Beispiel #1
0
# Type of printing.
OK = 'ok'  # [*]
NOTE = 'note'  # [+]
FAIL = 'fail'  # [-]
WARNING = 'warn'  # [!]
NONE = 'none'  # No label.

if __name__ == "__main__":
    util = Utilty()

    # Read config.ini.
    full_path = os.path.dirname(os.path.abspath(__file__))
    config = configparser.ConfigParser()
    try:
        config.read(util.join_path(full_path, 'config.ini'))
    except FileExistsError as e:
        util.print_message(FAIL, 'File exists error: {}'.format(e))
        sys.exit(1)

    # Common setting value.
    html_dir = util.join_path(full_path, config['Common']['html_dir'])
    html_template = config['Common']['html_template']

    # Genetic Algorithm setting value.
    html_eval_place_list = config['Genetic']['html_eval_place'].split('@')
    max_try_num = int(config['Genetic']['max_try_num'])

    # Selenium setting value.
    driver_dir = util.join_path(full_path, config['Selenium']['driver_dir'])
    driver_list = config['Selenium']['driver_list'].split('@')
Beispiel #2
0
class GeneticAlgorithm:
    def __init__(self, template, browser):
        self.util = Utilty()
        self.template = template
        self.obj_browser = browser

        # Read config.ini.
        full_path = os.path.dirname(os.path.abspath(__file__))
        config = configparser.ConfigParser()
        try:
            config.read(self.util.join_path(full_path, 'config.ini'))
        except FileExistsError as e:
            self.util.print_message(FAIL, 'File exists error: {}'.format(e))
            sys.exit(1)
        # Common setting value.
        self.wait_time = float(config['Common']['wait_time'])
        self.html_dir = self.util.join_path(full_path,
                                            config['Common']['html_dir'])
        self.html_template = config['Common']['html_template']
        self.html_template_path = self.util.join_path(self.html_dir,
                                                      self.html_template)
        self.html_file = config['Common']['ga_html_file']
        self.result_dir = self.util.join_path(full_path,
                                              config['Common']['result_dir'])

        # Genetic Algorithm setting value.
        self.genom_length = int(config['Genetic']['genom_length'])
        self.max_genom_list = int(config['Genetic']['max_genom_list'])
        self.select_genom = int(config['Genetic']['select_genom'])
        self.individual_mutation_rate = float(
            config['Genetic']['individual_mutation_rate'])
        self.genom_mutation_rate = float(
            config['Genetic']['genom_mutation_rate'])
        self.max_generation = int(config['Genetic']['max_generation'])
        self.max_fitness = int(config['Genetic']['max_fitness'])
        self.gene_dir = self.util.join_path(full_path,
                                            config['Genetic']['gene_dir'])
        self.genes_path = self.util.join_path(self.gene_dir,
                                              config['Genetic']['gene_file'])
        html_checker_dir = self.util.join_path(
            full_path, config['Genetic']['html_checker_dir'])
        self.html_checker = self.util.join_path(
            html_checker_dir, config['Genetic']['html_checker_file'])
        self.html_checker_option = config['Genetic']['html_checker_option']
        self.html_checked_path = self.util.join_path(
            self.html_dir, config['Genetic']['html_checked_file'])
        self.html_eval_place_list = config['Genetic']['html_eval_place'].split(
            '@')
        self.bingo_score = float(config['Genetic']['bingo_score'])
        self.warning_score = float(config['Genetic']['warning_score'])
        self.error_score = float(config['Genetic']['error_score'])
        self.result_file = config['Genetic']['result_file']
        self.result_list = []

    # Create population.
    def create_genom(self, df_gene):
        lst_gene = []
        for _ in range(self.genom_length):
            lst_gene.append(random.randint(0, len(df_gene.index) - 1))
        self.util.print_message(OK,
                                'Created individual : {}.'.format(lst_gene))
        return Gene(lst_gene, 0)

    # Evaluation.
    def evaluation(self, obj_ga, df_gene, eval_place, individual_idx):
        # Build html syntax.
        indivisual = self.util.transform_gene_num2str(df_gene,
                                                      obj_ga.genom_list)
        html = self.template.render({eval_place: indivisual})
        eval_html_path = self.util.join_path(
            self.html_dir, self.html_file.replace('*', str(individual_idx)))
        with codecs.open(eval_html_path, 'w', encoding='utf-8') as fout:
            fout.write(html)

