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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" |
174482ef | 30 | #include "lib_errors.h" |
718e3744 | 31 | |
5e6a74d8 | 32 | #include "vty.h" |
718e3744 | 33 | #include "zebra/rib.h" |
34 | #include "zebra/rt.h" | |
5c78b3d0 | 35 | #include "zebra/interface.h" |
718e3744 | 36 | |
ddfeb486 DL |
37 | #ifndef SUNOS_5 |
38 | ||
55edb0d4 AS |
39 | #ifdef HAVE_BSD_LINK_DETECT |
40 | #include <net/if_media.h> | |
41 | #endif /* HAVE_BSD_LINK_DETECT*/ | |
42 | ||
edd7c245 | 43 | extern struct zebra_privs_t zserv_privs; |
44 | ||
718e3744 | 45 | /* clear and set interface name string */ |
d62a17ae | 46 | void ifreq_set_name(struct ifreq *ifreq, struct interface *ifp) |
718e3744 | 47 | { |
0af35d90 | 48 | strlcpy(ifreq->ifr_name, ifp->name, sizeof(ifreq->ifr_name)); |
718e3744 | 49 | } |
50 | ||
51 | /* call ioctl system call */ | |
d7c0a89a | 52 | int if_ioctl(unsigned long request, caddr_t buffer) |
718e3744 | 53 | { |
d62a17ae | 54 | int sock; |
55 | int ret; | |
56 | int err = 0; | |
57 | ||
58 | if (zserv_privs.change(ZPRIVS_RAISE)) | |
af4c2728 | 59 | flog_err(LIB_ERR_PRIVILEGES, "Can't raise privileges"); |
d62a17ae | 60 | sock = socket(AF_INET, SOCK_DGRAM, 0); |
61 | if (sock < 0) { | |
62 | int save_errno = errno; | |
4db21619 | 63 | |
d62a17ae | 64 | if (zserv_privs.change(ZPRIVS_LOWER)) |
af4c2728 QY |
65 | flog_err(LIB_ERR_PRIVILEGES, "Can't lower privileges"); |
66 | flog_err(LIB_ERR_SOCKET, "Cannot create UDP socket: %s", | |
43e52561 | 67 | safe_strerror(save_errno)); |
d62a17ae | 68 | exit(1); |
69 | } | |
70 | if ((ret = ioctl(sock, request, buffer)) < 0) | |
71 | err = errno; | |
72 | if (zserv_privs.change(ZPRIVS_LOWER)) | |
af4c2728 | 73 | flog_err(LIB_ERR_PRIVILEGES, "Can't lower privileges"); |
d62a17ae | 74 | close(sock); |
75 | ||
76 | if (ret < 0) { | |
77 | errno = err; | |
78 | return ret; | |
79 | } | |
80 | return 0; | |
718e3744 | 81 | } |
82 | ||
4db21619 | 83 | /* call ioctl system call */ |
d7c0a89a | 84 | int vrf_if_ioctl(unsigned long request, caddr_t buffer, vrf_id_t vrf_id) |
4db21619 PG |
85 | { |
86 | int sock; | |
87 | int ret; | |
88 | int err = 0; | |
89 | ||
90 | if (zserv_privs.change(ZPRIVS_RAISE)) | |
af4c2728 | 91 | flog_err(LIB_ERR_PRIVILEGES, "Can't raise privileges"); |
4db21619 PG |
92 | sock = vrf_socket(AF_INET, SOCK_DGRAM, 0, vrf_id, NULL); |
93 | if (sock < 0) { | |
94 | int save_errno = errno; | |
95 | ||
96 | if (zserv_privs.change(ZPRIVS_LOWER)) | |
af4c2728 QY |
97 | flog_err(LIB_ERR_PRIVILEGES, "Can't lower privileges"); |
98 | flog_err(LIB_ERR_SOCKET, "Cannot create UDP socket: %s", | |
43e52561 | 99 | safe_strerror(save_errno)); |
4db21619 PG |
100 | exit(1); |
101 | } | |
102 | ret = vrf_ioctl(vrf_id, sock, request, buffer); | |
103 | if (ret < 0) | |
104 | err = errno; | |
105 | if (zserv_privs.change(ZPRIVS_LOWER)) | |
af4c2728 | 106 | flog_err(LIB_ERR_PRIVILEGES, "Can't lower privileges"); |
4db21619 PG |
107 | close(sock); |
108 | ||
109 | if (ret < 0) { | |
110 | errno = err; | |
111 | return ret; | |
112 | } | |
113 | return 0; | |
114 | } | |
115 | ||
e86b71f1 | 116 | #ifndef HAVE_NETLINK |
d7c0a89a | 117 | static int if_ioctl_ipv6(unsigned long request, caddr_t buffer) |
718e3744 | 118 | { |
d62a17ae | 119 | int sock; |
120 | int ret; | |
121 | int err = 0; | |
122 | ||
123 | if (zserv_privs.change(ZPRIVS_RAISE)) | |
af4c2728 | 124 | flog_err(LIB_ERR_PRIVILEGES, "Can't raise privileges"); |
d62a17ae | 125 | sock = socket(AF_INET6, SOCK_DGRAM, 0); |
126 | if (sock < 0) { | |
127 | int save_errno = errno; | |
4db21619 | 128 | |
d62a17ae | 129 | if (zserv_privs.change(ZPRIVS_LOWER)) |
af4c2728 QY |
130 | flog_err(LIB_ERR_PRIVILEGES, "Can't lower privileges"); |
131 | flog_err(LIB_ERR_SOCKET, | |
43e52561 QY |
132 | "Cannot create IPv6 datagram socket: %s", |
133 | safe_strerror(save_errno)); | |
d62a17ae | 134 | exit(1); |
135 | } | |
136 | ||
137 | if ((ret = ioctl(sock, request, buffer)) < 0) | |
138 | err = errno; | |
139 | if (zserv_privs.change(ZPRIVS_LOWER)) | |
af4c2728 | 140 | flog_err(LIB_ERR_PRIVILEGES, "Can't lower privileges"); |
d62a17ae | 141 | close(sock); |
142 | ||
143 | if (ret < 0) { | |
144 | errno = err; | |
145 | return ret; | |
146 | } | |
147 | return 0; | |
718e3744 | 148 | } |
e86b71f1 | 149 | #endif /* ! HAVE_NETLINK */ |
718e3744 | 150 | |
151 | /* | |
152 | * get interface metric | |
153 | * -- if value is not avaliable set -1 | |
154 | */ | |
d62a17ae | 155 | void if_get_metric(struct interface *ifp) |
718e3744 | 156 | { |
157 | #ifdef SIOCGIFMETRIC | |
d62a17ae | 158 | struct ifreq ifreq; |
718e3744 | 159 | |
d62a17ae | 160 | ifreq_set_name(&ifreq, ifp); |
718e3744 | 161 | |
4db21619 | 162 | if (vrf_if_ioctl(SIOCGIFMETRIC, (caddr_t)&ifreq, ifp->vrf_id) < 0) |
d62a17ae | 163 | return; |
164 | ifp->metric = ifreq.ifr_metric; | |
165 | if (ifp->metric == 0) | |
166 | ifp->metric = 1; | |
167 | #else /* SIOCGIFMETRIC */ | |
168 | ifp->metric = -1; | |
718e3744 | 169 | #endif /* SIOCGIFMETRIC */ |
170 | } | |
171 | ||
172 | /* get interface MTU */ | |
d62a17ae | 173 | void if_get_mtu(struct interface *ifp) |
718e3744 | 174 | { |
d62a17ae | 175 | struct ifreq ifreq; |
718e3744 | 176 | |
d62a17ae | 177 | ifreq_set_name(&ifreq, ifp); |
718e3744 | 178 | |
179 | #if defined(SIOCGIFMTU) | |
4db21619 | 180 | if (vrf_if_ioctl(SIOCGIFMTU, (caddr_t)&ifreq, ifp->vrf_id) < 0) { |
d62a17ae | 181 | zlog_info("Can't lookup mtu by ioctl(SIOCGIFMTU)"); |
182 | ifp->mtu6 = ifp->mtu = -1; | |
183 | return; | |
184 | } | |
718e3744 | 185 | |
186 | #ifdef SUNOS_5 | |
d62a17ae | 187 | ifp->mtu6 = ifp->mtu = ifreq.ifr_metric; |
718e3744 | 188 | #else |
d62a17ae | 189 | ifp->mtu6 = ifp->mtu = ifreq.ifr_mtu; |
718e3744 | 190 | #endif /* SUNOS_5 */ |
191 | ||
d62a17ae | 192 | /* propogate */ |
193 | zebra_interface_up_update(ifp); | |
f5e004f7 | 194 | |
718e3744 | 195 | #else |
d62a17ae | 196 | zlog_info("Can't lookup mtu on this system"); |
197 | ifp->mtu6 = ifp->mtu = -1; | |
718e3744 | 198 | #endif |
199 | } | |
200 | ||
201 | #ifdef HAVE_NETLINK | |
202 | /* Interface address setting via netlink interface. */ | |
d62a17ae | 203 | int if_set_prefix(struct interface *ifp, struct connected *ifc) |
718e3744 | 204 | { |
d62a17ae | 205 | return kernel_address_add_ipv4(ifp, ifc); |
718e3744 | 206 | } |
207 | ||
208 | /* Interface address is removed using netlink interface. */ | |
d62a17ae | 209 | int if_unset_prefix(struct interface *ifp, struct connected *ifc) |
718e3744 | 210 | { |
d62a17ae | 211 | return kernel_address_delete_ipv4(ifp, ifc); |
718e3744 | 212 | } |
213 | #else /* ! HAVE_NETLINK */ | |
6f0e3f6e | 214 | #ifdef HAVE_STRUCT_IFALIASREQ |
718e3744 | 215 | /* Set up interface's IP address, netmask (and broadcas? ). *BSD may |
216 | has ifaliasreq structure. */ | |
d62a17ae | 217 | int if_set_prefix(struct interface *ifp, struct connected *ifc) |
718e3744 | 218 | { |
d62a17ae | 219 | int ret; |
220 | struct ifaliasreq addreq; | |
5a41e961 | 221 | struct sockaddr_in addr, mask, peer; |
d62a17ae | 222 | struct prefix_ipv4 *p; |
718e3744 | 223 | |
5a41e961 DL |
224 | /* don't configure PtP addresses on broadcast ifs or reverse */ |
225 | if (!(ifp->flags & IFF_POINTOPOINT) != !CONNECTED_PEER(ifc)) { | |
226 | errno = EINVAL; | |
227 | return -1; | |
228 | } | |
229 | ||
d62a17ae | 230 | p = (struct prefix_ipv4 *)ifc->address; |
231 | rib_lookup_and_pushup(p, ifp->vrf_id); | |
718e3744 | 232 | |
d62a17ae | 233 | memset(&addreq, 0, sizeof addreq); |
234 | strncpy((char *)&addreq.ifra_name, ifp->name, sizeof addreq.ifra_name); | |
718e3744 | 235 | |
d62a17ae | 236 | memset(&addr, 0, sizeof(struct sockaddr_in)); |
237 | addr.sin_addr = p->prefix; | |
238 | addr.sin_family = p->family; | |
6f0e3f6e | 239 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
d62a17ae | 240 | addr.sin_len = sizeof(struct sockaddr_in); |
718e3744 | 241 | #endif |
d62a17ae | 242 | memcpy(&addreq.ifra_addr, &addr, sizeof(struct sockaddr_in)); |
718e3744 | 243 | |
5a41e961 DL |
244 | if (CONNECTED_PEER(ifc)) { |
245 | p = (struct prefix_ipv4 *)ifc->destination; | |
246 | memset(&mask, 0, sizeof(struct sockaddr_in)); | |
247 | peer.sin_addr = p->prefix; | |
248 | peer.sin_family = p->family; | |
249 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN | |
250 | peer.sin_len = sizeof(struct sockaddr_in); | |
251 | #endif | |
252 | memcpy(&addreq.ifra_broadaddr, &peer, | |
253 | sizeof(struct sockaddr_in)); | |
254 | } | |
255 | ||
d62a17ae | 256 | memset(&mask, 0, sizeof(struct sockaddr_in)); |
257 | masklen2ip(p->prefixlen, &mask.sin_addr); | |
258 | mask.sin_family = p->family; | |
6f0e3f6e | 259 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
d62a17ae | 260 | mask.sin_len = sizeof(struct sockaddr_in); |
718e3744 | 261 | #endif |
d62a17ae | 262 | memcpy(&addreq.ifra_mask, &mask, sizeof(struct sockaddr_in)); |
263 | ||
264 | ret = if_ioctl(SIOCAIFADDR, (caddr_t)&addreq); | |
265 | if (ret < 0) | |
266 | return ret; | |
267 | return 0; | |
718e3744 | 268 | } |
269 | ||
270 | /* Set up interface's IP address, netmask (and broadcas? ). *BSD may | |
271 | has ifaliasreq structure. */ | |
d62a17ae | 272 | int if_unset_prefix(struct interface *ifp, struct connected *ifc) |
718e3744 | 273 | { |
d62a17ae | 274 | int ret; |
275 | struct ifaliasreq addreq; | |
5a41e961 | 276 | struct sockaddr_in addr, mask, peer; |
d62a17ae | 277 | struct prefix_ipv4 *p; |
718e3744 | 278 | |
5a41e961 DL |
279 | /* this would probably wreak havoc */ |
280 | if (!(ifp->flags & IFF_POINTOPOINT) != !CONNECTED_PEER(ifc)) { | |
281 | errno = EINVAL; | |
282 | return -1; | |
283 | } | |
284 | ||
d62a17ae | 285 | p = (struct prefix_ipv4 *)ifc->address; |
718e3744 | 286 | |
d62a17ae | 287 | memset(&addreq, 0, sizeof addreq); |
288 | strncpy((char *)&addreq.ifra_name, ifp->name, sizeof addreq.ifra_name); | |
718e3744 | 289 | |
d62a17ae | 290 | memset(&addr, 0, sizeof(struct sockaddr_in)); |
291 | addr.sin_addr = p->prefix; | |
292 | addr.sin_family = p->family; | |
6f0e3f6e | 293 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
d62a17ae | 294 | addr.sin_len = sizeof(struct sockaddr_in); |
718e3744 | 295 | #endif |
d62a17ae | 296 | memcpy(&addreq.ifra_addr, &addr, sizeof(struct sockaddr_in)); |
718e3744 | 297 | |
5a41e961 DL |
298 | if (CONNECTED_PEER(ifc)) { |
299 | p = (struct prefix_ipv4 *)ifc->destination; | |
300 | memset(&mask, 0, sizeof(struct sockaddr_in)); | |
301 | peer.sin_addr = p->prefix; | |
302 | peer.sin_family = p->family; | |
303 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN | |
304 | peer.sin_len = sizeof(struct sockaddr_in); | |
305 | #endif | |
306 | memcpy(&addreq.ifra_broadaddr, &peer, | |
307 | sizeof(struct sockaddr_in)); | |
308 | } | |
309 | ||
d62a17ae | 310 | memset(&mask, 0, sizeof(struct sockaddr_in)); |
311 | masklen2ip(p->prefixlen, &mask.sin_addr); | |
312 | mask.sin_family = p->family; | |
6f0e3f6e | 313 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
d62a17ae | 314 | mask.sin_len = sizeof(struct sockaddr_in); |
718e3744 | 315 | #endif |
d62a17ae | 316 | memcpy(&addreq.ifra_mask, &mask, sizeof(struct sockaddr_in)); |
317 | ||
318 | ret = if_ioctl(SIOCDIFADDR, (caddr_t)&addreq); | |
319 | if (ret < 0) | |
320 | return ret; | |
321 | return 0; | |
718e3744 | 322 | } |
323 | #else | |
324 | /* Set up interface's address, netmask (and broadcas? ). Linux or | |
325 | Solaris uses ifname:number semantics to set IP address aliases. */ | |
d62a17ae | 326 | int if_set_prefix(struct interface *ifp, struct connected *ifc) |
718e3744 | 327 | { |
d62a17ae | 328 | int ret; |
329 | struct ifreq ifreq; | |
330 | struct sockaddr_in addr; | |
331 | struct sockaddr_in broad; | |
332 | struct sockaddr_in mask; | |
333 | struct prefix_ipv4 ifaddr; | |
334 | struct prefix_ipv4 *p; | |
335 | ||
336 | p = (struct prefix_ipv4 *)ifc->address; | |
337 | ||
338 | ifaddr = *p; | |
339 | ||
340 | ifreq_set_name(&ifreq, ifp); | |
341 | ||
342 | addr.sin_addr = p->prefix; | |
343 | addr.sin_family = p->family; | |
344 | memcpy(&ifreq.ifr_addr, &addr, sizeof(struct sockaddr_in)); | |
345 | ret = if_ioctl(SIOCSIFADDR, (caddr_t)&ifreq); | |
346 | if (ret < 0) | |
347 | return ret; | |
348 | ||
349 | /* We need mask for make broadcast addr. */ | |
350 | masklen2ip(p->prefixlen, &mask.sin_addr); | |
351 | ||
352 | if (if_is_broadcast(ifp)) { | |
353 | apply_mask_ipv4(&ifaddr); | |
354 | addr.sin_addr = ifaddr.prefix; | |
355 | ||
356 | broad.sin_addr.s_addr = | |
357 | (addr.sin_addr.s_addr | ~mask.sin_addr.s_addr); | |
358 | broad.sin_family = p->family; | |
359 | ||
360 | memcpy(&ifreq.ifr_broadaddr, &broad, | |
361 | sizeof(struct sockaddr_in)); | |
362 | ret = if_ioctl(SIOCSIFBRDADDR, (caddr_t)&ifreq); | |
363 | if (ret < 0) | |
364 | return ret; | |
365 | } | |
366 | ||
367 | mask.sin_family = p->family; | |
718e3744 | 368 | #ifdef SUNOS_5 |
d62a17ae | 369 | memcpy(&mask, &ifreq.ifr_addr, sizeof(mask)); |
718e3744 | 370 | #else |
d62a17ae | 371 | memcpy(&ifreq.ifr_netmask, &mask, sizeof(struct sockaddr_in)); |
718e3744 | 372 | #endif /* SUNOS5 */ |
d62a17ae | 373 | ret = if_ioctl(SIOCSIFNETMASK, (caddr_t)&ifreq); |
374 | if (ret < 0) | |
375 | return ret; | |
718e3744 | 376 | |
d62a17ae | 377 | return 0; |
718e3744 | 378 | } |
379 | ||
380 | /* Set up interface's address, netmask (and broadcas? ). Linux or | |
381 | Solaris uses ifname:number semantics to set IP address aliases. */ | |
d62a17ae | 382 | int if_unset_prefix(struct interface *ifp, struct connected *ifc) |
718e3744 | 383 | { |
d62a17ae | 384 | int ret; |
385 | struct ifreq ifreq; | |
386 | struct sockaddr_in addr; | |
387 | struct prefix_ipv4 *p; | |
718e3744 | 388 | |
d62a17ae | 389 | p = (struct prefix_ipv4 *)ifc->address; |
718e3744 | 390 | |
d62a17ae | 391 | ifreq_set_name(&ifreq, ifp); |
718e3744 | 392 | |
d62a17ae | 393 | memset(&addr, 0, sizeof(struct sockaddr_in)); |
394 | addr.sin_family = p->family; | |
395 | memcpy(&ifreq.ifr_addr, &addr, sizeof(struct sockaddr_in)); | |
396 | ret = if_ioctl(SIOCSIFADDR, (caddr_t)&ifreq); | |
397 | if (ret < 0) | |
398 | return ret; | |
718e3744 | 399 | |
d62a17ae | 400 | return 0; |
718e3744 | 401 | } |
6f0e3f6e | 402 | #endif /* HAVE_STRUCT_IFALIASREQ */ |
718e3744 | 403 | #endif /* HAVE_NETLINK */ |
404 | ||
405 | /* get interface flags */ | |
d62a17ae | 406 | void if_get_flags(struct interface *ifp) |
718e3744 | 407 | { |
d62a17ae | 408 | int ret; |
409 | struct ifreq ifreq; | |
c543a173 | 410 | #ifdef HAVE_BSD_LINK_DETECT |
d62a17ae | 411 | struct ifmediareq ifmr; |
c543a173 | 412 | #endif /* HAVE_BSD_LINK_DETECT */ |
718e3744 | 413 | |
d62a17ae | 414 | ifreq_set_name(&ifreq, ifp); |
718e3744 | 415 | |
4db21619 | 416 | ret = vrf_if_ioctl(SIOCGIFFLAGS, (caddr_t)&ifreq, ifp->vrf_id); |
d62a17ae | 417 | if (ret < 0) { |
af4c2728 | 418 | flog_err(LIB_ERR_SYSTEM_CALL, |
43e52561 QY |
419 | "vrf_if_ioctl(SIOCGIFFLAGS) failed: %s", |
420 | safe_strerror(errno)); | |
d62a17ae | 421 | return; |
422 | } | |
c543a173 | 423 | #ifdef HAVE_BSD_LINK_DETECT /* Detect BSD link-state at start-up */ |
0b3f3d47 | 424 | |
d62a17ae | 425 | /* Per-default, IFF_RUNNING is held high, unless link-detect says |
426 | * otherwise - we abuse IFF_RUNNING inside zebra as a link-state flag, | |
427 | * following practice on Linux and Solaris kernels | |
428 | */ | |
429 | SET_FLAG(ifreq.ifr_flags, IFF_RUNNING); | |
430 | ||
431 | if (CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION)) { | |
432 | (void)memset(&ifmr, 0, sizeof(ifmr)); | |
433 | strncpy(ifmr.ifm_name, ifp->name, IFNAMSIZ); | |
434 | ||
435 | /* Seems not all interfaces implement this ioctl */ | |
436 | if (if_ioctl(SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) | |
af4c2728 | 437 | flog_err(LIB_ERR_SYSTEM_CALL, |
43e52561 QY |
438 | "if_ioctl(SIOCGIFMEDIA) failed: %s", |
439 | safe_strerror(errno)); | |
d62a17ae | 440 | else if (ifmr.ifm_status & IFM_AVALID) /* Link state is valid */ |
441 | { | |
442 | if (ifmr.ifm_status & IFM_ACTIVE) | |
443 | SET_FLAG(ifreq.ifr_flags, IFF_RUNNING); | |
444 | else | |
445 | UNSET_FLAG(ifreq.ifr_flags, IFF_RUNNING); | |
446 | } | |
447 | } | |
c543a173 | 448 | #endif /* HAVE_BSD_LINK_DETECT */ |
718e3744 | 449 | |
d62a17ae | 450 | if_flags_update(ifp, (ifreq.ifr_flags & 0x0000ffff)); |
718e3744 | 451 | } |
452 | ||
453 | /* Set interface flags */ | |
d62a17ae | 454 | int if_set_flags(struct interface *ifp, uint64_t flags) |
718e3744 | 455 | { |
d62a17ae | 456 | int ret; |
457 | struct ifreq ifreq; | |
718e3744 | 458 | |
d62a17ae | 459 | memset(&ifreq, 0, sizeof(struct ifreq)); |
460 | ifreq_set_name(&ifreq, ifp); | |
718e3744 | 461 | |
d62a17ae | 462 | ifreq.ifr_flags = ifp->flags; |
463 | ifreq.ifr_flags |= flags; | |
718e3744 | 464 | |
4db21619 | 465 | ret = vrf_if_ioctl(SIOCSIFFLAGS, (caddr_t)&ifreq, ifp->vrf_id); |
718e3744 | 466 | |
d62a17ae | 467 | if (ret < 0) { |
468 | zlog_info("can't set interface flags"); | |
469 | return ret; | |
470 | } | |
471 | return 0; | |
718e3744 | 472 | } |
473 | ||
474 | /* Unset interface's flag. */ | |
d62a17ae | 475 | int if_unset_flags(struct interface *ifp, uint64_t flags) |
718e3744 | 476 | { |
d62a17ae | 477 | int ret; |
478 | struct ifreq ifreq; | |
718e3744 | 479 | |
d62a17ae | 480 | memset(&ifreq, 0, sizeof(struct ifreq)); |
481 | ifreq_set_name(&ifreq, ifp); | |
718e3744 | 482 | |
d62a17ae | 483 | ifreq.ifr_flags = ifp->flags; |
484 | ifreq.ifr_flags &= ~flags; | |
718e3744 | 485 | |
4db21619 | 486 | ret = vrf_if_ioctl(SIOCSIFFLAGS, (caddr_t)&ifreq, ifp->vrf_id); |
718e3744 | 487 | |
d62a17ae | 488 | if (ret < 0) { |
489 | zlog_info("can't unset interface flags"); | |
490 | return ret; | |
491 | } | |
492 | return 0; | |
718e3744 | 493 | } |
494 | ||
718e3744 | 495 | #ifdef LINUX_IPV6 |
496 | #ifndef _LINUX_IN6_H | |
497 | /* linux/include/net/ipv6.h */ | |
d62a17ae | 498 | struct in6_ifreq { |
499 | struct in6_addr ifr6_addr; | |
d7c0a89a | 500 | uint32_t ifr6_prefixlen; |
d62a17ae | 501 | int ifr6_ifindex; |
718e3744 | 502 | }; |
503 | #endif /* _LINUX_IN6_H */ | |
718e3744 | 504 | /* Interface's address add/delete functions. */ |
d62a17ae | 505 | int if_prefix_add_ipv6(struct interface *ifp, struct connected *ifc) |
718e3744 | 506 | { |
e86b71f1 | 507 | #ifdef HAVE_NETLINK |
996c9314 | 508 | return kernel_address_add_ipv6(ifp, ifc); |
8aa416a6 | 509 | #endif /* HAVE_NETLINK */ |
718e3744 | 510 | } |
511 | ||
d62a17ae | 512 | int if_prefix_delete_ipv6(struct interface *ifp, struct connected *ifc) |
718e3744 | 513 | { |
e86b71f1 | 514 | #ifdef HAVE_NETLINK |
996c9314 | 515 | return kernel_address_delete_ipv6(ifp, ifc); |
8aa416a6 | 516 | #endif /* HAVE_NETLINK */ |
718e3744 | 517 | } |
518 | #else /* LINUX_IPV6 */ | |
6f0e3f6e | 519 | #ifdef HAVE_STRUCT_IN6_ALIASREQ |
718e3744 | 520 | #ifndef ND6_INFINITE_LIFETIME |
521 | #define ND6_INFINITE_LIFETIME 0xffffffffL | |
522 | #endif /* ND6_INFINITE_LIFETIME */ | |
d62a17ae | 523 | int if_prefix_add_ipv6(struct interface *ifp, struct connected *ifc) |
718e3744 | 524 | { |
d62a17ae | 525 | int ret; |
526 | struct in6_aliasreq addreq; | |
527 | struct sockaddr_in6 addr; | |
528 | struct sockaddr_in6 mask; | |
529 | struct prefix_ipv6 *p; | |
718e3744 | 530 | |
d62a17ae | 531 | p = (struct prefix_ipv6 *)ifc->address; |
718e3744 | 532 | |
d62a17ae | 533 | memset(&addreq, 0, sizeof addreq); |
534 | strncpy((char *)&addreq.ifra_name, ifp->name, sizeof addreq.ifra_name); | |
718e3744 | 535 | |
d62a17ae | 536 | memset(&addr, 0, sizeof(struct sockaddr_in6)); |
537 | addr.sin6_addr = p->prefix; | |
538 | addr.sin6_family = p->family; | |
6f0e3f6e | 539 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
d62a17ae | 540 | addr.sin6_len = sizeof(struct sockaddr_in6); |
718e3744 | 541 | #endif |
d62a17ae | 542 | memcpy(&addreq.ifra_addr, &addr, sizeof(struct sockaddr_in6)); |
718e3744 | 543 | |
d62a17ae | 544 | memset(&mask, 0, sizeof(struct sockaddr_in6)); |
545 | masklen2ip6(p->prefixlen, &mask.sin6_addr); | |
546 | mask.sin6_family = p->family; | |
6f0e3f6e | 547 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
d62a17ae | 548 | mask.sin6_len = sizeof(struct sockaddr_in6); |
718e3744 | 549 | #endif |
d62a17ae | 550 | memcpy(&addreq.ifra_prefixmask, &mask, sizeof(struct sockaddr_in6)); |
551 | ||
552 | addreq.ifra_lifetime.ia6t_vltime = 0xffffffff; | |
553 | addreq.ifra_lifetime.ia6t_pltime = 0xffffffff; | |
554 | ||
555 | #ifdef HAVE_STRUCT_IF6_ALIASREQ_IFRA_LIFETIME | |
556 | addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; | |
557 | addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; | |
726f9b2b | 558 | #endif |
718e3744 | 559 | |
d62a17ae | 560 | ret = if_ioctl_ipv6(SIOCAIFADDR_IN6, (caddr_t)&addreq); |
561 | if (ret < 0) | |
562 | return ret; | |
563 | return 0; | |
718e3744 | 564 | } |
565 | ||
d62a17ae | 566 | int if_prefix_delete_ipv6(struct interface *ifp, struct connected *ifc) |
718e3744 | 567 | { |
d62a17ae | 568 | int ret; |
569 | struct in6_aliasreq addreq; | |
570 | struct sockaddr_in6 addr; | |
571 | struct sockaddr_in6 mask; | |
572 | struct prefix_ipv6 *p; | |
718e3744 | 573 | |
d62a17ae | 574 | p = (struct prefix_ipv6 *)ifc->address; |
718e3744 | 575 | |
d62a17ae | 576 | memset(&addreq, 0, sizeof addreq); |
577 | strncpy((char *)&addreq.ifra_name, ifp->name, sizeof addreq.ifra_name); | |
718e3744 | 578 | |
d62a17ae | 579 | memset(&addr, 0, sizeof(struct sockaddr_in6)); |
580 | addr.sin6_addr = p->prefix; | |
581 | addr.sin6_family = p->family; | |
6f0e3f6e | 582 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
d62a17ae | 583 | addr.sin6_len = sizeof(struct sockaddr_in6); |
718e3744 | 584 | #endif |
d62a17ae | 585 | memcpy(&addreq.ifra_addr, &addr, sizeof(struct sockaddr_in6)); |
718e3744 | 586 | |
d62a17ae | 587 | memset(&mask, 0, sizeof(struct sockaddr_in6)); |
588 | masklen2ip6(p->prefixlen, &mask.sin6_addr); | |
589 | mask.sin6_family = p->family; | |
6f0e3f6e | 590 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
d62a17ae | 591 | mask.sin6_len = sizeof(struct sockaddr_in6); |
718e3744 | 592 | #endif |
d62a17ae | 593 | memcpy(&addreq.ifra_prefixmask, &mask, sizeof(struct sockaddr_in6)); |
718e3744 | 594 | |
6f0e3f6e | 595 | #ifdef HAVE_STRUCT_IF6_ALIASREQ_IFRA_LIFETIME |
d62a17ae | 596 | addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; |
597 | addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; | |
726f9b2b | 598 | #endif |
718e3744 | 599 | |
d62a17ae | 600 | ret = if_ioctl_ipv6(SIOCDIFADDR_IN6, (caddr_t)&addreq); |
601 | if (ret < 0) | |
602 | return ret; | |
603 | return 0; | |
718e3744 | 604 | } |
605 | #else | |
d62a17ae | 606 | int if_prefix_add_ipv6(struct interface *ifp, struct connected *ifc) |
718e3744 | 607 | { |
d62a17ae | 608 | return 0; |
718e3744 | 609 | } |
610 | ||
d62a17ae | 611 | int if_prefix_delete_ipv6(struct interface *ifp, struct connected *ifc) |
718e3744 | 612 | { |
d62a17ae | 613 | return 0; |
718e3744 | 614 | } |
6f0e3f6e | 615 | #endif /* HAVE_STRUCT_IN6_ALIASREQ */ |
718e3744 | 616 | |
617 | #endif /* LINUX_IPV6 */ | |
ddfeb486 DL |
618 | |
619 | #endif /* !SUNOS_5 */ |