diff options
Diffstat (limited to 'libnet/sample/get_addr.c')
-rw-r--r-- | libnet/sample/get_addr.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/libnet/sample/get_addr.c b/libnet/sample/get_addr.c new file mode 100644 index 0000000..9832566 --- /dev/null +++ b/libnet/sample/get_addr.c @@ -0,0 +1,112 @@ +/* + * $Id: get_addr.c,v 1.4 2004/11/09 07:05:07 mike Exp $ + * + * libnet 1.1 + * get_addr.c - Retrieve the MAC and IP address of an interface + * + * Copyright (c) 1998 - 2004 Mike D. Schiffman <mike@infonexus.com> + * 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, this list 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. + * + */ + +#if (HAVE_CONFIG_H) +#include "../include/config.h" +#endif +#include "./libnet_test.h" +#ifdef __WIN32__ +#include "../include/win32/getopt.h" +#endif + +int +main(int argc, char *argv[]) +{ + int c; + u_long i; + libnet_t *l; + char *device = NULL; + struct libnet_ether_addr *e; + char errbuf[LIBNET_ERRBUF_SIZE]; + + printf("libnet 1.1 address getter\n"); + + while ((c = getopt(argc, argv, "i:")) != EOF) + { + switch (c) + { + case 'i': + device = optarg; + break; + default: + exit(EXIT_FAILURE); + } + } + + /* + * Initialize the library. Root priviledges are required. + */ + l = libnet_init( + LIBNET_LINK, /* injection type */ + device, /* network interface */ + errbuf); /* errbuf */ + + if (l == NULL) + { + fprintf(stderr, "libnet_init() failed: %s", errbuf); + exit(EXIT_FAILURE); + } + + printf("Interface:\t%s\n", libnet_getdevice(l)); + e = libnet_get_hwaddr(l); + if (e == NULL) + { + fprintf(stderr, "Can't get hardware address: %s\n", libnet_geterror(l)); + } + else + { + printf("MAC address:\t"); + for (c = 0; c < 6; c++) + { + printf("%2.2x", e->ether_addr_octet[c]); + if (c != 5) + { + printf(":"); + } + } + printf("\n"); + } + + i = libnet_get_ipaddr4(l); + if (i == -1) + { + fprintf(stderr, "Can't get ip address: %s\n", libnet_geterror(l)); + } + else + { + printf("IP address:\t"); + printf("%s\n", libnet_addr2name4(i, LIBNET_DONT_RESOLVE)); + } + exit(EXIT_SUCCESS); +} + +/* EOF */ |