rpms/pam
7
0
Fork 0
Code Issues Pull Requests Releases Activity

- upgrade to new upstream release

Browse Source 
- add --disable-prelude (#466242)
This commit is contained in:
Tomáš Mráz 2008-12-16 15:17:16 +00:00
parent e30408c5d9
commit d4ff57cf6f
18 changed files with 43 additions and 2200 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
.cvsignore
View File

@ -1,4 +1,4 @@
*.src.rpm *.src.rpm
*.tar.bz2 *.tar.bz2
pam-redhat-0.99.9-1.tar.bz2 pam-redhat-0.99.10-1.tar.bz2
Linux-PAM-1.0.2.tar.bz2 Linux-PAM-1.0.90.tar.bz2

6
Linux-PAM-1.0.2.tar.bz2.sign → Linux-PAM-1.0.90.tar.bz2.sign
View File

@ -2,7 +2,7 @@
Version: GnuPG v1.4.9 (GNU/Linux) Version: GnuPG v1.4.9 (GNU/Linux)
Comment: See http://www.kernel.org/signature.html for info Comment: See http://www.kernel.org/signature.html for info
iD8DBQBIt8Q3yGugalF9Dw4RAnJQAJ9hxQ8qCSTFxs0hKZnT1iuPIld0VwCfV4pa iD8DBQBJQnT1yGugalF9Dw4RAmSGAKCOEjM9X5nFa21Ang/N5B9LdQ7f7wCfRPbd
mxTaEK08wwAQ2bYjsDhh01s= a5H9INJU6W0Ymb4pOq9OFBM=
=rPNX =V27P
-----END PGP SIGNATURE----- -----END PGP SIGNATURE-----

103
pam-0.99.10.0-unix-audit-failed.patch
View File

@ -1,103 +0,0 @@
diff -up Linux-PAM-0.99.10.0/modules/pam_unix/Makefile.am.audit-failed Linux-PAM-0.99.10.0/modules/pam_unix/Makefile.am
--- Linux-PAM-0.99.10.0/modules/pam_unix/Makefile.am.audit-failed 2008-02-06 15:21:34.000000000 +0100
+++ Linux-PAM-0.99.10.0/modules/pam_unix/Makefile.am 2008-02-22 16:11:02.000000000 +0100
@@ -53,7 +53,7 @@ unix_chkpwd_SOURCES = unix_chkpwd.c md5_
passverify.c
unix_chkpwd_CFLAGS = $(AM_CFLAGS) @PIE_CFLAGS@ -DHELPER_COMPILE=\"unix_chkpwd\"
unix_chkpwd_LDFLAGS = @PIE_LDFLAGS@
-unix_chkpwd_LDADD = @LIBCRYPT@ @LIBSELINUX@
+unix_chkpwd_LDADD = @LIBCRYPT@ @LIBSELINUX@ @LIBAUDIT@
unix_update_SOURCES = unix_update.c md5_good.c md5_broken.c bigcrypt.c \
passverify.c
diff -up Linux-PAM-0.99.10.0/modules/pam_unix/unix_chkpwd.c.audit-failed Linux-PAM-0.99.10.0/modules/pam_unix/unix_chkpwd.c
--- Linux-PAM-0.99.10.0/modules/pam_unix/unix_chkpwd.c.audit-failed 2008-02-22 15:39:03.000000000 +0100
+++ Linux-PAM-0.99.10.0/modules/pam_unix/unix_chkpwd.c 2008-02-22 16:34:29.000000000 +0100
@@ -24,6 +24,10 @@
#include <shadow.h>
#include <signal.h>
#include <time.h>
+#include <errno.h>
+#ifdef HAVE_LIBAUDIT
+#include <libaudit.h>
+#endif
#include <security/_pam_types.h>
#include <security/_pam_macros.h>
@@ -54,6 +58,37 @@ static int _check_expiry(const char *una
return retval;
}
+static int _audit_log(int type, const char *uname, int rc)
+{
+#ifdef HAVE_LIBAUDIT
+ int audit_fd;
+
+ audit_fd = audit_open();
+ if (audit_fd < 0) {
+ /* You get these error codes only when the kernel doesn't have
+ * audit compiled in. */
+ if (errno == EINVAL || errno == EPROTONOSUPPORT ||
+ errno == EAFNOSUPPORT)
+ return PAM_SUCCESS;
+
+ helper_log_err(LOG_CRIT, "audit_open() failed: %m");
+ return PAM_AUTH_ERR;
+ }
+
+ rc = audit_log_acct_message(audit_fd, type, NULL, "PAM:unix_chkpwd",
+ uname, -1, NULL, NULL, NULL, rc == PAM_SUCCESS);
+ if (rc == -EPERM && geteuid() != 0) {
+ rc = 0;
+ }
+
+ audit_close(audit_fd);
+
+ return rc < 0 ? PAM_AUTH_ERR : PAM_SUCCESS;
+#else
+ return PAM_SUCCESS;
+#endif
+}
+
int main(int argc, char *argv[])
{
char pass[MAXPASS + 1];
@@ -82,6 +117,7 @@ int main(int argc, char *argv[])
helper_log_err(LOG_NOTICE
,"inappropriate use of Unix helper binary [UID=%d]"
,getuid());
+ _audit_log(AUDIT_ANOM_EXEC, getuidname(getuid()), PAM_SYSTEM_ERR);
fprintf(stderr
,"This binary is not designed for running in this way\n"
"-- the system administrator has been informed\n");
@@ -118,9 +154,10 @@ int main(int argc, char *argv[])
nullok = 1;
else if (strcmp(option, "nonull") == 0)
nullok = 0;
- else
+ else {
+ _audit_log(AUDIT_ANOM_EXEC, getuidname(getuid()), PAM_SYSTEM_ERR);
return PAM_SYSTEM_ERR;
-
+ }
/* read the password from stdin (a pipe from the pam_unix module) */
npass = read_passwords(STDIN_FILENO, 1, passwords);
@@ -141,11 +178,16 @@ int main(int argc, char *argv[])
/* return pass or fail */
if (retval != PAM_SUCCESS) {
- if (!nullok || !blankpass)
+ if (!nullok || !blankpass) {
/* no need to log blank pass test */
+ if (getuid() != 0)
+ _audit_log(AUDIT_USER_AUTH, user, PAM_AUTH_ERR);
helper_log_err(LOG_NOTICE, "password check failed for user (%s)", user);
+ }
return PAM_AUTH_ERR;
} else {
+ if (getuid() != 0)
+ return _audit_log(AUDIT_USER_AUTH, user, PAM_SUCCESS);
return PAM_SUCCESS;
}
}

