iptables-log-prefix-no-empty-strings.patch

   1 http://bugs.gentoo.org/148169
   2
   3 --- extensions/libip6t_LOG.c
   4 +++ extensions/libip6t_LOG.c
   5 @@ -143,6 +143,10 @@ parse(int c, char **argv, int invert, un
   6                                    "Maximum prefix length %u for --log-prefix",
   7                                    (unsigned int)sizeof(loginfo->prefix) - 1);
   8
   9 +               if (strlen(optarg) == 0)
  10 +                       exit_error(PARAMETER_PROBLEM,
  11 +                                  "No prefix specified for --log-prefix");
  12 +
  13                 if (strlen(optarg) != strlen(strtok(optarg, "\n")))
  14                         exit_error(PARAMETER_PROBLEM,
  15                                    "Newlines not allowed in --log-prefix");
  16 --- extensions/libipt_LOG.c
  17 +++ extensions/libipt_LOG.c
  18 @@ -143,6 +143,10 @@ parse(int c, char **argv, int invert, un
  19                                    "Maximum prefix length %u for --log-prefix",
  20                                    (unsigned int)sizeof(loginfo->prefix) - 1);
  21
  22 +               if (strlen(optarg) == 0)
  23 +                       exit_error(PARAMETER_PROBLEM,
  24 +                                  "No prefix specified for --log-prefix");
  25 +
  26                 if (strlen(optarg) != strlen(strtok(optarg, "\n")))
  27                         exit_error(PARAMETER_PROBLEM,
  28                                    "Newlines not allowed in --log-prefix");
  29 --- extensions/libipt_ULOG.c
  30 +++ extensions/libipt_ULOG.c
  31 @@ -110,6 +110,14 @@ static int parse(int c, char **argv, int
  32                                    "Maximum prefix length %u for --ulog-prefix",
  33                                    (unsigned int)sizeof(loginfo->prefix) - 1);
  34
  35 +               if (strlen(optarg) == 0)
  36 +                       exit_error(PARAMETER_PROBLEM,
  37 +                                  "No prefix specified for --ulog-prefix");
  38 +
  39 +               if (strlen(optarg) != strlen(strtok(optarg, "\n")))
  40 +                       exit_error(PARAMETER_PROBLEM,
  41 +                                  "Newlines not allowed in --ulog-prefix");
  42 +
  43                 strcpy(loginfo->prefix, optarg);
  44                 *flags |= IPT_LOG_OPT_PREFIX;
  45                 break;