9a2ff3154b
Also switch from BSD 3-clause to 2-clause license where possible, and consolidate duplicate 3-clause license into one. Submitted by: Marie Helene Kvello-Aune <marieheleneka@gmail.com> Reviewed by: cem, kp Differential Revision: https://reviews.freebsd.org/D7764
91 lines
2.8 KiB
C
91 lines
2.8 KiB
C
/*
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* Copyright (c) 2016, Marie Helene Kvello-Aune
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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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#include <err.h>
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#include <errno.h>
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#include <net/if.h>
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#include <sys/ioctl.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 <libifconfig.h>
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int
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main(int argc, char *argv[])
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{
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char *ifname, *ifactualname;
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if (argc != 2) {
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errx(EINVAL, "Invalid number of arguments."
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" Only one argument is accepted, and it should be the name"
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" of the interface to be created.");
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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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printf("Requested interface name: %s\n", ifname);
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ifconfig_handle_t *lifh = ifconfig_open();
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if (ifconfig_create_interface(lifh, ifname, &ifactualname) == 0) {
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printf("Successfully created interface '%s'\n", ifactualname);
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ifconfig_close(lifh);
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lifh = NULL;
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free(ifname);
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free(ifactualname);
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return (0);
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}
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switch (ifconfig_err_errtype(lifh)) {
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case SOCKET:
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warnx("couldn't create socket. This shouldn't happen.\n");
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break;
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case IOCTL:
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if (ifconfig_err_ioctlreq(lifh) == SIOCIFCREATE2) {
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warnx(
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"Failed to create interface (SIOCIFCREATE2)\n");
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}
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break;
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default:
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warnx(
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"This is a thorough example accommodating for temporary"
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" 'not implemented yet' errors. That's likely what happened"
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" now. If not, your guess is as good as mine. ;)"
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" Error code: %d\n", ifconfig_err_errno(
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lifh));
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break;
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}
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ifconfig_close(lifh);
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lifh = NULL;
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free(ifname);
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free(ifactualname);
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return (-1);
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}
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