]> git.proxmox.com Git - mirror_iproute2.git/blame - ip/xfrm_policy.c
projects / mirror_iproute2.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
lib/libnetlink: re malloc buff if size is not enough
[mirror_iproute2.git] / ip / xfrm_policy.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
4d98ab00 17 * along with this program; if not, see <http://www.gnu.org/licenses>.
c7699875 18 */
19/*
20 * based on iproute.c
21 */
22/*
23 * Authors:
24 * Masahide NAKAMURA @USAGI
25 */
26
27#include <stdio.h>
28#include <stdlib.h>
29#include <string.h>
30#include <netdb.h>
31#include <linux/netlink.h>
c7699875 32#include "utils.h"
33#include "xfrm.h"
34#include "ip_common.h"
35
56f5daac 36/* #define NLMSG_DELETEALL_BUF_SIZE (4096-512) */
9bec1a43 37#define NLMSG_DELETEALL_BUF_SIZE 8192
c7699875 38
39/*
40 * Receiving buffer defines:
41 * nlmsg
42 * data = struct xfrm_userpolicy_info
43 * rtattr
44 * data = struct xfrm_user_tmpl[]
45 */
46#define NLMSG_BUF_SIZE 4096
47#define RTA_BUF_SIZE 2048
48#define XFRM_TMPLS_BUF_SIZE 1024
e4f054f0 49#define CTX_BUF_SIZE 256
c7699875 50
51static void usage(void) __attribute__((noreturn));
52
53static void usage(void)
54{
cbec0219
DW		 55 fprintf(stderr, "Usage: ip xfrm policy { add | update } SELECTOR dir DIR [ ctx CTX ]\n");
56 fprintf(stderr, " [ mark MARK [ mask MASK ] ] [ index INDEX ] [ ptype PTYPE ]\n");
57 fprintf(stderr, " [ action ACTION ] [ priority PRIORITY ] [ flag FLAG-LIST ]\n");
58 fprintf(stderr, " [ LIMIT-LIST ] [ TMPL-LIST ]\n");
59 fprintf(stderr, "Usage: ip xfrm policy { delete | get } { SELECTOR | index INDEX } dir DIR\n");
60 fprintf(stderr, " [ ctx CTX ] [ mark MARK [ mask MASK ] ] [ ptype PTYPE ]\n");
61 fprintf(stderr, "Usage: ip xfrm policy { deleteall | list } [ SELECTOR ] [ dir DIR ]\n");
62 fprintf(stderr, " [ index INDEX ] [ ptype PTYPE ] [ action ACTION ] [ priority PRIORITY ]\n");
63 fprintf(stderr, " [ flag FLAG-LIST ]\n");
972938e9 64 fprintf(stderr, "Usage: ip xfrm policy flush [ ptype PTYPE ]\n");
025fa9dc
CG		 65 fprintf(stderr, "Usage: ip xfrm policy count\n");
66 fprintf(stderr, "Usage: ip xfrm policy set [ hthresh4 LBITS RBITS ] [ hthresh6 LBITS RBITS ]\n");
cbec0219
DW		 67 fprintf(stderr, "SELECTOR := [ src ADDR[/PLEN] ] [ dst ADDR[/PLEN] ] [ dev DEV ] [ UPSPEC ]\n");
68 fprintf(stderr, "UPSPEC := proto { { ");
69 fprintf(stderr, "%s | ", strxf_proto(IPPROTO_TCP));
70 fprintf(stderr, "%s | ", strxf_proto(IPPROTO_UDP));
71 fprintf(stderr, "%s | ", strxf_proto(IPPROTO_SCTP));
72 fprintf(stderr, "%s", strxf_proto(IPPROTO_DCCP));
73 fprintf(stderr, " } [ sport PORT ] [ dport PORT ] |\n");
74 fprintf(stderr, " { ");
75 fprintf(stderr, "%s | ", strxf_proto(IPPROTO_ICMP));
76 fprintf(stderr, "%s | ", strxf_proto(IPPROTO_ICMPV6));
77 fprintf(stderr, "%s", strxf_proto(IPPROTO_MH));
78 fprintf(stderr, " } [ type NUMBER ] [ code NUMBER ] |\n");
79 fprintf(stderr, " %s", strxf_proto(IPPROTO_GRE));
80 fprintf(stderr, " [ key { DOTTED-QUAD | NUMBER } ] | PROTO }\n");
81 fprintf(stderr, "DIR := in | out | fwd\n");
82 fprintf(stderr, "PTYPE := main | sub\n");
83 fprintf(stderr, "ACTION := allow | block\n");
c1fa2253 84 fprintf(stderr, "FLAG-LIST := [ FLAG-LIST ] FLAG\n");
cbec0219
DW		 85 fprintf(stderr, "FLAG := localok | icmp\n");
86 fprintf(stderr, "LIMIT-LIST := [ LIMIT-LIST ] limit LIMIT\n");
87 fprintf(stderr, "LIMIT := { time-soft | time-hard | time-use-soft | time-use-hard } SECONDS |\n");
88 fprintf(stderr, " { byte-soft | byte-hard } SIZE | { packet-soft | packet-hard } COUNT\n");
89 fprintf(stderr, "TMPL-LIST := [ TMPL-LIST ] tmpl TMPL\n");
c7699875 90 fprintf(stderr, "TMPL := ID [ mode MODE ] [ reqid REQID ] [ level LEVEL ]\n");
cbec0219
DW		 91 fprintf(stderr, "ID := [ src ADDR ] [ dst ADDR ] [ proto XFRM-PROTO ] [ spi SPI ]\n");
92 fprintf(stderr, "XFRM-PROTO := ");
29aa4dd7 93 fprintf(stderr, "%s | ", strxf_xfrmproto(IPPROTO_ESP));
94 fprintf(stderr, "%s | ", strxf_xfrmproto(IPPROTO_AH));
7ea4f5d3
MN		 95 fprintf(stderr, "%s | ", strxf_xfrmproto(IPPROTO_COMP));
96 fprintf(stderr, "%s | ", strxf_xfrmproto(IPPROTO_ROUTING));
cbec0219 97 fprintf(stderr, "%s\n", strxf_xfrmproto(IPPROTO_DSTOPTS));
