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audit the module names that granted access

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- pam_faillock: update to latest version
This commit is contained in:
Tomas Mraz 2014-08-13 15:35:49 +02:00
parent e3a692cb19
commit b582f50a36
3 changed files with 415 additions and 54 deletions
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117
pam-1.1.1-faillock.patch
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@ -1,6 +1,6 @@
diff -up Linux-PAM-1.1.1/configure.in.faillock Linux-PAM-1.1.1/configure.in diff -up Linux-PAM-1.1.1/configure.in.faillock Linux-PAM-1.1.1/configure.in
--- Linux-PAM-1.1.1/configure.in.faillock 2010-09-17 15:58:41.000000000 +0200 --- Linux-PAM-1.1.1/configure.in.faillock 2010-10-20 15:46:34.000000000 +0200
+++ Linux-PAM-1.1.1/configure.in 2010-09-17 15:58:41.000000000 +0200 +++ Linux-PAM-1.1.1/configure.in 2011-01-25 18:24:43.000000000 +0100
@@ -539,7 +539,7 @@ AC_CONFIG_FILES([Makefile libpam/Makefil @@ -539,7 +539,7 @@ AC_CONFIG_FILES([Makefile libpam/Makefil
modules/pam_access/Makefile modules/pam_cracklib/Makefile \ modules/pam_access/Makefile modules/pam_cracklib/Makefile \
modules/pam_debug/Makefile modules/pam_deny/Makefile \ modules/pam_debug/Makefile modules/pam_deny/Makefile \
@ -11,8 +11,8 @@ diff -up Linux-PAM-1.1.1/configure.in.faillock Linux-PAM-1.1.1/configure.in
modules/pam_ftp/Makefile modules/pam_group/Makefile \ modules/pam_ftp/Makefile modules/pam_group/Makefile \
modules/pam_issue/Makefile modules/pam_keyinit/Makefile \ modules/pam_issue/Makefile modules/pam_keyinit/Makefile \
diff -up Linux-PAM-1.1.1/doc/sag/pam_faillock.xml.faillock Linux-PAM-1.1.1/doc/sag/pam_faillock.xml diff -up Linux-PAM-1.1.1/doc/sag/pam_faillock.xml.faillock Linux-PAM-1.1.1/doc/sag/pam_faillock.xml
--- Linux-PAM-1.1.1/doc/sag/pam_faillock.xml.faillock 2010-09-17 16:05:56.000000000 +0200 --- Linux-PAM-1.1.1/doc/sag/pam_faillock.xml.faillock 2011-01-25 18:24:43.000000000 +0100
+++ Linux-PAM-1.1.1/doc/sag/pam_faillock.xml 2010-09-17 16:08:26.000000000 +0200 +++ Linux-PAM-1.1.1/doc/sag/pam_faillock.xml 2011-01-25 18:24:43.000000000 +0100
@@ -0,0 +1,38 @@ @@ -0,0 +1,38 @@
+<?xml version='1.0' encoding='UTF-8'?> +<?xml version='1.0' encoding='UTF-8'?>
+<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" +<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
@ -53,8 +53,8 @@ diff -up Linux-PAM-1.1.1/doc/sag/pam_faillock.xml.faillock Linux-PAM-1.1.1/doc/s
+ </section> + </section>
+</section> +</section>
diff -up Linux-PAM-1.1.1/modules/Makefile.am.faillock Linux-PAM-1.1.1/modules/Makefile.am diff -up Linux-PAM-1.1.1/modules/Makefile.am.faillock Linux-PAM-1.1.1/modules/Makefile.am
--- Linux-PAM-1.1.1/modules/Makefile.am.faillock 2010-09-17 15:58:41.000000000 +0200 --- Linux-PAM-1.1.1/modules/Makefile.am.faillock 2010-10-20 15:46:34.000000000 +0200
+++ Linux-PAM-1.1.1/modules/Makefile.am 2010-09-17 15:58:41.000000000 +0200 +++ Linux-PAM-1.1.1/modules/Makefile.am 2011-01-25 18:24:43.000000000 +0100
@@ -3,7 +3,7 @@ @@ -3,7 +3,7 @@
# #
@ -65,9 +65,9 @@ diff -up Linux-PAM-1.1.1/modules/Makefile.am.faillock Linux-PAM-1.1.1/modules/Ma
pam_group pam_issue pam_keyinit pam_lastlog pam_limits \ pam_group pam_issue pam_keyinit pam_lastlog pam_limits \
pam_listfile pam_localuser pam_loginuid pam_mail \ pam_listfile pam_localuser pam_loginuid pam_mail \
diff -up Linux-PAM-1.1.1/modules/pam_faillock/faillock.c.faillock Linux-PAM-1.1.1/modules/pam_faillock/faillock.c diff -up Linux-PAM-1.1.1/modules/pam_faillock/faillock.c.faillock Linux-PAM-1.1.1/modules/pam_faillock/faillock.c
--- Linux-PAM-1.1.1/modules/pam_faillock/faillock.c.faillock 2010-09-17 15:58:41.000000000 +0200 --- Linux-PAM-1.1.1/modules/pam_faillock/faillock.c.faillock 2011-01-25 18:24:43.000000000 +0100
+++ Linux-PAM-1.1.1/modules/pam_faillock/faillock.c 2010-09-17 15:58:41.000000000 +0200 +++ Linux-PAM-1.1.1/modules/pam_faillock/faillock.c 2011-01-25 18:24:56.000000000 +0100
@@ -0,0 +1,147 @@ @@ -0,0 +1,158 @@
+/* +/*
+ * Copyright (c) 2010 Tomas Mraz <tmraz@redhat.com> + * Copyright (c) 2010 Tomas Mraz <tmraz@redhat.com>
+ * + *
@ -111,13 +111,14 @@ diff -up Linux-PAM-1.1.1/modules/pam_faillock/faillock.c.faillock Linux-PAM-1.1.
