1180 lines
33 KiB
C++
1180 lines
33 KiB
C++
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/*++
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Copyright (c) 1991 Microsoft Corporation
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Module Name:
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dataconv.cxx
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Abstract:
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This file contains routines used by the RPC stubs to assist in marshalling
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and unmarshalling data to and from an RPC message buffer. Each routine
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receives as a parameter a format string which drives its actions. The
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valid characters for the format string are :
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c - charater
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b - byte
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w - wide charater or short
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l - long
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f - float
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d - double
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s1, s2, sb - string of chars, wide chars, or bytes
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z - byte string
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)2, )4, )8,
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(2, (4, (8,
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1, 2, 4, 8 - various alignment directives
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For more details consult the Network Computing Architecture documentation
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on Network Data Representation.
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Author:
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Donna Liu (donnali) 09-Nov-1990
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Revision History:
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26-Feb-1992 donnali
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Moved toward NT coding style.
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09-Jul-1993 DKays
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Made wholesale source level optimizations for speed and size.
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--*/
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#include <sysinc.h>
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#include <rpc.h>
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#include <rpcndr.h>
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#include <ndrlibp.h>
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//
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// alignment macros
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//
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#define ALIGN(buffer,increment) \
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(((ULONG_PTR)buffer + increment) & ~ increment)
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#define ALIGN2(buffer) \
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(((ULONG_PTR)buffer + 1) & ~1)
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#define ALIGN4(buffer) \
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(((ULONG_PTR)buffer + 3) & ~3)
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#define ALIGN8(buffer) \
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(((ULONG_PTR)buffer + 7) & ~7)
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// local routines
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static unsigned long NdrStrlenStrcpy ( char *, char * );
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static unsigned long NdrWStrlenStrcpy ( wchar_t *, wchar_t * );
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void RPC_ENTRY
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data_from_ndr (
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PRPC_MESSAGE source,
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void * target,
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char * format,
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unsigned char MscPak)
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/*++
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Routine Description:
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This routine copies data from the runtime buffer.
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Arguments:
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source - RPC message structure passed from the runtime to the stub.
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target - Buffer to receive the unmarshalled data.
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format - Format of the data.
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MscPak - Packing level.
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--*/
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{
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unsigned long valid_lower;
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unsigned long valid_total;
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register char *pSource;
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register char *pTarget;
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unsigned long pack2, pack4, pack8;
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unsigned long pack, align;
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// pre-compute the possible alignment masks
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if ( MscPak )
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MscPak--;
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pack2 = MscPak & 0x1;
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pack4 = MscPak & 0x3;
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pack8 = MscPak & 0x7;
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pSource = (char *) source->Buffer;
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if ((source->DataRepresentation & (unsigned long)0X0000FFFF) ==
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NDR_LOCAL_DATA_REPRESENTATION)
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{
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pTarget = (char *) target;
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for (;;)
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{
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switch ( *format++ )
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{
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case 'b' :
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case 'c' :
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*((char *)pTarget) = *((char *)pSource);
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pTarget += 1;
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pSource += 1;
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break;
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case 'w' :
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pSource = (char *) ALIGN2(pSource);
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pTarget = (char *) ALIGN(pTarget,pack2);
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*((short *)pTarget) = *((short *)pSource);
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pTarget += 2;
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pSource += 2;
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break;
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case 'l' :
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case 'f' :
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pSource = (char *) ALIGN4(pSource);
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pTarget = (char *) ALIGN(pTarget,pack4);
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*((long *)pTarget) = *((long *)pSource);
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pTarget += 4;
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pSource += 4;
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break;
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case 'h' :
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case 'd' :
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pSource = (char *) ALIGN8(pSource);
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pTarget = (char *) ALIGN(pTarget,pack8);
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#if defined(DOS) || defined(WIN)
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*((DWORD *) pTarget) = *((DWORD *) &pSource);
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*(((DWORD *) pTarget) + 1) = *(((DWORD *) &pSource) + 1);
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#else
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*((__int64 *)pTarget) = *((__int64 *)pSource);
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#endif
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pTarget += 8;
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pSource += 8;
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break;
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case 's' :
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pSource = (char *) ALIGN4(pSource);
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valid_lower = *((long *)pSource);
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pSource += 4;
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valid_total = *((long *)pSource);
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pSource += 4;
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// double the valid_total if this is a wide char string
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if ( *format++ == '2' )
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valid_total <<= 1;
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RpcpMemoryCopy(pTarget,
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pSource,
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valid_total);
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pTarget += valid_total;
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pSource += valid_total;
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break;
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case 'z' :
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pSource = (char *) ALIGN4(pSource);
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valid_total = *((long *)pSource);
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pSource += 4;
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*((int *)pTarget - 1) = (int) valid_total;
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// double the valid_total if this is a wide char string
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if ( *format++ == '2' )
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valid_total <<= 1;
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RpcpMemoryCopy(pTarget,
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pSource,
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valid_total);
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pTarget += valid_total;
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pSource += valid_total;
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break;
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case 'p' :
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pSource = (char *) ALIGN4(pSource);
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pTarget = (char *) ALIGN(pTarget,pack4);
