xref: /freebsd/sbin/ipf/libipf/printactivenat.c (revision 4b9d6057)
1 
2 /*
3  * Copyright (C) 2012 by Darren Reed.
4  *
5  * See the IPFILTER.LICENCE file for details on licencing.
6  *
7  * Added redirect stuff and a variety of bug fixes. (mcn@EnGarde.com)
8  */
9 
10 #include "ipf.h"
11 
12 
13 
14 static int proto_opened = 0;
15 
16 void
17 printactivenat(nat_t *nat, int opts, u_long ticks)
18 {
19 	struct protoent *pproto;
20 
21 	if (proto_opened == 0) {
22 		proto_opened = 1;
23 		setprotoent(1);
24 	}
25 
26 	PRINTF("%s", getnattype(nat));
27 
28 	if (nat->nat_flags & SI_CLONE)
29 		PRINTF(" CLONE");
30 	if (nat->nat_phnext[0] == NULL && nat->nat_phnext[1] == NULL)
31 		PRINTF(" ORPHAN");
32 
33 	putchar(' ');
34 	if (nat->nat_redir & NAT_REWRITE) {
35 		printactiveaddress(nat->nat_v[0], "%-15s", &nat->nat_osrc6,
36 				   nat->nat_ifnames[0]);
37 
38 		if ((nat->nat_flags & IPN_TCPUDP) != 0)
39 			PRINTF(" %-5hu", ntohs(nat->nat_osport));
40 
41 		putchar(' ');
42 		printactiveaddress(nat->nat_v[0], "%-15s", &nat->nat_odst6,
43 				   nat->nat_ifnames[0]);
44 
45 		if ((nat->nat_flags & IPN_TCPUDP) != 0)
46 			PRINTF(" %-5hu", ntohs(nat->nat_odport));
47 
48 		PRINTF("<- -> ");
49 		printactiveaddress(nat->nat_v[1], "%-15s", &nat->nat_nsrc6,
50 				   nat->nat_ifnames[0]);
51 
52 		if ((nat->nat_flags & IPN_TCPUDP) != 0)
53 			PRINTF(" %-5hu", ntohs(nat->nat_nsport));
54 
55 		putchar(' ');
56 		printactiveaddress(nat->nat_v[1], "%-15s", &nat->nat_ndst6,
57 				   nat->nat_ifnames[0]);
58 		if ((nat->nat_flags & IPN_TCPUDP) != 0)
59 			PRINTF(" %-5hu", ntohs(nat->nat_ndport));
60 
61 		pproto = getprotobynumber(nat->nat_pr[0]);
62 		PRINTF(" %s", pproto->p_name);
63 
64 	} else if (nat->nat_dir == NAT_OUTBOUND) {
65 		printactiveaddress(nat->nat_v[0], "%-15s", &nat->nat_osrc6,
66 				   nat->nat_ifnames[0]);
67 
68 		if ((nat->nat_flags & IPN_TCPUDP) != 0)
69 			PRINTF(" %-5hu", ntohs(nat->nat_osport));
70 
71 		PRINTF(" <- -> ");
72 		printactiveaddress(nat->nat_v[1], "%-15s", &nat->nat_nsrc6,
73 				   nat->nat_ifnames[0]);
74 
75 		if ((nat->nat_flags & IPN_TCPUDP) != 0)
76 			PRINTF(" %-5hu", ntohs(nat->nat_nsport));
77 
78 		PRINTF(" [");
79 		printactiveaddress(nat->nat_v[0], "%s", &nat->nat_odst6,
80 				   nat->nat_ifnames[0]);
81 
82 		if ((nat->nat_flags & IPN_TCPUDP) != 0)
83 			PRINTF(" %hu", ntohs(nat->nat_odport));
84 		PRINTF("]");
85 
86 		pproto = getprotobynumber(nat->nat_pr[1]);
87 		PRINTF(" %s", pproto->p_name);
88 	} else {
89 		printactiveaddress(nat->nat_v[1], "%-15s", &nat->nat_ndst6,
