/* * NT basis DLL * * This file contains the Rtl* API functions. These should be implementable. * * Copyright 1996-1998 Marcus Meissner * Copyright 1999 Alex Korobka * Copyright 2003 Thomas Mertes * Crc32 code Copyright 1986 Gary S. Brown (Public domain) * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include "config.h" #include "wine/port.h" #include <stdlib.h> #include <stdarg.h> #include <stdio.h> #include <string.h> #include "ntstatus.h" #define NONAMELESSSTRUCT #define WIN32_NO_STATUS #include "windef.h" #include "winternl.h" #include "wine/debug.h" #include "wine/exception.h" #include "ntdll_misc.h" WINE_DEFAULT_DEBUG_CHANNEL(ntdll); static RTL_CRITICAL_SECTION peb_lock; static RTL_CRITICAL_SECTION_DEBUG critsect_debug = { 0, 0, &peb_lock, { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList }, 0, 0, { (DWORD_PTR)(__FILE__ ": peb_lock") } }; static RTL_CRITICAL_SECTION peb_lock = { &critsect_debug, -1, 0, 0, 0, 0 }; /* CRC polynomial 0xedb88320 */ static const DWORD CRC_table[256] = { 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d }; /* * resource functions */ /*********************************************************************** * RtlInitializeResource (NTDLL.@) * * xxxResource() functions implement multiple-reader-single-writer lock. * The code is based on information published in WDJ January 1999 issue. */ void WINAPI RtlInitializeResource(LPRTL_RWLOCK rwl) { if( rwl ) { rwl->iNumberActive = 0; rwl->uExclusiveWaiters = 0; rwl->uSharedWaiters = 0; rwl->hOwningThreadId = 0; rwl->dwTimeoutBoost = 0; /* no info on this one, default value is 0 */ RtlInitializeCriticalSection( &rwl->rtlCS ); rwl->rtlCS.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": RTL_RWLOCK.rtlCS"); NtCreateSemaphore( &rwl->hExclusiveReleaseSemaphore, SEMAPHORE_ALL_ACCESS, NULL, 0, 65535 ); NtCreateSemaphore( &rwl->hSharedReleaseSemaphore, SEMAPHORE_ALL_ACCESS, NULL, 0, 65535 ); } } /*********************************************************************** * RtlDeleteResource (NTDLL.@) */ void WINAPI RtlDeleteResource(LPRTL_RWLOCK rwl) { if( rwl ) { RtlEnterCriticalSection( &rwl->rtlCS ); if( rwl->iNumberActive || rwl->uExclusiveWaiters || rwl->uSharedWaiters ) MESSAGE("Deleting active MRSW lock (%p), expect failure\n", rwl ); rwl->hOwningThreadId = 0; rwl->uExclusiveWaiters = rwl->uSharedWaiters = 0; rwl->iNumberActive = 0; NtClose( rwl->hExclusiveReleaseSemaphore ); NtClose( rwl->hSharedReleaseSemaphore ); RtlLeaveCriticalSection( &rwl->rtlCS ); rwl->rtlCS.DebugInfo->Spare[0] = 0; RtlDeleteCriticalSection( &rwl->rtlCS ); } } /*********************************************************************** * RtlAcquireResourceExclusive (NTDLL.@) */ BYTE WINAPI RtlAcquireResourceExclusive(LPRTL_RWLOCK rwl, BYTE fWait) { BYTE retVal = 0; if( !rwl ) return 0; start: RtlEnterCriticalSection( &rwl->rtlCS ); if( rwl->iNumberActive == 0 ) /* lock is free */ { rwl->iNumberActive = -1; retVal = 1; } else if( rwl->iNumberActive < 0 ) /* exclusive lock in progress */ { if( rwl->hOwningThreadId == ULongToHandle(GetCurrentThreadId()) ) { retVal = 1; rwl->iNumberActive--; goto done; } wait: if( fWait ) { NTSTATUS status; rwl->uExclusiveWaiters++; RtlLeaveCriticalSection( &rwl->rtlCS ); status = NtWaitForSingleObject( rwl->hExclusiveReleaseSemaphore, FALSE, NULL ); if( HIWORD(status) ) goto done; goto start; /* restart the acquisition to avoid deadlocks */ } } else /* one or more shared locks are in progress */ if( fWait ) goto wait; if( retVal == 1 ) rwl->hOwningThreadId = ULongToHandle(GetCurrentThreadId()); done: RtlLeaveCriticalSection( &rwl->rtlCS ); return retVal; } /*********************************************************************** * RtlAcquireResourceShared (NTDLL.