#include <net/netfilter/nf_conntrack_expect.h>
#include <linux/netfilter/nf_conntrack_h323.h>
-#if 0
-#define DEBUGP printk
-#else
-#define DEBUGP(format, args...)
-#endif
-
/****************************************************************************/
static int set_addr(struct sk_buff **pskb,
unsigned char **data, int dataoff,
unsigned int addroff, __be32 ip, __be16 port)
{
enum ip_conntrack_info ctinfo;
- struct nf_conn *ct = ip_conntrack_get(*pskb, &ctinfo);
+ struct nf_conn *ct = nf_ct_get(*pskb, &ctinfo);
struct {
__be32 ip;
__be16 port;
buf.port = port;
addroff += dataoff;
- if ((*pskb)->nh.iph->protocol == IPPROTO_TCP) {
+ if (ip_hdr(*pskb)->protocol == IPPROTO_TCP) {
if (!nf_nat_mangle_tcp_packet(pskb, ct, ctinfo,
addroff, sizeof(buf),
(char *) &buf, sizeof(buf))) {
}
/* Relocate data pointer */
- th = skb_header_pointer(*pskb, (*pskb)->nh.iph->ihl * 4,
+ th = skb_header_pointer(*pskb, ip_hdrlen(*pskb),
sizeof(_tcph), &_tcph);
if (th == NULL)
return -1;
- *data = (*pskb)->data + (*pskb)->nh.iph->ihl * 4 +
+ *data = (*pskb)->data + ip_hdrlen(*pskb) +
th->doff * 4 + dataoff;
} else {
if (!nf_nat_mangle_udp_packet(pskb, ct, ctinfo,
/* nf_nat_mangle_udp_packet uses skb_make_writable() to copy
* or pull everything in a linear buffer, so we can safely
* use the skb pointers now */
- *data = (*pskb)->data + (*pskb)->nh.iph->ihl * 4 +
- sizeof(struct udphdr);
+ *data = ((*pskb)->data + ip_hdrlen(*pskb) +
+ sizeof(struct udphdr));
}
return 0;
(ntohl(addr.ip) & 0xff000000) == 0x7f000000)
i = 0;
- DEBUGP
- ("nf_nat_ras: set signal address "
- "%u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n",
- NIPQUAD(ip), port,
- NIPQUAD(ct->tuplehash[!dir].tuple.dst.
- ip), info->sig_port[!dir]);
+ pr_debug("nf_nat_ras: set signal address "
+ "%u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n",
+ NIPQUAD(addr.ip), port,
+ NIPQUAD(ct->tuplehash[!dir].tuple.dst.u3.ip),
+ info->sig_port[!dir]);
return set_h225_addr(pskb, data, 0, &taddr[i],
&ct->tuplehash[!dir].
tuple.dst.u3,
} else if (addr.ip == ct->tuplehash[dir].tuple.dst.u3.ip &&
port == info->sig_port[dir]) {
/* GK->GW */
- DEBUGP
- ("nf_nat_ras: set signal address "
- "%u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n",
- NIPQUAD(ip), port,
- NIPQUAD(ct->tuplehash[!dir].tuple.src.
- ip), info->sig_port[!dir]);
+ pr_debug("nf_nat_ras: set signal address "
+ "%u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n",
+ NIPQUAD(addr.ip), port,
+ NIPQUAD(ct->tuplehash[!dir].tuple.src.u3.ip),
+ info->sig_port[!dir]);
return set_h225_addr(pskb, data, 0, &taddr[i],
&ct->tuplehash[!dir].
tuple.src.u3,
if (get_h225_addr(ct, *data, &taddr[i], &addr, &port) &&
addr.ip == ct->tuplehash[dir].tuple.src.u3.ip &&
port == ct->tuplehash[dir].tuple.src.u.udp.port) {
- DEBUGP("nf_nat_ras: set rasAddress "
- "%u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n",
- NIPQUAD(ip), ntohs(port),
- NIPQUAD(ct->tuplehash[!dir].tuple.dst.u3.ip),
- ntohs(ct->tuplehash[!dir].tuple.dst.u.udp.
