ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
Sweden-Number/dlls/sechost/service.c

2121 lines
63 KiB
C
Raw Blame History

/*
* Service control API
*
* Copyright 1995 Sven Verdoolaege
* Copyright 2005 Mike McCormack
* Copyright 2007 Rolf Kalbermatter
*
* 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 NONAMELESSUNION
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "winsvc.h"
#include "winternl.h"
#include "winuser.h"
#include "dbt.h"
#include "wine/debug.h"
#include "wine/exception.h"
#include "wine/heap.h"
#include "wine/list.h"
#include "svcctl.h"
#include "plugplay.h"
WINE_DEFAULT_DEBUG_CHANNEL(service);
struct notify_data
{
SC_HANDLE service;
SC_RPC_NOTIFY_PARAMS params;
SERVICE_NOTIFY_STATUS_CHANGE_PARAMS_2 cparams;
SC_NOTIFY_RPC_HANDLE notify_handle;
SERVICE_NOTIFYW *notify_buffer;
HANDLE calling_thread, ready_evt;
struct list entry;
};
static struct list notify_list = LIST_INIT(notify_list);
static CRITICAL_SECTION service_cs;
static CRITICAL_SECTION_DEBUG service_cs_debug =
{
0, 0, &service_cs,
{ &service_cs_debug.ProcessLocksList,
&service_cs_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": service_cs") }
};
static CRITICAL_SECTION service_cs = { &service_cs_debug, -1, 0, 0, 0, 0 };
struct service_data
{
LPHANDLER_FUNCTION_EX handler;
void *context;
HANDLE thread;
SC_HANDLE handle;
SC_HANDLE full_access_handle;
unsigned int unicode : 1;
union
{
LPSERVICE_MAIN_FUNCTIONA a;
LPSERVICE_MAIN_FUNCTIONW w;
} proc;
WCHAR *args;
WCHAR name[1];
};
struct dispatcher_data
{
SC_HANDLE manager;
HANDLE pipe;
};
static struct service_data **services;
static unsigned int nb_services;
static HANDLE service_event;
static BOOL stop_service;
extern HANDLE CDECL __wine_make_process_system(void);
static WCHAR *heap_strdupAtoW( const char *src )
{
WCHAR *dst = NULL;
if (src)
{
DWORD len = MultiByteToWideChar( CP_ACP, 0, src, -1, NULL, 0 );
if ((dst = heap_alloc( len * sizeof(WCHAR) ))) MultiByteToWideChar( CP_ACP, 0, src, -1, dst, len );
}
return dst;
}
static WCHAR *heap_strdup_multi_AtoW( const char *src )
{
WCHAR *dst = NULL;
const char *p = src;
DWORD len;
if (!src) return NULL;
while (*p) p += strlen(p) + 1;
for (p = src; *p; p += strlen(p) + 1);
p++; /* final null */
len = MultiByteToWideChar( CP_ACP, 0, src, p - src, NULL, 0 );
if ((dst = heap_alloc( len * sizeof(WCHAR) ))) MultiByteToWideChar( CP_ACP, 0, src, p - src, dst, len );
return dst;
}
static inline DWORD multisz_size( const WCHAR *str )
{
const WCHAR *p = str;
if (!str) return 0;
while (*p) p += wcslen(p) + 1;
return (p - str + 1) * sizeof(WCHAR);
}
void __RPC_FAR * __RPC_USER MIDL_user_allocate( SIZE_T len )
{
return heap_alloc(len);
}
void __RPC_USER MIDL_user_free( void __RPC_FAR *ptr )
{
heap_free(ptr);
}
static LONG WINAPI rpc_filter( EXCEPTION_POINTERS *eptr )
{
return I_RpcExceptionFilter( eptr->ExceptionRecord->ExceptionCode );
}
static DWORD map_exception_code( DWORD exception_code )
{
switch (exception_code)
{
case RPC_X_NULL_REF_POINTER:
return ERROR_INVALID_ADDRESS;
case RPC_X_ENUM_VALUE_OUT_OF_RANGE:
case RPC_X_BYTE_COUNT_TOO_SMALL:
return ERROR_INVALID_PARAMETER;
case RPC_S_INVALID_BINDING:
case RPC_X_SS_IN_NULL_CONTEXT:
return ERROR_INVALID_HANDLE;
default:
return exception_code;
}
}
static handle_t rpc_wstr_bind( RPC_WSTR str )
{
WCHAR transport[] = SVCCTL_TRANSPORT;
WCHAR endpoint[] = SVCCTL_ENDPOINT;
RPC_WSTR binding_str;
RPC_STATUS status;
handle_t rpc_handle;
status = RpcStringBindingComposeW( NULL, transport, str, endpoint, NULL, &binding_str );
if (status != RPC_S_OK)
{
ERR("RpcStringBindingComposeW failed, error %d\n", status);
return NULL;
}
status = RpcBindingFromStringBindingW( binding_str, &rpc_handle );
RpcStringFreeW( &binding_str );
if (status != RPC_S_OK)
{
ERR("Couldn't connect to services.exe, error %d\n", status);
return NULL;
}
return rpc_handle;
}
static handle_t rpc_cstr_bind(RPC_CSTR str)
{
RPC_CSTR transport = (RPC_CSTR)SVCCTL_TRANSPORTA;
RPC_CSTR endpoint = (RPC_CSTR)SVCCTL_ENDPOINTA;
RPC_CSTR binding_str;
RPC_STATUS status;
handle_t rpc_handle;
status = RpcStringBindingComposeA( NULL, transport, str, endpoint, NULL, &binding_str );
if (status != RPC_S_OK)
{
ERR("RpcStringBindingComposeA failed, error %d\n", status);
return NULL;
}
status = RpcBindingFromStringBindingA( binding_str, &rpc_handle );
RpcStringFreeA( &binding_str );
if (status != RPC_S_OK)
{
ERR("Couldn't connect to services.exe, error %d\n", status);
return NULL;
}
return rpc_handle;
}
DECLSPEC_HIDDEN handle_t __RPC_USER MACHINE_HANDLEA_bind( MACHINE_HANDLEA name )
{
return rpc_cstr_bind( (RPC_CSTR)name );
}
DECLSPEC_HIDDEN void __RPC_USER MACHINE_HANDLEA_unbind( MACHINE_HANDLEA name, handle_t h )
{
RpcBindingFree( &h );
}
DECLSPEC_HIDDEN handle_t __RPC_USER MACHINE_HANDLEW_bind( MACHINE_HANDLEW name )
{
return rpc_wstr_bind( (RPC_WSTR)name );
}
DECLSPEC_HIDDEN void __RPC_USER MACHINE_HANDLEW_unbind( MACHINE_HANDLEW name, handle_t h )
{
RpcBindingFree( &h );
}
DECLSPEC_HIDDEN handle_t __RPC_USER SVCCTL_HANDLEW_bind( SVCCTL_HANDLEW name )
{
return rpc_wstr_bind( (RPC_WSTR)name );
}
DECLSPEC_HIDDEN void __RPC_USER SVCCTL_HANDLEW_unbind( SVCCTL_HANDLEW name, handle_t h )
{
RpcBindingFree( &h );
}
static BOOL set_error( DWORD err )
{
if (err) SetLastError( err );
return !err;
}
/******************************************************************************
* OpenSCManagerA (sechost.@)
*/
SC_HANDLE WINAPI DECLSPEC_HOTPATCH OpenSCManagerA( const char *machine, const char *database, DWORD access )
{
WCHAR *machineW, *databaseW;
SC_HANDLE ret;
machineW = heap_strdupAtoW( machine );
databaseW = heap_strdupAtoW( database );
ret = OpenSCManagerW( machineW, databaseW, access );
heap_free( databaseW );
heap_free( machineW );
return ret;
}
/******************************************************************************
* OpenSCManagerW (sechost.@)
*/
SC_HANDLE WINAPI DECLSPEC_HOTPATCH OpenSCManagerW( const WCHAR *machine, const WCHAR *database, DWORD access )
{
SC_RPC_HANDLE handle = NULL;
DWORD err;
TRACE( "%s %s %#x\n", debugstr_w(machine), debugstr_w(database), access );
__TRY
{
