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rpcrt4: Set PointerBufferMark to the buffer location immediately after the non-pointer data in complex struct and array marshaling and unmarshaling to keep to the DCE/RPC specification.

This commit is contained in:
Rob Shearman 2007-06-25 14:28:01 +01:00 committed by Alexandre Julliard
parent cbafe663b0
commit 4174255e0c
1 changed files with 389 additions and 23 deletions
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400
dlls/rpcrt4/ndr_marshall.c
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@ -1100,12 +1100,20 @@ static unsigned char * EmbeddedPointerMarshall(PMIDL_STUB_MESSAGE pStubMsg,
unsigned long Offset = pStubMsg->Offset;
unsigned ofs, rep, count, stride, xofs;
unsigned i;
unsigned char *saved_buffer = NULL;
TRACE("(%p,%p,%p)\n", pStubMsg, pMemory, pFormat);
if (*pFormat != RPC_FC_PP) return NULL;
pFormat += 2;
if (pStubMsg->PointerBufferMark)
{
saved_buffer = pStubMsg->Buffer;
pStubMsg->Buffer = pStubMsg->PointerBufferMark;
pStubMsg->PointerBufferMark = NULL;
}
while (pFormat[0] != RPC_FC_END) {
switch (pFormat[0]) {
default:
@ -1154,6 +1162,12 @@ static unsigned char * EmbeddedPointerMarshall(PMIDL_STUB_MESSAGE pStubMsg,
pFormat += 8 * count;
}
if (saved_buffer)
{
pStubMsg->PointerBufferMark = pStubMsg->Buffer;
pStubMsg->Buffer = saved_buffer;
}
STD_OVERFLOW_CHECK(pStubMsg);
return NULL;
@ -1171,12 +1185,20 @@ static unsigned char * EmbeddedPointerUnmarshall(PMIDL_STUB_MESSAGE pStubMsg,
unsigned long Offset = pStubMsg->Offset;
unsigned ofs, rep, count, stride, xofs;
unsigned i;
unsigned char *saved_buffer = NULL;
TRACE("(%p,%p,%p,%d)\n", pStubMsg, ppMemory, pFormat, fMustAlloc);
if (*pFormat != RPC_FC_PP) return NULL;
pFormat += 2;
if (pStubMsg->PointerBufferMark)
{
saved_buffer = pStubMsg->Buffer;
pStubMsg->Buffer = pStubMsg->PointerBufferMark;
pStubMsg->PointerBufferMark = NULL;
}
while (pFormat[0] != RPC_FC_END) {
TRACE("pFormat[0] = 0x%x\n", pFormat[0]);
switch (pFormat[0]) {
@ -1223,6 +1245,12 @@ static unsigned char * EmbeddedPointerUnmarshall(PMIDL_STUB_MESSAGE pStubMsg,
pFormat += 8 * count;
}
if (saved_buffer)
{
pStubMsg->PointerBufferMark = pStubMsg->Buffer;
pStubMsg->Buffer = saved_buffer;
}
return NULL;
}
@ -1236,6 +1264,7 @@ static void EmbeddedPointerBufferSize(PMIDL_STUB_MESSAGE pStubMsg,
unsigned long Offset = pStubMsg->Offset;
unsigned ofs, rep, count, stride, xofs;
unsigned i;
ULONG saved_buffer_length = 0;
TRACE("(%p,%p,%p)\n", pStubMsg, pMemory, pFormat);
@ -1244,6 +1273,13 @@ static void EmbeddedPointerBufferSize(PMIDL_STUB_MESSAGE pStubMsg,
if (*pFormat != RPC_FC_PP) return;
pFormat += 2;
if (pStubMsg->PointerLength)
{
saved_buffer_length = pStubMsg->BufferLength;
pStubMsg->BufferLength = pStubMsg->PointerLength;
pStubMsg->PointerLength = 0;
}
while (pFormat[0] != RPC_FC_END) {
switch (pFormat[0]) {
default:
@ -1289,6 +1325,12 @@ static void EmbeddedPointerBufferSize(PMIDL_STUB_MESSAGE pStubMsg,
}
pFormat += 8 * count;
}
if (saved_buffer_length)
{
pStubMsg->PointerLength = pStubMsg->BufferLength;
pStubMsg->BufferLength = saved_buffer_length;
}
}
/***********************************************************************
@ -1302,6 +1344,10 @@ static unsigned long EmbeddedPointerMemorySize(PMIDL_STUB_MESSAGE pStubMsg,
unsigned ofs, rep, count, stride, xofs;
unsigned i;
TRACE("(%p,%p)\n", pStubMsg, pFormat);
if (pStubMsg->IgnoreEmbeddedPointers) return 0;
FIXME("(%p,%p): stub\n", pStubMsg, pFormat);
if (*pFormat != RPC_FC_PP) return 0;
@ -1732,11 +1778,30 @@ static unsigned char * ComplexMarshall(PMIDL_STUB_MESSAGE pStubMsg,
pMemory += 8;
break;
case RPC_FC_POINTER:
{
unsigned char *saved_buffer;
int pointer_buffer_mark_set = 0;
TRACE("pointer=%p <= %p\n", *(unsigned char**)pMemory, pMemory);
NdrPointerMarshall(pStubMsg, *(unsigned char**)pMemory, pPointer);
saved_buffer = pStubMsg->Buffer;
if (pStubMsg->PointerBufferMark)
{
pStubMsg->Buffer = pStubMsg->PointerBufferMark;
pStubMsg->PointerBufferMark = NULL;
pointer_buffer_mark_set = 1;
}
else
pStubMsg->Buffer += 4; /* for pointer ID */
PointerMarshall(pStubMsg, saved_buffer, *(unsigned char**)pMemory, pPointer);
if (pointer_buffer_mark_set)
{
STD_OVERFLOW_CHECK(pStubMsg);
pStubMsg->PointerBufferMark = pStubMsg->Buffer;
pStubMsg->Buffer = saved_buffer + 4;
}
pPointer += 4;
pMemory += 4;
break;
}
case RPC_FC_ALIGNM4:
ALIGN_POINTER(pMemory, 4);
break;
@ -1818,11 +1883,32 @@ static unsigned char * ComplexUnmarshall(PMIDL_STUB_MESSAGE pStubMsg,
pMemory += 8;
break;
case RPC_FC_POINTER:
{
unsigned char *saved_buffer;
int pointer_buffer_mark_set = 0;
TRACE("pointer => %p\n", pMemory);
NdrPointerUnmarshall(pStubMsg, (unsigned char**)pMemory, pPointer, TRUE);
ALIGN_POINTER(pStubMsg->Buffer, 4);
saved_buffer = pStubMsg->Buffer;
if (pStubMsg->PointerBufferMark)
{
pStubMsg->Buffer = pStubMsg->PointerBufferMark;
pStubMsg->PointerBufferMark = NULL;
pointer_buffer_mark_set = 1;
}
else
pStubMsg->Buffer += 4; /* for pointer ID */
PointerUnmarshall(pStubMsg, saved_buffer, (unsigned char**)pMemory, pPointer, TRUE);
if (pointer_buffer_mark_set)
{
STD_OVERFLOW_CHECK(pStubMsg);
pStubMsg->PointerBufferMark = pStubMsg->Buffer;
pStubMsg->Buffer = saved_buffer + 4;
}
pPointer += 4;
pMemory += 4;
break;
}
case RPC_FC_ALIGNM4:
ALIGN_POINTER(pMemory, 4);
break;
@ -1897,7 +1983,18 @@ static unsigned char * ComplexBufferSize(PMIDL_STUB_MESSAGE pStubMsg,
pMemory += 8;
break;
case RPC_FC_POINTER:
NdrPointerBufferSize(pStubMsg, *(unsigned char**)pMemory, pPointer);
if (!pStubMsg->IgnoreEmbeddedPointers)
{
int saved_buffer_length = pStubMsg->BufferLength;
pStubMsg->BufferLength = pStubMsg->PointerLength;
pStubMsg->PointerLength = 0;
if(!pStubMsg->BufferLength)
ERR("BufferLength == 0??\n");
PointerBufferSize(pStubMsg, *(unsigned char**)pMemory, pPointer);