+#include <sys/types.h> +#include <sys/types.h>
+#include <sys/stat.h> +#include <sys/stat.h>
+#include <sys/file.h> +#include <sys/file.h>
+#include <sys/stat.h>
+#include <fcntl.h> +#include <fcntl.h>
+#include <security/pam_modutil.h> +#include <security/pam_modutil.h>
+ +
+#include "faillock.h" +#include "faillock.h"
+ +
+int +int
+open_tally (const char *dir, const char *user, int create) +open_tally (const char *dir, const char *user, uid_t uid, int create)
+{ +{
+ char *path; + char *path;
+ int flags = O_RDWR; + int flags = O_RDWR;
@ -144,8 +145,18 @@ diff -up Linux-PAM-1.1.1/modules/pam_faillock/faillock.c.faillock Linux-PAM-1.1.
+ +
+ fd = open(path, flags, 0600); + fd = open(path, flags, 0600);
+ +
+ if (fd != -1) + free(path);
+
+ if (fd != -1) {
+ struct stat st;
+
+ while (flock(fd, LOCK_EX) == -1 && errno == EINTR); + while (flock(fd, LOCK_EX) == -1 && errno == EINTR);
+ if (fstat(fd, &st) == 0) {
+ if (st.st_uid != uid) {
+ fchown(fd, uid, -1);
+ }
+ }
+ }
+ +
+ return fd; + return fd;
+} +}
@ -216,9 +227,9 @@ diff -up Linux-PAM-1.1.1/modules/pam_faillock/faillock.c.faillock Linux-PAM-1.1.
+ return 0; + return 0;
+} +}
diff -up Linux-PAM-1.1.1/modules/pam_faillock/faillock.h.faillock Linux-PAM-1.1.1/modules/pam_faillock/faillock.h diff -up Linux-PAM-1.1.1/modules/pam_faillock/faillock.h.faillock Linux-PAM-1.1.1/modules/pam_faillock/faillock.h
--- Linux-PAM-1.1.1/modules/pam_faillock/faillock.h.faillock 2010-09-17 15:58:41.000000000 +0200 --- Linux-PAM-1.1.1/modules/pam_faillock/faillock.h.faillock 2011-01-25 18:24:43.000000000 +0100
+++ Linux-PAM-1.1.1/modules/pam_faillock/faillock.h 2010-09-17 15:58:41.000000000 +0200 +++ Linux-PAM-1.1.1/modules/pam_faillock/faillock.h 2011-01-25 18:24:56.000000000 +0100
@@ -0,0 +1,72 @@ @@ -0,0 +1,73 @@
+/* +/*
+ * Copyright (c) 2010 Tomas Mraz <tmraz@redhat.com> + * Copyright (c) 2010 Tomas Mraz <tmraz@redhat.com>
+ * + *
@ -266,6 +277,7 @@ diff -up Linux-PAM-1.1.1/modules/pam_faillock/faillock.h.faillock Linux-PAM-1.1.
+#define _FAILLOCK_H +#define _FAILLOCK_H
+ +
+#include <stdint.h> +#include <stdint.h>
+#include <sys/types.h>
+ +
+#define TALLY_STATUS_VALID 0x1 /* the tally file entry is valid */ +#define TALLY_STATUS_VALID 0x1 /* the tally file entry is valid */
+#define TALLY_STATUS_RHOST 0x2 /* the source is rhost */ +#define TALLY_STATUS_RHOST 0x2 /* the source is rhost */
@ -286,14 +298,14 @@ diff -up Linux-PAM-1.1.1/modules/pam_faillock/faillock.h.faillock Linux-PAM-1.1.
