import pam-1.6.1-4.el10

c10-beta imports/c10-beta/pam-1.6.1-4.el10
MSVSphere Packaging Team 1 month ago
commit 32815a6f23
Signed by: sys_gitsync
GPG Key ID: B2B0B9F29E528FE8

2
.gitignore vendored

@ -0,0 +1,2 @@
SOURCES/Linux-PAM-1.6.1.tar.xz
SOURCES/pam-redhat-1.2.0.tar.xz

@ -0,0 +1,2 @@
633dfd431955044f7a4087553a5b00b509897197 SOURCES/Linux-PAM-1.6.1.tar.xz
d84f186748f6b9ff84980a39acdaf76531c4990e SOURCES/pam-redhat-1.2.0.tar.xz

@ -0,0 +1,16 @@
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@ -0,0 +1,36 @@
.TH SYSTEM-AUTH 5 "2006 Feb 3" "Red Hat" "Linux-PAM Manual"
.SH NAME
config-util \- Common PAM configuration file for configuration utilities
.SH SYNOPSIS
.B /etc/pam.d/config-util
.sp 2
.SH DESCRIPTION
The purpose of this configuration file is to provide common
configuration file for all configuration utilities which must be run
from the supervisor account and use the userhelper wrapper application.
.sp
The
.BR config-util
configuration file is included from all individual configuration
files of such utilities with the help of the
.BR include
directive.
There are not usually any other modules in the individual configuration
files of these utilities.
.sp
It is possible for example to modify duration of the validity of the
authentication timestamp there. See
.BR pam_timestamp(8)
for details.
.SH BUGS
.sp 2
None known.
.SH "SEE ALSO"
pam(8), config-util(5), pam_timestamp(8)

@ -0,0 +1,8 @@
#%PAM-1.0
auth sufficient pam_rootok.so
auth sufficient pam_timestamp.so
auth include system-auth
account required pam_permit.so
session required pam_permit.so
session optional pam_xauth.so
session optional pam_timestamp.so

@ -0,0 +1,75 @@
#!/bin/sh
tempdir=`mktemp -d /tmp/dlopenXXXXXX`
test -n "$tempdir" || exit 1
cat >> $tempdir/dlopen.c << _EOF
#include <dlfcn.h>
#include <stdio.h>
#include <limits.h>
#include <sys/stat.h>
/* Simple program to see if dlopen() would succeed. */
int main(int argc, char **argv)
{
int i;
struct stat st;
char buf[PATH_MAX];
for (i = 1; i < argc; i++) {
if (dlopen(argv[i], RTLD_NOW)) {
fprintf(stdout, "dlopen() of \"%s\" succeeded.\n",
argv[i]);
} else {
snprintf(buf, sizeof(buf), "./%s", argv[i]);
if ((stat(buf, &st) == 0) && dlopen(buf, RTLD_NOW)) {
fprintf(stdout, "dlopen() of \"./%s\" "
"succeeded.\n", argv[i]);
} else {
fprintf(stdout, "dlopen() of \"%s\" failed: "
"%s\n", argv[i], dlerror());
return 1;
}
}
}
return 0;
}
_EOF
for arg in $@ ; do
case "$arg" in
"")
;;
-I*|-D*|-f*|-m*|-g*|-O*|-W*)
cflags="$cflags $arg"
;;
-l*|-L*)
ldflags="$ldflags $arg"
;;
/*)
modules="$modules $arg"
;;
*)
modules="$modules $arg"
;;
esac
done
${CC:-gcc} $RPM_OPT_FLAGS $CFLAGS -o $tempdir/dlopen $cflags $tempdir/dlopen.c $ldflags -ldl
retval=0
for module in $modules ; do
case "$module" in
"")
;;
/*)
$tempdir/dlopen "$module"
retval=$?
;;
*)
$tempdir/dlopen ./"$module"
retval=$?
;;
esac
done
rm -f $tempdir/dlopen $tempdir/dlopen.c
rmdir $tempdir
exit $retval

@ -0,0 +1,339 @@
GNU GENERAL PUBLIC LICENSE
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This program is distributed in the hope that it will be useful,
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You should have received a copy of the GNU General Public License along
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
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The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
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mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License.

