void-packages/srcpkgs/xbps-triggers/files/system-accounts

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#!/bin/sh -e
#
# (Un)registers systems accounts (users/groups).
#
# Arguments: $ACTION = [run/targets]
# $TARGET = [post-install/pre-remove]
# $PKGNAME
# $VERSION
# $UPDATE = [yes/no]
#
ACTION="$1"
TARGET="$2"
PKGNAME="$3"
VERSION="$4"
UPDATE="$5"
useradd_cmd=usr/sbin/useradd
userdel_cmd=usr/sbin/userdel
groupadd_cmd=usr/sbin/groupadd
passwd_cmd=usr/bin/passwd
getent_cmd=usr/bin/getent
case "$ACTION" in
targets)
echo "post-install pre-remove"
;;
run)
if [ ! -x $useradd_cmd -a ! -x $groupadd_cmd -a ! -x $passwd_cmd \
-a ! -x $getent_cmd ]; then
exit 0
fi
if [ -z "$system_accounts" ]; then
exit 0
fi
case "$TARGET" in
post-install)
for acct in ${system_accounts}; do
eval homedir="\$${acct}_homedir"
eval shell="\$${acct}_shell"
eval descr="\$${acct}_descr"
eval groups="\$${acct}_groups"
[ -z "$homedir" ] && homedir="/"
[ -z "$shell" ] && shell="/sbin/nologin"
[ -z "$descr" ] && descr="$acct unpriviledged user"
[ -n "$groups" ] && groups="-G $groups"
if ! $getent_cmd group ${acct} >/dev/null; then
$groupadd_cmd -r ${acct} \
2>&1 >/dev/null || exit $?
echo "Created ${acct} system group."
fi
if ! $getent_cmd passwd ${acct} >/dev/null; then
$useradd_cmd -c "$descr" -d "$homedir" \
-s "$shell" -g ${acct} $groups \
-r ${acct} && \
$passwd_cmd -l ${acct} \
2>&1 >/dev/null || exit $?
echo "Created ${acct} system user."
fi
done
;;
pre-remove)
#
# Only unregister if we aren't updating a package.
#
if [ "$UPDATE" = "no" ]; then
for acct in ${system_accounts}; do
$userdel_cmd ${acct} 2>&1 >/dev/null
if [ $? -eq 0 ]; then
echo "Removed ${acct} system user/group."
fi
done
fi
;;
esac
;;
*)
exit 1
;;
esac
exit 0