/* * 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 #include #include #include #ifdef HAVE_NETINET_IN_H #include #endif #include "ntstatus.h" #define NONAMELESSUNION #define NONAMELESSSTRUCT #define WIN32_NO_STATUS #define USE_WS_PREFIX #include "windef.h" #include "winternl.h" #include "wine/debug.h" #include "wine/exception.h" #include "ntdll_misc.h" #include "inaddr.h" #include "in6addr.h" #include "ddk/ntddk.h" WINE_DEFAULT_DEBUG_CHANNEL(ntdll); /* 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 }; static const int hex_table[] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 0x00-0x0F */ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 0x10-0x1F */ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 0x20-0x2F */ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, -1, -1, -1, -1, -1, /* 0x30-0x3F */ -1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 0x40-0x4F */ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 0x50-0x5F */ -1, 10, 11, 12, 13, 14, 15 /* 0x60-0x66 */ }; #if defined(_WIN64) && !defined(_MSC_VER) static inline unsigned char _InterlockedCompareExchange128(__int64 *dest, __int64 xchg_high, __int64 xchg_low, __int64 *compare) { unsigned char ret; #ifdef __x86_64__ __asm__ __volatile__( "lock cmpxchg16b %0; setz %b2" : "=m" (dest[0]), "=m" (dest[1]), "=r" (ret), "=a" (compare[0]), "=d" (compare[1]) : "m" (dest[0]), "m" (dest[1]), "3" (compare[0]), "4" (compare[1]), "c" (xchg_high), "b" (xchg_low) ); #else ret = __sync_bool_compare_and_swap( (__int128 *)dest, *(__int128 *)compare, ((__int128)xchg_high << 64) | xchg_low ); #endif return ret; } #endif /* * 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 ) ERR("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( NtCurrentTeb()->Peb->FastPebLock ); } /****************************************************************************** * RtlReleasePebLock [NTDLL.@] */ VOID WINAPI RtlReleasePebLock(void) { RtlLeaveCriticalSection( NtCurrentTeb()->Peb->FastPebLock ); } /****************************************************************************** * 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; } /****************************************************************************** * RtlInitializeGenericTable [NTDLL.@] */ void WINAPI RtlInitializeGenericTable(RTL_GENERIC_TABLE *table, PRTL_GENERIC_COMPARE_ROUTINE compare, PRTL_GENERIC_ALLOCATE_ROUTINE allocate, PRTL_GENERIC_FREE_ROUTINE free, void *context) { FIXME("(%p, %p, %p, %p, %p) stub!\n", table, compare, allocate, free, context); } /****************************************************************************** * RtlEnumerateGenericTableWithoutSplaying [NTDLL.@] */ void * RtlEnumerateGenericTableWithoutSplaying(RTL_GENERIC_TABLE *table, void *previous) { static int warn_once; if (!warn_once++) FIXME("(%p, %p) stub!\n", table, previous); return NULL; } /****************************************************************************** * RtlNumberGenericTableElements [NTDLL.@] */ ULONG RtlNumberGenericTableElements(RTL_GENERIC_TABLE *table) { FIXME("(%p) stub!\n", table); return 0; } /****************************************************************************** * 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 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); } /************************************************************************* * RtlRandomEx [NTDLL.@] */ ULONG WINAPI RtlRandomEx( ULONG *seed ) { WARN( "semi-stub: should use a different algorithm\n" ); return RtlRandom( seed ); } /************************************************************************* * 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 IDs. * * PARAMS * Luid1 [I] First Luid to compare to Luid2 * Luid2 [I] Second Luid to compare to Luid1 * * RETURNS * TRUE: The two LUIDs 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 IDs 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]; } static BOOL parse_ipv4_component(const WCHAR **str, BOOL strict, ULONG *value) { int base = 10, d; WCHAR c; ULONG cur_value, prev_value = 0; BOOL success = FALSE; if (**str == '.') { *str += 1; return FALSE; } if ((*str)[0] == '0') { if ((*str)[1] == 'x' || (*str)[1] == 'X') { *str += 2; if (strict) return FALSE; base = 16; } else if ((*str)[1] >= '0' && (*str)[1] <= '9') { *str += 1; if (strict) return FALSE; base = 8; } } for (cur_value = 0; **str; *str += 1) { c = **str; if (c >= ARRAY_SIZE(hex_table)) break; d = hex_table[c]; if (d == -1 || d >= base) break; cur_value = cur_value * base + d; success = TRUE; if (cur_value < prev_value) return