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718e3744 | 1 | /* |
2 | * Common ioctl functions. | |
3 | * Copyright (C) 1997, 98 Kunihiro Ishiguro | |
4 | * | |
5 | * This file is part of GNU Zebra. | |
6 | * | |
7 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * GNU Zebra is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
896014f4 DL |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with this program; see the file COPYING; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 20 | */ |
21 | ||
22 | #include <zebra.h> | |
23 | ||
24 | #include "linklist.h" | |
25 | #include "if.h" | |
26 | #include "prefix.h" | |
27 | #include "ioctl.h" | |
28 | #include "log.h" | |
edd7c245 | 29 | #include "privs.h" |
718e3744 | 30 | |
5e6a74d8 | 31 | #include "vty.h" |
718e3744 | 32 | #include "zebra/rib.h" |
33 | #include "zebra/rt.h" | |
5c78b3d0 | 34 | #include "zebra/interface.h" |
718e3744 | 35 | |
ddfeb486 DL |
36 | #ifndef SUNOS_5 |
37 | ||
55edb0d4 AS |
38 | #ifdef HAVE_BSD_LINK_DETECT |
39 | #include <net/if_media.h> | |
40 | #endif /* HAVE_BSD_LINK_DETECT*/ | |
41 | ||
edd7c245 | 42 | extern struct zebra_privs_t zserv_privs; |
43 | ||
718e3744 | 44 | /* clear and set interface name string */ |
d62a17ae | 45 | void ifreq_set_name(struct ifreq *ifreq, struct interface *ifp) |
718e3744 | 46 | { |
0af35d90 | 47 | strlcpy(ifreq->ifr_name, ifp->name, sizeof(ifreq->ifr_name)); |
718e3744 | 48 | } |
49 | ||
50 | /* call ioctl system call */ | |
d62a17ae | 51 | int if_ioctl(u_long request, caddr_t buffer) |
718e3744 | 52 | { |
d62a17ae | 53 | int sock; |
54 | int ret; | |
55 | int err = 0; | |
56 | ||
57 | if (zserv_privs.change(ZPRIVS_RAISE)) | |
58 | zlog_err("Can't raise privileges"); | |
59 | sock = socket(AF_INET, SOCK_DGRAM, 0); | |
60 | if (sock < 0) { | |
61 | int save_errno = errno; | |
4db21619 | 62 | |
d62a17ae | 63 | if (zserv_privs.change(ZPRIVS_LOWER)) |
64 | zlog_err("Can't lower privileges"); | |
65 | zlog_err("Cannot create UDP socket: %s", | |
66 | safe_strerror(save_errno)); | |
67 | exit(1); | |
68 | } | |
69 | if ((ret = ioctl(sock, request, buffer)) < 0) | |
70 | err = errno; | |
71 | if (zserv_privs.change(ZPRIVS_LOWER)) | |
72 | zlog_err("Can't lower privileges"); | |
73 | close(sock); | |
74 | ||
75 | if (ret < 0) { | |
76 | errno = err; | |
77 | return ret; | |
78 | } | |
79 | return 0; | |
718e3744 | 80 | } |
81 | ||
4db21619 PG |
82 | /* call ioctl system call */ |
83 | int vrf_if_ioctl(u_long request, caddr_t buffer, vrf_id_t vrf_id) | |
84 | { | |
85 | int sock; | |
86 | int ret; | |
87 | int err = 0; | |
88 | ||
89 | if (zserv_privs.change(ZPRIVS_RAISE)) | |
90 | zlog_err("Can't raise privileges"); | |
91 | sock = vrf_socket(AF_INET, SOCK_DGRAM, 0, vrf_id, NULL); | |
92 | if (sock < 0) { | |
93 | int save_errno = errno; | |
94 | ||
95 | if (zserv_privs.change(ZPRIVS_LOWER)) | |