        # Evaluate html syntax using tidy.
        command = self.html_checker + ' ' + self.html_checker_option + ' ' + \
                  self.html_checked_path + ' ' + eval_html_path
        enc = locale.getpreferredencoding()
        env_tmp = os.environ.copy()
        env_tmp['PYTHONIOENCODING'] = enc
        subprocess.Popen(command,
                         stdout=subprocess.PIPE,
                         stderr=subprocess.PIPE,
                         env=env_tmp)

        # Check html checked result.
        str_eval_result = ''
        with codecs.open(self.html_checked_path, 'r', encoding='utf-8') as fin:
            str_eval_result = fin.read()
        # Check warning and error number.
        str_pattern = r'.*Tidy found ([0-9]+) warnings and ([0-9]+) errors.*$'
        obj_match = re.match(
            str_pattern,
            str_eval_result.replace('\t', '').replace('\r',
                                                      '').replace('\n', ''))
        warnings = 0.0
        errors = 0.0
        if obj_match:
            warnings = int(obj_match.group(1)) * -0.1
            errors = int(obj_match.group(2)) * -1.0
        else:
            return None, 1

        # Compute score.
        int_score = warnings + errors

        # Evaluate running script using selenium.
        selenium_score, error_flag = self.util.check_individual_selenium(
            self.obj_browser, eval_html_path)
        if error_flag:
            return None, 1

        # Check result of selenium.
        if selenium_score > 0:
            self.util.print_message(
                OK, 'Detect running script: "{}" in {}.'.format(
                    indivisual, eval_place))

            # compute score for running script.
            int_score += self.bingo_score
            self.result_list.append(
                [eval_place, obj_ga.genom_list, indivisual])

            # Output evaluation results.
            self.util.print_message(
                OK, 'Evaluation result : Browser={} {}, '
                'Individual="{} ({})", '
                'Score={}'.format(self.obj_browser.name,
                                  self.obj_browser.capabilities['version'],
                                  indivisual, obj_ga.genom_list,
                                  str(int_score)))
        return int_score, 0

    # Select elite individual.
    def select(self, obj_ga, elite):
        # Sort in desc order of evaluation.
        sort_result = sorted(obj_ga, reverse=True, key=lambda u: u.evaluation)

        # Extract elite individuals.
        return [sort_result.pop(0) for _ in range(elite)]

    # Crossover (create offspring).
    def crossover(self, ga_first, ga_second):
        genom_list = []

        # Setting of two-point crossover.
        cross_first = random.randint(0, self.genom_length)
        cross_second = random.randint(cross_first, self.genom_length)
        one = ga_first.getGenom()
        second = ga_second.getGenom()

        # Crossover.
        progeny_one = one[:cross_first] + second[
            cross_first:cross_second] + one[cross_second:]
        progeny_second = second[:cross_first] + one[
            cross_first:cross_second] + second[cross_second:]
        genom_list.append(Gene(progeny_one, 0))
        genom_list.append(Gene(progeny_second, 0))

        return genom_list

    # Create population of next generation.
    def next_generation_gene_create(self, ga, ga_elite, ga_progeny):
        # Sort in asc order of evaluation.
        next_generation_geno = sorted(ga,
                                      reverse=False,
                                      key=lambda u: u.evaluation)

        # Remove sum of adding the elite group and offspring group.
        for _ in range(0, len(ga_elite) + len(ga_progeny)):
            next_generation_geno.pop(0)

        # Add the elite group and offspring group to the next generation.
        next_generation_geno.extend(ga_elite)
        next_generation_geno.extend(ga_progeny)
        return next_generation_geno

    # Mutation.
    def mutation(self, obj_ga, induvidual_mutation, genom_mutation, df_genes):
        lst_ga = []
        for idx in obj_ga:
            # Mutation to individuals.
            if induvidual_mutation > (random.randint(0, 100) / Decimal(100)):
                lst_gene = []
                for idx2 in idx.getGenom():
                    # Mutation to genes.
                    if genom_mutation > (random.randint(0, 100) /
                                         Decimal(100)):
                        lst_gene.append(
                            random.randint(0,
                                           len(df_genes.index) - 1))
                    else:
                        lst_gene.append(idx2)
                idx.setGenom(lst_gene)
                lst_ga.append(idx)
            else:
                lst_ga.append(idx)
        return lst_ga

    # Main control.
    def main(self):
        # Load gene list.
        df_genes = pd.read_csv(self.genes_path, encoding='utf-8').fillna('')

