diff options
Diffstat (limited to 'extensions/libip6t_LOG.c')
-rw-r--r-- | extensions/libip6t_LOG.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/extensions/libip6t_LOG.c b/extensions/libip6t_LOG.c index a9c8965d..5043b44e 100644 --- a/extensions/libip6t_LOG.c +++ b/extensions/libip6t_LOG.c @@ -143,6 +143,10 @@ parse(int c, char **argv, int invert, unsigned int *flags, "Maximum prefix length %u for --log-prefix", (unsigned int)sizeof(loginfo->prefix) - 1); + if (strlen(optarg) == 0) + exit_error(PARAMETER_PROBLEM, + "No prefix specified for --log-prefix"); + if (strlen(optarg) != strlen(strtok(optarg, "\n"))) exit_error(PARAMETER_PROBLEM, "Newlines not allowed in --log-prefix"); |