diff options
Diffstat (limited to 'crypto/heimdal/appl/ftp')
41 files changed, 18026 insertions, 0 deletions
diff --git a/crypto/heimdal/appl/ftp/ChangeLog b/crypto/heimdal/appl/ftp/ChangeLog new file mode 100644 index 0000000..1a55c38 --- /dev/null +++ b/crypto/heimdal/appl/ftp/ChangeLog @@ -0,0 +1,414 @@ +2000-01-08 Assar Westerlund <assar@sics.se> + + * ftp/ftp.c (hookup): handle ai_canonname being set in any of the + addresses returnedby getaddrinfo. glibc apparently returns the + reverse lookup of every address in ai_canonname. + * ftp/ruserpass.c (guess_domain): dito + +1999-12-21 Assar Westerlund <assar@sics.se> + + * ftpd/ftpd.c: don't use sa_len as a parameter, it's defined on + Irix + +1999-12-21 Johan Danielsson <joda@pdc.kth.se> + + * ftpd/ftpd.c (dataconn): make sure from points to actual data + +1999-12-16 Assar Westerlund <assar@sics.se> + + * ftp/ruserpass.c (guess_domain): handle ai_canonname not being + set + * ftp/ftp.c (hookup): handle ai_canonname not being set + +1999-12-06 Assar Westerlund <assar@sics.se> + + * ftp/krb4.c (krb4_auth): the nat-IP address might not be realm + bounded. + +1999-12-05 Assar Westerlund <assar@sics.se> + + * ftpd/ftpd.c (dolog): update prototype + * ftpd/ftpd.c (dolog): use getnameinfo_verified + * ftpd/ftpd.c: replace inaddr2str by getnameinfo + +1999-12-04 Assar Westerlund <assar@sics.se> + + * ftp/ruserpass.c (guess_domain): re-write to use getaddrinfo + * ftp/ftp.c (hookup): re-write to use getaddrinfo + +1999-11-30 Assar Westerlund <assar@sics.se> + + * ftpd/ftpd.c (getdatasock): make sure to keep the port-number of + the outgoing connections. It has to be `ftp-data' or some people + might get upset. + + * ftpd/ftpd.c (args): set correct variable when `-l' so that + logging actually works + +1999-11-29 Assar Westerlund <assar@sics.se> + + * ftp/security.c (sec_login): check return value from realloc + (sec_end): set app_data to NULL + +1999-11-25 Assar Westerlund <assar@sics.se> + + * ftp/krb4.c (krb4_auth): obtain the `local' address when doing + NAT. also turn on passive mode. From <thn@stacken.kth.se> + +1999-11-20 Assar Westerlund <assar@sics.se> + + * ftpd/ls.c (make_fileinfo): cast to allow for non-const + prototypes of readlink + +1999-11-12 Assar Westerlund <assar@sics.se> + + * ftpd/ftpd.c (args): use arg_counter for `l' + +1999-11-04 Assar Westerlund <assar@sics.se> + + * ftpd/ls.c (S_ISSOCK, S_ISLNK): fallback definitions for systems + that don't have them (such as ultrix) + +1999-10-29 Assar Westerlund <assar@sics.se> + + * ftpd/ls.c (make_fileinfo): cast uid's and gid's to unsigned in + printf, we don't know what types they might be. + (lstat_file): conditionalize the kafs part on KRB4 + + * ftpd/ftpd_locl.h: <sys/ioccom.h> is needed for kafs.h + +1999-10-28 Assar Westerlund <assar@sics.se> + + * ftpd/ls.c (lstat_file): don't set st_mode, it should already be + correct + + * ftpd/ls.c: don't use warnx to print errors + + * ftpd/ls.c (builtin_ls): fix typo, 'd' shouldn't imply 'f' + + * ftpd/ls.c (lstat_file): new function for avoiding stating AFS + mount points. From Love <lha@s3.kth.se> + (list_files): use `lstat_file' + + * ftpd/ftpd.c: some const-poisoning + + * ftpd/ftpd.c (args): add `-B' as an alias for `--builtin-ls' to + allow for stupid inetds that only support two arguments. From + Love <lha@s3.kth.se> + +1999-10-26 Assar Westerlund <assar@sics.se> + + * ftpd/ftpcmd.y (help): it's unnecessary to interpret help strings + as printf commands + + * ftpd/ftpd.c (show_issue): don't interpret contents of + /etc/issue* as printf commands. From Brian A May + <bmay@dgs.monash.edu.au> + +1999-10-21 Johan Danielsson <joda@pdc.kth.se> + + * ftpd/kauth.c (kauth): complain if protection level isn't + `private' + + * ftp/krb4.c (krb4_decode): syslog failure reason + + * ftp/kauth.c (kauth): set private level earlier + + * ftp/security.c: get_command_prot; (sec_prot): partially match + `command' and `data' + +1999-10-18 Johan Danielsson <joda@pdc.kth.se> + + * ftpd/ftpd.c: change `-l' flag to use arg_collect (this makes + `-ll' work again) + + * ftpd/ftpd.c (list_file): pass filename to ls + +1999-10-04 Johan Danielsson <joda@pdc.kth.se> + + * ftpd/ftpcmd.y: FEAT + +1999-10-03 Assar Westerlund <assar@sics.se> + + * ftpd/ls.c: fall-back definitions for constans and casts for + printfs + +1999-10-03 Johan Danielsson <joda@pdc.kth.se> + + * ftpd/ftpd.c (main): make this use getarg; add `list_file' + + * ftpd/ftpcmd.y (LIST): call list_file + + * ftpd/ls.c: add simple built-in ls + + * ftp/security.c: add `sec_vfprintf2' and `sec_fprintf2' that + prints to the data stream + + * ftp/kauth.c (kauth): make sure we're using private protection + level + + * ftp/security.c (set_command_prot): set command protection level + + * ftp/security.c: make it possible to set the command protection + level with `prot' + +1999-09-30 Assar Westerlund <assar@sics.se> + + * ftpd/ftpd_locl.h: add prototype for fclose to make sunos happy + +1999-08-19 Johan Danielsson <joda@pdc.kth.se> + + * ftpd/ftpd.c (do_login): show issue-file + (send_data): change handling of zero-byte files + +1999-08-18 Assar Westerlund <assar@sics.se> + + * ftp/cmds.c (getit): be more suspicious when parsing the result + of MDTM. Do the comparison of timestamps correctly. + +1999-08-13 Assar Westerlund <assar@sics.se> + + * ftpd/ftpd.c (send_data): avoid calling mmap with `len == 0'. + Some mmap:s rather dislike that (Solaris) and some munmap (Linux) + get grumpy later. + + * ftp/ftp.c (copy_stream): avoid calling mmap with `len == 0'. + Some mmap:s rather dislike that (Solaris) and some munmap (Linux) + get grumpy later. + +1999-08-03 Assar Westerlund <assar@sics.se> + + * ftp/ftp.c (active_mode): hide failure of EPRT by setting verbose + + * ftp/gssapi.c (gss_auth): initialize application_data in bindings + +1999-08-02 Assar Westerlund <assar@sics.se> + + * ftpd/ftpcmd.y: save file names when doing commands that might + get aborted (and longjmp:ed out of) to avoid overwriting them also + remove extra closing brace + +1999-08-01 Johan Danielsson <joda@pdc.kth.se> + + * ftpd/ftpcmd.y: change `site find' to `site locate' (to match + what it does, and other implementations) keep find as an alias + +1999-07-28 Assar Westerlund <assar@sics.se> + + * common/socket.c: moved to roken + + * common/socket.c: new file with generic socket functions + + * ftpd/ftpd.c: make it more AF-neutral and v6-capable + + * ftpd/ftpcmd.y: add EPRT and EPSV + + * ftpd/extern.h: update prototypes and variables + + * ftp/krb4.c: update to new types of addresses + + * ftp/gssapi.c: add support for both AF_INET and AF_INET6 + addresses + + * ftp/ftp.c: make it more AF-neutral and v6-capable + + * ftp/extern.h (hookup): change prototype + + * common/common.h: add prototypes for functions in socket.c + + * common/Makefile.am (libcommon_a_SOURCES): add socket.c + + * ftp/gssapi.c (gss_auth): check return value from + `gss_import_name' and print error messages if it fails + +1999-06-15 Assar Westerlund <assar@sics.se> + + * ftp/krb4.c (krb4_auth): type correctness + +1999-06-02 Johan Danielsson <joda@pdc.kth.se> + + * ftp/ftp.c (sendrequest): lmode != rmode + +1999-05-21 Assar Westerlund <assar@sics.se> + + * ftp/extern.h (sendrequest): update prototype + + * ftp/cmds.c: update calls to sendrequest and recvrequest to send + "b" when appropriate + + * ftp/ftp.c (sendrequest): add argument for mode to open file in. + +1999-05-08 Assar Westerlund <assar@sics.se> + + * ftpd/ftpcmd.y: rename getline -> ftpd_getline + + * ftp/main.c (makeargv): fill in unused slots with NULL + +Thu Apr 8 15:06:40 1999 Johan Danielsson <joda@hella.pdc.kth.se> + + * ftpd/ftpd.c: remove definition of KRB_VERIFY_USER (moved to + config.h) + +Wed Apr 7 16:15:21 1999 Johan Danielsson <joda@hella.pdc.kth.se> + + * ftp/gssapi.c (gss_auth): call gss_display_status to get a sane + error message; return AUTH_{CONTINUE,ERROR}, where appropriate + + * ftp/krb4.c: return AUTH_{CONTINUE,ERROR}, where appropriate + + * ftp/security.c (sec_login): if mechanism returns AUTH_CONTINUE, + just continue with the next mechanism, this fixes the case of + having GSSAPI fail because of non-existant of expired tickets + + * ftp/security.h: add AUTH_{OK,CONTINUE,ERROR} + +Thu Apr 1 16:59:04 1999 Johan Danielsson <joda@hella.pdc.kth.se> + + * ftpd/Makefile.am: don't run check-local + + * ftp/Makefile.am: don't run check-local + +Mon Mar 22 22:15:18 1999 Assar Westerlund <assar@sics.se> + + * ftpd/ftpd.c (pass): fall-back for KRB_VERIFY_SECURE + + * ftpd/ftpd.c (pass): 1 -> KRB_VERIFY_SECURE + +Thu Mar 18 12:07:09 1999 Johan Danielsson <joda@hella.pdc.kth.se> + + * ftpd/Makefile.am: clean ftpcmd.c + + * ftpd/ftpd_locl.h: remove krb5.h (breaks in ftpcmd.y) + + * ftpd/ftpd.c: move include of krb5.h here + + * ftpd/Makefile.am: include Makefile.am.common + + * Makefile.am: include Makefile.am.common + + * ftp/Makefile.am: include Makefile.am.common + + * common/Makefile.am: include Makefile.am.common + +Tue Mar 16 22:28:37 1999 Assar Westerlund <assar@sics.se> + + * ftpd/ftpd_locl.h: add krb5.h to get heimdal_version + + * ftpd/ftpd.c: krb_verify_user_multiple -> krb_verify_user + +Thu Mar 11 14:54:59 1999 Johan Danielsson <joda@hella.pdc.kth.se> + + * ftp/Makefile.in: WFLAGS + + * ftp/ruserpass.c: add some if-braces + +Wed Mar 10 20:02:55 1999 Johan Danielsson <joda@hella.pdc.kth.se> + + * ftpd/ftpd_locl.h: remove ifdef HAVE_FNMATCH + +Mon Mar 8 21:29:24 1999 Johan Danielsson <joda@hella.pdc.kth.se> + + * ftpd/ftpd.c: re-add version in greeting message + +Mon Mar 1 10:49:38 1999 Johan Danielsson <joda@hella.pdc.kth.se> + + * ftpd/logwtmp.c: HAVE_UT_* -> HAVE_STRUCT_UTMP*_UT_* + +Mon Feb 22 19:20:51 1999 Johan Danielsson <joda@hella.pdc.kth.se> + + * common/Makefile.in: remove glob + +Sat Feb 13 17:19:35 1999 Assar Westerlund <assar@sics.se> + + * ftpd/ftpd.c (match): remove #ifdef HAVE_FNMATCH. We have a + fnmatch implementation in roken and therefore always have it. + + * ftp/ftp.c (copy_stream): initialize `werr' + +Wed Jan 13 23:52:57 1999 Assar Westerlund <assar@sics.se> + + * ftpd/ftpcmd.y: moved all check_login and check_login_no_guest to + the end of the rules to ensure we don't generate several + (independent) error messages. once again, having a yacc-grammar + for FTP with embedded actions doesn't strike me as the most + optimal way of doing it. + +Tue Dec 1 14:44:29 1998 Johan Danielsson <joda@hella.pdc.kth.se> + + * ftpd/Makefile.am: link with extra libs for aix + +Sun Nov 22 10:28:20 1998 Assar Westerlund <assar@sics.se> + + * ftpd/ftpd.c (retrying): support on-the-fly decompression + + * ftpd/Makefile.in (WFLAGS): set + + * ftp/ruserpass.c (guess_domain): new function + (ruserpass): use it + + * common/Makefile.in (WFLAGS): set + + * Makefile.in (WFLAGS): set + +Sat Nov 21 23:13:03 1998 Assar Westerlund <assar@sics.se> + + * ftp/security.c: some more type correctness. + + * ftp/gssapi.c (gss_adat): more braces to shut up warnings + +Wed Nov 18 21:47:55 1998 Assar Westerlund <assar@sics.se> + + * ftp/main.c (main): new option `-p' for enable passive mode. + +Mon Nov 2 01:57:49 1998 Assar Westerlund <assar@sics.se> + + * ftp/ftp.c (getreply): remove extra `break' + + * ftp/gssapi.c (gss_auth): fixo typo(copyo?) + + * ftp/security.c (sec_login): fix loop and return value + +Tue Sep 1 16:56:42 1998 Johan Danielsson <joda@emma.pdc.kth.se> + + * ftp/cmds.c (quote1): fix % quoting bug + +Fri Aug 14 17:10:06 1998 Johan Danielsson <joda@emma.pdc.kth.se> + + * ftp/krb4.c: krb_put_int -> KRB_PUT_INT + +Tue Jun 30 18:07:15 1998 Assar Westerlund <assar@sics.se> + + * ftp/security.c (auth): free `app_data' + (sec_end): only destroy if it was initialized + +Tue Jun 9 21:01:59 1998 Johan Danielsson <joda@emma.pdc.kth.se> + + * ftp/krb4.c: pass client address to krb_rd_req + +Sat May 16 00:02:07 1998 Assar Westerlund <assar@sics.se> + + * ftpd/Makefile.am: link with DBLIB + +Tue May 12 14:15:32 1998 Johan Danielsson <joda@emma.pdc.kth.se> + + * ftp/gssapi.c: Save client name for userok(). + + * ftpd/gss_userok.c: Userok for gssapi. + +Fri May 1 07:15:01 1998 Assar Westerlund <assar@sics.se> + + * ftp/ftp.c: unifdef -DHAVE_H_ERRNO + +Fri Mar 27 00:46:07 1998 Johan Danielsson <joda@emma.pdc.kth.se> + + * Make compile w/o krb4. + +Thu Mar 26 03:49:12 1998 Johan Danielsson <joda@emma.pdc.kth.se> + + * ftp/*, ftpd/*: Changes for new framework. + + * ftp/gssapi.c: GSS-API backend for the new security framework. + + * ftp/krb4.c: Updated for new framework. + + * ftp/security.{c,h}: New unified security framework. diff --git a/crypto/heimdal/appl/ftp/Makefile.am b/crypto/heimdal/appl/ftp/Makefile.am new file mode 100644 index 0000000..f8831a3 --- /dev/null +++ b/crypto/heimdal/appl/ftp/Makefile.am @@ -0,0 +1,5 @@ +# $Id: Makefile.am,v 1.5 1999/03/20 13:58:14 joda Exp $ + +include $(top_srcdir)/Makefile.am.common + +SUBDIRS = common ftp ftpd diff --git a/crypto/heimdal/appl/ftp/Makefile.in b/crypto/heimdal/appl/ftp/Makefile.in new file mode 100644 index 0000000..9c0d09d --- /dev/null +++ b/crypto/heimdal/appl/ftp/Makefile.in @@ -0,0 +1,598 @@ +# Makefile.in generated automatically by automake 1.4 from Makefile.am + +# Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +# $Id: Makefile.am,v 1.5 1999/03/20 13:58:14 joda Exp $ + + +# $Id: Makefile.am.common,v 1.3 1999/04/01 14:58:43 joda Exp $ + + +# $Id: Makefile.am.common,v 1.13 1999/11/01 03:19:58 assar Exp $ + + +SHELL = @SHELL@ + +srcdir = @srcdir@ +top_srcdir = @top_srcdir@ +VPATH = @srcdir@ +prefix = @prefix@ +exec_prefix = @exec_prefix@ + +bindir = @bindir@ +sbindir = @sbindir@ +libexecdir = @libexecdir@ +datadir = @datadir@ +sysconfdir = @sysconfdir@ +sharedstatedir = @sharedstatedir@ +localstatedir = @localstatedir@ +libdir = @libdir@ +infodir = @infodir@ +mandir = @mandir@ +includedir = @includedir@ +oldincludedir = /usr/include + +DESTDIR = + +pkgdatadir = $(datadir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ + +top_builddir = ../.. + +ACLOCAL = @ACLOCAL@ +AUTOCONF = @AUTOCONF@ +AUTOMAKE = @AUTOMAKE@ +AUTOHEADER = @AUTOHEADER@ + +INSTALL = @INSTALL@ +INSTALL_PROGRAM = @INSTALL_PROGRAM@ $(AM_INSTALL_PROGRAM_FLAGS) +INSTALL_DATA = @INSTALL_DATA@ +INSTALL_SCRIPT = @INSTALL_SCRIPT@ +transform = @program_transform_name@ + +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +host_alias = @host_alias@ +host_triplet = @host@ +AFS_EXTRA_LD = @AFS_EXTRA_LD@ +AIX_EXTRA_KAFS = @AIX_EXTRA_KAFS@ +AWK = @AWK@ +CANONICAL_HOST = @CANONICAL_HOST@ +CATMAN = @CATMAN@ +CATMANEXT = @CATMANEXT@ +CC = @CC@ +DBLIB = @DBLIB@ +EXEEXT = @EXEEXT@ +EXTRA_LIB45 = @EXTRA_LIB45@ +GROFF = @GROFF@ +INCLUDE_ = @INCLUDE_@ +LD = @LD@ +LEX = @LEX@ +LIBOBJS = @LIBOBJS@ +LIBTOOL = @LIBTOOL@ +LIB_ = @LIB_@ +LIB_AUTH_SUBDIRS = @LIB_AUTH_SUBDIRS@ +LIB_kdb = @LIB_kdb@ +LIB_otp = @LIB_otp@ +LIB_roken = @LIB_roken@ +LIB_security = @LIB_security@ +LN_S = @LN_S@ +LTLIBOBJS = @LTLIBOBJS@ +MAKEINFO = @MAKEINFO@ +MAKE_X_PROGS_BIN_PROGS = @MAKE_X_PROGS_BIN_PROGS@ +MAKE_X_PROGS_BIN_SCRPTS = @MAKE_X_PROGS_BIN_SCRPTS@ +MAKE_X_PROGS_LIBEXEC_PROGS = @MAKE_X_PROGS_LIBEXEC_PROGS@ +NEED_WRITEAUTH_FALSE = @NEED_WRITEAUTH_FALSE@ +NEED_WRITEAUTH_TRUE = @NEED_WRITEAUTH_TRUE@ +NM = @NM@ +NROFF = @NROFF@ +OBJEXT = @OBJEXT@ +PACKAGE = @PACKAGE@ +RANLIB = @RANLIB@ +VERSION = @VERSION@ +VOID_RETSIGTYPE = @VOID_RETSIGTYPE@ +WFLAGS = 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+LIB_socket = @LIB_socket@ +LIB_syslog = @LIB_syslog@ +LIB_tgetent = @LIB_tgetent@ + +HESIODLIB = @HESIODLIB@ +HESIODINCLUDE = @HESIODINCLUDE@ +INCLUDE_hesiod = @INCLUDE_hesiod@ +LIB_hesiod = @LIB_hesiod@ + +INCLUDE_krb4 = @INCLUDE_krb4@ +LIB_krb4 = @LIB_krb4@ + +INCLUDE_readline = @INCLUDE_readline@ + +LEXLIB = @LEXLIB@ + +cat1dir = $(mandir)/cat1 +cat3dir = $(mandir)/cat3 +cat5dir = $(mandir)/cat5 +cat8dir = $(mandir)/cat8 + +MANRX = \(.*\)\.\([0-9]\) +CATSUFFIX = @CATSUFFIX@ + +NROFF_MAN = groff -mandoc -Tascii + +@KRB4_TRUE@LIB_kafs = $(top_builddir)/lib/kafs/libkafs.la $(AIX_EXTRA_KAFS) + +@KRB5_TRUE@LIB_krb5 = $(top_builddir)/lib/krb5/libkrb5.la $(top_builddir)/lib/asn1/libasn1.la +@KRB5_TRUE@LIB_gssapi = $(top_builddir)/lib/gssapi/libgssapi.la + +CHECK_LOCAL = $(PROGRAMS) + +SUBDIRS = common ftp ftpd +mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs +CONFIG_HEADER = ../../include/config.h +CONFIG_CLEAN_FILES = +CFLAGS = @CFLAGS@ +COMPILE = $(CC) $(DEFS) $(INCLUDES) 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tests passed"; \ + else \ + banner="$$failed of $$all tests failed"; \ + fi; \ + dashes=`echo "$$banner" | sed s/./=/g`; \ + echo "$$dashes"; \ + echo "$$banner"; \ + echo "$$dashes"; \ + test "$$failed" -eq 0; \ + fi + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/crypto/heimdal/appl/ftp/common/buffer.c b/crypto/heimdal/appl/ftp/common/buffer.c new file mode 100644 index 0000000..0385d49 --- /dev/null +++ b/crypto/heimdal/appl/ftp/common/buffer.c @@ -0,0 +1,69 @@ +/* + * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "common.h" +#include <stdio.h> +#include <err.h> +#include "roken.h" + +RCSID("$Id: buffer.c,v 1.3 1999/12/02 16:58:29 joda Exp $"); + +/* + * Allocate a buffer enough to handle st->st_blksize, if + * there is such a field, otherwise BUFSIZ. + */ + +void * +alloc_buffer (void *oldbuf, size_t *sz, struct stat *st) +{ + size_t new_sz; + + new_sz = BUFSIZ; +#ifdef HAVE_ST_BLKSIZE + if (st) + new_sz = max(BUFSIZ, st->st_blksize); +#endif + if(new_sz > *sz) { + if (oldbuf) + free (oldbuf); + oldbuf = malloc (new_sz); + if (oldbuf == NULL) { + warn ("malloc"); + *sz = 0; + return NULL; + } + *sz = new_sz; + } + return oldbuf; +} + diff --git a/crypto/heimdal/appl/ftp/common/common.h b/crypto/heimdal/appl/ftp/common/common.h new file mode 100644 index 0000000..5949b25 --- /dev/null +++ b/crypto/heimdal/appl/ftp/common/common.h @@ -0,0 +1,60 @@ +/* + * Copyright (c) 1995, 1996, 1997, 1998, 1999 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* $Id: common.h,v 1.12 1999/12/02 16:58:29 joda Exp $ */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#ifndef __COMMON_H__ +#define __COMMON_H__ + +#include "base64.h" + +void set_buffer_size(int, int); + +#include <stdlib.h> +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_STAT_H +#include <sys/stat.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif + +void *alloc_buffer (void *oldbuf, size_t *sz, struct stat *st); + +#endif /* __COMMON_H__ */ diff --git a/crypto/heimdal/appl/ftp/common/sockbuf.c b/crypto/heimdal/appl/ftp/common/sockbuf.c new file mode 100644 index 0000000..460cc6f --- /dev/null +++ b/crypto/heimdal/appl/ftp/common/sockbuf.c @@ -0,0 +1,56 @@ +/* + * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "common.h" +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif + +RCSID("$Id: sockbuf.c,v 1.3 1999/12/02 16:58:29 joda Exp $"); + +void +set_buffer_size(int fd, int read) +{ +#if defined(SO_RCVBUF) && defined(SO_SNDBUF) && defined(HAVE_SETSOCKOPT) + size_t size = 4194304; + while(size >= 131072 && + setsockopt(fd, SOL_SOCKET, read ? SO_RCVBUF : SO_SNDBUF, + (void *)&size, sizeof(size)) < 0) + size /= 2; +#endif +} + + diff --git a/crypto/heimdal/appl/ftp/ftp/Makefile.am b/crypto/heimdal/appl/ftp/ftp/Makefile.am new file mode 100644 index 0000000..e24025c --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftp/Makefile.am @@ -0,0 +1,46 @@ +# $Id: Makefile.am,v 1.13 2000/01/06 15:11:43 assar Exp $ + +include $(top_srcdir)/Makefile.am.common + +INCLUDES += -I$(srcdir)/../common $(INCLUDE_readline) $(INCLUDE_krb4) + +bin_PROGRAMS = ftp + +CHECK_LOCAL = + +if KRB4 +krb4_sources = krb4.c kauth.c +endif +if KRB5 +krb5_sources = gssapi.c +endif + +ftp_SOURCES = \ + cmds.c \ + cmdtab.c \ + extern.h \ + ftp.c \ + ftp_locl.h \ + ftp_var.h \ + main.c \ + pathnames.h \ + ruserpass.c \ + domacro.c \ + globals.c \ + security.c \ + security.h \ + $(krb4_sources) \ + $(krb5_sources) + +EXTRA_ftp_SOURCES = krb4.c kauth.c gssapi.c + +man_MANS = ftp.1 + +LDADD = \ + ../common/libcommon.a \ + $(LIB_gssapi) \ + $(LIB_krb5) \ + $(LIB_krb4) \ + $(top_builddir)/lib/des/libdes.la \ + $(LIB_roken) \ + $(LIB_readline) diff --git a/crypto/heimdal/appl/ftp/ftp/Makefile.in b/crypto/heimdal/appl/ftp/ftp/Makefile.in new file mode 100644 index 0000000..6f8603d --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftp/Makefile.in @@ -0,0 +1,702 @@ +# Makefile.in generated automatically by automake 1.4 from Makefile.am + +# Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +# $Id: Makefile.am,v 1.13 2000/01/06 15:11:43 assar Exp $ + + +# $Id: Makefile.am.common,v 1.3 1999/04/01 14:58:43 joda Exp $ + + +# $Id: Makefile.am.common,v 1.13 1999/11/01 03:19:58 assar Exp $ + + +SHELL = @SHELL@ + +srcdir = @srcdir@ +top_srcdir = @top_srcdir@ +VPATH = @srcdir@ +prefix = @prefix@ +exec_prefix = @exec_prefix@ + +bindir = @bindir@ +sbindir = @sbindir@ +libexecdir = @libexecdir@ +datadir = @datadir@ +sysconfdir = @sysconfdir@ +sharedstatedir = @sharedstatedir@ +localstatedir = @localstatedir@ +libdir = @libdir@ +infodir = @infodir@ +mandir = @mandir@ +includedir = @includedir@ +oldincludedir = /usr/include + +DESTDIR = + +pkgdatadir = $(datadir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ + +top_builddir = ../../.. + +ACLOCAL = @ACLOCAL@ +AUTOCONF = @AUTOCONF@ +AUTOMAKE = @AUTOMAKE@ +AUTOHEADER = @AUTOHEADER@ + +INSTALL = @INSTALL@ +INSTALL_PROGRAM = @INSTALL_PROGRAM@ $(AM_INSTALL_PROGRAM_FLAGS) +INSTALL_DATA = @INSTALL_DATA@ +INSTALL_SCRIPT = @INSTALL_SCRIPT@ +transform = @program_transform_name@ + +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : 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All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * FTP User Program -- Command Routines. + */ + +#include "ftp_locl.h" +RCSID("$Id: cmds.c,v 1.36 1999/09/16 20:37:28 assar Exp $"); + +typedef void (*sighand)(int); + +jmp_buf jabort; +char *mname; +char *home = "/"; + +/* + * `Another' gets another argument, and stores the new argc and argv. + * It reverts to the top level (via main.c's intr()) on EOF/error. + * + * Returns false if no new arguments have been added. + */ +int +another(int *pargc, char ***pargv, char *prompt) +{ + int len = strlen(line), ret; + + if (len >= sizeof(line) - 3) { + printf("sorry, arguments too long\n"); + intr(0); + } + printf("(%s) ", prompt); + line[len++] = ' '; + if (fgets(&line[len], sizeof(line) - len, stdin) == NULL) + intr(0); + len += strlen(&line[len]); + if (len > 0 && line[len - 1] == '\n') + line[len - 1] = '\0'; + makeargv(); + ret = margc > *pargc; + *pargc = margc; + *pargv = margv; + return (ret); +} + +/* + * Connect to peer server and + * auto-login, if possible. + */ +void +setpeer(int argc, char **argv) +{ + char *host; + short port; + struct servent *sp; + + if (connected) { + printf("Already connected to %s, use close first.\n", + hostname); + code = -1; + return; + } + if (argc < 2) + another(&argc, &argv, "to"); + if (argc < 2 || argc > 3) { + printf("usage: %s host-name [port]\n", argv[0]); + code = -1; + return; + } + sp = getservbyname("ftp", "tcp"); + if (sp == NULL) + errx(1, "You bastard. You removed ftp/tcp from services"); + port = sp->s_port; + if (argc > 2) { + port = atoi(argv[2]); + if (port <= 0) { + printf("%s: bad port number-- %s\n", argv[1], argv[2]); + printf ("usage: %s host-name [port]\n", argv[0]); + code = -1; + return; + } + port = htons(port); + } + host = hookup(argv[1], port); + if (host) { + int overbose; + + connected = 1; + /* + * Set up defaults for FTP. + */ + strlcpy(typename, "ascii", sizeof(typename)); + type = TYPE_A; + curtype = TYPE_A; + strlcpy(formname, "non-print", sizeof(formname)); + form = FORM_N; + strlcpy(modename, "stream", sizeof(modename)); + mode = MODE_S; + strlcpy(structname, "file", sizeof(structname)); + stru = STRU_F; + strlcpy(bytename, "8", sizeof(bytename)); + bytesize = 8; + if (autologin) + login(argv[1]); + +#if (defined(unix) || defined(__unix__) || defined(__unix) || defined(_AIX) || defined(_CRAY)) && NBBY == 8 +/* + * this ifdef is to keep someone form "porting" this to an incompatible + * system and not checking this out. This way they have to think about it. + */ + overbose = verbose; + if (debug == 0) + verbose = -1; + if (command("SYST") == COMPLETE && overbose) { + char *cp, c; + cp = strchr(reply_string+4, ' '); + if (cp == NULL) + cp = strchr(reply_string+4, '\r'); + if (cp) { + if (cp[-1] == '.') + cp--; + c = *cp; + *cp = '\0'; + } + + printf("Remote system type is %s.\n", + reply_string+4); + if (cp) + *cp = c; + } + if (!strncmp(reply_string, "215 UNIX Type: L8", 17)) { + if (proxy) + unix_proxy = 1; + else + unix_server = 1; + /* + * Set type to 0 (not specified by user), + * meaning binary by default, but don't bother + * telling server. We can use binary + * for text files unless changed by the user. + */ + type = 0; + strlcpy(typename, "binary", sizeof(typename)); + if (overbose) + printf("Using %s mode to transfer files.\n", + typename); + } else { + if (proxy) + unix_proxy = 0; + else + unix_server = 0; + if (overbose && + !strncmp(reply_string, "215 TOPS20", 10)) + printf( +"Remember to set tenex mode when transfering binary files from this machine.\n"); + } + verbose = overbose; +#endif /* unix */ + } +} + +struct types { + char *t_name; + char *t_mode; + int t_type; + char *t_arg; +} types[] = { + { "ascii", "A", TYPE_A, 0 }, + { "binary", "I", TYPE_I, 0 }, + { "image", "I", TYPE_I, 0 }, + { "ebcdic", "E", TYPE_E, 0 }, + { "tenex", "L", TYPE_L, bytename }, + { NULL } +}; + +/* + * Set transfer type. + */ +void +settype(int argc, char **argv) +{ + struct types *p; + int comret; + + if (argc > 2) { + char *sep; + + printf("usage: %s [", argv[0]); + sep = " "; + for (p = types; p->t_name; p++) { + printf("%s%s", sep, p->t_name); + sep = " | "; + } + printf(" ]\n"); + code = -1; + return; + } + if (argc < 2) { + printf("Using %s mode to transfer files.\n", typename); + code = 0; + return; + } + for (p = types; p->t_name; p++) + if (strcmp(argv[1], p->t_name) == 0) + break; + if (p->t_name == 0) { + printf("%s: unknown mode\n", argv[1]); + code = -1; + return; + } + if ((p->t_arg != NULL) && (*(p->t_arg) != '\0')) + comret = command ("TYPE %s %s", p->t_mode, p->t_arg); + else + comret = command("TYPE %s", p->t_mode); + if (comret == COMPLETE) { + strlcpy(typename, p->t_name, sizeof(typename)); + curtype = type = p->t_type; + } +} + +/* + * Internal form of settype; changes current type in use with server + * without changing our notion of the type for data transfers. + * Used to change to and from ascii for listings. + */ +void +changetype(int newtype, int show) +{ + struct types *p; + int comret, oldverbose = verbose; + + if (newtype == 0) + newtype = TYPE_I; + if (newtype == curtype) + return; + if (debug == 0 && show == 0) + verbose = 0; + for (p = types; p->t_name; p++) + if (newtype == p->t_type) + break; + if (p->t_name == 0) { + printf("ftp: internal error: unknown type %d\n", newtype); + return; + } + if (newtype == TYPE_L && bytename[0] != '\0') + comret = command("TYPE %s %s", p->t_mode, bytename); + else + comret = command("TYPE %s", p->t_mode); + if (comret == COMPLETE) + curtype = newtype; + verbose = oldverbose; +} + +char *stype[] = { + "type", + "", + 0 +}; + +/* + * Set binary transfer type. + */ +/*VARARGS*/ +void +setbinary(int argc, char **argv) +{ + + stype[1] = "binary"; + settype(2, stype); +} + +/* + * Set ascii transfer type. + */ +/*VARARGS*/ +void +setascii(int argc, char **argv) +{ + + stype[1] = "ascii"; + settype(2, stype); +} + +/* + * Set tenex transfer type. + */ +/*VARARGS*/ +void +settenex(int argc, char **argv) +{ + + stype[1] = "tenex"; + settype(2, stype); +} + +/* + * Set file transfer mode. + */ +/*ARGSUSED*/ +void +setftmode(int argc, char **argv) +{ + + printf("We only support %s mode, sorry.\n", modename); + code = -1; +} + +/* + * Set file transfer format. + */ +/*ARGSUSED*/ +void +setform(int argc, char **argv) +{ + + printf("We only support %s format, sorry.\n", formname); + code = -1; +} + +/* + * Set file transfer structure. + */ +/*ARGSUSED*/ +void +setstruct(int argc, char **argv) +{ + + printf("We only support %s structure, sorry.\n", structname); + code = -1; +} + +/* + * Send a single file. + */ +void +put(int argc, char **argv) +{ + char *cmd; + int loc = 0; + char *oldargv1, *oldargv2; + + if (argc == 2) { + argc++; + argv[2] = argv[1]; + loc++; + } + if (argc < 2 && !another(&argc, &argv, "local-file")) + goto usage; + if (argc < 3 && !another(&argc, &argv, "remote-file")) { +usage: + printf("usage: %s local-file remote-file\n", argv[0]); + code = -1; + return; + } + oldargv1 = argv[1]; + oldargv2 = argv[2]; + if (!globulize(&argv[1])) { + code = -1; + return; + } + /* + * If "globulize" modifies argv[1], and argv[2] is a copy of + * the old argv[1], make it a copy of the new argv[1]. + */ + if (argv[1] != oldargv1 && argv[2] == oldargv1) { + argv[2] = argv[1]; + } + cmd = (argv[0][0] == 'a') ? "APPE" : ((sunique) ? "STOU" : "STOR"); + if (loc && ntflag) { + argv[2] = dotrans(argv[2]); + } + if (loc && mapflag) { + argv[2] = domap(argv[2]); + } + sendrequest(cmd, argv[1], argv[2], + curtype == TYPE_I ? "rb" : "r", + argv[1] != oldargv1 || argv[2] != oldargv2); +} + +/* ARGSUSED */ +static RETSIGTYPE +mabort(int signo) +{ + int ointer; + + printf("\n"); + fflush(stdout); + if (mflag && fromatty) { + ointer = interactive; + interactive = 1; + if (confirm("Continue with", mname)) { + interactive = ointer; + longjmp(jabort,0); + } + interactive = ointer; + } + mflag = 0; + longjmp(jabort,0); +} + +/* + * Send multiple files. + */ +void +mput(int argc, char **argv) +{ + int i; + RETSIGTYPE (*oldintr)(); + int ointer; + char *tp; + + if (argc < 2 && !another(&argc, &argv, "local-files")) { + printf("usage: %s local-files\n", argv[0]); + code = -1; + return; + } + mname = argv[0]; + mflag = 1; + oldintr = signal(SIGINT, mabort); + setjmp(jabort); + if (proxy) { + char *cp, *tp2, tmpbuf[MaxPathLen]; + + while ((cp = remglob(argv,0)) != NULL) { + if (*cp == 0) { + mflag = 0; + continue; + } + if (mflag && confirm(argv[0], cp)) { + tp = cp; + if (mcase) { + while (*tp && !islower(*tp)) { + tp++; + } + if (!*tp) { + tp = cp; + tp2 = tmpbuf; + while ((*tp2 = *tp) != '\0') { + if (isupper(*tp2)) { + *tp2 = 'a' + *tp2 - 'A'; + } + tp++; + tp2++; + } + } + tp = tmpbuf; + } + if (ntflag) { + tp = dotrans(tp); + } + if (mapflag) { + tp = domap(tp); + } + sendrequest((sunique) ? "STOU" : "STOR", + cp, tp, + curtype == TYPE_I ? "rb" : "r", + cp != tp || !interactive); + if (!mflag && fromatty) { + ointer = interactive; + interactive = 1; + if (confirm("Continue with","mput")) { + mflag++; + } + interactive = ointer; + } + } + } + signal(SIGINT, oldintr); + mflag = 0; + return; + } + for (i = 1; i < argc; i++) { + char **cpp; + glob_t gl; + int flags; + + if (!doglob) { + if (mflag && confirm(argv[0], argv[i])) { + tp = (ntflag) ? dotrans(argv[i]) : argv[i]; + tp = (mapflag) ? domap(tp) : tp; + sendrequest((sunique) ? "STOU" : "STOR", + argv[i], + curtype == TYPE_I ? "rb" : "r", + tp, tp != argv[i] || !interactive); + if (!mflag && fromatty) { + ointer = interactive; + interactive = 1; + if (confirm("Continue with","mput")) { + mflag++; + } + interactive = ointer; + } + } + continue; + } + + memset(&gl, 0, sizeof(gl)); + flags = GLOB_BRACE|GLOB_NOCHECK|GLOB_QUOTE|GLOB_TILDE; + if (glob(argv[i], flags, NULL, &gl) || gl.gl_pathc == 0) { + warnx("%s: not found", argv[i]); + globfree(&gl); + continue; + } + for (cpp = gl.gl_pathv; cpp && *cpp != NULL; cpp++) { + if (mflag && confirm(argv[0], *cpp)) { + tp = (ntflag) ? dotrans(*cpp) : *cpp; + tp = (mapflag) ? domap(tp) : tp; + sendrequest((sunique) ? "STOU" : "STOR", + *cpp, tp, + curtype == TYPE_I ? "rb" : "r", + *cpp != tp || !interactive); + if (!mflag && fromatty) { + ointer = interactive; + interactive = 1; + if (confirm("Continue with","mput")) { + mflag++; + } + interactive = ointer; + } + } + } + globfree(&gl); + } + signal(SIGINT, oldintr); + mflag = 0; +} + +void +reget(int argc, char **argv) +{ + getit(argc, argv, 1, curtype == TYPE_I ? "r+wb" : "r+w"); +} + +void +get(int argc, char **argv) +{ + char *mode; + + if (restart_point) + if (curtype == TYPE_I) + mode = "r+wb"; + else + mode = "r+w"; + else + if (curtype == TYPE_I) + mode = "wb"; + else + mode = "w"; + + getit(argc, argv, 0, mode); +} + +/* + * Receive one file. + */ +int +getit(int argc, char **argv, int restartit, char *mode) +{ + int loc = 0; + int local_given = 1; + char *oldargv1, *oldargv2; + + if (argc == 2) { + argc++; + local_given = 0; + argv[2] = argv[1]; + loc++; + } + if ((argc < 2 && !another(&argc, &argv, "remote-file")) || + (argc < 3 && !another(&argc, &argv, "local-file"))) { + printf("usage: %s remote-file [ local-file ]\n", argv[0]); + code = -1; + return (0); + } + oldargv1 = argv[1]; + oldargv2 = argv[2]; + if (!globulize(&argv[2])) { + code = -1; + return (0); + } + if (loc && mcase) { + char *tp = argv[1], *tp2, tmpbuf[MaxPathLen]; + + while (*tp && !islower(*tp)) { + tp++; + } + if (!*tp) { + tp = argv[2]; + tp2 = tmpbuf; + while ((*tp2 = *tp) != '\0') { + if (isupper(*tp2)) { + *tp2 = 'a' + *tp2 - 'A'; + } + tp++; + tp2++; + } + argv[2] = tmpbuf; + } + } + if (loc && ntflag) + argv[2] = dotrans(argv[2]); + if (loc && mapflag) + argv[2] = domap(argv[2]); + if (restartit) { + struct stat stbuf; + int ret; + + ret = stat(argv[2], &stbuf); + if (restartit == 1) { + if (ret < 0) { + warn("local: %s", argv[2]); + return (0); + } + restart_point = stbuf.st_size; + } else if (ret == 0) { + int overbose; + int cmdret; + int yy, mo, day, hour, min, sec; + struct tm *tm; + + overbose = verbose; + if (debug == 0) + verbose = -1; + cmdret = command("MDTM %s", argv[1]); + verbose = overbose; + if (cmdret != COMPLETE) { + printf("%s\n", reply_string); + return (0); + } + if (sscanf(reply_string, + "%*s %04d%02d%02d%02d%02d%02d", + &yy, &mo, &day, &hour, &min, &sec) + != 6) { + printf ("bad MDTM result\n"); + return (0); + } + + tm = gmtime(&stbuf.st_mtime); + tm->tm_mon++; + tm->tm_year += 1900; + + if ((tm->tm_year > yy) || + (tm->tm_year == yy && + tm->tm_mon > mo) || + (tm->tm_mon == mo && + tm->tm_mday > day) || + (tm->tm_mday == day && + tm->tm_hour > hour) || + (tm->tm_hour == hour && + tm->tm_min > min) || + (tm->tm_min == min && + tm->tm_sec > sec)) + return (1); + } + } + + recvrequest("RETR", argv[2], argv[1], mode, + argv[1] != oldargv1 || argv[2] != oldargv2, local_given); + restart_point = 0; + return (0); +} + +static int +suspicious_filename(const char *fn) +{ + return strstr(fn, "../") != NULL || *fn == '/'; +} + +/* + * Get multiple files. + */ +void +mget(int argc, char **argv) +{ + sighand oldintr; + int ch, ointer; + char *cp, *tp, *tp2, tmpbuf[MaxPathLen]; + + if (argc < 2 && !another(&argc, &argv, "remote-files")) { + printf("usage: %s remote-files\n", argv[0]); + code = -1; + return; + } + mname = argv[0]; + mflag = 1; + oldintr = signal(SIGINT, mabort); + setjmp(jabort); + while ((cp = remglob(argv,proxy)) != NULL) { + if (*cp == '\0') { + mflag = 0; + continue; + } + if (mflag && suspicious_filename(cp)) + printf("*** Suspicious filename: %s\n", cp); + if (mflag && confirm(argv[0], cp)) { + tp = cp; + if (mcase) { + for (tp2 = tmpbuf; (ch = *tp++);) + *tp2++ = isupper(ch) ? tolower(ch) : ch; + *tp2 = '\0'; + tp = tmpbuf; + } + if (ntflag) { + tp = dotrans(tp); + } + if (mapflag) { + tp = domap(tp); + } + recvrequest("RETR", tp, cp, + curtype == TYPE_I ? "wb" : "w", + tp != cp || !interactive, 0); + if (!mflag && fromatty) { + ointer = interactive; + interactive = 1; + if (confirm("Continue with","mget")) { + mflag++; + } + interactive = ointer; + } + } + } + signal(SIGINT,oldintr); + mflag = 0; +} + +char * +remglob(char **argv, int doswitch) +{ + char temp[16]; + static char buf[MaxPathLen]; + static FILE *ftemp = NULL; + static char **args; + int oldverbose, oldhash; + char *cp, *mode; + + if (!mflag) { + if (!doglob) { + args = NULL; + } + else { + if (ftemp) { + fclose(ftemp); + ftemp = NULL; + } + } + return (NULL); + } + if (!doglob) { + if (args == NULL) + args = argv; + if ((cp = *++args) == NULL) + args = NULL; + return (cp); + } + if (ftemp == NULL) { + int fd; + strlcpy(temp, _PATH_TMP_XXX, sizeof(temp)); + fd = mkstemp(temp); + if(fd < 0){ + warn("unable to create temporary file %s", temp); + return NULL; + } + close(fd); + oldverbose = verbose, verbose = 0; + oldhash = hash, hash = 0; + if (doswitch) { + pswitch(!proxy); + } + for (mode = "w"; *++argv != NULL; mode = "a") + recvrequest ("NLST", temp, *argv, mode, 0, 0); + if (doswitch) { + pswitch(!proxy); + } + verbose = oldverbose; hash = oldhash; + ftemp = fopen(temp, "r"); + unlink(temp); + if (ftemp == NULL) { + printf("can't find list of remote files, oops\n"); + return (NULL); + } + } + while(fgets(buf, sizeof (buf), ftemp)) { + if ((cp = strchr(buf, '\n')) != NULL) + *cp = '\0'; + if(!interactive && suspicious_filename(buf)){ + printf("Ignoring remote globbed file `%s'\n", buf); + continue; + } + return buf; + } + fclose(ftemp); + ftemp = NULL; + return (NULL); +} + +char * +onoff(int bool) +{ + + return (bool ? "on" : "off"); +} + +/* + * Show status. + */ +/*ARGSUSED*/ +void +status(int argc, char **argv) +{ + int i; + + if (connected) + printf("Connected to %s.\n", hostname); + else + printf("Not connected.\n"); + if (!proxy) { + pswitch(1); + if (connected) { + printf("Connected for proxy commands to %s.\n", hostname); + } + else { + printf("No proxy connection.\n"); + } + pswitch(0); + } + sec_status(); + printf("Mode: %s; Type: %s; Form: %s; Structure: %s\n", + modename, typename, formname, structname); + printf("Verbose: %s; Bell: %s; Prompting: %s; Globbing: %s\n", + onoff(verbose), onoff(bell), onoff(interactive), + onoff(doglob)); + printf("Store unique: %s; Receive unique: %s\n", onoff(sunique), + onoff(runique)); + printf("Case: %s; CR stripping: %s\n",onoff(mcase),onoff(crflag)); + if (ntflag) { + printf("Ntrans: (in) %s (out) %s\n", ntin,ntout); + } + else { + printf("Ntrans: off\n"); + } + if (mapflag) { + printf("Nmap: (in) %s (out) %s\n", mapin, mapout); + } + else { + printf("Nmap: off\n"); + } + printf("Hash mark printing: %s; Use of PORT cmds: %s\n", + onoff(hash), onoff(sendport)); + if (macnum > 0) { + printf("Macros:\n"); + for (i=0; i<macnum; i++) { + printf("\t%s\n",macros[i].mac_name); + } + } + code = 0; +} + +/* + * Set beep on cmd completed mode. + */ +/*VARARGS*/ +void +setbell(int argc, char **argv) +{ + + bell = !bell; + printf("Bell mode %s.\n", onoff(bell)); + code = bell; +} + +/* + * Turn on packet tracing. + */ +/*VARARGS*/ +void +settrace(int argc, char **argv) +{ + + trace = !trace; + printf("Packet tracing %s.\n", onoff(trace)); + code = trace; +} + +/* + * Toggle hash mark printing during transfers. + */ +/*VARARGS*/ +void +sethash(int argc, char **argv) +{ + + hash = !hash; + printf("Hash mark printing %s", onoff(hash)); + code = hash; + if (hash) + printf(" (%d bytes/hash mark)", 1024); + printf(".\n"); +} + +/* + * Turn on printing of server echo's. + */ +/*VARARGS*/ +void +setverbose(int argc, char **argv) +{ + + verbose = !verbose; + printf("Verbose mode %s.\n", onoff(verbose)); + code = verbose; +} + +/* + * Toggle PORT cmd use before each data connection. + */ +/*VARARGS*/ +void +setport(int argc, char **argv) +{ + + sendport = !sendport; + printf("Use of PORT cmds %s.\n", onoff(sendport)); + code = sendport; +} + +/* + * Turn on interactive prompting + * during mget, mput, and mdelete. + */ +/*VARARGS*/ +void +setprompt(int argc, char **argv) +{ + + interactive = !interactive; + printf("Interactive mode %s.\n", onoff(interactive)); + code = interactive; +} + +/* + * Toggle metacharacter interpretation + * on local file names. + */ +/*VARARGS*/ +void +setglob(int argc, char **argv) +{ + + doglob = !doglob; + printf("Globbing %s.\n", onoff(doglob)); + code = doglob; +} + +/* + * Set debugging mode on/off and/or + * set level of debugging. + */ +/*VARARGS*/ +void +setdebug(int argc, char **argv) +{ + int val; + + if (argc > 1) { + val = atoi(argv[1]); + if (val < 0) { + printf("%s: bad debugging value.\n", argv[1]); + code = -1; + return; + } + } else + val = !debug; + debug = val; + if (debug) + options |= SO_DEBUG; + else + options &= ~SO_DEBUG; + printf("Debugging %s (debug=%d).