D28418.id84330.diff
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D28418.id84330.diff
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	diff --git a/usr.sbin/bsdinstall/scripts/hardening b/usr.sbin/bsdinstall/scripts/hardening
	--- a/usr.sbin/bsdinstall/scripts/hardening
	+++ b/usr.sbin/bsdinstall/scripts/hardening
	@@ -28,6 +28,20 @@

	: ${DIALOG_OK=0}

	+set_aslr_sysctls()
	+{
	+ for bit in 32 64; do
	+ if ! sysctl -Nq kern.elf$bit.aslr.enable >/dev/null; then
	+ continue
	+ fi
	+ cat >> $BSDINSTALL_TMPETC/sysctl.conf.hardening <<-EOF
	+ kern.elf$bit.aslr.enable=1
	+ kern.elf$bit.aslr.pie_enable=1
	+ kern.elf$bit.aslr.honor_sbrk=0
	+ EOF
	+ done
	+}
	+
	echo -n > $BSDINSTALL_TMPETC/rc.conf.hardening
	echo -n > $BSDINSTALL_TMPETC/sysctl.conf.hardening
	echo -n > $BSDINSTALL_TMPBOOT/loader.conf.hardening
	@@ -48,6 +62,7 @@
	"8 disable_sendmail" "Disable Sendmail service" ${disable_sendmail:-off} \
	"9 secure_console" "Enable console password prompt" ${secure_console:-off} \
	"10 disable_ddtrace" "Disallow DTrace destructive-mode" ${disable_ddtrace:-off} \
	+ "11 enable_aslr" "Enable address layout randomization" ${enable_aslr:-off} \
	2>&1 1>&3 )
	exec 3>&-

	@@ -86,6 +101,9 @@
	disable_ddtrace)
	echo 'security.bsd.allow_destructive_dtrace=0' >> $BSDINSTALL_TMPBOOT/loader.conf.hardening
	;;
	+ enable_aslr)
	+ set_aslr_sysctls
	+ ;;
	esac
	done