285
pam-0.99.6.2-lastlog-failed.patch
View File

@ -1,285 +0,0 @@
diff -up Linux-PAM-0.99.6.2/modules/pam_lastlog/pam_lastlog.c.failed Linux-PAM-0.99.6.2/modules/pam_lastlog/pam_lastlog.c
--- Linux-PAM-0.99.6.2/modules/pam_lastlog/pam_lastlog.c.failed 2006-08-24 20:03:44.000000000 +0200
+++ Linux-PAM-0.99.6.2/modules/pam_lastlog/pam_lastlog.c 2008-09-12 21:21:42.000000000 +0200
@@ -46,6 +46,10 @@ struct lastlog {
};
#endif /* hpux */
+#ifndef _PATH_BTMP
+# define _PATH_BTMP "/var/log/btmp"
+#endif
+
/* XXX - time before ignoring lock. Is 1 sec enough? */
#define LASTLOG_IGNORE_LOCK_TIME 1
@@ -75,11 +79,13 @@ struct lastlog {
#define LASTLOG_DEBUG 020 /* send info to syslog(3) */
#define LASTLOG_QUIET 040 /* keep quiet about things */
#define LASTLOG_WTMP 0100 /* log to wtmp as well as lastlog */
+#define LASTLOG_BTMP 0200 /* display failed login info from btmp */
+#define LASTLOG_UPDATE 0400 /* update the lastlog and wtmp files (default) */
static int
_pam_parse(pam_handle_t *pamh, int flags, int argc, const char **argv)
{
- int ctrl=(LASTLOG_DATE|LASTLOG_HOST|LASTLOG_LINE|LASTLOG_WTMP);
+ int ctrl=(LASTLOG_DATE|LASTLOG_HOST|LASTLOG_LINE|LASTLOG_WTMP|LASTLOG_UPDATE);
/* does the appliction require quiet? */
if (flags & PAM_SILENT) {
@@ -105,6 +111,10 @@ _pam_parse(pam_handle_t *pamh, int flags
ctrl |= LASTLOG_NEVER;
} else if (!strcmp(*argv,"nowtmp")) {
ctrl &= ~LASTLOG_WTMP;
+ } else if (!strcmp(*argv,"noupdate")) {
+ ctrl &= ~(LASTLOG_WTMP|LASTLOG_UPDATE);
+ } else if (!strcmp(*argv,"showfailed")) {
+ ctrl |= LASTLOG_BTMP;
} else {
pam_syslog(pamh, LOG_ERR, "unknown option: %s", *argv);
}
@@ -135,7 +145,7 @@ get_tty(pam_handle_t *pamh)
}
static int
-last_login_read(pam_handle_t *pamh, int announce, int last_fd, uid_t uid)
+last_login_read(pam_handle_t *pamh, int announce, int last_fd, uid_t uid, time_t *lltime)
{
struct flock last_lock;
struct lastlog last_login;
@@ -166,6 +176,7 @@ last_login_read(pam_handle_t *pamh, int
last_lock.l_type = F_UNLCK;
(void) fcntl(last_fd, F_SETLK, &last_lock); /* unlock */
+ *lltime = last_login.ll_time;
if (!last_login.ll_time) {
if (announce & LASTLOG_DEBUG) {
pam_syslog(pamh, LOG_DEBUG,
@@ -320,13 +331,13 @@ last_login_write(pam_handle_t *pamh, int
}
static int
-last_login_date(pam_handle_t *pamh, int announce, uid_t uid, const char *user)
+last_login_date(pam_handle_t *pamh, int announce, uid_t uid, const char *user, time_t *lltime)
{
int retval;
int last_fd;
/* obtain the last login date and all the relevant info */
- last_fd = open(_PATH_LASTLOG, O_RDWR);
+ last_fd = open(_PATH_LASTLOG, announce&LASTLOG_UPDATE ? O_RDWR : O_RDONLY);
if (last_fd < 0) {
if (errno == ENOENT) {
last_fd = open(_PATH_LASTLOG, O_RDWR|O_CREAT,
@@ -353,7 +364,7 @@ last_login_date(pam_handle_t *pamh, int
return PAM_SERVICE_ERR;
}
- retval = last_login_read(pamh, announce, last_fd, uid);
+ retval = last_login_read(pamh, announce, last_fd, uid, lltime);
if (retval != PAM_SUCCESS)
{
close(last_fd);
@@ -361,7 +372,9 @@ last_login_date(pam_handle_t *pamh, int
return retval;
}
- retval = last_login_write(pamh, announce, last_fd, uid, user);
+ if (announce & LASTLOG_UPDATE) {
+ retval = last_login_write(pamh, announce, last_fd, uid, user);
+ }
close(last_fd);
D(("all done with last login"));
@@ -369,6 +382,116 @@ last_login_date(pam_handle_t *pamh, int
return retval;
}
+static int
+last_login_failed(pam_handle_t *pamh, int announce, const char *user, time_t lltime)
+{
+ int retval;
+ int fd;
+ struct utmp ut;
+ struct utmp utuser;
+ int failed = 0;
+ char the_time[256];
+ char *date = NULL;
+ char *host = NULL;
+ char *line = NULL;
+
+ if (strlen(user) > UT_NAMESIZE) {
+ pam_syslog(pamh, LOG_WARNING, "username too long, output might be inaccurate");
+ }
+
+ /* obtain the failed login attempt records from btmp */
+ fd = open(_PATH_BTMP, O_RDONLY);
+ if (fd < 0) {
+ pam_syslog(pamh, LOG_ERR, "unable to open %s: %m", _PATH_BTMP);
+ D(("unable to open %s file", _PATH_BTMP));
+ return PAM_SERVICE_ERR;
+ }
+
+ while ((retval=pam_modutil_read(fd, (void *)&ut,
+ sizeof(ut))) == sizeof(ut)) {
+ if (ut.ut_tv.tv_sec >= lltime && strncmp(ut.ut_user, user, UT_NAMESIZE) == 0) {
+ memcpy(&utuser, &ut, sizeof(utuser));
+ failed++;
+ }
+ }
+
+ if (failed) {
+ /* we want the date? */
+ if (announce & LASTLOG_DATE) {
+ struct tm *tm, tm_buf;
+ time_t lf_time;
+
+ lf_time = utuser.ut_tv.tv_sec;
+ tm = localtime_r (&lf_time, &tm_buf);
+ strftime (the_time, sizeof (the_time),
+ /* TRANSLATORS: "strftime options for date of last login" */
+ _(" %a %b %e %H:%M:%S %Z %Y"), tm);
+
+ date = the_time;
+ }
+
+ /* we want & have the host? */
+ if ((announce & LASTLOG_HOST)
+ && (utuser.ut_host[0] != '\0')) {
+ /* TRANSLATORS: " from <host>" */
+ if (asprintf(&host, _(" from %.*s"), UT_HOSTSIZE,
+ utuser.ut_host) < 0) {
+ pam_syslog(pamh, LOG_ERR, "out of memory");
+ retval = PAM_BUF_ERR;
+ goto cleanup;
+ }
+ }
+
+ /* we want and have the terminal? */
+ if ((announce & LASTLOG_LINE)
+ && (utuser.ut_line[0] != '\0')) {
+ /* TRANSLATORS: " on <terminal>" */
+ if (asprintf(&line, _(" on %.*s"), UT_LINESIZE,
+ utuser.ut_line) < 0) {
+ pam_syslog(pamh, LOG_ERR, "out of memory");
+ retval = PAM_BUF_ERR;
+ goto cleanup;
+ }
+ }
+
+ if (announce & (LASTLOG_LINE|LASTLOG_DATE|LASTLOG_HOST)) {
+ /* TRANSLATORS: "Last failed login: <date> from <host> on <terminal>" */
+ pam_info(pamh, _("Last failed login:%s%s%s"),
+ date ? date : "",
+ host ? host : "",
+ line ? line : "");
+ }
+
+ _pam_drop(line);
+#if defined HAVE_DNGETTEXT && defined ENABLE_NLS
+ asprintf (&line, dngettext(PACKAGE,
+ "There was %d failed login attempt since the last successful login.",
+ "There were %d failed login attempts since the last successful login.",
+ failed),
+ failed);
+#else
+ if (daysleft == 1)
+ asprintf(&line,
+ _("There was %d failed login attempt since the last successful login."),
+ failed);
+ else
+ asprintf(&line,
+ /* TRANSLATORS: only used if dngettext is not supported */
+ _("There were %d failed login attempts since the last successful login."),
+ failed);
+#endif
+ retval = pam_info(pamh, "%s", line);
+ }
+
+cleanup:
+ free(host);
+ free(line);
+ close(fd);
+ D(("all done with btmp"));
+
+ return retval;
+}
+
/* --- authentication management functions (only) --- */
PAM_EXTERN int
@@ -379,6 +502,7 @@ pam_sm_open_session(pam_handle_t *pamh,
const void *user;
const struct passwd *pwd;
uid_t uid;
+ time_t lltime = 0;
/*
* this module gets the uid of the PAM_USER. Uses it to display
@@ -407,7 +531,11 @@ pam_sm_open_session(pam_handle_t *pamh,
/* process the current login attempt (indicate last) */
- retval = last_login_date(pamh, ctrl, uid, user);
+ retval = last_login_date(pamh, ctrl, uid, user, &lltime);
+
+ if ((ctrl & LASTLOG_BTMP) && retval == PAM_SUCCESS) {
+ retval = last_login_failed(pamh, ctrl, user, lltime);
+ }
/* indicate success or failure */
diff -up Linux-PAM-0.99.6.2/modules/pam_lastlog/pam_lastlog.8.xml.failed Linux-PAM-0.99.6.2/modules/pam_lastlog/pam_lastlog.8.xml
--- Linux-PAM-0.99.6.2/modules/pam_lastlog/pam_lastlog.8.xml.failed 2006-06-09 18:44:07.000000000 +0200
+++ Linux-PAM-0.99.6.2/modules/pam_lastlog/pam_lastlog.8.xml 2008-09-12 21:12:35.000000000 +0200
@@ -39,6 +39,12 @@
<arg choice="opt">
nowtmp
</arg>
+ <arg choice="opt">
+ noupdate
+ </arg>
+ <arg choice="opt">
+ showfailed
+ </arg>
</cmdsynopsis>
</refsynopsisdiv>
@@ -137,6 +143,28 @@
</para>
</listitem>
</varlistentry>
+ <varlistentry>
+ <term>
+ <option>noupdate</option>
+ </term>
+ <listitem>
+ <para>
+ Don't update any file.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>
+ <option>showfailed</option>
+ </term>
+ <listitem>
+ <para>
+ Display number of failed login attempts and the date of the
+ last failed attempt from btmp. The date is not displayed
+ when <option>nodate</option> is specified.
+ </para>
+ </listitem>
+ </varlistentry>
</variablelist>
</refsect1>
@@ -213,7 +241,7 @@
<refentrytitle>pam.conf</refentrytitle><manvolnum>5</manvolnum>
</citerefentry>,
<citerefentry>
- <refentrytitle>pam.d</refentrytitle><manvolnum>8</manvolnum>
+ <refentrytitle>pam.d</refentrytitle><manvolnum>5</manvolnum>
</citerefentry>,
<citerefentry>
<refentrytitle>pam</refentrytitle><manvolnum>8</manvolnum>

23
pam-0.99.7.0-redhat-modules.patch
View File

@ -1,23 +0,0 @@
--- Linux-PAM-0.99.5.0/configure.in.redhat-modules 2006-06-28 09:25:02.000000000 +0200
+++ Linux-PAM-0.99.5.0/configure.in 2006-06-30 10:24:35.000000000 +0200
@@ -492,6 +492,9 @@
libpam_misc/Makefile conf/Makefile conf/pam_conv1/Makefile \
po/Makefile.in \
modules/Makefile \
+ modules/pam_chroot/Makefile modules/pam_console/Makefile \
+ modules/pam_postgresok/Makefile \
+ modules/pam_timestamp/Makefile modules/pam_tally2/Makefile \
modules/pam_access/Makefile modules/pam_cracklib/Makefile \
modules/pam_debug/Makefile modules/pam_deny/Makefile \
modules/pam_echo/Makefile modules/pam_env/Makefile \
--- Linux-PAM-0.99.5.0/modules/Makefile.am.redhat-modules 2006-06-27 16:21:08.000000000 +0200
+++ Linux-PAM-0.99.5.0/modules/Makefile.am 2006-06-30 10:27:02.000000000 +0200
@@ -3,6 +3,8 @@
#
SUBDIRS = pam_access pam_cracklib pam_debug pam_deny pam_echo \
+ pam_chroot pam_console pam_postgresok \
+ pam_timestamp pam_tally2 \
pam_env pam_filter pam_ftp pam_group pam_issue pam_keyinit \
pam_lastlog pam_limits pam_listfile pam_localuser pam_mail \
pam_mkhomedir pam_motd pam_nologin pam_permit pam_rhosts pam_rootok \

