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first draft

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Alex
2022-04-13 18:01:39 +08:00
commit 906782e134
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/*
* $smu-mark$
* $name: logicmp.c$
* $author: Salvatore Sanfilippo <antirez@invece.org>$
* $copyright: Copyright (C) 1999 by Salvatore Sanfilippo$
* $license: This software is under GPL version 2 of license$
* $date: Fri Nov 5 11:55:48 MET 1999$
* $rev: 8$
*/
#include <stdio.h>
#include <sys/types.h> /* this should be not needed, but ip_icmp.h lacks it */
#include "hping2.h"
#include "globals.h"
void log_icmp_timeexc(const char *src_addr, unsigned short icmp_code)
{
switch(icmp_code) {
case ICMP_EXC_TTL:
printf("TTL 0 during transit from ip=%s", src_addr);
break;
case ICMP_EXC_FRAGTIME:
printf("TTL 0 during reassembly from ip=%s", src_addr);
break;
}
if (opt_gethost) {
char *hostn;
fflush(stdout);
hostn = get_hostname(src_addr);
printf("name=%s", (hostn) ? hostn : "UNKNOWN");
}
}
void log_icmp_unreach(const char *src_addr, unsigned short icmp_code)
{
static char* icmp_unreach_msg[]={
"Network Unreachable", /* code 0 */
"Host Unreachable", /* code 1 */
"Protocol Unreachable", /* code 2 */
"Port Unreachable", /* code 3 */
"Fragmentation Needed/DF set", /* code 4 */
"Source Route failed", /* code 5 */
NULL, /* code 6 */
NULL, /* code 7 */
NULL, /* code 8 */
NULL, /* code 9 */
NULL, /* code 10 */
NULL, /* code 11 */
NULL, /* code 12 */
"Packet filtered", /* code 13 */
"Precedence violation", /* code 14 */
"precedence cut off" /* code 15 */
};
if (icmp_code < 16 && icmp_unreach_msg[icmp_code] != NULL)
printf("ICMP %s from ip=%s", icmp_unreach_msg[icmp_code], src_addr);
else
printf("ICMP Unreachable type=%d from ip=%s",
icmp_code, src_addr);
if (opt_gethost) {
char *hostn;
fflush(stdout);
hostn = get_hostname(src_addr);
printf("name=%s", (hostn) ? hostn : "UNKNOWN");
}
putchar('\n');
}
void log_icmp6_unreach(const char *src_addr, unsigned short icmp_code)
{
static char* icmp_unreach_msg[]={
"Network Unreachable", /* code 0 */
"Packet Filtered", /* code 1 */
"Unreachable type=2", /* code 2 */
"Address Unreachable", /* code 3 */
"Port Unreachable", /* code 4 */
};
if (icmp_code < 5)
printf("ICMP6 %s from ip=%s", icmp_unreach_msg[icmp_code], src_addr);
else
printf("ICMP6 Unreachable type=%d from ip=%s",
icmp_code, src_addr);
if (opt_gethost) {
char *hostn;
fflush(stdout);
hostn = get_hostname(src_addr);
printf("name=%s", (hostn) ? hostn : "UNKNOWN");
}
putchar('\n');
}
void log_icmp6_ptb(const char *src_addr, __u32 mtu)
{
printf("ICMP6 Packet Too Big, MTU=%d from ip=%s",
mtu, src_addr);
if (opt_gethost) {
char *hostn;
fflush(stdout);
hostn = get_hostname(src_addr);
printf("name=%s", (hostn) ? hostn : "UNKNOWN");
}
putchar('\n');
}