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85 lines
2.6 KiB
C
85 lines
2.6 KiB
C
/* Copyright (C) 1992-2023 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C 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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The GNU C 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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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <hurd.h>
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#include <hurd/fd.h>
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#include <sys/socket.h>
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#include <hurd/socket.h>
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#include <sys/un.h>
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#include <hurd/ifsock.h>
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#include <sysdep-cancel.h>
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#include "hurd/hurdsocket.h"
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/* Open a connection on socket FD to peer at ADDR (which LEN bytes long).
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For connectionless socket types, just set the default address to send to
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and the only address from which to accept transmissions.
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Return 0 on success, -1 for errors. */
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int
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__connect (int fd, __CONST_SOCKADDR_ARG addrarg, socklen_t len)
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{
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error_t err;
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addr_port_t aport;
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const struct sockaddr_un *addr = addrarg.__sockaddr_un__;
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int cancel_oldtype;
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if (addr->sun_family == AF_LOCAL)
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{
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char *name = _hurd_sun_path_dupa (addr, len);
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/* For the local domain, we must look up the name as a file and talk
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to it with the ifsock protocol. */
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file_t file;
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cancel_oldtype = LIBC_CANCEL_ASYNC();
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file = __file_name_lookup (name, 0, 0);
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LIBC_CANCEL_RESET (cancel_oldtype);
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if (file == MACH_PORT_NULL)
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return -1;
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err = __ifsock_getsockaddr (file, &aport);
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__mach_port_deallocate (__mach_task_self (), file);
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if (err == MIG_BAD_ID || err == EOPNOTSUPP)
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/* The file did not grok the ifsock protocol. */
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err = ENOTSOCK;
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if (err)
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return __hurd_fail (err);
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}
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else
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err = EIEIO;
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err = HURD_DPORT_USE_CANCEL (fd,
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({
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if (err)
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err = __socket_create_address (port,
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addr->sun_family,
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(char *) addr, len,
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&aport);
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if (! err)
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{
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cancel_oldtype = LIBC_CANCEL_ASYNC();
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err = __socket_connect (port, aport);
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LIBC_CANCEL_RESET (cancel_oldtype);
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__mach_port_deallocate (__mach_task_self (),
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aport);
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}
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err;
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}));
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return err ? __hurd_dfail (fd, err) : 0;
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}
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libc_hidden_def (__connect)
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weak_alias (__connect, connect)
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