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 "lib_errors.h"
36 #include "zebra/rib.h"
38 #include "zebra/interface.h"
39 #include "zebra/ioctl_solaris.h"
41 extern struct zebra_privs_t zserv_privs
;
43 /* clear and set interface name string */
44 void lifreq_set_name(struct lifreq
*lifreq
, const char *ifname
)
46 strncpy(lifreq
->lifr_name
, ifname
, IFNAMSIZ
);
49 int vrf_if_ioctl(unsigned long request
, caddr_t buffer
, vrf_id_t vrf_id
)
51 return if_ioctl(request
, buffer
);
54 /* call ioctl system call */
55 int if_ioctl(unsigned long request
, caddr_t buffer
)
61 if (zserv_privs
.change(ZPRIVS_RAISE
))
62 flog_err(LIB_ERR_PRIVILEGES
, "Can't raise privileges");
64 sock
= socket(AF_INET
, SOCK_DGRAM
, 0);
66 int save_errno
= errno
;
67 if (zserv_privs
.change(ZPRIVS_LOWER
))
68 flog_err(LIB_ERR_PRIVILEGES
, "Can't lower privileges");
69 flog_err(LIB_ERR_SOCKET
, "Cannot create UDP socket: %s",
70 safe_strerror(save_errno
));
74 if ((ret
= ioctl(sock
, request
, buffer
)) < 0)
77 if (zserv_privs
.change(ZPRIVS_LOWER
))
78 flog_err(LIB_ERR_PRIVILEGES
, "Can't lower privileges");
90 int if_ioctl_ipv6(unsigned long request
, caddr_t buffer
)
96 if (zserv_privs
.change(ZPRIVS_RAISE
))
97 flog_err(LIB_ERR_PRIVILEGES
, "Can't raise privileges");
99 sock
= socket(AF_INET6
, SOCK_DGRAM
, 0);
101 int save_errno
= errno
;
102 if (zserv_privs
.change(ZPRIVS_LOWER
))
103 flog_err(LIB_ERR_PRIVILEGES
, "Can't lower privileges");
104 flog_err(LIB_ERR_SOCKET
,
105 "Cannot create IPv6 datagram socket: %s",
106 safe_strerror(save_errno
));
110 if ((ret
= ioctl(sock
, request
, buffer
)) < 0)
113 if (zserv_privs
.change(ZPRIVS_LOWER
))
114 flog_err(LIB_ERR_PRIVILEGES
, "Can't lower privileges");
127 * get interface metric
128 * -- if value is not avaliable set -1
130 void if_get_metric(struct interface
*ifp
)
132 struct lifreq lifreq
;
135 lifreq_set_name(&lifreq
, ifp
->name
);
137 if (ifp
->flags
& IFF_IPV4
)
138 ret
= AF_IOCTL(AF_INET
, SIOCGLIFMETRIC
, (caddr_t
)&lifreq
);
140 else if (ifp
->flags
& IFF_IPV6
)
141 ret
= AF_IOCTL(AF_INET6
, SIOCGLIFMETRIC
, (caddr_t
)&lifreq
);
142 #endif /* SOLARIS_IPV6 */
149 ifp
->metric
= lifreq
.lifr_metric
;
151 if (ifp
->metric
== 0)
155 /* get interface MTU */
156 void if_get_mtu(struct interface
*ifp
)
158 struct lifreq lifreq
;
162 if (ifp
->flags
& IFF_IPV4
) {
163 lifreq_set_name(&lifreq
, ifp
->name
);
164 ret
= AF_IOCTL(AF_INET
, SIOCGLIFMTU
, (caddr_t
)&lifreq
);
167 "Can't lookup mtu on %s by ioctl(SIOCGLIFMTU)",
171 ifp
->mtu
= lifreq
.lifr_metric
;
176 if (ifp
->flags
& IFF_IPV6
) {
177 memset(&lifreq
, 0, sizeof(lifreq
));
178 lifreq_set_name(&lifreq
, ifp
->name
);
180 ret
= AF_IOCTL(AF_INET6
, SIOCGLIFMTU
, (caddr_t
)&lifreq
);
183 "Can't lookup mtu6 on %s by ioctl(SIOCGIFMTU)",
187 ifp
->mtu6
= lifreq
.lifr_metric
;
193 zebra_interface_up_update(ifp
);
196 /* Set up interface's address, netmask (and broadcast? ).
197 Solaris uses ifname:number semantics to set IP address aliases. */
198 int if_set_prefix(struct interface
*ifp
, struct connected
*ifc
)
202 struct sockaddr_in addr
;
203 struct sockaddr_in broad
;
204 struct sockaddr_in mask
;
205 struct prefix_ipv4 ifaddr
;
206 struct prefix_ipv4
*p
;
208 p
= (struct prefix_ipv4
*)ifc
->address
;
212 strncpy(ifreq
.ifr_name
, ifp
->name
, IFNAMSIZ
);
214 addr
.sin_addr
= p
->prefix
;
215 addr
.sin_family
= p
->family
;
216 memcpy(&ifreq
.ifr_addr
, &addr
, sizeof(struct sockaddr_in
));
218 ret
= if_ioctl(SIOCSIFADDR
, (caddr_t
)&ifreq
);
223 /* We need mask for make broadcast addr. */
224 masklen2ip(p
->prefixlen
, &mask
.sin_addr
);
226 if (if_is_broadcast(ifp
)) {
227 apply_mask_ipv4(&ifaddr
);
228 addr
.sin_addr
= ifaddr
.prefix
;
230 broad
.sin_addr
.s_addr
=
231 (addr
.sin_addr
.s_addr
| ~mask
.sin_addr
.s_addr
);
232 broad
.sin_family
= p
->family
;
234 memcpy(&ifreq
.ifr_broadaddr
, &broad
,
235 sizeof(struct sockaddr_in
));
236 ret
= if_ioctl(SIOCSIFBRDADDR
, (caddr_t
)&ifreq
);
241 mask
.sin_family
= p
->family
;
243 memcpy(&mask
, &ifreq
.ifr_addr
, sizeof(mask
));
245 memcpy(&ifreq
.ifr_netmask
, &mask
, sizeof(struct sockaddr_in
));
247 ret
= if_ioctl(SIOCSIFNETMASK
, (caddr_t
)&ifreq
);
249 return ((ret
< 0) ? ret
: 0);
252 /* Set up interface's address, netmask (and broadcast).
