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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"); |
cfd2e727 | 63 | fprintf(stderr, " [ offload [dev DEV] dir DIR ]\n"); |
2ecb61a0 | 64 | fprintf(stderr, " [ output-mark OUTPUT-MARK ]\n"); |
aed63ae1 | 65 | + fprintf(stderr, " [ if_id IF_ID ]\n"); |
cbec0219 DW |
66 | fprintf(stderr, "Usage: ip xfrm state allocspi ID [ mode MODE ] [ mark MARK [ mask MASK ] ]\n"); |
67 | fprintf(stderr, " [ reqid REQID ] [ seq SEQ ] [ min SPI max SPI ]\n"); | |
68 | fprintf(stderr, "Usage: ip xfrm state { delete | get } ID [ mark MARK [ mask MASK ] ]\n"); | |
a6af9f2e BW |
69 | fprintf(stderr, "Usage: ip xfrm state deleteall [ ID ] [ mode MODE ] [ reqid REQID ]\n"); |
70 | fprintf(stderr, " [ flag FLAG-LIST ]\n"); | |
71 | fprintf(stderr, "Usage: ip xfrm state list [ nokeys ] [ ID ] [ mode MODE ] [ reqid REQID ]\n"); | |
c1fa2253 | 72 | fprintf(stderr, " [ flag FLAG-LIST ]\n"); |
cbec0219 DW |
73 | fprintf(stderr, "Usage: ip xfrm state flush [ proto XFRM-PROTO ]\n"); |
74 | fprintf(stderr, "Usage: ip xfrm state count\n"); | |
75 | fprintf(stderr, "ID := [ src ADDR ] [ dst ADDR ] [ proto XFRM-PROTO ] [ spi SPI ]\n"); | |
76 | fprintf(stderr, "XFRM-PROTO := "); | |
29aa4dd7 | 77 | fprintf(stderr, "%s | ", strxf_xfrmproto(IPPROTO_ESP)); |
78 | fprintf(stderr, "%s | ", strxf_xfrmproto(IPPROTO_AH)); | |
7ea4f5d3 MN |
79 | fprintf(stderr, "%s | ", strxf_xfrmproto(IPPROTO_COMP)); |
80 | fprintf(stderr, "%s | ", strxf_xfrmproto(IPPROTO_ROUTING)); | |
cbec0219 DW |
81 | fprintf(stderr, "%s\n", strxf_xfrmproto(IPPROTO_DSTOPTS)); |
82 | fprintf(stderr, "ALGO-LIST := [ ALGO-LIST ] ALGO\n"); | |
83 | fprintf(stderr, "ALGO := { "); | |
7809c616 | 84 | fprintf(stderr, "%s | ", strxf_algotype(XFRMA_ALG_CRYPT)); |
f3b9aa3d | 85 | fprintf(stderr, "%s", strxf_algotype(XFRMA_ALG_AUTH)); |
29665f92 | 86 | fprintf(stderr, " } ALGO-NAME ALGO-KEYMAT |\n"); |
f3b9aa3d | 87 | fprintf(stderr, " %s", strxf_algotype(XFRMA_ALG_AUTH_TRUNC)); |
29665f92 | 88 | fprintf(stderr, " ALGO-NAME ALGO-KEYMAT ALGO-TRUNC-LEN |\n"); |
cbec0219 | 89 | fprintf(stderr, " %s", strxf_algotype(XFRMA_ALG_AEAD)); |
29665f92 | 90 | fprintf(stderr, " ALGO-NAME ALGO-KEYMAT ALGO-ICV-LEN |\n"); |
f3b9aa3d DW |
91 | fprintf(stderr, " %s", strxf_algotype(XFRMA_ALG_COMP)); |
92 | fprintf(stderr, " ALGO-NAME\n"); | |
e8740e42 | 93 | fprintf(stderr, "MODE := transport | tunnel | beet | ro | in_trigger\n"); |
cbec0219 | 94 | fprintf(stderr, "FLAG-LIST := [ FLAG-LIST ] FLAG\n"); |
0151b56d | 95 | fprintf(stderr, "FLAG := noecn | decap-dscp | nopmtudisc | wildrecv | icmp | af-unspec | align4 | esn\n"); |
dc8867d0 ND |
96 | fprintf(stderr, "EXTRA-FLAG-LIST := [ EXTRA-FLAG-LIST ] EXTRA-FLAG\n"); |
97 | fprintf(stderr, "EXTRA-FLAG := dont-encap-dscp\n"); | |
cbec0219 DW |
98 | fprintf(stderr, "SELECTOR := [ src ADDR[/PLEN] ] [ dst ADDR[/PLEN] ] [ dev DEV ] [ UPSPEC ]\n"); |
99 | fprintf(stderr, "UPSPEC := proto { { "); | |
100 | fprintf(stderr, "%s | ", strxf_proto(IPPROTO_TCP)); | |
101 | fprintf(stderr, "%s | ", strxf_proto(IPPROTO_UDP)); | |
102 | fprintf(stderr, "%s | ", strxf_proto(IPPROTO_SCTP)); | |
103 | fprintf(stderr, "%s", strxf_proto(IPPROTO_DCCP)); | |
104 | fprintf(stderr, " } [ sport PORT ] [ dport PORT ] |\n"); | |
105 | fprintf(stderr, " { "); | |
106 | fprintf(stderr, "%s | ", strxf_proto(IPPROTO_ICMP)); | |
107 | fprintf(stderr, "%s | ", strxf_proto(IPPROTO_ICMPV6)); | |
108 | fprintf(stderr, "%s", strxf_proto(IPPROTO_MH)); | |
109 | fprintf(stderr, " } [ type NUMBER ] [ code NUMBER ] |\n"); | |
110 | fprintf(stderr, " %s", strxf_proto(IPPROTO_GRE)); | |
111 | fprintf(stderr, " [ key { DOTTED-QUAD | NUMBER } ] | PROTO }\n"); | |
112 | fprintf(stderr, "LIMIT-LIST := [ LIMIT-LIST ] limit LIMIT\n"); | |
113 | fprintf(stderr, "LIMIT := { time-soft | time-hard | time-use-soft | time-use-hard } SECONDS |\n"); | |
114 | fprintf(stderr, " { byte-soft | byte-hard } SIZE | { packet-soft | packet-hard } COUNT\n"); | |
56f5daac | 115 | fprintf(stderr, "ENCAP := { espinudp | espinudp-nonike } SPORT DPORT OADDR\n"); |
cfd2e727 | 116 | fprintf(stderr, "DIR := in | out\n"); |
c7699875 | 117 | |
c7699875 | 118 | exit(-1); |
119 | } | |
120 | ||
121 | static int xfrm_algo_parse(struct xfrm_algo *alg, enum xfrm_attr_type_t type, | |
1758a81f | 122 | char *name, char *key, char *buf, int max) |
c7699875 | 123 | { |
124 | int len; | |
7809c616 | 125 | int slen = strlen(key); |
c7699875 | 126 | |
eaa34ee3 | 127 | #if 0 |
c7699875 | 128 | /* XXX: verifying both name and key is required! */ |
29665f92 | 129 | fprintf(stderr, "warning: ALGO-NAME/ALGO-KEYMAT values will be sent to the kernel promiscuously! (verifying them isn't implemented yet)\n"); |
c7699875 | 130 | #endif |
131 | ||
532b8874 | 132 | strlcpy(alg->alg_name, name, sizeof(alg->alg_name)); |
c7699875 | 133 | |
7809c616 | 134 | if (slen > 2 && strncmp(key, "0x", 2) == 0) { |
54f7328a | 135 | /* split two chars "0x" from the top */ |
136 | char *p = key + 2; | |
137 | int plen = slen - 2; | |
138 | int i; | |
139 | int j; | |
140 | ||
141 | /* Converting hexadecimal numbered string into real key; | |
142 | * Convert each two chars into one char(value). If number | |
143 | * of the length is odd, add zero on the top for rounding. | |
c7699875 | 144 | */ |
7809c616 | 145 | |
54f7328a | 146 | /* calculate length of the converted values(real key) */ |
147 | len = (plen + 1) / 2; | |
148 | if (len > max) | |
29665f92 | 149 | invarg("ALGO-KEYMAT value makes buffer overflow\n", key); |
c7699875 | 150 | |
56f5daac | 151 | for (i = -(plen % 2), j = 0; j < len; i += 2, j++) { |
54f7328a | 152 | char vbuf[3]; |
737f15f6 | 153 | __u8 val; |
c7699875 | 154 | |
54f7328a | 155 | vbuf[0] = i >= 0 ? p[i] : '0'; |
156 | vbuf[1] = p[i + 1]; | |
157 | vbuf[2] = '\0'; | |
c7699875 | 158 | |
54f7328a | 159 | if (get_u8(&val, vbuf, 16)) |
29665f92 | 160 | invarg("ALGO-KEYMAT value is invalid", key); |
7809c616 | 161 | |
1758a81f | 162 | buf[j] = val; |
c7699875 | 163 | } |
c7699875 | 164 | } else { |
7809c616 | 165 | len = slen; |
c7699875 | 166 | if (len > 0) { |
167 | if (len > max) | |
29665f92 | 168 | invarg("ALGO-KEYMAT value makes buffer overflow\n", key); |
c7699875 | 169 | |
99500b56 | 170 | memcpy(buf, key, len); |
c7699875 | 171 | } |
172 | } | |
173 | ||
174 | alg->alg_key_len = len * 8; | |
175 | ||
176 | return 0; | |
177 | } | |
178 | ||
fb7399b2 | 179 | static int xfrm_seq_parse(__u32 *seq, int *argcp, char ***argvp) |
180 | { | |
181 | int argc = *argcp; | |
182 | char **argv = *argvp; | |
183 | ||
