1 /* 2 * Copyright (c) 2016, Marie Helene Kvello-Aune 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * thislist of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation and/or 13 * other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 17 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #include <err.h> 30 #include <errno.h> 31 #include <stdio.h> 32 #include <stdlib.h> 33 #include <string.h> 34 #include <libifconfig.h> 35 36 37 int 38 main(int argc, char *argv[]) 39 { 40 char *ifname, *ifdescr, *curdescr; 41 42 if (argc != 3) { 43 errx(EINVAL, "Invalid number of arguments." 44 " First argument should be interface name, second argument" 45 " should be the description to set."); 46 } 47 48 /* We have a static number of arguments. Therefore we can do it simple. */ 49 ifname = strdup(argv[1]); 50 ifdescr = strdup(argv[2]); 51 curdescr = NULL; 52 53 printf("Interface name: %s\n", ifname); 54 55 ifconfig_handle_t *lifh = ifconfig_open(); 56 if (ifconfig_get_description(lifh, ifname, &curdescr) == 0) { 57 printf("Old description: %s\n", curdescr); 58 } 59 60 printf("New description: %s\n\n", ifdescr); 61 62 if (ifconfig_set_description(lifh, ifname, ifdescr) == 0) { 63 printf("New description successfully set.\n"); 64 } else { 65 switch (ifconfig_err_errtype(lifh)) { 66 case SOCKET: 67 err(ifconfig_err_errno(lifh), "Socket error"); 68 break; 69 case IOCTL: 70 err(ifconfig_err_errno( 71 lifh), "IOCTL(%lu) error", 72 ifconfig_err_ioctlreq(lifh)); 73 break; 74 case OTHER: 75 err(ifconfig_err_errno(lifh), "Other error"); 76 break; 77 } 78 } 79 80 free(ifname); 81 free(ifdescr); 82 free(curdescr); 83 ifname = NULL; 84 ifdescr = NULL; 85 curdescr = NULL; 86 87 ifconfig_close(lifh); 88 return (0); 89 } 90