2016-08-25 19:40:25 +00:00
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/*
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2018-02-23 03:11:43 +00:00
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* Copyright (c) 2016-2017, Marie Helene Kvello-Aune
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2016-08-25 19:40:25 +00:00
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* thislist of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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 OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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2018-02-23 03:11:43 +00:00
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#include <arpa/inet.h>
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#include <net/if.h>
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2016-08-25 19:40:25 +00:00
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#include <err.h>
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#include <errno.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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2016-09-02 18:33:08 +00:00
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#include <libifconfig.h>
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2016-08-25 19:40:25 +00:00
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2016-09-04 20:55:27 +00:00
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int
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main(int argc, char *argv[])
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2016-08-25 19:40:25 +00:00
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{
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2016-09-04 20:55:27 +00:00
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char *ifname, *ifdescr, *curdescr;
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2018-02-23 03:11:43 +00:00
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ifconfig_handle_t *lifh;
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2016-09-04 20:55:27 +00:00
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2016-08-25 19:40:25 +00:00
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if (argc != 3) {
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errx(EINVAL, "Invalid number of arguments."
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" First argument should be interface name, second argument"
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" should be the description to set.");
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}
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/* We have a static number of arguments. Therefore we can do it simple. */
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ifname = strdup(argv[1]);
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ifdescr = strdup(argv[2]);
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curdescr = NULL;
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printf("Interface name: %s\n", ifname);
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2018-02-23 03:11:43 +00:00
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lifh = ifconfig_open();
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if (lifh == NULL) {
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errx(ENOMEM, "Failed to open libifconfig handle.");
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return (-1);
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}
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2016-09-02 18:33:08 +00:00
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if (ifconfig_get_description(lifh, ifname, &curdescr) == 0) {
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2016-08-25 19:40:25 +00:00
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printf("Old description: %s\n", curdescr);
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}
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printf("New description: %s\n\n", ifdescr);
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2016-09-02 18:33:08 +00:00
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if (ifconfig_set_description(lifh, ifname, ifdescr) == 0) {
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2016-08-25 19:40:25 +00:00
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printf("New description successfully set.\n");
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} else {
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2016-09-02 18:33:08 +00:00
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switch (ifconfig_err_errtype(lifh)) {
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2016-08-25 19:40:25 +00:00
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case SOCKET:
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2016-09-02 18:33:08 +00:00
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err(ifconfig_err_errno(lifh), "Socket error");
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2016-08-25 19:40:25 +00:00
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break;
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case IOCTL:
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2016-09-02 18:33:08 +00:00
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err(ifconfig_err_errno(
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2016-08-25 19:40:25 +00:00
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lifh), "IOCTL(%lu) error",
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2016-09-02 18:33:08 +00:00
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ifconfig_err_ioctlreq(lifh));
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2016-08-25 19:40:25 +00:00
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break;
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2018-02-23 03:11:43 +00:00
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default:
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2016-09-02 18:33:08 +00:00
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err(ifconfig_err_errno(lifh), "Other error");
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2016-08-25 19:40:25 +00:00
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break;
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}
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}
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free(ifname);
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free(ifdescr);
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free(curdescr);
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ifname = NULL;
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ifdescr = NULL;
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curdescr = NULL;
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2016-09-02 18:33:08 +00:00
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ifconfig_close(lifh);
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2016-08-25 19:40:25 +00:00
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return (0);
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}
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