freebsd-skq/usr.sbin/rrenumd/lexer.l
kris 66c44f6a43 Sync with latest KAME.
Obtained from:	KAME
2000-07-05 11:12:53 +00:00

265 lines
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/* $KAME$ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 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.
*
* $FreeBSD$
*/
%{
#include <sys/param.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <string.h>
#include <net/if.h>
#if defined(__FreeBSD__) && __FreeBSD__ >= 3
#include <net/if_var.h>
#endif /* __FreeBSD__ >= 3 */
#include <netinet/in.h>
#include <netinet/in_var.h>
#include <netinet/icmp6.h>
#include <arpa/inet.h>
#include "y.tab.h"
int lineno = 1;
#define LINEBUF_SIZE 1000
char linebuf[LINEBUF_SIZE];
%}
/* common section */
nl \n
ws [ \t]+
digit [0-9]
letter [0-9A-Za-z]
hexdigit [0-9A-Fa-f]
special [()+\|\?\*,]
dot \.
hyphen \-
colon \:
slash \/
bcl \{
ecl \}
semi \;
usec {dot}{digit}{1,6}
comment \#.*
qstring \"[^"]*\"
decstring {digit}+
hexpair {hexdigit}{hexdigit}
hexstring 0[xX]{hexdigit}+
octetstring {octet}({dot}{octet})+
ipv4addr {digit}{1,3}({dot}{digit}{1,3}){0,3}
ipv6addr {hexdigit}{0,4}({colon}{hexdigit}{0,4}){2,7}
ipaddrmask {slash}{digit}{1,3}
keyword {letter}{letter}+
name {letter}(({letter}|{digit}|{hyphen})*({letter}|{digit}))*
hostname {name}(({dot}{name})+{dot}?)?
timeval {digit}{0,2}
days d{timeval}
hours h{timeval}
minutes m{timeval}
seconds s{timeval}
mprefix match_prefix|match-prefix
uprefix use_prefix|use-prefix
%%
/* rrenumd keywords */
debug {
return(DEBUG_CMD);
}
dest {
return(DEST_CMD);
}
retry {
return(RETRY_CMD);
}
seqnum {
return(SEQNUM_CMD);
}
add {
yylval.num = RPM_PCO_ADD;
return(ADD);
}
change {
yylval.num = RPM_PCO_CHANGE;
return(CHANGE);
}
setglobal {
yylval.num = RPM_PCO_SETGLOBAL;
return(SETGLOBAL);
}
{mprefix} {
return(MATCH_PREFIX_CMD);
}
maxlen {
return(MAXLEN_CMD);
}
minlen {
return(MINLEN_CMD);
}
{uprefix} {
return(USE_PREFIX_CMD);
}
keeplen {
return(KEEPLEN_CMD);
}
vltime {
return(VLTIME_CMD);
}
pltime {
return(PLTIME_CMD);
}
raf_onlink {
return(RAF_ONLINK_CMD);
}
raf_auto {
return(RAF_AUTO_CMD);
}
rrf_decrvalid {
return(RAF_DECRVALID_CMD);
}
rrf_decrprefd {
return(RAF_DECRPREFD_CMD);
}
{days} {
yytext++;
yylval.num = atoi(yytext);
return(DAYS);
}
{hours} {
yytext++;
yylval.num = atoi(yytext);
return(HOURS);
}
{minutes} {
yytext++;
yylval.num = atoi(yytext);
return(MINUTES);
}
{seconds} {
yytext++;
yylval.num = atoi(yytext);
return(SECONDS);
}
infinity {
return(INFINITY);
}
on {
yylval.num = 1;
return(ON);
}
off {
yylval.num = 0;
return(OFF);
}
/* basic rules */
{ws} ;
{nl} {
lineno++;
}
{semi} {
return EOS;
}
{bcl} {
return BCL;
}
{ecl} {
return ECL;
}
{qstring} {
yylval.cs.cp = yytext;
yylval.cs.len = yyleng;
return QSTRING;
}
{decstring} {
yylval.cs.cp = yytext;
yylval.cs.len = yyleng;
return DECSTRING;
}
{name} {
yylval.cs.cp = yytext;
yylval.cs.len = yyleng;
return NAME;
}
{ipv4addr} {
memset(&yylval.addr4, 0, sizeof(struct in_addr));
if (inet_pton(AF_INET, yytext,
&yylval.addr4) == 1) {
return IPV4ADDR;
} else {
return ERROR;
}
}
{ipv6addr} {
memset(&yylval.addr6, 0, sizeof(struct in6_addr));
if (inet_pton(AF_INET6, yytext,
&yylval.addr6) == 1) {
return IPV6ADDR;
} else {
return ERROR;
}
}
{ipaddrmask} {
yytext++;
yylval.num = atoi(yytext);
return(PREFIXLEN);
}
{hostname} {
yylval.cs.cp = yytext;
yylval.cs.len = yyleng;
return HOSTNAME;
}
%%
int parse(FILE **fp)
{
yyin = *fp;
if(yyparse())
return(-1);
return(0);
}
void
yyerror(const char *s)
{
printf("%s: at %s in line %d\n", s, yytext, lineno);
}