/***********************************************************************
* server_init_process_done
*/
NTSTATUS server_init_process_done(void)
{
PEB *peb = NtCurrentTeb()->Peb;
IMAGE_NT_HEADERS *nt = RtlImageNtHeader( peb->ImageBaseAddress );
NTSTATUS status;
/* Install signal handlers; this cannot be done earlier, since we cannot
* send exceptions to the debugger before the create process event that
* is sent by REQ_INIT_PROCESS_DONE.
* We do need the handlers in place by the time the request is over, so
* we set them up here. If we segfault between here and the server call
* something is very wrong... */
signal_init_process();
/* Signal the parent process to continue */
SERVER_START_REQ( init_process_done )
{
req->module = wine_server_client_ptr( peb->ImageBaseAddress );
#ifdef __i386__
req->ldt_copy = wine_server_client_ptr( &wine_ldt_copy );
#endif
req->entry = wine_server_client_ptr( (char *)peb->ImageBaseAddress + nt->OptionalHeader.AddressOfEntryPoint );
req->gui = (nt->OptionalHeader.Subsystem != IMAGE_SUBSYSTEM_WINDOWS_CUI);
status = wine_server_call( req );
}
SERVER_END_REQ;
return status;
}
/***********************************************************************
* SetWinEventHook [USER32.@]
*
* Set up an event hook for a set of events.
*
* PARAMS
* event_min [I] Lowest event handled by pfnProc
* event_max [I] Highest event handled by pfnProc
* inst [I] DLL containing pfnProc
* proc [I] Callback event hook function
* pid [I] Process to get events from, or 0 for all processes
* tid [I] Thread to get events from, or 0 for all threads
* flags [I] Flags indicating the status of pfnProc
*
* RETURNS
* Success: A handle representing the hook.
* Failure: A NULL handle.
*/
HWINEVENTHOOK WINAPI SetWinEventHook(DWORD event_min, DWORD event_max,
HMODULE inst, WINEVENTPROC proc,
DWORD pid, DWORD tid, DWORD flags)
{
HWINEVENTHOOK handle = 0;
WCHAR module[MAX_PATH];
DWORD len;
TRACE("%d,%d,%p,%p,%08x,%04x,%08x\n", event_min, event_max, inst,
proc, pid, tid, flags);
if (inst)
{
if (!(len = GetModuleFileNameW(inst, module, MAX_PATH)) || len >= MAX_PATH)
inst = 0;
}
if ((flags & WINEVENT_INCONTEXT) && !inst)
{
SetLastError(ERROR_HOOK_NEEDS_HMOD);
return 0;
}
if (event_min > event_max)
{
SetLastError(ERROR_INVALID_HOOK_FILTER);
return 0;
}
/* FIXME: what if the tid or pid belongs to another process? */
if (tid) /* thread-local hook */
inst = 0;
SERVER_START_REQ( set_hook )
{
req->id = WH_WINEVENT;
req->pid = pid;
req->tid = tid;
req->event_min = event_min;
req->event_max = event_max;
req->flags = flags;
req->unicode = 1;
if (inst) /* make proc relative to the module base */
{
req->proc = wine_server_client_ptr( (void *)((char *)proc - (char *)inst) );
wine_server_add_data( req, module, strlenW(module) * sizeof(WCHAR) );
}
else req->proc = wine_server_client_ptr( proc );
if (!wine_server_call_err( req ))
{
handle = wine_server_ptr_handle( reply->handle );
get_user_thread_info()->active_hooks = reply->active_hooks;
}
}
SERVER_END_REQ;
TRACE("-> %p\n", handle);
return handle;
}
/***********************************************************************
* server_init_thread
*
* Send an init thread request. Return 0 if OK.
