Initial revision

1 files changed, 142 insertions, 0 deletions

diff --git a/trans/magic.c b/trans/magic.c
new file mode 100644
index 00000000..1bc4fe9a
--- /dev/null
+++ b/trans/magic.c
@@ -0,0 +1,142 @@
+/* A translator for returning FS_RETRY_MAGIC strings.
+
+   Copyright (C) 1995 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 <hurd.h>
+#include <stdio.h>
+#include <error.h>
+#include <hurd/fsys.h>
+#include "fsys_S.h"
+
+/* ---------------------------------------------------------------- */
+
+extern int fsys_server (mach_msg_header_t *, mach_msg_header_t *);
+
+/* The magic string we return for lookups.  */
+static char *magic = NULL;
+
+void
+main (int argc, char **argv)
+{
+  error_t err;
+  mach_port_t bootstrap, control, realnode;
+  
+  task_get_bootstrap_port (mach_task_self (), &bootstrap);
+  if (bootstrap == MACH_PORT_NULL)
+    error(3, 0, "Must be started as a translator");
+  
+  if (argc != 2 || *argv[1] == '-')
+    {
+      fprintf(stderr, "Usage: %s MAGIC", program_invocation_name);
+      exit(-1);
+    }
+
+  magic = argv[1];
+
+  /* Reply to our parent */
+  mach_port_allocate (mach_task_self (), MACH_PORT_RIGHT_RECEIVE, &control);
+  err = fsys_startup (bootstrap, control, MACH_MSG_TYPE_MAKE_SEND, &realnode);
+  if (err)
+    error(1, err, "starting translator");
+
+  mach_port_deallocate (mach_task_self (), realnode);
+
+  /* Launch */
+  while (1)
+    {
+      /* The timeout here is 10 minutes */
+      err = mach_msg_server_timeout (fsys_server, 0, control,
+				       MACH_RCV_TIMEOUT, 1000 * 60 * 10);
+      if (err == MACH_RCV_TIMED_OUT)
+	exit (0);
+    }
+}
+
+/* ---------------------------------------------------------------- */
+
+error_t
+S_fsys_getroot (mach_port_t fsys_t,
+		mach_port_t dotdotnode,
+		uid_t *uids, u_int nuids, uid_t *gids, u_int ngids,
+		int flags,
+		retry_type *do_retry, char *retry_name,
+		mach_port_t *ret, mach_msg_type_name_t *rettype)
+{
+  strcpy(retry_name, magic);
+  *do_retry = FS_RETRY_MAGICAL;
+  *ret = MACH_PORT_NULL;
+  *rettype = MACH_MSG_TYPE_COPY_SEND;
+  return 0;
+}
+
+error_t
+S_fsys_startup (mach_port_t bootstrap,
+	      mach_port_t control,
+	      mach_port_t *real,
+	      mach_msg_type_name_t *realtype)
+{
+  return EOPNOTSUPP;
+}
+
+error_t
+S_fsys_goaway (mach_port_t control,
+	     int flags)
+{
+  exit (0);
+}
+
+error_t
+S_fsys_syncfs (mach_port_t control,
+	       int wait,
+	       int recurse)
+{
+  return 0;
+}
+
+error_t
+S_fsys_mod_readonly (mach_port_t control,
+		     int val,
+		     int force)
+{
+  return EOPNOTSUPP;
+}
+
+error_t
+S_fsys_getfile (mach_port_t control,
+		uid_t *uids, u_int nuids, uid_t *gids, u_int ngids,
+		char *handle, u_int 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 *hostpriv, mach_port_t *devmaster, task_t *fstask)
+{
+  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;
+}