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         const WCHAR *argv[2];
 260         service = services_list[i];
 261         argv[0] = service->name;
 262         argv[1] = NULL;
 263         err = service_start(service, 1, argv);
 264         /* FIXME: do something if the service failed to start */
 265         release_service(service);
 266     }
 267
 268     HeapFree(GetProcessHeap(), 0, services_list);
 269 }
 270
 271 BOOL validate_service_name(LPCWSTR name)
 272 {
 273     return (name && name[0] && !strchrW(name, '/') && !strchrW(name, '\\'));
 274 }
 275
 276 BOOL validate_service_config(struct service_entry *entry)
 277 {
 278     if (entry->config.dwServiceType & SERVICE_WIN32 && (entry->config.lpBinaryPathName == NULL || !entry->config.lpBinaryPathName[0]))
 279     {
 280         WINE_ERR("Service %s is Win32 but has no image path set\n", wine_dbgstr_w(entry->name));
 281         return FALSE;
 282     }
 283
 284     switch (entry->config.dwServiceType)
 285     {
 286     case SERVICE_KERNEL_DRIVER:
 287     case SERVICE_FILE_SYSTEM_DRIVER:
 288     case SERVICE_WIN32_OWN_PROCESS:
 289     case SERVICE_WIN32_SHARE_PROCESS:
 290         /* No problem */
 291         break;
 292     case SERVICE_WIN32_OWN_PROCESS | SERVICE_INTERACTIVE_PROCESS:
 293     case SERVICE_WIN32_SHARE_PROCESS | SERVICE_INTERACTIVE_PROCESS:
 294         /* These can be only run as LocalSystem */
 295         if (entry->config.lpServiceStartName && strcmpiW(entry->config.lpServiceStartName, SZ_LOCAL_SYSTEM) != 0)
 296         {
 297             WINE_ERR("Service %s is interactive but has a start name\n", wine_dbgstr_w(entry->name));
 298             return FALSE;
 299         }
 300         break;
 301     default:
 302         WINE_ERR("Service %s has an unknown service type\n", wine_dbgstr_w(entry->name));
 303         return FALSE;
 304     }
 305
 306     /* StartType can only be a single value (if several values are mixed the result is probably not what was intended) */
 307     if (entry->config.dwStartType > SERVICE_DISABLED)
 308     {
 309         WINE_ERR("Service %s has an unknown start type\n", wine_dbgstr_w(entry->name));
 310         return FALSE;
 311     }
 312
 313     /* SERVICE_BOOT_START and SERVICE_SYSTEM_START are only allowed for driver services */
 314     if (((entry->config.dwStartType == SERVICE_BOOT_START) || (entry->config.dwStartType == SERVICE_SYSTEM_START)) &&
 315         ((entry->config.dwServiceType & SERVICE_WIN32_OWN_PROCESS) || (entry->config.dwServiceType & SERVICE_WIN32_SHARE_PROCESS)))
 316     {
 317         WINE_ERR("Service %s - SERVICE_BOOT_START and SERVICE_SYSTEM_START are only allowed for driver services\n", wine_dbgstr_w(entry->name));
 318         return FALSE;
 319     }
 320
 321     if (entry->config.lpServiceStartName == NULL)
 322         entry->config.lpServiceStartName = strdupW(SZ_LOCAL_SYSTEM);
 323
 324     return TRUE;
 325 }
 326
 327
 328 struct service_entry *scmdatabase_find_service(struct scmdatabase *db, LPCWSTR name)
 329 {
 330     struct service_entry *service;
 331
 332     LIST_FOR_EACH_ENTRY(service, &db->services, struct service_entry, entry)
 333     {
 334         if (strcmpiW(name, service->name) == 0)
 335             return service;
 336     }
 337
 338     return NULL;
 339 }
 340
 341 struct service_entry *scmdatabase_find_service_by_displayname(struct scmdatabase *db, LPCWSTR name)
 342 {
 343     struct service_entry *service;
 344
 345     LIST_FOR_EACH_ENTRY(service, &db->services, struct service_entry, entry)
 346     {
 347         if (strcmpiW(name, service->config.lpDisplayName) == 0)
