view src/os/unix/ngx_dlopen.h @ 7938:dc955d274130

Mail: connections with wrong ALPN protocols are now rejected. This is a recommended behavior by RFC 7301 and is useful for mitigation of protocol confusion attacks [1]. For POP3 and IMAP protocols IANA-assigned ALPN IDs are used [2]. For the SMTP protocol "smtp" is used. [1] https://alpaca-attack.com/ [2] https://www.iana.org/assignments/tls-extensiontype-values/
author Vladimir Homutov <vl@nginx.com>
date Wed, 20 Oct 2021 09:45:34 +0300
parents 7142b04337d6
children
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/*
 * Copyright (C) Maxim Dounin
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_DLOPEN_H_INCLUDED_
#define _NGX_DLOPEN_H_INCLUDED_


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


#define ngx_dlopen(path)           dlopen((char *) path, RTLD_NOW | RTLD_GLOBAL)
#define ngx_dlopen_n               "dlopen()"

#define ngx_dlsym(handle, symbol)  dlsym(handle, symbol)
#define ngx_dlsym_n                "dlsym()"

#define ngx_dlclose(handle)        dlclose(handle)
#define ngx_dlclose_n              "dlclose()"


#if (NGX_HAVE_DLOPEN)
char *ngx_dlerror(void);
#endif


#endif /* _NGX_DLOPEN_H_INCLUDED_ */