libnet-headers.h

tcp数据流重放工具

#define LIBNET_DHCP_STATICROUTE     0x21
#define LIBNET_DHCP_TRAILERENCAP    0x22
#define LIBNET_DHCP_ARPTIMEOUT      0x23
#define LIBNET_DHCP_ETHERENCAP      0x24
#define LIBNET_DHCP_TCPTTL          0x25
#define LIBNET_DHCP_TCPKEEPALIVE    0x26
#define LIBNET_DHCP_TCPALIVEGARBAGE 0x27
#define LIBNET_DHCP_NISDOMAIN       0x28
#define LIBNET_DHCP_NISSERVERS      0x29
#define LIBNET_DHCP_NISTIMESERV     0x2a
#define LIBNET_DHCP_VENDSPECIFIC    0x2b
#define LIBNET_DHCP_NBNS            0x2c
#define LIBNET_DHCP_NBDD            0x2d
#define LIBNET_DHCP_NBTCPIP         0x2e
#define LIBNET_DHCP_NBTCPSCOPE      0x2f
#define LIBNET_DHCP_XFONT           0x30
#define LIBNET_DHCP_XDISPLAYMGR     0x31
#define LIBNET_DHCP_DISCOVERADDR    0x32
#define LIBNET_DHCP_LEASETIME       0x33
#define LIBNET_DHCP_OPTIONOVERLOAD  0x34
#define LIBNET_DHCP_MESSAGETYPE     0x35
#define LIBNET_DHCP_SERVIDENT       0x36
#define LIBNET_DHCP_PARAMREQUEST    0x37
#define LIBNET_DHCP_MESSAGE         0x38
#define LIBNET_DHCP_MAXMSGSIZE      0x39
#define LIBNET_DHCP_RENEWTIME       0x3a
#define LIBNET_DHCP_REBINDTIME      0x3b
#define LIBNET_DHCP_CLASSSID        0x3c
#define LIBNET_DHCP_CLIENTID        0x3d
#define LIBNET_DHCP_NISPLUSDOMAIN   0x40
#define LIBNET_DHCP_NISPLUSSERVERS  0x41
#define LIBNET_DHCP_MOBILEIPAGENT   0x44
#define LIBNET_DHCP_SMTPSERVER      0x45
#define LIBNET_DHCP_POP3SERVER      0x46
#define LIBNET_DHCP_NNTPSERVER      0x47
#define LIBNET_DHCP_WWWSERVER       0x48
#define LIBNET_DHCP_FINGERSERVER    0x49
#define LIBNET_DHCP_IRCSERVER       0x4a
#define LIBNET_DHCP_STSERVER        0x4b
#define LIBNET_DHCP_STDASERVER      0x4c
#define LIBNET_DHCP_END             0xff

#define LIBNET_DHCP_MSGDISCOVER     0x01
#define LIBNET_DHCP_MSGOFFER        0x02
#define LIBNET_DHCP_MSGREQUEST      0x03
#define LIBNET_DHCP_MSGDECLINE      0x04
#define LIBNET_DHCP_MSGACK          0x05
#define LIBNET_DHCP_MSGNACK         0x06
#define LIBNET_DHCP_MSGRELEASE      0x07
#define LIBNET_DHCP_MSGINFORM       0x08
};


/*
 *  Base DNSv4 header
 *  Domain Name System
 *  Base header size: 12/14 bytes
 */
struct libnet_dnsv4_hdr
{
    u_int16_t h_len;          /* length of the packet - only used with TCP */
    u_int16_t id;             /* DNS packet ID */
    u_int16_t flags;          /* DNS flags */
    u_int16_t num_q;          /* Number of questions */
    u_int16_t num_answ_rr;    /* Number of answer resource records */
    u_int16_t num_auth_rr;    /* Number of authority resource records */
    u_int16_t num_addi_rr;    /* Number of additional resource records */
};


