]> git.proxmox.com Git - mirror_iproute2.git/blame - ip/ipaddress.c
projects / mirror_iproute2.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
ip/iptunnel: Extend TOS syntax
[mirror_iproute2.git] / ip / ipaddress.c
CommitLineData
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");
aba5acdf 74 fprintf(stderr, " [ to PREFIX ] [ FLAG-LIST ] [ label PATTERN ]\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
NT		 84 fprintf(stderr, "CONFFLAG-LIST := [ CONFFLAG-LIST ] CONFFLAG\n");
85 fprintf(stderr, "CONFFLAG := [ home | nodad ]\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
92void print_link_flags(FILE *fp, unsigned flags, unsigned mdown)
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) { \
99 flags &= ~IFF_##f ; \
100 fprintf(fp, #f "%s", flags ? "," : ""); }
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
SH		 119#undef _PF
120 if (flags)
121 fprintf(fp, "%x", flags);
122 if (mdown)
123 fprintf(fp, ",M-DOWN");
124 fprintf(fp, "> ");
125}
126
3d866ba2
SH		 127static 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
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
ED		 165 if (ioctl(s, SIOCGIFTXQLEN, &ifr) < 0) {
166 fprintf(f, "ioctl(SIOCGIFXQLEN) failed: %s\n", strerror(errno));
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;
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
3fd86630
CW		 226static 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;
7b8179c7 231 struct ifla_vf_spoofchk *vf_spoofchk;
3fd86630 232 struct rtattr *vf[IFLA_VF_MAX+1];
7b8179c7 233 struct rtattr *tmp;
3fd86630
CW		 234 SPRINT_BUF(b1);
235
236 if (vfinfo->rta_type != IFLA_VF_INFO) {
237 fprintf(stderr, "BUG: rta type is %d\n", vfinfo->rta_type);
238 return;
239 }
240
241 parse_rtattr_nested(vf, IFLA_VF_MAX, vfinfo);
242
243 vf_mac = RTA_DATA(vf[IFLA_VF_MAC]);
244 vf_vlan = RTA_DATA(vf[IFLA_VF_VLAN]);
245 vf_tx_rate = RTA_DATA(vf[IFLA_VF_TX_RATE]);
246
7b8179c7
GR		 247 /* Check if the spoof checking vf info type is supported by
248 * this kernel.
249 */
250 tmp = (struct rtattr *)((char *)vf[IFLA_VF_TX_RATE] +
251 vf[IFLA_VF_TX_RATE]->rta_len);
252
253 if (tmp->rta_type != IFLA_VF_SPOOFCHK)
254 vf_spoofchk = NULL;
255 else
256 vf_spoofchk = RTA_DATA(vf[IFLA_VF_SPOOFCHK]);
257
3fd86630
CW		 258 fprintf(fp, "\n vf %d MAC %s", vf_mac->vf,
259 ll_addr_n2a((unsigned char *)&vf_mac->mac,
260 ETH_ALEN, 0, b1, sizeof(b1)));
261 if (vf_vlan->vlan)
262 fprintf(fp, ", vlan %d", vf_vlan->vlan);
263 if (vf_vlan->qos)
264 fprintf(fp, ", qos %d", vf_vlan->qos);
265 if (vf_tx_rate->rate)
266 fprintf(fp, ", tx rate %d (Mbps)", vf_tx_rate->rate);
7b8179c7
GR		 267 if (vf_spoofchk && vf_spoofchk->setting != -1) {
268 if (vf_spoofchk->setting)
269 fprintf(fp, ", spoof checking on");
270 else
271 fprintf(fp, ", spoof checking off");
272 }
3fd86630
CW		 273}
274
e6e6fb5c
SH		 275static void print_link_stats64(FILE *fp, const struct rtnl_link_stats64 *s) {
276 fprintf(fp, "%s", _SL_);
277 fprintf(fp, " RX: bytes packets errors dropped overrun mcast %s%s",
278 s->rx_compressed ? "compressed" : "", _SL_);
279 fprintf(fp, " %-10"PRIu64" %-8"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
280 (uint64_t)s->rx_bytes,
281 (uint64_t)s->rx_packets,
282 (uint64_t)s->rx_errors,
283 (uint64_t)s->rx_dropped,
284 (uint64_t)s->rx_over_errors,
285 (uint64_t)s->multicast);
286 if (s->rx_compressed)
287 fprintf(fp, " %-7"PRIu64"",
288 (uint64_t)s->rx_compressed);
289 if (show_stats > 1) {
290 fprintf(fp, "%s", _SL_);
291 fprintf(fp, " RX errors: length crc frame fifo missed%s", _SL_);
292 fprintf(fp, " %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
293 (uint64_t)s->rx_length_errors,
294 (uint64_t)s->rx_crc_errors,
295 (uint64_t)s->rx_frame_errors,
296 (uint64_t)s->rx_fifo_errors,
297 (uint64_t)s->rx_missed_errors);
298 }
299 fprintf(fp, "%s", _SL_);
300 fprintf(fp, " TX: bytes packets errors dropped carrier collsns %s%s",
301 (uint64_t)s->tx_compressed ? "compressed" : "", _SL_);
302 fprintf(fp, " %-10"PRIu64" %-8"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
303 (uint64_t)s->tx_bytes,
304 (uint64_t)s->tx_packets,
305 (uint64_t)s->tx_errors,
306 (uint64_t)s->tx_dropped,
307 (uint64_t)s->tx_carrier_errors,
308 (uint64_t)s->collisions);
309 if (s->tx_compressed)
310 fprintf(fp, " %-7"PRIu64"",
311 (uint64_t)s->tx_compressed);
312 if (show_stats > 1) {
313 fprintf(fp, "%s", _SL_);
314 fprintf(fp, " TX errors: aborted fifo window heartbeat%s", _SL_);
315 fprintf(fp, " %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
316 (uint64_t)s->tx_aborted_errors,
317 (uint64_t)s->tx_fifo_errors,
318 (uint64_t)s->tx_window_errors,
319 (uint64_t)s->tx_heartbeat_errors);
320 }
321}
322
323static void print_link_stats(FILE *fp, const struct rtnl_link_stats *s)
324{
325 fprintf(fp, "%s", _SL_);
