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8842468c | 1 | /* |
2 | * Common ioctl functions for Solaris. | |
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 | |
8842468c | 20 | */ |
21 | ||
22 | #include <zebra.h> | |
23 | ||
ddfeb486 DL |
24 | #ifdef SUNOS_5 |
25 | ||
8842468c | 26 | #include "linklist.h" |
27 | #include "if.h" | |
28 | #include "prefix.h" | |
29 | #include "ioctl.h" | |
30 | #include "log.h" | |
48a46fa0 | 31 | #include "privs.h" |
82283592 | 32 | #include "vty.h" |
4db21619 | 33 | #include "vrf.h" |
174482ef | 34 | #include "lib_errors.h" |
8842468c | 35 | |
36 | #include "zebra/rib.h" | |
37 | #include "zebra/rt.h" | |
5c78b3d0 | 38 | #include "zebra/interface.h" |
8d610213 | 39 | #include "zebra/ioctl_solaris.h" |
364fed6b | 40 | #include "zebra/zebra_errors.h" |
8842468c | 41 | |
48a46fa0 | 42 | extern struct zebra_privs_t zserv_privs; |
8842468c | 43 | |
44 | /* clear and set interface name string */ | |
d62a17ae | 45 | void lifreq_set_name(struct lifreq *lifreq, const char *ifname) |
8842468c | 46 | { |
138a4965 | 47 | strlcpy(lifreq->lifr_name, ifname, sizeof(lifreq->lifr_name)); |
8842468c | 48 | } |
49 | ||
d7c0a89a | 50 | int vrf_if_ioctl(unsigned long request, caddr_t buffer, vrf_id_t vrf_id) |
4db21619 PG |
51 | { |
52 | return if_ioctl(request, buffer); | |
53 | } | |
54 | ||
8842468c | 55 | /* call ioctl system call */ |
d7c0a89a | 56 | int if_ioctl(unsigned long request, caddr_t buffer) |
8842468c | 57 | { |
d62a17ae | 58 | int sock; |
59 | int ret; | |
60 | int err; | |
61 | ||
01b9e3fd DL |
62 | frr_elevate_privs(&zserv_privs) { |
63 | ||
64 | sock = socket(AF_INET, SOCK_DGRAM, 0); | |
65 | if (sock < 0) { | |
66 | zlog_err("Cannot create UDP socket: %s", | |
67 | safe_strerror(errno)); | |
68 | exit(1); | |
69 | } | |
d62a17ae | 70 | |
01b9e3fd DL |
71 | if ((ret = ioctl(sock, request, buffer)) < 0) |
72 | err = errno; | |
d62a17ae | 73 | |
01b9e3fd | 74 | } |
d62a17ae | 75 | |
76 | close(sock); | |
77 | ||
78 | if (ret < 0) { | |
79 | errno = err; | |
80 | return ret; | |
81 | } | |
82 | return 0; | |
8842468c | 83 | } |
84 | ||
5b73a671 | 85 | |
d7c0a89a | 86 | int if_ioctl_ipv6(unsigned long request, caddr_t buffer) |
8842468c | 87 | { |
d62a17ae | 88 | int sock; |
89 | int ret; | |
90 | int err; | |
91 | ||
01b9e3fd DL |
92 | frr_elevate_privs(&zserv_privs) { |
93 | ||
94 | sock = socket(AF_INET6, SOCK_DGRAM, 0); | |
95 | if (sock < 0) { | |
96 | zlog_err("Cannot create IPv6 datagram socket: %s", | |
97 | safe_strerror(errno)); | |
98 | exit(1); | |
99 | } | |
d62a17ae | 100 | |
01b9e3fd DL |
101 | if ((ret = ioctl(sock, request, buffer)) < 0) |
102 | err = errno; | |
d62a17ae | 103 | |
01b9e3fd | 104 | } |
d62a17ae | 105 | |
106 | close(sock); | |
107 | ||
108 | if (ret < 0) { | |
109 | errno = err; | |
110 | return ret; | |
111 | } | |
112 | ||
113 | return 0; | |
8842468c | 114 | } |
8842468c | 115 | |
116 | /* | |
117 | * get interface metric | |
118 | * -- if value is not avaliable set -1 | |
119 | */ | |
d62a17ae | 120 | void if_get_metric(struct interface *ifp) |
8842468c | 121 | { |
d62a17ae | 122 | struct lifreq lifreq; |
123 | int ret; | |
8842468c | 124 | |
d62a17ae | 125 | lifreq_set_name(&lifreq, ifp->name); |
8842468c | 126 | |
