diff options
Diffstat (limited to 'crypto/heimdal/lib/auth/pam')
| -rw-r--r-- | crypto/heimdal/lib/auth/pam/Makefile.am | 3 | ||||
| -rw-r--r-- | crypto/heimdal/lib/auth/pam/Makefile.in | 491 | ||||
| -rw-r--r-- | crypto/heimdal/lib/auth/pam/pam.c | 243 | ||||
| -rw-r--r-- | crypto/heimdal/lib/auth/pam/pam.conf.add | 76 |
4 files changed, 813 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/auth/pam/Makefile.am b/crypto/heimdal/lib/auth/pam/Makefile.am new file mode 100644 index 0000000..abde2d9 --- /dev/null +++ b/crypto/heimdal/lib/auth/pam/Makefile.am @@ -0,0 +1,3 @@ +# $Id: Makefile.am,v 1.2 1999/04/01 14:57:04 joda Exp $ + +include $(top_srcdir)/Makefile.am.common diff --git a/crypto/heimdal/lib/auth/pam/Makefile.in b/crypto/heimdal/lib/auth/pam/Makefile.in new file mode 100644 index 0000000..37f8d22 --- /dev/null +++ b/crypto/heimdal/lib/auth/pam/Makefile.in @@ -0,0 +1,491 @@ +# 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 1.2 1999/04/01 14:57:04 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 = 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+ @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 + +# 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/lib/auth/pam/pam.c b/crypto/heimdal/lib/auth/pam/pam.c new file mode 100644 index 0000000..d919bf8 --- /dev/null +++ b/crypto/heimdal/lib/auth/pam/pam.c @@ -0,0 +1,243 @@ +/* + * 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. + */ + +/* This code is extremely ugly, and would probably be better off + beeing completely rewritten */ + + +#ifdef HAVE_CONFIG_H +#include<config.h> +RCSID("$Id: pam.c,v 1.22 1999/12/02 16:58:37 joda Exp $"); +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <pwd.h> +#include <unistd.h> +#include <sys/types.h> + +#define PAM_SM_AUTH +#define PAM_SM_SESSION +#include <security/pam_appl.h> +#include <security/pam_modules.h> + +#include <netinet/in.h> +#include <krb.h> +#include <kafs.h> + +static int +cleanup(pam_handle_t *pamh, void *data, int error_code) +{ + if(error_code != PAM_SUCCESS) + dest_tkt(); + free(data); + return PAM_SUCCESS; +} + +static int +doit(pam_handle_t *pamh, char *name, char *inst, char *pwd, char *tkt) +{ + char realm[REALM_SZ]; + int ret; + + pam_set_data(pamh, "KRBTKFILE", strdup(tkt), cleanup); + krb_set_tkt_string(tkt); + + krb_get_lrealm(realm, 1); + ret = krb_verify_user(name, inst, realm, pwd, KRB_VERIFY_SECURE, NULL); + memset(pwd, 0, strlen(pwd)); + switch(ret){ + case KSUCCESS: + return PAM_SUCCESS; + case KDC_PR_UNKNOWN: + return PAM_USER_UNKNOWN; + case SKDC_CANT: + case SKDC_RETRY: + case RD_AP_TIME: + return PAM_AUTHINFO_UNAVAIL; + default: + return PAM_AUTH_ERR; + } +} + +static int +auth_login(pam_handle_t *pamh, int flags, char *user, struct pam_conv *conv) +{ + int ret; + struct pam_message msg, *pmsg; + struct pam_response *resp; + char prompt[128]; + + pmsg = &msg; + msg.msg_style = PAM_PROMPT_ECHO_OFF; + snprintf(prompt, sizeof(prompt), "%s's Password: ", user); + msg.msg = prompt; + + ret = conv->conv(1, (const struct pam_message**)&pmsg, + &resp, conv->appdata_ptr); + if(ret != PAM_SUCCESS) + return ret; + + { + char tkt[1024]; + struct passwd *pw = getpwnam(user); + + if(pw){ + snprintf(tkt, sizeof(tkt), + "%s%u", TKT_ROOT, (unsigned)pw->pw_uid); + ret = doit(pamh, user, "", resp->resp, tkt); + if(ret == PAM_SUCCESS) + chown(tkt, pw->pw_uid, pw->pw_gid); + }else + ret = PAM_USER_UNKNOWN; + memset(resp->resp, 0, strlen(resp->resp)); + free(resp->resp); + free(resp); + } + return ret; +} + +static int +auth_su(pam_handle_t *pamh, int flags, char *user, struct pam_conv *conv) +{ + int ret; + struct passwd *pw; + struct pam_message msg, *pmsg; + struct pam_response *resp; + char prompt[128]; + krb_principal pr; + + pr.realm[0] = 0; + ret = pam_get_user(pamh, &user, "login: "); + if(ret != PAM_SUCCESS) + return ret; + + pw = getpwuid(getuid()); + if(strcmp(user, "root") == 0){ + strlcpy(pr.name, pw->pw_name, sizeof(pr.name)); + strlcpy(pr.instance, "root", sizeof(pr.instance)); + }else{ + strlcpy(pr.name, user, sizeof(pr.name)); + pr.instance[0] = 0; + } + pmsg = &msg; + msg.msg_style = PAM_PROMPT_ECHO_OFF; + snprintf(prompt, sizeof(prompt), "%s's Password: ", krb_unparse_name(&pr)); + msg.msg = prompt; + + ret = conv->conv(1, (const struct pam_message**)&pmsg, + &resp, conv->appdata_ptr); + if(ret != PAM_SUCCESS) + return ret; + + { + char tkt[1024]; + + snprintf(tkt, sizeof(tkt),"%s_%s_to_%s", + TKT_ROOT, pw->pw_name, user); + ret = doit(pamh, pr.name, pr.instance, resp->resp, tkt); + if(ret == PAM_SUCCESS) + chown(tkt, pw->pw_uid, pw->pw_gid); + memset(resp->resp, 