1 /* Copyright (C) 1992, 94, 95, 96, 97, 98 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If not,
16 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA. */
20 #include <sys/socket.h>
23 #include <hurd/socket.h>
24 #include <hurd/paths.h>
27 #include <hurd/ifsock.h>
31 /* Give the socket FD the local address ADDR (which is LEN bytes long). */
33 bind (fd
, addrarg
, len
)
35 __CONST_SOCKADDR_ARG addrarg
;
40 const struct sockaddr_un
*addr
= addrarg
.__sockaddr_un__
;
42 if (addr
->sun_family
== AF_LOCAL
)
44 /* For the local domain, we must create a node in the filesystem
45 using the ifsock translator and then fetch the address from it. */
47 char name
[len
- offsetof (struct sockaddr_un
, sun_path
) + 1], *n
;
49 strncpy (name
, addr
->sun_path
, sizeof name
- 1);
50 name
[sizeof name
- 1] = '\0'; /* Make sure */
52 dir
= __file_name_split (name
, &n
);
53 if (dir
== MACH_PORT_NULL
)
56 /* Create a new, unlinked node in the target directory. */
57 err
= __dir_mkfile (dir
, O_CREAT
, 0666 & ~_hurd_umask
, &node
);
62 /* Set the node's translator to make it a local-domain socket. */
63 err
= __file_set_translator (node
,
64 FS_TRANS_EXCL
| FS_TRANS_SET
,
65 FS_TRANS_EXCL
| FS_TRANS_SET
, 0,
66 _HURD_IFSOCK
, sizeof _HURD_IFSOCK
,
68 MACH_MSG_TYPE_COPY_SEND
);
71 /* Link the node, now a socket, into the target directory. */
72 err
= __dir_link (dir
, node
, n
, 1);
76 __mach_port_deallocate (__mach_task_self (), node
);
79 /* Get a port to the ifsock translator. */
80 ifsock
= __file_name_lookup_under (dir
, n
, 0, 0);
81 if (ifsock
== MACH_PORT_NULL
)
84 /* If we failed, get rid of the node we created. */
85 __dir_unlink (dir
, n
);
90 /* Get the address port. */
91 err
= __ifsock_getsockaddr (ifsock
, &aport
);
92 if (err
== MIG_BAD_ID
|| err
== EOPNOTSUPP
)
93 /* We are not talking to /hurd/ifsock. Probably someone
94 came in after we linked our node, unlinked it, and
95 replaced it with a different node, before we did our
96 lookup. Treat it as if our link had failed with EEXIST. */
99 __mach_port_deallocate (__mach_task_self (), ifsock
);
101 __mach_port_deallocate (__mach_task_self (), dir
);
104 return __hurd_fail (err
);
109 err
= HURD_DPORT_USE (fd
,
112 err
= __socket_create_address (port
,
118 err
= __socket_bind (port
, aport
);
119 __mach_port_deallocate (__mach_task_self (),
125 return err
? __hurd_dfail (fd
, err
) : 0;