1023 lines
34 KiB
C
1023 lines
34 KiB
C
/*
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* Services - controls services keeps track of their state
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*
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* Copyright 2007 Google (Mikolaj Zalewski)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#define WIN32_LEAN_AND_MEAN
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#include <stdarg.h>
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#include <windows.h>
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#include <winsvc.h>
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#include <rpc.h>
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#include <userenv.h>
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#include "wine/unicode.h"
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#include "wine/debug.h"
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#include "svcctl.h"
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#include "services.h"
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#define MAX_SERVICE_NAME 260
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WINE_DEFAULT_DEBUG_CHANNEL(service);
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HANDLE g_hStartedEvent;
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struct scmdatabase *active_database;
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DWORD service_pipe_timeout = 10000;
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DWORD service_kill_timeout = 60000;
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static DWORD default_preshutdown_timeout = 180000;
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static void *env = NULL;
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static HKEY service_current_key = NULL;
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static const BOOL is_win64 = (sizeof(void *) > sizeof(int));
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static const WCHAR SZ_LOCAL_SYSTEM[] = {'L','o','c','a','l','S','y','s','t','e','m',0};
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/* Registry constants */
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static const WCHAR SZ_SERVICES_KEY[] = { 'S','y','s','t','e','m','\\',
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'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
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'S','e','r','v','i','c','e','s',0 };
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/* Service key values names */
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static const WCHAR SZ_DISPLAY_NAME[] = {'D','i','s','p','l','a','y','N','a','m','e',0 };
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static const WCHAR SZ_TYPE[] = {'T','y','p','e',0 };
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static const WCHAR SZ_START[] = {'S','t','a','r','t',0 };
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static const WCHAR SZ_ERROR[] = {'E','r','r','o','r','C','o','n','t','r','o','l',0 };
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static const WCHAR SZ_IMAGE_PATH[] = {'I','m','a','g','e','P','a','t','h',0};
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static const WCHAR SZ_GROUP[] = {'G','r','o','u','p',0};
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static const WCHAR SZ_DEPEND_ON_SERVICE[] = {'D','e','p','e','n','d','O','n','S','e','r','v','i','c','e',0};
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static const WCHAR SZ_DEPEND_ON_GROUP[] = {'D','e','p','e','n','d','O','n','G','r','o','u','p',0};
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static const WCHAR SZ_OBJECT_NAME[] = {'O','b','j','e','c','t','N','a','m','e',0};
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static const WCHAR SZ_TAG[] = {'T','a','g',0};
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static const WCHAR SZ_DESCRIPTION[] = {'D','e','s','c','r','i','p','t','i','o','n',0};
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static const WCHAR SZ_PRESHUTDOWN[] = {'P','r','e','s','h','u','t','d','o','w','n','T','i','m','e','o','u','t',0};
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static const WCHAR SZ_WOW64[] = {'W','O','W','6','4',0};
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static DWORD process_create(const WCHAR *name, struct process_entry **entry)
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{
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DWORD err;
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*entry = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(**entry));
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if (!*entry)
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return ERROR_NOT_ENOUGH_SERVER_MEMORY;
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(*entry)->ref_count = 1;
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(*entry)->control_mutex = CreateMutexW(NULL, TRUE, NULL);
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if (!(*entry)->control_mutex)
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goto error;
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(*entry)->overlapped_event = CreateEventW(NULL, TRUE, FALSE, NULL);
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if (!(*entry)->overlapped_event)
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goto error;
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(*entry)->status_changed_event = CreateEventW(NULL, FALSE, FALSE, NULL);
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if (!(*entry)->status_changed_event)
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goto error;
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(*entry)->control_pipe = CreateNamedPipeW(name, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
