1/*	$FreeBSD$	*/
2/*	$KAME: policy_token.l,v 1.13 2003/05/09 05:19:55 sakane Exp $	*/
3
4/*
5 * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the project nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33%{
34#include <sys/types.h>
35#include <sys/param.h>
36#include <sys/socket.h>
37#include <net/route.h>
38#include <net/pfkeyv2.h>
39#include <netipsec/keydb.h>
40#include <netinet/in.h>
41#include <netipsec/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
52int yylex(void);
53%}
54
55%option noyywrap
56%option nounput
57%option noinput
58
59/* common section */
60nl		\n
61ws		[ \t]+
62digit		[0-9]
63hexdigit	[0-9A-Fa-f]
64special		[()+\|\?\*,]
65dot		\.
66comma		\,
67hyphen		\-
68colon		\:
69slash		\/
70bcl		\{
71ecl		\}
72blcl		\[
73elcl		\]
74percent		\%
75semi		\;
76usec		{dot}{digit}{1,6}
77comment		\#.*
78ccomment	"/*"
79bracketstring	\<[^>]*\>
80quotedstring	\"[^"]*\"
81decstring	{digit}+
82hexpair		{hexdigit}{hexdigit}
83hexstring	0[xX]{hexdigit}+
84octetstring	{octet}({dot}{octet})+
85ipaddress	[a-zA-Z0-9:\._][a-zA-Z0-9:\._]*(%[a-zA-Z0-9]+)?
86
87%%
88
89in		{ yylval.num = IPSEC_DIR_INBOUND; return(DIR); }
90out		{ yylval.num = IPSEC_DIR_OUTBOUND; return(DIR); }
91
92discard		{ yylval.num = IPSEC_POLICY_DISCARD; return(ACTION); }
93none		{ yylval.num = IPSEC_POLICY_NONE; return(ACTION); }
94ipsec		{ yylval.num = IPSEC_POLICY_IPSEC; return(ACTION); }
95bypass		{ yylval.num = IPSEC_POLICY_BYPASS; return(ACTION); }
96entrust		{ yylval.num = IPSEC_POLICY_ENTRUST; return(ACTION); }
97
98esp		{ yylval.num = IPPROTO_ESP; return(PROTOCOL); }
99ah		{ yylval.num = IPPROTO_AH; return(PROTOCOL); }
100ipcomp		{ yylval.num = IPPROTO_IPCOMP; return(PROTOCOL); }
101tcp		{ yylval.num = IPPROTO_TCP; return(PROTOCOL); }
102
103transport	{ yylval.num = IPSEC_MODE_TRANSPORT; return(MODE); }
104tunnel		{ yylval.num = IPSEC_MODE_TUNNEL; return(MODE); }
105
106me		{ return(ME); }
107any		{ return(ANY); }
108
109default		{ yylval.num = IPSEC_LEVEL_DEFAULT; return(LEVEL); }
110use		{ yylval.num = IPSEC_LEVEL_USE; return(LEVEL); }
111require		{ yylval.num = IPSEC_LEVEL_REQUIRE; return(LEVEL); }
112unique{colon}{decstring} {
113			yylval.val.len = strlen(yytext + 7);
114			yylval.val.buf = yytext + 7;
115			return(LEVEL_SPECIFY);
116		}
117unique		{ yylval.num = IPSEC_LEVEL_UNIQUE; return(LEVEL); }
118{slash}		{ return(SLASH); }
119
120{ipaddress}	{
121			yylval.val.len = strlen(yytext);
122			yylval.val.buf = yytext;
123			return(IPADDRESS);
124		}
125
126{hyphen}	{ return(HYPHEN); }
127
128{ws}		{ ; }
129{nl}		{ ; }
130
131%%
132
133void __policy__strbuffer__init__(char *);
134void __policy__strbuffer__free__(void);
135
136static YY_BUFFER_STATE strbuffer;
137
138void
139__policy__strbuffer__init__(msg)
140	char *msg;
141{
142	if (YY_CURRENT_BUFFER)
143		yy_delete_buffer(YY_CURRENT_BUFFER);
144	strbuffer = (YY_BUFFER_STATE)yy_scan_string(msg);
145	yy_switch_to_buffer(strbuffer);
146
147	return;
148}
149
150void
151__policy__strbuffer__free__()
152{
153	yy_delete_buffer(strbuffer);
154
155	return;
156}
157