90 				   nat->nat_ifnames[0]);
91 
92 		if ((nat->nat_flags & IPN_TCPUDP) != 0)
93 			PRINTF(" %-5hu", ntohs(nat->nat_ndport));
94 
95 		PRINTF(" <- -> ");
96 		printactiveaddress(nat->nat_v[0], "%-15s", &nat->nat_odst6,
97 				   nat->nat_ifnames[0]);
98 
99 		if ((nat->nat_flags & IPN_TCPUDP) != 0)
100 			PRINTF(" %-5hu", ntohs(nat->nat_odport));
101 
102 		PRINTF(" [");
103 		printactiveaddress(nat->nat_v[0], "%s", &nat->nat_osrc6,
104 				   nat->nat_ifnames[0]);
105 
106 		if ((nat->nat_flags & IPN_TCPUDP) != 0)
107 			PRINTF(" %hu", ntohs(nat->nat_osport));
108 		PRINTF("]");
109 
110 		pproto = getprotobynumber(nat->nat_pr[0]);
111 		PRINTF(" %s", pproto->p_name);
112 	}
113 
114 
115 	if (opts & OPT_VERBOSE) {
116 		PRINTF("\n\tttl %lu use %hu sumd %s/",
117 			nat->nat_age - ticks, nat->nat_use,
118 			getsumd(nat->nat_sumd[0]));
119 		PRINTF("%s pr %u/%u hash %u/%u flags %x\n",
120 			getsumd(nat->nat_sumd[1]),
121 			nat->nat_pr[0], nat->nat_pr[1],
122 			nat->nat_hv[0], nat->nat_hv[1], nat->nat_flags);
123 		PRINTF("\tifp %s,%s ", FORMAT_IF(nat->nat_ifnames[0]),
124 			FORMAT_IF(nat->nat_ifnames[1]));
125 #ifdef	USE_QUAD_T
126 		PRINTF("bytes %"PRIu64"/%"PRIu64" pkts %"PRIu64"/%"PRIu64"",
127 			(unsigned long long)nat->nat_bytes[0],
128 			(unsigned long long)nat->nat_bytes[1],
129 			(unsigned long long)nat->nat_pkts[0],
130 			(unsigned long long)nat->nat_pkts[1]);
131 #else
132 		PRINTF("bytes %lu/%lu pkts %lu/%lu", nat->nat_bytes[0],
133 			nat->nat_bytes[1], nat->nat_pkts[0], nat->nat_pkts[1]);
134 #endif
135 		PRINTF(" ipsumd %x", nat->nat_ipsumd);
136 	}
137 
138 	if (opts & OPT_DEBUG) {
139 		PRINTF("\n\tnat_next %p _pnext %p _hm %p\n",
140 			nat->nat_next, nat->nat_pnext, nat->nat_hm);
141 		PRINTF("\t_hnext %p/%p _phnext %p/%p\n",
142 			nat->nat_hnext[0], nat->nat_hnext[1],
143 			nat->nat_phnext[0], nat->nat_phnext[1]);
144 		PRINTF("\t_data %p _me %p _state %p _aps %p\n",
145 			nat->nat_data, nat->nat_me, nat->nat_state,
146 			nat->nat_aps);
147 		PRINTF("\tfr %p ptr %p ifps %p/%p sync %p\n",
148 			nat->nat_fr, nat->nat_ptr, nat->nat_ifps[0],
149 			nat->nat_ifps[1], nat->nat_sync);
150 		PRINTF("\ttqe:pnext %p next %p ifq %p parent %p/%p\n",
151 			nat->nat_tqe.tqe_pnext, nat->nat_tqe.tqe_next,
152 			nat->nat_tqe.tqe_ifq, nat->nat_tqe.tqe_parent, nat);
153 		PRINTF("\ttqe:die %d touched %d flags %x state %d/%d\n",
154 			nat->nat_tqe.tqe_die, nat->nat_tqe.tqe_touched,
155 			nat->nat_tqe.tqe_flags, nat->nat_tqe.tqe_state[0],
156 			nat->nat_tqe.tqe_state[1]);
157 	}
158 	putchar('\n');
159 }
160