programs/services/services.h

   1 /*
   2  * Services.exe - include file
   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 #ifndef WINE_PROGRAMS_UTILS_H_
  22 #define WINE_PROGRAMS_UTILS_H_
  23
  24 #include "wine/list.h"
  25
  26 struct scmdatabase
  27 {
  28     HKEY root_key;
  29     LONG service_start_lock;
  30     struct list services;
  31     CRITICAL_SECTION cs;
  32 };
  33
  34 struct process_entry
  35 {
  36     LONG ref_count;
  37     HANDLE process;
  38     HANDLE control_mutex;
  39     HANDLE control_pipe;
  40     HANDLE overlapped_event;
  41     HANDLE status_changed_event;
  42 };
  43
  44 struct service_entry
  45 {
  46     struct list entry;
  47     struct scmdatabase *db;
  48     LONG ref_count;                    /* number of references - if goes to zero and the service is deleted the structure will be freed */
  49     LPWSTR name;
  50     SERVICE_STATUS_PROCESS status;
  51     QUERY_SERVICE_CONFIGW config;
  52     DWORD preshutdown_timeout;
  53     LPWSTR description;
  54     LPWSTR dependOnServices;
  55     LPWSTR dependOnGroups;
  56     struct process_entry *process;
  57     BOOL force_shutdown;
  58     BOOL marked_for_delete;
  59     BOOL is_wow64;
  60 };
  61
  62 extern struct scmdatabase *active_database;
  63
  64 /* SCM database functions */
  65
  66 struct service_entry *scmdatabase_find_service(struct scmdatabase *db, LPCWSTR name);
  67 struct service_entry *scmdatabase_find_service_by_displayname(struct scmdatabase *db, LPCWSTR name);
  68 DWORD scmdatabase_add_service(struct scmdatabase *db, struct service_entry *entry);
  69
  70 DWORD scmdatabase_lock_startup(struct scmdatabase *db);
  71 void scmdatabase_unlock_startup(struct scmdatabase *db);
  72
  73 void scmdatabase_lock(struct scmdatabase *db);
  74 void scmdatabase_unlock(struct scmdatabase *db);
  75
  76 /* Service functions */
  77
  78 DWORD service_create(LPCWSTR name, struct service_entry **entry);
  79 BOOL validate_service_name(LPCWSTR name);
  80 BOOL validate_service_config(struct service_entry *entry);
  81 DWORD save_service_config(struct service_entry *entry);
  82 void free_service_entry(struct service_entry *entry);
  83 void release_service(struct service_entry *service);
  84 void service_lock(struct service_entry *service);
  85 void service_unlock(struct service_entry *service);
  86 DWORD service_start(struct service_entry *service, DWORD service_argc, LPCWSTR *service_argv);
  87 void service_terminate(struct service_entry *service);
  88
  89 /* Process functions */
  90
  91 void release_process(struct process_entry *process);
  92 BOOL process_send_command(struct process_entry *process, const void *data, DWORD size, DWORD *result);
  93
  94 extern HANDLE g_hStartedEvent;
  95
  96 extern DWORD service_pipe_timeout;
  97 extern DWORD service_kill_timeout;
  98
  99 DWORD RPC_Init(void);
 100 DWORD events_loop(void);
 101
 102 /* from utils.c */
 103 LPWSTR strdupW(LPCWSTR str);
 104
 105 BOOL check_multisz(LPCWSTR lpMultiSz, DWORD cbSize);
 106
 107 DWORD load_reg_string(HKEY hKey, LPCWSTR szValue, BOOL bExpand, LPWSTR *output);
 108 DWORD load_reg_multisz(HKEY hKey, LPCWSTR szValue, BOOL bAllowSingle, LPWSTR *output);
 109 DWORD load_reg_dword(HKEY hKey, LPCWSTR szValue, DWORD *output);
 110
 111 static inline LPCWSTR get_display_name(struct service_entry *service)
 112 {
 113     return service->config.lpDisplayName ? service->config.lpDisplayName : service->name;
 114 }
 115
 116 static inline BOOL is_marked_for_delete(struct service_entry *service)
 117 {
 118     return service->marked_for_delete;
 119 }
 120
 121 static inline DWORD mark_for_delete(struct service_entry *service)
 122 {
 123     service->marked_for_delete = TRUE;
 124     return ERROR_SUCCESS;
 125 }
 126
 127 #endif /*WINE_PROGRAMS_UTILS_H_*/