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wine/programs/services/rpc.c

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/*
* Services.exe - RPC functions
*
* Copyright 2007 Google (Mikolaj Zalewski)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define WIN32_LEAN_AND_MEAN
#include <stdarg.h>
#include <windows.h>
#include <winternl.h>
#include <winsvc.h>
#include <ntsecapi.h>
#include <rpc.h>
#include "wine/list.h"
#include "wine/unicode.h"
#include "wine/debug.h"
#include "services.h"
#include "svcctl.h"
extern HANDLE CDECL __wine_make_process_system(void);
WINE_DEFAULT_DEBUG_CHANNEL(service);
static const GENERIC_MAPPING g_scm_generic =
{
(STANDARD_RIGHTS_READ | SC_MANAGER_ENUMERATE_SERVICE | SC_MANAGER_QUERY_LOCK_STATUS),
(STANDARD_RIGHTS_WRITE | SC_MANAGER_CREATE_SERVICE | SC_MANAGER_MODIFY_BOOT_CONFIG),
(STANDARD_RIGHTS_EXECUTE | SC_MANAGER_CONNECT | SC_MANAGER_LOCK),
SC_MANAGER_ALL_ACCESS
};
static const GENERIC_MAPPING g_svc_generic =
{
(STANDARD_RIGHTS_READ | SERVICE_QUERY_CONFIG | SERVICE_QUERY_STATUS | SERVICE_INTERROGATE | SERVICE_ENUMERATE_DEPENDENTS),
(STANDARD_RIGHTS_WRITE | SERVICE_CHANGE_CONFIG),
(STANDARD_RIGHTS_EXECUTE | SERVICE_START | SERVICE_STOP | SERVICE_PAUSE_CONTINUE | SERVICE_USER_DEFINED_CONTROL),
SERVICE_ALL_ACCESS
};
typedef enum
{
SC_HTYPE_DONT_CARE = 0,
SC_HTYPE_MANAGER,
SC_HTYPE_SERVICE
} SC_HANDLE_TYPE;
struct sc_handle
{
SC_HANDLE_TYPE type;
DWORD access;
};
struct sc_manager_handle /* service control manager handle */
{
struct sc_handle hdr;
struct scmdatabase *db;
};
struct sc_service_handle /* service handle */
{
struct sc_handle hdr;
struct service_entry *service_entry;
};
struct sc_lock
{
struct scmdatabase *db;
};
static void free_config_strings(QUERY_SERVICE_CONFIGW *old_cfg, QUERY_SERVICE_CONFIGW *new_cfg)
{
if (old_cfg->lpBinaryPathName != new_cfg->lpBinaryPathName)
HeapFree(GetProcessHeap(), 0, old_cfg->lpBinaryPathName);
if (old_cfg->lpLoadOrderGroup != new_cfg->lpLoadOrderGroup)
HeapFree(GetProcessHeap(), 0, old_cfg->lpLoadOrderGroup);
if (old_cfg->lpServiceStartName != new_cfg->lpServiceStartName)
HeapFree(GetProcessHeap(), 0, old_cfg->lpServiceStartName);
if (old_cfg->lpDisplayName != new_cfg->lpDisplayName)
HeapFree(GetProcessHeap(), 0, old_cfg->lpDisplayName);
}
/* Check if the given handle is of the required type and allows the requested access. */
static DWORD validate_context_handle(SC_RPC_HANDLE handle, DWORD type, DWORD needed_access, struct sc_handle **out_hdr)
{
struct sc_handle *hdr = handle;
if (type != SC_HTYPE_DONT_CARE && hdr->type != type)
{
WINE_ERR("Handle is of an invalid type (%d, %d)\n", hdr->type, type);
return ERROR_INVALID_HANDLE;
}
if ((needed_access & hdr->access) != needed_access)
{
WINE_ERR("Access denied - handle created with access %x, needed %x\n", hdr->access, needed_access);
return ERROR_ACCESS_DENIED;
}
*out_hdr = hdr;
return ERROR_SUCCESS;
}
static DWORD validate_scm_handle(SC_RPC_HANDLE handle, DWORD needed_access, struct sc_manager_handle **manager)
{
struct sc_handle *hdr;
DWORD err = validate_context_handle(handle, SC_HTYPE_MANAGER, needed_access, &hdr);
if (err == ERROR_SUCCESS)
*manager = (struct sc_manager_handle *)hdr;
return err;
}
static DWORD validate_service_handle(SC_RPC_HANDLE handle, DWORD needed_access, struct sc_service_handle **service)
{
struct sc_handle *hdr;
DWORD err = validate_context_handle(handle, SC_HTYPE_SERVICE, needed_access, &hdr);
if (err == ERROR_SUCCESS)
*service = (struct sc_service_handle *)hdr;
return err;
}
DWORD svcctl_OpenSCManagerW(
MACHINE_HANDLEW MachineName, /* Note: this parameter is ignored */
LPCWSTR DatabaseName,
DWORD dwAccessMask,
SC_RPC_HANDLE *handle)
{
struct sc_manager_handle *manager;
WINE_TRACE("(%s, %s, %x)\n", wine_dbgstr_w(MachineName), wine_dbgstr_w(DatabaseName), dwAccessMask);
if (DatabaseName != NULL && DatabaseName[0])
{
if (strcmpW(DatabaseName, SERVICES_FAILED_DATABASEW) == 0)
