2 * Server-side socket management
4 * Copyright (C) 1999 Marcus Meissner, Ove Kåven
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
20 * FIXME: we use read|write access in all cases. Shouldn't we depend that
21 * on the access of the current handle?
39 #ifdef HAVE_NETINET_IN_H
40 # include <netinet/in.h>
44 #include <sys/types.h>
45 #include <sys/socket.h>
46 #include <sys/ioctl.h>
47 #ifdef HAVE_SYS_FILIO_H
48 # include <sys/filio.h>
53 #ifdef HAVE_LINUX_FILTER_H
54 # include <linux/filter.h>
56 #ifdef HAVE_LINUX_RTNETLINK_H
57 # include <linux/rtnetlink.h>
60 #ifdef HAVE_NETIPX_IPX_H
61 # include <netipx/ipx.h>
62 #elif defined(HAVE_LINUX_IPX_H)
63 # ifdef HAVE_ASM_TYPES_H
64 # include <asm/types.h>
66 # ifdef HAVE_LINUX_TYPES_H
67 # include <linux/types.h>
69 # include <linux/ipx.h>
71 #if defined(SOL_IPX) || defined(SO_DEFAULT_HEADERS)
75 #ifdef HAVE_LINUX_IRDA_H
76 # ifdef HAVE_LINUX_TYPES_H
77 # include <linux/types.h>
79 # include <linux/irda.h>
84 #define WIN32_NO_STATUS
94 #include "wine/rbtree.h"
103 #if defined(linux) && !defined(IP_UNICAST_IF)
104 #define IP_UNICAST_IF 50
107 static const char magic_loopback_addr
[] = {127, 12, 34, 56};
111 struct WS_sockaddr addr
;
112 struct WS_sockaddr_in in
;
113 struct WS_sockaddr_in6 in6
;
114 struct WS_sockaddr_ipx ipx
;
120 struct sockaddr addr
;
121 struct sockaddr_in in
;
122 struct sockaddr_in6 in6
;
124 struct sockaddr_ipx ipx
;
127 struct sockaddr_irda irda
;
131 static struct list poll_list
= LIST_INIT( poll_list
);
138 struct timeout_user
*timeout
;
139 timeout_t orig_timeout
;
158 struct sock
*sock
, *acceptsock
;
160 unsigned int recv_len
, local_len
;
168 unsigned int addr_len
, send_len
, send_cursor
;
177 enum connection_state
188 struct rb_entry entry
;
189 union unix_sockaddr addr
;
194 #define MAX_ICMP_HISTORY_LENGTH 8
198 struct object obj
; /* object header */
199 struct fd
*fd
; /* socket file descriptor */
200 enum connection_state state
; /* connection state */
201 unsigned int mask
; /* event mask */
202 /* pending AFD_POLL_* events which have not yet been reported to the application */
203 unsigned int pending_events
;
204 /* AFD_POLL_* events which have already been reported and should not be
205 * selected for again until reset by a relevant call.
207 * For example, if AFD_POLL_READ is set here and not in pending_events, it
208 * has already been reported and consumed, and we should not report it
209 * again, even if POLLIN is signaled, until it is reset by e.g recv().
211 * If an event has been signaled and not consumed yet, it will be set in
212 * both pending_events and reported_events (as we should only ever report
213 * any event once until it is reset.) */
214 unsigned int reported_events
;
215 unsigned short proto
; /* socket protocol */
216 unsigned short type
; /* socket type */
217 unsigned short family
; /* socket family */
218 struct event
*event
; /* event object */
219 user_handle_t window
; /* window to send the message to */
220 unsigned int message
; /* message to send */
221 obj_handle_t wparam
; /* message wparam (socket handle) */
222 int errors
[AFD_POLL_BIT_COUNT
]; /* event errors */
223 timeout_t connect_time
;/* time the socket was connected */
224 struct sock
*deferred
; /* socket that waits for a deferred accept */
225 struct async_queue read_q
; /* queue for asynchronous reads */
226 struct async_queue write_q
; /* queue for asynchronous writes */
227 struct async_queue ifchange_q
; /* queue for interface change notifications */
228 struct async_queue accept_q
; /* queue for asynchronous accepts */
229 struct async_queue connect_q
; /* queue for asynchronous connects */
230 struct async_queue poll_q
; /* queue for asynchronous polls */
231 struct object
*ifchange_obj
; /* the interface change notification object */
232 struct list ifchange_entry
; /* entry in ifchange notification list */
233 struct list accept_list
; /* list of pending accept requests */
234 struct accept_req
*accept_recv_req
; /* pending accept-into request which will recv on this socket */
235 struct connect_req
*connect_req
; /* pending connection request */
236 struct poll_req
*main_poll
; /* main poll */
237 union win_sockaddr addr
; /* socket name */
238 int addr_len
; /* socket name length */
239 unsigned int rcvbuf
; /* advisory recv buffer size */
240 unsigned int sndbuf
; /* advisory send buffer size */
241 unsigned int rcvtimeo
; /* receive timeout in ms */
242 unsigned int sndtimeo
; /* send timeout in ms */
245 unsigned short icmp_id
;
246 unsigned short icmp_seq
;
248 icmp_fixup_data
[MAX_ICMP_HISTORY_LENGTH
]; /* Sent ICMP packets history used to fixup reply id. */
249 struct bound_addr
*bound_addr
[2]; /* Links to the entries in bound addresses tree. */
250 unsigned int icmp_fixup_data_len
; /* Sent ICMP packets history length. */
251 unsigned int rd_shutdown
: 1; /* is the read end shut down? */
252 unsigned int wr_shutdown
: 1; /* is the write end shut down? */
253 unsigned int wr_shutdown_pending
: 1; /* is a write shutdown pending? */
254 unsigned int hangup
: 1; /* has the read end received a hangup? */
255 unsigned int aborted
: 1; /* did we get a POLLERR or irregular POLLHUP? */
256 unsigned int nonblocking
: 1; /* is the socket nonblocking? */
257 unsigned int bound
: 1; /* is the socket bound? */
258 unsigned int reset
: 1; /* did we get a TCP reset? */
259 unsigned int reuseaddr
: 1; /* winsock SO_REUSEADDR option value */
260 unsigned int exclusiveaddruse
: 1; /* winsock SO_EXCLUSIVEADDRUSE option value */
263 static int is_tcp_socket( struct sock
*sock
)
265 return sock
->type
== WS_SOCK_STREAM
&& (sock
->family
== WS_AF_INET
|| sock
->family
== WS_AF_INET6
);
268 static int addr_compare( const void *key
, const struct wine_rb_entry
*entry
)
270 const struct bound_addr
*bound_addr
= RB_ENTRY_VALUE(entry
, struct bound_addr
, entry
);
271 const struct bound_addr
*addr
= key
;
273 if (addr
->addr
.addr
.sa_family
!= bound_addr
->addr
.addr
.sa_family
)
274 return addr
->addr
.addr
.sa_family
< bound_addr
->addr
.addr
.sa_family
? -1 : 1;
276 if (addr
->addr
.addr
.sa_family
== AF_INET
)
278 if (addr
->addr
.in
.sin_port
!= bound_addr
->addr
.in
.sin_port
)
279 return addr
->addr
.in
.sin_port
< bound_addr
->addr
.in
.sin_port
? -1 : 1;
280 if (bound_addr
->match_any_addr
|| addr
->match_any_addr
281 || addr
->addr
.in
.sin_addr
.s_addr
== bound_addr
->addr
.in
.sin_addr
.s_addr
)
283 return addr
->addr
.in
.sin_addr
.s_addr
< bound_addr
->addr
.in
.sin_addr
.s_addr
? -1 : 1;
286 assert( addr
->addr
.addr
.sa_family
== AF_INET6
);
287 if (addr
->addr
.in6
.sin6_port
!= bound_addr
->addr
.in6
.sin6_port
)
288 return addr
->addr
.in6
.sin6_port
< bound_addr
->addr
.in6
.sin6_port
? -1 : 1;
289 if (bound_addr
->match_any_addr
|| addr
->match_any_addr
) return 0;
290 return memcmp( &addr
->addr
.in6
.sin6_addr
, &bound_addr
->addr
.in6
.sin6_addr
, sizeof(addr
->addr
.in6
.sin6_addr
) );
293 static int ipv4addr_from_v6( union unix_sockaddr
*v4addr
, const struct sockaddr_in6
*in6
, int map_unspecified
)
295 v4addr
->in
.sin_family
= AF_INET
;
296 v4addr
->in
.sin_port
= in6
->sin6_port
;
298 if (map_unspecified
&& IN6_IS_ADDR_UNSPECIFIED(&in6
->sin6_addr
))
300 v4addr
->in
.sin_addr
.s_addr
= htonl( INADDR_ANY
);
303 if (IN6_IS_ADDR_V4COMPAT(&in6
->sin6_addr
) || IN6_IS_ADDR_V4MAPPED(&in6
->sin6_addr
))
305 memcpy( &v4addr
->in
.sin_addr
.s_addr
, &in6
->sin6_addr
.s6_addr
[12], sizeof(v4addr
->in
.sin_addr
.s_addr
) );
311 static struct rb_tree bound_addresses_tree
= { addr_compare
};
313 static int should_track_conflicts_for_addr( struct sock
*sock
, const union unix_sockaddr
*addr
)
315 if (!is_tcp_socket( sock
)) return 0;
317 if (sock
->family
== WS_AF_INET
&& addr
->addr
.sa_family
== AF_INET
&& addr
->in
.sin_port
)
319 else if (sock
->family
== WS_AF_INET6
&& addr
->addr
.sa_family
== AF_INET6
&& addr
->in6
.sin6_port
)
325 static int is_any_addr( const union unix_sockaddr
*addr
)
327 if (addr
->addr
.sa_family
== AF_INET
&& addr
->in
.sin_addr
.s_addr
== htonl( INADDR_ANY
))
329 if (addr
->addr
.sa_family
== AF_INET6
&& IN6_IS_ADDR_UNSPECIFIED(&addr
->in6
.sin6_addr
))
334 static int check_addr_usage( struct sock
*sock
, const union unix_sockaddr
*addr
, int v6only
)
336 struct bound_addr
*bound_addr
, search_addr
;
337 struct rb_entry
*entry
;
339 if (!should_track_conflicts_for_addr( sock
, addr
)) return 0;
341 search_addr
.addr
= *addr
;
342 search_addr
.match_any_addr
= sock
->exclusiveaddruse
&& is_any_addr( addr
);
344 if ((entry
= rb_get( &bound_addresses_tree
, &search_addr
)))
346 bound_addr
= WINE_RB_ENTRY_VALUE(entry
, struct bound_addr
, entry
);
347 if (bound_addr
->reuse_count
== -1 || !sock
->reuseaddr
)
349 set_error( sock
->reuseaddr
|| bound_addr
->match_any_addr
350 ? STATUS_ACCESS_DENIED
: STATUS_SHARING_VIOLATION
);
355 if (sock
->family
!= WS_AF_INET6
|| v6only
) return 0;
356 if (!ipv4addr_from_v6( &search_addr
.addr
, &addr
->in6
, sock
->exclusiveaddruse
)) return 0;
358 search_addr
.match_any_addr
= sock
->exclusiveaddruse
&& is_any_addr( &search_addr
.addr
);
359 if ((entry
= rb_get( &bound_addresses_tree
, &search_addr
)))
361 bound_addr
= WINE_RB_ENTRY_VALUE(entry
, struct bound_addr
, entry
);
362 if (bound_addr
->reuse_count
== -1 || !sock
->reuseaddr
)
364 set_error( sock
->reuseaddr
|| bound_addr
->match_any_addr
365 ? STATUS_ACCESS_DENIED
: STATUS_SHARING_VIOLATION
);
372 static struct bound_addr
*register_bound_address( struct sock
*sock
, const union unix_sockaddr
*addr
)
374 struct bound_addr
*bound_addr
, *temp
;
376 if (!(bound_addr
= mem_alloc( sizeof(*bound_addr
) )))
379 bound_addr
->addr
= *addr
;
380 bound_addr
->match_any_addr
= sock
->exclusiveaddruse
&& is_any_addr( addr
);
382 if (rb_put( &bound_addresses_tree
, bound_addr
, &bound_addr
->entry
))
385 bound_addr
= WINE_RB_ENTRY_VALUE(rb_get( &bound_addresses_tree
, temp
), struct bound_addr
, entry
);
387 if (bound_addr
->reuse_count
== -1)
390 fprintf( stderr
, "register_bound_address: address being updated is already exclusively bound\n" );
393 ++bound_addr
->reuse_count
;
397 bound_addr
->reuse_count
= sock
->reuseaddr
? 1 : -1;
402 static void update_addr_usage( struct sock
*sock
, const union unix_sockaddr
*addr
, int v6only
)
404 union unix_sockaddr v4addr
;
406 assert( !sock
->bound_addr
[0] && !sock
->bound_addr
[1] );
408 if (!should_track_conflicts_for_addr( sock
, addr
)) return;
410 sock
->bound_addr
[0] = register_bound_address( sock
, addr
);
412 if (sock
->family
!= WS_AF_INET6
|| v6only
) return;
414 if (!ipv4addr_from_v6( &v4addr
, &addr
->in6
, sock
->exclusiveaddruse
)) return;
416 sock
->bound_addr
[1] = register_bound_address( sock
, &v4addr
);
419 static void sock_dump( struct object
*obj
, int verbose
);
420 static struct fd
*sock_get_fd( struct object
*obj
);
421 static int sock_close_handle( struct object
*obj
, struct process
*process
, obj_handle_t handle
);
422 static void sock_destroy( struct object
*obj
);
423 static struct object
*sock_get_ifchange( struct sock
*sock
);
424 static void sock_release_ifchange( struct sock
*sock
);
426 static int sock_get_poll_events( struct fd
*fd
);
427 static void sock_poll_event( struct fd
*fd
, int event
);
428 static enum server_fd_type
sock_get_fd_type( struct fd
*fd
);
429 static void sock_ioctl( struct fd
*fd
, ioctl_code_t code
, struct async
*async
);
430 static void sock_cancel_async( struct fd
*fd
, struct async
*async
);
431 static void sock_reselect_async( struct fd
*fd
, struct async_queue
*queue
);
433 static int accept_into_socket( struct sock
*sock
, struct sock
*acceptsock
);
434 static struct sock
*accept_socket( struct sock
*sock
);
435 static int sock_get_ntstatus( int err
);
436 static unsigned int sock_get_error( int err
);
437 static void poll_socket( struct sock
*poll_sock
, struct async
*async
, int exclusive
, timeout_t timeout
,
438 unsigned int count
, const struct afd_poll_socket_64
*sockets
);
440 static const struct object_ops sock_ops
=
442 sizeof(struct sock
), /* size */
443 &file_type
, /* type */
444 sock_dump
, /* dump */
445 add_queue
, /* add_queue */
446 remove_queue
, /* remove_queue */
447 default_fd_signaled
, /* signaled */
448 no_satisfied
, /* satisfied */
449 no_signal
, /* signal */
450 sock_get_fd
, /* get_fd */
451 default_map_access
, /* map_access */
