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
32 #include "zebra/rib.h"
34 #include "zebra/interface.h"
35 #include "zebra/ioctl_solaris.h"
37 extern struct zebra_privs_t zserv_privs
;
39 /* clear and set interface name string */
41 lifreq_set_name (struct lifreq
*lifreq
, const char *ifname
)
43 strncpy (lifreq
->lifr_name
, ifname
, IFNAMSIZ
);
46 /* call ioctl system call */
48 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);
60 int save_errno
= errno
;
61 if (zserv_privs
.change(ZPRIVS_LOWER
))
62 zlog_err("Can't lower privileges");
63 zlog_err("Cannot create UDP socket: %s", 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");
85 if_ioctl_ipv6 (u_long request
, caddr_t buffer
)
91 if (zserv_privs
.change(ZPRIVS_RAISE
))
92 zlog_err("Can't raise privileges");
94 sock
= socket (AF_INET6
, SOCK_DGRAM
, 0);
97 int save_errno
= errno
;
98 if (zserv_privs
.change(ZPRIVS_LOWER
))
99 zlog_err("Can't lower privileges");
100 zlog_err("Cannot create IPv6 datagram socket: %s",
101 safe_strerror(save_errno
));
105 if ((ret
= ioctl (sock
, request
, buffer
)) < 0)
108 if (zserv_privs
.change(ZPRIVS_LOWER
))
109 zlog_err("Can't lower privileges");
123 * get interface metric
124 * -- if value is not avaliable set -1
127 if_get_metric (struct interface
*ifp
)
129 struct lifreq lifreq
;
132 lifreq_set_name (&lifreq
, ifp
->name
);
134 if (ifp
->flags
& IFF_IPV4
)
135 ret
= AF_IOCTL (AF_INET
, SIOCGLIFMETRIC
, (caddr_t
) & lifreq
);
137 else if (ifp
->flags
& IFF_IPV6
)
138 ret
= AF_IOCTL (AF_INET6
, SIOCGLIFMETRIC
, (caddr_t
) & lifreq
);
139 #endif /* SOLARIS_IPV6 */
146 ifp
->metric
= lifreq
.lifr_metric
;
148 if (ifp
->metric
== 0)
152 /* get interface MTU */
154 if_get_mtu (struct interface
*ifp
)
156 struct lifreq lifreq
;
160 if (ifp
->flags
& IFF_IPV4
)
162 lifreq_set_name (&lifreq
, ifp
->name
);
163 ret
= AF_IOCTL (AF_INET
, SIOCGLIFMTU
, (caddr_t
) & lifreq
);
166 zlog_info ("Can't lookup mtu on %s by ioctl(SIOCGLIFMTU)",
172 ifp
->mtu
= lifreq
.lifr_metric
;
177 if (ifp
->flags
& IFF_IPV6
)
179 memset(&lifreq
, 0, sizeof(lifreq
));
180 lifreq_set_name (&lifreq
, ifp
->name
);
182 ret
= AF_IOCTL (AF_INET6
, SIOCGLIFMTU
, (caddr_t
) & lifreq
);
185 zlog_info ("Can't lookup mtu6 on %s by ioctl(SIOCGIFMTU)", ifp
->name
);
190 ifp
->mtu6
= lifreq
.lifr_metric
;
196 zebra_interface_up_update(ifp
);
199 /* Set up interface's address, netmask (and broadcast? ).
200 Solaris uses ifname:number semantics to set IP address aliases. */
202 if_set_prefix (struct interface
*ifp
, struct connected
*ifc
)
206 struct sockaddr_in addr
;
207 struct sockaddr_in broad
;
208 struct sockaddr_in mask
;
209 struct prefix_ipv4 ifaddr
;
210 struct prefix_ipv4
*p
;
212 p
= (struct prefix_ipv4
*) ifc
->address
;
216 strncpy (ifreq
.ifr_name
, ifp
->name
, IFNAMSIZ
);
218 addr
.sin_addr
= p
->prefix
;
219 addr
.sin_family
= p
->family
;
220 memcpy (&ifreq
.ifr_addr
, &addr
, sizeof (struct sockaddr_in
));
222 ret
= if_ioctl (SIOCSIFADDR
, (caddr_t
) & ifreq
);
227 /* We need mask for make broadcast addr. */
228 masklen2ip (p
->prefixlen
, &mask
.sin_addr
);
230 if (if_is_broadcast (ifp
))
232 apply_mask_ipv4 (&ifaddr
);
233 addr
.sin_addr
= ifaddr
.prefix
;
235 broad
.sin_addr
.s_addr
= (addr
.sin_addr
.s_addr
| ~mask
.sin_addr
.s_addr
);
236 broad
.sin_family
= p
->family
;
238 memcpy (&ifreq
.ifr_broadaddr
, &broad
, sizeof (struct sockaddr_in
));
239 ret
= if_ioctl (SIOCSIFBRDADDR
, (caddr_t
) & ifreq
);
244 mask
.sin_family
= p
->family
;
246 memcpy (&mask
, &ifreq
.ifr_addr
, sizeof (mask
));
248 memcpy (&ifreq
.ifr_netmask
, &mask
, sizeof (struct sockaddr_in
));
250 ret
= if_ioctl (SIOCSIFNETMASK
, (caddr_t
) & ifreq
);
252 return ((ret
< 0) ? ret
: 0);
255 /* Set up interface's address, netmask (and broadcast).
