Ros-diffs October 2014

ros-diffs@reactos.org

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730 discussions

[tkreuzer] 64450: [DLLEXPORT_TEST] Make it a DLL, not a static lib. Noticed by Thomas.
by tkreuzer＠svn.reactos.org 02 Oct '14

02 Oct '14

Author: tkreuzer Date: Thu Oct 2 07:58:18 2014 New Revision: 64450 URL: http://svn.reactos.org/svn/reactos?rev=64450&view=rev Log: [DLLEXPORT_TEST] Make it a DLL, not a static lib. Noticed by Thomas. Modified: trunk/rostests/tests/dllexport/CMakeLists.txt Modified: trunk/rostests/tests/dllexport/CMakeLists.txt URL: http://svn.reactos.org/svn/reactos/trunk/rostests/tests/dllexport/CMakeList… ============================================================================== --- trunk/rostests/tests/dllexport/CMakeLists.txt [iso-8859-1] (original) +++ trunk/rostests/tests/dllexport/CMakeLists.txt [iso-8859-1] Thu Oct 2 07:58:18 2014 @@ -25,8 +25,8 @@ add_compile_flags("/Zc:wchar_t-") endif() -add_library(dllimport_test +add_library(dllimport_test SHARED dllimport_framedyn.cpp) set_module_type(dllimport_test win32dll ENTRYPOINT 0) -add_importlibs(dllimport_test framedyn) +add_importlibs(dllimport_test msvcrt framedyn) target_link_libraries(dllimport_test framedynex)

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[tkreuzer] 64449: [DLLEXPORT_TEST] Fix a typo
by tkreuzer＠svn.reactos.org 02 Oct '14

02 Oct '14

Author: tkreuzer Date: Thu Oct 2 07:30:59 2014 New Revision: 64449 URL: http://svn.reactos.org/svn/reactos?rev=64449&view=rev Log: [DLLEXPORT_TEST] Fix a typo Modified: trunk/rostests/tests/dllexport/CMakeLists.txt Modified: trunk/rostests/tests/dllexport/CMakeLists.txt URL: http://svn.reactos.org/svn/reactos/trunk/rostests/tests/dllexport/CMakeList… ============================================================================== --- trunk/rostests/tests/dllexport/CMakeLists.txt [iso-8859-1] (original) +++ trunk/rostests/tests/dllexport/CMakeLists.txt [iso-8859-1] Thu Oct 2 07:30:59 2014 @@ -25,7 +25,7 @@ add_compile_flags("/Zc:wchar_t-") endif() -add_executable(dllimport_test +add_library(dllimport_test dllimport_framedyn.cpp) set_module_type(dllimport_test win32dll ENTRYPOINT 0) add_importlibs(dllimport_test framedyn)

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[hpoussin] 64448: [MOUNTMGR] Misc fixes for IOCTLs
by hpoussin＠svn.reactos.org 02 Oct '14

02 Oct '14

Author: hpoussin Date: Thu Oct 2 05:06:24 2014 New Revision: 64448 URL: http://svn.reactos.org/svn/reactos?rev=64448&view=rev Log: [MOUNTMGR] Misc fixes for IOCTLs Modified: trunk/reactos/drivers/filters/mountmgr/device.c trunk/reactos/drivers/filters/mountmgr/mountmgr.c Modified: trunk/reactos/drivers/filters/mountmgr/device.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filters/mountmgr/d… ============================================================================== --- trunk/reactos/drivers/filters/mountmgr/device.c [iso-8859-1] (original) +++ trunk/reactos/drivers/filters/mountmgr/device.c [iso-8859-1] Thu Oct 2 05:06:24 2014 @@ -653,7 +653,7 @@ PMOUNTMGR_DRIVE_LETTER_TARGET DriveLetterTarget; MOUNTMGR_DRIVE_LETTER_INFORMATION DriveLetterInformation; - Stack = IoGetNextIrpStackLocation(Irp); + Stack = IoGetCurrentIrpStackLocation(Irp); /* Validate input */ if (Stack->Parameters.DeviceIoControl.InputBufferLength < sizeof(MOUNTMGR_DRIVE_LETTER_TARGET) || @@ -845,7 +845,7 @@ PSYMLINK_INFORMATION SymlinkInformation; PASSOCIATED_DEVICE_ENTRY AssociatedDevice; - Stack = IoGetNextIrpStackLocation(Irp); + Stack = IoGetCurrentIrpStackLocation(Irp); /* Validate input size */ if (Stack->Parameters.DeviceIoControl.InputBufferLength < sizeof(MOUNTMGR_TARGET_NAME)) @@ -1075,7 +1075,7 @@ PMOUNTMGR_TARGET_NAME Target; PDEVICE_INFORMATION DeviceInformation; - Stack = IoGetNextIrpStackLocation(Irp); + Stack = IoGetCurrentIrpStackLocation(Irp); /* Validate input */ if (Stack->Parameters.DeviceIoControl.InputBufferLength < sizeof(MOUNTMGR_TARGET_NAME)) @@ -1119,7 +1119,7 @@ UNICODE_STRING SymbolicName; PMOUNTMGR_TARGET_NAME Target; - Stack = IoGetNextIrpStackLocation(Irp); + Stack = IoGetCurrentIrpStackLocation(Irp); /* Validate input */ if (Stack->Parameters.DeviceIoControl.InputBufferLength < sizeof(MOUNTMGR_TARGET_NAME)) @@ -1162,7 +1162,7 @@ PMOUNTMGR_MOUNT_POINT MountPoint; UNICODE_STRING SymbolicName, DeviceName; - Stack = IoGetNextIrpStackLocation(Irp); + Stack = IoGetCurrentIrpStackLocation(Irp); /* Validate input... */ if (Stack->Parameters.DeviceIoControl.InputBufferLength < sizeof(MOUNTMGR_MOUNT_POINT)) @@ -1310,7 +1310,7 @@ PMOUNTMGR_MOUNT_POINTS MountPoints; UNICODE_STRING SymbolicName, DeviceName; - Stack = IoGetNextIrpStackLocation(Irp); + Stack = IoGetCurrentIrpStackLocation(Irp); /* Validate input */ if (Stack->Parameters.DeviceIoControl.InputBufferLength < sizeof(MOUNTMGR_MOUNT_POINT)) @@ -1489,7 +1489,7 @@ POBJECT_NAME_INFORMATION ObjectNameInfoPtr = NULL; UNICODE_STRING SourceVolumeName, TargetDeviceName; - Stack = IoGetNextIrpStackLocation(Irp); + Stack = IoGetCurrentIrpStackLocation(Irp); /* Validate input */ if (Stack->Parameters.DeviceIoControl.InputBufferLength < sizeof(MOUNTMGR_VOLUME_MOUNT_POINT)) @@ -1722,7 +1722,7 @@ NTSTATUS Status, LockStatus; PDEVICE_EXTENSION DeviceExtension; - Stack = IoGetNextIrpStackLocation(Irp); + Stack = IoGetCurrentIrpStackLocation(Irp); DeviceExtension = DeviceObject->DeviceExtension; KeWaitForSingleObject(&(DeviceExtension->DeviceLock), Executive, KernelMode, FALSE, NULL); Modified: trunk/reactos/drivers/filters/mountmgr/mountmgr.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filters/mountmgr/m… ============================================================================== --- trunk/reactos/drivers/filters/mountmgr/mountmgr.c [iso-8859-1] (original) +++ trunk/reactos/drivers/filters/mountmgr/mountmgr.c [iso-8859-1] Thu Oct 2 05:06:24 2014 @@ -1331,9 +1331,9 @@ DeviceInformation->SuggestedDriveLetter = 0; } /* Else, it's time to set up one */ - else if (!DeviceExtension->NoAutoMount && !DeviceInformation->Removable && - DeviceExtension->AutomaticDriveLetter && HasGptDriveLetter && - DeviceInformation->SuggestedDriveLetter && + else if ((DeviceExtension->NoAutoMount || DeviceInformation->Removable) && + DeviceExtension->AutomaticDriveLetter && + (HasGptDriveLetter || DeviceInformation->SuggestedDriveLetter) && !HasNoDriveLetterEntry(UniqueId)) { /* Create a new drive letter */

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[hbelusca] 64447: [NTVDM] - INT 21h, AH=59h (Get Extended Error Information) is unimplemented but is used by many applications. DPRINT a special message to remind that we need to implement it. - Im...
by hbelusca＠svn.reactos.org 02 Oct '14