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PIPE_TYPE_BYTE|PIPE_WAIT, 1, 256, 256, 10000, NULL);
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if ((*entry)->control_pipe == INVALID_HANDLE_VALUE)
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goto error;
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/* all other fields are zero */
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return ERROR_SUCCESS;
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error:
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err = GetLastError();
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if ((*entry)->control_mutex)
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CloseHandle((*entry)->control_mutex);
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if ((*entry)->overlapped_event)
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CloseHandle((*entry)->overlapped_event);
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if ((*entry)->status_changed_event)
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CloseHandle((*entry)->status_changed_event);
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HeapFree(GetProcessHeap(), 0, *entry);
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return err;
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}
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static void free_process_entry(struct process_entry *entry)
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{
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CloseHandle(entry->process);
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CloseHandle(entry->control_mutex);
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CloseHandle(entry->control_pipe);
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CloseHandle(entry->overlapped_event);
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CloseHandle(entry->status_changed_event);
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HeapFree(GetProcessHeap(), 0, entry);
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}
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DWORD service_create(LPCWSTR name, struct service_entry **entry)
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{
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*entry = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(**entry));
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if (!*entry)
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return ERROR_NOT_ENOUGH_SERVER_MEMORY;
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(*entry)->name = strdupW(name);
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if (!(*entry)->name)
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{
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HeapFree(GetProcessHeap(), 0, *entry);
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return ERROR_NOT_ENOUGH_SERVER_MEMORY;
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}
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(*entry)->ref_count = 1;
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(*entry)->status.dwCurrentState = SERVICE_STOPPED;
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(*entry)->status.dwWin32ExitCode = ERROR_SERVICE_NEVER_STARTED;
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(*entry)->preshutdown_timeout = default_preshutdown_timeout;
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/* all other fields are zero */
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return ERROR_SUCCESS;
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}
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void free_service_entry(struct service_entry *entry)
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{
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HeapFree(GetProcessHeap(), 0, entry->name);
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HeapFree(GetProcessHeap(), 0, entry->config.lpBinaryPathName);
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HeapFree(GetProcessHeap(), 0, entry->config.lpDependencies);
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HeapFree(GetProcessHeap(), 0, entry->config.lpLoadOrderGroup);
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HeapFree(GetProcessHeap(), 0, entry->config.lpServiceStartName);
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HeapFree(GetProcessHeap(), 0, entry->config.lpDisplayName);
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HeapFree(GetProcessHeap(), 0, entry->description);
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HeapFree(GetProcessHeap(), 0, entry->dependOnServices);
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HeapFree(GetProcessHeap(), 0, entry->dependOnGroups);
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if (entry->process) release_process(entry->process);
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HeapFree(GetProcessHeap(), 0, entry);
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}
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static DWORD load_service_config(HKEY hKey, struct service_entry *entry)
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{
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DWORD err, value = 0;
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WCHAR *wptr;
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if ((err = load_reg_string(hKey, SZ_IMAGE_PATH, TRUE, &entry->config.lpBinaryPathName)) != 0)
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return err;
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if ((err = load_reg_string(hKey, SZ_GROUP, 0, &entry->config.lpLoadOrderGroup)) != 0)
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return err;
