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Diffstat (limited to 'contrib/lukemftpd/src/extern.h')
| -rw-r--r-- | contrib/lukemftpd/src/extern.h | 372 |
1 files changed, 372 insertions, 0 deletions
diff --git a/contrib/lukemftpd/src/extern.h b/contrib/lukemftpd/src/extern.h new file mode 100644 index 0000000..15cf939 --- /dev/null +++ b/contrib/lukemftpd/src/extern.h @@ -0,0 +1,372 @@ +/* $NetBSD: extern.h,v 1.41 2001/04/25 01:46:25 lukem Exp $ */ + +/*- + * 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 + */ + +/*- + * Copyright (c) 1997-2001 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Luke Mewburn. + * + * 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 NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. + */ + +/* + * Copyright (C) 1997 and 1998 WIDE Project. + * 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 project 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 PROJECT 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 PROJECT 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 NO_LONG_LONG +# define LLF "%ld" +# define LLFP(x) "%" x "ld" +# define LLT long +# define ULLF "%lu" +# define ULLFP(x) "%" x "lu" +# define ULLT unsigned long +# define STRTOLL(x,y,z) strtol(x,y,z) +#else +#if HAVE_PRINTF_QD +# define LLF "%qd" +# define LLFP(x) "%" x "qd" +# define LLT long long +# define ULLF "%qu" +# define ULLFP(x) "%" x "qu" +# define ULLT unsigned long long +# define STRTOLL(x,y,z) strtoll(x,y,z) +#else +# define LLF "%lld" +# define LLFP(x) "%" x "lld" +# define LLT long long +# define ULLF "%llu" +# define ULLFP(x) "%" x "llu" +# define ULLT unsigned long long +# define STRTOLL(x,y,z) strtoll(x,y,z) +#endif +#endif + +#define FTP_BUFLEN 512 + +void abor(void); +void blkfree(char **); +void closedataconn(FILE *); +char *conffilename(const char *); +char **copyblk(char **); +void count_users(void); +void cprintf(FILE *, const char *, ...) + ; +void cwd(const char *); +FILE *dataconn(const char *, off_t, const char *); +void delete(const char *); +int display_file(const char *, int); +char **do_conversion(const char *); +void dologout(int); +void fatal(const char *); +void feat(void); +void format_path(char *, const char *); +int ftpd_pclose(FILE *); +FILE *ftpd_popen(char *[], const char *, int); +char *getline(char *, int, FILE *); +void init_curclass(void); +void logxfer(const char *, off_t, const char *, const char *, + const struct timeval *, const char *); +#if 0 +void logwtmp(const char *, const char *, const char *); +#endif +struct tab *lookup(struct tab *, const char *); +void makedir(const char *); +void mlsd(const char *); +void mlst(const char *); +void opts(const char *); +void parse_conf(const char *); +void pass(const char *); +void passive(void); +int lpsvproto2af(int); +int af2lpsvproto(int); +int epsvproto2af(int); +int af2epsvproto(int); +void long_passive(char *, int); +int extended_port(const char *); +void epsv_protounsupp(const char *); +void perror_reply(int, const char *); +void pwd(void); +void removedir(const char *); +void renamecmd(const char *, const char *); +char *renamefrom(const char *); +void reply(int, const char *, ...) + ; +void retrieve(char *[], const char *); +void send_file_list(const char *); +void show_chdir_messages(int); +void sizecmd(const char *); +void statcmd(void); +void statfilecmd(const char *); +void statxfer(void); +void store(const char *, const char *, int); +LLT strsuftoll(const char *); +void user(const char *); +char *xstrdup(const char *); +void yyerror(char *); + +#include <netinet/in.h> + +#ifdef BSD4_4 +# define HAVE_SETPROCTITLE 1 +# define HAVE_SOCKADDR_SA_LEN 1 +#endif + +struct sockinet { + union sockunion { + struct sockaddr_in su_sin; +#ifdef INET6 + struct sockaddr_in6 su_sin6; +#endif + } si_su; +#if !HAVE_SOCKADDR_SA_LEN + int si_len; +#endif +}; + +#if !HAVE_SOCKADDR_SA_LEN +# define su_len si_len +#else +# define su_len si_su.su_sin.sin_len +#endif +#define su_addr si_su.su_sin.sin_addr +#define su_family si_su.su_sin.sin_family +#define su_port si_su.su_sin.sin_port +#ifdef INET6 +# define su_6addr si_su.su_sin6.sin6_addr +# define su_scope_id si_su.su_sin6.sin6_scope_id +#endif + +struct tab { + char *name; + short token; + short state; + short flags; /* 1 if command implemented, 2 if has options, + 4 if can occur OOB */ + char *help; + char *options; +}; + +struct ftpconv { + struct ftpconv *next; + char *suffix; /* Suffix of requested