380 lines
13 KiB
C
380 lines
13 KiB
C
/*
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* RPC endpoint mapper
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*
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* Copyright 2002 Greg Turner
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* Copyright 2001 Ove Kåven, TransGaming Technologies
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*
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* TODO:
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* - actually do things right
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winerror.h"
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#include "winreg.h"
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#include "rpc.h"
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#include "wine/debug.h"
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#include "rpc_binding.h"
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#include "epm_towers.h"
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WINE_DEFAULT_DEBUG_CHANNEL(ole);
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/* The "real" RPC portmapper endpoints that I know of are:
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*
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* ncadg_ip_udp: 135
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* ncacn_ip_tcp: 135
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* ncacn_np: \\pipe\epmapper (?)
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* ncalrpc: epmapper
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*
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* If the user's machine ran a DCE RPC daemon, it would
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* probably be possible to connect to it, but there are many
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* reasons not to, like:
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* - the user probably does *not* run one, and probably
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* shouldn't be forced to run one just for local COM
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* - very few Unix systems use DCE RPC... if they run a RPC
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* daemon at all, it's usually Sun RPC
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* - DCE RPC registrations are persistent and saved on disk,
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* while MS-RPC registrations are documented as non-persistent
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* and stored only in RAM, and auto-destroyed when the process
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* dies (something DCE RPC can't do)
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*
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* Of course, if the user *did* want to run a DCE RPC daemon anyway,
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* there would be interoperability advantages, like the possibility
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* of running a fully functional DCOM server using Wine...
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*/
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/***********************************************************************
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* RpcEpRegisterA (RPCRT4.@)
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*/
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RPC_STATUS WINAPI RpcEpRegisterA( RPC_IF_HANDLE IfSpec, RPC_BINDING_VECTOR *BindingVector,
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UUID_VECTOR *UuidVector, RPC_CSTR Annotation )
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{
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RPCSS_NP_MESSAGE msg;
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RPCSS_NP_REPLY reply;
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char *vardata_payload, *vp;
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PRPC_SERVER_INTERFACE If = (PRPC_SERVER_INTERFACE)IfSpec;
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unsigned long c;
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RPC_STATUS rslt = RPC_S_OK;
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TRACE("(%p,%p,%p,%s)\n", IfSpec, BindingVector, UuidVector, debugstr_a((char*)Annotation));
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TRACE(" ifid=%s\n", debugstr_guid(&If->InterfaceId.SyntaxGUID));
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for (c=0; c<BindingVector->Count; c++) {
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RpcBinding* bind = (RpcBinding*)(BindingVector->BindingH[c]);
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TRACE(" protseq[%ld]=%s\n", c, debugstr_a(bind->Protseq));
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TRACE(" endpoint[%ld]=%s\n", c, debugstr_a(bind->Endpoint));
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}
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if (UuidVector) {
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for (c=0; c<UuidVector->Count; c++)
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TRACE(" obj[%ld]=%s\n", c, debugstr_guid(UuidVector->Uuid[c]));
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}
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/* FIXME: Do something with annotation. */
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/* construct the message to rpcss */
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msg.message_type = RPCSS_NP_MESSAGE_TYPEID_REGISTEREPMSG;
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msg.message.registerepmsg.iface = If->InterfaceId;
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msg.message.registerepmsg.no_replace = 0;
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msg.message.registerepmsg.object_count = (UuidVector) ? UuidVector->Count : 0;
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msg.message.registerepmsg.binding_count = BindingVector->Count;
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/* calculate vardata payload size */
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msg.vardata_payload_size = msg.message.registerepmsg.object_count * sizeof(UUID);
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for (c=0; c < msg.message.registerepmsg.binding_count; c++) {
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RpcBinding *bind = (RpcBinding *)(BindingVector->BindingH[c]);
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msg.vardata_payload_size += strlen(bind->Protseq) + 1;
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msg.vardata_payload_size += strlen(bind->Endpoint) + 1;
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}
