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
35 #include "zebra/rib.h"
37 #include "zebra/interface.h"
38 #include "zebra/ioctl_solaris.h"
40 extern struct zebra_privs_t zserv_privs
;
42 /* clear and set interface name string */
43 void lifreq_set_name(struct lifreq
*lifreq
, const char *ifname
)
45 strncpy(lifreq
->lifr_name
, ifname
, IFNAMSIZ
);
48 int vrf_if_ioctl(u_long request
, caddr_t buffer
, vrf_id_t vrf_id
)
50 return if_ioctl(request
, buffer
);
53 /* call ioctl system call */
54 int if_ioctl(u_long request
, caddr_t buffer
)
60 if (zserv_privs
.change(ZPRIVS_RAISE
))
61 zlog_err("Can't raise privileges");
63 sock
= socket(AF_INET
, SOCK_DGRAM
, 0);
65 int save_errno
= errno
;
66 if (zserv_privs
.change(ZPRIVS_LOWER
))
67 zlog_err("Can't lower privileges");
68 zlog_err("Cannot create UDP socket: %s",
69 safe_strerror(save_errno
));
73 if ((ret
= ioctl(sock
, request
, buffer
)) < 0)
76 if (zserv_privs
.change(ZPRIVS_LOWER
))
77 zlog_err("Can't lower privileges");
89 int if_ioctl_ipv6(u_long request
, caddr_t buffer
)
95 if (zserv_privs
.change(ZPRIVS_RAISE
))
96 zlog_err("Can't raise privileges");
98 sock
= socket(AF_INET6
, SOCK_DGRAM
, 0);
100 int save_errno
= errno
;
101 if (zserv_privs
.change(ZPRIVS_LOWER
))
102 zlog_err("Can't lower privileges");
103 zlog_err("Cannot create IPv6 datagram socket: %s",
104 safe_strerror(save_errno
));
108 if ((ret
= ioctl(sock
, request
, buffer
)) < 0)
111 if (zserv_privs
.change(ZPRIVS_LOWER
))
112 zlog_err("Can't lower privileges");
125 * get interface metric
126 * -- if value is not avaliable set -1
128 void if_get_metric(struct interface
*ifp
)
130 struct lifreq lifreq
;
133 lifreq_set_name(&lifreq
, ifp
->name
);
135 if (ifp
->flags
& IFF_IPV4
)
136 ret
= AF_IOCTL(AF_INET
, SIOCGLIFMETRIC
, (caddr_t
)&lifreq
);
138 else if (ifp
->flags
& IFF_IPV6
)
139 ret
= AF_IOCTL(AF_INET6
, SIOCGLIFMETRIC
, (caddr_t
)&lifreq
);
140 #endif /* SOLARIS_IPV6 */
147 ifp
->metric
= lifreq
.lifr_metric
;
149 if (ifp
->metric
== 0)
153 /* get interface MTU */
154 void if_get_mtu(struct interface
*ifp
)
156 struct lifreq lifreq
;
160 if (ifp
->flags
& IFF_IPV4
) {
161 lifreq_set_name(&lifreq
, ifp
->name
);
162 ret
= AF_IOCTL(AF_INET
, SIOCGLIFMTU
, (caddr_t
)&lifreq
);
165 "Can't lookup mtu on %s by ioctl(SIOCGLIFMTU)",
169 ifp
->mtu
= lifreq
.lifr_metric
;
174 if (ifp
->flags
& IFF_IPV6
) {
175 memset(&lifreq
, 0, sizeof(lifreq
));
176 lifreq_set_name(&lifreq
, ifp
->name
);
178 ret
= AF_IOCTL(AF_INET6
, SIOCGLIFMTU
, (caddr_t
)&lifreq
);
181 "Can't lookup mtu6 on %s by ioctl(SIOCGIFMTU)",
185 ifp
->mtu6
= lifreq
.lifr_metric
;
191 zebra_interface_up_update(ifp
);
194 /* Set up interface's address, netmask (and broadcast? ).