@ -0,0 +1,5 @@
%_pam_libdir %{_libdir}
%_pam_moduledir %{_libdir}/security
%_pam_secconfdir %{_sysconfdir}/security
%_pam_confdir %{_sysconfdir}/pam.d
%_pam_vendordir %{_datadir}/pam.d

@ -0,0 +1,5 @@
#%PAM-1.0
auth required pam_deny.so
account required pam_deny.so
password required pam_deny.so
session required pam_deny.so

@ -0,0 +1,17 @@
Index: Linux-PAM-1.5.3/modules/pam_unix/pam_unix_passwd.c
===================================================================
--- Linux-PAM-1.5.3.orig/modules/pam_unix/pam_unix_passwd.c
+++ Linux-PAM-1.5.3/modules/pam_unix/pam_unix_passwd.c
@@ -678,12 +678,6 @@ pam_sm_chauthtok(pam_handle_t *pamh, int
return PAM_SUCCESS;
} else if (off(UNIX__IAMROOT, ctrl) ||
(on(UNIX_NIS, ctrl) && _unix_comesfromsource(pamh, user, 0, 1))) {
- /* instruct user what is happening */
- if (off(UNIX__QUIET, ctrl)) {
- retval = pam_info(pamh, _("Changing password for %s."), user);
- if (retval != PAM_SUCCESS)
- return retval;
- }
retval = pam_get_authtok(pamh, PAM_OLDAUTHTOK, &pass_old, NULL);
if (retval != PAM_SUCCESS) {

@ -0,0 +1,24 @@
diff -up Linux-PAM-1.6.0/configure.ac.redhat-modules Linux-PAM-1.6.0/configure.ac
--- Linux-PAM-1.6.0/configure.ac.redhat-modules 2024-01-23 13:16:34.854753145 +0100
+++ Linux-PAM-1.6.0/configure.ac 2024-01-23 13:17:52.855859922 +0100
@@ -774,6 +774,8 @@ AC_CONFIG_FILES([Makefile libpam/Makefil
po/Makefile.in \
Make.xml.rules \
modules/Makefile \
+ modules/pam_chroot/Makefile \
+ modules/pam_postgresok/Makefile \
modules/pam_access/Makefile \
modules/pam_canonicalize_user/Makefile \
modules/pam_debug/Makefile modules/pam_deny/Makefile \
diff -up Linux-PAM-1.6.0/modules/Makefile.am.redhat-modules Linux-PAM-1.6.0/modules/Makefile.am
--- Linux-PAM-1.6.0/modules/Makefile.am.redhat-modules 2024-01-17 11:29:36.000000000 +0100
+++ Linux-PAM-1.6.0/modules/Makefile.am 2024-01-23 13:16:34.855753147 +0100
@@ -48,6 +48,8 @@ SUBDIRS := \
pam_debug \
pam_deny \
pam_echo \
+ pam_chroot \
+ pam_postgresok \
pam_env \
pam_exec \
pam_faildelay \

@ -0,0 +1,24 @@
diff -up Linux-PAM-1.6.1/doc/Makefile.am.noflex Linux-PAM-1.6.1/doc/Makefile.am
--- Linux-PAM-1.6.1/doc/Makefile.am.noflex 2024-04-09 18:22:59.000000000 +0200
+++ Linux-PAM-1.6.1/doc/Makefile.am 2024-04-10 11:09:39.304086982 +0200
@@ -2,7 +2,7 @@
# Copyright (c) 2005, 2006 Thorsten Kukuk <kukuk@suse.de>
#
-SUBDIRS = man specs sag adg mwg
+SUBDIRS = man sag adg mwg
CLEANFILES = *~
DISTCLEANFILES = custom-html.xsl custom-man.xsl
diff -up Linux-PAM-1.6.1/Makefile.am.noflex Linux-PAM-1.6.1/Makefile.am
--- Linux-PAM-1.6.1/Makefile.am.noflex 2024-04-10 11:09:39.304086982 +0200
+++ Linux-PAM-1.6.1/Makefile.am 2024-04-10 11:13:15.057352362 +0200
@@ -4,7 +4,7 @@
AUTOMAKE_OPTIONS = 1.9 gnu dist-xz no-dist-gzip check-news
-SUBDIRS = libpam_internal libpam tests libpamc libpam_misc modules po conf \
+SUBDIRS = libpam_internal libpam tests libpamc libpam_misc modules po doc \
xtests
if HAVE_DOC