9f7401fa | 184 | if (get_be32(seq, *argv, 0)) |
e8740e42 | 185 | invarg("SEQ value is invalid", *argv); |
fb7399b2 | 186 | |
fb7399b2 | 187 | *argcp = argc; |
188 | *argvp = argv; | |
189 | ||
190 | return 0; | |
191 | } | |
192 | ||
c7699875 | 193 | static int xfrm_state_flag_parse(__u8 *flags, int *argcp, char ***argvp) |
194 | { | |
195 | int argc = *argcp; | |
196 | char **argv = *argvp; | |
9e566a46 | 197 | int len = strlen(*argv); |
198 | ||
199 | if (len > 2 && strncmp(*argv, "0x", 2) == 0) { | |
200 | __u8 val = 0; | |
c7699875 | 201 | |
9e566a46 | 202 | if (get_u8(&val, *argv, 16)) |
e8740e42 | 203 | invarg("FLAG value is invalid", *argv); |
9e566a46 | 204 | *flags = val; |
205 | } else { | |
eaa34ee3 | 206 | while (1) { |
207 | if (strcmp(*argv, "noecn") == 0) | |
208 | *flags |= XFRM_STATE_NOECN; | |
209 | else if (strcmp(*argv, "decap-dscp") == 0) | |
210 | *flags |= XFRM_STATE_DECAP_DSCP; | |
c1fa2253 MN |
211 | else if (strcmp(*argv, "nopmtudisc") == 0) |
212 | *flags |= XFRM_STATE_NOPMTUDISC; | |
7ea4f5d3 MN |
213 | else if (strcmp(*argv, "wildrecv") == 0) |
214 | *flags |= XFRM_STATE_WILDRECV; | |
15bb82c6 AB |
215 | else if (strcmp(*argv, "icmp") == 0) |
216 | *flags |= XFRM_STATE_ICMP; | |
217 | else if (strcmp(*argv, "af-unspec") == 0) | |
218 | *flags |= XFRM_STATE_AF_UNSPEC; | |
98f5519c ND |
219 | else if (strcmp(*argv, "align4") == 0) |
220 | *flags |= XFRM_STATE_ALIGN4; | |
0151b56d | 221 | else if (strcmp(*argv, "esn") == 0) |
222 | *flags |= XFRM_STATE_ESN; | |
eaa34ee3 | 223 | else { |
224 | PREV_ARG(); /* back track */ | |
225 | break; | |
226 | } | |
227 | ||
228 | if (!NEXT_ARG_OK()) | |
229 | break; | |
230 | NEXT_ARG(); | |
231 | } | |
9e566a46 | 232 | } |
c7699875 | 233 | |
c7699875 | 234 | *argcp = argc; |
235 | *argvp = argv; | |
236 | ||
237 | return 0; | |
238 | } | |
239 | ||
dc8867d0 ND |
240 | static int xfrm_state_extra_flag_parse(__u32 *extra_flags, int *argcp, char ***argvp) |
241 | { | |
242 | int argc = *argcp; | |
243 | char **argv = *argvp; | |
244 | int len = strlen(*argv); | |
245 | ||
246 | if (len > 2 && strncmp(*argv, "0x", 2) == 0) { | |
247 | __u32 val = 0; | |
248 | ||
249 | if (get_u32(&val, *argv, 16)) | |
250 | invarg("\"EXTRA-FLAG\" is invalid", *argv); | |
251 | *extra_flags = val; | |
252 | } else { | |
253 | while (1) { | |
254 | if (strcmp(*argv, "dont-encap-dscp") == 0) | |
255 | *extra_flags |= XFRM_SA_XFLAG_DONT_ENCAP_DSCP; | |
256 | else { | |
257 | PREV_ARG(); /* back track */ | |
258 | break; | |
259 | } | |
260 | ||
261 | if (!NEXT_ARG_OK()) | |
262 | break; | |
263 | NEXT_ARG(); | |
264 | } | |
265 | } | |
266 | ||
267 | *argcp = argc; | |
268 | *argvp = argv; | |
269 | ||
270 | return 0; | |
271 | } | |
272 | ||
cfd2e727 BP |
273 | static int xfrm_offload_dir_parse(__u8 *dir, int *argcp, char ***argvp) |
274 | { | |
275 | int argc = *argcp; | |
276 | char **argv = *argvp; | |
277 | ||
278 | if (strcmp(*argv, "in") == 0) | |
279 | *dir = XFRM_OFFLOAD_INBOUND; | |
280 | else if (strcmp(*argv, "out") == 0) | |
281 | *dir = 0; | |
282 | else | |
283 | invarg("DIR value is invalid", *argv); | |
284 | ||
285 | *argcp = argc; | |
286 | *argvp = argv; | |
287 | ||
288 | return 0; | |
289 | } | |
290 | ||
56f5daac | 291 | static int xfrm_state_modify(int cmd, unsigned int flags, int argc, char **argv) |
c7699875 | 292 | { |
293 | struct rtnl_handle rth; | |
294 | struct { | |
4806867a | 295 | struct nlmsghdr n; |
c7699875 | 296 | struct xfrm_usersa_info xsinfo; |
56f5daac | 297 | char buf[RTA_BUF_SIZE]; |
d17b136f PS |
298 | } req = { |
299 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xsinfo)), | |
300 | .n.nlmsg_flags = NLM_F_REQUEST | flags, | |
301 | .n.nlmsg_type = cmd, | |
302 | .xsinfo.family = preferred_family, | |
303 | .xsinfo.lft.soft_byte_limit = XFRM_INF, | |
304 | .xsinfo.lft.hard_byte_limit = XFRM_INF, | |
305 | .xsinfo.lft.soft_packet_limit = XFRM_INF, | |
306 | .xsinfo.lft.hard_packet_limit = XFRM_INF, | |
307 | }; | |
308 | struct xfrm_replay_state replay = {}; | |
309 | struct xfrm_replay_state_esn replay_esn = {}; | |
cfd2e727 BP |
310 | struct xfrm_user_offload xuo = {}; |
311 | unsigned int ifindex = 0; | |
312 | __u8 dir = 0; | |
313 | bool is_offload = false; | |
0151b56d | 314 | __u32 replay_window = 0; |
315 | __u32 seq = 0, oseq = 0, seq_hi = 0, oseq_hi = 0; | |
c7699875 | 316 | char *idp = NULL; |
1758a81f | 317 | char *aeadop = NULL; |
c7699875 | 318 | char *ealgop = NULL; |
319 | char *aalgop = NULL; | |
320 | char *calgop = NULL; | |
7ea4f5d3 | 321 | char *coap = NULL; |
0c7a5945 | 322 | char *sctxp = NULL; |
dc8867d0 | 323 | __u32 extra_flags = 0; |
c90cda94 | 324 | struct xfrm_mark mark = {0, 0}; |
0c7a5945 JL |
325 | struct { |
326 | struct xfrm_user_sec_ctx sctx; | |
327 | char str[CTX_BUF_SIZE]; | |
d17b136f | 328 | } ctx = {}; |
2ecb61a0 | 329 | __u32 output_mark = 0; |
aed63ae1 EB |
330 | bool is_if_id_set = false; |
331 | __u32 if_id = 0; | |
c7699875 | 332 | |
333 | while (argc > 0) { | |
7809c616 | 334 | if (strcmp(*argv, "mode") == 0) { |
c7699875 | 335 | NEXT_ARG(); |
336 | xfrm_mode_parse(&req.xsinfo.mode, &argc, &argv); | |
c90cda94 JHS |
337 | } else if (strcmp(*argv, "mark") == 0) { |
338 | xfrm_parse_mark(&mark, &argc, &argv); | |
c7699875 | 339 | } else if (strcmp(*argv, "reqid") == 0) { |
340 | NEXT_ARG(); | |
341 | xfrm_reqid_parse(&req.xsinfo.reqid, &argc, &argv); | |
fb7399b2 | 342 | } else if (strcmp(*argv, "seq") == 0) { |
343 | NEXT_ARG(); | |
344 | xfrm_seq_parse(&req.xsinfo.seq, &argc, &argv); | |
eaa34ee3 | 345 | } else if (strcmp(*argv, "replay-window") == 0) { |
346 | NEXT_ARG(); | |
0151b56d | 347 | if (get_u32(&replay_window, *argv, 0)) |
e8740e42 | 348 | invarg("value after \"replay-window\" is invalid", *argv); |
de95ae7c HX |
349 | } else if (strcmp(*argv, "replay-seq") == 0) { |
350 | NEXT_ARG(); | |
0151b56d | 351 | if (get_u32(&seq, *argv, 0)) |
e8740e42 | 352 | invarg("value after \"replay-seq\" is invalid", *argv); |
0151b56d | 353 | } else if (strcmp(*argv, "replay-seq-hi") == 0) { |
354 | NEXT_ARG(); | |
355 | if (get_u32(&seq_hi, *argv, 0)) | |
356 | invarg("value after \"replay-seq-hi\" is invalid", *argv); | |
de95ae7c HX |
357 | } else if (strcmp(*argv, "replay-oseq") == 0) { |
358 | NEXT_ARG(); | |
0151b56d | 359 | if (get_u32(&oseq, *argv, 0)) |
e8740e42 | 360 | invarg("value after \"replay-oseq\" is invalid", *argv); |
0151b56d | 361 | } else if (strcmp(*argv, "replay-oseq-hi") == 0) { |
362 | NEXT_ARG(); | |
363 | if (get_u32(&oseq_hi, *argv, 0)) | |
364 | invarg("value after \"replay-oseq-hi\" is invalid", *argv); | |
