nd_uint8_t icmp_code; /* type sub code */
nd_uint16_t icmp_cksum; /* ones complement cksum of struct */
union {
- nd_uint8_t ih_pptr; /* ICMP_PARAMPROB */
- struct in_addr ih_gwaddr; /* ICMP_REDIRECT */
+ nd_uint8_t ih_pptr; /* ICMP_PARAMPROB */
+ nd_ipv4 ih_gwaddr; /* ICMP_REDIRECT */
struct ih_idseq {
nd_uint16_t icd_id;
nd_uint16_t icd_seq;
* draft-bonica-internet-icmp-08
*
* The Destination Unreachable, Time Exceeded
- * and Parameter Problem messages are slighly changed as per
+ * and Parameter Problem messages are slightly changed as per
* the above draft. A new Length field gets added to give
* the caller an idea about the length of the piggypacked
* IP packet before the MPLS extension header starts.
sec = tstamp / 1000;
min = sec / 60; sec -= min * 60;
hrs = min / 60; min -= hrs * 60;
- snprintf(buf, sizeof(buf), "%02u:%02u:%02u.%03u",hrs,min,sec,msec);
+ nd_snprintf(buf, sizeof(buf), "%02u:%02u:%02u.%03u",hrs,min,sec,msec);
return buf;
}
char buf[MAXHOSTNAMELEN + 100];
struct cksum_vec vec[1];
+ ndo->ndo_protocol = "icmp";
dp = (const struct icmp *)bp;
ext_dp = (const struct icmp_ext_t *)bp;
ip = (const struct ip *)bp2;
case ICMP_ECHO:
case ICMP_ECHOREPLY:
ND_TCHECK_2(dp->icmp_seq);
- (void)snprintf(buf, sizeof(buf), "echo %s, id %u, seq %u",
+ (void)nd_snprintf(buf, sizeof(buf), "echo %s, id %u, seq %u",
icmp_type == ICMP_ECHO ?
"request" : "reply",
EXTRACT_BE_U_2(dp->icmp_id),
case ICMP_UNREACH_PROTOCOL:
ND_TCHECK_1(dp->icmp_ip.ip_p);
- (void)snprintf(buf, sizeof(buf),
+ (void)nd_snprintf(buf, sizeof(buf),
"%s protocol %u unreachable",
- ipaddr_string(ndo, &dp->icmp_ip.ip_dst),
+ ipaddr_string(ndo, dp->icmp_ip.ip_dst),
EXTRACT_U_1(dp->icmp_ip.ip_p));
break;
switch (ip_proto) {
case IPPROTO_TCP:
- (void)snprintf(buf, sizeof(buf),
+ (void)nd_snprintf(buf, sizeof(buf),
"%s tcp port %s unreachable",
- ipaddr_string(ndo, &oip->ip_dst),
+ ipaddr_string(ndo, oip->ip_dst),
tcpport_string(ndo, dport));
break;
case IPPROTO_UDP:
- (void)snprintf(buf, sizeof(buf),
+ (void)nd_snprintf(buf, sizeof(buf),
"%s udp port %s unreachable",
- ipaddr_string(ndo, &oip->ip_dst),
+ ipaddr_string(ndo, oip->ip_dst),
udpport_string(ndo, dport));
break;
default:
- (void)snprintf(buf, sizeof(buf),
+ (void)nd_snprintf(buf, sizeof(buf),
"%s protocol %u port %u unreachable",
- ipaddr_string(ndo, &oip->ip_dst),
+ ipaddr_string(ndo, oip->ip_dst),
ip_proto, dport);
break;
}
mp = (const struct mtu_discovery *)(const u_char *)&dp->icmp_void;
mtu = EXTRACT_BE_U_2(mp->nexthopmtu);
if (mtu) {
- (void)snprintf(buf, sizeof(buf),
+ (void)nd_snprintf(buf, sizeof(buf),
"%s unreachable - need to frag (mtu %u)",
- ipaddr_string(ndo, &dp->icmp_ip.ip_dst), mtu);
+ ipaddr_string(ndo, dp->icmp_ip.ip_dst), mtu);
} else {
- (void)snprintf(buf, sizeof(buf),
+ (void)nd_snprintf(buf, sizeof(buf),
"%s unreachable - need to frag",
- ipaddr_string(ndo, &dp->icmp_ip.ip_dst));
+ ipaddr_string(ndo, dp->icmp_ip.ip_dst));
}
}
break;
default:
fmt = tok2str(unreach2str, "#%u %%s unreachable",
icmp_code);
- (void)snprintf(buf, sizeof(buf), fmt,
- ipaddr_string(ndo, &dp->icmp_ip.ip_dst));
+ (void)nd_snprintf(buf, sizeof(buf), fmt,
+ ipaddr_string(ndo, dp->icmp_ip.ip_dst));
break;
}
break;
ND_TCHECK_4(dp->icmp_ip.ip_dst);
fmt = tok2str(type2str, "redirect-#%u %%s to net %%s",
icmp_code);
- (void)snprintf(buf, sizeof(buf), fmt,
- ipaddr_string(ndo, &dp->icmp_ip.ip_dst),
- ipaddr_string(ndo, &dp->icmp_gwaddr));
+ (void)nd_snprintf(buf, sizeof(buf), fmt,
+ ipaddr_string(ndo, dp->icmp_ip.ip_dst),
+ ipaddr_string(ndo, dp->icmp_gwaddr));
