svn rev #23313: trunk/src/lib/kadm5/

[ghudson@MIT.EDU]

http://src.mit.edu/fisheye/changelog/krb5/?cs=23313
Commit By: ghudson
Log Message:
Check return value of gethostname in krb5_klog_init.



Changed Files:
U   trunk/src/lib/kadm5/logger.c
Modified: trunk/src/lib/kadm5/logger.c
===================================================================
--- trunk/src/lib/kadm5/logger.c	2009-11-22 21:45:06 UTC (rev 23312)
+++ trunk/src/lib/kadm5/logger.c	2009-11-23 19:24:42 UTC (rev 23313)
@@ -668,8 +668,11 @@
         log_control.log_whoami = strdup(whoami);
         log_control.log_hostname = (char *) malloc(MAXHOSTNAMELEN + 1);
         if (log_control.log_hostname) {
-            gethostname(log_control.log_hostname, MAXHOSTNAMELEN);
-            log_control.log_hostname[MAXHOSTNAMELEN] = '\0';
+            if (gethostname(log_control.log_hostname, MAXHOSTNAMELEN) == -1) {
+                free(log_control.log_hostname);
+                log_control.log_hostname = NULL;
+            } else
+                log_control.log_hostname[MAXHOSTNAMELEN] = '\0';
         }
 #ifdef  HAVE_OPENLOG
         if (do_openlog) {