kernel: remove the cisco sip phone patch for 3.7 and 3.8 as well
SVN-Revision: 35310
This commit is contained in:
Felix Fietkau
@@ -1,118 +0,0 @@
|
||||
--- a/include/linux/netfilter/nf_conntrack_sip.h
|
||||
+++ b/include/linux/netfilter/nf_conntrack_sip.h
|
||||
@@ -4,12 +4,15 @@
|
||||
|
||||
#include <net/netfilter/nf_conntrack_expect.h>
|
||||
|
||||
+#include <linux/types.h>
|
||||
+
|
||||
#define SIP_PORT 5060
|
||||
#define SIP_TIMEOUT 3600
|
||||
|
||||
struct nf_ct_sip_master {
|
||||
unsigned int register_cseq;
|
||||
unsigned int invite_cseq;
|
||||
+ __be16 forced_dport;
|
||||
};
|
||||
|
||||
enum sip_expectation_classes {
|
||||
--- a/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,
|
||||
enum ip_conntrack_info ctinfo;
|
||||
struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
|
||||
enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
|
||||
+ struct nf_ct_sip_master *ct_sip_info = nfct_help_data(ct);
|
||||
char buffer[INET6_ADDRSTRLEN + sizeof("[]:nnnnn")];
|
||||
unsigned int buflen;
|
||||
union nf_inet_addr newaddr;
|
||||
@@ -107,7 +108,8 @@ static int map_addr(struct sk_buff *skb,
|
||||
} else if (nf_inet_addr_cmp(&ct->tuplehash[dir].tuple.dst.u3, addr) &&
|
||||
ct->tuplehash[dir].tuple.dst.u.udp.port == port) {
|
||||
newaddr = ct->tuplehash[!dir].tuple.src.u3;
|
||||
- newport = ct->tuplehash[!dir].tuple.src.u.udp.port;
|
||||
+ newport = ct_sip_info->forced_dport ? ct_sip_info->forced_dport :
|
||||
+ ct->tuplehash[!dir].tuple.src.u.udp.port;
|
||||
} else
|
||||
return 1;
|
||||
|
||||
@@ -144,6 +146,7 @@ static unsigned int nf_nat_sip(struct sk
|
||||
enum ip_conntrack_info ctinfo;
|
||||
struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
|
||||
enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
|
||||
+ struct nf_ct_sip_master *ct_sip_info = nfct_help_data(ct);
|
||||
unsigned int coff, matchoff, matchlen;
|
||||
enum sip_header_types hdr;
|
||||
union nf_inet_addr addr;
|
||||
@@ -258,6 +261,20 @@ next:
|
||||
!map_sip_addr(skb, protoff, dataoff, dptr, datalen, SIP_HDR_TO))
|
||||
return NF_DROP;
|
||||
|
||||
+ /* Mangle destination port for Cisco phones, then fix up checksums */
|
||||
+ if (dir == IP_CT_DIR_REPLY && ct_sip_info->forced_dport) {
|
||||
+ struct udphdr *uh;
|
||||
+
|
||||
+ if (!skb_make_writable(skb, skb->len))
|
||||
+ return NF_DROP;
|
||||
+
|
||||
+ uh = (void *)skb->data + protoff;
|
||||
+ uh->dest = ct_sip_info->forced_dport;
|
||||
+
|
||||
+ if (!nf_nat_mangle_udp_packet(skb, ct, ctinfo, protoff, 0, 0, NULL, 0))
|
||||
+ return NF_DROP;
|
||||
+ }
|
||||
+
|
||||
return NF_ACCEPT;
|
||||
}
|
||||
|
||||
@@ -311,8 +328,10 @@ static unsigned int nf_nat_sip_expect(st
|
||||
enum ip_conntrack_info ctinfo;
|
||||
struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
|
||||
enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
|
||||
+ struct nf_ct_sip_master *ct_sip_info = nfct_help_data(ct);
|
||||
union nf_inet_addr newaddr;
|
||||
u_int16_t port;
|
||||
+ __be16 srcport;
|
||||
char buffer[INET6_ADDRSTRLEN + sizeof("[]:nnnnn")];
|
||||
unsigned int buflen;
|
||||
|
||||
@@ -326,8 +345,9 @@ static unsigned int nf_nat_sip_expect(st
|
||||
/* If the signalling port matches the connection's source port in the
|
||||
* original direction, try to use the destination port in the opposite
|
||||