FALSE; /* overflow */ prev_value = cur_value; } if (success) *value = cur_value; return success; } static NTSTATUS ipv4_string_to_address(const WCHAR *str, BOOL strict, const WCHAR **terminator, IN_ADDR *address, USHORT *port) { ULONG fields[4]; int n = 0; for (;;) { if (!parse_ipv4_component(&str, strict, &fields[n])) goto error; n++; if (*str != '.') break; if (n == 4) goto error; str++; } if (strict && n < 4) goto error; switch (n) { case 4: if (fields[0] > 0xFF || fields[1] > 0xFF || fields[2] > 0xFF || fields[3] > 0xFF) goto error; address->S_un.S_un_b.s_b1 = fields[0]; address->S_un.S_un_b.s_b2 = fields[1]; address->S_un.S_un_b.s_b3 = fields[2]; address->S_un.S_un_b.s_b4 = fields[3]; break; case 3: if (fields[0] > 0xFF || fields[1] > 0xFF || fields[2] > 0xFFFF) goto error; address->S_un.S_un_b.s_b1 = fields[0]; address->S_un.S_un_b.s_b2 = fields[1]; address->S_un.S_un_b.s_b3 = (fields[2] & 0xFF00) >> 8; address->S_un.S_un_b.s_b4 = (fields[2] & 0x00FF); break; case 2: if (fields[0] > 0xFF || fields[1] > 0xFFFFFF) goto error; address->S_un.S_un_b.s_b1 = fields[0]; address->S_un.S_un_b.s_b2 = (fields[1] & 0xFF0000) >> 16; address->S_un.S_un_b.s_b3 = (fields[1] & 0x00FF00) >> 8; address->S_un.S_un_b.s_b4 = (fields[1] & 0x0000FF); break; case 1: address->S_un.S_un_b.s_b1 = (fields[0] & 0xFF000000) >> 24; address->S_un.S_un_b.s_b2 = (fields[0] & 0x00FF0000) >> 16; address->S_un.S_un_b.s_b3 = (fields[0] & 0x0000FF00) >> 8; address->S_un.S_un_b.s_b4 = (fields[0] & 0x000000FF); break; default: goto error; } if (terminator) *terminator = str; if (*str == ':') { str++; if (!parse_ipv4_component(&str, FALSE, &fields[0])) goto error; if (!fields[0] || fields[0] > 0xFFFF || *str) goto error; if (port) { *port = htons(fields[0]); if (terminator) *terminator = str; } } if (!terminator && *str) return STATUS_INVALID_PARAMETER; return STATUS_SUCCESS; error: if (terminator) *terminator = str; return STATUS_INVALID_PARAMETER; } /*********************************************************************** * RtlIpv4StringToAddressExW [NTDLL.@] */ NTSTATUS WINAPI RtlIpv4StringToAddressExW(const WCHAR *str, BOOLEAN strict, IN_ADDR *address, USHORT *port) { TRACE("(%s, %u, %p, %p)\n", debugstr_w(str), strict, address, port); if (!str || !address || !port) return STATUS_INVALID_PARAMETER; return ipv4_string_to_address(str, strict, NULL, address, port); } /*********************************************************************** * RtlIpv4StringToAddressW [NTDLL.@] */ NTSTATUS WINAPI RtlIpv4StringToAddressW(const WCHAR *str, BOOLEAN strict, const WCHAR **terminator, IN_ADDR *address) { TRACE("(%s, %u, %p, %p)\n", debugstr_w(str), strict, terminator, address); return ipv4_string_to_address(str, strict, terminator, address, NULL); } /*********************************************************************** * RtlIpv4StringToAddressExA [NTDLL.@] */ NTSTATUS WINAPI RtlIpv4StringToAddressExA(const char *str, BOOLEAN strict, IN_ADDR *address, USHORT *port) { WCHAR wstr[32]; TRACE("(%s, %u, %p, %p)\n", debugstr_a(str), strict, address, port); if (!str || !address || !port) return STATUS_INVALID_PARAMETER; RtlMultiByteToUnicodeN(wstr, sizeof(wstr), NULL, str, strlen(str) + 1); wstr[ARRAY_SIZE(wstr) - 1] = 0; return ipv4_string_to_address(wstr, strict, NULL, address, port); } /*********************************************************************** * RtlIpv4StringToAddressA [NTDLL.@] */ NTSTATUS WINAPI RtlIpv4StringToAddressA(const char *str, BOOLEAN strict, const char **terminator, IN_ADDR *address) { WCHAR wstr[32]; const WCHAR *wterminator; NTSTATUS ret; TRACE("(%s, %u, %p, %p)\n", debugstr_a(str), strict, terminator, address); RtlMultiByteToUnicodeN(wstr, sizeof(wstr), NULL, str, strlen(str) + 1); wstr[ARRAY_SIZE(wstr) - 1] = 0; ret = ipv4_string_to_address(wstr, strict, &wterminator, address, NULL); if (terminator) *terminator = str + (wterminator - wstr); return ret; } static BOOL parse_ipv6_component(const WCHAR **str, int base, ULONG *value) { WCHAR *terminator; if (**str >= ARRAY_SIZE(hex_table) || hex_table[**str] == -1) return FALSE; *value = min(wcstoul(*str, &terminator, base), 0x7FFFFFFF); if (*terminator == '0') terminator++; /* "0x" but nothing valid after */ else if (terminator == *str) return FALSE; *str = terminator; return TRUE; } static NTSTATUS ipv6_string_to_address(const WCHAR *str, BOOL ex, const WCHAR **terminator, IN6_ADDR *address, ULONG *scope, USHORT *port) { BOOL expecting_port = FALSE, has_0x = FALSE, too_big = FALSE; int n_bytes = 0, n_ipv4_bytes = 0, gap = -1; ULONG ip_component, scope_component = 0, port_component = 0; const WCHAR *prev_str; if (str[0] == '[') { if (!ex) goto error; expecting_port = TRUE; str++; } if (str[0] == ':') { if (str[1] != ':') goto error; str++; /* Windows bug: a double colon at the beginning is treated as 4 bytes of zeros instead of 2 */ address->u.Word[0] = 0; n_bytes = 2; } for (;;) { if (!n_ipv4_bytes && *str == ':') { /* double colon */ if (gap != -1) goto error; str++; prev_str = str; gap = n_bytes; if (n_bytes == 14 || !parse_ipv6_component(&str, 16, &ip_component)) break; str = prev_str; } else { prev_str = str; } if (!n_ipv4_bytes && n_bytes <= (gap != -1 ? 