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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> | |
c7699875 | 31 | #include "utils.h" |
32 | #include "xfrm.h" | |
33 | #include "ip_common.h" | |
34 | ||
56f5daac | 35 | /* #define NLMSG_DELETEALL_BUF_SIZE (4096-512) */ |
9bec1a43 | 36 | #define NLMSG_DELETEALL_BUF_SIZE 8192 |
c7699875 | 37 | |
38 | /* | |
39 | * Receiving buffer defines: | |
40 | * nlmsg | |
41 | * data = struct xfrm_usersa_info | |
42 | * rtattr | |
43 | * rtattr | |
2534613e | 44 | * ... (max count of rtattr is XFRM_MAX+1 |
c7699875 | 45 | * |
46 | * each rtattr data = struct xfrm_algo(dynamic size) or xfrm_address_t | |
47 | */ | |
48 | #define NLMSG_BUF_SIZE 4096 | |
49 | #define RTA_BUF_SIZE 2048 | |
50 | #define XFRM_ALGO_KEY_BUF_SIZE 512 | |
0c7a5945 | 51 | #define CTX_BUF_SIZE 256 |
c7699875 | 52 | |
53 | static void usage(void) __attribute__((noreturn)); | |
54 | ||
55 | static void usage(void) | |
56 | { | |
cbec0219 DW |
57 | fprintf(stderr, "Usage: ip xfrm state { add | update } ID [ ALGO-LIST ] [ mode MODE ]\n"); |
58 | fprintf(stderr, " [ mark MARK [ mask MASK ] ] [ reqid REQID ] [ seq SEQ ]\n"); | |
59 | fprintf(stderr, " [ replay-window SIZE ] [ replay-seq SEQ ] [ replay-oseq SEQ ]\n"); | |
0151b56d | 60 | fprintf(stderr, " [ replay-seq-hi SEQ ] [ replay-oseq-hi SEQ ]\n"); |
cbec0219 | 61 | fprintf(stderr, " [ flag FLAG-LIST ] [ sel SELECTOR ] [ LIMIT-LIST ] [ encap ENCAP ]\n"); |
dc8867d0 | 62 | fprintf(stderr, " [ coa ADDR[/PLEN] ] [ ctx CTX ] [ extra-flag EXTRA-FLAG-LIST ]\n"); |
cbec0219 DW |
63 | fprintf(stderr, "Usage: ip xfrm state allocspi ID [ mode MODE ] [ mark MARK [ mask MASK ] ]\n"); |
64 | fprintf(stderr, " [ reqid REQID ] [ seq SEQ ] [ min SPI max SPI ]\n"); | |
65 | fprintf(stderr, "Usage: ip xfrm state { delete | get } ID [ mark MARK [ mask MASK ] ]\n"); | |
9bec1a43 | 66 | fprintf(stderr, "Usage: ip xfrm state { deleteall | list } [ ID ] [ mode MODE ] [ reqid REQID ]\n"); |
c1fa2253 | 67 | fprintf(stderr, " [ flag FLAG-LIST ]\n"); |
cbec0219 DW |
68 | fprintf(stderr, "Usage: ip xfrm state flush [ proto XFRM-PROTO ]\n"); |
69 | fprintf(stderr, "Usage: ip xfrm state count\n"); | |
70 | fprintf(stderr, "ID := [ src ADDR ] [ dst ADDR ] [ proto XFRM-PROTO ] [ spi SPI ]\n"); | |
71 | fprintf(stderr, "XFRM-PROTO := "); | |
29aa4dd7 | 72 | fprintf(stderr, "%s | ", strxf_xfrmproto(IPPROTO_ESP)); |
73 | fprintf(stderr, "%s | ", strxf_xfrmproto(IPPROTO_AH)); | |
7ea4f5d3 MN |
74 | fprintf(stderr, "%s | ", strxf_xfrmproto(IPPROTO_COMP)); |
75 | fprintf(stderr, "%s | ", strxf_xfrmproto(IPPROTO_ROUTING)); | |
cbec0219 DW |
76 | fprintf(stderr, "%s\n", strxf_xfrmproto(IPPROTO_DSTOPTS)); |
77 | fprintf(stderr, "ALGO-LIST := [ ALGO-LIST ] ALGO\n"); | |
78 | fprintf(stderr, "ALGO := { "); | |
7809c616 | 79 | fprintf(stderr, "%s | ", strxf_algotype(XFRMA_ALG_CRYPT)); |
f3b9aa3d | 80 | fprintf(stderr, "%s", strxf_algotype(XFRMA_ALG_AUTH)); |
29665f92 | 81 | fprintf(stderr, " } ALGO-NAME ALGO-KEYMAT |\n"); |
f3b9aa3d | 82 | fprintf(stderr, " %s", strxf_algotype(XFRMA_ALG_AUTH_TRUNC)); |
29665f92 | 83 | fprintf(stderr, " ALGO-NAME ALGO-KEYMAT ALGO-TRUNC-LEN |\n"); |
cbec0219 | 84 | fprintf(stderr, " %s", strxf_algotype(XFRMA_ALG_AEAD)); |
29665f92 | 85 | fprintf(stderr, " ALGO-NAME ALGO-KEYMAT ALGO-ICV-LEN |\n"); |
f3b9aa3d DW |
86 | fprintf(stderr, " %s", strxf_algotype(XFRMA_ALG_COMP)); |
87 | fprintf(stderr, " ALGO-NAME\n"); | |
e8740e42 | 88 | fprintf(stderr, "MODE := transport | tunnel | beet | ro | in_trigger\n"); |
cbec0219 | 89 | fprintf(stderr, "FLAG-LIST := [ FLAG-LIST ] FLAG\n"); |
0151b56d | 90 | fprintf(stderr, "FLAG := noecn | decap-dscp | nopmtudisc | wildrecv | icmp | af-unspec | align4 | esn\n"); |
dc8867d0 ND |
91 | fprintf(stderr, "EXTRA-FLAG-LIST := [ EXTRA-FLAG-LIST ] EXTRA-FLAG\n"); |
92 | fprintf(stderr, "EXTRA-FLAG := dont-encap-dscp\n"); | |
cbec0219 DW |
93 | fprintf(stderr, "SELECTOR := [ src ADDR[/PLEN] ] [ dst ADDR[/PLEN] ] [ dev DEV ] [ UPSPEC ]\n"); |
94 | fprintf(stderr, "UPSPEC := proto { { "); | |
95 | fprintf(stderr, "%s | ", strxf_proto(IPPROTO_TCP)); | |
96 | fprintf(stderr, "%s | ", strxf_proto(IPPROTO_UDP)); | |
97 | fprintf(stderr, "%s | ", strxf_proto(IPPROTO_SCTP)); | |
98 | fprintf(stderr, "%s", strxf_proto(IPPROTO_DCCP)); | |
99 | fprintf(stderr, " } [ sport PORT ] [ dport PORT ] |\n"); | |
100 | fprintf(stderr, " { "); | |
101 | fprintf(stderr, "%s | ", strxf_proto(IPPROTO_ICMP)); | |
102 | fprintf(stderr, "%s | ", strxf_proto(IPPROTO_ICMPV6)); | |
103 | fprintf(stderr, "%s", strxf_proto(IPPROTO_MH)); | |
104 | fprintf(stderr, " } [ type NUMBER ] [ code NUMBER ] |\n"); | |
105 | fprintf(stderr, " %s", strxf_proto(IPPROTO_GRE)); | |
106 | fprintf(stderr, " [ key { DOTTED-QUAD | NUMBER } ] | PROTO }\n"); | |
107 | fprintf(stderr, "LIMIT-LIST := [ LIMIT-LIST ] limit LIMIT\n"); | |
108 | fprintf(stderr, "LIMIT := { time-soft | time-hard | time-use-soft | time-use-hard } SECONDS |\n"); | |
109 | fprintf(stderr, " { byte-soft | byte-hard } SIZE | { packet-soft | packet-hard } COUNT\n"); | |
56f5daac | 110 | fprintf(stderr, "ENCAP := { espinudp | espinudp-nonike } SPORT DPORT OADDR\n"); |
c7699875 | 111 | |
c7699875 | 112 | exit(-1); |
113 | } | |
114 | ||
115 | static int xfrm_algo_parse(struct xfrm_algo *alg, enum xfrm_attr_type_t type, | |
1758a81f | 116 | char *name, char *key, char *buf, int max) |
c7699875 | 117 | { |
118 | int len; | |
7809c616 | 119 | int slen = strlen(key); |
c7699875 | 120 | |
eaa34ee3 | 121 | #if 0 |
c7699875 | 122 | /* XXX: verifying both name and key is required! */ |
29665f92 | 123 | fprintf(stderr, "warning: ALGO-NAME/ALGO-KEYMAT values will be sent to the kernel promiscuously! (verifying them isn't implemented yet)\n"); |
c7699875 | 124 | #endif |
125 | ||
126 | strncpy(alg->alg_name, name, sizeof(alg->alg_name)); | |
127 | ||
7809c616 | 128 | if (slen > 2 && strncmp(key, "0x", 2) == 0) { |
54f7328a | 129 | /* split two chars "0x" from the top */ |
130 | char *p = key + 2; | |
131 | int plen = slen - 2; | |
132 | int i; | |
133 | int j; | |
134 | ||
135 | /* Converting hexadecimal numbered string into real key; | |
136 | * Convert each two chars into one char(value). If number | |
137 | * of the length is odd, add zero on the top for rounding. | |
