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osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001/*
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 *
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +000011 */
12
13#include <stdio.h>
14#include <stdlib.h>
15#include <unistd.h>
16#include <syslog.h>
Stephen Hemmingere6e6fb52012-02-21 17:18:59 -080017#include <inttypes.h>
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +000018#include <fcntl.h>
19#include <sys/ioctl.h>
20#include <sys/socket.h>
21#include <sys/ioctl.h>
Strake5bd9dd42012-12-23 08:46:04 -050022#include <errno.h>
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +000023#include <netinet/in.h>
24#include <arpa/inet.h>
25#include <string.h>
26#include <fnmatch.h>
27
osdl.org!shemmingere5779fb2004-06-09 22:56:28 +000028#include <linux/netdevice.h>
29#include <linux/if_arp.h>
30#include <linux/sockios.h>
31
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +000032#include "rt_names.h"
33#include "utils.h"
34#include "ll_map.h"
35#include "ip_common.h"
36
Pavel Emelyanov81824ac2012-09-11 19:47:00 +040037enum {
38 IPADD_LIST,
39 IPADD_FLUSH,
40 IPADD_SAVE,
41};
Daniel Silverstone7b3d3662007-10-19 13:32:24 +020042
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +000043static 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;
Vlad Dogaruf960c922011-02-02 20:23:40 +020058 int group;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +000059} 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 }
Noriaki TAKAMIYA0aef3662006-11-24 12:26:58 +090070 fprintf(stderr, "Usage: ip addr {add|change|replace} IFADDR dev STRING [ LIFETIME ]\n");
Brian Haleya1f27792009-12-03 10:39:36 +000071 fprintf(stderr, " [ CONFFLAG-LIST ]\n");
Masahide NAKAMURA35546df2006-11-24 12:26:55 +090072 fprintf(stderr, " ip addr del IFADDR dev STRING\n");
Pavel Emelyanov81824ac2012-09-11 19:47:00 +040073 fprintf(stderr, " ip addr {show|save|flush} [ dev STRING ] [ scope SCOPE-ID ]\n");
Petr Ĺ abata44051232013-03-14 15:10:44 +010074 fprintf(stderr, " [ to PREFIX ] [ FLAG-LIST ] [ label PATTERN ] [up]\n");
Pavel Emelyanov81824ac2012-09-11 19:47:00 +040075 fprintf(stderr, " ip addr {showdump|restore}\n");
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +000076 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");
Brian Haleya1b9ffc2009-09-14 17:01:43 -040082 fprintf(stderr, " tentative | deprecated | dadfailed | temporary |\n");
Brian Haleya1f27792009-12-03 10:39:36 +000083 fprintf(stderr, " CONFFLAG-LIST ]\n");
Noriaki TAKAMIYAbac735c2007-03-08 03:15:43 +090084 fprintf(stderr, "CONFFLAG-LIST := [ CONFFLAG-LIST ] CONFFLAG\n");
85 fprintf(stderr, "CONFFLAG := [ home | nodad ]\n");
Masahide NAKAMURA35546df2006-11-24 12:26:55 +090086 fprintf(stderr, "LIFETIME := [ valid_lft LFT ] [ preferred_lft LFT ]\n");
87 fprintf(stderr, "LFT := forever | SECONDS\n");
88
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +000089 exit(-1);
90}
91
Stephen Hemmingerd1f28cf2013-02-12 11:09:03 -080092static void print_link_flags(FILE *fp, unsigned flags, unsigned mdown)
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +000093{
94 fprintf(fp, "<");
net[shemminger]!shemminger73b49e92005-03-14 18:47:38 +000095 if (flags & IFF_UP && !(flags & IFF_RUNNING))
96 fprintf(fp, "NO-CARRIER%s", flags ? "," : "");
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +000097 flags &= ~IFF_RUNNING;
98#define _PF(f) if (flags&IFF_##f) { \
Stephen Hemminger1124ffb2013-03-14 13:47:49 -070099 flags &= ~IFF_##f ; \
100 fprintf(fp, #f "%s", flags ? "," : ""); }
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000101 _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);
Thomas Grafdcb283c2007-06-19 16:40:40 -0700116 _PF(LOWER_UP);
117 _PF(DORMANT);
Oliver Hartkopp98f9a1d2009-03-27 11:21:29 -0700118 _PF(ECHO);
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000119#undef _PF
Stephen Hemminger1124ffb2013-03-14 13:47:49 -0700120 if (flags)
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000121 fprintf(fp, "%x", flags);
122 if (mdown)
123 fprintf(fp, ",M-DOWN");
124 fprintf(fp, "> ");
125}
126
Stephen Hemminger3d866ba2008-03-14 15:30:03 -0700127static const char *oper_states[] = {
128 "UNKNOWN", "NOTPRESENT", "DOWN", "LOWERLAYERDOWN",
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
Stephen Hemminger4f2fdd42012-04-05 15:08:57 -0700140int 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
Eric Dumazetf78e3162009-10-22 18:13:21 +0000150static void print_queuelen(FILE *f, struct rtattr *tb[IFLA_MAX + 1])
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000151{
Eric Dumazetf78e3162009-10-22 18:13:21 +0000152 int qlen;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000153
Eric Dumazetf78e3162009-10-22 18:13:21 +0000154 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);
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000159
Eric Dumazetf78e3162009-10-22 18:13:21 +0000160 if (s < 0)
161 return;
162
163 memset(&ifr, 0, sizeof(ifr));
Stephen Hemmingerff247462012-04-10 08:47:55 -0700164 strcpy(ifr.ifr_name, rta_getattr_str(tb[IFLA_IFNAME]));
Eric Dumazetf78e3162009-10-22 18:13:21 +0000165 if (ioctl(s, SIOCGIFTXQLEN, &ifr) < 0) {
Nicolas Dichteld3603512013-01-29 08:46:42 -0800166 fprintf(f, "ioctl(SIOCGIFTXQLEN) failed: %s\n", strerror(errno));
Eric Dumazetf78e3162009-10-22 18:13:21 +0000167 close(s);
168 return;
169 }
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000170 close(s);
Eric Dumazetf78e3162009-10-22 18:13:21 +0000171 qlen = ifr.ifr_qlen;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000172 }
Eric Dumazetf78e3162009-10-22 18:13:21 +0000173 if (qlen)
174 fprintf(f, "qlen %d", qlen);
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000175}
176
Stephen Hemminger82499282012-03-19 17:24:43 -0700177static 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
Patrick McHardy1d934832007-08-22 10:49:01 -0700191static void print_linktype(FILE *fp, struct rtattr *tb)
192{
193 struct rtattr *linkinfo[IFLA_INFO_MAX+1];
194 struct link_util *lu;
195 char *kind;
196
197 parse_rtattr_nested(linkinfo, IFLA_INFO_MAX, tb);
198
199 if (!linkinfo[IFLA_INFO_KIND])
200 return;
201 kind = RTA_DATA(linkinfo[IFLA_INFO_KIND]);
202
203 fprintf(fp, "%s", _SL_);
204 fprintf(fp, " %s ", kind);
205
206 lu = get_link_kind(kind);
207 if (!lu || !lu->print_opt)
208 return;
209
210 if (1) {
211 struct rtattr *attr[lu->maxattr+1], **data = NULL;
212
213 if (linkinfo[IFLA_INFO_DATA]) {
214 parse_rtattr_nested(attr, lu->maxattr,
215 linkinfo[IFLA_INFO_DATA]);
216 data = attr;
217 }
218 lu->print_opt(lu, fp, data);
219
220 if (linkinfo[IFLA_INFO_XSTATS] && show_stats &&
221 lu->print_xstats)
222 lu->print_xstats(lu, fp, linkinfo[IFLA_INFO_XSTATS]);
223 }
224}
225
Chris Wright3fd86632010-05-18 00:57:00 -0700226static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
227{
228 struct ifla_vf_mac *vf_mac;
229 struct ifla_vf_vlan *vf_vlan;
230 struct ifla_vf_tx_rate *vf_tx_rate;
Greg Rose7b8179c2011-10-13 20:31:32 +0000231 struct ifla_vf_spoofchk *vf_spoofchk;
Rony Efraim07fa9c12013-06-13 13:19:12 +0300232 struct ifla_vf_link_state *vf_linkstate;
Chris Wright3fd86632010-05-18 00:57:00 -0700233 struct rtattr *vf[IFLA_VF_MAX+1];
Greg Rose7b8179c2011-10-13 20:31:32 +0000234 struct rtattr *tmp;
Chris Wright3fd86632010-05-18 00:57:00 -0700235 SPRINT_BUF(b1);
236
237 if (vfinfo->rta_type != IFLA_VF_INFO) {
238 fprintf(stderr, "BUG: rta type is %d\n", vfinfo->rta_type);
239 return;
240 }
241
242 parse_rtattr_nested(vf, IFLA_VF_MAX, vfinfo);
243
244 vf_mac = RTA_DATA(vf[IFLA_VF_MAC]);
245 vf_vlan = RTA_DATA(vf[IFLA_VF_VLAN]);
246 vf_tx_rate = RTA_DATA(vf[IFLA_VF_TX_RATE]);
247
Greg Rose7b8179c2011-10-13 20:31:32 +0000248 /* Check if the spoof checking vf info type is supported by
249 * this kernel.