*/
size_t server_init_thread( int unix_pid, int unix_tid, void *entry_point )
{
int ret;
int reply_pipe[2];
struct sigaction sig_act;
size_t info_size;
sig_act.sa_handler = SIG_IGN;
sig_act.sa_flags = 0;
sigemptyset( &sig_act.sa_mask );
/* ignore SIGPIPE so that we get an EPIPE error instead */
sigaction( SIGPIPE, &sig_act, NULL );
/* automatic child reaping to avoid zombies */
#ifdef SA_NOCLDWAIT
sig_act.sa_flags |= SA_NOCLDWAIT;
#endif
sigaction( SIGCHLD, &sig_act, NULL );
/* create the server->client communication pipes */
if (pipe( reply_pipe ) == -1) server_protocol_perror( "pipe" );
if (pipe( ntdll_get_thread_data()->wait_fd ) == -1) server_protocol_perror( "pipe" );
wine_server_send_fd( reply_pipe[1] );
wine_server_send_fd( ntdll_get_thread_data()->wait_fd[1] );
ntdll_get_thread_data()->reply_fd = reply_pipe[0];
close( reply_pipe[1] );
/* set close on exec flag */
fcntl( ntdll_get_thread_data()->reply_fd, F_SETFD, 1 );
fcntl( ntdll_get_thread_data()->wait_fd[0], F_SETFD, 1 );
fcntl( ntdll_get_thread_data()->wait_fd[1], F_SETFD, 1 );
SERVER_START_REQ( init_thread )
{
req->unix_pid = unix_pid;
req->unix_tid = unix_tid;
req->teb = wine_server_client_ptr( NtCurrentTeb() );
req->peb = wine_server_client_ptr( NtCurrentTeb()->Peb );
req->entry = wine_server_client_ptr( entry_point );
req->reply_fd = reply_pipe[1];
req->wait_fd = ntdll_get_thread_data()->wait_fd[1];
req->debug_level = (TRACE_ON(server) != 0);
ret = wine_server_call( req );
NtCurrentTeb()->ClientId.UniqueProcess = ULongToHandle(reply->pid);
NtCurrentTeb()->ClientId.UniqueThread = ULongToHandle(reply->tid);
info_size = reply->info_size;
server_start_time = reply->server_start;
}
SERVER_END_REQ;
if (ret) server_protocol_error( "init_thread failed with status %x\n", ret );
return info_size;
}
/***********************************************************************
* UnhookWindowsHook (USER32.@)
*/
BOOL WINAPI UnhookWindowsHook( INT id, HOOKPROC proc )
{
BOOL ret;
TRACE( "%s %p\n", hook_names[id-WH_MINHOOK], proc );
SERVER_START_REQ( remove_hook )
{
req->handle = 0;
req->id = id;
req->proc = wine_server_client_ptr( proc );
ret = !wine_server_call_err( req );
if (ret) get_user_thread_info()->active_hooks = reply->active_hooks;
}
SERVER_END_REQ;
if (!ret && GetLastError() == ERROR_INVALID_HANDLE) SetLastError( ERROR_INVALID_HOOK_HANDLE );
return ret;
}
/******************************************************************************
* NtQueueApcThread (NTDLL.@)
*/
NTSTATUS WINAPI NtQueueApcThread( HANDLE handle, PNTAPCFUNC func, ULONG_PTR arg1,
ULONG_PTR arg2, ULONG_PTR arg3 )
{
NTSTATUS ret;
SERVER_START_REQ( queue_apc )
{
req->handle = wine_server_obj_handle( handle );
if (func)
{
req->call.type = APC_USER;
req->call.user.func = wine_server_client_ptr( func );
req->call.user.args[0] = arg1;
req->call.user.args[1] = arg2;
req->call.user.args[2] = arg3;
}
else req->call.type = APC_NONE; /* wake up only */
ret = wine_server_call( req );
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* set_windows_hook
*
* Implementation of SetWindowsHookExA and SetWindowsHookExW.
