// com.cpp : Implementation of DLL Exports.
// Note: Proxy/Stub Information
// To build a separate proxy/stub DLL,
// run nmake -f comps.mk in the project directory.#include "stdafx.h"
#include "resource.h"
#include <initguid.h>
#include "com.h"#include "com_i.c"//#include < mfc.h >
#include < windows.h >
#include < wincon.h >
#include < stdlib.h >
#include < stdio.h >
#include < time.h >
#include < nb30.h >
#include <conio.h> // 因为是通过NetAPI来获取网卡信息,所以需要包含其题头文件nb30.h
typedef struct _ASTAT_
{
ADAPTER_STATUS adapt;
NAME_BUFFER NameBuff [30];
}ASTAT, * PASTAT;ASTAT Adapter; // 定义一个存放返回网卡信息的变量
// 输入参数:lana_num为网卡编号,一般地,从0开始,但在Windows 2000中并不一定是连续分配的
CComModule _Module;BEGIN_OBJECT_MAP(ObjectMap)
END_OBJECT_MAP()/////////////////////////////////////////////////////////////////////////////
// DLL Entry Pointextern "C"
BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID /*lpReserved*/)
{
if (dwReason == DLL_PROCESS_ATTACH)
{
_Module.Init(ObjectMap, hInstance, &LIBID_COMLib);
DisableThreadLibraryCalls(hInstance);
}
else if (dwReason == DLL_PROCESS_DETACH)
_Module.Term();
return TRUE; // ok
}/////////////////////////////////////////////////////////////////////////////
// Used to determine whether the DLL can be unloaded by OLESTDAPI DllCanUnloadNow(void)
{
return (_Module.GetLockCount()==0) ? S_OK : S_FALSE;
}/////////////////////////////////////////////////////////////////////////////
// Returns a class factory to create an object of the requested typeSTDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID* ppv)
{
return _Module.GetClassObject(rclsid, riid, ppv);
}/////////////////////////////////////////////////////////////////////////////
// DllRegisterServer - Adds entries to the system registrySTDAPI DllRegisterServer(void)
{
// registers object, typelib and all interfaces in typelib
return _Module.RegisterServer(TRUE);
}/////////////////////////////////////////////////////////////////////////////
// DllUnregisterServer - Removes entries from the system registrySTDAPI DllUnregisterServer(void)
{
return _Module.UnregisterServer(TRUE);
}
void getmac_one (int lana_num,UCHAR lana_val[6])
{
NCB ncb;
UCHAR uRetCode;
// CString s; memset( &ncb, 0, sizeof(ncb) );
ncb.ncb_command = NCBRESET;
ncb.ncb_lana_num = lana_num;
// 指定网卡号 // 首先对选定的网卡发送一个NCBRESET命令,以便进行初始化
uRetCode = Netbios( &ncb );
// printf( "The NCBRESET return code is: 0x%x \n", uRetCode ); memset( &ncb, 0, sizeof(ncb) );
ncb.ncb_command = NCBASTAT;
ncb.ncb_lana_num = lana_num; // 指定网卡号 strcpy( (char *)ncb.ncb_callname,
"* " );
ncb.ncb_buffer = (unsigned char *) &Adapter; // 指定返回的信息存放的变量
ncb.ncb_length = sizeof(Adapter); // 接着,可以发送NCBASTAT命令以获取网卡的信息
uRetCode = Netbios( &ncb );
// printf( "The NCBASTAT return code is: 0x%x \n", uRetCode );
if ( uRetCode == 0 )
{ /* 把网卡MAC地址格式化成常用的16进制形式,如0010-A4E4-5802
s.Format( "The Ethernet Number[%d] is: %02X%02X-%02X%02X-%02X%02X\n", lana_num,
Adapter.adapt.adapter_address[0],
Adapter.adapt.adapter_address[1],
Adapter.adapt.adapter_address[2],
Adapter.adapt.adapter_address[3],
Adapter.adapt.adapter_address[4],
Adapter.adapt.adapter_address[5] );
AfxMessageBox(s);
*/for (int i=0;i<6;i++)
lana_val[i]=Adapter.adapt.adapter_address[i];
}
}int __stdcall mainshow(UCHAR card[6])
{
NCB ncb;
// CString s;
// char scard[6]; UCHAR uRetCode;
LANA_ENUM lana_enum; memset( &ncb, 0, sizeof(ncb) );
ncb.ncb_command = NCBENUM; ncb.ncb_buffer = (unsigned char *) &lana_enum;
ncb.ncb_length = sizeof(lana_enum); // 向网卡发送NCBENUM命令,以获取当前机器的网卡信息,如有多少个网卡、每张网卡的编号等
uRetCode = Netbios( &ncb );
//printf( "The NCBENUM return code is: 0x%x \n", uRetCode );
if ( uRetCode == 0 )
{
//printf( "Ethernet Count is : %d\n\n", lana_enum.length); // 对每一张网卡,以其网卡编号为输入编号,获取其MAC地址
for ( int i=0; i< lana_enum.length; ++i)
getmac_one( lana_enum.lana[i],card); }
getche(); return 0;
}报错信息如下:
--------------------Configuration: com - Win32 Debug--------------------
Linking...
Creating library Debug/com.lib and object Debug/com.exp
com.obj : error LNK2001: unresolved external symbol _Netbios@4
Debug/com.dll : fatal error LNK1120: 1 unresolved externals
Error executing link.exe.com.dll - 2 error(s), 0 warning(s)
帮忙解决以下,感激不尽!
