Update files for libpcap-1.2.1 import.
[dragonfly.git] / contrib / libpcap / scanner.l
CommitLineData
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1%{
2/*
3 * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
4 * The Regents of the University of California. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that: (1) source code distributions
8 * retain the above copyright notice and this paragraph in its entirety, (2)
9 * distributions including binary code include the above copyright notice and
10 * this paragraph in its entirety in the documentation or other materials
11 * provided with the distribution, and (3) all advertising materials mentioning
12 * features or use of this software display the following acknowledgement:
13 * ``This product includes software developed by the University of California,
14 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
15 * the University nor the names of its contributors may be used to endorse
16 * or promote products derived from this software without specific prior
17 * written permission.
18 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
19 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
20 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
21 */
22
23#ifndef lint
24static const char rcsid[] _U_ =
a85e14b0 25 "@(#) $Header: /tcpdump/master/libpcap/scanner.l,v 1.112 2008-02-06 10:21:30 guy Exp $ (LBL)";
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26#endif
27
28#ifdef HAVE_CONFIG_H
29#include "config.h"
30#endif
31
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32#ifdef WIN32
33#include <pcap-stdinc.h>
34#else /* WIN32 */
35#if HAVE_INTTYPES_H
36#include <inttypes.h>
37#elif HAVE_STDINT_H
38#include <stdint.h>
39#endif
40#ifdef HAVE_SYS_BITYPES_H
41#include <sys/bitypes.h>
42#endif
43#include <sys/types.h>
44#endif /* WIN32 */
45
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46#include <ctype.h>
47#include <string.h>
48
49#include "pcap-int.h"
50
51#include "gencode.h"
52#ifdef INET6
53#ifdef WIN32
54#include <pcap-stdinc.h>
55
56#ifdef __MINGW32__
a85e14b0 57#include "ip6_misc.h"
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58#endif
59#else /* WIN32 */
60#include <sys/socket.h> /* for "struct sockaddr" in "struct addrinfo" */
61#include <netdb.h> /* for "struct addrinfo" */
62#endif /* WIN32 */
63
64/* Workaround for AIX 4.3 */
65#if !defined(AI_NUMERICHOST)
66#define AI_NUMERICHOST 0x04
67#endif
68#endif /*INET6*/
de0d3203 69#include <pcap/namedb.h>
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70#include "tokdefs.h"
71
72#ifdef HAVE_OS_PROTO_H
73#include "os-proto.h"
74#endif
75
76static int stoi(char *);
77static inline int xdtoi(int);
78
79#ifdef FLEX_SCANNER
a85e14b0 80#define YY_NO_INPUT
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81#define YY_NO_UNPUT
82static YY_BUFFER_STATE in_buffer;
83#else
a85e14b0 84static const char *in_buffer;
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85
86#undef getc
87#define getc(fp) (*in_buffer == 0 ? EOF : *in_buffer++)
88#endif
89
90#define yylval pcap_lval
91extern YYSTYPE yylval;
92
93%}
94
95N ([0-9]+|(0X|0x)[0-9A-Fa-f]+)
96B ([0-9A-Fa-f][0-9A-Fa-f]?)
de0d3203 97B2 ([0-9A-Fa-f][0-9A-Fa-f][0-9A-Fa-f][0-9A-Fa-f])
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98W ([0-9A-Fa-f][0-9A-Fa-f]?[0-9A-Fa-f]?[0-9A-Fa-f]?)
