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rpcrt4: Add support for complex arrays in the generic array unmarshalling functions.

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This commit is contained in:
Alexandre Julliard 2010-04-05 22:02:20 +02:00
parent 3243ee7e0b
commit fe2f875aaf
1 changed files with 82 additions and 50 deletions
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132
dlls/rpcrt4/ndr_marshall.c
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@ -27,6 +27,7 @@
* - Checks for integer addition overflow in user marshall functions
*/
#include <assert.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
@ -2046,7 +2047,8 @@ static inline void array_write_variance_and_marshall(
static inline ULONG array_read_conformance(
unsigned char fc, PMIDL_STUB_MESSAGE pStubMsg, PFORMAT_STRING pFormat)
{
DWORD esize;
DWORD def, esize;
unsigned char alignment;
switch (fc)
{
@ -2070,6 +2072,21 @@ static inline ULONG array_read_conformance(
else
ReadConformance(pStubMsg, NULL);
return safe_multiply(esize, pStubMsg->MaxCount);
case RPC_FC_BOGUS_ARRAY:
alignment = pFormat[1] + 1;
def = *(const WORD *)(pFormat + 2);
pFormat += 4;
if (IsConformanceOrVariancePresent(pFormat)) pFormat = ReadConformance(pStubMsg, pFormat);
else
{
pStubMsg->MaxCount = def;
pFormat = SkipConformance( pStubMsg, pFormat );
}
pFormat = SkipVariance( pStubMsg, pFormat );
align_pointer(&pStubMsg->Buffer, alignment);
esize = ComplexStructSize(pStubMsg, pFormat);
return safe_multiply(pStubMsg->MaxCount, esize);
default:
ERR("unknown array format 0x%x\n", fc);
RpcRaiseException(RPC_X_BAD_STUB_DATA);
@ -2084,8 +2101,8 @@ static inline ULONG array_read_variance_and_unmarshall(
ULONG bufsize, memsize;
WORD esize;
unsigned char alignment;
unsigned char *saved_buffer;
ULONG offset;
unsigned char *saved_buffer, *pMemory;
ULONG i, offset, count;
switch (fc)
{
@ -2204,6 +2221,31 @@ static inline ULONG array_read_variance_and_unmarshall(
TRACE("string=%s\n", debugstr_w((LPWSTR)*ppMemory));
}
return bufsize;
case RPC_FC_BOGUS_ARRAY:
alignment = pFormat[1] + 1;
pFormat = SkipConformance(pStubMsg, pFormat + 4);
pFormat = ReadVariance(pStubMsg, pFormat, pStubMsg->MaxCount);
esize = ComplexStructSize(pStubMsg, pFormat);
memsize = safe_multiply(esize, pStubMsg->MaxCount);
assert( fUnmarshall );
if (!fMustAlloc && !*ppMemory)
fMustAlloc = TRUE;
if (fMustAlloc)
*ppMemory = NdrAllocate(pStubMsg, memsize);
align_pointer(&pStubMsg->Buffer, alignment);
saved_buffer = pStubMsg->Buffer;
pMemory = *ppMemory;
count = pStubMsg->ActualCount;
for (i = 0; i < count; i++)
pMemory = ComplexUnmarshall(pStubMsg, pMemory, pFormat, NULL, fMustAlloc);
return pStubMsg->Buffer - saved_buffer;
default:
ERR("unknown array format 0x%x\n", fc);
RpcRaiseException(RPC_X_BAD_STUB_DATA);
@ -2214,6 +2256,7 @@ static inline void array_memory_size(
unsigned char fc, PMIDL_STUB_MESSAGE pStubMsg, PFORMAT_STRING pFormat,
unsigned char fHasPointers)
{
ULONG i, count, SavedMemorySize;
ULONG bufsize, memsize;
DWORD esize;
unsigned char alignment;
@ -2286,6 +2329,24 @@ static inline void array_memory_size(
safe_buffer_increment(pStubMsg, bufsize);
pStubMsg->MemorySize += memsize;
break;
case RPC_FC_BOGUS_ARRAY:
alignment = pFormat[1] + 1;
pFormat = SkipConformance(pStubMsg, pFormat + 4);
pFormat = ReadVariance(pStubMsg, pFormat, pStubMsg->MaxCount);
align_pointer(&pStubMsg->Buffer, alignment);
SavedMemorySize = pStubMsg->MemorySize;
esize = ComplexStructSize(pStubMsg, pFormat);
memsize = safe_multiply(pStubMsg->MaxCount, esize);
count = pStubMsg->ActualCount;
for (i = 0; i < count; i++)
