diff options
Diffstat (limited to 'contrib')
| -rw-r--r-- | contrib/ipfilter/pcap-bpf.h | 687 | ||||
| -rw-r--r-- | contrib/ipfilter/tools/ipf_y.y | 3 |
2 files changed, 689 insertions, 1 deletions
diff --git a/contrib/ipfilter/pcap-bpf.h b/contrib/ipfilter/pcap-bpf.h new file mode 100644 index 0000000..51002a3 --- /dev/null +++ b/contrib/ipfilter/pcap-bpf.h @@ -0,0 +1,687 @@ +/* $FreeBSD$ */ + +/*- + * Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from the Stanford/CMU enet packet filter, + * (net/enet.c) distributed as part of 4.3BSD, and code contributed + * to Berkeley by Steven McCanne and Van Jacobson both of Lawrence + * Berkeley Laboratory. + * + * 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 the University of + * California, Berkeley and its contributors. + * 4. 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 BY THE REGENTS 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 REGENTS 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. + * + * @(#)bpf.h 7.1 (Berkeley) 5/7/91 + * + * @(#) $Header: /tcpdump/master/libpcap/pcap-bpf.h,v 1.37 2005/05/01 19:46:27 guy Exp $ (LBL) + */ + +/* + * This is libpcap's cut-down version of bpf.h; it includes only + * the stuff needed for the code generator and the userland BPF + * interpreter, and the libpcap APIs for setting filters, etc.. + * + * "pcap-bpf.c" will include the native OS version, as it deals with + * the OS's BPF implementation. + * + * XXX - should this all just be moved to "pcap.h"? + */ + +#ifndef BPF_MAJOR_VERSION + +#ifdef __cplusplus +extern "C" { +#endif + +/* BSD style release date */ +#define BPF_RELEASE 199606 + +#ifdef MSDOS /* must be 32-bit */ +typedef long bpf_int32; +typedef unsigned long bpf_u_int32; +#else +typedef int bpf_int32; +typedef u_int bpf_u_int32; +#endif + +/* + * Alignment macros. BPF_WORDALIGN rounds up to the next + * even multiple of BPF_ALIGNMENT. + */ +#ifndef __NetBSD__ +#define BPF_ALIGNMENT sizeof(bpf_int32) +#else +#define BPF_ALIGNMENT sizeof(long) +#endif +#define BPF_WORDALIGN(x) (((x)+(BPF_ALIGNMENT-1))&~(BPF_ALIGNMENT-1)) + +#define BPF_MAXINSNS 512 +#define BPF_MAXBUFSIZE 0x8000 +#define BPF_MINBUFSIZE 32 + +/* + * Structure for "pcap_compile()", "pcap_setfilter()", etc.. + */ +struct bpf_program { + u_int bf_len; + struct bpf_insn *bf_insns; +}; + +/* + * Struct return by BIOCVERSION. This represents the version number of + * the filter language described by the instruction encodings below. + * bpf understands a program iff kernel_major == filter_major && + * kernel_minor >= filter_minor, that is, if the value returned by the + * running kernel has the same major number and a minor number equal + * equal to or less than the filter being downloaded. Otherwise, the + * results are undefined, meaning an error may be returned or packets + * may be accepted haphazardly. + * It has nothing to do with the source code version. + */ +struct bpf_version { + u_short bv_major; + u_short bv_minor; +}; +/* Current version number of filter architecture. */ +#define BPF_MAJOR_VERSION 1 +#define BPF_MINOR_VERSION 1 + +/* + * Data-link level type codes. + * + * Do *NOT* add new values to this list without asking + * "tcpdump-workers@tcpdump.org" for a value. Otherwise, you run the + * risk of using a value that's already being used for some other purpose, + * and of having tools that read libpcap-format captures not being able + * to handle captures with your new DLT_ value, with no hope that they + * will ever be changed to do so (as that would destroy their ability + * to read captures using that value for that other purpose). + */ + +/* + * These are the types that are the same on all platforms, and that + * have been defined by <net/bpf.h> for ages. + */ +#define DLT_NULL 0 /* BSD loopback encapsulation */ +#define DLT_EN10MB 1 /* Ethernet (10Mb) */ +#define DLT_EN3MB 2 /* Experimental Ethernet (3Mb) */ +#define DLT_AX25 3 /* Amateur Radio AX.25 */ +#define DLT_PRONET 4 /* Proteon ProNET Token Ring */ +#define DLT_CHAOS 5 /* Chaos */ +#define DLT_IEEE802 6 /* IEEE 802 Networks */ +#define DLT_ARCNET 7 /* ARCNET, with BSD-style header */ +#define DLT_SLIP 8 /* Serial Line IP */ +#define DLT_PPP 9 /* Point-to-point Protocol */ +#define DLT_FDDI 10 /* FDDI */ + +/* + * These are types that are different on some platforms, and that + * have been defined by <net/bpf.h> for ages. We use #ifdefs to + * detect the BSDs that define them differently from the traditional + * libpcap <net/bpf.h> + * + * XXX - DLT_ATM_RFC1483 is 13 in BSD/OS, and DLT_RAW is 14 in BSD/OS, + * but I don't know what the right #define is for BSD/OS. + */ +#define DLT_ATM_RFC1483 11 /* LLC/SNAP encapsulated atm */ + +#ifdef __OpenBSD__ +#define DLT_RAW 14 /* raw IP */ +#else +#define DLT_RAW 12 /* raw IP */ +#endif + +/* + * Given that the only OS that currently generates BSD/OS SLIP or PPP + * is, well, BSD/OS, arguably everybody should have chosen its values + * for DLT_SLIP_BSDOS and DLT_PPP_BSDOS, which are 15 and 16, but they + * didn't. So it goes. + */ +#if defined(__NetBSD__) || defined(__FreeBSD__) +#ifndef DLT_SLIP_BSDOS +#define DLT_SLIP_BSDOS 13 /* BSD/OS Serial Line IP */ +#define DLT_PPP_BSDOS 14 /* BSD/OS Point-to-point Protocol */ +#endif +#else +#define DLT_SLIP_BSDOS 15 /* BSD/OS Serial Line IP */ +#define DLT_PPP_BSDOS 16 /* BSD/OS Point-to-point Protocol */ +#endif + +/* + * 17 is used for DLT_OLD_PFLOG in OpenBSD; + * OBSOLETE: DLT_PFLOG is 117 in OpenBSD now as well. See below. + * 18 is used for DLT_PFSYNC in OpenBSD; don't use it for anything else. + */ + +#define DLT_ATM_CLIP 19 /* Linux Classical-IP over ATM */ + +/* + * Apparently Redback uses this for its SmartEdge 400/800. I hope + * nobody else decided to use it, too. + */ +#define DLT_REDBACK_SMARTEDGE 32 + +/* + * These values are defined by NetBSD; other platforms should refrain from + * using them for other purposes, so that NetBSD savefiles with link + * types of 50 or 51 can be read as this type on all platforms. + */ +#define DLT_PPP_SERIAL 50 /* PPP over serial with HDLC encapsulation */ +#define DLT_PPP_ETHER 51 /* PPP over Ethernet */ + +/* + * The Axent Raptor firewall - now the Symantec Enterprise Firewall - uses + * a link-layer type of 99 for the tcpdump it supplies. The link-layer + * header has 6 bytes of unknown data, something that appears to be an + * Ethernet type, and 36 bytes that appear to be 0 in at least one capture + * I've seen. + */ +#define DLT_SYMANTEC_FIREWALL 99 + +/* + * Values between 100 and 103 are used in capture file headers as + * link-layer types corresponding to DLT_ types that differ + * between platforms; don't use those values for new DLT_ new types. + */ + +/* + * This value was defined by libpcap 0.5; platforms that have defined + * it with a different value should define it here with that value - + * a link type of 104 in a save file will be mapped to DLT_C_HDLC, + * whatever value that happens to be, so programs will correctly + * handle files with that link type regardless of the value of + * DLT_C_HDLC. + * + * The name DLT_C_HDLC was used by BSD/OS; we use that name for source + * compatibility with programs written for BSD/OS. + * + * libpcap 0.5 defined it as