c7699875 | 365 | } else if (strcmp(*argv, "flag") == 0) { |
366 | NEXT_ARG(); | |
367 | xfrm_state_flag_parse(&req.xsinfo.flags, &argc, &argv); | |
dc8867d0 ND |
368 | } else if (strcmp(*argv, "extra-flag") == 0) { |
369 | NEXT_ARG(); | |
370 | xfrm_state_extra_flag_parse(&extra_flags, &argc, &argv); | |
c7699875 | 371 | } else if (strcmp(*argv, "sel") == 0) { |
372 | NEXT_ARG(); | |
23d5b0d5 | 373 | preferred_family = AF_UNSPEC; |
c7699875 | 374 | xfrm_selector_parse(&req.xsinfo.sel, &argc, &argv); |
0c5982fd | 375 | preferred_family = req.xsinfo.sel.family; |
c7699875 | 376 | } else if (strcmp(*argv, "limit") == 0) { |
377 | NEXT_ARG(); | |
378 | xfrm_lifetime_cfg_parse(&req.xsinfo.lft, &argc, &argv); | |
5cf576d9 SH |
379 | } else if (strcmp(*argv, "encap") == 0) { |
380 | struct xfrm_encap_tmpl encap; | |
381 | inet_prefix oa; | |
56f5daac | 382 | NEXT_ARG(); |
5cf576d9 SH |
383 | xfrm_encap_type_parse(&encap.encap_type, &argc, &argv); |
384 | NEXT_ARG(); | |
9f7401fa | 385 | if (get_be16(&encap.encap_sport, *argv, 0)) |
e8740e42 | 386 | invarg("SPORT value after \"encap\" is invalid", *argv); |
5cf576d9 | 387 | NEXT_ARG(); |
9f7401fa | 388 | if (get_be16(&encap.encap_dport, *argv, 0)) |
e8740e42 | 389 | invarg("DPORT value after \"encap\" is invalid", *argv); |
5cf576d9 SH |
390 | NEXT_ARG(); |
391 | get_addr(&oa, *argv, AF_UNSPEC); | |
392 | memcpy(&encap.encap_oa, &oa.data, sizeof(encap.encap_oa)); | |
393 | addattr_l(&req.n, sizeof(req.buf), XFRMA_ENCAP, | |
394 | (void *)&encap, sizeof(encap)); | |
7ea4f5d3 MN |
395 | } else if (strcmp(*argv, "coa") == 0) { |
396 | inet_prefix coa; | |
d17b136f | 397 | xfrm_address_t xcoa = {}; |
7ea4f5d3 MN |
398 | |
399 | if (coap) | |
400 | duparg("coa", *argv); | |
401 | coap = *argv; | |
402 | ||
403 | NEXT_ARG(); | |
404 | ||
405 | get_prefix(&coa, *argv, preferred_family); | |
406 | if (coa.family == AF_UNSPEC) | |
e8740e42 | 407 | invarg("value after \"coa\" has an unrecognized address family", *argv); |
7ea4f5d3 | 408 | if (coa.bytelen > sizeof(xcoa)) |
e8740e42 | 409 | invarg("value after \"coa\" is too large", *argv); |
7ea4f5d3 | 410 | |
7ea4f5d3 MN |
411 | memcpy(&xcoa, &coa.data, coa.bytelen); |
412 | ||
413 | addattr_l(&req.n, sizeof(req.buf), XFRMA_COADDR, | |
414 | (void *)&xcoa, sizeof(xcoa)); | |
0c7a5945 JL |
415 | } else if (strcmp(*argv, "ctx") == 0) { |
416 | char *context; | |
417 | ||
418 | if (sctxp) | |
419 | duparg("ctx", *argv); | |
420 | sctxp = *argv; | |
421 | ||
422 | NEXT_ARG(); | |
423 | context = *argv; | |
424 | ||
425 | xfrm_sctx_parse((char *)&ctx.str, context, &ctx.sctx); | |
426 | addattr_l(&req.n, sizeof(req.buf), XFRMA_SEC_CTX, | |
427 | (void *)&ctx, ctx.sctx.len); | |
cfd2e727 BP |
428 | } else if (strcmp(*argv, "offload") == 0) { |
429 | is_offload = true; | |
430 | NEXT_ARG(); | |
431 | if (strcmp(*argv, "dev") == 0) { | |
432 | NEXT_ARG(); | |
433 | ifindex = ll_name_to_index(*argv); | |
434 | if (!ifindex) { | |
435 | invarg("value after \"offload dev\" is invalid", *argv); | |
436 | is_offload = false; | |
437 | } | |
438 | NEXT_ARG(); | |
439 | } | |
440 | if (strcmp(*argv, "dir") == 0) { | |
441 | NEXT_ARG(); | |
442 | xfrm_offload_dir_parse(&dir, &argc, &argv); | |
443 | } else { | |
444 | invarg("value after \"offload dir\" is invalid", *argv); | |
445 | is_offload = false; | |
446 | } | |
2ecb61a0 SAK |
447 | } else if (strcmp(*argv, "output-mark") == 0) { |
448 | NEXT_ARG(); | |
449 | if (get_u32(&output_mark, *argv, 0)) | |
450 | invarg("value after \"output-mark\" is invalid", *argv); | |
aed63ae1 EB |
451 | } else if (strcmp(*argv, "if_id") == 0) { |
452 | NEXT_ARG(); | |
453 | if (get_u32(&if_id, *argv, 0)) | |
454 | invarg("value after \"if_id\" is invalid", *argv); | |
455 | is_if_id_set = true; | |
c7699875 | 456 | } else { |
7809c616 | 457 | /* try to assume ALGO */ |
458 | int type = xfrm_algotype_getbyname(*argv); | |
56f5daac | 459 | |
7809c616 | 460 | switch (type) { |
1758a81f | 461 | case XFRMA_ALG_AEAD: |
7809c616 | 462 | case XFRMA_ALG_CRYPT: |
463 | case XFRMA_ALG_AUTH: | |
f323f2a3 | 464 | case XFRMA_ALG_AUTH_TRUNC: |
7809c616 | 465 | case XFRMA_ALG_COMP: |
466 | { | |
467 | /* ALGO */ | |
468 | struct { | |
1758a81f HX |
469 | union { |
470 | struct xfrm_algo alg; | |
471 | struct xfrm_algo_aead aead; | |
f323f2a3 | 472 | struct xfrm_algo_auth auth; |
1758a81f | 473 | } u; |
7809c616 | 474 | char buf[XFRM_ALGO_KEY_BUF_SIZE]; |
1758a81f | 475 | } alg = {}; |
7809c616 | 476 | int len; |
f323f2a3 | 477 | __u32 icvlen, trunclen; |
7809c616 | 478 | char *name; |
f3b9aa3d | 479 | char *key = ""; |
1758a81f | 480 | char *buf; |
7809c616 | 481 | |
482 | switch (type) { | |
1758a81f | 483 | case XFRMA_ALG_AEAD: |
ec839527 | 484 | if (ealgop || aalgop || aeadop) |
cbec0219 | 485 | duparg("ALGO-TYPE", *argv); |
1758a81f HX |
486 | aeadop = *argv; |
487 | break; | |
7809c616 | 488 | case XFRMA_ALG_CRYPT: |
ec839527 | 489 | if (ealgop || aeadop) |
cbec0219 | 490 | duparg("ALGO-TYPE", *argv); |
7809c616 | 491 | ealgop = *argv; |
492 | break; | |
493 | case XFRMA_ALG_AUTH: | |
f323f2a3 | 494 | case XFRMA_ALG_AUTH_TRUNC: |
ec839527 | 495 | if (aalgop || aeadop) |
cbec0219 | 496 | duparg("ALGO-TYPE", *argv); |
7809c616 | 497 | aalgop = *argv; |
498 | break; | |
499 | case XFRMA_ALG_COMP: | |
500 | if (calgop) | |
cbec0219 | 501 | duparg("ALGO-TYPE", *argv); |
7809c616 | 502 | calgop = *argv; |
503 | break; | |
504 | default: | |
505 | /* not reached */ | |
e8740e42 | 506 | invarg("ALGO-TYPE value is invalid\n", *argv); |
7809c616 | 507 | } |
508 | ||
509 | if (!NEXT_ARG_OK()) | |
cbec0219 | 510 | missarg("ALGO-NAME"); |
7809c616 | 511 | NEXT_ARG(); |
512 | name = *argv; | |
513 | ||
f3b9aa3d DW |
514 | switch (type) { |
515 | case XFRMA_ALG_AEAD: | |
516 | case XFRMA_ALG_CRYPT: | |
517 | case XFRMA_ALG_AUTH: | |
518 | case XFRMA_ALG_AUTH_TRUNC: | |
519 | if (!NEXT_ARG_OK()) | |
29665f92 | 520 | missarg("ALGO-KEYMAT"); |
f3b9aa3d DW |
521 | NEXT_ARG(); |
522 | key = *argv; | |
523 | break; | |
524 | } | |
7809c616 | 525 | |
1758a81f HX |
526 | buf = alg.u.alg.alg_key; |
527 | len = sizeof(alg.u.alg); | |
528 | ||
f323f2a3 ND |
529 | switch (type) { |
530 | case XFRMA_ALG_AEAD: | |
531 | if (!NEXT_ARG_OK()) | |
cbec0219 | 532 | missarg("ALGO-ICV-LEN"); |
f323f2a3 ND |
533 | NEXT_ARG(); |
534 | if (get_u32(&icvlen, *argv, 0)) | |
e8740e42 | 535 | invarg("ALGO-ICV-LEN value is invalid", |
f323f2a3 ND |
536 | *argv); |
537 | alg.u.aead.alg_icv_len = icvlen; | |
538 | ||
539 | buf = alg.u.aead.alg_key; | |
540 | len = sizeof(alg.u.aead); | |