452 default_get_sd
, /* get_sd */
453 default_set_sd
, /* set_sd */
454 no_get_full_name
, /* get_full_name */
455 no_lookup_name
, /* lookup_name */
456 no_link_name
, /* link_name */
457 NULL
, /* unlink_name */
458 no_open_file
, /* open_file */
459 no_kernel_obj_list
, /* get_kernel_obj_list */
460 sock_close_handle
, /* close_handle */
461 sock_destroy
/* destroy */
464 static const struct fd_ops sock_fd_ops
=
466 sock_get_poll_events
, /* get_poll_events */
467 sock_poll_event
, /* poll_event */
468 sock_get_fd_type
, /* get_fd_type */
469 no_fd_read
, /* read */
470 no_fd_write
, /* write */
471 no_fd_flush
, /* flush */
472 default_fd_get_file_info
, /* get_file_info */
473 no_fd_get_volume_info
, /* get_volume_info */
474 sock_ioctl
, /* ioctl */
475 sock_cancel_async
, /* cancel_async */
476 no_fd_queue_async
, /* queue_async */
477 sock_reselect_async
/* reselect_async */
480 static int sockaddr_from_unix( const union unix_sockaddr
*uaddr
, struct WS_sockaddr
*wsaddr
, socklen_t wsaddrlen
)
482 memset( wsaddr
, 0, wsaddrlen
);
484 switch (uaddr
->addr
.sa_family
)
488 struct WS_sockaddr_in win
= {0};
490 if (wsaddrlen
< sizeof(win
)) return -1;
491 win
.sin_family
= WS_AF_INET
;
492 win
.sin_port
= uaddr
->in
.sin_port
;
493 memcpy( &win
.sin_addr
, &uaddr
->in
.sin_addr
, sizeof(win
.sin_addr
) );
494 memcpy( wsaddr
, &win
, sizeof(win
) );
500 struct WS_sockaddr_in6 win
= {0};
502 if (wsaddrlen
< sizeof(win
)) return -1;
503 win
.sin6_family
= WS_AF_INET6
;
504 win
.sin6_port
= uaddr
->in6
.sin6_port
;
505 win
.sin6_flowinfo
= uaddr
->in6
.sin6_flowinfo
;
506 memcpy( &win
.sin6_addr
, &uaddr
->in6
.sin6_addr
, sizeof(win
.sin6_addr
) );
507 #ifdef HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID
508 win
.sin6_scope_id
= uaddr
->in6
.sin6_scope_id
;
510 memcpy( wsaddr
, &win
, sizeof(win
) );
517 struct WS_sockaddr_ipx win
= {0};
519 if (wsaddrlen
< sizeof(win
)) return -1;
520 win
.sa_family
= WS_AF_IPX
;
521 memcpy( win
.sa_netnum
, &uaddr
->ipx
.sipx_network
, sizeof(win
.sa_netnum
) );
522 memcpy( win
.sa_nodenum
, &uaddr
->ipx
.sipx_node
, sizeof(win
.sa_nodenum
) );
523 win
.sa_socket
= uaddr
->ipx
.sipx_port
;
524 memcpy( wsaddr
, &win
, sizeof(win
) );
534 if (wsaddrlen
< sizeof(win
)) return -1;
535 win
.irdaAddressFamily
= WS_AF_IRDA
;
536 memcpy( win
.irdaDeviceID
, &uaddr
->irda
.sir_addr
, sizeof(win
.irdaDeviceID
) );
537 if (uaddr
->irda
.sir_lsap_sel
!= LSAP_ANY
)
538 snprintf( win
.irdaServiceName
, sizeof(win
.irdaServiceName
), "LSAP-SEL%u", uaddr
->irda
.sir_lsap_sel
);
540 memcpy( win
.irdaServiceName
, uaddr
->irda
.sir_name
, sizeof(win
.irdaServiceName
) );
541 memcpy( wsaddr
, &win
, sizeof(win
) );
555 static socklen_t
sockaddr_to_unix( const struct WS_sockaddr
*wsaddr
, int wsaddrlen
, union unix_sockaddr
*uaddr
)
557 memset( uaddr
, 0, sizeof(*uaddr
) );
559 switch (wsaddr
->sa_family
)
563 struct WS_sockaddr_in win
= {0};
565 if (wsaddrlen
< sizeof(win
)) return 0;
566 memcpy( &win
, wsaddr
, sizeof(win
) );
567 uaddr
->in
.sin_family
= AF_INET
;
568 uaddr
->in
.sin_port
= win
.sin_port
;
569 memcpy( &uaddr
->in
.sin_addr
, &win
.sin_addr
, sizeof(win
.sin_addr
) );
570 return sizeof(uaddr
->in
);
575 struct WS_sockaddr_in6 win
= {0};
577 if (wsaddrlen
< sizeof(win
)) return 0;
578 memcpy( &win
, wsaddr
, sizeof(win
) );
579 uaddr
->in6
.sin6_family
= AF_INET6
;
580 uaddr
->in6
.sin6_port
= win
.sin6_port
;
581 uaddr
->in6
.sin6_flowinfo
= win
.sin6_flowinfo
;
582 memcpy( &uaddr
->in6
.sin6_addr
, &win
.sin6_addr
, sizeof(win
.sin6_addr
) );
583 #ifdef HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID
584 uaddr
->in6
.sin6_scope_id
= win
.sin6_scope_id
;
586 return sizeof(uaddr
->in6
);
592 struct WS_sockaddr_ipx win
= {0};
594 if (wsaddrlen
< sizeof(win
)) return 0;
595 memcpy( &win
, wsaddr
, sizeof(win
) );
596 uaddr
->ipx
.sipx_family
= AF_IPX
;
597 memcpy( &uaddr
->ipx
.sipx_network
, win
.sa_netnum
, sizeof(win
.sa_netnum
) );
598 memcpy( &uaddr
->ipx
.sipx_node
, win
.sa_nodenum
, sizeof(win
.sa_nodenum
) );
599 uaddr
->ipx
.sipx_port
= win
.sa_socket
;
600 return sizeof(uaddr
->ipx
);
607 SOCKADDR_IRDA win
= {0};
608 unsigned int lsap_sel
;
610 if (wsaddrlen
< sizeof(win
)) return 0;
611 memcpy( &win
, wsaddr
, sizeof(win
) );
612 uaddr
->irda
.sir_family
= AF_IRDA
;
613 if (sscanf( win
.irdaServiceName
, "LSAP-SEL%u", &lsap_sel
) == 1)
614 uaddr
->irda
.sir_lsap_sel
= lsap_sel
;
617 uaddr
->irda
.sir_lsap_sel
= LSAP_ANY
;
618 memcpy( uaddr
->irda
.sir_name
, win
.irdaServiceName
, sizeof(win
.irdaServiceName
) );
620 memcpy( &uaddr
->irda
.sir_addr
, win
.irdaDeviceID
, sizeof(win
.irdaDeviceID
) );
621 return sizeof(uaddr
->irda
);
628 default: /* likely an ipv4 address */
629 case sizeof(struct WS_sockaddr_in
):
630 return sizeof(uaddr
->in
);
633 case sizeof(struct WS_sockaddr_ipx
):
634 return sizeof(uaddr
->ipx
);
638 case sizeof(SOCKADDR_IRDA
):
639 return sizeof(uaddr
->irda
);
642 case sizeof(struct WS_sockaddr_in6
):
643 return sizeof(uaddr
->in6
);
651 static socklen_t
get_unix_sockaddr_any( union unix_sockaddr
*uaddr
, int ws_family
)
653 memset( uaddr
, 0, sizeof(*uaddr
) );
657 uaddr
->in
.sin_family
= AF_INET
;
658 return sizeof(uaddr
->in
);
660 uaddr
->in6
.sin6_family
= AF_INET6
;
661 return sizeof(uaddr
->in6
);
664 uaddr
->ipx
.sipx_family
= AF_IPX
;
665 return sizeof(uaddr
->ipx
);
669 uaddr
->irda
.sir_family
= AF_IRDA
;
670 return sizeof(uaddr
->irda
);
677 /* some events are generated at the same time but must be sent in a particular
678 * order (e.g. CONNECT must be sent before READ) */
679 static const enum afd_poll_bit event_bitorder
[] =
681 AFD_POLL_BIT_CONNECT
,
682 AFD_POLL_BIT_CONNECT_ERR
,
693 SOCK_SHUTDOWN_ERROR
= -1,
694 SOCK_SHUTDOWN_EOF
= 0,
695 SOCK_SHUTDOWN_POLLHUP
= 1
698 static sock_shutdown_t sock_shutdown_type
= SOCK_SHUTDOWN_ERROR
;
700 static sock_shutdown_t
sock_check_pollhup(void)
702 sock_shutdown_t ret
= SOCK_SHUTDOWN_ERROR
;
707 if ( socketpair( AF_UNIX
, SOCK_STREAM
, 0, fd
) ) return ret
;
708 if ( shutdown( fd
[0], 1 ) ) goto out
;
714 /* Solaris' poll() sometimes returns nothing if given a 0ms timeout here */
715 n
= poll( &pfd
, 1, 1 );
716 if ( n
!= 1 ) goto out
; /* error or timeout */
717 if ( pfd
.revents
& POLLHUP
)
718 ret
= SOCK_SHUTDOWN_POLLHUP
;
719 else if ( pfd
.revents
& POLLIN
&&
720 read( fd
[1], &dummy
, 1 ) == 0 )
721 ret
= SOCK_SHUTDOWN_EOF
;
731 sock_shutdown_type
= sock_check_pollhup();
733 switch ( sock_shutdown_type
)
735 case SOCK_SHUTDOWN_EOF
:
736 if (debug_level
) fprintf( stderr
, "sock_init: shutdown() causes EOF\n" );
738 case SOCK_SHUTDOWN_POLLHUP
:
739 if (debug_level
) fprintf( stderr
, "sock_init: shutdown() causes POLLHUP\n" );
742 fprintf( stderr
, "sock_init: ERROR in sock_check_pollhup()\n" );
743 sock_shutdown_type
= SOCK_SHUTDOWN_EOF
;
747 static void sock_reselect( struct sock
*sock
)
749 int ev
= sock_get_poll_events( sock
->fd
);
752 fprintf(stderr
,"sock_reselect(%p): new mask %x\n", sock
, ev
);
754 set_fd_events( sock
->fd
, ev
);
757 static unsigned int afd_poll_flag_to_win32( unsigned int flags
)
759 static const unsigned int map
[] =
763 FD_WRITE
, /* WRITE */
765 FD_CLOSE
, /* RESET */
767 FD_CONNECT
, /* CONNECT */
768 FD_ACCEPT
, /* ACCEPT */
769 FD_CONNECT
, /* CONNECT_ERR */
772 unsigned int i
, ret
= 0;
774 for (i
= 0; i
< ARRAY_SIZE(map
); ++i
)
776 if (flags
& (1 << i
)) ret
|= map
[i
];
782 /* wake anybody waiting on the socket event or send the associated message */
783 static void sock_wake_up( struct sock
*sock
)
785 unsigned int events
= sock
->pending_events
& sock
->mask
;
790 if (debug_level
) fprintf(stderr
, "signalling events %x ptr %p\n", events
, sock
->event
);
792 set_event( sock
->event
);
796 if (debug_level
) fprintf(stderr
, "signalling events %x win %08x\n", events
, sock
->window
);
797 for (i
= 0; i
< ARRAY_SIZE(event_bitorder
); i
++)
799 enum afd_poll_bit event
= event_bitorder
[i
];
800 if (events
& (1 << event
))
802 lparam_t lparam
= afd_poll_flag_to_win32(1 << event
) | (sock_get_error( sock
->errors
[event
] ) << 16);
803 post_message( sock
->window
, sock
->message
, sock
->wparam
, lparam
);
806 sock
->pending_events
= 0;
807 sock_reselect( sock
);
811 static inline int sock_error( struct sock
*sock
)
814 socklen_t len
= sizeof(error
);
816 getsockopt( get_unix_fd(sock
->fd
), SOL_SOCKET
, SO_ERROR
, (void *)&error
, &len
);
820 case SOCK_UNCONNECTED
:
823 case SOCK_CONNECTING
:
825 sock
->errors
[AFD_POLL_BIT_CONNECT_ERR
] = error
;
827 error
= sock
->errors
[AFD_POLL_BIT_CONNECT_ERR
];
832 sock
->errors
[AFD_POLL_BIT_ACCEPT
] = error
;
834 error
= sock
->errors
[AFD_POLL_BIT_ACCEPT
];
838 case SOCK_CONNECTIONLESS
:
839 if (error
== ECONNRESET
|| error
== EPIPE
)
845 sock
->errors
[AFD_POLL_BIT_HUP
] = error
;
847 error
= sock
->errors
[AFD_POLL_BIT_HUP
];
854 static void free_accept_req( void *private )
856 struct accept_req
*req
= private;
857 list_remove( &req
->entry
);
860 req
->acceptsock
->accept_recv_req
= NULL
;
861 release_object( req
->acceptsock
);
863 release_object( req
->async
);
864 release_object( req
->iosb
);
865 release_object( req
->sock
);
869 static void fill_accept_output( struct accept_req
*req
)
871 const data_size_t out_size
= req
->iosb
->out_size
;
872 struct async
*async
= req
->async
;
873 union unix_sockaddr unix_addr
;
874 struct WS_sockaddr
*win_addr
;
875 unsigned int remote_len
;
881 if (!(out_data
= mem_alloc( out_size
)))
883 async_terminate( async
, get_error() );
887 fd
= get_unix_fd( req
->acceptsock
->fd
);
889 if (req
->recv_len
&& (size
= recv( fd
, out_data
, req
->recv_len
, 0 )) < 0)
891 if (!req
->accepted
&& errno
== EWOULDBLOCK
)
894 sock_reselect( req
->acceptsock
);
898 async_terminate( async
, sock_get_ntstatus( errno
) );
905 if (req
->local_len
< sizeof(int))
907 async_terminate( async
, STATUS_BUFFER_TOO_SMALL
);
912 unix_len
= sizeof(unix_addr
);
913 win_addr
= (struct WS_sockaddr
*)(out_data
+ req
->recv_len
+ sizeof(int));
914 if (getsockname( fd
, &unix_addr
.addr
, &unix_len
) < 0 ||
915 (win_len
= sockaddr_from_unix( &unix_addr
, win_addr
, req
->local_len
- sizeof(int) )) < 0)
917 async_terminate( async
, sock_get_ntstatus( errno
) );
921 memcpy( out_data
+ req
->recv_len
, &win_len
, sizeof(int) );
924 unix_len
= sizeof(unix_addr
);
925 win_addr
= (struct WS_sockaddr
*)(out_data
+ req
->recv_len
+ req
->local_len
+ sizeof(int));
926 remote_len
= out_size
- req
->recv_len
- req
->local_len
;
927 if (getpeername( fd
, &unix_addr
.addr
, &unix_len
) < 0 ||
928 (win_len
= sockaddr_from_unix( &unix_addr
, win_addr
, remote_len
- sizeof(int) )) < 0)
930 async_terminate( async
, sock_get_ntstatus( errno
) );
934 memcpy( out_data
+ req
->recv_len
+ req
->local_len
, &win_len
, sizeof(int) );
936 async_request_complete( req
->async
, STATUS_SUCCESS
, size
, out_size
, out_data
);
939 static void complete_async_accept( struct sock
*sock
, struct accept_req
*req
)
941 struct sock
*acceptsock
= req
->acceptsock
;
942 struct async
*async
= req
->async
;
944 if (debug_level
) fprintf( stderr
, "completing accept request for socket %p\n", sock
);
948 if (!accept_into_socket( sock
, acceptsock
))
950 async_terminate( async
, get_error() );
953 fill_accept_output( req
);
959 if (!(acceptsock
= accept_socket( sock
)))
961 async_terminate( async
, get_error() );
964 handle
= alloc_handle_no_access_check( async_get_thread( async
)->process
, &acceptsock
->obj
,
965 GENERIC_READ
| GENERIC_WRITE
| SYNCHRONIZE
, OBJ_INHERIT
);
966 acceptsock
->wparam
= handle
;
967 sock_reselect( acceptsock
);
968 release_object( acceptsock
);
971 async_terminate( async
, get_error() );
975 async_request_complete_alloc( req
->async
, STATUS_SUCCESS
, 0, sizeof(handle
), &handle
);
979 static void complete_async_accept_recv( struct accept_req
*req
)
981 if (debug_level
) fprintf( stderr
, "completing accept recv request for socket %p\n", req
->acceptsock
);
983 assert( req
->recv_len
);
985 fill_accept_output( req
);
988 static void free_connect_req( void *private )
990 struct connect_req
*req
= private;
992 req
->sock
->connect_req
= NULL
;
993 release_object( req
->async
);
994 release_object( req
->iosb
);
995 release_object( req
->sock
);
999 static void complete_async_connect( struct sock
*sock
)
1001 struct connect_req
*req
