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update to iptables-1.3.8
[iptables.git]
/
extensions
/
libipt_ULOG.c
diff --git
a/extensions/libipt_ULOG.c
b/extensions/libipt_ULOG.c
index
f4b7a14
..
a73b685
100644
(file)
--- a/
extensions/libipt_ULOG.c
+++ b/
extensions/libipt_ULOG.c
@@
-110,6
+110,14
@@
static int parse(int c, char **argv, int invert, unsigned int *flags,
"Maximum prefix length %u for --ulog-prefix",
(unsigned int)sizeof(loginfo->prefix) - 1);
"Maximum prefix length %u for --ulog-prefix",
(unsigned int)sizeof(loginfo->prefix) - 1);
+ if (strlen(optarg) == 0)
+ exit_error(PARAMETER_PROBLEM,
+ "No prefix specified for --ulog-prefix");
+
+ if (strlen(optarg) != strlen(strtok(optarg, "\n")))
+ exit_error(PARAMETER_PROBLEM,
+ "Newlines not allowed in --ulog-prefix");
+
strcpy(loginfo->prefix, optarg);
*flags |= IPT_LOG_OPT_PREFIX;
break;
strcpy(loginfo->prefix, optarg);
*flags |= IPT_LOG_OPT_PREFIX;
break;