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if ((err = load_reg_string(hKey, SZ_OBJECT_NAME, TRUE, &entry->config.lpServiceStartName)) != 0)
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return err;
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if ((err = load_reg_string(hKey, SZ_DISPLAY_NAME, 0, &entry->config.lpDisplayName)) != 0)
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return err;
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if ((err = load_reg_string(hKey, SZ_DESCRIPTION, 0, &entry->description)) != 0)
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return err;
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if ((err = load_reg_multisz(hKey, SZ_DEPEND_ON_SERVICE, TRUE, &entry->dependOnServices)) != 0)
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return err;
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if ((err = load_reg_multisz(hKey, SZ_DEPEND_ON_GROUP, FALSE, &entry->dependOnGroups)) != 0)
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return err;
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if ((err = load_reg_dword(hKey, SZ_TYPE, &entry->config.dwServiceType)) != 0)
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return err;
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if ((err = load_reg_dword(hKey, SZ_START, &entry->config.dwStartType)) != 0)
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return err;
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if ((err = load_reg_dword(hKey, SZ_ERROR, &entry->config.dwErrorControl)) != 0)
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return err;
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if ((err = load_reg_dword(hKey, SZ_TAG, &entry->config.dwTagId)) != 0)
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return err;
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if ((err = load_reg_dword(hKey, SZ_PRESHUTDOWN, &entry->preshutdown_timeout)) != 0)
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return err;
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if (load_reg_dword(hKey, SZ_WOW64, &value) == 0 && value == 1)
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entry->is_wow64 = TRUE;
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WINE_TRACE("Image path = %s\n", wine_dbgstr_w(entry->config.lpBinaryPathName) );
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WINE_TRACE("Group = %s\n", wine_dbgstr_w(entry->config.lpLoadOrderGroup) );
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WINE_TRACE("Service account name = %s\n", wine_dbgstr_w(entry->config.lpServiceStartName) );
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WINE_TRACE("Display name = %s\n", wine_dbgstr_w(entry->config.lpDisplayName) );
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WINE_TRACE("Service dependencies : %s\n", entry->dependOnServices[0] ? "" : "(none)");
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for (wptr = entry->dependOnServices; *wptr; wptr += strlenW(wptr) + 1)
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WINE_TRACE(" * %s\n", wine_dbgstr_w(wptr));
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WINE_TRACE("Group dependencies : %s\n", entry->dependOnGroups[0] ? "" : "(none)");
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for (wptr = entry->dependOnGroups; *wptr; wptr += strlenW(wptr) + 1)
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WINE_TRACE(" * %s\n", wine_dbgstr_w(wptr));
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return ERROR_SUCCESS;
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}
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static DWORD reg_set_string_value(HKEY hKey, LPCWSTR value_name, LPCWSTR string)
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{
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if (!string)
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{
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DWORD err;
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err = RegDeleteValueW(hKey, value_name);
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if (err != ERROR_FILE_NOT_FOUND)
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return err;
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return ERROR_SUCCESS;
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}
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return RegSetValueExW(hKey, value_name, 0, REG_SZ, (const BYTE*)string, sizeof(WCHAR)*(strlenW(string) + 1));
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}
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static DWORD reg_set_multisz_value(HKEY hKey, LPCWSTR value_name, LPCWSTR string)
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{
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const WCHAR *ptr;
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if (!string)
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{
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DWORD err;
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err = RegDeleteValueW(hKey, value_name);
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if (err != ERROR_FILE_NOT_FOUND)
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return err;
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return ERROR_SUCCESS;
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}
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ptr = string;
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while (*ptr) ptr += strlenW(ptr) + 1;
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return RegSetValueExW(hKey, value_name, 0, REG_MULTI_SZ, (const BYTE*)string, sizeof(WCHAR)*(ptr - string + 1));
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}
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DWORD save_service_config(struct service_entry *entry)
