#ifndef lint
static const char rcsid[] =
- "@(#) $Header: /tcpdump/master/tcpdump/print-isoclns.c,v 1.50 2002-05-31 23:23:35 hannes Exp $ (LBL)";
+ "@(#) $Header: /tcpdump/master/tcpdump/print-isoclns.c,v 1.52 2002-06-29 04:33:31 guy Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_H
#define NLPID_ESIS 130 /* 0x82 */
#define NLPID_ISIS 131 /* 0x83 */
#define NLPID_IP6 0x8e
-#define NLPID_IP 0xcc
+#define NLPID_IP 0xcc
#define NLPID_NULLNS 0
/*
static struct tok isis_pdu_values[] = {
{ L1_LAN_IIH, "L1 Lan IIH"},
- { L2_LAN_IIH, "L2 Lan IIH"},
- { PTP_IIH, "p2p IIH"},
- { L1_LSP, "L1 LSP"},
- { L2_LSP, "L2 LSP"},
- { L1_CSNP, "L1 CSNP"},
+ { L2_LAN_IIH, "L2 Lan IIH"},
+ { PTP_IIH, "p2p IIH"},
+ { L1_LSP, "L1 LSP"},
+ { L2_LSP, "L2 LSP"},
+ { L1_CSNP, "L1 CSNP"},
{ L2_CSNP, "L2 CSNP"},
- { L1_PSNP, "L1 PSNP"},
+ { L1_PSNP, "L1 PSNP"},
{ L2_PSNP, "L2 PSNP"},
{ 0, NULL}
};
#define TLV_HOSTNAME 137
#define TLV_SHARED_RISK_GROUP 138
#define TLV_NORTEL_PRIVATE1 176
-#define TLV_NORTEL_PRIVATE2 177
+#define TLV_NORTEL_PRIVATE2 177
#define TLV_RESTART_SIGNALING 211
#define TLV_MT_IS_REACH 222
#define TLV_MT_SUPPORTED 229
static struct tok isis_tlv_values[] = {
{ TLV_AREA_ADDR, "Area address(es)"},
- { TLV_IS_REACH, "IS Reachability"},
- { TLV_ESNEIGH, "ES Neighbor(s)"},
- { TLV_PART_DIS, "Partition DIS"},
- { TLV_PREFIX_NEIGH, "Prefix Neighbors"},
- { TLV_ISNEIGH, "IS Neighbor(s)"},
+ { TLV_IS_REACH, "IS Reachability"},
+ { TLV_ESNEIGH, "ES Neighbor(s)"},
+ { TLV_PART_DIS, "Partition DIS"},
+ { TLV_PREFIX_NEIGH, "Prefix Neighbors"},
+ { TLV_ISNEIGH, "IS Neighbor(s)"},
{ TLV_ISNEIGH_VARLEN, "IS Neighbor(s) (variable length)"},
- { TLV_PADDING, "Padding"},
- { TLV_LSP, "LSP entries"},
- { TLV_AUTH, "Authentication"},
- { TLV_CHECKSUM, "Checksum"},
- { TLV_LSP_BUFFERSIZE, "LSP Buffersize"},
- { TLV_EXT_IS_REACH, "Extended IS Reachability"},
+ { TLV_PADDING, "Padding"},
+ { TLV_LSP, "LSP entries"},
+ { TLV_AUTH, "Authentication"},
+ { TLV_CHECKSUM, "Checksum"},
+ { TLV_LSP_BUFFERSIZE, "LSP Buffersize"},
+ { TLV_EXT_IS_REACH, "Extended IS Reachability"},
{ TLV_IS_ALIAS_ID, "IS Alias ID"},
- { TLV_DECNET_PHASE4, "DECnet Phase IV"},
- { TLV_LUCENT_PRIVATE, "Lucent Proprietary"},
- { TLV_IP_REACH, "IPv4 Internal reachability"},
- { TLV_PROTOCOLS, "Protocols supported"},
- { TLV_IP_REACH_EXT, "IPv4 External reachability"},
- { TLV_IDRP_INFO, "Inter-Domain Information Type"},
- { TLV_IPADDR, "IPv4 Interface address(es)"},
- { TLV_IPAUTH, "IPv4 authentication (deprecated)"},
- { TLV_TE_ROUTER_ID, "Traffic Engineering Router ID"},
- { TLV_EXT_IP_REACH, "Extended IPv4 reachability"},
- { TLV_HOSTNAME, "Hostname"},
- { TLV_SHARED_RISK_GROUP, "Shared Risk Link Group"},
- { TLV_NORTEL_PRIVATE1, "Nortel Proprietary"},
- { TLV_NORTEL_PRIVATE2, "Nortel Proprietary"},
- { TLV_RESTART_SIGNALING, "Restart Signaling"},
- { TLV_MT_IS_REACH, "Multi Topology IS Reachability"},
- { TLV_MT_SUPPORTED, "Multi Topology"},
- { TLV_IP6ADDR, "IPv6 Interface address(es)"},
- { TLV_MT_IP_REACH, "Multi-Topology IPv4 reachability"},