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pTarget += 4;
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pSource += 4;
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break;
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case '(' :
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// *format == '2', '4', or '8'; align = 1, 3, or 7
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align = *format - '0' - 1;
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pSource = (char *) ALIGN(pSource,align);
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case ')' :
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switch ( *format++ )
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{
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case '8' :
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pack = pack8;
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break;
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case '4' :
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pack = pack4;
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break;
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case '2' :
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pack = pack2;
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break;
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default :
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continue;
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}
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pTarget = (char *) ALIGN(pTarget,pack);
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break;
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case '8' :
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pSource = (char *) ALIGN8(pSource);
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break;
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case '4' :
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pSource = (char *) ALIGN4(pSource);
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break;
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case '2' :
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pSource = (char *) ALIGN2(pSource);
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break;
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case '1' :
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break;
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default :
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source->Buffer = pSource;
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return;
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} // switch
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} // for
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} // if
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else
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{
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for (;;)
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{
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switch ( *format++ )
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{
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case 'b' :
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*((char *)target) = *((char *)source->Buffer);
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source->Buffer = (void *)((ULONG_PTR)source->Buffer + 1);
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target = (void *)((ULONG_PTR)target + 1);
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break;
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case 'c' :
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char_from_ndr(source,(unsigned char *)target);
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target = (void *)((ULONG_PTR)target + 1);
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break;
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case 'w' :
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target = (void *) ALIGN(target,pack2);
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short_from_ndr(source,(unsigned short *)target);
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target = (void *)((ULONG_PTR)target + 2);
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break;
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case 'l' :
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target = (void *) ALIGN(target,pack4);
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long_from_ndr(source,(unsigned long *)target);
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target = (void *)((ULONG_PTR)target + 4);
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break;
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case 'f' :
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target = (void *) ALIGN(target,pack4);
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float_from_ndr(source, target);
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target = (void *)((ULONG_PTR)target + 4);
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break;
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case 'd' :
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target = (void *) ALIGN(target,pack8);
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double_from_ndr(source, target);
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target = (void *)((ULONG_PTR)target + 8);
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break;
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case 'h' :
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target = (void *) ALIGN(target,pack8);
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hyper_from_ndr(source, (hyper *)target);
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target = (void *)((ULONG_PTR)target + 8);
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break;
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case 's' :
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long_from_ndr(source, &valid_lower);
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long_from_ndr(source, &valid_total);
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switch ( *format++ )
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{
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case '2' :
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short_array_from_ndr (source,
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0,
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valid_total,
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(unsigned short *)target);
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valid_total <<= 1;
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break;
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case '1' :
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char_array_from_ndr (source,
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0,
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valid_total,
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(unsigned char *)target);
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break;
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case 'b' :
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byte_array_from_ndr(source,
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0,
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valid_total,
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target);
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break;
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default :
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continue;
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}
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target = (void *)((ULONG_PTR)target + valid_total);
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break;
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case 'z' :
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long_from_ndr(source, &valid_total);
|
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*((int *)target - 1) = (int) valid_total;
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switch ( *format++ )
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{
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case '2' :
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short_array_from_ndr(source,
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0,
|
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valid_total,
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(unsigned short *)target);
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valid_total <<= 1;
|
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break;
|
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case '1' :
|
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byte_array_from_ndr(source,
|
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0,
|
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valid_total,
|
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target);
|
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break;
|
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}
|
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target = (void *)((ULONG_PTR)target + valid_total);
|
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break;
|
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case 'p' :
|
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source->Buffer = (void *) ALIGN4(source->Buffer);
|
|||
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target = (void *) ALIGN(target,pack4);
|
|||
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source->Buffer = (void *)((ULONG_PTR)source->Buffer + 4);
|
|||
|
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target = (void *)((ULONG_PTR)target + 4);
|
|||
|
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break;
|
|||
|
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case '(' :
|
|||
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// *format == '2', '4', or '8'; align = 1, 3, or 7
|
|||
|
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align = *format - '0' - 1;
|
|||
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pSource = (char *) ALIGN(pSource,align);
|
|||
|
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case ')' :
|
|||
|
|
switch (*format++)
|
|||
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{
|
|||
|
|
case '8' :
|
|||
|
|
pack = pack8;
|
|||
|
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break;
|
|||
|
|
case '4' :
|
|||
|
|
pack = pack4;
|
|||
|
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break;
|
|||
|
|
case '2' :
|
|||
|
|
pack = pack2;
|
|||
|
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break;
|
|||
|
|
default :
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
target = (void *) ALIGN(target,pack);
|
|||
|
|
break;
|
|||
|
|
case '8' :
|
|||
|
|
source->Buffer = (void *)ALIGN8(source->Buffer);
|
|||
|
|
break;
|
|||
|
|
case '4' :
|
|||
|
|
source->Buffer = (void *)ALIGN4(source->Buffer);
|
|||
|
|
break;
|
|||
|
|
case '2' :
|
|||
|
|
source->Buffer = (void *)ALIGN2(source->Buffer);
|
|||
|
|
break;
|
|||
|
|
case '1' :
|
|||
|
|
break;
|
|||
|
|
default :
|
|||
|
|
return;
|
|||
|
|
} // switch
|
|||
|
|
} // for
|
|||
|
|
} // else
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
void RPC_ENTRY
|
|||
|
|
data_into_ndr (
|
|||
|
|
void * source,
|
|||
|
|
PRPC_MESSAGE target,
|
|||
|
|
char * format,
|
|||
|
|
unsigned char MscPak)
|
|||
|
|
/*++
|
|||
|
|
|
|||
|
|
Routine Description:
|
|||
|
|
|
|||
|
|
This routine copies data into the runtime buffer.
