Update licence and TPM docs

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

gnutls_tpm2_esys.c

@@ -1,3 +1,22 @@
+/*
+ * OpenConnect (SSL + DTLS) VPN client
+ *
+ * Copyright © 2018 David Woodhouse.
+ *
+ * Author: David Woodhouse <dwmw2@infradead.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * version 2.1, as published by the Free Software Foundation.
+ *
+ * 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
+ * Lesser General Public License for more details.
+ */
+
+/* Portions taken from tpm2-tss-engine, copyright as below: */
+
 /*******************************************************************************
  * Copyright 2017-2018, Fraunhofer SIT sponsored by Infineon Technologies AG
  * All rights reserved.

www/Makefile.am

@@ -5,7 +5,7 @@ CONV 	= "$(srcdir)/html.py"
 
 FTR_PAGES = csd.html charset.html token.html pkcs11.html tpm.html features.html gui.html nonroot.html hip.html
 START_PAGES = building.html connecting.html manual.html vpnc-script.html 
-INDEX_PAGES = changelog.html download.html index.html packages.html platforms.html
+INDEX_PAGES = changelog.html download.html index.html packages.html platforms.html licence.html
 PROTO_PAGES = anyconnect.html juniper.html globalprotect.html
 TOPLEVEL_PAGES = contribute.html mail.html
 

www/building.xml

@@ -31,7 +31,8 @@ And <em>optionally</em> also:
   <li><b><tt><a href="http://p11-glue.freedesktop.org/p11-kit.html">p11-kit</a></tt></b> <i>(for PKCS#11 support)</i></li>
   <li><b><tt><a href="https://github.com/OpenSC/libp11/wiki">libp11</a></tt></b> <i>(also needed for PKCS#11 support if using OpenSSL)</i></li>
   <li><b><tt><a href="http://code.google.com/p/libproxy/">libproxy</a></tt></b></li>
-  <li><b><tt><a href="http://trousers.sourceforge.net/">trousers</a></tt></b> <i>(for TPM support if using GnuTLS)</i></li>
+  <li><b><tt><a href="http://trousers.sourceforge.net/">trousers</a></tt></b> <i>(for TPMv1 support if using GnuTLS)</i></li>
+  <li><b><tt><a href="https://github.com/tpm2-software/tpm2-tss">tss2-esys</a></tt></b> and <b><tt><a href="https://www.gnu.org/software/libtasn1/">libtasn1</a></tt></b> <i>(for TPMv2 support if using GnuTLS)</i></li>
   <li><b><tt><a href="http://stoken.sourceforge.net/">libstoken</a></tt></b> <i>(for SecurID software token support)</i></li>
   <li><b><tt><a href="http://www.nongnu.org/oath-toolkit/">libpskc</a></tt></b> <i>(for RFC6030 PSKC file storage of HOTP/TOTP keys)</i></li>
   <li><b><tt><a href="https://pcsclite.alioth.debian.org/pcsclite.html">libpcsclite</a></tt></b> <i>(for Yubikey hardware HOTP/HOTP support)</i></li>

www/index.xml

@@ -13,7 +13,7 @@
 It has since been ported to support the Juniper SSL VPN (which is now known as <a href="https://www.pulsesecure.net/products/connect-secure/">Pulse Connect Secure</a>),
 and to the <a href="https://www.paloaltonetworks.com/features/vpn">Palo Alto Networks GlobalProtect SSL VPN</a>.</p>
 
-<p>OpenConnect is released under the GNU Lesser Public License, version 2.1.</p>
+<p>OpenConnect is released under the <a href="licence.html">GNU Lesser Public License, version 2.1</a>.</p>
 
 <p>Like <a href="http://www.unix-ag.uni-kl.de/~massar/vpnc/">vpnc</a>,
 OpenConnect is not officially supported by, or associated in any way