diff options
Diffstat (limited to 'src/libs/7zip/win/CPP/Windows/FileIO.h')
-rw-r--r-- | src/libs/7zip/win/CPP/Windows/FileIO.h | 217 |
1 files changed, 141 insertions, 76 deletions
diff --git a/src/libs/7zip/win/CPP/Windows/FileIO.h b/src/libs/7zip/win/CPP/Windows/FileIO.h index dce692fed..f595121ef 100644 --- a/src/libs/7zip/win/CPP/Windows/FileIO.h +++ b/src/libs/7zip/win/CPP/Windows/FileIO.h @@ -1,134 +1,199 @@ // Windows/FileIO.h -#ifndef __WINDOWS_FILEIO_H -#define __WINDOWS_FILEIO_H +#ifndef __WINDOWS_FILE_IO_H +#define __WINDOWS_FILE_IO_H -#include "../Common/Types.h" +#if defined(_WIN32) && !defined(UNDER_CE) +#include <winioctl.h> +#endif + +#include "../Common/MyString.h" +#include "../Common/MyBuffer.h" #include "Defs.h" +#define _my_IO_REPARSE_TAG_MOUNT_POINT (0xA0000003L) +#define _my_IO_REPARSE_TAG_SYMLINK (0xA000000CL) + +#define _my_SYMLINK_FLAG_RELATIVE 1 + +#define my_FSCTL_SET_REPARSE_POINT CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 41, METHOD_BUFFERED, FILE_SPECIAL_ACCESS) // REPARSE_DATA_BUFFER +#define my_FSCTL_GET_REPARSE_POINT CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 42, METHOD_BUFFERED, FILE_ANY_ACCESS) // REPARSE_DATA_BUFFER + namespace NWindows { namespace NFile { -namespace NIO { -struct CByHandleFileInfo +#if defined(_WIN32) && !defined(UNDER_CE) +bool FillLinkData(CByteBuffer &dest, const wchar_t *path, bool isSymLink); +#endif + +struct CReparseShortInfo +{ + unsigned Offset; + unsigned Size; + + bool Parse(const Byte *p, size_t size); +}; + +struct CReparseAttr { - DWORD Attrib; - FILETIME CTime; - FILETIME ATime; - FILETIME MTime; - DWORD VolumeSerialNumber; - UInt64 Size; - DWORD NumberOfLinks; - UInt64 FileIndex; + UInt32 Tag; + UInt32 Flags; + UString SubsName; + UString PrintName; + + CReparseAttr(): Tag(0), Flags(0) {} + bool Parse(const Byte *p, size_t size); + + bool IsMountPoint() const { return Tag == _my_IO_REPARSE_TAG_MOUNT_POINT; } // it's Junction + bool IsSymLink() const { return Tag == _my_IO_REPARSE_TAG_SYMLINK; } + bool IsRelative() const { return Flags == _my_SYMLINK_FLAG_RELATIVE; } + // bool IsVolume() const; + + bool IsOkNamePair() const; + UString GetPath() const; }; +namespace NIO { + +bool GetReparseData(CFSTR path, CByteBuffer &reparseData, BY_HANDLE_FILE_INFORMATION *fileInfo = NULL); +bool SetReparseData(CFSTR path, bool isDir, const void *data, DWORD size); + class CFileBase { protected: HANDLE _handle; - - bool Create(LPCTSTR fileName, DWORD desiredAccess, - DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes); - #ifndef _UNICODE - bool Create(LPCWSTR fileName, DWORD desiredAccess, + + bool Create(CFSTR path, DWORD desiredAccess, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes); - #endif + +public: + + bool DeviceIoControl(DWORD controlCode, LPVOID inBuffer, DWORD inSize, + LPVOID outBuffer, DWORD outSize, LPDWORD bytesReturned, LPOVERLAPPED overlapped = NULL) const + { + return BOOLToBool(::DeviceIoControl(_handle, controlCode, inBuffer, inSize, + outBuffer, outSize, bytesReturned, overlapped)); + } + + bool DeviceIoControlOut(DWORD controlCode, LPVOID outBuffer, DWORD outSize, LPDWORD bytesReturned) const + { + return DeviceIoControl(controlCode, NULL, 0, outBuffer, outSize, bytesReturned); + } + + bool DeviceIoControlOut(DWORD controlCode, LPVOID outBuffer, DWORD outSize) const + { + DWORD bytesReturned; + return DeviceIoControlOut(controlCode, outBuffer, outSize, &bytesReturned); + } public: #ifdef SUPPORT_DEVICE_FILE bool IsDeviceFile; - bool LengthDefined; - UInt64 Length; + bool SizeDefined; + UInt64 Size; // it can be larger than real available size #endif CFileBase(): _handle(INVALID_HANDLE_VALUE) {}; - ~CFileBase(); + ~CFileBase() { Close(); } + + bool Close() throw(); + + bool GetPosition(UInt64 &position) const throw(); + bool GetLength(UInt64 &length) const throw(); - bool Close(); + bool Seek(Int64 distanceToMove, DWORD moveMethod, UInt64 &newPosition) const throw(); + bool Seek(UInt64 position, UInt64 &newPosition) const throw(); + bool SeekToBegin() const throw(); + bool SeekToEnd(UInt64 &newPosition) const throw(); - bool GetPosition(UInt64 &position) const; - bool GetLength(UInt64 &length) const; + bool GetFileInformation(BY_HANDLE_FILE_INFORMATION *info) const + { return BOOLToBool(GetFileInformationByHandle(_handle, info)); } - bool Seek(Int64 distanceToMove, DWORD moveMethod, UInt64 &newPosition) const; - bool Seek(UInt64 position, UInt64 &newPosition); - bool SeekToBegin(); - bool SeekToEnd(UInt64 &newPosition); - - bool GetFileInformation(CByHandleFileInfo &fileInfo) const; + static bool GetFileInformation(CFSTR path, BY_HANDLE_FILE_INFORMATION *info) + { + NIO::CFileBase file; + if (!file.Create(path, 0, FILE_SHARE_READ, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS)) + return false; + return file.GetFileInformation(info); + } }; +#ifndef UNDER_CE #define IOCTL_CDROM_BASE FILE_DEVICE_CD_ROM #define IOCTL_CDROM_GET_DRIVE_GEOMETRY CTL_CODE(IOCTL_CDROM_BASE, 0x0013, METHOD_BUFFERED, FILE_READ_ACCESS) -#define IOCTL_CDROM_MEDIA_REMOVAL CTL_CODE(IOCTL_CDROM_BASE, 0x0201, METHOD_BUFFERED, FILE_READ_ACCESS) +// #define IOCTL_CDROM_MEDIA_REMOVAL CTL_CODE(IOCTL_CDROM_BASE, 0x0201, METHOD_BUFFERED, FILE_READ_ACCESS) + +// IOCTL_DISK_GET_DRIVE_GEOMETRY_EX works since WinXP +#define my_IOCTL_DISK_GET_DRIVE_GEOMETRY_EX CTL_CODE(IOCTL_DISK_BASE, 0x0028, METHOD_BUFFERED, FILE_ANY_ACCESS) + +struct my_DISK_GEOMETRY_EX +{ + DISK_GEOMETRY Geometry; + LARGE_INTEGER DiskSize; + BYTE Data[1]; +}; +#endif class CInFile: public CFileBase { #ifdef SUPPORT_DEVICE_FILE - bool DeviceIoControl(DWORD controlCode, LPVOID inBuffer, DWORD inSize, - LPVOID outBuffer, DWORD outSize, LPDWORD bytesReturned, LPOVERLAPPED overlapped) const - { - return BOOLToBool(::DeviceIoControl(_handle, controlCode, inBuffer, inSize, - outBuffer, outSize, bytesReturned, overlapped)); - } - - bool DeviceIoControl(DWORD controlCode, LPVOID inBuffer, - DWORD inSize, LPVOID outBuffer, DWORD outSize) const - { - DWORD ret; - return DeviceIoControl(controlCode, inBuffer, inSize, outBuffer, outSize, &ret, 0); - } - - bool DeviceIoControlOut(DWORD controlCode, LPVOID outBuffer, DWORD outSize) const - { return DeviceIoControl(controlCode, NULL, 0, outBuffer, outSize); } #ifndef UNDER_CE + bool GetGeometry(DISK_GEOMETRY *res) const { return