DLT_CHDLC; we define DLT_CHDLC as well, + * for source compatibility with programs written for libpcap 0.5. + */ +#define DLT_C_HDLC 104 /* Cisco HDLC */ +#define DLT_CHDLC DLT_C_HDLC + +#define DLT_IEEE802_11 105 /* IEEE 802.11 wireless */ + +/* + * 106 is reserved for Linux Classical IP over ATM; it's like DLT_RAW, + * except when it isn't. (I.e., sometimes it's just raw IP, and + * sometimes it isn't.) We currently handle it as DLT_LINUX_SLL, + * so that we don't have to worry about the link-layer header.) + */ + +/* + * Frame Relay; BSD/OS has a DLT_FR with a value of 11, but that collides + * with other values. + * DLT_FR and DLT_FRELAY packets start with the Q.922 Frame Relay header + * (DLCI, etc.). + */ +#define DLT_FRELAY 107 + +/* + * OpenBSD DLT_LOOP, for loopback devices; it's like DLT_NULL, except + * that the AF_ type in the link-layer header is in network byte order. + * + * OpenBSD defines it as 12, but that collides with DLT_RAW, so we + * define it as 108 here. If OpenBSD picks up this file, it should + * define DLT_LOOP as 12 in its version, as per the comment above - + * and should not use 108 as a DLT_ value. + */ +#define DLT_LOOP 108 + +/* + * Encapsulated packets for IPsec; DLT_ENC is 13 in OpenBSD, but that's + * DLT_SLIP_BSDOS in NetBSD, so we don't use 13 for it in OSes other + * than OpenBSD. + */ +#ifdef __OpenBSD__ +#define DLT_ENC 13 +#else +#define DLT_ENC 109 +#endif + +/* + * Values between 110 and 112 are reserved for use in capture file headers + * as link-layer types corresponding to DLT_ types that might differ + * between platforms; don't use those values for new DLT_ types + * other than the corresponding DLT_ types. + */ + +/* + * This is for Linux cooked sockets. + */ +#define DLT_LINUX_SLL 113 + +/* + * Apple LocalTalk hardware. + */ +#define DLT_LTALK 114 + +/* + * Acorn Econet. + */ +#define DLT_ECONET 115 + +/* + * Reserved for use with OpenBSD ipfilter. + */ +#define DLT_IPFILTER 116 + +/* + * OpenBSD DLT_PFLOG; DLT_PFLOG is 17 in OpenBSD, but that's DLT_LANE8023 + * in SuSE 6.3, so we can't use 17 for it in capture-file headers. + * + * XXX: is there a conflict with DLT_PFSYNC 18 as well? + */ +#ifdef __OpenBSD__ +#define DLT_OLD_PFLOG 17 +#define DLT_PFSYNC 18 +#endif +#define DLT_PFLOG 117 + +/* + * Registered for Cisco-internal use. + */ +#define DLT_CISCO_IOS 118 + +/* + * For 802.11 cards using the Prism II chips, with a link-layer + * header including Prism monitor mode information plus an 802.11 + * header. + */ +#define DLT_PRISM_HEADER 119 + +/* + * Reserved for Aironet 802.11 cards, with an Aironet link-layer header + * (see Doug Ambrisko's FreeBSD patches). + */ +#define DLT_AIRONET_HEADER 120 + +/* + * Reserved for Siemens HiPath HDLC. + */ +#define DLT_HHDLC 121 + +/* + * This is for RFC 2625 IP-over-Fibre Channel. + * + * This is not for use with raw Fibre Channel, where the link-layer + * header starts with a Fibre Channel frame header; it's for IP-over-FC, + * where the link-layer header starts with an RFC 2625 Network_Header + * field. + */ +#define DLT_IP_OVER_FC 122 + +/* + * This is for Full Frontal ATM on Solaris with SunATM, with a + * pseudo-header followed by an AALn PDU. + * + * There may be other forms of Full Frontal ATM on other OSes, + * with different pseudo-headers. + * + * If ATM software returns a pseudo-header with VPI/VCI information + * (and, ideally, packet type information, e.g. signalling, ILMI, + * LANE, LLC-multiplexed traffic, etc.), it should not use + * DLT_ATM_RFC1483, but should get a new DLT_ value, so tcpdump + * and the like don't have to infer the