2 * Common ioctl functions for Solaris.
3 * Copyright (C) 1997, 98 Kunihiro Ishiguro
5 * This file is part of GNU Zebra.
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
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.
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
34 #include "zebra/rib.h"
36 #include "zebra/interface.h"
37 #include "zebra/ioctl_solaris.h"
39 extern struct zebra_privs_t zserv_privs
;
41 /* clear and set interface name string */
42 void lifreq_set_name(struct lifreq
*lifreq
, const char *ifname
)
44 strncpy(lifreq
->lifr_name
, ifname
, IFNAMSIZ
);
47 /* call ioctl system call */
48 int if_ioctl(u_long request
, caddr_t buffer
)
54 if (zserv_privs
.change(ZPRIVS_RAISE
))
55 zlog_err("Can't raise privileges");
57 sock
= socket(AF_INET
, SOCK_DGRAM
, 0);
59 int save_errno
= errno
;
60 if (zserv_privs
.change(ZPRIVS_LOWER
))
61 zlog_err("Can't lower privileges");
62 zlog_err("Cannot create UDP socket: %s",
63 safe_strerror(save_errno
));
67 if ((ret
= ioctl(sock
, request
, buffer
)) < 0)
70 if (zserv_privs
.change(ZPRIVS_LOWER
))
71 zlog_err("Can't lower privileges");
83 int if_ioctl_ipv6(u_long request
, caddr_t buffer
)
89 if (zserv_privs
.change(ZPRIVS_RAISE
))
90 zlog_err("Can't raise privileges");
92 sock
= socket(AF_INET6
, SOCK_DGRAM
, 0);
94 int save_errno
= errno
;
95 if (zserv_privs
.change(ZPRIVS_LOWER
))
96 zlog_err("Can't lower privileges");
97 zlog_err("Cannot create IPv6 datagram socket: %s",
98 safe_strerror(save_errno
));
102 if ((ret
= ioctl(sock
, request
, buffer
)) < 0)
105 if (zserv_privs
.change(ZPRIVS_LOWER
))
106 zlog_err("Can't lower privileges");
119 * get interface metric
120 * -- if value is not avaliable set -1
122 void if_get_metric(struct interface
*ifp
)
124 struct lifreq lifreq
;
127 lifreq_set_name(&lifreq
, ifp
->name
);
129 if (ifp
->flags
& IFF_IPV4
)
130 ret
= AF_IOCTL(AF_INET
, SIOCGLIFMETRIC
, (caddr_t
)&lifreq
);
132 else if (ifp
->flags
& IFF_IPV6
)
133 ret
= AF_IOCTL(AF_INET6
, SIOCGLIFMETRIC
, (caddr_t
)&lifreq
);
134 #endif /* SOLARIS_IPV6 */
141 ifp
->metric
= lifreq
.lifr_metric
;
143 if (ifp
->metric
== 0)
147 /* get interface MTU */
148 void if_get_mtu(struct interface
*ifp
)
150 struct lifreq lifreq
;
154 if (ifp
->flags
& IFF_IPV4
) {
155 lifreq_set_name(&lifreq
, ifp
->name
);
156 ret
= AF_IOCTL(AF_INET
, SIOCGLIFMTU
, (caddr_t
)&lifreq
);
159 "Can't lookup mtu on %s by ioctl(SIOCGLIFMTU)",
163 ifp
->mtu
= lifreq
.lifr_metric
;
168 if (ifp
->flags
& IFF_IPV6
) {
169 memset(&lifreq
, 0, sizeof(lifreq
));
170 lifreq_set_name(&lifreq
, ifp
->name
);
172 ret
= AF_IOCTL(AF_INET6
, SIOCGLIFMTU
, (caddr_t
)&lifreq
);
175 "Can't lookup mtu6 on %s by ioctl(SIOCGIFMTU)",
179 ifp
->mtu6
= lifreq
.lifr_metric
;
185 zebra_interface_up_update(ifp
);
188 /* Set up interface's address, netmask (and broadcast? ).
189 Solaris uses ifname:number semantics to set IP address aliases. */
190 int if_set_prefix(struct interface
*ifp
, struct connected
*ifc
)
194 struct sockaddr_in addr
;
195 struct sockaddr_in broad
;
196 struct sockaddr_in mask
;
197 struct prefix_ipv4 ifaddr
;
198 struct prefix_ipv4
*p
;
200 p
= (struct prefix_ipv4
*)ifc
->address
;
204 strncpy(ifreq
.ifr_name
, ifp
->name
, IFNAMSIZ
);
206 addr
.sin_addr
= p
->prefix
;
207 addr
.sin_family
= p
->family
;
208 memcpy(&ifreq
.ifr_addr
, &addr
, sizeof(struct sockaddr_in
));
210 ret
= if_ioctl(SIOCSIFADDR
, (caddr_t
)&ifreq
);
215 /* We need mask for make broadcast addr. */
216 masklen2ip(p
->prefixlen
, &mask
.sin_addr
);
218 if (if_is_broadcast(ifp
)) {
219 apply_mask_ipv4(&ifaddr
);
220 addr
.sin_addr
= ifaddr
.prefix
;
222 broad
.sin_addr
.s_addr
=
223 (addr
.sin_addr
.s_addr
| ~mask
.sin_addr
.s_addr
);
224 broad
.sin_family
= p
->family
;
226 memcpy(&ifreq
.ifr_broadaddr
, &broad
,
227 sizeof(struct sockaddr_in
));
228 ret
= if_ioctl(SIOCSIFBRDADDR
, (caddr_t
)&ifreq
);
233 mask
.sin_family
= p
->family
;
235 memcpy(&mask
, &ifreq
.ifr_addr
, sizeof(mask
));
237 memcpy(&ifreq
.ifr_netmask
, &mask
, sizeof(struct sockaddr_in
));
239 ret
= if_ioctl(SIOCSIFNETMASK
, (caddr_t
)&ifreq
);
241 return ((ret
< 0) ? ret
: 0);
244 /* Set up interface's address, netmask (and broadcast).
