git.oblomov.eu Git - wine/blob - programs/services/services.c

   1 /*
   2  * Services - controls services keeps track of their state
   3  *
   4  * Copyright 2007 Google (Mikolaj Zalewski)
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #define WIN32_LEAN_AND_MEAN
  22
  23 #include <stdarg.h>
  24 #include <windows.h>
  25 #include <winsvc.h>
  26 #include <rpc.h>
  27
  28 #include "wine/unicode.h"
  29 #include "wine/debug.h"
  30 #include "svcctl.h"
  31
  32 #include "services.h"
  33
  34 #define MAX_SERVICE_NAME 260
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(service);
  37
  38 HANDLE g_hStartedEvent;
  39 struct scmdatabase *active_database;
  40
  41 static const WCHAR SZ_LOCAL_SYSTEM[] = {'L','o','c','a','l','S','y','s','t','e','m',0};
  42
  43 /* Registry constants */
  44 static const WCHAR SZ_SERVICES_KEY[] = { 'S','y','s','t','e','m','\\',
  45       'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
  46       'S','e','r','v','i','c','e','s',0 };
  47
  48 /* Service key values names */
  49 static const WCHAR SZ_DISPLAY_NAME[]      = {'D','i','s','p','l','a','y','N','a','m','e',0 };
  50 static const WCHAR SZ_TYPE[]              = {'T','y','p','e',0 };
  51 static const WCHAR SZ_START[]             = {'S','t','a','r','t',0 };
  52 static const WCHAR SZ_ERROR[]             = {'E','r','r','o','r','C','o','n','t','r','o','l',0 };
  53 static const WCHAR SZ_IMAGE_PATH[]        = {'I','m','a','g','e','P','a','t','h',0};
  54 static const WCHAR SZ_GROUP[]             = {'G','r','o','u','p',0};
  55 static const WCHAR SZ_DEPEND_ON_SERVICE[] = {'D','e','p','e','n','d','O','n','S','e','r','v','i','c','e',0};
  56 static const WCHAR SZ_DEPEND_ON_GROUP[]   = {'D','e','p','e','n','d','O','n','G','r','o','u','p',0};
  57 static const WCHAR SZ_OBJECT_NAME[]       = {'O','b','j','e','c','t','N','a','m','e',0};
  58 static const WCHAR SZ_TAG[]               = {'T','a','g',0};
  59 static const WCHAR SZ_DESCRIPTION[]       = {'D','e','s','c','r','i','p','t','i','o','n',0};
  60
  61
  62 DWORD service_create(LPCWSTR name, struct service_entry **entry)
  63 {
  64     *entry = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(**entry));
  65     if (!*entry)
  66         return ERROR_NOT_ENOUGH_SERVER_MEMORY;
  67     (*entry)->name = strdupW(name);
  68     if (!(*entry)->name)
  69     {
  70         HeapFree(GetProcessHeap(), 0, *entry);
  71         return ERROR_NOT_ENOUGH_SERVER_MEMORY;
  72     }
  73     (*entry)->control_pipe = INVALID_HANDLE_VALUE;
  74     return ERROR_SUCCESS;
  75 }
  76
  77 void free_service_entry(struct service_entry *entry)
  78 {
  79     HeapFree(GetProcessHeap(), 0, entry->name);
  80     HeapFree(GetProcessHeap(), 0, entry->config.lpBinaryPathName);
  81     HeapFree(GetProcessHeap(), 0, entry->config.lpDependencies);
  82     HeapFree(GetProcessHeap(), 0, entry->config.lpLoadOrderGroup);
  83     HeapFree(GetProcessHeap(), 0, entry->config.lpServiceStartName);
  84     HeapFree(GetProcessHeap(), 0, entry->config.lpDisplayName);
  85     HeapFree(GetProcessHeap(), 0, entry->description);
  86     HeapFree(GetProcessHeap(), 0, entry->dependOnServices);
  87     HeapFree(GetProcessHeap(), 0, entry->dependOnGroups);
  88     CloseHandle(entry->control_mutex);
  89     CloseHandle(entry->control_pipe);
  90     CloseHandle(entry->status_changed_event);
  91     HeapFree(GetProcessHeap(), 0, entry);
  92 }
  93
  94 static DWORD load_service_config(HKEY hKey, struct service_entry *entry)
  95 {
  96     DWORD err;
