mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-20 15:03:30 +08:00
121 lines
3.6 KiB
C
121 lines
3.6 KiB
C
/* Copyright (C) 1992-2014 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <errno.h>
|
|
#include <sys/socket.h>
|
|
#include <hurd.h>
|
|
#include <hurd/fd.h>
|
|
#include <hurd/socket.h>
|
|
#include <hurd/paths.h>
|
|
#include <fcntl.h>
|
|
#include <stddef.h>
|
|
#include <hurd/ifsock.h>
|
|
#include <sys/un.h>
|
|
#include <string.h>
|
|
|
|
/* Give the socket FD the local address ADDR (which is LEN bytes long). */
|
|
int
|
|
__bind (int fd, __CONST_SOCKADDR_ARG addrarg, socklen_t len)
|
|
{
|
|
addr_port_t aport;
|
|
error_t err;
|
|
const struct sockaddr_un *addr = addrarg.__sockaddr_un__;
|
|
|
|
if (addr->sun_family == AF_LOCAL)
|
|
{
|
|
/* For the local domain, we must create a node in the filesystem
|
|
using the ifsock translator and then fetch the address from it. */
|
|
file_t dir, node, ifsock;
|
|
char name[len - offsetof (struct sockaddr_un, sun_path) + 1], *n;
|
|
|
|
strncpy (name, addr->sun_path, sizeof name - 1);
|
|
name[sizeof name - 1] = '\0'; /* Make sure */
|
|
|
|
dir = __file_name_split (name, &n);
|
|
if (dir == MACH_PORT_NULL)
|
|
return -1;
|
|
|
|
/* Create a new, unlinked node in the target directory. */
|
|
err = __dir_mkfile (dir, O_CREAT, 0666 & ~_hurd_umask, &node);
|
|
|
|
if (! err)
|
|
{
|
|
/* Set the node's translator to make it a local-domain socket. */
|
|
err = __file_set_translator (node,
|
|
FS_TRANS_EXCL | FS_TRANS_SET,
|
|
FS_TRANS_EXCL | FS_TRANS_SET, 0,
|
|
_HURD_IFSOCK, sizeof _HURD_IFSOCK,
|
|
MACH_PORT_NULL,
|
|
MACH_MSG_TYPE_COPY_SEND);
|
|
if (! err)
|
|
{
|
|
enum retry_type doretry;
|
|
char retryname[1024];
|
|
/* Get a port to the ifsock translator. */
|
|
err = __dir_lookup (node, "", 0, 0, &doretry, retryname, &ifsock);
|
|
if (! err && (doretry != FS_RETRY_NORMAL || retryname[0] != '\0'))
|
|
err = EADDRINUSE;
|
|
}
|
|
if (! err)
|
|
{
|
|
/* Get the address port. */
|
|
err = __ifsock_getsockaddr (ifsock, &aport);
|
|
if (err == MIG_BAD_ID || err == EOPNOTSUPP)
|
|
err = EGRATUITOUS;
|
|
if (! err)
|
|
{
|
|
/* Link the node, now a socket with proper mode, into the
|
|
target directory. */
|
|
err = __dir_link (dir, node, n, 1);
|
|
if (err == EEXIST)
|
|
err = EADDRINUSE;
|
|
if (err)
|
|
__mach_port_deallocate (__mach_task_self (), aport);
|
|
}
|
|
__mach_port_deallocate (__mach_task_self (), ifsock);
|
|
}
|
|
__mach_port_deallocate (__mach_task_self (), node);
|
|
}
|
|
__mach_port_deallocate (__mach_task_self (), dir);
|
|
|
|
if (err)
|
|
return __hurd_fail (err);
|
|
}
|
|
else
|
|
err = EIEIO;
|
|
|
|
err = HURD_DPORT_USE (fd,
|
|
({
|
|
if (err)
|
|
err = __socket_create_address (port,
|
|
addr->sun_family,
|
|
(char *) addr, len,
|
|
&aport);
|
|
if (! err)
|
|
{
|
|
err = __socket_bind (port, aport);
|
|
__mach_port_deallocate (__mach_task_self (),
|
|
aport);
|
|
}
|
|
err;
|
|
}));
|
|
|
|
return err ? __hurd_dfail (fd, err) : 0;
|
|
}
|
|
|
|
weak_alias (__bind, bind)
|