+ +
+#define FAILLOCK_DEFAULT_TALLYDIR "/var/run/faillock" +#define FAILLOCK_DEFAULT_TALLYDIR "/var/run/faillock"
+ +
+int open_tally(const char *dir, const char *user, int create); +int open_tally(const char *dir, const char *user, uid_t uid, int create);
+int read_tally(int fd, struct tally_data *tallies); +int read_tally(int fd, struct tally_data *tallies);
+int update_tally(int fd, struct tally_data *tallies); +int update_tally(int fd, struct tally_data *tallies);
+#endif +#endif
+ +
diff -up Linux-PAM-1.1.1/modules/pam_faillock/faillock.8.xml.faillock Linux-PAM-1.1.1/modules/pam_faillock/faillock.8.xml diff -up Linux-PAM-1.1.1/modules/pam_faillock/faillock.8.xml.faillock Linux-PAM-1.1.1/modules/pam_faillock/faillock.8.xml
--- Linux-PAM-1.1.1/modules/pam_faillock/faillock.8.xml.faillock 2010-09-17 15:58:41.000000000 +0200 --- Linux-PAM-1.1.1/modules/pam_faillock/faillock.8.xml.faillock 2011-01-25 18:24:43.000000000 +0100
+++ Linux-PAM-1.1.1/modules/pam_faillock/faillock.8.xml 2010-09-17 15:58:41.000000000 +0200 +++ Linux-PAM-1.1.1/modules/pam_faillock/faillock.8.xml 2011-01-25 18:24:43.000000000 +0100
@@ -0,0 +1,123 @@ @@ -0,0 +1,123 @@
+<?xml version="1.0" encoding='UTF-8'?> +<?xml version="1.0" encoding='UTF-8'?>
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
@ -419,8 +431,8 @@ diff -up Linux-PAM-1.1.1/modules/pam_faillock/faillock.8.xml.faillock Linux-PAM-
+ +
+</refentry> +</refentry>
diff -up Linux-PAM-1.1.1/modules/pam_faillock/main.c.faillock Linux-PAM-1.1.1/modules/pam_faillock/main.c diff -up Linux-PAM-1.1.1/modules/pam_faillock/main.c.faillock Linux-PAM-1.1.1/modules/pam_faillock/main.c
--- Linux-PAM-1.1.1/modules/pam_faillock/main.c.faillock 2010-09-17 15:58:41.000000000 +0200 --- Linux-PAM-1.1.1/modules/pam_faillock/main.c.faillock 2011-01-25 18:24:43.000000000 +0100
+++ Linux-PAM-1.1.1/modules/pam_faillock/main.c 2010-09-17 15:58:41.000000000 +0200 +++ Linux-PAM-1.1.1/modules/pam_faillock/main.c 2011-01-25 18:24:56.000000000 +0100
@@ -0,0 +1,233 @@ @@ -0,0 +1,233 @@
+/* +/*
+ * Copyright (c) 2010 Tomas Mraz <tmraz@redhat.com> + * Copyright (c) 2010 Tomas Mraz <tmraz@redhat.com>
@ -466,8 +478,6 @@ diff -up Linux-PAM-1.1.1/modules/pam_faillock/main.c.faillock Linux-PAM-1.1.1/mo
+#include <errno.h> +#include <errno.h>
+#include <pwd.h> +#include <pwd.h>
+#include <time.h> +#include <time.h>
+#include <sys/types.h>
+#include <unistd.h>
+#ifdef HAVE_LIBAUDIT +#ifdef HAVE_LIBAUDIT
+#include <libaudit.h> +#include <libaudit.h>
+#endif +#endif
@ -532,8 +542,11 @@ diff -up Linux-PAM-1.1.1/modules/pam_faillock/main.c.faillock Linux-PAM-1.1.1/mo
+ int fd; + int fd;
+ int rv; + int rv;
+ struct tally_data tallies; + struct tally_data tallies;
+ struct passwd *pwd;
+ +
+ fd = open_tally(opts->dir, user, 0); + pwd = getpwnam(user);
+
+ fd = open_tally(opts->dir, user, pwd != NULL ? pwd->pw_uid : 0, 0);
+ +
+ if (fd == -1) { + if (fd == -1) {
+ if (errno == ENOENT) { + if (errno == ENOENT) {
@ -560,9 +573,8 @@ diff -up Linux-PAM-1.1.1/modules/pam_faillock/main.c.faillock Linux-PAM-1.1.1/mo
+#ifdef HAVE_LIBAUDIT +#ifdef HAVE_LIBAUDIT
+ } + }
+ if ((audit_fd=audit_open()) >= 0) { + if ((audit_fd=audit_open()) >= 0) {
+ struct passwd *pwd;
+ +
+ if ((pwd=getpwnam(user)) != NULL) { + if (pwd != NULL) {
+ snprintf(buf, sizeof(buf), "faillock reset uid=%u", + snprintf(buf, sizeof(buf), "faillock reset uid=%u",
+ pwd->pw_uid); + pwd->pw_uid);
+ audit_log_user_message(audit_fd, AUDIT_USER_ACCT, + audit_log_user_message(audit_fd, AUDIT_USER_ACCT,
@ -656,8 +668,8 @@ diff -up Linux-PAM-1.1.1/modules/pam_faillock/main.c.faillock Linux-PAM-1.1.1/mo