10 : 12)) { if (parse_ipv6_component(&str, 10, &ip_component) && *str == '.') n_ipv4_bytes = 1; str = prev_str; } if (n_ipv4_bytes) { /* IPv4 component */ if (!parse_ipv6_component(&str, 10, &ip_component)) goto error; if (str - prev_str > 3 || ip_component > 255) { too_big = TRUE; } else { if (*str != '.' && (n_ipv4_bytes < 4 || (n_bytes < 15 && gap == -1))) goto error; address->u.Byte[n_bytes] = ip_component; n_bytes++; } if (n_ipv4_bytes == 4 || *str != '.') break; n_ipv4_bytes++; } else { /* IPv6 component */ if (!parse_ipv6_component(&str, 16, &ip_component)) goto error; if (prev_str[0] == '0' && (prev_str[1] == 'x' || prev_str[1] == 'X')) { /* Windows "feature": the last IPv6 component can start with "0x" and be longer than 4 digits */ if (terminator) *terminator = prev_str + 1; /* Windows says that the "x" is the terminator */ if (n_bytes < 14 && gap == -1) return STATUS_INVALID_PARAMETER; address->u.Word[n_bytes/2] = htons(ip_component); n_bytes += 2; has_0x = TRUE; goto fill_gap; } if (*str != ':' && n_bytes < 14 && gap == -1) goto error; if (str - prev_str > 4) too_big = TRUE; else address->u.Word[n_bytes/2] = htons(ip_component); n_bytes += 2; if (*str != ':' || (gap != -1 && str[1] == ':')) break; } if (n_bytes == (gap != -1 ? 14 : 16)) break; if (too_big) return STATUS_INVALID_PARAMETER; str++; } if (terminator) *terminator = str; if (too_big) return STATUS_INVALID_PARAMETER; fill_gap: if (gap == -1) { if (n_bytes < 16) goto error; } else { memmove(address->u.Byte + 16 - (n_bytes - gap), address->u.Byte + gap, n_bytes - gap); memset(address->u.Byte + gap, 0, 16 - n_bytes); } if (ex) { if (has_0x) goto error; if (*str == '%') { str++; if (!parse_ipv4_component(&str, TRUE, &scope_component)) goto error; } if (expecting_port) { if (*str != ']') goto error; str++; if (*str == ':') { str++; if (!parse_ipv4_component(&str, FALSE, &port_component)) goto error; if (!port_component || port_component > 0xFFFF || *str) goto error; port_component = htons(port_component); } } } if (!terminator && *str) return STATUS_INVALID_PARAMETER; if (scope) *scope = scope_component; if (port) *port = port_component; return STATUS_SUCCESS; error: if (terminator) *terminator = str; return STATUS_INVALID_PARAMETER; } /*********************************************************************** * RtlIpv6StringToAddressExW [NTDLL.@] */ NTSTATUS NTAPI RtlIpv6StringToAddressExW(const WCHAR *str, IN6_ADDR *address, ULONG *scope, USHORT *port) { TRACE("(%s, %p, %p, %p)\n", debugstr_w(str), address, scope, port); if (!str || !address || !scope || !port) return STATUS_INVALID_PARAMETER; return ipv6_string_to_address(str, TRUE, NULL, address, scope, port); } /*********************************************************************** * RtlIpv6StringToAddressW [NTDLL.@] */ NTSTATUS WINAPI RtlIpv6StringToAddressW(const WCHAR *str, const WCHAR **terminator, IN6_ADDR *address) { TRACE("(%s, %p, %p)\n", debugstr_w(str), terminator, address); return ipv6_string_to_address(str, FALSE, terminator, address, NULL, NULL); } /*********************************************************************** * RtlIpv6StringToAddressExA [NTDLL.@] */ NTSTATUS WINAPI RtlIpv6StringToAddressExA(const char *str, IN6_ADDR *address, ULONG *scope, USHORT *port) { WCHAR wstr[128]; TRACE("(%s, %p, %p, %p)\n", debugstr_a(str), address, scope, port); if (!str || !address || !scope || !port) return STATUS_INVALID_PARAMETER; RtlMultiByteToUnicodeN(wstr, sizeof(wstr), NULL, str, strlen(str) + 1); wstr[ARRAY_SIZE(wstr) - 1] = 0; return ipv6_string_to_address(wstr, TRUE, NULL, address, scope, port); } /*********************************************************************** * RtlIpv6StringToAddressA [NTDLL.