err = svcctl_OpenSCManagerW( machine, database, access, &handle );
}
__EXCEPT(rpc_filter)
{
err = map_exception_code( GetExceptionCode() );
}
__ENDTRY
if (!err) return handle;
SetLastError( err );
return NULL;
}
/******************************************************************************
* OpenServiceA (sechost.@)
*/
SC_HANDLE WINAPI DECLSPEC_HOTPATCH OpenServiceA( SC_HANDLE manager, const char *name, DWORD access )
{
WCHAR *nameW;
SC_HANDLE ret;
TRACE( "%p %s %#x\n", manager, debugstr_a(name), access );
nameW = heap_strdupAtoW( name );
ret = OpenServiceW( manager, nameW, access );
heap_free( nameW );
return ret;
}
/******************************************************************************
* OpenServiceW (sechost.@)
*/
SC_HANDLE WINAPI DECLSPEC_HOTPATCH OpenServiceW( SC_HANDLE manager, const WCHAR *name, DWORD access )
{
SC_RPC_HANDLE handle = NULL;
DWORD err;
TRACE( "%p %s %#x\n", manager, debugstr_w(name), access );
if (!manager)
{
SetLastError( ERROR_INVALID_HANDLE );
return NULL;
}
__TRY
{
err = svcctl_OpenServiceW( manager, name, access, &handle );
}
__EXCEPT(rpc_filter)
{
err = map_exception_code( GetExceptionCode() );
}
__ENDTRY
if (!err) return handle;
SetLastError( err );
return 0;
}
/******************************************************************************
* CreateServiceA (sechost.@)
*/
SC_HANDLE WINAPI DECLSPEC_HOTPATCH CreateServiceA( SC_HANDLE manager, const char *name, const char *display_name,
DWORD access, DWORD service_type, DWORD start_type,
DWORD error_control, const char *path, const char *group,
DWORD *tag, const char *dependencies, const char *username,
const char *password )
{
WCHAR *nameW, *display_nameW, *pathW, *groupW, *dependenciesW, *usernameW, *passwordW;
SC_HANDLE handle;
TRACE( "%p %s %s\n", manager, debugstr_a(name), debugstr_a(display_name) );
nameW = heap_strdupAtoW( name );
display_nameW = heap_strdupAtoW( display_name );
pathW = heap_strdupAtoW( path );
groupW = heap_strdupAtoW( group );
dependenciesW = heap_strdupAtoW( dependencies );
usernameW = heap_strdupAtoW( username );
passwordW = heap_strdupAtoW( password );
handle = CreateServiceW( manager, nameW, display_nameW, access, service_type, start_type, error_control,
pathW, groupW, tag, dependenciesW, usernameW, passwordW );
heap_free( nameW );
heap_free( display_nameW );
heap_free( pathW );
heap_free( groupW );
heap_free( dependenciesW );
heap_free( usernameW );
heap_free( passwordW );
return handle;
}
/******************************************************************************
* CreateServiceW (sechost.@)
*/
SC_HANDLE WINAPI DECLSPEC_HOTPATCH CreateServiceW( SC_HANDLE manager, const WCHAR *name, const WCHAR *display_name,
DWORD access, DWORD service_type, DWORD start_type,
DWORD error_control, const WCHAR *path, const WCHAR *group,
DWORD *tag, const WCHAR *dependencies, const WCHAR *username,
const WCHAR *password )
{
SC_RPC_HANDLE handle = NULL;
DWORD err;
SIZE_T password_size = 0;
TRACE( "%p %s %s\n", manager, debugstr_w(name), debugstr_w(display_name) );
if (!manager)
{
SetLastError( ERROR_INVALID_HANDLE );
return 0;
}
if (password) password_size = (wcslen(password) + 1) * sizeof(WCHAR);
__TRY
{
BOOL is_wow64;
if (IsWow64Process(GetCurrentProcess(), &is_wow64) && is_wow64)
err = svcctl_CreateServiceWOW64W( manager, name, display_name, access, service_type, start_type,
error_control, path, group, tag, (const BYTE *)dependencies,
multisz_size( dependencies ), username, (const BYTE *)password,
password_size, &handle );
else
err = svcctl_CreateServiceW( manager, name, display_name, access, service_type, start_type,
error_control, path, group, tag, (const BYTE *)dependencies,
multisz_size( dependencies ), username, (const BYTE *)password,
password_size, &handle );
}
__EXCEPT(rpc_filter)
{
err = map_exception_code( GetExceptionCode() );
}
__ENDTRY
if (!err) return handle;
SetLastError( err );
return NULL;
}
/******************************************************************************
* DeleteService (sechost.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH DeleteService( SC_HANDLE service )
{
DWORD err;
TRACE( "%p\n", service );
__TRY
{
err = svcctl_DeleteService( service );
}
__EXCEPT(rpc_filter)
{
err = map_exception_code( GetExceptionCode() );
}
__ENDTRY
return set_error( err );
}
/******************************************************************************
* CloseServiceHandle (sechost.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH CloseServiceHandle( SC_HANDLE handle )
{
DWORD err;
TRACE( "%p\n", handle );
__TRY
{
err = svcctl_CloseServiceHandle( (SC_RPC_HANDLE *)&handle );
}
__EXCEPT(rpc_filter)
{
err = map_exception_code( GetExceptionCode() );
}
__ENDTRY
return set_error( err );
}
/******************************************************************************
* ChangeServiceConfig2A (sechost.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH ChangeServiceConfig2A( SC_HANDLE service, DWORD level, void *info)
{
BOOL r = FALSE;
TRACE( "%p %d %p\n", service, level, info );
if (level == SERVICE_CONFIG_DESCRIPTION)
{
SERVICE_DESCRIPTIONA *sd = info;
SERVICE_DESCRIPTIONW sdw;
sdw.lpDescription = heap_strdupAtoW( sd->lpDescription );
r = ChangeServiceConfig2W( service, level, &sdw );
heap_free( sdw.lpDescription );
}
else if (level == SERVICE_CONFIG_FAILURE_ACTIONS)
{
SERVICE_FAILURE_ACTIONSA *fa = info;
SERVICE_FAILURE_ACTIONSW faw;
faw.dwResetPeriod = fa->dwResetPeriod;
faw.lpRebootMsg = heap_strdupAtoW( fa->lpRebootMsg );
faw.lpCommand = heap_strdupAtoW( fa->lpCommand );
faw.cActions = fa->cActions;
faw.lpsaActions = fa->lpsaActions;
r = ChangeServiceConfig2W( service, level, &faw );
heap_free( faw.lpRebootMsg );
heap_free( faw.lpCommand );
}
else if (level == SERVICE_CONFIG_PRESHUTDOWN_INFO)
{
r = ChangeServiceConfig2W( service, level, info );
}
else
SetLastError( ERROR_INVALID_PARAMETER );
return r;
}
/******************************************************************************
* ChangeServiceConfig2W (sechost.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH ChangeServiceConfig2W( SC_HANDLE service, DWORD level, void *info )
{
