File pam-bsc1181443-make-nofile-unlimited-mean-nr_op... of Package pam

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File pam-bsc1181443-make-nofile-unlimited-mean-nr_open.patch of Package pam (Revision 0694ce4237a7710974fc1845b50bcdfc)

Currently displaying revision 0694ce4237a7710974fc1845b50bcdfc , Show latest

Index: Linux-PAM-1.5.1/doc/sag/Linux-PAM_SAG.txt
===================================================================
--- Linux-PAM-1.5.1.orig/doc/sag/Linux-PAM_SAG.txt
+++ Linux-PAM-1.5.1/doc/sag/Linux-PAM_SAG.txt
@@ -2171,6 +2171,9 @@ The fields listed above should be filled
 All items support the values -1, unlimited or infinity indicating no limit,
 except for priority, nice, and nonewprivs.
 
+If nofile is to be set to one of these values,
+it will be set to the contents of /proc/sys/fs/nr_open instead (see setrlimit(3)).
+
 If a hard limit or soft limit of a resource is set to a valid value, but
 outside of the supported range of the local system, the system may reject the
 new limit or unexpected behavior may occur. If the control value required is
Index: Linux-PAM-1.5.1/doc/sag/html/sag-pam_limits.html
===================================================================
--- Linux-PAM-1.5.1.orig/doc/sag/html/sag-pam_limits.html
+++ Linux-PAM-1.5.1/doc/sag/html/sag-pam_limits.html
@@ -104,6 +104,9 @@
 unlimited or infinity indicating no limit,
 except for priority, nice,
 and nonewprivs.
+ If nofile is to be set to one of these values,
+ it will be set to the contents of <code>/proc/sys/fs/nr_open</code> instead
+ (see setrlimit(3)).
 
 If a hard limit or soft limit of a resource is set to a valid value,
 but outside of the supported range of the local system, the system
Index: Linux-PAM-1.5.1/modules/pam_limits/limits.conf.5
===================================================================
--- Linux-PAM-1.5.1.orig/modules/pam_limits/limits.conf.5
+++ Linux-PAM-1.5.1/modules/pam_limits/limits.conf.5
@@ -290,6 +290,8 @@ indicating no limit, except for
 \fBpriority\fR,
 \fBnice\fR, and
 \fBnonewprivs\fR\&.
+If \fBnofile\fP is to be set to one of these values,
+it will be set to the contents of \fI/proc/sys/fs/nr_open\fP instead (see \fBsetrlimit\fP(3))\&.
 .PP
 If a hard limit or soft limit of a resource is set to a valid value, but outside of the supported range of the local system, the system may reject the new limit or unexpected behavior may occur\&. If the control value
 \fIrequired\fR
Index: Linux-PAM-1.5.1/modules/pam_limits/limits.conf.5.xml
===================================================================
--- Linux-PAM-1.5.1.orig/modules/pam_limits/limits.conf.5.xml
+++ Linux-PAM-1.5.1/modules/pam_limits/limits.conf.5.xml
@@ -283,6 +283,8 @@
 <emphasis>unlimited</emphasis> or <emphasis>infinity</emphasis> indicating no limit,
 except for <emphasis remap='B'>priority</emphasis>, <emphasis remap='B'>nice</emphasis>,
 and <emphasis remap='B'>nonewprivs</emphasis>.
+ If <emphasis remap='B'>nofile</emphasis> is to be set to one of these values,
+ it will be set to the contents of /proc/sys/fs/nr_open instead (see setrlimit(3)).
 </para>
 <para>
 If a hard limit or soft limit of a resource is set to a valid value,
Index: Linux-PAM-1.5.1/modules/pam_limits/pam_limits.c
===================================================================
--- Linux-PAM-1.5.1.orig/modules/pam_limits/pam_limits.c
+++ Linux-PAM-1.5.1/modules/pam_limits/pam_limits.c
@@ -228,21 +228,21 @@ rlimit2str (int i)
 /* Counts the number of user logins and check against the limit*/
 static int
 check_logins (pam_handle_t *pamh, const char *name, int limit, int ctrl,
- struct pam_limit_s *pl)
+	 struct pam_limit_s *pl)
 {
 struct utmp *ut;
 int count;
 
