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 int is_win64 = (sizeof(void *) > sizeof(int));
  42
  43 static const WCHAR SZ_LOCAL_SYSTEM[] = {'L','o','c','a','l','S','y','s','t','e','m',0};
  44
  45 /* Registry constants */
  46 static const WCHAR SZ_SERVICES_KEY[] = { 'S','y','s','t','e','m','\\',
  47       'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
  48       'S','e','r','v','i','c','e','s',0 };
  49
  50 /* Service key values names */
  51 static const WCHAR SZ_DISPLAY_NAME[]      = {'D','i','s','p','l','a','y','N','a','m','e',0 };
  52 static const WCHAR SZ_TYPE[]              = {'T','y','p','e',0 };
  53 static const WCHAR SZ_START[]             = {'S','t','a','r','t',0 };
  54 static const WCHAR SZ_ERROR[]             = {'E','r','r','o','r','C','o','n','t','r','o','l',0 };
  55 static const WCHAR SZ_IMAGE_PATH[]        = {'I','m','a','g','e','P','a','t','h',0};
  56 static const WCHAR SZ_GROUP[]             = {'G','r','o','u','p',0};
  57 static const WCHAR SZ_DEPEND_ON_SERVICE[] = {'D','e','p','e','n','d','O','n','S','e','r','v','i','c','e',0};
  58 static const WCHAR SZ_DEPEND_ON_GROUP[]   = {'D','e','p','e','n','d','O','n','G','r','o','u','p',0};
  59 static const WCHAR SZ_OBJECT_NAME[]       = {'O','b','j','e','c','t','N','a','m','e',0};
  60 static const WCHAR SZ_TAG[]               = {'T','a','g',0};
  61 static const WCHAR SZ_DESCRIPTION[]       = {'D','e','s','c','r','i','p','t','i','o','n',0};
  62
  63
  64 DWORD service_create(LPCWSTR name, struct service_entry **entry)
  65 {
  66     *entry = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(**entry));
  67     if (!*entry)
  68         return ERROR_NOT_ENOUGH_SERVER_MEMORY;
  69     (*entry)->name = strdupW(name);
  70     if (!(*entry)->name)
  71     {
  72         HeapFree(GetProcessHeap(), 0, *entry);
  73         return ERROR_NOT_ENOUGH_SERVER_MEMORY;
  74     }
  75     (*entry)->control_pipe = INVALID_HANDLE_VALUE;
  76     (*entry)->status.dwCurrentState = SERVICE_STOPPED;
  77     (*entry)->status.dwWin32ExitCode = ERROR_SERVICE_NEVER_STARTED;
  78     /* all other fields are zero */
  79     return ERROR_SUCCESS;
  80 }
  81
  82 void free_service_entry(struct service_entry *entry)
  83 {
  84     HeapFree(GetProcessHeap(), 0, entry->name);
  85     HeapFree(GetProcessHeap(), 0, entry->config.lpBinaryPathName);
  86     HeapFree(GetProcessHeap(), 0, entry->config.lpDependencies);
  87     HeapFree(GetProcessHeap(), 0, entry->config.lpLoadOrderGroup);
  88     HeapFree(GetProcessHeap(), 0, entry->config.lpServiceStartName);
  89     HeapFree(GetProcessHeap(), 0, entry->config.lpDisplayName);
  90     HeapFree(GetProcessHeap(), 0, entry->description);
  91     HeapFree(GetProcessHeap(), 0, entry->dependOnServices);
  92     HeapFree(GetProcessHeap(), 0, entry->dependOnGroups);
  93     CloseHandle(entry->control_mutex);
  94     CloseHandle(entry->control_pipe);
  95     CloseHandle(entry->status_changed_event);
  96     HeapFree(GetProcessHeap(), 0, entry);
  97 }
  98
  99 static DWORD load_service_config(HKEY hKey, struct service_entry *entry)
 100 {
 101     DWORD err;
 102     WCHAR *wptr;
 103
 104     if ((err = load_reg_string(hKey, SZ_IMAGE_PATH,   TRUE, &entry->config.lpBinaryPathName)) != 0)
 105         return err;
 106     if ((err = load_reg_string(hKey, SZ_GROUP,        0,    &entry->config.lpLoadOrderGroup)) != 0)
 107         return err;
 108     if ((err = load_reg_string(hKey, SZ_OBJECT_NAME,  TRUE, &entry->config.lpServiceStartName)) != 0)