e8740e42 98 fprintf(stderr, "MODE := transport | tunnel | beet | ro | in_trigger\n");
cbec0219 99 fprintf(stderr, "LEVEL := required | use\n");
c7699875 100
101 exit(-1);
102}
103
104static int xfrm_policy_dir_parse(__u8 *dir, int *argcp, char ***argvp)
105{
106 int argc = *argcp;
107 char **argv = *argvp;
108
109 if (strcmp(*argv, "in") == 0)
110 *dir = XFRM_POLICY_IN;
111 else if (strcmp(*argv, "out") == 0)
112 *dir = XFRM_POLICY_OUT;
113 else if (strcmp(*argv, "fwd") == 0)
114 *dir = XFRM_POLICY_FWD;
115 else
e8740e42 116 invarg("DIR value is invalid", *argv);
c7699875 117
118 *argcp = argc;
119 *argvp = argv;
120
121 return 0;
122}
123
972938e9
MN		 124static int xfrm_policy_ptype_parse(__u8 *ptype, int *argcp, char ***argvp)
125{
126 int argc = *argcp;
127 char **argv = *argvp;
128
129 if (strcmp(*argv, "main") == 0)
130 *ptype = XFRM_POLICY_TYPE_MAIN;
131 else if (strcmp(*argv, "sub") == 0)
132 *ptype = XFRM_POLICY_TYPE_SUB;
133 else
e8740e42 134 invarg("PTYPE value is invalid", *argv);
972938e9
MN		 135
136 *argcp = argc;
137 *argvp = argv;
138
139 return 0;
140}
141
c1fa2253
MN		 142static int xfrm_policy_flag_parse(__u8 *flags, int *argcp, char ***argvp)
143{
144 int argc = *argcp;
145 char **argv = *argvp;
146 int len = strlen(*argv);
147
148 if (len > 2 && strncmp(*argv, "0x", 2) == 0) {
149 __u8 val = 0;
150
151 if (get_u8(&val, *argv, 16))
e8740e42 152 invarg("FLAG value is invalid", *argv);
c1fa2253
MN		 153 *flags = val;
154 } else {
155 while (1) {
156 if (strcmp(*argv, "localok") == 0)
157 *flags |= XFRM_POLICY_LOCALOK;
c0635644
UW		 158 else if (strcmp(*argv, "icmp") == 0)
159 *flags |= XFRM_POLICY_ICMP;
c1fa2253
MN		 160 else {
161 PREV_ARG(); /* back track */
162 break;
163 }
164
165 if (!NEXT_ARG_OK())
166 break;
167 NEXT_ARG();
168 }
169 }
170
171 *argcp = argc;
172 *argvp = argv;
173
174 return 0;
175}
176
c7699875 177static int xfrm_tmpl_parse(struct xfrm_user_tmpl *tmpl,
178 int *argcp, char ***argvp)
179{
180 int argc = *argcp;
181 char **argv = *argvp;
182 char *idp = NULL;
183
184 while (1) {
185 if (strcmp(*argv, "mode") == 0) {
186 NEXT_ARG();
187 xfrm_mode_parse(&tmpl->mode, &argc, &argv);
188 } else if (strcmp(*argv, "reqid") == 0) {
189 NEXT_ARG();
190 xfrm_reqid_parse(&tmpl->reqid, &argc, &argv);
191 } else if (strcmp(*argv, "level") == 0) {
192 NEXT_ARG();
193
194 if (strcmp(*argv, "required") == 0)
195 tmpl->optional = 0;
196 else if (strcmp(*argv, "use") == 0)
197 tmpl->optional = 1;
198 else
e8740e42 199 invarg("LEVEL value is invalid\n", *argv);
c7699875 200
201 } else {
202 if (idp) {
203 PREV_ARG(); /* back track */
204 break;
205 }
206 idp = *argv;
e6e0b60f 207 preferred_family = AF_UNSPEC;
c7699875 208 xfrm_id_parse(&tmpl->saddr, &tmpl->id, &tmpl->family,
7809c616 209 0, &argc, &argv);
e6e0b60f 210 preferred_family = tmpl->family;
c7699875 211 }
212
213 if (!NEXT_ARG_OK())
214 break;
215
216 NEXT_ARG();
217 }
218 if (argc == *argcp)
219 missarg("TMPL");
220
221 *argcp = argc;
222 *argvp = argv;
223
224 return 0;
225}
226
e4f054f0
JL		 227int xfrm_sctx_parse(char *ctxstr, char *s,
228 struct xfrm_user_sec_ctx *sctx)
229{
230 int slen;
231
232 slen = strlen(s) + 1;
233
234 sctx->exttype = XFRMA_SEC_CTX;
235 sctx->ctx_doi = 1;
236 sctx->ctx_alg = 1;
237 sctx->ctx_len = slen;
238 sctx->len = sizeof(struct xfrm_user_sec_ctx) + slen;
239 memcpy(ctxstr, s, slen);
240
241 return 0;
242}
243
56f5daac 244static int xfrm_policy_modify(int cmd, unsigned int flags, int argc, char **argv)
c7699875 245{
246 struct rtnl_handle rth;
247 struct {
248 struct nlmsghdr n;
249 struct xfrm_userpolicy_info xpinfo;
250 char buf[RTA_BUF_SIZE];
d17b136f
PS		 251 } req = {
252 .n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xpinfo)),
253 .n.nlmsg_flags = NLM_F_REQUEST | flags,
254 .n.nlmsg_type = cmd,
255 .xpinfo.sel.family = preferred_family,
256 .xpinfo.lft.soft_byte_limit = XFRM_INF,
257 .xpinfo.lft.hard_byte_limit = XFRM_INF,
258 .xpinfo.lft.soft_packet_limit = XFRM_INF,
259 .xpinfo.lft.hard_packet_limit = XFRM_INF,
260 };
c7699875 261 char *dirp = NULL;
7809c616 262 char *selp = NULL;
972938e9 263 char *ptypep = NULL;
e4f054f0 264 char *sctxp = NULL;
d17b136f
