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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 |
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 | ||
9bec1a43 SH |
36 | //#define NLMSG_DELETEALL_BUF_SIZE (4096-512) |
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 | |
51 | static void usage(void) __attribute__((noreturn)); | |
52 | ||
53 | static 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 | ||
104 | static 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 |
124 | static 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 |
142 | static 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 | 177 | static 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 |
227 | int 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 | ||
c7699875 | 244 | static int xfrm_policy_modify(int cmd, unsigned flags, int argc, char **argv) |
245 | { | |
246 | struct rtnl_handle rth; | |
247 | struct { | |
248 | struct nlmsghdr n; | |
249 | struct xfrm_userpolicy_info xpinfo; | |
250 | char buf[RTA_BUF_SIZE]; | |
251 | } req; | |
252 | char *dirp = NULL; | |
7809c616 | 253 | char *selp = NULL; |
972938e9 | 254 | char *ptypep = NULL; |
e4f054f0 | 255 | char *sctxp = NULL; |
972938e9 | 256 | struct xfrm_userpolicy_type upt; |
c7699875 | 257 | char tmpls_buf[XFRM_TMPLS_BUF_SIZE]; |
258 | int tmpls_len = 0; | |
ee675e87 | 259 | struct xfrm_mark mark = {0, 0}; |
e4f054f0 JL |
260 | struct { |
261 | struct xfrm_user_sec_ctx sctx; | |
262 | char str[CTX_BUF_SIZE]; | |
263 | } ctx; | |
c7699875 | 264 | |
265 | memset(&req, 0, sizeof(req)); | |
972938e9 | 266 | memset(&upt, 0, sizeof(upt)); |
c7699875 | 267 | memset(&tmpls_buf, 0, sizeof(tmpls_buf)); |
e4f054f0 | 268 | memset(&ctx, 0, sizeof(ctx)); |
c7699875 | 269 | |
270 | req.n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xpinfo)); | |
271 | req.n.nlmsg_flags = NLM_F_REQUEST|flags; | |
272 | req.n.nlmsg_type = cmd; | |
273 | req.xpinfo.sel.family = preferred_family; | |
274 | ||
275 | req.xpinfo.lft.soft_byte_limit = XFRM_INF; | |
276 | req.xpinfo.lft.hard_byte_limit = XFRM_INF; | |
277 | req.xpinfo.lft.soft_packet_limit = XFRM_INF; | |
278 | req.xpinfo.lft.hard_packet_limit = XFRM_INF; | |
279 | ||
280 | while (argc > 0) { | |
281 | if (strcmp(*argv, "dir") == 0) { | |
282 | if (dirp) | |
283 | duparg("dir", *argv); | |
284 | dirp = *argv; | |
285 | ||
286 | NEXT_ARG(); | |
287 | xfrm_policy_dir_parse(&req.xpinfo.dir, &argc, &argv); | |
e4f054f0 JL |
288 | } else if (strcmp(*argv, "ctx") == 0) { |
289 | char *context; | |
290 | ||
291 | if (sctxp) | |
292 | duparg("ctx", *argv); | |
293 | sctxp = *argv; | |
294 | NEXT_ARG(); | |
295 | context = *argv; | |
296 | xfrm_sctx_parse((char *)&ctx.str, context, &ctx.sctx); | |
ee675e87 JHS |
297 | } else if (strcmp(*argv, "mark") == 0) { |
298 | xfrm_parse_mark(&mark, &argc, &argv); | |
c7699875 | 299 | } else if (strcmp(*argv, "index") == 0) { |
300 | NEXT_ARG(); | |
301 | if (get_u32(&req.xpinfo.index, *argv, 0)) | |
e8740e42 | 302 | invarg("INDEX value is invalid", *argv); |
972938e9 MN |
303 | } else if (strcmp(*argv, "ptype") == 0) { |
304 | if (ptypep) | |
305 | duparg("ptype", *argv); | |
306 | ptypep = *argv; | |
307 | ||
308 | NEXT_ARG(); | |
309 | xfrm_policy_ptype_parse(&upt.type, &argc, &argv); | |
c7699875 | 310 | } else if (strcmp(*argv, "action") == 0) { |
311 | NEXT_ARG(); | |
312 | if (strcmp(*argv, "allow") == 0) | |
313 | req.xpinfo.action = XFRM_POLICY_ALLOW; | |
314 | else if (strcmp(*argv, "block") == 0) | |
315 | req.xpinfo.action = XFRM_POLICY_BLOCK; | |
316 | else | |
e8740e42 | 317 | invarg("ACTION value is invalid\n", *argv); |
c7699875 | 318 | } else if (strcmp(*argv, "priority") == 0) { |
319 | NEXT_ARG(); | |
320 | if (get_u32(&req.xpinfo.priority, *argv, 0)) | |
e8740e42 | 321 | invarg("PRIORITY value is invalid", *argv); |
c1fa2253 MN |
322 | } else if (strcmp(*argv, "flag") == 0) { |
323 | NEXT_ARG(); | |
324 | xfrm_policy_flag_parse(&req.xpinfo.flags, &argc, | |
325 | &argv); | |
c7699875 | 326 | } else if (strcmp(*argv, "limit") == 0) { |
327 | NEXT_ARG(); | |
328 | xfrm_lifetime_cfg_parse(&req.xpinfo.lft, &argc, &argv); | |
329 | } else if (strcmp(*argv, "tmpl") == 0) { | |
