2 * Wine server communication
4 * Copyright (C) 1998 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include "wine/port.h"
33 #include <sys/types.h>
34 #ifdef HAVE_SYS_SOCKET_H
35 # include <sys/socket.h>
37 #ifdef HAVE_SYS_WAIT_H
43 #ifdef HAVE_SYS_MMAN_H
46 #ifdef HAVE_SYS_STAT_H
47 # include <sys/stat.h>
57 #define WIN32_NO_STATUS
58 #include "wine/library.h"
59 #include "wine/pthread.h"
60 #include "wine/server.h"
61 #include "wine/debug.h"
62 #include "ntdll_misc.h"
64 WINE_DEFAULT_DEBUG_CHANNEL(server
);
66 /* Some versions of glibc don't define this */
71 #define SOCKETNAME "socket" /* name of the socket file */
72 #define LOCKNAME "lock" /* name of the lock file */
74 #ifndef HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS
75 /* data structure used to pass an fd with sendmsg/recvmsg */
80 size_t len
; /* size of structure */
81 int level
; /* SOL_SOCKET */
82 int type
; /* SCM_RIGHTS */
84 int fd
; /* fd to pass */
86 #endif /* HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS */
88 timeout_t server_start_time
= 0; /* time of server startup */
90 extern struct wine_pthread_functions pthread_functions
;
92 sigset_t server_block_set
; /* signals to block during server calls */
93 static int fd_socket
= -1; /* socket to exchange file descriptors with the server */
95 static RTL_CRITICAL_SECTION fd_cache_section
;
96 static RTL_CRITICAL_SECTION_DEBUG critsect_debug
=
98 0, 0, &fd_cache_section
,
99 { &critsect_debug
.ProcessLocksList
, &critsect_debug
.ProcessLocksList
},
100 0, 0, { (DWORD_PTR
)(__FILE__
": fd_cache_section") }
102 static RTL_CRITICAL_SECTION fd_cache_section
= { &critsect_debug
, -1, 0, 0, 0, 0 };
106 static void fatal_error( const char *err
, ... ) __attribute__((noreturn
, format(printf
,1,2)));
107 static void fatal_perror( const char *err
, ... ) __attribute__((noreturn
, format(printf
,1,2)));
108 static void server_connect_error( const char *serverdir
) __attribute__((noreturn
));
111 /* die on a fatal error; use only during initialization */
112 static void fatal_error( const char *err
, ... )
116 va_start( args
, err
);
117 fprintf( stderr
, "wine: " );
118 vfprintf( stderr
, err
, args
);
123 /* die on a fatal error; use only during initialization */
124 static void fatal_perror( const char *err
, ... )
128 va_start( args
, err
);
129 fprintf( stderr
, "wine: " );
130 vfprintf( stderr
, err
, args
);
137 /***********************************************************************
140 void server_exit_thread( int status
)
142 struct wine_pthread_thread_info info
;
147 RemoveEntryList( &NtCurrentTeb()->TlsLinks
);
150 info
.stack_base
= NtCurrentTeb()->DeallocationStack
;
151 info
.teb_base
= NtCurrentTeb();
152 info
.teb_sel
= wine_get_fs();
153 info
.exit_status
= status
;
155 fds
[0] = ntdll_get_thread_data()->wait_fd
[0];
156 fds
[1] = ntdll_get_thread_data()->wait_fd
[1];
157 fds
[2] = ntdll_get_thread_data()->reply_fd
;
158 fds
[3] = ntdll_get_thread_data()->request_fd
;
159 pthread_functions
.sigprocmask( SIG_BLOCK
, &server_block_set
, NULL
);
162 NtFreeVirtualMemory( GetCurrentProcess(), &info
.stack_base
, &size
, MEM_RELEASE
| MEM_SYSTEM
);
163 info
.stack_size
= size
;
166 NtFreeVirtualMemory( GetCurrentProcess(), &info
.teb_base
, &size
, MEM_RELEASE
| MEM_SYSTEM
);
167 info
.teb_size
= size
;
173 pthread_functions
.exit_thread( &info
);
177 /***********************************************************************
178 * server_abort_thread
180 void server_abort_thread( int status
)
182 pthread_functions
.sigprocmask( SIG_BLOCK
, &server_block_set
, NULL
);
183 close( ntdll_get_thread_data()->wait_fd
[0] );
184 close( ntdll_get_thread_data()->wait_fd
[1] );
185 close( ntdll_get_thread_data()->reply_fd
);
186 close( ntdll_get_thread_data()->request_fd
);
187 pthread_functions
.abort_thread( status
);
191 /***********************************************************************
192 * server_protocol_error
194 void server_protocol_error( const char *err
, ... )
198 va_start( args
, err
);
199 fprintf( stderr
, "wine client error:%x: ", GetCurrentThreadId() );
200 vfprintf( stderr
, err
, args
);
202 server_abort_thread(1);
206 /***********************************************************************
207 * server_protocol_perror
209 void server_protocol_perror( const char *err
)
211 fprintf( stderr
, "wine client error:%x: ", GetCurrentThreadId() );
213 server_abort_thread(1);
217 /***********************************************************************
220 * Send a request to the server.
