Add the TI-RPC Library

We require enhancements to the stock Linux TI-RPC implementation. In
particular we need notification when the client disconnects in order
to free up resources. The Oracle/Sun ONC-RPC has these enhancements, but
it is not part of  Linux.

libtirpc/.gitignore

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+# files generated by autoconf, automake, autoheader and libtoolize
+aclocal.m4
+autom4te.cache
+compile
+config.guess
+config.log
+config.sub
+configure
+depcomp
+install-sh
+libtool
+ltmain.sh
+Makefile.in
+missing
+config.h.in
+m4/*
+libtirpc-*.tar.gz
+# files generated by configure
+confdefs.h
+config.status
+conftest
+conftest.c
+conftest.cpp
+conftest.er1
+conftest.err
+.deps
+Makefile
+config.h
+stamp-h1
+libtirpc.pc
+# file generated during compilation
+*.o
+.libs
+lib*.a
+src/libtirpc.la
+src/libtirpc_la-*.lo
+tirpc/stamp-h2
+tirpc/tirpc-features.h
+
+# generic editor backup et al
+*~
+.stgitmail.txt
+# cscope database files
+cscope.*
+# files generated by patches
+*.patch
+*.rej
+*.orig
+# files generated by debugging
+.gdb_history
+.gdbinit
+core

libtirpc/AUTHORS

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+Gilles Quillard <[email protected]>
+Antoine Fraticelli <[email protected]>
+

libtirpc/COPYING

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+/*
+ * Copyright (c) Copyright (c) Bull S.A.  2005  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. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+ */
+

