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Commit | Line | Data |
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aba5acdf SH |
1 | /* |
2 | * ipaddress.c "ip address". | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public License | |
6 | * as published by the Free Software Foundation; either version | |
7 | * 2 of the License, or (at your option) any later version. | |
8 | * | |
9 | * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> | |
10 | * | |
aba5acdf SH |
11 | */ |
12 | ||
13 | #include <stdio.h> | |
14 | #include <stdlib.h> | |
15 | #include <unistd.h> | |
16 | #include <syslog.h> | |
17 | #include <fcntl.h> | |
18 | #include <sys/ioctl.h> | |
19 | #include <sys/socket.h> | |
20 | #include <sys/ioctl.h> | |
3d866ba2 | 21 | #include <sys/errno.h> |
aba5acdf SH |
22 | #include <netinet/in.h> |
23 | #include <arpa/inet.h> | |
24 | #include <string.h> | |
25 | #include <fnmatch.h> | |
26 | ||
e5779fb2 SH |
27 | #include <linux/netdevice.h> |
28 | #include <linux/if_arp.h> | |
29 | #include <linux/sockios.h> | |
30 | ||
aba5acdf SH |
31 | #include "rt_names.h" |
32 | #include "utils.h" | |
33 | #include "ll_map.h" | |
34 | #include "ip_common.h" | |
35 | ||
7b3d366e DS |
36 | #define MAX_ROUNDS 10 |
37 | ||
aba5acdf SH |
38 | static struct |
39 | { | |
40 | int ifindex; | |
41 | int family; | |
42 | int oneline; | |
43 | int showqueue; | |
44 | inet_prefix pfx; | |
45 | int scope, scopemask; | |
46 | int flags, flagmask; | |
47 | int up; | |
48 | char *label; | |
49 | int flushed; | |
50 | char *flushb; | |
51 | int flushp; | |
52 | int flushe; | |
aba5acdf SH |
53 | } filter; |
54 | ||
55 | static int do_link; | |
56 | ||
57 | static void usage(void) __attribute__((noreturn)); | |
58 | ||
59 | static void usage(void) | |
60 | { | |
61 | if (do_link) { | |
62 | iplink_usage(); | |
63 | } | |
0aef366b | 64 | fprintf(stderr, "Usage: ip addr {add|change|replace} IFADDR dev STRING [ LIFETIME ]\n"); |
a1f27794 | 65 | fprintf(stderr, " [ CONFFLAG-LIST ]\n"); |
35546df7 | 66 | fprintf(stderr, " ip addr del IFADDR dev STRING\n"); |
aba5acdf SH |
67 | fprintf(stderr, " ip addr {show|flush} [ dev STRING ] [ scope SCOPE-ID ]\n"); |
68 | fprintf(stderr, " [ to PREFIX ] [ FLAG-LIST ] [ label PATTERN ]\n"); | |
69 | fprintf(stderr, "IFADDR := PREFIX | ADDR peer PREFIX\n"); | |
70 | fprintf(stderr, " [ broadcast ADDR ] [ anycast ADDR ]\n"); | |
71 | fprintf(stderr, " [ label STRING ] [ scope SCOPE-ID ]\n"); | |
72 | fprintf(stderr, "SCOPE-ID := [ host | link | global | NUMBER ]\n"); | |
73 | fprintf(stderr, "FLAG-LIST := [ FLAG-LIST ] FLAG\n"); | |
74 | fprintf(stderr, "FLAG := [ permanent | dynamic | secondary | primary |\n"); | |
a1b9ffcc | 75 | fprintf(stderr, " tentative | deprecated | dadfailed | temporary |\n"); |
a1f27794 | 76 | fprintf(stderr, " CONFFLAG-LIST ]\n"); |
bac735c5 NT |
77 | fprintf(stderr, "CONFFLAG-LIST := [ CONFFLAG-LIST ] CONFFLAG\n"); |
78 | fprintf(stderr, "CONFFLAG := [ home | nodad ]\n"); | |
35546df7 MN |
79 | fprintf(stderr, "LIFETIME := [ valid_lft LFT ] [ preferred_lft LFT ]\n"); |
80 | fprintf(stderr, "LFT := forever | SECONDS\n"); | |
81 | ||
aba5acdf SH |
82 | exit(-1); |
83 | } | |
84 | ||
85 | void print_link_flags(FILE *fp, unsigned flags, unsigned mdown) | |
86 | { | |
87 | fprintf(fp, "<"); | |
73b49e9f | 88 | if (flags & IFF_UP && !(flags & IFF_RUNNING)) |
89 | fprintf(fp, "NO-CARRIER%s", flags ? "," : ""); | |
aba5acdf SH |
90 | flags &= ~IFF_RUNNING; |
91 | #define _PF(f) if (flags&IFF_##f) { \ | |
92 | flags &= ~IFF_##f ; \ | |
93 | fprintf(fp, #f "%s", flags ? "," : ""); } | |
94 | _PF(LOOPBACK); | |
95 | _PF(BROADCAST); | |
96 | _PF(POINTOPOINT); | |
97 | _PF(MULTICAST); | |
98 | _PF(NOARP); | |
99 | _PF(ALLMULTI); | |
100 | _PF(PROMISC); | |
101 | _PF(MASTER); | |
102 | _PF(SLAVE); | |
103 | _PF(DEBUG); | |
104 | _PF(DYNAMIC); | |
105 | _PF(AUTOMEDIA); | |
106 | _PF(PORTSEL); | |
107 | _PF(NOTRAILERS); | |
108 | _PF(UP); | |
dcb283c3 TG |
109 | _PF(LOWER_UP); |
110 | _PF(DORMANT); | |
98f9a1d2 | 111 | _PF(ECHO); |
aba5acdf SH |
112 | #undef _PF |
113 | if (flags) | |
114 | fprintf(fp, "%x", flags); | |
115 | if (mdown) | |
116 | fprintf(fp, ",M-DOWN"); | |
117 | fprintf(fp, "> "); | |
118 | } | |
119 | ||
3d866ba2 SH |
120 | static const char *oper_states[] = { |
121 | "UNKNOWN", "NOTPRESENT", "DOWN", "LOWERLAYERDOWN", | |
122 | "TESTING", "DORMANT", "UP" | |
123 | }; | |
124 | ||
125 | static void print_operstate(FILE *f, __u8 state) | |
126 | { | |
127 | if (state >= sizeof(oper_states)/sizeof(oper_states[0])) | |
128 | fprintf(f, "state %#x ", state); | |
129 | else | |
130 | fprintf(f, "state %s ", oper_states[state]); | |
131 | } | |
132 | ||
133 | static void print_queuelen(FILE *f, const char *name) | |
aba5acdf SH |
134 | { |
135 | struct ifreq ifr; | |
136 | int s; | |
137 | ||
138 | s = socket(AF_INET, SOCK_STREAM, 0); | |
139 | if (s < 0) | |
140 | return; | |
141 | ||
142 | memset(&ifr, 0, sizeof(ifr)); | |
143 | strcpy(ifr.ifr_name, name); | |
ae665a52 | 144 | if (ioctl(s, SIOCGIFTXQLEN, &ifr) < 0) { |