222 static void send_request( const struct __server_request_info
*req
)
227 if (!req
->u
.req
.request_header
.request_size
)
229 if ((ret
= write( ntdll_get_thread_data()->request_fd
, &req
->u
.req
,
230 sizeof(req
->u
.req
) )) == sizeof(req
->u
.req
)) return;
235 struct iovec vec
[__SERVER_MAX_DATA
+1];
237 vec
[0].iov_base
= (void *)&req
->u
.req
;
238 vec
[0].iov_len
= sizeof(req
->u
.req
);
239 for (i
= 0; i
< req
->data_count
; i
++)
241 vec
[i
+1].iov_base
= (void *)req
->data
[i
].ptr
;
242 vec
[i
+1].iov_len
= req
->data
[i
].size
;
244 if ((ret
= writev( ntdll_get_thread_data()->request_fd
, vec
, i
+1 )) ==
245 req
->u
.req
.request_header
.request_size
+ sizeof(req
->u
.req
)) return;
248 if (ret
>= 0) server_protocol_error( "partial write %d\n", ret
);
249 if (errno
== EPIPE
) server_abort_thread(0);
250 server_protocol_perror( "write" );
254 /***********************************************************************
257 * Read data from the reply buffer; helper for wait_reply.
259 static void read_reply_data( void *buffer
, size_t size
)
265 if ((ret
= read( ntdll_get_thread_data()->reply_fd
, buffer
, size
)) > 0)
267 if (!(size
-= ret
)) return;
268 buffer
= (char *)buffer
+ ret
;
272 if (errno
== EINTR
) continue;
273 if (errno
== EPIPE
) break;
274 server_protocol_perror("read");
276 /* the server closed the connection; time to die... */
277 server_abort_thread(0);
281 /***********************************************************************
284 * Wait for a reply from the server.
286 static inline void wait_reply( struct __server_request_info
*req
)
288 read_reply_data( &req
->u
.reply
, sizeof(req
->u
.reply
) );
289 if (req
->u
.reply
.reply_header
.reply_size
)
290 read_reply_data( req
->reply_data
, req
->u
.reply
.reply_header
.reply_size
);
294 /***********************************************************************
295 * wine_server_call (NTDLL.@)
297 * Perform a server call.
300 * req_ptr [I/O] Function dependent data
303 * Depends on server function being called, but usually an NTSTATUS code.
306 * Use the SERVER_START_REQ and SERVER_END_REQ to help you fill out the
307 * server request structure for the particular call. E.g:
308 *| SERVER_START_REQ( event_op )
310 *| req->handle = handle;
311 *| req->op = SET_EVENT;
312 *| ret = wine_server_call( req );
316 unsigned int wine_server_call( void *req_ptr
)
318 struct __server_request_info
* const req
= req_ptr
;
321 pthread_functions
.sigprocmask( SIG_BLOCK
, &server_block_set
, &old_set
);
324 pthread_functions
.sigprocmask( SIG_SETMASK
, &old_set
, NULL
);
325 return req
->u
.reply
.reply_header
.error
;
329 /***********************************************************************
330 * server_enter_uninterrupted_section
332 void server_enter_uninterrupted_section( RTL_CRITICAL_SECTION
*cs
, sigset_t
*sigset
)
334 pthread_functions
.sigprocmask( SIG_BLOCK
, &server_block_set
, sigset
);
335 RtlEnterCriticalSection( cs
);
339 /***********************************************************************
340 * server_leave_uninterrupted_section
342 void server_leave_uninterrupted_section( RTL_CRITICAL_SECTION
*cs
, sigset_t
*sigset
)
344 RtlLeaveCriticalSection( cs
);
345 pthread_functions
.sigprocmask( SIG_SETMASK
, sigset
, NULL
);
349 /***********************************************************************
350 * wine_server_send_fd (NTDLL.@)
352 * Send a file descriptor to the server.
