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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /sysdeps/mach/hurd/bind.c
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initial import
Diffstat (limited to 'sysdeps/mach/hurd/bind.c')
-rw-r--r--sysdeps/mach/hurd/bind.c102
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;
+}