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{
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DWORD err;
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HKEY hKey = NULL;
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err = RegCreateKeyW(entry->db->root_key, entry->name, &hKey);
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if (err != ERROR_SUCCESS)
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goto cleanup;
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if ((err = reg_set_string_value(hKey, SZ_DISPLAY_NAME, entry->config.lpDisplayName)) != 0)
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goto cleanup;
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if ((err = reg_set_string_value(hKey, SZ_IMAGE_PATH, entry->config.lpBinaryPathName)) != 0)
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goto cleanup;
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if ((err = reg_set_string_value(hKey, SZ_GROUP, entry->config.lpLoadOrderGroup)) != 0)
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goto cleanup;
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if ((err = reg_set_string_value(hKey, SZ_OBJECT_NAME, entry->config.lpServiceStartName)) != 0)
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goto cleanup;
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if ((err = reg_set_string_value(hKey, SZ_DESCRIPTION, entry->description)) != 0)
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goto cleanup;
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if ((err = reg_set_multisz_value(hKey, SZ_DEPEND_ON_SERVICE, entry->dependOnServices)) != 0)
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goto cleanup;
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if ((err = reg_set_multisz_value(hKey, SZ_DEPEND_ON_GROUP, entry->dependOnGroups)) != 0)
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goto cleanup;
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if ((err = RegSetValueExW(hKey, SZ_START, 0, REG_DWORD, (LPBYTE)&entry->config.dwStartType, sizeof(DWORD))) != 0)
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goto cleanup;
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if ((err = RegSetValueExW(hKey, SZ_ERROR, 0, REG_DWORD, (LPBYTE)&entry->config.dwErrorControl, sizeof(DWORD))) != 0)
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goto cleanup;
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if ((err = RegSetValueExW(hKey, SZ_TYPE, 0, REG_DWORD, (LPBYTE)&entry->config.dwServiceType, sizeof(DWORD))) != 0)
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goto cleanup;
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if ((err = RegSetValueExW(hKey, SZ_PRESHUTDOWN, 0, REG_DWORD, (LPBYTE)&entry->preshutdown_timeout, sizeof(DWORD))) != 0)
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goto cleanup;
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if ((err = RegSetValueExW(hKey, SZ_PRESHUTDOWN, 0, REG_DWORD, (LPBYTE)&entry->preshutdown_timeout, sizeof(DWORD))) != 0)
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goto cleanup;
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if (entry->is_wow64)
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{
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const DWORD is_wow64 = 1;
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if ((err = RegSetValueExW(hKey, SZ_WOW64, 0, REG_DWORD, (LPBYTE)&is_wow64, sizeof(DWORD))) != 0)
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goto cleanup;
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}
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if (entry->config.dwTagId)
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err = RegSetValueExW(hKey, SZ_TAG, 0, REG_DWORD, (LPBYTE)&entry->config.dwTagId, sizeof(DWORD));
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else
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err = RegDeleteValueW(hKey, SZ_TAG);
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if (err != 0 && err != ERROR_FILE_NOT_FOUND)
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goto cleanup;
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err = ERROR_SUCCESS;
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cleanup:
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RegCloseKey(hKey);
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return err;
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}
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static void scmdatabase_add_process(struct scmdatabase *db, struct process_entry *process)
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{
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process->db = db;
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list_add_tail(&db->processes, &process->entry);
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}
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|
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static void scmdatabase_remove_process(struct scmdatabase *db, struct process_entry *process)
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{
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list_remove(&process->entry);
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process->entry.next = process->entry.prev = NULL;
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}
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|
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DWORD scmdatabase_add_service(struct scmdatabase *db, struct service_entry *service)
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{
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int err;
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service->db = db;