250 */
251 tmp = (struct rtattr *)((char *)vf[IFLA_VF_TX_RATE] +
252 vf[IFLA_VF_TX_RATE]->rta_len);
253
254 if (tmp->rta_type != IFLA_VF_SPOOFCHK)
255 vf_spoofchk = NULL;
256 else
257 vf_spoofchk = RTA_DATA(vf[IFLA_VF_SPOOFCHK]);
258
Rony Efraim07fa9c12013-06-13 13:19:12 +0300259 if (vf_spoofchk) {
260 /* Check if the link state vf info type is supported by
261 * this kernel.
262 */
263 tmp = (struct rtattr *)((char *)vf[IFLA_VF_SPOOFCHK] +
264 vf[IFLA_VF_SPOOFCHK]->rta_len);
265
266 if (tmp->rta_type != IFLA_VF_LINK_STATE)
267 vf_linkstate = NULL;
268 else
269 vf_linkstate = RTA_DATA(vf[IFLA_VF_LINK_STATE]);
270 } else
271 vf_linkstate = NULL;
272
Chris Wright3fd86632010-05-18 00:57:00 -0700273 fprintf(fp, "\n vf %d MAC %s", vf_mac->vf,
274 ll_addr_n2a((unsigned char *)&vf_mac->mac,
275 ETH_ALEN, 0, b1, sizeof(b1)));
276 if (vf_vlan->vlan)
277 fprintf(fp, ", vlan %d", vf_vlan->vlan);
278 if (vf_vlan->qos)
279 fprintf(fp, ", qos %d", vf_vlan->qos);
280 if (vf_tx_rate->rate)
281 fprintf(fp, ", tx rate %d (Mbps)", vf_tx_rate->rate);
Greg Rose7b8179c2011-10-13 20:31:32 +0000282 if (vf_spoofchk && vf_spoofchk->setting != -1) {
283 if (vf_spoofchk->setting)
284 fprintf(fp, ", spoof checking on");
285 else
286 fprintf(fp, ", spoof checking off");
287 }
Rony Efraim07fa9c12013-06-13 13:19:12 +0300288 if (vf_linkstate) {
289 if (vf_linkstate->link_state == IFLA_VF_LINK_STATE_AUTO)
290 fprintf(fp, ", link-state auto");
291 else if (vf_linkstate->link_state == IFLA_VF_LINK_STATE_ENABLE)
292 fprintf(fp, ", link-state enable");
293 else
294 fprintf(fp, ", link-state disable");
295 }
Chris Wright3fd86632010-05-18 00:57:00 -0700296}
297
Stephen Hemmingere6e6fb52012-02-21 17:18:59 -0800298static void print_link_stats64(FILE *fp, const struct rtnl_link_stats64 *s) {
299 fprintf(fp, "%s", _SL_);
300 fprintf(fp, " RX: bytes packets errors dropped overrun mcast %s%s",
301 s->rx_compressed ? "compressed" : "", _SL_);
302 fprintf(fp, " %-10"PRIu64" %-8"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
303 (uint64_t)s->rx_bytes,
304 (uint64_t)s->rx_packets,
305 (uint64_t)s->rx_errors,
306 (uint64_t)s->rx_dropped,
307 (uint64_t)s->rx_over_errors,
308 (uint64_t)s->multicast);
309 if (s->rx_compressed)
310 fprintf(fp, " %-7"PRIu64"",
311 (uint64_t)s->rx_compressed);
312 if (show_stats > 1) {
313 fprintf(fp, "%s", _SL_);
314 fprintf(fp, " RX errors: length crc frame fifo missed%s", _SL_);
315 fprintf(fp, " %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
316 (uint64_t)s->rx_length_errors,
317 (uint64_t)s->rx_crc_errors,
318 (uint64_t)s->rx_frame_errors,
319 (uint64_t)s->rx_fifo_errors,
320 (uint64_t)s->rx_missed_errors);
321 }
322 fprintf(fp, "%s", _SL_);
323 fprintf(fp, " TX: bytes packets errors dropped carrier collsns %s%s",
324 (uint64_t)s->tx_compressed ? "compressed" : "", _SL_);
325 fprintf(fp, " %-10"PRIu64" %-8"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
326 (uint64_t)s->tx_bytes,
327 (uint64_t)s->tx_packets,
328 (uint64_t)s->tx_errors,
329 (uint64_t)s->tx_dropped,
330 (uint64_t)s->tx_carrier_errors,
331 (uint64_t)s->collisions);
332 if (s->tx_compressed)
333 fprintf(fp, " %-7"PRIu64"",
334 (uint64_t)s->tx_compressed);
335 if (show_stats > 1) {
336 fprintf(fp, "%s", _SL_);
337 fprintf(fp, " TX errors: aborted fifo window heartbeat%s", _SL_);
338 fprintf(fp, " %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
339 (uint64_t)s->tx_aborted_errors,
340 (uint64_t)s->tx_fifo_errors,
341 (uint64_t)s->tx_window_errors,
342 (uint64_t)s->tx_heartbeat_errors);
343 }
344}
345
346static void print_link_stats(FILE *fp, const struct rtnl_link_stats *s)
347{
348 fprintf(fp, "%s", _SL_);
349 fprintf(fp, " RX: bytes packets errors dropped overrun mcast %s%s",
350 s->rx_compressed ? "compressed" : "", _SL_);
351 fprintf(fp, " %-10u %-8u %-7u %-7u %-7u %-7u",
352 s->rx_bytes, s->rx_packets, s->rx_errors,
353 s->rx_dropped, s->rx_over_errors,
354 s->multicast
355 );
356 if (s->rx_compressed)
357 fprintf(fp, " %-7u", s->rx_compressed);
358 if (show_stats > 1) {
359 fprintf(fp, "%s", _SL_);
360 fprintf(fp, " RX errors: length crc frame fifo missed%s", _SL_);
361 fprintf(fp, " %-7u %-7u %-7u %-7u %-7u",
362 s->rx_length_errors,
363 s->rx_crc_errors,
364 s->rx_frame_errors,
365 s->rx_fifo_errors,
366 s->rx_missed_errors
367 );
368 }
369 fprintf(fp, "%s", _SL_);
370 fprintf(fp, " TX: bytes packets errors dropped carrier collsns %s%s",
371 s->tx_compressed ? "compressed" : "", _SL_);
372 fprintf(fp, " %-10u %-8u %-7u %-7u %-7u %-7u",
373 s->tx_bytes, s->tx_packets, s->tx_errors,
374 s->tx_dropped, s->tx_carrier_errors, s->collisions);
375 if (s->tx_compressed)
376 fprintf(fp, " %-7u", s->tx_compressed);
377 if (show_stats > 1) {
378 fprintf(fp, "%s", _SL_);
379 fprintf(fp, " TX errors: aborted fifo window heartbeat%s", _SL_);
380 fprintf(fp, " %-7u %-7u %-7u %-7u",
381 s->tx_aborted_errors,
382 s->tx_fifo_errors,
383 s->tx_window_errors,
384 s->tx_heartbeat_errors
385 );
386 }
387}
388
Stephen Hemmingerae665a52006-12-05 10:10:22 -0800389int print_linkinfo(const struct sockaddr_nl *who,
osdl.net!shemminger50772dc2004-12-07 21:48:29 +0000390 struct nlmsghdr *n, void *arg)
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000391{
392 FILE *fp = (FILE*)arg;
393 struct ifinfomsg *ifi = NLMSG_DATA(n);
394 struct rtattr * tb[IFLA_MAX+1];
395 int len = n->nlmsg_len;
396 unsigned m_flag = 0;
397
398 if (n->nlmsg_type != RTM_NEWLINK && n->nlmsg_type != RTM_DELLINK)
399 return 0;
400
401 len -= NLMSG_LENGTH(sizeof(*ifi));
402 if (len < 0)
403 return -1;
404
405 if (filter.ifindex && ifi->ifi_index != filter.ifindex)
406 return 0;
407 if (filter.up && !(ifi->ifi_flags&IFF_UP))
408 return 0;
409
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000410 parse_rtattr(tb, IFLA_MAX, IFLA_RTA(ifi), len);
411 if (tb[IFLA_IFNAME] == NULL) {
jamal4cd23bd2008-08-08 10:06:17 -0400412 fprintf(stderr, "BUG: device with ifindex %d has nil ifname\n", ifi->ifi_index);
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000413 }
414 if (filter.label &&
415 (!filter.family || filter.family == AF_PACKET) &&
416 fnmatch(filter.label, RTA_DATA(tb[IFLA_IFNAME]), 0))
417 return 0;
418
Vlad Dogaruf960c922011-02-02 20:23:40 +0200419 if (tb[IFLA_GROUP]) {
420 int group = *(int*)RTA_DATA(tb[IFLA_GROUP]);
421 if (group != filter.group)
422 return -1;
423 }
424
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000425 if (n->nlmsg_type == RTM_DELLINK)
426 fprintf(fp, "Deleted ");
427
428 fprintf(fp, "%d: %s", ifi->ifi_index,
