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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" |
0f1f6ce4 | 41 | #include "zebra/debug.h" |
8842468c | 42 | |
48a46fa0 | 43 | extern struct zebra_privs_t zserv_privs; |
8842468c | 44 | |
0f1f6ce4 MS |
45 | /* Prototypes */ |
46 | static int if_set_prefix_ctx(const struct zebra_dplane_ctx *ctx); | |
47 | static int if_unset_prefix_ctx(const struct zebra_dplane_ctx *ctx); | |
48 | static int if_set_prefix6_ctx(const struct zebra_dplane_ctx *ctx); | |
49 | static int if_unset_prefix6_ctx(const struct zebra_dplane_ctx *ctx); | |
50 | ||
8842468c | 51 | /* clear and set interface name string */ |
d62a17ae | 52 | void lifreq_set_name(struct lifreq *lifreq, const char *ifname) |
8842468c | 53 | { |
138a4965 | 54 | strlcpy(lifreq->lifr_name, ifname, sizeof(lifreq->lifr_name)); |
8842468c | 55 | } |
56 | ||
d7c0a89a | 57 | int vrf_if_ioctl(unsigned long request, caddr_t buffer, vrf_id_t vrf_id) |
4db21619 PG |
58 | { |
59 | return if_ioctl(request, buffer); | |
60 | } | |
61 | ||
8842468c | 62 | /* call ioctl system call */ |
d7c0a89a | 63 | int if_ioctl(unsigned long request, caddr_t buffer) |
8842468c | 64 | { |
d62a17ae | 65 | int sock; |
66 | int ret; | |
67 | int err; | |
68 | ||
0cf6db21 | 69 | frr_with_privs(&zserv_privs) { |
01b9e3fd DL |
70 | |
71 | sock = socket(AF_INET, SOCK_DGRAM, 0); | |
72 | if (sock < 0) { | |
73 | zlog_err("Cannot create UDP socket: %s", | |
74 | safe_strerror(errno)); | |
75 | exit(1); | |
76 | } | |
d62a17ae | 77 | |
01b9e3fd DL |
78 | if ((ret = ioctl(sock, request, buffer)) < 0) |
79 | err = errno; | |
d62a17ae | 80 | |
01b9e3fd | 81 | } |
d62a17ae | 82 | |
83 | close(sock); | |
84 | ||
85 | if (ret < 0) { | |
86 | errno = err; | |
87 | return ret; | |
88 | } | |
89 | return 0; | |
8842468c | 90 | } |
91 | ||
5b73a671 | 92 | |
d7c0a89a | 93 | int if_ioctl_ipv6(unsigned long request, caddr_t buffer) |
8842468c | 94 | { |
d62a17ae | 95 | int sock; |
96 | int ret; | |
97 | int err; | |
98 | ||
0cf6db21 | 99 | frr_with_privs(&zserv_privs) { |
01b9e3fd DL |
100 | |
101 | sock = socket(AF_INET6, SOCK_DGRAM, 0); | |
102 | if (sock < 0) { | |
103 | zlog_err("Cannot create IPv6 datagram socket: %s", | |
104 | safe_strerror(errno)); | |
105 | exit(1); | |
106 | } | |
d62a17ae | 107 | |
01b9e3fd DL |
108 | if ((ret = ioctl(sock, request, buffer)) < 0) |
109 | err = errno; | |
d62a17ae | 110 | |
01b9e3fd | 111 | } |
d62a17ae | 112 | |
113 | close(sock); | |
114 | ||
115 | if (ret < 0) { | |
116 | errno = err; | |
117 | return ret; | |
118 | } | |
119 | ||
120 | return 0; | |
8842468c | 121 | } |
8842468c | 122 | |
123 | /* | |
124 | * get interface metric | |
125 | * -- if value is not avaliable set -1 | |
126 | */ | |
