-diff -Nurb linux-2.6.22-521/include/linux/netfilter/xt_MARK.h linux-2.6.22-522/include/linux/netfilter/xt_MARK.h
---- linux-2.6.22-521/include/linux/netfilter/xt_MARK.h 2007-07-08 19:32:17.000000000 -0400
-+++ linux-2.6.22-522/include/linux/netfilter/xt_MARK.h 2008-09-17 17:59:53.000000000 -0400
+diff -Nurb linux-2.6.27-521/include/linux/netfilter/xt_MARK.h linux-2.6.27-522/include/linux/netfilter/xt_MARK.h
+--- linux-2.6.27-521/include/linux/netfilter/xt_MARK.h 2008-10-09 18:13:53.000000000 -0400
++++ linux-2.6.27-522/include/linux/netfilter/xt_MARK.h 2009-12-10 12:09:35.000000000 -0500
@@ -11,6 +11,7 @@
XT_MARK_SET=0,
XT_MARK_AND,
};
struct xt_mark_target_info_v1 {
-diff -Nurb linux-2.6.22-521/include/linux/netfilter/xt_SETXID.h linux-2.6.22-522/include/linux/netfilter/xt_SETXID.h
---- linux-2.6.22-521/include/linux/netfilter/xt_SETXID.h 1969-12-31 19:00:00.000000000 -0500
-+++ linux-2.6.22-522/include/linux/netfilter/xt_SETXID.h 2008-09-17 17:59:53.000000000 -0400
+diff -Nurb linux-2.6.27-521/include/linux/netfilter/xt_SETXID.h linux-2.6.27-522/include/linux/netfilter/xt_SETXID.h
+--- linux-2.6.27-521/include/linux/netfilter/xt_SETXID.h 1969-12-31 19:00:00.000000000 -0500
++++ linux-2.6.27-522/include/linux/netfilter/xt_SETXID.h 2009-12-10 12:09:35.000000000 -0500
@@ -0,0 +1,14 @@
+#ifndef _XT_SETXID_H_target
+#define _XT_SETXID_H_target
+};
+
+#endif /*_XT_SETXID_H_target*/
-diff -Nurb linux-2.6.22-521/include/linux/netfilter_ipv4/ipt_MARK.h linux-2.6.22-522/include/linux/netfilter_ipv4/ipt_MARK.h
---- linux-2.6.22-521/include/linux/netfilter_ipv4/ipt_MARK.h 2007-07-08 19:32:17.000000000 -0400
-+++ linux-2.6.22-522/include/linux/netfilter_ipv4/ipt_MARK.h 2008-09-17 17:59:53.000000000 -0400
+diff -Nurb linux-2.6.27-521/include/linux/netfilter_ipv4/ipt_MARK.h linux-2.6.27-522/include/linux/netfilter_ipv4/ipt_MARK.h
+--- linux-2.6.27-521/include/linux/netfilter_ipv4/ipt_MARK.h 2008-10-09 18:13:53.000000000 -0400
++++ linux-2.6.27-522/include/linux/netfilter_ipv4/ipt_MARK.h 2009-12-10 12:09:35.000000000 -0500
@@ -12,6 +12,7 @@
#define IPT_MARK_SET XT_MARK_SET
#define IPT_MARK_AND XT_MARK_AND
#define ipt_mark_target_info_v1 xt_mark_target_info_v1
-diff -Nurb linux-2.6.22-521/include/linux/netfilter_ipv4/ipt_SETXID.h linux-2.6.22-522/include/linux/netfilter_ipv4/ipt_SETXID.h
---- linux-2.6.22-521/include/linux/netfilter_ipv4/ipt_SETXID.h 1969-12-31 19:00:00.000000000 -0500
-+++ linux-2.6.22-522/include/linux/netfilter_ipv4/ipt_SETXID.h 2008-09-17 17:59:53.000000000 -0400
+diff -Nurb linux-2.6.27-521/include/linux/netfilter_ipv4/ipt_SETXID.h linux-2.6.27-522/include/linux/netfilter_ipv4/ipt_SETXID.h
+--- linux-2.6.27-521/include/linux/netfilter_ipv4/ipt_SETXID.h 1969-12-31 19:00:00.000000000 -0500
++++ linux-2.6.27-522/include/linux/netfilter_ipv4/ipt_SETXID.h 2009-12-10 12:09:35.000000000 -0500
@@ -0,0 +1,13 @@
+#ifndef _IPT_SETXID_H_target
+#define _IPT_SETXID_H_target
