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[mirror_iproute2.git] / ip / ipaddress.c
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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>
e6e6fb5c 17#include <inttypes.h>
aba5acdf
SH		 18#include <fcntl.h>
19#include <sys/ioctl.h>
20#include <sys/socket.h>
21#include <sys/ioctl.h>
5bd9dd49 22#include <errno.h>
aba5acdf
SH		 23#include <netinet/in.h>
24#include <arpa/inet.h>
25#include <string.h>
26#include <fnmatch.h>
27
e5779fb2
SH		 28#include <linux/netdevice.h>
29#include <linux/if_arp.h>
30#include <linux/sockios.h>
31
aba5acdf
SH		 32#include "rt_names.h"
33#include "utils.h"
34#include "ll_map.h"
35#include "ip_common.h"
36
81824ac2
PE		 37enum {
38 IPADD_LIST,
39 IPADD_FLUSH,
40 IPADD_SAVE,
41};
7b3d366e 42
aba5acdf
SH		 43static struct
44{
45 int ifindex;
46 int family;
47 int oneline;
48 int showqueue;
49 inet_prefix pfx;
50 int scope, scopemask;
51 int flags, flagmask;
52 int up;
53 char *label;
54 int flushed;
55 char *flushb;
56 int flushp;
57 int flushe;
f960c92a 58 int group;
aba5acdf
SH		 59} filter;
60
61static int do_link;
62
63static void usage(void) __attribute__((noreturn));
64
65static void usage(void)
66{
67 if (do_link) {
68 iplink_usage();
69 }
0aef366b 70 fprintf(stderr, "Usage: ip addr {add|change|replace} IFADDR dev STRING [ LIFETIME ]\n");
a1f27794 71 fprintf(stderr, " [ CONFFLAG-LIST ]\n");
35546df7 72 fprintf(stderr, " ip addr del IFADDR dev STRING\n");
81824ac2 73 fprintf(stderr, " ip addr {show|save|flush} [ dev STRING ] [ scope SCOPE-ID ]\n");
44051234 74 fprintf(stderr, " [ to PREFIX ] [ FLAG-LIST ] [ label PATTERN ] [up]\n");
81824ac2 75 fprintf(stderr, " ip addr {showdump|restore}\n");
aba5acdf
SH		 76 fprintf(stderr, "IFADDR := PREFIX | ADDR peer PREFIX\n");
77 fprintf(stderr, " [ broadcast ADDR ] [ anycast ADDR ]\n");
78 fprintf(stderr, " [ label STRING ] [ scope SCOPE-ID ]\n");
79 fprintf(stderr, "SCOPE-ID := [ host | link | global | NUMBER ]\n");
80 fprintf(stderr, "FLAG-LIST := [ FLAG-LIST ] FLAG\n");
81 fprintf(stderr, "FLAG := [ permanent | dynamic | secondary | primary |\n");
a1b9ffcc 82 fprintf(stderr, " tentative | deprecated | dadfailed | temporary |\n");
a1f27794 83 fprintf(stderr, " CONFFLAG-LIST ]\n");
bac735c5 84 fprintf(stderr, "CONFFLAG-LIST := [ CONFFLAG-LIST ] CONFFLAG\n");
58c69b22 85 fprintf(stderr, "CONFFLAG := [ home | nodad | mngtmpaddr | noprefixroute ]\n");
35546df7
MN		 86 fprintf(stderr, "LIFETIME := [ valid_lft LFT ] [ preferred_lft LFT ]\n");
87 fprintf(stderr, "LFT := forever | SECONDS\n");
88
aba5acdf
SH		 89 exit(-1);
90}
91
d1f28cf1 92static void print_link_flags(FILE *fp, unsigned flags, unsigned mdown)
aba5acdf
SH		 93{
94 fprintf(fp, "<");
73b49e9f 95 if (flags & IFF_UP && !(flags & IFF_RUNNING))
96 fprintf(fp, "NO-CARRIER%s", flags ? "," : "");
aba5acdf
SH		 97 flags &= ~IFF_RUNNING;
98#define _PF(f) if (flags&IFF_##f) { \
1124ffb7
SH		 99 flags &= ~IFF_##f ; \
100 fprintf(fp, #f "%s", flags ? "," : ""); }
aba5acdf
SH		 101 _PF(LOOPBACK);
102 _PF(BROADCAST);
103 _PF(POINTOPOINT);
104 _PF(MULTICAST);
105 _PF(NOARP);
106 _PF(ALLMULTI);
107 _PF(PROMISC);
108 _PF(MASTER);
109 _PF(SLAVE);
110 _PF(DEBUG);
111 _PF(DYNAMIC);
112 _PF(AUTOMEDIA);
113 _PF(PORTSEL);
114 _PF(NOTRAILERS);
115 _PF(UP);
dcb283c3
TG		 116 _PF(LOWER_UP);
117 _PF(DORMANT);
98f9a1d2 118 _PF(ECHO);
aba5acdf 119#undef _PF
1124ffb7 120 if (flags)
aba5acdf
SH		 121 fprintf(fp, "%x", flags);
122 if (mdown)
123 fprintf(fp, ",M-DOWN");
124 fprintf(fp, "> ");
125}
126
3d866ba2 127static const char *oper_states[] = {
0612519e 128 "UNKNOWN", "NOTPRESENT", "DOWN", "LOWERLAYERDOWN",
3d866ba2
SH		 129 "TESTING", "DORMANT", "UP"
130};
131
132static void print_operstate(FILE *f, __u8 state)
133{
134 if (state >= sizeof(oper_states)/sizeof(oper_states[0]))
135 fprintf(f, "state %#x ", state);
136 else
137 fprintf(f, "state %s ", oper_states[state]);
138}
139
4f2fdd44
SH		 140int get_operstate(const char *name)
141{
142 int i;
143
144 for (i = 0; i < sizeof(oper_states)/sizeof(oper_states[0]); i++)
145 if (strcasecmp(name, oper_states[i]) == 0)
146 return i;
147 return -1;
148}
149
f78e316f 150static void print_queuelen(FILE *f, struct rtattr *tb[IFLA_MAX + 1])
aba5acdf 151{
f78e316f
ED		 152 int qlen;
153
154 if (tb[IFLA_TXQLEN])
155 qlen = *(int *)RTA_DATA(tb[IFLA_TXQLEN]);
156 else {
157 struct ifreq ifr;
158 int s = socket(AF_INET, SOCK_STREAM, 0);
159
160 if (s < 0)
161 return;
162
163 memset(&ifr, 0, sizeof(ifr));
ff24746c 164 strcpy(ifr.ifr_name, rta_getattr_str(tb[IFLA_IFNAME]));
f78e316f 165 if (ioctl(s, SIOCGIFTXQLEN, &ifr) < 0) {
d3603518 166 fprintf(f, "ioctl(SIOCGIFTXQLEN) failed: %s\n", strerror(errno));
f78e316f
ED		 167 close(s);
168 return;
169 }
aba5acdf 170 close(s);
f78e316f 171 qlen = ifr.ifr_qlen;
aba5acdf 172 }
f78e316f
ED		 173 if (qlen)
174 fprintf(f, "qlen %d", qlen);
aba5acdf
SH		 175}
176
82499282
SH		 177static const char *link_modes[] = {
178 "DEFAULT", "DORMANT"
179};
180
181static void print_linkmode(FILE *f, struct rtattr *tb)
182{
183 unsigned int mode = rta_getattr_u8(tb);
184
185 if (mode >= sizeof(link_modes) / sizeof(link_modes[0]))
186 fprintf(f, "mode %d ", mode);
187 else
188 fprintf(f, "mode %s ", link_modes[mode]);
189}
190
1d934839
PM		 191static void print_linktype(FILE *fp, struct rtattr *tb)
192{
193 struct rtattr *linkinfo[IFLA_INFO_MAX+1];
194 struct link_util *lu;
fbea6115 195 struct link_util *slave_lu;
1d934839 196 char *kind;
fbea6115 197 char *slave_kind;
1d934839
PM		 198
199 parse_rtattr_nested(linkinfo, IFLA_INFO_MAX, tb);
200
fbea6115
JP		 201 if (linkinfo[IFLA_INFO_KIND]) {
202 kind = RTA_DATA(linkinfo[IFLA_INFO_KIND]);
1d934839 203
fbea6115
JP		 204 fprintf(fp, "%s", _SL_);
205 fprintf(fp, " %s ", kind);
1d934839 206
fbea6115
JP		 207 lu = get_link_kind(kind);