3d866ba2 | 145 | fprintf(f, "ioctl(SIOCGIFXQLEN) failed: %s\n", strerror(errno)); |
aba5acdf SH |
146 | close(s); |
147 | return; | |
148 | } | |
149 | close(s); | |
150 | ||
151 | if (ifr.ifr_qlen) | |
3d866ba2 | 152 | fprintf(f, "qlen %d", ifr.ifr_qlen); |
aba5acdf SH |
153 | } |
154 | ||
1d934839 PM |
155 | static void print_linktype(FILE *fp, struct rtattr *tb) |
156 | { | |
157 | struct rtattr *linkinfo[IFLA_INFO_MAX+1]; | |
158 | struct link_util *lu; | |
159 | char *kind; | |
160 | ||
161 | parse_rtattr_nested(linkinfo, IFLA_INFO_MAX, tb); | |
162 | ||
163 | if (!linkinfo[IFLA_INFO_KIND]) | |
164 | return; | |
165 | kind = RTA_DATA(linkinfo[IFLA_INFO_KIND]); | |
166 | ||
167 | fprintf(fp, "%s", _SL_); | |
168 | fprintf(fp, " %s ", kind); | |
169 | ||
170 | lu = get_link_kind(kind); | |
171 | if (!lu || !lu->print_opt) | |
172 | return; | |
173 | ||
174 | if (1) { | |
175 | struct rtattr *attr[lu->maxattr+1], **data = NULL; | |
176 | ||
177 | if (linkinfo[IFLA_INFO_DATA]) { | |
178 | parse_rtattr_nested(attr, lu->maxattr, | |
179 | linkinfo[IFLA_INFO_DATA]); | |
180 | data = attr; | |
181 | } | |
182 | lu->print_opt(lu, fp, data); | |
183 | ||
184 | if (linkinfo[IFLA_INFO_XSTATS] && show_stats && | |
185 | lu->print_xstats) | |
186 | lu->print_xstats(lu, fp, linkinfo[IFLA_INFO_XSTATS]); | |
187 | } | |
188 | } | |
189 | ||
ae665a52 | 190 | int print_linkinfo(const struct sockaddr_nl *who, |
50772dc5 | 191 | struct nlmsghdr *n, void *arg) |
aba5acdf SH |
192 | { |
193 | FILE *fp = (FILE*)arg; | |
194 | struct ifinfomsg *ifi = NLMSG_DATA(n); | |
195 | struct rtattr * tb[IFLA_MAX+1]; | |
196 | int len = n->nlmsg_len; | |
197 | unsigned m_flag = 0; | |
198 | ||
199 | if (n->nlmsg_type != RTM_NEWLINK && n->nlmsg_type != RTM_DELLINK) | |
200 | return 0; | |
201 | ||
202 | len -= NLMSG_LENGTH(sizeof(*ifi)); | |
203 | if (len < 0) | |
204 | return -1; | |
205 | ||
206 | if (filter.ifindex && ifi->ifi_index != filter.ifindex) | |
207 | return 0; | |
208 | if (filter.up && !(ifi->ifi_flags&IFF_UP)) | |
209 | return 0; | |
210 | ||
aba5acdf SH |
211 | parse_rtattr(tb, IFLA_MAX, IFLA_RTA(ifi), len); |
212 | if (tb[IFLA_IFNAME] == NULL) { | |
4cd23bdd | 213 | fprintf(stderr, "BUG: device with ifindex %d has nil ifname\n", ifi->ifi_index); |
aba5acdf SH |
214 | } |
215 | if (filter.label && | |
216 | (!filter.family || filter.family == AF_PACKET) && | |
217 | fnmatch(filter.label, RTA_DATA(tb[IFLA_IFNAME]), 0)) | |
218 | return 0; | |
219 | ||
220 | if (n->nlmsg_type == RTM_DELLINK) | |
221 | fprintf(fp, "Deleted "); | |
222 | ||
223 | fprintf(fp, "%d: %s", ifi->ifi_index, | |
224 | tb[IFLA_IFNAME] ? (char*)RTA_DATA(tb[IFLA_IFNAME]) : "<nil>"); | |
225 | ||
226 | if (tb[IFLA_LINK]) { | |
227 | SPRINT_BUF(b1); | |
228 | int iflink = *(int*)RTA_DATA(tb[IFLA_LINK]); | |
229 | if (iflink == 0) | |
230 | fprintf(fp, "@NONE: "); | |
231 | else { | |
232 | fprintf(fp, "@%s: ", ll_idx_n2a(iflink, b1)); | |
233 | m_flag = ll_index_to_flags(iflink); | |
234 | m_flag = !(m_flag & IFF_UP); | |
235 | } | |
236 | } else { | |
237 | fprintf(fp, ": "); | |
238 | } | |
239 | print_link_flags(fp, ifi->ifi_flags, m_flag); | |
240 | ||
241 | if (tb[IFLA_MTU]) | |
242 | fprintf(fp, "mtu %u ", *(int*)RTA_DATA(tb[IFLA_MTU])); | |
243 | if (tb[IFLA_QDISC]) | |
244 | fprintf(fp, "qdisc %s ", (char*)RTA_DATA(tb[IFLA_QDISC])); | |
245 | #ifdef IFLA_MASTER | |
246 | if (tb[IFLA_MASTER]) { | |
247 | SPRINT_BUF(b1); | |
248 | fprintf(fp, "master %s ", ll_idx_n2a(*(int*)RTA_DATA(tb[IFLA_MASTER]), b1)); | |
249 | } | |
250 | #endif | |
3d866ba2 SH |
251 | if (tb[IFLA_OPERSTATE]) |
252 | print_operstate(fp, *(__u8 *)RTA_DATA(tb[IFLA_OPERSTATE])); | |
253 | ||
aba5acdf | 254 | if (filter.showqueue) |
3d866ba2 | 255 | print_queuelen(fp, (char*)RTA_DATA(tb[IFLA_IFNAME])); |
ae665a52 | 256 | |
aba5acdf SH |
257 | if (!filter.family || filter.family == AF_PACKET) { |
258 | SPRINT_BUF(b1); | |
259 | fprintf(fp, "%s", _SL_); | |
260 | fprintf(fp, " link/%s ", ll_type_n2a(ifi->ifi_type, b1, sizeof(b1))); | |
261 | ||
262 | if (tb[IFLA_ADDRESS]) { | |
263 | fprintf(fp, "%s", ll_addr_n2a(RTA_DATA(tb[IFLA_ADDRESS]), | |
264 | RTA_PAYLOAD(tb[IFLA_ADDRESS]), | |
265 | ifi->ifi_type, | |
266 | b1, sizeof(b1))); | |
267 | } | |
268 | if (tb[IFLA_BROADCAST]) { | |
269 | if (ifi->ifi_flags&IFF_POINTOPOINT) | |
270 | fprintf(fp, " peer "); | |
271 | else | |
272 | fprintf(fp, " brd "); | |
273 | fprintf(fp, "%s", ll_addr_n2a(RTA_DATA(tb[IFLA_BROADCAST]), | |
274 | RTA_PAYLOAD(tb[IFLA_BROADCAST]), | |
275 | ifi->ifi_type, | |
276 | b1, sizeof(b1))); | |
277 | } | |
278 | } | |
1d934839 PM |
279 | |
280 | if (do_link && tb[IFLA_LINKINFO] && show_details) | |
281 | print_linktype(fp, tb[IFLA_LINKINFO]); | |
282 | ||
ace9c961 SH |
283 | if (do_link && tb[IFLA_IFALIAS]) |
284 | fprintf(fp,"\n alias %s", | |
285 | (const char *) RTA_DATA(tb[IFLA_IFALIAS])); | |
286 | ||
aba5acdf | 287 | if (do_link && tb[IFLA_STATS] && show_stats) { |
ae0f1443 | 288 | struct rtnl_link_stats slocal; |
289 | struct rtnl_link_stats *s = RTA_DATA(tb[IFLA_STATS]); | |