*/
static HHOOK set_windows_hook( INT id, HOOKPROC proc, HINSTANCE inst, DWORD tid, BOOL unicode )
{
HHOOK handle = 0;
WCHAR module[MAX_PATH];
DWORD len;
if (!proc)
{
SetLastError( ERROR_INVALID_FILTER_PROC );
return 0;
}
if (tid) /* thread-local hook */
{
if (id == WH_JOURNALRECORD ||
id == WH_JOURNALPLAYBACK ||
id == WH_KEYBOARD_LL ||
id == WH_MOUSE_LL ||
id == WH_SYSMSGFILTER)
{
/* these can only be global */
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
}
else /* system-global hook */
{
if (id == WH_KEYBOARD_LL || id == WH_MOUSE_LL) inst = 0;
else if (!inst)
{
SetLastError( ERROR_HOOK_NEEDS_HMOD );
return 0;
}
}
if (inst && (!(len = GetModuleFileNameW( inst, module, MAX_PATH )) || len >= MAX_PATH))
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
SERVER_START_REQ( set_hook )
{
req->id = id;
req->pid = 0;
req->tid = tid;
req->event_min = EVENT_MIN;
req->event_max = EVENT_MAX;
req->flags = WINEVENT_INCONTEXT;
req->unicode = unicode;
if (inst) /* make proc relative to the module base */
{
req->proc = wine_server_client_ptr( (void *)((char *)proc - (char *)inst) );
wine_server_add_data( req, module, strlenW(module) * sizeof(WCHAR) );
}
else req->proc = wine_server_client_ptr( proc );
if (!wine_server_call_err( req ))
{
handle = wine_server_ptr_handle( reply->handle );
get_user_thread_info()->active_hooks = reply->active_hooks;
}
}
SERVER_END_REQ;
TRACE( "%s %p %x -> %p\n", hook_names[id-WH_MINHOOK], proc, tid, handle );
return handle;
}
/***********************************************************************
* RtlCreateUserThread (NTDLL.@)
*/
NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, const SECURITY_DESCRIPTOR *descr,
BOOLEAN suspended, PVOID stack_addr,
SIZE_T stack_reserve, SIZE_T stack_commit,
PRTL_THREAD_START_ROUTINE start, void *param,
HANDLE *handle_ptr, CLIENT_ID *id )
{
sigset_t sigset;
pthread_t pthread_id;
pthread_attr_t attr;
struct ntdll_thread_data *thread_data;
struct startup_info *info = NULL;
HANDLE handle = 0, actctx = 0;
TEB *teb = NULL;
DWORD tid = 0;
int request_pipe[2];
NTSTATUS status;
if (process != NtCurrentProcess())
{
apc_call_t call;
apc_result_t result;
memset( &call, 0, sizeof(call) );
call.create_thread.type = APC_CREATE_THREAD;
call.create_thread.func = wine_server_client_ptr( start );
call.create_thread.arg = wine_server_client_ptr( param );
call.create_thread.reserve = stack_reserve;
call.create_thread.commit = stack_commit;
call.create_thread.suspend = suspended;
status = server_queue_process_apc( process, &call, &result );
if (status != STATUS_SUCCESS) return status;
if (result.create_thread.status == STATUS_SUCCESS)
{
if (id) id->UniqueThread = ULongToHandle(result.create_thread.tid);
if (handle_ptr) *handle_ptr = wine_server_ptr_handle( result.create_thread.handle );
else NtClose( wine_server_ptr_handle( result.create_thread.handle ));
}
return result.create_thread.status;
}
if (server_pipe( request_pipe ) == -1) return STATUS_TOO_MANY_OPENED_FILES;
wine_server_send_fd( request_pipe[0] );
SERVER_START_REQ( new_thread )
{
req->access = THREAD_ALL_ACCESS;
req->attributes = 0; /* FIXME */
req->suspend = suspended;
req->request_fd = request_pipe[0];
if (!(status = wine_server_call( req )))
{
handle = wine_server_ptr_handle( reply->handle );
tid = reply->tid;
}
close( request_pipe[0] );
}
SERVER_END_REQ;
if (status)
{
close( request_pipe[1] );
return status;
}
pthread_sigmask( SIG_BLOCK, &server_block_set, &sigset );
if ((status = signal_alloc_thread( &teb ))) goto error;
teb->Peb = NtCurrentTeb()->Peb;
teb->ClientId.UniqueProcess = ULongToHandle(GetCurrentProcessId());
teb->ClientId.UniqueThread = ULongToHandle(tid);
teb->StaticUnicodeString.Buffer = teb->StaticUnicodeBuffer;
teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
/* create default activation context frame for new thread */
RtlGetActiveActivationContext(&actctx);
if (actctx)
{
RTL_ACTIVATION_CONTEXT_STACK_FRAME *frame;
frame = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*frame));
frame->Previous = NULL;
frame->ActivationContext = actctx;
frame->Flags = 0;
