#!/bin/bash

export PATH=/bin:/sbin:/usr/bin:/usr/sbin

if [ "$TERM" == "xterm" ]; then
	color=y
elif [ "$TERM" == "xterm-color" ]; then
	color=y
elif [ "$TERM" == "linux" ]; then
	color=y
elif [ "$TERM" == "vt100" ]; then
	color=y
elif [ "$TERM" == "rxvt" ]; then
	color=y
else
	color=n
fi

if [ "$UID" == "0" ]; then
	root=y
else 
	root=n
	username=`whoami`
fi

if [ "$color" == "y" ]; then
    C1="\033[0;36m"
    C2="\033[1;36m"
    C3="\033[0m"
else
    C1="\033[0m"
    C2="\033[1;39m"
    C3="\033[0m"
fi

ab_user=0
ab_group=0
ab_world=0
absolute=0
sticky=0
suid=0
sgid=0

if [ -z $1 ];then
echo "Format: $0 (file|directory)"
exit 1
elif [ ! -e $1 ];then
echo "Please supply an existing file/directory"
exit 1
fi

tmp=`ls -ld $1 |awk '{print $1}'`
user=`ls -ld $1 |awk '{print $3}'`
group=`ls -ld $1|awk '{print $4}'`
file=`ls -ld $1 |awk '{print $9}'`
link=`ls -ld $1 |awk '{print $11}'`
type="Filename"

for x in 0 1 2 3 4 5 6 7 8 9 ; do
perm[$x]=${tmp:$x:1}
done

if [ "${perm[0]}" == "d" ]; then
	type="Directory"
elif [ "${perm[0]}" == "l" ]; then
	type="Link"
fi

symbolic="User: $C1${perm[1]}${perm[2]}${perm[3]}$C2"
symbolic="$symbolic Group: $C1${perm[4]}${perm[5]}${perm[6]}$C2"
symbolic="$symbolic World: $C1${perm[7]}${perm[8]}${perm[9]}"

if [ "${perm[3]}" == "s" ]; then
	suid="4"
	ab_user=1
elif [ "${perm[3]}" == "S" ]; then
	suid="4"
fi
if [ "${perm[6]}" == "s" ]; then
	sgid="2"
	ab_group=1
elif [ "${perm[6]}" == "S" ]; then
	sgid="2"
fi
if [ "${perm[9]}" == "t" ]; then
	sticky="1"
	ab_world=1
elif [ "${perm[9]}" == "T" ]; then
	sticky="1"
fi
if [ "${perm[1]}" == "r" ]; then
	ab_user=$(($ab_user + 4))
fi
if [ "${perm[2]}" == "w" ]; then
	ab_user=$(($ab_user + 2))
fi
if [ "${perm[3]}" == "x" ]; then
	ab_user=$(($ab_user + 1))
fi
if [ "${perm[4]}" == "r" ]; then
	ab_group=$(($ab_group + 4))
fi
if [ "${perm[5]}" == "w" ]; then
	ab_group=$(($ab_group + 2))
fi
if [ "${perm[6]}" == "x" ]; then
	ab_group=$(($ab_group + 1))
fi
if [ "${perm[7]}" == "r" ]; then
	ab_world=$(($ab_world + 4))
fi
if [ "${perm[8]}" == "w" ]; then
	ab_world=$(($ab_world + 2))
fi
if [ "${perm[9]}" == "x" ]; then
	ab_world=$(($ab_world + 1))
fi

absolute=$(($suid + $sgid + $sticky))
if [ "$absolute" == "0" ]; then
	absolute=""
fi
absolute=$absolute$ab_user$ab_group$ab_world

echo 
echo -en "$C1 $type: $C2$file"
if [ "$type" == "Link" ]; then
	echo -e "$C1 Linked To$C2 $link"
else
	echo -en "\n"
fi
echo -e "$C1 Owner: $C2$user$C1 Group: $C2$group"
echo -e "$C1 Permissions: $C2${perm[*]}"
echo -e "$C1 Absolute: $C2$absolute"
echo -e "$C1 Symbolic: $C2$symbolic$C3"