330 | struct xfrm_user_tmpl *tmpl; | |
331 | ||
332 | if (tmpls_len + sizeof(*tmpl) > sizeof(tmpls_buf)) { | |
333 | fprintf(stderr, "Too many tmpls: buffer overflow\n"); | |
334 | exit(1); | |
335 | } | |
336 | tmpl = (struct xfrm_user_tmpl *)((char *)tmpls_buf + tmpls_len); | |
337 | ||
338 | tmpl->family = preferred_family; | |
339 | tmpl->aalgos = (~(__u32)0); | |
340 | tmpl->ealgos = (~(__u32)0); | |
341 | tmpl->calgos = (~(__u32)0); | |
342 | ||
343 | NEXT_ARG(); | |
344 | xfrm_tmpl_parse(tmpl, &argc, &argv); | |
345 | ||
346 | tmpls_len += sizeof(*tmpl); | |
7809c616 | 347 | } else { |
348 | if (selp) | |
349 | duparg("unknown", *argv); | |
350 | selp = *argv; | |
351 | ||
352 | xfrm_selector_parse(&req.xpinfo.sel, &argc, &argv); | |
353 | if (preferred_family == AF_UNSPEC) | |
354 | preferred_family = req.xpinfo.sel.family; | |
355 | } | |
c7699875 | 356 | |
357 | argc--; argv++; | |
358 | } | |
359 | ||
360 | if (!dirp) { | |
e8740e42 | 361 | fprintf(stderr, "Not enough information: DIR is required.\n"); |
c7699875 | 362 | exit(1); |
363 | } | |
364 | ||
972938e9 MN |
365 | if (ptypep) { |
366 | addattr_l(&req.n, sizeof(req), XFRMA_POLICY_TYPE, | |
367 | (void *)&upt, sizeof(upt)); | |
368 | } | |
369 | ||
c7699875 | 370 | if (tmpls_len > 0) { |
371 | addattr_l(&req.n, sizeof(req), XFRMA_TMPL, | |
372 | (void *)tmpls_buf, tmpls_len); | |
373 | } | |
374 | ||
b5574165 | 375 | if (mark.m) { |
ee675e87 JHS |
376 | int r = addattr_l(&req.n, sizeof(req.buf), XFRMA_MARK, |
377 | (void *)&mark, sizeof(mark)); | |
378 | if (r < 0) { | |
379 | fprintf(stderr, "%s: XFRMA_MARK failed\n",__func__); | |
380 | exit(1); | |
381 | } | |
382 | } | |
383 | ||
e4f054f0 JL |
384 | if (sctxp) { |
385 | addattr_l(&req.n, sizeof(req), XFRMA_SEC_CTX, | |
386 | (void *)&ctx, ctx.sctx.len); | |
387 | } | |
ee675e87 | 388 | |
c7699875 | 389 | if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0) |
390 | exit(1); | |
391 | ||
392 | if (req.xpinfo.sel.family == AF_UNSPEC) | |
393 | req.xpinfo.sel.family = AF_INET; | |
394 | ||
c079e121 | 395 | if (rtnl_talk(&rth, &req.n, NULL, 0) < 0) |
c7699875 | 396 | exit(2); |
397 | ||
398 | rtnl_close(&rth); | |
399 | ||
400 | return 0; | |
401 | } | |
402 | ||
972938e9 MN |
403 | static int xfrm_policy_filter_match(struct xfrm_userpolicy_info *xpinfo, |
404 | __u8 ptype) | |
c7699875 | 405 | { |
406 | if (!filter.use) | |
407 | return 1; | |
408 | ||
409 | if ((xpinfo->dir^filter.xpinfo.dir)&filter.dir_mask) | |
410 | return 0; | |
411 | ||
972938e9 MN |
412 | if ((ptype^filter.ptype)&filter.ptype_mask) |
413 | return 0; | |
414 | ||
c7699875 | 415 | if (filter.sel_src_mask) { |
eaa34ee3 | 416 | if (xfrm_addr_match(&xpinfo->sel.saddr, &filter.xpinfo.sel.saddr, |
417 | filter.sel_src_mask)) | |
c7699875 | 418 | return 0; |
419 | } | |
420 | ||
421 | if (filter.sel_dst_mask) { | |
eaa34ee3 | 422 | if (xfrm_addr_match(&xpinfo->sel.daddr, &filter.xpinfo.sel.daddr, |
423 | filter.sel_dst_mask)) | |
c7699875 | 424 | return 0; |
425 | } | |
426 | ||
427 | if ((xpinfo->sel.ifindex^filter.xpinfo.sel.ifindex)&filter.sel_dev_mask) | |
428 | return 0; | |
429 | ||
430 | if ((xpinfo->sel.proto^filter.xpinfo.sel.proto)&filter.upspec_proto_mask) | |
431 | return 0; | |
432 | ||
433 | if (filter.upspec_sport_mask) { | |
434 | if ((xpinfo->sel.sport^filter.xpinfo.sel.sport)&filter.upspec_sport_mask) | |
435 | return 0; | |
436 | } | |
437 | ||
438 | if (filter.upspec_dport_mask) { | |
439 | if ((xpinfo->sel.dport^filter.xpinfo.sel.dport)&filter.upspec_dport_mask) | |
440 | return 0; | |
441 | } | |
442 | ||
443 | if ((xpinfo->index^filter.xpinfo.index)&filter.index_mask) | |
444 | return 0; | |
445 | ||
446 | if ((xpinfo->action^filter.xpinfo.action)&filter.action_mask) | |
447 | return 0; | |
448 | ||
449 | if ((xpinfo->priority^filter.xpinfo.priority)&filter.priority_mask) | |
450 | return 0; | |
451 | ||
c1fa2253 MN |
452 | if (filter.policy_flags_mask) |
453 | if ((xpinfo->flags & filter.xpinfo.flags) == 0) | |
454 | return 0; | |
455 | ||
c7699875 | 456 | return 1; |
457 | } | |
458 | ||
56e8ad38 | 459 | int xfrm_policy_print(const struct sockaddr_nl *who, struct nlmsghdr *n, |