PS		 265 struct xfrm_userpolicy_type upt = {};
266 char tmpls_buf[XFRM_TMPLS_BUF_SIZE] = {};
c7699875 267 int tmpls_len = 0;
ee675e87 268 struct xfrm_mark mark = {0, 0};
e4f054f0
JL		 269 struct {
270 struct xfrm_user_sec_ctx sctx;
271 char str[CTX_BUF_SIZE];
d17b136f 272 } ctx = {};
c7699875 273
274 while (argc > 0) {
275 if (strcmp(*argv, "dir") == 0) {
276 if (dirp)
277 duparg("dir", *argv);
278 dirp = *argv;
279
280 NEXT_ARG();
281 xfrm_policy_dir_parse(&req.xpinfo.dir, &argc, &argv);
e4f054f0
JL		 282 } else if (strcmp(*argv, "ctx") == 0) {
283 char *context;
284
285 if (sctxp)
286 duparg("ctx", *argv);
287 sctxp = *argv;
288 NEXT_ARG();
289 context = *argv;
290 xfrm_sctx_parse((char *)&ctx.str, context, &ctx.sctx);
ee675e87
JHS		 291 } else if (strcmp(*argv, "mark") == 0) {
292 xfrm_parse_mark(&mark, &argc, &argv);
c7699875 293 } else if (strcmp(*argv, "index") == 0) {
294 NEXT_ARG();
295 if (get_u32(&req.xpinfo.index, *argv, 0))
e8740e42 296 invarg("INDEX value is invalid", *argv);
972938e9
MN		 297 } else if (strcmp(*argv, "ptype") == 0) {
298 if (ptypep)
299 duparg("ptype", *argv);
300 ptypep = *argv;
301
302 NEXT_ARG();
303 xfrm_policy_ptype_parse(&upt.type, &argc, &argv);
c7699875 304 } else if (strcmp(*argv, "action") == 0) {
305 NEXT_ARG();
306 if (strcmp(*argv, "allow") == 0)
307 req.xpinfo.action = XFRM_POLICY_ALLOW;
308 else if (strcmp(*argv, "block") == 0)
309 req.xpinfo.action = XFRM_POLICY_BLOCK;
310 else
e8740e42 311 invarg("ACTION value is invalid\n", *argv);
c7699875 312 } else if (strcmp(*argv, "priority") == 0) {
313 NEXT_ARG();
314 if (get_u32(&req.xpinfo.priority, *argv, 0))
e8740e42 315 invarg("PRIORITY value is invalid", *argv);
c1fa2253
MN		 316 } else if (strcmp(*argv, "flag") == 0) {
317 NEXT_ARG();
318 xfrm_policy_flag_parse(&req.xpinfo.flags, &argc,
319 &argv);
c7699875 320 } else if (strcmp(*argv, "limit") == 0) {
321 NEXT_ARG();
322 xfrm_lifetime_cfg_parse(&req.xpinfo.lft, &argc, &argv);
323 } else if (strcmp(*argv, "tmpl") == 0) {
324 struct xfrm_user_tmpl *tmpl;
325
326 if (tmpls_len + sizeof(*tmpl) > sizeof(tmpls_buf)) {
327 fprintf(stderr, "Too many tmpls: buffer overflow\n");
328 exit(1);
329 }
330 tmpl = (struct xfrm_user_tmpl *)((char *)tmpls_buf + tmpls_len);
331
332 tmpl->family = preferred_family;
333 tmpl->aalgos = (~(__u32)0);
334 tmpl->ealgos = (~(__u32)0);
335 tmpl->calgos = (~(__u32)0);
336
337 NEXT_ARG();
338 xfrm_tmpl_parse(tmpl, &argc, &argv);
339
340 tmpls_len += sizeof(*tmpl);
7809c616 341 } else {
342 if (selp)
343 duparg("unknown", *argv);
344 selp = *argv;
345
346 xfrm_selector_parse(&req.xpinfo.sel, &argc, &argv);
347 if (preferred_family == AF_UNSPEC)
348 preferred_family = req.xpinfo.sel.family;
349 }
c7699875 350
351 argc--; argv++;
352 }
353
354 if (!dirp) {
e8740e42 355 fprintf(stderr, "Not enough information: DIR is required.\n");
c7699875 356 exit(1);
357 }
358
972938e9
MN		 359 if (ptypep) {
360 addattr_l(&req.n, sizeof(req), XFRMA_POLICY_TYPE,
361 (void *)&upt, sizeof(upt));
362 }
363
c7699875 364 if (tmpls_len > 0) {
365 addattr_l(&req.n, sizeof(req), XFRMA_TMPL,
366 (void *)tmpls_buf, tmpls_len);
367 }
368
b5574165 369 if (mark.m) {
ee675e87
JHS		 370 int r = addattr_l(&req.n, sizeof(req.buf), XFRMA_MARK,
371 (void *)&mark, sizeof(mark));
372 if (r < 0) {
56f5daac 373 fprintf(stderr, "%s: XFRMA_MARK failed\n", __func__);
ee675e87
JHS		 374 exit(1);
375 }
376 }
377
e4f054f0
JL		 378 if (sctxp) {
379 addattr_l(&req.n, sizeof(req), XFRMA_SEC_CTX,
380 (void *)&ctx, ctx.sctx.len);
381 }
ee675e87 382
c7699875 383 if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
384 exit(1);
385
386 if (req.xpinfo.sel.family == AF_UNSPEC)
387 req.xpinfo.sel.family = AF_INET;
388
c079e121 389 if (rtnl_talk(&rth, &req.n, NULL, 0) < 0)
c7699875 390 exit(2);
391
392 rtnl_close(&rth);
393
394 return 0;
395}
396
972938e9
MN		 397static int xfrm_policy_filter_match(struct xfrm_userpolicy_info *xpinfo,
398 __u8 ptype)
c7699875 399{
400 if (!filter.use)
401 return 1;
402
403 if ((xpinfo->dir^filter.xpinfo.dir)&filter.dir_mask)
404 return 0;
405
972938e9
MN		 406 if ((ptype^filter.ptype)&filter.ptype_mask)
407 return 0;
408
c7699875 409 if (filter.sel_src_mask) {
