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Check strftime() return in tortls.c

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This commit is contained in:
Andrea Shepard 2014-03-19 11:22:11 -07:00 committed by Nick Mathewson
parent 0938c20fa3
commit dea8190111
1 changed files with 12 additions and 5 deletions
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11
src/common/tortls.c
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@ -2311,6 +2311,7 @@ log_cert_lifetime(int severity, const X509 *cert, const char *problem)
char mytime[33];
time_t now = time(NULL);
struct tm tm;
size_t n;
if (problem)
tor_log(severity, LD_GENERAL,
@ -2336,11 +2337,17 @@ log_cert_lifetime(int severity, const X509 *cert, const char *problem)
BIO_get_mem_ptr(bio, &buf);
s2 = tor_strndup(buf->data, buf->length);
strftime(mytime, 32, "%b %d %H:%M:%S %Y UTC", tor_gmtime_r(&now, &tm));
n = strftime(mytime, 32, "%b %d %H:%M:%S %Y UTC", tor_gmtime_r(&now, &tm));
if (n > 0) {
tor_log(severity, LD_GENERAL,
"(certificate lifetime runs from %s through %s. Your time is %s.)",
s1,s2,mytime);
} else {
tor_log(severity, LD_GENERAL,
"(certificate lifetime runs from %s through %s. "
"Couldn't get your time.)",
s1, s2);
}
end:
/* Not expected to get invoked */