programs/rpcss/rpcss_main.c

   1 /*
   2  * Copyright 2001, Ove Kåven, TransGaming Technologies Inc.
   3  * Copyright 2002 Greg Turner
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include <stdio.h>
  21 #include <stdarg.h>
  22 #include <limits.h>
  23 #include <assert.h>
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winnt.h"
  28 #include "winsvc.h"
  29 #include "irot.h"
  30 #include "epm.h"
  31 #include "irpcss.h"
  32
  33 #include "wine/debug.h"
  34 #include "wine/list.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  37
  38 static WCHAR rpcssW[] = L"RpcSs";
  39 static HANDLE exit_event;
  40 static SERVICE_STATUS_HANDLE service_handle;
  41
  42 struct registered_class
  43 {
  44     struct list entry;
  45     GUID clsid;
  46     unsigned int cookie;
  47     PMInterfacePointer object;
  48     unsigned int single_use : 1;
  49 };
  50
  51 static CRITICAL_SECTION registered_classes_cs = { NULL, -1, 0, 0, 0, 0 };
  52 static struct list registered_classes = LIST_INIT(registered_classes);
  53
  54 HRESULT __cdecl irpcss_server_register(handle_t h, const GUID *clsid, unsigned int flags,
  55         PMInterfacePointer object, unsigned int *cookie)
  56 {
  57     struct registered_class *entry;
  58     static LONG next_cookie;
  59
  60     if (!(entry = calloc(1, sizeof(*entry))))
  61         return E_OUTOFMEMORY;
  62
  63     entry->clsid = *clsid;
  64     entry->single_use = !(flags & (REGCLS_MULTIPLEUSE | REGCLS_MULTI_SEPARATE));
  65     if (!(entry->object = malloc(FIELD_OFFSET(MInterfacePointer, abData[object->ulCntData]))))
  66     {
  67         free(entry);
  68         return E_OUTOFMEMORY;
  69     }
  70     entry->object->ulCntData = object->ulCntData;
  71     memcpy(&entry->object->abData, object->abData, object->ulCntData);
  72     *cookie = entry->cookie = InterlockedIncrement(&next_cookie);
  73
  74     EnterCriticalSection(&registered_classes_cs);
  75     list_add_tail(&registered_classes, &entry->entry);
  76     LeaveCriticalSection(&registered_classes_cs);
  77
  78     return S_OK;
  79 }
  80
  81 static void scm_revoke_class(struct registered_class *_class)
  82 {
  83     list_remove(&_class->entry);
  84     free(_class->object);
  85     free(_class);
  86 }
  87
  88 HRESULT __cdecl irpcss_server_revoke(handle_t h, unsigned int cookie)
  89 {
  90     struct registered_class *cur;
  91
  92     EnterCriticalSection(&registered_classes_cs);
  93
  94     LIST_FOR_EACH_ENTRY(cur, &registered_classes, struct registered_class, entry)
  95     {
  96         if (cur->cookie == cookie)
  97         {
  98             scm_revoke_class(cur);
  99             break;
 100         }
 101     }
 102
 103     LeaveCriticalSection(&registered_classes_cs);
 104
 105     return S_OK;
 106 }
 107
 108 HRESULT __cdecl irpcss_get_class_object(handle_t h, const GUID *clsid,
 109         PMInterfacePointer *object)
 110 {
 111     struct registered_class *cur;
 112
 113     *object = NULL;
 114
 115     EnterCriticalSection(&registered_classes_cs);
 116
 117     LIST_FOR_EACH_ENTRY(cur, &registered_classes, struct registered_class, entry)
 118     {
 119         if (!memcmp(clsid, &cur->clsid, sizeof(*clsid)))
 120         {
 121             *object = MIDL_user_allocate(FIELD_OFFSET(MInterfacePointer, abData[cur->object->ulCntData]));
 122             if (*object)
 123             {
 124                 (*object)->ulCntData = cur->object->ulCntData;
 125                 memcpy((*object)->abData, cur->object->abData, cur->object->ulCntData);
 126             }
 127
 128             if (cur->single_use)
 129                 scm_revoke_class(cur);
 130
 131             break;
 132         }
 133     }
 134
 135     LeaveCriticalSection(&registered_classes_cs);
 136
 137     return *object ? S_OK : E_NOINTERFACE;
 138 }
 139
 140 HRESULT __cdecl irpcss_get_thread_seq_id(handle_t h, DWORD *id)
 141 {
 142     static LONG thread_seq_id;
 143     *id = InterlockedIncrement(&thread_seq_id);
 144     return S_OK;
 145 }
 146
 147 static RPC_STATUS RPCSS_Initialize(void)
 148 {
 149     static unsigned short irot_protseq[] = IROT_PROTSEQ;
 150     static unsigned short irot_endpoint[] = IROT_ENDPOINT;
 151     static unsigned short epm_protseq[] = L"ncacn_np";
 152     static unsigned short epm_endpoint[] = L"\\pipe\\epmapper";
 153     static unsigned short epm_protseq_lrpc[] = L"ncalrpc";
 154     static unsigned short epm_endpoint_lrpc[] = L"epmapper";