= sock
->connect_req
;
1002 const char *in_buffer
;
1006 if (debug_level
) fprintf( stderr
, "completing connect request for socket %p\n", sock
);
1010 async_terminate( req
->async
, STATUS_SUCCESS
);
1014 in_buffer
= (const char *)req
->iosb
->in_data
+ sizeof(struct afd_connect_params
) + req
->addr_len
;
1015 len
= req
->send_len
- req
->send_cursor
;
1017 ret
= send( get_unix_fd( sock
->fd
), in_buffer
+ req
->send_cursor
, len
, 0 );
1018 if (ret
< 0 && errno
!= EWOULDBLOCK
)
1019 async_terminate( req
->async
, sock_get_ntstatus( errno
) );
1020 else if (ret
== len
)
1021 async_request_complete( req
->async
, STATUS_SUCCESS
, req
->send_len
, 0, NULL
);
1023 req
->send_cursor
+= ret
;
1026 static void free_poll_req( void *private )
1028 struct poll_req
*req
= private;
1031 if (req
->timeout
) remove_timeout_user( req
->timeout
);
1033 for (i
= 0; i
< req
->count
; ++i
)
1034 release_object( req
->sockets
[i
].sock
);
1035 release_object( req
->async
);
1036 release_object( req
->iosb
);
1037 list_remove( &req
->entry
);
1041 static int is_oobinline( struct sock
*sock
)
1044 socklen_t len
= sizeof(oobinline
);
1045 return !getsockopt( get_unix_fd( sock
->fd
), SOL_SOCKET
, SO_OOBINLINE
, (char *)&oobinline
, &len
) && oobinline
;
1048 static int get_poll_flags( struct sock
*sock
, int event
)
1052 /* A connection-mode socket which has never been connected does not return
1053 * write or hangup events, but Linux reports POLLOUT | POLLHUP. */
1054 if (sock
->state
== SOCK_UNCONNECTED
)
1055 event
&= ~(POLLOUT
| POLLHUP
);
1059 if (sock
->state
== SOCK_LISTENING
)
1060 flags
|= AFD_POLL_ACCEPT
;
1062 flags
|= AFD_POLL_READ
;
1064 if (event
& POLLPRI
)
1065 flags
|= is_oobinline( sock
) ? AFD_POLL_READ
: AFD_POLL_OOB
;
1066 if (event
& POLLOUT
)
1067 flags
|= AFD_POLL_WRITE
;
1068 if (sock
->state
== SOCK_CONNECTED
)
1069 flags
|= AFD_POLL_CONNECT
;
1070 if (event
& POLLHUP
)
1071 flags
|= AFD_POLL_HUP
;
1072 if (event
& POLLERR
)
1073 flags
|= AFD_POLL_CONNECT_ERR
;
1075 flags
|= AFD_POLL_RESET
;
1080 static void complete_async_poll( struct poll_req
*req
, unsigned int status
)
1082 unsigned int i
, signaled_count
= 0;
1084 for (i
= 0; i
< req
->count
; ++i
)
1086 struct sock
*sock
= req
->sockets
[i
].sock
;
1088 if (sock
->main_poll
== req
)
1089 sock
->main_poll
= NULL
;
1094 for (i
= 0; i
< req
->count
; ++i
)
1096 if (req
->sockets
[i
].flags
)
1101 if (is_machine_64bit( async_get_thread( req
->async
)->process
->machine
))
1103 size_t output_size
= offsetof( struct afd_poll_params_64
, sockets
[signaled_count
] );
1104 struct afd_poll_params_64
*output
;
1106 if (!(output
= mem_alloc( output_size
)))
1108 async_terminate( req
->async
, get_error() );
1111 memset( output
, 0, output_size
);
1112 output
->timeout
= req
->orig_timeout
;
1113 output
->exclusive
= req
->exclusive
;
1114 for (i
= 0; i
< req
->count
; ++i
)
1116 if (!req
->sockets
[i
].flags
) continue;
1117 output
->sockets
[output
->count
].socket
= req
->sockets
[i
].handle
;
1118 output
->sockets
[output
->count
].flags
= req
->sockets
[i
].flags
;
1119 output
->sockets
[output
->count
].status
= req
->sockets
[i
].status
;
1122 assert( output
->count
== signaled_count
);
1124 async_request_complete( req
->async
, status
, output_size
, output_size
, output
);
1128 size_t output_size
= offsetof( struct afd_poll_params_32
, sockets
[signaled_count
] );
1129 struct afd_poll_params_32
*output
;
1131 if (!(output
= mem_alloc( output_size
)))
1133 async_terminate( req
->async
, get_error() );
1136 memset( output
, 0, output_size
);
1137 output
->timeout
= req
->orig_timeout
;
1138 output
->exclusive
= req
->exclusive
;
1139 for (i
= 0; i
< req
->count
; ++i
)
1141 if (!req
->sockets
[i
].flags
) continue;
1142 output
->sockets
[output
->count
].socket
= req
->sockets
[i
].handle
;
1143 output
->sockets
[output
->count
].flags
= req
->sockets
[i
].flags
;
1144 output
->sockets
[output
->count
].status
= req
->sockets
[i
].status
;
1147 assert( output
->count
== signaled_count
);
1149 async_request_complete( req
->async
, status
, output_size
, output_size
, output
);
1153 static void complete_async_polls( struct sock
*sock
, int event
, int error
)
1155 int flags
= get_poll_flags( sock
, event
);
1156 struct poll_req
*req
, *next
;
1158 LIST_FOR_EACH_ENTRY_SAFE( req
, next
, &poll_list
, struct poll_req
, entry
)
1162 if (req
->iosb
->status
!= STATUS_PENDING
) continue;
1164 for (i
= 0; i
< req
->count
; ++i
)
1166 if (req
->sockets
[i
].sock
!= sock
) continue;
1167 if (!(req
->sockets
[i
].mask
& flags
)) continue;
1170 fprintf( stderr
, "completing poll for socket %p, wanted %#x got %#x\n",
1171 sock
, req
->sockets
[i
].mask
, flags
);
1173 req
->sockets
[i
].flags
= req
->sockets
[i
].mask
& flags
;
1174 req
->sockets
[i
].status
= sock_get_ntstatus( error
);
1178 complete_async_poll( req
, STATUS_SUCCESS
);
1185 static void async_poll_timeout( void *private )
1187 struct poll_req
*req
= private;
1189 req
->timeout
= NULL
;
1191 if (req
->iosb
->status
!= STATUS_PENDING
) return;
1193 complete_async_poll( req
, STATUS_TIMEOUT
);
1196 static int sock_dispatch_asyncs( struct sock
*sock
, int event
, int error
)
1198 if (event
& (POLLIN
| POLLPRI
))
1200 struct accept_req
*req
;
1202 LIST_FOR_EACH_ENTRY( req
, &sock
->accept_list
, struct accept_req
, entry
)
1204 if (req
->iosb
->status
== STATUS_PENDING
&& !req
->accepted
)
1206 complete_async_accept( sock
, req
);
1212 if (sock
->accept_recv_req
&& sock
->accept_recv_req
->iosb
->status
== STATUS_PENDING
)
1213 complete_async_accept_recv( sock
->accept_recv_req
);
1216 if ((event
& POLLOUT
) && sock
->connect_req
&& sock
->connect_req
->iosb
->status
== STATUS_PENDING
)
1217 complete_async_connect( sock
);
1219 if ((event
& (POLLIN
| POLLPRI
)) && async_queued( &sock
->read_q
))
1221 if (async_waiting( &sock
->read_q
))
1223 if (debug_level
) fprintf( stderr
, "activating read queue for socket %p\n", sock
);
1224 async_wake_up( &sock
->read_q
, STATUS_ALERTED
);
1226 event
&= ~(POLLIN
| POLLPRI
);
1229 if ((event
& POLLOUT
) && async_queued( &sock
->write_q
))
1231 if (async_waiting( &sock
->write_q
))
1233 if (debug_level
) fprintf( stderr
, "activating write queue for socket %p\n", sock
);
1234 async_wake_up( &sock
->write_q
, STATUS_ALERTED
);
1239 if (event
& (POLLERR
| POLLHUP
))
1241 int status
= sock_get_ntstatus( error
);
1242 struct accept_req
*req
, *next
;
1244 async_wake_up( &sock
->read_q
, status
);
1245 async_wake_up( &sock
->write_q
, status
);
1247 LIST_FOR_EACH_ENTRY_SAFE( req
, next
, &sock
->accept_list
, struct accept_req
, entry
)
1249 if (req
->iosb
->status
== STATUS_PENDING
)
1250 async_terminate( req
->async
, status
);
1253 if (sock
->accept_recv_req
&& sock
->accept_recv_req
->iosb
->status
== STATUS_PENDING
)
1254 async_terminate( sock
->accept_recv_req
->async
, status
);
1256 if (sock
->connect_req
)
1257 async_terminate( sock
->connect_req
->async
, status
);
1262 async_wake_up( &sock
->read_q
, STATUS_CONNECTION_RESET
);
1263 async_wake_up( &sock
->write_q
, STATUS_CONNECTION_RESET
);
1265 if (sock
->accept_recv_req
&& sock
->accept_recv_req
->iosb
->status
== STATUS_PENDING
)
1266 async_terminate( sock
->accept_recv_req
->async
, STATUS_CONNECTION_RESET
);
1272 static void post_socket_event( struct sock
*sock
, enum afd_poll_bit event_bit
)
1274 unsigned int event
= (1 << event_bit
);
1276 if (!(sock
->reported_events
& event
))
1278 sock
->pending_events
|= event
;
1279 sock
->reported_events
|= event
;
1283 static void sock_dispatch_events( struct sock
*sock
, enum connection_state prevstate
, int event
)
1287 case SOCK_UNCONNECTED
:
1290 case SOCK_CONNECTING
:
1291 if (event
& POLLOUT
)
1292 post_socket_event( sock
, AFD_POLL_BIT_CONNECT
);
1293 if (event
& (POLLERR
| POLLHUP
))
1294 post_socket_event( sock
, AFD_POLL_BIT_CONNECT_ERR
);
1297 case SOCK_LISTENING
:
1298 if (event
& (POLLIN
| POLLERR
| POLLHUP
))
1299 post_socket_event( sock
, AFD_POLL_BIT_ACCEPT
);
1302 case SOCK_CONNECTED
:
1303 case SOCK_CONNECTIONLESS
:
1305 post_socket_event( sock
, AFD_POLL_BIT_RESET
);
1308 post_socket_event( sock
, AFD_POLL_BIT_READ
);
1310 if (event
& POLLOUT
)
1311 post_socket_event( sock
, AFD_POLL_BIT_WRITE
);
1313 if (event
& POLLPRI
)
1314 post_socket_event( sock
, AFD_POLL_BIT_OOB
);
1316 if (event
& (POLLERR
| POLLHUP
))
1317 post_socket_event( sock
, AFD_POLL_BIT_HUP
);
1321 sock_wake_up( sock
);
1324 static void sock_poll_event( struct fd
*fd
, int event
)
1326 struct sock
*sock
= get_fd_user( fd
);
1327 int hangup_seen
= 0;
1328 enum connection_state prevstate
= sock
->state
;
1331 assert( sock
->obj
.ops
== &sock_ops
);
1333 fprintf(stderr
, "socket %p select event: %x\n", sock
, event
);
1335 if (event
& (POLLERR
| POLLHUP
))
1336 error
= sock_error( sock
);
1338 switch (sock
->state
)
1340 case SOCK_UNCONNECTED
:
1343 case SOCK_CONNECTING
:
1344 if (event
& (POLLERR
|POLLHUP
))
1346 sock
->state
= SOCK_UNCONNECTED
;
1349 else if (event
& POLLOUT
)
1351 sock
->state
= SOCK_CONNECTED
;
1352 sock
->connect_time
= current_time
;
1353 sock
->errors
[AFD_POLL_BIT_CONNECT_ERR
] = 0;
1357 case SOCK_LISTENING
:
1360 case SOCK_CONNECTED
:
1361 case SOCK_CONNECTIONLESS
:
1363 event
&= ~(POLLIN
| POLLERR
| POLLHUP
);
1365 if (sock
->type
== WS_SOCK_STREAM
&& (event
& POLLIN
))
1370 /* Linux 2.4 doesn't report POLLHUP if only one side of the socket
1371 * has been closed, so we need to check for it explicitly here */
1372 nr
= recv( get_unix_fd( fd
), &dummy
, 1, MSG_PEEK
);
1381 /* EAGAIN can happen if an async recv() falls between the server's poll()
1382 call and the invocation of this routine */
1383 if (errno
== ECONNRESET
|| errno
== EPIPE
)
1387 else if (errno
!= EAGAIN
)
1391 sock
->errors
[AFD_POLL_BIT_HUP
] = error
;
1393 fprintf( stderr
, "recv error on socket %p: %d\n", sock
, errno
);
1398 if (hangup_seen
|| (sock_shutdown_type
== SOCK_SHUTDOWN_POLLHUP
&& (event
& POLLHUP
)))
1402 else if (event
& (POLLHUP
| POLLERR
))
1407 fprintf( stderr
, "socket %p aborted by error %d, event %#x\n", sock
, error
, event
);
1415 event
= sock_dispatch_asyncs( sock
, event
, error
);
1416 sock_dispatch_events( sock
, prevstate
, event
);
1417 complete_async_polls( sock
, event
, error
);
1419 sock_reselect( sock
);
1422 static void sock_dump( struct object
*obj
, int verbose
)
1424 struct sock
*sock
= (struct sock
*)obj
;
1425 assert( obj
->ops
== &sock_ops
);
1426 fprintf( stderr
, "Socket fd=%p, state=%x, mask=%x, pending=%x, reported=%x\n",
1427 sock
->fd
, sock
->state
,
1428 sock
->mask
, sock
->pending_events
, sock
->reported_events
);
1431 static int poll_flags_from_afd( struct sock
*sock
, int flags
)
1435 /* A connection-mode socket which has never been connected does
1436 * not return write or hangup events, but Linux returns
1437 * POLLOUT | POLLHUP. */
1438 if (sock
->state
== SOCK_UNCONNECTED
)
1441 if (flags
& (AFD_POLL_READ
| AFD_POLL_ACCEPT
))
1443 if ((flags
& AFD_POLL_HUP
) && sock
->type
== WS_SOCK_STREAM
)
1445 if (flags
& AFD_POLL_OOB
)
1446 ev
|= is_oobinline( sock
) ? POLLIN
: POLLPRI
;
1447 if (flags
& AFD_POLL_WRITE
)
1453 static int sock_get_poll_events( struct fd
*fd
)
1455 struct sock
*sock
= get_fd_user( fd
);
1456 unsigned int mask
= sock
->mask
& ~sock
->reported_events
;
1457 struct poll_req
*req
;
1460 assert( sock
->obj
.ops
== &sock_ops
);
1462 if (!sock
->type
) /* not initialized yet */
1465 LIST_FOR_EACH_ENTRY( req
, &poll_list
, struct poll_req
, entry
)
1469 for (i
= 0; i
< req
->count
; ++i
)
1471 if (req
->sockets
[i
].sock
!= sock
) continue;
1473 ev
|= poll_flags_from_afd( sock
, req
->sockets
[i
].mask
);
1477 switch (sock
->state
)
1479 case SOCK_UNCONNECTED
:
1480 /* A connection-mode Windows socket which has never been connected does
1481 * not return any events, but Linux returns POLLOUT | POLLHUP. Hence we
1482 * need to return -1 here, to prevent the socket from being polled on at
1486 case SOCK_CONNECTING
:
1489 case SOCK_LISTENING
:
1490 if (!list_empty( &sock
->accept_list
) || (mask
& AFD_POLL_ACCEPT
))
1494 case SOCK_CONNECTED
:
1495 case SOCK_CONNECTIONLESS
:
1496 if (sock
->hangup
&& sock
->wr_shutdown
&& !sock
->wr_shutdown_pending
)
1498 /* Linux returns POLLHUP if a socket is both SHUT_RD and SHUT_WR, or
1499 * if both the socket and its peer are SHUT_WR.