aba5acdf SH |
290 | if (((unsigned long)s) & (sizeof(unsigned long)-1)) { |
291 | memcpy(&slocal, s, sizeof(slocal)); | |
292 | s = &slocal; | |
293 | } | |
294 | fprintf(fp, "%s", _SL_); | |
295 | fprintf(fp, " RX: bytes packets errors dropped overrun mcast %s%s", | |
296 | s->rx_compressed ? "compressed" : "", _SL_); | |
ae0f1443 | 297 | fprintf(fp, " %-10u %-8u %-7u %-7u %-7u %-7u", |
aba5acdf SH |
298 | s->rx_bytes, s->rx_packets, s->rx_errors, |
299 | s->rx_dropped, s->rx_over_errors, | |
300 | s->multicast | |
301 | ); | |
302 | if (s->rx_compressed) | |
ae0f1443 | 303 | fprintf(fp, " %-7u", s->rx_compressed); |
aba5acdf SH |
304 | if (show_stats > 1) { |
305 | fprintf(fp, "%s", _SL_); | |
306 | fprintf(fp, " RX errors: length crc frame fifo missed%s", _SL_); | |
ae0f1443 | 307 | fprintf(fp, " %-7u %-7u %-7u %-7u %-7u", |
aba5acdf SH |
308 | s->rx_length_errors, |
309 | s->rx_crc_errors, | |
310 | s->rx_frame_errors, | |
311 | s->rx_fifo_errors, | |
312 | s->rx_missed_errors | |
313 | ); | |
314 | } | |
315 | fprintf(fp, "%s", _SL_); | |
316 | fprintf(fp, " TX: bytes packets errors dropped carrier collsns %s%s", | |
317 | s->tx_compressed ? "compressed" : "", _SL_); | |
ae0f1443 | 318 | fprintf(fp, " %-10u %-8u %-7u %-7u %-7u %-7u", |
aba5acdf SH |
319 | s->tx_bytes, s->tx_packets, s->tx_errors, |
320 | s->tx_dropped, s->tx_carrier_errors, s->collisions); | |
321 | if (s->tx_compressed) | |
ae0f1443 | 322 | fprintf(fp, " %-7u", s->tx_compressed); |
aba5acdf SH |
323 | if (show_stats > 1) { |
324 | fprintf(fp, "%s", _SL_); | |
325 | fprintf(fp, " TX errors: aborted fifo window heartbeat%s", _SL_); | |
ae0f1443 | 326 | fprintf(fp, " %-7u %-7u %-7u %-7u", |
aba5acdf SH |
327 | s->tx_aborted_errors, |
328 | s->tx_fifo_errors, | |
329 | s->tx_window_errors, | |
330 | s->tx_heartbeat_errors | |
331 | ); | |
332 | } | |
ae7229d5 WM |
333 | } |
334 | if (do_link && tb[IFLA_VFINFO] && tb[IFLA_NUM_VF]) { | |
335 | SPRINT_BUF(b1); | |
336 | struct rtattr *rta = tb[IFLA_VFINFO]; | |
337 | struct ifla_vf_info *ivi; | |
338 | int i; | |
339 | for (i = 0; i < *(int *)RTA_DATA(tb[IFLA_NUM_VF]); i++) { | |
340 | if (rta->rta_type != IFLA_VFINFO) { | |
341 | fprintf(stderr, "BUG: rta type is %d\n", rta->rta_type); | |
342 | break; | |
343 | } | |
344 | ivi = RTA_DATA(rta); | |
345 | fprintf(fp, "\n vf %d: MAC %s", | |
346 | ivi->vf, | |
347 | ll_addr_n2a((unsigned char *)&ivi->mac, | |
348 | ETH_ALEN, 0, b1, sizeof(b1))); | |
349 | if (ivi->vlan) | |
350 | fprintf(fp, ", vlan %d", ivi->vlan); | |
351 | if (ivi->qos) | |
352 | fprintf(fp, ", qos %d", ivi->qos); | |
353 | if (ivi->tx_rate) | |
354 | fprintf(fp, ", tx rate %d (Mbps_", | |
355 | ivi->tx_rate); | |
356 | rta = (struct rtattr *)((char *)rta + RTA_ALIGN(rta->rta_len)); | |
357 | } | |
aba5acdf SH |
358 | } |
359 | fprintf(fp, "\n"); | |
360 | fflush(fp); | |
361 | return 0; | |
362 | } | |
363 | ||
364 | static int flush_update(void) | |
365 | { | |
f31a37f7 | 366 | if (rtnl_send_check(&rth, filter.flushb, filter.flushp) < 0) { |
1fb0a998 | 367 | perror("Failed to send flush request"); |
aba5acdf SH |
368 | return -1; |
369 | } | |
370 | filter.flushp = 0; | |
371 | return 0; | |
372 | } | |
373 | ||
35546df7 MN |
374 | static int set_lifetime(unsigned int *lifetime, char *argv) |
375 | { | |
376 | if (strcmp(argv, "forever") == 0) | |
141bb606 | 377 | *lifetime = INFINITY_LIFE_TIME; |
35546df7 MN |
378 | else if (get_u32(lifetime, argv, 0)) |
379 | return -1; | |
380 | ||
381 | return 0; | |
382 | } | |
383 | ||
ae665a52 | 384 | int print_addrinfo(const struct sockaddr_nl *who, struct nlmsghdr *n, |
6dc9f016 | 385 | void *arg) |
aba5acdf SH |
386 | { |
387 | FILE *fp = (FILE*)arg; | |
388 | struct ifaddrmsg *ifa = NLMSG_DATA(n); | |
389 | int len = n->nlmsg_len; | |
037d950b | 390 | int deprecated = 0; |
aba5acdf SH |
391 | struct rtattr * rta_tb[IFA_MAX+1]; |
392 | char abuf[256]; | |
393 | SPRINT_BUF(b1); | |
394 | ||
395 | if (n->nlmsg_type != RTM_NEWADDR && n->nlmsg_type != RTM_DELADDR) | |
396 | return 0; | |
397 | len -= NLMSG_LENGTH(sizeof(*ifa)); | |
398 | if (len < 0) { | |
399 | fprintf(stderr, "BUG: wrong nlmsg len %d\n", len); | |
400 | return -1; | |
401 | } | |
402 | ||
403 | if (filter.flushb && n->nlmsg_type != RTM_NEWADDR) | |
404 | return 0; | |
405 | ||
aba5acdf SH |
406 | parse_rtattr(rta_tb, IFA_MAX, IFA_RTA(ifa), n->nlmsg_len - NLMSG_LENGTH(sizeof(*ifa))); |
407 | ||
408 | if (!rta_tb[IFA_LOCAL]) | |
409 | rta_tb[IFA_LOCAL] = rta_tb[IFA_ADDRESS]; | |
410 | if (!rta_tb[IFA_ADDRESS]) | |
411 | rta_tb[IFA_ADDRESS] = rta_tb[IFA_LOCAL]; | |
412 | ||
413 | if (filter.ifindex && filter.ifindex != ifa->ifa_index) | |
414 | return 0; | |
415 | if ((filter.scope^ifa->ifa_scope)&filter.scopemask) | |
416 | return 0; | |
417 | if ((filter.flags^ifa->ifa_flags)&filter.flagmask) | |
418 | return 0; | |
419 | if (filter.label) { | |
420 | SPRINT_BUF(b1); | |
421 | const char *label; | |
422 | if (rta_tb[IFA_LABEL]) | |
423 | label = RTA_DATA(rta_tb[IFA_LABEL]); | |
424 | else | |
425 | label = ll_idx_n2a(ifa->ifa_index, b1); | |
