diff options
Diffstat (limited to 'source/n/krb5/patches/krb5-1.12.1-pam.patch')
| -rw-r--r-- | source/n/krb5/patches/krb5-1.12.1-pam.patch | 770 |
1 files changed, 0 insertions, 770 deletions
diff --git a/source/n/krb5/patches/krb5-1.12.1-pam.patch b/source/n/krb5/patches/krb5-1.12.1-pam.patch deleted file mode 100644 index 17d29b0d2..000000000 --- a/source/n/krb5/patches/krb5-1.12.1-pam.patch +++ /dev/null @@ -1,770 +0,0 @@ -From 977d51ce9a5bb37255e87db37353f0d70d6b293d Mon Sep 17 00:00:00 2001 -From: Robbie Harwood <rharwood@redhat.com> -Date: Tue, 23 Aug 2016 16:29:58 -0400 -Subject: [PATCH] krb5-1.12.1-pam.patch - -Modify ksu so that it performs account and session management on behalf of -the target user account, mimicking the action of regular su. The default -service name is "ksu", because on Fedora at least the configuration used -is determined by whether or not a login shell is being opened, and so -this may need to vary, too. At run-time, ksu's behavior can be reset to -the earlier, non-PAM behavior by setting "use_pam" to false in the [ksu] -section of /etc/krb5.conf. - -When enabled, ksu gains a dependency on libpam. - -Originally RT#5939, though it's changed since then to perform the account -and session management before dropping privileges, and to apply on top of -changes we're proposing for how it handles cache collections. ---- - src/aclocal.m4 | 67 ++++++++ - src/clients/ksu/Makefile.in | 8 +- - src/clients/ksu/main.c | 88 +++++++++- - src/clients/ksu/pam.c | 389 ++++++++++++++++++++++++++++++++++++++++++++ - src/clients/ksu/pam.h | 57 +++++++ - src/configure.in | 2 + - 6 files changed, 608 insertions(+), 3 deletions(-) - create mode 100644 src/clients/ksu/pam.c - create mode 100644 src/clients/ksu/pam.h - -diff --git a/src/aclocal.m4 b/src/aclocal.m4 -index 9c46da4..508e5fe 100644 ---- a/src/aclocal.m4 -+++ b/src/aclocal.m4 -@@ -1675,3 +1675,70 @@ AC_DEFUN(KRB5_AC_PERSISTENT_KEYRING,[ - ])) - ])dnl - dnl -+dnl -+dnl Use PAM instead of local crypt() compare for checking local passwords, -+dnl and perform PAM account, session management, and password-changing where -+dnl appropriate. -+dnl -+AC_DEFUN(KRB5_WITH_PAM,[ -+AC_ARG_WITH(pam,[AC_HELP_STRING(--with-pam,[compile with PAM support])], -+ withpam="$withval",withpam=auto) -+AC_ARG_WITH(pam-ksu-service,[AC_HELP_STRING(--with-ksu-service,[PAM service name for ksu ["ksu"]])], -+ withksupamservice="$withval",withksupamservice=ksu) -+old_LIBS="$LIBS" -+if test "$withpam" != no ; then -+ AC_MSG_RESULT([checking for PAM...]) -+ PAM_LIBS= -+ -+ AC_CHECK_HEADERS(security/pam_appl.h) -+ if test "x$ac_cv_header_security_pam_appl_h" != xyes ; then -+ if test "$withpam" = auto ; then -+ AC_MSG_RESULT([Unable to locate security/pam_appl.h.]) -+ withpam=no -+ else -+ AC_MSG_ERROR([Unable to locate security/pam_appl.h.]) -+ fi -+ fi -+ -+ LIBS= -+ unset ac_cv_func_pam_start -+ AC_CHECK_FUNCS(putenv pam_start) -+ if test "x$ac_cv_func_pam_start" = xno ; then -+ unset ac_cv_func_pam_start -+ AC_CHECK_LIB(dl,dlopen) -+ AC_CHECK_FUNCS(pam_start) -+ if test "x$ac_cv_func_pam_start" = xno ; then -+ AC_CHECK_LIB(pam,pam_start) -+ unset ac_cv_func_pam_start -+ unset ac_cv_func_pam_getenvlist -+ AC_CHECK_FUNCS(pam_start pam_getenvlist) -+ if test "x$ac_cv_func_pam_start" = xyes ; then -+ PAM_LIBS="$LIBS" -+ else -+ if test "$withpam" = auto ; then -+ AC_MSG_RESULT([Unable to locate libpam.]) -+ withpam=no -+ else -+ AC_MSG_ERROR([Unable to locate libpam.]) -+ fi -+ fi -+ fi -+ fi -+ if test "$withpam" != no ; then -+ AC_MSG_NOTICE([building with PAM support]) -+ AC_DEFINE(USE_PAM,1,[Define if Kerberos-aware tools should support PAM]) -+ AC_DEFINE_UNQUOTED(KSU_PAM_SERVICE,"$withksupamservice", -+ [Define to the name of the PAM service name to be used by ksu.]) -+ PAM_LIBS="$LIBS" -+ NON_PAM_MAN=".\\\" " -+ PAM_MAN= -+ else -+ PAM_MAN=".\\\" " -+ NON_PAM_MAN= -+ fi -+fi -+LIBS="$old_LIBS" -+AC_SUBST(PAM_LIBS) -+AC_SUBST(PAM_MAN) -+AC_SUBST(NON_PAM_MAN) -+])dnl -diff --git a/src/clients/ksu/Makefile.in b/src/clients/ksu/Makefile.in -index b2fcbf2..5755bb5 100644 ---- a/src/clients/ksu/Makefile.in -+++ b/src/clients/ksu/Makefile.in -@@ -3,12 +3,14 @@ BUILDTOP=$(REL)..$(S).. - DEFINES = -DGET_TGT_VIA_PASSWD -DPRINC_LOOK_AHEAD -DCMD_PATH='"/bin /local/bin"' - - KSU_LIBS=@KSU_LIBS@ -+PAM_LIBS=@PAM_LIBS@ - - SRCS = \ - $(srcdir)/krb_auth_su.c \ - $(srcdir)/ccache.c \ - $(srcdir)/authorization.c \ - $(srcdir)/main.c \ -+ $(srcdir)/pam.c \ - $(srcdir)/heuristic.c \ - $(srcdir)/xmalloc.c \ - $(srcdir)/setenv.c -@@ -17,13 +19,17 @@ OBJS = \ - ccache.o \ - authorization.o \ - main.o \ -+ pam.o \ - heuristic.o \ - xmalloc.o @SETENVOBJ@ - - all: ksu - - ksu: $(OBJS) $(KRB5_BASE_DEPLIBS) -- $(CC_LINK) -o $@ $(OBJS) $(KRB5_BASE_LIBS) $(KSU_LIBS) -+ $(CC_LINK) -o $@ $(OBJS) $(KRB5_BASE_LIBS) $(KSU_LIBS) $(PAM_LIBS) -+ -+pam.o: pam.c -+ $(CC) $(ALL_CFLAGS) -c $< - - clean: - $(RM) ksu -diff --git a/src/clients/ksu/main.c b/src/clients/ksu/main.c -index 28342c2..cab0c18 100644 ---- a/src/clients/ksu/main.c -+++ b/src/clients/ksu/main.c -@@ -26,6 +26,7 @@ - * KSU was writen by: Ari Medvinsky, ari@isi.edu - */ - -+#include "autoconf.h" - #include "ksu.h" - #include "adm_proto.h" - #include <sys/types.h> -@@ -33,6 +34,10 @@ - #include <signal.h> - #include <grp.h> - -+#ifdef USE_PAM -+#include "pam.h" -+#endif -+ - /* globals */ - char * prog_name; - int auth_debug =0; -@@ -40,6 +45,7 @@ char k5login_path[MAXPATHLEN]; - char k5users_path[MAXPATHLEN]; - char * gb_err = NULL; - int quiet = 0; -+int force_fork = 0; - /***********/ - - #define KS_TEMPORARY_CACHE "MEMORY:_ksu" -@@ -515,6 +521,23 @@ main (argc, argv) - prog_name,target_user,client_name, - source_user,ontty()); - -+#ifdef USE_PAM -+ if (appl_pam_enabled(ksu_context, "ksu")) { -+ if (appl_pam_acct_mgmt(KSU_PAM_SERVICE, 1, target_user, NULL, -+ NULL, source_user, -+ ttyname(STDERR_FILENO)) != 0) { -+ fprintf(stderr, "Access denied for %s.\n", target_user); -+ exit(1); -+ } -+ if (appl_pam_requires_chauthtok()) { -+ fprintf(stderr, "Password change required for %s.\n", -+ target_user); -+ exit(1); -+ } -+ force_fork++; -+ } -+#endif -+ - /* Run authorization as target.*/ - if (krb5_seteuid(target_uid)) { - com_err(prog_name, errno, _("while switching to target for " -@@ -575,6 +598,24 @@ main (argc, argv) - - exit(1); - } -+#ifdef USE_PAM -+ } else { -+ /* we always do PAM account management, even for root */ -+ if (appl_pam_enabled(ksu_context, "ksu")) { -+ if (appl_pam_acct_mgmt(KSU_PAM_SERVICE, 1, target_user, NULL, -+ NULL, source_user, -+ ttyname(STDERR_FILENO)) != 0) { -+ fprintf(stderr, "Access denied for %s.