02 Oct '14

Author: hbelusca Date: Thu Oct 2 00:26:13 2014 New Revision: 64447 URL: http://svn.reactos.org/svn/reactos?rev=64447&view=rev Log: [NTVDM] - INT 21h, AH=59h (Get Extended Error Information) is unimplemented but is used by many applications. DPRINT a special message to remind that we need to implement it. - Implement INT 21h, AH=6Ch "Extended Open/Create". Modified: trunk/reactos/subsystems/ntvdm/dos/dos32krnl/dos.c trunk/reactos/subsystems/ntvdm/dos/dos32krnl/dos.h trunk/reactos/subsystems/ntvdm/dos/dos32krnl/dosfiles.c Modified: trunk/reactos/subsystems/ntvdm/dos/dos32krnl/dos.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/dos/dos32… ============================================================================== --- trunk/reactos/subsystems/ntvdm/dos/dos32krnl/dos.c [iso-8859-1] (original) +++ trunk/reactos/subsystems/ntvdm/dos/dos32krnl/dos.c [iso-8859-1] Thu Oct 2 00:26:13 2014 @@ -2579,6 +2579,14 @@ break; } + /* Get Extended Error Information */ + case 0x59: + { + DPRINT1("INT 21h, AH = 59h, BX = %04Xh - Get Extended Error Information is UNIMPLEMENTED\n", + getBX()); + break; + } + /* Create Temporary File */ case 0x5A: { @@ -2775,6 +2783,10 @@ /* Extended Open/Create */ case 0x6C: { + WORD FileHandle; + WORD CreationStatus; + WORD ErrorCode; + /* Check for AL == 00 */ if (getAL() != 0x00) { @@ -2783,10 +2795,31 @@ break; } - // TODO!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! - // FIXME: Extend and merge DosOpenFile and DosCreateFile into - // a single wrapper around CreateFileA, which acts as: - // http://www.ctyme.com/intr/rb-3179.htm + /* + * See Ralf Brown: http://www.ctyme.com/intr/rb-3179.htm + * for the full detailed description. + * + * WARNING: BH contains some extended flags that are NOT SUPPORTED. + */ + + ErrorCode = DosCreateFileEx(&FileHandle, + &CreationStatus, + (LPCSTR)SEG_OFF_TO_PTR(getDS(), getSI()), + getBL(), + getDL(), + getCX()); + + if (ErrorCode == ERROR_SUCCESS) + { + Stack[STACK_FLAGS] &= ~EMULATOR_FLAG_CF; + setCX(CreationStatus); + setAX(FileHandle); + } + else + { + Stack[STACK_FLAGS] |= EMULATOR_FLAG_CF; + setAX(ErrorCode); + } break; } Modified: trunk/reactos/subsystems/ntvdm/dos/dos32krnl/dos.h URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/dos/dos32… ============================================================================== --- trunk/reactos/subsystems/ntvdm/dos/dos32krnl/dos.h [iso-8859-1] (original) +++ trunk/reactos/subsystems/ntvdm/dos/dos32krnl/dos.h [iso-8859-1] Thu Oct 2 00:26:13 2014 @@ -192,11 +192,31 @@ WORD DosOpenHandle(HANDLE Handle); HANDLE DosGetRealHandle(WORD DosHandle); -WORD DosCreateFile(LPWORD Handle, LPCSTR FilePath, WORD CreationFlags, WORD Attributes); -WORD DosOpenFile(LPWORD Handle, LPCSTR FilePath, BYTE AccessShareModes); -WORD DosReadFile(WORD FileHandle, LPVOID Buffer, WORD Count, LPWORD BytesRead); -WORD DosWriteFile(WORD FileHandle, LPVOID Buffer, WORD Count, LPWORD BytesWritten); -WORD DosSeekFile(WORD FileHandle, LONG Offset, BYTE Origin, LPDWORD NewOffset); +WORD DosCreateFileEx(LPWORD Handle, + LPWORD CreationStatus, + LPCSTR FilePath, + BYTE AccessShareModes, + WORD CreateActionFlags, + WORD Attributes); +WORD DosCreateFile(LPWORD Handle, + LPCSTR FilePath, + DWORD CreationDisposition, + WORD Attributes); +WORD DosOpenFile(LPWORD Handle, + LPCSTR FilePath, + BYTE AccessShareModes); +WORD DosReadFile(WORD FileHandle, + LPVOID Buffer, + WORD Count, + LPWORD BytesRead); +WORD DosWriteFile(WORD FileHandle, + LPVOID Buffer, + WORD Count, + LPWORD BytesWritten); +WORD DosSeekFile(WORD FileHandle, + LONG Offset, + BYTE Origin, + LPDWORD NewOffset); BOOL DosFlushFileBuffers(WORD FileHandle); VOID DosInitializePsp(WORD PspSegment, LPCSTR CommandLine, WORD ProgramSize, WORD Environment); Modified: trunk/reactos/subsystems/ntvdm/dos/dos32krnl/dosfiles.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/dos/dos32… ============================================================================== --- trunk/reactos/subsystems/ntvdm/dos/dos32krnl/dosfiles.c [iso-8859-1] (original) +++ trunk/reactos/subsystems/ntvdm/dos/dos32krnl/dosfiles.c [iso-8859-1] Thu Oct 2 00:26:13 2014 @@ -12,36 +12,254 @@ #define NDEBUG #include "emulator.h" -// #include "callback.h" #include "dos.h" #include "dos/dem.h" #include "bios/bios.h" -/* PRIVATE VARIABLES **********************************************************/ - /* PUBLIC FUNCTIONS ***********************************************************/ -WORD DosCreateFile(LPWORD Handle, LPCSTR FilePath, WORD CreationFlags, WORD Attributes) -{ +WORD DosCreateFileEx(LPWORD Handle, + LPWORD CreationStatus, + LPCSTR FilePath, + BYTE AccessShareModes, + WORD CreateActionFlags, + WORD Attributes) +{ + WORD LastError; HANDLE FileHandle; WORD DosHandle; - - DPRINT("DosCreateFile: FilePath \"%s\", CreationFlags 0x%04X, Attributes 0x%04X\n", - FilePath, - CreationFlags, - Attributes); + ACCESS_MASK AccessMode = 0; + DWORD ShareMode = 0; + DWORD CreationDisposition = 0; + BOOL InheritableFile = FALSE; + SECURITY_ATTRIBUTES SecurityAttributes; + + DPRINT1("DosCreateFileEx: FilePath \"%s\", AccessShareModes 0x%04X, CreateActionFlags 0x%04X, Attributes 0x%04X\n", + FilePath, AccessShareModes, CreateActionFlags, Attributes); + + // + // The article about OpenFile API: http://msdn.microsoft.com/en-us/library/windows/desktop/aa365430(v=vs.85).a… + // explains what are those AccessShareModes (see the uStyle flag). + // + + /* Parse the access mode */ + switch (AccessShareModes & 0x03) + { + /* Read-only */ + case 0: + AccessMode = GENERIC_READ; + break; + + /* Write only */ + case 1: + AccessMode = GENERIC_WRITE; + break; + + /* Read and write */ + case 2: + AccessMode = GENERIC_READ | GENERIC_WRITE; + break; + + /* Invalid */ + default: + return ERROR_INVALID_PARAMETER; + } + + /* Parse the share mode */ + switch ((AccessShareModes >> 4) & 0x07) + { + /* Compatibility mode */ + case 0: + ShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE; + break; + + /* No sharing "DenyAll" */ + case 1: + ShareMode = 0; + break; + + /* No write share "DenyWrite" */ + case 2: + ShareMode = FILE_SHARE_READ; + break; + + /* No read share "DenyRead" */ + case 3: + ShareMode = FILE_SHARE_WRITE; + break; + + /* Full share "DenyNone" */ + case 4: + ShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE; + break; + + /* Invalid */ + default: + return ERROR_INVALID_PARAMETER; + } + + /* + * Parse the creation action flags: + * + * Bitfields for action: + * Bit(s) Description + * + * 7-4 Action if file does not exist. + * 0000 Fail + * 0001 Create + * + * 3-0 Action if file exists. + * 0000 Fail + * 0001 Open + * 0010 Replace/open + */ + switch (CreateActionFlags) + { + /* If the file exists, fail, otherwise, fail also */ + case 0x00: + // A special case is used after the call to CreateFileA if it succeeds, + // in order to close the opened handle and return an adequate error. + CreationDisposition = OPEN_EXISTING; + break; + + /* If the file exists, open it, otherwise, fail */ + case 0x01: + CreationDisposition = OPEN_EXISTING; + break; + + /* If the file exists, replace it, otherwise, fail */ + case 0x02: + CreationDisposition = TRUNCATE_EXISTING; + break; + + /* If the file exists, fail, otherwise, create it */ + case 0x10: + CreationDisposition = CREATE_NEW; + break; + + /* If the file exists, open it, otherwise, create it */ + case 0x11: + CreationDisposition = OPEN_ALWAYS; + break; + + /* If the file exists, replace it, otherwise, create it */ + case 0x12: + CreationDisposition = CREATE_ALWAYS; + break; + + /* Invalid */ + default: + return ERROR_INVALID_PARAMETER; + } + + /* Check for inheritance */ + InheritableFile = ((AccessShareModes & 0x80) == 0); + + /* Assign default security attributes to the file, and set the inheritance flag */ + SecurityAttributes.nLength = sizeof(SecurityAttributes); + SecurityAttributes.lpSecurityDescriptor = NULL; + SecurityAttributes.bInheritHandle = InheritableFile; + + /* Open the file */ + FileHandle = CreateFileA(FilePath, + AccessMode, + ShareMode, + &SecurityAttributes, + CreationDisposition, + Attributes, + NULL); + + LastError = (WORD)GetLastError(); + + if (FileHandle == INVALID_HANDLE_VALUE) + { + /* Return the error code */ + return LastError; + } + + /* + * Special case: CreateActionFlags == 0, we must fail because + * the file exists (if it didn't exist we already failed). + */ + if (CreateActionFlags == 0) + { + /* Close the file and return the error code */ + CloseHandle(FileHandle); + return ERROR_FILE_EXISTS; + } + + /* Set the creation status */ + switch (CreateActionFlags) + { + case 0x01: + *CreationStatus = 0x01; // The file was opened + break; + + case 0x02: + *CreationStatus = 0x03; // The file was replaced + break; + + case 0x10: + *CreationStatus = 0x02; // The file was created + break; + + case 0x11: + { + if (LastError == ERROR_ALREADY_EXISTS) + *CreationStatus = 0x01; // The file was opened + else + *CreationStatus = 0x02; // The file was created + + break; + } + + case 0x12: + { + if (LastError == ERROR_ALREADY_EXISTS) + *CreationStatus = 0x03; // The file was replaced + else + *CreationStatus = 0x02; // The file was created + + break; + } + } + + /* Open the DOS handle */ + DosHandle = DosOpenHandle(FileHandle); + + if (DosHandle == INVALID_DOS_HANDLE) + { + /* Close the file and return the error code */ + CloseHandle(FileHandle); + return ERROR_TOO_MANY_OPEN_FILES; + } + + /* It was successful */ + *Handle = DosHandle; + return ERROR_SUCCESS; +} + +WORD DosCreateFile(LPWORD Handle, + LPCSTR FilePath, + DWORD CreationDisposition, + WORD Attributes) +{ + HANDLE FileHandle; + WORD DosHandle; + + DPRINT("DosCreateFile: FilePath \"%s\", CreationDisposition 0x%04X, Attributes 0x%04X\n", + FilePath, CreationDisposition, Attributes); /* Create the file */ FileHandle = CreateFileA(FilePath, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL, - CreationFlags, + CreationDisposition, Attributes, NULL); - if (FileHandle == INVALID_HANDLE_VALUE) { /* Return the error code */ @@ -53,10 +271,8 @@ if (DosHandle == INVALID_DOS_HANDLE) { - /* Close the handle */ + /* Close the file and return the error code */ CloseHandle(FileHandle); - - /* Return the error code */ return ERROR_TOO_MANY_OPEN_FILES; } @@ -65,7 +281,9 @@ return ERROR_SUCCESS; } -WORD DosOpenFile(LPWORD Handle, LPCSTR FilePath, BYTE AccessShareModes) +WORD DosOpenFile(LPWORD Handle, + LPCSTR FilePath, + BYTE AccessShareModes) { HANDLE FileHandle; ACCESS_MASK AccessMode = 0; @@ -75,83 +293,67 @@ WORD DosHandle; DPRINT("DosOpenFile: FilePath \"%s\", AccessShareModes 0x%04X\n", - FilePath, - AccessShareModes); + FilePath, AccessShareModes); + + // + // The article about OpenFile API: http://msdn.microsoft.com/en-us/library/windows/desktop/aa365430(v=vs.85).a… + // explains what are those AccessShareModes (see the uStyle flag). + // /* Parse the access mode */ switch (AccessShareModes & 0x03) { + /* Read-only */ case 0: - { - /* Read-only */ AccessMode = GENERIC_READ; break; - } - + + /* Write only */ case 1: - { - /* Write only */ AccessMode = GENERIC_WRITE; break; - } - + + /* Read and write */ case 2: - { - /* Read and write */ AccessMode = GENERIC_READ | GENERIC_WRITE; break; - } - + + /* Invalid */ default: - { - /* Invalid */ return ERROR_INVALID_PARAMETER; - } } /* Parse the share mode */ switch ((AccessShareModes >> 4) & 0x07) { + /* Compatibility mode */ case 0: - { - /* Compatibility mode */ ShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE; break; - } - + + /* No sharing "DenyAll" */ case 1: - { - /* No sharing "DenyAll" */ ShareMode = 0; break; - } - + + /* No write share "DenyWrite" */ case 2: - { - /* No write share "DenyWrite" */ ShareMode = FILE_SHARE_READ; break; - } - + + /* No read share "DenyRead" */ case 3: - { - /* No read share "DenyRead" */ ShareMode = FILE_SHARE_WRITE; break; - } - + + /* Full share "DenyNone" */ case 4: - { - /* Full share "DenyNone" */ ShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE; break; - } - + + /* Invalid */ default: - { - /* Invalid */ return ERROR_INVALID_PARAMETER; - } } /* Check for inheritance */ @@ -170,7 +372,6 @@ OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); - if (FileHandle == INVALID_HANDLE_VALUE) { /* Return the error code */ @@ -182,10 +383,8 @@ if (DosHandle == INVALID_DOS_HANDLE) { - /* Close the handle */ + /* Close the file and return the error code */ CloseHandle(FileHandle); - - /* Return the error code */ return ERROR_TOO_MANY_OPEN_FILES; } @@ -194,7 +393,10 @@ return ERROR_SUCCESS; } -WORD DosReadFile(WORD FileHandle, LPVOID Buffer, WORD Count, LPWORD BytesRead) +WORD DosReadFile(WORD FileHandle, + LPVOID Buffer, + WORD Count, + LPWORD BytesRead) { WORD Result = ERROR_SUCCESS; DWORD BytesRead32 = 0; @@ -259,7 +461,10 @@ return Result; } -WORD DosWriteFile(WORD FileHandle, LPVOID Buffer, WORD Count, LPWORD BytesWritten) +WORD DosWriteFile(WORD FileHandle, + LPVOID Buffer, + WORD Count, + LPWORD BytesWritten) { WORD Result = ERROR_SUCCESS; DWORD BytesWritten32 = 0; @@ -317,7 +522,10 @@ return Result; } -WORD DosSeekFile(WORD FileHandle, LONG Offset, BYTE Origin, LPDWORD NewOffset) +WORD DosSeekFile(WORD FileHandle, + LONG Offset, + BYTE Origin, + LPDWORD NewOffset) { WORD Result = ERROR_SUCCESS; DWORD FilePointer;

