keychain.sh

#!/bin/bash

GETPASS=0
GETUSER=0
DEBUG=0
KEYCHAIN=""

while [ "$1" != "" ]
do
	case $1
		in
		-p) GETPASS=1;
			shift 1;;
		-u) GETUSER=1;
			shift 1;;
		-s) SERVICE=$2;
			shift 2;;
		-k) KEYCHAIN=$2;
			shift 2;;
		-d) DEBUG=1;
			shift 1;;
		*)  echo "Option [$1] not one of  [p, u, s, k, d]";    # Error (!)
			exit;;
	esac
done

if test $DEBUG -gt 0 ; then
    echo "DEBUG INFO"
    echo " -p = $GETPASS"
    echo " -u = $GETUSER"
    echo " -s = $SERVICE"
    echo " -k = $KEYCHAIN"
    echo " -d = $DEBUG"
fi

SEC=`security find-generic-password -s $SERVICE -g $KEYCHAIN 2>&1`

function getAttribute() {
	echo `echo "$SEC" | grep "$1" | cut -d \" -f 4`
}

# Get username (account)
if test $GETUSER -gt 0 ; then
	getAttribute "acct"
	exit 0
fi

# Get password
if test $GETPASS -gt 0 ; then
	echo `echo "$SEC" | grep "password" | cut -d \" -f 2`
	exit 0
fi