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authorJeremy Allison <jra@samba.org>2006-11-07 02:33:10 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 12:15:42 -0500
commitea705fb3453a94fb4fee6f3a5299c988d8e48b26 (patch)
treed807bf28fadcf922653280da64981e1ef0cd64d5 /source3/lib
parent482603735d97b6de5ae06decf118ec8ea8c1961c (diff)
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r19601: Fix protection from invalid struct tm values.
Backport from Samba4. Jeremy. (This used to be commit 02a0ac0bacafe91e4fa3ca0cae2f05a25215efbc)
Diffstat (limited to 'source3/lib')
-rw-r--r--source3/lib/replace/timegm.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/source3/lib/replace/timegm.c b/source3/lib/replace/timegm.c
index 8db9bb4e09..395c684e11 100644
--- a/source3/lib/replace/timegm.c
+++ b/source3/lib/replace/timegm.c
@@ -51,6 +51,16 @@ time_t rep_timegm(struct tm *tm)
{31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}};
time_t res = 0;
unsigned i;
+
+ if (tm->tm_mon > 12 ||
+ tm->tm_mon < 0 ||
+ tm->tm_mday > 31 ||
+ tm->tm_min > 60 ||
+ tm->tm_sec > 60 ||
+ tm->tm_hour > 24) {
+ /* invalid tm structure */
+ return 0;
+ }
for (i = 70; i < tm->tm_year; ++i)
res += is_leap(i) ? 366 : 365;