ipsec-tools/racoon/prsa_tok.l

   1 /* $Id: prsa_tok.l,v 1.2 2004/07/12 20:43:51 ludvigm Exp $ */
   2
   3 %{
   4 /*
   5  * Copyright (C) 2004 SuSE Linux AG, Nuernberg, Germany.
   6  * Contributed by: Michal Ludvig <mludvig@suse.cz>, SUSE Labs
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  * 3. Neither the name of the project nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 /* This file contains a tokeniser for FreeS/WAN-style ipsec.secrets RSA keys. */
  35
  36 #include <string.h>
  37 #include <openssl/bn.h>
  38 #include <openssl/rsa.h>
  39 #ifdef __APPLE__
  40 #include "y.tab.h"
  41 #else
  42 #include "prsa_par.h"
  43 #endif
  44
  45 extern int prsalex (void);
  46 extern int prsa_cur_lineno;
  47
  48 %}
  49
  50 comment         \#.*
  51 digit           [0-9]
  52 octet           (([01]?{digit}?{digit})|((2([0-4]{digit}))|(25[0-5])))
  53 addr4           {octet}\.{octet}\.{octet}\.{octet}
  54 hex             [0-9a-fA-F]
  55 word6           {hex}{0,4}
  56 base64          [A-Za-z0-9+/=]
  57 addr6           (::({word6}|{addr4})?|({word6}:)+:?({word6}|{addr4})?)
  58 %%
  59 \{              { return OBRACE; }
  60 \}              { return EBRACE; }
  61 :               { return COLON; }
  62 RSA             { return TAG_RSA; }
  63 PSK             { return TAG_PSK; }
  64 PUB             { return TAG_PUB; }
  65 0x[0-9a-fA-F]+  {
  66                         BIGNUM *bn = BN_new();
  67                         BN_hex2bn(&bn, prsatext+2);
  68                         prsalval.bn = bn;
  69                         return HEX;
  70                 }
  71 0s{base64}+     {
  72                         prsalval.chr = strdup(prsatext);
  73                         return BASE64;
  74                 }
  75 Modulus         { return MODULUS; }
  76 PublicExponent  { return PUBLIC_EXPONENT; }
  77 PrivateExponent { return PRIVATE_EXPONENT; }
  78 Prime1          { return PRIME1; }
  79 Prime2          { return PRIME2; }
  80 Exponent1       { return EXPONENT1; }
  81 Exponent2       { return EXPONENT2; }
  82 Coefficient     { return COEFFICIENT; }
  83 \/              { return SLASH; }
  84 {digit}+        { prsalval.num = atol(prsatext); return NUMBER; }
  85 any             { return ADDRANY; }
  86 {addr4}         { prsalval.chr = strdup(prsatext); return ADDR4; }
  87 {addr6}         { prsalval.chr = strdup(prsatext); return ADDR6; }
  88 [ \t]*          ;
  89 \n              { prsa_cur_lineno++; }
  90 \#.*            ;
  91 %%