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Commit | Line | Data |
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aba5acdf SH |
1 | /* |
2 | * ipaddress.c "ip address". | |
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/ioctl.h> | |
19 | #include <sys/socket.h> | |
20 | #include <sys/ioctl.h> | |
3d866ba2 | 21 | #include <sys/errno.h> |
aba5acdf SH |
22 | #include <netinet/in.h> |
23 | #include <arpa/inet.h> | |
24 | #include <string.h> | |
25 | #include <fnmatch.h> | |
26 | ||
e5779fb2 SH |
27 | #include <linux/netdevice.h> |
28 | #include <linux/if_arp.h> | |
29 | #include <linux/sockios.h> | |
30 | ||
aba5acdf SH |
31 | #include "rt_names.h" |
32 | #include "utils.h" | |
33 | #include "ll_map.h" | |
34 | #include "ip_common.h" | |
35 | ||
7b3d366e | 36 | |
aba5acdf SH |
37 | static struct |
38 | { | |
39 | int ifindex; | |
40 | int family; | |
41 | int oneline; | |
42 | int showqueue; | |
43 | inet_prefix pfx; | |
44 | int scope, scopemask; | |
45 | int flags, flagmask; | |
46 | int up; | |
47 | char *label; | |
48 | int flushed; | |
49 | char *flushb; | |
50 | int flushp; | |
51 | int flushe; | |
ac694c33 | 52 | int group; |
aba5acdf SH |
53 | } filter; |
54 | ||
55 | static int do_link; | |
56 | ||
57 | static void usage(void) __attribute__((noreturn)); | |
58 | ||
59 | static void usage(void) | |
60 | { | |
61 | if (do_link) { | |
62 | iplink_usage(); | |
63 | } | |
0aef366b | 64 | fprintf(stderr, "Usage: ip addr {add|change|replace} IFADDR dev STRING [ LIFETIME ]\n"); |
a1f27794 | 65 | fprintf(stderr, " [ CONFFLAG-LIST ]\n"); |
35546df7 | 66 | fprintf(stderr, " ip addr del IFADDR dev STRING\n"); |
aba5acdf SH |
67 | fprintf(stderr, " ip addr {show|flush} [ dev STRING ] [ scope SCOPE-ID ]\n"); |
68 | fprintf(stderr, " [ to PREFIX ] [ FLAG-LIST ] [ label PATTERN ]\n"); | |
69 | fprintf(stderr, "IFADDR := PREFIX | ADDR peer PREFIX\n"); | |
70 | fprintf(stderr, " [ broadcast ADDR ] [ anycast ADDR ]\n"); | |
71 | fprintf(stderr, " [ label STRING ] [ scope SCOPE-ID ]\n"); | |
72 | fprintf(stderr, "SCOPE-ID := [ host | link | global | NUMBER ]\n"); | |
73 | fprintf(stderr, "FLAG-LIST := [ FLAG-LIST ] FLAG\n"); | |
74 | fprintf(stderr, "FLAG := [ permanent | dynamic | secondary | primary |\n"); | |
a1b9ffcc | 75 | fprintf(stderr, " tentative | deprecated | dadfailed | temporary |\n"); |
a1f27794 | 76 | fprintf(stderr, " CONFFLAG-LIST ]\n"); |
bac735c5 NT |
77 | fprintf(stderr, "CONFFLAG-LIST := [ CONFFLAG-LIST ] CONFFLAG\n"); |
78 | fprintf(stderr, "CONFFLAG := [ home | nodad ]\n"); | |
35546df7 MN |
79 | fprintf(stderr, "LIFETIME := [ valid_lft LFT ] [ preferred_lft LFT ]\n"); |
80 | fprintf(stderr, "LFT := forever | SECONDS\n"); | |
81 | ||
aba5acdf SH |
82 | exit(-1); |
83 | } | |
84 | ||
85 | void print_link_flags(FILE *fp, unsigned flags, unsigned mdown) | |
86 | { | |
87 | fprintf(fp, "<"); | |
73b49e9f | 88 | if (flags & IFF_UP && !(flags & IFF_RUNNING)) |
89 | fprintf(fp, "NO-CARRIER%s", flags ? "," : ""); | |
aba5acdf SH |
90 | flags &= ~IFF_RUNNING; |
91 | #define _PF(f) if (flags&IFF_##f) { \ | |
92 | flags &= ~IFF_##f ; \ | |
93 | fprintf(fp, #f "%s", flags ? "," : ""); } | |
94 | _PF(LOOPBACK); | |
95 | _PF(BROADCAST); | |
96 | _PF(POINTOPOINT); | |
97 | _PF(MULTICAST); | |
98 | _PF(NOARP); | |
99 | _PF(ALLMULTI); | |
100 | _PF(PROMISC); | |
101 | _PF(MASTER); | |
102 | _PF(SLAVE); | |
103 | _PF(DEBUG); | |
104 | _PF(DYNAMIC); | |
105 | _PF(AUTOMEDIA); | |
106 | _PF(PORTSEL); | |
107 | _PF(NOTRAILERS); | |
108 | _PF(UP); | |
dcb283c3 TG |
109 | _PF(LOWER_UP); |
110 | _PF(DORMANT); | |
98f9a1d2 | 111 | _PF(ECHO); |
aba5acdf SH |
112 | #undef _PF |
113 | if (flags) | |
114 | fprintf(fp, "%x", flags); | |
115 | if (mdown) | |
116 | fprintf(fp, ",M-DOWN"); | |
117 | fprintf(fp, "> "); | |
118 | } | |
119 | ||
3d866ba2 SH |
120 | static const char *oper_states[] = { |
121 | "UNKNOWN", "NOTPRESENT", "DOWN", "LOWERLAYERDOWN", | |
122 | "TESTING", "DORMANT", "UP" | |
123 | }; | |
124 | ||
125 | static void print_operstate(FILE *f, __u8 state) | |
126 | { | |
127 | if (state >= sizeof(oper_states)/sizeof(oper_states[0])) | |
128 | fprintf(f, "state %#x ", state); | |
129 | else | |
130 | fprintf(f, "state %s ", oper_states[state]); | |
131 | } | |
132 | ||
133 | static void print_queuelen(FILE *f, const char *name) | |
aba5acdf SH |
134 | { |
135 | struct ifreq ifr; | |
136 | int s; | |
137 | ||
138 | s = socket(AF_INET, SOCK_STREAM, 0); | |
139 | if (s < 0) | |
140 | return; | |
141 | ||
142 | memset(&ifr, 0, sizeof(ifr)); | |
143 | strcpy(ifr.ifr_name, name); | |
ae665a52 | 144 | if (ioctl(s, SIOCGIFTXQLEN, &ifr) < 0) { |
3d866ba2 | 145 | fprintf(f, "ioctl(SIOCGIFXQLEN) failed: %s\n", strerror(errno)); |
aba5acdf SH |
146 | close(s); |
147 | return; | |
148 | } | |
149 | close(s); | |
150 | ||
151 | if (ifr.ifr_qlen) | |
3d866ba2 | 152 | fprintf(f, "qlen %d", ifr.ifr_qlen); |
aba5acdf SH |
153 | } |
154 | ||
1d934839 PM |
155 | static void print_linktype(FILE *fp, struct rtattr *tb) |
156 | { | |
157 | struct rtattr *linkinfo[IFLA_INFO_MAX+1]; | |
158 | struct link_util *lu; | |
159 | char *kind; | |
160 | ||
161 | parse_rtattr_nested(linkinfo, IFLA_INFO_MAX, tb); | |
162 | ||
163 | if (!linkinfo[IFLA_INFO_KIND]) | |
164 | return; | |
165 | kind = RTA_DATA(linkinfo[IFLA_INFO_KIND]); | |
166 | ||
167 | fprintf(fp, "%s", _SL_); | |
168 | fprintf(fp, " %s ", kind); | |
169 | ||
170 | lu = get_link_kind(kind); | |
171 | if (!lu || !lu->print_opt) | |
172 | return; | |
173 | ||
174 | if (1) { | |
175 | struct rtattr *attr[lu->maxattr+1], **data = NULL; | |
