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wine/dlls/ole32/rpc.c
Zebediah Figura 904d1688a3 ole32: Use the real proxy IID in ClientRpcChannelBuffer_GetBuffer(). 
Delegated proxies pass the IID of the parent interface to
NdrProxyGetBuffer(). However, this interface was never registered with ole32
on the server side, so calls to delegated methods will return
RPC_S_UNKNOWN_IF. Therefore we have ole32 ignore the passed-in parameter and
use the real proxy ID.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=45673
Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2018-09-17 15:37:41 +02:00

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/*
* RPC Manager
*
* Copyright 2001 Ove Kåven, TransGaming Technologies
* Copyright 2002 Marcus Meissner
* Copyright 2005 Mike Hearn, Rob Shearman for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <string.h>
#define COBJMACROS
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "winsvc.h"
#include "objbase.h"
#include "ole2.h"
#include "rpc.h"
#include "winerror.h"
#include "winreg.h"
#include "servprov.h"
#include "wine/unicode.h"
#include "compobj_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(ole);
static void __RPC_STUB dispatch_rpc(RPC_MESSAGE *msg);
/* we only use one function to dispatch calls for all methods - we use the
* RPC_IF_OLE flag to tell the RPC runtime that this is the case */
static RPC_DISPATCH_FUNCTION rpc_dispatch_table[1] = { dispatch_rpc }; /* (RO) */
static RPC_DISPATCH_TABLE rpc_dispatch = { 1, rpc_dispatch_table }; /* (RO) */
static struct list registered_interfaces = LIST_INIT(registered_interfaces); /* (CS csRegIf) */
static CRITICAL_SECTION csRegIf;
static CRITICAL_SECTION_DEBUG csRegIf_debug =
{
0, 0, &csRegIf,
{ &csRegIf_debug.ProcessLocksList, &csRegIf_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": dcom registered server interfaces") }
};
static CRITICAL_SECTION csRegIf = { &csRegIf_debug, -1, 0, 0, 0, 0 };
static struct list channel_hooks = LIST_INIT(channel_hooks); /* (CS csChannelHook) */
static CRITICAL_SECTION csChannelHook;
static CRITICAL_SECTION_DEBUG csChannelHook_debug =
{
0, 0, &csChannelHook,
{ &csChannelHook_debug.ProcessLocksList, &csChannelHook_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": channel hooks") }
};
static CRITICAL_SECTION csChannelHook = { &csChannelHook_debug, -1, 0, 0, 0, 0 };
static WCHAR wszRpcTransport[] = {'n','c','a','l','r','p','c',0};
struct registered_if
{
struct list entry;
DWORD refs; /* ref count */
RPC_SERVER_INTERFACE If; /* interface registered with the RPC runtime */
};
/* get the pipe endpoint specified of the specified apartment */
static inline void get_rpc_endpoint(LPWSTR endpoint, const OXID *oxid)
{
/* FIXME: should get endpoint from rpcss */
static const WCHAR wszEndpointFormat[] = {'\\','p','i','p','e','\\','O','L','E','_','%','0','8','l','x','%','0','8','l','x',0};
wsprintfW(endpoint, wszEndpointFormat, (DWORD)(*oxid >> 32),(DWORD)*oxid);
}
typedef struct
{
IRpcChannelBuffer IRpcChannelBuffer_iface;
LONG refs;
DWORD dest_context; /* returned from GetDestCtx */
void *dest_context_data; /* returned from GetDestCtx */
} RpcChannelBuffer;
typedef struct
{
RpcChannelBuffer super; /* superclass */
RPC_BINDING_HANDLE bind; /* handle to the remote server */
OXID oxid; /* apartment in which the channel is valid */
DWORD server_pid; /* id of server process */
HANDLE event; /* cached event handle */
IID iid; /* IID of the proxy this belongs to */
} ClientRpcChannelBuffer;
struct dispatch_params
{
RPCOLEMESSAGE *msg; /* message */
IRpcStubBuffer *stub; /* stub buffer, if applicable */
IRpcChannelBuffer *chan; /* server channel buffer, if applicable */
IID iid; /* ID of interface being called */
IUnknown *iface; /* interface being called */
HANDLE handle; /* handle that will become signaled when call finishes */
BOOL bypass_rpcrt; /* bypass RPC runtime? */
RPC_STATUS status; /* status (out) */
HRESULT hr; /* hresult (out) */
};
struct message_state
{