 348             return service;
 349     }
 350
 351     return NULL;
 352 }
 353
 354 void release_service(struct service_entry *service)
 355 {
 356     if (InterlockedDecrement(&service->ref_count) == 0 && is_marked_for_delete(service))
 357         free_service_entry(service);
 358 }
 359
 360 static DWORD scmdatabase_create(struct scmdatabase **db)
 361 {
 362     DWORD err;
 363
 364     *db = HeapAlloc(GetProcessHeap(), 0, sizeof(**db));
 365     if (!*db)
 366         return ERROR_NOT_ENOUGH_SERVER_MEMORY;
 367
 368     (*db)->service_start_lock = FALSE;
 369     list_init(&(*db)->services);
 370
 371     InitializeCriticalSection(&(*db)->cs);
 372
 373     err = RegCreateKeyExW(HKEY_LOCAL_MACHINE, SZ_SERVICES_KEY, 0, NULL,
 374                           REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL,
 375                           &(*db)->root_key, NULL);
 376     if (err != ERROR_SUCCESS)
 377         HeapFree(GetProcessHeap(), 0, *db);
 378
 379     return err;
 380 }
 381
 382 static void scmdatabase_destroy(struct scmdatabase *db)
 383 {
 384     RegCloseKey(db->root_key);
 385     DeleteCriticalSection(&db->cs);
 386     HeapFree(GetProcessHeap(), 0, db);
 387 }
 388
 389 static DWORD scmdatabase_load_services(struct scmdatabase *db)
 390 {
 391     DWORD err;
 392     int i;
 393
 394     for (i = 0; TRUE; i++)
 395     {
 396         WCHAR szName[MAX_SERVICE_NAME];
 397         struct service_entry *entry;
 398         HKEY hServiceKey;
 399
 400         err = RegEnumKeyW(db->root_key, i, szName, MAX_SERVICE_NAME);
 401         if (err == ERROR_NO_MORE_ITEMS)
 402             break;
 403
 404         if (err != 0)
 405         {
 406             WINE_ERR("Error %d reading key %d name - skipping\n", err, i);
 407             continue;
 408         }
 409
 410         err = service_create(szName, &entry);
 411         if (err != ERROR_SUCCESS)
 412             break;
 413
 414         WINE_TRACE("Loading service %s\n", wine_dbgstr_w(szName));
 415         err = RegOpenKeyExW(db->root_key, szName, 0, KEY_READ | KEY_WRITE, &hServiceKey);
 416         if (err == ERROR_SUCCESS)
 417         {
 418             err = load_service_config(hServiceKey, entry);
 419             RegCloseKey(hServiceKey);
 420         }
 421
 422         if (err != ERROR_SUCCESS)
 423         {
 424             WINE_ERR("Error %d reading registry key for service %s - skipping\n", err, wine_dbgstr_w(szName));
 425             free_service_entry(entry);
 426             continue;
 427         }
 428
 429         if (entry->config.dwServiceType == 0)
 430         {
 431             /* Maybe an application only wrote some configuration in the service key. Continue silently */
 432             WINE_TRACE("Even the service type not set for service %s - skipping\n", wine_dbgstr_w(szName));
 433             free_service_entry(entry);
 434             continue;
 435         }
 436
 437         if (!validate_service_config(entry))
 438         {
 439             WINE_ERR("Invalid configuration of service %s - skipping\n", wine_dbgstr_w(szName));
 440             free_service_entry(entry);
 441             continue;
 442         }
 443
 444         entry->status.dwServiceType = entry->config.dwServiceType;
 445         entry->status.dwCurrentState = SERVICE_STOPPED;
 446         entry->status.dwWin32ExitCode = ERROR_SERVICE_NEVER_STARTED;
 447         entry->db = db;
 448         /* all other fields are zero */
 449
 450         list_add_tail(&db->services, &entry->entry);
 451     }
 452     return ERROR_SUCCESS;
 453 }
 454