eaa34ee3 410 if (xfrm_addr_match(&xpinfo->sel.saddr, &filter.xpinfo.sel.saddr,
411 filter.sel_src_mask))
c7699875 412 return 0;
413 }
414
415 if (filter.sel_dst_mask) {
eaa34ee3 416 if (xfrm_addr_match(&xpinfo->sel.daddr, &filter.xpinfo.sel.daddr,
417 filter.sel_dst_mask))
c7699875 418 return 0;
419 }
420
421 if ((xpinfo->sel.ifindex^filter.xpinfo.sel.ifindex)&filter.sel_dev_mask)
422 return 0;
423
424 if ((xpinfo->sel.proto^filter.xpinfo.sel.proto)&filter.upspec_proto_mask)
425 return 0;
426
427 if (filter.upspec_sport_mask) {
428 if ((xpinfo->sel.sport^filter.xpinfo.sel.sport)&filter.upspec_sport_mask)
429 return 0;
430 }
431
432 if (filter.upspec_dport_mask) {
433 if ((xpinfo->sel.dport^filter.xpinfo.sel.dport)&filter.upspec_dport_mask)
434 return 0;
435 }
436
437 if ((xpinfo->index^filter.xpinfo.index)&filter.index_mask)
438 return 0;
439
440 if ((xpinfo->action^filter.xpinfo.action)&filter.action_mask)
441 return 0;
442
443 if ((xpinfo->priority^filter.xpinfo.priority)&filter.priority_mask)
444 return 0;
445
c1fa2253
MN		 446 if (filter.policy_flags_mask)
447 if ((xpinfo->flags & filter.xpinfo.flags) == 0)
448 return 0;
449
c7699875 450 return 1;
451}
452
56e8ad38 453int xfrm_policy_print(const struct sockaddr_nl *who, struct nlmsghdr *n,
454 void *arg)
c7699875 455{
56f5daac
SH		 456 struct rtattr *tb[XFRMA_MAX+1];
457 struct rtattr *rta;
c595c790
SH		 458 struct xfrm_userpolicy_info *xpinfo = NULL;
459 struct xfrm_user_polexpire *xpexp = NULL;
460 struct xfrm_userpolicy_id *xpid = NULL;
972938e9 461 __u8 ptype = XFRM_POLICY_TYPE_MAIN;
56f5daac 462 FILE *fp = (FILE *)arg;
c595c790 463 int len = n->nlmsg_len;
c7699875 464
465 if (n->nlmsg_type != XFRM_MSG_NEWPOLICY &&
90f93024 466 n->nlmsg_type != XFRM_MSG_DELPOLICY &&
669ae748 467 n->nlmsg_type != XFRM_MSG_UPDPOLICY &&
90f93024 468 n->nlmsg_type != XFRM_MSG_POLEXPIRE) {
c7699875 469 fprintf(stderr, "Not a policy: %08x %08x %08x\n",
470 n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
471 return 0;
472 }
473
669ae748
SH		 474 if (n->nlmsg_type == XFRM_MSG_DELPOLICY) {
475 xpid = NLMSG_DATA(n);
af1b6a41 476 len -= NLMSG_SPACE(sizeof(*xpid));
669ae748 477 } else if (n->nlmsg_type == XFRM_MSG_POLEXPIRE) {
90f93024
SH		 478 xpexp = NLMSG_DATA(n);
479 xpinfo = &xpexp->pol;
af1b6a41 480 len -= NLMSG_SPACE(sizeof(*xpexp));
90f93024
SH		 481 } else {
482 xpexp = NULL;
483 xpinfo = NLMSG_DATA(n);
af1b6a41 484 len -= NLMSG_SPACE(sizeof(*xpinfo));
90f93024
SH		 485 }
486
c7699875 487 if (len < 0) {
488 fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
489 return -1;
490 }
491
669ae748
SH		 492 if (n->nlmsg_type == XFRM_MSG_DELPOLICY)
493 rta = XFRMPID_RTA(xpid);
494 else if (n->nlmsg_type == XFRM_MSG_POLEXPIRE)
90f93024
SH		 495 rta = XFRMPEXP_RTA(xpexp);
496 else
497 rta = XFRMP_RTA(xpinfo);
498
499 parse_rtattr(tb, XFRMA_MAX, rta, len);
c7699875 500
972938e9
MN		 501 if (tb[XFRMA_POLICY_TYPE]) {
502 struct xfrm_userpolicy_type *upt;
503
504 if (RTA_PAYLOAD(tb[XFRMA_POLICY_TYPE]) < sizeof(*upt)) {
505 fprintf(stderr, "too short XFRMA_POLICY_TYPE len\n");
506 return -1;
507 }
9f1370c0 508 upt = RTA_DATA(tb[XFRMA_POLICY_TYPE]);
972938e9
MN		 509 ptype = upt->type;
510 }
511
512 if (xpinfo && !xfrm_policy_filter_match(xpinfo, ptype))
513 return 0;
514
515 if (n->nlmsg_type == XFRM_MSG_DELPOLICY)
516 fprintf(fp, "Deleted ");
517 else if (n->nlmsg_type == XFRM_MSG_UPDPOLICY)
518 fprintf(fp, "Updated ");
519 else if (n->nlmsg_type == XFRM_MSG_POLEXPIRE)
520 fprintf(fp, "Expired ");
521
c595c790 522 if (n->nlmsg_type == XFRM_MSG_DELPOLICY) {
56f5daac 523 /* xfrm_policy_id_print(); */
669ae748
SH		 524 if (!tb[XFRMA_POLICY]) {
525 fprintf(stderr, "Buggy XFRM_MSG_DELPOLICY: no XFRMA_POLICY\n");
526 return -1;
c595c790 527 }
669ae748
SH		 528 if (RTA_PAYLOAD(tb[XFRMA_POLICY]) < sizeof(*xpinfo)) {
529 fprintf(stderr, "Buggy XFRM_MSG_DELPOLICY: too short XFRMA_POLICY len\n");
530 return -1;
531 }
9f1370c0 532 xpinfo = RTA_DATA(tb[XFRMA_POLICY]);
669ae748 533 }
c7699875 534
56e8ad38 535 xfrm_policy_info_print(xpinfo, tb, fp, NULL, NULL);
c7699875 536
90f93024
SH		 537 if (n->nlmsg_type == XFRM_MSG_POLEXPIRE) {
538 fprintf(fp, "\t");