|
|||
|
|
|
|||
|
|
Arguments:
|
|||
|
|
|
|||
|
|
source - Buffer of data to be marshalled into the RPC message.
|
|||
|
|
|
|||
|
|
target - RPC message structure to be passed to the runtime.
|
|||
|
|
|
|||
|
|
format - Format of the data.
|
|||
|
|
|
|||
|
|
MscPak - Packing level.
|
|||
|
|
|
|||
|
|
--*/
|
|||
|
|
{
|
|||
|
|
unsigned long valid_total;
|
|||
|
|
register char *pSource;
|
|||
|
|
register char *pTarget;
|
|||
|
|
unsigned long pack2, pack4, pack8;
|
|||
|
|
unsigned long increment;
|
|||
|
|
unsigned long pack, align;
|
|||
|
|
|
|||
|
|
pSource = (char *)source;
|
|||
|
|
pTarget = (char *)target->Buffer;
|
|||
|
|
|
|||
|
|
// pre-compute the possible alignment masks
|
|||
|
|
if ( MscPak )
|
|||
|
|
MscPak--;
|
|||
|
|
pack2 = MscPak & 0x1;
|
|||
|
|
pack4 = MscPak & 0x3;
|
|||
|
|
pack8 = MscPak & 0x7;
|
|||
|
|
|
|||
|
|
for (;;)
|
|||
|
|
{
|
|||
|
|
switch (*format++)
|
|||
|
|
{
|
|||
|
|
case 'b' :
|
|||
|
|
case 'c' :
|
|||
|
|
*((char *)pTarget) = *((char *)pSource);
|
|||
|
|
pTarget += 1;
|
|||
|
|
pSource += 1;
|
|||
|
|
break;
|
|||
|
|
case 'w' :
|
|||
|
|
pTarget = (char *) ALIGN2(pTarget);
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack2);
|
|||
|
|
|
|||
|
|
*((short *)pTarget) = *((short *)pSource);
|
|||
|
|
pTarget += 2;
|
|||
|
|
pSource += 2;
|
|||
|
|
break;
|
|||
|
|
case 'l' :
|
|||
|
|
case 'f' :
|
|||
|
|
pTarget = (char *) ALIGN4(pTarget);
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack4);
|
|||
|
|
|
|||
|
|
*((long *)pTarget) = *((long *)pSource);
|
|||
|
|
pTarget += 4;
|
|||
|
|
pSource += 4;
|
|||
|
|
break;
|
|||
|
|
case 'h' :
|
|||
|
|
case 'd' :
|
|||
|
|
pTarget = (char *) ALIGN8(pTarget);
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack8);
|
|||
|
|
|
|||
|
|
#if defined(DOS) || defined(WIN)
|
|||
|
|
*((DWORD *) pTarget) = *((DWORD *) &pSource);
|
|||
|
|
*(((DWORD *) pTarget) + 1) = *(((DWORD *) &pSource) + 1);
|
|||
|
|
#else
|
|||
|
|
*((__int64 *)pTarget) = *((__int64 *)pSource);
|
|||
|
|
#endif
|
|||
|
|
pTarget += 8;
|
|||
|
|
pSource += 8;
|
|||
|
|
break;
|
|||
|
|
case 's' :
|
|||
|
|
pTarget = (char *) ALIGN4(pTarget);
|
|||
|
|
|
|||
|
|
switch (*format++)
|
|||
|
|
{
|
|||
|
|
case '2' :
|
|||
|
|
valid_total = NdrWStrlenStrcpy((wchar_t *)(pTarget + 8),
|
|||
|
|
(wchar_t *)pSource);
|
|||
|
|
increment = valid_total << 1;
|
|||
|
|
break;
|
|||
|
|
case '1' :
|
|||
|
|
valid_total = NdrStrlenStrcpy(pTarget + 8,pSource);
|
|||
|
|
increment = valid_total;
|
|||
|
|
break;
|
|||
|
|
default :
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
*((long *)pTarget) = 0; // offset
|
|||
|
|
pTarget += 4;
|
|||
|
|
*((long *)pTarget) = valid_total; // count
|
|||
|
|
pTarget += 4;
|
|||
|
|
|
|||
|
|
pTarget += increment;
|
|||
|
|
pSource += increment;
|
|||
|
|
break;
|
|||
|
|
case 'z' :
|
|||
|
|
valid_total = (long) *((int *)pSource - 1);
|
|||
|
|
|
|||
|
|
pTarget = (char *) ALIGN4(pTarget);
|
|||
|
|
|
|||
|
|
*((long *)pTarget) = valid_total;
|
|||
|
|
pTarget += 4;
|
|||
|
|
|
|||
|
|
if ( *format++ == '2' )
|
|||
|
|
valid_total <<= 1;
|
|||
|
|
|
|||
|
|
RpcpMemoryCopy(pTarget,
|
|||
|
|
pSource,
|
|||
|
|
valid_total);
|
|||
|
|
pTarget += valid_total;
|
|||
|
|
pSource += valid_total;
|
|||
|
|
break;
|
|||
|
|
case 'p' :
|
|||
|
|
pTarget = (char *) ALIGN4(pTarget);