 109         return err;
 110     if ((err = load_reg_string(hKey, SZ_DISPLAY_NAME, 0,    &entry->config.lpDisplayName)) != 0)
 111         return err;
 112     if ((err = load_reg_string(hKey, SZ_DESCRIPTION,  0,    &entry->description)) != 0)
 113         return err;
 114     if ((err = load_reg_multisz(hKey, SZ_DEPEND_ON_SERVICE, TRUE, &entry->dependOnServices)) != 0)
 115         return err;
 116     if ((err = load_reg_multisz(hKey, SZ_DEPEND_ON_GROUP, FALSE, &entry->dependOnGroups)) != 0)
 117         return err;
 118
 119     if ((err = load_reg_dword(hKey, SZ_TYPE,  &entry->config.dwServiceType)) != 0)
 120         return err;
 121     if ((err = load_reg_dword(hKey, SZ_START, &entry->config.dwStartType)) != 0)
 122         return err;
 123     if ((err = load_reg_dword(hKey, SZ_ERROR, &entry->config.dwErrorControl)) != 0)
 124         return err;
 125     if ((err = load_reg_dword(hKey, SZ_TAG,   &entry->config.dwTagId)) != 0)
 126         return err;
 127
 128     WINE_TRACE("Image path           = %s\n", wine_dbgstr_w(entry->config.lpBinaryPathName) );
 129     WINE_TRACE("Group                = %s\n", wine_dbgstr_w(entry->config.lpLoadOrderGroup) );
 130     WINE_TRACE("Service account name = %s\n", wine_dbgstr_w(entry->config.lpServiceStartName) );
 131     WINE_TRACE("Display name         = %s\n", wine_dbgstr_w(entry->config.lpDisplayName) );
 132     WINE_TRACE("Service dependencies : %s\n", entry->dependOnServices[0] ? "" : "(none)");
 133     for (wptr = entry->dependOnServices; *wptr; wptr += strlenW(wptr) + 1)
 134         WINE_TRACE("    * %s\n", wine_dbgstr_w(wptr));
 135     WINE_TRACE("Group dependencies   : %s\n", entry->dependOnGroups[0] ? "" : "(none)");
 136     for (wptr = entry->dependOnGroups; *wptr; wptr += strlenW(wptr) + 1)
 137         WINE_TRACE("    * %s\n", wine_dbgstr_w(wptr));
 138
 139     return ERROR_SUCCESS;
 140 }
 141
 142 static DWORD reg_set_string_value(HKEY hKey, LPCWSTR value_name, LPCWSTR string)
 143 {
 144     if (!string)
 145     {
 146         DWORD err;
 147         err = RegDeleteValueW(hKey, value_name);
 148         if (err != ERROR_FILE_NOT_FOUND)
 149             return err;
 150
 151         return ERROR_SUCCESS;
 152     }
 153
 154     return RegSetValueExW(hKey, value_name, 0, REG_SZ, (const BYTE*)string, sizeof(WCHAR)*(strlenW(string) + 1));
 155 }
 156
 157 DWORD save_service_config(struct service_entry *entry)
 158 {
 159     DWORD err;
 160     HKEY hKey = NULL;
 161
 162     err = RegCreateKeyW(entry->db->root_key, entry->name, &hKey);
 163     if (err != ERROR_SUCCESS)
 164         goto cleanup;
 165
 166     if ((err = reg_set_string_value(hKey, SZ_DISPLAY_NAME, entry->config.lpDisplayName)) != 0)
 167         goto cleanup;
 168     if ((err = reg_set_string_value(hKey, SZ_IMAGE_PATH, entry->config.lpBinaryPathName)) != 0)
 169         goto cleanup;
 170     if ((err = reg_set_string_value(hKey, SZ_GROUP, entry->config.lpLoadOrderGroup)) != 0)
 171         goto cleanup;
 172     if ((err = reg_set_string_value(hKey, SZ_OBJECT_NAME, entry->config.lpServiceStartName)) != 0)
 173         goto cleanup;
 174     if ((err = reg_set_string_value(hKey, SZ_DESCRIPTION, entry->description)) != 0)
 175         goto cleanup;
 176     if ((err = RegSetValueExW(hKey, SZ_START, 0, REG_DWORD, (LPBYTE)&entry->config.dwStartType, sizeof(DWORD))) != 0)
 177         goto cleanup;
 178     if ((err = RegSetValueExW(hKey, SZ_ERROR, 0, REG_DWORD, (LPBYTE)&entry->config.dwErrorControl, sizeof(DWORD))) != 0)