return ERROR_DATABASE_DOES_NOT_EXIST;
if (strcmpW(DatabaseName, SERVICES_ACTIVE_DATABASEW) != 0)
return ERROR_INVALID_NAME;
}
if (!(manager = HeapAlloc(GetProcessHeap(), 0, sizeof(*manager))))
return ERROR_NOT_ENOUGH_SERVER_MEMORY;
manager->hdr.type = SC_HTYPE_MANAGER;
if (dwAccessMask & MAXIMUM_ALLOWED)
dwAccessMask |= SC_MANAGER_ALL_ACCESS;
manager->hdr.access = dwAccessMask;
RtlMapGenericMask(&manager->hdr.access, &g_scm_generic);
manager->db = active_database;
*handle = &manager->hdr;
return ERROR_SUCCESS;
}
static void SC_RPC_HANDLE_destroy(SC_RPC_HANDLE handle)
{
struct sc_handle *hdr = handle;
switch (hdr->type)
{
case SC_HTYPE_MANAGER:
{
struct sc_manager_handle *manager = (struct sc_manager_handle *)hdr;
HeapFree(GetProcessHeap(), 0, manager);
break;
}
case SC_HTYPE_SERVICE:
{
struct sc_service_handle *service = (struct sc_service_handle *)hdr;
release_service(service->service_entry);
HeapFree(GetProcessHeap(), 0, service);
break;
}
default:
WINE_ERR("invalid handle type %d\n", hdr->type);
RpcRaiseException(ERROR_INVALID_HANDLE);
}
}
DWORD svcctl_GetServiceDisplayNameW(
SC_RPC_HANDLE hSCManager,
LPCWSTR lpServiceName,
WCHAR *lpBuffer,
DWORD *cchBufSize)
{
struct sc_manager_handle *manager;
struct service_entry *entry;
DWORD err;
WINE_TRACE("(%s, %d)\n", wine_dbgstr_w(lpServiceName), *cchBufSize);
if ((err = validate_scm_handle(hSCManager, 0, &manager)) != ERROR_SUCCESS)
return err;
scmdatabase_lock_shared(manager->db);
entry = scmdatabase_find_service(manager->db, lpServiceName);
if (entry != NULL)
{
LPCWSTR name;
int len;
service_lock_shared(entry);
name = get_display_name(entry);
len = strlenW(name);
if (len <= *cchBufSize)
{
err = ERROR_SUCCESS;
memcpy(lpBuffer, name, (len + 1)*sizeof(*name));
}
else
err = ERROR_INSUFFICIENT_BUFFER;
*cchBufSize = len;
service_unlock(entry);
}
else
err = ERROR_SERVICE_DOES_NOT_EXIST;
scmdatabase_unlock(manager->db);
if (err != ERROR_SUCCESS)
lpBuffer[0] = 0;
return err;
}
DWORD svcctl_GetServiceKeyNameW(
SC_RPC_HANDLE hSCManager,
LPCWSTR lpServiceDisplayName,
WCHAR *lpBuffer,
DWORD *cchBufSize)
{
struct service_entry *entry;
struct sc_manager_handle *manager;
DWORD err;
WINE_TRACE("(%s, %d)\n", wine_dbgstr_w(lpServiceDisplayName), *cchBufSize);
if ((err = validate_scm_handle(hSCManager, 0, &manager)) != ERROR_SUCCESS)
return err;
scmdatabase_lock_shared(manager->db);
entry = scmdatabase_find_service_by_displayname(manager->db, lpServiceDisplayName);
if (entry != NULL)
{
int len;
service_lock_shared(entry);
len = strlenW(entry->name);
if (len <= *cchBufSize)
{
err = ERROR_SUCCESS;
memcpy(lpBuffer, entry->name, (len + 1)*sizeof(*entry->name));
}
else
err = ERROR_INSUFFICIENT_BUFFER;
*cchBufSize = len;
service_unlock(entry);
}
else
err = ERROR_SERVICE_DOES_NOT_EXIST;
scmdatabase_unlock(manager->db);
if (err != ERROR_SUCCESS)
lpBuffer[0] = 0;
return err;
}
static DWORD create_handle_for_service(struct service_entry *entry, DWORD dwDesiredAccess, SC_RPC_HANDLE *phService)
{
struct sc_service_handle *service;
if (!(service = HeapAlloc(GetProcessHeap(), 0, sizeof(*service))))
{
release_service(entry);
return ERROR_NOT_ENOUGH_SERVER_MEMORY;
}
service->hdr.type = SC_HTYPE_SERVICE;
service->hdr.access = dwDesiredAccess;
RtlMapGenericMask(&service->hdr.access, &g_svc_generic);
service->service_entry = entry;
if (dwDesiredAccess & MAXIMUM_ALLOWED)
dwDesiredAccess |= SERVICE_ALL_ACCESS;
*phService = &service->hdr;
return ERROR_SUCCESS;
}
DWORD svcctl_OpenServiceW(
SC_RPC_HANDLE hSCManager,
LPCWSTR lpServiceName,
DWORD dwDesiredAccess,
SC_RPC_HANDLE *phService)
{
struct sc_manager_handle *manager;
struct service_entry *entry;
DWORD err;
WINE_TRACE("(%s, 0x%x)\n", wine_dbgstr_w(lpServiceName), dwDesiredAccess);
if ((err = validate_scm_handle(hSCManager, 0, &manager)) != ERROR_SUCCESS)
return err;
if (!validate_service_name(lpServiceName))
return ERROR_INVALID_NAME;
