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dba3c1d3 PG |
1 | /* BGP FlowSpec VTY |
2 | * Copyright (C) 2018 6WIND | |
3 | * | |
4 | * FRRouting is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU General Public License as published by the | |
6 | * Free Software Foundation; either version 2, or (at your option) any | |
7 | * later version. | |
8 | * | |
9 | * FRRouting is distributed in the hope that it will be useful, but | |
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | * General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along | |
15 | * with this program; see the file COPYING; if not, write to the Free Software | |
16 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
17 | */ | |
18 | ||
19 | #include <zebra.h> | |
20 | #include "command.h" | |
21 | ||
22 | #include "bgpd/bgpd.h" | |
23 | #include "bgpd/bgp_table.h" | |
24 | #include "bgpd/bgp_attr.h" | |
25 | #include "bgpd/bgp_ecommunity.h" | |
26 | #include "bgpd/bgp_vty.h" | |
27 | #include "bgpd/bgp_route.h" | |
28 | #include "bgpd/bgp_aspath.h" | |
29 | #include "bgpd/bgp_flowspec.h" | |
30 | #include "bgpd/bgp_flowspec_util.h" | |
31 | #include "bgpd/bgp_flowspec_private.h" | |
268e1b9b | 32 | #include "bgpd/bgp_debug.h" |
b588b642 | 33 | #include "bgpd/bgp_pbr.h" |
dba3c1d3 PG |
34 | |
35 | /* Local Structures and variables declarations | |
36 | * This code block hosts the struct declared that host the flowspec rules | |
37 | * as well as some structure used to convert to stringx | |
38 | */ | |
39 | ||
40 | static const struct message bgp_flowspec_display_large[] = { | |
41 | {FLOWSPEC_DEST_PREFIX, "Destination Address"}, | |
42 | {FLOWSPEC_SRC_PREFIX, "Source Address"}, | |
43 | {FLOWSPEC_IP_PROTOCOL, "IP Protocol"}, | |
44 | {FLOWSPEC_PORT, "Port"}, | |
45 | {FLOWSPEC_DEST_PORT, "Destination Port"}, | |
46 | {FLOWSPEC_SRC_PORT, "Source Port"}, | |
47 | {FLOWSPEC_ICMP_TYPE, "ICMP Type"}, | |
48 | {FLOWSPEC_ICMP_CODE, "ICMP Code"}, | |
49 | {FLOWSPEC_TCP_FLAGS, "TCP Flags"}, | |
50 | {FLOWSPEC_PKT_LEN, "Packet Length"}, | |
51 | {FLOWSPEC_DSCP, "DSCP field"}, | |
52 | {FLOWSPEC_FRAGMENT, "Packet Fragment"}, | |
53 | {0} | |
54 | }; | |
55 | ||
56 | static const struct message bgp_flowspec_display_min[] = { | |
57 | {FLOWSPEC_DEST_PREFIX, "to"}, | |
58 | {FLOWSPEC_SRC_PREFIX, "from"}, | |
59 | {FLOWSPEC_IP_PROTOCOL, "proto"}, | |
60 | {FLOWSPEC_PORT, "port"}, | |
61 | {FLOWSPEC_DEST_PORT, "dstp"}, | |
62 | {FLOWSPEC_SRC_PORT, "srcp"}, | |
63 | {FLOWSPEC_ICMP_TYPE, "type"}, | |
64 | {FLOWSPEC_ICMP_CODE, "code"}, | |
01ffd28b | 65 | {FLOWSPEC_TCP_FLAGS, "tcp"}, |
dba3c1d3 PG |
66 | {FLOWSPEC_PKT_LEN, "pktlen"}, |
67 | {FLOWSPEC_DSCP, "dscp"}, | |
68 | {FLOWSPEC_FRAGMENT, "pktfrag"}, | |
69 | {0} | |
70 | }; | |
71 | ||
362a06e3 PG |
72 | #define FS_STRING_UPDATE(count, ptr, format, remaining_len) do { \ |
73 | int _len_written; \ | |
74 | \ | |
75 | if (((format) == NLRI_STRING_FORMAT_DEBUG) && (count)) {\ | |
76 | _len_written = snprintf((ptr), (remaining_len), \ | |