  97     WCHAR *wptr;
  98
  99     if ((err = load_reg_string(hKey, SZ_IMAGE_PATH,   TRUE, &entry->config.lpBinaryPathName)) != 0)
 100         return err;
 101     if ((err = load_reg_string(hKey, SZ_GROUP,        0,    &entry->config.lpLoadOrderGroup)) != 0)
 102         return err;
 103     if ((err = load_reg_string(hKey, SZ_OBJECT_NAME,  TRUE, &entry->config.lpServiceStartName)) != 0)
 104         return err;
 105     if ((err = load_reg_string(hKey, SZ_DISPLAY_NAME, 0,    &entry->config.lpDisplayName)) != 0)
 106         return err;
 107     if ((err = load_reg_string(hKey, SZ_DESCRIPTION,  0,    &entry->description)) != 0)
 108         return err;
 109     if ((err = load_reg_multisz(hKey, SZ_DEPEND_ON_SERVICE, &entry->dependOnServices)) != 0)
 110         return err;
 111     if ((err = load_reg_multisz(hKey, SZ_DEPEND_ON_GROUP,   &entry->dependOnGroups)) != 0)
 112         return err;
 113
 114     if ((err = load_reg_dword(hKey, SZ_TYPE,  &entry->config.dwServiceType)) != 0)
 115         return err;
 116     if ((err = load_reg_dword(hKey, SZ_START, &entry->config.dwStartType)) != 0)
 117         return err;
 118     if ((err = load_reg_dword(hKey, SZ_ERROR, &entry->config.dwErrorControl)) != 0)
 119         return err;
 120     if ((err = load_reg_dword(hKey, SZ_TAG,   &entry->config.dwTagId)) != 0)
 121         return err;
 122
 123     WINE_TRACE("Image path           = %s\n", wine_dbgstr_w(entry->config.lpBinaryPathName) );
 124     WINE_TRACE("Group                = %s\n", wine_dbgstr_w(entry->config.lpLoadOrderGroup) );
 125     WINE_TRACE("Service account name = %s\n", wine_dbgstr_w(entry->config.lpServiceStartName) );
 126     WINE_TRACE("Display name         = %s\n", wine_dbgstr_w(entry->config.lpDisplayName) );
 127     WINE_TRACE("Service dependencies : %s\n", entry->dependOnServices[0] ? "" : "(none)");
 128     for (wptr = entry->dependOnServices; *wptr; wptr += strlenW(wptr) + 1)
 129         WINE_TRACE("    * %s\n", wine_dbgstr_w(wptr));
 130     WINE_TRACE("Group dependencies   : %s\n", entry->dependOnGroups[0] ? "" : "(none)");
 131     for (wptr = entry->dependOnGroups; *wptr; wptr += strlenW(wptr) + 1)
 132         WINE_TRACE("    * %s\n", wine_dbgstr_w(wptr));
 133
 134     return ERROR_SUCCESS;
 135 }
 136
 137 static DWORD reg_set_string_value(HKEY hKey, LPCWSTR value_name, LPCWSTR string)
 138 {
 139     if (!string)
 140     {
 141         DWORD err;
 142         err = RegDeleteValueW(hKey, value_name);
 143         if (err != ERROR_FILE_NOT_FOUND)
 144             return err;
 145
 146         return ERROR_SUCCESS;
 147     }
 148
 149     return RegSetValueExW(hKey, value_name, 0, REG_SZ, (LPBYTE)string, sizeof(WCHAR)*(strlenW(string) + 1));
 150 }
 151
 152 DWORD save_service_config(struct service_entry *entry)
 153 {
 154     DWORD err;
 155     HKEY hKey = NULL;
 156
 157     err = RegCreateKeyW(entry->db->root_key, entry->name, &hKey);
 158     if (err != ERROR_SUCCESS)
 159         goto cleanup;
 160
 161     if ((err = reg_set_string_value(hKey, SZ_DISPLAY_NAME, entry->config.lpDisplayName)) != 0)
 162         goto cleanup;
 163     if ((err = reg_set_string_value(hKey, SZ_IMAGE_PATH, entry->config.lpBinaryPathName)) != 0)
 164         goto cleanup;
 165     if ((err = reg_set_string_value(hKey, SZ_GROUP, entry->config.lpLoadOrderGroup)) != 0)
 166         goto cleanup;
 167     if ((err = reg_set_string_value(hKey, SZ_OBJECT_NAME, entry->config.lpServiceStartName)) != 0)
 168         goto cleanup;