libtirpc/ChangeLog

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+2008-11-19  Steve Dickson <[email protected]>
+
+    * Version 0.1.10 released.
+
+commit 32ec5931e3debf208972d5146578f08dc113a9b6
+Merge: 338af7f... 92cf0dd...
+Author: Steve Dickson <[email protected]>
+Date:   Mon Nov 17 12:26:22 2008 -0500
+
+    Merge branch 'master' of git://git.infradead.org/~steved/libtirpc
+
+commit 92cf0dde310ca341a2f29ff66b19eeb9994a649a
+Author: Ian Kent <[email protected]>
+Date:   Tue Oct 28 11:19:07 2008 -0400
+
+    Fixed a warings the IPV6 client routines
+
+    Signed-off-by: Steve Dickson <[email protected]>
+
+commit 338af7f9f00e096b65a6d823f885c4eeaf1d1f8c
+Author: Steve Dickson <[email protected]>
+Date:   Mon Oct 27 12:46:54 2008 -0400
+
+    __rpc_taddr2uaddr_af() assumes the netbuf to always have a
+    non-zero data. This is a bad assumption and can lead to a
+    seg-fault. This patch adds a check for zero length and returns
+    NULL when found.
+
+    Signed-off-by: Steve Dickson <[email protected]>
+
+commit d9a5ae7079d001a9e3b9b384f9153f591a7158bd
+Author: Olaf Kirch <[email protected]>
+Date:   Tue Sep 30 15:10:43 2008 -0400
+
+    Fix __rpc_getconfip
+
+    __rpc_getconfip is supposed to return the first netconf
+    entry supporting tcp or udp, respectively. The code will
+    currently return the *last* entry, plus it will leak
+    memory when there is more than one such entry.
+
+    This patch fixes this issue.
+
+    Signed-off-by: Olaf Kirch <[email protected]>
+    Signed-off-by: Steve Dickson <[email protected]>
+
+commit 6c487efe74adb5c29f7bee5bd51b3ebef4968f7d
+Author: Olaf Kirch <[email protected]>
+Date:   Tue Sep 30 15:09:06 2008 -0400
+
+    Fix getpeereid
+
+    getpeereid fails because it uses an incorrect getsockopt call to obtain
+    the peer credentials on a AF_LOCAL socket.  This in turn will cause all
+    RPC services to be registered with rpcbind to show up as having been
+    registered by "unknown".
+
+    This has a serious impact on security - a service owned by "unknown"
+    can essentially be unregistered (and thus replaced) by anyone.
+
+    Signed-off-by: Olaf Kirch <[email protected]>
+    Signed-off-by: Steve Dickson <[email protected]>
+
+commit 851b0f5c6dca22d634603f03f0a5e3e35c6db867
+Author: Olaf Kirch <[email protected]>
+Date:   Tue Sep 30 15:08:07 2008 -0400
+
+    svc_getcaller_netbuf macro seems broken
+
+    I haven't found any documentation, but the comment in the header
+    file seems to suggest that svc_getcaller_netbuf should return the
+    xp_rtaddr netbuf. Returning the address of the socket descripor
+    seems to be wrong at any rate.
+
+    Signed-off-by: Olaf Kirch <[email protected]>
+    Signed-off-by: Steve Dickson <[email protected]>
+
+commit d94b92d5125242ce595c1baf42a1e6d1004b7756
+Author: Olaf Kirch <[email protected]>
+Date:   Tue Sep 30 15:06:54 2008 -0400
+
+    Introduce __rpc_set_netbuf helper
+
+    The RPC code contains a number of places where a netbuf
+    is initialized with some data. All the mem_alloc/memcpy
+    stuff is open-coded. Introduce a helper function and
+    convert the code.
+
+    Signed-off-by: Olaf Kirch <[email protected]>
+    Signed-off-by: Steve Dickson <[email protected]>
+
+commit da5f9861ea3bae59c8eead26d38334721caa9f0a
+Author: Olaf Kirch <[email protected]>
+Date:   Tue Sep 30 15:05:20 2008 -0400
+
+    Kill map_ipv4_to_ipv6
+
+    After the change to svc_vc.c performed in the previous patch,
+    this function is no longer needed.
+
+    Signed-off-by: Olaf Kirch <[email protected]>
+    Signed-off-by: Steve Dickson <[email protected]>
+
+commit 59c374c4b507aeca957ed0096d98006edf601375
+Author: Olaf Kirch <[email protected]>
+Date:   Tue Sep 30 15:04:17 2008 -0400
+
+    Fix xp_raddr handling in svc_fd_create etc
+
+    Currently svc_fd_create tries to do some clever tricks
+    with IPv4/v6 address mapping.
+
+    This is broken for several reasons.
+     1.	We don't want IPv4 based transport to look like IPv6
+     	transports. Old applications compiled against tirpc
+    	will expect AF_INET addresses, and are not equipped
+    	to deal with AF_INET6.
+     2.	There's a buffer overflow.
+    		memcpy(&sin6, &ss, sizeof(ss));
+    	copies a full struct sockaddr to a sockaddr_in6 on
+    	the stack. Unlikely to be exploitable, but I wonder
+    	if this ever worked....
+
+    Signed-off-by: Olaf Kirch <[email protected]>
+    Signed-off-by: Steve Dickson <[email protected]>
+
+commit 628788c1cc84c86ee4cb36ee5d4fe8954e90fca5
+Author: Steve Dickson <[email protected]>
+Date:   Tue Sep 16 11:32:31 2008 -0400
+
+    - Fixed version-info in src/Makefile.am to reflect the correct version
+    - Fixed some of warnings in: src/auth_time.c, src/clnt_dg.c and
+        src/clnt_raw.c
+    - Added some #ifdef NOTUSED around some code in src/rpbc_clnt.c
+      that was not being used...
+
+    Signed-off-by: Steve Dickson <[email protected]>
+
+commit 9e7ba0c7a02031294fefadfbca42b3dd5f2d841f
+Author: Olaf Kirch <[email protected]>
+Date:   Tue Sep 16 08:46:29 2008 -0400
+
+    Fix for taddr2addr conversion bug of local addresses
+
+    When converting af_local socket addresses in taddr2uaddr, an incorrect
+    sizeof() would result in a truncated path string. As a result,
+    rpcbind will report the local /var/lib/rpcbind address to clients
+    as "/v" on a 32bit machine.
+
+    Signed-off-by: [email protected]
+    Signed-off-by: Steve Dickson <[email protected]>
+
+commit ea9f048761d0b9a2ab6310bffa07351f0b04d8c5
+Author: Olaf Kirch <[email protected]>
+Date:   Tue Sep 2 12:11:15 2008 -0400
+
+    Always make IPv6 sockets V6ONLY
+
+    Assume you have a netconfig file looking like this:
+
+    udp        tpi_clts      v     inet     udp     -       -
+    udp6       tpi_clts      v     inet6    udp     -       -
+    ...
+
+    a call to svc_tli_create(... &someaddr, "udp") will fail to create an
+    IPv6 server socket. The problem is that on Linux, passive IPv6 sockets
+    will also accept packets/connections from IPv4, and will simply map
+    the sender's address to an IPv6 mapped IPv4 address. So if you want to
+    bind both a UDPv4 and UDPv6 socket to the same port, this will fail with
+    EADDRINUSE.
+
+    The way to avoid this behavior is to change the socket to V6ONLY,
+    which tells the kernel to avoid the autmatic mapping.
+
+    The change proposed in the patch below does this. I *think* this is
+    a good place to do this, as it will also fix applications that do not
+    use svc_tli_create() - such as rpcbind, which creates the sockets on
+    its own using __rpc_nconf2fd.
+
+    I think this also improves portability, as BSD code assumes BSD
+    behavior, where this mapping does not occur either.
+
+    Signed-off-by: Olaf Kirch <[email protected]>
+    Signed-off-by: Steve Dickson <[email protected]>
+
+commit 95c8f7227e6b15f2e430d7b87dadc95b2acd4a61
+Author: Olaf Kirch <[email protected]>
+Date:   Tue Sep 2 12:09:39 2008 -0400
+
+    Fix incorrect sizeof() in __rpc_getbroadifs
+
+    __rpc_getbroadifs returns bad broadcast addresses on 32bit
+    machines because when copying the broadcast addresses, ite
+    applies the sizeof() operator to a pointer to a sockaddr,
+    rather than the sockaddr itself.
+
+    Signed-off-by: Olaf Kirch <[email protected]>
+    Signed-off-by: Steve Dickson <[email protected]>
+
+2004-10-13  Antoine Fraticelli  <[email protected]>
+
+        * Version 0.1 released.
+
+2005-01-07  Gilles Quillard  <[email protected]>
+
+	* Version 0.1.5  Fix problems links to the use of Kerberos.

libtirpc/HACKING

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+Patches can be sent to [email protected] with a CC
+to [email protected]