/* * NDR -Oi,-Oif,-Oicf Interpreter * * Copyright 2001 Ove Kåven, TransGaming Technologies * Copyright 2003-5 Robert Shearman (for CodeWeavers) * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA * * TODO: * - Pipes * - Some types of binding handles */ #include "config.h" #include "wine/port.h" #include #include #include #include "windef.h" #include "winbase.h" #include "winerror.h" #include "objbase.h" #include "rpc.h" #include "rpcproxy.h" #include "wine/exception.h" #include "wine/debug.h" #include "wine/rpcfc.h" #include "cpsf.h" #include "ndr_misc.h" #include "ndr_stubless.h" WINE_DEFAULT_DEBUG_CHANNEL(rpc); #define NDR_TABLE_MASK 127 static inline BOOL is_oicf_stubdesc(const PMIDL_STUB_DESC pStubDesc) { return pStubDesc->Version >= 0x20000; } static inline void call_buffer_sizer(PMIDL_STUB_MESSAGE pStubMsg, unsigned char *pMemory, const NDR_PARAM_OIF *param) { PFORMAT_STRING pFormat; NDR_BUFFERSIZE m; if (param->attr.IsBasetype) { pFormat = ¶m->u.type_format_char; if (param->attr.IsSimpleRef) pMemory = *(unsigned char **)pMemory; } else { pFormat = &pStubMsg->StubDesc->pFormatTypes[param->u.type_offset]; if (!param->attr.IsByValue) pMemory = *(unsigned char **)pMemory; } m = NdrBufferSizer[pFormat[0] & NDR_TABLE_MASK]; if (m) m(pStubMsg, pMemory, pFormat); else { FIXME("format type 0x%x not implemented\n", pFormat[0]); RpcRaiseException(RPC_X_BAD_STUB_DATA); } } static inline unsigned char *call_marshaller(PMIDL_STUB_MESSAGE pStubMsg, unsigned char *pMemory, const NDR_PARAM_OIF *param) { PFORMAT_STRING pFormat; NDR_MARSHALL m; if (param->attr.IsBasetype) { pFormat = ¶m->u.type_format_char; if (param->attr.IsSimpleRef) pMemory = *(unsigned char **)pMemory; } else { pFormat = &pStubMsg->StubDesc->pFormatTypes[param->u.type_offset]; if (!param->attr.IsByValue) pMemory = *(unsigned char **)pMemory; } m = NdrMarshaller[pFormat[0] & NDR_TABLE_MASK]; if (m) return m(pStubMsg, pMemory, pFormat); else { FIXME("format type 0x%x not implemented\n", pFormat[0]); RpcRaiseException(RPC_X_BAD_STUB_DATA); return NULL; } } static inline unsigned char *call_unmarshaller(PMIDL_STUB_MESSAGE pStubMsg, unsigned char **ppMemory, const NDR_PARAM_OIF *param, unsigned char fMustAlloc) { PFORMAT_STRING pFormat; NDR_UNMARSHALL m; if (param->attr.IsBasetype) { pFormat = ¶m->u.type_format_char; if (param->attr.IsSimpleRef) ppMemory = (unsigned char **)*ppMemory; } else { pFormat = &pStubMsg->StubDesc->pFormatTypes[param->u.type_offset]; if (!param->attr.IsByValue) ppMemory = (unsigned char **)*ppMemory; } m = NdrUnmarshaller[pFormat[0] & NDR_TABLE_MASK]; if (m) return m(pStubMsg, ppMemory, pFormat, fMustAlloc); else { FIXME("format type 0x%x not implemented\n", pFormat[0]); RpcRaiseException(RPC_X_BAD_STUB_DATA); return NULL; } } static inline void call_freer(PMIDL_STUB_MESSAGE pStubMsg, unsigned char *pMemory, const NDR_PARAM_OIF *param) { PFORMAT_STRING pFormat; NDR_FREE m; if (param->attr.IsBasetype) return; /* nothing to do */ pFormat = &pStubMsg->StubDesc->pFormatTypes[param->u.type_offset]; if (!param->attr.IsByValue) pMemory = *(unsigned char **)pMemory; m = NdrFreer[pFormat[0] & NDR_TABLE_MASK]; 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_RP: if (pFormat[1] & RPC_FC_P_SIMPLEPOINTER) { FIXME("Simple reference pointer (type %#x).\n", pFormat[2]); size = sizeof(void *); break; } size = calc_arg_size(pStubMsg, &pFormat[2] + *(const SHORT*)&pFormat[2]); break; case RPC_FC_STRUCT: case RPC_FC_PSTRUCT: 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_USER_MARSHAL: size = *(const WORD*)(pFormat + 4); break; case RPC_FC_CSTRING: size = *(const WORD*)(pFormat + 2); break; case RPC_FC_WSTRING: size = *(const WORD*)(pFormat + 2) * sizeof(WCHAR); 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_IP: size = sizeof(void *); break; } return size; } void WINAPI NdrRpcSmSetClientToOsf(PMIDL_STUB_MESSAGE pMessage) { #if 0 /* these functions are not defined yet */ pMessage->pfnAllocate = NdrRpcSmClientAllocate; pMessage->pfnFree = NdrRpcSmClientFree; #endif } static const char *debugstr_PROC_PF(PARAM_ATTRIBUTES param_attributes) { char buffer[160]; buffer[0] = 0; if (param_attributes.MustSize) strcat(buffer, " MustSize"); if (param_attributes.MustFree) strcat(buffer, " MustFree"); if (param_attributes.IsPipe) strcat(buffer, " IsPipe"); if (param_attributes.IsIn) strcat(buffer, " IsIn"); if (param_attributes.IsOut) strcat(buffer, " IsOut"); if (param_attributes.IsReturn) strcat(buffer, " IsReturn"); if (param_attributes.IsBasetype) strcat(buffer, " IsBasetype"); if (param_attributes.IsByValue) strcat(buffer, " IsByValue"); if (param_attributes.IsSimpleRef) strcat(buffer, " IsSimpleRef"); if (param_attributes.IsDontCallFreeInst) strcat(buffer, " IsDontCallFreeInst"); if (param_attributes.SaveForAsyncFinish) strcat(buffer, " SaveForAsyncFinish"); if (param_attributes.ServerAllocSize) sprintf( buffer + strlen(buffer), " ServerAllocSize = %d", param_attributes.ServerAllocSize * 8); return buffer[0] ? wine_dbg_sprintf( "%s", buffer + 1 ) : ""; } static const char *debugstr_INTERPRETER_OPT_FLAGS(INTERPRETER_OPT_FLAGS Oi2Flags) { char buffer[160]; buffer[0] = 0; if (Oi2Flags.ServerMustSize) strcat(buffer, " ServerMustSize"); if (Oi2Flags.ClientMustSize) strcat(buffer, " ClientMustSize"); if (Oi2Flags.HasReturn) strcat(buffer, " HasReturn"); if (Oi2Flags.HasPipes) strcat(buffer, " HasPipes"); if (Oi2Flags.Unused) strcat(buffer, " Unused"); if (Oi2Flags.HasAsyncUuid) strcat(buffer, " HasAsyncUuid"); if (Oi2Flags.HasExtensions) strcat(buffer, " HasExtensions"); if (Oi2Flags.HasAsyncHandle) strcat(buffer, " HasAsyncHandle"); return buffer[0] ? wine_dbg_sprintf( "%s", buffer + 1 ) : ""; } #define ARG_FROM_OFFSET(args, offset) ((args) + (offset)) static PFORMAT_STRING client_get_handle( PMIDL_STUB_MESSAGE pStubMsg, const NDR_PROC_HEADER *pProcHeader, PFORMAT_STRING pFormat, handle_t *phBinding) { /* binding */ switch (pProcHeader->handle_type) { /* explicit binding: parse additional section */ case RPC_FC_BIND_EXPLICIT: switch (*pFormat) /* handle_type */ { case RPC_FC_BIND_PRIMITIVE: /* explicit primitive */ { const NDR_EHD_PRIMITIVE *pDesc = (const NDR_EHD_PRIMITIVE *)pFormat; TRACE("Explicit primitive handle @ %d\n", pDesc->offset); if (pDesc->flag) /* pointer