+} +}
+ +
diff -up Linux-PAM-1.1.1/modules/pam_faillock/Makefile.am.faillock Linux-PAM-1.1.1/modules/pam_faillock/Makefile.am diff -up Linux-PAM-1.1.1/modules/pam_faillock/Makefile.am.faillock Linux-PAM-1.1.1/modules/pam_faillock/Makefile.am
--- Linux-PAM-1.1.1/modules/pam_faillock/Makefile.am.faillock 2010-09-17 15:58:41.000000000 +0200 --- Linux-PAM-1.1.1/modules/pam_faillock/Makefile.am.faillock 2011-01-25 18:24:43.000000000 +0100
+++ Linux-PAM-1.1.1/modules/pam_faillock/Makefile.am 2010-09-17 15:58:41.000000000 +0200 +++ Linux-PAM-1.1.1/modules/pam_faillock/Makefile.am 2011-01-25 18:24:43.000000000 +0100
@@ -0,0 +1,43 @@ @@ -0,0 +1,43 @@
+# +#
+# Copyright (c) 2005, 2006, 2007, 2009 Thorsten Kukuk <kukuk@thkukuk.de> +# Copyright (c) 2005, 2006, 2007, 2009 Thorsten Kukuk <kukuk@thkukuk.de>
@ -703,9 +715,9 @@ diff -up Linux-PAM-1.1.1/modules/pam_faillock/Makefile.am.faillock Linux-PAM-1.1
+-include $(top_srcdir)/Make.xml.rules +-include $(top_srcdir)/Make.xml.rules
+endif +endif
diff -up Linux-PAM-1.1.1/modules/pam_faillock/pam_faillock.c.faillock Linux-PAM-1.1.1/modules/pam_faillock/pam_faillock.c diff -up Linux-PAM-1.1.1/modules/pam_faillock/pam_faillock.c.faillock Linux-PAM-1.1.1/modules/pam_faillock/pam_faillock.c
--- Linux-PAM-1.1.1/modules/pam_faillock/pam_faillock.c.faillock 2010-09-17 15:58:41.000000000 +0200 --- Linux-PAM-1.1.1/modules/pam_faillock/pam_faillock.c.faillock 2011-01-25 18:24:43.000000000 +0100
+++ Linux-PAM-1.1.1/modules/pam_faillock/pam_faillock.c 2010-09-17 15:58:41.000000000 +0200 +++ Linux-PAM-1.1.1/modules/pam_faillock/pam_faillock.c 2011-01-25 18:24:56.000000000 +0100
@@ -0,0 +1,550 @@ @@ -0,0 +1,553 @@
+/* +/*
+ * Copyright (c) 2010 Tomas Mraz <tmraz@redhat.com> + * Copyright (c) 2010 Tomas Mraz <tmraz@redhat.com>
+ * + *
@ -921,7 +933,7 @@ diff -up Linux-PAM-1.1.1/modules/pam_faillock/pam_faillock.c.faillock Linux-PAM-
+ +
+ opts->now = time(NULL); + opts->now = time(NULL);
+ +
+ tfd = open_tally(opts->dir, opts->user, 0); + tfd = open_tally(opts->dir, opts->user, opts->uid, 0);
+ +
+ *fd = tfd; + *fd = tfd;
+ +
@ -997,9 +1009,14 @@ diff -up Linux-PAM-1.1.1/modules/pam_faillock/pam_faillock.c.faillock Linux-PAM-
+{ +{
+ int rv; + int rv;
+ +
+ while ((rv=ftruncate(*fd, 0)) == -1 && errno == EINTR); + if (*fd == -1) {
+ if (rv == -1) { + *fd = open_tally(opts->dir, opts->user, opts->uid, 1);
+ pam_syslog(pamh, LOG_ERR, "Error clearing the tally file for %s: %m", opts->user); + }
+ else {
+ while ((rv=ftruncate(*fd, 0)) == -1 && errno == EINTR);
+ if (rv == -1) {
+ pam_syslog(pamh, LOG_ERR, "Error clearing the tally file for %s: %m", opts->user);
+ }
+ } + }
+} +}
+ +
@ -1014,7 +1031,7 @@ diff -up Linux-PAM-1.1.1/modules/pam_faillock/pam_faillock.c.faillock Linux-PAM-
+ const void *source = NULL; + const void *source = NULL;
+ +
+ if (*fd == -1) { + if (*fd == -1) {
+ *fd = open_tally(opts->dir, opts->user, 1); + *fd = open_tally(opts->dir, opts->user, opts->uid, 1);
+ } + }
+ if (*fd == -1) { + if (*fd == -1) {
+ if (errno == EACCES) { + if (errno == EACCES) {
@ -1171,7 +1188,7 @@ diff -up Linux-PAM-1.1.1/modules/pam_faillock/pam_faillock.c.faillock Linux-PAM-
+ +
+ case FAILLOCK_ACTION_AUTHSUCC: + case FAILLOCK_ACTION_AUTHSUCC:
+ rv = check_tally(pamh, &opts, &tallies, &fd); + rv = check_tally(pamh, &opts, &tallies, &fd);
+ if (rv == PAM_SUCCESS && fd != -1) { + if (rv == PAM_SUCCESS) {
+ reset_tally(pamh, &opts, &fd); + reset_tally(pamh, &opts, &fd);
+ } + }
+ break; + break;
@ -1219,10 +1236,8 @@ diff -up Linux-PAM-1.1.1/modules/pam_faillock/pam_faillock.c.faillock Linux-PAM-