 169     if ((err = reg_set_string_value(hKey, SZ_DESCRIPTION, entry->description)) != 0)
 170         goto cleanup;
 171     if ((err = RegSetValueExW(hKey, SZ_START, 0, REG_DWORD, (LPBYTE)&entry->config.dwStartType, sizeof(DWORD))) != 0)
 172         goto cleanup;
 173     if ((err = RegSetValueExW(hKey, SZ_ERROR, 0, REG_DWORD, (LPBYTE)&entry->config.dwErrorControl, sizeof(DWORD))) != 0)
 174         goto cleanup;
 175
 176     if ((err = RegSetValueExW(hKey, SZ_TYPE, 0, REG_DWORD, (LPBYTE)&entry->config.dwServiceType, sizeof(DWORD))) != 0)
 177         goto cleanup;
 178
 179     if (entry->config.dwTagId)
 180         err = RegSetValueExW(hKey, SZ_TAG, 0, REG_DWORD, (LPBYTE)&entry->config.dwTagId, sizeof(DWORD));
 181     else
 182         err = RegDeleteValueW(hKey, SZ_TAG);
 183
 184     if (err != 0 && err != ERROR_FILE_NOT_FOUND)
 185         goto cleanup;
 186
 187     err = ERROR_SUCCESS;
 188 cleanup:
 189     RegCloseKey(hKey);
 190     return err;
 191 }
 192
 193 DWORD scmdatabase_add_service(struct scmdatabase *db, struct service_entry *service)
 194 {
 195     int err;
 196     service->db = db;
 197     if ((err = save_service_config(service)) != ERROR_SUCCESS)
 198     {
 199         WINE_ERR("Couldn't store service configuration: error %u\n", err);
 200         return ERROR_GEN_FAILURE;
 201     }
 202
 203     list_add_tail(&db->services, &service->entry);
 204     return ERROR_SUCCESS;
 205 }
 206
 207 DWORD scmdatabase_remove_service(struct scmdatabase *db, struct service_entry *service)
 208 {
 209     int err;
 210
 211     err = RegDeleteTreeW(db->root_key, service->name);
 212
 213     if (err != 0)
 214         return err;
 215
 216     list_remove(&service->entry);
 217     service->entry.next = service->entry.prev = NULL;
 218     return ERROR_SUCCESS;
 219 }
 220
 221 static void scmdatabase_autostart_services(struct scmdatabase *db)
 222 {
 223     struct service_entry **services_list;
 224     unsigned int i = 0;
 225     unsigned int size = 32;
 226     struct service_entry *service;
 227
 228     services_list = HeapAlloc(GetProcessHeap(), 0, size * sizeof(services_list[0]));
 229     if (!services_list)
 230         return;
 231
 232     scmdatabase_lock_shared(db);
 233
 234     LIST_FOR_EACH_ENTRY(service, &db->services, struct service_entry, entry)
 235     {
 236         if (service->config.dwStartType == SERVICE_BOOT_START ||
 237             service->config.dwStartType == SERVICE_SYSTEM_START ||
 238             service->config.dwStartType == SERVICE_AUTO_START)
 239         {
 240             if (i+1 >= size)
 241             {
 242                 size *= 2;
 243                 services_list = HeapReAlloc(GetProcessHeap(), 0, services_list, size * sizeof(services_list[0]));
 244                 if (!services_list)
 245                     break;
 246             }
 247             services_list[i] = service;
 248             service->ref_count++;
 249             i++;
 250         }
 251     }
 252
 253     scmdatabase_unlock(db);
 254
 255     size = i;
 256     for (i = 0; i < size; i++)
 257     {
 258         DWORD err;
 259         service = services_list[i];
 260         err = service_start(service, 0, NULL);
 261         /* FIXME: do something if the service failed to start */
 262         release_service(service);
 263     }
 264
 265     HeapFree(GetProcessHeap(), 0, services_list);
 266 }
 267
 268 BOOL validate_service_name(LPCWSTR name)
 269 {
 270     return (name && name[0] && !strchrW(name, '/') && !strchrW(name, '\\'));