@ -0,0 +1,86 @@
From aabd5314a6d76968c377969b49118a2df3f97003 Mon Sep 17 00:00:00 2001
From: "Dmitry V. Levin" <ldv@strace.io>
Date: Sun, 19 May 2024 15:00:00 +0000
Subject: [PATCH 1/2] pam_env: fix NULL dereference on error path in
econf_read_file
* modules/pam_env/pam_env.c [USE_ECONF] (econf_read_file): Handle NULL
value returned by econf_getStringValue().
Resolves: https://github.com/linux-pam/linux-pam/issues/796
---
modules/pam_env/pam_env.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/modules/pam_env/pam_env.c b/modules/pam_env/pam_env.c
index 2cc58228..6d39bb24 100644
--- a/modules/pam_env/pam_env.c
+++ b/modules/pam_env/pam_env.c
@@ -287,7 +287,7 @@ econf_read_file(const pam_handle_t *pamh, const char *filename, const char *deli
char *val;
error = econf_getStringValue (key_file, NULL, keys[i], &val);
- if (error != ECONF_SUCCESS) {
+ if (error != ECONF_SUCCESS || val == NULL) {
pam_syslog(pamh, LOG_ERR, "Unable to get string from key %s: %s",
keys[i],
econf_errString(error));
--
2.45.1
From 75292685a625153c6e28bdd820e97421c258c04a Mon Sep 17 00:00:00 2001
From: "Dmitry V. Levin" <ldv@strace.io>
Date: Sun, 19 May 2024 15:00:00 +0000
Subject: [PATCH 2/2] pam_env: fix error handling in econf_read_file
* modules/pam_env/pam_env.c [USE_ECONF] (econf_read_file): Make sure
the returned array of strings is properly initialized
when econf_getStringValue() fails to return a value.
---
modules/pam_env/pam_env.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/modules/pam_env/pam_env.c b/modules/pam_env/pam_env.c
index 6d39bb24..7c146439 100644
--- a/modules/pam_env/pam_env.c
+++ b/modules/pam_env/pam_env.c
@@ -273,7 +273,7 @@ econf_read_file(const pam_handle_t *pamh, const char *filename, const char *deli
return PAM_ABORT;
}
- *lines = malloc((key_number +1)* sizeof(char**));
+ *lines = calloc((key_number + 1), sizeof(char**));
if (*lines == NULL) {
pam_syslog(pamh, LOG_ERR, "Cannot allocate memory.");
econf_free(keys);
@@ -281,8 +281,7 @@ econf_read_file(const pam_handle_t *pamh, const char *filename, const char *deli
return PAM_BUF_ERR;
}
- (*lines)[key_number] = 0;
-
+ size_t n = 0;
for (size_t i = 0; i < key_number; i++) {
char *val;
@@ -293,7 +292,7 @@ econf_read_file(const pam_handle_t *pamh, const char *filename, const char *deli
econf_errString(error));
} else {
econf_unescnl(val);
- if (asprintf(&(*lines)[i],"%s%c%s", keys[i], delim[0], val) < 0) {
+ if (asprintf(&(*lines)[n],"%s%c%s", keys[i], delim[0], val) < 0) {
pam_syslog(pamh, LOG_ERR, "Cannot allocate memory.");
econf_free(keys);
econf_freeFile(key_file);
@@ -303,6 +302,7 @@ econf_read_file(const pam_handle_t *pamh, const char *filename, const char *deli
return PAM_BUF_ERR;
}
free (val);
+ n++;
}
}
--
2.45.1