d62a17ae | 127 | void if_get_metric(struct interface *ifp) |
8842468c | 128 | { |
d62a17ae | 129 | struct lifreq lifreq; |
130 | int ret; | |
8842468c | 131 | |
d62a17ae | 132 | lifreq_set_name(&lifreq, ifp->name); |
8842468c | 133 | |
d62a17ae | 134 | if (ifp->flags & IFF_IPV4) |
135 | ret = AF_IOCTL(AF_INET, SIOCGLIFMETRIC, (caddr_t)&lifreq); | |
5b73a671 | 136 | #ifdef SOLARIS_IPV6 |
d62a17ae | 137 | else if (ifp->flags & IFF_IPV6) |
138 | ret = AF_IOCTL(AF_INET6, SIOCGLIFMETRIC, (caddr_t)&lifreq); | |
5b73a671 | 139 | #endif /* SOLARIS_IPV6 */ |
d62a17ae | 140 | else |
141 | ret = -1; | |
8842468c | 142 | |
d62a17ae | 143 | if (ret < 0) |
144 | return; | |
8842468c | 145 | |
d62a17ae | 146 | ifp->metric = lifreq.lifr_metric; |
147 | ||
148 | if (ifp->metric == 0) | |
149 | ifp->metric = 1; | |
8842468c | 150 | } |
151 | ||
152 | /* get interface MTU */ | |
d62a17ae | 153 | void if_get_mtu(struct interface *ifp) |
8842468c | 154 | { |
d62a17ae | 155 | struct lifreq lifreq; |
156 | int ret; | |
d7c0a89a | 157 | uint8_t changed = 0; |
d62a17ae | 158 | |
159 | if (ifp->flags & IFF_IPV4) { | |
160 | lifreq_set_name(&lifreq, ifp->name); | |
161 | ret = AF_IOCTL(AF_INET, SIOCGLIFMTU, (caddr_t)&lifreq); | |
162 | if (ret < 0) { | |
163 | zlog_info( | |
164 | "Can't lookup mtu on %s by ioctl(SIOCGLIFMTU)", | |
165 | ifp->name); | |
166 | ifp->mtu = -1; | |
167 | } else { | |
168 | ifp->mtu = lifreq.lifr_metric; | |
169 | changed = 1; | |
170 | } | |
171 | } | |
172 | ||
173 | if (ifp->flags & IFF_IPV6) { | |
174 | memset(&lifreq, 0, sizeof(lifreq)); | |
175 | lifreq_set_name(&lifreq, ifp->name); | |
176 | ||
177 | ret = AF_IOCTL(AF_INET6, SIOCGLIFMTU, (caddr_t)&lifreq); | |
178 | if (ret < 0) { | |
179 | zlog_info( | |
180 | "Can't lookup mtu6 on %s by ioctl(SIOCGIFMTU)", | |
181 | ifp->name); | |
182 | ifp->mtu6 = -1; | |
183 | } else { | |
184 | ifp->mtu6 = lifreq.lifr_metric; | |
185 | changed = 1; | |
186 | } | |
187 | } | |
188 | ||
189 | if (changed) | |
190 | zebra_interface_up_update(ifp); | |
8842468c | 191 | } |
192 | ||
64168803 | 193 | /* |
0f1f6ce4 | 194 | * |
64168803 | 195 | */ |
0f1f6ce4 MS |
196 | enum zebra_dplane_result kernel_address_update_ctx( |
197 | struct zebra_dplane_ctx *ctx) | |
64168803 | 198 | { |
0f1f6ce4 MS |
199 | int ret = -1; |
200 | const struct prefix *p; | |
201 | ||
202 | p = dplane_ctx_get_intf_addr(ctx); | |
203 | ||
204 | if (dplane_ctx_get_op(ctx) == DPLANE_OP_ADDR_INSTALL) { | |
205 | if (p->family == AF_INET) | |
206 | ret = if_set_prefix_ctx(ctx); | |
207 | else | |
208 | ret = if_set_prefix6_ctx(ctx); | |
209 | } else if (dplane_ctx_get_op(ctx) == DPLANE_OP_ADDR_UNINSTALL) { | |
210 | if (p->family == AF_INET) | |
211 | ret = if_unset_prefix_ctx(ctx); | |