96 | zlog_err("Can't lower privileges"); | |
97 | zlog_err("Cannot create UDP socket: %s", | |
98 | safe_strerror(save_errno)); | |
99 | exit(1); | |
100 | } | |
101 | ret = vrf_ioctl(vrf_id, sock, request, buffer); | |
102 | if (ret < 0) | |
103 | err = errno; | |
104 | if (zserv_privs.change(ZPRIVS_LOWER)) | |
105 | zlog_err("Can't lower privileges"); | |
106 | close(sock); | |
107 | ||
108 | if (ret < 0) { | |
109 | errno = err; | |
110 | return ret; | |
111 | } | |
112 | return 0; | |
113 | } | |
114 | ||
e86b71f1 | 115 | #ifndef HAVE_NETLINK |
d62a17ae | 116 | static int if_ioctl_ipv6(u_long request, caddr_t buffer) |
718e3744 | 117 | { |
d62a17ae | 118 | int sock; |
119 | int ret; | |
120 | int err = 0; | |
121 | ||
122 | if (zserv_privs.change(ZPRIVS_RAISE)) | |
123 | zlog_err("Can't raise privileges"); | |
124 | sock = socket(AF_INET6, SOCK_DGRAM, 0); | |
125 | if (sock < 0) { | |
126 | int save_errno = errno; | |
4db21619 | 127 | |
d62a17ae | 128 | if (zserv_privs.change(ZPRIVS_LOWER)) |
129 | zlog_err("Can't lower privileges"); | |
130 | zlog_err("Cannot create IPv6 datagram socket: %s", | |
131 | safe_strerror(save_errno)); | |
132 | exit(1); | |
133 | } | |
134 | ||
135 | if ((ret = ioctl(sock, request, buffer)) < 0) | |
136 | err = errno; | |
137 | if (zserv_privs.change(ZPRIVS_LOWER)) | |
138 | zlog_err("Can't lower privileges"); | |
139 | close(sock); | |
140 | ||
141 | if (ret < 0) { | |
142 | errno = err; | |
143 | return ret; | |
144 | } | |
145 | return 0; | |
718e3744 | 146 | } |
e86b71f1 | 147 | #endif /* ! HAVE_NETLINK */ |
718e3744 | 148 | |
149 | /* | |
150 | * get interface metric | |
151 | * -- if value is not avaliable set -1 | |
152 | */ | |
d62a17ae | 153 | void if_get_metric(struct interface *ifp) |
718e3744 | 154 | { |
155 | #ifdef SIOCGIFMETRIC | |
d62a17ae | 156 | struct ifreq ifreq; |
718e3744 | 157 | |
d62a17ae | 158 | ifreq_set_name(&ifreq, ifp); |
718e3744 | 159 | |
4db21619 | 160 | if (vrf_if_ioctl(SIOCGIFMETRIC, (caddr_t)&ifreq, ifp->vrf_id) < 0) |
d62a17ae | 161 | return; |
162 | ifp->metric = ifreq.ifr_metric; | |
163 | if (ifp->metric == 0) | |
164 | ifp->metric = 1; | |
165 | #else /* SIOCGIFMETRIC */ | |
166 | ifp->metric = -1; | |
718e3744 | 167 | #endif /* SIOCGIFMETRIC */ |
168 | } | |
169 | ||
170 | /* get interface MTU */ | |
d62a17ae | 171 | void if_get_mtu(struct interface *ifp) |
718e3744 | 172 | { |
d62a17ae | 173 | struct ifreq ifreq; |
718e3744 | 174 | |
d62a17ae | 175 | ifreq_set_name(&ifreq, ifp); |
718e3744 | 176 | |
177 | #if defined(SIOCGIFMTU) | |
4db21619 | 178 | if (vrf_if_ioctl(SIOCGIFMTU, (caddr_t)&ifreq, ifp->vrf_id) < 0) { |
d62a17ae | 179 | zlog_info("Can't lookup mtu by ioctl(SIOCGIFMTU)"); |
180 | ifp->mtu6 = ifp->mtu = -1; | |
181 | return; | |
182 | } | |
718e3744 | 183 | |
184 | #ifdef SUNOS_5 | |
d62a17ae | 185 | ifp->mtu6 = ifp->mtu = ifreq.ifr_metric; |
718e3744 | 186 | #else |
