commit fa0f65f3f2b9be47c82dc931e0648b9dddfa8c05 Author: Georg Koppen <gk@torproject.org> Date: Mon Jun 8 13:29:49 2015 +0000 Bug 16011: Add a script to check authenticode sigs --- tools/authenticode_check.sh | 95 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 95 insertions(+) diff --git a/tools/authenticode_check.sh b/tools/authenticode_check.sh new file mode 100755 index 0000000..86472ae --- /dev/null +++ b/tools/authenticode_check.sh @@ -0,0 +1,95 @@ +#!/bin/sh + +# Copyright (c) 2015, The Tor Project, Inc. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: + +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# * 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. +# +# * Neither the names of the copyright owners nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT +# OWNER 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. + +# Usage: +# 1) Let OSSLSIGNCODE point to your osslsigncode binary +# 2) Change into the directory containing the .exe files and the sha256sums.txt +# 3) Run /path/to/authenticode_check.sh + +if [ -z "$OSSLSIGNCODE" ] +then + echo "The path to your osslsigncode binary is missing!" + exit 1 +fi + +UNSIGNED_BUNDLES=0 +BADSIGNED_BUNDLES=0 + +mkdir tmp + +for f in `ls *.exe`; do + SHA256_TXT=`grep "$f" sha256sums.txt` + + # Test 1: Is the .exe file still unsigned? I.e. does its SHA 256 sum still + # match the one we had before we signed the .exe file? If so, notify us + # later and exit. + if [ "$SHA256_TXT" = "`sha256sum $f`" ] + then + echo "$f has still the SHA 256 sum of the unsigned bundle!" + UNSIGNED_BUNDLES=`expr $UNSIGNED_BUNDLES + 1` + fi + + # Test 2: Do we get the old SHA 256 sum after stripping the authenticode + # signature? If not, notify us later and exit. + if [ "$UNSIGNED_BUNDLES" = "0" ] + then + # At least we seem to have attempted to sign the bundle. Let's see if we + # succeeded by stripping the signature. This behavior is reproducible. + # Thus, we know if we don't get the same SHA 256 sum we did not sign the + # bundle correctly. + echo "Trying to strip the authenticode signature of $f..." + ${OSSLSIGNCODE} remove-signature $f tmp/$f + cd tmp + if ! [ "$SHA256_TXT" = "`sha256sum $f`" ] + then + BADSIGNED_BUNDLES=`expr $BADSIGNED_BUNDLES + 1` + fi + cd .. + fi +done + +rm -rf tmp/ + +if ! [ "$UNSIGNED_BUNDLES" = "0" ] +then + echo "We got $UNSIGNED_BUNDLES unsigned bundle(s), exiting..." + exit 1 +fi + +if ! [ "$BADSIGNED_BUNDLES" = "0" ] +then + echo "We got $BADSIGNED_BUNDLES badly signed bundle(s), exiting..." + exit 1 +fi + +echo "The signatures are fine." +exit 0