* direction. */
|
||||
- if (exp->tuple.dst.u.udp.port ==
|
||||
- ct->tuplehash[dir].tuple.src.u.udp.port)
|
||||
+ srcport = ct_sip_info->forced_dport ? ct_sip_info->forced_dport :
|
||||
+ ct->tuplehash[dir].tuple.src.u.udp.port;
|
||||
+ if (exp->tuple.dst.u.udp.port == srcport)
|
||||
port = ntohs(ct->tuplehash[!dir].tuple.dst.u.udp.port);
|
||||
else
|
||||
port = ntohs(exp->tuple.dst.u.udp.port);
|
||||
--- a/net/netfilter/nf_conntrack_sip.c
|
||||
+++ b/net/netfilter/nf_conntrack_sip.c
|
||||
@@ -1440,8 +1440,25 @@ static int process_sip_request(struct sk
|
||||
{
|
||||
enum ip_conntrack_info ctinfo;
|
||||
struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
|
||||
+ struct nf_ct_sip_master *ct_sip_info = nfct_help_data(ct);
|
||||
+ enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
|
||||
unsigned int matchoff, matchlen;
|
||||
unsigned int cseq, i;
|
||||
+ union nf_inet_addr addr;
|
||||
+ __be16 port;
|
||||
+
|
||||
+ /* Many Cisco IP phones use a high source port for SIP requests, but
|
||||
+ * listen for the response on port 5060. If we are the local
|
||||
+ * router for one of these phones, save the port number from the
|
||||
+ * Via: header so that nf_nat_sip can redirect the responses to
|
||||
+ * the correct port.
|
||||
+ */
|
||||
+ if (ct_sip_parse_header_uri(ct, *dptr, NULL, *datalen,
|
||||
+ SIP_HDR_VIA_UDP, NULL, &matchoff,
|
||||
+ &matchlen, &addr, &port) > 0 &&
|
||||
+ port != ct->tuplehash[dir].tuple.src.u.udp.port &&
|
||||
+ nf_inet_addr_cmp(&addr, &ct->tuplehash[dir].tuple.src.u3))
|
||||
+ ct_sip_info->forced_dport = port;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(sip_handlers); i++) {
|
||||
const struct sip_handler *handler;
|
||||
@@ -1,118 +0,0 @@
|
||||
--- a/include/linux/netfilter/nf_conntrack_sip.h
|
||||
+++ b/include/linux/netfilter/nf_conntrack_sip.h
|
||||
@@ -4,12 +4,15 @@
|
||||
|
||||
#include <net/netfilter/nf_conntrack_expect.h>
|
||||
|
||||
+#include <linux/types.h>
|
||||
+
|
||||
#define SIP_PORT 5060
|
||||
#define SIP_TIMEOUT 3600
|
||||
|
||||
struct nf_ct_sip_master {
|
||||
unsigned int register_cseq;
|
||||
unsigned int invite_cseq;
|
||||
+ __be16 forced_dport;
|
||||
};
|
||||
|
||||
enum sip_expectation_classes {
|
||||
--- a/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,
|
||||
enum ip_conntrack_info ctinfo;
|
||||
struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
|
||||
enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
|
||||
+ struct nf_ct_sip_master *ct_sip_info = nfct_help_data(ct);
|
||||
char buffer[INET6_ADDRSTRLEN + sizeof("[]:nnnnn")];
|
||||
unsigned int buflen;
|
||||
union nf_inet_addr newaddr;
|
||||
@@ -107,7 +108,8 @@ static int map_addr(struct sk_buff *skb,
|
||||
} else if (nf_inet_addr_cmp(&ct->tuplehash[dir].tuple.dst.u3, addr) &&
|
||||
ct->tuplehash[dir].tuple.dst.u.udp.port == port) {
|
||||
newaddr = ct->tuplehash[!dir].tuple.src.u3;
|
||||
- newport = ct->tuplehash[!dir].tuple.src.u.udp.port;
|
||||
+ newport = ct_sip_info->forced_dport ? ct_sip_info->forced_dport :
|
||||
+ ct->tuplehash[!dir].tuple.src.u.udp.port;
|
||||
} else
|
||||
return 1;
|
||||
|
||||
@@ -144,6 +146,7 @@ static unsigned int nf_nat_sip(struct sk
|
||||
enum ip_conntrack_info ctinfo;
|
||||
struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
|
||||
enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
|
||||
+ struct nf_ct_sip_master *ct_sip_info = nfct_help_data(ct);
|
||||
unsigned int coff, matchoff, matchlen;
|
||||
enum sip_header_types hdr;
|
||||
union nf_inet_addr addr;
|
||||
@@ -258,6 +261,20 @@ next:
|
||||
!map_sip_addr(skb, protoff, dataoff, dptr, datalen, SIP_HDR_TO))
|
||||
return NF_DROP;
|
||||
|
||||
+ /* Mangle destination port for Cisco phones, then fix up checksums */
|
||||
+ if (dir == IP_CT_DIR_REPLY && ct_sip_info->forced_dport) {
|
||||
+ struct udphdr *uh;
|
||||
+
|
||||
+ if (!skb_make_writable(skb, skb->len))
|
||||
+ return NF_DROP;
|
||||
+
|
||||
+ uh = (void *)skb->data + protoff;
|
||||
+ uh->dest = ct_sip_info->forced_dport;
|
||||
+
|
||||
+ if (!nf_nat_mangle_udp_packet(skb, ct, ctinfo, protoff, 0, 0, NULL, 0))
|
||||
+ return NF_DROP;
|
||||
+ }
|
||||
+
|
||||
return NF_ACCEPT;
|
||||
}
|
||||
|
||||
@@ -311,8 +328,10 @@ static unsigned int nf_nat_sip_expect(st
|
||||
enum ip_conntrack_info ctinfo;
|
||||
struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
|
||||
enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
|
||||
+ struct nf_ct_sip_master *ct_sip_info = nfct_help_data(ct);
|
||||
union nf_inet_addr newaddr;
|
||||
u_int16_t port;
|
||||
+ __be16 srcport;
|
||||
char buffer[INET6_ADDRSTRLEN + sizeof("[]:nnnnn")];
|
||||
unsigned int buflen;
|
||||
|
||||
@@ -326,8 +345,9 @@ static unsigned int nf_nat_sip_expect(st
|
||||
/* If the signalling port matches the connection's source port in the
|
||||
* original direction, try to use the destination port in the opposite
|
||||
* direction. */
|
||||
- if (exp->tuple.dst.u.udp.port ==
|
||||
- ct->tuplehash[dir].tuple.src.u.udp.port)
|
||||
+ srcport = ct_sip_info->forced_dport ? ct_sip_info->forced_dport :
|
||||
+ ct->tuplehash[dir].tuple.src.u.udp.port;
|
||||
+ if (exp->tuple.dst.u.udp.port == srcport)
|
||||
port = ntohs(ct->tuplehash[!dir].tuple.dst.u.udp.port);
|
||||
else
|
||||
port = ntohs(exp->tuple.dst.u.udp.port);
|
||||
--- a/net/netfilter/nf_conntrack_sip.c
|
||||
+++ b/net/netfilter/nf_conntrack_sip.c
|
||||
@@ -1440,8 +1440,25 @@ static int process_sip_request(struct sk
|
||||
{
|
||||
enum ip_conntrack_info ctinfo;
|
||||
struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
|
||||
+ struct nf_ct_sip_master *ct_sip_info = nfct_help_data(ct);
|
||||
+ enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
|
||||
unsigned int matchoff, matchlen;
|
||||
unsigned int cseq, i;
|
||||
+ union nf_inet_addr addr;
|
||||
+ __be16 port;
|
||||
+
|
||||
+ /* Many Cisco IP phones use a high source port for SIP requests, but
|
||||
+ * listen for the response on port 5060. If we are the local
|
||||
+ * router for one of these phones, save the port number from the
|
||||
+ * Via: header so that nf_nat_sip can redirect the responses to
|
||||
+ * the correct port.
|
||||
+ */
|
||||
+ if (ct_sip_parse_header_uri(ct, *dptr, NULL, *datalen,
|
||||
+ SIP_HDR_VIA_UDP, NULL, &matchoff,
|
||||
+ &matchlen, &addr, &port) > 0 &&
|
||||
+ port != ct->tuplehash[dir].tuple.src.u.udp.port &&
|
||||
+ nf_inet_addr_cmp(&addr, &ct->tuplehash[dir].tuple.src.u3))
|
||||
+ ct_sip_info->forced_dport = port;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(sip_handlers); i++) {
|
||||
const struct sip_handler *handler;
|
||||
Reference in New Issue
Block a user