77 | ", "); \ | |
78 | (remaining_len) -= _len_written; \ | |
79 | (ptr) += _len_written; \ | |
80 | } else if (((format) == NLRI_STRING_FORMAT_MIN) \ | |
81 | && (count)) { \ | |
82 | _len_written = snprintf((ptr), (remaining_len), \ | |
83 | " "); \ | |
84 | (remaining_len) -= _len_written; \ | |
85 | (ptr) += _len_written; \ | |
86 | } \ | |
87 | count++; \ | |
dba3c1d3 PG |
88 | } while (0) |
89 | ||
362a06e3 PG |
90 | /* Parse FLOWSPEC NLRI |
91 | * passed return_string string has assumed length | |
92 | * BGP_FLOWSPEC_STRING_DISPLAY_MAX | |
93 | */ | |
dba3c1d3 | 94 | void bgp_fs_nlri_get_string(unsigned char *nlri_content, size_t len, |
d33fc23b PG |
95 | char *return_string, int format, |
96 | json_object *json_path) | |
dba3c1d3 PG |
97 | { |
98 | uint32_t offset = 0; | |
99 | int type; | |
100 | int ret = 0, error = 0; | |
101 | char *ptr = return_string; | |
102 | char local_string[BGP_FLOWSPEC_STRING_DISPLAY_MAX]; | |
103 | int count = 0; | |
104 | char extra[2] = ""; | |
105 | char pre_extra[2] = ""; | |
106 | const struct message *bgp_flowspec_display; | |
d33fc23b | 107 | enum bgp_flowspec_util_nlri_t type_util; |
362a06e3 PG |
108 | int len_string = BGP_FLOWSPEC_STRING_DISPLAY_MAX; |
109 | int len_written; | |
dba3c1d3 PG |
110 | |
111 | if (format == NLRI_STRING_FORMAT_LARGE) { | |
112 | snprintf(pre_extra, sizeof(pre_extra), "\t"); | |
113 | snprintf(extra, sizeof(extra), "\n"); | |
114 | bgp_flowspec_display = bgp_flowspec_display_large; | |
115 | } else | |
116 | bgp_flowspec_display = bgp_flowspec_display_min; | |
d33fc23b PG |
117 | /* if needed. type_util can be set to other values */ |
118 | type_util = BGP_FLOWSPEC_RETURN_STRING; | |
dba3c1d3 PG |
119 | error = 0; |
120 | while (offset < len-1 && error >= 0) { | |
121 | type = nlri_content[offset]; | |
122 | offset++; | |
123 | switch (type) { | |
124 | case FLOWSPEC_DEST_PREFIX: | |
125 | case FLOWSPEC_SRC_PREFIX: | |
126 | ret = bgp_flowspec_ip_address( | |
d33fc23b | 127 | type_util, |
dba3c1d3 PG |
128 | nlri_content+offset, |
129 | len - offset, | |
130 | local_string, &error); | |
131 | if (ret <= 0) | |
132 | break; | |
d33fc23b PG |
133 | if (json_path) { |
134 | json_object_string_add(json_path, | |
135 | lookup_msg(bgp_flowspec_display, type, ""), | |
136 | local_string); | |
137 | break; | |
138 | } | |
362a06e3 PG |
139 | FS_STRING_UPDATE(count, ptr, format, len_string); |
140 | len_written = snprintf(ptr, len_string, "%s%s %s%s", | |
141 | pre_extra, | |
142 | lookup_msg(bgp_flowspec_display, | |
143 | type, ""), | |
144 | local_string, extra); | |
145 | len_string -= len_written; | |
146 | ptr += len_written; | |
dba3c1d3 PG |
147 | break; |
148 | case FLOWSPEC_IP_PROTOCOL: | |
149 | case FLOWSPEC_PORT: | |
150 | case FLOWSPEC_DEST_PORT: | |
151 | case FLOWSPEC_SRC_PORT: | |
152 | case FLOWSPEC_ICMP_TYPE: | |
153 | case FLOWSPEC_ICMP_CODE: | |
d33fc23b | 154 | ret = bgp_flowspec_op_decode(type_util, |
dba3c1d3 PG |
155 | nlri_content+offset, |
