3 /* Id: prsa_tok.l,v 1.2 2004/07/12 20:43:51 ludvigm Exp */
7 * Copyright (C) 2004 SuSE Linux AG, Nuernberg, Germany.
8 * Contributed by: Michal Ludvig <mludvig@suse.cz>, SUSE Labs
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36 /* This file contains a tokeniser for FreeS/WAN-style ipsec.secrets RSA keys. */
39 #include <openssl/bn.h>
40 #include <openssl/rsa.h>
43 extern int prsalex (void);
44 extern int prsa_cur_lineno;
50 octet (([01]?{digit}?{digit})|((2([0-4]{digit}))|(25[0-5])))
51 addr4 {octet}\.{octet}\.{octet}\.{octet}
55 addr6 (::({word6}|{addr4})?|({word6}:)+:?({word6}|{addr4})?)
60 RSA { return TAG_RSA; }
61 PSK { return TAG_PSK; }
62 PUB { return TAG_PUB; }
64 BIGNUM *bn = BN_new();
65 BN_hex2bn(&bn, prsatext+2);
70 prsalval.chr = strdup(prsatext);
73 Modulus { return MODULUS; }
74 PublicExponent { return PUBLIC_EXPONENT; }
75 PrivateExponent { return PRIVATE_EXPONENT; }
76 Prime1 { return PRIME1; }
77 Prime2 { return PRIME2; }
78 Exponent1 { return EXPONENT1; }
79 Exponent2 { return EXPONENT2; }
80 Coefficient { return COEFFICIENT; }
82 {digit}+ { prsalval.num = atol(prsatext); return NUMBER; }
83 any { return ADDRANY; }
84 {addr4} { prsalval.chr = strdup(prsatext); return ADDR4; }
85 {addr6} { prsalval.chr = strdup(prsatext); return ADDR6; }
87 \n { prsa_cur_lineno++; }