Mercurial > dropbear
diff config.h.in @ 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 | df7bfd2f7d45 |
| children |
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--- a/config.h.in Thu Jan 27 15:09:29 2022 +0800 +++ b/config.h.in Sun Jan 30 10:14:56 2022 +0800 @@ -93,6 +93,9 @@ /* Define to 1 if you have the `explicit_bzero' function. */ #undef HAVE_EXPLICIT_BZERO +/* Define to 1 if you have the `fexecve' function. */ +#undef HAVE_FEXECVE + /* Define to 1 if you have the `fork' function. */ #undef HAVE_FORK @@ -318,6 +321,9 @@ /* Define to 1 if `ut_type' is a member of `struct utmp'. */ #undef HAVE_STRUCT_UTMP_UT_TYPE +/* Define to 1 if you have the <sys/prctl.h> header file. */ +#undef HAVE_SYS_PRCTL_H + /* Define to 1 if you have the <sys/random.h> header file. */ #undef HAVE_SYS_RANDOM_H