176 | ||
177 | if (linkinfo[IFLA_INFO_DATA]) { | |
178 | parse_rtattr_nested(attr, lu->maxattr, | |
179 | linkinfo[IFLA_INFO_DATA]); | |
180 | data = attr; | |
181 | } | |
182 | lu->print_opt(lu, fp, data); | |
183 | ||
184 | if (linkinfo[IFLA_INFO_XSTATS] && show_stats && | |
185 | lu->print_xstats) | |
186 | lu->print_xstats(lu, fp, linkinfo[IFLA_INFO_XSTATS]); | |
187 | } | |
188 | } | |
189 | ||
3fd86630 CW |
190 | static void print_vfinfo(FILE *fp, struct rtattr *vfinfo) |
191 | { | |
192 | struct ifla_vf_mac *vf_mac; | |
193 | struct ifla_vf_vlan *vf_vlan; | |
194 | struct ifla_vf_tx_rate *vf_tx_rate; | |
195 | struct rtattr *vf[IFLA_VF_MAX+1]; | |
196 | SPRINT_BUF(b1); | |
197 | ||
198 | if (vfinfo->rta_type != IFLA_VF_INFO) { | |
199 | fprintf(stderr, "BUG: rta type is %d\n", vfinfo->rta_type); | |
200 | return; | |
201 | } | |
202 | ||
203 | parse_rtattr_nested(vf, IFLA_VF_MAX, vfinfo); | |
204 | ||
205 | vf_mac = RTA_DATA(vf[IFLA_VF_MAC]); | |
206 | vf_vlan = RTA_DATA(vf[IFLA_VF_VLAN]); | |
207 | vf_tx_rate = RTA_DATA(vf[IFLA_VF_TX_RATE]); | |
208 | ||
209 | fprintf(fp, "\n vf %d MAC %s", vf_mac->vf, | |
210 | ll_addr_n2a((unsigned char *)&vf_mac->mac, | |
211 | ETH_ALEN, 0, b1, sizeof(b1))); | |
212 | if (vf_vlan->vlan) | |
213 | fprintf(fp, ", vlan %d", vf_vlan->vlan); | |
214 | if (vf_vlan->qos) | |
215 | fprintf(fp, ", qos %d", vf_vlan->qos); | |
216 | if (vf_tx_rate->rate) | |
217 | fprintf(fp, ", tx rate %d (Mbps)", vf_tx_rate->rate); | |
218 | } | |
219 | ||
ae665a52 | 220 | int print_linkinfo(const struct sockaddr_nl *who, |
50772dc5 | 221 | struct nlmsghdr *n, void *arg) |
aba5acdf SH |
222 | { |
223 | FILE *fp = (FILE*)arg; | |
224 | struct ifinfomsg *ifi = NLMSG_DATA(n); | |
225 | struct rtattr * tb[IFLA_MAX+1]; | |
226 | int len = n->nlmsg_len; | |
227 | unsigned m_flag = 0; | |
228 | ||
229 | if (n->nlmsg_type != RTM_NEWLINK && n->nlmsg_type != RTM_DELLINK) | |
230 | return 0; | |
231 | ||
232 | len -= NLMSG_LENGTH(sizeof(*ifi)); | |
233 | if (len < 0) | |
234 | return -1; | |
235 | ||
236 | if (filter.ifindex && ifi->ifi_index != filter.ifindex) | |
237 | return 0; | |
238 | if (filter.up && !(ifi->ifi_flags&IFF_UP)) | |
239 | return 0; | |
240 | ||
aba5acdf SH |
241 | parse_rtattr(tb, IFLA_MAX, IFLA_RTA(ifi), len); |
242 | if (tb[IFLA_IFNAME] == NULL) { | |
4cd23bdd | 243 | fprintf(stderr, "BUG: device with ifindex %d has nil ifname\n", ifi->ifi_index); |
aba5acdf SH |
244 | } |
245 | if (filter.label && | |
246 | (!filter.family || filter.family == AF_PACKET) && | |
247 | fnmatch(filter.label, RTA_DATA(tb[IFLA_IFNAME]), 0)) | |
248 | return 0; | |
249 | ||
ac694c33 VD |
250 | if (tb[IFLA_GROUP]) { |
251 | int group = *(int*)RTA_DATA(tb[IFLA_GROUP]); | |
252 | if (group != filter.group) | |
253 | return -1; | |
254 | } | |
255 | ||
aba5acdf SH |
256 | if (n->nlmsg_type == RTM_DELLINK) |
257 | fprintf(fp, "Deleted "); | |
258 | ||
259 | fprintf(fp, "%d: %s", ifi->ifi_index, | |
260 | tb[IFLA_IFNAME] ? (char*)RTA_DATA(tb[IFLA_IFNAME]) : "<nil>"); | |
261 | ||
262 | if (tb[IFLA_LINK]) { | |
263 | SPRINT_BUF(b1); | |
264 | int iflink = *(int*)RTA_DATA(tb[IFLA_LINK]); | |
265 | if (iflink == 0) | |
266 | fprintf(fp, "@NONE: "); | |
267 | else { | |
268 | fprintf(fp, "@%s: ", ll_idx_n2a(iflink, b1)); | |
269 | m_flag = ll_index_to_flags(iflink); | |
270 | m_flag = !(m_flag & IFF_UP); | |
271 | } | |
272 | } else { | |
273 | fprintf(fp, ": "); | |
274 | } | |
275 | print_link_flags(fp, ifi->ifi_flags, m_flag); | |
276 | ||
277 | if (tb[IFLA_MTU]) | |
278 | fprintf(fp, "mtu %u ", *(int*)RTA_DATA(tb[IFLA_MTU])); | |
279 | if (tb[IFLA_QDISC]) | |
280 | fprintf(fp, "qdisc %s ", (char*)RTA_DATA(tb[IFLA_QDISC])); | |
281 | #ifdef IFLA_MASTER | |
282 | if (tb[IFLA_MASTER]) { | |
283 | SPRINT_BUF(b1); | |
284 | fprintf(fp, "master %s ", ll_idx_n2a(*(int*)RTA_DATA(tb[IFLA_MASTER]), b1)); | |
285 | } | |
286 | #endif | |
3d866ba2 SH |
287 | if (tb[IFLA_OPERSTATE]) |
288 | print_operstate(fp, *(__u8 *)RTA_DATA(tb[IFLA_OPERSTATE])); | |
289 | ||
aba5acdf | 290 | if (filter.showqueue) |
3d866ba2 | 291 | print_queuelen(fp, (char*)RTA_DATA(tb[IFLA_IFNAME])); |
ae665a52 | 292 | |
aba5acdf SH |
293 | if (!filter.family || filter.family == AF_PACKET) { |
294 | SPRINT_BUF(b1); | |
295 | fprintf(fp, "%s", _SL_); | |
296 | fprintf(fp, " link/%s ", ll_type_n2a(ifi->ifi_type, b1, sizeof(b1))); | |
297 | ||
298 | if (tb[IFLA_ADDRESS]) { | |
299 | fprintf(fp, "%s", ll_addr_n2a(RTA_DATA(tb[IFLA_ADDRESS]), | |
300 | RTA_PAYLOAD(tb[IFLA_ADDRESS]), | |
301 | ifi->ifi_type, | |
302 | b1, sizeof(b1))); | |
303 | } | |
304 | if (tb[IFLA_BROADCAST]) { | |
305 | if (ifi->ifi_flags&IFF_POINTOPOINT) | |
306 | fprintf(fp, " peer "); | |
307 | else | |
308 | fprintf(fp, " brd "); | |
309 | fprintf(fp, "%s", ll_addr_n2a(RTA_DATA(tb[IFLA_BROADCAST]), | |
310 | RTA_PAYLOAD(tb[IFLA_BROADCAST]), | |
311 | ifi->ifi_type, | |
312 | b1, sizeof(b1))); | |
313 | } | |
314 | } | |
1d934839 PM |
315 | |
316 | if (do_link && tb[IFLA_LINKINFO] && show_details) | |
317 | print_linktype(fp, tb[IFLA_LINKINFO]); | |
318 | ||
ace9c961 SH |
319 | if (do_link && tb[IFLA_IFALIAS]) |
320 | fprintf(fp,"\n alias %s", | |
321 | (const char *) RTA_DATA(tb[IFLA_IFALIAS])); | |
322 | ||
8864ac9d JE |
323 | if (do_link && tb[IFLA_STATS64] && show_stats) { |
324 | struct rtnl_link_stats64 slocal; | |
325 | struct rtnl_link_stats64 *s = RTA_DATA(tb[IFLA_STATS64]); | |
326 | if (((unsigned long)s) & (sizeof(unsigned long)-1)) { | |
327 | memcpy(&slocal, s, sizeof(slocal)); | |
