Mercurial > dropbear

diff includes.h @ 1861:2b3a8026a6ce

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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 8dc43b30c6bf
children
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--- a/includes.h	Thu Jan 27 15:09:29 2022 +0800
+++ b/includes.h	Sun Jan 30 10:14:56 2022 +0800
@@ -127,6 +127,10 @@
 #include <sys/random.h>
 #endif
 
+#ifdef HAVE_SYS_PRCTL_H
+#include <sys/prctl.h>
+#endif
+
 #ifdef BUNDLED_LIBTOM
 #include "libtomcrypt/src/headers/tomcrypt.h"
 #include "libtommath/tommath.h"
@@ -171,6 +175,8 @@
 #include <dlfcn.h>
 #endif
 
+extern char** environ;
+
 #include "fake-rfc2553.h"
 
 #include "fuzz.h"