Stephen Hemmingerff247462012-04-10 08:47:55 -0700429 tb[IFLA_IFNAME] ? rta_getattr_str(tb[IFLA_IFNAME]) : "<nil>");
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000430
431 if (tb[IFLA_LINK]) {
432 SPRINT_BUF(b1);
433 int iflink = *(int*)RTA_DATA(tb[IFLA_LINK]);
434 if (iflink == 0)
435 fprintf(fp, "@NONE: ");
436 else {
437 fprintf(fp, "@%s: ", ll_idx_n2a(iflink, b1));
438 m_flag = ll_index_to_flags(iflink);
439 m_flag = !(m_flag & IFF_UP);
440 }
441 } else {
442 fprintf(fp, ": ");
443 }
444 print_link_flags(fp, ifi->ifi_flags, m_flag);
445
446 if (tb[IFLA_MTU])
447 fprintf(fp, "mtu %u ", *(int*)RTA_DATA(tb[IFLA_MTU]));
448 if (tb[IFLA_QDISC])
Stephen Hemmingerff247462012-04-10 08:47:55 -0700449 fprintf(fp, "qdisc %s ", rta_getattr_str(tb[IFLA_QDISC]));
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000450 if (tb[IFLA_MASTER]) {
451 SPRINT_BUF(b1);
452 fprintf(fp, "master %s ", ll_idx_n2a(*(int*)RTA_DATA(tb[IFLA_MASTER]), b1));
453 }
Stephen Hemminger82499282012-03-19 17:24:43 -0700454
Stephen Hemminger3d866ba2008-03-14 15:30:03 -0700455 if (tb[IFLA_OPERSTATE])
Stephen Hemmingerff247462012-04-10 08:47:55 -0700456 print_operstate(fp, rta_getattr_u8(tb[IFLA_OPERSTATE]));
Stephen Hemminger82499282012-03-19 17:24:43 -0700457
458 if (do_link && tb[IFLA_LINKMODE])
459 print_linkmode(fp, tb[IFLA_LINKMODE]);
460
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000461 if (filter.showqueue)
Eric Dumazetf78e3162009-10-22 18:13:21 +0000462 print_queuelen(fp, tb);
Stephen Hemmingerae665a52006-12-05 10:10:22 -0800463
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000464 if (!filter.family || filter.family == AF_PACKET) {
465 SPRINT_BUF(b1);
466 fprintf(fp, "%s", _SL_);
467 fprintf(fp, " link/%s ", ll_type_n2a(ifi->ifi_type, b1, sizeof(b1)));
468
469 if (tb[IFLA_ADDRESS]) {
470 fprintf(fp, "%s", ll_addr_n2a(RTA_DATA(tb[IFLA_ADDRESS]),
471 RTA_PAYLOAD(tb[IFLA_ADDRESS]),
472 ifi->ifi_type,
473 b1, sizeof(b1)));
474 }
475 if (tb[IFLA_BROADCAST]) {
476 if (ifi->ifi_flags&IFF_POINTOPOINT)
477 fprintf(fp, " peer ");
478 else
479 fprintf(fp, " brd ");
480 fprintf(fp, "%s", ll_addr_n2a(RTA_DATA(tb[IFLA_BROADCAST]),
481 RTA_PAYLOAD(tb[IFLA_BROADCAST]),
482 ifi->ifi_type,
483 b1, sizeof(b1)));
484 }
485 }
Patrick McHardy1d934832007-08-22 10:49:01 -0700486
Stephen Hemminger1cb6a112013-02-05 08:16:28 -0800487 if (do_link && tb[IFLA_PROMISCUITY] && show_details)
488 fprintf(fp, " promiscuity %u ",
489 *(int*)RTA_DATA(tb[IFLA_PROMISCUITY]));
490
Patrick McHardy1d934832007-08-22 10:49:01 -0700491 if (do_link && tb[IFLA_LINKINFO] && show_details)
492 print_linktype(fp, tb[IFLA_LINKINFO]);
493
roopa263c8942013-03-12 15:04:02 -0700494 if (do_link && tb[IFLA_IFALIAS]) {
Stephen Hemminger1124ffb2013-03-14 13:47:49 -0700495 fprintf(fp, "%s alias %s", _SL_,
Stephen Hemmingerff247462012-04-10 08:47:55 -0700496 rta_getattr_str(tb[IFLA_IFALIAS]));
roopa263c8942013-03-12 15:04:02 -0700497 }
Stephen Hemmingerace9c962009-03-23 10:46:47 -0700498
Stephen Hemmingere6e6fb52012-02-21 17:18:59 -0800499 if (do_link && show_stats) {
500 if (tb[IFLA_STATS64])
501 print_link_stats64(fp, RTA_DATA(tb[IFLA_STATS64]));
502 else if (tb[IFLA_STATS])
503 print_link_stats(fp, RTA_DATA(tb[IFLA_STATS]));
Jan Engelhardt8864ac92010-03-11 10:00:34 +0000504 }
Stephen Hemmingere6e6fb52012-02-21 17:18:59 -0800505
Chris Wright3fd86632010-05-18 00:57:00 -0700506 if (do_link && tb[IFLA_VFINFO_LIST] && tb[IFLA_NUM_VF]) {
507 struct rtattr *i, *vflist = tb[IFLA_VFINFO_LIST];
508 int rem = RTA_PAYLOAD(vflist);
509 for (i = RTA_DATA(vflist); RTA_OK(i, rem); i = RTA_NEXT(i, rem))
510 print_vfinfo(fp, i);
Williams, Mitch Aae7229d2010-02-10 01:47:08 +0000511 }
Chris Wright3fd86632010-05-18 00:57:00 -0700512
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000513 fprintf(fp, "\n");
514 fflush(fp);
515 return 0;
516}
517
518static int flush_update(void)
519{
Stephen Hemmingerf31a37f2008-01-31 21:38:58 -0800520 if (rtnl_send_check(&rth, filter.flushb, filter.flushp) < 0) {
Stephen Hemminger1fb0a992008-01-26 11:08:31 -0800521 perror("Failed to send flush request");
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000522 return -1;
523 }
524 filter.flushp = 0;
525 return 0;
526}
527
Masahide NAKAMURA35546df2006-11-24 12:26:55 +0900528static int set_lifetime(unsigned int *lifetime, char *argv)
529{
530 if (strcmp(argv, "forever") == 0)
Masahide NAKAMURA141bb602006-11-24 12:27:01 +0900531 *lifetime = INFINITY_LIFE_TIME;
Masahide NAKAMURA35546df2006-11-24 12:26:55 +0900532 else if (get_u32(lifetime, argv, 0))
533 return -1;
534
535 return 0;
536}
537
Stephen Hemmingerae665a52006-12-05 10:10:22 -0800538int print_addrinfo(const struct sockaddr_nl *who, struct nlmsghdr *n,
osdl.net!shemminger6dc9f012004-08-31 17:45:21 +0000539 void *arg)
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000540{
541 FILE *fp = (FILE*)arg;
542 struct ifaddrmsg *ifa = NLMSG_DATA(n);
543 int len = n->nlmsg_len;
Benedikt Gollatz037d9502009-01-06 19:36:56 -0800544 int deprecated = 0;
Ben Greear3bc1c4f2010-08-16 10:00:08 -0700545 /* Use local copy of ifa_flags to not interfere with filtering code */
546 unsigned int ifa_flags;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000547 struct rtattr * rta_tb[IFA_MAX+1];
548 char abuf[256];
549 SPRINT_BUF(b1);
550
551 if (n->nlmsg_type != RTM_NEWADDR && n->nlmsg_type != RTM_DELADDR)
552 return 0;
553 len -= NLMSG_LENGTH(sizeof(*ifa));
554 if (len < 0) {
555 fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
556 return -1;
557 }
558
559 if (filter.flushb && n->nlmsg_type != RTM_NEWADDR)
560 return 0;
561
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000562 parse_rtattr(rta_tb, IFA_MAX, IFA_RTA(ifa), n->nlmsg_len - NLMSG_LENGTH(sizeof(*ifa)));
563
564 if (!rta_tb[IFA_LOCAL])
565 rta_tb[IFA_LOCAL] = rta_tb[IFA_ADDRESS];
566 if (!rta_tb[IFA_ADDRESS])
567 rta_tb[IFA_ADDRESS] = rta_tb[IFA_LOCAL];
568
569 if (filter.ifindex && filter.ifindex != ifa->ifa_index)
570 return 0;
571 if ((filter.scope^ifa->ifa_scope)&filter.scopemask)
572 return 0;
573 if ((filter.flags^ifa->ifa_flags)&filter.flagmask)
574 return 0;
575 if (filter.label) {
576 SPRINT_BUF(b1);
577 const char *label;
578 if (rta_tb[IFA_LABEL])
579 label = RTA_DATA(rta_tb[IFA_LABEL]);
580 else
581 label = ll_idx_n2a(ifa->ifa_index, b1);
582 if (fnmatch(filter.label, label, 0) != 0)
583 return 0;
584 }
585 if (filter.pfx.family) {
586 if (rta_tb[IFA_LOCAL]) {
587 inet_prefix dst;
588 memset(&dst, 0, sizeof(dst));
