552 lines
16 KiB
C
552 lines
16 KiB
C
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//
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// PCH.H
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//
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// Copyright (C) Microsoft Corporation, 1995-1996
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//
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#ifndef _REGPRIV_
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#define _REGPRIV_
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// Conditional enable registry "features" based on the target model.
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//
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// WANT_STATIC_KEYS: Allocates key handles from a memory pool allocated
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// during library initialization. Especially useful for real-mode to reduce
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// the memory fragmentation caused by allocating several small fixed objects.
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//
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// WANT_FULL_MEMORY_CLEANUP: When detaching, free every memory block. Not
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// necessary for the ring zero version where "detach" means system shutdown.
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//
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// WANT_HIVE_SUPPORT: RegLoadKey, RegUnLoadKey, RegSaveKey, RegReplaceKey
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// APIs plus support code.
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//
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// WANT_DYNKEY_SUPPORT: RegCreateDynKey plus HKEY_DYN_DATA support.
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//
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// WANT_NOTIFY_CHANGE_SUPPORT: RegNotifyChangeKeyValue plus support code.
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#ifndef IS_32
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#define WANT_STATIC_KEYS
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#endif
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#ifndef VXD
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#define WANT_FULL_MEMORY_CLEANUP
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#endif
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#ifndef REALMODE
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#define WANT_HIVE_SUPPORT
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#endif
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#ifdef VXD
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#define WANT_REGREPLACEKEY
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#define WANT_DYNKEY_SUPPORT
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#define WANT_NOTIFY_CHANGE_SUPPORT
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#endif
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// Map any other header's definitions of these to unused types.
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#define HKEY __UNUSED_HKEY
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#define LPHKEY __UNUSED_LPHKEY
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#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN
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#endif
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#define NORESOURCE // prevent RT_* definitions from vmmsys.h
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#include <windows.h>
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#include <string.h>
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#ifdef VXD
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#error "Cannot compile with VXD defined"
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// #include <vmmsys.h>
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// #include <thrdsys.h>
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#endif
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#ifndef UNALIGNED
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#define UNALIGNED // defined in standard headers for RISC
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#endif
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#ifndef ANYSIZE_ARRAY
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#define ANYSIZE_ARRAY 1
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#endif
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#ifdef VXD
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// By default, all registry code and data is pageable.
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#pragma VMM_PAGEABLE_CODE_SEG
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#pragma VMM_PAGEABLE_DATA_SEG
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#endif
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#define UNREFERENCED_PARAMETER(P) (P)
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#define INTERNAL PASCAL NEAR
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#define INTERNALV CDECL NEAR
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// Undefine any constants that we're about to define ourselves.
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#undef HKEY
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#undef LPHKEY
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#undef HKEY_CLASSES_ROOT
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#undef HKEY_CURRENT_USER
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#undef HKEY_LOCAL_MACHINE
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#undef HKEY_USERS
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#undef HKEY_PERFORMANCE_DATA
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#undef HKEY_CURRENT_CONFIG
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#undef HKEY_DYN_DATA
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typedef struct _KEY FAR* HKEY; // Forward reference
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#include "regdebug.h"
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#include "regffmt.h"
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#include "regfinfo.h"
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// Many file structures in the registry are declared as DWORDs, the HIWORD is
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// always zero. Use SmallDword to access such DWORDs for optimal access in
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// 16-bit or 32-bit code.
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#if defined(IS_32)
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#define SmallDword(dw) ((UINT) (dw))
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#else
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#define SmallDword(dw) ((UINT) LOWORD((dw)))
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#endif
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#if defined(WIN16)
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#define IsNullPtr(ptr) (SELECTOROF((ptr)) == NULL)
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#else
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#define IsNullPtr(ptr) ((ptr) == NULL)
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#endif
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// In either mode, the resulting code uses an instrinsic version of the memcmp
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// function.
