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- include patches recently submitted and applied to upstream CVS

This commit is contained in:
Tomas Mraz 2010-12-14 12:02:26 +01:00
parent a526ddfed4
commit de4fdba40b
5 changed files with 473 additions and 4 deletions
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7
pam-1.1.1-faillock.patch
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@ -67,7 +67,7 @@ diff -up Linux-PAM-1.1.1/modules/Makefile.am.faillock Linux-PAM-1.1.1/modules/Ma
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 2010-09-17 15:58:41.000000000 +0200
@@ -0,0 +1,142 @@
@@ -0,0 +1,147 @@
+/*
+ * Copyright (c) 2010 Tomas Mraz <tmraz@redhat.com>
+ *
@ -123,6 +123,11 @@ diff -up Linux-PAM-1.1.1/modules/pam_faillock/faillock.c.faillock Linux-PAM-1.1.
+ int flags = O_RDWR;
+ int fd;
+
+ if (strstr(user, "../") != NULL)
+ /* just a defensive programming as the user must be a
+ * valid user on the system anyway
+ */
+ return -1;
+ path = malloc(strlen(dir) + strlen(user) + 2);
+ if (path == NULL)
+ return -1;

64
pam-1.1.3-limits-nosetreuid.patch Normal file
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@ -0,0 +1,64 @@
diff -up Linux-PAM-1.1.3/modules/pam_limits/pam_limits.c.nosetreuid Linux-PAM-1.1.3/modules/pam_limits/pam_limits.c
--- Linux-PAM-1.1.3/modules/pam_limits/pam_limits.c.nosetreuid 2009-02-20 14:27:14.000000000 +0100
+++ Linux-PAM-1.1.3/modules/pam_limits/pam_limits.c 2010-11-11 12:31:04.000000000 +0100
@@ -103,7 +103,6 @@ struct pam_limit_s {
/* argument parsing */
#define PAM_DEBUG_ARG 0x0001
-#define PAM_DO_SETREUID 0x0002
#define PAM_UTMP_EARLY 0x0004
#define PAM_NO_AUDIT 0x0008
@@ -127,8 +126,6 @@ _pam_parse (const pam_handle_t *pamh, in
ctrl |= PAM_DEBUG_ARG;
} else if (!strncmp(*argv,"conf=",5)) {
pl->conf_file = *argv+5;
- } else if (!strncmp(*argv,"change_uid",10)) {
- ctrl |= PAM_DO_SETREUID;
} else if (!strcmp(*argv,"utmp_early")) {
ctrl |= PAM_UTMP_EARLY;
} else if (!strcmp(*argv,"noaudit")) {
@@ -777,10 +774,6 @@ out:
return retval;
}
- if (ctrl & PAM_DO_SETREUID) {
- setreuid(pwd->pw_uid, -1);
- }
-
retval = setup_limits(pamh, pwd->pw_name, pwd->pw_uid, ctrl, pl);
if (retval & LOGIN_ERR)
pam_error(pamh, _("Too many logins for '%s'."), pwd->pw_name);
diff -up Linux-PAM-1.1.3/modules/pam_limits/pam_limits.8.xml.nosetreuid Linux-PAM-1.1.3/modules/pam_limits/pam_limits.8.xml
--- Linux-PAM-1.1.3/modules/pam_limits/pam_limits.8.xml.nosetreuid 2009-06-01 09:03:20.000000000 +0200
+++ Linux-PAM-1.1.3/modules/pam_limits/pam_limits.8.xml 2010-11-11 12:32:35.000000000 +0100
@@ -23,9 +23,6 @@
<cmdsynopsis id="pam_limits-cmdsynopsis">
<command>pam_limits.so</command>
<arg choice="opt">
- change_uid
- </arg>
- <arg choice="opt">
conf=<replaceable>/path/to/limits.conf</replaceable>
</arg>
<arg choice="opt">
@@ -72,19 +69,6 @@
<variablelist>
<varlistentry>
<term>
- <option>change_uid</option>
- </term>
- <listitem>
- <para>
- Change real uid to the user for who the limits are set up. Use this
- option if you have problems like login not forking a shell for user
- who has no processes. Be warned that something else may break when
- you do this.
- </para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term>
<option>conf=<replaceable>/path/to/limits.conf</replaceable></option>
</term>
<listitem>

336
pam-1.1.3-limits-range.patch Normal file
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@ -0,0 +1,336 @@
Index: modules/pam_limits/limits.conf.5.xml
===================================================================
RCS file: /cvsroot/pam/Linux-PAM/modules/pam_limits/limits.conf.5.xml,v
retrieving revision 1.10
retrieving revision 1.11
diff -u -p -r1.10 -r1.11
--- modules/pam_limits/limits.conf.5.xml 24 Nov 2010 08:49:30 -0000 1.10
+++ modules/pam_limits/limits.conf.5.xml 14 Dec 2010 08:40:40 -0000 1.11
@@ -60,6 +60,33 @@
number of logins of all users that are member of the group.