@) */ BYTE WINAPI RtlAcquireResourceShared(LPRTL_RWLOCK rwl, BYTE fWait) { NTSTATUS status = STATUS_UNSUCCESSFUL; BYTE retVal = 0; if( !rwl ) return 0; start: RtlEnterCriticalSection( &rwl->rtlCS ); if( rwl->iNumberActive < 0 ) { if( rwl->hOwningThreadId == ULongToHandle(GetCurrentThreadId()) ) { rwl->iNumberActive--; retVal = 1; goto done; } if( fWait ) { rwl->uSharedWaiters++; RtlLeaveCriticalSection( &rwl->rtlCS ); status = NtWaitForSingleObject( rwl->hSharedReleaseSemaphore, FALSE, NULL ); if( HIWORD(status) ) goto done; goto start; } } else { if( status != STATUS_WAIT_0 ) /* otherwise RtlReleaseResource() has already done it */ rwl->iNumberActive++; retVal = 1; } done: RtlLeaveCriticalSection( &rwl->rtlCS ); return retVal; } /*********************************************************************** * RtlReleaseResource (NTDLL.@) */ void WINAPI RtlReleaseResource(LPRTL_RWLOCK rwl) { RtlEnterCriticalSection( &rwl->rtlCS ); if( rwl->iNumberActive > 0 ) /* have one or more readers */ { if( --rwl->iNumberActive == 0 ) { if( rwl->uExclusiveWaiters ) { wake_exclusive: rwl->uExclusiveWaiters--; NtReleaseSemaphore( rwl->hExclusiveReleaseSemaphore, 1, NULL ); } } } else if( rwl->iNumberActive < 0 ) /* have a writer, possibly recursive */ { if( ++rwl->iNumberActive == 0 ) { rwl->hOwningThreadId = 0; if( rwl->uExclusiveWaiters ) goto wake_exclusive; else if( rwl->uSharedWaiters ) { UINT n = rwl->uSharedWaiters; rwl->iNumberActive = rwl->uSharedWaiters; /* prevent new writers from joining until * all queued readers have done their thing */ rwl->uSharedWaiters = 0; NtReleaseSemaphore( rwl->hSharedReleaseSemaphore, n, NULL ); } } } RtlLeaveCriticalSection( &rwl->rtlCS ); } /*********************************************************************** * RtlDumpResource (NTDLL.@) */ void WINAPI RtlDumpResource(LPRTL_RWLOCK rwl) { if( rwl ) { MESSAGE("RtlDumpResource(%p):\n\tactive count = %i\n\twaiting readers = %i\n\twaiting writers = %i\n", rwl, rwl->iNumberActive, rwl->uSharedWaiters, rwl->uExclusiveWaiters ); if( rwl->iNumberActive ) MESSAGE("\towner thread = %p\n", rwl->hOwningThreadId ); } } /* * misc functions */ /****************************************************************************** * DbgPrint [NTDLL.@] */ NTSTATUS WINAPIV DbgPrint(LPCSTR fmt, ...) { char buf[512]; __ms_va_list args; __ms_va_start(args, fmt); NTDLL__vsnprintf(buf, sizeof(buf), fmt, args); __ms_va_end(args); MESSAGE("DbgPrint says: %s",buf); /* hmm, raise exception? */ return STATUS_SUCCESS; } /****************************************************************************** * DbgPrintEx [NTDLL.@] */ NTSTATUS WINAPIV DbgPrintEx(ULONG iComponentId, ULONG Level, LPCSTR fmt, ...) { NTSTATUS ret; __ms_va_list args; __ms_va_start(args, fmt); ret = vDbgPrintEx(iComponentId, Level, fmt, args); __ms_va_end(args); return ret; } /****************************************************************************** * vDbgPrintEx [NTDLL.@] */ NTSTATUS WINAPI vDbgPrintEx( ULONG id, ULONG level, LPCSTR fmt, __ms_va_list args ) { return vDbgPrintExWithPrefix( "", id, level, fmt, args ); } /****************************************************************************** * vDbgPrintExWithPrefix [NTDLL.