diff options
Diffstat (limited to 'sysdeps/mach/hurd/bind.c')
| -rw-r--r-- | sysdeps/mach/hurd/bind.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/bind.c b/sysdeps/mach/hurd/bind.c new file mode 100644 index 0000000000..e9e54ec8dc --- /dev/null +++ b/sysdeps/mach/hurd/bind.c @@ -0,0 +1,102 @@ +/* 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; +} |