to binding */ *phBinding = **(handle_t **)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset); else *phBinding = *(handle_t *)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset); return pFormat + sizeof(NDR_EHD_PRIMITIVE); } case RPC_FC_BIND_GENERIC: /* explicit generic */ { const NDR_EHD_GENERIC *pDesc = (const NDR_EHD_GENERIC *)pFormat; void *pObject = NULL; void *pArg; const GENERIC_BINDING_ROUTINE_PAIR *pGenPair; TRACE("Explicit generic binding handle #%d\n", pDesc->binding_routine_pair_index); if (pDesc->flag_and_size & HANDLE_PARAM_IS_VIA_PTR) pArg = *(void **)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset); else pArg = ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset); memcpy(&pObject, pArg, pDesc->flag_and_size & 0xf); pGenPair = &pStubMsg->StubDesc->aGenericBindingRoutinePairs[pDesc->binding_routine_pair_index]; *phBinding = pGenPair->pfnBind(pObject); return pFormat + sizeof(NDR_EHD_GENERIC); } case RPC_FC_BIND_CONTEXT: /* explicit context */ { const NDR_EHD_CONTEXT *pDesc = (const NDR_EHD_CONTEXT *)pFormat; NDR_CCONTEXT context_handle; TRACE("Explicit bind context\n"); if (pDesc->flags & HANDLE_PARAM_IS_VIA_PTR) { TRACE("\tHANDLE_PARAM_IS_VIA_PTR\n"); context_handle = **(NDR_CCONTEXT **)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset); } else context_handle = *(NDR_CCONTEXT *)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset); if (context_handle) *phBinding = NDRCContextBinding(context_handle); else if (pDesc->flags & NDR_CONTEXT_HANDLE_CANNOT_BE_NULL) { ERR("null context handle isn't allowed\n"); RpcRaiseException(RPC_X_SS_IN_NULL_CONTEXT); return NULL; } /* FIXME: should we store this structure in stubMsg.pContext? */ return pFormat + sizeof(NDR_EHD_CONTEXT); } default: ERR("bad explicit binding handle type (0x%02x)\n", pProcHeader->handle_type); RpcRaiseException(RPC_X_BAD_STUB_DATA); } break; case RPC_FC_BIND_GENERIC: /* implicit generic */ FIXME("RPC_FC_BIND_GENERIC\n"); RpcRaiseException(RPC_X_BAD_STUB_DATA); /* FIXME: remove when implemented */ break; case RPC_FC_BIND_PRIMITIVE: /* implicit primitive */ TRACE("Implicit primitive handle\n"); *phBinding = *pStubMsg->StubDesc->IMPLICIT_HANDLE_INFO.pPrimitiveHandle; break; case RPC_FC_CALLBACK_HANDLE: /* implicit callback */ TRACE("RPC_FC_CALLBACK_HANDLE\n"); /* server calls callback procedures only in response to remote call, and most recent binding handle is used. Calling back to a client can potentially result in another callback with different current handle. */ *phBinding = I_RpcGetCurrentCallHandle(); break; case RPC_FC_AUTO_HANDLE: /* implicit auto handle */ /* strictly speaking, it isn't necessary to set hBinding here * since it isn't actually used (hence the automatic in its name), * but then why does MIDL generate a valid entry in the * MIDL_STUB_DESC for it? */ TRACE("Implicit auto handle\n"); *phBinding = *pStubMsg->StubDesc->IMPLICIT_HANDLE_INFO.pAutoHandle; break; default: ERR("bad implicit binding handle type (0x%02x)\n", pProcHeader->handle_type); RpcRaiseException(RPC_X_BAD_STUB_DATA); } return pFormat; } static void client_free_handle( PMIDL_STUB_MESSAGE pStubMsg, const NDR_PROC_HEADER *pProcHeader, PFORMAT_STRING pFormat, handle_t hBinding) { /* binding */ switch (pProcHeader->handle_type) { /* explicit binding: parse additional section */ case RPC_FC_BIND_EXPLICIT: switch (*pFormat) /* handle_type */ { case RPC_FC_BIND_GENERIC: /* explicit generic */ { const NDR_EHD_GENERIC *pDesc = (const NDR_EHD_GENERIC *)pFormat; void *pObject = NULL; void *pArg; const GENERIC_BINDING_ROUTINE_PAIR *pGenPair; TRACE("Explicit generic binding handle #%d\n", pDesc->binding_routine_pair_index); if (pDesc->flag_and_size & HANDLE_PARAM_IS_VIA_PTR) pArg = *(void **)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset); else pArg = ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset); memcpy(&pObject, pArg, pDesc->flag_and_size & 0xf); pGenPair = &pStubMsg->StubDesc->aGenericBindingRoutinePairs[pDesc->binding_routine_pair_index]; pGenPair->pfnUnbind(pObject, hBinding); break; } case RPC_FC_BIND_CONTEXT: /* explicit context */ case RPC_FC_BIND_PRIMITIVE: /* explicit primitive */ break; default: ERR("bad explicit binding handle type (0x%02x)\n", pProcHeader->handle_type); RpcRaiseException(RPC_X_BAD_STUB_DATA); } break; case RPC_FC_BIND_GENERIC: /* implicit generic */ FIXME("RPC_FC_BIND_GENERIC\n"); RpcRaiseException(RPC_X_BAD_STUB_DATA); /* FIXME: remove when implemented */ break; case RPC_FC_CALLBACK_HANDLE: /* implicit callback */ case RPC_FC_BIND_PRIMITIVE: /* implicit primitive */ case RPC_FC_AUTO_HANDLE: /* implicit auto handle */ break; default: ERR("bad implicit binding handle type (0x%02x)\n", pProcHeader->handle_type); RpcRaiseException(RPC_X_BAD_STUB_DATA); } } void client_do_args( PMIDL_STUB_MESSAGE pStubMsg, PFORMAT_STRING pFormat, enum stubless_phase phase, void **fpu_args, unsigned short number_of_params, unsigned char *pRetVal ) { const NDR_PARAM_OIF *params = (const NDR_PARAM_OIF *)pFormat; unsigned int i; for (i = 0; i < number_of_params; i++) { unsigned char *pArg = pStubMsg->StackTop + params[i].stack_offset; PFORMAT_STRING pTypeFormat = (PFORMAT_STRING)&pStubMsg->StubDesc->pFormatTypes[params[i].u.type_offset]; #ifdef __x86_64__ /* floats are passed as doubles through varargs functions */ float f; if (params[i].attr.IsBasetype && params[i].u.type_format_char == RPC_FC_FLOAT && !params[i].attr.IsSimpleRef && !fpu_args) { f = *(double *)pArg; pArg = (unsigned char *)&f; } #endif TRACE("param[%d]: %p type %02x %s\n", i, pArg, params[i].attr.IsBasetype ? params[i].u.type_format_char : *pTypeFormat, debugstr_PROC_PF( params[i].attr )); 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); if (params[i].attr.IsIn) call_buffer_sizer(pStubMsg, pArg, ¶ms[i]); break; case STUBLESS_MARSHAL: if (params[i].attr.IsIn) call_marshaller(pStubMsg, pArg, ¶ms[i]); break; case STUBLESS_UNMARSHAL: if (params[i].attr.IsOut) { if (params[i].attr.IsReturn && pRetVal) pArg = pRetVal; call_unmarshaller(pStubMsg, &pArg, ¶ms[i], 0); } break; case STUBLESS_FREE: if (!params[i].attr.IsBasetype && params[i].attr.IsOut && !params[i].attr.IsByValue) NdrClearOutParameters( pStubMsg, pTypeFormat, *(unsigned char **)pArg ); break; default: RpcRaiseException(RPC_S_INTERNAL_ERROR); } } } static unsigned int type_stack_size(unsigned char fc) { switch (fc) { case RPC_FC_BYTE: case RPC_FC_CHAR: case RPC_FC_SMALL: case RPC_FC_USMALL: case RPC_FC_WCHAR: case RPC_FC_SHORT: case RPC_FC_USHORT: case RPC_FC_LONG: case RPC_FC_ULONG: case RPC_FC_INT3264: case RPC_FC_UINT3264: case RPC_FC_ENUM16: case RPC_FC_ENUM32: case RPC_FC_FLOAT: case RPC_FC_ERROR_STATUS_T: case RPC_FC_IGNORE: return sizeof(void *); case RPC_FC_DOUBLE: return sizeof(double); case RPC_FC_HYPER: return sizeof(ULONGLONG); default: ERR("invalid base type 0x%x\n", fc); RpcRaiseException(RPC_S_INTERNAL_ERROR); } } 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; } } PFORMAT_STRING convert_old_args( PMIDL_STUB_MESSAGE pStubMsg, PFORMAT_STRING pFormat, unsigned int stack_size, BOOL object_proc, void *buffer, unsigned int size, unsigned int *count ) { NDR_PARAM_OIF *args = buffer; unsigned int i, stack_offset = object_proc ? sizeof(void *) : 0; for (i = 0; stack_offset < stack_size; i++) { const NDR_PARAM_OI_BASETYPE *param = (const NDR_PARAM_OI_BASETYPE *)pFormat; const NDR_PARAM_OI_OTHER *other = (const NDR_PARAM_OI_OTHER *)pFormat; if (i + 1 > size / sizeof(*args)) { FIXME( "%u args not supported\n", i ); RpcRaiseException( RPC_S_INTERNAL_ERROR ); } args[i].stack_offset = stack_offset; memset( &args[i].attr, 0, sizeof(args[i].attr) ); switch (param->param_direction) { case RPC_FC_IN_PARAM_BASETYPE: args[i].attr.IsIn = 1; args[i].attr.IsBasetype = 1; break; case RPC_FC_RETURN_PARAM_BASETYPE: args[i].attr.IsOut = 1; args[i].attr.IsReturn = 1; args[i].attr.IsBasetype = 1; break; case RPC_FC_IN_PARAM: args[i].attr.IsIn = 1; args[i].attr.MustFree = 1; break; case RPC_FC_IN_PARAM_NO_FREE_INST: args[i].attr.IsIn = 1; args[i].attr.IsDontCallFreeInst = 1; break; case RPC_FC_IN_OUT_PARAM: args[i].attr.IsIn = 1; args[i].attr.IsOut = 1; args[i].attr.MustFree = 1; break; case RPC_FC_OUT_PARAM: args[i].attr.IsOut = 1; break; case RPC_FC_RETURN_PARAM: args[i].attr.IsOut = 1; args[i].attr.IsReturn = 1; break; } if (args[i].attr.IsBasetype) { args[i].u.type_format_char = param->type_format_char; stack_offset += type_stack_size( param->type_format_char ); pFormat += sizeof(NDR_PARAM_OI_BASETYPE); } else { args[i].u.type_offset = other->type_offset; args[i].attr.IsByValue = is_by_value( &pStubMsg->StubDesc->pFormatTypes[other->type_offset] ); stack_offset += other->stack_size * sizeof(void *); pFormat += sizeof(NDR_PARAM_OI_OTHER); } } *count = i; return (PFORMAT_STRING)args; } LONG_PTR CDECL DECLSPEC_HIDDEN ndr_client_call( PMIDL_STUB_DESC pStubDesc, PFORMAT_STRING pFormat, void **stack_top, void **fpu_stack ) { /* pointer to start of stack where arguments start */ RPC_MESSAGE rpcMsg; MIDL_STUB_MESSAGE stubMsg; handle_t hBinding = NULL; /* procedure number */ unsigned short procedure_number; /* size of stack */ unsigned short stack_size; /* number of parameters. optional for client to give it to us */ unsigned int number_of_params; /* cache of Oif_flags from v2 procedure header */ INTERPRETER_OPT_FLAGS Oif_flags = { 0 }; /* cache of extension flags from NDR_PROC_HEADER_EXTS */ INTERPRETER_OPT_FLAGS2 ext_flags = { 0 }; /* header for procedure string */ const NDR_PROC_HEADER * pProcHeader = (const NDR_PROC_HEADER *)&pFormat[0]; /* the value to return to the client from the remote procedure */ LONG_PTR RetVal = 0; /* the pointer to the object when in OLE mode */ void * This = NULL; PFORMAT_STRING pHandleFormat; /* correlation cache */ ULONG_PTR NdrCorrCache[256]; TRACE("pStubDesc %p, pFormat %p, ...\n", pStubDesc, pFormat); TRACE("NDR Version: 0x%x\n", pStubDesc->Version); if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS) { const NDR_PROC_HEADER_RPC *header_rpc = (const NDR_PROC_HEADER_RPC *)&pFormat[0]; stack_size = header_rpc->stack_size; procedure_number = header_rpc->proc_num; pFormat += sizeof(NDR_PROC_HEADER_RPC); } else { stack_size = pProcHeader->stack_size; procedure_number = pProcHeader->proc_num; pFormat += sizeof(NDR_PROC_HEADER); } TRACE("stack size: 0x%x\n", stack_size); TRACE("proc num: %d\n", procedure_number); /* create the full pointer translation tables, if requested */ if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_FULLPTR) stubMsg.FullPtrXlatTables = NdrFullPointerXlatInit(0,XLAT_CLIENT); if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT) { /* object is always the first argument */ This = stack_top[0]; NdrProxyInitialize(This, &rpcMsg, &stubMsg, pStubDesc, procedure_number); } else NdrClientInitializeNew(&rpcMsg, &stubMsg, pStubDesc, procedure_number); TRACE("Oi_flags = 0x%02x\n", pProcHeader->Oi_flags); TRACE("MIDL stub version = 0x%x\n", pStubDesc->MIDLVersion); stubMsg.StackTop = (unsigned char *)stack_top; pHandleFormat = pFormat; /* we only need a handle if this isn't an object method */ if (!(pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)) { pFormat = client_get_handle(&stubMsg, pProcHeader, pHandleFormat, &hBinding); if (!pFormat) goto done; } if (is_oicf_stubdesc(pStubDesc)) /* -Oicf format */ { const NDR_PROC_PARTIAL_OIF_HEADER *pOIFHeader = (const NDR_PROC_PARTIAL_OIF_HEADER *)pFormat; Oif_flags = pOIFHeader->Oi2Flags; number_of_params = pOIFHeader->number_of_params; pFormat += sizeof(NDR_PROC_PARTIAL_OIF_HEADER); TRACE("Oif_flags = %s\n", debugstr_INTERPRETER_OPT_FLAGS(Oif_flags) ); if (Oif_flags.HasExtensions) { const NDR_PROC_HEADER_EXTS *pExtensions = (const NDR_PROC_HEADER_EXTS *)pFormat; ext_flags = pExtensions->Flags2; pFormat += pExtensions->Size; #ifdef __x86_64__ if (pExtensions->Size > sizeof(*pExtensions) && fpu_stack) { int i; unsigned short fpu_mask = *(unsigned short *)(pExtensions + 1); for (i = 0; i < 4; i++, fpu_mask >>= 2) switch (fpu_mask & 3) { case 1: *(float *)&stack_top[i] = *(float *)&fpu_stack[i]; break; case 2: *(double *)&stack_top[i] = *(double *)&fpu_stack[i]; break; } } #endif } } else { pFormat = convert_old_args( &stubMsg, pFormat, stack_size, pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT, /* reuse the correlation cache, it's not needed for v1 format */ NdrCorrCache, sizeof(NdrCorrCache), &number_of_params ); } stubMsg.BufferLength = 0; /* store the RPC flags away */ if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS) rpcMsg.RpcFlags = ((const NDR_PROC_HEADER_RPC *)pProcHeader)->rpc_flags; /* use alternate memory allocation routines */ if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCSSALLOC) NdrRpcSmSetClientToOsf(&stubMsg); if (Oif_flags.HasPipes) { FIXME("pipes not supported yet\n"); RpcRaiseException(RPC_X_WRONG_STUB_VERSION); /* FIXME: remove when implemented */ /* init pipes package */ /* NdrPipesInitialize(...) */ } if (ext_flags.HasNewCorrDesc) { /* initialize extra correlation package */ NdrCorrelationInitialize(&stubMsg, NdrCorrCache, sizeof(NdrCorrCache), 0); if (ext_flags.Unused & 0x2) /* has range on conformance */ stubMsg.CorrDespIncrement = 12; } /* order of phases: * 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 { /* 2. CALCSIZE */ TRACE( "CALCSIZE\n" ); client_do_args(&stubMsg, pFormat, STUBLESS_CALCSIZE, fpu_stack, number_of_params, (unsigned char *)&RetVal); /* 3. GETBUFFER */ TRACE( "GETBUFFER\n" ); if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT) { /* allocate the buffer */ NdrProxyGetBuffer(This, &stubMsg); } else { /* allocate the buffer */ if (Oif_flags.HasPipes) /* NdrGetPipeBuffer(...) */ FIXME("pipes not supported yet\n"); else { if (pProcHeader->handle_type == RPC_FC_AUTO_HANDLE) #if 0 NdrNsGetBuffer(&stubMsg, stubMsg.BufferLength, hBinding); #else FIXME("using auto handle - call NdrNsGetBuffer when it gets implemented\n"); #endif else NdrGetBuffer(&stubMsg, stubMsg.BufferLength, hBinding); } } /* 4. MARSHAL */ TRACE( "MARSHAL\n" ); client_do_args(&stubMsg, pFormat, STUBLESS_MARSHAL, fpu_stack, number_of_params, (unsigned char *)&RetVal); /* 5. SENDRECEIVE */ TRACE( "SENDRECEIVE\n" ); if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT) { /* send the [in] params and receive the [out] and [retval] * params */ NdrProxySendReceive(This, &stubMsg); } else { /* send the [in] params and receive the [out] and [retval] * params */ if (Oif_flags.HasPipes) /* NdrPipesSendReceive(...) */ FIXME("pipes not supported yet\n"); else { if (pProcHeader->handle_type == RPC_FC_AUTO_HANDLE) #if 0 NdrNsSendReceive(&stubMsg, stubMsg.Buffer, pStubDesc->IMPLICIT_HANDLE_INFO.pAutoHandle); #else FIXME("using auto handle - call NdrNsSendReceive when it gets implemented\n"); #endif else NdrSendReceive(&stubMsg, stubMsg.Buffer); } } /* convert strings, floating point values and endianness into our * preferred format */ if ((rpcMsg.DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION) NdrConvert(&stubMsg, pFormat); /* 6. UNMARSHAL */ TRACE( "UNMARSHAL\n" ); client_do_args(&stubMsg, pFormat, STUBLESS_UNMARSHAL, fpu_stack, number_of_params, (unsigned char *)&RetVal); } __EXCEPT_ALL { if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT) { /* 7. FREE */ TRACE( "FREE\n" ); client_do_args(&stubMsg, pFormat, STUBLESS_FREE, fpu_stack, number_of_params, (unsigned char *)&RetVal); RetVal = NdrProxyErrorHandler(GetExceptionCode()); } else { const COMM_FAULT_OFFSETS *comm_fault_offsets = &pStubDesc->CommFaultOffsets[procedure_number]; ULONG *comm_status; ULONG *fault_status; TRACE("comm_fault_offsets = {0x%hx, 0x%hx}\n", comm_fault_offsets->CommOffset, comm_fault_offsets->FaultOffset); if (comm_fault_offsets->CommOffset == -1) comm_status = (ULONG *)&RetVal; else if (comm_fault_offsets->CommOffset >= 0) comm_status = *(ULONG **)ARG_FROM_OFFSET(stubMsg.StackTop, comm_fault_offsets->CommOffset); else comm_status = NULL; if (comm_fault_offsets->FaultOffset == -1) fault_status = (ULONG *)&RetVal; else if (comm_fault_offsets->FaultOffset >= 0) fault_status = *(ULONG **)ARG_FROM_OFFSET(stubMsg.StackTop, comm_fault_offsets->FaultOffset); else fault_status = NULL; NdrMapCommAndFaultStatus(&stubMsg, comm_status, fault_status, GetExceptionCode()); } } __ENDTRY } else { /* 2. CALCSIZE */ TRACE( "CALCSIZE\n" ); client_do_args(&stubMsg, pFormat, STUBLESS_CALCSIZE, fpu_stack, number_of_params, (unsigned char *)&RetVal); /* 3. GETBUFFER */ TRACE( "GETBUFFER\n" ); if (Oif_flags.HasPipes) /* NdrGetPipeBuffer(...) */ FIXME("pipes not supported yet\n"); else { if (pProcHeader->handle_type == RPC_FC_AUTO_HANDLE) #if 0 NdrNsGetBuffer(&stubMsg, stubMsg.BufferLength, hBinding); #else FIXME("using auto handle - call NdrNsGetBuffer when it gets implemented\n"); #endif else NdrGetBuffer(&stubMsg, stubMsg.BufferLength, hBinding); } /* 4. MARSHAL */ TRACE( "MARSHAL\n" ); client_do_args(&stubMsg, pFormat, STUBLESS_MARSHAL, fpu_stack, number_of_params, (unsigned char *)&RetVal); /* 5. SENDRECEIVE */ TRACE( "SENDRECEIVE\n" ); if (Oif_flags.HasPipes) /* NdrPipesSendReceive(...) */ FIXME("pipes not supported yet\n"); else { if (pProcHeader->handle_type == RPC_FC_AUTO_HANDLE) #if 0 NdrNsSendReceive(&stubMsg, stubMsg.Buffer, pStubDesc->IMPLICIT_HANDLE_INFO.pAutoHandle); #else FIXME("using auto handle - call NdrNsSendReceive when it gets implemented\n"); #endif else NdrSendReceive(&stubMsg, stubMsg.Buffer); } /* convert strings, floating point values and endianness into our * preferred format */ if ((rpcMsg.DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION) NdrConvert(&stubMsg, pFormat); /* 6. UNMARSHAL */ TRACE( "UNMARSHAL\n" ); client_do_args(&stubMsg, pFormat, STUBLESS_UNMARSHAL, fpu_stack, number_of_params, (unsigned char *)&RetVal); } if (ext_flags.HasNewCorrDesc) { /* free extra correlation package */ NdrCorrelationFree(&stubMsg); } if (Oif_flags.HasPipes) { /* NdrPipesDone(...) */ } /* free the full pointer translation tables */ if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_FULLPTR) NdrFullPointerXlatFree(stubMsg.FullPtrXlatTables); /* free marshalling buffer */ if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT) NdrProxyFreeBuffer(This, &stubMsg); else { NdrFreeBuffer(&stubMsg); client_free_handle(&stubMsg, pProcHeader, pHandleFormat, hBinding); } done: TRACE("RetVal = 0x%lx\n", RetVal); return RetVal; } #ifdef __x86_64__ __ASM_GLOBAL_FUNC( NdrClientCall2, "movq %r8,0x18(%rsp)\n\t" "movq %r9,0x20(%rsp)\n\t" "leaq 0x18(%rsp),%r8\n\t" "xorq %r9,%r9\n\t" "subq $0x28,%rsp\n\t" __ASM_CFI(".cfi_adjust_cfa_offset 0x28\n\t") "call " __ASM_NAME("ndr_client_call") "\n\t" "addq $0x28,%rsp\n\t" __ASM_CFI(".cfi_adjust_cfa_offset -0x28\n\t") "ret" ); #else /* __x86_64__ */ /*********************************************************************** * NdrClientCall2 [RPCRT4.