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/* $NetBSD: policy_token.l,v 1.7 2007/07/18 12:07:50 vanhu Exp $ */
/* Id: policy_token.l,v 1.12 2005/05/05 12:32:18 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>
#include PATH_IPSEC_H
#include <stdlib.h>
#include <limits.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include "libpfkey.h"
#if !defined(__NetBSD__) && !defined(__FreeBSD__) && !defined(__linux__) && \
!defined(__APPLE__) && !defined(__MACH__)
#include "y.tab.h"
#else
#include "policy_parse.h"
#endif
#define yylval __libipseclval /* XXX */
int yylex __P((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); }
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__ __P((char *));
void __policy__strbuffer__free__ __P((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;
}
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