nf_conntrack_rtsp: update to latest version

Update nf_conntrack_rtsp to latest version based on http://mike.it-loops.com/rtsp/ (rtsp-module-3.7-v2.tar.gz).

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

SVN-Revision: 43311

package/network/utils/xtables-addons/patches/101-rtsp-linux-3.6-compat.patch

@@ -1,22 +0,0 @@
---- a/extensions/rtsp/nf_conntrack_rtsp.c
-+++ b/extensions/rtsp/nf_conntrack_rtsp.c
-@@ -28,6 +28,7 @@
-  * 			- Port to new NF API
-  */
- 
-+#include <linux/version.h>
- #include <linux/module.h>
- #include <linux/netfilter.h>
- #include <linux/ip.h>
-@@ -496,7 +497,11 @@ init(void)
- 		} else {
- 			sprintf(tmpname, "rtsp-%d", i);
- 		}
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)
-+		strncpy(hlpr->name, tmpname, sizeof(hlpr->name));
-+#else
- 		hlpr->name = tmpname;
-+#endif
- 
- 		pr_debug("port #%d: %d\n", i, ports[i]);
- 

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

@@ -1,155 +0,0 @@
---- 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);
- }
- 
-