RPC_BINDING_HANDLE binding_handle;
ULONG prefix_data_len;
SChannelHookCallInfo channel_hook_info;
BOOL bypass_rpcrt;
/* client only */
HWND target_hwnd;
DWORD target_tid;
struct dispatch_params params;
};
typedef struct
{
ULONG conformance; /* NDR */
GUID id;
ULONG size;
/* [size_is((size+7)&~7)] */ unsigned char data[1];
} WIRE_ORPC_EXTENT;
typedef struct
{
ULONG size;
ULONG reserved;
unsigned char extent[1];
} WIRE_ORPC_EXTENT_ARRAY;
typedef struct
{
ULONG version;
ULONG flags;
ULONG reserved1;
GUID cid;
unsigned char extensions[1];
} WIRE_ORPCTHIS;
typedef struct
{
ULONG flags;
unsigned char extensions[1];
} WIRE_ORPCTHAT;
struct channel_hook_entry
{
struct list entry;
GUID id;
IChannelHook *hook;
};
struct channel_hook_buffer_data
{
GUID id;
ULONG extension_size;
};
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 = HeapAlloc(GetProcessHeap(), 0, *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 = %u\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 = %u\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 = HeapAlloc(GetProcessHeap(), 0, *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 = %u\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 = %u\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_RegisterChannelHook(REFGUID rguid, IChannelHook *hook)
{
struct channel_hook_entry *entry;
TRACE("(%s, %p)\n", debugstr_guid(rguid), hook);
entry = HeapAlloc(GetProcessHeap(), 0, 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_UnregisterAllChannelHooks(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)
HeapFree(GetProcessHeap(), 0, 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;
HeapFree(GetProcessHeap(), 0, 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);
HeapFree(GetProcessHeap(), 0, 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 = HeapAlloc(GetProcessHeap(), 0, msg->BufferLength);
if (msg->Buffer)
status = RPC_S_OK;
else
{
HeapFree(GetProcessHeap(), 0, 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]);
}
}
HeapFree(GetProcessHeap(), 0, 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("-- %d\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;
APARTMENT *apt = NULL;
TRACE("(%p)->(%p,%s)\n", This, olemsg, debugstr_guid(riid));
cif = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(RPC_CLIENT_INTERFACE));
if (!cif)
return E_OUTOFMEMORY;
message_state = HeapAlloc(GetProcessHeap(), 0, sizeof(*message_state));
if (!message_state)
{
HeapFree(GetProcessHeap(), 0, 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);
message_state->channel_hook_info.uCausality = COM_CurrentCausalityId();
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 = HeapAlloc(GetProcessHeap(), 0, 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;
}
HeapFree(GetProcessHeap(), 0, channel_hook_data);
TRACE("-- %d\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 0x%x\n", data->status);
SetEvent(data->handle);
return 0;
}
static inline HRESULT ClientRpcChannelBuffer_IsCorrectApartment(ClientRpcChannelBuffer *This, APARTMENT *apt)
{
OXID oxid;
if (!apt)
return S_FALSE;
if (apartment_getoxid(apt, &oxid) != S_OK)
return S_FALSE;
if (This->oxid != oxid)
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;
APARTMENT *apt = apartment_get_current_or_mta();
TRACE("(%p) iMethod=%d\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;
}
/* 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 &&
COM_CurrentInfo()->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 0x%08x...\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 %u\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 %u\n", GetLastError());
hr = E_UNEXPECTED;
}
else
hr = S_OK;
}
if (hr == S_OK)
{
if (WaitForSingleObject(message_state->params.handle, 0))
{
COM_CurrentInfo()->pending_call_count_client++;
hr = CoWaitForMultipleHandles(0, INFINITE, 1, &message_state->params.handle, &index);
COM_CurrentInfo()->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: 0x%x\n", status);
if (status != RPC_S_OK)