\n", onoff(debug), debug); + code = debug > 0; +} + +/* + * Set current working directory + * on remote machine. + */ +void +cd(int argc, char **argv) +{ + + if (argc < 2 && !another(&argc, &argv, "remote-directory")) { + printf("usage: %s remote-directory\n", argv[0]); + code = -1; + return; + } + if (command("CWD %s", argv[1]) == ERROR && code == 500) { + if (verbose) + printf("CWD command not recognized, trying XCWD\n"); + command("XCWD %s", argv[1]); + } +} + +/* + * Set current working directory + * on local machine. + */ +void +lcd(int argc, char **argv) +{ + char buf[MaxPathLen]; + + if (argc < 2) + argc++, argv[1] = home; + if (argc != 2) { + printf("usage: %s local-directory\n", argv[0]); + code = -1; + return; + } + if (!globulize(&argv[1])) { + code = -1; + return; + } + if (chdir(argv[1]) < 0) { + warn("local: %s", argv[1]); + code = -1; + return; + } + if (getcwd(buf, sizeof(buf)) != NULL) + printf("Local directory now %s\n", buf); + else + warnx("getwd: %s", buf); + code = 0; +} + +/* + * Delete a single file. + */ +void +delete(int argc, char **argv) +{ + + if (argc < 2 && !another(&argc, &argv, "remote-file")) { + printf("usage: %s remote-file\n", argv[0]); + code = -1; + return; + } + command("DELE %s", argv[1]); +} + +/* + * Delete multiple files. + */ +void +mdelete(int argc, char **argv) +{ + sighand oldintr; + int ointer; + char *cp; + + if (argc < 2 && !another(&argc, &argv, "remote-files")) { + printf("usage: %s remote-files\n", argv[0]); + code = -1; + return; + } + mname = argv[0]; + mflag = 1; + oldintr = signal(SIGINT, mabort); + setjmp(jabort); + while ((cp = remglob(argv,0)) != NULL) { + if (*cp == '\0') { + mflag = 0; + continue; + } + if (mflag && confirm(argv[0], cp)) { + command("DELE %s", cp); + if (!mflag && fromatty) { + ointer = interactive; + interactive = 1; + if (confirm("Continue with", "mdelete")) { + mflag++; + } + interactive = ointer; + } + } + } + signal(SIGINT, oldintr); + mflag = 0; +} + +/* + * Rename a remote file. + */ +void +renamefile(int argc, char **argv) +{ + + if (argc < 2 && !another(&argc, &argv, "from-name")) + goto usage; + if (argc < 3 && !another(&argc, &argv, "to-name")) { +usage: + printf("%s from-name to-name\n", argv[0]); + code = -1; + return; + } + if (command("RNFR %s", argv[1]) == CONTINUE) + command("RNTO %s", argv[2]); +} + +/* + * Get a directory listing + * of remote files. + */ +void +ls(int argc, char **argv) +{ + char *cmd; + + if (argc < 2) + argc++, argv[1] = NULL; + if (argc < 3) + argc++, argv[2] = "-"; + if (argc > 3) { + printf("usage: %s remote-directory local-file\n", argv[0]); + code = -1; + return; + } + cmd = argv[0][0] == 'n' ? "NLST" : "LIST"; + if (strcmp(argv[2], "-") && !globulize(&argv[2])) { + code = -1; + return; + } + if (strcmp(argv[2], "-") && *argv[2] != '|') + if (!globulize(&argv[2]) || !confirm("output to local-file:", + argv[2])) { + code = -1; + return; + } + recvrequest(cmd, argv[2], argv[1], "w", 0, 1); +} + +/* + * Get a directory listing + * of multiple remote files. + */ +void +mls(int argc, char **argv) +{ + sighand oldintr; + int ointer, i; + char *cmd, mode[1], *dest; + + if (argc < 2 && !another(&argc, &argv, "remote-files")) + goto usage; + if (argc < 3 && !another(&argc, &argv, "local-file")) { +usage: + printf("usage: %s remote-files local-file\n", argv[0]); + code = -1; + return; + } + dest = argv[argc - 1]; + argv[argc - 1] = NULL; + if (strcmp(dest, "-") && *dest != '|') + if (!globulize(&dest) || + !confirm("output to local-file:", dest)) { + code = -1; + return; + } + cmd = argv[0][1] == 'l' ? "NLST" : "LIST"; + mname = argv[0]; + mflag = 1; + oldintr = signal(SIGINT, mabort); + setjmp(jabort); + for (i = 1; mflag && i < argc-1; ++i) { + *mode = (i == 1) ? 'w' : 'a'; + recvrequest(cmd, dest, argv[i], mode, 0, 1); + if (!mflag && fromatty) { + ointer = interactive; + interactive = 1; + if (confirm("Continue with", argv[0])) { + mflag ++; + } + interactive = ointer; + } + } + signal(SIGINT, oldintr); + mflag = 0; +} + +/* + * Do a shell escape + */ +/*ARGSUSED*/ +void +shell(int argc, char **argv) +{ + pid_t pid; + RETSIGTYPE (*old1)(), (*old2)(); + char shellnam[40], *shell, *namep; + int status; + + old1 = signal (SIGINT, SIG_IGN); + old2 = signal (SIGQUIT, SIG_IGN); + if ((pid = fork()) == 0) { + for (pid = 3; pid < 20; pid++) + close(pid); + signal(SIGINT, SIG_DFL); + signal(SIGQUIT, SIG_DFL); + shell = getenv("SHELL"); + if (shell == NULL) + shell = _PATH_BSHELL; + namep = strrchr(shell,'/'); + if (namep == NULL) + namep = shell; + snprintf (shellnam, sizeof(shellnam), + "-%s", ++namep); + if (strcmp(namep, "sh") != 0) + shellnam[0] = '+'; + if (debug) { + printf ("%s\n", shell); + fflush (stdout); + } + if (argc > 1) { + execl(shell,shellnam,"-c",altarg,(char *)0); + } + else { + execl(shell,shellnam,(char *)0); + } + warn("%s", shell); + code = -1; + exit(1); + } + if (pid > 0) + while (waitpid(-1, &status, 0) != pid) + ; + signal(SIGINT, old1); + signal(SIGQUIT, old2); + if (pid == -1) { + warn("%s", "Try again later"); + code = -1; + } + else { + code = 0; + } +} + +/* + * Send new user information (re-login) + */ +void +user(int argc, char **argv) +{ + char acct[80]; + int n, aflag = 0; + char tmp[256]; + + if (argc < 2) + another(&argc, &argv, "username"); + if (argc < 2 || argc > 4) { + printf("usage: %s username [password] [account]\n", argv[0]); + code = -1; + return; + } + n = command("USER %s", argv[1]); + if (n == CONTINUE) { + if (argc < 3 ) { + des_read_pw_string (tmp, + sizeof(tmp), + "Password: ", 0); + argv[2] = tmp; + argc++; + } + n = command("PASS %s", argv[2]); + } + if (n == CONTINUE) { + if (argc < 4) { + printf("Account: "); fflush(stdout); + fgets(acct, sizeof(acct) - 1, stdin); + acct[strlen(acct) - 1] = '\0'; + argv[3] = acct; argc++; + } + n = command("ACCT %s", argv[3]); + aflag++; + } + if (n != COMPLETE) { + fprintf(stdout, "Login failed.\n"); + return; + } + if (!aflag && argc == 4) { + command("ACCT %s", argv[3]); + } +} + +/* + * Print working directory. + */ +/*VARARGS*/ +void +pwd(int argc, char **argv) +{ + int oldverbose = verbose; + + /* + * If we aren't verbose, this doesn't do anything! + */ + verbose = 1; + if (command("PWD") == ERROR && code == 500) { + printf("PWD command not recognized, trying XPWD\n"); + command("XPWD"); + } + verbose = oldverbose; +} + +/* + * Make a directory. + */ +void +makedir(int argc, char **argv) +{ + + if (argc < 2 && !another(&argc, &argv, "directory-name")) { + printf("usage: %s directory-name\n", argv[0]); + code = -1; + return; + } + if (command("MKD %s", argv[1]) == ERROR && code == 500) { + if (verbose) + printf("MKD command not recognized, trying XMKD\n"); + command("XMKD %s", argv[1]); + } +} + +/* + * Remove a directory. + */ +void +removedir(int argc, char **argv) +{ + + if (argc < 2 && !another(&argc, &argv, "directory-name")) { + printf("usage: %s directory-name\n", argv[0]); + code = -1; + return; + } + if (command("RMD %s", argv[1]) == ERROR && code == 500) { + if (verbose) + printf("RMD command not recognized, trying XRMD\n"); + command("XRMD %s", argv[1]); + } +} + +/* + * Send a line, verbatim, to the remote machine. + */ +void +quote(int argc, char **argv) +{ + + if (argc < 2 && !another(&argc, &argv, "command line to send")) { + printf("usage: %s line-to-send\n", argv[0]); + code = -1; + return; + } + quote1("", argc, argv); +} + +/* + * Send a SITE command to the remote machine. The line + * is sent verbatim to the remote machine, except that the + * word "SITE" is added at the front. + */ +void +site(int argc, char **argv) +{ + + if (argc < 2 && !another(&argc, &argv, "arguments to SITE command")) { + printf("usage: %s line-to-send\n", argv[0]); + code = -1; + return; + } + quote1("SITE ", argc, argv); +} + +/* + * Turn argv[1..argc) into a space-separated string, then prepend initial text. + * Send the result as a one-line command and get response. + */ +void +quote1(char *initial, int argc, char **argv) +{ + int i; + char buf[BUFSIZ]; /* must be >= sizeof(line) */ + + strlcpy(buf, initial, sizeof(buf)); + for(i = 1; i < argc; i++) { + if(i > 1) + strlcat(buf, " ", sizeof(buf)); + strlcat(buf, argv[i], sizeof(buf)); + } + if (command("%s", buf) == PRELIM) { + while (getreply(0) == PRELIM) + continue; + } +} + +void +do_chmod(int argc, char **argv) +{ + + if (argc < 2 && !another(&argc, &argv, "mode")) + goto usage; + if (argc < 3 && !another(&argc, &argv, "file-name")) { +usage: + printf("usage: %s mode file-name\n", argv[0]); + code = -1; + return; + } + command("SITE CHMOD %s %s", argv[1], argv[2]); +} + +void +do_umask(int argc, char **argv) +{ + int oldverbose = verbose; + + verbose = 1; + command(argc == 1 ? "SITE UMASK" : "SITE UMASK %s", argv[1]); + verbose = oldverbose; +} + +void +ftp_idle(int argc, char **argv) +{ + int oldverbose = verbose; + + verbose = 1; + command(argc == 1 ? "SITE IDLE" : "SITE IDLE %s", argv[1]); + verbose = oldverbose; +} + +/* + * Ask the other side for help. + */ +void +rmthelp(int argc, char **argv) +{ + int oldverbose = verbose; + + verbose = 1; + command(argc == 1 ? "HELP" : "HELP %s", argv[1]); + verbose = oldverbose; +} + +/* + * Terminate session and exit. + */ +/*VARARGS*/ +void +quit(int argc, char **argv) +{ + + if (connected) + disconnect(0, 0); + pswitch(1); + if (connected) { + disconnect(0, 0); + } + exit(0); +} + +/* + * Terminate session, but don't exit. + */ +void +disconnect(int argc, char **argv) +{ + + if (!connected) + return; + command("QUIT"); + if (cout) { + fclose(cout); + } + cout = NULL; + connected = 0; + sec_end(); + data = -1; + if (!proxy) { + macnum = 0; + } +} + +int +confirm(char *cmd, char *file) +{ + char line[BUFSIZ]; + + if (!interactive) + return (1); + printf("%s %s? ", cmd, file); + fflush(stdout); + if (fgets(line, sizeof line, stdin) == NULL) + return (0); + return (*line == 'y' || *line == 'Y'); +} + +void +fatal(char *msg) +{ + + errx(1, "%s", msg); +} + +/* + * Glob a local file name specification with + * the expectation of a single return value. + * Can't control multiple values being expanded + * from the expression, we return only the first. + */ +int +globulize(char **cpp) +{ + glob_t gl; + int flags; + + if (!doglob) + return (1); + + flags = GLOB_BRACE|GLOB_NOCHECK|GLOB_QUOTE|GLOB_TILDE; + memset(&gl, 0, sizeof(gl)); + if (glob(*cpp, flags, NULL, &gl) || + gl.gl_pathc == 0) { + warnx("%s: not found", *cpp); + globfree(&gl); + return (0); + } + *cpp = strdup(gl.gl_pathv[0]); /* XXX - wasted memory */ + globfree(&gl); + return (1); +} + +void +account(int argc, char **argv) +{ + char acct[50]; + + if (argc > 1) { + ++argv; + --argc; + strlcpy (acct, *argv, sizeof(acct)); + while (argc > 1) { + --argc; + ++argv; + strlcat(acct, *argv, sizeof(acct)); + } + } + else { + des_read_pw_string(acct, sizeof(acct), "Account:", 0); + } + command("ACCT %s", acct); +} + +jmp_buf abortprox; + +static RETSIGTYPE +proxabort(int sig) +{ + + if (!proxy) { + pswitch(1); + } + if (connected) { + proxflag = 1; + } + else { + proxflag = 0; + } + pswitch(0); + longjmp(abortprox,1); +} + +void +doproxy(int argc, char **argv) +{ + struct cmd *c; + RETSIGTYPE (*oldintr)(); + + if (argc < 2 && !another(&argc, &argv, "command")) { + printf("usage: %s command\n", argv[0]); + code = -1; + return; + } + c = getcmd(argv[1]); + if (c == (struct cmd *) -1) { + printf("?Ambiguous command\n"); + fflush(stdout); + code = -1; + return; + } + if (c == 0) { + printf("?Invalid command\n"); + fflush(stdout); + code = -1; + return; + } + if (!c->c_proxy) { + printf("?Invalid proxy command\n"); + fflush(stdout); + code = -1; + return; + } + if (setjmp(abortprox)) { + code = -1; + return; + } + oldintr = signal(SIGINT, proxabort); + pswitch(1); + if (c->c_conn && !connected) { + printf("Not connected\n"); + fflush(stdout); + pswitch(0); + signal(SIGINT, oldintr); + code = -1; + return; + } + (*c->c_handler)(argc-1, argv+1); + if (connected) { + proxflag = 1; + } + else { + proxflag = 0; + } + pswitch(0); + signal(SIGINT, oldintr); +} + +void +setcase(int argc, char **argv) +{ + + mcase = !mcase; + printf("Case mapping %s.\n", onoff(mcase)); + code = mcase; +} + +void +setcr(int argc, char **argv) +{ + + crflag = !crflag; + printf("Carriage Return stripping %s.\n", onoff(crflag)); + code = crflag; +} + +void +setntrans(int argc, char **argv) +{ + if (argc == 1) { + ntflag = 0; + printf("Ntrans off.\n"); + code = ntflag; + return; + } + ntflag++; + code = ntflag; + strlcpy (ntin, argv[1], 17); + if (argc == 2) { + ntout[0] = '\0'; + return; + } + strlcpy (ntout, argv[2], 17); +} + +char * +dotrans(char *name) +{ + static char new[MaxPathLen]; + char *cp1, *cp2 = new; + int i, ostop, found; + + for (ostop = 0; *(ntout + ostop) && ostop < 16; ostop++) + continue; + for (cp1 = name; *cp1; cp1++) { + found = 0; + for (i = 0; *(ntin + i) && i < 16; i++) { + if (*cp1 == *(ntin + i)) { + found++; + if (i < ostop) { + *cp2++ = *(ntout + i); + } + break; + } + } + if (!found) { + *cp2++ = *cp1; + } + } + *cp2 = '\0'; + return (new); +} + +void +setnmap(int argc, char **argv) +{ + char *cp; + + if (argc == 1) { + mapflag = 0; + printf("Nmap off.\n"); + code = mapflag; + return; + } + if (argc < 3 && !another(&argc, &argv, "mapout")) { + printf("Usage: %s [mapin mapout]\n",argv[0]); + code = -1; + return; + } + mapflag = 1; + code = 1; + cp = strchr(altarg, ' '); + if (proxy) { + while(*++cp == ' ') + continue; + altarg = cp; + cp = strchr(altarg, ' '); + } + *cp = '\0'; + strlcpy(mapin, altarg, MaxPathLen); + while (*++cp == ' ') + continue; + strlcpy(mapout, cp, MaxPathLen); +} + +char * +domap(char *name) +{ + static char new[MaxPathLen]; + char *cp1 = name, *cp2 = mapin; + char *tp[9], *te[9]; + int i, toks[9], toknum = 0, match = 1; + + for (i=0; i < 9; ++i) { + toks[i] = 0; + } + while (match && *cp1 && *cp2) { + switch (*cp2) { + case '\\': + if (*++cp2 != *cp1) { + match = 0; + } + break; + case '$': + if (*(cp2+1) >= '1' && (*cp2+1) <= '9') { + if (*cp1 != *(++cp2+1)) { + toks[toknum = *cp2 - '1']++; + tp[toknum] = cp1; + while (*++cp1 && *(cp2+1) + != *cp1); + te[toknum] = cp1; + } + cp2++; + break; + } + /* FALLTHROUGH */ + default: + if (*cp2 != *cp1) { + match = 0; + } + break; + } + if (match && *cp1) { + cp1++; + } + if (match && *cp2) { + cp2++; + } + } + if (!match && *cp1) /* last token mismatch */ + { + toks[toknum] = 0; + } + cp1 = new; + *cp1 = '\0'; + cp2 = mapout; + while (*cp2) { + match = 0; + switch (*cp2) { + case '\\': + if (*(cp2 + 1)) { + *cp1++ = *++cp2; + } + break; + case '[': +LOOP: + if (*++cp2 == '$' && isdigit(*(cp2+1))) { + if (*++cp2 == '0') { + char *cp3 = name; + + while (*cp3) { + *cp1++ = *cp3++; + } + match = 1; + } + else if (toks[toknum = *cp2 - '1']) { + char *cp3 = tp[toknum]; + + while (cp3 != te[toknum]) { + *cp1++ = *cp3++; + } + match = 1; + } + } + else { + while (*cp2 && *cp2 != ',' && + *cp2 != ']') { + if (*cp2 == '\\') { + cp2++; + } + else if (*cp2 == '$' && + isdigit(*(cp2+1))) { + if (*++cp2 == '0') { + char *cp3 = name; + + while (*cp3) { + *cp1++ = *cp3++; + } + } + else if (toks[toknum = + *cp2 - '1']) { + char *cp3=tp[toknum]; + + while (cp3 != + te[toknum]) { + *cp1++ = *cp3++; + } + } + } + else if (*cp2) { + *cp1++ = *cp2++; + } + } + if (!*cp2) { + printf("nmap: unbalanced brackets\n"); + return (name); + } + match = 1; + cp2--; + } + if (match) { + while (*++cp2 && *cp2 != ']') { + if (*cp2 == '\\' && *(cp2 + 1)) { + cp2++; + } + } + if (!*cp2) { + printf("nmap: unbalanced brackets\n"); + return (name); + } + break; + } + switch (*++cp2) { + case ',': + goto LOOP; + case ']': + break; + default: + cp2--; + goto LOOP; + } + break; + case '$': + if (isdigit(*(cp2 + 1))) { + if (*++cp2 == '0') { + char *cp3 = name; + + while (*cp3) { + *cp1++ = *cp3++; + } + } + else if (toks[toknum = *cp2 - '1']) { + char *cp3 = tp[toknum]; + + while (cp3 != te[toknum]) { + *cp1++ = *cp3++; + } + } + break; + } + /* intentional drop through */ + default: + *cp1++ = *cp2; + break; + } + cp2++; + } + *cp1 = '\0'; + if (!*new) { + return (name); + } + return (new); +} + +void +setpassive(int argc, char **argv) +{ + + passivemode = !passivemode; + printf("Passive mode %s.\n", onoff(passivemode)); + code = passivemode; +} + +void +setsunique(int argc, char **argv) +{ + + sunique = !sunique; + printf("Store unique %s.\n", onoff(sunique)); + code = sunique; +} + +void +setrunique(int argc, char **argv) +{ + + runique = !runique; + printf("Receive unique %s.\n", onoff(runique)); + code = runique; +} + +/* change directory to perent directory */ +void +cdup(int argc, char **argv) +{ + + if (command("CDUP") == ERROR && code == 500) { + if (verbose) + printf("CDUP command not recognized, trying XCUP\n"); + command("XCUP"); + } +} + +/* restart transfer at specific point */ +void +restart(int argc, char **argv) +{ + + if (argc != 2) + printf("restart: offset not specified\n"); + else { + restart_point = atol(argv[1]); + printf("restarting at %ld. %s\n", (long)restart_point, + "execute get, put or append to initiate transfer"); + } +} + +/* show remote system type */ +void +syst(int argc, char **argv) +{ + + command("SYST"); +} + +void +macdef(int argc, char **argv) +{ + char *tmp; + int c; + + if (macnum == 16) { + printf("Limit of 16 macros have already been defined\n"); + code = -1; + return; + } + if (argc < 2 && !another(&argc, &argv, "macro name")) { + printf("Usage: %s macro_name\n",argv[0]); + code = -1; + return; + } + if (interactive) { + printf("Enter macro line by line, terminating it with a null line\n"); + } + strlcpy(macros[macnum].mac_name, + argv[1], + sizeof(macros[macnum].mac_name)); + if (macnum == 0) { + macros[macnum].mac_start = macbuf; + } + else { + macros[macnum].mac_start = macros[macnum - 1].mac_end + 1; + } + tmp = macros[macnum].mac_start; + while (tmp != macbuf+4096) { + if ((c = getchar()) == EOF) { + printf("macdef:end of file encountered\n"); + code = -1; + return; + } + if ((*tmp = c) == '\n') { + if (tmp == macros[macnum].mac_start) { + macros[macnum++].mac_end = tmp; + code = 0; + return; + } + if (*(tmp-1) == '\0') { + macros[macnum++].mac_end = tmp - 1; + code = 0; + return; + } + *tmp = '\0'; + } + tmp++; + } + while (1) { + while ((c = getchar()) != '\n' && c != EOF) + /* LOOP */; + if (c == EOF || getchar() == '\n') { + printf("Macro not defined - 4k buffer exceeded\n"); + code = -1; + return; + } + } +} + +/* + * get size of file on remote machine + */ +void +sizecmd(int argc, char **argv) +{ + + if (argc < 2 && !another(&argc, &argv, "filename")) { + printf("usage: %s filename\n", argv[0]); + code = -1; + return; + } + command("SIZE %s", argv[1]); +} + +/* + * get last modification time of file on remote machine + */ +void +modtime(int argc, char **argv) +{ + int overbose; + + if (argc < 2 && !another(&argc, &argv, "filename")) { + printf("usage: %s filename\n", argv[0]); + code = -1; + return; + } + overbose = verbose; + if (debug == 0) + verbose = -1; + if (command("MDTM %s", argv[1]) == COMPLETE) { + int yy, mo, day, hour, min, sec; + sscanf(reply_string, "%*s %04d%02d%02d%02d%02d%02d", &yy, &mo, + &day, &hour, &min, &sec); + /* might want to print this in local time */ + printf("%s\t%02d/%02d/%04d %02d:%02d:%02d GMT\n", argv[1], + mo, day, yy, hour, min, sec); + } else + printf("%s\n", reply_string); + verbose = overbose; +} + +/* + * show status on reomte machine + */ +void +rmtstatus(int argc, char **argv) +{ + + command(argc > 1 ? "STAT %s" : "STAT" , argv[1]); +} + +/* + * get file if modtime is more recent than current file + */ +void +newer(int argc, char **argv) +{ + + if (getit(argc, argv, -1, curtype == TYPE_I ? "wb" : "w")) + printf("Local file \"%s\" is newer than remote file \"%s\"\n", + argv[2], argv[1]); +} diff --git a/crypto/heimdal/appl/ftp/ftp/cmdtab.c b/crypto/heimdal/appl/ftp/ftp/cmdtab.c new file mode 100644 index 0000000..5dc96ef --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftp/cmdtab.c @@ -0,0 +1,202 @@ +/* + * Copyright (c) 1985, 1989, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "ftp_locl.h" + +/* + * User FTP -- Command Tables. + */ + +char accounthelp[] = "send account command to remote server"; +char appendhelp[] = "append to a file"; +char asciihelp[] = "set ascii transfer type"; +char beephelp[] = "beep when command completed"; +char binaryhelp[] = "set binary transfer type"; +char casehelp[] = "toggle mget upper/lower case id mapping"; +char cdhelp[] = "change remote working directory"; +char cduphelp[] = "change remote working directory to parent directory"; +char chmodhelp[] = "change file permissions of remote file"; +char connecthelp[] = "connect to remote tftp"; +char crhelp[] = "toggle carriage return stripping on ascii gets"; +char deletehelp[] = "delete remote file"; +char debughelp[] = "toggle/set debugging mode"; +char dirhelp[] = "list contents of remote directory"; +char disconhelp[] = "terminate ftp session"; +char domachelp[] = "execute macro"; +char formhelp[] = "set file transfer format"; +char globhelp[] = "toggle metacharacter expansion of local file names"; +char hashhelp[] = "toggle printing `#' for each buffer transferred"; +char helphelp[] = "print local help information"; +char idlehelp[] = "get (set) idle timer on remote side"; +char lcdhelp[] = "change local working directory"; +char lshelp[] = "list contents of remote directory"; +char macdefhelp[] = "define a macro"; +char mdeletehelp[] = "delete multiple files"; +char mdirhelp[] = "list contents of multiple remote directories"; +char mgethelp[] = "get multiple files"; +char mkdirhelp[] = "make directory on the remote machine"; +char mlshelp[] = "list contents of multiple remote directories"; +char modtimehelp[] = "show last modification time of remote file"; +char modehelp[] = "set file transfer mode"; +char mputhelp[] = "send multiple files"; +char newerhelp[] = "get file if remote file is newer than local file "; +char nlisthelp[] = "nlist contents of remote directory"; +char nmaphelp[] = "set templates for default file name mapping"; +char ntranshelp[] = "set translation table for default file name mapping"; +char porthelp[] = "toggle use of PORT cmd for each data connection"; +char prompthelp[] = "force interactive prompting on multiple commands"; +char proxyhelp[] = "issue command on alternate connection"; +char pwdhelp[] = "print working directory on remote machine"; +char quithelp[] = "terminate ftp session and exit"; +char quotehelp[] = "send arbitrary ftp command"; +char receivehelp[] = "receive file"; +char regethelp[] = "get file restarting at end of local file"; +char remotehelp[] = "get help from remote server"; +char renamehelp[] = "rename file"; +char restarthelp[]= "restart file transfer at bytecount"; +char rmdirhelp[] = "remove directory on the remote machine"; +char rmtstatushelp[]="show status of remote machine"; +char runiquehelp[] = "toggle store unique for local files"; +char resethelp[] = "clear queued command replies"; +char sendhelp[] = "send one file"; +char passivehelp[] = "enter passive transfer mode"; +char sitehelp[] = "send site specific command to remote server\n\t\tTry \"rhelp site\" or \"site help\" for more information"; +char shellhelp[] = "escape to the shell"; +char sizecmdhelp[] = "show size of remote file"; +char statushelp[] = "show current status"; +char structhelp[] = "set file transfer structure"; +char suniquehelp[] = "toggle store unique on remote machine"; +char systemhelp[] = "show remote system type"; +char tenexhelp[] = "set tenex file transfer type"; +char tracehelp[] = "toggle packet tracing"; +char typehelp[] = "set file transfer type"; +char umaskhelp[] = "get (set) umask on remote side"; +char userhelp[] = "send new user information"; +char verbosehelp[] = "toggle verbose mode"; + +char prothelp[] = "set protection level"; +#ifdef KRB4 +char kauthhelp[] = "get remote tokens"; +char klisthelp[] = "show remote tickets"; +char kdestroyhelp[] = "destroy remote tickets"; +char krbtkfilehelp[] = "set filename of remote tickets"; +char afsloghelp[] = "obtain remote AFS tokens"; +#endif + +struct cmd cmdtab[] = { + { "!", shellhelp, 0, 0, 0, shell }, + { "$", domachelp, 1, 0, 0, domacro }, + { "account", accounthelp, 0, 1, 1, account}, + { "append", appendhelp, 1, 1, 1, put }, + { "ascii", asciihelp, 0, 1, 1, setascii }, + { "bell", beephelp, 0, 0, 0, setbell }, + { "binary", binaryhelp, 0, 1, 1, setbinary }, + { "bye", quithelp, 0, 0, 0, quit }, + { "case", casehelp, 0, 0, 1, setcase }, + { "cd", cdhelp, 0, 1, 1, cd }, + { "cdup", cduphelp, 0, 1, 1, cdup }, + { "chmod", chmodhelp, 0, 1, 1, do_chmod }, + { "close", disconhelp, 0, 1, 1, disconnect }, + { "cr", crhelp, 0, 0, 0, setcr }, + { "delete", deletehelp, 0, 1, 1, delete }, + { "debug", debughelp, 0, 0, 0, setdebug }, + { "dir", dirhelp, 1, 1, 1, ls }, + { "disconnect", disconhelp, 0, 1, 1, disconnect }, + { "form", formhelp, 0, 1, 1, setform }, + { "get", receivehelp, 1, 1, 1, get }, + { "glob", globhelp, 0, 0, 0, setglob }, + { "hash", hashhelp, 0, 0, 0, sethash }, + { "help", helphelp, 0, 0, 1, help }, + { "idle", idlehelp, 0, 1, 1, ftp_idle }, + { "image", binaryhelp, 0, 1, 1, setbinary }, + { "lcd", lcdhelp, 0, 0, 0, lcd }, + { "ls", lshelp, 1, 1, 1, ls }, + { "macdef", macdefhelp, 0, 0, 0, macdef }, + { "mdelete", mdeletehelp, 1, 1, 1, mdelete }, + { "mdir", mdirhelp, 1, 1, 1, mls }, + { "mget", mgethelp, 1, 1, 1, mget }, + { "mkdir", mkdirhelp, 0, 1, 1, makedir }, + { "mls", mlshelp, 1, 1, 1, mls }, + { "mode", modehelp, 0, 1, 1, setftmode }, + { "modtime", modtimehelp, 0, 1, 1, modtime }, + { "mput", mputhelp, 1, 1, 1, mput }, + { "newer", newerhelp, 1, 1, 1, newer }, + { "nmap", nmaphelp, 0, 0, 1, setnmap }, + { "nlist", nlisthelp, 1, 1, 1, ls }, + { "ntrans", ntranshelp, 0, 0, 1, setntrans }, + { "open", connecthelp, 0, 0, 1, setpeer }, + { "passive", passivehelp, 0, 0, 0, setpassive }, + { "prompt", prompthelp, 0, 0, 0, setprompt }, + { "proxy", proxyhelp, 0, 0, 1, doproxy }, + { "sendport", porthelp, 0, 0, 0, setport }, + { "put", sendhelp, 1, 1, 1, put }, + { "pwd", pwdhelp, 0, 1, 1, pwd }, + { "quit", quithelp, 0, 0, 0, quit }, + { "quote", quotehelp, 1, 1, 1, quote }, + { "recv", receivehelp, 1, 1, 1, get }, + { "reget", regethelp, 1, 1, 1, reget }, + { "rstatus", rmtstatushelp, 0, 1, 1, rmtstatus }, + { "rhelp", remotehelp, 0, 1, 1, rmthelp }, + { "rename", renamehelp, 0, 1, 1, renamefile }, + { "reset", resethelp, 0, 1, 1, reset }, + { "restart", restarthelp, 1, 1, 1, restart }, + { "rmdir", rmdirhelp, 0, 1, 1, removedir }, + { "runique", runiquehelp, 0, 0, 1, setrunique }, + { "send", sendhelp, 1, 1, 1, put }, + { "site", sitehelp, 0, 1, 1, site }, + { "size", sizecmdhelp, 1, 1, 1, sizecmd }, + { "status", statushelp, 0, 0, 1, status }, + { "struct", structhelp, 0, 1, 1, setstruct }, + { "system", systemhelp, 0, 1, 1, syst }, + { "sunique", suniquehelp, 0, 0, 1, setsunique }, + { "tenex", tenexhelp, 0, 1, 1, settenex }, + { "trace", tracehelp, 0, 0, 0, settrace }, + { "type", typehelp, 0, 1, 1, settype }, + { "user", userhelp, 0, 1, 1, user }, + { "umask", umaskhelp, 0, 1, 1, do_umask }, + { "verbose", verbosehelp, 0, 0, 0, setverbose }, + { "?", helphelp, 0, 0, 1, help }, + + { "prot", prothelp, 0, 1, 0, sec_prot }, +#ifdef KRB4 + { "kauth", kauthhelp, 0, 1, 0, kauth }, + { "klist", klisthelp, 0, 1, 0, klist }, + { "kdestroy", kdestroyhelp, 0, 1, 0, kdestroy }, + { "krbtkfile", krbtkfilehelp, 0, 1, 0, krbtkfile }, + { "afslog", afsloghelp, 0, 1, 0, afslog }, +#endif + + { 0 }, +}; + +int NCMDS = (sizeof (cmdtab) / sizeof (cmdtab[0])) - 1; diff --git a/crypto/heimdal/appl/ftp/ftp/domacro.c b/crypto/heimdal/appl/ftp/ftp/domacro.c new file mode 100644 index 0000000..d91660d --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftp/domacro.c @@ -0,0 +1,138 @@ +/* + * Copyright (c) 1985, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "ftp_locl.h" +RCSID("$Id: domacro.c,v 1.7 1999/09/16 20:37:29 assar Exp $"); + +void +domacro(int argc, char **argv) +{ + int i, j, count = 2, loopflg = 0; + char *cp1, *cp2, line2[200]; + struct cmd *c; + + if (argc < 2 && !another(&argc, &argv, "macro name")) { + printf("Usage: %s macro_name.\n", argv[0]); + code = -1; + return; + } + for (i = 0; i < macnum; ++i) { + if (!strncmp(argv[1], macros[i].mac_name, 9)) { + break; + } + } + if (i == macnum) { + printf("'%s' macro not found.\n", argv[1]); + code = -1; + return; + } + strlcpy(line2, line, sizeof(line2)); +TOP: + cp1 = macros[i].mac_start; + while (cp1 != macros[i].mac_end) { + while (isspace(*cp1)) { + cp1++; + } + cp2 = line; + while (*cp1 != '\0') { + switch(*cp1) { + case '\\': + *cp2++ = *++cp1; + break; + case '$': + if (isdigit(*(cp1+1))) { + j = 0; + while (isdigit(*++cp1)) { + j = 10*j + *cp1 - '0'; + } + cp1--; + if (argc - 2 >= j) { + strcpy(cp2, argv[j+1]); + cp2 += strlen(argv[j+1]); + } + break; + } + if (*(cp1+1) == 'i') { + loopflg = 1; + cp1++; + if (count < argc) { + strcpy(cp2, argv[count]); + cp2 += strlen(argv[count]); + } + break; + } + /* intentional drop through */ + default: + *cp2++ = *cp1; + break; + } + if (*cp1 != '\0') { + cp1++; + } + } + *cp2 = '\0'; + makeargv(); + c = getcmd(margv[0]); + if (c == (struct cmd *)-1) { + printf("?Ambiguous command\n"); + code = -1; + } + else if (c == 0) { + printf("?Invalid command\n"); + code = -1; + } + else if (c->c_conn && !connected) { + printf("Not connected.\n"); + code = -1; + } + else { + if (verbose) { + printf("%s\n",line); + } + (*c->c_handler)(margc, margv); + if (bell && c->c_bell) { + putchar('\007'); + } + strcpy(line, line2); + makeargv(); + argc = margc; + argv = margv; + } + if (cp1 != macros[i].mac_end) { + cp1++; + } + } + if (loopflg && ++count < argc) { + goto TOP; + } +} diff --git a/crypto/heimdal/appl/ftp/ftp/extern.h b/crypto/heimdal/appl/ftp/ftp/extern.h new file mode 100644 index 0000000..d488ecd --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftp/extern.h @@ -0,0 +1,173 @@ +/*- + * Copyright (c) 1994 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)extern.h 8.3 (Berkeley) 10/9/94 + */ + +/* $Id: extern.h,v 1.18 1999/10/28 20:49:10 assar Exp $ */ + +#include <setjmp.h> +#include <stdlib.h> +#ifdef TIME_WITH_SYS_TIME +#include <sys/time.h> +#include <time.h> +#elif defined(HAVE_SYS_TIME_H) +#include <sys/time.h> +#else +#include <time.h> +#endif +#ifdef HAVE_SYS_SELECT_H +#include <sys/select.h> +#endif + +void abort_remote (FILE *); +void abortpt (int); +void abortrecv (int); +void account (int, char **); +int another (int *, char ***, char *); +void blkfree (char **); +void cd (int, char **); +void cdup (int, char **); +void changetype (int, int); +void cmdabort (int); +void cmdscanner (int); +int command (char *fmt, ...); +int confirm (char *, char *); +FILE *dataconn (const char *); +void delete (int, char **); +void disconnect (int, char **); +void do_chmod (int, char **); +void do_umask (int, char **); +void domacro (int, char **); +char *domap (char *); +void doproxy (int, char **); +char *dotrans (char *); +int empty (fd_set *, int); +void fatal (char *); +void get (int, char **); +struct cmd *getcmd (char *); +int getit (int, char **, int, char *); +int getreply (int); +int globulize (char **); +char *gunique (char *); +void help (int, char **); +char *hookup (const char *, int); +void ftp_idle (int, char **); +int initconn (void); +void intr (int); +void lcd (int, char **); +int login (char *); +RETSIGTYPE lostpeer (int); +void ls (int, char **); +void macdef (int, char **); +void makeargv (void); +void makedir (int, char **); +void mdelete (int, char **); +void mget (int, char **); +void mls (int, char **); +void modtime (int, char **); +void mput (int, char **); +char *onoff (int); +void newer (int, char **); +void proxtrans (char *, char *, char *); +void psabort (int); +void pswitch (int); +void ptransfer (char *, long, struct timeval *, struct timeval *); +void put (int, char **); +void pwd (int, char **); +void quit (int, char **); +void quote (int, char **); +void quote1 (char *, int, char **); +void recvrequest (char *, char *, char *, char *, int, int); +void reget (int, char **); +char *remglob (char **, int); +void removedir (int, char **); +void renamefile (int, char **); +void reset (int, char **); +void restart (int, char **); +void rmthelp (int, char **); +void rmtstatus (int, char **); +int ruserpass (char *, char **, char **, char **); +void sendrequest (char *, char *, char *, char *, int); +void setascii (int, char **); +void setbell (int, char **); +void setbinary (int, char **); +void setcase (int, char **); +void setcr (int, char **); +void setdebug (int, char **); +void setform (int, char **); +void setftmode (int, char **); +void setglob (int, char **); +void sethash (int, char **); +void setnmap (int, char **); +void setntrans (int, char **); +void setpassive (int, char **); +void setpeer (int, char **); +void setport (int, char **); +void setprompt (int, char **); +void setrunique (int, char **); +void setstruct (int, char **); +void setsunique (int, char **); +void settenex (int, char **); +void settrace (int, char **); +void settype (int, char **); +void setverbose (int, char **); +void shell (int, char **); +void site (int, char **); +void sizecmd (int, char **); +char *slurpstring (void); +void status (int, char **); +void syst (int, char **); +void tvsub (struct timeval *, struct timeval *, struct timeval *); +void user (int, char **); + +extern jmp_buf abortprox; +extern int abrtflag; +extern struct cmd cmdtab[]; +extern FILE *cout; +extern int data; +extern char *home; +extern jmp_buf jabort; +extern int proxy; +extern char reply_string[]; +extern off_t restart_point; +extern int NCMDS; + +extern char username[32]; +extern char myhostname[]; +extern char *mydomain; + +void afslog (int, char **); +void kauth (int, char **); +void kdestroy (int, char **); +void klist (int, char **); +void krbtkfile (int, char **); diff --git a/crypto/heimdal/appl/ftp/ftp/ftp.1 b/crypto/heimdal/appl/ftp/ftp/ftp.1 new file mode 100644 index 0000000..e5c21f0 --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftp/ftp.1 @@ -0,0 +1,1193 @@ +.\" $NetBSD: ftp.1,v 1.11 1995/09/08 01:06:24 tls Exp $ +.\" +.\" Copyright (c) 1985, 1989, 1990, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)ftp.1 8.3 (Berkeley) 10/9/94 +.\" +.Dd April 27, 1996 +.Dt FTP 1 +.Os BSD 4.2 +.Sh NAME +.Nm ftp +.Nd +.Tn ARPANET +file transfer program +.Sh SYNOPSIS +.Nm ftp +.Op Fl t +.Op Fl v +.Op Fl d +.Op Fl i +.Op Fl n +.Op Fl g +.Op Fl p +.Op Ar host +.Sh DESCRIPTION +.Nm Ftp +is the user interface to the +.Tn ARPANET +standard File Transfer Protocol. +The program allows a user to transfer files to and from a +remote network site. +.Pp +Modifications has been made so that it almost follows the ftpsec +Internet draft. +.Pp +Options may be specified at the command line, or to the +command interpreter. +.Bl -tag -width flag +.It Fl t +Enables packet tracing. +.It Fl v +Verbose option forces +.Nm ftp +to show all responses from the remote server, as well +as report on data transfer statistics. +.It Fl n +Restrains +.Nm ftp +from attempting \*(Lqauto-login\*(Rq upon initial connection. +If auto-login is enabled, +.Nm ftp +will check the +.Pa .netrc +(see below) file in the user's home directory for an entry describing +an account on the remote machine. +If no entry exists, +.Nm ftp +will prompt for the remote machine login name (default is the user +identity on the local machine), and, if necessary, prompt for a password +and an account with which to login. +.It Fl i +Turns off interactive prompting during +multiple file transfers. +.It Fl p +Turn on passive mode. +.It Fl d +Enables debugging. +.It Fl g +Disables file name globbing. +.El +.Pp +The client host with which +.Nm ftp +is to communicate may be specified on the command line. +If this is done, +.Nm ftp +will immediately attempt to establish a connection to an +.Tn FTP +server on that host; otherwise, +.Nm ftp +will enter its command interpreter and await instructions +from the user. +When +.Nm ftp +is awaiting commands from the user the prompt +.Ql ftp> +is provided to the user. +The following commands are recognized +by +.Nm ftp : +.Bl -tag -width Fl +.It Ic \&! Op Ar command Op Ar args +Invoke an interactive shell on the local machine. +If there are arguments, the first is taken to be a command to execute +directly, with the rest of the arguments as its arguments. +.It Ic \&$ Ar macro-name Op Ar args +Execute the macro +.Ar macro-name +that was defined with the +.Ic macdef +command. +Arguments are passed to the macro unglobbed. +.It Ic account Op Ar passwd +Supply a supplemental password required by a remote system for access +to resources once a login has been successfully completed. +If no argument is included, the user will be prompted for an account +password in a non-echoing input mode. +.It Ic append Ar local-file Op Ar remote-file +Append a local file to a file on the remote machine. +If +.Ar remote-file +is left unspecified, the local file name is used in naming the +remote file after being altered by any +.Ic ntrans +or +.Ic nmap +setting. +File transfer uses the current settings for +.Ic type , +.Ic format , +.Ic mode , +and +.Ic structure . +.It Ic ascii +Set the file transfer +.Ic type +to network +.Tn ASCII . +This is the default type. +.It Ic bell +Arrange that a bell be sounded after each file transfer +command is completed. +.It Ic binary +Set the file transfer +.Ic type +to support binary image transfer. +.It Ic bye +Terminate the +.Tn FTP +session with the remote server +and exit +.Nm ftp . +An end of file will also terminate the session and exit. +.It Ic case +Toggle remote computer file name case mapping during +.Ic mget +commands. +When +.Ic case +is on (default is off), remote computer file names with all letters in +upper case are written in the local directory with the letters mapped +to lower case. +.It Ic \&cd Ar remote-directory +Change the working directory on the remote machine +to +.Ar remote-directory . +.It Ic cdup +Change the remote machine working directory to the parent of the +current remote machine working directory. +.It Ic chmod Ar mode file-name +Change the permission modes of the file +.Ar file-name +on the remote +sytem to +.Ar mode . +.It Ic close +Terminate the +.Tn FTP +session with the remote server, and +return to the command interpreter. +Any defined macros are erased. +.It Ic \&cr +Toggle carriage return stripping during +ascii type file retrieval. +Records are denoted by a carriage return/linefeed sequence +during ascii type file transfer. +When +.Ic \&cr +is on (the default), carriage returns are stripped from this +sequence to conform with the +.Ux +single linefeed record +delimiter. +Records on +.Pf non\- Ns Ux +remote systems may contain single linefeeds; +when an ascii type transfer is made, these linefeeds may be +distinguished from a record delimiter only when +.Ic \&cr +is off. +.It Ic delete Ar remote-file +Delete the file +.Ar remote-file +on the remote machine. +.It Ic debug Op Ar debug-value +Toggle debugging mode. +If an optional +.Ar debug-value +is specified it is used to set the debugging level. +When debugging is on, +.Nm ftp +prints each command sent to the remote machine, preceded +by the string +.Ql \-\-> +.It Xo +.Ic dir +.Op Ar remote-directory +.Op Ar local-file +.Xc +Print a listing of the directory contents in the +directory, +.Ar remote-directory , +and, optionally, placing the output in +.Ar local-file . +If interactive prompting is on, +.Nm ftp +will prompt the user to verify that the last argument is indeed the +target local file for receiving +.Ic dir +output. +If no directory is specified, the current working +directory on the remote machine is used. +If no local +file is specified, or +.Ar local-file +is +.Fl , +output comes to the terminal. +.It Ic disconnect +A synonym for +.Ar close . +.It Ic form Ar format +Set the file transfer +.Ic form +to +.Ar format . +The default format is \*(Lqfile\*(Rq. +.It Ic get Ar remote-file Op Ar local-file +Retrieve the +.Ar remote-file +and store it on the local machine. +If the local +file name is not specified, it is given the same +name it has on the remote machine, subject to +alteration by the current +.Ic case , +.Ic ntrans , +and +.Ic nmap +settings. +The current settings for +.Ic type , +.Ic form , +.Ic mode , +and +.Ic structure +are used while transferring the file. +.It Ic glob +Toggle filename expansion for +.Ic mdelete , +.Ic mget +and +.Ic mput . +If globbing is turned off with +.Ic glob , +the file name arguments +are taken literally and not expanded. +Globbing for +.Ic mput +is done as in +.Xr csh 1 . +For +.Ic mdelete +and +.Ic mget , +each remote file name is expanded +separately on the remote machine and the lists are not merged. +Expansion of a directory name is likely to be +different from expansion of the name of an ordinary file: +the exact result depends on the foreign operating system and ftp server, +and can be previewed by doing +.Ql mls remote-files \- . +As a security measure, remotely globbed files that starts with +.Sq / +or contains +.Sq ../ , +will not be automatically received. If you have interactive prompting +turned off, these filenames will be ignored. Note: +.Ic mget +and +.Ic mput +are not meant to transfer +entire directory subtrees of files. +That can be done by +transferring a +.Xr tar 1 +archive of the subtree (in binary mode). +.It Ic hash +Toggle hash-sign (``#'') printing for each data block +transferred. +The size of a data block is 1024 bytes. +.It Ic help Op Ar command +Print an informative message about the meaning of +.Ar command . +If no argument is given, +.Nm ftp +prints a list of the known commands. +.It Ic idle Op Ar seconds +Set the inactivity timer on the remote server to +.Ar seconds +seconds. +If +.Ar seconds +is omitted, the current inactivity timer is printed. +.It Ic lcd Op Ar directory +Change the working directory on the local machine. +If +no +.Ar directory +is specified, the user's home directory is used. +.It Xo +.Ic \&ls +.Op Ar remote-directory +.Op Ar local-file +.Xc +Print a listing of the contents of a +directory on the remote machine. +The listing includes any system-dependent information that the server +chooses to include; for example, most +.Ux +systems will produce +output from the command +.Ql ls \-l . +(See also +.Ic nlist . ) +If +.Ar remote-directory +is left unspecified, the current working directory is used. +If interactive prompting is on, +.Nm ftp +will prompt the user to verify that the last argument is indeed the +target local file for receiving +.Ic \&ls +output. +If no local file is specified, or if +.Ar local-file +is +.Sq Fl , +the output is sent to the terminal. +.It Ic macdef Ar macro-name +Define a macro. +Subsequent lines are stored as the macro +.Ar macro-name ; +a null line (consecutive newline characters +in a file or +carriage returns from the terminal) terminates macro input mode. +There is a limit of 16 macros and 4096 total characters in all +defined macros. +Macros remain defined until a +.Ic close +command is executed. +The macro processor interprets `$' and `\e' as special characters. +A `$' followed by a number (or numbers) is replaced by the +corresponding argument on the macro invocation command line. +A `$' followed by an `i' signals that macro processor that the +executing macro is to be looped. +On the first pass `$i' is +replaced by the first argument on the macro invocation command line, +on the second pass it is replaced by the second argument, and so on. +A `\e' followed by any character is replaced by that character. +Use the `\e' to prevent special treatment of the `$'. +.It Ic mdelete Op Ar remote-files +Delete the +.Ar remote-files +on the remote machine. +.It Ic mdir Ar remote-files local-file +Like +.Ic dir , +except multiple remote files may be specified. +If interactive prompting is on, +.Nm ftp +will prompt the user to verify that the last argument is indeed the +target local file for receiving +.Ic mdir +output. +.It Ic mget Ar remote-files +Expand the +.Ar remote-files +on the remote machine +and do a +.Ic get +for each file name thus produced. +See +.Ic glob +for details on the filename expansion. +Resulting file names will then be processed according to +.Ic case , +.Ic ntrans , +and +.Ic nmap +settings. +Files are transferred into the local working directory, +which can be changed with +.Ql lcd directory ; +new local directories can be created with +.Ql "\&! mkdir directory" . +.It Ic mkdir Ar directory-name +Make a directory on the remote machine. +.It Ic mls Ar remote-files local-file +Like +.Ic nlist , +except multiple remote files may be specified, +and the +.Ar local-file +must be specified. +If interactive prompting is on, +.Nm ftp +will prompt the user to verify that the last argument is indeed the +target local file for receiving +.Ic mls +output. +.It Ic mode Op Ar mode-name +Set the file transfer +.Ic mode +to +.Ar mode-name . +The default mode is \*(Lqstream\*(Rq mode. +.It Ic modtime Ar file-name +Show the last modification time of the file on the remote machine. +.It Ic mput Ar local-files +Expand wild cards in the list of local files given as arguments +and do a +.Ic put +for each file in the resulting list. +See +.Ic glob +for details of filename expansion. +Resulting file names will then be processed according to +.Ic ntrans +and +.Ic nmap +settings. +.It Ic newer Ar file-name +Get the file only if the modification time of the remote file is more +recent that the file on the current system. +If the file does not +exist on the current system, the remote file is considered +.Ic newer . +Otherwise, this command is identical to +.Ar get . +.It Xo +.Ic nlist +.Op Ar remote-directory +.Op Ar local-file +.Xc +Print a list of the files in a +directory on the remote machine. +If +.Ar remote-directory +is left unspecified, the current working directory is used. +If interactive prompting is on, +.Nm ftp +will prompt the user to verify that the last argument is indeed the +target local file for receiving +.Ic nlist +output. +If no local file is specified, or if +.Ar local-file +is +.Fl , +the output is sent to the terminal. +.It Ic nmap Op Ar inpattern outpattern +Set or unset the filename mapping mechanism. +If no arguments are specified, the filename mapping mechanism is unset. +If arguments are specified, remote filenames are mapped during +.Ic mput +commands and +.Ic put +commands issued without a specified remote target filename. +If arguments are specified, local filenames are mapped during +.Ic mget +commands and +.Ic get +commands issued without a specified local target filename. +This command is useful when connecting to a +.No non\- Ns Ux +remote computer +with different file naming conventions or practices. +The mapping follows the pattern set by +.Ar inpattern +and +.Ar outpattern . +.Op Ar Inpattern +is a template for incoming filenames (which may have already been +processed according to the +.Ic ntrans +and +.Ic case +settings). +Variable templating is accomplished by including the +sequences `$1', `$2', ..., `$9' in +.Ar inpattern . +Use `\\' to prevent this special treatment of the `$' character. +All other characters are treated literally, and are used to determine the +.Ic nmap +.Op Ar inpattern +variable values. +For example, given +.Ar inpattern +$1.