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack4);
|
|||
|
|
|
|||
|
|
pTarget += 4;
|
|||
|
|
pSource += 4;
|
|||
|
|
break;
|
|||
|
|
case '(' :
|
|||
|
|
// *format == '2', '4', or '8'; align = 1, 3, or 7
|
|||
|
|
align = *format - '0' - 1;
|
|||
|
|
pTarget = (char *) ALIGN(pTarget,align);
|
|||
|
|
case ')' :
|
|||
|
|
switch (*format++)
|
|||
|
|
{
|
|||
|
|
case '8' :
|
|||
|
|
pack = pack8;
|
|||
|
|
break;
|
|||
|
|
case '4' :
|
|||
|
|
pack = pack4;
|
|||
|
|
break;
|
|||
|
|
case '2' :
|
|||
|
|
pack = pack2;
|
|||
|
|
break;
|
|||
|
|
default :
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack);
|
|||
|
|
break;
|
|||
|
|
case '8' :
|
|||
|
|
pTarget = (char *) ALIGN8(pTarget);
|
|||
|
|
break;
|
|||
|
|
case '4' :
|
|||
|
|
pTarget = (char *) ALIGN4(pTarget);
|
|||
|
|
break;
|
|||
|
|
case '2' :
|
|||
|
|
pTarget = (char *) ALIGN2(pTarget);
|
|||
|
|
break;
|
|||
|
|
case '1' :
|
|||
|
|
break;
|
|||
|
|
default :
|
|||
|
|
target->Buffer = pTarget;
|
|||
|
|
return;
|
|||
|
|
} // switch
|
|||
|
|
} // for
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
void RPC_ENTRY
|
|||
|
|
tree_into_ndr (
|
|||
|
|
void * source,
|
|||
|
|
PRPC_MESSAGE target,
|
|||
|
|
char * format,
|
|||
|
|
unsigned char MscPak)
|
|||
|
|
/*++
|
|||
|
|
|
|||
|
|
Routine Description:
|
|||
|
|
|
|||
|
|
This routine copies data into the runtime buffer.
|
|||
|
|
|
|||
|
|
Arguments:
|
|||
|
|
|
|||
|
|
source - Buffer of data to be marshalled into the RPC message.
|
|||
|
|
|
|||
|
|
target - RPC message structure to be passed to the runtime.
|
|||
|
|
|
|||
|
|
format - Format of the data.
|
|||
|
|
|
|||
|
|
MscPak - Packing level.
|
|||
|
|
|
|||
|
|
--*/
|
|||
|
|
{
|
|||
|
|
unsigned long valid_total;
|
|||
|
|
register char *pSource;
|
|||
|
|
register char *pTarget;
|
|||
|
|
unsigned long pack2, pack4, pack8;
|
|||
|
|
unsigned long increment;
|
|||
|
|
|
|||
|
|
pSource = (char *)source;
|
|||
|
|
pTarget = (char *)target->Buffer;
|
|||
|
|
|
|||
|
|
// pre-compute the possible alignment masks
|
|||
|
|
if ( MscPak )
|
|||
|
|
MscPak--;
|
|||
|
|
pack2 = MscPak & 0x1;
|
|||
|
|
pack4 = MscPak & 0x3;
|
|||
|
|
pack8 = MscPak & 0x7;
|
|||
|
|
|
|||
|
|
for (;;)
|
|||
|
|
{
|
|||
|
|
switch (*format++)
|
|||
|
|
{
|
|||
|
|
case 'b' :
|
|||
|
|
case 'c' :
|
|||
|
|
pSource += 1;
|
|||
|
|
break;
|
|||
|
|
case 'w' :
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack2);
|
|||
|
|
pSource += 2;
|
|||
|
|
break;
|
|||
|
|
case 'l' :
|
|||
|
|
case 'f' :
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack4);
|
|||
|
|
pSource += 4;
|
|||
|
|
break;
|
|||
|
|
case 'h' :
|
|||
|
|
case 'd' :
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack8);
|
|||
|
|
pSource += 8;
|
|||
|
|
break;
|
|||
|
|
case 's' :
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack4);
|
|||
|
|
|
|||
|
|
if ( ! *(void **)pSource )
|
|||
|
|
{
|
|||
|
|
pSource += 4;
|
|||
|
|
format++;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
pTarget = (char *) ALIGN4(pTarget);
|
|||
|
|
|
|||
|
|
switch (*format++)
|
|||
|
|
{
|
|||
|
|
case '2' :
|
|||
|
|
valid_total = NdrWStrlenStrcpy((wchar_t *)(pTarget+12),
|
|||
|
|
*(wchar_t **)pSource);
|
|||
|
|
increment = valid_total << 1;
|
|||
|
|
break;
|
|||
|
|
case '1' :
|
|||
|
|
valid_total = NdrStrlenStrcpy(pTarget + 12,
|
|||
|
|
*(char **)pSource);
|
|||
|
|
increment = valid_total;
|
|||
|
|
break;
|
|||
|
|
default :
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
*((long *)pTarget) = valid_total; // max count
|
|||
|
|
pTarget += 4;
|
|||
|
|
*((long *)pTarget) = 0; // offset
|
|||
|
|
pTarget += 4;
|
|||
|
|
*((long *)pTarget) = valid_total; // actual count
|
|||
|
|
pTarget += 4;
|
|||
|
|
|
|||
|
|
pSource += 4;
|
|||
|
|
pTarget += increment;
|
|||
|
|
break;
|
|||
|
|
case 'z' :
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack4);
|
|||
|
|
|
|||
|
|
if ( ! *(void **)pSource )
|
|||
|
|
{
|
|||
|
|
pSource += 4;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
valid_total = (long) *(*(int **)pSource - 1);
|
|||
|
|
|
|||
|
|
pTarget = (char *) ALIGN4(pTarget);
|
|||
|
|
|
|||
|
|
*((long *)pTarget) = valid_total; // max count
|
|||
|
|
pTarget += 4;
|
|||
|
|
*((long *)pTarget) = valid_total; // actual count
|
|||
|
|
pTarget += 4;
|
|||
|
|
|
|||
|
|
if ( *format++ == '2' )
|
|||
|
|
valid_total <<= 1;
|
|||
|
|
|
|||
|
|
RpcpMemoryCopy(pTarget,
|
|||
|
|
*(char **)pSource,
|
|||
|
|
valid_total);
|
|||
|
|
pSource += 4;
|
|||
|
|
pTarget += valid_total;
|
|||
|
|
break;
|
|||
|
|
case '(' :
|
|||
|
|
case ')' :
|
|||
|
|
switch (*format++)
|
|||
|
|
{
|
|||
|
|
case '8' :
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack8);
|
|||
|
|
break;
|
|||
|
|
case '4' :
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack4);
|
|||
|
|
break;
|
|||
|
|
case '2' :
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack2);
|
|||
|
|
break;
|
|||
|
|
default :
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case '8' :
|
|||
|
|
case '4' :
|
|||
|
|
case '2' :
|
|||
|
|
case '1' :
|
|||
|
|
break;
|
|||
|
|
default :
|
|||
|
|
target->Buffer = pTarget;
|
|||
|
|
return;
|
|||
|
|
} // switch
|
|||
|
|
} // for
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
void RPC_ENTRY
|
|||
|
|
data_size_ndr (
|
|||
|
|
void * source,
|
|||
|
|
PRPC_MESSAGE target,
|
|||
|
|
char * format,
|
|||
|
|
unsigned char MscPak)
|
|||
|
|
/*++
|
|||
|
|
|
|||
|
|
Routine Description:
|
|||
|
|
|
|||
|
|
This routine calculates the size of the runtime buffer.
|
|||
|
|
|
|||
|
|
Arguments:
|
|||
|
|
|
|||
|
|
source - Buffer of data to be marshalled into the RPC message.
|
|||
|
|
|
|||
|
|
target - RPC message structure to be passed to the runtime.
|
|||
|
|
|
|||
|
|
format - Format of the data.
|
|||
|
|
|
|||
|
|
MscPak - Packing level.
|
|||
|
|
|
|||
|
|
--*/
|
|||
|
|
{
|
|||
|
|
unsigned long valid_total;
|
|||
|
|
register char *pSource;
|
|||
|
|
register unsigned long targetLength;
|
|||
|
|
unsigned long pack2, pack4, pack8;
|
|||
|
|
unsigned long pack, align;
|
|||
|
|
|
|||
|
|
pSource = (char *)source;
|
|||
|
|
targetLength = target->BufferLength;
|
|||
|
|
|
|||
|
|
// pre-compute the possible alignment masks
|
|||
|
|
if ( MscPak )
|
|||
|
|
MscPak--;
|
|||
|
|
pack2 = MscPak & 0x1;
|
|||
|
|
pack4 = MscPak & 0x3;
|
|||
|
|
pack8 = MscPak & 0x7;
|
|||
|
|
|
|||
|
|
for (;;)
|
|||
|
|
{
|
|||
|
|
switch (*format++)
|
|||
|
|
{
|
|||
|
|
case 'b' :
|
|||
|
|
case 'c' :
|
|||
|
|
targetLength += 1;
|
|||
|
|
break;
|
|||
|
|
case 'w' :
|
|||
|
|
targetLength = (unsigned long) ALIGN2(targetLength);
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack2);
|
|||
|
|
|
|||
|
|
targetLength += 2;
|
|||
|
|
pSource += 2;
|
|||
|
|
break;
|
|||
|
|
case 'l' :
|
|||
|
|
case 'f' :
|
|||
|
|
targetLength = (unsigned long) ALIGN4(targetLength);
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack4);
|
|||
|
|
|
|||
|
|
targetLength += 4;
|
|||
|
|
pSource += 4;
|
|||
|
|
break;
|
|||
|
|
case 'h' :
|
|||
|
|
case 'd' :
|
|||
|
|
targetLength = (unsigned long) ALIGN8(targetLength);
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack8);
|
|||
|
|
|
|||
|
|
targetLength += 8;
|
|||
|
|
pSource += 8;
|
|||
|
|
break;
|
|||
|
|
case 's' :
|
|||
|
|
switch (*format++)
|
|||
|
|
{
|
|||
|
|
case '2' :
|
|||
|
|
valid_total = MIDL_wchar_strlen((wchar_t *)pSource) + 1;
|
|||
|
|
valid_total <<= 1;
|
|||
|
|
break;
|
|||
|
|
case '1' :
|
|||
|
|
valid_total = strlen(pSource) + 1;
|
|||
|
|
break;
|
|||
|
|
default :
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
targetLength = (unsigned long) ALIGN4(targetLength);
|
|||
|
|
|
|||
|
|
// add string length plus two longs (for offset and count)
|
|||
|
|
targetLength += 8 + valid_total;
|
|||
|
|
break;
|
|||
|
|
case 'z' :
|
|||
|
|
targetLength = (unsigned long) ALIGN4(targetLength);
|
|||
|
|
|
|||
|
|
valid_total = (long) *((int *)pSource - 1);
|
|||
|
|
if ( *format++ == '2' )
|
|||
|
|
valid_total <<= 1;
|
|||
|
|
|
|||
|
|
// add byte string length plus one long (for count)
|
|||
|
|
targetLength += 4 + valid_total;
|
|||
|
|
break;
|
|||
|
|
case 'p' :
|
|||
|
|
targetLength = (unsigned long) ALIGN4(targetLength);
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack4);
|
|||
|
|
|
|||
|
|
target->Buffer = (void *)((ULONG_PTR)target->Buffer + 4);
|
|||
|
|
pSource += 4;
|
|||
|
|
break;
|
|||
|
|
case '(' :
|
|||
|
|
// *format == '2', '4', or '8'; align = 1, 3, or 7
|
|||
|
|
align = *format - '0' - 1;
|
|||
|
|
targetLength = (unsigned long) ALIGN(targetLength,align);
|
|||
|
|
case ')' :
|
|||
|
|
switch (*format++)
|
|||
|
|
{
|
|||
|
|
case '8' :
|
|||
|
|
pack = pack8;
|
|||
|
|
break;
|
|||
|
|
case '4' :
|
|||
|
|
pack = pack4;
|
|||
|
|
break;
|
|||
|
|
case '2' :
|
|||
|
|
pack = pack2;
|
|||
|
|
break;
|
|||
|
|
default :
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack);
|
|||
|
|
break;
|
|||
|
|
case '8' :
|
|||
|
|
targetLength = (unsigned long) ALIGN8(targetLength);
|
|||
|
|
break;
|
|||
|
|
case '4' :
|
|||
|
|
targetLength = (unsigned long) ALIGN4(targetLength);
|
|||
|
|
break;
|
|||
|
|
case '2' :
|
|||
|
|
targetLength = (unsigned long) ALIGN2(targetLength);
|
|||
|
|
break;
|
|||
|
|
case '1' :
|
|||
|
|
break;
|
|||
|
|
default :
|
|||
|
|
target->BufferLength = targetLength;
|
|||
|
|
return;
|
|||
|
|
} // switch
|
|||
|
|
} // for
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
void RPC_ENTRY
|
|||
|
|
tree_size_ndr (
|
|||
|
|
void * source,
|
|||
|
|
PRPC_MESSAGE target,
|
|||
|
|
char * format,
|
|||
|
|
unsigned char MscPak)
|
|||
|
|
/*++
|
|||
|
|
|
|||
|
|
Routine Description:
|
|||
|
|
|
|||
|
|
This routine calculates the size of the runtime buffer.
|
|||
|
|
|
|||
|
|
Arguments:
|
|||
|
|
|
|||
|
|
source - Buffer of data to be marshalled into the RPC message.
|
|||
|
|
|
|||
|
|
target - RPC message structure to be passed to the runtime.
|
|||
|
|
|
|||
|
|
format - Format of the data.
|
|||
|
|
|
|||
|
|
MscPak - Packing level.
|
|||
|
|
|
|||
|
|
--*/
|
|||
|
|
{
|
|||
|
|
unsigned long valid_total;
|
|||
|
|
register char *pSource;
|
|||
|
|
unsigned long pack2, pack4, pack8;
|
|||
|
|
|
|||
|
|
pSource = (char *)source;
|
|||
|
|
|
|||
|
|
// pre-compute the possible alignment masks
|
|||
|
|
if ( MscPak )
|
|||
|
|
MscPak--;
|
|||
|
|
pack2 = MscPak & 0x1;
|
|||
|
|
pack4 = MscPak & 0x3;
|
|||
|
|
pack8 = MscPak & 0x7;
|
|||
|
|
|
|||
|
|
for (;;)
|
|||
|
|
{
|
|||
|
|
switch (*format++)
|
|||
|
|
{
|
|||
|
|
case 'b' :
|
|||
|
|
case 'c' :
|
|||
|
|
pSource += 1;
|
|||
|
|
break;
|
|||
|
|
case 'w' :
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack2);
|
|||
|
|
pSource += 2;
|
|||
|
|
break;
|
|||
|
|
case 'l' :
|
|||
|
|
case 'f' :
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack4);
|
|||
|
|
pSource += 4;
|
|||
|
|
break;
|
|||
|
|
case 'h' :
|
|||
|
|
case 'd' :
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack8);
|
|||
|
|
pSource += 8;
|
|||
|
|
break;
|
|||
|
|
case 's' :
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack4);
|
|||
|
|
|
|||
|
|
if ( ! *(void __RPC_FAR * __RPC_FAR *)pSource )
|
|||
|
|
{
|
|||
|
|
pSource += 4;
|
|||
|
|
format++;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
switch (*format++)
|
|||
|
|
{
|
|||
|
|
case '2' :
|
|||
|
|
valid_total = MIDL_wchar_strlen(
|
|||
|
|
*(wchar_t __RPC_FAR * __RPC_FAR *)pSource)+1;
|
|||
|
|
valid_total <<= 1;
|
|||
|
|
break;
|
|||
|
|
case '1' :
|
|||
|
|
valid_total =
|
|||
|
|
strlen (*(char __RPC_FAR * __RPC_FAR *)pSource) + 1;
|
|||
|
|
break;
|
|||
|
|
default :
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
target->BufferLength = (unsigned int)
|
|||
|
|
ALIGN4(target->BufferLength);
|
|||
|
|
|
|||
|
|
// add string length plus 3 longs (max count, offset, and
|
|||
|
|
// actual count)
|
|||
|
|
target->BufferLength += 12 + valid_total;
|
|||
|
|
pSource += 4;
|
|||
|
|
break;
|
|||
|
|
case 'z' :
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack4);
|
|||
|
|
|
|||
|
|
if ( ! *(void __RPC_FAR * __RPC_FAR *)pSource )
|
|||
|
|
{
|
|||
|
|
pSource += 4;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
valid_total = (long) *(*(int **)pSource - 1);
|
|||
|
|
if ( *format++ == '2' )
|
|||
|
|
valid_total <<= 1;
|
|||
|
|
|
|||
|
|
target->BufferLength = (unsigned int)
|
|||
|
|
ALIGN4(target->BufferLength);
|
|||
|
|
|
|||
|
|
// add string length plus 2 longs (max count and actual count)
|
|||
|
|
target->BufferLength += 8 + valid_total;
|
|||
|
|
pSource += 4;
|
|||
|
|
break;
|
|||
|
|
case '(' :
|
|||
|
|
case ')' :
|
|||
|
|
switch (*format++)
|
|||
|
|
{
|
|||
|
|
case '8' :
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack8);
|
|||
|
|
break;
|
|||
|
|
case '4' :
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack4);
|
|||
|
|
break;
|
|||
|
|
case '2' :
|
|||
|
|
pSource = (char *) ALIGN(pSource,pack2);
|
|||
|
|
break;
|
|||
|
|
default :
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case '8' :
|
|||
|
|
case '4' :
|
|||
|
|
case '2' :
|
|||
|
|
case '1' :
|
|||
|
|
break;
|
|||
|
|
default :
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
void RPC_ENTRY
|
|||
|
|
tree_peek_ndr (
|
|||
|
|
PRPC_MESSAGE source,
|
|||
|
|
unsigned char ** buffer,
|
|||
|
|
char * format,
|
|||
|
|
unsigned char MscPak)
|
|||
|
|
/*++
|
|||
|
|
|
|||
|
|
Routine Description:
|
|||
|
|
|
|||
|
|
This routine peeks the runtime buffer.
|
|||
|
|
|
|||
|
|
Arguments:
|
|||
|
|
|
|||
|
|
source - RPC message structure passed from the runtime to the stubs.
|
|||
|
|
|
|||
|
|
target - Buffer to receive the unmarshalled data.
|
|||
|
|
|
|||
|
|
format - Format of the data.
|
|||
|
|
|
|||
|
|
MscPak - Packing level.