hr = HRESULT_FROM_WIN32(status);
TRACE("hrFault = 0x%08x\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("-- 0x%08x\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)
{
HeapFree(GetProcessHeap(), 0, msg->Buffer);
status = RPC_S_OK;
}
else
status = I_RpcFreeBuffer(msg);
msg->Handle = message_state;
TRACE("-- %d\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)
{
HeapFree(GetProcessHeap(), 0, msg->Buffer);
status = RPC_S_OK;
}
else
status = I_RpcFreeBuffer(msg);
HeapFree(GetProcessHeap(), 0, 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);
HeapFree(GetProcessHeap(), 0, message_state);
TRACE("-- %d\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_CreateClientChannel(const OXID *oxid, const IPID *ipid,
const OXID_INFO *oxid_info, const IID *iid,
DWORD dest_context, void *dest_context_data,
IRpcChannelBuffer **chan, 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,
wszRpcTransport,
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 = %d\n", debugstr_w(endpoint), status);
return HRESULT_FROM_WIN32(status);
}
This = HeapAlloc(GetProcessHeap(), 0, 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;
apartment_getoxid(apt, &This->oxid);
This->server_pid = oxid_info->dwPid;
This->event = NULL;
This->iid = *iid;
*chan = &This->super.IRpcChannelBuffer_iface;
return S_OK;
}
HRESULT RPC_CreateServerChannel(DWORD dest_context, void *dest_context_data, IRpcChannelBuffer **chan)
{
RpcChannelBuffer *This = HeapAlloc(GetProcessHeap(), 0, 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: %d\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 %u, 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 0x%x\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 0x%x\n", orpcthat->flags & ~(ORPCF_LOCAL|ORPCF_RESERVED1|ORPCF_RESERVED2|ORPCF_RESERVED3|ORPCF_RESERVED4));
return RPC_E_INVALID_HEADER;
}
return S_OK;
}
void RPC_ExecuteCall(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;
/* 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 = HeapAlloc(GetProcessHeap(), 0, 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 (COM_CurrentApt()->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, &COM_CurrentInfo()->causality_id))
calltype = CALLTYPE_NESTED;
else if (COM_CurrentInfo()->pending_call_count_server == 0)
calltype = CALLTYPE_TOPLEVEL;
else
calltype = CALLTYPE_TOPLEVEL_CALLPENDING;
handlecall = IMessageFilter_HandleInComingCall(COM_CurrentApt()->filter,
calltype,
UlongToHandle(GetCurrentProcessId()),
0 /* FIXME */,
&interface_info);
TRACE("IMessageFilter_HandleInComingCall returned %d\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 = COM_CurrentInfo()->causality_id;
COM_CurrentInfo()->causality_id = orpcthis.cid;
COM_CurrentInfo()->pending_call_count_server++;
params->hr = IRpcStubBuffer_Invoke(params->stub, params->msg, params->chan);
COM_CurrentInfo()->pending_call_count_server--;
COM_CurrentInfo()->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)
HeapFree(GetProcessHeap(), 0, 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:
HeapFree(GetProcessHeap(), 0, 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;
APARTMENT *apt;
IPID ipid;
HRESULT hr;
RpcBindingInqObject(msg->Handle, &ipid);
TRACE("ipid = %s, iMethod = %d\n", debugstr_guid(&ipid), msg->ProcNum);
params = HeapAlloc(GetProcessHeap(), 0, sizeof(*params));
if (!params)
{
RpcRaiseException(E_OUTOFMEMORY);
return;
}
hr = ipid_get_dispatch_params(&ipid, &apt, &stub_manager, &params->stub, &params->chan,
&params->iid, &params->iface);
if (hr != S_OK)
{
ERR("no apartment found for ipid %s\n", debugstr_guid(&ipid));
HeapFree(GetProcessHeap(), 0, 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 0x%08x...\n", apt->tid);
if (PostMessageW(apartment_getwindow(apt), DM_EXECUTERPC, 0, (LPARAM)params))
WaitForSingleObject(params->handle, INFINITE);
else
{
ERR("PostMessage failed with error %u\n", GetLastError());
IRpcChannelBuffer_Release(params->chan);
IRpcStubBuffer_Release(params->stub);
}
