Revision 31a60e22 slirp/ip_icmp.c
| b/slirp/ip_icmp.c | ||
|---|---|---|
| 37 | 37 |
#include "slirp.h" |
| 38 | 38 |
#include "ip_icmp.h" |
| 39 | 39 |
|
| 40 |
#ifdef LOG_ENABLED |
|
| 40 | 41 |
struct icmpstat icmpstat; |
| 42 |
#endif |
|
| 41 | 43 |
|
| 42 | 44 |
/* The message sent when emulating PING */ |
| 43 | 45 |
/* Be nice and tell them it's just a psuedo-ping packet */ |
| ... | ... | |
| 83 | 85 |
DEBUG_ARG("m = %lx", (long )m);
|
| 84 | 86 |
DEBUG_ARG("m_len = %d", m->m_len);
|
| 85 | 87 |
|
| 86 |
icmpstat.icps_received++;
|
|
| 88 |
STAT(icmpstat.icps_received++);
|
|
| 87 | 89 |
|
| 88 | 90 |
/* |
| 89 | 91 |
* Locate icmp structure in mbuf, and check |
| 90 | 92 |
* that its not corrupted and of at least minimum length. |
| 91 | 93 |
*/ |
| 92 | 94 |
if (icmplen < ICMP_MINLEN) { /* min 8 bytes payload */
|
| 93 |
icmpstat.icps_tooshort++;
|
|
| 95 |
STAT(icmpstat.icps_tooshort++);
|
|
| 94 | 96 |
freeit: |
| 95 | 97 |
m_freem(m); |
| 96 | 98 |
goto end_error; |
| ... | ... | |
| 100 | 102 |
m->m_data += hlen; |
| 101 | 103 |
icp = mtod(m, struct icmp *); |
| 102 | 104 |
if (cksum(m, icmplen)) {
|
| 103 |
icmpstat.icps_checksum++;
|
|
| 105 |
STAT(icmpstat.icps_checksum++);
|
|
| 104 | 106 |
goto freeit; |
| 105 | 107 |
} |
| 106 | 108 |
m->m_len += hlen; |
| ... | ... | |
| 170 | 172 |
case ICMP_TSTAMP: |
| 171 | 173 |
case ICMP_MASKREQ: |
| 172 | 174 |
case ICMP_REDIRECT: |
| 173 |
icmpstat.icps_notsupp++;
|
|
| 175 |
STAT(icmpstat.icps_notsupp++);
|
|
| 174 | 176 |
m_freem(m); |
| 175 | 177 |
break; |
| 176 | 178 |
|
| 177 | 179 |
default: |
| 178 |
icmpstat.icps_badtype++;
|
|
| 180 |
STAT(icmpstat.icps_badtype++);
|
|
| 179 | 181 |
m_freem(m); |
| 180 | 182 |
} /* swith */ |
| 181 | 183 |
|
| ... | ... | |
| 314 | 316 |
|
| 315 | 317 |
(void ) ip_output((struct socket *)NULL, m); |
| 316 | 318 |
|
| 317 |
icmpstat.icps_reflect++;
|
|
| 319 |
STAT(icmpstat.icps_reflect++);
|
|
| 318 | 320 |
|
| 319 | 321 |
end_error: |
| 320 | 322 |
return; |
| ... | ... | |
| 371 | 373 |
|
| 372 | 374 |
(void ) ip_output((struct socket *)NULL, m); |
| 373 | 375 |
|
| 374 |
icmpstat.icps_reflect++;
|
|
| 376 |
STAT(icmpstat.icps_reflect++);
|
|
| 375 | 377 |
} |
Also available in: Unified diff