mirror of
git://source.winehq.org/git/wine.git
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9d1beee6c7
Signed-off-by: Rémi Bernon <rbernon@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2198 lines
69 KiB
C
2198 lines
69 KiB
C
/*
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* Copyright 2001 Ove Kåven, TransGaming Technologies
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* Copyright 2002 Marcus Meissner
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* Copyright 2005 Mike Hearn, Rob Shearman for CodeWeavers
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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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#include <stdarg.h>
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#define COBJMACROS
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#include "windef.h"
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#include "winbase.h"
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#include "winsvc.h"
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#include "servprov.h"
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#include "wine/debug.h"
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#include "wine/exception.h"
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#include "combase_private.h"
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#include "irpcss.h"
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WINE_DEFAULT_DEBUG_CHANNEL(ole);
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static void __RPC_STUB dispatch_rpc(RPC_MESSAGE *msg);
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/* we only use one function to dispatch calls for all methods - we use the
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* RPC_IF_OLE flag to tell the RPC runtime that this is the case */
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static RPC_DISPATCH_FUNCTION rpc_dispatch_table[1] = { dispatch_rpc }; /* (RO) */
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static RPC_DISPATCH_TABLE rpc_dispatch = { 1, rpc_dispatch_table }; /* (RO) */
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static struct list registered_interfaces = LIST_INIT(registered_interfaces); /* (CS csRegIf) */
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static CRITICAL_SECTION csRegIf;
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static CRITICAL_SECTION_DEBUG csRegIf_debug =
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{
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0, 0, &csRegIf,
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{ &csRegIf_debug.ProcessLocksList, &csRegIf_debug.ProcessLocksList },
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0, 0, { (DWORD_PTR)(__FILE__ ": dcom registered server interfaces") }
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};
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static CRITICAL_SECTION csRegIf = { &csRegIf_debug, -1, 0, 0, 0, 0 };
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static struct list channel_hooks = LIST_INIT(channel_hooks); /* (CS csChannelHook) */
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static CRITICAL_SECTION csChannelHook;
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static CRITICAL_SECTION_DEBUG csChannelHook_debug =
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{
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0, 0, &csChannelHook,
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{ &csChannelHook_debug.ProcessLocksList, &csChannelHook_debug.ProcessLocksList },
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0, 0, { (DWORD_PTR)(__FILE__ ": channel hooks") }
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};
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static CRITICAL_SECTION csChannelHook = { &csChannelHook_debug, -1, 0, 0, 0, 0 };
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static WCHAR rpctransportW[] = L"ncalrpc";
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struct registered_if
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{
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struct list entry;
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DWORD refs; /* ref count */
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RPC_SERVER_INTERFACE If; /* interface registered with the RPC runtime */
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};
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/* get the pipe endpoint specified of the specified apartment */
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static inline void get_rpc_endpoint(LPWSTR endpoint, const OXID *oxid)
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{
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/* FIXME: should get endpoint from rpcss */
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wsprintfW(endpoint, L"\\pipe\\OLE_%016I64x", *oxid);
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}
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typedef struct
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{
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IRpcChannelBuffer IRpcChannelBuffer_iface;
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LONG refs;
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DWORD dest_context; /* returned from GetDestCtx */
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void *dest_context_data; /* returned from GetDestCtx */
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} RpcChannelBuffer;
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typedef struct
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{
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RpcChannelBuffer super; /* superclass */
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RPC_BINDING_HANDLE bind; /* handle to the remote server */
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OXID oxid; /* apartment in which the channel is valid */
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DWORD server_pid; /* id of server process */
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HANDLE event; /* cached event handle */
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IID iid; /* IID of the proxy this belongs to */
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} ClientRpcChannelBuffer;
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struct dispatch_params
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{
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RPCOLEMESSAGE *msg; /* message */
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IRpcStubBuffer *stub; /* stub buffer, if applicable */
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IRpcChannelBuffer *chan; /* server channel buffer, if applicable */
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IID iid; /* ID of interface being called */
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IUnknown *iface; /* interface being called */
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HANDLE handle; /* handle that will become signaled when call finishes */
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BOOL bypass_rpcrt; /* bypass RPC runtime? */
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RPC_STATUS status; /* status (out) */
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HRESULT hr; /* hresult (out) */
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};
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struct message_state
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{
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RPC_BINDING_HANDLE binding_handle;
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ULONG prefix_data_len;
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SChannelHookCallInfo channel_hook_info;
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BOOL bypass_rpcrt;
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/* client only */
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HWND target_hwnd;
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DWORD target_tid;
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struct dispatch_params params;
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};
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typedef struct
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{
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ULONG conformance; /* NDR */
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GUID id;
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ULONG size;
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/* [size_is((size+7)&~7)] */ unsigned char data[1];
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} WIRE_ORPC_EXTENT;
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typedef struct
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{
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ULONG size;
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ULONG reserved;
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unsigned char extent[1];
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} WIRE_ORPC_EXTENT_ARRAY;
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typedef struct
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{
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ULONG version;
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ULONG flags;
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ULONG reserved1;
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GUID cid;
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unsigned char extensions[1];
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} WIRE_ORPCTHIS;
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typedef struct
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{
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ULONG flags;
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unsigned char extensions[1];
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} WIRE_ORPCTHAT;
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struct channel_hook_entry
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{
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struct list entry;
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GUID id;
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IChannelHook *hook;
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};
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struct channel_hook_buffer_data
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{
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GUID id;
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ULONG extension_size;
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};
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void * __RPC_USER MIDL_user_allocate(SIZE_T size)
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{
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return malloc(size);
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}
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void __RPC_USER MIDL_user_free(void *p)
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{
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free(p);
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}
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static LONG WINAPI rpc_filter(EXCEPTION_POINTERS *eptr)
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{
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return I_RpcExceptionFilter(eptr->ExceptionRecord->ExceptionCode);
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}
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static BOOL start_rpcss(void)
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{
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SERVICE_STATUS_PROCESS status;
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SC_HANDLE scm, service;
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BOOL ret = FALSE;
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TRACE("\n");
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if (!(scm = OpenSCManagerW(NULL, NULL, 0)))
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{
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ERR("Failed to open service manager\n");
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return FALSE;
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}
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if (!(service = OpenServiceW(scm, L"RpcSs", SERVICE_START | SERVICE_QUERY_STATUS)))
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{
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ERR("Failed to open RpcSs service\n");
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CloseServiceHandle( scm );
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return FALSE;
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}
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if (StartServiceW(service, 0, NULL) || GetLastError() == ERROR_SERVICE_ALREADY_RUNNING)
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{
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ULONGLONG start_time = GetTickCount64();
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do
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{
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DWORD dummy;
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if (!QueryServiceStatusEx(service, SC_STATUS_PROCESS_INFO, (BYTE *)&status, sizeof(status), &dummy))
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break;
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if (status.dwCurrentState == SERVICE_RUNNING)
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{
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ret = TRUE;
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break;
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}
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if (GetTickCount64() - start_time > 30000) break;
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Sleep( 100 );
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} while (status.dwCurrentState == SERVICE_START_PENDING);
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if (status.dwCurrentState != SERVICE_RUNNING)
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WARN("RpcSs failed to start %lu\n", status.dwCurrentState);
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}
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else
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ERR("Failed to start RpcSs service\n");
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CloseServiceHandle(service);
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CloseServiceHandle(scm);
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return ret;
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}
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static RPC_BINDING_HANDLE get_rpc_handle(unsigned short *protseq, unsigned short *endpoint)
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{
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RPC_BINDING_HANDLE handle = NULL;
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RPC_STATUS status;
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RPC_WSTR binding;
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status = RpcStringBindingComposeW(NULL, protseq, NULL, endpoint, NULL, &binding);
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if (status == RPC_S_OK)
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{
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status = RpcBindingFromStringBindingW(binding, &handle);
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RpcStringFreeW(&binding);
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}
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return handle;
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}
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static RPC_BINDING_HANDLE get_irpcss_handle(void)
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{
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static RPC_BINDING_HANDLE irpcss_handle;
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if (!irpcss_handle)
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{
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unsigned short protseq[] = IRPCSS_PROTSEQ;
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unsigned short endpoint[] = IRPCSS_ENDPOINT;
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RPC_BINDING_HANDLE new_handle = get_rpc_handle(protseq, endpoint);
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if (InterlockedCompareExchangePointer(&irpcss_handle, new_handle, NULL))
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/* another thread beat us to it */
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RpcBindingFree(&new_handle);
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}
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return irpcss_handle;
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}
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static RPC_BINDING_HANDLE get_irot_handle(void)
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{
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static RPC_BINDING_HANDLE irot_handle;
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if (!irot_handle)
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{
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unsigned short protseq[] = IROT_PROTSEQ;
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unsigned short endpoint[] = IROT_ENDPOINT;
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RPC_BINDING_HANDLE new_handle = get_rpc_handle(protseq, endpoint);
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if (InterlockedCompareExchangePointer(&irot_handle, new_handle, NULL))
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/* another thread beat us to it */
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RpcBindingFree(&new_handle);
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}
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return irot_handle;
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}
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#define RPCSS_CALL_START \
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HRESULT hr; \
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for (;;) { \
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__TRY {
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#define RPCSS_CALL_END \
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} __EXCEPT(rpc_filter) { \
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hr = HRESULT_FROM_WIN32(GetExceptionCode()); \
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} \
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__ENDTRY \
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if (hr == HRESULT_FROM_WIN32(RPC_S_SERVER_UNAVAILABLE)) { \
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if (start_rpcss()) \
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continue; \
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} \
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break; \
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} \
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return hr;
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HRESULT rpcss_get_next_seqid(DWORD *id)
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{
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RPCSS_CALL_START
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hr = irpcss_get_thread_seq_id(get_irpcss_handle(), id);
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RPCSS_CALL_END
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}
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HRESULT WINAPI InternalIrotRegister(const MonikerComparisonData *moniker_data,
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const InterfaceData *object, const InterfaceData *moniker,
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const FILETIME *time, DWORD flags, IrotCookie *cookie, IrotContextHandle *ctxt_handle)
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{
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RPCSS_CALL_START
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hr = IrotRegister(get_irot_handle(), moniker_data, object, moniker, time, flags, cookie, ctxt_handle);
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RPCSS_CALL_END
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}
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HRESULT WINAPI InternalIrotIsRunning(const MonikerComparisonData *moniker_data)
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{
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RPCSS_CALL_START
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hr = IrotIsRunning(get_irot_handle(), moniker_data);
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RPCSS_CALL_END
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}
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HRESULT WINAPI InternalIrotGetObject(const MonikerComparisonData *moniker_data, PInterfaceData *obj,
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IrotCookie *cookie)
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{
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RPCSS_CALL_START
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hr = IrotGetObject(get_irot_handle(), moniker_data, obj, cookie);
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RPCSS_CALL_END
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}
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HRESULT WINAPI InternalIrotNoteChangeTime(IrotCookie cookie, const FILETIME *time)
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{
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RPCSS_CALL_START
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hr = IrotNoteChangeTime(get_irot_handle(), cookie, time);
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RPCSS_CALL_END
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}
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HRESULT WINAPI InternalIrotGetTimeOfLastChange(const MonikerComparisonData *moniker_data, FILETIME *time)
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{
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RPCSS_CALL_START
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hr = IrotGetTimeOfLastChange(get_irot_handle(), moniker_data, time);
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RPCSS_CALL_END
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}
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HRESULT WINAPI InternalIrotEnumRunning(PInterfaceList *list)
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{
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RPCSS_CALL_START
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hr = IrotEnumRunning(get_irot_handle(), list);
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RPCSS_CALL_END
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}
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HRESULT WINAPI InternalIrotRevoke(IrotCookie cookie, IrotContextHandle *ctxt_handle, PInterfaceData *object,
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PInterfaceData *moniker)
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{
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RPCSS_CALL_START
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hr = IrotRevoke(get_irot_handle(), cookie, ctxt_handle, object, moniker);
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RPCSS_CALL_END
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}
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static HRESULT rpcss_server_register(REFCLSID clsid, DWORD flags, MInterfacePointer *obj, unsigned int *cookie)
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{
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RPCSS_CALL_START
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hr = irpcss_server_register(get_irpcss_handle(), clsid, flags, obj, cookie);
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RPCSS_CALL_END
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}
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HRESULT rpc_revoke_local_server(unsigned int cookie)
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{
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RPCSS_CALL_START
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hr = irpcss_server_revoke(get_irpcss_handle(), cookie);
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RPCSS_CALL_END
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}
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static HRESULT rpcss_get_class_object(REFCLSID rclsid, PMInterfacePointer *objref)
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{
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RPCSS_CALL_START
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hr = irpcss_get_class_object(get_irpcss_handle(), rclsid, objref);
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RPCSS_CALL_END
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}
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static DWORD start_local_service(const WCHAR *name, DWORD num, LPCWSTR *params)
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{
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SC_HANDLE handle, hsvc;
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DWORD r = ERROR_FUNCTION_FAILED;
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TRACE("Starting service %s %ld params\n", debugstr_w(name), num);
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handle = OpenSCManagerW(NULL, NULL, SC_MANAGER_CONNECT);
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if (!handle)
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return r;
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hsvc = OpenServiceW(handle, name, SERVICE_START);
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if (hsvc)
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{
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if(StartServiceW(hsvc, num, params))
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r = ERROR_SUCCESS;
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else
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r = GetLastError();
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if (r == ERROR_SERVICE_ALREADY_RUNNING)
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r = ERROR_SUCCESS;
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CloseServiceHandle(hsvc);
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}
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else
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r = GetLastError();
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CloseServiceHandle(handle);
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TRACE("StartService returned error %lu (%s)\n", r, (r == ERROR_SUCCESS) ? "ok":"failed");
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return r;
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}
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/*
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* create_local_service() - start a COM server in a service
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*
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* To start a Local Service, we read the AppID value under
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* the class's CLSID key, then open the HKCR\\AppId key specified
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* there and check for a LocalService value.