541 | break; | |
542 | case XFRMA_ALG_AUTH_TRUNC: | |
543 | if (!NEXT_ARG_OK()) | |
cbec0219 | 544 | missarg("ALGO-TRUNC-LEN"); |
f323f2a3 ND |
545 | NEXT_ARG(); |
546 | if (get_u32(&trunclen, *argv, 0)) | |
e8740e42 | 547 | invarg("ALGO-TRUNC-LEN value is invalid", |
f323f2a3 ND |
548 | *argv); |
549 | alg.u.auth.alg_trunc_len = trunclen; | |
550 | ||
551 | buf = alg.u.auth.alg_key; | |
552 | len = sizeof(alg.u.auth); | |
553 | break; | |
554 | } | |
7809c616 | 555 | |
556 | xfrm_algo_parse((void *)&alg, type, name, key, | |
1758a81f | 557 | buf, sizeof(alg.buf)); |
4c0939a2 | 558 | len += alg.u.alg.alg_key_len / 8; |
7809c616 | 559 | |
560 | addattr_l(&req.n, sizeof(req.buf), type, | |
561 | (void *)&alg, len); | |
562 | break; | |
563 | } | |
564 | default: | |
565 | /* try to assume ID */ | |
566 | if (idp) | |
567 | invarg("unknown", *argv); | |
568 | idp = *argv; | |
569 | ||
570 | /* ID */ | |
571 | xfrm_id_parse(&req.xsinfo.saddr, &req.xsinfo.id, | |
572 | &req.xsinfo.family, 0, &argc, &argv); | |
573 | if (preferred_family == AF_UNSPEC) | |
574 | preferred_family = req.xsinfo.family; | |
575 | } | |
c7699875 | 576 | } |
577 | argc--; argv++; | |
578 | } | |
579 | ||
0151b56d | 580 | if (req.xsinfo.flags & XFRM_STATE_ESN && |
581 | replay_window == 0) { | |
582 | fprintf(stderr, "Error: esn flag set without replay-window.\n"); | |
583 | exit(-1); | |
584 | } | |
585 | ||
586 | if (replay_window > XFRMA_REPLAY_ESN_MAX) { | |
587 | fprintf(stderr, | |
588 | "Error: replay-window (%u) > XFRMA_REPLAY_ESN_MAX (%u).\n", | |
589 | replay_window, XFRMA_REPLAY_ESN_MAX); | |
590 | exit(-1); | |
591 | } | |
592 | ||
cfd2e727 BP |
593 | if (is_offload) { |
594 | xuo.ifindex = ifindex; | |
595 | xuo.flags = dir; | |
596 | addattr_l(&req.n, sizeof(req.buf), XFRMA_OFFLOAD_DEV, &xuo, | |
597 | sizeof(xuo)); | |
598 | } | |
0151b56d | 599 | if (req.xsinfo.flags & XFRM_STATE_ESN || |
600 | replay_window > (sizeof(replay.bitmap) * 8)) { | |
601 | replay_esn.seq = seq; | |
602 | replay_esn.oseq = oseq; | |
603 | replay_esn.seq_hi = seq_hi; | |
604 | replay_esn.oseq_hi = oseq_hi; | |
605 | replay_esn.replay_window = replay_window; | |
606 | replay_esn.bmp_len = (replay_window + sizeof(__u32) * 8 - 1) / | |
607 | (sizeof(__u32) * 8); | |
608 | addattr_l(&req.n, sizeof(req.buf), XFRMA_REPLAY_ESN_VAL, | |
609 | &replay_esn, sizeof(replay_esn)); | |
610 | } else { | |
611 | if (seq || oseq) { | |
612 | replay.seq = seq; | |
613 | replay.oseq = oseq; | |
614 | addattr_l(&req.n, sizeof(req.buf), XFRMA_REPLAY_VAL, | |
615 | &replay, sizeof(replay)); | |
616 | } | |
617 | req.xsinfo.replay_window = replay_window; | |
618 | } | |
de95ae7c | 619 | |
dc8867d0 ND |
620 | if (extra_flags) |
621 | addattr32(&req.n, sizeof(req.buf), XFRMA_SA_EXTRA_FLAGS, | |
622 | extra_flags); | |
623 | ||
c7699875 | 624 | if (!idp) { |
e8740e42 | 625 | fprintf(stderr, "Not enough information: ID is required\n"); |
c7699875 | 626 | exit(1); |
627 | } | |
628 | ||
b5574165 | 629 | if (mark.m) { |
c90cda94 JHS |
630 | int r = addattr_l(&req.n, sizeof(req.buf), XFRMA_MARK, |
631 | (void *)&mark, sizeof(mark)); | |
632 | if (r < 0) { | |
633 | fprintf(stderr, "XFRMA_MARK failed\n"); | |
634 | exit(1); | |
635 | } | |
636 | } | |
637 | ||
aed63ae1 EB |
638 | if (is_if_id_set) |
639 | addattr32(&req.n, sizeof(req.buf), XFRMA_IF_ID, if_id); | |
640 | ||
6128fdfd DW |
641 | if (xfrm_xfrmproto_is_ipsec(req.xsinfo.id.proto)) { |
642 | switch (req.xsinfo.mode) { | |
643 | case XFRM_MODE_TRANSPORT: | |
644 | case XFRM_MODE_TUNNEL: | |
645 | break; | |
646 | case XFRM_MODE_BEET: | |
647 | if (req.xsinfo.id.proto == IPPROTO_ESP) | |
648 | break; | |
649 | default: | |
650 | fprintf(stderr, "MODE value is invalid with XFRM-PROTO value \"%s\"\n", | |
7ea4f5d3 MN |
651 | strxf_xfrmproto(req.xsinfo.id.proto)); |
652 | exit(1); | |
653 | } | |
6128fdfd DW |
654 | |
655 | switch (req.xsinfo.id.proto) { | |
656 | case IPPROTO_ESP: | |
657 | if (calgop) { | |
658 | fprintf(stderr, "ALGO-TYPE value \"%s\" is invalid with XFRM-PROTO value \"%s\"\n", | |
659 | strxf_algotype(XFRMA_ALG_COMP), | |
660 | strxf_xfrmproto(req.xsinfo.id.proto)); | |
661 | exit(1); | |
662 | } | |
663 | if (!ealgop && !aeadop) { | |
664 | fprintf(stderr, "ALGO-TYPE value \"%s\" or \"%s\" is required with XFRM-PROTO value \"%s\"\n", | |
665 | strxf_algotype(XFRMA_ALG_CRYPT), | |
666 | strxf_algotype(XFRMA_ALG_AEAD), | |
667 | strxf_xfrmproto(req.xsinfo.id.proto)); | |
668 | exit(1); | |
669 | } | |
670 | break; | |
671 | case IPPROTO_AH: | |
672 | if (ealgop || aeadop || calgop) { | |
673 | fprintf(stderr, "ALGO-TYPE values \"%s\", \"%s\", and \"%s\" are invalid with XFRM-PROTO value \"%s\"\n", | |
674 | strxf_algotype(XFRMA_ALG_CRYPT), | |
675 | strxf_algotype(XFRMA_ALG_AEAD), | |
676 | strxf_algotype(XFRMA_ALG_COMP), | |
677 | strxf_xfrmproto(req.xsinfo.id.proto)); | |
678 | exit(1); | |
679 | } | |
680 | if (!aalgop) { | |
681 | fprintf(stderr, "ALGO-TYPE value \"%s\" or \"%s\" is required with XFRM-PROTO value \"%s\"\n", | |
682 | strxf_algotype(XFRMA_ALG_AUTH), | |
683 | strxf_algotype(XFRMA_ALG_AUTH_TRUNC), | |
684 | strxf_xfrmproto(req.xsinfo.id.proto)); | |
685 | exit(1); | |
686 | } | |
687 | break; | |
688 | case IPPROTO_COMP: | |
689 | if (ealgop || aalgop || aeadop) { | |
690 | fprintf(stderr, "ALGO-TYPE values \"%s\", \"%s\", \"%s\", and \"%s\" are invalid with XFRM-PROTO value \"%s\"\n", | |
691 | strxf_algotype(XFRMA_ALG_CRYPT), | |
692 | strxf_algotype(XFRMA_ALG_AUTH), | |
693 | strxf_algotype(XFRMA_ALG_AUTH_TRUNC), | |
694 | strxf_algotype(XFRMA_ALG_AEAD), | |
695 | strxf_xfrmproto(req.xsinfo.id.proto)); | |
696 | exit(1); | |
697 | } | |
698 | if (!calgop) { | |
699 | fprintf(stderr, "ALGO-TYPE value \"%s\" is required with XFRM-PROTO value \"%s\"\n", | |
700 | strxf_algotype(XFRMA_ALG_COMP), | |
701 | strxf_xfrmproto(req.xsinfo.id.proto)); | |
702 | exit(1); | |
703 | } | |
704 | break; | |
705 | } | |
706 | } else { | |
707 | if (ealgop || aalgop || aeadop || calgop) { | |
708 | fprintf(stderr, "ALGO is invalid with XFRM-PROTO value \"%s\"\n", | |
7ea4f5d3 MN |
709 | strxf_xfrmproto(req.xsinfo.id.proto)); |
710 | exit(1); | |
711 | } | |
7ea4f5d3 MN |
712 | } |
713 | ||
6128fdfd DW |
714 | if (xfrm_xfrmproto_is_ro(req.xsinfo.id.proto)) { |
715 | switch (req.xsinfo.mode) { | |
716 | case XFRM_MODE_ROUTEOPTIMIZATION: | |
717 | case XFRM_MODE_IN_TRIGGER: | |
718 | break; | |
719 | case 0: | |
720 | fprintf(stderr, "\"mode\" is required with XFRM-PROTO value \"%s\"\n", | |
7ea4f5d3 MN |
721 | strxf_xfrmproto(req.xsinfo.id.proto)); |