99
100%a 18400
101%o 21500
102%e 7600
103%k 4550
104%p 27600
105%n 2000
106
107V680 {W}:{W}:{W}:{W}:{W}:{W}:{W}:{W}
108
109V670 ::{W}:{W}:{W}:{W}:{W}:{W}:{W}
110V671 {W}::{W}:{W}:{W}:{W}:{W}:{W}
111V672 {W}:{W}::{W}:{W}:{W}:{W}:{W}
112V673 {W}:{W}:{W}::{W}:{W}:{W}:{W}
113V674 {W}:{W}:{W}:{W}::{W}:{W}:{W}
114V675 {W}:{W}:{W}:{W}:{W}::{W}:{W}
115V676 {W}:{W}:{W}:{W}:{W}:{W}::{W}
116V677 {W}:{W}:{W}:{W}:{W}:{W}:{W}::
117
118V660 ::{W}:{W}:{W}:{W}:{W}:{W}
119V661 {W}::{W}:{W}:{W}:{W}:{W}
120V662 {W}:{W}::{W}:{W}:{W}:{W}
121V663 {W}:{W}:{W}::{W}:{W}:{W}
122V664 {W}:{W}:{W}:{W}::{W}:{W}
123V665 {W}:{W}:{W}:{W}:{W}::{W}
124V666 {W}:{W}:{W}:{W}:{W}:{W}::
125
126V650 ::{W}:{W}:{W}:{W}:{W}
127V651 {W}::{W}:{W}:{W}:{W}
128V652 {W}:{W}::{W}:{W}:{W}
129V653 {W}:{W}:{W}::{W}:{W}
130V654 {W}:{W}:{W}:{W}::{W}
131V655 {W}:{W}:{W}:{W}:{W}::
132
133V640 ::{W}:{W}:{W}:{W}
134V641 {W}::{W}:{W}:{W}
135V642 {W}:{W}::{W}:{W}
136V643 {W}:{W}:{W}::{W}
137V644 {W}:{W}:{W}:{W}::
138
139V630 ::{W}:{W}:{W}
140V631 {W}::{W}:{W}
141V632 {W}:{W}::{W}
142V633 {W}:{W}:{W}::
143
144V620 ::{W}:{W}
145V621 {W}::{W}
146V622 {W}:{W}::
147
148V610 ::{W}
149V611 {W}::
150
151V600 ::
152
153V6604 {W}:{W}:{W}:{W}:{W}:{W}:{N}\.{N}\.{N}\.{N}
154
155V6504 ::{W}:{W}:{W}:{W}:{W}:{N}\.{N}\.{N}\.{N}
156V6514 {W}::{W}:{W}:{W}:{W}:{N}\.{N}\.{N}\.{N}
157V6524 {W}:{W}::{W}:{W}:{W}:{N}\.{N}\.{N}\.{N}
158V6534 {W}:{W}:{W}::{W}:{W}:{N}\.{N}\.{N}\.{N}
159V6544 {W}:{W}:{W}:{W}::{W}:{N}\.{N}\.{N}\.{N}
160V6554 {W}:{W}:{W}:{W}:{W}::{N}\.{N}\.{N}\.{N}
161
162V6404 ::{W}:{W}:{W}:{W}:{N}\.{N}\.{N}\.{N}
163V6414 {W}::{W}:{W}:{W}:{N}\.{N}\.{N}\.{N}
164V6424 {W}:{W}::{W}:{W}:{N}\.{N}\.{N}\.{N}
165V6434 {W}:{W}:{W}::{W}:{N}\.{N}\.{N}\.{N}
166V6444 {W}:{W}:{W}:{W}::{N}\.{N}\.{N}\.{N}
167
168V6304 ::{W}:{W}:{W}:{N}\.{N}\.{N}\.{N}
169V6314 {W}::{W}:{W}:{N}\.{N}\.{N}\.{N}
170V6324 {W}:{W}::{W}:{N}\.{N}\.{N}\.{N}
171V6334 {W}:{W}:{W}::{N}\.{N}\.{N}\.{N}
172
173V6204 ::{W}:{W}:{N}\.{N}\.{N}\.{N}
174V6214 {W}::{W}:{N}\.{N}\.{N}\.{N}
175V6224 {W}:{W}::{N}\.{N}\.{N}\.{N}
176
177V6104 ::{W}:{N}\.{N}\.{N}\.{N}
178V6114 {W}::{N}\.{N}\.{N}\.{N}
179
180V6004 ::{N}\.{N}\.{N}\.{N}
181
182
183V6 ({V680}|{V670}|{V671}|{V672}|{V673}|{V674}|{V675}|{V676}|{V677}|{V660}|{V661}|{V662}|{V663}|{V664}|{V665}|{V666}|{V650}|{V651}|{V652}|{V653}|{V654}|{V655}|{V640}|{V641}|{V642}|{V643}|{V644}|{V630}|{V631}|{V632}|{V633}|{V620}|{V621}|{V622}|{V610}|{V611}|{V600}|{V6604}|{V6504}|{V6514}|{V6524}|{V6534}|{V6544}|{V6554}|{V6404}|{V6414}|{V6424}|{V6434}|{V6444}|{V6304}|{V6314}|{V6324}|{V6334}|{V6204}|{V6214}|{V6224}|{V6104}|{V6114}|{V6004})
184
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185MAC ({B}:{B}:{B}:{B}:{B}:{B}|{B}\-{B}\-{B}\-{B}\-{B}\-{B}|{B}\.{B}\.{B}\.{B}\.{B}\.{B}|{B2}\.{B2}\.{B2}|{B2}{3})
186
187
188
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189%%
190dst return DST;
191src return SRC;
192
193link|ether|ppp|slip return LINK;
194fddi|tr|wlan return LINK;
195arp return ARP;
196rarp return RARP;
197ip return IP;
198sctp return SCTP;
199tcp return TCP;
200udp return UDP;
201icmp return ICMP;
202igmp return IGMP;
203igrp return IGRP;
204pim return PIM;
205vrrp return VRRP;
a85e14b0 206carp return CARP;
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207radio return RADIO;
208
209ip6 {
