docker-bench-security/helper_lib.sh
2015-05-13 15:26:45 -07:00

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#!/bin/sh
# Returns the absolute path of a given string
abspath () { case "$1" in /*)printf "%s\n" "$1";; *)printf "%s\n" "$PWD/$1";; esac; }
# Compares versions of software of the format X.Y.Z
do_version_check() {
[ "$1" = "$2" ] && return 10
ver1front=`printf $1 | cut -d "." -f -1`
ver1back=`printf $1 | cut -d "." -f 2-`
ver2front=`printf $2 | cut -d "." -f -1`
ver2back=`printf $2 | cut -d "." -f 2-`
if [ "$ver1front" != "$1" ] || [ "$ver2front" != "$2" ]; then
[ "$ver1front" -gt "$ver2front" ] && return 11
[ "$ver1front" -lt "$ver2front" ] && return 9
[ "$ver1front" = "$1" ] || [ -z "$ver1back" ] && ver1back=0
[ "$ver2front" = "$2" ] || [ -z "$ver2back" ] && ver2back=0
do_version_check "$ver1back" "$ver2back"
return $?
else
[ "$1" -gt "$2" ] && return 11 || return 9
fi
}
# Compares two strings and returns 0 if the second is a substring of the first
contains() {
string="$1"
substring="$2"
if test "${string#*$substring}" != "$string"
then
return 0 # $substring is in $string
else
return 1 # $substring is not in $string
fi
}