diff options
Diffstat (limited to 'fad-win32.c')
-rw-r--r-- | fad-win32.c | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/fad-win32.c b/fad-win32.c deleted file mode 100644 index 0de893ef5487..000000000000 --- a/fad-win32.c +++ /dev/null @@ -1,248 +0,0 @@ -/* - * Copyright (c) 2002 - 2005 NetGroup, Politecnico di Torino (Italy) - * Copyright (c) 2005 - 2006 CACE Technologies, Davis (California) - * 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, CACE Technologies - * 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. - * - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <pcap.h> -#include <pcap-int.h> -#include <Packet32.h> - -#include <errno.h> - -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, name, 0, 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_dev(curdev, - (struct sockaddr *)&if_addrs[if_addr_size].IPAddress, - sizeof (struct sockaddr_storage), - (struct sockaddr *)&if_addrs[if_addr_size].SubnetMask, - sizeof (struct sockaddr_storage), - (struct sockaddr *)&if_addrs[if_addr_size].Broadcast, - sizeof (struct sockaddr_storage), - NULL, - 0, - 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_interfaces(pcap_if_t **alldevsp, char *errbuf) -{ - pcap_if_t *devlist = NULL; - int ret = 0; - const char *desc; - char *AdaptersName; - ULONG NameLength; - char *name; - - /* - * Find out how big a buffer we need. - * - * This call should always return FALSE; if the error is - * ERROR_INSUFFICIENT_BUFFER, NameLength will be set to - * the size of the buffer we need, otherwise there's a - * problem, and NameLength should be set to 0. - * - * It shouldn't require NameLength to be set, but, - * at least as of WinPcap 4.1.3, it checks whether - * NameLength is big enough before it checks for a - * NULL buffer argument, so, while it'll still do - * the right thing if NameLength is uninitialized and - * whatever junk happens to be there is big enough - * (because the pointer argument will be null), it's - * still reading an uninitialized variable. - */ - NameLength = 0; - if (!PacketGetAdapterNames(NULL, &NameLength)) - { - DWORD last_error = GetLastError(); - - if (last_error != ERROR_INSUFFICIENT_BUFFER) - { - snprintf(errbuf, PCAP_ERRBUF_SIZE, - "PacketGetAdapterNames: %s", - pcap_win32strerror()); - return (-1); - } - } - - if (NameLength > 0) - AdaptersName = (char*) malloc(NameLength); - else - { - *alldevsp = NULL; - return 0; - } - if (AdaptersName == NULL) - { - snprintf(errbuf, PCAP_ERRBUF_SIZE, "Cannot allocate enough memory to list the adapters."); - return (-1); - } - - if (!PacketGetAdapterNames(AdaptersName, &NameLength)) { - snprintf(errbuf, PCAP_ERRBUF_SIZE, - "PacketGetAdapterNames: %s", - pcap_win32strerror()); - free(AdaptersName); - 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 haven't had any errors yet; do any platform-specific - * operations to add devices. - */ - if (pcap_platform_finddevs(&devlist, errbuf) < 0) - ret = -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; - free(AdaptersName); - return (ret); -} |