 179         goto cleanup;
 180
 181     if ((err = RegSetValueExW(hKey, SZ_TYPE, 0, REG_DWORD, (LPBYTE)&entry->config.dwServiceType, sizeof(DWORD))) != 0)
 182         goto cleanup;
 183
 184     if (entry->config.dwTagId)
 185         err = RegSetValueExW(hKey, SZ_TAG, 0, REG_DWORD, (LPBYTE)&entry->config.dwTagId, sizeof(DWORD));
 186     else
 187         err = RegDeleteValueW(hKey, SZ_TAG);
 188
 189     if (err != 0 && err != ERROR_FILE_NOT_FOUND)
 190         goto cleanup;
 191
 192     err = ERROR_SUCCESS;
 193 cleanup:
 194     RegCloseKey(hKey);
 195     return err;
 196 }
 197
 198 DWORD scmdatabase_add_service(struct scmdatabase *db, struct service_entry *service)
 199 {
 200     int err;
 201     service->db = db;
 202     if ((err = save_service_config(service)) != ERROR_SUCCESS)
 203     {
 204         WINE_ERR("Couldn't store service configuration: error %u\n", err);
 205         return ERROR_GEN_FAILURE;
 206     }
 207
 208     list_add_tail(&db->services, &service->entry);
 209     return ERROR_SUCCESS;
 210 }
 211
 212 DWORD scmdatabase_remove_service(struct scmdatabase *db, struct service_entry *service)
 213 {
 214     int err;
 215
 216     err = RegDeleteTreeW(db->root_key, service->name);
 217
 218     if (err != 0)
 219         return err;
 220
 221     list_remove(&service->entry);
 222     service->entry.next = service->entry.prev = NULL;
 223     return ERROR_SUCCESS;
 224 }
 225
 226 static void scmdatabase_autostart_services(struct scmdatabase *db)
 227 {
 228     struct service_entry **services_list;
 229     unsigned int i = 0;
 230     unsigned int size = 32;
 231     struct service_entry *service;
 232
 233     services_list = HeapAlloc(GetProcessHeap(), 0, size * sizeof(services_list[0]));
 234     if (!services_list)
 235         return;
 236
 237     scmdatabase_lock_shared(db);
 238
 239     LIST_FOR_EACH_ENTRY(service, &db->services, struct service_entry, entry)
 240     {
 241         if (service->config.dwStartType == SERVICE_BOOT_START ||
 242             service->config.dwStartType == SERVICE_SYSTEM_START ||
 243             service->config.dwStartType == SERVICE_AUTO_START)
 244         {
 245             if (i+1 >= size)
 246             {
 247                 struct service_entry **slist_new;
 248                 size *= 2;
 249                 slist_new = HeapReAlloc(GetProcessHeap(), 0, services_list, size * sizeof(services_list[0]));
 250                 if (!slist_new)
 251                     break;
 252                 services_list = slist_new;
 253             }
 254             services_list[i] = service;
 255             service->ref_count++;
 256             i++;
 257         }
 258     }
 259
 260     scmdatabase_unlock(db);
 261
 262     size = i;
 263     for (i = 0; i < size; i++)
 264     {
 265         DWORD err;
 266         const WCHAR *argv[2];
 267         service = services_list[i];
 268         argv[0] = service->name;
 269         argv[1] = NULL;
 270         err = service_start(service, 1, argv);
 271         /* FIXME: do something if the service failed to start */
 272         release_service(service);
 273     }
 274
 275     HeapFree(GetProcessHeap(), 0, services_list);
 276 }
 277
 278 BOOL validate_service_name(LPCWSTR name)
 279 {
 280     return (name && name[0] && !strchrW(name, '/') && !strchrW(name, '\\'));
 281 }
 282
 283 BOOL validate_service_config(struct service_entry *entry)
 284 {
 285     if (entry->config.dwServiceType & SERVICE_WIN32 && (entry->config.lpBinaryPathName == NULL || !entry->config.lpBinaryPathName[0]))