+#define ipt_setxid_target_info_v1 xt_setxid_target_info_v1
+
+#endif /*_IPT_SETXID_H_target*/
-diff -Nurb linux-2.6.22-521/include/net/netfilter/nf_conntrack.h linux-2.6.22-522/include/net/netfilter/nf_conntrack.h
---- linux-2.6.22-521/include/net/netfilter/nf_conntrack.h 2007-07-08 19:32:17.000000000 -0400
-+++ linux-2.6.22-522/include/net/netfilter/nf_conntrack.h 2008-09-17 17:59:53.000000000 -0400
-@@ -131,6 +131,9 @@
+diff -Nurb linux-2.6.27-521/include/net/netfilter/nf_conntrack.h linux-2.6.27-522/include/net/netfilter/nf_conntrack.h
+--- linux-2.6.27-521/include/net/netfilter/nf_conntrack.h 2008-10-09 18:13:53.000000000 -0400
++++ linux-2.6.27-522/include/net/netfilter/nf_conntrack.h 2009-12-10 12:09:35.000000000 -0500
+@@ -121,6 +121,9 @@
/* Storage reserved for other modules: */
union nf_conntrack_proto proto;
+ /* PLANETLAB. VNET-specific */
+ int xid[IP_CT_DIR_MAX];
+
- /* features dynamically at the end: helper, nat (both optional) */
- char data[0];
- };
-diff -Nurb linux-2.6.22-521/net/netfilter/Kconfig linux-2.6.22-522/net/netfilter/Kconfig
---- linux-2.6.22-521/net/netfilter/Kconfig 2007-07-08 19:32:17.000000000 -0400
-+++ linux-2.6.22-522/net/netfilter/Kconfig 2008-09-17 17:59:53.000000000 -0400
-@@ -389,6 +389,13 @@
+ /* Extensions */
+ struct nf_ct_ext *ext;
- To compile it as a module, choose M here. If unsure, say N.
+diff -Nurb linux-2.6.27-521/net/netfilter/Kconfig linux-2.6.27-522/net/netfilter/Kconfig
+--- linux-2.6.27-521/net/netfilter/Kconfig 2008-10-09 18:13:53.000000000 -0400
++++ linux-2.6.27-522/net/netfilter/Kconfig 2009-12-10 12:09:35.000000000 -0500
+@@ -477,6 +477,13 @@
+ This option adds a "TCPOPTSTRIP" target, which allows you to strip
+ TCP options from TCP packets.
+config NETFILTER_XT_TARGET_SETXID
+ tristate '"SETXID" target support'
config NETFILTER_XT_MATCH_COMMENT
tristate '"comment" match support'
depends on NETFILTER_XTABLES
-diff -Nurb linux-2.6.22-521/net/netfilter/Makefile linux-2.6.22-522/net/netfilter/Makefile
---- linux-2.6.22-521/net/netfilter/Makefile 2007-07-08 19:32:17.000000000 -0400
-+++ linux-2.6.22-522/net/netfilter/Makefile 2008-09-17 17:59:53.000000000 -0400
-@@ -37,6 +37,7 @@
+diff -Nurb linux-2.6.27-521/net/netfilter/Makefile linux-2.6.27-522/net/netfilter/Makefile
+--- linux-2.6.27-521/net/netfilter/Makefile 2008-10-09 18:13:53.000000000 -0400
++++ linux-2.6.27-522/net/netfilter/Makefile 2009-12-10 12:09:35.000000000 -0500
+@@ -38,6 +38,7 @@
obj-$(CONFIG_NETFILTER_XTABLES) += x_tables.o xt_tcpudp.o
# targets
+obj-$(CONFIG_NETFILTER_XT_TARGET_SETXID) += xt_SETXID.o
obj-$(CONFIG_NETFILTER_XT_TARGET_CLASSIFY) += xt_CLASSIFY.o
obj-$(CONFIG_NETFILTER_XT_TARGET_CONNMARK) += xt_CONNMARK.o
- obj-$(CONFIG_NETFILTER_XT_TARGET_DSCP) += xt_DSCP.o
-diff -Nurb linux-2.6.22-521/net/netfilter/nf_conntrack_core.c linux-2.6.22-522/net/netfilter/nf_conntrack_core.c
---- linux-2.6.22-521/net/netfilter/nf_conntrack_core.c 2007-07-08 19:32:17.000000000 -0400
