Keep the target user's local bin on user-scoped upgrade paths while giving privileged lock and firewall helpers only root-owned search directories. Pin the lock helper's root PATH and fprintd-list executable, with regression coverage for each defense independently. Reported-by: Rooke Poole <rookpool97@gmail.com>
61 lines
2.0 KiB
Bash
Executable File
61 lines
2.0 KiB
Bash
Executable File
#!/bin/bash
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# omarchy:summary=Configure Quickshell lock screen authentication
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# omarchy:requires-sudo=true
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# omarchy:hidden=true
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set -e
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# Install and upgrade callers can start this helper as root. Ignore their PATH
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# so optional commands never fall through to a user-writable directory.
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if (( EUID == 0 )); then
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export PATH=/usr/share/omarchy/bin:/usr/local/bin:/usr/bin:/bin
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fi
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target_user=${OMARCHY_INSTALL_USER:-${SUDO_USER:-}}
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if [[ -z $target_user && -n ${PKEXEC_UID:-} ]]; then
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target_user=$(getent passwd "$PKEXEC_UID" | cut -d: -f1)
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fi
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target_user=${target_user:-$USER}
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as_root() {
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if (( EUID == 0 )); then
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"$@"
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else
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sudo "$@"
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fi
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}
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echo "Configuring lock screen password authentication..."
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as_root tee /etc/pam.d/omarchy-lock-password >/dev/null <<'EOF'
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#%PAM-1.0
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auth required pam_faillock.so preauth silent deny=10 unlock_time=120
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-auth [success=2 default=ignore] pam_systemd_home.so
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auth [success=1 default=bad] pam_unix.so try_first_pass nullok
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auth [default=die] pam_faillock.so authfail deny=10 unlock_time=120
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auth optional pam_permit.so
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auth required pam_env.so
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auth required pam_faillock.so authsucc
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account include system-local-login
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EOF
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if [[ -x /usr/bin/fprintd-list ]] &&
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/usr/bin/fprintd-list "$target_user" 2>/dev/null | grep -qi finger; then
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echo "Configuring lock screen fingerprint authentication..."
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as_root tee /etc/pam.d/omarchy-lock-fingerprint >/dev/null <<'EOF'
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#%PAM-1.0
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auth required pam_fprintd.so
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account include system-local-login
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EOF
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else
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as_root rm -f /etc/pam.d/omarchy-lock-fingerprint
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fi
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# omarchy-shell can't reach a running shell during chroot install. The echo
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# is just confirmation, so swallow the failure rather than letting it become
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# the script's exit code.
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if omarchy-shell lock status >/dev/null 2>&1; then
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echo "Lock screen authentication configured."
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fi
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