d62a17ae | 187 | ifp->mtu6 = ifp->mtu = ifreq.ifr_mtu; |
718e3744 | 188 | #endif /* SUNOS_5 */ |
189 | ||
d62a17ae | 190 | /* propogate */ |
191 | zebra_interface_up_update(ifp); | |
f5e004f7 | 192 | |
718e3744 | 193 | #else |
d62a17ae | 194 | zlog_info("Can't lookup mtu on this system"); |
195 | ifp->mtu6 = ifp->mtu = -1; | |
718e3744 | 196 | #endif |
197 | } | |
198 | ||
199 | #ifdef HAVE_NETLINK | |
200 | /* Interface address setting via netlink interface. */ | |
d62a17ae | 201 | int if_set_prefix(struct interface *ifp, struct connected *ifc) |
718e3744 | 202 | { |
d62a17ae | 203 | return kernel_address_add_ipv4(ifp, ifc); |
718e3744 | 204 | } |
205 | ||
206 | /* Interface address is removed using netlink interface. */ | |
d62a17ae | 207 | int if_unset_prefix(struct interface *ifp, struct connected *ifc) |
718e3744 | 208 | { |
d62a17ae | 209 | return kernel_address_delete_ipv4(ifp, ifc); |
718e3744 | 210 | } |
211 | #else /* ! HAVE_NETLINK */ | |
6f0e3f6e | 212 | #ifdef HAVE_STRUCT_IFALIASREQ |
718e3744 | 213 | /* Set up interface's IP address, netmask (and broadcas? ). *BSD may |
214 | has ifaliasreq structure. */ | |
d62a17ae | 215 | int if_set_prefix(struct interface *ifp, struct connected *ifc) |
718e3744 | 216 | { |
d62a17ae | 217 | int ret; |
218 | struct ifaliasreq addreq; | |
5a41e961 | 219 | struct sockaddr_in addr, mask, peer; |
d62a17ae | 220 | struct prefix_ipv4 *p; |
718e3744 | 221 | |
5a41e961 DL |
222 | /* don't configure PtP addresses on broadcast ifs or reverse */ |
223 | if (!(ifp->flags & IFF_POINTOPOINT) != !CONNECTED_PEER(ifc)) { | |
224 | errno = EINVAL; | |
225 | return -1; | |
226 | } | |
227 | ||
d62a17ae | 228 | p = (struct prefix_ipv4 *)ifc->address; |
229 | rib_lookup_and_pushup(p, ifp->vrf_id); | |
718e3744 | 230 | |
d62a17ae | 231 | memset(&addreq, 0, sizeof addreq); |
232 | strncpy((char *)&addreq.ifra_name, ifp->name, sizeof addreq.ifra_name); | |
718e3744 | 233 | |
d62a17ae | 234 | memset(&addr, 0, sizeof(struct sockaddr_in)); |
235 | addr.sin_addr = p->prefix; | |
236 | addr.sin_family = p->family; | |
6f0e3f6e | 237 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
d62a17ae | 238 | addr.sin_len = sizeof(struct sockaddr_in); |
718e3744 | 239 | #endif |
d62a17ae | 240 | memcpy(&addreq.ifra_addr, &addr, sizeof(struct sockaddr_in)); |
718e3744 | 241 | |
5a41e961 DL |
242 | if (CONNECTED_PEER(ifc)) { |
243 | p = (struct prefix_ipv4 *)ifc->destination; | |
244 | memset(&mask, 0, sizeof(struct sockaddr_in)); | |
245 | peer.sin_addr = p->prefix; | |
246 | peer.sin_family = p->family; | |
247 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN | |
248 | peer.sin_len = sizeof(struct sockaddr_in); | |
249 | #endif | |
250 | memcpy(&addreq.ifra_broadaddr, &peer, | |
251 | sizeof(struct sockaddr_in)); | |
252 | } | |
253 | ||
d62a17ae | 254 | memset(&mask, 0, sizeof(struct sockaddr_in)); |