+ return rv; + return rv;
+ } + }
+ +
+ check_tally(pamh, &opts, &tallies, &fd); + check_tally(pamh, &opts, &tallies, &fd); /* for auditing */
+ if (fd != -1) { + reset_tally(pamh, &opts, &fd);
+ reset_tally(pamh, &opts, &fd);
+ }
+ +
+ tally_cleanup(&tallies, fd); + tally_cleanup(&tallies, fd);
+ +
@ -1257,9 +1272,9 @@ diff -up Linux-PAM-1.1.1/modules/pam_faillock/pam_faillock.c.faillock Linux-PAM-
+#endif /* #ifdef PAM_STATIC */ +#endif /* #ifdef PAM_STATIC */
+ +
diff -up Linux-PAM-1.1.1/modules/pam_faillock/pam_faillock.8.xml.faillock Linux-PAM-1.1.1/modules/pam_faillock/pam_faillock.8.xml diff -up Linux-PAM-1.1.1/modules/pam_faillock/pam_faillock.8.xml.faillock Linux-PAM-1.1.1/modules/pam_faillock/pam_faillock.8.xml
--- Linux-PAM-1.1.1/modules/pam_faillock/pam_faillock.8.xml.faillock 2010-09-17 15:58:41.000000000 +0200 --- Linux-PAM-1.1.1/modules/pam_faillock/pam_faillock.8.xml.faillock 2011-01-25 18:24:43.000000000 +0100
+++ Linux-PAM-1.1.1/modules/pam_faillock/pam_faillock.8.xml 2010-09-17 15:58:41.000000000 +0200 +++ Linux-PAM-1.1.1/modules/pam_faillock/pam_faillock.8.xml 2011-01-25 18:24:56.000000000 +0100
@@ -0,0 +1,396 @@ @@ -0,0 +1,392 @@
+<?xml version="1.0" encoding='UTF-8'?> +<?xml version="1.0" encoding='UTF-8'?>
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
+ "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd"> + "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd">
@ -1539,13 +1554,9 @@ diff -up Linux-PAM-1.1.1/modules/pam_faillock/pam_faillock.8.xml.faillock Linux-
+ from the <emphasis>pam_tally2</emphasis> module setup. + from the <emphasis>pam_tally2</emphasis> module setup.
+ </para> + </para>
+ <para> + <para>
+ There is no setuid wrapper for access to the data file such as when the + The individual files with the failure records are created as owned by
+ <emphasis remap='B'>pam_faillock.so</emphasis> module is called from + the user. This allows <emphasis remap='B'>pam_faillock.so</emphasis> module
+ a screensaver. As this would make it impossible to share PAM configuration + to work correctly when it is called from a screensaver.
+ with such services the following workaround is used: If the data file
+ cannot be opened because of insufficient permissions
+ (<errorcode>EACCES</errorcode>) the module returns
+ <errorcode>PAM_SUCCESS</errorcode>.
+ </para> + </para>
+ <para> + <para>
+ Note that using the module in <option>preauth</option> without the + Note that using the module in <option>preauth</option> without the
@ -1657,8 +1668,8 @@ diff -up Linux-PAM-1.1.1/modules/pam_faillock/pam_faillock.8.xml.faillock Linux-
+ +
+</refentry> +</refentry>
diff -up Linux-PAM-1.1.1/modules/pam_faillock/README.xml.faillock Linux-PAM-1.1.1/modules/pam_faillock/README.xml diff -up Linux-PAM-1.1.1/modules/pam_faillock/README.xml.faillock Linux-PAM-1.1.1/modules/pam_faillock/README.xml
--- Linux-PAM-1.1.1/modules/pam_faillock/README.xml.faillock 2010-09-17 15:58:41.000000000 +0200 --- Linux-PAM-1.1.1/modules/pam_faillock/README.xml.faillock 2011-01-25 18:24:43.000000000 +0100
+++ Linux-PAM-1.1.1/modules/pam_faillock/README.xml 2010-09-17 15:58:41.000000000 +0200 +++ Linux-PAM-1.1.1/modules/pam_faillock/README.xml 2011-01-25 18:24:43.000000000 +0100
@@ -0,0 +1,46 @@ @@ -0,0 +1,46 @@
+<?xml version="1.0" encoding='UTF-8'?> +<?xml version="1.0" encoding='UTF-8'?>
+<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" +<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
@ -1707,8 +1718,8 @@ diff -up Linux-PAM-1.1.1/modules/pam_faillock/README.xml.faillock Linux-PAM-1.1.