c7699875 | 138 | */ |
7809c616 | 139 | |
54f7328a | 140 | /* calculate length of the converted values(real key) */ |
141 | len = (plen + 1) / 2; | |
142 | if (len > max) | |
29665f92 | 143 | invarg("ALGO-KEYMAT value makes buffer overflow\n", key); |
c7699875 | 144 | |
56f5daac | 145 | for (i = -(plen % 2), j = 0; j < len; i += 2, j++) { |
54f7328a | 146 | char vbuf[3]; |
737f15f6 | 147 | __u8 val; |
c7699875 | 148 | |
54f7328a | 149 | vbuf[0] = i >= 0 ? p[i] : '0'; |
150 | vbuf[1] = p[i + 1]; | |
151 | vbuf[2] = '\0'; | |
c7699875 | 152 | |
54f7328a | 153 | if (get_u8(&val, vbuf, 16)) |
29665f92 | 154 | invarg("ALGO-KEYMAT value is invalid", key); |
7809c616 | 155 | |
1758a81f | 156 | buf[j] = val; |
c7699875 | 157 | } |
c7699875 | 158 | } else { |
7809c616 | 159 | len = slen; |
c7699875 | 160 | if (len > 0) { |
161 | if (len > max) | |
29665f92 | 162 | invarg("ALGO-KEYMAT value makes buffer overflow\n", key); |
c7699875 | 163 | |
99500b56 | 164 | memcpy(buf, key, len); |
c7699875 | 165 | } |
166 | } | |
167 | ||
168 | alg->alg_key_len = len * 8; | |
169 | ||
170 | return 0; | |
171 | } | |
172 | ||
fb7399b2 | 173 | static int xfrm_seq_parse(__u32 *seq, int *argcp, char ***argvp) |
174 | { | |
175 | int argc = *argcp; | |
176 | char **argv = *argvp; | |
177 | ||
9f7401fa | 178 | if (get_be32(seq, *argv, 0)) |
e8740e42 | 179 | invarg("SEQ value is invalid", *argv); |
fb7399b2 | 180 | |
fb7399b2 | 181 | *argcp = argc; |
182 | *argvp = argv; | |
183 | ||
184 | return 0; | |
185 | } | |
186 | ||
c7699875 | 187 | static int xfrm_state_flag_parse(__u8 *flags, int *argcp, char ***argvp) |
188 | { | |
189 | int argc = *argcp; | |
190 | char **argv = *argvp; | |
9e566a46 | 191 | int len = strlen(*argv); |
192 | ||
193 | if (len > 2 && strncmp(*argv, "0x", 2) == 0) { | |
194 | __u8 val = 0; | |
c7699875 | 195 | |
9e566a46 | 196 | if (get_u8(&val, *argv, 16)) |
e8740e42 | 197 | invarg("FLAG value is invalid", *argv); |
9e566a46 | 198 | *flags = val; |
199 | } else { | |
eaa34ee3 | 200 | while (1) { |
201 | if (strcmp(*argv, "noecn") == 0) | |
202 | *flags |= XFRM_STATE_NOECN; | |
203 | else if (strcmp(*argv, "decap-dscp") == 0) | |
204 | *flags |= XFRM_STATE_DECAP_DSCP; | |
c1fa2253 MN |
205 | else if (strcmp(*argv, "nopmtudisc") == 0) |
206 | *flags |= XFRM_STATE_NOPMTUDISC; | |
7ea4f5d3 MN |
207 | else if (strcmp(*argv, "wildrecv") == 0) |
208 | *flags |= XFRM_STATE_WILDRECV; | |
15bb82c6 AB |
209 | else if (strcmp(*argv, "icmp") == 0) |
210 | *flags |= XFRM_STATE_ICMP; | |
211 | else if (strcmp(*argv, "af-unspec") == 0) | |
212 | *flags |= XFRM_STATE_AF_UNSPEC; | |
98f5519c ND |
213 | else if (strcmp(*argv, "align4") == 0) |
214 | *flags |= XFRM_STATE_ALIGN4; | |
0151b56d | 215 | else if (strcmp(*argv, "esn") == 0) |
216 | *flags |= XFRM_STATE_ESN; | |
eaa34ee3 | 217 | else { |
218 | PREV_ARG(); /* back track */ | |
219 | break; | |
220 | } | |
221 | ||
222 | if (!NEXT_ARG_OK()) | |
223 | break; | |
224 | NEXT_ARG(); | |
225 | } | |
9e566a46 | 226 | } |
c7699875 | 227 | |
c7699875 | 228 | *argcp = argc; |
229 | *argvp = argv; | |
230 | ||
231 | return 0; | |
232 | } | |
233 | ||
dc8867d0 ND |
234 | static int xfrm_state_extra_flag_parse(__u32 *extra_flags, int *argcp, char ***argvp) |
235 | { | |
236 | int argc = *argcp; | |
237 | char **argv = *argvp; | |
238 | int len = strlen(*argv); | |
239 | ||
240 | if (len > 2 && strncmp(*argv, "0x", 2) == 0) { | |
241 | __u32 val = 0; | |
242 | ||
243 | if (get_u32(&val, *argv, 16)) | |
244 | invarg("\"EXTRA-FLAG\" is invalid", *argv); | |
245 | *extra_flags = val; | |
246 | } else { | |
247 | while (1) { | |
248 | if (strcmp(*argv, "dont-encap-dscp") == 0) | |
249 | *extra_flags |= XFRM_SA_XFLAG_DONT_ENCAP_DSCP; | |
250 | else { | |
251 | PREV_ARG(); /* back track */ | |
252 | break; | |
253 | } | |
254 | ||
255 | if (!NEXT_ARG_OK()) | |
256 | break; | |
257 | NEXT_ARG(); | |
258 | } | |
259 | } | |
260 | ||
261 | *argcp = argc; | |
262 | *argvp = argv; | |
263 | ||
264 | return 0; | |
265 | } | |
266 | ||
56f5daac | 267 | static int xfrm_state_modify(int cmd, unsigned int flags, int argc, char **argv) |
c7699875 | 268 | { |
269 | struct rtnl_handle rth; | |
270 | struct { | |
4806867a | 271 | struct nlmsghdr n; |
c7699875 | 272 | struct xfrm_usersa_info xsinfo; |
56f5daac | 273 | char buf[RTA_BUF_SIZE]; |
d17b136f PS |
274 | } req = { |
275 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xsinfo)), | |
276 | .n.nlmsg_flags = NLM_F_REQUEST | flags, | |
277 | .n.nlmsg_type = cmd, | |
278 | .xsinfo.family = preferred_family, | |
279 | .xsinfo.lft.soft_byte_limit = XFRM_INF, | |
280 | .xsinfo.lft.hard_byte_limit = XFRM_INF, | |
281 | .xsinfo.lft.soft_packet_limit = XFRM_INF, | |
282 | .xsinfo.lft.hard_packet_limit = XFRM_INF, | |
283 | }; | |
284 | struct xfrm_replay_state replay = {}; | |
285 | struct xfrm_replay_state_esn replay_esn = {}; | |
0151b56d | 286 | __u32 replay_window = 0; |
287 | __u32 seq = 0, oseq = 0, seq_hi = 0, oseq_hi = 0; | |
c7699875 | 288 | char *idp = NULL; |
1758a81f | 289 | char *aeadop = NULL; |
c7699875 | 290 | char *ealgop = NULL; |
291 | char *aalgop = NULL; | |
292 | char *calgop = NULL; | |
7ea4f5d3 | 293 | char *coap = NULL; |
0c7a5945 | 294 | char *sctxp = NULL; |
dc8867d0 | 295 | __u32 extra_flags = 0; |
c90cda94 | 296 | struct xfrm_mark mark = {0, 0}; |
0c7a5945 JL |
297 | struct { |
298 | struct xfrm_user_sec_ctx sctx; | |
299 | char str[CTX_BUF_SIZE]; | |
d17b136f | 300 | } ctx = {}; |
c7699875 | 301 | |
302 | while (argc > 0) { | |
7809c616 | 303 | if (strcmp(*argv, "mode") == 0) { |
c7699875 | 304 | NEXT_ARG(); |
305 | xfrm_mode_parse(&req.xsinfo.mode, &argc, &argv); | |
c90cda94 JHS |
306 | } else if (strcmp(*argv, "mark") == 0) { |
307 | xfrm_parse_mark(&mark, &argc, &argv); | |
c7699875 | 308 | } else if (strcmp(*argv, "reqid") == 0) { |
309 | NEXT_ARG(); | |
310 | xfrm_reqid_parse(&req.xsinfo.reqid, &argc, &argv); | |
fb7399b2 | 311 | } else if (strcmp(*argv, "seq") == 0) { |
312 | NEXT_ARG(); | |
313 | xfrm_seq_parse(&req.xsinfo.seq, &argc, &argv); | |
eaa34ee3 | 314 | } else if (strcmp(*argv, "replay-window") == 0) { |
315 | NEXT_ARG(); | |
0151b56d | 316 | if (get_u32(&replay_window, *argv, 0)) |
e8740e42 | 317 | invarg("value after \"replay-window\" is invalid", *argv); |