722 | exit(1); | |
6128fdfd DW |
723 | default: |
724 | fprintf(stderr, "MODE value is invalid with XFRM-PROTO value \"%s\"\n", | |
7ea4f5d3 | 725 | strxf_xfrmproto(req.xsinfo.id.proto)); |
6128fdfd | 726 | exit(1); |
7ea4f5d3 | 727 | } |
7ea4f5d3 | 728 | |
6128fdfd DW |
729 | if (!coap) { |
730 | fprintf(stderr, "\"coa\" is required with XFRM-PROTO value \"%s\"\n", | |
7ea4f5d3 | 731 | strxf_xfrmproto(req.xsinfo.id.proto)); |
c7699875 | 732 | exit(1); |
733 | } | |
734 | } else { | |
6128fdfd DW |
735 | if (coap) { |
736 | fprintf(stderr, "\"coa\" is invalid with XFRM-PROTO value \"%s\"\n", | |
7ea4f5d3 | 737 | strxf_xfrmproto(req.xsinfo.id.proto)); |
6128fdfd | 738 | exit(1); |
c7699875 | 739 | } |
740 | } | |
741 | ||
2ecb61a0 SAK |
742 | if (output_mark) |
743 | addattr32(&req.n, sizeof(req.buf), XFRMA_OUTPUT_MARK, output_mark); | |
744 | ||
c7699875 | 745 | if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0) |
746 | exit(1); | |
747 | ||
748 | if (req.xsinfo.family == AF_UNSPEC) | |
749 | req.xsinfo.family = AF_INET; | |
750 | ||
86bf43c7 | 751 | if (rtnl_talk(&rth, &req.n, NULL) < 0) |
c7699875 | 752 | exit(2); |
753 | ||
754 | rtnl_close(&rth); | |
755 | ||
756 | return 0; | |
757 | } | |
758 | ||
fb7399b2 | 759 | static int xfrm_state_allocspi(int argc, char **argv) |
760 | { | |
761 | struct rtnl_handle rth; | |
762 | struct { | |
4806867a | 763 | struct nlmsghdr n; |
fb7399b2 | 764 | struct xfrm_userspi_info xspi; |
56f5daac | 765 | char buf[RTA_BUF_SIZE]; |
d17b136f PS |
766 | } req = { |
767 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xspi)), | |
768 | .n.nlmsg_flags = NLM_F_REQUEST, | |
769 | .n.nlmsg_type = XFRM_MSG_ALLOCSPI, | |
770 | .xspi.info.family = preferred_family, | |
771 | #if 0 | |
772 | .xspi.lft.soft_byte_limit = XFRM_INF, | |
773 | .xspi.lft.hard_byte_limit = XFRM_INF, | |
774 | .xspi.lft.soft_packet_limit = XFRM_INF, | |
775 | .xspi.lft.hard_packet_limit = XFRM_INF, | |
776 | #endif | |
777 | }; | |
fb7399b2 | 778 | char *idp = NULL; |
779 | char *minp = NULL; | |
780 | char *maxp = NULL; | |
c90cda94 | 781 | struct xfrm_mark mark = {0, 0}; |
86bf43c7 | 782 | struct nlmsghdr *answer; |
fb7399b2 | 783 | |
fb7399b2 | 784 | while (argc > 0) { |
785 | if (strcmp(*argv, "mode") == 0) { | |
786 | NEXT_ARG(); | |
787 | xfrm_mode_parse(&req.xspi.info.mode, &argc, &argv); | |
c90cda94 JHS |
788 | } else if (strcmp(*argv, "mark") == 0) { |
789 | xfrm_parse_mark(&mark, &argc, &argv); | |
fb7399b2 | 790 | } else if (strcmp(*argv, "reqid") == 0) { |
791 | NEXT_ARG(); | |
792 | xfrm_reqid_parse(&req.xspi.info.reqid, &argc, &argv); | |
793 | } else if (strcmp(*argv, "seq") == 0) { | |
794 | NEXT_ARG(); | |
795 | xfrm_seq_parse(&req.xspi.info.seq, &argc, &argv); | |
796 | } else if (strcmp(*argv, "min") == 0) { | |
797 | if (minp) | |
798 | duparg("min", *argv); | |
799 | minp = *argv; | |
800 | ||
801 | NEXT_ARG(); | |
802 | ||
803 | if (get_u32(&req.xspi.min, *argv, 0)) | |
e8740e42 | 804 | invarg("value after \"min\" is invalid", *argv); |
fb7399b2 | 805 | } else if (strcmp(*argv, "max") == 0) { |
806 | if (maxp) | |
807 | duparg("max", *argv); | |
808 | maxp = *argv; | |
809 | ||
810 | NEXT_ARG(); | |
811 | ||
812 | if (get_u32(&req.xspi.max, *argv, 0)) | |
e8740e42 | 813 | invarg("value after \"max\" is invalid", *argv); |
fb7399b2 | 814 | } else { |
815 | /* try to assume ID */ | |
816 | if (idp) | |
817 | invarg("unknown", *argv); | |
818 | idp = *argv; | |
819 | ||
820 | /* ID */ | |
821 | xfrm_id_parse(&req.xspi.info.saddr, &req.xspi.info.id, | |
822 | &req.xspi.info.family, 0, &argc, &argv); | |
823 | if (req.xspi.info.id.spi) { | |
e8740e42 | 824 | fprintf(stderr, "\"spi\" is invalid\n"); |
fb7399b2 | 825 | exit(1); |
826 | } | |
827 | if (preferred_family == AF_UNSPEC) | |
828 | preferred_family = req.xspi.info.family; | |
829 | } | |
830 | argc--; argv++; | |
831 | } | |
832 | ||
833 | if (!idp) { | |
e8740e42 | 834 | fprintf(stderr, "Not enough information: ID is required\n"); |
fb7399b2 | 835 | exit(1); |
836 | } | |
837 | ||
838 | if (minp) { | |
839 | if (!maxp) { | |
840 | fprintf(stderr, "\"max\" is missing\n"); | |
841 | exit(1); | |
842 | } | |
843 | if (req.xspi.min > req.xspi.max) { | |
e8740e42 | 844 | fprintf(stderr, "value after \"min\" is larger than value after \"max\"\n"); |
fb7399b2 | 845 | exit(1); |
846 | } | |
847 | } else { | |
848 | if (maxp) { | |
849 | fprintf(stderr, "\"min\" is missing\n"); | |
850 | exit(1); | |
851 | } | |
852 | ||
853 | /* XXX: Default value defined in PF_KEY; | |
854 | * See kernel's net/key/af_key.c(pfkey_getspi). | |
855 | */ | |
856 | req.xspi.min = 0x100; | |
857 | req.xspi.max = 0x0fffffff; | |
858 | ||
859 | /* XXX: IPCOMP spi is 16-bits; | |
860 | * See kernel's net/xfrm/xfrm_user(verify_userspi_info). | |
861 | */ | |
862 | if (req.xspi.info.id.proto == IPPROTO_COMP) | |
863 | req.xspi.max = 0xffff; | |
864 | } | |
865 | ||
c90cda94 JHS |
866 | if (mark.m & mark.v) { |
867 | int r = addattr_l(&req.n, sizeof(req.buf), XFRMA_MARK, | |
868 | (void *)&mark, sizeof(mark)); | |
869 | if (r < 0) { | |
870 | fprintf(stderr, "XFRMA_MARK failed\n"); | |
871 | exit(1); | |
872 | } | |
873 | } | |
874 | ||
fb7399b2 | 875 | if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0) |
876 | exit(1); | |
877 | ||
878 | if (req.xspi.info.family == AF_UNSPEC) | |
879 | req.xspi.info.family = AF_INET; | |
880 | ||
881 | ||
86bf43c7 | 882 | if (rtnl_talk(&rth, &req.n, &answer) < 0) |
fb7399b2 | 883 | exit(2); |
884 | ||
cd554f2c | 885 | if (xfrm_state_print(answer, (void *)stdout) < 0) { |
fb7399b2 | 886 | fprintf(stderr, "An error :-)\n"); |
887 | exit(1); | |
888 | } | |
889 | ||
86bf43c7 | 890 | free(answer); |
fb7399b2 | 891 | rtnl_close(&rth); |
892 | ||
893 | return 0; | |
894 | } | |
895 | ||
c7699875 | 896 | static int xfrm_state_filter_match(struct xfrm_usersa_info *xsinfo) |
897 | { | |
898 | if (!filter.use) | |
899 | return 1; | |
900 | ||
901 | if (filter.id_src_mask) | |
eaa34ee3 | 902 | if (xfrm_addr_match(&xsinfo->saddr, &filter.xsinfo.saddr, |
903 | filter.id_src_mask)) | |
c7699875 | 904 | return 0; |
905 | if (filter.id_dst_mask) | |
eaa34ee3 | 906 | if (xfrm_addr_match(&xsinfo->id.daddr, &filter.xsinfo.id.daddr, |
907 | filter.id_dst_mask)) | |
c7699875 | 908 | return 0; |
909 | if ((xsinfo->id.proto^filter.xsinfo.id.proto)&filter.id_proto_mask) | |
910 | return 0; | |
911 | if ((xsinfo->id.spi^filter.xsinfo.id.spi)&filter.id_spi_mask) | |
912 | return 0; | |
913 | if ((xsinfo->mode^filter.xsinfo.mode)&filter.mode_mask) | |
914 | return 0; | |