 271 }
 272
 273 BOOL validate_service_config(struct service_entry *entry)
 274 {
 275     if (entry->config.dwServiceType & SERVICE_WIN32 && (entry->config.lpBinaryPathName == NULL || !entry->config.lpBinaryPathName[0]))
 276     {
 277         WINE_ERR("Service %s is Win32 but has no image path set\n", wine_dbgstr_w(entry->name));
 278         return FALSE;
 279     }
 280
 281     switch (entry->config.dwServiceType)
 282     {
 283     case SERVICE_KERNEL_DRIVER:
 284     case SERVICE_FILE_SYSTEM_DRIVER:
 285     case SERVICE_WIN32_OWN_PROCESS:
 286     case SERVICE_WIN32_SHARE_PROCESS:
 287         /* No problem */
 288         break;
 289     case SERVICE_WIN32_OWN_PROCESS | SERVICE_INTERACTIVE_PROCESS:
 290     case SERVICE_WIN32_SHARE_PROCESS | SERVICE_INTERACTIVE_PROCESS:
 291         /* These can be only run as LocalSystem */
 292         if (entry->config.lpServiceStartName && strcmpiW(entry->config.lpServiceStartName, SZ_LOCAL_SYSTEM) != 0)
 293         {
 294             WINE_ERR("Service %s is interactive but has a start name\n", wine_dbgstr_w(entry->name));
 295             return FALSE;
 296         }
 297         break;
 298     default:
 299         WINE_ERR("Service %s has an unknown service type\n", wine_dbgstr_w(entry->name));
 300         return FALSE;
 301     }
 302
 303     /* StartType can only be a single value (if several values are mixed the result is probably not what was intended) */
 304     if (entry->config.dwStartType > SERVICE_DISABLED)
 305     {
 306         WINE_ERR("Service %s has an unknown start type\n", wine_dbgstr_w(entry->name));
 307         return FALSE;
 308     }
 309
 310     /* SERVICE_BOOT_START and SERVICE_SYSTEM_START are only allowed for driver services */
 311     if (((entry->config.dwStartType == SERVICE_BOOT_START) || (entry->config.dwStartType == SERVICE_SYSTEM_START)) &&
 312         ((entry->config.dwServiceType & SERVICE_WIN32_OWN_PROCESS) || (entry->config.dwServiceType & SERVICE_WIN32_SHARE_PROCESS)))
 313     {
 314         WINE_ERR("Service %s - SERVICE_BOOT_START and SERVICE_SYSTEM_START are only allowed for driver services\n", wine_dbgstr_w(entry->name));
 315         return FALSE;
 316     }
 317
 318     if (entry->config.lpServiceStartName == NULL)
 319         entry->config.lpServiceStartName = strdupW(SZ_LOCAL_SYSTEM);
 320
 321     return TRUE;
 322 }
 323
 324
 325 struct service_entry *scmdatabase_find_service(struct scmdatabase *db, LPCWSTR name)
 326 {
 327     struct service_entry *service;
 328
 329     LIST_FOR_EACH_ENTRY(service, &db->services, struct service_entry, entry)
 330     {
 331         if (strcmpiW(name, service->name) == 0)
 332             return service;
 333     }
 334
 335     return NULL;
 336 }
 337
 338 struct service_entry *scmdatabase_find_service_by_displayname(struct scmdatabase *db, LPCWSTR name)
 339 {
 340     struct service_entry *service;
 341
 342     LIST_FOR_EACH_ENTRY(service, &db->services, struct service_entry, entry)
 343     {
 344         if (strcmpiW(name, service->config.lpDisplayName) == 0)
 345             return service;
 346     }
 347
 348     return NULL;
 349 }
 350
 351 void release_service(struct service_entry *service)
 352 {
 353     if (InterlockedDecrement(&service->ref_count) == 0 && is_marked_for_delete(service))
 354         free_service_entry(service);
 355 }
 356
 357 static DWORD scmdatabase_create(struct scmdatabase **db)
 358 {
 359     DWORD err;
 360
 361     *db = HeapAlloc(GetProcessHeap(), 0, sizeof(**db));
