16d49e1aeSJan Lentfer /*
26d49e1aeSJan Lentfer * win_if_list - Display network interfaces with description (for Windows)
36d49e1aeSJan Lentfer * Copyright (c) 2004-2006, Jouni Malinen <j@w1.fi>
46d49e1aeSJan Lentfer *
5*3ff40c12SJohn Marino * This software may be distributed under the terms of the BSD license.
6*3ff40c12SJohn Marino * See README for more details.
76d49e1aeSJan Lentfer *
86d49e1aeSJan Lentfer * This small tool is for the Windows build to provide an easy way of fetching
96d49e1aeSJan Lentfer * a list of available network interfaces.
106d49e1aeSJan Lentfer */
116d49e1aeSJan Lentfer
126d49e1aeSJan Lentfer #include "includes.h"
136d49e1aeSJan Lentfer #include <stdio.h>
146d49e1aeSJan Lentfer #ifdef CONFIG_USE_NDISUIO
156d49e1aeSJan Lentfer #include <winsock2.h>
166d49e1aeSJan Lentfer #include <ntddndis.h>
176d49e1aeSJan Lentfer #else /* CONFIG_USE_NDISUIO */
186d49e1aeSJan Lentfer #include "pcap.h"
196d49e1aeSJan Lentfer #include <winsock.h>
206d49e1aeSJan Lentfer #endif /* CONFIG_USE_NDISUIO */
216d49e1aeSJan Lentfer
226d49e1aeSJan Lentfer #ifdef CONFIG_USE_NDISUIO
236d49e1aeSJan Lentfer
246d49e1aeSJan Lentfer /* from nuiouser.h */
256d49e1aeSJan Lentfer #define FSCTL_NDISUIO_BASE FILE_DEVICE_NETWORK
266d49e1aeSJan Lentfer
276d49e1aeSJan Lentfer #define _NDISUIO_CTL_CODE(_Function, _Method, _Access) \
286d49e1aeSJan Lentfer CTL_CODE(FSCTL_NDISUIO_BASE, _Function, _Method, _Access)
296d49e1aeSJan Lentfer
306d49e1aeSJan Lentfer #define IOCTL_NDISUIO_QUERY_BINDING \
316d49e1aeSJan Lentfer _NDISUIO_CTL_CODE(0x203, METHOD_BUFFERED, \
326d49e1aeSJan Lentfer FILE_READ_ACCESS | FILE_WRITE_ACCESS)
336d49e1aeSJan Lentfer
346d49e1aeSJan Lentfer #define IOCTL_NDISUIO_BIND_WAIT \
356d49e1aeSJan Lentfer _NDISUIO_CTL_CODE(0x204, METHOD_BUFFERED, \
366d49e1aeSJan Lentfer FILE_READ_ACCESS | FILE_WRITE_ACCESS)
376d49e1aeSJan Lentfer
386d49e1aeSJan Lentfer typedef struct _NDISUIO_QUERY_BINDING
396d49e1aeSJan Lentfer {
406d49e1aeSJan Lentfer ULONG BindingIndex;
416d49e1aeSJan Lentfer ULONG DeviceNameOffset;
426d49e1aeSJan Lentfer ULONG DeviceNameLength;
436d49e1aeSJan Lentfer ULONG DeviceDescrOffset;
446d49e1aeSJan Lentfer ULONG DeviceDescrLength;
456d49e1aeSJan Lentfer } NDISUIO_QUERY_BINDING, *PNDISUIO_QUERY_BINDING;
466d49e1aeSJan Lentfer
476d49e1aeSJan Lentfer
ndisuio_open(void)486d49e1aeSJan Lentfer static HANDLE ndisuio_open(void)
496d49e1aeSJan Lentfer {
506d49e1aeSJan Lentfer DWORD written;
516d49e1aeSJan Lentfer HANDLE h;
526d49e1aeSJan Lentfer
536d49e1aeSJan Lentfer h = CreateFile(TEXT("\\\\.\\\\Ndisuio"),
546d49e1aeSJan Lentfer GENERIC_READ | GENERIC_WRITE, 0, NULL,