// Note: Proxy/Stub Information
// To build a separate proxy/stub DLL,
// run nmake -f comps.mk in the project directory.#include "stdafx.h"
#include "resource.h"
#include <initguid.h>
#include "com.h"#include "com_i.c"//#include < mfc.h >
#include < windows.h >
#include < wincon.h >
#include < stdlib.h >
#include < stdio.h >
#include < time.h >
#include < nb30.h >
#include <conio.h> // 因为是通过NetAPI来获取网卡信息,所以需要包含其题头文件nb30.h
typedef struct _ASTAT_
{
ADAPTER_STATUS adapt;
NAME_BUFFER NameBuff [30];
}ASTAT, * PASTAT;ASTAT Adapter; // 定义一个存放返回网卡信息的变量
// 输入参数:lana_num为网卡编号,一般地,从0开始,但在Windows 2000中并不一定是连续分配的
CComModule _Module;BEGIN_OBJECT_MAP(ObjectMap)
END_OBJECT_MAP()/////////////////////////////////////////////////////////////////////////////
// DLL Entry Pointextern "C"
BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID /*lpReserved*/)
{
if (dwReason == DLL_PROCESS_ATTACH)
{
_Module.Init(ObjectMap, hInstance, &LIBID_COMLib);
DisableThreadLibraryCalls(hInstance);
}
else if (dwReason == DLL_PROCESS_DETACH)
_Module.Term();
return TRUE; // ok
}/////////////////////////////////////////////////////////////////////////////
// Used to determine whether the DLL can be unloaded by OLESTDAPI DllCanUnloadNow(void)
{
return (_Module.GetLockCount()==0) ? S_OK : S_FALSE;
}/////////////////////////////////////////////////////////////////////////////
// Returns a class factory to create an object of the requested typeSTDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID* ppv)
{
return _Module.GetClassObject(rclsid, riid, ppv);
}/////////////////////////////////////////////////////////////////////////////
// DllRegisterServer - Adds entries to the system registrySTDAPI DllRegisterServer(void)
{
// registers object, typelib and all interfaces in typelib
return _Module.RegisterServer(TRUE);
}/////////////////////////////////////////////////////////////////////////////
// DllUnregisterServer - Removes entries from the system registrySTDAPI DllUnregisterServer(void)
{
return _Module.UnregisterServer(TRUE);
}
void getmac_one (int lana_num,UCHAR lana_val[6])
{
NCB ncb;
UCHAR uRetCode;
// CString s; memset( &ncb, 0, sizeof(ncb) );
ncb.ncb_command = NCBRESET;
ncb.ncb_lana_num = lana_num;
// 指定网卡号 // 首先对选定的网卡发送一个NCBRESET命令,以便进行初始化
uRetCode = Netbios( &ncb );
// printf( "The NCBRESET return code is: 0x%x \n", uRetCode ); memset( &ncb, 0, sizeof(ncb) );
ncb.ncb_command = NCBASTAT;
ncb.ncb_lana_num = lana_num; // 指定网卡号 strcpy( (char *)ncb.ncb_callname,
"* " );
ncb.ncb_buffer = (unsigned char *) &Adapter; // 指定返回的信息存放的变量
ncb.ncb_length = sizeof(Adapter); // 接着,可以发送NCBASTAT命令以获取网卡的信息
uRetCode = Netbios( &ncb );
// printf( "The NCBASTAT return code is: 0x%x \n", uRetCode );
if ( uRetCode == 0 )
{ /* 把网卡MAC地址格式化成常用的16进制形式,如0010-A4E4-5802
s.Format( "The Ethernet Number[%d] is: %02X%02X-%02X%02X-%02X%02X\n", lana_num,
Adapter.adapt.adapter_address[0],
Adapter.adapt.adapter_address[1],
Adapter.adapt.adapter_address[2],
Adapter.adapt.adapter_address[3],
Adapter.adapt.adapter_address[4],
Adapter.adapt.adapter_address[5] );
AfxMessageBox(s);
*/for (int i=0;i<6;i++)
lana_val[i]=Adapter.adapt.adapter_address[i];
}
}int __stdcall mainshow(UCHAR card[6])
{
NCB ncb;
// CString s;
// char scard[6]; UCHAR uRetCode;
LANA_ENUM lana_enum; memset( &ncb, 0, sizeof(ncb) );
ncb.ncb_command = NCBENUM; ncb.ncb_buffer = (unsigned char *) &lana_enum;
ncb.ncb_length = sizeof(lana_enum); // 向网卡发送NCBENUM命令,以获取当前机器的网卡信息,如有多少个网卡、每张网卡的编号等
uRetCode = Netbios( &ncb );
//printf( "The NCBENUM return code is: 0x%x \n", uRetCode );
if ( uRetCode == 0 )
{
//printf( "Ethernet Count is : %d\n\n", lana_enum.length); // 对每一张网卡,以其网卡编号为输入编号,获取其MAC地址
for ( int i=0; i< lana_enum.length; ++i)
getmac_one( lana_enum.lana[i],card); }
getche(); return 0;
}报错信息如下:
--------------------Configuration: com - Win32 Debug--------------------
Linking...
Creating library Debug/com.lib and object Debug/com.exp
com.obj : error LNK2001: unresolved external symbol _Netbios@4
Debug/com.dll : fatal error LNK1120: 1 unresolved externals
Error executing link.exe.com.dll - 2 error(s), 0 warning(s)
帮忙解决以下,感激不尽!
编译
VC里面的Project菜单->Settings
选个需要加入库的工程,比如DEBUG版本,再选右面的LINK选项卡,把库文件的名字加入此选项:Object/library modules
OK,可以了。