libnet-functions.h

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/*
 *  $Id: libnet-functions_8h_source.html,v 1.1.1.1 2013/07/22 11:54:41 misho Exp $
 *
 *  libnet-functions.h - function prototypes
 *
 *  Copyright (c) 1998 - 2004 Mike D. Schiffman <mike@infonexus.com>
 *  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.
 *
 * 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 __LIBNET_FUNCTIONS_H
#define __LIBNET_FUNCTIONS_H

libnet_t *
libnet_init(int injection_type, const char *device, char *err_buf);

void
libnet_destroy(libnet_t *l);

void
libnet_clear_packet(libnet_t *l);

void
libnet_stats(libnet_t *l, struct libnet_stats *ls);

int 
libnet_getfd(libnet_t *l);

const char *
libnet_getdevice(libnet_t *l);

uint8_t *
libnet_getpbuf(libnet_t *l, libnet_ptag_t ptag);

uint32_t
libnet_getpbuf_size(libnet_t *l, libnet_ptag_t ptag);

char *
libnet_geterror(libnet_t *l);

uint32_t
libnet_getpacket_size(libnet_t *l);

int
libnet_seed_prand(libnet_t *l);

uint32_t
libnet_get_prand(int mod);

int
libnet_toggle_checksum(libnet_t *l, libnet_ptag_t ptag, int mode);

char *
libnet_addr2name4(uint32_t in, uint8_t use_name);

uint32_t
libnet_name2addr4(libnet_t *l, char *host_name, uint8_t use_name);

extern const struct libnet_in6_addr in6addr_error;

int
libnet_in6_is_error(struct libnet_in6_addr addr);

struct libnet_in6_addr
libnet_name2addr6(libnet_t *l, const char *host_name, uint8_t use_name);

void
libnet_addr2name6_r(struct libnet_in6_addr addr, uint8_t use_name,
char *host_name, int host_name_len);

int
libnet_plist_chain_new(libnet_t *l, libnet_plist_t **plist, char *token_list);

int
libnet_plist_chain_next_pair(libnet_plist_t *plist, uint16_t *bport, 
uint16_t *eport); 

int
libnet_plist_chain_dump(libnet_plist_t *plist);

char *
libnet_plist_chain_dump_string(libnet_plist_t *plist);

int
libnet_plist_chain_free(libnet_plist_t *plist);

libnet_ptag_t
libnet_build_802_1q(const uint8_t *dst, const uint8_t *src, uint16_t tpi,
uint8_t priority, uint8_t cfi, uint16_t vlan_id, uint16_t len_proto,
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_802_1x(uint8_t eap_ver, uint8_t eap_type, uint16_t length, 
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_802_2(uint8_t dsap, uint8_t ssap, uint8_t control,
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_802_2snap(uint8_t dsap, uint8_t ssap, uint8_t control, 
uint8_t *oui, uint16_t type, const uint8_t* payload, uint32_t payload_s,
libnet_t *l, libnet_ptag_t ptag); 

libnet_ptag_t
libnet_build_802_3(const uint8_t *dst, const uint8_t *src, uint16_t len, 
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_ethernet(const uint8_t *dst, const uint8_t *src, uint16_t type, 
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_autobuild_ethernet(const uint8_t *dst, uint16_t type, libnet_t *l);

libnet_ptag_t
libnet_build_fddi(uint8_t fc, const uint8_t *dst, const uint8_t *src, uint8_t dsap,
uint8_t ssap, uint8_t cf, const uint8_t *oui, uint16_t type, const uint8_t* payload,
uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_autobuild_fddi(uint8_t fc, const uint8_t *dst, uint8_t dsap, uint8_t ssap,
uint8_t cf, const uint8_t *oui, uint16_t type, libnet_t *l);

libnet_ptag_t
libnet_build_arp(uint16_t hrd, uint16_t pro, uint8_t hln, uint8_t pln,
uint16_t op, const uint8_t *sha, const uint8_t *spa, const uint8_t *tha, const uint8_t *tpa,
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_autobuild_arp(uint16_t op, const uint8_t *sha, const uint8_t *spa, const uint8_t *tha,
uint8_t *tpa, libnet_t *l);

