view dbhelpers.h @ 1861:2b3a8026a6ce

Add re-exec for server This allows ASLR to re-randomize the address space for every connection, preventing some vulnerabilities from being exploitable by repeated probing. Overhead (memory and time) is yet to be confirmed. At present this is only enabled on Linux. Other BSD platforms with fexecve() would probably also work though have not been tested.
author Matt Johnston <matt@ucc.asn.au>
date Sun, 30 Jan 2022 10:14:56 +0800
parents d68d61e7056a
children
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#ifndef DROPBEAR_DBHELPERS_H_
#define DROPBEAR_DBHELPERS_H_

/* This header defines some things that are also used by libtomcrypt/math. 
   We avoid including normal include.h since that can result in conflicting 
   definitions - only include config.h */
#include "config.h"

#ifdef __GNUC__
#define ATTRIB_PRINTF(fmt,args) __attribute__((format(printf, fmt, args))) 
#define ATTRIB_NORETURN __attribute__((noreturn))
#define ATTRIB_SENTINEL __attribute__((sentinel))
#else
#define ATTRIB_PRINTF(fmt,args)
#define ATTRIB_NORETURN
#define ATTRIB_SENTINEL
#endif

void m_burn(void* data, unsigned int len);

#endif /* DROPBEAR_DBHELPERS_H_ */