d62a17ae | 127 | if (ifp->flags & IFF_IPV4) |
128 | ret = AF_IOCTL(AF_INET, SIOCGLIFMETRIC, (caddr_t)&lifreq); | |
5b73a671 | 129 | #ifdef SOLARIS_IPV6 |
d62a17ae | 130 | else if (ifp->flags & IFF_IPV6) |
131 | ret = AF_IOCTL(AF_INET6, SIOCGLIFMETRIC, (caddr_t)&lifreq); | |
5b73a671 | 132 | #endif /* SOLARIS_IPV6 */ |
d62a17ae | 133 | else |
134 | ret = -1; | |
8842468c | 135 | |
d62a17ae | 136 | if (ret < 0) |
137 | return; | |
8842468c | 138 | |
d62a17ae | 139 | ifp->metric = lifreq.lifr_metric; |
140 | ||
141 | if (ifp->metric == 0) | |
142 | ifp->metric = 1; | |
8842468c | 143 | } |
144 | ||
145 | /* get interface MTU */ | |
d62a17ae | 146 | void if_get_mtu(struct interface *ifp) |
8842468c | 147 | { |
d62a17ae | 148 | struct lifreq lifreq; |
149 | int ret; | |
d7c0a89a | 150 | uint8_t changed = 0; |
d62a17ae | 151 | |
152 | if (ifp->flags & IFF_IPV4) { | |
153 | lifreq_set_name(&lifreq, ifp->name); | |
154 | ret = AF_IOCTL(AF_INET, SIOCGLIFMTU, (caddr_t)&lifreq); | |
155 | if (ret < 0) { | |
156 | zlog_info( | |
157 | "Can't lookup mtu on %s by ioctl(SIOCGLIFMTU)", | |
158 | ifp->name); | |
159 | ifp->mtu = -1; | |
160 | } else { | |
161 | ifp->mtu = lifreq.lifr_metric; | |
162 | changed = 1; | |
163 | } | |
164 | } | |
165 | ||
166 | if (ifp->flags & IFF_IPV6) { | |
167 | memset(&lifreq, 0, sizeof(lifreq)); | |
168 | lifreq_set_name(&lifreq, ifp->name); | |
169 | ||
170 | ret = AF_IOCTL(AF_INET6, SIOCGLIFMTU, (caddr_t)&lifreq); | |
171 | if (ret < 0) { | |
172 | zlog_info( | |
173 | "Can't lookup mtu6 on %s by ioctl(SIOCGIFMTU)", | |
174 | ifp->name); | |
175 | ifp->mtu6 = -1; | |
176 | } else { | |
177 | ifp->mtu6 = lifreq.lifr_metric; | |
178 | changed = 1; | |
179 | } | |
180 | } | |
181 | ||
182 | if (changed) | |
183 | zebra_interface_up_update(ifp); | |
8842468c | 184 | } |
185 | ||
64168803 MS |
186 | /* |
187 | * Stub for new dataplane interface-address modification path. | |
188 | */ | |
189 | enum zebra_dplane_result kernel_address_update_ctx(struct zebra_dplane_ctx *ctx) | |
190 | { | |
191 | return ZEBRA_DPLANE_REQUEST_FAILURE; | |
192 | } | |
193 | ||
8842468c | 194 | /* Set up interface's address, netmask (and broadcast? ). |
195 | Solaris uses ifname:number semantics to set IP address aliases. */ | |
d62a17ae | 196 | int if_set_prefix(struct interface *ifp, struct connected *ifc) |
8842468c | 197 | { |
d62a17ae | 198 | int ret; |
199 | struct ifreq ifreq; | |
200 | struct sockaddr_in addr; | |
201 | struct sockaddr_in broad; | |
202 | struct sockaddr_in mask; | |
203 | struct prefix_ipv4 ifaddr; | |
204 | struct prefix_ipv4 *p; | |
8842468c | 205 | |
d62a17ae | 206 | p = (struct prefix_ipv4 *)ifc->address; |
8842468c | 207 | |
d62a17ae | 208 | ifaddr = *p; |
8842468c | 209 | |
138a4965 | 210 | strlcpy(ifreq.ifr_name, ifp->name, sizeof(ifreq.ifr_name)); |
8842468c | 211 | |
d62a17ae | 212 | addr.sin_addr = p->prefix; |
213 | addr.sin_family = p->family; | |
214 | memcpy(&ifreq.ifr_addr, &addr, sizeof(struct sockaddr_in)); | |
8842468c | 215 | |
d62a17ae | 216 | ret = if_ioctl(SIOCSIFADDR, (caddr_t)&ifreq); |
8842468c | 217 | |
d62a17ae | 218 | if (ret < 0) |
219 | return ret; | |
8842468c | 220 | |
d62a17ae | 221 | /* We need mask for make broadcast addr. */ |
222 | masklen2ip(p->prefixlen, &mask.sin_addr); | |
