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kernel: Fix Cisco SIP NAT patch to build with 3.7

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Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34753 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg 2012-12-18 14:50:45 +00:00
parent 051c0da80c
commit 71fe27881e
1 changed files with 14 additions and 8 deletions
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22
target/linux/generic/patches-3.7/604-netfilter_cisco_794x_iphone.patch
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@ -1,3 +1,5 @@
diff --git a/include/linux/netfilter/nf_conntrack_sip.h b/include/linux/netfilter/nf_conntrack_sip.h
index 387bdd0..ba7f571 100644
--- a/include/linux/netfilter/nf_conntrack_sip.h --- a/include/linux/netfilter/nf_conntrack_sip.h
+++ b/include/linux/netfilter/nf_conntrack_sip.h +++ b/include/linux/netfilter/nf_conntrack_sip.h
@@ -4,12 +4,15 @@ @@ -4,12 +4,15 @@
@ -16,9 +18,11 @@
}; };
enum sip_expectation_classes { enum sip_expectation_classes {
diff --git a/net/netfilter/nf_nat_sip.c b/net/netfilter/nf_nat_sip.c
index 16303c7..552e270 100644
--- a/net/netfilter/nf_nat_sip.c --- a/net/netfilter/nf_nat_sip.c
+++ b/net/netfilter/nf_nat_sip.c +++ b/net/netfilter/nf_nat_sip.c
@@ -95,6 +95,7 @@ static int map_addr(struct sk_buff *skb, @@ -95,6 +95,7 @@ static int map_addr(struct sk_buff *skb, unsigned int protoff,
enum ip_conntrack_info ctinfo; enum ip_conntrack_info ctinfo;
struct nf_conn *ct = nf_ct_get(skb, &ctinfo); struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo); enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
@ -26,7 +30,7 @@
char buffer[INET6_ADDRSTRLEN + sizeof("[]:nnnnn")]; char buffer[INET6_ADDRSTRLEN + sizeof("[]:nnnnn")];
unsigned int buflen; unsigned int buflen;
union nf_inet_addr newaddr; union nf_inet_addr newaddr;
@@ -107,7 +108,8 @@ static int map_addr(struct sk_buff *skb, @@ -107,7 +108,8 @@ static int map_addr(struct sk_buff *skb, unsigned int protoff,
} else if (nf_inet_addr_cmp(&ct->tuplehash[dir].tuple.dst.u3, addr) && } else if (nf_inet_addr_cmp(&ct->tuplehash[dir].tuple.dst.u3, addr) &&
ct->tuplehash[dir].tuple.dst.u.udp.port == port) { ct->tuplehash[dir].tuple.dst.u.udp.port == port) {
newaddr = ct->tuplehash[!dir].tuple.src.u3; newaddr = ct->tuplehash[!dir].tuple.src.u3;
@ -36,7 +40,7 @@
} else } else
return 1; return 1;
@@ -144,6 +146,7 @@ static unsigned int nf_nat_sip(struct sk @@ -144,6 +146,7 @@ static unsigned int nf_nat_sip(struct sk_buff *skb, unsigned int protoff,
enum ip_conntrack_info ctinfo; enum ip_conntrack_info ctinfo;
struct nf_conn *ct = nf_ct_get(skb, &ctinfo); struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo); enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
@ -55,17 +59,17 @@
+ if (!skb_make_writable(skb, skb->len)) + if (!skb_make_writable(skb, skb->len))
+ return NF_DROP; + return NF_DROP;
+ +
+ uh = (struct udphdr *)(skb->data + ip_hdrlen(skb)); + uh = (void *)skb->data + protoff;
+ uh->dest = ct_sip_info->forced_dport; + uh->dest = ct_sip_info->forced_dport;
+ +
+ if (!nf_nat_mangle_udp_packet(skb, ct, ctinfo, 0, 0, NULL, 0)) + if (!nf_nat_mangle_udp_packet(skb, ct, ctinfo, protoff, 0, 0, NULL, 0))
+ return NF_DROP; + return NF_DROP;
+ } + }
+ +
return NF_ACCEPT; return NF_ACCEPT;
} }
@@ -311,8 +328,10 @@ static unsigned int nf_nat_sip_expect(st @@ -311,8 +328,10 @@ static unsigned int nf_nat_sip_expect(struct sk_buff *skb, unsigned int protoff,
enum ip_conntrack_info ctinfo; enum ip_conntrack_info ctinfo;
struct nf_conn *ct = nf_ct_get(skb, &ctinfo); struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo); enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
@ -76,7 +80,7 @@
char buffer[INET6_ADDRSTRLEN + sizeof("[]:nnnnn")]; char buffer[INET6_ADDRSTRLEN + sizeof("[]:nnnnn")];
unsigned int buflen; unsigned int buflen;
@@ -326,8 +345,9 @@ static unsigned int nf_nat_sip_expect(st @@ -326,8 +345,9 @@ static unsigned int nf_nat_sip_expect(struct sk_buff *skb, unsigned int protoff,
/* If the signalling port matches the connection's source port in the /* If the signalling port matches the connection's source port in the
* original direction, try to use the destination port in the opposite * original direction, try to use the destination port in the opposite
* direction. */ * direction. */
@ -88,9 +92,11 @@
port = ntohs(ct->tuplehash[!dir].tuple.dst.u.udp.port); port = ntohs(ct->tuplehash[!dir].tuple.dst.u.udp.port);
else else
port = ntohs(exp->tuple.dst.u.udp.port); port = ntohs(exp->tuple.dst.u.udp.port);
diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index df8f4f2..72a67bb 100644
--- a/net/netfilter/nf_conntrack_sip.c --- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c +++ b/net/netfilter/nf_conntrack_sip.c
@@ -1440,8 +1440,25 @@ static int process_sip_request(struct sk @@ -1440,8 +1440,25 @@ static int process_sip_request(struct sk_buff *skb, unsigned int protoff,
{ {
enum ip_conntrack_info ctinfo; enum ip_conntrack_info ctinfo;
struct nf_conn *ct = nf_ct_get(skb, &ctinfo); struct nf_conn *ct = nf_ct_get(skb, &ctinfo);