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📄 Makefile(2.33 KB)
📄 Makefile.depend(357 B)
📄 parse.y(27.55 KB)
📄 sample.cf(8.06 KB)
📄 scriptdump.pl(1.19 KB)
📄 setkey.8(15.15 KB)
📄 setkey.c(13.42 KB)
📄 test-pfkey.c(13.37 KB)
📄 test-policy.c(4.39 KB)
📄 token.l(7.59 KB)
📄 vchar.h(1.72 KB)

Editing: token.l

/*	$FreeBSD$	*/
/*	$KAME: token.l,v 1.43 2003/07/25 09:35:28 itojun Exp $	*/

/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * 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.
 */

%{
#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <net/route.h>
#include <net/pfkeyv2.h>
#include <netipsec/keydb.h>
#include <netipsec/key_debug.h>
#include <netinet/in.h>
#include <netipsec/ipsec.h>

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

#include "vchar.h"
#include "y.tab.h"

int lineno = 1;

extern u_char m_buf[BUFSIZ];
extern u_int m_len;
extern int f_debug;

int yylex(void);
void yyfatal(const char *s);
void yyerror(const char *s);
extern void parse_init(void);
int parse(FILE **);
int yyparse(void);
%}

%option noyywrap

/* common section */
nl		\n
ws		[ \t]+
digit		[0-9]
letter		[0-9A-Za-z]
hexdigit	[0-9A-Fa-f]
dot		\.
hyphen		\-
slash		\/
blcl		\[
elcl		\]
semi		\;
comment		\#.*
quotedstring	\"[^"]*\"
decstring	{digit}+
hexstring	0[xX]{hexdigit}+
ipaddress	[a-fA-F0-9:]([a-fA-F0-9:\.]*|[a-fA-F0-9:\.]*%[a-zA-Z0-9]*)
ipaddrmask	{slash}{digit}{1,3}
name		{letter}(({letter}|{digit}|{hyphen})*({letter}|{digit}))*
hostname	{name}(({dot}{name})+{dot}?)?

%s S_PL S_AUTHALG S_ENCALG

add		{ return(ADD); }
delete		{ return(DELETE); }
deleteall	{ return(DELETEALL); }
get		{ return(GET); }
flush		{ return(FLUSH); }
dump		{ return(DUMP); }

/* for management SPD */
spdadd		{ return(SPDADD); }
spddelete	{ return(SPDDELETE); }
spddump		{ return(SPDDUMP); }
spdflush	{ return(SPDFLUSH); }
tagged		{ return(TAGGED); }
{hyphen}P	{ BEGIN S_PL; return(F_POLICY); }
<S_PL>[a-zA-Z0-9:\.\-_/ \n\t][a-zA-Z0-9:\.%\-_/ \n\t]* {
			yymore();

/* count up for nl */
			    {
				char *p;
				for (p = yytext; *p != '\0'; p++)
					if (*p == '\n')
						lineno++;
			    }

yylval.val.len = strlen(yytext);
			yylval.val.buf = strdup(yytext);
			if (!yylval.val.buf)
				yyfatal("insufficient memory");

return(PL_REQUESTS);
		}
<S_PL>{semi}	{ BEGIN INITIAL; return(EOT); }

/* address resolution flags */
{hyphen}[n46][n46]*	{
			yylval.val.len = strlen(yytext);
			yylval.val.buf = strdup(yytext);
			if (!yylval.val.buf)
				yyfatal("insufficient memory");
			return(F_AIFLAGS);
		}

/* security protocols */
ah		{ yylval.num = 0; return(PR_AH); }
esp		{ yylval.num = 0; return(PR_ESP); }
ah-old		{ yylval.num = 1; return(PR_AH); }
esp-old		{ yylval.num = 1; return(PR_ESP); }
ipcomp		{ yylval.num = 0; return(PR_IPCOMP); }
tcp		{ yylval.num = 0; return(PR_TCP); }

/* authentication alogorithm */
{hyphen}A	{ BEGIN S_AUTHALG; return(F_AUTH); }
<S_AUTHALG>hmac-sha1	{ yylval.num = SADB_AALG_SHA1HMAC; BEGIN INITIAL; return(ALG_AUTH); }
<S_AUTHALG>hmac-sha2-256 { yylval.num = SADB_X_AALG_SHA2_256; BEGIN INITIAL; return(ALG_AUTH); }
<S_AUTHALG>hmac-sha2-384 { yylval.num = SADB_X_AALG_SHA2_384; BEGIN INITIAL; return(ALG_AUTH); }
<S_AUTHALG>hmac-sha2-512 { yylval.num = SADB_X_AALG_SHA2_512; BEGIN INITIAL; return(ALG_AUTH); }
<S_AUTHALG>aes-xcbc-mac { yylval.num = SADB_X_AALG_AES_XCBC_MAC; BEGIN INITIAL; return(ALG_AUTH); }
<S_AUTHALG>tcp-md5	{ yylval.num = SADB_X_AALG_TCP_MD5; BEGIN INITIAL; return(ALG_AUTH); }
<S_AUTHALG>null { yylval.num = SADB_X_AALG_NULL; BEGIN INITIAL; return(ALG_AUTH_NOKEY); }

