xref: /freebsd/sbin/ipf/libipf/printactivenat.c (revision b077aed33b7b6aefca7b17ddb250cf521f938613)
1 /*	$FreeBSD$	*/
2 
3 /*
4  * Copyright (C) 2012 by Darren Reed.
5  *
6  * See the IPFILTER.LICENCE file for details on licencing.
7  *
8  * Added redirect stuff and a variety of bug fixes. (mcn@EnGarde.com)
9  */
10 
11 #include "ipf.h"
12 
13 
14 #if !defined(lint)
15 static const char rcsid[] = "@(#)$Id$";
16 #endif
17 
18 static int proto_opened = 0;
19 
20 void
21 printactivenat(nat_t *nat, int opts, u_long ticks)
22 {
23 	struct protoent *pproto;
24 
25 	if (proto_opened == 0) {
26 		proto_opened = 1;
27 		setprotoent(1);
28 	}
29 
30 	PRINTF("%s", getnattype(nat));
31 
32 	if (nat->nat_flags & SI_CLONE)
33 		PRINTF(" CLONE");
34 	if (nat->nat_phnext[0] == NULL && nat->nat_phnext[1] == NULL)
35 		PRINTF(" ORPHAN");
36 
37 	putchar(' ');
38 	if (nat->nat_redir & NAT_REWRITE) {
39 		printactiveaddress(nat->nat_v[0], "%-15s", &nat->nat_osrc6,
40 				   nat->nat_ifnames[0]);
41 
42 		if ((nat->nat_flags & IPN_TCPUDP) != 0)
43 			PRINTF(" %-5hu", ntohs(nat->nat_osport));
44 
45 		putchar(' ');
46 		printactiveaddress(nat->nat_v[0], "%-15s", &nat->nat_odst6,
47 				   nat->nat_ifnames[0]);
48 
49 		if ((nat->nat_flags & IPN_TCPUDP) != 0)
50 			PRINTF(" %-5hu", ntohs(nat->nat_odport));
51 
52 		PRINTF("<- -> ");
53 		printactiveaddress(nat->nat_v[1], "%-15s", &nat->nat_nsrc6,
54 				   nat->nat_ifnames[0]);
55 
56 		if ((nat->nat_flags & IPN_TCPUDP) != 0)
57 			PRINTF(" %-5hu", ntohs(nat->nat_nsport));
58 
59 		putchar(' ');
60 		printactiveaddress(nat->nat_v[1], "%-15s", &nat->nat_ndst6,
61 				   nat->nat_ifnames[0]);
62 		if ((nat->nat_flags & IPN_TCPUDP) != 0)
63 			PRINTF(" %-5hu", ntohs(nat->nat_ndport));
64 
65 		pproto = getprotobynumber(nat->nat_pr[0]);
66 		PRINTF(" %s", pproto->p_name);
67 
68 	} else if (nat->nat_dir == NAT_OUTBOUND) {
69 		printactiveaddress(nat->nat_v[0], "%-15s", &nat->nat_osrc6,
70 				   nat->nat_ifnames[0]);
71 
72 		if ((nat->nat_flags & IPN_TCPUDP) != 0)
73 			PRINTF(" %-5hu", ntohs(nat->nat_osport));
74 
75 		PRINTF(" <- -> ");
76 		printactiveaddress(nat->nat_v[1], "%-15s", &nat->nat_nsrc6,
77 				   nat->nat_ifnames[0]);
78 
79 		if ((nat->nat_flags & IPN_TCPUDP) != 0)
80 			PRINTF(" %-5hu", ntohs(nat->nat_nsport));
81 
82 		PRINTF(" [");
83 		printactiveaddress(nat->nat_v[0], "%s", &nat->nat_odst6,
84 				   nat->nat_ifnames[0]);
85 
86 		if ((nat->nat_flags & IPN_TCPUDP) != 0)
87 			PRINTF(" %hu", ntohs(nat->nat_odport));
88 		PRINTF("]");
89 
90 		pproto = getprotobynumber(nat->nat_pr[1]);
91 		PRINTF(" %s", pproto->p_name);
92 	} else {
