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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 */
52b7d2ce
A
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#ifdef __APPLE__
42#include "y.tab.h"
43#else
44#include "prsa_par.h"
45#endif
46
47extern int prsalex (void);
48extern int prsa_cur_lineno;
49
50%}
51
52comment \#.*
53digit [0-9]
54octet (([01]?{digit}?{digit})|((2([0-4]{digit}))|(25[0-5])))
55addr4 {octet}\.{octet}\.{octet}\.{octet}
56hex [0-9a-fA-F]
57word6 {hex}{0,4}
58base64 [A-Za-z0-9+/=]
59addr6 (::({word6}|{addr4})?|({word6}:)+:?({word6}|{addr4})?)
60%%
61\{ { return OBRACE; }
62\} { return EBRACE; }
63: { return COLON; }
64RSA { return TAG_RSA; }
65PSK { return TAG_PSK; }
66PUB { return TAG_PUB; }
670x[0-9a-fA-F]+ {
68 BIGNUM *bn = BN_new();
69 BN_hex2bn(&bn, prsatext+2);
70 prsalval.bn = bn;
71 return HEX;
72 }
730s{base64}+ {
74 prsalval.chr = strdup(prsatext);
75 return BASE64;
76 }
77Modulus { return MODULUS; }
78PublicExponent { return PUBLIC_EXPONENT; }
79PrivateExponent { return PRIVATE_EXPONENT; }
80Prime1 { return PRIME1; }
81Prime2 { return PRIME2; }
82Exponent1 { return EXPONENT1; }
83Exponent2 { return EXPONENT2; }
84Coefficient { return COEFFICIENT; }
85\/ { return SLASH; }
86{digit}+ { prsalval.num = atol(prsatext); return NUMBER; }
87any { return ADDRANY; }
88{addr4} { prsalval.chr = strdup(prsatext); return ADDR4; }
89{addr6} { prsalval.chr = strdup(prsatext); return ADDR6; }
90[ \t]* ;
91\n { prsa_cur_lineno++; }
92\#.* ;
93%%