mirror of
https://github.com/eclipse-mosquitto/mosquitto.git
synced 2026-02-07 12:17:41 +08:00
93 lines
2.0 KiB
C++
93 lines
2.0 KiB
C++
/*
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Copyright (c) 2025 Roger Light <roger@atchoo.org>
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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 <sys/stat.h>
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#include <unistd.h>
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static const uint8_t *packet_data = NULL;
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static int packet_data_pos = 0;
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static int packet_data_remaining = 0;
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extern "C" {
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#include "mosquitto_broker_internal.h"
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ssize_t net__read(struct mosquitto *mosq, void *buf, size_t count)
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{
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int res = count < packet_data_remaining?count:packet_data_remaining;
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memcpy(buf, &packet_data[packet_data_pos], res);
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packet_data_remaining -= res;
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return res;
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}
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int net__socket_get_address(mosq_sock_t sock, char *buf, size_t len, uint16_t *remote_port)
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{
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snprintf(buf, len, "localhost");
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*remote_port = 1883;
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return MOSQ_ERR_SUCCESS;
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}
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int http__context_init(struct mosquitto *context)
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{
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context->transport = mosq_t_http;
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return MOSQ_ERR_SUCCESS;
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}
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int log__printf(struct mosquitto *mosq, unsigned int priority, const char *fmt, ...)
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{
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return MOSQ_ERR_SUCCESS;
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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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struct mosquitto context {};
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struct mosquitto__listener listener {};
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packet_data = data;
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packet_data_pos = 0;
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packet_data_remaining = size;
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context.listener = &listener;
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context.proxy.cmd = -1;
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context.transport = mosq_t_proxy_v1;
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while(packet_data_remaining > 0 && context.transport != mosq_t_tcp){
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int rc = proxy_v1__read(&context);
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if(rc){
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break;
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}
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}
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free(context.address);
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free(context.proxy.buf);
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free(context.proxy.tls_version);
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free(context.proxy.cipher);
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return 0;
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}
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