1 files changed, 159 insertions, 0 deletions
diff --git a/fsys_proxy.c b/fsys_proxy.c
new file mode 100644
index 0000000..0af04ac
--- /dev/null
+++ b/fsys_proxy.c
@@ -0,0 +1,159 @@
+/* A proxy for fsys messages.
+
+   Copyright (C) 2013 Free Software Foundation, Inc.
+
+   Written by Justus Winter <4winter@informatik.uni-hamburg.de>
+
+   This file might one day be a part of the GNU Hurd.
+
+   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, see <http://www.gnu.org/licenses/>.  */
+
+#include "priv.h"
+
+#include <hurd/fsys.h>
+
+error_t
+S_fsys_startup (mach_port_t bootstrap, int flags, mach_port_t control,
+		mach_port_t *real, mach_msg_type_name_t *realtype)
+{
+  error_t err;
+
+  if (failures == 0)
+    {
+      /* This is our first child, do the rendezvous on our bootstrap
+	 port.  */
+      err = fsys_startup (our_bootstrap,
+			  flags,
+			  reincarnation_port,
+			  MACH_MSG_TYPE_COPY_SEND,
+			  real);
+      if (err)
+	return err;
+
+      /* Steal the underlying node.  */
+      node = *real;
+    }
+  else
+    /* Provide the underlying node.  */
+    *real = node;
+
+  /* Always create a copy.  */
+  *realtype = MACH_MSG_TYPE_COPY_SEND;
+
+  /* Update the control port.  */
+  active_control = control;
+
+  if (failures > 0)
+    {
+      /* Reinstall the translator.  */
+      err = install_translator ();
+      if (err)
+	return err;
+    }
+
+  err = register_dead_name_notification ();
+  if (err)
+    return err;
+
+  return err;
+}
+
+error_t
+S_fsys_getroot (mach_port_t fsys_t,
+		mach_port_t dotdotnode,
+		uid_t *uids, size_t nuids,
+		uid_t *gids, size_t ngids,
+		int flags,
+		retry_type *do_retry,
+		char *retry_name,
+		mach_port_t *ret,
+		mach_msg_type_name_t *rettype)
+{
+  *rettype = MACH_MSG_TYPE_MOVE_SEND;
+  return fsys_getroot (active_control,
+		       dotdotnode, MACH_MSG_TYPE_MOVE_SEND,
+		       uids, nuids,
+		       gids, ngids,
+		       flags,
+		       do_retry,
+		       retry_name,
+		       ret);
+}
+
+error_t
+S_fsys_goaway (mach_port_t control, int flags)
+{
+  /* XXX we never get to see those...  */
+  return EOPNOTSUPP;
+}
+
+error_t
+S_fsys_syncfs (mach_port_t control,
+	       int wait,
+	       int recurse)
+{
+  return EOPNOTSUPP;
+}
+
+error_t
+S_fsys_set_options (mach_port_t control,
+		    char *data, mach_msg_type_number_t len,
+		    int do_children)
+{
+  return EOPNOTSUPP;
+}
+
+error_t
+S_fsys_get_options (mach_port_t control,
+		    char **data, mach_msg_type_number_t *len)
+{
+  return EOPNOTSUPP;
+}
+
+error_t
+S_fsys_getfile (mach_port_t control,
+		uid_t *uids, size_t nuids,
+		uid_t *gids, size_t ngids,
+		char *handle, size_t handllen,
+		mach_port_t *pt,
+		mach_msg_type_name_t *pttype)
+{
+  return EOPNOTSUPP;
+}
+
+error_t
+S_fsys_getpriv (mach_port_t control,
+		mach_port_t *host_priv, mach_msg_type_name_t *host_priv_type,
+		mach_port_t *dev_master, mach_msg_type_name_t *dev_master_type,
+		task_t *fs_task, mach_msg_type_name_t *fs_task_type)
+{
+  return EOPNOTSUPP;
+}
+
+error_t
+S_fsys_init (mach_port_t control,
+	   mach_port_t reply,
+	   mach_msg_type_name_t replytype,
+	   mach_port_t proc,
+	   auth_t auth)
+{
+  return EOPNOTSUPP;
+}
+
+error_t
+S_fsys_forward (mach_port_t server, mach_port_t requestor,
+		char *argz, size_t argz_len)
+{
+  return EOPNOTSUPP;
+}