93 		printactiveaddress(nat->nat_v[1], "%-15s", &nat->nat_ndst6,
94 				   nat->nat_ifnames[0]);
95 
96 		if ((nat->nat_flags & IPN_TCPUDP) != 0)
97 			PRINTF(" %-5hu", ntohs(nat->nat_ndport));
98 
99 		PRINTF(" <- -> ");
100 		printactiveaddress(nat->nat_v[0], "%-15s", &nat->nat_odst6,
101 				   nat->nat_ifnames[0]);
102 
103 		if ((nat->nat_flags & IPN_TCPUDP) != 0)
104 			PRINTF(" %-5hu", ntohs(nat->nat_odport));
105 
106 		PRINTF(" [");
107 		printactiveaddress(nat->nat_v[0], "%s", &nat->nat_osrc6,
108 				   nat->nat_ifnames[0]);
109 
110 		if ((nat->nat_flags & IPN_TCPUDP) != 0)
111 			PRINTF(" %hu", ntohs(nat->nat_osport));
112 		PRINTF("]");
113 
114 		pproto = getprotobynumber(nat->nat_pr[0]);
115 		PRINTF(" %s", pproto->p_name);
116 	}
117 
118 
119 	if (opts & OPT_VERBOSE) {
120 		PRINTF("\n\tttl %lu use %hu sumd %s/",
121 			nat->nat_age - ticks, nat->nat_use,
122 			getsumd(nat->nat_sumd[0]));
123 		PRINTF("%s pr %u/%u hash %u/%u flags %x\n",
124 			getsumd(nat->nat_sumd[1]),
125 			nat->nat_pr[0], nat->nat_pr[1],
126 			nat->nat_hv[0], nat->nat_hv[1], nat->nat_flags);
127 		PRINTF("\tifp %s,%s ", FORMAT_IF(nat->nat_ifnames[0]),
128 			FORMAT_IF(nat->nat_ifnames[1]));
129 #ifdef	USE_QUAD_T
130 		PRINTF("bytes %"PRIu64"/%"PRIu64" pkts %"PRIu64"/%"PRIu64"",
131 			(unsigned long long)nat->nat_bytes[0],
132 			(unsigned long long)nat->nat_bytes[1],
133 			(unsigned long long)nat->nat_pkts[0],
134 			(unsigned long long)nat->nat_pkts[1]);
135 #else
136 		PRINTF("bytes %lu/%lu pkts %lu/%lu", nat->nat_bytes[0],
137 			nat->nat_bytes[1], nat->nat_pkts[0], nat->nat_pkts[1]);
138 #endif
139 		PRINTF(" ipsumd %x", nat->nat_ipsumd);
140 	}
141 
142 	if (opts & OPT_DEBUG) {
143 		PRINTF("\n\tnat_next %p _pnext %p _hm %p\n",
144 			nat->nat_next, nat->nat_pnext, nat->nat_hm);
145 		PRINTF("\t_hnext %p/%p _phnext %p/%p\n",
146 			nat->nat_hnext[0], nat->nat_hnext[1],
147 			nat->nat_phnext[0], nat->nat_phnext[1]);
148 		PRINTF("\t_data %p _me %p _state %p _aps %p\n",
149 			nat->nat_data, nat->nat_me, nat->nat_state,
150 			nat->nat_aps);
151 		PRINTF("\tfr %p ptr %p ifps %p/%p sync %p\n",
152 			nat->nat_fr, nat->nat_ptr, nat->nat_ifps[0],
153 			nat->nat_ifps[1], nat->nat_sync);
154 		PRINTF("\ttqe:pnext %p next %p ifq %p parent %p/%p\n",
155 			nat->nat_tqe.tqe_pnext, nat->nat_tqe.tqe_next,
156 			nat->nat_tqe.tqe_ifq, nat->nat_tqe.tqe_parent, nat);
157 		PRINTF("\ttqe:die %d touched %d flags %x state %d/%d\n",
158 			nat->nat_tqe.tqe_die, nat->nat_tqe.tqe_touched,
159 			nat->nat_tqe.tqe_flags, nat->nat_tqe.tqe_state[0],
160 			nat->nat_tqe.tqe_state[1]);
161 	}
162 	putchar('\n');
163 }
164