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authorLaurent Bercot <ska-skaware@skarnet.org>2018-09-30 18:11:22 +0000
committerLaurent Bercot <ska-skaware@skarnet.org>2018-09-30 18:11:22 +0000
commitcab563c7d244549db189c70e1c9231c20c7fea8a (patch)
treee0daaa333a3bf0a03dae764546a45b5dfe755819 /src
parenta312ef9c0b720cafc45f54e64e91967db3c99cbe (diff)
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Fix (hopefully) nsss_unix_shadow_get()
Diffstat (limited to 'src')
-rw-r--r--src/libnsss/nsss_unix_shadow_get.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/src/libnsss/nsss_unix_shadow_get.c b/src/libnsss/nsss_unix_shadow_get.c
index 0d87088..1245834 100644
--- a/src/libnsss/nsss_unix_shadow_get.c
+++ b/src/libnsss/nsss_unix_shadow_get.c
@@ -7,6 +7,13 @@
 #include <nsss/nsss-unix.h>
 #include "nsss-unix-internal.h"
 
+static int lscan (char const *s, long *l)
+{
+  if (*s) return !!ulong0_scan(s, (unsigned long *)l) ;
+  *l = -1 ;
+  return 1 ;
+}
+
 static inline int shadow_parseline (struct spwd *sp, char *s, size_t max)
 {
   struct spwd sp2 ;
@@ -15,19 +22,19 @@ static inline int shadow_parseline (struct spwd *sp, char *s, size_t max)
   if (!nsss_unix_field(&sp2.sp_namp, &s)) return 0 ;
   if (!nsss_unix_field(&sp2.sp_pwdp, &s)) return 0 ;
   if (!nsss_unix_field(&p, &s)) return 0 ;
-  if (!ulong0_scan(p, (unsigned long *)&sp2.sp_lstchg)) return 0 ;
+  if (!lscan(p, &sp2.sp_lstchg)) return 0 ;
   if (!nsss_unix_field(&p, &s)) return 0 ;
-  if (!ulong0_scan(p, (unsigned long *)&sp2.sp_min)) return 0 ;
+  if (!lscan(p, &sp2.sp_min)) return 0 ;
   if (!nsss_unix_field(&p, &s)) return 0 ;
-  if (!ulong0_scan(p, (unsigned long *)&sp2.sp_max)) return 0 ;
+  if (!lscan(p, &sp2.sp_max)) return 0 ;
   if (!nsss_unix_field(&p, &s)) return 0 ;
-  if (!ulong0_scan(p, (unsigned long *)&sp2.sp_warn)) return 0 ;
+  if (!lscan(p, &sp2.sp_warn)) return 0 ;
   if (!nsss_unix_field(&p, &s)) return 0 ;
-  if (!ulong0_scan(p, (unsigned long *)&sp2.sp_inact)) return 0 ;
+  if (!lscan(p, &sp2.sp_inact)) return 0 ;
   if (!nsss_unix_field(&p, &s)) return 0 ;
-  if (!ulong0_scan(p, (unsigned long *)&sp2.sp_expire)) return 0 ;
+  if (!lscan(p, &sp2.sp_expire)) return 0 ;
   if (!nsss_unix_field(&p, &s)) return 0 ;
-  if (!ulong0_scan(p, &sp2.sp_flag)) return 0 ;
+  if (!lscan(p, (long *)&sp2.sp_flag)) return 0 ;
   *sp = sp2 ;
   return 1 ;
 }