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Commit | Line | Data |
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68d5ba54 SH |
1 | /* |
2 | * m_action.c Action Management | |
3 | * | |
4 | * This program is free software; you can distribute 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: J Hadi Salim (hadi@cyberus.ca) | |
10 | * | |
11 | * TODO: | |
12 | * - parse to be passed a filedescriptor for logging purposes | |
13 | * | |
14 | */ | |
15 | ||
16 | #include <stdio.h> | |
17 | #include <stdlib.h> | |
18 | #include <unistd.h> | |
19 | #include <syslog.h> | |
20 | #include <fcntl.h> | |
21 | #include <sys/socket.h> | |
22 | #include <netinet/in.h> | |
23 | #include <arpa/inet.h> | |
24 | #include <string.h> | |
25 | #include <dlfcn.h> | |
26 | ||
27 | #include "utils.h" | |
28 | #include "tc_util.h" | |
29 | ||
68d5ba54 SH |
30 | static struct action_util * action_list; |
31 | #ifdef CONFIG_GACT | |
32 | int gact_ld = 0 ; //fuckin backward compatibility | |
33 | #endif | |
34 | int batch_c = 0; | |
35 | int tab_flush = 0; | |
36 | ||
37 | void act_usage(void) | |
38 | { | |
39 | fprintf (stderr, "action usage improper\n"); | |
40 | } | |
41 | ||
42 | static int print_noaopt(struct action_util *au, FILE *f, struct rtattr *opt) | |
43 | { | |
44 | if (opt && RTA_PAYLOAD(opt)) | |
bb6a21a4 SH |
45 | fprintf(f, "[Unknown action, optlen=%u] ", |
46 | (unsigned) RTA_PAYLOAD(opt)); | |
68d5ba54 SH |
47 | return 0; |
48 | } | |
49 | ||
50 | static int parse_noaopt(struct action_util *au, int *argc_p, char ***argv_p, int code, struct nlmsghdr *n) | |
51 | { | |
52 | int argc = *argc_p; | |
53 | char **argv = *argv_p; | |
54 | ||
55 | if (argc) { | |
56 | fprintf(stderr, "Unknown action \"%s\", hence option \"%s\" is unparsable\n", au->id, *argv); | |
57 | } else { | |
58 | fprintf(stderr, "Unknown action \"%s\"\n", au->id); | |
59 | } | |
60 | return -1; | |
61 | } | |
62 | ||
63 | struct action_util *get_action_kind(char *str) | |
64 | { | |
cda4026c | 65 | static void *aBODY; |
68d5ba54 SH |
66 | void *dlh; |
67 | char buf[256]; | |
68 | struct action_util *a; | |
69 | #ifdef CONFIG_GACT | |
70 | int looked4gact = 0; | |
71 | restart_s: | |
72 | #endif | |
73 | for (a = action_list; a; a = a->next) { | |
74 | if (strcmp(a->id, str) == 0) | |
75 | return a; | |
76 | } | |
77 | ||
78 | snprintf(buf, sizeof(buf), "m_%s.so", str); | |
79 | dlh = dlopen(buf, RTLD_LAZY); | |
80 | if (dlh == NULL) { | |
81 | dlh = aBODY; | |
82 | if (dlh == NULL) { | |
83 | dlh = aBODY = dlopen(NULL, RTLD_LAZY); | |
84 | if (dlh == NULL) | |
85 | goto noexist; | |
86 | } | |
87 | } | |
88 | ||
95812b56 | 89 | snprintf(buf, sizeof(buf), "%s_action_util", str); |
68d5ba54 SH |
90 | a = dlsym(dlh, buf); |
91 | if (a == NULL) | |
92 | goto noexist; | |
93 | ||
94 | reg: | |
95 | a->next = action_list; | |
96 | action_list = a; | |
97 | return a; | |
98 | ||
99 | noexist: | |
100 | #ifdef CONFIG_GACT | |
101 | if (!looked4gact) { | |
102 | looked4gact = 1; | |
103 | strcpy(str,"gact"); | |
104 | goto restart_s; | |
105 | } | |
106 | #endif | |
107 | a = malloc(sizeof(*a)); | |
