Alexandre Julliard : rpcrt4: Fix handling of arguments passed by value in the old-style stubless marshaller .
Module: wine Branch: master Commit: 5d7e4da81ab403b034e97b6c5fc4307fcef9217c URL: http://source.winehq.org/git/wine.git/?a=commit;h=5d7e4da81ab403b034e97b6c5f... Author: Alexandre Julliard <julliard(a)winehq.org> Date: Tue Jun 7 20:41:17 2011 +0200 rpcrt4: Fix handling of arguments passed by value in the old-style stubless marshaller. --- dlls/rpcrt4/ndr_stubless.c | 69 +++++++++++++++++++++++++++++++++++--------- 1 files changed, 55 insertions(+), 14 deletions(-) diff --git a/dlls/rpcrt4/ndr_stubless.c b/dlls/rpcrt4/ndr_stubless.c index 45cfc94..64b5f12 100644 --- a/dlls/rpcrt4/ndr_stubless.c +++ b/dlls/rpcrt4/ndr_stubless.c @@ -438,6 +438,23 @@ static unsigned int type_stack_size(unsigned char fc) } } +static BOOL is_by_value( PFORMAT_STRING format ) +{ + switch (*format) + { + case RPC_FC_USER_MARSHAL: + case RPC_FC_STRUCT: + case RPC_FC_PSTRUCT: + case RPC_FC_CSTRUCT: + case RPC_FC_CPSTRUCT: + case RPC_FC_CVSTRUCT: + case RPC_FC_BOGUS_STRUCT: + return TRUE; + default: + return FALSE; + } +} + void client_do_args_old_format(PMIDL_STUB_MESSAGE pStubMsg, PFORMAT_STRING pFormat, int phase, unsigned char *args, unsigned short stack_size, @@ -510,11 +527,9 @@ void client_do_args_old_format(PMIDL_STUB_MESSAGE pStubMsg, } else { - const NDR_PARAM_OI_OTHER *pParamOther = - (const NDR_PARAM_OI_OTHER *)&pFormat[current_offset]; - - const unsigned char *pTypeFormat = - &pStubMsg->StubDesc->pFormatTypes[pParamOther->type_offset]; + const NDR_PARAM_OI_OTHER *pParamOther = (const NDR_PARAM_OI_OTHER *)&pFormat[current_offset]; + const unsigned char *pTypeFormat = &pStubMsg->StubDesc->pFormatTypes[pParamOther->type_offset]; + const BOOL by_value = is_by_value( pTypeFormat ); TRACE("\tcomplex type 0x%02x\n", *pTypeFormat); @@ -523,17 +538,28 @@ void client_do_args_old_format(PMIDL_STUB_MESSAGE pStubMsg, case PROXY_CALCSIZE: if (pParam->param_direction == RPC_FC_IN_PARAM || pParam->param_direction == RPC_FC_IN_OUT_PARAM) - call_buffer_sizer(pStubMsg, *(unsigned char **)pArg, pTypeFormat); + { + if (!by_value) pArg = *(unsigned char **)pArg; + call_buffer_sizer(pStubMsg, pArg, pTypeFormat); + } break; case PROXY_MARSHAL: if (pParam->param_direction == RPC_FC_IN_PARAM || pParam->param_direction == RPC_FC_IN_OUT_PARAM) - call_marshaller(pStubMsg, *(unsigned char **)pArg, pTypeFormat); + { + if (!by_value) pArg = *(unsigned char **)pArg; + call_marshaller(pStubMsg, pArg, pTypeFormat); + } break; case PROXY_UNMARSHAL: if (pParam->param_direction == RPC_FC_IN_OUT_PARAM || pParam->param_direction == RPC_FC_OUT_PARAM) - call_unmarshaller(pStubMsg, (unsigned char **)pArg, pTypeFormat, 0); + { + if (by_value) + call_unmarshaller(pStubMsg, &pArg, pTypeFormat, 0); + else + call_unmarshaller(pStubMsg, (unsigned char **)pArg, pTypeFormat, 0); + } else if (pParam->param_direction == RPC_FC_RETURN_PARAM) call_unmarshaller(pStubMsg, (unsigned char **)pRetVal, pTypeFormat, 0); break; @@ -1283,6 +1309,7 @@ static LONG_PTR *stub_do_old_args(MIDL_STUB_MESSAGE *pStubMsg, const unsigned char * pTypeFormat = &pStubMsg->StubDesc->pFormatTypes[pParamOther->type_offset]; + const BOOL by_value = is_by_value( pTypeFormat ); TRACE("\tcomplex type 0x%02x\n", *pTypeFormat); @@ -1295,17 +1322,23 @@ static LONG_PTR *stub_do_old_args(MIDL_STUB_MESSAGE *pStubMsg, if (pParam->param_direction == RPC_FC_OUT_PARAM || pParam->param_direction == RPC_FC_IN_OUT_PARAM || pParam->param_direction == RPC_FC_RETURN_PARAM) - call_marshaller(pStubMsg, *(unsigned char **)pArg, pTypeFormat); + { + if (!by_value) pArg = *(unsigned char **)pArg; + call_marshaller(pStubMsg, pArg, pTypeFormat); + } break; case STUBLESS_FREE: if (pParam->param_direction == RPC_FC_IN_OUT_PARAM || pParam->param_direction == RPC_FC_IN_PARAM) - call_freer(pStubMsg, *(unsigned char **)pArg, pTypeFormat); - else if (pParam->param_direction == RPC_FC_OUT_PARAM) + { + if (!by_value) pArg = *(unsigned char **)pArg; + call_freer(pStubMsg, pArg, pTypeFormat); + } + else if (pParam->param_direction == RPC_FC_OUT_PARAM && !by_value) pStubMsg->pfnFree(*(void **)pArg); break; case STUBLESS_INITOUT: - if (pParam->param_direction == RPC_FC_OUT_PARAM) + if (pParam->param_direction == RPC_FC_OUT_PARAM && !by_value) { DWORD size = calc_arg_size(pStubMsg, pTypeFormat); @@ -1319,13 +1352,21 @@ static LONG_PTR *stub_do_old_args(MIDL_STUB_MESSAGE *pStubMsg, case STUBLESS_UNMARSHAL: if (pParam->param_direction == RPC_FC_IN_OUT_PARAM || pParam->param_direction == RPC_FC_IN_PARAM) - call_unmarshaller(pStubMsg, (unsigned char **)pArg, pTypeFormat, 0); + { + if (by_value) + call_unmarshaller(pStubMsg, &pArg, pTypeFormat, 0); + else + call_unmarshaller(pStubMsg, (unsigned char **)pArg, pTypeFormat, 0); + } break; case STUBLESS_CALCSIZE: if (pParam->param_direction == RPC_FC_OUT_PARAM || pParam->param_direction == RPC_FC_IN_OUT_PARAM || pParam->param_direction == RPC_FC_RETURN_PARAM) - call_buffer_sizer(pStubMsg, *(unsigned char **)pArg, pTypeFormat); + { + if (!by_value) pArg = *(unsigned char **)pArg; + call_buffer_sizer(pStubMsg, pArg, pTypeFormat); + } break; default: RpcRaiseException(RPC_S_INTERNAL_ERROR);
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Alexandre Julliard