208 if (lu && lu->print_opt) {
209 struct rtattr *attr[lu->maxattr+1], **data = NULL;
1d934839 210
fbea6115
JP		 211 if (linkinfo[IFLA_INFO_DATA]) {
212 parse_rtattr_nested(attr, lu->maxattr,
213 linkinfo[IFLA_INFO_DATA]);
214 data = attr;
215 }
216 lu->print_opt(lu, fp, data);
1d934839 217
fbea6115
JP		 218 if (linkinfo[IFLA_INFO_XSTATS] && show_stats &&
219 lu->print_xstats)
220 lu->print_xstats(lu, fp, linkinfo[IFLA_INFO_XSTATS]);
1d934839 221 }
fbea6115
JP		 222 }
223
224 if (linkinfo[IFLA_INFO_SLAVE_KIND]) {
225 slave_kind = RTA_DATA(linkinfo[IFLA_INFO_SLAVE_KIND]);
1d934839 226
fbea6115
JP		 227 fprintf(fp, "%s", _SL_);
228 fprintf(fp, " %s_slave ", slave_kind);
229
230 slave_lu = get_link_slave_kind(slave_kind);
231 if (slave_lu && slave_lu->print_opt) {
232 struct rtattr *attr[slave_lu->maxattr+1], **data = NULL;
233
234 if (linkinfo[IFLA_INFO_SLAVE_DATA]) {
235 parse_rtattr_nested(attr, slave_lu->maxattr,
236 linkinfo[IFLA_INFO_SLAVE_DATA]);
237 data = attr;
238 }
239 slave_lu->print_opt(slave_lu, fp, data);
240 }
1d934839
PM		 241 }
242}
243
3fd86630
CW		 244static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
245{
246 struct ifla_vf_mac *vf_mac;
247 struct ifla_vf_vlan *vf_vlan;
248 struct ifla_vf_tx_rate *vf_tx_rate;
7b8179c7 249 struct ifla_vf_spoofchk *vf_spoofchk;
07fa9c15 250 struct ifla_vf_link_state *vf_linkstate;
3fd86630 251 struct rtattr *vf[IFLA_VF_MAX+1];
7b8179c7 252 struct rtattr *tmp;
3fd86630
CW		 253 SPRINT_BUF(b1);
254
255 if (vfinfo->rta_type != IFLA_VF_INFO) {
256 fprintf(stderr, "BUG: rta type is %d\n", vfinfo->rta_type);
257 return;
258 }
259
260 parse_rtattr_nested(vf, IFLA_VF_MAX, vfinfo);
261
262 vf_mac = RTA_DATA(vf[IFLA_VF_MAC]);
263 vf_vlan = RTA_DATA(vf[IFLA_VF_VLAN]);
264 vf_tx_rate = RTA_DATA(vf[IFLA_VF_TX_RATE]);
265
7b8179c7
GR		 266 /* Check if the spoof checking vf info type is supported by
267 * this kernel.
268 */
269 tmp = (struct rtattr *)((char *)vf[IFLA_VF_TX_RATE] +
270 vf[IFLA_VF_TX_RATE]->rta_len);
271
272 if (tmp->rta_type != IFLA_VF_SPOOFCHK)
273 vf_spoofchk = NULL;
274 else
275 vf_spoofchk = RTA_DATA(vf[IFLA_VF_SPOOFCHK]);
276
07fa9c15
RE		 277 if (vf_spoofchk) {
278 /* Check if the link state vf info type is supported by
279 * this kernel.
280 */
281 tmp = (struct rtattr *)((char *)vf[IFLA_VF_SPOOFCHK] +
282 vf[IFLA_VF_SPOOFCHK]->rta_len);
283
284 if (tmp->rta_type != IFLA_VF_LINK_STATE)
285 vf_linkstate = NULL;
286 else
287 vf_linkstate = RTA_DATA(vf[IFLA_VF_LINK_STATE]);
288 } else
289 vf_linkstate = NULL;
290
3fd86630
CW		 291 fprintf(fp, "\n vf %d MAC %s", vf_mac->vf,
292 ll_addr_n2a((unsigned char *)&vf_mac->mac,
293 ETH_ALEN, 0, b1, sizeof(b1)));
294 if (vf_vlan->vlan)
295 fprintf(fp, ", vlan %d", vf_vlan->vlan);
296 if (vf_vlan->qos)
297 fprintf(fp, ", qos %d", vf_vlan->qos);
298 if (vf_tx_rate->rate)
299 fprintf(fp, ", tx rate %d (Mbps)", vf_tx_rate->rate);
7b8179c7
GR		 300 if (vf_spoofchk && vf_spoofchk->setting != -1) {
301 if (vf_spoofchk->setting)
302 fprintf(fp, ", spoof checking on");
303 else
304 fprintf(fp, ", spoof checking off");
305 }
07fa9c15
RE		 306 if (vf_linkstate) {
307 if (vf_linkstate->link_state == IFLA_VF_LINK_STATE_AUTO)
308 fprintf(fp, ", link-state auto");
309 else if (vf_linkstate->link_state == IFLA_VF_LINK_STATE_ENABLE)
310 fprintf(fp, ", link-state enable");
311 else
312 fprintf(fp, ", link-state disable");
313 }
3fd86630
CW		 314}
315
e6e6fb5c
SH		 316static void print_link_stats64(FILE *fp, const struct rtnl_link_stats64 *s) {
317 fprintf(fp, "%s", _SL_);
318 fprintf(fp, " RX: bytes packets errors dropped overrun mcast %s%s",
319 s->rx_compressed ? "compressed" : "", _SL_);
320 fprintf(fp, " %-10"PRIu64" %-8"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
321 (uint64_t)s->rx_bytes,
322 (uint64_t)s->rx_packets,
323 (uint64_t)s->rx_errors,
324 (uint64_t)s->rx_dropped,
325 (uint64_t)s->rx_over_errors,
326 (uint64_t)s->multicast);
327 if (s->rx_compressed)
328 fprintf(fp, " %-7"PRIu64"",
329 (uint64_t)s->rx_compressed);
330 if (show_stats > 1) {
331 fprintf(fp, "%s", _SL_);
332 fprintf(fp, " RX errors: length crc frame fifo missed%s", _SL_);
333 fprintf(fp, " %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
334 (uint64_t)s->rx_length_errors,
335 (uint64_t)s->rx_crc_errors,
336 (uint64_t)s->rx_frame_errors,
337 (uint64_t)s->rx_fifo_errors,
338 (uint64_t)s->rx_missed_errors);
339 }
340 fprintf(fp, "%s", _SL_);
341 fprintf(fp, " TX: bytes packets errors dropped carrier collsns %s%s",
342 (uint64_t)s->tx_compressed ? "compressed" : "", _SL_);
343 fprintf(fp, " %-10"PRIu64" %-8"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
344 (uint64_t)s->tx_bytes,
345 (uint64_t)s->tx_packets,
346 (uint64_t)s->tx_errors,
347 (uint64_t)s->tx_dropped,
348 (uint64_t)s->tx_carrier_errors,
349 (uint64_t)s->collisions);
350 if (s->tx_compressed)
351 fprintf(fp, " %-7"PRIu64"",
352 (uint64_t)s->tx_compressed);
353 if (show_stats > 1) {
354 fprintf(fp, "%s", _SL_);
355 fprintf(fp, " TX errors: aborted fifo window heartbeat%s", _SL_);
356 fprintf(fp, " %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
357 (uint64_t)s->tx_aborted_errors,
358 (uint64_t)s->tx_fifo_errors,
359 (uint64_t)s->tx_window_errors,
360 (uint64_t)s->tx_heartbeat_errors);
361 }
362}
363
364static void print_link_stats(FILE *fp, const struct rtnl_link_stats *s)
365{
366 fprintf(fp, "%s", _SL_);
367 fprintf(fp, " RX: bytes packets errors dropped overrun mcast %s%s",
368 s->rx_compressed ? "compressed" : "", _SL_);
369 fprintf(fp, " %-10u %-8u %-7u %-7u %-7u %-7u",
370 s->rx_bytes, s->rx_packets, s->rx_errors,
371 s->rx_dropped, s->rx_over_errors,
372 s->multicast
373 );
374 if (s->rx_compressed)
375 fprintf(fp, " %-7u", s->rx_compressed);
376 if (show_stats > 1) {
377 fprintf(fp, "%s", _SL_);
378 fprintf(fp, " RX errors: length crc frame fifo missed%s", _SL_);