212 | else | |
213 | ret = if_unset_prefix6_ctx(ctx); | |
214 | } else { | |
215 | if (IS_ZEBRA_DEBUG_DPLANE) | |
216 | zlog_debug("Invalid op in interface-addr install"); | |
217 | } | |
218 | ||
219 | return (ret == 0 ? | |
220 | ZEBRA_DPLANE_REQUEST_SUCCESS : ZEBRA_DPLANE_REQUEST_FAILURE); | |
64168803 MS |
221 | } |
222 | ||
8842468c | 223 | /* Set up interface's address, netmask (and broadcast? ). |
224 | Solaris uses ifname:number semantics to set IP address aliases. */ | |
0f1f6ce4 | 225 | static int if_set_prefix_ctx(const struct zebra_dplane_ctx *ctx) |
8842468c | 226 | { |
d62a17ae | 227 | int ret; |
228 | struct ifreq ifreq; | |
0f1f6ce4 | 229 | struct sockaddr_in addr, broad, mask; |
d62a17ae | 230 | struct prefix_ipv4 ifaddr; |
231 | struct prefix_ipv4 *p; | |
8842468c | 232 | |
0f1f6ce4 | 233 | p = (struct prefix_ipv4 *)dplane_ctx_get_intf_addr(ctx); |
8842468c | 234 | |
d62a17ae | 235 | ifaddr = *p; |
8842468c | 236 | |
0f1f6ce4 MS |
237 | strlcpy(ifreq.ifr_name, dplane_ctx_get_ifname(ctx), |
238 | sizeof(ifreq.ifr_name)); | |
8842468c | 239 | |
d62a17ae | 240 | addr.sin_addr = p->prefix; |
241 | addr.sin_family = p->family; | |
242 | memcpy(&ifreq.ifr_addr, &addr, sizeof(struct sockaddr_in)); | |
8842468c | 243 | |
d62a17ae | 244 | ret = if_ioctl(SIOCSIFADDR, (caddr_t)&ifreq); |
8842468c | 245 | |
d62a17ae | 246 | if (ret < 0) |
247 | return ret; | |
8842468c | 248 | |
d62a17ae | 249 | /* We need mask for make broadcast addr. */ |
250 | masklen2ip(p->prefixlen, &mask.sin_addr); | |
8842468c | 251 | |
0f1f6ce4 | 252 | if (dplane_ctx_intf_is_broadcast(ctx)) { |
d62a17ae | 253 | apply_mask_ipv4(&ifaddr); |
254 | addr.sin_addr = ifaddr.prefix; | |
8842468c | 255 | |
d62a17ae | 256 | broad.sin_addr.s_addr = |
257 | (addr.sin_addr.s_addr | ~mask.sin_addr.s_addr); | |
258 | broad.sin_family = p->family; | |
8842468c | 259 | |
d62a17ae | 260 | memcpy(&ifreq.ifr_broadaddr, &broad, |
261 | sizeof(struct sockaddr_in)); | |
262 | ret = if_ioctl(SIOCSIFBRDADDR, (caddr_t)&ifreq); | |
263 | if (ret < 0) | |
264 | return ret; | |
265 | } | |
8842468c | 266 | |
d62a17ae | 267 | mask.sin_family = p->family; |
8842468c | 268 | #ifdef SUNOS_5 |
d62a17ae | 269 | memcpy(&mask, &ifreq.ifr_addr, sizeof(mask)); |
8842468c | 270 | #else |
d62a17ae | 271 | memcpy(&ifreq.ifr_netmask, &mask, sizeof(struct sockaddr_in)); |
48a46fa0 | 272 | #endif /* SUNOS_5 */ |
d62a17ae | 273 | ret = if_ioctl(SIOCSIFNETMASK, (caddr_t)&ifreq); |
8842468c | 274 | |
d62a17ae | 275 | return ((ret < 0) ? ret : 0); |
8842468c | 276 | } |
277 | ||
278 | /* Set up interface's address, netmask (and broadcast). | |
279 | Solaris uses ifname:number semantics to set IP address aliases. */ | |
0f1f6ce4 | 280 | static int if_unset_prefix_ctx(const struct zebra_dplane_ctx *ctx) |