|
|||
|
|
|
|||
|
|
--*/
|
|||
|
|
{
|
|||
|
|
unsigned long valid_total;
|
|||
|
|
register unsigned char *pBuffer;
|
|||
|
|
unsigned long pack8;
|
|||
|
|
int IsString;
|
|||
|
|
|
|||
|
|
pBuffer = *buffer;
|
|||
|
|
|
|||
|
|
// pre-compute the possible alignment masks
|
|||
|
|
if ( MscPak )
|
|||
|
|
MscPak--;
|
|||
|
|
pack8 = MscPak & 0x7;
|
|||
|
|
|
|||
|
|
IsString = (*format == 's' || *format == 'z');
|
|||
|
|
|
|||
|
|
for (;;)
|
|||
|
|
{
|
|||
|
|
switch (*format++)
|
|||
|
|
{
|
|||
|
|
case 'b' :
|
|||
|
|
case 'c' :
|
|||
|
|
pBuffer += 1;
|
|||
|
|
break;
|
|||
|
|
case 'w' :
|
|||
|
|
pBuffer = (unsigned char *) ALIGN2(pBuffer);
|
|||
|
|
pBuffer += 2;
|
|||
|
|
break;
|
|||
|
|
case 'l' :
|
|||
|
|
case 'f' :
|
|||
|
|
pBuffer = (unsigned char *) ALIGN4(pBuffer);
|
|||
|
|
pBuffer += 4;
|
|||
|
|
break;
|
|||
|
|
case 'h' :
|
|||
|
|
case 'd' :
|
|||
|
|
pBuffer = (unsigned char *) ALIGN8(pBuffer);
|
|||
|
|
pBuffer += 8;
|
|||
|
|
break;
|
|||
|
|
case 's' :
|
|||
|
|
if ( ! IsString )
|
|||
|
|
{
|
|||
|
|
pBuffer = (unsigned char *) ALIGN4(pBuffer);
|
|||
|
|
if ( ! *(long *)pBuffer )
|
|||
|
|
{
|
|||
|
|
pBuffer += 4;
|
|||
|
|
format++;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
pBuffer += 4;
|
|||
|
|
long_from_ndr (source, &valid_total); // max count (ignore)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
long_from_ndr (source, &valid_total); // offset (ignore)
|
|||
|
|
long_from_ndr (source, &valid_total); // actual count
|
|||
|
|
|
|||
|
|
// if it's a wide char string
|
|||
|
|
if ( *format++ == '2' )
|
|||
|
|
{
|
|||
|
|
// wide char string must be aligned on at least a
|
|||
|
|
// short boundary
|
|||
|
|
if ( ! MscPak )
|
|||
|
|
pack8 = 0x1;
|
|||
|
|
valid_total <<= 1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
source->BufferLength = (unsigned int)
|
|||
|
|
ALIGN(source->BufferLength,pack8);
|
|||
|
|
|
|||
|
|
*((unsigned long *)pBuffer - 1) = source->BufferLength;
|
|||
|
|
source->BufferLength += valid_total;
|
|||
|
|
source->Buffer = (void *)((ULONG_PTR)source->Buffer + valid_total);
|
|||
|
|
break;
|
|||
|
|
case 'z' :
|
|||
|
|
if ( ! IsString )
|
|||
|
|
{
|
|||
|
|
pBuffer = (unsigned char *) ALIGN4(pBuffer);
|
|||
|
|
if ( ! *(long *)pBuffer )
|
|||
|
|
{
|
|||
|
|
pBuffer += 4;
|
|||
|
|
format++;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
pBuffer += 4;
|
|||
|
|
long_from_ndr (source, &valid_total); // max count (ignore)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
long_from_ndr (source, &valid_total); // actual count
|
|||
|
|
|
|||
|
|
// if it's a wide byte string
|
|||
|
|
if ( *format++ == '2' )
|
|||
|
|
{
|
|||
|
|
// wide byte string must be aligned on at least a
|
|||
|
|
// short boundary
|
|||
|
|
if ( ! MscPak )
|
|||
|
|
pack8 = 0x1;
|
|||
|
|
valid_total <<= 1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
source->BufferLength = (unsigned int)
|
|||
|
|
ALIGN(source->BufferLength,pack8);
|
|||
|
|
|
|||
|
|
*((unsigned long *)pBuffer - 1) = source->BufferLength;
|
|||
|
|
source->BufferLength += valid_total;
|
|||
|
|
source->Buffer = (void *)((ULONG_PTR)source->Buffer + valid_total);
|
|||
|
|
break;
|
|||
|
|
case '(' :
|
|||
|
|
switch (*format++)
|
|||
|
|
{
|
|||
|
|
case '8' :
|
|||
|
|
pBuffer = (unsigned char *) ALIGN8(pBuffer);
|
|||
|
|
break;
|
|||
|
|
case '4' :
|
|||
|
|
pBuffer = (unsigned char *) ALIGN4(pBuffer);
|
|||
|
|
break;
|
|||
|
|
case '2' :
|
|||
|
|
pBuffer = (unsigned char *) ALIGN2(pBuffer);
|
|||
|
|
break;
|
|||
|
|
default :
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case ')' :
|
|||
|
|
format++;
|
|||
|
|
break;
|
|||
|
|
case '8' :
|
|||
|
|
pBuffer = (unsigned char *) ALIGN8(pBuffer);
|
|||
|
|
break;
|
|||
|
|
case '4' :
|
|||
|
|
pBuffer = (unsigned char *) ALIGN4(pBuffer);
|
|||
|
|
break;
|
|||
|
|
case '2' :
|
|||
|
|
pBuffer = (unsigned char *) ALIGN2(pBuffer);
|
|||
|
|
break;
|
|||
|
|
case '1' :
|
|||
|
|
break;
|
|||
|
|
default :
|
|||
|
|
*buffer = pBuffer;
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
static unsigned long NdrStrlenStrcpy ( char *pTarget,
|
|||
|
|
char *pSource )
|
|||
|
|
{
|
|||
|
|
register unsigned int count;
|
|||
|
|
|
|||
|
|
for ( count = 1; *pTarget++ = *pSource++; count++ )
|
|||
|
|
;
|
|||
|
|
|
|||
|
|
return count;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
static unsigned long NdrWStrlenStrcpy ( wchar_t *pTarget,
|
|||
|
|
wchar_t *pSource )
|
|||
|
|
{
|
|||
|
|
register unsigned int count;
|
|||
|
|
|
|||
|
|
for ( count = 1; *pTarget++ = *pSource++; count++ )
|
|||
|
|
;
|
|||
|
|
|
|||
|
|
return count;
|
|||
|
|
}
|