1 files changed, 55 insertions, 0 deletions
diff --git a/utils/libtokencap/generate_libtoken_dict.sh b/utils/libtokencap/generate_libtoken_dict.sh
new file mode 100644
index 00000000..cc8c5de7
--- /dev/null
+++ b/utils/libtokencap/generate_libtoken_dict.sh
@@ -0,0 +1,55 @@
+#help
+usage() {
+    echo "Usage: $0 -o <target_output> -b <target_bin> -p <LD_PRELOAD_PATH> [-t <timeout_sec>] -- [target_args]"
+    echo "Options:"
+    echo "  -o  Path to target output directory"
+    echo "  -b  Path to target program binary"
+    echo "  -p  Path to LD_PRELOAD library"
+    echo "  -t  Timeout in seconds"
+    exit 1
+}
+
+#parse cli options
+while getopts ":o:b:p:t:" opt; do
+    case $opt in
+        o) target_output="$OPTARG" ;;
+        b) target_bin="$OPTARG" ;;
+        p) LD_PRELOAD_PATH="$OPTARG" ;;
+        t) timeout_sec="$OPTARG" ;;
+        \?) echo "Invalid option: -$OPTARG" >&2; usage ;;
+        :) echo "Option -$OPTARG requires an argument." >&2; usage ;;
+    esac
+done
+
+#shift away the parsed opts
+shift $((OPTIND - 1))
+
+#check options
+if [ -z "$target_output" ] || [ -z "$target_bin" ] || [ -z "$LD_PRELOAD_PATH" ]; then
+    echo "Error: Missing mandatory opts" >&2
+    usage
+fi
+
+# initialize vars
+AFL_TOKEN_FILE="${PWD}/temp_output.txt"
+AFL_DICT_FILE="${PWD}/$(basename "$target_bin")_tokens.dict"
+
+#generate token-file
+{
+    touch "$AFL_TOKEN_FILE"
+    for i in $(find "$target_output" -type f -name "id*"); do
+        LD_PRELOAD="$LD_PRELOAD_PATH" \
+        timeout -s SIGKILL "$timeout_sec" \
+        "$target_bin" "$@" "$i"
+    done
+} >"$AFL_TOKEN_FILE"
+
+# sort & remove duplicates
+sort -u "$AFL_TOKEN_FILE" >"$AFL_DICT_FILE"
+
+# delete temp-file
+rm "$AFL_TOKEN_FILE"
+
+# print done-message
+echo "Token dictionary created: $AFL_DICT_FILE"
+echo "Script completed successfully"