1 | /* $NetBSD: prsa_tok.l,v 1.4 2006/09/09 16:22:10 manu Exp $ */ |
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2 | |
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3 | /* Id: prsa_tok.l,v 1.2 2004/07/12 20:43:51 ludvigm Exp */ |
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4 | |
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5 | %{ |
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6 | /* |
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7 | * Copyright (C) 2004 SuSE Linux AG, Nuernberg, Germany. |
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8 | * Contributed by: Michal Ludvig <mludvig@suse.cz>, SUSE Labs |
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9 | * All rights reserved. |
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10 | * |
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11 | * Redistribution and use in source and binary forms, with or without |
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12 | * modification, are permitted provided that the following conditions |
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13 | * are met: |
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14 | * 1. Redistributions of source code must retain the above copyright |
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15 | * notice, this list of conditions and the following disclaimer. |
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16 | * 2. Redistributions in binary form must reproduce the above copyright |
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17 | * notice, this list of conditions and the following disclaimer in the |
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18 | * documentation and/or other materials provided with the distribution. |
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19 | * 3. Neither the name of the project nor the names of its contributors |
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20 | * may be used to endorse or promote products derived from this software |
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21 | * without specific prior written permission. |
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22 | * |
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23 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
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24 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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25 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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26 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE |
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27 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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28 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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29 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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30 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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31 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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32 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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33 | * SUCH DAMAGE. |
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34 | */ |
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35 | |
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36 | /* This file contains a tokeniser for FreeS/WAN-style ipsec.secrets RSA keys. */ |
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37 | |
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38 | #include <string.h> |
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39 | #include <openssl/bn.h> |
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40 | #include <openssl/rsa.h> |
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41 | #include "prsa_par.h" |
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42 | |
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43 | extern int prsalex (void); |
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44 | extern int prsa_cur_lineno; |
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45 | |
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46 | %} |
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47 | |
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48 | comment \#.* |
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49 | digit [0-9] |
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50 | octet (([01]?{digit}?{digit})|((2([0-4]{digit}))|(25[0-5]))) |
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51 | addr4 {octet}\.{octet}\.{octet}\.{octet} |
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52 | hex [0-9a-fA-F] |
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53 | word6 {hex}{0,4} |
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54 | base64 [A-Za-z0-9+/=] |
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55 | addr6 (::({word6}|{addr4})?|({word6}:)+:?({word6}|{addr4})?) |
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56 | %% |
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57 | \{ { return OBRACE; } |
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58 | \} { return EBRACE; } |
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59 | : { return COLON; } |
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60 | RSA { return TAG_RSA; } |
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61 | PSK { return TAG_PSK; } |
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62 | PUB { return TAG_PUB; } |
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63 | 0x[0-9a-fA-F]+ { |
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64 | BIGNUM *bn = BN_new(); |
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65 | BN_hex2bn(&bn, prsatext+2); |
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66 | prsalval.bn = bn; |
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67 | return HEX; |
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68 | } |
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69 | 0s{base64}+ { |
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70 | prsalval.chr = strdup(prsatext); |
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71 | return BASE64; |
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72 | } |
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73 | Modulus { return MODULUS; } |
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74 | PublicExponent { return PUBLIC_EXPONENT; } |
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75 | PrivateExponent { return PRIVATE_EXPONENT; } |
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76 | Prime1 { return PRIME1; } |
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77 | Prime2 { return PRIME2; } |
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78 | Exponent1 { return EXPONENT1; } |
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79 | Exponent2 { return EXPONENT2; } |
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80 | Coefficient { return COEFFICIENT; } |
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81 | \/ { return SLASH; } |
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82 | {digit}+ { prsalval.num = atol(prsatext); return NUMBER; } |
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83 | any { return ADDRANY; } |
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84 | {addr4} { prsalval.chr = strdup(prsatext); return ADDR4; } |
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85 | {addr6} { prsalval.chr = strdup(prsatext); return ADDR6; } |
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86 | [ \t]* ; |
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87 | \n { prsa_cur_lineno++; } |
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88 | \#.* ; |
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89 | %% |
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