Update upstream source from tag 'upstream/2.5_beta1'

Update to upstream version '2.5~beta1'
with Debian dir d53f9a482ac24eb491a294b26c24bb1d87afad24

8 files changed, 607 insertions, 0 deletions

diff --git a/dev-tools/gen-release-tarballs.sh b/dev-tools/gen-release-tarballs.sh
new file mode 100755
index 0000000..9c4600e
--- /dev/null
+++ b/dev-tools/gen-release-tarballs.sh
@@ -0,0 +1,247 @@
+#!/bin/sh
+# gen-release-tarballs.sh  -  Generates release tarballs with signatures
+#
+# Copyright (C) 2017-2018 - David Sommerseth <davids@openvpn.net>
+#
+# 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
+# of the License.
+#
+# 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+set -u
+
+if [ $# -ne 4 ]; then
+    echo "Usage: $0 <remote-name> <tag-name> <sign-key> <dest-dir>"
+    echo ""
+    echo "   remote-name  -- valid remotes: `git remote | tr \\\n ' '`"
+    echo "   tag-name     -- An existing release tag"
+    echo "   sign-key     -- PGP key used to sign all files"
+    echo "   dest-dir     -- Where to put the complete set of release tarballs"
+    echo ""
+    echo "   Example: $0 origin v2.4.2 /tmp/openvpn-release"
+    echo
+    exit 1
+fi
+
+arg_remote_name="$1"
+arg_tag_name="$2"
+arg_sign_key="$3"
+arg_dest_dir="$4"
+
+#
+# Sanity checks
+#
+
+# Check that the tag exists
+git tag | grep "$arg_tag_name" 1>/dev/null
+if [ $? -ne 0 ]; then
+    echo "** ERROR **  The tag '$arg_tag_name' does not exist"
+    exit 2
+fi
+
+# Extract the git URL
+giturl="`git remote get-url $arg_remote_name 2>/dev/null`"
+if [ $? -ne 0 ]; then
+    echo "** ERROR ** Invalid git remote name: $arg_remote_name"
+    exit 2
+fi
+
+# Check we have the needed signing key
+echo "test" | gpg -a --clearsign -u "$arg_sign_key" 2>/dev/null 1>/dev/null
+if [ $? -ne 0 ]; then
+    echo "** ERROR ** Failed when testing the PGP signing.  Wrong signing key?"
+    exit 2;
+fi
+
+
+#
+# Helper functions
+#
+
+get_filename()
+{
+    local wildcard="$1"
+
+    res="`find . -maxdepth 1 -type f -name \"$wildcard\" | head -n1 | cut -d/ -f2-`"
+    if [ $? -ne 0 ]; then
+        echo "-- 'find' failed."
+        exit 5
+    fi
+    if [ -z "$res" ]; then
+        echo "-- Could not find a file with the wildcard: $wildcard"
+        exit 4
+    fi
+    echo "$res"
+}
+
+copy_files()
+{
+    local fileext="$1"
+    local dest="$2"
+
+    file="`get_filename openvpn-*.*.*.$fileext`"
+    if [ -z "$file" ]; then
+        echo "** ERROR Failed to find source file"
+        exit 5
+    fi
+    echo "-- Copying $file"
+    cp "$file" "$dest"
+    if [ $? -ne 0 ]; then
+        echo "** ERROR ** Failed to copy $file to $destdir"
+        exit 3;
+    fi
+}
+
+sign_file()
+{
+    local signkey="$1"
+    local srchfile="$2"
+    local signtype="$3"
+    local file="`get_filename $srchfile`"
+
+    echo "-- Signing $file ..."
+    case "$signtype" in
+        inline)
+            # Have the signature in the same file as the data
+            gpg -a --clearsign -u "$signkey" "$file" 2>/dev/null
+            res=$?
+            if [ $res -eq 0 ]; then
+                rm -f "$file"
+            fi
+            ;;
+
+        detached)
+            # Have the signature in a separate file
+            gpg -a --detach-sign -u "$signkey" "$file" 2>/dev/null
+            res=$?
+            ;;
+
+        *)
+            echo "** ERROR **  Unknown signing type \"$signtype\"."
+            exit 4;
+    esac
+
+    if [ $res -ne 0 ]; then
+        echo "** ERROR **  Failed to sign the file $PWD/$file"
+        exit 4;
+    fi
+}
+
+
+#
+# Preparations
+#
+
+# Create the destination directory, using a sub-dir with the tag-name
+destdir=""
+case "$arg_dest_dir" in
+    /*) # Absolute path
+        destdir="$arg_dest_dir/$arg_tag_name"
+        ;;
+    *)  # Make absolute path from relative path
+        destdir="$PWD/$arg_dest_dir/$arg_tag_name"
+        ;;
+esac
+echo "-- Destination directory: $destdir"
+if [ -e "$destdir" ]; then
+    echo "** ERROR ** Destination directory already exists.  "
+    echo "            Please check your command line carefully."