 362     if (!*db)
 363         return ERROR_NOT_ENOUGH_SERVER_MEMORY;
 364
 365     (*db)->service_start_lock = FALSE;
 366     list_init(&(*db)->services);
 367
 368     InitializeCriticalSection(&(*db)->cs);
 369
 370     err = RegCreateKeyExW(HKEY_LOCAL_MACHINE, SZ_SERVICES_KEY, 0, NULL,
 371                           REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL,
 372                           &(*db)->root_key, NULL);
 373     if (err != ERROR_SUCCESS)
 374         HeapFree(GetProcessHeap(), 0, *db);
 375
 376     return err;
 377 }
 378
 379 static void scmdatabase_destroy(struct scmdatabase *db)
 380 {
 381     RegCloseKey(db->root_key);
 382     DeleteCriticalSection(&db->cs);
 383     HeapFree(GetProcessHeap(), 0, db);
 384 }
 385
 386 static DWORD scmdatabase_load_services(struct scmdatabase *db)
 387 {
 388     DWORD err;
 389     int i;
 390
 391     for (i = 0; TRUE; i++)
 392     {
 393         WCHAR szName[MAX_SERVICE_NAME];
 394         struct service_entry *entry;
 395         HKEY hServiceKey;
 396
 397         err = RegEnumKeyW(db->root_key, i, szName, MAX_SERVICE_NAME);
 398         if (err == ERROR_NO_MORE_ITEMS)
 399             break;
 400
 401         if (err != 0)
 402         {
 403             WINE_ERR("Error %d reading key %d name - skipping\n", err, i);
 404             continue;
 405         }
 406
 407         err = service_create(szName, &entry);
 408         if (err != ERROR_SUCCESS)
 409             break;
 410
 411         WINE_TRACE("Loading service %s\n", wine_dbgstr_w(szName));
 412         err = RegOpenKeyExW(db->root_key, szName, 0, KEY_READ | KEY_WRITE, &hServiceKey);
 413         if (err == ERROR_SUCCESS)
 414         {
 415             err = load_service_config(hServiceKey, entry);
 416             RegCloseKey(hServiceKey);
 417         }
 418
 419         if (err != ERROR_SUCCESS)
 420         {
 421             WINE_ERR("Error %d reading registry key for service %s - skipping\n", err, wine_dbgstr_w(szName));
 422             free_service_entry(entry);
 423             continue;
 424         }
 425
 426         if (entry->config.dwServiceType == 0)
 427         {
 428             /* Maybe an application only wrote some configuration in the service key. Continue silently */
 429             WINE_TRACE("Even the service type not set for service %s - skipping\n", wine_dbgstr_w(szName));
 430             free_service_entry(entry);
 431             continue;
 432         }
 433
 434         if (!validate_service_config(entry))
 435         {
 436             WINE_ERR("Invalid configuration of service %s - skipping\n", wine_dbgstr_w(szName));
 437             free_service_entry(entry);
 438             continue;
 439         }
 440
 441         entry->status.dwServiceType = entry->config.dwServiceType;
 442         entry->status.dwCurrentState = SERVICE_STOPPED;
 443         entry->status.dwWin32ExitCode = ERROR_SERVICE_NEVER_STARTED;
 444         entry->db = db;
 445         /* all other fields are zero */
 446
 447         list_add_tail(&db->services, &entry->entry);
 448     }
 449     return ERROR_SUCCESS;
 450 }
 451
 452 DWORD scmdatabase_lock_startup(struct scmdatabase *db)
 453 {
 454     if (InterlockedCompareExchange(&db->service_start_lock, TRUE, FALSE))
 455         return ERROR_SERVICE_DATABASE_LOCKED;
 456     return ERROR_SUCCESS;
 457 }
 458
 459 void scmdatabase_unlock_startup(struct scmdatabase *db)
 460 {
 461     InterlockedCompareExchange(&db->service_start_lock, FALSE, TRUE);
 462 }
 463