\n", target_user); -+ exit(1); -+ } -+ if (appl_pam_requires_chauthtok()) { -+ fprintf(stderr, "Password change required for %s.\n", -+ target_user); -+ exit(1); -+ } -+ force_fork++; -+ } -+#endif - } - - if( some_rest_copy){ -@@ -632,6 +673,30 @@ main (argc, argv) - exit(1); - } - -+#ifdef USE_PAM -+ if (appl_pam_enabled(ksu_context, "ksu")) { -+ if (appl_pam_session_open() != 0) { -+ fprintf(stderr, "Error opening session for %s.\n", target_user); -+ exit(1); -+ } -+#ifdef DEBUG -+ if (auth_debug){ -+ printf(" Opened PAM session.\n"); -+ } -+#endif -+ if (appl_pam_cred_init()) { -+ fprintf(stderr, "Error initializing credentials for %s.\n", -+ target_user); -+ exit(1); -+ } -+#ifdef DEBUG -+ if (auth_debug){ -+ printf(" Initialized PAM credentials.\n"); -+ } -+#endif -+ } -+#endif -+ - /* set permissions */ - if (setgid(target_pwd->pw_gid) < 0) { - perror("ksu: setgid"); -@@ -729,7 +794,7 @@ main (argc, argv) - fprintf(stderr, "program to be execed %s\n",params[0]); - } - -- if( keep_target_cache ) { -+ if( keep_target_cache && !force_fork ) { - execv(params[0], params); - com_err(prog_name, errno, _("while trying to execv %s"), params[0]); - sweep_up(ksu_context, cc_target); -@@ -759,16 +824,35 @@ main (argc, argv) - if (ret_pid == -1) { - com_err(prog_name, errno, _("while calling waitpid")); - } -- sweep_up(ksu_context, cc_target); -+ if( !keep_target_cache ) { -+ sweep_up(ksu_context, cc_target); -+ } - exit (statusp); - case -1: - com_err(prog_name, errno, _("while trying to fork.")); - sweep_up(ksu_context, cc_target); - exit (1); - case 0: -+#ifdef USE_PAM -+ if (appl_pam_enabled(ksu_context, "ksu")) { -+ if (appl_pam_setenv() != 0) { -+ fprintf(stderr, "Error setting up environment for %s.\n", -+ target_user); -+ exit (1); -+ } -+#ifdef DEBUG -+ if (auth_debug){ -+ printf(" Set up PAM environment.\n"); -+ } -+#endif -+ } -+#endif - execv(params[0], params); - com_err(prog_name, errno, _("while trying to execv %s"), - params[0]); -+ if( keep_target_cache ) { -+ sweep_up(ksu_context, cc_target); -+ } - exit (1); - } - } -diff --git a/src/clients/ksu/pam.c b/src/clients/ksu/pam.c -new file mode 100644 -index 0000000..cbfe487 ---- /dev/null -+++ b/src/clients/ksu/pam.c -@@ -0,0 +1,389 @@ -+/* -+ * src/clients/ksu/pam.c -+ * -+ * Copyright 2007,2009,2010 Red Hat, Inc. -+ * -+ * All Rights Reserved. -+ * -+ * Redistribution and use in source and binary forms, with or without -+ * modification, are permitted provided that the following conditions are met: -+ * -+ * Redistributions of source code must retain the above copyright notice, this -+ * list of conditions and the following disclaimer. -+ * -+ * 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. -+ * -+ * Neither the name of Red Hat, Inc. 