scmdatabase_lock_shared(manager->db);
entry = scmdatabase_find_service(manager->db, lpServiceName);
if (entry != NULL)
InterlockedIncrement(&entry->ref_count);
scmdatabase_unlock(manager->db);
if (entry == NULL)
return ERROR_SERVICE_DOES_NOT_EXIST;
return create_handle_for_service(entry, dwDesiredAccess, phService);
}
DWORD svcctl_CreateServiceW(
SC_RPC_HANDLE hSCManager,
LPCWSTR lpServiceName,
LPCWSTR lpDisplayName,
DWORD dwDesiredAccess,
DWORD dwServiceType,
DWORD dwStartType,
DWORD dwErrorControl,
LPCWSTR lpBinaryPathName,
LPCWSTR lpLoadOrderGroup,
DWORD *lpdwTagId,
const BYTE *lpDependencies,
DWORD dwDependenciesSize,
LPCWSTR lpServiceStartName,
const BYTE *lpPassword,
DWORD dwPasswordSize,
SC_RPC_HANDLE *phService)
{
struct sc_manager_handle *manager;
struct service_entry *entry;
DWORD err;
WINE_TRACE("(%s, %s, 0x%x, %s)\n", wine_dbgstr_w(lpServiceName), wine_dbgstr_w(lpDisplayName), dwDesiredAccess, wine_dbgstr_w(lpBinaryPathName));
if ((err = validate_scm_handle(hSCManager, SC_MANAGER_CREATE_SERVICE, &manager)) != ERROR_SUCCESS)
return err;
if (!validate_service_name(lpServiceName))
return ERROR_INVALID_NAME;
if (!check_multisz((LPCWSTR)lpDependencies, dwDependenciesSize) || !lpServiceName[0] || !lpBinaryPathName[0])
return ERROR_INVALID_PARAMETER;
if (lpPassword)
WINE_FIXME("Don't know how to add a password\n"); /* I always get ERROR_GEN_FAILURE */
if (lpDependencies)
WINE_FIXME("Dependencies not supported yet\n");
err = service_create(lpServiceName, &entry);
if (err != ERROR_SUCCESS)
return err;
entry->ref_count = 1;
entry->config.dwServiceType = entry->status.dwServiceType = dwServiceType;
entry->config.dwStartType = dwStartType;
entry->config.dwErrorControl = dwErrorControl;
entry->config.lpBinaryPathName = strdupW(lpBinaryPathName);
entry->config.lpLoadOrderGroup = strdupW(lpLoadOrderGroup);
entry->config.lpServiceStartName = strdupW(lpServiceStartName);
entry->config.lpDisplayName = strdupW(lpDisplayName);
if (lpdwTagId) /* TODO: In most situations a non-NULL TagId will generate an ERROR_INVALID_PARAMETER. */
entry->config.dwTagId = *lpdwTagId;
else
entry->config.dwTagId = 0;
/* other fields NULL*/
if (!validate_service_config(entry))
{
WINE_ERR("Invalid data while trying to create service\n");
free_service_entry(entry);
return ERROR_INVALID_PARAMETER;
}
scmdatabase_lock_exclusive(manager->db);
if (scmdatabase_find_service(manager->db, lpServiceName))
{
scmdatabase_unlock(manager->db);
free_service_entry(entry);
return ERROR_SERVICE_EXISTS;
}
if (scmdatabase_find_service_by_displayname(manager->db, get_display_name(entry)))
{
scmdatabase_unlock(manager->db);
free_service_entry(entry);
return ERROR_DUPLICATE_SERVICE_NAME;
}
err = scmdatabase_add_service(manager->db, entry);
if (err != ERROR_SUCCESS)
{
scmdatabase_unlock(manager->db);
free_service_entry(entry);
return err;
}
scmdatabase_unlock(manager->db);
return create_handle_for_service(entry, dwDesiredAccess, phService);
}
DWORD svcctl_DeleteService(
SC_RPC_HANDLE hService)
{
struct sc_service_handle *service;
DWORD err;
if ((err = validate_service_handle(hService, DELETE, &service)) != ERROR_SUCCESS)
return err;
scmdatabase_lock_exclusive(service->service_entry->db);
service_lock_exclusive(service->service_entry);
if (!is_marked_for_delete(service->service_entry))
err = scmdatabase_remove_service(service->service_entry->db, service->service_entry);
else
err = ERROR_SERVICE_MARKED_FOR_DELETE;
service_unlock(service->service_entry);
scmdatabase_unlock(service->service_entry->db);
return err;
}
DWORD svcctl_QueryServiceConfigW(
SC_RPC_HANDLE hService,
QUERY_SERVICE_CONFIGW *config)
{
struct sc_service_handle *service;
DWORD err;
WINE_TRACE("(%p)\n", config);
if ((err = validate_service_handle(hService, SERVICE_QUERY_CONFIG, &service)) != 0)
return err;
service_lock_shared(service->service_entry);
config->dwServiceType = service->service_entry->config.dwServiceType;