328 | s = &slocal; | |
329 | } | |
330 | fprintf(fp, "%s", _SL_); | |
331 | fprintf(fp, " RX: bytes packets errors dropped overrun mcast %s%s", | |
332 | s->rx_compressed ? "compressed" : "", _SL_); | |
333 | fprintf(fp, " %-10llu %-8llu %-7llu %-7llu %-7llu %-7llu", | |
334 | (unsigned long long)s->rx_bytes, | |
335 | (unsigned long long)s->rx_packets, | |
336 | (unsigned long long)s->rx_errors, | |
337 | (unsigned long long)s->rx_dropped, | |
338 | (unsigned long long)s->rx_over_errors, | |
339 | (unsigned long long)s->multicast); | |
340 | if (s->rx_compressed) | |
341 | fprintf(fp, " %-7llu", | |
342 | (unsigned long long)s->rx_compressed); | |
343 | if (show_stats > 1) { | |
344 | fprintf(fp, "%s", _SL_); | |
345 | fprintf(fp, " RX errors: length crc frame fifo missed%s", _SL_); | |
346 | fprintf(fp, " %-7llu %-7llu %-7llu %-7llu %-7llu", | |
347 | (unsigned long long)s->rx_length_errors, | |
348 | (unsigned long long)s->rx_crc_errors, | |
349 | (unsigned long long)s->rx_frame_errors, | |
350 | (unsigned long long)s->rx_fifo_errors, | |
351 | (unsigned long long)s->rx_missed_errors); | |
352 | } | |
353 | fprintf(fp, "%s", _SL_); | |
354 | fprintf(fp, " TX: bytes packets errors dropped carrier collsns %s%s", | |
355 | s->tx_compressed ? "compressed" : "", _SL_); | |
356 | fprintf(fp, " %-10llu %-8llu %-7llu %-7llu %-7llu %-7llu", | |
357 | (unsigned long long)s->tx_bytes, | |
358 | (unsigned long long)s->tx_packets, | |
359 | (unsigned long long)s->tx_errors, | |
360 | (unsigned long long)s->tx_dropped, | |
361 | (unsigned long long)s->tx_carrier_errors, | |
362 | (unsigned long long)s->collisions); | |
363 | if (s->tx_compressed) | |
364 | fprintf(fp, " %-7llu", | |
365 | (unsigned long long)s->tx_compressed); | |
366 | if (show_stats > 1) { | |
367 | fprintf(fp, "%s", _SL_); | |
368 | fprintf(fp, " TX errors: aborted fifo window heartbeat%s", _SL_); | |
369 | fprintf(fp, " %-7llu %-7llu %-7llu %-7llu", | |
370 | (unsigned long long)s->tx_aborted_errors, | |
371 | (unsigned long long)s->tx_fifo_errors, | |
372 | (unsigned long long)s->tx_window_errors, | |
373 | (unsigned long long)s->tx_heartbeat_errors); | |
374 | } | |
375 | } | |
376 | if (do_link && !tb[IFLA_STATS64] && tb[IFLA_STATS] && show_stats) { | |
ae0f1443 | 377 | struct rtnl_link_stats slocal; |
378 | struct rtnl_link_stats *s = RTA_DATA(tb[IFLA_STATS]); | |
aba5acdf SH |
379 | if (((unsigned long)s) & (sizeof(unsigned long)-1)) { |
380 | memcpy(&slocal, s, sizeof(slocal)); | |
381 | s = &slocal; | |
382 | } | |
383 | fprintf(fp, "%s", _SL_); | |
384 | fprintf(fp, " RX: bytes packets errors dropped overrun mcast %s%s", | |
385 | s->rx_compressed ? "compressed" : "", _SL_); | |
ae0f1443 | 386 | fprintf(fp, " %-10u %-8u %-7u %-7u %-7u %-7u", |
aba5acdf SH |
387 | s->rx_bytes, s->rx_packets, s->rx_errors, |
388 | s->rx_dropped, s->rx_over_errors, | |
389 | s->multicast | |
390 | ); | |
391 | if (s->rx_compressed) | |
ae0f1443 | 392 | fprintf(fp, " %-7u", s->rx_compressed); |
aba5acdf SH |
393 | if (show_stats > 1) { |
394 | fprintf(fp, "%s", _SL_); | |
395 | fprintf(fp, " RX errors: length crc frame fifo missed%s", _SL_); | |
ae0f1443 | 396 | fprintf(fp, " %-7u %-7u %-7u %-7u %-7u", |
aba5acdf SH |
397 | s->rx_length_errors, |
398 | s->rx_crc_errors, | |
399 | s->rx_frame_errors, | |
400 | s->rx_fifo_errors, | |
401 | s->rx_missed_errors | |
402 | ); | |
403 | } | |
404 | fprintf(fp, "%s", _SL_); | |
405 | fprintf(fp, " TX: bytes packets errors dropped carrier collsns %s%s", | |
406 | s->tx_compressed ? "compressed" : "", _SL_); | |
ae0f1443 | 407 | fprintf(fp, " %-10u %-8u %-7u %-7u %-7u %-7u", |
aba5acdf SH |
408 | s->tx_bytes, s->tx_packets, s->tx_errors, |
409 | s->tx_dropped, s->tx_carrier_errors, s->collisions); | |
410 | if (s->tx_compressed) | |
ae0f1443 | 411 | fprintf(fp, " %-7u", s->tx_compressed); |
aba5acdf SH |
412 | if (show_stats > 1) { |
413 | fprintf(fp, "%s", _SL_); | |
414 | fprintf(fp, " TX errors: aborted fifo window heartbeat%s", _SL_); | |
ae0f1443 | 415 | fprintf(fp, " %-7u %-7u %-7u %-7u", |
aba5acdf SH |
416 | s->tx_aborted_errors, |
417 | s->tx_fifo_errors, | |
418 | s->tx_window_errors, | |
419 | s->tx_heartbeat_errors | |
420 | ); | |
421 | } | |
ae7229d5 | 422 | } |
3fd86630 CW |
423 | if (do_link && tb[IFLA_VFINFO_LIST] && tb[IFLA_NUM_VF]) { |
424 | struct rtattr *i, *vflist = tb[IFLA_VFINFO_LIST]; | |
425 | int rem = RTA_PAYLOAD(vflist); | |
426 | for (i = RTA_DATA(vflist); RTA_OK(i, rem); i = RTA_NEXT(i, rem)) | |
427 | print_vfinfo(fp, i); | |
aba5acdf | 428 | } |
3fd86630 | 429 | |
aba5acdf SH |
430 | fprintf(fp, "\n"); |
431 | fflush(fp); | |
432 | return 0; | |
433 | } | |
434 | ||
435 | static int flush_update(void) | |
436 | { | |
f31a37f7 | 437 | if (rtnl_send_check(&rth, filter.flushb, filter.flushp) < 0) { |
1fb0a998 | 438 | perror("Failed to send flush request"); |
aba5acdf SH |
439 | return -1; |
440 | } | |
441 | filter.flushp = 0; | |
442 | return 0; | |
443 | } | |
444 | ||
35546df7 MN |
445 | static int set_lifetime(unsigned int *lifetime, char *argv) |
446 | { | |
447 | if (strcmp(argv, "forever") == 0) | |
141bb606 | 448 | *lifetime = INFINITY_LIFE_TIME; |
35546df7 MN |
449 | else if (get_u32(lifetime, argv, 0)) |
450 | return -1; | |
451 | ||
452 | return 0; | |
453 | } | |
454 | ||
ae665a52 | 455 | int print_addrinfo(const struct sockaddr_nl *who, struct nlmsghdr *n, |
6dc9f016 | 456 | void *arg) |
aba5acdf SH |
457 | { |
458 | FILE *fp = (FILE*)arg; | |
459 | struct ifaddrmsg *ifa = NLMSG_DATA(n); | |
460 | int len = n->nlmsg_len; | |