108 | if (a) { | |
109 | memset(a, 0, sizeof(*a)); | |
110 | strncpy(a->id, "noact", 15); | |
111 | a->parse_aopt = parse_noaopt; | |
112 | a->print_aopt = print_noaopt; | |
113 | goto reg; | |
114 | } | |
115 | return a; | |
116 | } | |
117 | ||
118 | int | |
119 | new_cmd(char **argv) | |
120 | { | |
121 | if ((matches(*argv, "change") == 0) || | |
122 | (matches(*argv, "replace") == 0)|| | |
123 | (matches(*argv, "delete") == 0)|| | |
124 | (matches(*argv, "add") == 0)) | |
125 | return 1; | |
126 | ||
127 | return 0; | |
128 | ||
129 | } | |
130 | ||
131 | int | |
132 | parse_action(int *argc_p, char ***argv_p, int tca_id, struct nlmsghdr *n) | |
133 | { | |
134 | int argc = *argc_p; | |
135 | char **argv = *argv_p; | |
136 | struct rtattr *tail, *tail2; | |
137 | char k[16]; | |
138 | int ok = 0; | |
139 | int eap = 0; /* expect action parameters */ | |
140 | ||
141 | int ret = 0; | |
142 | int prio = 0; | |
143 | ||
144 | if (argc <= 0) | |
145 | return -1; | |
146 | ||
4a86fe19 | 147 | tail = tail2 = NLMSG_TAIL(n); |
68d5ba54 SH |
148 | |
149 | addattr_l(n, MAX_MSG, tca_id, NULL, 0); | |
150 | ||
151 | while (argc > 0) { | |
152 | ||
153 | memset(k, 0, sizeof (k)); | |
154 | ||
155 | if (strcmp(*argv, "action") == 0 ) { | |
156 | argc--; | |
157 | argv++; | |
158 | eap = 1; | |
159 | #ifdef CONFIG_GACT | |
160 | if (!gact_ld) { | |
161 | get_action_kind("gact"); | |
162 | } | |
163 | #endif | |
164 | continue; | |
165 | } else if (strcmp(*argv, "help") == 0) { | |
166 | return -1; | |
167 | } else if (new_cmd(argv)) { | |
168 | goto done0; | |
169 | } else { | |
170 | struct action_util *a = NULL; | |
171 | strncpy(k, *argv, sizeof (k) - 1); | |
172 | eap = 0; | |
173 | if (argc > 0 ) { | |
174 | a = get_action_kind(k); | |
175 | } else { | |
176 | done0: | |
177 | if (ok) | |
178 | break; | |
179 | else | |
180 | goto done; | |
181 | } | |
182 | ||
183 | if (NULL == a) { | |
184 | goto bad_val; | |
185 | } | |
186 | ||
4a86fe19 | 187 | tail = NLMSG_TAIL(n); |
68d5ba54 SH |
188 | addattr_l(n, MAX_MSG, ++prio, NULL, 0); |
189 | addattr_l(n, MAX_MSG, TCA_ACT_KIND, k, strlen(k) + 1); | |
190 | ||
191 | ret = a->parse_aopt(a,&argc, &argv, TCA_ACT_OPTIONS, n); | |
192 | ||
193 | if (ret < 0) { | |
194 | fprintf(stderr,"bad action parsing\n"); | |
195 | goto bad_val; | |
196 | } | |
4a86fe19 | 197 | tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail; |
68d5ba54 SH |
198 | ok++; |
199 | } | |
200 | ||
201 | } | |
202 | ||
203 | if (eap > 0) { | |
204 | fprintf(stderr,"bad action empty %d\n",eap); | |
205 | goto bad_val; | |
206 | } | |
207 | ||
4a86fe19 | 208 | tail2->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail2; |
68d5ba54 SH |
209 | |
210 | done: | |
211 | *argc_p = argc; | |
212 | *argv_p = argv; | |
213 | return 0; | |
214 | bad_val: | |
215 | /* no need to undo things, returning from here should | |
216 | * cause enough pain */ | |
217 | fprintf(stderr, "parse_action: bad value (%d:%s)!\n",argc,*argv); | |
218 | return -1; | |
219 | } | |
220 | ||
221 | int | |
222 | tc_print_one_action(FILE * f, struct rtattr *arg) | |
223 | { | |
224 | ||