@] */ NTSTATUS WINAPI RtlIpv6StringToAddressA(const char *str, const char **terminator, IN6_ADDR *address) { WCHAR wstr[128]; const WCHAR *wterminator = NULL; NTSTATUS ret; TRACE("(%s, %p, %p)\n", debugstr_a(str), terminator, address); RtlMultiByteToUnicodeN(wstr, sizeof(wstr), NULL, str, strlen(str) + 1); wstr[ARRAY_SIZE(wstr) - 1] = 0; ret = ipv6_string_to_address(wstr, FALSE, &wterminator, address, NULL, NULL); if (terminator && wterminator) *terminator = str + (wterminator - wstr); return ret; } /*********************************************************************** * RtlIpv4AddressToStringExW [NTDLL.@] * * Convert the given ipv4 address and optional the port to a string * * PARAMS * pin [I] PTR to the ip address to convert (network byte order) * port [I] optional port to convert (network byte order) * buffer [O] destination buffer for the result * psize [IO] PTR to available/used size of the destination buffer * * RETURNS * Success: STATUS_SUCCESS * Failure: STATUS_INVALID_PARAMETER * */ NTSTATUS WINAPI RtlIpv4AddressToStringExW(const IN_ADDR *pin, USHORT port, LPWSTR buffer, PULONG psize) { WCHAR tmp_ip[32]; static const WCHAR fmt_ip[] = {'%','u','.','%','u','.','%','u','.','%','u',0}; static const WCHAR fmt_port[] = {':','%','u',0}; ULONG needed; if (!pin || !buffer || !psize) return STATUS_INVALID_PARAMETER; TRACE("(%p:0x%x, %d, %p, %p:%d)\n", pin, pin->S_un.S_addr, port, buffer, psize, *psize); needed = NTDLL_swprintf(tmp_ip, fmt_ip, pin->S_un.S_un_b.s_b1, pin->S_un.S_un_b.s_b2, pin->S_un.S_un_b.s_b3, pin->S_un.S_un_b.s_b4); if (port) needed += NTDLL_swprintf(tmp_ip + needed, fmt_port, ntohs(port)); if (*psize > needed) { *psize = needed + 1; wcscpy(buffer, tmp_ip); return STATUS_SUCCESS; } *psize = needed + 1; return STATUS_INVALID_PARAMETER; } /*********************************************************************** * RtlIpv4AddressToStringExA [NTDLL.@] * * Convert the given ipv4 address and optional the port to a string * * See RtlIpv4AddressToStringExW */ NTSTATUS WINAPI RtlIpv4AddressToStringExA(const IN_ADDR *pin, USHORT port, LPSTR buffer, PULONG psize) { CHAR tmp_ip[32]; ULONG needed; if (!pin || !buffer || !psize) return STATUS_INVALID_PARAMETER; TRACE("(%p:0x%x, %d, %p, %p:%d)\n", pin, pin->S_un.S_addr, port, buffer, psize, *psize); needed = sprintf(tmp_ip, "%u.%u.%u.%u", pin->S_un.S_un_b.s_b1, pin->S_un.S_un_b.s_b2, pin->S_un.S_un_b.s_b3, pin->S_un.S_un_b.s_b4); if (port) needed += sprintf(tmp_ip + needed, ":%u", ntohs(port)); if (*psize > needed) { *psize = needed + 1; strcpy(buffer, tmp_ip); return STATUS_SUCCESS; } *psize = needed + 1; return STATUS_INVALID_PARAMETER; } /*********************************************************************** * RtlIpv4AddressToStringW [NTDLL.@] * * Convert the given ipv4 address to a string * * PARAMS * pin [I] PTR to the ip address to convert (network byte order) * buffer [O] destination buffer for the result (at least 16 character) * * RETURNS * PTR to the 0 character at the end of the converted string * */ WCHAR * WINAPI RtlIpv4AddressToStringW(const IN_ADDR *pin, LPWSTR buffer) { ULONG size = 16; if (RtlIpv4AddressToStringExW(pin, 0, buffer, &size)) size = 0; return buffer + size - 1; } /*********************************************************************** * RtlIpv4AddressToStringA [NTDLL.@] * * Convert the given ipv4 address to a string * * See RtlIpv4AddressToStringW */ CHAR * WINAPI RtlIpv4AddressToStringA(const IN_ADDR *pin, LPSTR buffer) { ULONG size = 16; if (RtlIpv4AddressToStringExA(pin, 0, buffer, &size)) size = 0; return buffer + size - 1; } static BOOL is_ipv4_in_ipv6(const IN6_ADDR *address) { if (address->s6_words[5] == htons(0x5efe) && (address->s6_words[4] & ~htons(0x200)) == 0) return TRUE; if (*(UINT64 *)address != 0) return FALSE; if (address->s6_words[4] != 0 && address->s6_words[4] != 0xffff) return FALSE; if (address->s6_words[4] == 0 && address->s6_words[5] != 0 && address->s6_words[5] != 0xffff) return FALSE; if (address->s6_words[4] == 0xffff && address->s6_words[5] != 0) return FALSE; if (address->s6_words[6] == 0) return FALSE; return TRUE; } /*********************************************************************** * RtlIpv6AddressToStringExA [NTDLL.