-+++ linux-2.6.22-522/net/netfilter/nf_conntrack_core.c 2008-09-17 17:59:53.000000000 -0400
-@@ -726,6 +726,8 @@
-
+ obj-$(CONFIG_NETFILTER_XT_TARGET_CONNSECMARK) += xt_CONNSECMARK.o
+diff -Nurb linux-2.6.27-521/net/netfilter/nf_conntrack_core.c linux-2.6.27-522/net/netfilter/nf_conntrack_core.c
+--- linux-2.6.27-521/net/netfilter/nf_conntrack_core.c 2008-10-09 18:13:53.000000000 -0400
++++ linux-2.6.27-522/net/netfilter/nf_conntrack_core.c 2009-12-10 12:09:35.000000000 -0500
+@@ -595,6 +595,9 @@
/* Overload tuple linked list to put us in unconfirmed list. */
- list_add(&conntrack->tuplehash[IP_CT_DIR_ORIGINAL].list, &unconfirmed);
-+ conntrack->xid[IP_CT_DIR_ORIGINAL] = -1;
-+ conntrack->xid[IP_CT_DIR_REPLY] = -1;
+ hlist_add_head(&ct->tuplehash[IP_CT_DIR_ORIGINAL].hnode, &unconfirmed);
- write_unlock_bh(&nf_conntrack_lock);
-
-diff -Nurb linux-2.6.22-521/net/netfilter/xt_MARK.c linux-2.6.22-522/net/netfilter/xt_MARK.c
---- linux-2.6.22-521/net/netfilter/xt_MARK.c 2007-07-08 19:32:17.000000000 -0400
-+++ linux-2.6.22-522/net/netfilter/xt_MARK.c 2008-09-17 18:29:52.000000000 -0400
-@@ -5,13 +5,19 @@
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-+ *
- */
++ ct->xid[IP_CT_DIR_ORIGINAL] = -1;
++ ct->xid[IP_CT_DIR_REPLY] = -1;
++
+ spin_unlock_bh(&nf_conntrack_lock);
+ if (exp) {
+diff -Nurb linux-2.6.27-521/net/netfilter/xt_MARK.c linux-2.6.27-522/net/netfilter/xt_MARK.c
+--- linux-2.6.27-521/net/netfilter/xt_MARK.c 2008-10-09 18:13:53.000000000 -0400
++++ linux-2.6.27-522/net/netfilter/xt_MARK.c 2009-12-16 01:39:55.000000000 -0500
+@@ -13,7 +13,13 @@
#include <linux/module.h>
-+#include <linux/version.h>
#include <linux/skbuff.h>
#include <linux/ip.h>
+#include <net/udp.h>
#include <net/checksum.h>
+#include <net/route.h>
+#include <net/inet_hashtables.h>
-
++#include <net/net_namespace.h>
++
+#include <net/netfilter/nf_conntrack.h>
+
#include <linux/netfilter/x_tables.h>
#include <linux/netfilter/xt_MARK.h>
-
-@@ -21,6 +27,50 @@
+@@ -24,6 +30,8 @@
MODULE_ALIAS("ipt_MARK");
MODULE_ALIAS("ip6t_MARK");
++extern DEFINE_PER_CPU(int, sknid_elevator);
++
+ static unsigned int
+ mark_tg_v0(struct sk_buff *skb, const struct net_device *in,
+ const struct net_device *out, unsigned int hooknum,
+@@ -61,14 +69,256 @@
+ return XT_CONTINUE;
+ }
+
+#define PEERCRED_SET(x) ((x!=0) && (x!=(unsigned int)-1))
+
++
+static inline u_int16_t
+get_dst_port(struct nf_conntrack_tuple *tuple)
+{
+ switch (tuple->dst.protonum) {
+ case IPPROTO_GRE:
+ /* XXX Truncate 32-bit GRE key to 16 bits */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,11)
+ return tuple->dst.u.gre.key;
-+#else
-+ return htons(ntohl(tuple->dst.u.gre.key));
-+#endif
+ case IPPROTO_ICMP:
+ /* Bind on ICMP echo ID */
+ return tuple->src.u.icmp.id;
+ return tuple->src.u.all;
+ }
+}
++
++static struct sock *__udp4_lib_lookup(struct net *net, __be32 saddr,