 286     {
 287         WINE_ERR("Service %s is Win32 but has no image path set\n", wine_dbgstr_w(entry->name));
 288         return FALSE;
 289     }
 290
 291     switch (entry->config.dwServiceType)
 292     {
 293     case SERVICE_KERNEL_DRIVER:
 294     case SERVICE_FILE_SYSTEM_DRIVER:
 295     case SERVICE_WIN32_OWN_PROCESS:
 296     case SERVICE_WIN32_SHARE_PROCESS:
 297         /* No problem */
 298         break;
 299     case SERVICE_WIN32_OWN_PROCESS | SERVICE_INTERACTIVE_PROCESS:
 300     case SERVICE_WIN32_SHARE_PROCESS | SERVICE_INTERACTIVE_PROCESS:
 301         /* These can be only run as LocalSystem */
 302         if (entry->config.lpServiceStartName && strcmpiW(entry->config.lpServiceStartName, SZ_LOCAL_SYSTEM) != 0)
 303         {
 304             WINE_ERR("Service %s is interactive but has a start name\n", wine_dbgstr_w(entry->name));
 305             return FALSE;
 306         }
 307         break;
 308     default:
 309         WINE_ERR("Service %s has an unknown service type\n", wine_dbgstr_w(entry->name));
 310         return FALSE;
 311     }
 312
 313     /* StartType can only be a single value (if several values are mixed the result is probably not what was intended) */
 314     if (entry->config.dwStartType > SERVICE_DISABLED)
 315     {
 316         WINE_ERR("Service %s has an unknown start type\n", wine_dbgstr_w(entry->name));
 317         return FALSE;
 318     }
 319
 320     /* SERVICE_BOOT_START and SERVICE_SYSTEM_START are only allowed for driver services */
 321     if (((entry->config.dwStartType == SERVICE_BOOT_START) || (entry->config.dwStartType == SERVICE_SYSTEM_START)) &&
 322         ((entry->config.dwServiceType & SERVICE_WIN32_OWN_PROCESS) || (entry->config.dwServiceType & SERVICE_WIN32_SHARE_PROCESS)))
 323     {
 324         WINE_ERR("Service %s - SERVICE_BOOT_START and SERVICE_SYSTEM_START are only allowed for driver services\n", wine_dbgstr_w(entry->name));
 325         return FALSE;
 326     }
 327
 328     if (entry->config.lpServiceStartName == NULL)
 329         entry->config.lpServiceStartName = strdupW(SZ_LOCAL_SYSTEM);
 330
 331     return TRUE;
 332 }
 333
 334
 335 struct service_entry *scmdatabase_find_service(struct scmdatabase *db, LPCWSTR name)
 336 {
 337     struct service_entry *service;
 338
 339     LIST_FOR_EACH_ENTRY(service, &db->services, struct service_entry, entry)
 340     {
 341         if (strcmpiW(name, service->name) == 0)
 342             return service;
 343     }
 344
 345     return NULL;
 346 }
 347
 348 struct service_entry *scmdatabase_find_service_by_displayname(struct scmdatabase *db, LPCWSTR name)
 349 {
 350     struct service_entry *service;
 351
 352     LIST_FOR_EACH_ENTRY(service, &db->services, struct service_entry, entry)
 353     {
 354         if (service->config.lpDisplayName && strcmpiW(name, service->config.lpDisplayName) == 0)
 355             return service;
 356     }
 357
 358     return NULL;
 359 }
 360
 361 void release_service(struct service_entry *service)
 362 {
 363     if (InterlockedDecrement(&service->ref_count) == 0 && is_marked_for_delete(service))
 364         free_service_entry(service);
 365 }
 366
 367 static DWORD scmdatabase_create(struct scmdatabase **db)
 368 {
 369     DWORD err;
 370
 371     *db = HeapAlloc(GetProcessHeap(), 0, sizeof(**db));
 372     if (!*db)
 373         return ERROR_NOT_ENOUGH_SERVER_MEMORY;
 374
 375     (*db)->service_start_lock = FALSE;