@ -0,0 +1,212 @@
From 5eccaf9b3488d3f6da800281363697e4e4834e77 Mon Sep 17 00:00:00 2001
From: Iker Pedrosa <ipedrosa@redhat.com>
Date: Wed, 22 May 2024 11:16:28 +0200
Subject: [PATCH 1/5] pam_faillock: close the audit socket after use
* modules/pam_faillock/pam_faillock.c (check_tally): Close the audit
socket when it will no longer be used.
```
Error: RESOURCE_LEAK (CWE-772):
Linux-PAM-1.6.0/modules/pam_faillock/pam_faillock.c:247: open_fn: Returning handle opened by "audit_open".
Linux-PAM-1.6.0/modules/pam_faillock/pam_faillock.c:247: var_assign: Assigning: "audit_fd" = handle returned from "audit_open()".
Linux-PAM-1.6.0/modules/pam_faillock/pam_faillock.c:256: noescape: Resource "audit_fd" is not freed or pointed-to in "audit_log_user_message".
Linux-PAM-1.6.0/modules/pam_faillock/pam_faillock.c:258: leaked_handle: Handle variable "audit_fd" going out of scope leaks the handle.
256| audit_log_user_message(audit_fd, AUDIT_RESP_ACCT_UNLOCK_TIMED, buf,
257| rhost, NULL, tty, 1);
258|-> }
259| #endif
260| opts->flags |= FAILLOCK_FLAG_UNLOCKED;
```
Resolves: https://issues.redhat.com/browse/RHEL-36475
Signed-off-by: Iker Pedrosa <ipedrosa@redhat.com>
---
modules/pam_faillock/pam_faillock.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/modules/pam_faillock/pam_faillock.c b/modules/pam_faillock/pam_faillock.c
index e636a24e..f39a9d95 100644
--- a/modules/pam_faillock/pam_faillock.c
+++ b/modules/pam_faillock/pam_faillock.c
@@ -255,6 +255,7 @@ check_tally(pam_handle_t *pamh, struct options *opts, struct tally_data *tallies
snprintf(buf, sizeof(buf), "op=pam_faillock suid=%u ", opts->uid);
audit_log_user_message(audit_fd, AUDIT_RESP_ACCT_UNLOCK_TIMED, buf,
rhost, NULL, tty, 1);
+ audit_close(audit_fd);
}
#endif
opts->flags |= FAILLOCK_FLAG_UNLOCKED;
--
2.45.2
From d00f6cb366b492de455f9b72fcbd2e49abf323e0 Mon Sep 17 00:00:00 2001
From: Iker Pedrosa <ipedrosa@redhat.com>
Date: Wed, 22 May 2024 11:20:02 +0200
Subject: [PATCH 2/5] pam_rootok: close the audit socket on error path
* modules/pam_rootok/pam_rootok.c (log_callback): Close the audit socket
if vasprintf returned an error.
```
Error: RESOURCE_LEAK (CWE-772):
Linux-PAM-1.6.0/modules/pam_rootok/pam_rootok.c:59: open_fn: Returning handle opened by "audit_open".
Linux-PAM-1.6.0/modules/pam_rootok/pam_rootok.c:59: var_assign: Assigning: "audit_fd" = handle returned from "audit_open()".
Linux-PAM-1.6.0/modules/pam_rootok/pam_rootok.c:69: leaked_handle: Handle variable "audit_fd" going out of scope leaks the handle.
67| va_end(ap);
68| if (ret < 0) {
69|-> return 0;
70| }
71| audit_log_user_avc_message(audit_fd, AUDIT_USER_AVC, buf, NULL, NULL,
```
Resolves: https://issues.redhat.com/browse/RHEL-36475
Signed-off-by: Iker Pedrosa <ipedrosa@redhat.com>
---
modules/pam_rootok/pam_rootok.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/modules/pam_rootok/pam_rootok.c b/modules/pam_rootok/pam_rootok.c
index 6d2dfa07..1b88fb19 100644
--- a/modules/pam_rootok/pam_rootok.c
+++ b/modules/pam_rootok/pam_rootok.c
@@ -66,6 +66,7 @@ log_callback (int type UNUSED, const char *fmt, ...)
ret = vasprintf (&buf, fmt, ap);
va_end(ap);
if (ret < 0) {
+ audit_close(audit_fd);
return 0;
}
audit_log_user_avc_message(audit_fd, AUDIT_USER_AVC, buf, NULL, NULL,
--
2.45.2
From 1ca5bfed50bd9f6c2f1e3e36c2df3253923dadf6 Mon Sep 17 00:00:00 2001
From: Iker Pedrosa <ipedrosa@redhat.com>
Date: Wed, 22 May 2024 12:27:00 +0200
Subject: [PATCH 3/5] pam_timestamp: close the timestamp file on error path
* modules/pam_timestamp/pam_timestamp.c (pam_sm_authenticate)
[WITH_OPENSSL]: Close the timestamp file if hmac_size returned
an error.
```
Error: RESOURCE_LEAK (CWE-772):
Linux-PAM-1.6.0/modules/pam_timestamp/pam_timestamp.c:450: open_fn: Returning handle opened by "open". [Note: The source code implementation of the function has been overridden by a user model.]
