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- /* Copyright (C) 1992, 1994 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)
- /* Get a port to the ifsock translator. */
- err = __hurd_invoke_translator (node, 0, &ifsock);
- if (! err)
- /* Get the address port. */
- err = __ifsock_getsockaddr (ifsock, &aport);
- __mach_port_deallocate (__mach_task_self (), ifsock);
- if (! err)
- /* Link the node, now a socket, into the target directory. */
- err = __dir_link (node, dir, name);
- __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->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;
- }
-