diff options
Diffstat (limited to 'target/linux/generic/patches-3.13/611-netfilter_match_bypass_default_table.patch')
-rw-r--r-- | target/linux/generic/patches-3.13/611-netfilter_match_bypass_default_table.patch | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/target/linux/generic/patches-3.13/611-netfilter_match_bypass_default_table.patch b/target/linux/generic/patches-3.13/611-netfilter_match_bypass_default_table.patch deleted file mode 100644 index f4fa054c2b..0000000000 --- a/target/linux/generic/patches-3.13/611-netfilter_match_bypass_default_table.patch +++ /dev/null @@ -1,83 +0,0 @@ ---- a/net/ipv4/netfilter/ip_tables.c -+++ b/net/ipv4/netfilter/ip_tables.c -@@ -310,6 +310,33 @@ struct ipt_entry *ipt_next_entry(const s - return (void *)entry + entry->next_offset; - } - -+static bool -+ipt_handle_default_rule(struct ipt_entry *e, unsigned int *verdict) -+{ -+ struct xt_entry_target *t; -+ struct xt_standard_target *st; -+ -+ if (e->target_offset != sizeof(struct ipt_entry)) -+ return false; -+ -+ if (!(e->ip.flags & IPT_F_NO_DEF_MATCH)) -+ return false; -+ -+ t = ipt_get_target(e); -+ if (t->u.kernel.target->target) -+ return false; -+ -+ st = (struct xt_standard_target *) t; -+ if (st->verdict == XT_RETURN) -+ return false; -+ -+ if (st->verdict >= 0) -+ return false; -+ -+ *verdict = (unsigned)(-st->verdict) - 1; -+ return true; -+} -+ - /* Returns one of the generic firewall policies, like NF_ACCEPT. */ - unsigned int - ipt_do_table(struct sk_buff *skb, -@@ -334,19 +361,6 @@ ipt_do_table(struct sk_buff *skb, - ip = ip_hdr(skb); - indev = in ? in->name : nulldevname; - outdev = out ? out->name : nulldevname; -- /* We handle fragments by dealing with the first fragment as -- * if it was a normal packet. All other fragments are treated -- * normally, except that they will NEVER match rules that ask -- * things we don't know, ie. tcp syn flag or ports). If the -- * rule is also a fragment-specific rule, non-fragments won't -- * match it. */ -- acpar.fragoff = ntohs(ip->frag_off) & IP_OFFSET; -- acpar.thoff = ip_hdrlen(skb); -- acpar.hotdrop = false; -- acpar.in = in; -- acpar.out = out; -- acpar.family = NFPROTO_IPV4; -- acpar.hooknum = hook; - - IP_NF_ASSERT(table->valid_hooks & (1 << hook)); - local_bh_disable(); -@@ -364,6 +378,26 @@ ipt_do_table(struct sk_buff *skb, - origptr = *stackptr; - - e = get_entry(table_base, private->hook_entry[hook]); -+ if (ipt_handle_default_rule(e, &verdict)) { -+ ADD_COUNTER(e->counters, skb->len, 1); -+ xt_write_recseq_end(addend); -+ local_bh_enable(); -+ return verdict; -+ } -+ -+ /* We handle fragments by dealing with the first fragment as -+ * if it was a normal packet. All other fragments are treated -+ * normally, except that they will NEVER match rules that ask -+ * things we don't know, ie. tcp syn flag or ports). If the -+ * rule is also a fragment-specific rule, non-fragments won't -+ * match it. */ -+ acpar.fragoff = ntohs(ip->frag_off) & IP_OFFSET; -+ acpar.thoff = ip_hdrlen(skb); -+ acpar.hotdrop = false; -+ acpar.in = in; -+ acpar.out = out; -+ acpar.family = NFPROTO_IPV4; -+ acpar.hooknum = hook; - - pr_debug("Entering %s(hook %u); sp at %u (UF %p)\n", - table->name, hook, origptr, |