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*
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* Note: Local Services are not supported under Windows 9x
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*/
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static HRESULT create_local_service(REFCLSID rclsid)
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{
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HRESULT hr;
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WCHAR buf[CHARS_IN_GUID];
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HKEY hkey;
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LONG r;
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DWORD type, sz;
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TRACE("Attempting to start Local service for %s\n", debugstr_guid(rclsid));
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hr = open_appidkey_from_clsid(rclsid, KEY_READ, &hkey);
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if (FAILED(hr))
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return hr;
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/* read the LocalService and ServiceParameters values from the AppID key */
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sz = sizeof buf;
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r = RegQueryValueExW(hkey, L"LocalService", NULL, &type, (LPBYTE)buf, &sz);
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if (r == ERROR_SUCCESS && type == REG_SZ)
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{
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DWORD num_args = 0;
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LPWSTR args[1] = { NULL };
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/*
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* FIXME: I'm not really sure how to deal with the service parameters.
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* I suspect that the string returned from RegQueryValueExW
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* should be split into a number of arguments by spaces.
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* It would make more sense if ServiceParams contained a
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* REG_MULTI_SZ here, but it's a REG_SZ for the services
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* that I'm interested in for the moment.
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*/
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r = RegQueryValueExW(hkey, L"ServiceParams", NULL, &type, NULL, &sz);
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if (r == ERROR_SUCCESS && type == REG_SZ && sz)
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{
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args[0] = calloc(1, sz);
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num_args++;
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RegQueryValueExW(hkey, L"ServiceParams", NULL, &type, (LPBYTE)args[0], &sz);
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}
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r = start_local_service(buf, num_args, (LPCWSTR *)args);
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if (r != ERROR_SUCCESS)
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hr = REGDB_E_CLASSNOTREG; /* FIXME: check retval */
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free(args[0]);
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}
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else
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{
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WARN("No LocalService value\n");
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hr = REGDB_E_CLASSNOTREG; /* FIXME: check retval */
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}
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RegCloseKey(hkey);
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return hr;
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}
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|
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static HRESULT create_server(REFCLSID rclsid, HANDLE *process)
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|
{
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|
static const WCHAR embeddingW[] = L" -Embedding";
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HKEY key;
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|
HRESULT hr;
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WCHAR command[MAX_PATH + ARRAY_SIZE(embeddingW)];
|
|
DWORD size = (MAX_PATH+1) * sizeof(WCHAR);
|
|
STARTUPINFOW sinfo;
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PROCESS_INFORMATION pinfo;
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LONG ret;
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hr = open_key_for_clsid(rclsid, L"LocalServer32", KEY_READ, &key);
|
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if (FAILED(hr))
|
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{
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ERR("class %s not registered\n", debugstr_guid(rclsid));
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return hr;
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}
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|
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ret = RegQueryValueExW(key, NULL, NULL, NULL, (LPBYTE)command, &size);
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RegCloseKey(key);
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if (ret)
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{
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WARN("No default value for LocalServer32 key\n");
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return REGDB_E_CLASSNOTREG; /* FIXME: check retval */
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}
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|
|
memset(&sinfo, 0, sizeof(sinfo));
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sinfo.cb = sizeof(sinfo);
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|
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/* EXE servers are started with the -Embedding switch. */
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|
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lstrcatW(command, embeddingW);
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|
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TRACE("activating local server %s for %s\n", debugstr_w(command), debugstr_guid(rclsid));
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|
|
/* FIXME: Win2003 supports a ServerExecutable value that is passed into
|
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* CreateProcess */
|
|
if (!CreateProcessW(NULL, command, NULL, NULL, FALSE, DETACHED_PROCESS, NULL, NULL, &sinfo, &pinfo))
|
|
{
|
|
WARN("failed to run local server %s\n", debugstr_w(command));
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return HRESULT_FROM_WIN32(GetLastError());
|
|
}
|
|
*process = pinfo.hProcess;
|
|
CloseHandle(pinfo.hThread);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT create_surrogate_server(REFCLSID rclsid, HANDLE *process)
|
|
{
|
|
static const WCHAR processidW[] = L" /PROCESSID:";
|
|
HKEY key;
|
|
int arch = (sizeof(void *) > sizeof(int)) ? 64 : 32;
|
|
REGSAM opposite = (arch == 64) ? KEY_WOW64_32KEY : KEY_WOW64_64KEY;
|
|
BOOL is_wow64 = FALSE;
|
|
HRESULT hr;
|
|
WCHAR command[MAX_PATH + ARRAY_SIZE(processidW) + CHARS_IN_GUID];
|
|
DWORD size;
|
|
STARTUPINFOW si;
|
|
PROCESS_INFORMATION pi;
|
|
LONG ret;
|
|
|
|
TRACE("Attempting to start surrogate server for %s\n", debugstr_guid(rclsid));
|
|
|
|
hr = open_key_for_clsid(rclsid, NULL, KEY_READ, &key);
|
|
if (FAILED(hr) && (arch == 64 || (IsWow64Process(GetCurrentProcess(), &is_wow64) && is_wow64)))
|
|
hr = open_key_for_clsid(rclsid, NULL, opposite | KEY_READ, &key);
|
|
if (FAILED(hr)) return hr;
|
|
RegCloseKey(key);
|
|
|
|
hr = open_appidkey_from_clsid(rclsid, KEY_READ, &key);
|
|
if (FAILED(hr) && (arch == 64 || (IsWow64Process(GetCurrentProcess(), &is_wow64) && is_wow64)))
|
|
{
|
|
hr = open_appidkey_from_clsid(rclsid, opposite | KEY_READ, &key);
|
|
if (FAILED(hr)) return hr;
|
|
}
|
|
|
|
size = (MAX_PATH + 1) * sizeof(WCHAR);
|
|
ret = RegQueryValueExW(key, L"DllSurrogate", NULL, NULL, (LPBYTE)command, &size);
|
|
RegCloseKey(key);
|
|
if (ret || !size || !command[0])
|
|
{
|
|
TRACE("No value for DllSurrogate key\n");
|
|
|
|
if ((sizeof(void *) == 8 || is_wow64) && opposite == KEY_WOW64_32KEY)
|
|
GetSystemWow64DirectoryW(command, MAX_PATH - ARRAY_SIZE(L"\\dllhost.exe"));
|
|
else
|
|
GetSystemDirectoryW(command, MAX_PATH - ARRAY_SIZE(L"\\dllhost.exe"));
|
|
|
|
wcscat(command, L"\\dllhost.exe");
|
|
}
|
|
|
|
/* Surrogate EXE servers are started with the /PROCESSID:{GUID} switch. */
|
|
wcscat(command, processidW);
|
|
StringFromGUID2(rclsid, command + wcslen(command), CHARS_IN_GUID);
|
|
|
|
memset(&si, 0, sizeof(si));
|
|
si.cb = sizeof(si);
|
|
|
|
TRACE("Activating surrogate local server %s\n", debugstr_w(command));
|
|
|
