- add netmap-libpcap
- add netmap (FreeBSD header files need to be updated with this) - move prototype perl scripts to prototype/ folder - create basic structure for sipcap app (no code yet)
This commit is contained in:
farrokhi
706
netmap-libpcap/grammar.y
Normal file
706
netmap-libpcap/grammar.y
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@ -0,0 +1,706 @@
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%{
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/*
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* Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that: (1) source code distributions
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* retain the above copyright notice and this paragraph in its entirety, (2)
|
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* distributions including binary code include the above copyright notice and
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* this paragraph in its entirety in the documentation or other materials
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* provided with the distribution, and (3) all advertising materials mentioning
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* features or use of this software display the following acknowledgement:
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* ``This product includes software developed by the University of California,
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* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
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* the University nor the names of its contributors may be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
|
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#ifdef WIN32
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#include <pcap-stdinc.h>
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#else /* WIN32 */
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#include <sys/types.h>
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#include <sys/socket.h>
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#endif /* WIN32 */
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#include <stdlib.h>
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#ifndef WIN32
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#if __STDC__
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struct mbuf;
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struct rtentry;
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#endif
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#endif /* WIN32 */
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#include <stdio.h>
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#include "pcap-int.h"
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#include "gencode.h"
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#ifdef HAVE_NET_PFVAR_H
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#include <net/if.h>
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#include <net/pfvar.h>
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#include <net/if_pflog.h>
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#endif
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#include "ieee80211.h"
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#include <pcap/namedb.h>
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#ifdef HAVE_OS_PROTO_H
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#include "os-proto.h"
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#endif
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#define QSET(q, p, d, a) (q).proto = (p),\
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(q).dir = (d),\
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(q).addr = (a)
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struct tok {
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int v; /* value */
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const char *s; /* string */
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};
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static const struct tok ieee80211_types[] = {
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{ IEEE80211_FC0_TYPE_DATA, "data" },
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{ IEEE80211_FC0_TYPE_MGT, "mgt" },
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{ IEEE80211_FC0_TYPE_MGT, "management" },
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{ IEEE80211_FC0_TYPE_CTL, "ctl" },
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{ IEEE80211_FC0_TYPE_CTL, "control" },
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{ 0, NULL }
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};
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static const struct tok ieee80211_mgt_subtypes[] = {
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{ IEEE80211_FC0_SUBTYPE_ASSOC_REQ, "assocreq" },
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{ IEEE80211_FC0_SUBTYPE_ASSOC_REQ, "assoc-req" },
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{ IEEE80211_FC0_SUBTYPE_ASSOC_RESP, "assocresp" },
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{ IEEE80211_FC0_SUBTYPE_ASSOC_RESP, "assoc-resp" },
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{ IEEE80211_FC0_SUBTYPE_REASSOC_REQ, "reassocreq" },
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{ IEEE80211_FC0_SUBTYPE_REASSOC_REQ, "reassoc-req" },
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{ IEEE80211_FC0_SUBTYPE_REASSOC_RESP, "reassocresp" },
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{ IEEE80211_FC0_SUBTYPE_REASSOC_RESP, "reassoc-resp" },
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{ IEEE80211_FC0_SUBTYPE_PROBE_REQ, "probereq" },
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{ IEEE80211_FC0_SUBTYPE_PROBE_REQ, "probe-req" },
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{ IEEE80211_FC0_SUBTYPE_PROBE_RESP, "proberesp" },
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{ IEEE80211_FC0_SUBTYPE_PROBE_RESP, "probe-resp" },
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{ IEEE80211_FC0_SUBTYPE_BEACON, "beacon" },
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{ IEEE80211_FC0_SUBTYPE_ATIM, "atim" },
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{ IEEE80211_FC0_SUBTYPE_DISASSOC, "disassoc" },
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{ IEEE80211_FC0_SUBTYPE_DISASSOC, "disassociation" },
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{ IEEE80211_FC0_SUBTYPE_AUTH, "auth" },
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{ IEEE80211_FC0_SUBTYPE_AUTH, "authentication" },
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{ IEEE80211_FC0_SUBTYPE_DEAUTH, "deauth" },
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{ IEEE80211_FC0_SUBTYPE_DEAUTH, "deauthentication" },