037d950b | 461 | int deprecated = 0; |
3bc1c4f2 BG |
462 | /* Use local copy of ifa_flags to not interfere with filtering code */ |
463 | unsigned int ifa_flags; | |
aba5acdf SH |
464 | struct rtattr * rta_tb[IFA_MAX+1]; |
465 | char abuf[256]; | |
466 | SPRINT_BUF(b1); | |
467 | ||
468 | if (n->nlmsg_type != RTM_NEWADDR && n->nlmsg_type != RTM_DELADDR) | |
469 | return 0; | |
470 | len -= NLMSG_LENGTH(sizeof(*ifa)); | |
471 | if (len < 0) { | |
472 | fprintf(stderr, "BUG: wrong nlmsg len %d\n", len); | |
473 | return -1; | |
474 | } | |
475 | ||
476 | if (filter.flushb && n->nlmsg_type != RTM_NEWADDR) | |
477 | return 0; | |
478 | ||
aba5acdf SH |
479 | parse_rtattr(rta_tb, IFA_MAX, IFA_RTA(ifa), n->nlmsg_len - NLMSG_LENGTH(sizeof(*ifa))); |
480 | ||
481 | if (!rta_tb[IFA_LOCAL]) | |
482 | rta_tb[IFA_LOCAL] = rta_tb[IFA_ADDRESS]; | |
483 | if (!rta_tb[IFA_ADDRESS]) | |
484 | rta_tb[IFA_ADDRESS] = rta_tb[IFA_LOCAL]; | |
485 | ||
486 | if (filter.ifindex && filter.ifindex != ifa->ifa_index) | |
487 | return 0; | |
488 | if ((filter.scope^ifa->ifa_scope)&filter.scopemask) | |
489 | return 0; | |
490 | if ((filter.flags^ifa->ifa_flags)&filter.flagmask) | |
491 | return 0; | |
492 | if (filter.label) { | |
493 | SPRINT_BUF(b1); | |
494 | const char *label; | |
495 | if (rta_tb[IFA_LABEL]) | |
496 | label = RTA_DATA(rta_tb[IFA_LABEL]); | |
497 | else | |
498 | label = ll_idx_n2a(ifa->ifa_index, b1); | |
499 | if (fnmatch(filter.label, label, 0) != 0) | |
500 | return 0; | |
501 | } | |
502 | if (filter.pfx.family) { | |
503 | if (rta_tb[IFA_LOCAL]) { | |
504 | inet_prefix dst; | |
505 | memset(&dst, 0, sizeof(dst)); | |
506 | dst.family = ifa->ifa_family; | |
507 | memcpy(&dst.data, RTA_DATA(rta_tb[IFA_LOCAL]), RTA_PAYLOAD(rta_tb[IFA_LOCAL])); | |
508 | if (inet_addr_match(&dst, &filter.pfx, filter.pfx.bitlen)) | |
509 | return 0; | |
510 | } | |
511 | } | |
512 | ||
3eb1731b | 513 | if (filter.family && filter.family != ifa->ifa_family) |
514 | return 0; | |
515 | ||
aba5acdf SH |
516 | if (filter.flushb) { |
517 | struct nlmsghdr *fn; | |
518 | if (NLMSG_ALIGN(filter.flushp) + n->nlmsg_len > filter.flushe) { | |
519 | if (flush_update()) | |
520 | return -1; | |
521 | } | |
522 | fn = (struct nlmsghdr*)(filter.flushb + NLMSG_ALIGN(filter.flushp)); | |
523 | memcpy(fn, n, n->nlmsg_len); | |
524 | fn->nlmsg_type = RTM_DELADDR; | |
525 | fn->nlmsg_flags = NLM_F_REQUEST; | |
351efcde | 526 | fn->nlmsg_seq = ++rth.seq; |
aba5acdf SH |
527 | filter.flushp = (((char*)fn) + n->nlmsg_len) - filter.flushb; |
528 | filter.flushed++; | |
529 | if (show_stats < 2) | |
530 | return 0; | |
531 | } | |
532 | ||
533 | if (n->nlmsg_type == RTM_DELADDR) | |
534 | fprintf(fp, "Deleted "); | |
535 | ||
536 | if (filter.oneline || filter.flushb) | |
537 | fprintf(fp, "%u: %s", ifa->ifa_index, ll_index_to_name(ifa->ifa_index)); | |
538 | if (ifa->ifa_family == AF_INET) | |
539 | fprintf(fp, " inet "); | |
540 | else if (ifa->ifa_family == AF_INET6) | |
541 | fprintf(fp, " inet6 "); | |
542 | else if (ifa->ifa_family == AF_DECnet) | |
543 | fprintf(fp, " dnet "); | |
544 | else if (ifa->ifa_family == AF_IPX) | |
545 | fprintf(fp, " ipx "); | |
546 | else | |
547 | fprintf(fp, " family %d ", ifa->ifa_family); | |
548 | ||
549 | if (rta_tb[IFA_LOCAL]) { | |
550 | fprintf(fp, "%s", rt_addr_n2a(ifa->ifa_family, | |
551 | RTA_PAYLOAD(rta_tb[IFA_LOCAL]), | |
552 | RTA_DATA(rta_tb[IFA_LOCAL]), | |
553 | abuf, sizeof(abuf))); | |
554 | ||
555 | if (rta_tb[IFA_ADDRESS] == NULL || | |
556 | memcmp(RTA_DATA(rta_tb[IFA_ADDRESS]), RTA_DATA(rta_tb[IFA_LOCAL]), 4) == 0) { | |
557 | fprintf(fp, "/%d ", ifa->ifa_prefixlen); | |
558 | } else { | |
559 | fprintf(fp, " peer %s/%d ", | |
560 | rt_addr_n2a(ifa->ifa_family, | |
561 | RTA_PAYLOAD(rta_tb[IFA_ADDRESS]), | |
562 | RTA_DATA(rta_tb[IFA_ADDRESS]), | |
563 | abuf, sizeof(abuf)), | |
564 | ifa->ifa_prefixlen); | |
565 | } | |
566 | } | |
567 | ||
568 | if (rta_tb[IFA_BROADCAST]) { | |
569 | fprintf(fp, "brd %s ", | |
570 | rt_addr_n2a(ifa->ifa_family, | |
571 | RTA_PAYLOAD(rta_tb[IFA_BROADCAST]), | |
572 | RTA_DATA(rta_tb[IFA_BROADCAST]), | |
573 | abuf, sizeof(abuf))); | |
574 | } | |
575 | if (rta_tb[IFA_ANYCAST]) { | |
576 | fprintf(fp, "any %s ", | |
577 | rt_addr_n2a(ifa->ifa_family, | |
578 | RTA_PAYLOAD(rta_tb[IFA_ANYCAST]), | |
579 | RTA_DATA(rta_tb[IFA_ANYCAST]), | |
580 | abuf, sizeof(abuf))); | |
581 | } | |
582 | fprintf(fp, "scope %s ", rtnl_rtscope_n2a(ifa->ifa_scope, b1, sizeof(b1))); | |
3bc1c4f2 | 583 | ifa_flags = ifa->ifa_flags; |
aba5acdf | 584 | if (ifa->ifa_flags&IFA_F_SECONDARY) { |
3bc1c4f2 | 585 | ifa_flags &= ~IFA_F_SECONDARY; |
a1b9ffcc BH |
586 | if (ifa->ifa_family == AF_INET6) |
587 | fprintf(fp, "temporary "); | |
588 | else | |
589 | fprintf(fp, "secondary "); | |
aba5acdf SH |
590 | } |
591 | if (ifa->ifa_flags&IFA_F_TENTATIVE) { | |
3bc1c4f2 | 592 | ifa_flags &= ~IFA_F_TENTATIVE; |
aba5acdf SH |
593 | fprintf(fp, "tentative "); |
594 | } | |
595 | if (ifa->ifa_flags&IFA_F_DEPRECATED) { | |
3bc1c4f2 | 596 | ifa_flags &= ~IFA_F_DEPRECATED; |
037d950b | 597 | deprecated = 1; |
aba5acdf SH |
598 | fprintf(fp, "deprecated "); |
599 | } | |
bac735c5 | 600 | if (ifa->ifa_flags&IFA_F_HOMEADDRESS) { |
3bc1c4f2 | 601 | ifa_flags &= ~IFA_F_HOMEADDRESS; |
bac735c5 NT |
602 | fprintf(fp, "home "); |
603 | } | |
604 | if (ifa->ifa_flags&IFA_F_NODAD) { | |
3bc1c4f2 | 605 | ifa_flags &= ~IFA_F_NODAD; |
bac735c5 NT |
606 | fprintf(fp, "nodad "); |
607 | } | |
aba5acdf SH |
608 | if (!(ifa->ifa_flags&IFA_F_PERMANENT)) { |