CloseHandle(params->handle);
}
else
{
BOOL joined = FALSE;
struct oletls *info = COM_CurrentInfo();
if (!info->apt)
{
enter_apartment(info, COINIT_MULTITHREADED);
joined = TRUE;
}
RPC_ExecuteCall(params);
if (joined)
{
leave_apartment(info);
}
}
hr = params->hr;
if (params->chan)
IRpcChannelBuffer_Release(params->chan);
if (params->stub)
IRpcStubBuffer_Release(params->stub);
HeapFree(GetProcessHeap(), 0, 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_RegisterInterface(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, &registered_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 = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, 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(&registered_interfaces, &rif->entry);
else
{
ERR("RpcServerRegisterIfEx failed with error %d\n", status);
HeapFree(GetProcessHeap(), 0, rif);
hr = HRESULT_FROM_WIN32(status);
}
}
else
hr = E_OUTOFMEMORY;
}
LeaveCriticalSection(&csRegIf);
return hr;
}
/* stub unregistration */
void RPC_UnregisterInterface(REFIID riid, BOOL wait)
{
struct registered_if *rif;
EnterCriticalSection(&csRegIf);
LIST_FOR_EACH_ENTRY(rif, &registered_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);
HeapFree(GetProcessHeap(), 0, rif);
}
break;
}
}
LeaveCriticalSection(&csRegIf);
}
/* get the info for an OXID, including the IPID for the rem unknown interface
* and the string binding */
HRESULT RPC_ResolveOxid(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_StartRemoting(struct apartment *apt)
{
if (!InterlockedExchange(&apt->remoting_started, TRUE))
{
WCHAR endpoint[200];
RPC_STATUS status;
get_rpc_endpoint(endpoint, &apt->oxid);
status = RpcServerUseProtseqEpW(
wszRpcTransport,
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);
}
static HRESULT create_server(REFCLSID rclsid, HANDLE *process)
{
static const WCHAR wszLocalServer32[] = { 'L','o','c','a','l','S','e','r','v','e','r','3','2',0 };
static const WCHAR embedding[] = { ' ', '-','E','m','b','e','d','d','i','n','g',0 };
HKEY key;
HRESULT hres;
WCHAR command[MAX_PATH+ARRAY_SIZE(embedding)];
DWORD size = (MAX_PATH+1) * sizeof(WCHAR);
STARTUPINFOW sinfo;
PROCESS_INFORMATION pinfo;
LONG ret;
hres = COM_OpenKeyForCLSID(rclsid, wszLocalServer32, KEY_READ, &key);
if (FAILED(hres)) {
ERR("class %s not registered\n", debugstr_guid(rclsid));
return hres;
}
ret = RegQueryValueExW(key, NULL, NULL, NULL, (LPBYTE)command, &size);
RegCloseKey(key);
if (ret) {
WARN("No default value for LocalServer32 key\n");
return REGDB_E_CLASSNOTREG; /* FIXME: check retval */
}
memset(&sinfo,0,sizeof(sinfo));
sinfo.cb = sizeof(sinfo);
/* EXE servers are started with the -Embedding switch. */
strcatW(command, embedding);
TRACE("activating local server %s for %s\n", debugstr_w(command), debugstr_guid(rclsid));
/* FIXME: Win2003 supports a ServerExecutable value that is passed into
* 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));
return HRESULT_FROM_WIN32(GetLastError());
}
*process = pinfo.hProcess;
CloseHandle(pinfo.hThread);
return S_OK;
}
/*
* start_local_service() - start a service given its name and parameters
*/
static DWORD start_local_service(LPCWSTR name, DWORD num, LPCWSTR *params)
{
SC_HANDLE handle, hsvc;
DWORD r = ERROR_FUNCTION_FAILED;
TRACE("Starting service %s %d params\n", debugstr_w(name), num);
handle = OpenSCManagerW(NULL, NULL, SC_MANAGER_CONNECT);
if (!handle)
return r;
hsvc = OpenServiceW(handle, name, SERVICE_START);
if (hsvc)
{
if(StartServiceW(hsvc, num, params))
r = ERROR_SUCCESS;
else
r = GetLastError();
if (r == ERROR_SERVICE_ALREADY_RUNNING)
r = ERROR_SUCCESS;
CloseServiceHandle(hsvc);
}
else
r = GetLastError();
CloseServiceHandle(handle);
TRACE("StartService returned error %u (%s)\n", r, (r == ERROR_SUCCESS) ? "ok":"failed");
return r;
}
/*
* create_local_service() - start a COM server in a service
*
* To start a Local Service, we read the AppID value under
* the class's CLSID key, then open the HKCR\\AppId key specified
* there and check for a LocalService value.