</para>
</listitem>
+ <listitem>
+ <para>
+ an uid range specified as <replaceable>&lt;min_uid&gt;</replaceable><emphasis
+ remap='B'>:</emphasis><replaceable>&lt;max_uid&gt;</replaceable>. If min_uid
+ is omitted, the match is exact for the max_uid. If max_uid is omitted, all
+ uids greater than or equal min_uid match.
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ a gid range specified as <emphasis
+ remap='B'>@</emphasis><replaceable>&lt;min_gid&gt;</replaceable><emphasis
+ remap='B'>:</emphasis><replaceable>&lt;max_gid&gt;</replaceable>. If min_gid
+ is omitted, the match is exact for the max_gid. If max_gid is omitted, all
+ gids greater than or equal min_gid match. For the exact match all groups including
+ the user's supplementary groups are examined. For the range matches only
+ the user's primary group is examined.
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ a gid specified as <emphasis
+ remap='B'>%:</emphasis><replaceable>&lt;gid&gt;</replaceable> applicable
+ to maxlogins limit only. It limits the total number of logins of all users
+ that are member of the group with the specified gid.
+ </para>
+ </listitem>
</itemizedlist>
</listitem>
</varlistentry>
@@ -276,12 +303,15 @@
</para>
<programlisting>
* soft core 0
-* hard rss 10000
+* hard nofile 512
@student hard nproc 20
@faculty soft nproc 20
@faculty hard nproc 50
ftp hard nproc 0
@student - maxlogins 4
+:123 hard cpu 5000
+@500: soft cpu 10000
+600:700 hard locks 10
</programlisting>
</refsect1>
Index: modules/pam_limits/pam_limits.c
===================================================================
RCS file: /cvsroot/pam/Linux-PAM/modules/pam_limits/pam_limits.c,v
retrieving revision 1.48
retrieving revision 1.49
diff -u -p -r1.48 -r1.49
--- modules/pam_limits/pam_limits.c 18 Nov 2010 09:37:32 -0000 1.48
+++ modules/pam_limits/pam_limits.c 14 Dec 2010 08:40:40 -0000 1.49
@@ -55,6 +55,12 @@
#define LIMITS_DEF_DEFAULT 4 /* limit was set by an default entry */
#define LIMITS_DEF_NONE 5 /* this limit was not set yet */
+#define LIMIT_RANGE_ERR -1 /* error in specified uid/gid range */
+#define LIMIT_RANGE_NONE 0 /* no range specified */
+#define LIMIT_RANGE_ONE 1 /* exact uid/gid specified (:max_uid)*/
+#define LIMIT_RANGE_MIN 2 /* only minimum uid/gid specified (min_uid:) */
+#define LIMIT_RANGE_MM 3 /* both min and max uid/gid specified (min_uid:max_uid) */
+
static const char *limits_def_names[] = {
"USER",
"GROUP",
@@ -520,8 +526,57 @@ process_limit (const pam_handle_t *pamh,
return;
}
-static int parse_config_file(pam_handle_t *pamh, const char *uname, int ctrl,
- struct pam_limit_s *pl)
+static int
+parse_uid_range(pam_handle_t *pamh, const char *domain,
+ uid_t *min_uid, uid_t *max_uid)
+{
+ const char *range = domain;
+ char *pmax;
+ char *endptr;
+ int rv = LIMIT_RANGE_MM;
+
+ if ((pmax=strchr(range, ':')) == NULL)
+ return LIMIT_RANGE_NONE;
+ ++pmax;
+
+ if (range[0] == '@' || range[0] == '%')
+ ++range;
+
+ if (range[0] == ':')
+ rv = LIMIT_RANGE_ONE;
+ else {
+ errno = 0;
+ *min_uid = strtoul (range, &endptr, 10);
+ if (errno != 0 || (range == endptr) || *endptr != ':') {
+ pam_syslog(pamh, LOG_DEBUG,
+ "wrong min_uid/gid value in '%s'", domain);