561
pam-1.0.0-selinux-env-params.patch
View File

@ -1,561 +0,0 @@
Index: modules/pam_selinux/pam_selinux.8.xml
===================================================================
RCS file: /cvsroot/pam/Linux-PAM/modules/pam_selinux/pam_selinux.8.xml,v
retrieving revision 1.2
diff -u -p -r1.2 pam_selinux.8.xml
--- modules/pam_selinux/pam_selinux.8.xml 15 Jun 2007 10:17:22 -0000 1.2
+++ modules/pam_selinux/pam_selinux.8.xml 19 May 2008 15:44:08 -0000
@@ -37,6 +37,9 @@
select_context
</arg>
<arg choice="opt">
+ env_params
+ </arg>
+ <arg choice="opt">
use_current_range
</arg>
</cmdsynopsis>
@@ -137,12 +140,30 @@
</varlistentry>
<varlistentry>
<term>
+ <option>env_params</option>
+ </term>
+ <listitem>
+ <para>
+ Attempt to obtain a custom security context role from PAM environment.
+ If MLS is on obtain also sensitivity level. This option and the
+ select_context option are mutually exclusive. The respective PAM
+ environment variables are <emphasis>SELINUX_ROLE_REQUESTED</emphasis>,
+ <emphasis>SELINUX_LEVEL_REQUESTED</emphasis>, and
+ <emphasis>SELINUX_USE_CURRENT_RANGE</emphasis>. The first two variables
+ are self describing and the last one if set to 1 makes the PAM module behave as
+ if the use_current_range was specified on the command line of the module.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>
<option>use_current_range</option>
</term>
<listitem>
<para>
- Use the sensitivity range of the process for the user context.
- This option and the select_context option are mutually exclusive.
+ Use the sensitivity level of the current process for the user context
+ instead of the default level. Also supresses asking of the
+ sensitivity level from the user or obtaining it from PAM environment.
</para>
</listitem>
</varlistentry>
Index: modules/pam_selinux/pam_selinux.c
===================================================================
RCS file: /cvsroot/pam/Linux-PAM/modules/pam_selinux/pam_selinux.c,v
retrieving revision 1.16
diff -u -p -r1.16 pam_selinux.c
--- modules/pam_selinux/pam_selinux.c 22 Apr 2008 19:21:37 -0000 1.16
+++ modules/pam_selinux/pam_selinux.c 19 May 2008 15:44:08 -0000
@@ -2,8 +2,9 @@
* A module for Linux-PAM that will set the default security context after login
* via PAM.
*
- * Copyright (c) 2003 Red Hat, Inc.
+ * Copyright (c) 2003-2008 Red Hat, Inc.
* Written by Dan Walsh <dwalsh@redhat.com>
+ * Additional improvements by Tomas Mraz <tmraz@redhat.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -138,15 +139,22 @@ send_text (pam_handle_t *pamh, const cha
*/
static int
query_response (pam_handle_t *pamh, const char *text, const char *def,
- char **responses, int debug)
+ char **response, int debug)
{
int rc;
if (def)
- rc = pam_prompt (pamh, PAM_PROMPT_ECHO_ON, responses, "%s [%s] ", text, def);
+ rc = pam_prompt (pamh, PAM_PROMPT_ECHO_ON, response, "%s [%s] ", text, def);
else
- rc = pam_prompt (pamh, PAM_PROMPT_ECHO_ON, responses, "%s ", text);
- if (debug)
- pam_syslog(pamh, LOG_NOTICE, "%s %s", text, responses[0]);
+ rc = pam_prompt (pamh, PAM_PROMPT_ECHO_ON, response, "%s ", text);
+
+ if (*response == NULL) {
+ rc = PAM_CONV_ERR;
+ }
+
+ if (rc != PAM_SUCCESS) {
+ pam_syslog(pamh, LOG_WARNING, "No response to query: %s", text);
+ } else if (debug)
+ pam_syslog(pamh, LOG_NOTICE, "%s %s", text, *response);
return rc;
}
@@ -157,13 +165,15 @@ manual_context (pam_handle_t *pamh, cons
context_t new_context;
int mls_enabled = is_selinux_mls_enabled();
char *type=NULL;
- char *responses=NULL;
+ char *response=NULL;
while (1) {
- query_response(pamh,
- _("Would you like to enter a security context? [N] "), NULL,
- &responses,debug);
- if ((responses[0] == 'y') || (responses[0] == 'Y'))
+ if (query_response(pamh,
+ _("Would you like to enter a security context? [N] "), NULL,
+ &response, debug) != PAM_SUCCESS)
+ return NULL;
+
+ if ((response[0] == 'y') || (response[0] == 'Y'))
{
if (mls_enabled)
new_context = context_new ("user:role:type:level");
@@ -176,26 +186,29 @@ manual_context (pam_handle_t *pamh, cons
if (context_user_set (new_context, user))
goto fail_set;
- _pam_drop(responses);
+ _pam_drop(response);
/* Allow the user to enter each field of the context individually */
- query_response(pamh,_("role:"), NULL, &responses,debug);
- if (responses[0] != '\0') {
- if (context_role_set (new_context, responses))
+ if (query_response(pamh, _("role:"), NULL, &response, debug) == PAM_SUCCESS &&
+ response[0] != '\0') {
+ if (context_role_set (new_context, response))
goto fail_set;
- if (get_default_type(responses, &type))
+ if (get_default_type(response, &type))
goto fail_set;
if (context_type_set (new_context, type))
goto fail_set;
}
- _pam_drop(responses);
+ _pam_drop(response);
+
if (mls_enabled)
{
- query_response(pamh,_("level:"), NULL, &responses,debug);
- if (responses[0] != '\0') {
- if (context_range_set (new_context, responses))
+ if (query_response(pamh, _("level:"), NULL, &response, debug) == PAM_SUCCESS &&
+ response[0] != '\0') {
+ if (context_range_set (new_context, response))
goto fail_set;
}
+ _pam_drop(response);
}
+
/* Get the string value of the context and see if it is valid. */
if (!security_check_context(context_str(new_context))) {
newcon = strdup(context_str(new_context));
@@ -204,16 +217,17 @@ manual_context (pam_handle_t *pamh, cons
}
else
send_text(pamh,_("Not a valid security context"),debug);
- context_free (new_context);
+
+ context_free (new_context);
}
else {
- _pam_drop(responses);
+ _pam_drop(response);
return NULL;
}
} /* end while */
fail_set:
free(type);
- _pam_drop(responses);
+ _pam_drop(response);
context_free (new_context);
return NULL;
}
@@ -239,69 +253,91 @@ static int mls_range_allowed(pam_handle_
}
static security_context_t
-config_context (pam_handle_t *pamh, security_context_t puser_context, int debug)
+config_context (pam_handle_t *pamh, security_context_t defaultcon, int use_current_range, int debug)
{
security_context_t newcon=NULL;
context_t new_context;
int mls_enabled = is_selinux_mls_enabled();
- char *responses=NULL;
+ char *response=NULL;
char *type=NULL;
char resp_val = 0;
- pam_prompt (pamh, PAM_TEXT_INFO, NULL, _("Default Security Context %s\n"), puser_context);
+ pam_prompt (pamh, PAM_TEXT_INFO, NULL, _("Default Security Context %s\n"), defaultcon);
while (1) {
- query_response(pamh,
+ if (query_response(pamh,
_("Would you like to enter a different role or level?"), "n",
- &responses,debug);
-
- resp_val = responses[0];
- _pam_drop(responses);
+ &response, debug) == PAM_SUCCESS) {
+ resp_val = response[0];
+ _pam_drop(response);
+ } else {
+ resp_val = 'N';
+ }
if ((resp_val == 'y') || (resp_val == 'Y'))
{
- new_context = context_new(puser_context);
-
+ if ((new_context = context_new(defaultcon)) == NULL)
+ goto fail_set;
+
/* Allow the user to enter role and level individually */
- query_response(pamh,_("role:"), context_role_get(new_context),
- &responses, debug);
- if (responses[0]) {
- if (get_default_type(responses, &type)) {
- pam_prompt (pamh, PAM_ERROR_MSG, NULL, _("No default type for role %s\n"), responses);
- _pam_drop(responses);
+ if (query_response(pamh, _("role:"), context_role_get(new_context),
+ &response, debug) == PAM_SUCCESS && response[0]) {
+ if (get_default_type(response, &type)) {
+ pam_prompt (pamh, PAM_ERROR_MSG, NULL, _("No default type for role %s\n"), response);
+ _pam_drop(response);
continue;
} else {
- if (context_role_set(new_context, responses))
+ if (context_role_set(new_context, response))
goto fail_set;
if (context_type_set (new_context, type))
goto fail_set;
}
}
- _pam_drop(responses);
+ _pam_drop(response);
+
if (mls_enabled)
{
- query_response(pamh,_("level:"), context_range_get(new_context),
- &responses, debug);
- if (responses[0]) {
- if (context_range_set(new_context, responses))
- goto fail_set;
+ if (use_current_range) {
+ security_context_t mycon = NULL;
+ context_t my_context;
+
+ if (getcon(&mycon) != 0)
+ goto fail_set;
+ my_context = context_new(mycon);
+ if (my_context == NULL) {
+ freecon(mycon);
+ goto fail_set;
+ }
+ freecon(mycon);
+ if (context_range_set(new_context, context_range_get(my_context))) {
+ context_free(my_context);
+ goto fail_set;
+ }
+ context_free(my_context);
+ } else if (query_response(pamh, _("level:"), context_range_get(new_context),
+ &response, debug) == PAM_SUCCESS && response[0]) {
+ if (context_range_set(new_context, response))
+ goto fail_set;
}
- _pam_drop(responses);
+ _pam_drop(response);
}
+
if (debug)
pam_syslog(pamh, LOG_NOTICE, "Selected Security Context %s", context_str(new_context));
/* Get the string value of the context and see if it is valid. */
if (!security_check_context(context_str(new_context))) {
newcon = strdup(context_str(new_context));
- context_free (new_context);
+ if (newcon == NULL)
+ goto fail_set;
+ context_free(new_context);
/* we have to check that this user is allowed to go into the
range they have specified ... role is tied to an seuser, so that'll
be checked at setexeccon time */
- if (mls_enabled && !mls_range_allowed(pamh, puser_context, newcon, debug)) {
- pam_syslog(pamh, LOG_NOTICE, "Security context %s is not allowed for %s", puser_context, newcon);
+ if (mls_enabled && !mls_range_allowed(pamh, defaultcon, newcon, debug)) {
+ pam_syslog(pamh, LOG_NOTICE, "Security context %s is not allowed for %s", defaultcon, newcon);
- send_audit_message(pamh, 0, puser_context, newcon);
+ send_audit_message(pamh, 0, defaultcon, newcon);
free(newcon);
goto fail_range;
@@ -309,26 +345,120 @@ config_context (pam_handle_t *pamh, secu
return newcon;
}
else {
- send_audit_message(pamh, 0, puser_context, context_str(new_context));
+ send_audit_message(pamh, 0, defaultcon, context_str(new_context));
send_text(pamh,_("Not a valid security context"),debug);
}
context_free(new_context); /* next time around allocates another */
}
else
- return strdup(puser_context);
+ return strdup(defaultcon);
} /* end while */
return NULL;
fail_set:
free(type);
- _pam_drop(responses);
+ _pam_drop(response);
context_free (new_context);
- send_audit_message(pamh, 0, puser_context, NULL);
+ send_audit_message(pamh, 0, defaultcon, NULL);
fail_range:
return NULL;
}
+static security_context_t
+context_from_env (pam_handle_t *pamh, security_context_t defaultcon, int env_params, int use_current_range, int debug)
+{
+ security_context_t newcon = NULL;
+ context_t new_context;
+ context_t my_context = NULL;
+ int mls_enabled = is_selinux_mls_enabled();
+ const char *env = NULL;
+ char *type = NULL;
+
+ if ((new_context = context_new(defaultcon)) == NULL)
+ goto fail_set;
+
+ if (env_params && (env = pam_getenv(pamh, "SELINUX_ROLE_REQUESTED")) != NULL && env[0] != '\0') {
+ if (debug)
+ pam_syslog(pamh, LOG_NOTICE, "Requested role: %s", env);
+
+ if (get_default_type(env, &type)) {
+ pam_syslog(pamh, LOG_NOTICE, "No default type for role %s", env);
+ goto fail_set;
+ } else {
+ if (context_role_set(new_context, env))
+ goto fail_set;
+ if (context_type_set(new_context, type))
+ goto fail_set;
+ }
+ }
+
+ if (mls_enabled) {
+ if ((env = pam_getenv(pamh, "SELINUX_USE_CURRENT_RANGE")) != NULL && env[0] == '1') {
+ if (debug)
+ pam_syslog(pamh, LOG_NOTICE, "SELINUX_USE_CURRENT_RANGE is set");
+ use_current_range = 1;
+ }
+
+ if (use_current_range) {
+ security_context_t mycon = NULL;
+
+ if (getcon(&mycon) != 0)
+ goto fail_set;
+ my_context = context_new(mycon);
+ if (my_context == NULL) {
+ freecon(mycon);
+ goto fail_set;
+ }
+ freecon(mycon);
+ env = context_range_get(my_context);
+ } else {
+ env = pam_getenv(pamh, "SELINUX_LEVEL_REQUESTED");
+ }
+
+ if (env != NULL && env[0] != '\0') {
+ if (debug)
+ pam_syslog(pamh, LOG_NOTICE, "Requested level: %s", env);
+ if (context_range_set(new_context, env))
+ goto fail_set;
+ }
+ }
+
+ newcon = strdup(context_str(new_context));
+ if (newcon == NULL)
+ goto fail_set;
+
+ if (debug)
+ pam_syslog(pamh, LOG_NOTICE, "Selected Security Context %s", newcon);
+
+ /* Get the string value of the context and see if it is valid. */
+ if (security_check_context(newcon)) {
+ pam_syslog(pamh, LOG_NOTICE, "Not a valid security context %s", newcon);
+ send_audit_message(pamh, 0, defaultcon, newcon);
+ freecon(newcon);
+ newcon = NULL;
+
+ goto fail_set;
+ }
+
+ /* we have to check that this user is allowed to go into the
+ range they have specified ... role is tied to an seuser, so that'll
+ be checked at setexeccon time */
+ if (mls_enabled && !mls_range_allowed(pamh, defaultcon, newcon, debug)) {
+ pam_syslog(pamh, LOG_NOTICE, "Security context %s is not allowed for %s", defaultcon, newcon);
+ send_audit_message(pamh, 0, defaultcon, newcon);
+ freecon(newcon);
+ newcon = NULL;
+ }
+
+ fail_set:
+ free(type);
+ context_free(my_context);
+ context_free(new_context);
+ send_audit_message(pamh, 0, defaultcon, NULL);
+ return newcon;
+}
+
static void
security_restorelabel_tty(const pam_handle_t *pamh,
const char *tty, security_context_t context)
@@ -439,13 +569,14 @@ PAM_EXTERN int
pam_sm_open_session(pam_handle_t *pamh, int flags UNUSED,
int argc, const char **argv)
{
- int i, debug = 0, ttys=1, has_tty=isatty(0);
+ int i, debug = 0, ttys=1;
int verbose=0, close_session=0;
int select_context = 0;
int use_current_range = 0;
int ret = 0;
security_context_t* contextlist = NULL;
int num_contexts = 0;
+ int env_params = 0;
const char *username = NULL;
const void *tty = NULL;
char *seuser=NULL;
@@ -472,13 +603,16 @@ pam_sm_open_session(pam_handle_t *pamh,
if (strcmp(argv[i], "use_current_range") == 0) {
use_current_range = 1;
}
+ if (strcmp(argv[i], "env_params") == 0) {
+ env_params = 1;
+ }
}
if (debug)
pam_syslog(pamh, LOG_NOTICE, "Open Session");
- if (select_context && use_current_range) {
- pam_syslog(pamh, LOG_ERR, "select_context cannot be used with use_current_range");
+ if (select_context && env_params) {
+ pam_syslog(pamh, LOG_ERR, "select_context cannot be used with env_params");
select_context = 0;
}
@@ -510,12 +644,17 @@ pam_sm_open_session(pam_handle_t *pamh,
freeconary(contextlist);
if (default_user_context == NULL) {
pam_syslog(pamh, LOG_ERR, "Out of memory");
- return PAM_AUTH_ERR;
+ return PAM_BUF_ERR;
}
+
user_context = default_user_context;
- if (select_context && has_tty) {
- user_context = config_context(pamh, default_user_context, debug);
- if (user_context == NULL) {
+ if (select_context) {
+ user_context = config_context(pamh, default_user_context, use_current_range, debug);
+ } else if (env_params || use_current_range) {
+ user_context = context_from_env(pamh, default_user_context, env_params, use_current_range, debug);
+ }
+
+ if (user_context == NULL) {
freecon(default_user_context);
pam_syslog(pamh, LOG_ERR, "Unable to get valid context for %s",
username);
@@ -524,11 +663,9 @@ pam_sm_open_session(pam_handle_t *pamh,
return PAM_AUTH_ERR;
else
return PAM_SUCCESS;
- }
- }
+ }
}
else {
- if (has_tty) {
user_context = manual_context(pamh,seuser,debug);
if (user_context == NULL) {
pam_syslog (pamh, LOG_ERR, "Unable to get valid context for %s",
@@ -538,59 +675,6 @@ pam_sm_open_session(pam_handle_t *pamh,
else
return PAM_SUCCESS;
}
- } else {
- pam_syslog (pamh, LOG_ERR,
- "Unable to get valid context for %s, No valid tty",
- username);
- if (security_getenforce() == 1)
- return PAM_AUTH_ERR;
- else
- return PAM_SUCCESS;
- }
- }
-
- if (use_current_range && is_selinux_mls_enabled()) {
- security_context_t process_context=NULL;
- if (getcon(&process_context) == 0) {
- context_t pcon, ucon;
- char *process_level=NULL;
- security_context_t orig_context;
-
- if (user_context)
- orig_context = user_context;
- else
- orig_context = default_user_context;
-
- pcon = context_new(process_context);
- freecon(process_context);
- process_level = strdup(context_range_get(pcon));
- context_free(pcon);
-
- if (debug)
- pam_syslog (pamh, LOG_DEBUG, "process level=%s", process_level);
-
- ucon = context_new(orig_context);
-
- context_range_set(ucon, process_level);
- free(process_level);
-
- if (!mls_range_allowed(pamh, orig_context, context_str(ucon), debug)) {
- send_text(pamh, _("Requested MLS level not in permitted range"), debug);
- /* even if default_user_context is NULL audit that anyway */
- send_audit_message(pamh, 0, default_user_context, context_str(ucon));
- context_free(ucon);
- return PAM_AUTH_ERR;
- }
-
- if (debug)
- pam_syslog (pamh, LOG_DEBUG, "adjusted context=%s", context_str(ucon));
-
- /* replace the user context with the level adjusted one */
- freecon(user_context);
- user_context = strdup(context_str(ucon));
-
- context_free(ucon);
- }
}
if (getexeccon(&prev_user_context)<0) {
@@ -613,7 +697,7 @@ pam_sm_open_session(pam_handle_t *pamh,
}
}
}
- if(ttys && tty ) {
+ if (ttys && tty) {
ttyn=strdup(tty);
ttyn_context=security_label_tty(pamh,ttyn,user_context);
}

