pfctl(8): Fix some little printf() issues on x86_64 (fixes buildworld).
[dragonfly.git] / usr.sbin / pfctl / pf_print_state.c
CommitLineData
70224baa 1/* $OpenBSD: pf_print_state.c,v 1.44 2007/03/01 17:20:53 deraadt Exp $ */
95cc27f0
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2
3/*
4 * Copyright (c) 2001 Daniel Hartmeier
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * - Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * - Redistributions in binary form must reproduce the above
14 * copyright notice, this list of conditions and the following
15 * disclaimer in the documentation and/or other materials provided
16 * with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
22 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
26 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
28 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 *
31 */
32
a798b49f 33#include <sys/types.h>
95cc27f0 34#include <sys/socket.h>
70224baa 35#include <sys/endian.h>
95cc27f0
JS
36#include <net/if.h>
37#define TCPSTATES
38#include <netinet/tcp_fsm.h>
39#include <net/pf/pfvar.h>
40#include <arpa/inet.h>
41#include <netdb.h>
42
43#include <stdio.h>
44#include <string.h>
45
46#include "pfctl_parser.h"
47#include "pfctl.h"
48
49void print_name(struct pf_addr *, sa_family_t);
50
51void
52print_addr(struct pf_addr_wrap *addr, sa_family_t af, int verbose)
53{
54 switch (addr->type) {
55 case PF_ADDR_DYNIFTL:
56 printf("(%s", addr->v.ifname);
57 if (addr->iflags & PFI_AFLAG_NETWORK)
58 printf(":network");
59 if (addr->iflags & PFI_AFLAG_BROADCAST)
60 printf(":broadcast");
61 if (addr->iflags & PFI_AFLAG_PEER)
62 printf(":peer");
63 if (addr->iflags & PFI_AFLAG_NOALIAS)
64 printf(":0");
65 if (verbose) {
66 if (addr->p.dyncnt <= 0)
67 printf(":*");
68 else
69 printf(":%d", addr->p.dyncnt);
70 }
71 printf(")");
72 break;
73 case PF_ADDR_TABLE:
74 if (verbose)
75 if (addr->p.tblcnt == -1)
76 printf("<%s:*>", addr->v.tblname);
77 else
78 printf("<%s:%d>", addr->v.tblname,
79 addr->p.tblcnt);
80 else
81 printf("<%s>", addr->v.tblname);
82 return;
83 case PF_ADDR_ADDRMASK:
84 if (PF_AZERO(&addr->v.a.addr, AF_INET6) &&
85 PF_AZERO(&addr->v.a.mask, AF_INET6))
86 printf("any");
87 else {
88 char buf[48];
89
90 if (inet_ntop(af, &addr->v.a.addr, buf,
91 sizeof(buf)) == NULL)
92 printf("?");
93 else
94 printf("%s", buf);
95 }
96 break;
97 case PF_ADDR_NOROUTE:
98 printf("no-route");
99 return;
70224baa
JL
100 case PF_ADDR_URPFFAILED:
101 printf("urpf-failed");
102 return;
103 case PF_ADDR_RTLABEL:
104 printf("route \"%s\"", addr->v.rtlabelname);
105 return;
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106 default:
107 printf("?");
108 return;
109 }
110
111 /* mask if not _both_ address and mask are zero */
112 if (!(PF_AZERO(&addr->v.a.addr, AF_INET6) &&
113 PF_AZERO(&addr->v.a.mask, AF_INET6))) {
114 int bits = unmask(&addr->v.a.mask, af);
115
116 if (bits != (af == AF_INET ? 32 : 128))
117 printf("/%d", bits);
118 }
119}
120
121void
122print_name(struct pf_addr *addr, sa_family_t af)
123{
70224baa 124 char his_host[NI_MAXHOST];
95cc27f0 125
70224baa 126 strlcpy(his_host, "?", sizeof(his_host));
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127 switch (af) {
128 case AF_INET: {
70224baa 129 struct sockaddr_in sin;
95cc27f0 130
70224baa
JL
131 memset(&sin, 0, sizeof(sin));
132 sin.sin_len = sizeof(sin);
133 sin.sin_family = AF_INET;
134 sin.sin_addr = addr->v4;
135 getnameinfo((struct sockaddr *)&sin, sin.sin_len,
136 his_host, sizeof(his_host), NULL, 0, NI_NOFQDN);
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137 break;
138 }
139 case AF_INET6: {
140 struct sockaddr_in6 sin6;
141
142 memset(&sin6, 0, sizeof(sin6));
143 sin6.sin6_len = sizeof(sin6);
144 sin6.sin6_family = AF_INET6;
145 sin6.sin6_addr = addr->v6;
146 getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
70224baa 147 his_host, sizeof(his_host), NULL, 0, NI_NOFQDN);
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148 break;
149 }
150 }
70224baa 151 printf("%s", his_host);
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152}
153
154void
155print_host(struct pf_state_host *h, sa_family_t af, int opts)
156{
157 u_int16_t p = ntohs(h->port);
158
159 if (opts & PF_OPT_USEDNS)
160 print_name(&h->addr, af);
161 else {
162 struct pf_addr_wrap aw;