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/* allocate the payload buffer */
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vp = vardata_payload = LocalAlloc(LPTR, msg.vardata_payload_size);
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if (!vardata_payload)
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return RPC_S_OUT_OF_MEMORY;
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/* populate the payload data */
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for (c=0; c < msg.message.registerepmsg.object_count; c++) {
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CopyMemory(vp, UuidVector->Uuid[c], sizeof(UUID));
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vp += sizeof(UUID);
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}
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for (c=0; c < msg.message.registerepmsg.binding_count; c++) {
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RpcBinding *bind = (RpcBinding*)(BindingVector->BindingH[c]);
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unsigned long pslen = strlen(bind->Protseq) + 1, eplen = strlen(bind->Endpoint) + 1;
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CopyMemory(vp, bind->Protseq, pslen);
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vp += pslen;
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CopyMemory(vp, bind->Endpoint, eplen);
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vp += eplen;
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}
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/* send our request */
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if (!RPCRT4_RPCSSOnDemandCall(&msg, vardata_payload, &reply))
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rslt = RPC_S_OUT_OF_MEMORY;
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/* free the payload buffer */
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LocalFree(vardata_payload);
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return rslt;
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}
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/***********************************************************************
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* RpcEpUnregister (RPCRT4.@)
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*/
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RPC_STATUS WINAPI RpcEpUnregister( RPC_IF_HANDLE IfSpec, RPC_BINDING_VECTOR *BindingVector,
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UUID_VECTOR *UuidVector )
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{
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RPCSS_NP_MESSAGE msg;
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RPCSS_NP_REPLY reply;
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char *vardata_payload, *vp;
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PRPC_SERVER_INTERFACE If = (PRPC_SERVER_INTERFACE)IfSpec;
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unsigned long c;
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RPC_STATUS rslt = RPC_S_OK;
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TRACE("(%p,%p,%p)\n", IfSpec, BindingVector, UuidVector);
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TRACE(" ifid=%s\n", debugstr_guid(&If->InterfaceId.SyntaxGUID));
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for (c=0; c<BindingVector->Count; c++) {
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RpcBinding* bind = (RpcBinding*)(BindingVector->BindingH[c]);
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TRACE(" protseq[%ld]=%s\n", c, debugstr_a(bind->Protseq));
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TRACE(" endpoint[%ld]=%s\n", c, debugstr_a(bind->Endpoint));
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}
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if (UuidVector) {
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for (c=0; c<UuidVector->Count; c++)
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TRACE(" obj[%ld]=%s\n", c, debugstr_guid(UuidVector->Uuid[c]));
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}
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/* construct the message to rpcss */
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msg.message_type = RPCSS_NP_MESSAGE_TYPEID_UNREGISTEREPMSG;
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msg.message.unregisterepmsg.iface = If->InterfaceId;
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msg.message.unregisterepmsg.object_count = (UuidVector) ? UuidVector->Count : 0;
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msg.message.unregisterepmsg.binding_count = BindingVector->Count;
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/* calculate vardata payload size */
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msg.vardata_payload_size = msg.message.unregisterepmsg.object_count * sizeof(UUID);
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for (c=0; c < msg.message.unregisterepmsg.binding_count; c++) {
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RpcBinding *bind = (RpcBinding *)(BindingVector->BindingH[c]);
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msg.vardata_payload_size += strlen(bind->Protseq) + 1;
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msg.vardata_payload_size += strlen(bind->Endpoint) + 1;
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}
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/* allocate the payload buffer */
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vp = vardata_payload = LocalAlloc(LPTR, msg.vardata_payload_size);
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if (!vardata_payload)
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return RPC_S_OUT_OF_MEMORY;
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/* populate the payload data */
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for (c=0; c < msg.message.unregisterepmsg.object_count; c++) {
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CopyMemory(vp, UuidVector->Uuid[c], sizeof(UUID));
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vp += sizeof(UUID);
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}
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for (c=0; c < msg.message.unregisterepmsg.binding_count; c++) {
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RpcBinding *bind = (RpcBinding*)(BindingVector->BindingH[c]);
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unsigned long pslen = strlen(bind->Protseq) + 1, eplen = strlen(bind->Endpoint) + 1;
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CopyMemory(vp, bind->Protseq, pslen);
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vp += pslen;
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CopyMemory(vp, bind->Endpoint, eplen);