pStubMsg->PointerLength = pStubMsg->BufferLength;
pStubMsg->BufferLength = saved_buffer_length;
}
pStubMsg->BufferLength += 4;
pPointer += 4;
pMemory += 4;
break;
@ -2044,6 +2141,8 @@ static unsigned long ComplexStructMemorySize(PMIDL_STUB_MESSAGE pStubMsg,
case RPC_FC_POINTER:
size += 4;
pStubMsg->Buffer += 4;
if (!pStubMsg->IgnoreEmbeddedPointers)
FIXME("embedded pointers\n");
break;
case RPC_FC_ALIGNM4:
ALIGN_LENGTH(size, 4);
@ -2090,9 +2189,32 @@ unsigned char * WINAPI NdrComplexStructMarshall(PMIDL_STUB_MESSAGE pStubMsg,
PFORMAT_STRING conf_array = NULL;
PFORMAT_STRING pointer_desc = NULL;
unsigned char *OldMemory = pStubMsg->Memory;
int pointer_buffer_mark_set = 0;
TRACE("(%p,%p,%p)\n", pStubMsg, pMemory, pFormat);
if (!pStubMsg->PointerBufferMark)
{
int saved_ignore_embedded = pStubMsg->IgnoreEmbeddedPointers;
/* save buffer length */
unsigned long saved_buffer_length = pStubMsg->BufferLength;
/* get the buffer pointer after complex array data, but before
* pointer data */
pStubMsg->BufferLength = pStubMsg->Buffer - pStubMsg->BufferStart;
pStubMsg->IgnoreEmbeddedPointers = 1;
NdrComplexStructBufferSize(pStubMsg, pMemory, pFormat);
pStubMsg->IgnoreEmbeddedPointers = saved_ignore_embedded;
/* save it for use by embedded pointer code later */
pStubMsg->PointerBufferMark = pStubMsg->BufferStart + pStubMsg->BufferLength;
TRACE("difference = 0x%x\n", pStubMsg->PointerBufferMark - pStubMsg->Buffer);
pointer_buffer_mark_set = 1;
/* restore the original buffer length */
pStubMsg->BufferLength = saved_buffer_length;
}
ALIGN_POINTER(pStubMsg->Buffer, pFormat[1] + 1);
pFormat += 4;
@ -2110,6 +2232,12 @@ unsigned char * WINAPI NdrComplexStructMarshall(PMIDL_STUB_MESSAGE pStubMsg,
pStubMsg->Memory = OldMemory;
if (pointer_buffer_mark_set)
{
pStubMsg->Buffer = pStubMsg->PointerBufferMark;
pStubMsg->PointerBufferMark = NULL;
}
STD_OVERFLOW_CHECK(pStubMsg);
return NULL;
@ -2127,9 +2255,31 @@ unsigned char * WINAPI NdrComplexStructUnmarshall(PMIDL_STUB_MESSAGE pStubMsg,
PFORMAT_STRING conf_array = NULL;
PFORMAT_STRING pointer_desc = NULL;
unsigned char *pMemory;
int pointer_buffer_mark_set = 0;
TRACE("(%p,%p,%p,%d)\n", pStubMsg, ppMemory, pFormat, fMustAlloc);
if (!pStubMsg->PointerBufferMark)
{
int saved_ignore_embedded = pStubMsg->IgnoreEmbeddedPointers;
/* save buffer pointer */
unsigned char *saved_buffer = pStubMsg->Buffer;
/* get the buffer pointer after complex array data, but before
* pointer data */
pStubMsg->IgnoreEmbeddedPointers = 1;
NdrComplexStructMemorySize(pStubMsg, pFormat);
pStubMsg->IgnoreEmbeddedPointers = saved_ignore_embedded;
/* save it for use by embedded pointer code later */
pStubMsg->PointerBufferMark = pStubMsg->Buffer;
TRACE("difference = 0x%lx\n", (unsigned long)(pStubMsg->PointerBufferMark - saved_buffer));
pointer_buffer_mark_set = 1;
/* restore the original buffer */