326 fprintf(fp, " RX: bytes packets errors dropped overrun mcast %s%s",
327 s->rx_compressed ? "compressed" : "", _SL_);
328 fprintf(fp, " %-10u %-8u %-7u %-7u %-7u %-7u",
329 s->rx_bytes, s->rx_packets, s->rx_errors,
330 s->rx_dropped, s->rx_over_errors,
331 s->multicast
332 );
333 if (s->rx_compressed)
334 fprintf(fp, " %-7u", s->rx_compressed);
335 if (show_stats > 1) {
336 fprintf(fp, "%s", _SL_);
337 fprintf(fp, " RX errors: length crc frame fifo missed%s", _SL_);
338 fprintf(fp, " %-7u %-7u %-7u %-7u %-7u",
339 s->rx_length_errors,
340 s->rx_crc_errors,
341 s->rx_frame_errors,
342 s->rx_fifo_errors,
343 s->rx_missed_errors
344 );
345 }
346 fprintf(fp, "%s", _SL_);
347 fprintf(fp, " TX: bytes packets errors dropped carrier collsns %s%s",
348 s->tx_compressed ? "compressed" : "", _SL_);
349 fprintf(fp, " %-10u %-8u %-7u %-7u %-7u %-7u",
350 s->tx_bytes, s->tx_packets, s->tx_errors,
351 s->tx_dropped, s->tx_carrier_errors, s->collisions);
352 if (s->tx_compressed)
353 fprintf(fp, " %-7u", s->tx_compressed);
354 if (show_stats > 1) {
355 fprintf(fp, "%s", _SL_);
356 fprintf(fp, " TX errors: aborted fifo window heartbeat%s", _SL_);
357 fprintf(fp, " %-7u %-7u %-7u %-7u",
358 s->tx_aborted_errors,
359 s->tx_fifo_errors,
360 s->tx_window_errors,
361 s->tx_heartbeat_errors
362 );
363 }
364}
365
ae665a52 366int print_linkinfo(const struct sockaddr_nl *who,
50772dc5 367 struct nlmsghdr *n, void *arg)
aba5acdf
SH		 368{
369 FILE *fp = (FILE*)arg;
370 struct ifinfomsg *ifi = NLMSG_DATA(n);
371 struct rtattr * tb[IFLA_MAX+1];
372 int len = n->nlmsg_len;
373 unsigned m_flag = 0;
374
375 if (n->nlmsg_type != RTM_NEWLINK && n->nlmsg_type != RTM_DELLINK)
376 return 0;
377
378 len -= NLMSG_LENGTH(sizeof(*ifi));
379 if (len < 0)
380 return -1;
381
382 if (filter.ifindex && ifi->ifi_index != filter.ifindex)
383 return 0;
384 if (filter.up && !(ifi->ifi_flags&IFF_UP))
385 return 0;
386
aba5acdf
SH		 387 parse_rtattr(tb, IFLA_MAX, IFLA_RTA(ifi), len);
388 if (tb[IFLA_IFNAME] == NULL) {
4cd23bdd 389 fprintf(stderr, "BUG: device with ifindex %d has nil ifname\n", ifi->ifi_index);
aba5acdf
SH		 390 }
391 if (filter.label &&
392 (!filter.family || filter.family == AF_PACKET) &&
393 fnmatch(filter.label, RTA_DATA(tb[IFLA_IFNAME]), 0))
394 return 0;
395
f960c92a
VD		 396 if (tb[IFLA_GROUP]) {
397 int group = *(int*)RTA_DATA(tb[IFLA_GROUP]);
398 if (group != filter.group)
399 return -1;
400 }
401
aba5acdf
SH		 402 if (n->nlmsg_type == RTM_DELLINK)
403 fprintf(fp, "Deleted ");
404
405 fprintf(fp, "%d: %s", ifi->ifi_index,
ff24746c 406 tb[IFLA_IFNAME] ? rta_getattr_str(tb[IFLA_IFNAME]) : "<nil>");
aba5acdf
SH		 407
408 if (tb[IFLA_LINK]) {
409 SPRINT_BUF(b1);
410 int iflink = *(int*)RTA_DATA(tb[IFLA_LINK]);
411 if (iflink == 0)
412 fprintf(fp, "@NONE: ");
413 else {
414 fprintf(fp, "@%s: ", ll_idx_n2a(iflink, b1));
415 m_flag = ll_index_to_flags(iflink);
416 m_flag = !(m_flag & IFF_UP);
417 }
418 } else {
419 fprintf(fp, ": ");
420 }
421 print_link_flags(fp, ifi->ifi_flags, m_flag);
422
423 if (tb[IFLA_MTU])
424 fprintf(fp, "mtu %u ", *(int*)RTA_DATA(tb[IFLA_MTU]));
425 if (tb[IFLA_QDISC])
ff24746c 426 fprintf(fp, "qdisc %s ", rta_getattr_str(tb[IFLA_QDISC]));
aba5acdf
SH		 427 if (tb[IFLA_MASTER]) {
428 SPRINT_BUF(b1);
429 fprintf(fp, "master %s ", ll_idx_n2a(*(int*)RTA_DATA(tb[IFLA_MASTER]), b1));
430 }
82499282 431
3d866ba2 432 if (tb[IFLA_OPERSTATE])
ff24746c 433 print_operstate(fp, rta_getattr_u8(tb[IFLA_OPERSTATE]));
82499282
SH		 434
435 if (do_link && tb[IFLA_LINKMODE])
436 print_linkmode(fp, tb[IFLA_LINKMODE]);
437
aba5acdf 438 if (filter.showqueue)
f78e316f 439 print_queuelen(fp, tb);
ae665a52 440
aba5acdf
SH		 441 if (!filter.family || filter.family == AF_PACKET) {
442 SPRINT_BUF(b1);
443 fprintf(fp, "%s", _SL_);
444 fprintf(fp, " link/%s ", ll_type_n2a(ifi->ifi_type, b1, sizeof(b1)));
445
446 if (tb[IFLA_ADDRESS]) {
447 fprintf(fp, "%s", ll_addr_n2a(RTA_DATA(tb[IFLA_ADDRESS]),
448 RTA_PAYLOAD(tb[IFLA_ADDRESS]),
449 ifi->ifi_type,
450 b1, sizeof(b1)));
451 }
452 if (tb[IFLA_BROADCAST]) {
453 if (ifi->ifi_flags&IFF_POINTOPOINT)
454 fprintf(fp, " peer ");
455 else
456 fprintf(fp, " brd ");
457 fprintf(fp, "%s", ll_addr_n2a(RTA_DATA(tb[IFLA_BROADCAST]),
458 RTA_PAYLOAD(tb[IFLA_BROADCAST]),
459 ifi->ifi_type,
460 b1, sizeof(b1)));
461 }
462 }
1d934839
PM		 463
464 if (do_link && tb[IFLA_LINKINFO] && show_details)
465 print_linktype(fp, tb[IFLA_LINKINFO]);
466
ace9c961
SH		 467 if (do_link && tb[IFLA_IFALIAS])
468 fprintf(fp,"\n alias %s",
ff24746c 469 rta_getattr_str(tb[IFLA_IFALIAS]));
ace9c961 470
e6e6fb5c
SH		 471 if (do_link && show_stats) {
472 if (tb[IFLA_STATS64])
473 print_link_stats64(fp, RTA_DATA(tb[IFLA_STATS64]));
474 else if (tb[IFLA_STATS])
475 print_link_stats(fp, RTA_DATA(tb[IFLA_STATS]));
ae7229d5 476 }
e6e6fb5c 477
