policy_token.l revision 58913 
1/*
2 * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the project nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $FreeBSD: head/lib/libipsec/policy_token.l 58913 2000-04-02 05:08:07Z shin $
30 */
31
32%{
33#include <sys/types.h>
34#include <sys/param.h>
35#include <sys/socket.h>
36#include <net/route.h>
37#include <net/pfkeyv2.h>
38#include <netkey/keydb.h>
39#include <netkey/key_debug.h>
40#include <netinet/in.h>
41#include <netinet6/ipsec.h>
42
43#include <stdlib.h>
44#include <limits.h>
45#include <string.h>
46#include <unistd.h>
47#include <errno.h>
48
49#include "y.tab.h"
50#define	yylval __libipsecyylval	/* XXX */
51%}
52
53%option noyywrap
54
55/* common section */
56nl		\n
57ws		[ \t]+
58digit		[0-9]
59letter		[0-9A-Za-z]
60hexdigit	[0-9A-Fa-f]
61special		[()+\|\?\*,]
62dot		\.
63comma		\,
64hyphen		\-
65colon		\:
66slash		\/
67bcl		\{
68ecl		\}
69blcl		\[
70elcl		\]
71percent		\%
72semi		\;
73usec		{dot}{digit}{1,6}
74comment		\#.*
75ccomment	"/*"
76bracketstring	\<[^>]*\>
77quotedstring	\"[^"]*\"
78decstring	{digit}+
79hexpair		{hexdigit}{hexdigit}
80hexstring	0[xX]{hexdigit}+
81octetstring	{octet}({dot}{octet})+
82ipaddress	[a-zA-Z0-9:\._][a-zA-Z0-9:\._]*(%{letter}{letter}+)?
83name		{letter}(({letter}|{digit}|{hyphen})*({letter}|{digit}))*
84hostname	{name}(({dot}{name})+{dot}?)?
85
86%%
87
88in		{ yylval.num = IPSEC_DIR_INBOUND; return(DIR); }
89out		{ yylval.num = IPSEC_DIR_OUTBOUND; return(DIR); }
90
91discard		{ yylval.num = IPSEC_POLICY_DISCARD; return(ACTION); }
92none		{ yylval.num = IPSEC_POLICY_NONE; return(ACTION); }
93ipsec		{ yylval.num = IPSEC_POLICY_IPSEC; return(ACTION); }
94bypass		{ yylval.num = IPSEC_POLICY_BYPASS; return(ACTION); }
95entrust		{ yylval.num = IPSEC_POLICY_ENTRUST; return(ACTION); }
96
97esp		{ yylval.num = IPPROTO_ESP; return(PROTOCOL); }
98ah		{ yylval.num = IPPROTO_AH; return(PROTOCOL); }
99ipcomp		{ yylval.num = IPPROTO_IPCOMP; return(PROTOCOL); }
100
101transport	{ yylval.num = IPSEC_MODE_TRANSPORT; return(MODE); }
102tunnel		{ yylval.num = IPSEC_MODE_TUNNEL; return(MODE); }
103
104me		{ return(ME); }
105any		{ return(ANY); }
106
107default		{ yylval.num = IPSEC_LEVEL_DEFAULT; return(LEVEL); }
108use		{ yylval.num = IPSEC_LEVEL_USE; return(LEVEL); }
109require		{ yylval.num = IPSEC_LEVEL_REQUIRE; return(LEVEL); }
110unique		{ yylval.num = IPSEC_LEVEL_UNIQUE; return(LEVEL); }
111{slash}		{ return(SLASH); }
112
113{ipaddress}	{
114			yylval.val.len = strlen(yytext);
115			yylval.val.buf = strdup(yytext);
116			return(IPADDRESS);
117		}
118
119{hyphen}	{ return(HYPHEN); }
120
121{ws}		{ ; }
122{nl}		{ ; }
123
124%%
125
126void
127__policy__strbuffer__init__(msg)
128	char *msg;
129{
130	YY_BUFFER_STATE yyb;
131
132	yyb = (YY_BUFFER_STATE)yy_scan_string(msg);
133	yy_switch_to_buffer(yyb);
134
135	return;
136}
137
138