16
pam-1.0.0-sepermit-screensaver.patch
View File

@ -1,16 +0,0 @@
Index: pam_sepermit.c
===================================================================
RCS file: /cvsroot/pam/Linux-PAM/modules/pam_sepermit/pam_sepermit.c,v
retrieving revision 1.3
diff -u -p -r1.3 pam_sepermit.c
--- Linux-PAM/modules/pam_sepermit/pam_sepermit.c.orig 31 Mar 2008 10:31:50 -0000 1.3
+++ Linux-PAM/modules/pam_sepermit/pam_sepermit.c 15 Apr 2008 16:30:38 -0000
@@ -305,7 +305,7 @@ sepermit_match(pam_handle_t *pamh, const
free(line);
fclose(f);
if (matched)
- return exclusive ? sepermit_lock(pamh, user, debug) : 0;
+ return (geteuid() == 0 && exclusive) ? sepermit_lock(pamh, user, debug) : 0;
else
return -1;
}

22
pam-1.0.1-autoreconf.patch
View File

@ -1,22 +0,0 @@
diff -up Linux-PAM-1.0.1/configure.in.autoreconf Linux-PAM-1.0.1/configure.in
--- Linux-PAM-1.0.1/configure.in.autoreconf 2008-05-19 17:45:00.000000000 +0200
+++ Linux-PAM-1.0.1/configure.in 2008-05-20 15:24:54.000000000 +0200
@@ -72,7 +72,7 @@ fi
AM_CONDITIONAL([STATIC_MODULES], [test "$STATIC_MODULES" != "no"])
dnl Checks for programs.
-AC_GNU_SOURCE
+AC_USE_SYSTEM_EXTENSIONS
AC_PROG_CC
AC_PROG_YACC
AM_PROG_LEX
@@ -491,8 +491,7 @@ AM_GNU_GETTEXT_VERSION
AM_GNU_GETTEXT([external])
AC_CHECK_FUNCS(dngettext)
-AH_VERBATIM([_ZZENABLE_NLS],
-[#ifdef ENABLE_NLS
+AH_BOTTOM([#ifdef ENABLE_NLS
#include <libintl.h>
#define _(msgid) dgettext(PACKAGE, msgid)
#define N_(msgid) msgid

47
pam-1.0.1-cracklib-try-first-pass.patch
View File

@ -1,47 +0,0 @@
diff -up Linux-PAM-1.0.1/modules/pam_cracklib/pam_cracklib.c.try-first-pass Linux-PAM-1.0.1/modules/pam_cracklib/pam_cracklib.c
--- Linux-PAM-1.0.1/modules/pam_cracklib/pam_cracklib.c.try-first-pass 2008-03-05 21:21:38.000000000 +0100
+++ Linux-PAM-1.0.1/modules/pam_cracklib/pam_cracklib.c 2008-09-05 21:35:18.000000000 +0200
@@ -98,6 +98,7 @@ struct cracklib_options {
int oth_credit;
int min_class;
int use_authtok;
+ int try_first_pass;
char prompt_type[BUFSIZ];
const char *cracklib_dictpath;
};
@@ -169,6 +170,10 @@ _pam_parse (pam_handle_t *pamh, struct c
opt->min_class = 4 ;
} else if (!strncmp(*argv,"use_authtok",11)) {
opt->use_authtok = 1;
+ } else if (!strncmp(*argv,"use_first_pass",14)) {
+ opt->use_authtok = 1;
+ } else if (!strncmp(*argv,"try_first_pass",14)) {
+ opt->try_first_pass = 1;
} else if (!strncmp(*argv,"dictpath=",9)) {
opt->cracklib_dictpath = *argv+9;
if (!*(opt->cracklib_dictpath)) {
@@ -619,7 +624,7 @@ PAM_EXTERN int pam_sm_chauthtok(pam_hand
* set PAM_AUTHTOK and return
*/
- if (options.use_authtok == 1) {
+ if (options.use_authtok == 1 || options.try_first_pass == 1) {
const void *item = NULL;
retval = pam_get_item(pamh, PAM_AUTHTOK, &item);
@@ -630,11 +635,13 @@ PAM_EXTERN int pam_sm_chauthtok(pam_hand
} else if (item != NULL) { /* we have a password! */
token1 = x_strdup(item);
item = NULL;
+ options.use_authtok = 1; /* don't ask for the password again */
} else {
retval = PAM_AUTHTOK_RECOVERY_ERR; /* didn't work */
}
-
- } else {
+ }
+
+ if (options.use_authtok != 1) {
/* Prepare to ask the user for the first time */
resp = NULL;
retval = pam_prompt (pamh, PAM_PROMPT_ECHO_OFF, &resp,

