根据端口号得到打开该端口号的进程ID

// ProcessorPort.cpp : 定义 DLL 应用程序的导出函数。 // #pragma once #include <Windows.h> #include <Psapi.h> #include <Iprtrmib.h> #include <Winsock.h> #include "ProcessorHelper.h" #pragma comment(lib,"Psapi.lib") #pragma comment(lib,"Iphlpapi.Lib") #pragma comment(lib,"WS2_32.lib") typedef struct { DWORD dwState; //连接状态 DWORD dwLocalAddr; //本地地址 DWORD dwLocalPort; //本地端口 DWORD dwRemoteAddr; //远程地址 DWORD dwRemotePort; //远程端口 DWORD dwProcessId; //进程标识 }MIB_TCPEXROW,*PMIB_TCPEXROW; typedef struct { DWORD dwLocalAddr; //本地地址 DWORD dwLocalPort; //本地端口 DWORD dwProcessId; //进程标识 }MIB_UDPEXROW,*PMIB_UDPEXROW; typedef struct { DWORD dwState; //连接状态 DWORD dwLocalAddr; //本地地址 DWORD dwLocalPort; //本地端口 DWORD dwRemoteAddr; //远程地址 DWORD dwRemotePort; //远程端口 DWORD dwProcessId; //进程标识 DWORD Unknown; //待定标识 }MIB_TCPEXROW_VISTA,*PMIB_TCPEXROW_VISTA; typedef struct { DWORD dwNumEntries; MIB_TCPEXROW table[ANY_SIZE]; }MIB_TCPEXTABLE,*PMIB_TCPEXTABLE; typedef struct { DWORD dwNumEntries; MIB_TCPEXROW_VISTA table[ANY_SIZE]; }MIB_TCPEXTABLE_VISTA,*PMIB_TCPEXTABLE_VISTA; typedef struct { DWORD dwNumEntries; MIB_UDPEXROW table[ANY_SIZE]; }MIB_UDPEXTABLE,*PMIB_UDPEXTABLE; //=====================================================================================// //Name: DWORD AllocateAndGetTcpExTableFromStack() // // //Descripion: 该函数仅仅只在 Windows XP，Windows Server 2003 下有效 // //=====================================================================================// typedef DWORD (WINAPI *PFNAllocateAndGetTcpExTableFromStack)( PMIB_TCPEXTABLE *pTcpTabel, bool bOrder, HANDLE heap, DWORD zero, DWORD flags ); //=====================================================================================// //Name: DWORD AllocateAndGetUdpExTableFromStack() // //Descripion: 该函数仅仅只在 XP，Windows Server 2003 下有效 // //=====================================================================================// typedef DWORD (WINAPI *PFNAllocateAndGetUdpExTableFromStack)( PMIB_UDPEXTABLE *pUdpTable, bool bOrder, HANDLE heap, DWORD zero, DWORD flags ); //=====================================================================================// //Name: DWORD InternalGetTcpTable2() // //Descripion: 该函数在 Windows Vista 以及 Windows 7 下面效 // //=====================================================================================// typedef DWORD (WINAPI *PFNInternalGetTcpTable2)( PMIB_TCPEXTABLE_VISTA *pTcpTable_Vista, HANDLE heap, DWORD flags ); //=====================================================================================// //Name: DWORD InternalGetUdpTableWithOwnerPid() // //Descripion: 该函数在 Windows Vista 以及 Windows 7 下面效 // //=====================================================================================// typedef DWORD (WINAPI *PFNInternalGetUdpTableWithOwnerPid)( PMIB_UDPEXTABLE *pUdpTable, HANDLE heap, DWORD flags ); //=====================================================================================// //Name: DWORD GetProcessIdByPort() // //Descripion: 根据端口号得到打开该端口号的进程ID(支持 XP，Server 2003，Vista，Win7) // //=====================================================================================// int ProcessorHelper::GetProcessIdByPort(TcpOrUdp type, DWORD dwPort) { HMODULE hModule = LoadLibraryW(L"iphlpapi.dll"); if (hModule == NULL) { return 0; } if(type == TcpType) { // 表明查询的是 TCP 信息 PFNAllocateAndGetTcpExTableFromStack pAllocateAndGetTcpExTableFromStack; pAllocateAndGetTcpExTableFromStack = (PFNAllocateAndGetTcpExTableFromStack)GetProcAddress(hModule, "AllocateAndGetTcpExTableFromStack"); if (pAllocateAndGetTcpExTableFromStack != NULL) { // 表明为 XP 或者 Server 2003 操作系统 PMIB_TCPEXTABLE pTcpExTable = NULL; if (pAllocateAndGetTcpExTableFromStack(&pTcpExTable, TRUE, GetProcessHeap(), 0, AF_INET) != 0) { if (pTcpExTable) { HeapFree(GetProcessHeap(), 0, pTcpExTable); } FreeLibrary(hModule); hModule = NULL; return 0; } for (UINT i = 0; i < pTcpExTable->dwNumEntries; i++) { // 过滤掉数据，只查询我们需要的进程数据 if(dwPort == ntohs(0x0000FFFF & pTcpExTable->table[i].dwLocalPort)) { DWORD dwProcessId = pTcpExTable->table[i].dwProcessId; if (pTcpExTable) { HeapFree(GetProcessHeap(), 0, pTcpExTable); } FreeLibrary(hModule); hModule = NULL; return dwProcessId; } } if (pTcpExTable) { HeapFree(GetProcessHeap(), 0, pTcpExTable); } FreeLibrary(hModule); hModule = NULL; return 0; } else { // 表明为 Vista 或者 7 操作系统 PMIB_TCPEXTABLE_VISTA pTcpExTable = NULL; PFNInternalGetTcpTable2 pInternalGetTcpTable2 = (PFNInternalGetTcpTable2)GetProcAddress(hModule, "InternalGetTcpTable2"); if (pInternalGetTcpTable2 == NULL) { if (pTcpExTable) { HeapFree(GetProcessHeap(), 0, pTcpExTable); } FreeLibrary(hModule); hModule = NULL; return 0; } if (pInternalGetTcpTable2(&pTcpExTable, GetProcessHeap(), 1)) { if (pTcpExTable) { HeapFree(GetProcessHeap(), 0, pTcpExTable); } FreeLibrary(hModule); hModule = NULL; return 0; } for (UINT i = 0;i < pTcpExTable->dwNumEntries; i++) { // 过滤掉数据，只查询我们需要的进程数据 if(dwPort == ntohs(0x0000FFFF & pTcpExTable->table[i].dwLocalPort)) { DWORD dwProcessId = pTcpExTable->table[i].dwProcessId; if (pTcpExTable) { HeapFree(GetProcessHeap(), 0, pTcpExTable); }