379 fprintf(fp, " %-7u %-7u %-7u %-7u %-7u",
380 s->rx_length_errors,
381 s->rx_crc_errors,
382 s->rx_frame_errors,
383 s->rx_fifo_errors,
384 s->rx_missed_errors
385 );
386 }
387 fprintf(fp, "%s", _SL_);
388 fprintf(fp, " TX: bytes packets errors dropped carrier collsns %s%s",
389 s->tx_compressed ? "compressed" : "", _SL_);
390 fprintf(fp, " %-10u %-8u %-7u %-7u %-7u %-7u",
391 s->tx_bytes, s->tx_packets, s->tx_errors,
392 s->tx_dropped, s->tx_carrier_errors, s->collisions);
393 if (s->tx_compressed)
394 fprintf(fp, " %-7u", s->tx_compressed);
395 if (show_stats > 1) {
396 fprintf(fp, "%s", _SL_);
397 fprintf(fp, " TX errors: aborted fifo window heartbeat%s", _SL_);
398 fprintf(fp, " %-7u %-7u %-7u %-7u",
399 s->tx_aborted_errors,
400 s->tx_fifo_errors,
401 s->tx_window_errors,
402 s->tx_heartbeat_errors
403 );
404 }
405}
406
ae665a52 407int print_linkinfo(const struct sockaddr_nl *who,
50772dc5 408 struct nlmsghdr *n, void *arg)
aba5acdf
SH		 409{
410 FILE *fp = (FILE*)arg;
411 struct ifinfomsg *ifi = NLMSG_DATA(n);
412 struct rtattr * tb[IFLA_MAX+1];
413 int len = n->nlmsg_len;
414 unsigned m_flag = 0;
415
416 if (n->nlmsg_type != RTM_NEWLINK && n->nlmsg_type != RTM_DELLINK)
417 return 0;
418
419 len -= NLMSG_LENGTH(sizeof(*ifi));
420 if (len < 0)
421 return -1;
422
423 if (filter.ifindex && ifi->ifi_index != filter.ifindex)
424 return 0;
425 if (filter.up && !(ifi->ifi_flags&IFF_UP))
426 return 0;
427
aba5acdf
SH		 428 parse_rtattr(tb, IFLA_MAX, IFLA_RTA(ifi), len);
429 if (tb[IFLA_IFNAME] == NULL) {
4cd23bdd 430 fprintf(stderr, "BUG: device with ifindex %d has nil ifname\n", ifi->ifi_index);
aba5acdf
SH		 431 }
432 if (filter.label &&
433 (!filter.family || filter.family == AF_PACKET) &&
434 fnmatch(filter.label, RTA_DATA(tb[IFLA_IFNAME]), 0))
435 return 0;
436
f960c92a
VD		 437 if (tb[IFLA_GROUP]) {
438 int group = *(int*)RTA_DATA(tb[IFLA_GROUP]);
c4fdf75d 439 if (filter.group != -1 && group != filter.group)
f960c92a
VD		 440 return -1;
441 }
442
aba5acdf
SH		 443 if (n->nlmsg_type == RTM_DELLINK)
444 fprintf(fp, "Deleted ");
445
446 fprintf(fp, "%d: %s", ifi->ifi_index,
ff24746c 447 tb[IFLA_IFNAME] ? rta_getattr_str(tb[IFLA_IFNAME]) : "<nil>");
aba5acdf
SH		 448
449 if (tb[IFLA_LINK]) {
450 SPRINT_BUF(b1);
451 int iflink = *(int*)RTA_DATA(tb[IFLA_LINK]);
452 if (iflink == 0)
453 fprintf(fp, "@NONE: ");
454 else {
455 fprintf(fp, "@%s: ", ll_idx_n2a(iflink, b1));
456 m_flag = ll_index_to_flags(iflink);
457 m_flag = !(m_flag & IFF_UP);
458 }
459 } else {
460 fprintf(fp, ": ");
461 }
462 print_link_flags(fp, ifi->ifi_flags, m_flag);
463
464 if (tb[IFLA_MTU])
465 fprintf(fp, "mtu %u ", *(int*)RTA_DATA(tb[IFLA_MTU]));
466 if (tb[IFLA_QDISC])
ff24746c 467 fprintf(fp, "qdisc %s ", rta_getattr_str(tb[IFLA_QDISC]));
aba5acdf
SH		 468 if (tb[IFLA_MASTER]) {
469 SPRINT_BUF(b1);
470 fprintf(fp, "master %s ", ll_idx_n2a(*(int*)RTA_DATA(tb[IFLA_MASTER]), b1));
471 }
82499282 472
3d866ba2 473 if (tb[IFLA_OPERSTATE])
ff24746c 474 print_operstate(fp, rta_getattr_u8(tb[IFLA_OPERSTATE]));
82499282
SH		 475
476 if (do_link && tb[IFLA_LINKMODE])
477 print_linkmode(fp, tb[IFLA_LINKMODE]);
478
c4fdf75d
ST		 479 if (tb[IFLA_GROUP]) {
480 SPRINT_BUF(b1);
481 int group = *(int*)RTA_DATA(tb[IFLA_GROUP]);
482 fprintf(fp, "group %s ", rtnl_group_n2a(group, b1, sizeof(b1)));
483 }
484
aba5acdf 485 if (filter.showqueue)
f78e316f 486 print_queuelen(fp, tb);
ae665a52 487
aba5acdf
SH		 488 if (!filter.family || filter.family == AF_PACKET) {
489 SPRINT_BUF(b1);
490 fprintf(fp, "%s", _SL_);
491 fprintf(fp, " link/%s ", ll_type_n2a(ifi->ifi_type, b1, sizeof(b1)));
492
493 if (tb[IFLA_ADDRESS]) {
494 fprintf(fp, "%s", ll_addr_n2a(RTA_DATA(tb[IFLA_ADDRESS]),
495 RTA_PAYLOAD(tb[IFLA_ADDRESS]),
496 ifi->ifi_type,
497 b1, sizeof(b1)));
498 }
499 if (tb[IFLA_BROADCAST]) {
500 if (ifi->ifi_flags&IFF_POINTOPOINT)
501 fprintf(fp, " peer ");
502 else
503 fprintf(fp, " brd ");
504 fprintf(fp, "%s", ll_addr_n2a(RTA_DATA(tb[IFLA_BROADCAST]),
505 RTA_PAYLOAD(tb[IFLA_BROADCAST]),
506 ifi->ifi_type,
507 b1, sizeof(b1)));
508 }
509 }
1d934839 510
ede6a3ea 511 if (do_link && tb[IFLA_PROMISCUITY] && show_details)
1cb6a110 512 fprintf(fp, " promiscuity %u ",
ede6a3ea
ND		 513 *(int*)RTA_DATA(tb[IFLA_PROMISCUITY]));
514
1cb6a110
SH		 515 if (do_link && tb[IFLA_LINKINFO] && show_details)
516 print_linktype(fp, tb[IFLA_LINKINFO]);
517
263c894f 518 if (do_link && tb[IFLA_IFALIAS]) {
1124ffb7 519 fprintf(fp, "%s alias %s", _SL_,
ff24746c 520 rta_getattr_str(tb[IFLA_IFALIAS]));
263c894f 521 }
ace9c961 522
e6e6fb5c
SH		 523 if (do_link && show_stats) {
524 if (tb[IFLA_STATS64])
525 print_link_stats64(fp, RTA_DATA(tb[IFLA_STATS64]));
526 else if (tb[IFLA_STATS])
527 print_link_stats(fp, RTA_DATA(tb[IFLA_STATS]));
ae7229d5 528 }
e6e6fb5c 529
3fd86630
CW		 530 if (do_link && tb[IFLA_VFINFO_LIST] && tb[IFLA_NUM_VF]) {
531 struct rtattr *i, *vflist = tb[IFLA_VFINFO_LIST];
532 int rem = RTA_PAYLOAD(vflist);
533 for (i = RTA_DATA(vflist); RTA_OK(i, rem); i = RTA_NEXT(i, rem))
534 print_vfinfo(fp, i);
aba5acdf 535 }
3fd86630 536
aba5acdf
SH		 537 fprintf(fp, "\n");
538 fflush(fp);
539 return 0;
540}
541
542static int flush_update(void)
543{
f31a37f7 544 if (rtnl_send_check(&rth, filter.flushb, filter.flushp) < 0) {
1fb0a998 545 perror("Failed to send flush request");
aba5acdf
SH		 546 return -1;
547 }
548 filter.flushp = 0;
549 return 0;
550}
551
35546df7
MN		 552static int set_lifetime(unsigned int *lifetime, char *argv)
553{
554 if (strcmp(argv, "forever") == 0)
141bb606 555 *lifetime = INFINITY_LIFE_TIME;
35546df7
MN		 556 else if (get_u32(lifetime, argv, 0))
557 return -1;
558
559 return 0;
560}
561
37c9b94e
JP		 562static unsigned int get_ifa_flags(struct ifaddrmsg *ifa,
563 struct rtattr *ifa_flags_attr)
564{