589 dst.family = ifa->ifa_family;
590 memcpy(&dst.data, RTA_DATA(rta_tb[IFA_LOCAL]), RTA_PAYLOAD(rta_tb[IFA_LOCAL]));
591 if (inet_addr_match(&dst, &filter.pfx, filter.pfx.bitlen))
592 return 0;
593 }
594 }
595
net[shemminger]!shemminger3eb17312005-02-07 18:28:31 +0000596 if (filter.family && filter.family != ifa->ifa_family)
597 return 0;
598
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000599 if (filter.flushb) {
600 struct nlmsghdr *fn;
601 if (NLMSG_ALIGN(filter.flushp) + n->nlmsg_len > filter.flushe) {
602 if (flush_update())
603 return -1;
604 }
605 fn = (struct nlmsghdr*)(filter.flushb + NLMSG_ALIGN(filter.flushp));
606 memcpy(fn, n, n->nlmsg_len);
607 fn->nlmsg_type = RTM_DELADDR;
608 fn->nlmsg_flags = NLM_F_REQUEST;
shemminger351efcd2005-09-01 19:21:50 +0000609 fn->nlmsg_seq = ++rth.seq;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000610 filter.flushp = (((char*)fn) + n->nlmsg_len) - filter.flushb;
611 filter.flushed++;
612 if (show_stats < 2)
613 return 0;
614 }
615
616 if (n->nlmsg_type == RTM_DELADDR)
617 fprintf(fp, "Deleted ");
618
619 if (filter.oneline || filter.flushb)
620 fprintf(fp, "%u: %s", ifa->ifa_index, ll_index_to_name(ifa->ifa_index));
621 if (ifa->ifa_family == AF_INET)
622 fprintf(fp, " inet ");
623 else if (ifa->ifa_family == AF_INET6)
624 fprintf(fp, " inet6 ");
625 else if (ifa->ifa_family == AF_DECnet)
626 fprintf(fp, " dnet ");
627 else if (ifa->ifa_family == AF_IPX)
628 fprintf(fp, " ipx ");
629 else
630 fprintf(fp, " family %d ", ifa->ifa_family);
631
632 if (rta_tb[IFA_LOCAL]) {
633 fprintf(fp, "%s", rt_addr_n2a(ifa->ifa_family,
634 RTA_PAYLOAD(rta_tb[IFA_LOCAL]),
635 RTA_DATA(rta_tb[IFA_LOCAL]),
636 abuf, sizeof(abuf)));
637
638 if (rta_tb[IFA_ADDRESS] == NULL ||
Nicolas Dichtel973eb502013-07-16 22:52:48 +0200639 memcmp(RTA_DATA(rta_tb[IFA_ADDRESS]), RTA_DATA(rta_tb[IFA_LOCAL]),
640 ifa->ifa_family == AF_INET ? 4 : 16) == 0) {
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000641 fprintf(fp, "/%d ", ifa->ifa_prefixlen);
642 } else {
643 fprintf(fp, " peer %s/%d ",
644 rt_addr_n2a(ifa->ifa_family,
645 RTA_PAYLOAD(rta_tb[IFA_ADDRESS]),
646 RTA_DATA(rta_tb[IFA_ADDRESS]),
647 abuf, sizeof(abuf)),
648 ifa->ifa_prefixlen);
649 }
650 }
651
652 if (rta_tb[IFA_BROADCAST]) {
653 fprintf(fp, "brd %s ",
654 rt_addr_n2a(ifa->ifa_family,
655 RTA_PAYLOAD(rta_tb[IFA_BROADCAST]),
656 RTA_DATA(rta_tb[IFA_BROADCAST]),
657 abuf, sizeof(abuf)));
658 }
659 if (rta_tb[IFA_ANYCAST]) {
660 fprintf(fp, "any %s ",
661 rt_addr_n2a(ifa->ifa_family,
662 RTA_PAYLOAD(rta_tb[IFA_ANYCAST]),
663 RTA_DATA(rta_tb[IFA_ANYCAST]),
664 abuf, sizeof(abuf)));
665 }
666 fprintf(fp, "scope %s ", rtnl_rtscope_n2a(ifa->ifa_scope, b1, sizeof(b1)));
Ben Greear3bc1c4f2010-08-16 10:00:08 -0700667 ifa_flags = ifa->ifa_flags;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000668 if (ifa->ifa_flags&IFA_F_SECONDARY) {
Ben Greear3bc1c4f2010-08-16 10:00:08 -0700669 ifa_flags &= ~IFA_F_SECONDARY;
Brian Haleya1b9ffc2009-09-14 17:01:43 -0400670 if (ifa->ifa_family == AF_INET6)
671 fprintf(fp, "temporary ");
672 else
673 fprintf(fp, "secondary ");
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000674 }
675 if (ifa->ifa_flags&IFA_F_TENTATIVE) {
Ben Greear3bc1c4f2010-08-16 10:00:08 -0700676 ifa_flags &= ~IFA_F_TENTATIVE;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000677 fprintf(fp, "tentative ");
678 }
679 if (ifa->ifa_flags&IFA_F_DEPRECATED) {
Ben Greear3bc1c4f2010-08-16 10:00:08 -0700680 ifa_flags &= ~IFA_F_DEPRECATED;
Benedikt Gollatz037d9502009-01-06 19:36:56 -0800681 deprecated = 1;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000682 fprintf(fp, "deprecated ");
683 }
Noriaki TAKAMIYAbac735c2007-03-08 03:15:43 +0900684 if (ifa->ifa_flags&IFA_F_HOMEADDRESS) {
Ben Greear3bc1c4f2010-08-16 10:00:08 -0700685 ifa_flags &= ~IFA_F_HOMEADDRESS;
Noriaki TAKAMIYAbac735c2007-03-08 03:15:43 +0900686 fprintf(fp, "home ");
687 }
688 if (ifa->ifa_flags&IFA_F_NODAD) {
Ben Greear3bc1c4f2010-08-16 10:00:08 -0700689 ifa_flags &= ~IFA_F_NODAD;
Noriaki TAKAMIYAbac735c2007-03-08 03:15:43 +0900690 fprintf(fp, "nodad ");
691 }
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000692 if (!(ifa->ifa_flags&IFA_F_PERMANENT)) {
693 fprintf(fp, "dynamic ");
694 } else
Ben Greear3bc1c4f2010-08-16 10:00:08 -0700695 ifa_flags &= ~IFA_F_PERMANENT;
Brian Haleyf4af8512009-12-01 15:58:44 -0800696 if (ifa->ifa_flags&IFA_F_DADFAILED) {
Ben Greear3bc1c4f2010-08-16 10:00:08 -0700697 ifa_flags &= ~IFA_F_DADFAILED;
Brian Haleyf4af8512009-12-01 15:58:44 -0800698 fprintf(fp, "dadfailed ");
699 }
Ben Greear3bc1c4f2010-08-16 10:00:08 -0700700 if (ifa_flags)
701 fprintf(fp, "flags %02x ", ifa_flags);
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000702 if (rta_tb[IFA_LABEL])
Stephen Hemmingerff247462012-04-10 08:47:55 -0700703 fprintf(fp, "%s", rta_getattr_str(rta_tb[IFA_LABEL]));
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000704 if (rta_tb[IFA_CACHEINFO]) {
705 struct ifa_cacheinfo *ci = RTA_DATA(rta_tb[IFA_CACHEINFO]);
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000706 fprintf(fp, "%s", _SL_);
Andreas Schwabf66efad2010-11-05 23:26:29 +0000707 fprintf(fp, " valid_lft ");
Masahide NAKAMURA141bb602006-11-24 12:27:01 +0900708 if (ci->ifa_valid == INFINITY_LIFE_TIME)
Andreas Schwabf66efad2010-11-05 23:26:29 +0000709 fprintf(fp, "forever");
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000710 else
Andreas Schwabf66efad2010-11-05 23:26:29 +0000711 fprintf(fp, "%usec", ci->ifa_valid);
712 fprintf(fp, " preferred_lft ");
Masahide NAKAMURA141bb602006-11-24 12:27:01 +0900713 if (ci->ifa_prefered == INFINITY_LIFE_TIME)
Andreas Schwabf66efad2010-11-05 23:26:29 +0000714 fprintf(fp, "forever");
Benedikt Gollatz037d9502009-01-06 19:36:56 -0800715 else {
716 if (deprecated)
Andreas Schwabf66efad2010-11-05 23:26:29 +0000717 fprintf(fp, "%dsec", ci->ifa_prefered);
Benedikt Gollatz037d9502009-01-06 19:36:56 -0800718 else
Andreas Schwabf66efad2010-11-05 23:26:29 +0000719 fprintf(fp, "%usec", ci->ifa_prefered);
Benedikt Gollatz037d9502009-01-06 19:36:56 -0800720 }
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000721 }
722 fprintf(fp, "\n");
723 fflush(fp);
724 return 0;
725}
726
Stephen Hemmingerd1f28cf2013-02-12 11:09:03 -0800727static int print_addrinfo_primary(const struct sockaddr_nl *who,
728 struct nlmsghdr *n, void *arg)
Simon Hormanb49240e2009-12-03 12:08:27 +1100729{
730 struct ifaddrmsg *ifa = NLMSG_DATA(n);
731