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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. -+ * -+ * Convenience wrappers for using PAM. -+ */ -+ -+#include "autoconf.h" -+#ifdef USE_PAM -+#include <sys/types.h> -+#include <stdio.h> -+#include <stdlib.h> -+#include <string.h> -+#include <unistd.h> -+#include "k5-int.h" -+#include "pam.h" -+ -+#ifndef MAXPWSIZE -+#define MAXPWSIZE 128 -+#endif -+ -+static int appl_pam_started; -+static pid_t appl_pam_starter = -1; -+static int appl_pam_session_opened; -+static int appl_pam_creds_initialized; -+static int appl_pam_pwchange_required; -+static pam_handle_t *appl_pamh; -+static struct pam_conv appl_pam_conv; -+static char *appl_pam_user; -+struct appl_pam_non_interactive_args { -+ const char *user; -+ const char *password; -+}; -+ -+int -+appl_pam_enabled(krb5_context context, const char *section) -+{ -+ int enabled = 1; -+ if ((context != NULL) && (context->profile != NULL)) { -+ if (profile_get_boolean(context->profile, -+ section, -+ USE_PAM_CONFIGURATION_KEYWORD, -+ NULL, -+ enabled, &enabled) != 0) { -+ enabled = 1; -+ } -+ } -+ return enabled; -+} -+ -+void -+appl_pam_cleanup(void) -+{ -+ if (getpid() != appl_pam_starter) { -+ return; -+ } -+#ifdef DEBUG -+ printf("Called to clean up PAM.\n"); -+#endif -+ if (appl_pam_creds_initialized) { -+#ifdef DEBUG -+ printf("Deleting PAM credentials.\n"); -+#endif -+ pam_setcred(appl_pamh, PAM_DELETE_CRED); -+ appl_pam_creds_initialized = 0; -+ } -+ if (appl_pam_session_opened) { -+#ifdef DEBUG -+ printf("Closing PAM session.\n"); -+#endif -+ pam_close_session(appl_pamh, 0); -+ appl_pam_session_opened = 0; -+ } -+ appl_pam_pwchange_required = 0; -+ if (appl_pam_started) { -+#ifdef DEBUG -+ printf("Shutting down PAM.\n"); -+#endif -+ pam_end(appl_pamh, 0); -+ appl_pam_started = 0; -+ appl_pam_starter = -1; -+ free(appl_pam_user); -+ appl_pam_user = NULL; -+ } -+} -+static int -+appl_pam_interactive_converse(int num_msg, const struct pam_message **msg, -+ struct pam_response **presp, void *appdata_ptr) -+{ -+ const struct pam_message *message; -+ struct pam_response *resp; -+ int i, code; -+ char *pwstring, pwbuf[MAXPWSIZE]; -+ unsigned int pwsize; -+ resp = malloc(sizeof(struct pam_response) * num_msg); -+ if (resp == NULL) { -+ return PAM_BUF_ERR; -+ } -+ memset(resp, 0, sizeof(struct pam_response) * num_msg); -+ code = PAM_SUCCESS; -+ for (i = 0; i < num_msg; i++) { -+ message = &(msg[0][i]); /* XXX */ -+ message = msg[i]; /* XXX */ -+ pwstring = NULL; -+ switch (message->msg_style) { -+ case PAM_TEXT_INFO: -+ case PAM_ERROR_MSG: -+ printf("[%s]\n", message->msg ? message->msg : ""); -+ fflush(stdout); -+ resp[i].resp = NULL; -+ resp[i].resp_retcode = PAM_SUCCESS; -+ break; -+ case PAM_PROMPT_ECHO_ON: -+ case PAM_PROMPT_ECHO_OFF: -+ if (message->msg_style == PAM_PROMPT_ECHO_ON) { -+ if (fgets(pwbuf, sizeof(pwbuf), -+ stdin) != NULL) { -+ pwbuf[strcspn(pwbuf, "\r\n")] = '\0'; -+ pwstring = pwbuf; -+ } -+ } else { -+ pwstring = getpass(message->msg ? -+ message->msg : -+ ""); -+ } -+ if ((pwstring != NULL) && (pwstring[0] != '\0')) { -+ pwsize = strlen(pwstring); -+ resp[i].resp = malloc(pwsize + 1); -+ if (resp[i].resp == NULL) { -+ resp[i].resp_retcode = PAM_BUF_ERR; -+ } else { -+ memcpy(resp[i].resp, pwstring, pwsize); -+ resp[i].resp[pwsize] = '\0'; -+ resp[i].resp_retcode = PAM_SUCCESS; -+ } -+ } else { -+ resp[i].resp_retcode = PAM_CONV_ERR; -+ code = PAM_CONV_ERR; -+ } -+ break; -+ default: -+ break; -+ } -+ } -+ *presp = resp; -+ return code; -+} -+static int -+appl_pam_non_interactive_converse(int num_msg, -+ const struct pam_message **msg, -+ struct pam_response **presp, -+ void *appdata_ptr) -+{ -+ const struct pam_message *message; -+ struct pam_response *resp; -+ int i, code; -+ unsigned