SERVICE_RPC_REQUIRED_PRIVILEGES_INFO rpc_privinfo;
DWORD err;
__TRY
{
SC_RPC_CONFIG_INFOW rpc_info;
rpc_info.dwInfoLevel = level;
if (level == SERVICE_CONFIG_REQUIRED_PRIVILEGES_INFO)
{
SERVICE_REQUIRED_PRIVILEGES_INFOW *privinfo = info;
rpc_privinfo.cbRequiredPrivileges = multisz_size( privinfo->pmszRequiredPrivileges );
rpc_privinfo.pRequiredPrivileges = (BYTE *)privinfo->pmszRequiredPrivileges;
rpc_info.u.privinfo = &rpc_privinfo;
}
else
rpc_info.u.descr = info;
err = svcctl_ChangeServiceConfig2W( service, rpc_info );
}
__EXCEPT(rpc_filter)
{
err = map_exception_code( GetExceptionCode() );
}
__ENDTRY
return set_error( err );
}
/******************************************************************************
* ChangeServiceConfigA (sechost.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH ChangeServiceConfigA( SC_HANDLE service, DWORD service_type, DWORD start_type,
DWORD error_control, const char *path, const char *group,
DWORD *tag, const char *dependencies, const char *username,
const char *password, const char *display_name )
{
WCHAR *pathW, *groupW, *dependenciesW, *usernameW, *passwordW, *display_nameW;
BOOL r;
TRACE( "%p %d %d %d %s %s %p %p %s %s %s\n", service, service_type, start_type,
error_control, debugstr_a(path), debugstr_a(group), tag, dependencies,
debugstr_a(username), debugstr_a(password), debugstr_a(display_name) );
pathW = heap_strdupAtoW( path );
groupW = heap_strdupAtoW( group );
dependenciesW = heap_strdup_multi_AtoW( dependencies );
usernameW = heap_strdupAtoW( username );
passwordW = heap_strdupAtoW( password );
display_nameW = heap_strdupAtoW( display_name );
r = ChangeServiceConfigW( service, service_type, start_type, error_control, pathW,
groupW, tag, dependenciesW, usernameW, passwordW, display_nameW );
heap_free( pathW );
heap_free( groupW );
heap_free( dependenciesW );
heap_free( usernameW );
heap_free( passwordW );
heap_free( display_nameW );
return r;
}
/******************************************************************************
* ChangeServiceConfigW (sechost.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH ChangeServiceConfigW( SC_HANDLE service, DWORD service_type, DWORD start_type,
DWORD error_control, const WCHAR *path, const WCHAR *group,
DWORD *tag, const WCHAR *dependencies, const WCHAR *username,
const WCHAR *password, const WCHAR *display_name )
{
DWORD password_size;
DWORD err;
TRACE( "%p %d %d %d %s %s %p %p %s %s %s\n", service, service_type, start_type,
error_control, debugstr_w(path), debugstr_w(group), tag, dependencies,
debugstr_w(username), debugstr_w(password), debugstr_w(display_name) );
password_size = password ? (wcslen(password) + 1) * sizeof(WCHAR) : 0;
__TRY
{
err = svcctl_ChangeServiceConfigW( service, service_type, start_type, error_control, path, group, tag,
(const BYTE *)dependencies, multisz_size(dependencies), username,
(const BYTE *)password, password_size, display_name );
}
__EXCEPT(rpc_filter)
{
err = map_exception_code( GetExceptionCode() );
}
__ENDTRY
return set_error( err );
}
/******************************************************************************
* QueryServiceConfigA (sechost.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH QueryServiceConfigA( SC_HANDLE service, QUERY_SERVICE_CONFIGA *config,
DWORD size, DWORD *ret_size )
{
DWORD n;
char *p, *buffer;
BOOL ret;
QUERY_SERVICE_CONFIGW *configW;
TRACE( "%p %p %d %p\n", service, config, size, ret_size );
if (!(buffer = heap_alloc( 2 * size ))) return set_error( ERROR_NOT_ENOUGH_MEMORY );
configW = (QUERY_SERVICE_CONFIGW *)buffer;
ret = QueryServiceConfigW( service, configW, 2 * size, ret_size );
if (!ret) goto done;
config->dwServiceType = configW->dwServiceType;
config->dwStartType = configW->dwStartType;
config->dwErrorControl = configW->dwErrorControl;
config->lpBinaryPathName = NULL;
config->lpLoadOrderGroup = NULL;
config->dwTagId = configW->dwTagId;
config->lpDependencies = NULL;
config->lpServiceStartName = NULL;
config->lpDisplayName = NULL;
p = (char *)(config + 1);
n = size - sizeof(*config);
ret = FALSE;
#define MAP_STR(str) \
do { \
if (configW->str) \
{ \
DWORD sz = WideCharToMultiByte( CP_ACP, 0, configW->str, -1, p, n, NULL, NULL ); \
if (!sz) goto done; \
config->str = p; \
p += sz; \
n -= sz; \
} \
} while (0)
MAP_STR( lpBinaryPathName );
MAP_STR( lpLoadOrderGroup );
MAP_STR( lpDependencies );
MAP_STR( lpServiceStartName );
MAP_STR( lpDisplayName );
#undef MAP_STR
*ret_size = p - (char *)config;
ret = TRUE;
done:
heap_free( buffer );
return ret;
}
static DWORD move_string_to_buffer(BYTE **buf, WCHAR **string_ptr)
{
DWORD cb;
if (!*string_ptr)
{
cb = sizeof(WCHAR);
memset(*buf, 0, cb);
}
else
{
cb = (wcslen( *string_ptr ) + 1) * sizeof(WCHAR);
memcpy(*buf, *string_ptr, cb);
MIDL_user_free( *string_ptr );
}
*string_ptr = (WCHAR *)*buf;
*buf += cb;
return cb;
}
static DWORD size_string( const WCHAR *string )
{
return (string ? (wcslen( string ) + 1) * sizeof(WCHAR) : sizeof(WCHAR));
}
/******************************************************************************
* QueryServiceConfigW (sechost.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH QueryServiceConfigW( SC_HANDLE service, QUERY_SERVICE_CONFIGW *ret_config,
DWORD size, DWORD *ret_size )
{
QUERY_SERVICE_CONFIGW config;
DWORD total;
DWORD err;
BYTE *bufpos;
TRACE( "%p %p %d %p\n", service, ret_config, size, ret_size );
memset(&config, 0, sizeof(config));
__TRY
{
err = svcctl_QueryServiceConfigW( service, &config, size, ret_size );
}
__EXCEPT(rpc_filter)
{
err = map_exception_code( GetExceptionCode() );
}
__ENDTRY
if (err) return set_error( err );
/* calculate the size required first */
total = sizeof(QUERY_SERVICE_CONFIGW);
total += size_string( config.lpBinaryPathName );
total += size_string( config.lpLoadOrderGroup );
total += size_string( config.lpDependencies );
total += size_string( config.lpServiceStartName );
total += size_string( config.lpDisplayName );
*ret_size = total;
/* if there's not enough memory, return an error */
if (size < total)
{
SetLastError( ERROR_INSUFFICIENT_BUFFER );
MIDL_user_free( config.lpBinaryPathName );
MIDL_user_free( config.lpLoadOrderGroup );