- { TLV_IP6_REACH, "IPv6 reachability"},
- { TLV_MT_IP6_REACH, "Multi-Topology IP6 reachability"},
- { TLV_PTP_ADJ, "Point-to-point Adjacency State"},
+ { TLV_DECNET_PHASE4, "DECnet Phase IV"},
+ { TLV_LUCENT_PRIVATE, "Lucent Proprietary"},
+ { TLV_IP_REACH, "IPv4 Internal reachability"},
+ { TLV_PROTOCOLS, "Protocols supported"},
+ { TLV_IP_REACH_EXT, "IPv4 External reachability"},
+ { TLV_IDRP_INFO, "Inter-Domain Information Type"},
+ { TLV_IPADDR, "IPv4 Interface address(es)"},
+ { TLV_IPAUTH, "IPv4 authentication (deprecated)"},
+ { TLV_TE_ROUTER_ID, "Traffic Engineering Router ID"},
+ { TLV_EXT_IP_REACH, "Extended IPv4 reachability"},
+ { TLV_HOSTNAME, "Hostname"},
+ { TLV_SHARED_RISK_GROUP, "Shared Risk Link Group"},
+ { TLV_NORTEL_PRIVATE1, "Nortel Proprietary"},
+ { TLV_NORTEL_PRIVATE2, "Nortel Proprietary"},
+ { TLV_RESTART_SIGNALING, "Restart Signaling"},
+ { TLV_MT_IS_REACH, "Multi Topology IS Reachability"},
+ { TLV_MT_SUPPORTED, "Multi Topology"},
+ { TLV_IP6ADDR, "IPv6 Interface address(es)"},
+ { TLV_MT_IP_REACH, "Multi-Topology IPv4 reachability"},
+ { TLV_IP6_REACH, "IPv6 reachability"},
+ { TLV_MT_IP6_REACH, "Multi-Topology IP6 reachability"},
+ { TLV_PTP_ADJ, "Point-to-point Adjacency State"},
{ 0, NULL }
};
{ 0, NULL}
};
-#define ISIS_8BIT_MASK(x) ((x)&0xff)
+#define ISIS_8BIT_MASK(x) ((x)&0xff)
#define ISIS_MASK_LSP_OL_BIT(x) ((x)&0x4)
#define ISIS_MASK_LSP_ISTYPE_BITS(x) ((x)&0x3)
u_char adjacency_state;
u_char extd_local_circuit_id[4];
u_char neighbor_sysid[SYSTEM_ID_LEN];
- u_char neighbor_extd_local_circuit_id[4];
+ u_char neighbor_extd_local_circuit_id[4];
};
static int osi_cksum(const u_char *, u_int);
u_char sequence_number[4];
u_char checksum[2];
};
-
+
#define ISIS_COMMON_HEADER_SIZE (sizeof(struct isis_common_header))
#define ISIS_IIH_LAN_HEADER_SIZE (sizeof(struct isis_iih_lan_header))
#define ISIS_IIH_PTP_HEADER_SIZE (sizeof(struct isis_iih_ptp_header))
{
u_char pdu_type;
const struct isis_common_header *header;
-
+
header = (const struct isis_common_header *)p;
pdu_type = header->pdu_type & PDU_TYPE_MASK;
isis_print_unknown_data(const u_char *cp,const char *lf,int len)
{
int i;
-
+
printf("%s0x0000: ",lf);
for(i=0;i<len;i++) {
if (!TTEST2(*(cp+i), 1))
* 34 indicates no match -> must be a discontiguous netmask
* lets dump the mask, otherwise print the prefix_len
*/
- if (prefix_len == 34)
+ if (prefix_len == 34)
printf("\n\t\t\tIPv4 prefix: %s mask %s",
ipaddr_string((tlv_ip_reach->prefix)),
ipaddr_string((tlv_ip_reach->mask)));
- else
+ else
printf("\n\t\t\tIPv4 prefix: %s/%u",
ipaddr_string((tlv_ip_reach->prefix)),
prefix_len);
subl))
return(0);
break;
- }
+ }
return(1);
trunctlv:
if (!TTEST2(*tptr,4))
goto trunctlv;
j = EXTRACT_32BITS(tptr);
- memcpy (&bw, &j, 4);
+ memcpy (&bw, &j, 4);
printf("%sMaximum link bandwidth : %.3f Mbps",
lf,
bw*8/1000000 );
- break;
+ break;
case SUBTLV_EXT_IS_REACH_RESERVABLE_BW :
if (!TTEST2(*tptr,4))
goto trunctlv;
j = EXTRACT_32BITS(tptr);
- memcpy (&bw, &j, 4);
+ memcpy (&bw, &j, 4);
printf("%sReservable link bandwidth: %.3f Mbps",
lf,
bw*8/1000000 );
