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rpcrt4: Fix the conformant struct functions to not call conformant array functions. 

The conformance has to be the first thing in the buffer, in accordance 
with the DCE/RPC spec and to be compatible with the pointer layout 
format strings that MIDL generates.
This commit is contained in:
Robert Shearman 2006-05-15 13:35:31 +01:00 committed by Alexandre Julliard
parent 4af0a6b805
commit 2aff761dfd
1 changed files with 61 additions and 42 deletions
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103
dlls/rpcrt4/ndr_marshall.c
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@ -2651,10 +2651,12 @@ unsigned char * WINAPI NdrConformantStructMarshall(PMIDL_STUB_MESSAGE pStubMsg,
PFORMAT_STRING pFormat)
{
const NDR_CSTRUCT_FORMAT * pCStructFormat = (NDR_CSTRUCT_FORMAT*)pFormat;
pFormat += sizeof(NDR_CSTRUCT_FORMAT);
PFORMAT_STRING pCArrayFormat;
ULONG esize;
TRACE("(%p, %p, %p)\n", pStubMsg, pMemory, pFormat);
pFormat += sizeof(NDR_CSTRUCT_FORMAT);
if ((pCStructFormat->type != RPC_FC_CPSTRUCT) && (pCStructFormat->type != RPC_FC_CSTRUCT))
{
ERR("invalid format type %x\n", pCStructFormat->type);
@ -2662,22 +2664,35 @@ unsigned char * WINAPI NdrConformantStructMarshall(PMIDL_STUB_MESSAGE pStubMsg,
return NULL;
}
pCArrayFormat = (unsigned char*)&pCStructFormat->offset_to_array_description +
pCStructFormat->offset_to_array_description;
if (*pCArrayFormat != RPC_FC_CARRAY)
{
ERR("invalid array format type %x\n", pCStructFormat->type);
RpcRaiseException(RPC_S_INTERNAL_ERROR);
return NULL;
}
esize = *(const WORD*)(pCArrayFormat+2);
ComputeConformance(pStubMsg, pMemory + pCStructFormat->memory_size,
pCArrayFormat + 4, 0);
WriteConformance(pStubMsg);
ALIGN_POINTER(pStubMsg->Buffer, pCStructFormat->alignment + 1);
TRACE("memory_size = %d\n", pCStructFormat->memory_size);
/* copy constant sized part of struct */
memcpy(pStubMsg->Buffer, pMemory, pCStructFormat->memory_size);
pStubMsg->Buffer += pCStructFormat->memory_size;
pStubMsg->BufferMark = pStubMsg->Buffer;
memcpy(pStubMsg->Buffer, pMemory, pCStructFormat->memory_size + pStubMsg->MaxCount * esize);
pStubMsg->Buffer += pCStructFormat->memory_size + pStubMsg->MaxCount * esize;
if (pCStructFormat->offset_to_array_description)
{
PFORMAT_STRING pArrayFormat = (unsigned char*)&pCStructFormat->offset_to_array_description +
pCStructFormat->offset_to_array_description;
NdrConformantArrayMarshall(pStubMsg, pMemory + pCStructFormat->memory_size, pArrayFormat);
}
if (pCStructFormat->type == RPC_FC_CPSTRUCT)
EmbeddedPointerMarshall(pStubMsg, pMemory, pFormat);
STD_OVERFLOW_CHECK(pStubMsg);
return NULL;
}
@ -2690,16 +2705,29 @@ unsigned char * WINAPI NdrConformantStructUnmarshall(PMIDL_STUB_MESSAGE pStubMs
unsigned char fMustAlloc)
{
const NDR_CSTRUCT_FORMAT * pCStructFormat = (NDR_CSTRUCT_FORMAT*)pFormat;
pFormat += sizeof(NDR_CSTRUCT_FORMAT);
PFORMAT_STRING pCArrayFormat;
ULONG esize;
TRACE("(%p, %p, %p, %d)\n", pStubMsg, ppMemory, pFormat, fMustAlloc);
pFormat += sizeof(NDR_CSTRUCT_FORMAT);
if ((pCStructFormat->type != RPC_FC_CPSTRUCT) && (pCStructFormat->type != RPC_FC_CSTRUCT))
{
ERR("invalid format type %x\n", pCStructFormat->type);
RpcRaiseException(RPC_S_INTERNAL_ERROR);
return NULL;
}
pCArrayFormat = (unsigned char*)&pCStructFormat->offset_to_array_description +
pCStructFormat->offset_to_array_description;
if (*pCArrayFormat != RPC_FC_CARRAY)
{
ERR("invalid array format type %x\n", pCStructFormat->type);
RpcRaiseException(RPC_S_INTERNAL_ERROR);
return NULL;
}