        # Create saving file (only header).
        save_path = self.util.join_path(
            self.result_dir,
            self.result_file.replace('*', self.obj_browser.name))
        if os.path.exists(save_path) is False:
            pd.DataFrame([],
                         columns=['eval_place', 'sig_vector',
                                  'sig_string']).to_csv(save_path,
                                                        mode='w',
                                                        header=True,
                                                        index=False)

        # Evaluate indivisual each evaluating place in html.
        for eval_place in self.html_eval_place_list:
            self.util.print_message(
                NOTE, 'Evaluating html place : {}'.format(eval_place))

            # Generate 1st generation.
            self.util.print_message(NOTE, 'Create population.')
            current_generation = []
            for _ in range(self.max_genom_list):
                current_generation.append(self.create_genom(df_genes))

            # Evaluate each generation.
            for int_count in range(1, self.max_generation + 1):
                self.util.print_message(
                    NOTE, 'Evaluate individual : {}/{} generation.'.format(
                        str(int_count), self.max_generation))
                for indivisual, idx in enumerate(range(self.max_genom_list)):
                    self.util.print_message(
                        OK, 'Evaluation individual in {}: '
                        '{}/{} in {} generation'.format(
                            eval_place, indivisual + 1, self.max_genom_list,
                            str(int_count)))
                    evaluation_result, eval_status = self.evaluation(
                        current_generation[indivisual], df_genes, eval_place,
                        idx)

                    idx += 1
                    if eval_status == 1:
                        indivisual -= 1
                        continue
                    current_generation[indivisual].setEvaluation(
                        evaluation_result)
                    time.sleep(self.wait_time)

                # Select elite's individual.
                elite_genes = self.select(current_generation,
                                          self.select_genom)

                # Crossover of elite gene.
                progeny_gene = []
                for i in range(0, self.select_genom):
                    progeny_gene.extend(
                        self.crossover(elite_genes[i - 1], elite_genes[i]))

                # Select elite group.
                next_generation_individual_group = self.next_generation_gene_create(
                    current_generation, elite_genes, progeny_gene)

                # Mutation
                next_generation_individual_group = self.mutation(
                    next_generation_individual_group,
                    self.individual_mutation_rate, self.genom_mutation_rate,
                    df_genes)

                # Finish evolution computing for current generation.
                # Arrange fitness each individual.
                fits = [_.getEvaluation() for _ in current_generation]

                # evaluate evolution result.
                flt_avg = sum(fits) / float(len(fits))
                self.util.print_message(
                    NOTE, '{} generation result: '
                    'Min={}, Max={}, Avg={}.'.format(int_count, min(fits),
                                                     max(fits), flt_avg))

                # Judge fitness.
                if flt_avg > self.max_fitness:
                    self.util.print_message(
                        NOTE,
                        'Finish evolution: average={}'.format(str(flt_avg)))
                    break

                # Replace current generation and next generation.
                current_generation = next_generation_individual_group

        # Save individuals.
        pd.DataFrame(self.result_list).to_csv(save_path,
                                              mode='a',
                                              header=True,
                                              index=False)

        # Output final result.
        str_best_individual = ''
        for gene_num in elite_genes[0].getGenom():
            str_best_individual += str(df_genes.loc[gene_num].values[0])
        str_best_individual = str_best_individual.replace('%s', ' ').replace(
            '"', '"').replace('%comma', ',')
        self.util.print_message(
            NOTE, 'Best individual : "{}"'.format(str_best_individual))
        self.util.print_message(
            NOTE, 'Done creation of injection codes using Genetic Algorithm.')

        return self.result_list
class GAN:
    def __init__(self, template, browser):
        self.util = Utilty()
        self.template = template
        self.obj_browser = browser

        # Read config.ini.
        full_path = os.path.dirname(os.path.abspath(__file__))
        config = configparser.ConfigParser()
        try:
            config.read(self.util.join_path(full_path, 'config.ini'))
        except FileExistsError as e:
            self.util.print_message(FAIL, 'File exists error: {}'.format(e))
            sys.exit(1)

        # Common setting value.
        self.wait_time = float(config['Common']['wait_time'])
        self.html_dir = self.util.join_path(full_path,
                                            config['Common']['html_dir'])
        self.html_file = config['Common']['gan_html_file']
        self.result_dir = self.util.join_path(full_path,
                                              config['Common']['result_dir'])
        self.eval_html_path = self.util.join_path(self.html_dir,
                                                  self.html_file)