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#if defined(IS_32)
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#define CompareMemory memcmp
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#else
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#define CompareMemory _fmemcmp
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#endif
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#if defined(WIN16) || defined(WIN32)
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#define StrCpy(lpd, lps) (lstrcpy((lpd), (lps)))
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#define StrCpyN(lpd, lps, cb) (lstrcpyn((lpd), (lps), (cb)))
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#define StrLen(lpstr) (lstrlen((lpstr)))
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#define ToUpper(ch) ((int) (DWORD) AnsiUpper((LPSTR)((BYTE)(ch))))
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#define RgCreateFile(lpfn) ((HFILE) _lcreat((lpfn), 0))
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#define RgOpenFile(lpfn, mode) ((HFILE) _lopen((lpfn), (mode)))
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#define RgCloseFile(h) ((VOID) _lclose(h))
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#if defined(WIN32)
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#define RgDeleteFile(lpv) (DeleteFile((lpv)))
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#define RgRenameFile(lpv1, lpv2) (MoveFile((lpv1), (lpv2)))
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#define RgGetFileAttributes(lpv) (GetFileAttributes((lpv)))
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#define RgSetFileAttributes(lpv, a) (SetFileAttributes((lpv), (a)))
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#define RgCommitFile(h) (FlushFileBuffers((HANDLE)h))
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#ifdef USEHEAP
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extern HANDLE g_RgHeap; // Low memory heap for testing
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#define AllocBytes(cb) ((LPVOID) HeapAlloc(g_RgHeap, 0, (cb)))
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#define FreeBytes(lpv) ((VOID) HeapFree(g_RgHeap, 0, (lpv)))
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#define ReAllocBytes(lpv, cb) ((LPVOID) HeapReAlloc(g_RgHeap, 0, (lpv), (cb)))
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#define MemorySize(lpv) ((UINT) HeapSize(g_RgHeap, 0, (lpv)))
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#else
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#define AllocBytes(cb) ((LPVOID) LocalAlloc(LMEM_FIXED, (cb)))
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#define FreeBytes(lpv) ((VOID) LocalFree((HLOCAL) (lpv)))
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#define ReAllocBytes(lpv, cb) ((LPVOID) LocalReAlloc((HLOCAL) (lpv), (cb), LMEM_MOVEABLE))
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#define MemorySize(lpv) ((UINT) LocalSize((lpv)))
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#endif // USEHEAP
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#else
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#define AllocBytes(cb) ((LPVOID) MAKELP(GlobalAlloc(GMEM_FIXED, (cb)), 0))
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#define FreeBytes(lpv) ((VOID) GlobalFree((HGLOBAL) SELECTOROF((lpv))))
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#define ReAllocBytes(lpv, cb) ((LPVOID) MAKELP(GlobalReAlloc((HGLOBAL) SELECTOROF((lpv)), (cb), GMEM_MOVEABLE), 0))
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#define MemorySize(lpv) ((UINT) GlobalSize((HGLOBAL) SELECTOROF((lpv))))
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// WIN16's ZeroMemory/MoveMemory: SETUPX is the only target WIN16 environment
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// and they already use _fmemset and _fmemmove, so just use their versions.