esize = *(const WORD*)(pCArrayFormat+2);
pCArrayFormat = ReadConformance(pStubMsg, pCArrayFormat + 4);
ALIGN_POINTER(pStubMsg->Buffer, pCStructFormat->alignment + 1);
@ -2708,35 +2736,18 @@ unsigned char * WINAPI NdrConformantStructUnmarshall(PMIDL_STUB_MESSAGE pStubMs
/* work out how much memory to allocate if we need to do so */
if (!*ppMemory || fMustAlloc)
{
SIZE_T size = pCStructFormat->memory_size;
if (pCStructFormat->offset_to_array_description)
{
unsigned char *buffer;
PFORMAT_STRING pArrayFormat = (unsigned char*)&pCStructFormat->offset_to_array_description +
pCStructFormat->offset_to_array_description;
buffer = pStubMsg->Buffer;
pStubMsg->Buffer += pCStructFormat->memory_size;
size += NdrConformantArrayMemorySize(pStubMsg, pArrayFormat);
pStubMsg->Buffer = buffer;
}
SIZE_T size = pCStructFormat->memory_size + pStubMsg->MaxCount * esize;
*ppMemory = NdrAllocate(pStubMsg, size);
}
/* now copy the data */
memcpy(*ppMemory, pStubMsg->Buffer, pCStructFormat->memory_size);
pStubMsg->Buffer += pCStructFormat->memory_size;
if (pCStructFormat->offset_to_array_description)
{
PFORMAT_STRING pArrayFormat = (unsigned char*)&pCStructFormat->offset_to_array_description +
pCStructFormat->offset_to_array_description;
unsigned char *pMemoryArray = *ppMemory + pCStructFormat->memory_size;
/* note that we pass fMustAlloc as 0 as we have already allocated the
* memory */
NdrConformantArrayUnmarshall(pStubMsg, &pMemoryArray, pArrayFormat, 0);
}
pStubMsg->BufferMark = pStubMsg->Buffer;
memcpy(*ppMemory, pStubMsg->Buffer, pCStructFormat->memory_size + pStubMsg->MaxCount * esize);
pStubMsg->Buffer += pCStructFormat->memory_size + pStubMsg->MaxCount * esize;
if (pCStructFormat->type == RPC_FC_CPSTRUCT)
EmbeddedPointerUnmarshall(pStubMsg, ppMemory, pFormat, fMustAlloc);
return NULL;
}
@ -2748,29 +2759,37 @@ void WINAPI NdrConformantStructBufferSize(PMIDL_STUB_MESSAGE pStubMsg,
PFORMAT_STRING pFormat)
{
const NDR_CSTRUCT_FORMAT * pCStructFormat = (NDR_CSTRUCT_FORMAT*)pFormat;
pFormat += sizeof(NDR_CSTRUCT_FORMAT);
PFORMAT_STRING pCArrayFormat;
ULONG esize;
TRACE("(%p, %p, %p)\n", pStubMsg, pMemory, pFormat);
pFormat += sizeof(NDR_CSTRUCT_FORMAT);
if ((pCStructFormat->type != RPC_FC_CPSTRUCT) && (pCStructFormat->type != RPC_FC_CSTRUCT))
{
ERR("invalid format type %x\n", pCStructFormat->type);
RpcRaiseException(RPC_S_INTERNAL_ERROR);
return;
}
pCArrayFormat = (unsigned char*)&pCStructFormat->offset_to_array_description +
pCStructFormat->offset_to_array_description;
if (*pCArrayFormat != RPC_FC_CARRAY)
{
ERR("invalid array format type %x\n", pCStructFormat->type);
RpcRaiseException(RPC_S_INTERNAL_ERROR);
return;
}
esize = *(const WORD*)(pCArrayFormat+2);
pCArrayFormat = ComputeConformance(pStubMsg, pMemory + pCStructFormat->memory_size, pCArrayFormat+4, 0);
SizeConformance(pStubMsg);
ALIGN_LENGTH(pStubMsg->BufferLength, pCStructFormat->alignment + 1);
TRACE("memory_size = %d\n", pCStructFormat->memory_size);
/* add constant sized part of struct to buffer size */
pStubMsg->BufferLength += pCStructFormat->memory_size;
pStubMsg->BufferLength += pCStructFormat->memory_size + esize * pStubMsg->MaxCount;
if (pCStructFormat->offset_to_array_description)
{
PFORMAT_STRING pArrayFormat = (unsigned char*)&pCStructFormat->offset_to_array_description +
pCStructFormat->offset_to_array_description;
NdrConformantArrayBufferSize(pStubMsg, pMemory + pCStructFormat->memory_size, pArrayFormat);
}
if (pCStructFormat->type == RPC_FC_CPSTRUCT)
EmbeddedPointerBufferSize(pStubMsg, pMemory, pFormat);
}