presence or absence of a + * pseudo-header and the form of the pseudo-header. + */ +#define DLT_SUNATM 123 /* Solaris+SunATM */ + +/* + * Reserved as per request from Kent Dahlgren <kent@praesum.com> + * for private use. + */ +#define DLT_RIO 124 /* RapidIO */ +#define DLT_PCI_EXP 125 /* PCI Express */ +#define DLT_AURORA 126 /* Xilinx Aurora link layer */ + +/* + * Header for 802.11 plus a number of bits of link-layer information + * including radio information, used by some recent BSD drivers as + * well as the madwifi Atheros driver for Linux. + */ +#define DLT_IEEE802_11_RADIO 127 /* 802.11 plus radiotap radio header */ + +/* + * Reserved for the TZSP encapsulation, as per request from + * Chris Waters <chris.waters@networkchemistry.com> + * TZSP is a generic encapsulation for any other link type, + * which includes a means to include meta-information + * with the packet, e.g. signal strength and channel + * for 802.11 packets. + */ +#define DLT_TZSP 128 /* Tazmen Sniffer Protocol */ + +/* + * BSD's ARCNET headers have the source host, destination host, + * and type at the beginning of the packet; that's what's handed + * up to userland via BPF. + * + * Linux's ARCNET headers, however, have a 2-byte offset field + * between the host IDs and the type; that's what's handed up + * to userland via PF_PACKET sockets. + * + * We therefore have to have separate DLT_ values for them. + */ +#define DLT_ARCNET_LINUX 129 /* ARCNET */ + +/* + * Juniper-private data link types, as per request from + * Hannes Gredler <hannes@juniper.net>. The DLT_s are used + * for passing on chassis-internal metainformation such as + * QOS profiles, etc.. + */ +#define DLT_JUNIPER_MLPPP 130 +#define DLT_JUNIPER_MLFR 131 +#define DLT_JUNIPER_ES 132 +#define DLT_JUNIPER_GGSN 133 +#define DLT_JUNIPER_MFR 134 +#define DLT_JUNIPER_ATM2 135 +#define DLT_JUNIPER_SERVICES 136 +#define DLT_JUNIPER_ATM1 137 + +/* + * Apple IP-over-IEEE 1394, as per a request from Dieter Siegmund + * <dieter@apple.com>. The header that's presented is an Ethernet-like + * header: + * + * #define FIREWIRE_EUI64_LEN 8 + * struct firewire_header { + * u_char firewire_dhost[FIREWIRE_EUI64_LEN]; + * u_char firewire_shost[FIREWIRE_EUI64_LEN]; + * u_short firewire_type; + * }; + * + * with "firewire_type" being an Ethernet type value, rather than, + * for example, raw GASP frames being handed up. + */ +#define DLT_APPLE_IP_OVER_IEEE1394 138 + +/* + * Various SS7 encapsulations, as per a request from Jeff Morriss + * <jeff.morriss[AT]ulticom.com> and subsequent discussions. + */ +#define DLT_MTP2_WITH_PHDR 139 /* pseudo-header with various info, followed by MTP2 */ +#define DLT_MTP2 140 /* MTP2, without pseudo-header */ +#define DLT_MTP3 141 /* MTP3, without pseudo-header or MTP2 */ +#define DLT_SCCP 142 /* SCCP, without pseudo-header or MTP2 or MTP3 */ + +/* + * DOCSIS MAC frames. + */ +#define DLT_DOCSIS 143 + +/* + * Linux-IrDA packets. Protocol defined at http://www.irda.org. + * Those packets include IrLAP headers and above (IrLMP...), but + * don't include Phy framing (SOF/EOF/CRC & byte stuffing), because Phy + * framing can be handled by the hardware and depend on the bitrate. + * This is exactly the format you would get capturing on a Linux-IrDA + * interface (irdaX), but not on a raw serial port. + * Note the capture is done in "Linux-cooked" mode, so each packet include + * a fake packet header (struct sll_header). This is because IrDA packet + * decoding is dependant on the direction of the packet (incomming or + * outgoing). + * When/if other platform implement IrDA capture, we may revisit the + * issue and define a real DLT_IRDA... + * Jean II + */ +#define DLT_LINUX_IRDA 144 + +/* + * Reserved for IBM SP switch and IBM Next Federation switch. + */ +#define DLT_IBM_SP 145 +#define DLT_IBM_SN 146 + +/* + * Reserved for private use. If you have some link-layer header type + * that you want to use within your organization, with the capture files + * using that link-layer header type not ever be sent outside your + * organization, you can use these values. + * + * No libpcap release will use these for any purpose, nor will any + * tcpdump release use them, either. + * + * Do *NOT* use these in capture files that you expect anybody not using + * your private versions of capture-file-reading tools to read; in + * particular, do *NOT* use them in products, otherwise you may find that + * people won't be able to use tcpdump, or snort, or Ethereal, or... to + * read capture files from your firewall/intrusion detection/traffic + * monitoring/etc. appliance, or whatever product uses that DLT_ value, + * and you may also find that the developers of those applications will + * not accept patches to let them read those files. + * + * Also, do not use them if somebody might send you a capture using them + * for *their* private type and tools using them for *your* private type + * would have to read them. + * + * Instead, ask "tcpdump-workers@tcpdump.org" for a new DLT_ value, + * as per the comment above, and use the type you're given. + */ +#define DLT_USER0 147 +#define DLT_USER1 148 +#define DLT_USER2 149 +#define DLT_USER3 150 +#define DLT_USER4 151 +#define DLT_USER5 152 +#define DLT_USER6 153 +#define DLT_USER7 154 +#define DLT_USER8 155 +#define DLT_USER9 156 +#define DLT_USER10 157 +#define DLT_USER11 158 +#define DLT_USER12 159 +#define DLT_USER13 160 +#define DLT_USER14 161 +#define DLT_USER15 162 + +/* + * For future use with 802.11 captures - defined by AbsoluteValue + * Systems to store a number of bits of link-layer information + * including radio information: + * + * http://www.shaftnet.org/~pizza/software/capturefrm.txt + * + * but it might be used by some non-AVS drivers now or in the + * future. + */ +#define DLT_IEEE802_11_RADIO_AVS 163 /* 802.11 plus AVS radio header */ + +/* + * Juniper-private data link type, as per request from + * Hannes Gredler <hannes@juniper.net>. The DLT_s are used + * for passing on chassis-internal metainformation such as + * QOS profiles, etc.. + */ +#define DLT_JUNIPER_MONITOR 164 + +/* + * Reserved for BACnet MS/TP. + */ +#define DLT_BACNET_MS_TP 165 + +/* + * Another PPP variant as per request from Karsten Keil <kkeil@suse.de>. + * + * This is used in some OSes to allow a kernel socket filter to distinguish + * between incoming and outgoing packets, on a socket intended to + * supply pppd with outgoing packets so it can do dial-on-demand and + * hangup-on-lack-of-demand; incoming packets are filtered out so they + * don't cause pppd to hold the connection up (you don't want random + * input packets such as port scans, packets from old lost connections, + * etc. to force the connection to stay up). + * + * The first byte of the PPP header (0xff03) is modified to accomodate + * the direction - 0x00 = IN, 0x01 = OUT. + */ +#define DLT_PPP_PPPD 166 + +/* + * Names for backwards compatibility with older versions of some PPP + * software; new software should use DLT_PPP_PPPD. + */ +#define DLT_PPP_WITH_DIRECTION DLT_PPP_PPPD +#define DLT_LINUX_PPP_WITHDIRECTION DLT_PPP_PPPD + +/* + * Juniper-private data link type, as per request from + * Hannes Gredler <hannes@juniper.net>. The DLT_s are used + * for