679
pam-1.0.1-namespace-create.patch
View File

@ -1,679 +0,0 @@
diff -up Linux-PAM-1.0.1/modules/pam_namespace/pam_namespace.c.create Linux-PAM-1.0.1/modules/pam_namespace/pam_namespace.c
--- Linux-PAM-1.0.1/modules/pam_namespace/pam_namespace.c.create 2008-03-20 18:06:32.000000000 +0100
+++ Linux-PAM-1.0.1/modules/pam_namespace/pam_namespace.c 2008-04-03 17:32:28.000000000 +0200
@@ -32,6 +32,8 @@
* DEALINGS IN THE SOFTWARE.
*/
+#define _ATFILE_SOURCE
+
#include "pam_namespace.h"
#include "argv_parse.h"
@@ -78,11 +80,29 @@ static void del_polydir_list(struct poly
}
}
-static void cleanup_data(pam_handle_t *pamh UNUSED , void *data, int err UNUSED)
+static void unprotect_dirs(struct protect_dir_s *dir)
+{
+ struct protect_dir_s *next;
+
+ while (dir != NULL) {
+ umount(dir->dir);
+ free(dir->dir);
+ next = dir->next;
+ free(dir);
+ dir = next;
+ }
+}
+
+static void cleanup_polydir_data(pam_handle_t *pamh UNUSED , void *data, int err UNUSED)
{
del_polydir_list(data);
}
+static void cleanup_protect_data(pam_handle_t *pamh UNUSED , void *data, int err UNUSED)
+{
+ unprotect_dirs(data);
+}
+
static char *expand_variables(const char *orig, const char *var_names[], const char *var_values[])
{
const char *src = orig;
@@ -132,8 +152,8 @@ static char *expand_variables(const char
static int parse_create_params(char *params, struct polydir_s *poly)
{
- char *sptr;
- struct passwd *pwd;
+ char *next;
+ struct passwd *pwd = NULL;
struct group *grp;
poly->mode = (mode_t)ULONG_MAX;
@@ -144,28 +164,40 @@ static int parse_create_params(char *par
return 0;
params++;
- params = strtok_r(params, ",", &sptr);
- if (params == NULL)
- return 0;
+ next = strchr(params, ',');
+ if (next != NULL) {
+ *next = '\0';
+ next++;
+ }
- errno = 0;
- poly->mode = (mode_t)strtoul(params, NULL, 0);
- if (errno != 0) {
- poly->mode = (mode_t)ULONG_MAX;
+ if (*params != '\0') {
+ errno = 0;
+ poly->mode = (mode_t)strtoul(params, NULL, 0);
+ if (errno != 0) {
+ poly->mode = (mode_t)ULONG_MAX;
+ }
}
- params = strtok_r(NULL, ",", &sptr);
+ params = next;
if (params == NULL)
return 0;
+ next = strchr(params, ',');
+ if (next != NULL) {
+ *next = '\0';
+ next++;
+ }
- pwd = getpwnam(params); /* session modules are not reentrant */
- if (pwd == NULL)
- return -1;
- poly->owner = pwd->pw_uid;
-
- params = strtok_r(NULL, ",", &sptr);
- if (params == NULL) {
- poly->group = pwd->pw_gid;
+ if (*params != '\0') {
+ pwd = getpwnam(params); /* session modules are not reentrant */
+ if (pwd == NULL)
+ return -1;
+ poly->owner = pwd->pw_uid;
+ }
+
+ params = next;
+ if (params == NULL || *params == '\0') {
+ if (pwd != NULL)
+ poly->group = pwd->pw_gid;
return 0;
}
grp = getgrnam(params);
@@ -199,7 +231,7 @@ static int parse_method(char *method, st
struct instance_data *idata)
{
enum polymethod pm;
- char *sptr;
+ char *sptr = NULL;
static const char *method_names[] = { "user", "context", "level", "tmpdir",
"tmpfs", NULL };
static const char *flag_names[] = { "create", "noinit", "iscript",
@@ -921,10 +953,158 @@ fail:
return rc;
}
+static int protect_mount(int dfd, const char *path, struct instance_data *idata)
+{
+ struct protect_dir_s *dir = idata->protect_dirs;
+ char tmpbuf[64];
+
+ while (dir != NULL) {
+ if (strcmp(path, dir->dir) == 0) {
+ return 0;
+ }
+ dir = dir->next;
+ }
+
+ dir = calloc(1, sizeof(*dir));
+
+ if (dir == NULL) {
+ return -1;
+ }
+
+ dir->dir = strdup(path);
+
+ if (dir->dir == NULL) {
+ free(dir);
+ return -1;
+ }
+
+ snprintf(tmpbuf, sizeof(tmpbuf), "/proc/self/fd/%d", dfd);
+
+ if (idata->flags & PAMNS_DEBUG) {
+ pam_syslog(idata->pamh, LOG_INFO,
+ "Protect mount of %s over itself", path);
+ }
+
+ if (mount(tmpbuf, tmpbuf, NULL, MS_BIND, NULL) != 0) {
+ int save_errno = errno;
+ pam_syslog(idata->pamh, LOG_ERR,
+ "Protect mount of %s failed: %m", tmpbuf);
+ free(dir->dir);
+ free(dir);
+ errno = save_errno;
+ return -1;
+ }
+
+ dir->next = idata->protect_dirs;
+ idata->protect_dirs = dir;
+
+ return 0;
+}
+
+static int protect_dir(const char *path, mode_t mode, int do_mkdir,
+ struct instance_data *idata)
+{
+ char *p = strdup(path);
+ char *d;
+ char *dir = p;
+ int dfd = AT_FDCWD;
+ int dfd_next;
+ int save_errno;
+ int flags = O_RDONLY;
+ int rv = -1;
+ struct stat st;
+
+ if (p == NULL) {
+ goto error;
+ }
+
+ if (*dir == '/') {
+ dfd = open("/", flags);
+ if (dfd == -1) {
+ goto error;
+ }
+ dir++; /* assume / is safe */
+ }
+
+ while ((d=strchr(dir, '/')) != NULL) {
+ *d = '\0';
+ dfd_next = openat(dfd, dir, flags);
+ if (dfd_next == -1) {
+ goto error;
+ }
+
+ if (dfd != AT_FDCWD)
+ close(dfd);
+ dfd = dfd_next;
+
+ if (fstat(dfd, &st) != 0) {
+ goto error;
+ }
+
+ if (flags & O_NOFOLLOW) {
+ /* we are inside user-owned dir - protect */
+ if (protect_mount(dfd, p, idata) == -1)
+ goto error;
+ } else if (st.st_uid != 0 || st.st_gid != 0 ||
+ (st.st_mode & S_IWOTH)) {
+ /* do not follow symlinks on subdirectories */
+ flags |= O_NOFOLLOW;
+ }
+
+ *d = '/';
+ dir = d + 1;
+ }
+
+ rv = openat(dfd, dir, flags);
+
+ if (rv == -1) {
+ if (!do_mkdir || mkdirat(dfd, dir, mode) != 0) {
+ goto error;
+ }
+ rv = openat(dfd, dir, flags);
+ }
+
+ if (rv != -1) {
+ if (fstat(rv, &st) != 0) {
+ save_errno = errno;
+ close(rv);
+ rv = -1;
+ errno = save_errno;
+ goto error;
+ }
+ if (!S_ISDIR(st.st_mode)) {
+ close(rv);
+ errno = ENOTDIR;
+ rv = -1;
+ goto error;
+ }
+ }
+
+ if (flags & O_NOFOLLOW) {
+ /* we are inside user-owned dir - protect */
+ if (protect_mount(rv, p, idata) == -1) {
+ save_errno = errno;
+ close(rv);
+ rv = -1;
+ errno = save_errno;
+ }
+ }
+
+error:
+ save_errno = errno;
+ free(p);
+ if (dfd != AT_FDCWD)
+ close(dfd);
+ errno = save_errno;
+
+ return rv;
+}
+
static int check_inst_parent(char *ipath, struct instance_data *idata)
{
struct stat instpbuf;
char *inst_parent, *trailing_slash;
+ int dfd;
/*
* stat the instance parent path to make sure it exists
* and is a directory. Check that its mode is 000 (unless the
@@ -942,30 +1122,27 @@ static int check_inst_parent(char *ipath
if (trailing_slash)
*trailing_slash = '\0';
- if (stat(inst_parent, &instpbuf) < 0) {
- pam_syslog(idata->pamh, LOG_ERR, "Error stating %s, %m", inst_parent);
- free(inst_parent);
- return PAM_SESSION_ERR;
- }
+ dfd = protect_dir(inst_parent, 0, 1, idata);
- /*
- * Make sure we are dealing with a directory
- */
- if (!S_ISDIR(instpbuf.st_mode)) {
- pam_syslog(idata->pamh, LOG_ERR, "Instance parent %s is not a dir",
- inst_parent);
+ if (dfd == -1 || fstat(dfd, &instpbuf) < 0) {
+ pam_syslog(idata->pamh, LOG_ERR,
+ "Error creating or accessing instance parent %s, %m", inst_parent);
+ if (dfd != -1)
+ close(dfd);
free(inst_parent);
return PAM_SESSION_ERR;
}
if ((idata->flags & PAMNS_IGN_INST_PARENT_MODE) == 0) {
- if (instpbuf.st_mode & (S_IRWXU|S_IRWXG|S_IRWXO)) {
- pam_syslog(idata->pamh, LOG_ERR, "Mode of inst parent %s not 000",
+ if ((instpbuf.st_mode & (S_IRWXU|S_IRWXG|S_IRWXO)) || instpbuf.st_uid != 0) {
+ pam_syslog(idata->pamh, LOG_ERR, "Mode of inst parent %s not 000 or owner not root",
inst_parent);
+ close(dfd);
free(inst_parent);
return PAM_SESSION_ERR;
}
}
+ close(dfd);
free(inst_parent);
return PAM_SUCCESS;
}
@@ -1051,6 +1228,8 @@ static int create_polydir(struct polydir
security_context_t dircon, oldcon = NULL;
#endif
const char *dir = polyptr->dir;
+ uid_t uid;
+ gid_t gid;
if (polyptr->mode != (mode_t)ULONG_MAX)
mode = polyptr->mode;
@@ -1077,8 +1256,8 @@ static int create_polydir(struct polydir
}
#endif
- rc = mkdir(dir, mode);
- if (rc != 0) {
+ rc = protect_dir(dir, mode, 1, idata);
+ if (rc == -1) {
pam_syslog(idata->pamh, LOG_ERR,
"Error creating directory %s: %m", dir);
return PAM_SESSION_ERR;
@@ -1098,36 +1277,41 @@ static int create_polydir(struct polydir
if (polyptr->mode != (mode_t)ULONG_MAX) {
/* explicit mode requested */
- if (chmod(dir, mode) != 0) {
+ if (fchmod(rc, mode) != 0) {
pam_syslog(idata->pamh, LOG_ERR,
"Error changing mode of directory %s: %m", dir);
+ close(rc);
+ umount(dir); /* undo the eventual protection bind mount */
rmdir(dir);
return PAM_SESSION_ERR;
}
}
- if (polyptr->owner != (uid_t)ULONG_MAX) {
- if (chown(dir, polyptr->owner, polyptr->group) != 0) {
- pam_syslog(idata->pamh, LOG_ERR,
- "Unable to change owner on directory %s: %m", dir);
- rmdir(dir);
- return PAM_SESSION_ERR;
- }
- if (idata->flags & PAMNS_DEBUG)
- pam_syslog(idata->pamh, LOG_DEBUG,
- "Polydir owner %u group %u from configuration", polyptr->owner, polyptr->group);
- } else {
- if (chown(dir, idata->uid, idata->gid) != 0) {
- pam_syslog(idata->pamh, LOG_ERR,
- "Unable to change owner on directory %s: %m", dir);
- rmdir(dir);
- return PAM_SESSION_ERR;
- }
- if (idata->flags & PAMNS_DEBUG)
- pam_syslog(idata->pamh, LOG_DEBUG,
- "Polydir owner %u group %u", idata->uid, idata->gid);
+ if (polyptr->owner != (uid_t)ULONG_MAX)
+ uid = polyptr->owner;
+ else
+ uid = idata->uid;
+
+ if (polyptr->group != (gid_t)ULONG_MAX)
+ gid = polyptr->group;
+ else
+ gid = idata->gid;
+
+ if (fchown(rc, uid, gid) != 0) {
+ pam_syslog(idata->pamh, LOG_ERR,
+ "Unable to change owner on directory %s: %m", dir);
+ close(rc);
+ umount(dir); /* undo the eventual protection bind mount */
+ rmdir(dir);
+ return PAM_SESSION_ERR;
}
+ close(rc);
+
+ if (idata->flags & PAMNS_DEBUG)
+ pam_syslog(idata->pamh, LOG_DEBUG,
+ "Polydir owner %u group %u", uid, gid);
+
return PAM_SUCCESS;
}
@@ -1135,17 +1319,16 @@ static int create_polydir(struct polydir
* Create polyinstantiated instance directory (ipath).
*/
#ifdef WITH_SELINUX
-static int create_dirs(struct polydir_s *polyptr, char *ipath, struct stat *statbuf,
+static int create_instance(struct polydir_s *polyptr, char *ipath, struct stat *statbuf,
security_context_t icontext, security_context_t ocontext,
struct instance_data *idata)
#else
-static int create_dirs(struct polydir_s *polyptr, char *ipath, struct stat *statbuf,
+static int create_instance(struct polydir_s *polyptr, char *ipath, struct stat *statbuf,
struct instance_data *idata)
#endif
{
struct stat newstatbuf;
int fd;
- int newdir = 0;
/*
* Check to make sure instance parent is valid.
@@ -1171,7 +1354,7 @@ static int create_dirs(struct polydir_s
strcpy(ipath, polyptr->instance_prefix);
} else if (mkdir(ipath, S_IRUSR) < 0) {
if (errno == EEXIST)
- goto inst_init;
+ return PAM_IGNORE;
else {
pam_syslog(idata->pamh, LOG_ERR, "Error creating %s, %m",
ipath);
@@ -1179,7 +1362,6 @@ static int create_dirs(struct polydir_s
}
}
- newdir = 1;
/* Open a descriptor to it to prevent races */
fd = open(ipath, O_DIRECTORY | O_RDONLY);
if (fd < 0) {
@@ -1235,33 +1417,22 @@ static int create_dirs(struct polydir_s
return PAM_SESSION_ERR;
}
close(fd);
-
- /*
- * Check to see if there is a namespace initialization script in
- * the /etc/security directory. If such a script exists
- * execute it and pass directory to polyinstantiate and instance
- * directory as arguments.
- */
-
-inst_init:
- if (polyptr->flags & POLYDIR_NOINIT)
- return PAM_SUCCESS;
-
- return inst_init(polyptr, ipath, idata, newdir);
+ return PAM_SUCCESS;
}
/*
* This function performs the namespace setup for a particular directory
- * that is being polyinstantiated. It creates an MD5 hash of instance
- * directory, calls create_dirs to create it with appropriate
+ * that is being polyinstantiated. It calls poly_name to create name of instance
+ * directory, calls create_instance to mkdir it with appropriate
* security attributes, and performs bind mount to setup the process
* namespace.
*/
static int ns_setup(struct polydir_s *polyptr,
struct instance_data *idata)
{
- int retval = 0;
+ int retval;
+ int newdir = 1;
char *inst_dir = NULL;
char *instname = NULL;
struct stat statbuf;
@@ -1273,37 +1444,40 @@ static int ns_setup(struct polydir_s *po
pam_syslog(idata->pamh, LOG_DEBUG,
"Set namespace for directory %s", polyptr->dir);
- while (stat(polyptr->dir, &statbuf) < 0) {
- if (retval || !(polyptr->flags & POLYDIR_CREATE)) {
- pam_syslog(idata->pamh, LOG_ERR, "Error stating %s, %m",
- polyptr->dir);
- return PAM_SESSION_ERR;
- } else {
- if (create_polydir(polyptr, idata) != PAM_SUCCESS)
- return PAM_SESSION_ERR;
- retval = PAM_SESSION_ERR; /* bail out on next failed stat */
- }
- }
+ retval = protect_dir(polyptr->dir, 0, 0, idata);
- /*
- * Make sure we are dealing with a directory
- */
- if (!S_ISDIR(statbuf.st_mode)) {
- pam_syslog(idata->pamh, LOG_ERR, "Polydir %s is not a dir",
+ if (retval < 0 && errno != ENOENT) {
+ pam_syslog(idata->pamh, LOG_ERR, "Polydir %s access error: %m",
polyptr->dir);
- return PAM_SESSION_ERR;
+ return PAM_SESSION_ERR;
}
+ if (retval < 0 && (polyptr->flags & POLYDIR_CREATE)) {
+ if (create_polydir(polyptr, idata) != PAM_SUCCESS)
+ return PAM_SESSION_ERR;
+ } else {
+ close(retval);
+ }
+
if (polyptr->method == TMPFS) {
if (mount("tmpfs", polyptr->dir, "tmpfs", 0, NULL) < 0) {
pam_syslog(idata->pamh, LOG_ERR, "Error mounting tmpfs on %s, %m",
polyptr->dir);
return PAM_SESSION_ERR;
}
- /* we must call inst_init after the mount in this case */
+
+ if (polyptr->flags & POLYDIR_NOINIT)
+ return PAM_SUCCESS;
+
return inst_init(polyptr, "tmpfs", idata, 1);
}
+ if (stat(polyptr->dir, &statbuf) < 0) {
+ pam_syslog(idata->pamh, LOG_ERR, "Error stating %s: %m",
+ polyptr->dir);
+ return PAM_SESSION_ERR;
+ }
+
/*
* Obtain the name of instance pathname based on the
* polyinstantiation method and instance context returned by
@@ -1341,14 +1515,18 @@ static int ns_setup(struct polydir_s *po
* contexts, owner, group and mode bits.
*/
#ifdef WITH_SELINUX
- retval = create_dirs(polyptr, inst_dir, &statbuf, instcontext,
+ retval = create_instance(polyptr, inst_dir, &statbuf, instcontext,
origcontext, idata);
#else
- retval = create_dirs(polyptr, inst_dir, &statbuf, idata);
+ retval = create_instance(polyptr, inst_dir, &statbuf, idata);
#endif
- if (retval < 0) {
- pam_syslog(idata->pamh, LOG_ERR, "Error creating instance dir");
+ if (retval == PAM_IGNORE) {
+ newdir = 0;
+ retval = PAM_SUCCESS;
+ }
+
+ if (retval != PAM_SUCCESS) {
goto error_out;
}
@@ -1363,6 +1541,9 @@ static int ns_setup(struct polydir_s *po
goto error_out;
}
+ if (!(polyptr->flags & POLYDIR_NOINIT))
+ retval = inst_init(polyptr, inst_dir, idata, newdir);
+
goto cleanup;
/*
@@ -1600,12 +1781,21 @@ static int setup_namespace(struct instan
}
}
out:
- if (retval != PAM_SUCCESS)
+ if (retval != PAM_SUCCESS) {
+ cleanup_tmpdirs(idata);
+ unprotect_dirs(idata->protect_dirs);
+ } else if (pam_set_data(idata->pamh, NAMESPACE_PROTECT_DATA, idata->protect_dirs,
+ cleanup_protect_data) != PAM_SUCCESS) {
+ pam_syslog(idata->pamh, LOG_ERR, "Unable to set namespace protect data");
cleanup_tmpdirs(idata);
- else if (pam_set_data(idata->pamh, NAMESPACE_POLYDIR_DATA, idata->polydirs_ptr,
- cleanup_data) != PAM_SUCCESS) {
- pam_syslog(idata->pamh, LOG_ERR, "Unable to set namespace data");
+ unprotect_dirs(idata->protect_dirs);
+ return PAM_SYSTEM_ERR;
+ } else if (pam_set_data(idata->pamh, NAMESPACE_POLYDIR_DATA, idata->polydirs_ptr,
+ cleanup_polydir_data) != PAM_SUCCESS) {
+ pam_syslog(idata->pamh, LOG_ERR, "Unable to set namespace polydir data");
cleanup_tmpdirs(idata);
+ pam_set_data(idata->pamh, NAMESPACE_PROTECT_DATA, NULL, NULL);
+ idata->protect_dirs = NULL;
return PAM_SYSTEM_ERR;
}
return retval;
@@ -1742,6 +1932,7 @@ PAM_EXTERN int pam_sm_open_session(pam_h
/* init instance data */
idata.flags = 0;
idata.polydirs_ptr = NULL;
+ idata.protect_dirs = NULL;
idata.pamh = pamh;
#ifdef WITH_SELINUX
if (is_selinux_enabled())
@@ -1893,6 +2084,7 @@ PAM_EXTERN int pam_sm_close_session(pam_
}
pam_set_data(idata.pamh, NAMESPACE_POLYDIR_DATA, NULL, NULL);
+ pam_set_data(idata.pamh, NAMESPACE_PROTECT_DATA, NULL, NULL);
return PAM_SUCCESS;
}
diff -up Linux-PAM-1.0.1/modules/pam_namespace/pam_namespace.h.create Linux-PAM-1.0.1/modules/pam_namespace/pam_namespace.h
--- Linux-PAM-1.0.1/modules/pam_namespace/pam_namespace.h.create 2008-02-13 13:49:44.000000000 +0100
+++ Linux-PAM-1.0.1/modules/pam_namespace/pam_namespace.h 2008-03-20 18:07:29.000000000 +0100
@@ -107,6 +107,7 @@
#define NAMESPACE_MAX_DIR_LEN 80
#define NAMESPACE_POLYDIR_DATA "pam_namespace:polydir_data"
+#define NAMESPACE_PROTECT_DATA "pam_namespace:protect_data"
/*
* Polyinstantiation method options, based on user, security context
@@ -156,9 +157,15 @@ struct polydir_s {
struct polydir_s *next; /* pointer to the next polydir entry */
};
+struct protect_dir_s {
+ char *dir; /* protected directory */
+ struct protect_dir_s *next; /* next entry */
+};
+
struct instance_data {
pam_handle_t *pamh; /* The pam handle for this instance */
struct polydir_s *polydirs_ptr; /* The linked list pointer */
+ struct protect_dir_s *protect_dirs; /* The pointer to stack of mount-protected dirs */
char user[LOGIN_NAME_MAX]; /* User name */
char ruser[LOGIN_NAME_MAX]; /* Requesting user name */
uid_t uid; /* The uid of the user */
@@ -166,3 +173,4 @@ struct instance_data {
uid_t ruid; /* The uid of the requesting user */
unsigned long flags; /* Flags for debug, selinux etc */
};
+
diff -up Linux-PAM-1.0.1/modules/pam_namespace/namespace.conf.5.xml.create Linux-PAM-1.0.1/modules/pam_namespace/namespace.conf.5.xml
--- Linux-PAM-1.0.1/modules/pam_namespace/namespace.conf.5.xml.create 2008-02-13 13:49:44.000000000 +0100
+++ Linux-PAM-1.0.1/modules/pam_namespace/namespace.conf.5.xml 2008-04-18 14:38:57.000000000 +0200
@@ -25,8 +25,8 @@
Directories can be polyinstantiated based on user name
or, in the case of SELinux, user name, sensitivity level or complete security context. If an
executable script <filename>/etc/security/namespace.init</filename>
- exists, it is used to initialize the namespace every time a new instance
- directory is setup. The script receives the polyinstantiated
+ exists, it is used to initialize the namespace every time an instance
+ directory is set up and mounted. The script receives the polyinstantiated
directory path and the instance directory path as its arguments.
</para>
diff -up Linux-PAM-1.0.1/modules/pam_namespace/pam_namespace.8.xml.create Linux-PAM-1.0.1/modules/pam_namespace/pam_namespace.8.xml
--- Linux-PAM-1.0.1/modules/pam_namespace/pam_namespace.8.xml.create 2008-02-13 13:49:44.000000000 +0100
+++ Linux-PAM-1.0.1/modules/pam_namespace/pam_namespace.8.xml 2008-04-18 14:40:54.000000000 +0200
@@ -64,11 +64,11 @@
provides a different instance of itself based on user name, or when
using SELinux, user name, security context or both. If an executable
script <filename>/etc/security/namespace.init</filename> exists, it
- is used to initialize the namespace every time a new instance
- directory is setup. The script receives the polyinstantiated
- directory path, the instance directory path, flag whether the instance
- directory was newly created (0 for no, 1 for yes), and the user name
- as its arguments.
+ is used to initialize the instance directory after it is set up
+ and mounted on the polyinstantiated direcory. The script receives the
+ polyinstantiated directory path, the instance directory path, flag
+ whether the instance directory was newly created (0 for no, 1 for yes),
+ and the user name as its arguments.
</para>
<para>