@] */ NTSTATUS WINAPI vDbgPrintExWithPrefix( LPCSTR prefix, ULONG id, ULONG level, LPCSTR fmt, __ms_va_list args ) { char buf[1024]; NTDLL__vsnprintf(buf, sizeof(buf), fmt, args); switch (level & DPFLTR_MASK) { case DPFLTR_ERROR_LEVEL: ERR("%s%x: %s", prefix, id, buf); break; case DPFLTR_WARNING_LEVEL: WARN("%s%x: %s", prefix, id, buf); break; case DPFLTR_TRACE_LEVEL: case DPFLTR_INFO_LEVEL: default: TRACE("%s%x: %s", prefix, id, buf); break; } return STATUS_SUCCESS; } /****************************************************************************** * RtlAcquirePebLock [NTDLL.@] */ VOID WINAPI RtlAcquirePebLock(void) { RtlEnterCriticalSection( &peb_lock ); } /****************************************************************************** * RtlReleasePebLock [NTDLL.@] */ VOID WINAPI RtlReleasePebLock(void) { RtlLeaveCriticalSection( &peb_lock ); } /****************************************************************************** * RtlNewSecurityObject [NTDLL.@] */ NTSTATUS WINAPI RtlNewSecurityObject( PSECURITY_DESCRIPTOR ParentDescriptor, PSECURITY_DESCRIPTOR CreatorDescriptor, PSECURITY_DESCRIPTOR *NewDescriptor, BOOLEAN IsDirectoryObject, HANDLE Token, PGENERIC_MAPPING GenericMapping ) { FIXME("(%p %p %p %d %p %p) stub!\n", ParentDescriptor, CreatorDescriptor, NewDescriptor, IsDirectoryObject, Token, GenericMapping); return STATUS_NOT_IMPLEMENTED; } /****************************************************************************** * RtlDeleteSecurityObject [NTDLL.@] */ NTSTATUS WINAPI RtlDeleteSecurityObject( PSECURITY_DESCRIPTOR *ObjectDescriptor ) { FIXME("(%p) stub!\n", ObjectDescriptor); return STATUS_NOT_IMPLEMENTED; } /************************************************************************** * _chkstk [NTDLL.@] * * Glorified "enter xxxx". */ #ifdef __i386__ __ASM_STDCALL_FUNC( _chkstk, 0, "negl %eax\n\t" "addl %esp,%eax\n\t" "xchgl %esp,%eax\n\t" "movl 0(%eax),%eax\n\t" /* copy return address from old location */ "movl %eax,0(%esp)\n\t" "ret" ) #endif /************************************************************************** * _alloca_probe [NTDLL.@] * * Glorified "enter xxxx". */ #ifdef __i386__ __ASM_STDCALL_FUNC( _alloca_probe, 0, "negl %eax\n\t" "addl %esp,%eax\n\t" "xchgl %esp,%eax\n\t" "movl 0(%eax),%eax\n\t" /* copy return address from old location */ "movl %eax,0(%esp)\n\t" "ret" ) #endif /****************************************************************************** * RtlInitializeGenericTable [NTDLL.@] */ PVOID WINAPI RtlInitializeGenericTable(PVOID pTable, PVOID arg2, PVOID arg3, PVOID arg4, PVOID arg5) { FIXME("(%p,%p,%p,%p,%p) stub!\n", pTable, arg2, arg3, arg4, arg5); return NULL; } /****************************************************************************** * RtlEnumerateGenericTableWithoutSplaying [NTDLL.@] */ PVOID RtlEnumerateGenericTableWithoutSplaying(PVOID pTable, PVOID *RestartKey) { FIXME("(%p,%p) stub!\n", pTable, RestartKey); return NULL; } /****************************************************************************** * RtlMoveMemory [NTDLL.@] * * Move a block of memory that may overlap. * * PARAMS * Destination [O] End destination for block * Source [O] Where to start copying from * Length [I] Number of bytes to copy * * RETURNS * Nothing. */ #undef RtlMoveMemory VOID WINAPI RtlMoveMemory( VOID *Destination, CONST VOID *Source, SIZE_T Length ) { memmove(Destination, Source, Length); } /****************************************************************************** * RtlFillMemory [NTDLL.