|
if (is_wow64 && arch == 64)
|
|
{
|
|
void *cookie;
|
|
Wow64DisableWow64FsRedirection(&cookie);
|
|
if (!CreateProcessW(NULL, command, NULL, NULL, FALSE, DETACHED_PROCESS, NULL, NULL, &si, &pi))
|
|
{
|
|
WARN("failed to run surrogate local server %s\n", debugstr_w(command));
|
|
hr = HRESULT_FROM_WIN32(GetLastError());
|
|
}
|
|
Wow64RevertWow64FsRedirection(cookie);
|
|
}
|
|
else if (!CreateProcessW(NULL, command, NULL, NULL, FALSE, DETACHED_PROCESS, NULL, NULL, &si, &pi))
|
|
{
|
|
WARN("failed to run surrogate local server %s\n", debugstr_w(command));
|
|
hr = HRESULT_FROM_WIN32(GetLastError());
|
|
}
|
|
|
|
if (FAILED(hr)) return hr;
|
|
|
|
*process = pi.hProcess;
|
|
CloseHandle(pi.hThread);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT rpc_get_local_class_object(REFCLSID rclsid, REFIID riid, void **obj)
|
|
{
|
|
PMInterfacePointer objref = NULL;
|
|
IServiceProvider *local_server;
|
|
IStream *stream = NULL;
|
|
ULARGE_INTEGER newpos;
|
|
LARGE_INTEGER seekto;
|
|
int tries = 0;
|
|
ULONG length;
|
|
HRESULT hr;
|
|
static const int MAXTRIES = 30; /* 30 seconds */
|
|
|
|
TRACE("clsid %s, riid %s\n", debugstr_guid(rclsid), debugstr_guid(riid));
|
|
|
|
while (tries++ < MAXTRIES)
|
|
{
|
|
DWORD index, start_ticks;
|
|
HANDLE process = 0;
|
|
|
|
if (SUCCEEDED(hr = rpcss_get_class_object(rclsid, &objref)))
|
|
break;
|
|
|
|
if (tries == 1)
|
|
{
|
|
if ((hr = create_local_service(rclsid)) && (hr = create_server(rclsid, &process)) &&
|
|
(hr = create_surrogate_server(rclsid, &process)) )
|
|
return hr;
|
|
}
|
|
|
|
/* Wait for one second, even if messages arrive. */
|
|
start_ticks = GetTickCount();
|
|
do
|
|
{
|
|
if (SUCCEEDED(CoWaitForMultipleHandles(0, 1000, (process != 0), &process, &index)) && process && !index)
|
|
{
|
|
WARN("Server for %s failed to start.\n", debugstr_guid(rclsid));
|
|
CloseHandle(process);
|
|
return E_NOINTERFACE;
|
|
}
|
|
} while (GetTickCount() - start_ticks < 1000);
|
|
|
|
if (process) CloseHandle(process);
|
|
}
|
|
|
|
if (!objref || tries >= MAXTRIES)
|
|
return E_NOINTERFACE;
|
|
|
|
if (SUCCEEDED(hr = CreateStreamOnHGlobal(0, TRUE, &stream)))
|
|
hr = IStream_Write(stream, objref->abData, objref->ulCntData, &length);
|
|
|
|
MIDL_user_free(objref);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
seekto.QuadPart = 0;
|
|
IStream_Seek(stream, seekto, STREAM_SEEK_SET, &newpos);
|
|
|
|
TRACE("Unmarshalling local server.\n");
|
|
hr = CoUnmarshalInterface(stream, &IID_IServiceProvider, (void **)&local_server);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = IServiceProvider_QueryService(local_server, rclsid, riid, obj);
|
|
IServiceProvider_Release(local_server);
|
|
}
|
|
}
|
|
|
|
if (stream)
|
|
IStream_Release(stream);
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT rpc_register_local_server(REFCLSID clsid, IStream *stream, DWORD flags, unsigned int *cookie)
|
|
{
|
|
MInterfacePointer *obj;
|
|
const void *ptr;
|
|
HGLOBAL hmem;
|
|
SIZE_T size;
|
|
HRESULT hr;
|
|
|
|
TRACE("%s, %#lx\n", debugstr_guid(clsid), flags);
|
|
|
|
hr = GetHGlobalFromStream(stream, &hmem);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
size = GlobalSize(hmem);
|
|
if (!(obj = malloc(FIELD_OFFSET(MInterfacePointer, abData[size]))))
|
|
return E_OUTOFMEMORY;
|
|
obj->ulCntData = size;
|
|
ptr = GlobalLock(hmem);
|
|
memcpy(obj->abData, ptr, size);
|
|
GlobalUnlock(hmem);
|
|
|
|
hr = rpcss_server_register(clsid, flags, obj, cookie);
|
|
|
|
free(obj);
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT unmarshal_ORPCTHAT(RPC_MESSAGE *msg, ORPCTHAT *orpcthat, ORPC_EXTENT_ARRAY *orpc_ext_array,
|
|
WIRE_ORPC_EXTENT **first_wire_orpc_extent);
|
|
|
|
/* Channel Hook Functions */
|
|
|
|
static ULONG ChannelHooks_ClientGetSize(SChannelHookCallInfo *info, struct channel_hook_buffer_data **data,
|
|
unsigned int *hook_count, ULONG *extension_count)
|
|
{
|
|
struct channel_hook_entry *entry;
|
|
ULONG total_size = 0;
|
|
unsigned int hook_index = 0;
|
|
|
|
*hook_count = 0;
|
|
*extension_count = 0;
|
|
|
|
EnterCriticalSection(&csChannelHook);
|
|
|
|
LIST_FOR_EACH_ENTRY(entry, &channel_hooks, struct channel_hook_entry, entry)
|
|
(*hook_count)++;
|
|
|
|
if (*hook_count)
|
|
*data = malloc(*hook_count * sizeof(struct channel_hook_buffer_data));
|
|
else
|
|
*data = NULL;
|
|
|
|
LIST_FOR_EACH_ENTRY(entry, &channel_hooks, struct channel_hook_entry, entry)
|
|
{
|
|
ULONG extension_size = 0;
|
|
|
|
IChannelHook_ClientGetSize(entry->hook, &entry->id, &info->iid, &extension_size);
|
|
|
|
TRACE("%s: extension_size = %lu\n", debugstr_guid(&entry->id), extension_size);
|
|
|
|
extension_size = (extension_size+7)&~7;
|
|
(*data)[hook_index].id = entry->id;
|
|
(*data)[hook_index].extension_size = extension_size;
|
|
|
|
/* an extension is only put onto the wire if it has data to write */
|
|
if (extension_size)
|
|
{
|
|
total_size += FIELD_OFFSET(WIRE_ORPC_EXTENT, data[extension_size]);
|
|
(*extension_count)++;
|
|
}
|
|
|
|
hook_index++;
|
|
}
|
|
|
|
LeaveCriticalSection(&csChannelHook);
|
|
|
|
return total_size;
|
|
}
|
|
|
|
static unsigned char * ChannelHooks_ClientFillBuffer(SChannelHookCallInfo *info,
|
|
unsigned char *buffer, struct channel_hook_buffer_data *data,
|
|
unsigned int hook_count)
|
|
{
|
|
struct channel_hook_entry *entry;
|
|
|
|
EnterCriticalSection(&csChannelHook);
|
|
|
|
LIST_FOR_EACH_ENTRY(entry, &channel_hooks, struct channel_hook_entry, entry)
|
|
{
|
|
unsigned int i;
|
|
ULONG extension_size = 0;
|
|
WIRE_ORPC_EXTENT *wire_orpc_extent = (WIRE_ORPC_EXTENT *)buffer;
|
|
|
|
for (i = 0; i < hook_count; i++)
|
|
if (IsEqualGUID(&entry->id, &data[i].id))
|
|
extension_size = data[i].extension_size;
|
|
|
|
/* an extension is only put onto the wire if it has data to write */
|
|
if (!extension_size)
|
|
continue;
|
|
|
|
IChannelHook_ClientFillBuffer(entry->hook, &entry->id, &info->iid,
|
|
&extension_size, buffer + FIELD_OFFSET(WIRE_ORPC_EXTENT, data[0]));
|
|
|
|
TRACE("%s: extension_size = %lu\n", debugstr_guid(&entry->id), extension_size);
|
|
|
|
/* FIXME: set unused portion of wire_orpc_extent->data to 0? */
|
|
|
|
wire_orpc_extent->conformance = (extension_size+7)&~7;
|
|
wire_orpc_extent->size = extension_size;
|
|
wire_orpc_extent->id = entry->id;
|
|
buffer += FIELD_OFFSET(WIRE_ORPC_EXTENT, data[wire_orpc_extent->conformance]);
|
|
}
|
|
|
|
LeaveCriticalSection(&csChannelHook);
|
|
|
|
return buffer;
|
|
}
|
|
|
|
static void ChannelHooks_ServerNotify(SChannelHookCallInfo *info,
|
|
DWORD lDataRep, WIRE_ORPC_EXTENT *first_wire_orpc_extent,
|
|
ULONG extension_count)
|
|
{
|
|
struct channel_hook_entry *entry;
|
|
ULONG i;
|
|
|
|
EnterCriticalSection(&csChannelHook);
|
|
|
|
LIST_FOR_EACH_ENTRY(entry, &channel_hooks, struct channel_hook_entry, entry)
|
|
{
|
|
WIRE_ORPC_EXTENT *wire_orpc_extent;
|
|
for (i = 0, wire_orpc_extent = first_wire_orpc_extent;
|
|
i < extension_count;
|
|
i++, wire_orpc_extent = (WIRE_ORPC_EXTENT *)&wire_orpc_extent->data[wire_orpc_extent->conformance])
|
|
{
|
|
if (IsEqualGUID(&entry->id, &wire_orpc_extent->id))
|
|
break;
|
|
}
|
|
if (i == extension_count) wire_orpc_extent = NULL;
|
|
|
|
IChannelHook_ServerNotify(entry->hook, &entry->id, &info->iid,
|
|
wire_orpc_extent ? wire_orpc_extent->size : 0,
|
|
wire_orpc_extent ? wire_orpc_extent->data : NULL,
|
|
lDataRep);
|
|
}
|
|
|
|
LeaveCriticalSection(&csChannelHook);
|
|
}
|
|
|
|
static ULONG ChannelHooks_ServerGetSize(SChannelHookCallInfo *info,
|
|
struct channel_hook_buffer_data **data, unsigned int *hook_count,
|
|
ULONG *extension_count)
|
|
{
|
|
struct channel_hook_entry *entry;
|
|
ULONG total_size = 0;
|
|
unsigned int hook_index = 0;
|
|
|
|
*hook_count = 0;
|
|
*extension_count = 0;
|
|
|
|
EnterCriticalSection(&csChannelHook);
|
|
|
|
LIST_FOR_EACH_ENTRY(entry, &channel_hooks, struct channel_hook_entry, entry)
|
|
(*hook_count)++;
|
|
|
|
if (*hook_count)
|
|
*data = malloc(*hook_count * sizeof(struct channel_hook_buffer_data));
|
|
else
|
|
*data = NULL;
|
|
|
|
LIST_FOR_EACH_ENTRY(entry, &channel_hooks, struct channel_hook_entry, entry)
|
|
{
|
|
ULONG extension_size = 0;
|
|
|
|
IChannelHook_ServerGetSize(entry->hook, &entry->id, &info->iid, S_OK,
|
|
&extension_size);
|
|
|
|
TRACE("%s: extension_size = %lu\n", debugstr_guid(&entry->id), extension_size);
|
|
|
|
extension_size = (extension_size+7)&~7;
|
|
(*data)[hook_index].id = entry->id;
|
|
(*data)[hook_index].extension_size = extension_size;
|
|
|
|
/* an extension is only put onto the wire if it has data to write */
|
|
if (extension_size)
|
|
{
|
|
total_size += FIELD_OFFSET(WIRE_ORPC_EXTENT, data[extension_size]);
|
|
(*extension_count)++;
|
|
}
|
|
|
|
hook_index++;
|
|
}
|
|
|
|
LeaveCriticalSection(&csChannelHook);
|
|
|
|
return total_size;
|
|
}
|
|
|
|
static unsigned char * ChannelHooks_ServerFillBuffer(SChannelHookCallInfo *info,
|
|
unsigned char *buffer, struct channel_hook_buffer_data *data,
|
|
unsigned int hook_count)
|
|
{
|
|
struct channel_hook_entry *entry;
|
|
|
|
EnterCriticalSection(&csChannelHook);
|
|
|
|
LIST_FOR_EACH_ENTRY(entry, &channel_hooks, struct channel_hook_entry, entry)
|
|
{
|
|
unsigned int i;
|
|
ULONG extension_size = 0;
|
|