        # Genetic Algorithm setting value.
        self.genom_length = int(config['Genetic']['genom_length'])
        self.gene_dir = self.util.join_path(full_path,
                                            config['Genetic']['gene_dir'])
        self.genes_path = self.util.join_path(self.gene_dir,
                                              config['Genetic']['gene_file'])
        self.ga_result_file = config['Genetic']['result_file']
        self.eval_place_list = config['Genetic']['html_eval_place'].split('@')

        # Generative Adversarial Network setting value.
        self.input_size = int(config['GAN']['input_size'])
        self.batch_size = int(config['GAN']['batch_size'])
        self.num_epoch = int(config['GAN']['num_epoch'])
        self.max_sig_num = int(config['GAN']['max_sig_num'])
        self.max_explore_codes_num = int(
            config['GAN']['max_explore_codes_num'])
        self.max_synthetic_num = int(config['GAN']['max_synthetic_num'])
        self.weight_dir = self.util.join_path(full_path,
                                              config['GAN']['weight_dir'])
        self.gen_weight_file = config['GAN']['generator_weight_file']
        self.dis_weight_file = config['GAN']['discriminator_weight_file']
        self.gan_result_file = config['GAN']['result_file']
        self.gan_vec_result_file = config['GAN']['vec_result_file']
        self.generator = None

        # Load gene list.
        self.df_genes = pd.read_csv(self.genes_path,
                                    encoding='utf-8').fillna('')
        self.flt_size = len(self.df_genes) / 2.0

        # Path of trained weight.
        self.weight_path = self.util.join_path(
            self.weight_dir,
            self.gen_weight_file.replace('*', str(self.num_epoch - 1)))

    # Build generator model.
    def generator_model(self):
        model = Sequential()
        model.add(
            Dense(input_dim=self.input_size,
                  output_dim=self.input_size * 10,
                  init='glorot_uniform'))
        model.add(LeakyReLU(0.2))
        model.add(Dropout(0.5))
        model.add(Dense(self.input_size * 10, init='glorot_uniform'))
        model.add(LeakyReLU(0.2))
        model.add(Dropout(0.5))
        model.add(Dense(self.input_size * 5, init='glorot_uniform'))
        model.add(LeakyReLU(0.2))
        model.add(Dropout(0.5))
        model.add(Dense(output_dim=self.genom_length, init='glorot_uniform'))
        model.add(Activation('tanh'))
        return model

    # Build discriminator model.
    def discriminator_model(self):
        model = Sequential()
        model.add(
            Dense(input_dim=self.genom_length,
                  output_dim=self.genom_length * 10,
                  init='glorot_uniform'))
        model.add(LeakyReLU(0.2))
        model.add(Dense(self.genom_length * 10, init='glorot_uniform'))
        model.add(LeakyReLU(0.2))
        model.add(Dense(1, init='glorot_uniform'))
        model.add(Activation('sigmoid'))
        return model

    # Train GAN model (generate injection codes).
    def train(self, list_sigs):
        # Load train data (=ga result).
        X_train = []
        X_train = np.array(list_sigs)
        X_train = (X_train.astype(np.float32) - self.flt_size) / self.flt_size

        # Build discriminator.
        discriminator = self.discriminator_model()
        d_opt = SGD(lr=0.1, momentum=0.1, decay=1e-5)
        discriminator.compile(loss='binary_crossentropy', optimizer=d_opt)

        # Build generator and discriminator (fixed weight of discriminator).
        discriminator.trainable = False
        self.generator = self.generator_model()
        dcgan = Sequential([self.generator, discriminator])
        g_opt = SGD(lr=0.1, momentum=0.3)
        dcgan.compile(loss='binary_crossentropy', optimizer=g_opt)

        # Execute train.
        num_batches = int(len(X_train) / self.batch_size)
        lst_scripts = []
        for epoch in range(self.num_epoch):
            for batch in range(num_batches):
                # Create noise for inputting to generator.
                noise = np.array([
                    np.random.uniform(-1, 1, self.input_size)
                    for _ in range(self.batch_size)
                ])

                # Generate new injection code using noise.
                generated_codes = self.generator.predict(noise, verbose=0)

                # Update weight of discriminator.
                image_batch = X_train[batch * self.batch_size:(batch + 1) *
                                      self.batch_size]
                X = image_batch
                y = [random.uniform(0.7, 1.2) for _ in range(self.batch_size)]
                d_loss = discriminator.train_on_batch(X, y)
                X = generated_codes
                y = [random.uniform(0.0, 0.3) for _ in range(self.batch_size)]
                d_loss = discriminator.train_on_batch(X, y)

