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ip/xfrm: Improve usage text and documentation
[mirror_iproute2.git] / ip / ipxfrm.c
CommitLineData
c7699875 1/* $USAGI: $ */
2
3/*
4 * Copyright (C)2004 USAGI/WIDE Project
ae665a52 5 *
c7699875 6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
ae665a52 10 *
c7699875 11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
ae665a52 15 *
c7699875 16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20/*
21 * based on ip.c, iproute.c
22 */
23/*
24 * Authors:
25 * Masahide NAKAMURA @USAGI
26 */
27
048bff6e 28#include <alloca.h>
c7699875 29#include <stdio.h>
30#include <stdlib.h>
31#include <string.h>
32#include <sys/types.h>
33#include <sys/socket.h>
34#include <time.h>
35#include <netdb.h>
c7699875 36#include <linux/netlink.h>
37#include <linux/rtnetlink.h>
38#include <linux/xfrm.h>
39
40#include "utils.h"
41#include "xfrm.h"
d1f28cf1 42#include "ip_common.h"
c7699875 43
15ac4cdc 44#define STRBUF_SIZE (128)
45#define STRBUF_CAT(buf, str) \
46 do { \
47 int rest = sizeof(buf) - 1 - strlen(buf); \
48 if (rest > 0) { \
49 int len = strlen(str); \
50 if (len > rest) \
51 len = rest; \
52 strncat(buf, str, len); \
53 buf[sizeof(buf) - 1] = '\0'; \
54 } \
55 } while(0);
56
c7699875 57struct xfrm_filter filter;
58
59static void usage(void) __attribute__((noreturn));
60
61static void usage(void)
62{
ae665a52 63 fprintf(stderr,
cbec0219
DW		 64 "Usage: ip xfrm XFRM-OBJECT { COMMAND | help }\n"
65 "where XFRM-OBJECT := state | policy | monitor\n");
c7699875 66 exit(-1);
67}
68
eaa34ee3 69/* This is based on utils.c(inet_addr_match) */
70int xfrm_addr_match(xfrm_address_t *x1, xfrm_address_t *x2, int bits)
71{
72 __u32 *a1 = (__u32 *)x1;
73 __u32 *a2 = (__u32 *)x2;
74 int words = bits >> 0x05;
75
76 bits &= 0x1f;
77
78 if (words)
79 if (memcmp(a1, a2, words << 2))
80 return -1;
81
82 if (bits) {
83 __u32 w1, w2;
84 __u32 mask;
85
86 w1 = a1[words];
87 w2 = a2[words];
88
89 mask = htonl((0xffffffff) << (0x20 - bits));
90
91 if ((w1 ^ w2) & mask)
92 return 1;
93 }
94
95 return 0;
96}
97
7ea4f5d3
MN		 98int xfrm_xfrmproto_is_ipsec(__u8 proto)
99{
100 return (proto == IPPROTO_ESP ||
101 proto == IPPROTO_AH ||
102 proto == IPPROTO_COMP);
103}
104
105int xfrm_xfrmproto_is_ro(__u8 proto)
106{
107 return (proto == IPPROTO_ROUTING ||
108 proto == IPPROTO_DSTOPTS);
109}
110
7809c616 111struct typeent {
112 const char *t_name;
113 int t_type;
114};
115
29aa4dd7 116static const struct typeent xfrmproto_types[]= {
eaa34ee3 117 { "esp", IPPROTO_ESP }, { "ah", IPPROTO_AH }, { "comp", IPPROTO_COMP },
7ea4f5d3 118 { "route2", IPPROTO_ROUTING }, { "hao", IPPROTO_DSTOPTS },
efe69c1b 119 { "ipsec-any", IPSEC_PROTO_ANY },
eaa34ee3 120 { NULL, -1 }
29aa4dd7 121};
122
123int xfrm_xfrmproto_getbyname(char *name)
124{
125 int i;
126
127 for (i = 0; ; i++) {
128 const struct typeent *t = &xfrmproto_types[i];
129 if (!t->t_name || t->t_type == -1)
130 break;
131
132 if (strcmp(t->t_name, name) == 0)
133 return t->t_type;
134 }
135
136 return -1;
137}
138
139const char *strxf_xfrmproto(__u8 proto)
140{
efe69c1b 141 static char str[16];
29aa4dd7 142 int i;
143
144 for (i = 0; ; i++) {
145 const struct typeent *t = &xfrmproto_types[i];
146 if (!t->t_name || t->t_type == -1)
147 break;
148
149 if (t->t_type == proto)
150 return t->t_name;
151 }
152
efe69c1b
MN		 153 sprintf(str, "%u", proto);
154 return str;
29aa4dd7 155}
156
7809c616 157static const struct typeent algo_types[]= {
158 { "enc", XFRMA_ALG_CRYPT }, { "auth", XFRMA_ALG_AUTH },
1758a81f 159 { "comp", XFRMA_ALG_COMP }, { "aead", XFRMA_ALG_AEAD },
f323f2a3 160 { "auth-trunc", XFRMA_ALG_AUTH_TRUNC },
1758a81f 161 { NULL, -1 }
7809c616 162};
163
164int xfrm_algotype_getbyname(char *name)
165{
166 int i;
167
168 for (i = 0; ; i++) {
169 const struct typeent *t = &algo_types[i];
170 if (!t->t_name || t->t_type == -1)
171 break;
172
173 if (strcmp(t->t_name, name) == 0)
174 return t->t_type;
175 }
176
177 return -1;
178}
179
180const char *strxf_algotype(int type)
181{
efe69c1b 182 static char str[32];
7809c616 183 int i;
184
185 for (i = 0; ; i++) {
186 const struct typeent *t = &algo_types[i];
187 if (!t->t_name || t->t_type == -1)
188 break;
189
190 if (t->t_type == type)
191 return t->t_name;
192 }
193
efe69c1b
MN		 194 sprintf(str, "%d", type);
195 return str;
7809c616 196}
197
eaa34ee3 198const char *strxf_mask8(__u8 mask)
c7699875 199{
200 static char str[16];
eaa34ee3 201 const int sn = sizeof(mask) * 8 - 1;
c7699875 202 __u8 b;
203 int i = 0;
204
205 for (b = (1 << sn); b > 0; b >>= 1)
eaa34ee3 206 str[i++] = ((b & mask) ? '1' : '0');
c7699875 207 str[i] = '\0';
208
209 return str;
210}
211
eaa34ee3 212const char *strxf_mask32(__u32 mask)
213{
214 static char str[16];
215