teb->ActivationContextStack.ActiveFrame = frame;
RtlAddRefActivationContext(actctx);
}
info = (struct startup_info *)(teb + 1);
info->teb = teb;
info->entry_point = start;
info->entry_arg = param;
thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
thread_data->request_fd = request_pipe[1];
thread_data->reply_fd = -1;
thread_data->wait_fd[0] = -1;
thread_data->wait_fd[1] = -1;
if ((status = virtual_alloc_thread_stack( teb, stack_reserve, stack_commit ))) goto error;
pthread_attr_init( &attr );
pthread_attr_setstack( &attr, teb->DeallocationStack,
(char *)teb->Tib.StackBase - (char *)teb->DeallocationStack );
pthread_attr_setscope( &attr, PTHREAD_SCOPE_SYSTEM ); /* force creating a kernel thread */
interlocked_xchg_add( &nb_threads, 1 );
if (pthread_create( &pthread_id, &attr, (void * (*)(void *))start_thread, info ))
{
interlocked_xchg_add( &nb_threads, -1 );
pthread_attr_destroy( &attr );
status = STATUS_NO_MEMORY;
goto error;
}
pthread_attr_destroy( &attr );
pthread_sigmask( SIG_SETMASK, &sigset, NULL );
if (id) id->UniqueThread = ULongToHandle(tid);
if (handle_ptr) *handle_ptr = handle;
else NtClose( handle );
return STATUS_SUCCESS;
error:
if (teb) signal_free_thread( teb );
if (handle) NtClose( handle );
pthread_sigmask( SIG_SETMASK, &sigset, NULL );
close( request_pipe[1] );
return status;
}
/***********************************************************************
* server_init_thread
*
* Send an init thread request. Return 0 if OK.
*/
size_t server_init_thread( void *entry_point )
{
static const int is_win64 = (sizeof(void *) > sizeof(int));
const char *arch = getenv( "WINEARCH" );
int ret;
int reply_pipe[2];
struct sigaction sig_act;
size_t info_size;
sig_act.sa_handler = SIG_IGN;
sig_act.sa_flags = 0;
sigemptyset( &sig_act.sa_mask );
/* ignore SIGPIPE so that we get an EPIPE error instead */
sigaction( SIGPIPE, &sig_act, NULL );
/* create the server->client communication pipes */
if (server_pipe( reply_pipe ) == -1) server_protocol_perror( "pipe" );
if (server_pipe( ntdll_get_thread_data()->wait_fd ) == -1) server_protocol_perror( "pipe" );
wine_server_send_fd( reply_pipe[1] );
wine_server_send_fd( ntdll_get_thread_data()->wait_fd[1] );
ntdll_get_thread_data()->reply_fd = reply_pipe[0];
close( reply_pipe[1] );
SERVER_START_REQ( init_thread )
{
req->unix_pid = getpid();
req->unix_tid = get_unix_tid();
req->teb = wine_server_client_ptr( NtCurrentTeb() );
req->entry = wine_server_client_ptr( entry_point );
req->reply_fd = reply_pipe[1];
req->wait_fd = ntdll_get_thread_data()->wait_fd[1];
req->debug_level = (TRACE_ON(server) != 0);
req->cpu = client_cpu;
ret = wine_server_call( req );
NtCurrentTeb()->ClientId.UniqueProcess = ULongToHandle(reply->pid);
NtCurrentTeb()->ClientId.UniqueThread = ULongToHandle(reply->tid);
info_size = reply->info_size;
server_start_time = reply->server_start;
server_cpus = reply->all_cpus;
}
SERVER_END_REQ;
is_wow64 = !is_win64 && (server_cpus & (1 << CPU_x86_64)) != 0;
ntdll_get_thread_data()->wow64_redir = is_wow64;
switch (ret)
{
case STATUS_SUCCESS:
if (arch)
{
if (!strcmp( arch, "win32" ) && (is_win64 || is_wow64))
fatal_error( "WINEARCH set to win32 but '%s' is a 64-bit installation.\n",
wine_get_config_dir() );
if (!strcmp( arch, "win64" ) && !is_win64 && !is_wow64)
fatal_error( "WINEARCH set to win64 but '%s' is a 32-bit installation.\n",
wine_get_config_dir() );
}
return info_size;
case STATUS_NOT_REGISTRY_FILE:
fatal_error( "'%s' is a 32-bit installation, it cannot support 64-bit applications.\n",
wine_get_config_dir() );
case STATUS_NOT_SUPPORTED:
if (is_win64)
fatal_error( "wineserver is 32-bit, it cannot support 64-bit applications.\n" );
else
fatal_error( "'%s' is a 64-bit installation, it cannot be used with a 32-bit wineserver.\n",
wine_get_config_dir() );
default:
server_protocol_error( "init_thread failed with status %x\n", ret );
}
}
/***********************************************************************
* OutputDebugStringA (KERNEL32.@)
*
* Output by an application of an ascii string to a debugger (if attached)
* and program log.