DeviceIoControlOut(IOCTL_DISK_GET_DRIVE_GEOMETRY, res, sizeof(*res)); } + bool GetGeometryEx(my_DISK_GEOMETRY_EX *res) const + { return DeviceIoControlOut(my_IOCTL_DISK_GET_DRIVE_GEOMETRY_EX, res, sizeof(*res)); } + bool GetCdRomGeometry(DISK_GEOMETRY *res) const { return DeviceIoControlOut(IOCTL_CDROM_GET_DRIVE_GEOMETRY, res, sizeof(*res)); } - + bool GetPartitionInfo(PARTITION_INFORMATION *res) { return DeviceIoControlOut(IOCTL_DISK_GET_PARTITION_INFO, LPVOID(res), sizeof(*res)); } + #endif - void GetDeviceLength(); + void CorrectDeviceSize(); + void CalcDeviceSize(CFSTR name); + #endif public: - bool Open(LPCTSTR fileName, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes); - bool OpenShared(LPCTSTR fileName, bool shareForWrite); - bool Open(LPCTSTR fileName); - #ifndef _UNICODE - bool Open(LPCWSTR fileName, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes); - bool OpenShared(LPCWSTR fileName, bool shareForWrite); - bool Open(LPCWSTR fileName); + bool Open(CFSTR fileName, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes); + bool OpenShared(CFSTR fileName, bool shareForWrite); + bool Open(CFSTR fileName); + + #ifndef UNDER_CE + + bool OpenReparse(CFSTR fileName) + { + return Open(fileName, FILE_SHARE_READ, OPEN_EXISTING, + FILE_FLAG_OPEN_REPARSE_POINT | FILE_FLAG_BACKUP_SEMANTICS); + } + #endif - bool Read1(void *data, UInt32 size, UInt32 &processedSize); - bool ReadPart(void *data, UInt32 size, UInt32 &processedSize); - bool Read(void *data, UInt32 size, UInt32 &processedSize); + + bool Read1(void *data, UInt32 size, UInt32 &processedSize) throw(); + bool ReadPart(void *data, UInt32 size, UInt32 &processedSize) throw(); + bool Read(void *data, UInt32 size, UInt32 &processedSize) throw(); }; class COutFile: public CFileBase { public: - bool Open(LPCTSTR fileName, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes); - bool Open(LPCTSTR fileName, DWORD creationDisposition); - bool Create(LPCTSTR fileName, bool createAlways); - - #ifndef _UNICODE - bool Open(LPCWSTR fileName, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes); - bool Open(LPCWSTR fileName, DWORD creationDisposition); - bool Create(LPCWSTR fileName, bool createAlways); - #endif - - bool SetTime(const FILETIME *cTime, const FILETIME *aTime, const FILETIME *mTime); - bool SetMTime(const FILETIME *mTime); - bool WritePart(const void *data, UInt32 size, UInt32 &processedSize); - bool Write(const void *data, UInt32 size, UInt32 &processedSize); - bool SetEndOfFile(); - bool SetLength(UInt64 length); + bool Open(CFSTR fileName, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes); + bool Open(CFSTR fileName, DWORD creationDisposition); + bool Create(CFSTR fileName, bool createAlways); + bool CreateAlways(CFSTR fileName, DWORD flagsAndAttributes); + + bool SetTime(const FILETIME *cTime, const FILETIME *aTime, const FILETIME *mTime) throw(); + bool SetMTime(const FILETIME *mTime) throw(); + bool WritePart(const void *data, UInt32 size, UInt32 &processedSize) throw(); + bool Write(const void *data, UInt32 size, UInt32 &processedSize) throw(); + bool SetEndOfFile() throw(); + bool SetLength(UInt64 length) throw(); }; }}} |