255 | masklen2ip(p->prefixlen, &mask.sin_addr); | |
256 | mask.sin_family = p->family; | |
6f0e3f6e | 257 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
d62a17ae | 258 | mask.sin_len = sizeof(struct sockaddr_in); |
718e3744 | 259 | #endif |
d62a17ae | 260 | memcpy(&addreq.ifra_mask, &mask, sizeof(struct sockaddr_in)); |
261 | ||
262 | ret = if_ioctl(SIOCAIFADDR, (caddr_t)&addreq); | |
263 | if (ret < 0) | |
264 | return ret; | |
265 | return 0; | |
718e3744 | 266 | } |
267 | ||
268 | /* Set up interface's IP address, netmask (and broadcas? ). *BSD may | |
269 | has ifaliasreq structure. */ | |
d62a17ae | 270 | int if_unset_prefix(struct interface *ifp, struct connected *ifc) |
718e3744 | 271 | { |
d62a17ae | 272 | int ret; |
273 | struct ifaliasreq addreq; | |
5a41e961 | 274 | struct sockaddr_in addr, mask, peer; |
d62a17ae | 275 | struct prefix_ipv4 *p; |
718e3744 | 276 | |
5a41e961 DL |
277 | /* this would probably wreak havoc */ |
278 | if (!(ifp->flags & IFF_POINTOPOINT) != !CONNECTED_PEER(ifc)) { | |
279 | errno = EINVAL; | |
280 | return -1; | |
281 | } | |
282 | ||
d62a17ae | 283 | p = (struct prefix_ipv4 *)ifc->address; |
718e3744 | 284 | |
d62a17ae | 285 | memset(&addreq, 0, sizeof addreq); |
286 | strncpy((char *)&addreq.ifra_name, ifp->name, sizeof addreq.ifra_name); | |
718e3744 | 287 | |
d62a17ae | 288 | memset(&addr, 0, sizeof(struct sockaddr_in)); |
289 | addr.sin_addr = p->prefix; | |
290 | addr.sin_family = p->family; | |
6f0e3f6e | 291 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
d62a17ae | 292 | addr.sin_len = sizeof(struct sockaddr_in); |
718e3744 | 293 | #endif |
d62a17ae | 294 | memcpy(&addreq.ifra_addr, &addr, sizeof(struct sockaddr_in)); |
718e3744 | 295 | |
5a41e961 DL |
296 | if (CONNECTED_PEER(ifc)) { |
297 | p = (struct prefix_ipv4 *)ifc->destination; | |
298 | memset(&mask, 0, sizeof(struct sockaddr_in)); | |
299 | peer.sin_addr = p->prefix; | |
300 | peer.sin_family = p->family; | |
301 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN | |
302 | peer.sin_len = sizeof(struct sockaddr_in); | |
303 | #endif | |
304 | memcpy(&addreq.ifra_broadaddr, &peer, | |
305 | sizeof(struct sockaddr_in)); | |
306 | } | |
307 | ||
d62a17ae | 308 | memset(&mask, 0, sizeof(struct sockaddr_in)); |
309 | masklen2ip(p->prefixlen, &mask.sin_addr); | |
310 | mask.sin_family = p->family; | |
6f0e3f6e | 311 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
d62a17ae | 312 | mask.sin_len = sizeof(struct sockaddr_in); |
718e3744 | 313 | #endif |
d62a17ae | 314 | memcpy(&addreq.ifra_mask, &mask, sizeof(struct sockaddr_in)); |
315 | ||
316 | ret = if_ioctl(SIOCDIFADDR, (caddr_t)&addreq); | |
317 | if (ret < 0) | |
318 | return ret; | |
319 | return 0; | |
718e3744 | 320 | } |
321 | #else | |
322 | /* Set up interface's address, netmask (and broadcas? ). Linux or | |
323 | Solaris uses ifname:number semantics to set IP address aliases. */ | |
