mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-11-23 12:11:08 +01:00
94 lines
2.4 KiB
Bash
94 lines
2.4 KiB
Bash
#!/bin/sh
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#
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# $FreeBSD$
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#
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# Set to a list of packages to install.
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export VM_EXTRA_PACKAGES="firstboot-freebsd-update firstboot-pkgs \
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google-cloud-sdk google-daemon panicmail sudo firstboot-growfs \
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google-startup-scripts"
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# Set to a list of third-party software to enable in rc.conf(5).
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export VM_RC_LIST="google_accounts_manager ntpd sshd firstboot_growfs \
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firstboot_pkgs firstboot_freebsd_update google_startup"
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vm_extra_install_base() {
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echo 'search google.internal' > ${DESTDIR}/etc/resolv.conf
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echo 'nameserver 169.254.169.254' >> ${DESTDIR}/etc/resolv.conf
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echo 'nameserver 8.8.8.8' >> ${DESTDIR}/etc/resolv.conf
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}
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vm_extra_pre_umount() {
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cat << EOF >> ${DESTDIR}/etc/rc.conf
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dumpdev="AUTO"
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ifconfig_DEFAULT="SYNCDHCP mtu 1460"
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ntpd_sync_on_start="YES"
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# need to fill in something here
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#firstboot_pkgs_list=""
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panicmail_autosubmit="YES"
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EOF
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cat << EOF >> ${DESTDIR}/boot/loader.conf
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autoboot_delay="-1"
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beastie_disable="YES"
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loader_logo="none"
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hw.memtest.tests="0"
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console="comconsole,vidconsole"
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hw.vtnet.mq_disable=1
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kern.timecounter.hardware=ACPI-safe
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aesni_load="YES"
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nvme_load="YES"
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EOF
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echo '169.254.169.254 metadata.google.internal metadata' > \
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${DESTDIR}/etc/hosts
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# overwrite ntp.conf
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cat << EOF > ${DESTDIR}/etc/ntp.conf
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server metadata.google.internal iburst
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restrict default kod nomodify notrap nopeer noquery
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restrict -6 default kod nomodify notrap nopeer noquery
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restrict 127.0.0.1
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restrict -6 ::1
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restrict 127.127.1.0
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EOF
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cat << EOF >> ${DESTDIR}/etc/syslog.conf
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*.err;kern.warning;auth.notice;mail.crit /dev/console
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EOF
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cat << EOF >> ${DESTDIR}/etc/ssh/sshd_config
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ChallengeResponseAuthentication no
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X11Forwarding no
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AcceptEnv LANG
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Ciphers aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc
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AllowAgentForwarding no
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ClientAliveInterval 420
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EOF
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cat << EOF >> ${DESTDIR}/etc/crontab
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0 3 * * * root /usr/sbin/freebsd-update cron
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EOF
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cat << EOF >> ${DESTDIR}/etc/sysctl.conf
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net.inet.icmp.drop_redirect=1
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net.inet.ip.redirect=0
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net.inet.tcp.blackhole=2
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net.inet.udp.blackhole=1
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kern.ipc.somaxconn=1024
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debug.trace_on_panic=1
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debug.debugger_on_panic=0
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EOF
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## XXX: Verify this is needed. I do not see this requirement
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## in the docs, and it impairs the ability to boot-test a copy
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## of the image prior to packaging for upload to GCE.
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#sed -E -i '' 's/^([^#].*[[:space:]])on/\1off/' ${DESTDIR}/etc/ttys
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touch ${DESTDIR}/firstboot
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return 0
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}
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