Import Jan 15 version of Andrew Gordon <andrew.gordon@net-tel.co.uk>'s

stub lockd.

This implements just the protocol, but does not interact with the kernel.
It says "Yes!" to all requests.  This is useful if you have people using
tools that do locking for no reason (eg: some PC NFS systems running some
Microsoft products) and will happily report they couldn't lock the file
and merrily proceed anyway.  Running this will not change the reliability of
sharing files, it'll just keep it out of everybody's face.

1 files changed, 58 insertions, 0 deletions

diff --git a/usr.sbin/rpc.lockd/handles.c b/usr.sbin/rpc.lockd/handles.c
new file mode 100644
index 0000000..dfb9ad4
--- /dev/null
+++ b/usr.sbin/rpc.lockd/handles.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 1995
+ *	A.R. Gordon (andrew.gordon@net-tel.co.uk).  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed for the FreeBSD project
+ * 4. Neither the name of the author nor the names of any co-contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ANDREW GORDON AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+
+
+#include "lockd.h"
+
+/* ------------------------------------------------------------------------- */
+/*
+
+
+* need to find all fds in use by a host and free them when host crashes
+  (need not be efficient)
+
+* need to find fd corresponding to <inode, device>
+
+*/
+
+typedef struct fdinfo
+{
+  int fd;	/* The file descriptor itself			*/
+  int ref_count;	/* Count of hosts using the fd - fd is 	*/
+			/* closed when this reaches zero	*/
+  ino_t inode_no;	/* The inode number of this file.	*/
+  dev_t device;		/* device on which the file lives.	*/
+  struct fdinfo *next;	/* Chain of FdInfo structures		*/
+  struct fdinfo *prev;
+} FdInfo;