/*
 *  Ethernet II header
 *  Static header size: 14 bytes
 */
struct libnet_ethernet_hdr
{
    u_int8_t  ether_dhost[ETHER_ADDR_LEN];/* destination ethernet address */
    u_int8_t  ether_shost[ETHER_ADDR_LEN];/* source ethernet address */
    u_int16_t ether_type;                 /* protocol */
};

#ifndef ETHERTYPE_PUP
#define ETHERTYPE_PUP           0x0200  /* PUP protocol */
#endif
#ifndef ETHERTYPE_IP
#define ETHERTYPE_IP            0x0800  /* IP protocol */
#endif
#ifndef ETHERTYPE_ARP
#define ETHERTYPE_ARP           0x0806  /* addr. resolution protocol */
#endif
#ifndef ETHERTYPE_REVARP
#define ETHERTYPE_REVARP        0x8035  /* reverse addr. resolution protocol */
#endif
#ifndef ETHERTYPE_VLAN
#define ETHERTYPE_VLAN          0x8100  /* IEEE 802.1Q VLAN tagging */
#endif
#ifndef ETHERTYPE_EAP
#define ETHERTYPE_EAP           0x888e  /* IEEE 802.1X EAP authentication */
#endif
#ifndef ETHERTYPE_MPLS
#define ETHERTYPE_MPLS          0x8847  /* MPLS */
#endif
#ifndef ETHERTYPE_LOOPBACK
#define ETHERTYPE_LOOPBACK      0x9000  /* used to test interfaces */
#endif

struct libnet_ether_addr
{
    u_int8_t  ether_addr_octet[6];        /* Ethernet address */
};

/*
 *  Fiber Distributed Data Interface header
 *
 *  Static header size: 21 bytes (LLC and 48-bit address addr only)
 *
 *  Note: Organization field is 3 bytes which throws off the
 *        alignment of type.  Therefore fddi_type (19 bytes in) 
 *        is specified as two u_int8_ts.
 */
struct libnet_fddi_hdr
{
    u_int8_t  fddi_frame_control;                      /* Class/Format/Priority */
#define LIBNET_FDDI_LLC_FRAME  0x10
#define LIBNET_FDDI_48BIT_ADDR 0x40
#define LIBNET_FDDI_FC_REQD    LIBNET_FDDI_LLC_FRAME | LIBNET_FDDI_48BIT_ADDR 
    u_int8_t  fddi_dhost[FDDI_ADDR_LEN];               /* destination fddi address */
    u_int8_t  fddi_shost[FDDI_ADDR_LEN];               /* source fddi address */
    u_int8_t  fddi_llc_dsap;                           /* DSAP */
    u_int8_t  fddi_llc_ssap;                           /* SSAP */
    u_int8_t  fddi_llc_control_field;                  /* Class/Format/Priority */
    u_int8_t  fddi_llc_org_code[LIBNET_ORG_CODE_SIZE]; /* Organization Code 3-bytes */
    u_int8_t  fddi_type;                               /* Protocol Type */
    u_int8_t  fddi_type1;                              /* see note above. */
#define FDDI_TYPE_IP            0x0800  /* IP protocol */
#define FDDI_TYPE_ARP           0x0806  /* addr. resolution protocol */
#define FDDI_TYPE_REVARP        0x8035  /* reverse addr. resolution protocol */
};


struct libnet_fddi_addr
{
    u_int8_t  fddi_addr_octet[6];        /* FDDI address */
};


/*
 * GRE header - RFC 1701 & 2637
 * Generic Routing Encapsulation (GRE) 
 * Base header size: 4 bytes
 */
struct libnet_gre_hdr
{
    u_int16_t flags_ver;
#define GRE_CSUM	                        0x8000
#define GRE_ROUTING	                        0x4000
#define GRE_KEY		                        0x2000
#define GRE_SEQ		                        0x1000
#define GRE_STRICT	                        0x0800
#define GRE_REC		                        0x0700
#define GRE_ACK		                        0x0080