426 | if (fnmatch(filter.label, label, 0) != 0) | |
427 | return 0; | |
428 | } | |
429 | if (filter.pfx.family) { | |
430 | if (rta_tb[IFA_LOCAL]) { | |
431 | inet_prefix dst; | |
432 | memset(&dst, 0, sizeof(dst)); | |
433 | dst.family = ifa->ifa_family; | |
434 | memcpy(&dst.data, RTA_DATA(rta_tb[IFA_LOCAL]), RTA_PAYLOAD(rta_tb[IFA_LOCAL])); | |
435 | if (inet_addr_match(&dst, &filter.pfx, filter.pfx.bitlen)) | |
436 | return 0; | |
437 | } | |
438 | } | |
439 | ||
3eb1731b | 440 | if (filter.family && filter.family != ifa->ifa_family) |
441 | return 0; | |
442 | ||
aba5acdf SH |
443 | if (filter.flushb) { |
444 | struct nlmsghdr *fn; | |
445 | if (NLMSG_ALIGN(filter.flushp) + n->nlmsg_len > filter.flushe) { | |
446 | if (flush_update()) | |
447 | return -1; | |
448 | } | |
449 | fn = (struct nlmsghdr*)(filter.flushb + NLMSG_ALIGN(filter.flushp)); | |
450 | memcpy(fn, n, n->nlmsg_len); | |
451 | fn->nlmsg_type = RTM_DELADDR; | |
452 | fn->nlmsg_flags = NLM_F_REQUEST; | |
351efcde | 453 | fn->nlmsg_seq = ++rth.seq; |
aba5acdf SH |
454 | filter.flushp = (((char*)fn) + n->nlmsg_len) - filter.flushb; |
455 | filter.flushed++; | |
456 | if (show_stats < 2) | |
457 | return 0; | |
458 | } | |
459 | ||
460 | if (n->nlmsg_type == RTM_DELADDR) | |
461 | fprintf(fp, "Deleted "); | |
462 | ||
463 | if (filter.oneline || filter.flushb) | |
464 | fprintf(fp, "%u: %s", ifa->ifa_index, ll_index_to_name(ifa->ifa_index)); | |
465 | if (ifa->ifa_family == AF_INET) | |
466 | fprintf(fp, " inet "); | |
467 | else if (ifa->ifa_family == AF_INET6) | |
468 | fprintf(fp, " inet6 "); | |
469 | else if (ifa->ifa_family == AF_DECnet) | |
470 | fprintf(fp, " dnet "); | |
471 | else if (ifa->ifa_family == AF_IPX) | |
472 | fprintf(fp, " ipx "); | |
473 | else | |
474 | fprintf(fp, " family %d ", ifa->ifa_family); | |
475 | ||
476 | if (rta_tb[IFA_LOCAL]) { | |
477 | fprintf(fp, "%s", rt_addr_n2a(ifa->ifa_family, | |
478 | RTA_PAYLOAD(rta_tb[IFA_LOCAL]), | |
479 | RTA_DATA(rta_tb[IFA_LOCAL]), | |
480 | abuf, sizeof(abuf))); | |
481 | ||
482 | if (rta_tb[IFA_ADDRESS] == NULL || | |
483 | memcmp(RTA_DATA(rta_tb[IFA_ADDRESS]), RTA_DATA(rta_tb[IFA_LOCAL]), 4) == 0) { | |
484 | fprintf(fp, "/%d ", ifa->ifa_prefixlen); | |
485 | } else { | |
486 | fprintf(fp, " peer %s/%d ", | |
487 | rt_addr_n2a(ifa->ifa_family, | |
488 | RTA_PAYLOAD(rta_tb[IFA_ADDRESS]), | |
489 | RTA_DATA(rta_tb[IFA_ADDRESS]), | |
490 | abuf, sizeof(abuf)), | |
491 | ifa->ifa_prefixlen); | |
492 | } | |
493 | } | |
494 | ||
495 | if (rta_tb[IFA_BROADCAST]) { | |
496 | fprintf(fp, "brd %s ", | |
497 | rt_addr_n2a(ifa->ifa_family, | |
498 | RTA_PAYLOAD(rta_tb[IFA_BROADCAST]), | |
499 | RTA_DATA(rta_tb[IFA_BROADCAST]), | |
500 | abuf, sizeof(abuf))); | |
501 | } | |
502 | if (rta_tb[IFA_ANYCAST]) { | |
503 | fprintf(fp, "any %s ", | |
504 | rt_addr_n2a(ifa->ifa_family, | |
505 | RTA_PAYLOAD(rta_tb[IFA_ANYCAST]), | |
506 | RTA_DATA(rta_tb[IFA_ANYCAST]), | |
507 | abuf, sizeof(abuf))); | |
508 | } | |
509 | fprintf(fp, "scope %s ", rtnl_rtscope_n2a(ifa->ifa_scope, b1, sizeof(b1))); | |
510 | if (ifa->ifa_flags&IFA_F_SECONDARY) { | |
511 | ifa->ifa_flags &= ~IFA_F_SECONDARY; | |
a1b9ffcc BH |
512 | if (ifa->ifa_family == AF_INET6) |
513 | fprintf(fp, "temporary "); | |
514 | else | |
515 | fprintf(fp, "secondary "); | |
aba5acdf SH |
516 | } |
517 | if (ifa->ifa_flags&IFA_F_TENTATIVE) { | |
518 | ifa->ifa_flags &= ~IFA_F_TENTATIVE; | |
519 | fprintf(fp, "tentative "); | |
520 | } | |
521 | if (ifa->ifa_flags&IFA_F_DEPRECATED) { | |
522 | ifa->ifa_flags &= ~IFA_F_DEPRECATED; | |
037d950b | 523 | deprecated = 1; |
aba5acdf SH |
524 | fprintf(fp, "deprecated "); |
525 | } | |
bac735c5 NT |
526 | if (ifa->ifa_flags&IFA_F_HOMEADDRESS) { |
527 | ifa->ifa_flags &= ~IFA_F_HOMEADDRESS; | |
528 | fprintf(fp, "home "); | |
529 | } | |
530 | if (ifa->ifa_flags&IFA_F_NODAD) { | |
531 | ifa->ifa_flags &= ~IFA_F_NODAD; | |
532 | fprintf(fp, "nodad "); | |
533 | } | |
aba5acdf SH |
534 | if (!(ifa->ifa_flags&IFA_F_PERMANENT)) { |
535 | fprintf(fp, "dynamic "); | |
536 | } else | |
537 | ifa->ifa_flags &= ~IFA_F_PERMANENT; | |
f4af851b BH |
538 | if (ifa->ifa_flags&IFA_F_DADFAILED) { |
539 | ifa->ifa_flags &= ~IFA_F_DADFAILED; | |
540 | fprintf(fp, "dadfailed "); | |
541 | } | |
aba5acdf SH |
542 | if (ifa->ifa_flags) |
543 | fprintf(fp, "flags %02x ", ifa->ifa_flags); | |
544 | if (rta_tb[IFA_LABEL]) | |
545 | fprintf(fp, "%s", (char*)RTA_DATA(rta_tb[IFA_LABEL])); | |
546 | if (rta_tb[IFA_CACHEINFO]) { | |
547 | struct ifa_cacheinfo *ci = RTA_DATA(rta_tb[IFA_CACHEINFO]); | |
548 | char buf[128]; | |
549 | fprintf(fp, "%s", _SL_); | |
141bb606 | 550 | if (ci->ifa_valid == INFINITY_LIFE_TIME) |
aba5acdf SH |
551 | sprintf(buf, "valid_lft forever"); |
552 | else | |
0cc5ebf4 | 553 | sprintf(buf, "valid_lft %usec", ci->ifa_valid); |
141bb606 | 554 | if (ci->ifa_prefered == INFINITY_LIFE_TIME) |
aba5acdf | 555 | sprintf(buf+strlen(buf), " preferred_lft forever"); |
037d950b BG |
556 | else { |
557 | if (deprecated) | |
558 | sprintf(buf+strlen(buf), " preferred_lft %dsec", | |