*
* Note: Local Services are not supported under Windows 9x
*/
static HRESULT create_local_service(REFCLSID rclsid)
{
HRESULT hres;
WCHAR buf[CHARS_IN_GUID];
static const WCHAR szLocalService[] = { 'L','o','c','a','l','S','e','r','v','i','c','e',0 };
static const WCHAR szServiceParams[] = {'S','e','r','v','i','c','e','P','a','r','a','m','s',0};
HKEY hkey;
LONG r;
DWORD type, sz;
TRACE("Attempting to start Local service for %s\n", debugstr_guid(rclsid));
hres = COM_OpenKeyForAppIdFromCLSID(rclsid, KEY_READ, &hkey);
if (FAILED(hres))
return hres;
/* read the LocalService and ServiceParameters values from the AppID key */
sz = sizeof buf;
r = RegQueryValueExW(hkey, szLocalService, NULL, &type, (LPBYTE)buf, &sz);
if (r==ERROR_SUCCESS && type==REG_SZ)
{
DWORD num_args = 0;
LPWSTR args[1] = { NULL };
/*
* FIXME: I'm not really sure how to deal with the service parameters.
* I suspect that the string returned from RegQueryValueExW
* should be split into a number of arguments by spaces.
* It would make more sense if ServiceParams contained a
* REG_MULTI_SZ here, but it's a REG_SZ for the services
* that I'm interested in for the moment.
*/
r = RegQueryValueExW(hkey, szServiceParams, NULL, &type, NULL, &sz);
if (r == ERROR_SUCCESS && type == REG_SZ && sz)
{
args[0] = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sz);
num_args++;
RegQueryValueExW(hkey, szServiceParams, NULL, &type, (LPBYTE)args[0], &sz);
}
r = start_local_service(buf, num_args, (LPCWSTR *)args);
if (r != ERROR_SUCCESS)
hres = REGDB_E_CLASSNOTREG; /* FIXME: check retval */
HeapFree(GetProcessHeap(),0,args[0]);
}
else
{
WARN("No LocalService value\n");
hres = REGDB_E_CLASSNOTREG; /* FIXME: check retval */
}
RegCloseKey(hkey);
return hres;
}
static void get_localserver_pipe_name(WCHAR *pipefn, REFCLSID rclsid)
{
static const WCHAR wszPipeRef[] = {'\\','\\','.','\\','p','i','p','e','\\',0};
strcpyW(pipefn, wszPipeRef);
StringFromGUID2(rclsid, pipefn + ARRAY_SIZE(wszPipeRef) - 1, CHARS_IN_GUID);
}
/* FIXME: should call to rpcss instead */
HRESULT RPC_GetLocalClassObject(REFCLSID rclsid, REFIID iid, LPVOID *ppv)
{
HRESULT hres;
HANDLE hPipe;
WCHAR pipefn[100];
DWORD res, bufferlen;
char marshalbuffer[200];
IStream *pStm;
LARGE_INTEGER seekto;
ULARGE_INTEGER newpos;
int tries = 0;
IServiceProvider *local_server;
static const int MAXTRIES = 30; /* 30 seconds */
TRACE("rclsid=%s, iid=%s\n", debugstr_guid(rclsid), debugstr_guid(iid));
get_localserver_pipe_name(pipefn, rclsid);
while (tries++ < MAXTRIES) {
TRACE("waiting for %s\n", debugstr_w(pipefn));
WaitNamedPipeW( pipefn, NMPWAIT_WAIT_FOREVER );
hPipe = CreateFileW(pipefn, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0);
if (hPipe == INVALID_HANDLE_VALUE) {
DWORD index;
DWORD start_ticks;
HANDLE process = 0;
