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share/examples/libifconfig/ifcreate.c
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svn:eol-style | null | native \ No newline at end of property |
svn:keywords | null | FreeBSD=%H \ No newline at end of property |
svn:mime-type | null | text/plain \ No newline at end of property |
/* | |||||
* Copyright (c) 2016, Marie Helene Kvello-Aune | |||||
* All rights reserved. | |||||
* | |||||
* 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, | |||||
* thislist 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. Neither the name of the copyright holder nor the names of its contributors | |||||
* may be used to endorse or promote products derived from this software without | |||||
* specific prior written permission. | |||||
* | |||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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. | |||||
*/ | |||||
#include <err.h> | |||||
#include <errno.h> | |||||
#include <net/if.h> | |||||
#include <sys/ioctl.h> | |||||
#include <stdio.h> | |||||
#include <stdlib.h> | |||||
#include <string.h> | |||||
#include <libifconfig.h> | |||||
int main(int argc, char *argv[]) | |||||
{ | |||||
if (argc != 2) { | |||||
errx(EINVAL, "Invalid number of arguments." | |||||
" Only one argument is accepted, and it should be the name" | |||||
" of the interface to be created."); | |||||
} | |||||
char *ifname, *ifactualname; | |||||
/* We have a static number of arguments. Therefore we can do it simple. */ | |||||
ifname = strdup(argv[1]); | |||||
printf("Requested interface name: %s\n", ifname); | |||||
libifc_handle_t *lifh = libifc_open(); | |||||
if (libifc_create_interface(lifh, ifname, &ifactualname) == 0) { | |||||
printf("Successfully created interface '%s'\n", ifactualname); | |||||
libifc_close(lifh); | |||||
lifh = NULL; | |||||
free(ifname); | |||||
free(ifactualname); | |||||
return (0); | |||||
} else { | |||||
switch (libifc_err_errtype(lifh)) { | |||||
case SOCKET: | |||||
warnx("couldn't create socket. This shouldn't happen.\n"); | |||||
break; | |||||
case IOCTL: | |||||
if (libifc_err_ioctlreq(lifh) == SIOCIFCREATE2) { | |||||
warnx( | |||||
"Failed to create interface (SIOCIFCREATE2)\n"); | |||||
} | |||||
break; | |||||
default: | |||||
warnx( | |||||
"This is a thorough example accommodating for temporary" | |||||
" 'not implemented yet' errors. That's likely what happened" | |||||
" now. If not, your guess is as good as mine. ;)" | |||||
" Error code: %d\n", libifc_err_errno( | |||||
lifh)); | |||||
break; | |||||
} | |||||
libifc_close(lifh); | |||||
lifh = NULL; | |||||
free(ifname); | |||||
free(ifactualname); | |||||
return (-1); | |||||
} | |||||
} |