559 | ci->ifa_prefered); | |
560 | else | |
561 | sprintf(buf+strlen(buf), " preferred_lft %usec", | |
562 | ci->ifa_prefered); | |
563 | } | |
aba5acdf SH |
564 | fprintf(fp, " %s", buf); |
565 | } | |
566 | fprintf(fp, "\n"); | |
567 | fflush(fp); | |
568 | return 0; | |
569 | } | |
570 | ||
b49240ec SH |
571 | int print_addrinfo_primary(const struct sockaddr_nl *who, struct nlmsghdr *n, |
572 | void *arg) | |
573 | { | |
574 | struct ifaddrmsg *ifa = NLMSG_DATA(n); | |
575 | ||
576 | if (!ifa->ifa_flags & IFA_F_SECONDARY) | |
577 | return 0; | |
578 | ||
579 | return print_addrinfo(who, n, arg); | |
580 | } | |
581 | ||
582 | int print_addrinfo_secondary(const struct sockaddr_nl *who, struct nlmsghdr *n, | |
583 | void *arg) | |
584 | { | |
585 | struct ifaddrmsg *ifa = NLMSG_DATA(n); | |
586 | ||
587 | if (ifa->ifa_flags & IFA_F_SECONDARY) | |
588 | return 0; | |
589 | ||
590 | return print_addrinfo(who, n, arg); | |
591 | } | |
aba5acdf SH |
592 | |
593 | struct nlmsg_list | |
594 | { | |
595 | struct nlmsg_list *next; | |
596 | struct nlmsghdr h; | |
597 | }; | |
598 | ||
3d866ba2 | 599 | static int print_selected_addrinfo(int ifindex, struct nlmsg_list *ainfo, FILE *fp) |
aba5acdf SH |
600 | { |
601 | for ( ;ainfo ; ainfo = ainfo->next) { | |
602 | struct nlmsghdr *n = &ainfo->h; | |
603 | struct ifaddrmsg *ifa = NLMSG_DATA(n); | |
604 | ||
605 | if (n->nlmsg_type != RTM_NEWADDR) | |
606 | continue; | |
607 | ||
608 | if (n->nlmsg_len < NLMSG_LENGTH(sizeof(ifa))) | |
609 | return -1; | |
610 | ||
ae665a52 | 611 | if (ifa->ifa_index != ifindex || |
aba5acdf SH |
612 | (filter.family && filter.family != ifa->ifa_family)) |
613 | continue; | |
614 | ||
615 | print_addrinfo(NULL, n, fp); | |
616 | } | |
617 | return 0; | |
618 | } | |
619 | ||
620 | ||
ae665a52 | 621 | static int store_nlmsg(const struct sockaddr_nl *who, struct nlmsghdr *n, |
6dc9f016 | 622 | void *arg) |
aba5acdf SH |
623 | { |
624 | struct nlmsg_list **linfo = (struct nlmsg_list**)arg; | |
625 | struct nlmsg_list *h; | |
626 | struct nlmsg_list **lp; | |
627 | ||
628 | h = malloc(n->nlmsg_len+sizeof(void*)); | |
629 | if (h == NULL) | |
630 | return -1; | |
631 | ||
632 | memcpy(&h->h, n, n->nlmsg_len); | |
633 | h->next = NULL; | |
634 | ||
635 | for (lp = linfo; *lp; lp = &(*lp)->next) /* NOTHING */; | |
636 | *lp = h; | |
637 | ||
638 | ll_remember_index(who, n, NULL); | |
639 | return 0; | |
640 | } | |
641 | ||
3d866ba2 | 642 | static int ipaddr_list_or_flush(int argc, char **argv, int flush) |
aba5acdf SH |
643 | { |
644 | struct nlmsg_list *linfo = NULL; | |
645 | struct nlmsg_list *ainfo = NULL; | |
8ed63ab1 | 646 | struct nlmsg_list *l, *n; |
aba5acdf SH |
647 | char *filter_dev = NULL; |
648 | int no_link = 0; | |
649 | ||
650 | ipaddr_reset_filter(oneline); | |
651 | filter.showqueue = 1; | |
652 | ||
653 | if (filter.family == AF_UNSPEC) | |
654 | filter.family = preferred_family; | |
655 | ||
656 | if (flush) { | |
657 | if (argc <= 0) { | |
658 | fprintf(stderr, "Flush requires arguments.\n"); | |
659 | return -1; | |
660 | } | |
661 | if (filter.family == AF_PACKET) { | |
662 | fprintf(stderr, "Cannot flush link addresses.\n"); | |
663 | return -1; | |
664 | } | |
665 | } | |
666 | ||
667 | while (argc > 0) { | |
668 | if (strcmp(*argv, "to") == 0) { | |
669 | NEXT_ARG(); | |
670 | get_prefix(&filter.pfx, *argv, filter.family); | |
671 | if (filter.family == AF_UNSPEC) | |
672 | filter.family = filter.pfx.family; | |
673 | } else if (strcmp(*argv, "scope") == 0) { | |
f332d169 | 674 | unsigned scope = 0; |
aba5acdf SH |
675 | NEXT_ARG(); |
676 | filter.scopemask = -1; | |
677 | if (rtnl_rtscope_a2n(&scope, *argv)) { | |
678 | if (strcmp(*argv, "all") != 0) | |
679 | invarg("invalid \"scope\"\n", *argv); | |
680 | scope = RT_SCOPE_NOWHERE; | |
681 | filter.scopemask = 0; | |
682 | } | |
683 | filter.scope = scope; | |
684 | } else if (strcmp(*argv, "up") == 0) { | |
685 | filter.up = 1; | |
686 | } else if (strcmp(*argv, "dynamic") == 0) { | |
687 | filter.flags &= ~IFA_F_PERMANENT; | |
688 | filter.flagmask |= IFA_F_PERMANENT; | |
689 | } else if (strcmp(*argv, "permanent") == 0) { | |
690 | filter.flags |= IFA_F_PERMANENT; | |
691 | filter.flagmask |= IFA_F_PERMANENT; | |
a1b9ffcc BH |
692 | } else if (strcmp(*argv, "secondary") == 0 || |
693 | strcmp(*argv, "temporary") == 0) { | |
aba5acdf SH |
694 | filter.flags |= IFA_F_SECONDARY; |
695 | filter.flagmask |= IFA_F_SECONDARY; | |
696 | } else if (strcmp(*argv, "primary") == 0) { | |
697 | filter.flags &= ~IFA_F_SECONDARY; | |
698 | filter.flagmask |= IFA_F_SECONDARY; | |
699 | } else if (strcmp(*argv, "tentative") == 0) { | |
700 | filter.flags |= IFA_F_TENTATIVE; | |
701 | filter.flagmask |= IFA_F_TENTATIVE; | |
702 | } else if (strcmp(*argv, "deprecated") == 0) { | |
703 | filter.flags |= IFA_F_DEPRECATED; | |
704 | filter.flagmask |= IFA_F_DEPRECATED; | |
bac735c5 NT |
705 | } else if (strcmp(*argv, "home") == 0) { |
706 | filter.flags |= IFA_F_HOMEADDRESS; | |
707 | filter.flagmask |= IFA_F_HOMEADDRESS; | |
708 | } else if (strcmp(*argv, "nodad") == 0) { | |