d62a17ae | 324 | int if_set_prefix(struct interface *ifp, struct connected *ifc) |
718e3744 | 325 | { |
d62a17ae | 326 | int ret; |
327 | struct ifreq ifreq; | |
328 | struct sockaddr_in addr; | |
329 | struct sockaddr_in broad; | |
330 | struct sockaddr_in mask; | |
331 | struct prefix_ipv4 ifaddr; | |
332 | struct prefix_ipv4 *p; | |
333 | ||
334 | p = (struct prefix_ipv4 *)ifc->address; | |
335 | ||
336 | ifaddr = *p; | |
337 | ||
338 | ifreq_set_name(&ifreq, ifp); | |
339 | ||
340 | addr.sin_addr = p->prefix; | |
341 | addr.sin_family = p->family; | |
342 | memcpy(&ifreq.ifr_addr, &addr, sizeof(struct sockaddr_in)); | |
343 | ret = if_ioctl(SIOCSIFADDR, (caddr_t)&ifreq); | |
344 | if (ret < 0) | |
345 | return ret; | |
346 | ||
347 | /* We need mask for make broadcast addr. */ | |
348 | masklen2ip(p->prefixlen, &mask.sin_addr); | |
349 | ||
350 | if (if_is_broadcast(ifp)) { | |
351 | apply_mask_ipv4(&ifaddr); | |
352 | addr.sin_addr = ifaddr.prefix; | |
353 | ||
354 | broad.sin_addr.s_addr = | |
355 | (addr.sin_addr.s_addr | ~mask.sin_addr.s_addr); | |
356 | broad.sin_family = p->family; | |
357 | ||
358 | memcpy(&ifreq.ifr_broadaddr, &broad, | |
359 | sizeof(struct sockaddr_in)); | |
360 | ret = if_ioctl(SIOCSIFBRDADDR, (caddr_t)&ifreq); | |
361 | if (ret < 0) | |
362 | return ret; | |
363 | } | |
364 | ||
365 | mask.sin_family = p->family; | |
718e3744 | 366 | #ifdef SUNOS_5 |
d62a17ae | 367 | memcpy(&mask, &ifreq.ifr_addr, sizeof(mask)); |
718e3744 | 368 | #else |
d62a17ae | 369 | memcpy(&ifreq.ifr_netmask, &mask, sizeof(struct sockaddr_in)); |
718e3744 | 370 | #endif /* SUNOS5 */ |
d62a17ae | 371 | ret = if_ioctl(SIOCSIFNETMASK, (caddr_t)&ifreq); |
372 | if (ret < 0) | |
373 | return ret; | |
718e3744 | 374 | |
d62a17ae | 375 | return 0; |
718e3744 | 376 | } |
377 | ||
378 | /* Set up interface's address, netmask (and broadcas? ). Linux or | |
379 | Solaris uses ifname:number semantics to set IP address aliases. */ | |
d62a17ae | 380 | int if_unset_prefix(struct interface *ifp, struct connected *ifc) |
718e3744 | 381 | { |
d62a17ae | 382 | int ret; |
383 | struct ifreq ifreq; | |
384 | struct sockaddr_in addr; | |
385 | struct prefix_ipv4 *p; | |
718e3744 | 386 | |
d62a17ae | 387 | p = (struct prefix_ipv4 *)ifc->address; |
718e3744 | 388 | |
d62a17ae | 389 | ifreq_set_name(&ifreq, ifp); |
718e3744 | 390 | |
d62a17ae | 391 | memset(&addr, 0, sizeof(struct sockaddr_in)); |
392 | addr.sin_family = p->family; | |
393 | memcpy(&ifreq.ifr_addr, &addr, sizeof(struct sockaddr_in)); | |
394 | ret = if_ioctl(SIOCSIFADDR, (caddr_t)&ifreq); | |
395 | if (ret < 0) | |
396 | return ret; | |
718e3744 | 397 | |
d62a17ae | 398 | return 0; |
718e3744 | 399 | } |
6f0e3f6e | 400 | #endif /* HAVE_STRUCT_IFALIASREQ */ |
718e3744 | 401 | #endif /* HAVE_NETLINK */ |
402 | ||
403 | /* get interface flags */ | |