+ +
+</article> +</article>
diff -up Linux-PAM-1.1.1/modules/pam_faillock/tst-pam_faillock.faillock Linux-PAM-1.1.1/modules/pam_faillock/tst-pam_faillock diff -up Linux-PAM-1.1.1/modules/pam_faillock/tst-pam_faillock.faillock Linux-PAM-1.1.1/modules/pam_faillock/tst-pam_faillock
--- Linux-PAM-1.1.1/modules/pam_faillock/tst-pam_faillock.faillock 2010-09-17 15:58:41.000000000 +0200 --- Linux-PAM-1.1.1/modules/pam_faillock/tst-pam_faillock.faillock 2011-01-25 18:24:43.000000000 +0100
+++ Linux-PAM-1.1.1/modules/pam_faillock/tst-pam_faillock 2010-09-17 15:58:41.000000000 +0200 +++ Linux-PAM-1.1.1/modules/pam_faillock/tst-pam_faillock 2011-01-25 18:24:43.000000000 +0100
@@ -0,0 +1,2 @@ @@ -0,0 +1,2 @@
+#!/bin/sh +#!/bin/sh
+../../tests/tst-dlopen .libs/pam_faillock.so +../../tests/tst-dlopen .libs/pam_faillock.so

344
pam-1.1.8-audit-grantor.patch Normal file
View File

@ -0,0 +1,344 @@
diff --git a/libpam/pam_account.c b/libpam/pam_account.c
index 572acc4..3a4fb1f 100644
--- a/libpam/pam_account.c
+++ b/libpam/pam_account.c
@@ -19,9 +19,5 @@ int pam_acct_mgmt(pam_handle_t *pamh, int flags)
retval = _pam_dispatch(pamh, flags, PAM_ACCOUNT);
-#ifdef HAVE_LIBAUDIT
- retval = _pam_auditlog(pamh, PAM_ACCOUNT, retval, flags);
-#endif
-
return retval;
}
diff --git a/libpam/pam_audit.c b/libpam/pam_audit.c
index 531746a..63a4ea5 100644
--- a/libpam/pam_audit.c
+++ b/libpam/pam_audit.c
@@ -28,14 +28,15 @@ _pam_audit_writelog(pam_handle_t *pamh, int audit_fd, int type,
const char *message, int retval)
{
static int old_errno = -1;
- int rc;
- char buf[32];
-
- snprintf(buf, sizeof(buf), "PAM:%s", message);
-
- rc = audit_log_acct_message (audit_fd, type, NULL, buf,
- (retval != PAM_USER_UNKNOWN && pamh->user) ? pamh->user : "?",
- -1, pamh->rhost, NULL, pamh->tty, retval == PAM_SUCCESS );
+ int rc = -ENOMEM;
+ char *buf = NULL;
+
+ if (asprintf(&buf, "PAM:%s", message) >= 0) {
+ rc = audit_log_acct_message(audit_fd, type, NULL, buf,
+ (retval != PAM_USER_UNKNOWN && pamh->user) ? pamh->user : "?",
+ -1, pamh->rhost, NULL, pamh->tty, retval == PAM_SUCCESS);
+ free(buf);
+ }
/* libaudit sets errno to his own negative error code. This can be
an official errno number, but must not. It can also be a audit
@@ -78,12 +79,65 @@ _pam_audit_open(pam_handle_t *pamh)
return audit_fd;
}
+static char *
+_pam_list_grantors(struct handler *hlist, const char *message, int retval)
+{
+ char *buf;
+ char *list = NULL;
+
+ if (retval == PAM_SUCCESS) {
+ struct handler *h;
+ char *p = NULL;
+ size_t len = 0;
+
+ h = hlist;
+
+ while (h != NULL) {
+ if (h->grantor) {
+ len += strlen(h->mod_name) + 1;
+ }
+
+ h = h->next;
+ }
+
+ list = malloc(len);
+ if (list == NULL) {
+ return NULL;
+ }
+
+ h = hlist;
+
+ while (h != NULL) {
+ if (h->grantor) {
+ if (p == NULL) {
+ p = list;
+ } else {
+ p = stpcpy(p, ",");
+ }
+
+ p = stpcpy(p, h->mod_name);
+ }
+
+ h = h->next;
+ }
+ }
+
+ if (asprintf(&buf, "%s grantor=%s", message, list ? list : "?") < 0) {
+ free(list);
+ return NULL;
+ }
+
+ free(list);
+ return buf;
+}
+
int
-_pam_auditlog(pam_handle_t *pamh, int action, int retval, int flags)
+_pam_auditlog(pam_handle_t *pamh, int action, int retval, int flags, struct handler *h)
{
const char *message;
int type;
int audit_fd;
+ char *buf = NULL;
if ((audit_fd=_pam_audit_open(pamh)) == -1) {
return PAM_SYSTEM_ERR;
@@ -134,9 +188,18 @@ _pam_auditlog(pam_handle_t *pamh, int action, int retval, int flags)
retval = PAM_SYSTEM_ERR;
}
- if (_pam_audit_writelog(pamh, audit_fd, type, message, retval) < 0)
+ buf = _pam_list_grantors(h, message, retval);
+ if (buf == NULL) {
+ /* allocation failure */
+ pam_syslog(pamh, LOG_CRIT, "_pam_list_grantors() failed: %m");
+ retval = PAM_SYSTEM_ERR;
+ }
+
+ if (_pam_audit_writelog(pamh, audit_fd, type, buf ? buf : message, retval) < 0)
retval = PAM_SYSTEM_ERR;
+ free(buf);
+
audit_close(audit_fd);
return retval;
}
@@ -149,7 +212,7 @@ _pam_audit_end(pam_handle_t *pamh, int status UNUSED)
* stacks having been run. Assume that this is sshd faking
* things for an unknown user.