539 fprintf(fp, "hard %u", xpexp->hard);
540 fprintf(fp, "%s", _SL_);
541 }
542
7809c616 543 if (oneline)
544 fprintf(fp, "\n");
669ae748 545 fflush(fp);
7809c616 546
c7699875 547 return 0;
548}
549
550static int xfrm_policy_get_or_delete(int argc, char **argv, int delete,
c079e121 551 void *res_nlbuf, size_t res_size)
c7699875 552{
553 struct rtnl_handle rth;
554 struct {
555 struct nlmsghdr n;
556 struct xfrm_userpolicy_id xpid;
972938e9 557 char buf[RTA_BUF_SIZE];
d17b136f
PS		 558 } req = {
559 .n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xpid)),
560 .n.nlmsg_flags = NLM_F_REQUEST,
561 .n.nlmsg_type = delete ? XFRM_MSG_DELPOLICY
562 : XFRM_MSG_GETPOLICY,
563 };
c7699875 564 char *dirp = NULL;
565 char *selp = NULL;
566 char *indexp = NULL;
972938e9 567 char *ptypep = NULL;
e4f054f0 568 char *sctxp = NULL;
d17b136f 569 struct xfrm_userpolicy_type upt = {};
ee675e87 570 struct xfrm_mark mark = {0, 0};
e4f054f0
JL		 571 struct {
572 struct xfrm_user_sec_ctx sctx;
573 char str[CTX_BUF_SIZE];
d17b136f 574 } ctx = {};
c7699875 575
576 while (argc > 0) {
577 if (strcmp(*argv, "dir") == 0) {
578 if (dirp)
579 duparg("dir", *argv);
580 dirp = *argv;
581
582 NEXT_ARG();
583 xfrm_policy_dir_parse(&req.xpid.dir, &argc, &argv);
584
e4f054f0
JL		 585 } else if (strcmp(*argv, "ctx") == 0) {
586 char *context;
587
588 if (sctxp)
589 duparg("ctx", *argv);
590 sctxp = *argv;
591 NEXT_ARG();
592 context = *argv;
593 xfrm_sctx_parse((char *)&ctx.str, context, &ctx.sctx);
ee675e87
JHS		 594 } else if (strcmp(*argv, "mark") == 0) {
595 xfrm_parse_mark(&mark, &argc, &argv);
c7699875 596 } else if (strcmp(*argv, "index") == 0) {
597 if (indexp)
598 duparg("index", *argv);
599 indexp = *argv;
600
601 NEXT_ARG();
602 if (get_u32(&req.xpid.index, *argv, 0))
e8740e42 603 invarg("INDEX value is invalid", *argv);
c7699875 604
972938e9
MN		 605 } else if (strcmp(*argv, "ptype") == 0) {
606 if (ptypep)
607 duparg("ptype", *argv);
608 ptypep = *argv;
609
610 NEXT_ARG();
611 xfrm_policy_ptype_parse(&upt.type, &argc, &argv);
612
7809c616 613 } else {
614 if (selp)
615 invarg("unknown", *argv);
616 selp = *argv;
617
618 xfrm_selector_parse(&req.xpid.sel, &argc, &argv);
619 if (preferred_family == AF_UNSPEC)
620 preferred_family = req.xpid.sel.family;
621
622 }
c7699875 623
624 argc--; argv++;
625 }
626
627 if (!dirp) {
e8740e42 628 fprintf(stderr, "Not enough information: DIR is required.\n");
c7699875 629 exit(1);
630 }
972938e9
MN		 631 if (ptypep) {
632 addattr_l(&req.n, sizeof(req), XFRMA_POLICY_TYPE,
633 (void *)&upt, sizeof(upt));
634 }
c7699875 635 if (!selp && !indexp) {
e8740e42 636 fprintf(stderr, "Not enough information: either SELECTOR or INDEX is required.\n");
c7699875 637 exit(1);
638 }
639 if (selp && indexp)
640 duparg2("SELECTOR", "INDEX");
641
642 if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
643 exit(1);
644
645 if (req.xpid.sel.family == AF_UNSPEC)
646 req.xpid.sel.family = AF_INET;
647
ee675e87
JHS		 648 if (mark.m & mark.v) {
649 int r = addattr_l(&req.n, sizeof(req.buf), XFRMA_MARK,
650 (void *)&mark, sizeof(mark));
651 if (r < 0) {
56f5daac 652 fprintf(stderr, "%s: XFRMA_MARK failed\n", __func__);
ee675e87
JHS		 653 exit(1);
654 }
655 }
656
e4f054f0
JL		 657 if (sctxp) {
658 addattr_l(&req.n, sizeof(req), XFRMA_SEC_CTX,
659 (void *)&ctx, ctx.sctx.len);
660 }
661
c079e121 662 if (rtnl_talk(&rth, &req.n, res_nlbuf, res_size) < 0)
c7699875 663 exit(2);
664
665 rtnl_close(&rth);
666
667 return 0;
668}
669
670static int xfrm_policy_delete(int argc, char **argv)
671{
c079e121 672 return xfrm_policy_get_or_delete(argc, argv, 1, NULL, 0);
c7699875 673}
674
675static int xfrm_policy_get(int argc, char **argv)
676{
d17b136f 677 char buf[NLMSG_BUF_SIZE] = {};
c7699875 678 struct nlmsghdr *n = (struct nlmsghdr *)buf;
679
c079e121 680 xfrm_policy_get_or_delete(argc, argv, 0, n, sizeof(buf));
c7699875 681
56f5daac 682 if (xfrm_policy_print(NULL, n, (void *)stdout) < 0) {
c7699875 683 fprintf(stderr, "An error :-)\n");
684 exit(1);
685 }
686
687 return 0;
688}
689
690/*
691 * With an existing policy of nlmsg, make new nlmsg for deleting the policy
692 * and store it to buffer.
