/* $NetBSD: policy_token.l,v 1.6.6.1 2007/08/01 11:52:19 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 #include #include #include #include #include PATH_IPSEC_H #include #include #include #include #include #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; }