3fd86630
CW		 478 if (do_link && tb[IFLA_VFINFO_LIST] && tb[IFLA_NUM_VF]) {
479 struct rtattr *i, *vflist = tb[IFLA_VFINFO_LIST];
480 int rem = RTA_PAYLOAD(vflist);
481 for (i = RTA_DATA(vflist); RTA_OK(i, rem); i = RTA_NEXT(i, rem))
482 print_vfinfo(fp, i);
aba5acdf 483 }
3fd86630 484
aba5acdf
SH		 485 fprintf(fp, "\n");
486 fflush(fp);
487 return 0;
488}
489
490static int flush_update(void)
491{
f31a37f7 492 if (rtnl_send_check(&rth, filter.flushb, filter.flushp) < 0) {
1fb0a998 493 perror("Failed to send flush request");
aba5acdf
SH		 494 return -1;
495 }
496 filter.flushp = 0;
497 return 0;
498}
499
35546df7
MN		 500static int set_lifetime(unsigned int *lifetime, char *argv)
501{
502 if (strcmp(argv, "forever") == 0)
141bb606 503 *lifetime = INFINITY_LIFE_TIME;
35546df7
MN		 504 else if (get_u32(lifetime, argv, 0))
505 return -1;
506
507 return 0;
508}
509
ae665a52 510int print_addrinfo(const struct sockaddr_nl *who, struct nlmsghdr *n,
6dc9f016 511 void *arg)
aba5acdf
SH		 512{
513 FILE *fp = (FILE*)arg;
514 struct ifaddrmsg *ifa = NLMSG_DATA(n);
515 int len = n->nlmsg_len;
037d950b 516 int deprecated = 0;
3bc1c4f2
BG		 517 /* Use local copy of ifa_flags to not interfere with filtering code */
518 unsigned int ifa_flags;
aba5acdf
SH		 519 struct rtattr * rta_tb[IFA_MAX+1];
520 char abuf[256];
521 SPRINT_BUF(b1);
522
523 if (n->nlmsg_type != RTM_NEWADDR && n->nlmsg_type != RTM_DELADDR)
524 return 0;
525 len -= NLMSG_LENGTH(sizeof(*ifa));
526 if (len < 0) {
527 fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
528 return -1;
529 }
530
531 if (filter.flushb && n->nlmsg_type != RTM_NEWADDR)
532 return 0;
533
aba5acdf
SH		 534 parse_rtattr(rta_tb, IFA_MAX, IFA_RTA(ifa), n->nlmsg_len - NLMSG_LENGTH(sizeof(*ifa)));
535
536 if (!rta_tb[IFA_LOCAL])
537 rta_tb[IFA_LOCAL] = rta_tb[IFA_ADDRESS];
538 if (!rta_tb[IFA_ADDRESS])
539 rta_tb[IFA_ADDRESS] = rta_tb[IFA_LOCAL];
540
541 if (filter.ifindex && filter.ifindex != ifa->ifa_index)
542 return 0;
543 if ((filter.scope^ifa->ifa_scope)&filter.scopemask)
544 return 0;
545 if ((filter.flags^ifa->ifa_flags)&filter.flagmask)
546 return 0;
547 if (filter.label) {
548 SPRINT_BUF(b1);
549 const char *label;
550 if (rta_tb[IFA_LABEL])
551 label = RTA_DATA(rta_tb[IFA_LABEL]);
552 else
553 label = ll_idx_n2a(ifa->ifa_index, b1);
554 if (fnmatch(filter.label, label, 0) != 0)
555 return 0;
556 }
557 if (filter.pfx.family) {
558 if (rta_tb[IFA_LOCAL]) {
559 inet_prefix dst;
560 memset(&dst, 0, sizeof(dst));
561 dst.family = ifa->ifa_family;
562 memcpy(&dst.data, RTA_DATA(rta_tb[IFA_LOCAL]), RTA_PAYLOAD(rta_tb[IFA_LOCAL]));
563 if (inet_addr_match(&dst, &filter.pfx, filter.pfx.bitlen))
564 return 0;
565 }
566 }
567
3eb1731b 568 if (filter.family && filter.family != ifa->ifa_family)
569 return 0;
570
aba5acdf
SH		 571 if (filter.flushb) {
572 struct nlmsghdr *fn;
573 if (NLMSG_ALIGN(filter.flushp) + n->nlmsg_len > filter.flushe) {
574 if (flush_update())
575 return -1;
576 }
577 fn = (struct nlmsghdr*)(filter.flushb + NLMSG_ALIGN(filter.flushp));
578 memcpy(fn, n, n->nlmsg_len);
579 fn->nlmsg_type = RTM_DELADDR;
580 fn->nlmsg_flags = NLM_F_REQUEST;
351efcde 581 fn->nlmsg_seq = ++rth.seq;
aba5acdf
SH		 582 filter.flushp = (((char*)fn) + n->nlmsg_len) - filter.flushb;
583 filter.flushed++;
584 if (show_stats < 2)
585 return 0;
586 }
587
588 if (n->nlmsg_type == RTM_DELADDR)
589 fprintf(fp, "Deleted ");
590
591 if (filter.oneline || filter.flushb)
592 fprintf(fp, "%u: %s", ifa->ifa_index, ll_index_to_name(ifa->ifa_index));
593 if (ifa->ifa_family == AF_INET)
594 fprintf(fp, " inet ");
595 else if (ifa->ifa_family == AF_INET6)
596 fprintf(fp, " inet6 ");
597 else if (ifa->ifa_family == AF_DECnet)
598 fprintf(fp, " dnet ");
599 else if (ifa->ifa_family == AF_IPX)
600 fprintf(fp, " ipx ");
601 else
602 fprintf(fp, " family %d ", ifa->ifa_family);
603
604 if (rta_tb[IFA_LOCAL]) {
605 fprintf(fp, "%s", rt_addr_n2a(ifa->ifa_family,
606 RTA_PAYLOAD(rta_tb[IFA_LOCAL]),
607 RTA_DATA(rta_tb[IFA_LOCAL]),
608 abuf, sizeof(abuf)));
609
610 if (rta_tb[IFA_ADDRESS] == NULL ||
611 memcmp(RTA_DATA(rta_tb[IFA_ADDRESS]), RTA_DATA(rta_tb[IFA_LOCAL]), 4) == 0) {
612 fprintf(fp, "/%d ", ifa->ifa_prefixlen);
613 } else {
614 fprintf(fp, " peer %s/%d ",
615 rt_addr_n2a(ifa->ifa_family,
616 RTA_PAYLOAD(rta_tb[IFA_ADDRESS]),
617 RTA_DATA(rta_tb[IFA_ADDRESS]),
618 abuf, sizeof(abuf)),
619 ifa->ifa_prefixlen);
620 }
621 }
622
623 if (rta_tb[IFA_BROADCAST]) {
624 fprintf(fp, "brd %s ",
625 rt_addr_n2a(ifa->ifa_family,
626 RTA_PAYLOAD(rta_tb[IFA_BROADCAST]),
627 RTA_DATA(rta_tb[IFA_BROADCAST]),
628 abuf, sizeof(abuf)));
629 }
630 if (rta_tb[IFA_ANYCAST]) {
631 fprintf(fp, "any %s ",
632 rt_addr_n2a(ifa->ifa_family,
633 RTA_PAYLOAD(rta_tb[IFA_ANYCAST]),
634 RTA_DATA(rta_tb[IFA_ANYCAST]),
635 abuf, sizeof(abuf)));
