Ejemplo n.º 1
0
htp_hook_t *htp_hook_copy(const htp_hook_t *hook) {
    if (hook == NULL) return NULL;

    htp_hook_t *copy = htp_hook_create();
    if (copy == NULL) return NULL;

    for (size_t i = 0, n = htp_list_size(hook->callbacks); i < n; i++) {
        htp_callback_t *callback = htp_list_get(hook->callbacks, i);
        if (htp_hook_register(&copy, callback->fn) != HTP_OK) {
            htp_hook_destroy(copy);
            return NULL;
        }
    }

    return copy;
}
Ejemplo n.º 2
0
void htp_tx_destroy_incomplete(htp_tx_t *tx) {
    if (tx == NULL) return;

    // Disconnect transaction from other structures.
    htp_conn_remove_tx(tx->conn, tx);
    htp_connp_tx_remove(tx->connp, tx);

    // Request fields.

    bstr_free(tx->request_line);
    bstr_free(tx->request_method);
    bstr_free(tx->request_uri);
    bstr_free(tx->request_protocol);
    bstr_free(tx->request_content_type);
    bstr_free(tx->request_hostname);
    htp_uri_free(tx->parsed_uri_raw);
    htp_uri_free(tx->parsed_uri);

    // Request_headers.
    if (tx->request_headers != NULL) {
        htp_header_t *h = NULL;
        for (size_t i = 0, n = htp_table_size(tx->request_headers); i < n; i++) {
            h = htp_table_get_index(tx->request_headers, i, NULL);
            bstr_free(h->name);
            bstr_free(h->value);
            free(h);
        }

        htp_table_destroy(tx->request_headers);
    }

    // Request parsers.

    htp_urlenp_destroy(tx->request_urlenp_query);
    htp_urlenp_destroy(tx->request_urlenp_body);
    htp_mpartp_destroy(tx->request_mpartp);

    // Request parameters.

    htp_param_t *param = NULL;
    for (size_t i = 0, n = htp_table_size(tx->request_params); i < n; i++) {
        param = htp_table_get_index(tx->request_params, i, NULL);
        free(param->name);
        free(param->value);
        free(param);
    }

    htp_table_destroy(tx->request_params);

    // Request cookies.

    if (tx->request_cookies != NULL) {
        bstr *b = NULL;
        for (size_t i = 0, n = htp_table_size(tx->request_cookies); i < n; i++) {
            b = htp_table_get_index(tx->request_cookies, i, NULL);
            bstr_free(b);
        }

        htp_table_destroy(tx->request_cookies);
    }

    htp_hook_destroy(tx->hook_request_body_data);

    // Response fields.

    bstr_free(tx->response_line);
    bstr_free(tx->response_protocol);
    bstr_free(tx->response_status);
    bstr_free(tx->response_message);
    bstr_free(tx->response_content_type);

    // Destroy response headers.
    if (tx->response_headers != NULL) {
        htp_header_t *h = NULL;
        for (size_t i = 0, n = htp_table_size(tx->response_headers); i < n; i++) {
            h = htp_table_get_index(tx->response_headers, i, NULL);
            bstr_free(h->name);
            bstr_free(h->value);
            free(h);
        }

        htp_table_destroy(tx->response_headers);
    }

    // If we're using a private configuration structure, destroy it.
    if (tx->is_config_shared == HTP_CONFIG_PRIVATE) {
        htp_config_destroy(tx->cfg);
    }

    free(tx);
}
Ejemplo n.º 3
0
void htp_config_destroy(htp_cfg_t *cfg) {
    if (cfg == NULL) return;

    htp_hook_destroy(cfg->hook_request_start);
    htp_hook_destroy(cfg->hook_request_line);
    htp_hook_destroy(cfg->hook_request_uri_normalize);
    htp_hook_destroy(cfg->hook_request_header_data);
    htp_hook_destroy(cfg->hook_request_headers);
    htp_hook_destroy(cfg->hook_request_body_data);
    htp_hook_destroy(cfg->hook_request_file_data);
    htp_hook_destroy(cfg->hook_request_trailer);
    htp_hook_destroy(cfg->hook_request_trailer_data);
    htp_hook_destroy(cfg->hook_request_complete);
    htp_hook_destroy(cfg->hook_response_start);
    htp_hook_destroy(cfg->hook_response_line);
    htp_hook_destroy(cfg->hook_response_header_data);
    htp_hook_destroy(cfg->hook_response_headers);
    htp_hook_destroy(cfg->hook_response_body_data);
    htp_hook_destroy(cfg->hook_response_trailer);
    htp_hook_destroy(cfg->hook_response_trailer_data);
    htp_hook_destroy(cfg->hook_response_complete);
    htp_hook_destroy(cfg->hook_transaction_complete);
    htp_hook_destroy(cfg->hook_log);

    free(cfg);
}
Ejemplo n.º 4
0
void htp_tx_destroy(htp_tx_t *tx) {
    bstr_free(tx->request_line);
    bstr_free(tx->request_line_raw);
    bstr_free(tx->request_method);
    bstr_free(tx->request_uri);
    bstr_free(tx->request_uri_normalized);
    bstr_free(tx->request_protocol);
    bstr_free(tx->request_headers_sep);