 if (ctrl & PAM_DEBUG_ARG) {
- pam_syslog(pamh, LOG_DEBUG,
+	pam_syslog(pamh, LOG_DEBUG,
 		 "checking logins for '%s' (maximum of %d)", name, limit);
 }
 
 if (limit < 0)
- return 0; /* no limits imposed */
+	return 0; /* no limits imposed */
 if (limit == 0) /* maximum 0 logins ? */ {
- pam_syslog(pamh, LOG_WARNING, "No logins allowed for '%s'", name);
- return LOGIN_ERR;
+	pam_syslog(pamh, LOG_WARNING, "No logins allowed for '%s'", name);
+	return LOGIN_ERR;
 }
 
 setutent();
@@ -265,14 +265,14 @@ check_logins (pam_handle_t *pamh, const
 
 while((ut = getutent())) {
 #ifdef USER_PROCESS
- if (ut->ut_type != USER_PROCESS) {
- continue;
+	if (ut->ut_type != USER_PROCESS) {
+	 continue;
 	}
 #endif
- if (ut->UT_USER[0] == '\0') {
- continue;
+	if (ut->UT_USER[0] == '\0') {
+	 continue;
 	}
- if (!pl->flag_numsyslogins) {
+	if (!pl->flag_numsyslogins) {
 	 char user[sizeof(ut->UT_USER) + 1];
 	 user[0] = '\0';
 	 strncat(user, ut->UT_USER, sizeof(ut->UT_USER));
@@ -281,11 +281,11 @@ check_logins (pam_handle_t *pamh, const
 	 || (pl->login_limit_def == LIMITS_DEF_GROUP)
 		 || (pl->login_limit_def == LIMITS_DEF_DEFAULT))
 		&& strcmp(name, user) != 0) {
- continue;
+	 continue;
 	 }
 	 if ((pl->login_limit_def == LIMITS_DEF_ALLGROUP)
 		&& !pam_modutil_user_in_group_nam_nam(pamh, user, pl->login_group)) {
- continue;
+	 continue;
 	 }
 	 if (kill(ut->ut_pid, 0) == -1 && errno == ESRCH) {
 		/* process does not exist anymore */
@@ -307,50 +307,50 @@ check_logins (pam_handle_t *pamh, const
 	} else {
 	 pam_syslog(pamh, LOG_NOTICE, "Too many system logins (max %d)", limit);
 	}
- return LOGIN_ERR;
+	return LOGIN_ERR;
 }
 return 0;
 }
 
