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Avoid integer overflow when parsing ASN.1 dates.

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This only works properly if sizeof(time_t) > 4.
This commit is contained in:
Tobias Brunner
2011-12-23 16:38:28 +01:00
parent 20d752b4ff
commit f4095fdc8a
1 changed files with 2 additions and 2 deletions
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src/libstrongswan/asn1/asn1.c
+2 -2
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@@ -326,10 +326,10 @@ static const int tm_leap_1970 = 477;
*/ */
time_t asn1_to_time(const chunk_t *utctime, asn1_t type) time_t asn1_to_time(const chunk_t *utctime, asn1_t type)
{ {
int tm_year, tm_mon, tm_day, tm_days, tm_hour, tm_min, tm_sec; int tm_year, tm_mon, tm_day, tm_hour, tm_min, tm_sec;
int tm_leap_4, tm_leap_100, tm_leap_400, tm_leap; int tm_leap_4, tm_leap_100, tm_leap_400, tm_leap;
int tz_hour, tz_min, tz_offset; int tz_hour, tz_min, tz_offset;
time_t tm_secs; time_t tm_days, tm_secs;
u_char *eot = NULL; u_char *eot = NULL;
if ((eot = memchr(utctime->ptr, 'Z', utctime->len)) != NULL) if ((eot = memchr(utctime->ptr, 'Z', utctime->len)) != NULL)