doc: HTTPS upgrades and URL fixes throughout the tree

* HTTPS upgrades
* 404 fixes, with hopefully better helpful links to the relevant documentation
* some trailing white space fixes

Author: ckujau

CONTRIBUTING.rst

@@ -20,7 +20,7 @@ small, atomic pieces to make reviews easier.
 
 Please make sure that the source code formatting follows the guidelines at
 https://community.openvpn.net/openvpn/wiki/CodeStyle. Automated checking can be
-done with uncrustify (http://uncrustify.sourceforge.net/) and the configuration
+done with uncrustify (https://uncrustify.sourceforge.net/) and the configuration
 file which can be found in the git repository at dev-tools/uncrustify.conf.
 There is also a git pre-commit hook script, which runs uncrustify automatically
 each time you commit and lets you format your code conveniently, if needed.

COPYING

@@ -81,10 +81,10 @@ LZO license:
 
   Special exception for linking OpenVPN with both OpenSSL and LZO:
 
-  Hereby I grant a special exception to the OpenVPN project 
-  (http://openvpn.net/) to link the LZO library with 
-  the OpenSSL library (http://www.openssl.org).
- 
+  Hereby I grant a special exception to the OpenVPN project
+  (https://openvpn.net/) to link the LZO library with
+  the OpenSSL library (https://www.openssl.org).
+
   Markus F.X.J. Oberhumer
 
 TAP-Win32/TAP-Win64 Driver license:
@@ -117,7 +117,7 @@ NSIS License:
   including commercial applications, and to alter it and redistribute
   it freely, subject to the following restrictions:
 
-  1. The origin of this software must not be misrepresented; 
+  1. The origin of this software must not be misrepresented;
      you must not claim that you wrote the original software.
      If you use this software in a product, an acknowledgment in the
      product documentation would be appreciated but is not required.
@@ -142,7 +142,7 @@ OpenSSL License:
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    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
@@ -152,7 +152,7 @@ OpenSSL License:
  * 3. All advertising materials mentioning features or use of this
  *    software must display the following acknowledgment:
  *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *    for use in the OpenSSL Toolkit. (https://www.openssl.org/)"
  *
  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  *    endorse or promote products derived from this software without
@@ -166,7 +166,7 @@ OpenSSL License:
  * 6. Redistributions of any form whatsoever must retain the following
  *    acknowledgment:
  *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *    for use in the OpenSSL Toolkit (https://www.openssl.org/)"
  *
  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
@@ -197,21 +197,21 @@ OpenSSL License:
  * This package is an SSL implementation written
  * by Eric Young ([email protected]).
  * The implementation was written so as to conform with Netscapes SSL.
- * 
+ *
  * This library is free for commercial and non-commercial use as long as
  * the following conditions are aheared to.  The following conditions
  * apply to all code found in this distribution, be it the RC4, RSA,
  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  * included with this distribution is covered by the same copyright terms
  * except that the holder is Tim Hudson ([email protected]).
- * 
+ *
  * Copyright remains Eric Young's, and as such any Copyright notices in
  * the code are not to be removed.
  * If this package is used in a product, Eric Young should be given attribution
  * as the author of the parts of the library used.
  * This can be in the form of a textual message at program startup or
  * in documentation (online or textual) provided with the package.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ -226,10 +226,10 @@ OpenSSL License:
  *     Eric Young ([email protected])"
  *    The word 'cryptographic' can be left out if the rouines from the library
  *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from 
+ * 4. If you include any Windows specific code (or a derivative thereof) from
  *    the apps directory (application code) you must include an acknowledgement:
  *    "This product includes software written by Tim Hudson ([email protected])"
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -241,7 +241,7 @@ OpenSSL License:
  * 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.
- * 
+ *
  * The licence and distribution terms for any publically available version or
  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  * copied and put under another distribution licence

INSTALL

@@ -67,7 +67,7 @@ SYSTEM REQUIREMENTS:
       a virtual point-to-point IP or Ethernet device.
       See TUN/TAP Driver References section below for more info.
   (2a) OpenSSL library, necessary for encryption, version 1.1.0 or higher
-      required, available from http://www.openssl.org/
+      required, available from https://www.openssl.org/
       or
   (2b) mbed TLS library, an alternative for encryption, version 2.0 or higher
       required, available from https://tls.mbed.org/
@@ -76,7 +76,7 @@ SYSTEM REQUIREMENTS:
 