$2 and the remote file name "mydata.data", $1 would have the value +"mydata", and $2 would have the value "data". +The +.Ar outpattern +determines the resulting mapped filename. +The sequences `$1', `$2', ...., `$9' are replaced by any value resulting +from the +.Ar inpattern +template. +The sequence `$0' is replace by the original filename. +Additionally, the sequence +.Ql Op Ar seq1 , Ar seq2 +is replaced by +.Op Ar seq1 +if +.Ar seq1 +is not a null string; otherwise it is replaced by +.Ar seq2 . +For example, the command +.Pp +.Bd -literal -offset indent -compact +nmap $1.$2.$3 [$1,$2].[$2,file] +.Ed +.Pp +would yield +the output filename "myfile.data" for input filenames "myfile.data" and +"myfile.data.old", "myfile.file" for the input filename "myfile", and +"myfile.myfile" for the input filename ".myfile". +Spaces may be included in +.Ar outpattern , +as in the example: `nmap $1 sed "s/ *$//" > $1' . +Use the `\e' character to prevent special treatment +of the `$','[','[', and `,' characters. +.It Ic ntrans Op Ar inchars Op Ar outchars +Set or unset the filename character translation mechanism. +If no arguments are specified, the filename character +translation mechanism is unset. +If arguments are specified, characters in +remote filenames are translated during +.Ic mput +commands and +.Ic put +commands issued without a specified remote target filename. +If arguments are specified, characters in +local filenames are translated during +.Ic mget +commands and +.Ic get +commands issued without a specified local target filename. +This command is useful when connecting to a +.No non\- Ns Ux +remote computer +with different file naming conventions or practices. +Characters in a filename matching a character in +.Ar inchars +are replaced with the corresponding character in +.Ar outchars . +If the character's position in +.Ar inchars +is longer than the length of +.Ar outchars , +the character is deleted from the file name. +.It Ic open Ar host Op Ar port +Establish a connection to the specified +.Ar host +.Tn FTP +server. +An optional port number may be supplied, +in which case, +.Nm ftp +will attempt to contact an +.Tn FTP +server at that port. +If the +.Ic auto-login +option is on (default), +.Nm ftp +will also attempt to automatically log the user in to +the +.Tn FTP +server (see below). +.It Ic passive +Toggle passive mode. If passive mode is turned on +(default is off), the ftp client will +send a +.Dv PASV +command for all data connections instead of the usual +.Dv PORT +command. The +.Dv PASV +command requests that the remote server open a port for the data connection +and return the address of that port. The remote server listens on that +port and the client connects to it. When using the more traditional +.Dv PORT +command, the client listens on a port and sends that address to the remote +server, who connects back to it. Passive mode is useful when using +.Nm ftp +through a gateway router or host that controls the directionality of +traffic. +(Note that though ftp servers are required to support the +.Dv PASV +command by RFC 1123, some do not.) +.It Ic prompt +Toggle interactive prompting. +Interactive prompting +occurs during multiple file transfers to allow the +user to selectively retrieve or store files. +If prompting is turned off (default is on), any +.Ic mget +or +.Ic mput +will transfer all files, and any +.Ic mdelete +will delete all files. +.It Ic proxy Ar ftp-command +Execute an ftp command on a secondary control connection. +This command allows simultaneous connection to two remote ftp +servers for transferring files between the two servers. +The first +.Ic proxy +command should be an +.Ic open , +to establish the secondary control connection. +Enter the command "proxy ?" to see other ftp commands executable on the +secondary connection. +The following commands behave differently when prefaced by +.Ic proxy : +.Ic open +will not define new macros during the auto-login process, +.Ic close +will not erase existing macro definitions, +.Ic get +and +.Ic mget +transfer files from the host on the primary control connection +to the host on the secondary control connection, and +.Ic put , +.Ic mput , +and +.Ic append +transfer files from the host on the secondary control connection +to the host on the primary control connection. +Third party file transfers depend upon support of the ftp protocol +.Dv PASV +command by the server on the secondary control connection. +.It Ic put Ar local-file Op Ar remote-file +Store a local file on the remote machine. +If +.Ar remote-file +is left unspecified, the local file name is used +after processing according to any +.Ic ntrans +or +.Ic nmap +settings +in naming the remote file. +File transfer uses the +current settings for +.Ic type , +.Ic format , +.Ic mode , +and +.Ic structure . +.It Ic pwd +Print the name of the current working directory on the remote +machine. +.It Ic quit +A synonym for +.Ic bye . +.It Ic quote Ar arg1 arg2 ... +The arguments specified are sent, verbatim, to the remote +.Tn FTP +server. +.It Ic recv Ar remote-file Op Ar local-file +A synonym for get. +.It Ic reget Ar remote-file Op Ar local-file +Reget acts like get, except that if +.Ar local-file +exists and is +smaller than +.Ar remote-file , +.Ar local-file +is presumed to be +a partially transferred copy of +.Ar remote-file +and the transfer +is continued from the apparent point of failure. +This command +is useful when transferring very large files over networks that +are prone to dropping connections. +.It Ic remotehelp Op Ar command-name +Request help from the remote +.Tn FTP +server. +If a +.Ar command-name +is specified it is supplied to the server as well. +.It Ic remotestatus Op Ar file-name +With no arguments, show status of remote machine. +If +.Ar file-name +is specified, show status of +.Ar file-name +on remote machine. +.It Xo +.Ic rename +.Op Ar from +.Op Ar to +.Xc +Rename the file +.Ar from +on the remote machine, to the file +.Ar to . +.It Ic reset +Clear reply queue. +This command re-synchronizes command/reply sequencing with the remote +ftp server. +Resynchronization may be necessary following a violation of the ftp protocol +by the remote server. +.It Ic restart Ar marker +Restart the immediately following +.Ic get +or +.Ic put +at the +indicated +.Ar marker . +On +.Ux +systems, marker is usually a byte +offset into the file. +.It Ic rmdir Ar directory-name +Delete a directory on the remote machine. +.It Ic runique +Toggle storing of files on the local system with unique filenames. +If a file already exists with a name equal to the target +local filename for a +.Ic get +or +.Ic mget +command, a ".1" is appended to the name. +If the resulting name matches another existing file, +a ".2" is appended to the original name. +If this process continues up to ".99", an error +message is printed, and the transfer does not take place. +The generated unique filename will be reported. +Note that +.Ic runique +will not affect local files generated from a shell command +(see below). +The default value is off. +.It Ic send Ar local-file Op Ar remote-file +A synonym for put. +.It Ic sendport +Toggle the use of +.Dv PORT +commands. +By default, +.Nm ftp +will attempt to use a +.Dv PORT +command when establishing +a connection for each data transfer. +The use of +.Dv PORT +commands can prevent delays +when performing multiple file transfers. +If the +.Dv PORT +command fails, +.Nm ftp +will use the default data port. +When the use of +.Dv PORT +commands is disabled, no attempt will be made to use +.Dv PORT +commands for each data transfer. +This is useful +for certain +.Tn FTP +implementations which do ignore +.Dv PORT +commands but, incorrectly, indicate they've been accepted. +.It Ic site Ar arg1 arg2 ... +The arguments specified are sent, verbatim, to the remote +.Tn FTP +server as a +.Dv SITE +command. +.It Ic size Ar file-name +Return size of +.Ar file-name +on remote machine. +.It Ic status +Show the current status of +.Nm ftp . +.It Ic struct Op Ar struct-name +Set the file transfer +.Ar structure +to +.Ar struct-name . +By default \*(Lqstream\*(Rq structure is used. +.It Ic sunique +Toggle storing of files on remote machine under unique file names. +Remote ftp server must support ftp protocol +.Dv STOU +command for +successful completion. +The remote server will report unique name. +Default value is off. +.It Ic system +Show the type of operating system running on the remote machine. +.It Ic tenex +Set the file transfer type to that needed to +talk to +.Tn TENEX +machines. +.It Ic trace +Toggle packet tracing. +.It Ic type Op Ar type-name +Set the file transfer +.Ic type +to +.Ar type-name . +If no type is specified, the current type +is printed. +The default type is network +.Tn ASCII . +.It Ic umask Op Ar newmask +Set the default umask on the remote server to +.Ar newmask . +If +.Ar newmask +is omitted, the current umask is printed. +.It Xo +.Ic user Ar user-name +.Op Ar password +.Op Ar account +.Xc +Identify yourself to the remote +.Tn FTP +server. +If the +.Ar password +is not specified and the server requires it, +.Nm ftp +will prompt the user for it (after disabling local echo). +If an +.Ar account +field is not specified, and the +.Tn FTP +server +requires it, the user will be prompted for it. +If an +.Ar account +field is specified, an account command will +be relayed to the remote server after the login sequence +is completed if the remote server did not require it +for logging in. +Unless +.Nm ftp +is invoked with \*(Lqauto-login\*(Rq disabled, this +process is done automatically on initial connection to +the +.Tn FTP +server. +.It Ic verbose +Toggle verbose mode. +In verbose mode, all responses from +the +.Tn FTP +server are displayed to the user. +In addition, +if verbose is on, when a file transfer completes, statistics +regarding the efficiency of the transfer are reported. +By default, +verbose is on. +.It Ic ? Op Ar command +A synonym for help. +.El +.Pp +The following command can be used with ftpsec-aware servers. +.Bl -tag -width Fl +.It Xo +.Ic prot +.Ar clear | +.Ar safe | +.Ar confidential | +.Ar private +.Xc +Set the data protection level to the requested level. +.El +.Pp +The following command can be used with ftp servers that has +implemented the KAUTH site command. +.Bl -tag -width Fl +.It Ic kauth Op Ar principal +Obtain remote tickets. +.El +.Pp +Command arguments which have embedded spaces may be quoted with +quote `"' marks. +.Sh ABORTING A FILE TRANSFER +To abort a file transfer, use the terminal interrupt key +(usually Ctrl-C). +Sending transfers will be immediately halted. +Receiving transfers will be halted by sending a ftp protocol +.Dv ABOR +command to the remote server, and discarding any further data received. +The speed at which this is accomplished depends upon the remote +server's support for +.Dv ABOR +processing. +If the remote server does not support the +.Dv ABOR +command, an +.Ql ftp> +prompt will not appear until the remote server has completed +sending the requested file. +.Pp +The terminal interrupt key sequence will be ignored when +.Nm ftp +has completed any local processing and is awaiting a reply +from the remote server. +A long delay in this mode may result from the ABOR processing described +above, or from unexpected behavior by the remote server, including +violations of the ftp protocol. +If the delay results from unexpected remote server behavior, the local +.Nm ftp +program must be killed by hand. +.Sh FILE NAMING CONVENTIONS +Files specified as arguments to +.Nm ftp +commands are processed according to the following rules. +.Bl -enum +.It +If the file name +.Sq Fl +is specified, the +.Ar stdin +(for reading) or +.Ar stdout +(for writing) is used. +.It +If the first character of the file name is +.Sq \&| , +the +remainder of the argument is interpreted as a shell command. +.Nm Ftp +then forks a shell, using +.Xr popen 3 +with the argument supplied, and reads (writes) from the stdout +(stdin). +If the shell command includes spaces, the argument +must be quoted; e.g. +\*(Lq" ls -lt"\*(Rq. +A particularly +useful example of this mechanism is: \*(Lqdir more\*(Rq. +.It +Failing the above checks, if ``globbing'' is enabled, +local file names are expanded +according to the rules used in the +.Xr csh 1 ; +c.f. the +.Ic glob +command. +If the +.Nm ftp +command expects a single local file (.e.g. +.Ic put ) , +only the first filename generated by the "globbing" operation is used. +.It +For +.Ic mget +commands and +.Ic get +commands with unspecified local file names, the local filename is +the remote filename, which may be altered by a +.Ic case , +.Ic ntrans , +or +.Ic nmap +setting. +The resulting filename may then be altered if +.Ic runique +is on. +.It +For +.Ic mput +commands and +.Ic put +commands with unspecified remote file names, the remote filename is +the local filename, which may be altered by a +.Ic ntrans +or +.Ic nmap +setting. +The resulting filename may then be altered by the remote server if +.Ic sunique +is on. +.El +.Sh FILE TRANSFER PARAMETERS +The FTP specification specifies many parameters which may +affect a file transfer. +The +.Ic type +may be one of \*(Lqascii\*(Rq, \*(Lqimage\*(Rq (binary), +\*(Lqebcdic\*(Rq, and \*(Lqlocal byte size\*(Rq (for +.Tn PDP Ns -10's +and +.Tn PDP Ns -20's +mostly). +.Nm Ftp +supports the ascii and image types of file transfer, +plus local byte size 8 for +.Ic tenex +mode transfers. +.Pp +.Nm Ftp +supports only the default values for the remaining +file transfer parameters: +.Ic mode , +.Ic form , +and +.Ic struct . +.Sh THE .netrc FILE +The +.Pa .netrc +file contains login and initialization information +used by the auto-login process. +It resides in the user's home directory. +The following tokens are recognized; they may be separated by spaces, +tabs, or new-lines: +.Bl -tag -width password +.It Ic machine Ar name +Identify a remote machine +.Ar name . +The auto-login process searches the +.Pa .netrc +file for a +.Ic machine +token that matches the remote machine specified on the +.Nm ftp +command line or as an +.Ic open +command argument. +Once a match is made, the subsequent +.Pa .netrc +tokens are processed, +stopping when the end of file is reached or another +.Ic machine +or a +.Ic default +token is encountered. +.It Ic default +This is the same as +.Ic machine +.Ar name +except that +.Ic default +matches any name. +There can be only one +.Ic default +token, and it must be after all +.Ic machine +tokens. +This is normally used as: +.Pp +.Dl default login anonymous password user@site +.Pp +thereby giving the user +.Ar automatic +anonymous ftp login to +machines not specified in +.Pa .netrc . +This can be overridden +by using the +.Fl n +flag to disable auto-login. +.It Ic login Ar name +Identify a user on the remote machine. +If this token is present, the auto-login process will initiate +a login using the specified +.Ar name . +.It Ic password Ar string +Supply a password. +If this token is present, the auto-login process will supply the +specified string if the remote server requires a password as part +of the login process. +Note that if this token is present in the +.Pa .netrc +file for any user other +than +.Ar anonymous , +.Nm ftp +will abort the auto-login process if the +.Pa .netrc +is readable by +anyone besides the user. +.It Ic account Ar string +Supply an additional account password. +If this token is present, the auto-login process will supply the +specified string if the remote server requires an additional +account password, or the auto-login process will initiate an +.Dv ACCT +command if it does not. +.It Ic macdef Ar name +Define a macro. +This token functions like the +.Nm ftp +.Ic macdef +command functions. +A macro is defined with the specified name; its contents begin with the +next +.Pa .netrc +line and continue until a null line (consecutive new-line +characters) is encountered. +If a macro named +.Ic init +is defined, it is automatically executed as the last step in the +auto-login process. +.El +.Sh ENVIRONMENT +.Nm Ftp +utilizes the following environment variables. +.Bl -tag -width Fl +.It Ev HOME +For default location of a +.Pa .netrc +file, if one exists. +.It Ev SHELL +For default shell. +.El +.Sh SEE ALSO +.Xr ftpd 8 , +.%T RFC2228 +.Sh HISTORY +The +.Nm ftp +command appeared in +.Bx 4.2 . +.Sh BUGS +Correct execution of many commands depends upon proper behavior +by the remote server. +.Pp +An error in the treatment of carriage returns +in the +.Bx 4.2 +ascii-mode transfer code +has been corrected. +This correction may result in incorrect transfers of binary files +to and from +.Bx 4.2 +servers using the ascii type. +Avoid this problem by using the binary image type. diff --git a/crypto/heimdal/appl/ftp/ftp/ftp.c b/crypto/heimdal/appl/ftp/ftp/ftp.c new file mode 100644 index 0000000..2e7a9dd --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftp/ftp.c @@ -0,0 +1,1746 @@ +/* + * Copyright (c) 1985, 1989, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "ftp_locl.h" +RCSID ("$Id: ftp.c,v 1.63 2000/01/08 07:43:47 assar Exp $"); + +struct sockaddr_storage hisctladdr_ss; +struct sockaddr *hisctladdr = (struct sockaddr *)&hisctladdr_ss; +struct sockaddr_storage data_addr_ss; +struct sockaddr *data_addr = (struct sockaddr *)&data_addr_ss; +struct sockaddr_storage myctladdr_ss; +struct sockaddr *myctladdr = (struct sockaddr *)&myctladdr_ss; +int data = -1; +int abrtflag = 0; +jmp_buf ptabort; +int ptabflg; +int ptflag = 0; +off_t restart_point = 0; + + +FILE *cin, *cout; + +typedef void (*sighand) (int); + +char * +hookup (const char *host, int port) +{ + static char hostnamebuf[MaxHostNameLen]; + struct addrinfo *ai, *a; + struct addrinfo hints; + int error; + char portstr[NI_MAXSERV]; + int len; + int s; + + memset (&hints, 0, sizeof(hints)); + hints.ai_socktype = SOCK_STREAM; + hints.ai_protocol = IPPROTO_TCP; + hints.ai_flags = AI_CANONNAME; + + snprintf (portstr, sizeof(portstr), "%u", ntohs(port)); + + error = getaddrinfo (host, portstr, &hints, &ai); + if (error) { + warnx ("%s: %s", host, gai_strerror(error)); + code = -1; + return NULL; + } + strlcpy (hostnamebuf, host, sizeof(hostnamebuf)); + hostname = hostnamebuf; + + for (a = ai; a != NULL; a = a->ai_next) { + s = socket (a->ai_family, a->ai_socktype, a->ai_protocol); + if (s < 0) + continue; + + if (a->ai_canonname != NULL) + strlcpy (hostnamebuf, a->ai_canonname, sizeof(hostnamebuf)); + + memcpy (hisctladdr, a->ai_addr, a->ai_addrlen); + + error = connect (s, a->ai_addr, a->ai_addrlen); + if (error < 0) { + char addrstr[256]; + + if (getnameinfo (a->ai_addr, a->ai_addrlen, + addrstr, sizeof(addrstr), + NULL, 0, NI_NUMERICHOST) != 0) + strlcpy (addrstr, "unknown address", sizeof(addrstr)); + + warn ("connect %s", addrstr); + close (s); + continue; + } + break; + } + freeaddrinfo (ai); + if (error < 0) { + warnx ("failed to contact %s", host); + code = -1; + return NULL; + } + + len = sizeof(myctladdr_ss); + if (getsockname (s, myctladdr, &len) < 0) { + warn ("getsockname"); + code = -1; + close (s); + return NULL; + } +#ifdef IPTOS_LOWDELAY + socket_set_tos (s, IPTOS_LOWDELAY); +#endif + cin = fdopen (s, "r"); + cout = fdopen (s, "w"); + if (cin == NULL || cout == NULL) { + warnx ("fdopen failed."); + if (cin) + fclose (cin); + if (cout) + fclose (cout); + code = -1; + goto bad; + } + if (verbose) + printf ("Connected to %s.\n", hostname); + if (getreply (0) > 2) { /* read startup message from server */ + if (cin) + fclose (cin); + if (cout) + fclose (cout); + code = -1; + goto bad; + } +#if defined(SO_OOBINLINE) && defined(HAVE_SETSOCKOPT) + { + int on = 1; + + if (setsockopt (s, SOL_SOCKET, SO_OOBINLINE, (char *) &on, sizeof (on)) + < 0 && debug) { + warn ("setsockopt"); + } + } +#endif /* SO_OOBINLINE */ + + return (hostname); +bad: + close (s); + return NULL; +} + +int +login (char *host) +{ + char tmp[80]; + char defaultpass[128]; + char *user, *pass, *acct; + int n, aflag = 0; + + char *myname = NULL; + struct passwd *pw = k_getpwuid(getuid()); + + if (pw != NULL) + myname = pw->pw_name; + + user = pass = acct = 0; + + if(sec_login(host)) + printf("\n*** Using plaintext user and password ***\n\n"); + else{ + printf("Authentication successful.\n\n"); + } + + if (ruserpass (host, &user, &pass, &acct) < 0) { + code = -1; + return (0); + } + while (user == NULL) { + if (myname) + printf ("Name (%s:%s): ", host, myname); + else + printf ("Name (%s): ", host); + fgets (tmp, sizeof (tmp) - 1, stdin); + tmp[strlen (tmp) - 1] = '\0'; + if (*tmp == '\0') + user = myname; + else + user = tmp; + } + strlcpy(username, user, sizeof(username)); + n = command("USER %s", user); + if (n == CONTINUE) { + if(sec_complete) + pass = myname; + else if (pass == NULL) { + char prompt[128]; + if(myname && + (!strcmp(user, "ftp") || !strcmp(user, "anonymous"))){ + snprintf(defaultpass, sizeof(defaultpass), + "%s@%s", myname, mydomain); + snprintf(prompt, sizeof(prompt), + "Password (%s): ", defaultpass); + }else{ + *defaultpass = '\0'; + snprintf(prompt, sizeof(prompt), "Password: "); + } + pass = defaultpass; + des_read_pw_string (tmp, sizeof (tmp), prompt, 0); + if (tmp[0]) + pass = tmp; + } + n = command ("PASS %s", pass); + } + if (n == CONTINUE) { + aflag++; + acct = tmp; + des_read_pw_string (acct, 128, "Account:", 0); + n = command ("ACCT %s", acct); + } + if (n != COMPLETE) { + warnx ("Login failed."); + return (0); + } + if (!aflag && acct != NULL) + command ("ACCT %s", acct); + if (proxy) + return (1); + for (n = 0; n < macnum; ++n) { + if (!strcmp("init", macros[n].mac_name)) { + strlcpy (line, "$init", sizeof (line)); + makeargv(); + domacro(margc, margv); + break; + } + } + sec_set_protection_level (); + return (1); +} + +void +cmdabort (int sig) +{ + + printf ("\n"); + fflush (stdout); + abrtflag++; + if (ptflag) + longjmp (ptabort, 1); +} + +int +command (char *fmt,...) +{ + va_list ap; + int r; + sighand oldintr; + + abrtflag = 0; + if (cout == NULL) { + warn ("No control connection for command"); + code = -1; + return (0); + } + oldintr = signal(SIGINT, cmdabort); + va_start(ap, fmt); + if(debug){ + printf("---> "); + if (strncmp("PASS ", fmt, 5) == 0) + printf("PASS XXXX"); + else + vfprintf(stdout, fmt, ap); + va_start(ap, fmt); + } + sec_vfprintf(cout, fmt, ap); + va_end(ap); + if(debug){ + printf("\n"); + fflush(stdout); + } + fprintf (cout, "\r\n"); + fflush (cout); + cpend = 1; + r = getreply (!strcmp (fmt, "QUIT")); + if (abrtflag && oldintr != SIG_IGN) + (*oldintr) (SIGINT); + signal (SIGINT, oldintr); + return (r); +} + +char reply_string[BUFSIZ]; /* last line of previous reply */ + +int +getreply (int expecteof) +{ + char *p; + char *lead_string; + int c; + struct sigaction sa, osa; + char buf[1024]; + + sigemptyset (&sa.sa_mask); + sa.sa_flags = 0; + sa.sa_handler = cmdabort; + sigaction (SIGINT, &sa, &osa); + + p = buf; + + while (1) { + c = getc (cin); + switch (c) { + case EOF: + if (expecteof) { + sigaction (SIGINT, &osa, NULL); + code = 221; + return 0; + } + lostpeer (0); + if (verbose) { + printf ("421 Service not available, " + "remote server has closed connection\n"); + fflush (stdout); + } + code = 421; + return (4); + case IAC: + c = getc (cin); + if (c == WILL || c == WONT) + fprintf (cout, "%c%c%c", IAC, DONT, getc (cin)); + if (c == DO || c == DONT) + fprintf (cout, "%c%c%c", IAC, WONT, getc (cin)); + continue; + case '\n': + *p++ = '\0'; + if(isdigit(buf[0])){ + sscanf(buf, "%d", &code); + if(code == 631){ + sec_read_msg(buf, prot_safe); + sscanf(buf, "%d", &code); + lead_string = "S:"; + } else if(code == 632){ + sec_read_msg(buf, prot_private); + sscanf(buf, "%d", &code); + lead_string = "P:"; + }else if(code == 633){ + sec_read_msg(buf, prot_confidential); + sscanf(buf, "%d", &code); + lead_string = "C:"; + }else if(sec_complete) + lead_string = "!!"; + else + lead_string = ""; + if (verbose > 0 || (verbose > -1 && code > 499)) + fprintf (stdout, "%s%s\n", lead_string, buf); + if (buf[3] == ' ') { + strcpy (reply_string, buf); + if (code >= 200) + cpend = 0; + sigaction (SIGINT, &osa, NULL); + if (code == 421) + lostpeer (0); +#if 1 + if (abrtflag && + osa.sa_handler != cmdabort && + osa.sa_handler != SIG_IGN) + osa.sa_handler (SIGINT); +#endif + if (code == 227 || code == 229) { + char *p, *q; + + pasv[0] = 0; + p = strchr (reply_string, '('); + if (p) { + p++; + q = strchr(p, ')'); + if(q){ + memcpy (pasv, p, q - p); + pasv[q - p] = 0; + } + } + } + return code / 100; + } + }else{ + if(verbose > 0 || (verbose > -1 && code > 499)){ + if(sec_complete) + fprintf(stdout, "!!"); + fprintf(stdout, "%s\n", buf); + } + } + p = buf; + continue; + default: + *p++ = c; + } + } + +} + + +#if 0 +int +getreply (int expecteof) +{ + int c, n; + int dig; + int originalcode = 0, continuation = 0; + sighand oldintr; + int pflag = 0; + char *cp, *pt = pasv; + + oldintr = signal (SIGINT, cmdabort); + for (;;) { + dig = n = code = 0; + cp = reply_string; + while ((c = getc (cin)) != '\n') { + if (c == IAC) { /* handle telnet commands */ + switch (c = getc (cin)) { + case WILL: + case WONT: + c = getc (cin); + fprintf (cout, "%c%c%c", IAC, DONT, c); + fflush (cout); + break; + case DO: + case DONT: + c = getc (cin); + fprintf (cout, "%c%c%c", IAC, WONT, c); + fflush (cout); + break; + default: + break; + } + continue; + } + dig++; + if (c == EOF) { + if (expecteof) { + signal (SIGINT, oldintr); + code = 221; + return (0); + } + lostpeer (0); + if (verbose) { + printf ("421 Service not available, remote server has closed connection\n"); + fflush (stdout); + } + code = 421; + return (4); + } + if (c != '\r' && (verbose > 0 || + (verbose > -1 && n == '5' && dig > 4))) { + if (proxflag && + (dig == 1 || dig == 5 && verbose == 0)) + printf ("%s:", hostname); + putchar (c); + } + if (dig < 4 && isdigit (c)) + code = code * 10 + (c - '0'); + if (!pflag && code == 227) + pflag = 1; + if (dig > 4 && pflag == 1 && isdigit (c)) + pflag = 2; + if (pflag == 2) { + if (c != '\r' && c != ')') + *pt++ = c; + else { + *pt = '\0'; + pflag = 3; + } + } + if (dig == 4 && c == '-') { + if (continuation) + code = 0; + continuation++; + } + if (n == 0) + n = c; + if (cp < &reply_string[sizeof (reply_string) - 1]) + *cp++ = c; + } + if (verbose > 0 || verbose > -1 && n == '5') { + putchar (c); + fflush (stdout); + } + if (continuation && code != originalcode) { + if (originalcode == 0) + originalcode = code; + continue; + } + *cp = '\0'; + if(sec_complete){ + if(code == 631) + sec_read_msg(reply_string, prot_safe); + else if(code == 632) + sec_read_msg(reply_string, prot_private); + else if(code == 633) + sec_read_msg(reply_string, prot_confidential); + n = code / 100 + '0'; + } + if (n != '1') + cpend = 0; + signal (SIGINT, oldintr); + if (code == 421 || originalcode == 421) + lostpeer (0); + if (abrtflag && oldintr != cmdabort && oldintr != SIG_IGN) + (*oldintr) (SIGINT); + return (n - '0'); + } +} + +#endif + +int +empty (fd_set * mask, int sec) +{ + struct timeval t; + + t.tv_sec = (long) sec; + t.tv_usec = 0; + return (select (32, mask, NULL, NULL, &t)); +} + +jmp_buf sendabort; + +static RETSIGTYPE +abortsend (int sig) +{ + + mflag = 0; + abrtflag = 0; + printf ("\nsend aborted\nwaiting for remote to finish abort\n"); + fflush (stdout); + longjmp (sendabort, 1); +} + +#define HASHBYTES 1024 + +static int +copy_stream (FILE * from, FILE * to) +{ + static size_t bufsize; + static char *buf; + int n; + int bytes = 0; + int werr = 0; + int hashbytes = HASHBYTES; + struct stat st; + +#if defined(HAVE_MMAP) && !defined(NO_MMAP) + void *chunk; + +#ifndef MAP_FAILED +#define MAP_FAILED (-1) +#endif + + if (fstat (fileno (from), &st) == 0 && S_ISREG (st.st_mode)) { + /* + * mmap zero bytes has potential of loosing, don't do it. + */ + if (st.st_size == 0) + return 0; + chunk = mmap (0, st.st_size, PROT_READ, MAP_SHARED, fileno (from), 0); + if (chunk != (void *) MAP_FAILED) { + int res; + + res = sec_write (fileno (to), chunk, st.st_size); + if (munmap (chunk, st.st_size) < 0) + warn ("munmap"); + sec_fflush (to); + return res; + } + } +#endif + + buf = alloc_buffer (buf, &bufsize, + fstat (fileno (from), &st) >= 0 ? &st : NULL); + if (buf == NULL) + return -1; + + while ((n = read (fileno (from), buf, bufsize)) > 0) { + werr = sec_write (fileno (to), buf, n); + if (werr < 0) + break; + bytes += werr; + while (hash && bytes > hashbytes) { + putchar ('#'); + hashbytes += HASHBYTES; + } + } + sec_fflush (to); + if (n < 0) + warn ("local"); + + if (werr < 0) { + if (errno != EPIPE) + warn ("netout"); + bytes = -1; + } + return bytes; +} + +void +sendrequest (char *cmd, char *local, char *remote, char *lmode, int printnames) +{ + struct stat st; + struct timeval start, stop; + int c, d; + FILE *fin, *dout = 0; + int (*closefunc) (FILE *); + RETSIGTYPE (*oldintr)(), (*oldintp)(); + long bytes = 0, hashbytes = HASHBYTES; + char *rmode = "w"; + + if (verbose && printnames) { + if (local && strcmp (local, "-") != 0) + printf ("local: %s ", local); + if (remote) + printf ("remote: %s\n", remote); + } + if (proxy) { + proxtrans (cmd, local, remote); + return; + } + if (curtype != type) + changetype (type, 0); + closefunc = NULL; + oldintr = NULL; + oldintp = NULL; + + if (setjmp (sendabort)) { + while (cpend) { + getreply (0); + } + if (data >= 0) { + close (data); + data = -1; + } + if (oldintr) + signal (SIGINT, oldintr); + if (oldintp) + signal (SIGPIPE, oldintp); + code = -1; + return; + } + oldintr = signal (SIGINT, abortsend); + if (strcmp (local, "-") == 0) + fin = stdin; + else if (*local == '|') { + oldintp = signal (SIGPIPE, SIG_IGN); + fin = popen (local + 1, lmode); + if (fin == NULL) { + warn ("%s", local + 1); + signal (SIGINT, oldintr); + signal (SIGPIPE, oldintp); + code = -1; + return; + } + closefunc = pclose; + } else { + fin = fopen (local, lmode); + if (fin == NULL) { + warn ("local: %s", local); + signal (SIGINT, oldintr); + code = -1; + return; + } + closefunc = fclose; + if (fstat (fileno (fin), &st) < 0 || + (st.st_mode & S_IFMT) != S_IFREG) { + fprintf (stdout, "%s: not a plain file.\n", local); + signal (SIGINT, oldintr); + fclose (fin); + code = -1; + return; + } + } + if (initconn ()) { + signal (SIGINT, oldintr); + if (oldintp) + signal (SIGPIPE, oldintp); + code = -1; + if (closefunc != NULL) + (*closefunc) (fin); + return; + } + if (setjmp (sendabort)) + goto abort; + + if (restart_point && + (strcmp (cmd, "STOR") == 0 || strcmp (cmd, "APPE") == 0)) { + int rc; + + switch (curtype) { + case TYPE_A: + rc = fseek (fin, (long) restart_point, SEEK_SET); + break; + case TYPE_I: + case TYPE_L: + rc = lseek (fileno (fin), restart_point, SEEK_SET); + break; + } + if (rc < 0) { + warn ("local: %s", local); + restart_point = 0; + if (closefunc != NULL) + (*closefunc) (fin); + return; + } + if (command ("REST %ld", (long) restart_point) + != CONTINUE) { + restart_point = 0; + if (closefunc != NULL) + (*closefunc) (fin); + return; + } + restart_point = 0; + rmode = "r+w"; + } + if (remote) { + if (command ("%s %s", cmd, remote) != PRELIM) { + signal (SIGINT, oldintr); + if (oldintp) + signal (SIGPIPE, oldintp); + if (closefunc != NULL) + (*closefunc) (fin); + return; + } + } else if (command ("%s", cmd) != PRELIM) { + signal(SIGINT, oldintr); + if (oldintp) + signal(SIGPIPE, oldintp); + if (closefunc != NULL) + (*closefunc)(fin); + return; + } + dout = dataconn(rmode); + if (dout == NULL) + goto abort; + set_buffer_size (fileno (dout), 0); + gettimeofday (&start, (struct timezone *) 0); + oldintp = signal (SIGPIPE, SIG_IGN); + switch (curtype) { + + case TYPE_I: + case TYPE_L: + errno = d = c = 0; + bytes = copy_stream (fin, dout); + break; + + case TYPE_A: + while ((c = getc (fin)) != EOF) { + if (c == '\n') { + while (hash && (bytes >= hashbytes)) { + putchar ('#'); + fflush (stdout); + hashbytes += HASHBYTES; + } + if (ferror (dout)) + break; + sec_putc ('\r', dout); + bytes++; + } + sec_putc (c, dout); + bytes++; + } + sec_fflush (dout); + if (hash) { + if (bytes < hashbytes) + putchar ('#'); + putchar ('\n'); + fflush (stdout); + } + if (ferror (fin)) + warn ("local: %s", local); + if (ferror (dout)) { + if (errno != EPIPE) + warn ("netout"); + bytes = -1; + } + break; + } + if (closefunc != NULL) + (*closefunc) (fin); + fclose (dout); + gettimeofday (&stop, (struct timezone *) 0); + getreply (0); + signal (SIGINT, oldintr); + if (oldintp) + signal (SIGPIPE, oldintp); + if (bytes > 0) + ptransfer ("sent", bytes, &start, &stop); + return; +abort: + signal (SIGINT, oldintr); + if (oldintp) + signal (SIGPIPE, oldintp); + if (!cpend) { + code = -1; + return; + } + if (data >= 0) { + close (data); + data = -1; + } + if (dout) + fclose (dout); + getreply (0); + code = -1; + if (closefunc != NULL && fin != NULL) + (*closefunc) (fin); + gettimeofday (&stop, (struct timezone *) 0); + if (bytes > 0) + ptransfer ("sent", bytes, &start, &stop); +} + +jmp_buf recvabort; + +void +abortrecv (int sig) +{ + + mflag = 0; + abrtflag = 0; + printf ("\nreceive aborted\nwaiting for remote to finish abort\n"); + fflush (stdout); + longjmp (recvabort, 1); +} + +void +recvrequest (char *cmd, char *local, char *remote, + char *lmode, int printnames, int local_given) +{ + FILE *fout, *din = 0; + int (*closefunc) (FILE *); + sighand oldintr, oldintp; + int c, d, is_retr, tcrflag, bare_lfs = 0; + static size_t bufsize; + static char *buf; + long bytes = 0, hashbytes = HASHBYTES; + struct timeval start, stop; + struct stat st; + + is_retr = strcmp (cmd, "RETR") == 0; + if (is_retr && verbose && printnames) { + if (local && strcmp (local, "-") != 0) + printf ("local: %s ", local); + if (remote) + printf ("remote: %s\n", remote); + } + if (proxy && is_retr) { + proxtrans (cmd, local, remote); + return; + } + closefunc = NULL; + oldintr = NULL; + oldintp = NULL; + tcrflag = !crflag && is_retr; + if (setjmp (recvabort)) { + while (cpend) { + getreply (0); + } + if (data >= 0) { + close (data); + data = -1; + } + if (oldintr) + signal (SIGINT, oldintr); + code = -1; + return; + } + oldintr = signal (SIGINT, abortrecv); + if (!local_given || (strcmp (local, "-") && *local != '|')) { + if (access (local, 2) < 0) { + char *dir = strrchr (local, '/'); + + if (errno != ENOENT && errno != EACCES) { + warn ("local: %s", local); + signal (SIGINT, oldintr); + code = -1; + return; + } + if (dir != NULL) + *dir = 0; + d = access (dir ? local : ".", 2); + if (dir != NULL) + *dir = '/'; + if (d < 0) { + warn ("local: %s", local); + signal (SIGINT, oldintr); + code = -1; + return; + } + if (!runique && errno == EACCES && + chmod (local, 0600) < 0) { + warn ("local: %s", local); + signal (SIGINT, oldintr); + signal (SIGINT, oldintr); + code = -1; + return; + } + if (runique && errno == EACCES && + (local = gunique (local)) == NULL) { + signal (SIGINT, oldintr); + code = -1; + return; + } + } else if (runique && (local = gunique (local)) == NULL) { + signal(SIGINT, oldintr); + code = -1; + return; + } + } + if (!is_retr) { + if (curtype != TYPE_A) + changetype (TYPE_A, 0); + } else if (curtype != type) + changetype (type, 0); + if (initconn ()) { + signal (SIGINT, oldintr); + code = -1; + return; + } + if (setjmp (recvabort)) + goto abort; + if (is_retr && restart_point && + command ("REST %ld", (long) restart_point) != CONTINUE) + return; + if (remote) { + if (command ("%s %s", cmd, remote) != PRELIM) { + signal (SIGINT, oldintr); + return; + } + } else { + if (command ("%s", cmd) != PRELIM) { + signal (SIGINT, oldintr); + return; + } + } + din = dataconn ("r"); + if (din == NULL) + goto abort; + set_buffer_size (fileno (din), 1); + if (local_given && strcmp (local, "-") == 0) + fout = stdout; + else if (local_given && *local == '|') { + oldintp = signal (SIGPIPE, SIG_IGN); + fout = popen (local + 1, "w"); + if (fout == NULL) { + warn ("%s", local + 1); + goto abort; + } + closefunc = pclose; + } else { + fout = fopen (local, lmode); + if (fout == NULL) { + warn ("local: %s", local); + goto abort; + } + closefunc = fclose; + } + buf = alloc_buffer (buf, &bufsize, + fstat (fileno (fout), &st) >= 0 ? &st : NULL); + if (buf == NULL) + goto abort; + + gettimeofday (&start, (struct timezone *) 0); + switch (curtype) { + + case TYPE_I: + case TYPE_L: + if (restart_point && + lseek (fileno (fout), restart_point, SEEK_SET) < 0) { + warn ("local: %s", local); + if (closefunc != NULL) + (*closefunc) (fout); + return; + } + errno = d = 0; + while ((c = sec_read (fileno (din), buf, bufsize)) > 0) { + if ((d = write (fileno (fout), buf, c)) != c) + break; + bytes += c; + if (hash) { + while (bytes >= hashbytes) { + putchar ('#'); + hashbytes += HASHBYTES; + } + fflush (stdout); + } + } + if (hash && bytes > 0) { + if (bytes < HASHBYTES) + putchar ('#'); + putchar ('\n'); + fflush (stdout); + } + if (c < 0) { + if (errno != EPIPE) + warn ("netin"); + bytes = -1; + } + if (d < c) { + if (d < 0) + warn ("local: %s", local); + else + warnx ("%s: short write", local); + } + break; + + case TYPE_A: + if (restart_point) { + int i, n, ch; + + if (fseek (fout, 0L, SEEK_SET) < 0) + goto done; + n = restart_point; + for (i = 0; i++ < n;) { + if ((ch = sec_getc (fout)) == EOF) + goto done; + if (ch == '\n') + i++; + } + if (fseek (fout, 0L, SEEK_CUR) < 0) { + done: + warn ("local: %s", local); + if (closefunc != NULL) + (*closefunc) (fout); + return; + } + } + while ((c = sec_getc(din)) != EOF) { + if (c == '\n') + bare_lfs++; + while (c == '\r') { + while (hash && (bytes >= hashbytes)) { + putchar ('#'); + fflush (stdout); + hashbytes += HASHBYTES; + } + bytes++; + if ((c = sec_getc (din)) != '\n' || tcrflag) { + if (ferror (fout)) + goto break2; + putc ('\r', fout); + if (c == '\0') { + bytes++; + goto contin2; + } + if (c == EOF) + goto contin2; + } + } + putc (c, fout); + bytes++; + contin2:; + } +break2: + if (bare_lfs) { + printf ("WARNING! %d bare linefeeds received in ASCII mode\n", + bare_lfs); + printf ("File may not have transferred correctly.