++ __be16 sport, __be32 daddr, __be16 dport,
++ int dif, struct hlist_head udptable[])
++{
++ struct sock *sk, *result = NULL;
++ struct hlist_node *node;
++ unsigned short hnum = ntohs(dport);
++ int badness = -1;
++
++ read_lock(&udp_hash_lock);
++ sk_for_each(sk, node, &udptable[udp_hashfn(net, hnum)]) {
++ struct inet_sock *inet = inet_sk(sk);
++
++ if (net_eq(sock_net(sk), net) && sk->sk_hash == hnum &&
++ !ipv6_only_sock(sk)) {
++ int score = (sk->sk_family == PF_INET ? 1 : 0);
++
++ if (inet->rcv_saddr) {
++ if (inet->rcv_saddr != daddr)
++ continue;
++ score+=2;
++ } else {
++ /* block non nx_info ips */
++ if (!v4_addr_in_nx_info(sk->sk_nx_info,
++ daddr, NXA_MASK_BIND))
++ continue;
++ }
++ if (inet->daddr) {
++ if (inet->daddr != saddr)
++ continue;
++ score+=2;
++ }
++ if (inet->dport) {
++ if (inet->dport != sport)
++ continue;
++ score+=2;
++ }
++ if (sk->sk_bound_dev_if) {
++ if (sk->sk_bound_dev_if != dif)
++ continue;
++ score+=2;
++ }
++ if (score == 9) {
++ result = sk;
++ break;
++ } else if (score > badness) {
++ result = sk;
++ badness = score;
++ }
++ }
++ }
++
++ if (result)
++ sock_hold(result);
++ read_unlock(&udp_hash_lock);
++ return result;
++}
++
++int onceonly = 1;
+
static unsigned int
- target_v0(struct sk_buff **pskb,
- const struct net_device *in,
-@@ -35,6 +85,68 @@
- return XT_CONTINUE;
- }
-
-+extern DEFINE_PER_CPU(int, sknid_elevator);
+ mark_tg(struct sk_buff *skb, const struct net_device *in,
+ const struct net_device *out, unsigned int hooknum,
+ const struct xt_target *target, const void *targinfo)
+ {
+ const struct xt_mark_tginfo2 *info = targinfo;
++ long mark = -1;
++ enum ip_conntrack_info ctinfo;
++ struct sock *connection_sk;
++ int dif;
++ struct nf_conn *ct;
++ extern struct inet_hashinfo tcp_hashinfo;
++ enum ip_conntrack_dir dir;
++ int *curtag;
++ u_int32_t src_ip;
++ u_int32_t dst_ip;
++ u_int16_t proto, src_port;
++ u_int32_t ip;
++ u_int16_t port;
++
++
++ if (info->mark == ~0U) {
++ // As of 2.6.27.39, Dec 8 2009,
++ // NetNS + VNET = Trouble
++ // Let's handle this as a special case
++ struct net *net = dev_net(skb->dev);
++ if (!net_eq(net, &init_net)) {
++ WARN_ON(onceonly);
++ onceonly = 0;
++ return XT_CONTINUE;
++ }
+
-+static struct sock *__udp4_lib_lookup(__be32 saddr, __be16 sport,
-+ __be32 daddr, __be16 dport,
-+ int dif, struct hlist_head udptable[])
-+{
-+ struct sock *sk, *result = NULL;
-+ struct hlist_node *node;
-+ unsigned short hnum = ntohs(dport);
-+ int badness = -1;
-+
-+ read_lock(&udp_hash_lock);
-+
-+ sk_for_each(sk, node, &udptable[hnum & (UDP_HTABLE_SIZE - 1)]) {
-+ struct inet_sock *inet = inet_sk(sk);
-+
-+ if (sk->sk_hash == hnum && !ipv6_only_sock(sk)) {
-+ int score = (sk->sk_family == PF_INET ? 1 : 0);
-+
-+ if (inet->rcv_saddr) {
-+ if (inet->rcv_saddr != daddr)
-+ continue;
-+ score+=2;
-+ } else {
-+ /* block non nx_info ips */
-+ if (!v4_addr_in_nx_info(sk->sk_nx_info,
-+ daddr, NXA_MASK_BIND))
