diff options
Diffstat (limited to 'net/ipv4/netfilter/ipt_REDIRECT.c')
| -rw-r--r-- | net/ipv4/netfilter/ipt_REDIRECT.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/net/ipv4/netfilter/ipt_REDIRECT.c b/net/ipv4/netfilter/ipt_REDIRECT.c index 140be51..be3da7c 100644 --- a/net/ipv4/netfilter/ipt_REDIRECT.c +++ b/net/ipv4/netfilter/ipt_REDIRECT.c @@ -34,24 +34,13 @@ MODULE_DESCRIPTION("iptables REDIRECT target module"); static int redirect_check(const char *tablename, const void *e, + const struct xt_target *target, void *targinfo, unsigned int targinfosize, unsigned int hook_mask) { const struct ip_nat_multi_range_compat *mr = targinfo; - if (strcmp(tablename, "nat") != 0) { - DEBUGP("redirect_check: bad table `%s'.\n", table); - return 0; - } - if (targinfosize != IPT_ALIGN(sizeof(*mr))) { - DEBUGP("redirect_check: size %u.\n", targinfosize); - return 0; - } - if (hook_mask & ~((1 << NF_IP_PRE_ROUTING) | (1 << NF_IP_LOCAL_OUT))) { - DEBUGP("redirect_check: bad hooks %x.\n", hook_mask); - return 0; - } if (mr->range[0].flags & IP_NAT_RANGE_MAP_IPS) { DEBUGP("redirect_check: bad MAP_IPS.\n"); return 0; @@ -68,6 +57,7 @@ redirect_target(struct sk_buff **pskb, const struct net_device *in, const struct net_device *out, unsigned int hooknum, + const struct xt_target *target, const void *targinfo, void *userinfo) { @@ -115,6 +105,9 @@ redirect_target(struct sk_buff **pskb, static struct ipt_target redirect_reg = { .name = "REDIRECT", .target = redirect_target, + .targetsize = sizeof(struct ip_nat_multi_range_compat), + .table = "nat", + .hooks = (1 << NF_IP_PRE_ROUTING) | (1 << NF_IP_LOCAL_OUT), .checkentry = redirect_check, .me = THIS_MODULE, }; |