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vp += eplen;
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}
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/* send our request */
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if (!RPCRT4_RPCSSOnDemandCall(&msg, vardata_payload, &reply))
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rslt = RPC_S_OUT_OF_MEMORY;
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/* free the payload buffer */
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LocalFree(vardata_payload);
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return rslt;
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}
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/***********************************************************************
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* RpcEpResolveBinding (RPCRT4.@)
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*/
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RPC_STATUS WINAPI RpcEpResolveBinding( RPC_BINDING_HANDLE Binding, RPC_IF_HANDLE IfSpec )
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{
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RPCSS_NP_MESSAGE msg;
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RPCSS_NP_REPLY reply;
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PRPC_CLIENT_INTERFACE If = (PRPC_CLIENT_INTERFACE)IfSpec;
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RpcBinding* bind = (RpcBinding*)Binding;
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TRACE("(%p,%p)\n", Binding, IfSpec);
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TRACE(" protseq=%s\n", debugstr_a(bind->Protseq));
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TRACE(" obj=%s\n", debugstr_guid(&bind->ObjectUuid));
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TRACE(" ifid=%s\n", debugstr_guid(&If->InterfaceId.SyntaxGUID));
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/* FIXME: totally untested */
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/* just return for fully bound handles */
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if (bind->Endpoint && (bind->Endpoint[0] != '\0'))
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return RPC_S_OK;
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/* construct the message to rpcss */
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msg.message_type = RPCSS_NP_MESSAGE_TYPEID_RESOLVEEPMSG;
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msg.message.resolveepmsg.iface = If->InterfaceId;
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msg.message.resolveepmsg.object = bind->ObjectUuid;
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msg.vardata_payload_size = strlen(bind->Protseq) + 1;
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/* send the message */
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if (!RPCRT4_RPCSSOnDemandCall(&msg, bind->Protseq, &reply))
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return RPC_S_OUT_OF_MEMORY;
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/* empty-string result means not registered */
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if (reply.as_string[0] == '\0')
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return EPT_S_NOT_REGISTERED;
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/* otherwise we fully bind the handle & return RPC_S_OK */
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return RPCRT4_ResolveBinding(Binding, reply.as_string);
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}
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typedef unsigned int unsigned32;
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typedef struct twr_t
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{
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unsigned32 tower_length;
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/* [size_is] */ byte tower_octet_string[ 1 ];
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} twr_t;
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RPC_STATUS WINAPI TowerExplode(
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const twr_t *tower, RPC_SYNTAX_IDENTIFIER *object, RPC_SYNTAX_IDENTIFIER *syntax,
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char **protseq, char **endpoint, char **address)
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{
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size_t tower_size;
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RPC_STATUS status;
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const unsigned char *p;
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u_int16 floor_count;
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const twr_uuid_floor_t *object_floor;
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const twr_uuid_floor_t *syntax_floor;
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if (protseq)
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*protseq = NULL;
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if (endpoint)
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*endpoint = NULL;
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if (address)
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*address = NULL;
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tower_size = tower->tower_length;
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if (tower_size < sizeof(u_int16))
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return EPT_S_NOT_REGISTERED;
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p = &tower->tower_octet_string[0];
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floor_count = *(const u_int16 *)p;
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p += sizeof(u_int16);
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tower_size -= sizeof(u_int16);
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TRACE("floor_count: %d\n", floor_count);
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/* FIXME: should we do something with the floor count? at the moment we don't */
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if (tower_size < sizeof(*object_floor) + sizeof(*syntax_floor))
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return EPT_S_NOT_REGISTERED;
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object_floor = (const twr_uuid_floor_t *)p;
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p += sizeof(*object_floor);
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tower_size -= sizeof(*object_floor);
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syntax_floor = (const twr_uuid_floor_t *)p;
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p += sizeof(*syntax_floor);
