[icinga-checkins] icinga.org: icinga-core/master: Fixed cgi/ cgiutils.c NULL value with segfault in get_time_string #11048

[git at icinga.org]

Module: icinga-core
Branch: master
Commit: a3f736edf2da803ca422b26d436da5389a51665a
URL:    https://git.icinga.org/?p=icinga-core.git;a=commit;h=a3f736edf2da803ca422b26d436da5389a51665a

Author: Ricardo Bartels <ricardo at bitchbrothers.com>
Date:   Tue Feb  2 21:48:36 2016 +0100

Fixed cgi/cgiutils.c NULL value with segfault in get_time_string #11048

Refs: #11048
whatthecommit: Well, it's doing something.

---

 cgi/cgiutils.c |   12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/cgi/cgiutils.c b/cgi/cgiutils.c
index 528ca8d..147ffea 100644
--- a/cgi/cgiutils.c
+++ b/cgi/cgiutils.c
@@ -1809,6 +1809,18 @@ void get_time_string(time_t *raw_time, char *buffer, int buffer_length, int type
 	else
 		tm_ptr = localtime(&t);
 
+	if (tm_ptr==NULL) {
+		//we read at least the local time
+		t = time(NULL);
+		tm_ptr = gmtime(&t);
+	}
+
+	if (tm_ptr==NULL) {
+		snprintf(buffer, buffer_length, "Error retrieving current time!");
+		buffer[buffer_length - 1] = '\x0';
+		return;
+	}
+
 	hour = tm_ptr->tm_hour;
 	minute = tm_ptr->tm_min;
 	second = tm_ptr->tm_sec;