mirror of
https://github.com/Kicksecure/security-misc.git
synced 2025-02-11 03:28:28 -05:00
127 lines
3.9 KiB
Bash
127 lines
3.9 KiB
Bash
#!/bin/bash
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## Copyright (C) 2012 - 2025 ENCRYPTED SUPPORT LLC <adrelanos@whonix.org>
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## See the file COPYING for copying conditions.
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if [ -f /usr/libexec/helper-scripts/pre.bsh ]; then
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source /usr/libexec/helper-scripts/pre.bsh
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fi
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## Required since this package uses debconf - this is mandatory even though
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## the postinst itself does not use debconf commands.
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source /usr/share/debconf/confmodule
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set -e
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true "
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#####################################################################
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## INFO: BEGIN: $DPKG_MAINTSCRIPT_PACKAGE $DPKG_MAINTSCRIPT_NAME $*
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#####################################################################
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"
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permission_hardening_legacy_config_folder() {
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if ! test -d /etc/permission-hardening.d ; then
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return 0
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fi
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rmdir --verbose --ignore-fail-on-non-empty /etc/permission-hardening.d || true
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}
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permission_hardening() {
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echo "Running SUID Disabler and Permission Hardener... See also:"
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echo "https://www.kicksecure.com/wiki/SUID_Disabler_and_Permission_Hardener"
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echo "$0: INFO: running: permission-hardener enable"
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if ! permission-hardener enable ; then
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echo "$0: ERROR: Permission hardening failed." >&2
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return 0
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fi
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echo "$0: INFO: Permission hardening success."
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}
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migrate_permission_hardener_state() {
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## If folder /var/lib/permission-hardener (version 1) does not exist, this migration is unneeded.
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if [ ! -d '/var/lib/permission-hardener' ]; then
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return 0
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fi
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if [ -f "/var/lib/security-misc/do_once/${FUNCNAME[0]}_version_1" ]; then
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return 0
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fi
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mkdir --parents '/var/lib/security-misc/do_once'
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mkdir --parents '/var/lib/permission-hardener-v2/existing_mode'
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cp '/usr/share/security-misc/permission-hardener-existing-mode-legacy-hardcoded' '/var/lib/permission-hardener-v2/existing_mode/statoverride'
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touch "/var/lib/security-misc/do_once/${FUNCNAME[0]}_version_1"
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}
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case "$1" in
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configure)
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if [ -d /etc/skel/.gnupg ]; then
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## Lintian warns against use of chmod --recursive.
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chmod 700 /etc/skel/.gnupg
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fi
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## /usr/share/glib-2.0/schemas/30_security-misc.gschema.override
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glib-compile-schemas /usr/share/glib-2.0/schemas || true
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## state dir for faillock
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mkdir -p /var/lib/security-misc/faillock
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## migrate permission_hardener state to v2 if applicable
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migrate_permission_hardener_state
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;;
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abort-upgrade|abort-remove|abort-deconfigure)
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;;
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triggered)
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echo "INFO: triggered $DPKG_MAINTSCRIPT_PACKAGE: '$DPKG_MAINTSCRIPT_PACKAGE' $DPKG_MAINTSCRIPT_PACKAGE DPKG_MAINTSCRIPT_NAME: '$DPKG_MAINTSCRIPT_NAME' $\*: '$*' 2: '$2'"
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/usr/share/security-misc/lkrg/lkrg-virtualbox || true
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/usr/libexec/security-misc/mmap-rnd-bits || true
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permission_hardening
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exit 0
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;;
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*)
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echo "$DPKG_MAINTSCRIPT_NAME called with unknown argument \`$1'" >&2
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exit 1
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;;
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esac
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pam-auth-update --package
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/usr/libexec/security-misc/permission-lockdown
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permission_hardening
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## https://phabricator.whonix.org/T377
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## Debian has no update-grub trigger yet:
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## https://bugs.debian.org/481542
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if command -v update-grub >/dev/null 2>&1; then
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update-grub || \
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echo "$DPKG_MAINTSCRIPT_PACKAGE $DPKG_MAINTSCRIPT_NAME ERROR: Running \
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'update-grub' failed with exit code $?. $DPKG_MAINTSCRIPT_PACKAGE is most \
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likely only the trigger, not the cause. Unless you know this is not an issue, \
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you should fix running 'update-grub', otherwise your system might no longer \
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boot." >&2
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fi
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/usr/libexec/security-misc/mmap-rnd-bits || true
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true "INFO: debhelper beginning here."
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#DEBHELPER#
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true "INFO: Done with debhelper."
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permission_hardening_legacy_config_folder
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true "
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#####################################################################
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## INFO: END : $DPKG_MAINTSCRIPT_PACKAGE $DPKG_MAINTSCRIPT_NAME $*
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#####################################################################
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"
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## Explicitly "exit 0", so eventually trapped errors can be ignored.
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exit 0
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