shadow-utils/shadow-4.9-null-tm.patch
Iker Pedrosa 19b91d37bd - Rebase to version 4.9
- usermod: allow all group types with -G option
- useradd: avoid generating an empty subid range
- Clean spec file

Resolves: #1989556
Resolves: #1975329

Signed-off-by: Iker Pedrosa <ipedrosa@redhat.com>
2021-08-12 09:38:52 +02:00

71 lines
1.9 KiB
Diff

Index: shadow-4.5/src/chage.c
===================================================================
--- shadow-4.5.orig/src/chage.c
+++ shadow-4.5/src/chage.c
@@ -168,6 +168,10 @@ static void date_to_str (char *buf, size
struct tm *tp;
tp = gmtime (&date);
+ if (tp == NULL) {
+ (void) snprintf (buf, maxsize, "(unknown)");
+ return;
+ }
#ifdef HAVE_STRFTIME
(void) strftime (buf, maxsize, "%Y-%m-%d", tp);
#else
Index: shadow-4.5/src/lastlog.c
===================================================================
--- shadow-4.5.orig/src/lastlog.c
+++ shadow-4.5/src/lastlog.c
@@ -158,13 +158,17 @@ static void print_one (/*@null@*/const s
ll_time = ll.ll_time;
tm = localtime (&ll_time);
+ if (tm == NULL) {
+ cp = "(unknown)";
+ } else {
#ifdef HAVE_STRFTIME
- strftime (ptime, sizeof (ptime), "%a %b %e %H:%M:%S %z %Y", tm);
- cp = ptime;
+ strftime (ptime, sizeof (ptime), "%a %b %e %H:%M:%S %z %Y", tm);
+ cp = ptime;
#else
- cp = asctime (tm);
- cp[24] = '\0';
+ cp = asctime (tm);
+ cp[24] = '\0';
#endif
+ }
if (ll.ll_time == (time_t) 0) {
cp = _("**Never logged in**\0");
Index: shadow-4.5/src/passwd.c
===================================================================
--- shadow-4.5.orig/src/passwd.c
+++ shadow-4.5/src/passwd.c
@@ -455,6 +455,9 @@ static /*@observer@*/const char *date_to
struct tm *tm;
tm = gmtime (&t);
+ if (tm == NULL) {
+ return "(unknown)";
+ }
#ifdef HAVE_STRFTIME
(void) strftime (buf, sizeof buf, "%m/%d/%Y", tm);
#else /* !HAVE_STRFTIME */
Index: shadow-4.5/src/usermod.c
===================================================================
--- shadow-4.5.orig/src/usermod.c
+++ shadow-4.5/src/usermod.c
@@ -210,6 +210,10 @@ static void date_to_str (/*@unique@*//*@
} else {
time_t t = (time_t) date;
tp = gmtime (&t);
+ if (tp == NULL) {
+ strncpy (buf, "unknown", maxsize);
+ return;
+ }
#ifdef HAVE_STRFTIME
strftime (buf, maxsize, "%Y-%m-%d", tp);
#else