pStubMsg->Buffer = saved_buffer;
}
ALIGN_POINTER(pStubMsg->Buffer, pFormat[1] + 1);
if (fMustAlloc || !*ppMemory)
@ -2149,6 +2299,12 @@ unsigned char * WINAPI NdrComplexStructUnmarshall(PMIDL_STUB_MESSAGE pStubMsg,
if (conf_array)
NdrConformantArrayUnmarshall(pStubMsg, &pMemory, conf_array, fMustAlloc);
if (pointer_buffer_mark_set)
{
pStubMsg->Buffer = pStubMsg->PointerBufferMark;
pStubMsg->PointerBufferMark = NULL;
}
return NULL;
}
@ -2162,11 +2318,32 @@ void WINAPI NdrComplexStructBufferSize(PMIDL_STUB_MESSAGE pStubMsg,
PFORMAT_STRING conf_array = NULL;
PFORMAT_STRING pointer_desc = NULL;
unsigned char *OldMemory = pStubMsg->Memory;
int pointer_length_set = 0;
TRACE("(%p,%p,%p)\n", pStubMsg, pMemory, pFormat);
ALIGN_LENGTH(pStubMsg->BufferLength, pFormat[1] + 1);
if(!pStubMsg->IgnoreEmbeddedPointers && !pStubMsg->PointerLength)
{
int saved_ignore_embedded = pStubMsg->IgnoreEmbeddedPointers;
unsigned long saved_buffer_length = pStubMsg->BufferLength;
/* get the buffer length after complex struct data, but before
* pointer data */
pStubMsg->IgnoreEmbeddedPointers = 1;
NdrComplexStructBufferSize(pStubMsg, pMemory, pFormat);
pStubMsg->IgnoreEmbeddedPointers = saved_ignore_embedded;
/* save it for use by embedded pointer code later */
pStubMsg->PointerLength = pStubMsg->BufferLength;
pointer_length_set = 1;
TRACE("difference = 0x%lx\n", pStubMsg->PointerLength - saved_buffer_length);
/* restore the original buffer length */
pStubMsg->BufferLength = saved_buffer_length;
}
pFormat += 4;
if (*(const WORD*)pFormat) conf_array = pFormat + *(const WORD*)pFormat;
pFormat += 2;
@ -2181,6 +2358,13 @@ void WINAPI NdrComplexStructBufferSize(PMIDL_STUB_MESSAGE pStubMsg,
NdrConformantArrayBufferSize(pStubMsg, pMemory, conf_array);
pStubMsg->Memory = OldMemory;
if(pointer_length_set)
{
pStubMsg->BufferLength = pStubMsg->PointerLength;
pStubMsg->PointerLength = 0;
}
}
/***********************************************************************
@ -2531,6 +2715,7 @@ unsigned char * WINAPI NdrComplexArrayMarshall(PMIDL_STUB_MESSAGE pStubMsg,
ULONG i, count, def;
BOOL variance_present;
unsigned char alignment;
int pointer_buffer_mark_set = 0;
TRACE("(%p,%p,%p)\n", pStubMsg, pMemory, pFormat);
@ -2543,6 +2728,35 @@ unsigned char * WINAPI NdrComplexArrayMarshall(PMIDL_STUB_MESSAGE pStubMsg,
alignment = pFormat[1] + 1;
if (!pStubMsg->PointerBufferMark)
{
/* save buffer fields that may be changed by buffer sizer functions
* and that may be needed later on */
int saved_ignore_embedded = pStubMsg->IgnoreEmbeddedPointers;
unsigned long saved_buffer_length = pStubMsg->BufferLength;
unsigned long saved_max_count = pStubMsg->MaxCount;
unsigned long saved_offset = pStubMsg->Offset;
unsigned long saved_actual_count = pStubMsg->ActualCount;
/* get the buffer pointer after complex array data, but before
* pointer data */
pStubMsg->BufferLength = pStubMsg->Buffer - pStubMsg->BufferStart;