@] * * Set a block of memory with a value. * * PARAMS * Destination [O] Block to fill * Length [I] Number of bytes to fill * Fill [I] Value to set * * RETURNS * Nothing. */ #undef RtlFillMemory VOID WINAPI RtlFillMemory( VOID *Destination, SIZE_T Length, BYTE Fill ) { memset(Destination, Fill, Length); } /****************************************************************************** * RtlZeroMemory [NTDLL.@] * * Set a block of memory with 0's. * * PARAMS * Destination [O] Block to fill * Length [I] Number of bytes to fill * * RETURNS * Nothing. */ #undef RtlZeroMemory VOID WINAPI RtlZeroMemory( VOID *Destination, SIZE_T Length ) { memset(Destination, 0, Length); } /****************************************************************************** * RtlCompareMemory [NTDLL.@] * * Compare one block of memory with another * * PARAMS * Source1 [I] Source block * Source2 [I] Block to compare to Source1 * Length [I] Number of bytes to compare * * RETURNS * The length of the first byte at which Source1 and Source2 differ, or Length * if they are the same. */ SIZE_T WINAPI RtlCompareMemory( const VOID *Source1, const VOID *Source2, SIZE_T Length) { SIZE_T i; for(i=0; (i<Length) && (((const BYTE*)Source1)[i]==((const BYTE*)Source2)[i]); i++); return i; } /****************************************************************************** * RtlCompareMemoryUlong [NTDLL.@] * * Compare a block of memory with a value, a ULONG at a time * * PARAMS * Source1 [I] Source block. This must be ULONG aligned * Length [I] Number of bytes to compare. This should be a multiple of 4 * dwVal [I] Value to compare to * * RETURNS * The byte position of the first byte at which Source1 is not dwVal. */ SIZE_T WINAPI RtlCompareMemoryUlong(const ULONG *Source1, SIZE_T Length, ULONG dwVal) { SIZE_T i; for(i = 0; i < Length/sizeof(ULONG) && Source1[i] == dwVal; i++); return i * sizeof(ULONG); } /****************************************************************************** * RtlAssert [NTDLL.@] * * Fail a debug assertion. * * RETURNS * Nothing. This call does not return control to its caller. * * NOTES * Not implemented in non-debug versions. */ void WINAPI RtlAssert(LPVOID x1,LPVOID x2,DWORD x3, DWORD x4) { FIXME("(%p,%p,0x%08x,0x%08x),stub\n",x1,x2,x3,x4); } /************************************************************************* * RtlFillMemoryUlong [NTDLL.@] * * Fill memory with a 32 bit (dword) value. * * PARAMS * lpDest [I] Bitmap pointer * ulCount [I] Number of dwords to write * ulValue [I] Value to fill with * * RETURNS * Nothing. */ VOID WINAPI RtlFillMemoryUlong(ULONG* lpDest, ULONG ulCount, ULONG ulValue) { TRACE("(%p,%d,%d)\n", lpDest, ulCount, ulValue); ulCount /= sizeof(ULONG); while(ulCount--) *lpDest++ = ulValue; } /********************************************************************* * RtlComputeCrc32 [NTDLL.@] * * Calculate the CRC32 checksum of a block of bytes * * PARAMS * dwInitial [I] Initial CRC value * pData [I] Data block * iLen [I] Length of the byte block * * RETURNS * The cumulative CRC32 of dwInitial and iLen bytes of the pData block. */ DWORD WINAPI RtlComputeCrc32(DWORD dwInitial, const BYTE *pData, INT iLen) { DWORD crc = ~dwInitial; TRACE("(%d,%p,%d)\n", dwInitial, pData, iLen); while (iLen > 0) { crc = CRC_table[(crc ^ *pData) & 0xff] ^ (crc >> 8); pData++; iLen--; } return ~crc; } /************************************************************************* * RtlUlonglongByteSwap [NTDLL.