passing on chassis-internal metainformation such as + * QOS profiles, cookies, etc.. + */ +#define DLT_JUNIPER_PPPOE 167 +#define DLT_JUNIPER_PPPOE_ATM 168 + +#define DLT_GPRS_LLC 169 /* GPRS LLC */ +#define DLT_GPF_T 170 /* GPF-T (ITU-T G.7041/Y.1303) */ +#define DLT_GPF_F 171 /* GPF-F (ITU-T G.7041/Y.1303) */ + +/* + * Requested by Oolan Zimmer <oz@gcom.com> for use in Gcom's T1/E1 line + * monitoring equipment. + */ +#define DLT_GCOM_T1E1 172 +#define DLT_GCOM_SERIAL 173 + +/* + * Juniper-private data link type, as per request from + * Hannes Gredler <hannes@juniper.net>. The DLT_ is used + * for internal communication to Physical Interface Cards (PIC) + */ +#define DLT_JUNIPER_PIC_PEER 174 + +/* + * Link types requested by Gregor Maier <gregor@endace.com> of Endace + * Measurement Systems. They add an ERF header (see + * http://www.endace.com/support/EndaceRecordFormat.pdf) in front of + * the link-layer header. + */ +#define DLT_ERF_ETH 175 /* Ethernet */ +#define DLT_ERF_POS 176 /* Packet-over-SONET */ + +/* + * Requested by Daniele Orlandi <daniele@orlandi.com> for raw LAPD + * for vISDN (http://www.orlandi.com/visdn/). Its link-layer header + * includes additional information before the LAPD header, so it's + * not necessarily a generic LAPD header. + */ +#define DLT_LINUX_LAPD 177 + +/* + * The instruction encodings. + */ +/* instruction classes */ +#define BPF_CLASS(code) ((code) & 0x07) +#define BPF_LD 0x00 +#define BPF_LDX 0x01 +#define BPF_ST 0x02 +#define BPF_STX 0x03 +#define BPF_ALU 0x04 +#define BPF_JMP 0x05 +#define BPF_RET 0x06 +#define BPF_MISC 0x07 + +/* ld/ldx fields */ +#define BPF_SIZE(code) ((code) & 0x18) +#define BPF_W 0x00 +#define BPF_H 0x08 +#define BPF_B 0x10 +#define BPF_MODE(code) ((code) & 0xe0) +#define BPF_IMM 0x00 +#define BPF_ABS 0x20 +#define BPF_IND 0x40 +#define BPF_MEM 0x60 +#define BPF_LEN 0x80 +#define BPF_MSH 0xa0 + +/* alu/jmp fields */ +#define BPF_OP(code) ((code) & 0xf0) +#define BPF_ADD 0x00 +#define BPF_SUB 0x10 +#define BPF_MUL 0x20 +#define BPF_DIV 0x30 +#define BPF_OR 0x40 +#define BPF_AND 0x50 +#define BPF_LSH 0x60 +#define BPF_RSH 0x70 +#define BPF_NEG 0x80 +#define BPF_JA 0x00 +#define BPF_JEQ 0x10 +#define BPF_JGT 0x20 +#define BPF_JGE 0x30 +#define BPF_JSET 0x40 +#define BPF_SRC(code) ((code) & 0x08) +#define BPF_K 0x00 +#define BPF_X 0x08 + +/* ret - BPF_K and BPF_X also apply */ +#define BPF_RVAL(code) ((code) & 0x18) +#define BPF_A 0x10 + +/* misc */ +#define BPF_MISCOP(code) ((code) & 0xf8) +#define BPF_TAX 0x00 +#define BPF_TXA 0x80 + +/* + * The instruction data structure. + */ +struct bpf_insn { + u_short code; + u_char jt; + u_char jf; + bpf_int32 k; +}; + +/* + * Macros for insn array initializers. + */ +#define BPF_STMT(code, k) { (u_short)(code), 0, 0, k } +#define BPF_JUMP(code, k, jt, jf) { (u_short)(code), jt, jf, k } + +#if __STDC__ || defined(__cplusplus) +extern int bpf_validate(struct bpf_insn *, int); +extern u_int bpf_filter(struct bpf_insn *, u_char *, u_int, u_int); +#else +extern int bpf_validate(); +extern u_int bpf_filter(); +#endif + +/* + * Number of scratch memory words (for BPF_LD|BPF_MEM and BPF_ST). + */ +#define BPF_MEMWORDS 16 + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/contrib/ipfilter/tools/ipf_y.y b/contrib/ipfilter/tools/ipf_y.y index 9fd02dd..47113c7 100644 --- a/contrib/ipfilter/tools/ipf_y.y +++ b/contrib/ipfilter/tools/ipf_y.y @@ -5,7 +5,8 @@ #include <sys/ioctl.h> #include <syslog.h> #ifdef IPFILTER_BPF -# include <pcap-bpf.h> +# include "pcap-bpf.h" +# define _NET_BPF_H_ # include <pcap.h> #endif #include "netinet/ip_pool.h" |