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[hbelusca] 64446: [NTVDM]: Silence interrupt calls dprints.
by hbelusca＠svn.reactos.org 02 Oct '14

02 Oct '14

Author: hbelusca Date: Thu Oct 2 00:03:55 2014 New Revision: 64446 URL: http://svn.reactos.org/svn/reactos?rev=64446&view=rev Log: [NTVDM]: Silence interrupt calls dprints. Modified: trunk/reactos/subsystems/ntvdm/cpu/bop.c trunk/reactos/subsystems/ntvdm/int32.c Modified: trunk/reactos/subsystems/ntvdm/cpu/bop.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/cpu/bop.c… ============================================================================== --- trunk/reactos/subsystems/ntvdm/cpu/bop.c [iso-8859-1] (original) +++ trunk/reactos/subsystems/ntvdm/cpu/bop.c [iso-8859-1] Thu Oct 2 00:03:55 2014 @@ -9,7 +9,7 @@ /* INCLUDES *******************************************************************/ -// #define NDEBUG +#define NDEBUG #include "emulator.h" #include "bop.h" @@ -44,7 +44,7 @@ if (BopProc[BopCode] != NULL) BopProc[BopCode](Stack); else - DPRINT("Invalid BOP code: 0x%02X\n", BopCode); + DPRINT1("Invalid BOP code: 0x%02X\n", BopCode); } /* EOF */ Modified: trunk/reactos/subsystems/ntvdm/int32.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/int32.c?r… ============================================================================== --- trunk/reactos/subsystems/ntvdm/int32.c [iso-8859-1] (original) +++ trunk/reactos/subsystems/ntvdm/int32.c [iso-8859-1] Thu Oct 2 00:03:55 2014 @@ -9,7 +9,7 @@ /* INCLUDES *******************************************************************/ -// #define NDEBUG +#define NDEBUG #include "emulator.h" #include "int32.h"

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[jgardou] 64445: [ADVAPI32] - Fix a stupid crash I introduced in RegQueryValueExA - Reimplement RegEnumKeyExA as wrapper around RegEnumKeyExW - Implement RegEnumKeyExW for HKCR subkeys - Fix a few ...
by jgardou＠svn.reactos.org 01 Oct '14