d62a17ae | 404 | void if_get_flags(struct interface *ifp) |
718e3744 | 405 | { |
d62a17ae | 406 | int ret; |
407 | struct ifreq ifreq; | |
c543a173 | 408 | #ifdef HAVE_BSD_LINK_DETECT |
d62a17ae | 409 | struct ifmediareq ifmr; |
c543a173 | 410 | #endif /* HAVE_BSD_LINK_DETECT */ |
718e3744 | 411 | |
d62a17ae | 412 | ifreq_set_name(&ifreq, ifp); |
718e3744 | 413 | |
4db21619 | 414 | ret = vrf_if_ioctl(SIOCGIFFLAGS, (caddr_t)&ifreq, ifp->vrf_id); |
d62a17ae | 415 | if (ret < 0) { |
4db21619 | 416 | zlog_err("vrf_if_ioctl(SIOCGIFFLAGS) failed: %s", |
d62a17ae | 417 | safe_strerror(errno)); |
418 | return; | |
419 | } | |
c543a173 | 420 | #ifdef HAVE_BSD_LINK_DETECT /* Detect BSD link-state at start-up */ |
0b3f3d47 | 421 | |
d62a17ae | 422 | /* Per-default, IFF_RUNNING is held high, unless link-detect says |
423 | * otherwise - we abuse IFF_RUNNING inside zebra as a link-state flag, | |
424 | * following practice on Linux and Solaris kernels | |
425 | */ | |
426 | SET_FLAG(ifreq.ifr_flags, IFF_RUNNING); | |
427 | ||
428 | if (CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION)) { | |
429 | (void)memset(&ifmr, 0, sizeof(ifmr)); | |
430 | strncpy(ifmr.ifm_name, ifp->name, IFNAMSIZ); | |
431 | ||
432 | /* Seems not all interfaces implement this ioctl */ | |
433 | if (if_ioctl(SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) | |
434 | zlog_err("if_ioctl(SIOCGIFMEDIA) failed: %s", | |
435 | safe_strerror(errno)); | |
436 | else if (ifmr.ifm_status & IFM_AVALID) /* Link state is valid */ | |
437 | { | |
438 | if (ifmr.ifm_status & IFM_ACTIVE) | |
439 | SET_FLAG(ifreq.ifr_flags, IFF_RUNNING); | |
440 | else | |
441 | UNSET_FLAG(ifreq.ifr_flags, IFF_RUNNING); | |
442 | } | |
443 | } | |
c543a173 | 444 | #endif /* HAVE_BSD_LINK_DETECT */ |
718e3744 | 445 | |
d62a17ae | 446 | if_flags_update(ifp, (ifreq.ifr_flags & 0x0000ffff)); |
718e3744 | 447 | } |
448 | ||
449 | /* Set interface flags */ | |
d62a17ae | 450 | int if_set_flags(struct interface *ifp, uint64_t flags) |
718e3744 | 451 | { |
d62a17ae | 452 | int ret; |
453 | struct ifreq ifreq; | |
718e3744 | 454 | |
d62a17ae | 455 | memset(&ifreq, 0, sizeof(struct ifreq)); |
456 | ifreq_set_name(&ifreq, ifp); | |
718e3744 | 457 | |
d62a17ae | 458 | ifreq.ifr_flags = ifp->flags; |
459 | ifreq.ifr_flags |= flags; | |
718e3744 | 460 | |
4db21619 | 461 | ret = vrf_if_ioctl(SIOCSIFFLAGS, (caddr_t)&ifreq, ifp->vrf_id); |
718e3744 | 462 | |
d62a17ae | 463 | if (ret < 0) { |
464 | zlog_info("can't set interface flags"); | |
465 | return ret; | |
466 | } | |
467 | return 0; | |
718e3744 | 468 | } |
469 | ||
470 | /* Unset interface's flag. */ | |
d62a17ae | 471 | int if_unset_flags(struct interface *ifp, uint64_t flags) |
718e3744 | 472 | { |
d62a17ae | 473 | int ret; |
474 | struct ifreq ifreq; | |
718e3744 | 475 | |
d62a17ae | 476 | memset(&ifreq, 0, sizeof(struct ifreq)); |
