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