 376     list_init(&(*db)->services);
 377
 378     InitializeCriticalSection(&(*db)->cs);
 379
 380     err = RegCreateKeyExW(HKEY_LOCAL_MACHINE, SZ_SERVICES_KEY, 0, NULL,
 381                           REG_OPTION_NON_VOLATILE, MAXIMUM_ALLOWED, NULL,
 382                           &(*db)->root_key, NULL);
 383     if (err != ERROR_SUCCESS)
 384         HeapFree(GetProcessHeap(), 0, *db);
 385
 386     return err;
 387 }
 388
 389 static void scmdatabase_destroy(struct scmdatabase *db)
 390 {
 391     RegCloseKey(db->root_key);
 392     DeleteCriticalSection(&db->cs);
 393     HeapFree(GetProcessHeap(), 0, db);
 394 }
 395
 396 static DWORD scmdatabase_load_services(struct scmdatabase *db)
 397 {
 398     DWORD err;
 399     int i;
 400
 401     for (i = 0; TRUE; i++)
 402     {
 403         WCHAR szName[MAX_SERVICE_NAME];
 404         struct service_entry *entry;
 405         HKEY hServiceKey;
 406
 407         err = RegEnumKeyW(db->root_key, i, szName, MAX_SERVICE_NAME);
 408         if (err == ERROR_NO_MORE_ITEMS)
 409             break;
 410
 411         if (err != 0)
 412         {
 413             WINE_ERR("Error %d reading key %d name - skipping\n", err, i);
 414             continue;
 415         }
 416
 417         err = service_create(szName, &entry);
 418         if (err != ERROR_SUCCESS)
 419             break;
 420
 421         WINE_TRACE("Loading service %s\n", wine_dbgstr_w(szName));
 422         err = RegOpenKeyExW(db->root_key, szName, 0, KEY_READ, &hServiceKey);
 423         if (err == ERROR_SUCCESS)
 424         {
 425             err = load_service_config(hServiceKey, entry);
 426             RegCloseKey(hServiceKey);
 427         }
 428
 429         if (err != ERROR_SUCCESS)
 430         {
 431             WINE_ERR("Error %d reading registry key for service %s - skipping\n", err, wine_dbgstr_w(szName));
 432             free_service_entry(entry);
 433             continue;
 434         }
 435
 436         if (entry->config.dwServiceType == 0)
 437         {
 438             /* Maybe an application only wrote some configuration in the service key. Continue silently */
 439             WINE_TRACE("Even the service type not set for service %s - skipping\n", wine_dbgstr_w(szName));
 440             free_service_entry(entry);
 441             continue;
 442         }
 443
 444         if (!validate_service_config(entry))
 445         {
 446             WINE_ERR("Invalid configuration of service %s - skipping\n", wine_dbgstr_w(szName));
 447             free_service_entry(entry);
 448             continue;
 449         }
 450
 451         entry->status.dwServiceType = entry->config.dwServiceType;
 452         entry->db = db;
 453
 454         list_add_tail(&db->services, &entry->entry);
 455     }
 456     return ERROR_SUCCESS;
 457 }
 458
 459 DWORD scmdatabase_lock_startup(struct scmdatabase *db)
 460 {
 461     if (InterlockedCompareExchange(&db->service_start_lock, TRUE, FALSE))
 462         return ERROR_SERVICE_DATABASE_LOCKED;
 463     return ERROR_SUCCESS;
 464 }
 465
 466 void scmdatabase_unlock_startup(struct scmdatabase *db)
 467 {
 468     InterlockedCompareExchange(&db->service_start_lock, FALSE, TRUE);
 469 }
 470
 471 void scmdatabase_lock_shared(struct scmdatabase *db)
 472 {
 473     EnterCriticalSection(&db->cs);
 474 }
 475
 476 void scmdatabase_lock_exclusive(struct scmdatabase *db)
 477 {
 478     EnterCriticalSection(&db->cs);
 479 }
 480
 481 void scmdatabase_unlock(struct scmdatabase *db)
 482 {
 483     LeaveCriticalSection(&db->cs);