ComplexStructMemorySize(pStubMsg, pFormat, NULL);
pStubMsg->MemorySize = SavedMemorySize + memsize;
break;
default:
ERR("unknown array format 0x%x\n", fc);
RpcRaiseException(RPC_X_BAD_STUB_DATA);
@ -2296,6 +2357,8 @@ static inline void array_free(
unsigned char fc, PMIDL_STUB_MESSAGE pStubMsg,
unsigned char *pMemory, PFORMAT_STRING pFormat, unsigned char fHasPointers)
{
DWORD i, count;
switch (fc)
{
case RPC_FC_CARRAY:
@ -2313,6 +2376,15 @@ static inline void array_free(
case RPC_FC_C_WSTRING:
/* No embedded pointers so nothing to do */
break;
case RPC_FC_BOGUS_ARRAY:
count = *(const WORD *)(pFormat + 2);
pFormat = ComputeConformance(pStubMsg, pMemory, pFormat + 4, count);
pFormat = ComputeVariance(pStubMsg, pMemory, pFormat, pStubMsg->MaxCount);
count = pStubMsg->ActualCount;
for (i = 0; i < count; i++)
pMemory = ComplexFree(pStubMsg, pMemory, pFormat, NULL);
break;
default:
ERR("unknown array format 0x%x\n", fc);
RpcRaiseException(RPC_X_BAD_STUB_DATA);
@ -4048,9 +4120,7 @@ unsigned char * WINAPI NdrComplexArrayUnmarshall(PMIDL_STUB_MESSAGE pStubMsg,
PFORMAT_STRING pFormat,
unsigned char fMustAlloc)
{
ULONG i, count, size;
unsigned char alignment;
unsigned char *pMemory;
ULONG size;
unsigned char *saved_buffer;
int pointer_buffer_mark_set = 0;
int saved_ignore_embedded;
@ -4064,8 +4134,6 @@ unsigned char * WINAPI NdrComplexArrayUnmarshall(PMIDL_STUB_MESSAGE pStubMsg,
return NULL;
}
alignment = pFormat[1] + 1;
saved_ignore_embedded = pStubMsg->IgnoreEmbeddedPointers;
/* save buffer pointer */
saved_buffer = pStubMsg->Buffer;
@ -4087,22 +4155,9 @@ unsigned char * WINAPI NdrComplexArrayUnmarshall(PMIDL_STUB_MESSAGE pStubMsg,
/* restore the original buffer */
pStubMsg->Buffer = saved_buffer;
pFormat += 4;
pFormat = ReadConformance(pStubMsg, pFormat);
pFormat = ReadVariance(pStubMsg, pFormat, pStubMsg->MaxCount);
if (!fMustAlloc && !*ppMemory)
fMustAlloc = TRUE;
if (fMustAlloc)
*ppMemory = NdrAllocate(pStubMsg, size);
align_pointer(&pStubMsg->Buffer, alignment);
pMemory = *ppMemory;
count = pStubMsg->ActualCount;
for (i = 0; i < count; i++)
pMemory = ComplexUnmarshall(pStubMsg, pMemory, pFormat, NULL, fMustAlloc);
array_read_conformance(RPC_FC_BOGUS_ARRAY, pStubMsg, pFormat);
array_read_variance_and_unmarshall(RPC_FC_BOGUS_ARRAY, pStubMsg, ppMemory, pFormat, fMustAlloc,
TRUE /* fUseBufferMemoryServer */, TRUE /* fUnmarshall */);
if (pointer_buffer_mark_set)
{
@ -4174,9 +4229,6 @@ void WINAPI NdrComplexArrayBufferSize(PMIDL_STUB_MESSAGE pStubMsg,
ULONG WINAPI NdrComplexArrayMemorySize(PMIDL_STUB_MESSAGE pStubMsg,
PFORMAT_STRING pFormat)
{
ULONG i, count, esize, SavedMemorySize, MemorySize;
unsigned char alignment;
TRACE("(%p,%p)\n", pStubMsg, pFormat);
if (pFormat[0] != RPC_FC_BOGUS_ARRAY)
@ -4186,29 +4238,9 @@ ULONG WINAPI NdrComplexArrayMemorySize(PMIDL_STUB_MESSAGE pStubMsg,
return 0;
}
alignment = pFormat[1] + 1;
pFormat += 4;
pFormat = ReadConformance(pStubMsg, pFormat);
pFormat = ReadVariance(pStubMsg, pFormat, pStubMsg->MaxCount);
align_pointer(&pStubMsg->Buffer, alignment);
SavedMemorySize = pStubMsg->MemorySize;
esize = ComplexStructSize(pStubMsg, pFormat);
MemorySize = safe_multiply(pStubMsg->MaxCount, esize);
count = pStubMsg->ActualCount;
for (i = 0; i < count; i++)
ComplexStructMemorySize(pStubMsg, pFormat, NULL);
pStubMsg->MemorySize = SavedMemorySize;
pStubMsg->MemorySize += MemorySize;
return MemorySize;
array_read_conformance(RPC_FC_BOGUS_ARRAY, pStubMsg, pFormat);
array_memory_size(RPC_FC_BOGUS_ARRAY, pStubMsg, pFormat, TRUE /* fHasPointers */);
return pStubMsg->MemorySize;
}
/***********************************************************************