break;
case ICMP_ROUTERADVERT:
const struct id_rdiscovery *idp;
u_int lifetime, num, size;
- (void)snprintf(buf, sizeof(buf), "router advertisement");
+ (void)nd_snprintf(buf, sizeof(buf), "router advertisement");
cp = buf + strlen(buf);
ihp = (const struct ih_rdiscovery *)&dp->icmp_void;
cp = buf + strlen(buf);
lifetime = EXTRACT_BE_U_2(ihp->ird_lifetime);
if (lifetime < 60) {
- (void)snprintf(cp, sizeof(buf) - (cp - buf), "%u",
+ (void)nd_snprintf(cp, sizeof(buf) - (cp - buf), "%u",
lifetime);
} else if (lifetime < 60 * 60) {
- (void)snprintf(cp, sizeof(buf) - (cp - buf), "%u:%02u",
+ (void)nd_snprintf(cp, sizeof(buf) - (cp - buf), "%u:%02u",
lifetime / 60, lifetime % 60);
} else {
- (void)snprintf(cp, sizeof(buf) - (cp - buf),
+ (void)nd_snprintf(cp, sizeof(buf) - (cp - buf),
"%u:%02u:%02u",
lifetime / 3600,
(lifetime % 3600) / 60,
cp = buf + strlen(buf);
num = EXTRACT_U_1(ihp->ird_addrnum);
- (void)snprintf(cp, sizeof(buf) - (cp - buf), " %u:", num);
+ (void)nd_snprintf(cp, sizeof(buf) - (cp - buf), " %u:", num);
cp = buf + strlen(buf);
size = EXTRACT_U_1(ihp->ird_addrsiz);
if (size != 2) {
- (void)snprintf(cp, sizeof(buf) - (cp - buf),
+ (void)nd_snprintf(cp, sizeof(buf) - (cp - buf),
" [size %u]", size);
break;
}
idp = (const struct id_rdiscovery *)&dp->icmp_data;
while (num-- > 0) {
ND_TCHECK_SIZE(idp);
- (void)snprintf(cp, sizeof(buf) - (cp - buf), " {%s %u}",
- ipaddr_string(ndo, &idp->ird_addr),
+ (void)nd_snprintf(cp, sizeof(buf) - (cp - buf), " {%s %u}",
+ ipaddr_string(ndo, idp->ird_addr),
EXTRACT_BE_U_4(idp->ird_pref));
cp = buf + strlen(buf);
++idp;
break;
default:
- (void)snprintf(buf, sizeof(buf), "time exceeded-#%u",
+ (void)nd_snprintf(buf, sizeof(buf), "time exceeded-#%u",
icmp_code);
break;
}
case ICMP_PARAMPROB:
if (icmp_code)
- (void)snprintf(buf, sizeof(buf),
+ (void)nd_snprintf(buf, sizeof(buf),
"parameter problem - code %u", icmp_code);
else {
ND_TCHECK_1(dp->icmp_pptr);
- (void)snprintf(buf, sizeof(buf),
+ (void)nd_snprintf(buf, sizeof(buf),
"parameter problem - octet %u", EXTRACT_U_1(dp->icmp_pptr));
}
break;
case ICMP_MASKREPLY:
ND_TCHECK_4(dp->icmp_mask);
- (void)snprintf(buf, sizeof(buf), "address mask is 0x%08x",
+ (void)nd_snprintf(buf, sizeof(buf), "address mask is 0x%08x",
EXTRACT_BE_U_4(dp->icmp_mask));
break;
case ICMP_TSTAMP:
ND_TCHECK_2(dp->icmp_seq);
- (void)snprintf(buf, sizeof(buf),
+ (void)nd_snprintf(buf, sizeof(buf),
"time stamp query id %u seq %u",
EXTRACT_BE_U_2(dp->icmp_id),
EXTRACT_BE_U_2(dp->icmp_seq));
case ICMP_TSTAMPREPLY:
ND_TCHECK_4(dp->icmp_ttime);
- (void)snprintf(buf, sizeof(buf),
+ (void)nd_snprintf(buf, sizeof(buf),
"time stamp reply id %u seq %u: org %s",
EXTRACT_BE_U_2(dp->icmp_id),
EXTRACT_BE_U_2(dp->icmp_seq),
icmp_tstamp_print(EXTRACT_BE_U_4(dp->icmp_otime)));
- (void)snprintf(buf+strlen(buf),sizeof(buf)-strlen(buf),", recv %s",
+ (void)nd_snprintf(buf+strlen(buf),sizeof(buf)-strlen(buf),", recv %s",
icmp_tstamp_print(EXTRACT_BE_U_4(dp->icmp_rtime)));
- (void)snprintf(buf+strlen(buf),sizeof(buf)-strlen(buf),", xmit %s",
+ (void)nd_snprintf(buf+strlen(buf),sizeof(buf)-strlen(buf),", xmit %s",
icmp_tstamp_print(EXTRACT_BE_U_4(dp->icmp_ttime)));
break;
ndo->ndo_snapend = snapend_save;
}
+ /* ndo_protocol reassignment after ip_print() call */
+ ndo->ndo_protocol = "icmp";
+
/*
* Attempt to decode the MPLS extensions only for some ICMP types.
*/
return;
trunc:
- ND_PRINT("[|icmp]");
+ nd_print_trunc(ndo);
}
-/*
- * Local Variables:
- * c-style: whitesmith
- * c-basic-offset: 8
- * End:
- */