1 /* Copyright (C) 1992,94,95,96,97,98,2001,02 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 Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the 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 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
19 #include <sys/socket.h>
22 #include <hurd/socket.h>
23 #include <hurd/paths.h>
26 #include <hurd/ifsock.h>
30 /* Give the socket FD the local address ADDR (which is LEN bytes long). */
32 __bind (int fd, __CONST_SOCKADDR_ARG addrarg, socklen_t len)
36 const struct sockaddr_un *addr = addrarg.__sockaddr_un__;
38 if (addr->sun_family == AF_LOCAL)
40 /* For the local domain, we must create a node in the filesystem
41 using the ifsock translator and then fetch the address from it. */
43 char name[len - offsetof (struct sockaddr_un, sun_path) + 1], *n;
45 strncpy (name, addr->sun_path, sizeof name - 1);
46 name[sizeof name - 1] = '\0'; /* Make sure */
48 dir = __file_name_split (name, &n);
49 if (dir == MACH_PORT_NULL)
52 /* Create a new, unlinked node in the target directory. */
53 err = __dir_mkfile (dir, O_CREAT, 0666 & ~_hurd_umask, &node);
57 /* Set the node's translator to make it a local-domain socket. */
58 err = __file_set_translator (node,
59 FS_TRANS_EXCL | FS_TRANS_SET,
60 FS_TRANS_EXCL | FS_TRANS_SET, 0,
61 _HURD_IFSOCK, sizeof _HURD_IFSOCK,
63 MACH_MSG_TYPE_COPY_SEND);
66 /* Link the node, now a socket, into the target directory. */
67 err = __dir_link (dir, node, n, 1);
71 __mach_port_deallocate (__mach_task_self (), node);
74 /* Get a port to the ifsock translator. */
75 file_t ifsock = __file_name_lookup_under (dir, n, 0, 0);
76 if (ifsock == MACH_PORT_NULL)
79 /* If we failed, get rid of the node we created. */
80 __dir_unlink (dir, n);
84 /* Get the address port. */
85 err = __ifsock_getsockaddr (ifsock, &aport);
86 if (err == MIG_BAD_ID || err == EOPNOTSUPP)
87 /* We are not talking to /hurd/ifsock. Probably
88 someone came in after we linked our node, unlinked
89 it, and replaced it with a different node, before we
90 did our lookup. Treat it as if our link had failed
94 __mach_port_deallocate (__mach_task_self (), ifsock);
97 __mach_port_deallocate (__mach_task_self (), dir);
100 return __hurd_fail (err);
105 err = HURD_DPORT_USE (fd,
108 err = __socket_create_address (port,
114 err = __socket_bind (port, aport);
115 __mach_port_deallocate (__mach_task_self (),
121 return err ? __hurd_dfail (fd, err) : 0;
124 weak_alias (__bind, bind)