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if ((err = save_service_config(service)) != ERROR_SUCCESS)
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{
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WINE_ERR("Couldn't store service configuration: error %u\n", err);
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return ERROR_GEN_FAILURE;
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}
|
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|
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list_add_tail(&db->services, &service->entry);
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return ERROR_SUCCESS;
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}
|
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|
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static void scmdatabase_remove_service(struct scmdatabase *db, struct service_entry *service)
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{
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RegDeleteTreeW(db->root_key, service->name);
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list_remove(&service->entry);
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service->entry.next = service->entry.prev = NULL;
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}
|
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|
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static void scmdatabase_autostart_services(struct scmdatabase *db)
|
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{
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struct service_entry **services_list;
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unsigned int i = 0;
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unsigned int size = 32;
|
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struct service_entry *service;
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|
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services_list = HeapAlloc(GetProcessHeap(), 0, size * sizeof(services_list[0]));
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if (!services_list)
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return;
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|
|
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scmdatabase_lock(db);
|
|
|
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LIST_FOR_EACH_ENTRY(service, &db->services, struct service_entry, entry)
|
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{
|
|
if (service->config.dwStartType == SERVICE_BOOT_START ||
|
|
service->config.dwStartType == SERVICE_SYSTEM_START ||
|
|
service->config.dwStartType == SERVICE_AUTO_START)
|
|
{
|
|
if (i+1 >= size)
|
|
{
|
|
struct service_entry **slist_new;
|
|
size *= 2;
|
|
slist_new = HeapReAlloc(GetProcessHeap(), 0, services_list, size * sizeof(services_list[0]));
|
|
if (!slist_new)
|
|
break;
|
|
services_list = slist_new;
|
|
}
|
|
services_list[i] = service;
|
|
InterlockedIncrement(&service->ref_count);
|
|
i++;
|
|
}
|
|
}
|
|
|
|
scmdatabase_unlock(db);
|
|
|
|
size = i;
|
|
for (i = 0; i < size; i++)
|
|
{
|
|
DWORD err;
|
|
service = services_list[i];
|
|
err = service_start(service, 0, NULL);
|
|
if (err != ERROR_SUCCESS)
|
|
WINE_FIXME("Auto-start service %s failed to start: %d\n",
|
|
wine_dbgstr_w(service->name), err);
|
|
release_service(service);
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, services_list);
|
|
}
|
|
|
|
static void scmdatabase_wait_terminate(struct scmdatabase *db)
|
|
{
|
|
struct list pending = LIST_INIT(pending);
|
|
void *ptr;
|
|
|
|
scmdatabase_lock(db);
|
|
list_move_tail(&pending, &db->processes);
|
|
while ((ptr = list_head(&pending)))
|
|
{
|
|
struct process_entry *process = grab_process(LIST_ENTRY(ptr, struct process_entry, entry));
|
|
|
|
scmdatabase_unlock(db);
|
|
WaitForSingleObject(process->process, INFINITE);
|
|
scmdatabase_lock(db);
|
|
|
|
list_remove(&process->entry);
|
|
list_add_tail(&db->processes, &process->entry);
|
|
release_process(process);
|
|
}
|
|
scmdatabase_unlock(db);
|
|
}
|
|
|
|
BOOL validate_service_name(LPCWSTR name)
|
|
{
|
|
return (name && name[0] && !strchrW(name, '/') && !strchrW(name, '\\'));
|
|
}
|
|
|
|
BOOL validate_service_config(struct service_entry *entry)
|
|
{
|
|
if (entry->config.dwServiceType & SERVICE_WIN32 && (entry->config.lpBinaryPathName == NULL || !entry->config.lpBinaryPathName[0]))
|
|
{
|
|
WINE_ERR("Service %s is Win32 but has no image path set\n", wine_dbgstr_w(entry->name));
|
|
return FALSE;
|
|
}
|
|
|
|
switch (entry->config.dwServiceType)
|
|
{
|
|
case SERVICE_KERNEL_DRIVER:
|
|
case SERVICE_FILE_SYSTEM_DRIVER:
|
|
case SERVICE_WIN32_OWN_PROCESS:
|
|
case SERVICE_WIN32_SHARE_PROCESS:
|
|
/* No problem */
|
|
break;
|
|
case SERVICE_WIN32_OWN_PROCESS | SERVICE_INTERACTIVE_PROCESS:
|
|
case SERVICE_WIN32_SHARE_PROCESS | SERVICE_INTERACTIVE_PROCESS:
|
|
/* These can be only run as LocalSystem */
|
|
if (entry->config.lpServiceStartName && strcmpiW(entry->config.lpServiceStartName, SZ_LOCAL_SYSTEM) != 0)
|
|
{
|
|
WINE_ERR("Service %s is interactive but has a start name\n", wine_dbgstr_w(entry->name));
|
|
return FALSE;
|
|
}
|
|
break;
|
|
default:
|
|
WINE_ERR("Service %s has an unknown service type (0x%x)\n", wine_dbgstr_w(entry->name), entry->config.dwServiceType);
|
|
return FALSE;
|
|
}
|
|
|
|
/* StartType can only be a single value (if several values are mixed the result is probably not what was intended) */
|
|
if (entry->config.dwStartType > SERVICE_DISABLED)
|
|
{
|
|
WINE_ERR("Service %s has an unknown start type\n", wine_dbgstr_w(entry->name));
|
|
return FALSE;
|
|
}
|
|
|
|
/* SERVICE_BOOT_START and SERVICE_SYSTEM_START are only allowed for driver services */
|
|
if (((entry->config.dwStartType == SERVICE_BOOT_START) || (entry->config.dwStartType == SERVICE_SYSTEM_START)) &&
