74 lines
2.3 KiB
Bash
74 lines
2.3 KiB
Bash
#!/bin/bash
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# From https://github.com/tasket/Qubes-VM-hardening
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# installer version 0.9.4
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set -e
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[ `id -u` -eq 0 ] || exit
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if [ ! -e /etc/sudoers.d/qubes ]; then
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echo "The 'qubes-core-agent-passwordless-root' package does not appear"
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echo "to be present or configured; sudo autoconfiguration skipped."
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exit 0
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fi
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if [ ! -e /etc/debian_version ]; then
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echo "Debian-based template required for sudo autoconfiguration.
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See https://qubes-os.org/doc/vm-sudo for manual instructions."
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exit 1
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fi
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if [ "$1" = "--force" ]; then
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force=1
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else
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force=0
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fi
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if grep -q '^auth .* dom0\squbes\.VMAuth' /etc/pam.d/common-auth && [ $force = 0 ]; then
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echo "System appears already configured for sudo prompts."
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echo "To force re-configuration run 'configure-sudo-prompt --force'."
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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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if [ $force = 0 ]; then
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read -p "Configure sudo authentication prompt now? (y/n): " answer
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fi
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if [[ $answer == @(y|Y) ]] || [ $force = 1 ]; then
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mv -fb /etc/pam.d/common-auth /etc/pam.d/common-auth~
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cat >/etc/pam.d/common-auth <<_EOF
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auth [success=1 default=ignore] pam_exec.so seteuid /usr/lib/qubes/qrexec-client-vm dom0 qubes.VMAuth /bin/grep -q ^1$
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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 || true
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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 || true
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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 /]# chmod +x /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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