int pwsize; -+ struct appl_pam_non_interactive_args *args; -+ const char *pwstring; -+ resp = malloc(sizeof(struct pam_response) * num_msg); -+ if (resp == NULL) { -+ return PAM_BUF_ERR; -+ } -+ args = appdata_ptr; -+ memset(resp, 0, sizeof(struct pam_response) * num_msg); -+ code = PAM_SUCCESS; -+ for (i = 0; i < num_msg; i++) { -+ message = &((*msg)[i]); -+ message = msg[i]; -+ pwstring = NULL; -+ switch (message->msg_style) { -+ case PAM_TEXT_INFO: -+ case PAM_ERROR_MSG: -+ break; -+ case PAM_PROMPT_ECHO_ON: -+ case PAM_PROMPT_ECHO_OFF: -+ if (message->msg_style == PAM_PROMPT_ECHO_ON) { -+ /* assume "user" */ -+ pwstring = args->user; -+ } else { -+ /* assume "password" */ -+ pwstring = args->password; -+ } -+ if ((pwstring != NULL) && (pwstring[0] != '\0')) { -+ pwsize = strlen(pwstring); -+ resp[i].resp = malloc(pwsize + 1); -+ if (resp[i].resp == NULL) { -+ resp[i].resp_retcode = PAM_BUF_ERR; -+ } else { -+ memcpy(resp[i].resp, pwstring, pwsize); -+ resp[i].resp[pwsize] = '\0'; -+ resp[i].resp_retcode = PAM_SUCCESS; -+ } -+ } else { -+ resp[i].resp_retcode = PAM_CONV_ERR; -+ code = PAM_CONV_ERR; -+ } -+ break; -+ default: -+ break; -+ } -+ } -+ *presp = resp; -+ return code; -+} -+static int -+appl_pam_start(const char *service, int interactive, -+ const char *login_username, -+ const char *non_interactive_password, -+ const char *hostname, -+ const char *ruser, -+ const char *tty) -+{ -+ static int exit_handler_registered; -+ static struct appl_pam_non_interactive_args args; -+ int ret = 0; -+ if (appl_pam_started && -+ (strcmp(login_username, appl_pam_user) != 0)) { -+ appl_pam_cleanup(); -+ appl_pam_user = NULL; -+ } -+ if (!appl_pam_started) { -+#ifdef DEBUG -+ printf("Starting PAM up (service=\"%s\",user=\"%s\").\n", -+ service, login_username); -+#endif -+ memset(&appl_pam_conv, 0, sizeof(appl_pam_conv)); -+ appl_pam_conv.conv = interactive ? -+ &appl_pam_interactive_converse : -+ &appl_pam_non_interactive_converse; -+ memset(&args, 0, sizeof(args)); -+ args.user = strdup(login_username); -+ args.password = non_interactive_password ? -+ strdup(non_interactive_password) : -+ NULL; -+ appl_pam_conv.appdata_ptr = &args; -+ ret = pam_start(service, login_username, -+ &appl_pam_conv, &appl_pamh); -+ if (ret == 0) { -+ if (hostname != NULL) { -+#ifdef DEBUG -+ printf("Setting PAM_RHOST to \"%s\".\n", hostname); -+#endif -+ pam_set_item(appl_pamh, PAM_RHOST, hostname); -+ } -+ if (ruser != NULL) { -+#ifdef DEBUG -+ printf("Setting PAM_RUSER to \"%s\".\n", ruser); -+#endif -+ pam_set_item(appl_pamh, PAM_RUSER, ruser); -+ } -+ if (tty != NULL) { -+#ifdef DEBUG -+ printf("Setting PAM_TTY to \"%s\".\n", tty); -+#endif -+ pam_set_item(appl_pamh, PAM_TTY, tty); -+ } -+ if (!exit_handler_registered && -+ (atexit(appl_pam_cleanup) != 0)) { -+ pam_end(appl_pamh, 0); -+ appl_pamh = NULL; -+ ret = -1; -+ } else { -+ appl_pam_started = 1; -+ appl_pam_starter = getpid(); -+ appl_pam_user = strdup(login_username); -+ exit_handler_registered = 1; -+ } -+ } -+ } -+ return ret; -+} -+int -+appl_pam_acct_mgmt(const char *service, int interactive, -+ const char *login_username, -+ const char *non_interactive_password, -+ const char *hostname, -+ const char *ruser, -+ const char *tty) -+{ -+ int ret; -+ appl_pam_pwchange_required = 0; -+ ret = appl_pam_start(service, interactive, login_username, -+ non_interactive_password, hostname, ruser, tty); -+ if (ret == 0) { -+#ifdef DEBUG -+ printf("Calling pam_acct_mgmt().