2017-04-03 13:50:12 +00:00
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// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <signal.h>
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#include <string.h>
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2021-06-29 13:02:48 +00:00
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#include "esp32_mock.h"
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2017-04-03 13:50:12 +00:00
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#include "mdns.h"
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2018-05-04 14:42:54 +00:00
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#include "mdns_private.h"
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//
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// Global stuctures containing packet payload, search
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mdns_rx_packet_t g_packet;
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struct pbuf mypbuf;
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mdns_search_once_t * search = NULL;
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//
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// Dependency injected test functions
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void mdns_test_execute_action(void * action);
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mdns_srv_item_t * mdns_test_mdns_get_service_item(const char * service, const char * proto);
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mdns_search_once_t * mdns_test_search_init(const char * name, const char * service, const char * proto, uint16_t type, uint32_t timeout, uint8_t max_results);
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esp_err_t mdns_test_send_search_action(mdns_action_type_t type, mdns_search_once_t * search);
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void mdns_test_search_free(mdns_search_once_t * search);
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2019-07-16 09:33:30 +00:00
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void mdns_test_init_di(void);
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2018-05-04 14:42:54 +00:00
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//
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// mdns function wrappers for mdns setup in test mode
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static int mdns_test_hostname_set(const char * mdns_hostname)
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{
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int ret = mdns_hostname_set(mdns_hostname);
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mdns_action_t * a = NULL;
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GetLastItem(&a);
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mdns_test_execute_action(a);
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return ret;
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}
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static int mdns_test_service_instance_name_set(const char * service, const char * proto, const char * instance)
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{
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int ret = mdns_service_instance_name_set(service, proto, instance);
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mdns_action_t * a = NULL;
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GetLastItem(&a);
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mdns_test_execute_action(a);
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return ret;
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}
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static int mdns_test_service_txt_set(const char * service, const char * proto, uint8_t num_items, mdns_txt_item_t txt[])
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{
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int ret = mdns_service_txt_set(service, proto, txt, num_items);
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mdns_action_t * a = NULL;
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GetLastItem(&a);
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mdns_test_execute_action(a);
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return ret;
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}
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2017-04-03 13:50:12 +00:00
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2018-05-04 14:42:54 +00:00
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static int mdns_test_service_add(const char * service_name, const char * proto, uint32_t port)
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{
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if (mdns_service_add(NULL, service_name, proto, port, NULL, 0)) {
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// This is expected failure as the service thread is not running
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}
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mdns_action_t * a = NULL;
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GetLastItem(&a);
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mdns_test_execute_action(a);
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if (mdns_test_mdns_get_service_item(service_name, proto)==NULL) {
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return ESP_FAIL;
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}
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return ESP_OK;
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}
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2017-04-03 13:50:12 +00:00
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2018-05-04 14:42:54 +00:00
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static mdns_result_t* mdns_test_query(const char * service_name, const char * proto)
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{
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search = mdns_test_search_init(NULL, service_name, proto, MDNS_TYPE_PTR, 3000, 20);
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if (!search) {
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abort();
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}
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if (mdns_test_send_search_action(ACTION_SEARCH_ADD, search)) {
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mdns_test_search_free(search);
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abort();
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}
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mdns_action_t * a = NULL;
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GetLastItem(&a);
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mdns_test_execute_action(a);
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return NULL;
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}
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2019-07-16 09:33:30 +00:00
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static void mdns_test_query_free(void)
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2018-05-04 14:42:54 +00:00
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{
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mdns_test_search_free(search);
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}
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//
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// function "under test" where afl-mangled packets passed
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//
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void mdns_parse_packet(mdns_rx_packet_t * packet);
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//
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// Test starts here
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//
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2017-04-03 13:50:12 +00:00
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int main(int argc, char** argv)
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{
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2018-05-04 14:42:54 +00:00
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int i;
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2017-04-03 13:50:12 +00:00
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const char * mdns_hostname = "minifritz";
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const char * mdns_instance = "Hristo's Time Capsule";
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2018-05-04 14:42:54 +00:00
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mdns_txt_item_t arduTxtData[4] = {
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{"board","esp32"},
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{"tcp_check","no"},
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{"ssh_upload","no"},
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{"auth_upload","no"}
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2017-04-03 13:50:12 +00:00
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};
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2018-05-04 14:42:54 +00:00
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2017-04-03 13:50:12 +00:00
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const uint8_t mac[6] = {0xDE, 0xAD, 0xBE, 0xEF, 0x00, 0x32};
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2020-11-10 07:40:01 +00:00
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2017-04-03 13:50:12 +00:00
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uint8_t buf[1460];
