marko10_000
/
wine-wine
forked from Mirrors/wine-wine
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

rpcrt4: Correctly align the buffer to read/write array data to.

oldstable
Robert Shearman 2006-05-10 13:12:52 +01:00 committed by Alexandre Julliard
parent 95d79e2c58
commit 4b4192f3a5
1 changed files with 43 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
dlls/rpcrt4/ndr_marshall.c
View File

@ -1906,6 +1906,8 @@ unsigned char * WINAPI NdrConformantArrayMarshall(PMIDL_STUB_MESSAGE pStubMsg,
PFORMAT_STRING pFormat)
{
DWORD size = 0, esize = *(const WORD*)(pFormat+2);
unsigned char alignment = pFormat[1] + 1;
TRACE("(%p,%p,%p)\n", pStubMsg, pMemory, pFormat);
if (pFormat[0] != RPC_FC_CARRAY) FIXME("format=%d\n", pFormat[0]);
@ -1915,6 +1917,8 @@ unsigned char * WINAPI NdrConformantArrayMarshall(PMIDL_STUB_MESSAGE pStubMsg,
NDR_LOCAL_UINT32_WRITE(pStubMsg->Buffer, size);
pStubMsg->Buffer += 4;
ALIGN_POINTER(pStubMsg->Buffer, alignment);
memcpy(pStubMsg->Buffer, pMemory, size*esize);
pStubMsg->BufferMark = pStubMsg->Buffer;
pStubMsg->Buffer += size*esize;
@ -1935,6 +1939,8 @@ unsigned char * WINAPI NdrConformantArrayUnmarshall(PMIDL_STUB_MESSAGE pStubMsg,
unsigned char fMustAlloc)
{
DWORD size = 0, esize = *(const WORD*)(pFormat+2);
unsigned char alignment = pFormat[1] + 1;
TRACE("(%p,%p,%p,%d)\n", pStubMsg, ppMemory, pFormat, fMustAlloc);
if (pFormat[0] != RPC_FC_CARRAY) FIXME("format=%d\n", pFormat[0]);
@ -1944,6 +1950,8 @@ unsigned char * WINAPI NdrConformantArrayUnmarshall(PMIDL_STUB_MESSAGE pStubMsg,
if (fMustAlloc || !*ppMemory)
*ppMemory = NdrAllocate(pStubMsg, size*esize);
ALIGN_POINTER(pStubMsg->Buffer, alignment);
memcpy(*ppMemory, pStubMsg->Buffer, size*esize);
pStubMsg->BufferMark = pStubMsg->Buffer;
@ -1962,14 +1970,19 @@ void WINAPI NdrConformantArrayBufferSize(PMIDL_STUB_MESSAGE pStubMsg,
PFORMAT_STRING pFormat)
{
DWORD size = 0, esize = *(const WORD*)(pFormat+2);
unsigned char alignment = pFormat[1] + 1;
TRACE("(%p,%p,%p)\n", pStubMsg, pMemory, pFormat);
if (pFormat[0] != RPC_FC_CARRAY) FIXME("format=%d\n", pFormat[0]);
pFormat = ComputeConformance(pStubMsg, pMemory, pFormat+4, 0);
size = pStubMsg->MaxCount;
pStubMsg->BufferLength += 4;
ALIGN_LENGTH(pStubMsg->BufferLength, alignment);
/* conformance value plus array */
pStubMsg->BufferLength += sizeof(DWORD) + size*esize;
pStubMsg->BufferLength += size*esize;
EmbeddedPointerBufferSize(pStubMsg, pMemory, pFormat);
}
@ -2015,6 +2028,7 @@ unsigned char* WINAPI NdrConformantVaryingArrayMarshall( PMIDL_STUB_MESSAGE pStu
unsigned char* pMemory,
PFORMAT_STRING pFormat )
{
unsigned char alignment = pFormat[1] + 1;
DWORD esize = *(const WORD*)(pFormat+2);
TRACE("(%p, %p, %p)\n", pStubMsg, pMemory, pFormat);
@ -2036,6 +2050,8 @@ unsigned char* WINAPI NdrConformantVaryingArrayMarshall( PMIDL_STUB_MESSAGE pStu
NDR_LOCAL_UINT32_WRITE(pStubMsg->Buffer, pStubMsg->ActualCount);
pStubMsg->Buffer += 4;
ALIGN_POINTER(pStubMsg->Buffer, alignment);
memcpy(pStubMsg->Buffer, pMemory + pStubMsg->Offset, pStubMsg->ActualCount*esize);
pStubMsg->BufferMark = pStubMsg->Buffer;
pStubMsg->Buffer += pStubMsg->ActualCount*esize;
@ -2056,6 +2072,7 @@ unsigned char* WINAPI NdrConformantVaryingArrayUnmarshall( PMIDL_STUB_MESSAGE pS
PFORMAT_STRING pFormat,
unsigned char fMustAlloc )
{
unsigned char alignment = pFormat[1] + 1;
DWORD esize = *(const WORD*)(pFormat+2);
TRACE("(%p, %p, %p, %d)\n", pStubMsg, ppMemory, pFormat, fMustAlloc);
@ -2066,9 +2083,12 @@ unsigned char* WINAPI NdrConformantVaryingArrayUnmarshall( PMIDL_STUB_MESSAGE pS
