mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-20 06:53:33 +08:00
111 lines
3.3 KiB
C
111 lines
3.3 KiB
C
/* Copyright (C) 1992, 1994, 1995 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 Library General Public License as
|
|
published by the Free Software Foundation; either version 2 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If
|
|
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
|
|
Cambridge, MA 02139, USA. */
|
|
|
|
#include <ansidecl.h>
|
|
#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
|
|
DEFUN(bind, (fd, addr, len),
|
|
int fd AND struct sockaddr *addr AND size_t len)
|
|
{
|
|
addr_port_t aport;
|
|
error_t err;
|
|
|
|
if (addr->sa_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. */
|
|
struct sockaddr_un *unaddr = (struct sockaddr_un *) addr;
|
|
file_t dir, node;
|
|
char name[len - offsetof (struct sockaddr_un, sun_path)], *n;
|
|
strncpy (name, unaddr->sun_path, sizeof name);
|
|
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)
|
|
{
|
|
file_t ifsock;
|
|
/* 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)
|
|
/* Link the node, now a socket, into the target directory. */
|
|
err = __dir_link (dir, node, n);
|
|
__mach_port_deallocate (__mach_task_self (), node);
|
|
if (! err)
|
|
{
|
|
/* Get a port to the ifsock translator. */
|
|
ifsock = __file_name_lookup_under (dir, n, 0, 0);
|
|
if (ifsock == MACH_PORT_NULL)
|
|
{
|
|
err = errno;
|
|
/* If we failed, get rid of the node we created. */
|
|
__dir_unlink (dir, n);
|
|
}
|
|
}
|
|
if (! err)
|
|
/* Get the address port. */
|
|
err = __ifsock_getsockaddr (ifsock, &aport);
|
|
__mach_port_deallocate (__mach_task_self (), ifsock);
|
|
}
|
|
__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->sa_family,
|
|
(char *) addr, len,
|
|
&aport, 1);
|
|
if (! err)
|
|
{
|
|
err = __socket_bind (port, aport);
|
|
__mach_port_deallocate (__mach_task_self (),
|
|
aport);
|
|
}
|
|
err;
|
|
}));
|
|
|
|
return err ? __hurd_dfail (fd, err) : 0;
|
|
}
|