WIRE_ORPC_EXTENT *wire_orpc_extent = (WIRE_ORPC_EXTENT *)buffer;
|
|
|
|
for (i = 0; i < hook_count; i++)
|
|
if (IsEqualGUID(&entry->id, &data[i].id))
|
|
extension_size = data[i].extension_size;
|
|
|
|
/* an extension is only put onto the wire if it has data to write */
|
|
if (!extension_size)
|
|
continue;
|
|
|
|
IChannelHook_ServerFillBuffer(entry->hook, &entry->id, &info->iid,
|
|
&extension_size, buffer + FIELD_OFFSET(WIRE_ORPC_EXTENT, data[0]),
|
|
S_OK);
|
|
|
|
TRACE("%s: extension_size = %lu\n", debugstr_guid(&entry->id), extension_size);
|
|
|
|
/* FIXME: set unused portion of wire_orpc_extent->data to 0? */
|
|
|
|
wire_orpc_extent->conformance = (extension_size+7)&~7;
|
|
wire_orpc_extent->size = extension_size;
|
|
wire_orpc_extent->id = entry->id;
|
|
buffer += FIELD_OFFSET(WIRE_ORPC_EXTENT, data[wire_orpc_extent->conformance]);
|
|
}
|
|
|
|
LeaveCriticalSection(&csChannelHook);
|
|
|
|
return buffer;
|
|
}
|
|
|
|
static void ChannelHooks_ClientNotify(SChannelHookCallInfo *info,
|
|
DWORD lDataRep, WIRE_ORPC_EXTENT *first_wire_orpc_extent,
|
|
ULONG extension_count, HRESULT hrFault)
|
|
{
|
|
struct channel_hook_entry *entry;
|
|
ULONG i;
|
|
|
|
EnterCriticalSection(&csChannelHook);
|
|
|
|
LIST_FOR_EACH_ENTRY(entry, &channel_hooks, struct channel_hook_entry, entry)
|
|
{
|
|
WIRE_ORPC_EXTENT *wire_orpc_extent;
|
|
for (i = 0, wire_orpc_extent = first_wire_orpc_extent;
|
|
i < extension_count;
|
|
i++, wire_orpc_extent = (WIRE_ORPC_EXTENT *)&wire_orpc_extent->data[wire_orpc_extent->conformance])
|
|
{
|
|
if (IsEqualGUID(&entry->id, &wire_orpc_extent->id))
|
|
break;
|
|
}
|
|
if (i == extension_count) wire_orpc_extent = NULL;
|
|
|
|
IChannelHook_ClientNotify(entry->hook, &entry->id, &info->iid,
|
|
wire_orpc_extent ? wire_orpc_extent->size : 0,
|
|
wire_orpc_extent ? wire_orpc_extent->data : NULL,
|
|
lDataRep, hrFault);
|
|
}
|
|
|
|
LeaveCriticalSection(&csChannelHook);
|
|
}
|
|
|
|
HRESULT rpc_register_channel_hook(REFGUID rguid, IChannelHook *hook)
|
|
{
|
|
struct channel_hook_entry *entry;
|
|
|
|
entry = malloc(sizeof(*entry));
|
|
if (!entry)
|
|
return E_OUTOFMEMORY;
|
|
|
|
entry->id = *rguid;
|
|
entry->hook = hook;
|
|
IChannelHook_AddRef(hook);
|
|
|
|
EnterCriticalSection(&csChannelHook);
|
|
list_add_tail(&channel_hooks, &entry->entry);
|
|
LeaveCriticalSection(&csChannelHook);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
void rpc_unregister_channel_hooks(void)
|
|
{
|
|
struct channel_hook_entry *cursor;
|
|
struct channel_hook_entry *cursor2;
|
|
|
|
EnterCriticalSection(&csChannelHook);
|
|
LIST_FOR_EACH_ENTRY_SAFE(cursor, cursor2, &channel_hooks, struct channel_hook_entry, entry)
|
|
free(cursor);
|
|
LeaveCriticalSection(&csChannelHook);
|
|
DeleteCriticalSection(&csChannelHook);
|
|
DeleteCriticalSection(&csRegIf);
|
|
}
|
|
|
|
/* RPC Channel Buffer Functions */
|
|
|
|
static HRESULT WINAPI RpcChannelBuffer_QueryInterface(IRpcChannelBuffer *iface, REFIID riid, LPVOID *ppv)
|
|
{
|
|
*ppv = NULL;
|
|
if (IsEqualIID(riid,&IID_IRpcChannelBuffer) || IsEqualIID(riid,&IID_IUnknown))
|
|
{
|
|
*ppv = iface;
|
|
IRpcChannelBuffer_AddRef(iface);
|
|
return S_OK;
|
|
}
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
static ULONG WINAPI RpcChannelBuffer_AddRef(LPRPCCHANNELBUFFER iface)
|
|
{
|
|
RpcChannelBuffer *This = (RpcChannelBuffer *)iface;
|
|
return InterlockedIncrement(&This->refs);
|
|
}
|
|
|
|
static ULONG WINAPI ServerRpcChannelBuffer_Release(LPRPCCHANNELBUFFER iface)
|
|
{
|
|
RpcChannelBuffer *This = (RpcChannelBuffer *)iface;
|
|
ULONG ref;
|
|
|
|
ref = InterlockedDecrement(&This->refs);
|
|
if (ref)
|
|
return ref;
|
|
|
|
free(This);
|
|
return 0;
|
|
}
|
|
|
|
static ULONG WINAPI ClientRpcChannelBuffer_Release(LPRPCCHANNELBUFFER iface)
|
|
{
|
|
ClientRpcChannelBuffer *This = (ClientRpcChannelBuffer *)iface;
|
|
ULONG ref;
|
|
|
|
ref = InterlockedDecrement(&This->super.refs);
|
|
if (ref)
|
|
return ref;
|
|
|
|
if (This->event) CloseHandle(This->event);
|
|
RpcBindingFree(&This->bind);
|
|
free(This);
|
|
return 0;
|
|
}
|
|
|
|
static HRESULT WINAPI ServerRpcChannelBuffer_GetBuffer(LPRPCCHANNELBUFFER iface, RPCOLEMESSAGE* olemsg, REFIID riid)
|
|
{
|
|
RpcChannelBuffer *This = (RpcChannelBuffer *)iface;
|
|
RPC_MESSAGE *msg = (RPC_MESSAGE *)olemsg;
|
|
RPC_STATUS status;
|
|
ORPCTHAT *orpcthat;
|
|
struct message_state *message_state;
|
|
ULONG extensions_size;
|
|
struct channel_hook_buffer_data *channel_hook_data;
|
|
unsigned int channel_hook_count;
|
|
ULONG extension_count;
|
|
|
|
TRACE("(%p)->(%p,%s)\n", This, olemsg, debugstr_guid(riid));
|
|
|
|
message_state = msg->Handle;
|
|
/* restore the binding handle and the real start of data */
|
|
msg->Handle = message_state->binding_handle;
|
|
msg->Buffer = (char *)msg->Buffer - message_state->prefix_data_len;
|
|
|
|
extensions_size = ChannelHooks_ServerGetSize(&message_state->channel_hook_info,
|
|
&channel_hook_data, &channel_hook_count, &extension_count);
|
|
|
|
msg->BufferLength += FIELD_OFFSET(WIRE_ORPCTHAT, extensions) + sizeof(DWORD);
|
|
if (extensions_size)
|
|
{
|
|
msg->BufferLength += FIELD_OFFSET(WIRE_ORPC_EXTENT_ARRAY, extent[2*sizeof(DWORD) + extensions_size]);
|
|
if (extension_count & 1)
|
|
msg->BufferLength += FIELD_OFFSET(WIRE_ORPC_EXTENT, data[0]);
|
|
}
|
|
|
|
if (message_state->bypass_rpcrt)
|
|
{
|
|
msg->Buffer = malloc(msg->BufferLength);
|
|
if (msg->Buffer)
|
|
status = RPC_S_OK;
|
|
else
|
|
{
|
|
free(channel_hook_data);
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
}
|
|
else
|
|
status = I_RpcGetBuffer(msg);
|
|
|
|
orpcthat = msg->Buffer;
|
|
msg->Buffer = (char *)msg->Buffer + FIELD_OFFSET(WIRE_ORPCTHAT, extensions);
|
|
|
|
orpcthat->flags = ORPCF_NULL /* FIXME? */;
|
|
|
|
/* NDR representation of orpcthat->extensions */
|
|
*(DWORD *)msg->Buffer = extensions_size ? 1 : 0;
|
|
msg->Buffer = (char *)msg->Buffer + sizeof(DWORD);
|
|
|
|
if (extensions_size)
|
|
{
|
|
WIRE_ORPC_EXTENT_ARRAY *orpc_extent_array = msg->Buffer;
|
|
orpc_extent_array->size = extension_count;
|
|
orpc_extent_array->reserved = 0;
|
|
msg->Buffer = (char *)msg->Buffer + FIELD_OFFSET(WIRE_ORPC_EXTENT_ARRAY, extent);
|
|
/* NDR representation of orpc_extent_array->extent */
|
|
*(DWORD *)msg->Buffer = 1;
|
|
msg->Buffer = (char *)msg->Buffer + sizeof(DWORD);
|
|
/* NDR representation of [size_is] attribute of orpc_extent_array->extent */
|
|
*(DWORD *)msg->Buffer = (extension_count + 1) & ~1;
|
|
msg->Buffer = (char *)msg->Buffer + sizeof(DWORD);
|
|
|
|
msg->Buffer = ChannelHooks_ServerFillBuffer(&message_state->channel_hook_info,
|
|
msg->Buffer, channel_hook_data, channel_hook_count);
|
|
|
|
/* we must add a dummy extension if there is an odd extension
|
|
* count to meet the contract specified by the size_is attribute */
|
|
if (extension_count & 1)
|
|
{
|
|
WIRE_ORPC_EXTENT *wire_orpc_extent = msg->Buffer;
|
|
wire_orpc_extent->conformance = 0;
|
|
wire_orpc_extent->id = GUID_NULL;
|
|
wire_orpc_extent->size = 0;
|
|
msg->Buffer = (char *)msg->Buffer + FIELD_OFFSET(WIRE_ORPC_EXTENT, data[0]);
|
|
}
|
|
}
|
|
|
|
free(channel_hook_data);
|
|
|
|
/* store the prefixed data length so that we can restore the real buffer
|
|
* later */
|
|
message_state->prefix_data_len = (char *)msg->Buffer - (char *)orpcthat;
|
|
msg->BufferLength -= message_state->prefix_data_len;
|
|
/* save away the message state again */
|
|
msg->Handle = message_state;
|
|
|
|
TRACE("-- %ld\n", status);
|
|
|
|
return HRESULT_FROM_WIN32(status);
|
|
}
|
|
|
|
static HANDLE ClientRpcChannelBuffer_GetEventHandle(ClientRpcChannelBuffer *This)
|
|
{
|
|
HANDLE event = InterlockedExchangePointer(&This->event, NULL);
|
|
|
|
/* Note: must be auto-reset event so we can reuse it without a call
|
|
* to ResetEvent */
|
|
if (!event) event = CreateEventW(NULL, FALSE, FALSE, NULL);
|
|
|
|
return event;
|
|
}
|
|
|
|
static void ClientRpcChannelBuffer_ReleaseEventHandle(ClientRpcChannelBuffer *This, HANDLE event)
|
|
{
|
|
if (InterlockedCompareExchangePointer(&This->event, event, NULL))
|
|
/* already a handle cached in This */
|
|
CloseHandle(event);
|
|
}
|
|
|
|
static HRESULT WINAPI ClientRpcChannelBuffer_GetBuffer(LPRPCCHANNELBUFFER iface, RPCOLEMESSAGE* olemsg, REFIID riid)
|
|
{
|
|
ClientRpcChannelBuffer *This = (ClientRpcChannelBuffer *)iface;
|
|
RPC_MESSAGE *msg = (RPC_MESSAGE *)olemsg;
|
|
RPC_CLIENT_INTERFACE *cif;
|
|
RPC_STATUS status;
|
|
ORPCTHIS *orpcthis;
|
|
struct message_state *message_state;
|
|
ULONG extensions_size;
|
|
struct channel_hook_buffer_data *channel_hook_data;
|
|
unsigned int channel_hook_count;
|
|
ULONG extension_count;
|
|
IPID ipid;
|
|
HRESULT hr;
|
|
struct apartment *apt = NULL;
|
|
|
|
TRACE("(%p)->(%p,%s)\n", This, olemsg, debugstr_guid(riid));
|
|
|
|
cif = calloc(1, sizeof(RPC_CLIENT_INTERFACE));
|
|
if (!cif)
|
|
return E_OUTOFMEMORY;
|
|
|
|
message_state = malloc(sizeof(*message_state));
|
|
if (!message_state)
|
|
{
|
|
free(cif);
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
|
|
cif->Length = sizeof(RPC_CLIENT_INTERFACE);
|
|
/* RPC interface ID = COM interface ID */
|
|
cif->InterfaceId.SyntaxGUID = This->iid;
|
|
/* COM objects always have a version of 0.0 */