+    exit 2
+fi
+
+mkdir -p "$destdir"
+if [ $? -ne 0 ]; then
+    echo "** ERROR ** Failed to create destination directory"
+    exit 2
+fi
+
+#
+# Start the release process
+#
+
+# Clone the remote repository
+workdir="`mktemp -d -p /var/tmp openvpn-build-release-XXXXXX`"
+cd $workdir
+echo "-- Working directory: $workdir"
+echo "-- git clone $giturl"
+git clone $giturl openvpn-gen-tarball 2> "$workdir/git-clone.log" 1>&2
+if [ $? -ne 0 ]; then
+    echo "** ERROR **  git clone failed.  See $workdir/git-clone.log for details"
+    exit 3;
+fi
+cd openvpn-gen-tarball
+
+# Check out the proper release tag
+echo "-- Checking out tag $arg_tag_name ... "
+git checkout -b mkrelease "$arg_tag_name" 2> "$workdir/git-checkout-tag.log" 1>&2
+if [ $? -ne 0 ]; then
+    echo "** ERROR **  git checkout failed.  See $workdir/git-checkout-tag.log for details"
+    exit 3;
+fi
+
+# Prepare the source tree
+echo "-- Running autoreconf + a simple configure ... "
+(autoreconf -vi && ./configure) 2> "$workdir/autotools-prep.log" 1>&2
+if [ $? -ne 0 ]; then
+    echo "** ERROR **  Failed running autotools.  See $workdir/autotools-prep.log for details"
+    exit 3;
+fi
+
+# Generate the tar/zip files
+echo "-- Running make distcheck (generates .tar.gz) ... "
+(make distcheck) 2> "$workdir/make-distcheck.log" 1>&2
+if [ $? -ne 0 ]; then
+    echo "** ERROR **  make distcheck failed.  See $workdir/make-distcheck.log for details"
+    exit 3;
+fi
+copy_files tar.gz "$destdir"
+
+echo "-- Running make dist-xz (generates .tar.xz) ... "
+(make dist-xz) 2> "$workdir/make-dist-xz.log" 1>&2
+if [ $? -ne 0 ]; then
+    echo "** ERROR **  make dist-xz failed.  See $workdir/make-dist-xz.log for details"
+    exit 3;
+fi
+copy_files tar.xz "$destdir"
+
+echo "-- Running make dist-zip (generates .zip) ... "
+(make dist-zip) 2> "$workdir/make-dist-zip.log" 1>&2
+if [ $? -ne 0 ]; then
+    echo "** ERROR **  make dist-zip failed.  See $workdir/make-dist-zip.log for details"
+    exit 3;
+fi
+copy_files zip "$destdir"
+
+# Generate SHA256 checksums
+cd "$destdir"
+sha256sum openvpn-*.tar.{gz,xz} openvpn-*.zip > "openvpn-$arg_tag_name.sha256sum"
+
+# Sign all the files
+echo "-- Signing files ... "
+sign_file "$arg_sign_key" "openvpn-$arg_tag_name.sha256sum" inline
+sign_file "$arg_sign_key" "openvpn-*.tar.gz" detached
+sign_file "$arg_sign_key" "openvpn-*.tar.xz" detached
+sign_file "$arg_sign_key" "openvpn-*.zip" detached
+
+# Create a tar-bundle with everything
+echo "-- Creating final tarbundle with everything ..."
+tar cf "openvpn-$arg_tag_name.tar" openvpn-*.{tar.gz,tar.xz,zip}{,.asc} openvpn-*.sha256sum.asc
+
+echo "-- Cleaning up ..."
+# Save the log files
+mkdir -p "$destdir/logs"
+mv $workdir/*.log "$destdir/logs"
+
+# Finally, done!
+rm -rf "$workdir"
+echo "-- Done"
+exit 0
diff --git a/dev-tools/lz4-rebaser.sh b/dev-tools/lz4-rebaser.sh
new file mode 100755
index 0000000..03debcb
--- /dev/null
+++ b/dev-tools/lz4-rebaser.sh
@@ -0,0 +1,68 @@
+#!/bin/sh
+# lz4-rebaser.sh   - Does the LZ4 rebase process in an automated fashion
+#
+# Copyright (C) 2017-2018 David Sommerseth <davids@openvpn.net>
+#
+# 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
+# of the License.