636 }
637 fprintf(fp, "scope %s ", rtnl_rtscope_n2a(ifa->ifa_scope, b1, sizeof(b1)));
3bc1c4f2 638 ifa_flags = ifa->ifa_flags;
aba5acdf 639 if (ifa->ifa_flags&IFA_F_SECONDARY) {
3bc1c4f2 640 ifa_flags &= ~IFA_F_SECONDARY;
a1b9ffcc
BH		 641 if (ifa->ifa_family == AF_INET6)
642 fprintf(fp, "temporary ");
643 else
644 fprintf(fp, "secondary ");
aba5acdf
SH		 645 }
646 if (ifa->ifa_flags&IFA_F_TENTATIVE) {
3bc1c4f2 647 ifa_flags &= ~IFA_F_TENTATIVE;
aba5acdf
SH		 648 fprintf(fp, "tentative ");
649 }
650 if (ifa->ifa_flags&IFA_F_DEPRECATED) {
3bc1c4f2 651 ifa_flags &= ~IFA_F_DEPRECATED;
037d950b 652 deprecated = 1;
aba5acdf
SH		 653 fprintf(fp, "deprecated ");
654 }
bac735c5 655 if (ifa->ifa_flags&IFA_F_HOMEADDRESS) {
3bc1c4f2 656 ifa_flags &= ~IFA_F_HOMEADDRESS;
bac735c5
NT		 657 fprintf(fp, "home ");
658 }
659 if (ifa->ifa_flags&IFA_F_NODAD) {
3bc1c4f2 660 ifa_flags &= ~IFA_F_NODAD;
bac735c5
NT		 661 fprintf(fp, "nodad ");
662 }
aba5acdf
SH		 663 if (!(ifa->ifa_flags&IFA_F_PERMANENT)) {
664 fprintf(fp, "dynamic ");
665 } else
3bc1c4f2 666 ifa_flags &= ~IFA_F_PERMANENT;
f4af851b 667 if (ifa->ifa_flags&IFA_F_DADFAILED) {
3bc1c4f2 668 ifa_flags &= ~IFA_F_DADFAILED;
f4af851b
BH		 669 fprintf(fp, "dadfailed ");
670 }
3bc1c4f2
BG		 671 if (ifa_flags)
672 fprintf(fp, "flags %02x ", ifa_flags);
aba5acdf 673 if (rta_tb[IFA_LABEL])
ff24746c 674 fprintf(fp, "%s", rta_getattr_str(rta_tb[IFA_LABEL]));
aba5acdf
SH		 675 if (rta_tb[IFA_CACHEINFO]) {
676 struct ifa_cacheinfo *ci = RTA_DATA(rta_tb[IFA_CACHEINFO]);
aba5acdf 677 fprintf(fp, "%s", _SL_);
f66efadd 678 fprintf(fp, " valid_lft ");
141bb606 679 if (ci->ifa_valid == INFINITY_LIFE_TIME)
f66efadd 680 fprintf(fp, "forever");
aba5acdf 681 else
f66efadd
AS		 682 fprintf(fp, "%usec", ci->ifa_valid);
683 fprintf(fp, " preferred_lft ");
141bb606 684 if (ci->ifa_prefered == INFINITY_LIFE_TIME)
f66efadd 685 fprintf(fp, "forever");
037d950b
BG		 686 else {
687 if (deprecated)
f66efadd 688 fprintf(fp, "%dsec", ci->ifa_prefered);
037d950b 689 else
f66efadd 690 fprintf(fp, "%usec", ci->ifa_prefered);
037d950b 691 }
aba5acdf
SH		 692 }
693 fprintf(fp, "\n");
694 fflush(fp);
695 return 0;
696}
697
b49240ec
SH		 698int print_addrinfo_primary(const struct sockaddr_nl *who, struct nlmsghdr *n,
699 void *arg)
700{
701 struct ifaddrmsg *ifa = NLMSG_DATA(n);
702
3bc1c4f2 703 if (ifa->ifa_flags & IFA_F_SECONDARY)
b49240ec
SH		 704 return 0;
705
706 return print_addrinfo(who, n, arg);
707}
708
709int print_addrinfo_secondary(const struct sockaddr_nl *who, struct nlmsghdr *n,
710 void *arg)
711{
712 struct ifaddrmsg *ifa = NLMSG_DATA(n);
713
3bc1c4f2 714 if (!(ifa->ifa_flags & IFA_F_SECONDARY))
b49240ec
SH		 715 return 0;
716
717 return print_addrinfo(who, n, arg);
718}
aba5acdf
SH		 719
720struct nlmsg_list
721{
722 struct nlmsg_list *next;
723 struct nlmsghdr h;
724};
725
62e2e540
ED		 726struct nlmsg_chain
727{
728 struct nlmsg_list *head;
729 struct nlmsg_list *tail;
730};
731
3d866ba2 732static int print_selected_addrinfo(int ifindex, struct nlmsg_list *ainfo, FILE *fp)
aba5acdf
SH		 733{
734 for ( ;ainfo ; ainfo = ainfo->next) {
735 struct nlmsghdr *n = &ainfo->h;
736 struct ifaddrmsg *ifa = NLMSG_DATA(n);
737
738 if (n->nlmsg_type != RTM_NEWADDR)
739 continue;
740
741 if (n->nlmsg_len < NLMSG_LENGTH(sizeof(ifa)))
742 return -1;
743
ae665a52 744 if (ifa->ifa_index != ifindex ||
aba5acdf
SH		 745 (filter.family && filter.family != ifa->ifa_family))
746 continue;
747
748 print_addrinfo(NULL, n, fp);
749 }
750 return 0;
751}
752
753
ae665a52 754static int store_nlmsg(const struct sockaddr_nl *who, struct nlmsghdr *n,
6dc9f016 755 void *arg)
aba5acdf 756{
62e2e540 757 struct nlmsg_chain *lchain = (struct nlmsg_chain *)arg;
aba5acdf 758 struct nlmsg_list *h;
aba5acdf
SH		 759
760 h = malloc(n->nlmsg_len+sizeof(void*));
761 if (h == NULL)
762 return -1;
763
764 memcpy(&h->h, n, n->nlmsg_len);
765 h->next = NULL;
766
62e2e540
ED		 767 if (lchain->tail)
768 lchain->tail->next = h;
769 else
770 lchain->head = h;
771 lchain->tail = h;
aba5acdf
SH		 772
773 ll_remember_index(who, n, NULL);
774 return 0;
775}
776
81824ac2
PE		 777static __u32 ipadd_dump_magic = 0x47361222;
778
779static int ipadd_save_prep(void)
780{
781 int ret;
782
783 if (isatty(STDOUT_FILENO)) {
784 fprintf(stderr, "Not sending binary stream to stdout\n");
785 return -1;
786 }
787
788 ret = write(STDOUT_FILENO, &ipadd_dump_magic, sizeof(ipadd_dump_magic));
789 if (ret != sizeof(ipadd_dump_magic)) {
790 fprintf(stderr, "Can't write magic to dump file\n");
791 return -1;
792 }
793
794 return 0;
795}
796
797static int ipadd_dump_check_magic(void)
798{
799 int ret;
800 __u32 magic = 0;
801
802 if (isatty(STDIN_FILENO)) {
803 fprintf(stderr, "Can't restore addr dump from a terminal\n");
804 return -1;
805 }
806