@] */ CLIENT_CALL_RETURN WINAPIV NdrClientCall2( PMIDL_STUB_DESC desc, PFORMAT_STRING format, ... ) { __ms_va_list args; LONG_PTR ret; __ms_va_start( args, format ); ret = ndr_client_call( desc, format, va_arg( args, void ** ), NULL ); __ms_va_end( args ); return *(CLIENT_CALL_RETURN *)&ret; } #endif /* __x86_64__ */ /* Calls a function with the specified arguments, restoring the stack * properly afterwards as we don't know the calling convention of the * function */ #if defined __i386__ && defined _MSC_VER __declspec(naked) LONG_PTR __cdecl call_server_func(SERVER_ROUTINE func, unsigned char * args, unsigned int stack_size) { __asm { push ebp mov ebp, esp push edi ; Save registers push esi mov eax, [ebp+16] ; Get stack size sub esp, eax ; Make room in stack for arguments and esp, 0xFFFFFFF0 mov edi, esp mov ecx, eax mov esi, [ebp+12] shr ecx, 2 cld rep movsd ; Copy dword blocks call [ebp+8] ; Call function lea esp, [ebp-8] ; Restore stack pop esi ; Restore registers pop edi pop ebp ret } } #elif defined __i386__ && defined __GNUC__ LONG_PTR __cdecl call_server_func(SERVER_ROUTINE func, unsigned char * args, unsigned int stack_size); __ASM_GLOBAL_FUNC(call_server_func, "pushl %ebp\n\t" __ASM_CFI(".cfi_adjust_cfa_offset 4\n\t") __ASM_CFI(".cfi_rel_offset %ebp,0\n\t") "movl %esp,%ebp\n\t" __ASM_CFI(".cfi_def_cfa_register %ebp\n\t") "pushl %edi\n\t" /* Save registers */ __ASM_CFI(".cfi_rel_offset %edi,-4\n\t") "pushl %esi\n\t" __ASM_CFI(".cfi_rel_offset %esi,-8\n\t") "movl 16(%ebp), %eax\n\t" /* Get stack size */ "subl %eax, %esp\n\t" /* Make room in stack for arguments */ "andl $~15, %esp\n\t" /* Make sure stack has 16-byte alignment for Mac OS X */ "movl %esp, %edi\n\t" "movl %eax, %ecx\n\t" "movl 12(%ebp), %esi\n\t" "shrl $2, %ecx\n\t" /* divide by 4 */ "cld\n\t" "rep; movsl\n\t" /* Copy dword blocks */ "call *8(%ebp)\n\t" /* Call function */ "leal -8(%ebp), %esp\n\t" /* Restore stack */ "popl %esi\n\t" /* Restore registers */ __ASM_CFI(".cfi_same_value %esi\n\t") "popl %edi\n\t" __ASM_CFI(".cfi_same_value %edi\n\t") "popl %ebp\n\t" __ASM_CFI(".cfi_def_cfa %esp,4\n\t") __ASM_CFI(".cfi_same_value %ebp\n\t") "ret" ) #elif defined __x86_64__ LONG_PTR __cdecl call_server_func(SERVER_ROUTINE func, unsigned char * args, unsigned int stack_size); __ASM_GLOBAL_FUNC( call_server_func, "pushq %rbp\n\t" __ASM_CFI(".cfi_adjust_cfa_offset 8\n\t") __ASM_CFI(".cfi_rel_offset %rbp,0\n\t") "movq %rsp,%rbp\n\t" __ASM_CFI(".cfi_def_cfa_register %rbp\n\t") "pushq %rsi\n\t" __ASM_CFI(".cfi_rel_offset %rsi,-8\n\t") "pushq %rdi\n\t" __ASM_CFI(".cfi_rel_offset %rdi,-16\n\t") "movq %rcx,%rax\n\t" /* function to call */ "movq $32,%rcx\n\t" /* allocate max(32,stack_size) bytes of stack space */ "cmpq %rcx,%r8\n\t" "cmovgq %r8,%rcx\n\t" "subq %rcx,%rsp\n\t" "andq $~15,%rsp\n\t" "movq %r8,%rcx\n\t" "shrq $3,%rcx\n\t" "movq %rsp,%rdi\n\t" "movq %rdx,%rsi\n\t" "rep; movsq\n\t" /* copy arguments */ "movq 0(%rsp),%rcx\n\t" "movq 8(%rsp),%rdx\n\t" "movq 16(%rsp),%r8\n\t" "movq 24(%rsp),%r9\n\t" "movq 0(%rsp),%xmm0\n\t" "movq 8(%rsp),%xmm1\n\t" "movq 16(%rsp),%xmm2\n\t" "movq 24(%rsp),%xmm3\n\t" "callq *%rax\n\t" "leaq -16(%rbp),%rsp\n\t" /* restore stack */ "popq %rdi\n\t" __ASM_CFI(".cfi_same_value %rdi\n\t") "popq %rsi\n\t" __ASM_CFI(".cfi_same_value %rsi\n\t") __ASM_CFI(".cfi_def_cfa_register %rsp\n\t") "popq %rbp\n\t" __ASM_CFI(".cfi_adjust_cfa_offset -8\n\t") __ASM_CFI(".cfi_same_value %rbp\n\t") "ret") #elif defined __arm__ LONG_PTR __cdecl call_server_func(SERVER_ROUTINE func, unsigned char *args, unsigned int stack_size); __ASM_GLOBAL_FUNC( call_server_func, ".arm\n\t" "push {r4, r5, LR}\n\t" "mov r4, r0\n\t" "mov r5, SP\n\t" "lsr r3, r2, #2\n\t" "cmp r3, #0\n\t" "beq 5f\n\t" "sub SP, SP, r2\n\t" "tst r3, #1\n\t" "subeq SP, SP, #4\n\t" "1:\tsub r2, r2, #4\n\t" "ldr r0, [r1, r2]\n\t" "str r0, [SP, r2]\n\t" "cmp r2, #0\n\t" "bgt 1b\n\t" "cmp r3, #1\n\t" "bgt 2f\n\t" "pop {r0}\n\t" "b 5f\n\t" "2:\tcmp r3, #2\n\t" "bgt 3f\n\t" "pop {r0-r1}\n\t" "b 5f\n\t" "3:\tcmp r3, #3\n\t" "bgt 4f\n\t" "pop {r0-r2}\n\t" "b 5f\n\t" "4:\tpop {r0-r3}\n\t" "5:\tblx r4\n\t" "mov SP, r5\n\t" "pop {r4, r5, PC}" ) #else #warning call_server_func not implemented for your architecture LONG_PTR __cdecl call_server_func(SERVER_ROUTINE func, unsigned char * args, unsigned short stack_size) { FIXME("Not implemented for your architecture\n"); return 0; } #endif static inline BOOL param_needs_alloc( PARAM_ATTRIBUTES attr ) { return attr.IsOut && !attr.IsIn && !attr.IsBasetype && !attr.IsByValue; } static LONG_PTR *stub_do_args(MIDL_STUB_MESSAGE *pStubMsg, PFORMAT_STRING pFormat, enum stubless_phase phase, unsigned short number_of_params) { const NDR_PARAM_OIF *params = (const NDR_PARAM_OIF *)pFormat; unsigned int i; LONG_PTR *retval_ptr = NULL; for (i = 0; i < number_of_params; i++) { unsigned char *pArg = pStubMsg->StackTop + params[i].stack_offset; const unsigned char *pTypeFormat = &pStubMsg->StubDesc->pFormatTypes[params[i].u.type_offset]; TRACE("param[%d]: %p -> %p type %02x %s\n", i, pArg, *(unsigned char **)pArg, params[i].attr.IsBasetype ? params[i].u.type_format_char : *pTypeFormat, debugstr_PROC_PF( params[i].attr )); switch (phase) { case STUBLESS_MARSHAL: if (params[i].attr.IsOut || params[i].attr.IsReturn) call_marshaller(pStubMsg, pArg, ¶ms[i]); break; case STUBLESS_MUSTFREE: if (params[i].attr.MustFree) { call_freer(pStubMsg, pArg, ¶ms[i]); } break; case STUBLESS_FREE: if (params[i].attr.ServerAllocSize) { HeapFree(GetProcessHeap(), 0, *(void **)pArg); } else if (param_needs_alloc(params[i].attr) && (!params[i].attr.MustFree || params[i].attr.IsSimpleRef)) { if (*pTypeFormat != RPC_FC_BIND_CONTEXT) pStubMsg->pfnFree(*(void **)pArg); } break; case STUBLESS_INITOUT: if (param_needs_alloc(params[i].attr) && !params[i].attr.ServerAllocSize) { if (*pTypeFormat == RPC_FC_BIND_CONTEXT) { NDR_SCONTEXT ctxt = NdrContextHandleInitialize(pStubMsg, pTypeFormat); *(void **)pArg = NDRSContextValue(ctxt); } else { DWORD size = calc_arg_size(pStubMsg, pTypeFormat); if (size) { *(void **)pArg = NdrAllocate(pStubMsg, size); memset(*(void **)pArg, 0, size); } } } break; case STUBLESS_UNMARSHAL: if (params[i].attr.ServerAllocSize) *(void **)pArg = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, params[i].attr.ServerAllocSize * 8); if (params[i].attr.IsIn) call_unmarshaller(pStubMsg, &pArg, ¶ms[i], 0); break; case STUBLESS_CALCSIZE: if (params[i].attr.IsOut || params[i].attr.IsReturn) call_buffer_sizer(pStubMsg, pArg, ¶ms[i]); break; default: RpcRaiseException(RPC_S_INTERNAL_ERROR); } TRACE("\tmemory addr (after): %p -> %p\n", pArg, *(unsigned char **)pArg); /* make a note of the address of the return value parameter for later */ if (params[i].attr.IsReturn) retval_ptr = (LONG_PTR *)pArg; } return retval_ptr; } /*********************************************************************** * NdrStubCall2 [RPCRT4.