+ return LIMIT_RANGE_ERR;
+ }
+ }
+
+ if (*pmax == '\0') {
+ if (rv == LIMIT_RANGE_ONE)
+ return LIMIT_RANGE_ERR;
+ else
+ return LIMIT_RANGE_MIN;
+ }
+
+ errno = 0;
+ *max_uid = strtoul (pmax, &endptr, 10);
+ if (errno != 0 || (pmax == endptr) || *endptr != '\0') {
+ pam_syslog(pamh, LOG_DEBUG,
+ "wrong max_uid/gid value in '%s'", domain);
+ return LIMIT_RANGE_ERR;
+ }
+
+ if (rv == LIMIT_RANGE_ONE)
+ *min_uid = *max_uid;
+ return rv;
+}
+
+static int
+parse_config_file(pam_handle_t *pamh, const char *uname, uid_t uid, gid_t gid,
+ int ctrl, struct pam_limit_s *pl)
{
FILE *fil;
char buf[LINE_LENGTH];
@@ -543,8 +598,10 @@ static int parse_config_file(pam_handle_
char item[LINE_LENGTH];
char value[LINE_LENGTH];
int i;
+ int rngtype;
size_t j;
char *tptr,*line;
+ uid_t min_uid = (uid_t)-1, max_uid = (uid_t)-1;
line = buf;
/* skip the leading white space */
@@ -572,6 +629,11 @@ static int parse_config_file(pam_handle_
for(j=0; j < strlen(ltype); j++)
ltype[j]=tolower(ltype[j]);
+ if ((rngtype=parse_uid_range(pamh, domain, &min_uid, &max_uid)) < 0) {
+ pam_syslog(pamh, LOG_WARNING, "invalid uid range '%s' - skipped", domain);
+ continue;
+ }
+
if (i == 4) { /* a complete line */
for(j=0; j < strlen(item); j++)
item[j]=tolower(item[j]);
@@ -581,47 +643,133 @@ static int parse_config_file(pam_handle_
if (strcmp(uname, domain) == 0) /* this user have a limit */
process_limit(pamh, LIMITS_DEF_USER, ltype, item, value, ctrl, pl);
else if (domain[0]=='@') {
- if (ctrl & PAM_DEBUG_ARG) {
+ if (ctrl & PAM_DEBUG_ARG) {
pam_syslog(pamh, LOG_DEBUG,
"checking if %s is in group %s",
uname, domain + 1);
- }
- if (pam_modutil_user_in_group_nam_nam(pamh, uname, domain+1))
- process_limit(pamh, LIMITS_DEF_GROUP, ltype, item, value, ctrl,
+ }
+ switch(rngtype) {
+ case LIMIT_RANGE_NONE:
+ if (pam_modutil_user_in_group_nam_nam(pamh, uname, domain+1))
+ process_limit(pamh, LIMITS_DEF_GROUP, ltype, item, value, ctrl,
+ pl);
+ break;
+ case LIMIT_RANGE_ONE:
+ if (pam_modutil_user_in_group_nam_gid(pamh, uname, (gid_t)max_uid))
+ process_limit(pamh, LIMITS_DEF_GROUP, ltype, item, value, ctrl,
pl);
+ break;
+ case LIMIT_RANGE_MM:
+ if (gid > (gid_t)max_uid)
+ break;
+ /* fallthrough */
+ case LIMIT_RANGE_MIN:
+ if (gid >= (gid_t)min_uid)
+ process_limit(pamh, LIMITS_DEF_GROUP, ltype, item, value, ctrl,
+ pl);
+ }
} else if (domain[0]=='%') {
- if (ctrl & PAM_DEBUG_ARG) {
+ if (ctrl & PAM_DEBUG_ARG) {
pam_syslog(pamh, LOG_DEBUG,
"checking if %s is in group %s",
uname, domain + 1);
- }
- if (strcmp(domain,"%") == 0)
- process_limit(pamh, LIMITS_DEF_ALL, ltype, item, value, ctrl,
- pl);
- else if (pam_modutil_user_in_group_nam_nam(pamh, uname, domain+1)) {
- strcpy(pl->login_group, domain+1);
- process_limit(pamh, LIMITS_DEF_ALLGROUP, ltype, item, value, ctrl,
- pl);
}
- } else if (strcmp(domain, "*") == 0)
- process_limit(pamh, LIMITS_DEF_DEFAULT, ltype, item, value, ctrl,
- pl);
+ switch(rngtype) {
+ case LIMIT_RANGE_NONE:
+ if (strcmp(domain,"%") == 0)
+ process_limit(pamh, LIMITS_DEF_ALL, ltype, item, value, ctrl,
+ pl);
+ else if (pam_modutil_user_in_group_nam_nam(pamh, uname, domain+1)) {
+ strcpy(pl->login_group, domain+1);