253 Solaris uses ifname:number semantics to set IP address aliases. */
254 int if_unset_prefix(struct interface
*ifp
, struct connected
*ifc
)
258 struct sockaddr_in addr
;
259 struct prefix_ipv4
*p
;
261 p
= (struct prefix_ipv4
*)ifc
->address
;
263 strncpy(ifreq
.ifr_name
, ifp
->name
, IFNAMSIZ
);
265 memset(&addr
, 0, sizeof(struct sockaddr_in
));
266 addr
.sin_family
= p
->family
;
267 memcpy(&ifreq
.ifr_addr
, &addr
, sizeof(struct sockaddr_in
));
269 ret
= if_ioctl(SIOCSIFADDR
, (caddr_t
)&ifreq
);
277 /* Get just the flags for the given name.
278 * Used by the normal 'if_get_flags' function, as well
279 * as the bootup interface-list code, which has to peek at per-address
280 * flags in order to figure out which ones should be ignored..
282 int if_get_flags_direct(const char *ifname
, uint64_t *flags
, unsigned int af
)
284 struct lifreq lifreq
;
287 lifreq_set_name(&lifreq
, ifname
);
289 ret
= AF_IOCTL(af
, SIOCGLIFFLAGS
, (caddr_t
)&lifreq
);
292 zlog_debug("%s: ifname %s, error %s (%d)", __func__
, ifname
,
293 safe_strerror(errno
), errno
);
295 *flags
= lifreq
.lifr_flags
;
300 /* get interface flags */
301 void if_get_flags(struct interface
*ifp
)
303 int ret4
= 0, ret6
= 0;
304 uint64_t newflags
= 0;
307 if (ifp
->flags
& IFF_IPV4
) {
308 ret4
= if_get_flags_direct(ifp
->name
, &tmpflags
, AF_INET
);
311 newflags
|= tmpflags
;
312 else if (errno
== ENXIO
) {
314 UNSET_FLAG(ifp
->flags
, IFF_UP
);
315 if_flags_update(ifp
, ifp
->flags
);
319 if (ifp
->flags
& IFF_IPV6
) {
320 ret6
= if_get_flags_direct(ifp
->name
, &tmpflags
, AF_INET6
);
323 newflags
|= tmpflags
;
324 else if (errno
== ENXIO
) {
326 UNSET_FLAG(ifp
->flags
, IFF_UP
);
327 if_flags_update(ifp
, ifp
->flags
);
331 /* only update flags if one of above succeeded */
333 if_flags_update(ifp
, newflags
);
336 /* Set interface flags */
337 int if_set_flags(struct interface
*ifp
, uint64_t flags
)
340 struct lifreq lifreq
;
342 lifreq_set_name(&lifreq
, ifp
->name
);
344 lifreq
.lifr_flags
= ifp
->flags
;
345 lifreq
.lifr_flags
|= flags
;
347 if (ifp
->flags
& IFF_IPV4
)
348 ret
= AF_IOCTL(AF_INET
, SIOCSLIFFLAGS
, (caddr_t
)&lifreq
);
349 else if (ifp
->flags
& IFF_IPV6
)
350 ret
= AF_IOCTL(AF_INET6
, SIOCSLIFFLAGS
, (caddr_t
)&lifreq
);
355 zlog_info("can't set interface flags on %s: %s", ifp
->name
,
356 safe_strerror(errno
));
363 /* Unset interface's flag. */
364 int if_unset_flags(struct interface
*ifp
, uint64_t flags
)
367 struct lifreq lifreq
;
369 lifreq_set_name(&lifreq
, ifp
->name
);
371 lifreq
.lifr_flags
= ifp
->flags
;
372 lifreq
.lifr_flags
&= ~flags
;
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
);
382 zlog_info("can't unset interface flags");
389 /* Interface's address add/delete functions. */
390 int if_prefix_add_ipv6(struct interface
*ifp
, struct connected
*ifc
)
392 char addrbuf
[PREFIX_STRLEN
];
394 zlog_warn("Can't set %s on interface %s",
395 prefix2str(ifc
->address
, addrbuf
, sizeof(addrbuf
)),
401 int if_prefix_delete_ipv6(struct interface
*ifp
, struct connected
*ifc
)
403 char addrbuf
[PREFIX_STRLEN
];
405 zlog_warn("Can't delete %s on interface %s",
406 prefix2str(ifc
->address
, addrbuf
, sizeof(addrbuf
)),