01 Oct '14

Author: jgardou Date: Wed Oct 1 22:51:44 2014 New Revision: 64445 URL: http://svn.reactos.org/svn/reactos?rev=64445&view=rev Log: [ADVAPI32] - Fix a stupid crash I introduced in RegQueryValueExA - Reimplement RegEnumKeyExA as wrapper around RegEnumKeyExW - Implement RegEnumKeyExW for HKCR subkeys - Fix a few potential handle leaks CORE-8582 Modified: trunk/reactos/dll/win32/advapi32/reg/hkcr.c trunk/reactos/dll/win32/advapi32/reg/reg.c trunk/reactos/dll/win32/advapi32/reg/reg.h Modified: trunk/reactos/dll/win32/advapi32/reg/hkcr.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/advapi32/reg/hkc… ============================================================================== --- trunk/reactos/dll/win32/advapi32/reg/hkcr.c [iso-8859-1] (original) +++ trunk/reactos/dll/win32/advapi32/reg/hkcr.c [iso-8859-1] Wed Oct 1 22:51:44 2014 @@ -263,7 +263,7 @@ } /* See if the subkey already exists in HKCU. */ - ErrorCode = RegOpenKeyExW(QueriedKey, lpSubKey, 0, KEY_READ, &TestKey); + ErrorCode = RegOpenKeyExW(QueriedKey, lpSubKey, 0, 0, &TestKey); if (ErrorCode != ERROR_FILE_NOT_FOUND) { if (ErrorCode == ERROR_SUCCESS) @@ -585,3 +585,217 @@ return ErrorCode; } + +/* HKCR version of RegEnumKeyExW */ +LONG +WINAPI +EnumHKCRKey( + _In_ HKEY hKey, + _In_ DWORD dwIndex, + _Out_ LPWSTR lpName, + _Inout_ LPDWORD lpcbName, + _Reserved_ LPDWORD lpReserved, + _Out_opt_ LPWSTR lpClass, + _Inout_opt_ LPDWORD lpcbClass, + _Out_opt_ PFILETIME lpftLastWriteTime) +{ + HKEY PreferredKey, FallbackKey; + DWORD NumPreferredSubKeys; + DWORD MaxFallbackSubKeyLen; + DWORD FallbackIndex; + WCHAR* FallbackSubKeyName = NULL; + LONG ErrorCode; + + ASSERT(IsHKCRKey(hKey)); + + /* Remove the HKCR flag while we're working */ + hKey = (HKEY)(((ULONG_PTR)hKey) & ~0x2); + + /* Get the preferred key */ + ErrorCode = GetPreferredHKCRKey(hKey, &PreferredKey); + if (ErrorCode != ERROR_SUCCESS) + { + if (ErrorCode == ERROR_FILE_NOT_FOUND) + { + /* Only the HKLM key exists */ + return RegEnumKeyExW( + hKey, + dwIndex, + lpName, + lpcbName, + lpReserved, + lpClass, + lpcbClass, + lpftLastWriteTime); + } + return ErrorCode; + } + + /* Get the fallback key */ + ErrorCode = GetFallbackHKCRKey(hKey, &FallbackKey, FALSE); + if (ErrorCode != ERROR_SUCCESS) + { + if (PreferredKey != hKey) + RegCloseKey(PreferredKey); + if (ErrorCode == ERROR_FILE_NOT_FOUND) + { + /* Only the HKCU key exists */ + return RegEnumKeyExW( + hKey, + dwIndex, + lpName, + lpcbName, + lpReserved, + lpClass, + lpcbClass, + lpftLastWriteTime); + } + return ErrorCode; + } + + /* Get some info on the HKCU side */ + ErrorCode = RegQueryInfoKeyW( + PreferredKey, + NULL, + NULL, + NULL, + &NumPreferredSubKeys, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL); + if (ErrorCode != ERROR_SUCCESS) + goto Exit; + + if (dwIndex < NumPreferredSubKeys) + { + /* HKCU side takes precedence */ + ErrorCode = RegEnumKeyExW( + PreferredKey, + dwIndex, + lpName, + lpcbName, + lpReserved, + lpClass, + lpcbClass, + lpftLastWriteTime); + goto Exit; + } + + /* Here it gets tricky. We must enumerate the values from the HKLM side, + * without reporting those which are present on the HKCU side */ + + /* Squash out the indices from HKCU */ + dwIndex -= NumPreferredSubKeys; + + /* Get some info */ + ErrorCode = RegQueryInfoKeyW( + FallbackKey, + NULL, + NULL, + NULL, + NULL, + &MaxFallbackSubKeyLen, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL); + if (ErrorCode != ERROR_SUCCESS) + { + ERR("Could not query info of key %p (Err: %d)\n", FallbackKey, ErrorCode); + goto Exit; + } + + ERR("Maxfallbacksubkeylen: %d\n", MaxFallbackSubKeyLen); + + /* Allocate our buffer */ + FallbackSubKeyName = RtlAllocateHeap( + RtlGetProcessHeap(), 0, (MaxFallbackSubKeyLen + 1) * sizeof(WCHAR)); + if (!FallbackSubKeyName) + { + ErrorCode = ERROR_NOT_ENOUGH_MEMORY; + goto Exit; + } + + /* We must begin at the very first subkey of the fallback key, + * and then see if we meet keys that already are in the preferred key. + * In that case, we must bump dwIndex, as otherwise we would enumerate a key we already + * saw in a previous call. + */ + FallbackIndex = 0; + while (TRUE) + { + HKEY PreferredSubKey; + DWORD FallbackSubkeyLen = MaxFallbackSubKeyLen; + + /* Try enumerating */ + ErrorCode = RegEnumKeyExW( + FallbackKey, + FallbackIndex, + FallbackSubKeyName, + &FallbackSubkeyLen, + NULL, + NULL, + NULL, + NULL); + if (ErrorCode != ERROR_SUCCESS) + { + /* Most likely ERROR_NO_MORE_ITEMS */ + ERR("Returning %d.\n", ErrorCode); + goto Exit; + } + FallbackSubKeyName[FallbackSubkeyLen] = L'\0'; + + /* See if there is such a value on HKCU side */ + ErrorCode = RegOpenKeyExW( + PreferredKey, + FallbackSubKeyName, + 0, + 0, + &PreferredSubKey); + + if (ErrorCode == ERROR_SUCCESS) + { + RegCloseKey(PreferredSubKey); + /* So we already enumerated it on HKCU side. */ + dwIndex++; + } + else if (ErrorCode != ERROR_FILE_NOT_FOUND) + { + ERR("Got error %d while querying for %s on HKCU side.\n", ErrorCode, FallbackSubKeyName); + goto Exit; + } + + /* See if we caught up */ + if (FallbackIndex == dwIndex) + break; + + FallbackIndex++; + } + + /* We can finally enumerate on the fallback side */ + ErrorCode = RegEnumKeyExW( + FallbackKey, + dwIndex, + lpName, + lpcbName, + lpReserved, + lpClass, + lpcbClass, + lpftLastWriteTime); + +Exit: + if (PreferredKey != hKey) + RegCloseKey(PreferredKey); + if (FallbackKey != hKey) + RegCloseKey(FallbackKey); + if (FallbackSubKeyName) + RtlFreeHeap(RtlGetProcessHeap(), 0, FallbackSubKeyName); + + return ErrorCode; +} Modified: trunk/reactos/dll/win32/advapi32/reg/reg.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/advapi32/reg/reg… ============================================================================== --- trunk/reactos/dll/win32/advapi32/reg/reg.c [iso-8859-1] (original) +++ trunk/reactos/dll/win32/advapi32/reg/reg.c [iso-8859-1] Wed Oct 1 22:51:44 2014 @@ -1306,7 +1306,11 @@ } if (IsHKCRKey(ParentKey)) - return DeleteHKCRKey(ParentKey, lpSubKey, samDesired, Reserved); + { + LONG ErrorCode = DeleteHKCRKey(ParentKey, lpSubKey, samDesired, Reserved); + ClosePredefKey(ParentKey); + return ErrorCode; + } if (samDesired & KEY_WOW64_32KEY) ERR("Wow64 not yet supported!