225 | struct rtattr *tb[TCA_ACT_MAX + 1]; | |
226 | int err = 0; | |
227 | struct action_util *a = NULL; | |
228 | ||
229 | if (arg == NULL) | |
230 | return -1; | |
231 | ||
232 | memset(tb, 0, sizeof (tb)); | |
233 | parse_rtattr(tb, TCA_ACT_MAX, RTA_DATA(arg), RTA_PAYLOAD(arg)); | |
234 | if (tb[TCA_ACT_KIND] == NULL) { | |
235 | fprintf(stderr, "NULL Action!\n"); | |
236 | return -1; | |
237 | } | |
238 | ||
239 | ||
240 | a = get_action_kind(RTA_DATA(tb[TCA_ACT_KIND])); | |
241 | if (NULL == a) | |
242 | return err; | |
243 | ||
244 | if (tab_flush) { | |
245 | fprintf(f," %s \n", a->id); | |
246 | tab_flush = 0; | |
247 | return 0; | |
248 | } | |
249 | ||
250 | err = a->print_aopt(a,f,tb[TCA_ACT_OPTIONS]); | |
251 | ||
252 | ||
253 | if (0 > err) | |
254 | return err; | |
255 | ||
e5879dc6 | 256 | if (show_stats && tb[TCA_ACT_STATS]) { |
257 | fprintf(f, "\tAction statistics:\n"); | |
258 | print_tcstats2_attr(f, tb[TCA_ACT_STATS], "\t", NULL); | |
3d327bf5 | 259 | fprintf(f, "\n"); |
68d5ba54 SH |
260 | } |
261 | ||
262 | return 0; | |
263 | } | |
264 | ||
265 | int | |
3d327bf5 | 266 | tc_print_action(FILE * f, const struct rtattr *arg) |
68d5ba54 SH |
267 | { |
268 | ||
269 | int i; | |
270 | struct rtattr *tb[TCA_ACT_MAX_PRIO + 1]; | |
271 | ||
272 | if (arg == NULL) | |
273 | return 0; | |
274 | ||
275 | memset(tb, 0, sizeof (tb)); | |
276 | parse_rtattr(tb, TCA_ACT_MAX_PRIO, RTA_DATA(arg), RTA_PAYLOAD(arg)); | |
277 | ||
278 | if (tab_flush && NULL != tb[0] && NULL == tb[1]) { | |
279 | int ret = tc_print_one_action(f, tb[0]); | |
280 | return ret; | |
281 | } | |
282 | ||
283 | for (i = 0; i < TCA_ACT_MAX_PRIO; i++) { | |
284 | if (tb[i]) { | |
285 | fprintf(f, "\n\taction order %d: ", i + batch_c); | |
286 | if (0 > tc_print_one_action(f, tb[i])) { | |
287 | fprintf(f, "Error printing action\n"); | |
288 | } | |
289 | } | |
290 | ||
291 | } | |
292 | ||
293 | batch_c+=TCA_ACT_MAX_PRIO ; | |
294 | return 0; | |
295 | } | |
296 | ||
3d327bf5 | 297 | static int do_print_action(const struct sockaddr_nl *who, |
50772dc5 | 298 | struct nlmsghdr *n, |
3d327bf5 | 299 | void *arg) |
68d5ba54 SH |
300 | { |
301 | FILE *fp = (FILE*)arg; | |
302 | struct tcamsg *t = NLMSG_DATA(n); | |
303 | int len = n->nlmsg_len; | |
304 | struct rtattr * tb[TCAA_MAX+1]; | |
305 | ||
306 | len -= NLMSG_LENGTH(sizeof(*t)); | |
307 | ||
308 | if (len < 0) { | |
309 | fprintf(stderr, "Wrong len %d\n", len); | |
310 | return -1; | |
311 | } | |
312 | ||
313 | memset(tb, 0, sizeof(tb)); | |
314 | parse_rtattr(tb, TCAA_MAX, TA_RTA(t), len); | |
315 | ||
316 | if (NULL == tb[TCA_ACT_TAB]) { | |
317 | if (n->nlmsg_type != RTM_GETACTION) | |
318 | fprintf(stderr, "do_print_action: NULL kind\n"); | |
319 | return -1; | |
320 | } | |
321 | ||
322 | if (n->nlmsg_type == RTM_DELACTION) { | |
323 | if (n->nlmsg_flags & NLM_F_ROOT) { | |
324 | fprintf(fp, "Flushed table "); | |
325 | tab_flush = 1; | |
326 | } else { | |
327 | fprintf(fp, "deleted action "); | |
328 | } | |
329 | } | |
330 | ||
331 | if (n->nlmsg_type == RTM_NEWACTION) | |
332 | fprintf(fp, "Added action "); | |
