Introduced time truncation to December 31, 9999 (ticket #1368). Various buffers are allocated in an assumption that there would be no more than 4 year digits. This might not be true on platforms with 64-bit time_t, as 64-bit time_t is able to represent more than that. Such dates with more than 4 year digits hardly make sense though, as various date formats in use do not allow them anyway. As such, all dates are now truncated by ngx_gmtime() to December 31, 9999. This should have no effect on valid dates, though will prevent potential buffer overflows on invalid ones.

/*
 * 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_ */