    if (tx->parsed_uri != NULL) {
        bstr_free(tx->parsed_uri->scheme);
        bstr_free(tx->parsed_uri->username);
        bstr_free(tx->parsed_uri->password);
        bstr_free(tx->parsed_uri->hostname);
        bstr_free(tx->parsed_uri->port);
        bstr_free(tx->parsed_uri->path);
        bstr_free(tx->parsed_uri->query);
        bstr_free(tx->parsed_uri->fragment);

        free(tx->parsed_uri);
    }

    if (tx->parsed_uri_incomplete != NULL) {
        bstr_free(tx->parsed_uri_incomplete->scheme);
        bstr_free(tx->parsed_uri_incomplete->username);
        bstr_free(tx->parsed_uri_incomplete->password);
        bstr_free(tx->parsed_uri_incomplete->hostname);
        bstr_free(tx->parsed_uri_incomplete->port);
        bstr_free(tx->parsed_uri_incomplete->path);
        bstr_free(tx->parsed_uri_incomplete->query);
        bstr_free(tx->parsed_uri_incomplete->fragment);
        free(tx->parsed_uri_incomplete);
    }

    // Destroy request_header_lines.
    if (tx->request_header_lines != NULL) {
        for (int i = 0, n = htp_list_size(tx->request_header_lines); i < n; i++) {
            htp_header_line_t *hl = htp_list_get(tx->request_header_lines, i);
            bstr_free(hl->line);
            // No need to destroy hl->header because
            // htp_header_line_t does not own it.
            free(hl);
        }

        htp_list_destroy(tx->request_header_lines);
        tx->request_header_lines = NULL;
    }

    // Destroy request_headers.
    if (tx->request_headers != NULL) {
        htp_header_t *h = NULL;
        for (int i = 0, n = htp_table_size(tx->request_headers); i < n; i++) {
            h = htp_table_get_index(tx->request_headers, i, NULL);
            bstr_free(h->name);
            bstr_free(h->value);
            free(h);
        }

        htp_table_destroy(tx->request_headers);
    }

    if (tx->request_headers_raw != NULL) {
        bstr_free(tx->request_headers_raw);
    }
    if (tx->response_headers_raw != NULL) {
        bstr_free(tx->response_headers_raw);
    }

    bstr_free(tx->response_line);
    bstr_free(tx->response_line_raw);
    bstr_free(tx->response_protocol);
    bstr_free(tx->response_status);
    bstr_free(tx->response_message);
    bstr_free(tx->response_headers_sep);

    // Destroy response_header_lines.
    if (tx->response_header_lines != NULL) {
        for (int i = 0, n = htp_list_size(tx->response_header_lines); i < n; i++) {
            htp_header_line_t *hl = htp_list_get(tx->response_header_lines, i);
            bstr_free(hl->line);
            // No need to destroy hl->header because
            // htp_header_line_t does not own it.
            free(hl);
        }

        htp_list_destroy(tx->response_header_lines);
        tx->response_header_lines = NULL;
    }

    // Destroy response headers.
    if (tx->response_headers != NULL) {
        htp_header_t *h = NULL;
        for (int i = 0, n = htp_table_size(tx->response_headers); i < n; i++) {
            h = htp_table_get_index(tx->response_headers, i, NULL);
            bstr_free(h->name);
            bstr_free(h->value);
            free(h);
        }

        htp_table_destroy(tx->response_headers);
    }

    // Tell the connection to remove this transaction from the list.
    htp_conn_remove_tx(tx->conn, tx);

    // Invalidate the pointer to this transactions held
    // by the connection parser. This is to allow a transaction
    // to be destroyed from within the final response callback.
    if (tx->connp != NULL) {
        if (tx->connp->out_tx == tx) {
            tx->connp->out_tx = NULL;
        }
    }

    bstr_free(tx->request_content_type);
    bstr_free(tx->response_content_type);

    // Parsers

    htp_urlenp_destroy(tx->request_urlenp_query);
    htp_urlenp_destroy(tx->request_urlenp_body);
    htp_mpartp_destroy(tx->request_mpartp);

    // Request parameters

    htp_param_t *param = NULL;
    for (int i = 0, n = htp_table_size(tx->request_params); i < n; i++) {
        param = htp_table_get_index(tx->request_params, i, NULL);
        free(param->name);
        free(param->value);
        free(param);
    }

    htp_table_destroy(tx->request_params);

    // Request cookies

    if (tx->request_cookies != NULL) {
        bstr *b = NULL;
        for (int i = 0, n = htp_table_size(tx->request_cookies); i < n; i++) {
            b = htp_table_get_index(tx->request_cookies, i, NULL);
            bstr_free(b);
        }

        htp_table_destroy(tx->request_cookies);
    }

    htp_hook_destroy(tx->hook_request_body_data);

    // If we're using a private configuration, destroy it.
    if (tx->is_config_shared == HTP_CONFIG_PRIVATE) {
        htp_config_destroy(tx->cfg);
    }

    free(tx);
}