|
|
((entry->config.dwServiceType & SERVICE_WIN32_OWN_PROCESS) || (entry->config.dwServiceType & SERVICE_WIN32_SHARE_PROCESS)))
|
|
{
|
|
WINE_ERR("Service %s - SERVICE_BOOT_START and SERVICE_SYSTEM_START are only allowed for driver services\n", wine_dbgstr_w(entry->name));
|
|
return FALSE;
|
|
}
|
|
|
|
if (entry->config.lpServiceStartName == NULL)
|
|
entry->config.lpServiceStartName = strdupW(SZ_LOCAL_SYSTEM);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
struct service_entry *scmdatabase_find_service(struct scmdatabase *db, LPCWSTR name)
|
|
{
|
|
struct service_entry *service;
|
|
|
|
LIST_FOR_EACH_ENTRY(service, &db->services, struct service_entry, entry)
|
|
{
|
|
if (strcmpiW(name, service->name) == 0)
|
|
return service;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
struct service_entry *scmdatabase_find_service_by_displayname(struct scmdatabase *db, LPCWSTR name)
|
|
{
|
|
struct service_entry *service;
|
|
|
|
LIST_FOR_EACH_ENTRY(service, &db->services, struct service_entry, entry)
|
|
{
|
|
if (service->config.lpDisplayName && strcmpiW(name, service->config.lpDisplayName) == 0)
|
|
return service;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
struct process_entry *grab_process(struct process_entry *process)
|
|
{
|
|
if (process)
|
|
InterlockedIncrement(&process->ref_count);
|
|
return process;
|
|
}
|
|
|
|
void release_process(struct process_entry *process)
|
|
{
|
|
struct scmdatabase *db = process->db;
|
|
|
|
scmdatabase_lock(db);
|
|
if (InterlockedDecrement(&process->ref_count) == 0)
|
|
{
|
|
scmdatabase_remove_process(db, process);
|
|
free_process_entry(process);
|
|
}
|
|
scmdatabase_unlock(db);
|
|
}
|
|
|
|
void release_service(struct service_entry *service)
|
|
{
|
|
struct scmdatabase *db = service->db;
|
|
|
|
scmdatabase_lock(db);
|
|
if (InterlockedDecrement(&service->ref_count) == 0 && is_marked_for_delete(service))
|
|
{
|
|
scmdatabase_remove_service(db, service);
|
|
free_service_entry(service);
|
|
}
|
|
scmdatabase_unlock(db);
|
|
}
|
|
|
|
static DWORD scmdatabase_create(struct scmdatabase **db)
|
|
{
|
|
DWORD err;
|
|
|
|
*db = HeapAlloc(GetProcessHeap(), 0, sizeof(**db));
|
|
if (!*db)
|
|
return ERROR_NOT_ENOUGH_SERVER_MEMORY;
|
|
|
|
(*db)->service_start_lock = FALSE;
|
|
list_init(&(*db)->processes);
|
|
list_init(&(*db)->services);
|
|
|
|
InitializeCriticalSection(&(*db)->cs);
|
|
(*db)->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": scmdatabase");
|
|
|
|
err = RegCreateKeyExW(HKEY_LOCAL_MACHINE, SZ_SERVICES_KEY, 0, NULL,
|
|
REG_OPTION_NON_VOLATILE, MAXIMUM_ALLOWED, NULL,
|
|
&(*db)->root_key, NULL);
|
|
if (err != ERROR_SUCCESS)
|
|
HeapFree(GetProcessHeap(), 0, *db);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void scmdatabase_destroy(struct scmdatabase *db)
|
|
{
|
|
RegCloseKey(db->root_key);
|
|
db->cs.DebugInfo->Spare[0] = 0;
|
|
DeleteCriticalSection(&db->cs);
|
|
HeapFree(GetProcessHeap(), 0, db);
|
|
}
|
|
|
|
static DWORD scmdatabase_load_services(struct scmdatabase *db)
|
|
{
|
|
DWORD err;
|
|
int i;
|
|
|
|
for (i = 0; TRUE; i++)
|
|
{
|
|
WCHAR szName[MAX_SERVICE_NAME];
|
|
struct service_entry *entry;
|
|
HKEY hServiceKey;
|
|
|
|
err = RegEnumKeyW(db->root_key, i, szName, MAX_SERVICE_NAME);
|
|
if (err == ERROR_NO_MORE_ITEMS)
|
|
break;
|
|
|
|
if (err != 0)
|
|
{
|
|
WINE_ERR("Error %d reading key %d name - skipping\n", err, i);
|
|
continue;
|
|
}
|
|
|
|
err = service_create(szName, &entry);
|
|
if (err != ERROR_SUCCESS)
|
|
break;
|
|
|
|
WINE_TRACE("Loading service %s\n", wine_dbgstr_w(szName));
|
|
err = RegOpenKeyExW(db->root_key, szName, 0, KEY_READ, &hServiceKey);
|
|
if (err == ERROR_SUCCESS)
|
|
{
|
|
err = load_service_config(hServiceKey, entry);
|
|
RegCloseKey(hServiceKey);
|
|
}
|
|
|
|
if (err != ERROR_SUCCESS)
|
|
{
|
|
WINE_ERR("Error %d reading registry key for service %s - skipping\n", err, wine_dbgstr_w(szName));
|
|
free_service_entry(entry);
|
|
continue;
|
|
}
|
|
|
|
if (entry->config.dwServiceType == 0)
|
|
{
|
|
/* Maybe an application only wrote some configuration in the service key. Continue silently */
|
|
WINE_TRACE("Even the service type not set for service %s - skipping\n", wine_dbgstr_w(szName));
|
|
free_service_entry(entry);
|
|
continue;
|
|
}
|
|
|
|
if (!validate_service_config(entry))
|
|
{
|
|
WINE_ERR("Invalid configuration of service %s - skipping\n", wine_dbgstr_w(szName));
|
|
free_service_entry(entry);
|
|
continue;
|
|
}
|
|
|
|
entry->status.dwServiceType = entry->config.dwServiceType;
|
|
entry->db = db;
|
|
|
|
list_add_tail(&db->services, &entry->entry);
|
|
release_service(entry);
|
|
}
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
DWORD scmdatabase_lock_startup(struct scmdatabase *db)
|
|
{
|
|
if (InterlockedCompareExchange(&db->service_start_lock, TRUE, FALSE))
|
|
return ERROR_SERVICE_DATABASE_LOCKED;
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
void scmdatabase_unlock_startup(struct scmdatabase *db)
|
|
{
|
|
InterlockedCompareExchange(&db->service_start_lock, FALSE, TRUE);
|
|
}
|
|
|
|
void scmdatabase_lock(struct scmdatabase *db)
|
|
{
|
|
EnterCriticalSection(&db->cs);
|
|
}
|
|
|
|
void scmdatabase_unlock(struct scmdatabase *db)
|
|
{
|
|
LeaveCriticalSection(&db->cs);
|
|
}
|
|
|
|
void service_lock(struct service_entry *service)
|
|
{
|
|
EnterCriticalSection(&service->db->cs);
|
|
}
|
|
|
|
void service_unlock(struct service_entry *service)
|
|
{
|
|
LeaveCriticalSection(&service->db->cs);
|
|
}
|
|
|
|
/* only one service started at a time, so there is no race on the registry
|
|
* value here */
|
|
static LPWSTR service_get_pipe_name(void)
|
|
{
|
|
static const WCHAR format[] = { '\\','\\','.','\\','p','i','p','e','\\',
|
|
'n','e','t','\\','N','t','C','o','n','t','r','o','l','P','i','p','e','%','u',0};
|
|