693 */
6dc9f016 694static int xfrm_policy_keep(const struct sockaddr_nl *who,
50772dc5 695 struct nlmsghdr *n,
6dc9f016 696 void *arg)
c7699875 697{
698 struct xfrm_buffer *xb = (struct xfrm_buffer *)arg;
699 struct rtnl_handle *rth = xb->rth;
700 struct xfrm_userpolicy_info *xpinfo = NLMSG_DATA(n);
701 int len = n->nlmsg_len;
972938e9
MN		 702 struct rtattr *tb[XFRMA_MAX+1];
703 __u8 ptype = XFRM_POLICY_TYPE_MAIN;
c7699875 704 struct nlmsghdr *new_n;
705 struct xfrm_userpolicy_id *xpid;
706
707 if (n->nlmsg_type != XFRM_MSG_NEWPOLICY) {
708 fprintf(stderr, "Not a policy: %08x %08x %08x\n",
709 n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
710 return 0;
711 }
712
713 len -= NLMSG_LENGTH(sizeof(*xpinfo));
714 if (len < 0) {
715 fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
716 return -1;
717 }
718
972938e9
MN		 719 parse_rtattr(tb, XFRMA_MAX, XFRMP_RTA(xpinfo), len);
720
721 if (tb[XFRMA_POLICY_TYPE]) {
722 struct xfrm_userpolicy_type *upt;
723
724 if (RTA_PAYLOAD(tb[XFRMA_POLICY_TYPE]) < sizeof(*upt)) {
725 fprintf(stderr, "too short XFRMA_POLICY_TYPE len\n");
726 return -1;
727 }
9f1370c0 728 upt = RTA_DATA(tb[XFRMA_POLICY_TYPE]);
972938e9
MN		 729 ptype = upt->type;
730 }
731
732 if (!xfrm_policy_filter_match(xpinfo, ptype))
c7699875 733 return 0;
734
d5eb0564
AH		 735 if (xb->offset + NLMSG_LENGTH(sizeof(*xpid)) > xb->size)
736 return 0;
c7699875 737
738 new_n = (struct nlmsghdr *)(xb->buf + xb->offset);
739 new_n->nlmsg_len = NLMSG_LENGTH(sizeof(*xpid));
740 new_n->nlmsg_flags = NLM_F_REQUEST;
741 new_n->nlmsg_type = XFRM_MSG_DELPOLICY;
742 new_n->nlmsg_seq = ++rth->seq;
743
744 xpid = NLMSG_DATA(new_n);
745 memcpy(&xpid->sel, &xpinfo->sel, sizeof(xpid->sel));
746 xpid->dir = xpinfo->dir;
747 xpid->index = xpinfo->index;
748
749 xb->offset += new_n->nlmsg_len;
56f5daac 750 xb->nlmsg_count++;
c7699875 751
752 return 0;
753}
754
9bec1a43 755static int xfrm_policy_list_or_deleteall(int argc, char **argv, int deleteall)
c7699875 756{
7809c616 757 char *selp = NULL;
c7699875 758 struct rtnl_handle rth;
759
760 if (argc > 0)
761 filter.use = 1;
762 filter.xpinfo.sel.family = preferred_family;
763
764 while (argc > 0) {
765 if (strcmp(*argv, "dir") == 0) {
766 NEXT_ARG();
767 xfrm_policy_dir_parse(&filter.xpinfo.dir, &argc, &argv);
768
769 filter.dir_mask = XFRM_FILTER_MASK_FULL;
770
c7699875 771 } else if (strcmp(*argv, "index") == 0) {
772 NEXT_ARG();
773 if (get_u32(&filter.xpinfo.index, *argv, 0))
e8740e42 774 invarg("INDEX value is invalid", *argv);
c7699875 775
776 filter.index_mask = XFRM_FILTER_MASK_FULL;
777
972938e9
MN		 778 } else if (strcmp(*argv, "ptype") == 0) {
779 NEXT_ARG();
780 xfrm_policy_ptype_parse(&filter.ptype, &argc, &argv);
781
782 filter.ptype_mask = XFRM_FILTER_MASK_FULL;
783
c7699875 784 } else if (strcmp(*argv, "action") == 0) {
785 NEXT_ARG();
786 if (strcmp(*argv, "allow") == 0)
787 filter.xpinfo.action = XFRM_POLICY_ALLOW;
788 else if (strcmp(*argv, "block") == 0)
789 filter.xpinfo.action = XFRM_POLICY_BLOCK;
790 else
e8740e42 791 invarg("ACTION value is invalid\n", *argv);
c7699875 792
793 filter.action_mask = XFRM_FILTER_MASK_FULL;
794
795 } else if (strcmp(*argv, "priority") == 0) {
796 NEXT_ARG();
797 if (get_u32(&filter.xpinfo.priority, *argv, 0))
e8740e42 798 invarg("PRIORITY value is invalid", *argv);
c7699875 799
800 filter.priority_mask = XFRM_FILTER_MASK_FULL;
801
c1fa2253
MN		 802 } else if (strcmp(*argv, "flag") == 0) {
803 NEXT_ARG();
804 xfrm_policy_flag_parse(&filter.xpinfo.flags, &argc,
805 &argv);
806
807 filter.policy_flags_mask = XFRM_FILTER_MASK_FULL;
808
7809c616 809 } else {
810 if (selp)
811 invarg("unknown", *argv);
812 selp = *argv;
813
814 xfrm_selector_parse(&filter.xpinfo.sel, &argc, &argv);
815 if (preferred_family == AF_UNSPEC)
816 preferred_family = filter.xpinfo.sel.family;
817
818 }
c7699875 819
820 argc--; argv++;
821 }
822
823 if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
824 exit(1);
825
9bec1a43 826 if (deleteall) {
c7699875 827 struct xfrm_buffer xb;
9bec1a43 828 char buf[NLMSG_DELETEALL_BUF_SIZE];
c7699875 829 int i;
830
831 xb.buf = buf;
832 xb.size = sizeof(buf);
833 xb.rth = &rth;
834
835 for (i = 0; ; i++) {
782cf01d
ND		 836 struct {
837 struct nlmsghdr n;
838 char buf[NLMSG_BUF_SIZE];
839 } req = {
840 .n.nlmsg_len = NLMSG_HDRLEN,
841 .n.nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST,
842 .n.nlmsg_type = XFRM_MSG_GETPOLICY,
843 .n.nlmsg_seq = rth.dump = ++rth.seq,
844 };
845
c7699875 846 xb.offset = 0;
847 xb.nlmsg_count = 0;
848
849 if (show_stats > 1)
9bec1a43 850 fprintf(stderr, "Delete-all round = %d\n", i);
c7699875 851