#define GRE_FLAGS_MASK	                        0x00F8
#define GRE_VERSION_MASK                        0x0007

#define GRE_VERSION_0                           0x0000
#define GRE_VERSION_1                           0x0001

    u_int16_t type;
#define GRE_SNA                                 0x0004
#define GRE_OSI_NETWORK_LAYER                   0x00FE
#define GRE_PUP                                 0x0200
#define GRE_XNS                                 0x0600
#define GRE_IP                                  0x0800
#define GRE_CHAOS                               0x0804
#define GRE_RFC_826_ARP                         0x0806
#define GRE_FRAME_RELAY_ARP                     0x0808
#define GRE_VINES                               0x0BAD
#define GRE_VINES_ECHO                          0x0BAE
#define GRE_VINES_LOOPBACK                      0x0BAF
#define GRE_DECNET                              0x6003
#define GRE_TRANSPARENT_ETHERNET_BRIDGING       0x6558
#define GRE_RAW_FRAME_RELAY                     0x6559
#define GRE_APOLLO_DOMAIN                       0x8019
#define GRE_ETHERTALK                           0x809B
#define GRE_NOVELL_IPX                          0x8137
#define GRE_RFC_1144_TCP_IP_COMPRESSION         0x876B
#define GRE_IP_AUTONOMOUS_SYSTEMS               0x876C
#define GRE_SECURE_DATA                         0x876D
#define GRE_PPP                                 0x880b /* taken from RFC 2637 */

    union {
	struct {
	    u_int16_t checksum;  /* optional */
	    u_int16_t offset;    /* optional */
	    u_int32_t key;        /* optional */
	    u_int32_t seq;        /* optional */
	} _gre;

	struct {
	    u_int16_t payload_s; /* optional */
	    u_int16_t callID;    /* optional */
	    u_int32_t seq;        /* optional */
	    u_int32_t ack;        /* optional */
	} _egre;
    }_data;

#define gre_checksum _data._gre.checksum
#define gre_offset _data._gre.offset
#define gre_key _data._gre.key
#define gre_seq _data._gre.seq

#define egre_payload_s _data._egre.payload_s
#define egre_callID _data._egre.callID
#define egre_seq _data._egre.seq
#define egre_ack _data._egre.ack
};


#ifndef IPPROTO_GRE
#define IPPROTO_GRE 47
#endif

/*
 * Source Route Entries (SRE)
 * This is used for GRE as the Routing field is a list of SREs - RFC 1701
 * Base header size: 4 bytes
 */
struct libnet_gre_sre_hdr
{
    u_int16_t af;  /* address familly */
    u_int8_t sre_offset;
    u_int8_t sre_length;
    u_int8_t *routing;
};


/*
 *  IPv4 header
 *  Internet Protocol, version 4
 *  Static header size: 20 bytes
 */
struct libnet_ipv4_hdr
{
#if (LIBNET_LIL_ENDIAN)
    u_int8_t ip_hl:4,        /* header length */
           ip_v:4;         /* version */
#endif
#if (LIBNET_BIG_ENDIAN)
    u_int8_t ip_v:4,         /* version */
           ip_hl:4;        /* header length */
#endif
    u_int8_t ip_tos;          /* type of service */
#ifndef IPTOS_LOWDELAY
#define IPTOS_LOWDELAY      0x10
#endif
#ifndef IPTOS_THROUGHPUT
#define IPTOS_THROUGHPUT    0x08
#endif
#ifndef IPTOS_RELIABILITY
#define IPTOS_RELIABILITY   0x04
#endif
#ifndef IPTOS_LOWCOST
#define IPTOS_LOWCOST       0x02
#endif
    u_int16_t ip_len;         /* total length */
    u_int16_t ip_id;          /* identification */
    u_int16_t ip_off;
#ifndef IP_RF
#define IP_RF 0x8000        /* reserved fragment flag */
#endif
#ifndef IP_DF
#define IP_DF 0x4000        /* dont fragment flag */
#endif
#ifndef IP_MF
#define IP_MF 0x2000        /* more fragments flag */
#endif 
#ifndef IP_OFFMASK
#define IP_OFFMASK 0x1fff   /* mask for fragmenting bits */
#endif
    u_int8_t ip_ttl;          /* time to live */
    u_int8_t ip_p;            /* protocol */
    u_int16_t ip_sum;         /* checksum */
    struct in_addr ip_src, ip_dst; /* source and dest address */
};