915 | if ((xsinfo->reqid^filter.xsinfo.reqid)&filter.reqid_mask) | |
916 | return 0; | |
917 | if (filter.state_flags_mask) | |
918 | if ((xsinfo->flags & filter.xsinfo.flags) == 0) | |
919 | return 0; | |
920 | ||
921 | return 1; | |
922 | } | |
923 | ||
a6af9f2e | 924 | static int __do_xfrm_state_print(struct nlmsghdr *n, void *arg, bool nokeys) |
c7699875 | 925 | { |
56f5daac SH |
926 | FILE *fp = (FILE *)arg; |
927 | struct rtattr *tb[XFRMA_MAX+1]; | |
928 | struct rtattr *rta; | |
c595c790 SH |
929 | struct xfrm_usersa_info *xsinfo = NULL; |
930 | struct xfrm_user_expire *xexp = NULL; | |
931 | struct xfrm_usersa_id *xsid = NULL; | |
932 | int len = n->nlmsg_len; | |
c7699875 | 933 | |
934 | if (n->nlmsg_type != XFRM_MSG_NEWSA && | |
90f93024 | 935 | n->nlmsg_type != XFRM_MSG_DELSA && |
669ae748 | 936 | n->nlmsg_type != XFRM_MSG_UPDSA && |
90f93024 | 937 | n->nlmsg_type != XFRM_MSG_EXPIRE) { |
c7699875 | 938 | fprintf(stderr, "Not a state: %08x %08x %08x\n", |
939 | n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags); | |
940 | return 0; | |
941 | } | |
942 | ||
669ae748 | 943 | if (n->nlmsg_type == XFRM_MSG_DELSA) { |
94b0c901 | 944 | /* Don't blame me for this .. Herbert made me do it */ |
669ae748 | 945 | xsid = NLMSG_DATA(n); |
af1b6a41 | 946 | len -= NLMSG_SPACE(sizeof(*xsid)); |
669ae748 | 947 | } else if (n->nlmsg_type == XFRM_MSG_EXPIRE) { |
90f93024 SH |
948 | xexp = NLMSG_DATA(n); |
949 | xsinfo = &xexp->state; | |
af1b6a41 | 950 | len -= NLMSG_SPACE(sizeof(*xexp)); |
90f93024 SH |
951 | } else { |
952 | xexp = NULL; | |
953 | xsinfo = NLMSG_DATA(n); | |
af1b6a41 | 954 | len -= NLMSG_SPACE(sizeof(*xsinfo)); |
90f93024 SH |
955 | } |
956 | ||
c7699875 | 957 | if (len < 0) { |
958 | fprintf(stderr, "BUG: wrong nlmsg len %d\n", len); | |
959 | return -1; | |
960 | } | |
961 | ||
669ae748 | 962 | if (xsinfo && !xfrm_state_filter_match(xsinfo)) |
c7699875 | 963 | return 0; |
964 | ||
669ae748 | 965 | if (n->nlmsg_type == XFRM_MSG_DELSA) |
c595c790 | 966 | fprintf(fp, "Deleted "); |
669ae748 SH |
967 | else if (n->nlmsg_type == XFRM_MSG_UPDSA) |
968 | fprintf(fp, "Updated "); | |
c595c790 SH |
969 | else if (n->nlmsg_type == XFRM_MSG_EXPIRE) |
970 | fprintf(fp, "Expired "); | |
971 | ||
669ae748 SH |
972 | if (n->nlmsg_type == XFRM_MSG_DELSA) |
973 | rta = XFRMSID_RTA(xsid); | |
974 | else if (n->nlmsg_type == XFRM_MSG_EXPIRE) | |
90f93024 | 975 | rta = XFRMEXP_RTA(xexp); |
ae665a52 | 976 | else |
90f93024 SH |
977 | rta = XFRMS_RTA(xsinfo); |
978 | ||
979 | parse_rtattr(tb, XFRMA_MAX, rta, len); | |
c7699875 | 980 | |
c595c790 | 981 | if (n->nlmsg_type == XFRM_MSG_DELSA) { |
56f5daac | 982 | /* xfrm_policy_id_print(); */ |
669ae748 SH |
983 | |
984 | if (!tb[XFRMA_SA]) { | |
985 | fprintf(stderr, "Buggy XFRM_MSG_DELSA: no XFRMA_SA\n"); | |
986 | return -1; | |
987 | } | |
988 | if (RTA_PAYLOAD(tb[XFRMA_SA]) < sizeof(*xsinfo)) { | |
989 | fprintf(stderr, "Buggy XFRM_MSG_DELPOLICY: too short XFRMA_POLICY len\n"); | |
990 | return -1; | |
c595c790 | 991 | } |
bdf9e86d | 992 | xsinfo = RTA_DATA(tb[XFRMA_SA]); |
c595c790 | 993 | } |
c7699875 | 994 | |
a6af9f2e | 995 | xfrm_state_info_print(xsinfo, tb, fp, NULL, NULL, nokeys); |
c7699875 | 996 | |
90f93024 SH |
997 | if (n->nlmsg_type == XFRM_MSG_EXPIRE) { |
998 | fprintf(fp, "\t"); | |
999 | fprintf(fp, "hard %u", xexp->hard); | |
1000 | fprintf(fp, "%s", _SL_); | |
1001 | } | |
1002 | ||
7809c616 | 1003 | if (oneline) |
1004 | fprintf(fp, "\n"); | |
669ae748 | 1005 | fflush(fp); |
7809c616 | 1006 | |
c7699875 | 1007 | return 0; |
1008 | } | |
1009 | ||
a6af9f2e BW |
1010 | int xfrm_state_print(struct nlmsghdr *n, void *arg) |
1011 | { | |
1012 | return __do_xfrm_state_print(n, arg, false); | |
1013 | } | |
1014 | ||
1015 | int xfrm_state_print_nokeys(struct nlmsghdr *n, void *arg) | |
1016 | { | |
1017 | return __do_xfrm_state_print(n, arg, true); | |
1018 | } | |
1019 | ||
c7699875 | 1020 | static int xfrm_state_get_or_delete(int argc, char **argv, int delete) |
1021 | { | |
1022 | struct rtnl_handle rth; | |
1023 | struct { | |
4806867a | 1024 | struct nlmsghdr n; |
c7699875 | 1025 | struct xfrm_usersa_id xsid; |
56f5daac | 1026 | char buf[RTA_BUF_SIZE]; |
d17b136f PS |
1027 | } req = { |
1028 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xsid)), | |
1029 | .n.nlmsg_flags = NLM_F_REQUEST, | |
1030 | .n.nlmsg_type = delete ? XFRM_MSG_DELSA : XFRM_MSG_GETSA, | |
1031 | .xsid.family = preferred_family, | |
1032 | }; | |
c7699875 | 1033 | struct xfrm_id id; |
1034 | char *idp = NULL; | |
c90cda94 | 1035 | struct xfrm_mark mark = {0, 0}; |
c7699875 | 1036 | |
c7699875 | 1037 | while (argc > 0) { |
7ea4f5d3 | 1038 | xfrm_address_t saddr; |
c7699875 | 1039 | |
c90cda94 JHS |
1040 | if (strcmp(*argv, "mark") == 0) { |
1041 | xfrm_parse_mark(&mark, &argc, &argv); | |
1042 | } else { | |
1043 | if (idp) | |
1044 | invarg("unknown", *argv); | |
1045 | idp = *argv; | |
c7699875 | 1046 | |
c90cda94 JHS |
1047 | /* ID */ |
1048 | memset(&id, 0, sizeof(id)); | |
1049 | memset(&saddr, 0, sizeof(saddr)); | |
1050 | xfrm_id_parse(&saddr, &id, &req.xsid.family, 0, | |
1051 | &argc, &argv); | |
c7699875 | 1052 | |
c90cda94 JHS |
1053 | memcpy(&req.xsid.daddr, &id.daddr, sizeof(req.xsid.daddr)); |
1054 | req.xsid.spi = id.spi; | |
1055 | req.xsid.proto = id.proto; | |
c7699875 | 1056 | |
c90cda94 JHS |
1057 | addattr_l(&req.n, sizeof(req.buf), XFRMA_SRCADDR, |
1058 | (void *)&saddr, sizeof(saddr)); | |
1059 | } | |
7ea4f5d3 | 1060 | |
c7699875 | 1061 | argc--; argv++; |
1062 | } | |
1063 | ||
c90cda94 JHS |
1064 | if (mark.m & mark.v) { |
1065 | int r = addattr_l(&req.n, sizeof(req.buf), XFRMA_MARK, | |
1066 | (void *)&mark, sizeof(mark)); | |
1067 | if (r < 0) { | |
1068 | fprintf(stderr, "XFRMA_MARK failed\n"); | |
1069 | exit(1); | |
1070 | } | |
1071 | } | |
1072 | ||
c7699875 | 1073 | if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0) |
1074 | exit(1); | |
1075 | ||
1076 | if (req.xsid.family == AF_UNSPEC) | |
1077 | req.xsid.family = AF_INET; | |
1078 | ||
1079 | if (delete) { | |
86bf43c7 | 1080 | if (rtnl_talk(&rth, &req.n, NULL) < 0) |
c7699875 | 1081 | exit(2); |
1082 | } else { | |
86bf43c7 | 1083 | struct nlmsghdr *answer; |
c7699875 | 1084 | |
86bf43c7 | 1085 | if (rtnl_talk(&rth, &req.n, &answer) < 0) |
c7699875 | 1086 | exit(2); |
1087 | ||
cd554f2c | 1088 | if (xfrm_state_print(answer, (void *)stdout) < 0) { |
c7699875 | 1089 | fprintf(stderr, "An error :-)\n"); |
1090 | exit(1); | |
1091 | } | |
86bf43c7 HL |
1092 | |
1093 | free(answer); | |
c7699875 | 1094 | } |
1095 | ||
1096 | rtnl_close(&rth); | |
1097 | ||
1098 | return 0; | |
1099 | } | |
1100 | ||
1101 | /* | |
1102 | * With an existing state of nlmsg, make new nlmsg for deleting the state | |
1103 | * and store it to buffer. | |
1104 | */ | |
cd554f2c | 1105 | static int xfrm_state_keep(struct nlmsghdr *n, void *arg) |
c7699875 | 1106 | { |
1107 | struct xfrm_buffer *xb = (struct xfrm_buffer *)arg; | |
1108 | struct rtnl_handle *rth = xb->rth; | |
1109 | struct xfrm_usersa_info *xsinfo = NLMSG_DATA(n); | |
1110 | int len = n->nlmsg_len; | |
1111 | struct nlmsghdr *new_n; | |
1112 | struct xfrm_usersa_id *xsid; | |
0c7d651b | 1113 | struct rtattr *tb[XFRMA_MAX+1]; |
c7699875 | 1114 | |
1115 | if (n->nlmsg_type != XFRM_MSG_NEWSA) { | |
1116 | fprintf(stderr, "Not a state: %08x %08x %08x\n", | |
1117 | n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags); | |
1118 | return 0; | |
1119 | } | |
1120 | ||
1121 | len -= NLMSG_LENGTH(sizeof(*xsinfo)); | |
1122 | if (len < 0) { | |
1123 | fprintf(stderr, "BUG: wrong nlmsg len %d\n", len); | |
1124 | return -1; | |
1125 | } | |
1126 | ||
1127 | if (!xfrm_state_filter_match(xsinfo)) | |
1128 | return 0; | |
1129 | ||
1130 | if (xb->offset > xb->size) { | |
9bec1a43 | 1131 | fprintf(stderr, "State buffer overflow\n"); |
c7699875 | 1132 | return -1; |
1133 | } | |
1134 | ||
1135 | new_n = (struct nlmsghdr *)(xb->buf + xb->offset); | |
1136 | new_n->nlmsg_len = NLMSG_LENGTH(sizeof(*xsid)); | |
1137 | new_n->nlmsg_flags = NLM_F_REQUEST; | |
1138 | new_n->nlmsg_type = XFRM_MSG_DELSA; | |
1139 | new_n->nlmsg_seq = ++rth->seq; | |
1140 | ||
1141 | xsid = NLMSG_DATA(new_n); | |
1142 | xsid->family = xsinfo->family; | |
1143 | memcpy(&xsid->daddr, &xsinfo->id.daddr, sizeof(xsid->daddr)); | |
1144 | xsid->spi = xsinfo->id.spi; | |
1145 | xsid->proto = xsinfo->id.proto; | |
1146 | ||
7ea4f5d3 MN |
1147 | addattr_l(new_n, xb->size, XFRMA_SRCADDR, &xsinfo->saddr, |
1148 | sizeof(xsid->daddr)); | |
1149 | ||
0c7d651b TE |
1150 | parse_rtattr(tb, XFRMA_MAX, XFRMS_RTA(xsinfo), len); |
1151 | ||
1152 | if (tb[XFRMA_MARK]) { | |
1153 | int r = addattr_l(new_n, xb->size, XFRMA_MARK, | |
1154 | (void *)RTA_DATA(tb[XFRMA_MARK]), tb[XFRMA_MARK]->rta_len); | |
1155 | if (r < 0) { | |
1156 | fprintf(stderr, "%s: XFRMA_MARK failed\n", __func__); | |
1157 | exit(1); | |
1158 | } | |
1159 | } | |
1160 | ||
c7699875 | 1161 | xb->offset += new_n->nlmsg_len; |
56f5daac | 1162 | xb->nlmsg_count++; |
c7699875 | 1163 | |
1164 | return 0; | |
1165 | } | |
1166 | ||
9bec1a43 | 1167 | static int xfrm_state_list_or_deleteall(int argc, char **argv, int deleteall) |
c7699875 | 1168 | { |
1169 | char *idp = NULL; | |
1170 | struct rtnl_handle rth; | |
a6af9f2e | 1171 | bool nokeys = false; |
c7699875 | 1172 | |
56f5daac | 1173 | if (argc > 0) |
bd641cd6 | 1174 | filter.use = 1; |
c7699875 | 1175 | filter.xsinfo.family = preferred_family; |
1176 | ||
1177 | while (argc > 0) { | |
a6af9f2e BW |
1178 | if (strcmp(*argv, "nokeys") == 0) { |
1179 | nokeys = true; | |
1180 | } else if (strcmp(*argv, "mode") == 0) { | |
c7699875 | 1181 | NEXT_ARG(); |
1182 | xfrm_mode_parse(&filter.xsinfo.mode, &argc, &argv); | |
1183 | ||
1184 | filter.mode_mask = XFRM_FILTER_MASK_FULL; | |
1185 | ||
1186 | } else if (strcmp(*argv, "reqid") == 0) { | |
1187 | NEXT_ARG(); | |
1188 | xfrm_reqid_parse(&filter.xsinfo.reqid, &argc, &argv); | |
1189 | ||
1190 | filter.reqid_mask = XFRM_FILTER_MASK_FULL; | |
1191 | ||
1192 | } else if (strcmp(*argv, "flag") == 0) { | |
1193 | NEXT_ARG(); | |
1194 | xfrm_state_flag_parse(&filter.xsinfo.flags, &argc, &argv); | |
1195 | ||
1196 | filter.state_flags_mask = XFRM_FILTER_MASK_FULL; | |
1197 | ||
1198 | } else { | |
1199 | if (idp) | |
1200 | invarg("unknown", *argv); | |
1201 | idp = *argv; | |
1202 | ||
1203 | /* ID */ | |
7809c616 | 1204 | xfrm_id_parse(&filter.xsinfo.saddr, &filter.xsinfo.id, |
1205 | &filter.xsinfo.family, 1, &argc, &argv); | |
c7699875 | 1206 | if (preferred_family == AF_UNSPEC) |
1207 | preferred_family = filter.xsinfo.family; | |
1208 | } | |
1209 | argc--; argv++; | |
1210 | } | |
1211 | ||
1212 | if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0) | |
1213 | exit(1); | |
1214 | ||
9bec1a43 | 1215 | if (deleteall) { |
c7699875 | 1216 | struct xfrm_buffer xb; |
9bec1a43 | 1217 | char buf[NLMSG_DELETEALL_BUF_SIZE]; |
c7699875 | 1218 | int i; |
1219 | ||
1220 | xb.buf = buf; | |
1221 | xb.size = sizeof(buf); | |
1222 | xb.rth = &rth; | |
1223 | ||
1224 | for (i = 0; ; i++) { | |
782cf01d ND |
1225 | struct { |
1226 | struct nlmsghdr n; | |
1227 | char buf[NLMSG_BUF_SIZE]; | |
1228 | } req = { | |
1229 | .n.nlmsg_len = NLMSG_HDRLEN, | |
1230 | .n.nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST, | |
1231 | .n.nlmsg_type = XFRM_MSG_GETSA, | |
1232 | .n.nlmsg_seq = rth.dump = ++rth.seq, | |
1233 | }; | |
1234 | ||
c7699875 | 1235 | xb.offset = 0; |
1236 | xb.nlmsg_count = 0; | |
1237 | ||
1238 | if (show_stats > 1) | |
9bec1a43 | 1239 | fprintf(stderr, "Delete-all round = %d\n", i); |
c7699875 | 1240 | |
782cf01d | 1241 | if (rtnl_send(&rth, (void *)&req, req.n.nlmsg_len) < 0) { |
c7699875 | 1242 | perror("Cannot send dump request"); |
1243 | exit(1); | |
1244 | } | |
1245 | ||
cd70f3f5 | 1246 | if (rtnl_dump_filter(&rth, xfrm_state_keep, &xb) < 0) { |
9bec1a43 | 1247 | fprintf(stderr, "Delete-all terminated\n"); |
c7699875 | 1248 | exit(1); |
1249 | } | |
1250 | if (xb.nlmsg_count == 0) { | |
1251 | if (show_stats > 1) | |
9bec1a43 | 1252 | fprintf(stderr, "Delete-all completed\n"); |
c7699875 | 1253 | break; |
1254 | } | |
1255 | ||
f31a37f7 | 1256 | if (rtnl_send_check(&rth, xb.buf, xb.offset) < 0) { |
9bec1a43 | 1257 | perror("Failed to send delete-all request\n"); |
c7699875 | 1258 | exit(1); |
1259 | } | |
1260 | if (show_stats > 1) | |
9bec1a43 | 1261 | fprintf(stderr, "Delete-all nlmsg count = %d\n", xb.nlmsg_count); |
c7699875 | 1262 | |
1263 | xb.offset = 0; | |
1264 | xb.nlmsg_count = 0; | |
1265 | } | |
1266 | ||
1267 | } else { | |
f687d73c ND |
1268 | struct xfrm_address_filter addrfilter = { |
1269 | .saddr = filter.xsinfo.saddr, | |
1270 | .daddr = filter.xsinfo.id.daddr, | |
1271 | .family = filter.xsinfo.family, | |
1272 | .splen = filter.id_src_mask, | |
1273 | .dplen = filter.id_dst_mask, | |
1274 | }; | |
1275 | struct { | |
1276 | struct nlmsghdr n; | |
1277 | char buf[NLMSG_BUF_SIZE]; | |
1278 | } req = { | |
1279 | .n.nlmsg_len = NLMSG_HDRLEN, | |
1280 | .n.nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST, | |
1281 | .n.nlmsg_type = XFRM_MSG_GETSA, | |
1282 | .n.nlmsg_seq = rth.dump = ++rth.seq, | |
1283 | }; | |
1284 | ||
1285 | if (filter.xsinfo.id.proto) | |
1286 | addattr8(&req.n, sizeof(req), XFRMA_PROTO, | |
1287 | filter.xsinfo.id.proto); | |
1288 | addattr_l(&req.n, sizeof(req), XFRMA_ADDRESS_FILTER, | |
1289 | &addrfilter, sizeof(addrfilter)); | |
1290 | ||
1291 | if (rtnl_send(&rth, (void *)&req, req.n.nlmsg_len) < 0) { | |
c7699875 | 1292 | perror("Cannot send dump request"); |
1293 | exit(1); | |
1294 | } | |
1295 | ||
a6af9f2e BW |
1296 | rtnl_filter_t filter = nokeys ? |
1297 | xfrm_state_print_nokeys : xfrm_state_print; | |
1298 | if (rtnl_dump_filter(&rth, filter, stdout) < 0) { | |
c7699875 | 1299 | fprintf(stderr, "Dump terminated\n"); |
1300 | exit(1); | |
1301 | } | |
1302 | } | |
1303 | ||
1304 | rtnl_close(&rth); | |
1305 | ||
1306 | exit(0); | |
1307 | } | |
1308 | ||
d1f28cf1 | 1309 | static int print_sadinfo(struct nlmsghdr *n, void *arg) |
0bb4a4c2 | 1310 | { |
56f5daac | 1311 | FILE *fp = (FILE *)arg; |
0bb4a4c2 | 1312 | __u32 *f = NLMSG_DATA(n); |
1313 | struct rtattr *tb[XFRMA_SAD_MAX+1]; | |
1314 | struct rtattr *rta; | |
0bb4a4c2 | 1315 | int len = n->nlmsg_len; |
1316 | ||
1317 | len -= NLMSG_LENGTH(sizeof(__u32)); | |
1318 | if (len < 0) { | |
1319 | fprintf(stderr, "SADinfo: Wrong len %d\n", len); | |
1320 | return -1; | |
1321 | } | |
1322 | ||
1323 | rta = XFRMSAPD_RTA(f); | |
1324 | parse_rtattr(tb, XFRMA_SAD_MAX, rta, len); | |
1325 | ||
bdf9e86d | 1326 | if (tb[XFRMA_SAD_CNT]) { |
9f1370c0 SH |
1327 | __u32 cnt; |
1328 | ||
56f5daac | 1329 | fprintf(fp, "\t SAD"); |
9f1370c0 SH |
1330 | cnt = rta_getattr_u32(tb[XFRMA_SAD_CNT]); |
1331 | fprintf(fp, " count %u", cnt); | |
0bb4a4c2 | 1332 | } else { |
56f5daac | 1333 | fprintf(fp, "BAD SAD info returned\n"); |
0bb4a4c2 | 1334 | return -1; |
1335 | } | |
1336 | ||
1337 | if (show_stats) { | |
bdf9e86d SH |
1338 | if (tb[XFRMA_SAD_HINFO]) { |
1339 | struct xfrmu_sadhinfo *si; | |
0bb4a4c2 | 1340 | |
bdf9e86d | 1341 | if (RTA_PAYLOAD(tb[XFRMA_SAD_HINFO]) < sizeof(*si)) { |
56f5daac | 1342 | fprintf(fp, "BAD SAD length returned\n"); |
bdf9e86d SH |
1343 | return -1; |
1344 | } | |
0612519e | 1345 | |
bdf9e86d | 1346 | si = RTA_DATA(tb[XFRMA_SAD_HINFO]); |
56f5daac SH |
1347 | fprintf(fp, " (buckets "); |
1348 | fprintf(fp, "count %d", si->sadhcnt); | |
1349 | fprintf(fp, " Max %d", si->sadhmcnt); | |
1350 | fprintf(fp, ")"); | |
bdf9e86d | 1351 | } |
0bb4a4c2 | 1352 | } |
56f5daac | 1353 | fprintf(fp, "\n"); |
0bb4a4c2 | 1354 | |
56f5daac | 1355 | return 0; |
0bb4a4c2 | 1356 | } |
1357 | ||
1358 | static int xfrm_sad_getinfo(int argc, char **argv) | |
1359 | { | |
1360 | struct rtnl_handle rth; | |
1361 | struct { | |
1362 | struct nlmsghdr n; | |
1363 | __u32 flags; | |
d17b136f PS |
1364 | } req = { |
1365 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(req.flags)), | |
1366 | .n.nlmsg_flags = NLM_F_REQUEST, | |
1367 | .n.nlmsg_type = XFRM_MSG_GETSADINFO, | |
1368 | .flags = 0XFFFFFFFF, | |
1369 | }; | |
86bf43c7 | 1370 | struct nlmsghdr *answer; |
0bb4a4c2 | 1371 | |
1372 | if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0) | |
1373 | exit(1); | |
1374 | ||
86bf43c7 | 1375 | if (rtnl_talk(&rth, &req.n, &answer) < 0) |
0bb4a4c2 | 1376 | exit(2); |
1377 | ||
86bf43c7 | 1378 | print_sadinfo(answer, (void *)stdout); |
0bb4a4c2 | 1379 | |
86bf43c7 | 1380 | free(answer); |
0bb4a4c2 | 1381 | rtnl_close(&rth); |
1382 | ||
1383 | return 0; | |
1384 | } | |
1385 | ||
9bec1a43 | 1386 | static int xfrm_state_flush(int argc, char **argv) |
bd641cd6 | 1387 | { |
1388 | struct rtnl_handle rth; | |
1389 | struct { | |
1390 | struct nlmsghdr n; | |
1391 | struct xfrm_usersa_flush xsf; | |
d17b136f PS |
1392 | } req = { |
1393 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xsf)), | |
1394 | .n.nlmsg_flags = NLM_F_REQUEST, | |
1395 | .n.nlmsg_type = XFRM_MSG_FLUSHSA, | |
1396 | }; | |
9bec1a43 | 1397 | char *protop = NULL; |
bd641cd6 | 1398 | |
9bec1a43 SH |
1399 | while (argc > 0) { |
1400 | if (strcmp(*argv, "proto") == 0) { | |
1401 | int ret; | |
1402 | ||
1403 | if (protop) | |
1404 | duparg("proto", *argv); | |
1405 | protop = *argv; | |
1406 | ||
1407 | NEXT_ARG(); | |
1408 | ||
1409 | ret = xfrm_xfrmproto_getbyname(*argv); | |
1410 | if (ret < 0) | |
e8740e42 | 1411 | invarg("XFRM-PROTO value is invalid", *argv); |
9bec1a43 SH |
1412 | |
1413 | req.xsf.proto = (__u8)ret; | |
1414 | } else | |
1415 | invarg("unknown", *argv); | |
1416 | ||
1417 | argc--; argv++; | |
1418 | } | |
1419 | ||
bd641cd6 | 1420 | if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0) |
1421 | exit(1); | |
1422 | ||
1423 | if (show_stats > 1) | |
e8740e42 | 1424 | fprintf(stderr, "Flush state with XFRM-PROTO value \"%s\"\n", |
9bec1a43 | 1425 | strxf_xfrmproto(req.xsf.proto)); |
bd641cd6 | 1426 | |
86bf43c7 | 1427 | if (rtnl_talk(&rth, &req.n, NULL) < 0) |
bd641cd6 | 1428 | exit(2); |
1429 | ||
1430 | rtnl_close(&rth); | |
1431 | ||
1432 | return 0; | |
1433 | } | |
1434 | ||
c7699875 | 1435 | int do_xfrm_state(int argc, char **argv) |
1436 | { | |
1437 | if (argc < 1) | |
9bec1a43 | 1438 | return xfrm_state_list_or_deleteall(0, NULL, 0); |
c7699875 | 1439 | |
1440 | if (matches(*argv, "add") == 0) | |
1441 | return xfrm_state_modify(XFRM_MSG_NEWSA, 0, | |
1442 | argc-1, argv+1); | |
1443 | if (matches(*argv, "update") == 0) | |
1444 | return xfrm_state_modify(XFRM_MSG_UPDSA, 0, | |
1445 | argc-1, argv+1); | |
fb7399b2 | 1446 | if (matches(*argv, "allocspi") == 0) |
1447 | return xfrm_state_allocspi(argc-1, argv+1); | |
9bec1a43 | 1448 | if (matches(*argv, "delete") == 0) |
c7699875 | 1449 | return xfrm_state_get_or_delete(argc-1, argv+1, 1); |
9bec1a43 SH |
1450 | if (matches(*argv, "deleteall") == 0 || matches(*argv, "delall") == 0) |
1451 | return xfrm_state_list_or_deleteall(argc-1, argv+1, 1); | |
c7699875 | 1452 | if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0 |
1453 | || matches(*argv, "lst") == 0) | |
9bec1a43 | 1454 | return xfrm_state_list_or_deleteall(argc-1, argv+1, 0); |
c7699875 | 1455 | if (matches(*argv, "get") == 0) |
1456 | return xfrm_state_get_or_delete(argc-1, argv+1, 0); | |
9bec1a43 SH |
1457 | if (matches(*argv, "flush") == 0) |
1458 | return xfrm_state_flush(argc-1, argv+1); | |
0bb4a4c2 | 1459 | if (matches(*argv, "count") == 0) { |
1460 | return xfrm_sad_getinfo(argc, argv); | |
1461 | } | |
c7699875 | 1462 | if (matches(*argv, "help") == 0) |
1463 | usage(); | |
1464 | fprintf(stderr, "Command \"%s\" is unknown, try \"ip xfrm state help\".\n", *argv); | |
1465 | exit(-1); | |
1466 | } |