pStubMsg->IgnoreEmbeddedPointers = 1;
NdrComplexArrayBufferSize(pStubMsg, pMemory, pFormat);
pStubMsg->IgnoreEmbeddedPointers = saved_ignore_embedded;
/* save it for use by embedded pointer code later */
pStubMsg->PointerBufferMark = pStubMsg->BufferStart + pStubMsg->BufferLength;
TRACE("difference = 0x%x\n", pStubMsg->Buffer - pStubMsg->BufferStart);
pointer_buffer_mark_set = 1;
/* restore fields */
pStubMsg->ActualCount = saved_actual_count;
pStubMsg->Offset = saved_offset;
pStubMsg->MaxCount = saved_max_count;
pStubMsg->BufferLength = saved_buffer_length;
}
def = *(const WORD*)&pFormat[2];
pFormat += 4;
@ -2565,6 +2779,12 @@ unsigned char * WINAPI NdrComplexArrayMarshall(PMIDL_STUB_MESSAGE pStubMsg,
STD_OVERFLOW_CHECK(pStubMsg);
if (pointer_buffer_mark_set)
{
pStubMsg->Buffer = pStubMsg->PointerBufferMark;
pStubMsg->PointerBufferMark = NULL;
}
return NULL;
}
@ -2576,10 +2796,12 @@ unsigned char * WINAPI NdrComplexArrayUnmarshall(PMIDL_STUB_MESSAGE pStubMsg,
PFORMAT_STRING pFormat,
unsigned char fMustAlloc)
{
ULONG i, count, esize, memsize;
ULONG i, count, size;
unsigned char alignment;
unsigned char *pMemory;
unsigned char *Buffer;
unsigned char *saved_buffer;
int pointer_buffer_mark_set = 0;
int saved_ignore_embedded;
TRACE("(%p,%p,%p,%d)\n", pStubMsg, ppMemory, pFormat, fMustAlloc);
@ -2592,22 +2814,36 @@ unsigned char * WINAPI NdrComplexArrayUnmarshall(PMIDL_STUB_MESSAGE pStubMsg,
alignment = pFormat[1] + 1;
saved_ignore_embedded = pStubMsg->IgnoreEmbeddedPointers;
/* save buffer pointer */
saved_buffer = pStubMsg->Buffer;
/* get the buffer pointer after complex array data, but before
* pointer data */
pStubMsg->IgnoreEmbeddedPointers = 1;
pStubMsg->MemorySize = 0;
NdrComplexArrayMemorySize(pStubMsg, pFormat);
size = pStubMsg->MemorySize;
pStubMsg->IgnoreEmbeddedPointers = saved_ignore_embedded;
TRACE("difference = 0x%lx\n", (unsigned long)(pStubMsg->Buffer - saved_buffer));
if (!pStubMsg->PointerBufferMark)
{
/* save it for use by embedded pointer code later */
pStubMsg->PointerBufferMark = pStubMsg->Buffer;
pointer_buffer_mark_set = 1;
}
/* restore the original buffer */
pStubMsg->Buffer = saved_buffer;
pFormat += 4;
pFormat = ReadConformance(pStubMsg, pFormat);
pFormat = ReadVariance(pStubMsg, pFormat, pStubMsg->MaxCount);
Buffer = pStubMsg->Buffer;
pStubMsg->MemorySize = 0;
esize = ComplexStructMemorySize(pStubMsg, pFormat);
pStubMsg->Buffer = Buffer;
/* do multiply here instead of inside if block to verify MaxCount */
memsize = safe_multiply(esize, pStubMsg->MaxCount);
if (fMustAlloc || !*ppMemory)
{
*ppMemory = NdrAllocate(pStubMsg, memsize);
memset(*ppMemory, 0, memsize);
*ppMemory = NdrAllocate(pStubMsg, size);
memset(*ppMemory, 0, size);
}
ALIGN_POINTER(pStubMsg->Buffer, alignment);
@ -2617,6 +2853,12 @@ unsigned char * WINAPI NdrComplexArrayUnmarshall(PMIDL_STUB_MESSAGE pStubMsg,