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{ 0, NULL }
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};
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static const struct tok ieee80211_ctl_subtypes[] = {
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{ IEEE80211_FC0_SUBTYPE_PS_POLL, "ps-poll" },
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{ IEEE80211_FC0_SUBTYPE_RTS, "rts" },
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{ IEEE80211_FC0_SUBTYPE_CTS, "cts" },
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{ IEEE80211_FC0_SUBTYPE_ACK, "ack" },
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{ IEEE80211_FC0_SUBTYPE_CF_END, "cf-end" },
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{ IEEE80211_FC0_SUBTYPE_CF_END_ACK, "cf-end-ack" },
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{ 0, NULL }
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};
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static const struct tok ieee80211_data_subtypes[] = {
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{ IEEE80211_FC0_SUBTYPE_DATA, "data" },
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{ IEEE80211_FC0_SUBTYPE_CF_ACK, "data-cf-ack" },
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{ IEEE80211_FC0_SUBTYPE_CF_POLL, "data-cf-poll" },
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{ IEEE80211_FC0_SUBTYPE_CF_ACPL, "data-cf-ack-poll" },
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{ IEEE80211_FC0_SUBTYPE_NODATA, "null" },
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{ IEEE80211_FC0_SUBTYPE_NODATA_CF_ACK, "cf-ack" },
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{ IEEE80211_FC0_SUBTYPE_NODATA_CF_POLL, "cf-poll" },
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{ IEEE80211_FC0_SUBTYPE_NODATA_CF_ACPL, "cf-ack-poll" },
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{ IEEE80211_FC0_SUBTYPE_QOS|IEEE80211_FC0_SUBTYPE_DATA, "qos-data" },
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{ IEEE80211_FC0_SUBTYPE_QOS|IEEE80211_FC0_SUBTYPE_CF_ACK, "qos-data-cf-ack" },
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{ IEEE80211_FC0_SUBTYPE_QOS|IEEE80211_FC0_SUBTYPE_CF_POLL, "qos-data-cf-poll" },
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{ IEEE80211_FC0_SUBTYPE_QOS|IEEE80211_FC0_SUBTYPE_CF_ACPL, "qos-data-cf-ack-poll" },
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{ IEEE80211_FC0_SUBTYPE_QOS|IEEE80211_FC0_SUBTYPE_NODATA, "qos" },
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{ IEEE80211_FC0_SUBTYPE_QOS|IEEE80211_FC0_SUBTYPE_NODATA_CF_POLL, "qos-cf-poll" },
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{ IEEE80211_FC0_SUBTYPE_QOS|IEEE80211_FC0_SUBTYPE_NODATA_CF_ACPL, "qos-cf-ack-poll" },
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{ 0, NULL }
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};
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struct type2tok {
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int type;
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const struct tok *tok;
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};
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static const struct type2tok ieee80211_type_subtypes[] = {
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{ IEEE80211_FC0_TYPE_MGT, ieee80211_mgt_subtypes },
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{ IEEE80211_FC0_TYPE_CTL, ieee80211_ctl_subtypes },
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{ IEEE80211_FC0_TYPE_DATA, ieee80211_data_subtypes },
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{ 0, NULL }
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};
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static int
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str2tok(const char *str, const struct tok *toks)
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{
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int i;
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for (i = 0; toks[i].s != NULL; i++) {
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if (pcap_strcasecmp(toks[i].s, str) == 0)
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return (toks[i].v);
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}
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return (-1);
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}
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int n_errors = 0;
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static struct qual qerr = { Q_UNDEF, Q_UNDEF, Q_UNDEF, Q_UNDEF };
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static void
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yyerror(const char *msg)
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{
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++n_errors;
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bpf_error("%s", msg);
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/* NOTREACHED */
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}
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#ifdef NEED_YYPARSE_WRAPPER
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int yyparse(void);
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int
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pcap_parse()
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{
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return (yyparse());
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}
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#endif
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#ifdef HAVE_NET_PFVAR_H
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static int
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pfreason_to_num(const char *reason)
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{
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const char *reasons[] = PFRES_NAMES;
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int i;
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for (i = 0; reasons[i]; i++) {
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if (pcap_strcasecmp(reason, reasons[i]) == 0)
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return (i);
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}
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bpf_error("unknown PF reason");
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/*NOTREACHED*/
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}
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static int
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pfaction_to_num(const char *action)
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{
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if (pcap_strcasecmp(action, "pass") == 0 ||