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#define ZeroMemory(lpv, cb) (_fmemset((lpv), 0, (cb)))
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#define MoveMemory(lpd, lps, cb) (_fmemmove((lpd), (lps), (cb)))
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#endif // WIN16 || WIN32
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#elif defined(REALMODE)
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#define IsBadStringPtr(lpv, cb) (FALSE)
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#define IsBadHugeWritePtr(lpv, cb) (FALSE)
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#define IsBadHugeReadPtr(lpv, cb) (FALSE)
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#define StrCpy(lpd, lps) (_fstrcpy((lpd), (lps)))
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#define StrCpyN(lpd, lps, cb) (_fstrcpyn((lpd), (lps), (cb)))
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#define StrLen(lpstr) (_fstrlen((lpstr)))
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#define ToUpper(ch) ((int)(((ch>='a')&&(ch<='z'))?(ch-'a'+'A'):ch))
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LPVOID INTERNAL AllocBytes(UINT);
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VOID INTERNAL FreeBytes(LPVOID);
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LPVOID INTERNAL ReAllocBytes(LPVOID, UINT);
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UINT INTERNAL MemorySize(LPVOID);
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VOID INTERNAL ZeroMemory(LPVOID, UINT);
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VOID INTERNAL MoveMemory(LPVOID, const VOID FAR*, UINT);
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#elif defined(VXD)
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#undef IsBadStringPtr // Conflicts with windows.h
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#undef ZeroMemory // Conflicts with windows.h
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#undef MoveMemory // Conflicts with windows.h
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BOOL INTERNAL RgIsBadStringPtr(const VOID FAR*, UINT);
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BOOL INTERNAL RgIsBadOptionalStringPtr(const VOID FAR*, UINT);
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BOOL INTERNAL RgIsBadHugeWritePtr(const VOID FAR*, UINT);
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BOOL INTERNAL RgIsBadHugeOptionalWritePtr(const VOID FAR*, UINT);
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BOOL INTERNAL RgIsBadHugeReadPtr(const VOID FAR*, UINT);
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#define IsBadStringPtr(lpv, cb) (RgIsBadStringPtr((lpv), (cb)))
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#define IsBadOptionalStringPtr(lpv, cb) (RgIsBadOptionalStringPtr((lpv), (cb)))
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#define IsBadHugeWritePtr(lpv, cb) (RgIsBadHugeWritePtr((lpv), (cb)))
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#define IsBadHugeOptionalWritePtr(lpv, cb) (RgIsBadHugeOptionalWritePtr((lpv), (cb)))
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#define IsBadHugeReadPtr(lpv, cb) (RgIsBadHugeReadPtr((lpv), (cb)))
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#define StrCpy(lpd, lps) (_lstrcpyn((PCHAR)(lpd), (PCHAR)(lps), (ULONG)(-1)))
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#define StrCpyN(lpd, lps, cb) (_lstrcpyn((PCHAR)(lpd), (PCHAR)(lps), (ULONG)(cb)))
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#define StrLen(lpstr) (_lstrlen((PCHAR)(lpstr)))
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extern UCHAR UpperCaseTable[256];
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#define ToUpper(ch) ((int)(UpperCaseTable[(UCHAR)(ch)]))
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VOID INTERNAL RgSetAndReleaseEvent(HANDLE hEvent);
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#define RgGetCurrentThreadId() ((DWORD)pthcbCur)
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#define AllocBytes(cb) ((LPVOID) _HeapAllocate((cb), HEAPSWAP))
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#define FreeBytes(lpv) ((VOID) _HeapFree((lpv), 0))
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#define ReAllocBytes(lpv, cb) ((LPVOID) _HeapReAllocate((lpv), (cb), HEAPSWAP))
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#define MemorySize(lpv) ((UINT) _HeapGetSize((lpv), 0))
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#define AllocPages(cp) ((LPVOID) _PageAllocate((cp), PG_SYS, 0, 0, 0, 0, NULL, 0))
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#define FreePages(lpv) ((VOID) _PageFree((ULONG) (lpv), 0))
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#define ReAllocPages(lpv, cp) ((LPVOID) _PageReAllocate((ULONG) (lpv), (cp), 0))
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VOID INTERNAL RgZeroMemory(LPVOID, UINT);
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VOID INTERNAL RgMoveMemory(LPVOID, const VOID FAR*, UINT);
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#define ZeroMemory RgZeroMemory
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#define MoveMemory RgMoveMemory
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#else
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#error Must define REALMODE, VXD, WIN16, or WIN32.
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#endif
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// The IsBadHugeOptional*Ptr macros are used to validate pointers that may be
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// NULL. By wrapping this "predicate", we can generate smaller code in some
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// environments, specifically VMM...
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#if !defined(VXD)
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#define IsBadOptionalStringPtr(lpv, cb) \
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(!IsNullPtr((lpv)) && IsBadStringPtr((lpv), (cb)))
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#define IsBadHugeOptionalWritePtr(lpv, cb) \
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(!IsNullPtr((lpv)) && IsBadHugeWritePtr((lpv), (cb)))
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#endif
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// The IsEnumIndexTooBig macro is used to check if a DWORD sized index can fit
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// into a UINT sized variable. Only useful for validation of RegEnumKey or
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// RegEnumValue to make small code in both 16 and 32 bit environments.