 464 void scmdatabase_lock_shared(struct scmdatabase *db)
 465 {
 466     EnterCriticalSection(&db->cs);
 467 }
 468
 469 void scmdatabase_lock_exclusive(struct scmdatabase *db)
 470 {
 471     EnterCriticalSection(&db->cs);
 472 }
 473
 474 void scmdatabase_unlock(struct scmdatabase *db)
 475 {
 476     LeaveCriticalSection(&db->cs);
 477 }
 478
 479 void service_lock_shared(struct service_entry *service)
 480 {
 481     EnterCriticalSection(&service->db->cs);
 482 }
 483
 484 void service_lock_exclusive(struct service_entry *service)
 485 {
 486     EnterCriticalSection(&service->db->cs);
 487 }
 488
 489 void service_unlock(struct service_entry *service)
 490 {
 491     LeaveCriticalSection(&service->db->cs);
 492 }
 493
 494 /* only one service started at a time, so there is no race on the registry
 495  * value here */
 496 static LPWSTR service_get_pipe_name(void)
 497 {
 498     static const WCHAR format[] = { '\\','\\','.','\\','p','i','p','e','\\',
 499         'n','e','t','\\','N','t','C','o','n','t','r','o','l','P','i','p','e','%','u',0};
 500     static const WCHAR service_current_key_str[] = { 'S','Y','S','T','E','M','\\',
 501         'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
 502         'C','o','n','t','r','o','l','\\',
 503         'S','e','r','v','i','c','e','C','u','r','r','e','n','t',0};
 504     LPWSTR name;
 505     DWORD len;
 506     HKEY service_current_key;
 507     DWORD service_current = -1;
 508     LONG ret;
 509     DWORD type;
 510
 511     ret = RegCreateKeyExW(HKEY_LOCAL_MACHINE, service_current_key_str, 0,
 512         NULL, REG_OPTION_VOLATILE, KEY_SET_VALUE | KEY_QUERY_VALUE, NULL,
 513         &service_current_key, NULL);
 514     if (ret != ERROR_SUCCESS)
 515         return NULL;
 516     len = sizeof(service_current);
 517     ret = RegQueryValueExW(service_current_key, NULL, NULL, &type,
 518         (BYTE *)&service_current, &len);
 519     if ((ret == ERROR_SUCCESS && type == REG_DWORD) || ret == ERROR_FILE_NOT_FOUND)
 520     {
 521         service_current++;
 522         RegSetValueExW(service_current_key, NULL, 0, REG_DWORD,
 523             (BYTE *)&service_current, sizeof(service_current));
 524     }
 525     RegCloseKey(service_current_key);
 526     if ((ret != ERROR_SUCCESS || type != REG_DWORD) && (ret != ERROR_FILE_NOT_FOUND))
 527         return NULL;
 528     len = sizeof(format)/sizeof(WCHAR) + 10 /* strlenW("4294967295") */;
 529     name = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 530     if (!name)
 531         return NULL;
 532     snprintfW(name, len, format, service_current);
 533     return name;
 534 }
 535
 536 static DWORD service_start_process(struct service_entry *service_entry, HANDLE *process)
 537 {
 538     PROCESS_INFORMATION pi;
 539     STARTUPINFOW si;
 540     LPWSTR path = NULL;
 541     DWORD size;
 542     BOOL r;
 543
 544     service_lock_exclusive(service_entry);
 545
 546     if (service_entry->config.dwServiceType == SERVICE_KERNEL_DRIVER)
 547     {
 548         static const WCHAR winedeviceW[] = {'\\','w','i','n','e','d','e','v','i','c','e','.','e','x','e',' ',0};
 549         DWORD len = GetSystemDirectoryW( NULL, 0 ) + sizeof(winedeviceW)/sizeof(WCHAR) + strlenW(service_entry->name);
 550
 551         if (!(path = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
 552             return ERROR_NOT_ENOUGH_SERVER_MEMORY;
 553         GetSystemDirectoryW( path, len );
 554         lstrcatW( path, winedeviceW );
 555         lstrcatW( path, service_entry->name );