+#
+# 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+
+# Basic shell sanity
+set -eu
+
+# Simple argument control
+if [ $# -ne 1 ]; then
+    echo "Usage: $0 <Path to upstream LZ4 source tree>"
+    exit 1
+fi
+
+# Check that we have the files we need before starting the rebase
+LZ4_C="$1/lib/lz4.c"
+LZ4_H="$1/lib/lz4.h"
+if [ ! -r "$LZ4_C" -o ! -r "$LZ4_H" ]; then
+    echo "Could not locate $LZ4_H and/or $LZ4_C"
+    exit 1
+fi
+
+# Extract the upstream LZ4 commit base
+lz4_tag="$(git --git-dir $1/.git tag --contains HEAD)"
+lz4_commit="$(git --git-dir $1/.git rev-parse --short=20 HEAD)"
+
+# Do the rebase
+srcroot="$(git rev-parse --show-toplevel)"
+echo "* Copying upstream lz4.h to compat-lz4.h"
+cp "$LZ4_H" "${srcroot}/src/compat/compat-lz4.h"
+
+echo "* Porting upstream lz4.c to compat-lz4.c"
+{
+    cat <<EOF
+/* This file has been backported by $0
+ * from upstream lz4 commit $lz4_commit ($lz4_tag)
+ */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#elif defined(_MSC_VER)
+#include "config-msvc.h"
+#endif
+
+#ifdef NEED_COMPAT_LZ4
+EOF
+    sed 's/\"lz4\.h\"/\"compat-lz4.h"/' "$LZ4_C"
+cat <<EOF
+#endif /* NEED_COMPAT_LZ4 */
+EOF
+} > "${srcroot}/src/compat/compat-lz4.c"
+
+echo "* Running 'git add'"
+git add src/compat/compat-lz4.[ch]
diff --git a/dev-tools/reformat-all.sh b/dev-tools/reformat-all.sh
new file mode 100755
index 0000000..befc589
--- /dev/null
+++ b/dev-tools/reformat-all.sh
@@ -0,0 +1,136 @@
+#!/bin/sh
+# reformat-all.sh - Reformat all git files in the checked out
+#                   git branch using uncrustify.
+#
+# Copyright (C) 2016-2018 - David Sommerseth <davids@openvpn.net>
+#
+# 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
+# of the License.
+#
+# 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+
+tstamp="$(date +%Y%m%d-%H%M%S)"
+files="$(pwd)/reformat-all_files-$tstamp.lst"
+log="$(pwd)/reformat-all_log-$tstamp.txt"
+
+srcroot="$(git rev-parse --show-toplevel)"
+cfg="$srcroot/dev-tools/uncrustify.conf"
+specialfiles="$srcroot/dev-tools/special-files.lst"
+
+export gitfiles=0
+export procfiles=0
+
+# Go to the root of the source tree
+cd "$srcroot"
+
+{
+    echo -n "** Starting $0: "
+    date
+
+    # Find all C source/header files
+    git ls-files | grep -E ".*\.[ch](\.in$|$)" > "${files}.git"
+
+    # Manage files which needs special treatment
+    awk -F\# '{gsub("\n| ", "", $1); print $1}' "$specialfiles" > "${files}.sp"
+    while read srcfile
+    do
+        res=$(grep "$srcfile" "${files}.sp" 2>/dev/null)
+        if [ $? -ne 0 ]; then
+            # If grep didn't find the file among special files,
+            # process it normally
+            echo "$srcfile" >> "$files"
+        else
+            mode=$(echo "$res" | cut -d:  -f1)
+            case "$mode" in
+                E)
+                    echo "** INFO **  Excluding '$srcfile'"
+                    ;;
+                P)
+                    echo "** INFO **  Pre-patching '$srcfile'"
+                    patchfile="${srcroot}"/dev-tools/reformat-patches/before_$(echo "$srcfile" | tr "/" "_").patch
+                    if [ -r "$patchfile" ]; then
+                        git apply "$patchfile"
+                        if [ $? -ne 0 ]; then
+                            echo "** ERROR **  Failed to apply pre-patch file: $patchfile"
+                            exit 2
+                        fi
+                    else
+                        echo "** WARN ** Pre-patch file for $srcfile is missing: $patchfile"
+                    fi
+                    echo "$srcfile" >> "${files}.postpatch"
+                    echo "$srcfile" >> "$files"
+                    ;;
+                *)
+                    echo "** WARN ** Unknown mode '$mode' for file '$srcfile'"
+                    ;;
+            esac
+        fi
+    done < "${files}.git"
+    rm -f "${files}.git" "${files}.sp"
+
+    # Kick off uncrustify
+    echo
+    echo "** INFO ** Running: uncrustify -c $cfg --no-backup -l C -p debug.uncr -F $files"
+    uncrustify -c "$cfg" --no-backup -l C -p debug.uncr -F "$files" 2>&1
+    res=$?
