mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-12-02 19:22:47 +00:00
344 lines
9.6 KiB
C
344 lines
9.6 KiB
C
/*
|
|
* Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996
|
|
* 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.
|
|
*
|
|
* @(#) $Header: /tcpdump/master/libpcap/gencode.h,v 1.71 2007-11-18 02:03:52 guy Exp $ (LBL)
|
|
*/
|
|
|
|
/*
|
|
* ATM support:
|
|
*
|
|
* Copyright (c) 1997 Yen Yen Lim and North Dakota State University
|
|
* 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Yen Yen Lim and
|
|
* North Dakota State University
|
|
* 4. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
|
|
*/
|
|
|
|
#ifndef HAVE___ATTRIBUTE__
|
|
#define __attribute__(x)
|
|
#endif /* HAVE___ATTRIBUTE__ */
|
|
|
|
/* Address qualifiers. */
|
|
|
|
#define Q_HOST 1
|
|
#define Q_NET 2
|
|
#define Q_PORT 3
|
|
#define Q_GATEWAY 4
|
|
#define Q_PROTO 5
|
|
#define Q_PROTOCHAIN 6
|
|
#define Q_PORTRANGE 7
|
|
|
|
/* Protocol qualifiers. */
|
|
|
|
#define Q_LINK 1
|
|
#define Q_IP 2
|
|
#define Q_ARP 3
|
|
#define Q_RARP 4
|
|
#define Q_SCTP 5
|
|
#define Q_TCP 6
|
|
#define Q_UDP 7
|
|
#define Q_ICMP 8
|
|
#define Q_IGMP 9
|
|
#define Q_IGRP 10
|
|
|
|
|
|
#define Q_ATALK 11
|
|
#define Q_DECNET 12
|
|
#define Q_LAT 13
|
|
#define Q_SCA 14
|
|
#define Q_MOPRC 15
|
|
#define Q_MOPDL 16
|
|
|
|
|
|
#define Q_IPV6 17
|
|
#define Q_ICMPV6 18
|
|
#define Q_AH 19
|
|
#define Q_ESP 20
|
|
|
|
#define Q_PIM 21
|
|
#define Q_VRRP 22
|
|
|
|
#define Q_AARP 23
|
|
|
|
#define Q_ISO 24
|
|
#define Q_ESIS 25
|
|
#define Q_ISIS 26
|
|
#define Q_CLNP 27
|
|
|
|
#define Q_STP 28
|
|
|
|
#define Q_IPX 29
|
|
|
|
#define Q_NETBEUI 30
|
|
|
|
/* IS-IS Levels */
|
|
#define Q_ISIS_L1 31
|
|
#define Q_ISIS_L2 32
|
|
/* PDU types */
|
|
#define Q_ISIS_IIH 33
|
|
#define Q_ISIS_LAN_IIH 34
|
|
#define Q_ISIS_PTP_IIH 35
|
|
#define Q_ISIS_SNP 36
|
|
#define Q_ISIS_CSNP 37
|
|
#define Q_ISIS_PSNP 38
|
|
#define Q_ISIS_LSP 39
|
|
|
|
#define Q_RADIO 40
|
|
|
|
#define Q_CARP 41
|
|
|
|
/* Directional qualifiers. */
|
|
|
|
#define Q_SRC 1
|
|
#define Q_DST 2
|
|
#define Q_OR 3
|
|
#define Q_AND 4
|
|
#define Q_ADDR1 5
|
|
#define Q_ADDR2 6
|
|
#define Q_ADDR3 7
|
|
#define Q_ADDR4 8
|
|
#define Q_RA 9
|
|
#define Q_TA 10
|
|
|
|
#define Q_DEFAULT 0
|
|
#define Q_UNDEF 255
|
|
|
|
/* ATM types */
|
|
#define A_METAC 22 /* Meta signalling Circuit */