355 * fd [I] file descriptor to send
360 void wine_server_send_fd( int fd
)
362 #ifndef HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS
366 struct msghdr msghdr
;
370 vec
.iov_base
= (void *)&data
;
371 vec
.iov_len
= sizeof(data
);
373 msghdr
.msg_name
= NULL
;
374 msghdr
.msg_namelen
= 0;
375 msghdr
.msg_iov
= &vec
;
376 msghdr
.msg_iovlen
= 1;
378 #ifdef HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS
379 msghdr
.msg_accrights
= (void *)&fd
;
380 msghdr
.msg_accrightslen
= sizeof(fd
);
381 #else /* HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS */
382 cmsg
.header
.len
= sizeof(cmsg
.header
) + sizeof(fd
);
383 cmsg
.header
.level
= SOL_SOCKET
;
384 cmsg
.header
.type
= SCM_RIGHTS
;
386 msghdr
.msg_control
= &cmsg
;
387 msghdr
.msg_controllen
= sizeof(cmsg
.header
) + sizeof(fd
);
388 msghdr
.msg_flags
= 0;
389 #endif /* HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS */
391 data
.tid
= GetCurrentThreadId();
396 if ((ret
= sendmsg( fd_socket
, &msghdr
, 0 )) == sizeof(data
)) return;
397 if (ret
>= 0) server_protocol_error( "partial write %d\n", ret
);
398 if (errno
== EINTR
) continue;
399 if (errno
== EPIPE
) server_abort_thread(0);
400 server_protocol_perror( "sendmsg" );
405 /***********************************************************************
408 * Receive a file descriptor passed from the server.
410 static int receive_fd( obj_handle_t
*handle
)
415 #ifdef HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS
416 struct msghdr msghdr
;
419 msghdr
.msg_accrights
= (void *)&fd
;
420 msghdr
.msg_accrightslen
= sizeof(fd
);
421 #else /* HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS */
422 struct msghdr msghdr
;
425 cmsg
.header
.len
= sizeof(cmsg
.header
) + sizeof(fd
);
426 cmsg
.header
.level
= SOL_SOCKET
;
427 cmsg
.header
.type
= SCM_RIGHTS
;
429 msghdr
.msg_control
= &cmsg
;
430 msghdr
.msg_controllen
= sizeof(cmsg
.header
) + sizeof(fd
);
431 msghdr
.msg_flags
= 0;
432 #endif /* HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS */
434 msghdr
.msg_name
= NULL
;
435 msghdr
.msg_namelen
= 0;
436 msghdr
.msg_iov
= &vec
;
437 msghdr
.msg_iovlen
= 1;
438 vec
.iov_base
= (void *)handle
;
439 vec
.iov_len
= sizeof(*handle
);
443 if ((ret
= recvmsg( fd_socket
, &msghdr
, 0 )) > 0)
445 #ifndef HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS
448 if (fd
!= -1) fcntl( fd
, F_SETFD
, 1 ); /* set close on exec flag */
452 if (errno
== EINTR
) continue;
453 if (errno
== EPIPE
) break;
454 server_protocol_perror("recvmsg");
456 /* the server closed the connection; time to die... */
457 server_abort_thread(0);
461 /***********************************************************************/
462 /* fd cache support */
464 struct fd_cache_entry
467 enum server_fd_type type
: 6;
468 unsigned int access
: 2;
469 unsigned int options
: 24;
472 #define FD_CACHE_BLOCK_SIZE (65536 / sizeof(struct fd_cache_entry))
473 #define FD_CACHE_ENTRIES 128
475 static struct fd_cache_entry
*fd_cache
[FD_CACHE_ENTRIES
];
476 static struct fd_cache_entry fd_cache_initial_block
[FD_CACHE_BLOCK_SIZE
];
478 static inline unsigned int handle_to_index( obj_handle_t handle
, unsigned int *entry
)
480 unsigned long idx
= ((unsigned long)handle
>> 2) - 1;
481 *entry
= idx
/ FD_CACHE_BLOCK_SIZE
;
482 return idx
% FD_CACHE_BLOCK_SIZE
;
486 /***********************************************************************
489 * Caller must hold fd_cache_section.
