ipxfrm.c revision 8dbe67d2fe40fc4dc873610f8f20a5fa042cc4bc
1/* $USAGI: $ */ 2 3/* 4 * Copyright (C)2004 USAGI/WIDE Project 5 * 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. 10 * 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. 15 * 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 <alloca.h> 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> 36#include <linux/netlink.h> 37#include <linux/rtnetlink.h> 38#include <linux/xfrm.h> 39 40#include "utils.h" 41#include "xfrm.h" 42#include "ip_common.h" 43 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 57struct xfrm_filter filter; 58 59static void usage(void) __attribute__((noreturn)); 60 61static void usage(void) 62{ 63 fprintf(stderr, 64 "Usage: ip xfrm XFRM-OBJECT { COMMAND | help }\n" 65 "where XFRM-OBJECT := state | policy | monitor\n"); 66 exit(-1); 67} 68 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 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 111struct typeent { 112 const char *t_name; 113 int t_type; 114}; 115 116static const struct typeent xfrmproto_types[]= { 117 { "esp", IPPROTO_ESP }, { "ah", IPPROTO_AH }, { "comp", IPPROTO_COMP }, 118 { "route2", IPPROTO_ROUTING }, { "hao", IPPROTO_DSTOPTS }, 119 { "ipsec-any", IPSEC_PROTO_ANY }, 120 { NULL, -1 } 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{ 141 static char str[16]; 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 } 152 153 sprintf(str, "%u", proto); 154 return str; 155} 156 157static const struct typeent algo_types[]= { 158 { "enc", XFRMA_ALG_CRYPT }, { "auth", XFRMA_ALG_AUTH }, 159 { "comp", XFRMA_ALG_COMP }, { "aead", XFRMA_ALG_AEAD }, 160 { "auth-trunc", XFRMA_ALG_AUTH_TRUNC }, 161 { NULL, -1 } 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{ 182 static char str[32]; 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 } 193 194 sprintf(str, "%d", type); 195 return str; 196} 197 198const char *strxf_mask8(__u8 mask) 199{ 200 static char str[16]; 201 const int sn = sizeof(mask) * 8 - 1; 202 __u8 b; 203 int i = 0; 204 205 for (b = (1 << sn); b > 0; b >>= 1) 206 str[i++] = ((b & mask) ? '1' : '0'); 207 str[i] = '\0'; 208 209 return str; 210} 211 212const char *strxf_mask32(__u32 mask) 213{ 214 static char str[16]; 215 216 sprintf(str, "%.8x", mask); 217 218 return str; 219} 220 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: 239 sprintf(str, "%u", share); 240 break; 241 } 242 243 return str; 244} 245 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 { 256 sprintf(buf, "%u", proto); 257 p = buf; 258 } 259 260 return p; 261} 262 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 282void xfrm_id_info_print(xfrm_address_t *saddr, struct xfrm_id *id, 283 __u8 mode, __u32 reqid, __u16 family, int force_spi, 284 FILE *fp, const char *prefix, const char *title) 285{ 286 char abuf[256]; 287 288 if (title) 289 fputs(title, fp); 290 291 memset(abuf, '\0', sizeof(abuf)); 292 fprintf(fp, "src %s ", rt_addr_n2a(family, sizeof(*saddr), 293 saddr, abuf, sizeof(abuf))); 294 memset(abuf, '\0', sizeof(abuf)); 295 fprintf(fp, "dst %s", rt_addr_n2a(family, sizeof(id->daddr), 296 &id->daddr, abuf, sizeof(abuf))); 297 fprintf(fp, "%s", _SL_); 298 299 if (prefix) 300 fputs(prefix, fp); 301 fprintf(fp, "\t"); 302 303 fprintf(fp, "proto %s ", strxf_xfrmproto(id->proto)); 304 305 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 } 312 313 fprintf(fp, "reqid %u", reqid); 314 if (show_stats > 0) 315 fprintf(fp, "(0x%08x)", reqid); 316 fprintf(fp, " "); 317 318 fprintf(fp, "mode "); 319 switch (mode) { 320 case