8842468c | 281 | { |
d62a17ae | 282 | int ret; |
283 | struct ifreq ifreq; | |
284 | struct sockaddr_in addr; | |
285 | struct prefix_ipv4 *p; | |
286 | ||
0f1f6ce4 | 287 | p = (struct prefix_ipv4 *)dplane_ctx_get_intf_addr(ctx); |
8842468c | 288 | |
fcb072cd | 289 | strlcpy(ifreq.ifr_name, dplane_ctx_get_ifname(ctx), |
0f1f6ce4 | 290 | sizeof(ifreq.ifr_name)); |
8842468c | 291 | |
d62a17ae | 292 | memset(&addr, 0, sizeof(struct sockaddr_in)); |
293 | addr.sin_family = p->family; | |
294 | memcpy(&ifreq.ifr_addr, &addr, sizeof(struct sockaddr_in)); | |
8842468c | 295 | |
d62a17ae | 296 | ret = if_ioctl(SIOCSIFADDR, (caddr_t)&ifreq); |
8842468c | 297 | |
d62a17ae | 298 | if (ret < 0) |
299 | return ret; | |
8842468c | 300 | |
d62a17ae | 301 | return 0; |
8842468c | 302 | } |
303 | ||
5c78b3d0 | 304 | /* Get just the flags for the given name. |
305 | * Used by the normal 'if_get_flags' function, as well | |
306 | * as the bootup interface-list code, which has to peek at per-address | |
307 | * flags in order to figure out which ones should be ignored.. | |
0752ef0b | 308 | */ |
d62a17ae | 309 | int if_get_flags_direct(const char *ifname, uint64_t *flags, unsigned int af) |
0752ef0b | 310 | { |
d62a17ae | 311 | struct lifreq lifreq; |
312 | int ret; | |
313 | ||
314 | lifreq_set_name(&lifreq, ifname); | |
315 | ||
316 | ret = AF_IOCTL(af, SIOCGLIFFLAGS, (caddr_t)&lifreq); | |
317 | ||
318 | if (ret) | |
319 | zlog_debug("%s: ifname %s, error %s (%d)", __func__, ifname, | |
320 | safe_strerror(errno), errno); | |
321 | ||
322 | *flags = lifreq.lifr_flags; | |
323 | ||
324 | return ret; | |
0752ef0b | 325 | } |
326 | ||
8842468c | 327 | /* get interface flags */ |
d62a17ae | 328 | void if_get_flags(struct interface *ifp) |
8842468c | 329 | { |
d62a17ae | 330 | int ret4 = 0, ret6 = 0; |
331 | uint64_t newflags = 0; | |
332 | uint64_t tmpflags; | |
333 | ||
334 | if (ifp->flags & IFF_IPV4) { | |
335 | ret4 = if_get_flags_direct(ifp->name, &tmpflags, AF_INET); | |
336 | ||
337 | if (!ret4) | |
338 | newflags |= tmpflags; | |
339 | else if (errno == ENXIO) { | |
340 | /* it's gone */ | |
341 | UNSET_FLAG(ifp->flags, IFF_UP); | |
342 | if_flags_update(ifp, ifp->flags); | |
343 | } | |
344 | } | |
345 | ||
346 | if (ifp->flags & IFF_IPV6) { | |
347 | ret6 = if_get_flags_direct(ifp->name, &tmpflags, AF_INET6); | |
348 | ||
349 | if (!ret6) | |
350 | newflags |= tmpflags; | |
351 | else if (errno == ENXIO) { | |
352 | /* it's gone */ | |
353 | UNSET_FLAG(ifp->flags, IFF_UP); | |
354 | if_flags_update(ifp, ifp->flags); | |
355 | } | |
356 | } | |
357 | ||
358 | /* only update flags if one of above succeeded */ | |
359 | if (!(ret4 && ret6)) | |
360 | if_flags_update(ifp, newflags); | |
