diff options
Diffstat (limited to 'src/libstrongswan/asn1/asn1.c')
-rw-r--r-- | src/libstrongswan/asn1/asn1.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/src/libstrongswan/asn1/asn1.c b/src/libstrongswan/asn1/asn1.c index 5ce840325..8b9dc1c48 100644 --- a/src/libstrongswan/asn1/asn1.c +++ b/src/libstrongswan/asn1/asn1.c @@ -350,13 +350,15 @@ time_t asn1_to_time(const chunk_t *utctime, asn1_t type) int tm_leap_4, tm_leap_100, tm_leap_400, tm_leap; int tz_hour, tz_min, tz_offset; time_t tm_days, tm_secs; - u_char *eot = NULL; + char buf[BUF_LEN], *eot = NULL; - if ((eot = memchr(utctime->ptr, 'Z', utctime->len)) != NULL) + snprintf(buf, sizeof(buf), "%.*s", (int)utctime->len, utctime->ptr); + + if ((eot = strchr(buf, 'Z')) != NULL) { tz_offset = 0; /* Zulu time with a zero time zone offset */ } - else if ((eot = memchr(utctime->ptr, '+', utctime->len)) != NULL) + else if ((eot = strchr(buf, '+')) != NULL) { if (sscanf(eot+1, "%2d%2d", &tz_hour, &tz_min) != 2) { @@ -364,7 +366,7 @@ time_t asn1_to_time(const chunk_t *utctime, asn1_t type) } tz_offset = 3600*tz_hour + 60*tz_min; /* positive time zone offset */ } - else if ((eot = memchr(utctime->ptr, '-', utctime->len)) != NULL) + else if ((eot = strchr(buf, '-')) != NULL) { if (sscanf(eot+1, "%2d%2d", &tz_hour, &tz_min) != 2) { @@ -382,15 +384,15 @@ time_t asn1_to_time(const chunk_t *utctime, asn1_t type) const char* format = (type == ASN1_UTCTIME)? "%2d%2d%2d%2d%2d": "%4d%2d%2d%2d%2d"; - if (sscanf(utctime->ptr, format, &tm_year, &tm_mon, &tm_day, - &tm_hour, &tm_min) != 5) + if (sscanf(buf, format, &tm_year, &tm_mon, &tm_day, + &tm_hour, &tm_min) != 5) { return 0; /* error in [yy]yymmddhhmm time format */ } } /* is there a seconds field? */ - if ((eot - utctime->ptr) == ((type == ASN1_UTCTIME)?12:14)) + if ((eot - buf) == ((type == ASN1_UTCTIME)?12:14)) { if (sscanf(eot-2, "%2d", &tm_sec) != 1) { |