27
pam-1.0.1-tally-fail-close.patch
View File

@ -1,27 +0,0 @@
diff -up Linux-PAM-1.0.1/modules/pam_tally/pam_tally.c.fail-close Linux-PAM-1.0.1/modules/pam_tally/pam_tally.c
--- Linux-PAM-1.0.1/modules/pam_tally/pam_tally.c.fail-close 2007-11-20 11:58:11.000000000 +0100
+++ Linux-PAM-1.0.1/modules/pam_tally/pam_tally.c 2008-09-05 21:54:31.000000000 +0200
@@ -325,6 +325,7 @@ get_tally(pam_handle_t *pamh, tally_t *t
}
lstat_ret = fstat(fileno(*TALLY),&fileinfo);
fclose(*TALLY);
+ *TALLY = NULL;
}
if ( lstat_ret ) {
@@ -355,6 +356,7 @@ get_tally(pam_handle_t *pamh, tally_t *t
if ( fseeko( *TALLY, (off_t) uid * sizeof(struct faillog), SEEK_SET ) ) {
pam_syslog(pamh, LOG_ALERT, "fseek failed for %s", filename);
fclose(*TALLY);
+ *TALLY = NULL;
return PAM_AUTH_ERR;
}
@@ -403,6 +405,7 @@ set_tally(pam_handle_t *pamh, tally_t ta
}
if ( fclose(*TALLY) ) {
+ *TALLY = NULL;
pam_syslog(pamh, LOG_ALERT, "update (fclose) failed for %s", filename);
return PAM_AUTH_ERR;
}