 484 }
 485
 486 void service_lock_shared(struct service_entry *service)
 487 {
 488     EnterCriticalSection(&service->db->cs);
 489 }
 490
 491 void service_lock_exclusive(struct service_entry *service)
 492 {
 493     EnterCriticalSection(&service->db->cs);
 494 }
 495
 496 void service_unlock(struct service_entry *service)
 497 {
 498     LeaveCriticalSection(&service->db->cs);
 499 }
 500
 501 /* only one service started at a time, so there is no race on the registry
 502  * value here */
 503 static LPWSTR service_get_pipe_name(void)
 504 {
 505     static const WCHAR format[] = { '\\','\\','.','\\','p','i','p','e','\\',
 506         'n','e','t','\\','N','t','C','o','n','t','r','o','l','P','i','p','e','%','u',0};
 507     static const WCHAR service_current_key_str[] = { 'S','Y','S','T','E','M','\\',
 508         'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
 509         'C','o','n','t','r','o','l','\\',
 510         'S','e','r','v','i','c','e','C','u','r','r','e','n','t',0};
 511     LPWSTR name;
 512     DWORD len;
 513     HKEY service_current_key;
 514     DWORD service_current = -1;
 515     LONG ret;
 516     DWORD type;
 517
 518     ret = RegCreateKeyExW(HKEY_LOCAL_MACHINE, service_current_key_str, 0,
 519         NULL, REG_OPTION_VOLATILE, KEY_SET_VALUE | KEY_QUERY_VALUE, NULL,
 520         &service_current_key, NULL);
 521     if (ret != ERROR_SUCCESS)
 522         return NULL;
 523     len = sizeof(service_current);
 524     ret = RegQueryValueExW(service_current_key, NULL, NULL, &type,
 525         (BYTE *)&service_current, &len);
 526     if ((ret == ERROR_SUCCESS && type == REG_DWORD) || ret == ERROR_FILE_NOT_FOUND)
 527     {
 528         service_current++;
 529         RegSetValueExW(service_current_key, NULL, 0, REG_DWORD,
 530             (BYTE *)&service_current, sizeof(service_current));
 531     }
 532     RegCloseKey(service_current_key);
 533     if ((ret != ERROR_SUCCESS || type != REG_DWORD) && (ret != ERROR_FILE_NOT_FOUND))
 534         return NULL;
 535     len = sizeof(format)/sizeof(WCHAR) + 10 /* strlenW("4294967295") */;
 536     name = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 537     if (!name)
 538         return NULL;
 539     snprintfW(name, len, format, service_current);
 540     return name;
 541 }
 542
 543 static DWORD service_start_process(struct service_entry *service_entry, HANDLE *process)
 544 {
 545     PROCESS_INFORMATION pi;
 546     STARTUPINFOW si;
 547     LPWSTR path = NULL;
 548     DWORD size;
 549     BOOL r;
 550
 551     service_lock_exclusive(service_entry);
 552
 553     size = ExpandEnvironmentStringsW(service_entry->config.lpBinaryPathName,NULL,0);
 554     path = HeapAlloc(GetProcessHeap(),0,size*sizeof(WCHAR));
 555     if (!path) return ERROR_NOT_ENOUGH_SERVER_MEMORY;
 556     ExpandEnvironmentStringsW(service_entry->config.lpBinaryPathName,path,size);
 557
 558     if (service_entry->config.dwServiceType == SERVICE_KERNEL_DRIVER)
 559     {
 560         static const WCHAR winedeviceW[] = {'\\','w','i','n','e','d','e','v','i','c','e','.','e','x','e',' ',0};
 561         WCHAR system_dir[MAX_PATH];
 562         DWORD type, len;
 563
 564         GetSystemDirectoryW( system_dir, MAX_PATH );
 565         if (is_win64)
 566         {
 567             if (!GetBinaryTypeW( path, &type ))
 568             {
 569                 HeapFree( GetProcessHeap(), 0, path );
 570                 return GetLastError();
 571             }