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char winstance[21+strlen(mdns_hostname)];
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sprintf(winstance, "%s [%02x:%02x:%02x:%02x:%02x:%02x]", mdns_hostname, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
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2018-05-04 14:42:54 +00:00
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// Init depencency injected methods
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mdns_test_init_di();
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2017-04-03 13:50:12 +00:00
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2018-05-04 14:42:54 +00:00
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if (mdns_init()) {
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2017-04-03 13:50:12 +00:00
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abort();
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}
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2018-05-04 14:42:54 +00:00
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if (mdns_test_hostname_set(mdns_hostname)) {
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2017-04-03 13:50:12 +00:00
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abort();
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}
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2018-05-04 14:42:54 +00:00
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if (mdns_test_service_add("_workstation", "_tcp", 9)) {
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2017-04-03 13:50:12 +00:00
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abort();
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}
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2018-05-04 14:42:54 +00:00
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if (mdns_test_service_instance_name_set("_workstation", "_tcp", winstance)) {
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2017-04-03 13:50:12 +00:00
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abort();
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}
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2018-05-04 14:42:54 +00:00
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if (mdns_test_service_add("_arduino", "_tcp", 3232)) {
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2017-04-03 13:50:12 +00:00
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abort();
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}
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2018-05-04 14:42:54 +00:00
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if (mdns_test_service_txt_set("_arduino", "_tcp", 4, arduTxtData)) {
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2017-04-03 13:50:12 +00:00
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abort();
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}
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2018-05-04 14:42:54 +00:00
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if (mdns_test_service_add("_http", "_tcp", 80)) {
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2017-04-03 13:50:12 +00:00
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abort();
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}
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2018-05-04 14:42:54 +00:00
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if (mdns_test_service_instance_name_set("_http", "_tcp", "ESP WebServer")) {
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2017-04-03 13:50:12 +00:00
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abort();
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}
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if (
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2018-05-04 14:42:54 +00:00
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mdns_test_service_add("_afpovertcp", "_tcp", 548)
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|| mdns_test_service_add("_rfb", "_tcp", 885)
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|| mdns_test_service_add("_smb", "_tcp", 885)
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|| mdns_test_service_add("_adisk", "_tcp", 885)
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|| mdns_test_service_add("_airport", "_tcp", 885)
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|| mdns_test_service_add("_printer", "_tcp", 885)
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|| mdns_test_service_add("_airplay", "_tcp", 885)
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|| mdns_test_service_add("_raop", "_tcp", 885)
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|| mdns_test_service_add("_uscan", "_tcp", 885)
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|| mdns_test_service_add("_uscans", "_tcp", 885)
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|| mdns_test_service_add("_ippusb", "_tcp", 885)
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|| mdns_test_service_add("_scanner", "_tcp", 885)
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|| mdns_test_service_add("_ipp", "_tcp", 885)
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|| mdns_test_service_add("_ipps", "_tcp", 885)
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|| mdns_test_service_add("_pdl-datastream", "_tcp", 885)
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|| mdns_test_service_add("_ptp", "_tcp", 885)
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|| mdns_test_service_add("_sleep-proxy", "_udp", 885))
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2017-04-03 13:50:12 +00:00
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{
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2020-11-10 07:40:01 +00:00
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abort();
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2018-05-04 14:42:54 +00:00
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}
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2020-11-10 07:40:01 +00:00
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2018-05-04 14:42:54 +00:00
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mdns_result_t * results = NULL;
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FILE *file;
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size_t nread;
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#ifdef INSTR_IS_OFF
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size_t len = 1460;
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memset(buf, 0, 1460);
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if (argc != 2)
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{
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printf("Non-instrumentation mode: please supply a file name created by AFL to reproduce crash\n");
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return 1;
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}
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else
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{
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//
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// Note: parameter1 is a file (mangled packet) which caused the crash
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file = fopen(argv[1], "r");
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2021-06-09 07:58:58 +00:00
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assert(file >= 0 );
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2021-06-25 06:33:38 +00:00
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len = fread(buf, 1, 1460, file);
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2018-05-04 14:42:54 +00:00
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fclose(file);
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2017-04-03 13:50:12 +00:00
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}
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2018-05-04 14:42:54 +00:00
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for (i=0; i<1; i++) {
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#else
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2017-04-03 13:50:12 +00:00
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while (__AFL_LOOP(1000)) {
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memset(buf, 0, 1460);
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size_t len = read(0, buf, 1460);
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2018-05-04 14:42:54 +00:00
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#endif
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mypbuf.payload = buf;
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mypbuf.len = len;
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g_packet.pb = &mypbuf;
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mdns_test_query("_afpovertcp", "_tcp");
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mdns_parse_packet(&g_packet);
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2017-04-03 13:50:12 +00:00
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}
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2018-05-04 14:42:54 +00:00
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ForceTaskDelete();
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mdns_free();
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2017-04-03 13:50:12 +00:00
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return 0;
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}
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