confuse.sh

#!/usr/bin/env bash

TABLENAME=symbols
SYMBOL_DB_FILE="symbols"
STRING_SYMBOL_FILE="func.list"
HEAD_FILE="$PROJECT_DIR/$PROJECT_NAME/codeObfuscation.h"
export LC_CTYPE=C

#维护数据库方便日后作排重
createTable() {
    echo "create table $TABLENAME(src text, des text);" | sqlite3 $SYMBOL_DB_FILE
}

insertValue() {
    echo "insert into $TABLENAME values('$1' ,'$2');" | sqlite3 $SYMBOL_DB_FILE
}

query() {
    echo "select * from $TABLENAME where src='$1';" | sqlite3 $SYMBOL_DB_FILE
}

ramdomString() {
    openssl rand -base64 64 | tr -cd 'a-zA-Z' | head -c 16
}

rm -f $SYMBOL_DB_FILE
rm -f $HEAD_FILE
createTable

touch $HEAD_FILE
echo '#ifndef Demo_codeObfuscation_h
#define Demo_codeObfuscation_h' >>$HEAD_FILE
echo "//confuse string at $(date)" >>$HEAD_FILE
cat "$STRING_SYMBOL_FILE" | while read -ra line; do
    if [[ ! -z "$line" ]]; then
        ramdom=$(ramdomString)
        echo $line $ramdom
        insertValue $line $ramdom
        echo "#define $line $ramdom" >>$HEAD_FILE
    fi
done
echo "#endif" >>$HEAD_FILE

sqlite3 $SYMBOL_DB_FILE .dump