491 static int add_fd_to_cache( obj_handle_t handle
, int fd
, enum server_fd_type type
,
492 unsigned int access
, unsigned int options
)
494 unsigned int entry
, idx
= handle_to_index( handle
, &entry
);
497 if (entry
>= FD_CACHE_ENTRIES
)
499 FIXME( "too many allocated handles, not caching %p\n", handle
);
503 if (!fd_cache
[entry
]) /* do we need to allocate a new block of entries? */
505 if (!entry
) fd_cache
[0] = fd_cache_initial_block
;
508 void *ptr
= wine_anon_mmap( NULL
, FD_CACHE_BLOCK_SIZE
* sizeof(struct fd_cache_entry
),
509 PROT_READ
| PROT_WRITE
, 0 );
510 if (ptr
== MAP_FAILED
) return 0;
511 fd_cache
[entry
] = ptr
;
514 /* store fd+1 so that 0 can be used as the unset value */
515 prev_fd
= interlocked_xchg( &fd_cache
[entry
][idx
].fd
, fd
+ 1 ) - 1;
516 fd_cache
[entry
][idx
].type
= type
;
517 fd_cache
[entry
][idx
].access
= access
;
518 fd_cache
[entry
][idx
].options
= options
;
519 if (prev_fd
!= -1) close( prev_fd
);
524 /***********************************************************************
527 * Caller must hold fd_cache_section.
529 static inline int get_cached_fd( obj_handle_t handle
, enum server_fd_type
*type
,
530 unsigned int *access
, unsigned int *options
)
532 unsigned int entry
, idx
= handle_to_index( handle
, &entry
);
535 if (entry
< FD_CACHE_ENTRIES
&& fd_cache
[entry
])
537 fd
= fd_cache
[entry
][idx
].fd
- 1;
538 if (type
) *type
= fd_cache
[entry
][idx
].type
;
539 if (access
) *access
= fd_cache
[entry
][idx
].access
;
540 if (options
) *options
= fd_cache
[entry
][idx
].options
;
546 /***********************************************************************
547 * server_remove_fd_from_cache
549 int server_remove_fd_from_cache( obj_handle_t handle
)
551 unsigned int entry
, idx
= handle_to_index( handle
, &entry
);
554 if (entry
< FD_CACHE_ENTRIES
&& fd_cache
[entry
])
555 fd
= interlocked_xchg( &fd_cache
[entry
][idx
].fd
, 0 ) - 1;
561 /***********************************************************************
564 * The returned unix_fd should be closed iff needs_close is non-zero.
566 int server_get_unix_fd( obj_handle_t handle
, unsigned int wanted_access
, int *unix_fd
,
567 int *needs_close
, enum server_fd_type
*type
, unsigned int *options
)
570 obj_handle_t fd_handle
;
572 unsigned int access
= 0;
576 wanted_access
&= FILE_READ_DATA
| FILE_WRITE_DATA
;
578 server_enter_uninterrupted_section( &fd_cache_section
, &sigset
);
580 fd
= get_cached_fd( handle
, type
, &access
, options
);
581 if (fd
!= -1) goto done
;
583 SERVER_START_REQ( get_handle_fd
)
585 req
->handle
= handle
;
586 if (!(ret
= wine_server_call( req
)))
588 if (type
) *type
= reply
->type
;
589 if (options
) *options
= reply
->options
;
590 access
= reply
->access
;
591 if ((fd
= receive_fd( &fd_handle
)) != -1)
593 assert( fd_handle
== handle
);
594 *needs_close
= (reply
->removable
||
595 !add_fd_to_cache( handle
, fd
, reply
->type
,
596 reply
->access
, reply
->options
));
598 else ret
= STATUS_TOO_MANY_OPENED_FILES
;
604 server_leave_uninterrupted_section( &fd_cache_section
, &sigset
);
605 if (!ret
&& ((access
& wanted_access
) != wanted_access
))
607 ret
= STATUS_ACCESS_DENIED
;
608 if (*needs_close
) close( fd
);
610 if (!ret
) *unix_fd
= fd
;
615 /***********************************************************************
616 * wine_server_fd_to_handle (NTDLL.@)
618 * Allocate a file handle for a Unix file descriptor.