if (!TTEST2(*(tptr+i*4),4))
goto trunctlv;
j = EXTRACT_32BITS(tptr);
- memcpy (&bw, &j, 4);
+ memcpy (&bw, &j, 4);
printf("%s priority level %d: %.3f Mbps",
lf,
i,
bw*8/1000000 );
}
- break;
+ break;
case SUBTLV_EXT_IS_REACH_TE_METRIC:
if (!TTEST2(*tptr,3))
goto trunctlv;
printf("%sTraffic Engineering Metric: %d",
lf,
EXTRACT_24BITS(tptr));
- break;
+ break;
case SUBTLV_EXT_IS_REACH_IPV4_INTF_ADDR:
if (!TTEST2(*tptr,4))
goto trunctlv;
printf("%sIPv4 interface address: %s",
lf,
ipaddr_string(tptr));
- break;
+ break;
case SUBTLV_EXT_IS_REACH_IPV4_NEIGHBOR_ADDR:
if (!TTEST2(*tptr,4))
goto trunctlv;
if (!TTEST2(*(tptr+(i*4)+4),4))
goto trunctlv;
j = EXTRACT_32BITS(tptr);
- memcpy (&bw, &j, 4);
+ memcpy (&bw, &j, 4);
printf("%s priority level %d: %.3f Mbps",
lf,
i,
lf,
subt,
subl);
- break;
+ break;
default:
printf("%sunknown subTLV, type %d, length %d",
lf,
subl))
return(0);
break;
- }
+ }
return(1);
trunctlv:
packet_len=length;
optr = p; /* initialize the _o_riginal pointer to the packet start -
need it for parsing the checksum TLV */
- header = (const struct isis_common_header *)p;
+ header = (const struct isis_common_header *)p;
TCHECK(*header);
- pptr = p+(ISIS_COMMON_HEADER_SIZE);
+ pptr = p+(ISIS_COMMON_HEADER_SIZE);
header_iih_lan = (const struct isis_iih_lan_header *)pptr;
header_iih_ptp = (const struct isis_iih_ptp_header *)pptr;
header_lsp = (const struct isis_lsp_header *)pptr;
header_csnp = (const struct isis_csnp_header *)pptr;
header_psnp = (const struct isis_psnp_header *)pptr;
-
+
/*
* Sanity checking of the header.
*/
header->id_length);
return (0);
}
-
+
if (header->pkt_version != ISIS_VERSION) {
printf(", version %d packet not supported", header->pkt_version);
return (0);
case 0:
id_length = 6; /* silly shit again */
break;
- case 1: /* 1-8 are valid sys-ID lenghts */
+ case 1: /* 1-8 are valid sys-ID lenghts */
case 2:
case 3:
case 4:
id_length = 0; /* entirely useless */
break;
default:
- printf(", bad packet -- illegal sys-ID length (%u)", id_length);
+ printf(", bad packet -- illegal sys-ID length (%u)", id_length);
return (0);
break;
}
header->id_length,
max_area,
header->max_area);
-
+
pdu_type=header->pdu_type;
/* first lets see if we know the PDU name*/
tok2str(isis_pdu_values,
"unknown PDU, type %d",
pdu_type));
-
+
switch (pdu_type) {
- case L1_LAN_IIH:
+ case L1_LAN_IIH:
case L2_LAN_IIH:
if (header->fixed_len != (ISIS_COMMON_HEADER_SIZE+ISIS_IIH_LAN_HEADER_SIZE)) {
printf(", bogus fixed header length %u should be %lu",
printf("\n\t\t lan-id: %s, Priority: %u, PDU length: %u",
isis_print_nodeid(header_iih_lan->lan_id),
(header_iih_lan->priority) & PRIORITY_MASK,
- pdu_len);
+ pdu_len);
packet_len -= (ISIS_COMMON_HEADER_SIZE+ISIS_IIH_LAN_HEADER_SIZE);
pptr = p + (ISIS_COMMON_HEADER_SIZE+ISIS_IIH_LAN_HEADER_SIZE);
header->fixed_len, (unsigned long)ISIS_IIH_PTP_HEADER_SIZE);
return (0);
}
-
+
pdu_len=EXTRACT_16BITS(header_iih_ptp->pdu_len);
if (packet_len>pdu_len) {
packet_len=pdu_len; /* do TLV decoding as long as it makes sense */
length=pdu_len;
}
-
+
TCHECK(*header_iih_ptp);