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pcap_strcasecmp(action, "accept") == 0)
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return (PF_PASS);
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else if (pcap_strcasecmp(action, "drop") == 0 ||
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pcap_strcasecmp(action, "block") == 0)
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return (PF_DROP);
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#if HAVE_PF_NAT_THROUGH_PF_NORDR
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else if (pcap_strcasecmp(action, "rdr") == 0)
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return (PF_RDR);
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else if (pcap_strcasecmp(action, "nat") == 0)
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return (PF_NAT);
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else if (pcap_strcasecmp(action, "binat") == 0)
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return (PF_BINAT);
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else if (pcap_strcasecmp(action, "nordr") == 0)
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return (PF_NORDR);
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#endif
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else {
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bpf_error("unknown PF action");
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/*NOTREACHED*/
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}
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}
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#else /* !HAVE_NET_PFVAR_H */
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static int
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pfreason_to_num(const char *reason)
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{
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bpf_error("libpcap was compiled on a machine without pf support");
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/*NOTREACHED*/
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/* this is to make the VC compiler happy */
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return -1;
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}
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static int
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pfaction_to_num(const char *action)
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{
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bpf_error("libpcap was compiled on a machine without pf support");
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/*NOTREACHED*/
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/* this is to make the VC compiler happy */
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return -1;
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}
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#endif /* HAVE_NET_PFVAR_H */
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%}
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%union {
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int i;
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bpf_u_int32 h;
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u_char *e;
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char *s;
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struct stmt *stmt;
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struct arth *a;
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struct {
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struct qual q;
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int atmfieldtype;
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int mtp3fieldtype;
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struct block *b;
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} blk;
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struct block *rblk;
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}
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%type <blk> expr id nid pid term rterm qid
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%type <blk> head
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%type <i> pqual dqual aqual ndaqual
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%type <a> arth narth
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%type <i> byteop pname pnum relop irelop
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%type <blk> and or paren not null prog
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%type <rblk> other pfvar p80211
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%type <i> atmtype atmmultitype
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%type <blk> atmfield
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%type <blk> atmfieldvalue atmvalue atmlistvalue
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%type <i> mtp2type
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%type <blk> mtp3field
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%type <blk> mtp3fieldvalue mtp3value mtp3listvalue
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%token DST SRC HOST GATEWAY
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%token NET NETMASK PORT PORTRANGE LESS GREATER PROTO PROTOCHAIN CBYTE
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%token ARP RARP IP SCTP TCP UDP ICMP IGMP IGRP PIM VRRP CARP
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||||
%token ATALK AARP DECNET LAT SCA MOPRC MOPDL
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%token TK_BROADCAST TK_MULTICAST
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%token NUM INBOUND OUTBOUND
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||||
%token PF_IFNAME PF_RSET PF_RNR PF_SRNR PF_REASON PF_ACTION
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%token TYPE SUBTYPE DIR ADDR1 ADDR2 ADDR3 ADDR4 RA TA
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||||
%token LINK
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||||
%token GEQ LEQ NEQ
|
||||
%token ID EID HID HID6 AID
|
||||
%token LSH RSH
|
||||
%token LEN
|
||||
%token IPV6 ICMPV6 AH ESP
|
||||
%token VLAN MPLS
|
||||
%token PPPOED PPPOES
|
||||
%token ISO ESIS CLNP ISIS L1 L2 IIH LSP SNP CSNP PSNP
|
||||
%token STP
|
||||
%token IPX
|
||||
%token NETBEUI
|
||||
%token LANE LLC METAC BCC SC ILMIC OAMF4EC OAMF4SC
|
||||
%token OAM OAMF4 CONNECTMSG METACONNECT
|
||||
%token VPI VCI
|
||||
%token RADIO
|
||||
%token FISU LSSU MSU HFISU HLSSU HMSU
|
||||
%token SIO OPC DPC SLS HSIO HOPC HDPC HSLS
|
||||
|
||||
|
||||
%type <s> ID
|
||||
%type <e> EID
|
||||
%type <e> AID
|
||||
%type <s> HID HID6
|
||||
%type <i> NUM action reason type subtype type_subtype dir
|
||||
|
||||
%left OR AND
|
||||
%nonassoc '!'