477 | ifreq_set_name(&ifreq, ifp); | |
718e3744 | 478 | |
d62a17ae | 479 | ifreq.ifr_flags = ifp->flags; |
480 | ifreq.ifr_flags &= ~flags; | |
718e3744 | 481 | |
4db21619 | 482 | ret = vrf_if_ioctl(SIOCSIFFLAGS, (caddr_t)&ifreq, ifp->vrf_id); |
718e3744 | 483 | |
d62a17ae | 484 | if (ret < 0) { |
485 | zlog_info("can't unset interface flags"); | |
486 | return ret; | |
487 | } | |
488 | return 0; | |
718e3744 | 489 | } |
490 | ||
718e3744 | 491 | #ifdef LINUX_IPV6 |
492 | #ifndef _LINUX_IN6_H | |
493 | /* linux/include/net/ipv6.h */ | |
d62a17ae | 494 | struct in6_ifreq { |
495 | struct in6_addr ifr6_addr; | |
496 | u_int32_t ifr6_prefixlen; | |
497 | int ifr6_ifindex; | |
718e3744 | 498 | }; |
499 | #endif /* _LINUX_IN6_H */ | |
718e3744 | 500 | /* Interface's address add/delete functions. */ |
d62a17ae | 501 | int if_prefix_add_ipv6(struct interface *ifp, struct connected *ifc) |
718e3744 | 502 | { |
e86b71f1 | 503 | #ifdef HAVE_NETLINK |
996c9314 | 504 | return kernel_address_add_ipv6(ifp, ifc); |
8aa416a6 | 505 | #endif /* HAVE_NETLINK */ |
718e3744 | 506 | } |
507 | ||
d62a17ae | 508 | int if_prefix_delete_ipv6(struct interface *ifp, struct connected *ifc) |
718e3744 | 509 | { |
e86b71f1 | 510 | #ifdef HAVE_NETLINK |
996c9314 | 511 | return kernel_address_delete_ipv6(ifp, ifc); |
8aa416a6 | 512 | #endif /* HAVE_NETLINK */ |
718e3744 | 513 | } |
514 | #else /* LINUX_IPV6 */ | |
6f0e3f6e | 515 | #ifdef HAVE_STRUCT_IN6_ALIASREQ |
718e3744 | 516 | #ifndef ND6_INFINITE_LIFETIME |
517 | #define ND6_INFINITE_LIFETIME 0xffffffffL | |
518 | #endif /* ND6_INFINITE_LIFETIME */ | |
d62a17ae | 519 | int if_prefix_add_ipv6(struct interface *ifp, struct connected *ifc) |
718e3744 | 520 | { |
d62a17ae | 521 | int ret; |
522 | struct in6_aliasreq addreq; | |
523 | struct sockaddr_in6 addr; | |
524 | struct sockaddr_in6 mask; | |
525 | struct prefix_ipv6 *p; | |
718e3744 | 526 | |
d62a17ae | 527 | p = (struct prefix_ipv6 *)ifc->address; |
718e3744 | 528 | |
d62a17ae | 529 | memset(&addreq, 0, sizeof addreq); |
530 | strncpy((char *)&addreq.ifra_name, ifp->name, sizeof addreq.ifra_name); | |
718e3744 | 531 | |
d62a17ae | 532 | memset(&addr, 0, sizeof(struct sockaddr_in6)); |
533 | addr.sin6_addr = p->prefix; | |
534 | addr.sin6_family = p->family; | |
6f0e3f6e | 535 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
d62a17ae | 536 | addr.sin6_len = sizeof(struct sockaddr_in6); |
718e3744 | 537 | #endif |
d62a17ae | 538 | memcpy(&addreq.ifra_addr, &addr, sizeof(struct sockaddr_in6)); |
718e3744 | 539 | |
d62a17ae | 540 | memset(&mask, 0, sizeof(struct sockaddr_in6)); |
541 | masklen2ip6(p->prefixlen, &mask.sin6_addr); | |
542 | mask.sin6_family = p->family; | |
6f0e3f6e | 543 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
d62a17ae | 544 | mask.sin6_len = sizeof(struct sockaddr_in6); |
718e3744 | 545 | #endif |