de95ae7c HX |
318 | } else if (strcmp(*argv, "replay-seq") == 0) { |
319 | NEXT_ARG(); | |
0151b56d | 320 | if (get_u32(&seq, *argv, 0)) |
e8740e42 | 321 | invarg("value after \"replay-seq\" is invalid", *argv); |
0151b56d | 322 | } else if (strcmp(*argv, "replay-seq-hi") == 0) { |
323 | NEXT_ARG(); | |
324 | if (get_u32(&seq_hi, *argv, 0)) | |
325 | invarg("value after \"replay-seq-hi\" is invalid", *argv); | |
de95ae7c HX |
326 | } else if (strcmp(*argv, "replay-oseq") == 0) { |
327 | NEXT_ARG(); | |
0151b56d | 328 | if (get_u32(&oseq, *argv, 0)) |
e8740e42 | 329 | invarg("value after \"replay-oseq\" is invalid", *argv); |
0151b56d | 330 | } else if (strcmp(*argv, "replay-oseq-hi") == 0) { |
331 | NEXT_ARG(); | |
332 | if (get_u32(&oseq_hi, *argv, 0)) | |
333 | invarg("value after \"replay-oseq-hi\" is invalid", *argv); | |
c7699875 | 334 | } else if (strcmp(*argv, "flag") == 0) { |
335 | NEXT_ARG(); | |
336 | xfrm_state_flag_parse(&req.xsinfo.flags, &argc, &argv); | |
dc8867d0 ND |
337 | } else if (strcmp(*argv, "extra-flag") == 0) { |
338 | NEXT_ARG(); | |
339 | xfrm_state_extra_flag_parse(&extra_flags, &argc, &argv); | |
c7699875 | 340 | } else if (strcmp(*argv, "sel") == 0) { |
341 | NEXT_ARG(); | |
23d5b0d5 | 342 | preferred_family = AF_UNSPEC; |
c7699875 | 343 | xfrm_selector_parse(&req.xsinfo.sel, &argc, &argv); |
0c5982fd | 344 | preferred_family = req.xsinfo.sel.family; |
c7699875 | 345 | } else if (strcmp(*argv, "limit") == 0) { |
346 | NEXT_ARG(); | |
347 | xfrm_lifetime_cfg_parse(&req.xsinfo.lft, &argc, &argv); | |
5cf576d9 SH |
348 | } else if (strcmp(*argv, "encap") == 0) { |
349 | struct xfrm_encap_tmpl encap; | |
350 | inet_prefix oa; | |
56f5daac | 351 | NEXT_ARG(); |
5cf576d9 SH |
352 | xfrm_encap_type_parse(&encap.encap_type, &argc, &argv); |
353 | NEXT_ARG(); | |
9f7401fa | 354 | if (get_be16(&encap.encap_sport, *argv, 0)) |
e8740e42 | 355 | invarg("SPORT value after \"encap\" is invalid", *argv); |
5cf576d9 | 356 | NEXT_ARG(); |
9f7401fa | 357 | if (get_be16(&encap.encap_dport, *argv, 0)) |
e8740e42 | 358 | invarg("DPORT value after \"encap\" is invalid", *argv); |
5cf576d9 SH |
359 | NEXT_ARG(); |
360 | get_addr(&oa, *argv, AF_UNSPEC); | |
361 | memcpy(&encap.encap_oa, &oa.data, sizeof(encap.encap_oa)); | |
362 | addattr_l(&req.n, sizeof(req.buf), XFRMA_ENCAP, | |
363 | (void *)&encap, sizeof(encap)); | |
7ea4f5d3 MN |
364 | } else if (strcmp(*argv, "coa") == 0) { |
365 | inet_prefix coa; | |
d17b136f | 366 | xfrm_address_t xcoa = {}; |
7ea4f5d3 MN |
367 | |
368 | if (coap) | |
369 | duparg("coa", *argv); | |
370 | coap = *argv; | |
371 | ||
372 | NEXT_ARG(); | |
373 | ||
374 | get_prefix(&coa, *argv, preferred_family); | |
375 | if (coa.family == AF_UNSPEC) | |
e8740e42 | 376 | invarg("value after \"coa\" has an unrecognized address family", *argv); |
7ea4f5d3 | 377 | if (coa.bytelen > sizeof(xcoa)) |
e8740e42 | 378 | invarg("value after \"coa\" is too large", *argv); |
7ea4f5d3 | 379 | |
7ea4f5d3 MN |
380 | memcpy(&xcoa, &coa.data, coa.bytelen); |
381 | ||
382 | addattr_l(&req.n, sizeof(req.buf), XFRMA_COADDR, | |
383 | (void *)&xcoa, sizeof(xcoa)); | |
0c7a5945 JL |
384 | } else if (strcmp(*argv, "ctx") == 0) { |
385 | char *context; | |
386 | ||
387 | if (sctxp) | |
388 | duparg("ctx", *argv); | |
389 | sctxp = *argv; | |
390 | ||
391 | NEXT_ARG(); | |
392 | context = *argv; | |
393 | ||
394 | xfrm_sctx_parse((char *)&ctx.str, context, &ctx.sctx); | |
395 | addattr_l(&req.n, sizeof(req.buf), XFRMA_SEC_CTX, | |
396 | (void *)&ctx, ctx.sctx.len); | |
c7699875 | 397 | } else { |
7809c616 | 398 | /* try to assume ALGO */ |
399 | int type = xfrm_algotype_getbyname(*argv); | |
56f5daac | 400 | |
7809c616 | 401 | switch (type) { |
1758a81f | 402 | case XFRMA_ALG_AEAD: |
7809c616 | 403 | case XFRMA_ALG_CRYPT: |
404 | case XFRMA_ALG_AUTH: | |
f323f2a3 | 405 | case XFRMA_ALG_AUTH_TRUNC: |
7809c616 | 406 | case XFRMA_ALG_COMP: |
407 | { | |
408 | /* ALGO */ | |
409 | struct { | |
1758a81f HX |
410 | union { |
411 | struct xfrm_algo alg; | |
412 | struct xfrm_algo_aead aead; | |
f323f2a3 | 413 | struct xfrm_algo_auth auth; |
1758a81f | 414 | } u; |
7809c616 | 415 | char buf[XFRM_ALGO_KEY_BUF_SIZE]; |
1758a81f | 416 | } alg = {}; |
7809c616 | 417 | int len; |
f323f2a3 | 418 | __u32 icvlen, trunclen; |
7809c616 | 419 | char *name; |
f3b9aa3d | 420 | char *key = ""; |
1758a81f | 421 | char *buf; |
7809c616 | 422 | |
423 | switch (type) { | |
1758a81f | 424 | case XFRMA_ALG_AEAD: |
ec839527 | 425 | if (ealgop || aalgop || aeadop) |
cbec0219 | 426 | duparg("ALGO-TYPE", *argv); |
1758a81f HX |
427 | aeadop = *argv; |
428 | break; | |
7809c616 | 429 | case XFRMA_ALG_CRYPT: |
ec839527 | 430 | if (ealgop || aeadop) |
cbec0219 | 431 | duparg("ALGO-TYPE", *argv); |
7809c616 | 432 | ealgop = *argv; |
433 | break; | |
434 | case XFRMA_ALG_AUTH: | |
f323f2a3 | 435 | case XFRMA_ALG_AUTH_TRUNC: |
ec839527 | 436 | if (aalgop || aeadop) |
cbec0219 | 437 | duparg("ALGO-TYPE", *argv); |
7809c616 | 438 | aalgop = *argv; |
439 | break; | |
440 | case XFRMA_ALG_COMP: | |
441 | if (calgop) | |
cbec0219 | 442 | duparg("ALGO-TYPE", *argv); |
7809c616 | 443 | calgop = *argv; |
444 | break; | |
445 | default: | |
446 | /* not reached */ | |
e8740e42 | 447 | invarg("ALGO-TYPE value is invalid\n", *argv); |
7809c616 | 448 | } |
449 | ||
450 | if (!NEXT_ARG_OK()) | |
cbec0219 | 451 | missarg("ALGO-NAME"); |
7809c616 | 452 | NEXT_ARG(); |
453 | name = *argv; | |
454 | ||
f3b9aa3d DW |
455 | switch (type) { |
456 | case XFRMA_ALG_AEAD: | |
457 | case XFRMA_ALG_CRYPT: | |
458 | case XFRMA_ALG_AUTH: | |
459 | case XFRMA_ALG_AUTH_TRUNC: | |
460 | if (!NEXT_ARG_OK()) | |
29665f92 | 461 | missarg("ALGO-KEYMAT"); |
f3b9aa3d DW |
462 | NEXT_ARG(); |
463 | key = *argv; | |
464 | break; | |
465 | } | |
7809c616 | 466 | |
1758a81f HX |
467 | buf = alg.u.alg.alg_key; |
468 | len = sizeof(alg.u.alg); | |
469 | ||
f323f2a3 ND |
470 | switch (type) { |
471 | case XFRMA_ALG_AEAD: | |
472 | if (!NEXT_ARG_OK()) | |
cbec0219 | 473 | missarg("ALGO-ICV-LEN"); |
f323f2a3 ND |
474 | NEXT_ARG(); |
475 | if (get_u32(&icvlen, *argv, 0)) | |
e8740e42 | 476 | invarg("ALGO-ICV-LEN value is invalid", |
f323f2a3 ND |
477 | *argv); |
478 | alg.u.aead.alg_icv_len = icvlen; | |
479 | ||
480 | buf = alg.u.aead.alg_key; | |