@] * * Swap the bytes of an unsigned long long value. * * PARAMS * i [I] Value to swap bytes of * * RETURNS * The value with its bytes swapped. */ ULONGLONG __cdecl RtlUlonglongByteSwap(ULONGLONG i) { return ((ULONGLONG)RtlUlongByteSwap(i) << 32) | RtlUlongByteSwap(i>>32); } /************************************************************************* * RtlUlongByteSwap [NTDLL.@] * * Swap the bytes of an unsigned int value. * * NOTES * ix86 version takes argument in %ecx. Other systems use the inline version. */ #ifdef __i386__ __ASM_GLOBAL_FUNC(NTDLL_RtlUlongByteSwap, "movl %ecx,%eax\n\t" "bswap %eax\n\t" "ret") #endif /************************************************************************* * RtlUshortByteSwap [NTDLL.@] * * Swap the bytes of an unsigned short value. * * NOTES * i386 version takes argument in %cx. Other systems use the inline version. */ #ifdef __i386__ __ASM_GLOBAL_FUNC(NTDLL_RtlUshortByteSwap, "movb %ch,%al\n\t" "movb %cl,%ah\n\t" "ret") #endif /************************************************************************* * RtlUniform [NTDLL.@] * * Generates an uniform random number * * PARAMS * seed [O] The seed of the Random function * * RETURNS * It returns a random number uniformly distributed over [0..MAXLONG-1]. * * NOTES * Generates an uniform random number using D.H. Lehmer's 1948 algorithm. * In our case the algorithm is: * *| result = (*seed * 0x7fffffed + 0x7fffffc3) % MAXLONG; *| *| *seed = result; * * DIFFERENCES * The native documentation states that the random number is * uniformly distributed over [0..MAXLONG]. In reality the native * function and our function return a random number uniformly * distributed over [0..MAXLONG-1]. */ ULONG WINAPI RtlUniform (PULONG seed) { ULONG result; /* * Instead of the algorithm stated above, we use the algorithm * below, which is totally equivalent (see the tests), but does * not use a division and therefore is faster. */ result = *seed * 0xffffffed + 0x7fffffc3; if (result == 0xffffffff || result == 0x7ffffffe) { result = (result + 2) & MAXLONG; } else if (result == 0x7fffffff) { result = 0; } else if ((result & 0x80000000) == 0) { result = result + (~result & 1); } else { result = (result + (result & 1)) & MAXLONG; } /* if */ *seed = result; return result; } /************************************************************************* * RtlRandom [NTDLL.@] * * Generates a random number * * PARAMS * seed [O] The seed of the Random function * * RETURNS * It returns a random number distributed over [0..MAXLONG-1]. */ ULONG WINAPI RtlRandom (PULONG seed) { static ULONG saved_value[128] = { /* 0 */ 0x4c8bc0aa, 0x4c022957, 0x2232827a, 0x2f1e7626, 0x7f8bdafb, 0x5c37d02a, 0x0ab48f72, 0x2f0c4ffa, /* 8 */ 0x290e1954, 0x6b635f23, 0x5d3885c0, 0x74b49ff8, 0x5155fa54, 0x6214ad3f, 0x111e9c29, 0x242a3a09, /* 16 */ 0x75932ae1, 0x40ac432e, 0x54f7ba7a, 0x585ccbd5, 0x6df5c727, 0x0374dad1, 0x7112b3f1, 0x735fc311, /* 24 */ 0x404331a9, 0x74d97781, 0x64495118, 0x323e04be, 0x5974b425, 0x4862e393, 0x62389c1d, 0x28a68b82, /* 32 */ 0x0f95da37, 0x7a50bbc6, 0x09b0091c, 0x22cdb7b4, 0x4faaed26, 0x66417ccd, 0x189e4bfa, 0x1ce4e8dd, /* 40 */ 0x5274c742, 0x3bdcf4dc, 0x2d94e907, 0x32eac016, 0x26d33ca3, 0x60415a8a, 0x31f57880, 0x68c8aa52, /* 48 */ 0x23eb16da, 0x6204f4a1, 0x373927c1, 0x0d24eb7c, 