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rpcrt4: Add a phase in proxies for zeroing output parameters on startup.

This commit is contained in:
Alexandre Julliard 2011-07-28 22:43:12 +02:00
parent a37ec01bd1
commit 2bdff69733
1 changed files with 89 additions and 73 deletions
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162
dlls/rpcrt4/ndr_stubless.c
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@ -144,6 +144,62 @@ static inline void call_freer(PMIDL_STUB_MESSAGE pStubMsg, unsigned char *pMemor
if (m) m(pStubMsg, pMemory, pFormat);
}
static DWORD calc_arg_size(MIDL_STUB_MESSAGE *pStubMsg, PFORMAT_STRING pFormat)
{
DWORD size;
switch(*pFormat)
{
case RPC_FC_STRUCT:
size = *(const WORD*)(pFormat + 2);
break;
case RPC_FC_BOGUS_STRUCT:
size = *(const WORD*)(pFormat + 2);
if(*(const WORD*)(pFormat + 4))
FIXME("Unhandled conformant description\n");
break;
case RPC_FC_CARRAY:
case RPC_FC_CVARRAY:
size = *(const WORD*)(pFormat + 2);
ComputeConformance(pStubMsg, NULL, pFormat + 4, 0);
size *= pStubMsg->MaxCount;
break;
case RPC_FC_SMFARRAY:
case RPC_FC_SMVARRAY:
size = *(const WORD*)(pFormat + 2);
break;
case RPC_FC_LGFARRAY:
case RPC_FC_LGVARRAY:
size = *(const DWORD*)(pFormat + 2);
break;
case RPC_FC_BOGUS_ARRAY:
pFormat = ComputeConformance(pStubMsg, NULL, pFormat + 4, *(const WORD*)&pFormat[2]);
TRACE("conformance = %ld\n", pStubMsg->MaxCount);
pFormat = ComputeVariance(pStubMsg, NULL, pFormat, pStubMsg->MaxCount);
size = ComplexStructSize(pStubMsg, pFormat);
size *= pStubMsg->MaxCount;
break;
case RPC_FC_C_CSTRING:
case RPC_FC_C_WSTRING:
if (*pFormat == RPC_FC_C_CSTRING)
size = sizeof(CHAR);
else
size = sizeof(WCHAR);
if (pFormat[1] == RPC_FC_STRING_SIZED)
ComputeConformance(pStubMsg, NULL, pFormat + 2, 0);
else
pStubMsg->MaxCount = 0;
size *= pStubMsg->MaxCount;
break;
default:
FIXME("Unhandled type %02x\n", *pFormat);
/* fallthrough */
case RPC_FC_RP:
size = sizeof(void *);
break;
}
return size;
}
void WINAPI NdrRpcSmSetClientToOsf(PMIDL_STUB_MESSAGE pMessage)
{
#if 0 /* these functions are not defined yet */
@ -367,6 +423,13 @@ void client_do_args( PMIDL_STUB_MESSAGE pStubMsg, PFORMAT_STRING pFormat, enum s
switch (phase)
{
case STUBLESS_INITOUT:
if (!params[i].attr.IsBasetype && params[i].attr.IsOut &&
!params[i].attr.IsIn && !params[i].attr.IsByValue)
{
memset( *(unsigned char **)pArg, 0, calc_arg_size( pStubMsg, pTypeFormat ));
}
break;
case STUBLESS_CALCSIZE:
if (params[i].attr.IsSimpleRef && !*(unsigned char **)pArg)
RpcRaiseException(RPC_X_NULL_REF_POINTER);
@ -648,24 +711,33 @@ LONG_PTR CDECL ndr_client_call( PMIDL_STUB_DESC pStubDesc, PFORMAT_STRING pForma
}
/* order of phases:
* 1. CALCSIZE - calculate the buffer size
* 2. GETBUFFER - allocate the buffer
* 3. MARSHAL - marshal [in] params into the buffer
* 4. SENDRECEIVE - send/receive buffer
* 5. UNMARSHAL - unmarshal [out] params from buffer
* 6. FREE - clear [out] parameters (for proxies, and only on error)
* 1. INITOUT - zero [out] parameters (proxies only)
* 2. CALCSIZE - calculate the buffer size
* 3. GETBUFFER - allocate the buffer
* 4. MARSHAL - marshal [in] params into the buffer
* 5. SENDRECEIVE - send/receive buffer
* 6. UNMARSHAL - unmarshal [out] params from buffer
* 7. FREE - clear [out] parameters (for proxies, and only on error)
*/
if ((pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT) ||
(pProcHeader->Oi_flags & RPC_FC_PROC_OIF_HAS_COMM_OR_FAULT))
{
/* 1. INITOUT */
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
{
TRACE( "INITOUT\n" );
client_do_args(&stubMsg, pFormat, STUBLESS_INITOUT, fpu_stack,
number_of_params, (unsigned char *)&RetVal);
}
__TRY
{
/* 1. CALCSIZE */
/* 2. CALCSIZE */
TRACE( "CALCSIZE\n" );
client_do_args(&stubMsg, pFormat, STUBLESS_CALCSIZE, fpu_stack,
number_of_params, (unsigned char *)&RetVal);
/* 2. GETBUFFER */
/* 3. GETBUFFER */
TRACE( "GETBUFFER\n" );
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
{