XFRM_MODE_TRANSPORT: 321 fprintf(fp, "transport"); 322 break; 323 case XFRM_MODE_TUNNEL: 324 fprintf(fp, "tunnel"); 325 break; 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: 333 fprintf(fp, "beet"); 334 break; 335 default: 336 fprintf(fp, "%u", mode); 337 break; 338 } 339 fprintf(fp, "%s", _SL_); 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 348 sprintf(str, "%llu", (unsigned long long) limit); 349 350 return str; 351} 352 353void xfrm_stats_print(struct xfrm_stats *s, FILE *fp, const char *prefix) 354{ 355 if (prefix) 356 fputs(prefix, fp); 357 fprintf(fp, "stats:%s", _SL_); 358 359 if (prefix) 360 fputs(prefix, fp); 361 fprintf(fp, " replay-window %u replay %u failed %u%s", 362 s->replay_window, s->replay, s->integrity_failed, _SL_); 363} 364 365static const char *strxf_time(__u64 time) 366{ 367 static char str[32]; 368 369 if (time == 0) 370 strcpy(str, "-"); 371 else { 372 time_t t; 373 struct tm *tp; 374 375 /* XXX: treat time in the same manner of kernel's 376 * net/xfrm/xfrm_{user,state}.c 377 */ 378 t = (long)time; 379 tp = localtime(&t); 380 381 strftime(str, sizeof(str), "%Y-%m-%d %T", tp); 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) 393 fputs(prefix, fp); 394 fprintf(fp, "lifetime config:%s",_SL_); 395 396 if (prefix) 397 fputs(prefix, fp); 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_); 402 403 if (prefix) 404 fputs(prefix, fp); 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_); 409 410 if (prefix) 411 fputs(prefix, fp); 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_); 416 417 if (prefix) 418 fputs(prefix, fp); 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_); 423 } 424 if (cur) { 425 if (prefix) 426 fputs(prefix, fp); 427 fprintf(fp, "lifetime current:%s", _SL_); 428 429 if (prefix) 430 fputs(prefix, fp); 431 fprintf(fp, " %llu(bytes), %llu(packets)%s", 432 (unsigned long long) cur->bytes, 433 (unsigned long long) cur->packets, 434 _SL_); 435 436 if (prefix) 437 fputs(prefix, fp); 438 fprintf(fp, " add %s ", strxf_time(cur->add_time)); 439 fprintf(fp, "use %s%s", strxf_time(cur->use_time), _SL_); 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) 456 fputs(prefix, fp); 457 458 memset(abuf, '\0', sizeof(abuf)); 459 fprintf(fp, "src %s/%u ", rt_addr_n2a(f, sizeof(sel->saddr), 460 &sel->saddr, abuf, sizeof(abuf)), 461 sel->prefixlen_s); 462 463 memset(abuf, '\0', sizeof(abuf)); 464 fprintf(fp, "dst %s/%u ", rt_addr_n2a(f, sizeof(sel->daddr), 465 &sel->daddr, abuf, sizeof(abuf)), 466 sel->prefixlen_d); 467 468 if (sel->proto) 469 fprintf(fp, "proto %s ", strxf_proto(sel->proto)); 470 switch (sel->proto) { 471 case IPPROTO_TCP: 472 case IPPROTO_UDP: 473 case IPPROTO_SCTP: 474 case IPPROTO_DCCP: 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; 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; 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; 503 } 504 505 if (sel->ifindex > 0) 506 fprintf(fp, "dev %s ", ll_index_to_name(sel->ifindex)); 507 508 if (show_stats > 0) 509 fprintf(fp, "uid %u", sel->user); 510 511 fprintf(fp, "%s", _SL_); 512} 513 514static void __xfrm_algo_print(struct xfrm_algo *algo, int type, int len, 515 FILE *fp, const char *prefix, int newline) 516{ 517 int keylen; 518 int i; 519 520 if (prefix) 521 fputs(prefix, fp); 522 523 fprintf(fp, "%s ", strxf_algotype(type)); 524 525 if (len < sizeof(*algo)) { 526 fprintf(fp, "(ERROR truncated)"); 527 goto fin; 528 } 529 len -= sizeof(*algo); 530 531 fprintf(fp, "%s ", algo->alg_name); 532 533 keylen = algo->alg_key_len / 8; 534 if (len < keylen) { 535 fprintf(fp, "(ERROR truncated)"); 536 goto fin; 537 } 538 539 if (keylen > 0) { 540 fprintf(fp, "0x"); 541 for (i = 0; i < keylen; i ++) 542 fprintf(fp, "%.2x", (unsigned char)algo->alg_key[i]); 543 544 if (show_stats > 0) 545 fprintf(fp, " (%d bits)", algo->alg_key_len); 546 } 547 548 fin: 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{ 562 struct xfrm_algo *base_algo = alloca(sizeof(*base_algo) + algo->alg_key_len / 8); 563 564 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); 567 568 __xfrm_algo_print(base_algo, XFRMA_ALG_AEAD, len, fp, prefix, 0); 569 570 fprintf(fp, " %d", algo->alg_icv_len); 571 572 fprintf(fp, "%s", _SL_); 573} 574 575static void xfrm_auth_trunc_print(struct xfrm_algo_auth *algo, int len, 576 FILE *fp, const char *prefix) 577{ 578 struct xfrm_algo *base_algo = alloca(sizeof(*base_algo) + algo->alg_key_len / 8); 579 580 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); 583 584 __xfrm_algo_print(base_algo, XFRMA_ALG_AUTH_TRUNC, len, fp, prefix, 0); 585 586 fprintf(fp, " %d", algo->alg_trunc_len); 587 588 fprintf(fp, "%s", _SL_); 589} 590 591static void xfrm_tmpl_print(struct xfrm_user_tmpl *tmpls, int len, 592 __u16 family, FILE *fp, const char *prefix) 593{ 594 int ntmpls = len / sizeof(struct xfrm_user_tmpl); 595 int i; 596 597 if (ntmpls <= 0) { 598 if (prefix) 599 fputs(prefix, fp); 600 fprintf(fp, "(ERROR \"tmpl\" truncated)"); 601 fprintf(fp, "%s", _SL_); 602 return; 603 } 604 605 for (i = 0; i < ntmpls; i++) { 606 struct xfrm_user_tmpl *tmpl = &tmpls[i]; 607 608 if (prefix) 609 fputs(prefix, fp); 610 611 xfrm_id_info_print(&tmpl->saddr, &tmpl->id, tmpl->mode, 612 tmpl->reqid, tmpl->family, 0, fp, prefix, "tmpl "); 613 614 if (show_stats > 0 || tmpl->optional) { 615 if (prefix) 616 fputs(prefix, fp); 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 } 630 631 if (show_stats > 0) 632 fprintf(fp, "share %s ", strxf_share(tmpl->share)); 633 634 fprintf(fp, "%s", _SL_); 635 } 636 637 if (show_stats > 0) { 638 if (prefix) 639 fputs(prefix, fp); 640 fprintf(fp, "\t"); 641 fprintf(fp, "%s-mask %s ", 642 strxf_algotype(XFRMA_ALG_CRYPT), 643 strxf_mask32(tmpl->ealgos)); 644 fprintf(fp, "%s-mask %s ", 645 strxf_algotype(XFRMA_ALG_AUTH), 646 strxf_mask32(tmpl->aalgos)); 647 fprintf(fp, "%s-mask %s", 648 strxf_algotype(XFRMA_ALG_COMP), 649 strxf_mask32(tmpl->calgos)); 650 651 fprintf(fp, "%s", _SL_); 652 } 653 } 654} 655 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 689void xfrm_xfrma_print(struct rtattr *tb[], __u16 family, 690 FILE *fp, const char *prefix) 691{ 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 } 697 698 if (tb[XFRMA_ALG_AUTH] && !tb[XFRMA_ALG_AUTH_TRUNC]) { 699 struct rtattr *rta = tb[XFRMA_ALG_AUTH]; 700 xfrm_algo_print((struct xfrm_algo *) RTA_DATA(rta), 701 XFRMA_ALG_AUTH, RTA_PAYLOAD(rta), fp, prefix); 702 } 703 704 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 } 709 710 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 } 715 716 if (tb[XFRMA_ALG_CRYPT]) { 717 struct rtattr *rta = tb[XFRMA_ALG_CRYPT]; 718 xfrm_algo_print((struct xfrm_algo *) RTA_DATA(rta), 719 XFRMA_ALG_CRYPT, RTA_PAYLOAD(rta), fp, prefix); 720 } 721 722 if (tb[XFRMA_ALG_COMP]) { 723 struct rtattr *rta = tb[XFRMA_ALG_COMP]; 724 xfrm_algo_print((struct xfrm_algo *) RTA_DATA(rta), 725 XFRMA_ALG_COMP, RTA_PAYLOAD(rta), fp, prefix); 726 } 727 728 if (tb[XFRMA_ENCAP]) { 729 struct xfrm_encap_tmpl *e; 730 char abuf[256]; 731 732 if (prefix) 733 fputs(prefix, fp); 734 fprintf(fp, "encap "); 735 736 if (RTA_PAYLOAD(tb[XFRMA_ENCAP]) < sizeof(*e)) { 737 fprintf(fp, "(ERROR truncated)"); 738 fprintf(fp, "%s", _SL_); 739 return; 740 } 741 e = (struct xfrm_encap_tmpl *) RTA_DATA(tb[XFRMA_ENCAP]); 742 743 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 } 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), 768 RTA_PAYLOAD(rta), family, fp, prefix); 769 } 770 771 if (tb[XFRMA_COADDR]) { 772 char abuf[256]; 773 xfrm_address_t *coa; 774 775 if (prefix) 776 fputs(prefix, fp); 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", 789 rt_addr_n2a(family, sizeof(*coa), coa, 790 abuf, sizeof(abuf))); 791 fprintf(fp, "%s", _SL_); 792 } 793 794 if (tb[XFRMA_LASTUSED]) { 795 __u64 lastused; 796 797 if (prefix) 798 fputs(prefix, fp); 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 } 806 807 lastused = rta_getattr_u64(tb[XFRMA_LASTUSED]); 808 809 fprintf(fp, "%s", strxf_time(lastused)); 810 fprintf(fp, "%s", _SL_); 811 } 812 813} 814 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]; 829 int force_spi = xfrm_xfrmproto_is_ipsec(xsinfo->id.proto); 830 831 memset(buf, '\0', sizeof(buf)); 832 833 xfrm_id_info_print(&xsinfo->saddr, &xsinfo->id, xsinfo->mode, 834 xsinfo->reqid, xsinfo->family, force_spi, fp, 835 prefix, title); 836 837 if (prefix) 838 STRBUF_CAT(buf, prefix); 839 STRBUF_CAT(buf, "\t"); 840 841 fputs(buf, fp); 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"); 851 XFRM_FLAG_PRINT(fp, flags, XFRM_STATE_NOPMTUDISC, "nopmtudisc"); 852 XFRM_FLAG_PRINT(fp, flags, XFRM_STATE_WILDRECV, "wildrecv"); 853 XFRM_FLAG_PRINT(fp, flags, XFRM_STATE_ICMP, "icmp"); 854 XFRM_FLAG_PRINT(fp, flags, XFRM_STATE_AF_UNSPEC, "af-unspec"); 855 XFRM_FLAG_PRINT(fp, flags, XFRM_STATE_ALIGN4, "align4"); 856 if (flags) 857 fprintf(fp, "%x", flags); 858 } 859 if (show_stats > 0) 860 fprintf(fp, " (0x%s)", strxf_mask8(xsinfo->flags)); 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 } 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 } 891 892} 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); 903 904 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 } 917 918 if (prefix) 919 STRBUF_CAT(buf, prefix); 920 STRBUF_CAT(buf, "\t"); 921 922 fputs(buf, fp); 923 if (xpinfo->dir >= XFRM_POLICY_MAX) { 924 xpinfo->dir -= XFRM_POLICY_MAX; 925 fprintf(fp, "socket "); 926 } else 927 fprintf(fp, "dir "); 928 929 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); 961 962 if (tb[XFRMA_POLICY_TYPE]) { 963 struct xfrm_userpolicy_type *upt; 964 965 fprintf(fp, "ptype "); 966 967 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]); 971 fprintf(fp, "%s ", strxf_ptype(upt->type)); 972 } 973 974 if (show_stats > 0) 975 fprintf(fp, "share %s ", strxf_share(xpinfo->share)); 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"); 982 XFRM_FLAG_PRINT(fp, flags, XFRM_POLICY_ICMP, "icmp"); 983 if (flags) 984 fprintf(fp, "%x", flags); 985 } 986 if (show_stats > 0) 987 fprintf(fp, " (0x%s)", strxf_mask8(xpinfo->flags)); 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 996int xfrm_id_parse(xfrm_address_t *saddr, struct xfrm_id *id, __u16 *family, 997 int loose, int *argcp, char ***argvp) 998{ 999 int argc = *argcp; 1000 char **argv = *argvp; 1001 inet_prefix dst; 1002 inet_prefix src; 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) 1013 invarg("\"src\" address family is AF_UNSPEC", *argv); 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) 1026 invarg("\"dst\" address family is AF_UNSPEC", *argv); 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) { 1035 int ret; 1036 1037 NEXT_ARG(); 