 static const char *lnames[RLIM_NLIMITS] = {
- [RLIMIT_CPU] = "Max cpu time",
- [RLIMIT_FSIZE] = "Max file size",
- [RLIMIT_DATA] = "Max data size",
- [RLIMIT_STACK] = "Max stack size",
- [RLIMIT_CORE] = "Max core file size",
- [RLIMIT_RSS] = "Max resident set",
- [RLIMIT_NPROC] = "Max processes",
- [RLIMIT_NOFILE] = "Max open files",
- [RLIMIT_MEMLOCK] = "Max locked memory",
+	[RLIMIT_CPU] = "Max cpu time",
+	[RLIMIT_FSIZE] = "Max file size",
+	[RLIMIT_DATA] = "Max data size",
+	[RLIMIT_STACK] = "Max stack size",
+	[RLIMIT_CORE] = "Max core file size",
+	[RLIMIT_RSS] = "Max resident set",
+	[RLIMIT_NPROC] = "Max processes",
+	[RLIMIT_NOFILE] = "Max open files",
+	[RLIMIT_MEMLOCK] = "Max locked memory",
 #ifdef RLIMIT_AS
- [RLIMIT_AS] = "Max address space",
+	[RLIMIT_AS] = "Max address space",
 #endif
 #ifdef RLIMIT_LOCKS
- [RLIMIT_LOCKS] = "Max file locks",
+	[RLIMIT_LOCKS] = "Max file locks",
 #endif
 #ifdef RLIMIT_SIGPENDING
- [RLIMIT_SIGPENDING] = "Max pending signals",
+	[RLIMIT_SIGPENDING] = "Max pending signals",
 #endif
 #ifdef RLIMIT_MSGQUEUE
- [RLIMIT_MSGQUEUE] = "Max msgqueue size",
+	[RLIMIT_MSGQUEUE] = "Max msgqueue size",
 #endif
 #ifdef RLIMIT_NICE
- [RLIMIT_NICE] = "Max nice priority",
+	[RLIMIT_NICE] = "Max nice priority",
 #endif
 #ifdef RLIMIT_RTPRIO
- [RLIMIT_RTPRIO] = "Max realtime priority",
+	[RLIMIT_RTPRIO] = "Max realtime priority",
 #endif
 #ifdef RLIMIT_RTTIME
- [RLIMIT_RTTIME] = "Max realtime timeout",
+	[RLIMIT_RTTIME] = "Max realtime timeout",
 #endif
 };
 
 static int str2rlimit(char *name) {
 int i;
 if (!name || *name == '\0')
- return -1;
+	return -1;
 for(i = 0; i < RLIM_NLIMITS; i++) {
- if (strcmp(name, lnames[i]) == 0) return i;
+	if (strcmp(name, lnames[i]) == 0) return i;
 }
 return -1;
 }
@@ -360,25 +360,25 @@ static rlim_t str2rlim_t(char *value) {
 
 if (!value) return (rlim_t)rlimit;
 if (strcmp(value, "unlimited") == 0) {
- return RLIM_INFINITY;
+	return RLIM_INFINITY;
 }
 rlimit = strtoull(value, NULL, 10);
 return (rlim_t)rlimit;
 }
 
 #define LIMITS_SKIP_WHITESPACE { \
- /* step backwards over spaces */ \
- pos--; \
- while (pos && line[pos] == ' ') pos--; \
- if (!pos) continue; \
- line[pos+1] = '\0'; \
+	/* step backwards over spaces */ \
+	pos--; \
+	while (pos && line[pos] == ' ') pos--; \
+	if (!pos) continue; \
+	line[pos+1] = '\0'; \
 }
 #define LIMITS_MARK_ITEM(item) { \
- /* step backwards over non-spaces */ \
- pos--; \
- while (pos && line[pos] != ' ') pos--; \
- if (!pos) continue; \
- item = line + pos + 1; \
+	/* step backwards over non-spaces */ \
+	pos--; \
+	while (pos && line[pos] != ' ') pos--; \
+	if (!pos) continue; \
+	item = line + pos + 1; \
 }
 
 static void parse_kernel_limits(pam_handle_t *pamh, struct pam_limit_s *pl, int ctrl)
@@ -390,54 +390,54 @@ static void parse_kernel_limits(pam_hand
 char *hard, *soft, *name;
 
 if (!(limitsfile = fopen(proclimits, "r"))) {
- pam_syslog(pamh, LOG_WARNING, "Could not read %s (%s), using PAM defaults", proclimits, strerror(errno));
- return;
+	pam_syslog(pamh, LOG_WARNING, "Could not read %s (%s), using PAM defaults", proclimits, strerror(errno));
+	return;
 }
 
 while (fgets(line, 256, limitsfile)) {
- int pos = strlen(line);
- if (pos < 2) continue;
+	int pos = strlen(line);
+	if (pos < 2) continue;
+
+	/* drop trailing newline */
+	if (line[pos-1] == '\n') {
+	 pos--;
+	 line[pos] = '\0';
+	}
 