216 sprintf(str, "%.8x", mask);
217
218 return str;
219}
220
c7699875 221const char *strxf_share(__u8 share)
222{
223 static char str[32];
224
225 switch (share) {
226 case XFRM_SHARE_ANY:
227 strcpy(str, "any");
228 break;
229 case XFRM_SHARE_SESSION:
230 strcpy(str, "session");
231 break;
232 case XFRM_SHARE_USER:
233 strcpy(str, "user");
234 break;
235 case XFRM_SHARE_UNIQUE:
236 strcpy(str, "unique");
237 break;
238 default:
eaa34ee3 239 sprintf(str, "%u", share);
c7699875 240 break;
241 }
242
243 return str;
244}
245
ad273962 246const char *strxf_proto(__u8 proto)
247{
248 static char buf[32];
249 struct protoent *pp;
250 const char *p;
251
252 pp = getprotobynumber(proto);
253 if (pp)
254 p = pp->p_name;
255 else {
eaa34ee3 256 sprintf(buf, "%u", proto);
ad273962 257 p = buf;
258 }
259
260 return p;
261}
262
efe69c1b
MN		 263const char *strxf_ptype(__u8 ptype)
264{
265 static char str[16];
266
267 switch (ptype) {
268 case XFRM_POLICY_TYPE_MAIN:
269 strcpy(str, "main");
270 break;
271 case XFRM_POLICY_TYPE_SUB:
272 strcpy(str, "sub");
273 break;
274 default:
275 sprintf(str, "%u", ptype);
276 break;
277 }
278
279 return str;
280}
281
c7699875 282void xfrm_id_info_print(xfrm_address_t *saddr, struct xfrm_id *id,
eaa34ee3 283 __u8 mode, __u32 reqid, __u16 family, int force_spi,
15ac4cdc 284 FILE *fp, const char *prefix, const char *title)
c7699875 285{
286 char abuf[256];
c7699875 287
15ac4cdc 288 if (title)
9a73e17d 289 fputs(title, fp);
c7699875 290
291 memset(abuf, '\0', sizeof(abuf));
ad273962 292 fprintf(fp, "src %s ", rt_addr_n2a(family, sizeof(*saddr),
293 saddr, abuf, sizeof(abuf)));
c7699875 294 memset(abuf, '\0', sizeof(abuf));
7809c616 295 fprintf(fp, "dst %s", rt_addr_n2a(family, sizeof(id->daddr),
296 &id->daddr, abuf, sizeof(abuf)));
297 fprintf(fp, "%s", _SL_);
c7699875 298
299 if (prefix)
9a73e17d 300 fputs(prefix, fp);
c7699875 301 fprintf(fp, "\t");
302
29aa4dd7 303 fprintf(fp, "proto %s ", strxf_xfrmproto(id->proto));
c7699875 304
eaa34ee3 305 if (show_stats > 0 || force_spi || id->spi) {
306 __u32 spi = ntohl(id->spi);
307 fprintf(fp, "spi 0x%08x", spi);
308 if (show_stats > 0)
309 fprintf(fp, "(%u)", spi);
310 fprintf(fp, " ");
311 }
c7699875 312
ad273962 313 fprintf(fp, "reqid %u", reqid);
314 if (show_stats > 0)
315 fprintf(fp, "(0x%08x)", reqid);
316 fprintf(fp, " ");
c7699875 317
7809c616 318 fprintf(fp, "mode ");
319 switch (mode) {
7ea4f5d3 320 case XFRM_MODE_TRANSPORT:
7809c616 321 fprintf(fp, "transport");
322 break;
7ea4f5d3 323 case XFRM_MODE_TUNNEL:
7809c616 324 fprintf(fp, "tunnel");
325 break;
7ea4f5d3
MN		 326 case XFRM_MODE_ROUTEOPTIMIZATION:
327 fprintf(fp, "ro");
328 break;
329 case XFRM_MODE_IN_TRIGGER:
330 fprintf(fp, "in_trigger");
331 break;
332 case XFRM_MODE_BEET:
34e099e2
SH		 333 fprintf(fp, "beet");
334 break;
7809c616 335 default:
336 fprintf(fp, "%u", mode);
337 break;
338 }
339 fprintf(fp, "%s", _SL_);
c7699875 340}
341
342static const char *strxf_limit(__u64 limit)
343{
344 static char str[32];
345 if (limit == XFRM_INF)
346 strcpy(str, "(INF)");
347 else
b906243b 348 sprintf(str, "%llu", (unsigned long long) limit);
c7699875 349
350 return str;
351}
352
353void xfrm_stats_print(struct xfrm_stats *s, FILE *fp, const char *prefix)
354{
355 if (prefix)
9a73e17d 356 fputs(prefix, fp);
8a1c7fcb 357 fprintf(fp, "stats:%s", _SL_);
c7699875 358
359 if (prefix)
9a73e17d 360 fputs(prefix, fp);
8a1c7fcb
SH		 361 fprintf(fp, " replay-window %u replay %u failed %u%s",
362 s->replay_window, s->replay, s->integrity_failed, _SL_);
c7699875 363}
364
365static const char *strxf_time(__u64 time)
366{
367 static char str[32];
c7699875 368
7809c616 369 if (time == 0)
370 strcpy(str, "-");
371 else {
372 time_t t;
373 struct tm *tp;
374
ae665a52 375 /* XXX: treat time in the same manner of kernel's
7809c616 376 * net/xfrm/xfrm_{user,state}.c
377 */
c7699875 378 t = (long)time;
379 tp = localtime(&t);
380
44d3eb25 381 strftime(str, sizeof(str), "%Y-%m-%d %T", tp);
c7699875 382 }
383
384 return str;
385}
386
387void xfrm_lifetime_print(struct xfrm_lifetime_cfg *cfg,
388 struct xfrm_lifetime_cur *cur,
389 FILE *fp, const char *prefix)
390{
391 if (cfg) {
392 if (prefix)
9a73e17d 393 fputs(prefix, fp);
8a1c7fcb 394 fprintf(fp, "lifetime config:%s",_SL_);
c7699875 395
396 if (prefix)
9a73e17d 397 fputs(prefix, fp);
8a1c7fcb
SH		 398 fprintf(fp, " limit: soft %s(bytes),",
399 strxf_limit(cfg->soft_byte_limit));
400 fprintf(fp, " hard %s(bytes)%s",
401 strxf_limit(cfg->hard_byte_limit), _SL_);
c7699875 402
403 if (prefix)
9a73e17d 404 fputs(prefix, fp);
8a1c7fcb
SH		 405 fprintf(fp, " limit: soft %s(packets),",
406 strxf_limit(cfg->soft_packet_limit));
407 fprintf(fp, " hard %s(packets)%s",
408 strxf_limit(cfg->hard_packet_limit), _SL_);
