macOS: enable hardened runtime when signing

hardened runtime is prerequisite for notarizing apps, which in turn is
required for new developer IDs with 10.14.5 already and will be required
for all software to run in future versions of macOS

https://developer.apple.com/documentation/security/notarizing_your_app_before_distribution

Change-Id: Ifdf73fb5901be5dd0b62e1a51dee6e57c9816e5f
Reviewed-on: https://gerrit.libreoffice.org/73246
Tested-by: Jenkins
Reviewed-by: Christian Lohmaier <lohmaier+LibreOffice@googlemail.com>

hardened_runtime.xcent

+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+    <dict>
+        <!-- AppleScript support -->
+        <key>com.apple.security.automation.apple-events</key>
+        <true/>
+        <!-- for extension manager, "exception in synchronize" -->
+        <key>com.apple.security.cs.disable-executable-page-protection</key>
+        <true/>
+        <!-- allow use of third-party plugins/frameworks (aka Java) -->
+        <key>com.apple.security.cs.disable-library-validation</key>
+        <true/>
+    </dict>
+</plist>

solenv/bin/macosx-codesign-app-bundle

@@ -36,7 +36,7 @@ if test -n "$ENABLE_MACOSX_SANDBOX"; then
     other_files=''
 else
     # We then want to sign data files, too, hmm.
-    entitlements=''
+    entitlements="--entitlements $SRCDIR/hardened_runtime.xcent"
     other_files="\
  -or -name '*.fodt' -or -name 'schema.strings' -or -name 'schema.xml' \
  -or -name '*.jar' -or -name 'LICENSE' -or -name 'LICENSE.html' \
@@ -83,7 +83,7 @@ while read app; do
     fn=${fn%.*}
     # Assume the app has a XML (and not binary) Info.plist
     id=`grep -A 1 '<key>CFBundleIdentifier</key>' $app/Contents/Info.plist | tail -1 | sed -e 's,.*<string>,,' -e 's,</string>.*,,'`
-    codesign --verbose --force --identifier=$id --sign "$MACOSX_CODESIGNING_IDENTITY" $entitlements "$app" > "/tmp/codesign_${fn}.log" 2>&1
+    codesign --verbose --options=runtime --force --identifier=$id --sign "$MACOSX_CODESIGNING_IDENTITY" $entitlements "$app" > "/tmp/codesign_${fn}.log" 2>&1
     if [ "$?" != "0" ] ; then
 	exit 1
     fi
@@ -100,7 +100,11 @@ while read framework; do
         if test ! -L "$version" -a -d "$version"; then
 	    # Assume the framework has a XML (and not binary) Info.plist
 	    id=`grep -A 1 '<key>CFBundleIdentifier</key>' $version/Resources/Info.plist | tail -1 | sed -e 's,.*<string>,,' -e 's,</string>.*,,'`
-            codesign --verbose --force --identifier=$id --sign "$MACOSX_CODESIGNING_IDENTITY" "$version" > "/tmp/codesign_${fn}.log" 2>&1
+            # files in bin are not covered by signing the framework...
+            for scriptorexecutable in $(find $version/bin/ -type f); do
+                codesign --verbose --options=runtime --force --identifier=$id --sign "$MACOSX_CODESIGNING_IDENTITY" "$scriptorexecutable" >> "/tmp/codesign_${fn}.log" 2>&1
+            done
+            codesign --verbose --force --identifier=$id --sign "$MACOSX_CODESIGNING_IDENTITY" "$version" >> "/tmp/codesign_${fn}.log" 2>&1
 	    if [ "$?" != "0" ] ; then
 		exit 1
 	    fi
@@ -129,7 +133,7 @@ while read file; do
 	    ;;
 	*)
 	    id=`echo ${file#${APP_BUNDLE}/Contents/} | sed -e 's,/,.,g'`
-	    codesign --force --verbose --identifier=$MACOSX_BUNDLE_IDENTIFIER.$id --sign "$MACOSX_CODESIGNING_IDENTITY" $entitlements "$file"  > "/tmp/codesign_${MACOSX_BUNDLE_IDENTIFIER}.${id}.log" 2>&1
+	    codesign --force --verbose --options=runtime --identifier=$MACOSX_BUNDLE_IDENTIFIER.$id --sign "$MACOSX_CODESIGNING_IDENTITY" $entitlements "$file"  > "/tmp/codesign_${MACOSX_BUNDLE_IDENTIFIER}.${id}.log" 2>&1
 	    if [ "$?" != "0" ] ; then
 		exit 1
 	    fi
@@ -152,7 +156,7 @@ done
 
 id=`echo ${PRODUCTNAME} | tr ' ' '-'`
 
-codesign --force --verbose --identifier="${MACOSX_BUNDLE_IDENTIFIER}" --sign "$MACOSX_CODESIGNING_IDENTITY" $entitlements "$APP_BUNDLE" > "/tmp/codesign_${MACOSX_BUNDLE_IDENTIFIER}.log" 2>&1
+codesign --force --verbose --options=runtime --identifier="${MACOSX_BUNDLE_IDENTIFIER}" --sign "$MACOSX_CODESIGNING_IDENTITY" $entitlements "$APP_BUNDLE" > "/tmp/codesign_${MACOSX_BUNDLE_IDENTIFIER}.log" 2>&1
 if [ "$?" != "0" ] ; then
     exit 1
 fi

solenv/gbuild/platform/macosx.mk

@@ -132,7 +132,7 @@ $(call gb_Helper_abbreviate_dirs,\
 	$(if $(MACOSX_CODESIGNING_IDENTITY), \
 		$(if $(filter Executable,$(TARGETTYPE)), \
 			$(if $(filter-out $(call gb_Executable_get_target,soffice_bin),$(1)), \
-				codesign --identifier=$(MACOSX_BUNDLE_IDENTIFIER).$(notdir $(1)) --sign $(MACOSX_CODESIGNING_IDENTITY) --force $(1) &&))) \
+				codesign --identifier=$(MACOSX_BUNDLE_IDENTIFIER).$(notdir $(1)) --sign $(MACOSX_CODESIGNING_IDENTITY) --options=runtime --force $(1) &&))) \
 	$(if $(filter Library,$(TARGETTYPE)),\
 		otool -l $(1) | grep -A 5 LC_ID_DYLIB \
 			> $(WORKDIR)/LinkTarget/$(2).exports.tmp && \