565 return ifa_flags_attr ? rta_getattr_u32(ifa_flags_attr) :
566 ifa->ifa_flags;
567}
568
ae665a52 569int print_addrinfo(const struct sockaddr_nl *who, struct nlmsghdr *n,
6dc9f016 570 void *arg)
aba5acdf
SH		 571{
572 FILE *fp = (FILE*)arg;
573 struct ifaddrmsg *ifa = NLMSG_DATA(n);
574 int len = n->nlmsg_len;
037d950b 575 int deprecated = 0;
3bc1c4f2
BG		 576 /* Use local copy of ifa_flags to not interfere with filtering code */
577 unsigned int ifa_flags;
aba5acdf
SH		 578 struct rtattr * rta_tb[IFA_MAX+1];
579 char abuf[256];
580 SPRINT_BUF(b1);
581
582 if (n->nlmsg_type != RTM_NEWADDR && n->nlmsg_type != RTM_DELADDR)
583 return 0;
584 len -= NLMSG_LENGTH(sizeof(*ifa));
585 if (len < 0) {
586 fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
587 return -1;
588 }
589
590 if (filter.flushb && n->nlmsg_type != RTM_NEWADDR)
591 return 0;
592
aba5acdf
SH		 593 parse_rtattr(rta_tb, IFA_MAX, IFA_RTA(ifa), n->nlmsg_len - NLMSG_LENGTH(sizeof(*ifa)));
594
37c9b94e
JP		 595 ifa_flags = get_ifa_flags(ifa, rta_tb[IFA_FLAGS]);
596
aba5acdf
SH		 597 if (!rta_tb[IFA_LOCAL])
598 rta_tb[IFA_LOCAL] = rta_tb[IFA_ADDRESS];
599 if (!rta_tb[IFA_ADDRESS])
600 rta_tb[IFA_ADDRESS] = rta_tb[IFA_LOCAL];
601
602 if (filter.ifindex && filter.ifindex != ifa->ifa_index)
603 return 0;
604 if ((filter.scope^ifa->ifa_scope)&filter.scopemask)
605 return 0;
37c9b94e 606 if ((filter.flags ^ ifa_flags) & filter.flagmask)
aba5acdf
SH		 607 return 0;
608 if (filter.label) {
609 SPRINT_BUF(b1);
610 const char *label;
611 if (rta_tb[IFA_LABEL])
612 label = RTA_DATA(rta_tb[IFA_LABEL]);
613 else
614 label = ll_idx_n2a(ifa->ifa_index, b1);
615 if (fnmatch(filter.label, label, 0) != 0)
616 return 0;
617 }
618 if (filter.pfx.family) {
619 if (rta_tb[IFA_LOCAL]) {
620 inet_prefix dst;
621 memset(&dst, 0, sizeof(dst));
622 dst.family = ifa->ifa_family;
623 memcpy(&dst.data, RTA_DATA(rta_tb[IFA_LOCAL]), RTA_PAYLOAD(rta_tb[IFA_LOCAL]));
624 if (inet_addr_match(&dst, &filter.pfx, filter.pfx.bitlen))
625 return 0;
626 }
627 }
628
3eb1731b 629 if (filter.family && filter.family != ifa->ifa_family)
630 return 0;
631
aba5acdf
SH		 632 if (filter.flushb) {
633 struct nlmsghdr *fn;
634 if (NLMSG_ALIGN(filter.flushp) + n->nlmsg_len > filter.flushe) {
635 if (flush_update())
636 return -1;
637 }
638 fn = (struct nlmsghdr*)(filter.flushb + NLMSG_ALIGN(filter.flushp));
639 memcpy(fn, n, n->nlmsg_len);
640 fn->nlmsg_type = RTM_DELADDR;
641 fn->nlmsg_flags = NLM_F_REQUEST;
351efcde 642 fn->nlmsg_seq = ++rth.seq;
aba5acdf
SH		 643 filter.flushp = (((char*)fn) + n->nlmsg_len) - filter.flushb;
644 filter.flushed++;
645 if (show_stats < 2)
646 return 0;
647 }
648
649 if (n->nlmsg_type == RTM_DELADDR)
650 fprintf(fp, "Deleted ");
651
652 if (filter.oneline || filter.flushb)
653 fprintf(fp, "%u: %s", ifa->ifa_index, ll_index_to_name(ifa->ifa_index));
654 if (ifa->ifa_family == AF_INET)
655 fprintf(fp, " inet ");
656 else if (ifa->ifa_family == AF_INET6)
657 fprintf(fp, " inet6 ");
658 else if (ifa->ifa_family == AF_DECnet)
659 fprintf(fp, " dnet ");
660 else if (ifa->ifa_family == AF_IPX)
661 fprintf(fp, " ipx ");
662 else
663 fprintf(fp, " family %d ", ifa->ifa_family);
664
665 if (rta_tb[IFA_LOCAL]) {
ffa35d93 666 fprintf(fp, "%s", format_host(ifa->ifa_family,
aba5acdf
SH		 667 RTA_PAYLOAD(rta_tb[IFA_LOCAL]),
668 RTA_DATA(rta_tb[IFA_LOCAL]),
669 abuf, sizeof(abuf)));
670
671 if (rta_tb[IFA_ADDRESS] == NULL ||
973eb50b
ND		 672 memcmp(RTA_DATA(rta_tb[IFA_ADDRESS]), RTA_DATA(rta_tb[IFA_LOCAL]),
673 ifa->ifa_family == AF_INET ? 4 : 16) == 0) {
aba5acdf
SH		 674 fprintf(fp, "/%d ", ifa->ifa_prefixlen);
675 } else {
676 fprintf(fp, " peer %s/%d ",
ffa35d93 677 format_host(ifa->ifa_family,
aba5acdf
SH		 678 RTA_PAYLOAD(rta_tb[IFA_ADDRESS]),
679 RTA_DATA(rta_tb[IFA_ADDRESS]),
680 abuf, sizeof(abuf)),
681 ifa->ifa_prefixlen);
682 }
683 }
684
685 if (rta_tb[IFA_BROADCAST]) {
686 fprintf(fp, "brd %s ",
ffa35d93 687 format_host(ifa->ifa_family,
aba5acdf
SH		 688 RTA_PAYLOAD(rta_tb[IFA_BROADCAST]),
689 RTA_DATA(rta_tb[IFA_BROADCAST]),
690 abuf, sizeof(abuf)));
691 }
692 if (rta_tb[IFA_ANYCAST]) {
693 fprintf(fp, "any %s ",
ffa35d93 694 format_host(ifa->ifa_family,
aba5acdf
SH		 695 RTA_PAYLOAD(rta_tb[IFA_ANYCAST]),
696 RTA_DATA(rta_tb[IFA_ANYCAST]),
697 abuf, sizeof(abuf)));
698 }
699 fprintf(fp, "scope %s ", rtnl_rtscope_n2a(ifa->ifa_scope, b1, sizeof(b1)));
37c9b94e 700 if (ifa_flags & IFA_F_SECONDARY) {
3bc1c4f2 701 ifa_flags &= ~IFA_F_SECONDARY;
a1b9ffcc
BH		 702 if (ifa->ifa_family == AF_INET6)
703 fprintf(fp, "temporary ");
704 else
705 fprintf(fp, "secondary ");
aba5acdf 706 }
37c9b94e 707 if (ifa_flags & IFA_F_TENTATIVE) {
3bc1c4f2 708 ifa_flags &= ~IFA_F_TENTATIVE;
aba5acdf
SH		 709 fprintf(fp, "tentative ");
710 }
37c9b94e 711 if (ifa_flags & IFA_F_DEPRECATED) {
3bc1c4f2 712 ifa_flags &= ~IFA_F_DEPRECATED;
037d950b 713 deprecated = 1;
aba5acdf
SH		 714 fprintf(fp, "deprecated ");
715 }
37c9b94e 716 if (ifa_flags & IFA_F_HOMEADDRESS) {
3bc1c4f2 717 ifa_flags &= ~IFA_F_HOMEADDRESS;
bac735c5
NT		 718 fprintf(fp, "home ");
719 }
37c9b94e 720 if (ifa_flags & IFA_F_NODAD) {
3bc1c4f2 721 ifa_flags &= ~IFA_F_NODAD;
bac735c5
NT		 722 fprintf(fp, "nodad ");
723 }
5b7e21c4
JP		 724 if (ifa_flags & IFA_F_MANAGETEMPADDR) {
725 ifa_flags &= ~IFA_F_MANAGETEMPADDR;
726 fprintf(fp, "mngtmpaddr ");
727 }
58c69b22
TH		 728 if (ifa_flags & IFA_F_NOPREFIXROUTE) {
729 ifa_flags &= ~IFA_F_NOPREFIXROUTE;
730 fprintf(fp, "noprefixroute ");
731 }
37c9b94e 732 if (!(ifa_flags & IFA_F_PERMANENT)) {
aba5acdf
SH		 733 fprintf(fp, "dynamic ");
734 } else
3bc1c4f2 735 ifa_flags &= ~IFA_F_PERMANENT;
37c9b94e 736 if (ifa_flags & IFA_F_DADFAILED) {
3bc1c4f2 737 ifa_flags &= ~IFA_F_DADFAILED;
f4af851b
BH		 738 fprintf(fp, "dadfailed ");
739 }
3bc1c4f2
BG		 740 if (ifa_flags)
741 fprintf(fp, "flags %02x ", ifa_flags);
aba5acdf 742 if (rta_tb[IFA_LABEL])
ff24746c 743 fprintf(fp, "%s", rta_getattr_str(rta_tb[IFA_LABEL]));
aba5acdf
SH		 744 if (rta_tb[IFA_CACHEINFO]) {
745 struct ifa_cacheinfo *ci = RTA_DATA(rta_tb[IFA_CACHEINFO]);
aba5acdf 746 fprintf(fp, "%s", _SL_);
f66efadd 747 fprintf(fp, " valid_lft ");
141bb606 748 if (ci->ifa_valid == INFINITY_LIFE_TIME)
f66efadd 749 fprintf(fp, "forever");
aba5acdf 750 else
f66efadd
AS		 751 fprintf(fp, "%usec", ci->ifa_valid);
752 fprintf(fp, " preferred_lft ");
141bb606 753 if (ci->ifa_prefered == INFINITY_LIFE_TIME)
f66efadd 754 fprintf(fp, "forever");
037d950b
BG		 755 else {
756 if (deprecated)
f66efadd 757 fprintf(fp, "%dsec", ci->ifa_prefered);
037d950b 758 else
f66efadd 759 fprintf(fp, "%usec", ci->ifa_prefered);
037d950b 760 }
aba5acdf
SH		 761 }
762 fprintf(fp, "\n");
763 fflush(fp);
764 return 0;
765}
766
d1f28cf1
SH		 767static int print_addrinfo_primary(const struct sockaddr_nl *who,
768 struct nlmsghdr *n, void *arg)
b49240ec
SH		 769{
770 struct ifaddrmsg *ifa = NLMSG_DATA(n);
771
3bc1c4f2 772 if (ifa->ifa_flags & IFA_F_SECONDARY)
b49240ec
SH		 773 return 0;
774
775 return print_addrinfo(who, n, arg);
776}
777
d1f28cf1
SH		 778static int print_addrinfo_secondary(const struct sockaddr_nl *who,
779 struct nlmsghdr *n, void *arg)
b49240ec
SH		 780{
781 struct ifaddrmsg *ifa = NLMSG_DATA(n);
782
3bc1c4f2 783 if (!(ifa->ifa_flags & IFA_F_SECONDARY))
b49240ec
SH		 784 return 0;
785
786 return print_addrinfo(who, n, arg);
787}
aba5acdf
SH		 788
789struct nlmsg_list
790{
791 struct nlmsg_list *next;
792 struct nlmsghdr h;
793};
794
62e2e540
ED		 795struct nlmsg_chain
796{
797 struct nlmsg_list *head;
798 struct nlmsg_list *tail;
799};
800
3d866ba2 801static int print_selected_addrinfo(int ifindex, struct nlmsg_list *ainfo, FILE *fp)
aba5acdf
SH		 802{
803 for ( ;ainfo ; ainfo = ainfo->next) {
804 struct nlmsghdr *n = &ainfo->h;
805 struct ifaddrmsg *ifa = NLMSG_DATA(n);
806
807 if (n->nlmsg_type != RTM_NEWADDR)
808 continue;
809
810 if (n->nlmsg_len < NLMSG_LENGTH(sizeof(ifa)))
811 return -1;
812
ae665a52 813 if (ifa->ifa_index != ifindex ||
aba5acdf
SH		 814 (filter.family && filter.family != ifa->ifa_family))
815 continue;
816
817 print_addrinfo(NULL, n, fp);
818 }
819 return 0;
820}
821
822
ae665a52 823static int store_nlmsg(const struct sockaddr_nl *who, struct nlmsghdr *n,
6dc9f016 824 void *arg)
aba5acdf 825{
62e2e540 826 struct nlmsg_chain *lchain = (struct nlmsg_chain *)arg;
aba5acdf 827 struct nlmsg_list *h;
aba5acdf
SH		 828
829 h = malloc(n->nlmsg_len+sizeof(void*));
830 if (h == NULL)
831 return -1;
832
833 memcpy(&h->h, n, n->nlmsg_len);
834 h->next = NULL;
835
62e2e540
ED		 836 if (lchain->tail)
837 lchain->tail->next = h;
838 else
839 lchain->head = h;
840 lchain->tail = h;
aba5acdf
SH		 841
842 ll_remember_index(who, n, NULL);
843 return 0;
844}
845
81824ac2
PE		 846static __u32 ipadd_dump_magic = 0x47361222;
847
848static int ipadd_save_prep(void)
849{
850 int ret;
851
852 if (isatty(STDOUT_FILENO)) {
14645ec2 853 fprintf(stderr, "Not sending a binary stream to stdout\n");
81824ac2
PE		 854 return -1;
855 }
856
857 ret = write(STDOUT_FILENO, &ipadd_dump_magic, sizeof(ipadd_dump_magic));
858 if (ret != sizeof(ipadd_dump_magic)) {
859 fprintf(stderr, "Can't write magic to dump file\n");
860 return -1;
861 }
862
863 return 0;
864}
865
866static int ipadd_dump_check_magic(void)
867{
868 int ret;
869 __u32 magic = 0;
870
871 if (isatty(STDIN_FILENO)) {
872 fprintf(stderr, "Can't restore addr dump from a terminal\n");
873 return -1;
874 }
875
876 ret = fread(&magic, sizeof(magic), 1, stdin);
877 if (magic != ipadd_dump_magic) {
878 fprintf(stderr, "Magic mismatch (%d elems, %x magic)\n", ret, magic);
879 return -1;
880 }
881
882 return 0;
883}
884
885static int save_nlmsg(const struct sockaddr_nl *who, struct nlmsghdr *n,
886 void *arg)
887{
888 int ret;
889
890 ret = write(STDOUT_FILENO, n, n->nlmsg_len);
891 if ((ret > 0) && (ret != n->nlmsg_len)) {
892 fprintf(stderr, "Short write while saving nlmsg\n");
893 ret = -EIO;
894 }
895
896 return ret == n->nlmsg_len ? 0 : ret;
897}
898
899static int show_handler(const struct sockaddr_nl *nl, struct nlmsghdr *n, void *arg)
900{
901 struct ifaddrmsg *ifa = NLMSG_DATA(n);
902
903 printf("if%d:\n", ifa->ifa_index);
904 print_addrinfo(NULL, n, stdout);
905 return 0;
906}
907
908static int ipaddr_showdump(void)
909{
910 if (ipadd_dump_check_magic())
911 exit(-1);
912
913 exit(rtnl_from_file(stdin, &show_handler, NULL));
914}
915
916static int restore_handler(const struct sockaddr_nl *nl, struct nlmsghdr *n, void *arg)
917{
918 int ret;
919
920 n->nlmsg_flags |= NLM_F_REQUEST | NLM_F_CREATE | NLM_F_ACK;
921
922 ll_init_map(&rth);
923
924 ret = rtnl_talk(&rth, n, 0, 0, n);
925 if ((ret < 0) && (errno == EEXIST))
926 ret = 0;
927
928 return ret;
929}
930
931static int ipaddr_restore(void)
932{
933 if (ipadd_dump_check_magic())
934 exit(-1);
935
936 exit(rtnl_from_file(stdin, &restore_handler, NULL));
937}
938
8d07e5f7
SH		 939static void free_nlmsg_chain(struct nlmsg_chain *info)
940{
941 struct nlmsg_list *l, *n;
942
943 for (l = info->head; l; l = n) {
944 n = l->next;
945 free(l);
946 }
947}
948
949static void ipaddr_filter(struct nlmsg_chain *linfo, struct nlmsg_chain *ainfo)
950{
951 struct nlmsg_list *l, **lp;
952
953 lp = &linfo->head;
954 while ( (l = *lp) != NULL) {
955 int ok = 0;
7f747fd9 956 int missing_net_address = 1;
8d07e5f7
SH		 957 struct ifinfomsg *ifi = NLMSG_DATA(&l->h);
958 struct nlmsg_list *a;
959
960 for (a = ainfo->head; a; a = a->next) {
961 struct nlmsghdr *n = &a->h;
962 struct ifaddrmsg *ifa = NLMSG_DATA(n);
37c9b94e
JP		 963 struct rtattr *tb[IFA_MAX + 1];
964 unsigned int ifa_flags;
8d07e5f7 965
7f747fd9
PP		 966 if (ifa->ifa_index != ifi->ifi_index)
967 continue;
968 missing_net_address = 0;