@ -691,12 +763,12 @@ LONG_PTR CDECL ndr_client_call( PMIDL_STUB_DESC pStubDesc, PFORMAT_STRING pForma
}
}
/* 3. MARSHAL */
/* 4. MARSHAL */
TRACE( "MARSHAL\n" );
client_do_args(&stubMsg, pFormat, STUBLESS_MARSHAL, fpu_stack,
number_of_params, (unsigned char *)&RetVal);
/* 4. SENDRECEIVE */
/* 5. SENDRECEIVE */
TRACE( "SENDRECEIVE\n" );
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
{
@ -729,7 +801,7 @@ LONG_PTR CDECL ndr_client_call( PMIDL_STUB_DESC pStubDesc, PFORMAT_STRING pForma
if ((rpcMsg.DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION)
NdrConvert(&stubMsg, pFormat);
/* 5. UNMARSHAL */
/* 6. UNMARSHAL */
TRACE( "UNMARSHAL\n" );
client_do_args(&stubMsg, pFormat, STUBLESS_UNMARSHAL, fpu_stack,
number_of_params, (unsigned char *)&RetVal);
@ -738,7 +810,7 @@ LONG_PTR CDECL ndr_client_call( PMIDL_STUB_DESC pStubDesc, PFORMAT_STRING pForma
{
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
{
/* 6. FREE */
/* 7. FREE */
TRACE( "FREE\n" );
client_do_args(&stubMsg, pFormat, STUBLESS_FREE, fpu_stack,
number_of_params, (unsigned char *)&RetVal);
@ -774,12 +846,12 @@ LONG_PTR CDECL ndr_client_call( PMIDL_STUB_DESC pStubDesc, PFORMAT_STRING pForma
}
else
{
/* 1. CALCSIZE */
/* 2. CALCSIZE */
TRACE( "CALCSIZE\n" );
client_do_args(&stubMsg, pFormat, STUBLESS_CALCSIZE, fpu_stack,
number_of_params, (unsigned char *)&RetVal);
/* 2. GETBUFFER */
/* 3. GETBUFFER */
TRACE( "GETBUFFER\n" );
if (Oif_flags.HasPipes)
/* NdrGetPipeBuffer(...) */
@ -796,12 +868,12 @@ LONG_PTR CDECL ndr_client_call( PMIDL_STUB_DESC pStubDesc, PFORMAT_STRING pForma
NdrGetBuffer(&stubMsg, stubMsg.BufferLength, hBinding);
}
/* 3. MARSHAL */
/* 4. MARSHAL */
TRACE( "MARSHAL\n" );
client_do_args(&stubMsg, pFormat, STUBLESS_MARSHAL, fpu_stack,
number_of_params, (unsigned char *)&RetVal);
/* 4. SENDRECEIVE */
/* 5. SENDRECEIVE */
TRACE( "SENDRECEIVE\n" );
if (Oif_flags.HasPipes)
/* NdrPipesSendReceive(...) */
@ -823,7 +895,7 @@ LONG_PTR CDECL ndr_client_call( PMIDL_STUB_DESC pStubDesc, PFORMAT_STRING pForma
if ((rpcMsg.DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION)
NdrConvert(&stubMsg, pFormat);
/* 5. UNMARSHAL */
/* 6. UNMARSHAL */
TRACE( "UNMARSHAL\n" );
client_do_args(&stubMsg, pFormat, STUBLESS_UNMARSHAL, fpu_stack,
number_of_params, (unsigned char *)&RetVal);
@ -1000,62 +1072,6 @@ LONG_PTR __cdecl call_server_func(SERVER_ROUTINE func, unsigned char * args, uns
}
#endif
static DWORD calc_arg_size(MIDL_STUB_MESSAGE *pStubMsg, PFORMAT_STRING pFormat)
{
DWORD size;
switch(*pFormat)
{
case RPC_FC_STRUCT:
size = *(const WORD*)(pFormat + 2);
break;
case RPC_FC_BOGUS_STRUCT:
size = *(const WORD*)(pFormat + 2);
if(*(const WORD*)(pFormat + 4))
FIXME("Unhandled conformant description\n");
break;
case RPC_FC_CARRAY:
case RPC_FC_CVARRAY:
size = *(const WORD*)(pFormat + 2);
ComputeConformance(pStubMsg, NULL, pFormat + 4, 0);
size *= pStubMsg->MaxCount;
break;
case RPC_FC_SMFARRAY:
case RPC_FC_SMVARRAY:
size = *(const WORD*)(pFormat + 2);
break;
case RPC_FC_LGFARRAY:
case RPC_FC_LGVARRAY:
size = *(const DWORD*)(pFormat + 2);
break;
case RPC_FC_BOGUS_ARRAY:
pFormat = ComputeConformance(pStubMsg, NULL, pFormat + 4, *(const WORD*)&pFormat[2]);
TRACE("conformance = %ld\n", pStubMsg->MaxCount);
pFormat = ComputeVariance(pStubMsg, NULL, pFormat, pStubMsg->MaxCount);
size = ComplexStructSize(pStubMsg, pFormat);
size *= pStubMsg->MaxCount;
break;
case RPC_FC_C_CSTRING:
case RPC_FC_C_WSTRING:
if (*pFormat == RPC_FC_C_CSTRING)
size = sizeof(CHAR);
else
size = sizeof(WCHAR);
if (pFormat[1] == RPC_FC_STRING_SIZED)
ComputeConformance(pStubMsg, NULL, pFormat + 2, 0);
else
pStubMsg->MaxCount = 0;
size *= pStubMsg->MaxCount;
break;
default:
FIXME("Unhandled type %02x\n", *pFormat);
/* fallthrough */
case RPC_FC_RP:
size = sizeof(void *);
break;
}
return size;
}
static LONG_PTR *stub_do_args(MIDL_STUB_MESSAGE *pStubMsg,
PFORMAT_STRING pFormat, enum stubless_phase phase,
unsigned short number_of_params)