for (i = 0; i < count; i++)
pMemory = ComplexUnmarshall(pStubMsg, pMemory, pFormat, NULL);
if (pointer_buffer_mark_set)
{
pStubMsg->Buffer = pStubMsg->PointerBufferMark;
pStubMsg->PointerBufferMark = NULL;
}
return NULL;
}
@ -2630,6 +2872,7 @@ void WINAPI NdrComplexArrayBufferSize(PMIDL_STUB_MESSAGE pStubMsg,
ULONG i, count, def;
unsigned char alignment;
BOOL variance_present;
int pointer_length_set = 0;
TRACE("(%p,%p,%p)\n", pStubMsg, pMemory, pFormat);
@ -2642,6 +2885,32 @@ void WINAPI NdrComplexArrayBufferSize(PMIDL_STUB_MESSAGE pStubMsg,
alignment = pFormat[1] + 1;
if (!pStubMsg->IgnoreEmbeddedPointers && !pStubMsg->PointerLength)
{
/* save buffer fields that may be changed by buffer sizer functions
* and that may be needed later on */
int saved_ignore_embedded = pStubMsg->IgnoreEmbeddedPointers;
unsigned long saved_buffer_length = pStubMsg->BufferLength;
unsigned long saved_max_count = pStubMsg->MaxCount;
unsigned long saved_offset = pStubMsg->Offset;
unsigned long saved_actual_count = pStubMsg->ActualCount;
/* get the buffer pointer after complex array data, but before
* pointer data */
pStubMsg->IgnoreEmbeddedPointers = 1;
NdrComplexArrayBufferSize(pStubMsg, pMemory, pFormat);
pStubMsg->IgnoreEmbeddedPointers = saved_ignore_embedded;
/* save it for use by embedded pointer code later */
pStubMsg->PointerLength = pStubMsg->BufferLength;
pointer_length_set = 1;
/* restore fields */
pStubMsg->ActualCount = saved_actual_count;
pStubMsg->Offset = saved_offset;
pStubMsg->MaxCount = saved_max_count;
pStubMsg->BufferLength = saved_buffer_length;
}
def = *(const WORD*)&pFormat[2];
pFormat += 4;
@ -2661,6 +2930,12 @@ void WINAPI NdrComplexArrayBufferSize(PMIDL_STUB_MESSAGE pStubMsg,
count = pStubMsg->ActualCount;
for (i = 0; i < count; i++)
pMemory = ComplexBufferSize(pStubMsg, pMemory, pFormat, NULL);
if(pointer_length_set)
{
pStubMsg->BufferLength = pStubMsg->PointerLength;
pStubMsg->PointerLength = 0;
}
}
/***********************************************************************
@ -2761,6 +3036,7 @@ unsigned char * WINAPI NdrUserMarshalMarshall(PMIDL_STUB_MESSAGE pStubMsg,
{
unsigned flags = pFormat[1];
unsigned index = *(const WORD*)&pFormat[2];
unsigned char *saved_buffer = NULL;
ULONG uflag = UserMarshalFlags(pStubMsg);
TRACE("(%p,%p,%p)\n", pStubMsg, pMemory, pFormat);
TRACE("index=%d\n", index);
@ -2770,6 +3046,12 @@ unsigned char * WINAPI NdrUserMarshalMarshall(PMIDL_STUB_MESSAGE pStubMsg,
ALIGN_POINTER(pStubMsg->Buffer, 4);
NDR_LOCAL_UINT32_WRITE(pStubMsg->Buffer, USER_MARSHAL_PTR_PREFIX);
pStubMsg->Buffer += 4;
if (pStubMsg->PointerBufferMark)
{
saved_buffer = pStubMsg->Buffer;
pStubMsg->Buffer = pStubMsg->PointerBufferMark;
pStubMsg->PointerBufferMark = NULL;
}
ALIGN_POINTER(pStubMsg->Buffer, 8);
}
else
@ -2779,6 +3061,13 @@ unsigned char * WINAPI NdrUserMarshalMarshall(PMIDL_STUB_MESSAGE pStubMsg,