-+ continue;
-+ }
-+ if (inet->daddr) {
-+ if (inet->daddr != saddr)
-+ continue;
-+ score+=2;
++ /* copy-xid */
++ dif = ((struct rtable *)(skb->dst))->rt_iif;
++
++ ct = nf_ct_get(skb, &ctinfo);
++ if (!ct)
++ goto out_mark_finish;
++
++ dir = CTINFO2DIR(ctinfo);
++ src_ip = ct->tuplehash[dir].tuple.src.u3.ip;
++ dst_ip = ct->tuplehash[dir].tuple.dst.u3.ip;
++ src_port = get_src_port(&ct->tuplehash[dir].tuple);
++ proto = ct->tuplehash[dir].tuple.dst.protonum;
++
++ ip = ct->tuplehash[dir].tuple.dst.u3.ip;
++ port = get_dst_port(&ct->tuplehash[dir].tuple);
++
++ if (proto == 1) {
++ if (skb->mark > 0)
++ /* The packet is marked, it's going out */
++ ct->xid[0] = skb->mark;
++
++ if (ct->xid[0] > 0)
++ mark = ct->xid[0];
++ }
++ else if (proto == 17) {
++ struct sock *sk;
++ if (!skb->mark) {
++ sk = __udp4_lib_lookup(net,src_ip, src_port,
++ ip, port, dif, udp_hash);
++
++ if (sk && hooknum == NF_INET_LOCAL_IN)
++ mark = sk->sk_nid;
++
++ if (sk)
++ sock_put(sk);
+ }
-+ if (inet->dport) {
-+ if (inet->dport != sport)
-+ continue;
-+ score+=2;
++ else if (skb->mark > 0)
++ /* The packet is marked, it's going out */
++ ct->xid[0] = skb->mark;
++ }
++ else if (proto == 6) /* TCP */{
++ int sockettype = 0; /* Established socket */
++
++ /* Looks for an established socket or a listening
++ socket corresponding to the 4-tuple, in that order.
++ The order is important for Codemux connections
++ to be handled properly */
++
++ connection_sk = inet_lookup_established(net,
++ &tcp_hashinfo, src_ip, src_port, ip, port, dif);
++
++ if (!connection_sk) {
++ connection_sk = inet_lookup_listener(net,
++ &tcp_hashinfo, ip, port, dif);
++ sockettype = 1; /* Listening socket */
+ }
-+ if (sk->sk_bound_dev_if) {
-+ if (sk->sk_bound_dev_if != dif)
-+ continue;
-+ score+=2;
++
++ if (connection_sk) {
++ if (connection_sk->sk_state == TCP_TIME_WAIT) {
++ inet_twsk_put(inet_twsk(connection_sk));
++ goto out_mark_finish;
++ }
++
++ /* The peercred is not set. We set it if the other side has an xid. */
++ if (!PEERCRED_SET(connection_sk->sk_peercred.uid)
++ && ct->xid[!dir] > 0 && (sockettype == 0)) {
++ connection_sk->sk_peercred.gid =
++ connection_sk->sk_peercred.uid = ct->xid[!dir];
++ }
++
++ /* The peercred is set, and is not equal to the XID of 'the other side' */
++ else if (PEERCRED_SET(connection_sk->sk_peercred.uid) &&
++ (connection_sk->sk_peercred.uid != ct->xid[!dir]) &&
++ (sockettype == 0)) {
++ mark = connection_sk->sk_peercred.uid;
++ }
++
++ /* Has this connection already been tagged? */
++ if (ct->xid[dir] < 1) {
++ /* No - let's tag it */
++ ct->xid[dir]=connection_sk->sk_nid;
++ }
++
++ if (mark == -1 && (ct->xid[dir] != 0))
++ mark = ct->xid[dir];
++
++ sock_put(connection_sk);
+ }
-+ if (score == 9) {
-+ result = sk;
-+ break;
-+ } else if (score > badness) {
-+ result = sk;
-+ badness = score;
++
++ /* All else failed. Is this a connection over raw sockets?