31
pam-1.0.1-unix-prompts.patch
View File

@ -1,31 +0,0 @@
diff -up Linux-PAM-1.0.1/modules/pam_unix/pam_unix_passwd.c.prompts Linux-PAM-1.0.1/modules/pam_unix/pam_unix_passwd.c
--- Linux-PAM-1.0.1/modules/pam_unix/pam_unix_passwd.c.prompts 2008-02-29 16:22:03.000000000 +0100
+++ Linux-PAM-1.0.1/modules/pam_unix/pam_unix_passwd.c 2008-04-24 13:27:29.000000000 +0200
@@ -699,6 +699,10 @@ PAM_EXTERN int pam_sm_chauthtok(pam_hand
pass_new = NULL;
}
retval = _pam_unix_approve_pass(pamh, ctrl, pass_old, pass_new);
+
+ if (retval != PAM_SUCCESS && off(UNIX_NOT_SET_PASS, ctrl)) {
+ pam_set_item(pamh, PAM_AUTHTOK, NULL);
+ }
}
if (retval != PAM_SUCCESS) {
diff -up Linux-PAM-1.0.1/modules/pam_unix/support.c.prompts Linux-PAM-1.0.1/modules/pam_unix/support.c
--- Linux-PAM-1.0.1/modules/pam_unix/support.c.prompts 2008-01-23 16:35:13.000000000 +0100
+++ Linux-PAM-1.0.1/modules/pam_unix/support.c 2008-04-24 14:49:21.000000000 +0200
@@ -743,11 +743,11 @@ int _unix_read_password(pam_handle_t * p
return retval;
} else if (*pass != NULL) { /* we have a password! */
return PAM_SUCCESS;
- } else if (on(UNIX_USE_FIRST_PASS, ctrl)) {
- return PAM_AUTHTOK_RECOVERY_ERR; /* didn't work */
} else if (on(UNIX_USE_AUTHTOK, ctrl)
&& off(UNIX__OLD_PASSWD, ctrl)) {
return PAM_AUTHTOK_ERR;
+ } else if (on(UNIX_USE_FIRST_PASS, ctrl)) {
+ return PAM_AUTHTOK_RECOVERY_ERR; /* didn't work */
}
}
/*

257
pam-1.0.2-cracklib-pwquality.patch
View File

@ -1,257 +0,0 @@
diff -up Linux-PAM-1.0.2/modules/pam_cracklib/pam_cracklib.8.xml.pwquality Linux-PAM-1.0.2/modules/pam_cracklib/pam_cracklib.8.xml
--- Linux-PAM-1.0.2/modules/pam_cracklib/pam_cracklib.8.xml.pwquality 2007-11-06 15:58:54.000000000 +0100
+++ Linux-PAM-1.0.2/modules/pam_cracklib/pam_cracklib.8.xml 2008-09-23 15:06:40.000000000 +0200
@@ -59,7 +59,7 @@
<term>Palindrome</term>
<listitem>
<para>
- Is the new password a palindrome of the old one?
+ Is the new password a palindrome?
</para>
</listitem>
</varlistentry>
@@ -120,6 +120,23 @@
</para>
</listitem>
</varlistentry>
+ <varlistentry>
+ <term>Same consecutive characters</term>
+ <listitem>
+ <para>
+ Optional check for same consecutive characters.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>Contains user name</term>
+ <listitem>
+ <para>
+ Optional check whether the password contains the user's name
+ in some form.
+ </para>
+ </listitem>
+ </varlistentry>
</variablelist>
<para>
This module with no arguments will work well for standard unix
@@ -281,7 +298,7 @@
than 10.
</para>
<para>
- (N &gt; 0) This is the minimum number of upper
+ (N &lt; 0) This is the minimum number of upper
case letters that must be met for a new password.
</para>
</listitem>
@@ -349,6 +366,50 @@
<varlistentry>
<term>
+ <option>minclass=<replaceable>N</replaceable></option>
+ </term>
+ <listitem>
+ <para>
+ The minimum number of required classes of characters for
+ the new password. The default number is zero. The four
+ classes are digits, upper and lower letters and other
+ characters.
+ The difference to the <option>credit</option> check is
+ that a specific class if of characters is not required.
+ Instead <replaceable>N</replaceable> out of four of the
+ classes are required.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <option>maxrepeat=<replaceable>N</replaceable></option>
+ </term>
+ <listitem>
+ <para>
+ Reject passwords which contain more than N same consecutive
+ characters. The default is 0 which means that this check
+ is disabled.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <option>reject_username</option>
+ </term>
+ <listitem>
+ <para>
+ Check whether the name of the user in straight or reversed
+ form is contained in the new password. If it is found the
+ new password is rejected.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
<option>use_authtok</option>
</term>
<listitem>
@@ -495,7 +556,7 @@ password required pam_unix.so use_autht
<refentrytitle>pam.conf</refentrytitle><manvolnum>5</manvolnum>
</citerefentry>,
<citerefentry>
- <refentrytitle>pam.d</refentrytitle><manvolnum>8</manvolnum>
+ <refentrytitle>pam.d</refentrytitle><manvolnum>5</manvolnum>
</citerefentry>,
<citerefentry>
<refentrytitle>pam</refentrytitle><manvolnum>8</manvolnum>
diff -up Linux-PAM-1.0.2/modules/pam_cracklib/pam_cracklib.c.pwquality Linux-PAM-1.0.2/modules/pam_cracklib/pam_cracklib.c
--- Linux-PAM-1.0.2/modules/pam_cracklib/pam_cracklib.c.pwquality 2008-09-23 15:06:40.000000000 +0200
+++ Linux-PAM-1.0.2/modules/pam_cracklib/pam_cracklib.c 2008-09-23 15:10:14.000000000 +0200
@@ -99,6 +99,8 @@ struct cracklib_options {
int min_class;
int use_authtok;
int try_first_pass;
+ int max_repeat;
+ int reject_user;
char prompt_type[BUFSIZ];
const char *cracklib_dictpath;
};
@@ -166,8 +168,14 @@ _pam_parse (pam_handle_t *pamh, struct c
opt->min_class = strtol(*argv+9,&ep,10);
if (!ep)
opt->min_class = 0;
- if (opt->min_class > 4)
- opt->min_class = 4 ;
+ if (opt->min_class > 4)
+ opt->min_class = 4;
+ } else if (!strncmp(*argv,"maxrepeat=",10)) {
+ opt->max_repeat = strtol(*argv+10,&ep,10);
+ if (!ep)
+ opt->max_repeat = 0;
+ } else if (!strncmp(*argv,"reject_username",15)) {
+ opt->reject_user = 1;
} else if (!strncmp(*argv,"use_authtok",11)) {
opt->use_authtok = 1;
} else if (!strncmp(*argv,"use_first_pass",14)) {
@@ -418,6 +426,58 @@ static int simple(struct cracklib_option
return 1;
}
+static int consecutive(struct cracklib_options *opt, const char *new)
+{
+ char c;
+ int i;
+ int same;
+
+ if (opt->max_repeat == 0)
+ return 0;
+
+ for (i = 0; new[i]; i++) {
+ if (i > 0 && new[i] == c) {
+ ++same;
+ if (same > opt->max_repeat)
+ return 1;
+ } else {
+ c = new[i];
+ same = 1;
+ }
+ }
+ return 0;
+}
+
+static int usercheck(struct cracklib_options *opt, const char *new,
+ char *user)
+{
+ char *f, *b;
+
+ if (!opt->reject_user)
+ return 0;
+
+ if (strstr(new, user) != NULL)
+ return 1;
+
+ /* now reverse the username, we can do that in place
+ as it is strdup-ed */
+ f = user;
+ b = user+strlen(user)-1;
+ while (f < b) {
+ char c;
+
+ c = *f;
+ *f = *b;
+ *b = c;
+ --b;
+ ++f;
+ }
+
+ if (strstr(new, user) != NULL)
+ return 1;
+ return 0;
+}
+
static char * str_lower(char *string)
{
char *cp;
@@ -428,10 +488,12 @@ static char * str_lower(char *string)
}
static const char *password_check(struct cracklib_options *opt,
- const char *old, const char *new)
+ const char *old, const char *new,
+ const char *user)
{
const char *msg = NULL;
char *oldmono = NULL, *newmono, *wrapped = NULL;
+ char *usermono = NULL;
if (old && strcmp(new, old) == 0) {
msg = _("is the same as the old one");
@@ -439,6 +501,7 @@ static const char *password_check(struct
}
newmono = str_lower(x_strdup(new));
+ usermono = str_lower(x_strdup(user));
if (old) {
oldmono = str_lower(x_strdup(old));
wrapped = malloc(strlen(oldmono) * 2 + 1);
@@ -464,8 +527,15 @@ static const char *password_check(struct
if (!msg && minclass (opt, new))
msg = _("not enough character classes");
+ if (!msg && consecutive(opt, new))
+ msg = _("contains too many same characters consecutively");
+
+ if (!msg && usercheck(opt, newmono, usermono))
+ msg = _("contains the user name in some form");
+
memset(newmono, 0, strlen(newmono));
free(newmono);
+ free(usermono);
if (old) {
memset(oldmono, 0, strlen(oldmono));
memset(wrapped, 0, strlen(wrapped));
@@ -532,18 +602,18 @@ static int _pam_unix_approve_pass(pam_ha
return PAM_AUTHTOK_ERR;
}
+ retval = pam_get_item(pamh, PAM_USER, &user);
+ if (retval != PAM_SUCCESS || user == NULL) {
+ if (ctrl & PAM_DEBUG_ARG)
+ pam_syslog(pamh,LOG_ERR,"Can not get username");
+ return PAM_AUTHTOK_ERR;
+ }
/*
* if one wanted to hardwire authentication token strength
* checking this would be the place
*/
- msg = password_check(opt, pass_old, pass_new);
+ msg = password_check(opt, pass_old, pass_new, user);
if (!msg) {
- retval = pam_get_item(pamh, PAM_USER, &user);
- if (retval != PAM_SUCCESS || user == NULL) {
- if (ctrl & PAM_DEBUG_ARG)
- pam_syslog(pamh,LOG_ERR,"Can not get username");
- return PAM_AUTHTOK_ERR;
- }
msg = check_old_password(user, pass_new);
}

75
pam-1.0.2-many-groups.patch
View File

@ -1,75 +0,0 @@
diff -up Linux-PAM-1.0.2/libpam/pam_modutil_getpwnam.c.many-groups Linux-PAM-1.0.2/libpam/pam_modutil_getpwnam.c
--- Linux-PAM-1.0.2/libpam/pam_modutil_getpwnam.c.many-groups 2007-08-30 06:00:39.000000000 +0200
+++ Linux-PAM-1.0.2/libpam/pam_modutil_getpwnam.c 2008-09-23 15:59:46.000000000 +0200
@@ -104,7 +104,7 @@ pam_modutil_getpwnam(pam_handle_t *pamh,
break;
}
- length <<= 2;
+ length <<= PWD_LENGTH_SHIFT;
} while (length < PWD_ABSURD_PWD_LENGTH);
diff -up Linux-PAM-1.0.2/libpam/pam_modutil_getpwuid.c.many-groups Linux-PAM-1.0.2/libpam/pam_modutil_getpwuid.c
--- Linux-PAM-1.0.2/libpam/pam_modutil_getpwuid.c.many-groups 2007-08-30 06:00:39.000000000 +0200
+++ Linux-PAM-1.0.2/libpam/pam_modutil_getpwuid.c 2008-09-23 15:59:59.000000000 +0200
@@ -115,7 +115,7 @@ pam_modutil_getpwuid(pam_handle_t *pamh,
break;
}
- length <<= 2;
+ length <<= PWD_LENGTH_SHIFT;
} while (length < PWD_ABSURD_PWD_LENGTH);
diff -up Linux-PAM-1.0.2/libpam/pam_modutil_getgrnam.c.many-groups Linux-PAM-1.0.2/libpam/pam_modutil_getgrnam.c
--- Linux-PAM-1.0.2/libpam/pam_modutil_getgrnam.c.many-groups 2007-08-30 06:00:39.000000000 +0200
+++ Linux-PAM-1.0.2/libpam/pam_modutil_getgrnam.c 2008-09-23 15:59:29.000000000 +0200
@@ -104,7 +104,7 @@ pam_modutil_getgrnam(pam_handle_t *pamh,
break;
}
- length <<= 2;
+ length <<= PWD_LENGTH_SHIFT;
} while (length < PWD_ABSURD_PWD_LENGTH);
diff -up Linux-PAM-1.0.2/libpam/pam_modutil_getspnam.c.many-groups Linux-PAM-1.0.2/libpam/pam_modutil_getspnam.c
--- Linux-PAM-1.0.2/libpam/pam_modutil_getspnam.c.many-groups 2007-08-30 06:00:39.000000000 +0200
+++ Linux-PAM-1.0.2/libpam/pam_modutil_getspnam.c 2008-09-23 16:00:11.000000000 +0200
@@ -104,7 +104,7 @@ pam_modutil_getspnam(pam_handle_t *pamh,
break;
}
- length <<= 2;
+ length <<= PWD_LENGTH_SHIFT;
} while (length < PWD_ABSURD_PWD_LENGTH);
diff -up Linux-PAM-1.0.2/libpam/pam_modutil_getgrgid.c.many-groups Linux-PAM-1.0.2/libpam/pam_modutil_getgrgid.c
--- Linux-PAM-1.0.2/libpam/pam_modutil_getgrgid.c.many-groups 2007-08-30 06:00:39.000000000 +0200
+++ Linux-PAM-1.0.2/libpam/pam_modutil_getgrgid.c 2008-09-23 15:59:07.000000000 +0200
@@ -115,7 +115,7 @@ pam_modutil_getgrgid(pam_handle_t *pamh,
break;
}
- length <<= 2;
+ length <<= PWD_LENGTH_SHIFT;
} while (length < PWD_ABSURD_PWD_LENGTH);
diff -up Linux-PAM-1.0.2/libpam/pam_modutil_private.h.many-groups Linux-PAM-1.0.2/libpam/pam_modutil_private.h
--- Linux-PAM-1.0.2/libpam/pam_modutil_private.h.many-groups 2005-09-21 12:00:58.000000000 +0200
+++ Linux-PAM-1.0.2/libpam/pam_modutil_private.h 2008-09-23 16:00:30.000000000 +0200
@@ -13,8 +13,9 @@
#include <security/pam_modules.h>
#include <security/pam_modutil.h>
-#define PWD_INITIAL_LENGTH 0x100
-#define PWD_ABSURD_PWD_LENGTH 0x8000
+#define PWD_INITIAL_LENGTH 0x400
+#define PWD_ABSURD_PWD_LENGTH 0x40001
+#define PWD_LENGTH_SHIFT 4 /* 2^4 == 16 */
extern void
pam_modutil_cleanup(pam_handle_t *pamh, void *data,