8842468c | 223 | |
d62a17ae | 224 | if (if_is_broadcast(ifp)) { |
225 | apply_mask_ipv4(&ifaddr); | |
226 | addr.sin_addr = ifaddr.prefix; | |
8842468c | 227 | |
d62a17ae | 228 | broad.sin_addr.s_addr = |
229 | (addr.sin_addr.s_addr | ~mask.sin_addr.s_addr); | |
230 | broad.sin_family = p->family; | |
8842468c | 231 | |
d62a17ae | 232 | memcpy(&ifreq.ifr_broadaddr, &broad, |
233 | sizeof(struct sockaddr_in)); | |
234 | ret = if_ioctl(SIOCSIFBRDADDR, (caddr_t)&ifreq); | |
235 | if (ret < 0) | |
236 | return ret; | |
237 | } | |
8842468c | 238 | |
d62a17ae | 239 | mask.sin_family = p->family; |
8842468c | 240 | #ifdef SUNOS_5 |
d62a17ae | 241 | memcpy(&mask, &ifreq.ifr_addr, sizeof(mask)); |
8842468c | 242 | #else |
d62a17ae | 243 | memcpy(&ifreq.ifr_netmask, &mask, sizeof(struct sockaddr_in)); |
48a46fa0 | 244 | #endif /* SUNOS_5 */ |
d62a17ae | 245 | ret = if_ioctl(SIOCSIFNETMASK, (caddr_t)&ifreq); |
8842468c | 246 | |
d62a17ae | 247 | return ((ret < 0) ? ret : 0); |
8842468c | 248 | } |
249 | ||
250 | /* Set up interface's address, netmask (and broadcast). | |
251 | Solaris uses ifname:number semantics to set IP address aliases. */ | |
d62a17ae | 252 | int if_unset_prefix(struct interface *ifp, struct connected *ifc) |
8842468c | 253 | { |
d62a17ae | 254 | int ret; |
255 | struct ifreq ifreq; | |
256 | struct sockaddr_in addr; | |
257 | struct prefix_ipv4 *p; | |
258 | ||
259 | p = (struct prefix_ipv4 *)ifc->address; | |
8842468c | 260 | |
138a4965 | 261 | strlcpy(ifreq.ifr_name, ifp->name, sizeof(ifreq.ifr_name)); |
8842468c | 262 | |
d62a17ae | 263 | memset(&addr, 0, sizeof(struct sockaddr_in)); |
264 | addr.sin_family = p->family; | |
265 | memcpy(&ifreq.ifr_addr, &addr, sizeof(struct sockaddr_in)); | |
8842468c | 266 | |
d62a17ae | 267 | ret = if_ioctl(SIOCSIFADDR, (caddr_t)&ifreq); |
8842468c | 268 | |
d62a17ae | 269 | if (ret < 0) |
270 | return ret; | |
8842468c | 271 | |
d62a17ae | 272 | return 0; |
8842468c | 273 | } |
274 | ||
5c78b3d0 | 275 | /* Get just the flags for the given name. |
276 | * Used by the normal 'if_get_flags' function, as well | |
277 | * as the bootup interface-list code, which has to peek at per-address | |
278 | * flags in order to figure out which ones should be ignored.. | |
0752ef0b | 279 | */ |
d62a17ae | 280 | int if_get_flags_direct(const char *ifname, uint64_t *flags, unsigned int af) |
0752ef0b | 281 | { |
d62a17ae | 282 | struct lifreq lifreq; |
283 | int ret; | |
284 | ||
285 | lifreq_set_name(&lifreq, ifname); | |
286 | ||
287 | ret = AF_IOCTL(af, SIOCGLIFFLAGS, (caddr_t)&lifreq); | |
288 | ||
289 | if (ret) | |
290 | zlog_debug("%s: ifname %s, error %s (%d)", __func__, ifname, | |
291 | safe_strerror(errno), errno); | |
292 | ||
293 | *flags = lifreq.lifr_flags; | |
294 | ||
295 | return ret; | |
0752ef0b | 296 | } |
297 | ||
8842468c | 298 | /* get interface flags */ |
d62a17ae | 299 | void if_get_flags(struct interface *ifp) |
8842468c | 300 | { |
d62a17ae | 301 | int ret4 = 0, ret6 = 0; |
302 | uint64_t newflags = 0; | |
303 | uint64_t tmpflags; | |
304 | ||
305 | if (ifp->flags & IFF_IPV4) { | |
306 | ret4 = if_get_flags_direct(ifp->name, &tmpflags, AF_INET); | |
307 | ||
308 | if (!ret4) | |
309 | newflags |= tmpflags; | |