+ process_limit(pamh, LIMITS_DEF_ALLGROUP, ltype, item, value, ctrl,
+ pl);
+ }
+ break;
+ case LIMIT_RANGE_ONE:
+ if (pam_modutil_user_in_group_nam_gid(pamh, uname, (gid_t)max_uid)) {
+ struct group *grp;
+ grp = pam_modutil_getgrgid(pamh, (gid_t)max_uid);
+ strncpy(pl->login_group, grp->gr_name, sizeof(pl->login_group));
+ pl->login_group[sizeof(pl->login_group)-1] = '\0';
+ process_limit(pamh, LIMITS_DEF_ALLGROUP, ltype, item, value, ctrl,
+ pl);
+ }
+ break;
+ case LIMIT_RANGE_MIN:
+ case LIMIT_RANGE_MM:
+ pam_syslog(pamh, LOG_WARNING, "range unsupported for %%group matching - ignored");
+ }
+ } else {
+ switch(rngtype) {
+ case LIMIT_RANGE_NONE:
+ if (strcmp(domain, "*") == 0)
+ process_limit(pamh, LIMITS_DEF_DEFAULT, ltype, item, value, ctrl,
+ pl);
+ break;
+ case LIMIT_RANGE_ONE:
+ if (uid != max_uid)
+ break;
+ /* fallthrough */
+ case LIMIT_RANGE_MM:
+ if (uid > max_uid)
+ break;
+ /* fallthrough */
+ case LIMIT_RANGE_MIN:
+ if (uid >= min_uid)
+ process_limit(pamh, LIMITS_DEF_USER, ltype, item, value, ctrl, pl);
+ }
+ }
} else if (i == 2 && ltype[0] == '-') { /* Probably a no-limit line */
if (strcmp(uname, domain) == 0) {
if (ctrl & PAM_DEBUG_ARG) {
pam_syslog(pamh, LOG_DEBUG, "no limits for '%s'", uname);
}
- fclose(fil);
- return PAM_IGNORE;
- } else if (domain[0] == '@' && pam_modutil_user_in_group_nam_nam(pamh, uname, domain+1)) {
+ } else if (domain[0] == '@') {
+ switch(rngtype) {
+ case LIMIT_RANGE_NONE:
+ if (!pam_modutil_user_in_group_nam_nam(pamh, uname, domain+1))
+ continue; /* next line */
+ break;
+ case LIMIT_RANGE_ONE:
+ if (!pam_modutil_user_in_group_nam_gid(pamh, uname, (gid_t)max_uid))
+ continue; /* next line */
+ break;
+ case LIMIT_RANGE_MM:
+ if (gid > (gid_t)max_uid)
+ continue; /* next line */
+ /* fallthrough */
+ case LIMIT_RANGE_MIN:
+ if (gid < (gid_t)min_uid)
+ continue; /* next line */
+ }
if (ctrl & PAM_DEBUG_ARG) {
pam_syslog(pamh, LOG_DEBUG,
"no limits for '%s' in group '%s'",
uname, domain+1);
}
- fclose(fil);
- return PAM_IGNORE;
+ } else {
+ switch(rngtype) {
+ case LIMIT_RANGE_NONE:
+ continue; /* next line */
+ case LIMIT_RANGE_ONE:
+ if (uid != max_uid)
+ continue; /* next line */
+ break;
+ case LIMIT_RANGE_MM:
+ if (uid > max_uid)
+ continue; /* next line */
+ /* fallthrough */
+ case LIMIT_RANGE_MIN:
+ if (uid >= min_uid)
+ break;
+ continue; /* next line */
+ }
+ if (ctrl & PAM_DEBUG_ARG) {
+ pam_syslog(pamh, LOG_DEBUG, "no limits for '%s'", uname);
+ }
}
+ fclose(fil);
+ return PAM_IGNORE;
} else {
pam_syslog(pamh, LOG_WARNING, "invalid line '%s' - skipped", line);
}
@@ -731,7 +879,7 @@ pam_sm_open_session (pam_handle_t *pamh,
return PAM_ABORT;
}
- retval = parse_config_file(pamh, pwd->pw_name, ctrl, pl);
+ retval = parse_config_file(pamh, pwd->pw_name, pwd->pw_uid, pwd->pw_gid, ctrl, pl);
if (retval == PAM_IGNORE) {
D(("the configuration file ('%s') has an applicable '<domain> -' entry", CONF_FILE));
return PAM_SUCCESS;
@@ -755,7 +903,7 @@ pam_sm_open_session (pam_handle_t *pamh,
/* Parse the *.conf files. */
for (i = 0; globbuf.gl_pathv[i] != NULL; i++) {
pl->conf_file = globbuf.gl_pathv[i];
- retval = parse_config_file(pamh, pwd->pw_name, ctrl, pl);
+ retval = parse_config_file(pamh, pwd->pw_name, pwd->pw_uid, pwd->pw_gid, ctrl, pl);