\n"); + } + if (hash) { + if (bytes < hashbytes) + putchar ('#'); + putchar ('\n'); + fflush (stdout); + } + if (ferror (din)) { + if (errno != EPIPE) + warn ("netin"); + bytes = -1; + } + if (ferror (fout)) + warn ("local: %s", local); + break; + } + if (closefunc != NULL) + (*closefunc) (fout); + signal (SIGINT, oldintr); + if (oldintp) + signal (SIGPIPE, oldintp); + fclose (din); + gettimeofday (&stop, (struct timezone *) 0); + getreply (0); + if (bytes > 0 && is_retr) + ptransfer ("received", bytes, &start, &stop); + return; +abort: + + /* abort using RFC959 recommended IP,SYNC sequence */ + + if (oldintp) + signal (SIGPIPE, oldintr); + signal (SIGINT, SIG_IGN); + if (!cpend) { + code = -1; + signal (SIGINT, oldintr); + return; + } + abort_remote(din); + code = -1; + if (data >= 0) { + close (data); + data = -1; + } + if (closefunc != NULL && fout != NULL) + (*closefunc) (fout); + if (din) + fclose (din); + gettimeofday (&stop, (struct timezone *) 0); + if (bytes > 0) + ptransfer ("received", bytes, &start, &stop); + signal (SIGINT, oldintr); +} + +static int +parse_epsv (const char *str) +{ + char sep; + char *end; + int port; + + if (*str == '\0') + return -1; + sep = *str++; + if (sep != *str++) + return -1; + if (sep != *str++) + return -1; + port = strtol (str, &end, 0); + if (str == end) + return -1; + if (end[0] != sep || end[1] != '\0') + return -1; + return htons(port); +} + +static int +parse_pasv (struct sockaddr_in *sin, const char *str) +{ + int a0, a1, a2, a3, p0, p1; + + /* + * What we've got at this point is a string of comma separated + * one-byte unsigned integer values. The first four are the an IP + * address. The fifth is the MSB of the port number, the sixth is the + * LSB. From that we'll prepare a sockaddr_in. + */ + + if (sscanf (str, "%d,%d,%d,%d,%d,%d", + &a0, &a1, &a2, &a3, &p0, &p1) != 6) { + printf ("Passive mode address scan failure. " + "Shouldn't happen!\n"); + return -1; + } + if (a0 < 0 || a0 > 255 || + a1 < 0 || a1 > 255 || + a2 < 0 || a2 > 255 || + a3 < 0 || a3 > 255 || + p0 < 0 || p0 > 255 || + p1 < 0 || p1 > 255) { + printf ("Can't parse passive mode string.\n"); + return -1; + } + memset (sin, 0, sizeof(*sin)); + sin->sin_family = AF_INET; + sin->sin_addr.s_addr = htonl ((a0 << 24) | (a1 << 16) | + (a2 << 8) | a3); + sin->sin_port = htons ((p0 << 8) | p1); + return 0; +} + +static int +passive_mode (void) +{ + int port; + + data = socket (myctladdr->sa_family, SOCK_STREAM, 0); + if (data < 0) { + warn ("socket"); + return (1); + } + if (options & SO_DEBUG) + socket_set_debug (data); + if (command ("EPSV") != COMPLETE) { + if (command ("PASV") != COMPLETE) { + printf ("Passive mode refused.\n"); + goto bad; + } + } + + /* + * Parse the reply to EPSV or PASV + */ + + port = parse_epsv (pasv); + if (port > 0) { + data_addr->sa_family = myctladdr->sa_family; + socket_set_address_and_port (data_addr, + socket_get_address (hisctladdr), + port); + } else { + if (parse_pasv ((struct sockaddr_in *)data_addr, pasv) < 0) + goto bad; + } + + if (connect (data, data_addr, socket_sockaddr_size (data_addr)) < 0) { + warn ("connect"); + goto bad; + } +#ifdef IPTOS_THROUGHPUT + socket_set_tos (data, IPTOS_THROUGHPUT); +#endif + return (0); +bad: + close (data); + data = -1; + sendport = 1; + return (1); +} + + +static int +active_mode (void) +{ + int tmpno = 0; + int len; + int result; + +noport: + data_addr->sa_family = myctladdr->sa_family; + socket_set_address_and_port (data_addr, socket_get_address (myctladdr), + sendport ? 0 : socket_get_port (myctladdr)); + + if (data != -1) + close (data); + data = socket (data_addr->sa_family, SOCK_STREAM, 0); + if (data < 0) { + warn ("socket"); + if (tmpno) + sendport = 1; + return (1); + } + if (!sendport) + socket_set_reuseaddr (data, 1); + if (bind (data, data_addr, socket_sockaddr_size (data_addr)) < 0) { + warn ("bind"); + goto bad; + } + if (options & SO_DEBUG) + socket_set_debug (data); + len = sizeof (data_addr_ss); + if (getsockname (data, data_addr, &len) < 0) { + warn ("getsockname"); + goto bad; + } + if (listen (data, 1) < 0) + warn ("listen"); + if (sendport) { + char *cmd; + char addr_str[256]; + int inet_af; + int overbose; + + if (inet_ntop (data_addr->sa_family, socket_get_address (data_addr), + addr_str, sizeof(addr_str)) == NULL) + errx (1, "inet_ntop failed"); + switch (data_addr->sa_family) { + case AF_INET : + inet_af = 1; + break; +#ifdef HAVE_IPV6 + case AF_INET6 : + inet_af = 2; + break; +#endif + default : + errx (1, "bad address family %d", data_addr->sa_family); + } + + asprintf (&cmd, "EPRT |%d|%s|%d|", + inet_af, addr_str, ntohs(socket_get_port (data_addr))); + + overbose = verbose; + if (debug == 0) + verbose = -1; + + result = command (cmd); + + verbose = overbose; + + if (result == ERROR) { + struct sockaddr_in *sin = (struct sockaddr_in *)data_addr; + + unsigned int a = ntohl(sin->sin_addr.s_addr); + unsigned int p = ntohs(sin->sin_port); + + if (data_addr->sa_family != AF_INET) { + warnx ("remote server doesn't support EPRT"); + goto bad; + } + + result = command("PORT %d,%d,%d,%d,%d,%d", + (a >> 24) & 0xff, + (a >> 16) & 0xff, + (a >> 8) & 0xff, + a & 0xff, + (p >> 8) & 0xff, + p & 0xff); + if (result == ERROR && sendport == -1) { + sendport = 0; + tmpno = 1; + goto noport; + } + return (result != COMPLETE); + } + return result != COMPLETE; + } + if (tmpno) + sendport = 1; + + +#ifdef IPTOS_THROUGHPUT + socket_set_tos (data, IPTOS_THROUGHPUT); +#endif + return (0); +bad: + close (data); + data = -1; + if (tmpno) + sendport = 1; + return (1); +} + +/* + * Need to start a listen on the data channel before we send the command, + * otherwise the server's connect may fail. + */ +int +initconn (void) +{ + if (passivemode) + return passive_mode (); + else + return active_mode (); +} + +FILE * +dataconn (const char *lmode) +{ + struct sockaddr_storage from_ss; + struct sockaddr *from = (struct sockaddr *)&from_ss; + int s, fromlen = sizeof (from_ss); + + if (passivemode) + return (fdopen (data, lmode)); + + s = accept (data, from, &fromlen); + if (s < 0) { + warn ("accept"); + close (data), data = -1; + return (NULL); + } + close (data); + data = s; +#ifdef IPTOS_THROUGHPUT + socket_set_tos (s, IPTOS_THROUGHPUT); +#endif + return (fdopen (data, lmode)); +} + +void +ptransfer (char *direction, long int bytes, + struct timeval * t0, struct timeval * t1) +{ + struct timeval td; + float s; + float bs; + int prec; + char *unit; + + if (verbose) { + td.tv_sec = t1->tv_sec - t0->tv_sec; + td.tv_usec = t1->tv_usec - t0->tv_usec; + if (td.tv_usec < 0) { + td.tv_sec--; + td.tv_usec += 1000000; + } + s = td.tv_sec + (td.tv_usec / 1000000.); + bs = bytes / (s ? s : 1); + if (bs >= 1048576) { + bs /= 1048576; + unit = "M"; + prec = 2; + } else if (bs >= 1024) { + bs /= 1024; + unit = "k"; + prec = 1; + } else { + unit = ""; + prec = 0; + } + + printf ("%ld bytes %s in %.3g seconds (%.*f %sbyte/s)\n", + bytes, direction, s, prec, bs, unit); + } +} + +void +psabort (int sig) +{ + + abrtflag++; +} + +void +pswitch (int flag) +{ + sighand oldintr; + static struct comvars { + int connect; + char name[MaxHostNameLen]; + struct sockaddr_storage mctl; + struct sockaddr_storage hctl; + FILE *in; + FILE *out; + int tpe; + int curtpe; + int cpnd; + int sunqe; + int runqe; + int mcse; + int ntflg; + char nti[17]; + char nto[17]; + int mapflg; + char mi[MaxPathLen]; + char mo[MaxPathLen]; + } proxstruct, tmpstruct; + struct comvars *ip, *op; + + abrtflag = 0; + oldintr = signal (SIGINT, psabort); + if (flag) { + if (proxy) + return; + ip = &tmpstruct; + op = &proxstruct; + proxy++; + } else { + if (!proxy) + return; + ip = &proxstruct; + op = &tmpstruct; + proxy = 0; + } + ip->connect = connected; + connected = op->connect; + if (hostname) { + strlcpy (ip->name, hostname, sizeof (ip->name)); + } else + ip->name[0] = 0; + hostname = op->name; + ip->hctl = hisctladdr_ss; + hisctladdr_ss = op->hctl; + ip->mctl = myctladdr_ss; + myctladdr_ss = op->mctl; + ip->in = cin; + cin = op->in; + ip->out = cout; + cout = op->out; + ip->tpe = type; + type = op->tpe; + ip->curtpe = curtype; + curtype = op->curtpe; + ip->cpnd = cpend; + cpend = op->cpnd; + ip->sunqe = sunique; + sunique = op->sunqe; + ip->runqe = runique; + runique = op->runqe; + ip->mcse = mcase; + mcase = op->mcse; + ip->ntflg = ntflag; + ntflag = op->ntflg; + strlcpy (ip->nti, ntin, sizeof (ip->nti)); + strlcpy (ntin, op->nti, 17); + strlcpy (ip->nto, ntout, sizeof (ip->nto)); + strlcpy (ntout, op->nto, 17); + ip->mapflg = mapflag; + mapflag = op->mapflg; + strlcpy (ip->mi, mapin, MaxPathLen); + strlcpy (mapin, op->mi, MaxPathLen); + strlcpy (ip->mo, mapout, MaxPathLen); + strlcpy (mapout, op->mo, MaxPathLen); + signal(SIGINT, oldintr); + if (abrtflag) { + abrtflag = 0; + (*oldintr) (SIGINT); + } +} + +void +abortpt (int sig) +{ + + printf ("\n"); + fflush (stdout); + ptabflg++; + mflag = 0; + abrtflag = 0; + longjmp (ptabort, 1); +} + +void +proxtrans (char *cmd, char *local, char *remote) +{ + sighand oldintr; + int secndflag = 0, prox_type, nfnd; + char *cmd2; + fd_set mask; + + if (strcmp (cmd, "RETR")) + cmd2 = "RETR"; + else + cmd2 = runique ? "STOU" : "STOR"; + if ((prox_type = type) == 0) { + if (unix_server && unix_proxy) + prox_type = TYPE_I; + else + prox_type = TYPE_A; + } + if (curtype != prox_type) + changetype (prox_type, 1); + if (command ("PASV") != COMPLETE) { + printf ("proxy server does not support third party transfers.\n"); + return; + } + pswitch (0); + if (!connected) { + printf ("No primary connection\n"); + pswitch (1); + code = -1; + return; + } + if (curtype != prox_type) + changetype (prox_type, 1); + if (command ("PORT %s", pasv) != COMPLETE) { + pswitch (1); + return; + } + if (setjmp (ptabort)) + goto abort; + oldintr = signal (SIGINT, abortpt); + if (command ("%s %s", cmd, remote) != PRELIM) { + signal (SIGINT, oldintr); + pswitch (1); + return; + } + sleep (2); + pswitch (1); + secndflag++; + if (command ("%s %s", cmd2, local) != PRELIM) + goto abort; + ptflag++; + getreply (0); + pswitch (0); + getreply (0); + signal (SIGINT, oldintr); + pswitch (1); + ptflag = 0; + printf ("local: %s remote: %s\n", local, remote); + return; +abort: + signal (SIGINT, SIG_IGN); + ptflag = 0; + if (strcmp (cmd, "RETR") && !proxy) + pswitch (1); + else if (!strcmp (cmd, "RETR") && proxy) + pswitch (0); + if (!cpend && !secndflag) { /* only here if cmd = "STOR" (proxy=1) */ + if (command ("%s %s", cmd2, local) != PRELIM) { + pswitch (0); + if (cpend) + abort_remote ((FILE *) NULL); + } + pswitch (1); + if (ptabflg) + code = -1; + signal (SIGINT, oldintr); + return; + } + if (cpend) + abort_remote ((FILE *) NULL); + pswitch (!proxy); + if (!cpend && !secndflag) { /* only if cmd = "RETR" (proxy=1) */ + if (command ("%s %s", cmd2, local) != PRELIM) { + pswitch (0); + if (cpend) + abort_remote ((FILE *) NULL); + pswitch (1); + if (ptabflg) + code = -1; + signal (SIGINT, oldintr); + return; + } + } + if (cpend) + abort_remote ((FILE *) NULL); + pswitch (!proxy); + if (cpend) { + FD_ZERO (&mask); + FD_SET (fileno (cin), &mask); + if ((nfnd = empty (&mask, 10)) <= 0) { + if (nfnd < 0) { + warn ("abort"); + } + if (ptabflg) + code = -1; + lostpeer (0); + } + getreply (0); + getreply (0); + } + if (proxy) + pswitch (0); + pswitch (1); + if (ptabflg) + code = -1; + signal (SIGINT, oldintr); +} + +void +reset (int argc, char **argv) +{ + fd_set mask; + int nfnd = 1; + + FD_ZERO (&mask); + while (nfnd > 0) { + FD_SET (fileno (cin), &mask); + if ((nfnd = empty (&mask, 0)) < 0) { + warn ("reset"); + code = -1; + lostpeer(0); + } else if (nfnd) { + getreply(0); + } + } +} + +char * +gunique (char *local) +{ + static char new[MaxPathLen]; + char *cp = strrchr (local, '/'); + int d, count = 0; + char ext = '1'; + + if (cp) + *cp = '\0'; + d = access (cp ? local : ".", 2); + if (cp) + *cp = '/'; + if (d < 0) { + warn ("local: %s", local); + return NULL; + } + strlcpy (new, local, sizeof(new)); + cp = new + strlen(new); + *cp++ = '.'; + while (!d) { + if (++count == 100) { + printf ("runique: can't find unique file name.\n"); + return NULL; + } + *cp++ = ext; + *cp = '\0'; + if (ext == '9') + ext = '0'; + else + ext++; + if ((d = access (new, 0)) < 0) + break; + if (ext != '0') + cp--; + else if (*(cp - 2) == '.') + *(cp - 1) = '1'; + else { + *(cp - 2) = *(cp - 2) + 1; + cp--; + } + } + return (new); +} + +void +abort_remote (FILE * din) +{ + char buf[BUFSIZ]; + int nfnd; + fd_set mask; + + /* + * send IAC in urgent mode instead of DM because 4.3BSD places oob mark + * after urgent byte rather than before as is protocol now + */ + snprintf (buf, sizeof (buf), "%c%c%c", IAC, IP, IAC); + if (send (fileno (cout), buf, 3, MSG_OOB) != 3) + warn ("abort"); + fprintf (cout, "%cABOR\r\n", DM); + fflush (cout); + FD_ZERO (&mask); + FD_SET (fileno (cin), &mask); + if (din) { + FD_SET (fileno (din), &mask); + } + if ((nfnd = empty (&mask, 10)) <= 0) { + if (nfnd < 0) { + warn ("abort"); + } + if (ptabflg) + code = -1; + lostpeer (0); + } + if (din && FD_ISSET (fileno (din), &mask)) { + while (read (fileno (din), buf, BUFSIZ) > 0) + /* LOOP */ ; + } + if (getreply (0) == ERROR && code == 552) { + /* 552 needed for nic style abort */ + getreply (0); + } + getreply (0); +} diff --git a/crypto/heimdal/appl/ftp/ftp/ftp_locl.h b/crypto/heimdal/appl/ftp/ftp/ftp_locl.h new file mode 100644 index 0000000..49c2b2f --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftp/ftp_locl.h @@ -0,0 +1,139 @@ +/* + * Copyright (c) 1995, 1996, 1997, 1998 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* $Id: ftp_locl.h,v 1.34 1999/12/02 16:58:29 joda Exp $ */ + +#ifndef __FTP_LOCL_H__ +#define __FTP_LOCL_H__ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#ifdef HAVE_PWD_H +#include <pwd.h> +#endif +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdarg.h> +#include <string.h> +#ifdef TIME_WITH_SYS_TIME +#include <sys/time.h> +#include <time.h> +#elif defined(HAVE_SYS_TIME_H) +#include <sys/time.h> +#else +#include <time.h> +#endif +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif + +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_PARAM_H +#include <sys/param.h> +#endif +#ifdef HAVE_SYS_RESOURCE_H +#include <sys/resource.h> +#endif +#ifdef HAVE_SYS_WAIT_H +#include <sys/wait.h> +#endif +#ifdef HAVE_SYS_STAT_H +#include <sys/stat.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif + +#ifdef HAVE_NETINET_IN_H +#include <netinet/in.h> +#endif +#ifdef HAVE_NETINET_IN_SYSTM_H +#include <netinet/in_systm.h> +#endif +#ifdef HAVE_NETINET_IP_H +#include <netinet/ip.h> +#endif + +#ifdef HAVE_ARPA_FTP_H +#include <arpa/ftp.h> +#endif +#ifdef HAVE_ARPA_INET_H +#include <arpa/inet.h> +#endif +#ifdef HAVE_ARPA_TELNET_H +#include <arpa/telnet.h> +#endif + +#include <errno.h> +#include <ctype.h> +#include <glob.h> +#ifdef HAVE_NETDB_H +#include <netdb.h> +#endif + +#ifdef HAVE_SYS_MMAN_H +#include <sys/mman.h> +#endif + +#include <err.h> + +#ifdef SOCKS +#include <socks.h> +extern int LIBPREFIX(fclose) (FILE *); + +/* This doesn't belong here. */ +struct tm *localtime(const time_t *); +struct hostent *gethostbyname(const char *); + +#endif + +#include "ftp_var.h" +#include "extern.h" +#include "common.h" +#include "pathnames.h" + +#include "roken.h" +#include "security.h" +#include <des.h> /* for des_read_pw_string */ + +#if defined(__sun__) && !defined(__svr4) +int fclose(FILE*); +int pclose(FILE*); +#endif + +#endif /* __FTP_LOCL_H__ */ diff --git a/crypto/heimdal/appl/ftp/ftp/ftp_var.h b/crypto/heimdal/appl/ftp/ftp/ftp_var.h new file mode 100644 index 0000000..ffac59a --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftp/ftp_var.h @@ -0,0 +1,127 @@ +/* + * Copyright (c) 1985, 1989, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)ftp_var.h 8.4 (Berkeley) 10/9/94 + */ + +/* + * FTP global variables. + */ + +#ifdef HAVE_SYS_PARAM_H +#include <sys/param.h> +#endif +#include <setjmp.h> + +/* + * Options and other state info. + */ +extern int trace; /* trace packets exchanged */ +extern int hash; /* print # for each buffer transferred */ +extern int sendport; /* use PORT cmd for each data connection */ +extern int verbose; /* print messages coming back from server */ +extern int connected; /* connected to server */ +extern int fromatty; /* input is from a terminal */ +extern int interactive; /* interactively prompt on m* cmds */ +extern int debug; /* debugging level */ +extern int bell; /* ring bell on cmd completion */ +extern int doglob; /* glob local file names */ +extern int autologin; /* establish user account on connection */ +extern int proxy; /* proxy server connection active */ +extern int proxflag; /* proxy connection exists */ +extern int sunique; /* store files on server with unique name */ +extern int runique; /* store local files with unique name */ +extern int mcase; /* map upper to lower case for mget names */ +extern int ntflag; /* use ntin ntout tables for name translation */ +extern int mapflag; /* use mapin mapout templates on file names */ +extern int code; /* return/reply code for ftp command */ +extern int crflag; /* if 1, strip car. rets. on ascii gets */ +extern char pasv[64]; /* passive port for proxy data connection */ +extern int passivemode; /* passive mode enabled */ +extern char *altarg; /* argv[1] with no shell-like preprocessing */ +extern char ntin[17]; /* input translation table */ +extern char ntout[17]; /* output translation table */ +extern char mapin[MaxPathLen]; /* input map template */ +extern char mapout[MaxPathLen]; /* output map template */ +extern char typename[32]; /* name of file transfer type */ +extern int type; /* requested file transfer type */ +extern int curtype; /* current file transfer type */ +extern char structname[32]; /* name of file transfer structure */ +extern int stru; /* file transfer structure */ +extern char formname[32]; /* name of file transfer format */ +extern int form; /* file transfer format */ +extern char modename[32]; /* name of file transfer mode */ +extern int mode; /* file transfer mode */ +extern char bytename[32]; /* local byte size in ascii */ +extern int bytesize; /* local byte size in binary */ + +extern char *hostname; /* name of host connected to */ +extern int unix_server; /* server is unix, can use binary for ascii */ +extern int unix_proxy; /* proxy is unix, can use binary for ascii */ + +extern jmp_buf toplevel; /* non-local goto stuff for cmd scanner */ + +extern char line[200]; /* input line buffer */ +extern char *stringbase; /* current scan point in line buffer */ +extern char argbuf[200]; /* argument storage buffer */ +extern char *argbase; /* current storage point in arg buffer */ +extern int margc; /* count of arguments on input line */ +extern char **margv; /* args parsed from input line */ +extern int margvlen; /* how large margv is currently */ +extern int cpend; /* flag: if != 0, then pending server reply */ +extern int mflag; /* flag: if != 0, then active multi command */ + +extern int options; /* used during socket creation */ + +/* + * Format of command table. + */ +struct cmd { + char *c_name; /* name of command */ + char *c_help; /* help string */ + char c_bell; /* give bell when command completes */ + char c_conn; /* must be connected to use command */ + char c_proxy; /* proxy server may execute */ + void (*c_handler) (int, char **); /* function to call */ +}; + +struct macel { + char mac_name[9]; /* macro name */ + char *mac_start; /* start of macro in macbuf */ + char *mac_end; /* end of macro in macbuf */ +}; + +extern int macnum; /* number of defined macros */ +extern struct macel macros[16]; +extern char macbuf[4096]; + + diff --git a/crypto/heimdal/appl/ftp/ftp/globals.c b/crypto/heimdal/appl/ftp/ftp/globals.c new file mode 100644 index 0000000..7199e65 --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftp/globals.c @@ -0,0 +1,76 @@ +#include "ftp_locl.h" +RCSID("$Id: globals.c,v 1.6 1996/08/26 22:46:26 assar Exp $"); + +/* + * Options and other state info. + */ +int trace; /* trace packets exchanged */ +int hash; /* print # for each buffer transferred */ +int sendport; /* use PORT cmd for each data connection */ +int verbose; /* print messages coming back from server */ +int connected; /* connected to server */ +int fromatty; /* input is from a terminal */ +int interactive; /* interactively prompt on m* cmds */ +int debug; /* debugging level */ +int bell; /* ring bell on cmd completion */ +int doglob; /* glob local file names */ +int autologin; /* establish user account on connection */ +int proxy; /* proxy server connection active */ +int proxflag; /* proxy connection exists */ +int sunique; /* store files on server with unique name */ +int runique; /* store local files with unique name */ +int mcase; /* map upper to lower case for mget names */ +int ntflag; /* use ntin ntout tables for name translation */ +int mapflag; /* use mapin mapout templates on file names */ +int code; /* return/reply code for ftp command */ +int crflag; /* if 1, strip car. rets. on ascii gets */ +char pasv[64]; /* passive port for proxy data connection */ +int passivemode; /* passive mode enabled */ +char *altarg; /* argv[1] with no shell-like preprocessing */ +char ntin[17]; /* input translation table */ +char ntout[17]; /* output translation table */ +char mapin[MaxPathLen]; /* input map template */ +char mapout[MaxPathLen]; /* output map template */ +char typename[32]; /* name of file transfer type */ +int type; /* requested file transfer type */ +int curtype; /* current file transfer type */ +char structname[32]; /* name of file transfer structure */ +int stru; /* file transfer structure */ +char formname[32]; /* name of file transfer format */ +int form; /* file transfer format */ +char modename[32]; /* name of file transfer mode */ +int mode; /* file transfer mode */ +char bytename[32]; /* local byte size in ascii */ +int bytesize; /* local byte size in binary */ + +char *hostname; /* name of host connected to */ +int unix_server; /* server is unix, can use binary for ascii */ +int unix_proxy; /* proxy is unix, can use binary for ascii */ + +jmp_buf toplevel; /* non-local goto stuff for cmd scanner */ + +char line[200]; /* input line buffer */ +char *stringbase; /* current scan point in line buffer */ +char argbuf[200]; /* argument storage buffer */ +char *argbase; /* current storage point in arg buffer */ +int margc; /* count of arguments on input line */ +char **margv; /* args parsed from input line */ +int margvlen; /* how large margv is currently */ +int cpend; /* flag: if != 0, then pending server reply */ +int mflag; /* flag: if != 0, then active multi command */ + +int options; /* used during socket creation */ + +/* + * Format of command table. + */ + +int macnum; /* number of defined macros */ +struct macel macros[16]; +char macbuf[4096]; + +char username[32]; + +/* these are set in ruserpass */ +char myhostname[MaxHostNameLen]; +char *mydomain; diff --git a/crypto/heimdal/appl/ftp/ftp/gssapi.c b/crypto/heimdal/appl/ftp/ftp/gssapi.c new file mode 100644 index 0000000..d06b5d6 --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftp/gssapi.c @@ -0,0 +1,379 @@ +/* + * Copyright (c) 1998, 1999 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifdef FTP_SERVER +#include "ftpd_locl.h" +#else +#include "ftp_locl.h" +#endif +#include <gssapi.h> + +RCSID("$Id: gssapi.c,v 1.13 1999/12/02 16:58:29 joda Exp $"); + +struct gss_data { + gss_ctx_id_t context_hdl; + char *client_name; +}; + +static int +gss_init(void *app_data) +{ + struct gss_data *d = app_data; + d->context_hdl = GSS_C_NO_CONTEXT; + return 0; +} + +static int +gss_check_prot(void *app_data, int level) +{ + if(level == prot_confidential) + return -1; + return 0; +} + +static int +gss_decode(void *app_data, void *buf, int len, int level) +{ + OM_uint32 maj_stat, min_stat; + gss_buffer_desc input, output; + gss_qop_t qop_state; + int conf_state; + struct gss_data *d = app_data; + + input.length = len; + input.value = buf; + maj_stat = gss_unwrap (&min_stat, + d->context_hdl, + &input, + &output, + &conf_state, + &qop_state); + if(GSS_ERROR(maj_stat)) + return -1; + memmove(buf, output.value, output.length); + return output.length; +} + +static int +gss_overhead(void *app_data, int level, int len) +{ + return 100; /* dunno? */ +} + + +static int +gss_encode(void *app_data, void *from, int length, int level, void **to) +{ + OM_uint32 maj_stat, min_stat; + gss_buffer_desc input, output; + int conf_state; + struct gss_data *d = app_data; + + input.length = length; + input.value = from; + maj_stat = gss_wrap (&min_stat, + d->context_hdl, + level == prot_private, + GSS_C_QOP_DEFAULT, + &input, + &conf_state, + &output); + *to = output.value; + return output.length; +} + +static void +sockaddr_to_gss_address (const struct sockaddr *sa, + OM_uint32 *addr_type, + gss_buffer_desc *gss_addr) +{ + switch (sa->sa_family) { +#ifdef HAVE_IPV6 + case AF_INET6 : { + struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sa; + + gss_addr->length = 16; + gss_addr->value = &sin6->sin6_addr; + *addr_type = GSS_C_AF_INET6; + break; + } +#endif + case AF_INET : { + struct sockaddr_in *sin = (struct sockaddr_in *)sa; + + gss_addr->length = 4; + gss_addr->value = &sin->sin_addr; + *addr_type = GSS_C_AF_INET; + break; + } + default : + errx (1, "unknown address family %d", sa->sa_family); + + } +} + +/* end common stuff */ + +#ifdef FTP_SERVER + +static int +gss_adat(void *app_data, void *buf, size_t len) +{ + char *p = NULL; + gss_buffer_desc input_token, output_token; + OM_uint32 maj_stat, min_stat; + gss_name_t client_name; + struct gss_data *d = app_data; + + gss_channel_bindings_t bindings = malloc(sizeof(*bindings)); + sockaddr_to_gss_address (his_addr, + &bindings->initiator_addrtype, + &bindings->initiator_address); + sockaddr_to_gss_address (ctrl_addr, + &bindings->acceptor_addrtype, + &bindings->acceptor_address); + + bindings->application_data.length = 0; + bindings->application_data.value = NULL; + + input_token.value = buf; + input_token.length = len; + + maj_stat = gss_accept_sec_context (&min_stat, + &d->context_hdl, + GSS_C_NO_CREDENTIAL, + &input_token, + bindings, + &client_name, + NULL, + &output_token, + NULL, + NULL, + NULL); + + if(output_token.length) { + if(base64_encode(output_token.value, output_token.length, &p) < 0) { + reply(535, "Out of memory base64-encoding."); + return -1; + } + } + if(maj_stat == GSS_S_COMPLETE){ + char *name; + gss_buffer_desc export_name; + maj_stat = gss_export_name(&min_stat, client_name, &export_name); + if(maj_stat != 0) { + reply(500, "Error exporting name"); + goto out; + } + name = realloc(export_name.value, export_name.length + 1); + if(name == NULL) { + reply(500, "Out of memory"); + free(export_name.value); + goto out; + } + name[export_name.length] = '\0'; + d->client_name = name; + if(p) + reply(235, "ADAT=%s", p); + else + reply(235, "ADAT Complete"); + sec_complete = 1; + + } else if(maj_stat == GSS_S_CONTINUE_NEEDED) { + if(p) + reply(335, "ADAT=%s", p); + else + reply(335, "OK, need more data"); + } else + reply(535, "foo?"); +out: + free(p); + return 0; +} + +int gss_userok(void*, char*); + +struct sec_server_mech gss_server_mech = { + "GSSAPI", + sizeof(struct gss_data), + gss_init, /* init */ + NULL, /* end */ + gss_check_prot, + gss_overhead, + gss_encode, + gss_decode, + /* */ + NULL, + gss_adat, + NULL, /* pbsz */ + NULL, /* ccc */ + gss_userok +}; + +#else /* FTP_SERVER */ + +extern struct sockaddr *hisctladdr, *myctladdr; + +static int +gss_auth(void *app_data, char *host) +{ + + OM_uint32 maj_stat, min_stat; + gss_buffer_desc name; + gss_name_t target_name; + gss_buffer_desc input, output_token; + int context_established = 0; + char *p; + int n; + gss_channel_bindings_t bindings; + struct gss_data *d = app_data; + + name.length = asprintf((char**)&name.value, "ftp@%s", host); + maj_stat = gss_import_name(&min_stat, + &name, + GSS_C_NT_HOSTBASED_SERVICE, + &target_name); + if (GSS_ERROR(maj_stat)) { + OM_uint32 new_stat; + OM_uint32 msg_ctx = 0; + gss_buffer_desc status_string; + + gss_display_status(&new_stat, + min_stat, + GSS_C_MECH_CODE, + GSS_C_NO_OID, + &msg_ctx, + &status_string); + printf("Error importing name %s: %s\n", + (char *)name.value, + (char *)status_string.value); + gss_release_buffer(&new_stat, &status_string); + return AUTH_ERROR; + } + free(name.value); + + + input.length = 0; + input.value = NULL; + + bindings = malloc(sizeof(*bindings)); + + sockaddr_to_gss_address (myctladdr, + &bindings->initiator_addrtype, + &bindings->initiator_address); + sockaddr_to_gss_address (hisctladdr, + &bindings->acceptor_addrtype, + &bindings->acceptor_address); + + bindings->application_data.length = 0; + bindings->application_data.value = NULL; + + while(!context_established) { + maj_stat = gss_init_sec_context(&min_stat, + GSS_C_NO_CREDENTIAL, + &d->context_hdl, + target_name, + GSS_C_NO_OID, + GSS_C_MUTUAL_FLAG | GSS_C_SEQUENCE_FLAG, + 0, + bindings, + &input, + NULL, + &output_token, + NULL, + NULL); + if (GSS_ERROR(maj_stat)) { + OM_uint32 new_stat; + OM_uint32 msg_ctx = 0; + gss_buffer_desc status_string; + + gss_display_status(&new_stat, + min_stat, + GSS_C_MECH_CODE, + GSS_C_NO_OID, + &msg_ctx, + &status_string); + printf("Error initializing security context: %s\n", + (char*)status_string.value); + gss_release_buffer(&new_stat, &status_string); + return AUTH_CONTINUE; + } + + gss_release_buffer(&min_stat, &input); + if (output_token.length != 0) { + base64_encode(output_token.value, output_token.length, &p); + gss_release_buffer(&min_stat, &output_token); + n = command("ADAT %s", p); + free(p); + } + if (GSS_ERROR(maj_stat)) { + if (d->context_hdl != GSS_C_NO_CONTEXT) + gss_delete_sec_context (&min_stat, + &d->context_hdl, + GSS_C_NO_BUFFER); + break; + } + if (maj_stat & GSS_S_CONTINUE_NEEDED) { + p = strstr(reply_string, "ADAT="); + if(p == NULL){ + printf("Error: expected ADAT in reply.\n"); + return AUTH_ERROR; + } else { + p+=5; + input.value = malloc(strlen(p)); + input.length = base64_decode(p, input.value); + } + } else { + if(code != 235) { + printf("Unrecognized response code: %d\n", code); + return AUTH_ERROR; + } + context_established = 1; + } + } + return AUTH_OK; +} + +struct sec_client_mech gss_client_mech = { + "GSSAPI", + sizeof(struct gss_data), + gss_init, + gss_auth, + NULL, /* end */ + gss_check_prot, + gss_overhead, + gss_encode, + gss_decode, +}; + +#endif /* FTP_SERVER */ diff --git a/crypto/heimdal/appl/ftp/ftp/kauth.c b/crypto/heimdal/appl/ftp/ftp/kauth.c new file mode 100644 index 0000000..613593a --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftp/kauth.c @@ -0,0 +1,198 @@ +/* + * Copyright (c) 1995-1999 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "ftp_locl.h" +#include <krb.h> +RCSID("$Id: kauth.c,v 1.20 1999/12/02 16:58:29 joda Exp $"); + +void +kauth(int argc, char **argv) +{ + int ret; + char buf[1024]; + des_cblock key; + des_key_schedule schedule; + KTEXT_ST tkt, tktcopy; + char *name; + char *p; + int overbose; + char passwd[100]; + int tmp; + + int save; + + if(argc > 2){ + printf("usage: %s [principal]\n", argv[0]); + code = -1; + return; + } + if(argc == 2) + name = argv[1]; + else + name = username; + + overbose = verbose; + verbose = 0; + + save = set_command_prot(prot_private); + ret = command("SITE KAUTH %s", name); + if(ret != CONTINUE){ + verbose = overbose; + set_command_prot(save); + code = -1; + return; + } + verbose = overbose; + p = strstr(reply_string, "T="); + if(!p){ + printf("Bad reply from server.\n"); + set_command_prot(save); + code = -1; + return; + } + p += 2; + tmp = base64_decode(p, &tkt.dat); + if(tmp < 0){ + printf("Failed to decode base64 in reply.\n"); + set_command_prot(save); + code = -1; + return; + } + tkt.length = tmp; + tktcopy.length = tkt.length; + + p = strstr(reply_string, "P="); + if(!p){ + printf("Bad reply from server.\n"); + verbose = overbose; + set_command_prot(save); + code = -1; + return; + } + name = p + 2; + for(; *p && *p != ' ' && *p != '\r' && *p != '\n'; p++); + *p = 0; + + snprintf(buf, sizeof(buf), "Password for %s:", name); + if (des_read_pw_string (passwd, sizeof(passwd)-1, buf, 0)) + *passwd = '\0'; + des_string_to_key (passwd, &key); + + des_key_sched(&key, schedule); + + des_pcbc_encrypt((des_cblock*)tkt.dat, (des_cblock*)tktcopy.dat, + tkt.length, + schedule, &key, DES_DECRYPT); + if (strcmp ((char*)tktcopy.dat + 8, + KRB_TICKET_GRANTING_TICKET) != 0) { + afs_string_to_key (passwd, krb_realmofhost(hostname), &key); + des_key_sched (&key, schedule); + des_pcbc_encrypt((des_cblock*)tkt.dat, (des_cblock*)tktcopy.dat, + tkt.length, + schedule, &key, DES_DECRYPT); + } + memset(key, 0, sizeof(key)); + memset(schedule, 0, sizeof(schedule)); + memset(passwd, 0, sizeof(passwd)); + if(base64_encode(tktcopy.dat, tktcopy.length, &p) < 0) { + printf("Out of memory base64-encoding.\n"); + set_command_prot(save); + code = -1; + return; + } + memset (tktcopy.dat, 0, tktcopy.length); + ret = command("SITE KAUTH %s %s", name, p); + free(p); + set_command_prot(save); + if(ret != COMPLETE){ + code = -1; + return; + } + code = 0; +} + +void +klist(int argc, char **argv) +{ + int ret; + if(argc != 1){ + printf("usage: %s\n", argv[0]); + code = -1; + return; + } + + ret = command("SITE KLIST"); + code = (ret == COMPLETE); +} + +void +kdestroy(int argc, char **argv) +{ + int ret; + if (argc != 1) { + printf("usage: %s\n", argv[0]); + code = -1; + return; + } + ret = command("SITE KDESTROY"); + code = (ret == COMPLETE); +} + +void +krbtkfile(int argc, char **argv) +{ + int ret; + if(argc != 2) { + printf("usage: %s tktfile\n", argv[0]); + code = -1; + return; + } + ret = command("SITE KRBTKFILE %s", argv[1]); + code = (ret == COMPLETE); +} + +void +afslog(int argc, char **argv) +{ + int ret; + if(argc > 2) { + printf("usage: %s [cell]\n", argv[0]); + code = -1; + return; + } + if(argc == 2) + ret = command("SITE AFSLOG %s", argv[1]); + else + ret = command("SITE AFSLOG"); + code = (ret == COMPLETE); +} diff --git a/crypto/heimdal/appl/ftp/ftp/krb4.c b/crypto/heimdal/appl/ftp/ftp/krb4.c new file mode 100644 index 0000000..c89ba95 --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftp/krb4.c @@ -0,0 +1,334 @@ +/* + * Copyright (c) 1995, 1996, 1997, 1998, 1999 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifdef FTP_SERVER +#include "ftpd_locl.h" +#else +#include "ftp_locl.h" +#endif +#include <krb.h> + +RCSID("$Id: krb4.c,v 1.37 1999/12/06 17:10:13 assar Exp $"); + +#ifdef FTP_SERVER +#define LOCAL_ADDR ctrl_addr +#define REMOTE_ADDR his_addr +#else +#define LOCAL_ADDR myctladdr +#define REMOTE_ADDR hisctladdr +#endif + +extern struct sockaddr *LOCAL_ADDR, *REMOTE_ADDR; + +struct krb4_data { + des_cblock key; + des_key_schedule schedule; + char name[ANAME_SZ]; + char instance[INST_SZ]; + char realm[REALM_SZ]; +}; + +static int +krb4_check_prot(void *app_data, int level) +{ + if(level == prot_confidential) + return -1; + return 0; +} + +static int +krb4_decode(void *app_data, void *buf, int len, int level) +{ + MSG_DAT m; + int e; + struct krb4_data *d = app_data; + + if(level == prot_safe) + e = krb_rd_safe(buf, len, &d->key, + (struct sockaddr_in *)REMOTE_ADDR, + (struct sockaddr_in *)LOCAL_ADDR, &m); + else + e = krb_rd_priv(buf, len, d->schedule, &d->key, + (struct sockaddr_in *)REMOTE_ADDR, + (struct sockaddr_in *)LOCAL_ADDR, &m); + if(e){ + syslog(LOG_ERR, "krb4_decode: %s", krb_get_err_text(e)); + return -1; + } + memmove(buf, m.app_data, m.app_length); + return m.app_length; +} + +static int +krb4_overhead(void *app_data, int level, int len) +{ + return 31; +} + +static int +krb4_encode(void *app_data, void *from, int length, int level, void **to) +{ + struct krb4_data *d = app_data; + *to = malloc(length + 31); + if(level == prot_safe) + return krb_mk_safe(from, *to, length, &d->key, + (struct sockaddr_in *)LOCAL_ADDR, + (struct sockaddr_in *)REMOTE_ADDR); + else if(level == prot_private) + return krb_mk_priv(from, *to, length, d->schedule, &d->key, + (struct sockaddr_in *)LOCAL_ADDR, + (struct sockaddr_in *)REMOTE_ADDR); + else + return -1; +} + +#ifdef FTP_SERVER + +static int +krb4_adat(void *app_data, void *buf, size_t len) +{ + KTEXT_ST tkt; + AUTH_DAT auth_dat; + char *p; + int kerror; + u_int32_t cs; + char msg[35]; /* size of encrypted block */ + int tmp_len; + struct krb4_data *d = app_data; + char inst[INST_SZ]; + struct sockaddr_in *his_addr_sin = (struct sockaddr_in *)his_addr; + + memcpy(tkt.dat, buf, len); + tkt.length = len; + + k_getsockinst(0, inst, sizeof(inst)); + kerror = krb_rd_req(&tkt, "ftp", inst, + his_addr_sin->sin_addr.s_addr, &auth_dat, ""); + if(kerror == RD_AP_UNDEC){ + k_getsockinst(0, inst, sizeof(inst)); + kerror = krb_rd_req(&tkt, "rcmd", inst, + his_addr_sin->sin_addr.s_addr, &auth_dat, ""); + } + + if(kerror){ + reply(535, "Error reading request: %s.", krb_get_err_text(kerror)); + return -1; + } + + memcpy(d->key, auth_dat.session, sizeof(d->key)); + des_set_key(&d->key, d->schedule); + + strlcpy(d->name, auth_dat.pname, sizeof(d->name)); + strlcpy(d->instance, auth_dat.pinst, sizeof(d->instance)); + strlcpy(d->realm, auth_dat.prealm, sizeof(d->instance)); + + cs = auth_dat.checksum + 1; + { + unsigned char tmp[4]; + KRB_PUT_INT(cs, tmp, 4, sizeof(tmp)); + tmp_len = krb_mk_safe(tmp, msg, 4, &d->key, + (struct sockaddr_in *)LOCAL_ADDR, + (struct sockaddr_in *)REMOTE_ADDR); + } + if(tmp_len < 0){ + reply(535, "Error creating reply: %s.", strerror(errno)); + return -1; + } + len = tmp_len; + if(base64_encode(msg, len, &p) < 0) { + reply(535, "Out of memory base64-encoding."); + return -1; + } + reply(235, "ADAT=%s", p); + sec_complete = 1; + free(p); + return 0; +} + +static int +krb4_userok(void *app_data, char *user) +{ + struct krb4_data *d = app_data; + return krb_kuserok(d->name, d->instance, d->realm, user); +} + +struct sec_server_mech krb4_server_mech = { + "KERBEROS_V4", + sizeof(struct krb4_data), + NULL, /* init */ + NULL, /* end */ + krb4_check_prot, + krb4_overhead, + krb4_encode, + krb4_decode, + /* */ + NULL, + krb4_adat, + NULL, /* pbsz */ + NULL, /* ccc */ + krb4_userok +}; + +#else /* FTP_SERVER */ + +static int +mk_auth(struct krb4_data *d, KTEXT adat, + char *service, char *host, int checksum) +{ + int ret; + CREDENTIALS cred; + char sname[SNAME_SZ], inst[INST_SZ], realm[REALM_SZ]; + + strlcpy(sname, service, sizeof(sname)); + strlcpy(inst, krb_get_phost(host), sizeof(inst)); + strlcpy(realm, krb_realmofhost(host), sizeof(realm)); + ret = krb_mk_req(adat, sname, inst, realm, checksum); + if(ret) + return ret; + strlcpy(sname, service, sizeof(sname)); + strlcpy(inst, krb_get_phost(host), sizeof(inst)); + strlcpy(realm, krb_realmofhost(host), sizeof(realm)); + ret = krb_get_cred(sname, inst, realm, &cred); + memmove(&d->key, &cred.session, sizeof(des_cblock)); + des_key_sched(&d->key, d->schedule); + memset(&cred, 0, sizeof(cred)); + return ret; +} + +static int +krb4_auth(void *app_data, char *host) +{ + int ret; + char *p; + int len; + KTEXT_ST adat; + MSG_DAT msg_data; + int checksum; + u_int32_t cs; + struct krb4_data *d = app_data; + struct sockaddr_in *localaddr = (struct sockaddr_in *)LOCAL_ADDR; + struct sockaddr_in *remoteaddr = (struct sockaddr_in *)REMOTE_ADDR; + + checksum = getpid(); + ret = mk_auth(d, &adat, "ftp", host, checksum); + if(ret == KDC_PR_UNKNOWN) + ret = mk_auth(d, &adat, "rcmd", host, checksum); + if(ret){ + printf("%s\n", krb_get_err_text(ret)); + return AUTH_CONTINUE; + } + +#ifdef HAVE_KRB_GET_OUR_IP_FOR_REALM + if (krb_get_config_bool("nat_in_use")) { + struct in_addr natAddr; + + if (krb_get_our_ip_for_realm(krb_realmofhost(host), + &natAddr) != KSUCCESS + && krb_get_our_ip_for_realm(NULL, &natAddr) != KSUCCESS) + printf("Can't get address for realm %s\n", + krb_realmofhost(host)); + else { + if (natAddr.s_addr != localaddr->sin_addr.s_addr) { + printf("Using NAT IP address (%s) for kerberos 4\n", + inet_ntoa(natAddr)); + localaddr->sin_addr = natAddr; + + /* + * This not the best place to do this, but it + * is here we know that (probably) NAT is in + * use! + */ + + passivemode = 1; + printf("Setting: Passive mode on.\n"); + } + } + } +#endif + + printf("Local address is %s\n", inet_ntoa(localaddr->sin_addr)); + printf("Remote address is %s\n", inet_ntoa(remoteaddr->sin_addr)); + + if(base64_encode(adat.dat, adat.length, &p) < 0) { + printf("Out of memory base64-encoding.\n"); + return AUTH_CONTINUE; + } + ret = command("ADAT %s", p); + free(p); + + if(ret != COMPLETE){ + printf("Server didn't accept auth data.\n"); + return AUTH_ERROR; + } + + p = strstr(reply_string, "ADAT="); + if(!p){ + printf("Remote host didn't send adat reply.\n"); + return AUTH_ERROR; + } + p += 5; + len = base64_decode(p, adat.dat); + if(len < 0){ + printf("Failed to decode base64 from server.\n"); + return AUTH_ERROR; + } + adat.length = len; + ret = krb_rd_safe(adat.dat, adat.length, &d->key, + (struct sockaddr_in *)hisctladdr, + (struct sockaddr_in *)myctladdr, &msg_data); + if(ret){ + printf("Error reading reply from server: %s.\n", + krb_get_err_text(ret)); + return AUTH_ERROR; + } + krb_get_int(msg_data.app_data, &cs, 4, 0); + if(cs - checksum != 1){ + printf("Bad checksum returned from server.