621 * fd [I] Unix file descriptor.
622 * access [I] Win32 access flags.
623 * attributes [I] Object attributes.
624 * handle [O] Address where Wine file handle will be stored.
629 int wine_server_fd_to_handle( int fd
, unsigned int access
, unsigned int attributes
, obj_handle_t
*handle
)
634 wine_server_send_fd( fd
);
636 SERVER_START_REQ( alloc_file_handle
)
638 req
->access
= access
;
639 req
->attributes
= attributes
;
641 if (!(ret
= wine_server_call( req
))) *handle
= reply
->handle
;
648 /***********************************************************************
649 * wine_server_handle_to_fd (NTDLL.@)
651 * Retrieve the file descriptor corresponding to a file handle.
654 * handle [I] Wine file handle.
655 * access [I] Win32 file access rights requested.
656 * unix_fd [O] Address where Unix file descriptor will be stored.
657 * options [O] Address where the file open options will be stored. Optional.
662 int wine_server_handle_to_fd( obj_handle_t handle
, unsigned int access
, int *unix_fd
,
663 unsigned int *options
)
665 int needs_close
, ret
= server_get_unix_fd( handle
, access
, unix_fd
, &needs_close
, NULL
, options
);
667 if (!ret
&& !needs_close
)
669 if ((*unix_fd
= dup(*unix_fd
)) == -1) ret
= FILE_GetNtStatus();
675 /***********************************************************************
676 * wine_server_release_fd (NTDLL.@)
678 * Release the Unix file descriptor returned by wine_server_handle_to_fd.
681 * handle [I] Wine file handle.
682 * unix_fd [I] Unix file descriptor to release.
687 void wine_server_release_fd( obj_handle_t handle
, int unix_fd
)
693 /***********************************************************************
696 * Start a new wine server.
698 static void start_server(void)
700 static int started
; /* we only try once */
702 static char wineserver
[] = "server/wineserver";
703 static char debug
[] = "-d";
709 if (pid
== -1) fatal_perror( "fork" );
712 argv
[0] = wineserver
;
713 argv
[1] = TRACE_ON(server
) ? debug
: NULL
;
715 wine_exec_wine_binary( argv
[0], argv
, getenv("WINESERVER") );
716 fatal_error( "could not exec wineserver\n" );
718 waitpid( pid
, &status
, 0 );
719 status
= WIFEXITED(status
) ? WEXITSTATUS(status
) : 1;
720 if (status
== 2) return; /* server lock held by someone else, will retry later */
721 if (status
) exit(status
); /* server failed */
727 /***********************************************************************
728 * server_connect_error
730 * Try to display a meaningful explanation of why we couldn't connect
733 static void server_connect_error( const char *serverdir
)
738 if ((fd
= open( LOCKNAME
, O_WRONLY
)) == -1)
739 fatal_error( "for some mysterious reason, the wine server never started.\n" );
742 fl
.l_whence
= SEEK_SET
;
745 if (fcntl( fd
, F_GETLK
, &fl
) != -1)
747 if (fl
.l_type
== F_WRLCK
) /* the file is locked */
748 fatal_error( "a wine server seems to be running, but I cannot connect to it.\n"
749 " You probably need to kill that process (it might be pid %d).\n",
751 fatal_error( "for some mysterious reason, the wine server failed to run.\n" );
753 fatal_error( "the file system of '%s' doesn't support locks,\n"
754 " and there is a 'socket' file in that directory that prevents wine from starting.\n"
755 " You should make sure no wine server is running, remove that file and try again.\n",
760 /***********************************************************************
763 * Attempt to connect to an existing server socket.
764 * We need to be in the server directory already.
