1 files changed, 291 insertions, 0 deletions
diff --git a/contrib/libpcap/fad-win32.c b/contrib/libpcap/fad-win32.c
new file mode 100644
index 0000000..cc2ce5a
--- /dev/null
+++ b/contrib/libpcap/fad-win32.c
@@ -0,0 +1,291 @@
+/*
+ * Copyright (c) 2002 - 2003
+ * NetGroup, Politecnico di Torino (Italy)
+ * 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.
+ * 3. Neither the name of the Politecnico di Torino 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
+ * OWNER 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.
+ *
+ */
+
+#ifndef lint
+static const char rcsid[] _U_ =
+    "@(#) $Header: /tcpdump/master/libpcap/fad-win32.c,v 1.7.2.1 2003/11/15 23:26:40 guy Exp $ (LBL)";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <pcap.h>
+#include <pcap-int.h>
+#include <packet32.h>
+
+#include <errno.h>
+	
+/*
+ * Add an entry to the list of addresses for an interface.
+ * "curdev" is the entry for that interface.
+ */
+static int
+add_addr_to_list(pcap_if_t *curdev, struct sockaddr *addr,
+    struct sockaddr *netmask, struct sockaddr *broadaddr,
+    struct sockaddr *dstaddr, char *errbuf)
+{
+	pcap_addr_t *curaddr, *prevaddr, *nextaddr;
+
+	/*
+	 * Allocate the new entry and fill it in.
+	 */
+	curaddr = (pcap_addr_t*)malloc(sizeof(pcap_addr_t));
+	if (curaddr == NULL) {
+		(void)snprintf(errbuf, PCAP_ERRBUF_SIZE,
+		    "malloc: %s", pcap_strerror(errno));
+		return (-1);
+	}
+
+	curaddr->next = NULL;
+	if (addr != NULL) {
+		curaddr->addr = (struct sockaddr*)dup_sockaddr(addr, sizeof(struct sockaddr_storage));
+		if (curaddr->addr == NULL) {
+			(void)snprintf(errbuf, PCAP_ERRBUF_SIZE,
+			    "malloc: %s", pcap_strerror(errno));
+			free(curaddr);
+			return (-1);
+		}
+	} else
+		curaddr->addr = NULL;
+
+	if (netmask != NULL) {
+		curaddr->netmask = (struct sockaddr*)dup_sockaddr(netmask, sizeof(struct sockaddr_storage));
+		if (curaddr->netmask == NULL) {
+			(void)snprintf(errbuf, PCAP_ERRBUF_SIZE,
+			    "malloc: %s", pcap_strerror(errno));
+			free(curaddr);
+			return (-1);
+		}
+	} else
+		curaddr->netmask = NULL;
+		
+	if (broadaddr != NULL) {
+		curaddr->broadaddr = (struct sockaddr*)dup_sockaddr(broadaddr, sizeof(struct sockaddr_storage));
+		if (curaddr->broadaddr == NULL) {
+			(void)snprintf(errbuf, PCAP_ERRBUF_SIZE,
+			    "malloc: %s", pcap_strerror(errno));
+			free(curaddr);
+			return (-1);
+		}
+	} else
+		curaddr->broadaddr = NULL;
+		
+	if (dstaddr != NULL) {
+		curaddr->dstaddr = (struct sockaddr*)dup_sockaddr(dstaddr, sizeof(struct sockaddr_storage));
+		if (curaddr->dstaddr == NULL) {
+			(void)snprintf(errbuf, PCAP_ERRBUF_SIZE,
+			    "malloc: %s", pcap_strerror(errno));
+			free(curaddr);
+			return (-1);
+		}
+	} else
+		curaddr->dstaddr = NULL;
+		
+	/*
+	 * Find the end of the list of addresses.
+	 */
+	for (prevaddr = curdev->addresses; prevaddr != NULL; prevaddr = nextaddr) {
+		nextaddr = prevaddr->next;
+		if (nextaddr == NULL) {
+			/*
+			 * This is the end of the list.
+			 */
+			break;
+		}
+	}
+
+	if (prevaddr == NULL) {
+		/*
+		 * The list was empty; this is the first member.
+		 */
+		curdev->addresses = curaddr;
+	} else {
+		/*
+		 * "prevaddr" is the last member of the list; append
+		 * this member to it.