460 | void *arg) | |
c7699875 | 461 | { |
2534613e | 462 | struct rtattr * tb[XFRMA_MAX+1]; |
90f93024 | 463 | struct rtattr * rta; |
c595c790 SH |
464 | struct xfrm_userpolicy_info *xpinfo = NULL; |
465 | struct xfrm_user_polexpire *xpexp = NULL; | |
466 | struct xfrm_userpolicy_id *xpid = NULL; | |
972938e9 | 467 | __u8 ptype = XFRM_POLICY_TYPE_MAIN; |
c595c790 SH |
468 | FILE *fp = (FILE*)arg; |
469 | int len = n->nlmsg_len; | |
c7699875 | 470 | |
471 | if (n->nlmsg_type != XFRM_MSG_NEWPOLICY && | |
90f93024 | 472 | n->nlmsg_type != XFRM_MSG_DELPOLICY && |
669ae748 | 473 | n->nlmsg_type != XFRM_MSG_UPDPOLICY && |
90f93024 | 474 | n->nlmsg_type != XFRM_MSG_POLEXPIRE) { |
c7699875 | 475 | fprintf(stderr, "Not a policy: %08x %08x %08x\n", |
476 | n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags); | |
477 | return 0; | |
478 | } | |
479 | ||
669ae748 SH |
480 | if (n->nlmsg_type == XFRM_MSG_DELPOLICY) { |
481 | xpid = NLMSG_DATA(n); | |
af1b6a41 | 482 | len -= NLMSG_SPACE(sizeof(*xpid)); |
669ae748 | 483 | } else if (n->nlmsg_type == XFRM_MSG_POLEXPIRE) { |
90f93024 SH |
484 | xpexp = NLMSG_DATA(n); |
485 | xpinfo = &xpexp->pol; | |
af1b6a41 | 486 | len -= NLMSG_SPACE(sizeof(*xpexp)); |
90f93024 SH |
487 | } else { |
488 | xpexp = NULL; | |
489 | xpinfo = NLMSG_DATA(n); | |
af1b6a41 | 490 | len -= NLMSG_SPACE(sizeof(*xpinfo)); |
90f93024 SH |
491 | } |
492 | ||
c7699875 | 493 | if (len < 0) { |
494 | fprintf(stderr, "BUG: wrong nlmsg len %d\n", len); | |
495 | return -1; | |
496 | } | |
497 | ||
669ae748 SH |
498 | if (n->nlmsg_type == XFRM_MSG_DELPOLICY) |
499 | rta = XFRMPID_RTA(xpid); | |
500 | else if (n->nlmsg_type == XFRM_MSG_POLEXPIRE) | |
90f93024 SH |
501 | rta = XFRMPEXP_RTA(xpexp); |
502 | else | |
503 | rta = XFRMP_RTA(xpinfo); | |
504 | ||
505 | parse_rtattr(tb, XFRMA_MAX, rta, len); | |
c7699875 | 506 | |
972938e9 MN |
507 | if (tb[XFRMA_POLICY_TYPE]) { |
508 | struct xfrm_userpolicy_type *upt; | |
509 | ||
510 | if (RTA_PAYLOAD(tb[XFRMA_POLICY_TYPE]) < sizeof(*upt)) { | |
511 | fprintf(stderr, "too short XFRMA_POLICY_TYPE len\n"); | |
512 | return -1; | |
513 | } | |
514 | upt = (struct xfrm_userpolicy_type *)RTA_DATA(tb[XFRMA_POLICY_TYPE]); | |
515 | ptype = upt->type; | |
516 | } | |
517 | ||
518 | if (xpinfo && !xfrm_policy_filter_match(xpinfo, ptype)) | |
519 | return 0; | |
520 | ||
521 | if (n->nlmsg_type == XFRM_MSG_DELPOLICY) | |
522 | fprintf(fp, "Deleted "); | |
523 | else if (n->nlmsg_type == XFRM_MSG_UPDPOLICY) | |
524 | fprintf(fp, "Updated "); | |
525 | else if (n->nlmsg_type == XFRM_MSG_POLEXPIRE) | |
526 | fprintf(fp, "Expired "); | |
527 | ||
c595c790 | 528 | if (n->nlmsg_type == XFRM_MSG_DELPOLICY) { |
c595c790 | 529 | //xfrm_policy_id_print(); |
669ae748 SH |
530 | if (!tb[XFRMA_POLICY]) { |
531 | fprintf(stderr, "Buggy XFRM_MSG_DELPOLICY: no XFRMA_POLICY\n"); | |
532 | return -1; | |
c595c790 | 533 | } |
669ae748 SH |
534 | if (RTA_PAYLOAD(tb[XFRMA_POLICY]) < sizeof(*xpinfo)) { |
535 | fprintf(stderr, "Buggy XFRM_MSG_DELPOLICY: too short XFRMA_POLICY len\n"); | |
536 | return -1; | |
537 | } | |
538 | xpinfo = (struct xfrm_userpolicy_info *)RTA_DATA(tb[XFRMA_POLICY]); | |
539 | } | |
c7699875 | 540 | |
56e8ad38 | 541 | xfrm_policy_info_print(xpinfo, tb, fp, NULL, NULL); |
c7699875 | 542 | |
90f93024 SH |
543 | if (n->nlmsg_type == XFRM_MSG_POLEXPIRE) { |
544 | fprintf(fp, "\t"); | |
545 | fprintf(fp, "hard %u", xpexp->hard); | |
546 | fprintf(fp, "%s", _SL_); | |
547 | } | |
548 | ||
7809c616 | 549 | if (oneline) |
550 | fprintf(fp, "\n"); | |
669ae748 | 551 | fflush(fp); |
7809c616 | 552 | |
c7699875 | 553 | return 0; |
554 | } | |
555 | ||
556 | static int xfrm_policy_get_or_delete(int argc, char **argv, int delete, | |
c079e121 | 557 | void *res_nlbuf, size_t res_size) |
c7699875 | 558 | { |
559 | struct rtnl_handle rth; | |
560 | struct { | |
561 | struct nlmsghdr n; | |
562 | struct xfrm_userpolicy_id xpid; | |
972938e9 | 563 | char buf[RTA_BUF_SIZE]; |
c7699875 | 564 | } req; |
565 | char *dirp = NULL; | |
566 | char *selp = NULL; | |
567 | char *indexp = NULL; | |
972938e9 | 568 | char *ptypep = NULL; |
e4f054f0 | 569 | char *sctxp = NULL; |
