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view src/core/ngx_md5.h @ 8841:1f7f98638dc2 quic

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QUIC: fixed null pointer dereference in MAX_DATA handler. If a MAX_DATA frame was received before any stream was created, then the worker process would crash in nginx_quic_handle_max_data_frame() while traversing the stream tree. The issue is solved by adding a check that makes sure the tree is not empty.
author Mariano Di Martino <mariano.dimartino@uhasselt.be>
date Fri, 03 Sep 2021 14:23:50 +0300
parents 9eefb38f0005
children
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/*
 * Copyright (C) Igor Sysoev
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_MD5_H_INCLUDED_
#define _NGX_MD5_H_INCLUDED_


#include <ngx_config.h>
#include <ngx_core.h>


typedef struct {
    uint64_t  bytes;
    uint32_t  a, b, c, d;
    u_char    buffer[64];
} ngx_md5_t;


void ngx_md5_init(ngx_md5_t *ctx);
void ngx_md5_update(ngx_md5_t *ctx, const void *data, size_t size);
void ngx_md5_final(u_char result[16], ngx_md5_t *ctx);


#endif /* _NGX_MD5_H_INCLUDED_ */