[apple/ipsec.git] / ipsec-tools / libipsec / policy_token.l

/* $Id: policy_token.l,v 1.10.4.1 2005/05/07 14:30:38 manubsd Exp $ */

/*
 * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the project nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

%{
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <net/pfkeyv2.h>
#include <netinet/in.h>
#ifdef HAVE_NETINET6_IPSEC
#  include <netinet6/ipsec.h>
#else
#  include <netinet/ipsec.h>
#endif

#include <stdlib.h>
#include <limits.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>

#include "libpfkey.h"

#include "y.tab.h"
#define yylval __libipseclval	/* XXX */

int yylex (void);
%}

%option noyywrap
%option nounput

/* common section */
nl		\n
ws		[ \t]+
digit		[0-9]
hexdigit	[0-9A-Fa-f]
special		[()+\|\?\*,]
dot		\.
comma		\,
hyphen		\-
colon		\:
slash		\/
bcl		\{
ecl		\}
blcl		\[
elcl		\]
percent		\%
semi		\;
plus	\+
usec		{dot}{digit}{1,6}
comment		\#.*
ccomment	"/*"
bracketstring	\<[^>]*\>
quotedstring	\"[^"]*\"
decstring	{digit}+
hexpair		{hexdigit}{hexdigit}
hexstring	0[xX]{hexdigit}+
octetstring	{octet}({dot}{octet})+
ipaddress	[a-zA-Z0-9:\._][a-zA-Z0-9:\._]*(%[a-zA-Z0-9]+)?

%%

in		{ yylval.num = IPSEC_DIR_INBOUND; return(DIR); }
out		{ yylval.num = IPSEC_DIR_OUTBOUND; return(DIR); }
fwd		{ 
#ifdef HAVE_POLICY_FWD
		  yylval.num = IPSEC_DIR_FWD; return(DIR); 
#else
		  yylval.num = IPSEC_DIR_INBOUND; return(DIR); 
#endif
		}

priority	{ return(PRIORITY); }
prio	{ return(PRIORITY); }
low	{ yylval.num32 = PRIORITY_LOW; return(PRIO_BASE); }
def { yylval.num32 = PRIORITY_DEFAULT; return(PRIO_BASE); }
high	{ yylval.num32 = PRIORITY_HIGH; return(PRIO_BASE); }
{plus}	{ return(PLUS); }
{decstring}	{
			yylval.val.len = strlen(yytext);
			yylval.val.buf = yytext;
			return(PRIO_OFFSET);
}

discard		{ yylval.num = IPSEC_POLICY_DISCARD; return(ACTION); }
generate	{ yylval.num = IPSEC_POLICY_GENERATE; return(ACTION); }
none		{ yylval.num = IPSEC_POLICY_NONE; return(ACTION); }
ipsec		{ yylval.num = IPSEC_POLICY_IPSEC; return(ACTION); }
bypass		{ yylval.num = IPSEC_POLICY_BYPASS; return(ACTION); }
entrust		{ yylval.num = IPSEC_POLICY_ENTRUST; return(ACTION); }

esp		{ yylval.num = IPPROTO_ESP; return(PROTOCOL); }
ah		{ yylval.num = IPPROTO_AH; return(PROTOCOL); }
ipcomp		{ yylval.num = IPPROTO_IPCOMP; return(PROTOCOL); }

transport	{ yylval.num = IPSEC_MODE_TRANSPORT; return(MODE); }
tunnel		{ yylval.num = IPSEC_MODE_TUNNEL; return(MODE); } 

me		{ return(ME); }
any		{ return(ANY); }

default		{ yylval.num = IPSEC_LEVEL_DEFAULT; return(LEVEL); }
use		{ yylval.num = IPSEC_LEVEL_USE; return(LEVEL); }
require		{ yylval.num = IPSEC_LEVEL_REQUIRE; return(LEVEL); }
unique{colon}{decstring} {
			yylval.val.len = strlen(yytext + 7);
			yylval.val.buf = yytext + 7;
			return(LEVEL_SPECIFY);
		}
unique		{ yylval.num = IPSEC_LEVEL_UNIQUE; return(LEVEL); }
{slash}		{ return(SLASH); }

