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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-04-09 19:43:24 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-04-09 19:43:24 +0000
commit906c6f0da75b2e18ce61269ef79b45b92e49e37e (patch)
treeac88246fb4e7172dccb06b78c8f4c724229d822f /target/linux
parenta6d121f744029542baf72411c7765c9fe8e869ea (diff)
netfilter: merge some fixes from upstream
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15178 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux')
-rw-r--r--target/linux/generic-2.6/patches-2.6.28/120-netfilter_upstream_fixes.patch100
1 files changed, 100 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.28/120-netfilter_upstream_fixes.patch b/target/linux/generic-2.6/patches-2.6.28/120-netfilter_upstream_fixes.patch
new file mode 100644
index 000000000..7f2424d9d
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.28/120-netfilter_upstream_fixes.patch
@@ -0,0 +1,100 @@
+--- a/net/ipv4/netfilter/arp_tables.c
++++ b/net/ipv4/netfilter/arp_tables.c
+@@ -374,7 +374,9 @@ static int mark_source_chains(struct xt_
+ && unconditional(&e->arp)) || visited) {
+ unsigned int oldpos, size;
+
+- if (t->verdict < -NF_MAX_VERDICT - 1) {
++ if ((strcmp(t->target.u.user.name,
++ ARPT_STANDARD_TARGET) == 0) &&
++ t->verdict < -NF_MAX_VERDICT - 1) {
+ duprintf("mark_source_chains: bad "
+ "negative verdict (%i)\n",
+ t->verdict);
+--- a/net/ipv4/netfilter/ip_tables.c
++++ b/net/ipv4/netfilter/ip_tables.c
+@@ -74,6 +74,25 @@ do { \
+
+ Hence the start of any table is given by get_table() below. */
+
++static unsigned long ifname_compare(const char *_a, const char *_b,
++ const unsigned char *_mask)
++{
++ const unsigned long *a = (const unsigned long *)_a;
++ const unsigned long *b = (const unsigned long *)_b;
++ const unsigned long *mask = (const unsigned long *)_mask;
++ unsigned long ret;
++
++ ret = (a[0] ^ b[0]) & mask[0];
++ if (IFNAMSIZ > sizeof(unsigned long))
++ ret |= (a[1] ^ b[1]) & mask[1];
++ if (IFNAMSIZ > 2 * sizeof(unsigned long))
++ ret |= (a[2] ^ b[2]) & mask[2];
++ if (IFNAMSIZ > 3 * sizeof(unsigned long))
++ ret |= (a[3] ^ b[3]) & mask[3];
++ BUILD_BUG_ON(IFNAMSIZ > 4 * sizeof(unsigned long));
++ return ret;
++}
++
+ /* Returns whether matches rule or not. */
+ /* Performance critical - called for every packet */
+ static inline bool
+@@ -83,7 +102,6 @@ ip_packet_match(const struct iphdr *ip,
+ const struct ipt_ip *ipinfo,
+ int isfrag)
+ {
+- size_t i;
+ unsigned long ret;
+
+ #define FWINV(bool, invflg) ((bool) ^ !!(ipinfo->invflags & (invflg)))
+@@ -110,12 +128,7 @@ ip_packet_match(const struct iphdr *ip,
+ return false;
+ }
+
+- /* Look for ifname matches; this should unroll nicely. */
+- for (i = 0, ret = 0; i < IFNAMSIZ/sizeof(unsigned long); i++) {
+- ret |= (((const unsigned long *)indev)[i]
+- ^ ((const unsigned long *)ipinfo->iniface)[i])
+- & ((const unsigned long *)ipinfo->iniface_mask)[i];
+- }
++ ret = ifname_compare(indev, ipinfo->iniface, ipinfo->iniface_mask);
+
+ if (FWINV(ret != 0, IPT_INV_VIA_IN)) {
+ dprintf("VIA in mismatch (%s vs %s).%s\n",
+@@ -124,11 +137,7 @@ ip_packet_match(const struct iphdr *ip,
+ return false;
+ }
+
+- for (i = 0, ret = 0; i < IFNAMSIZ/sizeof(unsigned long); i++) {
+- ret |= (((const unsigned long *)outdev)[i]
+- ^ ((const unsigned long *)ipinfo->outiface)[i])
+- & ((const unsigned long *)ipinfo->outiface_mask)[i];
+- }
++ ret = ifname_compare(outdev, ipinfo->outiface, ipinfo->outiface_mask);
+
+ if (FWINV(ret != 0, IPT_INV_VIA_OUT)) {
+ dprintf("VIA out mismatch (%s vs %s).%s\n",
+@@ -523,7 +532,9 @@ mark_source_chains(struct xt_table_info
+ && unconditional(&e->ip)) || visited) {
+ unsigned int oldpos, size;
+
+- if (t->verdict < -NF_MAX_VERDICT - 1) {
++ if ((strcmp(t->target.u.user.name,
++ IPT_STANDARD_TARGET) == 0) &&
++ t->verdict < -NF_MAX_VERDICT - 1) {
+ duprintf("mark_source_chains: bad "
+ "negative verdict (%i)\n",
+ t->verdict);
+--- a/net/ipv6/netfilter/ip6_tables.c
++++ b/net/ipv6/netfilter/ip6_tables.c
+@@ -525,7 +525,9 @@ mark_source_chains(struct xt_table_info
+ && unconditional(&e->ipv6)) || visited) {
+ unsigned int oldpos, size;
+
+- if (t->verdict < -NF_MAX_VERDICT - 1) {
++ if ((strcmp(t->target.u.user.name,
++ IP6T_STANDARD_TARGET) == 0) &&
++ t->verdict < -NF_MAX_VERDICT - 1) {
+ duprintf("mark_source_chains: bad "
+ "negative verdict (%i)\n",
+ t->verdict);