 OPTIONAL:
   (5) LZO real-time compression library, required for link compression,
-      available from http://www.oberhumer.com/opensource/lzo/
+      available from https://www.oberhumer.com/opensource/lzo/
       (most supported operating systems have LZO in their installable
       packages repository.  It might be necessary to add LZO_CFLAGS=
       and LZO_LIBS= to the configure call to make it find the LZO pieces)
@@ -87,7 +87,7 @@ OPTIONAL (for developers only):
       Automake 1.9 or higher
       Libtool
       Git
-  (2) cmocka test framework (http://cmocka.org)
+  (2) cmocka test framework (https://cmocka.org)
   (3) If using t_client.sh test framework, fping/fping6 is needed
       Note: t_client.sh needs an external configured OpenVPN server.
       See t_client.rc-sample for more info.
@@ -261,7 +261,7 @@ TUN/TAP Driver References:
 
   You need a TUN/TAP kernel driver for OpenVPN to work:
 
-    http://www.whiteboard.ne.jp/~admin2/tuntap/
+    https://web.archive.org/web/20250504214754/http://www.whiteboard.ne.jp/~admin2/tuntap/
 
 * Haiku:
 

PORTS

@@ -41,7 +41,7 @@ PORTING GUIDELINE TO A NEW PLATFORM:
     platform.
   * Make sure that a tun or tap virtual device
     driver exists for your platform.  See
-    http://vtun.sourceforge.net/tun/ for examples
+    https://vtun.sourceforge.net/tun/ for examples
     of tun and tap drivers that have been written
     for Linux, Solaris, and FreeBSD.
   * Make sure you have autoconf 2.50+ and

README

@@ -27,16 +27,13 @@ or MSVC see README.cmake.md.
 *************************************************************************
 
 For detailed information on OpenVPN, including examples, see the man page
-  http://openvpn.net/man.html
+  https://openvpn.net/community-docs/community-articles/openvpn-2-6-manual.html
 
 For a sample VPN configuration, see
-  http://openvpn.net/howto.html
+  https://openvpn.net/community-docs/how-to.html
 
 To report an issue, see
   https://github.com/OpenVPN/openvpn/issues/new
-  (Note: We recently switched to GitHub for reporting new issues,
-   old issues can be found at:
-   https://community.openvpn.net/openvpn/report)
 
 For a description of OpenVPN's underlying protocol,
   see the file ssl.h included in the source distribution.
@@ -62,7 +59,7 @@ Other Files & Directories:
 * sample/sample-config-files/
 
   A collection of OpenVPN config files and scripts from
-  the HOWTO at http://openvpn.net/howto.html
+  the HOWTO at https://openvpn.net/community-docs/how-to.html
 
 *************************************************************************
 

dev-tools/git-pre-commit-format.sh

@@ -34,7 +34,7 @@
 #  - use clang-format or uncrustify depending on presence of .clang-format
 #    config file
 #
-# More info on Uncrustify: http://uncrustify.sourceforge.net/
+# More info on Uncrustify: https://uncrustify.sourceforge.net/
 
 # This file was taken from a set of unofficial pre-commit hooks available
 # at https://github.com/ddddavidmartin/Pre-commit-hooks and modified to

doc/android.txt

@@ -7,7 +7,7 @@ This support is primarily used in the "OpenVPN for Android" app
 README: https://github.com/schwabe/ics-openvpn/blob/master/doc/README.txt
 
 Android provides the VPNService API
-(http://developer.android.com/reference/android/net/VpnService.html)
+(https://developer.android.com/reference/android/net/VpnService)
 which allows establishing VPN connections without rooting the device.
 