c7699875 409
410 if (prefix)
9a73e17d 411 fputs(prefix, fp);
8a1c7fcb
SH		 412 fprintf(fp, " expire add: soft %llu(sec), hard %llu(sec)%s",
413 (unsigned long long) cfg->soft_add_expires_seconds,
414 (unsigned long long) cfg->hard_add_expires_seconds,
415 _SL_);
c7699875 416
417 if (prefix)
9a73e17d 418 fputs(prefix, fp);
8a1c7fcb
SH		 419 fprintf(fp, " expire use: soft %llu(sec), hard %llu(sec)%s",
420 (unsigned long long) cfg->soft_use_expires_seconds,
421 (unsigned long long) cfg->hard_use_expires_seconds,
422 _SL_);
c7699875 423 }
424 if (cur) {
425 if (prefix)
9a73e17d 426 fputs(prefix, fp);
8a1c7fcb 427 fprintf(fp, "lifetime current:%s", _SL_);
c7699875 428
429 if (prefix)
9a73e17d 430 fputs(prefix, fp);
8a1c7fcb
SH		 431 fprintf(fp, " %llu(bytes), %llu(packets)%s",
432 (unsigned long long) cur->bytes,
433 (unsigned long long) cur->packets,
434 _SL_);
7809c616 435
c7699875 436 if (prefix)
9a73e17d 437 fputs(prefix, fp);
8a1c7fcb
SH		 438 fprintf(fp, " add %s ", strxf_time(cur->add_time));
439 fprintf(fp, "use %s%s", strxf_time(cur->use_time), _SL_);
c7699875 440 }
441}
442
443void xfrm_selector_print(struct xfrm_selector *sel, __u16 family,
444 FILE *fp, const char *prefix)
445{
446 char abuf[256];
447 __u16 f;
448
449 f = sel->family;
450 if (f == AF_UNSPEC)
451 f = family;
452 if (f == AF_UNSPEC)
453 f = preferred_family;
454
455 if (prefix)
9a73e17d 456 fputs(prefix, fp);
c7699875 457
458 memset(abuf, '\0', sizeof(abuf));
eaa34ee3 459 fprintf(fp, "src %s/%u ", rt_addr_n2a(f, sizeof(sel->saddr),
ad273962 460 &sel->saddr, abuf, sizeof(abuf)),
461 sel->prefixlen_s);
c7699875 462
463 memset(abuf, '\0', sizeof(abuf));
eaa34ee3 464 fprintf(fp, "dst %s/%u ", rt_addr_n2a(f, sizeof(sel->daddr),
ad273962 465 &sel->daddr, abuf, sizeof(abuf)),
466 sel->prefixlen_d);
c7699875 467
7809c616 468 if (sel->proto)
469 fprintf(fp, "proto %s ", strxf_proto(sel->proto));
c70b36d2 470 switch (sel->proto) {
471 case IPPROTO_TCP:
472 case IPPROTO_UDP:
473 case IPPROTO_SCTP:
27356a5e 474 case IPPROTO_DCCP:
c70b36d2 475 default: /* XXX */
476 if (sel->sport_mask)
477 fprintf(fp, "sport %u ", ntohs(sel->sport));
478 if (sel->dport_mask)
479 fprintf(fp, "dport %u ", ntohs(sel->dport));
480 break;
481 case IPPROTO_ICMP:
482 case IPPROTO_ICMPV6:
483 /* type/code is stored at sport/dport in selector */
484 if (sel->sport_mask)
485 fprintf(fp, "type %u ", ntohs(sel->sport));
486 if (sel->dport_mask)
487 fprintf(fp, "code %u ", ntohs(sel->dport));
488 break;
4a9608e6
TT		 489 case IPPROTO_GRE:
490 if (sel->sport_mask || sel->dport_mask)
491 fprintf(fp, "key %u ",
492 (((__u32)ntohs(sel->sport)) << 16) +
493 ntohs(sel->dport));
494 break;
0bf0fbc4
MN		 495 case IPPROTO_MH:
496 if (sel->sport_mask)
497 fprintf(fp, "type %u ", ntohs(sel->sport));
498 if (sel->dport_mask) {
499 if (show_stats > 0)
500 fprintf(fp, "(dport) 0x%.4x ", sel->dport);
501 }
502 break;
c70b36d2 503 }
c7699875 504
dcb283c3
TG		 505 if (sel->ifindex > 0)
506 fprintf(fp, "dev %s ", ll_index_to_name(sel->ifindex));
c7699875 507
ad273962 508 if (show_stats > 0)
509 fprintf(fp, "uid %u", sel->user);
7809c616 510
511 fprintf(fp, "%s", _SL_);
c7699875 512}
513
1758a81f
HX		 514static void __xfrm_algo_print(struct xfrm_algo *algo, int type, int len,
515 FILE *fp, const char *prefix, int newline)
c7699875 516{
eaa34ee3 517 int keylen;
c7699875 518 int i;
519
520 if (prefix)
9a73e17d 521 fputs(prefix, fp);
c7699875 522
7809c616 523 fprintf(fp, "%s ", strxf_algotype(type));
eaa34ee3 524
525 if (len < sizeof(*algo)) {
526 fprintf(fp, "(ERROR truncated)");
527 goto fin;
528 }
529 len -= sizeof(*algo);
530
7809c616 531 fprintf(fp, "%s ", algo->alg_name);
c7699875 532
eaa34ee3 533 keylen = algo->alg_key_len / 8;
534 if (len < keylen) {
535 fprintf(fp, "(ERROR truncated)");
536 goto fin;
537 }
538
8dbe67d2
DW		 539 if (keylen > 0) {
540 fprintf(fp, "0x");
541 for (i = 0; i < keylen; i ++)
542 fprintf(fp, "%.2x", (unsigned char)algo->alg_key[i]);
c7699875 543
8dbe67d2
DW		 544 if (show_stats > 0)
545 fprintf(fp, " (%d bits)", algo->alg_key_len);
546 }
7809c616 547
eaa34ee3 548 fin:
1758a81f
HX		 549 if (newline)
550 fprintf(fp, "%s", _SL_);
551}
552
553static inline void xfrm_algo_print(struct xfrm_algo *algo, int type, int len,
554 FILE *fp, const char *prefix)
555{
556 return __xfrm_algo_print(algo, type, len, fp, prefix, 1);
557}
558
559static void xfrm_aead_print(struct xfrm_algo_aead *algo, int len,
560 FILE *fp, const char *prefix)
561{
048bff6e 562 struct xfrm_algo *base_algo = alloca(sizeof(*base_algo) + algo->alg_key_len / 8);
1758a81f 563
048bff6e
MF		 564 memcpy(base_algo->alg_name, algo->alg_name, sizeof(base_algo->alg_name));
565 base_algo->alg_key_len = algo->alg_key_len;