\n"); + return AUTH_ERROR; + } + return AUTH_OK; +} + +struct sec_client_mech krb4_client_mech = { + "KERBEROS_V4", + sizeof(struct krb4_data), + NULL, /* init */ + krb4_auth, + NULL, /* end */ + krb4_check_prot, + krb4_overhead, + krb4_encode, + krb4_decode +}; + +#endif /* FTP_SERVER */ diff --git a/crypto/heimdal/appl/ftp/ftp/main.c b/crypto/heimdal/appl/ftp/ftp/main.c new file mode 100644 index 0000000..dfe9e88 --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftp/main.c @@ -0,0 +1,549 @@ +/* + * Copyright (c) 1985, 1989, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * FTP User Program -- Command Interface. + */ + +#include "ftp_locl.h" +RCSID("$Id: main.c,v 1.27 1999/11/13 06:18:02 assar Exp $"); + +int +main(int argc, char **argv) +{ + int ch, top; + struct passwd *pw = NULL; + char homedir[MaxPathLen]; + struct servent *sp; + + set_progname(argv[0]); + + sp = getservbyname("ftp", "tcp"); + if (sp == 0) + errx(1, "ftp/tcp: unknown service"); + doglob = 1; + interactive = 1; + autologin = 1; + passivemode = 0; /* passive mode not active */ + + while ((ch = getopt(argc, argv, "dginptv")) != -1) { + switch (ch) { + case 'd': + options |= SO_DEBUG; + debug++; + break; + + case 'g': + doglob = 0; + break; + + case 'i': + interactive = 0; + break; + + case 'n': + autologin = 0; + break; + + case 'p': + passivemode = 1; + break; + case 't': + trace++; + break; + + case 'v': + verbose++; + break; + + default: + fprintf(stderr, + "usage: ftp [-dginptv] [host [port]]\n"); + exit(1); + } + } + argc -= optind; + argv += optind; + + fromatty = isatty(fileno(stdin)); + if (fromatty) + verbose++; + cpend = 0; /* no pending replies */ + proxy = 0; /* proxy not active */ + crflag = 1; /* strip c.r. on ascii gets */ + sendport = -1; /* not using ports */ + /* + * Set up the home directory in case we're globbing. + */ + pw = k_getpwuid(getuid()); + if (pw != NULL) { + strlcpy(homedir, pw->pw_dir, sizeof(homedir)); + home = homedir; + } + if (argc > 0) { + char *xargv[5]; + + if (setjmp(toplevel)) + exit(0); + signal(SIGINT, intr); + signal(SIGPIPE, lostpeer); + xargv[0] = (char*)__progname; + xargv[1] = argv[0]; + xargv[2] = argv[1]; + xargv[3] = argv[2]; + xargv[4] = NULL; + setpeer(argc+1, xargv); + } + if(setjmp(toplevel) == 0) + top = 1; + else + top = 0; + if (top) { + signal(SIGINT, intr); + signal(SIGPIPE, lostpeer); + } + for (;;) { + cmdscanner(top); + top = 1; + } +} + +void +intr(int sig) +{ + + longjmp(toplevel, 1); +} + +#ifndef SHUT_RDWR +#define SHUT_RDWR 2 +#endif + +RETSIGTYPE +lostpeer(int sig) +{ + + if (connected) { + if (cout != NULL) { + shutdown(fileno(cout), SHUT_RDWR); + fclose(cout); + cout = NULL; + } + if (data >= 0) { + shutdown(data, SHUT_RDWR); + close(data); + data = -1; + } + connected = 0; + } + pswitch(1); + if (connected) { + if (cout != NULL) { + shutdown(fileno(cout), SHUT_RDWR); + fclose(cout); + cout = NULL; + } + connected = 0; + } + proxflag = 0; + pswitch(0); + sec_end(); + SIGRETURN(0); +} + +/* +char * +tail(filename) + char *filename; +{ + char *s; + + while (*filename) { + s = strrchr(filename, '/'); + if (s == NULL) + break; + if (s[1]) + return (s + 1); + *s = '\0'; + } + return (filename); +} +*/ + +#ifndef HAVE_READLINE + +static char * +readline(char *prompt) +{ + char buf[BUFSIZ]; + printf ("%s", prompt); + fflush (stdout); + if(fgets(buf, sizeof(buf), stdin) == NULL) + return NULL; + if (buf[strlen(buf) - 1] == '\n') + buf[strlen(buf) - 1] = '\0'; + return strdup(buf); +} + +static void +add_history(char *p) +{ +} + +#else + +/* These should not really be here */ + +char *readline(char *); +void add_history(char *); + +#endif + +/* + * Command parser. + */ +void +cmdscanner(int top) +{ + struct cmd *c; + int l; + + if (!top) + putchar('\n'); + for (;;) { + if (fromatty) { + char *p; + p = readline("ftp> "); + if(p == NULL) + quit(0, 0); + strlcpy(line, p, sizeof(line)); + add_history(p); + free(p); + } else{ + if (fgets(line, sizeof line, stdin) == NULL) + quit(0, 0); + } + /* XXX will break on long lines */ + l = strlen(line); + if (l == 0) + break; + if (line[--l] == '\n') { + if (l == 0) + break; + line[l] = '\0'; + } else if (l == sizeof(line) - 2) { + printf("sorry, input line too long\n"); + while ((l = getchar()) != '\n' && l != EOF) + /* void */; + break; + } /* else it was a line without a newline */ + makeargv(); + if (margc == 0) { + continue; + } + c = getcmd(margv[0]); + if (c == (struct cmd *)-1) { + printf("?Ambiguous command\n"); + continue; + } + if (c == 0) { + printf("?Invalid command\n"); + continue; + } + if (c->c_conn && !connected) { + printf("Not connected.\n"); + continue; + } + (*c->c_handler)(margc, margv); + if (bell && c->c_bell) + putchar('\007'); + if (c->c_handler != help) + break; + } + signal(SIGINT, intr); + signal(SIGPIPE, lostpeer); +} + +struct cmd * +getcmd(char *name) +{ + char *p, *q; + struct cmd *c, *found; + int nmatches, longest; + + longest = 0; + nmatches = 0; + found = 0; + for (c = cmdtab; (p = c->c_name); c++) { + for (q = name; *q == *p++; q++) + if (*q == 0) /* exact match? */ + return (c); + if (!*q) { /* the name was a prefix */ + if (q - name > longest) { + longest = q - name; + nmatches = 1; + found = c; + } else if (q - name == longest) + nmatches++; + } + } + if (nmatches > 1) + return ((struct cmd *)-1); + return (found); +} + +/* + * Slice a string up into argc/argv. + */ + +int slrflag; + +void +makeargv(void) +{ + char **argp; + + argp = margv; + stringbase = line; /* scan from first of buffer */ + argbase = argbuf; /* store from first of buffer */ + slrflag = 0; + for (margc = 0; ; margc++) { + /* Expand array if necessary */ + if (margc == margvlen) { + int i; + + margv = (margvlen == 0) + ? (char **)malloc(20 * sizeof(char *)) + : (char **)realloc(margv, + (margvlen + 20)*sizeof(char *)); + if (margv == NULL) + errx(1, "cannot realloc argv array"); + for(i = margvlen; i < margvlen + 20; ++i) + margv[i] = NULL; + margvlen += 20; + argp = margv + margc; + } + + if ((*argp++ = slurpstring()) == NULL) + break; + } + +} + +/* + * Parse string into argbuf; + * implemented with FSM to + * handle quoting and strings + */ +char * +slurpstring(void) +{ + int got_one = 0; + char *sb = stringbase; + char *ap = argbase; + char *tmp = argbase; /* will return this if token found */ + + if (*sb == '!' || *sb == '$') { /* recognize ! as a token for shell */ + switch (slrflag) { /* and $ as token for macro invoke */ + case 0: + slrflag++; + stringbase++; + return ((*sb == '!') ? "!" : "$"); + /* NOTREACHED */ + case 1: + slrflag++; + altarg = stringbase; + break; + default: + break; + } + } + +S0: + switch (*sb) { + + case '\0': + goto OUT; + + case ' ': + case '\t': + sb++; goto S0; + + default: + switch (slrflag) { + case 0: + slrflag++; + break; + case 1: + slrflag++; + altarg = sb; + break; + default: + break; + } + goto S1; + } + +S1: + switch (*sb) { + + case ' ': + case '\t': + case '\0': + goto OUT; /* end of token */ + + case '\\': + sb++; goto S2; /* slurp next character */ + + case '"': + sb++; goto S3; /* slurp quoted string */ + + default: + *ap++ = *sb++; /* add character to token */ + got_one = 1; + goto S1; + } + +S2: + switch (*sb) { + + case '\0': + goto OUT; + + default: + *ap++ = *sb++; + got_one = 1; + goto S1; + } + +S3: + switch (*sb) { + + case '\0': + goto OUT; + + case '"': + sb++; goto S1; + + default: + *ap++ = *sb++; + got_one = 1; + goto S3; + } + +OUT: + if (got_one) + *ap++ = '\0'; + argbase = ap; /* update storage pointer */ + stringbase = sb; /* update scan pointer */ + if (got_one) { + return (tmp); + } + switch (slrflag) { + case 0: + slrflag++; + break; + case 1: + slrflag++; + altarg = (char *) 0; + break; + default: + break; + } + return NULL; +} + +#define HELPINDENT ((int) sizeof ("directory")) + +/* + * Help command. + * Call each command handler with argc == 0 and argv[0] == name. + */ +void +help(int argc, char **argv) +{ + struct cmd *c; + + if (argc == 1) { + int i, j, w, k; + int columns, width = 0, lines; + + printf("Commands may be abbreviated. Commands are:\n\n"); + for (c = cmdtab; c < &cmdtab[NCMDS]; c++) { + int len = strlen(c->c_name); + + if (len > width) + width = len; + } + width = (width + 8) &~ 7; + columns = 80 / width; + if (columns == 0) + columns = 1; + lines = (NCMDS + columns - 1) / columns; + for (i = 0; i < lines; i++) { + for (j = 0; j < columns; j++) { + c = cmdtab + j * lines + i; + if (c->c_name && (!proxy || c->c_proxy)) { + printf("%s", c->c_name); + } + else if (c->c_name) { + for (k=0; k < strlen(c->c_name); k++) { + putchar(' '); + } + } + if (c + lines >= &cmdtab[NCMDS]) { + printf("\n"); + break; + } + w = strlen(c->c_name); + while (w < width) { + w = (w + 8) &~ 7; + putchar('\t'); + } + } + } + return; + } + while (--argc > 0) { + char *arg; + arg = *++argv; + c = getcmd(arg); + if (c == (struct cmd *)-1) + printf("?Ambiguous help command %s\n", arg); + else if (c == (struct cmd *)0) + printf("?Invalid help command %s\n", arg); + else + printf("%-*s\t%s\n", HELPINDENT, + c->c_name, c->c_help); + } +} diff --git a/crypto/heimdal/appl/ftp/ftp/pathnames.h b/crypto/heimdal/appl/ftp/ftp/pathnames.h new file mode 100644 index 0000000..f7c1fb3 --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftp/pathnames.h @@ -0,0 +1,44 @@ +/* + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)pathnames.h 8.1 (Berkeley) 6/6/93 + */ + +#ifdef HAVE_PATHS_H +#include <paths.h> +#endif + +#define _PATH_TMP_XXX "/tmp/ftpXXXXXX" + +#ifndef _PATH_BSHELL +#define _PATH_BSHELL "/bin/sh" +#endif diff --git a/crypto/heimdal/appl/ftp/ftp/ruserpass.c b/crypto/heimdal/appl/ftp/ftp/ruserpass.c new file mode 100644 index 0000000..b22f699 --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftp/ruserpass.c @@ -0,0 +1,313 @@ +/* + * Copyright (c) 1985, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "ftp_locl.h" +RCSID("$Id: ruserpass.c,v 1.19 2000/01/08 07:45:11 assar Exp $"); + +static int token (void); +static FILE *cfile; + +#define DEFAULT 1 +#define LOGIN 2 +#define PASSWD 3 +#define ACCOUNT 4 +#define MACDEF 5 +#define PROT 6 +#define ID 10 +#define MACH 11 + +static char tokval[100]; + +static struct toktab { + char *tokstr; + int tval; +} toktab[]= { + { "default", DEFAULT }, + { "login", LOGIN }, + { "password", PASSWD }, + { "passwd", PASSWD }, + { "account", ACCOUNT }, + { "machine", MACH }, + { "macdef", MACDEF }, + { "prot", PROT }, + { NULL, 0 } +}; + +/* + * Write a copy of the hostname into `hostname, sz' and return a guess + * as to the `domain' of that hostname. + */ + +static char * +guess_domain (char *hostname, size_t sz) +{ + struct addrinfo *ai, *a; + struct addrinfo hints; + int error; + char *dot; + + if (gethostname (hostname, sz) < 0) { + strlcpy (hostname, "", sz); + return ""; + } + dot = strchr (hostname, '.'); + if (dot != NULL) + return dot + 1; + + memset (&hints, 0, sizeof(hints)); + hints.ai_flags = AI_CANONNAME; + + error = getaddrinfo (hostname, NULL, &hints, &ai); + if (error) + return hostname; + + for (a = ai; a != NULL; a = a->ai_next) + if (a->ai_canonname != NULL) { + strlcpy (hostname, ai->ai_canonname, sz); + break; + } + freeaddrinfo (ai); + dot = strchr (hostname, '.'); + if (dot != NULL) + return dot + 1; + else + return hostname; +} + +int +ruserpass(char *host, char **aname, char **apass, char **aacct) +{ + char *hdir, buf[BUFSIZ], *tmp; + int t, i, c, usedefault = 0; + struct stat stb; + + mydomain = guess_domain (myhostname, MaxHostNameLen); + + hdir = getenv("HOME"); + if (hdir == NULL) + hdir = "."; + snprintf(buf, sizeof(buf), "%s/.netrc", hdir); + cfile = fopen(buf, "r"); + if (cfile == NULL) { + if (errno != ENOENT) + warn("%s", buf); + return (0); + } + +next: + while ((t = token())) switch(t) { + + case DEFAULT: + usedefault = 1; + /* FALL THROUGH */ + + case MACH: + if (!usedefault) { + if (token() != ID) + continue; + /* + * Allow match either for user's input host name + * or official hostname. Also allow match of + * incompletely-specified host in local domain. + */ + if (strcasecmp(host, tokval) == 0) + goto match; + if (strcasecmp(hostname, tokval) == 0) + goto match; + if ((tmp = strchr(hostname, '.')) != NULL && + tmp++ && + strcasecmp(tmp, mydomain) == 0 && + strncasecmp(hostname, tokval, tmp-hostname) == 0 && + tokval[tmp - hostname] == '\0') + goto match; + if ((tmp = strchr(host, '.')) != NULL && + tmp++ && + strcasecmp(tmp, mydomain) == 0 && + strncasecmp(host, tokval, tmp - host) == 0 && + tokval[tmp - host] == '\0') + goto match; + continue; + } + match: + while ((t = token()) && t != MACH && t != DEFAULT) switch(t) { + + case LOGIN: + if (token()) { + if (*aname == 0) { + *aname = strdup(tokval); + } else { + if (strcmp(*aname, tokval)) + goto next; + } + } + break; + case PASSWD: + if ((*aname == NULL || strcmp(*aname, "anonymous")) && + fstat(fileno(cfile), &stb) >= 0 && + (stb.st_mode & 077) != 0) { + warnx("Error: .netrc file is readable by others."); + warnx("Remove password or make file unreadable by others."); + goto bad; + } + if (token() && *apass == 0) { + *apass = strdup(tokval); + } + break; + case ACCOUNT: + if (fstat(fileno(cfile), &stb) >= 0 + && (stb.st_mode & 077) != 0) { + warnx("Error: .netrc file is readable by others."); + warnx("Remove account or make file unreadable by others."); + goto bad; + } + if (token() && *aacct == 0) { + *aacct = strdup(tokval); + } + break; + case MACDEF: + if (proxy) { + fclose(cfile); + return (0); + } + while ((c=getc(cfile)) != EOF && + (c == ' ' || c == '\t')); + if (c == EOF || c == '\n') { + printf("Missing macdef name argument.\n"); + goto bad; + } + if (macnum == 16) { + printf("Limit of 16 macros have already been defined\n"); + goto bad; + } + tmp = macros[macnum].mac_name; + *tmp++ = c; + for (i=0; i < 8 && (c=getc(cfile)) != EOF && + !isspace(c); ++i) { + *tmp++ = c; + } + if (c == EOF) { + printf("Macro definition missing null line terminator.\n"); + goto bad; + } + *tmp = '\0'; + if (c != '\n') { + while ((c=getc(cfile)) != EOF && c != '\n'); + } + if (c == EOF) { + printf("Macro definition missing null line terminator.\n"); + goto bad; + } + if (macnum == 0) { + macros[macnum].mac_start = macbuf; + } + else { + macros[macnum].mac_start = macros[macnum-1].mac_end + 1; + } + tmp = macros[macnum].mac_start; + while (tmp != macbuf + 4096) { + if ((c=getc(cfile)) == EOF) { + printf("Macro definition missing null line terminator.\n"); + goto bad; + } + *tmp = c; + if (*tmp == '\n') { + if (*(tmp-1) == '\0') { + macros[macnum++].mac_end = tmp - 1; + break; + } + *tmp = '\0'; + } + tmp++; + } + if (tmp == macbuf + 4096) { + printf("4K macro buffer exceeded\n"); + goto bad; + } + break; + case PROT: + token(); + if(sec_request_prot(tokval) < 0) + warnx("Unknown protection level \"%s\"", tokval); + break; + default: + warnx("Unknown .netrc keyword %s", tokval); + break; + } + goto done; + } +done: + fclose(cfile); + return (0); +bad: + fclose(cfile); + return (-1); +} + +static int +token(void) +{ + char *cp; + int c; + struct toktab *t; + + if (feof(cfile) || ferror(cfile)) + return (0); + while ((c = getc(cfile)) != EOF && + (c == '\n' || c == '\t' || c == ' ' || c == ',')) + continue; + if (c == EOF) + return (0); + cp = tokval; + if (c == '"') { + while ((c = getc(cfile)) != EOF && c != '"') { + if (c == '\\') + c = getc(cfile); + *cp++ = c; + } + } else { + *cp++ = c; + while ((c = getc(cfile)) != EOF + && c != '\n' && c != '\t' && c != ' ' && c != ',') { + if (c == '\\') + c = getc(cfile); + *cp++ = c; + } + } + *cp = 0; + if (tokval[0] == 0) + return (0); + for (t = toktab; t->tokstr; t++) + if (!strcmp(t->tokstr, tokval)) + return (t->tval); + return (ID); +} diff --git a/crypto/heimdal/appl/ftp/ftp/security.c b/crypto/heimdal/appl/ftp/ftp/security.c new file mode 100644 index 0000000..ca7eb00 --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftp/security.c @@ -0,0 +1,785 @@ +/* + * Copyright (c) 1998, 1999 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifdef FTP_SERVER +#include "ftpd_locl.h" +#else +#include "ftp_locl.h" +#endif + +RCSID("$Id: security.c,v 1.15 1999/12/02 16:58:30 joda Exp $"); + +static enum protection_level command_prot; +static enum protection_level data_prot; +static size_t buffer_size; + +struct buffer { + void *data; + size_t size; + size_t index; + int eof_flag; +}; + +static struct buffer in_buffer, out_buffer; +int sec_complete; + +static struct { + enum protection_level level; + const char *name; +} level_names[] = { + { prot_clear, "clear" }, + { prot_safe, "safe" }, + { prot_confidential, "confidential" }, + { prot_private, "private" } +}; + +static const char * +level_to_name(enum protection_level level) +{ + int i; + for(i = 0; i < sizeof(level_names) / sizeof(level_names[0]); i++) + if(level_names[i].level == level) + return level_names[i].name; + return "unknown"; +} + +#ifndef FTP_SERVER /* not used in server */ +static enum protection_level +name_to_level(const char *name) +{ + int i; + for(i = 0; i < sizeof(level_names) / sizeof(level_names[0]); i++) + if(!strncasecmp(level_names[i].name, name, strlen(name))) + return level_names[i].level; + return (enum protection_level)-1; +} +#endif + +#ifdef FTP_SERVER + +static struct sec_server_mech *mechs[] = { +#ifdef KRB5 + &gss_server_mech, +#endif +#ifdef KRB4 + &krb4_server_mech, +#endif + NULL +}; + +static struct sec_server_mech *mech; + +#else + +static struct sec_client_mech *mechs[] = { +#ifdef KRB5 + &gss_client_mech, +#endif +#ifdef KRB4 + &krb4_client_mech, +#endif + NULL +}; + +static struct sec_client_mech *mech; + +#endif + +static void *app_data; + +int +sec_getc(FILE *F) +{ + if(sec_complete && data_prot) { + char c; + if(sec_read(fileno(F), &c, 1) <= 0) + return EOF; + return c; + } else + return getc(F); +} + +static int +block_read(int fd, void *buf, size_t len) +{ + unsigned char *p = buf; + int b; + while(len) { + b = read(fd, p, len); + if (b == 0) + return 0; + else if (b < 0) + return -1; + len -= b; + p += b; + } + return p - (unsigned char*)buf; +} + +static int +block_write(int fd, void *buf, size_t len) +{ + unsigned char *p = buf; + int b; + while(len) { + b = write(fd, p, len); + if(b < 0) + return -1; + len -= b; + p += b; + } + return p - (unsigned char*)buf; +} + +static int +sec_get_data(int fd, struct buffer *buf, int level) +{ + int len; + int b; + + b = block_read(fd, &len, sizeof(len)); + if (b == 0) + return 0; + else if (b < 0) + return -1; + len = ntohl(len); + buf->data = realloc(buf->data, len); + b = block_read(fd, buf->data, len); + if (b == 0) + return 0; + else if (b < 0) + return -1; + buf->size = (*mech->decode)(app_data, buf->data, len, data_prot); + buf->index = 0; + return 0; +} + +static size_t +buffer_read(struct buffer *buf, void *data, size_t len) +{ + len = min(len, buf->size - buf->index); + memcpy(data, (char*)buf->data + buf->index, len); + buf->index += len; + return len; +} + +static size_t +buffer_write(struct buffer *buf, void *data, size_t len) +{ + if(buf->index + len > buf->size) { + void *tmp; + if(buf->data == NULL) + tmp = malloc(1024); + else + tmp = realloc(buf->data, buf->index + len); + if(tmp == NULL) + return -1; + buf->data = tmp; + buf->size = buf->index + len; + } + memcpy((char*)buf->data + buf->index, data, len); + buf->index += len; + return len; +} + +int +sec_read(int fd, void *data, int length) +{ + size_t len; + int rx = 0; + + if(sec_complete == 0 || data_prot == 0) + return read(fd, data, length); + + if(in_buffer.eof_flag){ + in_buffer.eof_flag = 0; + return 0; + } + + len = buffer_read(&in_buffer, data, length); + length -= len; + rx += len; + data = (char*)data + len; + + while(length){ + if(sec_get_data(fd, &in_buffer, data_prot) < 0) + return -1; + if(in_buffer.size == 0) { + if(rx) + in_buffer.eof_flag = 1; + return rx; + } + len = buffer_read(&in_buffer, data, length); + length -= len; + rx += len; + data = (char*)data + len; + } + return rx; +} + +static int +sec_send(int fd, char *from, int length) +{ + int bytes; + void *buf; + bytes = (*mech->encode)(app_data, from, length, data_prot, &buf); + bytes = htonl(bytes); + block_write(fd, &bytes, sizeof(bytes)); + block_write(fd, buf, ntohl(bytes)); + free(buf); + return length; +} + +int +sec_fflush(FILE *F) +{ + if(data_prot != prot_clear) { + if(out_buffer.index > 0){ + sec_write(fileno(F), out_buffer.data, out_buffer.index); + out_buffer.index = 0; + } + sec_send(fileno(F), NULL, 0); + } + fflush(F); + return 0; +} + +int +sec_write(int fd, char *data, int length) +{ + int len = buffer_size; + int tx = 0; + + if(data_prot == prot_clear) + return write(fd, data, length); + + len -= (*mech->overhead)(app_data, data_prot, len); + while(length){ + if(length < len) + len = length; + sec_send(fd, data, len); + length -= len; + data += len; + tx += len; + } + return tx; +} + +int +sec_vfprintf2(FILE *f, const char *fmt, va_list ap) +{ + char *buf; + int ret; + if(data_prot == prot_clear) + return vfprintf(f, fmt, ap); + else { + vasprintf(&buf, fmt, ap); + ret = buffer_write(&out_buffer, buf, strlen(buf)); + free(buf); + return ret; + } +} + +int +sec_fprintf2(FILE *f, const char *fmt, ...) +{ + int ret; + va_list ap; + va_start(ap, fmt); + ret = sec_vfprintf2(f, fmt, ap); + va_end(ap); + return ret; +} + +int +sec_putc(int c, FILE *F) +{ + char ch = c; + if(data_prot == prot_clear) + return putc(c, F); + + buffer_write(&out_buffer, &ch, 1); + if(c == '\n' || out_buffer.index >= 1024 /* XXX */) { + sec_write(fileno(F), out_buffer.data, out_buffer.index); + out_buffer.index = 0; + } + return c; +} + +int +sec_read_msg(char *s, int level) +{ + int len; + char *buf; + int code; + + buf = malloc(strlen(s)); + len = base64_decode(s + 4, buf); /* XXX */ + + len = (*mech->decode)(app_data, buf, len, level); + if(len < 0) + return -1; + + buf[len] = '\0'; + + if(buf[3] == '-') + code = 0; + else + sscanf(buf, "%d", &code); + if(buf[len-1] == '\n') + buf[len-1] = '\0'; + strcpy(s, buf); + free(buf); + return code; +} + +int +sec_vfprintf(FILE *f, const char *fmt, va_list ap) +{ + char *buf; + void *enc; + int len; + if(!sec_complete) + return vfprintf(f, fmt, ap); + + vasprintf(&buf, fmt, ap); + len = (*mech->encode)(app_data, buf, strlen(buf), command_prot, &enc); + free(buf); + if(len < 0) { + printf("Failed to encode command.\n"); + return -1; + } + if(base64_encode(enc, len, &buf) < 0){ + printf("Out of memory base64-encoding.\n"); + return -1; + } +#ifdef FTP_SERVER + if(command_prot == prot_safe) + fprintf(f, "631 %s\r\n", buf); + else if(command_prot == prot_private) + fprintf(f, "632 %s\r\n", buf); + else if(command_prot == prot_confidential) + fprintf(f, "633 %s\r\n", buf); +#else + if(command_prot == prot_safe) + fprintf(f, "MIC %s", buf); + else if(command_prot == prot_private) + fprintf(f, "ENC %s", buf); + else if(command_prot == prot_confidential) + fprintf(f, "CONF %s", buf); +#endif + free(buf); + return 0; +} + +int +sec_fprintf(FILE *f, const char *fmt, ...) +{ + va_list ap; + int ret; + va_start(ap, fmt); + ret = sec_vfprintf(f, fmt, ap); + va_end(ap); + return ret; +} + +/* end common stuff */ + +#ifdef FTP_SERVER + +void +auth(char *auth_name) +{ + int i; + for(i = 0; (mech = mechs[i]) != NULL; i++){ + if(!strcasecmp(auth_name, mech->name)){ + app_data = realloc(app_data, mech->size); + if(mech->init && (*mech->init)(app_data) != 0) { + reply(431, "Unable to accept %s at this time", mech->name); + return; + } + if(mech->auth) { + (*mech->auth)(app_data); + return; + } + if(mech->adat) + reply(334, "Send authorization data."); + else + reply(234, "Authorization complete."); + return; + } + } + free (app_data); + reply(504, "%s is unknown to me", auth_name); +} + +void +adat(char *auth_data) +{ + if(mech && !sec_complete) { + void *buf = malloc(strlen(auth_data)); + size_t len; + len = base64_decode(auth_data, buf); + (*mech->adat)(app_data, buf, len); + free(buf); + } else + reply(503, "You must %sissue an AUTH first.", mech ? "re-" : ""); +} + +void pbsz(int size) +{ + size_t new = size; + if(!sec_complete) + reply(503, "Incomplete security data exchange."); + if(mech->pbsz) + new = (*mech->pbsz)(app_data, size); + if(buffer_size != new){ + buffer_size = size; + } + if(new != size) + reply(200, "PBSZ=%lu", (unsigned long)new); + else + reply(200, "OK"); +} + +void +prot(char *pl) +{ + int p = -1; + + if(buffer_size == 0){ + reply(503, "No protection buffer size negotiated."); + return; + } + + if(!strcasecmp(pl, "C")) + p = prot_clear; + else if(!strcasecmp(pl, "S")) + p = prot_safe; + else if(!strcasecmp(pl, "E")) + p = prot_confidential; + else if(!strcasecmp(pl, "P")) + p = prot_private; + else { + reply(504, "Unrecognized protection level."); + return; + } + + if(sec_complete){ + if((*mech->check_prot)(app_data, p)){ + reply(536, "%s does not support %s protection.", + mech->name, level_to_name(p)); + }else{ + data_prot = (enum protection_level)p; + reply(200, "Data protection is %s.", level_to_name(p)); + } + }else{ + reply(503, "Incomplete security data exchange."); + } +} + +void ccc(void) +{ + if(sec_complete){ + if(mech->ccc && (*mech->ccc)(app_data) == 0) + command_prot = data_prot = prot_clear; + else + reply(534, "You must be joking."); + }else + reply(503, "Incomplete security data exchange."); +} + +void mec(char *msg, enum protection_level level) +{ + void *buf; + size_t len; + if(!sec_complete) { + reply(503, "Incomplete security data exchange."); + return; + } + buf = malloc(strlen(msg) + 2); /* XXX go figure out where that 2 + comes from :-) */ + len = base64_decode(msg, buf); + command_prot = level; + if(len == (size_t)-1) { + reply(501, "Failed to base64-decode command"); + return; + } + len = (*mech->decode)(app_data, buf, len, level); + if(len == (size_t)-1) { + reply(535, "Failed to decode command"); + return; + } + ((char*)buf)[len] = '\0'; + if(strstr((char*)buf, "\r\n") == NULL) + strcat((char*)buf, "\r\n"); + new_ftp_command(buf); +} + +/* ------------------------------------------------------------ */ + +int +sec_userok(char *user) +{ + if(sec_complete) + return (*mech->userok)(app_data, user); + return 0; +} + +char *ftp_command; + +void +new_ftp_command(char *command) +{ + ftp_command = command; +} + +void +delete_ftp_command(void) +{ + free(ftp_command); + ftp_command = NULL; +} + +int +secure_command(void) +{ + return ftp_command != NULL; +} + +enum protection_level +get_command_prot(void) +{ + return command_prot; +} + +#else /* FTP_SERVER */ + +void +sec_status(void) +{ + if(sec_complete){ + printf("Using %s for authentication.\n", mech->name); + printf("Using %s command channel.\n", level_to_name(command_prot)); + printf("Using %s data channel.\n", level_to_name(data_prot)); + if(buffer_size > 0) + printf("Protection buffer size: %lu.\n", + (unsigned long)buffer_size); + }else{ + printf("Not using any security mechanism.\n"); + } +} + +static int +sec_prot_internal(int level) +{ + int ret; + char *p; + unsigned int s = 1048576; + + int old_verbose = verbose; + verbose = 0; + + if(!sec_complete){ + printf("No security data exchange has taken place.\n"); + return -1; + } + + if(level){ + ret = command("PBSZ %u", s); + if(ret != COMPLETE){ + printf("Failed to set protection buffer size.\n"); + return -1; + } + buffer_size = s; + p = strstr(reply_string, "PBSZ="); + if(p) + sscanf(p, "PBSZ=%u", &s); + if(s < buffer_size) + buffer_size = s; + } + verbose = old_verbose; + ret = command("PROT %c", level["CSEP"]); /* XXX :-) */ + if(ret != COMPLETE){ + printf("Failed to set protection level.\n"); + return -1; + } + + data_prot = (enum protection_level)level; + return 0; +} + +enum protection_level +set_command_prot(enum protection_level level) +{ + enum protection_level old = command_prot; + command_prot = level; + return old; +} + +void +sec_prot(int argc, char **argv) +{ + int level = -1; + + if(argc < 2 || argc > 3) + goto usage; + if(!sec_complete) { + printf("No security data exchange has taken place.\n"); + code = -1; + return; + } + level = name_to_level(argv[argc - 1]); + + if(level == -1) + goto usage; + + if((*mech->check_prot)(app_data, level)) { + printf("%s does not implement %s protection.\n", + mech->name, level_to_name(level)); + code = -1; + return; + } + + if(argc == 2 || strncasecmp(argv[1], "data", strlen(argv[1])) == 0) { + if(sec_prot_internal(level) < 0){ + code = -1; + return; + } + } else if(strncasecmp(argv[1], "command", strlen(argv[1])) == 0) + set_command_prot(level); + else + goto usage; + code = 0; + return; + usage: + printf("usage: %s [command|data] [clear|safe|confidential|private]\n", + argv[0]); + code = -1; +} + +static enum protection_level request_data_prot; + +void +sec_set_protection_level(void) +{ + if(sec_complete && data_prot != request_data_prot) + sec_prot_internal(request_data_prot); +} + + +int +sec_request_prot(char *level) +{ + int l = name_to_level(level); + if(l == -1) + return -1; + request_data_prot = (enum protection_level)l; + return 0; +} + +int +sec_login(char *host) +{ + int ret; + struct sec_client_mech **m; + int old_verbose = verbose; + + verbose = -1; /* shut up all messages this will produce (they + are usually not very user friendly) */ + + for(m = mechs; *m && (*m)->name; m++) { + void *tmp; + + tmp = realloc(app_data, (*m)->size); + if (tmp == NULL) { + warnx ("realloc %u failed", (*m)->size); + return -1; + } + app_data = tmp; + + if((*m)->init && (*(*m)->init)(app_data) != 0) { + printf("Skipping %s...\n", (*m)->name); + continue; + } + printf("Trying %s...\n", (*m)->name); + ret = command("AUTH %s", (*m)->name); + if(ret != CONTINUE){ + if(code == 504){ + printf("%s is not supported by the server.\n", (*m)->name); + }else if(code == 534){ + printf("%s rejected as security mechanism.\n", (*m)->name); + }else if(ret == ERROR) { + printf("The server doesn't support the FTP " + "security extensions.\n"); + verbose = old_verbose; + return -1; + } + continue; + } + + ret = (*(*m)->auth)(app_data, host); + + if(ret == AUTH_CONTINUE) + continue; + else if(ret != AUTH_OK){ + /* mechanism is supposed to output error string */ + verbose = old_verbose; + return -1; + } + mech = *m; + sec_complete = 1; + command_prot = prot_safe; + break; + } + + verbose = old_verbose; + return *m == NULL; +} + +void +sec_end(void) +{ + if (mech != NULL) { + if(mech->end) + (*mech->end)(app_data); + memset(app_data, 0, mech->size); + free(app_data); + app_data = NULL; + } + sec_complete = 0; + data_prot = (enum protection_level)0; +} + +#endif /* FTP_SERVER */ + diff --git a/crypto/heimdal/appl/ftp/ftp/security.h b/crypto/heimdal/appl/ftp/ftp/security.h new file mode 100644 index 0000000..6fe0694 --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftp/security.h @@ -0,0 +1,131 @@ +/* + * Copyright (c) 1998, 1999 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* $Id: security.h,v 1.7 1999/12/02 16:58:30 joda Exp $ */ + +#ifndef __security_h__ +#define __security_h__ + +enum protection_level { + prot_clear, + prot_safe, + prot_confidential, + prot_private +}; + +struct sec_client_mech { + char *name; + size_t size; + int (*init)(void *); + int (*auth)(void *, char*); + void (*end)(void *); + int (*check_prot)(void *, int); + int (*overhead)(void *, int, int); + int (*encode)(void *, void*, int, int, void**); + int (*decode)(void *, void*, int, int); +}; + +struct sec_server_mech { + char *name; + size_t size; + int (*init)(void *); + void (*end)(void *); + int (*check_prot)(void *, int); + int (*overhead)(void *, int, int); + int (*encode)(void *, void*, int, int, void**); + int (*decode)(void *, void*, int, int); + + int (*auth)(void *); + int (*adat)(void *, void*, size_t); + size_t (*pbsz)(void *, size_t); + int (*ccc)(void*); + int (*userok)(void*, char*); +}; + +#define AUTH_OK 0 +#define AUTH_CONTINUE 1 +#define AUTH_ERROR 2 + +#ifdef FTP_SERVER +extern struct sec_server_mech krb4_server_mech, gss_server_mech; +#else +extern struct sec_client_mech krb4_client_mech, gss_client_mech; +#endif + +extern int sec_complete; + +#ifdef FTP_SERVER +extern char *ftp_command; +void new_ftp_command(char*); +void delete_ftp_command(void); +#endif + +/* ---- */ + + +int sec_fflush (FILE *); +int sec_fprintf (FILE *, const char *, ...); +int sec_getc (FILE *); +int sec_putc (int, FILE *); +int sec_read (int, void *, int); +int sec_read_msg (char *, int); +int sec_vfprintf (FILE *, const char *, va_list); +int sec_fprintf2(FILE *f, const char *fmt, ...); +int sec_vfprintf2(FILE *, const char *, va_list); +int sec_write (int, char *, int); + +#ifdef FTP_SERVER +void adat (char *); +void auth (char *); +void ccc (void); +void mec (char *, enum protection_level); +void pbsz (int); +void prot (char *); +void delete_ftp_command (void); +void new_ftp_command (char *); +int sec_userok (char *); +int secure_command (void); +enum protection_level get_command_prot(void); +#else +void sec_end (void); +int sec_login (char *); +void sec_prot (int, char **); +int sec_request_prot (char *); +void sec_set_protection_level (void); +void sec_status (void); + +enum protection_level set_command_prot(enum protection_level); + +#endif + +#endif /* __security_h__ */ diff --git a/crypto/heimdal/appl/ftp/ftpd/Makefile.am b/crypto/heimdal/appl/ftp/ftpd/Makefile.am new file mode 100644 index 0000000..92d8e7c --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftpd/Makefile.am @@ -0,0 +1,56 @@ +# $Id: Makefile.am,v 1.21 2000/01/06 15:10:57 assar Exp $ + +include $(top_srcdir)/Makefile.am.common + +INCLUDES += -I$(srcdir)/../common $(INCLUDE_krb4) -DFTP_SERVER + +libexec_PROGRAMS = ftpd + +CHECK_LOCAL = + +if KRB4 +krb4_sources = krb4.c kauth.c +endif +if KRB5 +krb5_sources = gssapi.c gss_userok.c +endif + +ftpd_SOURCES = \ + extern.h \ + ftpcmd.y \ + ftpd.c \ + ftpd_locl.h \ + logwtmp.c \ + ls.c \ + pathnames.h \ + popen.c \ + security.c \ + $(krb4_sources) \ + $(krb5_sources) + +EXTRA_ftpd_SOURCES = krb4.c kauth.c gssapi.c gss_userok.c + +$(ftpd_OBJECTS): security.h + +security.c: + @test -f security.c || $(LN_S) $(srcdir)/../ftp/security.c . +security.h: + @test -f security.h || $(LN_S) $(srcdir)/../ftp/security.h . +krb4.c: + @test -f krb4.c || $(LN_S) $(srcdir)/../ftp/krb4.c . +gssapi.c: + @test -f gssapi.c || $(LN_S) $(srcdir)/../ftp/gssapi.c . + +CLEANFILES = security.c security.h krb4.c gssapi.c ftpcmd.c + +man_MANS = ftpd.8 ftpusers.5 + +LDADD = ../common/libcommon.a \ + $(LIB_kafs) \ + $(LIB_gssapi) \ + $(LIB_krb5) \ + $(LIB_krb4) \ + $(LIB_otp) \ + $(top_builddir)/lib/des/libdes.la \ + $(LIB_roken) \ + $(DBLIB) diff --git a/crypto/heimdal/appl/ftp/ftpd/Makefile.in b/crypto/heimdal/appl/ftp/ftpd/Makefile.in new file mode 100644 index 0000000..1cd211b --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftpd/Makefile.in @@ -0,0 +1,768 @@ +# Makefile.in generated automatically by automake 1.4 from Makefile.am + +# Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +# $Id: Makefile.am,v 1.21 2000/01/06 15:10:57 assar Exp $ + + +# $Id: Makefile.am.common,v 1.3 1999/04/01 14:58:43 joda Exp $ + + +# $Id: Makefile.am.common,v 1.13 1999/11/01 03:19:58 assar Exp $ + + +SHELL = @SHELL@ + +srcdir = @srcdir@ +top_srcdir = @top_srcdir@ +VPATH = @srcdir@ +prefix = @prefix@ +exec_prefix = @exec_prefix@ + +bindir = @bindir@ +sbindir = @sbindir@ +libexecdir = @libexecdir@ +datadir = @datadir@ +sysconfdir = @sysconfdir@ +sharedstatedir = @sharedstatedir@ +localstatedir = @localstatedir@ +libdir = @libdir@ +infodir = @infodir@ +mandir = @mandir@ +includedir = @includedir@ +oldincludedir = /usr/include + +DESTDIR = + +pkgdatadir = $(datadir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ + +top_builddir = ../../.. + +ACLOCAL = @ACLOCAL@ +AUTOCONF = @AUTOCONF@ +AUTOMAKE = @AUTOMAKE@ +AUTOHEADER = @AUTOHEADER@ + +INSTALL = @INSTALL@ +INSTALL_PROGRAM = @INSTALL_PROGRAM@ $(AM_INSTALL_PROGRAM_FLAGS) +INSTALL_DATA = @INSTALL_DATA@ +INSTALL_SCRIPT = @INSTALL_SCRIPT@ +transform = @program_transform_name@ + +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +host_alias = @host_alias@ +host_triplet = @host@ +AFS_EXTRA_LD = @AFS_EXTRA_LD@ +AIX_EXTRA_KAFS = @AIX_EXTRA_KAFS@ +AWK = @AWK@ +CANONICAL_HOST = @CANONICAL_HOST@ +CATMAN = @CATMAN@ +CATMANEXT = @CATMANEXT@ +CC = @CC@ +DBLIB = @DBLIB@ +EXEEXT = @EXEEXT@ +EXTRA_LIB45 = @EXTRA_LIB45@ +GROFF = @GROFF@ +INCLUDE_ = @INCLUDE_@ +LD = @LD@ +LEX = @LEX@ +LIBOBJS = @LIBOBJS@ +LIBTOOL = @LIBTOOL@ +LIB_ = @LIB_@ +LIB_AUTH_SUBDIRS = @LIB_AUTH_SUBDIRS@ +LIB_kdb = @LIB_kdb@ +LIB_otp = @LIB_otp@ +LIB_roken = @LIB_roken@ +LIB_security = @LIB_security@ +LN_S = @LN_S@ +LTLIBOBJS = @LTLIBOBJS@ +MAKEINFO = @MAKEINFO@ +MAKE_X_PROGS_BIN_PROGS = @MAKE_X_PROGS_BIN_PROGS@ +MAKE_X_PROGS_BIN_SCRPTS = @MAKE_X_PROGS_BIN_SCRPTS@ +MAKE_X_PROGS_LIBEXEC_PROGS = @MAKE_X_PROGS_LIBEXEC_PROGS@ +NEED_WRITEAUTH_FALSE = @NEED_WRITEAUTH_FALSE@ +NEED_WRITEAUTH_TRUE = @NEED_WRITEAUTH_TRUE@ +NM = @NM@ +NROFF = @NROFF@ +OBJEXT = @OBJEXT@ +PACKAGE = @PACKAGE@ +RANLIB = @RANLIB@ +VERSION = @VERSION@ +VOID_RETSIGTYPE = @VOID_RETSIGTYPE@ +WFLAGS = @WFLAGS@ +WFLAGS_NOIMPLICITINT = @WFLAGS_NOIMPLICITINT@ +WFLAGS_NOUNUSED = @WFLAGS_NOUNUSED@ +YACC = @YACC@ + +AUTOMAKE_OPTIONS = foreign no-dependencies + +SUFFIXES = .et .h .1 .3 .5 .8 .cat1 .cat3 .cat5 .cat8 .x + +INCLUDES = -I$(top_builddir)/include -I$(srcdir)/../common $(INCLUDE_krb4) -DFTP_SERVER + +AM_CFLAGS = $(WFLAGS) + +COMPILE_ET = $(top_builddir)/lib/com_err/compile_et + +buildinclude = $(top_builddir)/include + +LIB_XauReadAuth = @LIB_XauReadAuth@ +LIB_crypt = @LIB_crypt@ +LIB_dbm_firstkey = @LIB_dbm_firstkey@ +LIB_dbopen = @LIB_dbopen@ +LIB_dlopen = @LIB_dlopen@ +LIB_dn_expand = @LIB_dn_expand@ +LIB_el_init = @LIB_el_init@ +LIB_getattr = @LIB_getattr@ +LIB_gethostbyname = @LIB_gethostbyname@ +LIB_getpwent_r = @LIB_getpwent_r@ +LIB_getpwnam_r = @LIB_getpwnam_r@ +LIB_getsockopt = @LIB_getsockopt@ +LIB_logout = @LIB_logout@ +LIB_logwtmp = @LIB_logwtmp@ +LIB_odm_initialize = @LIB_odm_initialize@ +LIB_readline = @LIB_readline@ +LIB_res_search = @LIB_res_search@ +LIB_setpcred = @LIB_setpcred@ +LIB_setsockopt = @LIB_setsockopt@ +LIB_socket = @LIB_socket@ +LIB_syslog = @LIB_syslog@ +LIB_tgetent = @LIB_tgetent@ + +HESIODLIB = @HESIODLIB@ +HESIODINCLUDE = @HESIODINCLUDE@ +INCLUDE_hesiod = @INCLUDE_hesiod@ +LIB_hesiod = @LIB_hesiod@ + +INCLUDE_krb4 = @INCLUDE_krb4@ +LIB_krb4 = @LIB_krb4@ + +INCLUDE_readline = @INCLUDE_readline@ + +LEXLIB = @LEXLIB@ + +cat1dir = $(mandir)/cat1 +cat3dir = $(mandir)/cat3 +cat5dir = $(mandir)/cat5 +cat8dir = $(mandir)/cat8 + +MANRX = \(.*\)\.\([0-9]\) +CATSUFFIX = @CATSUFFIX@ + +NROFF_MAN = groff -mandoc -Tascii + +@KRB4_TRUE@LIB_kafs = $(top_builddir)/lib/kafs/libkafs.la $(AIX_EXTRA_KAFS) + +@KRB5_TRUE@LIB_krb5 = $(top_builddir)/lib/krb5/libkrb5.la $(top_builddir)/lib/asn1/libasn1.la +@KRB5_TRUE@LIB_gssapi = $(top_builddir)/lib/gssapi/libgssapi.la + +CHECK_LOCAL = + +libexec_PROGRAMS = ftpd + +@KRB4_TRUE@krb4_sources = krb4.c kauth.c +@KRB5_TRUE@krb5_sources = gssapi.c gss_userok.c + +ftpd_SOURCES = extern.h ftpcmd.y ftpd.c ftpd_locl.h logwtmp.c ls.c pathnames.h popen.c security.c $(krb4_sources) $(krb5_sources) + + +EXTRA_ftpd_SOURCES = krb4.c kauth.c gssapi.c gss_userok.c + +CLEANFILES = security.c security.h krb4.c gssapi.c ftpcmd.c + +man_MANS = ftpd.8 ftpusers.5 + +LDADD = ../common/libcommon.a $(LIB_kafs) $(LIB_gssapi) $(LIB_krb5) $(LIB_krb4) $(LIB_otp) $(top_builddir)/lib/des/libdes.la $(LIB_roken) $(DBLIB) + +mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs +CONFIG_HEADER = ../../../include/config.h +CONFIG_CLEAN_FILES = +libexec_PROGRAMS = ftpd$(EXEEXT) +PROGRAMS = $(libexec_PROGRAMS) + + +DEFS = @DEFS@ -I. -I$(srcdir) -I../../../include +CPPFLAGS = @CPPFLAGS@ +LDFLAGS = @LDFLAGS@ +LIBS = @LIBS@ +X_CFLAGS = @X_CFLAGS@ +X_LIBS = @X_LIBS@ +X_EXTRA_LIBS = @X_EXTRA_LIBS@ +X_PRE_LIBS = @X_PRE_LIBS@ +@KRB4_TRUE@@KRB5_FALSE@ftpd_OBJECTS = ftpcmd.$(OBJEXT) ftpd.$(OBJEXT) \ +@KRB4_TRUE@@KRB5_FALSE@logwtmp.$(OBJEXT) ls.$(OBJEXT) popen.$(OBJEXT) \ +@KRB4_TRUE@@KRB5_FALSE@security.$(OBJEXT) krb4.$(OBJEXT) \ +@KRB4_TRUE@@KRB5_FALSE@kauth.$(OBJEXT) +@KRB4_FALSE@@KRB5_TRUE@ftpd_OBJECTS = ftpcmd.$(OBJEXT) ftpd.$(OBJEXT) \ +@KRB4_FALSE@@KRB5_TRUE@logwtmp.$(OBJEXT) ls.$(OBJEXT) popen.$(OBJEXT) \ +@KRB4_FALSE@@KRB5_TRUE@security.$(OBJEXT) gssapi.$(OBJEXT) \ +@KRB4_FALSE@@KRB5_TRUE@gss_userok.$(OBJEXT) +@KRB4_FALSE@@KRB5_FALSE@ftpd_OBJECTS = ftpcmd.$(OBJEXT) ftpd.$(OBJEXT) \ +@KRB4_FALSE@@KRB5_FALSE@logwtmp.$(OBJEXT) ls.$(OBJEXT) popen.$(OBJEXT) \ +@KRB4_FALSE@@KRB5_FALSE@security.$(OBJEXT) +@KRB4_TRUE@@KRB5_TRUE@ftpd_OBJECTS = ftpcmd.$(OBJEXT) ftpd.$(OBJEXT) \ +@KRB4_TRUE@@KRB5_TRUE@logwtmp.$(OBJEXT) ls.$(OBJEXT) popen.$(OBJEXT) \ +@KRB4_TRUE@@KRB5_TRUE@security.$(OBJEXT) krb4.$(OBJEXT) kauth.$(OBJEXT) \ +@KRB4_TRUE@@KRB5_TRUE@gssapi.$(OBJEXT) gss_userok.