- /* drop trailing newline */
- if (line[pos-1] == '\n') {
- pos--;
- line[pos] = '\0';
- }
-
- /* determine formatting boundary of limits report */
- if (!maxlen && pam_str_skip_prefix(line, "Limit") != NULL) {
- maxlen = pos;
- continue;
- }
-
- if (pos == maxlen) {
- /* step backwards over "Units" name */
- LIMITS_SKIP_WHITESPACE;
- LIMITS_MARK_ITEM(hard); /* not a typo, units unused */
- }
-
- /* step backwards over "Hard Limit" value */
- LIMITS_SKIP_WHITESPACE;
- LIMITS_MARK_ITEM(hard);
-
- /* step backwards over "Soft Limit" value */
- LIMITS_SKIP_WHITESPACE;
- LIMITS_MARK_ITEM(soft);
-
- /* step backwards over name of limit */
- LIMITS_SKIP_WHITESPACE;
- name = line;
-
- i = str2rlimit(name);
- if (i < 0 || i >= RLIM_NLIMITS) {
- if (ctrl & PAM_DEBUG_ARG)
- pam_syslog(pamh, LOG_DEBUG, "Unknown kernel rlimit '%s' ignored", name);
- continue;
- }
- pl->limits[i].limit.rlim_cur = str2rlim_t(soft);
- pl->limits[i].limit.rlim_max = str2rlim_t(hard);
- pl->limits[i].src_soft = LIMITS_DEF_KERNEL;
- pl->limits[i].src_hard = LIMITS_DEF_KERNEL;
+	/* determine formatting boundary of limits report */
+	if (!maxlen && pam_str_skip_prefix(line, "Limit") != NULL) {
+	 maxlen = pos;
+	 continue;
+	}
+
+	if (pos == maxlen) {
+	 /* step backwards over "Units" name */
+	 LIMITS_SKIP_WHITESPACE;
+	 LIMITS_MARK_ITEM(hard); /* not a typo, units unused */
+	}
+
+	/* step backwards over "Hard Limit" value */
+	LIMITS_SKIP_WHITESPACE;
+	LIMITS_MARK_ITEM(hard);
+
+	/* step backwards over "Soft Limit" value */
+	LIMITS_SKIP_WHITESPACE;
+	LIMITS_MARK_ITEM(soft);
+
+	/* step backwards over name of limit */
+	LIMITS_SKIP_WHITESPACE;
+	name = line;
+
+	i = str2rlimit(name);
+	if (i < 0 || i >= RLIM_NLIMITS) {
+	 if (ctrl & PAM_DEBUG_ARG)
+	 pam_syslog(pamh, LOG_DEBUG, "Unknown kernel rlimit '%s' ignored", name);
+	 continue;
+	}
+	pl->limits[i].limit.rlim_cur = str2rlim_t(soft);
+	pl->limits[i].limit.rlim_max = str2rlim_t(hard);
+	pl->limits[i].src_soft = LIMITS_DEF_KERNEL;
+	pl->limits[i].src_hard = LIMITS_DEF_KERNEL;
 }
 fclose(limitsfile);
 }
@@ -486,6 +486,54 @@ static int init_limits(pam_handle_t *pam
 
 return retval;
 }
+/*
+ * Read the contents of /proc/sys/fs/<name>
+ * return 1 if conversion succeeds, result is in *valuep
+ * return 0 if conversion fails.
+ */
+static int
+value_from_proc_sys_fs(const pam_handle_t *pamh, const char *name, rlim_t *valuep)
+{
+ char pathname[128];
+ char buf[128];
+ FILE *fp;
+ int retval;
+
+ retval = 0;
+
+ snprintf(pathname, sizeof(pathname), "/proc/sys/fs/%s", name);
+
+ if ((fp = fopen(pathname, "r")) != NULL) {
+ if (fgets(buf, sizeof(buf), fp) != NULL) {
+	 char *endptr;
+
+#ifdef __USE_FILE_OFFSET64
+	 *valuep = strtoull(buf, &endptr, 10);
+#else
+	 *valuep = strtoul(buf, &endptr, 10);
+#endif
+
+	 retval = (endptr != buf);
+ }
+
+ fclose(fp);
+ }
+
+ return retval;
+}
+
+/*
+ * Check if the string passed as the argument corresponds to
+ * "unlimited"
+ */
+static inline int
+is_unlimited(const char *lim_value)
+{
+ return strcmp(lim_value, "-1") == 0
+ || strcmp(lim_value, "-") == 0
+ || strcmp(lim_value, "unlimited") == 0
+ || strcmp(lim_value, "infinity") == 0;
+}
 