++ That explains why we couldn't get anything out of skb->sk,
++ or look up a "real" connection. */
++ if (ct->xid[dir] < 1) {
++ if (skb->skb_tag)
++ ct->xid[dir] = skb->skb_tag;
+ }
++
++ /* Covers CoDemux case */
++ if (mark < 1 && (ct->xid[dir] > 0))
++ mark = ct->xid[dir];
++
++ if (mark < 1 && (ct->xid[!dir] > 0))
++ mark = ct->xid[!dir];
++ goto out_mark_finish;
+ }
+ }
++ else
++ mark = (skb->mark & ~info->mask) ^ info->mark;
+
-+ if (result)
-+ sock_hold(result);
-+ read_unlock(&udp_hash_lock);
-+ return result;
-+}
-+
-+#define related(ct) (ct==(IP_CT_IS_REPLY + IP_CT_RELATED))
++out_mark_finish:
++ if (mark != -1)
++ skb->mark = mark;
+
- static unsigned int
- target_v1(struct sk_buff **pskb,
- const struct net_device *in,
-@@ -44,7 +156,20 @@
- const void *targinfo)
- {
- const struct xt_mark_target_info_v1 *markinfo = targinfo;
-- int mark = 0;
-+ enum ip_conntrack_info ctinfo;
-+ struct sock *connection_sk;
-+ int dif;
-+ struct nf_conn *ct;
-+ extern struct inet_hashinfo tcp_hashinfo;
-+ enum ip_conntrack_dir dir;
-+ int *curtag;
-+ u_int32_t src_ip;
-+ u_int32_t dst_ip;
-+ u_int16_t proto, src_port;
-+ u_int32_t ip;
-+ u_int16_t port;
-+
-+ int mark = -1;
-
- switch (markinfo->mode) {
- case XT_MARK_SET:
-@@ -58,13 +183,126 @@
- case XT_MARK_OR:
- mark = (*pskb)->mark | markinfo->mark;
- break;
-+
-+ case XT_MARK_COPYXID:
-+ dif = ((struct rtable *)(*pskb)->dst)->rt_iif;
-+
-+ ct = nf_ct_get((*pskb), &ctinfo);
-+ if (!ct)
-+ break;
-+
-+ dir = CTINFO2DIR(ctinfo);
-+ src_ip = ct->tuplehash[dir].tuple.src.u3.ip;
-+ dst_ip = ct->tuplehash[dir].tuple.dst.u3.ip;
-+ src_port = get_src_port(&ct->tuplehash[dir].tuple);
-+ proto = ct->tuplehash[dir].tuple.dst.protonum;
-+
-+ ip = ct->tuplehash[dir].tuple.dst.u3.ip;
-+ port = get_dst_port(&ct->tuplehash[dir].tuple);
-+
-+ if (proto == 1) {
-+ if ((*pskb)->mark>0) /* The packet is marked, it's going out */
-+ {
-+ ct->xid[0]=(*pskb)->mark;
-+ }
-+
-+ if (ct->xid[0] > 0) {
-+ mark = ct->xid[0];
-+ }
-+ }
-+ else if (proto == 17) {
-+ struct sock *sk;
-+ if (!(*pskb)->mark) {
-+ sk = __udp4_lib_lookup(src_ip, src_port, ip, port,
-+ dif, udp_hash);
-+
-+ if (sk && hooknum==NF_IP_LOCAL_IN) {
-+ mark=sk->sk_nid;
-+ }
-+
-+ if (sk) {
-+ sock_put(sk);
-+ }
-+ }
-+ else
-+ if ((*pskb)->mark>0) /* The packet is marked, it's going out */
-+ {
-+ ct->xid[0]=(*pskb)->mark;
-+ }
-+ }
-+ else if (proto == 6) /* TCP */{
-+ int sockettype=0; /* Established socket */
-+ /* Looks for an established socket or a listening socket corresponding to the 4-tuple, in
-+ * that order. The order is important for Codemux connections to be handled properly */
-+
-+ connection_sk = inet_lookup_established(&tcp_hashinfo, src_ip, src_port, ip, port, dif);
-+
-+ if (!connection_sk) {
-+ connection_sk = inet_lookup_listener(&tcp_hashinfo, ip, port, dif);