709 | filter.flags |= IFA_F_NODAD; | |
710 | filter.flagmask |= IFA_F_NODAD; | |
a1f27794 BH |
711 | } else if (strcmp(*argv, "dadfailed") == 0) { |
712 | filter.flags |= IFA_F_DADFAILED; | |
713 | filter.flagmask |= IFA_F_DADFAILED; | |
aba5acdf SH |
714 | } else if (strcmp(*argv, "label") == 0) { |
715 | NEXT_ARG(); | |
716 | filter.label = *argv; | |
717 | } else { | |
718 | if (strcmp(*argv, "dev") == 0) { | |
719 | NEXT_ARG(); | |
720 | } | |
721 | if (matches(*argv, "help") == 0) | |
722 | usage(); | |
723 | if (filter_dev) | |
724 | duparg2("dev", *argv); | |
725 | filter_dev = *argv; | |
726 | } | |
727 | argv++; argc--; | |
728 | } | |
729 | ||
aba5acdf SH |
730 | if (rtnl_wilddump_request(&rth, preferred_family, RTM_GETLINK) < 0) { |
731 | perror("Cannot send dump request"); | |
732 | exit(1); | |
733 | } | |
734 | ||
735 | if (rtnl_dump_filter(&rth, store_nlmsg, &linfo, NULL, NULL) < 0) { | |
736 | fprintf(stderr, "Dump terminated\n"); | |
737 | exit(1); | |
738 | } | |
739 | ||
740 | if (filter_dev) { | |
741 | filter.ifindex = ll_name_to_index(filter_dev); | |
742 | if (filter.ifindex <= 0) { | |
743 | fprintf(stderr, "Device \"%s\" does not exist.\n", filter_dev); | |
744 | return -1; | |
745 | } | |
746 | } | |
747 | ||
748 | if (flush) { | |
749 | int round = 0; | |
750 | char flushb[4096-512]; | |
751 | ||
752 | filter.flushb = flushb; | |
753 | filter.flushp = 0; | |
754 | filter.flushe = sizeof(flushb); | |
aba5acdf | 755 | |
7b3d366e | 756 | while (round < MAX_ROUNDS) { |
b49240ec SH |
757 | const struct rtnl_dump_filter_arg a[3] = { |
758 | { | |
759 | .filter = print_addrinfo_secondary, | |
760 | .arg1 = stdout, | |
761 | .junk = NULL, | |
762 | .arg2 = NULL | |
763 | }, | |
764 | { | |
765 | .filter = print_addrinfo_primary, | |
766 | .arg1 = stdout, | |
767 | .junk = NULL, | |
768 | .arg2 = NULL | |
769 | }, | |
770 | { | |
771 | .filter = NULL, | |
772 | .arg1 = NULL, | |
773 | .junk = NULL, | |
774 | .arg2 = NULL | |
775 | }, | |
776 | }; | |
aba5acdf SH |
777 | if (rtnl_wilddump_request(&rth, filter.family, RTM_GETADDR) < 0) { |
778 | perror("Cannot send dump request"); | |
779 | exit(1); | |
780 | } | |
781 | filter.flushed = 0; | |
b49240ec | 782 | if (rtnl_dump_filter_l(&rth, a) < 0) { |
aba5acdf SH |
783 | fprintf(stderr, "Flush terminated\n"); |
784 | exit(1); | |
785 | } | |
786 | if (filter.flushed == 0) { | |
f0b34d2d AH |
787 | if (show_stats) { |
788 | if (round == 0) | |
789 | printf("Nothing to flush.\n"); | |
790 | else | |
791 | printf("*** Flush is complete after %d round%s ***\n", round, round>1?"s":""); | |
792 | } | |
aba5acdf SH |
793 | fflush(stdout); |
794 | return 0; | |
795 | } | |
796 | round++; | |
797 | if (flush_update() < 0) | |
351efcde SH |
798 | return 1; |
799 | ||
aba5acdf SH |
800 | if (show_stats) { |
801 | printf("\n*** Round %d, deleting %d addresses ***\n", round, filter.flushed); | |
802 | fflush(stdout); | |
803 | } | |
804 | } | |
7b3d366e DS |
805 | fprintf(stderr, "*** Flush remains incomplete after %d rounds. ***\n", MAX_ROUNDS); fflush(stderr); |
806 | return 1; | |
aba5acdf SH |
807 | } |
808 | ||
809 | if (filter.family != AF_PACKET) { | |
810 | if (rtnl_wilddump_request(&rth, filter.family, RTM_GETADDR) < 0) { | |
811 | perror("Cannot send dump request"); | |
812 | exit(1); | |
813 | } | |
814 | ||
815 | if (rtnl_dump_filter(&rth, store_nlmsg, &ainfo, NULL, NULL) < 0) { | |
816 | fprintf(stderr, "Dump terminated\n"); | |
817 | exit(1); | |
818 | } | |
819 | } | |
820 | ||
821 | ||
822 | if (filter.family && filter.family != AF_PACKET) { | |
823 | struct nlmsg_list **lp; | |
824 | lp=&linfo; | |
825 | ||
826 | if (filter.oneline) | |
827 | no_link = 1; | |
828 | ||
829 | while ((l=*lp)!=NULL) { | |
830 | int ok = 0; | |
831 | struct ifinfomsg *ifi = NLMSG_DATA(&l->h); | |
832 | struct nlmsg_list *a; | |
833 | ||
834 | for (a=ainfo; a; a=a->next) { | |
835 | struct nlmsghdr *n = &a->h; | |
836 | struct ifaddrmsg *ifa = NLMSG_DATA(n); | |
837 | ||
ae665a52 | 838 | if (ifa->ifa_index != ifi->ifi_index || |
aba5acdf SH |
839 | (filter.family && filter.family != ifa->ifa_family)) |
840 | continue; | |
841 | if ((filter.scope^ifa->ifa_scope)&filter.scopemask) | |
842 | continue; | |
843 | if ((filter.flags^ifa->ifa_flags)&filter.flagmask) | |
844 | continue; | |
845 | if (filter.pfx.family || filter.label) { | |
846 | struct rtattr *tb[IFA_MAX+1]; | |
aba5acdf SH |
847 | parse_rtattr(tb, IFA_MAX, IFA_RTA(ifa), IFA_PAYLOAD(n)); |
848 | if (!tb[IFA_LOCAL]) | |
849 | tb[IFA_LOCAL] = tb[IFA_ADDRESS]; | |
850 | ||
851 | if (filter.pfx.family && tb[IFA_LOCAL]) { | |
852 | inet_prefix dst; | |
853 | memset(&dst, 0, sizeof(dst)); | |
854 | dst.family = ifa->ifa_family; | |
855 | memcpy(&dst.data, RTA_DATA(tb[IFA_LOCAL]), RTA_PAYLOAD(tb[IFA_LOCAL])); | |
856 | if (inet_addr_match(&dst, &filter.pfx, filter.pfx.bitlen)) | |
857 | continue; | |
858 | } | |
859 | if (filter.label) { | |
860 | SPRINT_BUF(b1); | |
861 | const char *label; | |
862 | if (tb[IFA_LABEL]) | |
863 | label = RTA_DATA(tb[IFA_LABEL]); | |