|
|
#define A_BCC 23 /* Broadcast Circuit */
|
|
#define A_OAMF4SC 24 /* Segment OAM F4 Circuit */
|
|
#define A_OAMF4EC 25 /* End-to-End OAM F4 Circuit */
|
|
#define A_SC 26 /* Signalling Circuit*/
|
|
#define A_ILMIC 27 /* ILMI Circuit */
|
|
#define A_OAM 28 /* OAM cells : F4 only */
|
|
#define A_OAMF4 29 /* OAM F4 cells: Segment + End-to-end */
|
|
#define A_LANE 30 /* LANE traffic */
|
|
#define A_LLC 31 /* LLC-encapsulated traffic */
|
|
|
|
/* Based on Q.2931 signalling protocol */
|
|
#define A_SETUP 41 /* Setup message */
|
|
#define A_CALLPROCEED 42 /* Call proceeding message */
|
|
#define A_CONNECT 43 /* Connect message */
|
|
#define A_CONNECTACK 44 /* Connect Ack message */
|
|
#define A_RELEASE 45 /* Release message */
|
|
#define A_RELEASE_DONE 46 /* Release message */
|
|
|
|
/* ATM field types */
|
|
#define A_VPI 51
|
|
#define A_VCI 52
|
|
#define A_PROTOTYPE 53
|
|
#define A_MSGTYPE 54
|
|
#define A_CALLREFTYPE 55
|
|
|
|
#define A_CONNECTMSG 70 /* returns Q.2931 signalling messages for
|
|
establishing and destroying switched
|
|
virtual connection */
|
|
#define A_METACONNECT 71 /* returns Q.2931 signalling messages for
|
|
establishing and destroying predefined
|
|
virtual circuits, such as broadcast
|
|
circuit, oamf4 segment circuit, oamf4
|
|
end-to-end circuits, ILMI circuits or
|
|
connection signalling circuit. */
|
|
|
|
/* MTP2 types */
|
|
#define M_FISU 22 /* FISU */
|
|
#define M_LSSU 23 /* LSSU */
|
|
#define M_MSU 24 /* MSU */
|
|
|
|
/* MTP3 field types */
|
|
#define M_SIO 1
|
|
#define M_OPC 2
|
|
#define M_DPC 3
|
|
#define M_SLS 4
|
|
|
|
|
|
struct slist;
|
|
|
|
struct stmt {
|
|
int code;
|
|
struct slist *jt; /*only for relative jump in block*/
|
|
struct slist *jf; /*only for relative jump in block*/
|
|
bpf_int32 k;
|
|
};
|
|
|
|
struct slist {
|
|
struct stmt s;
|
|
struct slist *next;
|
|
};
|
|
|
|
/*
|
|
* A bit vector to represent definition sets. We assume TOT_REGISTERS
|
|
* is smaller than 8*sizeof(atomset).
|
|
*/
|
|
typedef bpf_u_int32 atomset;
|
|
#define ATOMMASK(n) (1 << (n))
|
|
#define ATOMELEM(d, n) (d & ATOMMASK(n))
|
|
|
|
/*
|
|
* An unbounded set.
|
|
*/
|
|
typedef bpf_u_int32 *uset;
|
|
|
|
/*
|
|
* Total number of atomic entities, including accumulator (A) and index (X).
|
|
* We treat all these guys similarly during flow analysis.