 155     static unsigned short irpcss_protseq[] = IRPCSS_PROTSEQ;
 156     static unsigned short irpcss_endpoint[] = IRPCSS_ENDPOINT;
 157     static const struct protseq_map
 158     {
 159         unsigned short *protseq;
 160         unsigned short *endpoint;
 161     } protseqs[] =
 162     {
 163         { epm_protseq, epm_endpoint },
 164         { epm_protseq_lrpc, epm_endpoint_lrpc },
 165         { irot_protseq, irot_endpoint },
 166         { irpcss_protseq, irpcss_endpoint },
 167     };
 168     RPC_IF_HANDLE ifspecs[] =
 169     {
 170         epm_v3_0_s_ifspec,
 171         Irot_v0_2_s_ifspec,
 172         Irpcss_v0_0_s_ifspec,
 173     };
 174     RPC_STATUS status;
 175     int i, j;
 176
 177     WINE_TRACE("\n");
 178
 179     for (i = 0, j = 0; i < ARRAY_SIZE(ifspecs); ++i, j = i)
 180     {
 181         status = RpcServerRegisterIf(ifspecs[i], NULL, NULL);
 182         if (status != RPC_S_OK)
 183             goto fail;
 184     }
 185
 186     for (i = 0; i < ARRAY_SIZE(protseqs); ++i)
 187     {
 188         status = RpcServerUseProtseqEpW(protseqs[i].protseq, RPC_C_PROTSEQ_MAX_REQS_DEFAULT,
 189                 protseqs[i].endpoint, NULL);
 190         if (status != RPC_S_OK)
 191             goto fail;
 192     }
 193
 194     status = RpcServerListen(1, RPC_C_LISTEN_MAX_CALLS_DEFAULT, TRUE);
 195     if (status != RPC_S_OK)
 196         goto fail;
 197
 198     return RPC_S_OK;
 199
 200 fail:
 201     for (i = 0; i < j; ++i)
 202         RpcServerUnregisterIf(ifspecs[i], NULL, FALSE);
 203
 204     return status;
 205 }
 206
 207 static DWORD WINAPI service_handler( DWORD ctrl, DWORD event_type, LPVOID event_data, LPVOID context )
 208 {
 209     SERVICE_STATUS status;
 210
 211     status.dwServiceType             = SERVICE_WIN32;
 212     status.dwControlsAccepted        = SERVICE_ACCEPT_STOP;
 213     status.dwWin32ExitCode           = 0;
 214     status.dwServiceSpecificExitCode = 0;
 215     status.dwCheckPoint              = 0;
 216     status.dwWaitHint                = 0;
 217
 218     switch (ctrl)
 219     {
 220     case SERVICE_CONTROL_STOP:
 221     case SERVICE_CONTROL_SHUTDOWN:
 222         TRACE( "shutting down\n" );
 223         RpcMgmtStopServerListening( NULL );
 224         RpcServerUnregisterIf( epm_v3_0_s_ifspec, NULL, TRUE );
 225         RpcServerUnregisterIf( Irot_v0_2_s_ifspec, NULL, TRUE );
 226         status.dwCurrentState = SERVICE_STOP_PENDING;
 227         status.dwControlsAccepted = 0;
 228         SetServiceStatus( service_handle, &status );
 229         SetEvent( exit_event );
 230         return NO_ERROR;
 231     default:
 232         FIXME( "got service ctrl %lx\n", ctrl );
 233         status.dwCurrentState = SERVICE_RUNNING;
 234         SetServiceStatus( service_handle, &status );
 235         return NO_ERROR;
 236     }
 237 }
 238
 239 static void WINAPI ServiceMain( DWORD argc, LPWSTR *argv )
 240 {
 241     SERVICE_STATUS status;
 242     RPC_STATUS ret;
 243
 244     TRACE( "starting service\n" );
 245
 246     if ((ret = RPCSS_Initialize()))
 247     {
 248         WARN("Failed to initialize rpc interfaces, status %ld.\n", ret);
 249         return;
 250     }
 251
 252     exit_event = CreateEventW( NULL, TRUE, FALSE, NULL );
 253
 254     service_handle = RegisterServiceCtrlHandlerExW( rpcssW, service_handler, NULL );
 255     if (!service_handle) return;
 256
 257     status.dwServiceType             = SERVICE_WIN32;
 258     status.dwCurrentState            = SERVICE_RUNNING;
 259     status.dwControlsAccepted        = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN;
 260     status.dwWin32ExitCode           = 0;
 261     status.dwServiceSpecificExitCode = 0;
 262     status.dwCheckPoint              = 0;
 263     status.dwWaitHint                = 10000;
 264     SetServiceStatus( service_handle, &status );
 265
 266     WaitForSingleObject( exit_event, INFINITE );
 267
 268     status.dwCurrentState     = SERVICE_STOPPED;
 269     status.dwControlsAccepted = 0;
 270     SetServiceStatus( service_handle, &status );
 271     TRACE( "service stopped\n" );
 272 }
 273
 274 int __cdecl wmain( int argc, WCHAR *argv[] )
 275 {
 276     static const SERVICE_TABLE_ENTRYW service_table[] =
 277     {
 278         { rpcssW, ServiceMain },
 279         { NULL, NULL }
 280     };
 281
 282     StartServiceCtrlDispatcherW( service_table );
 283     return 0;
 284 }