*/
- _pam_auditlog(pamh, _PAM_ACTION_DONE, PAM_USER_UNKNOWN, 0);
+ _pam_auditlog(pamh, _PAM_ACTION_DONE, PAM_USER_UNKNOWN, 0, NULL);
}
return 0;
diff --git a/libpam/pam_auth.c b/libpam/pam_auth.c
index 5984fa5..1e7bc6e 100644
--- a/libpam/pam_auth.c
+++ b/libpam/pam_auth.c
@@ -45,10 +45,6 @@ int pam_authenticate(pam_handle_t *pamh, int flags)
prelude_send_alert(pamh, retval);
#endif
-#ifdef HAVE_LIBAUDIT
- retval = _pam_auditlog(pamh, PAM_AUTHENTICATE, retval, flags);
-#endif
-
return retval;
}
@@ -71,10 +67,6 @@ int pam_setcred(pam_handle_t *pamh, int flags)
retval = _pam_dispatch(pamh, flags, PAM_SETCRED);
-#ifdef HAVE_LIBAUDIT
- retval = _pam_auditlog(pamh, PAM_SETCRED, retval, flags);
-#endif
-
D(("pam_setcred exit"));
return retval;
diff --git a/libpam/pam_dispatch.c b/libpam/pam_dispatch.c
index eb52c82..ccfc372 100644
--- a/libpam/pam_dispatch.c
+++ b/libpam/pam_dispatch.c
@@ -217,8 +217,14 @@ static int _pam_dispatch_aux(pam_handle_t *pamh, int flags, struct handler *h,
status = retval;
}
}
- if ( impression == _PAM_POSITIVE && action == _PAM_ACTION_DONE ) {
- goto decision_made;
+ if ( impression == _PAM_POSITIVE ) {
+ if ( retval == PAM_SUCCESS ) {
+ h->grantor = 1;
+ }
+
+ if ( action == _PAM_ACTION_DONE ) {
+ goto decision_made;
+ }
}
break;
@@ -308,6 +314,14 @@ decision_made: /* by getting here we have made a decision */
return status;
}
+static void _pam_clear_grantors(struct handler *h)
+{
+ while (h != NULL) {
+ h->grantor = 0;
+ h = h->next;
+ }
+}
+
/*
* This function translates the module dispatch request into a pointer
* to the stack of modules that will actually be run. the
@@ -318,21 +332,21 @@ decision_made: /* by getting here we have made a decision */
int _pam_dispatch(pam_handle_t *pamh, int flags, int choice)
{
struct handler *h = NULL;
- int retval, use_cached_chain;
+ int retval = PAM_SYSTEM_ERR, use_cached_chain;
_pam_boolean resumed;
IF_NO_PAMH("_pam_dispatch", pamh, PAM_SYSTEM_ERR);
if (__PAM_FROM_MODULE(pamh)) {
D(("called from a module!?"));
- return PAM_SYSTEM_ERR;
+ goto end;
}
/* Load all modules, resolve all symbols */
if ((retval = _pam_init_handlers(pamh)) != PAM_SUCCESS) {
pam_syslog(pamh, LOG_ERR, "unable to dispatch function");
- return retval;
+ goto end;
}
use_cached_chain = _PAM_PLEASE_FREEZE;
@@ -360,7 +374,8 @@ int _pam_dispatch(pam_handle_t *pamh, int flags, int choice)
break;
default:
pam_syslog(pamh, LOG_ERR, "undefined fn choice; %d", choice);
- return PAM_ABORT;
+ retval = PAM_ABORT;
+ goto end;
}
if (h == NULL) { /* there was no handlers.conf... entry; will use
@@ -393,11 +408,13 @@ int _pam_dispatch(pam_handle_t *pamh, int flags, int choice)
pam_syslog(pamh, LOG_ERR,
"application failed to re-exec stack [%d:%d]",
pamh->former.choice, choice);
- return PAM_ABORT;
+ retval = PAM_ABORT;
+ goto end;
}
resumed = PAM_TRUE;
} else {
resumed = PAM_FALSE;
+ _pam_clear_grantors(h);
}
__PAM_TO_MODULE(pamh);
@@ -417,5 +434,13 @@ int _pam_dispatch(pam_handle_t *pamh, int flags, int choice)
pamh->former.choice = PAM_NOT_STACKED;
}
+end:
+
+#ifdef HAVE_LIBAUDIT
+ if (choice != PAM_CHAUTHTOK || flags & PAM_UPDATE_AUTHTOK || retval != PAM_SUCCESS) {
+ retval = _pam_auditlog(pamh, choice, retval, flags, h);
+ }
+#endif
+
return retval;
}
diff --git a/libpam/pam_handlers.c b/libpam/pam_handlers.c
index 02714f7..e3f8ff6 100644
--- a/libpam/pam_handlers.c
+++ b/libpam/pam_handlers.c
@@ -889,6 +889,7 @@ int _pam_add_handler(pam_handle_t *pamh
(*handler_p)->argc = argc;
(*handler_p)->argv = argv; /* not a copy */
(*handler_p)->mod_name = extract_modulename(mod_path);
+ (*handler_p)->grantor = 0;
(*handler_p)->next = NULL;
/* some of the modules have a second calling function */
@@ -921,6 +922,7 @@ int _pam_add_handler(pam_handle_t *pamh