static WCHAR name[sizeof(format)/sizeof(WCHAR) + 10]; /* strlenW("4294967295") */
|
|
static DWORD service_current = 0;
|
|
DWORD len, value = -1;
|
|
LONG ret;
|
|
DWORD type;
|
|
|
|
len = sizeof(value);
|
|
ret = RegQueryValueExW(service_current_key, NULL, NULL, &type,
|
|
(BYTE *)&value, &len);
|
|
if (ret == ERROR_SUCCESS && type == REG_DWORD)
|
|
service_current = max(service_current, value + 1);
|
|
RegSetValueExW(service_current_key, NULL, 0, REG_DWORD,
|
|
(BYTE *)&service_current, sizeof(service_current));
|
|
sprintfW(name, format, service_current);
|
|
service_current++;
|
|
return name;
|
|
}
|
|
|
|
static DWORD get_service_binary_path(const struct service_entry *service_entry, WCHAR **path)
|
|
{
|
|
DWORD size = ExpandEnvironmentStringsW(service_entry->config.lpBinaryPathName, NULL, 0);
|
|
|
|
*path = HeapAlloc(GetProcessHeap(), 0, size*sizeof(WCHAR));
|
|
if (!*path)
|
|
return ERROR_NOT_ENOUGH_SERVER_MEMORY;
|
|
|
|
ExpandEnvironmentStringsW(service_entry->config.lpBinaryPathName, *path, size);
|
|
|
|
if (service_entry->config.dwServiceType == SERVICE_KERNEL_DRIVER ||
|
|
service_entry->config.dwServiceType == SERVICE_FILE_SYSTEM_DRIVER)
|
|
{
|
|
static const WCHAR winedeviceW[] = {'\\','w','i','n','e','d','e','v','i','c','e','.','e','x','e',' ',0};
|
|
WCHAR system_dir[MAX_PATH];
|
|
DWORD type, len;
|
|
|
|
GetSystemDirectoryW( system_dir, MAX_PATH );
|
|
if (is_win64)
|
|
{
|
|
if (!GetBinaryTypeW( *path, &type ))
|
|
{
|
|
HeapFree( GetProcessHeap(), 0, *path );
|
|
return GetLastError();
|
|
}
|
|
if (type == SCS_32BIT_BINARY) GetSystemWow64DirectoryW( system_dir, MAX_PATH );
|
|
}
|
|
|
|
len = strlenW( system_dir ) + sizeof(winedeviceW)/sizeof(WCHAR) + strlenW(service_entry->name);
|
|
HeapFree( GetProcessHeap(), 0, *path );
|
|
if (!(*path = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
|
|
return ERROR_NOT_ENOUGH_SERVER_MEMORY;
|
|
|
|
lstrcpyW( *path, system_dir );
|
|
lstrcatW( *path, winedeviceW );
|
|
lstrcatW( *path, service_entry->name );
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
/* if service image is configured to systemdir, redirect it to wow64 systemdir */
|
|
if (service_entry->is_wow64)
|
|
{
|
|
WCHAR system_dir[MAX_PATH], *redirected;
|
|
DWORD len;
|
|
|
|
GetSystemDirectoryW( system_dir, MAX_PATH );
|
|
len = strlenW( system_dir );
|
|
|
|
if (strncmpiW( system_dir, *path, len ))
|
|
return ERROR_SUCCESS;
|
|
|
|
GetSystemWow64DirectoryW( system_dir, MAX_PATH );
|
|
|
|
redirected = HeapAlloc( GetProcessHeap(), 0, (strlenW( *path ) + strlenW( system_dir ))*sizeof(WCHAR));
|
|
if (!redirected)
|
|
{
|
|
HeapFree( GetProcessHeap(), 0, *path );
|
|
return ERROR_NOT_ENOUGH_SERVER_MEMORY;
|
|
}
|
|
|
|
strcpyW( redirected, system_dir );
|
|
strcatW( redirected, &(*path)[len] );
|
|
HeapFree( GetProcessHeap(), 0, *path );
|
|
*path = redirected;
|
|
TRACE("redirected to %s\n", debugstr_w(redirected));
|
|
}
|
|
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
static DWORD service_start_process(struct service_entry *service_entry, struct process_entry **new_process)
|
|
{
|
|
struct process_entry *process;
|
|
PROCESS_INFORMATION pi;
|
|
STARTUPINFOW si;
|
|
LPWSTR path = NULL;
|
|
DWORD err;
|
|
BOOL r;
|
|
|
|
service_lock(service_entry);
|
|
|
|
if ((process = service_entry->process))
|
|
{
|
|
if (WaitForSingleObject(process->process, 0) == WAIT_TIMEOUT)
|
|
{
|
|
service_unlock(service_entry);
|
|
return ERROR_SERVICE_ALREADY_RUNNING;
|
|
}
|
|
release_process(process);
|
|
service_entry->process = NULL;
|
|
}
|
|
|
|
service_entry->force_shutdown = FALSE;
|
|
|
|
if ((err = process_create(service_get_pipe_name(), &process)))
|
|
{
|
|
WINE_ERR("failed to create process object for %s, error = %u\n",
|
|
wine_dbgstr_w(service_entry->name), err);
|
|
service_unlock(service_entry);
|
|
return err;
|
|
}
|
|
|
|
if ((err = get_service_binary_path(service_entry, &path)))
|
|
{
|
|
service_unlock(service_entry);
|
|
free_process_entry(process);
|
|
return err;
|
|
}
|
|
|
|
ZeroMemory(&si, sizeof(STARTUPINFOW));
|
|
si.cb = sizeof(STARTUPINFOW);
|
|
if (!(service_entry->config.dwServiceType & SERVICE_INTERACTIVE_PROCESS))
|
|
{
|
|
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};
|
|
si.lpDesktop = desktopW;
|
|
}
|
|
|
|
service_entry->status.dwCurrentState = SERVICE_START_PENDING;
|
|
scmdatabase_add_process(service_entry->db, process);
|
|
service_entry->process = grab_process(process);
|
|
|
|
service_unlock(service_entry);
|
|
|
|
r = CreateProcessW(NULL, path, NULL, NULL, FALSE, CREATE_UNICODE_ENVIRONMENT, env, NULL, &si, &pi);
|
|
HeapFree(GetProcessHeap(),0,path);
|
|
if (!r)
|
|
{
|
|
err = GetLastError();
|
|
process_terminate(process);
|
|
release_process(process);
|
|
return err;
|
|
}
|
|
|
|
process->process_id = pi.dwProcessId;
|
|
process->process = pi.hProcess;
|
|
CloseHandle( pi.hThread );
|
|
|
|
*new_process = process;
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
static DWORD process_wait_for_startup(struct process_entry *process)
|
|
{
|
|
HANDLE handles[2] = { process->status_changed_event, process->process };
|
|
DWORD ret;
|
|
|
|
ret = WaitForMultipleObjects( 2, handles, FALSE, service_pipe_timeout );
|
|
return (ret == WAIT_OBJECT_0) ? ERROR_SUCCESS : ERROR_SERVICE_REQUEST_TIMEOUT;
|
|
}
|
|
|
|
static DWORD service_is_running(struct service_entry *service)
|
|
{
|
|
DWORD state;
|
|
|
|
service_lock(service);
|
|
state = service->status.dwCurrentState;
|
|
service_unlock(service);
|
|
|
|
return (state == SERVICE_START_PENDING || state == SERVICE_RUNNING) ?
|
|
ERROR_SUCCESS : ERROR_SERVICE_REQUEST_TIMEOUT;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* process_send_start_message
|
|
*/
|
|
static BOOL process_send_start_message(struct process_entry *process, const WCHAR *name,
|
|
LPCWSTR *argv, DWORD argc)
|