 static void
 process_limit (const pam_handle_t *pamh, int source, const char *lim_type,
@@ -505,9 +553,9 @@ process_limit (const pam_handle_t *pamh,
 		 limits_def_names[source]);
 
 if (strcmp(lim_item, "cpu") == 0)
- limit_item = RLIMIT_CPU;
+	limit_item = RLIMIT_CPU;
 else if (strcmp(lim_item, "fsize") == 0)
- limit_item = RLIMIT_FSIZE;
+	limit_item = RLIMIT_FSIZE;
 else if (strcmp(lim_item, "data") == 0)
 	limit_item = RLIMIT_DATA;
 else if (strcmp(lim_item, "stack") == 0)
@@ -557,8 +605,8 @@ process_limit (const pam_handle_t *pamh,
 } else if (strcmp(lim_item, "nonewprivs") == 0) {
 	limit_item = LIMIT_NONEWPRIVS;
 } else {
- pam_syslog(pamh, LOG_DEBUG, "unknown limit item '%s'", lim_item);
- return;
+	pam_syslog(pamh, LOG_DEBUG, "unknown limit item '%s'", lim_item);
+	return;
 }
 
 if (strcmp(lim_type,"soft")==0)
@@ -569,9 +617,10 @@ process_limit (const pam_handle_t *pamh,
 	limit_type=LIMIT_SOFT | LIMIT_HARD;
 else if (limit_item != LIMIT_LOGIN && limit_item != LIMIT_NUMSYSLOGINS
 		&& limit_item != LIMIT_NONEWPRIVS) {
- pam_syslog(pamh, LOG_DEBUG, "unknown limit type '%s'", lim_type);
- return;
+	pam_syslog(pamh, LOG_DEBUG, "unknown limit type '%s'", lim_type);
+	return;
 }
+
 	if (limit_item == LIMIT_NONEWPRIVS) {
 		/* just require a bool-style 0 or 1 */
 		if (strcmp(lim_value, "0") == 0) {
@@ -587,9 +636,7 @@ process_limit (const pam_handle_t *pamh,
 #ifdef RLIMIT_NICE
 	 && limit_item != RLIMIT_NICE
 #endif
-	 && (strcmp(lim_value, "-1") == 0
-		|| strcmp(lim_value, "-") == 0 || strcmp(lim_value, "unlimited") == 0
-		|| strcmp(lim_value, "infinity") == 0)) {
+	 && is_unlimited(lim_value)) {
 		int_value = -1;
 		rlimit_value = RLIM_INFINITY;
 	} else if (limit_item == LIMIT_PRI || limit_item == LIMIT_LOGIN ||
@@ -605,7 +652,7 @@ process_limit (const pam_handle_t *pamh,
 			pam_syslog(pamh, LOG_DEBUG,
 				 "wrong limit value '%s' for limit type '%s'",
 				 lim_value, lim_type);
- return;
+			return;
 		}
 	} else {
 #ifdef __USE_FILE_OFFSET64
@@ -631,7 +678,7 @@ process_limit (const pam_handle_t *pamh,
 }
 