+		 */
+		prevaddr->next = curaddr;
+	}
+
+	return (0);
+}
+
+
+static int
+pcap_add_if_win32(pcap_if_t **devlist, char *name, const char *desc,
+    char *errbuf)
+{
+	pcap_if_t *curdev;
+	npf_if_addr if_addrs[MAX_NETWORK_ADDRESSES];
+	LONG if_addr_size;
+	int res = 0;
+
+	if_addr_size = MAX_NETWORK_ADDRESSES;
+
+	/*
+	 * Add an entry for this interface, with no addresses.
+	 */
+	if (add_or_find_if(&curdev, devlist, (char *)name, 0, (char *)desc,
+	    errbuf) == -1) {
+		/*
+		 * Failure.
+		 */
+		return (-1);
+	}
+
+	/*
+	 * Get the list of addresses for the interface.
+	 */
+	if (!PacketGetNetInfoEx((void *)name, if_addrs, &if_addr_size)) {
+		/*
+		 * Failure.
+		 *
+		 * We don't return an error, because this can happen with
+		 * NdisWan interfaces, and we want to supply them even
+		 * if we can't supply their addresses.
+		 *
+		 * We return an entry with an empty address list.
+		 */
+		return (0);
+	}
+
+	/*
+	 * Now add the addresses.
+	 */
+	while (if_addr_size-- > 0) {
+		/*
+		 * "curdev" is an entry for this interface; add an entry for
+		 * this address to its list of addresses.
+		 */
+		if(curdev == NULL)
+			break;
+		res = add_addr_to_list(curdev,
+		    (struct sockaddr *)&if_addrs[if_addr_size].IPAddress,
+		    (struct sockaddr *)&if_addrs[if_addr_size].SubnetMask,
+		    (struct sockaddr *)&if_addrs[if_addr_size].Broadcast,
+		    NULL,
+			errbuf);
+		if (res == -1) {
+			/*
+			 * Failure.
+			 */
+			break;
+		}
+	}
+
+	return (res);
+}
+
+
+/*
+ * Get a list of all interfaces that are up and that we can open.
+ * Returns -1 on error, 0 otherwise.
+ * The list, as returned through "alldevsp", may be null if no interfaces
+ * were up and could be opened.
+ *
+ * Win32 implementation, based on WinPcap
+ */
+int
+pcap_findalldevs(pcap_if_t **alldevsp, char *errbuf)
+{
+	pcap_if_t *devlist = NULL;
+	int ret = 0;
+	const char *desc;
+	char AdaptersName[8192];
+	ULONG NameLength = 8192;
+	char *name;
+	
+	if (!PacketGetAdapterNames(AdaptersName, &NameLength)) {
+		snprintf(errbuf, PCAP_ERRBUF_SIZE,
+			"PacketGetAdapterNames: %s",
+			pcap_win32strerror());
+		return (-1);
+	}
+	
+	/*
+	 * "PacketGetAdapterNames()" returned a list of
+	 * null-terminated ASCII interface name strings,
+	 * terminated by a null string, followed by a list
+	 * of null-terminated ASCII interface description
+	 * strings, terminated by a null string.
+	 * This means there are two ASCII nulls at the end
+	 * of the first list.
+	 *
+	 * Find the end of the first list; that's the
+	 * beginning of the second list.
+	 */
+	desc = &AdaptersName[0];
+	while (*desc != '\0' || *(desc + 1) != '\0')
+		desc++;
+	
+	/*
+ 	 * Found it - "desc" points to the first of the two
+	 * nulls at the end of the list of names, so the
+	 * first byte of the list of descriptions is two bytes
+	 * after it.
+	 */
+	desc += 2;
+	
+	/*
+	 * Loop over the elements in the first list.
+	 */
+	name = &AdaptersName[0];
+	while (*name != '\0') {
+	/*
+	 * Add an entry for this interface.
+	 */
+	if (pcap_add_if_win32(&devlist, name, desc,
+			errbuf) == -1) {
+			/*
+			* Failure.
+			*/
+			ret = -1;
+			break;
+		}
+		name += strlen(name) + 1;
+		desc += strlen(desc) + 1;
+	}
+	
+	if (ret == -1) {
+	/*
+	 * We had an error; free the list we've been constructing.
+	 */
+	if (devlist != NULL) {
+			pcap_freealldevs(devlist);
+			devlist = NULL;
+		}
+	}
+	
+	*alldevsp = devlist;
+	return (ret);
+}