libnet_ptag_t
libnet_build_tcp(uint16_t sp, uint16_t dp, uint32_t seq, uint32_t ack,
uint8_t control, uint16_t win, uint16_t sum, uint16_t urg, uint16_t len, 
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_tcp_options(const uint8_t *options, uint32_t options_s, libnet_t *l,
libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_udp(uint16_t sp, uint16_t dp, uint16_t len, uint16_t sum,
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_cdp(uint8_t version, uint8_t ttl, uint16_t sum, uint16_t type,
uint16_t value_s, const uint8_t *value, const uint8_t* payload, uint32_t payload_s,
libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_icmpv4_echo(uint8_t type, uint8_t code, uint16_t sum,
uint16_t id, uint16_t seq, const uint8_t* payload, uint32_t payload_s,
libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_icmpv4_mask(uint8_t type, uint8_t code, uint16_t sum,
uint16_t id, uint16_t seq, uint32_t mask, const uint8_t* payload,
uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_icmpv4_unreach(uint8_t type, uint8_t code, uint16_t sum,
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_icmpv4_redirect(uint8_t type, uint8_t code, uint16_t sum,
uint32_t gateway, const uint8_t* payload, uint32_t payload_s, libnet_t *l,
libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_icmpv4_timeexceed(uint8_t type, uint8_t code, uint16_t sum,
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_icmpv4_timestamp(uint8_t type, uint8_t code, uint16_t sum,
uint16_t id, uint16_t seq, uint32_t otime, uint32_t rtime, uint32_t ttime,
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t libnet_build_icmpv6_echo(uint8_t type, uint8_t code, uint16_t
        sum, uint16_t id, uint16_t seq, uint8_t *payload, uint32_t payload_s,
        libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_icmpv6_unreach(uint8_t type, uint8_t code, uint16_t sum,
uint8_t *payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t libnet_build_icmpv6_ndp_nsol(uint8_t type, uint8_t code,
        uint16_t sum, struct libnet_in6_addr target, uint8_t *payload, uint32_t
        payload_s, libnet_t* l, libnet_ptag_t ptag);

libnet_ptag_t libnet_build_icmpv6_ndp_nadv(uint8_t type, uint8_t code,
        uint16_t sum, uint32_t flags, struct libnet_in6_addr target, uint8_t
        *payload, uint32_t payload_s, libnet_t* l, libnet_ptag_t ptag);

libnet_ptag_t libnet_build_icmpv6_ndp_opt(uint8_t type, uint8_t* option,
        uint32_t option_s, libnet_t* l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_igmp(uint8_t type, uint8_t reserved, uint16_t sum, uint32_t ip,
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t 
libnet_build_ipv4(uint16_t ip_len, uint8_t tos, uint16_t id, uint16_t frag,
uint8_t ttl, uint8_t prot, uint16_t sum, uint32_t src, uint32_t dst,
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t 
libnet_build_ipv4_options(const uint8_t *options, uint32_t options_s, libnet_t *l,
libnet_ptag_t ptag);

libnet_ptag_t
libnet_autobuild_ipv4(uint16_t len, uint8_t prot, uint32_t dst, libnet_t *l);