$(OBJEXT) +ftpd_LDADD = $(LDADD) +@KRB4_TRUE@@KRB5_FALSE@ftpd_DEPENDENCIES = ../common/libcommon.a \ +@KRB4_TRUE@@KRB5_FALSE@$(top_builddir)/lib/kafs/libkafs.la \ +@KRB4_TRUE@@KRB5_FALSE@$(top_builddir)/lib/des/libdes.la +@KRB4_FALSE@@KRB5_TRUE@ftpd_DEPENDENCIES = ../common/libcommon.a \ +@KRB4_FALSE@@KRB5_TRUE@$(top_builddir)/lib/gssapi/libgssapi.la \ +@KRB4_FALSE@@KRB5_TRUE@$(top_builddir)/lib/krb5/libkrb5.la \ +@KRB4_FALSE@@KRB5_TRUE@$(top_builddir)/lib/asn1/libasn1.la \ +@KRB4_FALSE@@KRB5_TRUE@$(top_builddir)/lib/des/libdes.la +@KRB4_FALSE@@KRB5_FALSE@ftpd_DEPENDENCIES = ../common/libcommon.a \ +@KRB4_FALSE@@KRB5_FALSE@$(top_builddir)/lib/des/libdes.la +@KRB4_TRUE@@KRB5_TRUE@ftpd_DEPENDENCIES = ../common/libcommon.a \ +@KRB4_TRUE@@KRB5_TRUE@$(top_builddir)/lib/kafs/libkafs.la \ +@KRB4_TRUE@@KRB5_TRUE@$(top_builddir)/lib/gssapi/libgssapi.la \ +@KRB4_TRUE@@KRB5_TRUE@$(top_builddir)/lib/krb5/libkrb5.la \ +@KRB4_TRUE@@KRB5_TRUE@$(top_builddir)/lib/asn1/libasn1.la \ +@KRB4_TRUE@@KRB5_TRUE@$(top_builddir)/lib/des/libdes.la +ftpd_LDFLAGS = +CFLAGS = @CFLAGS@ +COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) +LTCOMPILE = $(LIBTOOL) --mode=compile $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) +CCLD = $(CC) +LINK = $(LIBTOOL) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ +man5dir = $(mandir)/man5 +man8dir = $(mandir)/man8 +MANS = $(man_MANS) +DIST_COMMON = Makefile.am Makefile.in ftpcmd.c + + +DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST) + +TAR = tar +GZIP_ENV = --best +SOURCES = $(ftpd_SOURCES) $(EXTRA_ftpd_SOURCES) +OBJECTS = $(ftpd_OBJECTS) + +all: all-redirect +.SUFFIXES: +.SUFFIXES: .1 .3 .5 .8 .S .c .cat1 .cat3 .cat5 .cat8 .et .h .lo .o .obj .s .x .y +$(srcdir)/Makefile.in: Makefile.am $(top_srcdir)/configure.in $(ACLOCAL_M4) $(top_srcdir)/Makefile.am.common $(top_srcdir)/cf/Makefile.am.common + cd $(top_srcdir) && $(AUTOMAKE) --foreign appl/ftp/ftpd/Makefile + +Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status + cd $(top_builddir) \ + && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status + + +mostlyclean-libexecPROGRAMS: + +clean-libexecPROGRAMS: + -test -z "$(libexec_PROGRAMS)" || rm -f $(libexec_PROGRAMS) + +distclean-libexecPROGRAMS: + +maintainer-clean-libexecPROGRAMS: + +install-libexecPROGRAMS: $(libexec_PROGRAMS) + @$(NORMAL_INSTALL) + $(mkinstalldirs) $(DESTDIR)$(libexecdir) + @list='$(libexec_PROGRAMS)'; for p in $$list; do \ + if test -f $$p; then \ + echo " $(LIBTOOL) --mode=install $(INSTALL_PROGRAM) $$p $(DESTDIR)$(libexecdir)/`echo $$p|sed 's/$(EXEEXT)$$//'|sed '$(transform)'|sed 's/$$/$(EXEEXT)/'`"; \ + $(LIBTOOL) --mode=install $(INSTALL_PROGRAM) $$p $(DESTDIR)$(libexecdir)/`echo $$p|sed 's/$(EXEEXT)$$//'|sed '$(transform)'|sed 's/$$/$(EXEEXT)/'`; \ + else :; fi; \ + done + +uninstall-libexecPROGRAMS: + @$(NORMAL_UNINSTALL) + list='$(libexec_PROGRAMS)'; for p in $$list; do \ + rm -f $(DESTDIR)$(libexecdir)/`echo $$p|sed 's/$(EXEEXT)$$//'|sed '$(transform)'|sed 's/$$/$(EXEEXT)/'`; \ + done + +.c.o: + $(COMPILE) -c $< + +# FIXME: We should only use cygpath when building on Windows, +# and only if it is available. +.c.obj: + $(COMPILE) -c `cygpath -w $<` + +.s.o: + $(COMPILE) -c $< + +.S.o: + $(COMPILE) -c $< + +mostlyclean-compile: + -rm -f *.o core *.core + -rm -f *.$(OBJEXT) + +clean-compile: + +distclean-compile: + -rm -f *.tab.c + +maintainer-clean-compile: + +.c.lo: + $(LIBTOOL) --mode=compile $(COMPILE) -c $< + +.s.lo: + $(LIBTOOL) --mode=compile $(COMPILE) -c $< + +.S.lo: + $(LIBTOOL) --mode=compile $(COMPILE) -c $< + +mostlyclean-libtool: + -rm -f *.lo + +clean-libtool: + -rm -rf .libs _libs + +distclean-libtool: + +maintainer-clean-libtool: + +ftpd$(EXEEXT): $(ftpd_OBJECTS) $(ftpd_DEPENDENCIES) + @rm -f ftpd$(EXEEXT) + $(LINK) $(ftpd_LDFLAGS) $(ftpd_OBJECTS) $(ftpd_LDADD) $(LIBS) +.y.c: + $(YACC) $(AM_YFLAGS) $(YFLAGS) $< && mv y.tab.c $*.c + if test -f y.tab.h; then \ + if cmp -s y.tab.h $*.h; then rm -f y.tab.h; else mv y.tab.h $*.h; fi; \ + else :; fi +ftpcmd.h: ftpcmd.c + + +install-man5: + $(mkinstalldirs) $(DESTDIR)$(man5dir) + @list='$(man5_MANS)'; \ + l2='$(man_MANS)'; for i in $$l2; do \ + case "$$i" in \ + *.5*) list="$$list $$i" ;; \ + esac; \ + done; \ + for i in $$list; do \ + if test -f $(srcdir)/$$i; then file=$(srcdir)/$$i; \ + else file=$$i; fi; \ + ext=`echo $$i | sed -e 's/^.*\\.//'`; \ + inst=`echo $$i | sed -e 's/\\.[0-9a-z]*$$//'`; \ + inst=`echo $$inst | sed '$(transform)'`.$$ext; \ + echo " $(INSTALL_DATA) $$file $(DESTDIR)$(man5dir)/$$inst"; \ + $(INSTALL_DATA) $$file $(DESTDIR)$(man5dir)/$$inst; \ + done + +uninstall-man5: + @list='$(man5_MANS)'; \ + l2='$(man_MANS)'; for i in $$l2; do \ + case "$$i" in \ + *.5*) list="$$list $$i" ;; \ + esac; \ + done; \ + for i in $$list; do \ + ext=`echo $$i | 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+install-data-local: install-cat-mans + +.et.h: + $(COMPILE_ET) $< +.et.c: + $(COMPILE_ET) $< + +.x.c: + @cmp -s $< $@ 2> /dev/null || cp $< $@ + +check-local:: + @foo='$(CHECK_LOCAL)'; \ + if test "$$foo"; then \ + failed=0; all=0; \ + for i in $$foo; do \ + all=`expr $$all + 1`; \ + if ./$$i --version > /dev/null 2>&1; then \ + echo "PASS: $$i"; \ + else \ + echo "FAIL: $$i"; \ + failed=`expr $$failed + 1`; \ + fi; \ + done; \ + if test "$$failed" -eq 0; then \ + banner="All $$all tests passed"; \ + else \ + banner="$$failed of $$all tests failed"; \ + fi; \ + dashes=`echo "$$banner" | sed s/./=/g`; \ + echo "$$dashes"; \ + echo "$$banner"; \ + echo "$$dashes"; \ + test "$$failed" -eq 0; \ + fi + +$(ftpd_OBJECTS): security.h + +security.c: + @test -f security.c || $(LN_S) $(srcdir)/../ftp/security.c . +security.h: + @test -f security.h || $(LN_S) $(srcdir)/../ftp/security.h . +krb4.c: + @test -f krb4.c || $(LN_S) $(srcdir)/../ftp/krb4.c . +gssapi.c: + @test -f gssapi.c || $(LN_S) $(srcdir)/../ftp/gssapi.c . + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/crypto/heimdal/appl/ftp/ftpd/extern.h b/crypto/heimdal/appl/ftp/ftpd/extern.h new file mode 100644 index 0000000..2e1e0d0 --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftpd/extern.h @@ -0,0 +1,160 @@ +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)extern.h 8.2 (Berkeley) 4/4/94 + */ + +#ifndef _EXTERN_H_ +#define _EXTERN_H_ + +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_NETINET_IN_H +#include <netinet/in.h> +#endif +#ifdef HAVE_NETDB_H +#include <netdb.h> +#endif + +#include <stdio.h> +#include <stdarg.h> +#include <setjmp.h> +#ifdef HAVE_PWD_H +#include <pwd.h> +#endif + +#ifdef HAVE_LIMITS_H +#include <limits.h> +#endif + +#ifndef NBBY +#define NBBY CHAR_BIT +#endif + +void abor(void); +void blkfree(char **); +char **copyblk(char **); +void cwd(char *); +void do_delete(char *); +void dologout(int); +void eprt(char *); +void epsv(char *); +void fatal(char *); +int filename_check(char *); +int ftpd_pclose(FILE *); +FILE *ftpd_popen(char *, char *, int, int); +char *ftpd_getline(char *, int); +void ftpd_logwtmp(char *, char *, char *); +void lreply(int, const char *, ...) +#ifdef __GNUC__ +__attribute__ ((format (printf, 2, 3))) +#endif +; +void makedir(char *); +void nack(char *); +void nreply(const char *, ...) +#ifdef __GNUC__ +__attribute__ ((format (printf, 1, 2))) +#endif +; +void pass(char *); +void pasv(void); +void perror_reply(int, const char *); +void pwd(void); +void removedir(char *); +void renamecmd(char *, char *); +char *renamefrom(char *); +void reply(int, const char *, ...) +#ifdef __GNUC__ +__attribute__ ((format (printf, 2, 3))) +#endif +; +void retrieve(const char *, char *); +void send_file_list(char *); +void setproctitle(const char *, ...) +#ifdef __GNUC__ +__attribute__ ((format (printf, 1, 2))) +#endif +; +void statcmd(void); +void statfilecmd(char *); +void do_store(char *, char *, int); +void upper(char *); +void user(char *); +void yyerror(char *); + +void list_file(char*); + +void kauth(char *, char*); +void klist(void); +void cond_kdestroy(void); +void kdestroy(void); +void krbtkfile(const char *tkfile); +void afslog(const char *cell); +void afsunlog(void); + +int find(char *); + +void builtin_ls(FILE*, const char*); + +int do_login(int code, char *passwd); +int klogin(char *name, char *password); + +const char *ftp_rooted(const char *path); + +extern struct sockaddr *ctrl_addr, *his_addr; +extern char hostname[]; + +extern struct sockaddr *data_dest; +extern int logged_in; +extern struct passwd *pw; +extern int guest; +extern int logging; +extern int type; +extern int oobflag; +extern off_t file_size; +extern off_t byte_count; +extern jmp_buf urgcatch; + +extern int form; +extern int debug; +extern int ftpd_timeout; +extern int maxtimeout; +extern int pdata; +extern char hostname[], remotehost[]; +extern char proctitle[]; +extern int usedefault; +extern int transflag; +extern char tmpline[]; + +#endif /* _EXTERN_H_ */ diff --git a/crypto/heimdal/appl/ftp/ftpd/ftpcmd.y b/crypto/heimdal/appl/ftp/ftpd/ftpcmd.y new file mode 100644 index 0000000..07ff9a5 --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftpd/ftpcmd.y @@ -0,0 +1,1455 @@ +/* $NetBSD: ftpcmd.y,v 1.6 1995/06/03 22:46:45 mycroft Exp $ */ + +/* + * Copyright (c) 1985, 1988, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)ftpcmd.y 8.3 (Berkeley) 4/6/94 + */ + +/* + * Grammar for FTP commands. + * See RFC 959. + */ + +%{ + +#include "ftpd_locl.h" +RCSID("$Id: ftpcmd.y,v 1.56 1999/10/26 11:56:23 assar Exp $"); + +off_t restart_point; + +static int cmd_type; +static int cmd_form; +static int cmd_bytesz; +char cbuf[2048]; +char *fromname; + +struct tab { + char *name; + short token; + short state; + short implemented; /* 1 if command is implemented */ + char *help; +}; + +extern struct tab cmdtab[]; +extern struct tab sitetab[]; + +static char *copy (char *); +static void help (struct tab *, char *); +static struct tab * + lookup (struct tab *, char *); +static void sizecmd (char *); +static RETSIGTYPE toolong (int); +static int yylex (void); + +/* This is for bison */ + +#if !defined(alloca) && !defined(HAVE_ALLOCA) +#define alloca(x) malloc(x) +#endif + +%} + +%union { + int i; + char *s; +} + +%token + A B C E F I + L N P R S T + + SP CRLF COMMA + + USER PASS ACCT REIN QUIT PORT + PASV TYPE STRU MODE RETR STOR + APPE MLFL MAIL MSND MSOM MSAM + MRSQ MRCP ALLO REST RNFR RNTO + ABOR DELE CWD LIST NLST SITE + sTAT HELP NOOP MKD RMD PWD + CDUP STOU SMNT SYST SIZE MDTM + EPRT EPSV + + UMASK IDLE CHMOD + + AUTH ADAT PROT PBSZ CCC MIC + CONF ENC + + KAUTH KLIST KDESTROY KRBTKFILE AFSLOG + LOCATE URL + + FEAT OPTS + + LEXERR + +%token <s> STRING +%token <i> NUMBER + +%type <i> check_login check_login_no_guest check_secure octal_number byte_size +%type <i> struct_code mode_code type_code form_code +%type <s> pathstring pathname password username + +%start cmd_list + +%% + +cmd_list + : /* empty */ + | cmd_list cmd + { + fromname = (char *) 0; + restart_point = (off_t) 0; + } + | cmd_list rcmd + ; + +cmd + : USER SP username CRLF + { + user($3); + free($3); + } + | PASS SP password CRLF + { + pass($3); + memset ($3, 0, strlen($3)); + free($3); + } + | PORT SP host_port CRLF + { + usedefault = 0; + if (pdata >= 0) { + close(pdata); + pdata = -1; + } + reply(200, "PORT command successful."); + } + | EPRT SP STRING CRLF + { + eprt ($3); + free ($3); + } + | PASV CRLF + { + pasv (); + } + | EPSV CRLF + { + epsv (NULL); + } + | EPSV SP STRING CRLF + { + epsv ($3); + free ($3); + } + | TYPE SP type_code CRLF + { + switch (cmd_type) { + + case TYPE_A: + if (cmd_form == FORM_N) { + reply(200, "Type set to A."); + type = cmd_type; + form = cmd_form; + } else + reply(504, "Form must be N."); + break; + + case TYPE_E: + reply(504, "Type E not implemented."); + break; + + case TYPE_I: + reply(200, "Type set to I."); + type = cmd_type; + break; + + case TYPE_L: +#if NBBY == 8 + if (cmd_bytesz == 8) { + reply(200, + "Type set to L (byte size 8)."); + type = cmd_type; + } else + reply(504, "Byte size must be 8."); +#else /* NBBY == 8 */ + UNIMPLEMENTED for NBBY != 8 +#endif /* NBBY == 8 */ + } + } + | STRU SP struct_code CRLF + { + switch ($3) { + + case STRU_F: + reply(200, "STRU F ok."); + break; + + default: + reply(504, "Unimplemented STRU type."); + } + } + | MODE SP mode_code CRLF + { + switch ($3) { + + case MODE_S: + reply(200, "MODE S ok."); + break; + + default: + reply(502, "Unimplemented MODE type."); + } + } + | ALLO SP NUMBER CRLF + { + reply(202, "ALLO command ignored."); + } + | ALLO SP NUMBER SP R SP NUMBER CRLF + { + reply(202, "ALLO command ignored."); + } + | RETR SP pathname CRLF check_login + { + char *name = $3; + + if ($5 && name != NULL) + retrieve(0, name); + if (name != NULL) + free(name); + } + | STOR SP pathname CRLF check_login + { + char *name = $3; + + if ($5 && name != NULL) + do_store(name, "w", 0); + if (name != NULL) + free(name); + } + | APPE SP pathname CRLF check_login + { + char *name = $3; + + if ($5 && name != NULL) + do_store(name, "a", 0); + if (name != NULL) + free(name); + } + | NLST CRLF check_login + { + if ($3) + send_file_list("."); + } + | NLST SP STRING CRLF check_login + { + char *name = $3; + + if ($5 && name != NULL) + send_file_list(name); + if (name != NULL) + free(name); + } + | LIST CRLF check_login + { + if($3) + list_file("."); + } + | LIST SP pathname CRLF check_login + { + if($5) + list_file($3); + free($3); + } + | sTAT SP pathname CRLF check_login + { + if ($5 && $3 != NULL) + statfilecmd($3); + if ($3 != NULL) + free($3); + } + | sTAT CRLF + { + if(oobflag){ + if (file_size != (off_t) -1) + reply(213, "Status: %lu of %lu bytes transferred", + (unsigned long)byte_count, + (unsigned long)file_size); + else + reply(213, "Status: %lu bytes transferred", + (unsigned long)byte_count); + }else + statcmd(); + } + | DELE SP pathname CRLF check_login_no_guest + { + if ($5 && $3 != NULL) + do_delete($3); + if ($3 != NULL) + free($3); + } + | RNTO SP pathname CRLF check_login_no_guest + { + if($5){ + if (fromname) { + renamecmd(fromname, $3); + free(fromname); + fromname = (char *) 0; + } else { + reply(503, "Bad sequence of commands."); + } + } + if ($3 != NULL) + free($3); + } + | ABOR CRLF + { + if(oobflag){ + reply(426, "Transfer aborted. Data connection closed."); + reply(226, "Abort successful"); + oobflag = 0; + longjmp(urgcatch, 1); + }else + reply(225, "ABOR command successful."); + } + | CWD CRLF check_login + { + if ($3) + cwd(pw->pw_dir); + } + | CWD SP pathname CRLF check_login + { + if ($5 && $3 != NULL) + cwd($3); + if ($3 != NULL) + free($3); + } + | HELP CRLF + { + help(cmdtab, (char *) 0); + } + | HELP SP STRING CRLF + { + char *cp = $3; + + if (strncasecmp(cp, "SITE", 4) == 0) { + cp = $3 + 4; + if (*cp == ' ') + cp++; + if (*cp) + help(sitetab, cp); + else + help(sitetab, (char *) 0); + } else + help(cmdtab, $3); + } + | NOOP CRLF + { + reply(200, "NOOP command successful."); + } + | MKD SP pathname CRLF check_login + { + if ($5 && $3 != NULL) + makedir($3); + if ($3 != NULL) + free($3); + } + | RMD SP pathname CRLF check_login_no_guest + { + if ($5 && $3 != NULL) + removedir($3); + if ($3 != NULL) + free($3); + } + | PWD CRLF check_login + { + if ($3) + pwd(); + } + | CDUP CRLF check_login + { + if ($3) + cwd(".."); + } + | FEAT CRLF + { + lreply(211, "Supported features:"); + lreply(0, " MDTM"); + lreply(0, " REST STREAM"); + lreply(0, " SIZE"); + reply(211, "End"); + } + | OPTS SP STRING CRLF + { + free ($3); + reply(501, "Bad options"); + } + + | SITE SP HELP CRLF + { + help(sitetab, (char *) 0); + } + | SITE SP HELP SP STRING CRLF + { + help(sitetab, $5); + } + | SITE SP UMASK CRLF check_login + { + if ($5) { + int oldmask = umask(0); + umask(oldmask); + reply(200, "Current UMASK is %03o", oldmask); + } + } + | SITE SP UMASK SP octal_number CRLF check_login_no_guest + { + if ($7) { + if (($5 == -1) || ($5 > 0777)) { + reply(501, "Bad UMASK value"); + } else { + int oldmask = umask($5); + reply(200, + "UMASK set to %03o (was %03o)", + $5, oldmask); + } + } + } + | SITE SP CHMOD SP octal_number SP pathname CRLF check_login_no_guest + { + if ($9 && $7 != NULL) { + if ($5 > 0777) + reply(501, + "CHMOD: Mode value must be between 0 and 0777"); + else if (chmod($7, $5) < 0) + perror_reply(550, $7); + else + reply(200, "CHMOD command successful."); + } + if ($7 != NULL) + free($7); + } + | SITE SP IDLE CRLF + { + reply(200, + "Current IDLE time limit is %d seconds; max %d", + ftpd_timeout, maxtimeout); + } + | SITE SP IDLE SP NUMBER CRLF + { + if ($5 < 30 || $5 > maxtimeout) { + reply(501, + "Maximum IDLE time must be between 30 and %d seconds", + maxtimeout); + } else { + ftpd_timeout = $5; + alarm((unsigned) ftpd_timeout); + reply(200, + "Maximum IDLE time set to %d seconds", + ftpd_timeout); + } + } + + | SITE SP KAUTH SP STRING CRLF check_login + { +#ifdef KRB4 + char *p; + + if(guest) + reply(500, "Can't be done as guest."); + else{ + if($7 && $5 != NULL){ + p = strpbrk($5, " \t"); + if(p){ + *p++ = 0; + kauth($5, p + strspn(p, " \t")); + }else + kauth($5, NULL); + } + } + if($5 != NULL) + free($5); +#else + reply(500, "Command not implemented."); +#endif + } + | SITE SP KLIST CRLF check_login + { +#ifdef KRB4 + if($5) + klist(); +#else + reply(500, "Command not implemented."); +#endif + } + | SITE SP KDESTROY CRLF check_login + { +#ifdef KRB4 + if($5) + kdestroy(); +#else + reply(500, "Command not implemented."); +#endif + } + | SITE SP KRBTKFILE SP STRING CRLF check_login + { +#ifdef KRB4 + if(guest) + reply(500, "Can't be done as guest."); + else if($7 && $5) + krbtkfile($5); + if($5) + free($5); +#else + reply(500, "Command not implemented."); +#endif + } + | SITE SP AFSLOG CRLF check_login + { +#ifdef KRB4 + if(guest) + reply(500, "Can't be done as guest."); + else if($5) + afslog(NULL); +#else + reply(500, "Command not implemented."); +#endif + } + | SITE SP AFSLOG SP STRING CRLF check_login + { +#ifdef KRB4 + if(guest) + reply(500, "Can't be done as guest."); + else if($7) + afslog($5); + if($5) + free($5); +#else + reply(500, "Command not implemented."); +#endif + } + | SITE SP LOCATE SP STRING CRLF check_login + { + if($7 && $5 != NULL) + find($5); + if($5 != NULL) + free($5); + } + | SITE SP URL CRLF + { + reply(200, "http://www.pdc.kth.se/kth-krb/"); + } + | STOU SP pathname CRLF check_login + { + if ($5 && $3 != NULL) + do_store($3, "w", 1); + if ($3 != NULL) + free($3); + } + | SYST CRLF + { +#if defined(unix) || defined(__unix__) || defined(__unix) || defined(_AIX) || defined(_CRAY) + reply(215, "UNIX Type: L%d", NBBY); +#else + reply(215, "UNKNOWN Type: L%d", NBBY); +#endif + } + + /* + * SIZE is not in RFC959, but Postel has blessed it and + * it will be in the updated RFC. + * + * Return size of file in a format suitable for + * using with RESTART (we just count bytes). + */ + | SIZE SP pathname CRLF check_login + { + if ($5 && $3 != NULL) + sizecmd($3); + if ($3 != NULL) + free($3); + } + + /* + * MDTM is not in RFC959, but Postel has blessed it and + * it will be in the updated RFC. + * + * Return modification time of file as an ISO 3307 + * style time. E.g. YYYYMMDDHHMMSS or YYYYMMDDHHMMSS.xxx + * where xxx is the fractional second (of any precision, + * not necessarily 3 digits) + */ + | MDTM SP pathname CRLF check_login + { + if ($5 && $3 != NULL) { + struct stat stbuf; + if (stat($3, &stbuf) < 0) + reply(550, "%s: %s", + $3, strerror(errno)); + else if (!S_ISREG(stbuf.st_mode)) { + reply(550, + "%s: not a plain file.", $3); + } else { + struct tm *t; + t = gmtime(&stbuf.st_mtime); + reply(213, + "%04d%02d%02d%02d%02d%02d", + t->tm_year + 1900, + t->tm_mon + 1, + t->tm_mday, + t->tm_hour, + t->tm_min, + t->tm_sec); + } + } + if ($3 != NULL) + free($3); + } + | QUIT CRLF + { + reply(221, "Goodbye."); + dologout(0); + } + | error CRLF + { + yyerrok; + } + ; +rcmd + : RNFR SP pathname CRLF check_login_no_guest + { + restart_point = (off_t) 0; + if ($5 && $3) { + fromname = renamefrom($3); + if (fromname == (char *) 0 && $3) { + free($3); + } + } + } + | REST SP byte_size CRLF + { + fromname = (char *) 0; + restart_point = $3; /* XXX $3 is only "int" */ + reply(350, "Restarting at %ld. %s", + (long)restart_point, + "Send STORE or RETRIEVE to initiate transfer."); + } + | AUTH SP STRING CRLF + { + auth($3); + free($3); + } + | ADAT SP STRING CRLF + { + adat($3); + free($3); + } + | PBSZ SP NUMBER CRLF + { + pbsz($3); + } + | PROT SP STRING CRLF + { + prot($3); + } + | CCC CRLF + { + ccc(); + } + | MIC SP STRING CRLF + { + mec($3, prot_safe); + free($3); + } + | CONF SP STRING CRLF + { + mec($3, prot_confidential); + free($3); + } + | ENC SP STRING CRLF + { + mec($3, prot_private); + free($3); + } + ; + +username + : STRING + ; + +password + : /* empty */ + { + $$ = (char *)calloc(1, sizeof(char)); + } + | STRING + ; + +byte_size + : NUMBER + ; + +host_port + : NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER COMMA + NUMBER COMMA NUMBER + { + struct sockaddr_in *sin = (struct sockaddr_in *)data_dest; + + sin->sin_family = AF_INET; + sin->sin_port = htons($9 * 256 + $11); + sin->sin_addr.s_addr = + htonl(($1 << 24) | ($3 << 16) | ($5 << 8) | $7); + } + ; + +form_code + : N + { + $$ = FORM_N; + } + | T + { + $$ = FORM_T; + } + | C + { + $$ = FORM_C; + } + ; + +type_code + : A + { + cmd_type = TYPE_A; + cmd_form = FORM_N; + } + | A SP form_code + { + cmd_type = TYPE_A; + cmd_form = $3; + } + | E + { + cmd_type = TYPE_E; + cmd_form = FORM_N; + } + | E SP form_code + { + cmd_type = TYPE_E; + cmd_form = $3; + } + | I + { + cmd_type = TYPE_I; + } + | L + { + cmd_type = TYPE_L; + cmd_bytesz = NBBY; + } + | L SP byte_size + { + cmd_type = TYPE_L; + cmd_bytesz = $3; + } + /* this is for a bug in the BBN ftp */ + | L byte_size + { + cmd_type = TYPE_L; + cmd_bytesz = $2; + } + ; + +struct_code + : F + { + $$ = STRU_F; + } + | R + { + $$ = STRU_R; + } + | P + { + $$ = STRU_P; + } + ; + +mode_code + : S + { + $$ = MODE_S; + } + | B + { + $$ = MODE_B; + } + | C + { + $$ = MODE_C; + } + ; + +pathname + : pathstring + { + /* + * Problem: this production is used for all pathname + * processing, but only gives a 550 error reply. + * This is a valid reply in some cases but not in others. + */ + if (logged_in && $1 && *$1 == '~') { + glob_t gl; + int flags = + GLOB_BRACE|GLOB_NOCHECK|GLOB_QUOTE|GLOB_TILDE; + + memset(&gl, 0, sizeof(gl)); + if (glob($1, flags, NULL, &gl) || + gl.gl_pathc == 0) { + reply(550, "not found"); + $$ = NULL; + } else { + $$ = strdup(gl.gl_pathv[0]); + } + globfree(&gl); + free($1); + } else + $$ = $1; + } + ; + +pathstring + : STRING + ; + +octal_number + : NUMBER + { + int ret, dec, multby, digit; + + /* + * Convert a number that was read as decimal number + * to what it would be if it had been read as octal. + */ + dec = $1; + multby = 1; + ret = 0; + while (dec) { + digit = dec%10; + if (digit > 7) { + ret = -1; + break; + } + ret += digit * multby; + multby *= 8; + dec /= 10; + } + $$ = ret; + } + ; + + +check_login_no_guest : check_login + { + $$ = $1 && !guest; + if($1 && !$$) + reply(550, "Permission denied"); + } + ; + +check_login : check_secure + { + if($1) { + if(($$ = logged_in) == 0) + reply(530, "Please login with USER and PASS."); + } else + $$ = 0; + } + ; + +check_secure : /* empty */ + { + $$ = 1; + if(sec_complete && !secure_command()) { + $$ = 0; + reply(533, "Command protection level denied " + "for paranoid reasons."); + } + } + ; + +%% + +extern jmp_buf errcatch; + +#define CMD 0 /* beginning of command */ +#define ARGS 1 /* expect miscellaneous arguments */ +#define STR1 2 /* expect SP followed by STRING */ +#define STR2 3 /* expect STRING */ +#define OSTR 4 /* optional SP then STRING */ +#define ZSTR1 5 /* SP then optional STRING */ +#define ZSTR2 6 /* optional STRING after SP */ +#define SITECMD 7 /* SITE command */ +#define NSTR 8 /* Number followed by a string */ + +struct tab cmdtab[] = { /* In order defined in RFC 765 */ + { "USER", USER, STR1, 1, "<sp> username" }, + { "PASS", PASS, ZSTR1, 1, "<sp> password" }, + { "ACCT", ACCT, STR1, 0, "(specify account)" }, + { "SMNT", SMNT, ARGS, 0, "(structure mount)" }, + { "REIN", REIN, ARGS, 0, "(reinitialize server state)" }, + { "QUIT", QUIT, ARGS, 1, "(terminate service)", }, + { "PORT", PORT, ARGS, 1, "<sp> b0, b1, b2, b3, b4" }, + { "EPRT", EPRT, STR1, 1, "<sp> string" }, + { "PASV", PASV, ARGS, 1, "(set server in passive mode)" }, + { "EPSV", EPSV, OSTR, 1, "[<sp> foo]" }, + { "TYPE", TYPE, ARGS, 1, "<sp> [ A | E | I | L ]" }, + { "STRU", STRU, ARGS, 1, "(specify file structure)" }, + { "MODE", MODE, ARGS, 1, "(specify transfer mode)" }, + { "RETR", RETR, STR1, 1, "<sp> file-name" }, + { "STOR", STOR, STR1, 1, "<sp> file-name" }, + { "APPE", APPE, STR1, 1, "<sp> file-name" }, + { "MLFL", MLFL, OSTR, 0, "(mail file)" }, + { "MAIL", MAIL, OSTR, 0, "(mail to user)" }, + { "MSND", MSND, OSTR, 0, "(mail send to terminal)" }, + { "MSOM", MSOM, OSTR, 0, "(mail send to terminal or mailbox)" }, + { "MSAM", MSAM, OSTR, 0, "(mail send to terminal and mailbox)" }, + { "MRSQ", MRSQ, OSTR, 0, "(mail recipient scheme question)" }, + { "MRCP", MRCP, STR1, 0, "(mail recipient)" }, + { "ALLO", ALLO, ARGS, 1, "allocate storage (vacuously)" }, + { "REST", REST, ARGS, 1, "<sp> offset (restart command)" }, + { "RNFR", RNFR, STR1, 1, "<sp> file-name" }, + { "RNTO", RNTO, STR1, 1, "<sp> file-name" }, + { "ABOR", ABOR, ARGS, 1, "(abort operation)" }, + { "DELE", DELE, STR1, 1, "<sp> file-name" }, + { "CWD", CWD, OSTR, 1, "[ <sp> directory-name ]" }, + { "XCWD", CWD, OSTR, 1, "[ <sp> directory-name ]" }, + { "LIST", LIST, OSTR, 1, "[ <sp> path-name ]" }, + { "NLST", NLST, OSTR, 1, "[ <sp> path-name ]" }, + { "SITE", SITE, SITECMD, 1, "site-cmd [ <sp> arguments ]" }, + { "SYST", SYST, ARGS, 1, "(get type of operating system)" }, + { "STAT", sTAT, OSTR, 1, "[ <sp> path-name ]" }, + { "HELP", HELP, OSTR, 1, "[ <sp> <string> ]" }, + { "NOOP", NOOP, ARGS, 1, "" }, + { "MKD", MKD, STR1, 1, "<sp> path-name" }, + { "XMKD", MKD, STR1, 1, "<sp> path-name" }, + { "RMD", RMD, STR1, 1, "<sp> path-name" }, + { "XRMD", RMD, STR1, 1, "<sp> path-name" }, + { "PWD", PWD, ARGS, 1, "(return current directory)" }, + { "XPWD", PWD, ARGS, 1, "(return current directory)" }, + { "CDUP", CDUP, ARGS, 1, "(change to parent directory)" }, + { "XCUP", CDUP, ARGS, 1, "(change to parent directory)" }, + { "STOU", STOU, STR1, 1, "<sp> file-name" }, + { "SIZE", SIZE, OSTR, 1, "<sp> path-name" }, + { "MDTM", MDTM, OSTR, 1, "<sp> path-name" }, + + /* extensions from RFC2228 */ + { "AUTH", AUTH, STR1, 1, "<sp> auth-type" }, + { "ADAT", ADAT, STR1, 1, "<sp> auth-data" }, + { "PBSZ", PBSZ, ARGS, 1, "<sp> buffer-size" }, + { "PROT", PROT, STR1, 1, "<sp> prot-level" }, + { "CCC", CCC, ARGS, 1, "" }, + { "MIC", MIC, STR1, 1, "<sp> integrity command" }, + { "CONF", CONF, STR1, 1, "<sp> confidentiality command" }, + { "ENC", ENC, STR1, 1, "<sp> privacy command" }, + + /* RFC2389 */ + { "FEAT", FEAT, ARGS, 1, "" }, + { "OPTS", OPTS, ARGS, 1, "<sp> command [<sp> options]" }, + + { NULL, 0, 0, 0, 0 } +}; + +struct tab sitetab[] = { + { "UMASK", UMASK, ARGS, 1, "[ <sp> umask ]" }, + { "IDLE", IDLE, ARGS, 1, "[ <sp> maximum-idle-time ]" }, + { "CHMOD", CHMOD, NSTR, 1, "<sp> mode <sp> file-name" }, + { "HELP", HELP, OSTR, 1, "[ <sp> <string> ]" }, + + { "KAUTH", KAUTH, STR1, 1, "<sp> principal [ <sp> ticket ]" }, + { "KLIST", KLIST, ARGS, 1, "(show ticket file)" }, + { "KDESTROY", KDESTROY, ARGS, 1, "(destroy tickets)" }, + { "KRBTKFILE", KRBTKFILE, STR1, 1, "<sp> ticket-file" }, + { "AFSLOG", AFSLOG, OSTR, 1, "[<sp> cell]" }, + + { "LOCATE", LOCATE, STR1, 1, "<sp> globexpr" }, + { "FIND", LOCATE, STR1, 1, "<sp> globexpr" }, + + { "URL", URL, ARGS, 1, "?" }, + + { NULL, 0, 0, 0, 0 } +}; + +static struct tab * +lookup(struct tab *p, char *cmd) +{ + + for (; p->name != NULL; p++) + if (strcmp(cmd, p->name) == 0) + return (p); + return (0); +} + +/* + * ftpd_getline - a hacked up version of fgets to ignore TELNET escape codes. + */ +char * +ftpd_getline(char *s, int n) +{ + int c; + char *cs; + + cs = s; +/* tmpline may contain saved command from urgent mode interruption */ + if(ftp_command){ + strlcpy(s, ftp_command, n); + if (debug) + syslog(LOG_DEBUG, "command: %s", s); +#ifdef XXX + fprintf(stderr, "%s\n", s); +#endif + return s; + } + while ((c = getc(stdin)) != EOF) { + c &= 0377; + if (c == IAC) { + if ((c = getc(stdin)) != EOF) { + c &= 0377; + switch (c) { + case WILL: + case WONT: + c = getc(stdin); + printf("%c%c%c", IAC, DONT, 0377&c); + fflush(stdout); + continue; + case DO: + case DONT: + c = getc(stdin); + printf("%c%c%c", IAC, WONT, 0377&c); + fflush(stdout); + continue; + case IAC: + break; + default: + continue; /* ignore command */ + } + } + } + *cs++ = c; + if (--n <= 0 || c == '\n') + break; + } + if (c == EOF && cs == s) + return (NULL); + *cs++ = '\0'; + if (debug) { + if (!guest && strncasecmp("pass ", s, 5) == 0) { + /* Don't syslog passwords */ + syslog(LOG_DEBUG, "command: %.5s ???", s); + } else { + char *cp; + int len; + + /* Don't syslog trailing CR-LF */ + len = strlen(s); + cp = s + len - 1; + while (cp >= s && (*cp == '\n' || *cp == '\r')) { + --cp; + --len; + } + syslog(LOG_DEBUG, "command: %.*s", len, s); + } + } +#ifdef XXX + fprintf(stderr, "%s\n", s); +#endif + return (s); +} + +static RETSIGTYPE +toolong(int signo) +{ + + reply(421, + "Timeout (%d seconds): closing control connection.", + ftpd_timeout); + if (logging) + syslog(LOG_INFO, "User %s timed out after %d seconds", + (pw ? pw -> pw_name : "unknown"), ftpd_timeout); + dologout(1); + SIGRETURN(0); +} + +static int +yylex(void) +{ + static int cpos, state; + char *cp, *cp2; + struct tab *p; + int n; + char c; + + for (;;) { + switch (state) { + + case CMD: + signal(SIGALRM, toolong); + alarm((unsigned) ftpd_timeout); + if (ftpd_getline(cbuf, sizeof(cbuf)-1) == NULL) { + reply(221, "You could at least say goodbye."); + dologout(0); + } + alarm(0); +#ifdef HAVE_SETPROCTITLE + if (strncasecmp(cbuf, "PASS", 4) != NULL) + setproctitle("%s: %s", proctitle, cbuf); +#endif /* HAVE_SETPROCTITLE */ + if ((cp = strchr(cbuf, '\r'))) { + *cp++ = '\n'; + *cp = '\0'; + } + if ((cp = strpbrk(cbuf, " \n"))) + cpos = cp - cbuf; + if (cpos == 0) + cpos = 4; + c = cbuf[cpos]; + cbuf[cpos] = '\0'; + strupr(cbuf); + p = lookup(cmdtab, cbuf); + cbuf[cpos] = c; + if (p != 0) { + if (p->implemented == 0) { + nack(p->name); + longjmp(errcatch,0); + /* NOTREACHED */ + } + state = p->state; + yylval.s = p->name; + return (p->token); + } + break; + + case SITECMD: + if (cbuf[cpos] == ' ') { + cpos++; + return (SP); + } + cp = &cbuf[cpos]; + if ((cp2 = strpbrk(cp, " \n"))) + cpos = cp2 - cbuf; + c = cbuf[cpos]; + cbuf[cpos] = '\0'; + strupr(cp); + p = lookup(sitetab, cp); + cbuf[cpos] = c; + if (p != 0) { + if (p->implemented == 0) { + state = CMD; + nack(p->name); + longjmp(errcatch,0); + /* NOTREACHED */ + } + state = p->state; + yylval.s = p->name; + return (p->token); + } + state = CMD; + break; + + case OSTR: + if (cbuf[cpos] == '\n') { + state = CMD; + return (CRLF); + } + /* FALLTHROUGH */ + + case STR1: + case ZSTR1: + dostr1: + if (cbuf[cpos] == ' ') { + cpos++; + if(state == OSTR) + state = STR2; + else + state++; + return (SP); + } + break; + + case ZSTR2: + if (cbuf[cpos] == '\n') { + state = CMD; + return (CRLF); + } + /* FALLTHROUGH */ + + case STR2: + cp = &cbuf[cpos]; + n = strlen(cp); + cpos += n - 1; + /* + * Make sure the string is nonempty and \n terminated. + */ + if (n > 1 && cbuf[cpos] == '\n') { + cbuf[cpos] = '\0'; + yylval.s = copy(cp); + cbuf[cpos] = '\n'; + state = ARGS; + return (STRING); + } + break; + + case NSTR: + if (cbuf[cpos] == ' ') { + cpos++; + return (SP); + } + if (isdigit(cbuf[cpos])) { + cp = &cbuf[cpos]; + while (isdigit(cbuf[++cpos])) + ; + c = cbuf[cpos]; + cbuf[cpos] = '\0'; + yylval.i = atoi(cp); + cbuf[cpos] = c; + state = STR1; + return (NUMBER); + } + state = STR1; + goto dostr1; + + case ARGS: + if (isdigit(cbuf[cpos])) { + cp = &cbuf[cpos]; + while (isdigit(cbuf[++cpos])) + ; + c = cbuf[cpos]; + cbuf[cpos] = '\0'; + yylval.i = atoi(cp); + cbuf[cpos] = c; + return (NUMBER); + } + switch (cbuf[cpos++]) { + + case '\n': + state = CMD; + return (CRLF); + + case ' ': + return (SP); + + case ',': + return (COMMA); + + case 'A': + case 'a': + return (A); + + case 'B': + case 'b': + return (B); + + case 'C': + case 'c': + return (C); + + case 'E': + case 'e': + return (E); + + case 'F': + case 'f': + return (F); + + case 'I': + case 'i': + return (I); + + case 'L': + case 'l': + return (L); + + case 'N': + case 'n': + return (N); + + case 'P': + case 'p': + return (P); + + case 'R': + case 'r': + return (R); + + case 'S': + case 's': + return (S); + + case 'T': + case 't': + return (T); + + } + break; + + default: + fatal("Unknown state in scanner."); + } + yyerror((char *) 0); + state = CMD; + longjmp(errcatch,0); + } +} + +static char * +copy(char *s) +{ + char *p; + + p = strdup(s); + if (p == NULL) + fatal("Ran out of memory."); + return p; +} + +static void +help(struct tab *ctab, char *s) +{ + struct tab *c; + int width, NCMDS; + char *type; + char buf[1024]; + + if (ctab == sitetab) + type = "SITE "; + else + type = ""; + width = 0, NCMDS = 0; + for (c = ctab; c->name != NULL; c++) { + int len = strlen(c->name); + + if (len > width) + width = len; + NCMDS++; + } + width = (width + 8) &~ 7; + if (s == 0) { + int i, j, w; + int columns, lines; + + lreply(214, "The following %scommands are recognized %s.", + type, "(* =>'s unimplemented)"); + columns = 76 / width; + if (columns == 0) + columns = 1; + lines = (NCMDS + columns - 1) / columns; + for (i = 0; i < lines; i++) { + strlcpy (buf, " ", sizeof(buf)); + for (j = 0; j < columns; j++) { + c = ctab + j * lines + i; + snprintf (buf + strlen(buf), + sizeof(buf) - strlen(buf), + "%s%c", + c->name, + c->implemented ? ' ' : '*'); + if (c + lines >= &ctab[NCMDS]) + break; + w = strlen(c->name) + 1; + while (w < width) { + strlcat (buf, + " ", + sizeof(buf)); + w++; + } + } + lreply(214, "%s", buf); + } + reply(214, "Direct comments to kth-krb-bugs@pdc.kth.se"); + return; + } + strupr(s); + c = lookup(ctab, s); + if (c == (struct tab *)0) { + reply(502, "Unknown command %s.", s); + return; + } + if (c->implemented) + reply(214, "Syntax: %s%s %s", type, c->name, c->help); + else + reply(214, "%s%-*s\t%s; unimplemented.", type, width, + c->name, c->help); +} + +static void +sizecmd(char *filename) +{ + switch (type) { + case TYPE_L: + case TYPE_I: { + struct stat stbuf; + if (stat(filename, &stbuf) < 0 || !S_ISREG(stbuf.st_mode)) + reply(550, "%s: not a plain file.", filename); + else + reply(213, "%lu", (unsigned long)stbuf.st_size); + break; + } + case TYPE_A: { + FILE *fin; + int c; + size_t count; + struct stat stbuf; + fin = fopen(filename, "r"); + if (fin == NULL) { + perror_reply(550, filename); + return; + } + if (fstat(fileno(fin), &stbuf) < 0 || !S_ISREG(stbuf.st_mode)) { + reply(550, "%s: not a plain file.", filename); + fclose(fin); + return; + } + + count = 0; + while((c=getc(fin)) != EOF) { + if (c == '\n') /* will get expanded to \r\n */ + count++; + count++; + } + fclose(fin); + + reply(213, "%lu", (unsigned long)count); + break; + } + default: + reply(504, "SIZE not implemented for Type %c.", "?AEIL"[type]); + } +} diff --git a/crypto/heimdal/appl/ftp/ftpd/ftpd.8 b/crypto/heimdal/appl/ftp/ftpd/ftpd.8 new file mode 100644 index 0000000..c51de1c --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftpd/ftpd.8 @@ -0,0 +1,473 @@ +.\" $NetBSD: ftpd.8,v 1.7 1995/04/11 02:44:53 cgd Exp $ +.\" +.\" Copyright (c) 1985, 1988, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)ftpd.8 8.2 (Berkeley) 4/19/94 +.\" +.Dd April 19, 1997 +.Dt FTPD 8 +.Os BSD 4.2 +.Sh NAME +.Nm ftpd +.Nd +Internet File Transfer Protocol server +.Sh SYNOPSIS +.Nm ftpd +.Op Fl a Ar authmode +.Op Fl dilv +.Op Fl g Ar umask +.Op Fl p Ar port +.Op Fl T Ar maxtimeout +.Op Fl t Ar timeout +.Op Fl u Ar default umask +.Sh DESCRIPTION +.Nm Ftpd +is the +Internet File Transfer Protocol +server process. The server uses the +.Tn TCP +protocol +and listens at the port specified in the +.Dq ftp +service specification; see +.Xr services 5 . +.Pp +Available options: +.Bl -tag -width Ds +.It Fl a +Select the level of authentication required. Kerberised login can not +be turned off. The default is to only allow kerberised login. Other +possibilities can be turned on by giving a string of comma separated +flags as argument to +.Fl a . +Recognised flags are: +.Bl -tag -width plain +.It Ar plain +Allow logging in with plaintext password. The password can be a(n) OTP +or an ordinary password. +.It Ar otp +Same as +.Ar plain , +but only OTP is allowed. +.It Ar ftp +Allow anonymous login. +.El + +The following combination modes exists for backwards compatibility: +.Bl -tag -width plain +.It Ar none +Same as +.Ar plain,ftp . +.It Ar safe +Same as +.Ar ftp . +.It Ar user +Ignored. +.El +.It Fl d +Debugging information is written to the syslog using LOG_FTP. +.It Fl g +Anonymous users will get a umask of +.Ar umask . +.It Fl i +Open a socket and wait for a connection. This is mainly used for +debugging when ftpd isn't started by inetd. +.It Fl l +Each successful and failed +.Xr ftp 1 +session is logged using syslog with a facility of LOG_FTP. +If this option is specified twice, the retrieve (get), store (put), append, +delete, make directory, remove directory and rename operations and +their filename arguments are also logged. +.It Fl p +Use +.Ar port +(a service name or number) instead of the default +.Ar ftp/tcp . +.It Fl T +A client may also request a different timeout period; +the maximum period allowed may be set to +.Ar timeout +seconds with the +.Fl T +option. +The default limit is 2 hours. +.It Fl t +The inactivity timeout period is set to +.Ar timeout +seconds (the default is 15 minutes). +.It Fl u +Set the initial umask to something else than the default 027. +.It Fl v +Verbose mode. +.El +.Pp +The file +.Pa /etc/nologin +can be used to disable ftp access. +If the file exists, +.Nm +displays it and exits. +If the file +.Pa /etc/ftpwelcome +exists, +.Nm +prints it before issuing the +.Dq ready +message. +If the file +.Pa /etc/motd +exists, +.Nm +prints it after a successful login. +.Pp +The ftp server currently supports the following ftp requests. +The case of the requests is ignored. +.Bl -column "Request" -offset indent +.It Request Ta "Description" +.It ABOR Ta "abort previous command" +.It ACCT Ta "specify account (ignored)" +.It ALLO Ta "allocate storage (vacuously)" +.It APPE Ta "append to a file" +.It CDUP Ta "change to parent of current working directory" +.It CWD Ta "change working directory" +.It DELE Ta "delete a file" +.It HELP Ta "give help information" +.It LIST Ta "give list files in a directory" Pq Dq Li "ls -lgA" +.It MKD Ta "make a directory" +.It MDTM Ta "show last modification time of file" +.It MODE Ta "specify data transfer" Em mode +.It NLST Ta "give name list of files in directory" +.It NOOP Ta "do nothing" +.It PASS Ta "specify password" +.It PASV Ta "prepare for server-to-server transfer" +.It PORT Ta "specify data connection port" +.It PWD Ta "print the current working directory" +.It QUIT Ta "terminate session" +.It REST Ta "restart incomplete transfer" +.It RETR Ta "retrieve a file" +.It RMD Ta "remove a directory" +.It RNFR Ta "specify rename-from file name" +.It RNTO Ta "specify rename-to file name" +.It SITE Ta "non-standard commands (see next section)" +.It SIZE Ta "return size of file" +.It STAT Ta "return status of server" +.It STOR Ta "store a file" +.It STOU Ta "store a file with a unique name" +.It STRU Ta "specify data transfer" Em structure +.It SYST Ta "show operating system type of server system" +.It TYPE Ta "specify data transfer" Em type +.It USER Ta "specify user name" +.It XCUP Ta "change to parent of current working directory (deprecated)" +.It XCWD Ta "change working directory (deprecated)" +.It XMKD Ta "make a directory (deprecated)" +.It XPWD Ta "print the current working directory (deprecated)" +.It XRMD Ta "remove a directory (deprecated)" +.El +.Pp +The following commands are specified by RFC2228. +.Bl -column Request -offset indent +.It AUTH Ta "authentication/security mechanism" +.It ADAT Ta "authentication/security data" +.It PROT Ta "data channel protection level" +.It PBSZ Ta "protection buffer size" +.It MIC Ta "integrity protected command" +.It CONF Ta "confidentiality protected command" +.It ENC Ta "privacy protected command" +.It CCC Ta "clear command channel" +.El +.Pp +The following non-standard or +.Tn UNIX +specific commands are supported +by the +SITE request. +.Pp +.Bl -column Request -offset indent +.It UMASK Ta change umask, (e.g. +.Ic "SITE UMASK 002" ) +.It IDLE Ta set idle-timer, (e.g. +.Ic "SITE IDLE 60" ) +.It CHMOD Ta change mode of a file (e.g. +.Ic "SITE CHMOD 755 filename" ) +.It FIND Ta quickly find a specific file with GNU +.Xr locate 1 . +.It HELP Ta give help information. +.El +.Pp +The following Kerberos related site commands are understood. +.Bl -column Request -offset indent +.It KAUTH Ta obtain remote tickets. +.It KLIST Ta show remote tickets +.El +.Pp +The remaining ftp requests specified in Internet RFC 959 +are +recognized, but not implemented. +MDTM and SIZE are not specified in RFC 959, but will appear in the +next updated FTP RFC. +.Pp +The ftp server will abort an active file transfer only when the +ABOR +command is preceded by a Telnet "Interrupt Process" (IP) +signal and a Telnet "Synch" signal in the command Telnet stream, +as described in Internet RFC 959. +If a +STAT +command is received during a data transfer, preceded by a Telnet IP +and Synch, transfer status will be returned. +.Pp +.Nm Ftpd +interprets file names according to the +.Dq globbing +conventions used by +.Xr csh 1 . +This allows users to utilize the metacharacters +.Dq Li \&*?