unix-privesc-check/lib/misc/group

#!/bin/sh
# $Revision: 279 $
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#
# (c) Tim Brown, 2012
# <mailto:timb@nth-dimension.org.uk>
# <http://www.nth-dimension.org.uk/> / <http://www.machine.org.uk/>
#
# Supports: Linux

if [ -z "${groupincluded}" ]
then

groupincluded=1

. lib/misc/validate

group_is_trusted () {
	group="${1}"
	[ "`validate_is_string \"${group}\"`" ] || false
	# TODO write this
	false
}

group_is_root () {
	group="${1}"
	[ "`validate_is_string \"${group}\"`" ] || false
	# TODO write this
	false
}

group_is_group_id () {
	groupid="${1}"
	[ "`validate_is_number \"${groupid}\"`" ] || false
	if [ "`group_show_group_id`" = "${groupid}" ]
	then
		printf -- "1\n"
	else
		printf -- "0\n"
	fi
}

group_is_group_name () {
	group="${1}"
	[ "`validate_is_string \"${group}\"`" ] || false
	if [ "`group_show_group_name`" = "${group}" ]
	then
		printf -- "1\n"
	else
		printf -- "0\n"
	fi
}

group_is_in_group_id () {
	groupid="${1}"
	ret="0"
	[ "`validate_is_number \"${groupid}\"`" ] || false
	group_show_group_ids | while read usergroupid
	do
		if [ "${usergroupid}" = "${groupid}" ]
		then
			ret="1"
			break
		fi
	done
	printf -- "${ret}\n"
}

group_is_in_group_name () {
	group="${1}"
	ret="0"
	[ "`validate_is_string \"${group}\"`" ] || false
	group_show_group_names | while read usergroup
	do
		if [ "${usergroup}" = "${group}" ]
		then
			ret="1"
			break
		fi
	done
	printf -- "${ret}\n"
}

group_show_group_id () {
	printf -- "`id -g`\n"
}

group_show_group_ids () {
	printf -- "`id -G | tr \" \" \"\n\"`\n"
}

group_show_group_name () {
	printf -- "`id -g -n`\n"
}

group_show_group_names () {
	printf -- "`id -G -n | tr \" \" \"\n\"`\n"
}

fi