807 ret = fread(&magic, sizeof(magic), 1, stdin);
808 if (magic != ipadd_dump_magic) {
809 fprintf(stderr, "Magic mismatch (%d elems, %x magic)\n", ret, magic);
810 return -1;
811 }
812
813 return 0;
814}
815
816static int save_nlmsg(const struct sockaddr_nl *who, struct nlmsghdr *n,
817 void *arg)
818{
819 int ret;
820
821 ret = write(STDOUT_FILENO, n, n->nlmsg_len);
822 if ((ret > 0) && (ret != n->nlmsg_len)) {
823 fprintf(stderr, "Short write while saving nlmsg\n");
824 ret = -EIO;
825 }
826
827 return ret == n->nlmsg_len ? 0 : ret;
828}
829
830static int show_handler(const struct sockaddr_nl *nl, struct nlmsghdr *n, void *arg)
831{
832 struct ifaddrmsg *ifa = NLMSG_DATA(n);
833
834 printf("if%d:\n", ifa->ifa_index);
835 print_addrinfo(NULL, n, stdout);
836 return 0;
837}
838
839static int ipaddr_showdump(void)
840{
841 if (ipadd_dump_check_magic())
842 exit(-1);
843
844 exit(rtnl_from_file(stdin, &show_handler, NULL));
845}
846
847static int restore_handler(const struct sockaddr_nl *nl, struct nlmsghdr *n, void *arg)
848{
849 int ret;
850
851 n->nlmsg_flags |= NLM_F_REQUEST | NLM_F_CREATE | NLM_F_ACK;
852
853 ll_init_map(&rth);
854
855 ret = rtnl_talk(&rth, n, 0, 0, n);
856 if ((ret < 0) && (errno == EEXIST))
857 ret = 0;
858
859 return ret;
860}
861
862static int ipaddr_restore(void)
863{
864 if (ipadd_dump_check_magic())
865 exit(-1);
866
867 exit(rtnl_from_file(stdin, &restore_handler, NULL));
868}
869
8d07e5f7
SH		 870static void free_nlmsg_chain(struct nlmsg_chain *info)
871{
872 struct nlmsg_list *l, *n;
873
874 for (l = info->head; l; l = n) {
875 n = l->next;
876 free(l);
877 }
878}
879
880static void ipaddr_filter(struct nlmsg_chain *linfo, struct nlmsg_chain *ainfo)
881{
882 struct nlmsg_list *l, **lp;
883
884 lp = &linfo->head;
885 while ( (l = *lp) != NULL) {
886 int ok = 0;
7f747fd9 887 int missing_net_address = 1;
8d07e5f7
SH		 888 struct ifinfomsg *ifi = NLMSG_DATA(&l->h);
889 struct nlmsg_list *a;
890
891 for (a = ainfo->head; a; a = a->next) {
892 struct nlmsghdr *n = &a->h;
893 struct ifaddrmsg *ifa = NLMSG_DATA(n);
894
7f747fd9
PP		 895 if (ifa->ifa_index != ifi->ifi_index)
896 continue;
897 missing_net_address = 0;
898 if (filter.family && filter.family != ifa->ifa_family)
8d07e5f7
SH		 899 continue;
900 if ((filter.scope^ifa->ifa_scope)&filter.scopemask)
901 continue;
902 if ((filter.flags^ifa->ifa_flags)&filter.flagmask)
903 continue;
904 if (filter.pfx.family || filter.label) {
905 struct rtattr *tb[IFA_MAX+1];
906 parse_rtattr(tb, IFA_MAX, IFA_RTA(ifa), IFA_PAYLOAD(n));
907 if (!tb[IFA_LOCAL])
908 tb[IFA_LOCAL] = tb[IFA_ADDRESS];
909
910 if (filter.pfx.family && tb[IFA_LOCAL]) {
911 inet_prefix dst;
912 memset(&dst, 0, sizeof(dst));
913 dst.family = ifa->ifa_family;
914 memcpy(&dst.data, RTA_DATA(tb[IFA_LOCAL]), RTA_PAYLOAD(tb[IFA_LOCAL]));
915 if (inet_addr_match(&dst, &filter.pfx, filter.pfx.bitlen))
916 continue;
917 }
918 if (filter.label) {
919 SPRINT_BUF(b1);
920 const char *label;
921 if (tb[IFA_LABEL])
922 label = RTA_DATA(tb[IFA_LABEL]);
923 else
924 label = ll_idx_n2a(ifa->ifa_index, b1);
925 if (fnmatch(filter.label, label, 0) != 0)
926 continue;
927 }
928 }
929
930 ok = 1;
931 break;
932 }
7f747fd9
PP		 933 if (missing_net_address &&
934 (filter.family == AF_UNSPEC || filter.family == AF_PACKET))
935 ok = 1;
8d07e5f7
SH		 936 if (!ok) {
937 *lp = l->next;
938 free(l);
939 } else
940 lp = &l->next;
941 }
942}
943
944static int ipaddr_flush(void)
945{
946 int round = 0;
947 char flushb[4096-512];
948
949 filter.flushb = flushb;
950 filter.flushp = 0;
951 filter.flushe = sizeof(flushb);
952
953 while ((max_flush_loops == 0) || (round < max_flush_loops)) {
954 const struct rtnl_dump_filter_arg a[3] = {
955 {
956 .filter = print_addrinfo_secondary,
957 .arg1 = stdout,
958 },
959 {
960 .filter = print_addrinfo_primary,
961 .arg1 = stdout,
962 },
963 {
964 .filter = NULL,
965 .arg1 = NULL,
966 },
967 };
968 if (rtnl_wilddump_request(&rth, filter.family, RTM_GETADDR) < 0) {
969 perror("Cannot send dump request");
970 exit(1);
971 }
972 filter.flushed = 0;
973 if (rtnl_dump_filter_l(&rth, a) < 0) {
974 fprintf(stderr, "Flush terminated\n");
975 exit(1);
976 }
977 if (filter.flushed == 0) {
978 flush_done:
979 if (show_stats) {
980 if (round == 0)
981 printf("Nothing to flush.\n");
982 else
983 printf("*** Flush is complete after %d round%s ***\n", round, round>1?"s":"");
984 }
985 fflush(stdout);
986 return 0;
987 }
988 round++;
989 if (flush_update() < 0)
990 return 1;
991
992 if (show_stats) {
993 printf("\n*** Round %d, deleting %d addresses ***\n", round, filter.flushed);
994 fflush(stdout);
995 }
996
997 /* If we are flushing, and specifying primary, then we
998 * want to flush only a single round. Otherwise, we'll
999 * start flushing secondaries that were promoted to
1000 * primaries.