|
|
cif->InterfaceId.SyntaxVersion.MajorVersion = 0;
|
|
cif->InterfaceId.SyntaxVersion.MinorVersion = 0;
|
|
msg->Handle = This->bind;
|
|
msg->RpcInterfaceInformation = cif;
|
|
|
|
message_state->prefix_data_len = 0;
|
|
message_state->binding_handle = This->bind;
|
|
|
|
message_state->channel_hook_info.iid = *riid;
|
|
message_state->channel_hook_info.cbSize = sizeof(message_state->channel_hook_info);
|
|
CoGetCurrentLogicalThreadId(&message_state->channel_hook_info.uCausality);
|
|
message_state->channel_hook_info.dwServerPid = This->server_pid;
|
|
message_state->channel_hook_info.iMethod = msg->ProcNum & ~RPC_FLAGS_VALID_BIT;
|
|
message_state->channel_hook_info.pObject = NULL; /* only present on server-side */
|
|
message_state->target_hwnd = NULL;
|
|
message_state->target_tid = 0;
|
|
memset(&message_state->params, 0, sizeof(message_state->params));
|
|
|
|
extensions_size = ChannelHooks_ClientGetSize(&message_state->channel_hook_info,
|
|
&channel_hook_data, &channel_hook_count, &extension_count);
|
|
|
|
msg->BufferLength += FIELD_OFFSET(WIRE_ORPCTHIS, extensions) + sizeof(DWORD);
|
|
if (extensions_size)
|
|
{
|
|
msg->BufferLength += FIELD_OFFSET(WIRE_ORPC_EXTENT_ARRAY, extent[2*sizeof(DWORD) + extensions_size]);
|
|
if (extension_count & 1)
|
|
msg->BufferLength += FIELD_OFFSET(WIRE_ORPC_EXTENT, data[0]);
|
|
}
|
|
|
|
RpcBindingInqObject(message_state->binding_handle, &ipid);
|
|
hr = ipid_get_dispatch_params(&ipid, &apt, NULL, &message_state->params.stub,
|
|
&message_state->params.chan,
|
|
&message_state->params.iid,
|
|
&message_state->params.iface);
|
|
if (hr == S_OK)
|
|
{
|
|
/* stub, chan, iface and iid are unneeded in multi-threaded case as we go
|
|
* via the RPC runtime */
|
|
if (apt->multi_threaded)
|
|
{
|
|
IRpcStubBuffer_Release(message_state->params.stub);
|
|
message_state->params.stub = NULL;
|
|
IRpcChannelBuffer_Release(message_state->params.chan);
|
|
message_state->params.chan = NULL;
|
|
message_state->params.iface = NULL;
|
|
}
|
|
else
|
|
{
|
|
message_state->params.bypass_rpcrt = TRUE;
|
|
message_state->target_hwnd = apartment_getwindow(apt);
|
|
message_state->target_tid = apt->tid;
|
|
/* we assume later on that this being non-NULL is the indicator that
|
|
* means call directly instead of going through RPC runtime */
|
|
if (!message_state->target_hwnd)
|
|
ERR("window for apartment %s is NULL\n", wine_dbgstr_longlong(apt->oxid));
|
|
}
|
|
}
|
|
if (apt) apartment_release(apt);
|
|
message_state->params.handle = ClientRpcChannelBuffer_GetEventHandle(This);
|
|
/* Note: message_state->params.msg is initialised in
|
|
* ClientRpcChannelBuffer_SendReceive */
|
|
|
|
/* shortcut the RPC runtime */
|
|
if (message_state->target_hwnd)
|
|
{
|
|
msg->Buffer = malloc(msg->BufferLength);
|
|
if (msg->Buffer)
|
|
status = RPC_S_OK;
|
|
else
|
|
status = ERROR_OUTOFMEMORY;
|
|
}
|
|
else
|
|
status = I_RpcGetBuffer(msg);
|
|
|
|
msg->Handle = message_state;
|
|
|
|
if (status == RPC_S_OK)
|
|
{
|
|
orpcthis = msg->Buffer;
|
|
msg->Buffer = (char *)msg->Buffer + FIELD_OFFSET(WIRE_ORPCTHIS, extensions);
|
|
|
|
orpcthis->version.MajorVersion = COM_MAJOR_VERSION;
|
|
orpcthis->version.MinorVersion = COM_MINOR_VERSION;
|
|
orpcthis->flags = message_state->channel_hook_info.dwServerPid ? ORPCF_LOCAL : ORPCF_NULL;
|
|
orpcthis->reserved1 = 0;
|
|
orpcthis->cid = message_state->channel_hook_info.uCausality;
|
|
|
|
/* NDR representation of orpcthis->extensions */
|
|
*(DWORD *)msg->Buffer = extensions_size ? 1 : 0;
|
|
msg->Buffer = (char *)msg->Buffer + sizeof(DWORD);
|
|
|
|
if (extensions_size)
|
|
{
|
|
ORPC_EXTENT_ARRAY *orpc_extent_array = msg->Buffer;
|
|
orpc_extent_array->size = extension_count;
|
|
orpc_extent_array->reserved = 0;
|
|
msg->Buffer = (char *)msg->Buffer + FIELD_OFFSET(WIRE_ORPC_EXTENT_ARRAY, extent);
|
|
/* NDR representation of orpc_extent_array->extent */
|
|
*(DWORD *)msg->Buffer = 1;
|
|
msg->Buffer = (char *)msg->Buffer + sizeof(DWORD);
|
|
/* NDR representation of [size_is] attribute of orpc_extent_array->extent */
|
|
*(DWORD *)msg->Buffer = (extension_count + 1) & ~1;
|
|
msg->Buffer = (char *)msg->Buffer + sizeof(DWORD);
|
|
|
|
msg->Buffer = ChannelHooks_ClientFillBuffer(&message_state->channel_hook_info,
|
|
msg->Buffer, channel_hook_data, channel_hook_count);
|
|
|
|
/* we must add a dummy extension if there is an odd extension
|
|
* count to meet the contract specified by the size_is attribute */
|
|
if (extension_count & 1)
|
|
{
|
|
WIRE_ORPC_EXTENT *wire_orpc_extent = msg->Buffer;
|
|
wire_orpc_extent->conformance = 0;
|
|
wire_orpc_extent->id = GUID_NULL;
|
|
wire_orpc_extent->size = 0;
|
|
msg->Buffer = (char *)msg->Buffer + FIELD_OFFSET(WIRE_ORPC_EXTENT, data[0]);
|
|
}
|
|
}
|
|
|
|
/* store the prefixed data length so that we can restore the real buffer
|
|
* pointer in ClientRpcChannelBuffer_SendReceive. */
|
|
message_state->prefix_data_len = (char *)msg->Buffer - (char *)orpcthis;
|
|
msg->BufferLength -= message_state->prefix_data_len;
|
|
}
|
|
|
|
free(channel_hook_data);
|
|
|
|
TRACE("-- %ld\n", status);
|
|
|
|
return HRESULT_FROM_WIN32(status);
|
|
}
|
|
|
|
static HRESULT WINAPI ServerRpcChannelBuffer_SendReceive(LPRPCCHANNELBUFFER iface, RPCOLEMESSAGE *olemsg, ULONG *pstatus)
|
|
{
|
|
FIXME("stub\n");
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
/* this thread runs an outgoing RPC */
|
|
static DWORD WINAPI rpc_sendreceive_thread(LPVOID param)
|
|
{
|
|
struct dispatch_params *data = param;
|
|
|
|
/* Note: I_RpcSendReceive doesn't raise exceptions like the higher-level
|
|
* RPC functions do */
|
|
data->status = I_RpcSendReceive((RPC_MESSAGE *)data->msg);
|
|
|
|
TRACE("completed with status %#lx\n", data->status);
|
|
|
|
SetEvent(data->handle);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline HRESULT ClientRpcChannelBuffer_IsCorrectApartment(ClientRpcChannelBuffer *This, const struct apartment *apt)
|
|
{
|
|
if (!apt)
|
|
return S_FALSE;
|
|
if (This->oxid != apartment_getoxid(apt))
|
|
return S_FALSE;
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI ClientRpcChannelBuffer_SendReceive(LPRPCCHANNELBUFFER iface, RPCOLEMESSAGE *olemsg, ULONG *pstatus)
|
|
{
|
|
ClientRpcChannelBuffer *This = (ClientRpcChannelBuffer *)iface;
|
|
HRESULT hr;
|
|
RPC_MESSAGE *msg = (RPC_MESSAGE *)olemsg;
|
|
RPC_STATUS status;
|
|
DWORD index;
|
|
struct message_state *message_state;
|
|
ORPCTHAT orpcthat;
|
|
ORPC_EXTENT_ARRAY orpc_ext_array;
|
|
WIRE_ORPC_EXTENT *first_wire_orpc_extent = NULL;
|
|
HRESULT hrFault = S_OK;
|
|
struct apartment *apt = apartment_get_current_or_mta();
|
|
struct tlsdata *tlsdata;
|
|
|
|
TRACE("%p, iMethod %ld\n", olemsg, olemsg->iMethod);
|
|
|
|
hr = ClientRpcChannelBuffer_IsCorrectApartment(This, apt);
|
|
if (hr != S_OK)
|
|
{
|
|
ERR("called from wrong apartment, should have been 0x%s\n",
|
|
wine_dbgstr_longlong(This->oxid));
|
|
if (apt) apartment_release(apt);
|
|
return RPC_E_WRONG_THREAD;
|
|
}
|
|
|
|
if (FAILED(hr = com_get_tlsdata(&tlsdata)))
|
|
return hr;
|
|
|
|
/* This situation should be impossible in multi-threaded apartments,
|
|
* because the calling thread isn't re-enterable.
|
|
* Note: doing a COM call during the processing of a sent message is
|
|
* only disallowed if a client call is already being waited for
|
|
* completion */
|
|
if (!apt->multi_threaded &&
|
|
tlsdata->pending_call_count_client &&
|
|
InSendMessage())
|
|
{
|
|
ERR("can't make an outgoing COM call in response to a sent message\n");
|
|
apartment_release(apt);
|
|
return RPC_E_CANTCALLOUT_ININPUTSYNCCALL;
|
|
}
|
|
|
|
message_state = msg->Handle;
|
|
/* restore the binding handle and the real start of data */
|
|
msg->Handle = message_state->binding_handle;
|
|
msg->Buffer = (char *)msg->Buffer - message_state->prefix_data_len;
|
|
msg->BufferLength += message_state->prefix_data_len;
|
|
|
|
/* Note: this is an optimization in the Microsoft OLE runtime that we need
|
|
* to copy, as shown by the test_no_couninitialize_client test. without
|
|
* short-circuiting the RPC runtime in the case below, the test will
|
|
* deadlock on the loader lock due to the RPC runtime needing to create
|
|
* a thread to process the RPC when this function is called indirectly
|
|
* from DllMain */
|
|
|
|
message_state->params.msg = olemsg;
|
|
if (message_state->params.bypass_rpcrt)
|
|
{
|
|
TRACE("Calling apartment thread %#lx...\n", message_state->target_tid);
|
|
|
|
msg->ProcNum &= ~RPC_FLAGS_VALID_BIT;
|
|
|
|
if (!PostMessageW(message_state->target_hwnd, DM_EXECUTERPC, 0,
|
|
(LPARAM)&message_state->params))
|
|
{
|
|
ERR("PostMessage failed with error %lu\n", GetLastError());
|
|
|
|
/* Note: message_state->params.iface doesn't have a reference and
|
|
* so doesn't need to be released */
|
|
|
|
hr = HRESULT_FROM_WIN32(GetLastError());
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* we use a separate thread here because we need to be able to
|
|
* pump the message loop in the application thread: if we do not,
|
|
* any windows created by this thread will hang and RPCs that try
|
|
* and re-enter this STA from an incoming server thread will
|
|
* deadlock. InstallShield is an example of that.
