unix-privesc-check/lib/misc/user
2012-12-20 15:42:13 -07:00

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#!/bin/sh
# $Revision: 290 $
#
# 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 "${userincluded}" ]
then
userincluded=1
. lib/misc/passwd
. lib/misc/validate
user_is_trusted () {
username="${1}"
[ "`validate_is_string \"${username}\"`" ] || false
# TODO write this
false
}
user_is_root () {
if [ "`user_show_user_id`" = "0" ]
then
printf -- "1\n"
else
printf -- "0\n"
fi
}
user_is_user_root () {
username="${1}"
[ "`validate_is_string \"${username}\"`" ] || false
if [ "${username}" = "root" ]
then
printf -- "1\n"
else
printf -- "0\n"
fi
}
user_is_user_id () {
userid="${1}"
[ "`validate_is_number \"${userid}\"`" ] || false
if [ "`user_show_user_id`" = "${userid}" ]
then
printf -- "1\n"
else
printf -- "0\n"
fi
}
user_is_user_name () {
username="${1}"
[ "`validate_is_string \"${username}\"`" ] || false
if [ "`user_show_user_name`" = "${username}" ]
then
printf -- "1\n"
else
printf -- "0\n"
fi
}
user_is_in_group_id () {
username="${1}"
groupid="${2}"
[ "`validate_is_string \"${username}\"`" ] || false
[ "`validate_is_number \"${groupid}\"`" ] || false
# TODO write this
false
}
user_is_in_group_name () {
username="${1}"
group="${2}"
ret="0"
[ "`validate_is_string \"${username}\"`" ] || false
[ "`validate_is_string \"${group}\"`" ] || false
groups "${username}" | while read usergroup
do
if [ "${usergroup}" = "${group}" ]
then
ret="1"
break
fi
done
printf -- "${ret}\n"
}
user_show_user_id () {
printf -- "`id -u`\n"
}
user_show_user_name () {
printf -- "`id -u -n`\n"
}
user_match_user_name () {
pattern="${1}"
[ "`validate_is_string \"${pattern}\"`" ] || false
passwd_list | while read username
do
if [ -n "`printf -- \"${username}\" | egrep -- \"${pattern}\"`" ]
then
printf -- "${username}\n"
fi
done
}
fi