 switch(limit_item) {
- case RLIMIT_CPU:
+	case RLIMIT_CPU:
 	 if (rlimit_value != RLIM_INFINITY)
 	 {
 	 if (rlimit_value >= RLIM_INFINITY/60)
@@ -639,17 +686,17 @@ process_limit (const pam_handle_t *pamh,
 	 else
 		rlimit_value *= 60;
 	 }
- break;
- case RLIMIT_FSIZE:
- case RLIMIT_DATA:
- case RLIMIT_STACK:
- case RLIMIT_CORE:
- case RLIMIT_RSS:
- case RLIMIT_MEMLOCK:
+	 break;
+	case RLIMIT_FSIZE:
+	case RLIMIT_DATA:
+	case RLIMIT_STACK:
+	case RLIMIT_CORE:
+	case RLIMIT_RSS:
+	case RLIMIT_MEMLOCK:
 #ifdef RLIMIT_AS
- case RLIMIT_AS:
+	case RLIMIT_AS:
 #endif
- if (rlimit_value != RLIM_INFINITY)
+	 if (rlimit_value != RLIM_INFINITY)
 	 {
 	 if (rlimit_value >= RLIM_INFINITY/1024)
 	 rlimit_value = RLIM_INFINITY;
@@ -664,29 +711,42 @@ process_limit (const pam_handle_t *pamh,
 	 if (int_value < -20)
 	 int_value = -20;
 	 rlimit_value = 20 - int_value;
- break;
+	 break;
 #endif
+ case RLIMIT_NOFILE:
+	/*
+	 * If nofile is to be set to "unlimited", try to set it to
+	 * the value in /proc/sys/fs/nr_open instead.
+	 */
+	if (rlimit_value == RLIM_INFINITY) {
+	 if (!value_from_proc_sys_fs(pamh, "nr_open", &rlimit_value))
+	 pam_syslog(pamh, LOG_DEBUG,
+			 "Cannot set \"nofile\" to a sensible value");
+	 else
+	 pam_syslog(pamh, LOG_WARNING, "Setting \"nofile\" limit to %lu", (long unsigned) rlimit_value);
+	}
+	break;
 }
 
 if ( (limit_item != LIMIT_LOGIN)
 	 && (limit_item != LIMIT_NUMSYSLOGINS)
 	 && (limit_item != LIMIT_PRI)
 	 && (limit_item != LIMIT_NONEWPRIVS) ) {
- if (limit_type & LIMIT_SOFT) {
+	if (limit_type & LIMIT_SOFT) {
 	 if (pl->limits[limit_item].src_soft < source) {
- return;
+	 return;
 	 } else {
- pl->limits[limit_item].limit.rlim_cur = rlimit_value;
- pl->limits[limit_item].src_soft = source;
- }
+	 pl->limits[limit_item].limit.rlim_cur = rlimit_value;
+	 pl->limits[limit_item].src_soft = source;
+	 }
 	}
- if (limit_type & LIMIT_HARD) {
+	if (limit_type & LIMIT_HARD) {
 	 if (pl->limits[limit_item].src_hard < source) {
- return;
- } else {
- pl->limits[limit_item].limit.rlim_max = rlimit_value;
- pl->limits[limit_item].src_hard = source;
- }
+	 return;
+	 } else {
+	 pl->limits[limit_item].limit.rlim_max = rlimit_value;
+	 pl->limits[limit_item].src_hard = source;
+	 }
 	}
 } else {
 	/* recent kernels support negative priority limits (=raise priority) */
@@ -764,42 +824,42 @@ parse_config_file(pam_handle_t *pamh, co
 
 /* check for the LIMITS_FILE */
 if (ctrl & PAM_DEBUG_ARG)
- pam_syslog(pamh, LOG_DEBUG, "reading settings from '%s'", CONF_FILE);
+	pam_syslog(pamh, LOG_DEBUG, "reading settings from '%s'", CONF_FILE);
 fil = fopen(CONF_FILE, "r");
 if (fil == NULL) {
- pam_syslog (pamh, LOG_WARNING,
+	pam_syslog (pamh, LOG_WARNING,
 		 "cannot read settings from %s: %m", CONF_FILE);
- return PAM_SERVICE_ERR;
+	return PAM_SERVICE_ERR;
 }
 