210#ifdef INET6
211 return IPV6;
212#else
213 bpf_error("%s not supported", yytext);
214#endif
215 }
216icmp6 {
217#ifdef INET6
218 return ICMPV6;
219#else
220 bpf_error("%s not supported", yytext);
221#endif
222 }
223ah return AH;
224esp return ESP;
225
226atalk return ATALK;
227aarp return AARP;
228decnet return DECNET;
229lat return LAT;
230sca return SCA;
231moprc return MOPRC;
232mopdl return MOPDL;
233
234iso return ISO;
235esis return ESIS;
236es-is return ESIS;
237isis return ISIS;
238is-is return ISIS;
239l1 return L1;
240l2 return L2;
241iih return IIH;
242lsp return LSP;
243snp return SNP;
244csnp return CSNP;
245psnp return PSNP;
246
247clnp return CLNP;
248
249stp return STP;
250
251ipx return IPX;
252
253netbeui return NETBEUI;
254
255host return HOST;
256net return NET;
257mask return NETMASK;
258port return PORT;
259portrange return PORTRANGE;
260proto return PROTO;
261protochain {
262#ifdef NO_PROTOCHAIN
263 bpf_error("%s not supported", yytext);
264#else
265 return PROTOCHAIN;
266#endif
267 }
268
269gateway return GATEWAY;
270
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271type return TYPE;
272subtype return SUBTYPE;
273direction|dir return DIR;
274address1|addr1 return ADDR1;
275address2|addr2 return ADDR2;
276address3|addr3 return ADDR3;
277address4|addr4 return ADDR4;
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278ra return RA;
279ta return TA;
de0d3203 280
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281less return LESS;
282greater return GREATER;
283byte return CBYTE;
284broadcast return TK_BROADCAST;
285multicast return TK_MULTICAST;
286
287and|"&&" return AND;
288or|"||" return OR;
289not return '!';
290
291len|length return LEN;
292inbound return INBOUND;
293outbound return OUTBOUND;
294
295vlan return VLAN;
296mpls return MPLS;
297pppoed return PPPOED;
298pppoes return PPPOES;
299
300lane return LANE;
301llc return LLC;
302metac return METAC;
303bcc return BCC;
304oam return OAM;
305oamf4 return OAMF4;
306oamf4ec return OAMF4EC;
307oamf4sc return OAMF4SC;
308sc return SC;
309ilmic return ILMIC;
310vpi return VPI;
311vci return VCI;
312connectmsg return CONNECTMSG;
313metaconnect return METACONNECT;
314
315on|ifname return PF_IFNAME;
316rset|ruleset return PF_RSET;
317rnr|rulenum return PF_RNR;
318srnr|subrulenum return PF_SRNR;
319reason return PF_REASON;
320action return PF_ACTION;
321
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322fisu return FISU;
323lssu return LSSU;
324lsu return LSSU;
325msu return MSU;
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326sio return SIO;
327opc return OPC;
328dpc return DPC;
329sls return SLS;
330
331[ \r\n\t] ;
332[+\-*/:\[\]!<>()&|=] return yytext[0];
333">=" return GEQ;
334"<=" return LEQ;
335"!=" return NEQ;
336"==" return '=';
337"<<" return LSH;
338">>" return RSH;
339${B} { yylval.e = pcap_ether_aton(((char *)yytext)+1);
340 return AID; }
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341{MAC} { yylval.e = pcap_ether_aton((char *)yytext);
342 return EID; }
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343{N} { yylval.i = stoi((char *)yytext); return NUM; }
344({N}\.{N})|({N}\.{N}\.{N})|({N}\.{N}\.{N}\.{N}) {
345 yylval.s = sdup((char *)yytext); return HID; }
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346{V6} {