0x06dd7379, 0x2b3be507, 0x0f9c55b1, 0x2c7925eb, /* 56 */ 0x36d67c9a, 0x42f831d9, 0x5e3961cb, 0x65d637a8, 0x24bb3820, 0x4d08e33d, 0x2188754f, 0x147e409e, /* 64 */ 0x6a9620a0, 0x62e26657, 0x7bd8ce81, 0x11da0abb, 0x5f9e7b50, 0x23e444b6, 0x25920c78, 0x5fc894f0, /* 72 */ 0x5e338cbb, 0x404237fd, 0x1d60f80f, 0x320a1743, 0x76013d2b, 0x070294ee, 0x695e243b, 0x56b177fd, /* 80 */ 0x752492e1, 0x6decd52f, 0x125f5219, 0x139d2e78, 0x1898d11e, 0x2f7ee785, 0x4db405d8, 0x1a028a35, /* 88 */ 0x63f6f323, 0x1f6d0078, 0x307cfd67, 0x3f32a78a, 0x6980796c, 0x462b3d83, 0x34b639f2, 0x53fce379, /* 96 */ 0x74ba50f4, 0x1abc2c4b, 0x5eeaeb8d, 0x335a7a0d, 0x3973dd20, 0x0462d66b, 0x159813ff, 0x1e4643fd, /* 104 */ 0x06bc5c62, 0x3115e3fc, 0x09101613, 0x47af2515, 0x4f11ec54, 0x78b99911, 0x3db8dd44, 0x1ec10b9b, /* 112 */ 0x5b5506ca, 0x773ce092, 0x567be81a, 0x5475b975, 0x7a2cde1a, 0x494536f5, 0x34737bb4, 0x76d9750b, /* 120 */ 0x2a1f6232, 0x2e49644d, 0x7dddcbe7, 0x500cebdb, 0x619dab9e, 0x48c626fe, 0x1cda3193, 0x52dabe9d }; ULONG rand; int pos; ULONG result; rand = (*seed * 0x7fffffed + 0x7fffffc3) % 0x7fffffff; *seed = (rand * 0x7fffffed + 0x7fffffc3) % 0x7fffffff; pos = *seed & 0x7f; result = saved_value[pos]; saved_value[pos] = rand; return(result); } /************************************************************************* * RtlAreAllAccessesGranted [NTDLL.@] * * Check if all desired accesses are granted * * RETURNS * TRUE: All desired accesses are granted * FALSE: Otherwise */ BOOLEAN WINAPI RtlAreAllAccessesGranted( ACCESS_MASK GrantedAccess, ACCESS_MASK DesiredAccess) { return (GrantedAccess & DesiredAccess) == DesiredAccess; } /************************************************************************* * RtlAreAnyAccessesGranted [NTDLL.@] * * Check if at least one of the desired accesses is granted * * PARAMS * GrantedAccess [I] Access mask of granted accesses * DesiredAccess [I] Access mask of desired accesses * * RETURNS * TRUE: At least one of the desired accesses is granted * FALSE: Otherwise */ BOOLEAN WINAPI RtlAreAnyAccessesGranted( ACCESS_MASK GrantedAccess, ACCESS_MASK DesiredAccess) { return (GrantedAccess & DesiredAccess) != 0; } /************************************************************************* * RtlMapGenericMask [NTDLL.@] * * Determine the nongeneric access rights specified by an access mask * * RETURNS * Nothing. */ void WINAPI RtlMapGenericMask( PACCESS_MASK AccessMask, const GENERIC_MAPPING *GenericMapping) { if (*AccessMask & GENERIC_READ) { *AccessMask |= GenericMapping->GenericRead; } /* if */ if (*AccessMask & GENERIC_WRITE) { *AccessMask |= GenericMapping->GenericWrite; } /* if */ if (*AccessMask & GENERIC_EXECUTE) { *AccessMask |= GenericMapping->GenericExecute; } /* if */ if (*AccessMask & GENERIC_ALL) { *AccessMask |= GenericMapping->GenericAll; } /* if */ *AccessMask &= 0x0FFFFFFF; } /************************************************************************* * RtlCopyLuid [NTDLL.@] * * Copy a local unique ID. * * PARAMS * LuidDest [O] Destination for the copied Luid * LuidSrc [I] Source Luid to copy to LuidDest * * RETURNS * Nothing. */ void WINAPI RtlCopyLuid (PLUID LuidDest, const LUID *LuidSrc) { *LuidDest = *LuidSrc; } /************************************************************************* * RtlEqualLuid [NTDLL.