782cf01d 852 if (rtnl_send(&rth, (void *)&req, req.n.nlmsg_len) < 0) {
c7699875 853 perror("Cannot send dump request");
854 exit(1);
855 }
856
cd70f3f5 857 if (rtnl_dump_filter(&rth, xfrm_policy_keep, &xb) < 0) {
9bec1a43 858 fprintf(stderr, "Delete-all terminated\n");
c7699875 859 exit(1);
860 }
861 if (xb.nlmsg_count == 0) {
862 if (show_stats > 1)
9bec1a43 863 fprintf(stderr, "Delete-all completed\n");
c7699875 864 break;
865 }
866
f31a37f7 867 if (rtnl_send_check(&rth, xb.buf, xb.offset) < 0) {
1fb0a998 868 perror("Failed to send delete-all request");
c7699875 869 exit(1);
870 }
871 if (show_stats > 1)
9bec1a43 872 fprintf(stderr, "Delete-all nlmsg count = %d\n", xb.nlmsg_count);
c7699875 873
874 xb.offset = 0;
875 xb.nlmsg_count = 0;
876 }
877 } else {
782cf01d
ND		 878 struct {
879 struct nlmsghdr n;
880 char buf[NLMSG_BUF_SIZE];
881 } req = {
882 .n.nlmsg_len = NLMSG_HDRLEN,
883 .n.nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST,
884 .n.nlmsg_type = XFRM_MSG_GETPOLICY,
885 .n.nlmsg_seq = rth.dump = ++rth.seq,
886 };
887
888 if (rtnl_send(&rth, (void *)&req, req.n.nlmsg_len) < 0) {
c7699875 889 perror("Cannot send dump request");
890 exit(1);
891 }
892
cd70f3f5 893 if (rtnl_dump_filter(&rth, xfrm_policy_print, stdout) < 0) {
c7699875 894 fprintf(stderr, "Dump terminated\n");
895 exit(1);
896 }
897 }
898
899 rtnl_close(&rth);
900
901 exit(0);
902}
903
56f5daac 904static int print_spdinfo(struct nlmsghdr *n, void *arg)
f90c4f4e 905{
56f5daac 906 FILE *fp = (FILE *)arg;
f90c4f4e 907 __u32 *f = NLMSG_DATA(n);
56f5daac
SH		 908 struct rtattr *tb[XFRMA_SPD_MAX+1];
909 struct rtattr *rta;
f90c4f4e 910
911 int len = n->nlmsg_len;
912
913 len -= NLMSG_LENGTH(sizeof(__u32));
914 if (len < 0) {
915 fprintf(stderr, "SPDinfo: Wrong len %d\n", len);
916 return -1;
917 }
918
919 rta = XFRMSAPD_RTA(f);
920 parse_rtattr(tb, XFRMA_SPD_MAX, rta, len);
921
56f5daac 922 fprintf(fp, "\t SPD");
bdf9e86d
SH		 923 if (tb[XFRMA_SPD_INFO]) {
924 struct xfrmu_spdinfo *si;
925
926 if (RTA_PAYLOAD(tb[XFRMA_SPD_INFO]) < sizeof(*si)) {
f90c4f4e 927 fprintf(stderr, "SPDinfo: Wrong len %d\n", len);
928 return -1;
929 }
bdf9e86d 930 si = RTA_DATA(tb[XFRMA_SPD_INFO]);
56f5daac
SH		 931 fprintf(fp, " IN %d", si->incnt);
932 fprintf(fp, " OUT %d", si->outcnt);
933 fprintf(fp, " FWD %d", si->fwdcnt);
f90c4f4e 934
935 if (show_stats) {
56f5daac
SH		 936 fprintf(fp, " (Sock:");
937 fprintf(fp, " IN %d", si->inscnt);
938 fprintf(fp, " OUT %d", si->outscnt);
939 fprintf(fp, " FWD %d", si->fwdscnt);
940 fprintf(fp, ")");
f90c4f4e 941 }
942
025fa9dc 943 fprintf(fp, "%s", _SL_);
f90c4f4e 944 }
945 if (show_stats > 1) {
bdf9e86d
SH		 946 struct xfrmu_spdhinfo *sh;
947
948 if (tb[XFRMA_SPD_HINFO]) {
949 if (RTA_PAYLOAD(tb[XFRMA_SPD_HINFO]) < sizeof(*sh)) {
f90c4f4e 950 fprintf(stderr, "SPDinfo: Wrong len %d\n", len);
951 return -1;
952 }
bdf9e86d 953 sh = RTA_DATA(tb[XFRMA_SPD_HINFO]);
56f5daac
SH		 954 fprintf(fp, "\t SPD buckets:");
955 fprintf(fp, " count %d", sh->spdhcnt);
956 fprintf(fp, " Max %d", sh->spdhmcnt);
025fa9dc
CG		 957 fprintf(fp, "%s", _SL_);
958 }
959 if (tb[XFRMA_SPD_IPV4_HTHRESH]) {
960 struct xfrmu_spdhthresh *th;
56f5daac 961
025fa9dc
CG		 962 if (RTA_PAYLOAD(tb[XFRMA_SPD_IPV4_HTHRESH]) < sizeof(*th)) {
963 fprintf(stderr, "SPDinfo: Wrong len %d\n", len);
964 return -1;
965 }
966 th = RTA_DATA(tb[XFRMA_SPD_IPV4_HTHRESH]);
56f5daac
SH		 967 fprintf(fp, "\t SPD IPv4 thresholds:");
968 fprintf(fp, " local %d", th->lbits);
969 fprintf(fp, " remote %d", th->rbits);
025fa9dc
CG		 970 fprintf(fp, "%s", _SL_);
971
972 }
973 if (tb[XFRMA_SPD_IPV6_HTHRESH]) {
974 struct xfrmu_spdhthresh *th;
56f5daac 975
025fa9dc
CG		 976 if (RTA_PAYLOAD(tb[XFRMA_SPD_IPV6_HTHRESH]) < sizeof(*th)) {
977 fprintf(stderr, "SPDinfo: Wrong len %d\n", len);
978 return -1;
979 }
980 th = RTA_DATA(tb[XFRMA_SPD_IPV6_HTHRESH]);
56f5daac
SH		 981 fprintf(fp, "\t SPD IPv6 thresholds:");
982 fprintf(fp, " local %d", th->lbits);
983 fprintf(fp, " remote %d", th->rbits);
025fa9dc 984 fprintf(fp, "%s", _SL_);
f90c4f4e 985 }
986 }
025fa9dc
CG		 987
988 if (oneline)
989 fprintf(fp, "\n");
f90c4f4e 990
56f5daac 991 return 0;
f90c4f4e 992}
993
025fa9dc
CG		 994static int xfrm_spd_setinfo(int argc, char **argv)
995{
996 struct rtnl_handle rth;
997 struct {
998 struct nlmsghdr n;
999 __u32 flags;
1000 char buf[RTA_BUF_SIZE];
d17b136f
PS		 1001 } req = {
1002 .n.nlmsg_len = NLMSG_LENGTH(sizeof(__u32)),
1003 .n.nlmsg_flags = NLM_F_REQUEST,
1004 .n.nlmsg_type = XFRM_MSG_NEWSPDINFO,
1005 .flags = 0XFFFFFFFF,
1006 };
025fa9dc
CG		 1007
1008 char *thr4 = NULL;
1009 char *thr6 = NULL;
1010
025fa9dc
CG		 1011 while (argc > 0) {