972938e9 | 570 | struct xfrm_userpolicy_type upt; |
ee675e87 | 571 | struct xfrm_mark mark = {0, 0}; |
e4f054f0 JL |
572 | struct { |
573 | struct xfrm_user_sec_ctx sctx; | |
574 | char str[CTX_BUF_SIZE]; | |
575 | } ctx; | |
576 | ||
c7699875 | 577 | |
578 | memset(&req, 0, sizeof(req)); | |
972938e9 | 579 | memset(&upt, 0, sizeof(upt)); |
e4f054f0 | 580 | memset(&ctx, 0, sizeof(ctx)); |
c7699875 | 581 | |
582 | req.n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xpid)); | |
583 | req.n.nlmsg_flags = NLM_F_REQUEST; | |
584 | req.n.nlmsg_type = delete ? XFRM_MSG_DELPOLICY : XFRM_MSG_GETPOLICY; | |
585 | ||
586 | while (argc > 0) { | |
587 | if (strcmp(*argv, "dir") == 0) { | |
588 | if (dirp) | |
589 | duparg("dir", *argv); | |
590 | dirp = *argv; | |
591 | ||
592 | NEXT_ARG(); | |
593 | xfrm_policy_dir_parse(&req.xpid.dir, &argc, &argv); | |
594 | ||
e4f054f0 JL |
595 | } else if (strcmp(*argv, "ctx") == 0) { |
596 | char *context; | |
597 | ||
598 | if (sctxp) | |
599 | duparg("ctx", *argv); | |
600 | sctxp = *argv; | |
601 | NEXT_ARG(); | |
602 | context = *argv; | |
603 | xfrm_sctx_parse((char *)&ctx.str, context, &ctx.sctx); | |
ee675e87 JHS |
604 | } else if (strcmp(*argv, "mark") == 0) { |
605 | xfrm_parse_mark(&mark, &argc, &argv); | |
c7699875 | 606 | } else if (strcmp(*argv, "index") == 0) { |
607 | if (indexp) | |
608 | duparg("index", *argv); | |
609 | indexp = *argv; | |
610 | ||
611 | NEXT_ARG(); | |
612 | if (get_u32(&req.xpid.index, *argv, 0)) | |
e8740e42 | 613 | invarg("INDEX value is invalid", *argv); |
c7699875 | 614 | |
972938e9 MN |
615 | } else if (strcmp(*argv, "ptype") == 0) { |
616 | if (ptypep) | |
617 | duparg("ptype", *argv); | |
618 | ptypep = *argv; | |
619 | ||
620 | NEXT_ARG(); | |
621 | xfrm_policy_ptype_parse(&upt.type, &argc, &argv); | |
622 | ||
7809c616 | 623 | } else { |
624 | if (selp) | |
625 | invarg("unknown", *argv); | |
626 | selp = *argv; | |
627 | ||
628 | xfrm_selector_parse(&req.xpid.sel, &argc, &argv); | |
629 | if (preferred_family == AF_UNSPEC) | |
630 | preferred_family = req.xpid.sel.family; | |
631 | ||
632 | } | |
c7699875 | 633 | |
634 | argc--; argv++; | |
635 | } | |
636 | ||
637 | if (!dirp) { | |
e8740e42 | 638 | fprintf(stderr, "Not enough information: DIR is required.\n"); |
c7699875 | 639 | exit(1); |
640 | } | |
972938e9 MN |
641 | if (ptypep) { |
642 | addattr_l(&req.n, sizeof(req), XFRMA_POLICY_TYPE, | |
643 | (void *)&upt, sizeof(upt)); | |
644 | } | |
c7699875 | 645 | if (!selp && !indexp) { |
e8740e42 | 646 | fprintf(stderr, "Not enough information: either SELECTOR or INDEX is required.\n"); |
c7699875 | 647 | exit(1); |
648 | } | |
649 | if (selp && indexp) | |
650 | duparg2("SELECTOR", "INDEX"); | |
651 | ||
652 | if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0) | |
653 | exit(1); | |
654 | ||
655 | if (req.xpid.sel.family == AF_UNSPEC) | |
656 | req.xpid.sel.family = AF_INET; | |
657 | ||
ee675e87 JHS |
658 | if (mark.m & mark.v) { |
659 | int r = addattr_l(&req.n, sizeof(req.buf), XFRMA_MARK, | |
660 | (void *)&mark, sizeof(mark)); | |
661 | if (r < 0) { | |
662 | fprintf(stderr, "%s: XFRMA_MARK failed\n",__func__); | |
663 | exit(1); | |
664 | } | |
665 | } | |
666 | ||
e4f054f0 JL |
667 | if (sctxp) { |
668 | addattr_l(&req.n, sizeof(req), XFRMA_SEC_CTX, | |
669 | (void *)&ctx, ctx.sctx.len); | |
670 | } | |
671 | ||
c079e121 | 672 | if (rtnl_talk(&rth, &req.n, res_nlbuf, res_size) < 0) |
c7699875 | 673 | exit(2); |
674 | ||
675 | rtnl_close(&rth); | |
676 | ||
677 | return 0; | |
678 | } | |
679 | ||
680 | static int xfrm_policy_delete(int argc, char **argv) | |
681 | { | |
c079e121 | 682 | return xfrm_policy_get_or_delete(argc, argv, 1, NULL, 0); |
c7699875 | 683 | } |
684 | ||
685 | static int xfrm_policy_get(int argc, char **argv) | |
686 | { | |
687 | char buf[NLMSG_BUF_SIZE]; | |
688 | struct nlmsghdr *n = (struct nlmsghdr *)buf; | |
689 | ||
690 | memset(buf, 0, sizeof(buf)); | |
691 | ||
c079e121 | 692 | xfrm_policy_get_or_delete(argc, argv, 0, n, sizeof(buf)); |
c7699875 | 693 | |
694 | if (xfrm_policy_print(NULL, n, (void*)stdout) < 0) { | |
695 | fprintf(stderr, "An error :-)\n"); | |
696 | exit(1); | |
697 | } | |
698 | ||
