security-misc/debian/security-misc.postinst

#!/bin/bash

## Copyright (C) 2012 - 2019 ENCRYPTED SUPPORT LP <adrelanos@riseup.net>
## See the file COPYING for copying conditions.

if [ -f /usr/lib/helper-scripts/pre.bsh ]; then
   source /usr/lib/helper-scripts/pre.bsh
fi

set -e

true "
#####################################################################
## INFO: BEGIN: $DPKG_MAINTSCRIPT_PACKAGE $DPKG_MAINTSCRIPT_NAME $@
#####################################################################
"

case "$1" in
    configure)
        glib-compile-schemas /usr/share/glib-2.0/schemas || true
    ;;

    abort-upgrade|abort-remove|abort-deconfigure)
    ;;

    *)
        echo "$DPKG_MAINTSCRIPT_NAME called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac

addgroup --system sysfs
addgroup --system cpuinfo

## group 'sudo' membership required to use 'su'
## /usr/share/pam-configs/wheel-security-misc
addgroup root sudo

## Related to Console Lockdown.
## /usr/share/pam-configs/console-lockdown-security-misc
## /etc/security/access-security-misc.conf
addgroup --system console
addgroup --system console-unrestricted
addgroup --system ssh
## This has no effect since by default this package also ships and an
## /etc/securetty configuration file that contains nothing but comments, i.e.
## an "empty" /etc/securetty.
## In case a system administrator edits /etc/securetty, there is no need to
## block for this to be still blocked by console lockdown. See also:
## https://www.whonix.org/wiki/Root#Root_Login
addgroup root console

pam-auth-update --package

/usr/lib/security-misc/permission-lockdown

## https://phabricator.whonix.org/T377
## Debian has no update-grub trigger yet:
## https://bugs.debian.org/481542
if command -v update-grub >/dev/null 2>&1; then
   update-grub || \
      echo "$DPKG_MAINTSCRIPT_PACKAGE $DPKG_MAINTSCRIPT_NAME ERROR: Running \
'update-grub' failed with exit code $?. $DPKG_MAINTSCRIPT_PACKAGE is most \
likely only the trigger, not the cause. Unless you know this is not an issue, \
you should fix running 'update-grub', otherwise your system might no longer \
boot." >&2
fi

true "INFO: debhelper beginning here."

#DEBHELPER#

true "INFO: Done with debhelper."

true "
#####################################################################
## INFO: END  : $DPKG_MAINTSCRIPT_PACKAGE $DPKG_MAINTSCRIPT_NAME $@
#####################################################################
"

## Explicitly "exit 0", so eventually trapped errors can be ignored.
exit 0