config->dwStartType = service->service_entry->config.dwStartType;
config->dwErrorControl = service->service_entry->config.dwErrorControl;
config->lpBinaryPathName = strdupW(service->service_entry->config.lpBinaryPathName);
config->lpLoadOrderGroup = strdupW(service->service_entry->config.lpLoadOrderGroup);
config->dwTagId = service->service_entry->config.dwTagId;
config->lpDependencies = NULL; /* TODO */
config->lpServiceStartName = strdupW(service->service_entry->config.lpServiceStartName);
config->lpDisplayName = strdupW(service->service_entry->config.lpDisplayName);
service_unlock(service->service_entry);
return ERROR_SUCCESS;
}
DWORD svcctl_ChangeServiceConfigW(
SC_RPC_HANDLE hService,
DWORD dwServiceType,
DWORD dwStartType,
DWORD dwErrorControl,
LPCWSTR lpBinaryPathName,
LPCWSTR lpLoadOrderGroup,
DWORD *lpdwTagId,
const BYTE *lpDependencies,
DWORD dwDependenciesSize,
LPCWSTR lpServiceStartName,
const BYTE *lpPassword,
DWORD dwPasswordSize,
LPCWSTR lpDisplayName)
{
struct service_entry new_entry, *entry;
struct sc_service_handle *service;
DWORD err;
WINE_TRACE("\n");
if ((err = validate_service_handle(hService, SERVICE_CHANGE_CONFIG, &service)) != 0)
return err;
if (!check_multisz((LPCWSTR)lpDependencies, dwDependenciesSize))
return ERROR_INVALID_PARAMETER;
/* first check if the new configuration is correct */
service_lock_exclusive(service->service_entry);
if (is_marked_for_delete(service->service_entry))
{
service_unlock(service->service_entry);
return ERROR_SERVICE_MARKED_FOR_DELETE;
}
if (lpDisplayName != NULL &&
(entry = scmdatabase_find_service_by_displayname(service->service_entry->db, lpDisplayName)) &&
(entry != service->service_entry))
{
service_unlock(service->service_entry);
return ERROR_DUPLICATE_SERVICE_NAME;
}
new_entry = *service->service_entry;
if (dwServiceType != SERVICE_NO_CHANGE)
new_entry.config.dwServiceType = dwServiceType;
if (dwStartType != SERVICE_NO_CHANGE)
new_entry.config.dwStartType = dwStartType;
if (dwErrorControl != SERVICE_NO_CHANGE)
new_entry.config.dwErrorControl = dwErrorControl;
if (lpBinaryPathName != NULL)
new_entry.config.lpBinaryPathName = (LPWSTR)lpBinaryPathName;
if (lpLoadOrderGroup != NULL)
new_entry.config.lpLoadOrderGroup = (LPWSTR)lpLoadOrderGroup;
if (lpdwTagId != NULL)
WINE_FIXME("Changing tag id not supported\n");
if (lpDependencies != NULL)
WINE_FIXME("Changing dependencies not supported\n");
if (lpServiceStartName != NULL)
new_entry.config.lpServiceStartName = (LPWSTR)lpServiceStartName;
if (lpPassword != NULL)
WINE_FIXME("Setting password not supported\n");
if (lpDisplayName != NULL)
new_entry.config.lpDisplayName = (LPWSTR)lpDisplayName;
if (!validate_service_config(&new_entry))
{
WINE_ERR("The configuration after the change wouldn't be valid\n");
service_unlock(service->service_entry);
return ERROR_INVALID_PARAMETER;
}
/* configuration OK. The strings needs to be duplicated */
if (lpBinaryPathName != NULL)
new_entry.config.lpBinaryPathName = strdupW(lpBinaryPathName);
if (lpLoadOrderGroup != NULL)
new_entry.config.lpLoadOrderGroup = strdupW(lpLoadOrderGroup);
if (lpServiceStartName != NULL)
new_entry.config.lpServiceStartName = strdupW(lpServiceStartName);
if (lpDisplayName != NULL)
new_entry.config.lpDisplayName = strdupW(lpDisplayName);
/* try to save to Registry, commit or rollback depending on success */
err = save_service_config(&new_entry);
if (ERROR_SUCCESS == err)
{
free_config_strings(&service->service_entry->config,&new_entry.config);
*service->service_entry = new_entry;
}
else free_config_strings(&new_entry.config,&service->service_entry->config);
service_unlock(service->service_entry);
return err;
}
DWORD svcctl_SetServiceStatus(
SC_RPC_HANDLE hServiceStatus,
LPSERVICE_STATUS lpServiceStatus)
{
struct sc_service_handle *service;
DWORD err;
WINE_TRACE("(%p, %p)\n", hServiceStatus, lpServiceStatus);
