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https://github.com/freebsd/freebsd-src
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023fc80ee3
Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/
Similar commit in main:
(cherry picked from commit d0b2dbfa0e)
91 lines
3.8 KiB
Bash
Executable file
91 lines
3.8 KiB
Bash
Executable file
#!/bin/sh
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#-
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# Copyright (c) 2016 Bartek Rutkowski
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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: ${DIALOG_OK=0}
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echo -n > $BSDINSTALL_TMPETC/rc.conf.hardening
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echo -n > $BSDINSTALL_TMPETC/sysctl.conf.hardening
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echo -n > $BSDINSTALL_TMPBOOT/loader.conf.hardening
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exec 3>&1
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FEATURES=$( dialog --backtitle "FreeBSD Installer" \
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--title "System Hardening" --nocancel --separate-output \
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--checklist "Choose system security hardening options:" \
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0 0 0 \
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"0 hide_uids" "Hide processes running as other users" ${hide_uids:-off} \
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"1 hide_gids" "Hide processes running as other groups" ${hide_gids:-off} \
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"2 hide_jail" "Hide processes running in jails" ${hide_jail:-off} \
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"3 read_msgbuf" "Disable reading kernel message buffer for unprivileged users" ${read_msgbuf:-off} \
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"4 proc_debug" "Disable process debugging facilities for unprivileged users" ${proc_debug:-off} \
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"5 random_pid" "Randomize the PID of newly created processes" ${random_pid:-off} \
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"6 clear_tmp" "Clean the /tmp filesystem on system startup" ${clear_tmp:-off} \
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"7 disable_syslogd" "Disable opening Syslogd network socket (disables remote logging)" ${disable_syslogd:-off} \
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"8 disable_sendmail" "Disable Sendmail service" ${disable_sendmail:-off} \
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"9 secure_console" "Enable console password prompt" ${secure_console:-off} \
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"10 disable_ddtrace" "Disallow DTrace destructive-mode" ${disable_ddtrace:-off} \
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2>&1 1>&3 )
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exec 3>&-
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for feature in $FEATURES; do
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case "$feature" in
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hide_uids)
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echo security.bsd.see_other_uids=0 >> $BSDINSTALL_TMPETC/sysctl.conf.hardening
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;;
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hide_gids)
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echo security.bsd.see_other_gids=0 >> $BSDINSTALL_TMPETC/sysctl.conf.hardening
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;;
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hide_jail)
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echo security.bsd.see_jail_proc=0 >> $BSDINSTALL_TMPETC/sysctl.conf.hardening
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;;
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read_msgbuf)
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echo security.bsd.unprivileged_read_msgbuf=0 >> $BSDINSTALL_TMPETC/sysctl.conf.hardening
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;;
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proc_debug)
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echo security.bsd.unprivileged_proc_debug=0 >> $BSDINSTALL_TMPETC/sysctl.conf.hardening
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;;
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random_pid)
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echo kern.randompid=1 >> $BSDINSTALL_TMPETC/sysctl.conf.hardening
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;;
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clear_tmp)
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echo 'clear_tmp_enable="YES"' >> $BSDINSTALL_TMPETC/rc.conf.hardening
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;;
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disable_syslogd)
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echo 'syslogd_flags="-ss"' >> $BSDINSTALL_TMPETC/rc.conf.hardening
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;;
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disable_sendmail)
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echo 'sendmail_enable="NONE"' >> $BSDINSTALL_TMPETC/rc.conf.hardening
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;;
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secure_console)
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sed "s/unknown off secure/unknown off insecure/g" $BSDINSTALL_CHROOT/etc/ttys > $BSDINSTALL_TMPETC/ttys.hardening
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;;
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disable_ddtrace)
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echo 'security.bsd.allow_destructive_dtrace=0' >> $BSDINSTALL_TMPBOOT/loader.conf.hardening
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;;
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esac
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done
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