1501 * We don't use SHUT_RD, so we can only encounter this in the latter
1502 * case. In that case there can't be any pending read requests (they
1503 * would have already been completed with a length of zero), the
1504 * above condition ensures that we don't have any pending write
1505 * requests, and nothing that can change about the socket state that
1506 * would complete a pending poll request. */
1510 if (sock
->aborted
|| sock
->reset
)
1513 if (sock
->accept_recv_req
)
1517 else if (async_queued( &sock
->read_q
))
1519 /* Clear POLLIN and POLLPRI if we have an alerted async, even if
1520 * we're polling this socket for READ or OOB. We can't signal the
1521 * poll if the pending async will read all of the data [cf. the
1522 * matching logic in sock_dispatch_asyncs()], but we also don't
1523 * want to spin polling for POLLIN if we're not going to use it. */
1524 if (async_waiting( &sock
->read_q
))
1525 ev
|= POLLIN
| POLLPRI
;
1527 ev
&= ~(POLLIN
| POLLPRI
);
1531 /* Don't ask for POLLIN if we got a hangup. We won't receive more
1532 * data anyway, but we will get POLLIN if SOCK_SHUTDOWN_EOF. */
1535 if (mask
& AFD_POLL_READ
)
1537 if (mask
& AFD_POLL_OOB
)
1541 /* We use POLLIN with 0 bytes recv() as hangup indication for stream sockets. */
1542 if (sock
->state
== SOCK_CONNECTED
&& (mask
& AFD_POLL_HUP
) && !(sock
->reported_events
& AFD_POLL_READ
))
1546 if (async_queued( &sock
->write_q
))
1548 /* As with read asyncs above, clear POLLOUT if we have an alerted
1550 if (async_waiting( &sock
->write_q
))
1555 else if (!sock
->wr_shutdown
&& (mask
& AFD_POLL_WRITE
))
1566 static enum server_fd_type
sock_get_fd_type( struct fd
*fd
)
1568 return FD_TYPE_SOCKET
;
1571 static void sock_cancel_async( struct fd
*fd
, struct async
*async
)
1573 struct poll_req
*req
;
1575 LIST_FOR_EACH_ENTRY( req
, &poll_list
, struct poll_req
, entry
)
1579 if (req
->async
!= async
)
1582 for (i
= 0; i
< req
->count
; i
++)
1584 struct sock
*sock
= req
->sockets
[i
].sock
;
1586 if (sock
->main_poll
== req
)
1587 sock
->main_poll
= NULL
;
1591 async_terminate( async
, STATUS_CANCELLED
);
1594 static void sock_reselect_async( struct fd
*fd
, struct async_queue
*queue
)
1596 struct sock
*sock
= get_fd_user( fd
);
1598 if (sock
->wr_shutdown_pending
&& list_empty( &sock
->write_q
.queue
))
1600 shutdown( get_unix_fd( sock
->fd
), SHUT_WR
);
1601 sock
->wr_shutdown_pending
= 0;
1604 /* Don't reselect the ifchange queue; we always ask for POLLIN.
1605 * Don't reselect an uninitialized socket; we can't call set_fd_events() on
1607 if (queue
!= &sock
->ifchange_q
&& sock
->type
)
1608 sock_reselect( sock
);
1611 static struct fd
*sock_get_fd( struct object
*obj
)
1613 struct sock
*sock
= (struct sock
*)obj
;
1614 return (struct fd
*)grab_object( sock
->fd
);
1617 static int sock_close_handle( struct object
*obj
, struct process
*process
, obj_handle_t handle
)
1619 struct sock
*sock
= (struct sock
*)obj
;
1621 if (sock
->obj
.handle_count
== 1) /* last handle */
1623 struct accept_req
*accept_req
, *accept_next
;
1624 struct poll_req
*poll_req
, *poll_next
;
1626 if (sock
->accept_recv_req
)
1627 async_terminate( sock
->accept_recv_req
->async
, STATUS_CANCELLED
);
1629 LIST_FOR_EACH_ENTRY_SAFE( accept_req
, accept_next
, &sock
->accept_list
, struct accept_req
, entry
)
1630 async_terminate( accept_req
->async
, STATUS_CANCELLED
);
1632 if (sock
->connect_req
)
1633 async_terminate( sock
->connect_req
->async
, STATUS_CANCELLED
);
1635 LIST_FOR_EACH_ENTRY_SAFE( poll_req
, poll_next
, &poll_list
, struct poll_req
, entry
)
1637 struct iosb
*iosb
= poll_req
->iosb
;
1638 BOOL signaled
= FALSE
;
1641 if (iosb
->status
!= STATUS_PENDING
) continue;
1643 for (i
= 0; i
< poll_req
->count
; ++i
)
1645 if (poll_req
->sockets
[i
].sock
== sock
)
1648 poll_req
->sockets
[i
].flags
= AFD_POLL_CLOSE
;
1649 poll_req
->sockets
[i
].status
= 0;
1653 if (signaled
) complete_async_poll( poll_req
, STATUS_SUCCESS
);
1660 static void sock_destroy( struct object
*obj
)
1662 struct sock
*sock
= (struct sock
*)obj
;
1665 assert( obj
->ops
== &sock_ops
);
1667 /* FIXME: special socket shutdown stuff? */
1669 for (i
= 0; i
< 2; ++i
)
1671 if (sock
->bound_addr
[i
] && --sock
->bound_addr
[i
]->reuse_count
<= 0)
1673 rb_remove( &bound_addresses_tree
, &sock
->bound_addr
[i
]->entry
);
1674 free( sock
->bound_addr
[i
] );
1678 if ( sock
->deferred
)
1679 release_object( sock
->deferred
);
1681 async_wake_up( &sock
->ifchange_q
, STATUS_CANCELLED
);
1682 sock_release_ifchange( sock
);
1683 free_async_queue( &sock
->read_q
);
1684 free_async_queue( &sock
->write_q
);
1685 free_async_queue( &sock
->ifchange_q
);
1686 free_async_queue( &sock
->accept_q
);
1687 free_async_queue( &sock
->connect_q
);
1688 free_async_queue( &sock
->poll_q
);
1689 if (sock
->event
) release_object( sock
->event
);
1690 if (sock
->fd
) release_object( sock
->fd
);
1693 static struct sock
*create_socket(void)
1697 if (!(sock
= alloc_object( &sock_ops
))) return NULL
;
1699 sock
->state
= SOCK_UNCONNECTED
;
1701 sock
->pending_events
= 0;
1702 sock
->reported_events
= 0;
1710 sock
->connect_time
= 0;
1711 sock
->deferred
= NULL
;
1712 sock
->ifchange_obj
= NULL
;
1713 sock
->accept_recv_req
= NULL
;
1714 sock
->connect_req
= NULL
;
1715 sock
->main_poll
= NULL
;
1716 memset( &sock
->addr
, 0, sizeof(sock
->addr
) );
1718 sock
->rd_shutdown
= 0;
1719 sock
->wr_shutdown
= 0;
1720 sock
->wr_shutdown_pending
= 0;
1723 sock
->nonblocking
= 0;
1726 sock
->reuseaddr
= 0;
1727 sock
->exclusiveaddruse
= 0;
1732 sock
->icmp_fixup_data_len
= 0;
1733 sock
->bound_addr
[0] = sock
->bound_addr
[1] = NULL
;
1734 init_async_queue( &sock
->read_q
);
1735 init_async_queue( &sock
->write_q
);
1736 init_async_queue( &sock
->ifchange_q
);
1737 init_async_queue( &sock
->accept_q
);
1738 init_async_queue( &sock
->connect_q
);
1739 init_async_queue( &sock
->poll_q
);
1740 memset( sock
->errors
, 0, sizeof(sock
->errors
) );
1741 list_init( &sock
->accept_list
);
1745 static int get_unix_family( int family
)
1749 case WS_AF_INET
: return AF_INET
;
1750 case WS_AF_INET6
: return AF_INET6
;
1752 case WS_AF_IPX
: return AF_IPX
;
1755 case WS_AF_IRDA
: return AF_IRDA
;
1757 case WS_AF_UNSPEC
: return AF_UNSPEC
;
1762 static int get_unix_type( int type
)
1766 case WS_SOCK_DGRAM
: return SOCK_DGRAM
;
1767 case WS_SOCK_RAW
: return SOCK_RAW
;
1768 case WS_SOCK_STREAM
: return SOCK_STREAM
;
1773 static int get_unix_protocol( int protocol
)
1775 if (protocol
>= WS_NSPROTO_IPX
&& protocol
<= WS_NSPROTO_IPX
+ 255)
1780 case WS_IPPROTO_ICMP
: return IPPROTO_ICMP
;
1781 case WS_IPPROTO_IGMP
: return IPPROTO_IGMP
;
1782 case WS_IPPROTO_IP
: return IPPROTO_IP
;
1783 case WS_IPPROTO_IPV4
: return IPPROTO_IPIP
;
1784 case WS_IPPROTO_IPV6
: return IPPROTO_IPV6
;
1785 case WS_IPPROTO_RAW
: return IPPROTO_RAW
;
1786 case WS_IPPROTO_TCP
: return IPPROTO_TCP
;
1787 case WS_IPPROTO_UDP
: return IPPROTO_UDP
;
1792 static void set_dont_fragment( int fd
, int level
, int value
)
1796 if (level
== IPPROTO_IP
)
1799 optname
= IP_DONTFRAG
;
1800 #elif defined(IP_MTU_DISCOVER) && defined(IP_PMTUDISC_DO) && defined(IP_PMTUDISC_DONT)
1801 optname
= IP_MTU_DISCOVER
;
1802 value
= value
? IP_PMTUDISC_DO
: IP_PMTUDISC_DONT
;
1809 #ifdef IPV6_DONTFRAG
1810 optname
= IPV6_DONTFRAG
;
1811 #elif defined(IPV6_MTU_DISCOVER) && defined(IPV6_PMTUDISC_DO) && defined(IPV6_PMTUDISC_DONT)
1812 optname
= IPV6_MTU_DISCOVER
;
1813 value
= value
? IPV6_PMTUDISC_DO
: IPV6_PMTUDISC_DONT
;
1819 setsockopt( fd
, level
, optname
, &value
, sizeof(value
) );
1822 static int init_socket( struct sock
*sock
, int family
, int type
, int protocol
)
1824 unsigned int options
= 0;
1825 int sockfd
, unix_type
, unix_family
, unix_protocol
, value
;
1828 unix_family
= get_unix_family( family
);
1829 unix_type
= get_unix_type( type
);
1830 unix_protocol
= get_unix_protocol( protocol
);
1832 if (unix_protocol
< 0)
1834 if (type
&& unix_type
< 0)
1835 set_win32_error( WSAESOCKTNOSUPPORT
);
1837 set_win32_error( WSAEPROTONOSUPPORT
);
1840 if (unix_family
< 0)
1842 if (family
>= 0 && unix_type
< 0)
1843 set_win32_error( WSAESOCKTNOSUPPORT
);
1845 set_win32_error( WSAEAFNOSUPPORT
);
1849 sockfd
= socket( unix_family
, unix_type
, unix_protocol
);
1852 if (sockfd
== -1 && errno
== EPERM
&& unix_family
== AF_INET
1853 && unix_type
== SOCK_RAW
&& unix_protocol
== IPPROTO_ICMP
)
1855 sockfd
= socket( unix_family
, SOCK_DGRAM
, unix_protocol
);
1860 setsockopt( sockfd
, IPPROTO_IP
, IP_RECVTTL
, (const char *)&val
, sizeof(val
) );
1861 setsockopt( sockfd
, IPPROTO_IP
, IP_RECVTOS
, (const char *)&val
, sizeof(val
) );
1862 setsockopt( sockfd
, IPPROTO_IP
, IP_PKTINFO
, (const char *)&val
, sizeof(val
) );
1869 if (errno
== EINVAL
) set_win32_error( WSAESOCKTNOSUPPORT
);
1870 else set_win32_error( sock_get_error( errno
));
1873 fcntl(sockfd
, F_SETFL
, O_NONBLOCK
); /* make socket nonblocking */
1875 if (family
== WS_AF_IPX
&& protocol
>= WS_NSPROTO_IPX
&& protocol
<= WS_NSPROTO_IPX
+ 255)
1878 int ipx_type
= protocol
- WS_NSPROTO_IPX
;
1881 setsockopt( sockfd
, SOL_IPX
, IPX_TYPE
, &ipx_type
, sizeof(ipx_type
) );
1884 /* Should we retrieve val using a getsockopt call and then
1885 * set the modified one? */
1886 val
.ipx_pt
= ipx_type
;
1887 setsockopt( sockfd
, 0, SO_DEFAULT_HEADERS
, &val
, sizeof(val
) );
1892 if (unix_family
== AF_INET
|| unix_family
== AF_INET6
)
1894 /* ensure IP_DONTFRAGMENT is disabled for SOCK_DGRAM and SOCK_RAW, enabled for SOCK_STREAM */
1895 if (unix_type
== SOCK_DGRAM
|| unix_type
== SOCK_RAW
) /* in Linux the global default can be enabled */
1896 set_dont_fragment( sockfd
, unix_family
== AF_INET6
? IPPROTO_IPV6
: IPPROTO_IP
, FALSE
);
1897 else if (unix_type
== SOCK_STREAM
)
1898 set_dont_fragment( sockfd
, unix_family
== AF_INET6
? IPPROTO_IPV6
: IPPROTO_IP
, TRUE
);
1902 if (unix_family
== AF_INET6
)
1904 static const int enable
= 1;
1905 setsockopt( sockfd
, IPPROTO_IPV6
, IPV6_V6ONLY
, &enable
, sizeof(enable
) );
1909 len
= sizeof(value
);
1910 if (!getsockopt( sockfd
, SOL_SOCKET
, SO_RCVBUF
, &value
, &len
))
1911 sock
->rcvbuf
= value
;
1913 len
= sizeof(value
);
1914 if (!getsockopt( sockfd
, SOL_SOCKET
, SO_SNDBUF
, &value
, &len
))
1915 sock
->sndbuf
= value
;
1917 sock
->state
= (type
== WS_SOCK_STREAM
? SOCK_UNCONNECTED
: SOCK_CONNECTIONLESS
);
1918 sock
->proto
= protocol
;
1920 sock
->family
= family
;
1922 if (is_tcp_socket( sock
))
1926 setsockopt( sockfd
, SOL_SOCKET
, SO_REUSEADDR
, &reuse
, sizeof(reuse
) );
1931 options
= get_fd_options( sock
->fd
);
1932 release_object( sock
->fd
);
1935 if (!(sock
->fd
= create_anonymous_fd( &sock_fd_ops
, sockfd
, &sock
->obj
, options
)))
1940 /* We can't immediately allow caching for a connection-mode socket, since it
1941 * might be accepted into (changing the underlying fd object.) */
1942 if (sock
->type
!= WS_SOCK_STREAM
) allow_fd_caching( sock
->fd
);
1947 /* accepts a socket and inits it */
1948 static int accept_new_fd( struct sock
*sock
)
1951 /* Try to accept(2). We can't be safe that this an already connected socket
1952 * or that accept() is allowed on it. In those cases we will get -1/errno
1955 struct sockaddr saddr
;
1956 socklen_t slen
= sizeof(saddr
);
1957 int acceptfd
= accept( get_unix_fd(sock
->fd
), &saddr
, &slen
);
1959 fcntl( acceptfd
, F_SETFL
, O_NONBLOCK
);
1961 set_error( sock_get_ntstatus( errno
));
1965 /* accept a socket (creates a new fd) */
1966 static struct sock
*accept_socket( struct sock
*sock
)
1968 struct sock
*acceptsock
;
1971 if (get_unix_fd( sock
->fd
) == -1) return NULL
;
1973 if ( sock
->deferred
)
1975 acceptsock
= sock
->deferred
;
1976 sock
->deferred
= NULL
;
1980 union unix_sockaddr unix_addr
;
1983 if ((acceptfd
= accept_new_fd( sock
)) == -1) return NULL
;
1984 if (!(acceptsock
= create_socket()))
1990 /* newly created socket gets the same properties of the listening socket */
1991 acceptsock
->state
= SOCK_CONNECTED
;
1992 acceptsock
->bound
= 1;
1993 acceptsock
->nonblocking
= sock
->nonblocking
;
1994 acceptsock
->mask
= sock
->mask
;
1995 acceptsock
->proto
= sock
->proto
;
1996 acceptsock
->type
= sock
->type
;
1997 acceptsock
->family
= sock
->family
;
1998 acceptsock
->window
= sock
->window
;
1999 acceptsock
->message
= sock
->message
;
2000 acceptsock
->reuseaddr
= sock
->reuseaddr
;
2001 acceptsock
->exclusiveaddruse
= sock
->exclusiveaddruse
;
2002 acceptsock
->sndbuf
= sock
->sndbuf
;
2003 acceptsock
->rcvbuf
= sock
->rcvbuf
;
2004 acceptsock
->sndtimeo
= sock
->sndtimeo
;
2005 acceptsock
->rcvtimeo
= sock
->rcvtimeo
;
2006 acceptsock
->connect_time
= current_time