 /* start the show */
 while (fgets(buf, LINE_LENGTH, fil) != NULL) {
- char domain[LINE_LENGTH];
- char ltype[LINE_LENGTH];
- 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 */
- while (*line && isspace(*line))
- line++;
-
- /* Rip off the comments */
- tptr = strchr(line,'#');
- if (tptr)
- *tptr = '\0';
- /* Rip off the newline char */
- tptr = strchr(line,'\n');
- if (tptr)
- *tptr = '\0';
- /* Anything left ? */
- if (!strlen(line))
- continue;
+	char domain[LINE_LENGTH];
+	char ltype[LINE_LENGTH];
+	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 */
+	while (*line && isspace(*line))
+	 line++;
+
+	/* Rip off the comments */
+	tptr = strchr(line,'#');
+	if (tptr)
+	 *tptr = '\0';
+	/* Rip off the newline char */
+	tptr = strchr(line,'\n');
+	if (tptr)
+	 *tptr = '\0';
+	/* Anything left ? */
+	if (!strlen(line))
+	 continue;
 
 	domain[0] = ltype[0] = item[0] = value[0] = '\0';
 
@@ -807,23 +867,23 @@ parse_config_file(pam_handle_t *pamh, co
 	D(("scanned line[%d]: domain[%s], ltype[%s], item[%s], value[%s]",
 	 i, domain, ltype, item, value));
 
- for(j=0; j < strlen(ltype); j++)
- ltype[j]=tolower(ltype[j]);
+	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 */
+	if (i == 4) { /* a complete line */
 	 for(j=0; j < strlen(item); j++)
 		item[j]=tolower(item[j]);
 	 for(j=0; j < strlen(value); j++)
 		value[j]=tolower(value[j]);
 
- 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 (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) {
 			pam_syslog(pamh, LOG_DEBUG,
 				 "checking if %s is in group %s",
@@ -849,7 +909,7 @@ parse_config_file(pam_handle_t *pamh, co
 			 process_limit(pamh, LIMITS_DEF_GROUP, ltype, item, value, ctrl,
 					 pl);
 		}
- } else if (domain[0]=='%') {
+	 } else if (domain[0]=='%') {
 		if (ctrl & PAM_DEBUG_ARG) {
 			pam_syslog(pamh, LOG_DEBUG,
 				 "checking if %s is in group %s",
@@ -880,7 +940,7 @@ parse_config_file(pam_handle_t *pamh, co
 		 case LIMIT_RANGE_MM:
 			pam_syslog(pamh, LOG_WARNING, "range unsupported for %%group matching - ignored");
 		}
- } else {
+	 } else {
 		switch(rngtype) {
 		 case LIMIT_RANGE_NONE:
 			if (strcmp(domain, "*") == 0)
@@ -951,8 +1011,8 @@ parse_config_file(pam_handle_t *pamh, co
 	 }
 	 fclose(fil);
 	 return PAM_IGNORE;
- } else {
- pam_syslog(pamh, LOG_WARNING, "invalid line '%s' - skipped", line);
+	} else {
+	 pam_syslog(pamh, LOG_WARNING, "invalid line '%s' - skipped", line);
 	}
 }
 fclose(fil);
@@ -979,8 +1039,8 @@ static int setup_limits(pam_handle_t *pa
 	 /* skip it if its not initialized */
 	 continue;
 	}
- if (pl->limits[i].limit.rlim_cur > pl->limits[i].limit.rlim_max)
- pl->limits[i].limit.rlim_cur = pl->limits[i].limit.rlim_max;
+	if (pl->limits[i].limit.rlim_cur > pl->limits[i].limit.rlim_max)
+	 pl->limits[i].limit.rlim_cur = pl->limits[i].limit.rlim_max;
 	res = setrlimit(i, &pl->limits[i].limit);
 	if (res != 0)
 	 pam_syslog(pamh, LOG_ERR, "Could not set limit for '%s': %m",
@@ -989,30 +1049,30 @@ static int setup_limits(pam_handle_t *pa
 }
 