@] */ NTSTATUS WINAPI RtlIpv6AddressToStringExA(const IN6_ADDR *address, ULONG scope, USHORT port, char *str, ULONG *size) { char buffer[64], *p = buffer; int i, len, gap = -1, gap_len = 1, ipv6_end = 8; ULONG needed; NTSTATUS ret; TRACE("(%p %u %u %p %p)\n", address, scope, port, str, size); if (!address || !str || !size) return STATUS_INVALID_PARAMETER; if (is_ipv4_in_ipv6(address)) ipv6_end = 6; for (i = 0; i < ipv6_end; i++) { len = 0; while (!address->s6_words[i] && i < ipv6_end) { i++; len++; } if (len > gap_len) { gap = i - len; gap_len = len; } } if (port) p += sprintf(p, "["); i = 0; while (i < ipv6_end) { if (i == gap) { p += sprintf(p, ":"); i += gap_len; if (i == ipv6_end) p += sprintf(p, ":"); continue; } if (i > 0) p += sprintf(p, ":"); p += sprintf(p, "%x", ntohs(address->s6_words[i])); i++; } if (ipv6_end == 6) { if (p[-1] != ':') p += sprintf(p, ":"); p = RtlIpv4AddressToStringA((IN_ADDR *)(address->s6_words + 6), p); } if (scope) p += sprintf(p, "%%%u", scope); if (port) p += sprintf(p, "]:%u", ntohs(port)); needed = p - buffer + 1; if (*size >= needed) { strcpy(str, buffer); ret = STATUS_SUCCESS; } else { ret = STATUS_INVALID_PARAMETER; } *size = needed; return ret; } /*********************************************************************** * RtlIpv6AddressToStringA [NTDLL.@] */ char * WINAPI RtlIpv6AddressToStringA(const IN6_ADDR *address, char *str) { ULONG size = 46; if (!address || !str) return str - 1; str[45] = 0; /* this byte is set even though the string is always shorter */ RtlIpv6AddressToStringExA(address, 0, 0, str, &size); return str + size - 1; } /*********************************************************************** * RtlIpv6AddressToStringExW [NTDLL.@] */ NTSTATUS WINAPI RtlIpv6AddressToStringExW(const IN6_ADDR *address, ULONG scope, USHORT port, WCHAR *str, ULONG *size) { char cstr[64]; NTSTATUS ret = RtlIpv6AddressToStringExA(address, scope, port, cstr, size); if (ret == STATUS_SUCCESS) RtlMultiByteToUnicodeN(str, *size * sizeof(WCHAR), NULL, cstr, *size); return ret; } /*********************************************************************** * RtlIpv6AddressToStringW [NTDLL.@] */ WCHAR * WINAPI RtlIpv6AddressToStringW(const IN6_ADDR *address, WCHAR *str) { ULONG size = 46; if (!address || !str) return str; str[45] = 0; /* this word is set even though the string is always shorter */ if (RtlIpv6AddressToStringExW(address, 0, 0, str, &size) != STATUS_SUCCESS) return str; return str + size - 1; } /*********************************************************************** * get_pointer_obfuscator (internal) */ 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); InterlockedCompareExchangePointer( (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()); } /************************************************************************* * RtlInitializeSListHead [NTDLL.@] */ VOID WINAPI RtlInitializeSListHead(PSLIST_HEADER list) { #ifdef _WIN64 list->s.Alignment = list->s.Region = 0; list->Header16.HeaderType = 1; /* we use the 16-byte header */ #else list->Alignment = 0; #endif } /************************************************************************* * RtlQueryDepthSList [NTDLL.@] */ WORD WINAPI RtlQueryDepthSList(PSLIST_HEADER list) { #ifdef _WIN64 return list->Header16.Depth; #else return list->s.Depth; #endif } /************************************************************************* * RtlFirstEntrySList [NTDLL.@] */ PSLIST_ENTRY WINAPI RtlFirstEntrySList(const SLIST_HEADER* list) { #ifdef _WIN64 return (SLIST_ENTRY *)((ULONG_PTR)list->Header16.NextEntry << 4); #else return list->s.Next.Next; #endif } /************************************************************************* * RtlInterlockedFlushSList [NTDLL.@] */ PSLIST_ENTRY WINAPI RtlInterlockedFlushSList(PSLIST_HEADER list) { SLIST_HEADER old, new; #ifdef _WIN64 if (!list->Header16.NextEntry) return NULL; new.s.Alignment = new.s.Region = 0; new.Header16.HeaderType = 1; /* we use the 16-byte header */ do { old = *list; new.Header16.Sequence = old.Header16.Sequence + 1; } while (!_InterlockedCompareExchange128((__int64 *)list, new.s.Region, new.s.Alignment, (__int64 *)&old)); return (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4); #else if (!list->s.Next.Next) return NULL; new.Alignment = 0; do { old = *list; new.s.Sequence = old.s.Sequence + 1; } while (InterlockedCompareExchange64((__int64 *)&list->Alignment, new.Alignment, old.Alignment) != old.Alignment); return old.s.Next.Next; #endif } /************************************************************************* * RtlInterlockedPushEntrySList [NTDLL.@] */ PSLIST_ENTRY WINAPI RtlInterlockedPushEntrySList(PSLIST_HEADER list, PSLIST_ENTRY entry) { SLIST_HEADER old, new; #ifdef _WIN64 new.Header16.NextEntry = (ULONG_PTR)entry >> 4; do { old = *list; entry->Next = (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4); new.Header16.Depth = old.Header16.Depth + 1; new.Header16.Sequence = old.Header16.Sequence + 1; } while (!