36
pam-1.0.2-tally-fdleak.patch
View File

@ -1,36 +0,0 @@
Index: pam_tally.c
===================================================================
RCS file: /cvsroot/pam/Linux-PAM/modules/pam_tally/pam_tally.c,v
retrieving revision 1.30
diff -u -p -r1.30 pam_tally.c
--- pam/modules/pam_tally/pam_tally.c 9 Jul 2008 12:23:23 -0000 1.30
+++ pam/modules/pam_tally/pam_tally.c 19 Sep 2008 12:29:21 -0000
@@ -350,7 +350,7 @@ get_tally(pam_handle_t *pamh, tally_t *t
}
if ( ! ( *TALLY = fopen(filename,(*tally!=TALLY_HI)?"r+":"r") ) ) {
- pam_syslog(pamh, LOG_ALERT, "Error opening %s for update", filename);
+ pam_syslog(pamh, LOG_ALERT, "Error opening %s for %s", filename, *tally!=TALLY_HI?"update":"read");
/* Discovering why account service fails: e/uid are target user.
*
@@ -504,7 +504,7 @@ tally_check (time_t oldtime, pam_handle_
tally_t
deny = opts->deny;
tally_t
- tally = 0; /* !TALLY_HI --> Log opened for update */
+ tally = TALLY_HI;
long
lock_time = opts->lock_time;
@@ -515,6 +515,10 @@ tally_check (time_t oldtime, pam_handle_
i=get_tally(pamh, &tally, uid, opts->filename, &TALLY, fsp);
if ( i != PAM_SUCCESS ) { RETURN_ERROR( i ); }
+ if ( TALLY != NULL ) {
+ fclose(TALLY);
+ }
+
if ( !(opts->ctrl & OPT_MAGIC_ROOT) || getuid() ) { /* magic_root skips tally check */
/* To deny or not to deny; that is the question */

23
pam-1.0.90-redhat-modules.patch Normal file
View File

@ -0,0 +1,23 @@
diff -up Linux-PAM-1.0.90/modules/Makefile.am.redhat-modules Linux-PAM-1.0.90/modules/Makefile.am
--- Linux-PAM-1.0.90/modules/Makefile.am.redhat-modules 2008-11-29 08:27:35.000000000 +0100
+++ Linux-PAM-1.0.90/modules/Makefile.am 2008-12-16 13:40:16.000000000 +0100
@@ -3,6 +3,7 @@
#
SUBDIRS = pam_access pam_cracklib pam_debug pam_deny pam_echo \
+ pam_chroot pam_console pam_postgresok \
pam_env pam_exec pam_faildelay pam_filter pam_ftp \
pam_group pam_issue pam_keyinit pam_lastlog pam_limits \
pam_listfile pam_localuser pam_loginuid pam_mail \
diff -up Linux-PAM-1.0.90/configure.in.redhat-modules Linux-PAM-1.0.90/configure.in
--- Linux-PAM-1.0.90/configure.in.redhat-modules 2008-12-02 16:25:01.000000000 +0100
+++ Linux-PAM-1.0.90/configure.in 2008-12-16 13:39:11.000000000 +0100
@@ -531,6 +531,8 @@ AC_CONFIG_FILES([Makefile libpam/Makefil
libpam_misc/Makefile conf/Makefile conf/pam_conv1/Makefile \
po/Makefile.in \
modules/Makefile \
+ modules/pam_chroot/Makefile modules/pam_console/Makefile \
+ modules/pam_postgresok/Makefile \
modules/pam_access/Makefile modules/pam_cracklib/Makefile \
modules/pam_debug/Makefile modules/pam_deny/Makefile \
modules/pam_echo/Makefile modules/pam_env/Makefile \

44
pam.spec
View File

@ -1,16 +1,16 @@
%define pam_redhat_version 0.99.9-1 %define pam_redhat_version 0.99.10-1
Summary: A security tool which provides authentication for applications Summary: An extensible library which provides authentication for applications
Name: pam Name: pam
Version: 1.0.2 Version: 1.0.90
Release: 2%{?dist} Release: 1%{?dist}
# The library is BSD licensed with option to relicense as GPLv2+ - this option is redundant # The library is BSD licensed with option to relicense as GPLv2+ - this option is redundant
# as the BSD license allows that anyway. pam_timestamp and pam_console modules are GPLv2+, # as the BSD license allows that anyway. pam_timestamp and pam_console modules are GPLv2+,
# pam_rhosts_auth module is BSD with advertising # pam_rhosts_auth module is BSD with advertising
License: BSD and GPLv2+ and BSD with advertising License: BSD and GPLv2+ and BSD with advertising
Group: System Environment/Base Group: System Environment/Base
Source0: http://ftp.us.kernel.org/pub/linux/libs/pam/library/Linux-PAM-%{version}.tar.bz2 Source0: http://ftp.us.kernel.org/pub/linux/libs/pam/beta/Linux-PAM-%{version}.tar.bz2
Source1: http://ftp.us.kernel.org/pub/linux/libs/pam/library/Linux-PAM-%{version}.tar.bz2.sign Source1: http://ftp.us.kernel.org/pub/linux/libs/pam/beta/Linux-PAM-%{version}.tar.bz2.sign
Source2: https://fedorahosted.org/releases/p/a/pam-redhat/pam-redhat-%{pam_redhat_version}.tar.bz2 Source2: https://fedorahosted.org/releases/p/a/pam-redhat/pam-redhat-%{pam_redhat_version}.tar.bz2
Source5: other.pamd Source5: other.pamd
Source6: system-auth.pamd Source6: system-auth.pamd
@ -19,19 +19,7 @@ Source8: dlopen.sh
Source9: system-auth.5 Source9: system-auth.5
Source10: config-util.5 Source10: config-util.5
Source11: 90-nproc.conf Source11: 90-nproc.conf
Patch1: pam-0.99.7.0-redhat-modules.patch Patch1: pam-1.0.90-redhat-modules.patch
Patch5: pam-1.0.1-autoreconf.patch
Patch10: pam-1.0.0-sepermit-screensaver.patch
Patch12: pam-1.0.0-selinux-env-params.patch
Patch21: pam-0.99.10.0-unix-audit-failed.patch
Patch22: pam-1.0.1-unix-prompts.patch
Patch31: pam-1.0.1-cracklib-try-first-pass.patch
Patch32: pam-1.0.1-tally-fail-close.patch
Patch33: pam-1.0.2-tally-fdleak.patch
Patch41: pam-1.0.1-namespace-create.patch
Patch42: pam-1.0.2-cracklib-pwquality.patch
Patch43: pam-0.99.6.2-lastlog-failed.patch
Patch44: pam-1.0.2-many-groups.patch
%define _sbindir /sbin %define _sbindir /sbin
%define _moduledir /%{_lib}/security %define _moduledir /%{_lib}/security
@ -94,18 +82,6 @@ PAM-aware applications and modules for use with PAM.
mv pam-redhat-%{pam_redhat_version}/* modules mv pam-redhat-%{pam_redhat_version}/* modules
%patch1 -p1 -b .redhat-modules %patch1 -p1 -b .redhat-modules
%patch5 -p1 -b .autoreconf
%patch10 -p1 -b .screensaver
%patch12 -p0 -b .env-params
%patch21 -p1 -b .audit-failed
%patch22 -p1 -b .prompts
%patch31 -p1 -b .try-first-pass
%patch32 -p1 -b .fail-close
%patch33 -p1 -b .fdleak
%patch41 -p1 -b .create
%patch42 -p1 -b .pwquality
%patch43 -p1 -b .failed
%patch44 -p1 -b .many-groups
autoreconf autoreconf
@ -113,6 +89,7 @@ autoreconf
%configure \ %configure \
--libdir=/%{_lib} \ --libdir=/%{_lib} \
--includedir=%{_includedir}/security \ --includedir=%{_includedir}/security \
--disable-prelude \
%if ! %{WITH_SELINUX} %if ! %{WITH_SELINUX}
--disable-selinux \ --disable-selinux \
%endif %endif
@ -271,6 +248,7 @@ fi
%{_moduledir}/pam_nologin.so %{_moduledir}/pam_nologin.so
%{_moduledir}/pam_permit.so %{_moduledir}/pam_permit.so
%{_moduledir}/pam_postgresok.so %{_moduledir}/pam_postgresok.so
%{_moduledir}/pam_pwhistory.so
%{_moduledir}/pam_rhosts.so %{_moduledir}/pam_rhosts.so
%{_moduledir}/pam_rootok.so %{_moduledir}/pam_rootok.so
%if %{WITH_SELINUX} %if %{WITH_SELINUX}
@ -335,6 +313,10 @@ fi
%doc doc/adg/*.txt doc/adg/html %doc doc/adg/*.txt doc/adg/html
%changelog %changelog
* Tue Dec 16 2008 Tomas Mraz <tmraz@redhat.com> 1.0.90-1
- upgrade to new upstream release
- add --disable-prelude (#466242)
* Tue Sep 23 2008 Tomas Mraz <tmraz@redhat.com> 1.0.2-2 * Tue Sep 23 2008 Tomas Mraz <tmraz@redhat.com> 1.0.2-2
- new password quality checks in pam_cracklib - new password quality checks in pam_cracklib
- report failed logins from btmp in pam_lastlog - report failed logins from btmp in pam_lastlog

4
sources
View File

@ -1,2 +1,2 @@
26152d9c691715756b514dbf9cab9cd8 pam-redhat-0.99.9-1.tar.bz2 c115640346a987356f6b76ec1d425185 pam-redhat-0.99.10-1.tar.bz2
fc5e35645b75befae28c88b711b28ffb Linux-PAM-1.0.2.tar.bz2 1ec85b7ca3422648c5fa9ca65caff039 Linux-PAM-1.0.90.tar.bz2