diff options
| author | Eric Leblond <eric@inl.fr> | 2007-02-24 15:11:33 +0000 |
|---|---|---|
| committer | Patrick McHardy <kaber@trash.net> | 2007-02-24 15:11:33 +0000 |
| commit | ae4b0b3aa70c67f2eff303a3e75834e45c3794a7 (patch) | |
| tree | 206f258318c77aefd215255edfc680f39311dc6d /extensions/libipt_MASQUERADE.c | |
| parent | ee9e2205dfd53ffc35495dd60b43c59b77aa3839 (diff) | |
iptables: add random option to SNAT (Eric Leblond)
Diffstat (limited to 'extensions/libipt_MASQUERADE.c')
| -rw-r--r-- | extensions/libipt_MASQUERADE.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/extensions/libipt_MASQUERADE.c b/extensions/libipt_MASQUERADE.c index 7eddcc09..e06333ab 100644 --- a/extensions/libipt_MASQUERADE.c +++ b/extensions/libipt_MASQUERADE.c @@ -15,12 +15,21 @@ help(void) printf( "MASQUERADE v%s options:\n" " --to-ports <port>[-<port>]\n" -" Port (range) to map to.\n\n", +" Port (range) to map to.\n" +#ifdef IP_NAT_RANGE_PROTO_RANDOM +" --random\n" +" Randomize source port.\n" +#endif +"\n" +, IPTABLES_VERSION); } static struct option opts[] = { { "to-ports", 1, 0, '1' }, +#ifdef IP_NAT_RANGE_PROTO_RANDOM + { "random", 0, 0, '2' }, +#endif { 0 } }; @@ -100,6 +109,12 @@ parse(int c, char **argv, int invert, unsigned int *flags, parse_ports(optarg, mr); return 1; +#ifdef IP_NAT_RANGE_PROTO_RANDOM + case '2': + mr->range[0].flags |= IP_NAT_RANGE_PROTO_RANDOM; + return 1; +#endif + default: return 0; } @@ -127,6 +142,12 @@ print(const struct ipt_ip *ip, printf("-%hu", ntohs(r->max.tcp.port)); printf(" "); } + +#ifdef IP_NAT_RANGE_PROTO_RANDOM + if (r->flags & IP_NAT_RANGE_PROTO_RANDOM) { + printf("random"); + } +#endif } /* Saves the union ipt_targinfo in parsable form to stdout. */ |