864 | else | |
865 | label = ll_idx_n2a(ifa->ifa_index, b1); | |
866 | if (fnmatch(filter.label, label, 0) != 0) | |
867 | continue; | |
868 | } | |
869 | } | |
870 | ||
871 | ok = 1; | |
872 | break; | |
873 | } | |
874 | if (!ok) | |
875 | *lp = l->next; | |
876 | else | |
877 | lp = &l->next; | |
878 | } | |
879 | } | |
880 | ||
8ed63ab1 SH |
881 | for (l=linfo; l; l = n) { |
882 | n = l->next; | |
aba5acdf SH |
883 | if (no_link || print_linkinfo(NULL, &l->h, stdout) == 0) { |
884 | struct ifinfomsg *ifi = NLMSG_DATA(&l->h); | |
885 | if (filter.family != AF_PACKET) | |
886 | print_selected_addrinfo(ifi->ifi_index, ainfo, stdout); | |
887 | } | |
888 | fflush(stdout); | |
8ed63ab1 | 889 | free(l); |
aba5acdf SH |
890 | } |
891 | ||
351efcde | 892 | return 0; |
aba5acdf SH |
893 | } |
894 | ||
895 | int ipaddr_list_link(int argc, char **argv) | |
896 | { | |
897 | preferred_family = AF_PACKET; | |
898 | do_link = 1; | |
899 | return ipaddr_list_or_flush(argc, argv, 0); | |
900 | } | |
901 | ||
902 | void ipaddr_reset_filter(int oneline) | |
903 | { | |
904 | memset(&filter, 0, sizeof(filter)); | |
905 | filter.oneline = oneline; | |
906 | } | |
907 | ||
3d866ba2 | 908 | static int default_scope(inet_prefix *lcl) |
aba5acdf SH |
909 | { |
910 | if (lcl->family == AF_INET) { | |
911 | if (lcl->bytelen >= 1 && *(__u8*)&lcl->data == 127) | |
912 | return RT_SCOPE_HOST; | |
913 | } | |
914 | return 0; | |
915 | } | |
916 | ||
3d866ba2 | 917 | static int ipaddr_modify(int cmd, int flags, int argc, char **argv) |
aba5acdf | 918 | { |
aba5acdf SH |
919 | struct { |
920 | struct nlmsghdr n; | |
921 | struct ifaddrmsg ifa; | |
922 | char buf[256]; | |
923 | } req; | |
924 | char *d = NULL; | |
925 | char *l = NULL; | |
f082b64f | 926 | char *lcl_arg = NULL; |
35546df7 MN |
927 | char *valid_lftp = NULL; |
928 | char *preferred_lftp = NULL; | |
aba5acdf SH |
929 | inet_prefix lcl; |
930 | inet_prefix peer; | |
931 | int local_len = 0; | |
932 | int peer_len = 0; | |
933 | int brd_len = 0; | |
934 | int any_len = 0; | |
935 | int scoped = 0; | |
141bb606 MN |
936 | __u32 preferred_lft = INFINITY_LIFE_TIME; |
937 | __u32 valid_lft = INFINITY_LIFE_TIME; | |
35546df7 | 938 | struct ifa_cacheinfo cinfo; |
aba5acdf SH |
939 | |
940 | memset(&req, 0, sizeof(req)); | |
941 | ||
942 | req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg)); | |
0aef366b | 943 | req.n.nlmsg_flags = NLM_F_REQUEST | flags; |
aba5acdf SH |
944 | req.n.nlmsg_type = cmd; |
945 | req.ifa.ifa_family = preferred_family; | |
946 | ||
947 | while (argc > 0) { | |
948 | if (strcmp(*argv, "peer") == 0 || | |
949 | strcmp(*argv, "remote") == 0) { | |
950 | NEXT_ARG(); | |
951 | ||
952 | if (peer_len) | |
953 | duparg("peer", *argv); | |
954 | get_prefix(&peer, *argv, req.ifa.ifa_family); | |
955 | peer_len = peer.bytelen; | |
956 | if (req.ifa.ifa_family == AF_UNSPEC) | |
957 | req.ifa.ifa_family = peer.family; | |
958 | addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &peer.data, peer.bytelen); | |
959 | req.ifa.ifa_prefixlen = peer.bitlen; | |
960 | } else if (matches(*argv, "broadcast") == 0 || | |
961 | strcmp(*argv, "brd") == 0) { | |
962 | inet_prefix addr; | |
963 | NEXT_ARG(); | |
964 | if (brd_len) | |
965 | duparg("broadcast", *argv); | |
966 | if (strcmp(*argv, "+") == 0) | |
967 | brd_len = -1; | |
968 | else if (strcmp(*argv, "-") == 0) | |
969 | brd_len = -2; | |
970 | else { | |
971 | get_addr(&addr, *argv, req.ifa.ifa_family); | |
972 | if (req.ifa.ifa_family == AF_UNSPEC) | |
973 | req.ifa.ifa_family = addr.family; | |
974 | addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &addr.data, addr.bytelen); | |
975 | brd_len = addr.bytelen; | |
976 | } | |
977 | } else if (strcmp(*argv, "anycast") == 0) { | |
978 | inet_prefix addr; | |
979 | NEXT_ARG(); | |
980 | if (any_len) | |
981 | duparg("anycast", *argv); | |
982 | get_addr(&addr, *argv, req.ifa.ifa_family); | |
983 | if (req.ifa.ifa_family == AF_UNSPEC) | |
984 | req.ifa.ifa_family = addr.family; | |
985 | addattr_l(&req.n, sizeof(req), IFA_ANYCAST, &addr.data, addr.bytelen); | |
986 | any_len = addr.bytelen; | |
987 | } else if (strcmp(*argv, "scope") == 0) { | |
f332d169 | 988 | unsigned scope = 0; |
aba5acdf SH |
989 | NEXT_ARG(); |
990 | if (rtnl_rtscope_a2n(&scope, *argv)) | |
991 | invarg(*argv, "invalid scope value."); | |
992 | req.ifa.ifa_scope = scope; | |
993 | scoped = 1; | |
994 | } else if (strcmp(*argv, "dev") == 0) { | |
995 | NEXT_ARG(); | |
996 | d = *argv; | |
997 | } else if (strcmp(*argv, "label") == 0) { | |
998 | NEXT_ARG(); | |
999 | l = *argv; | |
1000 | addattr_l(&req.n, sizeof(req), IFA_LABEL, l, strlen(l)+1); | |
35546df7 MN |
1001 | } else if (matches(*argv, "valid_lft") == 0) { |
1002 | if (valid_lftp) | |
1003 | duparg("valid_lft", *argv); | |
1004 | NEXT_ARG(); | |
1005 | valid_lftp = *argv; | |
1006 | if (set_lifetime(&valid_lft, *argv)) | |
1007 | invarg("valid_lft value", *argv); | |
1008 | } else if (matches(*argv, "preferred_lft") == 0) { | |
1009 | if (preferred_lftp) | |
1010 | duparg("preferred_lft", *argv); | |