245 Solaris uses ifname:number semantics to set IP address aliases. */
246 int if_unset_prefix(struct interface
*ifp
, struct connected
*ifc
)
250 struct sockaddr_in addr
;
251 struct prefix_ipv4
*p
;
253 p
= (struct prefix_ipv4
*)ifc
->address
;
255 strncpy(ifreq
.ifr_name
, ifp
->name
, IFNAMSIZ
);
257 memset(&addr
, 0, sizeof(struct sockaddr_in
));
258 addr
.sin_family
= p
->family
;
259 memcpy(&ifreq
.ifr_addr
, &addr
, sizeof(struct sockaddr_in
));
261 ret
= if_ioctl(SIOCSIFADDR
, (caddr_t
)&ifreq
);
269 /* Get just the flags for the given name.
270 * Used by the normal 'if_get_flags' function, as well
271 * as the bootup interface-list code, which has to peek at per-address
272 * flags in order to figure out which ones should be ignored..
274 int if_get_flags_direct(const char *ifname
, uint64_t *flags
, unsigned int af
)
276 struct lifreq lifreq
;
279 lifreq_set_name(&lifreq
, ifname
);
281 ret
= AF_IOCTL(af
, SIOCGLIFFLAGS
, (caddr_t
)&lifreq
);
284 zlog_debug("%s: ifname %s, error %s (%d)", __func__
, ifname
,
285 safe_strerror(errno
), errno
);
287 *flags
= lifreq
.lifr_flags
;
292 /* get interface flags */
293 void if_get_flags(struct interface
*ifp
)
295 int ret4
= 0, ret6
= 0;
296 uint64_t newflags
= 0;
299 if (ifp
->flags
& IFF_IPV4
) {
300 ret4
= if_get_flags_direct(ifp
->name
, &tmpflags
, AF_INET
);
303 newflags
|= tmpflags
;
304 else if (errno
== ENXIO
) {
306 UNSET_FLAG(ifp
->flags
, IFF_UP
);
307 if_flags_update(ifp
, ifp
->flags
);
311 if (ifp
->flags
& IFF_IPV6
) {
312 ret6
= if_get_flags_direct(ifp
->name
, &tmpflags
, AF_INET6
);
315 newflags
|= tmpflags
;
316 else if (errno
== ENXIO
) {
318 UNSET_FLAG(ifp
->flags
, IFF_UP
);
319 if_flags_update(ifp
, ifp
->flags
);
323 /* only update flags if one of above succeeded */
325 if_flags_update(ifp
, newflags
);
328 /* Set interface flags */
329 int if_set_flags(struct interface
*ifp
, uint64_t flags
)
332 struct lifreq lifreq
;
334 lifreq_set_name(&lifreq
, ifp
->name
);
336 lifreq
.lifr_flags
= ifp
->flags
;
337 lifreq
.lifr_flags
|= flags
;
339 if (ifp
->flags
& IFF_IPV4
)
340 ret
= AF_IOCTL(AF_INET
, SIOCSLIFFLAGS
, (caddr_t
)&lifreq
);
341 else if (ifp
->flags
& IFF_IPV6
)
342 ret
= AF_IOCTL(AF_INET6
, SIOCSLIFFLAGS
, (caddr_t
)&lifreq
);
347 zlog_info("can't set interface flags on %s: %s", ifp
->name
,
348 safe_strerror(errno
));
355 /* Unset interface's flag. */
356 int if_unset_flags(struct interface
*ifp
, uint64_t flags
)
359 struct lifreq lifreq
;
361 lifreq_set_name(&lifreq
, ifp
->name
);
363 lifreq
.lifr_flags
= ifp
->flags
;
364 lifreq
.lifr_flags
&= ~flags
;
366 if (ifp
->flags
& IFF_IPV4
)
367 ret
= AF_IOCTL(AF_INET
, SIOCSLIFFLAGS
, (caddr_t
)&lifreq
);
368 else if (ifp
->flags
& IFF_IPV6
)
369 ret
= AF_IOCTL(AF_INET6
, SIOCSLIFFLAGS
, (caddr_t
)&lifreq
);
374 zlog_info("can't unset interface flags");
381 /* Interface's address add/delete functions. */
382 int if_prefix_add_ipv6(struct interface
*ifp
, struct connected
*ifc
)
384 char addrbuf
[PREFIX_STRLEN
];
386 zlog_warn("Can't set %s on interface %s",
387 prefix2str(ifc
->address
, addrbuf
, sizeof(addrbuf
)),
393 int if_prefix_delete_ipv6(struct interface
*ifp
, struct connected
*ifc
)
395 char addrbuf
[PREFIX_STRLEN
];
397 zlog_warn("Can't delete %s on interface %s",
398 prefix2str(ifc
->address
, addrbuf
, sizeof(addrbuf
)),