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#if defined(IS_32)
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#define IsEnumIndexTooBig(index) (FALSE)
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#else
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#define IsEnumIndexTooBig(index) (HIWORD(index) > 0)
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#endif
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#if defined(VXD)
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BOOL INTERNAL RgLockRegistry(VOID);
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VOID INTERNAL RgUnlockRegistry(VOID);
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VOID INTERNAL RgDelayFlush(VOID);
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VOID INTERNAL RgYield(VOID);
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#else
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#define RgLockRegistry() (TRUE)
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#define RgUnlockRegistry() (TRUE)
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#define RgDelayFlush() (TRUE)
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#define RgYield() (TRUE)
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#endif
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// Eliminate the need for #ifdef DBCS by using macros and letting the compiler
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// optimize out the DBCS code on SBCS systems.
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#ifdef DBCS
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#if !defined(WIN16) && !defined(WIN32)
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BOOL INTERNAL RgIsDBCSLeadByte(BYTE TestChar);
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#define IsDBCSLeadByte(ch) RgIsDBCSLeadByte(ch)
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#endif
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#else
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#define IsDBCSLeadByte(ch) ((ch), FALSE)
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#endif // DBCS
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#ifdef WANT_DYNKEY_SUPPORT
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// Internally used for maintaining dynamic key information; only keeps the
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// fields that we actually need from the REG_PROVIDER structure given to
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// VMMRegCreateDynKey.
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typedef struct _INTERNAL_PROVIDER {
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PQUERYHANDLER ipi_R0_1val;
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PQUERYHANDLER ipi_R0_allvals;
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LPVOID ipi_key_context;
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} INTERNAL_PROVIDER, FAR* PINTERNAL_PROVIDER;
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#endif
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typedef struct _KEY {
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WORD Signature; // KEY_SIGNATURE
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WORD Flags; // KEYF_* bits
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UINT ReferenceCount;
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LPFILE_INFO lpFileInfo;
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DWORD KeynodeIndex;
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DWORD ChildKeynodeIndex;
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WORD BlockIndex;
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WORD BigKeyLockedBlockIndex; // If a bigkey function locked a datablock, this is its index
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BYTE KeyRecordIndex;
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BYTE PredefinedKeyIndex;
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struct _KEY FAR* lpNext;
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struct _KEY FAR* lpPrev;
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UINT LastEnumKeyIndex;
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DWORD LastEnumKeyKeynodeIndex;
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#ifdef WANT_DYNKEY_SUPPORT
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PINTERNAL_PROVIDER pProvider;
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#endif
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} KEY;
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#define KEY_SIGNATURE 0x4B48 // "HK"
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#define KEYF_PREDEFINED 0x01 // Represents one of HKEY_*
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#define KEYF_DELETED 0x02 //
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#define KEYF_INVALID 0x04 //
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#define KEYF_STATIC 0x08 // Allocated from static pool
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#define KEYF_ENUMKEYCACHED 0x10 // LastEnumKey* values valid
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#define KEYF_HIVESALLOWED 0x20 //
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#define KEYF_PROVIDERHASVALUELENGTH 0x40 // PROVIDER_KEEPS_VALUE_LENGTH
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#define KEYF_NEVERDELETE 0x80 // Reference count overflow
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#define KEYF_BIGKEYROOT 0x100 // This key handle is for a big key
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#define KEYF_ENUMEXTENTCACHED 0x200 // LastEnumKey* is for a big key extent
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#define INDEX_CLASSES_ROOT 0
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#define INDEX_CURRENT_USER 1
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#define INDEX_LOCAL_MACHINE 2
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#define INDEX_USERS 3
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#define INDEX_PERFORMANCE_DATA 4
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#define INDEX_CURRENT_CONFIG 5
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#define INDEX_DYN_DATA 6
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// Returns TRUE if the KEY references the root of a hive, such as
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// HKEY_LOCAL_MACHINE, HKEY_USERS, or any hive loaded by RegLoadKey.