333 | tc_print_action(fp, tb[TCA_ACT_TAB]); | |
334 | ||
335 | return 0; | |
336 | } | |
337 | ||
338 | int tc_action_gd(int cmd, unsigned flags, int *argc_p, char ***argv_p) | |
339 | { | |
340 | char k[16]; | |
341 | struct action_util *a = NULL; | |
342 | int argc = *argc_p; | |
343 | char **argv = *argv_p; | |
344 | int prio = 0; | |
345 | int ret = 0; | |
346 | __u32 i; | |
347 | struct rtnl_handle rth; | |
348 | struct sockaddr_nl nladdr; | |
349 | struct rtattr *tail; | |
350 | struct rtattr *tail2; | |
351 | struct nlmsghdr *ans = NULL; | |
352 | ||
353 | struct { | |
354 | struct nlmsghdr n; | |
355 | struct tcamsg t; | |
356 | char buf[MAX_MSG]; | |
357 | } req; | |
358 | ||
359 | req.t.tca_family = AF_UNSPEC; | |
360 | ||
361 | memset(&req, 0, sizeof(req)); | |
362 | ||
363 | memset(&nladdr, 0, sizeof(nladdr)); | |
364 | nladdr.nl_family = AF_NETLINK; | |
365 | ||
366 | req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct tcamsg)); | |
367 | req.n.nlmsg_flags = NLM_F_REQUEST|flags; | |
368 | req.n.nlmsg_type = cmd; | |
369 | argc -=1; | |
370 | argv +=1; | |
371 | ||
372 | ||
4a86fe19 | 373 | tail = NLMSG_TAIL(&req.n); |
68d5ba54 SH |
374 | addattr_l(&req.n, MAX_MSG, TCA_ACT_TAB, NULL, 0); |
375 | ||
376 | while (argc > 0) { | |
377 | if (strcmp(*argv, "action") == 0 ) { | |
378 | argc--; | |
379 | argv++; | |
380 | continue; | |
381 | } else if (strcmp(*argv, "help") == 0) { | |
382 | return -1; | |
383 | } | |
384 | ||
385 | strncpy(k, *argv, sizeof (k) - 1); | |
386 | a = get_action_kind(k); | |
387 | if (NULL == a) { | |
388 | fprintf(stderr, "Error: non existent action: %s\n",k); | |
389 | ret = -1; | |
390 | goto bad_val; | |
391 | } | |
392 | if (strcmp(a->id, k) != 0) { | |
393 | fprintf(stderr, "Error: non existent action: %s\n",k); | |
394 | ret = -1; | |
395 | goto bad_val; | |
396 | } | |
397 | ||
398 | argc -=1; | |
399 | argv +=1; | |
400 | if (argc <= 0) { | |
401 | fprintf(stderr, "Error: no index specified action: %s\n",k); | |
402 | ret = -1; | |
403 | goto bad_val; | |
404 | } | |
405 | ||
406 | if (matches(*argv, "index") == 0) { | |
407 | NEXT_ARG(); | |
408 | if (get_u32(&i, *argv, 10)) { | |
409 | fprintf(stderr, "Illegal \"index\"\n"); | |
410 | ret = -1; | |
411 | goto bad_val; | |
412 | } | |
413 | argc -=1; | |
414 | argv +=1; | |
415 | } else { | |
416 | fprintf(stderr, "Error: no index specified action: %s\n",k); | |
417 | ret = -1; | |
418 | goto bad_val; | |
419 | } | |
420 | ||
4a86fe19 | 421 | tail2 = NLMSG_TAIL(&req.n); |
422 | addattr_l(&req.n, MAX_MSG, ++prio, NULL, 0); | |
423 | addattr_l(&req.n, MAX_MSG, TCA_ACT_KIND, k, strlen(k) + 1); | |
424 | addattr32(&req.n, MAX_MSG, TCA_ACT_INDEX, i); | |
425 | tail2->rta_len = (void *) NLMSG_TAIL(&req.n) - (void *) tail2; | |
68d5ba54 SH |
426 | |
427 | } | |
428 | ||
4a86fe19 | 429 | tail->rta_len = (void *) NLMSG_TAIL(&req.n) - (void *) tail; |
68d5ba54 SH |
430 | |
431 | if (rtnl_open(&rth, 0) < 0) { | |
432 | fprintf(stderr, "Cannot open rtnetlink\n"); | |
433 | exit(1); | |
434 | } | |
435 | ||
436 | req.n.nlmsg_seq = rth.dump = ++rth.seq; | |
437 | if (cmd == RTM_GETACTION) | |