;
2008 if (sock
->event
) acceptsock
->event
= (struct event
*)grab_object( sock
->event
);
2009 if (!(acceptsock
->fd
= create_anonymous_fd( &sock_fd_ops
, acceptfd
, &acceptsock
->obj
,
2010 get_fd_options( sock
->fd
) )))
2012 release_object( acceptsock
);
2015 unix_len
= sizeof(unix_addr
);
2016 if (!getsockname( acceptfd
, &unix_addr
.addr
, &unix_len
))
2017 acceptsock
->addr_len
= sockaddr_from_unix( &unix_addr
, &acceptsock
->addr
.addr
, sizeof(acceptsock
->addr
) );
2020 sock
->pending_events
&= ~AFD_POLL_ACCEPT
;
2021 sock
->reported_events
&= ~AFD_POLL_ACCEPT
;
2022 sock_reselect( sock
);
2026 static int accept_into_socket( struct sock
*sock
, struct sock
*acceptsock
)
2028 union unix_sockaddr unix_addr
;
2033 if (get_unix_fd( sock
->fd
) == -1) return FALSE
;
2035 if ( sock
->deferred
)
2037 newfd
= dup_fd_object( sock
->deferred
->fd
, 0, 0,
2038 get_fd_options( acceptsock
->fd
) );
2042 set_fd_user( newfd
, &sock_fd_ops
, &acceptsock
->obj
);
2044 release_object( sock
->deferred
);
2045 sock
->deferred
= NULL
;
2049 if ((acceptfd
= accept_new_fd( sock
)) == -1)
2052 if (!(newfd
= create_anonymous_fd( &sock_fd_ops
, acceptfd
, &acceptsock
->obj
,
2053 get_fd_options( acceptsock
->fd
) )))
2057 acceptsock
->state
= SOCK_CONNECTED
;
2058 acceptsock
->bound
= 1;
2059 acceptsock
->pending_events
= 0;
2060 acceptsock
->reported_events
= 0;
2061 acceptsock
->proto
= sock
->proto
;
2062 acceptsock
->type
= sock
->type
;
2063 acceptsock
->family
= sock
->family
;
2064 acceptsock
->wparam
= 0;
2065 acceptsock
->deferred
= NULL
;
2066 acceptsock
->connect_time
= current_time
;
2067 fd_copy_completion( acceptsock
->fd
, newfd
);
2068 release_object( acceptsock
->fd
);
2069 acceptsock
->fd
= newfd
;
2071 unix_len
= sizeof(unix_addr
);
2072 if (!getsockname( get_unix_fd( newfd
), &unix_addr
.addr
, &unix_len
))
2073 acceptsock
->addr_len
= sockaddr_from_unix( &unix_addr
, &acceptsock
->addr
.addr
, sizeof(acceptsock
->addr
) );
2076 sock
->pending_events
&= ~AFD_POLL_ACCEPT
;
2077 sock
->reported_events
&= ~AFD_POLL_ACCEPT
;
2078 sock_reselect( sock
);
2085 static int bind_to_iface_name( int fd
, in_addr_t bind_addr
, const char *name
)
2087 static const int enable
= 1;
2090 if (!(index
= if_nametoindex( name
)))
2093 if (setsockopt( fd
, IPPROTO_IP
, IP_BOUND_IF
, &index
, sizeof(index
) ))
2096 return setsockopt( fd
, SOL_SOCKET
, SO_REUSEADDR
, &enable
, sizeof(enable
) );
2099 #elif defined(IP_UNICAST_IF) && defined(SO_ATTACH_FILTER) && defined(SO_BINDTODEVICE)
2101 struct interface_filter
2103 struct sock_filter iface_memaddr
;
2104 struct sock_filter iface_rule
;
2105 struct sock_filter ip_memaddr
;
2106 struct sock_filter ip_rule
;
2107 struct sock_filter return_keep
;
2108 struct sock_filter return_dump
;
2110 # define FILTER_JUMP_DUMP(here) (u_char)(offsetof(struct interface_filter, return_dump) \
2111 -offsetof(struct interface_filter, here)-sizeof(struct sock_filter)) \
2112 /sizeof(struct sock_filter)
2113 # define FILTER_JUMP_KEEP(here) (u_char)(offsetof(struct interface_filter, return_keep) \
2114 -offsetof(struct interface_filter, here)-sizeof(struct sock_filter)) \
2115 /sizeof(struct sock_filter)
2116 # define FILTER_JUMP_NEXT() (u_char)(0)
2117 # define SKF_NET_DESTIP 16 /* offset in the network header to the destination IP */
2118 static struct interface_filter generic_interface_filter
=
2120 /* This filter rule allows incoming packets on the specified interface, which works for all
2121 * remotely generated packets and for locally generated broadcast packets. */
2122 BPF_STMT(BPF_LD
+BPF_W
+BPF_ABS
, SKF_AD_OFF
+SKF_AD_IFINDEX
),
2123 BPF_JUMP(BPF_JMP
+BPF_JEQ
+BPF_K
, 0xdeadbeef, FILTER_JUMP_KEEP(iface_rule
), FILTER_JUMP_NEXT()),
2124 /* This rule allows locally generated packets targeted at the specific IP address of the chosen
2125 * adapter (local packets not destined for the broadcast address do not have IFINDEX set) */
2126 BPF_STMT(BPF_LD
+BPF_W
+BPF_ABS
, SKF_NET_OFF
+SKF_NET_DESTIP
),
2127 BPF_JUMP(BPF_JMP
+BPF_JEQ
+BPF_K
, 0xdeadbeef, FILTER_JUMP_KEEP(ip_rule
), FILTER_JUMP_DUMP(ip_rule
)),
2128 BPF_STMT(BPF_RET
+BPF_K
, (u_int
)-1), /* keep packet */
2129 BPF_STMT(BPF_RET
+BPF_K
, 0) /* dump packet */
2132 static int bind_to_iface_name( int fd
, in_addr_t bind_addr
, const char *name
)
2134 struct interface_filter specific_interface_filter
;
2135 struct sock_fprog filter_prog
;
2136 static const int enable
= 1;
2140 if (!setsockopt( fd
, SOL_SOCKET
, SO_BINDTODEVICE
, name
, strlen( name
) + 1 ))
2143 /* SO_BINDTODEVICE requires NET_CAP_RAW until Linux 5.7. */
2145 fprintf( stderr
, "setsockopt SO_BINDTODEVICE fd %d, name %s failed: %s, falling back to SO_REUSE_ADDR\n",
2146 fd
, name
, strerror( errno
));
2148 if (!(index
= if_nametoindex( name
)))
2151 ifindex
= htonl( index
);
2152 if (setsockopt( fd
, IPPROTO_IP
, IP_UNICAST_IF
, &ifindex
, sizeof(ifindex
) ) < 0)
2155 specific_interface_filter
= generic_interface_filter
;
2156 specific_interface_filter
.iface_rule
.k
= index
;
2157 specific_interface_filter
.ip_rule
.k
= htonl( bind_addr
);
2158 filter_prog
.len
= sizeof(generic_interface_filter
) / sizeof(struct sock_filter
);
2159 filter_prog
.filter
= (struct sock_filter
*)&specific_interface_filter
;
2160 if (setsockopt( fd
, SOL_SOCKET
, SO_ATTACH_FILTER
, &filter_prog
, sizeof(filter_prog
) ))
2163 return setsockopt( fd
, SOL_SOCKET
, SO_REUSEADDR
, &enable
, sizeof(enable
) );
2168 static int bind_to_iface_name( int fd
, in_addr_t bind_addr
, const char *name
)
2174 #endif /* LINUX_BOUND_IF */
2176 /* Take bind() calls on any name corresponding to a local network adapter and
2177 * restrict the given socket to operating only on the specified interface. This
2178 * restriction consists of two components:
2179 * 1) An outgoing packet restriction suggesting the egress interface for all
2181 * 2) An incoming packet restriction dropping packets not meant for the
2183 * If the function succeeds in placing these restrictions, then the name for the
2184 * bind() may safely be changed to INADDR_ANY, permitting the transmission and
2185 * receipt of broadcast packets on the socket. This behavior is only relevant to
2186 * UDP sockets and is needed for applications that expect to be able to receive
2187 * broadcast packets on a socket that is bound to a specific network interface.
2189 static int bind_to_interface( struct sock
*sock
, const struct sockaddr_in
*addr
)
2191 in_addr_t bind_addr
= addr
->sin_addr
.s_addr
;
2192 struct ifaddrs
*ifaddrs
, *ifaddr
;
2193 int fd
= get_unix_fd( sock
->fd
);
2196 if (bind_addr
== htonl( INADDR_ANY
) || bind_addr
== htonl( INADDR_LOOPBACK
))
2198 if (sock
->type
!= WS_SOCK_DGRAM
)
2201 if (getifaddrs( &ifaddrs
) < 0) return 0;
2203 for (ifaddr
= ifaddrs
; ifaddr
!= NULL
; ifaddr
= ifaddr
->ifa_next
)
2205 if (ifaddr
->ifa_addr
&& ifaddr
->ifa_addr
->sa_family
== AF_INET
2206 && ((struct sockaddr_in
*)ifaddr
->ifa_addr
)->sin_addr
.s_addr
== bind_addr
)
2208 if ((err
= bind_to_iface_name( fd
, bind_addr
, ifaddr
->ifa_name
)) < 0)
2211 fprintf( stderr
, "failed to bind to interface: %s\n", strerror( errno
) );
2216 freeifaddrs( ifaddrs
);
2220 #ifdef HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID
2221 static unsigned int get_ipv6_interface_index( const struct in6_addr
*addr
)
2223 struct ifaddrs
*ifaddrs
, *ifaddr
;
2225 if (getifaddrs( &ifaddrs
) < 0) return 0;
2227 for (ifaddr
= ifaddrs
; ifaddr
!= NULL
; ifaddr
= ifaddr
->ifa_next
)
2229 if (ifaddr
->ifa_addr
&& ifaddr
->ifa_addr
->sa_family
== AF_INET6
2230 && !memcmp( &((struct sockaddr_in6
*)ifaddr
->ifa_addr
)->sin6_addr
, addr
, sizeof(*addr
) ))
2232 unsigned int index
= if_nametoindex( ifaddr
->ifa_name
);
2237 fprintf( stderr
, "Unable to look up interface index for %s: %s\n",
2238 ifaddr
->ifa_name
, strerror( errno
) );
2242 freeifaddrs( ifaddrs
);
2247 freeifaddrs( ifaddrs
);
2252 /* return an errno value mapped to a WSA error */
2253 static unsigned int sock_get_error( int err
)
2257 case EINTR
: return WSAEINTR
;
2258 case EBADF
: return WSAEBADF
;
2260 case EACCES
: return WSAEACCES
;
2261 case EFAULT
: return WSAEFAULT
;
2262 case EINVAL
: return WSAEINVAL
;
2263 case EMFILE
: return WSAEMFILE
;
2265 case EWOULDBLOCK
: return WSAEWOULDBLOCK
;
2266 case EALREADY
: return WSAEALREADY
;
2267 case ENOTSOCK
: return WSAENOTSOCK
;
2268 case EDESTADDRREQ
: return WSAEDESTADDRREQ
;
2269 case EMSGSIZE
: return WSAEMSGSIZE
;
2270 case EPROTOTYPE
: return WSAEPROTOTYPE
;
2271 case ENOPROTOOPT
: return WSAENOPROTOOPT
;
2272 case EPROTONOSUPPORT
: return WSAEPROTONOSUPPORT
;
2273 case ESOCKTNOSUPPORT
: return WSAESOCKTNOSUPPORT
;
2274 case EOPNOTSUPP
: return WSAEOPNOTSUPP
;
2275 case EPFNOSUPPORT
: return WSAEPFNOSUPPORT
;
2276 case EAFNOSUPPORT
: return WSAEAFNOSUPPORT
;
2277 case EADDRINUSE
: return WSAEADDRINUSE
;
2278 case EADDRNOTAVAIL
: return WSAEADDRNOTAVAIL
;
2279 case ENETDOWN
: return WSAENETDOWN
;
2280 case ENETUNREACH
: return WSAENETUNREACH
;
2281 case ENETRESET
: return WSAENETRESET
;
2282 case ECONNABORTED
: return WSAECONNABORTED
;
2284 case ECONNRESET
: return WSAECONNRESET
;
2285 case ENOBUFS
: return WSAENOBUFS
;
2286 case EISCONN
: return WSAEISCONN
;
2287 case ENOTCONN
: return WSAENOTCONN
;
2288 case ESHUTDOWN
: return WSAESHUTDOWN
;
2289 case ETOOMANYREFS
: return WSAETOOMANYREFS
;
2290 case ETIMEDOUT
: return WSAETIMEDOUT
;
2291 case ECONNREFUSED
: return WSAECONNREFUSED
;
2292 case ELOOP
: return WSAELOOP
;
2293 case ENAMETOOLONG
: return WSAENAMETOOLONG
;
2294 case EHOSTDOWN
: return WSAEHOSTDOWN
;
2295 case EHOSTUNREACH
: return WSAEHOSTUNREACH
;
2296 case ENOTEMPTY
: return WSAENOTEMPTY
;
2298 case EPROCLIM
: return WSAEPROCLIM
;
2301 case EUSERS
: return WSAEUSERS
;
2304 case EDQUOT
: return WSAEDQUOT
;
2307 case ESTALE
: return WSAESTALE
;
2310 case EREMOTE
: return WSAEREMOTE
;
2316 perror("wineserver: sock_get_error() can't map error");
2321 static int sock_get_ntstatus( int err
)
2325 case EBADF
: return STATUS_INVALID_HANDLE
;
2326 case EBUSY
: return STATUS_DEVICE_BUSY
;
2328 case EACCES
: return STATUS_ACCESS_DENIED
;
2329 case EFAULT
: return STATUS_ACCESS_VIOLATION
;
2330 case EINVAL
: return STATUS_INVALID_PARAMETER
;
2332 case EMFILE
: return STATUS_TOO_MANY_OPENED_FILES
;
2334 case EWOULDBLOCK
: return STATUS_DEVICE_NOT_READY
;
2335 case EALREADY
: return STATUS_NETWORK_BUSY
;
2336 case ENOTSOCK
: return STATUS_OBJECT_TYPE_MISMATCH
;
2337 case EDESTADDRREQ
: return STATUS_INVALID_PARAMETER
;
2338 case EMSGSIZE
: return STATUS_BUFFER_OVERFLOW
;
2339 case EPROTONOSUPPORT
:
2340 case ESOCKTNOSUPPORT
:
2343 case EPROTOTYPE
: return STATUS_NOT_SUPPORTED
;
2344 case ENOPROTOOPT
: return STATUS_INVALID_PARAMETER
;
2345 case EOPNOTSUPP
: return STATUS_NOT_SUPPORTED
;
2346 case EADDRINUSE
: return STATUS_SHARING_VIOLATION
;
2347 /* Linux returns ENODEV when specifying an invalid sin6_scope_id;
2348 * Windows returns STATUS_INVALID_ADDRESS_COMPONENT */
2350 case EADDRNOTAVAIL
: return STATUS_INVALID_ADDRESS_COMPONENT
;
2351 case ECONNREFUSED
: return STATUS_CONNECTION_REFUSED
;
2352 case ESHUTDOWN
: return STATUS_PIPE_DISCONNECTED
;
2353 case ENOTCONN
: return STATUS_INVALID_CONNECTION
;
2354 case ETIMEDOUT
: return STATUS_IO_TIMEOUT
;
2355 case ENETUNREACH
: return STATUS_NETWORK_UNREACHABLE
;
2356 case EHOSTUNREACH
: return STATUS_HOST_UNREACHABLE
;
2357 case ENETDOWN
: return STATUS_NETWORK_BUSY
;
2359 case ECONNRESET
: return STATUS_CONNECTION_RESET
;
2360 case ECONNABORTED
: return STATUS_CONNECTION_ABORTED
;
2361 case EISCONN
: return STATUS_CONNECTION_ACTIVE
;
2363 case 0: return STATUS_SUCCESS
;
2366 perror("wineserver: sock_get_ntstatus() can't map error");
2367 return STATUS_UNSUCCESSFUL
;
2371 static struct accept_req
*alloc_accept_req( struct sock
*sock
, struct sock
*acceptsock
, struct async
*async
,
2372 const struct afd_accept_into_params
*params
)
2374 struct accept_req
*req
= mem_alloc( sizeof(*req
) );
2378 req
->async
= (struct async
*)grab_object( async
);
2379 req
->iosb
= async_get_iosb( async
);
2380 req
->sock
= (struct sock
*)grab_object( sock
);
2381 req
->acceptsock
= acceptsock
;
2382 if (acceptsock
) grab_object( acceptsock
);
2388 req
->recv_len
= params
->recv_len
;
2389 req
->local_len
= params
->local_len
;
2395 static void sock_ioctl( struct fd
*fd
, ioctl_code_t code
, struct async
*async
)
2397 struct sock
*sock
= get_fd_user( fd
);
2400 assert( sock
->obj
.ops
== &sock_ops
);
2402 if (code
!= IOCTL_AFD_WINE_CREATE
&& code
!= IOCTL_AFD_POLL
&& (unix_fd
= get_unix_fd( fd
)) < 0)
2407 case IOCTL_AFD_WINE_CREATE
:
2409 const struct afd_create_params
*params
= get_req_data();
2411 if (get_req_data_size() != sizeof(*params
))
2413 set_error( STATUS_INVALID_PARAMETER
);
2416 init_socket( sock
, params
->family
, params
->type
, params
->protocol
);
2420 case IOCTL_AFD_WINE_ACCEPT
:
2422 struct sock
*acceptsock
;
2423 obj_handle_t handle
;
2425 if (get_reply_max_size() != sizeof(handle
))
2427 set_error( STATUS_BUFFER_TOO_SMALL
);
2431 if (!(acceptsock
= accept_socket( sock
)))
2433 struct accept_req
*req
;
2435 if (sock
->nonblocking
) return;
2436 if (get_error() != STATUS_DEVICE_NOT_READY
) return;
2438 if (!(req
= alloc_accept_req( sock
, NULL
, async
, NULL
))) return;
2439 list_add_tail( &sock
->accept_list
, &req
->entry
);
2441 async_set_completion_callback( async
, free_accept_req
, req
);
2442 queue_async( &sock
->accept_q
, async
);
2443 sock_reselect( sock
);
2444 set_error( STATUS_PENDING
);
2447 handle
= alloc_handle( current
->process
, &acceptsock
->obj
,
2448 GENERIC_READ
| GENERIC_WRITE
| SYNCHRONIZE
, OBJ_INHERIT
);
2449 acceptsock
->wparam
= handle
;
2450 sock_reselect( acceptsock
);
2451 release_object( acceptsock
);
2452 set_reply_data( &handle
, sizeof(handle
) );
2456 case IOCTL_AFD_WINE_ACCEPT_INTO
:
2458 static const int access
= FILE_READ_ATTRIBUTES
| FILE_WRITE_ATTRIBUTES
| FILE_READ_DATA
;
2459 const struct afd_accept_into_params
*params
= get_req_data();
2460 struct sock
*acceptsock
;
2461 unsigned int remote_len
;
2462 struct accept_req
*req
;
2464 if (get_req_data_size() != sizeof(*params
) ||
2465 get_reply_max_size() < params
->recv_len
||
2466 get_reply_max_size() - params
->recv_len
< params
->local_len
)
2468 set_error( STATUS_BUFFER_TOO_SMALL
);
2472 remote_len
= get_reply_max_size() - params
->recv_len
- params
->local_len
;
2473 if (remote_len
< sizeof(int))
2475 set_error( STATUS_INVALID_PARAMETER
);
2479 if (!(acceptsock
= (struct sock
*)get_handle_obj( current
->process
, params
->accept_handle
, access
, &sock_ops
)))
2482 if (acceptsock
->accept_recv_req
)
2484 release_object( acceptsock
);
2485 set_error( STATUS_INVALID_PARAMETER
);
2489 if (!(req
= alloc_accept_req( sock
, acceptsock
, async
, params
)))
2491 release_object( acceptsock
);
2494 list_add_tail( &sock
->accept_list
, &req
->entry
);
2495 acceptsock
->accept_recv_req
= req
;
2496 release_object( acceptsock
);
2498 acceptsock
->wparam
= params
->accept_handle
;
2499 async_set_completion_callback( async
, free_accept_req
, req
);
2500 queue_async( &sock
->accept_q
, async
);
2501 sock_reselect( sock
);
2502 set_error( STATUS_PENDING
);
2506 case IOCTL_AFD_LISTEN
:
2508 const struct afd_listen_params
*params
= get_req_data();
2510 if (get_req_data_size() < sizeof(*params
))
2512 set_error( STATUS_INVALID_PARAMETER
);
2518 set_error( STATUS_INVALID_PARAMETER
);
2522 if (listen( unix_fd
, params
->backlog
) < 0)
2524 set_error( sock_get_ntstatus( errno
) );
2528 sock
->state
= SOCK_LISTENING
;
2530 /* a listening socket can no longer be accepted into */
2531 allow_fd_caching( sock
->fd
);
2533 /* we may already be selecting for AFD_POLL_ACCEPT */
2534 sock_reselect( sock
);
2538 case IOCTL_AFD_WINE_CONNECT
:
2540 const struct afd_connect_params
*params
= get_req_data();
2541 const struct WS_sockaddr
*addr
;
2542 union unix_sockaddr unix_addr
;
2543 struct connect_req
*req
;
2547 if (get_req_data_size() < sizeof(*params
) ||
2548 get_req_data_size() - sizeof(*params
) < params
->addr_len
)
2550 set_error( STATUS_BUFFER_TOO_SMALL
);
2553 send_len
= get_req_data_size() - sizeof(*params
) - params
->addr_len
;
2554 addr
= (const struct WS_sockaddr
*)(params
+ 1);
2556 if (!params
->synchronous
&& !sock
->bound
)
2558 set_error( STATUS_INVALID_PARAMETER
);
2562 if (sock
->accept_recv_req
)
2564 set_error( STATUS_INVALID_PARAMETER
);
2568 if (sock
->connect_req
)
2570 set_error( STATUS_INVALID_PARAMETER
);
2574 switch (sock
->state
)
2576 case SOCK_LISTENING
:
2577 set_error( STATUS_INVALID_PARAMETER
);
2580 case SOCK_CONNECTING
:
2581 /* FIXME: STATUS_ADDRESS_ALREADY_ASSOCIATED probably isn't right,
2582 * but there's no status code that maps to WSAEALREADY... */
2583 set_error( params
->synchronous
? STATUS_ADDRESS_ALREADY_ASSOCIATED
: STATUS_INVALID_PARAMETER
);
2586 case SOCK_CONNECTED
:
2587 set_error( STATUS_CONNECTION_ACTIVE
);
2590 case SOCK_UNCONNECTED
:
2591 case SOCK_CONNECTIONLESS
:
2595 unix_len
= sockaddr_to_unix( addr
, params
->addr_len
, &unix_addr
);
2598 set_error( STATUS_INVALID_ADDRESS
);
2601 if (unix_addr
.addr
.sa_family
== AF_INET
&& !memcmp( &unix_addr
.in
.sin_addr
, magic_loopback_addr
, 4 ))
2602 unix_addr
.in
.sin_addr
.s_addr
= htonl( INADDR_LOOPBACK
);
2604 ret
= connect( unix_fd
, &unix_addr
.addr
, unix_len
);
2605 if (ret
< 0 && errno
!= EINPROGRESS
)
2607 set_error( sock_get_ntstatus( errno
) );
2611 /* a connected or connecting socket can no longer be accepted into */
2612 allow_fd_caching( sock
->fd
);
2614 unix_len
= sizeof(unix_addr
);
2615 if (!getsockname( unix_fd
, &unix_addr
.addr
, &unix_len
))
2616 sock
->addr_len
= sockaddr_from_unix( &unix_addr
, &sock
->addr
.addr
, sizeof(sock
->addr
) );
2621 if (sock
->type
!= WS_SOCK_DGRAM
)
2623 sock
->state
= SOCK_CONNECTED
;
2624 sock
->connect_time
= current_time
;
2627 if (!send_len
) return;
2630 if (sock
->type
!= WS_SOCK_DGRAM
)
2631 sock
->state
= SOCK_CONNECTING
;
2633 if (params
->synchronous
&& sock
->nonblocking
)
2635 sock_reselect( sock
);
2636 set_error( STATUS_DEVICE_NOT_READY
);
2640 if (!(req
= mem_alloc( sizeof(*req
) )))
2643 req
->async
= (struct async
*)grab_object( async
);
2644 req
->iosb
= async_get_iosb( async
);
2645 req
->sock
= (struct sock
*)grab_object( sock
);
2646 req
->addr_len
= params
->addr_len
;
2647 req
->send_len
= send_len
;
2648 req
->send_cursor
= 0;
2650 async_set_completion_callback( async
, free_connect_req
, req
);
2651 sock
->connect_req
= req
;
2652 queue_async( &sock
->connect_q
, async
);
2653 sock_reselect( sock
);
2654 set_error( STATUS_PENDING
);
2658 case IOCTL_AFD_WINE_SHUTDOWN
:
2662 if (get_req_data_size() < sizeof(int))
2664 set_error( STATUS_BUFFER_TOO_SMALL
);
2667 how
= *(int *)get_req_data();
2671 set_error( STATUS_INVALID_PARAMETER
);
2675 if (sock
->state
!= SOCK_CONNECTED
&& sock
->state
!= SOCK_CONNECTIONLESS
)
2677 set_error( STATUS_INVALID_CONNECTION
);
2683 sock
->rd_shutdown
= 1;
2685 if (how
!= SD_RECEIVE
)
2687 sock
->wr_shutdown
= 1;
2688 if (list_empty( &sock
->write_q
.queue
))
2689 shutdown( unix_fd
, SHUT_WR
);
2691 sock
->wr_shutdown_pending
= 1;
2696 if (sock
->event
) release_object( sock
->event
);
2700 sock
->nonblocking
= 1;
2703 sock_reselect( sock
);
2707 case IOCTL_AFD_WINE_ADDRESS_LIST_CHANGE
:
2711 if (get_req_data_size() < sizeof(int))
2713 set_error( STATUS_BUFFER_TOO_SMALL
);
2716 force_async
= *(int *)get_req_data();
2718 if (sock
->nonblocking
&& !force_async
)
2720 set_error( STATUS_DEVICE_NOT_READY
);
2723 if (!sock_get_ifchange( sock
)) return;
2724 queue_async( &sock
->ifchange_q
, async
);
2725 set_error( STATUS_PENDING
);
2729 case IOCTL_AFD_WINE_FIONBIO
:
2730 if (get_req_data_size() < sizeof(int))
2732 set_error( STATUS_BUFFER_TOO_SMALL
);
2735 if (*(int *)get_req_data())
2737 sock
->nonblocking
= 1;
2743 set_error( STATUS_INVALID_PARAMETER
);
2746 sock
->nonblocking
= 0;
2750 case IOCTL_AFD_GET_EVENTS
:
2752 struct afd_get_events_params params
= {0};
2755 if (get_reply_max_size() < sizeof(params
))
2757 set_error( STATUS_INVALID_PARAMETER
);
2761 params
.flags
= sock
->pending_events
& sock
->mask
;
2762 for (i
= 0; i
< ARRAY_SIZE( params
.status
); ++i
)
2763 params
.status
[i
] = sock_get_ntstatus( sock
->errors
[i
] );
2765 sock
->pending_events
&= ~sock
->mask
;
2766 sock_reselect( sock
);
2768 set_reply_data( ¶ms
, sizeof(params
) );
2772 case IOCTL_AFD_EVENT_SELECT
:
2774 struct event
*event
= NULL
;
2775 obj_handle_t event_handle
;
2778 set_async_pending( async
);
2780 if (is_machine_64bit( current
->process
->machine
))
2782 const struct afd_event_select_params_64
*params
= get_req_data();
2784 if (get_req_data_size() < sizeof(*params
))
2786 set_error( STATUS_INVALID_PARAMETER
);
2790 event_handle
= params
->event
;
2791 mask
= params
->mask
;
2795 const struct afd_event_select_params_32
*params
= get_req_data();
2797 if (get_req_data_size() < sizeof(*params
))
2799 set_error( STATUS_INVALID_PARAMETER
);
2803 event_handle
= params
->event
;
2804 mask
= params
->mask
;
2807 if ((event_handle
|| mask
) &&
2808 !(event
= get_event_obj( current
->process
, event_handle
, EVENT_MODIFY_STATE
)))
2810 set_error( STATUS_INVALID_PARAMETER
);
2814 if (sock
->event
) release_object( sock
->event
);
2815 sock
->event
= event
;
2820 sock
->nonblocking
= 1;
2822 sock_reselect( sock
);
2823 /* Explicitly wake the socket up if the mask causes it to become
2824 * signaled. Note that reselecting isn't enough, since we might already
2825 * have had events recorded in sock->reported_events and we don't want
2826 * to select for them again. */
2827 sock_wake_up( sock
);
2832 case IOCTL_AFD_WINE_MESSAGE_SELECT
:
2834 const struct afd_message_select_params
*params
= get_req_data();
2836 if (get_req_data_size() < sizeof(params
))
2838 set_error( STATUS_BUFFER_TOO_SMALL
);
2842 if (sock
->event
) release_object( sock
->event
);
2846 sock
->pending_events
= 0;
2847 sock
->reported_events
= 0;
2850 sock
->mask
= params
->mask
;
2851 sock
->window
= params
->window
;
2852 sock
->message
= params
->message
;
2853 sock
->wparam
= params
->handle
;
2854 sock
->nonblocking
= 1;
2856 sock_reselect( sock
);
2861 case IOCTL_AFD_BIND
:
2863 const struct afd_bind_params
*params
= get_req_data();
2864 union unix_sockaddr unix_addr
, bind_addr
;
2865 data_size_t in_size
;
2869 /* the ioctl is METHOD_NEITHER, so ntdll gives us the output buffer as
2871 if (get_req_data_size() < get_reply_max_size())
2873 set_error( STATUS_BUFFER_TOO_SMALL
);
2876 in_size
= get_req_data_size() - get_reply_max_size();
2877 if (in_size
< offsetof(struct afd_bind_params
, addr
.sa_data
)
2878 || get_reply_max_size() < in_size
- sizeof(int))
2880 set_error( STATUS_INVALID_PARAMETER
);
2886 set_error( STATUS_ADDRESS_ALREADY_ASSOCIATED
);
2890 unix_len
= sockaddr_to_unix( ¶ms
->addr
, in_size
- sizeof(int), &unix_addr
);
2893 set_error( STATUS_INVALID_ADDRESS
);
2896 bind_addr
= unix_addr
;
2898 if (unix_addr
.addr
.sa_family
== AF_INET
)
2900 if (!memcmp( &unix_addr
.in
.sin_addr
, magic_loopback_addr
, 4 )
2901 || bind_to_interface( sock
, &unix_addr
.in
))
2902 bind_addr
.in
.sin_addr
.s_addr
= htonl( INADDR_ANY
);
2904 else if (unix_addr
.addr
.sa_family
== AF_INET6
)
2906 #ifdef HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID
2907 /* Windows allows specifying zero to use the default scope. Linux
2908 * interprets it as an interface index and requires that it be
2910 if (!unix_addr
.in6
.sin6_scope_id
)
2911 bind_addr
.in6
.sin6_scope_id
= get_ipv6_interface_index( &unix_addr
.in6
.sin6_addr
);
2915 set_async_pending( async
);
2918 if (sock
->family
== WS_AF_INET6
)
2920 socklen_t len
= sizeof(v6only
);
2922 getsockopt( get_unix_fd(sock
->fd
), IPPROTO_IPV6
, IPV6_V6ONLY
, &v6only
, &len
);
2926 if (check_addr_usage( sock
, &bind_addr
, v6only
))
2929 if (bind( unix_fd
, &bind_addr
.addr
, unix_len
) < 0)
2931 if (errno
== EADDRINUSE
&& sock
->reuseaddr
)
2934 set_error( sock_get_ntstatus( errno
) );
2940 unix_len
= sizeof(bind_addr
);
2941 if (!getsockname( unix_fd
, &bind_addr
.addr
, &unix_len
))
2943 /* store the interface or magic loopback address instead of the
2944 * actual unix address */
2945 if (bind_addr
.addr
.sa_family
== AF_INET
)
2946 bind_addr
.in
.sin_addr
= unix_addr
.in
.sin_addr
;
2947 sock
->addr_len
= sockaddr_from_unix( &bind_addr
, &sock
->addr
.addr
, sizeof(sock
->addr
) );
2950 update_addr_usage( sock
, &bind_addr
, v6only
);
2952 if (get_reply_max_size() >= sock
->addr_len
)
2953 set_reply_data( &sock
->addr
, sock
->addr_len
);
2957 case IOCTL_AFD_GETSOCKNAME
:
2960 set_error( STATUS_INVALID_PARAMETER
);
2964 if (get_reply_max_size() < sock
->addr_len
)
2966 set_error( STATUS_BUFFER_TOO_SMALL
);
2970 set_reply_data( &sock
->addr
, sock
->addr_len
);
2973 case IOCTL_AFD_WINE_DEFER
:
2975 const obj_handle_t
*handle
= get_req_data();
2976 struct sock
*acceptsock
;
2978 if (get_req_data_size() < sizeof(*handle
))
2980 set_error( STATUS_BUFFER_TOO_SMALL
);
2984 acceptsock
= (struct sock
*)get_handle_obj( current
->process
, *handle
, 0, &sock_ops
);
2985 if (!acceptsock
) return;
2987 sock
->deferred
= acceptsock
;
2991 case IOCTL_AFD_WINE_GET_INFO
:
2993 struct afd_get_info_params params
;
