/* $FreeBSD$ */
/* $KAME: token.l,v 1.21 2001/05/18 05:35:01 sakane 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.
*/
%{
#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <net/route.h>
#include <net/pfkeyv2.h>
#include <netkey/keydb.h>
#include <netkey/key_debug.h>
#include <netinet/in.h>
#include <netinet6/ipsec.h>
#include <stdlib.h>
#include <limits.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include "vchar.h"
#ifdef __NetBSD__
#include "parse.h"
#else
#include "y.tab.h"
#endif
#define DECHO \
if (f_debug) {printf("<%d>", yy_start); ECHO ; printf("\n"); }
#define CMDARG \
{ \
char *__buf__ = strdup(yytext), *__p__; \
for (__p__ = __buf__; *__p__ != NULL; __p__++) \
if (*__p__ == '\n' || *__p__ == '\t') \
*__p__ = ' '; \
strcat(cmdarg, __buf__); \
free(__buf__); \
}
#define PREPROC DECHO CMDARG
int lineno = 1;
char cmdarg[8192]; /* XXX: BUFSIZ is the better ? */
extern u_char m_buf[BUFSIZ];
extern u_int m_len;
extern int f_debug;
int yylex __P((void));
void yyfatal __P((const char *s));
void yyerror __P((const char *s));
extern void parse_init __P((void));
int parse __P((FILE **));
int yyparse __P((void));
%}
/* common section */
nl \n
ws [ \t]+
digit [0-9]
letter [0-9A-Za-z]
hexdigit [0-9A-Fa-f]
/*octet (([01]?{digit}?{digit})|((2([0-4]{digit}))|(25[0-5])))*/
special [()+\|\?\*,]
dot \.
comma \,
hyphen \-
colon \:
slash \/
bcl \{
ecl \}
blcl \[
elcl \]
percent \%
semi \;
usec {dot}{digit}{1,6}
comment \#.*
ccomment "/*"
bracketstring \<[^>]*\>
quotedstring \"[^"]*\"
decstring {digit}+
hexpair {hexdigit}{hexdigit}
hexstring 0[xX]{hexdigit}+
octetstring {octet}({dot}{octet})+
ipaddress [a-fA-F0-9:]([a-fA-F0-9:\.]*|[a-fA-F0-9:\.]*%[a-zA-Z0-9]*)
ipaddrmask {slash}{digit}{1,3}
ipaddrport {blcl}{decstring}{elcl}
keyword {letter}{letter}+
name {letter}(({letter}|{digit}|{hyphen})*({letter}|{digit}))*
hostname {name}(({dot}{name})+{dot}?)?
%s S_PL
%%
add { PREPROC; return(ADD); }
delete { PREPROC; return(DELETE); }
deleteall { PREPROC; return(DELETEALL); }
get { PREPROC; return(GET); }
flush { PREPROC; return(FLUSH); }
dump { PREPROC; return(DUMP); }
/* for management SPD */
spdadd { PREPROC; return(SPDADD); }
spddelete { PREPROC; return(SPDDELETE); }
spddump { PREPROC; return(SPDDUMP); }
spdflush { PREPROC; return(SPDFLUSH); }
{hyphen}P { BEGIN S_PL; PREPROC; 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 != NULL; p++)
if (*p == '\n')
lineno++;
}
yylval.val.len = strlen(yytext);
yylval.val.buf = strdup(yytext);
return(PL_REQUESTS);
}
<S_PL>{semi} { PREPROC; BEGIN INITIAL; return(EOT); }
/* security protocols */
ah { PREPROC; yylval.num = 0; return(PR_AH); }
esp { PREPROC; yylval.num = 0; return(PR_ESP); }
ah-old { PREPROC; yylval.num = 1; return(PR_AH); }
esp-old { PREPROC; yylval.num = 1; return(PR_ESP); }
ipcomp { PREPROC; yylval.num = 0; return(PR_IPCOMP); }
/* authentication alogorithm */
{hyphen}A { PREPROC; return(F_AUTH); }
hmac-md5 { PREPROC; yylval.num = SADB_AALG_MD5HMAC; return(ALG_AUTH); }
hmac-sha1 { PREPROC; yylval.num = SADB_AALG_SHA1HMAC; return(ALG_AUTH); }
keyed-md5 { PREPROC; yylval.num = SADB_X_AALG_MD5; return(ALG_AUTH); }