name */ + char *types; /* Valid file types */ + char *disable; /* File to disable conversions */ + char *command; /* Command to do the conversion */ +}; + +typedef enum { + CLASS_GUEST, + CLASS_CHROOT, + CLASS_REAL +} class_ft; + +typedef enum { + FLAG_checkportcmd = 1<<0, /* Check port commands */ + FLAG_modify = 1<<1, /* Allow CHMOD, DELE, MKD, RMD, RNFR, + UMASK */ + FLAG_passive = 1<<2, /* Allow PASV mode */ + FLAG_sanenames = 1<<3, /* Restrict names of uploaded files */ + FLAG_upload = 1<<4 /* As per modify, but also allow + APPE, STOR, STOU */ +} classflag_t; + +#define CURCLASS_FLAGS_SET(x) (curclass.flags |= (FLAG_ ## x)) +#define CURCLASS_FLAGS_CLR(x) (curclass.flags &= ~(FLAG_ ## x)) +#define CURCLASS_FLAGS_ISSET(x) (curclass.flags & (FLAG_ ## x)) + +struct ftpclass { + struct sockinet advertise; /* PASV address to advertise as */ + char *chroot; /* Directory to chroot(2) to at login */ + char *classname; /* Current class */ + struct ftpconv *conversions; /* List of conversions */ + char *display; /* File to display upon chdir */ + char *homedir; /* Directory to chdir(2) to at login */ + classflag_t flags; /* Flags; see classflag_t above */ + int limit; /* Max connections (-1 = unlimited) */ + char *limitfile; /* File to display if limit reached */ + LLT maxfilesize; /* Maximum file size of uploads */ + LLT maxrateget; /* Maximum get transfer rate throttle */ + LLT maxrateput; /* Maximum put transfer rate throttle */ + unsigned int maxtimeout; /* Maximum permitted timeout */ + char *motd; /* MotD file to display after login */ + char *notify; /* Files to notify about upon chdir */ + int portmin; /* Minumum port for passive mode */ + int portmax; /* Maximum port for passive mode */ + LLT rateget; /* Get (RETR) transfer rate throttle */ + LLT rateput; /* Put (STOR) transfer rate throttle */ + unsigned int timeout; /* Default timeout */ + class_ft type; /* Class type */ + mode_t umask; /* Umask to use */ +}; + +extern void ftp_loop(void) __attribute__ ((noreturn)); +extern void ftp_handle_line(char *); + +#ifndef GLOBAL +#define GLOBAL extern +#endif + + +GLOBAL struct sockinet ctrl_addr; +GLOBAL struct sockinet data_dest; +GLOBAL struct sockinet data_source; +GLOBAL struct sockinet his_addr; +GLOBAL struct sockinet pasv_addr; +GLOBAL int connections; +GLOBAL struct ftpclass curclass; +GLOBAL int debug; +GLOBAL jmp_buf errcatch; +GLOBAL char *emailaddr; +GLOBAL int form; +GLOBAL int gidcount; /* number of entries in gidlist[] */ +GLOBAL gid_t gidlist[NGROUPS_MAX]; +GLOBAL int hasyyerrored; +GLOBAL char hostname[MAXHOSTNAMELEN+1]; +GLOBAL char homedir[MAXPATHLEN]; +#ifdef KERBEROS5 +GLOBAL krb5_context kcontext; +#endif +GLOBAL int logged_in; +GLOBAL int logging; +GLOBAL int pdata; /* for passive mode */ +#if HAVE_SETPROCTITLE +GLOBAL char proctitle[BUFSIZ]; /* initial part of title */ +#endif +GLOBAL struct passwd *pw; +GLOBAL int quietmessages; +GLOBAL char remotehost[MAXHOSTNAMELEN+1]; +GLOBAL off_t restart_point; +GLOBAL char tmpline[FTP_BUFLEN]; +GLOBAL sig_atomic_t transflag; +GLOBAL int type; +GLOBAL int usedefault; /* for data transfers */ +GLOBAL const char *version; +GLOBAL int is_oob; + + /* total file data bytes */ +GLOBAL off_t total_data_in, total_data_out, total_data; + /* total number of data files */ +GLOBAL off_t total_files_in, total_files_out, total_files; + /* total bytes */ +GLOBAL off_t total_bytes_in, total_bytes_out, total_bytes; + /* total number of xfers */ +GLOBAL off_t total_xfers_in, total_xfers_out, total_xfers; + +extern struct tab cmdtab[]; + +#define INTERNAL_LS "/bin/ls" + + +#define CMD_IMPLEMENTED(x) ((x)->flags != 0) +#define CMD_HAS_OPTIONS(x) ((x)->flags & 0x2) +#define CMD_OOB(x) ((x)->flags & 0x4) + +#define CPUTC(c, f) do { \ + putc(c, f); total_bytes++; total_bytes_out++; \ + } while (0); + +#define CURCLASSTYPE curclass.type == CLASS_GUEST ? "GUEST" : \ + curclass.type == CLASS_CHROOT ? "CHROOT" : \ + curclass.type == CLASS_REAL ? "REAL" : \ + "<unknown>" + +#define ISDOTDIR(x) (x[0] == '.' && x[1] == '\0') +#define ISDOTDOTDIR(x) (x[0] == '.' && x[1] == '.' && x[2] == '\0') + +#define EMPTYSTR(p) ((p) == NULL || *(p) == '\0') +#define NEXTWORD(P, W) do { \ + (W) = strsep(&(P), " \t"); \ + } while ((W) != NULL && *(W) == '\0') +#define PLURAL(s) ((s) == 1 ? "" : "s") +#define REASSIGN(X,Y) do { if (X) free(X); (X)=(Y); } while (/*CONSTCOND*/0) + +#ifndef IPPORT_ANONMAX +# define IPPORT_ANONMAX 65535 +#endif |
