diff options
Diffstat (limited to 'iptables.c')
| -rw-r--r-- | iptables.c | 16 |
1 files changed, 15 insertions, 1 deletions
@@ -123,6 +123,8 @@ static struct option original_opts[] = { {.name = "modprobe", .has_arg = 1, .val = 'M'}, {.name = "set-counters", .has_arg = 1, .val = 'c'}, {.name = "goto", .has_arg = 1, .val = 'g'}, + {.name = "ipv4", .has_arg = 0, .val = '4'}, + {.name = "ipv6", .has_arg = 0, .val = '6'}, {NULL}, }; @@ -261,6 +263,8 @@ exit_printhelp(const struct xtables_rule_match *matches) " Change chain name, (moving any references)\n" "Options:\n" +" --ipv4 -4 Nothing (line is ignored by ip6tables-restore)\n" +" --ipv6 -6 Error (line is ignored by iptables-restore)\n" "[!] --proto -p proto protocol: by number or name, eg. `tcp'\n" "[!] --source -s address[/mask][...]\n" " source specification\n" @@ -1467,7 +1471,7 @@ int do_command4(int argc, char *argv[], char **table, struct iptc_handle **handl 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:fbvnt:m:xc:g:", + "-:A:C:D:R:I:L::S::M:F::Z::N:X::E:P:Vh::o:p:s:d:j:i:fbvnt:m:xc:g:46", opts, NULL)) != -1) { switch (cs.c) { /* @@ -1782,6 +1786,16 @@ int do_command4(int argc, char *argv[], char **table, struct iptc_handle **handl cs.fw.counters.bcnt = cnt; break; + case '4': + /* This is indeed the IPv4 iptables */ + break; + + case '6': + /* This is not the IPv6 ip6tables */ + if (line != -1) + return 1; /* success: line ignored */ + fprintf(stderr, "This is the IPv4 version of iptables.\n"); + exit_tryhelp(2); case 1: /* non option */ if (optarg[0] == '!' && optarg[1] == '\0') { |