438 | ans = &req.n; | |
439 | if (rtnl_talk(&rth, &req.n, 0, 0, ans, NULL, NULL) < 0) { | |
440 | fprintf(stderr, "We have an error talking to the kernel\n"); | |
441 | rtnl_close(&rth); | |
442 | exit (1); | |
443 | } | |
444 | ||
445 | if (ans && do_print_action(NULL, &req.n, (void*)stdout) < 0) { | |
446 | fprintf(stderr, "Dump terminated\n"); | |
447 | rtnl_close(&rth); | |
448 | exit(1); | |
449 | } | |
450 | ||
451 | *argc_p = argc; | |
452 | *argv_p = argv; | |
453 | rtnl_close(&rth); | |
454 | bad_val: | |
455 | return ret; | |
456 | } | |
457 | ||
458 | int tc_action_modify(int cmd, unsigned flags, int *argc_p, char ***argv_p) | |
459 | { | |
460 | int argc = *argc_p; | |
461 | char **argv = *argv_p; | |
462 | int ret = 0; | |
463 | ||
464 | struct rtnl_handle rth; | |
465 | struct rtattr *tail; | |
466 | struct { | |
467 | struct nlmsghdr n; | |
468 | struct tcamsg t; | |
469 | char buf[MAX_MSG]; | |
470 | } req; | |
471 | ||
472 | req.t.tca_family = AF_UNSPEC; | |
473 | ||
474 | memset(&req, 0, sizeof(req)); | |
475 | ||
476 | req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct tcamsg)); | |
477 | req.n.nlmsg_flags = NLM_F_REQUEST|flags; | |
478 | req.n.nlmsg_type = cmd; | |
4a86fe19 | 479 | tail = NLMSG_TAIL(&req.n); |
68d5ba54 SH |
480 | argc -=1; |
481 | argv +=1; | |
482 | if (parse_action(&argc, &argv, TCA_ACT_TAB, &req.n)) { | |
483 | fprintf(stderr, "Illegal \"action\"\n"); | |
484 | return -1; | |
485 | } | |
4a86fe19 | 486 | tail->rta_len = (void *) NLMSG_TAIL(&req.n) - (void *) tail; |
68d5ba54 SH |
487 | |
488 | if (rtnl_open(&rth, 0) < 0) { | |
489 | fprintf(stderr, "Cannot open rtnetlink\n"); | |
490 | exit(1); | |
491 | } | |
492 | ||
493 | ||
494 | if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0) { | |
495 | fprintf(stderr, "We have an error talking to the kernel\n"); | |
496 | ret = -1; | |
497 | } | |
498 | ||
499 | *argc_p = argc; | |
500 | *argv_p = argv; | |
501 | rtnl_close(&rth); | |
502 | return ret; | |
503 | } | |
504 | ||
505 | int tc_act_list_or_flush(int argc, char **argv, int event) | |
506 | { | |
507 | int ret = 0, prio = 0, msg_size = 0; | |
508 | char k[16]; | |
509 | struct rtnl_handle rth; | |
510 | struct rtattr *tail,*tail2; | |
511 | struct action_util *a = NULL; | |
512 | struct { | |
513 | struct nlmsghdr n; | |
514 | struct tcamsg t; | |
515 | char buf[MAX_MSG]; | |
516 | } req; | |
517 | ||
518 | req.t.tca_family = AF_UNSPEC; | |
519 | ||
520 | memset(&req, 0, sizeof(req)); | |
521 | ||
522 | req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct tcamsg)); | |
523 | ||
4a86fe19 | 524 | tail = NLMSG_TAIL(&req.n); |
68d5ba54 | 525 | addattr_l(&req.n, MAX_MSG, TCA_ACT_TAB, NULL, 0); |
4a86fe19 | 526 | tail2 = NLMSG_TAIL(&req.n); |
68d5ba54 SH |
527 | |
528 | strncpy(k, *argv, sizeof (k) - 1); | |
529 | #ifdef CONFIG_GACT | |
530 | if (!gact_ld) { | |
531 | get_action_kind("gact"); | |
532 | } | |
533 | #endif | |
534 | a = get_action_kind(k); | |
535 | if (NULL == a) { | |
536 | fprintf(stderr,"bad action %s\n",k); | |
537 | goto bad_val; | |
538 | } | |
539 | if (strcmp(a->id, k) != 0) { | |