|
||||
%left '|'
|
||||
%left '&'
|
||||
%left LSH RSH
|
||||
%left '+' '-'
|
||||
%left '*' '/'
|
||||
%nonassoc UMINUS
|
||||
%%
|
||||
prog: null expr
|
||||
{
|
||||
finish_parse($2.b);
|
||||
}
|
||||
| null
|
||||
;
|
||||
null: /* null */ { $$.q = qerr; }
|
||||
;
|
||||
expr: term
|
||||
| expr and term { gen_and($1.b, $3.b); $$ = $3; }
|
||||
| expr and id { gen_and($1.b, $3.b); $$ = $3; }
|
||||
| expr or term { gen_or($1.b, $3.b); $$ = $3; }
|
||||
| expr or id { gen_or($1.b, $3.b); $$ = $3; }
|
||||
;
|
||||
and: AND { $$ = $<blk>0; }
|
||||
;
|
||||
or: OR { $$ = $<blk>0; }
|
||||
;
|
||||
id: nid
|
||||
| pnum { $$.b = gen_ncode(NULL, (bpf_u_int32)$1,
|
||||
$$.q = $<blk>0.q); }
|
||||
| paren pid ')' { $$ = $2; }
|
||||
;
|
||||
nid: ID { $$.b = gen_scode($1, $$.q = $<blk>0.q); }
|
||||
| HID '/' NUM { $$.b = gen_mcode($1, NULL, $3,
|
||||
$$.q = $<blk>0.q); }
|
||||
| HID NETMASK HID { $$.b = gen_mcode($1, $3, 0,
|
||||
$$.q = $<blk>0.q); }
|
||||
| HID {
|
||||
/* Decide how to parse HID based on proto */
|
||||
$$.q = $<blk>0.q;
|
||||
if ($$.q.addr == Q_PORT)
|
||||
bpf_error("'port' modifier applied to ip host");
|
||||
else if ($$.q.addr == Q_PORTRANGE)
|
||||
bpf_error("'portrange' modifier applied to ip host");
|
||||
else if ($$.q.addr == Q_PROTO)
|
||||
bpf_error("'proto' modifier applied to ip host");
|
||||
else if ($$.q.addr == Q_PROTOCHAIN)
|
||||
bpf_error("'protochain' modifier applied to ip host");
|
||||
$$.b = gen_ncode($1, 0, $$.q);
|
||||
}
|
||||
| HID6 '/' NUM {
|
||||
#ifdef INET6
|
||||
$$.b = gen_mcode6($1, NULL, $3,
|
||||
$$.q = $<blk>0.q);
|
||||
#else
|
||||
bpf_error("'ip6addr/prefixlen' not supported "
|
||||
"in this configuration");
|
||||
#endif /*INET6*/
|
||||
}
|
||||
| HID6 {
|
||||
#ifdef INET6
|
||||
$$.b = gen_mcode6($1, 0, 128,
|
||||
$$.q = $<blk>0.q);
|
||||
#else
|
||||
bpf_error("'ip6addr' not supported "
|
||||
"in this configuration");
|
||||
#endif /*INET6*/
|
||||
}
|
||||
| EID {
|
||||
$$.b = gen_ecode($1, $$.q = $<blk>0.q);
|
||||
/*
|
||||
* $1 was allocated by "pcap_ether_aton()",
|
||||
* so we must free it now that we're done
|
||||
* with it.
|
||||
*/
|
||||
free($1);
|
||||
}
|
||||
| AID {
|
||||
$$.b = gen_acode($1, $$.q = $<blk>0.q);
|
||||
/*
|
||||
* $1 was allocated by "pcap_ether_aton()",
|
||||
* so we must free it now that we're done
|
||||
* with it.