Ben Greear3bc1c4f2010-08-16 10:00:08 -0700732 if (ifa->ifa_flags & IFA_F_SECONDARY)
Simon Hormanb49240e2009-12-03 12:08:27 +1100733 return 0;
734
735 return print_addrinfo(who, n, arg);
736}
737
Stephen Hemmingerd1f28cf2013-02-12 11:09:03 -0800738static int print_addrinfo_secondary(const struct sockaddr_nl *who,
739 struct nlmsghdr *n, void *arg)
Simon Hormanb49240e2009-12-03 12:08:27 +1100740{
741 struct ifaddrmsg *ifa = NLMSG_DATA(n);
742
Ben Greear3bc1c4f2010-08-16 10:00:08 -0700743 if (!(ifa->ifa_flags & IFA_F_SECONDARY))
Simon Hormanb49240e2009-12-03 12:08:27 +1100744 return 0;
745
746 return print_addrinfo(who, n, arg);
747}
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000748
749struct nlmsg_list
750{
751 struct nlmsg_list *next;
752 struct nlmsghdr h;
753};
754
Eric Dumazet62e2e542012-06-09 13:55:55 +0200755struct nlmsg_chain
756{
757 struct nlmsg_list *head;
758 struct nlmsg_list *tail;
759};
760
Stephen Hemminger3d866ba2008-03-14 15:30:03 -0700761static int print_selected_addrinfo(int ifindex, struct nlmsg_list *ainfo, FILE *fp)
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000762{
763 for ( ;ainfo ; ainfo = ainfo->next) {
764 struct nlmsghdr *n = &ainfo->h;
765 struct ifaddrmsg *ifa = NLMSG_DATA(n);
766
767 if (n->nlmsg_type != RTM_NEWADDR)
768 continue;
769
770 if (n->nlmsg_len < NLMSG_LENGTH(sizeof(ifa)))
771 return -1;
772
Stephen Hemmingerae665a52006-12-05 10:10:22 -0800773 if (ifa->ifa_index != ifindex ||
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000774 (filter.family && filter.family != ifa->ifa_family))
775 continue;
776
777 print_addrinfo(NULL, n, fp);
778 }
779 return 0;
780}
781
782
Stephen Hemmingerae665a52006-12-05 10:10:22 -0800783static int store_nlmsg(const struct sockaddr_nl *who, struct nlmsghdr *n,
osdl.net!shemminger6dc9f012004-08-31 17:45:21 +0000784 void *arg)
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000785{
Eric Dumazet62e2e542012-06-09 13:55:55 +0200786 struct nlmsg_chain *lchain = (struct nlmsg_chain *)arg;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000787 struct nlmsg_list *h;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000788
789 h = malloc(n->nlmsg_len+sizeof(void*));
790 if (h == NULL)
791 return -1;
792
793 memcpy(&h->h, n, n->nlmsg_len);
794 h->next = NULL;
795
Eric Dumazet62e2e542012-06-09 13:55:55 +0200796 if (lchain->tail)
797 lchain->tail->next = h;
798 else
799 lchain->head = h;
800 lchain->tail = h;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000801
802 ll_remember_index(who, n, NULL);
803 return 0;
804}
805
Pavel Emelyanov81824ac2012-09-11 19:47:00 +0400806static __u32 ipadd_dump_magic = 0x47361222;
807
808static int ipadd_save_prep(void)
809{
810 int ret;
811
812 if (isatty(STDOUT_FILENO)) {
Kees van Reeuwijk14645ec2013-02-08 03:32:36 +0000813 fprintf(stderr, "Not sending a binary stream to stdout\n");
Pavel Emelyanov81824ac2012-09-11 19:47:00 +0400814 return -1;
815 }
816
817 ret = write(STDOUT_FILENO, &ipadd_dump_magic, sizeof(ipadd_dump_magic));
818 if (ret != sizeof(ipadd_dump_magic)) {
819 fprintf(stderr, "Can't write magic to dump file\n");
820 return -1;
821 }
822
823 return 0;
824}
825
826static int ipadd_dump_check_magic(void)
827{
828 int ret;
829 __u32 magic = 0;
830
831 if (isatty(STDIN_FILENO)) {
832 fprintf(stderr, "Can't restore addr dump from a terminal\n");
833 return -1;
834 }
835
836 ret = fread(&magic, sizeof(magic), 1, stdin);
837 if (magic != ipadd_dump_magic) {
838 fprintf(stderr, "Magic mismatch (%d elems, %x magic)\n", ret, magic);
839 return -1;
840 }
841
842 return 0;
843}
844
845static int save_nlmsg(const struct sockaddr_nl *who, struct nlmsghdr *n,
846 void *arg)
847{
848 int ret;
849
850 ret = write(STDOUT_FILENO, n, n->nlmsg_len);
851 if ((ret > 0) && (ret != n->nlmsg_len)) {
852 fprintf(stderr, "Short write while saving nlmsg\n");
853 ret = -EIO;
854 }
855
856 return ret == n->nlmsg_len ? 0 : ret;
857}
858
859static int show_handler(const struct sockaddr_nl *nl, struct nlmsghdr *n, void *arg)
860{
861 struct ifaddrmsg *ifa = NLMSG_DATA(n);
862
863 printf("if%d:\n", ifa->ifa_index);
864 print_addrinfo(NULL, n, stdout);
865 return 0;
866}
867
868static int ipaddr_showdump(void)
869{
870 if (ipadd_dump_check_magic())
871 exit(-1);
872
873 exit(rtnl_from_file(stdin, &show_handler, NULL));
874}
875
876static int restore_handler(const struct sockaddr_nl *nl, struct nlmsghdr *n, void *arg)
877{
878 int ret;
879
880 n->nlmsg_flags |= NLM_F_REQUEST | NLM_F_CREATE | NLM_F_ACK;
881
882 ll_init_map(&rth);
883
884 ret = rtnl_talk(&rth, n, 0, 0, n);
885 if ((ret < 0) && (errno == EEXIST))
886 ret = 0;
887
888 return ret;
889}
890
891static int ipaddr_restore(void)
892{
893 if (ipadd_dump_check_magic())
894 exit(-1);
895
896 exit(rtnl_from_file(stdin, &restore_handler, NULL));
897}
898
Stephen Hemminger8d07e5f2012-07-13 13:36:07 -0700899static void free_nlmsg_chain(struct nlmsg_chain *info)
900{
901 struct nlmsg_list *l, *n;
902
903 for (l = info->head; l; l = n) {
904 n = l->next;
905 free(l);
906 }
907}
908
909static void ipaddr_filter(struct nlmsg_chain *linfo, struct nlmsg_chain *ainfo)
910{
911 struct nlmsg_list *l, **lp;
912
913 lp = &linfo->head;
914 while ( (l = *lp) != NULL) {
915 int ok = 0;
Petr Písař7f747fd2012-10-03 16:42:41 +0200916 int missing_net_address = 1;
Stephen Hemminger8d07e5f2012-07-13 13:36:07 -0700917 struct ifinfomsg *ifi = NLMSG_DATA(&l->h);
918 struct nlmsg_list *a;
919
920 for (a = ainfo->head; a; a = a->next) {
921 struct nlmsghdr *n = &a->h;
922 struct ifaddrmsg *ifa = NLMSG_DATA(n);
923
Petr Písař7f747fd2012-10-03 16:42:41 +0200924 if (ifa->ifa_index != ifi->ifi_index)
925 continue;
926 missing_net_address = 0;
927 if (filter.family && filter.family != ifa->ifa_family)
Stephen Hemminger8d07e5f2012-07-13 13:36:07 -0700928 continue;
929 if ((filter.scope^ifa->ifa_scope)&filter.scopemask)
930 continue;
931 if ((filter.flags^ifa->ifa_flags)&filter.flagmask)
932 continue;
933 if (filter.pfx.family || filter.label) {
934 struct rtattr *tb[IFA_MAX+1];
935 parse_rtattr(tb, IFA_MAX, IFA_RTA(ifa), IFA_PAYLOAD(n));
936 if (!tb[IFA_LOCAL])
937 tb[IFA_LOCAL] = tb[IFA_ADDRESS];
938
939 if (filter.pfx.family && tb[IFA_LOCAL]) {
940 inet_prefix dst;
941 memset(&dst, 0, sizeof(dst));
942 dst.family = ifa->ifa_family;
943 memcpy(&dst.data, RTA_DATA(tb[IFA_LOCAL]), RTA_PAYLOAD(tb[IFA_LOCAL]));
944 if (inet_addr_match(&dst, &filter.pfx, filter.pfx.bitlen))
945 continue;
946 }
947 if (filter.label) {
948 SPRINT_BUF(b1);
949 const char *label;