1011 | NEXT_ARG(); | |
1012 | preferred_lftp = *argv; | |
1013 | if (set_lifetime(&preferred_lft, *argv)) | |
1014 | invarg("preferred_lft value", *argv); | |
bac735c5 NT |
1015 | } else if (strcmp(*argv, "home") == 0) { |
1016 | req.ifa.ifa_flags |= IFA_F_HOMEADDRESS; | |
1017 | } else if (strcmp(*argv, "nodad") == 0) { | |
1018 | req.ifa.ifa_flags |= IFA_F_NODAD; | |
aba5acdf SH |
1019 | } else { |
1020 | if (strcmp(*argv, "local") == 0) { | |
1021 | NEXT_ARG(); | |
1022 | } | |
1023 | if (matches(*argv, "help") == 0) | |
1024 | usage(); | |
1025 | if (local_len) | |
1026 | duparg2("local", *argv); | |
f082b64f | 1027 | lcl_arg = *argv; |
aba5acdf SH |
1028 | get_prefix(&lcl, *argv, req.ifa.ifa_family); |
1029 | if (req.ifa.ifa_family == AF_UNSPEC) | |
1030 | req.ifa.ifa_family = lcl.family; | |
1031 | addattr_l(&req.n, sizeof(req), IFA_LOCAL, &lcl.data, lcl.bytelen); | |
1032 | local_len = lcl.bytelen; | |
1033 | } | |
1034 | argc--; argv++; | |
1035 | } | |
1036 | if (d == NULL) { | |
1037 | fprintf(stderr, "Not enough information: \"dev\" argument is required.\n"); | |
1038 | return -1; | |
1039 | } | |
1040 | if (l && matches(d, l) != 0) { | |
1041 | fprintf(stderr, "\"dev\" (%s) must match \"label\" (%s).\n", d, l); | |
1db61e02 | 1042 | return -1; |
aba5acdf SH |
1043 | } |
1044 | ||
f082b64f | 1045 | if (peer_len == 0 && local_len) { |
1046 | if (cmd == RTM_DELADDR && lcl.family == AF_INET && !(lcl.flags & PREFIXLEN_SPECIFIED)) { | |
1047 | fprintf(stderr, | |
1048 | "Warning: Executing wildcard deletion to stay compatible with old scripts.\n" \ | |
1049 | " Explicitly specify the prefix length (%s/%d) to avoid this warning.\n" \ | |
1050 | " This special behaviour is likely to disappear in further releases,\n" \ | |
1051 | " fix your scripts!\n", lcl_arg, local_len*8); | |
1052 | } else { | |
1053 | peer = lcl; | |
1054 | addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &lcl.data, lcl.bytelen); | |
1055 | } | |
aba5acdf SH |
1056 | } |
1057 | if (req.ifa.ifa_prefixlen == 0) | |
1058 | req.ifa.ifa_prefixlen = lcl.bitlen; | |
1059 | ||
1060 | if (brd_len < 0 && cmd != RTM_DELADDR) { | |
1061 | inet_prefix brd; | |
1062 | int i; | |
1063 | if (req.ifa.ifa_family != AF_INET) { | |
1064 | fprintf(stderr, "Broadcast can be set only for IPv4 addresses\n"); | |
1065 | return -1; | |
1066 | } | |
1067 | brd = peer; | |
1068 | if (brd.bitlen <= 30) { | |
1069 | for (i=31; i>=brd.bitlen; i--) { | |
1070 | if (brd_len == -1) | |
1071 | brd.data[0] |= htonl(1<<(31-i)); | |
1072 | else | |
1073 | brd.data[0] &= ~htonl(1<<(31-i)); | |
1074 | } | |
1075 | addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &brd.data, brd.bytelen); | |
1076 | brd_len = brd.bytelen; | |
1077 | } | |
1078 | } | |
1079 | if (!scoped && cmd != RTM_DELADDR) | |
1080 | req.ifa.ifa_scope = default_scope(&lcl); | |
1081 | ||
aba5acdf SH |
1082 | ll_init_map(&rth); |
1083 | ||
1084 | if ((req.ifa.ifa_index = ll_name_to_index(d)) == 0) { | |
1085 | fprintf(stderr, "Cannot find device \"%s\"\n", d); | |
1086 | return -1; | |
1087 | } | |
1088 | ||
35546df7 MN |
1089 | if (valid_lftp || preferred_lftp) { |
1090 | if (!valid_lft) { | |
1091 | fprintf(stderr, "valid_lft is zero\n"); | |
1092 | return -1; | |
1093 | } | |
1094 | if (valid_lft < preferred_lft) { | |
1095 | fprintf(stderr, "preferred_lft is greater than valid_lft\n"); | |
1096 | return -1; | |
1097 | } | |
1098 | ||
1099 | memset(&cinfo, 0, sizeof(cinfo)); | |
1100 | cinfo.ifa_prefered = preferred_lft; | |
1101 | cinfo.ifa_valid = valid_lft; | |
1102 | addattr_l(&req.n, sizeof(req), IFA_CACHEINFO, &cinfo, | |
1103 | sizeof(cinfo)); | |
1104 | } | |
1105 | ||
aba5acdf | 1106 | if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0) |
1db61e02 | 1107 | return -2; |
aba5acdf | 1108 | |
351efcde | 1109 | return 0; |
aba5acdf SH |
1110 | } |
1111 | ||
1112 | int do_ipaddr(int argc, char **argv) | |
1113 | { | |
1114 | if (argc < 1) | |
1115 | return ipaddr_list_or_flush(0, NULL, 0); | |
1116 | if (matches(*argv, "add") == 0) | |
0aef366b NT |
1117 | return ipaddr_modify(RTM_NEWADDR, NLM_F_CREATE|NLM_F_EXCL, argc-1, argv+1); |
1118 | if (matches(*argv, "change") == 0 || | |
1119 | strcmp(*argv, "chg") == 0) | |
1120 | return ipaddr_modify(RTM_NEWADDR, NLM_F_REPLACE, argc-1, argv+1); | |
1121 | if (matches(*argv, "replace") == 0) | |
1122 | return ipaddr_modify(RTM_NEWADDR, NLM_F_CREATE|NLM_F_REPLACE, argc-1, argv+1); | |
aba5acdf | 1123 | if (matches(*argv, "delete") == 0) |
0aef366b | 1124 | return ipaddr_modify(RTM_DELADDR, 0, argc-1, argv+1); |
aba5acdf SH |
1125 | if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0 |
1126 | || matches(*argv, "lst") == 0) | |
1127 | return ipaddr_list_or_flush(argc-1, argv+1, 0); | |
1128 | if (matches(*argv, "flush") == 0) | |
1129 | return ipaddr_list_or_flush(argc-1, argv+1, 1); | |
1130 | if (matches(*argv, "help") == 0) | |
1131 | usage(); | |
b096fa5f | 1132 | fprintf(stderr, "Command \"%s\" is unknown, try \"ip addr help\".\n", *argv); |
aba5acdf SH |
1133 | exit(-1); |
1134 | } | |
1135 |