156 | len - offset, | |
157 | local_string, &error); | |
158 | if (ret <= 0) | |
159 | break; | |
d33fc23b PG |
160 | if (json_path) { |
161 | json_object_string_add(json_path, | |
162 | lookup_msg(bgp_flowspec_display, type, ""), | |
163 | local_string); | |
164 | break; | |
165 | } | |
362a06e3 PG |
166 | FS_STRING_UPDATE(count, ptr, format, len_string); |
167 | len_written = snprintf(ptr, len_string, "%s%s %s%s", | |
168 | pre_extra, | |
169 | lookup_msg(bgp_flowspec_display, | |
170 | type, ""), | |
dba3c1d3 | 171 | local_string, extra); |
362a06e3 PG |
172 | len_string -= len_written; |
173 | ptr += len_written; | |
dba3c1d3 PG |
174 | break; |
175 | case FLOWSPEC_TCP_FLAGS: | |
588ec356 | 176 | ret = bgp_flowspec_bitmask_decode( |
d33fc23b | 177 | type_util, |
dba3c1d3 PG |
178 | nlri_content+offset, |
179 | len - offset, | |
180 | local_string, &error); | |
181 | if (ret <= 0) | |
182 | break; | |
d33fc23b PG |
183 | if (json_path) { |
184 | json_object_string_add(json_path, | |
362a06e3 PG |
185 | lookup_msg(bgp_flowspec_display, |
186 | type, ""), | |
d33fc23b PG |
187 | local_string); |
188 | break; | |
189 | } | |
362a06e3 PG |
190 | FS_STRING_UPDATE(count, ptr, format, len_string); |
191 | len_written = snprintf(ptr, len_string, "%s%s %s%s", | |
192 | pre_extra, | |
193 | lookup_msg(bgp_flowspec_display, | |
194 | type, ""), | |
195 | local_string, extra); | |
196 | len_string -= len_written; | |
197 | ptr += len_written; | |
dba3c1d3 PG |
198 | break; |
199 | case FLOWSPEC_PKT_LEN: | |
200 | case FLOWSPEC_DSCP: | |
201 | ret = bgp_flowspec_op_decode( | |
d33fc23b | 202 | type_util, |
dba3c1d3 PG |
203 | nlri_content + offset, |
204 | len - offset, local_string, | |
205 | &error); | |
206 | if (ret <= 0) | |
207 | break; | |
d33fc23b PG |
208 | if (json_path) { |
209 | json_object_string_add(json_path, | |
210 | lookup_msg(bgp_flowspec_display, type, ""), | |
211 | local_string); | |
212 | break; | |
213 | } | |
362a06e3 PG |
214 | FS_STRING_UPDATE(count, ptr, format, len_string); |
215 | len_written = snprintf(ptr, len_string, "%s%s %s%s", | |
216 | pre_extra, | |
217 | lookup_msg(bgp_flowspec_display, | |
218 | type, ""), | |
dba3c1d3 | 219 | local_string, extra); |
362a06e3 PG |
220 | len_string -= len_written; |
221 | ptr += len_written; | |
dba3c1d3 PG |
222 | break; |
223 | case FLOWSPEC_FRAGMENT: | |
588ec356 PG |
224 | ret = bgp_flowspec_bitmask_decode( |
225 | type_util, | |
226 | nlri_content+offset, | |
227 | len - offset, | |
228 | local_string, &error); | |
dba3c1d3 PG |
229 | if (ret <= 0) |
230 | break; | |
d33fc23b PG |
231 | if (json_path) { |
232 | json_object_string_add(json_path, | |
233 | lookup_msg(bgp_flowspec_display, | |
234 | type, ""), | |
235 | local_string); | |
236 | break; | |
237 | } | |
362a06e3 PG |
238 | FS_STRING_UPDATE(count, ptr, format, len_string); |
239 | len_written = snprintf(ptr, len_string, "%s%s %s%s", | |
240 | pre_extra, | |
241 | lookup_msg(bgp_flowspec_display, | |
242 | type, ""), | |