libnet_ptag_t
libnet_build_ipv6(uint8_t tc, uint32_t fl, uint16_t len, uint8_t nh,
uint8_t hl, struct libnet_in6_addr src, struct libnet_in6_addr dst, 
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_ipv6_frag(uint8_t nh, uint8_t reserved, uint16_t frag,
uint32_t id, const uint8_t* payload, uint32_t payload_s, libnet_t *l,
libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_ipv6_routing(uint8_t nh, uint8_t len, uint8_t rtype,
uint8_t segments, const uint8_t* payload, uint32_t payload_s, libnet_t *l,
libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_ipv6_destopts(uint8_t nh, uint8_t len, const uint8_t* payload,
uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_ipv6_hbhopts(uint8_t nh, uint8_t len, const uint8_t* payload,
uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_autobuild_ipv6(uint16_t len, uint8_t nh, struct libnet_in6_addr dst,
libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_isl(uint8_t *dhost, uint8_t type, uint8_t user,
uint8_t *shost, uint16_t len, const uint8_t *snap, uint16_t vid,
uint16_t portindex, uint16_t reserved, const uint8_t* payload,
uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_ipsec_esp_hdr(uint32_t spi, uint32_t seq, uint32_t iv,
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_ipsec_esp_ftr(uint8_t len, uint8_t nh, int8_t *auth,
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_ipsec_ah(uint8_t nh, uint8_t len, uint16_t res,
uint32_t spi, uint32_t seq, uint32_t auth, const uint8_t* payload,
uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_dnsv4(uint16_t h_len, uint16_t id, uint16_t flags,
uint16_t num_q, uint16_t num_anws_rr, uint16_t num_auth_rr,
uint16_t num_addi_rr, const uint8_t* payload, uint32_t payload_s, libnet_t *l,
libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_rip(uint8_t cmd, uint8_t version, uint16_t rd, uint16_t af,
uint16_t rt, uint32_t addr, uint32_t mask, uint32_t next_hop,
uint32_t metric, const uint8_t* payload, uint32_t payload_s, libnet_t *l,
libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_rpc_call(uint32_t rm, uint32_t xid, uint32_t prog_num,
uint32_t prog_vers, uint32_t procedure, uint32_t cflavor, uint32_t clength,
uint8_t *cdata, uint32_t vflavor, uint32_t vlength, const uint8_t *vdata,
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_stp_conf(uint16_t id, uint8_t version, uint8_t bpdu_type,
uint8_t flags, const uint8_t *root_id, uint32_t root_pc, const uint8_t *bridge_id,
uint16_t port_id, uint16_t message_age, uint16_t max_age, 
uint16_t hello_time, uint16_t f_delay, const uint8_t* payload,
uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_stp_tcn(uint16_t id, uint8_t version, uint8_t bpdu_type,
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_token_ring(uint8_t ac, uint8_t fc, const uint8_t *dst, const uint8_t *src,
uint8_t dsap, uint8_t ssap, uint8_t cf, const uint8_t *oui, uint16_t type,
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_autobuild_token_ring(uint8_t ac, uint8_t fc, const uint8_t *dst, 
uint8_t dsap, uint8_t ssap, uint8_t cf, const uint8_t *oui, uint16_t type,
libnet_t *l);

libnet_ptag_t
libnet_build_vrrp(uint8_t version, uint8_t type, uint8_t vrouter_id,
uint8_t priority, uint8_t ip_count, uint8_t auth_type, uint8_t advert_int,
uint16_t sum, const uint8_t* payload, uint32_t payload_s, libnet_t *l,
libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_mpls(uint32_t label, uint8_t experimental, uint8_t bos,
uint8_t ttl, const uint8_t* payload, uint32_t payload_s, libnet_t *l,
libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_ntp(uint8_t leap_indicator, uint8_t version, uint8_t mode,
uint8_t stratum, uint8_t poll, uint8_t precision, uint16_t delay_int,
uint16_t delay_frac, uint16_t dispersion_int, uint16_t dispersion_frac,
uint32_t reference_id, uint32_t ref_ts_int, uint32_t ref_ts_frac,
uint32_t orig_ts_int, uint32_t orig_ts_frac, uint32_t rec_ts_int,
uint32_t rec_ts_frac, uint32_t xmt_ts_int, uint32_t xmt_ts_frac,
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_ospfv2(uint16_t len, uint8_t type, uint32_t rtr_id,
uint32_t area_id, uint16_t sum, uint16_t autype, const uint8_t* payload,
uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_ospfv2_hello(uint32_t netmask, uint16_t interval, uint8_t opts,
uint8_t priority, uint dead_int, uint32_t des_rtr, uint32_t bkup_rtr,
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);
 
libnet_ptag_t
libnet_build_ospfv2_dbd(uint16_t dgram_len, uint8_t opts, uint8_t type,
uint seqnum, const uint8_t* payload, uint32_t payload_s, libnet_t *l,
libnet_ptag_t ptag);
 
libnet_ptag_t
libnet_build_ospfv2_lsr(uint type, uint lsid, uint32_t advrtr,
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);
 