699 | return 0; | |
700 | } | |
701 | ||
702 | /* | |
703 | * With an existing policy of nlmsg, make new nlmsg for deleting the policy | |
704 | * and store it to buffer. | |
705 | */ | |
6dc9f016 | 706 | static int xfrm_policy_keep(const struct sockaddr_nl *who, |
50772dc5 | 707 | struct nlmsghdr *n, |
6dc9f016 | 708 | void *arg) |
c7699875 | 709 | { |
710 | struct xfrm_buffer *xb = (struct xfrm_buffer *)arg; | |
711 | struct rtnl_handle *rth = xb->rth; | |
712 | struct xfrm_userpolicy_info *xpinfo = NLMSG_DATA(n); | |
713 | int len = n->nlmsg_len; | |
972938e9 MN |
714 | struct rtattr *tb[XFRMA_MAX+1]; |
715 | __u8 ptype = XFRM_POLICY_TYPE_MAIN; | |
c7699875 | 716 | struct nlmsghdr *new_n; |
717 | struct xfrm_userpolicy_id *xpid; | |
718 | ||
719 | if (n->nlmsg_type != XFRM_MSG_NEWPOLICY) { | |
720 | fprintf(stderr, "Not a policy: %08x %08x %08x\n", | |
721 | n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags); | |
722 | return 0; | |
723 | } | |
724 | ||
725 | len -= NLMSG_LENGTH(sizeof(*xpinfo)); | |
726 | if (len < 0) { | |
727 | fprintf(stderr, "BUG: wrong nlmsg len %d\n", len); | |
728 | return -1; | |
729 | } | |
730 | ||
972938e9 MN |
731 | parse_rtattr(tb, XFRMA_MAX, XFRMP_RTA(xpinfo), len); |
732 | ||
733 | if (tb[XFRMA_POLICY_TYPE]) { | |
734 | struct xfrm_userpolicy_type *upt; | |
735 | ||
736 | if (RTA_PAYLOAD(tb[XFRMA_POLICY_TYPE]) < sizeof(*upt)) { | |
737 | fprintf(stderr, "too short XFRMA_POLICY_TYPE len\n"); | |
738 | return -1; | |
739 | } | |
740 | upt = (struct xfrm_userpolicy_type *)RTA_DATA(tb[XFRMA_POLICY_TYPE]); | |
741 | ptype = upt->type; | |
742 | } | |
743 | ||
744 | if (!xfrm_policy_filter_match(xpinfo, ptype)) | |
c7699875 | 745 | return 0; |
746 | ||
747 | if (xb->offset > xb->size) { | |
9bec1a43 | 748 | fprintf(stderr, "Policy buffer overflow\n"); |
c7699875 | 749 | return -1; |
750 | } | |
751 | ||
752 | new_n = (struct nlmsghdr *)(xb->buf + xb->offset); | |
753 | new_n->nlmsg_len = NLMSG_LENGTH(sizeof(*xpid)); | |
754 | new_n->nlmsg_flags = NLM_F_REQUEST; | |
755 | new_n->nlmsg_type = XFRM_MSG_DELPOLICY; | |
756 | new_n->nlmsg_seq = ++rth->seq; | |
757 | ||
758 | xpid = NLMSG_DATA(new_n); | |
759 | memcpy(&xpid->sel, &xpinfo->sel, sizeof(xpid->sel)); | |
760 | xpid->dir = xpinfo->dir; | |
761 | xpid->index = xpinfo->index; | |
762 | ||
763 | xb->offset += new_n->nlmsg_len; | |
764 | xb->nlmsg_count ++; | |
765 | ||
766 | return 0; | |
767 | } | |
768 | ||
9bec1a43 | 769 | static int xfrm_policy_list_or_deleteall(int argc, char **argv, int deleteall) |
c7699875 | 770 | { |
7809c616 | 771 | char *selp = NULL; |
c7699875 | 772 | struct rtnl_handle rth; |
773 | ||
774 | if (argc > 0) | |
775 | filter.use = 1; | |
776 | filter.xpinfo.sel.family = preferred_family; | |
777 | ||
778 | while (argc > 0) { | |
779 | if (strcmp(*argv, "dir") == 0) { | |
780 | NEXT_ARG(); | |
781 | xfrm_policy_dir_parse(&filter.xpinfo.dir, &argc, &argv); | |
782 | ||
783 | filter.dir_mask = XFRM_FILTER_MASK_FULL; | |
784 | ||
c7699875 | 785 | } else if (strcmp(*argv, "index") == 0) { |
786 | NEXT_ARG(); | |
787 | if (get_u32(&filter.xpinfo.index, *argv, 0)) | |
e8740e42 | 788 | invarg("INDEX value is invalid", *argv); |
c7699875 | 789 | |
790 | filter.index_mask = XFRM_FILTER_MASK_FULL; | |
791 | ||
972938e9 MN |
792 | } else if (strcmp(*argv, "ptype") == 0) { |
793 | NEXT_ARG(); | |
794 | xfrm_policy_ptype_parse(&filter.ptype, &argc, &argv); | |
795 | ||
796 | filter.ptype_mask = XFRM_FILTER_MASK_FULL; | |
797 | ||
c7699875 | 798 | } else if (strcmp(*argv, "action") == 0) { |
799 | NEXT_ARG(); | |
800 | if (strcmp(*argv, "allow") == 0) | |
801 | filter.xpinfo.action = XFRM_POLICY_ALLOW; | |
802 | else if (strcmp(*argv, "block") == 0) | |
803 | filter.xpinfo.action = XFRM_POLICY_BLOCK; | |
804 | else | |
e8740e42 | 805 | invarg("ACTION value is invalid\n", *argv); |
c7699875 | 806 | |
807 | filter.action_mask = XFRM_FILTER_MASK_FULL; | |
808 | ||
809 | } else if (strcmp(*argv, "priority") == 0) { | |
810 | NEXT_ARG(); | |
811 | if (get_u32(&filter.xpinfo.priority, *argv, 0)) | |
e8740e42 | 812 | invarg("PRIORITY value is invalid", *argv); |
c7699875 | 813 | |
814 | filter.priority_mask = XFRM_FILTER_MASK_FULL; | |