if (retval == PAM_IGNORE) {
D(("the configuration file ('%s') has an applicable '<domain> -' entry", pl->conf_file));
globfree(&globbuf);

54
pam-1.1.3-pwhistory-incomplete.patch Normal file
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@ -0,0 +1,54 @@
diff -up Linux-PAM-1.1.3/modules/pam_pwhistory/pam_pwhistory.c.incomplete Linux-PAM-1.1.3/modules/pam_pwhistory/pam_pwhistory.c
--- Linux-PAM-1.1.3/modules/pam_pwhistory/pam_pwhistory.c.incomplete 2008-12-18 14:09:36.000000000 +0100
+++ Linux-PAM-1.1.3/modules/pam_pwhistory/pam_pwhistory.c 2010-11-11 14:45:02.000000000 +0100
@@ -187,12 +187,13 @@ pam_sm_chauthtok (pam_handle_t *pamh, in
{
retval = pam_get_authtok (pamh, PAM_AUTHTOK, &newpass, NULL);
if (retval != PAM_SUCCESS && retval != PAM_TRY_AGAIN)
- return retval;
+ {
+ if (retval == PAM_CONV_AGAIN)
+ retval = PAM_INCOMPLETE;
+ return retval;
+ }
tries++;
- if (newpass == NULL || retval == PAM_TRY_AGAIN)
- continue;
-
if (options.debug)
{
if (newpass)
@@ -201,12 +202,8 @@ pam_sm_chauthtok (pam_handle_t *pamh, in
pam_syslog (pamh, LOG_DEBUG, "got no auth token");
}
- if (retval != PAM_SUCCESS || newpass == NULL)
- {
- if (retval == PAM_CONV_AGAIN)
- retval = PAM_INCOMPLETE;
- return retval;
- }
+ if (newpass == NULL || retval == PAM_TRY_AGAIN)
+ continue;
if (options.debug)
pam_syslog (pamh, LOG_DEBUG, "check against old password file");
@@ -219,7 +216,6 @@ pam_sm_chauthtok (pam_handle_t *pamh, in
newpass = NULL;
/* Remove password item, else following module will use it */
pam_set_item (pamh, PAM_AUTHTOK, (void *) NULL);
- continue;
}
}
@@ -230,8 +226,7 @@ pam_sm_chauthtok (pam_handle_t *pamh, in
return PAM_MAXTRIES;
}
- /* Remember new password */
- return pam_set_item (pamh, PAM_AUTHTOK, newpass);
+ return PAM_SUCCESS;
}

16
pam.spec
View File

@ -3,7 +3,7 @@
Summary: An extensible library which provides authentication for applications
Name: pam
Version: 1.1.3
Release: 5%{?dist}
Release: 6%{?dist}
# 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+,
License: BSD and GPLv2+
@ -32,7 +32,11 @@ Patch9: pam-1.1.2-noflex.patch
Patch10: pam-1.1.3-nouserenv.patch
Patch11: pam-1.1.3-console-abstract.patch
Patch12: pam-1.1.3-faillock-screensaver.patch
Patch13: pam-1.1.3-securetty-console.patch
# Upstreamed patches
Patch30: pam-1.1.3-securetty-console.patch
Patch31: pam-1.1.3-limits-nosetreuid.patch
Patch32: pam-1.1.3-limits-range.patch
Patch33: pam-1.1.3-pwhistory-incomplete.patch
%define _sbindir /sbin
%define _moduledir /%{_lib}/security
@ -103,7 +107,10 @@ mv pam-redhat-%{pam_redhat_version}/* modules
%patch10 -p1 -b .nouserenv
%patch11 -p1 -b .abstract
%patch12 -p1 -b .screensaver
%patch13 -p0 -b .console
%patch30 -p0 -b .console
%patch31 -p1 -b .nosetreuid
%patch32 -p0 -b .range
%patch33 -p1 -b .incomplete
libtoolize -f
autoreconf
@ -352,6 +359,9 @@ fi
%doc doc/adg/*.txt doc/adg/html
%changelog
* Tue Dec 14 2010 Tomas Mraz <tmraz@redhat.com> 1.1.3-6
- include patches recently submitted and applied to upstream CVS
* Thu Nov 25 2010 Tomas Mraz <tmraz@redhat.com> 1.1.3-5
- add config for autocreation of subdirectories in /var/run (#656655)
- automatically enable kernel console in pam_securetty