481 | len = sizeof(alg.u.aead); | |
482 | break; | |
483 | case XFRMA_ALG_AUTH_TRUNC: | |
484 | if (!NEXT_ARG_OK()) | |
cbec0219 | 485 | missarg("ALGO-TRUNC-LEN"); |
f323f2a3 ND |
486 | NEXT_ARG(); |
487 | if (get_u32(&trunclen, *argv, 0)) | |
e8740e42 | 488 | invarg("ALGO-TRUNC-LEN value is invalid", |
f323f2a3 ND |
489 | *argv); |
490 | alg.u.auth.alg_trunc_len = trunclen; | |
491 | ||
492 | buf = alg.u.auth.alg_key; | |
493 | len = sizeof(alg.u.auth); | |
494 | break; | |
495 | } | |
7809c616 | 496 | |
497 | xfrm_algo_parse((void *)&alg, type, name, key, | |
1758a81f HX |
498 | buf, sizeof(alg.buf)); |
499 | len += alg.u.alg.alg_key_len; | |
7809c616 | 500 | |
501 | addattr_l(&req.n, sizeof(req.buf), type, | |
502 | (void *)&alg, len); | |
503 | break; | |
504 | } | |
505 | default: | |
506 | /* try to assume ID */ | |
507 | if (idp) | |
508 | invarg("unknown", *argv); | |
509 | idp = *argv; | |
510 | ||
511 | /* ID */ | |
512 | xfrm_id_parse(&req.xsinfo.saddr, &req.xsinfo.id, | |
513 | &req.xsinfo.family, 0, &argc, &argv); | |
514 | if (preferred_family == AF_UNSPEC) | |
515 | preferred_family = req.xsinfo.family; | |
516 | } | |
c7699875 | 517 | } |
518 | argc--; argv++; | |
519 | } | |
520 | ||
0151b56d | 521 | if (req.xsinfo.flags & XFRM_STATE_ESN && |
522 | replay_window == 0) { | |
523 | fprintf(stderr, "Error: esn flag set without replay-window.\n"); | |
524 | exit(-1); | |
525 | } | |
526 | ||
527 | if (replay_window > XFRMA_REPLAY_ESN_MAX) { | |
528 | fprintf(stderr, | |
529 | "Error: replay-window (%u) > XFRMA_REPLAY_ESN_MAX (%u).\n", | |
530 | replay_window, XFRMA_REPLAY_ESN_MAX); | |
531 | exit(-1); | |
532 | } | |
533 | ||
534 | if (req.xsinfo.flags & XFRM_STATE_ESN || | |
535 | replay_window > (sizeof(replay.bitmap) * 8)) { | |
536 | replay_esn.seq = seq; | |
537 | replay_esn.oseq = oseq; | |
538 | replay_esn.seq_hi = seq_hi; | |
539 | replay_esn.oseq_hi = oseq_hi; | |
540 | replay_esn.replay_window = replay_window; | |
541 | replay_esn.bmp_len = (replay_window + sizeof(__u32) * 8 - 1) / | |
542 | (sizeof(__u32) * 8); | |
543 | addattr_l(&req.n, sizeof(req.buf), XFRMA_REPLAY_ESN_VAL, | |
544 | &replay_esn, sizeof(replay_esn)); | |
545 | } else { | |
546 | if (seq || oseq) { | |
547 | replay.seq = seq; | |
548 | replay.oseq = oseq; | |
549 | addattr_l(&req.n, sizeof(req.buf), XFRMA_REPLAY_VAL, | |
550 | &replay, sizeof(replay)); | |
551 | } | |
552 | req.xsinfo.replay_window = replay_window; | |
553 | } | |
de95ae7c | 554 | |
dc8867d0 ND |
555 | if (extra_flags) |
556 | addattr32(&req.n, sizeof(req.buf), XFRMA_SA_EXTRA_FLAGS, | |
557 | extra_flags); | |
558 | ||
c7699875 | 559 | if (!idp) { |
e8740e42 | 560 | fprintf(stderr, "Not enough information: ID is required\n"); |
c7699875 | 561 | exit(1); |
562 | } | |
563 | ||
b5574165 | 564 | if (mark.m) { |
c90cda94 JHS |
565 | int r = addattr_l(&req.n, sizeof(req.buf), XFRMA_MARK, |
566 | (void *)&mark, sizeof(mark)); | |
567 | if (r < 0) { | |
568 | fprintf(stderr, "XFRMA_MARK failed\n"); | |
569 | exit(1); | |
570 | } | |
571 | } | |
572 | ||
6128fdfd DW |
573 | if (xfrm_xfrmproto_is_ipsec(req.xsinfo.id.proto)) { |
574 | switch (req.xsinfo.mode) { | |
575 | case XFRM_MODE_TRANSPORT: | |
576 | case XFRM_MODE_TUNNEL: | |
577 | break; | |
578 | case XFRM_MODE_BEET: | |
579 | if (req.xsinfo.id.proto == IPPROTO_ESP) | |
580 | break; | |
581 | default: | |
582 | fprintf(stderr, "MODE value is invalid with XFRM-PROTO value \"%s\"\n", | |
7ea4f5d3 MN |
583 | strxf_xfrmproto(req.xsinfo.id.proto)); |
584 | exit(1); | |
585 | } | |
6128fdfd DW |
586 | |
587 | switch (req.xsinfo.id.proto) { | |
588 | case IPPROTO_ESP: | |
589 | if (calgop) { | |
590 | fprintf(stderr, "ALGO-TYPE value \"%s\" is invalid with XFRM-PROTO value \"%s\"\n", | |
591 | strxf_algotype(XFRMA_ALG_COMP), | |
592 | strxf_xfrmproto(req.xsinfo.id.proto)); | |
593 | exit(1); | |
594 | } | |
595 | if (!ealgop && !aeadop) { | |
596 | fprintf(stderr, "ALGO-TYPE value \"%s\" or \"%s\" is required with XFRM-PROTO value \"%s\"\n", | |
597 | strxf_algotype(XFRMA_ALG_CRYPT), | |
598 | strxf_algotype(XFRMA_ALG_AEAD), | |
599 | strxf_xfrmproto(req.xsinfo.id.proto)); | |
600 | exit(1); | |
601 | } | |
602 | break; | |
603 | case IPPROTO_AH: | |
604 | if (ealgop || aeadop || calgop) { | |
605 | fprintf(stderr, "ALGO-TYPE values \"%s\", \"%s\", and \"%s\" are invalid with XFRM-PROTO value \"%s\"\n", | |
606 | strxf_algotype(XFRMA_ALG_CRYPT), | |
607 | strxf_algotype(XFRMA_ALG_AEAD), | |
608 | strxf_algotype(XFRMA_ALG_COMP), | |
609 | strxf_xfrmproto(req.xsinfo.id.proto)); | |
610 | exit(1); | |
611 | } | |
612 | if (!aalgop) { | |
613 | fprintf(stderr, "ALGO-TYPE value \"%s\" or \"%s\" is required with XFRM-PROTO value \"%s\"\n", | |
614 | strxf_algotype(XFRMA_ALG_AUTH), | |
615 | strxf_algotype(XFRMA_ALG_AUTH_TRUNC), | |
616 | strxf_xfrmproto(req.xsinfo.id.proto)); | |
617 | exit(1); | |
618 | } | |
619 | break; | |
620 | case IPPROTO_COMP: | |
621 | if (ealgop || aalgop || aeadop) { | |
622 | fprintf(stderr, "ALGO-TYPE values \"%s\", \"%s\", \"%s\", and \"%s\" are invalid with XFRM-PROTO value \"%s\"\n", | |
623 | strxf_algotype(XFRMA_ALG_CRYPT), | |
624 | strxf_algotype(XFRMA_ALG_AUTH), | |
625 | strxf_algotype(XFRMA_ALG_AUTH_TRUNC), | |
626 | strxf_algotype(XFRMA_ALG_AEAD), | |
627 | strxf_xfrmproto(req.xsinfo.id.proto)); | |
628 | exit(1); | |
629 | } | |
630 | if (!calgop) { | |
631 | fprintf(stderr, "ALGO-TYPE value \"%s\" is required with XFRM-PROTO value \"%s\"\n", | |
632 | strxf_algotype(XFRMA_ALG_COMP), | |
633 | strxf_xfrmproto(req.xsinfo.id.proto)); | |
634 | exit(1); | |
635 | } | |
636 | break; | |
637 | } | |
638 | } else { | |
639 | if (ealgop || aalgop || aeadop || calgop) { | |
640 | fprintf(stderr, "ALGO is invalid with XFRM-PROTO value \"%s\"\n", | |
7ea4f5d3 MN |
641 | strxf_xfrmproto(req.xsinfo.id.proto)); |
642 | exit(1); | |
643 | } | |
7ea4f5d3 MN |
644 | } |
645 | ||
6128fdfd DW |
646 | if (xfrm_xfrmproto_is_ro(req.xsinfo.id.proto)) { |
647 | switch (req.xsinfo.mode) { | |
648 | case XFRM_MODE_ROUTEOPTIMIZATION: | |
649 | case XFRM_MODE_IN_TRIGGER: | |
650 | break; | |
651 | case 0: | |
652 | fprintf(stderr, "\"mode\" is required with XFRM-PROTO value \"%s\"\n", | |
7ea4f5d3 MN |
653 | strxf_xfrmproto(req.xsinfo.id.proto)); |