766 static int server_connect( const char *serverdir
)
768 struct sockaddr_un addr
;
770 int s
, slen
, retry
, fd_cwd
;
772 /* retrieve the current directory */
773 fd_cwd
= open( ".", O_RDONLY
);
774 if (fd_cwd
!= -1) fcntl( fd_cwd
, F_SETFD
, 1 ); /* set close on exec flag */
776 /* chdir to the server directory */
777 if (chdir( serverdir
) == -1)
779 if (errno
!= ENOENT
) fatal_perror( "chdir to %s", serverdir
);
781 if (chdir( serverdir
) == -1) fatal_perror( "chdir to %s", serverdir
);
784 /* make sure we are at the right place */
785 if (stat( ".", &st
) == -1) fatal_perror( "stat %s", serverdir
);
786 if (st
.st_uid
!= getuid()) fatal_error( "'%s' is not owned by you\n", serverdir
);
787 if (st
.st_mode
& 077) fatal_error( "'%s' must not be accessible by other users\n", serverdir
);
789 for (retry
= 0; retry
< 6; retry
++)
791 /* if not the first try, wait a bit to leave the previous server time to exit */
794 usleep( 100000 * retry
* retry
);
796 if (lstat( SOCKETNAME
, &st
) == -1) continue; /* still no socket, wait a bit more */
798 else if (lstat( SOCKETNAME
, &st
) == -1) /* check for an already existing socket */
800 if (errno
!= ENOENT
) fatal_perror( "lstat %s/%s", serverdir
, SOCKETNAME
);
802 if (lstat( SOCKETNAME
, &st
) == -1) continue; /* still no socket, wait a bit more */
805 /* make sure the socket is sane (ISFIFO needed for Solaris) */
806 if (!S_ISSOCK(st
.st_mode
) && !S_ISFIFO(st
.st_mode
))
807 fatal_error( "'%s/%s' is not a socket\n", serverdir
, SOCKETNAME
);
808 if (st
.st_uid
!= getuid())
809 fatal_error( "'%s/%s' is not owned by you\n", serverdir
, SOCKETNAME
);
811 /* try to connect to it */
812 addr
.sun_family
= AF_UNIX
;
813 strcpy( addr
.sun_path
, SOCKETNAME
);
814 slen
= sizeof(addr
) - sizeof(addr
.sun_path
) + strlen(addr
.sun_path
) + 1;
815 #ifdef HAVE_STRUCT_SOCKADDR_UN_SUN_LEN
818 if ((s
= socket( AF_UNIX
, SOCK_STREAM
, 0 )) == -1) fatal_perror( "socket" );
819 if (connect( s
, (struct sockaddr
*)&addr
, slen
) != -1)
821 /* switch back to the starting directory */
827 fcntl( s
, F_SETFD
, 1 ); /* set close on exec flag */
832 server_connect_error( serverdir
);
836 /***********************************************************************
839 * Remove a directory and all its contents; helper for create_config_dir.
841 static void rm_rf( const char *path
)
843 int err
= errno
; /* preserve errno */
849 if (!(buffer
= malloc( strlen(path
) + 256 + 1 ))) goto done
;
850 strcpy( buffer
, path
);
851 p
= buffer
+ strlen(buffer
);
854 if ((dir
= opendir( path
)))
856 while ((de
= readdir( dir
)))
858 if (!strcmp( de
->d_name
, "." ) || !strcmp( de
->d_name
, ".." )) continue;
859 strcpy( p
, de
->d_name
);
860 if (unlink( buffer
) != -1) continue;
861 if (errno
== EISDIR
||
862 (errno
== EPERM
&& !lstat( buffer
, &st
) && S_ISDIR(st
.st_mode
)))
864 /* recurse in the sub-directory */
877 /***********************************************************************
880 * Create the wine configuration dir (~/.wine).
