unix-privesc-check/lib/misc/validate

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#!/bin/sh
# $Revision: 247 $
#
# 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, AIX, Solaris, HP-UX
if [ -z "${validateincluded}" ]
then
validateincluded=1
. lib/misc/stdio
validate_matches_regex () {
value="${1}"
regex="${2}"
if [ -n "`printf -- \"${value}\" | egrep -- \"$regex\"`" ]
then
printf -- "1\n"
else
printf -- "0\n"
fi
}
validate_is_string () {
value="${1}"
if [ "`validate_matches_regex \"${value}\" \".*\"`" -eq 1 ]
then
printf -- "1\n"
else
stdio_message_error "validate" "invalid string"
printf -- "0\n"
fi
}
validate_is_number () {
value="${1}"
if [ "`validate_matches_regex \"${value}\" \"^[0-9]+$\"`" -eq 1 ]
then
printf -- "1\n"
else
stdio_message_error "validate" "invalid number: ${value}"
printf -- "0\n"
fi
}
validate_is_boolean () {
value="${1}"
if [ "`validate_is_regex \"${value}\" \"^[0-1]$\"`" -eq 1 ]
then
printf -- "1\n"
else
stdio_message_error "validate" "invalid boolean: ${value}"
printf -- "0\n"
fi
}
fi