654 | exit(1); | |
6128fdfd DW |
655 | default: |
656 | fprintf(stderr, "MODE value is invalid with XFRM-PROTO value \"%s\"\n", | |
7ea4f5d3 | 657 | strxf_xfrmproto(req.xsinfo.id.proto)); |
6128fdfd | 658 | exit(1); |
7ea4f5d3 | 659 | } |
7ea4f5d3 | 660 | |
6128fdfd DW |
661 | if (!coap) { |
662 | fprintf(stderr, "\"coa\" is required with XFRM-PROTO value \"%s\"\n", | |
7ea4f5d3 | 663 | strxf_xfrmproto(req.xsinfo.id.proto)); |
c7699875 | 664 | exit(1); |
665 | } | |
666 | } else { | |
6128fdfd DW |
667 | if (coap) { |
668 | fprintf(stderr, "\"coa\" is invalid with XFRM-PROTO value \"%s\"\n", | |
7ea4f5d3 | 669 | strxf_xfrmproto(req.xsinfo.id.proto)); |
6128fdfd | 670 | exit(1); |
c7699875 | 671 | } |
672 | } | |
673 | ||
674 | if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0) | |
675 | exit(1); | |
676 | ||
677 | if (req.xsinfo.family == AF_UNSPEC) | |
678 | req.xsinfo.family = AF_INET; | |
679 | ||
c079e121 | 680 | if (rtnl_talk(&rth, &req.n, NULL, 0) < 0) |
c7699875 | 681 | exit(2); |
682 | ||
683 | rtnl_close(&rth); | |
684 | ||
685 | return 0; | |
686 | } | |
687 | ||
fb7399b2 | 688 | static int xfrm_state_allocspi(int argc, char **argv) |
689 | { | |
690 | struct rtnl_handle rth; | |
691 | struct { | |
4806867a | 692 | struct nlmsghdr n; |
fb7399b2 | 693 | struct xfrm_userspi_info xspi; |
56f5daac | 694 | char buf[RTA_BUF_SIZE]; |
d17b136f PS |
695 | } req = { |
696 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xspi)), | |
697 | .n.nlmsg_flags = NLM_F_REQUEST, | |
698 | .n.nlmsg_type = XFRM_MSG_ALLOCSPI, | |
699 | .xspi.info.family = preferred_family, | |
700 | #if 0 | |
701 | .xspi.lft.soft_byte_limit = XFRM_INF, | |
702 | .xspi.lft.hard_byte_limit = XFRM_INF, | |
703 | .xspi.lft.soft_packet_limit = XFRM_INF, | |
704 | .xspi.lft.hard_packet_limit = XFRM_INF, | |
705 | #endif | |
706 | }; | |
fb7399b2 | 707 | char *idp = NULL; |
708 | char *minp = NULL; | |
709 | char *maxp = NULL; | |
c90cda94 | 710 | struct xfrm_mark mark = {0, 0}; |
d17b136f | 711 | char res_buf[NLMSG_BUF_SIZE] = {}; |
fb7399b2 | 712 | struct nlmsghdr *res_n = (struct nlmsghdr *)res_buf; |
713 | ||
fb7399b2 | 714 | while (argc > 0) { |
715 | if (strcmp(*argv, "mode") == 0) { | |
716 | NEXT_ARG(); | |
717 | xfrm_mode_parse(&req.xspi.info.mode, &argc, &argv); | |
c90cda94 JHS |
718 | } else if (strcmp(*argv, "mark") == 0) { |
719 | xfrm_parse_mark(&mark, &argc, &argv); | |
fb7399b2 | 720 | } else if (strcmp(*argv, "reqid") == 0) { |
721 | NEXT_ARG(); | |
722 | xfrm_reqid_parse(&req.xspi.info.reqid, &argc, &argv); | |
723 | } else if (strcmp(*argv, "seq") == 0) { | |
724 | NEXT_ARG(); | |
725 | xfrm_seq_parse(&req.xspi.info.seq, &argc, &argv); | |
726 | } else if (strcmp(*argv, "min") == 0) { | |
727 | if (minp) | |
728 | duparg("min", *argv); | |
729 | minp = *argv; | |
730 | ||
731 | NEXT_ARG(); | |
732 | ||
733 | if (get_u32(&req.xspi.min, *argv, 0)) | |
e8740e42 | 734 | invarg("value after \"min\" is invalid", *argv); |
fb7399b2 | 735 | } else if (strcmp(*argv, "max") == 0) { |
736 | if (maxp) | |
737 | duparg("max", *argv); | |
738 | maxp = *argv; | |
739 | ||
740 | NEXT_ARG(); | |
741 | ||
742 | if (get_u32(&req.xspi.max, *argv, 0)) | |
e8740e42 | 743 | invarg("value after \"max\" is invalid", *argv); |
fb7399b2 | 744 | } else { |
745 | /* try to assume ID */ | |
746 | if (idp) | |
747 | invarg("unknown", *argv); | |
748 | idp = *argv; | |
749 | ||
750 | /* ID */ | |
751 | xfrm_id_parse(&req.xspi.info.saddr, &req.xspi.info.id, | |
752 | &req.xspi.info.family, 0, &argc, &argv); | |
753 | if (req.xspi.info.id.spi) { | |
e8740e42 | 754 | fprintf(stderr, "\"spi\" is invalid\n"); |
fb7399b2 | 755 | exit(1); |
756 | } | |
757 | if (preferred_family == AF_UNSPEC) | |
758 | preferred_family = req.xspi.info.family; | |
759 | } | |
760 | argc--; argv++; | |
761 | } | |
762 | ||
763 | if (!idp) { | |
e8740e42 | 764 | fprintf(stderr, "Not enough information: ID is required\n"); |
fb7399b2 | 765 | exit(1); |
766 | } | |
767 | ||
768 | if (minp) { | |
769 | if (!maxp) { | |
770 | fprintf(stderr, "\"max\" is missing\n"); | |
771 | exit(1); | |
772 | } | |
773 | if (req.xspi.min > req.xspi.max) { | |
e8740e42 | 774 | fprintf(stderr, "value after \"min\" is larger than value after \"max\"\n"); |
fb7399b2 | 775 | exit(1); |
776 | } | |
777 | } else { | |
778 | if (maxp) { | |
779 | fprintf(stderr, "\"min\" is missing\n"); | |
780 | exit(1); | |
781 | } | |
782 | ||
783 | /* XXX: Default value defined in PF_KEY; | |
784 | * See kernel's net/key/af_key.c(pfkey_getspi). | |
785 | */ | |
786 | req.xspi.min = 0x100; | |
787 | req.xspi.max = 0x0fffffff; | |
788 | ||
789 | /* XXX: IPCOMP spi is 16-bits; | |
790 | * See kernel's net/xfrm/xfrm_user(verify_userspi_info). | |
791 | */ | |
792 | if (req.xspi.info.id.proto == IPPROTO_COMP) | |
793 | req.xspi.max = 0xffff; | |
794 | } | |
795 | ||
c90cda94 JHS |
796 | if (mark.m & mark.v) { |
797 | int r = addattr_l(&req.n, sizeof(req.buf), XFRMA_MARK, | |
798 | (void *)&mark, sizeof(mark)); | |
799 | if (r < 0) { | |
800 | fprintf(stderr, "XFRMA_MARK failed\n"); | |
801 | exit(1); | |
802 | } | |
803 | } | |
804 | ||
fb7399b2 | 805 | if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0) |
806 | exit(1); | |
807 | ||
808 | if (req.xspi.info.family == AF_UNSPEC) | |
809 | req.xspi.info.family = AF_INET; | |
810 | ||
811 | ||
c079e121 | 812 | if (rtnl_talk(&rth, &req.n, res_n, sizeof(res_buf)) < 0) |
fb7399b2 | 813 | exit(2); |
814 | ||
56f5daac | 815 | if (xfrm_state_print(NULL, res_n, (void *)stdout) < 0) { |
fb7399b2 | 816 | fprintf(stderr, "An error :-)\n"); |
817 | exit(1); | |
818 | } | |
819 | ||
820 | rtnl_close(&rth); | |
821 | ||
822 | return 0; | |
823 | } | |
824 | ||
c7699875 | 825 | static int xfrm_state_filter_match(struct xfrm_usersa_info *xsinfo) |
826 | { | |
827 | if (!filter.use) | |
828 | return 1; | |
829 | ||
830 | if (filter.id_src_mask) | |
eaa34ee3 | 831 | if (xfrm_addr_match(&xsinfo->saddr, &filter.xsinfo.saddr, |
832 | filter.id_src_mask)) | |
c7699875 | 833 | return 0; |
834 | if (filter.id_dst_mask) | |
eaa34ee3 | 835 | if (xfrm_addr_match(&xsinfo->id.daddr, &filter.xsinfo.id.daddr, |
836 | filter.id_dst_mask)) | |
c7699875 | 837 | return 0; |
838 | if ((xsinfo->id.proto^filter.xsinfo.id.proto)&filter.id_proto_mask) | |
