SRC/pcicmp.h File Reference

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Detailed Description

Definition in file pcicmp.h.

Go to the source code of this file.

Data Structures
struct	ICMP_unused
struct	ICMP_pointer
struct	ICMP_ip
struct	ICMP_echo
struct	ICMP_timestamp
struct	ICMP_info
struct	ICMP_addr_mask
struct	ICMP_traceroute
struct	ICMP_needfrag
union	ICMP_PKT
struct	ping_pkt
Typedefs
typedef ICMP_PKT	ICMP_PKT
Functions
W32_FUNC DWORD	_chk_ping (DWORD host, DWORD *ping_num)
	Check for ICMP echo reply in ping-cache.
void	icmp_handler (const in_Header *ip, BOOL broadcast)
	Handler for incoming ICMP packets.
void	icmp_doredirect (const char *value)
	Determine which protocols we shall act upon when ICMP redirect is received.
int	icmp_send_timexceed (const in_Header *ip, const void *mac_dest)
	Send an "ICMP Time Exceeded" (reassebly timeout) back to 'ip->source'.
int	icmp_send_unreach (const in_Header *ip, int code)
	Send an ICMP destination/protocol unreachable back to 'ip->source'.
int	icmp_send_mask_req (void)
Variables
const char *	icmp_type_str [ICMP_MAXTYPE+1]
const char *	icmp_unreach_str [16]
const char *	icmp_redirect_str [4]
const char *	icmp_exceed_str [2]

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Function Documentation

W32_FUNC DWORD _chk_ping (  DWORD  host, DWORD *  number )

Check for ICMP echo reply in ping-cache. Return values: reply  time in system ticks. (DWORD)-1  on failure Definition at line 172 of file pcping.c.

void icmp_handler (  const in_Header *  ip, BOOL  broadcast )

Handler for incoming ICMP packets. Todo: Handle cancelling raw sockets !! !! send reply? should store send reply send reply upwards < < < < Definition at line 377 of file pcicmp.c. References _do_mask_req, _tcp_cancel(), _udp_cancel(), add_ping(), addr_mask_id, block_icmp, BYTE, in_Header::destination, DWORD, icmp_bogus(), icmp_redirect(), in_Header::length, in_Header::proto, set_timeout(), sin_mask, in_Header::source, UINT, and WORD.

int icmp_send_unreach (  const in_Header *  ip, int  code )

Send an ICMP destination/protocol unreachable back to 'ip->source'. Limit the rate of these to 20 per second. Ref. RFC-1812. Definition at line 195 of file pcicmp.c. References _eth_formatpacket(), BYTE, chk_timeout(), DWORD, icmp_check(), icmp_send(), in_Header::length, and set_timeout().

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