1038 1039 ret = xfrm_xfrmproto_getbyname(*argv); 1040 if (ret < 0) 1041 invarg("\"XFRM-PROTO\" is invalid", *argv); 1042 1043 id->proto = (__u8)ret; 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)) 1070 invarg("the same address family is required between \"src\" and \"dst\"", *argv); 1071 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 1084 if (loose == 0 && id->proto == 0) 1085 missarg("XFRM-PROTO"); 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) 1101 *mode = XFRM_MODE_TRANSPORT; 1102 else if (matches(*argv, "tunnel") == 0) 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; 1108 else if (matches(*argv, "beet") == 0) 1109 *mode = XFRM_MODE_BEET; 1110 else 1111 invarg("\"MODE\" is invalid", *argv); 1112 1113 *argcp = argc; 1114 *argvp = argv; 1115 1116 return 0; 1117} 1118 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 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; 1157 char *sportp = NULL; 1158 char *dportp = NULL; 1159 char *typep = NULL; 1160 char *codep = NULL; 1161 char *grekey = NULL; 1162 1163 while (1) { 1164 if (strcmp(*argv, "proto") == 0) { 1165 __u8 upspec; 1166 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)) 1178 invarg("\"PROTO\" is invalid", *argv); 1179 } 1180 } 1181 sel->proto = upspec; 1182 1183 filter.upspec_proto_mask = XFRM_FILTER_MASK_FULL; 1184 1185 } else if (strcmp(*argv, "sport") == 0) { 1186 sportp = *argv; 1187 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) { 1199 dportp = *argv; 1200 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 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 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) { 1249 fprintf(stderr, "invalid value for \"key\"; it should be an unsigned integer\n"); 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 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"); 1272 if (sportp || dportp) { 1273 switch (sel->proto) { 1274 case IPPROTO_TCP: 1275 case IPPROTO_UDP: 1276 case IPPROTO_SCTP: 1277 case IPPROTO_DCCP: 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: 1288 case IPPROTO_MH: 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 } 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 } 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; 1317 char *upspecp = NULL; 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) 1328 invarg("\"src\" address family is AF_UNSPEC", *argv); 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) 1341 invarg("\"dst\" address family is AF_UNSPEC", *argv); 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 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 { 1357 ifindex = ll_name_to_index(*argv); 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 { 1366 if (upspecp) { 1367 PREV_ARG(); /* back track */ 1368 break; 1369 } else { 1370 upspecp = *argv; 1371 xfrm_selector_upspec_parse(sel, &argc, &argv); 1372 } 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)) 1382 invarg("the same address family is required between \"src\" and \"dst\"", *argv); 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 1456 if (matches(*argv, "state") == 0 || 1457 matches(*argv, "sa") == 0) 1458 return do_xfrm_state(argc-1, argv+1); 1459 else if (matches(*argv, "policy") == 0) 1460 return do_xfrm_policy(argc-1, argv+1); 1461 else if (matches(*argv, "monitor") == 0) 1462 return do_xfrm_monitor(argc-1, argv+1); 1463 else if (matches(*argv, "help") == 0) { 1464 usage(); 1465 fprintf(stderr, "xfrm Object \"%s\" is unknown.\n", *argv); 1466 exit(-1); 1467 } 1468 usage(); 1469} 1470