 455 DWORD scmdatabase_lock_startup(struct scmdatabase *db)
 456 {
 457     if (InterlockedCompareExchange(&db->service_start_lock, TRUE, FALSE))
 458         return ERROR_SERVICE_DATABASE_LOCKED;
 459     return ERROR_SUCCESS;
 460 }
 461
 462 void scmdatabase_unlock_startup(struct scmdatabase *db)
 463 {
 464     InterlockedCompareExchange(&db->service_start_lock, FALSE, TRUE);
 465 }
 466
 467 void scmdatabase_lock_shared(struct scmdatabase *db)
 468 {
 469     EnterCriticalSection(&db->cs);
 470 }
 471
 472 void scmdatabase_lock_exclusive(struct scmdatabase *db)
 473 {
 474     EnterCriticalSection(&db->cs);
 475 }
 476
 477 void scmdatabase_unlock(struct scmdatabase *db)
 478 {
 479     LeaveCriticalSection(&db->cs);
 480 }
 481
 482 void service_lock_shared(struct service_entry *service)
 483 {
 484     EnterCriticalSection(&service->db->cs);
 485 }
 486
 487 void service_lock_exclusive(struct service_entry *service)
 488 {
 489     EnterCriticalSection(&service->db->cs);
 490 }
 491
 492 void service_unlock(struct service_entry *service)
 493 {
 494     LeaveCriticalSection(&service->db->cs);
 495 }
 496
 497 /* only one service started at a time, so there is no race on the registry
 498  * value here */
 499 static LPWSTR service_get_pipe_name(void)
 500 {
 501     static const WCHAR format[] = { '\\','\\','.','\\','p','i','p','e','\\',
 502         'n','e','t','\\','N','t','C','o','n','t','r','o','l','P','i','p','e','%','u',0};
 503     static const WCHAR service_current_key_str[] = { 'S','Y','S','T','E','M','\\',
 504         'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
 505         'C','o','n','t','r','o','l','\\',
 506         'S','e','r','v','i','c','e','C','u','r','r','e','n','t',0};
 507     LPWSTR name;
 508     DWORD len;
 509     HKEY service_current_key;
 510     DWORD service_current = -1;
 511     LONG ret;
 512     DWORD type;
 513
 514     ret = RegCreateKeyExW(HKEY_LOCAL_MACHINE, service_current_key_str, 0,
 515         NULL, REG_OPTION_VOLATILE, KEY_SET_VALUE | KEY_QUERY_VALUE, NULL,
 516         &service_current_key, NULL);
 517     if (ret != ERROR_SUCCESS)
 518         return NULL;
 519     len = sizeof(service_current);
 520     ret = RegQueryValueExW(service_current_key, NULL, NULL, &type,
 521         (BYTE *)&service_current, &len);
 522     if ((ret == ERROR_SUCCESS && type == REG_DWORD) || ret == ERROR_FILE_NOT_FOUND)
 523     {
 524         service_current++;
 525         RegSetValueExW(service_current_key, NULL, 0, REG_DWORD,
 526             (BYTE *)&service_current, sizeof(service_current));
 527     }
 528     RegCloseKey(service_current_key);
 529     if ((ret != ERROR_SUCCESS || type != REG_DWORD) && (ret != ERROR_FILE_NOT_FOUND))
 530         return NULL;
 531     len = sizeof(format)/sizeof(WCHAR) + 10 /* strlenW("4294967295") */;
 532     name = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 533     if (!name)
 534         return NULL;
 535     snprintfW(name, len, format, service_current);
 536     return name;
 537 }
 538
 539 static DWORD service_start_process(struct service_entry *service_entry, HANDLE *process)
 540 {
 541     PROCESS_INFORMATION pi;
 542     STARTUPINFOW si;
 543     LPWSTR path = NULL;
 544     DWORD size;
 545     BOOL r;
 546
 547     service_lock_exclusive(service_entry);
 548
 549     if (service_entry->config.dwServiceType == SERVICE_KERNEL_DRIVER)
 550     {
 551         static const WCHAR winedeviceW[] = {'\\','w','i','n','e','d','e','v','i','c','e','.','e','x','e',' ',0};
 552         DWORD len = GetSystemDirectoryW( NULL, 0 ) + sizeof(winedeviceW)/sizeof(WCHAR) + strlenW(service_entry->name);