195 Solaris uses ifname:number semantics to set IP address aliases. */
196 int if_set_prefix(struct interface
*ifp
, struct connected
*ifc
)
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
;
206 p
= (struct prefix_ipv4
*)ifc
->address
;
210 strncpy(ifreq
.ifr_name
, ifp
->name
, IFNAMSIZ
);
212 addr
.sin_addr
= p
->prefix
;
213 addr
.sin_family
= p
->family
;
214 memcpy(&ifreq
.ifr_addr
, &addr
, sizeof(struct sockaddr_in
));
216 ret
= if_ioctl(SIOCSIFADDR
, (caddr_t
)&ifreq
);
221 /* We need mask for make broadcast addr. */
222 masklen2ip(p
->prefixlen
, &mask
.sin_addr
);
224 if (if_is_broadcast(ifp
)) {
225 apply_mask_ipv4(&ifaddr
);
226 addr
.sin_addr
= ifaddr
.prefix
;
228 broad
.sin_addr
.s_addr
=
229 (addr
.sin_addr
.s_addr
| ~mask
.sin_addr
.s_addr
);
230 broad
.sin_family
= p
->family
;
232 memcpy(&ifreq
.ifr_broadaddr
, &broad
,
233 sizeof(struct sockaddr_in
));
234 ret
= if_ioctl(SIOCSIFBRDADDR
, (caddr_t
)&ifreq
);
239 mask
.sin_family
= p
->family
;
241 memcpy(&mask
, &ifreq
.ifr_addr
, sizeof(mask
));
243 memcpy(&ifreq
.ifr_netmask
, &mask
, sizeof(struct sockaddr_in
));
245 ret
= if_ioctl(SIOCSIFNETMASK
, (caddr_t
)&ifreq
);
247 return ((ret
< 0) ? ret
: 0);
250 /* Set up interface's address, netmask (and broadcast).
251 Solaris uses ifname:number semantics to set IP address aliases. */
252 int if_unset_prefix(struct interface
*ifp
, struct connected
*ifc
)
256 struct sockaddr_in addr
;
257 struct prefix_ipv4
*p
;
259 p
= (struct prefix_ipv4
*)ifc
->address
;
261 strncpy(ifreq
.ifr_name
, ifp
->name
, IFNAMSIZ
);
263 memset(&addr
, 0, sizeof(struct sockaddr_in
));
264 addr
.sin_family
= p
->family
;
265 memcpy(&ifreq
.ifr_addr
, &addr
, sizeof(struct sockaddr_in
));
267 ret
= if_ioctl(SIOCSIFADDR
, (caddr_t
)&ifreq
);
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..
280 int if_get_flags_direct(const char *ifname
, uint64_t *flags
, unsigned int af
)
282 struct lifreq lifreq
;
285 lifreq_set_name(&lifreq
, ifname
);
287 ret
= AF_IOCTL(af
, SIOCGLIFFLAGS
, (caddr_t
)&lifreq
);
290 zlog_debug("%s: ifname %s, error %s (%d)", __func__
, ifname
,
291 safe_strerror(errno
), errno
);
293 *flags
= lifreq
.lifr_flags
;
298 /* get interface flags */
299 void if_get_flags(struct interface
*ifp
)
301 int ret4
= 0, ret6
= 0;
302 uint64_t newflags
= 0;
305 if (ifp
->flags
& IFF_IPV4
) {
306 ret4
= if_get_flags_direct(ifp
->name
, &tmpflags
, AF_INET
);
309 newflags
|= tmpflags
;
310 else if (errno
== ENXIO
) {
312 UNSET_FLAG(ifp
->flags
, IFF_UP
);
313 if_flags_update(ifp
, ifp
->flags
);
317 if (ifp
->flags
& IFF_IPV6
) {
318 ret6
= if_get_flags_direct(ifp
->name
, &tmpflags
, AF_INET6
);
321 newflags
|= tmpflags
;
322 else if (errno
== ENXIO
) {
324 UNSET_FLAG(ifp
->flags
, IFF_UP
);
325 if_flags_update(ifp
, ifp
->flags
);
329 /* only update flags if one of above succeeded */
331 if_flags_update(ifp
, newflags
);
334 /* Set interface flags */
335 int if_set_flags(struct interface
*ifp
, uint64_t flags
)
338 struct lifreq lifreq
;
340 lifreq_set_name(&lifreq
, ifp
->name
);
342 lifreq
.lifr_flags
= ifp
->flags
;
343 lifreq
.lifr_flags
|= flags
;
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
);
353 zlog_info("can't set interface flags on %s: %s", ifp
->name
,
354 safe_strerror(errno
));
361 /* Unset interface's flag. */
362 int if_unset_flags(struct interface
*ifp
, uint64_t flags
)
365 struct lifreq lifreq
;
367 lifreq_set_name(&lifreq
, ifp
->name
);
369 lifreq
.lifr_flags
= ifp
->flags
;
370 lifreq
.lifr_flags
&= ~flags
;
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
);
380 zlog_info("can't unset interface flags");
387 /* Interface's address add/delete functions. */
388 int if_prefix_add_ipv6(struct interface
*ifp
, struct connected
*ifc
)
390 char addrbuf
[PREFIX_STRLEN
];
392 zlog_warn("Can't set %s on interface %s",
393 prefix2str(ifc
->address
, addrbuf
, sizeof(addrbuf
)),
399 int if_prefix_delete_ipv6(struct interface
*ifp
, struct connected
*ifc
)
401 char addrbuf
[PREFIX_STRLEN
];
403 zlog_warn("Can't delete %s on interface %s",
404 prefix2str(ifc
->address
, addrbuf
, sizeof(addrbuf
)),