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tower_size -= sizeof(*syntax_floor);
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if ((object_floor->count_lhs != sizeof(object_floor->protid) +
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sizeof(object_floor->uuid) + sizeof(object_floor->major_version)) ||
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(object_floor->protid != EPM_PROTOCOL_UUID) ||
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(object_floor->count_rhs != sizeof(object_floor->minor_version)))
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return EPT_S_NOT_REGISTERED;
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if ((syntax_floor->count_lhs != sizeof(syntax_floor->protid) +
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sizeof(syntax_floor->uuid) + sizeof(syntax_floor->major_version)) ||
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(syntax_floor->protid != EPM_PROTOCOL_UUID) ||
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(syntax_floor->count_rhs != sizeof(syntax_floor->minor_version)))
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return EPT_S_NOT_REGISTERED;
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status = RpcTransport_ParseTopOfTower(p, tower_size, protseq, address, endpoint);
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if ((status == RPC_S_OK) && syntax && object)
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{
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syntax->SyntaxGUID = syntax_floor->uuid;
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syntax->SyntaxVersion.MajorVersion = syntax_floor->major_version;
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syntax->SyntaxVersion.MinorVersion = syntax_floor->minor_version;
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object->SyntaxGUID = object_floor->uuid;
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object->SyntaxVersion.MajorVersion = object_floor->major_version;
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object->SyntaxVersion.MinorVersion = object_floor->minor_version;
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}
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return status;
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}
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RPC_STATUS WINAPI TowerConstruct(
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const RPC_SYNTAX_IDENTIFIER *object, const RPC_SYNTAX_IDENTIFIER *syntax,
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const char *protseq, const char *endpoint, const char *address,
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twr_t **tower)
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{
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size_t tower_size;
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RPC_STATUS status;
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unsigned char *p;
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twr_uuid_floor_t *object_floor;
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twr_uuid_floor_t *syntax_floor;
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*tower = NULL;
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status = RpcTransport_GetTopOfTower(NULL, &tower_size, protseq, address, endpoint);
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if (status != RPC_S_OK)
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return status;
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tower_size += sizeof(u_int16) + sizeof(*object_floor) + sizeof(*syntax_floor);
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*tower = I_RpcAllocate(FIELD_OFFSET(twr_t, tower_octet_string[tower_size]));
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if (!*tower)
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return RPC_S_OUT_OF_RESOURCES;
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(*tower)->tower_length = tower_size;
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p = &(*tower)->tower_octet_string[0];
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*(u_int16 *)p = 5; /* number of floors */
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p += sizeof(u_int16);
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object_floor = (twr_uuid_floor_t *)p;
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p += sizeof(*object_floor);
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syntax_floor = (twr_uuid_floor_t *)p;
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p += sizeof(*syntax_floor);
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object_floor->count_lhs = sizeof(object_floor->protid) + sizeof(object_floor->uuid) +
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sizeof(object_floor->major_version);
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object_floor->protid = EPM_PROTOCOL_UUID;
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object_floor->count_rhs = sizeof(object_floor->minor_version);
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object_floor->uuid = object->SyntaxGUID;
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object_floor->major_version = object->SyntaxVersion.MajorVersion;
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object_floor->minor_version = object->SyntaxVersion.MinorVersion;
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syntax_floor->count_lhs = sizeof(syntax_floor->protid) + sizeof(syntax_floor->uuid) +
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sizeof(syntax_floor->major_version);
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syntax_floor->protid = EPM_PROTOCOL_UUID;
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syntax_floor->count_rhs = sizeof(syntax_floor->minor_version);
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syntax_floor->uuid = syntax->SyntaxGUID;
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syntax_floor->major_version = syntax->SyntaxVersion.MajorVersion;
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syntax_floor->minor_version = syntax->SyntaxVersion.MinorVersion;
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status = RpcTransport_GetTopOfTower(p, &tower_size, protseq, address, endpoint);
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if (status != RPC_S_OK)
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{
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I_RpcFree(*tower);
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*tower = NULL;
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return status;
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}
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return RPC_S_OK;
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}
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