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-rw-r--r--libnet/sample/get_addr.c112
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
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--- /dev/null
+++ b/libnet/sample/get_addr.c
@@ -0,0 +1,112 @@
+/*
+ * $Id: get_addr.c,v 1.3 2004/01/03 20:31:01 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 */