882 static void create_config_dir(void)
884 const char *config_dir
= wine_get_config_dir();
889 if (!(tmp_dir
= malloc( strlen(config_dir
) + sizeof("-XXXXXX") )))
890 fatal_error( "out of memory\n" );
891 strcpy( tmp_dir
, config_dir
);
892 strcat( tmp_dir
, "-XXXXXX" );
893 if ((fd
= mkstemps( tmp_dir
, 0 )) == -1)
894 fatal_perror( "can't get temp file name for %s", config_dir
);
897 if (mkdir( tmp_dir
, 0777 ) == -1)
898 fatal_perror( "cannot create temp dir %s", tmp_dir
);
900 MESSAGE( "wine: creating configuration directory '%s'...\n", config_dir
);
905 fatal_perror( "fork" );
910 static char argv0
[] = "tools/wineprefixcreate",
913 argv3
[] = "--prefix";
921 wine_exec_wine_binary( argv
[0], argv
, NULL
);
923 fatal_perror( "could not exec wineprefixcreate" );
929 while ((wret
= waitpid( pid
, &status
, 0 )) != pid
)
931 if (wret
== -1 && errno
!= EINTR
) fatal_perror( "wait4" );
933 if (!WIFEXITED(status
) || WEXITSTATUS(status
))
936 fatal_error( "wineprefixcreate failed while creating '%s'.\n", config_dir
);
939 if (rename( tmp_dir
, config_dir
) == -1)
942 if (errno
!= EEXIST
&& errno
!= ENOTEMPTY
)
943 fatal_perror( "rename '%s' to '%s'", tmp_dir
, config_dir
);
944 /* else it was probably created by a concurrent wine process */
947 MESSAGE( "wine: '%s' created successfully.\n", config_dir
);
952 #include <mach/mach.h>
953 #include <mach/mach_error.h>
954 #include <servers/bootstrap.h>
956 /* send our task port to the server */
957 static void send_server_task_port(void)
959 mach_port_t bootstrap_port
, wineserver_port
;
963 mach_msg_header_t header
;
964 mach_msg_body_t body
;
965 mach_msg_port_descriptor_t task_port
;
968 if (task_get_bootstrap_port(mach_task_self(), &bootstrap_port
) != KERN_SUCCESS
) return;
970 kret
= bootstrap_look_up(bootstrap_port
, (char*)wine_get_server_dir(), &wineserver_port
);
971 if (kret
!= KERN_SUCCESS
)
972 fatal_error( "cannot find the server port: 0x%08x\n", kret
);
974 mach_port_deallocate(mach_task_self(), bootstrap_port
);
976 msg
.header
.msgh_bits
= MACH_MSGH_BITS(MACH_MSG_TYPE_COPY_SEND
, 0) | MACH_MSGH_BITS_COMPLEX
;
977 msg
.header
.msgh_size
= sizeof(msg
);
978 msg
.header
.msgh_remote_port
= wineserver_port
;
979 msg
.header
.msgh_local_port
= MACH_PORT_NULL
;
981 msg
.body
.msgh_descriptor_count
= 1;
982 msg
.task_port
.name
= mach_task_self();
983 msg
.task_port
.disposition
= MACH_MSG_TYPE_COPY_SEND
;
984 msg
.task_port
.type
= MACH_MSG_PORT_DESCRIPTOR
;
986 kret
= mach_msg_send(&msg
.header
);
987 if (kret
!= KERN_SUCCESS
)
988 server_protocol_error( "mach_msg_send failed: 0x%08x\n", kret
);
990 mach_port_deallocate(mach_task_self(), wineserver_port
);
992 #endif /* __APPLE__ */
994 /***********************************************************************
995 * server_init_process
997 * Start the server and create the initial socket pair.
999 void server_init_process(void)
1001 obj_handle_t dummy_handle
;
1002 const char *env_socket
= getenv( "WINESERVERSOCKET" );
1006 fd_socket
= atoi( env_socket
);
1007 if (fcntl( fd_socket
, F_SETFD
, 1 ) == -1)
1008 fatal_perror( "Bad server socket %d", fd_socket
);
1009 unsetenv( "WINESERVERSOCKET" );
1013 const char *server_dir
= wine_get_server_dir();
1015 if (!server_dir
) /* this means the config dir doesn't exist */
1017 create_config_dir();
1018 server_dir
= wine_get_server_dir();
1021 /* connect to the server */
1022 fd_socket
= server_connect( server_dir
);
1025 /* setup the signal mask */
1026 sigemptyset( &server_block_set
);
1027 sigaddset( &server_block_set
, SIGALRM
);
1028 sigaddset( &server_block_set
, SIGIO
);
1029 sigaddset( &server_block_set
, SIGINT
);
1030 sigaddset( &server_block_set
, SIGHUP
);
1031 sigaddset( &server_block_set
, SIGUSR1
);
1032 sigaddset( &server_block_set
, SIGUSR2
);
1033 sigaddset( &server_block_set
, SIGCHLD
);
1034 pthread_functions
.sigprocmask( SIG_BLOCK
, &server_block_set
, NULL
);
1036 /* receive the first thread request fd on the main socket */
1037 ntdll_get_thread_data()->request_fd
= receive_fd( &dummy_handle
);
1040 send_server_task_port();
1045 /***********************************************************************
1046 * server_init_process_done
1048 NTSTATUS
server_init_process_done(void)
1050 PEB
*peb
= NtCurrentTeb()->Peb
;
1051 IMAGE_NT_HEADERS
*nt
= RtlImageNtHeader( peb
->ImageBaseAddress
);
1054 /* Install signal handlers; this cannot be done earlier, since we cannot
1055 * send exceptions to the debugger before the create process event that
1056 * is sent by REQ_INIT_PROCESS_DONE.