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#define IsKeyRootOfHive(hkey) \
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((hkey)-> KeynodeIndex == (hkey)-> lpFileInfo-> KeynodeHeader.RootIndex)
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// Returns TRUE if the KEY is a subkey of HKEY_DYN_DATA.
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#ifdef WANT_DYNKEY_SUPPORT
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#define IsDynDataKey(hkey) \
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((hkey)-> PredefinedKeyIndex == INDEX_DYN_DATA)
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#else
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#define IsDynDataKey(hkey) (FALSE)
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#endif
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#include <regapix.h>
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#include "regkylst.h"
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#include "regdblk.h"
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#include "regknode.h"
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#include "regnckey.h"
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#include "regfsio.h"
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#include "regmem.h"
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#define ERROR_BIGKEY_NEEDED 1025L // Internal error, the data won't fit in a normal key
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#ifdef VXD
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extern BYTE g_RgPostCriticalInit;
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extern BYTE g_RgFileAccessDisabled;
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#define IsPostCriticalInit() (g_RgPostCriticalInit)
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#define IsFileAccessDisabled() (g_RgFileAccessDisabled)
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#else
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#define IsPostCriticalInit() (TRUE)
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#define IsFileAccessDisabled() (FALSE)
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#endif
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// g_RgWorkBuffer: one buffer is always available of size SIZEOF_WORK_BUFFER.
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// These macros wrap access to this buffer for to verify only one routine is
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// attempting to use it at any time.
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extern LPVOID g_RgWorkBuffer;
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#ifdef DEBUG
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extern BOOL g_RgWorkBufferBusy;
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#define RgLockWorkBuffer() \
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(ASSERT(!g_RgWorkBufferBusy), g_RgWorkBufferBusy = TRUE, (LPVOID) g_RgWorkBuffer)
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#define RgUnlockWorkBuffer(lpv) \
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(VOID) (ASSERT((lpv) == g_RgWorkBuffer), g_RgWorkBufferBusy = FALSE)
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#else
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#define RgLockWorkBuffer() ((LPVOID) g_RgWorkBuffer)
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#define RgUnlockWorkBuffer(lpv)
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#endif
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#define SIZEOF_WORK_BUFFER (sizeof(W95KEYNODE_BLOCK))
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#define IsKeyRecordFree(lpkr) \
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(((lpkr)-> DatablockAddress) == REG_NULL)
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BOOL
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INTERNAL
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RgIsBadSubKey(
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LPCSTR lpSubKey
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);
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UINT
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INTERNAL
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RgGetNextSubSubKey(
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LPCSTR lpSubKey,
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LPCSTR FAR* lplpSubSubKey,
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UINT FAR* lpSubSubKeyLength
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);
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#define LK_OPEN 0x0000 // Open key only
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#define LK_CREATE 0x0001 // Create or open key
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#define LK_CREATEDYNDATA 0x0002 // HKEY_DYN_DATA may create
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#define LK_BIGKEYEXT 0x0004 // Search only for big key extents
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int
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INTERNAL
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RgLookupKey(
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HKEY hKey,
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LPCSTR lpSubKey,
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LPHKEY lphSubKey,
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UINT Flags
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);
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int
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INTERNAL
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RgCreateOrOpenKey(
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HKEY hKey,
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LPCSTR lpSubKey,
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LPHKEY lphKey,
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UINT Flags
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);
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int
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INTERNAL
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RgLookupKeyByIndex(
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HKEY hKey,
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UINT Index,
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LPSTR lpKeyName,
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LPDWORD lpcbKeyName,
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UINT Flags
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);
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int
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INTERNAL
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RgLookupValueByName(
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HKEY hKey,
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LPCSTR lpValueName,
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LPKEY_RECORD FAR* lplpKeyRecord,