\n"); @@ -2442,166 +2446,81 @@ * * @implemented */ -LONG WINAPI -RegEnumKeyExA(HKEY hKey, - DWORD dwIndex, - LPSTR lpName, - LPDWORD lpcbName, - LPDWORD lpReserved, - LPSTR lpClass, - LPDWORD lpcbClass, - PFILETIME lpftLastWriteTime) -{ - union - { - KEY_NODE_INFORMATION Node; - KEY_BASIC_INFORMATION Basic; - } *KeyInfo; - - UNICODE_STRING StringU; - ANSI_STRING StringA; - LONG ErrorCode = ERROR_SUCCESS; - DWORD NameLength; - DWORD ClassLength = 0; - DWORD BufferSize; - ULONG ResultSize; - HANDLE KeyHandle; - NTSTATUS Status; - - TRACE("RegEnumKeyExA(hKey 0x%x, dwIndex %d, lpName 0x%x, *lpcbName %d, lpClass 0x%x, lpcbClass %d)\n", - hKey, dwIndex, lpName, *lpcbName, lpClass, lpcbClass ? *lpcbClass : 0); - - if ((lpClass) && (!lpcbClass)) - { - return ERROR_INVALID_PARAMETER; - } - - Status = MapDefaultKey(&KeyHandle, hKey); - if (!NT_SUCCESS(Status)) - { - return RtlNtStatusToDosError(Status); - } - +LONG +WINAPI +RegEnumKeyExA( + _In_ HKEY hKey, + _In_ DWORD dwIndex, + _Out_ LPSTR lpName, + _Inout_ LPDWORD lpcbName, + _Reserved_ LPDWORD lpReserved, + _Out_opt_ LPSTR lpClass, + _Inout_opt_ LPDWORD lpcbClass, + _Out_opt_ PFILETIME lpftLastWriteTime) +{ + WCHAR* NameBuffer = NULL; + WCHAR* ClassBuffer = NULL; + DWORD NameLength, ClassLength; + LONG ErrorCode; + + /* Allocate our buffers */ if (*lpcbName > 0) { - NameLength = min (*lpcbName - 1 , REG_MAX_NAME_SIZE) * sizeof (WCHAR); - } - else - { - NameLength = 0; + NameLength = *lpcbName; + NameBuffer = RtlAllocateHeap(RtlGetProcessHeap(), 0, *lpcbName * sizeof(WCHAR)); + if (NameBuffer == NULL) + { + ErrorCode = ERROR_NOT_ENOUGH_MEMORY; + goto Exit; + } } if (lpClass) { if (*lpcbClass > 0) { - ClassLength = min (*lpcbClass -1, REG_MAX_NAME_SIZE) * sizeof(WCHAR); - } - else - { - ClassLength = 0; - } - - /* The class name should start at a dword boundary */ - BufferSize = ((sizeof(KEY_NODE_INFORMATION) + NameLength + 3) & ~3) + ClassLength; - } - else - { - BufferSize = sizeof(KEY_BASIC_INFORMATION) + NameLength; - } - - KeyInfo = RtlAllocateHeap (ProcessHeap, 0, BufferSize); - if (KeyInfo == NULL) - { - ErrorCode = ERROR_OUTOFMEMORY; - goto Cleanup; - } - - Status = NtEnumerateKey(KeyHandle, - (ULONG)dwIndex, - lpClass == NULL ? KeyBasicInformation : KeyNodeInformation, - KeyInfo, - BufferSize, - &ResultSize); - TRACE("NtEnumerateKey() returned status 0x%X\n", Status); - if (!NT_SUCCESS(Status)) - { - ErrorCode = RtlNtStatusToDosError (Status); - } - else - { - if (lpClass == NULL) - { - if (KeyInfo->Basic.NameLength > NameLength) + ClassLength = *lpcbClass; + ClassBuffer = RtlAllocateHeap(RtlGetProcessHeap(), 0, *lpcbClass * sizeof(WCHAR)); + if (ClassBuffer == NULL) { - ErrorCode = ERROR_BUFFER_OVERFLOW; + ErrorCode = ERROR_NOT_ENOUGH_MEMORY; + goto Exit; } - else - { - StringU.Buffer = KeyInfo->Basic.Name; - StringU.Length = KeyInfo->Basic.NameLength; - StringU.MaximumLength = KeyInfo->Basic.NameLength; - } - } - else - { - if (KeyInfo->Node.NameLength > NameLength || - KeyInfo->Node.ClassLength > ClassLength) - { - ErrorCode = ERROR_BUFFER_OVERFLOW; - } - else - { - StringA.Buffer = lpClass; - StringA.Length = 0; - StringA.MaximumLength = *lpcbClass; - StringU.Buffer = (PWCHAR)((ULONG_PTR)KeyInfo->Node.Name + KeyInfo->Node.ClassOffset); - StringU.Length = KeyInfo->Node.ClassLength; - StringU.MaximumLength = KeyInfo->Node.ClassLength; - RtlUnicodeStringToAnsiString (&StringA, &StringU, FALSE); - lpClass[StringA.Length] = 0; - *lpcbClass = StringA.Length; - StringU.Buffer = KeyInfo->Node.Name; - StringU.Length = KeyInfo->Node.NameLength; - StringU.MaximumLength = KeyInfo->Node.NameLength; - } - } - - if (ErrorCode == ERROR_SUCCESS) - { - StringA.Buffer = lpName; - StringA.Length = 0; - StringA.MaximumLength = *lpcbName; - RtlUnicodeStringToAnsiString (&StringA, &StringU, FALSE); - lpName[StringA.Length] = 0; - *lpcbName = StringA.Length; - if (lpftLastWriteTime != NULL) - { - if (lpClass == NULL) - { - lpftLastWriteTime->dwLowDateTime = KeyInfo->Basic.LastWriteTime.u.LowPart; - lpftLastWriteTime->dwHighDateTime = KeyInfo->Basic.LastWriteTime.u.HighPart; - } - else - { - lpftLastWriteTime->dwLowDateTime = KeyInfo->Node.LastWriteTime.u.LowPart; - lpftLastWriteTime->dwHighDateTime = KeyInfo->Node.LastWriteTime.u.HighPart; - } - } - } - } - - /*TRACE("Key Namea0 Length %d\n", StringU.Length);*/ /* BUGBUG could be uninitialized */ - TRACE("Key Name1 Length %d\n", NameLength); - TRACE("Key Name Length %d\n", *lpcbName); - TRACE("Key Name %s\n", lpName); - - RtlFreeHeap(ProcessHeap, - 0, - KeyInfo); - -Cleanup: - ClosePredefKey(KeyHandle); + } + } + + /* Do the actual call */ + ErrorCode = RegEnumKeyExW( + hKey, + dwIndex, + NameBuffer, + lpcbName, + lpReserved, + ClassBuffer, + lpcbClass, + lpftLastWriteTime); + + if (ErrorCode != ERROR_SUCCESS) + goto Exit; + + /* Convert the strings */ + RtlUnicodeToMultiByteN(lpName, *lpcbName, 0, NameBuffer, *lpcbName * sizeof(WCHAR)); + /* NULL terminate if we can */ + if (NameLength > *lpcbName) + lpName[*lpcbName] = '\0'; + + if (lpClass) + { + RtlUnicodeToMultiByteN(lpClass, *lpcbClass, 0, NameBuffer, *lpcbClass * sizeof(WCHAR)); + if (ClassLength > *lpcbClass) + lpClass[*lpcbClass] = '\0'; + } + +Exit: + if (NameBuffer) + RtlFreeHeap(RtlGetProcessHeap(), 0, NameBuffer); + if (ClassBuffer) + RtlFreeHeap(RtlGetProcessHeap(), 0, ClassBuffer); return ErrorCode; } @@ -2612,15 +2531,17 @@ * * @implemented */ -LONG WINAPI -RegEnumKeyExW(HKEY hKey, - DWORD dwIndex, - LPWSTR lpName, - LPDWORD lpcbName, - LPDWORD lpReserved, - LPWSTR lpClass, - LPDWORD lpcbClass, - PFILETIME lpftLastWriteTime) +LONG +WINAPI +RegEnumKeyExW( + _In_ HKEY hKey, + _In_ DWORD dwIndex, + _Out_ LPWSTR lpName, + _Inout_ LPDWORD lpcbName, + _Reserved_ LPDWORD lpReserved, + _Out_opt_ LPWSTR lpClass, + _Inout_opt_ LPDWORD lpcbClass, + _Out_opt_ PFILETIME lpftLastWriteTime) { union { @@ -2641,6 +2562,21 @@ if (!NT_SUCCESS(Status)) { return RtlNtStatusToDosError(Status); + } + + if (IsHKCRKey(KeyHandle)) + { + ErrorCode = EnumHKCRKey( + KeyHandle, + dwIndex, + lpName, + lpcbName, + lpReserved, + lpClass, + lpcbClass, + lpftLastWriteTime); + ClosePredefKey(KeyHandle); + return ErrorCode; } if (*lpcbName > 0) @@ -3419,7 +3355,11 @@ } if (IsHKCRKey(KeyHandle)) - return OpenHKCRKey(KeyHandle, lpSubKey, ulOptions, samDesired, phkResult); + { + ErrorCode = OpenHKCRKey(KeyHandle, lpSubKey, ulOptions, samDesired, phkResult); + ClosePredefKey(KeyHandle); + return ErrorCode; + } if (ulOptions & REG_OPTION_OPEN_LINK) Attributes |= OBJ_OPENLINK; @@ -4035,7 +3975,7 @@ ErrorCode = RegQueryValueExW(hkeyorg, nameW.Buffer, NULL, &LocalType, NULL, &BufferSize); if (ErrorCode != ERROR_SUCCESS) { - if (!data) + if ((!data) && count) *count = 0; RtlFreeUnicodeString(&nameW); return ErrorCode; Modified: trunk/reactos/dll/win32/advapi32/reg/reg.h URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/advapi32/reg/reg… ============================================================================== --- trunk/reactos/dll/win32/advapi32/reg/reg.h [iso-8859-1] (original) +++ trunk/reactos/dll/win32/advapi32/reg/reg.h [iso-8859-1] Wed Oct 1 22:51:44 2014 @@ -72,3 +72,15 @@ _In_ CONST BYTE* Data, _In_ DWORD DataSize); +LONG +WINAPI +EnumHKCRKey( + _In_ HKEY hKey, + _In_ DWORD dwIndex, + _Out_ LPWSTR lpName, + _Inout_ LPDWORD lpcbName, + _Reserved_ LPDWORD lpReserved, + _Out_opt_ LPWSTR lpClass, + _Inout_opt_ LPDWORD lpcbClass, + _Out_opt_ PFILETIME lpftLastWriteTime); +