|
||||
*/
|
||||
free($1);
|
||||
}
|
||||
| not id { gen_not($2.b); $$ = $2; }
|
||||
;
|
||||
not: '!' { $$ = $<blk>0; }
|
||||
;
|
||||
paren: '(' { $$ = $<blk>0; }
|
||||
;
|
||||
pid: nid
|
||||
| qid and id { gen_and($1.b, $3.b); $$ = $3; }
|
||||
| qid or id { gen_or($1.b, $3.b); $$ = $3; }
|
||||
;
|
||||
qid: pnum { $$.b = gen_ncode(NULL, (bpf_u_int32)$1,
|
||||
$$.q = $<blk>0.q); }
|
||||
| pid
|
||||
;
|
||||
term: rterm
|
||||
| not term { gen_not($2.b); $$ = $2; }
|
||||
;
|
||||
head: pqual dqual aqual { QSET($$.q, $1, $2, $3); }
|
||||
| pqual dqual { QSET($$.q, $1, $2, Q_DEFAULT); }
|
||||
| pqual aqual { QSET($$.q, $1, Q_DEFAULT, $2); }
|
||||
| pqual PROTO { QSET($$.q, $1, Q_DEFAULT, Q_PROTO); }
|
||||
| pqual PROTOCHAIN { QSET($$.q, $1, Q_DEFAULT, Q_PROTOCHAIN); }
|
||||
| pqual ndaqual { QSET($$.q, $1, Q_DEFAULT, $2); }
|
||||
;
|
||||
rterm: head id { $$ = $2; }
|
||||
| paren expr ')' { $$.b = $2.b; $$.q = $1.q; }
|
||||
| pname { $$.b = gen_proto_abbrev($1); $$.q = qerr; }
|
||||
| arth relop arth { $$.b = gen_relation($2, $1, $3, 0);
|
||||
$$.q = qerr; }
|
||||
| arth irelop arth { $$.b = gen_relation($2, $1, $3, 1);
|
||||
$$.q = qerr; }
|
||||
| other { $$.b = $1; $$.q = qerr; }
|
||||
| atmtype { $$.b = gen_atmtype_abbrev($1); $$.q = qerr; }
|
||||
| atmmultitype { $$.b = gen_atmmulti_abbrev($1); $$.q = qerr; }
|
||||
| atmfield atmvalue { $$.b = $2.b; $$.q = qerr; }
|
||||
| mtp2type { $$.b = gen_mtp2type_abbrev($1); $$.q = qerr; }
|
||||
| mtp3field mtp3value { $$.b = $2.b; $$.q = qerr; }
|
||||
;
|
||||
/* protocol level qualifiers */
|
||||
pqual: pname
|
||||
| { $$ = Q_DEFAULT; }
|
||||
;
|
||||
/* 'direction' qualifiers */
|
||||
dqual: SRC { $$ = Q_SRC; }
|
||||
| DST { $$ = Q_DST; }
|
||||
| SRC OR DST { $$ = Q_OR; }
|
||||
| DST OR SRC { $$ = Q_OR; }
|
||||
| SRC AND DST { $$ = Q_AND; }
|
||||
| DST AND SRC { $$ = Q_AND; }
|
||||
| ADDR1 { $$ = Q_ADDR1; }
|
||||
| ADDR2 { $$ = Q_ADDR2; }
|
||||
| ADDR3 { $$ = Q_ADDR3; }
|
||||
| ADDR4 { $$ = Q_ADDR4; }
|
||||
| RA { $$ = Q_RA; }
|
||||
| TA { $$ = Q_TA; }
|
||||
;
|
||||
/* address type qualifiers */
|
||||
aqual: HOST { $$ = Q_HOST; }
|
||||
| NET { $$ = Q_NET; }
|
||||
| PORT { $$ = Q_PORT; }
|
||||
| PORTRANGE { $$ = Q_PORTRANGE; }
|
||||
;
|
||||
/* non-directional address type qualifiers */
|
||||
ndaqual: GATEWAY { $$ = Q_GATEWAY; }
|
||||
;
|
||||
pname: LINK { $$ = Q_LINK; }
|
||||
| IP { $$ = Q_IP; }
|
||||
| ARP { $$ = Q_ARP; }
|
||||
| RARP { $$ = Q_RARP; }
|
||||
| SCTP { $$ = Q_SCTP; }
|
||||
| TCP { $$ = Q_TCP; }
|
||||
| UDP { $$ = Q_UDP; }
|
||||
| ICMP { $$ = Q_ICMP; }
|
||||
| IGMP { $$ = Q_IGMP; }
|
||||
| IGRP { $$ = Q_IGRP; }
|
||||
| PIM { $$ = Q_PIM; }
|
||||