243 | local_string, extra); | |
244 | len_string -= len_written; | |
245 | ptr += len_written; | |
dba3c1d3 PG |
246 | break; |
247 | default: | |
248 | error = -1; | |
249 | break; | |
250 | } | |
251 | offset += ret; | |
252 | } | |
253 | } | |
254 | ||
255 | void route_vty_out_flowspec(struct vty *vty, struct prefix *p, | |
9b6d8fcf | 256 | struct bgp_path_info *path, int display, |
4b7e6066 | 257 | json_object *json_paths) |
dba3c1d3 PG |
258 | { |
259 | struct attr *attr; | |
260 | char return_string[BGP_FLOWSPEC_STRING_DISPLAY_MAX]; | |
261 | char *s; | |
d33fc23b PG |
262 | json_object *json_nlri_path = NULL; |
263 | json_object *json_ecom_path = NULL; | |
264 | json_object *json_time_path = NULL; | |
265 | char timebuf[BGP_UPTIME_LEN]; | |
dba3c1d3 PG |
266 | |
267 | /* Print prefix */ | |
268 | if (p != NULL) { | |
269 | if (p->family != AF_FLOWSPEC) | |
270 | return; | |
d33fc23b PG |
271 | if (json_paths) { |
272 | if (display == NLRI_STRING_FORMAT_JSON) | |
273 | json_nlri_path = json_object_new_object(); | |
274 | else | |
275 | json_nlri_path = json_paths; | |
276 | } | |
9b6d8fcf | 277 | if (display == NLRI_STRING_FORMAT_LARGE && path) |
dba3c1d3 | 278 | vty_out(vty, "BGP flowspec entry: (flags 0x%x)\n", |
9b6d8fcf | 279 | path->flags); |
dba3c1d3 PG |
280 | bgp_fs_nlri_get_string((unsigned char *) |
281 | p->u.prefix_flowspec.ptr, | |
282 | p->u.prefix_flowspec.prefixlen, | |
283 | return_string, | |
d33fc23b PG |
284 | display, |
285 | json_nlri_path); | |
dba3c1d3 PG |
286 | if (display == NLRI_STRING_FORMAT_LARGE) |
287 | vty_out(vty, "%s", return_string); | |
288 | else if (display == NLRI_STRING_FORMAT_DEBUG) | |
289 | vty_out(vty, "%s", return_string); | |
d33fc23b | 290 | else if (display == NLRI_STRING_FORMAT_MIN) |
dba3c1d3 | 291 | vty_out(vty, " %-30s", return_string); |
d33fc23b PG |
292 | else if (json_paths && display == NLRI_STRING_FORMAT_JSON) |
293 | json_object_array_add(json_paths, json_nlri_path); | |
dba3c1d3 | 294 | } |
9b6d8fcf | 295 | if (!path) |
dba3c1d3 | 296 | return; |
9b6d8fcf | 297 | if (path->attr && path->attr->ecommunity) { |
dba3c1d3 | 298 | /* Print attribute */ |
9b6d8fcf | 299 | attr = path->attr; |
dba3c1d3 PG |
300 | s = ecommunity_ecom2str(attr->ecommunity, |
301 | ECOMMUNITY_FORMAT_ROUTE_MAP, 0); | |
302 | if (!s) | |
303 | return; | |
304 | if (display == NLRI_STRING_FORMAT_LARGE) | |
305 | vty_out(vty, "\t%s\n", s); | |
d33fc23b | 306 | else if (display == NLRI_STRING_FORMAT_MIN) |
dba3c1d3 | 307 | vty_out(vty, "%s", s); |
d33fc23b PG |
308 | else if (json_paths) { |
309 | json_ecom_path = json_object_new_object(); | |
310 | json_object_string_add(json_ecom_path, | |
311 | "ecomlist", s); | |
312 | if (display == NLRI_STRING_FORMAT_JSON) | |
313 | json_object_array_add(json_paths, | |
314 | json_ecom_path); | |
315 | } | |
026b914a PG |
316 | if (attr->nexthop.s_addr != 0 && |
317 | display == NLRI_STRING_FORMAT_LARGE) | |
2551b26e PG |
318 | vty_out(vty, "\tNLRI NH %-16s\n", |
319 | inet_ntoa(attr->nexthop)); | |
