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| -rw-r--r-- | pflog.h | 151 |
1 files changed, 151 insertions, 0 deletions
@@ -0,0 +1,151 @@ +/* + * Copyright (c) 1982, 1986, 1993 + * 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 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. + */ + +/* + * pflog headers, at least as they exist now. + */ +#define PFLOG_IFNAMSIZ 16 +#define PFLOG_RULESET_NAME_SIZE 16 + +/* + * Direction values. + */ +#define PF_INOUT 0 +#define PF_IN 1 +#define PF_OUT 2 +#if defined(__OpenBSD__) +#define PF_FWD 3 +#endif + +/* + * Reason values. + */ +#define PFRES_MATCH 0 +#define PFRES_BADOFF 1 +#define PFRES_FRAG 2 +#define PFRES_SHORT 3 +#define PFRES_NORM 4 +#define PFRES_MEMORY 5 +#define PFRES_TS 6 +#define PFRES_CONGEST 7 +#define PFRES_IPOPTIONS 8 +#define PFRES_PROTCKSUM 9 +#define PFRES_BADSTATE 10 +#define PFRES_STATEINS 11 +#define PFRES_MAXSTATES 12 +#define PFRES_SRCLIMIT 13 +#define PFRES_SYNPROXY 14 +#if defined(__FreeBSD__) +#define PFRES_MAPFAILED 15 +#elif defined(__NetBSD__) +#define PFRES_STATELOCKED 15 +#elif defined(__OpenBSD__) +#define PFRES_TRANSLATE 15 +#define PFRES_NOROUTE 16 +#elif defined(__APPLE__) +#define PFRES_DUMMYNET 15 +#endif + +/* + * Action values. + */ +#define PF_PASS 0 +#define PF_DROP 1 +#define PF_SCRUB 2 +#define PF_NOSCRUB 3 +#define PF_NAT 4 +#define PF_NONAT 5 +#define PF_BINAT 6 +#define PF_NOBINAT 7 +#define PF_RDR 8 +#define PF_NORDR 9 +#define PF_SYNPROXY_DROP 10 +#if defined(__FreeBSD__) +#define PF_DEFER 11 +#elif defined(__OpenBSD__) +#define PF_DEFER 11 +#define PF_MATCH 12 +#define PF_DIVERT 13 +#define PF_RT 14 +#define PF_AFRT 15 +#elif defined(__APPLE__) +#define PF_DUMMYNET 11 +#define PF_NODUMMYNET 12 +#define PF_NAT64 13 +#define PF_NONAT64 14 +#endif + +struct pf_addr { + union { + nd_ipv4 v4; + nd_ipv6 v6; + } pfa; /* 128-bit address */ +#define v4 pfa.v4 +#define v6 pfa.v6 +}; + +struct pfloghdr { + uint8_t length; + uint8_t af; + uint8_t action; + uint8_t reason; + char ifname[PFLOG_IFNAMSIZ]; + char ruleset[PFLOG_RULESET_NAME_SIZE]; + uint32_t rulenr; + uint32_t subrulenr; + uint32_t uid; + int32_t pid; + uint32_t rule_uid; + int32_t rule_pid; + uint8_t dir; +#if defined(__OpenBSD__) + uint8_t rewritten; + uint8_t naf; + uint8_t pad[1]; +#else + uint8_t pad[3]; +#endif +#if defined(__FreeBSD__) + uint32_t ridentifier; + uint8_t reserve; + uint8_t pad2[3]; +#elif defined(__OpenBSD__) + struct pf_addr saddr; + struct pf_addr daddr; + uint16_t sport; + uint16_t dport; +#endif +}; + + + |