- port));
+ pr_debug("nf_nat_ras: set rasAddress "
+ "%u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n",
+ NIPQUAD(addr.ip), ntohs(port),
+ NIPQUAD(ct->tuplehash[!dir].tuple.dst.u3.ip),
+ ntohs(ct->tuplehash[!dir].tuple.dst.u.udp.port));
return set_h225_addr(pskb, data, 0, &taddr[i],
&ct->tuplehash[!dir].tuple.dst.u3,
ct->tuplehash[!dir].tuple.
for (nated_port = ntohs(rtp_exp->tuple.dst.u.udp.port);
nated_port != 0; nated_port += 2) {
rtp_exp->tuple.dst.u.udp.port = htons(nated_port);
- if (nf_conntrack_expect_related(rtp_exp) == 0) {
+ if (nf_ct_expect_related(rtp_exp) == 0) {
rtcp_exp->tuple.dst.u.udp.port =
htons(nated_port + 1);
- if (nf_conntrack_expect_related(rtcp_exp) == 0)
+ if (nf_ct_expect_related(rtcp_exp) == 0)
break;
- nf_conntrack_unexpect_related(rtp_exp);
+ nf_ct_unexpect_related(rtp_exp);
}
}
info->rtp_port[i][dir] = rtp_port;
info->rtp_port[i][!dir] = htons(nated_port);
} else {
- nf_conntrack_unexpect_related(rtp_exp);
- nf_conntrack_unexpect_related(rtcp_exp);
+ nf_ct_unexpect_related(rtp_exp);
+ nf_ct_unexpect_related(rtcp_exp);
return -1;
}
/* Success */
- DEBUGP("nf_nat_h323: expect RTP %u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n",
- NIPQUAD(rtp_exp->tuple.src.ip),
- ntohs(rtp_exp->tuple.src.u.udp.port),
- NIPQUAD(rtp_exp->tuple.dst.ip),
- ntohs(rtp_exp->tuple.dst.u.udp.port));
- DEBUGP("nf_nat_h323: expect RTCP %u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n",
- NIPQUAD(rtcp_exp->tuple.src.ip),
- ntohs(rtcp_exp->tuple.src.u.udp.port),
- NIPQUAD(rtcp_exp->tuple.dst.ip),
- ntohs(rtcp_exp->tuple.dst.u.udp.port));
+ pr_debug("nf_nat_h323: expect RTP %u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n",
+ NIPQUAD(rtp_exp->tuple.src.u3.ip),
+ ntohs(rtp_exp->tuple.src.u.udp.port),
+ NIPQUAD(rtp_exp->tuple.dst.u3.ip),
+ ntohs(rtp_exp->tuple.dst.u.udp.port));
+ pr_debug("nf_nat_h323: expect RTCP %u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n",
+ NIPQUAD(rtcp_exp->tuple.src.u3.ip),
+ ntohs(rtcp_exp->tuple.src.u.udp.port),
+ NIPQUAD(rtcp_exp->tuple.dst.u3.ip),
+ ntohs(rtcp_exp->tuple.dst.u.udp.port));
return 0;
}
/* Try to get same port: if not, try to change it. */
for (; nated_port != 0; nated_port++) {
exp->tuple.dst.u.tcp.port = htons(nated_port);
- if (nf_conntrack_expect_related(exp) == 0)
+ if (nf_ct_expect_related(exp) == 0)
break;
}
if (set_h245_addr(pskb, data, dataoff, taddr,
&ct->tuplehash[!dir].tuple.dst.u3,
htons(nated_port)) < 0) {
- nf_conntrack_unexpect_related(exp);
+ nf_ct_unexpect_related(exp);
return -1;
}
- DEBUGP("nf_nat_h323: expect T.120 %u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n",
- NIPQUAD(exp->tuple.src.ip), ntohs(exp->tuple.src.u.tcp.port),
- NIPQUAD(exp->tuple.dst.ip), ntohs(exp->tuple.dst.u.tcp.port));
+ pr_debug("nf_nat_h323: expect T.120 %u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n",
+ NIPQUAD(exp->tuple.src.u3.ip),
+ ntohs(exp->tuple.src.u.tcp.port),
+ NIPQUAD(exp->tuple.dst.u3.ip),
+ ntohs(exp->tuple.dst.u.tcp.port));
return 0;
}
/* Try to get same port: if not, try to change it. */
for (; nated_port != 0; nated_port++) {
exp->tuple.dst.u.tcp.port = htons(nated_port);
- if (nf_conntrack_expect_related(exp) == 0)
+ if (nf_ct_expect_related(exp) == 0)