MIDL_user_free( config.lpDependencies );
MIDL_user_free( config.lpServiceStartName );
MIDL_user_free( config.lpDisplayName );
return FALSE;
}
*ret_config = config;
bufpos = ((BYTE *)ret_config) + sizeof(QUERY_SERVICE_CONFIGW);
move_string_to_buffer( &bufpos, &ret_config->lpBinaryPathName );
move_string_to_buffer( &bufpos, &ret_config->lpLoadOrderGroup );
move_string_to_buffer( &bufpos, &ret_config->lpDependencies );
move_string_to_buffer( &bufpos, &ret_config->lpServiceStartName );
move_string_to_buffer( &bufpos, &ret_config->lpDisplayName );
TRACE( "Image path = %s\n", debugstr_w( ret_config->lpBinaryPathName ) );
TRACE( "Group = %s\n", debugstr_w( ret_config->lpLoadOrderGroup ) );
TRACE( "Dependencies = %s\n", debugstr_w( ret_config->lpDependencies ) );
TRACE( "Service account name = %s\n", debugstr_w( ret_config->lpServiceStartName ) );
TRACE( "Display name = %s\n", debugstr_w( ret_config->lpDisplayName ) );
return TRUE;
}
/******************************************************************************
* QueryServiceConfig2A (sechost.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH QueryServiceConfig2A( SC_HANDLE service, DWORD level, BYTE *buffer,
DWORD size, DWORD *ret_size )
{
BYTE *bufferW = NULL;
TRACE( "%p %u %p %u %p\n", service, level, buffer, size, ret_size );
if (buffer && size)
bufferW = heap_alloc( size );
if (!QueryServiceConfig2W( service, level, bufferW, size, ret_size ))
{
heap_free( bufferW );
return FALSE;
}
switch (level)
{
case SERVICE_CONFIG_DESCRIPTION:
if (buffer && bufferW) {
SERVICE_DESCRIPTIONA *configA = (SERVICE_DESCRIPTIONA *)buffer;
SERVICE_DESCRIPTIONW *configW = (SERVICE_DESCRIPTIONW *)bufferW;
if (configW->lpDescription && size > sizeof(SERVICE_DESCRIPTIONA))
{
configA->lpDescription = (char *)(configA + 1);
WideCharToMultiByte( CP_ACP, 0, configW->lpDescription, -1, configA->lpDescription,
size - sizeof(SERVICE_DESCRIPTIONA), NULL, NULL );
}
else configA->lpDescription = NULL;
}
break;
case SERVICE_CONFIG_PRESHUTDOWN_INFO:
if (buffer && bufferW && *ret_size <= size)
memcpy(buffer, bufferW, *ret_size);
break;
default:
FIXME("conversion W->A not implemented for level %d\n", level);
heap_free( bufferW );
return FALSE;
}
heap_free( bufferW );
return TRUE;
}
/******************************************************************************
* QueryServiceConfig2W (sechost.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH QueryServiceConfig2W( SC_HANDLE service, DWORD level, BYTE *buffer,
DWORD size, DWORD *ret_size )
{
BYTE *bufptr;
DWORD err;
TRACE( "%p %u %p %u %p\n", service, level, buffer, size, ret_size );
if (!buffer && size)
{
SetLastError(ERROR_INVALID_ADDRESS);
return FALSE;
}
switch (level)
{
case SERVICE_CONFIG_DESCRIPTION:
if (!(bufptr = heap_alloc( size )))
{
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
return FALSE;
}
break;
case SERVICE_CONFIG_PRESHUTDOWN_INFO:
bufptr = buffer;
break;
default:
FIXME("Level %d not implemented\n", level);
SetLastError(ERROR_INVALID_LEVEL);
return FALSE;
}
if (!ret_size)
{
if (level == SERVICE_CONFIG_DESCRIPTION) heap_free( bufptr );
SetLastError(ERROR_INVALID_ADDRESS);
return FALSE;
}
__TRY
{
err = svcctl_QueryServiceConfig2W( service, level, bufptr, size, ret_size );
}
__EXCEPT(rpc_filter)
{
err = map_exception_code( GetExceptionCode() );
}
__ENDTRY
switch (level)
{
case SERVICE_CONFIG_DESCRIPTION:
{
SERVICE_DESCRIPTIONW *desc = (SERVICE_DESCRIPTIONW *)buffer;
struct service_description *s = (struct service_description *)bufptr;
if (err != ERROR_SUCCESS && err != ERROR_INSUFFICIENT_BUFFER)
{
heap_free( bufptr );
SetLastError( err );
return FALSE;
}
/* adjust for potentially larger SERVICE_DESCRIPTIONW structure */
if (*ret_size == sizeof(*s))
*ret_size = sizeof(*desc);
else
*ret_size = *ret_size - FIELD_OFFSET(struct service_description, description) + sizeof(*desc);
if (size < *ret_size)
{
heap_free( bufptr );
SetLastError( ERROR_INSUFFICIENT_BUFFER );
return FALSE;
}
if (desc)
{
if (!s->size) desc->lpDescription = NULL;
else
{
desc->lpDescription = (WCHAR *)(desc + 1);
memcpy( desc->lpDescription, s->description, s->size );
}
}
heap_free( bufptr );
break;
}
case SERVICE_CONFIG_PRESHUTDOWN_INFO:
return set_error( err );
default:
break;
}
return TRUE;
}
/******************************************************************************
* GetServiceDisplayNameW (sechost.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetServiceDisplayNameW( SC_HANDLE manager, const WCHAR *service,
WCHAR *display_name, DWORD *len )
{
DWORD err;
DWORD size;
WCHAR buffer[2];
TRACE( "%p %s %p %p\n", manager, debugstr_w(service), display_name, len );
if (!manager)
{
SetLastError( ERROR_INVALID_HANDLE );
return FALSE;
}
/* provide a buffer if the caller didn't */
if (!display_name || *len < sizeof(WCHAR))
{
display_name = buffer;
/* A size of 1 would be enough, but tests show that Windows returns 2,
* probably because of a WCHAR/bytes mismatch in their code. */
*len = 2;
}
/* RPC call takes size excluding nul-terminator, whereas *len
* includes the nul-terminator on input. */
size = *len - 1;
__TRY
{
err = svcctl_GetServiceDisplayNameW( manager, service, display_name, &size );
}
__EXCEPT(rpc_filter)
{
err = map_exception_code( GetExceptionCode() );
}
__ENDTRY
/* The value of *len excludes nul-terminator on output. */
if (err == ERROR_SUCCESS || err == ERROR_INSUFFICIENT_BUFFER)
*len = size;
return set_error( err );
}
/******************************************************************************
* GetServiceKeyNameW (sechost.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetServiceKeyNameW( SC_HANDLE manager, const WCHAR *display_name,
WCHAR *key_name, DWORD *len )
{
DWORD err;
WCHAR buffer[2];
DWORD size;
TRACE( "%p %s %p %p\n", manager, debugstr_w(display_name), key_name, len );
if (!manager)
{
SetLastError( ERROR_INVALID_HANDLE );
return FALSE;
}
/* provide a buffer if the caller didn't */
if (!key_name || *len < 2)
{
key_name = buffer;
/* A size of 1 would be enough, but tests show that Windows returns 2,
* probably because of a WCHAR/bytes mismatch in their code.