[]{}~ . +.Pp +.Nm Ftpd +authenticates users according to these rules. +.Pp +.Bl -enum -offset indent +.It +If Kerberos authentication is used, the user must pass valid tickets +and the principal must be allowed to login as the remote user. +.It +The login name must be in the password data base, and not have a null +password (if kerberos is used the password field is not checked). In +this case a password must be provided by the client before any file +operations may be performed. If the user has an OTP key, the response +from a successful USER command will include an OTP challenge. The +client may choose to respond with a PASS command giving either a +standard password or an OTP one-time password. The server will +automatically determine which type of password it has been given and +attempt to authenticate accordingly. See +.Xr otp 1 +for more information on OTP authentication. +.It +The login name must not appear in the file +.Pa /etc/ftpusers . +.It +The user must have a standard shell returned by +.Xr getusershell 3 . +.It +If the user name appears in the file +.Pa /etc/ftpchroot +the session's root will be changed to the user's login directory by +.Xr chroot 2 +as for an +.Dq anonymous +or +.Dq ftp +account (see next item). However, the user must still supply a password. +This feature is intended as a compromise between a fully anonymous account +and a fully privileged account. The account should also be set up as for an +anonymous account. +.It +If the user name is +.Dq anonymous +or +.Dq ftp , +an +anonymous ftp account must be present in the password +file (user +.Dq ftp ) . +In this case the user is allowed +to log in by specifying any password (by convention an email address for +the user should be used as the password). +.El +.Pp +In the last case, +.Nm ftpd +takes special measures to restrict the client's access privileges. +The server performs a +.Xr chroot 2 +to the home directory of the +.Dq ftp +user. +In order that system security is not breached, it is recommended +that the +.Dq ftp +subtree be constructed with care, consider following these guidelines +for anonymous ftp. + +In general all files should be owned by +.Dq root , +and have non-write permissions (644 or 755 depending on the kind of +file). No files should be owned or writable by +.Dq ftp +(possibly with exception for the +.Pa ~ftp/incoming , +as specified below). +.Bl -tag -width "~ftp/pub" -offset indent +.It Pa ~ftp +The +.Dq ftp +homedirectory should be owned by root. +.It Pa ~ftp/bin +The directory for external programs (such as +.Xr ls 1 ) . +These programs must either be statically linked, or you must setup an +environment for dynamic linking when running chrooted. +These programs will be used if present: +.Bl -tag -width "locate" -offset indent +.It ls +Used when listing files. +.It compress +When retrieving a filename that ends in +.Pa .Z , +and that file isn't present, +.Nm +will try to find the filename without +.Pa .Z +and compress it on the fly. +.It gzip +Same as compress, just with files ending in +.Pa .gz . +.It gtar +Enables retrieval of whole directories as files ending in +.Pa .tar . +Can also be combined with compression. You must use GNU Tar (or some +other that supports the +.Fl z +and +.Fl Z +flags). +.It locate +Will enable ``fast find'' with the +.Ic SITE FIND +command. You must also create a +.Pa locatedb +file in +.Pa ~ftp/etc . +.El +.It Pa ~ftp/etc +If you put copies of the +.Xr passwd 5 +and +.Xr group 5 +files here, ls will be able to produce owner names rather than +numbers. Remember to remove any passwords from these files. + +The file +.Pa motd , +if present, will be printed after a successful login. +.It Pa ~ftp/dev +Put a copy of +.Xr /dev/null 7 +here. +.It Pa ~ftp/pub +Traditional place to put whatever you want to make public. +.El + +If you want guests to be able to upload files, create a +.Pa ~ftp/incoming +directory owned by +.Dq root , +and group +.Dq ftp +with mode 730 (make sure +.Dq ftp +is member of group +.Dq ftp ) . +The following restrictions apply to anonymous users: +.Bl -bullet +.It +Directories created will have mode 700. +.It +Uploaded files will be created with an umask of 777, if not changed +with the +.Fl g +option. +.It +These command are not accessible: +.Ic DELE , RMD , RNTO , RNFR , +.Ic SITE UMASK , +and +.Ic SITE CHMOD . +.It +Filenames must start with an alpha-numeric character, and consist of +alpha-numeric characters or any of the following: +.Li \&+ +(plus), +.Li \&- +(minus), +.Li \&= +(equal), +.Li \&_ +(underscore), +.Li \&. +(period), and +.Li \&, +(comma). +.El +.Sh FILES +.Bl -tag -width /etc/ftpwelcome -compact +.It Pa /etc/ftpusers +Access list for users. +.It Pa /etc/ftpchroot +List of normal users who should be chroot'd. +.It Pa /etc/ftpwelcome +Welcome notice. +.It Pa /etc/motd +Welcome notice after login. +.It Pa /etc/nologin +Displayed and access refused. +.It Pa ~/.klogin +Login access for Kerberos. +.El +.Sh SEE ALSO +.Xr ftp 1 , +.Xr otp 1 , +.Xr getusershell 3 , +.Xr ftpusers 5 , +.Xr syslogd 8 , +.Sh STANDARDS +.Bl -tag -compact -width "RFC 1938" +.It Cm RFC 959 +FTP PROTOCOL SPECIFICATION +.It Cm RFC 1938 +OTP Specification +.It Cm RFC 2228 +FTP Security Extensions. +.Sh BUGS +The server must run as the super-user +to create sockets with privileged port numbers. It maintains +an effective user id of the logged in user, reverting to +the super-user only when binding addresses to sockets. The +possible security holes have been extensively +scrutinized, but are possibly incomplete. +.Sh HISTORY +The +.Nm +command appeared in +.Bx 4.2 . diff --git a/crypto/heimdal/appl/ftp/ftpd/ftpd.c b/crypto/heimdal/appl/ftp/ftpd/ftpd.c new file mode 100644 index 0000000..8c5ddf3 --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftpd/ftpd.c @@ -0,0 +1,2249 @@ +/* + * Copyright (c) 1985, 1988, 1990, 1992, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#define FTP_NAMES +#include "ftpd_locl.h" +#ifdef KRB5 +#include <krb5.h> +#endif +#include "getarg.h" + +RCSID("$Id: ftpd.c,v 1.137 2000/01/05 13:46:04 joda Exp $"); + +static char version[] = "Version 6.00"; + +extern off_t restart_point; +extern char cbuf[]; + +struct sockaddr_storage ctrl_addr_ss; +struct sockaddr *ctrl_addr = (struct sockaddr *)&ctrl_addr_ss; + +struct sockaddr_storage data_source_ss; +struct sockaddr *data_source = (struct sockaddr *)&data_source_ss; + +struct sockaddr_storage data_dest_ss; +struct sockaddr *data_dest = (struct sockaddr *)&data_dest_ss; + +struct sockaddr_storage his_addr_ss; +struct sockaddr *his_addr = (struct sockaddr *)&his_addr_ss; + +struct sockaddr_storage pasv_addr_ss; +struct sockaddr *pasv_addr = (struct sockaddr *)&pasv_addr_ss; + +int data; +jmp_buf errcatch, urgcatch; +int oobflag; +int logged_in; +struct passwd *pw; +int debug = 0; +int ftpd_timeout = 900; /* timeout after 15 minutes of inactivity */ +int maxtimeout = 7200;/* don't allow idle time to be set beyond 2 hours */ +int logging; +int guest; +int dochroot; +int type; +int form; +int stru; /* avoid C keyword */ +int mode; +int usedefault = 1; /* for data transfers */ +int pdata = -1; /* for passive mode */ +int transflag; +off_t file_size; +off_t byte_count; +#if !defined(CMASK) || CMASK == 0 +#undef CMASK +#define CMASK 027 +#endif +int defumask = CMASK; /* default umask value */ +int guest_umask = 0777; /* Paranoia for anonymous users */ +char tmpline[10240]; +char hostname[MaxHostNameLen]; +char remotehost[MaxHostNameLen]; +static char ttyline[20]; + +#define AUTH_PLAIN (1 << 0) /* allow sending passwords */ +#define AUTH_OTP (1 << 1) /* passwords are one-time */ +#define AUTH_FTP (1 << 2) /* allow anonymous login */ + +static int auth_level = 0; /* Only allow kerberos login by default */ + +/* + * Timeout intervals for retrying connections + * to hosts that don't accept PORT cmds. This + * is a kludge, but given the problems with TCP... + */ +#define SWAITMAX 90 /* wait at most 90 seconds */ +#define SWAITINT 5 /* interval between retries */ + +int swaitmax = SWAITMAX; +int swaitint = SWAITINT; + +#ifdef HAVE_SETPROCTITLE +char proctitle[BUFSIZ]; /* initial part of title */ +#endif /* HAVE_SETPROCTITLE */ + +#define LOGCMD(cmd, file) \ + if (logging > 1) \ + syslog(LOG_INFO,"%s %s%s", cmd, \ + *(file) == '/' ? "" : curdir(), file); +#define LOGCMD2(cmd, file1, file2) \ + if (logging > 1) \ + syslog(LOG_INFO,"%s %s%s %s%s", cmd, \ + *(file1) == '/' ? "" : curdir(), file1, \ + *(file2) == '/' ? "" : curdir(), file2); +#define LOGBYTES(cmd, file, cnt) \ + if (logging > 1) { \ + if (cnt == (off_t)-1) \ + syslog(LOG_INFO,"%s %s%s", cmd, \ + *(file) == '/' ? "" : curdir(), file); \ + else \ + syslog(LOG_INFO, "%s %s%s = %ld bytes", \ + cmd, (*(file) == '/') ? "" : curdir(), file, (long)cnt); \ + } + +static void ack (char *); +static void myoob (int); +static int checkuser (char *, char *); +static int checkaccess (char *); +static FILE *dataconn (const char *, off_t, const char *); +static void dolog (struct sockaddr *sa, int len); +static void end_login (void); +static FILE *getdatasock (const char *); +static char *gunique (char *); +static RETSIGTYPE lostconn (int); +static int receive_data (FILE *, FILE *); +static void send_data (FILE *, FILE *); +static struct passwd * sgetpwnam (char *); + +static char * +curdir(void) +{ + static char path[MaxPathLen+1]; /* path + '/' + '\0' */ + + if (getcwd(path, sizeof(path)-1) == NULL) + return (""); + if (path[1] != '\0') /* special case for root dir. */ + strlcat(path, "/", sizeof(path)); + /* For guest account, skip / since it's chrooted */ + return (guest ? path+1 : path); +} + +#ifndef LINE_MAX +#define LINE_MAX 1024 +#endif + +static int +parse_auth_level(char *str) +{ + char *p; + int ret = 0; + char *foo = NULL; + + for(p = strtok_r(str, ",", &foo); + p; + p = strtok_r(NULL, ",", &foo)) { + if(strcmp(p, "user") == 0) + ; +#ifdef OTP + else if(strcmp(p, "otp") == 0) + ret |= AUTH_PLAIN|AUTH_OTP; +#endif + else if(strcmp(p, "ftp") == 0 || + strcmp(p, "safe") == 0) + ret |= AUTH_FTP; + else if(strcmp(p, "plain") == 0) + ret |= AUTH_PLAIN; + else if(strcmp(p, "none") == 0) + ret |= AUTH_PLAIN|AUTH_FTP; + else + warnx("bad value for -a: `%s'", p); + } + return ret; +} + +/* + * Print usage and die. + */ + +static int debug_flag; +static int interactive_flag; +static char *guest_umask_string; +static char *port_string; +static char *umask_string; +static char *auth_string; + +int use_builtin_ls = -1; + +static int help_flag; +static int version_flag; + +struct getargs args[] = { + { NULL, 'a', arg_string, &auth_string, "required authentication" }, + { NULL, 'i', arg_flag, &interactive_flag, "don't assume stdin is a socket" }, + { NULL, 'p', arg_string, &port_string, "what port to listen to" }, + { NULL, 'g', arg_string, &guest_umask_string, "umask for guest logins" }, + { NULL, 'l', arg_counter, &logging, "log more stuff", "" }, + { NULL, 't', arg_integer, &ftpd_timeout, "initial timeout" }, + { NULL, 'T', arg_integer, &maxtimeout, "max timeout" }, + { NULL, 'u', arg_string, &umask_string, "umask for user logins" }, + { NULL, 'd', arg_flag, &debug_flag, "enable debugging" }, + { NULL, 'v', arg_flag, &debug_flag, "enable debugging" }, + { "builtin-ls", 'B', arg_flag, &use_builtin_ls, "use built-in ls to list files" }, + { "version", 0, arg_flag, &version_flag }, + { "help", 'h', arg_flag, &help_flag } +}; + +static int num_args = sizeof(args) / sizeof(args[0]); + +static void +usage (int code) +{ + arg_printusage(args, num_args, NULL, ""); + exit (code); +} + +/* output contents of a file */ +static int +show_file(const char *file, int code) +{ + FILE *f; + char buf[128]; + + f = fopen(file, "r"); + if(f == NULL) + return -1; + while(fgets(buf, sizeof(buf), f)){ + buf[strcspn(buf, "\r\n")] = '\0'; + lreply(code, "%s", buf); + } + fclose(f); + return 0; +} + +int +main(int argc, char **argv) +{ + int his_addr_len, ctrl_addr_len, on = 1, tos; + char *cp, line[LINE_MAX]; + FILE *fd; + int port; + struct servent *sp; + + int optind = 0; + + set_progname (argv[0]); + +#ifdef KRB4 + /* detach from any tickets and tokens */ + { + char tkfile[1024]; + snprintf(tkfile, sizeof(tkfile), + "/tmp/ftp_%u", (unsigned)getpid()); + krb_set_tkt_string(tkfile); + if(k_hasafs()) + k_setpag(); + } +#endif + if(getarg(args, num_args, argc, argv, &optind)) + usage(1); + + if(help_flag) + usage(0); + + if(version_flag) { + print_version(NULL); + exit(0); + } + + if(auth_string) + auth_level = parse_auth_level(auth_string); + { + char *p; + long val = 0; + + if(guest_umask_string) { + val = strtol(guest_umask_string, &p, 8); + if (*p != '\0' || val < 0) + warnx("bad value for -g"); + else + guest_umask = val; + } + if(umask_string) { + val = strtol(umask_string, &p, 8); + if (*p != '\0' || val < 0) + warnx("bad value for -u"); + else + defumask = val; + } + } + if(port_string) { + sp = getservbyname(port_string, "tcp"); + if(sp) + port = sp->s_port; + else + if(isdigit(port_string[0])) + port = htons(atoi(port_string)); + else + warnx("bad value for -p"); + } else { + sp = getservbyname("ftp", "tcp"); + if(sp) + port = sp->s_port; + else + port = htons(21); + } + + if (maxtimeout < ftpd_timeout) + maxtimeout = ftpd_timeout; + +#if 0 + if (ftpd_timeout > maxtimeout) + ftpd_timeout = maxtimeout; +#endif + + if(interactive_flag) + mini_inetd (port); + + /* + * LOG_NDELAY sets up the logging connection immediately, + * necessary for anonymous ftp's that chroot and can't do it later. + */ + openlog("ftpd", LOG_PID | LOG_NDELAY, LOG_FTP); + his_addr_len = sizeof(his_addr_ss); + if (getpeername(STDIN_FILENO, his_addr, &his_addr_len) < 0) { + syslog(LOG_ERR, "getpeername (%s): %m",argv[0]); + exit(1); + } + ctrl_addr_len = sizeof(ctrl_addr_ss); + if (getsockname(STDIN_FILENO, ctrl_addr, &ctrl_addr_len) < 0) { + syslog(LOG_ERR, "getsockname (%s): %m",argv[0]); + exit(1); + } +#if defined(IP_TOS) && defined(HAVE_SETSOCKOPT) + tos = IPTOS_LOWDELAY; + if (setsockopt(STDIN_FILENO, IPPROTO_IP, IP_TOS, + (void *)&tos, sizeof(int)) < 0) + syslog(LOG_WARNING, "setsockopt (IP_TOS): %m"); +#endif + data_source->sa_family = ctrl_addr->sa_family; + socket_set_port (data_source, + htons(ntohs(socket_get_port(ctrl_addr)) - 1)); + + /* set this here so it can be put in wtmp */ + snprintf(ttyline, sizeof(ttyline), "ftp%u", (unsigned)getpid()); + + + /* freopen(_PATH_DEVNULL, "w", stderr); */ + signal(SIGPIPE, lostconn); + signal(SIGCHLD, SIG_IGN); +#ifdef SIGURG + if (signal(SIGURG, myoob) == SIG_ERR) + syslog(LOG_ERR, "signal: %m"); +#endif + + /* Try to handle urgent data inline */ +#if defined(SO_OOBINLINE) && defined(HAVE_SETSOCKOPT) + if (setsockopt(0, SOL_SOCKET, SO_OOBINLINE, (void *)&on, + sizeof(on)) < 0) + syslog(LOG_ERR, "setsockopt: %m"); +#endif + +#ifdef F_SETOWN + if (fcntl(fileno(stdin), F_SETOWN, getpid()) == -1) + syslog(LOG_ERR, "fcntl F_SETOWN: %m"); +#endif + dolog(his_addr, his_addr_len); + /* + * Set up default state + */ + data = -1; + type = TYPE_A; + form = FORM_N; + stru = STRU_F; + mode = MODE_S; + tmpline[0] = '\0'; + + /* If logins are disabled, print out the message. */ + if(show_file(_PATH_NOLOGIN, 530) == 0) { + reply(530, "System not available."); + exit(0); + } + show_file(_PATH_FTPWELCOME, 220); + /* reply(220,) must follow */ + gethostname(hostname, sizeof(hostname)); + + reply(220, "%s FTP server (%s" +#ifdef KRB5 + "+%s" +#endif +#ifdef KRB4 + "+%s" +#endif + ") ready.", hostname, version +#ifdef KRB5 + ,heimdal_version +#endif +#ifdef KRB4 + ,krb4_version +#endif + ); + + setjmp(errcatch); + for (;;) + yyparse(); + /* NOTREACHED */ +} + +static RETSIGTYPE +lostconn(int signo) +{ + + if (debug) + syslog(LOG_DEBUG, "lost connection"); + dologout(-1); +} + +/* + * Helper function for sgetpwnam(). + */ +static char * +sgetsave(char *s) +{ + char *new = strdup(s); + + if (new == NULL) { + perror_reply(421, "Local resource failure: malloc"); + dologout(1); + /* NOTREACHED */ + } + return new; +} + +/* + * Save the result of a getpwnam. Used for USER command, since + * the data returned must not be clobbered by any other command + * (e.g., globbing). + */ +static struct passwd * +sgetpwnam(char *name) +{ + static struct passwd save; + struct passwd *p; + + if ((p = k_getpwnam(name)) == NULL) + return (p); + if (save.pw_name) { + free(save.pw_name); + free(save.pw_passwd); + free(save.pw_gecos); + free(save.pw_dir); + free(save.pw_shell); + } + save = *p; + save.pw_name = sgetsave(p->pw_name); + save.pw_passwd = sgetsave(p->pw_passwd); + save.pw_gecos = sgetsave(p->pw_gecos); + save.pw_dir = sgetsave(p->pw_dir); + save.pw_shell = sgetsave(p->pw_shell); + return (&save); +} + +static int login_attempts; /* number of failed login attempts */ +static int askpasswd; /* had user command, ask for passwd */ +static char curname[10]; /* current USER name */ +#ifdef OTP +OtpContext otp_ctx; +#endif + +/* + * USER command. + * Sets global passwd pointer pw if named account exists and is acceptable; + * sets askpasswd if a PASS command is expected. If logged in previously, + * need to reset state. If name is "ftp" or "anonymous", the name is not in + * _PATH_FTPUSERS, and ftp account exists, set guest and pw, then just return. + * If account doesn't exist, ask for passwd anyway. Otherwise, check user + * requesting login privileges. Disallow anyone who does not have a standard + * shell as returned by getusershell(). Disallow anyone mentioned in the file + * _PATH_FTPUSERS to allow people such as root and uucp to be avoided. + */ +void +user(char *name) +{ + char *cp, *shell; + + if(auth_level == 0 && !sec_complete){ + reply(530, "No login allowed without authorization."); + return; + } + + if (logged_in) { + if (guest) { + reply(530, "Can't change user from guest login."); + return; + } else if (dochroot) { + reply(530, "Can't change user from chroot user."); + return; + } + end_login(); + } + + guest = 0; + if (strcmp(name, "ftp") == 0 || strcmp(name, "anonymous") == 0) { + if ((auth_level & AUTH_FTP) == 0 || + checkaccess("ftp") || + checkaccess("anonymous")) + reply(530, "User %s access denied.", name); + else if ((pw = sgetpwnam("ftp")) != NULL) { + guest = 1; + defumask = guest_umask; /* paranoia for incoming */ + askpasswd = 1; + reply(331, "Guest login ok, type your name as password."); + } else + reply(530, "User %s unknown.", name); + if (!askpasswd && logging) { + char data_addr[256]; + + if (inet_ntop (his_addr->sa_family, + socket_get_address(his_addr), + data_addr, sizeof(data_addr)) == NULL) + strlcpy (data_addr, "unknown address", + sizeof(data_addr)); + + syslog(LOG_NOTICE, + "ANONYMOUS FTP LOGIN REFUSED FROM %s(%s)", + remotehost, data_addr); + } + return; + } + if((auth_level & AUTH_PLAIN) == 0 && !sec_complete){ + reply(530, "Only authorized and anonymous login allowed."); + return; + } + if ((pw = sgetpwnam(name))) { + if ((shell = pw->pw_shell) == NULL || *shell == 0) + shell = _PATH_BSHELL; + while ((cp = getusershell()) != NULL) + if (strcmp(cp, shell) == 0) + break; + endusershell(); + + if (cp == NULL || checkaccess(name)) { + reply(530, "User %s access denied.", name); + if (logging) { + char data_addr[256]; + + if (inet_ntop (his_addr->sa_family, + socket_get_address(his_addr), + data_addr, + sizeof(data_addr)) == NULL) + strlcpy (data_addr, + "unknown address", + sizeof(data_addr)); + + syslog(LOG_NOTICE, + "FTP LOGIN REFUSED FROM %s(%s), %s", + remotehost, + data_addr, + name); + } + pw = (struct passwd *) NULL; + return; + } + } + if (logging) + strlcpy(curname, name, sizeof(curname)); + if(sec_complete) { + if(sec_userok(name) == 0) + do_login(232, name); + else + reply(530, "User %s access denied.", name); + } else { + char ss[256]; + +#ifdef OTP + if (otp_challenge(&otp_ctx, name, ss, sizeof(ss)) == 0) { + reply(331, "Password %s for %s required.", + ss, name); + askpasswd = 1; + } else +#endif + if ((auth_level & AUTH_OTP) == 0) { + reply(331, "Password required for %s.", name); + askpasswd = 1; + } else { + char *s; + +#ifdef OTP + if ((s = otp_error (&otp_ctx)) != NULL) + lreply(530, "OTP: %s", s); +#endif + reply(530, + "Only authorized, anonymous" +#ifdef OTP + " and OTP " +#endif + "login allowed."); + } + + } + /* + * Delay before reading passwd after first failed + * attempt to slow down passwd-guessing programs. + */ + if (login_attempts) + sleep(login_attempts); +} + +/* + * Check if a user is in the file "fname" + */ +static int +checkuser(char *fname, char *name) +{ + FILE *fd; + int found = 0; + char *p, line[BUFSIZ]; + + if ((fd = fopen(fname, "r")) != NULL) { + while (fgets(line, sizeof(line), fd) != NULL) + if ((p = strchr(line, '\n')) != NULL) { + *p = '\0'; + if (line[0] == '#') + continue; + if (strcmp(line, name) == 0) { + found = 1; + break; + } + } + fclose(fd); + } + return (found); +} + + +/* + * Determine whether a user has access, based on information in + * _PATH_FTPUSERS. The users are listed one per line, with `allow' + * or `deny' after the username. If anything other than `allow', or + * just nothing, is given after the username, `deny' is assumed. + * + * If the user is not found in the file, but the pseudo-user `*' is, + * the permission is taken from that line. + * + * This preserves the old semantics where if a user was listed in the + * file he was denied, otherwise he was allowed. + * + * Return 1 if the user is denied, or 0 if he is allowed. */ + +static int +match(const char *pattern, const char *string) +{ + return fnmatch(pattern, string, FNM_NOESCAPE); +} + +static int +checkaccess(char *name) +{ +#define ALLOWED 0 +#define NOT_ALLOWED 1 + FILE *fd; + int allowed = ALLOWED; + char *user, *perm, line[BUFSIZ]; + char *foo; + + fd = fopen(_PATH_FTPUSERS, "r"); + + if(fd == NULL) + return allowed; + + while (fgets(line, sizeof(line), fd) != NULL) { + foo = NULL; + user = strtok_r(line, " \t\n", &foo); + if (user == NULL || user[0] == '#') + continue; + perm = strtok_r(NULL, " \t\n", &foo); + if (match(user, name) == 0){ + if(perm && strcmp(perm, "allow") == 0) + allowed = ALLOWED; + else + allowed = NOT_ALLOWED; + break; + } + } + fclose(fd); + return allowed; +} +#undef ALLOWED +#undef NOT_ALLOWED + + +int do_login(int code, char *passwd) +{ + FILE *fd; + login_attempts = 0; /* this time successful */ + if (setegid((gid_t)pw->pw_gid) < 0) { + reply(550, "Can't set gid."); + return -1; + } + initgroups(pw->pw_name, pw->pw_gid); + + /* open wtmp before chroot */ + ftpd_logwtmp(ttyline, pw->pw_name, remotehost); + logged_in = 1; + + dochroot = checkuser(_PATH_FTPCHROOT, pw->pw_name); + if (guest) { + /* + * We MUST do a chdir() after the chroot. Otherwise + * the old current directory will be accessible as "." + * outside the new root! + */ + if (chroot(pw->pw_dir) < 0 || chdir("/") < 0) { + reply(550, "Can't set guest privileges."); + return -1; + } + } else if (dochroot) { + if (chroot(pw->pw_dir) < 0 || chdir("/") < 0) { + reply(550, "Can't change root."); + return -1; + } + } else if (chdir(pw->pw_dir) < 0) { + if (chdir("/") < 0) { + reply(530, "User %s: can't change directory to %s.", + pw->pw_name, pw->pw_dir); + return -1; + } else + lreply(code, "No directory! Logging in with home=/"); + } + if (seteuid((uid_t)pw->pw_uid) < 0) { + reply(550, "Can't set uid."); + return -1; + } + + if(use_builtin_ls == -1) { + struct stat st; + /* if /bin/ls exist and is a regular file, use it, otherwise + use built-in ls */ + if(stat("/bin/ls", &st) == 0 && + S_ISREG(st.st_mode)) + use_builtin_ls = 0; + else + use_builtin_ls = 1; + } + + /* + * Display a login message, if it exists. + * N.B. reply(code,) must follow the message. + */ + show_file(_PATH_FTPLOGINMESG, code); + if(show_file(_PATH_ISSUE_NET, code) != 0) + show_file(_PATH_ISSUE, code); + if (guest) { + reply(code, "Guest login ok, access restrictions apply."); +#ifdef HAVE_SETPROCTITLE + snprintf (proctitle, sizeof(proctitle), + "%s: anonymous/%s", + remotehost, + passwd); + setproctitle(proctitle); +#endif /* HAVE_SETPROCTITLE */ + if (logging) { + char data_addr[256]; + + if (inet_ntop (his_addr->sa_family, + socket_get_address(his_addr), + data_addr, sizeof(data_addr)) == NULL) + strlcpy (data_addr, "unknown address", + sizeof(data_addr)); + + syslog(LOG_INFO, "ANONYMOUS FTP LOGIN FROM %s(%s), %s", + remotehost, + data_addr, + passwd); + } + } else { + reply(code, "User %s logged in.", pw->pw_name); +#ifdef HAVE_SETPROCTITLE + snprintf(proctitle, sizeof(proctitle), "%s: %s", remotehost, pw->pw_name); + setproctitle(proctitle); +#endif /* HAVE_SETPROCTITLE */ + if (logging) { + char data_addr[256]; + + if (inet_ntop (his_addr->sa_family, + socket_get_address(his_addr), + data_addr, sizeof(data_addr)) == NULL) + strlcpy (data_addr, "unknown address", + sizeof(data_addr)); + + syslog(LOG_INFO, "FTP LOGIN FROM %s(%s) as %s", + remotehost, + data_addr, + pw->pw_name); + } + } + umask(defumask); + return 0; +} + +/* + * Terminate login as previous user, if any, resetting state; + * used when USER command is given or login fails. + */ +static void +end_login(void) +{ + + seteuid((uid_t)0); + if (logged_in) + ftpd_logwtmp(ttyline, "", ""); + pw = NULL; + logged_in = 0; + guest = 0; + dochroot = 0; +} + +void +pass(char *passwd) +{ + int rval; + + /* some clients insists on sending a password */ + if (logged_in && askpasswd == 0){ + reply(230, "Dumpucko!"); + return; + } + + if (logged_in || askpasswd == 0) { + reply(503, "Login with USER first."); + return; + } + askpasswd = 0; + rval = 1; + if (!guest) { /* "ftp" is only account allowed no password */ + if (pw == NULL) + rval = 1; /* failure below */ +#ifdef OTP + else if (otp_verify_user (&otp_ctx, passwd) == 0) { + rval = 0; + } +#endif + else if((auth_level & AUTH_OTP) == 0) { +#ifdef KRB4 + char realm[REALM_SZ]; + if((rval = krb_get_lrealm(realm, 1)) == KSUCCESS) + rval = krb_verify_user(pw->pw_name, + "", realm, + passwd, + KRB_VERIFY_SECURE, NULL); + if (rval == KSUCCESS ) { + chown (tkt_string(), pw->pw_uid, pw->pw_gid); + if(k_hasafs()) + krb_afslog(0, 0); + } else +#endif + rval = unix_verify_user(pw->pw_name, passwd); + } else { + char *s; + +#ifdef OTP + if ((s = otp_error(&otp_ctx)) != NULL) + lreply(530, "OTP: %s", s); +#endif + } + memset (passwd, 0, strlen(passwd)); + + /* + * If rval == 1, the user failed the authentication + * check above. If rval == 0, either Kerberos or + * local authentication succeeded. + */ + if (rval) { + char data_addr[256]; + + if (inet_ntop (his_addr->sa_family, + socket_get_address(his_addr), + data_addr, sizeof(data_addr)) == NULL) + strlcpy (data_addr, "unknown address", + sizeof(data_addr)); + + reply(530, "Login incorrect."); + if (logging) + syslog(LOG_NOTICE, + "FTP LOGIN FAILED FROM %s(%s), %s", + remotehost, + data_addr, + curname); + pw = NULL; + if (login_attempts++ >= 5) { + syslog(LOG_NOTICE, + "repeated login failures from %s(%s)", + remotehost, + data_addr); + exit(0); + } + return; + } + } + if(!do_login(230, passwd)) + return; + + /* Forget all about it... */ + end_login(); +} + +void +retrieve(const char *cmd, char *name) +{ + FILE *fin = NULL, *dout; + struct stat st; + int (*closefunc) (FILE *); + char line[BUFSIZ]; + + + if (cmd == 0) { + fin = fopen(name, "r"); + closefunc = fclose; + st.st_size = 0; + if(fin == NULL){ + int save_errno = errno; + struct cmds { + const char *ext; + const char *cmd; + const char *rev_cmd; + } cmds[] = { + {".tar", "/bin/gtar cPf - %s", NULL}, + {".tar.gz", "/bin/gtar zcPf - %s", NULL}, + {".tar.Z", "/bin/gtar ZcPf - %s", NULL}, + {".gz", "/bin/gzip -c -- %s", "/bin/gzip -c -d -- %s"}, + {".Z", "/bin/compress -c -- %s", "/bin/uncompress -c -- %s"}, + {NULL, NULL} + }; + struct cmds *p; + for(p = cmds; p->ext; p++){ + char *tail = name + strlen(name) - strlen(p->ext); + char c = *tail; + + if(strcmp(tail, p->ext) == 0 && + (*tail = 0) == 0 && + access(name, R_OK) == 0){ + snprintf (line, sizeof(line), p->cmd, name); + *tail = c; + break; + } + *tail = c; + if (p->rev_cmd != NULL) { + char *ext; + + asprintf(&ext, "%s%s", name, p->ext); + if (ext != NULL) { + if (access(ext, R_OK) == 0) { + snprintf (line, sizeof(line), + p->rev_cmd, ext); + free(ext); + break; + } + free(ext); + } + } + + } + if(p->ext){ + fin = ftpd_popen(line, "r", 0, 0); + closefunc = ftpd_pclose; + st.st_size = -1; + cmd = line; + } else + errno = save_errno; + } + } else { + snprintf(line, sizeof(line), cmd, name); + name = line; + fin = ftpd_popen(line, "r", 1, 0); + closefunc = ftpd_pclose; + st.st_size = -1; + } + if (fin == NULL) { + if (errno != 0) { + perror_reply(550, name); + if (cmd == 0) { + LOGCMD("get", name); + } + } + return; + } + byte_count = -1; + if (cmd == 0){ + if(fstat(fileno(fin), &st) < 0 || !S_ISREG(st.st_mode)) { + reply(550, "%s: not a plain file.", name); + goto done; + } + } + if (restart_point) { + if (type == TYPE_A) { + off_t i, n; + int c; + + n = restart_point; + i = 0; + while (i++ < n) { + if ((c=getc(fin)) == EOF) { + perror_reply(550, name); + goto done; + } + if (c == '\n') + i++; + } + } else if (lseek(fileno(fin), restart_point, SEEK_SET) < 0) { + perror_reply(550, name); + goto done; + } + } + dout = dataconn(name, st.st_size, "w"); + if (dout == NULL) + goto done; + set_buffer_size(fileno(dout), 0); + send_data(fin, dout); + fclose(dout); + data = -1; + pdata = -1; +done: + if (cmd == 0) + LOGBYTES("get", name, byte_count); + (*closefunc)(fin); +} + +/* filename sanity check */ + +int +filename_check(char *filename) +{ + static const char good_chars[] = "+-=_,."; + char *p; + + p = strrchr(filename, '/'); + if(p) + filename = p + 1; + + p = filename; + + if(isalnum(*p)){ + p++; + while(*p && (isalnum(*p) || strchr(good_chars, *p))) + p++; + if(*p == '\0') + return 0; + } + lreply(553, "\"%s\" is an illegal filename.", filename); + lreply(553, "The filename must start with an alphanumeric " + "character and must only"); + reply(553, "consist of alphanumeric characters or any of the following: %s", + good_chars); + return 1; +} + +void +do_store(char *name, char *mode, int unique) +{ + FILE *fout, *din; + struct stat st; + int (*closefunc) (FILE *); + + if(guest && filename_check(name)) + return; + if (unique && stat(name, &st) == 0 && + (name = gunique(name)) == NULL) { + LOGCMD(*mode == 'w' ? "put" : "append", name); + return; + } + + if (restart_point) + mode = "r+"; + fout = fopen(name, mode); + closefunc = fclose; + if (fout == NULL) { + perror_reply(553, name); + LOGCMD(*mode == 'w' ? "put" : "append", name); + return; + } + byte_count = -1; + if (restart_point) { + if (type == TYPE_A) { + off_t i, n; + int c; + + n = restart_point; + i = 0; + while (i++ < n) { + if ((c=getc(fout)) == EOF) { + perror_reply(550, name); + goto done; + } + if (c == '\n') + i++; + } + /* + * We must do this seek to "current" position + * because we are changing from reading to + * writing. + */ + if (fseek(fout, 0L, SEEK_CUR) < 0) { + perror_reply(550, name); + goto done; + } + } else if (lseek(fileno(fout), restart_point, SEEK_SET) < 0) { + perror_reply(550, name); + goto done; + } + } + din = dataconn(name, (off_t)-1, "r"); + if (din == NULL) + goto done; + set_buffer_size(fileno(din), 1); + if (receive_data(din, fout) == 0) { + if (unique) + reply(226, "Transfer complete (unique file name:%s).", + name); + else + reply(226, "Transfer complete."); + } + fclose(din); + data = -1; + pdata = -1; +done: + LOGBYTES(*mode == 'w' ? "put" : "append", name, byte_count); + (*closefunc)(fout); +} + +static FILE * +getdatasock(const char *mode) +{ + int s, t, tries; + + if (data >= 0) + return (fdopen(data, mode)); + seteuid(0); + s = socket(ctrl_addr->sa_family, SOCK_STREAM, 0); + if (s < 0) + goto bad; + socket_set_reuseaddr (s, 1); + /* anchor socket to avoid multi-homing problems */ + socket_set_address_and_port (data_source, + socket_get_address (ctrl_addr), + socket_get_port (data_source)); + + for (tries = 1; ; tries++) { + if (bind(s, data_source, + socket_sockaddr_size (data_source)) >= 0) + break; + if (errno != EADDRINUSE || tries > 10) + goto bad; + sleep(tries); + } + seteuid(pw->pw_uid); +#ifdef IPTOS_THROUGHPUT + socket_set_tos (s, IPTOS_THROUGHPUT); +#endif + return (fdopen(s, mode)); +bad: + /* Return the real value of errno (close may change it) */ + t = errno; + seteuid((uid_t)pw->pw_uid); + close(s); + errno = t; + return (NULL); +} + +static FILE * +dataconn(const char *name, off_t size, const char *mode) +{ + char sizebuf[32]; + FILE *file; + int retry = 0; + + file_size = size; + byte_count = 0; + if (size >= 0) + snprintf(sizebuf, sizeof(sizebuf), " (%ld bytes)", (long)size); + else + *sizebuf = '\0'; + if (pdata >= 0) { + struct sockaddr_storage from_ss; + struct sockaddr *from = (struct sockaddr *)&from_ss; + int s; + int fromlen = sizeof(from_ss); + + s = accept(pdata, from, &fromlen); + if (s < 0) { + reply(425, "Can't open data connection."); + close(pdata); + pdata = -1; + return (NULL); + } + close(pdata); + pdata = s; +#if defined(IP_TOS) && defined(HAVE_SETSOCKOPT) + { + int tos = IPTOS_THROUGHPUT; + + setsockopt(s, IPPROTO_IP, IP_TOS, (void *)&tos, + sizeof(tos)); + } +#endif + reply(150, "Opening %s mode data connection for '%s'%s.", + type == TYPE_A ? "ASCII" : "BINARY", name, sizebuf); + return (fdopen(pdata, mode)); + } + if (data >= 0) { + reply(125, "Using existing data connection for '%s'%s.", + name, sizebuf); + usedefault = 1; + return (fdopen(data, mode)); + } + if (usedefault) + data_dest = his_addr; + usedefault = 1; + file = getdatasock(mode); + if (file == NULL) { + char data_addr[256]; + + if (inet_ntop (data_source->sa_family, + socket_get_address(data_source), + data_addr, sizeof(data_addr)) == NULL) + strlcpy (data_addr, "unknown address", + sizeof(data_addr)); + + reply(425, "Can't create data socket (%s,%d): %s.", + data_addr, + socket_get_port (data_source), + strerror(errno)); + return (NULL); + } + data = fileno(file); + while (connect(data, data_dest, + socket_sockaddr_size(data_dest)) < 0) { + if (errno == EADDRINUSE && retry < swaitmax) { + sleep(swaitint); + retry += swaitint; + continue; + } + perror_reply(425, "Can't build data connection"); + fclose(file); + data = -1; + return (NULL); + } + reply(150, "Opening %s mode data connection for '%s'%s.", + type == TYPE_A ? "ASCII" : "BINARY", name, sizebuf); + return (file); +} + +/* + * Tranfer the contents of "instr" to "outstr" peer using the appropriate + * encapsulation of the data subject * to Mode, Structure, and Type. + * + * NB: Form isn't handled. + */ +static void +send_data(FILE *instr, FILE *outstr) +{ + int c, cnt, filefd, netfd; + static char *buf; + static size_t bufsize; + + transflag++; + if (setjmp(urgcatch)) { + transflag = 0; + return; + } + switch (type) { + + case TYPE_A: + while ((c = getc(instr)) != EOF) { + byte_count++; + if(c == '\n') + sec_putc('\r', outstr); + sec_putc(c, outstr); + } + sec_fflush(outstr); + transflag = 0; + if (ferror(instr)) + goto file_err; + if (ferror(outstr)) + goto data_err; + reply(226, "Transfer complete."); + return; + + case TYPE_I: + case TYPE_L: +#if defined(HAVE_MMAP) && !defined(NO_MMAP) +#ifndef MAP_FAILED +#define MAP_FAILED (-1) +#endif + { + struct stat st; + char *chunk; + int in = fileno(instr); + if(fstat(in, &st) == 0 && S_ISREG(st.st_mode) + && st.st_size > 0) { + /* + * mmap zero bytes has potential of loosing, don't do it. + */ + chunk = mmap(0, st.st_size, PROT_READ, + MAP_SHARED, in, 0); + if((void *)chunk != (void *)MAP_FAILED) { + cnt = st.st_size - restart_point; + sec_write(fileno(outstr), chunk + restart_point, cnt); + if (munmap(chunk, st.st_size) < 0) + warn ("munmap"); + sec_fflush(outstr); + byte_count = cnt; + transflag = 0; + } + } + } +#endif + if(transflag) { + struct stat st; + + netfd = fileno(outstr); + filefd = fileno(instr); + buf = alloc_buffer (buf, &bufsize, + fstat(filefd, &st) >= 0 ? &st : NULL); + if (buf == NULL) { + transflag = 0; + perror_reply(451, "Local resource failure: malloc"); + return; + } + while ((cnt = read(filefd, buf, bufsize)) > 0 && + sec_write(netfd, buf, cnt) == cnt) + byte_count += cnt; + sec_fflush(outstr); /* to end an encrypted stream */ + transflag = 0; + if (cnt != 0) { + if (cnt < 0) + goto file_err; + goto data_err; + } + } + reply(226, "Transfer complete."); + return; + default: + transflag = 0; + reply(550, "Unimplemented TYPE %d in send_data", type); + return; + } + +data_err: + transflag = 0; + perror_reply(426, "Data connection"); + return; + +file_err: + transflag = 0; + perror_reply(551, "Error on input file"); +} + +/* + * Transfer data from peer to "outstr" using the appropriate encapulation of + * the data subject to Mode, Structure, and Type. + * + * N.B.: Form isn't handled. + */ +static int +receive_data(FILE *instr, FILE *outstr) +{ + int cnt, bare_lfs = 0; + static char *buf; + static size_t bufsize; + struct stat st; + + transflag++; + if (setjmp(urgcatch)) { + transflag = 0; + return (-1); + } + + buf = alloc_buffer (buf, &bufsize, + fstat(fileno(outstr), &st) >= 0 ? &st : NULL); + if (buf == NULL) { + transflag = 0; + perror_reply(451, "Local resource failure: malloc"); + return -1; + } + + switch (type) { + + case TYPE_I: + case TYPE_L: + while ((cnt = sec_read(fileno(instr), buf, bufsize)) > 0) { + if (write(fileno(outstr), buf, cnt) != cnt) + goto file_err; + byte_count += cnt; + } + if (cnt < 0) + goto data_err; + transflag = 0; + return (0); + + case TYPE_E: + reply(553, "TYPE E not implemented."); + transflag = 0; + return (-1); + + case TYPE_A: + { + char *p, *q; + int cr_flag = 0; + while ((cnt = sec_read(fileno(instr), + buf + cr_flag, + bufsize - cr_flag)) > 0){ + byte_count += cnt; + cnt += cr_flag; + cr_flag = 0; + for(p = buf, q = buf; p < buf + cnt;) { + if(*p == '\n') + bare_lfs++; + if(*p == '\r') { + if(p == buf + cnt - 1){ + cr_flag = 1; + p++; + continue; + }else if(p[1] == '\n'){ + *q++ = '\n'; + p += 2; + continue; + } + } + *q++ = *p++; + } + fwrite(buf, q - buf, 1, outstr); + if(cr_flag) + buf[0] = '\r'; + } + if(cr_flag) + putc('\r', outstr); + fflush(outstr); + if (ferror(instr)) + goto data_err; + if (ferror(outstr)) + goto file_err; + transflag = 0; + if (bare_lfs) { + lreply(226, "WARNING! %d bare linefeeds received in ASCII mode\r\n" + " File may not have transferred correctly.