|
|
*/
|
|
if (!QueueUserWorkItem(rpc_sendreceive_thread, &message_state->params, WT_EXECUTEDEFAULT))
|
|
{
|
|
ERR("QueueUserWorkItem failed with error %lu\n", GetLastError());
|
|
hr = E_UNEXPECTED;
|
|
}
|
|
else
|
|
hr = S_OK;
|
|
}
|
|
|
|
if (hr == S_OK)
|
|
{
|
|
if (WaitForSingleObject(message_state->params.handle, 0))
|
|
{
|
|
tlsdata->pending_call_count_client++;
|
|
hr = CoWaitForMultipleHandles(0, INFINITE, 1, &message_state->params.handle, &index);
|
|
tlsdata->pending_call_count_client--;
|
|
}
|
|
}
|
|
ClientRpcChannelBuffer_ReleaseEventHandle(This, message_state->params.handle);
|
|
|
|
/* for WM shortcut, faults are returned in params->hr */
|
|
if (hr == S_OK)
|
|
hrFault = message_state->params.hr;
|
|
|
|
status = message_state->params.status;
|
|
|
|
orpcthat.flags = ORPCF_NULL;
|
|
orpcthat.extensions = NULL;
|
|
|
|
TRACE("RPC call status: %#lx\n", status);
|
|
if (status != RPC_S_OK)
|
|
hr = HRESULT_FROM_WIN32(status);
|
|
|
|
TRACE("hrFault = %#lx\n", hrFault);
|
|
|
|
/* FIXME: this condition should be
|
|
* "hr == S_OK && (!hrFault || msg->BufferLength > FIELD_OFFSET(ORPCTHAT, extensions) + 4)"
|
|
* but we don't currently reset the message length for PostMessage
|
|
* dispatched calls */
|
|
if (hr == S_OK && hrFault == S_OK)
|
|
{
|
|
HRESULT hr2;
|
|
char *original_buffer = msg->Buffer;
|
|
|
|
/* handle ORPCTHAT and client extensions */
|
|
|
|
hr2 = unmarshal_ORPCTHAT(msg, &orpcthat, &orpc_ext_array, &first_wire_orpc_extent);
|
|
if (FAILED(hr2))
|
|
hr = hr2;
|
|
|
|
message_state->prefix_data_len = (char *)msg->Buffer - original_buffer;
|
|
msg->BufferLength -= message_state->prefix_data_len;
|
|
}
|
|
else
|
|
message_state->prefix_data_len = 0;
|
|
|
|
if (hr == S_OK)
|
|
{
|
|
ChannelHooks_ClientNotify(&message_state->channel_hook_info,
|
|
msg->DataRepresentation,
|
|
first_wire_orpc_extent,
|
|
orpcthat.extensions && first_wire_orpc_extent ? orpcthat.extensions->size : 0,
|
|
hrFault);
|
|
}
|
|
|
|
/* save away the message state again */
|
|
msg->Handle = message_state;
|
|
|
|
if (pstatus) *pstatus = status;
|
|
|
|
if (hr == S_OK)
|
|
hr = hrFault;
|
|
|
|
TRACE("-- %#lx\n", hr);
|
|
|
|
apartment_release(apt);
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI ServerRpcChannelBuffer_FreeBuffer(LPRPCCHANNELBUFFER iface, RPCOLEMESSAGE* olemsg)
|
|
{
|
|
RPC_MESSAGE *msg = (RPC_MESSAGE *)olemsg;
|
|
RPC_STATUS status;
|
|
struct message_state *message_state;
|
|
|
|
TRACE("(%p)\n", msg);
|
|
|
|
message_state = msg->Handle;
|
|
/* restore the binding handle and the real start of data */
|
|
msg->Handle = message_state->binding_handle;
|
|
msg->Buffer = (char *)msg->Buffer - message_state->prefix_data_len;
|
|
msg->BufferLength += message_state->prefix_data_len;
|
|
message_state->prefix_data_len = 0;
|
|
|
|
if (message_state->bypass_rpcrt)
|
|
{
|
|
free(msg->Buffer);
|
|
status = RPC_S_OK;
|
|
}
|
|
else
|
|
status = I_RpcFreeBuffer(msg);
|
|
|
|
msg->Handle = message_state;
|
|
|
|
TRACE("-- %ld\n", status);
|
|
|
|
return HRESULT_FROM_WIN32(status);
|
|
}
|
|
|
|
static HRESULT WINAPI ClientRpcChannelBuffer_FreeBuffer(LPRPCCHANNELBUFFER iface, RPCOLEMESSAGE* olemsg)
|
|
{
|
|
RPC_MESSAGE *msg = (RPC_MESSAGE *)olemsg;
|
|
RPC_STATUS status;
|
|
struct message_state *message_state;
|
|
|
|
TRACE("(%p)\n", msg);
|
|
|
|
message_state = msg->Handle;
|
|
/* restore the binding handle and the real start of data */
|
|
msg->Handle = message_state->binding_handle;
|
|
msg->Buffer = (char *)msg->Buffer - message_state->prefix_data_len;
|
|
msg->BufferLength += message_state->prefix_data_len;
|
|
|
|
if (message_state->params.bypass_rpcrt)
|
|
{
|
|
free(msg->Buffer);
|
|
status = RPC_S_OK;
|
|
}
|
|
else
|
|
status = I_RpcFreeBuffer(msg);
|
|
|
|
free(msg->RpcInterfaceInformation);
|
|
msg->RpcInterfaceInformation = NULL;
|
|
|
|
if (message_state->params.stub)
|
|
IRpcStubBuffer_Release(message_state->params.stub);
|
|
if (message_state->params.chan)
|
|
IRpcChannelBuffer_Release(message_state->params.chan);
|
|
free(message_state);
|
|
|
|
TRACE("-- %ld\n", status);
|
|
|
|
return HRESULT_FROM_WIN32(status);
|
|
}
|
|
|
|
static HRESULT WINAPI ClientRpcChannelBuffer_GetDestCtx(LPRPCCHANNELBUFFER iface, DWORD* pdwDestContext, void** ppvDestContext)
|
|
{
|
|
ClientRpcChannelBuffer *This = (ClientRpcChannelBuffer *)iface;
|
|
|
|
TRACE("(%p,%p)\n", pdwDestContext, ppvDestContext);
|
|
|
|
*pdwDestContext = This->super.dest_context;
|
|
*ppvDestContext = This->super.dest_context_data;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI ServerRpcChannelBuffer_GetDestCtx(LPRPCCHANNELBUFFER iface, DWORD* dest_context, void** dest_context_data)
|
|
{
|
|
RpcChannelBuffer *This = (RpcChannelBuffer *)iface;
|
|
|
|
TRACE("(%p,%p)\n", dest_context, dest_context_data);
|
|
|
|
*dest_context = This->dest_context;
|
|
*dest_context_data = This->dest_context_data;
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI RpcChannelBuffer_IsConnected(LPRPCCHANNELBUFFER iface)
|
|
{
|
|
TRACE("()\n");
|
|
/* native does nothing too */
|
|
return S_OK;
|
|
}
|
|
|
|
static const IRpcChannelBufferVtbl ClientRpcChannelBufferVtbl =
|
|
{
|
|
RpcChannelBuffer_QueryInterface,
|
|
RpcChannelBuffer_AddRef,
|
|
ClientRpcChannelBuffer_Release,
|
|
ClientRpcChannelBuffer_GetBuffer,
|
|
ClientRpcChannelBuffer_SendReceive,
|
|
ClientRpcChannelBuffer_FreeBuffer,
|
|
ClientRpcChannelBuffer_GetDestCtx,
|
|
RpcChannelBuffer_IsConnected
|
|
};
|
|
|
|
static const IRpcChannelBufferVtbl ServerRpcChannelBufferVtbl =
|
|
{
|
|
RpcChannelBuffer_QueryInterface,
|
|
RpcChannelBuffer_AddRef,
|
|
ServerRpcChannelBuffer_Release,
|
|
ServerRpcChannelBuffer_GetBuffer,
|
|
ServerRpcChannelBuffer_SendReceive,
|
|
ServerRpcChannelBuffer_FreeBuffer,
|
|
ServerRpcChannelBuffer_GetDestCtx,
|
|
RpcChannelBuffer_IsConnected
|
|
};
|
|
|
|
/* returns a channel buffer for proxies */
|
|
HRESULT rpc_create_clientchannel(const OXID *oxid, const IPID *ipid,
|
|
const OXID_INFO *oxid_info, const IID *iid,
|
|
DWORD dest_context, void *dest_context_data,
|
|
IRpcChannelBuffer **chan, struct apartment *apt)
|
|
{
|
|
ClientRpcChannelBuffer *This;
|
|
WCHAR endpoint[200];
|
|
RPC_BINDING_HANDLE bind;
|
|
RPC_STATUS status;
|
|
LPWSTR string_binding;
|
|
|
|
/* FIXME: get the endpoint from oxid_info->psa instead */
|
|
get_rpc_endpoint(endpoint, oxid);
|
|
|
|
TRACE("proxy pipe: connecting to endpoint: %s\n", debugstr_w(endpoint));
|
|
|
|
status = RpcStringBindingComposeW(
|
|
NULL,
|
|
rpctransportW,
|
|
NULL,
|
|
endpoint,
|
|
NULL,
|
|
&string_binding);
|
|
|
|
if (status == RPC_S_OK)
|
|
{
|
|
status = RpcBindingFromStringBindingW(string_binding, &bind);
|
|
|
|
if (status == RPC_S_OK)
|
|
{
|
|
IPID ipid2 = *ipid; /* why can't RpcBindingSetObject take a const? */
|
|
status = RpcBindingSetObject(bind, &ipid2);
|
|
if (status != RPC_S_OK)
|
|
RpcBindingFree(&bind);
|
|
}
|
|
|
|
RpcStringFreeW(&string_binding);
|
|
}
|
|
|
|
if (status != RPC_S_OK)
|
|
{
|
|
ERR("Couldn't get binding for endpoint %s, status = %ld\n", debugstr_w(endpoint), status);
|
|
return HRESULT_FROM_WIN32(status);
|
|
}
|
|
|
|
This = malloc(sizeof(*This));
|
|
if (!This)
|
|
{
|
|
RpcBindingFree(&bind);
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
|
|
This->super.IRpcChannelBuffer_iface.lpVtbl = &ClientRpcChannelBufferVtbl;
|
|
This->super.refs = 1;
|
|
This->super.dest_context = dest_context;
|
|
This->super.dest_context_data = dest_context_data;
|
|
This->bind = bind;
|
|
This->oxid = apartment_getoxid(apt);
|
|
This->server_pid = oxid_info->dwPid;
|
|
This->event = NULL;
|
|
This->iid = *iid;
|
|
|
|
*chan = &This->super.IRpcChannelBuffer_iface;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT rpc_create_serverchannel(DWORD dest_context, void *dest_context_data, IRpcChannelBuffer **chan)
|
|
{
|
|
RpcChannelBuffer *This = malloc(sizeof(*This));
|
|
if (!This)
|
|
return E_OUTOFMEMORY;