\n"); -+#endif -+ ret = pam_acct_mgmt(appl_pamh, 0); -+ switch (ret) { -+ case PAM_IGNORE: -+ ret = 0; -+ break; -+ case PAM_NEW_AUTHTOK_REQD: -+ appl_pam_pwchange_required = 1; -+ ret = 0; -+ break; -+ default: -+ break; -+ } -+ } -+ return ret; -+} -+int -+appl_pam_requires_chauthtok(void) -+{ -+ return appl_pam_pwchange_required; -+} -+int -+appl_pam_session_open(void) -+{ -+ int ret = 0; -+ if (appl_pam_started) { -+#ifdef DEBUG -+ printf("Opening PAM session.\n"); -+#endif -+ ret = pam_open_session(appl_pamh, 0); -+ if (ret == 0) { -+ appl_pam_session_opened = 1; -+ } -+ } -+ return ret; -+} -+int -+appl_pam_setenv(void) -+{ -+ int ret = 0; -+#ifdef HAVE_PAM_GETENVLIST -+#ifdef HAVE_PUTENV -+ int i; -+ char **list; -+ if (appl_pam_started) { -+ list = pam_getenvlist(appl_pamh); -+ for (i = 0; ((list != NULL) && (list[i] != NULL)); i++) { -+#ifdef DEBUG -+ printf("Setting \"%s\" in environment.\n", list[i]); -+#endif -+ putenv(list[i]); -+ } -+ } -+#endif -+#endif -+ return ret; -+} -+int -+appl_pam_cred_init(void) -+{ -+ int ret = 0; -+ if (appl_pam_started) { -+#ifdef DEBUG -+ printf("Initializing PAM credentials.\n"); -+#endif -+ ret = pam_setcred(appl_pamh, PAM_ESTABLISH_CRED); -+ if (ret == 0) { -+ appl_pam_creds_initialized = 1; -+ } -+ } -+ return ret; -+} -+#endif -diff --git a/src/clients/ksu/pam.h b/src/clients/ksu/pam.h -new file mode 100644 -index 0000000..0ab7656 ---- /dev/null -+++ b/src/clients/ksu/pam.h -@@ -0,0 +1,57 @@ -+/* -+ * src/clients/ksu/pam.h -+ * -+ * Copyright 2007,2009,2010 Red Hat, Inc. -+ * -+ * All Rights Reserved. -+ * -+ * Redistribution and use in source and binary forms, with or without -+ * modification, are permitted provided that the following conditions are met: -+ * -+ * Redistributions of source code must retain the above copyright notice, this -+ * list of conditions and the following disclaimer. -+ * -+ * 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. -+ * -+ * Neither the name of Red Hat, Inc. 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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. -+ * -+ * Convenience wrappers for using PAM. -+ */ -+ -+#include <krb5.h> -+#ifdef HAVE_SECURITY_PAM_APPL_H -+#include <security/pam_appl.h> -+#endif -+ -+#define USE_PAM_CONFIGURATION_KEYWORD "use_pam" -+ -+#ifdef USE_PAM -+int appl_pam_enabled(krb5_context context, const char *section); -+int appl_pam_acct_mgmt(const char *service, int interactive, -+ const char *local_username, -+ const char *non_interactive_password, -+ const char *hostname, -+ const char *ruser, -+ const char *tty); -+int appl_pam_requires_chauthtok(void); -+int appl_pam_session_open(void); -+int appl_pam_setenv(void); -+int appl_pam_cred_init(void); -+void appl_pam_cleanup(void); -+#endif -diff --git a/src/configure.in b/src/configure.in -index 037c9f3..daabd12 100644 ---- a/src/configure.in -+++ b/src/configure.in -@@ -1336,6 +1336,8 @@ AC_SUBST([VERTO_VERSION]) - - AC_PATH_PROG(GROFF, groff) - -+KRB5_WITH_PAM -+ - # Make localedir work in autoconf 2.5x. - if test "${localedir+set}" != set; then - localedir='$(datadir)/locale' |