839 | return 0; | |
840 | if ((xsinfo->id.spi^filter.xsinfo.id.spi)&filter.id_spi_mask) | |
841 | return 0; | |
842 | if ((xsinfo->mode^filter.xsinfo.mode)&filter.mode_mask) | |
843 | return 0; | |
844 | if ((xsinfo->reqid^filter.xsinfo.reqid)&filter.reqid_mask) | |
845 | return 0; | |
846 | if (filter.state_flags_mask) | |
847 | if ((xsinfo->flags & filter.xsinfo.flags) == 0) | |
848 | return 0; | |
849 | ||
850 | return 1; | |
851 | } | |
852 | ||
fb7399b2 | 853 | int xfrm_state_print(const struct sockaddr_nl *who, struct nlmsghdr *n, |
854 | void *arg) | |
c7699875 | 855 | { |
56f5daac SH |
856 | FILE *fp = (FILE *)arg; |
857 | struct rtattr *tb[XFRMA_MAX+1]; | |
858 | struct rtattr *rta; | |
c595c790 SH |
859 | struct xfrm_usersa_info *xsinfo = NULL; |
860 | struct xfrm_user_expire *xexp = NULL; | |
861 | struct xfrm_usersa_id *xsid = NULL; | |
862 | int len = n->nlmsg_len; | |
c7699875 | 863 | |
864 | if (n->nlmsg_type != XFRM_MSG_NEWSA && | |
90f93024 | 865 | n->nlmsg_type != XFRM_MSG_DELSA && |
669ae748 | 866 | n->nlmsg_type != XFRM_MSG_UPDSA && |
90f93024 | 867 | n->nlmsg_type != XFRM_MSG_EXPIRE) { |
c7699875 | 868 | fprintf(stderr, "Not a state: %08x %08x %08x\n", |
869 | n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags); | |
870 | return 0; | |
871 | } | |
872 | ||
669ae748 SH |
873 | if (n->nlmsg_type == XFRM_MSG_DELSA) { |
874 | /* Dont blame me for this .. Herbert made me do it */ | |
875 | xsid = NLMSG_DATA(n); | |
af1b6a41 | 876 | len -= NLMSG_SPACE(sizeof(*xsid)); |
669ae748 | 877 | } else if (n->nlmsg_type == XFRM_MSG_EXPIRE) { |
90f93024 SH |
878 | xexp = NLMSG_DATA(n); |
879 | xsinfo = &xexp->state; | |
af1b6a41 | 880 | len -= NLMSG_SPACE(sizeof(*xexp)); |
90f93024 SH |
881 | } else { |
882 | xexp = NULL; | |
883 | xsinfo = NLMSG_DATA(n); | |
af1b6a41 | 884 | len -= NLMSG_SPACE(sizeof(*xsinfo)); |
90f93024 SH |
885 | } |
886 | ||
c7699875 | 887 | if (len < 0) { |
888 | fprintf(stderr, "BUG: wrong nlmsg len %d\n", len); | |
889 | return -1; | |
890 | } | |
891 | ||
669ae748 | 892 | if (xsinfo && !xfrm_state_filter_match(xsinfo)) |
c7699875 | 893 | return 0; |
894 | ||
669ae748 | 895 | if (n->nlmsg_type == XFRM_MSG_DELSA) |
c595c790 | 896 | fprintf(fp, "Deleted "); |
669ae748 SH |
897 | else if (n->nlmsg_type == XFRM_MSG_UPDSA) |
898 | fprintf(fp, "Updated "); | |
c595c790 SH |
899 | else if (n->nlmsg_type == XFRM_MSG_EXPIRE) |
900 | fprintf(fp, "Expired "); | |
901 | ||
669ae748 SH |
902 | if (n->nlmsg_type == XFRM_MSG_DELSA) |
903 | rta = XFRMSID_RTA(xsid); | |
904 | else if (n->nlmsg_type == XFRM_MSG_EXPIRE) | |
90f93024 | 905 | rta = XFRMEXP_RTA(xexp); |
ae665a52 | 906 | else |
90f93024 SH |
907 | rta = XFRMS_RTA(xsinfo); |
908 | ||
909 | parse_rtattr(tb, XFRMA_MAX, rta, len); | |
c7699875 | 910 | |
c595c790 | 911 | if (n->nlmsg_type == XFRM_MSG_DELSA) { |
56f5daac | 912 | /* xfrm_policy_id_print(); */ |
669ae748 SH |
913 | |
914 | if (!tb[XFRMA_SA]) { | |
915 | fprintf(stderr, "Buggy XFRM_MSG_DELSA: no XFRMA_SA\n"); | |
916 | return -1; | |
917 | } | |
918 | if (RTA_PAYLOAD(tb[XFRMA_SA]) < sizeof(*xsinfo)) { | |
919 | fprintf(stderr, "Buggy XFRM_MSG_DELPOLICY: too short XFRMA_POLICY len\n"); | |
920 | return -1; | |
c595c790 | 921 | } |
bdf9e86d | 922 | xsinfo = RTA_DATA(tb[XFRMA_SA]); |
c595c790 | 923 | } |
c7699875 | 924 | |
fb7399b2 | 925 | xfrm_state_info_print(xsinfo, tb, fp, NULL, NULL); |
c7699875 | 926 | |
90f93024 SH |
927 | if (n->nlmsg_type == XFRM_MSG_EXPIRE) { |
928 | fprintf(fp, "\t"); | |
929 | fprintf(fp, "hard %u", xexp->hard); | |
930 | fprintf(fp, "%s", _SL_); | |
931 | } | |
932 | ||
7809c616 | 933 | if (oneline) |
934 | fprintf(fp, "\n"); | |
669ae748 | 935 | fflush(fp); |
7809c616 | 936 | |
c7699875 | 937 | return 0; |
938 | } | |
939 | ||
940 | static int xfrm_state_get_or_delete(int argc, char **argv, int delete) | |
941 | { | |
942 | struct rtnl_handle rth; | |
943 | struct { | |
4806867a | 944 | struct nlmsghdr n; |
c7699875 | 945 | struct xfrm_usersa_id xsid; |
56f5daac | 946 | char buf[RTA_BUF_SIZE]; |
d17b136f PS |
947 | } req = { |
948 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xsid)), | |
949 | .n.nlmsg_flags = NLM_F_REQUEST, | |
950 | .n.nlmsg_type = delete ? XFRM_MSG_DELSA : XFRM_MSG_GETSA, | |
951 | .xsid.family = preferred_family, | |
952 | }; | |
c7699875 | 953 | struct xfrm_id id; |
954 | char *idp = NULL; | |
c90cda94 | 955 | struct xfrm_mark mark = {0, 0}; |
c7699875 | 956 | |
c7699875 | 957 | while (argc > 0) { |
7ea4f5d3 | 958 | xfrm_address_t saddr; |
c7699875 | 959 | |
c90cda94 JHS |
960 | if (strcmp(*argv, "mark") == 0) { |
961 | xfrm_parse_mark(&mark, &argc, &argv); | |
962 | } else { | |
963 | if (idp) | |
964 | invarg("unknown", *argv); | |
965 | idp = *argv; | |
c7699875 | 966 | |
c90cda94 JHS |
967 | /* ID */ |
968 | memset(&id, 0, sizeof(id)); | |
969 | memset(&saddr, 0, sizeof(saddr)); | |
970 | xfrm_id_parse(&saddr, &id, &req.xsid.family, 0, | |
971 | &argc, &argv); | |
c7699875 | 972 | |
c90cda94 JHS |
973 | memcpy(&req.xsid.daddr, &id.daddr, sizeof(req.xsid.daddr)); |
974 | req.xsid.spi = id.spi; | |
975 | req.xsid.proto = id.proto; | |
c7699875 | 976 | |
c90cda94 JHS |
977 | addattr_l(&req.n, sizeof(req.buf), XFRMA_SRCADDR, |
978 | (void *)&saddr, sizeof(saddr)); | |
979 | } | |
7ea4f5d3 | 980 | |
c7699875 | 981 | argc--; argv++; |
982 | } | |
983 | ||
c90cda94 JHS |
984 | if (mark.m & mark.v) { |
985 | int r = addattr_l(&req.n, sizeof(req.buf), XFRMA_MARK, | |
986 | (void *)&mark, sizeof(mark)); | |
987 | if (r < 0) { | |
988 | fprintf(stderr, "XFRMA_MARK failed\n"); | |
989 | exit(1); | |
990 | } | |
991 | } | |
992 | ||
c7699875 | 993 | if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0) |
994 | exit(1); | |
995 | ||
996 | if (req.xsid.family == AF_UNSPEC) | |
997 | req.xsid.family = AF_INET; | |
998 | ||
999 | if (delete) { | |
c079e121 | 1000 | if (rtnl_talk(&rth, &req.n, NULL, 0) < 0) |
c7699875 | 1001 | exit(2); |
1002 | } else { | |
d17b136f | 1003 | char buf[NLMSG_BUF_SIZE] = {}; |
c7699875 | 1004 | struct nlmsghdr *res_n = (struct nlmsghdr *)buf; |
1005 | ||
c079e121 | 1006 | if (rtnl_talk(&rth, &req.n, res_n, sizeof(req)) < 0) |
c7699875 | 1007 | exit(2); |
1008 | ||
56f5daac | 1009 | if (xfrm_state_print(NULL, res_n, (void *)stdout) < 0) { |
