1 /* $Id: policy_token.l,v 1.10 2004/11/14 20:15:43 monas Exp $ */
4 * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
37 #include <sys/types.h>
38 #include <sys/param.h>
39 #include <sys/socket.h>
40 #include <net/pfkeyv2.h>
41 #include <netinet/in.h>
42 #ifdef HAVE_NETINET6_IPSEC
43 # include <netinet6/ipsec.h>
45 # include <netinet/ipsec.h>
56 #if !defined(__NetBSD__) && !defined(__FreeBSD__) && !defined(__linux__)
59 #include "policy_parse.h"
61 #define yylval __libipseclval /* XXX */
63 int yylex __P((void));
87 usec {dot}{digit}{1,6}
90 bracketstring \<[^>]*\>
91 quotedstring \"[^"]*\"
93 hexpair {hexdigit}{hexdigit}
94 hexstring 0[xX]{hexdigit}+
95 octetstring {octet}({dot}{octet})+
96 ipaddress [a-zA-Z0-9:\._][a-zA-Z0-9:\._]*(%[a-zA-Z0-9]+)?
100 in { yylval.num = IPSEC_DIR_INBOUND; return(DIR); }
101 out { yylval.num = IPSEC_DIR_OUTBOUND; return(DIR); }
103 #ifdef HAVE_POLICY_FWD
104 yylval.num = IPSEC_DIR_FWD; return(DIR);
106 yylval.num = IPSEC_DIR_INBOUND; return(DIR);
110 priority { return(PRIORITY); }
111 prio { return(PRIORITY); }
112 low { yylval.num32 = PRIORITY_LOW; return(PRIO_BASE); }
113 def { yylval.num32 = PRIORITY_DEFAULT; return(PRIO_BASE); }
114 high { yylval.num32 = PRIORITY_HIGH; return(PRIO_BASE); }
115 {plus} { return(PLUS); }
117 yylval.val.len = strlen(yytext);
118 yylval.val.buf = yytext;
122 discard { yylval.num = IPSEC_POLICY_DISCARD; return(ACTION); }
123 none { yylval.num = IPSEC_POLICY_NONE; return(ACTION); }
124 ipsec { yylval.num = IPSEC_POLICY_IPSEC; return(ACTION); }
125 bypass { yylval.num = IPSEC_POLICY_BYPASS; return(ACTION); }
126 entrust { yylval.num = IPSEC_POLICY_ENTRUST; return(ACTION); }
128 esp { yylval.num = IPPROTO_ESP; return(PROTOCOL); }
129 ah { yylval.num = IPPROTO_AH; return(PROTOCOL); }
130 ipcomp { yylval.num = IPPROTO_IPCOMP; return(PROTOCOL); }
132 transport { yylval.num = IPSEC_MODE_TRANSPORT; return(MODE); }
133 tunnel { yylval.num = IPSEC_MODE_TUNNEL; return(MODE); }
138 default { yylval.num = IPSEC_LEVEL_DEFAULT; return(LEVEL); }
139 use { yylval.num = IPSEC_LEVEL_USE; return(LEVEL); }
140 require { yylval.num = IPSEC_LEVEL_REQUIRE; return(LEVEL); }
141 unique{colon}{decstring} {
142 yylval.val.len = strlen(yytext + 7);
143 yylval.val.buf = yytext + 7;
144 return(LEVEL_SPECIFY);
146 unique { yylval.num = IPSEC_LEVEL_UNIQUE; return(LEVEL); }
147 {slash} { return(SLASH); }
150 yylval.val.len = strlen(yytext);
151 yylval.val.buf = yytext;
155 {hyphen} { return(HYPHEN); }
162 void __policy__strbuffer__init__ __P((char *));
163 void __policy__strbuffer__free__ __P((void));
165 static YY_BUFFER_STATE strbuffer;
168 __policy__strbuffer__init__(msg)
171 if (YY_CURRENT_BUFFER)
172 yy_delete_buffer(YY_CURRENT_BUFFER);
173 strbuffer = (YY_BUFFER_STATE)yy_scan_string(msg);
174 yy_switch_to_buffer(strbuffer);
180 __policy__strbuffer__free__()
182 yy_delete_buffer(strbuffer);