 Unlike on other platforms, the tun device is openend by UI instead of

doc/doxygen/doc_compression.h

@@ -87,5 +87,5 @@
  *
  * @par
  * For more information on the LZO library, see:\n
- * http://www.oberhumer.com/opensource/lzo/
+ * https://www.oberhumer.com/opensource/lzo/
  */

doc/doxygen/doc_mainpage.h

@@ -32,7 +32,7 @@
  * This documentation describes the internal structure of OpenVPN.  It was
  * automatically generated from specially formatted comment blocks in
  * OpenVPN's source code using Doxygen.  (See
- * http://www.stack.nl/~dimitri/doxygen/ for more information on Doxygen)
+ * https://www.doxygen.nl/ for more information on Doxygen)
  *
  * The \ref mainpage_modules "Modules section" below gives an introduction
  * into the high-level module concepts used throughout this documentation.

doc/doxygen/openvpn.doxyfile.in

@@ -1108,7 +1108,7 @@ VERBATIM_HEADERS       = YES
 
 # If the CLANG_ASSISTED_PARSING tag is set to YES then doxygen will use the
 # clang parser (see:
-# http://clang.llvm.org/) for more accurate parsing at the cost of reduced
+# https://clang.llvm.org/) for more accurate parsing at the cost of reduced
 # performance. This can be particularly helpful with template rich C++ code for
 # which doxygen's built-in parser lacks the necessary type information.
 # Note: The availability of this option depends on whether or not doxygen was
@@ -1134,7 +1134,7 @@ CLANG_OPTIONS          =
 # If clang assisted parsing is enabled you can provide the clang parser with the
 # path to the directory containing a file called compile_commands.json. This
 # file is the compilation database (see:
-# http://clang.llvm.org/docs/HowToSetupToolingForLLVM.html) containing the
+# https://clang.llvm.org/docs/HowToSetupToolingForLLVM.html) containing the
 # options used when the source files were built. This is equivalent to
 # specifying the -p option to a clang tool, such as clang-check. These options
 # will then be passed to the parser. Any options specified with CLANG_OPTIONS
@@ -1615,7 +1615,7 @@ USE_MATHJAX            = NO
 
 # When MathJax is enabled you can set the default output format to be used for
 # the MathJax output. See the MathJax site (see:
-# http://docs.mathjax.org/en/v2.7-latest/output.html) for more details.
+# https://docs.mathjax.org/en/v2.7/output.html) for more details.
 # Possible values are: HTML-CSS (which is slower, but has the best
 # compatibility), NativeMML (i.e. MathML) and SVG.
 # The default value is: HTML-CSS.
@@ -1646,7 +1646,7 @@ MATHJAX_EXTENSIONS     =
 # The MATHJAX_CODEFILE tag can be used to specify a file with javascript pieces
 # of code that will be used on startup of the MathJax code. See the MathJax site
 # (see:
-# http://docs.mathjax.org/en/v2.7-latest/output.html) for more details. For an
+# https://docs.mathjax.org/en/v2.7/output.html) for more details. For an
 # example see the documentation.
 # This tag requires that the tag USE_MATHJAX is set to YES.
 
@@ -2109,7 +2109,7 @@ DOCBOOK_PROGRAMLISTING = NO
 #---------------------------------------------------------------------------
 
 # If the GENERATE_AUTOGEN_DEF tag is set to YES, doxygen will generate an
-# AutoGen Definitions (see http://autogen.sourceforge.net/) file that captures
+# AutoGen Definitions (see https://autogen.sourceforge.net/) file that captures
 # the structure of the code including all documentation. Note that this feature
 # is still experimental and incomplete at the moment.
 # The default value is: NO.
@@ -2315,7 +2315,7 @@ HIDE_UNDOC_RELATIONS   = YES
 
 # If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is
 # available from the path. This tool is part of Graphviz (see:
-# http://www.graphviz.org/), a graph visualization toolkit from AT&T and Lucent
+# https://www.graphviz.org/), a graph visualization toolkit from AT&T and Lucent
 # Bell Labs. The other options in this section have no effect if this option is
 # set to NO
 # The default value is: YES.
@@ -2491,8 +2491,8 @@ DIRECTORY_GRAPH        = YES
 
 # The DOT_IMAGE_FORMAT tag can be used to set the image format of the images
 # generated by dot. For an explanation of the image formats see the section
-# output formats in the documentation of the dot tool (Graphviz (see:
-# http://www.graphviz.org/)).
+# output formats in the documentation of the dot tool (Graphviz, see:
+# https://www.graphviz.org/).
 # Note: If you choose svg you need to set HTML_FILE_EXTENSION to xhtml in order
 # to make the SVG files visible in IE 9+ (other browsers do not have this
 # requirement).