c7699875 | 1010 | fprintf(stderr, "An error :-)\n"); |
1011 | exit(1); | |
1012 | } | |
1013 | } | |
1014 | ||
1015 | rtnl_close(&rth); | |
1016 | ||
1017 | return 0; | |
1018 | } | |
1019 | ||
1020 | /* | |
1021 | * With an existing state of nlmsg, make new nlmsg for deleting the state | |
1022 | * and store it to buffer. | |
1023 | */ | |
6dc9f016 | 1024 | static int xfrm_state_keep(const struct sockaddr_nl *who, |
50772dc5 | 1025 | struct nlmsghdr *n, |
6dc9f016 | 1026 | void *arg) |
c7699875 | 1027 | { |
1028 | struct xfrm_buffer *xb = (struct xfrm_buffer *)arg; | |
1029 | struct rtnl_handle *rth = xb->rth; | |
1030 | struct xfrm_usersa_info *xsinfo = NLMSG_DATA(n); | |
1031 | int len = n->nlmsg_len; | |
1032 | struct nlmsghdr *new_n; | |
1033 | struct xfrm_usersa_id *xsid; | |
1034 | ||
1035 | if (n->nlmsg_type != XFRM_MSG_NEWSA) { | |
1036 | fprintf(stderr, "Not a state: %08x %08x %08x\n", | |
1037 | n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags); | |
1038 | return 0; | |
1039 | } | |
1040 | ||
1041 | len -= NLMSG_LENGTH(sizeof(*xsinfo)); | |
1042 | if (len < 0) { | |
1043 | fprintf(stderr, "BUG: wrong nlmsg len %d\n", len); | |
1044 | return -1; | |
1045 | } | |
1046 | ||
1047 | if (!xfrm_state_filter_match(xsinfo)) | |
1048 | return 0; | |
1049 | ||
1050 | if (xb->offset > xb->size) { | |
9bec1a43 | 1051 | fprintf(stderr, "State buffer overflow\n"); |
c7699875 | 1052 | return -1; |
1053 | } | |
1054 | ||
1055 | new_n = (struct nlmsghdr *)(xb->buf + xb->offset); | |
1056 | new_n->nlmsg_len = NLMSG_LENGTH(sizeof(*xsid)); | |
1057 | new_n->nlmsg_flags = NLM_F_REQUEST; | |
1058 | new_n->nlmsg_type = XFRM_MSG_DELSA; | |
1059 | new_n->nlmsg_seq = ++rth->seq; | |
1060 | ||
1061 | xsid = NLMSG_DATA(new_n); | |
1062 | xsid->family = xsinfo->family; | |
1063 | memcpy(&xsid->daddr, &xsinfo->id.daddr, sizeof(xsid->daddr)); | |
1064 | xsid->spi = xsinfo->id.spi; | |
1065 | xsid->proto = xsinfo->id.proto; | |
1066 | ||
7ea4f5d3 MN |
1067 | addattr_l(new_n, xb->size, XFRMA_SRCADDR, &xsinfo->saddr, |
1068 | sizeof(xsid->daddr)); | |
1069 | ||
c7699875 | 1070 | xb->offset += new_n->nlmsg_len; |
56f5daac | 1071 | xb->nlmsg_count++; |
c7699875 | 1072 | |
1073 | return 0; | |
1074 | } | |
1075 | ||
9bec1a43 | 1076 | static int xfrm_state_list_or_deleteall(int argc, char **argv, int deleteall) |
c7699875 | 1077 | { |
1078 | char *idp = NULL; | |
1079 | struct rtnl_handle rth; | |
1080 | ||
56f5daac | 1081 | if (argc > 0) |
bd641cd6 | 1082 | filter.use = 1; |
c7699875 | 1083 | filter.xsinfo.family = preferred_family; |
1084 | ||
1085 | while (argc > 0) { | |
1086 | if (strcmp(*argv, "mode") == 0) { | |
1087 | NEXT_ARG(); | |
1088 | xfrm_mode_parse(&filter.xsinfo.mode, &argc, &argv); | |
1089 | ||
1090 | filter.mode_mask = XFRM_FILTER_MASK_FULL; | |
1091 | ||
1092 | } else if (strcmp(*argv, "reqid") == 0) { | |
1093 | NEXT_ARG(); | |
1094 | xfrm_reqid_parse(&filter.xsinfo.reqid, &argc, &argv); | |
1095 | ||
1096 | filter.reqid_mask = XFRM_FILTER_MASK_FULL; | |
1097 | ||
1098 | } else if (strcmp(*argv, "flag") == 0) { | |
1099 | NEXT_ARG(); | |
1100 | xfrm_state_flag_parse(&filter.xsinfo.flags, &argc, &argv); | |
1101 | ||
1102 | filter.state_flags_mask = XFRM_FILTER_MASK_FULL; | |
1103 | ||
1104 | } else { | |
1105 | if (idp) | |
1106 | invarg("unknown", *argv); | |
1107 | idp = *argv; | |
1108 | ||
1109 | /* ID */ | |
7809c616 | 1110 | xfrm_id_parse(&filter.xsinfo.saddr, &filter.xsinfo.id, |
1111 | &filter.xsinfo.family, 1, &argc, &argv); | |
c7699875 | 1112 | if (preferred_family == AF_UNSPEC) |
1113 | preferred_family = filter.xsinfo.family; | |
1114 | } | |
1115 | argc--; argv++; | |
1116 | } | |
1117 | ||
1118 | if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0) | |
1119 | exit(1); | |
1120 | ||
9bec1a43 | 1121 | if (deleteall) { |
c7699875 | 1122 | struct xfrm_buffer xb; |
9bec1a43 | 1123 | char buf[NLMSG_DELETEALL_BUF_SIZE]; |
c7699875 | 1124 | int i; |
1125 | ||
1126 | xb.buf = buf; | |
1127 | xb.size = sizeof(buf); | |
1128 | xb.rth = &rth; | |
1129 | ||
1130 | for (i = 0; ; i++) { | |
782cf01d ND |
1131 | struct { |
1132 | struct nlmsghdr n; | |
1133 | char buf[NLMSG_BUF_SIZE]; | |
1134 | } req = { | |
1135 | .n.nlmsg_len = NLMSG_HDRLEN, | |
1136 | .n.nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST, | |
1137 | .n.nlmsg_type = XFRM_MSG_GETSA, | |
1138 | .n.nlmsg_seq = rth.dump = ++rth.seq, | |
1139 | }; | |
1140 | ||
c7699875 | 1141 | xb.offset = 0; |
1142 | xb.nlmsg_count = 0; | |
1143 | ||
1144 | if (show_stats > 1) | |
9bec1a43 | 1145 | fprintf(stderr, "Delete-all round = %d\n", i); |
c7699875 | 1146 | |
782cf01d | 1147 | if (rtnl_send(&rth, (void *)&req, req.n.nlmsg_len) < 0) { |
c7699875 | 1148 | perror("Cannot send dump request"); |
1149 | exit(1); | |
1150 | } | |
1151 | ||
cd70f3f5 | 1152 | if (rtnl_dump_filter(&rth, xfrm_state_keep, &xb) < 0) { |
9bec1a43 | 1153 | fprintf(stderr, "Delete-all terminated\n"); |
c7699875 | 1154 | exit(1); |
1155 | } | |
1156 | if (xb.nlmsg_count == 0) { | |
1157 | if (show_stats > 1) | |
9bec1a43 | 1158 | fprintf(stderr, "Delete-all completed\n"); |
c7699875 | 1159 | break; |
1160 | } | |
1161 | ||
f31a37f7 | 1162 | if (rtnl_send_check(&rth, xb.buf, xb.offset) < 0) { |
9bec1a43 | 1163 | perror("Failed to send delete-all request\n"); |
c7699875 | 1164 | exit(1); |
1165 | } | |
1166 | if (show_stats > 1) | |
9bec1a43 | 1167 | fprintf(stderr, "Delete-all nlmsg count = %d\n", xb.nlmsg_count); |
c7699875 | 1168 | |
1169 | xb.offset = 0; | |
1170 | xb.nlmsg_count = 0; | |
1171 | } | |
1172 | ||
1173 | } else { | |
f687d73c ND |
1174 | struct xfrm_address_filter addrfilter = { |
1175 | .saddr = filter.xsinfo.saddr, | |
1176 | .daddr = filter.xsinfo.id.daddr, | |
1177 | .family = filter.xsinfo.family, | |
1178 | .splen = filter.id_src_mask, | |
1179 | .dplen = filter.id_dst_mask, | |
1180 | }; | |
1181 | struct { | |
1182 | struct nlmsghdr n; | |
1183 | char buf[NLMSG_BUF_SIZE]; | |
1184 | } req = { | |
1185 | .n.nlmsg_len = NLMSG_HDRLEN, | |
1186 | .n.nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST, | |
1187 | .n.nlmsg_type = XFRM_MSG_GETSA, | |
1188 | .n.nlmsg_seq = rth.dump = ++rth.seq, | |
1189 | }; | |
1190 | ||
1191 | if (filter.xsinfo.id.proto) | |
1192 | addattr8(&req.n, sizeof(req), XFRMA_PROTO, | |