@] * * Unmarshals [in] parameters, calls either a method in an object or a server * function, marshals any [out] parameters and frees any allocated data. * * NOTES * Used by stubless MIDL-generated code. */ LONG WINAPI NdrStubCall2( struct IRpcStubBuffer * pThis, struct IRpcChannelBuffer * pChannel, PRPC_MESSAGE pRpcMsg, DWORD * pdwStubPhase) { const MIDL_SERVER_INFO *pServerInfo; const MIDL_STUB_DESC *pStubDesc; PFORMAT_STRING pFormat; MIDL_STUB_MESSAGE stubMsg; /* pointer to start of stack to pass into stub implementation */ unsigned char * args; /* size of stack */ unsigned short stack_size; /* number of parameters. optional for client to give it to us */ unsigned int number_of_params; /* cache of Oif_flags from v2 procedure header */ INTERPRETER_OPT_FLAGS Oif_flags = { 0 }; /* cache of extension flags from NDR_PROC_HEADER_EXTS */ INTERPRETER_OPT_FLAGS2 ext_flags = { 0 }; /* the type of pass we are currently doing */ enum stubless_phase phase; /* header for procedure string */ const NDR_PROC_HEADER *pProcHeader; /* location to put retval into */ LONG_PTR *retval_ptr = NULL; /* correlation cache */ ULONG_PTR NdrCorrCache[256]; TRACE("pThis %p, pChannel %p, pRpcMsg %p, pdwStubPhase %p\n", pThis, pChannel, pRpcMsg, pdwStubPhase); if (pThis) pServerInfo = CStdStubBuffer_GetServerInfo(pThis); else pServerInfo = ((RPC_SERVER_INTERFACE *)pRpcMsg->RpcInterfaceInformation)->InterpreterInfo; pStubDesc = pServerInfo->pStubDesc; pFormat = pServerInfo->ProcString + pServerInfo->FmtStringOffset[pRpcMsg->ProcNum]; pProcHeader = (const NDR_PROC_HEADER *)&pFormat[0]; TRACE("NDR Version: 0x%x\n", pStubDesc->Version); if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS) { const NDR_PROC_HEADER_RPC *header_rpc = (const NDR_PROC_HEADER_RPC *)&pFormat[0]; stack_size = header_rpc->stack_size; pFormat += sizeof(NDR_PROC_HEADER_RPC); } else { stack_size = pProcHeader->stack_size; pFormat += sizeof(NDR_PROC_HEADER); } TRACE("Oi_flags = 0x%02x\n", pProcHeader->Oi_flags); /* binding */ switch (pProcHeader->handle_type) { /* explicit binding: parse additional section */ case RPC_FC_BIND_EXPLICIT: switch (*pFormat) /* handle_type */ { case RPC_FC_BIND_PRIMITIVE: /* explicit primitive */ pFormat += sizeof(NDR_EHD_PRIMITIVE); break; case RPC_FC_BIND_GENERIC: /* explicit generic */ pFormat += sizeof(NDR_EHD_GENERIC); break; case RPC_FC_BIND_CONTEXT: /* explicit context */ pFormat += sizeof(NDR_EHD_CONTEXT); break; default: ERR("bad explicit binding handle type (0x%02x)\n", pProcHeader->handle_type); RpcRaiseException(RPC_X_BAD_STUB_DATA); } break; case RPC_FC_BIND_GENERIC: /* implicit generic */ case RPC_FC_BIND_PRIMITIVE: /* implicit primitive */ case RPC_FC_CALLBACK_HANDLE: /* implicit callback */ case RPC_FC_AUTO_HANDLE: /* implicit auto handle */ break; default: ERR("bad implicit binding handle type (0x%02x)\n", pProcHeader->handle_type); RpcRaiseException(RPC_X_BAD_STUB_DATA); } if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT) NdrStubInitialize(pRpcMsg, &stubMsg, pStubDesc, pChannel); else NdrServerInitializeNew(pRpcMsg, &stubMsg, pStubDesc); /* create the full pointer translation tables, if requested */ if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_FULLPTR) stubMsg.FullPtrXlatTables = NdrFullPointerXlatInit(0,XLAT_SERVER); /* store the RPC flags away */ if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS) pRpcMsg->RpcFlags = ((const NDR_PROC_HEADER_RPC *)pProcHeader)->rpc_flags; /* use alternate memory allocation routines */ if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCSSALLOC) #if 0 NdrRpcSsEnableAllocate(&stubMsg); #else FIXME("Set RPCSS memory allocation routines\n"); #endif TRACE("allocating memory for stack of size %x\n", stack_size); args = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, stack_size); stubMsg.StackTop = args; /* used by conformance of top-level objects */ /* add the implicit This pointer as the first arg to the function if we * are calling an object method */ if (pThis) *(void **)args = ((CStdStubBuffer *)pThis)->pvServerObject; if (is_oicf_stubdesc(pStubDesc)) { const NDR_PROC_PARTIAL_OIF_HEADER *pOIFHeader = (const NDR_PROC_PARTIAL_OIF_HEADER *)pFormat; Oif_flags = pOIFHeader->Oi2Flags; number_of_params = pOIFHeader->number_of_params; pFormat += sizeof(NDR_PROC_PARTIAL_OIF_HEADER); TRACE("Oif_flags = %s\n", debugstr_INTERPRETER_OPT_FLAGS(Oif_flags) ); if (Oif_flags.HasExtensions) { const NDR_PROC_HEADER_EXTS *pExtensions = (const NDR_PROC_HEADER_EXTS *)pFormat; ext_flags = pExtensions->Flags2; pFormat += pExtensions->Size; } if (Oif_flags.HasPipes) { FIXME("pipes not supported yet\n"); RpcRaiseException(RPC_X_WRONG_STUB_VERSION); /* FIXME: remove when implemented */ /* init pipes package */ /* NdrPipesInitialize(...) */ } if (ext_flags.HasNewCorrDesc) { /* initialize extra correlation package */ NdrCorrelationInitialize(&stubMsg, NdrCorrCache, sizeof(NdrCorrCache), 0); if (ext_flags.Unused & 0x2) /* has range on conformance */ stubMsg.CorrDespIncrement = 12; } } else { pFormat = convert_old_args( &stubMsg, pFormat, stack_size, pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT, /* reuse the correlation cache, it's not needed for v1 format */ NdrCorrCache, sizeof(NdrCorrCache), &number_of_params ); } /* convert strings, floating point values and endianness into our * preferred format */ if ((pRpcMsg->DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION) NdrConvert(&stubMsg, pFormat); for (phase = STUBLESS_UNMARSHAL; phase <= STUBLESS_FREE; phase++) { TRACE("phase = %d\n", phase); switch (phase) { case STUBLESS_CALLSERVER: /* call the server function */ if (pServerInfo->ThunkTable && pServerInfo->ThunkTable[pRpcMsg->ProcNum]) pServerInfo->ThunkTable[pRpcMsg->ProcNum](&stubMsg); else { SERVER_ROUTINE func; LONG_PTR retval; if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT) { SERVER_ROUTINE *vtbl = *(SERVER_ROUTINE **)((CStdStubBuffer *)pThis)->pvServerObject; func = vtbl[pRpcMsg->ProcNum]; } else func = pServerInfo->DispatchTable[pRpcMsg->ProcNum]; /* FIXME: what happens with return values that don't fit into a single register on x86? */ retval = call_server_func(func, args, stack_size); if (retval_ptr) { TRACE("stub implementation returned 0x%lx\n", retval); *retval_ptr = retval; } else TRACE("void stub implementation\n"); } stubMsg.Buffer = NULL; stubMsg.BufferLength = 0; break; case STUBLESS_GETBUFFER: if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT) NdrStubGetBuffer(pThis, pChannel, &stubMsg); else { RPC_STATUS Status; pRpcMsg->BufferLength = stubMsg.BufferLength; /* allocate buffer for [out] and [ret] params */ Status = I_RpcGetBuffer(pRpcMsg); if (Status) RpcRaiseException(Status); stubMsg.Buffer = pRpcMsg->Buffer; } break; case STUBLESS_UNMARSHAL: case STUBLESS_INITOUT: case STUBLESS_CALCSIZE: case STUBLESS_MARSHAL: case STUBLESS_MUSTFREE: case STUBLESS_FREE: retval_ptr = stub_do_args(&stubMsg, pFormat, phase, number_of_params); break; default: ERR("shouldn't reach here. phase %d\n", phase); break; } } pRpcMsg->BufferLength = (unsigned int)(stubMsg.Buffer - (unsigned char *)pRpcMsg->Buffer); if (ext_flags.HasNewCorrDesc) { /* free extra correlation package */ NdrCorrelationFree(&stubMsg); } if (Oif_flags.HasPipes) { /* NdrPipesDone(...) */ } /* free the full pointer translation tables */ if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_FULLPTR) NdrFullPointerXlatFree(stubMsg.FullPtrXlatTables); /* free server function stack */ HeapFree(GetProcessHeap(), 0, args); return S_OK; } /*********************************************************************** * NdrServerCall2 [RPCRT4.@] */ void WINAPI NdrServerCall2(PRPC_MESSAGE pRpcMsg) { DWORD dwPhase; NdrStubCall2(NULL, NULL, pRpcMsg, &dwPhase); } /*********************************************************************** * NdrStubCall [RPCRT4.@] */ LONG WINAPI NdrStubCall( struct IRpcStubBuffer *This, struct IRpcChannelBuffer *channel, PRPC_MESSAGE msg, DWORD *phase ) { return NdrStubCall2( This, channel, msg, phase ); } /*********************************************************************** * NdrServerCall [RPCRT4.@] */ void WINAPI NdrServerCall( PRPC_MESSAGE msg ) { DWORD phase; NdrStubCall( NULL, NULL, msg, &phase ); } struct async_call_data { MIDL_STUB_MESSAGE *pStubMsg; const NDR_PROC_HEADER *pProcHeader; PFORMAT_STRING pHandleFormat; PFORMAT_STRING pParamFormat; RPC_BINDING_HANDLE hBinding; /* size of stack */ unsigned short stack_size; /* number of parameters. optional for client to give it to us */ unsigned int number_of_params; /* correlation cache */ ULONG_PTR NdrCorrCache[256]; }; LONG_PTR CDECL DECLSPEC_HIDDEN ndr_async_client_call( PMIDL_STUB_DESC pStubDesc, PFORMAT_STRING pFormat, void **stack_top ) { /* pointer to start of stack where arguments start */ PRPC_MESSAGE pRpcMsg; PMIDL_STUB_MESSAGE pStubMsg; RPC_ASYNC_STATE *pAsync; struct async_call_data *async_call_data; /* procedure number */ unsigned short procedure_number; /* cache of Oif_flags from v2 procedure header */ INTERPRETER_OPT_FLAGS Oif_flags = { 0 }; /* cache of extension flags from NDR_PROC_HEADER_EXTS */ INTERPRETER_OPT_FLAGS2 ext_flags = { 0 }; /* header for procedure string */ const NDR_PROC_HEADER * pProcHeader = (const NDR_PROC_HEADER *)&pFormat[0]; RPC_STATUS status; TRACE("pStubDesc %p, pFormat %p, ...\n", pStubDesc, pFormat); /* Later NDR language versions probably won't be backwards compatible */ if (pStubDesc->Version > 0x50002) { FIXME("Incompatible stub description version: 0x%x\n", pStubDesc->Version); RpcRaiseException(RPC_X_WRONG_STUB_VERSION); } async_call_data = I_RpcAllocate(sizeof(*async_call_data) + sizeof(MIDL_STUB_MESSAGE) + sizeof(RPC_MESSAGE)); if (!async_call_data) RpcRaiseException(RPC_X_NO_MEMORY); async_call_data->pProcHeader = pProcHeader; async_call_data->pStubMsg = pStubMsg = (PMIDL_STUB_MESSAGE)(async_call_data + 1); pRpcMsg = (PRPC_MESSAGE)(pStubMsg + 1); if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS) { const NDR_PROC_HEADER_RPC *header_rpc = (const NDR_PROC_HEADER_RPC *)&pFormat[0]; async_call_data->stack_size = header_rpc->stack_size; procedure_number = header_rpc->proc_num; pFormat += sizeof(NDR_PROC_HEADER_RPC); } else { async_call_data->stack_size = pProcHeader->stack_size; procedure_number = pProcHeader->proc_num; pFormat += sizeof(NDR_PROC_HEADER); } TRACE("stack size: 0x%x\n", async_call_data->stack_size); TRACE("proc num: %d\n", procedure_number); /* create the full pointer translation tables, if requested */ if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_FULLPTR) pStubMsg->FullPtrXlatTables = NdrFullPointerXlatInit(0,XLAT_CLIENT); if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT) { ERR("objects not supported\n"); I_RpcFree(async_call_data); RpcRaiseException(RPC_X_BAD_STUB_DATA); } NdrClientInitializeNew(pRpcMsg, pStubMsg, pStubDesc, procedure_number); TRACE("Oi_flags = 0x%02x\n", pProcHeader->Oi_flags); TRACE("MIDL stub version = 0x%x\n", pStubDesc->MIDLVersion); /* needed for conformance of top-level objects */ pStubMsg->StackTop = I_RpcAllocate(async_call_data->stack_size); memcpy(pStubMsg->StackTop, stack_top, async_call_data->stack_size); pAsync = *(RPC_ASYNC_STATE **)pStubMsg->StackTop; pAsync->StubInfo = async_call_data; async_call_data->pHandleFormat = pFormat; pFormat = client_get_handle(pStubMsg, pProcHeader, async_call_data->pHandleFormat, &async_call_data->hBinding); if (!pFormat) goto done; if (is_oicf_stubdesc(pStubDesc)) { const NDR_PROC_PARTIAL_OIF_HEADER *pOIFHeader = (const NDR_PROC_PARTIAL_OIF_HEADER *)pFormat; Oif_flags = pOIFHeader->Oi2Flags; async_call_data->number_of_params = pOIFHeader->number_of_params; pFormat += sizeof(NDR_PROC_PARTIAL_OIF_HEADER); TRACE("Oif_flags = %s\n", debugstr_INTERPRETER_OPT_FLAGS(Oif_flags) ); if (Oif_flags.HasExtensions) { const NDR_PROC_HEADER_EXTS *pExtensions = (const