diff options
author | Patrick McHardy <kaber@trash.net> | 2006-03-20 18:01:14 -0800 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2006-03-20 18:01:14 -0800 |
commit | 1d5cd90976fa0d1cc21554b9d43f5c517323ebfc (patch) | |
tree | 3eb43557a1d23c71ea41b91e4ee001ac43b8ba21 /net/ipv4/netfilter/ipt_MASQUERADE.c | |
parent | 3cdc7c953eb1e1e1d1b82adbd140bf3451c165b1 (diff) | |
download | linux-1d5cd90976fa0d1cc21554b9d43f5c517323ebfc.tar.bz2 |
[NETFILTER]: Convert ip_tables matches/targets to centralized error checking
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/netfilter/ipt_MASQUERADE.c')
-rw-r--r-- | net/ipv4/netfilter/ipt_MASQUERADE.c | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/net/ipv4/netfilter/ipt_MASQUERADE.c b/net/ipv4/netfilter/ipt_MASQUERADE.c index 12c56d3343ca..df5ea08f1a15 100644 --- a/net/ipv4/netfilter/ipt_MASQUERADE.c +++ b/net/ipv4/netfilter/ipt_MASQUERADE.c @@ -47,19 +47,6 @@ masquerade_check(const char *tablename, { const struct ip_nat_multi_range_compat *mr = targinfo; - if (strcmp(tablename, "nat") != 0) { - DEBUGP("masquerade_check: bad table `%s'.\n", tablename); - return 0; - } - if (targinfosize != IPT_ALIGN(sizeof(*mr))) { - DEBUGP("masquerade_check: size %u != %u.\n", - targinfosize, sizeof(*mr)); - return 0; - } - if (hook_mask & ~(1 << NF_IP_POST_ROUTING)) { - DEBUGP("masquerade_check: bad hooks %x.\n", hook_mask); - return 0; - } if (mr->range[0].flags & IP_NAT_RANGE_MAP_IPS) { DEBUGP("masquerade_check: bad MAP_IPS.\n"); return 0; @@ -179,6 +166,9 @@ static struct notifier_block masq_inet_notifier = { static struct ipt_target masquerade = { .name = "MASQUERADE", .target = masquerade_target, + .targetsize = sizeof(struct ip_nat_multi_range_compat), + .table = "nat", + .hooks = 1 << NF_IP_POST_ROUTING, .checkentry = masquerade_check, .me = THIS_MODULE, }; |