566 memcpy(base_algo->alg_key, algo->alg_key, algo->alg_key_len / 8);
1758a81f 567
048bff6e 568 __xfrm_algo_print(base_algo, XFRMA_ALG_AEAD, len, fp, prefix, 0);
1758a81f
HX		 569
570 fprintf(fp, " %d", algo->alg_icv_len);
571
7809c616 572 fprintf(fp, "%s", _SL_);
c7699875 573}
574
f323f2a3
ND		 575static void xfrm_auth_trunc_print(struct xfrm_algo_auth *algo, int len,
576 FILE *fp, const char *prefix)
577{
048bff6e 578 struct xfrm_algo *base_algo = alloca(sizeof(*base_algo) + algo->alg_key_len / 8);
f323f2a3 579
048bff6e
MF		 580 memcpy(base_algo->alg_name, algo->alg_name, sizeof(base_algo->alg_name));
581 base_algo->alg_key_len = algo->alg_key_len;
582 memcpy(base_algo->alg_key, algo->alg_key, algo->alg_key_len / 8);
f323f2a3 583
048bff6e 584 __xfrm_algo_print(base_algo, XFRMA_ALG_AUTH_TRUNC, len, fp, prefix, 0);
f323f2a3
ND		 585
586 fprintf(fp, " %d", algo->alg_trunc_len);
587
588 fprintf(fp, "%s", _SL_);
589}
590
eaa34ee3 591static void xfrm_tmpl_print(struct xfrm_user_tmpl *tmpls, int len,
c7699875 592 __u16 family, FILE *fp, const char *prefix)
593{
eaa34ee3 594 int ntmpls = len / sizeof(struct xfrm_user_tmpl);
c7699875 595 int i;
596
eaa34ee3 597 if (ntmpls <= 0) {
598 if (prefix)
9a73e17d 599 fputs(prefix, fp);
eaa34ee3 600 fprintf(fp, "(ERROR \"tmpl\" truncated)");
601 fprintf(fp, "%s", _SL_);
602 return;
603 }
604
c7699875 605 for (i = 0; i < ntmpls; i++) {
606 struct xfrm_user_tmpl *tmpl = &tmpls[i];
607
608 if (prefix)
9a73e17d 609 fputs(prefix, fp);
ad273962 610
c7699875 611 xfrm_id_info_print(&tmpl->saddr, &tmpl->id, tmpl->mode,
b9ab720e 612 tmpl->reqid, tmpl->family, 0, fp, prefix, "tmpl ");
eaa34ee3 613
614 if (show_stats > 0 || tmpl->optional) {
615 if (prefix)
9a73e17d 616 fputs(prefix, fp);
eaa34ee3 617 fprintf(fp, "\t");
618 switch (tmpl->optional) {
619 case 0:
620 if (show_stats > 0)
621 fprintf(fp, "level required ");
622 break;
623 case 1:
624 fprintf(fp, "level use ");
625 break;
626 default:
627 fprintf(fp, "level %u ", tmpl->optional);
628 break;
629 }
c7699875 630
7809c616 631 if (show_stats > 0)
eaa34ee3 632 fprintf(fp, "share %s ", strxf_share(tmpl->share));
633
634 fprintf(fp, "%s", _SL_);
ad273962 635 }
ad273962 636
637 if (show_stats > 0) {
eaa34ee3 638 if (prefix)
9a73e17d 639 fputs(prefix, fp);
eaa34ee3 640 fprintf(fp, "\t");
641 fprintf(fp, "%s-mask %s ",
7809c616 642 strxf_algotype(XFRMA_ALG_CRYPT),
eaa34ee3 643 strxf_mask32(tmpl->ealgos));
644 fprintf(fp, "%s-mask %s ",
7809c616 645 strxf_algotype(XFRMA_ALG_AUTH),
eaa34ee3 646 strxf_mask32(tmpl->aalgos));
647 fprintf(fp, "%s-mask %s",
7809c616 648 strxf_algotype(XFRMA_ALG_COMP),
eaa34ee3 649 strxf_mask32(tmpl->calgos));
650
651 fprintf(fp, "%s", _SL_);
ad273962 652 }
c7699875 653 }
654}
655
f6fd52e6
JHS		 656int xfrm_parse_mark(struct xfrm_mark *mark, int *argcp, char ***argvp)
657{
658 int argc = *argcp;
659 char **argv = *argvp;
660
661 NEXT_ARG();
662 if (get_u32(&mark->v, *argv, 0)) {
663 invarg("Illegal \"mark\" value\n", *argv);
664 }
665 if (argc > 1)
666 NEXT_ARG();
667 else { /* last entry on parse line */
668 mark->m = 0xffffffff;
669 goto done;
670 }
671
672 if (strcmp(*argv, "mask") == 0) {
673 NEXT_ARG();
674 if (get_u32(&mark->m, *argv, 0)) {
675 invarg("Illegal \"mark\" mask\n", *argv);
676 }
677 } else {
678 mark->m = 0xffffffff;
679 PREV_ARG();
680 }
681
682done:
683 *argcp = argc;
684 *argvp = argv;
685
686 return 0;
687}
688
bcf32819 689void xfrm_xfrma_print(struct rtattr *tb[], __u16 family,
c7699875 690 FILE *fp, const char *prefix)
691{
f6fd52e6
JHS		 692 if (tb[XFRMA_MARK]) {
693 struct rtattr *rta = tb[XFRMA_MARK];
694 struct xfrm_mark *m = (struct xfrm_mark *) RTA_DATA(rta);
695 fprintf(fp, "\tmark %d/0x%x\n", m->v, m->m);
696 }
697
f323f2a3 698 if (tb[XFRMA_ALG_AUTH] && !tb[XFRMA_ALG_AUTH_TRUNC]) {
bcf32819 699 struct rtattr *rta = tb[XFRMA_ALG_AUTH];
700 xfrm_algo_print((struct xfrm_algo *) RTA_DATA(rta),
5cf576d9 701 XFRMA_ALG_AUTH, RTA_PAYLOAD(rta), fp, prefix);
bcf32819 702 }
c7699875 703
f323f2a3
ND		 704 if (tb[XFRMA_ALG_AUTH_TRUNC]) {
705 struct rtattr *rta = tb[XFRMA_ALG_AUTH_TRUNC];
706 xfrm_auth_trunc_print((struct xfrm_algo_auth *) RTA_DATA(rta),
707 RTA_PAYLOAD(rta), fp, prefix);
708 }
709
1758a81f
HX		 710 if (tb[XFRMA_ALG_AEAD]) {
711 struct rtattr *rta = tb[XFRMA_ALG_AEAD];
712 xfrm_aead_print((struct xfrm_algo_aead *)RTA_DATA(rta),
713 RTA_PAYLOAD(rta), fp, prefix);
714 }
715
bcf32819 716 if (tb[XFRMA_ALG_CRYPT]) {
717 struct rtattr *rta = tb[XFRMA_ALG_CRYPT];
718 xfrm_algo_print((struct xfrm_algo *) RTA_DATA(rta),
5cf576d9 719 XFRMA_ALG_CRYPT, RTA_PAYLOAD(rta), fp, prefix);
bcf32819 720 }
eaa34ee3 721
bcf32819 722 if (tb[XFRMA_ALG_COMP]) {
723 struct rtattr *rta = tb[XFRMA_ALG_COMP];
724 xfrm_algo_print((struct xfrm_algo *) RTA_DATA(rta),