/* encryption alogorithm */
{hyphen}E	{ BEGIN S_ENCALG; return(F_ENC); }
<S_ENCALG>null		{ yylval.num = SADB_EALG_NULL; BEGIN INITIAL; return(ALG_ENC); }
<S_ENCALG>simple	{ yylval.num = SADB_EALG_NULL; BEGIN INITIAL; return(ALG_ENC_OLD); }
<S_ENCALG>rijndael-cbc	{ yylval.num = SADB_X_EALG_AESCBC; BEGIN INITIAL; return(ALG_ENC); }
<S_ENCALG>aes-cbc	{ yylval.num = SADB_X_EALG_AESCBC; BEGIN INITIAL; return(ALG_ENC); }
<S_ENCALG>aes-ctr	{ yylval.num = SADB_X_EALG_AESCTR; BEGIN INITIAL; return(ALG_ENC_SALT); }
<S_ENCALG>aes-gcm-16	{ yylval.num = SADB_X_EALG_AESGCM16; BEGIN INITIAL; return(ALG_ENC_SALT); }

/* compression algorithms */
{hyphen}C	{ return(F_COMP); }
oui		{ yylval.num = SADB_X_CALG_OUI; return(ALG_COMP); }
deflate		{ yylval.num = SADB_X_CALG_DEFLATE; return(ALG_COMP); }
lzs		{ yylval.num = SADB_X_CALG_LZS; return(ALG_COMP); }
{hyphen}R	{ return(F_RAWCPI); }

/* extension */
{hyphen}m	{ return(F_MODE); }
transport	{ yylval.num = IPSEC_MODE_TRANSPORT; return(MODE); }
tunnel		{ yylval.num = IPSEC_MODE_TUNNEL; return(MODE); }
{hyphen}u	{ return(F_REQID); }
{hyphen}f	{ return(F_EXT); }
random-pad	{ yylval.num = SADB_X_EXT_PRAND; return(EXTENSION); }
seq-pad		{ yylval.num = SADB_X_EXT_PSEQ; return(EXTENSION); }
zero-pad	{ yylval.num = SADB_X_EXT_PZERO; return(EXTENSION); }
nocyclic-seq	{ return(NOCYCLICSEQ); }
{hyphen}r	{ return(F_REPLAY); }
{hyphen}lh	{ return(F_LIFETIME_HARD); }
{hyphen}ls	{ return(F_LIFETIME_SOFT); }

/* ... */
any		{ return(ANY); }
{ws}		{ }
{nl}		{ lineno++; }
{comment}
{semi}		{ return(EOT); }

/* for address parameters: /prefix, [port] */
{slash}		{ return SLASH; }
{blcl}		{ return BLCL; }
{elcl}		{ return ELCL; }

/* parameter */
{decstring}	{
			char *bp;

yylval.ulnum = strtoul(yytext, &bp, 10);
			return(DECSTRING);
		}

{hexstring}	{
			yylval.val.buf = strdup(yytext + 2);
			if (!yylval.val.buf)
				yyfatal("insufficient memory");
			yylval.val.len = strlen(yylval.val.buf);

return(HEXSTRING);
		}

{quotedstring}	{
			char *p = yytext;
			while (*++p != '"') ;
			*p = '\0';
			yytext++;
			yylval.val.len = yyleng - 2;
			yylval.val.buf = strdup(yytext);
			if (!yylval.val.buf)
				yyfatal("insufficient memory");

return(QUOTEDSTRING);
		}

[A-Za-z0-9:][A-Za-z0-9:%\.-]* {
			yylval.val.len = yyleng;
			yylval.val.buf = strdup(yytext);
			if (!yylval.val.buf)
				yyfatal("insufficient memory");
			return(STRING);
		}

[0-9,]+ {
			yylval.val.len = yyleng;
			yylval.val.buf = strdup(yytext);
			if (!yylval.val.buf)
				yyfatal("insufficient memory");
			return(STRING);
		}

.		{
			yyfatal("Syntax error");
			/*NOTREACHED*/
		}

void
yyfatal(s)
	const char *s;
{
	yyerror(s);
	exit(1);
}

void
yyerror(s)
	const char *s;
{
	printf("line %d: %s at [%s]\n", lineno, s, yytext);
}

int
parse(fp)
	FILE **fp;
{
	yyin = *fp;

parse_init();

if (yyparse()) {
		printf("parse failed, line %d.\n", lineno);
		return(-1);
	}

return(0);
}

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