spoof.c File Reference

functions to spoof/forge network packets More...

#include "spoof.h"
#include "spoof_private.h"
#include <libnet.h>
#include "debug.h"
#include "peerdef.h"

Go to the source code of this file.

Functions
errorcode	spoof (tcp_packet_info_t *tcp_hdr, char *device, void *payload, unsigned long payload_len, short ttl)
	spoofs a tcp packet

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Detailed Description

functions to spoof/forge network packets

Author:

Daniel Ferullo (ferullo@cmu.edu)

Definition in file spoof.c.

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Function Documentation

errorcode spoof (  tcp_packet_info_t *  tcp_hdr, char *  device, void *  payload, unsigned long  payload_len, short  ttl )

spoofs a tcp packet Parameters: tcp_hdr  the tcp_packet_info_t with the essential information to spoof * a tcp packet based on. device  the device to spoof on payload  pointer to the payload of the packet. if NULL then no payload payload_len  the length of the payload ttl  the TTL to use on the spoofed packets Returns: SUCCESS, errorcode on failure Definition at line 31 of file spoof.c. References tcp_packet_info::ack_flag, tcp_packet_info::ack_num, CHECK_NOT_NULL, tcp_packet_info::d_addr, tcp_packet_info::d_port, DBG_SPOOF, DEBUG, ERROR_NULL_ARG_1, ERROR_NULL_ARG_2, errorcode, PORT_2HBO, tcp_packet_info::s_addr, tcp_packet_info::s_port, tcp_packet_info::seq_num, SEQ_NUM_2HBO, tcp_packet_info::syn_flag, tcp_packet_info_t, tcp_packet_info::window, and WINDOW_2HBO. Referenced by flood_syns(), peer_fsm_forge_syn_ack(), and synack_flood().

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