310 | else if (errno == ENXIO) { | |
311 | /* it's gone */ | |
312 | UNSET_FLAG(ifp->flags, IFF_UP); | |
313 | if_flags_update(ifp, ifp->flags); | |
314 | } | |
315 | } | |
316 | ||
317 | if (ifp->flags & IFF_IPV6) { | |
318 | ret6 = if_get_flags_direct(ifp->name, &tmpflags, AF_INET6); | |
319 | ||
320 | if (!ret6) | |
321 | newflags |= tmpflags; | |
322 | else if (errno == ENXIO) { | |
323 | /* it's gone */ | |
324 | UNSET_FLAG(ifp->flags, IFF_UP); | |
325 | if_flags_update(ifp, ifp->flags); | |
326 | } | |
327 | } | |
328 | ||
329 | /* only update flags if one of above succeeded */ | |
330 | if (!(ret4 && ret6)) | |
331 | if_flags_update(ifp, newflags); | |
8842468c | 332 | } |
333 | ||
334 | /* Set interface flags */ | |
d62a17ae | 335 | int if_set_flags(struct interface *ifp, uint64_t flags) |
8842468c | 336 | { |
d62a17ae | 337 | int ret; |
338 | struct lifreq lifreq; | |
339 | ||
340 | lifreq_set_name(&lifreq, ifp->name); | |
341 | ||
342 | lifreq.lifr_flags = ifp->flags; | |
343 | lifreq.lifr_flags |= flags; | |
344 | ||
345 | if (ifp->flags & IFF_IPV4) | |
346 | ret = AF_IOCTL(AF_INET, SIOCSLIFFLAGS, (caddr_t)&lifreq); | |
347 | else if (ifp->flags & IFF_IPV6) | |
348 | ret = AF_IOCTL(AF_INET6, SIOCSLIFFLAGS, (caddr_t)&lifreq); | |
349 | else | |
350 | ret = -1; | |
351 | ||
352 | if (ret < 0) | |
353 | zlog_info("can't set interface flags on %s: %s", ifp->name, | |
354 | safe_strerror(errno)); | |
355 | else | |
356 | ret = 0; | |
357 | ||
358 | return ret; | |
8842468c | 359 | } |
360 | ||
361 | /* Unset interface's flag. */ | |
d62a17ae | 362 | int if_unset_flags(struct interface *ifp, uint64_t flags) |
8842468c | 363 | { |
d62a17ae | 364 | int ret; |
365 | struct lifreq lifreq; | |
366 | ||
367 | lifreq_set_name(&lifreq, ifp->name); | |
368 | ||
369 | lifreq.lifr_flags = ifp->flags; | |
370 | lifreq.lifr_flags &= ~flags; | |
371 | ||
372 | if (ifp->flags & IFF_IPV4) | |
373 | ret = AF_IOCTL(AF_INET, SIOCSLIFFLAGS, (caddr_t)&lifreq); | |
374 | else if (ifp->flags & IFF_IPV6) | |
375 | ret = AF_IOCTL(AF_INET6, SIOCSLIFFLAGS, (caddr_t)&lifreq); | |
376 | else | |
377 | ret = -1; | |
378 | ||
379 | if (ret < 0) | |
380 | zlog_info("can't unset interface flags"); | |
381 | else | |
382 | ret = 0; | |
383 | ||
384 | return ret; | |
8842468c | 385 | } |
386 | ||
8842468c | 387 | /* Interface's address add/delete functions. */ |
d62a17ae | 388 | int if_prefix_add_ipv6(struct interface *ifp, struct connected *ifc) |
8842468c | 389 | { |
d62a17ae | 390 | char addrbuf[PREFIX_STRLEN]; |
8842468c | 391 | |
450971aa | 392 | flog_warn(EC_LIB_DEVELOPMENT, "Can't set %s on interface %s", |
d62a17ae | 393 | prefix2str(ifc->address, addrbuf, sizeof(addrbuf)), |
394 | ifp->name); | |
8842468c | 395 | |
d62a17ae | 396 | return 0; |
8842468c | 397 | } |
398 | ||
d62a17ae | 399 | int if_prefix_delete_ipv6(struct interface *ifp, struct connected *ifc) |
8842468c | 400 | { |
d62a17ae | 401 | char addrbuf[PREFIX_STRLEN]; |
8842468c | 402 | |
450971aa | 403 | flog_warn(EC_LIB_DEVELOPMENT, "Can't delete %s on interface %s", |
d62a17ae | 404 | prefix2str(ifc->address, addrbuf, sizeof(addrbuf)), |
405 | ifp->name); | |
8842468c | 406 | |
d62a17ae | 407 | return 0; |
8842468c | 408 | } |
ddfeb486 DL |
409 | |
410 | #endif /* SUNOS_5 */ |