1 0

[jgardou] 64444: [ADVAPI32] - Add implementation of RegCreateKeyEx and RegSetValueEx for HKCR subkeys CORE-8582
by jgardou＠svn.reactos.org 01 Oct '14

01 Oct '14

Author: jgardou Date: Wed Oct 1 17:48:32 2014 New Revision: 64444 URL: http://svn.reactos.org/svn/reactos?rev=64444&view=rev Log: [ADVAPI32] - Add implementation of RegCreateKeyEx and RegSetValueEx for HKCR subkeys CORE-8582 Modified: trunk/reactos/dll/win32/advapi32/reg/hkcr.c trunk/reactos/dll/win32/advapi32/reg/reg.c trunk/reactos/dll/win32/advapi32/reg/reg.h Modified: trunk/reactos/dll/win32/advapi32/reg/hkcr.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/advapi32/reg/hkc… ============================================================================== --- trunk/reactos/dll/win32/advapi32/reg/hkcr.c [iso-8859-1] (original) +++ trunk/reactos/dll/win32/advapi32/reg/hkcr.c [iso-8859-1] Wed Oct 1 17:48:32 2014 @@ -96,7 +96,8 @@ LONG GetFallbackHKCRKey( _In_ HKEY hKey, - _Out_ HKEY* MachineKey) + _Out_ HKEY* MachineKey, + _In_ BOOL MustCreate) { UNICODE_STRING KeyName; LPWSTR SubKeyName; @@ -135,13 +136,29 @@ return ErrorCode; } - /* Open the key. */ - ErrorCode = RegOpenKeyExW( - HKEY_LOCAL_MACHINE, - SubKeyName, - 0, - SamDesired, - MachineKey); + if (MustCreate) + { + ErrorCode = RegCreateKeyExW( + HKEY_LOCAL_MACHINE, + SubKeyName, + 0, + NULL, + 0, + SamDesired, + NULL, + MachineKey, + NULL); + } + else + { + /* Open the key. */ + ErrorCode = RegOpenKeyExW( + HKEY_LOCAL_MACHINE, + SubKeyName, + 0, + SamDesired, + MachineKey); + } RtlFreeUnicodeString(&KeyName); @@ -197,6 +214,110 @@ return ErrorCode; } +/* HKCR version of RegCreateKeyExW. */ +LONG +WINAPI +CreateHKCRKey( + _In_ HKEY hKey, + _In_ LPCWSTR lpSubKey, + _In_ DWORD Reserved, + _In_opt_ LPWSTR lpClass, + _In_ DWORD dwOptions, + _In_ REGSAM samDesired, + _In_opt_ LPSECURITY_ATTRIBUTES lpSecurityAttributes, + _Out_ PHKEY phkResult, + _Out_opt_ LPDWORD lpdwDisposition) +{ + LONG ErrorCode; + HKEY QueriedKey, TestKey; + + ASSERT(IsHKCRKey(hKey)); + + /* Remove the HKCR flag while we're working */ + hKey = (HKEY)(((ULONG_PTR)hKey) & ~0x2); + + ErrorCode = GetPreferredHKCRKey(hKey, &QueriedKey); + + if (ErrorCode == ERROR_FILE_NOT_FOUND) + { + /* The current key doesn't exist on HKCU side, so we can only create it in HKLM */ + ErrorCode = RegCreateKeyExW( + hKey, + lpSubKey, + Reserved, + lpClass, + dwOptions, + samDesired, + lpSecurityAttributes, + phkResult, + lpdwDisposition); + if (ErrorCode == ERROR_SUCCESS) + MakeHKCRKey(phkResult); + return ErrorCode; + } + + if (ErrorCode != ERROR_SUCCESS) + { + /* Somehow we failed for another reason (maybe deleted key or whatever) */ + return ErrorCode; + } + + /* See if the subkey already exists in HKCU. */ + ErrorCode = RegOpenKeyExW(QueriedKey, lpSubKey, 0, KEY_READ, &TestKey); + if (ErrorCode != ERROR_FILE_NOT_FOUND) + { + if (ErrorCode == ERROR_SUCCESS) + { + /* Great. Close the test one and do the real create operation */ + RegCloseKey(TestKey); + ErrorCode = RegCreateKeyExW( + QueriedKey, + lpSubKey, + Reserved, + lpClass, + dwOptions, + samDesired, + lpSecurityAttributes, + phkResult, + lpdwDisposition); + if (ErrorCode == ERROR_SUCCESS) + MakeHKCRKey(phkResult); + } + if (QueriedKey != hKey) + RegCloseKey(QueriedKey); + + return ERROR_SUCCESS; + } + + if (QueriedKey != hKey) + RegCloseKey(QueriedKey); + + /* So we must do the create operation in HKLM, creating the missing parent keys if needed. */ + ErrorCode = GetFallbackHKCRKey(hKey, &QueriedKey, TRUE); + if (ErrorCode != ERROR_SUCCESS) + return ErrorCode; + + /* Do the key creation */ + ErrorCode = RegCreateKeyEx( + QueriedKey, + lpSubKey, + Reserved, + lpClass, + dwOptions, + samDesired, + lpSecurityAttributes, + phkResult, + lpdwDisposition); + + if (QueriedKey != hKey) + RegCloseKey(QueriedKey); + + if (ErrorCode == ERROR_SUCCESS) + MakeHKCRKey(phkResult); + + return ErrorCode; +} + /* Same as RegOpenKeyExW, but for HKEY_CLASSES_ROOT subkeys */ LONG WINAPI @@ -248,7 +369,7 @@ return ErrorCode; /* If we're here, we must open from HKLM key. */ - ErrorCode = GetFallbackHKCRKey(hKey, &QueriedKey); + ErrorCode = GetFallbackHKCRKey(hKey, &QueriedKey, FALSE); if (ErrorCode != ERROR_SUCCESS) { /* Maybe the key doesn't exist in the HKLM view */ @@ -313,7 +434,7 @@ return ErrorCode; /* If we're here, we must open from HKLM key. */ - ErrorCode = GetFallbackHKCRKey(hKey, &QueriedKey); + ErrorCode = GetFallbackHKCRKey(hKey, &QueriedKey, FALSE); if (ErrorCode != ERROR_SUCCESS) { /* Maybe the key doesn't exist in the HKLM view */ @@ -378,7 +499,7 @@ return ErrorCode; /* If we're here, we must open from HKLM key. */ - ErrorCode = GetFallbackHKCRKey(hKey, &QueriedKey); + ErrorCode = GetFallbackHKCRKey(hKey, &QueriedKey, FALSE); if (ErrorCode != ERROR_SUCCESS) { /* Maybe the key doesn't exist in the HKLM view */ @@ -395,3 +516,72 @@ return ErrorCode; } + +/* HKCR version of RegSetValueExW */ +LONG +WINAPI +SetHKCRValue( + _In_ HKEY hKey, + _In_ LPCWSTR Name, + _In_ DWORD Reserved, + _In_ DWORD Type, + _In_ CONST BYTE* Data, + _In_ DWORD DataSize) +{ + HKEY QueriedKey; + LONG ErrorCode; + + ASSERT(IsHKCRKey(hKey)); + + /* Remove the HKCR flag while we're working */ + hKey = (HKEY)(((ULONG_PTR)hKey) & ~0x2); + + ErrorCode = GetPreferredHKCRKey(hKey, &QueriedKey); + + if (ErrorCode == ERROR_FILE_NOT_FOUND) + { + /* The key doesn't exist on HKCU side, no chance to put a value in it */ + return RegSetValueExW(hKey, Name, Reserved, Type, Data, DataSize); + } + + if (ErrorCode != ERROR_SUCCESS) + { + /* Somehow we failed for another reason (maybe deleted key or whatever) */ + return ErrorCode; + } + + /* Check if the value already exists in the preferred key */ + ErrorCode = RegQueryValueExW(QueriedKey, Name, NULL, NULL, NULL, NULL); + if (ErrorCode != ERROR_FILE_NOT_FOUND) + { + if (ErrorCode == ERROR_SUCCESS) + { + /* Yes, so we have the right to modify it */ + ErrorCode = RegSetValueExW(QueriedKey, Name, Reserved, Type, Data, DataSize); + } + if (QueriedKey != hKey) + RegCloseKey(QueriedKey); + return ErrorCode; + } + if (QueriedKey != hKey) + RegCloseKey(QueriedKey); + + /* So we must set the value in the HKLM version */ + ErrorCode = GetPreferredHKCRKey(hKey, &QueriedKey); + if (ErrorCode == ERROR_FILE_NOT_FOUND) + { + /* No choice: put this in HKCU */ + return RegSetValueExW(hKey, Name, Reserved, Type, Data, DataSize); + } + else if (ErrorCode != ERROR_SUCCESS) + { + return ErrorCode; + } + + ErrorCode = RegSetValueExW(QueriedKey, Name, Reserved, Type, Data, DataSize); + + if (QueriedKey != hKey) + RegCloseKey(QueriedKey); + + return ErrorCode; +} Modified: trunk/reactos/dll/win32/advapi32/reg/reg.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/advapi32/reg/reg… ============================================================================== --- trunk/reactos/dll/win32/advapi32/reg/reg.c [iso-8859-1] (original) +++ trunk/reactos/dll/win32/advapi32/reg/reg.c [iso-8859-1] Wed Oct 1 17:48:32 2014 @@ -1084,16 +1084,18 @@ * * @implemented */ -LONG WINAPI -RegCreateKeyExW(HKEY hKey, - LPCWSTR lpSubKey, - DWORD Reserved, - LPWSTR lpClass, - DWORD dwOptions, - REGSAM samDesired, - LPSECURITY_ATTRIBUTES lpSecurityAttributes, - PHKEY phkResult, - LPDWORD lpdwDisposition) +LONG +WINAPI +RegCreateKeyExW( + _In_ HKEY hKey, + _In_ LPCWSTR lpSubKey, + _In_ DWORD Reserved, + _In_opt_ LPWSTR lpClass, + _In_ DWORD dwOptions, + _In_ REGSAM samDesired, + _In_opt_ LPSECURITY_ATTRIBUTES lpSecurityAttributes, + _Out_ PHKEY phkResult, + _Out_opt_ LPDWORD lpdwDisposition) { UNICODE_STRING SubKeyString; UNICODE_STRING ClassString; @@ -1116,6 +1118,22 @@ } TRACE("ParentKey %p\n", ParentKey); + + if (IsHKCRKey(ParentKey)) + { + LONG ErrorCode = CreateHKCRKey( + ParentKey, + lpSubKey, + Reserved, + lpClass, + dwOptions, + samDesired, + lpSecurityAttributes, + phkResult, + lpdwDisposition); + ClosePredefKey(ParentKey); + return ErrorCode; + } if (dwOptions & REG_OPTION_OPEN_LINK) Attributes |= OBJ_OPENLINK; @@ -1143,9 +1161,6 @@ { return RtlNtStatusToDosError(Status); } - - if (IsHKCRKey(ParentKey)) - MakeHKCRKey(phkResult); return ERROR_SUCCESS; } @@ -4851,17 +4866,33 @@ * * @implemented */ -LONG WINAPI -RegSetValueExW(HKEY hKey, - LPCWSTR lpValueName, - DWORD Reserved, - DWORD dwType, - CONST BYTE* lpData, - DWORD cbData) +LONG +WINAPI +RegSetValueExW( + _In_ HKEY hKey, + _In_ LPCWSTR lpValueName, + _In_ DWORD Reserved, + _In_ DWORD dwType, + _In_ CONST BYTE* lpData, + _In_ DWORD cbData) { UNICODE_STRING ValueName; HANDLE KeyHandle; NTSTATUS Status; + + Status = MapDefaultKey(&KeyHandle, + hKey); + if (!NT_SUCCESS(Status)) + { + return RtlNtStatusToDosError(Status); + } + + if (IsHKCRKey(KeyHandle)) + { + LONG ErrorCode = SetHKCRValue(KeyHandle, lpValueName, Reserved, dwType, lpData, cbData); + ClosePredefKey(KeyHandle); + return ErrorCode; + } if (is_string(dwType) && (cbData != 0)) { @@ -4878,16 +4909,10 @@ } _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER) { - _SEH2_YIELD(return ERROR_NOACCESS); + ClosePredefKey(KeyHandle); + return ERROR_NOACCESS; } _SEH2_END; - } - - Status = MapDefaultKey(&KeyHandle, - hKey); - if (!NT_SUCCESS(Status)) - { - return RtlNtStatusToDosError(Status); } RtlInitUnicodeString(&ValueName, lpValueName); Modified: trunk/reactos/dll/win32/advapi32/reg/reg.h URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/advapi32/reg/reg… ============================================================================== --- trunk/reactos/dll/win32/advapi32/reg/reg.h [iso-8859-1] (original) +++ trunk/reactos/dll/win32/advapi32/reg/reg.h [iso-8859-1] Wed Oct 1 17:48:32 2014 @@ -21,6 +21,19 @@ { *hKey = (HKEY)((ULONG_PTR)(*hKey) | 0x2); } + +LONG +WINAPI +CreateHKCRKey( + _In_ HKEY hKey, + _In_ LPCWSTR lpSubKey, + _In_ DWORD Reserved, + _In_opt_ LPWSTR lpClass, + _In_ DWORD dwOptions, + _In_ REGSAM samDesired, + _In_opt_ LPSECURITY_ATTRIBUTES lpSecurityAttributes, + _Out_ PHKEY phkResult, + _Out_opt_ LPDWORD lpdwDisposition); LONG WINAPI @@ -49,3 +62,13 @@ _In_ LPBYTE Data, _In_ LPDWORD Count); +LONG +WINAPI +SetHKCRValue( + _In_ HKEY hKey, + _In_ LPCWSTR Name, + _In_ DWORD Reserved, + _In_ DWORD Type, + _In_ CONST BYTE* Data, + _In_ DWORD DataSize); +

1 0

[jgardou] 64443: [ADVAPI32] - Implement RegQueryValueEx for HKCR subkeys CORE-8582
by jgardou＠svn.reactos.org 01 Oct '14

