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1/*
2 * Copyright (c) 2002 - 2003
3 * NetGroup, Politecnico di Torino (Italy)
2 * Copyright (c) 2002 - 2005 NetGroup, Politecnico di Torino (Italy)
3 * Copyright (c) 2005 - 2006 CACE Technologies, Davis (California)
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the Politecnico di Torino nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
15 * 3. Neither the name of the Politecnico di Torino, CACE Technologies
16 * nor the names of its contributors may be used to endorse or promote
17 * products derived from this software without specific prior written
18 * permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 *
32 */
33
34#ifndef lint
35static const char rcsid[] _U_ =
35 "@(#) $Header: /tcpdump/master/libpcap/fad-win32.c,v 1.11.2.1 2005/09/01 22:07:41 risso Exp $ (LBL)";
36 "@(#) $Header: /tcpdump/master/libpcap/fad-win32.c,v 1.11.2.3 2006/02/22 17:09:32 gianluca Exp $ (LBL)";
37#endif
38
39#ifdef HAVE_CONFIG_H
40#include "config.h"
41#endif
42
43#include <pcap.h>
44#include <pcap-int.h>
44#include <packet32.h>
45#include <Packet32.h>
46
47#include <errno.h>
48
49/*
50 * Add an entry to the list of addresses for an interface.
51 * "curdev" is the entry for that interface.
52 */
53static int

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220{
221 pcap_if_t *devlist = NULL;
222 int ret = 0;
223 const char *desc;
224 char *AdaptersName;
225 ULONG NameLength;
226 char *name;
227
227 if(!PacketGetAdapterNames(NULL, &NameLength) && NameLength == 0)
228 if (!PacketGetAdapterNames(NULL, &NameLength))
229 {
229 /*
230 * If PacketGetAdapterNames *and* sets the lenght of the buffer to zero,
231 * it means there was an error.
232 */
233 snprintf(errbuf, PCAP_ERRBUF_SIZE, "PacketGetAdapterNames failed: %s", pcap_win32strerror());
234 *alldevsp = NULL;
235 return -1;
230 DWORD last_error = GetLastError();
231
232 if (last_error != ERROR_INSUFFICIENT_BUFFER)
233 {
234 snprintf(errbuf, PCAP_ERRBUF_SIZE,
235 "PacketGetAdapterNames: %s",
236 pcap_win32strerror());
237 return (-1);
238 }
239 }
240
241 if (NameLength > 0)
242 AdaptersName = (char*) malloc(NameLength);
243 else
244 {
242 snprintf(errbuf, PCAP_ERRBUF_SIZE, "no adapters found.");
245 *alldevsp = NULL;
246 return 0;
247 }
248 if (AdaptersName == NULL)
249 {
250 snprintf(errbuf, PCAP_ERRBUF_SIZE, "Cannot allocate enough memory to list the adapters.");
251 return (-1);
252 }

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