mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-23 11:18:54 +00:00
3c62e87aa3
behavior change: policy syntax was changed. you may need to update your setkey(8) configuration files.
316 lines
8.2 KiB
Plaintext
316 lines
8.2 KiB
Plaintext
/* $FreeBSD$ */
|
|
/* $KAME: token.l,v 1.13 2000/06/07 00:29:14 itojun 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"
|
|
#include "y.tab.h"
|
|
|
|
#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); }
|
|
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_AALG_MD5; return(ALG_AUTH); }
|
|
keyed-sha1 { PREPROC; yylval.num = SADB_AALG_SHA; return(ALG_AUTH); }
|
|
null { PREPROC; yylval.num = SADB_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_EALG_BLOWFISHCBC; return(ALG_ENC); }
|
|
cast128-cbc { PREPROC; yylval.num = SADB_EALG_CAST128CBC; return(ALG_ENC); }
|
|
rc5-cbc { PREPROC; yylval.num = SADB_EALG_RC5CBC; 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); }
|
|
|
|
/* 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); }
|
|
|
|
|
|
/* upper layer protocols */
|
|
icmp { PREPROC; yylval.num = IPPROTO_ICMP; return(UP_PROTO); }
|
|
icmp6 { PREPROC; yylval.num = IPPROTO_ICMPV6; return(UP_PROTO); }
|
|
tcp { PREPROC; yylval.num = IPPROTO_TCP; return(UP_PROTO); }
|
|
udp { PREPROC; yylval.num = IPPROTO_UDP; return(UP_PROTO); }
|
|
|
|
/* ... */
|
|
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);
|
|
}
|
|
|
|
. {
|
|
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);
|
|
}
|