[ticket/12693] Add a travis test that checks file permissions

PHPBB3-12693

.travis.yml

@@ -38,6 +38,7 @@ before_script:
 script:
   - travis/phing-sniff.sh $DB $TRAVIS_PHP_VERSION
   - travis/check-image-icc-profiles.sh $DB $TRAVIS_PHP_VERSION
+  - travis/check-executable-files.sh $DB $TRAVIS_PHP_VERSION phpBB/
   - phpBB/vendor/bin/phpunit --configuration travis/phpunit-$DB-travis.xml
   - sh -c "if [ '$TRAVIS_PHP_VERSION' = '5.5' -a '$DB' = 'mysqli' -a '$TRAVIS_PULL_REQUEST' != 'false' ]; then git-tools/commit-msg-hook-range.sh origin/$TRAVIS_BRANCH..FETCH_HEAD; fi"
 

travis/check-executable-files.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+#
+# This file is part of the phpBB Forum Software package.
+#
+# @copyright (c) phpBB Limited <https://www.phpbb.com>
+# @license GNU General Public License, version 2 (GPL-2.0)
+#
+# For full copyright and license information, please see
+# the docs/CREDITS.txt file.
+#
+set -e
+
+
+DB=$1
+TRAVIS_PHP_VERSION=$2
+path="$3"
+
+if [ "$TRAVIS_PHP_VERSION" == "5.5" -a "$DB" == "mysqli" ]
+then
+	# Get the list of the executables files under a given path
+	# The part "-name 'develop' -o -name 'vendor'" defines a set
+	# of ignored directories.
+	# The part "-path '*/bin/phpbbcli.php' -o -name 'composer.phar'"
+	# defines a whitelist.
+
+	executables_files=$( 							\
+		find ${path}								\
+			'('										\
+				'('									\
+					-name 'develop' -o				\
+					-name 'vendor'					\
+				')'									\
+				-a -type d -prune -a -type f		\
+			')'										\
+			-o '('									\
+				-not '('							\
+					-path '*/bin/phpbbcli.php' -o	\
+					-name 'composer.phar'			\
+				')'									\
+			-a '('									\
+				-perm 755 -a						\
+				-type f								\
+			')'										\
+		')'											\
+	)
+
+	if [ "$executables_files" != '' ]
+	then
+	  echo "$executables_files MUST NOT be executable.";
+	  exit 1;
+	fi
+fi