NDR_PROC_HEADER_EXTS *)pFormat; ext_flags = pExtensions->Flags2; pFormat += pExtensions->Size; } } else { pFormat = convert_old_args( pStubMsg, pFormat, async_call_data->stack_size, pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT, async_call_data->NdrCorrCache, sizeof(async_call_data->NdrCorrCache), &async_call_data->number_of_params ); } async_call_data->pParamFormat = pFormat; pStubMsg->BufferLength = 0; /* store the RPC flags away */ if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS) pRpcMsg->RpcFlags = ((const NDR_PROC_HEADER_RPC *)pProcHeader)->rpc_flags; /* use alternate memory allocation routines */ if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCSSALLOC) NdrRpcSmSetClientToOsf(pStubMsg); if (Oif_flags.HasPipes) { FIXME("pipes not supported yet\n"); RpcRaiseException(RPC_X_WRONG_STUB_VERSION); /* FIXME: remove when implemented */ /* init pipes package */ /* NdrPipesInitialize(...) */ } if (ext_flags.HasNewCorrDesc) { /* initialize extra correlation package */ NdrCorrelationInitialize(pStubMsg, async_call_data->NdrCorrCache, sizeof(async_call_data->NdrCorrCache), 0); if (ext_flags.Unused & 0x2) /* has range on conformance */ pStubMsg->CorrDespIncrement = 12; } /* 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 buffer * Then in NdrpCompleteAsyncClientCall: * 1. SENDRECEIVE - receive buffer * 2. UNMARSHAL - unmarshal [out] params from buffer */ /* 1. CALCSIZE */ TRACE( "CALCSIZE\n" ); client_do_args(pStubMsg, pFormat, STUBLESS_CALCSIZE, NULL, async_call_data->number_of_params, NULL); /* 2. GETBUFFER */ TRACE( "GETBUFFER\n" ); if (Oif_flags.HasPipes) /* NdrGetPipeBuffer(...) */ FIXME("pipes not supported yet\n"); else { if (pProcHeader->handle_type == RPC_FC_AUTO_HANDLE) #if 0 NdrNsGetBuffer(pStubMsg, pStubMsg->BufferLength, async_call_data->hBinding); #else FIXME("using auto handle - call NdrNsGetBuffer when it gets implemented\n"); #endif else NdrGetBuffer(pStubMsg, pStubMsg->BufferLength, async_call_data->hBinding); } pRpcMsg->RpcFlags |= RPC_BUFFER_ASYNC; status = I_RpcAsyncSetHandle(pRpcMsg, pAsync); if (status != RPC_S_OK) RpcRaiseException(status); /* 3. MARSHAL */ TRACE( "MARSHAL\n" ); client_do_args(pStubMsg, pFormat, STUBLESS_MARSHAL, NULL, async_call_data->number_of_params, NULL); /* 4. SENDRECEIVE */ TRACE( "SEND\n" ); pRpcMsg->RpcFlags |= RPC_BUFFER_ASYNC; /* send the [in] params only */ if (Oif_flags.HasPipes) /* NdrPipesSend(...) */ FIXME("pipes not supported yet\n"); else { if (pProcHeader->handle_type == RPC_FC_AUTO_HANDLE) #if 0 NdrNsSend(&stubMsg, stubMsg.Buffer, pStubDesc->IMPLICIT_HANDLE_INFO.pAutoHandle); #else FIXME("using auto handle - call NdrNsSend when it gets implemented\n"); #endif else { pStubMsg->RpcMsg->BufferLength = pStubMsg->Buffer - (unsigned char *)pStubMsg->RpcMsg->Buffer; status = I_RpcSend(pStubMsg->RpcMsg); if (status != RPC_S_OK) RpcRaiseException(status); } } done: TRACE("returning 0\n"); return 0; } RPC_STATUS NdrpCompleteAsyncClientCall(RPC_ASYNC_STATE *pAsync, void *Reply) { /* pointer to start of stack where arguments start */ PMIDL_STUB_MESSAGE pStubMsg; struct async_call_data *async_call_data; /* header for procedure string */ const NDR_PROC_HEADER * pProcHeader; RPC_STATUS status = RPC_S_OK; if (!pAsync->StubInfo) return RPC_S_INVALID_ASYNC_HANDLE; async_call_data = pAsync->StubInfo; pStubMsg = async_call_data->pStubMsg; pProcHeader = async_call_data->pProcHeader; /* 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 buffer * Then in NdrpCompleteAsyncClientCall: * 1. SENDRECEIVE - receive buffer * 2. UNMARSHAL - unmarshal [out] params from buffer */ /* 1. SENDRECEIVE */ TRACE( "RECEIVE\n" ); pStubMsg->RpcMsg->RpcFlags |= RPC_BUFFER_ASYNC; /* receive the [out] params */ if (pProcHeader->handle_type == RPC_FC_AUTO_HANDLE) #if 0 NdrNsReceive(&stubMsg, stubMsg.Buffer, pStubDesc->IMPLICIT_HANDLE_INFO.pAutoHandle); #else FIXME("using auto handle - call NdrNsReceive when it gets implemented\n"); #endif else { status = I_RpcReceive(pStubMsg->RpcMsg); if (status != RPC_S_OK) goto cleanup; pStubMsg->BufferLength = pStubMsg->RpcMsg->BufferLength; pStubMsg->BufferStart = pStubMsg->RpcMsg->Buffer; pStubMsg->BufferEnd = pStubMsg->BufferStart + pStubMsg->BufferLength; pStubMsg->Buffer = pStubMsg->BufferStart; } /* convert strings, floating point values and endianness into our * preferred format */ #if 0 if ((pStubMsg->RpcMsg.DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION) NdrConvert(pStubMsg, pFormat); #endif /* 2. UNMARSHAL */ TRACE( "UNMARSHAL\n" ); client_do_args(pStubMsg, async_call_data->pParamFormat, STUBLESS_UNMARSHAL, NULL, async_call_data->number_of_params, Reply); cleanup: if (pStubMsg->fHasNewCorrDesc) { /* free extra correlation package */ NdrCorrelationFree(pStubMsg); } /* free the full pointer translation tables */ if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_FULLPTR) NdrFullPointerXlatFree(pStubMsg->FullPtrXlatTables); /* free marshalling buffer */ NdrFreeBuffer(pStubMsg); client_free_handle(pStubMsg, pProcHeader, async_call_data->pHandleFormat, async_call_data->hBinding); I_RpcFree(pStubMsg->StackTop); I_RpcFree(async_call_data); TRACE("-- 0x%x\n", status); return status; } #ifdef __x86_64__ __ASM_GLOBAL_FUNC( NdrAsyncClientCall, "movq %r8,0x18(%rsp)\n\t" "movq %r9,0x20(%rsp)\n\t" "leaq 0x18(%rsp),%r8\n\t" "subq $0x28,%rsp\n\t" __ASM_CFI(".cfi_adjust_cfa_offset 0x28\n\t") "call " __ASM_NAME("ndr_async_client_call") "\n\t" "addq $0x28,%rsp\n\t" __ASM_CFI(".cfi_adjust_cfa_offset -0x28\n\t") "ret" ); #else /* __x86_64__ */ /*********************************************************************** * NdrAsyncClientCall [RPCRT4.@] */ CLIENT_CALL_RETURN WINAPIV NdrAsyncClientCall( PMIDL_STUB_DESC desc, PFORMAT_STRING format, ... ) { __ms_va_list args; LONG_PTR ret; __ms_va_start( args, format ); ret = ndr_async_client_call( desc, format, va_arg( args, void ** )); __ms_va_end( args ); return *(CLIENT_CALL_RETURN *)&ret; } #endif /* __x86_64__ */ RPCRTAPI LONG RPC_ENTRY NdrAsyncStubCall(struct IRpcStubBuffer* pThis, struct IRpcChannelBuffer* pChannel, PRPC_MESSAGE pRpcMsg, DWORD * pdwStubPhase) { FIXME("unimplemented, expect crash!\n"); return 0; } void RPC_ENTRY NdrAsyncServerCall(PRPC_MESSAGE pRpcMsg) { FIXME("unimplemented, %p\n", pRpcMsg); }