pStubMsg->StubDesc->aUserMarshalQuadruple[index].pfnMarshall(
&uflag, pStubMsg->Buffer, pMemory);
if (saved_buffer)
{
STD_OVERFLOW_CHECK(pStubMsg);
pStubMsg->PointerBufferMark = pStubMsg->Buffer;
pStubMsg->Buffer = saved_buffer;
}
STD_OVERFLOW_CHECK(pStubMsg);
return NULL;
@ -2795,6 +3084,7 @@ unsigned char * WINAPI NdrUserMarshalUnmarshall(PMIDL_STUB_MESSAGE pStubMsg,
unsigned flags = pFormat[1];
unsigned index = *(const WORD*)&pFormat[2];
DWORD memsize = *(const WORD*)&pFormat[4];
unsigned char *saved_buffer = NULL;
ULONG uflag = UserMarshalFlags(pStubMsg);
TRACE("(%p,%p,%p,%d)\n", pStubMsg, ppMemory, pFormat, fMustAlloc);
TRACE("index=%d\n", index);
@ -2804,6 +3094,12 @@ unsigned char * WINAPI NdrUserMarshalUnmarshall(PMIDL_STUB_MESSAGE pStubMsg,
ALIGN_POINTER(pStubMsg->Buffer, 4);
/* skip pointer prefix */
pStubMsg->Buffer += 4;
if (pStubMsg->PointerBufferMark)
{
saved_buffer = pStubMsg->Buffer;
pStubMsg->Buffer = pStubMsg->PointerBufferMark;
pStubMsg->PointerBufferMark = NULL;
}
ALIGN_POINTER(pStubMsg->Buffer, 8);
}
else
@ -2816,6 +3112,13 @@ unsigned char * WINAPI NdrUserMarshalUnmarshall(PMIDL_STUB_MESSAGE pStubMsg,
pStubMsg->StubDesc->aUserMarshalQuadruple[index].pfnUnmarshall(
&uflag, pStubMsg->Buffer, *ppMemory);
if (saved_buffer)
{
STD_OVERFLOW_CHECK(pStubMsg);
pStubMsg->PointerBufferMark = pStubMsg->Buffer;
pStubMsg->Buffer = saved_buffer;
}
return NULL;
}
@ -2830,6 +3133,7 @@ void WINAPI NdrUserMarshalBufferSize(PMIDL_STUB_MESSAGE pStubMsg,
unsigned index = *(const WORD*)&pFormat[2];
DWORD bufsize = *(const WORD*)&pFormat[6];
ULONG uflag = UserMarshalFlags(pStubMsg);
unsigned long saved_buffer_length = 0;
TRACE("(%p,%p,%p)\n", pStubMsg, pMemory, pFormat);
TRACE("index=%d\n", index);
@ -2838,6 +3142,14 @@ void WINAPI NdrUserMarshalBufferSize(PMIDL_STUB_MESSAGE pStubMsg,
ALIGN_LENGTH(pStubMsg->BufferLength, 4);
/* skip pointer prefix */
pStubMsg->BufferLength += 4;
if (pStubMsg->IgnoreEmbeddedPointers)
return;
if (pStubMsg->PointerLength)
{
saved_buffer_length = pStubMsg->BufferLength;
pStubMsg->BufferLength = pStubMsg->PointerLength;
pStubMsg->PointerLength = 0;
}
ALIGN_LENGTH(pStubMsg->BufferLength, 8);
}
else
@ -2846,12 +3158,18 @@ void WINAPI NdrUserMarshalBufferSize(PMIDL_STUB_MESSAGE pStubMsg,
if (bufsize) {
TRACE("size=%d\n", bufsize);
pStubMsg->BufferLength += bufsize;
return;
}
else
pStubMsg->BufferLength =
pStubMsg->StubDesc->aUserMarshalQuadruple[index].pfnBufferSize(
&uflag, pStubMsg->BufferLength, pMemory);
if (saved_buffer_length)
{
pStubMsg->PointerLength = pStubMsg->BufferLength;
pStubMsg->BufferLength = saved_buffer_length;
}
}
/***********************************************************************
@ -2875,11 +3193,16 @@ ULONG WINAPI NdrUserMarshalMemorySize(PMIDL_STUB_MESSAGE pStubMsg,
ALIGN_POINTER(pStubMsg->Buffer, 4);
/* skip pointer prefix */
pStubMsg->Buffer += 4;
if (pStubMsg->IgnoreEmbeddedPointers)