950 if (tb[IFA_LABEL])
951 label = RTA_DATA(tb[IFA_LABEL]);
952 else
953 label = ll_idx_n2a(ifa->ifa_index, b1);
954 if (fnmatch(filter.label, label, 0) != 0)
955 continue;
956 }
957 }
958
959 ok = 1;
960 break;
961 }
Petr Písař7f747fd2012-10-03 16:42:41 +0200962 if (missing_net_address &&
963 (filter.family == AF_UNSPEC || filter.family == AF_PACKET))
964 ok = 1;
Stephen Hemminger8d07e5f2012-07-13 13:36:07 -0700965 if (!ok) {
966 *lp = l->next;
967 free(l);
968 } else
969 lp = &l->next;
970 }
971}
972
973static int ipaddr_flush(void)
974{
975 int round = 0;
976 char flushb[4096-512];
977
978 filter.flushb = flushb;
979 filter.flushp = 0;
980 filter.flushe = sizeof(flushb);
981
982 while ((max_flush_loops == 0) || (round < max_flush_loops)) {
983 const struct rtnl_dump_filter_arg a[3] = {
984 {
985 .filter = print_addrinfo_secondary,
986 .arg1 = stdout,
987 },
988 {
989 .filter = print_addrinfo_primary,
990 .arg1 = stdout,
991 },
992 {
993 .filter = NULL,
994 .arg1 = NULL,
995 },
996 };
997 if (rtnl_wilddump_request(&rth, filter.family, RTM_GETADDR) < 0) {
998 perror("Cannot send dump request");
999 exit(1);
1000 }
1001 filter.flushed = 0;
1002 if (rtnl_dump_filter_l(&rth, a) < 0) {
1003 fprintf(stderr, "Flush terminated\n");
1004 exit(1);
1005 }
1006 if (filter.flushed == 0) {
1007 flush_done:
1008 if (show_stats) {
1009 if (round == 0)
1010 printf("Nothing to flush.\n");
1011 else
1012 printf("*** Flush is complete after %d round%s ***\n", round, round>1?"s":"");
1013 }
1014 fflush(stdout);
1015 return 0;
1016 }
1017 round++;
1018 if (flush_update() < 0)
1019 return 1;
1020
1021 if (show_stats) {
1022 printf("\n*** Round %d, deleting %d addresses ***\n", round, filter.flushed);
1023 fflush(stdout);
1024 }
1025
1026 /* If we are flushing, and specifying primary, then we
1027 * want to flush only a single round. Otherwise, we'll
1028 * start flushing secondaries that were promoted to
1029 * primaries.
1030 */
1031 if (!(filter.flags & IFA_F_SECONDARY) && (filter.flagmask & IFA_F_SECONDARY))
1032 goto flush_done;
1033 }
1034 fprintf(stderr, "*** Flush remains incomplete after %d rounds. ***\n", max_flush_loops);
1035 fflush(stderr);
1036 return 1;
1037}
1038
Pavel Emelyanov81824ac2012-09-11 19:47:00 +04001039static int ipaddr_list_flush_or_save(int argc, char **argv, int action)
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001040{
Eric Dumazet62e2e542012-06-09 13:55:55 +02001041 struct nlmsg_chain linfo = { NULL, NULL};
1042 struct nlmsg_chain ainfo = { NULL, NULL};
Stephen Hemminger8d07e5f2012-07-13 13:36:07 -07001043 struct nlmsg_list *l;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001044 char *filter_dev = NULL;
1045 int no_link = 0;
1046
1047 ipaddr_reset_filter(oneline);
1048 filter.showqueue = 1;
1049
1050 if (filter.family == AF_UNSPEC)
1051 filter.family = preferred_family;
1052
Stephen Hemminger242b8da2011-04-12 14:40:14 -07001053 filter.group = INIT_NETDEV_GROUP;
Vlad Dogaruf960c922011-02-02 20:23:40 +02001054
Pavel Emelyanov81824ac2012-09-11 19:47:00 +04001055 if (action == IPADD_FLUSH) {
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001056 if (argc <= 0) {
1057 fprintf(stderr, "Flush requires arguments.\n");
Vlad Dogaruf960c922011-02-02 20:23:40 +02001058
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001059 return -1;
1060 }
1061 if (filter.family == AF_PACKET) {
1062 fprintf(stderr, "Cannot flush link addresses.\n");
1063 return -1;
1064 }
1065 }
1066
1067 while (argc > 0) {
1068 if (strcmp(*argv, "to") == 0) {
1069 NEXT_ARG();
1070 get_prefix(&filter.pfx, *argv, filter.family);
1071 if (filter.family == AF_UNSPEC)
1072 filter.family = filter.pfx.family;
1073 } else if (strcmp(*argv, "scope") == 0) {
shemmingerf332d162005-07-05 22:37:15 +00001074 unsigned scope = 0;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001075 NEXT_ARG();
1076 filter.scopemask = -1;
1077 if (rtnl_rtscope_a2n(&scope, *argv)) {
1078 if (strcmp(*argv, "all") != 0)
1079 invarg("invalid \"scope\"\n", *argv);
1080 scope = RT_SCOPE_NOWHERE;
1081 filter.scopemask = 0;
1082 }
1083 filter.scope = scope;
1084 } else if (strcmp(*argv, "up") == 0) {
1085 filter.up = 1;
1086 } else if (strcmp(*argv, "dynamic") == 0) {
1087 filter.flags &= ~IFA_F_PERMANENT;
1088 filter.flagmask |= IFA_F_PERMANENT;
1089 } else if (strcmp(*argv, "permanent") == 0) {
1090 filter.flags |= IFA_F_PERMANENT;
1091 filter.flagmask |= IFA_F_PERMANENT;
Brian Haleya1b9ffc2009-09-14 17:01:43 -04001092 } else if (strcmp(*argv, "secondary") == 0 ||
1093 strcmp(*argv, "temporary") == 0) {
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001094 filter.flags |= IFA_F_SECONDARY;
1095 filter.flagmask |= IFA_F_SECONDARY;
1096 } else if (strcmp(*argv, "primary") == 0) {
1097 filter.flags &= ~IFA_F_SECONDARY;
1098 filter.flagmask |= IFA_F_SECONDARY;
1099 } else if (strcmp(*argv, "tentative") == 0) {
1100 filter.flags |= IFA_F_TENTATIVE;
1101 filter.flagmask |= IFA_F_TENTATIVE;
1102 } else if (strcmp(*argv, "deprecated") == 0) {
1103 filter.flags |= IFA_F_DEPRECATED;
1104 filter.flagmask |= IFA_F_DEPRECATED;
Noriaki TAKAMIYAbac735c2007-03-08 03:15:43 +09001105 } else if (strcmp(*argv, "home") == 0) {
1106 filter.flags |= IFA_F_HOMEADDRESS;
1107 filter.flagmask |= IFA_F_HOMEADDRESS;
1108 } else if (strcmp(*argv, "nodad") == 0) {
1109 filter.flags |= IFA_F_NODAD;
1110 filter.flagmask |= IFA_F_NODAD;
Brian Haleya1f27792009-12-03 10:39:36 +00001111 } else if (strcmp(*argv, "dadfailed") == 0) {
1112 filter.flags |= IFA_F_DADFAILED;
1113 filter.flagmask |= IFA_F_DADFAILED;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001114 } else if (strcmp(*argv, "label") == 0) {
1115 NEXT_ARG();
1116 filter.label = *argv;
Vlad Dogaruf960c922011-02-02 20:23:40 +02001117 } else if (strcmp(*argv, "group") == 0) {
1118 NEXT_ARG();
1119 if (rtnl_group_a2n(&filter.group, *argv))
1120 invarg("Invalid \"group\" value\n", *argv);
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001121 } else {
1122 if (strcmp(*argv, "dev") == 0) {
1123 NEXT_ARG();
1124 }
1125 if (matches(*argv, "help") == 0)
1126 usage();
1127 if (filter_dev)
1128 duparg2("dev", *argv);
1129 filter_dev = *argv;
1130 }
1131 argv++; argc--;
1132 }
1133
Stephen Hemminger8d07e5f2012-07-13 13:36:07 -07001134 if (filter_dev) {
1135 filter.ifindex = ll_name_to_index(filter_dev);
1136 if (filter.ifindex <= 0) {
1137 fprintf(stderr, "Device \"%s\" does not exist.\n", filter_dev);
1138 return -1;
1139 }
1140 }
1141
Pavel Emelyanov81824ac2012-09-11 19:47:00 +04001142 if (action == IPADD_FLUSH)
Stephen Hemminger8d07e5f2012-07-13 13:36:07 -07001143 return ipaddr_flush();
1144
Pavel Emelyanov81824ac2012-09-11 19:47:00 +04001145 if (action == IPADD_SAVE) {
1146 if (ipadd_save_prep())
1147 exit(1);
1148
1149 if (rtnl_wilddump_request(&rth, preferred_family, RTM_GETADDR) < 0) {
1150 perror("Cannot send dump request");
1151 exit(1);
1152 }
1153
1154 if (rtnl_dump_filter(&rth, save_nlmsg, stdout) < 0) {
1155 fprintf(stderr, "Save terminated\n");
1156 exit(1);
1157 }
1158
1159 exit(0);
1160 }
1161
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001162 if (rtnl_wilddump_request(&rth, preferred_family, RTM_GETLINK) < 0) {
1163 perror("Cannot send dump request");
1164 exit(1);
1165 }
1166
Stephen Hemmingercd70f3f2011-12-28 10:37:12 -08001167 if (rtnl_dump_filter(&rth, store_nlmsg, &linfo) < 0) {
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001168 fprintf(stderr, "Dump terminated\n");
1169 exit(1);
1170 }
1171
Mike Frysingeraf9d4062012-08-13 08:09:52 -07001172 if (filter.family != AF_PACKET) {
Stephen Hemminger8d07e5f2012-07-13 13:36:07 -07001173 if (filter.oneline)
1174 no_link = 1;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001175
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001176 if (rtnl_wilddump_request(&rth, filter.family, RTM_GETADDR) < 0) {
1177 perror("Cannot send dump request");
1178 exit(1);
1179 }
1180
Stephen Hemmingercd70f3f2011-12-28 10:37:12 -08001181 if (rtnl_dump_filter(&rth, store_nlmsg, &ainfo) < 0) {
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001182 fprintf(stderr, "Dump terminated\n");
1183 exit(1);
1184 }
Stephen Hemminger8d07e5f2012-07-13 13:36:07 -07001185
1186 ipaddr_filter(&linfo, &ainfo);
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001187 }
1188
Stephen Hemminger8d07e5f2012-07-13 13:36:07 -07001189 for (l = linfo.head; l; l = l->next) {
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001190 if (no_link || print_linkinfo(NULL, &l->h, stdout) == 0) {
1191 struct ifinfomsg *ifi = NLMSG_DATA(&l->h);
1192 if (filter.family != AF_PACKET)
Stephen Hemminger8d07e5f2012-07-13 13:36:07 -07001193 print_selected_addrinfo(ifi->ifi_index,
1194 ainfo.head, stdout);
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001195 }
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001196 }
Stephen Hemminger8d07e5f2012-07-13 13:36:07 -07001197 fflush(stdout);
1198
1199 free_nlmsg_chain(&ainfo);
1200 free_nlmsg_chain(&linfo);
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001201
shemminger351efcd2005-09-01 19:21:50 +00001202 return 0;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001203}
1204
1205int ipaddr_list_link(int argc, char **argv)
1206{
1207 preferred_family = AF_PACKET;
1208 do_link = 1;
Pavel Emelyanov81824ac2012-09-11 19:47:00 +04001209 return ipaddr_list_flush_or_save(argc, argv, IPADD_LIST);
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001210}
1211
1212void ipaddr_reset_filter(int oneline)
1213{
1214 memset(&filter, 0, sizeof(filter));
1215 filter.oneline = oneline;
1216}
1217
Stephen Hemminger3d866ba2008-03-14 15:30:03 -07001218static int default_scope(inet_prefix *lcl)
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001219{
1220 if (lcl->family == AF_INET) {
1221 if (lcl->bytelen >= 1 && *(__u8*)&lcl->data == 127)
1222 return RT_SCOPE_HOST;
1223 }
1224 return 0;
1225}
1226
Stephen Hemminger3d866ba2008-03-14 15:30:03 -07001227static int ipaddr_modify(int cmd, int flags, int argc, char **argv)
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001228{
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001229 struct {
1230 struct nlmsghdr n;
1231 struct ifaddrmsg ifa;
1232 char buf[256];
1233 } req;
1234 char *d = NULL;
1235 char *l = NULL;
net[shemminger]!shemmingerf082b642005-03-30 18:16:10 +00001236 char *lcl_arg = NULL;
Masahide NAKAMURA35546df2006-11-24 12:26:55 +09001237 char *valid_lftp = NULL;
1238 char *preferred_lftp = NULL;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001239 inet_prefix lcl;
1240 inet_prefix peer;
1241 int local_len = 0;
1242 int peer_len = 0;
1243 int brd_len = 0;
1244 int any_len = 0;
1245 int scoped = 0;
Masahide NAKAMURA141bb602006-11-24 12:27:01 +09001246 __u32 preferred_lft = INFINITY_LIFE_TIME;
1247 __u32 valid_lft = INFINITY_LIFE_TIME;
Masahide NAKAMURA35546df2006-11-24 12:26:55 +09001248 struct ifa_cacheinfo cinfo;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001249
1250 memset(&req, 0, sizeof(req));
1251
1252 req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg));
Noriaki TAKAMIYA0aef3662006-11-24 12:26:58 +09001253 req.n.nlmsg_flags = NLM_F_REQUEST | flags;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001254 req.n.nlmsg_type = cmd;
1255 req.ifa.ifa_family = preferred_family;
1256
1257 while (argc > 0) {
1258 if (strcmp(*argv, "peer") == 0 ||
1259 strcmp(*argv, "remote") == 0) {
1260 NEXT_ARG();
1261
1262 if (peer_len)
1263 duparg("peer", *argv);
1264 get_prefix(&peer, *argv, req.ifa.ifa_family);
1265 peer_len = peer.bytelen;
1266 if (req.ifa.ifa_family == AF_UNSPEC)
1267 req.ifa.ifa_family = peer.family;
1268 addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &peer.data, peer.bytelen);
1269 req.ifa.ifa_prefixlen = peer.bitlen;
1270 } else if (matches(*argv, "broadcast") == 0 ||
1271 strcmp(*argv, "brd") == 0) {
1272 inet_prefix addr;
1273 NEXT_ARG();
1274 if (brd_len)
1275 duparg("broadcast", *argv);
1276 if (strcmp(*argv, "+") == 0)
1277 brd_len = -1;
1278 else if (strcmp(*argv, "-") == 0)
1279 brd_len = -2;
1280 else {
1281 get_addr(&addr, *argv, req.ifa.ifa_family);
1282 if (req.ifa.ifa_family == AF_UNSPEC)
1283 req.ifa.ifa_family = addr.family;
1284 addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &addr.data, addr.bytelen);
1285 brd_len = addr.bytelen;
1286 }
1287 } else if (strcmp(*argv, "anycast") == 0) {
1288 inet_prefix addr;
1289 NEXT_ARG();
1290 if (any_len)
1291 duparg("anycast", *argv);
1292 get_addr(&addr, *argv, req.ifa.ifa_family);
1293 if (req.ifa.ifa_family == AF_UNSPEC)
1294 req.ifa.ifa_family = addr.family;
1295 addattr_l(&req.n, sizeof(req), IFA_ANYCAST, &addr.data, addr.bytelen);
1296 any_len = addr.bytelen;
1297 } else if (strcmp(*argv, "scope") == 0) {
shemmingerf332d162005-07-05 22:37:15 +00001298 unsigned scope = 0;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001299 NEXT_ARG();
1300 if (rtnl_rtscope_a2n(&scope, *argv))
Dan Kenigsbergf1675d62012-08-16 02:25:56 +00001301 invarg("invalid scope value.", *argv);
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001302 req.ifa.ifa_scope = scope;
1303 scoped = 1;
1304 } else if (strcmp(*argv, "dev") == 0) {
1305 NEXT_ARG();
1306 d = *argv;
1307 } else if (strcmp(*argv, "label") == 0) {
1308 NEXT_ARG();
1309 l = *argv;
1310 addattr_l(&req.n, sizeof(req), IFA_LABEL, l, strlen(l)+1);
Masahide NAKAMURA35546df2006-11-24 12:26:55 +09001311 } else if (matches(*argv, "valid_lft") == 0) {
1312 if (valid_lftp)
1313 duparg("valid_lft", *argv);
1314 NEXT_ARG();
1315 valid_lftp = *argv;
1316 if (set_lifetime(&valid_lft, *argv))
1317 invarg("valid_lft value", *argv);
1318 } else if (matches(*argv, "preferred_lft") == 0) {
1319 if (preferred_lftp)
1320 duparg("preferred_lft", *argv);
1321 NEXT_ARG();
1322 preferred_lftp = *argv;
1323 if (set_lifetime(&preferred_lft, *argv))
1324 invarg("preferred_lft value", *argv);
Noriaki TAKAMIYAbac735c2007-03-08 03:15:43 +09001325 } else if (strcmp(*argv, "home") == 0) {
1326 req.ifa.ifa_flags |= IFA_F_HOMEADDRESS;
1327 } else if (strcmp(*argv, "nodad") == 0) {
1328 req.ifa.ifa_flags |= IFA_F_NODAD;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001329 } else {
1330 if (strcmp(*argv, "local") == 0) {
1331 NEXT_ARG();
1332 }
1333 if (matches(*argv, "help") == 0)
1334 usage();
1335 if (local_len)
1336 duparg2("local", *argv);
net[shemminger]!shemmingerf082b642005-03-30 18:16:10 +00001337 lcl_arg = *argv;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001338 get_prefix(&lcl, *argv, req.ifa.ifa_family);
1339 if (req.ifa.ifa_family == AF_UNSPEC)
1340 req.ifa.ifa_family = lcl.family;
1341 addattr_l(&req.n, sizeof(req), IFA_LOCAL, &lcl.data, lcl.bytelen);
1342 local_len = lcl.bytelen;
1343 }
1344 argc--; argv++;
1345 }
1346 if (d == NULL) {
1347 fprintf(stderr, "Not enough information: \"dev\" argument is required.\n");
1348 return -1;
1349 }
1350 if (l && matches(d, l) != 0) {
1351 fprintf(stderr, "\"dev\" (%s) must match \"label\" (%s).\n", d, l);
Michele Petrazzo - Unipex1db61e02010-03-06 08:56:53 +00001352 return -1;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001353 }
1354
net[shemminger]!shemmingerf082b642005-03-30 18:16:10 +00001355 if (peer_len == 0 && local_len) {
1356 if (cmd == RTM_DELADDR && lcl.family == AF_INET && !(lcl.flags & PREFIXLEN_SPECIFIED)) {
1357 fprintf(stderr,
1358 "Warning: Executing wildcard deletion to stay compatible with old scripts.\n" \
1359 " Explicitly specify the prefix length (%s/%d) to avoid this warning.\n" \
1360 " This special behaviour is likely to disappear in further releases,\n" \
1361 " fix your scripts!\n", lcl_arg, local_len*8);
1362 } else {
1363 peer = lcl;
1364 addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &lcl.data, lcl.bytelen);
1365 }
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001366 }
1367 if (req.ifa.ifa_prefixlen == 0)
1368 req.ifa.ifa_prefixlen = lcl.bitlen;
1369
1370 if (brd_len < 0 && cmd != RTM_DELADDR) {
1371 inet_prefix brd;
1372 int i;
1373 if (req.ifa.ifa_family != AF_INET) {
1374 fprintf(stderr, "Broadcast can be set only for IPv4 addresses\n");
1375 return -1;
1376 }
1377 brd = peer;
1378 if (brd.bitlen <= 30) {
1379 for (i=31; i>=brd.bitlen; i--) {
1380 if (brd_len == -1)
1381 brd.data[0] |= htonl(1<<(31-i));
1382 else
1383 brd.data[0] &= ~htonl(1<<(31-i));
1384 }
1385 addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &brd.data, brd.bytelen);
1386 brd_len = brd.bytelen;
1387 }
1388 }
1389 if (!scoped && cmd != RTM_DELADDR)
1390 req.ifa.ifa_scope = default_scope(&lcl);
1391
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001392 if ((req.ifa.ifa_index = ll_name_to_index(d)) == 0) {
1393 fprintf(stderr, "Cannot find device \"%s\"\n", d);
1394 return -1;
1395 }
1396
Masahide NAKAMURA35546df2006-11-24 12:26:55 +09001397 if (valid_lftp || preferred_lftp) {
1398 if (!valid_lft) {
1399 fprintf(stderr, "valid_lft is zero\n");
1400 return -1;
1401 }
1402 if (valid_lft < preferred_lft) {
1403 fprintf(stderr, "preferred_lft is greater than valid_lft\n");
1404 return -1;
1405 }
1406
1407 memset(&cinfo, 0, sizeof(cinfo));
1408 cinfo.ifa_prefered = preferred_lft;
1409 cinfo.ifa_valid = valid_lft;
1410 addattr_l(&req.n, sizeof(req), IFA_CACHEINFO, &cinfo,
1411 sizeof(cinfo));
1412 }
1413
Stephen Hemmingercd70f3f2011-12-28 10:37:12 -08001414 if (rtnl_talk(&rth, &req.n, 0, 0, NULL) < 0)
Michele Petrazzo - Unipex1db61e02010-03-06 08:56:53 +00001415 return -2;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001416
shemminger351efcd2005-09-01 19:21:50 +00001417 return 0;
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001418}
1419
1420int do_ipaddr(int argc, char **argv)
1421{
1422 if (argc < 1)
Pavel Emelyanov81824ac2012-09-11 19:47:00 +04001423 return ipaddr_list_flush_or_save(0, NULL, IPADD_LIST);
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001424 if (matches(*argv, "add") == 0)
Noriaki TAKAMIYA0aef3662006-11-24 12:26:58 +09001425 return ipaddr_modify(RTM_NEWADDR, NLM_F_CREATE|NLM_F_EXCL, argc-1, argv+1);
1426 if (matches(*argv, "change") == 0 ||
1427 strcmp(*argv, "chg") == 0)
1428 return ipaddr_modify(RTM_NEWADDR, NLM_F_REPLACE, argc-1, argv+1);
1429 if (matches(*argv, "replace") == 0)
1430 return ipaddr_modify(RTM_NEWADDR, NLM_F_CREATE|NLM_F_REPLACE, argc-1, argv+1);
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001431 if (matches(*argv, "delete") == 0)
Noriaki TAKAMIYA0aef3662006-11-24 12:26:58 +09001432 return ipaddr_modify(RTM_DELADDR, 0, argc-1, argv+1);
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001433 if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0
1434 || matches(*argv, "lst") == 0)
Pavel Emelyanov81824ac2012-09-11 19:47:00 +04001435 return ipaddr_list_flush_or_save(argc-1, argv+1, IPADD_LIST);
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001436 if (matches(*argv, "flush") == 0)
Pavel Emelyanov81824ac2012-09-11 19:47:00 +04001437 return ipaddr_list_flush_or_save(argc-1, argv+1, IPADD_FLUSH);
1438 if (matches(*argv, "save") == 0)
1439 return ipaddr_list_flush_or_save(argc-1, argv+1, IPADD_SAVE);
1440 if (matches(*argv, "showdump") == 0)
1441 return ipaddr_showdump();
1442 if (matches(*argv, "restore") == 0)
1443 return ipaddr_restore();
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001444 if (matches(*argv, "help") == 0)
1445 usage();
Alexander Wirtb096fa52007-10-12 10:56:36 +02001446 fprintf(stderr, "Command \"%s\" is unknown, try \"ip addr help\".\n", *argv);
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +00001447 exit(-1);
1448}