libnet_ptag_t
libnet_build_ospfv2_lsu(uint num, const uint8_t* payload, uint32_t payload_s,
libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_ospfv2_lsa(uint16_t age, uint8_t opts, uint8_t type,
uint lsid, uint32_t advrtr, uint seqnum, uint16_t sum, uint16_t len,
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);
 
libnet_ptag_t
libnet_build_ospfv2_lsa_rtr(uint16_t flags, uint16_t num, uint id,
uint data, uint8_t type, uint8_t tos, uint16_t metric, const uint8_t* payload,
uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);
 
libnet_ptag_t
libnet_build_ospfv2_lsa_net(uint32_t nmask, uint rtrid, const uint8_t* payload,
uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);
 
libnet_ptag_t
libnet_build_ospfv2_lsa_sum(uint32_t nmask, uint metric, uint tos,
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);
 
libnet_ptag_t
libnet_build_ospfv2_lsa_as(uint32_t nmask, uint metric, uint32_t fwdaddr,
uint tag, const uint8_t* payload, uint32_t payload_s, libnet_t *l,
libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_data(const uint8_t* payload, uint32_t payload_s, libnet_t *l,
libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_dhcpv4(uint8_t opcode, uint8_t htype, uint8_t hlen,
uint8_t hopcount, uint32_t xid, uint16_t secs, uint16_t flags,
uint32_t cip, uint32_t yip,  uint32_t sip, uint32_t gip, const uint8_t *chaddr,
const char *sname, const char *file, const uint8_t* payload, uint32_t payload_s, 
libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_bootpv4(uint8_t opcode, uint8_t htype, uint8_t hlen,
uint8_t hopcount, uint32_t xid, uint16_t secs, uint16_t flags,
uint32_t cip, uint32_t yip,  uint32_t sip, uint32_t gip, const uint8_t *chaddr,
const char *sname, const char *file, const uint8_t* payload, uint32_t payload_s, 
libnet_t *l, libnet_ptag_t ptag);

uint32_t
libnet_getgre_length(uint16_t fv);

libnet_ptag_t
libnet_build_gre(uint16_t fv, uint16_t type, uint16_t sum,
uint16_t offset, uint32_t key, uint32_t seq, uint16_t len,
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_egre(uint16_t fv, uint16_t type, uint16_t sum,
uint16_t offset, uint32_t key, uint32_t seq, uint16_t len,
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_gre_sre(uint16_t af, uint8_t offset, uint8_t length,
uint8_t *routing, const uint8_t* payload, uint32_t payload_s, libnet_t *l,
libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_gre_last_sre(libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_bgp4_header(uint8_t marker[LIBNET_BGP4_MARKER_SIZE],
uint16_t len, uint8_t type, const uint8_t* payload, uint32_t payload_s,
libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_bgp4_open(uint8_t version, uint16_t src_as, uint16_t hold_time,
uint32_t bgp_id, uint8_t opt_len, const uint8_t* payload, uint32_t payload_s,
libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_bgp4_update(uint16_t unfeasible_rt_len, const uint8_t *withdrawn_rt,
uint16_t total_path_attr_len, const uint8_t *path_attributes, uint16_t info_len,
uint8_t *reachability_info, const uint8_t* payload, uint32_t payload_s,
libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_bgp4_notification(uint8_t err_code, uint8_t err_subcode,
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_sebek(uint32_t magic, uint16_t version, uint16_t type, 
uint32_t counter, uint32_t time_sec, uint32_t time_usec, uint32_t pid,
uint32_t uid, uint32_t fd, uint8_t cmd[SEBEK_CMD_LENGTH], uint32_t length, 
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_hsrp(uint8_t version, uint8_t opcode, uint8_t state, 
uint8_t hello_time, uint8_t hold_time, uint8_t priority, uint8_t group,
uint8_t reserved, uint8_t authdata[HSRP_AUTHDATA_LENGTH], uint32_t virtual_ip,
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_build_link(const uint8_t *dst, const uint8_t *src, const uint8_t *oui, uint16_t type, 
const uint8_t* payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag);