(*handler_p2)->argv = NULL; /* no arguments */
}
(*handler_p2)->mod_name = extract_modulename(mod_path);
+ (*handler_p2)->grantor = 0;
(*handler_p2)->next = NULL;
}
diff --git a/libpam/pam_password.c b/libpam/pam_password.c
index 75db5e5..592e01f 100644
--- a/libpam/pam_password.c
+++ b/libpam/pam_password.c
@@ -57,9 +57,5 @@ int pam_chauthtok(pam_handle_t *pamh, int flags)
D(("will resume when ready", retval));
}
-#ifdef HAVE_LIBAUDIT
- retval = _pam_auditlog(pamh, PAM_CHAUTHTOK, retval, flags);
-#endif
-
return retval;
}
diff --git a/libpam/pam_private.h b/libpam/pam_private.h
index 134dc72..d93283c 100644
--- a/libpam/pam_private.h
+++ b/libpam/pam_private.h
@@ -55,6 +55,7 @@ struct handler {
struct handler *next;
char *mod_name;
int stack_level;
+ int grantor;
};
#define PAM_HT_MODULE 0
@@ -316,7 +317,7 @@ if ((pamh) == NULL) { \
do { (pamh)->caller_is = _PAM_CALLED_FROM_APP; } while (0)
#ifdef HAVE_LIBAUDIT
-extern int _pam_auditlog(pam_handle_t *pamh, int action, int retval, int flags);
+extern int _pam_auditlog(pam_handle_t *pamh, int action, int retval, int flags, struct handler *h);
extern int _pam_audit_end(pam_handle_t *pamh, int pam_status);
#endif
diff --git a/libpam/pam_session.c b/libpam/pam_session.c
index 512153f..cb393c1 100644
--- a/libpam/pam_session.c
+++ b/libpam/pam_session.c
@@ -22,9 +22,6 @@ int pam_open_session(pam_handle_t *pamh, int flags)
}
retval = _pam_dispatch(pamh, flags, PAM_OPEN_SESSION);
-#ifdef HAVE_LIBAUDIT
- retval = _pam_auditlog(pamh, PAM_OPEN_SESSION, retval, flags);
-#endif
return retval;
}
@@ -43,10 +40,6 @@ int pam_close_session(pam_handle_t *pamh, int flags)
retval = _pam_dispatch(pamh, flags, PAM_CLOSE_SESSION);
-#ifdef HAVE_LIBAUDIT
- retval = _pam_auditlog(pamh, PAM_CLOSE_SESSION, retval, flags);
-#endif
-
return retval;
}

8
pam.spec
View File

@ -3,7 +3,7 @@
Summary: An extensible library which provides authentication for applications Summary: An extensible library which provides authentication for applications
Name: pam Name: pam
Version: 1.1.8 Version: 1.1.8
Release: 14%{?dist} Release: 15%{?dist}
# The library is BSD licensed with option to relicense as GPLv2+ # The library is BSD licensed with option to relicense as GPLv2+
# - this option is redundant as the BSD license allows that anyway. # - this option is redundant as the BSD license allows that anyway.
# pam_timestamp, pam_loginuid, and pam_console modules are GPLv2+. # pam_timestamp, pam_loginuid, and pam_console modules are GPLv2+.
@ -50,6 +50,7 @@ Patch35: pam-1.1.8-cve-2013-7041.patch
Patch36: pam-1.1.8-cve-2014-2583.patch Patch36: pam-1.1.8-cve-2014-2583.patch
Patch37: pam-1.1.8-loginuid-container.patch Patch37: pam-1.1.8-loginuid-container.patch
Patch38: pam-1.1.8-opasswd-tolerant.patch Patch38: pam-1.1.8-opasswd-tolerant.patch
Patch39: pam-1.1.8-audit-grantor.patch
%define _pamlibdir %{_libdir} %define _pamlibdir %{_libdir}
%define _moduledir %{_libdir}/security %define _moduledir %{_libdir}/security
@ -134,6 +135,7 @@ cp %{SOURCE18} .
%patch36 -p1 -b .timestamp-ruser %patch36 -p1 -b .timestamp-ruser
%patch37 -p1 -b .container %patch37 -p1 -b .container
%patch38 -p1 -b .opasswd-tolerant %patch38 -p1 -b .opasswd-tolerant
%patch39 -p1 -b .grantor
%build %build
autoreconf -i autoreconf -i
@ -384,6 +386,10 @@ fi
%doc doc/adg/*.txt doc/adg/html %doc doc/adg/*.txt doc/adg/html
%changelog %changelog
* Wed Aug 13 2014 Tomáš Mráz <tmraz@redhat.com> 1.1.8-15
- audit the module names that granted access
- pam_faillock: update to latest version
* Wed Jul 30 2014 Tom Callaway <spot@fedoraproject.org> - 1.1.8-14 * Wed Jul 30 2014 Tom Callaway <spot@fedoraproject.org> - 1.1.8-14
- fix license handling - fix license handling