+    echo "** INFO ** Uncrustify completed (exit code $res)"
+} | tee "${log}-1"  # Log needs to be closed here, to be processed in next block
+
+{
+    # Check the results
+    gitfiles=$(wc -l "$files" | cut -d\  -f1)
+    procfiles=$(grep "Parsing: " "${log}-1" | wc -l)
+    echo
+    echo "C source/header files checked into git: $gitfiles"
+    echo "Files processed by uncrustify:          $procfiles"
+    echo
+
+    # Post-Patch files modified after we uncrustify have adjusted them
+    if [ -r "${files}.postpatch" ]; then
+        while read srcfile;
+        do
+            patchfile="${srcroot}"/dev-tools/reformat-patches/after_$(echo "$srcfile" | tr "/" "_").patch
+            if [ -r "$patchfile" ]; then
+                echo "** INFO **  Post-patching '$srcfile'"
+                git apply "$patchfile"
+                if [ $? -ne 0 ]; then
+                    echo "** WARN ** Failed to apply $patchfile"
+                fi
+            else
+                echo "** WARN ** Post-patch file for $srcfile is missing: $patchfile"
+            fi
+        done < "${files}.postpatch"
+        rm -f "${files}.postpatch"
+    fi
+} | tee "${log}-2" # Log needs to be closed here, to be processed in next block
+
+cat "${log}-1" "${log}-2" > "$log"
+
+{
+    ec=1
+    echo
+    if [ "$gitfiles" -eq "$procfiles" ]; then
+        echo "Reformatting completed successfully"
+        ec=0
+    else
+        last=$(tail -n1 "${log}-1")
+        echo "** ERROR ** Reformating failed to process all files."
+        echo "            uncrustify exit code: $res"
+        echo "            Last log line: $last"
+        echo
+    fi
+    rm -f "${log}-1" "${log}-2"
+} | tee -a "$log"
+rm -f "${files}"
+
+exit $ec
diff --git a/dev-tools/reformat-patches/after_include_openvpn-plugin.h.in.patch b/dev-tools/reformat-patches/after_include_openvpn-plugin.h.in.patch
new file mode 100644
index 0000000..100da07
--- /dev/null
+++ b/dev-tools/reformat-patches/after_include_openvpn-plugin.h.in.patch
@@ -0,0 +1,13 @@
+diff --git a/include/openvpn-plugin.h.in b/include/openvpn-plugin.h.in
+index 05bffab..05b4b6a 100644
+--- a/include/openvpn-plugin.h.in
++++ b/include/openvpn-plugin.h.in
+@@ -169,7 +169,7 @@ typedef void *openvpn_plugin_handle_t;
+ /*
+  * We are compiling OpenVPN.
+  */
+-/* #define OPENVPN_PLUGIN_DEF        typedef */
++#define OPENVPN_PLUGIN_DEF        typedef
+ #define OPENVPN_PLUGIN_FUNC(name) (*name)
+
+ #else  /* ifdef OPENVPN_PLUGIN_H */
diff --git a/dev-tools/reformat-patches/before_include_openvpn-plugin.h.in.patch b/dev-tools/reformat-patches/before_include_openvpn-plugin.h.in.patch
new file mode 100644
index 0000000..679c414
--- /dev/null
+++ b/dev-tools/reformat-patches/before_include_openvpn-plugin.h.in.patch
@@ -0,0 +1,13 @@
+diff --git a/include/openvpn-plugin.h.in b/include/openvpn-plugin.h.in
+index 34ad18b..f4c5472 100644
+--- a/include/openvpn-plugin.h.in
++++ b/include/openvpn-plugin.h.in
+@@ -169,7 +169,7 @@ typedef void *openvpn_plugin_handle_t;
+ /*
+  * We are compiling OpenVPN.