{ipaddress}	{
			yylval.val.len = strlen(yytext);
			yylval.val.buf = yytext;
			return(IPADDRESS);
		}

{hyphen}	{ return(HYPHEN); }

{blcl}{decstring}{elcl} {
			/* Remove leading '[' and trailing ']' */
			yylval.val.buf = yytext + 1;
			yylval.val.len = strlen(yytext) - 2;

			return(PORT);
		}

{ws}		{ ; }
{nl}		{ ; }

%%

void __policy__strbuffer__init__ (char *);
void __policy__strbuffer__free__ (void);

static YY_BUFFER_STATE strbuffer;

void
__policy__strbuffer__init__(msg)
	char *msg;
{
	if (YY_CURRENT_BUFFER)
		yy_delete_buffer(YY_CURRENT_BUFFER);
	strbuffer = (YY_BUFFER_STATE)yy_scan_string(msg);
	yy_switch_to_buffer(strbuffer);

	return;
}

void
__policy__strbuffer__free__()
{
	yy_delete_buffer(strbuffer);

	return;
}
Commit	Line	Data
52b7d2ce A	1	/* $Id: policy_token.l,v 1.10.4.1 2005/05/07 14:30:38 manubsd Exp $ */
	2
	3	/*
	4	* Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
	5	* All rights reserved.
	6	*
	7	* Redistribution and use in source and binary forms, with or without
	8	* modification, are permitted provided that the following conditions
	9	* are met:
	10	* 1. Redistributions of source code must retain the above copyright
	11	* notice, this list of conditions and the following disclaimer.
	12	* 2. Redistributions in binary form must reproduce the above copyright
	13	* notice, this list of conditions and the following disclaimer in the
	14	* documentation and/or other materials provided with the distribution.
	15	* 3. Neither the name of the project nor the names of its contributors
	16	* may be used to endorse or promote products derived from this software
	17	* without specific prior written permission.
	18	*
	19	* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
	20	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	21	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	22	* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
	23	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	24	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	25	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	26	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	27	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	28	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	29	* SUCH DAMAGE.
	30	*/
	31
	32	%{
	33	#ifdef HAVE_CONFIG_H
	34	#include "config.h"
	35	#endif
	36
	37	#include <sys/types.h>
	38	#include <sys/param.h>
	39	#include <sys/socket.h>
65c25746	40	#include <net/pfkeyv2.h>
52b7d2ce A	41	#include <netinet/in.h>
	42	#ifdef HAVE_NETINET6_IPSEC
	43	# include <netinet6/ipsec.h>
	44	#else
	45	# include <netinet/ipsec.h>
	46	#endif
	47
	48	#include <stdlib.h>
	49	#include <limits.h>
	50	#include <string.h>
	51	#include <unistd.h>
	52	#include <errno.h>
	53
	54	#include "libpfkey.h"
	55
52b7d2ce	56	#include "y.tab.h"
52b7d2ce A	57	#define yylval __libipseclval /* XXX */
52b7d2ce A	58
65c25746	59	int yylex (void);
52b7d2ce A	60	%}
	61
	62	%option noyywrap
	63	%option nounput
	64
	65	/* common section */
	66	nl \n
	67	ws [ \t]+
	68	digit [0-9]
	69	hexdigit [0-9A-Fa-f]
	70	special [()+\\|\?\*,]
	71	dot \.
	72	comma \,
	73	hyphen \-
	74	colon \:
	75	slash \/
	76	bcl \{
	77	ecl \}
	78	blcl \[
