1 files changed, 123 insertions, 0 deletions
diff --git a/pflocal/pf.c b/pflocal/pf.c
new file mode 100644
index 00000000..65d5c5a9
--- /dev/null
+++ b/pflocal/pf.c
@@ -0,0 +1,123 @@
+/* Protocol family operations
+
+   Copyright (C) 1995, 1999 Free Software Foundation, Inc.
+
+   Written by Miles Bader <miles@gnu.ai.mit.edu>
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   This program 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
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include <stddef.h>
+#include <sys/socket.h>
+#include <hurd/pipe.h>
+
+#include "sock.h"
+
+#include "socket_S.h"
+
+/* Create a new socket.  Sock type is, for example, SOCK_STREAM,
+   SOCK_DGRAM, or some such.  */
+error_t
+S_socket_create (mach_port_t pf,
+		 int sock_type, int protocol,
+		 mach_port_t *port, mach_msg_type_name_t *port_type)
+{
+  error_t err;
+  struct sock *sock;
+  struct pipe_class *pipe_class;
+  
+  if (protocol != 0)
+    return EPROTONOSUPPORT;
+
+  switch (sock_type)
+    {
+    case SOCK_STREAM:
+      pipe_class = stream_pipe_class; break;
+    case SOCK_DGRAM:
+      pipe_class = dgram_pipe_class; break;
+    case SOCK_SEQPACKET:
+      pipe_class = seqpack_pipe_class; break;
+    default:
+      return ESOCKTNOSUPPORT;
+    }
+
+  err = sock_create (pipe_class, &sock);
+  if (!err)
+    {
+      err = sock_create_port (sock, port);
+      if (err)
+	sock_free (sock);
+      else
+	*port_type = MACH_MSG_TYPE_MAKE_SEND;
+    }
+  
+  return err;
+}
+
+error_t
+S_socket_create_address (mach_port_t pf, int sockaddr_type,
+			 char *data, size_t data_len,
+			 mach_port_t *addr_port,
+			 mach_msg_type_name_t *addr_port_type)
+{
+  return EOPNOTSUPP;
+}
+
+error_t
+S_socket_fabricate_address (mach_port_t pf,
+			    int sockaddr_type,
+			    mach_port_t *addr_port,
+			    mach_msg_type_name_t *addr_port_type)
+{
+  error_t err;
+  struct addr *addr;
+
+  if (sockaddr_type != AF_LOCAL)
+    return EAFNOSUPPORT;
+
+  err = addr_create (&addr);
+  if (err)
+    return err;
+
+  *addr_port = ports_get_right (addr);
+  *addr_port_type = MACH_MSG_TYPE_MAKE_SEND;
+
+  return 0;
+}
+
+/* Implement socket_whatis_address as described in <hurd/socket.defs>.
+   Since we cannot tell what our adress is, return an empty string as
+   the file name.  This is primarily for the implementation of accept
+   and recvfrom.  The functions getsockname and getpeername remain
+   unsupported for the local namespace.  */
+error_t
+S_socket_whatis_address (struct addr *addr,
+			 int *sockaddr_type,
+			 char **sockaddr, size_t *sockaddr_len)
+{
+  socklen_t addr_len = (offsetof (struct sockaddr, sa_data) + 1);
+  
+  if (! addr)
+    return EOPNOTSUPP;
+
+  *sockaddr_type = AF_LOCAL;
+  if (*sockaddr_len < addr_len)
+    *sockaddr = mmap (0, addr_len, PROT_READ|PROT_WRITE, MAP_ANON, 0, 0);
+  ((struct sockaddr *) *sockaddr)->sa_len = addr_len;
+  ((struct sockaddr *) *sockaddr)->sa_family = *sockaddr_type;
+  ((struct sockaddr *) *sockaddr)->sa_data[0] = 0;
+  *sockaddr_len = addr_len;
+  
+  return 0;
+}