rosapps/applications/net/niclist/niclist.c

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