 572             if (type == SCS_32BIT_BINARY) GetSystemWow64DirectoryW( system_dir, MAX_PATH );
 573         }
 574
 575         len = strlenW( system_dir ) + sizeof(winedeviceW)/sizeof(WCHAR) + strlenW(service_entry->name);
 576         HeapFree( GetProcessHeap(), 0, path );
 577         if (!(path = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
 578             return ERROR_NOT_ENOUGH_SERVER_MEMORY;
 579         lstrcpyW( path, system_dir );
 580         lstrcatW( path, winedeviceW );
 581         lstrcatW( path, service_entry->name );
 582     }
 583
 584     ZeroMemory(&si, sizeof(STARTUPINFOW));
 585     si.cb = sizeof(STARTUPINFOW);
 586     if (!(service_entry->config.dwServiceType & SERVICE_INTERACTIVE_PROCESS))
 587     {
 588         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};
 589         si.lpDesktop = desktopW;
 590     }
 591
 592     service_entry->status.dwCurrentState = SERVICE_START_PENDING;
 593
 594     service_unlock(service_entry);
 595
 596     r = CreateProcessW(NULL, path, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
 597     HeapFree(GetProcessHeap(),0,path);
 598     if (!r)
 599     {
 600         service_lock_exclusive(service_entry);
 601         service_entry->status.dwCurrentState = SERVICE_STOPPED;
 602         service_unlock(service_entry);
 603         return GetLastError();
 604     }
 605
 606     service_entry->status.dwProcessId = pi.dwProcessId;
 607     *process = pi.hProcess;
 608     CloseHandle( pi.hThread );
 609
 610     return ERROR_SUCCESS;
 611 }
 612
 613 static DWORD service_wait_for_startup(struct service_entry *service_entry, HANDLE process_handle)
 614 {
 615     WINE_TRACE("%p\n", service_entry);
 616
 617     for (;;)
 618     {
 619         DWORD dwCurrentStatus;
 620         HANDLE handles[2] = { service_entry->status_changed_event, process_handle };
 621         DWORD ret;
 622         ret = WaitForMultipleObjects(sizeof(handles)/sizeof(handles[0]), handles, FALSE, 20000);
 623         if (ret != WAIT_OBJECT_0)
 624             return ERROR_SERVICE_REQUEST_TIMEOUT;
 625         service_lock_shared(service_entry);
 626         dwCurrentStatus = service_entry->status.dwCurrentState;
 627         service_unlock(service_entry);
 628         if (dwCurrentStatus == SERVICE_RUNNING)
 629         {
 630             WINE_TRACE("Service started successfully\n");
 631             return ERROR_SUCCESS;
 632         }
 633         if (dwCurrentStatus != SERVICE_START_PENDING)
 634             return ERROR_SERVICE_REQUEST_TIMEOUT;
 635     }
 636 }
 637
 638 /******************************************************************************
 639  * service_send_start_message
 640  */
 641 static BOOL service_send_start_message(struct service_entry *service, LPCWSTR *argv, DWORD argc)
 642 {
 643     DWORD i, len, count, result;
 644     service_start_info *ssi;
 645     LPWSTR p;
 646     BOOL r;
 647
 648     WINE_TRACE("%s %p %d\n", wine_dbgstr_w(service->name), argv, argc);
 649
 650     /* FIXME: this can block so should be done in another thread */
 651     r = ConnectNamedPipe(service->control_pipe, NULL);
 652     if (!r && GetLastError() != ERROR_PIPE_CONNECTED)
 653     {
 654         WINE_ERR("pipe connect failed\n");
 655         return FALSE;
 656     }
 657
 658     /* calculate how much space do we need to send the startup info */
 659     len = strlenW(service->name) + 1;
 660     for (i=0; i<argc; i++)
 661         len += strlenW(argv[i])+1;
 662     len++;
 663
 664     ssi = HeapAlloc(GetProcessHeap(),0,FIELD_OFFSET(service_start_info, data[len]));