| VRRP { $$ = Q_VRRP; }
|
||||
| CARP { $$ = Q_CARP; }
|
||||
| ATALK { $$ = Q_ATALK; }
|
||||
| AARP { $$ = Q_AARP; }
|
||||
| DECNET { $$ = Q_DECNET; }
|
||||
| LAT { $$ = Q_LAT; }
|
||||
| SCA { $$ = Q_SCA; }
|
||||
| MOPDL { $$ = Q_MOPDL; }
|
||||
| MOPRC { $$ = Q_MOPRC; }
|
||||
| IPV6 { $$ = Q_IPV6; }
|
||||
| ICMPV6 { $$ = Q_ICMPV6; }
|
||||
| AH { $$ = Q_AH; }
|
||||
| ESP { $$ = Q_ESP; }
|
||||
| ISO { $$ = Q_ISO; }
|
||||
| ESIS { $$ = Q_ESIS; }
|
||||
| ISIS { $$ = Q_ISIS; }
|
||||
| L1 { $$ = Q_ISIS_L1; }
|
||||
| L2 { $$ = Q_ISIS_L2; }
|
||||
| IIH { $$ = Q_ISIS_IIH; }
|
||||
| LSP { $$ = Q_ISIS_LSP; }
|
||||
| SNP { $$ = Q_ISIS_SNP; }
|
||||
| PSNP { $$ = Q_ISIS_PSNP; }
|
||||
| CSNP { $$ = Q_ISIS_CSNP; }
|
||||
| CLNP { $$ = Q_CLNP; }
|
||||
| STP { $$ = Q_STP; }
|
||||
| IPX { $$ = Q_IPX; }
|
||||
| NETBEUI { $$ = Q_NETBEUI; }
|
||||
| RADIO { $$ = Q_RADIO; }
|
||||
;
|
||||
other: pqual TK_BROADCAST { $$ = gen_broadcast($1); }
|
||||
| pqual TK_MULTICAST { $$ = gen_multicast($1); }
|
||||
| LESS NUM { $$ = gen_less($2); }
|
||||
| GREATER NUM { $$ = gen_greater($2); }
|
||||
| CBYTE NUM byteop NUM { $$ = gen_byteop($3, $2, $4); }
|
||||
| INBOUND { $$ = gen_inbound(0); }
|
||||
| OUTBOUND { $$ = gen_inbound(1); }
|
||||
| VLAN pnum { $$ = gen_vlan($2); }
|
||||
| VLAN { $$ = gen_vlan(-1); }
|
||||
| MPLS pnum { $$ = gen_mpls($2); }
|
||||
| MPLS { $$ = gen_mpls(-1); }
|
||||
| PPPOED { $$ = gen_pppoed(); }
|
||||
| PPPOES pnum { $$ = gen_pppoes($2); }
|
||||
| PPPOES { $$ = gen_pppoes(-1); }
|
||||
| pfvar { $$ = $1; }
|
||||
| pqual p80211 { $$ = $2; }
|
||||
;
|
||||
|
||||
pfvar: PF_IFNAME ID { $$ = gen_pf_ifname($2); }
|
||||
| PF_RSET ID { $$ = gen_pf_ruleset($2); }
|
||||
| PF_RNR NUM { $$ = gen_pf_rnr($2); }
|
||||
| PF_SRNR NUM { $$ = gen_pf_srnr($2); }
|
||||
| PF_REASON reason { $$ = gen_pf_reason($2); }
|
||||
| PF_ACTION action { $$ = gen_pf_action($2); }
|
||||
;
|
||||
|
||||
p80211: TYPE type SUBTYPE subtype
|
||||
{ $$ = gen_p80211_type($2 | $4,
|
||||
IEEE80211_FC0_TYPE_MASK |
|
||||
IEEE80211_FC0_SUBTYPE_MASK);
|
||||
}
|
||||
| TYPE type { $$ = gen_p80211_type($2,
|
||||
IEEE80211_FC0_TYPE_MASK);
|
||||
}
|
||||
| SUBTYPE type_subtype { $$ = gen_p80211_type($2,
|
||||
IEEE80211_FC0_TYPE_MASK |
|
||||
IEEE80211_FC0_SUBTYPE_MASK);
|
||||
}
|
||||
| DIR dir { $$ = gen_p80211_fcdir($2); }
|
||||
;
|
||||
|
||||
type: NUM
|
||||
| ID { $$ = str2tok($1, ieee80211_types);
|
||||
if ($$ == -1)
|
||||
bpf_error("unknown 802.11 type name");
|
||||
}
|
||||
;
|
||||
|
||||
subtype: NUM
|
||||
| ID { const struct tok *types = NULL;
|
||||
int i;
|
||||
for (i = 0;; i++) {
|
||||
if (ieee80211_type_subtypes[i].tok == NULL) {
|
||||
/* Ran out of types */
