1/*	$NetBSD: prsa_tok.l,v 1.4 2006/09/09 16:22:10 manu Exp $	*/
2
3/* Id: prsa_tok.l,v 1.2 2004/07/12 20:43:51 ludvigm Exp */
4
5%{
6/*
7 * Copyright (C) 2004 SuSE Linux AG, Nuernberg, Germany.
8 * Contributed by: Michal Ludvig <mludvig@suse.cz>, SUSE Labs
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the project nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36/* This file contains a tokeniser for FreeS/WAN-style ipsec.secrets RSA keys. */
37
38#include <string.h>
39#include <openssl/bn.h>
40#include <openssl/rsa.h>
41#include "prsa_par.h"
42
43extern int prsalex (void);
44extern int prsa_cur_lineno;
45
46%}
47
48comment		\#.*
49digit		[0-9]
50octet		(([01]?{digit}?{digit})|((2([0-4]{digit}))|(25[0-5])))
51addr4		{octet}\.{octet}\.{octet}\.{octet}
52hex		[0-9a-fA-F]
53word6		{hex}{0,4}
54base64		[A-Za-z0-9+/=]
55addr6		(::({word6}|{addr4})?|({word6}:)+:?({word6}|{addr4})?)
56%%
57\{		{ return OBRACE; }
58\}		{ return EBRACE; }
59:		{ return COLON; }
60RSA		{ return TAG_RSA; }
61PSK		{ return TAG_PSK; }
62PUB		{ return TAG_PUB; }
630x[0-9a-fA-F]+	{
64			BIGNUM *bn = BN_new();
65			BN_hex2bn(&bn, prsatext+2);
66			prsalval.bn = bn;
67			return HEX;
68		}
690s{base64}+	{
70			prsalval.chr = strdup(prsatext);
71			return BASE64;
72		}
73Modulus		{ return MODULUS; }
74PublicExponent	{ return PUBLIC_EXPONENT; }
75PrivateExponent	{ return PRIVATE_EXPONENT; }
76Prime1		{ return PRIME1; }
77Prime2		{ return PRIME2; }
78Exponent1	{ return EXPONENT1; }
79Exponent2	{ return EXPONENT2; }
80Coefficient	{ return COEFFICIENT; }
81\/		{ return SLASH; }
82{digit}+	{ prsalval.num = atol(prsatext); return NUMBER; }
83any		{ return ADDRANY; }
84{addr4}		{ prsalval.chr = strdup(prsatext); return ADDR4; }
85{addr6}		{ prsalval.chr = strdup(prsatext); return ADDR6; }
86[ \t]*		;
87\n		{ prsa_cur_lineno++; }
88\#.*		;
89%%
90