2995 if (get_reply_max_size() < sizeof(params
))
2997 set_error( STATUS_BUFFER_TOO_SMALL
);
3001 params
.family
= sock
->family
;
3002 params
.type
= sock
->type
;
3003 params
.protocol
= sock
->proto
;
3004 set_reply_data( ¶ms
, sizeof(params
) );
3008 case IOCTL_AFD_WINE_GET_SO_ACCEPTCONN
:
3010 int listening
= (sock
->state
== SOCK_LISTENING
);
3012 if (get_reply_max_size() < sizeof(listening
))
3014 set_error( STATUS_BUFFER_TOO_SMALL
);
3018 set_reply_data( &listening
, sizeof(listening
) );
3022 case IOCTL_AFD_WINE_GET_SO_ERROR
:
3027 if (get_reply_max_size() < sizeof(error
))
3029 set_error( STATUS_BUFFER_TOO_SMALL
);
3033 error
= sock_error( sock
);
3036 for (i
= 0; i
< ARRAY_SIZE( sock
->errors
); ++i
)
3038 if (sock
->errors
[i
])
3040 error
= sock
->errors
[i
];
3046 error
= sock_get_error( error
);
3047 set_reply_data( &error
, sizeof(error
) );
3051 case IOCTL_AFD_WINE_GET_SO_RCVBUF
:
3053 int rcvbuf
= sock
->rcvbuf
;
3055 if (get_reply_max_size() < sizeof(rcvbuf
))
3057 set_error( STATUS_BUFFER_TOO_SMALL
);
3061 set_reply_data( &rcvbuf
, sizeof(rcvbuf
) );
3065 case IOCTL_AFD_WINE_SET_SO_RCVBUF
:
3069 if (get_req_data_size() < sizeof(rcvbuf
))
3071 set_error( STATUS_BUFFER_TOO_SMALL
);
3074 rcvbuf
= *(DWORD
*)get_req_data();
3076 if (!setsockopt( unix_fd
, SOL_SOCKET
, SO_RCVBUF
, (char *)&rcvbuf
, sizeof(rcvbuf
) ))
3077 sock
->rcvbuf
= rcvbuf
;
3079 set_error( sock_get_ntstatus( errno
) );
3083 case IOCTL_AFD_WINE_GET_SO_RCVTIMEO
:
3085 DWORD rcvtimeo
= sock
->rcvtimeo
;
3087 if (get_reply_max_size() < sizeof(rcvtimeo
))
3089 set_error( STATUS_BUFFER_TOO_SMALL
);
3093 set_reply_data( &rcvtimeo
, sizeof(rcvtimeo
) );
3097 case IOCTL_AFD_WINE_SET_SO_RCVTIMEO
:
3101 if (get_req_data_size() < sizeof(rcvtimeo
))
3103 set_error( STATUS_BUFFER_TOO_SMALL
);
3106 rcvtimeo
= *(DWORD
*)get_req_data();
3108 sock
->rcvtimeo
= rcvtimeo
;
3112 /* BSD socket SO_REUSEADDR is not compatible with winsock semantics. */
3113 case IOCTL_AFD_WINE_SET_SO_REUSEADDR
:
3117 if (get_req_data_size() < sizeof(reuse
))
3119 set_error( STATUS_BUFFER_TOO_SMALL
);
3123 reuse
= *(int *)get_req_data();
3125 if (reuse
&& sock
->exclusiveaddruse
)
3127 set_error( STATUS_INVALID_PARAMETER
);
3131 if (is_tcp_socket( sock
))
3134 ret
= setsockopt( unix_fd
, SOL_SOCKET
, SO_REUSEADDR
, &reuse
, sizeof(reuse
) );
3136 if (!ret
) ret
= setsockopt( unix_fd
, SOL_SOCKET
, SO_REUSEPORT
, &reuse
, sizeof(reuse
) );
3139 set_error( sock_get_ntstatus( errno
) );
3141 sock
->reuseaddr
= !!reuse
;
3145 case IOCTL_AFD_WINE_SET_SO_EXCLUSIVEADDRUSE
:
3149 if (get_req_data_size() < sizeof(exclusive
))
3151 set_error( STATUS_BUFFER_TOO_SMALL
);
3155 exclusive
= *(int *)get_req_data();
3156 if (exclusive
&& sock
->reuseaddr
)
3158 set_error( STATUS_INVALID_PARAMETER
);
3161 sock
->exclusiveaddruse
= !!exclusive
;
3165 case IOCTL_AFD_WINE_GET_SO_SNDBUF
:
3167 int sndbuf
= sock
->sndbuf
;
3169 if (get_reply_max_size() < sizeof(sndbuf
))
3171 set_error( STATUS_BUFFER_TOO_SMALL
);
3175 set_reply_data( &sndbuf
, sizeof(sndbuf
) );
3179 case IOCTL_AFD_WINE_SET_SO_SNDBUF
:
3183 if (get_req_data_size() < sizeof(sndbuf
))
3185 set_error( STATUS_BUFFER_TOO_SMALL
);
3188 sndbuf
= *(DWORD
*)get_req_data();
3193 /* setsockopt fails if a zero value is passed */
3194 sock
->sndbuf
= sndbuf
;
3199 if (!setsockopt( unix_fd
, SOL_SOCKET
, SO_SNDBUF
, (char *)&sndbuf
, sizeof(sndbuf
) ))
3200 sock
->sndbuf
= sndbuf
;
3202 set_error( sock_get_ntstatus( errno
) );
3206 case IOCTL_AFD_WINE_GET_SO_SNDTIMEO
:
3208 DWORD sndtimeo
= sock
->sndtimeo
;
3210 if (get_reply_max_size() < sizeof(sndtimeo
))
3212 set_error( STATUS_BUFFER_TOO_SMALL
);
3216 set_reply_data( &sndtimeo
, sizeof(sndtimeo
) );
3220 case IOCTL_AFD_WINE_SET_SO_SNDTIMEO
:
3224 if (get_req_data_size() < sizeof(sndtimeo
))
3226 set_error( STATUS_BUFFER_TOO_SMALL
);
3229 sndtimeo
= *(DWORD
*)get_req_data();
3231 sock
->sndtimeo
= sndtimeo
;
3235 case IOCTL_AFD_WINE_GET_SO_CONNECT_TIME
:
3239 if (get_reply_max_size() < sizeof(time
))
3241 set_error( STATUS_BUFFER_TOO_SMALL
);
3245 if (sock
->state
== SOCK_CONNECTED
)
3246 time
= (current_time
- sock
->connect_time
) / 10000000;
3248 set_reply_data( &time
, sizeof(time
) );
3252 case IOCTL_AFD_WINE_GET_SO_REUSEADDR
:
3256 if (!get_reply_max_size())
3258 set_error( STATUS_BUFFER_TOO_SMALL
);
3262 reuse
= sock
->reuseaddr
;
3263 set_reply_data( &reuse
, min( sizeof(reuse
), get_reply_max_size() ));
3267 case IOCTL_AFD_WINE_GET_SO_EXCLUSIVEADDRUSE
:
3271 if (!get_reply_max_size())
3273 set_error( STATUS_BUFFER_TOO_SMALL
);
3277 exclusive
= sock
->exclusiveaddruse
;
3278 set_reply_data( &exclusive
, min( sizeof(exclusive
), get_reply_max_size() ));
3282 case IOCTL_AFD_POLL
:
3284 if (get_reply_max_size() < get_req_data_size())
3286 set_error( STATUS_INVALID_PARAMETER
);
3290 if (is_machine_64bit( current
->process
->machine
))
3292 const struct afd_poll_params_64
*params
= get_req_data();
3294 if (get_req_data_size() < sizeof(struct afd_poll_params_64
) ||
3295 get_req_data_size() < offsetof( struct afd_poll_params_64
, sockets
[params
->count
] ))
3297 set_error( STATUS_INVALID_PARAMETER
);
3301 poll_socket( sock
, async
, params
->exclusive
, params
->timeout
, params
->count
, params
->sockets
);
3305 const struct afd_poll_params_32
*params
= get_req_data();
3306 struct afd_poll_socket_64
*sockets
;
3309 if (get_req_data_size() < sizeof(struct afd_poll_params_32
) ||
3310 get_req_data_size() < offsetof( struct afd_poll_params_32
, sockets
[params
->count
] ))
3312 set_error( STATUS_INVALID_PARAMETER
);
3316 if (!(sockets
= mem_alloc( params
->count
* sizeof(*sockets
) ))) return;
3317 for (i
= 0; i
< params
->count
; ++i
)
3319 sockets
[i
].socket
= params
->sockets
[i
].socket
;
3320 sockets
[i
].flags
= params
->sockets
[i
].flags
;
3321 sockets
[i
].status
= params
->sockets
[i
].status
;
3324 poll_socket( sock
, async
, params
->exclusive
, params
->timeout
, params
->count
, sockets
);
3332 set_error( STATUS_NOT_SUPPORTED
);
3337 static void handle_exclusive_poll(struct poll_req
*req
)
3341 for (i
= 0; i
< req
->count
; ++i
)
3343 struct sock
*sock
= req
->sockets
[i
].sock
;
3344 struct poll_req
*main_poll
= sock
->main_poll
;
3346 if (main_poll
&& main_poll
->exclusive
&& req
->exclusive
)
3348 complete_async_poll( main_poll
, STATUS_SUCCESS
);
3353 sock
->main_poll
= req
;
3357 static void poll_socket( struct sock
*poll_sock
, struct async
*async
, int exclusive
, timeout_t timeout
,
3358 unsigned int count
, const struct afd_poll_socket_64
*sockets
)
3360 BOOL signaled
= FALSE
;
3361 struct poll_req
*req
;
3366 set_error( STATUS_INVALID_PARAMETER
);
3370 if (!(req
= mem_alloc( offsetof( struct poll_req
, sockets
[count
] ) )))
3373 req
->timeout
= NULL
;
3375 if (timeout
&& timeout
!= TIMEOUT_INFINITE
&&
3376 !(req
->timeout
= add_timeout_user( timeout
, async_poll_timeout
, req
)))
3381 req
->orig_timeout
= timeout
;
3383 for (i
= 0; i
< count
; ++i
)
3385 req
->sockets
[i
].sock
= (struct sock
*)get_handle_obj( current
->process
, sockets
[i
].socket
, 0, &sock_ops
);
3386 if (!req
->sockets
[i
].sock
)
3388 for (j
= 0; j
< i
; ++j
) release_object( req
->sockets
[j
].sock
);
3389 if (req
->timeout
) remove_timeout_user( req
->timeout
);
3393 req
->sockets
[i
].handle
= sockets
[i
].socket
;
3394 req
->sockets
[i
].mask
= sockets
[i
].flags
;
3395 req
->sockets
[i
].flags
= 0;
3398 req
->exclusive
= exclusive
;
3400 req
->async
= (struct async
*)grab_object( async
);
3401 req
->iosb
= async_get_iosb( async
);
3403 handle_exclusive_poll(req
);
3405 list_add_tail( &poll_list
, &req
->entry
);
3406 async_set_completion_callback( async
, free_poll_req
, req
);
3407 queue_async( &poll_sock
->poll_q
, async
);
3409 for (i
= 0; i
< count
; ++i
)
3411 struct sock
*sock
= req
->sockets
[i
].sock
;
3412 int mask
= req
->sockets
[i
].mask
;
3413 struct pollfd pollfd
;
3415 pollfd
.fd
= get_unix_fd( sock
->fd
);
3416 pollfd
.events
= poll_flags_from_afd( sock
, mask
);
3417 if (pollfd
.events
>= 0 && poll( &pollfd
, 1, 0 ) >= 0)
3418 sock_poll_event( sock
->fd
, pollfd
.revents
);
3420 /* FIXME: do other error conditions deserve a similar treatment? */
3421 if (sock
->state
!= SOCK_CONNECTING
&& sock
->errors
[AFD_POLL_BIT_CONNECT_ERR
] && (mask
& AFD_POLL_CONNECT_ERR
))
3423 req
->sockets
[i
].flags
|= AFD_POLL_CONNECT_ERR
;
3424 req
->sockets
[i
].status
= sock_get_ntstatus( sock
->errors
[AFD_POLL_BIT_CONNECT_ERR
] );
3427 if (req
->sockets
[i
].flags
)
3431 if (!timeout
|| signaled
)
3432 complete_async_poll( req
, STATUS_SUCCESS
);
3436 for (i
= 0; i
< req
->count
; ++i
)
3437 sock_reselect( req
->sockets
[i
].sock
);
3438 set_error( STATUS_PENDING
);
3441 #ifdef HAVE_LINUX_RTNETLINK_H
3443 /* only keep one ifchange object around, all sockets waiting for wakeups will look to it */
3444 static struct object
*ifchange_object
;
3446 static void ifchange_dump( struct object
*obj
, int verbose
);
3447 static struct fd
*ifchange_get_fd( struct object
*obj
);
3448 static void ifchange_destroy( struct object
*obj
);
3450 static int ifchange_get_poll_events( struct fd
*fd
);
3451 static void ifchange_poll_event( struct fd
*fd
, int event
);
3455 struct object obj
; /* object header */
3456 struct fd
*fd
; /* interface change file descriptor */
3457 struct list sockets
; /* list of sockets to send interface change notifications */
3460 static const struct object_ops ifchange_ops
=
3462 sizeof(struct ifchange
), /* size */
3463 &no_type
, /* type */
3464 ifchange_dump
, /* dump */
3465 no_add_queue
, /* add_queue */
3466 NULL
, /* remove_queue */
3467 NULL
, /* signaled */
3468 no_satisfied
, /* satisfied */
3469 no_signal
, /* signal */
3470 ifchange_get_fd
, /* get_fd */
3471 default_map_access
, /* map_access */
3472 default_get_sd
, /* get_sd */
3473 default_set_sd
, /* set_sd */
3474 no_get_full_name
, /* get_full_name */
3475 no_lookup_name
, /* lookup_name */
3476 no_link_name
, /* link_name */
3477 NULL
, /* unlink_name */
3478 no_open_file
, /* open_file */
3479 no_kernel_obj_list
, /* get_kernel_obj_list */
3480 no_close_handle
, /* close_handle */
3481 ifchange_destroy
/* destroy */
3484 static const struct fd_ops ifchange_fd_ops
=
3486 ifchange_get_poll_events
, /* get_poll_events */
3487 ifchange_poll_event
, /* poll_event */
3488 NULL
, /* get_fd_type */
3489 no_fd_read
, /* read */
3490 no_fd_write
, /* write */
3491 no_fd_flush
, /* flush */
3492 no_fd_get_file_info
, /* get_file_info */
3493 no_fd_get_volume_info
, /* get_volume_info */
3494 no_fd_ioctl
, /* ioctl */
3495 NULL
, /* cancel_async */
3496 NULL
, /* queue_async */
3497 NULL
/* reselect_async */
3500 static void ifchange_dump( struct object
*obj
, int verbose
)
3502 assert( obj
->ops
== &ifchange_ops
);
3503 fprintf( stderr
, "Interface change\n" );
3506 static struct fd
*ifchange_get_fd( struct object
*obj
)
3508 struct ifchange
*ifchange
= (struct ifchange
*)obj
;
3509 return (struct fd
*)grab_object( ifchange
->fd
);
3512 static void ifchange_destroy( struct object
*obj
)
3514 struct ifchange
*ifchange
= (struct ifchange
*)obj
;
3515 assert( obj
->ops
== &ifchange_ops
);
3517 release_object( ifchange
->fd
);
3519 /* reset the global ifchange object so that it will be recreated if it is needed again */
3520 assert( obj
== ifchange_object
);
3521 ifchange_object
= NULL
;
3524 static int ifchange_get_poll_events( struct fd
*fd
)
3529 /* wake up all the sockets waiting for a change notification event */
3530 static void ifchange_wake_up( struct object
*obj
, unsigned int status
)
3532 struct ifchange
*ifchange
= (struct ifchange
*)obj
;
3533 struct list
*ptr
, *next
;
3534 assert( obj
->ops
== &ifchange_ops
);
3535 assert( obj
== ifchange_object
);
3537 LIST_FOR_EACH_SAFE( ptr
, next
, &ifchange
->sockets
)
3539 struct sock
*sock
= LIST_ENTRY( ptr
, struct sock
, ifchange_entry
);
3541 assert( sock
->ifchange_obj
);
3542 async_wake_up( &sock
->ifchange_q
, status
); /* issue ifchange notification for the socket */
3543 sock_release_ifchange( sock
); /* remove socket from list and decrement ifchange refcount */
3547 static void ifchange_poll_event( struct fd
*fd
, int event
)
3549 struct object
*ifchange
= get_fd_user( fd
);
3550 unsigned int status
= STATUS_PENDING
;
3551 char buffer
[PIPE_BUF
];
3554 r
= recv( get_unix_fd(fd
), buffer
, sizeof(buffer
), MSG_DONTWAIT
);
3557 if (errno
== EWOULDBLOCK
|| (EWOULDBLOCK
!= EAGAIN
&& errno
== EAGAIN
))
3558 return; /* retry when poll() says the socket is ready */
3559 status
= sock_get_ntstatus( errno
);
3563 struct nlmsghdr
*nlh
;
3565 for (nlh
= (struct nlmsghdr
*)buffer
; NLMSG_OK(nlh
, r
); nlh