256 Solaris uses ifname:number semantics to set IP address aliases. */
258 if_unset_prefix (struct interface
*ifp
, struct connected
*ifc
)
262 struct sockaddr_in addr
;
263 struct prefix_ipv4
*p
;
265 p
= (struct prefix_ipv4
*) ifc
->address
;
267 strncpy (ifreq
.ifr_name
, ifp
->name
, IFNAMSIZ
);
269 memset (&addr
, 0, sizeof (struct sockaddr_in
));
270 addr
.sin_family
= p
->family
;
271 memcpy (&ifreq
.ifr_addr
, &addr
, sizeof (struct sockaddr_in
));
273 ret
= if_ioctl (SIOCSIFADDR
, (caddr_t
) & ifreq
);
281 /* Get just the flags for the given name.
282 * Used by the normal 'if_get_flags' function, as well
283 * as the bootup interface-list code, which has to peek at per-address
284 * flags in order to figure out which ones should be ignored..
287 if_get_flags_direct (const char *ifname
, uint64_t *flags
, unsigned int af
)
289 struct lifreq lifreq
;
292 lifreq_set_name (&lifreq
, ifname
);
294 ret
= AF_IOCTL (af
, SIOCGLIFFLAGS
, (caddr_t
) &lifreq
);
297 zlog_debug ("%s: ifname %s, error %s (%d)",
298 __func__
, ifname
, safe_strerror (errno
), errno
);
300 *flags
= lifreq
.lifr_flags
;
305 /* get interface flags */
307 if_get_flags (struct interface
*ifp
)
309 int ret4
= 0, ret6
= 0;
310 uint64_t newflags
= 0;
313 if (ifp
->flags
& IFF_IPV4
)
315 ret4
= if_get_flags_direct (ifp
->name
, &tmpflags
, AF_INET
);
318 newflags
|= tmpflags
;
319 else if (errno
== ENXIO
)
322 UNSET_FLAG (ifp
->flags
, IFF_UP
);
323 if_flags_update (ifp
, ifp
->flags
);
327 if (ifp
->flags
& IFF_IPV6
)
329 ret6
= if_get_flags_direct (ifp
->name
, &tmpflags
, AF_INET6
);
332 newflags
|= tmpflags
;
333 else if (errno
== ENXIO
)
336 UNSET_FLAG (ifp
->flags
, IFF_UP
);
337 if_flags_update (ifp
, ifp
->flags
);
341 /* only update flags if one of above succeeded */
342 if ( !(ret4
&& ret6
) )
343 if_flags_update (ifp
, newflags
);
346 /* Set interface flags */
348 if_set_flags (struct interface
*ifp
, uint64_t flags
)
351 struct lifreq lifreq
;
353 lifreq_set_name (&lifreq
, ifp
->name
);
355 lifreq
.lifr_flags
= ifp
->flags
;
356 lifreq
.lifr_flags
|= flags
;
358 if (ifp
->flags
& IFF_IPV4
)
359 ret
= AF_IOCTL (AF_INET
, SIOCSLIFFLAGS
, (caddr_t
) & lifreq
);
360 else if (ifp
->flags
& IFF_IPV6
)
361 ret
= AF_IOCTL (AF_INET6
, SIOCSLIFFLAGS
, (caddr_t
) & lifreq
);
366 zlog_info ("can't set interface flags on %s: %s", ifp
->name
,
367 safe_strerror (errno
));
374 /* Unset interface's flag. */
376 if_unset_flags (struct interface
*ifp
, uint64_t flags
)
379 struct lifreq lifreq
;
381 lifreq_set_name (&lifreq
, ifp
->name
);
383 lifreq
.lifr_flags
= ifp
->flags
;
384 lifreq
.lifr_flags
&= ~flags
;
386 if (ifp
->flags
& IFF_IPV4
)
387 ret
= AF_IOCTL (AF_INET
, SIOCSLIFFLAGS
, (caddr_t
) & lifreq
);
388 else if (ifp
->flags
& IFF_IPV6
)
389 ret
= AF_IOCTL (AF_INET6
, SIOCSLIFFLAGS
, (caddr_t
) & lifreq
);
394 zlog_info ("can't unset interface flags");
401 /* Interface's address add/delete functions. */
403 if_prefix_add_ipv6 (struct interface
*ifp
, struct connected
*ifc
)
405 char addrbuf
[PREFIX_STRLEN
];
407 zlog_warn ("Can't set %s on interface %s",
408 prefix2str(ifc
->address
, addrbuf
, sizeof(addrbuf
)),
416 if_prefix_delete_ipv6 (struct interface
*ifp
, struct connected
*ifc
)
418 char addrbuf
[PREFIX_STRLEN
];
420 zlog_warn ("Can't delete %s on interface %s",
421 prefix2str(ifc
->address
, addrbuf
, sizeof(addrbuf
)),