libnet_ptag_t
libnet_autobuild_link(const uint8_t *dst, const uint8_t *oui, uint16_t type,
libnet_t *l);

int
libnet_write(libnet_t *l);

uint32_t
libnet_get_ipaddr4(libnet_t *l);

struct libnet_in6_addr
libnet_get_ipaddr6(libnet_t *l);

struct libnet_ether_addr *
libnet_get_hwaddr(libnet_t *l);

uint8_t *
libnet_hex_aton(const char *s, int *len);

const char *
libnet_version(void);

int
libnet_adv_cull_packet(libnet_t *l, uint8_t **packet, uint32_t *packet_s);

int
libnet_adv_cull_header(libnet_t *l, libnet_ptag_t ptag, uint8_t **header,
uint32_t *header_s);

int
libnet_adv_write_link(libnet_t *l, const uint8_t *packet, uint32_t packet_s);

int
libnet_adv_write_raw_ipv4(libnet_t *l, const uint8_t *packet, uint32_t packet_s);

void
libnet_adv_free_packet(libnet_t *l, uint8_t *packet);

int 
libnet_cq_add(libnet_t *l, char *label);

libnet_t *
libnet_cq_remove(libnet_t *l);

libnet_t *
libnet_cq_remove_by_label(char *label);
 
const char *
libnet_cq_getlabel(libnet_t *l);
 
libnet_t *
libnet_cq_find_by_label(char *label);
  
void
libnet_cq_destroy(void);

libnet_t *
libnet_cq_head(void);

int
libnet_cq_last(void);

libnet_t *
libnet_cq_next(void);

uint32_t
libnet_cq_size(void);

uint32_t
libnet_cq_end_loop(void);

void
libnet_diag_dump_context(libnet_t *l);

void
libnet_diag_dump_pblock(libnet_t *l);

char *
libnet_diag_dump_pblock_type(uint8_t type);

void
libnet_diag_dump_hex(const uint8_t *packet, uint32_t len, int swap, FILE *stream);

/*
 * [Internal] 
 */
int
libnet_write_raw_ipv4(libnet_t *l, const uint8_t *packet, uint32_t size);

/*
 * [Internal] 
 */
int
libnet_write_raw_ipv6(libnet_t *l, const uint8_t *packet, uint32_t size);

/*
 * [Internal] 
 */
int
libnet_write_link(libnet_t *l, const uint8_t *packet, uint32_t size);

#if ((__WIN32__) && !(__CYGWIN__))
/*
 * [Internal] 
 */
SOCKET
libnet_open_raw4(libnet_t *l);
#else
/*
 * [Internal] 
 */
int
libnet_open_raw4(libnet_t *l);
#endif

/*
 * [Internal] 
 */
int
libnet_close_raw4(libnet_t *l);

/*
 * [Internal] 
 */
int
libnet_open_raw6(libnet_t *l);
       
/*
 * [Internal] 
 */
int
libnet_close_raw6(libnet_t *l);

/*
 * [Internal] 
 */
int
libnet_select_device(libnet_t *l);

/*
 * [Internal] 
 */
int
libnet_open_link(libnet_t *l);

/*
 * [Internal] 
 */
int
libnet_close_link(libnet_t *l);

/*
 * [Internal]
 *   THIS FUNCTION IS BROKEN. IT WILL SEGFAULT OR CORRUPT MEMORY, OR JUST SILENTLY DO THE
 *   WRONG THING IF NOT CALLED CORRECTLY, AND CALLING IT CORRECTLY IS UNDOCUMENTED, AND
 *   ALMOST IMPOSSIBLE. YOU HAVE BEEN WARNED.
 */
int
libnet_do_checksum(libnet_t *l, uint8_t *iphdr, int protocol, int h_len);