Linux-PAM-1.6.0/modules/pam_timestamp/pam_timestamp.c:450: var_assign: Assigning: "fd" = handle returned from "open(path, 131072)".
Linux-PAM-1.6.0/modules/pam_timestamp/pam_timestamp.c:460: noescape: Resource "fd" is not freed or pointed-to in "fstat".
Linux-PAM-1.6.0/modules/pam_timestamp/pam_timestamp.c:484: leaked_handle: Handle variable "fd" going out of scope leaks the handle.
482| #ifdef WITH_OPENSSL
483| if (hmac_size(pamh, debug, &maclen)) {
484|-> return PAM_AUTH_ERR;
485| }
486| #else
```
Resolves: https://issues.redhat.com/browse/RHEL-36475
Signed-off-by: Iker Pedrosa <ipedrosa@redhat.com>
---
modules/pam_timestamp/pam_timestamp.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/modules/pam_timestamp/pam_timestamp.c b/modules/pam_timestamp/pam_timestamp.c
index 7c5457c4..edecc052 100644
--- a/modules/pam_timestamp/pam_timestamp.c
+++ b/modules/pam_timestamp/pam_timestamp.c
@@ -481,6 +481,7 @@ pam_sm_authenticate(pam_handle_t *pamh, int flags, int argc, const char **argv)
#ifdef WITH_OPENSSL
if (hmac_size(pamh, debug, &maclen)) {
+ close(fd);
return PAM_AUTH_ERR;
}
#else
--
2.45.2
From 667204d7e3e4a0341c529f7566d62dd64dd80866 Mon Sep 17 00:00:00 2001
From: Iker Pedrosa <ipedrosa@redhat.com>
Date: Wed, 22 May 2024 12:25:34 +0200
Subject: [PATCH 4/5] pam_namespace: free SELinux context
* modules/pam_namespace/pam_namespace.c [WITH_SELINUX] (form_context):
Free SELinux context before returning.
```
Error: RESOURCE_LEAK (CWE-772):
Linux-PAM-1.6.0/modules/pam_namespace/pam_namespace.c:928: alloc_arg: "getexeccon" allocates memory that is stored into "scon".
Linux-PAM-1.6.0/modules/pam_namespace/pam_namespace.c:1004: leaked_storage: Variable "scon" going out of scope leaks the storage it points to.
1002| }
1003| /* Should never get here */
1004|-> return PAM_SUCCESS;
1005| }
1006| #endif
```
Resolves: https://issues.redhat.com/browse/RHEL-36475
Signed-off-by: Iker Pedrosa <ipedrosa@redhat.com>
---
modules/pam_namespace/pam_namespace.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/modules/pam_namespace/pam_namespace.c b/modules/pam_namespace/pam_namespace.c
index e499d95a..781dac20 100644
--- a/modules/pam_namespace/pam_namespace.c
+++ b/modules/pam_namespace/pam_namespace.c
@@ -1003,6 +1003,7 @@ static int form_context(const struct polydir_s *polyptr,
return rc;
}
/* Should never get here */
+ freecon(scon);
return PAM_SUCCESS;
}
#endif
--
2.45.2
From bd2f695b3d89efe0c52bba975f9540634125178a Mon Sep 17 00:00:00 2001
From: Iker Pedrosa <ipedrosa@redhat.com>
Date: Wed, 22 May 2024 12:29:07 +0200
Subject: [PATCH 5/5] pam_namespace: free SELinux context on error path
* modules/pam_namespace/pam_namespace.c (create_polydir) [WITH_SELINUX]:
Free SELinux context in case of an error.
```
Error: RESOURCE_LEAK (CWE-772):
Linux-PAM-1.6.0/modules/pam_namespace/pam_namespace.c:1433: alloc_arg: "getfscreatecon_raw" allocates memory that is stored into "oldcon_raw".
Linux-PAM-1.6.0/modules/pam_namespace/pam_namespace.c:1462: leaked_storage: Variable "oldcon_raw" going out of scope leaks the storage it points to.
1460| pam_syslog(idata->pamh, LOG_ERR,
1461| "Error creating directory %s: %m", dir);
1462|-> return PAM_SESSION_ERR;
1463| }
1464|
```
Resolves: https://issues.redhat.com/browse/RHEL-36475
Signed-off-by: Iker Pedrosa <ipedrosa@redhat.com>
---
modules/pam_namespace/pam_namespace.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/modules/pam_namespace/pam_namespace.c b/modules/pam_namespace/pam_namespace.c
index 781dac20..2dab49ef 100644
--- a/modules/pam_namespace/pam_namespace.c
+++ b/modules/pam_namespace/pam_namespace.c
@@ -1462,6 +1462,9 @@ static int create_polydir(struct polydir_s *polyptr,
if (rc == -1) {
pam_syslog(idata->pamh, LOG_ERR,
"Error creating directory %s: %m", dir);
+#ifdef WITH_SELINUX
+ freecon(oldcon_raw);
+#endif
return PAM_SESSION_ERR;
}
--
2.45.2