|
||||
bpf_error("unknown 802.11 type");
|
||||
break;
|
||||
}
|
||||
if ($<i>-1 == ieee80211_type_subtypes[i].type) {
|
||||
types = ieee80211_type_subtypes[i].tok;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
$$ = str2tok($1, types);
|
||||
if ($$ == -1)
|
||||
bpf_error("unknown 802.11 subtype name");
|
||||
}
|
||||
;
|
||||
|
||||
type_subtype: ID { int i;
|
||||
for (i = 0;; i++) {
|
||||
if (ieee80211_type_subtypes[i].tok == NULL) {
|
||||
/* Ran out of types */
|
||||
bpf_error("unknown 802.11 type name");
|
||||
break;
|
||||
}
|
||||
$$ = str2tok($1, ieee80211_type_subtypes[i].tok);
|
||||
if ($$ != -1) {
|
||||
$$ |= ieee80211_type_subtypes[i].type;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
;
|
||||
|
||||
dir: NUM
|
||||
| ID { if (pcap_strcasecmp($1, "nods") == 0)
|
||||
$$ = IEEE80211_FC1_DIR_NODS;
|
||||
else if (pcap_strcasecmp($1, "tods") == 0)
|
||||
$$ = IEEE80211_FC1_DIR_TODS;
|
||||
else if (pcap_strcasecmp($1, "fromds") == 0)
|
||||
$$ = IEEE80211_FC1_DIR_FROMDS;
|
||||
else if (pcap_strcasecmp($1, "dstods") == 0)
|
||||
$$ = IEEE80211_FC1_DIR_DSTODS;
|
||||
else
|
||||
bpf_error("unknown 802.11 direction");
|
||||
}
|
||||
;
|
||||
|
||||
reason: NUM { $$ = $1; }
|
||||
| ID { $$ = pfreason_to_num($1); }
|
||||
;
|
||||
|
||||
action: ID { $$ = pfaction_to_num($1); }
|
||||
;
|
||||
|
||||
relop: '>' { $$ = BPF_JGT; }
|
||||
| GEQ { $$ = BPF_JGE; }
|
||||
| '=' { $$ = BPF_JEQ; }
|
||||
;
|
||||
irelop: LEQ { $$ = BPF_JGT; }
|
||||
| '<' { $$ = BPF_JGE; }
|
||||
| NEQ { $$ = BPF_JEQ; }
|
||||
;
|
||||
arth: pnum { $$ = gen_loadi($1); }
|
||||
| narth
|
||||
;
|
||||
narth: pname '[' arth ']' { $$ = gen_load($1, $3, 1); }
|
||||
| pname '[' arth ':' NUM ']' { $$ = gen_load($1, $3, $5); }
|
||||
| arth '+' arth { $$ = gen_arth(BPF_ADD, $1, $3); }
|
||||
| arth '-' arth { $$ = gen_arth(BPF_SUB, $1, $3); }
|
||||
| arth '*' arth { $$ = gen_arth(BPF_MUL, $1, $3); }
|
||||
| arth '/' arth { $$ = gen_arth(BPF_DIV, $1, $3); }
|
||||
| arth '&' arth { $$ = gen_arth(BPF_AND, $1, $3); }
|
||||
| arth '|' arth { $$ = gen_arth(BPF_OR, $1, $3); }
|
||||
| arth LSH arth { $$ = gen_arth(BPF_LSH, $1, $3); }
|
||||
| arth RSH arth { $$ = gen_arth(BPF_RSH, $1, $3); }
|
||||
| '-' arth %prec UMINUS { $$ = gen_neg($2); }
|
||||
| paren narth ')' { $$ = $2; }
|
||||
| LEN { $$ = gen_loadlen(); }
|
||||
;
|
||||
byteop: '&' { $$ = '&'; }
|
||||
| '|' { $$ = '|'; }
|
||||
| '<' { $$ = '<'; }
|
||||
| '>' { $$ = '>'; }
|
||||
| '=' { $$ = '='; }
|
||||
;
|
||||
pnum: NUM
|
||||
| paren pnum ')' { $$ = $2; }
|
||||
;
|
||||
atmtype: LANE { $$ = A_LANE; }
|
||||
| LLC { $$ = A_LLC; }
|
||||
| METAC { $$ = A_METAC; }
|
||||
| BCC { $$ = A_BCC; }
|
