2002-10-23 03:40:47 +00:00
|
|
|
/*-
|
|
|
|
* Copyright (c) 2001 Networks Associates Technology, Inc.
|
|
|
|
* All rights reserved.
|
|
|
|
*
|
|
|
|
* This software was developed for the FreeBSD Project by NAI Labs, the
|
|
|
|
* Security Research Division of Network Associates, Inc. under
|
|
|
|
* DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA
|
|
|
|
* CHATS research program.
|
|
|
|
*
|
|
|
|
* Redistribution and use in source and binary forms, with or without
|
|
|
|
* modification, are permitted provided that the following conditions
|
|
|
|
* are met:
|
|
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
|
|
* notice, this list of conditions and the following disclaimer.
|
|
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
|
|
* documentation and/or other materials provided with the distribution.
|
|
|
|
* 3. The name of the author may not be used to endorse or promote
|
|
|
|
* products derived from this software without specific prior written
|
|
|
|
* permission.
|
|
|
|
*
|
|
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
|
|
* SUCH DAMAGE.
|
|
|
|
*
|
|
|
|
* $FreeBSD$
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <sys/param.h>
|
|
|
|
#include <sys/ioctl.h>
|
|
|
|
#include <sys/mac.h>
|
|
|
|
#include <sys/socket.h>
|
|
|
|
#include <sys/sockio.h>
|
|
|
|
|
|
|
|
#include <net/if.h>
|
|
|
|
#include <net/route.h>
|
|
|
|
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include <string.h>
|
|
|
|
|
|
|
|
#include "ifconfig.h"
|
|
|
|
|
2004-12-08 19:18:07 +00:00
|
|
|
static void
|
2004-12-31 19:46:27 +00:00
|
|
|
maclabel_status(int s)
|
2002-10-23 03:40:47 +00:00
|
|
|
{
|
|
|
|
struct ifreq ifr;
|
|
|
|
mac_t label;
|
|
|
|
char *label_text;
|
|
|
|
|
|
|
|
memset(&ifr, 0, sizeof(ifr));
|
Use strlcpy() instead of strncpy() when copying ifname to ensure
that it is NUL terminated. Additional NUL padding is not required
for short names.
Use sizeof(destination) in a few places instead of IFNAMSIZ.
Cast afp->af_ridreq and afp->af_addreq to make the intent of
the code more obvious.
Reported by: Coverity
CID: 1009628, 1009630, 1009631, 1009632, 1009633, 1009635, 1009638
CID: 1009639, 1009640, 1009641, 1009642, 1009643, 1009644, 1009645
CID: 1009646, 1009647, 1010049, 1010050, 1010051, 1010052, 1010053
CID: 1010054, 1011293, 1011294, 1011295, 1011296, 1011297, 1011298
CID: 1011299, 1305821, 1351720, 1351721
MFC after: 1 week
2016-05-16 00:25:24 +00:00
|
|
|
strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
|
2002-10-23 03:40:47 +00:00
|
|
|
|
|
|
|
if (mac_prepare_ifnet_label(&label) == -1)
|
|
|
|
return;
|
|
|
|
ifr.ifr_ifru.ifru_data = (void *)label;
|
|
|
|
if (ioctl(s, SIOCGIFMAC, &ifr) == -1)
|
|
|
|
goto mac_free;
|
|
|
|
|
|
|
|
|
|
|
|
if (mac_to_text(label, &label_text) == -1)
|
|
|
|
goto mac_free;
|
|
|
|
|
|
|
|
if (strlen(label_text) != 0)
|
2002-10-23 22:50:04 +00:00
|
|
|
printf("\tmaclabel %s\n", label_text);
|
2002-10-23 03:40:47 +00:00
|
|
|
free(label_text);
|
|
|
|
|
|
|
|
mac_free:
|
|
|
|
mac_free(label);
|
|
|
|
}
|
|
|
|
|
2004-12-08 19:18:07 +00:00
|
|
|
static void
|
2002-10-23 22:50:04 +00:00
|
|
|
setifmaclabel(const char *val, int d, int s, const struct afswtch *rafp)
|
2002-10-23 03:40:47 +00:00
|
|
|
{
|
|
|
|
struct ifreq ifr;
|
|
|
|
mac_t label;
|
|
|
|
int error;
|
|
|
|
|
|
|
|
if (mac_from_text(&label, val) == -1) {
|
|
|
|
perror(val);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
memset(&ifr, 0, sizeof(ifr));
|
Use strlcpy() instead of strncpy() when copying ifname to ensure
that it is NUL terminated. Additional NUL padding is not required
for short names.
Use sizeof(destination) in a few places instead of IFNAMSIZ.
Cast afp->af_ridreq and afp->af_addreq to make the intent of
the code more obvious.
Reported by: Coverity
CID: 1009628, 1009630, 1009631, 1009632, 1009633, 1009635, 1009638
CID: 1009639, 1009640, 1009641, 1009642, 1009643, 1009644, 1009645
CID: 1009646, 1009647, 1010049, 1010050, 1010051, 1010052, 1010053
CID: 1010054, 1011293, 1011294, 1011295, 1011296, 1011297, 1011298
CID: 1011299, 1305821, 1351720, 1351721
MFC after: 1 week
2016-05-16 00:25:24 +00:00
|
|
|
strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
|
2002-10-23 03:40:47 +00:00
|
|
|
ifr.ifr_ifru.ifru_data = (void *)label;
|
|
|
|
|
|
|
|
error = ioctl(s, SIOCSIFMAC, &ifr);
|
|
|
|
mac_free(label);
|
|
|
|
if (error == -1)
|
|
|
|
perror("setifmac");
|
|
|
|
}
|
2004-12-08 19:18:07 +00:00
|
|
|
|
|
|
|
static struct cmd mac_cmds[] = {
|
|
|
|
DEF_CMD_ARG("maclabel", setifmaclabel),
|
|
|
|
};
|
|
|
|
static struct afswtch af_mac = {
|
|
|
|
.af_name = "af_maclabel",
|
|
|
|
.af_af = AF_UNSPEC,
|
2004-12-31 19:46:27 +00:00
|
|
|
.af_other_status = maclabel_status,
|
2004-12-08 19:18:07 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
static __constructor void
|
|
|
|
mac_ctor(void)
|
|
|
|
{
|
2009-06-23 23:49:52 +00:00
|
|
|
size_t i;
|
2004-12-08 19:18:07 +00:00
|
|
|
|
2015-09-27 07:51:18 +00:00
|
|
|
for (i = 0; i < nitems(mac_cmds); i++)
|
2004-12-08 19:18:07 +00:00
|
|
|
cmd_register(&mac_cmds[i]);
|
|
|
|
af_register(&af_mac);
|
|
|
|
}
|