1057 * We do need the handlers in place by the time the request is over, so
1058 * we set them up here. If we segfault between here and the server call
1059 * something is very wrong... */
1060 if (!SIGNAL_Init()) exit(1);
1062 /* Signal the parent process to continue */
1063 SERVER_START_REQ( init_process_done
)
1065 req
->module
= peb
->ImageBaseAddress
;
1066 req
->entry
= (char *)peb
->ImageBaseAddress
+ nt
->OptionalHeader
.AddressOfEntryPoint
;
1067 req
->gui
= (nt
->OptionalHeader
.Subsystem
!= IMAGE_SUBSYSTEM_WINDOWS_CUI
);
1068 status
= wine_server_call( req
);
1072 pthread_functions
.sigprocmask( SIG_UNBLOCK
, &server_block_set
, NULL
);
1077 /***********************************************************************
1078 * server_init_thread
1080 * Send an init thread request. Return 0 if OK.
1082 size_t server_init_thread( int unix_pid
, int unix_tid
, void *entry_point
)
1086 struct sigaction sig_act
;
1089 sig_act
.sa_handler
= SIG_IGN
;
1090 sig_act
.sa_flags
= 0;
1091 sigemptyset( &sig_act
.sa_mask
);
1093 /* ignore SIGPIPE so that we get an EPIPE error instead */
1094 sigaction( SIGPIPE
, &sig_act
, NULL
);
1095 /* automatic child reaping to avoid zombies */
1097 sig_act
.sa_flags
|= SA_NOCLDWAIT
;
1099 sigaction( SIGCHLD
, &sig_act
, NULL
);
1101 /* create the server->client communication pipes */
1102 if (pipe( reply_pipe
) == -1) server_protocol_perror( "pipe" );
1103 if (pipe( ntdll_get_thread_data()->wait_fd
) == -1) server_protocol_perror( "pipe" );
1104 wine_server_send_fd( reply_pipe
[1] );
1105 wine_server_send_fd( ntdll_get_thread_data()->wait_fd
[1] );
1106 ntdll_get_thread_data()->reply_fd
= reply_pipe
[0];
1107 close( reply_pipe
[1] );
1109 /* set close on exec flag */
1110 fcntl( ntdll_get_thread_data()->reply_fd
, F_SETFD
, 1 );
1111 fcntl( ntdll_get_thread_data()->wait_fd
[0], F_SETFD
, 1 );
1112 fcntl( ntdll_get_thread_data()->wait_fd
[1], F_SETFD
, 1 );
1114 SERVER_START_REQ( init_thread
)
1116 req
->unix_pid
= unix_pid
;
1117 req
->unix_tid
= unix_tid
;
1118 req
->teb
= NtCurrentTeb();
1119 req
->peb
= NtCurrentTeb()->Peb
;
1120 req
->entry
= entry_point
;
1121 req
->ldt_copy
= &wine_ldt_copy
;
1122 req
->reply_fd
= reply_pipe
[1];
1123 req
->wait_fd
= ntdll_get_thread_data()->wait_fd
[1];
1124 req
->debug_level
= (TRACE_ON(server
) != 0);
1125 ret
= wine_server_call( req
);
1126 NtCurrentTeb()->ClientId
.UniqueProcess
= (HANDLE
)reply
->pid
;
1127 NtCurrentTeb()->ClientId
.UniqueThread
= (HANDLE
)reply
->tid
;
1128 info_size
= reply
->info_size
;
1129 version
= reply
->version
;
1130 server_start_time
= reply
->server_start
;
1134 if (ret
) server_protocol_error( "init_thread failed with status %x\n", ret
);
1135 if (version
!= SERVER_PROTOCOL_VERSION
)
1136 server_protocol_error( "version mismatch %d/%d.\n"
1137 "Your %s binary was not upgraded correctly,\n"
1138 "or you have an older one somewhere in your PATH.\n"
1139 "Or maybe the wrong wineserver is still running?\n",
1140 version
, SERVER_PROTOCOL_VERSION
,
1141 (version
> SERVER_PROTOCOL_VERSION
) ? "wine" : "wineserver" );