 553
 554         if (!(path = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
 555             return ERROR_NOT_ENOUGH_SERVER_MEMORY;
 556         GetSystemDirectoryW( path, len );
 557         lstrcatW( path, winedeviceW );
 558         lstrcatW( path, service_entry->name );
 559     }
 560     else
 561     {
 562         size = ExpandEnvironmentStringsW(service_entry->config.lpBinaryPathName,NULL,0);
 563         path = HeapAlloc(GetProcessHeap(),0,size*sizeof(WCHAR));
 564         if (!path)
 565             return ERROR_NOT_ENOUGH_SERVER_MEMORY;
 566         ExpandEnvironmentStringsW(service_entry->config.lpBinaryPathName,path,size);
 567     }
 568
 569     ZeroMemory(&si, sizeof(STARTUPINFOW));
 570     si.cb = sizeof(STARTUPINFOW);
 571     if (!(service_entry->config.dwServiceType & SERVICE_INTERACTIVE_PROCESS))
 572     {
 573         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};
 574         si.lpDesktop = desktopW;
 575     }
 576
 577     service_entry->status.dwCurrentState = SERVICE_START_PENDING;
 578     service_entry->status.dwProcessId = pi.dwProcessId;
 579
 580     service_unlock(service_entry);
 581
 582     r = CreateProcessW(NULL, path, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
 583     HeapFree(GetProcessHeap(),0,path);
 584     if (!r)
 585     {
 586         service_lock_exclusive(service_entry);
 587         service_entry->status.dwCurrentState = SERVICE_STOPPED;
 588         service_entry->status.dwProcessId = 0;
 589         service_unlock(service_entry);
 590         return GetLastError();
 591     }
 592
 593     *process = pi.hProcess;
 594     CloseHandle( pi.hThread );
 595
 596     return ERROR_SUCCESS;
 597 }
 598
 599 static DWORD service_wait_for_startup(struct service_entry *service_entry, HANDLE process_handle)
 600 {
 601     WINE_TRACE("%p\n", service_entry);
 602
 603     for (;;)
 604     {
 605         DWORD dwCurrentStatus;
 606         HANDLE handles[2] = { service_entry->status_changed_event, process_handle };
 607         DWORD ret;
 608         ret = WaitForMultipleObjects(sizeof(handles)/sizeof(handles[0]), handles, FALSE, 20000);
 609         if (ret != WAIT_OBJECT_0)
 610             return ERROR_SERVICE_REQUEST_TIMEOUT;
 611         service_lock_shared(service_entry);
 612         dwCurrentStatus = service_entry->status.dwCurrentState;
 613         service_unlock(service_entry);
 614         if (dwCurrentStatus == SERVICE_RUNNING)
 615         {
 616             WINE_TRACE("Service started successfully\n");
 617             return ERROR_SUCCESS;
 618         }
 619         if (dwCurrentStatus != SERVICE_START_PENDING)
 620             return ERROR_SERVICE_REQUEST_TIMEOUT;
 621     }
 622 }
 623
 624 /******************************************************************************
 625  * service_send_start_message
 626  */
 627 static BOOL service_send_start_message(struct service_entry *service, LPCWSTR *argv, DWORD argc)
 628 {
 629     DWORD i, len, count, result;
 630     service_start_info *ssi;
 631     LPWSTR p;
 632     BOOL r;
 633
 634     WINE_TRACE("%s %p %d\n", wine_dbgstr_w(service->name), argv, argc);
 635
 636     /* FIXME: this can block so should be done in another thread */
 637     r = ConnectNamedPipe(service->control_pipe, NULL);
 638     if (!r && GetLastError() != ERROR_PIPE_CONNECTED)
 639     {
 640         WINE_ERR("pipe connect failed\n");
 641         return FALSE;
 642     }
 643
 644     /* calculate how much space do we need to send the startup info */
 645     len = strlenW(service->name) + 1;
 646     for (i=0; i<argc; i++)