1001 */
1002 if (!(filter.flags & IFA_F_SECONDARY) && (filter.flagmask & IFA_F_SECONDARY))
1003 goto flush_done;
1004 }
1005 fprintf(stderr, "*** Flush remains incomplete after %d rounds. ***\n", max_flush_loops);
1006 fflush(stderr);
1007 return 1;
1008}
1009
81824ac2 1010static int ipaddr_list_flush_or_save(int argc, char **argv, int action)
aba5acdf 1011{
62e2e540
ED		 1012 struct nlmsg_chain linfo = { NULL, NULL};
1013 struct nlmsg_chain ainfo = { NULL, NULL};
8d07e5f7 1014 struct nlmsg_list *l;
aba5acdf
SH		 1015 char *filter_dev = NULL;
1016 int no_link = 0;
1017
1018 ipaddr_reset_filter(oneline);
1019 filter.showqueue = 1;
1020
1021 if (filter.family == AF_UNSPEC)
1022 filter.family = preferred_family;
1023
242b8da7 1024 filter.group = INIT_NETDEV_GROUP;
f960c92a 1025
81824ac2 1026 if (action == IPADD_FLUSH) {
aba5acdf
SH		 1027 if (argc <= 0) {
1028 fprintf(stderr, "Flush requires arguments.\n");
f960c92a 1029
aba5acdf
SH		 1030 return -1;
1031 }
1032 if (filter.family == AF_PACKET) {
1033 fprintf(stderr, "Cannot flush link addresses.\n");
1034 return -1;
1035 }
1036 }
1037
1038 while (argc > 0) {
1039 if (strcmp(*argv, "to") == 0) {
1040 NEXT_ARG();
1041 get_prefix(&filter.pfx, *argv, filter.family);
1042 if (filter.family == AF_UNSPEC)
1043 filter.family = filter.pfx.family;
1044 } else if (strcmp(*argv, "scope") == 0) {
f332d169 1045 unsigned scope = 0;
aba5acdf
SH		 1046 NEXT_ARG();
1047 filter.scopemask = -1;
1048 if (rtnl_rtscope_a2n(&scope, *argv)) {
1049 if (strcmp(*argv, "all") != 0)
1050 invarg("invalid \"scope\"\n", *argv);
1051 scope = RT_SCOPE_NOWHERE;
1052 filter.scopemask = 0;
1053 }
1054 filter.scope = scope;
1055 } else if (strcmp(*argv, "up") == 0) {
1056 filter.up = 1;
1057 } else if (strcmp(*argv, "dynamic") == 0) {
1058 filter.flags &= ~IFA_F_PERMANENT;
1059 filter.flagmask |= IFA_F_PERMANENT;
1060 } else if (strcmp(*argv, "permanent") == 0) {
1061 filter.flags |= IFA_F_PERMANENT;
1062 filter.flagmask |= IFA_F_PERMANENT;
a1b9ffcc
BH		 1063 } else if (strcmp(*argv, "secondary") == 0 ||
1064 strcmp(*argv, "temporary") == 0) {
aba5acdf
SH		 1065 filter.flags |= IFA_F_SECONDARY;
1066 filter.flagmask |= IFA_F_SECONDARY;
1067 } else if (strcmp(*argv, "primary") == 0) {
1068 filter.flags &= ~IFA_F_SECONDARY;
1069 filter.flagmask |= IFA_F_SECONDARY;
1070 } else if (strcmp(*argv, "tentative") == 0) {
1071 filter.flags |= IFA_F_TENTATIVE;
1072 filter.flagmask |= IFA_F_TENTATIVE;
1073 } else if (strcmp(*argv, "deprecated") == 0) {
1074 filter.flags |= IFA_F_DEPRECATED;
1075 filter.flagmask |= IFA_F_DEPRECATED;
bac735c5
NT		 1076 } else if (strcmp(*argv, "home") == 0) {
1077 filter.flags |= IFA_F_HOMEADDRESS;
1078 filter.flagmask |= IFA_F_HOMEADDRESS;
1079 } else if (strcmp(*argv, "nodad") == 0) {
1080 filter.flags |= IFA_F_NODAD;
1081 filter.flagmask |= IFA_F_NODAD;
a1f27794
BH		 1082 } else if (strcmp(*argv, "dadfailed") == 0) {
1083 filter.flags |= IFA_F_DADFAILED;
1084 filter.flagmask |= IFA_F_DADFAILED;
aba5acdf
SH		 1085 } else if (strcmp(*argv, "label") == 0) {
1086 NEXT_ARG();
1087 filter.label = *argv;
f960c92a
VD		 1088 } else if (strcmp(*argv, "group") == 0) {
1089 NEXT_ARG();
1090 if (rtnl_group_a2n(&filter.group, *argv))
1091 invarg("Invalid \"group\" value\n", *argv);
aba5acdf
SH		 1092 } else {
1093 if (strcmp(*argv, "dev") == 0) {
1094 NEXT_ARG();
1095 }
1096 if (matches(*argv, "help") == 0)
1097 usage();
1098 if (filter_dev)
1099 duparg2("dev", *argv);
1100 filter_dev = *argv;
1101 }
1102 argv++; argc--;
1103 }
1104
aba5acdf
SH		 1105 if (filter_dev) {
1106 filter.ifindex = ll_name_to_index(filter_dev);
1107 if (filter.ifindex <= 0) {
1108 fprintf(stderr, "Device \"%s\" does not exist.\n", filter_dev);
1109 return -1;
1110 }
1111 }
1112
81824ac2 1113 if (action == IPADD_FLUSH)
8d07e5f7 1114 return ipaddr_flush();
351efcde 1115
81824ac2
PE		 1116 if (action == IPADD_SAVE) {
1117 if (ipadd_save_prep())
1118 exit(1);
1119
1120 if (rtnl_wilddump_request(&rth, preferred_family, RTM_GETADDR) < 0) {
1121 perror("Cannot send dump request");
1122 exit(1);
1123 }
1124
1125 if (rtnl_dump_filter(&rth, save_nlmsg, stdout) < 0) {
1126 fprintf(stderr, "Save terminated\n");
1127 exit(1);
1128 }
1129
1130 exit(0);
1131 }
1132
8d07e5f7
SH		 1133 if (rtnl_wilddump_request(&rth, preferred_family, RTM_GETLINK) < 0) {
1134 perror("Cannot send dump request");
1135 exit(1);
1136 }
3bc1c4f2 1137
8d07e5f7
SH		 1138 if (rtnl_dump_filter(&rth, store_nlmsg, &linfo) < 0) {
1139 fprintf(stderr, "Dump terminated\n");
1140 exit(1);
aba5acdf
SH		 1141 }
1142
af9d406f 1143 if (filter.family != AF_PACKET) {
8d07e5f7
SH		 1144 if (filter.oneline)
1145 no_link = 1;
1146
aba5acdf