+  */
+-#define OPENVPN_PLUGIN_DEF        typedef
++// #define OPENVPN_PLUGIN_DEF        typedef
+ #define OPENVPN_PLUGIN_FUNC(name) (*name)
+
+ #else
diff --git a/dev-tools/special-files.lst b/dev-tools/special-files.lst
new file mode 100644
index 0000000..f3f77ea
--- /dev/null
+++ b/dev-tools/special-files.lst
@@ -0,0 +1,4 @@
+E:doc/doxygen/doc_key_generation.h     # @verbatim section gets mistreated, exclude it
+E:src/compat/compat-lz4.c              # Preserve LZ4 upstream formatting
+E:src/compat/compat-lz4.h              # Preserve LZ4 upstream formatting
+P:include/openvpn-plugin.h.in          # uncrustify segfaults, patch it before+after
diff --git a/dev-tools/uncrustify.conf b/dev-tools/uncrustify.conf
new file mode 100644
index 0000000..25eb4cd
--- /dev/null
+++ b/dev-tools/uncrustify.conf
@@ -0,0 +1,76 @@
+# Use Allman-style
+indent_columns=4
+indent_braces=false
+indent_else_if=false
+indent_switch_case=4
+indent_label=1
+nl_if_brace=add
+nl_brace_else=add
+nl_elseif_brace=add
+nl_else_brace=add
+nl_else_if=remove
+nl_for_brace=add
+nl_while_brace=add
+nl_switch_brace=add
+nl_fdef_brace=add
+nl_do_brace=add
+sp_func_proto_paren=Remove
+sp_func_def_paren=Remove
+sp_func_call_paren=Remove
+sp_sizeof_paren=Remove
+
+# No tabs, spaces only
+indent_with_tabs=0
+align_with_tabs=false
+cmt_convert_tab_to_spaces=true
+
+# Do not put spaces between the # and preprocessor statements
+pp_space=remove
+
+# Various whitespace fiddling
+sp_assign=add
+sp_before_sparen=add
+sp_inside_sparen=remove
+sp_cond_colon=add
+sp_cond_question=add
+sp_bool=add
+sp_else_brace=add
+sp_brace_else=add
+pos_arith=Lead
+pos_bool=Lead
+nl_func_type_name=add
+nl_before_case=true
+nl_assign_leave_one_liners=true
+nl_enum_leave_one_liners=true
+nl_brace_fparen=add
+nl_max=4
+nl_after_func_proto=2
+
+# Always use scoping braces for conditionals
+mod_full_brace_if=add
+mod_full_brace_if_chain=false
+mod_full_brace_while=add
+mod_full_brace_for=add
+mod_full_brace_do=add
+
+# Annotate #else and #endif statements
+mod_add_long_ifdef_endif_comment=20
+mod_add_long_ifdef_else_comment=5
+
+# Misc cleanup
+mod_remove_extra_semicolon=true
+
+# leave blank at end of empty for() statements
+sp_after_semi_for_empty=Add
+
+# Use C-style comments (/* .. */)
+cmt_c_nl_end=true
+cmt_star_cont=true
+cmt_cpp_to_c=true
+
+# Use "char **a"-style pointer stars/dereferences
+sp_before_ptr_star=Add
+sp_between_ptr_star=Remove
+sp_after_ptr_star=Remove
+sp_before_byref=Add
+sp_after_byref=Remove
diff --git a/dev-tools/update-copyright.sh b/dev-tools/update-copyright.sh
new file mode 100755
index 0000000..a874631
--- /dev/null
+++ b/dev-tools/update-copyright.sh
@@ -0,0 +1,50 @@
+#!/bin/sh
+# update-copyright-sh - Simple tool to update the Copyright lines
+#                       in all files checked into git
+#
+# Copyright (C) 2016-2018 David Sommerseth <davids@openvpn.net>
+#
+# 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
+# of the License.
+#
+# 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+
+# Basic shell sanity
+set -eu
+
+# Simple argument control
+if [ $# -ne 1 ]; then
+    echo "Usage: $0 <New Copyright Year>"
+    exit 1
+fi
+
+# Only update Copyright lines with these owners
+# The 'or' operator is GNU sed specific, and must be \|
+UPDATE_COPYRIGHT_LINES="@openvpn\.net\|@fox-it\.com\|@sophos.com\|@eurephia\.net\|@greenie\.muc\.de"
+COPY_YEAR="$1"
+
+cd "$(git rev-parse --show-toplevel)"
+for file in $(git ls-files | grep -v vendor/);
+do
+    echo -n "Updating $file ..."
+    # The first sed operation covers 20xx-20yy copyright lines,
+    # The second sed operation changes 20xx -> 20xx-20yy
+    sed -e "/$UPDATE_COPYRIGHT_LINES/s/\(Copyright (C) 20..-\)\(20..\)[[:blank:]]\+/\1$COPY_YEAR /" \
+        -e "/$UPDATE_COPYRIGHT_LINES/s/\(Copyright (C) \)\(20..\)[[:blank:]]\+/\1\2-$COPY_YEAR /" \
+        -i $file
+    echo " Done"
+done
+echo
+echo "** All files updated with $COPY_YEAR as the ending copyright year"
+echo
+exit 0