1193 | filter.xsinfo.id.proto); | |
1194 | addattr_l(&req.n, sizeof(req), XFRMA_ADDRESS_FILTER, | |
1195 | &addrfilter, sizeof(addrfilter)); | |
1196 | ||
1197 | if (rtnl_send(&rth, (void *)&req, req.n.nlmsg_len) < 0) { | |
c7699875 | 1198 | perror("Cannot send dump request"); |
1199 | exit(1); | |
1200 | } | |
1201 | ||
cd70f3f5 | 1202 | if (rtnl_dump_filter(&rth, xfrm_state_print, stdout) < 0) { |
c7699875 | 1203 | fprintf(stderr, "Dump terminated\n"); |
1204 | exit(1); | |
1205 | } | |
1206 | } | |
1207 | ||
1208 | rtnl_close(&rth); | |
1209 | ||
1210 | exit(0); | |
1211 | } | |
1212 | ||
d1f28cf1 | 1213 | static int print_sadinfo(struct nlmsghdr *n, void *arg) |
0bb4a4c2 | 1214 | { |
56f5daac | 1215 | FILE *fp = (FILE *)arg; |
0bb4a4c2 | 1216 | __u32 *f = NLMSG_DATA(n); |
1217 | struct rtattr *tb[XFRMA_SAD_MAX+1]; | |
1218 | struct rtattr *rta; | |
0bb4a4c2 | 1219 | int len = n->nlmsg_len; |
1220 | ||
1221 | len -= NLMSG_LENGTH(sizeof(__u32)); | |
1222 | if (len < 0) { | |
1223 | fprintf(stderr, "SADinfo: Wrong len %d\n", len); | |
1224 | return -1; | |
1225 | } | |
1226 | ||
1227 | rta = XFRMSAPD_RTA(f); | |
1228 | parse_rtattr(tb, XFRMA_SAD_MAX, rta, len); | |
1229 | ||
bdf9e86d | 1230 | if (tb[XFRMA_SAD_CNT]) { |
9f1370c0 SH |
1231 | __u32 cnt; |
1232 | ||
56f5daac | 1233 | fprintf(fp, "\t SAD"); |
9f1370c0 SH |
1234 | cnt = rta_getattr_u32(tb[XFRMA_SAD_CNT]); |
1235 | fprintf(fp, " count %u", cnt); | |
0bb4a4c2 | 1236 | } else { |
56f5daac | 1237 | fprintf(fp, "BAD SAD info returned\n"); |
0bb4a4c2 | 1238 | return -1; |
1239 | } | |
1240 | ||
1241 | if (show_stats) { | |
bdf9e86d SH |
1242 | if (tb[XFRMA_SAD_HINFO]) { |
1243 | struct xfrmu_sadhinfo *si; | |
0bb4a4c2 | 1244 | |
bdf9e86d | 1245 | if (RTA_PAYLOAD(tb[XFRMA_SAD_HINFO]) < sizeof(*si)) { |
56f5daac | 1246 | fprintf(fp, "BAD SAD length returned\n"); |
bdf9e86d SH |
1247 | return -1; |
1248 | } | |
0612519e | 1249 | |
bdf9e86d | 1250 | si = RTA_DATA(tb[XFRMA_SAD_HINFO]); |
56f5daac SH |
1251 | fprintf(fp, " (buckets "); |
1252 | fprintf(fp, "count %d", si->sadhcnt); | |
1253 | fprintf(fp, " Max %d", si->sadhmcnt); | |
1254 | fprintf(fp, ")"); | |
bdf9e86d | 1255 | } |
0bb4a4c2 | 1256 | } |
56f5daac | 1257 | fprintf(fp, "\n"); |
0bb4a4c2 | 1258 | |
56f5daac | 1259 | return 0; |
0bb4a4c2 | 1260 | } |
1261 | ||
1262 | static int xfrm_sad_getinfo(int argc, char **argv) | |
1263 | { | |
1264 | struct rtnl_handle rth; | |
1265 | struct { | |
1266 | struct nlmsghdr n; | |
1267 | __u32 flags; | |
1268 | char ans[64]; | |
d17b136f PS |
1269 | } req = { |
1270 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(req.flags)), | |
1271 | .n.nlmsg_flags = NLM_F_REQUEST, | |
1272 | .n.nlmsg_type = XFRM_MSG_GETSADINFO, | |
1273 | .flags = 0XFFFFFFFF, | |
1274 | }; | |
0bb4a4c2 | 1275 | |
1276 | if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0) | |
1277 | exit(1); | |
1278 | ||
c079e121 | 1279 | if (rtnl_talk(&rth, &req.n, &req.n, sizeof(req)) < 0) |
0bb4a4c2 | 1280 | exit(2); |
1281 | ||
56f5daac | 1282 | print_sadinfo(&req.n, (void *)stdout); |
0bb4a4c2 | 1283 | |
1284 | rtnl_close(&rth); | |
1285 | ||
1286 | return 0; | |
1287 | } | |
1288 | ||
9bec1a43 | 1289 | static int xfrm_state_flush(int argc, char **argv) |
bd641cd6 | 1290 | { |
1291 | struct rtnl_handle rth; | |
1292 | struct { | |
1293 | struct nlmsghdr n; | |
1294 | struct xfrm_usersa_flush xsf; | |
d17b136f PS |
1295 | } req = { |
1296 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xsf)), | |
1297 | .n.nlmsg_flags = NLM_F_REQUEST, | |
1298 | .n.nlmsg_type = XFRM_MSG_FLUSHSA, | |
1299 | }; | |
9bec1a43 | 1300 | char *protop = NULL; |
bd641cd6 | 1301 | |
9bec1a43 SH |
1302 | while (argc > 0) { |
1303 | if (strcmp(*argv, "proto") == 0) { | |
1304 | int ret; | |
1305 | ||
1306 | if (protop) | |
1307 | duparg("proto", *argv); | |
1308 | protop = *argv; | |
1309 | ||
1310 | NEXT_ARG(); | |
1311 | ||
1312 | ret = xfrm_xfrmproto_getbyname(*argv); | |
1313 | if (ret < 0) | |
e8740e42 | 1314 | invarg("XFRM-PROTO value is invalid", *argv); |
9bec1a43 SH |
1315 | |
1316 | req.xsf.proto = (__u8)ret; | |
1317 | } else | |
1318 | invarg("unknown", *argv); | |
1319 | ||
1320 | argc--; argv++; | |
1321 | } | |
1322 | ||
bd641cd6 | 1323 | if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0) |
1324 | exit(1); | |
1325 | ||
1326 | if (show_stats > 1) | |
e8740e42 | 1327 | fprintf(stderr, "Flush state with XFRM-PROTO value \"%s\"\n", |
9bec1a43 | 1328 | strxf_xfrmproto(req.xsf.proto)); |
bd641cd6 | 1329 | |
c079e121 | 1330 | if (rtnl_talk(&rth, &req.n, NULL, 0) < 0) |
bd641cd6 | 1331 | exit(2); |
1332 | ||
1333 | rtnl_close(&rth); | |
1334 | ||
1335 | return 0; | |
1336 | } | |
1337 | ||
c7699875 | 1338 | int do_xfrm_state(int argc, char **argv) |
1339 | { | |
1340 | if (argc < 1) | |
9bec1a43 | 1341 | return xfrm_state_list_or_deleteall(0, NULL, 0); |
c7699875 | 1342 | |
1343 | if (matches(*argv, "add") == 0) | |
1344 | return xfrm_state_modify(XFRM_MSG_NEWSA, 0, | |
1345 | argc-1, argv+1); | |
1346 | if (matches(*argv, "update") == 0) | |
1347 | return xfrm_state_modify(XFRM_MSG_UPDSA, 0, | |
1348 | argc-1, argv+1); | |
fb7399b2 | 1349 | if (matches(*argv, "allocspi") == 0) |
1350 | return xfrm_state_allocspi(argc-1, argv+1); | |
9bec1a43 | 1351 | if (matches(*argv, "delete") == 0) |
c7699875 | 1352 | return xfrm_state_get_or_delete(argc-1, argv+1, 1); |
9bec1a43 SH |
1353 | if (matches(*argv, "deleteall") == 0 || matches(*argv, "delall") == 0) |
1354 | return xfrm_state_list_or_deleteall(argc-1, argv+1, 1); | |
c7699875 | 1355 | if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0 |
1356 | || matches(*argv, "lst") == 0) | |
9bec1a43 | 1357 | return xfrm_state_list_or_deleteall(argc-1, argv+1, 0); |
c7699875 | 1358 | if (matches(*argv, "get") == 0) |
1359 | return xfrm_state_get_or_delete(argc-1, argv+1, 0); | |
9bec1a43 SH |
1360 | if (matches(*argv, "flush") == 0) |
1361 | return xfrm_state_flush(argc-1, argv+1); | |
0bb4a4c2 | 1362 | if (matches(*argv, "count") == 0) { |
1363 | return xfrm_sad_getinfo(argc, argv); | |
1364 | } | |
c7699875 | 1365 | if (matches(*argv, "help") == 0) |
1366 | usage(); | |
1367 | fprintf(stderr, "Command \"%s\" is unknown, try \"ip xfrm state help\".\n", *argv); | |
1368 | exit(-1); | |
1369 | } |