+++ /dev/null
-%{
-/* From NetBSD: scanner.l,v 1.2 1995/03/06 11:39:12 mycroft Exp */
-/* From Header: scanner.l,v 1.40 94/06/10 17:21:44 mccanne Exp (LBL) */
-
-/*
- * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that: (1) source code distributions
- * retain the above copyright notice and this paragraph in its entirety, (2)
- * distributions including binary code include the above copyright notice and
- * this paragraph in its entirety in the documentation or other materials
- * provided with the distribution, and (3) all advertising materials mentioning
- * features or use of this software display the following acknowledgement:
- * ``This product includes software developed by the University of California,
- * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
- * the University 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#ifndef lint
-static char rcsid[] = "$Id";
-#endif
-
-#include <sys/types.h>
-#include <sys/time.h>
-
-#include <ctype.h>
-
-#include <net/ppp_defs.h>
-#include "pcap.h"
-#include "pcap-namedb.h"
-
-#include "gencode.h"
-#include "y.tab.h"
-
-#ifndef __GNUC__
-#define inline
-#endif
-
-static int stoi(char *);
-static inline int xdtoi(int);
-
-#ifndef FLEX_SCANNER
-static char *in_buffer;
-
-#undef getc
-#define getc(fp) (*in_buffer == 0 ? EOF : *in_buffer++)
-#endif
-
-extern YYSTYPE yylval;
-
-%}
-
-N ([0-9]+|(0X|0x)[0-9A-Fa-f]+)
-B ([0-9A-Fa-f][0-9A-Fa-f]?)
-
-%a 3000
-
-%%
-dst return DST;
-src return SRC;
-
-link|ppp return LINK;
-ip return IP;
-tcp return TCP;
-udp return UDP;
-icmp return ICMP;
-
-host return HOST;
-net return NET;
-port return PORT;
-proto return PROTO;
-
-less return LESS;
-greater return GREATER;
-byte return BYTE;
-broadcast return TK_BROADCAST;
-multicast return TK_MULTICAST;
-
-and|"&&" return AND;
-or|"||" return OR;
-not return '!';
-
-len|length return LEN;
-inbound return INBOUND;
-outbound return OUTBOUND;
-
-[ \n\t] ;
-[+\-*/:\[\]!<>()&|=] return yytext[0];
-">=" return GEQ;
-"<=" return LEQ;
-"!=" return NEQ;
-"==" return '=';
-"<<" return LSH;
-">>" return RSH;
-{N} { yylval.i = stoi((char *)yytext); return NUM; }
-({N}\.{N})|({N}\.{N}\.{N})|({N}\.{N}\.{N}\.{N}) {
- yylval.s = sdup((char *)yytext); return HID;
-}
-[A-Za-z][-_.A-Za-z0-9]* { yylval.s = sdup((char *)yytext); return ID; }
-"\\"[^ !()\n\t]+ { yylval.s = sdup((char *)yytext + 1); return ID; }
-[^ \[\]\t\n\-_.A-Za-z0-9!<>()&|=]+ { bpf_error("illegal token: %s\n", yytext); }
-. { bpf_error("illegal char '%c'", *yytext); }
-%%
-void
-lex_init(buf)
- char *buf;
-{
-#ifdef FLEX_SCANNER
- if (yy_current_buffer)
- yy_delete_buffer(yy_current_buffer);
- yy_switch_to_buffer(yy_scan_string(buf));
-#else
- in_buffer = buf;
-#endif
-}
-
-/*
- * Also define a yywrap. Note that if we're using flex, it will
- * define a macro to map this identifier to pcap_wrap.
- */
-int
-yywrap()
-{
- return 1;
-}
-
-/* Hex digit to integer. */
-static inline int
-xdtoi(c)
- register int c;
-{
- if (isdigit(c))
- return c - '0';
- else if (islower(c))
- return c - 'a' + 10;
- else
- return c - 'A' + 10;
-}
-
-/*
- * Convert string to integer. Just like atoi(), but checks for
- * preceding 0x or 0 and uses hex or octal instead of decimal.
- */
-static int
-stoi(s)
- char *s;
-{
- int base = 10;
- int n = 0;
-
- if (*s == '0') {
- if (s[1] == 'x' || s[1] == 'X') {
- s += 2;
- base = 16;
- }
- else {
- base = 8;
- s += 1;
- }
- }
- while (*s)
- n = n * base + xdtoi(*s++);
-
- return n;
-}
-