if ((err = validate_service_handle(hServiceStatus, SERVICE_SET_STATUS, &service)) != 0)
return err;
service_lock_exclusive(service->service_entry);
/* FIXME: be a bit more discriminant about what parts of the status we set
* and check that fields are valid */
service->service_entry->status.dwServiceType = lpServiceStatus->dwServiceType;
service->service_entry->status.dwCurrentState = lpServiceStatus->dwCurrentState;
service->service_entry->status.dwControlsAccepted = lpServiceStatus->dwControlsAccepted;
service->service_entry->status.dwWin32ExitCode = lpServiceStatus->dwWin32ExitCode;
service->service_entry->status.dwServiceSpecificExitCode = lpServiceStatus->dwServiceSpecificExitCode;
service->service_entry->status.dwCheckPoint = lpServiceStatus->dwCheckPoint;
service->service_entry->status.dwWaitHint = lpServiceStatus->dwWaitHint;
service_unlock(service->service_entry);
if (service->service_entry->status_changed_event)
SetEvent(service->service_entry->status_changed_event);
return ERROR_SUCCESS;
}
DWORD svcctl_ChangeServiceConfig2W( SC_RPC_HANDLE hService, DWORD level, SERVICE_CONFIG2W *config )
{
struct sc_service_handle *service;
DWORD err;
if ((err = validate_service_handle(hService, SERVICE_CHANGE_CONFIG, &service)) != 0)
return err;
switch (level)
{
case SERVICE_CONFIG_DESCRIPTION:
{
WCHAR *descr = NULL;
if (config->descr.lpDescription[0])
{
if (!(descr = strdupW( config->descr.lpDescription )))
return ERROR_NOT_ENOUGH_MEMORY;
}
WINE_TRACE( "changing service %p descr to %s\n", service, wine_dbgstr_w(descr) );
service_lock_exclusive( service->service_entry );
HeapFree( GetProcessHeap(), 0, service->service_entry->description );
service->service_entry->description = descr;
save_service_config( service->service_entry );
service_unlock( service->service_entry );
}
break;
case SERVICE_CONFIG_FAILURE_ACTIONS:
WINE_FIXME( "SERVICE_CONFIG_FAILURE_ACTIONS not implemented: period %u msg %s cmd %s\n",
config->actions.dwResetPeriod,
wine_dbgstr_w(config->actions.lpRebootMsg),
wine_dbgstr_w(config->actions.lpCommand) );
break;
default:
WINE_FIXME("level %u not implemented\n", level);
err = ERROR_INVALID_LEVEL;
break;
}
return err;
}
DWORD svcctl_QueryServiceConfig2W( SC_RPC_HANDLE hService, DWORD level,
BYTE *buffer, DWORD size, LPDWORD needed )
{
struct sc_service_handle *service;
DWORD err;
memset(buffer, 0, size);
if ((err = validate_service_handle(hService, SERVICE_QUERY_STATUS, &service)) != 0)
return err;
switch (level)
{
case SERVICE_CONFIG_DESCRIPTION:
{
SERVICE_DESCRIPTIONW *descr = (SERVICE_DESCRIPTIONW *)buffer;
service_lock_shared(service->service_entry);
*needed = sizeof(*descr);
if (service->service_entry->description)
*needed += (strlenW(service->service_entry->description) + 1) * sizeof(WCHAR);
if (size >= *needed)
{
if (service->service_entry->description)
{
/* store a buffer offset instead of a pointer */
descr->lpDescription = (WCHAR *)((BYTE *)(descr + 1) - buffer);
strcpyW( (WCHAR *)(descr + 1), service->service_entry->description );
}
else descr->lpDescription = NULL;
}
else err = ERROR_INSUFFICIENT_BUFFER;
service_unlock(service->service_entry);
}
break;
default:
WINE_FIXME("level %u not implemented\n", level);
err = ERROR_INVALID_LEVEL;
break;
}
return err;
}
DWORD svcctl_QueryServiceStatusEx(
SC_RPC_HANDLE hService,
SC_STATUS_TYPE InfoLevel,
BYTE *lpBuffer,
DWORD cbBufSize,
LPDWORD pcbBytesNeeded)
{
struct sc_service_handle *service;
DWORD err;
LPSERVICE_STATUS_PROCESS pSvcStatusData;
memset(lpBuffer, 0, cbBufSize);
if ((err = validate_service_handle(hService, SERVICE_QUERY_STATUS, &service)) != 0)
return err;
if (InfoLevel != SC_STATUS_PROCESS_INFO)
return ERROR_INVALID_LEVEL;
pSvcStatusData = (LPSERVICE_STATUS_PROCESS) lpBuffer;
if (pSvcStatusData == NULL)
return ERROR_INVALID_PARAMETER;
if (cbBufSize < sizeof(SERVICE_STATUS_PROCESS))
{
if( pcbBytesNeeded != NULL)
*pcbBytesNeeded = sizeof(SERVICE_STATUS_PROCESS);