dba3c1d3 PG |
320 | XFREE(MTYPE_ECOMMUNITY_STR, s); |
321 | } | |
9b6d8fcf | 322 | peer_uptime(path->uptime, timebuf, BGP_UPTIME_LEN, 0, NULL); |
b588b642 PG |
323 | if (display == NLRI_STRING_FORMAT_LARGE) { |
324 | vty_out(vty, "\treceived for %8s\n", timebuf); | |
325 | } else if (json_paths) { | |
d33fc23b PG |
326 | json_time_path = json_object_new_object(); |
327 | json_object_string_add(json_time_path, | |
328 | "time", timebuf); | |
329 | if (display == NLRI_STRING_FORMAT_JSON) | |
330 | json_object_array_add(json_paths, json_time_path); | |
dba3c1d3 | 331 | } |
b588b642 | 332 | if (display == NLRI_STRING_FORMAT_LARGE) { |
18ee8310 | 333 | struct bgp_path_info_extra *extra = |
9b6d8fcf | 334 | bgp_path_info_extra_get(path); |
dba3c1d3 | 335 | |
b588b642 | 336 | if (extra->bgp_fs_pbr) { |
c26edcda | 337 | struct listnode *node; |
b588b642 PG |
338 | struct bgp_pbr_match_entry *bpme; |
339 | struct bgp_pbr_match *bpm; | |
503d1ec6 | 340 | bool list_began = false; |
c26edcda | 341 | struct list *list_bpm; |
b588b642 | 342 | |
c26edcda PG |
343 | list_bpm = list_new(); |
344 | if (listcount(extra->bgp_fs_pbr)) | |
345 | vty_out(vty, "\tinstalled in PBR"); | |
346 | for (ALL_LIST_ELEMENTS_RO(extra->bgp_fs_pbr, | |
347 | node, bpme)) { | |
348 | bpm = bpme->backpointer; | |
349 | if (listnode_lookup(list_bpm, bpm)) | |
350 | continue; | |
351 | listnode_add(list_bpm, bpm); | |
503d1ec6 | 352 | if (!list_began) { |
c26edcda | 353 | vty_out(vty, " ("); |
503d1ec6 PG |
354 | list_began = true; |
355 | } else | |
c26edcda PG |
356 | vty_out(vty, ", "); |
357 | vty_out(vty, "%s", bpm->ipset_name); | |
c26edcda | 358 | } |
503d1ec6 | 359 | if (list_began) |
c26edcda PG |
360 | vty_out(vty, ")"); |
361 | vty_out(vty, "\n"); | |
6a154c88 | 362 | list_delete(&list_bpm); |
b588b642 PG |
363 | } else |
364 | vty_out(vty, "\tnot installed in PBR\n"); | |
365 | } | |
dba3c1d3 PG |
366 | } |
367 | ||
368 | int bgp_show_table_flowspec(struct vty *vty, struct bgp *bgp, afi_t afi, | |
369 | struct bgp_table *table, enum bgp_show_type type, | |
088f1098 DS |
370 | void *output_arg, bool use_json, int is_last, |
371 | unsigned long *output_cum, unsigned long *total_cum) | |
dba3c1d3 | 372 | { |
40381db7 | 373 | struct bgp_path_info *pi; |
dba3c1d3 PG |
374 | struct bgp_node *rn; |
375 | unsigned long total_count = 0; | |
376 | json_object *json_paths = NULL; | |
d33fc23b | 377 | int display = NLRI_STRING_FORMAT_LARGE; |
dba3c1d3 PG |
378 | |
379 | if (type != bgp_show_type_detail) | |
380 | return CMD_SUCCESS; | |
381 | ||
dba3c1d3 PG |
382 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { |
383 | if (rn->info == NULL) | |
384 | continue; | |
d33fc23b PG |
385 | if (use_json) { |
386 | json_paths = json_object_new_array(); | |
387 | display = NLRI_STRING_FORMAT_JSON; | |
388 | } | |
40381db7 | 389 | for (pi = rn->info; pi; pi = pi->next) { |
dba3c1d3 | 390 | total_count++; |
40381db7 | 391 | route_vty_out_flowspec(vty, &rn->p, pi, display, |
dba3c1d3 | 392 | json_paths); |