= NLMSG_NEXT(nlh
, r
))
3567 if (nlh
->nlmsg_type
== NLMSG_DONE
)
3569 if (nlh
->nlmsg_type
== RTM_NEWADDR
|| nlh
->nlmsg_type
== RTM_DELADDR
)
3570 status
= STATUS_SUCCESS
;
3573 else status
= STATUS_CANCELLED
;
3575 if (status
!= STATUS_PENDING
) ifchange_wake_up( ifchange
, status
);
3580 /* we only need one of these interface notification objects, all of the sockets dependent upon
3581 * it will wake up when a notification event occurs */
3582 static struct object
*get_ifchange( void )
3584 #ifdef HAVE_LINUX_RTNETLINK_H
3585 struct ifchange
*ifchange
;
3586 struct sockaddr_nl addr
;
3589 if (ifchange_object
)
3591 /* increment the refcount for each socket that uses the ifchange object */
3592 return grab_object( ifchange_object
);
3595 /* create the socket we need for processing interface change notifications */
3596 unix_fd
= socket( PF_NETLINK
, SOCK_RAW
, NETLINK_ROUTE
);
3599 set_error( sock_get_ntstatus( errno
));
3602 fcntl( unix_fd
, F_SETFL
, O_NONBLOCK
); /* make socket nonblocking */
3603 memset( &addr
, 0, sizeof(addr
) );
3604 addr
.nl_family
= AF_NETLINK
;
3605 addr
.nl_groups
= RTMGRP_IPV4_IFADDR
;
3606 /* bind the socket to the special netlink kernel interface */
3607 if (bind( unix_fd
, (struct sockaddr
*)&addr
, sizeof(addr
) ) == -1)
3610 set_error( sock_get_ntstatus( errno
));
3613 if (!(ifchange
= alloc_object( &ifchange_ops
)))
3616 set_error( STATUS_NO_MEMORY
);
3619 list_init( &ifchange
->sockets
);
3620 if (!(ifchange
->fd
= create_anonymous_fd( &ifchange_fd_ops
, unix_fd
, &ifchange
->obj
, 0 )))
3622 release_object( ifchange
);
3623 set_error( STATUS_NO_MEMORY
);
3626 set_fd_events( ifchange
->fd
, POLLIN
); /* enable read wakeup on the file descriptor */
3628 /* the ifchange object is now successfully configured */
3629 ifchange_object
= &ifchange
->obj
;
3630 return &ifchange
->obj
;
3632 set_error( STATUS_NOT_SUPPORTED
);
3637 /* add the socket to the interface change notification list */
3638 static void ifchange_add_sock( struct object
*obj
, struct sock
*sock
)
3640 #ifdef HAVE_LINUX_RTNETLINK_H
3641 struct ifchange
*ifchange
= (struct ifchange
*)obj
;
3643 list_add_tail( &ifchange
->sockets
, &sock
->ifchange_entry
);
3647 /* create a new ifchange queue for a specific socket or, if one already exists, reuse the existing one */
3648 static struct object
*sock_get_ifchange( struct sock
*sock
)
3650 struct object
*ifchange
;
3652 if (sock
->ifchange_obj
) /* reuse existing ifchange_obj for this socket */
3653 return sock
->ifchange_obj
;
3655 if (!(ifchange
= get_ifchange()))
3658 /* add the socket to the ifchange notification list */
3659 ifchange_add_sock( ifchange
, sock
);
3660 sock
->ifchange_obj
= ifchange
;
3664 /* destroy an existing ifchange queue for a specific socket */
3665 static void sock_release_ifchange( struct sock
*sock
)
3667 if (sock
->ifchange_obj
)
3669 list_remove( &sock
->ifchange_entry
);
3670 release_object( sock
->ifchange_obj
);
3671 sock
->ifchange_obj
= NULL
;
3675 static void socket_device_dump( struct object
*obj
, int verbose
);
3676 static struct object
*socket_device_lookup_name( struct object
*obj
, struct unicode_str
*name
,
3677 unsigned int attr
, struct object
*root
);
3678 static struct object
*socket_device_open_file( struct object
*obj
, unsigned int access
,
3679 unsigned int sharing
, unsigned int options
);
3681 static const struct object_ops socket_device_ops
=
3683 sizeof(struct object
), /* size */
3684 &device_type
, /* type */
3685 socket_device_dump
, /* dump */
3686 no_add_queue
, /* add_queue */
3687 NULL
, /* remove_queue */
3688 NULL
, /* signaled */
3689 no_satisfied
, /* satisfied */
3690 no_signal
, /* signal */
3691 no_get_fd
, /* get_fd */
3692 default_map_access
, /* map_access */
3693 default_get_sd
, /* get_sd */
3694 default_set_sd
, /* set_sd */
3695 default_get_full_name
, /* get_full_name */
3696 socket_device_lookup_name
, /* lookup_name */
3697 directory_link_name
, /* link_name */
3698 default_unlink_name
, /* unlink_name */
3699 socket_device_open_file
, /* open_file */
3700 no_kernel_obj_list
, /* get_kernel_obj_list */
3701 no_close_handle
, /* close_handle */
3702 no_destroy
/* destroy */
3705 static void socket_device_dump( struct object
*obj
, int verbose
)
3707 fputs( "Socket device\n", stderr
);
3710 static struct object
*socket_device_lookup_name( struct object
*obj
, struct unicode_str
*name
,
3711 unsigned int attr
, struct object
*root
)
3713 if (name
) name
->len
= 0;
3717 static struct object
*socket_device_open_file( struct object
*obj
, unsigned int access
,
3718 unsigned int sharing
, unsigned int options
)
3722 if (!(sock
= create_socket())) return NULL
;
3723 if (!(sock
->fd
= alloc_pseudo_fd( &sock_fd_ops
, &sock
->obj
, options
)))
3725 release_object( sock
);
3731 struct object
*create_socket_device( struct object
*root
, const struct unicode_str
*name
,
3732 unsigned int attr
, const struct security_descriptor
*sd
)
3734 return create_named_object( root
, &socket_device_ops
, name
, attr
, sd
);
3737 DECL_HANDLER(recv_socket
)
3739 struct sock
*sock
= (struct sock
*)get_handle_obj( current
->process
, req
->async
.handle
, 0, &sock_ops
);
3740 unsigned int status
= STATUS_PENDING
;
3741 timeout_t timeout
= 0;
3742 struct async
*async
;
3748 if (!req
->force_async
&& !sock
->nonblocking
&& is_fd_overlapped( fd
))
3749 timeout
= (timeout_t
)sock
->rcvtimeo
* -10000;
3751 if (sock
->rd_shutdown
) status
= STATUS_PIPE_DISCONNECTED
;
3752 else if (!async_queued( &sock
->read_q
))
3754 /* If read_q is not empty, we cannot really tell if the already queued
3755 * asyncs will not consume all available data; if there's no data
3756 * available, the current request won't be immediately satiable.
3758 if ((!req
->force_async
&& sock
->nonblocking
) ||
3759 check_fd_events( sock
->fd
, req
->oob
&& !is_oobinline( sock
) ? POLLPRI
: POLLIN
))
3761 /* Give the client opportunity to complete synchronously.
3762 * If it turns out that the I/O request is not actually immediately satiable,
3763 * the client may then choose to re-queue the async (with STATUS_PENDING).
3765 * Note: If the nonblocking flag is set, we don't poll the socket
3766 * here and always opt for synchronous completion first. This is
3767 * because the application has probably seen POLLIN already from a
3768 * preceding select()/poll() call before it requested to receive
3771 status
= STATUS_ALERTED
;
3775 if (status
== STATUS_PENDING
&& !req
->force_async
&& sock
->nonblocking
)
3776 status
= STATUS_DEVICE_NOT_READY
;
3778 sock
->pending_events
&= ~(req
->oob
? AFD_POLL_OOB
: AFD_POLL_READ
);
3779 sock
->reported_events
&= ~(req
->oob
? AFD_POLL_OOB
: AFD_POLL_READ
);
3781 if ((async
= create_request_async( fd
, get_fd_comp_flags( fd
), &req
->async
)))
3783 set_error( status
);
3786 async_set_timeout( async
, timeout
, STATUS_IO_TIMEOUT
);
3788 if (status
== STATUS_PENDING
|| status
== STATUS_ALERTED
)
3789 queue_async( &sock
->read_q
, async
);
3791 /* always reselect; we changed reported_events above */
3792 sock_reselect( sock
);
3794 reply
->wait
= async_handoff( async
, NULL
, 0 );
3795 reply
->options
= get_fd_options( fd
);
3796 reply
->nonblocking
= sock
->nonblocking
;
3797 release_object( async
);
3799 release_object( sock
);
3802 static void send_socket_completion_callback( void *private )
3804 struct send_req
*send_req
= private;
3805 struct iosb
*iosb
= send_req
->iosb
;
3806 struct sock
*sock
= send_req
->sock
;
3808 if (iosb
->status
!= STATUS_SUCCESS
)
3810 /* send() calls only clear and reselect events if unsuccessful. */
3811 sock
->pending_events
&= ~AFD_POLL_WRITE
;
3812 sock
->reported_events
&= ~AFD_POLL_WRITE
;
3813 sock_reselect( sock
);
3816 release_object( iosb
);
3817 release_object( sock
);
3821 DECL_HANDLER(send_socket
)
3823 struct sock
*sock
= (struct sock
*)get_handle_obj( current
->process
, req
->async
.handle
, 0, &sock_ops
);
3824 unsigned int status
= STATUS_PENDING
;
3825 timeout_t timeout
= 0;
3826 struct async
*async
;
3833 if (sock
->type
== WS_SOCK_DGRAM
&& !sock
->bound
)
3835 union unix_sockaddr unix_addr
;
3837 int unix_fd
= get_unix_fd( fd
);
3839 unix_len
= get_unix_sockaddr_any( &unix_addr
, sock
->family
);
3840 if (bind( unix_fd
, &unix_addr
.addr
, unix_len
) < 0)
3843 if (getsockname( unix_fd
, &unix_addr
.addr
, &unix_len
) >= 0)
3845 sock
->addr_len
= sockaddr_from_unix( &unix_addr
, &sock
->addr
.addr
, sizeof(sock
->addr
) );
3848 else if (!bind_errno
) bind_errno
= errno
;
3851 if (!req
->force_async
&& !sock
->nonblocking
&& is_fd_overlapped( fd
))
3852 timeout
= (timeout_t
)sock
->sndtimeo
* -10000;
3854 if (bind_errno
) status
= sock_get_ntstatus( bind_errno
);
3855 else if (sock
->wr_shutdown
) status
= STATUS_PIPE_DISCONNECTED
;
3856 else if (!async_queued( &sock
->write_q
))
3858 /* If write_q is not empty, we cannot really tell if the already queued
3859 * asyncs will not consume all available space; if there's no space
3860 * available, the current request won't be immediately satiable.
3862 if ((!req
->force_async
&& sock
->nonblocking
) || check_fd_events( sock
->fd
, POLLOUT
))
3864 /* Give the client opportunity to complete synchronously.
3865 * If it turns out that the I/O request is not actually immediately satiable,
3866 * the client may then choose to re-queue the async (with STATUS_PENDING).
3868 * Note: If the nonblocking flag is set, we don't poll the socket
3869 * here and always opt for synchronous completion first. This is
3870 * because the application has probably seen POLLOUT already from a
3871 * preceding select()/poll() call before it requested to send data.
3873 * Furthermore, some applications expect that any send() call on a
3874 * socket that has indicated POLLOUT beforehand never fails with
3875 * WSAEWOULDBLOCK. It's possible that Linux poll() may yield
3876 * POLLOUT on the first call but not the second, even if no send()
3877 * call has been made in the meanwhile. This can happen for a
3878 * number of reasons; for example, TCP fragmentation may consume
3879 * extra buffer space for each packet that has been split out, or
3880 * the TCP/IP networking stack may decide to shrink the send buffer
3881 * due to memory pressure.
3883 status
= STATUS_ALERTED
;
3887 if (status
== STATUS_PENDING
&& !req
->force_async
&& sock
->nonblocking
)
3888 status
= STATUS_DEVICE_NOT_READY
;
3890 if ((async
= create_request_async( fd
, get_fd_comp_flags( fd
), &req
->async
)))
3892 struct send_req
*send_req
;
3893 struct iosb
*iosb
= async_get_iosb( async
);
3895 if ((send_req
= mem_alloc( sizeof(*send_req
) )))
3897 send_req
->iosb
= (struct iosb
*)grab_object( iosb
);
3898 send_req
->sock
= (struct sock
*)grab_object( sock
);
3899 async_set_completion_callback( async
, send_socket_completion_callback
, send_req
);
3901 else if (status
== STATUS_PENDING
|| status
== STATUS_DEVICE_NOT_READY
)
3902 status
= STATUS_NO_MEMORY
;
3904 release_object( iosb
);
3906 set_error( status
);
3909 async_set_timeout( async
, timeout
, STATUS_IO_TIMEOUT
);
3911 if (status
== STATUS_PENDING
|| status
== STATUS_ALERTED
)
3913 queue_async( &sock
->write_q
, async
);
3914 sock_reselect( sock
);
3917 reply
->wait
= async_handoff( async
, NULL
, 0 );
3918 reply
->options
= get_fd_options( fd
);
3919 reply
->nonblocking
= sock
->nonblocking
;
3920 release_object( async
);
3922 release_object( sock
);
3925 DECL_HANDLER(socket_send_icmp_id
)
3927 struct sock
*sock
= (struct sock
*)get_handle_obj( current
->process
, req
->handle
, 0, &sock_ops
);
3931 if (sock
->icmp_fixup_data_len
== MAX_ICMP_HISTORY_LENGTH
)
3933 memmove( sock
->icmp_fixup_data
, sock
->icmp_fixup_data
+ 1,
3934 sizeof(*sock
->icmp_fixup_data
) * (MAX_ICMP_HISTORY_LENGTH
- 1) );
3935 --sock
->icmp_fixup_data_len
;
3938 sock
->icmp_fixup_data
[sock
->icmp_fixup_data_len
].icmp_id
= req
->icmp_id
;
3939 sock
->icmp_fixup_data
[sock
->icmp_fixup_data_len
].icmp_seq
= req
->icmp_seq
;
3940 ++sock
->icmp_fixup_data_len
;
3942 release_object( sock
);
3945 DECL_HANDLER(socket_get_icmp_id
)
3947 struct sock
*sock
= (struct sock
*)get_handle_obj( current
->process
, req
->handle
, 0, &sock_ops
);
3952 for (i
= 0; i
< sock
->icmp_fixup_data_len
; ++i
)
3954 if (sock
->icmp_fixup_data
[i
].icmp_seq
== req
->icmp_seq
)
3956 reply
->icmp_id
= sock
->icmp_fixup_data
[i
].icmp_id
;
3957 --sock
->icmp_fixup_data_len
;
3958 memmove( &sock
->icmp_fixup_data
[i
], &sock
->icmp_fixup_data
[i
+ 1],
3959 (sock
->icmp_fixup_data_len
- i
) * sizeof(*sock
->icmp_fixup_data
) );
3960 release_object( sock
);
3965 set_error( STATUS_NOT_FOUND
);
3966 release_object( sock
);