@ -0,0 +1,3 @@
d /run/console 0755 root root -
d /run/faillock 0755 root root -
d /run/sepermit 0755 root root -

@ -0,0 +1,46 @@
.TH POSTLOGIN 5 "2010 Dec 22" "Red Hat" "Linux-PAM Manual"
.SH NAME
postlogin \- Common configuration file for PAMified services
.SH SYNOPSIS
.B /etc/pam.d/postlogin
.sp 2
.SH DESCRIPTION
The purpose of this PAM configuration file is to provide a common
place for all PAM modules which should be called after the stack
configured in
.BR system-auth
or the other common PAM configuration files.
.sp
The
.BR postlogin
configuration file is included from all individual service configuration
files that provide login service with shell or file access.
.SH NOTES
The modules in the postlogin configuration file are executed regardless
of the success or failure of the modules in the
.BR system-auth
configuration file.
.SH BUGS
.sp 2
Sometimes it would be useful to be able to skip the postlogin modules in
case the substack of the
.BR system-auth
modules failed. Unfortunately the current Linux-PAM library does not
provide any way how to achieve this.
.SH "SEE ALSO"
pam(8), config-util(5), system-auth(5)
The three
.BR Linux-PAM
Guides, for
.BR "system administrators" ", "
.BR "module developers" ", "
and
.BR "application developers" ". "

@ -0,0 +1,58 @@
.TH SYSTEM-AUTH 5 "2010 Dec 22" "Red Hat" "Linux-PAM Manual"
.SH NAME
system-auth \- Common configuration file for PAMified services
.SH SYNOPSIS
.B /etc/pam.d/system-auth
.B /etc/pam.d/password-auth
.B /etc/pam.d/fingerprint-auth
.B /etc/pam.d/smartcard-auth
.sp 2
.SH DESCRIPTION
The purpose of these configuration files are to provide a common
interface for all applications and service daemons calling into
the PAM library.
.sp
The
.BR system-auth
configuration file is included from nearly all individual service configuration
files with the help of the
.BR substack
directive.
.sp
The
.BR password-auth
.BR fingerprint-auth
.BR smartcard-auth
configuration files are for applications which handle authentication from
different types of devices via simultaneously running individual conversations
instead of one aggregate conversation.
.SH NOTES
Previously these common configuration files were included with the help
of the
.BR include
directive. This limited the use of the different action types of modules.
With the use of
.BR substack
directive to include these common configuration files this limitation
no longer applies.
.SH BUGS
.sp 2
None known.
.SH "SEE ALSO"
pam(8), config-util(5), postlogin(5)
The three
.BR Linux-PAM
Guides, for
.BR "system administrators" ", "
.BR "module developers" ", "
and
.BR "application developers" ". "

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