crypto_factory algorithm enumeration API

implementation of "ipsec listalgs"

src/ipsec/ipsec.in

@@ -133,19 +133,19 @@ down-srcip)
 	;;
 listalgs|listpubkeys|\listcards|\rereadgroups)
 	op="$1"
+	rc=7
 	shift
 	if [ -e $IPSEC_PLUTO_PID ]
 	then
 		$IPSEC_WHACK "$@" "--$op"
-		exit "$?"
-	else
-		if [ -e $IPSEC_CHARON_PID ]
-		then
-			exit 3
-		else
-			exit 7
-		fi
+		rc="$?"
 	fi
+	if [ -e $IPSEC_CHARON_PID ]
+	then
+		$IPSEC_STROKE "$op"
+		rc="$?"
+	fi
+	exit "$rc"
 	;;
 listcerts|listcacerts|listaacerts|\
 listacerts|listgroups|listocspcerts|\