/* Calculate internet checksums.
 *
 * IP (TCP, UDP, IGMP, ICMP, etc...) checksums usually need information from
 * the IP header to construct the "pseudo header", this function takes a
 * pointer to that header, the buffer boundaries, the "h_len" (see pblock_t for
 * a description, it is increasinly unused, though, and I'm trying to remove it
 * altogether), and the protocol number for the protocol that is to be
 * checksummed.
 *
 * Finding that protocol requires that the IP header be well-formed... so this
 * won't work well for invalid packets. But then, what is the valid checksum
 * for a valid packet, anyhow?
 *
 * This doesn't work well for non-inet checksums, sorry, that's an original design
 * flaw. pblock_t needs a pointer in it, to a packet assembly function that can be
 * called at runtime to do assembly and checksumming.
 */
int
libnet_inet_checksum(libnet_t *l, uint8_t *iphdr, int protocol, int h_len, const uint8_t *beg, const uint8_t * end);

/*
 * [Internal] 
 */
uint32_t
libnet_compute_crc(uint8_t *buf, uint32_t len);

/*
 * [Internal] 
 */
uint16_t
libnet_ip_check(uint16_t *addr, int len);

/*
 * [Internal] 
 */
int
libnet_in_cksum(uint16_t *addr, int len);

/*
 * [Internal] 
 * If ptag is 0, function will create a pblock for the protocol unit type,
 * append it to the list and return a pointer to it.  If ptag is not 0,
 * function will search the pblock list for the specified protocol block 
 * and return a pointer to it.
 */
libnet_pblock_t *
libnet_pblock_probe(libnet_t *l, libnet_ptag_t ptag, uint32_t b_len, 
uint8_t type);

/*
 * [Internal] 
 * Function creates the pblock list if l->protocol_blocks == NULL or appends
 * an entry to the doubly linked list.
 */
libnet_pblock_t *
libnet_pblock_new(libnet_t *l, uint32_t b_len);

/*
 * [Internal] 
 * Function swaps two pblocks in memory.
 */
int
libnet_pblock_swap(libnet_t *l, libnet_ptag_t ptag1, libnet_ptag_t ptag2);

/*
 * [Internal] 
 * Function inserts ptag2 before ptag1 in the doubly linked list.
 */
int
libnet_pblock_insert_before(libnet_t *l, libnet_ptag_t ptag1,
libnet_ptag_t ptag2);

/*
 * [Internal] 
 * Function removes a pblock from context 
 */
void
libnet_pblock_delete(libnet_t *l, libnet_pblock_t *p);

/*
 * [Internal] 
 * Function updates the pblock meta-inforation.  Internally it updates the
 * ptag with a monotonically increasing variable kept in l.  This way each
 * pblock has a succesively increasing ptag identifier.
 */
libnet_ptag_t
libnet_pblock_update(libnet_t *l, libnet_pblock_t *p, uint32_t h, uint8_t type);


/*
 * [Internal] 
 * Function locates a given block by it's ptag. 
 */
libnet_pblock_t *
libnet_pblock_find(libnet_t *l, libnet_ptag_t ptag);

/*
 * [Internal] 
 * Function copies protocol block data over.
 */
int
libnet_pblock_append(libnet_t *l, libnet_pblock_t *p, const void *buf, uint32_t len);

/*
 * [Internal] 
 * Function sets pblock flags.
 */
void
libnet_pblock_setflags(libnet_pblock_t *p, uint8_t flags);

/*
 * [Internal] 
 * Function returns the protocol number for the protocol block type.  If
 * the type is unknown, the function defaults to returning IPPROTO_IP.
 */
int
libnet_pblock_p2p(uint8_t type);

/*
 * [Internal] 
 * Function assembles the protocol blocks into a packet, checksums are
 * calculated if that was requested.
 */
int
libnet_pblock_coalesce(libnet_t *l, uint8_t **packet, uint32_t *size);

#if !(__WIN32__)
/*
 * [Internal] 
 * By testing if we can retrieve the FLAGS of an iface
 * we can know if it exists or not and if it is up.
 */
int
libnet_check_iface(libnet_t *l);
#endif

#if defined(__WIN32__)
/*
 * [Internal] 
 */
BYTE *
libnet_win32_get_remote_mac(libnet_t *l, DWORD IP);

/*
 * [Internal] 
 */
int
libnet_close_link_interface(libnet_t *l);

/*
 * [Internal] 
 */
BYTE * 
libnet_win32_read_arp_table(DWORD IP);
#endif
#endif  /* __LIBNET_FUNCTIONS_H */

/* EOF */