return ERROR_INSUFFICIENT_BUFFER;
}
service_lock_shared(service->service_entry);
pSvcStatusData->dwServiceType = service->service_entry->status.dwServiceType;
pSvcStatusData->dwCurrentState = service->service_entry->status.dwCurrentState;
pSvcStatusData->dwControlsAccepted = service->service_entry->status.dwControlsAccepted;
pSvcStatusData->dwWin32ExitCode = service->service_entry->status.dwWin32ExitCode;
pSvcStatusData->dwServiceSpecificExitCode = service->service_entry->status.dwServiceSpecificExitCode;
pSvcStatusData->dwCheckPoint = service->service_entry->status.dwCheckPoint;
pSvcStatusData->dwWaitHint = service->service_entry->status.dwWaitHint;
pSvcStatusData->dwProcessId = service->service_entry->status.dwProcessId;
pSvcStatusData->dwServiceFlags = service->service_entry->status.dwServiceFlags;
service_unlock(service->service_entry);
return ERROR_SUCCESS;
}
/******************************************************************************
* service_accepts_control
*/
static BOOL service_accepts_control(const struct service_entry *service, DWORD dwControl)
{
DWORD a = service->status.dwControlsAccepted;
switch (dwControl)
{
case SERVICE_CONTROL_INTERROGATE:
return TRUE;
case SERVICE_CONTROL_STOP:
if (a&SERVICE_ACCEPT_STOP)
return TRUE;
break;
case SERVICE_CONTROL_SHUTDOWN:
if (a&SERVICE_ACCEPT_SHUTDOWN)
return TRUE;
break;
case SERVICE_CONTROL_PAUSE:
case SERVICE_CONTROL_CONTINUE:
if (a&SERVICE_ACCEPT_PAUSE_CONTINUE)
return TRUE;
break;
case SERVICE_CONTROL_PARAMCHANGE:
if (a&SERVICE_ACCEPT_PARAMCHANGE)
return TRUE;
break;
case SERVICE_CONTROL_NETBINDADD:
case SERVICE_CONTROL_NETBINDREMOVE:
case SERVICE_CONTROL_NETBINDENABLE:
case SERVICE_CONTROL_NETBINDDISABLE:
if (a&SERVICE_ACCEPT_NETBINDCHANGE)
return TRUE;
case SERVICE_CONTROL_HARDWAREPROFILECHANGE:
if (a&SERVICE_ACCEPT_HARDWAREPROFILECHANGE)
return TRUE;
break;
case SERVICE_CONTROL_POWEREVENT:
if (a&SERVICE_ACCEPT_POWEREVENT)
return TRUE;
break;
case SERVICE_CONTROL_SESSIONCHANGE:
if (a&SERVICE_ACCEPT_SESSIONCHANGE)
return TRUE;
break;
}
return FALSE;
}
/******************************************************************************
* service_send_control
*/
static BOOL service_send_control(struct service_entry *service, HANDLE pipe, DWORD dwControl, DWORD *result)
{
service_start_info *ssi;
DWORD len, count = 0;
BOOL r;
/* calculate how much space we need to send the startup info */
len = strlenW(service->name) + 1;
ssi = HeapAlloc(GetProcessHeap(),0,FIELD_OFFSET(service_start_info, data[len]));
ssi->cmd = WINESERV_SENDCONTROL;
ssi->control = dwControl;
ssi->total_size = FIELD_OFFSET(service_start_info, data[len]);
ssi->name_size = strlenW(service->name) + 1;
strcpyW( ssi->data, service->name );
r = WriteFile(pipe, ssi, ssi->total_size, &count, NULL);
if (!r || count != ssi->total_size)
{
WINE_ERR("service protocol error - failed to write pipe!\n");
return r;
}
r = ReadFile(pipe, result, sizeof *result, &count, NULL);
if (!r || count != sizeof *result)
WINE_ERR("service protocol error - failed to read pipe "
"r = %d count = %d!\n", r, count);
return r;
}
DWORD svcctl_StartServiceW(
SC_RPC_HANDLE hService,
DWORD dwNumServiceArgs,
LPCWSTR *lpServiceArgVectors)
{
struct sc_service_handle *service;
DWORD err;
WINE_TRACE("(%p, %d, %p)\n", hService, dwNumServiceArgs, lpServiceArgVectors);
if ((err = validate_service_handle(hService, SERVICE_START, &service)) != 0)
return err;
err = service_start(service->service_entry, dwNumServiceArgs, lpServiceArgVectors);
return err;
}
DWORD svcctl_ControlService(
SC_RPC_HANDLE hService,
DWORD dwControl,
SERVICE_STATUS *lpServiceStatus)
{
DWORD access_required;
struct sc_service_handle *service;
DWORD err;
BOOL ret;
HANDLE control_mutex;
HANDLE control_pipe;
WINE_TRACE("(%p, %d, %p)\n", hService, dwControl, lpServiceStatus);
switch (dwControl)
{
case SERVICE_CONTROL_CONTINUE:
case SERVICE_CONTROL_NETBINDADD:
case SERVICE_CONTROL_NETBINDDISABLE:
case SERVICE_CONTROL_NETBINDENABLE:
case SERVICE_CONTROL_NETBINDREMOVE:
case SERVICE_CONTROL_PARAMCHANGE:
case SERVICE_CONTROL_PAUSE:
access_required = SERVICE_PAUSE_CONTINUE;
break;
case SERVICE_CONTROL_INTERROGATE:
access_required = SERVICE_INTERROGATE;
break;
case SERVICE_CONTROL_STOP:
access_required = SERVICE_STOP;
break;
default:
if (dwControl >= 128 && dwControl <= 255)
access_required = SERVICE_USER_DEFINED_CONTROL;
else
return ERROR_INVALID_PARAMETER;
}
if ((err = validate_service_handle(hService, access_required, &service)) != 0)
return err;
service_lock_exclusive(service->service_entry);
if (lpServiceStatus)
{
lpServiceStatus->dwServiceType = service->service_entry->status.dwServiceType;
lpServiceStatus->dwCurrentState = service->service_entry->status.dwCurrentState;
lpServiceStatus->dwControlsAccepted = service->service_entry->status.dwControlsAccepted;
lpServiceStatus->dwWin32ExitCode = service->service_entry->status.dwWin32ExitCode;
lpServiceStatus->dwServiceSpecificExitCode = service->service_entry->status.dwServiceSpecificExitCode;
lpServiceStatus->dwCheckPoint = service->service_entry->status.dwCheckPoint;
lpServiceStatus->dwWaitHint = service->service_entry->status.dwWaitHint;
}
if (!service_accepts_control(service->service_entry, dwControl))
{
service_unlock(service->service_entry);
return ERROR_INVALID_SERVICE_CONTROL;
}
switch (service->service_entry->status.dwCurrentState)
{
case SERVICE_STOPPED:
service_unlock(service->service_entry);
return ERROR_SERVICE_NOT_ACTIVE;
case SERVICE_START_PENDING:
if (dwControl==SERVICE_CONTROL_STOP)
break;
/* fall thru */
case SERVICE_STOP_PENDING:
service_unlock(service->service_entry);
return ERROR_SERVICE_CANNOT_ACCEPT_CTRL;
}
/* prevent races by caching these variables and clearing them on
* stop here instead of outside the services lock */
control_mutex = service->service_entry->control_mutex;
control_pipe = service->service_entry->control_pipe;
if (dwControl == SERVICE_CONTROL_STOP)
{
service->service_entry->control_mutex = NULL;
service->service_entry->control_pipe = INVALID_HANDLE_VALUE;
}
service_unlock(service->service_entry);
ret = WaitForSingleObject(control_mutex, 30000);
if (ret == WAIT_OBJECT_0)
{
DWORD result = ERROR_SUCCESS;
ret = service_send_control(service->service_entry, control_pipe, dwControl, &result);
if (dwControl == SERVICE_CONTROL_STOP)
{
CloseHandle(control_mutex);
CloseHandle(control_pipe);
}
else
ReleaseMutex(control_mutex);
return result;
}
else
{
if (dwControl == SERVICE_CONTROL_STOP)
{
CloseHandle(control_mutex);
CloseHandle(control_pipe);
}
return ERROR_SERVICE_REQUEST_TIMEOUT;
}
}
DWORD svcctl_CloseServiceHandle(
SC_RPC_HANDLE *handle)
{
WINE_TRACE("(&%p)\n", *handle);
SC_RPC_HANDLE_destroy(*handle);
*handle = NULL;
return ERROR_SUCCESS;
}
static void SC_RPC_LOCK_destroy(SC_RPC_LOCK hLock)
{
struct sc_lock *lock = hLock;
scmdatabase_unlock_startup(lock->db);
HeapFree(GetProcessHeap(), 0, lock);
}
void __RPC_USER SC_RPC_LOCK_rundown(SC_RPC_LOCK hLock)
{
SC_RPC_LOCK_destroy(hLock);
}
DWORD svcctl_LockServiceDatabase(
SC_RPC_HANDLE hSCManager,
SC_RPC_LOCK *phLock)
{
struct sc_manager_handle *manager;
struct sc_lock *lock;
DWORD err;
WINE_TRACE("(%p, %p)\n", hSCManager, phLock);
if ((err = validate_scm_handle(hSCManager, SC_MANAGER_LOCK, &manager)) != ERROR_SUCCESS)
return err;
err = scmdatabase_lock_startup(manager->db);
if (err != ERROR_SUCCESS)
return err;
lock = HeapAlloc(GetProcessHeap(), 0, sizeof(struct sc_lock));
if (!lock)
{
scmdatabase_unlock_startup(manager->db);
return ERROR_NOT_ENOUGH_SERVER_MEMORY;
}
lock->db = manager->db;
*phLock = lock;
return ERROR_SUCCESS;
}
DWORD svcctl_UnlockServiceDatabase(
SC_RPC_LOCK *phLock)
{
WINE_TRACE("(&%p)\n", *phLock);
SC_RPC_LOCK_destroy(*phLock);
*phLock = NULL;
return ERROR_SUCCESS;
}
DWORD svcctl_QueryServiceObjectSecurity(
void)
{