|
|
*/
|
|
#define N_ATOMS (BPF_MEMWORDS+2)
|
|
|
|
struct edge {
|
|
int id;
|
|
int code;
|
|
uset edom;
|
|
struct block *succ;
|
|
struct block *pred;
|
|
struct edge *next; /* link list of incoming edges for a node */
|
|
};
|
|
|
|
struct block {
|
|
int id;
|
|
struct slist *stmts; /* side effect stmts */
|
|
struct stmt s; /* branch stmt */
|
|
int mark;
|
|
u_int longjt; /* jt branch requires long jump */
|
|
u_int longjf; /* jf branch requires long jump */
|
|
int level;
|
|
int offset;
|
|
int sense;
|
|
struct edge et;
|
|
struct edge ef;
|
|
struct block *head;
|
|
struct block *link; /* link field used by optimizer */
|
|
uset dom;
|
|
uset closure;
|
|
struct edge *in_edges;
|
|
atomset def, kill;
|
|
atomset in_use;
|
|
atomset out_use;
|
|
int oval;
|
|
int val[N_ATOMS];
|
|
};
|
|
|
|
struct arth {
|
|
struct block *b; /* protocol checks */
|
|
struct slist *s; /* stmt list */
|
|
int regno; /* virtual register number of result */
|
|
};
|
|
|
|
struct qual {
|
|
unsigned char addr;
|
|
unsigned char proto;
|
|
unsigned char dir;
|
|
unsigned char pad;
|
|
};
|
|
|
|
struct arth *gen_loadi(int);
|
|
struct arth *gen_load(int, struct arth *, int);
|
|
struct arth *gen_loadlen(void);
|
|
struct arth *gen_neg(struct arth *);
|
|
struct arth *gen_arth(int, struct arth *, struct arth *);
|
|
|
|
void gen_and(struct block *, struct block *);
|
|
void gen_or(struct block *, struct block *);
|
|
void gen_not(struct block *);
|
|
|
|
struct block *gen_scode(const char *, struct qual);
|
|
struct block *gen_ecode(const u_char *, struct qual);
|
|
struct block *gen_acode(const u_char *, struct qual);
|
|
struct block *gen_mcode(const char *, const char *, int, struct qual);
|
|
#ifdef INET6
|
|
struct block *gen_mcode6(const char *, const char *, int, struct qual);
|
|
#endif
|
|
struct block *gen_ncode(const char *, bpf_u_int32, struct qual);
|
|
struct block *gen_proto_abbrev(int);
|
|
struct block *gen_relation(int, struct arth *, struct arth *, int);
|
|
struct block *gen_less(int);
|
|
struct block *gen_greater(int);
|
|
struct block *gen_byteop(int, int, int);
|
|
struct block *gen_broadcast(int);
|
|
struct block *gen_multicast(int);
|
|
struct block *gen_inbound(int);
|
|
|
|
struct block *gen_vlan(int);
|
|
struct block *gen_mpls(int);
|
|
|
|
struct block *gen_pppoed(void);
|
|
struct block *gen_pppoes(void);
|
|
|
|
struct block *gen_atmfield_code(int atmfield, bpf_int32 jvalue, bpf_u_int32 jtype, int reverse);
|
|
struct block *gen_atmtype_abbrev(int type);
|
|
struct block *gen_atmmulti_abbrev(int type);
|
|
|
|
struct block *gen_mtp2type_abbrev(int type);
|
|
struct block *gen_mtp3field_code(int mtp3field, bpf_u_int32 jvalue, bpf_u_int32 jtype, int reverse);
|
|
|
|
struct block *gen_pf_ifname(const char *);
|
|
struct block *gen_pf_rnr(int);
|
|
struct block *gen_pf_srnr(int);
|
|
struct block *gen_pf_ruleset(char *);
|
|
struct block *gen_pf_reason(int);
|
|
struct block *gen_pf_action(int);
|
|
struct block *gen_pf_dir(int);
|
|
|
|
struct block *gen_p80211_type(int, int);
|
|
struct block *gen_p80211_fcdir(int);
|
|
|
|
void bpf_optimize(struct block **);
|
|
void bpf_error(const char *, ...)
|
|
__attribute__((noreturn, format (printf, 1, 2)));
|
|
|
|
void finish_parse(struct block *);
|
|
char *sdup(const char *);
|
|
|
|
struct bpf_insn *icode_to_fcode(struct block *, u_int *);
|
|
int pcap_parse(void);
|
|
void lex_init(const char *);
|
|
void lex_cleanup(void);
|
|
void sappend(struct slist *, struct slist *);
|
|
|
|
/* XXX */
|
|
#define JT(b) ((b)->et.succ)
|
|
#define JF(b) ((b)->ef.succ)
|
|
|
|
extern int no_optimize;
|