5cf576d9 725 XFRMA_ALG_COMP, RTA_PAYLOAD(rta), fp, prefix);
bcf32819 726 }
eaa34ee3 727
bcf32819 728 if (tb[XFRMA_ENCAP]) {
729 struct xfrm_encap_tmpl *e;
730 char abuf[256];
eaa34ee3 731
bcf32819 732 if (prefix)
9a73e17d 733 fputs(prefix, fp);
bcf32819 734 fprintf(fp, "encap ");
eaa34ee3 735
bcf32819 736 if (RTA_PAYLOAD(tb[XFRMA_ENCAP]) < sizeof(*e)) {
737 fprintf(fp, "(ERROR truncated)");
7809c616 738 fprintf(fp, "%s", _SL_);
bcf32819 739 return;
c7699875 740 }
bcf32819 741 e = (struct xfrm_encap_tmpl *) RTA_DATA(tb[XFRMA_ENCAP]);
742
5cf576d9
SH		 743 fprintf(fp, "type ");
744 switch (e->encap_type) {
745 case 1:
746 fprintf(fp, "espinudp-nonike ");
747 break;
748 case 2:
749 fprintf(fp, "espinudp ");
750 break;
751 default:
752 fprintf(fp, "%u ", e->encap_type);
753 break;
754 }
bcf32819 755 fprintf(fp, "sport %u ", ntohs(e->encap_sport));
756 fprintf(fp, "dport %u ", ntohs(e->encap_dport));
757
758 memset(abuf, '\0', sizeof(abuf));
759 fprintf(fp, "addr %s",
760 rt_addr_n2a(family, sizeof(e->encap_oa),
761 &e->encap_oa, abuf, sizeof(abuf)));
762 fprintf(fp, "%s", _SL_);
763 }
764
765 if (tb[XFRMA_TMPL]) {
766 struct rtattr *rta = tb[XFRMA_TMPL];
767 xfrm_tmpl_print((struct xfrm_user_tmpl *) RTA_DATA(rta),
5cf576d9 768 RTA_PAYLOAD(rta), family, fp, prefix);
c7699875 769 }
7ea4f5d3
MN		 770
771 if (tb[XFRMA_COADDR]) {
772 char abuf[256];
773 xfrm_address_t *coa;
774
775 if (prefix)
9a73e17d 776 fputs(prefix, fp);
7ea4f5d3
MN		 777 fprintf(fp, "coa ");
778
779 coa = (xfrm_address_t *)RTA_DATA(tb[XFRMA_COADDR]);
780
781 if (RTA_PAYLOAD(tb[XFRMA_COADDR]) < sizeof(*coa)) {
782 fprintf(fp, "(ERROR truncated)");
783 fprintf(fp, "%s", _SL_);
784 return;
785 }
786
787 memset(abuf, '\0', sizeof(abuf));
788 fprintf(fp, "%s",
ae665a52 789 rt_addr_n2a(family, sizeof(*coa), coa,
7ea4f5d3
MN		 790 abuf, sizeof(abuf)));
791 fprintf(fp, "%s", _SL_);
792 }
793
794 if (tb[XFRMA_LASTUSED]) {
795 __u64 lastused;
796
797 if (prefix)
9a73e17d 798 fputs(prefix, fp);
7ea4f5d3
MN		 799 fprintf(fp, "lastused ");
800
801 if (RTA_PAYLOAD(tb[XFRMA_LASTUSED]) < sizeof(lastused)) {
802 fprintf(fp, "(ERROR truncated)");
803 fprintf(fp, "%s", _SL_);
804 return;
805 }
806
ff24746c 807 lastused = rta_getattr_u64(tb[XFRMA_LASTUSED]);
7ea4f5d3
MN		 808
809 fprintf(fp, "%s", strxf_time(lastused));
810 fprintf(fp, "%s", _SL_);
811 }
f6fd52e6 812
c7699875 813}
814
15ac4cdc 815static int xfrm_selector_iszero(struct xfrm_selector *s)
816{
817 struct xfrm_selector s0;
818
819 memset(&s0, 0, sizeof(s0));
820
821 return (memcmp(&s0, s, sizeof(s0)) == 0);
822}
823
824void xfrm_state_info_print(struct xfrm_usersa_info *xsinfo,
825 struct rtattr *tb[], FILE *fp, const char *prefix,
826 const char *title)
827{
828 char buf[STRBUF_SIZE];
7ea4f5d3 829 int force_spi = xfrm_xfrmproto_is_ipsec(xsinfo->id.proto);
15ac4cdc 830
831 memset(buf, '\0', sizeof(buf));
832
833 xfrm_id_info_print(&xsinfo->saddr, &xsinfo->id, xsinfo->mode,
7ea4f5d3
MN		 834 xsinfo->reqid, xsinfo->family, force_spi, fp,
835 prefix, title);
15ac4cdc 836
837 if (prefix)
838 STRBUF_CAT(buf, prefix);
839 STRBUF_CAT(buf, "\t");
840
9a73e17d 841 fputs(buf, fp);
15ac4cdc 842 fprintf(fp, "replay-window %u ", xsinfo->replay_window);
843 if (show_stats > 0)
844 fprintf(fp, "seq 0x%08u ", xsinfo->seq);
845 if (show_stats > 0 || xsinfo->flags) {
846 __u8 flags = xsinfo->flags;
847
848 fprintf(fp, "flag ");
849 XFRM_FLAG_PRINT(fp, flags, XFRM_STATE_NOECN, "noecn");
850 XFRM_FLAG_PRINT(fp, flags, XFRM_STATE_DECAP_DSCP, "decap-dscp");
c1fa2253 851 XFRM_FLAG_PRINT(fp, flags, XFRM_STATE_NOPMTUDISC, "nopmtudisc");
7ea4f5d3 852 XFRM_FLAG_PRINT(fp, flags, XFRM_STATE_WILDRECV, "wildrecv");
15bb82c6
AB		 853 XFRM_FLAG_PRINT(fp, flags, XFRM_STATE_ICMP, "icmp");
854 XFRM_FLAG_PRINT(fp, flags, XFRM_STATE_AF_UNSPEC, "af-unspec");
98f5519c 855 XFRM_FLAG_PRINT(fp, flags, XFRM_STATE_ALIGN4, "align4");
15ac4cdc 856 if (flags)
857 fprintf(fp, "%x", flags);
15ac4cdc 858 }
c1fa2253
MN		 859 if (show_stats > 0)
860 fprintf(fp, " (0x%s)", strxf_mask8(xsinfo->flags));
15ac4cdc 861 fprintf(fp, "%s", _SL_);
862
863 xfrm_xfrma_print(tb, xsinfo->family, fp, buf);
864
865 if (!xfrm_selector_iszero(&xsinfo->sel)) {
866 char sbuf[STRBUF_SIZE];
867
868 memcpy(sbuf, buf, sizeof(sbuf));
869 STRBUF_CAT(sbuf, "sel ");
870
871 xfrm_selector_print(&xsinfo->sel, xsinfo->family, fp, sbuf);
872 }
873
874 if (show_stats > 0) {
875 xfrm_lifetime_print(&xsinfo->lft, &xsinfo->curlft, fp, buf);
876 xfrm_stats_print(&xsinfo->stats, fp, buf);
877 }
b2bb289a
JL		 878
879 if (tb[XFRMA_SEC_CTX]) {
880 struct xfrm_user_sec_ctx *sctx;
881
882 fprintf(fp, "\tsecurity context ");
883
884 if (RTA_PAYLOAD(tb[XFRMA_SEC_CTX]) < sizeof(*sctx))
885 fprintf(fp, "(ERROR truncated)");
886