                # Update weight of generator.
                noise = np.array([
                    np.random.uniform(-1, 1, self.input_size)
                    for _ in range(self.batch_size)
                ])
                g_loss = dcgan.train_on_batch(noise, [1] * self.batch_size)

                # Build HTML syntax from generated codes.
                for generated_code in generated_codes:
                    lst_genom = []
                    for gene_num in generated_code:
                        gene_num = (gene_num * self.flt_size) + self.flt_size
                        gene_num = int(np.round(gene_num))
                        if gene_num == len(self.df_genes):
                            gene_num -= 1
                        lst_genom.append(int(gene_num))
                    str_html = self.util.transform_gene_num2str(
                        self.df_genes, lst_genom)
                    self.util.print_message(
                        OK,
                        'Train GAN : epoch={}, batch={}, g_loss={}, d_loss={}, {} ({})'
                        .format(
                            epoch, batch, g_loss, d_loss,
                            np.round((generated_code * self.flt_size) +
                                     self.flt_size), str_html))

                    # Evaluate generated injection code.
                    for eval_place in self.eval_place_list:
                        # Build html syntax.
                        html = self.template.render({eval_place: str_html})
                        with codecs.open(self.eval_html_path,
                                         'w',
                                         encoding='utf-8') as fout:
                            fout.write(html)

                        # Evaluate individual using selenium.
                        selenium_score, error_flag = self.util.check_individual_selenium(
                            self.obj_browser, self.eval_html_path)
                        if error_flag:
                            continue

                        # Check generated individual using selenium.
                        if selenium_score > 0:
                            self.util.print_message(
                                WARNING,
                                'Detect running script: "{}" in {}.'.format(
                                    str_html, eval_place))
                            # Save running script.
                            lst_scripts.append([eval_place, str_html])

            # Save weights of network each epoch.
            self.generator.save_weights(
                self.util.join_path(
                    self.weight_dir,
                    self.gen_weight_file.replace('*', str(epoch))))
            discriminator.save_weights(
                self.util.join_path(
                    self.weight_dir,
                    self.dis_weight_file.replace('*', str(epoch))))

        return lst_scripts

    # Transform from generated codes to gene list.
    def transform_code2gene(self, generated_code):
        lst_genom = []
        for gene_num in generated_code:
            gene_num = (gene_num * self.flt_size) + self.flt_size
            gene_num = int(np.round(gene_num))
            if gene_num == len(self.df_genes):
                gene_num -= 1
            lst_genom.append(int(gene_num))
        return lst_genom

    # Mean of two vectors.
    def vector_mean(self, vector1, vector2):
        return (vector1 + vector2) / 2

    # Main control.
    def main(self):
        # Define saving path.
        gan_save_path = self.util.join_path(
            self.result_dir,
            self.gan_result_file.replace('*', self.obj_browser.name))
        vec_save_path = self.util.join_path(
            self.result_dir,
            self.gan_vec_result_file.replace('*', self.obj_browser.name))

        # Start generating injection code.
        if os.path.exists(self.weight_path):
            # Load trained model.
            self.generator = self.generator_model()
            self.generator.load_weights('{}'.format(self.weight_path))

            # Explore the valid injection codes.
            valid_code_list = []
            result_list = []
            for idx in range(self.max_explore_codes_num):
                self.util.print_message(
                    NOTE, '{}/{} Explore valid injection code.'.format(
                        idx + 1, self.max_explore_codes_num))
                # Generate injection codes.
                noise = np.array([
                    np.random.uniform(-1, 1, self.input_size) for _ in range(1)
                ])
                generated_codes = self.generator.predict(noise, verbose=0)
                str_html = self.util.transform_gene_num2str(
                    self.df_genes,
                    self.transform_code2gene(generated_codes[0]))

                # Evaluate injection code using selenium.
                for eval_place in self.eval_place_list:
                    html = self.template.render({eval_place: str_html})
                    with codecs.open(self.eval_html_path,
                                     'w',
                                     encoding='utf-8') as fout:
                        fout.write(html)

                    selenium_score, error_flag = self.util.check_individual_selenium(
                        self.obj_browser, self.eval_html_path)
                    if error_flag:
                        continue

                    # Check generated injection code.
                    if selenium_score > 0:
                        self.util.print_message(
                            WARNING,
                            'Find valid injection code: "{}" in {}.'.format(
                                str_html, eval_place))
                        valid_code_list.append([str_html, noise])
                        result_list.append([eval_place, str_html])

