diff options
| -rw-r--r-- | Source/kwsys/SystemTools.cxx | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/Source/kwsys/SystemTools.cxx b/Source/kwsys/SystemTools.cxx index d552d9f..476fe08 100644 --- a/Source/kwsys/SystemTools.cxx +++ b/Source/kwsys/SystemTools.cxx @@ -1197,9 +1197,27 @@ bool SystemTools::FileExists(const std::string& filename) } return access(filename.c_str(), R_OK) == 0; #elif defined(_WIN32) - return ( - GetFileAttributesW(Encoding::ToWindowsExtendedPath(filename).c_str()) != - INVALID_FILE_ATTRIBUTES); + DWORD attr = + GetFileAttributesW(Encoding::ToWindowsExtendedPath(filename).c_str()); + if (attr == INVALID_FILE_ATTRIBUTES) { + return false; + } + + if (attr & FILE_ATTRIBUTE_REPARSE_POINT) { + // Using 0 instead of GENERIC_READ as it allows reading of file attributes + // even if we do not have permission to read the file itself + HANDLE handle = + CreateFileW(Encoding::ToWindowsExtendedPath(filename).c_str(), 0, 0, + NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL); + + if (handle == INVALID_HANDLE_VALUE) { + return false; + } + + CloseHandle(handle); + } + + return true; #else // SCO OpenServer 5.0.7/3.2's command has 711 permission. # if defined(_SCO_DS) |