RpcRaiseException(RPC_S_INTERNAL_ERROR);
return NULL;
}
pFormat = ReadConformance(pStubMsg, pFormat);
pFormat = ReadVariance(pStubMsg, pFormat);
ALIGN_POINTER(pStubMsg->Buffer, alignment);
if (!*ppMemory || fMustAlloc)
*ppMemory = NdrAllocate(pStubMsg, pStubMsg->MaxCount * esize);
memcpy(*ppMemory + pStubMsg->Offset, pStubMsg->Buffer, pStubMsg->ActualCount * esize);
@ -2109,6 +2129,7 @@ void WINAPI NdrConformantVaryingArrayFree( PMIDL_STUB_MESSAGE pStubMsg,
void WINAPI NdrConformantVaryingArrayBufferSize( PMIDL_STUB_MESSAGE pStubMsg,
unsigned char* pMemory, PFORMAT_STRING pFormat )
{
unsigned char alignment = pFormat[1] + 1;
DWORD esize = *(const WORD*)(pFormat+2);
TRACE("(%p, %p, %p)\n", pStubMsg, pMemory, pFormat);
@ -2125,8 +2146,12 @@ void WINAPI NdrConformantVaryingArrayBufferSize( PMIDL_STUB_MESSAGE pStubMsg,
/* compute length */
pFormat = ComputeVariance(pStubMsg, pMemory, pFormat, 0);
/* conformance + offset + variance + array */
pStubMsg->BufferLength += 3*sizeof(DWORD) + pStubMsg->ActualCount*esize;
/* conformance + offset + variance */
pStubMsg->BufferLength += 3 * sizeof(DWORD);
ALIGN_LENGTH(pStubMsg->BufferLength, alignment);
pStubMsg->BufferLength += pStubMsg->ActualCount*esize;
EmbeddedPointerBufferSize(pStubMsg, pMemory, pFormat);
}
@ -2152,6 +2177,7 @@ unsigned char * WINAPI NdrComplexArrayMarshall(PMIDL_STUB_MESSAGE pStubMsg,
{
ULONG count, def;
BOOL variance_present;
unsigned char alignment;
TRACE("(%p,%p,%p)\n", pStubMsg, pMemory, pFormat);
@ -2162,6 +2188,8 @@ unsigned char * WINAPI NdrComplexArrayMarshall(PMIDL_STUB_MESSAGE pStubMsg,
return NULL;
}
alignment = pFormat[1] + 1;
def = *(const WORD*)&pFormat[2];
pFormat += 4;
@ -2182,6 +2210,8 @@ unsigned char * WINAPI NdrComplexArrayMarshall(PMIDL_STUB_MESSAGE pStubMsg,
pStubMsg->Buffer += 4;
}
ALIGN_POINTER(pStubMsg->Buffer, alignment);
for (count = 0; count < pStubMsg->ActualCount; count++)
pMemory = ComplexMarshall(pStubMsg, pMemory, pFormat, NULL);
@ -2199,6 +2229,7 @@ unsigned char * WINAPI NdrComplexArrayUnmarshall(PMIDL_STUB_MESSAGE pStubMsg,
unsigned char fMustAlloc)
{
ULONG count, esize;
unsigned char alignment;
unsigned char *pMemory;
TRACE("(%p,%p,%p,%d)\n", pStubMsg, ppMemory, pFormat, fMustAlloc);
@ -2210,6 +2241,8 @@ unsigned char * WINAPI NdrComplexArrayUnmarshall(PMIDL_STUB_MESSAGE pStubMsg,
return NULL;
}
alignment = pFormat[1] + 1;
pFormat += 4;
pFormat = ReadConformance(pStubMsg, pFormat);
@ -2223,6 +2256,8 @@ unsigned char * WINAPI NdrComplexArrayUnmarshall(PMIDL_STUB_MESSAGE pStubMsg,
memset(*ppMemory, 0, pStubMsg->MaxCount * esize);
}
ALIGN_POINTER(pStubMsg->Buffer, alignment);
pMemory = *ppMemory;
for (count = 0; count < pStubMsg->ActualCount; count++)
pMemory = ComplexUnmarshall(pStubMsg, pMemory, pFormat, NULL, fMustAlloc);
@ -2238,6 +2273,7 @@ void WINAPI NdrComplexArrayBufferSize(PMIDL_STUB_MESSAGE pStubMsg,
PFORMAT_STRING pFormat)
{
ULONG count, def;
unsigned char alignment;
BOOL variance_present;
TRACE("(%p,%p,%p)\n", pStubMsg, pMemory, pFormat);
@ -2249,6 +2285,8 @@ void WINAPI NdrComplexArrayBufferSize(PMIDL_STUB_MESSAGE pStubMsg,
return;
}
alignment = pFormat[1] + 1;
def = *(const WORD*)&pFormat[2];
pFormat += 4;
@ -2263,6 +2301,8 @@ void WINAPI NdrComplexArrayBufferSize(PMIDL_STUB_MESSAGE pStubMsg,
if (variance_present)
pStubMsg->BufferLength += 2*sizeof(ULONG);
ALIGN_LENGTH(pStubMsg->BufferLength, alignment);
for (count=0; count < pStubMsg->ActualCount; count++)
pMemory = ComplexBufferSize(pStubMsg, pMemory, pFormat, NULL);
}