]>
Commit | Line | Data |
---|---|---|
aba5acdf SH |
1 | /* |
2 | * iprule.c "ip rule". | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public License | |
6 | * as published by the Free Software Foundation; either version | |
7 | * 2 of the License, or (at your option) any later version. | |
8 | * | |
9 | * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> | |
10 | * | |
aba5acdf SH |
11 | */ |
12 | ||
13 | #include <stdio.h> | |
14 | #include <stdlib.h> | |
15 | #include <unistd.h> | |
16 | #include <syslog.h> | |
17 | #include <fcntl.h> | |
18 | #include <sys/socket.h> | |
19 | #include <netinet/in.h> | |
20 | #include <netinet/ip.h> | |
21 | #include <arpa/inet.h> | |
22 | #include <string.h> | |
3123a0cc | 23 | #include <linux/fib_rules.h> |
aba5acdf SH |
24 | |
25 | #include "rt_names.h" | |
26 | #include "utils.h" | |
34e95647 | 27 | #include "ip_common.h" |
aba5acdf | 28 | |
351efcde SH |
29 | extern struct rtnl_handle rth; |
30 | ||
aba5acdf SH |
31 | static void usage(void) __attribute__((noreturn)); |
32 | ||
33 | static void usage(void) | |
34 | { | |
50772dc5 | 35 | fprintf(stderr, "Usage: ip rule [ list | add | del | flush ] SELECTOR ACTION\n"); |
be7f286e | 36 | fprintf(stderr, "SELECTOR := [ not ] [ from PREFIX ] [ to PREFIX ] [ tos TOS ] [ fwmark FWMARK[/MASK] ]\n"); |
85eae222 | 37 | fprintf(stderr, " [ iif STRING ] [ oif STRING ] [ pref NUMBER ]\n"); |
526afe40 | 38 | fprintf(stderr, "ACTION := [ table TABLE_ID ]\n"); |
aba5acdf SH |
39 | fprintf(stderr, " [ prohibit | reject | unreachable ]\n"); |
40 | fprintf(stderr, " [ realms [SRCREALM/]DSTREALM ]\n"); | |
6b469cae | 41 | fprintf(stderr, " [ goto NUMBER ]\n"); |
b1d0525f ST |
42 | fprintf(stderr, " SUPPRESSOR\n"); |
43 | fprintf(stderr, "SUPPRESSOR := [ suppress_prefixlength NUMBER ]\n"); | |
44 | fprintf(stderr, " [ suppress_ifgroup DEVGROUP ]\n"); | |
aba5acdf SH |
45 | fprintf(stderr, "TABLE_ID := [ local | main | default | NUMBER ]\n"); |
46 | exit(-1); | |
47 | } | |
48 | ||
98bde989 | 49 | int print_rule(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg) |
aba5acdf SH |
50 | { |
51 | FILE *fp = (FILE*)arg; | |
52 | struct rtmsg *r = NLMSG_DATA(n); | |
53 | int len = n->nlmsg_len; | |
54 | int host_len = -1; | |
34e95647 | 55 | __u32 table; |
ad1a12db | 56 | struct rtattr * tb[FRA_MAX+1]; |
aba5acdf SH |
57 | char abuf[256]; |
58 | SPRINT_BUF(b1); | |
59 | ||
98bde989 | 60 | if (n->nlmsg_type != RTM_NEWRULE && n->nlmsg_type != RTM_DELRULE) |
aba5acdf SH |
61 | return 0; |
62 | ||
63 | len -= NLMSG_LENGTH(sizeof(*r)); | |
64 | if (len < 0) | |
65 | return -1; | |
66 | ||
ad1a12db | 67 | parse_rtattr(tb, FRA_MAX, RTM_RTA(r), len); |
aba5acdf | 68 | |
f3a2ddc1 | 69 | host_len = af_bit_len(r->rtm_family); |
aba5acdf | 70 | |
98bde989 TG |
71 | if (n->nlmsg_type == RTM_DELRULE) |
72 | fprintf(fp, "Deleted "); | |
73 | ||
ad1a12db PM |
74 | if (tb[FRA_PRIORITY]) |
75 | fprintf(fp, "%u:\t", *(unsigned*)RTA_DATA(tb[FRA_PRIORITY])); | |
aba5acdf SH |
76 | else |
77 | fprintf(fp, "0:\t"); | |
78 | ||
3123a0cc TG |
79 | if (r->rtm_flags & FIB_RULE_INVERT) |
80 | fprintf(fp, "not "); | |
81 | ||
ad1a12db | 82 | if (tb[FRA_SRC]) { |
aba5acdf SH |
83 | if (r->rtm_src_len != host_len) { |
84 | fprintf(fp, "from %s/%u ", rt_addr_n2a(r->rtm_family, | |
26dcdf3a EB |
85 | RTA_PAYLOAD(tb[FRA_SRC]), |
86 | RTA_DATA(tb[FRA_SRC]), | |
87 | abuf, sizeof(abuf)), | |
aba5acdf SH |
88 | r->rtm_src_len |
89 | ); | |
90 | } else { | |
91 | fprintf(fp, "from %s ", format_host(r->rtm_family, | |
ad1a12db PM |
92 | RTA_PAYLOAD(tb[FRA_SRC]), |
93 | RTA_DATA(tb[FRA_SRC]), | |
aba5acdf SH |
94 | abuf, sizeof(abuf)) |
95 | ); | |
96 | } | |
97 | } else if (r->rtm_src_len) { | |
98 | fprintf(fp, "from 0/%d ", r->rtm_src_len); | |
99 | } else { | |
100 | fprintf(fp, "from all "); | |
101 | } | |
102 | ||
ad1a12db | 103 | if (tb[FRA_DST]) { |
aba5acdf SH |
104 | if (r->rtm_dst_len != host_len) { |
105 | fprintf(fp, "to %s/%u ", rt_addr_n2a(r->rtm_family, | |
26dcdf3a EB |
106 | RTA_PAYLOAD(tb[FRA_DST]), |
107 | RTA_DATA(tb[FRA_DST]), | |
108 | abuf, sizeof(abuf)), | |
aba5acdf SH |
109 | r->rtm_dst_len |
110 | ); | |
111 | } else { | |
112 | fprintf(fp, "to %s ", format_host(r->rtm_family, | |
ad1a12db PM |
113 | RTA_PAYLOAD(tb[FRA_DST]), |
114 | RTA_DATA(tb[FRA_DST]), | |
aba5acdf SH |
115 | abuf, sizeof(abuf))); |
116 | } | |
117 | } else if (r->rtm_dst_len) { | |
118 | fprintf(fp, "to 0/%d ", r->rtm_dst_len); | |
119 | } | |
120 | ||
121 | if (r->rtm_tos) { | |
122 | SPRINT_BUF(b1); | |
123 | fprintf(fp, "tos %s ", rtnl_dsfield_n2a(r->rtm_tos, b1, sizeof(b1))); | |
124 | } | |
ad1a12db | 125 | |
4806867a | 126 | if (tb[FRA_FWMARK] || tb[FRA_FWMASK]) { |
be7f286e PM |
127 | __u32 mark = 0, mask = 0; |
128 | ||
ad1a12db | 129 | if (tb[FRA_FWMARK]) |
ff24746c | 130 | mark = rta_getattr_u32(tb[FRA_FWMARK]); |
be7f286e | 131 | |
ad1a12db | 132 | if (tb[FRA_FWMASK] && |
ff24746c | 133 | (mask = rta_getattr_u32(tb[FRA_FWMASK])) != 0xFFFFFFFF) |
be7f286e | 134 | fprintf(fp, "fwmark 0x%x/0x%x ", mark, mask); |
81c61790 | 135 | else |
be7f286e | 136 | fprintf(fp, "fwmark 0x%x ", mark); |
aba5acdf SH |
137 | } |
138 | ||
ad1a12db | 139 | if (tb[FRA_IFNAME]) { |
ff24746c | 140 | fprintf(fp, "iif %s ", rta_getattr_str(tb[FRA_IFNAME])); |
85eae222 PM |
141 | if (r->rtm_flags & FIB_RULE_IIF_DETACHED) |
142 | fprintf(fp, "[detached] "); | |
143 | } | |
144 | ||
145 | if (tb[FRA_OIFNAME]) { | |
ff24746c | 146 | fprintf(fp, "oif %s ", rta_getattr_str(tb[FRA_OIFNAME])); |
85eae222 | 147 | if (r->rtm_flags & FIB_RULE_OIF_DETACHED) |
6b469cae | 148 | fprintf(fp, "[detached] "); |
aba5acdf SH |
149 | } |
150 | ||
34e95647 | 151 | table = rtm_get_table(r, tb); |
b1d0525f | 152 | if (table) { |
34e95647 | 153 | fprintf(fp, "lookup %s ", rtnl_rttable_n2a(table, b1, sizeof(b1))); |
aba5acdf | 154 | |
b1d0525f ST |
155 | if (tb[FRA_SUPPRESS_PREFIXLEN]) { |
156 | int pl = rta_getattr_u32(tb[FRA_SUPPRESS_PREFIXLEN]); | |
157 | if (pl != -1) { | |
158 | fprintf(fp, "suppress_prefixlength %d ", pl); | |
159 | } | |
160 | } | |
161 | if (tb[FRA_SUPPRESS_IFGROUP]) { | |
162 | int group = rta_getattr_u32(tb[FRA_SUPPRESS_IFGROUP]); | |
163 | if (group != -1) { | |
164 | SPRINT_BUF(b1); | |
165 | fprintf(fp, "suppress_ifgroup %s ", rtnl_group_n2a(group, b1, sizeof(b1))); | |
166 | } | |
167 | } | |
168 | } | |
169 | ||
ad1a12db | 170 | if (tb[FRA_FLOW]) { |
ff24746c | 171 | __u32 to = rta_getattr_u32(tb[FRA_FLOW]); |
aba5acdf SH |
172 | __u32 from = to>>16; |
173 | to &= 0xFFFF; | |
174 | if (from) { | |
175 | fprintf(fp, "realms %s/", | |
176 | rtnl_rtrealm_n2a(from, b1, sizeof(b1))); | |
177 | } | |
178 | fprintf(fp, "%s ", | |
179 | rtnl_rtrealm_n2a(to, b1, sizeof(b1))); | |
180 | } | |
181 | ||
182 | if (r->rtm_type == RTN_NAT) { | |
183 | if (tb[RTA_GATEWAY]) { | |
ae665a52 | 184 | fprintf(fp, "map-to %s ", |
aba5acdf SH |
185 | format_host(r->rtm_family, |
186 | RTA_PAYLOAD(tb[RTA_GATEWAY]), | |
187 | RTA_DATA(tb[RTA_GATEWAY]), | |
188 | abuf, sizeof(abuf))); | |
189 | } else | |
190 | fprintf(fp, "masquerade"); | |
6b469cae TG |
191 | } else if (r->rtm_type == FR_ACT_GOTO) { |
192 | fprintf(fp, "goto "); | |
193 | if (tb[FRA_GOTO]) | |
ff24746c | 194 | fprintf(fp, "%u", rta_getattr_u32(tb[FRA_GOTO])); |
6b469cae TG |
195 | else |
196 | fprintf(fp, "none"); | |
197 | if (r->rtm_flags & FIB_RULE_UNRESOLVED) | |
198 | fprintf(fp, " [unresolved]"); | |
199 | } else if (r->rtm_type == FR_ACT_NOP) | |
200 | fprintf(fp, "nop"); | |
201 | else if (r->rtm_type != RTN_UNICAST) | |
aba5acdf SH |
202 | fprintf(fp, "%s", rtnl_rtntype_n2a(r->rtm_type, b1, sizeof(b1))); |
203 | ||
204 | fprintf(fp, "\n"); | |
205 | fflush(fp); | |
206 | return 0; | |
207 | } | |
208 | ||
50772dc5 | 209 | static int iprule_list(int argc, char **argv) |
aba5acdf | 210 | { |
aba5acdf SH |
211 | int af = preferred_family; |
212 | ||
213 | if (af == AF_UNSPEC) | |
214 | af = AF_INET; | |
215 | ||
216 | if (argc > 0) { | |
0284dcde | 217 | fprintf(stderr, "\"ip rule show\" does not take any arguments.\n"); |
aba5acdf SH |
218 | return -1; |
219 | } | |
220 | ||
aba5acdf SH |
221 | if (rtnl_wilddump_request(&rth, af, RTM_GETRULE) < 0) { |
222 | perror("Cannot send dump request"); | |
223 | return 1; | |
224 | } | |
225 | ||
cd70f3f5 | 226 | if (rtnl_dump_filter(&rth, print_rule, stdout) < 0) { |
aba5acdf SH |
227 | fprintf(stderr, "Dump terminated\n"); |
228 | return 1; | |
229 | } | |
230 | ||
231 | return 0; | |
232 | } | |
233 | ||
234 | ||
50772dc5 | 235 | static int iprule_modify(int cmd, int argc, char **argv) |
aba5acdf SH |
236 | { |
237 | int table_ok = 0; | |
aba5acdf | 238 | struct { |
4806867a SH |
239 | struct nlmsghdr n; |
240 | struct rtmsg r; | |
241 | char buf[1024]; | |
aba5acdf SH |
242 | } req; |
243 | ||
244 | memset(&req, 0, sizeof(req)); | |
245 | ||
246 | req.n.nlmsg_type = cmd; | |
247 | req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg)); | |
248 | req.n.nlmsg_flags = NLM_F_REQUEST; | |
249 | req.r.rtm_family = preferred_family; | |
250 | req.r.rtm_protocol = RTPROT_BOOT; | |
251 | req.r.rtm_scope = RT_SCOPE_UNIVERSE; | |
252 | req.r.rtm_table = 0; | |
253 | req.r.rtm_type = RTN_UNSPEC; | |
3123a0cc | 254 | req.r.rtm_flags = 0; |
aba5acdf SH |
255 | |
256 | if (cmd == RTM_NEWRULE) { | |
257 | req.n.nlmsg_flags |= NLM_F_CREATE|NLM_F_EXCL; | |
258 | req.r.rtm_type = RTN_UNICAST; | |
259 | } | |
260 | ||
261 | while (argc > 0) { | |
3123a0cc TG |
262 | if (strcmp(*argv, "not") == 0) { |
263 | req.r.rtm_flags |= FIB_RULE_INVERT; | |
264 | } else if (strcmp(*argv, "from") == 0) { | |
aba5acdf SH |
265 | inet_prefix dst; |
266 | NEXT_ARG(); | |
267 | get_prefix(&dst, *argv, req.r.rtm_family); | |
268 | req.r.rtm_src_len = dst.bitlen; | |
ad1a12db | 269 | addattr_l(&req.n, sizeof(req), FRA_SRC, &dst.data, dst.bytelen); |
aba5acdf SH |
270 | } else if (strcmp(*argv, "to") == 0) { |
271 | inet_prefix dst; | |
272 | NEXT_ARG(); | |
273 | get_prefix(&dst, *argv, req.r.rtm_family); | |
274 | req.r.rtm_dst_len = dst.bitlen; | |
ad1a12db | 275 | addattr_l(&req.n, sizeof(req), FRA_DST, &dst.data, dst.bytelen); |
aba5acdf SH |
276 | } else if (matches(*argv, "preference") == 0 || |
277 | matches(*argv, "order") == 0 || | |
278 | matches(*argv, "priority") == 0) { | |
279 | __u32 pref; | |
280 | NEXT_ARG(); | |
281 | if (get_u32(&pref, *argv, 0)) | |
282 | invarg("preference value is invalid\n", *argv); | |
ad1a12db | 283 | addattr32(&req.n, sizeof(req), FRA_PRIORITY, pref); |
dec01609 AH |
284 | } else if (strcmp(*argv, "tos") == 0 || |
285 | matches(*argv, "dsfield") == 0) { | |
aba5acdf SH |
286 | __u32 tos; |
287 | NEXT_ARG(); | |
288 | if (rtnl_dsfield_a2n(&tos, *argv)) | |
289 | invarg("TOS value is invalid\n", *argv); | |
290 | req.r.rtm_tos = tos; | |
291 | } else if (strcmp(*argv, "fwmark") == 0) { | |
be7f286e PM |
292 | char *slash; |
293 | __u32 fwmark, fwmask; | |
aba5acdf | 294 | NEXT_ARG(); |
be7f286e PM |
295 | if ((slash = strchr(*argv, '/')) != NULL) |
296 | *slash = '\0'; | |
4fb466f9 | 297 | if (get_u32(&fwmark, *argv, 0)) |
aba5acdf | 298 | invarg("fwmark value is invalid\n", *argv); |
ad1a12db | 299 | addattr32(&req.n, sizeof(req), FRA_FWMARK, fwmark); |
be7f286e PM |
300 | if (slash) { |
301 | if (get_u32(&fwmask, slash+1, 0)) | |
302 | invarg("fwmask value is invalid\n", slash+1); | |
ad1a12db | 303 | addattr32(&req.n, sizeof(req), FRA_FWMASK, fwmask); |
be7f286e | 304 | } |
aba5acdf SH |
305 | } else if (matches(*argv, "realms") == 0) { |
306 | __u32 realm; | |
307 | NEXT_ARG(); | |
308 | if (get_rt_realms(&realm, *argv)) | |
309 | invarg("invalid realms\n", *argv); | |
ad1a12db | 310 | addattr32(&req.n, sizeof(req), FRA_FLOW, realm); |
aba5acdf SH |
311 | } else if (matches(*argv, "table") == 0 || |
312 | strcmp(*argv, "lookup") == 0) { | |
f332d169 | 313 | __u32 tid; |
aba5acdf SH |
314 | NEXT_ARG(); |
315 | if (rtnl_rttable_a2n(&tid, *argv)) | |
316 | invarg("invalid table ID\n", *argv); | |
34e95647 PM |
317 | if (tid < 256) |
318 | req.r.rtm_table = tid; | |
319 | else { | |
320 | req.r.rtm_table = RT_TABLE_UNSPEC; | |
ad1a12db | 321 | addattr32(&req.n, sizeof(req), FRA_TABLE, tid); |
34e95647 | 322 | } |
aba5acdf | 323 | table_ok = 1; |
b1d0525f ST |
324 | } else if (matches(*argv, "suppress_prefixlength") == 0 || |
325 | strcmp(*argv, "sup_pl") == 0) { | |
326 | int pl; | |
327 | NEXT_ARG(); | |
328 | if (get_s32(&pl, *argv, 0) || pl < 0) | |
329 | invarg("suppress_prefixlength value is invalid\n", *argv); | |
330 | addattr32(&req.n, sizeof(req), FRA_SUPPRESS_PREFIXLEN, pl); | |
331 | } else if (matches(*argv, "suppress_ifgroup") == 0 || | |
332 | strcmp(*argv, "sup_group") == 0) { | |
333 | NEXT_ARG(); | |
334 | int group; | |
335 | if (rtnl_group_a2n(&group, *argv)) | |
336 | invarg("Invalid \"suppress_ifgroup\" value\n", *argv); | |
337 | addattr32(&req.n, sizeof(req), FRA_SUPPRESS_IFGROUP, group); | |
aba5acdf SH |
338 | } else if (strcmp(*argv, "dev") == 0 || |
339 | strcmp(*argv, "iif") == 0) { | |
340 | NEXT_ARG(); | |
ad1a12db | 341 | addattr_l(&req.n, sizeof(req), FRA_IFNAME, *argv, strlen(*argv)+1); |
85eae222 PM |
342 | } else if (strcmp(*argv, "oif") == 0) { |
343 | NEXT_ARG(); | |
344 | addattr_l(&req.n, sizeof(req), FRA_OIFNAME, *argv, strlen(*argv)+1); | |
aba5acdf SH |
345 | } else if (strcmp(*argv, "nat") == 0 || |
346 | matches(*argv, "map-to") == 0) { | |
347 | NEXT_ARG(); | |
526afe40 | 348 | fprintf(stderr, "Warning: route NAT is deprecated\n"); |
aba5acdf SH |
349 | addattr32(&req.n, sizeof(req), RTA_GATEWAY, get_addr32(*argv)); |
350 | req.r.rtm_type = RTN_NAT; | |
351 | } else { | |
352 | int type; | |
353 | ||
354 | if (strcmp(*argv, "type") == 0) { | |
355 | NEXT_ARG(); | |
356 | } | |
357 | if (matches(*argv, "help") == 0) | |
358 | usage(); | |
6b469cae TG |
359 | else if (matches(*argv, "goto") == 0) { |
360 | __u32 target; | |
361 | type = FR_ACT_GOTO; | |
362 | NEXT_ARG(); | |
363 | if (get_u32(&target, *argv, 0)) | |
364 | invarg("invalid target\n", *argv); | |
365 | addattr32(&req.n, sizeof(req), FRA_GOTO, target); | |
366 | } else if (matches(*argv, "nop") == 0) | |
367 | type = FR_ACT_NOP; | |
368 | else if (rtnl_rtntype_a2n(&type, *argv)) | |
aba5acdf SH |
369 | invarg("Failed to parse rule type", *argv); |
370 | req.r.rtm_type = type; | |
6b469cae | 371 | table_ok = 1; |
aba5acdf SH |
372 | } |
373 | argc--; | |
374 | argv++; | |
375 | } | |
376 | ||
377 | if (req.r.rtm_family == AF_UNSPEC) | |
378 | req.r.rtm_family = AF_INET; | |
379 | ||
380 | if (!table_ok && cmd == RTM_NEWRULE) | |
381 | req.r.rtm_table = RT_TABLE_MAIN; | |
382 | ||
c079e121 | 383 | if (rtnl_talk(&rth, &req.n, NULL, 0) < 0) |
076ae708 | 384 | return -2; |
aba5acdf SH |
385 | |
386 | return 0; | |
387 | } | |
388 | ||
50772dc5 SH |
389 | |
390 | static int flush_rule(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg) | |
391 | { | |
b77caeba | 392 | struct rtnl_handle rth2; |
50772dc5 SH |
393 | struct rtmsg *r = NLMSG_DATA(n); |
394 | int len = n->nlmsg_len; | |
ad1a12db | 395 | struct rtattr * tb[FRA_MAX+1]; |
50772dc5 SH |
396 | |
397 | len -= NLMSG_LENGTH(sizeof(*r)); | |
398 | if (len < 0) | |
399 | return -1; | |
400 | ||
ad1a12db | 401 | parse_rtattr(tb, FRA_MAX, RTM_RTA(r), len); |
50772dc5 | 402 | |
ad1a12db | 403 | if (tb[FRA_PRIORITY]) { |
50772dc5 SH |
404 | n->nlmsg_type = RTM_DELRULE; |
405 | n->nlmsg_flags = NLM_F_REQUEST; | |
406 | ||
b77caeba SH |
407 | if (rtnl_open(&rth2, 0) < 0) |
408 | return -1; | |
409 | ||
c079e121 | 410 | if (rtnl_talk(&rth2, n, NULL, 0) < 0) |
50772dc5 | 411 | return -2; |
b77caeba SH |
412 | |
413 | rtnl_close(&rth2); | |
50772dc5 SH |
414 | } |
415 | ||
416 | return 0; | |
417 | } | |
418 | ||
419 | static int iprule_flush(int argc, char **argv) | |
420 | { | |
50772dc5 SH |
421 | int af = preferred_family; |
422 | ||
423 | if (af == AF_UNSPEC) | |
424 | af = AF_INET; | |
425 | ||
426 | if (argc > 0) { | |
66081849 | 427 | fprintf(stderr, "\"ip rule flush\" does not allow arguments\n"); |
50772dc5 SH |
428 | return -1; |
429 | } | |
430 | ||
50772dc5 SH |
431 | if (rtnl_wilddump_request(&rth, af, RTM_GETRULE) < 0) { |
432 | perror("Cannot send dump request"); | |
433 | return 1; | |
434 | } | |
435 | ||
cd70f3f5 | 436 | if (rtnl_dump_filter(&rth, flush_rule, NULL) < 0) { |
50772dc5 SH |
437 | fprintf(stderr, "Flush terminated\n"); |
438 | return 1; | |
439 | } | |
440 | ||
441 | return 0; | |
442 | } | |
443 | ||
aba5acdf SH |
444 | int do_iprule(int argc, char **argv) |
445 | { | |
446 | if (argc < 1) { | |
447 | return iprule_list(0, NULL); | |
448 | } else if (matches(argv[0], "list") == 0 || | |
449 | matches(argv[0], "lst") == 0 || | |
450 | matches(argv[0], "show") == 0) { | |
451 | return iprule_list(argc-1, argv+1); | |
452 | } else if (matches(argv[0], "add") == 0) { | |
453 | return iprule_modify(RTM_NEWRULE, argc-1, argv+1); | |
454 | } else if (matches(argv[0], "delete") == 0) { | |
455 | return iprule_modify(RTM_DELRULE, argc-1, argv+1); | |
50772dc5 SH |
456 | } else if (matches(argv[0], "flush") == 0) { |
457 | return iprule_flush(argc-1, argv+1); | |
aba5acdf SH |
458 | } else if (matches(argv[0], "help") == 0) |
459 | usage(); | |
460 | ||
461 | fprintf(stderr, "Command \"%s\" is unknown, try \"ip rule help\".\n", *argv); | |
462 | exit(-1); | |
463 | } | |
464 | ||
b6c8e808 PM |
465 | int do_multirule(int argc, char **argv) |
466 | { | |
467 | switch (preferred_family) { | |
468 | case AF_UNSPEC: | |
469 | case AF_INET: | |
470 | preferred_family = RTNL_FAMILY_IPMR; | |
471 | break; | |
472 | case AF_INET6: | |
473 | preferred_family = RTNL_FAMILY_IP6MR; | |
474 | break; | |
0d1c9b57 BG |
475 | case RTNL_FAMILY_IPMR: |
476 | case RTNL_FAMILY_IP6MR: | |
477 | break; | |
b6c8e808 | 478 | default: |
0d1c9b57 BG |
479 | fprintf(stderr, "Multicast rules are only supported for IPv4/IPv6, was: %i\n", |
480 | preferred_family); | |
b6c8e808 PM |
481 | exit(-1); |
482 | } | |
483 | ||
484 | return do_iprule(argc, argv); | |
485 | } |