|
|
|
|
This->IRpcChannelBuffer_iface.lpVtbl = &ServerRpcChannelBufferVtbl;
|
|
This->refs = 1;
|
|
This->dest_context = dest_context;
|
|
This->dest_context_data = dest_context_data;
|
|
|
|
*chan = &This->IRpcChannelBuffer_iface;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
/* unmarshals ORPC_EXTENT_ARRAY according to NDR rules, but doesn't allocate
|
|
* any memory */
|
|
static HRESULT unmarshal_ORPC_EXTENT_ARRAY(RPC_MESSAGE *msg, const char *end,
|
|
ORPC_EXTENT_ARRAY *extensions,
|
|
WIRE_ORPC_EXTENT **first_wire_orpc_extent)
|
|
{
|
|
DWORD pointer_id;
|
|
DWORD i;
|
|
|
|
memcpy(extensions, msg->Buffer, FIELD_OFFSET(WIRE_ORPC_EXTENT_ARRAY, extent));
|
|
msg->Buffer = (char *)msg->Buffer + FIELD_OFFSET(WIRE_ORPC_EXTENT_ARRAY, extent);
|
|
|
|
if ((const char *)msg->Buffer + 2 * sizeof(DWORD) > end)
|
|
return RPC_E_INVALID_HEADER;
|
|
|
|
pointer_id = *(DWORD *)msg->Buffer;
|
|
msg->Buffer = (char *)msg->Buffer + sizeof(DWORD);
|
|
extensions->extent = NULL;
|
|
|
|
if (pointer_id)
|
|
{
|
|
WIRE_ORPC_EXTENT *wire_orpc_extent;
|
|
|
|
/* conformance */
|
|
if (*(DWORD *)msg->Buffer != ((extensions->size+1)&~1))
|
|
return RPC_S_INVALID_BOUND;
|
|
|
|
msg->Buffer = (char *)msg->Buffer + sizeof(DWORD);
|
|
|
|
/* arbitrary limit for security (don't know what native does) */
|
|
if (extensions->size > 256)
|
|
{
|
|
ERR("too many extensions: %ld\n", extensions->size);
|
|
return RPC_S_INVALID_BOUND;
|
|
}
|
|
|
|
*first_wire_orpc_extent = wire_orpc_extent = msg->Buffer;
|
|
for (i = 0; i < ((extensions->size+1)&~1); i++)
|
|
{
|
|
if ((const char *)&wire_orpc_extent->data[0] > end)
|
|
return RPC_S_INVALID_BOUND;
|
|
if (wire_orpc_extent->conformance != ((wire_orpc_extent->size+7)&~7))
|
|
return RPC_S_INVALID_BOUND;
|
|
if ((const char *)&wire_orpc_extent->data[wire_orpc_extent->conformance] > end)
|
|
return RPC_S_INVALID_BOUND;
|
|
TRACE("size %lu, guid %s\n", wire_orpc_extent->size, debugstr_guid(&wire_orpc_extent->id));
|
|
wire_orpc_extent = (WIRE_ORPC_EXTENT *)&wire_orpc_extent->data[wire_orpc_extent->conformance];
|
|
}
|
|
msg->Buffer = wire_orpc_extent;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
/* unmarshals ORPCTHIS according to NDR rules, but doesn't allocate any memory */
|
|
static HRESULT unmarshal_ORPCTHIS(RPC_MESSAGE *msg, ORPCTHIS *orpcthis,
|
|
ORPC_EXTENT_ARRAY *orpc_ext_array, WIRE_ORPC_EXTENT **first_wire_orpc_extent)
|
|
{
|
|
const char *end = (char *)msg->Buffer + msg->BufferLength;
|
|
|
|
*first_wire_orpc_extent = NULL;
|
|
|
|
if (msg->BufferLength < FIELD_OFFSET(WIRE_ORPCTHIS, extensions) + sizeof(DWORD))
|
|
{
|
|
ERR("invalid buffer length\n");
|
|
return RPC_E_INVALID_HEADER;
|
|
}
|
|
|
|
memcpy(orpcthis, msg->Buffer, FIELD_OFFSET(WIRE_ORPCTHIS, extensions));
|
|
msg->Buffer = (char *)msg->Buffer + FIELD_OFFSET(WIRE_ORPCTHIS, extensions);
|
|
|
|
if ((const char *)msg->Buffer + sizeof(DWORD) > end)
|
|
return RPC_E_INVALID_HEADER;
|
|
|
|
if (*(DWORD *)msg->Buffer)
|
|
orpcthis->extensions = orpc_ext_array;
|
|
else
|
|
orpcthis->extensions = NULL;
|
|
|
|
msg->Buffer = (char *)msg->Buffer + sizeof(DWORD);
|
|
|
|
if (orpcthis->extensions)
|
|
{
|
|
HRESULT hr = unmarshal_ORPC_EXTENT_ARRAY(msg, end, orpc_ext_array,
|
|
first_wire_orpc_extent);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
}
|
|
|
|
if ((orpcthis->version.MajorVersion != COM_MAJOR_VERSION) ||
|
|
(orpcthis->version.MinorVersion > COM_MINOR_VERSION))
|
|
{
|
|
ERR("COM version {%d, %d} not supported\n",
|
|
orpcthis->version.MajorVersion, orpcthis->version.MinorVersion);
|
|
return RPC_E_VERSION_MISMATCH;
|
|
}
|
|
|
|
if (orpcthis->flags & ~(ORPCF_LOCAL|ORPCF_RESERVED1|ORPCF_RESERVED2|ORPCF_RESERVED3|ORPCF_RESERVED4))
|
|
{
|
|
ERR("invalid flags %#lx\n", orpcthis->flags & ~(ORPCF_LOCAL|ORPCF_RESERVED1|ORPCF_RESERVED2|ORPCF_RESERVED3|ORPCF_RESERVED4));
|
|
return RPC_E_INVALID_HEADER;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT unmarshal_ORPCTHAT(RPC_MESSAGE *msg, ORPCTHAT *orpcthat,
|
|
ORPC_EXTENT_ARRAY *orpc_ext_array, WIRE_ORPC_EXTENT **first_wire_orpc_extent)
|
|
{
|
|
const char *end = (char *)msg->Buffer + msg->BufferLength;
|
|
|
|
*first_wire_orpc_extent = NULL;
|
|
|
|
if (msg->BufferLength < FIELD_OFFSET(WIRE_ORPCTHAT, extensions) + sizeof(DWORD))
|
|
{
|
|
ERR("invalid buffer length\n");
|
|
return RPC_E_INVALID_HEADER;
|
|
}
|
|
|
|
memcpy(orpcthat, msg->Buffer, FIELD_OFFSET(WIRE_ORPCTHAT, extensions));
|
|
msg->Buffer = (char *)msg->Buffer + FIELD_OFFSET(WIRE_ORPCTHAT, extensions);
|
|
|
|
if ((const char *)msg->Buffer + sizeof(DWORD) > end)
|
|
return RPC_E_INVALID_HEADER;
|
|
|
|
if (*(DWORD *)msg->Buffer)
|
|
orpcthat->extensions = orpc_ext_array;
|
|
else
|
|
orpcthat->extensions = NULL;
|
|
|
|
msg->Buffer = (char *)msg->Buffer + sizeof(DWORD);
|
|
|
|
if (orpcthat->extensions)
|
|
{
|
|
HRESULT hr = unmarshal_ORPC_EXTENT_ARRAY(msg, end, orpc_ext_array,
|
|
first_wire_orpc_extent);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
}
|
|
|
|
if (orpcthat->flags & ~(ORPCF_LOCAL|ORPCF_RESERVED1|ORPCF_RESERVED2|ORPCF_RESERVED3|ORPCF_RESERVED4))
|
|
{
|
|
ERR("invalid flags %#lx\n", orpcthat->flags & ~(ORPCF_LOCAL|ORPCF_RESERVED1|ORPCF_RESERVED2|ORPCF_RESERVED3|ORPCF_RESERVED4));
|
|
return RPC_E_INVALID_HEADER;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
void rpc_execute_call(struct dispatch_params *params)
|
|
{
|
|
struct message_state *message_state = NULL;
|
|
RPC_MESSAGE *msg = (RPC_MESSAGE *)params->msg;
|
|
char *original_buffer = msg->Buffer;
|
|
ORPCTHIS orpcthis;
|
|
ORPC_EXTENT_ARRAY orpc_ext_array;
|
|
WIRE_ORPC_EXTENT *first_wire_orpc_extent;
|
|
GUID old_causality_id;
|
|
struct tlsdata *tlsdata;
|
|
struct apartment *apt;
|
|
|
|
if (FAILED(com_get_tlsdata(&tlsdata)))
|
|
return;
|
|
|
|
apt = com_get_current_apt();
|
|
|
|
/* handle ORPCTHIS and server extensions */
|
|
|
|
params->hr = unmarshal_ORPCTHIS(msg, &orpcthis, &orpc_ext_array, &first_wire_orpc_extent);
|
|
if (params->hr != S_OK)
|
|
{
|
|
msg->Buffer = original_buffer;
|
|
goto exit;
|
|
}
|
|
|
|
message_state = malloc(sizeof(*message_state));
|
|
if (!message_state)
|
|
{
|
|
params->hr = E_OUTOFMEMORY;
|
|
msg->Buffer = original_buffer;
|
|
goto exit;
|
|
}
|
|
|
|
message_state->prefix_data_len = (char *)msg->Buffer - original_buffer;
|
|
message_state->binding_handle = msg->Handle;
|
|
message_state->bypass_rpcrt = params->bypass_rpcrt;
|
|
|
|
message_state->channel_hook_info.iid = params->iid;
|
|
message_state->channel_hook_info.cbSize = sizeof(message_state->channel_hook_info);
|
|
message_state->channel_hook_info.uCausality = orpcthis.cid;
|
|
message_state->channel_hook_info.dwServerPid = GetCurrentProcessId();
|
|
message_state->channel_hook_info.iMethod = msg->ProcNum;
|
|
message_state->channel_hook_info.pObject = params->iface;
|
|
|
|
if (orpcthis.extensions && first_wire_orpc_extent &&
|
|
orpcthis.extensions->size)
|
|
ChannelHooks_ServerNotify(&message_state->channel_hook_info, msg->DataRepresentation, first_wire_orpc_extent, orpcthis.extensions->size);
|
|
|
|
msg->Handle = message_state;
|
|
msg->BufferLength -= message_state->prefix_data_len;
|
|
|
|
/* call message filter */
|
|
|
|
if (apt->filter)
|
|
{
|
|
DWORD handlecall;
|
|
INTERFACEINFO interface_info;
|
|
CALLTYPE calltype;
|
|
|
|
interface_info.pUnk = params->iface;
|
|
interface_info.iid = params->iid;
|
|
interface_info.wMethod = msg->ProcNum;
|
|
|
|
if (IsEqualGUID(&orpcthis.cid, &tlsdata->causality_id))
|
|
calltype = CALLTYPE_NESTED;
|
|
else if (tlsdata->pending_call_count_server == 0)
|
|
calltype = CALLTYPE_TOPLEVEL;
|
|
else
|
|
calltype = CALLTYPE_TOPLEVEL_CALLPENDING;
|
|
|
|
handlecall = IMessageFilter_HandleInComingCall(apt->filter,
|
|
calltype,
|
|
UlongToHandle(GetCurrentProcessId()),
|
|
0 /* FIXME */,
|
|
&interface_info);
|
|
TRACE("IMessageFilter_HandleInComingCall returned %ld\n", handlecall);
|
|