540 | fprintf(stderr,"bad action %s\n",k); | |
541 | goto bad_val; | |
542 | } | |
543 | strncpy(k, *argv, sizeof (k) - 1); | |
544 | ||
545 | addattr_l(&req.n, MAX_MSG, ++prio, NULL, 0); | |
546 | addattr_l(&req.n, MAX_MSG, TCA_ACT_KIND, k, strlen(k) + 1); | |
4a86fe19 | 547 | tail2->rta_len = (void *) NLMSG_TAIL(&req.n) - (void *) tail2; |
548 | tail->rta_len = (void *) NLMSG_TAIL(&req.n) - (void *) tail; | |
68d5ba54 SH |
549 | |
550 | if (rtnl_open(&rth, 0) < 0) { | |
551 | fprintf(stderr, "Cannot open rtnetlink\n"); | |
552 | exit(1); | |
553 | } | |
554 | ||
555 | msg_size = NLMSG_ALIGN(req.n.nlmsg_len) - NLMSG_ALIGN(sizeof(struct nlmsghdr)); | |
556 | ||
557 | if (event == RTM_GETACTION) { | |
558 | if (rtnl_dump_request(&rth, event, (void *)&req.t, msg_size) < 0) { | |
559 | perror("Cannot send dump request"); | |
560 | exit(1); | |
561 | } | |
562 | ret = rtnl_dump_filter(&rth, do_print_action, stdout, NULL, NULL); | |
563 | } | |
564 | ||
565 | if (event == RTM_DELACTION) { | |
566 | req.n.nlmsg_len = NLMSG_ALIGN(req.n.nlmsg_len); | |
567 | req.n.nlmsg_type = RTM_DELACTION; | |
568 | req.n.nlmsg_flags |= NLM_F_ROOT; | |
569 | req.n.nlmsg_flags |= NLM_F_REQUEST; | |
570 | if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0) { | |
571 | fprintf(stderr, "We have an error flushing\n"); | |
572 | rtnl_close(&rth); | |
573 | exit (1); | |
574 | } | |
575 | ||
576 | } | |
577 | ||
578 | bad_val: | |
579 | ||
580 | rtnl_close(&rth); | |
581 | return ret; | |
582 | } | |
583 | ||
584 | int do_action(int argc, char **argv) | |
585 | { | |
586 | ||
587 | int ret = 0; | |
588 | ||
589 | while (argc > 0) { | |
590 | ||
591 | if (matches(*argv, "add") == 0) { | |
592 | ret = tc_action_modify(RTM_NEWACTION, NLM_F_EXCL|NLM_F_CREATE, &argc, &argv); | |
593 | } else if (matches(*argv, "change") == 0 || | |
594 | matches(*argv, "replace") == 0) { | |
595 | ret = tc_action_modify(RTM_NEWACTION, NLM_F_CREATE|NLM_F_REPLACE, &argc, &argv); | |
596 | } else if (matches(*argv, "delete") == 0) { | |
597 | argc -=1; | |
598 | argv +=1; | |
599 | ret = tc_action_gd(RTM_DELACTION, 0, &argc, &argv); | |
600 | } else if (matches(*argv, "get") == 0) { | |
601 | argc -=1; | |
602 | argv +=1; | |
603 | ret = tc_action_gd(RTM_GETACTION, 0, &argc, &argv); | |
604 | } else if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0 | |
605 | || matches(*argv, "lst") == 0) { | |
606 | if (argc <= 2) { | |
607 | act_usage(); | |
608 | return -1; | |
609 | } | |
610 | return tc_act_list_or_flush(argc-2, argv+2, RTM_GETACTION); | |
611 | } else if (matches(*argv, "flush") == 0) { | |
612 | if (argc <= 2) { | |
613 | act_usage(); | |
614 | return -1; | |
615 | } | |
616 | return tc_act_list_or_flush(argc-2, argv+2, RTM_DELACTION); | |
617 | } else if (matches(*argv, "help") == 0) { | |
618 | act_usage(); | |
619 | return -1; | |
620 | } else { | |
621 | ||
622 | ret = -1; | |
623 | } | |
624 | ||
625 | if (ret < 0) { | |
626 | fprintf(stderr, "Command \"%s\" is unknown, try \"tc action help\".\n", *argv); | |
627 | return -1; | |
628 | } | |
629 | } | |
630 | ||
631 | return 0; | |
632 | } | |
633 |