openwrt/package/network/utils/xtables-addons/patches/102-rtsp-linux-3.7-compat.patch

--- a/extensions/rtsp/nf_conntrack_rtsp.c
+++ b/extensions/rtsp/nf_conntrack_rtsp.c
@@ -73,7 +73,7 @@ static DEFINE_SPINLOCK(rtsp_buffer_lock)
 static struct nf_conntrack_expect_policy rtsp_exp_policy; 
 
 unsigned int (*nf_nat_rtsp_hook)(struct sk_buff *skb,
-				 enum ip_conntrack_info ctinfo,
+				 enum ip_conntrack_info ctinfo, unsigned int protoff,
 				 unsigned int matchoff, unsigned int matchlen,struct ip_ct_rtsp_expect* prtspexp,
 				 struct nf_conntrack_expect *exp);
 void (*nf_nat_rtsp_hook_expectfn)(struct nf_conn *ct, struct nf_conntrack_expect *exp);
@@ -269,7 +269,7 @@ void expected(struct nf_conn *ct, struct
 
 static inline int
 help_out(struct sk_buff *skb, unsigned char *rb_ptr, unsigned int datalen,
-                struct nf_conn *ct, enum ip_conntrack_info ctinfo)
+	 struct nf_conn *ct, enum ip_conntrack_info ctinfo, unsigned int protoff)
 {
 	struct ip_ct_rtsp_expect expinfo;
 	
@@ -353,7 +353,7 @@ help_out(struct sk_buff *skb, unsigned c
 		nf_nat_rtsp = rcu_dereference(nf_nat_rtsp_hook);
 		if (nf_nat_rtsp && ct->status & IPS_NAT_MASK)
 			/* pass the request off to the nat helper */
-			ret = nf_nat_rtsp(skb, ctinfo, hdrsoff, hdrslen, &expinfo, exp);
+			ret = nf_nat_rtsp(skb, ctinfo, protoff, hdrsoff, hdrslen, &expinfo, exp);
 		else if (nf_ct_expect_related(exp) != 0) {
 			pr_info("nf_conntrack_expect_related failed\n");
 			ret  = NF_DROP;
@@ -420,7 +420,7 @@ static int help(struct sk_buff *skb, uns
 
 	switch (CTINFO2DIR(ctinfo)) {
 	case IP_CT_DIR_ORIGINAL:
-		ret = help_out(skb, rb_ptr, datalen, ct, ctinfo);
+		ret = help_out(skb, rb_ptr, datalen, ct, ctinfo, protoff);
 		break;
 	case IP_CT_DIR_REPLY:
 		pr_debug("IP_CT_DIR_REPLY\n");
--- a/extensions/rtsp/nf_conntrack_rtsp.h
+++ b/extensions/rtsp/nf_conntrack_rtsp.h
@@ -50,6 +50,7 @@ struct ip_ct_rtsp_expect
 
 extern unsigned int (*nf_nat_rtsp_hook)(struct sk_buff *skb,
 				 enum ip_conntrack_info ctinfo,
+				 unsigned int protoff,
 				 unsigned int matchoff, unsigned int matchlen,
 				 struct ip_ct_rtsp_expect *prtspexp,
 				 struct nf_conntrack_expect *exp);
--- a/extensions/rtsp/nf_nat_rtsp.c
+++ b/extensions/rtsp/nf_nat_rtsp.c
@@ -32,10 +32,10 @@
 
 #include <linux/module.h>
 #include <net/tcp.h>
+#include <net/netfilter/nf_conntrack_expect.h>
 #include <net/netfilter/nf_nat_helper.h>
-#include <net/netfilter/nf_nat_rule.h>
+#include <net/netfilter/nf_nat.h>
 #include "nf_conntrack_rtsp.h"
-#include <net/netfilter/nf_conntrack_expect.h>
 
 #include <linux/inet.h>
 #include <linux/ctype.h>
@@ -102,8 +102,8 @@ get_skb_tcpdata(struct sk_buff* skb, cha
 static int
 rtsp_mangle_tran(enum ip_conntrack_info ctinfo,
                  struct nf_conntrack_expect* exp,
-								 struct ip_ct_rtsp_expect* prtspexp,
-                 struct sk_buff* skb, uint tranoff, uint tranlen)
+		 struct ip_ct_rtsp_expect* prtspexp,
+                 struct sk_buff* skb, uint protoff, uint tranoff, uint tranlen)
 {
     char*       ptcp;
     uint        tcplen;
@@ -256,7 +256,7 @@ rtsp_mangle_tran(enum ip_conntrack_info 
                 if (dstact == DSTACT_STRIP || (dstact == DSTACT_AUTO && !is_stun))
                 {
                     diff = nextfieldoff-off;
-                    if (!nf_nat_mangle_tcp_packet(skb, ct, ctinfo,
+                    if (!nf_nat_mangle_tcp_packet(skb, ct, ctinfo, protoff,
                                                          off, diff, NULL, 0))
                     {
                         /* mangle failed, all we can do is bail */
@@ -326,7 +326,7 @@ rtsp_mangle_tran(enum ip_conntrack_info 
                      * parameter 4 below is offset from start of tcp data.
                      */
                     diff = origlen-rbuflen;
-                    if (!nf_nat_mangle_tcp_packet(skb, ct, ctinfo,
+                    if (!nf_nat_mangle_tcp_packet(skb, ct, ctinfo, protoff,
                                               origoff, origlen, rbuf, rbuflen))
                     {
                         /* mangle failed, all we can do is bail */
@@ -351,7 +351,7 @@ rtsp_mangle_tran(enum ip_conntrack_info 
 }
 
 static uint
-help_out(struct sk_buff *skb, enum ip_conntrack_info ctinfo,
+help_out(struct sk_buff *skb, enum ip_conntrack_info ctinfo, unsigned int protoff,
 	 unsigned int matchoff, unsigned int matchlen, struct ip_ct_rtsp_expect* prtspexp, 
 	 struct nf_conntrack_expect* exp)
 {
@@ -389,7 +389,7 @@ help_out(struct sk_buff *skb, enum ip_co
         {
             uint oldtcplen = tcplen;
 	    pr_debug("hdr: Transport\n");
-            if (!rtsp_mangle_tran(ctinfo, exp, prtspexp, skb, lineoff, linelen))
+            if (!rtsp_mangle_tran(ctinfo, exp, prtspexp, skb, protoff, lineoff, linelen))
             {
 		pr_debug("hdr: Transport mangle failed");
                 break;
@@ -407,7 +407,7 @@ help_out(struct sk_buff *skb, enum ip_co
 }
 
 static unsigned int
-help(struct sk_buff *skb, enum ip_conntrack_info ctinfo, 
+help(struct sk_buff *skb, enum ip_conntrack_info ctinfo, unsigned int protoff,
      unsigned int matchoff, unsigned int matchlen, struct ip_ct_rtsp_expect* prtspexp,
      struct nf_conntrack_expect* exp)
 {
@@ -417,7 +417,7 @@ help(struct sk_buff *skb, enum ip_conntr
     switch (dir)
     {
     case IP_CT_DIR_ORIGINAL:
-        rc = help_out(skb, ctinfo, matchoff, matchlen, prtspexp, exp);
+	    rc = help_out(skb, ctinfo, protoff, matchoff, matchlen, prtspexp, exp);
         break;
     case IP_CT_DIR_REPLY:
 	pr_debug("unmangle ! %u\n", ctinfo);
@@ -432,7 +432,7 @@ help(struct sk_buff *skb, enum ip_conntr
 
 static void expected(struct nf_conn* ct, struct nf_conntrack_expect *exp)
 {
-    struct nf_nat_ipv4_multi_range_compat mr;
+    struct nf_nat_range nr;
     u_int32_t newdstip, newsrcip, newip;
 
     struct nf_conn *master = ct->master;
@@ -446,12 +446,13 @@ static void expected(struct nf_conn* ct,
     pr_debug("newsrcip=%pI4, newdstip=%pI4, newip=%pI4\n",
            &newsrcip, &newdstip, &newip);
 
-    mr.rangesize = 1;
+    memset(&nr, 0, sizeof(nr));
+
     // We don't want to manip the per-protocol, just the IPs. 
-    mr.range[0].flags = NF_NAT_RANGE_MAP_IPS;
-    mr.range[0].min_ip = mr.range[0].max_ip = newip;
+    nr.flags = NF_NAT_RANGE_MAP_IPS;
+    nr.min_addr.ip = nr.max_addr.ip = newip;
 
-    nf_nat_setup_info(ct, &mr.range[0], NF_NAT_MANIP_DST);
+    nf_nat_setup_info(ct, &nr, NF_NAT_MANIP_DST);
 }