887 sctx = (struct xfrm_user_sec_ctx *)RTA_DATA(tb[XFRMA_SEC_CTX]);
888
889 fprintf(fp, "%s %s", (char *)(sctx + 1), _SL_);
890 }
891
15ac4cdc 892}
893
894void xfrm_policy_info_print(struct xfrm_userpolicy_info *xpinfo,
895 struct rtattr *tb[], FILE *fp, const char *prefix,
896 const char *title)
897{
898 char buf[STRBUF_SIZE];
899
900 memset(buf, '\0', sizeof(buf));
901
902 xfrm_selector_print(&xpinfo->sel, preferred_family, fp, title);
903
b2bb289a
JL		 904 if (tb[XFRMA_SEC_CTX]) {
905 struct xfrm_user_sec_ctx *sctx;
906
907 fprintf(fp, "\tsecurity context ");
908
909 if (RTA_PAYLOAD(tb[XFRMA_SEC_CTX]) < sizeof(*sctx))
910 fprintf(fp, "(ERROR truncated)");
911
912 sctx = (struct xfrm_user_sec_ctx *)RTA_DATA(tb[XFRMA_SEC_CTX]);
913
914 fprintf(fp, "%s ", (char *)(sctx + 1));
915 fprintf(fp, "%s", _SL_);
916 }
917
15ac4cdc 918 if (prefix)
919 STRBUF_CAT(buf, prefix);
920 STRBUF_CAT(buf, "\t");
921
9a73e17d 922 fputs(buf, fp);
66abc090
UW		 923 if (xpinfo->dir >= XFRM_POLICY_MAX) {
924 xpinfo->dir -= XFRM_POLICY_MAX;
925 fprintf(fp, "socket ");
926 } else
927 fprintf(fp, "dir ");
928
15ac4cdc 929 switch (xpinfo->dir) {
930 case XFRM_POLICY_IN:
931 fprintf(fp, "in");
932 break;
933 case XFRM_POLICY_OUT:
934 fprintf(fp, "out");
935 break;
936 case XFRM_POLICY_FWD:
937 fprintf(fp, "fwd");
938 break;
939 default:
940 fprintf(fp, "%u", xpinfo->dir);
941 break;
942 }
943 fprintf(fp, " ");
944
945 switch (xpinfo->action) {
946 case XFRM_POLICY_ALLOW:
947 if (show_stats > 0)
948 fprintf(fp, "action allow ");
949 break;
950 case XFRM_POLICY_BLOCK:
951 fprintf(fp, "action block ");
952 break;
953 default:
954 fprintf(fp, "action %u ", xpinfo->action);
955 break;
956 }
957
958 if (show_stats)
959 fprintf(fp, "index %u ", xpinfo->index);
960 fprintf(fp, "priority %u ", xpinfo->priority);
972938e9 961
972938e9
MN		 962 if (tb[XFRMA_POLICY_TYPE]) {
963 struct xfrm_userpolicy_type *upt;
964
efe69c1b
MN		 965 fprintf(fp, "ptype ");
966
972938e9
MN		 967 if (RTA_PAYLOAD(tb[XFRMA_POLICY_TYPE]) < sizeof(*upt))
968 fprintf(fp, "(ERROR truncated)");
969
970 upt = (struct xfrm_userpolicy_type *)RTA_DATA(tb[XFRMA_POLICY_TYPE]);
efe69c1b 971 fprintf(fp, "%s ", strxf_ptype(upt->type));
972938e9
MN		 972 }
973
c1fa2253 974 if (show_stats > 0)
15ac4cdc 975 fprintf(fp, "share %s ", strxf_share(xpinfo->share));
c1fa2253
MN		 976
977 if (show_stats > 0 || xpinfo->flags) {
978 __u8 flags = xpinfo->flags;
979
980 fprintf(fp, "flag ");
981 XFRM_FLAG_PRINT(fp, flags, XFRM_POLICY_LOCALOK, "localok");
c0635644 982 XFRM_FLAG_PRINT(fp, flags, XFRM_POLICY_ICMP, "icmp");
c1fa2253
MN		 983 if (flags)
984 fprintf(fp, "%x", flags);
15ac4cdc 985 }
c1fa2253
MN		 986 if (show_stats > 0)
987 fprintf(fp, " (0x%s)", strxf_mask8(xpinfo->flags));
15ac4cdc 988 fprintf(fp, "%s", _SL_);
989
990 if (show_stats > 0)
991 xfrm_lifetime_print(&xpinfo->lft, &xpinfo->curlft, fp, buf);
992
993 xfrm_xfrma_print(tb, xpinfo->sel.family, fp, buf);
994}
995
c7699875 996int xfrm_id_parse(xfrm_address_t *saddr, struct xfrm_id *id, __u16 *family,
7809c616 997 int loose, int *argcp, char ***argvp)
c7699875 998{
999 int argc = *argcp;
1000 char **argv = *argvp;
1001 inet_prefix dst;
1002 inet_prefix src;
c7699875 1003
1004 memset(&dst, 0, sizeof(dst));
1005 memset(&src, 0, sizeof(src));
1006
1007 while (1) {
1008 if (strcmp(*argv, "src") == 0) {
1009 NEXT_ARG();
1010
1011 get_prefix(&src, *argv, preferred_family);
1012 if (src.family == AF_UNSPEC)
eaa34ee3 1013 invarg("\"src\" address family is AF_UNSPEC", *argv);
c7699875 1014 if (family)
1015 *family = src.family;
1016
1017 memcpy(saddr, &src.data, sizeof(*saddr));
1018
1019 filter.id_src_mask = src.bitlen;
1020
1021 } else if (strcmp(*argv, "dst") == 0) {
1022 NEXT_ARG();
1023
1024 get_prefix(&dst, *argv, preferred_family);
1025 if (dst.family == AF_UNSPEC)
eaa34ee3 1026 invarg("\"dst\" address family is AF_UNSPEC", *argv);
c7699875 1027 if (family)
1028 *family = dst.family;
1029
1030 memcpy(&id->daddr, &dst.data, sizeof(id->daddr));
1031
1032 filter.id_dst_mask = dst.bitlen;
1033
1034 } else if (strcmp(*argv, "proto") == 0) {
29aa4dd7 1035 int ret;
c7699875 1036
1037 NEXT_ARG();
1038
29aa4dd7 1039 ret = xfrm_xfrmproto_getbyname(*argv);
1040 if (ret < 0)
cbec0219 1041 invarg("\"XFRM-PROTO\" is invalid", *argv);
c7699875 1042
29aa4dd7 1043 id->proto = (__u8)ret;
c7699875 1044
1045 filter.id_proto_mask = XFRM_FILTER_MASK_FULL;
1046
1047 } else if (strcmp(*argv, "spi") == 0) {
1048 __u32 spi;
1049
1050 NEXT_ARG();
1051 if (get_u32(&spi, *argv, 0))
1052 invarg("\"SPI\" is invalid", *argv);
1053
1054 spi = htonl(spi);
1055 id->spi = spi;
1056
1057 filter.id_spi_mask = XFRM_FILTER_MASK_FULL;
1058
1059 } else {
1060 PREV_ARG(); /* back track */
1061 break;
1062 }
1063
1064 if (!NEXT_ARG_OK())
