diff options
Diffstat (limited to 'target/linux/generic/patches-3.0/610-netfilter_match_bypass_default_checks.patch')
| -rw-r--r-- | target/linux/generic/patches-3.0/610-netfilter_match_bypass_default_checks.patch | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/target/linux/generic/patches-3.0/610-netfilter_match_bypass_default_checks.patch b/target/linux/generic/patches-3.0/610-netfilter_match_bypass_default_checks.patch index 4760c8ad85..b65e00ff82 100644 --- a/target/linux/generic/patches-3.0/610-netfilter_match_bypass_default_checks.patch +++ b/target/linux/generic/patches-3.0/610-netfilter_match_bypass_default_checks.patch @@ -20,7 +20,7 @@ if (FWINV((ip->saddr&ipinfo->smsk.s_addr) != ipinfo->src.s_addr, IPT_INV_SRCIP) || FWINV((ip->daddr&ipinfo->dmsk.s_addr) != ipinfo->dst.s_addr, -@@ -134,6 +137,26 @@ ip_packet_match(const struct iphdr *ip, +@@ -134,6 +137,29 @@ ip_packet_match(const struct iphdr *ip, return true; } @@ -38,6 +38,9 @@ + if (memcmp(ip->outiface_mask, iface_mask, IFNAMSIZ) != 0) + return; + ++ if (ip->smsk.s_addr || ip->dmsk.s_addr) ++ return; ++ + if (ip->proto) + return; + @@ -47,7 +50,7 @@ static bool ip_checkentry(const struct ipt_ip *ip) { -@@ -561,7 +584,7 @@ static void cleanup_match(struct xt_entr +@@ -561,7 +587,7 @@ static void cleanup_match(struct xt_entr } static int @@ -56,7 +59,7 @@ { const struct xt_entry_target *t; -@@ -570,6 +593,8 @@ check_entry(const struct ipt_entry *e, c +@@ -570,6 +596,8 @@ check_entry(const struct ipt_entry *e, c return -EINVAL; } @@ -65,7 +68,7 @@ if (e->target_offset + sizeof(struct xt_entry_target) > e->next_offset) return -EINVAL; -@@ -931,6 +956,7 @@ copy_entries_to_user(unsigned int total_ +@@ -931,6 +959,7 @@ copy_entries_to_user(unsigned int total_ const struct xt_table_info *private = table->private; int ret = 0; const void *loc_cpu_entry; @@ -73,11 +76,10 @@ counters = alloc_counters(table); if (IS_ERR(counters)) -@@ -961,6 +987,14 @@ copy_entries_to_user(unsigned int total_ - ret = -EFAULT; +@@ -962,6 +991,14 @@ copy_entries_to_user(unsigned int total_ goto free_counters; } -+ + + flags = e->ip.flags & IPT_F_MASK; + if (copy_to_user(userptr + off + + offsetof(struct ipt_entry, ip.flags), @@ -85,6 +87,7 @@ + ret = -EFAULT; + goto free_counters; + } - ++ for (i = sizeof(struct ipt_entry); i < e->target_offset; + i += m->u.match_size) { |