if (tries == 1) {
if ( (hres = create_local_service(rclsid)) &&
(hres = create_server(rclsid, &process)) )
return hres;
} else {
WARN("Connecting to %s, no response yet, retrying: le is %u\n", debugstr_w(pipefn), GetLastError());
}
/* 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( hPipe );
CloseHandle( process );
return E_NOINTERFACE;
}
} while (GetTickCount() - start_ticks < 1000);
if (process) CloseHandle( process );
continue;
}
bufferlen = 0;
if (!ReadFile(hPipe,marshalbuffer,sizeof(marshalbuffer),&bufferlen,NULL)) {
FIXME("Failed to read marshal id from classfactory of %s.\n",debugstr_guid(rclsid));
CloseHandle(hPipe);
Sleep(1000);
continue;
}
TRACE("read marshal id from pipe\n");
CloseHandle(hPipe);
break;
}
if (tries >= MAXTRIES)
return E_NOINTERFACE;
hres = CreateStreamOnHGlobal(0,TRUE,&pStm);
if (hres != S_OK) return hres;
hres = IStream_Write(pStm,marshalbuffer,bufferlen,&res);
if (hres != S_OK) goto out;
seekto.u.LowPart = 0;seekto.u.HighPart = 0;
hres = IStream_Seek(pStm,seekto,STREAM_SEEK_SET,&newpos);
TRACE("unmarshalling local server\n");
hres = CoUnmarshalInterface(pStm, &IID_IServiceProvider, (void**)&local_server);
if(SUCCEEDED(hres))
hres = IServiceProvider_QueryService(local_server, rclsid, iid, ppv);
IServiceProvider_Release(local_server);
out:
IStream_Release(pStm);
return hres;
}
struct local_server_params
{
CLSID clsid;
IStream *stream;
HANDLE pipe;
HANDLE stop_event;
HANDLE thread;
BOOL multi_use;
};
/* FIXME: should call to rpcss instead */
static DWORD WINAPI local_server_thread(LPVOID param)
{
struct local_server_params * lsp = param;
WCHAR pipefn[100];
HRESULT hres;
IStream *pStm = lsp->stream;
STATSTG ststg;
unsigned char *buffer;
int buflen;
LARGE_INTEGER seekto;
ULARGE_INTEGER newpos;
ULONG res;
BOOL multi_use = lsp->multi_use;
OVERLAPPED ovl;
HANDLE pipe_event, hPipe = lsp->pipe, new_pipe;
DWORD bytes;
TRACE("Starting threader for %s.\n",debugstr_guid(&lsp->clsid));
memset(&ovl, 0, sizeof(ovl));
get_localserver_pipe_name(pipefn, &lsp->clsid);
ovl.hEvent = pipe_event = CreateEventW(NULL, FALSE, FALSE, NULL);
while (1) {
if (!ConnectNamedPipe(hPipe, &ovl))
{
DWORD error = GetLastError();
if (error == ERROR_IO_PENDING)
{
HANDLE handles[2] = { pipe_event, lsp->stop_event };
DWORD ret;
ret = WaitForMultipleObjects(2, handles, FALSE, INFINITE);
if (ret != WAIT_OBJECT_0)
break;
}
/* client already connected isn't an error */
else if (error != ERROR_PIPE_CONNECTED)
{
ERR("ConnectNamedPipe failed with error %d\n", GetLastError());
break;
}
}
TRACE("marshalling LocalServer to client\n");
hres = IStream_Stat(pStm,&ststg,STATFLAG_NONAME);
if (hres != S_OK)
break;
seekto.u.LowPart = 0;
seekto.u.HighPart = 0;
hres = IStream_Seek(pStm,seekto,STREAM_SEEK_SET,&newpos);
if (hres != S_OK) {