347#ifdef INET6
348 struct addrinfo hints, *res;
349 memset(&hints, 0, sizeof(hints));
350 hints.ai_family = AF_INET6;
351 hints.ai_flags = AI_NUMERICHOST;
352 if (getaddrinfo(yytext, NULL, &hints, &res))
353 bpf_error("bogus IPv6 address %s", yytext);
354 else {
a85e14b0 355 freeaddrinfo(res);
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356 yylval.s = sdup((char *)yytext); return HID6;
357 }
358#else
359 bpf_error("IPv6 address %s not supported", yytext);
360#endif /*INET6*/
361 }
362{B}:+({B}:+)+ { bpf_error("bogus ethernet address %s", yytext); }
363icmptype { yylval.i = 0; return NUM; }
364icmpcode { yylval.i = 1; return NUM; }
365icmp-echoreply { yylval.i = 0; return NUM; }
366icmp-unreach { yylval.i = 3; return NUM; }
367icmp-sourcequench { yylval.i = 4; return NUM; }
368icmp-redirect { yylval.i = 5; return NUM; }
369icmp-echo { yylval.i = 8; return NUM; }
370icmp-routeradvert { yylval.i = 9; return NUM; }
371icmp-routersolicit { yylval.i = 10; return NUM; }
372icmp-timxceed { yylval.i = 11; return NUM; }
373icmp-paramprob { yylval.i = 12; return NUM; }
374icmp-tstamp { yylval.i = 13; return NUM; }
375icmp-tstampreply { yylval.i = 14; return NUM; }
376icmp-ireq { yylval.i = 15; return NUM; }
377icmp-ireqreply { yylval.i = 16; return NUM; }
378icmp-maskreq { yylval.i = 17; return NUM; }
379icmp-maskreply { yylval.i = 18; return NUM; }
380tcpflags { yylval.i = 13; return NUM; }
381tcp-fin { yylval.i = 0x01; return NUM; }
382tcp-syn { yylval.i = 0x02; return NUM; }
383tcp-rst { yylval.i = 0x04; return NUM; }
384tcp-push { yylval.i = 0x08; return NUM; }
385tcp-ack { yylval.i = 0x10; return NUM; }
386tcp-urg { yylval.i = 0x20; return NUM; }
387[A-Za-z0-9]([-_.A-Za-z0-9]*[.A-Za-z0-9])? {
388 yylval.s = sdup((char *)yytext); return ID; }
389"\\"[^ !()\n\t]+ { yylval.s = sdup((char *)yytext + 1); return ID; }
390[^ \[\]\t\n\-_.A-Za-z0-9!<>()&|=]+ {
391 bpf_error("illegal token: %s", yytext); }
392. { bpf_error("illegal char '%c'", *yytext); }
393%%
394void
395lex_init(buf)
dfcad8d8 396 const char *buf;
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397{
398#ifdef FLEX_SCANNER
399 in_buffer = yy_scan_string(buf);
400#else
401 in_buffer = buf;
402#endif
403}
404
405/*
406 * Do any cleanup necessary after parsing.
407 */
408void
409lex_cleanup()
410{
411#ifdef FLEX_SCANNER
412 if (in_buffer != NULL)
413 yy_delete_buffer(in_buffer);
414 in_buffer = NULL;
415#endif
416}
417
418/*
419 * Also define a yywrap. Note that if we're using flex, it will
420 * define a macro to map this identifier to pcap_wrap.
421 */
422int
423yywrap()
424{
425 return 1;
426}
427
428/* Hex digit to integer. */
429static inline int
430xdtoi(c)
431 register int c;
432{
433 if (isdigit(c))
434 return c - '0';
435 else if (islower(c))
436 return c - 'a' + 10;
437 else
438 return c - 'A' + 10;
439}
440
441/*
442 * Convert string to integer. Just like atoi(), but checks for
443 * preceding 0x or 0 and uses hex or octal instead of decimal.
444 */
445static int
446stoi(s)
447 char *s;
448{
449 int base = 10;
450 int n = 0;
451
452 if (*s == '0') {
453 if (s[1] == 'x' || s[1] == 'X') {
454 s += 2;
455 base = 16;
456 }
457 else {
458 base = 8;
459 s += 1;
460 }
461 }
462 while (*s)
463 n = n * base + xdtoi(*s++);
464
465 return n;
466}