 647         len += strlenW(argv[i])+1;
 648     len++;
 649
 650     ssi = HeapAlloc(GetProcessHeap(),0,FIELD_OFFSET(service_start_info, data[len]));
 651     ssi->cmd = WINESERV_STARTINFO;
 652     ssi->control = 0;
 653     ssi->total_size = FIELD_OFFSET(service_start_info, data[len]);
 654     ssi->name_size = strlenW(service->name) + 1;
 655     strcpyW( ssi->data, service->name );
 656
 657     /* copy service args into a single buffer*/
 658     p = &ssi->data[ssi->name_size];
 659     for (i=0; i<argc; i++)
 660     {
 661         strcpyW(p, argv[i]);
 662         p += strlenW(p) + 1;
 663     }
 664     *p=0;
 665
 666     r = WriteFile(service->control_pipe, ssi, ssi->total_size, &count, NULL);
 667     if (r)
 668     {
 669         r = ReadFile(service->control_pipe, &result, sizeof result, &count, NULL);
 670         if (r && result)
 671         {
 672             SetLastError(result);
 673             r = FALSE;
 674         }
 675     }
 676
 677     HeapFree(GetProcessHeap(),0,ssi);
 678
 679     return r;
 680 }
 681
 682 DWORD service_start(struct service_entry *service, DWORD service_argc, LPCWSTR *service_argv)
 683 {
 684     DWORD err;
 685     LPWSTR name;
 686     HANDLE process_handle = NULL;
 687
 688     err = scmdatabase_lock_startup(service->db);
 689     if (err != ERROR_SUCCESS)
 690         return err;
 691
 692     if (service->control_pipe != INVALID_HANDLE_VALUE)
 693     {
 694         scmdatabase_unlock_startup(service->db);
 695         return ERROR_SERVICE_ALREADY_RUNNING;
 696     }
 697
 698     service->control_mutex = CreateMutexW(NULL, TRUE, NULL);
 699
 700     if (!service->status_changed_event)
 701         service->status_changed_event = CreateEventW(NULL, FALSE, FALSE, NULL);
 702
 703     name = service_get_pipe_name();
 704     service->control_pipe = CreateNamedPipeW(name, PIPE_ACCESS_DUPLEX,
 705                   PIPE_TYPE_BYTE|PIPE_WAIT, 1, 256, 256, 10000, NULL );
 706     HeapFree(GetProcessHeap(), 0, name);
 707     if (service->control_pipe==INVALID_HANDLE_VALUE)
 708     {
 709         WINE_ERR("failed to create pipe for %s, error = %d\n",
 710             wine_dbgstr_w(service->name), GetLastError());
 711         scmdatabase_unlock_startup(service->db);
 712         return GetLastError();
 713     }
 714
 715     err = service_start_process(service, &process_handle);
 716
 717     if (err == ERROR_SUCCESS)
 718     {
 719         if (!service_send_start_message(service, service_argv, service_argc))
 720             err = ERROR_SERVICE_REQUEST_TIMEOUT;
 721     }
 722
 723     if (err == ERROR_SUCCESS)
 724         err = service_wait_for_startup(service, process_handle);
 725
 726     if (process_handle)
 727         CloseHandle(process_handle);
 728
 729     ReleaseMutex(service->control_mutex);
 730     scmdatabase_unlock_startup(service->db);
 731
 732     WINE_TRACE("returning %d\n", err);
 733
 734     return err;
 735 }
 736
 737
 738 int main(int argc, char *argv[])
 739 {
 740     static const WCHAR svcctl_started_event[] = SVCCTL_STARTED_EVENT;
 741     DWORD err;
 742     g_hStartedEvent = CreateEventW(NULL, TRUE, FALSE, svcctl_started_event);
 743     err = scmdatabase_create(&active_database);
 744     if (err != ERROR_SUCCESS)
 745         return err;
 746     if ((err = scmdatabase_load_services(active_database)) != ERROR_SUCCESS)
 747         return err;
 748     if ((err = RPC_Init()) == ERROR_SUCCESS)
 749     {
 750         scmdatabase_autostart_services(active_database);
 751         RPC_MainLoop();
 752     }
 753     scmdatabase_destroy(active_database);
 754     return err;
 755 }