815 | ||
c1fa2253 MN |
816 | } else if (strcmp(*argv, "flag") == 0) { |
817 | NEXT_ARG(); | |
818 | xfrm_policy_flag_parse(&filter.xpinfo.flags, &argc, | |
819 | &argv); | |
820 | ||
821 | filter.policy_flags_mask = XFRM_FILTER_MASK_FULL; | |
822 | ||
7809c616 | 823 | } else { |
824 | if (selp) | |
825 | invarg("unknown", *argv); | |
826 | selp = *argv; | |
827 | ||
828 | xfrm_selector_parse(&filter.xpinfo.sel, &argc, &argv); | |
829 | if (preferred_family == AF_UNSPEC) | |
830 | preferred_family = filter.xpinfo.sel.family; | |
831 | ||
832 | } | |
c7699875 | 833 | |
834 | argc--; argv++; | |
835 | } | |
836 | ||
837 | if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0) | |
838 | exit(1); | |
839 | ||
9bec1a43 | 840 | if (deleteall) { |
c7699875 | 841 | struct xfrm_buffer xb; |
9bec1a43 | 842 | char buf[NLMSG_DELETEALL_BUF_SIZE]; |
c7699875 | 843 | int i; |
844 | ||
845 | xb.buf = buf; | |
846 | xb.size = sizeof(buf); | |
847 | xb.rth = &rth; | |
848 | ||
849 | for (i = 0; ; i++) { | |
782cf01d ND |
850 | struct { |
851 | struct nlmsghdr n; | |
852 | char buf[NLMSG_BUF_SIZE]; | |
853 | } req = { | |
854 | .n.nlmsg_len = NLMSG_HDRLEN, | |
855 | .n.nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST, | |
856 | .n.nlmsg_type = XFRM_MSG_GETPOLICY, | |
857 | .n.nlmsg_seq = rth.dump = ++rth.seq, | |
858 | }; | |
859 | ||
c7699875 | 860 | xb.offset = 0; |
861 | xb.nlmsg_count = 0; | |
862 | ||
863 | if (show_stats > 1) | |
9bec1a43 | 864 | fprintf(stderr, "Delete-all round = %d\n", i); |
c7699875 | 865 | |
782cf01d | 866 | if (rtnl_send(&rth, (void *)&req, req.n.nlmsg_len) < 0) { |
c7699875 | 867 | perror("Cannot send dump request"); |
868 | exit(1); | |
869 | } | |
870 | ||
cd70f3f5 | 871 | if (rtnl_dump_filter(&rth, xfrm_policy_keep, &xb) < 0) { |
9bec1a43 | 872 | fprintf(stderr, "Delete-all terminated\n"); |
c7699875 | 873 | exit(1); |
874 | } | |
875 | if (xb.nlmsg_count == 0) { | |
876 | if (show_stats > 1) | |
9bec1a43 | 877 | fprintf(stderr, "Delete-all completed\n"); |
c7699875 | 878 | break; |
879 | } | |
880 | ||
f31a37f7 | 881 | if (rtnl_send_check(&rth, xb.buf, xb.offset) < 0) { |
1fb0a998 | 882 | perror("Failed to send delete-all request"); |
c7699875 | 883 | exit(1); |
884 | } | |
885 | if (show_stats > 1) | |
9bec1a43 | 886 | fprintf(stderr, "Delete-all nlmsg count = %d\n", xb.nlmsg_count); |
c7699875 | 887 | |
888 | xb.offset = 0; | |
889 | xb.nlmsg_count = 0; | |
890 | } | |
891 | } else { | |
782cf01d ND |
892 | struct { |
893 | struct nlmsghdr n; | |
894 | char buf[NLMSG_BUF_SIZE]; | |
895 | } req = { | |
896 | .n.nlmsg_len = NLMSG_HDRLEN, | |
897 | .n.nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST, | |
898 | .n.nlmsg_type = XFRM_MSG_GETPOLICY, | |
899 | .n.nlmsg_seq = rth.dump = ++rth.seq, | |
900 | }; | |
901 | ||
902 | if (rtnl_send(&rth, (void *)&req, req.n.nlmsg_len) < 0) { | |
c7699875 | 903 | perror("Cannot send dump request"); |
904 | exit(1); | |
905 | } | |
906 | ||
cd70f3f5 | 907 | if (rtnl_dump_filter(&rth, xfrm_policy_print, stdout) < 0) { |
c7699875 | 908 | fprintf(stderr, "Dump terminated\n"); |
909 | exit(1); | |
910 | } | |
911 | } | |
912 | ||
913 | rtnl_close(&rth); | |
914 | ||
915 | exit(0); | |
916 | } | |
917 | ||
d1f28cf1 | 918 | static int print_spdinfo( struct nlmsghdr *n, void *arg) |
f90c4f4e | 919 | { |
920 | FILE *fp = (FILE*)arg; | |
921 | __u32 *f = NLMSG_DATA(n); | |
922 | struct rtattr * tb[XFRMA_SPD_MAX+1]; | |
923 | struct rtattr * rta; | |
f90c4f4e | 924 | |
925 | int len = n->nlmsg_len; | |
926 | ||
927 | len -= NLMSG_LENGTH(sizeof(__u32)); | |
928 | if (len < 0) { | |
929 | fprintf(stderr, "SPDinfo: Wrong len %d\n", len); | |
930 | return -1; | |
931 | } | |
932 | ||
933 | rta = XFRMSAPD_RTA(f); | |
934 | parse_rtattr(tb, XFRMA_SPD_MAX, rta, len); | |
935 | ||
936 | fprintf(fp,"\t SPD"); | |
bdf9e86d SH |
937 | if (tb[XFRMA_SPD_INFO]) { |
938 | struct xfrmu_spdinfo *si; | |
939 | ||
940 | if (RTA_PAYLOAD(tb[XFRMA_SPD_INFO]) < sizeof(*si)) { | |
f90c4f4e | 941 | fprintf(stderr, "SPDinfo: Wrong len %d\n", len); |
942 | return -1; | |
943 | } | |
bdf9e86d | 944 | si = RTA_DATA(tb[XFRMA_SPD_INFO]); |
