diff options
Diffstat (limited to 'freebsd/contrib/libpcap/pcap/nflog.h')
| -rw-r--r-- | freebsd/contrib/libpcap/pcap/nflog.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/freebsd/contrib/libpcap/pcap/nflog.h b/freebsd/contrib/libpcap/pcap/nflog.h new file mode 100644 index 00000000..a3867cdd --- /dev/null +++ b/freebsd/contrib/libpcap/pcap/nflog.h @@ -0,0 +1,92 @@ +/* + * Copyright (c) 2013, Petar Alilovic, + * Faculty of Electrical Engineering and Computing, University of Zagreb + * All rights reserved + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. + */ + +#ifndef lib_pcap_nflog_h +#define lib_pcap_nflog_h + +/* + * Structure of an NFLOG header and TLV parts, as described at + * http://www.tcpdump.org/linktypes/LINKTYPE_NFLOG.html + * + * The NFLOG header is big-endian. + * + * The TLV length and type are in host byte order. The value is either + * big-endian or is an array of bytes in some externally-specified byte + * order (text string, link-layer address, link-layer header, packet + * data, etc.). + */ +typedef struct nflog_hdr { + u_int8_t nflog_family; /* address family */ + u_int8_t nflog_version; /* version */ + u_int16_t nflog_rid; /* resource ID */ +} nflog_hdr_t; + +typedef struct nflog_tlv { + u_int16_t tlv_length; /* tlv length */ + u_int16_t tlv_type; /* tlv type */ + /* value follows this */ +} nflog_tlv_t; + +typedef struct nflog_packet_hdr { + u_int16_t hw_protocol; /* hw protocol */ + u_int8_t hook; /* netfilter hook */ + u_int8_t pad; /* padding to 32 bits */ +} nflog_packet_hdr_t; + +typedef struct nflog_hwaddr { + u_int16_t hw_addrlen; /* address length */ + u_int16_t pad; /* padding to 32-bit boundary */ + u_int8_t hw_addr[8]; /* address, up to 8 bytes */ +} nflog_hwaddr_t; + +typedef struct nflog_timestamp { + u_int64_t sec; + u_int64_t usec; +} nflog_timestamp_t; + +/* + * TLV types. + */ +#define NFULA_PACKET_HDR 1 /* nflog_packet_hdr_t */ +#define NFULA_MARK 2 /* packet mark from skbuff */ +#define NFULA_TIMESTAMP 3 /* nflog_timestamp_t for skbuff's time stamp */ +#define NFULA_IFINDEX_INDEV 4 /* ifindex of device on which packet received (possibly bridge group) */ +#define NFULA_IFINDEX_OUTDEV 5 /* ifindex of device on which packet transmitted (possibly bridge group) */ +#define NFULA_IFINDEX_PHYSINDEV 6 /* ifindex of physical device on which packet received (not bridge group) */ +#define NFULA_IFINDEX_PHYSOUTDEV 7 /* ifindex of physical device on which packet transmitted (not bridge group) */ +#define NFULA_HWADDR 8 /* nflog_hwaddr_t for hardware address */ +#define NFULA_PAYLOAD 9 /* packet payload */ +#define NFULA_PREFIX 10 /* text string - null-terminated, count includes NUL */ +#define NFULA_UID 11 /* UID owning socket on which packet was sent/received */ +#define NFULA_SEQ 12 /* sequence number of packets on this NFLOG socket */ +#define NFULA_SEQ_GLOBAL 13 /* sequence number of pakets on all NFLOG sockets */ +#define NFULA_GID 14 /* GID owning socket on which packet was sent/received */ +#define NFULA_HWTYPE 15 /* ARPHRD_ type of skbuff's device */ +#define NFULA_HWHEADER 16 /* skbuff's MAC-layer header */ +#define NFULA_HWLEN 17 /* length of skbuff's MAC-layer header */ + +#endif |