*/
*len = 2;
}
/* RPC call takes size excluding nul-terminator, whereas *len
* includes the nul-terminator on input. */
size = *len - 1;
__TRY
{
err = svcctl_GetServiceKeyNameW( manager, display_name, key_name, &size );
}
__EXCEPT(rpc_filter)
{
err = map_exception_code( GetExceptionCode() );
}
__ENDTRY
/* The value of *lpcchBuffer excludes nul-terminator on output. */
if (err == ERROR_SUCCESS || err == ERROR_INSUFFICIENT_BUFFER)
*len = size;
return set_error( err );
}
/******************************************************************************
* StartServiceA (sechost.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH StartServiceA( SC_HANDLE service, DWORD argc, const char **argv )
{
WCHAR **argvW = NULL;
DWORD i;
BOOL r;
if (argc)
argvW = heap_alloc( argc * sizeof(WCHAR) );
for (i = 0; i < argc; i++)
argvW[i] = heap_strdupAtoW( argv[i] );
r = StartServiceW( service, argc, (const WCHAR **)argvW );
for (i = 0; i < argc; i++)
heap_free( argvW[i] );
heap_free( argvW );
return r;
}
/******************************************************************************
* StartServiceW (sechost.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH StartServiceW( SC_HANDLE service, DWORD argc, const WCHAR **argv )
{
DWORD err;
TRACE( "%p %u %p\n", service, argc, argv );
__TRY
{
err = svcctl_StartServiceW( service, argc, argv );
}
__EXCEPT(rpc_filter)
{
err = map_exception_code( GetExceptionCode() );
}
__ENDTRY
return set_error( err );
}
/******************************************************************************
* ControlService (sechost.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH ControlService( SC_HANDLE service, DWORD control, SERVICE_STATUS *status )
{
DWORD err;
TRACE( "%p %d %p\n", service, control, status );
__TRY
{
err = svcctl_ControlService( service, control, status );
}
__EXCEPT(rpc_filter)
{
err = map_exception_code( GetExceptionCode() );
}
__ENDTRY
return set_error( err );
}
/******************************************************************************
* QueryServiceStatus (sechost.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH QueryServiceStatus( SC_HANDLE service, SERVICE_STATUS *status )
{
SERVICE_STATUS_PROCESS process_status;
BOOL ret;
DWORD size;
TRACE( "%p %p\n", service, status );
if (!service) return set_error( ERROR_INVALID_HANDLE );
if (!status) return set_error( ERROR_INVALID_ADDRESS );
ret = QueryServiceStatusEx( service, SC_STATUS_PROCESS_INFO, (BYTE *)&process_status,
sizeof(SERVICE_STATUS_PROCESS), &size );
if (ret) memcpy(status, &process_status, sizeof(SERVICE_STATUS) );
return ret;
}
/******************************************************************************
* QueryServiceStatusEx (sechost.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH QueryServiceStatusEx( SC_HANDLE service, SC_STATUS_TYPE level,
BYTE *buffer, DWORD size, DWORD *ret_size )
{
DWORD err;
TRACE( "%p %d %p %d %p\n", service, level, buffer, size, ret_size );
if (level != SC_STATUS_PROCESS_INFO) return set_error( ERROR_INVALID_LEVEL );
if (size < sizeof(SERVICE_STATUS_PROCESS))
{
*ret_size = sizeof(SERVICE_STATUS_PROCESS);
return set_error( ERROR_INSUFFICIENT_BUFFER );
}
__TRY
{
err = svcctl_QueryServiceStatusEx( service, level, buffer, size, ret_size );
}
__EXCEPT(rpc_filter)
{
err = map_exception_code( GetExceptionCode() );
}
__ENDTRY
return set_error( err );
}
/******************************************************************************
* EnumServicesStatusExW (sechost.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH EnumServicesStatusExW( SC_HANDLE manager, SC_ENUM_TYPE level, DWORD type, DWORD state,
BYTE *buffer, DWORD size, DWORD *needed, DWORD *returned,
DWORD *resume_handle, const WCHAR *group )
{
DWORD err, i, offset, buflen, count, total_size = 0;
ENUM_SERVICE_STATUS_PROCESSW *services = (ENUM_SERVICE_STATUS_PROCESSW *)buffer;
struct enum_service_status_process *entry;
const WCHAR *str;
BYTE *buf;
TRACE( "%p %u 0x%x 0x%x %p %u %p %p %p %s\n", manager, level, type, state, buffer,
size, needed, returned, resume_handle, debugstr_w(group) );
if (level != SC_ENUM_PROCESS_INFO) return set_error( ERROR_INVALID_LEVEL );
if (!manager) return set_error( ERROR_INVALID_HANDLE );
if (!needed || !returned) return set_error( ERROR_INVALID_ADDRESS );
/* make sure we pass a valid pointer */
buflen = max( size, sizeof(*services) );
if (!(buf = heap_alloc( buflen ))) return set_error( ERROR_NOT_ENOUGH_MEMORY );
__TRY
{
err = svcctl_EnumServicesStatusExW( manager, SC_ENUM_PROCESS_INFO, type, state, buf, buflen, needed,
&count, resume_handle, group );
}
__EXCEPT(rpc_filter)
{
err = map_exception_code( GetExceptionCode() );
}
__ENDTRY
*returned = 0;
if (err != ERROR_SUCCESS)
{
/* double the needed size to fit the potentially larger ENUM_SERVICE_STATUS_PROCESSW */
if (err == ERROR_MORE_DATA) *needed *= 2;
heap_free( buf );
SetLastError( err );
return FALSE;
}
entry = (struct enum_service_status_process *)buf;
for (i = 0; i < count; i++)
{
total_size += sizeof(*services);
if (entry->service_name)
{
str = (const WCHAR *)(buf + entry->service_name);
total_size += (wcslen( str ) + 1) * sizeof(WCHAR);
}
if (entry->display_name)
{
str = (const WCHAR *)(buf + entry->display_name);
total_size += (wcslen( str ) + 1) * sizeof(WCHAR);
}
entry++;
}
if (total_size > size)
{
heap_free( buf );
*needed = total_size;
SetLastError( ERROR_MORE_DATA );
return FALSE;
}
offset = count * sizeof(*services);
entry = (struct enum_service_status_process *)buf;
for (i = 0; i < count; i++)
{
DWORD str_size;
str = (const WCHAR *)(buf + entry->service_name);
str_size = (wcslen( str ) + 1) * sizeof(WCHAR);
services[i].lpServiceName = (WCHAR *)((char *)services + offset);
memcpy( services[i].lpServiceName, str, str_size );
offset += str_size;
if (!entry->display_name) services[i].lpDisplayName = NULL;
else
{
str = (const WCHAR *)(buf + entry->display_name);
str_size = (wcslen( str ) + 1) * sizeof(WCHAR);
services[i].lpDisplayName = (WCHAR *)((char *)services + offset);
memcpy( services[i].lpDisplayName, str, str_size );
offset += str_size;
}
services[i].ServiceStatusProcess = entry->service_status_process;
entry++;
}
heap_free( buf );
*needed = 0;
*returned = count;
return TRUE;
}
/******************************************************************************
* EnumDependentServicesW (sechost.@)
*/
BOOL WINAPI EnumDependentServicesW( SC_HANDLE hService, DWORD dwServiceState,
LPENUM_SERVICE_STATUSW lpServices, DWORD cbBufSize,
LPDWORD pcbBytesNeeded, LPDWORD lpServicesReturned )
{
FIXME("%p 0x%08x %p 0x%08x %p %p - stub\n", hService, dwServiceState,
lpServices, cbBufSize, pcbBytesNeeded, lpServicesReturned);
*lpServicesReturned = 0;
return TRUE;
}
/******************************************************************************
* QueryServiceObjectSecurity (sechost.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH QueryServiceObjectSecurity( SC_HANDLE service, SECURITY_INFORMATION type,
PSECURITY_DESCRIPTOR ret_descriptor, DWORD size, DWORD *ret_size )
{
SECURITY_DESCRIPTOR descriptor;
NTSTATUS status;
ACL acl;
FIXME( "%p %d %p %u %p - semi-stub\n", service, type, ret_descriptor, size, ret_size );