609 | fprintf(fp, "dynamic "); | |
610 | } else | |
3bc1c4f2 | 611 | ifa_flags &= ~IFA_F_PERMANENT; |
f4af851b | 612 | if (ifa->ifa_flags&IFA_F_DADFAILED) { |
3bc1c4f2 | 613 | ifa_flags &= ~IFA_F_DADFAILED; |
f4af851b BH |
614 | fprintf(fp, "dadfailed "); |
615 | } | |
3bc1c4f2 BG |
616 | if (ifa_flags) |
617 | fprintf(fp, "flags %02x ", ifa_flags); | |
aba5acdf SH |
618 | if (rta_tb[IFA_LABEL]) |
619 | fprintf(fp, "%s", (char*)RTA_DATA(rta_tb[IFA_LABEL])); | |
620 | if (rta_tb[IFA_CACHEINFO]) { | |
621 | struct ifa_cacheinfo *ci = RTA_DATA(rta_tb[IFA_CACHEINFO]); | |
aba5acdf | 622 | fprintf(fp, "%s", _SL_); |
f66efadd | 623 | fprintf(fp, " valid_lft "); |
141bb606 | 624 | if (ci->ifa_valid == INFINITY_LIFE_TIME) |
f66efadd | 625 | fprintf(fp, "forever"); |
aba5acdf | 626 | else |
f66efadd AS |
627 | fprintf(fp, "%usec", ci->ifa_valid); |
628 | fprintf(fp, " preferred_lft "); | |
141bb606 | 629 | if (ci->ifa_prefered == INFINITY_LIFE_TIME) |
f66efadd | 630 | fprintf(fp, "forever"); |
037d950b BG |
631 | else { |
632 | if (deprecated) | |
f66efadd | 633 | fprintf(fp, "%dsec", ci->ifa_prefered); |
037d950b | 634 | else |
f66efadd | 635 | fprintf(fp, "%usec", ci->ifa_prefered); |
037d950b | 636 | } |
aba5acdf SH |
637 | } |
638 | fprintf(fp, "\n"); | |
639 | fflush(fp); | |
640 | return 0; | |
641 | } | |
642 | ||
b49240ec SH |
643 | int print_addrinfo_primary(const struct sockaddr_nl *who, struct nlmsghdr *n, |
644 | void *arg) | |
645 | { | |
646 | struct ifaddrmsg *ifa = NLMSG_DATA(n); | |
647 | ||
3bc1c4f2 | 648 | if (ifa->ifa_flags & IFA_F_SECONDARY) |
b49240ec SH |
649 | return 0; |
650 | ||
651 | return print_addrinfo(who, n, arg); | |
652 | } | |
653 | ||
654 | int print_addrinfo_secondary(const struct sockaddr_nl *who, struct nlmsghdr *n, | |
655 | void *arg) | |
656 | { | |
657 | struct ifaddrmsg *ifa = NLMSG_DATA(n); | |
658 | ||
3bc1c4f2 | 659 | if (!(ifa->ifa_flags & IFA_F_SECONDARY)) |
b49240ec SH |
660 | return 0; |
661 | ||
662 | return print_addrinfo(who, n, arg); | |
663 | } | |
aba5acdf SH |
664 | |
665 | struct nlmsg_list | |
666 | { | |
667 | struct nlmsg_list *next; | |
668 | struct nlmsghdr h; | |
669 | }; | |
670 | ||
3d866ba2 | 671 | static int print_selected_addrinfo(int ifindex, struct nlmsg_list *ainfo, FILE *fp) |
aba5acdf SH |
672 | { |
673 | for ( ;ainfo ; ainfo = ainfo->next) { | |
674 | struct nlmsghdr *n = &ainfo->h; | |
675 | struct ifaddrmsg *ifa = NLMSG_DATA(n); | |
676 | ||
677 | if (n->nlmsg_type != RTM_NEWADDR) | |
678 | continue; | |
679 | ||
680 | if (n->nlmsg_len < NLMSG_LENGTH(sizeof(ifa))) | |
681 | return -1; | |
682 | ||
ae665a52 | 683 | if (ifa->ifa_index != ifindex || |
aba5acdf SH |
684 | (filter.family && filter.family != ifa->ifa_family)) |
685 | continue; | |
686 | ||
687 | print_addrinfo(NULL, n, fp); | |
688 | } | |
689 | return 0; | |
690 | } | |
691 | ||
692 | ||
ae665a52 | 693 | static int store_nlmsg(const struct sockaddr_nl *who, struct nlmsghdr *n, |
6dc9f016 | 694 | void *arg) |
aba5acdf SH |
695 | { |
696 | struct nlmsg_list **linfo = (struct nlmsg_list**)arg; | |
697 | struct nlmsg_list *h; | |
698 | struct nlmsg_list **lp; | |
699 | ||
700 | h = malloc(n->nlmsg_len+sizeof(void*)); | |
701 | if (h == NULL) | |
702 | return -1; | |
703 | ||
704 | memcpy(&h->h, n, n->nlmsg_len); | |
705 | h->next = NULL; | |
706 | ||
707 | for (lp = linfo; *lp; lp = &(*lp)->next) /* NOTHING */; | |
708 | *lp = h; | |
709 | ||
710 | ll_remember_index(who, n, NULL); | |
711 | return 0; | |
712 | } | |
713 | ||
3d866ba2 | 714 | static int ipaddr_list_or_flush(int argc, char **argv, int flush) |
aba5acdf SH |
715 | { |
716 | struct nlmsg_list *linfo = NULL; | |
717 | struct nlmsg_list *ainfo = NULL; | |
8ed63ab1 | 718 | struct nlmsg_list *l, *n; |
aba5acdf SH |
719 | char *filter_dev = NULL; |
720 | int no_link = 0; | |
721 | ||
722 | ipaddr_reset_filter(oneline); | |
723 | filter.showqueue = 1; | |
724 | ||
725 | if (filter.family == AF_UNSPEC) | |
726 | filter.family = preferred_family; | |
727 | ||
ac694c33 VD |
728 | filter.group = INIT_NETDEV_GROUP; |
729 | ||
aba5acdf SH |
730 | if (flush) { |
731 | if (argc <= 0) { | |
732 | fprintf(stderr, "Flush requires arguments.\n"); | |
ac694c33 | 733 | |
aba5acdf SH |
734 | return -1; |
735 | } | |
736 | if (filter.family == AF_PACKET) { | |
737 | fprintf(stderr, "Cannot flush link addresses.\n"); | |
738 | return -1; | |
739 | } | |
740 | } | |
741 | ||
742 | while (argc > 0) { | |
743 | if (strcmp(*argv, "to") == 0) { | |
744 | NEXT_ARG(); | |
745 | get_prefix(&filter.pfx, *argv, filter.family); | |
746 | if (filter.family == AF_UNSPEC) | |
747 | filter.family = filter.pfx.family; | |
748 | } else if (strcmp(*argv, "scope") == 0) { | |
f332d169 | 749 | unsigned scope = 0; |
aba5acdf SH |
750 | NEXT_ARG(); |
751 | filter.scopemask = -1; | |
752 | if (rtnl_rtscope_a2n(&scope, *argv)) { | |
753 | if (strcmp(*argv, "all") != 0) | |
754 | invarg("invalid \"scope\"\n", *argv); | |
755 | scope = RT_SCOPE_NOWHERE; | |
756 | filter.scopemask = 0; | |
757 | } | |
758 | filter.scope = scope; | |
759 | } else if (strcmp(*argv, "up") == 0) { | |
760 | filter.up = 1; | |
761 | } else if (strcmp(*argv, "dynamic") == 0) { | |
762 | filter.flags &= ~IFA_F_PERMANENT; | |
763 | filter.flagmask |= IFA_F_PERMANENT; | |
764 | } else if (strcmp(*argv, "permanent") == 0) { | |
765 | filter.flags |= IFA_F_PERMANENT; | |
766 | filter.flagmask |= IFA_F_PERMANENT; | |
a1b9ffcc BH |
767 | } else if (strcmp(*argv, "secondary") == 0 || |
768 | strcmp(*argv, "temporary") == 0) { | |
aba5acdf SH |