_InterlockedCompareExchange128((__int64 *)list, new.s.Region, new.s.Alignment, (__int64 *)&old)); return (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4); #else new.s.Next.Next = entry; do { old = *list; entry->Next = old.s.Next.Next; new.s.Depth = old.s.Depth + 1; new.s.Sequence = old.s.Sequence + 1; } while (InterlockedCompareExchange64((__int64 *)&list->Alignment, new.Alignment, old.Alignment) != old.Alignment); return old.s.Next.Next; #endif } /************************************************************************* * RtlInterlockedPopEntrySList [NTDLL.@] */ PSLIST_ENTRY WINAPI RtlInterlockedPopEntrySList(PSLIST_HEADER list) { SLIST_HEADER old, new; PSLIST_ENTRY entry; #ifdef _WIN64 do { old = *list; if (!(entry = (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4))) return NULL; /* entry could be deleted by another thread */ __TRY { new.Header16.NextEntry = (ULONG_PTR)entry->Next >> 4; new.Header16.Depth = old.Header16.Depth - 1; new.Header16.Sequence = old.Header16.Sequence + 1; } __EXCEPT_PAGE_FAULT { } __ENDTRY } while (!_InterlockedCompareExchange128((__int64 *)list, new.s.Region, new.s.Alignment, (__int64 *)&old)); #else do { old = *list; if (!(entry = old.s.Next.Next)) return NULL; /* entry could be deleted by another thread */ __TRY { new.s.Next.Next = entry->Next; new.s.Depth = old.s.Depth - 1; new.s.Sequence = old.s.Sequence + 1; } __EXCEPT_PAGE_FAULT { } __ENDTRY } while (InterlockedCompareExchange64((__int64 *)&list->Alignment, new.Alignment, old.Alignment) != old.Alignment); #endif return entry; } /************************************************************************* * RtlInterlockedPushListSListEx [NTDLL.@] */ PSLIST_ENTRY WINAPI RtlInterlockedPushListSListEx(PSLIST_HEADER list, PSLIST_ENTRY first, PSLIST_ENTRY last, ULONG count) { SLIST_HEADER old, new; #ifdef _WIN64 new.Header16.NextEntry = (ULONG_PTR)first >> 4; do { old = *list; new.Header16.Depth = old.Header16.Depth + count; new.Header16.Sequence = old.Header16.Sequence + 1; last->Next = (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4); } while (!_InterlockedCompareExchange128((__int64 *)list, new.s.Region, new.s.Alignment, (__int64 *)&old)); return (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4); #else new.s.Next.Next = first; do { old = *list; new.s.Depth = old.s.Depth + count; new.s.Sequence = old.s.Sequence + 1; last->Next = old.s.Next.Next; } while (InterlockedCompareExchange64((__int64 *)&list->Alignment, new.Alignment, old.Alignment) != old.Alignment); return old.s.Next.Next; #endif } /************************************************************************* * RtlInterlockedPushListSList [NTDLL.@] */ DEFINE_FASTCALL_WRAPPER(RtlInterlockedPushListSList, 16) PSLIST_ENTRY FASTCALL RtlInterlockedPushListSList(PSLIST_HEADER list, PSLIST_ENTRY first, PSLIST_ENTRY last, ULONG count) { return RtlInterlockedPushListSListEx(list, first, last, count); } /****************************************************************************** * RtlGetCompressionWorkSpaceSize [NTDLL.@] */ NTSTATUS WINAPI RtlGetCompressionWorkSpaceSize(USHORT format, PULONG compress_workspace, PULONG decompress_workspace) { FIXME("0x%04x, %p, %p: semi-stub\n", format, compress_workspace, decompress_workspace); switch (format & ~COMPRESSION_ENGINE_MAXIMUM) { case COMPRESSION_FORMAT_LZNT1: if (compress_workspace) { /* FIXME: The current implementation of RtlCompressBuffer does not use a * workspace buffer, but Windows applications might expect a nonzero value. */ *compress_workspace = 16; } if (decompress_workspace) *decompress_workspace = 0x1000; return STATUS_SUCCESS; case COMPRESSION_FORMAT_NONE: case COMPRESSION_FORMAT_DEFAULT: return STATUS_INVALID_PARAMETER; default: FIXME("format %u not implemented\n", format); return STATUS_UNSUPPORTED_COMPRESSION; } } /* compress data using LZNT1, currently only a stub */ static NTSTATUS lznt1_compress(UCHAR *src, ULONG src_size, UCHAR *dst, ULONG dst_size, ULONG chunk_size, ULONG *final_size, UCHAR *workspace) { UCHAR *src_cur = src, *src_end = src + src_size; UCHAR *dst_cur = dst, *dst_end = dst + dst_size; ULONG block_size; while (src_cur < src_end) { /* determine size of current chunk */ block_size = min(0x1000, src_end - src_cur); if (dst_cur + sizeof(WORD) + block_size > dst_end) return STATUS_BUFFER_TOO_SMALL; /* write (uncompressed) chunk header */ *(WORD *)dst_cur = 0x3000 | (block_size - 1); dst_cur += sizeof(WORD); /* write chunk content */ memcpy(dst_cur, src_cur, block_size); dst_cur += block_size; src_cur += block_size; } if (final_size) *final_size = dst_cur - dst; return STATUS_SUCCESS; } /****************************************************************************** * RtlCompressBuffer [NTDLL.