@] * * Compare two local unique ID's. * * PARAMS * Luid1 [I] First Luid to compare to Luid2 * Luid2 [I] Second Luid to compare to Luid1 * * RETURNS * TRUE: The two LUID's are equal. * FALSE: Otherwise */ BOOLEAN WINAPI RtlEqualLuid (const LUID *Luid1, const LUID *Luid2) { return (Luid1->LowPart == Luid2->LowPart && Luid1->HighPart == Luid2->HighPart); } /************************************************************************* * RtlCopyLuidAndAttributesArray [NTDLL.@] * * Copy an array of local unique ID's and attributes. * * PARAMS * Count [I] Number of Luid/attributes in Src * Src [I] Source Luid/attributes to copy * Dest [O] Destination for copied Luid/attributes * * RETURNS * Nothing. * * NOTES * Dest must be large enough to hold Src. */ void WINAPI RtlCopyLuidAndAttributesArray( ULONG Count, const LUID_AND_ATTRIBUTES *Src, PLUID_AND_ATTRIBUTES Dest) { ULONG i; for (i = 0; i < Count; i++) Dest[i] = Src[i]; } NTSTATUS WINAPI RtlIpv4StringToAddressExW(PULONG IP, PULONG Port, LPCWSTR Buffer, PULONG MaxSize) { FIXME("(%p,%p,%p,%p): stub\n", IP, Port, Buffer, MaxSize); return STATUS_SUCCESS; } NTSTATUS WINAPI RtlIpv4AddressToStringExW (PULONG IP, PULONG Port, LPWSTR Buffer, PULONG MaxSize) { FIXME("(%p,%p,%p,%p): stub\n", IP, Port, Buffer, MaxSize); return STATUS_SUCCESS; } static DWORD_PTR get_pointer_obfuscator( void ) { static DWORD_PTR pointer_obfuscator; if (!pointer_obfuscator) { ULONG seed = NtGetTickCount(); ULONG_PTR rand; /* generate a random value for the obfuscator */ rand = RtlUniform( &seed ); /* handle 64bit pointers */ rand ^= (ULONG_PTR)RtlUniform( &seed ) << ((sizeof (DWORD_PTR) - sizeof (ULONG))*8); /* set the high bits so dereferencing obfuscated pointers will (usually) crash */ rand |= (ULONG_PTR)0xc0000000 << ((sizeof (DWORD_PTR) - sizeof (ULONG))*8); interlocked_cmpxchg_ptr( (void**) &pointer_obfuscator, (void*) rand, NULL ); } return pointer_obfuscator; } /************************************************************************* * RtlEncodePointer [NTDLL.@] */ PVOID WINAPI RtlEncodePointer( PVOID ptr ) { DWORD_PTR ptrval = (DWORD_PTR) ptr; return (PVOID)(ptrval ^ get_pointer_obfuscator()); } PVOID WINAPI RtlDecodePointer( PVOID ptr ) { DWORD_PTR ptrval = (DWORD_PTR) ptr; return (PVOID)(ptrval ^ get_pointer_obfuscator()); } VOID WINAPI RtlInitializeSListHead(PSLIST_HEADER ListHeader) { TRACE("(%p)\n", ListHeader); #ifdef _WIN64 FIXME("stub\n"); #else ListHeader->Alignment = 0; #endif } WORD WINAPI RtlQueryDepthSList(PSLIST_HEADER ListHeader) { TRACE("(%p)\n", ListHeader); #ifdef _WIN64 FIXME("stub\n"); return 0; #else return ListHeader->s.Depth; #endif } PSLIST_ENTRY WINAPI RtlFirstEntrySList(const SLIST_HEADER* ListHeader) { TRACE("(%p)\n", ListHeader); #ifdef _WIN64 FIXME("stub\n"); return NULL; #else return ListHeader->s.Next.Next; #endif } PSLIST_ENTRY WINAPI RtlInterlockedFlushSList(PSLIST_HEADER ListHeader) { SLIST_HEADER oldHeader, newHeader; TRACE("(%p)\n", ListHeader); #ifdef _WIN64 FIXME("stub\n"); return NULL; #else if (ListHeader->s.Depth == 0) return NULL; newHeader.Alignment = 0; do { oldHeader = *ListHeader; newHeader.s.Sequence = ListHeader->s.Sequence + 1; } while (interlocked_cmpxchg64((__int64*)&ListHeader->Alignment, newHeader.Alignment, oldHeader.Alignment) != oldHeader.Alignment); return oldHeader.s.Next.Next; #endif } PSLIST_ENTRY WINAPI RtlInterlockedPushEntrySList(PSLIST_HEADER ListHeader, PSLIST_ENTRY ListEntry) { SLIST_HEADER oldHeader, newHeader; TRACE("(%p, %p)\n", ListHeader, ListEntry); #ifdef _WIN64 FIXME("stub\n"); return NULL; #else