if (type != DACL_SECURITY_INFORMATION)
FIXME("information %d not supported\n", type);
InitializeSecurityDescriptor( &descriptor, SECURITY_DESCRIPTOR_REVISION );
InitializeAcl( &acl, sizeof(ACL), ACL_REVISION );
SetSecurityDescriptorDacl( &descriptor, TRUE, &acl, TRUE );
status = RtlMakeSelfRelativeSD( &descriptor, ret_descriptor, &size );
*ret_size = size;
return set_error( RtlNtStatusToDosError( status ) );
}
/******************************************************************************
* SetServiceObjectSecurity (sechost.@)
*/
BOOL WINAPI SetServiceObjectSecurity(SC_HANDLE hService,
SECURITY_INFORMATION dwSecurityInformation,
PSECURITY_DESCRIPTOR lpSecurityDescriptor)
{
FIXME("%p %d %p\n", hService, dwSecurityInformation, lpSecurityDescriptor);
return TRUE;
}
static DWORD WINAPI notify_thread(void *user)
{
DWORD err;
struct notify_data *data = user;
SC_RPC_NOTIFY_PARAMS_LIST *list = NULL;
SERVICE_NOTIFY_STATUS_CHANGE_PARAMS_2 *cparams;
BOOL dummy;
__TRY
{
/* GetNotifyResults blocks until there is an event */
err = svcctl_GetNotifyResults(data->notify_handle, &list);
}
__EXCEPT(rpc_filter)
{
err = map_exception_code(GetExceptionCode());
}
__ENDTRY
EnterCriticalSection( &service_cs );
list_remove(&data->entry);
LeaveCriticalSection( &service_cs );
if (err == ERROR_SUCCESS && list)
{
cparams = list->NotifyParamsArray[0].u.params;
data->notify_buffer->dwNotificationStatus = cparams->dwNotificationStatus;
memcpy(&data->notify_buffer->ServiceStatus, &cparams->ServiceStatus,
sizeof(SERVICE_STATUS_PROCESS));
data->notify_buffer->dwNotificationTriggered = cparams->dwNotificationTriggered;
data->notify_buffer->pszServiceNames = NULL;
QueueUserAPC((PAPCFUNC)data->notify_buffer->pfnNotifyCallback,
data->calling_thread, (ULONG_PTR)data->notify_buffer);
HeapFree(GetProcessHeap(), 0, list);
}
else
WARN("GetNotifyResults server call failed: %u\n", err);
__TRY
{
err = svcctl_CloseNotifyHandle(&data->notify_handle, &dummy);
}
__EXCEPT(rpc_filter)
{
err = map_exception_code(GetExceptionCode());
}
__ENDTRY
if (err != ERROR_SUCCESS)
WARN("CloseNotifyHandle server call failed: %u\n", err);
CloseHandle(data->calling_thread);
HeapFree(GetProcessHeap(), 0, data);
return 0;
}
/******************************************************************************
* NotifyServiceStatusChangeW (sechost.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH NotifyServiceStatusChangeW( SC_HANDLE service, DWORD mask,
SERVICE_NOTIFYW *notify_buffer )
{
DWORD err;
BOOL b_dummy = FALSE;
GUID g_dummy = {0};
struct notify_data *data;
TRACE( "%p 0x%x %p\n", service, mask, notify_buffer );
if (!(data = heap_alloc_zero( sizeof(*data) )))
return ERROR_NOT_ENOUGH_MEMORY;
data->service = service;
data->notify_buffer = notify_buffer;
if (!DuplicateHandle( GetCurrentProcess(), GetCurrentThread(), GetCurrentProcess(),
&data->calling_thread, 0, FALSE, DUPLICATE_SAME_ACCESS ))
{
ERR("DuplicateHandle failed: %u\n", GetLastError());
heap_free( data );
return ERROR_NOT_ENOUGH_MEMORY;
}
data->params.dwInfoLevel = 2;
data->params.u.params = &data->cparams;
data->cparams.dwNotifyMask = mask;
EnterCriticalSection( &service_cs );
__TRY
{
err = svcctl_NotifyServiceStatusChange( service, data->params, &g_dummy,
&g_dummy, &b_dummy, &data->notify_handle );
}
__EXCEPT(rpc_filter)
{
err = map_exception_code( GetExceptionCode() );
}
__ENDTRY
if (err != ERROR_SUCCESS)
{
WARN("NotifyServiceStatusChange server call failed: %u\n", err);
LeaveCriticalSection( &service_cs );
CloseHandle( data->calling_thread );
CloseHandle( data->ready_evt );
heap_free( data );
return err;
}
CloseHandle( CreateThread( NULL, 0, &notify_thread, data, 0, NULL ) );
list_add_tail( &notify_list, &data->entry );
LeaveCriticalSection( &service_cs );
return ERROR_SUCCESS;
}
/* thunk for calling the RegisterServiceCtrlHandler handler function */
static DWORD WINAPI ctrl_handler_thunk( DWORD control, DWORD type, void *data, void *context )
{
LPHANDLER_FUNCTION func = context;
func( control );
return ERROR_SUCCESS;
}
/******************************************************************************
* RegisterServiceCtrlHandlerA (sechost.@)
*/
SERVICE_STATUS_HANDLE WINAPI DECLSPEC_HOTPATCH RegisterServiceCtrlHandlerA(
const char *name, LPHANDLER_FUNCTION handler )
{
return RegisterServiceCtrlHandlerExA( name, ctrl_handler_thunk, handler );
}
/******************************************************************************
* RegisterServiceCtrlHandlerW (sechost.@)
*/
SERVICE_STATUS_HANDLE WINAPI DECLSPEC_HOTPATCH RegisterServiceCtrlHandlerW(
const WCHAR *name, LPHANDLER_FUNCTION handler )
{
return RegisterServiceCtrlHandlerExW( name, ctrl_handler_thunk, handler );
}
/******************************************************************************
* RegisterServiceCtrlHandlerExA (sechost.@)
*/
SERVICE_STATUS_HANDLE WINAPI DECLSPEC_HOTPATCH RegisterServiceCtrlHandlerExA(
const char *name, LPHANDLER_FUNCTION_EX handler, void *context )
{
WCHAR *nameW;
SERVICE_STATUS_HANDLE ret;
nameW = heap_strdupAtoW( name );
ret = RegisterServiceCtrlHandlerExW( nameW, handler, context );
heap_free( nameW );
return ret;
}
static struct service_data *find_service_by_name( const WCHAR *name )
{
unsigned int i;
if (nb_services == 1) /* only one service (FIXME: should depend on OWN_PROCESS etc.) */
return services[0];
for (i = 0; i < nb_services; i++)
if (!wcsicmp( name, services[i]->name )) return services[i];
return NULL;
}
/******************************************************************************
* RegisterServiceCtrlHandlerExW (sechost.@)
*/
SERVICE_STATUS_HANDLE WINAPI DECLSPEC_HOTPATCH RegisterServiceCtrlHandlerExW(
const WCHAR *name, LPHANDLER_FUNCTION_EX handler, void *context )
{
struct service_data *service;
SC_HANDLE handle = 0;
TRACE( "%s %p %p\n", debugstr_w(name), handler, context );
EnterCriticalSection( &service_cs );
if ((service = find_service_by_name( name )))
{
service->handler = handler;
service->context = context;
handle = service->handle;
}
LeaveCriticalSection( &service_cs );
if (!handle) SetLastError( ERROR_SERVICE_DOES_NOT_EXIST );
return (SERVICE_STATUS_HANDLE)handle;
}
/******************************************************************************
* SetServiceStatus (sechost.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetServiceStatus( SERVICE_STATUS_HANDLE service, SERVICE_STATUS *status )
{
DWORD err;
TRACE( "%p %#x %#x %#x %#x %#x %#x %#x\n", service, status->dwServiceType,
status->dwCurrentState, status->dwControlsAccepted, status->dwWin32ExitCode,
status->dwServiceSpecificExitCode, status->dwCheckPoint, status->dwWaitHint );
__TRY
{
err = svcctl_SetServiceStatus( service, status );
}
__EXCEPT(rpc_filter)
{
err = map_exception_code( GetExceptionCode() );
}
__ENDTRY
if (!set_error( err ))
return FALSE;
if (status->dwCurrentState == SERVICE_STOPPED)
{
unsigned int i, count = 0;
EnterCriticalSection( &service_cs );
for (i = 0; i < nb_services; i++)
{
if (services[i]->handle == (SC_HANDLE)service) continue;
if (services[i]->thread) count++;
}
if (!count)
{
stop_service = TRUE;
SetEvent( service_event ); /* notify the main loop */
}
LeaveCriticalSection( &service_cs );
}
return TRUE;
}
static WCHAR *service_get_pipe_name(void)