@] */ NTSTATUS WINAPI RtlCompressBuffer(USHORT format, PUCHAR uncompressed, ULONG uncompressed_size, PUCHAR compressed, ULONG compressed_size, ULONG chunk_size, PULONG final_size, PVOID workspace) { FIXME("0x%04x, %p, %u, %p, %u, %u, %p, %p: semi-stub\n", format, uncompressed, uncompressed_size, compressed, compressed_size, chunk_size, final_size, workspace); switch (format & ~COMPRESSION_ENGINE_MAXIMUM) { case COMPRESSION_FORMAT_LZNT1: return lznt1_compress(uncompressed, uncompressed_size, compressed, compressed_size, chunk_size, final_size, workspace); case COMPRESSION_FORMAT_NONE: case COMPRESSION_FORMAT_DEFAULT: return STATUS_INVALID_PARAMETER; default: FIXME("format %u not implemented\n", format); return STATUS_UNSUPPORTED_COMPRESSION; } } /* decompress a single LZNT1 chunk */ static UCHAR *lznt1_decompress_chunk(UCHAR *dst, ULONG dst_size, UCHAR *src, ULONG src_size) { UCHAR *src_cur = src, *src_end = src + src_size; UCHAR *dst_cur = dst, *dst_end = dst + dst_size; ULONG displacement_bits, length_bits; ULONG code_displacement, code_length; WORD flags, code; while (src_cur < src_end && dst_cur < dst_end) { flags = 0x8000 | *src_cur++; while ((flags & 0xff00) && src_cur < src_end) { if (flags & 1) { /* backwards reference */ if (src_cur + sizeof(WORD) > src_end) return NULL; code = *(WORD *)src_cur; src_cur += sizeof(WORD); /* find length / displacement bits */ for (displacement_bits = 12; displacement_bits > 4; displacement_bits--) if ((1 << (displacement_bits - 1)) < dst_cur - dst) break; length_bits = 16 - displacement_bits; code_length = (code & ((1 << length_bits) - 1)) + 3; code_displacement = (code >> length_bits) + 1; if (dst_cur < dst + code_displacement) return NULL; /* copy bytes of chunk - we can't use memcpy() since source and dest can * be overlapping, and the same bytes can be repeated over and over again */ while (code_length--) { if (dst_cur >= dst_end) return dst_cur; *dst_cur = *(dst_cur - code_displacement); dst_cur++; } } else { /* uncompressed data */ if (dst_cur >= dst_end) return dst_cur; *dst_cur++ = *src_cur++; } flags >>= 1; } } return dst_cur; } /* decompress data encoded with LZNT1 */ static NTSTATUS lznt1_decompress(UCHAR *dst, ULONG dst_size, UCHAR *src, ULONG src_size, ULONG offset, ULONG *final_size, UCHAR *workspace) { UCHAR *src_cur = src, *src_end = src + src_size; UCHAR *dst_cur = dst, *dst_end = dst + dst_size; ULONG chunk_size, block_size; WORD chunk_header; UCHAR *ptr; if (src_cur + sizeof(WORD) > src_end) return STATUS_BAD_COMPRESSION_BUFFER; /* skip over chunks with a distance >= 0x1000 to the destination offset */ while (offset >= 0x1000 && src_cur + sizeof(WORD) <= src_end) { chunk_header = *(WORD *)src_cur; src_cur += sizeof(WORD); if (!chunk_header) goto out; chunk_size = (chunk_header & 0xfff) + 1; if (src_cur + chunk_size > src_end) return STATUS_BAD_COMPRESSION_BUFFER; src_cur += chunk_size; offset -= 0x1000; } /* handle partially included chunk */ if (offset && src_cur + sizeof(WORD) <= src_end) { chunk_header = *(WORD *)src_cur; src_cur += sizeof(WORD); if (!chunk_header) goto out; chunk_size = (chunk_header & 0xfff) + 1; if (src_cur + chunk_size > src_end) return STATUS_BAD_COMPRESSION_BUFFER; if (dst_cur >= dst_end) goto out; if (chunk_header & 0x8000) { /* compressed chunk */ if (!workspace) return STATUS_ACCESS_VIOLATION; ptr = lznt1_decompress_chunk(workspace, 0x1000, src_cur, chunk_size); if (!ptr) return STATUS_BAD_COMPRESSION_BUFFER; if (ptr - workspace > offset) { block_size = min((ptr - workspace) - offset, dst_end - dst_cur); memcpy(dst_cur, workspace + offset, block_size); dst_cur += block_size; } } else { /* uncompressed chunk */ if (chunk_size > offset) { block_size = min(chunk_size - offset, dst_end - dst_cur); memcpy(dst_cur, src_cur + offset, block_size); dst_cur += block_size; } } src_cur += chunk_size; } /* handle remaining chunks */ while (src_cur + sizeof(WORD) <= src_end) { chunk_header = *(WORD *)src_cur; src_cur += sizeof(WORD); if (!chunk_header) goto out; chunk_size = (chunk_header & 0xfff) + 1; if (src_cur + chunk_size > src_end) return STATUS_BAD_COMPRESSION_BUFFER; /* fill space with padding when the previous chunk was decompressed * to less than 4096 bytes. no padding is needed for the last chunk * or when the next chunk is truncated */ block_size = ((dst_cur - dst) + offset) & 0xfff; if (block_size) { block_size = 0x1000 - block_size; if (dst_cur + block_size >= dst_end) goto out; memset(dst_cur, 0, block_size); dst_cur += block_size; } if (dst_cur >= dst_end) goto out; if (chunk_header & 0x8000) { /* compressed chunk */ dst_cur = lznt1_decompress_chunk(dst_cur, dst_end - dst_cur, src_cur, chunk_size); if (!dst_cur) return STATUS_BAD_COMPRESSION_BUFFER; } else { /* uncompressed chunk */ block_size = min(chunk_size, dst_end - dst_cur); memcpy(dst_cur, src_cur, block_size); dst_cur += block_size; } src_cur += chunk_size; } out: if (final_size) *final_size = dst_cur - dst; return STATUS_SUCCESS; } /****************************************************************************** * RtlDecompressFragment [NTDLL.