newHeader.s.Next.Next = ListEntry; do { oldHeader = *ListHeader; ListEntry->Next = ListHeader->s.Next.Next; newHeader.s.Depth = ListHeader->s.Depth + 1; newHeader.s.Sequence = ListHeader->s.Sequence + 1; } while (interlocked_cmpxchg64((__int64*)&ListHeader->Alignment, newHeader.Alignment, oldHeader.Alignment) != oldHeader.Alignment); return oldHeader.s.Next.Next; #endif } PSLIST_ENTRY WINAPI RtlInterlockedPopEntrySList(PSLIST_HEADER ListHeader) { SLIST_HEADER oldHeader, newHeader; PSLIST_ENTRY entry; TRACE("(%p)\n", ListHeader); #ifdef _WIN64 FIXME("stub\n"); return NULL; #else do { oldHeader = *ListHeader; entry = ListHeader->s.Next.Next; if (entry == NULL) return NULL; /* entry could be deleted by another thread */ __TRY { newHeader.s.Next.Next = entry->Next; newHeader.s.Depth = ListHeader->s.Depth - 1; newHeader.s.Sequence = ListHeader->s.Sequence + 1; } __EXCEPT_PAGE_FAULT { } __ENDTRY } while (interlocked_cmpxchg64((__int64*)&ListHeader->Alignment, newHeader.Alignment, oldHeader.Alignment) != oldHeader.Alignment); return entry; #endif } /************************************************************************* * RtlInterlockedPushListSList [NTDLL.@] */ PSLIST_ENTRY WINAPI RtlInterlockedPushListSList(PSLIST_HEADER ListHeader, PSLIST_ENTRY FirstEntry, PSLIST_ENTRY LastEntry, ULONG Count) { SLIST_HEADER oldHeader, newHeader; TRACE("(%p, %p, %p, %d)\n", ListHeader, FirstEntry, LastEntry, Count); #ifdef _WIN64 FIXME("stub\n"); return NULL; #else newHeader.s.Next.Next = FirstEntry; do { oldHeader = *ListHeader; newHeader.s.Depth = ListHeader->s.Depth + Count; newHeader.s.Sequence = ListHeader->s.Sequence + 1; LastEntry->Next = ListHeader->s.Next.Next; } while (interlocked_cmpxchg64((__int64*)&ListHeader->Alignment, newHeader.Alignment, oldHeader.Alignment) != oldHeader.Alignment); return oldHeader.s.Next.Next; #endif } /****************************************************************************** * RtlGetCompressionWorkSpaceSize [NTDLL.@] */ NTSTATUS WINAPI RtlGetCompressionWorkSpaceSize(USHORT CompressionFormatAndEngine, PULONG CompressBufferWorkSpaceSize, PULONG CompressFragmentWorkSpaceSize) { FIXME("0x%04x, %p, %p: stub!\n", CompressionFormatAndEngine, CompressBufferWorkSpaceSize, CompressFragmentWorkSpaceSize); return STATUS_NOT_IMPLEMENTED; } /****************************************************************************** * RtlCompressBuffer [NTDLL.@] */ NTSTATUS WINAPI RtlCompressBuffer(USHORT CompressionFormatAndEngine, PUCHAR UncompressedBuffer, ULONG UncompressedBufferSize, PUCHAR CompressedBuffer, ULONG CompressedBufferSize, ULONG UncompressedChunkSize, PULONG FinalCompressedSize, PVOID WorkSpace) { FIXME("0x%04x, %p, %u, %p, %u, %u, %p, %p :stub\n", CompressionFormatAndEngine, UncompressedBuffer, UncompressedBufferSize, CompressedBuffer, CompressedBufferSize, UncompressedChunkSize, FinalCompressedSize, WorkSpace); return STATUS_NOT_IMPLEMENTED; } /****************************************************************************** * RtlDecompressBuffer [NTDLL.@] */ NTSTATUS WINAPI RtlDecompressBuffer(USHORT CompressionFormat, PUCHAR UncompressedBuffer, ULONG UncompressedBufferSize, PUCHAR CompressedBuffer, ULONG CompressedBufferSize, PULONG FinalUncompressedSize) { FIXME("0x%04x, %p, %u, %p, %u, %p :stub\n", CompressionFormat, UncompressedBuffer, UncompressedBufferSize, CompressedBuffer, CompressedBufferSize, FinalUncompressedSize); return STATUS_NOT_IMPLEMENTED; }