-# some Ruby code to replace library paths in binary files
-# should work with Ruby 1.9 and 1.8
-! read -d '' fixpath <<"EOF"
-if String.method_defined?(:encode)
- $_.encode!("UTF-8", "UTF-8", :invalid => :replace)
-end
-$_.gsub!(/#{ENV["br"]}(.*?)\0/) do |s|
- $1 + ( "\0" * ENV["br"].size ) + "\0"
-end
-EOF
+# courtesy http://everydaywithlinux.blogspot.com.au/2012/11/patch-strings-in-binary-files-with-sed.html
+function patch_strings_in_file() {
+ local FILE="$1"
+ local PATTERN="$2"
+ local REPLACEMENT="$3"
+
+ # Find all unique strings in FILE that contain the pattern
+ STRINGS=$(strings ${FILE} | grep ${PATTERN} | sort -u -r)
+
+ if [ "${STRINGS}" != "" ] ; then
+ echo "File '${FILE}' contain strings with '${PATTERN}' in them:"
+
+ for OLD_STRING in ${STRINGS} ; do
+ # Create the new string with a simple bash-replacement
+ NEW_STRING=${OLD_STRING//${PATTERN}/${REPLACEMENT}}
+
+ # Create null terminated ASCII HEX representations of the strings
+ OLD_STRING_HEX="$(echo -n ${OLD_STRING} | xxd -g 0 -u -ps -c 256)00"
+ NEW_STRING_HEX="$(echo -n ${NEW_STRING} | xxd -g 0 -u -ps -c 256)00"
+
+ if [ ${#NEW_STRING_HEX} -le ${#OLD_STRING_HEX} ] ; then
+ # Pad the replacement string with null terminations so the
+ # length matches the original string
+ while [ ${#NEW_STRING_HEX} -lt ${#OLD_STRING_HEX} ] ; do
+ NEW_STRING_HEX="${NEW_STRING_HEX}00"
+ done
+
+ # Now, replace every occurrence of OLD_STRING with NEW_STRING
+ echo -n "Replacing ${OLD_STRING} with ${NEW_STRING}... "
+ hexdump -ve '1/1 "%.2X"' ${FILE} | \
+ sed "s/${OLD_STRING_HEX}/${NEW_STRING_HEX}/g" | \
+ xxd -r -p > ${FILE}.tmp
+ mv ${FILE}.tmp ${FILE}
+ echo "Done!"
+ else
+ echo "New string '${NEW_STRING}' is longer than old" \
+ "string '${OLD_STRING}'. Skipping."
+ fi
+ done
+ fi
+}