dba3c1d3 | 393 | } |
d33fc23b PG |
394 | if (use_json) { |
395 | vty_out(vty, "%s\n", | |
396 | json_object_to_json_string_ext( | |
397 | json_paths, | |
398 | JSON_C_TO_STRING_PRETTY)); | |
399 | json_object_free(json_paths); | |
400 | json_paths = NULL; | |
401 | } | |
dba3c1d3 | 402 | } |
d33fc23b | 403 | if (total_count && !use_json) |
dba3c1d3 PG |
404 | vty_out(vty, |
405 | "\nDisplayed %ld flowspec entries\n", | |
406 | total_count); | |
407 | return CMD_SUCCESS; | |
408 | } | |
409 | ||
268e1b9b PG |
410 | DEFUN (debug_bgp_flowspec, |
411 | debug_bgp_flowspec_cmd, | |
412 | "debug bgp flowspec", | |
413 | DEBUG_STR | |
414 | BGP_STR | |
415 | "BGP allow flowspec debugging entries\n") | |
416 | { | |
417 | if (vty->node == CONFIG_NODE) | |
418 | DEBUG_ON(flowspec, FLOWSPEC); | |
419 | else { | |
420 | TERM_DEBUG_ON(flowspec, FLOWSPEC); | |
421 | vty_out(vty, "BGP flowspec debugging is on\n"); | |
422 | } | |
423 | return CMD_SUCCESS; | |
424 | } | |
425 | ||
426 | DEFUN (no_debug_bgp_flowspec, | |
427 | no_debug_bgp_flowspec_cmd, | |
428 | "no debug bgp flowspec", | |
429 | NO_STR | |
430 | DEBUG_STR | |
431 | BGP_STR | |
432 | "BGP allow flowspec debugging entries\n") | |
433 | { | |
434 | if (vty->node == CONFIG_NODE) | |
435 | DEBUG_OFF(flowspec, FLOWSPEC); | |
436 | else { | |
437 | TERM_DEBUG_OFF(flowspec, FLOWSPEC); | |
438 | vty_out(vty, "BGP flowspec debugging is off\n"); | |
439 | } | |
440 | return CMD_SUCCESS; | |
441 | } | |
442 | ||
4762c213 PG |
443 | int bgp_fs_config_write_pbr(struct vty *vty, struct bgp *bgp, |
444 | afi_t afi, safi_t safi) | |
445 | { | |
446 | struct bgp_pbr_interface *pbr_if; | |
447 | bool declare_node = false; | |
448 | struct bgp_pbr_config *bgp_pbr_cfg = bgp->bgp_pbr_cfg; | |
449 | struct bgp_pbr_interface_head *head; | |
450 | bool bgp_pbr_interface_any; | |
451 | ||
452 | if (!bgp_pbr_cfg || safi != SAFI_FLOWSPEC || afi != AFI_IP) | |
453 | return 0; | |
454 | head = &(bgp_pbr_cfg->ifaces_by_name_ipv4); | |
455 | bgp_pbr_interface_any = bgp_pbr_cfg->pbr_interface_any_ipv4; | |
456 | if (!RB_EMPTY(bgp_pbr_interface_head, head) || | |
457 | !bgp_pbr_interface_any) | |
458 | declare_node = true; | |
459 | RB_FOREACH (pbr_if, bgp_pbr_interface_head, head) { | |
460 | vty_out(vty, " local-install %s\n", pbr_if->name); | |
461 | } | |
4762c213 PG |
462 | return declare_node ? 1 : 0; |
463 | } | |
464 | ||
465 | static int bgp_fs_local_install_interface(struct bgp *bgp, | |
466 | const char *no, const char *ifname) | |
467 | { | |
468 | struct bgp_pbr_interface *pbr_if; | |
469 | struct bgp_pbr_config *bgp_pbr_cfg = bgp->bgp_pbr_cfg; | |
470 | struct bgp_pbr_interface_head *head; | |
471 | bool *bgp_pbr_interface_any; | |
472 | ||
473 | if (!bgp_pbr_cfg) | |
474 | return CMD_SUCCESS; | |
475 | head = &(bgp_pbr_cfg->ifaces_by_name_ipv4); | |
476 | bgp_pbr_interface_any = &(bgp_pbr_cfg->pbr_interface_any_ipv4); | |
477 | if (no) { | |
478 | if (!ifname) { | |
479 | if (*bgp_pbr_interface_any) { | |