f90c4f4e | 945 | fprintf(fp," IN %d", si->incnt); |
946 | fprintf(fp," OUT %d", si->outcnt); | |
947 | fprintf(fp," FWD %d", si->fwdcnt); | |
948 | ||
949 | if (show_stats) { | |
950 | fprintf(fp," (Sock:"); | |
951 | fprintf(fp," IN %d", si->inscnt); | |
952 | fprintf(fp," OUT %d", si->outscnt); | |
953 | fprintf(fp," FWD %d", si->fwdscnt); | |
954 | fprintf(fp,")"); | |
955 | } | |
956 | ||
025fa9dc | 957 | fprintf(fp, "%s", _SL_); |
f90c4f4e | 958 | } |
959 | if (show_stats > 1) { | |
bdf9e86d SH |
960 | struct xfrmu_spdhinfo *sh; |
961 | ||
962 | if (tb[XFRMA_SPD_HINFO]) { | |
963 | if (RTA_PAYLOAD(tb[XFRMA_SPD_HINFO]) < sizeof(*sh)) { | |
f90c4f4e | 964 | fprintf(stderr, "SPDinfo: Wrong len %d\n", len); |
965 | return -1; | |
966 | } | |
bdf9e86d | 967 | sh = RTA_DATA(tb[XFRMA_SPD_HINFO]); |
f90c4f4e | 968 | fprintf(fp,"\t SPD buckets:"); |
969 | fprintf(fp," count %d", sh->spdhcnt); | |
970 | fprintf(fp," Max %d", sh->spdhmcnt); | |
025fa9dc CG |
971 | fprintf(fp, "%s", _SL_); |
972 | } | |
973 | if (tb[XFRMA_SPD_IPV4_HTHRESH]) { | |
974 | struct xfrmu_spdhthresh *th; | |
975 | if (RTA_PAYLOAD(tb[XFRMA_SPD_IPV4_HTHRESH]) < sizeof(*th)) { | |
976 | fprintf(stderr, "SPDinfo: Wrong len %d\n", len); | |
977 | return -1; | |
978 | } | |
979 | th = RTA_DATA(tb[XFRMA_SPD_IPV4_HTHRESH]); | |
980 | fprintf(fp,"\t SPD IPv4 thresholds:"); | |
981 | fprintf(fp," local %d", th->lbits); | |
982 | fprintf(fp," remote %d", th->rbits); | |
983 | fprintf(fp, "%s", _SL_); | |
984 | ||
985 | } | |
986 | if (tb[XFRMA_SPD_IPV6_HTHRESH]) { | |
987 | struct xfrmu_spdhthresh *th; | |
988 | if (RTA_PAYLOAD(tb[XFRMA_SPD_IPV6_HTHRESH]) < sizeof(*th)) { | |
989 | fprintf(stderr, "SPDinfo: Wrong len %d\n", len); | |
990 | return -1; | |
991 | } | |
992 | th = RTA_DATA(tb[XFRMA_SPD_IPV6_HTHRESH]); | |
993 | fprintf(fp,"\t SPD IPv6 thresholds:"); | |
994 | fprintf(fp," local %d", th->lbits); | |
995 | fprintf(fp," remote %d", th->rbits); | |
996 | fprintf(fp, "%s", _SL_); | |
f90c4f4e | 997 | } |
998 | } | |
025fa9dc CG |
999 | |
1000 | if (oneline) | |
1001 | fprintf(fp, "\n"); | |
f90c4f4e | 1002 | |
1003 | return 0; | |
1004 | } | |
1005 | ||
025fa9dc CG |
1006 | static int xfrm_spd_setinfo(int argc, char **argv) |
1007 | { | |
1008 | struct rtnl_handle rth; | |
1009 | struct { | |
1010 | struct nlmsghdr n; | |
1011 | __u32 flags; | |
1012 | char buf[RTA_BUF_SIZE]; | |
1013 | } req; | |
1014 | ||
1015 | char *thr4 = NULL; | |
1016 | char *thr6 = NULL; | |
1017 | ||
1018 | memset(&req, 0, sizeof(req)); | |
1019 | ||
1020 | req.n.nlmsg_len = NLMSG_LENGTH(sizeof(__u32)); | |
1021 | req.n.nlmsg_flags = NLM_F_REQUEST; | |
1022 | req.n.nlmsg_type = XFRM_MSG_NEWSPDINFO; | |
1023 | req.flags = 0XFFFFFFFF; | |
1024 | ||
1025 | while (argc > 0) { | |
1026 | if (strcmp(*argv, "hthresh4") == 0) { | |
1027 | struct xfrmu_spdhthresh thr; | |
1028 | ||
1029 | if (thr4) | |
1030 | duparg("hthresh4", *argv); | |
1031 | thr4 = *argv; | |
1032 | NEXT_ARG(); | |
1033 | if (get_u8(&thr.lbits, *argv, 0) || thr.lbits > 32) | |
1034 | invarg("hthresh4 LBITS value is invalid", *argv); | |
1035 | NEXT_ARG(); | |
1036 | if (get_u8(&thr.rbits, *argv, 0) || thr.rbits > 32) | |
1037 | invarg("hthresh4 RBITS value is invalid", *argv); | |
1038 | ||
1039 | addattr_l(&req.n, sizeof(req), XFRMA_SPD_IPV4_HTHRESH, | |
1040 | (void *)&thr, sizeof(thr)); | |
1041 | } else if (strcmp(*argv, "hthresh6") == 0) { | |
1042 | struct xfrmu_spdhthresh thr; | |
1043 | ||
1044 | if (thr6) | |
1045 | duparg("hthresh6", *argv); | |
1046 | thr6 = *argv; | |
1047 | NEXT_ARG(); | |
1048 | if (get_u8(&thr.lbits, *argv, 0) || thr.lbits > 128) | |
1049 | invarg("hthresh6 LBITS value is invalid", *argv); | |
1050 | NEXT_ARG(); | |
1051 | if (get_u8(&thr.rbits, *argv, 0) || thr.rbits > 128) | |
1052 | invarg("hthresh6 RBITS value is invalid", *argv); | |
1053 | ||
1054 | addattr_l(&req.n, sizeof(req), XFRMA_SPD_IPV6_HTHRESH, | |
1055 | (void *)&thr, sizeof(thr)); | |
1056 | } else { | |
1057 | invarg("unknown", *argv); | |
1058 | } | |
1059 | ||
1060 | argc--; argv++; | |
1061 | } | |
1062 | ||
1063 | if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0) | |
1064 | exit(1); | |
1065 | ||