 556     }
 557     else
 558     {
 559         size = ExpandEnvironmentStringsW(service_entry->config.lpBinaryPathName,NULL,0);
 560         path = HeapAlloc(GetProcessHeap(),0,size*sizeof(WCHAR));
 561         if (!path)
 562             return ERROR_NOT_ENOUGH_SERVER_MEMORY;
 563         ExpandEnvironmentStringsW(service_entry->config.lpBinaryPathName,path,size);
 564     }
 565
 566     ZeroMemory(&si, sizeof(STARTUPINFOW));
 567     si.cb = sizeof(STARTUPINFOW);
 568     if (!(service_entry->config.dwServiceType & SERVICE_INTERACTIVE_PROCESS))
 569     {
 570         static WCHAR desktopW[] = {'_','_','w','i','n','e','s','e','r','v','i','c','e','_','w','i','n','s','t','a','t','i','o','n','\\','D','e','f','a','u','l','t',0};
 571         si.lpDesktop = desktopW;
 572     }
 573
 574     service_entry->status.dwCurrentState = SERVICE_START_PENDING;
 575     service_entry->status.dwProcessId = pi.dwProcessId;
 576
 577     service_unlock(service_entry);
 578
 579     r = CreateProcessW(NULL, path, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
 580     HeapFree(GetProcessHeap(),0,path);
 581     if (!r)
 582     {
 583         service_lock_exclusive(service_entry);
 584         service_entry->status.dwCurrentState = SERVICE_STOPPED;
 585         service_entry->status.dwProcessId = 0;
 586         service_unlock(service_entry);
 587         return GetLastError();
 588     }
 589
 590     *process = pi.hProcess;
 591     CloseHandle( pi.hThread );
 592
 593     return ERROR_SUCCESS;
 594 }
 595
 596 static DWORD service_wait_for_startup(struct service_entry *service_entry, HANDLE process_handle)
 597 {
 598     WINE_TRACE("%p\n", service_entry);
 599
 600     for (;;)
 601     {
 602         DWORD dwCurrentStatus;
 603         HANDLE handles[2] = { service_entry->status_changed_event, process_handle };
 604         DWORD ret;
 605         ret = WaitForMultipleObjects(sizeof(handles)/sizeof(handles[0]), handles, FALSE, 20000);
 606         if (ret != WAIT_OBJECT_0)
 607             return ERROR_SERVICE_REQUEST_TIMEOUT;
 608         service_lock_shared(service_entry);
 609         dwCurrentStatus = service_entry->status.dwCurrentState;
 610         service_unlock(service_entry);
 611         if (dwCurrentStatus == SERVICE_RUNNING)
 612         {
 613             WINE_TRACE("Service started successfully\n");
 614             return ERROR_SUCCESS;
 615         }
 616         if (dwCurrentStatus != SERVICE_START_PENDING)
 617             return ERROR_SERVICE_REQUEST_TIMEOUT;
 618     }
 619 }
 620
 621 /******************************************************************************
 622  * service_send_start_message
 623  */
 624 static BOOL service_send_start_message(struct service_entry *service, LPCWSTR *argv, DWORD argc)
 625 {
 626     DWORD i, len, count, result;
 627     service_start_info *ssi;
 628     LPWSTR p;
 629     BOOL r;
 630
 631     WINE_TRACE("%s %p %d\n", wine_dbgstr_w(service->name), argv, argc);
 632
 633     /* FIXME: this can block so should be done in another thread */
 634     r = ConnectNamedPipe(service->control_pipe, NULL);
 635     if (!r && GetLastError() != ERROR_PIPE_CONNECTED)
 636     {
 637         WINE_ERR("pipe connect failed\n");
 638         return FALSE;
 639     }
 640
 641     /* calculate how much space do we need to send the startup info */
 642     len = strlenW(service->name) + 1;
 643     for (i=0; i<argc; i++)
 644         len += strlenW(argv[i])+1;
 645     len++;
 646