769 | filter.flags |= IFA_F_SECONDARY; |
770 | filter.flagmask |= IFA_F_SECONDARY; | |
771 | } else if (strcmp(*argv, "primary") == 0) { | |
772 | filter.flags &= ~IFA_F_SECONDARY; | |
773 | filter.flagmask |= IFA_F_SECONDARY; | |
774 | } else if (strcmp(*argv, "tentative") == 0) { | |
775 | filter.flags |= IFA_F_TENTATIVE; | |
776 | filter.flagmask |= IFA_F_TENTATIVE; | |
777 | } else if (strcmp(*argv, "deprecated") == 0) { | |
778 | filter.flags |= IFA_F_DEPRECATED; | |
779 | filter.flagmask |= IFA_F_DEPRECATED; | |
bac735c5 NT |
780 | } else if (strcmp(*argv, "home") == 0) { |
781 | filter.flags |= IFA_F_HOMEADDRESS; | |
782 | filter.flagmask |= IFA_F_HOMEADDRESS; | |
783 | } else if (strcmp(*argv, "nodad") == 0) { | |
784 | filter.flags |= IFA_F_NODAD; | |
785 | filter.flagmask |= IFA_F_NODAD; | |
a1f27794 BH |
786 | } else if (strcmp(*argv, "dadfailed") == 0) { |
787 | filter.flags |= IFA_F_DADFAILED; | |
788 | filter.flagmask |= IFA_F_DADFAILED; | |
aba5acdf SH |
789 | } else if (strcmp(*argv, "label") == 0) { |
790 | NEXT_ARG(); | |
791 | filter.label = *argv; | |
ac694c33 VD |
792 | } else if (strcmp(*argv, "group") == 0) { |
793 | NEXT_ARG(); | |
794 | if (rtnl_group_a2n(&filter.group, *argv)) | |
795 | invarg("Invalid \"group\" value\n", *argv); | |
aba5acdf SH |
796 | } else { |
797 | if (strcmp(*argv, "dev") == 0) { | |
798 | NEXT_ARG(); | |
799 | } | |
800 | if (matches(*argv, "help") == 0) | |
801 | usage(); | |
802 | if (filter_dev) | |
803 | duparg2("dev", *argv); | |
804 | filter_dev = *argv; | |
805 | } | |
806 | argv++; argc--; | |
807 | } | |
808 | ||
aba5acdf SH |
809 | if (rtnl_wilddump_request(&rth, preferred_family, RTM_GETLINK) < 0) { |
810 | perror("Cannot send dump request"); | |
811 | exit(1); | |
812 | } | |
813 | ||
814 | if (rtnl_dump_filter(&rth, store_nlmsg, &linfo, NULL, NULL) < 0) { | |
815 | fprintf(stderr, "Dump terminated\n"); | |
816 | exit(1); | |
817 | } | |
818 | ||
819 | if (filter_dev) { | |
820 | filter.ifindex = ll_name_to_index(filter_dev); | |
821 | if (filter.ifindex <= 0) { | |
822 | fprintf(stderr, "Device \"%s\" does not exist.\n", filter_dev); | |
823 | return -1; | |
824 | } | |
825 | } | |
826 | ||
827 | if (flush) { | |
828 | int round = 0; | |
829 | char flushb[4096-512]; | |
830 | ||
831 | filter.flushb = flushb; | |
832 | filter.flushp = 0; | |
833 | filter.flushe = sizeof(flushb); | |
aba5acdf | 834 | |
64c79560 | 835 | while ((max_flush_loops == 0) || (round < max_flush_loops)) { |
b49240ec SH |
836 | const struct rtnl_dump_filter_arg a[3] = { |
837 | { | |
838 | .filter = print_addrinfo_secondary, | |
839 | .arg1 = stdout, | |
840 | .junk = NULL, | |
841 | .arg2 = NULL | |
842 | }, | |
843 | { | |
844 | .filter = print_addrinfo_primary, | |
845 | .arg1 = stdout, | |
846 | .junk = NULL, | |
847 | .arg2 = NULL | |
848 | }, | |
849 | { | |
850 | .filter = NULL, | |
851 | .arg1 = NULL, | |
852 | .junk = NULL, | |
853 | .arg2 = NULL | |
854 | }, | |
855 | }; | |
aba5acdf SH |
856 | if (rtnl_wilddump_request(&rth, filter.family, RTM_GETADDR) < 0) { |
857 | perror("Cannot send dump request"); | |
858 | exit(1); | |
859 | } | |
860 | filter.flushed = 0; | |
b49240ec | 861 | if (rtnl_dump_filter_l(&rth, a) < 0) { |
aba5acdf SH |
862 | fprintf(stderr, "Flush terminated\n"); |
863 | exit(1); | |
864 | } | |
865 | if (filter.flushed == 0) { | |
3bc1c4f2 | 866 | flush_done: |
f0b34d2d AH |
867 | if (show_stats) { |
868 | if (round == 0) | |
869 | printf("Nothing to flush.\n"); | |
870 | else | |
871 | printf("*** Flush is complete after %d round%s ***\n", round, round>1?"s":""); | |
872 | } | |
aba5acdf SH |
873 | fflush(stdout); |
874 | return 0; | |
875 | } | |
876 | round++; | |
877 | if (flush_update() < 0) | |
351efcde SH |
878 | return 1; |
879 | ||
aba5acdf SH |
880 | if (show_stats) { |
881 | printf("\n*** Round %d, deleting %d addresses ***\n", round, filter.flushed); | |
882 | fflush(stdout); | |
883 | } | |
3bc1c4f2 BG |
884 | |
885 | /* If we are flushing, and specifying primary, then we | |
886 | * want to flush only a single round. Otherwise, we'll | |
887 | * start flushing secondaries that were promoted to | |
888 | * primaries. | |
889 | */ | |
890 | if (!(filter.flags & IFA_F_SECONDARY) && (filter.flagmask & IFA_F_SECONDARY)) | |
891 | goto flush_done; | |
aba5acdf | 892 | } |
64c79560 BG |
893 | fprintf(stderr, "*** Flush remains incomplete after %d rounds. ***\n", max_flush_loops); |
894 | fflush(stderr); | |
7b3d366e | 895 | return 1; |
aba5acdf SH |
896 | } |
897 | ||
898 | if (filter.family != AF_PACKET) { | |
899 | if (rtnl_wilddump_request(&rth, filter.family, RTM_GETADDR) < 0) { | |
900 | perror("Cannot send dump request"); | |
901 | exit(1); | |
902 | } | |
903 | ||
904 | if (rtnl_dump_filter(&rth, store_nlmsg, &ainfo, NULL, NULL) < 0) { | |
905 | fprintf(stderr, "Dump terminated\n"); | |
906 | exit(1); | |
907 | } | |
908 | } | |
909 | ||
910 | ||
911 | if (filter.family && filter.family != AF_PACKET) { | |
912 | struct nlmsg_list **lp; | |
913 | lp=&linfo; | |
914 | ||
915 | if (filter.oneline) | |
916 | no_link = 1; | |
917 | ||
918 | while ((l=*lp)!=NULL) { | |
919 | int ok = 0; | |
920 | struct ifinfomsg *ifi = NLMSG_DATA(&l->h); | |
921 | struct nlmsg_list *a; | |
922 | ||
923 | for (a=ainfo; a; a=a->next) { | |
924 | struct nlmsghdr *n = &a->h; | |
925 | struct ifaddrmsg *ifa = NLMSG_DATA(n); | |
926 | ||
ae665a52 | 927 | if (ifa->ifa_index != ifi->ifi_index || |
aba5acdf SH |
928 | (filter.family && filter.family != ifa->ifa_family)) |
929 | continue; | |
930 | if ((filter.scope^ifa->ifa_scope)&filter.scopemask) | |