0, strlen(resp->resp)); + free(resp->resp); + free(resp); + } + return ret; +} + +int +pam_sm_authenticate(pam_handle_t *pamh, int flags, int argc, const char **argv) +{ + char *user; + int ret; + struct pam_conv *conv; + ret = pam_get_user(pamh, &user, "login: "); + if(ret != PAM_SUCCESS) + return ret; + + ret = pam_get_item(pamh, PAM_CONV, (void*)&conv); + if(ret != PAM_SUCCESS) + return ret; + + + if(getuid() != geteuid()) + return auth_su(pamh, flags, user, conv); + else + return auth_login(pamh, flags, user, conv); +} + +int +pam_sm_setcred(pam_handle_t *pamh, int flags, int argc, const char **argv) +{ + return PAM_SUCCESS; +} + + +int +pam_sm_open_session(pam_handle_t *pamh, int flags, int argc, const char **argv) +{ + char *tkt, *var; + void *user; + const char *homedir = NULL; + + if(pam_get_item (pamh, PAM_USER, &user) == PAM_SUCCESS) { + struct passwd *pwd; + + pwd = getpwnam ((char *)user); + if (pwd != NULL) + homedir = pwd->pw_dir; + } + + pam_get_data(pamh, "KRBTKFILE", (const void**)&tkt); + var = malloc(strlen("KRBTKFILE=") + strlen(tkt) + 1); + strcpy(var, "KRBTKFILE="); + strcat(var, tkt); + putenv(var); + pam_putenv(pamh, var); + if(k_hasafs()){ + k_setpag(); + krb_afslog_home(0, 0, homedir); + } + return PAM_SUCCESS; +} + + +int +pam_sm_close_session(pam_handle_t *pamh, int flags, int argc, const char **argv) +{ + dest_tkt(); + if(k_hasafs()) + k_unlog(); + return PAM_SUCCESS; +} diff --git a/crypto/heimdal/lib/auth/pam/pam.conf.add b/crypto/heimdal/lib/auth/pam/pam.conf.add new file mode 100644 index 0000000..42497d2 --- /dev/null +++ b/crypto/heimdal/lib/auth/pam/pam.conf.add @@ -0,0 +1,76 @@ +To enable PAM in dtlogin and /bin/login under SunOS 5.6 apply this patch: + +--- /etc/pam.conf.DIST Mon Jul 20 15:37:46 1998 ++++ /etc/pam.conf Tue Nov 30 18:47:22 1999 +@@ -4,12 +4,14 @@ + # + # Authentication management + # ++login auth sufficient /usr/athena/lib/pam_krb4.so + login auth required /usr/lib/security/pam_unix.so.1 + login auth required /usr/lib/security/pam_dial_auth.so.1 + # + rlogin auth sufficient /usr/lib/security/pam_rhosts_auth.so.1 + rlogin auth required /usr/lib/security/pam_unix.so.1 + # ++dtlogin auth sufficient /usr/athena/lib/pam_krb4.so + dtlogin auth required /usr/lib/security/pam_unix.so.1 + # + rsh auth required /usr/lib/security/pam_rhosts_auth.so.1 +@@ -24,6 +26,8 @@ + # + # Session management + # ++dtlogin session required /usr/athena/lib/pam_krb4.so ++login session required /usr/athena/lib/pam_krb4.so + other session required /usr/lib/security/pam_unix.so.1 + # + # Password management +--------------------------------------------------------------------------- +To enable PAM in /bin/login and xdm under Red Hat 6.1 apply these patches: + +--- /etc/pam.d/login~ Thu Jul 8 00:14:02 1999 ++++ /etc/pam.d/login Mon Aug 30 14:33:12 1999 +@@ -1,9 +1,12 @@ + #%PAM-1.0 ++# Updated to work with kerberos ++auth sufficient /lib/security/pam_krb4.so + auth required /lib/security/pam_securetty.so + auth required /lib/security/pam_pwdb.so shadow nullok + auth required /lib/security/pam_nologin.so + account required /lib/security/pam_pwdb.so + password required /lib/security/pam_cracklib.so + password required /lib/security/pam_pwdb.so nullok use_authtok shadow ++session required /lib/security/pam_krb4.so + session required /lib/security/pam_pwdb.so + session optional /lib/security/pam_console.so +--- /etc/pam.d/xdm~ Mon Jun 14 17:39:05 1999 ++++ /etc/pam.d/xdm Mon Aug 30 14:54:51 1999 +@@ -1,8 +1,10 @@ + #%PAM-1.0 ++auth sufficient /lib/security/pam_krb4.so + auth required /lib/security/pam_pwdb.so shadow nullok + auth required /lib/security/pam_nologin.so + account required /lib/security/pam_pwdb.so + password required /lib/security/pam_cracklib.so + password required /lib/security/pam_pwdb.so shadow nullok use_authtok ++session required /lib/security/pam_krb4.so + session required /lib/security/pam_pwdb.so + session optional /lib/security/pam_console.so +-------------------------------------------------------------------------- + +This stuff may work under some other system. + +# To get this to work, you will have to add entries to /etc/pam.conf +# +# To make login kerberos-aware, you might change pam.conf to look +# like: + +# login authorization +login auth sufficient /lib/security/pam_krb4.so +login auth required /lib/security/pam_securetty.so +login auth required /lib/security/pam_unix_auth.so +login account required /lib/security/pam_unix_acct.so +login password required /lib/security/pam_unix_passwd.so +login session required /lib/security/pam_krb4.so +login session required /lib/security/pam_unix_session.so |