8842468c | 361 | } |
362 | ||
363 | /* Set interface flags */ | |
d62a17ae | 364 | int if_set_flags(struct interface *ifp, uint64_t flags) |
8842468c | 365 | { |
d62a17ae | 366 | int ret; |
367 | struct lifreq lifreq; | |
368 | ||
369 | lifreq_set_name(&lifreq, ifp->name); | |
370 | ||
371 | lifreq.lifr_flags = ifp->flags; | |
372 | lifreq.lifr_flags |= flags; | |
373 | ||
374 | if (ifp->flags & IFF_IPV4) | |
375 | ret = AF_IOCTL(AF_INET, SIOCSLIFFLAGS, (caddr_t)&lifreq); | |
376 | else if (ifp->flags & IFF_IPV6) | |
377 | ret = AF_IOCTL(AF_INET6, SIOCSLIFFLAGS, (caddr_t)&lifreq); | |
378 | else | |
379 | ret = -1; | |
380 | ||
381 | if (ret < 0) | |
382 | zlog_info("can't set interface flags on %s: %s", ifp->name, | |
383 | safe_strerror(errno)); | |
384 | else | |
385 | ret = 0; | |
386 | ||
387 | return ret; | |
8842468c | 388 | } |
389 | ||
390 | /* Unset interface's flag. */ | |
d62a17ae | 391 | int if_unset_flags(struct interface *ifp, uint64_t flags) |
8842468c | 392 | { |
d62a17ae | 393 | int ret; |
394 | struct lifreq lifreq; | |
395 | ||
396 | lifreq_set_name(&lifreq, ifp->name); | |
397 | ||
398 | lifreq.lifr_flags = ifp->flags; | |
399 | lifreq.lifr_flags &= ~flags; | |
400 | ||
401 | if (ifp->flags & IFF_IPV4) | |
402 | ret = AF_IOCTL(AF_INET, SIOCSLIFFLAGS, (caddr_t)&lifreq); | |
403 | else if (ifp->flags & IFF_IPV6) | |
404 | ret = AF_IOCTL(AF_INET6, SIOCSLIFFLAGS, (caddr_t)&lifreq); | |
405 | else | |
406 | ret = -1; | |
407 | ||
408 | if (ret < 0) | |
409 | zlog_info("can't unset interface flags"); | |
410 | else | |
411 | ret = 0; | |
412 | ||
413 | return ret; | |
8842468c | 414 | } |
415 | ||
8842468c | 416 | /* Interface's address add/delete functions. */ |
0f1f6ce4 | 417 | static int if_set_prefix6_ctx(const struct zebra_dplane_ctx *ctx) |
8842468c | 418 | { |
d62a17ae | 419 | char addrbuf[PREFIX_STRLEN]; |
8842468c | 420 | |
0f1f6ce4 MS |
421 | prefix2str(dplane_ctx_get_intf_addr(ctx), addrbuf, sizeof(addrbuf)); |
422 | ||
450971aa | 423 | flog_warn(EC_LIB_DEVELOPMENT, "Can't set %s on interface %s", |
0f1f6ce4 | 424 | addrbuf, dplane_ctx_get_ifname(ctx)); |
8842468c | 425 | |
d62a17ae | 426 | return 0; |
8842468c | 427 | } |
428 | ||
0f1f6ce4 | 429 | static int if_unset_prefix6_ctx(const struct zebra_dplane_ctx *ctx) |
8842468c | 430 | { |
d62a17ae | 431 | char addrbuf[PREFIX_STRLEN]; |
8842468c | 432 | |
0f1f6ce4 MS |
433 | prefix2str(dplane_ctx_get_intf_addr(ctx), addrbuf, sizeof(addrbuf)); |
434 | ||
450971aa | 435 | flog_warn(EC_LIB_DEVELOPMENT, "Can't delete %s on interface %s", |
0f1f6ce4 | 436 | addrbuf, dplane_ctx_get_ifname(ctx)); |
8842468c | 437 | |
d62a17ae | 438 | return 0; |
8842468c | 439 | } |
ddfeb486 DL |
440 | |
441 | #endif /* SUNOS_5 */ |