keyed-sha1 { PREPROC; yylval.num = SADB_X_AALG_SHA; return(ALG_AUTH); }
hmac-sha2-256 { PREPROC; yylval.num = SADB_X_AALG_SHA2_256; return(ALG_AUTH); }
hmac-sha2-384 { PREPROC; yylval.num = SADB_X_AALG_SHA2_384; return(ALG_AUTH); }
hmac-sha2-512 { PREPROC; yylval.num = SADB_X_AALG_SHA2_512; return(ALG_AUTH); }
null { PREPROC; yylval.num = SADB_X_AALG_NULL; return(ALG_AUTH); }
/* encryption alogorithm */
{hyphen}E { PREPROC; return(F_ENC); }
des-cbc { PREPROC; yylval.num = SADB_EALG_DESCBC; return(ALG_ENC); }
3des-cbc { PREPROC; yylval.num = SADB_EALG_3DESCBC; return(ALG_ENC); }
simple { PREPROC; yylval.num = SADB_EALG_NULL; return(ALG_ENC); }
blowfish-cbc { PREPROC; yylval.num = SADB_X_EALG_BLOWFISHCBC; return(ALG_ENC); }
cast128-cbc { PREPROC; yylval.num = SADB_X_EALG_CAST128CBC; return(ALG_ENC); }
des-deriv { PREPROC; yylval.num = SADB_EALG_DESCBC; return(ALG_ENC_DESDERIV); }
des-32iv { PREPROC; yylval.num = SADB_EALG_DESCBC; return(ALG_ENC_DES32IV); }
rijndael-cbc { PREPROC; yylval.num = SADB_X_EALG_RIJNDAELCBC; return(ALG_ENC); }
/* compression algorithms */
{hyphen}C { PREPROC; return(F_COMP); }
oui { PREPROC; yylval.num = SADB_X_CALG_OUI; return(ALG_COMP); }
deflate { PREPROC; yylval.num = SADB_X_CALG_DEFLATE; return(ALG_COMP); }
lzs { PREPROC; yylval.num = SADB_X_CALG_LZS; return(ALG_COMP); }
{hyphen}R { PREPROC; return(F_RAWCPI); }
/* extension */
{hyphen}m { PREPROC; return(F_MODE); }
transport { PREPROC; yylval.num = IPSEC_MODE_TRANSPORT; return(MODE); }
tunnel { PREPROC; yylval.num = IPSEC_MODE_TUNNEL; return(MODE); }
{hyphen}u { PREPROC; return(F_REQID); }
{hyphen}f { PREPROC; return(F_EXT); }
random-pad { PREPROC; yylval.num = SADB_X_EXT_PRAND; return(EXTENSION); }
seq-pad { PREPROC; yylval.num = SADB_X_EXT_PSEQ; return(EXTENSION); }
zero-pad { PREPROC; yylval.num = SADB_X_EXT_PZERO; return(EXTENSION); }
nocyclic-seq { PREPROC; return(NOCYCLICSEQ); }
{hyphen}r { PREPROC; return(F_REPLAY); }
{hyphen}lh { PREPROC; return(F_LIFETIME_HARD); }
{hyphen}ls { PREPROC; return(F_LIFETIME_SOFT); }
/* ... */
any { PREPROC; return(ANY); }
{ws} { PREPROC; }
{nl} { lineno++; }
{comment}
{semi} { PREPROC; return(EOT); }
/* parameter */
{decstring} {
char *bp;
PREPROC;
yylval.num = strtoul(yytext, &bp, 10);
return(DECSTRING);
}
{ipaddress} {
PREPROC;
yylval.val.len = yyleng;
yylval.val.buf = strdup(yytext);
return(ADDRESS);
}
{ipaddrmask} {
PREPROC;
yytext++;
yylval.num = atoi(yytext);
return(PREFIX);
}
{ipaddrport} {
char *p = yytext;
PREPROC;
while (*++p != ']') ;
*p = NULL;
yytext++;
yylval.num = atoi(yytext);
return(PORT);
}
{blcl}any{elcl} {
PREPROC;
return(PORTANY);
}
{hexstring} {
int len = yyleng - 2; /* (str - "0x") */
PREPROC;
yylval.val.len = (len & 1) + (len / 2);
/* fixed string if length is odd. */
if (len & 1) {
yytext[1] = '0';
yylval.val.buf = strdup(yytext + 1);
} else
yylval.val.buf = strdup(yytext + 2);
return(HEXSTRING);
}
{quotedstring} {
char *p = yytext;
PREPROC;
while (*++p != '"') ;
*p = NULL;
yytext++;
yylval.val.len = yyleng - 2;
yylval.val.buf = strdup(yytext);
return(QUOTEDSTRING);
}
[a-z0-9.\-]* {
yylval.val.len = yyleng;
yylval.val.buf = strdup(yytext);
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);
}
