diff options
Diffstat (limited to 'net/ipv4/netfilter/nf_nat_h323.c')
-rw-r--r-- | net/ipv4/netfilter/nf_nat_h323.c | 121 |
1 files changed, 59 insertions, 62 deletions
diff --git a/net/ipv4/netfilter/nf_nat_h323.c b/net/ipv4/netfilter/nf_nat_h323.c index c5d2a2d690b8..c1b059a73708 100644 --- a/net/ipv4/netfilter/nf_nat_h323.c +++ b/net/ipv4/netfilter/nf_nat_h323.c @@ -21,12 +21,6 @@ #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, @@ -126,12 +120,11 @@ static int set_sig_addr(struct sk_buff **pskb, struct nf_conn *ct, (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, @@ -139,12 +132,11 @@ static int set_sig_addr(struct sk_buff **pskb, struct nf_conn *ct, } 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, @@ -171,12 +163,11 @@ static int set_ras_addr(struct sk_buff **pskb, struct nf_conn *ct, 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. @@ -237,12 +228,12 @@ static int nat_rtp_rtcp(struct sk_buff **pskb, struct nf_conn *ct, 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); } } @@ -261,22 +252,22 @@ static int nat_rtp_rtcp(struct sk_buff **pskb, struct nf_conn *ct, 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; } @@ -299,7 +290,7 @@ static int nat_t120(struct sk_buff **pskb, struct nf_conn *ct, /* 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; } @@ -313,13 +304,15 @@ static int nat_t120(struct sk_buff **pskb, struct nf_conn *ct, 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; } @@ -347,7 +340,7 @@ static int nat_h245(struct sk_buff **pskb, struct nf_conn *ct, /* 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; } @@ -365,13 +358,15 @@ static int nat_h245(struct sk_buff **pskb, struct nf_conn *ct, 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; } @@ -433,7 +428,7 @@ static int nat_q931(struct sk_buff **pskb, struct nf_conn *ct, /* 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; } @@ -460,14 +455,16 @@ static int nat_q931(struct sk_buff **pskb, struct nf_conn *ct, 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; } @@ -517,7 +514,7 @@ static int nat_callforwarding(struct sk_buff **pskb, struct nf_conn *ct, /* 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; } @@ -531,15 +528,17 @@ static int nat_callforwarding(struct sk_buff **pskb, struct nf_conn *ct, 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; } @@ -566,8 +565,6 @@ static int __init init(void) 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; } |