d62a17ae | 546 | memcpy(&addreq.ifra_prefixmask, &mask, sizeof(struct sockaddr_in6)); |
547 | ||
548 | addreq.ifra_lifetime.ia6t_vltime = 0xffffffff; | |
549 | addreq.ifra_lifetime.ia6t_pltime = 0xffffffff; | |
550 | ||
551 | #ifdef HAVE_STRUCT_IF6_ALIASREQ_IFRA_LIFETIME | |
552 | addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; | |
553 | addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; | |
726f9b2b | 554 | #endif |
718e3744 | 555 | |
d62a17ae | 556 | ret = if_ioctl_ipv6(SIOCAIFADDR_IN6, (caddr_t)&addreq); |
557 | if (ret < 0) | |
558 | return ret; | |
559 | return 0; | |
718e3744 | 560 | } |
561 | ||
d62a17ae | 562 | int if_prefix_delete_ipv6(struct interface *ifp, struct connected *ifc) |
718e3744 | 563 | { |
d62a17ae | 564 | int ret; |
565 | struct in6_aliasreq addreq; | |
566 | struct sockaddr_in6 addr; | |
567 | struct sockaddr_in6 mask; | |
568 | struct prefix_ipv6 *p; | |
718e3744 | 569 | |
d62a17ae | 570 | p = (struct prefix_ipv6 *)ifc->address; |
718e3744 | 571 | |
d62a17ae | 572 | memset(&addreq, 0, sizeof addreq); |
573 | strncpy((char *)&addreq.ifra_name, ifp->name, sizeof addreq.ifra_name); | |
718e3744 | 574 | |
d62a17ae | 575 | memset(&addr, 0, sizeof(struct sockaddr_in6)); |
576 | addr.sin6_addr = p->prefix; | |
577 | addr.sin6_family = p->family; | |
6f0e3f6e | 578 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
d62a17ae | 579 | addr.sin6_len = sizeof(struct sockaddr_in6); |
718e3744 | 580 | #endif |
d62a17ae | 581 | memcpy(&addreq.ifra_addr, &addr, sizeof(struct sockaddr_in6)); |
718e3744 | 582 | |
d62a17ae | 583 | memset(&mask, 0, sizeof(struct sockaddr_in6)); |
584 | masklen2ip6(p->prefixlen, &mask.sin6_addr); | |
585 | mask.sin6_family = p->family; | |
6f0e3f6e | 586 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
d62a17ae | 587 | mask.sin6_len = sizeof(struct sockaddr_in6); |
718e3744 | 588 | #endif |
d62a17ae | 589 | memcpy(&addreq.ifra_prefixmask, &mask, sizeof(struct sockaddr_in6)); |
718e3744 | 590 | |
6f0e3f6e | 591 | #ifdef HAVE_STRUCT_IF6_ALIASREQ_IFRA_LIFETIME |
d62a17ae | 592 | addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; |
593 | addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; | |
726f9b2b | 594 | #endif |
718e3744 | 595 | |
d62a17ae | 596 | ret = if_ioctl_ipv6(SIOCDIFADDR_IN6, (caddr_t)&addreq); |
597 | if (ret < 0) | |
598 | return ret; | |
599 | return 0; | |
718e3744 | 600 | } |
601 | #else | |
d62a17ae | 602 | int if_prefix_add_ipv6(struct interface *ifp, struct connected *ifc) |
718e3744 | 603 | { |
d62a17ae | 604 | return 0; |
718e3744 | 605 | } |
606 | ||
d62a17ae | 607 | int if_prefix_delete_ipv6(struct interface *ifp, struct connected *ifc) |
718e3744 | 608 | { |
d62a17ae | 609 | return 0; |
718e3744 | 610 | } |
6f0e3f6e | 611 | #endif /* HAVE_STRUCT_IN6_ALIASREQ */ |
718e3744 | 612 | |
613 | #endif /* LINUX_IPV6 */ | |
ddfeb486 DL |
614 | |
615 | #endif /* !SUNOS_5 */ |