||||
| OAMF4EC { $$ = A_OAMF4EC; }
|
||||
| OAMF4SC { $$ = A_OAMF4SC; }
|
||||
| SC { $$ = A_SC; }
|
||||
| ILMIC { $$ = A_ILMIC; }
|
||||
;
|
||||
atmmultitype: OAM { $$ = A_OAM; }
|
||||
| OAMF4 { $$ = A_OAMF4; }
|
||||
| CONNECTMSG { $$ = A_CONNECTMSG; }
|
||||
| METACONNECT { $$ = A_METACONNECT; }
|
||||
;
|
||||
/* ATM field types quantifier */
|
||||
atmfield: VPI { $$.atmfieldtype = A_VPI; }
|
||||
| VCI { $$.atmfieldtype = A_VCI; }
|
||||
;
|
||||
atmvalue: atmfieldvalue
|
||||
| relop NUM { $$.b = gen_atmfield_code($<blk>0.atmfieldtype, (bpf_int32)$2, (bpf_u_int32)$1, 0); }
|
||||
| irelop NUM { $$.b = gen_atmfield_code($<blk>0.atmfieldtype, (bpf_int32)$2, (bpf_u_int32)$1, 1); }
|
||||
| paren atmlistvalue ')' { $$.b = $2.b; $$.q = qerr; }
|
||||
;
|
||||
atmfieldvalue: NUM {
|
||||
$$.atmfieldtype = $<blk>0.atmfieldtype;
|
||||
if ($$.atmfieldtype == A_VPI ||
|
||||
$$.atmfieldtype == A_VCI)
|
||||
$$.b = gen_atmfield_code($$.atmfieldtype, (bpf_int32) $1, BPF_JEQ, 0);
|
||||
}
|
||||
;
|
||||
atmlistvalue: atmfieldvalue
|
||||
| atmlistvalue or atmfieldvalue { gen_or($1.b, $3.b); $$ = $3; }
|
||||
;
|
||||
/* MTP2 types quantifier */
|
||||
mtp2type: FISU { $$ = M_FISU; }
|
||||
| LSSU { $$ = M_LSSU; }
|
||||
| MSU { $$ = M_MSU; }
|
||||
| HFISU { $$ = MH_FISU; }
|
||||
| HLSSU { $$ = MH_LSSU; }
|
||||
| HMSU { $$ = MH_MSU; }
|
||||
;
|
||||
/* MTP3 field types quantifier */
|
||||
mtp3field: SIO { $$.mtp3fieldtype = M_SIO; }
|
||||
| OPC { $$.mtp3fieldtype = M_OPC; }
|
||||
| DPC { $$.mtp3fieldtype = M_DPC; }
|
||||
| SLS { $$.mtp3fieldtype = M_SLS; }
|
||||
| HSIO { $$.mtp3fieldtype = MH_SIO; }
|
||||
| HOPC { $$.mtp3fieldtype = MH_OPC; }
|
||||
| HDPC { $$.mtp3fieldtype = MH_DPC; }
|
||||
| HSLS { $$.mtp3fieldtype = MH_SLS; }
|
||||
;
|
||||
mtp3value: mtp3fieldvalue
|
||||
| relop NUM { $$.b = gen_mtp3field_code($<blk>0.mtp3fieldtype, (u_int)$2, (u_int)$1, 0); }
|
||||
| irelop NUM { $$.b = gen_mtp3field_code($<blk>0.mtp3fieldtype, (u_int)$2, (u_int)$1, 1); }
|
||||
| paren mtp3listvalue ')' { $$.b = $2.b; $$.q = qerr; }
|
||||
;
|
||||
mtp3fieldvalue: NUM {
|
||||
$$.mtp3fieldtype = $<blk>0.mtp3fieldtype;
|
||||
if ($$.mtp3fieldtype == M_SIO ||
|
||||
$$.mtp3fieldtype == M_OPC ||
|
||||
$$.mtp3fieldtype == M_DPC ||
|
||||
$$.mtp3fieldtype == M_SLS ||
|
||||
$$.mtp3fieldtype == MH_SIO ||
|
||||
$$.mtp3fieldtype == MH_OPC ||
|
||||
$$.mtp3fieldtype == MH_DPC ||
|
||||
$$.mtp3fieldtype == MH_SLS)
|
||||
$$.b = gen_mtp3field_code($$.mtp3fieldtype, (u_int) $1, BPF_JEQ, 0);
|
||||
}
|
||||
;
|
||||
mtp3listvalue: mtp3fieldvalue
|
||||
| mtp3listvalue or mtp3fieldvalue { gen_or($1.b, $3.b); $$ = $3; }
|
||||
;
|
||||
%%
|
||||
Reference in New Issue
Block a user