rosapps/net/niclist/niclist.c

   1 /* $Id: niclist.c,v 1.3 2004/01/12 22:45:53 sedwards Exp $
   2  *
   3  * COPYRIGHT:   See COPYING in the top level directory
   4  * PROJECT:     ReactOS packet driver interface list utility
   5  * FILE:        apps/net/niclist/niclist.c
   6  * PURPOSE:     Network information utility
   7  * PROGRAMMERS: Robert Dickenson (robert_dickenson@users.sourceforge.net)
   8  * REVISIONS:
   9  *   RDD  10/07/2002 Created from bochs sources
  10  */
  11 /*
  12  For this program and for win32 ethernet, the winpcap library is required.
  13  Download it from http://netgroup-serv.polito.it/winpcap.
  14  */
  15 #ifdef MSC_VER
  16 #define WIN32_LEAN_AND_MEAN
  17 #endif
  18 #include <windows.h>
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21
  22 #define MAX_ADAPTERS 10
  23 #define NIC_BUFFER_SIZE 2048
  24
  25
  26 // structure to hold the adapter name and description
  27 typedef struct {
  28     LPWSTR wstrName;
  29     LPSTR strDesc;
  30 } NIC_INFO_NT;
  31
  32 // array of structures to hold information for our adapters
  33 NIC_INFO_NT nic_info[MAX_ADAPTERS];
  34
  35 // pointer to exported function in winpcap library
  36 BOOLEAN (*PacketGetAdapterNames)(PTSTR, PULONG) = NULL;
  37 PCHAR (*PacketGetVersion)(VOID) = NULL;
  38
  39
  40 int main(int argc, char **argv)
  41 {
  42     char AdapterInfo[NIC_BUFFER_SIZE] = { '\0','\0' };
  43     unsigned long AdapterLength = NIC_BUFFER_SIZE;
  44     LPWSTR wstrName;
  45     LPSTR strDesc;
  46     int nAdapterCount;
  47     int i;
  48
  49         char* PacketLibraryVersion;
  50
  51
  52     // Attemp to load the WinPCap dynamic link library
  53     HINSTANCE hPacket = LoadLibrary("PACKET.DLL");
  54     if (hPacket) {
  55         PacketGetAdapterNames = (BOOLEAN (*)(PTSTR, PULONG))GetProcAddress(hPacket, "PacketGetAdapterNames");
  56         PacketGetVersion = (BOOLEAN (*)(PTSTR, PULONG))GetProcAddress(hPacket, "PacketGetVersion");
  57     } else {
  58         printf("Could not load WinPCap driver! for more information goto:\n");
  59         printf ("http://netgroup-serv.polito.it/winpcap\n");
  60         return 1;
  61     }
  62     if (!(PacketLibraryVersion = PacketGetVersion())) {
  63         printf("ERROR: Could not get Packet DLL Version string.\n");
  64                 return 2;
  65         }
  66         printf("Packet Library Version: %s\n", PacketLibraryVersion);
  67
  68     if (!PacketGetAdapterNames(AdapterInfo, &AdapterLength)) {
  69         printf("ERROR: Could not get Packet Adaptor Names.\n");
  70                 return 2;
  71         }
  72     wstrName = (LPWSTR)AdapterInfo;
  73
  74     // Enumerate all the adapters names found...
  75     nAdapterCount = 0;
  76     while ((*wstrName)) {
  77         nic_info[nAdapterCount].wstrName = wstrName;
  78         wstrName += lstrlenW(wstrName) + 1;
  79         nAdapterCount++;
  80                 if (nAdapterCount > 9) break;
  81     }
  82     strDesc = (LPSTR)++wstrName;
  83
  84         if (!nAdapterCount) {
  85                 printf("No Packet Adaptors found (%d)\n", AdapterLength);
  86         } else {
  87             printf("Adaptor count: %d\n", nAdapterCount);
  88         }
  89
  90     // And obtain the adapter description strings....
  91     for (i = 0; i < nAdapterCount; i++) {
  92         nic_info[i].strDesc = strDesc;
  93         strDesc += lstrlen(strDesc) + 1;
  94
  95         // display adapter info
  96         printf("%d: %s\n", i + 1, nic_info[i].strDesc);
  97         wprintf(L"     Device: %s\n", nic_info[i].wstrName);
  98     }
  99     return 0;
 100 }