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https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
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120 lines
3.3 KiB
C
120 lines
3.3 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 2001 Networks Associates Technology, Inc.
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* All rights reserved.
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*
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* This software was developed for the FreeBSD Project by NAI Labs, the
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* Security Research Division of Network Associates, Inc. under
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* DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA
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* CHATS research program.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/ioctl.h>
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#include <sys/mac.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>
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#include <net/if.h>
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#include <net/route.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "ifconfig.h"
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static void
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maclabel_status(if_ctx *ctx)
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{
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struct ifreq ifr;
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mac_t label;
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char *label_text;
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memset(&ifr, 0, sizeof(ifr));
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strlcpy(ifr.ifr_name, ctx->ifname, sizeof(ifr.ifr_name));
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if (mac_prepare_ifnet_label(&label) == -1)
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return;
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ifr.ifr_ifru.ifru_data = (void *)label;
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if (ioctl_ctx(ctx, SIOCGIFMAC, &ifr) == -1)
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goto mac_free;
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if (mac_to_text(label, &label_text) == -1)
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goto mac_free;
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if (strlen(label_text) != 0)
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printf("\tmaclabel %s\n", label_text);
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free(label_text);
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mac_free:
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mac_free(label);
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}
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static void
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setifmaclabel(if_ctx *ctx, const char *val, int d __unused)
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{
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struct ifreq ifr;
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mac_t label;
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int error;
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if (mac_from_text(&label, val) == -1) {
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perror(val);
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return;
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}
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memset(&ifr, 0, sizeof(ifr));
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strlcpy(ifr.ifr_name, ctx->ifname, sizeof(ifr.ifr_name));
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ifr.ifr_ifru.ifru_data = (void *)label;
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error = ioctl(ctx->io_s, SIOCSIFMAC, &ifr);
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mac_free(label);
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if (error == -1)
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perror("setifmac");
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}
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static struct cmd mac_cmds[] = {
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DEF_CMD_ARG("maclabel", setifmaclabel),
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};
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static struct afswtch af_mac = {
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.af_name = "af_maclabel",
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.af_af = AF_UNSPEC,
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.af_other_status = maclabel_status,
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};
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static __constructor void
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mac_ctor(void)
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{
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size_t i;
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for (i = 0; i < nitems(mac_cmds); i++)
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cmd_register(&mac_cmds[i]);
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af_register(&af_mac);
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}
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