931 | continue; | |
932 | if ((filter.flags^ifa->ifa_flags)&filter.flagmask) | |
933 | continue; | |
934 | if (filter.pfx.family || filter.label) { | |
935 | struct rtattr *tb[IFA_MAX+1]; | |
aba5acdf SH |
936 | parse_rtattr(tb, IFA_MAX, IFA_RTA(ifa), IFA_PAYLOAD(n)); |
937 | if (!tb[IFA_LOCAL]) | |
938 | tb[IFA_LOCAL] = tb[IFA_ADDRESS]; | |
939 | ||
940 | if (filter.pfx.family && tb[IFA_LOCAL]) { | |
941 | inet_prefix dst; | |
942 | memset(&dst, 0, sizeof(dst)); | |
943 | dst.family = ifa->ifa_family; | |
944 | memcpy(&dst.data, RTA_DATA(tb[IFA_LOCAL]), RTA_PAYLOAD(tb[IFA_LOCAL])); | |
945 | if (inet_addr_match(&dst, &filter.pfx, filter.pfx.bitlen)) | |
946 | continue; | |
947 | } | |
948 | if (filter.label) { | |
949 | SPRINT_BUF(b1); | |
950 | const char *label; | |
951 | if (tb[IFA_LABEL]) | |
952 | label = RTA_DATA(tb[IFA_LABEL]); | |
953 | else | |
954 | label = ll_idx_n2a(ifa->ifa_index, b1); | |
955 | if (fnmatch(filter.label, label, 0) != 0) | |
956 | continue; | |
957 | } | |
958 | } | |
959 | ||
960 | ok = 1; | |
961 | break; | |
962 | } | |
963 | if (!ok) | |
964 | *lp = l->next; | |
965 | else | |
966 | lp = &l->next; | |
967 | } | |
968 | } | |
969 | ||
8ed63ab1 SH |
970 | for (l=linfo; l; l = n) { |
971 | n = l->next; | |
aba5acdf SH |
972 | if (no_link || print_linkinfo(NULL, &l->h, stdout) == 0) { |
973 | struct ifinfomsg *ifi = NLMSG_DATA(&l->h); | |
974 | if (filter.family != AF_PACKET) | |
975 | print_selected_addrinfo(ifi->ifi_index, ainfo, stdout); | |
976 | } | |
977 | fflush(stdout); | |
8ed63ab1 | 978 | free(l); |
aba5acdf SH |
979 | } |
980 | ||
351efcde | 981 | return 0; |
aba5acdf SH |
982 | } |
983 | ||
984 | int ipaddr_list_link(int argc, char **argv) | |
985 | { | |
986 | preferred_family = AF_PACKET; | |
987 | do_link = 1; | |
988 | return ipaddr_list_or_flush(argc, argv, 0); | |
989 | } | |
990 | ||
991 | void ipaddr_reset_filter(int oneline) | |
992 | { | |
993 | memset(&filter, 0, sizeof(filter)); | |
994 | filter.oneline = oneline; | |
995 | } | |
996 | ||
3d866ba2 | 997 | static int default_scope(inet_prefix *lcl) |
aba5acdf SH |
998 | { |
999 | if (lcl->family == AF_INET) { | |
1000 | if (lcl->bytelen >= 1 && *(__u8*)&lcl->data == 127) | |
1001 | return RT_SCOPE_HOST; | |
1002 | } | |
1003 | return 0; | |
1004 | } | |
1005 | ||
3d866ba2 | 1006 | static int ipaddr_modify(int cmd, int flags, int argc, char **argv) |
aba5acdf | 1007 | { |
aba5acdf SH |
1008 | struct { |
1009 | struct nlmsghdr n; | |
1010 | struct ifaddrmsg ifa; | |
1011 | char buf[256]; | |
1012 | } req; | |
1013 | char *d = NULL; | |
1014 | char *l = NULL; | |
f082b64f | 1015 | char *lcl_arg = NULL; |
35546df7 MN |
1016 | char *valid_lftp = NULL; |
1017 | char *preferred_lftp = NULL; | |
aba5acdf SH |
1018 | inet_prefix lcl; |
1019 | inet_prefix peer; | |
1020 | int local_len = 0; | |
1021 | int peer_len = 0; | |
1022 | int brd_len = 0; | |
1023 | int any_len = 0; | |
1024 | int scoped = 0; | |
141bb606 MN |
1025 | __u32 preferred_lft = INFINITY_LIFE_TIME; |
1026 | __u32 valid_lft = INFINITY_LIFE_TIME; | |
35546df7 | 1027 | struct ifa_cacheinfo cinfo; |
aba5acdf SH |
1028 | |
1029 | memset(&req, 0, sizeof(req)); | |
1030 | ||
1031 | req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg)); | |
0aef366b | 1032 | req.n.nlmsg_flags = NLM_F_REQUEST | flags; |
aba5acdf SH |
1033 | req.n.nlmsg_type = cmd; |
1034 | req.ifa.ifa_family = preferred_family; | |
1035 | ||
1036 | while (argc > 0) { | |
1037 | if (strcmp(*argv, "peer") == 0 || | |
1038 | strcmp(*argv, "remote") == 0) { | |
1039 | NEXT_ARG(); | |
1040 | ||
1041 | if (peer_len) | |
1042 | duparg("peer", *argv); | |
1043 | get_prefix(&peer, *argv, req.ifa.ifa_family); | |
1044 | peer_len = peer.bytelen; | |
1045 | if (req.ifa.ifa_family == AF_UNSPEC) | |
1046 | req.ifa.ifa_family = peer.family; | |
1047 | addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &peer.data, peer.bytelen); | |
1048 | req.ifa.ifa_prefixlen = peer.bitlen; | |
1049 | } else if (matches(*argv, "broadcast") == 0 || | |
1050 | strcmp(*argv, "brd") == 0) { | |
1051 | inet_prefix addr; | |
1052 | NEXT_ARG(); | |
1053 | if (brd_len) | |
1054 | duparg("broadcast", *argv); | |
1055 | if (strcmp(*argv, "+") == 0) | |
1056 | brd_len = -1; | |
1057 | else if (strcmp(*argv, "-") == 0) | |
1058 | brd_len = -2; | |
1059 | else { | |
1060 | get_addr(&addr, *argv, req.ifa.ifa_family); | |
1061 | if (req.ifa.ifa_family == AF_UNSPEC) | |
1062 | req.ifa.ifa_family = addr.family; | |
1063 | addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &addr.data, addr.bytelen); | |
1064 | brd_len = addr.bytelen; | |
1065 | } | |
1066 | } else if (strcmp(*argv, "anycast") == 0) { | |
1067 | inet_prefix addr; | |
1068 | NEXT_ARG(); | |
1069 | if (any_len) | |
1070 | duparg("anycast", *argv); | |
1071 | get_addr(&addr, *argv, req.ifa.ifa_family); | |
1072 | if (req.ifa.ifa_family == AF_UNSPEC) | |
1073 | req.ifa.ifa_family = addr.family; | |
1074 | addattr_l(&req.n, sizeof(req), IFA_ANYCAST, &addr.data, addr.bytelen); | |
1075 | any_len = addr.bytelen; | |
1076 | } else if (strcmp(*argv, "scope") == 0) { | |
f332d169 | 1077 | unsigned scope = 0; |
aba5acdf SH |
1078 | NEXT_ARG(); |
1079 | if (rtnl_rtscope_a2n(&scope, *argv)) | |
1080 | invarg(*argv, "invalid scope value."); | |
1081 | req.ifa.ifa_scope = scope; | |
1082 | scoped = 1; | |
1083 | } else if (strcmp(*argv, "dev") == 0) { | |
1084 | NEXT_ARG(); | |
1085 | d = *argv; | |
1086 | } else if (strcmp(*argv, "label") == 0) { | |
1087 | NEXT_ARG(); | |
1088 | l = *argv; | |