break;
}
info->sig_port[dir] = port;
info->sig_port[!dir] = htons(nated_port);
} else {
- nf_conntrack_unexpect_related(exp);
+ nf_ct_unexpect_related(exp);
return -1;
}
- DEBUGP("nf_nat_q931: expect H.245 %u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n",
- NIPQUAD(exp->tuple.src.ip), ntohs(exp->tuple.src.u.tcp.port),
- NIPQUAD(exp->tuple.dst.ip), ntohs(exp->tuple.dst.u.tcp.port));
+ pr_debug("nf_nat_q931: expect H.245 %u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n",
+ NIPQUAD(exp->tuple.src.u3.ip),
+ ntohs(exp->tuple.src.u.tcp.port),
+ NIPQUAD(exp->tuple.dst.u3.ip),
+ ntohs(exp->tuple.dst.u.tcp.port));
return 0;
}
static void ip_nat_q931_expect(struct nf_conn *new,
struct nf_conntrack_expect *this)
{
- struct ip_nat_range range;
+ struct nf_nat_range range;
if (this->tuple.src.u3.ip != 0) { /* Only accept calls from GK */
nf_nat_follow_master(new, this);
/* Try to get same port: if not, try to change it. */
for (; nated_port != 0; nated_port++) {
exp->tuple.dst.u.tcp.port = htons(nated_port);
- if (nf_conntrack_expect_related(exp) == 0)
+ if (nf_ct_expect_related(exp) == 0)
break;
}
if (idx > 0 &&
get_h225_addr(ct, *data, &taddr[0], &addr, &port) &&
(ntohl(addr.ip) & 0xff000000) == 0x7f000000) {
- set_h225_addr_hook(pskb, data, 0, &taddr[0],
- &ct->tuplehash[!dir].tuple.dst.u3,
- info->sig_port[!dir]);
+ set_h225_addr(pskb, data, 0, &taddr[0],
+ &ct->tuplehash[!dir].tuple.dst.u3,
+ info->sig_port[!dir]);
}
} else {
- nf_conntrack_unexpect_related(exp);
+ nf_ct_unexpect_related(exp);
return -1;
}
/* Success */
- DEBUGP("nf_nat_ras: expect Q.931 %u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n",
- NIPQUAD(exp->tuple.src.ip), ntohs(exp->tuple.src.u.tcp.port),
- NIPQUAD(exp->tuple.dst.ip), ntohs(exp->tuple.dst.u.tcp.port));
+ pr_debug("nf_nat_ras: expect Q.931 %u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n",
+ NIPQUAD(exp->tuple.src.u3.ip),
+ ntohs(exp->tuple.src.u.tcp.port),
+ NIPQUAD(exp->tuple.dst.u3.ip),
+ ntohs(exp->tuple.dst.u.tcp.port));
return 0;
}
/* Try to get same port: if not, try to change it. */
for (nated_port = ntohs(port); nated_port != 0; nated_port++) {
exp->tuple.dst.u.tcp.port = htons(nated_port);
- if (nf_conntrack_expect_related(exp) == 0)
+ if (nf_ct_expect_related(exp) == 0)
break;
}
if (!set_h225_addr(pskb, data, dataoff, taddr,
&ct->tuplehash[!dir].tuple.dst.u3,
htons(nated_port)) == 0) {
- nf_conntrack_unexpect_related(exp);
+ nf_ct_unexpect_related(exp);
return -1;
}
/* Success */
- DEBUGP("nf_nat_q931: expect Call Forwarding "
- "%u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n",
- NIPQUAD(exp->tuple.src.ip), ntohs(exp->tuple.src.u.tcp.port),
- NIPQUAD(exp->tuple.dst.ip), ntohs(exp->tuple.dst.u.tcp.port));
+ pr_debug("nf_nat_q931: expect Call Forwarding "
+ "%u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n",
+ NIPQUAD(exp->tuple.src.u3.ip),
+ ntohs(exp->tuple.src.u.tcp.port),
+ NIPQUAD(exp->tuple.dst.u3.ip),
+ ntohs(exp->tuple.dst.u.tcp.port));
return 0;
}
rcu_assign_pointer(nat_h245_hook, nat_h245);
rcu_assign_pointer(nat_callforwarding_hook, nat_callforwarding);
rcu_assign_pointer(nat_q931_hook, nat_q931);
-
- DEBUGP("nf_nat_h323: init success\n");
return 0;
}
projects / linux-2.6 / blobdiff