FIXME("IStream_Seek failed, %x\n",hres);
break;
}
buflen = ststg.cbSize.u.LowPart;
buffer = HeapAlloc(GetProcessHeap(),0,buflen);
hres = IStream_Read(pStm,buffer,buflen,&res);
if (hres != S_OK) {
FIXME("Stream Read failed, %x\n",hres);
HeapFree(GetProcessHeap(),0,buffer);
break;
}
WriteFile(hPipe,buffer,buflen,&res,&ovl);
GetOverlappedResult(hPipe, &ovl, &bytes, TRUE);
HeapFree(GetProcessHeap(),0,buffer);
FlushFileBuffers(hPipe);
DisconnectNamedPipe(hPipe);
TRACE("done marshalling LocalServer\n");
if (!multi_use)
{
TRACE("single use object, shutting down pipe %s\n", debugstr_w(pipefn));
break;
}
new_pipe = CreateNamedPipeW( pipefn, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
PIPE_TYPE_BYTE|PIPE_WAIT, PIPE_UNLIMITED_INSTANCES,
4096, 4096, 500 /* 0.5 second timeout */, NULL );
if (new_pipe == INVALID_HANDLE_VALUE)
{
FIXME("pipe creation failed for %s, le is %u\n", debugstr_w(pipefn), GetLastError());
break;
}
CloseHandle(hPipe);
hPipe = new_pipe;
}
CloseHandle(pipe_event);
CloseHandle(hPipe);
return 0;
}
/* starts listening for a local server */
HRESULT RPC_StartLocalServer(REFCLSID clsid, IStream *stream, BOOL multi_use, void **registration)
{
DWORD tid, err;
struct local_server_params *lsp;
WCHAR pipefn[100];
lsp = HeapAlloc(GetProcessHeap(), 0, sizeof(*lsp));
if (!lsp)
return E_OUTOFMEMORY;
lsp->clsid = *clsid;
lsp->stream = stream;
IStream_AddRef(stream);
lsp->stop_event = CreateEventW(NULL, FALSE, FALSE, NULL);
if (!lsp->stop_event)
{
HeapFree(GetProcessHeap(), 0, lsp);
return HRESULT_FROM_WIN32(GetLastError());
}
lsp->multi_use = multi_use;
get_localserver_pipe_name(pipefn, &lsp->clsid);
lsp->pipe = CreateNamedPipeW(pipefn, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
PIPE_TYPE_BYTE|PIPE_WAIT, PIPE_UNLIMITED_INSTANCES,
4096, 4096, 500 /* 0.5 second timeout */, NULL);
if (lsp->pipe == INVALID_HANDLE_VALUE)
{
err = GetLastError();
FIXME("pipe creation failed for %s, le is %u\n", debugstr_w(pipefn), GetLastError());
CloseHandle(lsp->stop_event);
HeapFree(GetProcessHeap(), 0, lsp);
return HRESULT_FROM_WIN32(err);
}
lsp->thread = CreateThread(NULL, 0, local_server_thread, lsp, 0, &tid);
if (!lsp->thread)
{
CloseHandle(lsp->pipe);
CloseHandle(lsp->stop_event);
HeapFree(GetProcessHeap(), 0, lsp);
return HRESULT_FROM_WIN32(GetLastError());
}
*registration = lsp;
return S_OK;
}
/* stops listening for a local server */
void RPC_StopLocalServer(void *registration)
{
struct local_server_params *lsp = registration;
/* signal local_server_thread to stop */
SetEvent(lsp->stop_event);
/* wait for it to exit */
WaitForSingleObject(lsp->thread, INFINITE);
IStream_Release(lsp->stream);
CloseHandle(lsp->stop_event);
CloseHandle(lsp->thread);
HeapFree(GetProcessHeap(), 0, lsp);
}
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