c079e121 | 1066 | if (rtnl_talk(&rth, &req.n, NULL, 0) < 0) |
025fa9dc CG |
1067 | exit(2); |
1068 | ||
1069 | rtnl_close(&rth); | |
1070 | ||
1071 | return 0; | |
1072 | } | |
1073 | ||
f90c4f4e | 1074 | static int xfrm_spd_getinfo(int argc, char **argv) |
1075 | { | |
1076 | struct rtnl_handle rth; | |
1077 | struct { | |
1078 | struct nlmsghdr n; | |
1079 | __u32 flags; | |
4806867a | 1080 | char ans[128]; |
f90c4f4e | 1081 | } req; |
1082 | ||
1083 | memset(&req, 0, sizeof(req)); | |
1084 | ||
1085 | req.n.nlmsg_len = NLMSG_LENGTH(sizeof(__u32)); | |
1086 | req.n.nlmsg_flags = NLM_F_REQUEST; | |
1087 | req.n.nlmsg_type = XFRM_MSG_GETSPDINFO; | |
1088 | req.flags = 0XFFFFFFFF; | |
1089 | ||
1090 | if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0) | |
1091 | exit(1); | |
1092 | ||
c079e121 | 1093 | if (rtnl_talk(&rth, &req.n, &req.n, sizeof(req)) < 0) |
f90c4f4e | 1094 | exit(2); |
1095 | ||
1096 | print_spdinfo(&req.n, (void*)stdout); | |
1097 | ||
1098 | rtnl_close(&rth); | |
1099 | ||
1100 | return 0; | |
1101 | } | |
1102 | ||
972938e9 | 1103 | static int xfrm_policy_flush(int argc, char **argv) |
bd641cd6 | 1104 | { |
1105 | struct rtnl_handle rth; | |
1106 | struct { | |
1107 | struct nlmsghdr n; | |
972938e9 | 1108 | char buf[RTA_BUF_SIZE]; |
bd641cd6 | 1109 | } req; |
972938e9 MN |
1110 | char *ptypep = NULL; |
1111 | struct xfrm_userpolicy_type upt; | |
bd641cd6 | 1112 | |
1113 | memset(&req, 0, sizeof(req)); | |
972938e9 | 1114 | memset(&upt, 0, sizeof(upt)); |
bd641cd6 | 1115 | |
1116 | req.n.nlmsg_len = NLMSG_LENGTH(0); /* nlmsg data is nothing */ | |
1117 | req.n.nlmsg_flags = NLM_F_REQUEST; | |
1118 | req.n.nlmsg_type = XFRM_MSG_FLUSHPOLICY; | |
1119 | ||
972938e9 MN |
1120 | while (argc > 0) { |
1121 | if (strcmp(*argv, "ptype") == 0) { | |
1122 | if (ptypep) | |
1123 | duparg("ptype", *argv); | |
1124 | ptypep = *argv; | |
1125 | ||
1126 | NEXT_ARG(); | |
1127 | xfrm_policy_ptype_parse(&upt.type, &argc, &argv); | |
972938e9 MN |
1128 | } else |
1129 | invarg("unknown", *argv); | |
1130 | ||
1131 | argc--; argv++; | |
1132 | } | |
1133 | ||
1134 | if (ptypep) { | |
1135 | addattr_l(&req.n, sizeof(req), XFRMA_POLICY_TYPE, | |
1136 | (void *)&upt, sizeof(upt)); | |
1137 | } | |
1138 | ||
bd641cd6 | 1139 | if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0) |
1140 | exit(1); | |
1141 | ||
1142 | if (show_stats > 1) | |
9bec1a43 | 1143 | fprintf(stderr, "Flush policy\n"); |
bd641cd6 | 1144 | |
c079e121 | 1145 | if (rtnl_talk(&rth, &req.n, NULL, 0) < 0) |
bd641cd6 | 1146 | exit(2); |
1147 | ||
1148 | rtnl_close(&rth); | |
1149 | ||
1150 | return 0; | |
1151 | } | |
1152 | ||
c7699875 | 1153 | int do_xfrm_policy(int argc, char **argv) |
1154 | { | |
1155 | if (argc < 1) | |
9bec1a43 | 1156 | return xfrm_policy_list_or_deleteall(0, NULL, 0); |
c7699875 | 1157 | |
1158 | if (matches(*argv, "add") == 0) | |
1159 | return xfrm_policy_modify(XFRM_MSG_NEWPOLICY, 0, | |
1160 | argc-1, argv+1); | |
1161 | if (matches(*argv, "update") == 0) | |
1162 | return xfrm_policy_modify(XFRM_MSG_UPDPOLICY, 0, | |
1163 | argc-1, argv+1); | |
9bec1a43 | 1164 | if (matches(*argv, "delete") == 0) |
c7699875 | 1165 | return xfrm_policy_delete(argc-1, argv+1); |
9bec1a43 SH |
1166 | if (matches(*argv, "deleteall") == 0 || matches(*argv, "delall") == 0) |
1167 | return xfrm_policy_list_or_deleteall(argc-1, argv+1, 1); | |
c7699875 | 1168 | if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0 |
1169 | || matches(*argv, "lst") == 0) | |
9bec1a43 | 1170 | return xfrm_policy_list_or_deleteall(argc-1, argv+1, 0); |
c7699875 | 1171 | if (matches(*argv, "get") == 0) |
1172 | return xfrm_policy_get(argc-1, argv+1); | |
9bec1a43 | 1173 | if (matches(*argv, "flush") == 0) |
972938e9 | 1174 | return xfrm_policy_flush(argc-1, argv+1); |
f90c4f4e | 1175 | if (matches(*argv, "count") == 0) |
1176 | return xfrm_spd_getinfo(argc, argv); | |
025fa9dc CG |
1177 | if (matches(*argv, "set") == 0) |
1178 | return xfrm_spd_setinfo(argc-1, argv+1); | |
c7699875 | 1179 | if (matches(*argv, "help") == 0) |
1180 | usage(); | |
1181 | fprintf(stderr, "Command \"%s\" is unknown, try \"ip xfrm policy help\".\n", *argv); | |
1182 | exit(-1); | |
1183 | } |