@] */ NTSTATUS WINAPI RtlDecompressFragment(USHORT format, PUCHAR uncompressed, ULONG uncompressed_size, PUCHAR compressed, ULONG compressed_size, ULONG offset, PULONG final_size, PVOID workspace) { TRACE("0x%04x, %p, %u, %p, %u, %u, %p, %p\n", format, uncompressed, uncompressed_size, compressed, compressed_size, offset, final_size, workspace); switch (format & ~COMPRESSION_ENGINE_MAXIMUM) { case COMPRESSION_FORMAT_LZNT1: return lznt1_decompress(uncompressed, uncompressed_size, compressed, compressed_size, offset, final_size, workspace); case COMPRESSION_FORMAT_NONE: case COMPRESSION_FORMAT_DEFAULT: return STATUS_INVALID_PARAMETER; default: FIXME("format %u not implemented\n", format); return STATUS_UNSUPPORTED_COMPRESSION; } } /****************************************************************************** * RtlDecompressBuffer [NTDLL.@] */ NTSTATUS WINAPI RtlDecompressBuffer(USHORT format, PUCHAR uncompressed, ULONG uncompressed_size, PUCHAR compressed, ULONG compressed_size, PULONG final_size) { TRACE("0x%04x, %p, %u, %p, %u, %p\n", format, uncompressed, uncompressed_size, compressed, compressed_size, final_size); return RtlDecompressFragment(format, uncompressed, uncompressed_size, compressed, compressed_size, 0, final_size, NULL); } /*********************************************************************** * RtlSetThreadErrorMode [NTDLL.@] * * Set the thread local error mode. * * PARAMS * mode [I] The new error mode * oldmode [O] Destination of the old error mode (may be NULL) * * RETURNS * Success: STATUS_SUCCESS * Failure: STATUS_INVALID_PARAMETER_1 */ NTSTATUS WINAPI RtlSetThreadErrorMode( DWORD mode, LPDWORD oldmode ) { if (mode & ~0x70) return STATUS_INVALID_PARAMETER_1; if (oldmode) *oldmode = NtCurrentTeb()->HardErrorDisabled; NtCurrentTeb()->HardErrorDisabled = mode; return STATUS_SUCCESS; } /*********************************************************************** * RtlGetThreadErrorMode [NTDLL.@] * * Get the thread local error mode. * * PARAMS * None. * * RETURNS * The current thread local error mode. */ DWORD WINAPI RtlGetThreadErrorMode( void ) { return NtCurrentTeb()->HardErrorDisabled; } /****************************************************************************** * RtlGetCurrentTransaction [NTDLL.@] */ HANDLE WINAPI RtlGetCurrentTransaction(void) { FIXME("() :stub\n"); return NULL; } /****************************************************************************** * RtlSetCurrentTransaction [NTDLL.@] */ BOOL WINAPI RtlSetCurrentTransaction(HANDLE new_transaction) { FIXME("(%p) :stub\n", new_transaction); return FALSE; } /********************************************************************** * RtlGetCurrentProcessorNumberEx [NTDLL.@] */ void WINAPI RtlGetCurrentProcessorNumberEx(PROCESSOR_NUMBER *processor) { FIXME("(%p) :semi-stub\n", processor); processor->Group = 0; processor->Number = NtGetCurrentProcessorNumber(); processor->Reserved = 0; } /*********************************************************************** * RtlInitializeGenericTableAvl (NTDLL.@) */ void WINAPI RtlInitializeGenericTableAvl(PRTL_AVL_TABLE table, PRTL_AVL_COMPARE_ROUTINE compare, PRTL_AVL_ALLOCATE_ROUTINE allocate, PRTL_AVL_FREE_ROUTINE free, void *context) { FIXME("%p %p %p %p %p: stub\n", table, compare, allocate, free, context); } /*********************************************************************** * RtlInsertElementGenericTableAvl (NTDLL.@) */ void WINAPI RtlInsertElementGenericTableAvl(PRTL_AVL_TABLE table, void *buffer, ULONG size, BOOL *element) { FIXME("%p %p %u %p: stub\n", table, buffer, size, element); } /********************************************************************* * RtlQueryPackageIdentity [NTDLL.@] */ NTSTATUS WINAPI RtlQueryPackageIdentity(HANDLE token, WCHAR *fullname, SIZE_T *fullname_size, WCHAR *appid, SIZE_T *appid_size, BOOLEAN *packaged) { FIXME("(%p, %p, %p, %p, %p, %p): stub\n", token, fullname, fullname_size, appid, appid_size, packaged); return STATUS_NOT_FOUND; }