\r\n", + bare_lfs); + } + return (0); + } + default: + reply(550, "Unimplemented TYPE %d in receive_data", type); + transflag = 0; + return (-1); + } + +data_err: + transflag = 0; + perror_reply(426, "Data Connection"); + return (-1); + +file_err: + transflag = 0; + perror_reply(452, "Error writing file"); + return (-1); +} + +void +statfilecmd(char *filename) +{ + FILE *fin; + int c; + char line[LINE_MAX]; + + snprintf(line, sizeof(line), "/bin/ls -la -- %s", filename); + fin = ftpd_popen(line, "r", 1, 0); + lreply(211, "status of %s:", filename); + while ((c = getc(fin)) != EOF) { + if (c == '\n') { + if (ferror(stdout)){ + perror_reply(421, "control connection"); + ftpd_pclose(fin); + dologout(1); + /* NOTREACHED */ + } + if (ferror(fin)) { + perror_reply(551, filename); + ftpd_pclose(fin); + return; + } + putc('\r', stdout); + } + putc(c, stdout); + } + ftpd_pclose(fin); + reply(211, "End of Status"); +} + +void +statcmd(void) +{ +#if 0 + struct sockaddr_in *sin; + u_char *a, *p; + + lreply(211, "%s FTP server (%s) status:", hostname, version); + printf(" %s\r\n", version); + printf(" Connected to %s", remotehost); + if (!isdigit(remotehost[0])) + printf(" (%s)", inet_ntoa(his_addr.sin_addr)); + printf("\r\n"); + if (logged_in) { + if (guest) + printf(" Logged in anonymously\r\n"); + else + printf(" Logged in as %s\r\n", pw->pw_name); + } else if (askpasswd) + printf(" Waiting for password\r\n"); + else + printf(" Waiting for user name\r\n"); + printf(" TYPE: %s", typenames[type]); + if (type == TYPE_A || type == TYPE_E) + printf(", FORM: %s", formnames[form]); + if (type == TYPE_L) +#if NBBY == 8 + printf(" %d", NBBY); +#else + printf(" %d", bytesize); /* need definition! */ +#endif + printf("; STRUcture: %s; transfer MODE: %s\r\n", + strunames[stru], modenames[mode]); + if (data != -1) + printf(" Data connection open\r\n"); + else if (pdata != -1) { + printf(" in Passive mode"); + sin = &pasv_addr; + goto printaddr; + } else if (usedefault == 0) { + printf(" PORT"); + sin = &data_dest; +printaddr: + a = (u_char *) &sin->sin_addr; + p = (u_char *) &sin->sin_port; +#define UC(b) (((int) b) & 0xff) + printf(" (%d,%d,%d,%d,%d,%d)\r\n", UC(a[0]), + UC(a[1]), UC(a[2]), UC(a[3]), UC(p[0]), UC(p[1])); +#undef UC + } else + printf(" No data connection\r\n"); +#endif + reply(211, "End of status"); +} + +void +fatal(char *s) +{ + + reply(451, "Error in server: %s\n", s); + reply(221, "Closing connection due to server error."); + dologout(0); + /* NOTREACHED */ +} + +static void +int_reply(int, char *, const char *, va_list) +#ifdef __GNUC__ +__attribute__ ((format (printf, 3, 0))) +#endif +; + +static void +int_reply(int n, char *c, const char *fmt, va_list ap) +{ + char buf[10240]; + char *p; + p=buf; + if(n){ + snprintf(p, sizeof(buf), "%d%s", n, c); + p+=strlen(p); + } + vsnprintf(p, sizeof(buf) - strlen(p), fmt, ap); + p+=strlen(p); + snprintf(p, sizeof(buf) - strlen(p), "\r\n"); + p+=strlen(p); + sec_fprintf(stdout, "%s", buf); + fflush(stdout); + if (debug) + syslog(LOG_DEBUG, "<--- %s- ", buf); +} + +void +reply(int n, const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + int_reply(n, " ", fmt, ap); + delete_ftp_command(); + va_end(ap); +} + +void +lreply(int n, const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + int_reply(n, "-", fmt, ap); + va_end(ap); +} + +void +nreply(const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + int_reply(0, NULL, fmt, ap); + va_end(ap); +} + +static void +ack(char *s) +{ + + reply(250, "%s command successful.", s); +} + +void +nack(char *s) +{ + + reply(502, "%s command not implemented.", s); +} + +/* ARGSUSED */ +void +yyerror(char *s) +{ + char *cp; + + if ((cp = strchr(cbuf,'\n'))) + *cp = '\0'; + reply(500, "'%s': command not understood.", cbuf); +} + +void +do_delete(char *name) +{ + struct stat st; + + LOGCMD("delete", name); + if (stat(name, &st) < 0) { + perror_reply(550, name); + return; + } + if ((st.st_mode&S_IFMT) == S_IFDIR) { + if (rmdir(name) < 0) { + perror_reply(550, name); + return; + } + goto done; + } + if (unlink(name) < 0) { + perror_reply(550, name); + return; + } +done: + ack("DELE"); +} + +void +cwd(char *path) +{ + + if (chdir(path) < 0) + perror_reply(550, path); + else + ack("CWD"); +} + +void +makedir(char *name) +{ + + LOGCMD("mkdir", name); + if(guest && filename_check(name)) + return; + if (mkdir(name, 0777) < 0) + perror_reply(550, name); + else{ + if(guest) + chmod(name, 0700); /* guest has umask 777 */ + reply(257, "MKD command successful."); + } +} + +void +removedir(char *name) +{ + + LOGCMD("rmdir", name); + if (rmdir(name) < 0) + perror_reply(550, name); + else + ack("RMD"); +} + +void +pwd(void) +{ + char path[MaxPathLen]; + char *ret; + + /* SunOS has a broken getcwd that does popen(pwd) (!!!), this + * failes miserably when running chroot + */ + ret = getcwd(path, sizeof(path)); + if (ret == NULL) + reply(550, "%s.", strerror(errno)); + else + reply(257, "\"%s\" is current directory.", path); +} + +char * +renamefrom(char *name) +{ + struct stat st; + + if (stat(name, &st) < 0) { + perror_reply(550, name); + return NULL; + } + reply(350, "File exists, ready for destination name"); + return (name); +} + +void +renamecmd(char *from, char *to) +{ + + LOGCMD2("rename", from, to); + if(guest && filename_check(to)) + return; + if (rename(from, to) < 0) + perror_reply(550, "rename"); + else + ack("RNTO"); +} + +static void +dolog(struct sockaddr *sa, int len) +{ + getnameinfo_verified (sa, len, remotehost, sizeof(remotehost), + NULL, 0, 0); +#ifdef HAVE_SETPROCTITLE + snprintf(proctitle, sizeof(proctitle), "%s: connected", remotehost); + setproctitle(proctitle); +#endif /* HAVE_SETPROCTITLE */ + + if (logging) { + char data_addr[256]; + + if (inet_ntop (his_addr->sa_family, + socket_get_address(his_addr), + data_addr, sizeof(data_addr)) == NULL) + strlcpy (data_addr, "unknown address", + sizeof(data_addr)); + + + syslog(LOG_INFO, "connection from %s(%s)", + remotehost, + data_addr); + } +} + +/* + * Record logout in wtmp file + * and exit with supplied status. + */ +void +dologout(int status) +{ + transflag = 0; + if (logged_in) { + seteuid((uid_t)0); + ftpd_logwtmp(ttyline, "", ""); +#ifdef KRB4 + cond_kdestroy(); +#endif + } + /* beware of flushing buffers after a SIGPIPE */ +#ifdef XXX + exit(status); +#else + _exit(status); +#endif +} + +void abor(void) +{ +} + +static void +myoob(int signo) +{ +#if 0 + char *cp; +#endif + + /* only process if transfer occurring */ + if (!transflag) + return; + + /* This is all XXX */ + oobflag = 1; + /* if the command resulted in a new command, + parse that as well */ + do{ + yyparse(); + } while(ftp_command); + oobflag = 0; + +#if 0 + cp = tmpline; + if (ftpd_getline(cp, 7) == NULL) { + reply(221, "You could at least say goodbye."); + dologout(0); + } + upper(cp); + if (strcmp(cp, "ABOR\r\n") == 0) { + tmpline[0] = '\0'; + reply(426, "Transfer aborted. Data connection closed."); + reply(226, "Abort successful"); + longjmp(urgcatch, 1); + } + if (strcmp(cp, "STAT\r\n") == 0) { + if (file_size != (off_t) -1) + reply(213, "Status: %ld of %ld bytes transferred", + (long)byte_count, + (long)file_size); + else + reply(213, "Status: %ld bytes transferred" + (long)byte_count); + } +#endif +} + +/* + * Note: a response of 425 is not mentioned as a possible response to + * the PASV command in RFC959. However, it has been blessed as + * a legitimate response by Jon Postel in a telephone conversation + * with Rick Adams on 25 Jan 89. + */ +void +pasv(void) +{ + int len; + char *p, *a; + struct sockaddr_in *sin; + + if (ctrl_addr->sa_family != AF_INET) { + reply(425, + "You cannot do PASV with something that's not IPv4"); + return; + } + + pdata = socket(ctrl_addr->sa_family, SOCK_STREAM, 0); + if (pdata < 0) { + perror_reply(425, "Can't open passive connection"); + return; + } + pasv_addr->sa_family = ctrl_addr->sa_family; + socket_set_address_and_port (pasv_addr, + socket_get_address (ctrl_addr), + 0); + seteuid(0); + if (bind(pdata, pasv_addr, socket_sockaddr_size (pasv_addr)) < 0) { + seteuid(pw->pw_uid); + goto pasv_error; + } + seteuid(pw->pw_uid); + len = sizeof(pasv_addr_ss); + if (getsockname(pdata, pasv_addr, &len) < 0) + goto pasv_error; + if (listen(pdata, 1) < 0) + goto pasv_error; + sin = (struct sockaddr_in *)pasv_addr; + a = (char *) &sin->sin_addr; + p = (char *) &sin->sin_port; + +#define UC(b) (((int) b) & 0xff) + + reply(227, "Entering Passive Mode (%d,%d,%d,%d,%d,%d)", UC(a[0]), + UC(a[1]), UC(a[2]), UC(a[3]), UC(p[0]), UC(p[1])); + return; + +pasv_error: + close(pdata); + pdata = -1; + perror_reply(425, "Can't open passive connection"); + return; +} + +void +epsv(char *proto) +{ + int len; + + pdata = socket(ctrl_addr->sa_family, SOCK_STREAM, 0); + if (pdata < 0) { + perror_reply(425, "Can't open passive connection"); + return; + } + pasv_addr->sa_family = ctrl_addr->sa_family; + socket_set_address_and_port (pasv_addr, + socket_get_address (ctrl_addr), + 0); + seteuid(0); + if (bind(pdata, pasv_addr, socket_sockaddr_size (pasv_addr)) < 0) { + seteuid(pw->pw_uid); + goto pasv_error; + } + seteuid(pw->pw_uid); + len = sizeof(pasv_addr_ss); + if (getsockname(pdata, pasv_addr, &len) < 0) + goto pasv_error; + if (listen(pdata, 1) < 0) + goto pasv_error; + + reply(229, "Entering Extended Passive Mode (|||%d|)", + ntohs(socket_get_port (pasv_addr))); + return; + +pasv_error: + close(pdata); + pdata = -1; + perror_reply(425, "Can't open passive connection"); + return; +} + +void +eprt(char *str) +{ + char *end; + char sep; + int af; + int ret; + int port; + + usedefault = 0; + if (pdata >= 0) { + close(pdata); + pdata = -1; + } + + sep = *str++; + if (sep == '\0') { + reply(500, "Bad syntax in EPRT"); + return; + } + af = strtol (str, &end, 0); + if (af == 0 || *end != sep) { + reply(500, "Bad syntax in EPRT"); + return; + } + str = end + 1; + switch (af) { +#ifdef HAVE_IPV6 + case 2 : + data_dest->sa_family = AF_INET6; + break; +#endif + case 1 : + data_dest->sa_family = AF_INET; + break; + default : + reply(522, "Network protocol %d not supported, use (1" +#ifdef HAVE_IPV6 + ",2" +#endif + ")", af); + return; + } + end = strchr (str, sep); + if (end == NULL) { + reply(500, "Bad syntax in EPRT"); + return; + } + *end = '\0'; + ret = inet_pton (data_dest->sa_family, str, + socket_get_address (data_dest)); + + if (ret != 1) { + reply(500, "Bad address syntax in EPRT"); + return; + } + str = end + 1; + port = strtol (str, &end, 0); + if (port == 0 || *end != sep) { + reply(500, "Bad port syntax in EPRT"); + return; + } + socket_set_port (data_dest, htons(port)); + reply(200, "EPRT command successful."); +} + +/* + * Generate unique name for file with basename "local". + * The file named "local" is already known to exist. + * Generates failure reply on error. + */ +static char * +gunique(char *local) +{ + static char new[MaxPathLen]; + struct stat st; + int count; + char *cp; + + cp = strrchr(local, '/'); + if (cp) + *cp = '\0'; + if (stat(cp ? local : ".", &st) < 0) { + perror_reply(553, cp ? local : "."); + return NULL; + } + if (cp) + *cp = '/'; + for (count = 1; count < 100; count++) { + snprintf (new, sizeof(new), "%s.%d", local, count); + if (stat(new, &st) < 0) + return (new); + } + reply(452, "Unique file name cannot be created."); + return (NULL); +} + +/* + * Format and send reply containing system error number. + */ +void +perror_reply(int code, const char *string) +{ + reply(code, "%s: %s.", string, strerror(errno)); +} + +static char *onefile[] = { + "", + 0 +}; + +void +list_file(char *file) +{ + if(use_builtin_ls) { + FILE *dout; + dout = dataconn(file, -1, "w"); + if (dout == NULL) + return; + set_buffer_size(fileno(dout), 0); + builtin_ls(dout, file); + reply(226, "Transfer complete."); + fclose(dout); + data = -1; + pdata = -1; + } else { +#ifdef HAVE_LS_A + const char *cmd = "/bin/ls -lA -- %s"; +#else + const char *cmd = "/bin/ls -la -- %s"; +#endif + retrieve(cmd, file); + } +} + +void +send_file_list(char *whichf) +{ + struct stat st; + DIR *dirp = NULL; + struct dirent *dir; + FILE *dout = NULL; + char **dirlist, *dirname; + int simple = 0; + int freeglob = 0; + glob_t gl; + char buf[MaxPathLen]; + + if (strpbrk(whichf, "~{[*?") != NULL) { + int flags = GLOB_BRACE|GLOB_NOCHECK|GLOB_QUOTE|GLOB_TILDE; + + memset(&gl, 0, sizeof(gl)); + freeglob = 1; + if (glob(whichf, flags, 0, &gl)) { + reply(550, "not found"); + goto out; + } else if (gl.gl_pathc == 0) { + errno = ENOENT; + perror_reply(550, whichf); + goto out; + } + dirlist = gl.gl_pathv; + } else { + onefile[0] = whichf; + dirlist = onefile; + simple = 1; + } + + if (setjmp(urgcatch)) { + transflag = 0; + goto out; + } + while ((dirname = *dirlist++)) { + if (stat(dirname, &st) < 0) { + /* + * If user typed "ls -l", etc, and the client + * used NLST, do what the user meant. + */ + if (dirname[0] == '-' && *dirlist == NULL && + transflag == 0) { + retrieve("/bin/ls -- %s", dirname); + goto out; + } + perror_reply(550, whichf); + if (dout != NULL) { + fclose(dout); + transflag = 0; + data = -1; + pdata = -1; + } + goto out; + } + + if (S_ISREG(st.st_mode)) { + if (dout == NULL) { + dout = dataconn("file list", (off_t)-1, "w"); + if (dout == NULL) + goto out; + transflag++; + } + snprintf(buf, sizeof(buf), "%s%s\n", dirname, + type == TYPE_A ? "\r" : ""); + sec_write(fileno(dout), buf, strlen(buf)); + byte_count += strlen(dirname) + 1; + continue; + } else if (!S_ISDIR(st.st_mode)) + continue; + + if ((dirp = opendir(dirname)) == NULL) + continue; + + while ((dir = readdir(dirp)) != NULL) { + char nbuf[MaxPathLen]; + + if (!strcmp(dir->d_name, ".")) + continue; + if (!strcmp(dir->d_name, "..")) + continue; + + snprintf(nbuf, sizeof(nbuf), "%s/%s", dirname, dir->d_name); + + /* + * We have to do a stat to insure it's + * not a directory or special file. + */ + if (simple || (stat(nbuf, &st) == 0 && + S_ISREG(st.st_mode))) { + if (dout == NULL) { + dout = dataconn("file list", (off_t)-1, "w"); + if (dout == NULL) + goto out; + transflag++; + } + if(strncmp(nbuf, "./", 2) == 0) + snprintf(buf, sizeof(buf), "%s%s\n", nbuf +2, + type == TYPE_A ? "\r" : ""); + else + snprintf(buf, sizeof(buf), "%s%s\n", nbuf, + type == TYPE_A ? "\r" : ""); + sec_write(fileno(dout), buf, strlen(buf)); + byte_count += strlen(nbuf) + 1; + } + } + closedir(dirp); + } + if (dout == NULL) + reply(550, "No files found."); + else if (ferror(dout) != 0) + perror_reply(550, "Data connection"); + else + reply(226, "Transfer complete."); + + transflag = 0; + if (dout != NULL){ + sec_write(fileno(dout), buf, 0); /* XXX flush */ + + fclose(dout); + } + data = -1; + pdata = -1; +out: + if (freeglob) { + freeglob = 0; + globfree(&gl); + } +} + + +int +find(char *pattern) +{ + char line[1024]; + FILE *f; + + snprintf(line, sizeof(line), + "/bin/locate -d %s -- %s", + ftp_rooted("/etc/locatedb"), + pattern); + f = ftpd_popen(line, "r", 1, 1); + if(f == NULL){ + perror_reply(550, "/bin/locate"); + return 1; + } + lreply(200, "Output from find."); + while(fgets(line, sizeof(line), f)){ + if(line[strlen(line)-1] == '\n') + line[strlen(line)-1] = 0; + nreply("%s", line); + } + reply(200, "Done"); + ftpd_pclose(f); + return 0; +} + diff --git a/crypto/heimdal/appl/ftp/ftpd/ftpd_locl.h b/crypto/heimdal/appl/ftp/ftpd/ftpd_locl.h new file mode 100644 index 0000000..5cb4904 --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftpd/ftpd_locl.h @@ -0,0 +1,170 @@ +/* + * Copyright (c) 1998, 1999 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* $Id: ftpd_locl.h,v 1.9 1999/12/02 16:58:30 joda Exp $ */ + +#ifndef __ftpd_locl_h__ +#define __ftpd_locl_h__ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +/* + * FTP server. + */ +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_PARAM_H +#include <sys/param.h> +#endif +#ifdef HAVE_SYS_STAT_H +#include <sys/stat.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#if defined(HAVE_SYS_IOCTL_H) && SunOS != 40 +#include <sys/ioctl.h> +#endif +#ifdef HAVE_SYS_IOCCOM_H +#include <sys/ioccom.h> +#endif +#ifdef TIME_WITH_SYS_TIME +#include <sys/time.h> +#include <time.h> +#elif defined(HAVE_SYS_TIME_H) +#include <sys/time.h> +#else +#include <time.h> +#endif +#ifdef HAVE_SYS_RESOURCE_H +#include <sys/resource.h> +#endif +#ifdef HAVE_SYS_WAIT_H +#include <sys/wait.h> +#endif + +#ifdef HAVE_NETINET_IN_H +#include <netinet/in.h> +#endif +#ifdef HAVE_NETINET_IN_SYSTM_H +#include <netinet/in_systm.h> +#endif +#ifdef HAVE_NETINET_IP_H +#include <netinet/ip.h> +#endif + +#ifdef HAVE_SYS_MMAN_H +#include <sys/mman.h> +#endif + +#include <arpa/ftp.h> +#ifdef HAVE_ARPA_INET_H +#include <arpa/inet.h> +#endif +#ifdef HAVE_ARPA_TELNET_H +#include <arpa/telnet.h> +#endif + +#include <ctype.h> +#ifdef HAVE_DIRENT_H +#include <dirent.h> +#endif +#include <errno.h> +#ifdef HAVE_FCNTL_H +#include <fcntl.h> +#endif +#include <glob.h> +#include <limits.h> +#ifdef HAVE_PWD_H +#include <pwd.h> +#endif +#include <setjmp.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdarg.h> +#include <string.h> +#ifdef HAVE_SYSLOG_H +#include <syslog.h> +#endif +#include <time.h> +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif +#ifdef HAVE_GRP_H +#include <grp.h> +#endif +#include <fnmatch.h> + +#ifdef HAVE_BSD_BSD_H +#include <bsd/bsd.h> +#endif + +#include <err.h> + +#include "pathnames.h" +#include "extern.h" +#include "common.h" + +#include "security.h" + +#include "roken.h" + +#ifdef KRB4 +#include <krb.h> +#include <kafs.h> +#endif + +#ifdef OTP +#include <otp.h> +#endif + +#ifdef SOCKS +#include <socks.h> +extern int LIBPREFIX(fclose) (FILE *); +#endif + +/* SunOS doesn't have any declaration of fclose */ + +int fclose(FILE *stream); + +int yyparse(); + +#ifndef LOG_FTP +#define LOG_FTP LOG_DAEMON +#endif + +#endif /* __ftpd_locl_h__ */ diff --git a/crypto/heimdal/appl/ftp/ftpd/ftpusers.5 b/crypto/heimdal/appl/ftp/ftpd/ftpusers.5 new file mode 100644 index 0000000..dfd66f9 --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftpd/ftpusers.5 @@ -0,0 +1,38 @@ +.\" $Id: ftpusers.5,v 1.2 1997/05/07 20:11:11 joda Exp $ +.\" +.Dd May 7, 1997 +.Dt FTPUSERS 5 +.Os KTH-KRB +.Sh NAME +.Pa /etc/ftpusers +.Nd +FTP access list file. +.Sh DESCRIPTION +.Pa /etc/ftpusers +contains a list of users that should be allowed or denied FTP +access. Each line contains a user, optionally followed by +.Dq allow +(anything but +.Dq allow +is ignored). The semi-user +.Dq * +matches any user. Users that has an explicit +.Dq allow , +or that does not match any line, are allowed access. Anyone else is +denied access. + +Note that this is compatible with the old format, where this file +contained a list of users that should be denied access. +.Sh EXAMPLES +This will deny anyone but +.Dq foo +and +.Dq bar +to use FTP: +.Bd -literal +foo allow +bar allow +* +.Ed +.Sh SEE ALSO +.Xr ftpd 8 diff --git a/crypto/heimdal/appl/ftp/ftpd/gss_userok.c b/crypto/heimdal/appl/ftp/ftpd/gss_userok.c new file mode 100644 index 0000000..28e3596 --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftpd/gss_userok.c @@ -0,0 +1,69 @@ +/* + * Copyright (c) 1998 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "ftpd_locl.h" +#include <gssapi.h> +#include <krb5.h> + +RCSID("$Id: gss_userok.c,v 1.2 1999/12/02 16:58:31 joda Exp $"); + +/* XXX a bit too much of krb5 dependency here... + What is the correct way to do this? + */ + +extern krb5_context gssapi_krb5_context; + +/* XXX sync with gssapi.c */ +struct gss_data { + gss_ctx_id_t context_hdl; + char *client_name; +}; + +int gss_userok(void*, char*); /* to keep gcc happy */ + +int +gss_userok(void *app_data, char *username) +{ + struct gss_data *data = app_data; + if(gssapi_krb5_context) { + krb5_principal client; + krb5_error_code ret; + ret = krb5_parse_name(gssapi_krb5_context, data->client_name, &client); + if(ret) + return 1; + ret = krb5_kuserok(gssapi_krb5_context, client, username); + krb5_free_principal(gssapi_krb5_context, client); + return !ret; + } + return 1; +} diff --git a/crypto/heimdal/appl/ftp/ftpd/kauth.c b/crypto/heimdal/appl/ftp/ftpd/kauth.c new file mode 100644 index 0000000..dad4de5 --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftpd/kauth.c @@ -0,0 +1,365 @@ +/* + * Copyright (c) 1995, 1996, 1997, 1998 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "ftpd_locl.h" + +RCSID("$Id: kauth.c,v 1.25 1999/12/02 16:58:31 joda Exp $"); + +static KTEXT_ST cip; +static unsigned int lifetime; +static time_t local_time; + +static krb_principal pr; + +static int do_destroy_tickets = 1; + +static int +save_tkt(const char *user, + const char *instance, + const char *realm, + const void *arg, + key_proc_t key_proc, + KTEXT *cipp) +{ + local_time = time(0); + memmove(&cip, *cipp, sizeof(cip)); + return -1; +} + +static int +store_ticket(KTEXT cip) +{ + char *ptr; + des_cblock session; + krb_principal sp; + unsigned char kvno; + KTEXT_ST tkt; + int left = cip->length; + int len; + int kerror; + + ptr = (char *) cip->dat; + + /* extract session key */ + memmove(session, ptr, 8); + ptr += 8; + left -= 8; + + len = strnlen(ptr, left); + if (len == left) + return(INTK_BADPW); + + /* extract server's name */ + strlcpy(sp.name, ptr, sizeof(sp.name)); + ptr += len + 1; + left -= len + 1; + + len = strnlen(ptr, left); + if (len == left) + return(INTK_BADPW); + + /* extract server's instance */ + strlcpy(sp.instance, ptr, sizeof(sp.instance)); + ptr += len + 1; + left -= len + 1; + + len = strnlen(ptr, left); + if (len == left) + return(INTK_BADPW); + + /* extract server's realm */ + strlcpy(sp.realm, ptr, sizeof(sp.realm)); + ptr += len + 1; + left -= len + 1; + + if(left < 3) + return INTK_BADPW; + /* extract ticket lifetime, server key version, ticket length */ + /* be sure to avoid sign extension on lifetime! */ + lifetime = (unsigned char) ptr[0]; + kvno = (unsigned char) ptr[1]; + tkt.length = (unsigned char) ptr[2]; + ptr += 3; + left -= 3; + + if (tkt.length > left) + return(INTK_BADPW); + + /* extract ticket itself */ + memmove(tkt.dat, ptr, tkt.length); + ptr += tkt.length; + left -= tkt.length; + + /* Here is where the time should be verified against the KDC. + * Unfortunately everything is sent in host byte order (receiver + * makes wrong) , and at this stage there is no way for us to know + * which byteorder the KDC has. So we simply ignore the time, + * there are no security risks with this, the only thing that can + * happen is that we might receive a replayed ticket, which could + * at most be useless. + */ + +#if 0 + /* check KDC time stamp */ + { + time_t kdc_time; + + memmove(&kdc_time, ptr, sizeof(kdc_time)); + if (swap_bytes) swap_u_long(kdc_time); + + ptr += 4; + + if (abs((int)(local_time - kdc_time)) > CLOCK_SKEW) { + return(RD_AP_TIME); /* XXX should probably be better + code */ + } + } +#endif + + /* initialize ticket cache */ + + if (tf_create(TKT_FILE) != KSUCCESS) + return(INTK_ERR); + + if (tf_put_pname(pr.name) != KSUCCESS || + tf_put_pinst(pr.instance) != KSUCCESS) { + tf_close(); + return(INTK_ERR); + } + + + kerror = tf_save_cred(sp.name, sp.instance, sp.realm, session, + lifetime, kvno, &tkt, local_time); + tf_close(); + + return(kerror); +} + +void +kauth(char *principal, char *ticket) +{ + char *p; + int ret; + + if(get_command_prot() != prot_private) { + reply(500, "Request denied (bad protection level)"); + return; + } + ret = krb_parse_name(principal, &pr); + if(ret){ + reply(500, "Bad principal: %s.", krb_get_err_text(ret)); + return; + } + if(pr.realm[0] == 0) + krb_get_lrealm(pr.realm, 1); + + if(ticket){ + cip.length = base64_decode(ticket, &cip.dat); + if(cip.length == -1){ + reply(500, "Failed to decode data."); + return; + } + ret = store_ticket(&cip); + if(ret){ + reply(500, "Kerberos error: %s.", krb_get_err_text(ret)); + memset(&cip, 0, sizeof(cip)); + return; + } + do_destroy_tickets = 1; + + if(k_hasafs()) + krb_afslog(0, 0); + reply(200, "Tickets will be destroyed on exit."); + return; + } + + ret = krb_get_in_tkt (pr.name, + pr.instance, + pr.realm, + KRB_TICKET_GRANTING_TICKET, + pr.realm, + DEFAULT_TKT_LIFE, + NULL, save_tkt, NULL); + if(ret != INTK_BADPW){ + reply(500, "Kerberos error: %s.", krb_get_err_text(ret)); + return; + } + if(base64_encode(cip.dat, cip.length, &p) < 0) { + reply(500, "Out of memory while base64-encoding."); + return; + } + reply(300, "P=%s T=%s", krb_unparse_name(&pr), p); + free(p); + memset(&cip, 0, sizeof(cip)); +} + + +static char * +short_date(int32_t dp) +{ + char *cp; + time_t t = (time_t)dp; + + if (t == (time_t)(-1L)) return "*** Never *** "; + cp = ctime(&t) + 4; + cp[15] = '\0'; + return (cp); +} + +void +klist(void) +{ + int err; + + char *file = tkt_string(); + + krb_principal pr; + + char buf1[128], buf2[128]; + int header = 1; + CREDENTIALS c; + + + + err = tf_init(file, R_TKT_FIL); + if(err != KSUCCESS){ + reply(500, "%s", krb_get_err_text(err)); + return; + } + tf_close(); + + /* + * We must find the realm of the ticket file here before calling + * tf_init because since the realm of the ticket file is not + * really stored in the principal section of the file, the + * routine we use must itself call tf_init and tf_close. + */ + err = krb_get_tf_realm(file, pr.realm); + if(err != KSUCCESS){ + reply(500, "%s", krb_get_err_text(err)); + return; + } + + err = tf_init(file, R_TKT_FIL); + if(err != KSUCCESS){ + reply(500, "%s", krb_get_err_text(err)); + return; + } + + err = tf_get_pname(pr.name); + if(err != KSUCCESS){ + reply(500, "%s", krb_get_err_text(err)); + return; + } + err = tf_get_pinst(pr.instance); + if(err != KSUCCESS){ + reply(500, "%s", krb_get_err_text(err)); + return; + } + + /* + * You may think that this is the obvious place to get the + * realm of the ticket file, but it can't be done here as the + * routine to do this must open the ticket file. This is why + * it was done before tf_init. + */ + + lreply(200, "Ticket file: %s", tkt_string()); + + lreply(200, "Principal: %s", krb_unparse_name(&pr)); + while ((err = tf_get_cred(&c)) == KSUCCESS) { + if (header) { + lreply(200, "%-15s %-15s %s", + " Issued", " Expires", " Principal (kvno)"); + header = 0; + } + strlcpy(buf1, short_date(c.issue_date), sizeof(buf1)); + c.issue_date = krb_life_to_time(c.issue_date, c.lifetime); + if (time(0) < (unsigned long) c.issue_date) + strlcpy(buf2, short_date(c.issue_date), sizeof(buf2)); + else + strlcpy(buf2, ">>> Expired <<< ", sizeof(buf2)); + lreply(200, "%s %s %s (%d)", buf1, buf2, + krb_unparse_name_long(c.service, c.instance, c.realm), c.kvno); + } + if (header && err == EOF) { + lreply(200, "No tickets in file."); + } + reply(200, " "); +} + +/* + * Only destroy if we created the tickets + */ + +void +cond_kdestroy(void) +{ + if (do_destroy_tickets) + dest_tkt(); + afsunlog(); +} + +void +kdestroy(void) +{ + dest_tkt(); + afsunlog(); + reply(200, "Tickets destroyed"); +} + +void +krbtkfile(const char *tkfile) +{ + do_destroy_tickets = 0; + krb_set_tkt_string(tkfile); + reply(200, "Using ticket file %s", tkfile); +} + +void +afslog(const char *cell) +{ + if(k_hasafs()) { + krb_afslog(cell, 0); + reply(200, "afslog done"); + } else { + reply(200, "no AFS present"); + } +} + +void +afsunlog(void) +{ + if(k_hasafs()) + k_unlog(); +} diff --git a/crypto/heimdal/appl/ftp/ftpd/logwtmp.c b/crypto/heimdal/appl/ftp/ftpd/logwtmp.c new file mode 100644 index 0000000..019cc2d --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftpd/logwtmp.c @@ -0,0 +1,137 @@ +/* + * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +RCSID("$Id: logwtmp.c,v 1.14 1999/12/02 16:58:31 joda Exp $"); +#endif + +#include <stdio.h> +#include <string.h> +#ifdef TIME_WITH_SYS_TIME +#include <sys/time.h> +#include <time.h> +#elif defined(HAVE_SYS_TIME_H) +#include <sys/time.h> +#else +#include <time.h> +#endif +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif +#ifdef HAVE_FCNTL_H +#include <fcntl.h> +#endif +#ifdef HAVE_UTMP_H +#include <utmp.h> +#endif +#ifdef HAVE_UTMPX_H +#include <utmpx.h> +#endif +#include "extern.h" + +#ifndef WTMP_FILE +#ifdef _PATH_WTMP +#define WTMP_FILE _PATH_WTMP +#else +#define WTMP_FILE "/var/adm/wtmp" +#endif +#endif + +void +ftpd_logwtmp(char *line, char *name, char *host) +{ + static int init = 0; + static int fd; +#ifdef WTMPX_FILE + static int fdx; +#endif + struct utmp ut; +#ifdef WTMPX_FILE + struct utmpx utx; +#endif + + memset(&ut, 0, sizeof(struct utmp)); +#ifdef HAVE_STRUCT_UTMP_UT_TYPE + if(name[0]) + ut.ut_type = USER_PROCESS; + else + ut.ut_type = DEAD_PROCESS; +#endif + strncpy(ut.ut_line, line, sizeof(ut.ut_line)); + strncpy(ut.ut_name, name, sizeof(ut.ut_name)); +#ifdef HAVE_STRUCT_UTMP_UT_PID + ut.ut_pid = getpid(); +#endif +#ifdef HAVE_STRUCT_UTMP_UT_HOST + strncpy(ut.ut_host, host, sizeof(ut.ut_host)); +#endif + ut.ut_time = time(NULL); + +#ifdef WTMPX_FILE + strncpy(utx.ut_line, line, sizeof(utx.ut_line)); + strncpy(utx.ut_user, name, sizeof(utx.ut_user)); + strncpy(utx.ut_host, host, sizeof(utx.ut_host)); +#ifdef HAVE_STRUCT_UTMPX_UT_SYSLEN + utx.ut_syslen = strlen(host) + 1; + if (utx.ut_syslen > sizeof(utx.ut_host)) + utx.ut_syslen = sizeof(utx.ut_host); +#endif + { + struct timeval tv; + + gettimeofday (&tv, 0); + utx.ut_tv.tv_sec = tv.tv_sec; + utx.ut_tv.tv_usec = tv.tv_usec; + } + + if(name[0]) + utx.ut_type = USER_PROCESS; + else + utx.ut_type = DEAD_PROCESS; +#endif + + if(!init){ + fd = open(WTMP_FILE, O_WRONLY|O_APPEND, 0); +#ifdef WTMPX_FILE + fdx = open(WTMPX_FILE, O_WRONLY|O_APPEND, 0); +#endif + init = 1; + } + if(fd >= 0) { + write(fd, &ut, sizeof(struct utmp)); /* XXX */ +#ifdef WTMPX_FILE + write(fdx, &utx, sizeof(struct utmpx)); +#endif + } +} diff --git a/crypto/heimdal/appl/ftp/ftpd/ls.c b/crypto/heimdal/appl/ftp/ftpd/ls.c new file mode 100644 index 0000000..2c85487 --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftpd/ls.c @@ -0,0 +1,588 @@ +/* + * Copyright (c) 1999 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of KTH nor the names of its contributors may be + * used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +#include "ftpd_locl.h" + +RCSID("$Id: ls.c,v 1.14 2000/01/05 13:48:58 joda Exp $"); + +struct fileinfo { + struct stat st; + int inode; + int bsize; + char mode[11]; + int n_link; + char *user; + char *group; + char *size; + char *major; + char *minor; + char *date; + char *filename; + char *link; +}; + +static void +free_fileinfo(struct fileinfo *f) +{ + free(f->user); + free(f->group); + free(f->size); + free(f->major); + free(f->minor); + free(f->date); + free(f->filename); + free(f->link); +} + +#define LS_DIRS 1 +#define LS_IGNORE_DOT 2 +#define LS_SORT_MODE 12 +#define SORT_MODE(f) ((f) & LS_SORT_MODE) +#define LS_SORT_NAME 4 +#define LS_SORT_MTIME 8 +#define LS_SORT_SIZE 12 +#define LS_SORT_REVERSE 16 + +#define LS_SIZE 32 +#define LS_INODE 64 + +#ifndef S_ISTXT +#define S_ISTXT S_ISVTX +#endif + +#ifndef S_ISSOCK +#define S_ISSOCK(mode) (((mode) & _S_IFMT) == S_IFSOCK) +#endif + +#ifndef S_ISLNK +#define S_ISLNK(mode) (((mode) & _S_IFMT) == S_IFLNK) +#endif + +static void +make_fileinfo(const char *filename, struct fileinfo *file, int flags) +{ + char buf[128]; + struct stat *st = &file->st; + + file->inode = st->st_ino; +#ifdef S_BLKSIZE + file->bsize = st->st_blocks * S_BLKSIZE / 1024; +#else + file->bsize = st->st_blocks * 512 / 1024; +#endif + + if(S_ISDIR(st->st_mode)) + file->mode[0] = 'd'; + else if(S_ISCHR(st->st_mode)) + file->mode[0] = 'c'; + else if(S_ISBLK(st->st_mode)) + file->mode[0] = 'b'; + else if(S_ISREG(st->st_mode)) + file->mode[0] = '-'; + else if(S_ISFIFO(st->st_mode)) + file->mode[0] = 'p'; + else if(S_ISLNK(st->st_mode)) + file->mode[0] = 'l'; + else if(S_ISSOCK(st->st_mode)) + file->mode[0] = 's'; +#ifdef S_ISWHT + else if(S_ISWHT(st->st_mode)) + file->mode[0] = 'w'; +#endif + else + file->mode[0] = '?'; + { + char *x[] = { "---", "--x", "-w-", "-wx", + "r--", "r-x", "rw-", "rwx" }; + strcpy(file->mode + 1, x[(st->st_mode & S_IRWXU) >> 6]); + strcpy(file->mode + 4, x[(st->st_mode & S_IRWXG) >> 3]); + strcpy(file->mode + 7, x[(st->st_mode & S_IRWXO) >> 0]); + if((st->st_mode & S_ISUID)) { + if((st->st_mode & S_IXUSR)) + file->mode[3] = 's'; + else + file->mode[3] = 'S'; + } + if((st->st_mode & S_ISGID)) { + if((st->st_mode & S_IXGRP)) + file->mode[6] = 's'; + else + file->mode[6] = 'S'; + } + if((st->st_mode & S_ISTXT)) { + if((st->st_mode & S_IXOTH)) + file->mode[9] = 't'; + else + file->mode[9] = 'T'; + } + } + file->n_link = st->st_nlink; + { + struct passwd *pwd; + pwd = getpwuid(st->st_uid); + if(pwd == NULL) + asprintf(&file->user, "%u", (unsigned)st->st_uid); + else + file->user = strdup(pwd->pw_name); + } + { + struct group *grp; + grp = getgrgid(st->st_gid); + if(grp == NULL) + asprintf(&file->group, "%u", (unsigned)st->st_gid); + else + file->group = strdup(grp->gr_name); + } + + if(S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode)) { +#if defined(major) && defined(minor) + asprintf(&file->major, "%u", (unsigned)major(st->st_rdev)); + asprintf(&file->minor, "%u", (unsigned)minor(st->st_rdev)); +#else + /* Don't want to use the DDI/DKI crap. */ + asprintf(&file->major, "%u", (unsigned)st->st_rdev); + asprintf(&file->minor, "%u", 0); +#endif + } else + asprintf(&file->size, "%lu", (unsigned long)st->st_size); + + { + time_t t = time(NULL); + struct tm *tm = localtime(&st->st_mtime); + if((t - st->st_mtime > 6*30*24*60*60) || + (st->st_mtime - t > 6*30*24*60*60)) + strftime(buf, sizeof(buf), "%b %e %Y", tm); + else + strftime(buf, sizeof(buf), "%b %e %H:%M", tm); + file->date = strdup(buf); + } + { + const char *p = strrchr(filename, '/'); + if(p) + p++; + else + p = filename; + file->filename = strdup(p); + } + if(S_ISLNK(st->st_mode)) { + int n; + n = readlink((char *)filename, buf, sizeof(buf)); + if(n >= 0) { + buf[n] = '\0'; + file->link = strdup(buf); + } else + warn("%s: readlink", filename); + } +} + +static void +print_file(FILE *out, + int flags, + struct fileinfo *f, + int max_inode, + int max_bsize, + int max_n_link, + int max_user, + int max_group, + int max_size, + int max_major, + int max_minor, + int max_date) +{ + if(f->filename == NULL) + return; + + if(flags & LS_INODE) { + sec_fprintf2(out, "%*d", max_inode, f->inode); + sec_fprintf2(out, " "); + } + if(flags & LS_SIZE) { + sec_fprintf2(out, "%*d", max_bsize, f->bsize); + sec_fprintf2(out, " "); + } + sec_fprintf2(out, "%s", f->mode); + sec_fprintf2(out, " "); + sec_fprintf2(out, "%*d", max_n_link, f->n_link); + sec_fprintf2(out, " "); + sec_fprintf2(out, "%-*s", max_user, f->user); + sec_fprintf2(out, " "); + sec_fprintf2(out, "%-*s", max_group, f->group); + sec_fprintf2(out, " "); + if(f->major != NULL && f->minor != NULL) + sec_fprintf2(out, "%*s, %*s", max_major, f->major, max_minor, f->minor); + else + sec_fprintf2(out, "%*s", max_size, f->size); + sec_fprintf2(out, " "); + sec_fprintf2(out, "%*s", max_date, f->date); + sec_fprintf2(out, " "); + sec_fprintf2(out, "%s", f->filename); + if(f->link) + sec_fprintf2(out, " -> %s", f->link); + sec_fprintf2(out, "\r\n"); +} + +static int +compare_filename(struct fileinfo *a, struct fileinfo *b) +{ + if(a->filename == NULL) + return 1; + if(b->filename == NULL) + return -1; + return strcmp(a->filename, b->filename); +} + +static int +compare_mtime(struct fileinfo *a, struct fileinfo *b) +{ + if(a->filename == NULL) + return 1; + if(b->filename == NULL) + return -1; + return a->st.st_mtime - b->st.st_mtime; +} + +static int +compare_size(struct fileinfo *a, struct fileinfo *b) +{ + if(a->filename == NULL) + return 1; + if(b->filename == NULL) + return -1; + return a->st.st_size - b->st.st_size; +} + +static void +list_dir(FILE *out, const char *directory, int flags); + +static int +log10(int num) +{ + int i = 1; + while(num > 10) { + i++; + num /= 10; + } + return i; +} + +/* + * Operate as lstat but fake up entries for AFS mount points so we don't + * have to fetch them. + */ + +static int +lstat_file (const char *file, struct stat *sb) +{ +#ifdef KRB4 + if (k_hasafs() + && strcmp(file, ".") + && strcmp(file, "..")) + { + struct ViceIoctl a_params; + char *last; + char *path_bkp; + static ino_t ino_counter = 0, ino_last = 0; + int ret; + const int maxsize = 2048; + + path_bkp = strdup (file); + if (path_bkp == NULL) + return -1; + + a_params.out = malloc (maxsize); + if (a_params.out == NULL) { + free (path_bkp); + return -1; + } + + /* If path contains more than the filename alone - split it */ + + last = strrchr (path_bkp, '/'); + if (last != NULL) { + *last = '\0'; + a_params.in = last + 1; + } else + a_params.in = (char *)file; + + a_params.in_size = strlen (a_params.in) + 1; + a_params.out_size = maxsize; + + ret = k_pioctl (last ? path_bkp : "." , + VIOC_AFS_STAT_MT_PT, &a_params, 0); + free (a_params.out); + if (ret < 0) { + free (path_bkp); + + if (errno != EINVAL) + return ret; + else + /* if we get EINVAL this is probably not a mountpoint */ + return lstat (file, sb); + } + + /* + * wow this was a mountpoint, lets cook the struct stat + * use . as a prototype + */ + + ret = lstat (path_bkp, sb); + free (path_bkp); + if (ret < 0) + return ret; + + if (ino_last == sb->st_ino) + ino_counter++; + else { + ino_last = sb->st_ino; + ino_counter = 0; + } + sb->st_ino += ino_counter; + sb->st_nlink = 3; + + return 0; + } +#endif /* KRB4 */ + return lstat (file, sb); +} + +static void +list_files(FILE *out, const char **files, int n_files, int flags) +{ + struct fileinfo *fi; + int i; + + fi = calloc(n_files, sizeof(*fi)); + if (fi == NULL) { + sec_fprintf2(out, "ouf of memory\r\n"); + return; + } + for(i = 0; i < n_files; i++) { + if(lstat_file(files[i], &fi[i].st) < 0) { + sec_fprintf2(out, "%s: %s\r\n", files[i], strerror(errno)); + fi[i].filename = NULL; + } else { + if((flags & LS_DIRS) == 0 && S_ISDIR(fi[i].st.st_mode)) { + if(n_files > 1) + sec_fprintf2(out, "%s:\r\n", files[i]); + list_dir(out, files[i], flags); + } else { + make_fileinfo(files[i], &fi[i], flags); + } + } + } + switch(SORT_MODE(flags)) { + case LS_SORT_NAME: + qsort(fi, n_files, sizeof(*fi), + (int (*)(const void*, const void*))compare_filename); + break; + case LS_SORT_MTIME: + qsort(fi, n_files, sizeof(*fi), + (int (*)(const void*, const void*))compare_mtime); + break; + case LS_SORT_SIZE: + qsort(fi, n_files, sizeof(*fi), + (int (*)(const void*, const void*))compare_size); + break; + } + { + int max_inode = 0; + int max_bsize = 0; + int max_n_link = 0; + int max_user = 0; + int max_group = 0; + int max_size = 0; + int max_major = 0; + int max_minor = 0; + int max_date = 0; + for(i = 0; i < n_files; i++) { + if(fi[i].filename == NULL) + continue; + if(fi[i].inode > max_inode) + max_inode = fi[i].inode; + if(fi[i].bsize > max_bsize) + max_bsize = fi[i].bsize; + if(fi[i].n_link > max_n_link) + max_n_link = fi[i].n_link; + if(strlen(fi[i].user) > max_user) + max_user = strlen(fi[i].user); + if(strlen(fi[i].group) > max_group) + max_group = strlen(fi[i].group); + if(fi[i].major != NULL && strlen(fi[i].major) > max_major) + max_major = strlen(fi[i].major); + if(fi[i].minor != NULL && strlen(fi[i].minor) > max_minor) + max_minor = strlen(fi[i].minor); + if(fi[i].size != NULL && strlen(fi[i].size) > max_size) + max_size = strlen(fi[i].size); + if(strlen(fi[i].date) > max_date) + max_date = strlen(fi[i].date); + } + if(max_size < max_major + max_minor + 2) + max_size = max_major + max_minor + 2; + else if(max_size - max_minor - 2 > max_major) + max_major = max_size - max_minor - 2; + max_inode = log10(max_inode); + max_bsize = log10(max_bsize); + max_n_link = log10(max_n_link); + + if(flags & LS_SORT_REVERSE) + for(i = n_files - 1; i >= 0; i--) + print_file(out, + flags, + &fi[i], + max_inode, + max_bsize, + max_n_link, + max_user, + max_group, + max_size, + max_major, + max_minor, + max_date); + else + for(i = 0; i < n_files; i++) + print_file(out, + flags, + &fi[i], + max_inode, + max_bsize, + max_n_link, + max_user, + max_group, + max_size, + max_major, + max_minor, + max_date); + for(i = 0; i < n_files; i++) + free_fileinfo(&fi[i]); + free(fi); + } +} + +static void +free_files (char **files, int n) +{ + int i; + + for (i = 0; i < n; ++i) + free (files[i]); + free (files); +} + +static void +list_dir(FILE *out, const char *directory, int flags) +{ + DIR *d = opendir(directory); + struct dirent *ent; + char **files = NULL; + int n_files = 0; + + if(d == NULL) { + sec_fprintf2(out, "%s: %s\r\n", directory, strerror(errno)); + return; + } + while((ent = readdir(d)) != NULL) { + void *tmp; + + if(ent->d_name[0] == '.') { + if (flags & LS_IGNORE_DOT) + continue; + if (ent->d_name[1] == 0) /* Ignore . */ + continue; + if (ent->d_name[1] == '.' && ent->d_name[2] == 0) /* Ignore .. */ + continue; + } + tmp = realloc(files, (n_files + 1) * sizeof(*files)); + if (tmp == NULL) { + sec_fprintf2(out, "%s: out of memory\r\n", directory); + free_files (files, n_files); + closedir (d); + return; + } + files = tmp; + asprintf(&files[n_files], "%s/%s", directory, ent->d_name); + if (files[n_files] == NULL) { + sec_fprintf2(out, "%s: out of memory\r\n", directory); + free_files (files, n_files); + closedir (d); + return; + } + ++n_files; + } + closedir(d); + list_files(out, (const char**)files, n_files, flags | LS_DIRS); +} + +void +builtin_ls(FILE *out, const char *file) +{ + int flags = LS_SORT_NAME; + + if(*file == '-') { + const char *p; + for(p = file + 1; *p; p++) { + switch(*p) { + case 'a': + case 'A': + flags &= ~LS_IGNORE_DOT; + break; + case 'C': + break; + case 'd': + flags |= LS_DIRS; + break; + case 'f': + flags = (flags & ~LS_SORT_MODE); + break; + case 'i': + flags |= flags | LS_INODE; + break; + case 'l': + break; + case 't': + flags = (flags & ~LS_SORT_MODE) | LS_SORT_MTIME; + break; + case 's': + flags |= LS_SIZE; + break; + case 'S': + flags = (flags & ~LS_SORT_MODE) | LS_SORT_SIZE; + break; + case 'r': + flags |= LS_SORT_REVERSE; + break; + } + } + file = "."; + } + list_files(out, &file, 1, flags); + sec_fflush(out); +} diff --git a/crypto/heimdal/appl/ftp/ftpd/pathnames.h b/crypto/heimdal/appl/ftp/ftpd/pathnames.h new file mode 100644 index 0000000..ff2041b --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftpd/pathnames.h @@ -0,0 +1,58 @@ +/* + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)pathnames.h 8.1 (Berkeley) 6/4/93 + */ + +#ifdef HAVE_PATHS_H +#include <paths.h> +#endif + +#ifndef _PATH_DEVNULL +#define _PATH_DEVNULL "/dev/null" +#endif + +#ifndef _PATH_NOLOGIN +#define _PATH_NOLOGIN "/etc/nologin" +#endif + +#ifndef _PATH_BSHELL +#define _PATH_BSHELL "/bin/sh" +#endif + +#define _PATH_FTPUSERS "/etc/ftpusers" +#define _PATH_FTPCHROOT "/etc/ftpchroot" +#define _PATH_FTPWELCOME "/etc/ftpwelcome" +#define _PATH_FTPLOGINMESG "/etc/motd" + +#define _PATH_ISSUE "/etc/issue" +#define _PATH_ISSUE_NET "/etc/issue.net" diff --git a/crypto/heimdal/appl/ftp/ftpd/popen.c b/crypto/heimdal/appl/ftp/ftpd/popen.c new file mode 100644 index 0000000..5f36813 --- /dev/null +++ b/crypto/heimdal/appl/ftp/ftpd/popen.c @@ -0,0 +1,224 @@ +/* + * Copyright (c) 1988, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software written by Ken Arnold and + * published in UNIX Review, Vol. 6, No. 8. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +RCSID("$Id: popen.c,v 1.19 1999/09/16 20:38:45 assar Exp $"); +#endif + +#include <sys/types.h> +#ifdef TIME_WITH_SYS_TIME +#include <sys/time.h> +#include <time.h> +#elif defined(HAVE_SYS_TIME_H) +#include <sys/time.h> +#else +#include <time.h> +#endif +#ifdef HAVE_SYS_RESOURCE_H +#include <sys/resource.h> +#endif +#include <sys/wait.h> + +#include <errno.h> +#include <glob.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "extern.h" + +#include <roken.h> + +/* + * Special version of popen which avoids call to shell. This ensures + * no one may create a pipe to a hidden program as a side effect of a + * list or dir command. + */ +static int *pids; +static int fds; + +extern int dochroot; + +/* return path prepended with ~ftp if that file exists, otherwise + * return path unchanged + */ + +const char * +ftp_rooted(const char *path) +{ + static char home[MaxPathLen] = ""; + static char newpath[MaxPathLen]; + struct passwd *pwd; + + if(!home[0]) + if((pwd = k_getpwnam("ftp"))) + strlcpy(home, pwd->pw_dir, sizeof(home)); + snprintf(newpath, sizeof(newpath), "%s/%s", home, path); + if(access(newpath, X_OK)) + strlcpy(newpath, path, sizeof(newpath)); + return newpath; +} + + +FILE * +ftpd_popen(char *program, char *type, int do_stderr, int no_glob) +{ + char *cp; + FILE *iop; + int argc, gargc, pdes[2], pid; + char **pop, *argv[100], *gargv[1000]; + char *foo; + + if (strcmp(type, "r") && strcmp(type, "w")) + return (NULL); + + if (!pids) { + + /* This function is ugly and should be rewritten, in + * modern unices there is no such thing as a maximum + * filedescriptor. + */ + + fds = getdtablesize(); + pids = (int*)calloc(fds, sizeof(int)); + if(!pids) + return NULL; + } + if (pipe(pdes) < 0) + return (NULL); + + /* break up string into pieces */ + foo = NULL; + for (argc = 0, cp = program;; cp = NULL) { + if (!(argv[argc++] = strtok_r(cp, " \t\n", &foo))) + break; + } + + gargv[0] = (char*)ftp_rooted(argv[0]); + /* glob each piece */ + for (gargc = argc = 1; argv[argc]; argc++) { + glob_t gl; + int flags = GLOB_BRACE|GLOB_NOCHECK|GLOB_QUOTE|GLOB_TILDE; + + memset(&gl, 0, sizeof(gl)); + if (no_glob || glob(argv[argc], flags, NULL, &gl)) + gargv[gargc++] = strdup(argv[argc]); + else + for (pop = gl.gl_pathv; *pop; pop++) + gargv[gargc++] = strdup(*pop); + globfree(&gl); + } + gargv[gargc] = NULL; + + iop = NULL; + switch(pid = fork()) { + case -1: /* error */ + close(pdes[0]); + close(pdes[1]); + goto pfree; + /* NOTREACHED */ + case 0: /* child */ + if (*type == 'r') { + if (pdes[1] != STDOUT_FILENO) { + dup2(pdes[1], STDOUT_FILENO); + close(pdes[1]); + } + if(do_stderr) + dup2(STDOUT_FILENO, STDERR_FILENO); + close(pdes[0]); + } else { + if (pdes[0] != STDIN_FILENO) { + dup2(pdes[0], STDIN_FILENO); + close(pdes[0]); + } + close(pdes[1]); + } + execv(gargv[0], gargv); + gargv[0] = argv[0]; + execv(gargv[0], gargv); + _exit(1); + } + /* parent; assume fdopen can't fail... */ + if (*type == 'r') { + iop = fdopen(pdes[0], type); + close(pdes[1]); + } else { + iop = fdopen(pdes[1], type); + close(pdes[0]); + } + pids[fileno(iop)] = pid; + +pfree: + for (argc = 1; gargv[argc] != NULL; argc++) + free(gargv[argc]); + + + return (iop); +} + +int +ftpd_pclose(FILE *iop) +{ + int fdes, status; + pid_t pid; + sigset_t sigset, osigset; + + /* + * pclose returns -1 if stream is not associated with a + * `popened' command, or, if already `pclosed'. + */ + if (pids == 0 || pids[fdes = fileno(iop)] == 0) + return (-1); + fclose(iop); + sigemptyset(&sigset); + sigaddset(&sigset, SIGINT); + sigaddset(&sigset, SIGQUIT); + sigaddset(&sigset, SIGHUP); + sigprocmask(SIG_BLOCK, &sigset, &osigset); + while ((pid = waitpid(pids[fdes], &status, 0)) < 0 && errno == EINTR) + continue; + sigprocmask(SIG_SETMASK, &osigset, NULL); + pids[fdes] = 0; + if (pid < 0) + return (pid); + if (WIFEXITED(status)) + return (WEXITSTATUS(status)); + return (1); +} |