SH		 1147 if (rtnl_wilddump_request(&rth, filter.family, RTM_GETADDR) < 0) {
1148 perror("Cannot send dump request");
1149 exit(1);
1150 }
1151
cd70f3f5 1152 if (rtnl_dump_filter(&rth, store_nlmsg, &ainfo) < 0) {
aba5acdf
SH		 1153 fprintf(stderr, "Dump terminated\n");
1154 exit(1);
1155 }
aba5acdf 1156
8d07e5f7 1157 ipaddr_filter(&linfo, &ainfo);
aba5acdf
SH		 1158 }
1159
8d07e5f7 1160 for (l = linfo.head; l; l = l->next) {
aba5acdf
SH		 1161 if (no_link || print_linkinfo(NULL, &l->h, stdout) == 0) {
1162 struct ifinfomsg *ifi = NLMSG_DATA(&l->h);
1163 if (filter.family != AF_PACKET)
8d07e5f7
SH		 1164 print_selected_addrinfo(ifi->ifi_index,
1165 ainfo.head, stdout);
aba5acdf 1166 }
aba5acdf 1167 }
8d07e5f7
SH		 1168 fflush(stdout);
1169
1170 free_nlmsg_chain(&ainfo);
1171 free_nlmsg_chain(&linfo);
aba5acdf 1172
351efcde 1173 return 0;
aba5acdf
SH		 1174}
1175
1176int ipaddr_list_link(int argc, char **argv)
1177{
1178 preferred_family = AF_PACKET;
1179 do_link = 1;
81824ac2 1180 return ipaddr_list_flush_or_save(argc, argv, IPADD_LIST);
aba5acdf
SH		 1181}
1182
1183void ipaddr_reset_filter(int oneline)
1184{
1185 memset(&filter, 0, sizeof(filter));
1186 filter.oneline = oneline;
1187}
1188
3d866ba2 1189static int default_scope(inet_prefix *lcl)
aba5acdf
SH		 1190{
1191 if (lcl->family == AF_INET) {
1192 if (lcl->bytelen >= 1 && *(__u8*)&lcl->data == 127)
1193 return RT_SCOPE_HOST;
1194 }
1195 return 0;
1196}
1197
3d866ba2 1198static int ipaddr_modify(int cmd, int flags, int argc, char **argv)
aba5acdf 1199{
aba5acdf
SH		 1200 struct {
1201 struct nlmsghdr n;
1202 struct ifaddrmsg ifa;
1203 char buf[256];
1204 } req;
1205 char *d = NULL;
1206 char *l = NULL;
f082b64f 1207 char *lcl_arg = NULL;
35546df7
MN		 1208 char *valid_lftp = NULL;
1209 char *preferred_lftp = NULL;
aba5acdf
SH		 1210 inet_prefix lcl;
1211 inet_prefix peer;
1212 int local_len = 0;
1213 int peer_len = 0;
1214 int brd_len = 0;
1215 int any_len = 0;
1216 int scoped = 0;
141bb606
MN		 1217 __u32 preferred_lft = INFINITY_LIFE_TIME;
1218 __u32 valid_lft = INFINITY_LIFE_TIME;
35546df7 1219 struct ifa_cacheinfo cinfo;
aba5acdf
SH		 1220
1221 memset(&req, 0, sizeof(req));
1222
1223 req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg));
0aef366b 1224 req.n.nlmsg_flags = NLM_F_REQUEST | flags;
aba5acdf
SH		 1225 req.n.nlmsg_type = cmd;
1226 req.ifa.ifa_family = preferred_family;
1227
1228 while (argc > 0) {
1229 if (strcmp(*argv, "peer") == 0 ||
1230 strcmp(*argv, "remote") == 0) {
1231 NEXT_ARG();
1232
1233 if (peer_len)
1234 duparg("peer", *argv);
1235 get_prefix(&peer, *argv, req.ifa.ifa_family);
1236 peer_len = peer.bytelen;
1237 if (req.ifa.ifa_family == AF_UNSPEC)
1238 req.ifa.ifa_family = peer.family;
1239 addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &peer.data, peer.bytelen);
1240 req.ifa.ifa_prefixlen = peer.bitlen;
1241 } else if (matches(*argv, "broadcast") == 0 ||
1242 strcmp(*argv, "brd") == 0) {
1243 inet_prefix addr;
1244 NEXT_ARG();
1245 if (brd_len)
1246 duparg("broadcast", *argv);
1247 if (strcmp(*argv, "+") == 0)
1248 brd_len = -1;
1249 else if (strcmp(*argv, "-") == 0)
1250 brd_len = -2;
1251 else {
1252 get_addr(&addr, *argv, req.ifa.ifa_family);
1253 if (req.ifa.ifa_family == AF_UNSPEC)
1254 req.ifa.ifa_family = addr.family;
1255 addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &addr.data, addr.bytelen);
1256 brd_len = addr.bytelen;
1257 }
1258 } else if (strcmp(*argv, "anycast") == 0) {
1259 inet_prefix addr;
1260 NEXT_ARG();
1261 if (any_len)
1262 duparg("anycast", *argv);
1263 get_addr(&addr, *argv, req.ifa.ifa_family);
1264 if (req.ifa.ifa_family == AF_UNSPEC)
1265 req.ifa.ifa_family = addr.family;
1266 addattr_l(&req.n, sizeof(req), IFA_ANYCAST, &addr.data, addr.bytelen);
1267 any_len = addr.bytelen;
1268 } else if (strcmp(*argv, "scope") == 0) {
f332d169 1269 unsigned scope = 0;
aba5acdf
SH		 1270 NEXT_ARG();
1271 if (rtnl_rtscope_a2n(&scope, *argv))
f1675d61 1272 invarg("invalid scope value.", *argv);
aba5acdf
SH		 1273 req.ifa.ifa_scope = scope;
1274 scoped = 1;
1275 } else if (strcmp(*argv, "dev") == 0) {
1276 NEXT_ARG();
1277 d = *argv;
1278 } else if (strcmp(*argv, "label") == 0) {
1279 NEXT_ARG();
1280 l = *argv;
1281 addattr_l(&req.n, sizeof(req), IFA_LABEL, l, strlen(l)+1);
35546df7
MN		 1282 } else if (matches(*argv, "valid_lft") == 0) {
1283 if (valid_lftp)
1284 duparg("valid_lft", *argv);
1285 NEXT_ARG();
1286 valid_lftp = *argv;
1287 if (set_lifetime(&valid_lft, *argv))
1288 invarg("valid_lft value", *argv);
1289 } else if (matches(*argv, "preferred_lft") == 0) {
1290 if (preferred_lftp)
1291 duparg("preferred_lft", *argv);
1292 NEXT_ARG();
1293 preferred_lftp = *argv;