969 if (filter.family && filter.family != ifa->ifa_family)
8d07e5f7
SH		 970 continue;
971 if ((filter.scope^ifa->ifa_scope)&filter.scopemask)
972 continue;
37c9b94e
JP		 973
974 parse_rtattr(tb, IFA_MAX, IFA_RTA(ifa), IFA_PAYLOAD(n));
975 ifa_flags = get_ifa_flags(ifa, tb[IFA_FLAGS]);
976
977 if ((filter.flags ^ ifa_flags) & filter.flagmask)
8d07e5f7
SH		 978 continue;
979 if (filter.pfx.family || filter.label) {
8d07e5f7
SH		 980 if (!tb[IFA_LOCAL])
981 tb[IFA_LOCAL] = tb[IFA_ADDRESS];
982
983 if (filter.pfx.family && tb[IFA_LOCAL]) {
984 inet_prefix dst;
985 memset(&dst, 0, sizeof(dst));
986 dst.family = ifa->ifa_family;
987 memcpy(&dst.data, RTA_DATA(tb[IFA_LOCAL]), RTA_PAYLOAD(tb[IFA_LOCAL]));
988 if (inet_addr_match(&dst, &filter.pfx, filter.pfx.bitlen))
989 continue;
990 }
991 if (filter.label) {
992 SPRINT_BUF(b1);
993 const char *label;
994 if (tb[IFA_LABEL])
995 label = RTA_DATA(tb[IFA_LABEL]);
996 else
997 label = ll_idx_n2a(ifa->ifa_index, b1);
998 if (fnmatch(filter.label, label, 0) != 0)
999 continue;
1000 }
1001 }
1002
1003 ok = 1;
1004 break;
1005 }
7f747fd9
PP		 1006 if (missing_net_address &&
1007 (filter.family == AF_UNSPEC || filter.family == AF_PACKET))
1008 ok = 1;
8d07e5f7
SH		 1009 if (!ok) {
1010 *lp = l->next;
1011 free(l);
1012 } else
1013 lp = &l->next;
1014 }
1015}
1016
1017static int ipaddr_flush(void)
1018{
1019 int round = 0;
1020 char flushb[4096-512];
1021
1022 filter.flushb = flushb;
1023 filter.flushp = 0;
1024 filter.flushe = sizeof(flushb);
1025
1026 while ((max_flush_loops == 0) || (round < max_flush_loops)) {
1027 const struct rtnl_dump_filter_arg a[3] = {
1028 {
1029 .filter = print_addrinfo_secondary,
1030 .arg1 = stdout,
1031 },
1032 {
1033 .filter = print_addrinfo_primary,
1034 .arg1 = stdout,
1035 },
1036 {
1037 .filter = NULL,
1038 .arg1 = NULL,
1039 },
1040 };
1041 if (rtnl_wilddump_request(&rth, filter.family, RTM_GETADDR) < 0) {
1042 perror("Cannot send dump request");
1043 exit(1);
1044 }
1045 filter.flushed = 0;
1046 if (rtnl_dump_filter_l(&rth, a) < 0) {
1047 fprintf(stderr, "Flush terminated\n");
1048 exit(1);
1049 }
1050 if (filter.flushed == 0) {
1051 flush_done:
1052 if (show_stats) {
1053 if (round == 0)
1054 printf("Nothing to flush.\n");
1055 else
1056 printf("*** Flush is complete after %d round%s ***\n", round, round>1?"s":"");
1057 }
1058 fflush(stdout);
1059 return 0;
1060 }
1061 round++;
1062 if (flush_update() < 0)
1063 return 1;
1064
1065 if (show_stats) {
1066 printf("\n*** Round %d, deleting %d addresses ***\n", round, filter.flushed);
1067 fflush(stdout);
1068 }
1069
1070 /* If we are flushing, and specifying primary, then we
1071 * want to flush only a single round. Otherwise, we'll
1072 * start flushing secondaries that were promoted to
1073 * primaries.
1074 */
1075 if (!(filter.flags & IFA_F_SECONDARY) && (filter.flagmask & IFA_F_SECONDARY))
1076 goto flush_done;
1077 }
1078 fprintf(stderr, "*** Flush remains incomplete after %d rounds. ***\n", max_flush_loops);
1079 fflush(stderr);
1080 return 1;
1081}
1082
81824ac2 1083static int ipaddr_list_flush_or_save(int argc, char **argv, int action)
aba5acdf 1084{
62e2e540
ED		 1085 struct nlmsg_chain linfo = { NULL, NULL};
1086 struct nlmsg_chain ainfo = { NULL, NULL};
8d07e5f7 1087 struct nlmsg_list *l;
aba5acdf
SH		 1088 char *filter_dev = NULL;
1089 int no_link = 0;
1090
1091 ipaddr_reset_filter(oneline);
1092 filter.showqueue = 1;
1093
1094 if (filter.family == AF_UNSPEC)
1095 filter.family = preferred_family;
1096
c4fdf75d 1097 filter.group = -1;
f960c92a 1098
81824ac2 1099 if (action == IPADD_FLUSH) {
aba5acdf
SH		 1100 if (argc <= 0) {
1101 fprintf(stderr, "Flush requires arguments.\n");
f960c92a 1102
aba5acdf
SH		 1103 return -1;
1104 }
1105 if (filter.family == AF_PACKET) {
1106 fprintf(stderr, "Cannot flush link addresses.\n");
1107 return -1;
1108 }
1109 }
1110
1111 while (argc > 0) {
1112 if (strcmp(*argv, "to") == 0) {
1113 NEXT_ARG();
1114 get_prefix(&filter.pfx, *argv, filter.family);
1115 if (filter.family == AF_UNSPEC)
1116 filter.family = filter.pfx.family;
1117 } else if (strcmp(*argv, "scope") == 0) {
f332d169 1118 unsigned scope = 0;
aba5acdf
SH		 1119 NEXT_ARG();
1120 filter.scopemask = -1;
1121 if (rtnl_rtscope_a2n(&scope, *argv)) {
1122 if (strcmp(*argv, "all") != 0)
1123 invarg("invalid \"scope\"\n", *argv);
1124 scope = RT_SCOPE_NOWHERE;
1125 filter.scopemask = 0;
1126 }
1127 filter.scope = scope;
1128 } else if (strcmp(*argv, "up") == 0) {
1129 filter.up = 1;
1130 } else if (strcmp(*argv, "dynamic") == 0) {
1131 filter.flags &= ~IFA_F_PERMANENT;
1132 filter.flagmask |= IFA_F_PERMANENT;
1133 } else if (strcmp(*argv, "permanent") == 0) {
1134 filter.flags |= IFA_F_PERMANENT;
1135 filter.flagmask |= IFA_F_PERMANENT;
a1b9ffcc
BH		 1136 } else if (strcmp(*argv, "secondary") == 0 ||
1137 strcmp(*argv, "temporary") == 0) {
aba5acdf
SH		 1138 filter.flags |= IFA_F_SECONDARY;
1139 filter.flagmask |= IFA_F_SECONDARY;
1140 } else if (strcmp(*argv, "primary") == 0) {
1141 filter.flags &= ~IFA_F_SECONDARY;
1142 filter.flagmask |= IFA_F_SECONDARY;
1143 } else if (strcmp(*argv, "tentative") == 0) {
1144 filter.flags |= IFA_F_TENTATIVE;
1145 filter.flagmask |= IFA_F_TENTATIVE;
1146 } else if (strcmp(*argv, "deprecated") == 0) {
1147 filter.flags |= IFA_F_DEPRECATED;
1148 filter.flagmask |= IFA_F_DEPRECATED;
bac735c5
NT		 1149 } else if (strcmp(*argv, "home") == 0) {
1150 filter.flags |= IFA_F_HOMEADDRESS;
1151 filter.flagmask |= IFA_F_HOMEADDRESS;
1152 } else if (strcmp(*argv, "nodad") == 0) {
1153 filter.flags |= IFA_F_NODAD;
1154 filter.flagmask |= IFA_F_NODAD;
5b7e21c4
JP		 1155 } else if (strcmp(*argv, "mngtmpaddr") == 0) {
1156 filter.flags |= IFA_F_MANAGETEMPADDR;
1157 filter.flagmask |= IFA_F_MANAGETEMPADDR;
58c69b22
TH		 1158 } else if (strcmp(*argv, "noprefixroute") == 0) {