WINE_FIXME("\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
DWORD svcctl_SetServiceObjectSecurity(
void)
{
WINE_FIXME("\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
DWORD svcctl_QueryServiceStatus(
void)
{
WINE_FIXME("\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
DWORD svcctl_NotifyBootConfigStatus(
void)
{
WINE_FIXME("\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
DWORD svcctl_SCSetServiceBitsW(
void)
{
WINE_FIXME("\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
DWORD svcctl_EnumDependentServicesW(
void)
{
WINE_FIXME("\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
DWORD svcctl_EnumServicesStatusW(
void)
{
WINE_FIXME("\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
DWORD svcctl_QueryServiceLockStatusW(
void)
{
WINE_FIXME("\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
DWORD svcctl_SCSetServiceBitsA(
void)
{
WINE_FIXME("\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
DWORD svcctl_ChangeServiceConfigA(
void)
{
WINE_FIXME("\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
DWORD svcctl_CreateServiceA(
void)
{
WINE_FIXME("\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
DWORD svcctl_EnumDependentServicesA(
void)
{
WINE_FIXME("\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
DWORD svcctl_EnumServicesStatusA(
void)
{
WINE_FIXME("\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
DWORD svcctl_OpenSCManagerA(
void)
{
WINE_FIXME("\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
DWORD svcctl_OpenServiceA(
void)
{
WINE_FIXME("\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
DWORD svcctl_QueryServiceConfigA(
void)
{
WINE_FIXME("\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
DWORD svcctl_QueryServiceLockStatusA(
void)
{
WINE_FIXME("\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
DWORD svcctl_StartServiceA(
void)
{
WINE_FIXME("\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
DWORD svcctl_GetServiceDisplayNameA(
void)
{
WINE_FIXME("\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
DWORD svcctl_GetServiceKeyNameA(
void)
{
WINE_FIXME("\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
DWORD svcctl_GetCurrentGroupStateW(
void)
{
WINE_FIXME("\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
DWORD svcctl_EnumServiceGroupW(
void)
{
WINE_FIXME("\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
DWORD svcctl_ChangeServiceConfig2A(
void)
{
WINE_FIXME("\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
DWORD svcctl_QueryServiceConfig2A(
void)
{
WINE_FIXME("\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
DWORD RPC_Init(void)
{
WCHAR transport[] = SVCCTL_TRANSPORT;
WCHAR endpoint[] = SVCCTL_ENDPOINT;
DWORD err;
if ((err = RpcServerUseProtseqEpW(transport, 0, endpoint, NULL)) != ERROR_SUCCESS)
{
WINE_ERR("RpcServerUseProtseq failed with error %u\n", err);
return err;
}
if ((err = RpcServerRegisterIf(svcctl_v2_0_s_ifspec, 0, 0)) != ERROR_SUCCESS)
{
WINE_ERR("RpcServerRegisterIf failed with error %u\n", err);
return err;
}
if ((err = RpcServerListen(1, RPC_C_LISTEN_MAX_CALLS_DEFAULT, TRUE)) != ERROR_SUCCESS)
{
WINE_ERR("RpcServerListen failed with error %u\n", err);
return err;
}
return ERROR_SUCCESS;
}
DWORD RPC_MainLoop(void)
{
DWORD err;
HANDLE hExitEvent = __wine_make_process_system();
SetEvent(g_hStartedEvent);
WINE_TRACE("Entered main loop\n");
do
{
err = WaitForSingleObjectEx(hExitEvent, INFINITE, TRUE);
WINE_TRACE("Wait returned %d\n", err);
} while (err != WAIT_OBJECT_0);
WINE_TRACE("Object signaled - wine shutdown\n");
CloseHandle(hExitEvent);
return ERROR_SUCCESS;
}
void __RPC_USER SC_RPC_HANDLE_rundown(SC_RPC_HANDLE handle)
{
SC_RPC_HANDLE_destroy(handle);
}
void __RPC_FAR * __RPC_USER MIDL_user_allocate(SIZE_T len)
{
return HeapAlloc(GetProcessHeap(), 0, len);
}
void __RPC_USER MIDL_user_free(void __RPC_FAR * ptr)
{
HeapFree(GetProcessHeap(), 0, ptr);
}
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