            # Save generated injection codes.
            if os.path.exists(gan_save_path) is False:
                pd.DataFrame(result_list,
                             columns=['eval_place',
                                      'injection_code']).to_csv(gan_save_path,
                                                                mode='w',
                                                                header=True,
                                                                index=False)
            else:
                pd.DataFrame(result_list).to_csv(gan_save_path,
                                                 mode='a',
                                                 header=False,
                                                 index=False)

            # Synthesize injection codes.
            vector_result_list = []
            for idx in range(self.max_synthetic_num):
                noise_idx1 = np.random.randint(0, len(valid_code_list))
                noise_idx2 = np.random.randint(0, len(valid_code_list))
                self.util.print_message(
                    NOTE, '{}/{} Synthesize injection codes.'.format(
                        idx + 1, self.max_synthetic_num))
                self.util.print_message(
                    OK, 'Use two injection codes : ({}) + ({}).'.format(
                        valid_code_list[noise_idx1][0],
                        valid_code_list[noise_idx2][0]))

                # Generate injection codes.
                synthesized_noise = self.vector_mean(
                    valid_code_list[noise_idx1][1],
                    valid_code_list[noise_idx2][1])
                generated_codes = self.generator.predict(synthesized_noise,
                                                         verbose=0)
                str_html = self.util.transform_gene_num2str(
                    self.df_genes,
                    self.transform_code2gene(generated_codes[0]))

                # Evaluate synthesized injection code using selenium.
                for eval_place in self.eval_place_list:
                    hit_flag = 'Failure'
                    html = self.template.render({eval_place: str_html})
                    with codecs.open(self.eval_html_path,
                                     'w',
                                     encoding='utf-8') as fout:
                        fout.write(html)

                    selenium_score, error_flag = self.util.check_individual_selenium(
                        self.obj_browser, self.eval_html_path)
                    if error_flag:
                        continue

                    # Check synthesized injection code using selenium.
                    if selenium_score > 0:
                        self.util.print_message(
                            WARNING,
                            'Find running script: "{}".'.format(str_html))
                        hit_flag = 'Bingo'

                    # Save running script.
                    vector_result_list.append([
                        eval_place, str_html, valid_code_list[noise_idx1][0],
                        valid_code_list[noise_idx2][0], hit_flag
                    ])

            # Save synthesized injection codes.
            if os.path.exists(vec_save_path) is False:
                pd.DataFrame(vector_result_list,
                             columns=[
                                 'eval_place', 'synthesized_code',
                                 'origin_code1', 'origin_code2', 'bingo'
                             ]).to_csv(vec_save_path,
                                       mode='w',
                                       header=True,
                                       index=False)
            else:
                pd.DataFrame(vector_result_list).to_csv(vec_save_path,
                                                        mode='a',
                                                        header=False,
                                                        index=False)
        else:
            # Load created individuals by Genetic Algorithm.
            sig_path = self.util.join_path(
                self.result_dir,
                self.ga_result_file.replace('*', self.obj_browser.name))
            df_temp = pd.read_csv(sig_path, encoding='utf-8').fillna('')
            df_sigs = df_temp[~df_temp.duplicated()]

            list_sigs = []
            # Extract genom list from ga result.
            for idx in range(len(df_sigs)):
                list_temp = df_sigs['sig_vector'].values[idx].replace(
                    '[', '').replace(']', '').split(',')
                list_sigs.append([int(s) for s in list_temp])

            # Generate individuals (=injection codes).
            lst_scripts = []
            target_sig_list = []
            for target_sig in list_sigs:
                self.util.print_message(
                    NOTE, 'Start generating injection codes using {}'.format(
                        target_sig))
                target_sig_list.extend(
                    [target_sig for _ in range(self.max_sig_num)])
            lst_scripts.extend(self.train(target_sig_list))

            # Save generated injection codes.
            if os.path.exists(gan_save_path) is False:
                pd.DataFrame(lst_scripts,
                             columns=['eval_place',
                                      'injection_code']).to_csv(gan_save_path,
                                                                mode='w',
                                                                header=True,
                                                                index=False)
            else:
                pd.DataFrame(lst_scripts).to_csv(gan_save_path,
                                                 mode='a',
                                                 header=False,
                                                 index=False)

        self.util.print_message(
            NOTE,
            'Done generation of injection codes using Generative Adversarial Networks.'
        )