1012 if (strcmp(*argv, "hthresh4") == 0) {
1013 struct xfrmu_spdhthresh thr;
1014
1015 if (thr4)
1016 duparg("hthresh4", *argv);
1017 thr4 = *argv;
1018 NEXT_ARG();
1019 if (get_u8(&thr.lbits, *argv, 0) || thr.lbits > 32)
1020 invarg("hthresh4 LBITS value is invalid", *argv);
1021 NEXT_ARG();
1022 if (get_u8(&thr.rbits, *argv, 0) || thr.rbits > 32)
1023 invarg("hthresh4 RBITS value is invalid", *argv);
1024
1025 addattr_l(&req.n, sizeof(req), XFRMA_SPD_IPV4_HTHRESH,
1026 (void *)&thr, sizeof(thr));
1027 } else if (strcmp(*argv, "hthresh6") == 0) {
1028 struct xfrmu_spdhthresh thr;
1029
1030 if (thr6)
1031 duparg("hthresh6", *argv);
1032 thr6 = *argv;
1033 NEXT_ARG();
1034 if (get_u8(&thr.lbits, *argv, 0) || thr.lbits > 128)
1035 invarg("hthresh6 LBITS value is invalid", *argv);
1036 NEXT_ARG();
1037 if (get_u8(&thr.rbits, *argv, 0) || thr.rbits > 128)
1038 invarg("hthresh6 RBITS value is invalid", *argv);
1039
1040 addattr_l(&req.n, sizeof(req), XFRMA_SPD_IPV6_HTHRESH,
1041 (void *)&thr, sizeof(thr));
1042 } else {
1043 invarg("unknown", *argv);
1044 }
1045
1046 argc--; argv++;
1047 }
1048
1049 if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
1050 exit(1);
1051
c079e121 1052 if (rtnl_talk(&rth, &req.n, NULL, 0) < 0)
025fa9dc
CG		 1053 exit(2);
1054
1055 rtnl_close(&rth);
1056
1057 return 0;
1058}
1059
f90c4f4e 1060static int xfrm_spd_getinfo(int argc, char **argv)
1061{
1062 struct rtnl_handle rth;
1063 struct {
1064 struct nlmsghdr n;
1065 __u32 flags;
4806867a 1066 char ans[128];
d17b136f
PS		 1067 } req = {
1068 .n.nlmsg_len = NLMSG_LENGTH(sizeof(__u32)),
1069 .n.nlmsg_flags = NLM_F_REQUEST,
1070 .n.nlmsg_type = XFRM_MSG_GETSPDINFO,
1071 .flags = 0XFFFFFFFF,
1072 };
f90c4f4e 1073
1074 if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
1075 exit(1);
1076
c079e121 1077 if (rtnl_talk(&rth, &req.n, &req.n, sizeof(req)) < 0)
f90c4f4e 1078 exit(2);
1079
56f5daac 1080 print_spdinfo(&req.n, (void *)stdout);
f90c4f4e 1081
1082 rtnl_close(&rth);
1083
1084 return 0;
1085}
1086
972938e9 1087static int xfrm_policy_flush(int argc, char **argv)
bd641cd6 1088{
1089 struct rtnl_handle rth;
1090 struct {
1091 struct nlmsghdr n;
972938e9 1092 char buf[RTA_BUF_SIZE];
d17b136f
PS		 1093 } req = {
1094 .n.nlmsg_len = NLMSG_LENGTH(0), /* nlmsg data is nothing */
1095 .n.nlmsg_flags = NLM_F_REQUEST,
1096 .n.nlmsg_type = XFRM_MSG_FLUSHPOLICY,
1097 };
972938e9 1098 char *ptypep = NULL;
d17b136f 1099 struct xfrm_userpolicy_type upt = {};
bd641cd6 1100
972938e9
MN		 1101 while (argc > 0) {
1102 if (strcmp(*argv, "ptype") == 0) {
1103 if (ptypep)
1104 duparg("ptype", *argv);
1105 ptypep = *argv;
1106
1107 NEXT_ARG();
1108 xfrm_policy_ptype_parse(&upt.type, &argc, &argv);
972938e9
MN		 1109 } else
1110 invarg("unknown", *argv);
1111
1112 argc--; argv++;
1113 }
1114
1115 if (ptypep) {
1116 addattr_l(&req.n, sizeof(req), XFRMA_POLICY_TYPE,
1117 (void *)&upt, sizeof(upt));
1118 }
1119
bd641cd6 1120 if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
1121 exit(1);
1122
1123 if (show_stats > 1)
9bec1a43 1124 fprintf(stderr, "Flush policy\n");
bd641cd6 1125
c079e121 1126 if (rtnl_talk(&rth, &req.n, NULL, 0) < 0)
bd641cd6 1127 exit(2);
1128
1129 rtnl_close(&rth);
1130
1131 return 0;
1132}
1133
c7699875 1134int do_xfrm_policy(int argc, char **argv)
1135{
1136 if (argc < 1)
9bec1a43 1137 return xfrm_policy_list_or_deleteall(0, NULL, 0);
c7699875 1138
1139 if (matches(*argv, "add") == 0)
1140 return xfrm_policy_modify(XFRM_MSG_NEWPOLICY, 0,
1141 argc-1, argv+1);
1142 if (matches(*argv, "update") == 0)
1143 return xfrm_policy_modify(XFRM_MSG_UPDPOLICY, 0,
1144 argc-1, argv+1);
9bec1a43 1145 if (matches(*argv, "delete") == 0)
c7699875 1146 return xfrm_policy_delete(argc-1, argv+1);
9bec1a43
SH		 1147 if (matches(*argv, "deleteall") == 0 || matches(*argv, "delall") == 0)
1148 return xfrm_policy_list_or_deleteall(argc-1, argv+1, 1);
c7699875 1149 if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0
1150 || matches(*argv, "lst") == 0)
9bec1a43 1151 return xfrm_policy_list_or_deleteall(argc-1, argv+1, 0);
c7699875 1152 if (matches(*argv, "get") == 0)
1153 return xfrm_policy_get(argc-1, argv+1);
9bec1a43 1154 if (matches(*argv, "flush") == 0)
972938e9 1155 return xfrm_policy_flush(argc-1, argv+1);
f90c4f4e 1156 if (matches(*argv, "count") == 0)
1157 return xfrm_spd_getinfo(argc, argv);
025fa9dc
CG		 1158 if (matches(*argv, "set") == 0)
1159 return xfrm_spd_setinfo(argc-1, argv+1);
c7699875 1160 if (matches(*argv, "help") == 0)
1161 usage();
1162 fprintf(stderr, "Command \"%s\" is unknown, try \"ip xfrm policy help\".\n", *argv);
1163 exit(-1);
1164}
Upstream mirror of iproute2