{
static const WCHAR format[] = L"\\\\.\\pipe\\net\\NtControlPipe%u";
WCHAR *name;
DWORD len;
HKEY service_current_key;
DWORD service_current;
LONG ret;
DWORD type;
ret = RegOpenKeyExW( HKEY_LOCAL_MACHINE,
L"SYSTEM\\CurrentControlSet\\Control\\ServiceCurrent",
0, KEY_QUERY_VALUE, &service_current_key );
if (ret != ERROR_SUCCESS)
return NULL;
len = sizeof(service_current);
ret = RegQueryValueExW( service_current_key, NULL, NULL, &type,
(BYTE *)&service_current, &len );
RegCloseKey(service_current_key);
if (ret != ERROR_SUCCESS || type != REG_DWORD)
return NULL;
len = ARRAY_SIZE(format) + 10 /* strlenW("4294967295") */;
name = heap_alloc(len * sizeof(WCHAR));
if (!name)
return NULL;
swprintf( name, len, format, service_current );
return name;
}
static HANDLE service_open_pipe(void)
{
WCHAR *pipe_name = service_get_pipe_name();
HANDLE handle = INVALID_HANDLE_VALUE;
do
{
handle = CreateFileW( pipe_name, GENERIC_READ|GENERIC_WRITE,
0, NULL, OPEN_ALWAYS, 0, NULL );
if (handle != INVALID_HANDLE_VALUE)
break;
if (GetLastError() != ERROR_PIPE_BUSY)
break;
} while (WaitNamedPipeW( pipe_name, NMPWAIT_USE_DEFAULT_WAIT ));
heap_free(pipe_name);
return handle;
}
static DWORD WINAPI service_thread( void *arg )
{
struct service_data *info = arg;
WCHAR *str = info->args;
DWORD argc = 0, len = 0;
TRACE("%p\n", arg);
while (str[len])
{
len += wcslen( &str[len] ) + 1;
argc++;
}
len++;
if (info->unicode)
{
WCHAR **argv, *p;
argv = heap_alloc( (argc+1)*sizeof(*argv) );
for (argc = 0, p = str; *p; p += wcslen( p ) + 1)
argv[argc++] = p;
argv[argc] = NULL;
info->proc.w( argc, argv );
heap_free( argv );
}
else
{
char *strA, **argv, *p;
DWORD lenA;
lenA = WideCharToMultiByte( CP_ACP,0, str, len, NULL, 0, NULL, NULL );
strA = heap_alloc(lenA);
WideCharToMultiByte(CP_ACP,0, str, len, strA, lenA, NULL, NULL);
argv = heap_alloc( (argc+1)*sizeof(*argv) );
for (argc = 0, p = strA; *p; p += strlen( p ) + 1)
argv[argc++] = p;
argv[argc] = NULL;
info->proc.a( argc, argv );
heap_free( argv );
heap_free( strA );
}
return 0;
}
static DWORD service_handle_start( struct service_data *service, const void *data, DWORD data_size )
{
DWORD count = data_size / sizeof(WCHAR);
if (service->thread)
{
WARN("service is not stopped\n");
return ERROR_SERVICE_ALREADY_RUNNING;
}
heap_free( service->args );
service->args = heap_alloc( (count + 2) * sizeof(WCHAR) );
if (count) memcpy( service->args, data, count * sizeof(WCHAR) );
service->args[count++] = 0;
service->args[count++] = 0;
service->thread = CreateThread( NULL, 0, service_thread,
service, 0, NULL );
SetEvent( service_event ); /* notify the main loop */
return 0;
}
static DWORD service_handle_control( struct service_data *service, DWORD control, const void *data, DWORD data_size )
{
DWORD ret = ERROR_INVALID_SERVICE_CONTROL;
TRACE( "%s control %u data %p data_size %u\n", debugstr_w(service->name), control, data, data_size );
if (control == SERVICE_CONTROL_START)
ret = service_handle_start( service, data, data_size );
else if (service->handler)
ret = service->handler( control, 0, (void *)data, service->context );
return ret;
}
static DWORD WINAPI service_control_dispatcher( void *arg )
{
struct dispatcher_data *disp = arg;
/* dispatcher loop */
while (1)
{
struct service_data *service;
service_start_info info;
BYTE *data = NULL;
WCHAR *name;
BOOL r;
DWORD data_size = 0, count, result;
r = ReadFile( disp->pipe, &info, FIELD_OFFSET(service_start_info,data), &count, NULL );
if (!r)
{
if (GetLastError() != ERROR_BROKEN_PIPE)
ERR( "pipe read failed error %u\n", GetLastError() );
break;
}
if (count != FIELD_OFFSET(service_start_info,data))
{
ERR( "partial pipe read %u\n", count );
break;
}
if (count < info.total_size)
{
data_size = info.total_size - FIELD_OFFSET(service_start_info,data);
data = heap_alloc( data_size );
r = ReadFile( disp->pipe, data, data_size, &count, NULL );
if (!r)
{
if (GetLastError() != ERROR_BROKEN_PIPE)
ERR( "pipe read failed error %u\n", GetLastError() );
heap_free( data );
break;
}
if (count != data_size)
{
ERR( "partial pipe read %u/%u\n", count, data_size );
heap_free( data );
break;
}
}
EnterCriticalSection( &service_cs );
/* validate service name */
name = (WCHAR *)data;
if (!info.name_size || data_size < info.name_size * sizeof(WCHAR) || name[info.name_size - 1])
{
ERR( "got request without valid service name\n" );
result = ERROR_INVALID_PARAMETER;
goto done;
}
if (info.magic != SERVICE_PROTOCOL_MAGIC)
{
ERR( "received invalid request for service %s\n", debugstr_w(name) );
result = ERROR_INVALID_PARAMETER;
goto done;
}
/* find the service */
if (!(service = find_service_by_name( name )))
{
FIXME( "got request for unknown service %s\n", debugstr_w(name) );
result = ERROR_INVALID_PARAMETER;
goto done;
}
if (!service->handle)
{
if (!(service->handle = OpenServiceW( disp->manager, name, SERVICE_SET_STATUS )) ||
!(service->full_access_handle = OpenServiceW( disp->manager, name,
GENERIC_READ|GENERIC_WRITE )))
FIXME( "failed to open service %s\n", debugstr_w(name) );
}
data_size -= info.name_size * sizeof(WCHAR);
result = service_handle_control(service, info.control, data_size ?
&data[info.name_size * sizeof(WCHAR)] : NULL, data_size);
done:
LeaveCriticalSection( &service_cs );
WriteFile( disp->pipe, &result, sizeof(result), &count, NULL );
heap_free( data );
}
CloseHandle( disp->pipe );
CloseServiceHandle( disp->manager );
heap_free( disp );
return 1;
}
/* wait for services which accept this type of message to become STOPPED */
static void handle_shutdown_msg(DWORD msg, DWORD accept)
{
SERVICE_STATUS st;
SERVICE_PRESHUTDOWN_INFO spi;
DWORD i, n = 0, sz, timeout = 2000;
ULONGLONG stop_time;
BOOL res, done = TRUE;
SC_HANDLE *wait_handles = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(SC_HANDLE) * nb_services );
EnterCriticalSection( &service_cs );
for (i = 0; i < nb_services; i++)
{
res = QueryServiceStatus( services[i]->full_access_handle, &st );
if (!res || st.dwCurrentState == SERVICE_STOPPED || !(st.dwControlsAccepted & accept))
continue;
done = FALSE;
if (accept == SERVICE_ACCEPT_PRESHUTDOWN)
{
res = QueryServiceConfig2W( services[i]->full_access_handle, SERVICE_CONFIG_PRESHUTDOWN_INFO,
(BYTE *)&spi, sizeof(spi), &sz );
if (res)
{
FIXME( "service should be able to delay shutdown\n" );
timeout = max( spi.dwPreshutdownTimeout, timeout );
}
}
service_handle_control( services[i], msg, NULL, 0 );
wait_handles[n++] = services[i]->full_access_handle;
}
LeaveCriticalSection( &service_cs );
/* FIXME: these timeouts should be more generous, but we can't currently delay prefix shutdown */
timeout = min( timeout, 3000 );
stop_time = GetTickCount64() + timeout;
while (!done && GetTickCount64() < stop_time)
{
done = TRUE;
for (i = 0; i < n; i++)
{
res = QueryServiceStatus( wait_handles[i], &st );
if (!res || st.dwCurrentState == SERVICE_STOPPED)
continue;
done = FALSE;
Sleep( 100 );
break;
}
}
HeapFree( GetProcessHeap(), 0, wait_handles );
}
static BOOL service_run_main_thread(void)
{
DWORD i, n, ret;
HANDLE wait_handles[MAXIMUM_WAIT_OBJECTS];
UINT wait_services[MAXIMUM_WAIT_OBJECTS];
struct dispatcher_data *disp = heap_alloc( sizeof(*disp) );