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LPVALUE_RECORD FAR* lplpValueRecord
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);
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int
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INTERNAL
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RgLookupValueByNameStd(
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HKEY hKey,
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LPCSTR lpValueName,
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LPKEY_RECORD FAR* lplpKeyRecord,
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LPVALUE_RECORD FAR* lplpValueRecord
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);
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int
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INTERNAL
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RgLookupValueByIndex(
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HKEY hKey,
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UINT Index,
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LPVALUE_RECORD FAR* lplpValueRecord
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);
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int
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INTERNAL
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RgLookupValueByIndexStd(
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HKEY hKey,
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UINT Index,
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LPVALUE_RECORD FAR* lplpValueRecord,
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UINT FAR* lpValueCount
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);
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int
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INTERNAL
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RgCopyFromValueRecord(
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HKEY hKey,
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LPVALUE_RECORD lpValueRecord,
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LPSTR lpValueName,
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LPDWORD lpcbValueName,
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LPDWORD lpType,
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LPBYTE lpData,
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LPDWORD lpcbData
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);
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VOID
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INTERNAL
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RgDeleteValueRecord(
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LPKEY_RECORD lpKeyRecord,
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LPVALUE_RECORD lpValueRecord
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);
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int
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INTERNAL
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RgReAllocKeyRecord(
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HKEY hKey,
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DWORD Length,
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LPKEY_RECORD FAR* lplpKeyRecord
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);
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int
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INTERNAL
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RgSetValue(
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HKEY hKey,
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LPCSTR lpValueName,
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DWORD Type,
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LPBYTE lpData,
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UINT cbData
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);
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int
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INTERNAL
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RgSetValueStd(
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HKEY hKey,
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||
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LPCSTR lpValueName,
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DWORD Type,
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LPBYTE lpData,
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UINT cbData,
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BOOL fBigKeyExtent
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);
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int
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INTERNAL
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RgDeleteKey(
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||
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|
HKEY hKey
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||
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);
|
||
|
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||
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DWORD
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||
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|
INTERNAL
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||
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|
RgChecksum(
|
||
|
|
LPVOID lpBuffer,
|
||
|
|
UINT ByteCount
|
||
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|
);
|
||
|
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||
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DWORD
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||
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|
INTERNAL
|
||
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|
RgHashString(
|
||
|
|
LPCSTR lpString,
|
||
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|
UINT Length
|
||
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|
);
|
||
|
|
|
||
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|
WORD
|
||
|
|
INTERNAL
|
||
|
|
RgAtoW(
|
||
|
|
LPCSTR lpDec
|
||
|
|
);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
INTERNAL
|
||
|
|
RgWtoA(
|
||
|
|
WORD Dec,
|
||
|
|
LPSTR lpDec
|
||
|
|
);
|
||
|
|
|
||
|
|
int
|
||
|
|
INTERNAL
|
||
|
|
RgStrCmpNI(
|
||
|
|
LPCSTR lpString1,
|
||
|
|
LPCSTR lpString2,
|
||
|
|
UINT Length
|
||
|
|
);
|
||
|
|
|
||
|
|
int
|
||
|
|
INTERNAL
|
||
|
|
RgCopyFileBytes(
|
||
|
|
HFILE hSourceFile,
|
||
|
|
LONG SourceOffset,
|
||
|
|
HFILE hDestinationFile,
|
||
|
|
LONG DestinationOffset,
|
||
|
|
DWORD cbSize
|
||
|
|
);
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
INTERNAL
|
||
|
|
RgGenerateAltFileName(
|
||
|
|
LPCSTR lpFileName,
|
||
|
|
LPSTR lpAltFileName,
|
||
|
|
char ExtensionChar
|
||
|
|
);
|
||
|
|
|
||
|
|
int
|
||
|
|
INTERNAL
|
||
|
|
RgCopyFile(
|
||
|
|
LPCSTR lpSourceFile,
|
||
|
|
LPCSTR lpDestinationFile
|
||
|
|
);
|
||
|
|
|
||
|
|
int
|
||
|
|
INTERNAL
|
||
|
|
RgReplaceFileInfo(
|
||
|
|
LPFILE_INFO lpFileInfo
|
||
|
|
);
|
||
|
|
|
||
|
|
#endif // _REGPRIV_
|