| /* | |
| * 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 */ | |
| } 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 = *riid; | |
| /* 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; | |
| TRACE("(%p) iMethod=%d\n", olemsg, olemsg->iMethod); | |
| hr = ClientRpcChannelBuffer_IsCorrectApartment(This, COM_CurrentApt()); | |
| if (hr != S_OK) | |
| { | |
| ERR("called from wrong apartment, should have been 0x%s\n", | |
| wine_dbgstr_longlong(This->oxid)); | |
| 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 (!COM_CurrentApt()->multi_threaded && | |
| COM_CurrentInfo()->pending_call_count_client && | |
| InSendMessage()) | |
| { | |
| ERR("can't make an outgoing COM call in response to a sent message\n"); | |
| 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); | |
| 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, | |
| DWORD dest_context, void *dest_context_data, | |
| IRpcChannelBuffer **chan) | |
| { | |
| 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(COM_CurrentApt(), &This->oxid); | |
| This->server_pid = oxid_info->dwPid; | |
| This->event = NULL; | |
| *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, ¶ms->stub, ¶ms->chan, | |
| ¶ms->iid, ¶ms->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; | |
| if (!COM_CurrentInfo()->apt) | |
| { | |
| apartment_joinmta(); | |
| joined = TRUE; | |
| } | |
| RPC_ExecuteCall(params); | |
| if (joined) | |
| { | |
| apartment_release(COM_CurrentInfo()->apt); | |
| COM_CurrentInfo()->apt = NULL; | |
| } | |
| } | |
| 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, ®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 = 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(®istered_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, ®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); | |
| 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(); | |
| } | |
| 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+sizeof(embedding)/sizeof(WCHAR)]; | |
| 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 + sizeof(wszPipeRef)/sizeof(wszPipeRef[0]) - 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); | |
| } |