switch (handlecall)
|
|
{
|
|
case SERVERCALL_REJECTED:
|
|
params->hr = RPC_E_CALL_REJECTED;
|
|
goto exit_reset_state;
|
|
case SERVERCALL_RETRYLATER:
|
|
#if 0 /* FIXME: handle retries on the client side before enabling this code */
|
|
params->hr = RPC_E_RETRY;
|
|
goto exit_reset_state;
|
|
#else
|
|
FIXME("retry call later not implemented\n");
|
|
break;
|
|
#endif
|
|
case SERVERCALL_ISHANDLED:
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* invoke the method */
|
|
|
|
/* save the old causality ID - note: any calls executed while processing
|
|
* messages received during the SendReceive will appear to originate from
|
|
* this call - this should be checked with what Windows does */
|
|
old_causality_id = tlsdata->causality_id;
|
|
tlsdata->causality_id = orpcthis.cid;
|
|
tlsdata->pending_call_count_server++;
|
|
params->hr = IRpcStubBuffer_Invoke(params->stub, params->msg, params->chan);
|
|
tlsdata->pending_call_count_server--;
|
|
tlsdata->causality_id = old_causality_id;
|
|
|
|
/* the invoke allocated a new buffer, so free the old one */
|
|
if (message_state->bypass_rpcrt && original_buffer != msg->Buffer)
|
|
free(original_buffer);
|
|
|
|
exit_reset_state:
|
|
message_state = msg->Handle;
|
|
msg->Handle = message_state->binding_handle;
|
|
msg->Buffer = (char *)msg->Buffer - message_state->prefix_data_len;
|
|
msg->BufferLength += message_state->prefix_data_len;
|
|
|
|
exit:
|
|
free(message_state);
|
|
if (params->handle) SetEvent(params->handle);
|
|
}
|
|
|
|
static void __RPC_STUB dispatch_rpc(RPC_MESSAGE *msg)
|
|
{
|
|
struct dispatch_params *params;
|
|
struct stub_manager *stub_manager;
|
|
struct apartment *apt;
|
|
IPID ipid;
|
|
HRESULT hr;
|
|
|
|
RpcBindingInqObject(msg->Handle, &ipid);
|
|
|
|
TRACE("ipid = %s, iMethod = %d\n", debugstr_guid(&ipid), msg->ProcNum);
|
|
|
|
params = malloc(sizeof(*params));
|
|
if (!params)
|
|
{
|
|
RpcRaiseException(E_OUTOFMEMORY);
|
|
return;
|
|
}
|
|
|
|
hr = ipid_get_dispatch_params(&ipid, &apt, &stub_manager, ¶ms->stub, ¶ms->chan,
|
|
¶ms->iid, ¶ms->iface);
|
|
if (hr != S_OK)
|
|
{
|
|
ERR("no apartment found for ipid %s\n", debugstr_guid(&ipid));
|
|
free(params);
|
|
RpcRaiseException(hr);
|
|
return;
|
|
}
|
|
|
|
params->msg = (RPCOLEMESSAGE *)msg;
|
|
params->status = RPC_S_OK;
|
|
params->hr = S_OK;
|
|
params->handle = NULL;
|
|
params->bypass_rpcrt = FALSE;
|
|
|
|
/* Note: this is the important difference between STAs and MTAs - we
|
|
* always execute RPCs to STAs in the thread that originally created the
|
|
* apartment (i.e. the one that pumps messages to the window) */
|
|
if (!apt->multi_threaded)
|
|
{
|
|
params->handle = CreateEventW(NULL, FALSE, FALSE, NULL);
|
|
|
|
TRACE("Calling apartment thread %#lx...\n", apt->tid);
|
|
|
|
if (PostMessageW(apartment_getwindow(apt), DM_EXECUTERPC, 0, (LPARAM)params))
|
|
WaitForSingleObject(params->handle, INFINITE);
|
|
else
|
|
{
|
|
ERR("PostMessage failed with error %lu\n", GetLastError());
|
|
IRpcChannelBuffer_Release(params->chan);
|
|
IRpcStubBuffer_Release(params->stub);
|
|
}
|
|
CloseHandle(params->handle);
|
|
}
|
|
else
|
|
{
|
|
BOOL joined = FALSE;
|
|
struct tlsdata *tlsdata;
|
|
|
|
com_get_tlsdata(&tlsdata);
|
|
|
|
if (!tlsdata->apt)
|
|
{
|
|
enter_apartment(tlsdata, COINIT_MULTITHREADED);
|
|
joined = TRUE;
|
|
}
|
|
rpc_execute_call(params);
|
|
if (joined)
|
|
{
|
|
leave_apartment(tlsdata);
|
|
}
|
|
}
|
|
|
|
hr = params->hr;
|
|
if (params->chan)
|
|
IRpcChannelBuffer_Release(params->chan);
|
|
if (params->stub)
|
|
IRpcStubBuffer_Release(params->stub);
|
|
free(params);
|
|
|
|
stub_manager_int_release(stub_manager);
|
|
apartment_release(apt);
|
|
|
|
/* if IRpcStubBuffer_Invoke fails, we should raise an exception to tell
|
|
* the RPC runtime that the call failed */
|
|
if (hr != S_OK) RpcRaiseException(hr);
|
|
}
|
|
|
|
/* stub registration */
|
|
HRESULT rpc_register_interface(REFIID riid)
|
|
{
|
|
struct registered_if *rif;
|
|
BOOL found = FALSE;
|
|
HRESULT hr = S_OK;
|
|
|
|
TRACE("(%s)\n", debugstr_guid(riid));
|
|
|
|
EnterCriticalSection(&csRegIf);
|
|
LIST_FOR_EACH_ENTRY(rif, ®istered_interfaces, struct registered_if, entry)
|
|
{
|
|
if (IsEqualGUID(&rif->If.InterfaceId.SyntaxGUID, riid))
|
|
{
|
|
rif->refs++;
|
|
found = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
if (!found)
|
|
{
|
|
TRACE("Creating new interface\n");
|
|
|
|
rif = calloc(1, sizeof(*rif));
|
|
if (rif)
|
|
{
|
|
RPC_STATUS status;
|
|
|
|
rif->refs = 1;
|
|
rif->If.Length = sizeof(RPC_SERVER_INTERFACE);
|
|
/* RPC interface ID = COM interface ID */
|
|
rif->If.InterfaceId.SyntaxGUID = *riid;
|
|
rif->If.DispatchTable = &rpc_dispatch;
|
|
/* all other fields are 0, including the version asCOM objects
|
|
* always have a version of 0.0 */
|
|
status = RpcServerRegisterIfEx(
|
|
(RPC_IF_HANDLE)&rif->If,
|
|
NULL, NULL,
|
|
RPC_IF_OLE | RPC_IF_AUTOLISTEN,
|
|
RPC_C_LISTEN_MAX_CALLS_DEFAULT,
|
|
NULL);
|
|
if (status == RPC_S_OK)
|
|
list_add_tail(®istered_interfaces, &rif->entry);
|
|
else
|
|
{
|
|
ERR("RpcServerRegisterIfEx failed with error %ld\n", status);
|
|
free(rif);
|
|
hr = HRESULT_FROM_WIN32(status);
|
|
}
|
|
}
|
|
else
|
|
hr = E_OUTOFMEMORY;
|
|
}
|
|
LeaveCriticalSection(&csRegIf);
|
|
return hr;
|
|
}
|
|
|
|
/* stub unregistration */
|
|
void rpc_unregister_interface(REFIID riid, BOOL wait)
|
|
{
|
|
struct registered_if *rif;
|
|
EnterCriticalSection(&csRegIf);
|
|
LIST_FOR_EACH_ENTRY(rif, ®istered_interfaces, struct registered_if, entry)
|
|
{
|
|
if (IsEqualGUID(&rif->If.InterfaceId.SyntaxGUID, riid))
|
|
{
|
|
if (!--rif->refs)
|
|
{
|
|
RpcServerUnregisterIf((RPC_IF_HANDLE)&rif->If, NULL, wait);
|
|
list_remove(&rif->entry);
|
|
free(rif);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
LeaveCriticalSection(&csRegIf);
|
|
}
|
|
|
|
/* get the info for an OXID, including the IPID for the rem unknown interface
|
|
* and the string binding */
|
|
HRESULT rpc_resolve_oxid(OXID oxid, OXID_INFO *oxid_info)
|
|
{
|
|
TRACE("%s\n", wine_dbgstr_longlong(oxid));
|
|
|
|
oxid_info->dwTid = 0;
|
|
oxid_info->dwPid = 0;
|
|
oxid_info->dwAuthnHint = RPC_C_AUTHN_LEVEL_NONE;
|
|
/* FIXME: this is a hack around not having an OXID resolver yet -
|
|
* this function should contact the machine's OXID resolver and then it
|
|
* should give us the IPID of the IRemUnknown interface */
|
|
oxid_info->ipidRemUnknown.Data1 = 0xffffffff;
|
|
oxid_info->ipidRemUnknown.Data2 = 0xffff;
|
|
oxid_info->ipidRemUnknown.Data3 = 0xffff;
|
|
memcpy(oxid_info->ipidRemUnknown.Data4, &oxid, sizeof(OXID));
|
|
oxid_info->psa = NULL /* FIXME */;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
/* make the apartment reachable by other threads and processes and create the
|
|
* IRemUnknown object */
|
|
void rpc_start_remoting(struct apartment *apt)
|
|
{
|
|
if (!InterlockedExchange(&apt->remoting_started, TRUE))
|
|
{
|
|
WCHAR endpoint[200];
|
|
RPC_STATUS status;
|
|
|
|
get_rpc_endpoint(endpoint, &apt->oxid);
|
|
|
|
status = RpcServerUseProtseqEpW(
|
|
rpctransportW,
|
|
RPC_C_PROTSEQ_MAX_REQS_DEFAULT,
|
|
endpoint,
|
|
NULL);
|
|
if (status != RPC_S_OK)
|
|
ERR("Couldn't register endpoint %s\n", debugstr_w(endpoint));
|
|
|
|
/* FIXME: move remote unknown exporting into this function */
|
|
}
|
|
start_apartment_remote_unknown(apt);
|
|
}
|
|
|
|
/******************************************************************************
|
|
* DllDebugObjectRPCHook (combase.@)
|
|
*/
|
|
BOOL WINAPI DllDebugObjectRPCHook(BOOL trace, /* ORPC_INIT_ARGS * */ void *args)
|
|
{
|
|
FIXME("%d, %p: stub\n", trace, args);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* CoDecodeProxy (combase.@)
|
|
*/
|
|
HRESULT WINAPI CoDecodeProxy(DWORD client_pid, UINT64 proxy_addr, ServerInformation *server_info)
|
|
{
|
|
FIXME("%lx, %s, %p.\n", client_pid, wine_dbgstr_longlong(proxy_addr), server_info);
|
|
return E_NOTIMPL;
|
|
}
|