 if (status) {
- retval = LIMIT_ERR;
+	retval = LIMIT_ERR;
 }
 
 status = setpriority(PRIO_PROCESS, 0, pl->priority);
 if (status != 0) {
- pam_syslog(pamh, LOG_ERR, "Could not set limit for PRIO_PROCESS: %m");
- retval = LIMIT_ERR;
+	pam_syslog(pamh, LOG_ERR, "Could not set limit for PRIO_PROCESS: %m");
+	retval = LIMIT_ERR;
 }
 
 if (uid == 0) {
 	D(("skip login limit check for uid=0"));
 } else if (pl->login_limit > 0) {
- if (check_logins(pamh, uname, pl->login_limit, ctrl, pl) == LOGIN_ERR) {
+	if (check_logins(pamh, uname, pl->login_limit, ctrl, pl) == LOGIN_ERR) {
 #ifdef HAVE_LIBAUDIT
 	 if (!(ctrl & PAM_NO_AUDIT)) {
 		pam_modutil_audit_write(pamh, AUDIT_ANOM_LOGIN_SESSIONS,
 		 "pam_limits", PAM_PERM_DENIED);
 		/* ignore return value as we fail anyway */
- }
+	 }
 #endif
- retval |= LOGIN_ERR;
+	 retval |= LOGIN_ERR;
 	}
 } else if (pl->login_limit == 0) {
- retval |= LOGIN_ERR;
+	retval |= LOGIN_ERR;
 }
 
 if (pl->nonewprivs) {
@@ -1049,22 +1109,22 @@ pam_sm_open_session (pam_handle_t *pamh,
 ctrl = _pam_parse(pamh, argc, argv, pl);
 retval = pam_get_item( pamh, PAM_USER, (void*) &user_name );
 if ( user_name == NULL || retval != PAM_SUCCESS ) {
- pam_syslog(pamh, LOG_ERR, "open_session - error recovering username");
- return PAM_SESSION_ERR;
+	pam_syslog(pamh, LOG_ERR, "open_session - error recovering username");
+	return PAM_SESSION_ERR;
 }
 
 pwd = pam_modutil_getpwnam(pamh, user_name);
 if (!pwd) {
- if (ctrl & PAM_DEBUG_ARG)
- pam_syslog(pamh, LOG_WARNING,
+	if (ctrl & PAM_DEBUG_ARG)
+	 pam_syslog(pamh, LOG_WARNING,
 		 "open_session username '%s' does not exist", user_name);
- return PAM_USER_UNKNOWN;
+	return PAM_USER_UNKNOWN;
 }
 
 retval = init_limits(pamh, pl, ctrl);
 if (retval != PAM_SUCCESS) {
- pam_syslog(pamh, LOG_ERR, "cannot initialize");
- return PAM_ABORT;
+	pam_syslog(pamh, LOG_ERR, "cannot initialize");
+	return PAM_ABORT;
 }
 
 retval = parse_config_file(pamh, pwd->pw_name, pwd->pw_uid, pwd->pw_gid, ctrl, pl);
@@ -1099,7 +1159,7 @@ pam_sm_open_session (pam_handle_t *pamh,
 	 }
 	 if (retval != PAM_SUCCESS)
 		goto out;
- }
+	}
 }
 
 out:
@@ -1115,7 +1175,7 @@ out:
 	pam_error(pamh, _("There were too many logins for '%s'."),
 		 pwd->pw_name);
 if (retval != LIMITED_OK) {
- return PAM_PERM_DENIED;
+	return PAM_PERM_DENIED;
 }
 
 return PAM_SUCCESS;

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File pam-bsc1181443-make-nofile-unlimited-mean-nr_open.patch of Package pam (Revision 0694ce4237a7710974fc1845b50bcdfc)

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