01 Oct '14

Author: jgardou Date: Wed Oct 1 17:48:26 2014 New Revision: 64443 URL: http://svn.reactos.org/svn/reactos?rev=64443&view=rev Log: [ADVAPI32] - Implement RegQueryValueEx for HKCR subkeys CORE-8582 Modified: trunk/reactos/dll/win32/advapi32/reg/hkcr.c trunk/reactos/dll/win32/advapi32/reg/reg.c trunk/reactos/dll/win32/advapi32/reg/reg.h Modified: trunk/reactos/dll/win32/advapi32/reg/hkcr.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/advapi32/reg/hkc… ============================================================================== --- trunk/reactos/dll/win32/advapi32/reg/hkcr.c [iso-8859-1] (original) +++ trunk/reactos/dll/win32/advapi32/reg/hkcr.c [iso-8859-1] Wed Oct 1 17:48:26 2014 @@ -268,6 +268,7 @@ return ErrorCode; } +/* HKCR version of RegDeleteKeyExW */ LONG WINAPI DeleteHKCRKey( @@ -329,3 +330,68 @@ return ErrorCode; } + +/* HKCR version of RegQueryValueExW */ +LONG +WINAPI +QueryHKCRValue( + _In_ HKEY hKey, + _In_ LPCWSTR Name, + _In_ LPDWORD Reserved, + _In_ LPDWORD Type, + _In_ LPBYTE Data, + _In_ LPDWORD Count) +{ + HKEY QueriedKey; + LONG ErrorCode; + + ASSERT(IsHKCRKey(hKey)); + + /* Remove the HKCR flag while we're working */ + hKey = (HKEY)(((ULONG_PTR)hKey) & ~0x2); + + ErrorCode = GetPreferredHKCRKey(hKey, &QueriedKey); + + if (ErrorCode == ERROR_FILE_NOT_FOUND) + { + /* The key doesn't exist on HKCU side, no chance for a value in it */ + return RegQueryValueExW(hKey, Name, Reserved, Type, Data, Count); + } + + if (ErrorCode != ERROR_SUCCESS) + { + /* Somehow we failed for another reason (maybe deleted key or whatever) */ + return ErrorCode; + } + + ErrorCode = RegQueryValueExW(QueriedKey, Name, Reserved, Type, Data, Count); + + /* Close it if we must */ + if (QueriedKey != hKey) + { + /* The original key is on the machine view */ + RegCloseKey(QueriedKey); + } + + /* Anything else than ERROR_FILE_NOT_FOUND means that we found it, even if it is with failures. */ + if (ErrorCode != ERROR_FILE_NOT_FOUND) + return ErrorCode; + + /* If we're here, we must open from HKLM key. */ + ErrorCode = GetFallbackHKCRKey(hKey, &QueriedKey); + if (ErrorCode != ERROR_SUCCESS) + { + /* Maybe the key doesn't exist in the HKLM view */ + return ErrorCode; + } + + ErrorCode = RegQueryValueExW(QueriedKey, Name, Reserved, Type, Data, Count); + + /* Close it if we must */ + if (QueriedKey != hKey) + { + RegCloseKey(QueriedKey); + } + + return ErrorCode; +} Modified: trunk/reactos/dll/win32/advapi32/reg/reg.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/advapi32/reg/reg… ============================================================================== --- trunk/reactos/dll/win32/advapi32/reg/reg.c [iso-8859-1] (original) +++ trunk/reactos/dll/win32/advapi32/reg/reg.c [iso-8859-1] Wed Oct 1 17:48:26 2014 @@ -4082,12 +4082,13 @@ */ LONG WINAPI -RegQueryValueExW(HKEY hkeyorg, - LPCWSTR name, - LPDWORD reserved, - LPDWORD type, - LPBYTE data, - LPDWORD count) +RegQueryValueExW( + _In_ HKEY hkeyorg, + _In_ LPCWSTR name, + _In_ LPDWORD reserved, + _In_ LPDWORD type, + _In_ LPBYTE data, + _In_ LPDWORD count) { HANDLE hkey; NTSTATUS status; @@ -4107,6 +4108,13 @@ if (!NT_SUCCESS(status)) { return RtlNtStatusToDosError(status); + } + + if (IsHKCRKey(hkey)) + { + LONG ErrorCode = QueryHKCRValue(hkey, name, reserved, type, data, count); + ClosePredefKey(hkey); + return ErrorCode; } RtlInitUnicodeString( &name_str, name ); Modified: trunk/reactos/dll/win32/advapi32/reg/reg.h URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/advapi32/reg/reg… ============================================================================== --- trunk/reactos/dll/win32/advapi32/reg/reg.h [iso-8859-1] (original) +++ trunk/reactos/dll/win32/advapi32/reg/reg.h [iso-8859-1] Wed Oct 1 17:48:26 2014 @@ -39,3 +39,13 @@ _In_ REGSAM RegSam, _In_ DWORD Reserved); +LONG +WINAPI +QueryHKCRValue( + _In_ HKEY hKey, + _In_ LPCWSTR Name, + _In_ LPDWORD Reserved, + _In_ LPDWORD Type, + _In_ LPBYTE Data, + _In_ LPDWORD Count); +

1 0

[jgardou] 64442: [ADVAPI32] - Correctly use RtlCreateUnicodeStringFromAsciiz and check for its return value in various places. It allocates a buffer and initializes is it as empty even if the passe...
by jgardou＠svn.reactos.org 01 Oct '14

01 Oct '14

Author: jgardou Date: Wed Oct 1 17:48:17 2014 New Revision: 64442 URL: http://svn.reactos.org/svn/reactos?rev=64442&view=rev Log: [ADVAPI32] - Correctly use RtlCreateUnicodeStringFromAsciiz and check for its return value in various places. It allocates a buffer and initializes is it as empty even if the passed ASCII buffer is NULL. Modified: trunk/reactos/dll/win32/advapi32/reg/reg.c Modified: trunk/reactos/dll/win32/advapi32/reg/reg.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/advapi32/reg/reg… ============================================================================== --- trunk/reactos/dll/win32/advapi32/reg/reg.c [iso-8859-1] (original) +++ trunk/reactos/dll/win32/advapi32/reg/reg.c [iso-8859-1] Wed Oct 1 17:48:17 2014 @@ -1039,8 +1039,26 @@ UNICODE_STRING ClassString; DWORD ErrorCode; - RtlCreateUnicodeStringFromAsciiz(&ClassString, lpClass); - RtlCreateUnicodeStringFromAsciiz(&SubKeyString, (LPSTR)lpSubKey); + RtlInitEmptyUnicodeString(&ClassString, NULL, 0); + RtlInitEmptyUnicodeString(&SubKeyString, NULL, 0); + + if (lpClass) + { + if (!RtlCreateUnicodeStringFromAsciiz(&ClassString, lpClass)) + { + ErrorCode = ERROR_NOT_ENOUGH_MEMORY; + goto Exit; + } + } + + if (lpSubKey) + { + if (!RtlCreateUnicodeStringFromAsciiz(&SubKeyString, lpSubKey)) + { + ErrorCode = ERROR_NOT_ENOUGH_MEMORY; + goto Exit; + } + } ErrorCode = RegCreateKeyExW( hKey, @@ -1053,6 +1071,7 @@ phkResult, lpdwDisposition); +Exit: RtlFreeUnicodeString(&SubKeyString); RtlFreeUnicodeString(&ClassString); @@ -1222,7 +1241,13 @@ LONG ErrorCode; UNICODE_STRING SubKeyName; - RtlCreateUnicodeStringFromAsciiz(&SubKeyName, (LPSTR)lpSubKey); + if (lpSubKey) + { + if (!RtlCreateUnicodeStringFromAsciiz(&SubKeyName, lpSubKey)) + return ERROR_NOT_ENOUGH_MEMORY; + } + else + RtlInitEmptyUnicodeString(&SubKeyName, NULL, 0); ErrorCode = RegDeleteKeyExW(hKey, SubKeyName.Buffer, samDesired, Reserved); @@ -3048,15 +3073,32 @@ UNICODE_STRING KeyName; LONG ErrorCode; - RtlCreateUnicodeStringFromAsciiz(&KeyName, - (LPSTR)lpSubKey); - RtlCreateUnicodeStringFromAsciiz(&FileName, - (LPSTR)lpFile); + RtlInitEmptyUnicodeString(&KeyName, NULL, 0); + RtlInitEmptyUnicodeString(&FileName, NULL, 0); + + if (lpSubKey) + { + if (!RtlCreateUnicodeStringFromAsciiz(&KeyName, lpSubKey)) + { + ErrorCode = ERROR_NOT_ENOUGH_MEMORY; + goto Exit; + } + } + + if (lpFile) + { + if (!RtlCreateUnicodeStringFromAsciiz(&FileName, lpFile)) + { + ErrorCode = ERROR_NOT_ENOUGH_MEMORY; + goto Exit; + } + } ErrorCode = RegLoadKeyW(hKey, KeyName.Buffer, FileName.Buffer); +Exit: RtlFreeUnicodeString(&FileName); RtlFreeUnicodeString(&KeyName); @@ -3313,8 +3355,13 @@ TRACE("RegOpenKeyExA hKey 0x%x lpSubKey %s ulOptions 0x%x samDesired 0x%x phkResult %p\n", hKey, lpSubKey, ulOptions, samDesired, phkResult); - RtlCreateUnicodeStringFromAsciiz(&SubKeyString, - (LPSTR)lpSubKey); + if (lpSubKey) + { + if (!RtlCreateUnicodeStringFromAsciiz(&SubKeyString, lpSubKey)) + return ERROR_NOT_ENOUGH_MEMORY; + } + else + RtlInitEmptyUnicodeString(&SubKeyString, NULL, 0); ErrorCode = RegOpenKeyExW(hKey, SubKeyString.Buffer, ulOptions, samDesired, phkResult); @@ -3963,7 +4010,10 @@ return ERROR_INVALID_PARAMETER; if (name) - RtlCreateUnicodeStringFromAsciiz(&nameW, name); + { + if (!RtlCreateUnicodeStringFromAsciiz(&nameW, name)) + return ERROR_NOT_ENOUGH_MEMORY; + } else RtlInitEmptyUnicodeString(&nameW, NULL, 0); @@ -4205,18 +4255,43 @@ UNICODE_STRING OldFile; LONG ErrorCode; - RtlCreateUnicodeStringFromAsciiz(&SubKey, - (PCSZ)lpSubKey); - RtlCreateUnicodeStringFromAsciiz(&OldFile, - (PCSZ)lpOldFile); - RtlCreateUnicodeStringFromAsciiz(&NewFile, - (PCSZ)lpNewFile); + RtlInitEmptyUnicodeString(&SubKey, NULL, 0); + RtlInitEmptyUnicodeString(&OldFile, NULL, 0); + RtlInitEmptyUnicodeString(&NewFile, NULL, 0); + + if (lpSubKey) + { + if (!RtlCreateUnicodeStringFromAsciiz(&SubKey, lpSubKey)) + { + ErrorCode = ERROR_NOT_ENOUGH_MEMORY; + goto Exit; + } + } + + if (lpOldFile) + { + if (!RtlCreateUnicodeStringFromAsciiz(&OldFile, lpOldFile)) + { + ErrorCode = ERROR_NOT_ENOUGH_MEMORY; + goto Exit; + } + } + + if (lpNewFile) + { + if (!RtlCreateUnicodeStringFromAsciiz(&NewFile, lpNewFile)) + { + ErrorCode = ERROR_NOT_ENOUGH_MEMORY; + goto Exit; + } + } ErrorCode = RegReplaceKeyW(hKey, SubKey.Buffer, NewFile.Buffer, OldFile.Buffer); +Exit: RtlFreeUnicodeString(&OldFile); RtlFreeUnicodeString(&NewFile); RtlFreeUnicodeString(&SubKey); @@ -4373,8 +4448,13 @@ UNICODE_STRING FileName; LONG ErrorCode; - RtlCreateUnicodeStringFromAsciiz(&FileName, - (PCSZ)lpFile); + if (lpFile) + { + if (!RtlCreateUnicodeStringFromAsciiz(&FileName, lpFile)) + return ERROR_NOT_ENOUGH_MEMORY; + } + else + RtlInitEmptyUnicodeString(&FileName, NULL, 0); ErrorCode = RegRestoreKeyW(hKey, FileName.Buffer, @@ -4474,8 +4554,14 @@ UNICODE_STRING FileName; LONG ErrorCode; - RtlCreateUnicodeStringFromAsciiz(&FileName, - (LPSTR)lpFile); + if (lpFile) + { + if (!RtlCreateUnicodeStringFromAsciiz(&FileName, lpFile)) + return ERROR_NOT_ENOUGH_MEMORY; + } + else + RtlInitEmptyUnicodeString(&FileName, NULL, 0); + ErrorCode = RegSaveKeyW(hKey, FileName.Buffer, lpSecurityAttributes); @@ -4579,8 +4665,14 @@ UNICODE_STRING FileName; LONG ErrorCode; - RtlCreateUnicodeStringFromAsciiz(&FileName, - (LPSTR)lpFile); + if (lpFile) + { + if (!RtlCreateUnicodeStringFromAsciiz(&FileName, lpFile)) + return ERROR_NOT_ENOUGH_MEMORY; + } + else + RtlInitEmptyUnicodeString(&FileName, NULL, 0); + ErrorCode = RegSaveKeyExW(hKey, FileName.Buffer, lpSecurityAttributes, @@ -4917,8 +5009,13 @@ UNICODE_STRING KeyName; DWORD ErrorCode; - RtlCreateUnicodeStringFromAsciiz(&KeyName, - (LPSTR)lpSubKey); + if (lpSubKey) + { + if (!RtlCreateUnicodeStringFromAsciiz(&KeyName, lpSubKey)) + return ERROR_NOT_ENOUGH_MEMORY; + } + else + RtlInitEmptyUnicodeString(&KeyName, NULL, 0); ErrorCode = RegUnLoadKeyW(hKey, KeyName.Buffer);

