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
18 * along with GNU Zebra; see the file COPYING. If not, write to the Free
19 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
33 #include "zebra/rib.h"
35 #include "zebra/interface.h"
36 #include "zebra/ioctl_solaris.h"
38 extern struct zebra_privs_t zserv_privs
;
40 /* clear and set interface name string */
42 lifreq_set_name (struct lifreq
*lifreq
, const char *ifname
)
44 strncpy (lifreq
->lifr_name
, ifname
, IFNAMSIZ
);
47 /* call ioctl system call */
49 if_ioctl (u_long request
, caddr_t buffer
)
55 if (zserv_privs
.change(ZPRIVS_RAISE
))
56 zlog (NULL
, LOG_ERR
, "Can't raise privileges");
58 sock
= socket (AF_INET
, SOCK_DGRAM
, 0);
61 int save_errno
= errno
;
62 if (zserv_privs
.change(ZPRIVS_LOWER
))
63 zlog (NULL
, LOG_ERR
, "Can't lower privileges");
64 zlog_err("Cannot create UDP socket: %s", safe_strerror(save_errno
));
68 if ((ret
= ioctl (sock
, request
, buffer
)) < 0)
71 if (zserv_privs
.change(ZPRIVS_LOWER
))
72 zlog (NULL
, LOG_ERR
, "Can't lower privileges");
86 if_ioctl_ipv6 (u_long request
, caddr_t buffer
)
92 if (zserv_privs
.change(ZPRIVS_RAISE
))
93 zlog (NULL
, LOG_ERR
, "Can't raise privileges");
95 sock
= socket (AF_INET6
, SOCK_DGRAM
, 0);
98 int save_errno
= errno
;
99 if (zserv_privs
.change(ZPRIVS_LOWER
))
100 zlog (NULL
, LOG_ERR
, "Can't lower privileges");
101 zlog_err("Cannot create IPv6 datagram socket: %s",
102 safe_strerror(save_errno
));
106 if ((ret
= ioctl (sock
, request
, buffer
)) < 0)
109 if (zserv_privs
.change(ZPRIVS_LOWER
))
110 zlog (NULL
, LOG_ERR
, "Can't lower privileges");
124 * get interface metric
125 * -- if value is not avaliable set -1
128 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 */
155 if_get_mtu (struct interface
*ifp
)
157 struct lifreq lifreq
;
161 if (ifp
->flags
& IFF_IPV4
)
163 lifreq_set_name (&lifreq
, ifp
->name
);
164 ret
= AF_IOCTL (AF_INET
, SIOCGLIFMTU
, (caddr_t
) & lifreq
);
167 zlog_info ("Can't lookup mtu on %s by ioctl(SIOCGLIFMTU)",
173 ifp
->mtu
= lifreq
.lifr_metric
;
178 if (ifp
->flags
& IFF_IPV6
)
180 memset(&lifreq
, 0, sizeof(lifreq
));
181 lifreq_set_name (&lifreq
, ifp
->name
);
183 ret
= AF_IOCTL (AF_INET6
, SIOCGLIFMTU
, (caddr_t
) & lifreq
);
186 zlog_info ("Can't lookup mtu6 on %s by ioctl(SIOCGIFMTU)", ifp
->name
);
191 ifp
->mtu6
= lifreq
.lifr_metric
;
197 zebra_interface_up_update(ifp
);
200 /* Set up interface's address, netmask (and broadcast? ).
201 Solaris uses ifname:number semantics to set IP address aliases. */
203 if_set_prefix (struct interface
*ifp
, struct connected
*ifc
)
207 struct sockaddr_in addr
;
208 struct sockaddr_in broad
;
209 struct sockaddr_in mask
;
210 struct prefix_ipv4 ifaddr
;
211 struct prefix_ipv4
*p
;
213 p
= (struct prefix_ipv4
*) ifc
->address
;
217 strncpy (ifreq
.ifr_name
, ifp
->name
, IFNAMSIZ
);
219 addr
.sin_addr
= p
->prefix
;
220 addr
.sin_family
= p
->family
;
221 memcpy (&ifreq
.ifr_addr
, &addr
, sizeof (struct sockaddr_in
));
223 ret
= if_ioctl (SIOCSIFADDR
, (caddr_t
) & ifreq
);
228 /* We need mask for make broadcast addr. */
229 masklen2ip (p
->prefixlen
, &mask
.sin_addr
);
231 if (if_is_broadcast (ifp
))
233 apply_mask_ipv4 (&ifaddr
);
234 addr
.sin_addr
= ifaddr
.prefix
;
236 broad
.sin_addr
.s_addr
= (addr
.sin_addr
.s_addr
| ~mask
.sin_addr
.s_addr
);
237 broad
.sin_family
= p
->family
;
239 memcpy (&ifreq
.ifr_broadaddr
, &broad
, sizeof (struct sockaddr_in
));
240 ret
= if_ioctl (SIOCSIFBRDADDR
, (caddr_t
) & ifreq
);
245 mask
.sin_family
= p
->family
;
247 memcpy (&mask
, &ifreq
.ifr_addr
, sizeof (mask
));
249 memcpy (&ifreq
.ifr_netmask
, &mask
, sizeof (struct sockaddr_in
));
251 ret
= if_ioctl (SIOCSIFNETMASK
, (caddr_t
) & ifreq
);
253 return ((ret
< 0) ? ret
: 0);
256 /* Set up interface's address, netmask (and broadcast).
257 Solaris uses ifname:number semantics to set IP address aliases. */
259 if_unset_prefix (struct interface
*ifp
, struct connected
*ifc
)
263 struct sockaddr_in addr
;
264 struct prefix_ipv4
*p
;
266 p
= (struct prefix_ipv4
*) ifc
->address
;
268 strncpy (ifreq
.ifr_name
, ifp
->name
, IFNAMSIZ
);
270 memset (&addr
, 0, sizeof (struct sockaddr_in
));
271 addr
.sin_family
= p
->family
;
272 memcpy (&ifreq
.ifr_addr
, &addr
, sizeof (struct sockaddr_in
));
274 ret
= if_ioctl (SIOCSIFADDR
, (caddr_t
) & ifreq
);
282 /* Get just the flags for the given name.
283 * Used by the normal 'if_get_flags' function, as well
284 * as the bootup interface-list code, which has to peek at per-address
285 * flags in order to figure out which ones should be ignored..
288 if_get_flags_direct (const char *ifname
, uint64_t *flags
, unsigned int af
)
290 struct lifreq lifreq
;
293 lifreq_set_name (&lifreq
, ifname
);
295 ret
= AF_IOCTL (af
, SIOCGLIFFLAGS
, (caddr_t
) &lifreq
);
298 zlog_debug ("%s: ifname %s, error %s (%d)",
299 __func__
, ifname
, safe_strerror (errno
), errno
);
301 *flags
= lifreq
.lifr_flags
;
306 /* get interface flags */
308 if_get_flags (struct interface
*ifp
)
310 int ret4
= 0, ret6
= 0;
311 uint64_t newflags
= 0;
314 if (ifp
->flags
& IFF_IPV4
)
316 ret4
= if_get_flags_direct (ifp
->name
, &tmpflags
, AF_INET
);
319 newflags
|= tmpflags
;
320 else if (errno
== ENXIO
)
323 UNSET_FLAG (ifp
->flags
, IFF_UP
);
324 if_flags_update (ifp
, ifp
->flags
);
328 if (ifp
->flags
& IFF_IPV6
)
330 ret6
= if_get_flags_direct (ifp
->name
, &tmpflags
, AF_INET6
);
333 newflags
|= tmpflags
;
334 else if (errno
== ENXIO
)
337 UNSET_FLAG (ifp
->flags
, IFF_UP
);
338 if_flags_update (ifp
, ifp
->flags
);
342 /* only update flags if one of above succeeded */
343 if ( !(ret4
&& ret6
) )
344 if_flags_update (ifp
, newflags
);
347 /* Set interface flags */
349 if_set_flags (struct interface
*ifp
, uint64_t flags
)
352 struct lifreq lifreq
;
354 lifreq_set_name (&lifreq
, ifp
->name
);
356 lifreq
.lifr_flags
= ifp
->flags
;
357 lifreq
.lifr_flags
|= flags
;
359 if (ifp
->flags
& IFF_IPV4
)
360 ret
= AF_IOCTL (AF_INET
, SIOCSLIFFLAGS
, (caddr_t
) & lifreq
);
361 else if (ifp
->flags
& IFF_IPV6
)
362 ret
= AF_IOCTL (AF_INET6
, SIOCSLIFFLAGS
, (caddr_t
) & lifreq
);
367 zlog_info ("can't set interface flags on %s: %s", ifp
->name
,
368 safe_strerror (errno
));
375 /* Unset interface's flag. */
377 if_unset_flags (struct interface
*ifp
, uint64_t flags
)
380 struct lifreq lifreq
;
382 lifreq_set_name (&lifreq
, ifp
->name
);
384 lifreq
.lifr_flags
= ifp
->flags
;
385 lifreq
.lifr_flags
&= ~flags
;
387 if (ifp
->flags
& IFF_IPV4
)
388 ret
= AF_IOCTL (AF_INET
, SIOCSLIFFLAGS
, (caddr_t
) & lifreq
);
389 else if (ifp
->flags
& IFF_IPV6
)
390 ret
= AF_IOCTL (AF_INET6
, SIOCSLIFFLAGS
, (caddr_t
) & lifreq
);
395 zlog_info ("can't unset interface flags");
402 /* Interface's address add/delete functions. */
404 if_prefix_add_ipv6 (struct interface
*ifp
, struct connected
*ifc
)
406 char addrbuf
[PREFIX_STRLEN
];
408 zlog_warn ("Can't set %s on interface %s",
409 prefix2str(ifc
->address
, addrbuf
, sizeof(addrbuf
)),
417 if_prefix_delete_ipv6 (struct interface
*ifp
, struct connected
*ifc
)
419 char addrbuf
[PREFIX_STRLEN
];
421 zlog_warn ("Can't delete %s on interface %s",
422 prefix2str(ifc
->address
, addrbuf
, sizeof(addrbuf
)),