mirror of https://github.com/getdnsapi/getdns.git
171 lines
6.8 KiB
C
171 lines
6.8 KiB
C
/**
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* \file
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* unit tests for getdns_dict helper routines, these should be used to
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* perform regression tests, output must be unchanged from canonical output
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* stored with the sources
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*/
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/*
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* Copyright (c) 2013, NLNet Labs, Verisign, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the names of the copyright holders nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL Verisign, Inc. BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "testmessages.h"
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#include "getdns/getdns.h"
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#include "getdns/getdns_extra.h"
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#include <sys/time.h>
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#define TRANSPORT_UDP "udp"
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#define TRANSPORT_UDP_TCP "udp_tcp"
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#define TRANSPORT_TCP "tcp"
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#define TRANSPORT_PIPELINE "pipeline"
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#define TRANSPORT_TLS_KEEPOPEN "tls"
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#define TRANSPORT_TLS_TCP_KEEPOPEN "dns-over-tls"
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#define TRANSPORT_STARTTLS_TCP_KEEPOPEN "starttls"
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#define RESOLUTION_STUB "stub"
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#define RESOLUTION_REC "rec"
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/* Set up the callback function, which will also do the processing of the results */
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void
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this_callbackfn(struct getdns_context *this_context,
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getdns_callback_type_t this_callback_type,
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struct getdns_dict *this_response,
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void *this_userarg, getdns_transaction_t this_transaction_id)
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{
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if (this_callback_type == GETDNS_CALLBACK_COMPLETE) { /* This is a callback with data */
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char *res = getdns_pretty_print_dict(this_response);
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fprintf(stdout, "%s\n", res);
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free(res);
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} else if (this_callback_type == GETDNS_CALLBACK_CANCEL)
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fprintf(stderr,
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"The callback with ID %llu was cancelled. Exiting.\n",
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(unsigned long long)this_transaction_id);
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else
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fprintf(stderr,
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"The callback got a callback_type of %d. Exiting.\n",
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this_callback_type);
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getdns_dict_destroy(this_response);
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}
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int
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main(int argc, char** argv)
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{
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const char *transport = argc > 2 ? argv[2] : "udp_tcp";
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const char *resolution = argc > 3 ? argv[3] : "stub";
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/* Create the DNS context for this call */
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struct getdns_context *this_context = NULL;
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getdns_return_t return_value =
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getdns_context_create(&this_context, 1);
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if (return_value != GETDNS_RETURN_GOOD) {
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fprintf(stderr, "Trying to create the context failed: %d",
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return_value);
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return (GETDNS_RETURN_GENERIC_ERROR);
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}
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if (strncmp(resolution, RESOLUTION_STUB, 4) == 0)
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getdns_context_set_resolution_type(this_context, GETDNS_RESOLUTION_STUB);
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else if (strncmp(resolution, RESOLUTION_REC, 4) != 0) {
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fprintf(stderr, "Invalid resolution %s, must be one of stub or rec\n", transport);
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exit(EXIT_FAILURE);
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}
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/* Order matters*/
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if (strncmp(transport, TRANSPORT_TCP, 3) == 0)
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getdns_context_set_dns_transport(this_context, GETDNS_TRANSPORT_TCP_ONLY);
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else if (strncmp(transport, TRANSPORT_UDP_TCP, 7) == 0)
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getdns_context_set_dns_transport(this_context, GETDNS_TRANSPORT_UDP_FIRST_AND_FALL_BACK_TO_TCP);
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else if (strncmp(transport, TRANSPORT_UDP, 3) == 0)
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getdns_context_set_dns_transport(this_context, GETDNS_TRANSPORT_UDP_ONLY);
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else if (strncmp(transport, TRANSPORT_PIPELINE, 8) == 0)
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getdns_context_set_dns_transport(this_context, GETDNS_TRANSPORT_TCP_ONLY_KEEP_CONNECTIONS_OPEN);
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else if (strncmp(transport, TRANSPORT_TLS_KEEPOPEN, 3) == 0)
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getdns_context_set_dns_transport(this_context, GETDNS_TRANSPORT_TLS_ONLY_KEEP_CONNECTIONS_OPEN);
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else if (strncmp(transport, TRANSPORT_TLS_TCP_KEEPOPEN, 12) == 0)
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getdns_context_set_dns_transport(this_context, GETDNS_TRANSPORT_TLS_FIRST_AND_FALL_BACK_TO_TCP_KEEP_CONNECTIONS_OPEN);
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else if (strncmp(transport, TRANSPORT_STARTTLS_TCP_KEEPOPEN, 8) == 0)
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getdns_context_set_dns_transport(this_context, GETDNS_TRANSPORT_STARTTLS_FIRST_AND_FALL_BACK_TO_TCP_KEEP_CONNECTIONS_OPEN);
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else if (strncmp(transport, TRANSPORT_UDP_TCP, 3) != 0) {
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fprintf(stderr, "Invalid transport %s, must be one of udp, udp_tcp, tcp or pipeline\n", transport);
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exit(EXIT_FAILURE);
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}
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getdns_context_set_timeout(this_context, 5000);
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/* Create an event base and put it in the context using the unknown function name */
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/* Set up the getdns call */
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const char *this_name = argc > 1 ? argv[1] : "getdnsapi.net";
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char *this_userarg = "somestring"; // Could add things here to help identify this call
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getdns_transaction_t this_transaction_id = 0;
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/* Make the call */
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getdns_return_t dns_request_return =
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getdns_address(this_context, this_name,
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NULL, this_userarg, &this_transaction_id, this_callbackfn);
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if (dns_request_return == GETDNS_RETURN_BAD_DOMAIN_NAME) {
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fprintf(stderr, "A bad domain name was used: %s. Exiting.",
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this_name);
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getdns_context_destroy(this_context);
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return (GETDNS_RETURN_GENERIC_ERROR);
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}
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else {
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getdns_context_run(this_context);
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}
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getdns_transport_t get_transport;
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return_value = getdns_context_get_dns_transport(this_context, &get_transport);
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if (return_value != GETDNS_RETURN_GOOD) {
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fprintf(stderr, "Trying to get transport type failed: %d\n",
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return_value);
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return (GETDNS_RETURN_GENERIC_ERROR);
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}
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fprintf(stderr, "Transport type is %d\n", get_transport);
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size_t transport_count = 0;
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getdns_transport_list_t *get_transport_list;
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return_value = getdns_context_get_dns_transport_list(this_context, &transport_count, &get_transport_list);
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if (return_value != GETDNS_RETURN_GOOD) {
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fprintf(stderr, "Trying to get transport type failed: %d\n",
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return_value);
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return (GETDNS_RETURN_GENERIC_ERROR);
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}
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for (size_t i = 0; i < transport_count; i++) {
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fprintf(stderr, "Transport %d is %d\n", (int)i, get_transport_list[i]);
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}
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free(get_transport_list);
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/* Clean up */
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getdns_context_destroy(this_context);
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/* Assuming we get here, leave gracefully */
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exit(EXIT_SUCCESS);
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} /* main */
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/* tests_stub_async.c */
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