disp->manager = OpenSCManagerW( NULL, NULL, SC_MANAGER_CONNECT );
if (!disp->manager)
{
ERR("failed to open service manager error %u\n", GetLastError());
heap_free( disp );
return FALSE;
}
disp->pipe = service_open_pipe();
if (disp->pipe == INVALID_HANDLE_VALUE)
{
WARN("failed to create control pipe error %u\n", GetLastError());
CloseServiceHandle( disp->manager );
heap_free( disp );
SetLastError( ERROR_FAILED_SERVICE_CONTROLLER_CONNECT );
return FALSE;
}
service_event = CreateEventW( NULL, FALSE, FALSE, NULL );
stop_service = FALSE;
/* FIXME: service_control_dispatcher should be merged into the main thread */
wait_handles[0] = __wine_make_process_system();
wait_handles[1] = CreateThread( NULL, 0, service_control_dispatcher, disp, 0, NULL );
wait_handles[2] = service_event;
TRACE("Starting %d services running as process %d\n",
nb_services, GetCurrentProcessId());
/* wait for all the threads to pack up and exit */
while (!stop_service)
{
EnterCriticalSection( &service_cs );
for (i = 0, n = 3; i < nb_services && n < MAXIMUM_WAIT_OBJECTS; i++)
{
if (!services[i]->thread) continue;
wait_services[n] = i;
wait_handles[n++] = services[i]->thread;
}
LeaveCriticalSection( &service_cs );
ret = WaitForMultipleObjects( n, wait_handles, FALSE, INFINITE );
if (!ret) /* system process event */
{
handle_shutdown_msg(SERVICE_CONTROL_PRESHUTDOWN, SERVICE_ACCEPT_PRESHUTDOWN);
handle_shutdown_msg(SERVICE_CONTROL_SHUTDOWN, SERVICE_ACCEPT_SHUTDOWN);
ExitProcess(0);
}
else if (ret == 1)
{
TRACE( "control dispatcher exited, shutting down\n" );
/* FIXME: we should maybe send a shutdown control to running services */
ExitProcess(0);
}
else if (ret == 2)
{
continue; /* rebuild the list */
}
else if (ret < n)
{
i = wait_services[ret];
EnterCriticalSection( &service_cs );
CloseHandle( services[i]->thread );
services[i]->thread = NULL;
LeaveCriticalSection( &service_cs );
}
else return FALSE;
}
return TRUE;
}
/******************************************************************************
* StartServiceCtrlDispatcherA (sechost.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH StartServiceCtrlDispatcherA( const SERVICE_TABLE_ENTRYA *servent )
{
struct service_data *info;
unsigned int i;
TRACE("%p\n", servent);
if (nb_services)
{
SetLastError( ERROR_SERVICE_ALREADY_RUNNING );
return FALSE;
}
while (servent[nb_services].lpServiceName) nb_services++;
if (!nb_services)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
services = heap_alloc( nb_services * sizeof(*services) );
for (i = 0; i < nb_services; i++)
{
DWORD len = MultiByteToWideChar( CP_ACP, 0, servent[i].lpServiceName, -1, NULL, 0 );
DWORD sz = FIELD_OFFSET( struct service_data, name[len] );
info = heap_alloc_zero( sz );
MultiByteToWideChar( CP_ACP, 0, servent[i].lpServiceName, -1, info->name, len );
info->proc.a = servent[i].lpServiceProc;
info->unicode = FALSE;
services[i] = info;
}
return service_run_main_thread();
}
/******************************************************************************
* StartServiceCtrlDispatcherW (sechost.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH StartServiceCtrlDispatcherW( const SERVICE_TABLE_ENTRYW *servent )
{
struct service_data *info;
unsigned int i;
TRACE("%p\n", servent);
if (nb_services)
{
SetLastError( ERROR_SERVICE_ALREADY_RUNNING );
return FALSE;
}
while (servent[nb_services].lpServiceName) nb_services++;
if (!nb_services)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
services = heap_alloc( nb_services * sizeof(*services) );
for (i = 0; i < nb_services; i++)
{
DWORD len = wcslen( servent[i].lpServiceName ) + 1;
DWORD sz = FIELD_OFFSET( struct service_data, name[len] );
info = heap_alloc_zero( sz );
wcscpy( info->name, servent[i].lpServiceName );
info->proc.w = servent[i].lpServiceProc;
info->unicode = TRUE;
services[i] = info;
}
return service_run_main_thread();
}
struct device_notification_details
{
DWORD (CALLBACK *cb)(HANDLE handle, DWORD flags, DEV_BROADCAST_HDR *header);
HANDLE handle;
};
static HANDLE device_notify_thread;
static struct list device_notify_list = LIST_INIT(device_notify_list);
struct device_notify_registration
{
struct list entry;
struct device_notification_details details;
};
static DWORD WINAPI device_notify_proc( void *arg )
{
WCHAR endpoint[] = L"\\pipe\\wine_plugplay";
WCHAR protseq[] = L"ncalrpc";
RPC_WSTR binding_str;
DWORD err = ERROR_SUCCESS;
struct device_notify_registration *registration;
plugplay_rpc_handle handle = NULL;
DWORD code = 0;
unsigned int size;
BYTE *buf;
if ((err = RpcStringBindingComposeW( NULL, protseq, NULL, endpoint, NULL, &binding_str )))
{
ERR("RpcStringBindingCompose() failed, error %#x\n", err);
return err;
}
err = RpcBindingFromStringBindingW( binding_str, &plugplay_binding_handle );
RpcStringFreeW( &binding_str );
if (err)
{
ERR("RpcBindingFromStringBinding() failed, error %#x\n", err);
return err;
}
__TRY
{
handle = plugplay_register_listener();
}
__EXCEPT(rpc_filter)
{
err = map_exception_code( GetExceptionCode() );
}
__ENDTRY
if (!handle)
{
ERR("failed to open RPC handle, error %u\n", err);
return 1;
}
for (;;)
{
buf = NULL;
__TRY
{
code = plugplay_get_event( handle, &buf, &size );
err = ERROR_SUCCESS;
}
__EXCEPT(rpc_filter)
{
err = map_exception_code( GetExceptionCode() );
}
__ENDTRY
if (err)
{
ERR("failed to get event, error %u\n", err);
break;
}
EnterCriticalSection( &service_cs );
LIST_FOR_EACH_ENTRY(registration, &device_notify_list, struct device_notify_registration, entry)
{
registration->details.cb( registration->details.handle, code, (DEV_BROADCAST_HDR *)buf );
}
LeaveCriticalSection(&service_cs);
MIDL_user_free(buf);
}
__TRY
{
plugplay_unregister_listener( handle );
}
__EXCEPT(rpc_filter)
{
}
__ENDTRY
RpcBindingFree( &plugplay_binding_handle );
return 0;
}
/******************************************************************************
* I_ScRegisterDeviceNotification (sechost.@)
*/
HDEVNOTIFY WINAPI I_ScRegisterDeviceNotification( struct device_notification_details *details,
void *filter, DWORD flags )
{
struct device_notify_registration *registration;
TRACE("callback %p, handle %p, filter %p, flags %#x\n", details->cb, details->handle, filter, flags);
if (filter) FIXME("Notification filters are not yet implemented.\n");
if (!(registration = heap_alloc(sizeof(struct device_notify_registration))))
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return NULL;
}
registration->details = *details;
EnterCriticalSection( &service_cs );
list_add_tail( &device_notify_list, &registration->entry );
if (!device_notify_thread)
device_notify_thread = CreateThread( NULL, 0, device_notify_proc, NULL, 0, NULL );
LeaveCriticalSection( &service_cs );
return registration;
}
/******************************************************************************
* I_ScUnregisterDeviceNotification (sechost.@)
*/
BOOL WINAPI I_ScUnregisterDeviceNotification( HDEVNOTIFY handle )
{
struct device_notify_registration *registration = handle;
TRACE("%p\n", handle);
if (!handle)
return FALSE;
EnterCriticalSection( &service_cs );
list_remove( &registration->entry );
LeaveCriticalSection(&service_cs);
heap_free( registration );
return TRUE;
}
Reference in New Issue View Git Blame Copy Permalink