mirror of
https://github.com/tasket/Qubes-VM-hardening.git
synced 2024-10-01 06:35:42 -04:00
57 lines
2.0 KiB
Bash
57 lines
2.0 KiB
Bash
#!/bin/bash
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# From https://github.com/tasket/Qubes-VM-hardening
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set -e
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[ `id -u` -eq 0 ] || exit
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if [ ! -e /etc/debian_version ]; then
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echo "Debian-based template required for autoconfiguration.
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See qubes-os.org/doc/vm-sudo for manual instructions."
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exit 0
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fi
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echo -e "\n--+ Enable yes/no authentication prompt for sudo +--
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Warning: Before opting for this change a backup or clone
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should me made of this template!"
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read -p "Configure sudo authentication prompt now? (y/n): " answer
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if [[ $answer == @(y|Y) ]]; then
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mv -fb /etc/pam.d/common-auth /etc/pam.d/common-auth.bak
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cat >/etc/pam.d/common-auth <<_EOF
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auth [success=1 default=ignore] pam_exec.so seteuid /usr/lib/qubes/qrexec-client-vm dom0 qubes.VMAuth /bin/grep -q ^1$
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auth requisite pam_deny.so
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auth required pam_permit.so
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_EOF
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# sed -i 's/^user ALL=(ALL) NOPASSWD: ALL/user ALL=(ALL) ALL/' /etc/sudoers.d/qubes
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sed -i 's/^user/#user/' /etc/sudoers.d/qubes
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echo 'user ALL=(ALL) ALL' >>/etc/sudoers.d/qubes
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sed -ri 's/^(auth[[:space:]]sufficient[[:space:]]pam_permit.so)/#\1/' /etc/pam.d/su
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mv -f /etc/polkit-1/rules.d/00-qubes-allow-all.rules \
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/etc/polkit-1/rulesd_00-qubes-allow-all.rules.bak
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mv -f /etc/polkit-1/localauthority/50-local.d/qubes-allow-all.pkla \
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/etc/polkit-1/localauthority_50-locald_qubes-allow-all.pkla.bak
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if [ -e /etc/whonix.d ]; then
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cat >/etc/sudoers.d/zz99_sudoprompt <<_EOF
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ALL ALL=NOPASSWD: /usr/sbin/virt-what
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ALL ALL=NOPASSWD: /usr/sbin/service whonixcheck restart
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ALL ALL=NOPASSWD: /usr/sbin/service whonixcheck start
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ALL ALL=NOPASSWD: /usr/sbin/service whonixcheck stop
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ALL ALL=NOPASSWD: /usr/sbin/service whonixcheck status
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_EOF
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fi
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echo "Done."
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echo '
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Next.... Enable auth prompts in dom0 with the following commands:
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[user@dom0 ~]$ sudo su -
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[root@dom0 /]# echo "/usr/bin/echo 1" >/etc/qubes-rpc/qubes.VMAuth
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[root@dom0 /]# echo "\$anyvm dom0 ask,default_target=dom0" \
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>/etc/qubes-rpc/policy/qubes.VMAuth
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'
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fi
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