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[jgardou] 64441: [ADVAPI32] - Rewrite RegQueryValueExA as a wrapper arount RegQueryValueExW CORE-8582
by jgardou＠svn.reactos.org 01 Oct '14

01 Oct '14

Author: jgardou Date: Wed Oct 1 17:48:04 2014 New Revision: 64441 URL: http://svn.reactos.org/svn/reactos?rev=64441&view=rev Log: [ADVAPI32] - Rewrite RegQueryValueExA as a wrapper arount RegQueryValueExW CORE-8582 Modified: trunk/reactos/dll/win32/advapi32/reg/reg.c Modified: trunk/reactos/dll/win32/advapi32/reg/reg.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/advapi32/reg/reg… ============================================================================== --- trunk/reactos/dll/win32/advapi32/reg/reg.c [iso-8859-1] (original) +++ trunk/reactos/dll/win32/advapi32/reg/reg.c [iso-8859-1] Wed Oct 1 17:48:04 2014 @@ -3942,102 +3942,86 @@ */ LONG WINAPI -RegQueryValueExA(HKEY hkeyorg, - LPCSTR name, - LPDWORD reserved, - LPDWORD type, - LPBYTE data, - LPDWORD count) -{ - HANDLE hkey; - NTSTATUS status; - ANSI_STRING nameA; +RegQueryValueExA( + _In_ HKEY hkeyorg, + _In_ LPCSTR name, + _In_ LPDWORD reserved, + _Out_opt_ LPDWORD type, + _Out_opt_ LPBYTE data, + _Inout_opt_ LPDWORD count) +{ UNICODE_STRING nameW; - DWORD total_size, datalen = 0; - char buffer[256], *buf_ptr = buffer; - KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)buffer; - static const int info_size = offsetof( KEY_VALUE_PARTIAL_INFORMATION, Data ); - - TRACE("(%p,%s,%p,%p,%p,%p=%d)\n", - hkeyorg, debugstr_a(name), reserved, type, data, count, count ? *count : 0 ); - - if ((data && !count) || reserved) return ERROR_INVALID_PARAMETER; - status = MapDefaultKey(&hkey, hkeyorg); - if (!NT_SUCCESS(status)) - { - return RtlNtStatusToDosError(status); - } - - if (count) datalen = *count; - if (!data && count) *count = 0; - - RtlInitAnsiString( &nameA, name ); - if ((status = RtlAnsiStringToUnicodeString( &nameW, &nameA, TRUE ))) - { - ClosePredefKey(hkey); - return RtlNtStatusToDosError(status); - } - - status = NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation, - buffer, sizeof(buffer), &total_size ); - if (status && status != STATUS_BUFFER_OVERFLOW) goto done; - - /* we need to fetch the contents for a string type even if not requested, - * because we need to compute the length of the ASCII string. */ - if (data || is_string(info->Type)) - { - /* retry with a dynamically allocated buffer */ - while (status == STATUS_BUFFER_OVERFLOW) - { - if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr ); - if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size ))) - { - status = STATUS_NO_MEMORY; - goto done; - } - info = (KEY_VALUE_PARTIAL_INFORMATION *)buf_ptr; - status = NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation, - buf_ptr, total_size, &total_size ); - } - - if (status) goto done; - - if (is_string(info->Type)) - { - DWORD len; - - RtlUnicodeToMultiByteSize( &len, (WCHAR *)(buf_ptr + info_size), - total_size - info_size ); - if (data && len) - { - if (len > datalen) status = STATUS_BUFFER_OVERFLOW; - else - { - RtlUnicodeToMultiByteN( (char*)data, len, NULL, (WCHAR *)(buf_ptr + info_size), - total_size - info_size ); - /* if the type is REG_SZ and data is not 0-terminated - * and there is enough space in the buffer NT appends a \0 */ - if (len < datalen && data[len-1]) data[len] = 0; - } - } - total_size = len + info_size; - } - else if (data) - { - if (total_size - info_size > datalen) status = STATUS_BUFFER_OVERFLOW; - else memcpy( data, buf_ptr + info_size, total_size - info_size ); - } - } - else status = STATUS_SUCCESS; - - if (type) *type = info->Type; - if (count) *count = total_size - info_size; - - done: - if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr ); - RtlFreeUnicodeString( &nameW ); - ClosePredefKey(hkey); - return RtlNtStatusToDosError(status); + DWORD DataLength; + DWORD ErrorCode; + DWORD BufferSize = 0; + WCHAR* Buffer; + CHAR* DataStr = (CHAR*)data; + DWORD LocalType; + + /* Validate those parameters, the rest will be done with the first RegQueryValueExW call */ + if ((data && !count) || reserved) + return ERROR_INVALID_PARAMETER; + + if (name) + RtlCreateUnicodeStringFromAsciiz(&nameW, name); + else + RtlInitEmptyUnicodeString(&nameW, NULL, 0); + + ErrorCode = RegQueryValueExW(hkeyorg, nameW.Buffer, NULL, &LocalType, NULL, &BufferSize); + if (ErrorCode != ERROR_SUCCESS) + { + if (!data) + *count = 0; + RtlFreeUnicodeString(&nameW); + return ErrorCode; + } + + /* See if we can directly handle the call without caring for conversion */ + if (!is_string(LocalType) || !count) + { + ErrorCode = RegQueryValueExW(hkeyorg, nameW.Buffer, reserved, type, data, count); + RtlFreeUnicodeString(&nameW); + return ErrorCode; + } + + /* Allocate a unicode string to get the data */ + Buffer = RtlAllocateHeap(RtlGetProcessHeap(), 0, BufferSize); + if (!Buffer) + { + RtlFreeUnicodeString(&nameW); + return ERROR_NOT_ENOUGH_MEMORY; + } + + ErrorCode = RegQueryValueExW(hkeyorg, nameW.Buffer, reserved, type, (LPBYTE)Buffer, &BufferSize); + if (ErrorCode != ERROR_SUCCESS) + { + RtlFreeHeap(RtlGetProcessHeap(), 0, Buffer); + RtlFreeUnicodeString(&nameW); + return ErrorCode; + } + + /* We don't need this anymore */ + RtlFreeUnicodeString(&nameW); + + DataLength = *count; + RtlUnicodeToMultiByteSize(count, Buffer, BufferSize); + + if ((!data) || (DataLength < *count)) + { + RtlFreeHeap(RtlGetProcessHeap(), 0, Buffer); + return data ? ERROR_MORE_DATA : ERROR_SUCCESS; + } + + /* We can finally do the conversion */ + RtlUnicodeToMultiByteN(DataStr, DataLength, NULL, Buffer, BufferSize); + + /* NULL-terminate if there is enough room */ + if ((DataLength > *count) && (DataStr[*count - 1] != '\0')) + DataStr[*count] = '\0'; + + RtlFreeHeap(RtlGetProcessHeap(), 0, Buffer); + + return ERROR_SUCCESS; }

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Ros-diffs October 2014