163
164 memset(&aw, 0, sizeof(aw));
165 aw.v.a.addr = h->addr;
166 if (af == AF_INET)
167 aw.v.a.mask.addr32[0] = 0xffffffff;
168 else {
169 memset(&aw.v.a.mask, 0xff, sizeof(aw.v.a.mask));
170 af = AF_INET6;
171 }
172 print_addr(&aw, af, opts & PF_OPT_VERBOSE2);
173 }
174
175 if (p) {
176 if (af == AF_INET)
177 printf(":%u", p);
178 else
179 printf("[%u]", p);
180 }
181}
182
183void
184print_seq(struct pf_state_peer *p)
185{
186 if (p->seqdiff)
187 printf("[%u + %u](+%u)", p->seqlo, p->seqhi - p->seqlo,
188 p->seqdiff);
189 else
190 printf("[%u + %u]", p->seqlo, p->seqhi - p->seqlo);
191}
192
193void
194print_state(struct pf_state *s, int opts)
195{
196 struct pf_state_peer *src, *dst;
197 struct protoent *p;
198 int min, sec;
199
200 if (s->direction == PF_OUT) {
201 src = &s->src;
202 dst = &s->dst;
203 } else {
204 src = &s->dst;
205 dst = &s->src;
206 }
207 printf("%s ", s->u.ifname);
208 if ((p = getprotobynumber(s->proto)) != NULL)
209 printf("%s ", p->p_name);
210 else
211 printf("%u ", s->proto);
212 if (PF_ANEQ(&s->lan.addr, &s->gwy.addr, s->af) ||
213 (s->lan.port != s->gwy.port)) {
214 print_host(&s->lan, s->af, opts);
215 if (s->direction == PF_OUT)
216 printf(" -> ");
217 else
218 printf(" <- ");
219 }
220 print_host(&s->gwy, s->af, opts);
221 if (s->direction == PF_OUT)
222 printf(" -> ");
223 else
224 printf(" <- ");
225 print_host(&s->ext, s->af, opts);
226
227 printf(" ");
228 if (s->proto == IPPROTO_TCP) {
229 if (src->state <= TCPS_TIME_WAIT &&
230 dst->state <= TCPS_TIME_WAIT)
231 printf(" %s:%s\n", tcpstates[src->state],
232 tcpstates[dst->state]);
233 else if (src->state == PF_TCPS_PROXY_SRC ||
234 dst->state == PF_TCPS_PROXY_SRC)
235 printf(" PROXY:SRC\n");
236 else if (src->state == PF_TCPS_PROXY_DST ||
237 dst->state == PF_TCPS_PROXY_DST)
238 printf(" PROXY:DST\n");
239 else
240 printf(" <BAD STATE LEVELS %u:%u>\n",
241 src->state, dst->state);
242 if (opts & PF_OPT_VERBOSE) {
243 printf(" ");
244 print_seq(src);
245 if (src->wscale && dst->wscale)
246 printf(" wscale %u",
247 src->wscale & PF_WSCALE_MASK);
248 printf(" ");
249 print_seq(dst);
250 if (src->wscale && dst->wscale)
251 printf(" wscale %u",
252 dst->wscale & PF_WSCALE_MASK);
253 printf("\n");
254 }
255 } else if (s->proto == IPPROTO_UDP && src->state < PFUDPS_NSTATES &&
256 dst->state < PFUDPS_NSTATES) {
257 const char *states[] = PFUDPS_NAMES;
258
259 printf(" %s:%s\n", states[src->state], states[dst->state]);
260 } else if (s->proto != IPPROTO_ICMP && src->state < PFOTHERS_NSTATES &&
261 dst->state < PFOTHERS_NSTATES) {
262 /* XXX ICMP doesn't really have state levels */
263 const char *states[] = PFOTHERS_NAMES;
264
265 printf(" %s:%s\n", states[src->state], states[dst->state]);
266 } else {
267 printf(" %u:%u\n", src->state, dst->state);
268 }
269
270 if (opts & PF_OPT_VERBOSE) {
271 sec = s->creation % 60;
272 s->creation /= 60;
273 min = s->creation % 60;
274 s->creation /= 60;
275 printf(" age %.2u:%.2u:%.2u", s->creation, min, sec);
276 sec = s->expire % 60;
277 s->expire /= 60;
278 min = s->expire % 60;
279 s->expire /= 60;
280 printf(", expires in %.2u:%.2u:%.2u", s->expire, min, sec);
3b6d4e6a
SW
281 printf(", %ju:%ju pkts, %ju:%ju bytes",
282 (uintmax_t)s->packets[0], (uintmax_t)s->packets[1],
283 (uintmax_t)s->bytes[0], (uintmax_t)s->bytes[1]);
70224baa 284 if (s->anchor.nr != (unsigned)-1)
95cc27f0 285 printf(", anchor %u", s->anchor.nr);
70224baa 286 if (s->rule.nr != (unsigned)-1)
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287 printf(", rule %u", s->rule.nr);
288 if (s->src_node != NULL)
289 printf(", source-track");
290 if (s->nat_src_node != NULL)
291 printf(", sticky-address");
292 printf("\n");
293 }
294 if (opts & PF_OPT_VERBOSE2) {
70224baa
JL
295 printf(" id: %016llx creatorid: %08x%s\n",
296 (unsigned long long)be64toh(s->id), ntohl(s->creatorid),
297 ((s->sync_flags & PFSTATE_NOSYNC) ? " (no-sync)" : ""));
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298 }
299}
300
301int
302unmask(struct pf_addr *m, sa_family_t af __unused)
303{
304 int i = 31, j = 0, b = 0;
305 u_int32_t tmp;
306
307 while (j < 4 && m->addr32[j] == 0xffffffff) {
308 b += 32;
309 j++;
310 }
311 if (j < 4) {
312 tmp = ntohl(m->addr32[j]);
313 for (i = 31; tmp & (1 << i); --i)
314 b++;
315 }
316 return (b);
317}