1294 if (set_lifetime(&preferred_lft, *argv))
1295 invarg("preferred_lft value", *argv);
bac735c5
NT		 1296 } else if (strcmp(*argv, "home") == 0) {
1297 req.ifa.ifa_flags |= IFA_F_HOMEADDRESS;
1298 } else if (strcmp(*argv, "nodad") == 0) {
1299 req.ifa.ifa_flags |= IFA_F_NODAD;
aba5acdf
SH		 1300 } else {
1301 if (strcmp(*argv, "local") == 0) {
1302 NEXT_ARG();
1303 }
1304 if (matches(*argv, "help") == 0)
1305 usage();
1306 if (local_len)
1307 duparg2("local", *argv);
f082b64f 1308 lcl_arg = *argv;
aba5acdf
SH		 1309 get_prefix(&lcl, *argv, req.ifa.ifa_family);
1310 if (req.ifa.ifa_family == AF_UNSPEC)
1311 req.ifa.ifa_family = lcl.family;
1312 addattr_l(&req.n, sizeof(req), IFA_LOCAL, &lcl.data, lcl.bytelen);
1313 local_len = lcl.bytelen;
1314 }
1315 argc--; argv++;
1316 }
1317 if (d == NULL) {
1318 fprintf(stderr, "Not enough information: \"dev\" argument is required.\n");
1319 return -1;
1320 }
1321 if (l && matches(d, l) != 0) {
1322 fprintf(stderr, "\"dev\" (%s) must match \"label\" (%s).\n", d, l);
1db61e02 1323 return -1;
aba5acdf
SH		 1324 }
1325
f082b64f 1326 if (peer_len == 0 && local_len) {
1327 if (cmd == RTM_DELADDR && lcl.family == AF_INET && !(lcl.flags & PREFIXLEN_SPECIFIED)) {
1328 fprintf(stderr,
1329 "Warning: Executing wildcard deletion to stay compatible with old scripts.\n" \
1330 " Explicitly specify the prefix length (%s/%d) to avoid this warning.\n" \
1331 " This special behaviour is likely to disappear in further releases,\n" \
1332 " fix your scripts!\n", lcl_arg, local_len*8);
1333 } else {
1334 peer = lcl;
1335 addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &lcl.data, lcl.bytelen);
1336 }
aba5acdf
SH		 1337 }
1338 if (req.ifa.ifa_prefixlen == 0)
1339 req.ifa.ifa_prefixlen = lcl.bitlen;
1340
1341 if (brd_len < 0 && cmd != RTM_DELADDR) {
1342 inet_prefix brd;
1343 int i;
1344 if (req.ifa.ifa_family != AF_INET) {
1345 fprintf(stderr, "Broadcast can be set only for IPv4 addresses\n");
1346 return -1;
1347 }
1348 brd = peer;
1349 if (brd.bitlen <= 30) {
1350 for (i=31; i>=brd.bitlen; i--) {
1351 if (brd_len == -1)
1352 brd.data[0] |= htonl(1<<(31-i));
1353 else
1354 brd.data[0] &= ~htonl(1<<(31-i));
1355 }
1356 addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &brd.data, brd.bytelen);
1357 brd_len = brd.bytelen;
1358 }
1359 }
1360 if (!scoped && cmd != RTM_DELADDR)
1361 req.ifa.ifa_scope = default_scope(&lcl);
1362
aba5acdf
SH		 1363 ll_init_map(&rth);
1364
1365 if ((req.ifa.ifa_index = ll_name_to_index(d)) == 0) {
1366 fprintf(stderr, "Cannot find device \"%s\"\n", d);
1367 return -1;
1368 }
1369
35546df7
MN		 1370 if (valid_lftp || preferred_lftp) {
1371 if (!valid_lft) {
1372 fprintf(stderr, "valid_lft is zero\n");
1373 return -1;
1374 }
1375 if (valid_lft < preferred_lft) {
1376 fprintf(stderr, "preferred_lft is greater than valid_lft\n");
1377 return -1;
1378 }
1379
1380 memset(&cinfo, 0, sizeof(cinfo));
1381 cinfo.ifa_prefered = preferred_lft;
1382 cinfo.ifa_valid = valid_lft;
1383 addattr_l(&req.n, sizeof(req), IFA_CACHEINFO, &cinfo,
1384 sizeof(cinfo));
1385 }
1386
cd70f3f5 1387 if (rtnl_talk(&rth, &req.n, 0, 0, NULL) < 0)
1db61e02 1388 return -2;
aba5acdf 1389
351efcde 1390 return 0;
aba5acdf
SH		 1391}
1392
1393int do_ipaddr(int argc, char **argv)
1394{
1395 if (argc < 1)
81824ac2 1396 return ipaddr_list_flush_or_save(0, NULL, IPADD_LIST);
aba5acdf 1397 if (matches(*argv, "add") == 0)
0aef366b
NT		 1398 return ipaddr_modify(RTM_NEWADDR, NLM_F_CREATE|NLM_F_EXCL, argc-1, argv+1);
1399 if (matches(*argv, "change") == 0 ||
1400 strcmp(*argv, "chg") == 0)
1401 return ipaddr_modify(RTM_NEWADDR, NLM_F_REPLACE, argc-1, argv+1);
1402 if (matches(*argv, "replace") == 0)
1403 return ipaddr_modify(RTM_NEWADDR, NLM_F_CREATE|NLM_F_REPLACE, argc-1, argv+1);
aba5acdf 1404 if (matches(*argv, "delete") == 0)
0aef366b 1405 return ipaddr_modify(RTM_DELADDR, 0, argc-1, argv+1);
aba5acdf
SH		 1406 if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0
1407 || matches(*argv, "lst") == 0)
81824ac2 1408 return ipaddr_list_flush_or_save(argc-1, argv+1, IPADD_LIST);
aba5acdf 1409 if (matches(*argv, "flush") == 0)
81824ac2
PE		 1410 return ipaddr_list_flush_or_save(argc-1, argv+1, IPADD_FLUSH);
1411 if (matches(*argv, "save") == 0)
1412 return ipaddr_list_flush_or_save(argc-1, argv+1, IPADD_SAVE);
1413 if (matches(*argv, "showdump") == 0)
1414 return ipaddr_showdump();
1415 if (matches(*argv, "restore") == 0)
1416 return ipaddr_restore();
aba5acdf
SH		 1417 if (matches(*argv, "help") == 0)
1418 usage();
b096fa5f 1419 fprintf(stderr, "Command \"%s\" is unknown, try \"ip addr help\".\n", *argv);
aba5acdf
SH		 1420 exit(-1);
1421}
1422
Upstream mirror of iproute2