我正在寻找一种方法来获得给定的UNCpath相应的本地path。 微软为此提供了一个小型库CheckLCL 。 所有Windows版本都不支持此库。 有没有人知道这个开源的方法？
还有MAPI函数ScLocalPathFromUNC ，但不知道它是否适用于所有平台。
经过一些Google搜索和挖掘MSDN我有以下解决方案：
#include <Crtdbg.h> // for debug stuff #include "Winnetwk.h" // for WNetGetUniversalName() #include "Lm.h" // for NetShareGetInfo() #include "pystring.h" // from http://code.google.com/p/pystring #pragma comment( lib, "Mpr.lib" ) // for WNetGetUniversalName() #pragma comment( lib, "Netapi32.lib" ) // for NetShareGetInfo() //----------------------------------------------------------------------------- // converts x:\\folder -> \\\\server\\share\\folder bool ConvertLocalPathToUNC(const char* szFilePath, std::string& strUNC) { // get size of the remote name buffer DWORD dwBufferSize = 0; char szBuff[2]; if (::WNetGetUniversalName(szFilePath, UNIVERSAL_NAME_INFO_LEVEL, szBuff, &dwBufferSize) == ERROR_MORE_DATA) { // get remote name of the share char* buf = new char[dwBufferSize]; UNIVERSAL_NAME_INFO* puni = (UNIVERSAL_NAME_INFO*) buf; if (::WNetGetUniversalName(szFilePath, UNIVERSAL_NAME_INFO_LEVEL, buf, &dwBufferSize) == NO_ERROR) { strUNC = puni->lpUniversalName; delete [] buf; return true; } delete [] buf; } return false; } //----------------------------------------------------------------------------- // converts \\\\server\\share\\folder -> x:\\folder bool ConvertUNCToLocalPath(const char* szUNC, std::string& strLocalPath) { // get share name from UNC std::string strUNC(szUNC); std::vector< std::string > vecTokens; pystring::split(strUNC, vecTokens, _T("\\")); if (vecTokens.size() < 4) return false; // we need wchar for NetShareGetInfo() std::wstring strShare(vecTokens[3].length(), L' '); std::copy(vecTokens[3].begin(), vecTokens[3].end(), strShare.begin()); PSHARE_INFO_502 BufPtr; NET_API_STATUS res; if ((res = NetShareGetInfo(NULL, const_cast<LPWSTR>(strShare.c_str()), 502, (LPBYTE*) &BufPtr)) == ERROR_SUCCESS) { // print the retrieved data. _RPTF3(_CRT_WARN, _T("%ls\t%ls\t%u\n"), BufPtr->shi502_netname, BufPtr->shi502_path, BufPtr->shi502_current_uses); std::wstring strPath(BufPtr->shi502_path); strLocalPath.assign(strPath.begin(), strPath.end()); // build local path for (size_t i = 4; i < vecTokens.size(); ++i) { if (!pystring::endswith(strLocalPath, _T("\\"))) strLocalPath += _T("\\"); strLocalPath += vecTokens[i]; } // Validate the value of the shi502_security_descriptor member. if (IsValidSecurityDescriptor(BufPtr->shi502_security_descriptor)) _RPTF0(_CRT_WARN, _T("It has a valid Security Descriptor.\n")); else _RPTF0(_CRT_WARN, _T("It does not have a valid Security Descriptor.\n")); // Free the allocated memory. NetApiBufferFree(BufPtr); } else return false; return true; }