Fuzzing: Broker config file testing.
Roger A. Light
3 years ago
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/*
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Copyright (c) 2023 Cedalo GmbH
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All rights reserved. This program and the accompanying materials
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are made available under the terms of the Eclipse Public License 2.0
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and Eclipse Distribution License v1.0 which accompany this distribution.
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The Eclipse Public License is available at
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https://www.eclipse.org/legal/epl-2.0/
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and the Eclipse Distribution License is available at
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http://www.eclipse.org/org/documents/edl-v10.php.
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SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
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Contributors:
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Roger Light - initial implementation and documentation.
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*/
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#include <cstdio>
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#include <cstdint>
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#include <cstdlib>
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#include <cstring>
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#include <unistd.h>
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/*
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* Broker check of config only, the config isn't used
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*/
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/* The broker fuzz-only main function. */
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extern "C" int mosquitto_fuzz_main(int argc, char *argv[]);
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void run_broker(char *filename)
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{
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char *argv[4];
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int argc = 4;
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argv[0] = strdup("mosquitto");
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argv[1] = strdup("--test-config");
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argv[2] = strdup("-c");
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argv[3] = strdup(filename);
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mosquitto_fuzz_main(argc, argv);
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for(int i=0; i<argc; i++){
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free(argv[i]);
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}
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}
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
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{
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char filename[100];
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FILE *fptr;
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snprintf(filename, sizeof(filename), "/tmp/mosquitto_%d.conf", getpid());
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fptr = fopen(filename, "wb");
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if(!fptr) return 1;
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fwrite(data, 1, size, fptr);
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fclose(fptr);
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run_broker(filename);
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unlink(filename);
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return 0;
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}
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@ -0,0 +1,165 @@
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"accept_protocol_versions"
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"acl_file"
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"address"
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"addresses"
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"all"
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"allow_anonymous"
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"allow_duplicate_messages"
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"allow_zero_length_clientid"
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"android"
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"auth_plugin"
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"auth_plugin_deny_special_chars"
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"auto_id_prefix"
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"automatic"
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"autosave_interval"
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"autosave_on_changes"
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"bind_address"
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"bind_interface"
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"bridge_alpn"
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"bridge_attempt_unsubscribe"
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"bridge_bind_address"
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"bridge_cafile"
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"bridge_capath"
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"bridge_certfile"
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"bridge_ciphers"
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"bridge_ciphers_tls1.3"
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"bridge_identity"
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"bridge_insecure"
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"bridge_keyfile"
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"bridge_max_packet_size"
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"bridge_max_topic_alias"
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"bridge_outgoing_retain"
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"bridge_protocol_version"
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"bridge_psk"
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"bridge_receive_maximum"
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"bridge_reload_type"
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"bridge_require_ocsp"
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"bridge_session_expiry_interval"
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"bridge_tcp_keepalive"
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"bridge_tcp_user_timeout"
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"bridge_tls_use_os_certs"
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"bridge_tls_version"
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"cafile"
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"capath"
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"certfile"
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"check_retain_source"
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"ciphers"
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"ciphers_tls1.3"
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"cleansession"
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"clientid"
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"clientid_prefixes"
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"connection"
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"connection_messages"
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"crlfile"
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"debug"
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"dhparamfile"
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"disable_client_cert_date_checks"
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"dlt"
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"enable_control_api"
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"engine"
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"error"
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"false"
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"file"
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"global_max_clients"
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"global_max_connections"
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"global_plugin"
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"http_dir"
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"idle_timeout"
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"immediate"
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"include_dir"
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"information"
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"internal"
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"ipv4"
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"ipv6"
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"keepalive_interval"
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"keyfile"
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"lazy"
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"listener"
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"local_cleansession"
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"local_clientid"
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"local_password"
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"local_username"
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"log_dest"
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"log_facility"
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"log_timestamp"
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"log_timestamp_format"
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"log_type"
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"manual"
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"max_connections"
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"max_inflight_bytes"
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"max_inflight_messages"
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"max_keepalive"
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"max_packet_size"
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"max_qos"
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"max_queued_bytes"
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"max_queued_messages"
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"max_topic_alias"
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"max_topic_alias_broker"
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"maximum_qos"
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"memory_limit"
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"message_size_limit"
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"mount_point"
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"mqtt"
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"mqttsn"
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"mqttv31"
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"mqttv311"
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"mqttv50"
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"none"
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"notice"
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"notification_topic"
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"notifications"
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"notifications_local_only"
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"once"
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"password"
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"password_file"
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"per_listener_settings"
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"persistence"
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"persistence_file"
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"persistence_location"
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"persistent_client_expiration"
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"pid_file"
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"plugin"
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"plugin_load"
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"plugin_use"
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"port"
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"protocol"
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"psk_file"
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"psk_hint"
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"queue_qos0_messages"
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"remote_clientid"
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"remote_password"
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"remote_username"
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"require_certificate"
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"restart_timeout"
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"retain_available"
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"retained_persistence"
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"retry_interval"
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"round_robin"
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"set_tcp_nodelay"
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"socket_domain"
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"start_type"
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"stderr"
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"stdout"
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"subscribe"
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"sys_interval"
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"syslog"
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"threshold"
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"tls_engine"
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"tls_engine_kpass_sha1"
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"tls_keyform"
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"tls_version"
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"topic"
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"true"
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"try_private"
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"unsubscribe"
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"upgrade_outgoing_qos"
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"use_identity_as_username"
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"use_subject_as_username"
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"use_username_as_clientid"
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"user"
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"username"
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"warning"
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"websockets"
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"websockets_headers_size"
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"websockets_log_level"
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"websockets_origin"
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