diff options
Diffstat (limited to 'iptables/ip6tables.c')
| -rw-r--r-- | iptables/ip6tables.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/iptables/ip6tables.c b/iptables/ip6tables.c index 2ebfd6c0..8db13b45 100644 --- a/iptables/ip6tables.c +++ b/iptables/ip6tables.c @@ -102,7 +102,7 @@ static struct option original_opts[] = { {.name = "numeric", .has_arg = 0, .val = 'n'}, {.name = "out-interface", .has_arg = 1, .val = 'o'}, {.name = "verbose", .has_arg = 0, .val = 'v'}, - {.name = "wait", .has_arg = 0, .val = 'w'}, + {.name = "wait", .has_arg = 2, .val = 'w'}, {.name = "exact", .has_arg = 0, .val = 'x'}, {.name = "version", .has_arg = 0, .val = 'V'}, {.name = "help", .has_arg = 2, .val = 'h'}, @@ -259,7 +259,7 @@ exit_printhelp(const struct xtables_rule_match *matches) " network interface name ([+] for wildcard)\n" " --table -t table table to manipulate (default: `filter')\n" " --verbose -v verbose mode\n" -" --wait -w wait for the xtables lock\n" +" --wait -w [seconds] wait for the xtables lock\n" " --line-numbers print line numbers when listing\n" " --exact -x expand numbers (display exact values)\n" /*"[!] --fragment -f match second or further fragments only\n"*/ @@ -1323,7 +1323,7 @@ int do_command6(int argc, char *argv[], char **table, struct in6_addr *smasks = NULL, *dmasks = NULL; int verbose = 0; - bool wait = false; + int wait = 0; const char *chain = NULL; const char *shostnetworkmask = NULL, *dhostnetworkmask = NULL; const char *policy = NULL, *newname = NULL; @@ -1359,7 +1359,7 @@ int do_command6(int argc, char *argv[], char **table, opts = xt_params->orig_opts; while ((cs.c = getopt_long(argc, argv, - "-:A:C:D:R:I:L::S::M:F::Z::N:X::E:P:Vh::o:p:s:d:j:i:bvwnt:m:xc:g:46", + "-:A:C:D:R:I:L::S::M:F::Z::N:X::E:P:Vh::o:p:s:d:j:i:bvw::nt:m:xc:g:46", opts, NULL)) != -1) { switch (cs.c) { /* @@ -1603,7 +1603,16 @@ int do_command6(int argc, char *argv[], char **table, "You cannot use `-w' from " "ip6tables-restore"); } - wait = true; + wait = -1; + if (optarg) { + if (sscanf(optarg, "%i", &wait) != 1) + xtables_error(PARAMETER_PROBLEM, + "wait seconds not numeric"); + } else if (optind < argc && argv[optind][0] != '-' + && argv[optind][0] != '!') + if (sscanf(argv[optind++], "%i", &wait) != 1) + xtables_error(PARAMETER_PROBLEM, + "wait seconds not numeric"); break; case 'm': @@ -1754,8 +1763,11 @@ int do_command6(int argc, char *argv[], char **table, /* Attempt to acquire the xtables lock */ if (!restore && !xtables_lock(wait)) { - fprintf(stderr, "Another app is currently holding the xtables lock. " - "Perhaps you want to use the -w option?\n"); + fprintf(stderr, "Another app is currently holding the xtables lock. "); + if (wait == 0) + fprintf(stderr, "Perhaps you want to use the -w option?\n"); + else + fprintf(stderr, "Stopped waiting after %ds.\n", wait); xtables_free_opts(1); exit(RESOURCE_PROBLEM); } |