-+ sockettype=1; /* Listening socket */
-+ }
-+
-+ if (connection_sk) {
-+ /* The peercred is not set. We set it if the other side has an xid. */
-+ if (!PEERCRED_SET(connection_sk->sk_peercred.uid)
-+ && ct->xid[!dir]>0 && (sockettype==0)) {
-+ connection_sk->sk_peercred.gid = connection_sk->sk_peercred.uid = ct->xid[!dir];
-+ }
-+
-+ /* The peercred is set, and is not equal to the XID of 'the other side' */
-+ else if (PEERCRED_SET(connection_sk->sk_peercred.uid) && (connection_sk->sk_peercred.uid != ct->xid[!dir]) && (sockettype==0)) {
-+ mark = connection_sk->sk_peercred.uid;
-+ }
-+
-+ /* Has this connection already been tagged? */
-+ if (ct->xid[dir] < 1) {
-+ /* No - let's tag it */
-+ ct->xid[dir]=connection_sk->sk_nid;
-+
-+ }
-+
-+ if (mark==-1 && (ct->xid[dir]!= 0))
-+ mark = ct->xid[dir];
-+
-+ if (connection_sk->sk_state == TCP_TIME_WAIT) {
-+ inet_twsk_put(inet_twsk(connection_sk));
-+ break;
-+ }
-+ else
-+ sock_put(connection_sk);
- }
++ curtag = &__get_cpu_var(sknid_elevator);
++ if (mark > 0 && *curtag == -2 && hooknum == NF_INET_LOCAL_IN)
++ *curtag = mark;
-+ /* All else failed. Is this a connection over raw sockets? That explains
-+ * why we couldn't get anything out of skb->sk, or look up a "real" connection.*/
-+ if (ct->xid[dir]<1) {
-+ if ((*pskb)->skb_tag) {
-+ ct->xid[dir]=(*pskb)->skb_tag;
-+ }
-+ }
-+
-+ /* Covers CoDemux case */
-+ if (mark < 1 && (ct->xid[dir]>0)) {
-+ mark = ct->xid[dir];
-+ }
-+
-+ if (mark < 1 && (ct->xid[!dir]>0)) {
-+ mark = ct->xid[!dir];
-+ }
-+ break;
-+ }
-+ }
-+ if (mark != -1) {
- (*pskb)->mark = mark;
-+ }
-+
-+ curtag=&__get_cpu_var(sknid_elevator);
-+ if (mark > 0 && *curtag==-2 && hooknum==NF_IP_LOCAL_IN)
-+ {
-+ *curtag = mark;
-+ }
+- skb->mark = (skb->mark & ~info->mask) ^ info->mark;
return XT_CONTINUE;
}
--
- static int
- checkentry_v0(const char *tablename,
- const void *entry,
-@@ -92,7 +330,8 @@
-
- if (markinfo->mode != XT_MARK_SET
- && markinfo->mode != XT_MARK_AND
-- && markinfo->mode != XT_MARK_OR) {
-+ && markinfo->mode != XT_MARK_OR
-+ && markinfo->mode != XT_MARK_COPYXID) {
- printk(KERN_WARNING "MARK: unknown mode %u\n",
- markinfo->mode);
- return 0;
-diff -Nurb linux-2.6.22-521/net/netfilter/xt_SETXID.c linux-2.6.22-522/net/netfilter/xt_SETXID.c
---- linux-2.6.22-521/net/netfilter/xt_SETXID.c 1969-12-31 19:00:00.000000000 -0500
-+++ linux-2.6.22-522/net/netfilter/xt_SETXID.c 2008-09-17 17:59:53.000000000 -0400
+diff -Nurb linux-2.6.27-521/net/netfilter/xt_SETXID.c linux-2.6.27-522/net/netfilter/xt_SETXID.c
+--- linux-2.6.27-521/net/netfilter/xt_SETXID.c 1969-12-31 19:00:00.000000000 -0500
++++ linux-2.6.27-522/net/netfilter/xt_SETXID.c 2009-12-10 12:09:35.000000000 -0500
@@ -0,0 +1,79 @@
+#include <linux/module.h>
+#include <linux/skbuff.h>
git://git.onelab.eu / linux-2.6.git / blobdiff