1089 | addattr_l(&req.n, sizeof(req), IFA_LABEL, l, strlen(l)+1); | |
35546df7 MN |
1090 | } else if (matches(*argv, "valid_lft") == 0) { |
1091 | if (valid_lftp) | |
1092 | duparg("valid_lft", *argv); | |
1093 | NEXT_ARG(); | |
1094 | valid_lftp = *argv; | |
1095 | if (set_lifetime(&valid_lft, *argv)) | |
1096 | invarg("valid_lft value", *argv); | |
1097 | } else if (matches(*argv, "preferred_lft") == 0) { | |
1098 | if (preferred_lftp) | |
1099 | duparg("preferred_lft", *argv); | |
1100 | NEXT_ARG(); | |
1101 | preferred_lftp = *argv; | |
1102 | if (set_lifetime(&preferred_lft, *argv)) | |
1103 | invarg("preferred_lft value", *argv); | |
bac735c5 NT |
1104 | } else if (strcmp(*argv, "home") == 0) { |
1105 | req.ifa.ifa_flags |= IFA_F_HOMEADDRESS; | |
1106 | } else if (strcmp(*argv, "nodad") == 0) { | |
1107 | req.ifa.ifa_flags |= IFA_F_NODAD; | |
aba5acdf SH |
1108 | } else { |
1109 | if (strcmp(*argv, "local") == 0) { | |
1110 | NEXT_ARG(); | |
1111 | } | |
1112 | if (matches(*argv, "help") == 0) | |
1113 | usage(); | |
1114 | if (local_len) | |
1115 | duparg2("local", *argv); | |
f082b64f | 1116 | lcl_arg = *argv; |
aba5acdf SH |
1117 | get_prefix(&lcl, *argv, req.ifa.ifa_family); |
1118 | if (req.ifa.ifa_family == AF_UNSPEC) | |
1119 | req.ifa.ifa_family = lcl.family; | |
1120 | addattr_l(&req.n, sizeof(req), IFA_LOCAL, &lcl.data, lcl.bytelen); | |
1121 | local_len = lcl.bytelen; | |
1122 | } | |
1123 | argc--; argv++; | |
1124 | } | |
1125 | if (d == NULL) { | |
1126 | fprintf(stderr, "Not enough information: \"dev\" argument is required.\n"); | |
1127 | return -1; | |
1128 | } | |
1129 | if (l && matches(d, l) != 0) { | |
1130 | fprintf(stderr, "\"dev\" (%s) must match \"label\" (%s).\n", d, l); | |
1db61e02 | 1131 | return -1; |
aba5acdf SH |
1132 | } |
1133 | ||
f082b64f | 1134 | if (peer_len == 0 && local_len) { |
1135 | if (cmd == RTM_DELADDR && lcl.family == AF_INET && !(lcl.flags & PREFIXLEN_SPECIFIED)) { | |
1136 | fprintf(stderr, | |
1137 | "Warning: Executing wildcard deletion to stay compatible with old scripts.\n" \ | |
1138 | " Explicitly specify the prefix length (%s/%d) to avoid this warning.\n" \ | |
1139 | " This special behaviour is likely to disappear in further releases,\n" \ | |
1140 | " fix your scripts!\n", lcl_arg, local_len*8); | |
1141 | } else { | |
1142 | peer = lcl; | |
1143 | addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &lcl.data, lcl.bytelen); | |
1144 | } | |
aba5acdf SH |
1145 | } |
1146 | if (req.ifa.ifa_prefixlen == 0) | |
1147 | req.ifa.ifa_prefixlen = lcl.bitlen; | |
1148 | ||
1149 | if (brd_len < 0 && cmd != RTM_DELADDR) { | |
1150 | inet_prefix brd; | |
1151 | int i; | |
1152 | if (req.ifa.ifa_family != AF_INET) { | |
1153 | fprintf(stderr, "Broadcast can be set only for IPv4 addresses\n"); | |
1154 | return -1; | |
1155 | } | |
1156 | brd = peer; | |
1157 | if (brd.bitlen <= 30) { | |
1158 | for (i=31; i>=brd.bitlen; i--) { | |
1159 | if (brd_len == -1) | |
1160 | brd.data[0] |= htonl(1<<(31-i)); | |
1161 | else | |
1162 | brd.data[0] &= ~htonl(1<<(31-i)); | |
1163 | } | |
1164 | addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &brd.data, brd.bytelen); | |
1165 | brd_len = brd.bytelen; | |
1166 | } | |
1167 | } | |
1168 | if (!scoped && cmd != RTM_DELADDR) | |
1169 | req.ifa.ifa_scope = default_scope(&lcl); | |
1170 | ||
aba5acdf SH |
1171 | ll_init_map(&rth); |
1172 | ||
1173 | if ((req.ifa.ifa_index = ll_name_to_index(d)) == 0) { | |
1174 | fprintf(stderr, "Cannot find device \"%s\"\n", d); | |
1175 | return -1; | |
1176 | } | |
1177 | ||
35546df7 MN |
1178 | if (valid_lftp || preferred_lftp) { |
1179 | if (!valid_lft) { | |
1180 | fprintf(stderr, "valid_lft is zero\n"); | |
1181 | return -1; | |
1182 | } | |
1183 | if (valid_lft < preferred_lft) { | |
1184 | fprintf(stderr, "preferred_lft is greater than valid_lft\n"); | |
1185 | return -1; | |
1186 | } | |
1187 | ||
1188 | memset(&cinfo, 0, sizeof(cinfo)); | |
1189 | cinfo.ifa_prefered = preferred_lft; | |
1190 | cinfo.ifa_valid = valid_lft; | |
1191 | addattr_l(&req.n, sizeof(req), IFA_CACHEINFO, &cinfo, | |
1192 | sizeof(cinfo)); | |
1193 | } | |
1194 | ||
aba5acdf | 1195 | if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0) |
1db61e02 | 1196 | return -2; |
aba5acdf | 1197 | |
351efcde | 1198 | return 0; |
aba5acdf SH |
1199 | } |
1200 | ||
1201 | int do_ipaddr(int argc, char **argv) | |
1202 | { | |
1203 | if (argc < 1) | |
1204 | return ipaddr_list_or_flush(0, NULL, 0); | |
1205 | if (matches(*argv, "add") == 0) | |
0aef366b NT |
1206 | return ipaddr_modify(RTM_NEWADDR, NLM_F_CREATE|NLM_F_EXCL, argc-1, argv+1); |
1207 | if (matches(*argv, "change") == 0 || | |
1208 | strcmp(*argv, "chg") == 0) | |
1209 | return ipaddr_modify(RTM_NEWADDR, NLM_F_REPLACE, argc-1, argv+1); | |
1210 | if (matches(*argv, "replace") == 0) | |
1211 | return ipaddr_modify(RTM_NEWADDR, NLM_F_CREATE|NLM_F_REPLACE, argc-1, argv+1); | |
aba5acdf | 1212 | if (matches(*argv, "delete") == 0) |
0aef366b | 1213 | return ipaddr_modify(RTM_DELADDR, 0, argc-1, argv+1); |
aba5acdf SH |
1214 | if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0 |
1215 | || matches(*argv, "lst") == 0) | |
1216 | return ipaddr_list_or_flush(argc-1, argv+1, 0); | |
1217 | if (matches(*argv, "flush") == 0) | |
1218 | return ipaddr_list_or_flush(argc-1, argv+1, 1); | |
1219 | if (matches(*argv, "help") == 0) | |
1220 | usage(); | |
b096fa5f | 1221 | fprintf(stderr, "Command \"%s\" is unknown, try \"ip addr help\".\n", *argv); |
aba5acdf SH |
1222 | exit(-1); |
1223 | } | |
1224 |