556d49e1aeSJan Lentfer OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL,
566d49e1aeSJan Lentfer INVALID_HANDLE_VALUE);
576d49e1aeSJan Lentfer if (h == INVALID_HANDLE_VALUE)
586d49e1aeSJan Lentfer return h;
596d49e1aeSJan Lentfer
606d49e1aeSJan Lentfer #ifndef _WIN32_WCE
616d49e1aeSJan Lentfer if (!DeviceIoControl(h, IOCTL_NDISUIO_BIND_WAIT, NULL, 0, NULL, 0,
626d49e1aeSJan Lentfer &written, NULL)) {
636d49e1aeSJan Lentfer printf("IOCTL_NDISUIO_BIND_WAIT failed: %d",
646d49e1aeSJan Lentfer (int) GetLastError());
656d49e1aeSJan Lentfer CloseHandle(h);
666d49e1aeSJan Lentfer return INVALID_HANDLE_VALUE;
676d49e1aeSJan Lentfer }
686d49e1aeSJan Lentfer #endif /* _WIN32_WCE */
696d49e1aeSJan Lentfer
706d49e1aeSJan Lentfer return h;
716d49e1aeSJan Lentfer }
726d49e1aeSJan Lentfer
736d49e1aeSJan Lentfer
ndisuio_query_bindings(HANDLE ndisuio)746d49e1aeSJan Lentfer static void ndisuio_query_bindings(HANDLE ndisuio)
756d49e1aeSJan Lentfer {
766d49e1aeSJan Lentfer NDISUIO_QUERY_BINDING *b;
776d49e1aeSJan Lentfer size_t blen = sizeof(*b) + 1024;
786d49e1aeSJan Lentfer int i, error;
796d49e1aeSJan Lentfer DWORD written;
806d49e1aeSJan Lentfer char name[256], desc[256];
816d49e1aeSJan Lentfer WCHAR *pos;
826d49e1aeSJan Lentfer size_t j, len;
836d49e1aeSJan Lentfer
846d49e1aeSJan Lentfer b = malloc(blen);
856d49e1aeSJan Lentfer if (b == NULL)
866d49e1aeSJan Lentfer return;
876d49e1aeSJan Lentfer
886d49e1aeSJan Lentfer for (i = 0; ; i++) {
896d49e1aeSJan Lentfer memset(b, 0, blen);
906d49e1aeSJan Lentfer b->BindingIndex = i;
916d49e1aeSJan Lentfer if (!DeviceIoControl(ndisuio, IOCTL_NDISUIO_QUERY_BINDING,
926d49e1aeSJan Lentfer b, sizeof(NDISUIO_QUERY_BINDING), b,
936d49e1aeSJan Lentfer (DWORD) blen, &written, NULL)) {
946d49e1aeSJan Lentfer error = (int) GetLastError();
956d49e1aeSJan Lentfer if (error == ERROR_NO_MORE_ITEMS)
966d49e1aeSJan Lentfer break;
976d49e1aeSJan Lentfer printf("IOCTL_NDISUIO_QUERY_BINDING failed: %d",
986d49e1aeSJan Lentfer error);
996d49e1aeSJan Lentfer break;
1006d49e1aeSJan Lentfer }
1016d49e1aeSJan Lentfer
1026d49e1aeSJan Lentfer pos = (WCHAR *) ((char *) b + b->DeviceNameOffset);
1036d49e1aeSJan Lentfer len = b->DeviceNameLength;
1046d49e1aeSJan Lentfer if (len >= sizeof(name))
1056d49e1aeSJan Lentfer len = sizeof(name) - 1;
1066d49e1aeSJan Lentfer for (j = 0; j < len; j++)
1076d49e1aeSJan Lentfer name[j] = (char) pos[j];
1086d49e1aeSJan Lentfer name[len] = '\0';
1096d49e1aeSJan Lentfer
1106d49e1aeSJan Lentfer pos = (WCHAR *) ((char *) b + b->DeviceDescrOffset);
1116d49e1aeSJan Lentfer len = b->DeviceDescrLength;