 647     ssi = HeapAlloc(GetProcessHeap(),0,FIELD_OFFSET(service_start_info, data[len]));
 648     ssi->cmd = WINESERV_STARTINFO;
 649     ssi->control = 0;
 650     ssi->total_size = FIELD_OFFSET(service_start_info, data[len]);
 651     ssi->name_size = strlenW(service->name) + 1;
 652     strcpyW( ssi->data, service->name );
 653
 654     /* copy service args into a single buffer*/
 655     p = &ssi->data[ssi->name_size];
 656     for (i=0; i<argc; i++)
 657     {
 658         strcpyW(p, argv[i]);
 659         p += strlenW(p) + 1;
 660     }
 661     *p=0;
 662
 663     r = WriteFile(service->control_pipe, ssi, ssi->total_size, &count, NULL);
 664     if (r)
 665     {
 666         r = ReadFile(service->control_pipe, &result, sizeof result, &count, NULL);
 667         if (r && result)
 668         {
 669             SetLastError(result);
 670             r = FALSE;
 671         }
 672     }
 673
 674     HeapFree(GetProcessHeap(),0,ssi);
 675
 676     return r;
 677 }
 678
 679 DWORD service_start(struct service_entry *service, DWORD service_argc, LPCWSTR *service_argv)
 680 {
 681     DWORD err;
 682     LPWSTR name;
 683     HANDLE process_handle = NULL;
 684
 685     err = scmdatabase_lock_startup(service->db);
 686     if (err != ERROR_SUCCESS)
 687         return err;
 688
 689     if (service->control_pipe != INVALID_HANDLE_VALUE)
 690     {
 691         scmdatabase_unlock_startup(service->db);
 692         return ERROR_SERVICE_ALREADY_RUNNING;
 693     }
 694
 695     service->control_mutex = CreateMutexW(NULL, TRUE, NULL);
 696
 697     if (!service->status_changed_event)
 698         service->status_changed_event = CreateEventW(NULL, FALSE, FALSE, NULL);
 699
 700     name = service_get_pipe_name();
 701     service->control_pipe = CreateNamedPipeW(name, PIPE_ACCESS_DUPLEX,
 702                   PIPE_TYPE_BYTE|PIPE_WAIT, 1, 256, 256, 10000, NULL );
 703     HeapFree(GetProcessHeap(), 0, name);
 704     if (service->control_pipe==INVALID_HANDLE_VALUE)
 705     {
 706         WINE_ERR("failed to create pipe for %s, error = %d\n",
 707             wine_dbgstr_w(service->name), GetLastError());
 708         scmdatabase_unlock_startup(service->db);
 709         return GetLastError();
 710     }
 711
 712     err = service_start_process(service, &process_handle);
 713
 714     if (err == ERROR_SUCCESS)
 715     {
 716         if (!service_send_start_message(service, service_argv, service_argc))
 717             err = ERROR_SERVICE_REQUEST_TIMEOUT;
 718     }
 719
 720     if (err == ERROR_SUCCESS)
 721         err = service_wait_for_startup(service, process_handle);
 722
 723     if (process_handle)
 724         CloseHandle(process_handle);
 725
 726     ReleaseMutex(service->control_mutex);
 727     scmdatabase_unlock_startup(service->db);
 728
 729     WINE_TRACE("returning %d\n", err);
 730
 731     return err;
 732 }
 733
 734
 735 int main(int argc, char *argv[])
 736 {
 737     static const WCHAR svcctl_started_event[] = SVCCTL_STARTED_EVENT;
 738     DWORD err;
 739     g_hStartedEvent = CreateEventW(NULL, TRUE, FALSE, svcctl_started_event);
 740     err = scmdatabase_create(&active_database);
 741     if (err != ERROR_SUCCESS)
 742         return err;
 743     if ((err = scmdatabase_load_services(active_database)) != ERROR_SUCCESS)
 744         return err;
 745     if ((err = RPC_Init()) == ERROR_SUCCESS)
 746     {
 747         scmdatabase_autostart_services(active_database);
 748         RPC_MainLoop();
 749     }
 750     scmdatabase_destroy(active_database);
 751     return err;
 752 }