return pStubMsg->MemorySize;
ALIGN_POINTER(pStubMsg->Buffer, 8);
}
else
ALIGN_POINTER(pStubMsg->Buffer, (flags & 0xf) + 1);
if (!bufsize)
FIXME("not implemented for varying buffer size\n");
pStubMsg->Buffer += bufsize;
return pStubMsg->MemorySize;
@ -4092,15 +4415,31 @@ static unsigned char *union_arm_marshall(PMIDL_STUB_MESSAGE pStubMsg, unsigned c
if (m)
{
unsigned char *saved_buffer = NULL;
int pointer_buffer_mark_set = 0;
switch(*desc)
{
case RPC_FC_RP:
case RPC_FC_UP:
case RPC_FC_OP:
case RPC_FC_FP:
ALIGN_POINTER(pStubMsg->Buffer, 4);
saved_buffer = pStubMsg->Buffer;
if (pStubMsg->PointerBufferMark)
{
pStubMsg->Buffer = pStubMsg->PointerBufferMark;
pStubMsg->PointerBufferMark = NULL;
pointer_buffer_mark_set = 1;
}
else
pStubMsg->Buffer += 4; /* for pointer ID */
PointerMarshall(pStubMsg, saved_buffer, *(unsigned char **)pMemory, desc);
if (pointer_buffer_mark_set)
{
STD_OVERFLOW_CHECK(pStubMsg);
pStubMsg->PointerBufferMark = pStubMsg->Buffer;
pStubMsg->Buffer = saved_buffer + 4;
}
break;
default:
m(pStubMsg, pMemory, desc);
@ -4138,16 +4477,32 @@ static unsigned char *union_arm_unmarshall(PMIDL_STUB_MESSAGE pStubMsg,
if (m)
{
unsigned char *saved_buffer = NULL;
int pointer_buffer_mark_set = 0;
switch(*desc)
{
case RPC_FC_RP:
case RPC_FC_UP:
case RPC_FC_OP:
case RPC_FC_FP:
**(void***)ppMemory = NULL;
ALIGN_POINTER(pStubMsg->Buffer, 4);
saved_buffer = pStubMsg->Buffer;
if (pStubMsg->PointerBufferMark)
{
pStubMsg->Buffer = pStubMsg->PointerBufferMark;
pStubMsg->PointerBufferMark = NULL;
pointer_buffer_mark_set = 1;
}
else
pStubMsg->Buffer += 4; /* for pointer ID */
PointerUnmarshall(pStubMsg, saved_buffer, *(unsigned char ***)ppMemory, desc, TRUE);
PointerUnmarshall(pStubMsg, saved_buffer, *(unsigned char ***)ppMemory, desc, fMustAlloc);
if (pointer_buffer_mark_set)
{
STD_OVERFLOW_CHECK(pStubMsg);
pStubMsg->PointerBufferMark = pStubMsg->Buffer;
pStubMsg->Buffer = saved_buffer + 4;
}
break;
default:
m(pStubMsg, ppMemory, desc, fMustAlloc);
@ -4191,7 +4546,17 @@ static void union_arm_buffer_size(PMIDL_STUB_MESSAGE pStubMsg,
case RPC_FC_FP:
ALIGN_LENGTH(pStubMsg->BufferLength, 4);
pStubMsg->BufferLength += 4; /* for pointer ID */
if (!pStubMsg->IgnoreEmbeddedPointers)
{
int saved_buffer_length = pStubMsg->BufferLength;
pStubMsg->BufferLength = pStubMsg->PointerLength;
pStubMsg->PointerLength = 0;
if(!pStubMsg->BufferLength)
ERR("BufferLength == 0??\n");
PointerBufferSize(pStubMsg, *(unsigned char **)pMemory, desc);
pStubMsg->PointerLength = pStubMsg->BufferLength;
pStubMsg->BufferLength = saved_buffer_length;
}
break;
default:
m(pStubMsg, pMemory, desc);
@ -4238,6 +4603,7 @@ static ULONG union_arm_memory_size(PMIDL_STUB_MESSAGE pStubMsg,
pStubMsg->Buffer += 4;
ALIGN_LENGTH(pStubMsg->MemorySize, 4);
pStubMsg->MemorySize += 4;
if (!pStubMsg->IgnoreEmbeddedPointers)
PointerMemorySize(pStubMsg, saved_buffer, pFormat);
break;
default: