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![Zebediah Figura](/assets/img/avatar_default.png)
Signed-off-by: Zebediah Figura <z.figura12@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
1894 lines
59 KiB
C
1894 lines
59 KiB
C
/*
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* Server-side socket management
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*
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* Copyright (C) 1999 Marcus Meissner, Ove Kåven
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*
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* FIXME: we use read|write access in all cases. Shouldn't we depend that
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* on the access of the current handle?
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*/
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#include "config.h"
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#include <assert.h>
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#include <fcntl.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <errno.h>
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#ifdef HAVE_NETINET_IN_H
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# include <netinet/in.h>
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#endif
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#ifdef HAVE_POLL_H
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# include <poll.h>
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#endif
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#include <sys/time.h>
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#include <sys/types.h>
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#ifdef HAVE_SYS_SOCKET_H
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# include <sys/socket.h>
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#endif
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#ifdef HAVE_SYS_IOCTL_H
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#include <sys/ioctl.h>
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#endif
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#ifdef HAVE_SYS_FILIO_H
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# include <sys/filio.h>
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#endif
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#include <time.h>
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#include <unistd.h>
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#include <limits.h>
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#ifdef HAVE_LINUX_RTNETLINK_H
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# include <linux/rtnetlink.h>
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#endif
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#ifdef HAVE_NETIPX_IPX_H
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# include <netipx/ipx.h>
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#elif defined(HAVE_LINUX_IPX_H)
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# ifdef HAVE_ASM_TYPES_H
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# include <asm/types.h>
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# endif
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# ifdef HAVE_LINUX_TYPES_H
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# include <linux/types.h>
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# endif
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# include <linux/ipx.h>
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#endif
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#if defined(SOL_IPX) || defined(SO_DEFAULT_HEADERS)
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# define HAS_IPX
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#endif
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#ifdef HAVE_LINUX_IRDA_H
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# ifdef HAVE_LINUX_TYPES_H
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# include <linux/types.h>
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# endif
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# include <linux/irda.h>
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# define HAS_IRDA
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#endif
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "windef.h"
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#include "winternl.h"
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#include "winerror.h"
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#define USE_WS_PREFIX
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#include "winsock2.h"
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#include "ws2tcpip.h"
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#include "wsipx.h"
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#include "af_irda.h"
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#include "wine/afd.h"
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#include "process.h"
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#include "file.h"
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#include "handle.h"
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#include "thread.h"
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#include "request.h"
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#include "user.h"
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struct accept_req
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{
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struct list entry;
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struct async *async;
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struct iosb *iosb;
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struct sock *sock, *acceptsock;
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int accepted;
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unsigned int recv_len, local_len;
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};
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struct sock
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{
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struct object obj; /* object header */
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struct fd *fd; /* socket file descriptor */
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unsigned int state; /* status bits */
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unsigned int mask; /* event mask */
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/* pending FD_* events which have not yet been reported to the application */
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unsigned int pending_events;
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/* FD_* events which have already been reported and should not be selected
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* for again until reset by a relevant call.
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*
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* For example, if FD_READ is set here and not in pending_events, it has
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* already been reported and consumed, and we should not report it again,
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* even if POLLIN is signaled, until it is reset by e.g recv().
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*
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* If an event has been signaled and not consumed yet, it will be set in
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* both pending_events and reported_events (as we should only ever report
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* any event once until it is reset.) */
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unsigned int reported_events;
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unsigned int flags; /* socket flags */
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int polling; /* is socket being polled? */
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unsigned short proto; /* socket protocol */
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unsigned short type; /* socket type */
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unsigned short family; /* socket family */
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struct event *event; /* event object */
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user_handle_t window; /* window to send the message to */
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unsigned int message; /* message to send */
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obj_handle_t wparam; /* message wparam (socket handle) */
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unsigned int errors[FD_MAX_EVENTS]; /* event errors */
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timeout_t connect_time;/* time the socket was connected */
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struct sock *deferred; /* socket that waits for a deferred accept */
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struct async_queue read_q; /* queue for asynchronous reads */
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struct async_queue write_q; /* queue for asynchronous writes */
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struct async_queue ifchange_q; /* queue for interface change notifications */
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struct async_queue accept_q; /* queue for asynchronous accepts */
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struct object *ifchange_obj; /* the interface change notification object */
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struct list ifchange_entry; /* entry in ifchange notification list */
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struct list accept_list; /* list of pending accept requests */
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struct accept_req *accept_recv_req; /* pending accept-into request which will recv on this socket */
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};
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static void sock_dump( struct object *obj, int verbose );
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static struct fd *sock_get_fd( struct object *obj );
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static int sock_close_handle( struct object *obj, struct process *process, obj_handle_t handle );
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static void sock_destroy( struct object *obj );
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static struct object *sock_get_ifchange( struct sock *sock );
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static void sock_release_ifchange( struct sock *sock );
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static int sock_get_poll_events( struct fd *fd );
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static void sock_poll_event( struct fd *fd, int event );
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static enum server_fd_type sock_get_fd_type( struct fd *fd );
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static int sock_ioctl( struct fd *fd, ioctl_code_t code, struct async *async );
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static void sock_queue_async( struct fd *fd, struct async *async, int type, int count );
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static void sock_reselect_async( struct fd *fd, struct async_queue *queue );
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static int accept_into_socket( struct sock *sock, struct sock *acceptsock );
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static struct sock *accept_socket( struct sock *sock );
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static int sock_get_ntstatus( int err );
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static unsigned int sock_get_error( int err );
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static const struct object_ops sock_ops =
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{
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sizeof(struct sock), /* size */
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&file_type, /* type */
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sock_dump, /* dump */
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add_queue, /* add_queue */
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remove_queue, /* remove_queue */
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default_fd_signaled, /* signaled */
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no_satisfied, /* satisfied */
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no_signal, /* signal */
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sock_get_fd, /* get_fd */
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default_map_access, /* map_access */
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default_get_sd, /* get_sd */
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default_set_sd, /* set_sd */
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no_get_full_name, /* get_full_name */
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no_lookup_name, /* lookup_name */
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no_link_name, /* link_name */
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NULL, /* unlink_name */
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no_open_file, /* open_file */
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no_kernel_obj_list, /* get_kernel_obj_list */
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sock_close_handle, /* close_handle */
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sock_destroy /* destroy */
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};
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static const struct fd_ops sock_fd_ops =
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{
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sock_get_poll_events, /* get_poll_events */
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sock_poll_event, /* poll_event */
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sock_get_fd_type, /* get_fd_type */
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no_fd_read, /* read */
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no_fd_write, /* write */
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no_fd_flush, /* flush */
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default_fd_get_file_info, /* get_file_info */
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no_fd_get_volume_info, /* get_volume_info */
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sock_ioctl, /* ioctl */
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sock_queue_async, /* queue_async */
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sock_reselect_async /* reselect_async */
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};
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union unix_sockaddr
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{
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struct sockaddr addr;
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struct sockaddr_in in;
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struct sockaddr_in6 in6;
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#ifdef HAS_IPX
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struct sockaddr_ipx ipx;
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#endif
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#ifdef HAS_IRDA
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struct sockaddr_irda irda;
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#endif
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};
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static int sockaddr_from_unix( const union unix_sockaddr *uaddr, struct WS_sockaddr *wsaddr, socklen_t wsaddrlen )
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{
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memset( wsaddr, 0, wsaddrlen );
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switch (uaddr->addr.sa_family)
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{
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case AF_INET:
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{
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struct WS_sockaddr_in win = {0};
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if (wsaddrlen < sizeof(win)) return -1;
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win.sin_family = WS_AF_INET;
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win.sin_port = uaddr->in.sin_port;
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memcpy( &win.sin_addr, &uaddr->in.sin_addr, sizeof(win.sin_addr) );
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memcpy( wsaddr, &win, sizeof(win) );
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return sizeof(win);
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}
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case AF_INET6:
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{
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struct WS_sockaddr_in6 win = {0};
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if (wsaddrlen < sizeof(struct WS_sockaddr_in6_old)) return -1;
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win.sin6_family = WS_AF_INET6;
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win.sin6_port = uaddr->in6.sin6_port;
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win.sin6_flowinfo = uaddr->in6.sin6_flowinfo;
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memcpy( &win.sin6_addr, &uaddr->in6.sin6_addr, sizeof(win.sin6_addr) );
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#ifdef HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID
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win.sin6_scope_id = uaddr->in6.sin6_scope_id;
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#endif
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if (wsaddrlen >= sizeof(struct WS_sockaddr_in6))
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{
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memcpy( wsaddr, &win, sizeof(struct WS_sockaddr_in6) );
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return sizeof(struct WS_sockaddr_in6);
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}
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memcpy( wsaddr, &win, sizeof(struct WS_sockaddr_in6_old) );
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return sizeof(struct WS_sockaddr_in6_old);
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}
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#ifdef HAS_IPX
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case AF_IPX:
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{
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struct WS_sockaddr_ipx win = {0};
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if (wsaddrlen < sizeof(win)) return -1;
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win.sa_family = WS_AF_IPX;
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memcpy( win.sa_netnum, &uaddr->ipx.sipx_network, sizeof(win.sa_netnum) );
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memcpy( win.sa_nodenum, &uaddr->ipx.sipx_node, sizeof(win.sa_nodenum) );
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win.sa_socket = uaddr->ipx.sipx_port;
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memcpy( wsaddr, &win, sizeof(win) );
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return sizeof(win);
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}
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#endif
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#ifdef HAS_IRDA
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case AF_IRDA:
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{
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SOCKADDR_IRDA win;
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if (wsaddrlen < sizeof(win)) return -1;
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win.irdaAddressFamily = WS_AF_IRDA;
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memcpy( win.irdaDeviceID, &uaddr->irda.sir_addr, sizeof(win.irdaDeviceID) );
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if (uaddr->irda.sir_lsap_sel != LSAP_ANY)
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snprintf( win.irdaServiceName, sizeof(win.irdaServiceName), "LSAP-SEL%u", uaddr->irda.sir_lsap_sel );
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else
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memcpy( win.irdaServiceName, uaddr->irda.sir_name, sizeof(win.irdaServiceName) );
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memcpy( wsaddr, &win, sizeof(win) );
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return sizeof(win);
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}
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#endif
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case AF_UNSPEC:
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return 0;
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default:
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return -1;
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}
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}
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/* Permutation of 0..FD_MAX_EVENTS - 1 representing the order in which
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* we post messages if there are multiple events. Used to send
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* messages. The problem is if there is both a FD_CONNECT event and,
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* say, an FD_READ event available on the same socket, we want to
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* notify the app of the connect event first. Otherwise it may
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* discard the read event because it thinks it hasn't connected yet.
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*/
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static const int event_bitorder[FD_MAX_EVENTS] =
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{
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FD_CONNECT_BIT,
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FD_ACCEPT_BIT,
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FD_OOB_BIT,
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FD_WRITE_BIT,
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FD_READ_BIT,
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FD_CLOSE_BIT,
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6, 7, 8, 9 /* leftovers */
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};
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/* Flags that make sense only for SOCK_STREAM sockets */
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#define STREAM_FLAG_MASK ((unsigned int) (FD_CONNECT | FD_ACCEPT | FD_WINE_LISTENING | FD_WINE_CONNECTED))
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typedef enum {
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SOCK_SHUTDOWN_ERROR = -1,
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SOCK_SHUTDOWN_EOF = 0,
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SOCK_SHUTDOWN_POLLHUP = 1
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} sock_shutdown_t;
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static sock_shutdown_t sock_shutdown_type = SOCK_SHUTDOWN_ERROR;
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static sock_shutdown_t sock_check_pollhup(void)
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{
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sock_shutdown_t ret = SOCK_SHUTDOWN_ERROR;
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int fd[2], n;
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struct pollfd pfd;
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char dummy;
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if ( socketpair( AF_UNIX, SOCK_STREAM, 0, fd ) ) return ret;
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if ( shutdown( fd[0], 1 ) ) goto out;
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pfd.fd = fd[1];
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pfd.events = POLLIN;
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pfd.revents = 0;
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/* Solaris' poll() sometimes returns nothing if given a 0ms timeout here */
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n = poll( &pfd, 1, 1 );
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if ( n != 1 ) goto out; /* error or timeout */
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if ( pfd.revents & POLLHUP )
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ret = SOCK_SHUTDOWN_POLLHUP;
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else if ( pfd.revents & POLLIN &&
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read( fd[1], &dummy, 1 ) == 0 )
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ret = SOCK_SHUTDOWN_EOF;
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out:
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close( fd[0] );
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close( fd[1] );
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return ret;
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}
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void sock_init(void)
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{
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sock_shutdown_type = sock_check_pollhup();
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switch ( sock_shutdown_type )
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{
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case SOCK_SHUTDOWN_EOF:
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if (debug_level) fprintf( stderr, "sock_init: shutdown() causes EOF\n" );
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break;
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case SOCK_SHUTDOWN_POLLHUP:
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if (debug_level) fprintf( stderr, "sock_init: shutdown() causes POLLHUP\n" );
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break;
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default:
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fprintf( stderr, "sock_init: ERROR in sock_check_pollhup()\n" );
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sock_shutdown_type = SOCK_SHUTDOWN_EOF;
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}
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}
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static int sock_reselect( struct sock *sock )
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{
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int ev = sock_get_poll_events( sock->fd );
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if (debug_level)
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fprintf(stderr,"sock_reselect(%p): new mask %x\n", sock, ev);
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if (!sock->polling) /* FIXME: should find a better way to do this */
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{
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/* previously unconnected socket, is this reselect supposed to connect it? */
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if (!(sock->state & ~FD_WINE_NONBLOCKING)) return 0;
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/* ok, it is, attach it to the wineserver's main poll loop */
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sock->polling = 1;
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allow_fd_caching( sock->fd );
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}
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/* update condition mask */
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set_fd_events( sock->fd, ev );
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return ev;
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}
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/* wake anybody waiting on the socket event or send the associated message */
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static void sock_wake_up( struct sock *sock )
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{
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unsigned int events = sock->pending_events & sock->mask;
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int i;
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if ( !events ) return;
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if (sock->event)
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{
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if (debug_level) fprintf(stderr, "signalling events %x ptr %p\n", events, sock->event );
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set_event( sock->event );
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}
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if (sock->window)
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{
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if (debug_level) fprintf(stderr, "signalling events %x win %08x\n", events, sock->window );
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for (i = 0; i < FD_MAX_EVENTS; i++)
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{
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int event = event_bitorder[i];
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if (sock->pending_events & (1 << event))
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{
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lparam_t lparam = (1 << event) | (sock->errors[event] << 16);
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post_message( sock->window, sock->message, sock->wparam, lparam );
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}
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}
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sock->pending_events = 0;
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sock_reselect( sock );
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}
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}
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static inline int sock_error( struct fd *fd )
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{
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unsigned int optval = 0;
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socklen_t optlen = sizeof(optval);
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getsockopt( get_unix_fd(fd), SOL_SOCKET, SO_ERROR, (void *) &optval, &optlen);
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return optval;
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}
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static void free_accept_req( void *private )
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{
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struct accept_req *req = private;
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list_remove( &req->entry );
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if (req->acceptsock)
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{
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req->acceptsock->accept_recv_req = NULL;
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release_object( req->acceptsock );
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}
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release_object( req->async );
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release_object( req->iosb );
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release_object( req->sock );
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free( req );
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}
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|
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static void fill_accept_output( struct accept_req *req )
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{
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struct iosb *iosb = req->iosb;
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union unix_sockaddr unix_addr;
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struct WS_sockaddr *win_addr;
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unsigned int remote_len;
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socklen_t unix_len;
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int fd, size = 0;
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char *out_data;
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int win_len;
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if (!(out_data = mem_alloc( iosb->out_size ))) return;
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fd = get_unix_fd( req->acceptsock->fd );
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if (req->recv_len && (size = recv( fd, out_data, req->recv_len, 0 )) < 0)
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{
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if (!req->accepted && errno == EWOULDBLOCK)
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{
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req->accepted = 1;
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sock_reselect( req->acceptsock );
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set_error( STATUS_PENDING );
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return;
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}
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|
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set_error( sock_get_ntstatus( errno ) );
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free( out_data );
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return;
|
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}
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if (req->local_len)
|
|
{
|
|
if (req->local_len < sizeof(int))
|
|
{
|
|
set_error( STATUS_BUFFER_TOO_SMALL );
|
|
free( out_data );
|
|
return;
|
|
}
|
|
|
|
unix_len = sizeof(unix_addr);
|
|
win_addr = (struct WS_sockaddr *)(out_data + req->recv_len + sizeof(int));
|
|
if (getsockname( fd, &unix_addr.addr, &unix_len ) < 0 ||
|
|
(win_len = sockaddr_from_unix( &unix_addr, win_addr, req->local_len - sizeof(int) )) < 0)
|
|
{
|
|
set_error( sock_get_ntstatus( errno ) );
|
|
free( out_data );
|
|
return;
|
|
}
|
|
memcpy( out_data + req->recv_len, &win_len, sizeof(int) );
|
|
}
|
|
|
|
unix_len = sizeof(unix_addr);
|
|
win_addr = (struct WS_sockaddr *)(out_data + req->recv_len + req->local_len + sizeof(int));
|
|
remote_len = iosb->out_size - req->recv_len - req->local_len;
|
|
if (getpeername( fd, &unix_addr.addr, &unix_len ) < 0 ||
|
|
(win_len = sockaddr_from_unix( &unix_addr, win_addr, remote_len - sizeof(int) )) < 0)
|
|
{
|
|
set_error( sock_get_ntstatus( errno ) );
|
|
free( out_data );
|
|
return;
|
|
}
|
|
memcpy( out_data + req->recv_len + req->local_len, &win_len, sizeof(int) );
|
|
|
|
iosb->status = STATUS_SUCCESS;
|
|
iosb->result = size;
|
|
iosb->out_data = out_data;
|
|
set_error( STATUS_ALERTED );
|
|
}
|
|
|
|
static void complete_async_accept( struct sock *sock, struct accept_req *req )
|
|
{
|
|
struct sock *acceptsock = req->acceptsock;
|
|
struct async *async = req->async;
|
|
|
|
if (debug_level) fprintf( stderr, "completing accept request for socket %p\n", sock );
|
|
|
|
if (acceptsock)
|
|
{
|
|
if (!accept_into_socket( sock, acceptsock )) return;
|
|
fill_accept_output( req );
|
|
}
|
|
else
|
|
{
|
|
struct iosb *iosb = req->iosb;
|
|
obj_handle_t handle;
|
|
|
|
if (!(acceptsock = accept_socket( sock ))) return;
|
|
handle = alloc_handle_no_access_check( async_get_thread( async )->process, &acceptsock->obj,
|
|
GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE, OBJ_INHERIT );
|
|
acceptsock->wparam = handle;
|
|
release_object( acceptsock );
|
|
if (!handle) return;
|
|
|
|
if (!(iosb->out_data = malloc( sizeof(handle) ))) return;
|
|
|
|
iosb->status = STATUS_SUCCESS;
|
|
iosb->out_size = sizeof(handle);
|
|
memcpy( iosb->out_data, &handle, sizeof(handle) );
|
|
set_error( STATUS_ALERTED );
|
|
}
|
|
}
|
|
|
|
static void complete_async_accept_recv( struct accept_req *req )
|
|
{
|
|
if (debug_level) fprintf( stderr, "completing accept recv request for socket %p\n", req->acceptsock );
|
|
|
|
assert( req->recv_len );
|
|
|
|
fill_accept_output( req );
|
|
}
|
|
|
|
static int sock_dispatch_asyncs( struct sock *sock, int event, int error )
|
|
{
|
|
if (event & (POLLIN | POLLPRI))
|
|
{
|
|
struct accept_req *req;
|
|
|
|
LIST_FOR_EACH_ENTRY( req, &sock->accept_list, struct accept_req, entry )
|
|
{
|
|
if (req->iosb->status == STATUS_PENDING && !req->accepted)
|
|
{
|
|
complete_async_accept( sock, req );
|
|
if (get_error() != STATUS_PENDING)
|
|
async_terminate( req->async, get_error() );
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (sock->accept_recv_req && sock->accept_recv_req->iosb->status == STATUS_PENDING)
|
|
{
|
|
complete_async_accept_recv( sock->accept_recv_req );
|
|
if (get_error() != STATUS_PENDING)
|
|
async_terminate( sock->accept_recv_req->async, get_error() );
|
|
}
|
|
}
|
|
|
|
if (is_fd_overlapped( sock->fd ))
|
|
{
|
|
if (event & (POLLIN|POLLPRI) && async_waiting( &sock->read_q ))
|
|
{
|
|
if (debug_level) fprintf( stderr, "activating read queue for socket %p\n", sock );
|
|
async_wake_up( &sock->read_q, STATUS_ALERTED );
|
|
event &= ~(POLLIN|POLLPRI);
|
|
}
|
|
if (event & POLLOUT && async_waiting( &sock->write_q ))
|
|
{
|
|
if (debug_level) fprintf( stderr, "activating write queue for socket %p\n", sock );
|
|
async_wake_up( &sock->write_q, STATUS_ALERTED );
|
|
event &= ~POLLOUT;
|
|
}
|
|
}
|
|
|
|
if (event & (POLLERR | POLLHUP))
|
|
{
|
|
int status = sock_get_ntstatus( error );
|
|
struct accept_req *req, *next;
|
|
|
|
if (!(sock->state & FD_READ))
|
|
async_wake_up( &sock->read_q, status );
|
|
if (!(sock->state & FD_WRITE))
|
|
async_wake_up( &sock->write_q, status );
|
|
|
|
LIST_FOR_EACH_ENTRY_SAFE( req, next, &sock->accept_list, struct accept_req, entry )
|
|
{
|
|
if (req->iosb->status == STATUS_PENDING)
|
|
async_terminate( req->async, status );
|
|
}
|
|
|
|
if (sock->accept_recv_req && sock->accept_recv_req->iosb->status == STATUS_PENDING)
|
|
async_terminate( sock->accept_recv_req->async, status );
|
|
}
|
|
|
|
return event;
|
|
}
|
|
|
|
static void post_socket_event( struct sock *sock, unsigned int event_bit, unsigned int error )
|
|
{
|
|
unsigned int event = (1 << event_bit);
|
|
|
|
sock->pending_events |= event;
|
|
sock->reported_events |= event;
|
|
sock->errors[event_bit] = error;
|
|
}
|
|
|
|
static void sock_dispatch_events( struct sock *sock, int prevstate, int event, int error )
|
|
{
|
|
if (prevstate & FD_CONNECT)
|
|
{
|
|
post_socket_event( sock, FD_CONNECT_BIT, sock_get_error( error ) );
|
|
goto end;
|
|
}
|
|
if (prevstate & FD_WINE_LISTENING)
|
|
{
|
|
post_socket_event( sock, FD_ACCEPT_BIT, sock_get_error( error ) );
|
|
goto end;
|
|
}
|
|
|
|
if (event & POLLIN)
|
|
post_socket_event( sock, FD_READ_BIT, 0 );
|
|
|
|
if (event & POLLOUT)
|
|
post_socket_event( sock, FD_WRITE_BIT, 0 );
|
|
|
|
if (event & POLLPRI)
|
|
post_socket_event( sock, FD_OOB_BIT, 0 );
|
|
|
|
if (event & (POLLERR|POLLHUP))
|
|
post_socket_event( sock, FD_CLOSE_BIT, sock_get_error( error ) );
|
|
|
|
end:
|
|
sock_wake_up( sock );
|
|
}
|
|
|
|
static void sock_poll_event( struct fd *fd, int event )
|
|
{
|
|
struct sock *sock = get_fd_user( fd );
|
|
int hangup_seen = 0;
|
|
int prevstate = sock->state;
|
|
int error = 0;
|
|
|
|
assert( sock->obj.ops == &sock_ops );
|
|
if (debug_level)
|
|
fprintf(stderr, "socket %p select event: %x\n", sock, event);
|
|
|
|
/* we may change event later, remove from loop here */
|
|
if (event & (POLLERR|POLLHUP)) set_fd_events( sock->fd, -1 );
|
|
|
|
if (sock->state & FD_CONNECT)
|
|
{
|
|
if (event & (POLLERR|POLLHUP))
|
|
{
|
|
/* we didn't get connected? */
|
|
sock->state &= ~FD_CONNECT;
|
|
event &= ~POLLOUT;
|
|
error = sock_error( fd );
|
|
}
|
|
else if (event & POLLOUT)
|
|
{
|
|
/* we got connected */
|
|
sock->state |= FD_WINE_CONNECTED|FD_READ|FD_WRITE;
|
|
sock->state &= ~FD_CONNECT;
|
|
sock->connect_time = current_time;
|
|
}
|
|
}
|
|
else if (sock->state & FD_WINE_LISTENING)
|
|
{
|
|
/* listening */
|
|
if (event & (POLLERR|POLLHUP))
|
|
error = sock_error( fd );
|
|
}
|
|
else
|
|
{
|
|
/* normal data flow */
|
|
if (sock->type == WS_SOCK_STREAM && (event & POLLIN))
|
|
{
|
|
char dummy;
|
|
int nr;
|
|
|
|
/* Linux 2.4 doesn't report POLLHUP if only one side of the socket
|
|
* has been closed, so we need to check for it explicitly here */
|
|
nr = recv( get_unix_fd( fd ), &dummy, 1, MSG_PEEK );
|
|
if ( nr == 0 )
|
|
{
|
|
hangup_seen = 1;
|
|
event &= ~POLLIN;
|
|
}
|
|
else if ( nr < 0 )
|
|
{
|
|
event &= ~POLLIN;
|
|
/* EAGAIN can happen if an async recv() falls between the server's poll()
|
|
call and the invocation of this routine */
|
|
if ( errno != EAGAIN )
|
|
{
|
|
error = errno;
|
|
event |= POLLERR;
|
|
if ( debug_level )
|
|
fprintf( stderr, "recv error on socket %p: %d\n", sock, errno );
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( (hangup_seen || event & (POLLHUP|POLLERR)) && (sock->state & (FD_READ|FD_WRITE)) )
|
|
{
|
|
error = error ? error : sock_error( fd );
|
|
if ( (event & POLLERR) || ( sock_shutdown_type == SOCK_SHUTDOWN_EOF && (event & POLLHUP) ))
|
|
sock->state &= ~FD_WRITE;
|
|
sock->state &= ~FD_READ;
|
|
|
|
if (debug_level)
|
|
fprintf(stderr, "socket %p aborted by error %d, event: %x\n", sock, error, event);
|
|
}
|
|
|
|
if (hangup_seen)
|
|
event |= POLLHUP;
|
|
}
|
|
|
|
event = sock_dispatch_asyncs( sock, event, error );
|
|
sock_dispatch_events( sock, prevstate, event, error );
|
|
|
|
sock_reselect( sock );
|
|
}
|
|
|
|
static void sock_dump( struct object *obj, int verbose )
|
|
{
|
|
struct sock *sock = (struct sock *)obj;
|
|
assert( obj->ops == &sock_ops );
|
|
fprintf( stderr, "Socket fd=%p, state=%x, mask=%x, pending=%x, reported=%x\n",
|
|
sock->fd, sock->state,
|
|
sock->mask, sock->pending_events, sock->reported_events );
|
|
}
|
|
|
|
static int sock_get_poll_events( struct fd *fd )
|
|
{
|
|
struct sock *sock = get_fd_user( fd );
|
|
unsigned int mask = sock->mask & ~sock->reported_events;
|
|
unsigned int smask = sock->state & mask;
|
|
int ev = 0;
|
|
|
|
assert( sock->obj.ops == &sock_ops );
|
|
|
|
if (sock->state & FD_CONNECT)
|
|
/* connecting, wait for writable */
|
|
return POLLOUT;
|
|
|
|
if (!list_empty( &sock->accept_list ) || sock->accept_recv_req )
|
|
{
|
|
ev |= POLLIN | POLLPRI;
|
|
}
|
|
else if (async_queued( &sock->read_q ))
|
|
{
|
|
if (async_waiting( &sock->read_q )) ev |= POLLIN | POLLPRI;
|
|
}
|
|
else if (smask & FD_READ || (sock->state & FD_WINE_LISTENING && mask & FD_ACCEPT))
|
|
ev |= POLLIN | POLLPRI;
|
|
/* We use POLLIN with 0 bytes recv() as FD_CLOSE indication for stream sockets. */
|
|
else if (sock->type == WS_SOCK_STREAM && (sock->state & FD_READ) && (mask & FD_CLOSE) &&
|
|
!(sock->reported_events & FD_READ))
|
|
ev |= POLLIN;
|
|
|
|
if (async_queued( &sock->write_q ))
|
|
{
|
|
if (async_waiting( &sock->write_q )) ev |= POLLOUT;
|
|
}
|
|
else if (smask & FD_WRITE)
|
|
ev |= POLLOUT;
|
|
|
|
return ev;
|
|
}
|
|
|
|
static enum server_fd_type sock_get_fd_type( struct fd *fd )
|
|
{
|
|
return FD_TYPE_SOCKET;
|
|
}
|
|
|
|
static void sock_queue_async( struct fd *fd, struct async *async, int type, int count )
|
|
{
|
|
struct sock *sock = get_fd_user( fd );
|
|
struct async_queue *queue;
|
|
|
|
assert( sock->obj.ops == &sock_ops );
|
|
|
|
switch (type)
|
|
{
|
|
case ASYNC_TYPE_READ:
|
|
queue = &sock->read_q;
|
|
break;
|
|
case ASYNC_TYPE_WRITE:
|
|
queue = &sock->write_q;
|
|
break;
|
|
default:
|
|
set_error( STATUS_INVALID_PARAMETER );
|
|
return;
|
|
}
|
|
|
|
if ( ( !( sock->state & (FD_READ|FD_CONNECT|FD_WINE_LISTENING) ) && type == ASYNC_TYPE_READ ) ||
|
|
( !( sock->state & (FD_WRITE|FD_CONNECT) ) && type == ASYNC_TYPE_WRITE ) )
|
|
{
|
|
set_error( STATUS_PIPE_DISCONNECTED );
|
|
return;
|
|
}
|
|
|
|
queue_async( queue, async );
|
|
sock_reselect( sock );
|
|
|
|
set_error( STATUS_PENDING );
|
|
}
|
|
|
|
static void sock_reselect_async( struct fd *fd, struct async_queue *queue )
|
|
{
|
|
struct sock *sock = get_fd_user( fd );
|
|
|
|
/* Don't reselect the ifchange queue; we always ask for POLLIN.
|
|
* Don't reselect an uninitialized socket; we can't call set_fd_events() on
|
|
* a pseudo-fd. */
|
|
if (queue != &sock->ifchange_q && sock->type)
|
|
sock_reselect( sock );
|
|
}
|
|
|
|
static struct fd *sock_get_fd( struct object *obj )
|
|
{
|
|
struct sock *sock = (struct sock *)obj;
|
|
return (struct fd *)grab_object( sock->fd );
|
|
}
|
|
|
|
static int sock_close_handle( struct object *obj, struct process *process, obj_handle_t handle )
|
|
{
|
|
struct sock *sock = (struct sock *)obj;
|
|
struct accept_req *req, *next;
|
|
|
|
if (sock->obj.handle_count == 1) /* last handle */
|
|
{
|
|
if (sock->accept_recv_req)
|
|
async_terminate( sock->accept_recv_req->async, STATUS_CANCELLED );
|
|
|
|
LIST_FOR_EACH_ENTRY_SAFE( req, next, &sock->accept_list, struct accept_req, entry )
|
|
async_terminate( req->async, STATUS_CANCELLED );
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void sock_destroy( struct object *obj )
|
|
{
|
|
struct sock *sock = (struct sock *)obj;
|
|
|
|
assert( obj->ops == &sock_ops );
|
|
|
|
/* FIXME: special socket shutdown stuff? */
|
|
|
|
if ( sock->deferred )
|
|
release_object( sock->deferred );
|
|
|
|
async_wake_up( &sock->ifchange_q, STATUS_CANCELLED );
|
|
sock_release_ifchange( sock );
|
|
free_async_queue( &sock->read_q );
|
|
free_async_queue( &sock->write_q );
|
|
free_async_queue( &sock->ifchange_q );
|
|
free_async_queue( &sock->accept_q );
|
|
if (sock->event) release_object( sock->event );
|
|
if (sock->fd)
|
|
{
|
|
/* shut the socket down to force pending poll() calls in the client to return */
|
|
shutdown( get_unix_fd(sock->fd), SHUT_RDWR );
|
|
release_object( sock->fd );
|
|
}
|
|
}
|
|
|
|
static struct sock *create_socket(void)
|
|
{
|
|
struct sock *sock;
|
|
|
|
if (!(sock = alloc_object( &sock_ops ))) return NULL;
|
|
sock->fd = NULL;
|
|
sock->state = 0;
|
|
sock->mask = 0;
|
|
sock->pending_events = 0;
|
|
sock->reported_events = 0;
|
|
sock->polling = 0;
|
|
sock->flags = 0;
|
|
sock->proto = 0;
|
|
sock->type = 0;
|
|
sock->family = 0;
|
|
sock->event = NULL;
|
|
sock->window = 0;
|
|
sock->message = 0;
|
|
sock->wparam = 0;
|
|
sock->connect_time = 0;
|
|
sock->deferred = NULL;
|
|
sock->ifchange_obj = NULL;
|
|
sock->accept_recv_req = NULL;
|
|
init_async_queue( &sock->read_q );
|
|
init_async_queue( &sock->write_q );
|
|
init_async_queue( &sock->ifchange_q );
|
|
init_async_queue( &sock->accept_q );
|
|
memset( sock->errors, 0, sizeof(sock->errors) );
|
|
list_init( &sock->accept_list );
|
|
return sock;
|
|
}
|
|
|
|
static int get_unix_family( int family )
|
|
{
|
|
switch (family)
|
|
{
|
|
case WS_AF_INET: return AF_INET;
|
|
case WS_AF_INET6: return AF_INET6;
|
|
#ifdef HAS_IPX
|
|
case WS_AF_IPX: return AF_IPX;
|
|
#endif
|
|
#ifdef AF_IRDA
|
|
case WS_AF_IRDA: return AF_IRDA;
|
|
#endif
|
|
case WS_AF_UNSPEC: return AF_UNSPEC;
|
|
default: return -1;
|
|
}
|
|
}
|
|
|
|
static int get_unix_type( int type )
|
|
{
|
|
switch (type)
|
|
{
|
|
case WS_SOCK_DGRAM: return SOCK_DGRAM;
|
|
case WS_SOCK_RAW: return SOCK_RAW;
|
|
case WS_SOCK_STREAM: return SOCK_STREAM;
|
|
default: return -1;
|
|
}
|
|
}
|
|
|
|
static int get_unix_protocol( int protocol )
|
|
{
|
|
if (protocol >= WS_NSPROTO_IPX && protocol <= WS_NSPROTO_IPX + 255)
|
|
return protocol;
|
|
|
|
switch (protocol)
|
|
{
|
|
case WS_IPPROTO_ICMP: return IPPROTO_ICMP;
|
|
case WS_IPPROTO_IGMP: return IPPROTO_IGMP;
|
|
case WS_IPPROTO_IP: return IPPROTO_IP;
|
|
case WS_IPPROTO_IPV4: return IPPROTO_IPIP;
|
|
case WS_IPPROTO_IPV6: return IPPROTO_IPV6;
|
|
case WS_IPPROTO_RAW: return IPPROTO_RAW;
|
|
case WS_IPPROTO_TCP: return IPPROTO_TCP;
|
|
case WS_IPPROTO_UDP: return IPPROTO_UDP;
|
|
default: return -1;
|
|
}
|
|
}
|
|
|
|
static void set_dont_fragment( int fd, int level, int value )
|
|
{
|
|
int optname;
|
|
|
|
if (level == IPPROTO_IP)
|
|
{
|
|
#ifdef IP_DONTFRAG
|
|
optname = IP_DONTFRAG;
|
|
#elif defined(IP_MTU_DISCOVER) && defined(IP_PMTUDISC_DO) && defined(IP_PMTUDISC_DONT)
|
|
optname = IP_MTU_DISCOVER;
|
|
value = value ? IP_PMTUDISC_DO : IP_PMTUDISC_DONT;
|
|
#else
|
|
return;
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
#ifdef IPV6_DONTFRAG
|
|
optname = IPV6_DONTFRAG;
|
|
#elif defined(IPV6_MTU_DISCOVER) && defined(IPV6_PMTUDISC_DO) && defined(IPV6_PMTUDISC_DONT)
|
|
optname = IPV6_MTU_DISCOVER;
|
|
value = value ? IPV6_PMTUDISC_DO : IPV6_PMTUDISC_DONT;
|
|
#else
|
|
return;
|
|
#endif
|
|
}
|
|
|
|
setsockopt( fd, level, optname, &value, sizeof(value) );
|
|
}
|
|
|
|
static int init_socket( struct sock *sock, int family, int type, int protocol, unsigned int flags )
|
|
{
|
|
unsigned int options = 0;
|
|
int sockfd, unix_type, unix_family, unix_protocol;
|
|
|
|
unix_family = get_unix_family( family );
|
|
unix_type = get_unix_type( type );
|
|
unix_protocol = get_unix_protocol( protocol );
|
|
|
|
if (unix_protocol < 0)
|
|
{
|
|
if (type && unix_type < 0)
|
|
set_win32_error( WSAESOCKTNOSUPPORT );
|
|
else
|
|
set_win32_error( WSAEPROTONOSUPPORT );
|
|
return -1;
|
|
}
|
|
if (unix_family < 0)
|
|
{
|
|
if (family >= 0 && unix_type < 0)
|
|
set_win32_error( WSAESOCKTNOSUPPORT );
|
|
else
|
|
set_win32_error( WSAEAFNOSUPPORT );
|
|
return -1;
|
|
}
|
|
|
|
sockfd = socket( unix_family, unix_type, unix_protocol );
|
|
if (sockfd == -1)
|
|
{
|
|
if (errno == EINVAL) set_win32_error( WSAESOCKTNOSUPPORT );
|
|
else set_win32_error( sock_get_error( errno ));
|
|
return -1;
|
|
}
|
|
fcntl(sockfd, F_SETFL, O_NONBLOCK); /* make socket nonblocking */
|
|
|
|
if (family == WS_AF_IPX && protocol >= WS_NSPROTO_IPX && protocol <= WS_NSPROTO_IPX + 255)
|
|
{
|
|
#ifdef HAS_IPX
|
|
int ipx_type = protocol - WS_NSPROTO_IPX;
|
|
|
|
#ifdef SOL_IPX
|
|
setsockopt( sockfd, SOL_IPX, IPX_TYPE, &ipx_type, sizeof(ipx_type) );
|
|
#else
|
|
struct ipx val;
|
|
/* Should we retrieve val using a getsockopt call and then
|
|
* set the modified one? */
|
|
val.ipx_pt = ipx_type;
|
|
setsockopt( sockfd, 0, SO_DEFAULT_HEADERS, &val, sizeof(val) );
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
if (unix_family == AF_INET || unix_family == AF_INET6)
|
|
{
|
|
/* ensure IP_DONTFRAGMENT is disabled for SOCK_DGRAM and SOCK_RAW, enabled for SOCK_STREAM */
|
|
if (unix_type == SOCK_DGRAM || unix_type == SOCK_RAW) /* in Linux the global default can be enabled */
|
|
set_dont_fragment( sockfd, unix_family == AF_INET6 ? IPPROTO_IPV6 : IPPROTO_IP, FALSE );
|
|
else if (unix_type == SOCK_STREAM)
|
|
set_dont_fragment( sockfd, unix_family == AF_INET6 ? IPPROTO_IPV6 : IPPROTO_IP, TRUE );
|
|
}
|
|
|
|
#ifdef IPV6_V6ONLY
|
|
if (unix_family == AF_INET6)
|
|
{
|
|
static const int enable = 1;
|
|
setsockopt( sockfd, IPPROTO_IPV6, IPV6_V6ONLY, &enable, sizeof(enable) );
|
|
}
|
|
#endif
|
|
|
|
sock->state = (type != SOCK_STREAM) ? (FD_READ|FD_WRITE) : 0;
|
|
sock->flags = flags;
|
|
sock->proto = protocol;
|
|
sock->type = type;
|
|
sock->family = family;
|
|
|
|
if (sock->fd)
|
|
{
|
|
options = get_fd_options( sock->fd );
|
|
release_object( sock->fd );
|
|
}
|
|
|
|
if (!(sock->fd = create_anonymous_fd( &sock_fd_ops, sockfd, &sock->obj, options )))
|
|
{
|
|
return -1;
|
|
}
|
|
sock_reselect( sock );
|
|
return 0;
|
|
}
|
|
|
|
/* accepts a socket and inits it */
|
|
static int accept_new_fd( struct sock *sock )
|
|
{
|
|
|
|
/* Try to accept(2). We can't be safe that this an already connected socket
|
|
* or that accept() is allowed on it. In those cases we will get -1/errno
|
|
* return.
|
|
*/
|
|
struct sockaddr saddr;
|
|
socklen_t slen = sizeof(saddr);
|
|
int acceptfd = accept( get_unix_fd(sock->fd), &saddr, &slen );
|
|
if (acceptfd != -1)
|
|
fcntl( acceptfd, F_SETFL, O_NONBLOCK );
|
|
else
|
|
set_error( sock_get_ntstatus( errno ));
|
|
return acceptfd;
|
|
}
|
|
|
|
/* accept a socket (creates a new fd) */
|
|
static struct sock *accept_socket( struct sock *sock )
|
|
{
|
|
struct sock *acceptsock;
|
|
int acceptfd;
|
|
|
|
if (get_unix_fd( sock->fd ) == -1) return NULL;
|
|
|
|
if ( sock->deferred )
|
|
{
|
|
acceptsock = sock->deferred;
|
|
sock->deferred = NULL;
|
|
}
|
|
else
|
|
{
|
|
if ((acceptfd = accept_new_fd( sock )) == -1) return NULL;
|
|
if (!(acceptsock = create_socket()))
|
|
{
|
|
close( acceptfd );
|
|
return NULL;
|
|
}
|
|
|
|
/* newly created socket gets the same properties of the listening socket */
|
|
acceptsock->state = FD_WINE_CONNECTED|FD_READ|FD_WRITE;
|
|
if (sock->state & FD_WINE_NONBLOCKING)
|
|
acceptsock->state |= FD_WINE_NONBLOCKING;
|
|
acceptsock->mask = sock->mask;
|
|
acceptsock->proto = sock->proto;
|
|
acceptsock->type = sock->type;
|
|
acceptsock->family = sock->family;
|
|
acceptsock->window = sock->window;
|
|
acceptsock->message = sock->message;
|
|
acceptsock->connect_time = current_time;
|
|
if (sock->event) acceptsock->event = (struct event *)grab_object( sock->event );
|
|
acceptsock->flags = sock->flags;
|
|
if (!(acceptsock->fd = create_anonymous_fd( &sock_fd_ops, acceptfd, &acceptsock->obj,
|
|
get_fd_options( sock->fd ) )))
|
|
{
|
|
release_object( acceptsock );
|
|
return NULL;
|
|
}
|
|
}
|
|
clear_error();
|
|
sock->pending_events &= ~FD_ACCEPT;
|
|
sock->reported_events &= ~FD_ACCEPT;
|
|
sock_reselect( sock );
|
|
return acceptsock;
|
|
}
|
|
|
|
static int accept_into_socket( struct sock *sock, struct sock *acceptsock )
|
|
{
|
|
int acceptfd;
|
|
struct fd *newfd;
|
|
|
|
if (get_unix_fd( sock->fd ) == -1) return FALSE;
|
|
|
|
if ( sock->deferred )
|
|
{
|
|
newfd = dup_fd_object( sock->deferred->fd, 0, 0,
|
|
get_fd_options( acceptsock->fd ) );
|
|
if ( !newfd )
|
|
return FALSE;
|
|
|
|
set_fd_user( newfd, &sock_fd_ops, &acceptsock->obj );
|
|
|
|
release_object( sock->deferred );
|
|
sock->deferred = NULL;
|
|
}
|
|
else
|
|
{
|
|
if ((acceptfd = accept_new_fd( sock )) == -1)
|
|
return FALSE;
|
|
|
|
if (!(newfd = create_anonymous_fd( &sock_fd_ops, acceptfd, &acceptsock->obj,
|
|
get_fd_options( acceptsock->fd ) )))
|
|
return FALSE;
|
|
}
|
|
|
|
acceptsock->state |= FD_WINE_CONNECTED|FD_READ|FD_WRITE;
|
|
acceptsock->pending_events = 0;
|
|
acceptsock->reported_events = 0;
|
|
acceptsock->polling = 0;
|
|
acceptsock->proto = sock->proto;
|
|
acceptsock->type = sock->type;
|
|
acceptsock->family = sock->family;
|
|
acceptsock->wparam = 0;
|
|
acceptsock->deferred = NULL;
|
|
acceptsock->connect_time = current_time;
|
|
fd_copy_completion( acceptsock->fd, newfd );
|
|
release_object( acceptsock->fd );
|
|
acceptsock->fd = newfd;
|
|
|
|
clear_error();
|
|
sock->pending_events &= ~FD_ACCEPT;
|
|
sock->reported_events &= ~FD_ACCEPT;
|
|
sock_reselect( sock );
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* return an errno value mapped to a WSA error */
|
|
static unsigned int sock_get_error( int err )
|
|
{
|
|
switch (err)
|
|
{
|
|
case EINTR: return WSAEINTR;
|
|
case EBADF: return WSAEBADF;
|
|
case EPERM:
|
|
case EACCES: return WSAEACCES;
|
|
case EFAULT: return WSAEFAULT;
|
|
case EINVAL: return WSAEINVAL;
|
|
case EMFILE: return WSAEMFILE;
|
|
case EINPROGRESS:
|
|
case EWOULDBLOCK: return WSAEWOULDBLOCK;
|
|
case EALREADY: return WSAEALREADY;
|
|
case ENOTSOCK: return WSAENOTSOCK;
|
|
case EDESTADDRREQ: return WSAEDESTADDRREQ;
|
|
case EMSGSIZE: return WSAEMSGSIZE;
|
|
case EPROTOTYPE: return WSAEPROTOTYPE;
|
|
case ENOPROTOOPT: return WSAENOPROTOOPT;
|
|
case EPROTONOSUPPORT: return WSAEPROTONOSUPPORT;
|
|
case ESOCKTNOSUPPORT: return WSAESOCKTNOSUPPORT;
|
|
case EOPNOTSUPP: return WSAEOPNOTSUPP;
|
|
case EPFNOSUPPORT: return WSAEPFNOSUPPORT;
|
|
case EAFNOSUPPORT: return WSAEAFNOSUPPORT;
|
|
case EADDRINUSE: return WSAEADDRINUSE;
|
|
case EADDRNOTAVAIL: return WSAEADDRNOTAVAIL;
|
|
case ENETDOWN: return WSAENETDOWN;
|
|
case ENETUNREACH: return WSAENETUNREACH;
|
|
case ENETRESET: return WSAENETRESET;
|
|
case ECONNABORTED: return WSAECONNABORTED;
|
|
case EPIPE:
|
|
case ECONNRESET: return WSAECONNRESET;
|
|
case ENOBUFS: return WSAENOBUFS;
|
|
case EISCONN: return WSAEISCONN;
|
|
case ENOTCONN: return WSAENOTCONN;
|
|
case ESHUTDOWN: return WSAESHUTDOWN;
|
|
case ETOOMANYREFS: return WSAETOOMANYREFS;
|
|
case ETIMEDOUT: return WSAETIMEDOUT;
|
|
case ECONNREFUSED: return WSAECONNREFUSED;
|
|
case ELOOP: return WSAELOOP;
|
|
case ENAMETOOLONG: return WSAENAMETOOLONG;
|
|
case EHOSTDOWN: return WSAEHOSTDOWN;
|
|
case EHOSTUNREACH: return WSAEHOSTUNREACH;
|
|
case ENOTEMPTY: return WSAENOTEMPTY;
|
|
#ifdef EPROCLIM
|
|
case EPROCLIM: return WSAEPROCLIM;
|
|
#endif
|
|
#ifdef EUSERS
|
|
case EUSERS: return WSAEUSERS;
|
|
#endif
|
|
#ifdef EDQUOT
|
|
case EDQUOT: return WSAEDQUOT;
|
|
#endif
|
|
#ifdef ESTALE
|
|
case ESTALE: return WSAESTALE;
|
|
#endif
|
|
#ifdef EREMOTE
|
|
case EREMOTE: return WSAEREMOTE;
|
|
#endif
|
|
|
|
case 0: return 0;
|
|
default:
|
|
errno = err;
|
|
perror("wineserver: sock_get_error() can't map error");
|
|
return WSAEFAULT;
|
|
}
|
|
}
|
|
|
|
static int sock_get_ntstatus( int err )
|
|
{
|
|
switch ( err )
|
|
{
|
|
case EBADF: return STATUS_INVALID_HANDLE;
|
|
case EBUSY: return STATUS_DEVICE_BUSY;
|
|
case EPERM:
|
|
case EACCES: return STATUS_ACCESS_DENIED;
|
|
case EFAULT: return STATUS_ACCESS_VIOLATION;
|
|
case EINVAL: return STATUS_INVALID_PARAMETER;
|
|
case ENFILE:
|
|
case EMFILE: return STATUS_TOO_MANY_OPENED_FILES;
|
|
case EINPROGRESS:
|
|
case EWOULDBLOCK: return STATUS_DEVICE_NOT_READY;
|
|
case EALREADY: return STATUS_NETWORK_BUSY;
|
|
case ENOTSOCK: return STATUS_OBJECT_TYPE_MISMATCH;
|
|
case EDESTADDRREQ: return STATUS_INVALID_PARAMETER;
|
|
case EMSGSIZE: return STATUS_BUFFER_OVERFLOW;
|
|
case EPROTONOSUPPORT:
|
|
case ESOCKTNOSUPPORT:
|
|
case EPFNOSUPPORT:
|
|
case EAFNOSUPPORT:
|
|
case EPROTOTYPE: return STATUS_NOT_SUPPORTED;
|
|
case ENOPROTOOPT: return STATUS_INVALID_PARAMETER;
|
|
case EOPNOTSUPP: return STATUS_NOT_SUPPORTED;
|
|
case EADDRINUSE: return STATUS_SHARING_VIOLATION;
|
|
case EADDRNOTAVAIL: return STATUS_INVALID_PARAMETER;
|
|
case ECONNREFUSED: return STATUS_CONNECTION_REFUSED;
|
|
case ESHUTDOWN: return STATUS_PIPE_DISCONNECTED;
|
|
case ENOTCONN: return STATUS_INVALID_CONNECTION;
|
|
case ETIMEDOUT: return STATUS_IO_TIMEOUT;
|
|
case ENETUNREACH: return STATUS_NETWORK_UNREACHABLE;
|
|
case EHOSTUNREACH: return STATUS_HOST_UNREACHABLE;
|
|
case ENETDOWN: return STATUS_NETWORK_BUSY;
|
|
case EPIPE:
|
|
case ECONNRESET: return STATUS_CONNECTION_RESET;
|
|
case ECONNABORTED: return STATUS_CONNECTION_ABORTED;
|
|
|
|
case 0: return STATUS_SUCCESS;
|
|
default:
|
|
errno = err;
|
|
perror("wineserver: sock_get_ntstatus() can't map error");
|
|
return STATUS_UNSUCCESSFUL;
|
|
}
|
|
}
|
|
|
|
static struct accept_req *alloc_accept_req( struct sock *sock, struct sock *acceptsock, struct async *async,
|
|
const struct afd_accept_into_params *params )
|
|
{
|
|
struct accept_req *req = mem_alloc( sizeof(*req) );
|
|
|
|
if (req)
|
|
{
|
|
req->async = (struct async *)grab_object( async );
|
|
req->iosb = async_get_iosb( async );
|
|
req->sock = (struct sock *)grab_object( sock );
|
|
req->acceptsock = acceptsock;
|
|
if (acceptsock) grab_object( acceptsock );
|
|
req->accepted = 0;
|
|
req->recv_len = 0;
|
|
req->local_len = 0;
|
|
if (params)
|
|
{
|
|
req->recv_len = params->recv_len;
|
|
req->local_len = params->local_len;
|
|
}
|
|
}
|
|
return req;
|
|
}
|
|
|
|
static int sock_ioctl( struct fd *fd, ioctl_code_t code, struct async *async )
|
|
{
|
|
struct sock *sock = get_fd_user( fd );
|
|
|
|
assert( sock->obj.ops == &sock_ops );
|
|
|
|
if (code != IOCTL_AFD_CREATE && get_unix_fd( fd ) < 0) return 0;
|
|
|
|
switch(code)
|
|
{
|
|
case IOCTL_AFD_CREATE:
|
|
{
|
|
const struct afd_create_params *params = get_req_data();
|
|
|
|
if (get_req_data_size() != sizeof(*params))
|
|
{
|
|
set_error( STATUS_INVALID_PARAMETER );
|
|
return 0;
|
|
}
|
|
init_socket( sock, params->family, params->type, params->protocol, params->flags );
|
|
return 0;
|
|
}
|
|
|
|
case IOCTL_AFD_ACCEPT:
|
|
{
|
|
struct sock *acceptsock;
|
|
obj_handle_t handle;
|
|
|
|
if (get_reply_max_size() != sizeof(handle))
|
|
{
|
|
set_error( STATUS_BUFFER_TOO_SMALL );
|
|
return 0;
|
|
}
|
|
|
|
if (!(acceptsock = accept_socket( sock )))
|
|
{
|
|
struct accept_req *req;
|
|
|
|
if (sock->state & FD_WINE_NONBLOCKING) return 0;
|
|
if (get_error() != STATUS_DEVICE_NOT_READY) return 0;
|
|
|
|
if (!(req = alloc_accept_req( sock, NULL, async, NULL ))) return 0;
|
|
list_add_tail( &sock->accept_list, &req->entry );
|
|
|
|
async_set_completion_callback( async, free_accept_req, req );
|
|
queue_async( &sock->accept_q, async );
|
|
sock_reselect( sock );
|
|
set_error( STATUS_PENDING );
|
|
return 1;
|
|
}
|
|
handle = alloc_handle( current->process, &acceptsock->obj,
|
|
GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE, OBJ_INHERIT );
|
|
acceptsock->wparam = handle;
|
|
release_object( acceptsock );
|
|
set_reply_data( &handle, sizeof(handle) );
|
|
return 0;
|
|
}
|
|
|
|
case IOCTL_AFD_ACCEPT_INTO:
|
|
{
|
|
static const int access = FILE_READ_ATTRIBUTES | FILE_WRITE_ATTRIBUTES | FILE_READ_DATA;
|
|
const struct afd_accept_into_params *params = get_req_data();
|
|
struct sock *acceptsock;
|
|
unsigned int remote_len;
|
|
struct accept_req *req;
|
|
|
|
if (get_req_data_size() != sizeof(*params) ||
|
|
get_reply_max_size() < params->recv_len ||
|
|
get_reply_max_size() - params->recv_len < params->local_len)
|
|
{
|
|
set_error( STATUS_BUFFER_TOO_SMALL );
|
|
return 0;
|
|
}
|
|
|
|
remote_len = get_reply_max_size() - params->recv_len - params->local_len;
|
|
if (remote_len < sizeof(int))
|
|
{
|
|
set_error( STATUS_INVALID_PARAMETER );
|
|
return 0;
|
|
}
|
|
|
|
if (!(acceptsock = (struct sock *)get_handle_obj( current->process, params->accept_handle, access, &sock_ops )))
|
|
return 0;
|
|
|
|
if (acceptsock->accept_recv_req)
|
|
{
|
|
release_object( acceptsock );
|
|
set_error( STATUS_INVALID_PARAMETER );
|
|
return 0;
|
|
}
|
|
|
|
if (!(req = alloc_accept_req( sock, acceptsock, async, params )))
|
|
{
|
|
release_object( acceptsock );
|
|
return 0;
|
|
}
|
|
list_add_tail( &sock->accept_list, &req->entry );
|
|
acceptsock->accept_recv_req = req;
|
|
release_object( acceptsock );
|
|
|
|
acceptsock->wparam = params->accept_handle;
|
|
async_set_completion_callback( async, free_accept_req, req );
|
|
queue_async( &sock->accept_q, async );
|
|
sock_reselect( sock );
|
|
set_error( STATUS_PENDING );
|
|
return 1;
|
|
}
|
|
|
|
case IOCTL_AFD_ADDRESS_LIST_CHANGE:
|
|
if ((sock->state & FD_WINE_NONBLOCKING) && async_is_blocking( async ))
|
|
{
|
|
set_error( STATUS_DEVICE_NOT_READY );
|
|
return 0;
|
|
}
|
|
if (!sock_get_ifchange( sock )) return 0;
|
|
queue_async( &sock->ifchange_q, async );
|
|
set_error( STATUS_PENDING );
|
|
return 1;
|
|
|
|
default:
|
|
set_error( STATUS_NOT_SUPPORTED );
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
#ifdef HAVE_LINUX_RTNETLINK_H
|
|
|
|
/* only keep one ifchange object around, all sockets waiting for wakeups will look to it */
|
|
static struct object *ifchange_object;
|
|
|
|
static void ifchange_dump( struct object *obj, int verbose );
|
|
static struct fd *ifchange_get_fd( struct object *obj );
|
|
static void ifchange_destroy( struct object *obj );
|
|
|
|
static int ifchange_get_poll_events( struct fd *fd );
|
|
static void ifchange_poll_event( struct fd *fd, int event );
|
|
|
|
struct ifchange
|
|
{
|
|
struct object obj; /* object header */
|
|
struct fd *fd; /* interface change file descriptor */
|
|
struct list sockets; /* list of sockets to send interface change notifications */
|
|
};
|
|
|
|
static const struct object_ops ifchange_ops =
|
|
{
|
|
sizeof(struct ifchange), /* size */
|
|
&no_type, /* type */
|
|
ifchange_dump, /* dump */
|
|
no_add_queue, /* add_queue */
|
|
NULL, /* remove_queue */
|
|
NULL, /* signaled */
|
|
no_satisfied, /* satisfied */
|
|
no_signal, /* signal */
|
|
ifchange_get_fd, /* get_fd */
|
|
default_map_access, /* map_access */
|
|
default_get_sd, /* get_sd */
|
|
default_set_sd, /* set_sd */
|
|
no_get_full_name, /* get_full_name */
|
|
no_lookup_name, /* lookup_name */
|
|
no_link_name, /* link_name */
|
|
NULL, /* unlink_name */
|
|
no_open_file, /* open_file */
|
|
no_kernel_obj_list, /* get_kernel_obj_list */
|
|
no_close_handle, /* close_handle */
|
|
ifchange_destroy /* destroy */
|
|
};
|
|
|
|
static const struct fd_ops ifchange_fd_ops =
|
|
{
|
|
ifchange_get_poll_events, /* get_poll_events */
|
|
ifchange_poll_event, /* poll_event */
|
|
NULL, /* get_fd_type */
|
|
no_fd_read, /* read */
|
|
no_fd_write, /* write */
|
|
no_fd_flush, /* flush */
|
|
no_fd_get_file_info, /* get_file_info */
|
|
no_fd_get_volume_info, /* get_volume_info */
|
|
no_fd_ioctl, /* ioctl */
|
|
NULL, /* queue_async */
|
|
NULL /* reselect_async */
|
|
};
|
|
|
|
static void ifchange_dump( struct object *obj, int verbose )
|
|
{
|
|
assert( obj->ops == &ifchange_ops );
|
|
fprintf( stderr, "Interface change\n" );
|
|
}
|
|
|
|
static struct fd *ifchange_get_fd( struct object *obj )
|
|
{
|
|
struct ifchange *ifchange = (struct ifchange *)obj;
|
|
return (struct fd *)grab_object( ifchange->fd );
|
|
}
|
|
|
|
static void ifchange_destroy( struct object *obj )
|
|
{
|
|
struct ifchange *ifchange = (struct ifchange *)obj;
|
|
assert( obj->ops == &ifchange_ops );
|
|
|
|
release_object( ifchange->fd );
|
|
|
|
/* reset the global ifchange object so that it will be recreated if it is needed again */
|
|
assert( obj == ifchange_object );
|
|
ifchange_object = NULL;
|
|
}
|
|
|
|
static int ifchange_get_poll_events( struct fd *fd )
|
|
{
|
|
return POLLIN;
|
|
}
|
|
|
|
/* wake up all the sockets waiting for a change notification event */
|
|
static void ifchange_wake_up( struct object *obj, unsigned int status )
|
|
{
|
|
struct ifchange *ifchange = (struct ifchange *)obj;
|
|
struct list *ptr, *next;
|
|
assert( obj->ops == &ifchange_ops );
|
|
assert( obj == ifchange_object );
|
|
|
|
LIST_FOR_EACH_SAFE( ptr, next, &ifchange->sockets )
|
|
{
|
|
struct sock *sock = LIST_ENTRY( ptr, struct sock, ifchange_entry );
|
|
|
|
assert( sock->ifchange_obj );
|
|
async_wake_up( &sock->ifchange_q, status ); /* issue ifchange notification for the socket */
|
|
sock_release_ifchange( sock ); /* remove socket from list and decrement ifchange refcount */
|
|
}
|
|
}
|
|
|
|
static void ifchange_poll_event( struct fd *fd, int event )
|
|
{
|
|
struct object *ifchange = get_fd_user( fd );
|
|
unsigned int status = STATUS_PENDING;
|
|
char buffer[PIPE_BUF];
|
|
int r;
|
|
|
|
r = recv( get_unix_fd(fd), buffer, sizeof(buffer), MSG_DONTWAIT );
|
|
if (r < 0)
|
|
{
|
|
if (errno == EWOULDBLOCK || (EWOULDBLOCK != EAGAIN && errno == EAGAIN))
|
|
return; /* retry when poll() says the socket is ready */
|
|
status = sock_get_ntstatus( errno );
|
|
}
|
|
else if (r > 0)
|
|
{
|
|
struct nlmsghdr *nlh;
|
|
|
|
for (nlh = (struct nlmsghdr *)buffer; NLMSG_OK(nlh, r); nlh = NLMSG_NEXT(nlh, r))
|
|
{
|
|
if (nlh->nlmsg_type == NLMSG_DONE)
|
|
break;
|
|
if (nlh->nlmsg_type == RTM_NEWADDR || nlh->nlmsg_type == RTM_DELADDR)
|
|
status = STATUS_SUCCESS;
|
|
}
|
|
}
|
|
else status = STATUS_CANCELLED;
|
|
|
|
if (status != STATUS_PENDING) ifchange_wake_up( ifchange, status );
|
|
}
|
|
|
|
#endif
|
|
|
|
/* we only need one of these interface notification objects, all of the sockets dependent upon
|
|
* it will wake up when a notification event occurs */
|
|
static struct object *get_ifchange( void )
|
|
{
|
|
#ifdef HAVE_LINUX_RTNETLINK_H
|
|
struct ifchange *ifchange;
|
|
struct sockaddr_nl addr;
|
|
int unix_fd;
|
|
|
|
if (ifchange_object)
|
|
{
|
|
/* increment the refcount for each socket that uses the ifchange object */
|
|
return grab_object( ifchange_object );
|
|
}
|
|
|
|
/* create the socket we need for processing interface change notifications */
|
|
unix_fd = socket( PF_NETLINK, SOCK_RAW, NETLINK_ROUTE );
|
|
if (unix_fd == -1)
|
|
{
|
|
set_error( sock_get_ntstatus( errno ));
|
|
return NULL;
|
|
}
|
|
fcntl( unix_fd, F_SETFL, O_NONBLOCK ); /* make socket nonblocking */
|
|
memset( &addr, 0, sizeof(addr) );
|
|
addr.nl_family = AF_NETLINK;
|
|
addr.nl_groups = RTMGRP_IPV4_IFADDR;
|
|
/* bind the socket to the special netlink kernel interface */
|
|
if (bind( unix_fd, (struct sockaddr *)&addr, sizeof(addr) ) == -1)
|
|
{
|
|
close( unix_fd );
|
|
set_error( sock_get_ntstatus( errno ));
|
|
return NULL;
|
|
}
|
|
if (!(ifchange = alloc_object( &ifchange_ops )))
|
|
{
|
|
close( unix_fd );
|
|
set_error( STATUS_NO_MEMORY );
|
|
return NULL;
|
|
}
|
|
list_init( &ifchange->sockets );
|
|
if (!(ifchange->fd = create_anonymous_fd( &ifchange_fd_ops, unix_fd, &ifchange->obj, 0 )))
|
|
{
|
|
release_object( ifchange );
|
|
set_error( STATUS_NO_MEMORY );
|
|
return NULL;
|
|
}
|
|
set_fd_events( ifchange->fd, POLLIN ); /* enable read wakeup on the file descriptor */
|
|
|
|
/* the ifchange object is now successfully configured */
|
|
ifchange_object = &ifchange->obj;
|
|
return &ifchange->obj;
|
|
#else
|
|
set_error( STATUS_NOT_SUPPORTED );
|
|
return NULL;
|
|
#endif
|
|
}
|
|
|
|
/* add the socket to the interface change notification list */
|
|
static void ifchange_add_sock( struct object *obj, struct sock *sock )
|
|
{
|
|
#ifdef HAVE_LINUX_RTNETLINK_H
|
|
struct ifchange *ifchange = (struct ifchange *)obj;
|
|
|
|
list_add_tail( &ifchange->sockets, &sock->ifchange_entry );
|
|
#endif
|
|
}
|
|
|
|
/* create a new ifchange queue for a specific socket or, if one already exists, reuse the existing one */
|
|
static struct object *sock_get_ifchange( struct sock *sock )
|
|
{
|
|
struct object *ifchange;
|
|
|
|
if (sock->ifchange_obj) /* reuse existing ifchange_obj for this socket */
|
|
return sock->ifchange_obj;
|
|
|
|
if (!(ifchange = get_ifchange()))
|
|
return NULL;
|
|
|
|
/* add the socket to the ifchange notification list */
|
|
ifchange_add_sock( ifchange, sock );
|
|
sock->ifchange_obj = ifchange;
|
|
return ifchange;
|
|
}
|
|
|
|
/* destroy an existing ifchange queue for a specific socket */
|
|
static void sock_release_ifchange( struct sock *sock )
|
|
{
|
|
if (sock->ifchange_obj)
|
|
{
|
|
list_remove( &sock->ifchange_entry );
|
|
release_object( sock->ifchange_obj );
|
|
sock->ifchange_obj = NULL;
|
|
}
|
|
}
|
|
|
|
static void socket_device_dump( struct object *obj, int verbose );
|
|
static struct object *socket_device_lookup_name( struct object *obj, struct unicode_str *name,
|
|
unsigned int attr, struct object *root );
|
|
static struct object *socket_device_open_file( struct object *obj, unsigned int access,
|
|
unsigned int sharing, unsigned int options );
|
|
|
|
static const struct object_ops socket_device_ops =
|
|
{
|
|
sizeof(struct object), /* size */
|
|
&device_type, /* type */
|
|
socket_device_dump, /* dump */
|
|
no_add_queue, /* add_queue */
|
|
NULL, /* remove_queue */
|
|
NULL, /* signaled */
|
|
no_satisfied, /* satisfied */
|
|
no_signal, /* signal */
|
|
no_get_fd, /* get_fd */
|
|
default_map_access, /* map_access */
|
|
default_get_sd, /* get_sd */
|
|
default_set_sd, /* set_sd */
|
|
default_get_full_name, /* get_full_name */
|
|
socket_device_lookup_name, /* lookup_name */
|
|
directory_link_name, /* link_name */
|
|
default_unlink_name, /* unlink_name */
|
|
socket_device_open_file, /* open_file */
|
|
no_kernel_obj_list, /* get_kernel_obj_list */
|
|
no_close_handle, /* close_handle */
|
|
no_destroy /* destroy */
|
|
};
|
|
|
|
static void socket_device_dump( struct object *obj, int verbose )
|
|
{
|
|
fputs( "Socket device\n", stderr );
|
|
}
|
|
|
|
static struct object *socket_device_lookup_name( struct object *obj, struct unicode_str *name,
|
|
unsigned int attr, struct object *root )
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
static struct object *socket_device_open_file( struct object *obj, unsigned int access,
|
|
unsigned int sharing, unsigned int options )
|
|
{
|
|
struct sock *sock;
|
|
|
|
if (!(sock = create_socket())) return NULL;
|
|
if (!(sock->fd = alloc_pseudo_fd( &sock_fd_ops, &sock->obj, options )))
|
|
{
|
|
release_object( sock );
|
|
return NULL;
|
|
}
|
|
return &sock->obj;
|
|
}
|
|
|
|
struct object *create_socket_device( struct object *root, const struct unicode_str *name,
|
|
unsigned int attr, const struct security_descriptor *sd )
|
|
{
|
|
return create_named_object( root, &socket_device_ops, name, attr, sd );
|
|
}
|
|
|
|
/* set socket event parameters */
|
|
DECL_HANDLER(set_socket_event)
|
|
{
|
|
struct sock *sock;
|
|
struct event *old_event;
|
|
|
|
if (!(sock = (struct sock *)get_handle_obj( current->process, req->handle,
|
|
FILE_WRITE_ATTRIBUTES, &sock_ops))) return;
|
|
if (get_unix_fd( sock->fd ) == -1) return;
|
|
old_event = sock->event;
|
|
sock->mask = req->mask;
|
|
sock->reported_events &= ~req->mask; /* re-enable held events */
|
|
sock->event = NULL;
|
|
sock->window = req->window;
|
|
sock->message = req->msg;
|
|
sock->wparam = req->handle; /* wparam is the socket handle */
|
|
if (req->event) sock->event = get_event_obj( current->process, req->event, EVENT_MODIFY_STATE );
|
|
|
|
if (debug_level && sock->event) fprintf(stderr, "event ptr: %p\n", sock->event);
|
|
|
|
sock_reselect( sock );
|
|
|
|
sock->state |= FD_WINE_NONBLOCKING;
|
|
|
|
/* if a network event is pending, signal the event object
|
|
it is possible that FD_CONNECT or FD_ACCEPT network events has happened
|
|
before a WSAEventSelect() was done on it.
|
|
(when dealing with Asynchronous socket) */
|
|
sock_wake_up( sock );
|
|
|
|
if (old_event) release_object( old_event ); /* we're through with it */
|
|
release_object( &sock->obj );
|
|
}
|
|
|
|
/* get socket event parameters */
|
|
DECL_HANDLER(get_socket_event)
|
|
{
|
|
struct sock *sock;
|
|
|
|
if (!(sock = (struct sock *)get_handle_obj( current->process, req->handle,
|
|
FILE_READ_ATTRIBUTES, &sock_ops ))) return;
|
|
if (get_unix_fd( sock->fd ) == -1) return;
|
|
reply->mask = sock->mask;
|
|
reply->pmask = sock->pending_events;
|
|
reply->state = sock->state;
|
|
set_reply_data( sock->errors, min( get_reply_max_size(), sizeof(sock->errors) ));
|
|
|
|
if (req->service)
|
|
{
|
|
if (req->c_event)
|
|
{
|
|
struct event *cevent = get_event_obj( current->process, req->c_event,
|
|
EVENT_MODIFY_STATE );
|
|
if (cevent)
|
|
{
|
|
reset_event( cevent );
|
|
release_object( cevent );
|
|
}
|
|
}
|
|
sock->pending_events = 0;
|
|
sock_reselect( sock );
|
|
}
|
|
release_object( &sock->obj );
|
|
}
|
|
|
|
/* re-enable pending socket events */
|
|
DECL_HANDLER(enable_socket_event)
|
|
{
|
|
struct sock *sock;
|
|
|
|
if (!(sock = (struct sock*)get_handle_obj( current->process, req->handle,
|
|
FILE_WRITE_ATTRIBUTES, &sock_ops)))
|
|
return;
|
|
|
|
if (get_unix_fd( sock->fd ) == -1) return;
|
|
|
|
/* for event-based notification, windows erases stale events */
|
|
sock->pending_events &= ~req->mask;
|
|
|
|
sock->reported_events &= ~req->mask;
|
|
sock->state |= req->sstate;
|
|
sock->state &= ~req->cstate;
|
|
if (sock->type != WS_SOCK_STREAM) sock->state &= ~STREAM_FLAG_MASK;
|
|
|
|
sock_reselect( sock );
|
|
|
|
release_object( &sock->obj );
|
|
}
|
|
|
|
DECL_HANDLER(set_socket_deferred)
|
|
{
|
|
struct sock *sock, *acceptsock;
|
|
|
|
sock=(struct sock *)get_handle_obj( current->process, req->handle, FILE_WRITE_ATTRIBUTES, &sock_ops );
|
|
if ( !sock )
|
|
return;
|
|
|
|
acceptsock = (struct sock *)get_handle_obj( current->process, req->deferred, 0, &sock_ops );
|
|
if ( !acceptsock )
|
|
{
|
|
release_object( sock );
|
|
return;
|
|
}
|
|
sock->deferred = acceptsock;
|
|
release_object( sock );
|
|
}
|
|
|
|
DECL_HANDLER(get_socket_info)
|
|
{
|
|
struct sock *sock;
|
|
|
|
sock = (struct sock *)get_handle_obj( current->process, req->handle, FILE_READ_ATTRIBUTES, &sock_ops );
|
|
if (!sock) return;
|
|
|
|
if (get_unix_fd( sock->fd ) == -1) return;
|
|
|
|
reply->family = sock->family;
|
|
reply->type = sock->type;
|
|
reply->protocol = sock->proto;
|
|
|
|
release_object( &sock->obj );
|
|
}
|