	79	elcl \]
	80	percent \%
	81	semi \;
	82	plus \+
	83	usec {dot}{digit}{1,6}
	84	comment \#.*
	85	ccomment "/*"
	86	bracketstring \<[^>]*\>
	87	quotedstring \"[^"]*\"
	88	decstring {digit}+
	89	hexpair {hexdigit}{hexdigit}
	90	hexstring 0[xX]{hexdigit}+
	91	octetstring {octet}({dot}{octet})+
	92	ipaddress [a-zA-Z0-9:\._][a-zA-Z0-9:\._]*(%[a-zA-Z0-9]+)?
	93
	94	%%
	95
	96	in { yylval.num = IPSEC_DIR_INBOUND; return(DIR); }
	97	out { yylval.num = IPSEC_DIR_OUTBOUND; return(DIR); }
	98	fwd {
	99	#ifdef HAVE_POLICY_FWD
	100	yylval.num = IPSEC_DIR_FWD; return(DIR);
	101	#else
	102	yylval.num = IPSEC_DIR_INBOUND; return(DIR);
	103	#endif
	104	}
	105
	106	priority { return(PRIORITY); }
	107	prio { return(PRIORITY); }
	108	low { yylval.num32 = PRIORITY_LOW; return(PRIO_BASE); }
	109	def { yylval.num32 = PRIORITY_DEFAULT; return(PRIO_BASE); }
	110	high { yylval.num32 = PRIORITY_HIGH; return(PRIO_BASE); }
	111	{plus} { return(PLUS); }
	112	{decstring} {
	113	yylval.val.len = strlen(yytext);
	114	yylval.val.buf = yytext;
	115	return(PRIO_OFFSET);
	116	}
	117
	118	discard { yylval.num = IPSEC_POLICY_DISCARD; return(ACTION); }
	119	generate { yylval.num = IPSEC_POLICY_GENERATE; return(ACTION); }
	120	none { yylval.num = IPSEC_POLICY_NONE; return(ACTION); }
	121	ipsec { yylval.num = IPSEC_POLICY_IPSEC; return(ACTION); }
	122	bypass { yylval.num = IPSEC_POLICY_BYPASS; return(ACTION); }
	123	entrust { yylval.num = IPSEC_POLICY_ENTRUST; return(ACTION); }
124
125	esp { yylval.num = IPPROTO_ESP; return(PROTOCOL); }
126	ah { yylval.num = IPPROTO_AH; return(PROTOCOL); }
127	ipcomp { yylval.num = IPPROTO_IPCOMP; return(PROTOCOL); }
128
129	transport { yylval.num = IPSEC_MODE_TRANSPORT; return(MODE); }
130	tunnel { yylval.num = IPSEC_MODE_TUNNEL; return(MODE); }
131
132	me { return(ME); }
133	any { return(ANY); }
134
135	default { yylval.num = IPSEC_LEVEL_DEFAULT; return(LEVEL); }
136	use { yylval.num = IPSEC_LEVEL_USE; return(LEVEL); }
137	require { yylval.num = IPSEC_LEVEL_REQUIRE; return(LEVEL); }
138	unique{colon}{decstring} {
139	yylval.val.len = strlen(yytext + 7);
140	yylval.val.buf = yytext + 7;
141	return(LEVEL_SPECIFY);
142	}
143	unique { yylval.num = IPSEC_LEVEL_UNIQUE; return(LEVEL); }
144	{slash} { return(SLASH); }
145
146	{ipaddress} {
147	yylval.val.len = strlen(yytext);
148	yylval.val.buf = yytext;
149	return(IPADDRESS);
150	}
151
152	{hyphen} { return(HYPHEN); }
153
154	{blcl}{decstring}{elcl} {
155	/* Remove leading '[' and trailing ']' */
156	yylval.val.buf = yytext + 1;
157	yylval.val.len = strlen(yytext) - 2;
158
159	return(PORT);
160	}
161
162	{ws} { ; }
163	{nl} { ; }
164
165	%%
166
65c25746 A	167	void __policy__strbuffer__init__ (char *);
65c25746 A	168	void __policy__strbuffer__free__ (void);
52b7d2ce A	169
	170	static YY_BUFFER_STATE strbuffer;
	171
	172	void
	173	__policy__strbuffer__init__(msg)
	174	char *msg;
	175	{
	176	if (YY_CURRENT_BUFFER)
	177	yy_delete_buffer(YY_CURRENT_BUFFER);
	178	strbuffer = (YY_BUFFER_STATE)yy_scan_string(msg);
	179	yy_switch_to_buffer(strbuffer);
	180
	181	return;
	182	}
	183
	184	void
	185	__policy__strbuffer__free__()
	186	{
	187	yy_delete_buffer(strbuffer);
	188
	189	return;
	190	}