|
{
|
|
OVERLAPPED overlapped;
|
|
DWORD i, len, result;
|
|
service_start_info *ssi;
|
|
LPWSTR p;
|
|
BOOL r;
|
|
|
|
WINE_TRACE("%p %s %p %d\n", process, wine_dbgstr_w(name), argv, argc);
|
|
|
|
overlapped.hEvent = process->overlapped_event;
|
|
if (!ConnectNamedPipe(process->control_pipe, &overlapped))
|
|
{
|
|
if (GetLastError() == ERROR_IO_PENDING)
|
|
{
|
|
HANDLE handles[2];
|
|
handles[0] = process->overlapped_event;
|
|
handles[1] = process->process;
|
|
if (WaitForMultipleObjects( 2, handles, FALSE, service_pipe_timeout ) != WAIT_OBJECT_0)
|
|
CancelIo(process->control_pipe);
|
|
if (!HasOverlappedIoCompleted( &overlapped ))
|
|
{
|
|
WINE_ERR("service %s failed to start\n", wine_dbgstr_w(name));
|
|
return FALSE;
|
|
}
|
|
}
|
|
else if (GetLastError() != ERROR_PIPE_CONNECTED)
|
|
{
|
|
WINE_ERR("pipe connect failed\n");
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/* calculate how much space do we need to send the startup info */
|
|
len = strlenW(name) + 1;
|
|
for (i=0; i<argc; i++)
|
|
len += strlenW(argv[i])+1;
|
|
len = (len + 1) * sizeof(WCHAR);
|
|
|
|
ssi = HeapAlloc(GetProcessHeap(),0,FIELD_OFFSET(service_start_info, data[len]));
|
|
ssi->cmd = WINESERV_STARTINFO;
|
|
ssi->control = 0;
|
|
ssi->total_size = FIELD_OFFSET(service_start_info, data[len]);
|
|
ssi->name_size = strlenW(name) + 1;
|
|
strcpyW((WCHAR *)ssi->data, name);
|
|
|
|
/* copy service args into a single buffer*/
|
|
p = (WCHAR *)&ssi->data[ssi->name_size * sizeof(WCHAR)];
|
|
for (i=0; i<argc; i++)
|
|
{
|
|
strcpyW(p, argv[i]);
|
|
p += strlenW(p) + 1;
|
|
}
|
|
*p=0;
|
|
|
|
r = process_send_command( process, ssi, ssi->total_size, &result );
|
|
if (r && result)
|
|
{
|
|
SetLastError(result);
|
|
r = FALSE;
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(),0,ssi);
|
|
|
|
return r;
|
|
}
|
|
|
|
DWORD service_start(struct service_entry *service, DWORD service_argc, LPCWSTR *service_argv)
|
|
{
|
|
struct process_entry *process = NULL;
|
|
DWORD err;
|
|
|
|
err = scmdatabase_lock_startup(service->db);
|
|
if (err != ERROR_SUCCESS)
|
|
return err;
|
|
|
|
err = service_start_process(service, &process);
|
|
if (err == ERROR_SUCCESS)
|
|
{
|
|
if (!process_send_start_message(process, service->name, service_argv, service_argc))
|
|
err = ERROR_SERVICE_REQUEST_TIMEOUT;
|
|
|
|
if (err == ERROR_SUCCESS)
|
|
err = process_wait_for_startup(process);
|
|
|
|
if (err == ERROR_SUCCESS)
|
|
err = service_is_running(service);
|
|
|
|
if (err == ERROR_SUCCESS)
|
|
ReleaseMutex(process->control_mutex);
|
|
else
|
|
process_terminate(process);
|
|
|
|
release_process(process);
|
|
}
|
|
|
|
scmdatabase_unlock_startup(service->db);
|
|
|
|
WINE_TRACE("returning %d\n", err);
|
|
|
|
return err;
|
|
}
|
|
|
|
void process_terminate(struct process_entry *process)
|
|
{
|
|
struct scmdatabase *db = process->db;
|
|
struct service_entry *service;
|
|
|
|
scmdatabase_lock(db);
|
|
TerminateProcess(process->process, 0);
|
|
LIST_FOR_EACH_ENTRY(service, &db->services, struct service_entry, entry)
|
|
{
|
|
if (service->process != process) continue;
|
|
service->status.dwCurrentState = SERVICE_STOPPED;
|
|
service->process = NULL;
|
|
release_process(process);
|
|
}
|
|
scmdatabase_unlock(db);
|
|
}
|
|
|
|
static void load_registry_parameters(void)
|
|
{
|
|
static const WCHAR controlW[] =
|
|
{ 'S','y','s','t','e','m','\\',
|
|
'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
|
|
'C','o','n','t','r','o','l',0 };
|
|
static const WCHAR pipetimeoutW[] =
|
|
{'S','e','r','v','i','c','e','s','P','i','p','e','T','i','m','e','o','u','t',0};
|
|
static const WCHAR killtimeoutW[] =
|
|
{'W','a','i','t','T','o','K','i','l','l','S','e','r','v','i','c','e','T','i','m','e','o','u','t',0};
|
|
HKEY key;
|
|
WCHAR buffer[64];
|
|
DWORD type, count, val;
|
|
|
|
if (RegOpenKeyW( HKEY_LOCAL_MACHINE, controlW, &key )) return;
|
|
|
|
count = sizeof(buffer);
|
|
if (!RegQueryValueExW( key, pipetimeoutW, NULL, &type, (BYTE *)buffer, &count ) &&
|
|
type == REG_SZ && (val = atoiW( buffer )))
|
|
service_pipe_timeout = val;
|
|
|
|
count = sizeof(buffer);
|
|
if (!RegQueryValueExW( key, killtimeoutW, NULL, &type, (BYTE *)buffer, &count ) &&
|
|
type == REG_SZ && (val = atoiW( buffer )))
|
|
service_kill_timeout = val;
|
|
|
|
RegCloseKey( key );
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
static const WCHAR service_current_key_str[] = { 'S','Y','S','T','E','M','\\',
|
|
'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
|
|
'C','o','n','t','r','o','l','\\',
|
|
'S','e','r','v','i','c','e','C','u','r','r','e','n','t',0};
|
|
static const WCHAR svcctl_started_event[] = SVCCTL_STARTED_EVENT;
|
|
HANDLE htok;
|
|
DWORD err;
|
|
|
|
g_hStartedEvent = CreateEventW(NULL, TRUE, FALSE, svcctl_started_event);
|
|
|
|
if (OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY|TOKEN_DUPLICATE, &htok))
|
|
{
|
|
CreateEnvironmentBlock(&env, htok, FALSE);
|
|
CloseHandle(htok);
|
|
}
|
|
|
|
if (!env)
|
|
WINE_ERR("failed to create services environment\n");
|
|
|
|
err = RegCreateKeyExW(HKEY_LOCAL_MACHINE, service_current_key_str, 0,
|
|
NULL, REG_OPTION_VOLATILE, KEY_SET_VALUE | KEY_QUERY_VALUE, NULL,
|
|
&service_current_key, NULL);
|
|
if (err != ERROR_SUCCESS)
|
|
return err;
|
|
|
|
load_registry_parameters();
|
|
err = scmdatabase_create(&active_database);
|
|
if (err != ERROR_SUCCESS)
|
|
return err;
|
|
if ((err = scmdatabase_load_services(active_database)) != ERROR_SUCCESS)
|
|
return err;
|
|
if ((err = RPC_Init()) == ERROR_SUCCESS)
|
|
{
|
|
scmdatabase_autostart_services(active_database);
|
|
events_loop();
|
|
scmdatabase_wait_terminate(active_database);
|
|
}
|
|
scmdatabase_destroy(active_database);
|
|
if (env)
|
|
DestroyEnvironmentBlock(env);
|
|
|
|
WINE_TRACE("services.exe exited with code %d\n", err);
|
|
return err;
|
|
}
|