1159 filter.flags |= IFA_F_NOPREFIXROUTE;
1160 filter.flagmask |= IFA_F_NOPREFIXROUTE;
a1f27794
BH		 1161 } else if (strcmp(*argv, "dadfailed") == 0) {
1162 filter.flags |= IFA_F_DADFAILED;
1163 filter.flagmask |= IFA_F_DADFAILED;
aba5acdf
SH		 1164 } else if (strcmp(*argv, "label") == 0) {
1165 NEXT_ARG();
1166 filter.label = *argv;
f960c92a
VD		 1167 } else if (strcmp(*argv, "group") == 0) {
1168 NEXT_ARG();
1169 if (rtnl_group_a2n(&filter.group, *argv))
1170 invarg("Invalid \"group\" value\n", *argv);
aba5acdf
SH		 1171 } else {
1172 if (strcmp(*argv, "dev") == 0) {
1173 NEXT_ARG();
1174 }
1175 if (matches(*argv, "help") == 0)
1176 usage();
1177 if (filter_dev)
1178 duparg2("dev", *argv);
1179 filter_dev = *argv;
1180 }
1181 argv++; argc--;
1182 }
1183
aba5acdf
SH		 1184 if (filter_dev) {
1185 filter.ifindex = ll_name_to_index(filter_dev);
1186 if (filter.ifindex <= 0) {
1187 fprintf(stderr, "Device \"%s\" does not exist.\n", filter_dev);
1188 return -1;
1189 }
1190 }
1191
81824ac2 1192 if (action == IPADD_FLUSH)
8d07e5f7 1193 return ipaddr_flush();
351efcde 1194
81824ac2
PE		 1195 if (action == IPADD_SAVE) {
1196 if (ipadd_save_prep())
1197 exit(1);
1198
1199 if (rtnl_wilddump_request(&rth, preferred_family, RTM_GETADDR) < 0) {
1200 perror("Cannot send dump request");
1201 exit(1);
1202 }
1203
1204 if (rtnl_dump_filter(&rth, save_nlmsg, stdout) < 0) {
1205 fprintf(stderr, "Save terminated\n");
1206 exit(1);
1207 }
1208
1209 exit(0);
1210 }
1211
8d07e5f7
SH		 1212 if (rtnl_wilddump_request(&rth, preferred_family, RTM_GETLINK) < 0) {
1213 perror("Cannot send dump request");
1214 exit(1);
1215 }
3bc1c4f2 1216
8d07e5f7
SH		 1217 if (rtnl_dump_filter(&rth, store_nlmsg, &linfo) < 0) {
1218 fprintf(stderr, "Dump terminated\n");
1219 exit(1);
aba5acdf
SH		 1220 }
1221
af9d406f 1222 if (filter.family != AF_PACKET) {
8d07e5f7
SH		 1223 if (filter.oneline)
1224 no_link = 1;
1225
aba5acdf
SH		 1226 if (rtnl_wilddump_request(&rth, filter.family, RTM_GETADDR) < 0) {
1227 perror("Cannot send dump request");
1228 exit(1);
1229 }
1230
cd70f3f5 1231 if (rtnl_dump_filter(&rth, store_nlmsg, &ainfo) < 0) {
aba5acdf
SH		 1232 fprintf(stderr, "Dump terminated\n");
1233 exit(1);
1234 }
aba5acdf 1235
8d07e5f7 1236 ipaddr_filter(&linfo, &ainfo);
aba5acdf
SH		 1237 }
1238
8d07e5f7 1239 for (l = linfo.head; l; l = l->next) {
aba5acdf
SH		 1240 if (no_link || print_linkinfo(NULL, &l->h, stdout) == 0) {
1241 struct ifinfomsg *ifi = NLMSG_DATA(&l->h);
1242 if (filter.family != AF_PACKET)
8d07e5f7
SH		 1243 print_selected_addrinfo(ifi->ifi_index,
1244 ainfo.head, stdout);
aba5acdf 1245 }
aba5acdf 1246 }
8d07e5f7
SH		 1247 fflush(stdout);
1248
1249 free_nlmsg_chain(&ainfo);
1250 free_nlmsg_chain(&linfo);
aba5acdf 1251
351efcde 1252 return 0;
aba5acdf
SH		 1253}
1254
1255int ipaddr_list_link(int argc, char **argv)
1256{
1257 preferred_family = AF_PACKET;
1258 do_link = 1;
81824ac2 1259 return ipaddr_list_flush_or_save(argc, argv, IPADD_LIST);
aba5acdf
SH		 1260}
1261
1262void ipaddr_reset_filter(int oneline)
1263{
1264 memset(&filter, 0, sizeof(filter));
1265 filter.oneline = oneline;
1266}
1267
3d866ba2 1268static int default_scope(inet_prefix *lcl)
aba5acdf
SH		 1269{
1270 if (lcl->family == AF_INET) {
1271 if (lcl->bytelen >= 1 && *(__u8*)&lcl->data == 127)
1272 return RT_SCOPE_HOST;
1273 }
1274 return 0;
1275}
1276
3d866ba2 1277static int ipaddr_modify(int cmd, int flags, int argc, char **argv)
aba5acdf 1278{
aba5acdf
SH		 1279 struct {
1280 struct nlmsghdr n;
1281 struct ifaddrmsg ifa;
1282 char buf[256];
1283 } req;
1284 char *d = NULL;
1285 char *l = NULL;
f082b64f 1286 char *lcl_arg = NULL;
35546df7
MN		 1287 char *valid_lftp = NULL;
1288 char *preferred_lftp = NULL;
aba5acdf
SH		 1289 inet_prefix lcl;
1290 inet_prefix peer;
1291 int local_len = 0;
1292 int peer_len = 0;
1293 int brd_len = 0;
1294 int any_len = 0;
1295 int scoped = 0;
141bb606
MN		 1296 __u32 preferred_lft = INFINITY_LIFE_TIME;
1297 __u32 valid_lft = INFINITY_LIFE_TIME;
35546df7 1298 struct ifa_cacheinfo cinfo;
37c9b94e 1299 unsigned int ifa_flags = 0;
aba5acdf
SH		 1300
1301 memset(&req, 0, sizeof(req));
1302
1303 req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg));
0aef366b 1304 req.n.nlmsg_flags = NLM_F_REQUEST | flags;
aba5acdf
SH		 1305 req.n.nlmsg_type = cmd;
1306 req.ifa.ifa_family = preferred_family;
1307
1308 while (argc > 0) {
1309 if (strcmp(*argv, "peer") == 0 ||
1310 strcmp(*argv, "remote") == 0) {
1311 NEXT_ARG();
1312
1313 if (peer_len)
1314 duparg("peer", *argv);
1315 get_prefix(&peer, *argv, req.ifa.ifa_family);
1316 peer_len = peer.bytelen;
1317 if (req.ifa.ifa_family == AF_UNSPEC)
1318 req.ifa.ifa_family = peer.family;
1319 addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &peer.data, peer.bytelen);
1320 req.ifa.ifa_prefixlen = peer.bitlen;
1321 } else if (matches(*argv, "broadcast") == 0 ||
1322 strcmp(*argv, "brd") == 0) {
1323 inet_prefix addr;
1324 NEXT_ARG();
1325 if (brd_len)
1326 duparg("broadcast", *argv);
1327 if (strcmp(*argv, "+") == 0)
1328 brd_len = -1;
1329 else if (strcmp(*argv, "-") == 0)
1330 brd_len = -2;
1331 else {
1332 get_addr(&addr, *argv, req.ifa.ifa_family);
1333 if (req.ifa.ifa_family == AF_UNSPEC)
1334 req.ifa.ifa_family = addr.family;
1335 addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &addr.data, addr.bytelen);
1336 brd_len = addr.bytelen;
1337 }
1338 } else if (strcmp(*argv, "anycast") == 0) {
1339 inet_prefix addr;
1340 NEXT_ARG();
1341 if (any_len)
1342 duparg("anycast", *argv);
1343 get_addr(&addr, *argv, req.ifa.ifa_family);
1344 if (req.ifa.ifa_family == AF_UNSPEC)
1345 req.ifa.ifa_family = addr.family;
1346 addattr_l(&req.n, sizeof(req), IFA_ANYCAST, &addr.data, addr.bytelen);
1347 any_len = addr.bytelen;
1348 } else if (strcmp(*argv, "scope") == 0) {
f332d169 1349 unsigned scope = 0;
aba5acdf
SH		 1350 NEXT_ARG();
1351 if (rtnl_rtscope_a2n(&scope, *argv))
f1675d61 1352 invarg("invalid scope value.", *argv);
aba5acdf
SH		 1353 req.ifa.ifa_scope = scope;
1354 scoped = 1;
1355 } else if (strcmp(*argv, "dev") == 0) {
1356 NEXT_ARG();
1357 d = *argv;
1358 } else if (strcmp(*argv, "label") == 0) {
1359 NEXT_ARG();
1360 l = *argv;
1361 addattr_l(&req.n, sizeof(req), IFA_LABEL, l, strlen(l)+1);
35546df7
MN		 1362 } else if (matches(*argv, "valid_lft") == 0) {
1363 if (valid_lftp)
1364 duparg("valid_lft", *argv);
1365 NEXT_ARG();
1366 valid_lftp = *argv;
1367 if (set_lifetime(&valid_lft, *argv))
1368 invarg("valid_lft value", *argv);
1369 } else if (matches(*argv, "preferred_lft") == 0) {
1370 if (preferred_lftp)
1371 duparg("preferred_lft", *argv);
1372 NEXT_ARG();
1373 preferred_lftp = *argv;
1374 if (set_lifetime(&preferred_lft, *argv))
1375 invarg("preferred_lft value", *argv);
bac735c5 1376 } else if (strcmp(*argv, "home") == 0) {
37c9b94e 1377 ifa_flags |= IFA_F_HOMEADDRESS;
bac735c5 1378 } else if (strcmp(*argv, "nodad") == 0) {
37c9b94e 1379 ifa_flags |= IFA_F_NODAD;
5b7e21c4
JP		 1380 } else if (strcmp(*argv, "mngtmpaddr") == 0) {
1381 ifa_flags |= IFA_F_MANAGETEMPADDR;
58c69b22
TH		 1382 } else if (strcmp(*argv, "noprefixroute") == 0) {
1383 ifa_flags |= IFA_F_NOPREFIXROUTE;
aba5acdf
SH		 1384 } else {
1385 if (strcmp(*argv, "local") == 0) {
1386 NEXT_ARG();
1387 }
1388 if (matches(*argv, "help") == 0)
1389 usage();
1390 if (local_len)
1391 duparg2("local", *argv);
f082b64f 1392 lcl_arg = *argv;
aba5acdf
SH		 1393 get_prefix(&lcl, *argv, req.ifa.ifa_family);
1394 if (req.ifa.ifa_family == AF_UNSPEC)
1395 req.ifa.ifa_family = lcl.family;
1396 addattr_l(&req.n, sizeof(req), IFA_LOCAL, &lcl.data, lcl.bytelen);
1397 local_len = lcl.bytelen;
1398 }
1399 argc--; argv++;
1400 }
37c9b94e
JP		 1401 req.ifa.ifa_flags = ifa_flags;
1402 addattr32(&req.n, sizeof(req), IFA_FLAGS, ifa_flags);
1403
aba5acdf
SH		 1404 if (d == NULL) {
1405 fprintf(stderr, "Not enough information: \"dev\" argument is required.\n");
1406 return -1;
1407 }
1408 if (l && matches(d, l) != 0) {
1409 fprintf(stderr, "\"dev\" (%s) must match \"label\" (%s).\n", d, l);
1db61e02 1410 return -1;
aba5acdf
SH		 1411 }
1412
f082b64f 1413 if (peer_len == 0 && local_len) {
1414 if (cmd == RTM_DELADDR && lcl.family == AF_INET && !(lcl.flags & PREFIXLEN_SPECIFIED)) {
1415 fprintf(stderr,
1416 "Warning: Executing wildcard deletion to stay compatible with old scripts.\n" \
1417 " Explicitly specify the prefix length (%s/%d) to avoid this warning.\n" \
1418 " This special behaviour is likely to disappear in further releases,\n" \
1419 " fix your scripts!\n", lcl_arg, local_len*8);
1420 } else {
1421 peer = lcl;
1422 addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &lcl.data, lcl.bytelen);
1423 }
aba5acdf
SH		 1424 }
1425 if (req.ifa.ifa_prefixlen == 0)
1426 req.ifa.ifa_prefixlen = lcl.bitlen;
1427
1428 if (brd_len < 0 && cmd != RTM_DELADDR) {
1429 inet_prefix brd;
1430 int i;
1431 if (req.ifa.ifa_family != AF_INET) {
1432 fprintf(stderr, "Broadcast can be set only for IPv4 addresses\n");
1433 return -1;
1434 }
1435 brd = peer;
1436 if (brd.bitlen <= 30) {
1437 for (i=31; i>=brd.bitlen; i--) {
1438 if (brd_len == -1)
1439 brd.data[0] |= htonl(1<<(31-i));
1440 else
1441 brd.data[0] &= ~htonl(1<<(31-i));
1442 }
1443 addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &brd.data, brd.bytelen);
1444 brd_len = brd.bytelen;
1445 }
1446 }
1447 if (!scoped && cmd != RTM_DELADDR)
1448 req.ifa.ifa_scope = default_scope(&lcl);
1449
aba5acdf
SH		 1450 if ((req.ifa.ifa_index = ll_name_to_index(d)) == 0) {
1451 fprintf(stderr, "Cannot find device \"%s\"\n", d);
1452 return -1;
1453 }
1454
35546df7
MN		 1455 if (valid_lftp || preferred_lftp) {
1456 if (!valid_lft) {
1457 fprintf(stderr, "valid_lft is zero\n");
1458 return -1;
1459 }
1460 if (valid_lft < preferred_lft) {
1461 fprintf(stderr, "preferred_lft is greater than valid_lft\n");
1462 return -1;
1463 }
1464
1465 memset(&cinfo, 0, sizeof(cinfo));
1466 cinfo.ifa_prefered = preferred_lft;
1467 cinfo.ifa_valid = valid_lft;
1468 addattr_l(&req.n, sizeof(req), IFA_CACHEINFO, &cinfo,
1469 sizeof(cinfo));
1470 }
1471
cd70f3f5 1472 if (rtnl_talk(&rth, &req.n, 0, 0, NULL) < 0)
1db61e02 1473 return -2;
aba5acdf 1474
351efcde 1475 return 0;
aba5acdf
SH		 1476}
1477
1478int do_ipaddr(int argc, char **argv)
1479{
1480 if (argc < 1)
81824ac2 1481 return ipaddr_list_flush_or_save(0, NULL, IPADD_LIST);
aba5acdf 1482 if (matches(*argv, "add") == 0)
0aef366b
NT		 1483 return ipaddr_modify(RTM_NEWADDR, NLM_F_CREATE|NLM_F_EXCL, argc-1, argv+1);
1484 if (matches(*argv, "change") == 0 ||
1485 strcmp(*argv, "chg") == 0)
1486 return ipaddr_modify(RTM_NEWADDR, NLM_F_REPLACE, argc-1, argv+1);
1487 if (matches(*argv, "replace") == 0)
1488 return ipaddr_modify(RTM_NEWADDR, NLM_F_CREATE|NLM_F_REPLACE, argc-1, argv+1);
aba5acdf 1489 if (matches(*argv, "delete") == 0)
0aef366b 1490 return ipaddr_modify(RTM_DELADDR, 0, argc-1, argv+1);
aba5acdf
SH		 1491 if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0
1492 || matches(*argv, "lst") == 0)
81824ac2 1493 return ipaddr_list_flush_or_save(argc-1, argv+1, IPADD_LIST);
aba5acdf 1494 if (matches(*argv, "flush") == 0)
81824ac2
PE		 1495 return ipaddr_list_flush_or_save(argc-1, argv+1, IPADD_FLUSH);
1496 if (matches(*argv, "save") == 0)
1497 return ipaddr_list_flush_or_save(argc-1, argv+1, IPADD_SAVE);
1498 if (matches(*argv, "showdump") == 0)
1499 return ipaddr_showdump();
1500 if (matches(*argv, "restore") == 0)
1501 return ipaddr_restore();
aba5acdf
SH		 1502 if (matches(*argv, "help") == 0)
1503 usage();
b096fa5f 1504 fprintf(stderr, "Command \"%s\" is unknown, try \"ip addr help\".\n", *argv);
aba5acdf
SH		 1505 exit(-1);
1506}
Upstream mirror of iproute2