 665     ssi->cmd = WINESERV_STARTINFO;
 666     ssi->control = 0;
 667     ssi->total_size = FIELD_OFFSET(service_start_info, data[len]);
 668     ssi->name_size = strlenW(service->name) + 1;
 669     strcpyW( ssi->data, service->name );
 670
 671     /* copy service args into a single buffer*/
 672     p = &ssi->data[ssi->name_size];
 673     for (i=0; i<argc; i++)
 674     {
 675         strcpyW(p, argv[i]);
 676         p += strlenW(p) + 1;
 677     }
 678     *p=0;
 679
 680     r = WriteFile(service->control_pipe, ssi, ssi->total_size, &count, NULL);
 681     if (r)
 682     {
 683         r = ReadFile(service->control_pipe, &result, sizeof result, &count, NULL);
 684         if (r && result)
 685         {
 686             SetLastError(result);
 687             r = FALSE;
 688         }
 689     }
 690
 691     HeapFree(GetProcessHeap(),0,ssi);
 692
 693     return r;
 694 }
 695
 696 DWORD service_start(struct service_entry *service, DWORD service_argc, LPCWSTR *service_argv)
 697 {
 698     DWORD err;
 699     LPWSTR name;
 700     HANDLE process_handle = NULL;
 701
 702     err = scmdatabase_lock_startup(service->db);
 703     if (err != ERROR_SUCCESS)
 704         return err;
 705
 706     if (service->control_pipe != INVALID_HANDLE_VALUE)
 707     {
 708         scmdatabase_unlock_startup(service->db);
 709         return ERROR_SERVICE_ALREADY_RUNNING;
 710     }
 711
 712     service->control_mutex = CreateMutexW(NULL, TRUE, NULL);
 713
 714     if (!service->status_changed_event)
 715         service->status_changed_event = CreateEventW(NULL, FALSE, FALSE, NULL);
 716
 717     name = service_get_pipe_name();
 718     service->control_pipe = CreateNamedPipeW(name, PIPE_ACCESS_DUPLEX,
 719                   PIPE_TYPE_BYTE|PIPE_WAIT, 1, 256, 256, 10000, NULL );
 720     HeapFree(GetProcessHeap(), 0, name);
 721     if (service->control_pipe==INVALID_HANDLE_VALUE)
 722     {
 723         WINE_ERR("failed to create pipe for %s, error = %d\n",
 724             wine_dbgstr_w(service->name), GetLastError());
 725         scmdatabase_unlock_startup(service->db);
 726         return GetLastError();
 727     }
 728
 729     err = service_start_process(service, &process_handle);
 730
 731     if (err == ERROR_SUCCESS)
 732     {
 733         if (!service_send_start_message(service, service_argv, service_argc))
 734             err = ERROR_SERVICE_REQUEST_TIMEOUT;
 735     }
 736
 737     if (err == ERROR_SUCCESS)
 738         err = service_wait_for_startup(service, process_handle);
 739
 740     if (process_handle)
 741         CloseHandle(process_handle);
 742
 743     ReleaseMutex(service->control_mutex);
 744     scmdatabase_unlock_startup(service->db);
 745
 746     WINE_TRACE("returning %d\n", err);
 747
 748     return err;
 749 }
 750
 751
 752 int main(int argc, char *argv[])
 753 {
 754     static const WCHAR svcctl_started_event[] = SVCCTL_STARTED_EVENT;
 755     DWORD err;
 756     g_hStartedEvent = CreateEventW(NULL, TRUE, FALSE, svcctl_started_event);
 757     err = scmdatabase_create(&active_database);
 758     if (err != ERROR_SUCCESS)
 759         return err;
 760     if ((err = scmdatabase_load_services(active_database)) != ERROR_SUCCESS)
 761         return err;
 762     if ((err = RPC_Init()) == ERROR_SUCCESS)
 763     {
 764         scmdatabase_autostart_services(active_database);
 765         RPC_MainLoop();
 766     }
 767     scmdatabase_destroy(active_database);
 768     return err;
 769 }