/*
 *  IP options
 */
#ifndef IPOPT_EOL
#define IPOPT_EOL       0   /* end of option list */
#endif
#ifndef IPOPT_NOP
#define IPOPT_NOP       1   /* no operation */
#endif   
#ifndef IPOPT_RR
#define IPOPT_RR        7   /* record packet route */
#endif
#ifndef IPOPT_TS
#define IPOPT_TS        68  /* timestamp */
#endif
#ifndef IPOPT_SECURITY
#define IPOPT_SECURITY  130 /* provide s,c,h,tcc */   
#endif
#ifndef IPOPT_LSRR
#define IPOPT_LSRR      131 /* loose source route */
#endif
#ifndef IPOPT_SATID
#define IPOPT_SATID     136 /* satnet id */
#endif
#ifndef IPOPT_SSRR
#define IPOPT_SSRR      137 /* strict source route */
#endif

struct libnet_in6_addr
{
    union
    {
        u_int8_t   __u6_addr8[16];
        u_int16_t  __u6_addr16[8];
        u_int32_t   __u6_addr32[4];
    } __u6_addr;            /* 128-bit IP6 address */
};
#define libnet_s6_addr __u6_addr.__u6_addr8
 

/*
 *  IPv6 header
 *  Internet Protocol, version 6
 *  Static header size: 40 bytes
 */
struct libnet_ipv6_hdr
{
    u_int8_t ip_flags[4];     /* version, traffic class, flow label */
    u_int16_t ip_len;         /* total length */
    u_int8_t ip_nh;           /* next header */
    u_int8_t ip_hl;           /* hop limit */
    struct libnet_in6_addr ip_src, ip_dst; /* source and dest address */

};

/*
 *  ICMP6 header
 *  Internet Control Message Protocol v6
 *  Base header size: 8 bytes
 */
#ifndef IPPROTO_ICMP6
#define IPPROTO_ICMP6   0x3a
#endif
struct libnet_icmpv6_hdr
{
    u_int8_t icmp_type;       /* ICMP type */
#ifndef ICMP6_ECHO
#define ICMP6_ECHO          128
#endif
#ifndef ICMP6_ECHOREPLY
#define ICMP6_ECHOREPLY     129
#endif
#ifndef ICMP6_UNREACH
#define ICMP6_UNREACH       1
#endif
#ifndef ICMP6_PKTTOOBIG
#define ICMP6_PKTTOOBIG     2
#endif
#ifndef ICMP6_TIMXCEED
#define ICMP6_TIMXCEED      3
#endif
#ifndef ICMP6_PARAMPROB
#define ICMP6_PARAMPROB     4
#endif
    u_int8_t icmp_code;       /* ICMP code */
    u_int16_t icmp_sum;       /* ICMP Checksum */
    u_int16_t id;             /* ICMP id */
    u_int16_t seq;            /* ICMP sequence number */
};



/*
 *  ICMP header
 *  Internet Control Message Protocol
 *  Base header size: 4 bytes
 */
struct libnet_icmpv4_hdr
{
    u_int8_t icmp_type;       /* ICMP type */
#ifndef     ICMP_ECHOREPLY
#define     ICMP_ECHOREPLY                  0
#endif
#ifndef     ICMP_UNREACH
#define     ICMP_UNREACH                    3
#endif