1126d49e1aeSJan Lentfer if (len >= sizeof(desc))
1136d49e1aeSJan Lentfer len = sizeof(desc) - 1;
1146d49e1aeSJan Lentfer for (j = 0; j < len; j++)
1156d49e1aeSJan Lentfer desc[j] = (char) pos[j];
1166d49e1aeSJan Lentfer desc[len] = '\0';
1176d49e1aeSJan Lentfer
1186d49e1aeSJan Lentfer printf("ifname: %s\ndescription: %s\n\n", name, desc);
1196d49e1aeSJan Lentfer }
1206d49e1aeSJan Lentfer
1216d49e1aeSJan Lentfer free(b);
1226d49e1aeSJan Lentfer }
1236d49e1aeSJan Lentfer
1246d49e1aeSJan Lentfer
ndisuio_enum_bindings(void)1256d49e1aeSJan Lentfer static void ndisuio_enum_bindings(void)
1266d49e1aeSJan Lentfer {
1276d49e1aeSJan Lentfer HANDLE ndisuio = ndisuio_open();
1286d49e1aeSJan Lentfer if (ndisuio == INVALID_HANDLE_VALUE)
1296d49e1aeSJan Lentfer return;
1306d49e1aeSJan Lentfer
1316d49e1aeSJan Lentfer ndisuio_query_bindings(ndisuio);
1326d49e1aeSJan Lentfer CloseHandle(ndisuio);
1336d49e1aeSJan Lentfer }
1346d49e1aeSJan Lentfer
1356d49e1aeSJan Lentfer #else /* CONFIG_USE_NDISUIO */
1366d49e1aeSJan Lentfer
show_dev(pcap_if_t * dev)1376d49e1aeSJan Lentfer static void show_dev(pcap_if_t *dev)
1386d49e1aeSJan Lentfer {
1396d49e1aeSJan Lentfer printf("ifname: %s\ndescription: %s\n\n",
1406d49e1aeSJan Lentfer dev->name, dev->description);
1416d49e1aeSJan Lentfer }
1426d49e1aeSJan Lentfer
1436d49e1aeSJan Lentfer
pcap_enum_devs(void)1446d49e1aeSJan Lentfer static void pcap_enum_devs(void)
1456d49e1aeSJan Lentfer {
1466d49e1aeSJan Lentfer pcap_if_t *devs, *dev;
1476d49e1aeSJan Lentfer char err[PCAP_ERRBUF_SIZE + 1];
1486d49e1aeSJan Lentfer
1496d49e1aeSJan Lentfer if (pcap_findalldevs(&devs, err) < 0) {
1506d49e1aeSJan Lentfer fprintf(stderr, "Error - pcap_findalldevs: %s\n", err);
1516d49e1aeSJan Lentfer return;
1526d49e1aeSJan Lentfer }
1536d49e1aeSJan Lentfer
1546d49e1aeSJan Lentfer for (dev = devs; dev; dev = dev->next) {
1556d49e1aeSJan Lentfer show_dev(dev);
1566d49e1aeSJan Lentfer }
1576d49e1aeSJan Lentfer
1586d49e1aeSJan Lentfer pcap_freealldevs(devs);
1596d49e1aeSJan Lentfer }
1606d49e1aeSJan Lentfer
1616d49e1aeSJan Lentfer #endif /* CONFIG_USE_NDISUIO */
1626d49e1aeSJan Lentfer
1636d49e1aeSJan Lentfer
main(int argc,char * argv[])1646d49e1aeSJan Lentfer int main(int argc, char *argv[])
1656d49e1aeSJan Lentfer {
1666d49e1aeSJan Lentfer #ifdef CONFIG_USE_NDISUIO
1676d49e1aeSJan Lentfer ndisuio_enum_bindings();
1686d49e1aeSJan Lentfer #else /* CONFIG_USE_NDISUIO */
1696d49e1aeSJan Lentfer pcap_enum_devs();
1706d49e1aeSJan Lentfer #endif /* CONFIG_USE_NDISUIO */
1716d49e1aeSJan Lentfer
1726d49e1aeSJan Lentfer return 0;
1736d49e1aeSJan Lentfer }
174