1065 break;
1066 NEXT_ARG();
1067 }
1068
1069 if (src.family && dst.family && (src.family != dst.family))
eaa34ee3 1070 invarg("the same address family is required between \"src\" and \"dst\"", *argv);
c7699875 1071
1d26e1fe
DW		 1072 if (id->spi && id->proto) {
1073 if (xfrm_xfrmproto_is_ro(id->proto)) {
1074 fprintf(stderr, "\"spi\" is invalid with XFRM-PROTO value \"%s\"\n",
1075 strxf_xfrmproto(id->proto));
1076 exit(1);
1077 } else if (id->proto == IPPROTO_COMP && ntohl(id->spi) >= 0x10000) {
1078 fprintf(stderr, "SPI value is too large with XFRM-PROTO value \"%s\"\n",
1079 strxf_xfrmproto(id->proto));
1080 exit(1);
1081 }
1082 }
1083
29aa4dd7 1084 if (loose == 0 && id->proto == 0)
cbec0219 1085 missarg("XFRM-PROTO");
c7699875 1086 if (argc == *argcp)
1087 missarg("ID");
1088
1089 *argcp = argc;
1090 *argvp = argv;
1091
1092 return 0;
1093}
1094
1095int xfrm_mode_parse(__u8 *mode, int *argcp, char ***argvp)
1096{
1097 int argc = *argcp;
1098 char **argv = *argvp;
1099
1100 if (matches(*argv, "transport") == 0)
7ea4f5d3 1101 *mode = XFRM_MODE_TRANSPORT;
c7699875 1102 else if (matches(*argv, "tunnel") == 0)
7ea4f5d3
MN		 1103 *mode = XFRM_MODE_TUNNEL;
1104 else if (matches(*argv, "ro") == 0)
1105 *mode = XFRM_MODE_ROUTEOPTIMIZATION;
1106 else if (matches(*argv, "in_trigger") == 0)
1107 *mode = XFRM_MODE_IN_TRIGGER;
34e099e2 1108 else if (matches(*argv, "beet") == 0)
7ea4f5d3 1109 *mode = XFRM_MODE_BEET;
c7699875 1110 else
1111 invarg("\"MODE\" is invalid", *argv);
1112
1113 *argcp = argc;
1114 *argvp = argv;
1115
1116 return 0;
1117}
1118
5cf576d9
SH		 1119int xfrm_encap_type_parse(__u16 *type, int *argcp, char ***argvp)
1120{
1121 int argc = *argcp;
1122 char **argv = *argvp;
1123
1124 if (strcmp(*argv, "espinudp-nonike") == 0)
1125 *type = 1;
1126 else if (strcmp(*argv, "espinudp") == 0)
1127 *type = 2;
1128 else
1129 invarg("\"ENCAP-TYPE\" is invalid", *argv);
1130
1131 *argcp = argc;
1132 *argvp = argv;
1133
1134 return 0;
1135}
1136
c7699875 1137/* NOTE: reqid is used by host-byte order */
1138int xfrm_reqid_parse(__u32 *reqid, int *argcp, char ***argvp)
1139{
1140 int argc = *argcp;
1141 char **argv = *argvp;
1142
1143 if (get_u32(reqid, *argv, 0))
1144 invarg("\"REQID\" is invalid", *argv);
1145
1146 *argcp = argc;
1147 *argvp = argv;
1148
1149 return 0;
1150}
1151
1152static int xfrm_selector_upspec_parse(struct xfrm_selector *sel,
1153 int *argcp, char ***argvp)
1154{
1155 int argc = *argcp;
1156 char **argv = *argvp;
c70b36d2 1157 char *sportp = NULL;
1158 char *dportp = NULL;
1159 char *typep = NULL;
1160 char *codep = NULL;
4a9608e6 1161 char *grekey = NULL;
c7699875 1162
1163 while (1) {
1164 if (strcmp(*argv, "proto") == 0) {
7809c616 1165 __u8 upspec;
1166
c7699875 1167 NEXT_ARG();
1168
1169 if (strcmp(*argv, "any") == 0)
1170 upspec = 0;
1171 else {
1172 struct protoent *pp;
1173 pp = getprotobyname(*argv);
1174 if (pp)
1175 upspec = pp->p_proto;
1176 else {
1177 if (get_u8(&upspec, *argv, 0))
7809c616 1178 invarg("\"PROTO\" is invalid", *argv);
c7699875 1179 }
1180 }
1181 sel->proto = upspec;
1182
1183 filter.upspec_proto_mask = XFRM_FILTER_MASK_FULL;
1184
1185 } else if (strcmp(*argv, "sport") == 0) {
c70b36d2 1186 sportp = *argv;
1187
c7699875 1188 NEXT_ARG();
1189
1190 if (get_u16(&sel->sport, *argv, 0))
1191 invarg("\"PORT\" is invalid", *argv);
1192 sel->sport = htons(sel->sport);
1193 if (sel->sport)
1194 sel->sport_mask = ~((__u16)0);
1195
1196 filter.upspec_sport_mask = XFRM_FILTER_MASK_FULL;
1197
1198 } else if (strcmp(*argv, "dport") == 0) {
c70b36d2 1199 dportp = *argv;
1200
c7699875 1201 NEXT_ARG();
1202
1203 if (get_u16(&sel->dport, *argv, 0))
1204 invarg("\"PORT\" is invalid", *argv);
1205 sel->dport = htons(sel->dport);
1206 if (sel->dport)
1207 sel->dport_mask = ~((__u16)0);
1208
1209 filter.upspec_dport_mask = XFRM_FILTER_MASK_FULL;
1210
c70b36d2 1211 } else if (strcmp(*argv, "type") == 0) {
1212 typep = *argv;
1213
1214 NEXT_ARG();
1215
1216 if (get_u16(&sel->sport, *argv, 0) ||
1217 (sel->sport & ~((__u16)0xff)))
1218 invarg("\"type\" value is invalid", *argv);
1219 sel->sport = htons(sel->sport);
1220 sel->sport_mask = ~((__u16)0);
1221
1222 filter.upspec_sport_mask = XFRM_FILTER_MASK_FULL;
1223
1224
1225 } else if (strcmp(*argv, "code") == 0) {
1226 codep = *argv;
1227
1228 NEXT_ARG();
1229
1230 if (get_u16(&sel->dport, *argv, 0) ||
1231 (sel->dport & ~((__u16)0xff)))
1232 invarg("\"code\" value is invalid", *argv);
1233 sel->dport = htons(sel->dport);
1234 sel->dport_mask = ~((__u16)0);
1235
1236 filter.upspec_dport_mask = XFRM_FILTER_MASK_FULL;
1237
4a9608e6
TT		 1238 } else if (strcmp(*argv, "key") == 0) {
1239 unsigned uval;
1240
1241 grekey = *argv;
1242
1243 NEXT_ARG();
1244
1245 if (strchr(*argv, '.'))