480 | *bgp_pbr_interface_any = false; | |
481 | /* remove all other interface list */ | |
482 | bgp_pbr_reset(bgp, AFI_IP); | |
483 | } | |
484 | return CMD_SUCCESS; | |
485 | } | |
486 | pbr_if = bgp_pbr_interface_lookup(ifname, head); | |
487 | if (!pbr_if) | |
488 | return CMD_SUCCESS; | |
489 | RB_REMOVE(bgp_pbr_interface_head, head, pbr_if); | |
490 | return CMD_SUCCESS; | |
491 | } | |
492 | if (ifname) { | |
493 | pbr_if = bgp_pbr_interface_lookup(ifname, head); | |
494 | if (pbr_if) | |
495 | return CMD_SUCCESS; | |
496 | pbr_if = XCALLOC(MTYPE_TMP, | |
497 | sizeof(struct bgp_pbr_interface)); | |
498 | strlcpy(pbr_if->name, ifname, INTERFACE_NAMSIZ); | |
499 | RB_INSERT(bgp_pbr_interface_head, head, pbr_if); | |
500 | *bgp_pbr_interface_any = false; | |
501 | } else { | |
502 | /* set to default */ | |
503 | if (!*bgp_pbr_interface_any) { | |
504 | /* remove all other interface list | |
505 | */ | |
506 | bgp_pbr_reset(bgp, AFI_IP); | |
507 | *bgp_pbr_interface_any = true; | |
508 | } | |
509 | } | |
510 | return CMD_SUCCESS; | |
511 | } | |
512 | ||
513 | DEFUN (bgp_fs_local_install_ifname, | |
514 | bgp_fs_local_install_ifname_cmd, | |
515 | "[no] local-install INTERFACE", | |
516 | NO_STR | |
517 | "Apply local policy routing\n" | |
518 | "Interface name\n") | |
519 | { | |
520 | struct bgp *bgp = VTY_GET_CONTEXT(bgp); | |
521 | int idx = 0; | |
36de6e0e | 522 | const char *no = strmatch(argv[0]->text, "no") ? "no" : NULL; |
4762c213 PG |
523 | char *ifname = argv_find(argv, argc, "INTERFACE", &idx) ? |
524 | argv[idx]->arg : NULL; | |
525 | ||
526 | return bgp_fs_local_install_interface(bgp, no, ifname); | |
527 | } | |
528 | ||
088f1098 DS |
529 | extern int bgp_flowspec_display_match_per_ip(afi_t afi, struct bgp_table *rib, |
530 | struct prefix *match, | |
531 | int prefix_check, struct vty *vty, | |
532 | bool use_json, | |
533 | json_object *json_paths) | |
63a0b7a9 PG |
534 | { |
535 | struct bgp_node *rn; | |
536 | struct prefix *prefix; | |
537 | int display = 0; | |
538 | ||
539 | for (rn = bgp_table_top(rib); rn; rn = bgp_route_next(rn)) { | |
540 | prefix = &rn->p; | |
541 | ||
542 | if (prefix->family != AF_FLOWSPEC) | |
543 | continue; | |
544 | ||
545 | if (bgp_flowspec_contains_prefix(prefix, match, prefix_check)) { | |
546 | route_vty_out_flowspec(vty, &rn->p, | |
547 | rn->info, use_json ? | |
548 | NLRI_STRING_FORMAT_JSON : | |
549 | NLRI_STRING_FORMAT_LARGE, | |
550 | json_paths); | |
551 | display++; | |
552 | } | |
553 | } | |
554 | return display; | |
555 | } | |
556 | ||
dba3c1d3 PG |
557 | void bgp_flowspec_vty_init(void) |
558 | { | |
268e1b9b PG |
559 | install_element(ENABLE_NODE, &debug_bgp_flowspec_cmd); |
560 | install_element(CONFIG_NODE, &debug_bgp_flowspec_cmd); | |
561 | install_element(ENABLE_NODE, &no_debug_bgp_flowspec_cmd); | |
562 | install_element(CONFIG_NODE, &no_debug_bgp_flowspec_cmd); | |
4762c213 | 563 | install_element(BGP_FLOWSPECV4_NODE, &bgp_fs_local_install_ifname_cmd); |
dba3c1d3 | 564 | } |