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