niclist.c File Reference

#include <windows.h>
#include <stdio.h>
#include <stdlib.h>

Include dependency graph for niclist.c:

Go to the source code of this file.

Classes
struct	NIC_INFO_NT

Macros
#define	MAX_ADAPTERS   10
#define	NIC_BUFFER_SIZE   2048

Functions
int	main (int argc, char **argv)

Variables
NIC_INFO_NT	nic_info [MAX_ADAPTERS]
BOOLEAN(*	PacketGetAdapterNames )(PTSTR, PULONG) = NULL
PCHAR(*	PacketGetVersion )(VOID) = NULL

Macro Definition Documentation

MAX_ADAPTERS

#define MAX_ADAPTERS   10

Definition at line 21 of file niclist.c.

NIC_BUFFER_SIZE

#define NIC_BUFFER_SIZE   2048

Definition at line 22 of file niclist.c.

Function Documentation

main()

int main	(	int argc	,
		char **	argv
	)

Definition at line 39 of file niclist.c.

{
    char AdapterInfo[NIC_BUFFER_SIZE] = { '\0','\0' };
    unsigned long AdapterLength = NIC_BUFFER_SIZE;
    LPWSTR wstrName;
    LPSTR strDesc;
    int nAdapterCount;
    int i;
 
    char* PacketLibraryVersion;
 
 
    // Attemp to load the WinPCap dynamic link library
    HINSTANCE hPacket = LoadLibrary("PACKET.DLL");
    if (hPacket) {
        PacketGetAdapterNames = (BOOLEAN (*)(PTSTR, PULONG))GetProcAddress(hPacket, "PacketGetAdapterNames");
        PacketGetVersion = (PCHAR (*)(VOID))GetProcAddress(hPacket, "PacketGetVersion");
    } else {
        printf("Could not load WinPCap driver! for more information goto:\n");
        printf ("http://netgroup-serv.polito.it/winpcap\n");
        return 1;
    }
    if (!(PacketLibraryVersion = PacketGetVersion())) {
        printf("ERROR: Could not get Packet DLL Version string.\n");
        return 2;
    }
    printf("Packet Library Version: %s\n", PacketLibraryVersion);
 
    if (!PacketGetAdapterNames(AdapterInfo, &AdapterLength)) {
        printf("ERROR: Could not get Packet Adaptor Names.\n");
        return 2;
    }
    wstrName = (LPWSTR)AdapterInfo;
 
    // Enumerate all the adapters names found...
    nAdapterCount = 0;
    while ((*wstrName)) {
        nic_info[nAdapterCount].wstrName = wstrName;
        wstrName += lstrlenW(wstrName) + 1;
        nAdapterCount++;
        if (nAdapterCount > 9) break;
    }
    strDesc = (LPSTR)++wstrName;
 
    if (!nAdapterCount) {
        printf("No Packet Adaptors found (%lu)\n", AdapterLength);
    } else {
        printf("Adaptor count: %d\n", nAdapterCount);
    }
 
    // And obtain the adapter description strings....
    for (i = 0; i < nAdapterCount; i++) {
        nic_info[i].strDesc = strDesc;
        strDesc += lstrlen(strDesc) + 1;
 
        // display adapter info
        printf("%d: %s\n", i + 1, nic_info[i].strDesc);
        wprintf(L"     Device: %s\n", nic_info[i].wstrName);
    }
    return 0;
}

Variable Documentation

nic_info

NIC_INFO_NT nic_info[MAX_ADAPTERS]

Definition at line 32 of file niclist.c.

Referenced by main().

PacketGetAdapterNames

BOOLEAN(* PacketGetAdapterNames) (PTSTR, PULONG)	(	PTSTR	,
		PULONG
	)		= NULL

Definition at line 35 of file niclist.c.

Referenced by main().

PacketGetVersion

PCHAR(* PacketGetVersion) (VOID)

(

VOID

)

= NULL

Definition at line 36 of file niclist.c.

Referenced by main().