*
* PARAMS
* str [I] The message to be logged and given to the debugger.
*
* RETURNS
*
* Nothing.
*/
void WINAPI OutputDebugStringA( LPCSTR str )
{
static HANDLE DBWinMutex = NULL;
static BOOL mutex_inited = FALSE;
if (!str) str = "";
/* send string to attached debugger */
SERVER_START_REQ( output_debug_string )
{
req->string = wine_server_client_ptr( str );
req->length = strlen(str) + 1;
wine_server_call( req );
}
SERVER_END_REQ;
WARN("%s\n", debugstr_a(str));
/* send string to a system-wide monitor */
/* FIXME should only send to monitor if no debuggers are attached */
if (!mutex_inited)
{
/* first call to OutputDebugString, initialize mutex handle */
static const WCHAR mutexname[] = {'D','B','W','i','n','M','u','t','e','x',0};
HANDLE mutex = CreateMutexExW( NULL, mutexname, 0, SYNCHRONIZE );
if (mutex)
{
if (InterlockedCompareExchangePointer( &DBWinMutex, mutex, 0 ) != 0)
{
/* someone beat us here... */
CloseHandle( mutex );
}
}
mutex_inited = TRUE;
}
if (DBWinMutex)
{
static const WCHAR shmname[] = {'D','B','W','I','N','_','B','U','F','F','E','R',0};
static const WCHAR eventbuffername[] = {'D','B','W','I','N','_','B','U','F','F','E','R','_','R','E','A','D','Y',0};
static const WCHAR eventdataname[] = {'D','B','W','I','N','_','D','A','T','A','_','R','E','A','D','Y',0};
HANDLE mapping;
mapping = OpenFileMappingW( FILE_MAP_WRITE, FALSE, shmname );
if (mapping)
{
LPVOID buffer;
HANDLE eventbuffer, eventdata;
buffer = MapViewOfFile( mapping, FILE_MAP_WRITE, 0, 0, 0 );
eventbuffer = OpenEventW( SYNCHRONIZE, FALSE, eventbuffername );
eventdata = OpenEventW( EVENT_MODIFY_STATE, FALSE, eventdataname );
if (buffer && eventbuffer && eventdata)
{
/* monitor is present, synchronize with other OutputDebugString invocations */
WaitForSingleObject( DBWinMutex, INFINITE );
/* acquire control over the buffer */
if (WaitForSingleObject( eventbuffer, 10000 ) == WAIT_OBJECT_0)
{
int str_len;
struct _mon_buffer_t {
DWORD pid;
char buffer[1];
} *mon_buffer = (struct _mon_buffer_t*) buffer;
str_len = strlen( str );
if (str_len > (4096 - sizeof(DWORD) - 1))
str_len = 4096 - sizeof(DWORD) - 1;
mon_buffer->pid = GetCurrentProcessId();
memcpy( mon_buffer->buffer, str, str_len );
mon_buffer->buffer[str_len] = 0;
/* signal data ready */
SetEvent( eventdata );
}
ReleaseMutex( DBWinMutex );
}
if (buffer)
UnmapViewOfFile( buffer );
if (eventbuffer)
CloseHandle( eventbuffer );
if (eventdata)
CloseHandle( eventdata );
CloseHandle( mapping );
}
}
}