1246 uval = htonl(get_addr32(*argv));
1247 else {
1248 if (get_unsigned(&uval, *argv, 0)<0) {
14645ec2 1249 fprintf(stderr, "invalid value for \"key\"; it should be an unsigned integer\n");
4a9608e6
TT		 1250 exit(-1);
1251 }
1252 }
1253
1254 sel->sport = htons(uval >> 16);
1255 sel->dport = htons(uval & 0xffff);
1256 sel->sport_mask = ~((__u16)0);
1257 sel->dport_mask = ~((__u16)0);
1258
1259 filter.upspec_dport_mask = XFRM_FILTER_MASK_FULL;
1260
c7699875 1261 } else {
1262 PREV_ARG(); /* back track */
1263 break;
1264 }
1265
1266 if (!NEXT_ARG_OK())
1267 break;
1268 NEXT_ARG();
1269 }
1270 if (argc == *argcp)
1271 missarg("UPSPEC");
c70b36d2 1272 if (sportp || dportp) {
1273 switch (sel->proto) {
1274 case IPPROTO_TCP:
1275 case IPPROTO_UDP:
1276 case IPPROTO_SCTP:
27356a5e 1277 case IPPROTO_DCCP:
c70b36d2 1278 break;
1279 default:
1280 fprintf(stderr, "\"sport\" and \"dport\" are invalid with proto=%s\n", strxf_proto(sel->proto));
1281 exit(1);
1282 }
1283 }
1284 if (typep || codep) {
1285 switch (sel->proto) {
1286 case IPPROTO_ICMP:
1287 case IPPROTO_ICMPV6:
0bf0fbc4 1288 case IPPROTO_MH:
c70b36d2 1289 break;
1290 default:
1291 fprintf(stderr, "\"type\" and \"code\" are invalid with proto=%s\n", strxf_proto(sel->proto));
1292 exit(1);
1293 }
1294 }
4a9608e6
TT		 1295 if (grekey) {
1296 switch (sel->proto) {
1297 case IPPROTO_GRE:
1298 break;
1299 default:
1300 fprintf(stderr, "\"key\" is invalid with proto=%s\n", strxf_proto(sel->proto));
1301 exit(1);
1302 }
1303 }
c7699875 1304
1305 *argcp = argc;
1306 *argvp = argv;
1307
1308 return 0;
1309}
1310
1311int xfrm_selector_parse(struct xfrm_selector *sel, int *argcp, char ***argvp)
1312{
1313 int argc = *argcp;
1314 char **argv = *argvp;
1315 inet_prefix dst;
1316 inet_prefix src;
7809c616 1317 char *upspecp = NULL;
c7699875 1318
1319 memset(&dst, 0, sizeof(dst));
1320 memset(&src, 0, sizeof(src));
1321
1322 while (1) {
1323 if (strcmp(*argv, "src") == 0) {
1324 NEXT_ARG();
1325
1326 get_prefix(&src, *argv, preferred_family);
1327 if (src.family == AF_UNSPEC)
eaa34ee3 1328 invarg("\"src\" address family is AF_UNSPEC", *argv);
c7699875 1329 sel->family = src.family;
1330
1331 memcpy(&sel->saddr, &src.data, sizeof(sel->saddr));
1332 sel->prefixlen_s = src.bitlen;
1333
1334 filter.sel_src_mask = src.bitlen;
1335
1336 } else if (strcmp(*argv, "dst") == 0) {
1337 NEXT_ARG();
1338
1339 get_prefix(&dst, *argv, preferred_family);
1340 if (dst.family == AF_UNSPEC)
eaa34ee3 1341 invarg("\"dst\" address family is AF_UNSPEC", *argv);
c7699875 1342 sel->family = dst.family;
1343
1344 memcpy(&sel->daddr, &dst.data, sizeof(sel->daddr));
1345 sel->prefixlen_d = dst.bitlen;
1346
1347 filter.sel_dst_mask = dst.bitlen;
1348
c7699875 1349 } else if (strcmp(*argv, "dev") == 0) {
1350 int ifindex;
1351
1352 NEXT_ARG();
1353
1354 if (strcmp(*argv, "none") == 0)
1355 ifindex = 0;
1356 else {
dcb283c3 1357 ifindex = ll_name_to_index(*argv);
c7699875 1358 if (ifindex <= 0)
1359 invarg("\"DEV\" is invalid", *argv);
1360 }
1361 sel->ifindex = ifindex;
1362
1363 filter.sel_dev_mask = XFRM_FILTER_MASK_FULL;
1364
1365 } else {
7809c616 1366 if (upspecp) {
1367 PREV_ARG(); /* back track */
1368 break;
1369 } else {
1370 upspecp = *argv;
1371 xfrm_selector_upspec_parse(sel, &argc, &argv);
1372 }
c7699875 1373 }
1374
1375 if (!NEXT_ARG_OK())
1376 break;
1377
1378 NEXT_ARG();
1379 }
1380
1381 if (src.family && dst.family && (src.family != dst.family))
eaa34ee3 1382 invarg("the same address family is required between \"src\" and \"dst\"", *argv);
c7699875 1383
1384 if (argc == *argcp)
1385 missarg("SELECTOR");
1386
1387 *argcp = argc;
1388 *argvp = argv;
1389
1390 return 0;
1391}
1392
1393int xfrm_lifetime_cfg_parse(struct xfrm_lifetime_cfg *lft,
1394 int *argcp, char ***argvp)
1395{
1396 int argc = *argcp;
1397 char **argv = *argvp;
1398 int ret;
1399
1400 if (strcmp(*argv, "time-soft") == 0) {
1401 NEXT_ARG();
1402 ret = get_u64(&lft->soft_add_expires_seconds, *argv, 0);
1403 if (ret)
1404 invarg("\"time-soft\" value is invalid", *argv);
1405 } else if (strcmp(*argv, "time-hard") == 0) {
1406 NEXT_ARG();
1407 ret = get_u64(&lft->hard_add_expires_seconds, *argv, 0);
1408 if (ret)
1409 invarg("\"time-hard\" value is invalid", *argv);
1410 } else if (strcmp(*argv, "time-use-soft") == 0) {
1411 NEXT_ARG();
1412 ret = get_u64(&lft->soft_use_expires_seconds, *argv, 0);
1413 if (ret)
1414 invarg("\"time-use-soft\" value is invalid", *argv);
1415 } else if (strcmp(*argv, "time-use-hard") == 0) {
1416 NEXT_ARG();
1417 ret = get_u64(&lft->hard_use_expires_seconds, *argv, 0);
1418 if (ret)
1419 invarg("\"time-use-hard\" value is invalid", *argv);
1420 } else if (strcmp(*argv, "byte-soft") == 0) {
1421 NEXT_ARG();
1422 ret = get_u64(&lft->soft_byte_limit, *argv, 0);
1423 if (ret)
1424 invarg("\"byte-soft\" value is invalid", *argv);
1425 } else if (strcmp(*argv, "byte-hard") == 0) {
1426 NEXT_ARG();
1427 ret = get_u64(&lft->hard_byte_limit, *argv, 0);
1428 if (ret)
1429 invarg("\"byte-hard\" value is invalid", *argv);
1430 } else if (strcmp(*argv, "packet-soft") == 0) {
1431 NEXT_ARG();
1432 ret = get_u64(&lft->soft_packet_limit, *argv, 0);
1433 if (ret)
1434 invarg("\"packet-soft\" value is invalid", *argv);
1435 } else if (strcmp(*argv, "packet-hard") == 0) {
1436 NEXT_ARG();
1437 ret = get_u64(&lft->hard_packet_limit, *argv, 0);
1438 if (ret)
1439 invarg("\"packet-hard\" value is invalid", *argv);
1440 } else
1441 invarg("\"LIMIT\" is invalid", *argv);
1442
1443 *argcp = argc;
1444 *argvp = argv;
1445
1446 return 0;
1447}
1448
1449int do_xfrm(int argc, char **argv)
1450{
1451 memset(&filter, 0, sizeof(filter));
1452
1453 if (argc < 1)
1454 usage();
1455
ad273962 1456 if (matches(*argv, "state") == 0 ||
15ac4cdc 1457 matches(*argv, "sa") == 0)
c7699875 1458 return do_xfrm_state(argc-1, argv+1);
15ac4cdc 1459 else if (matches(*argv, "policy") == 0)
c7699875 1460 return do_xfrm_policy(argc-1, argv+1);
15ac4cdc 1461 else if (matches(*argv, "monitor") == 0)
1462 return do_xfrm_monitor(argc-1, argv+1);
ad273962 1463 else if (matches(*argv, "help") == 0) {
c7699875 1464 usage();
1465 fprintf(stderr, "xfrm Object \"%s\" is unknown.\n", *argv);
1466 exit(-1);
1467 }
1468 usage();
1469}
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