printf("\n\t\t source-id: %s, holding time: %us, circuit-id: 0x%02x, %s, PDU length: %u",
isis_print_sysid(header_iih_ptp->source_id,SYSTEM_ID_LEN),
header->fixed_len, (unsigned long)ISIS_LSP_HEADER_SIZE);
return (0);
}
-
+
pdu_len=EXTRACT_16BITS(header_lsp->pdu_len);
if (packet_len>pdu_len) {
packet_len=pdu_len; /* do TLV decoding as long as it makes sense */
EXTRACT_16BITS(header_lsp->checksum),
(osi_cksum(optr+12, length-12)) ? "incorrect" : "correct",
pdu_len);
-
+
printf(", %s", ISIS_MASK_LSP_OL_BIT(header_lsp->typeblock) ? "Overload bit set, " : "");
if (ISIS_MASK_LSP_ATT_BITS(header_lsp->typeblock)) {
header->fixed_len, (unsigned long)ISIS_CSNP_HEADER_SIZE);
return (0);
}
-
+
pdu_len=EXTRACT_16BITS(header_csnp->pdu_len);
if (packet_len>pdu_len) {
packet_len=pdu_len; /* do TLV decoding as long as it makes sense */
TCHECK(*header_csnp);
printf("\n\t\t source-id: %s, PDU length: %u",
isis_print_nodeid(header_csnp->source_id),
- pdu_len);
+ pdu_len);
printf("\n\t\t start lsp-id: %s",
- isis_print_lspid(header_csnp->start_lsp_id));
+ isis_print_lspid(header_csnp->start_lsp_id));
printf("\n\t\t end lsp-id: %s",
isis_print_lspid(header_csnp->end_lsp_id));
TCHECK(*header_psnp);
printf("\n\t\t source-id: %s",
- isis_print_nodeid(header_psnp->source_id));
-
+ isis_print_nodeid(header_psnp->source_id));
+
packet_len -= (ISIS_COMMON_HEADER_SIZE+ISIS_PSNP_HEADER_SIZE);
pptr = p + (ISIS_COMMON_HEADER_SIZE+ISIS_PSNP_HEADER_SIZE);
break;
default:
if(!isis_print_unknown_data(pptr,"\n\t\t ",length))
- return(0);
+ return(0);
return (0);
}
/*
* Now print the TLV's.
*/
-
+
while (packet_len >= 2) {
if (pptr == snapend) {
return (1);
if (len > packet_len) {
break;
}
-
+
/* first lets see if we know the TLVs name*/
printf("\n\t\t %s TLV #%u, length: %u",
tok2str(isis_tlv_values,
tptr+=2;
if (!TTEST2(*tptr, NODE_ID_LEN))
goto trunctlv;
- printf("\n\t\t\t IS Neighbor: %s", isis_print_nodeid(tptr));
+ printf("\n\t\t\t IS Neighbor: %s", isis_print_nodeid(tptr));
tptr+=(NODE_ID_LEN);
if (!TTEST2(*tptr, 3))
goto trunctlv;
tslen=*(tptr++);
printf(", %ssub-TLVs present",tslen ? "" : "no ");
if (tslen) {
- printf(" (%u)",tslen);
+ printf(" (%u)",tslen);
while (tslen>0) {
if (!TTEST2(*tptr,2))
goto trunctlv;
- subt=*(tptr++);
- subl=*(tptr++);
+ subt=*(tptr++);
+ subl=*(tptr++);
if(!isis_print_is_reach_subtlv(tptr,subt,subl,"\n\t\t\t "))
return(0);
tptr+=subl;
tslen-=(subl+2);
tmp-=(subl+2);
}
- }
+ }
tmp-=(SYSTEM_ID_LEN+7);
}
break;
while (tmp>0) {
if (!TTEST2(*tptr, NODE_ID_LEN))
goto trunctlv;
- printf("\n\t\t\tIS Neighbor: %s", isis_print_nodeid(tptr));
+ printf("\n\t\t\tIS Neighbor: %s", isis_print_nodeid(tptr));
tptr+=(NODE_ID_LEN);
if (!TTEST2(*tptr, 3))
tslen=*(tptr++); /* read out subTLV length */
printf(", %ssub-TLVs present",tslen ? "" : "no ");
if (tslen) {
- printf(" (%u)",tslen);
+ printf(" (%u)",tslen);
while (tslen>0) {
if (!TTEST2(*tptr,2))
goto trunctlv;
- subt=*(tptr++);
- subl=*(tptr++);
+ subt=*(tptr++);
+ subl=*(tptr++);
if(!isis_print_is_reach_subtlv(tptr,subt,subl,"\n\t\t\t "))
return(0);
tptr+=subl;
tslen-=(subl+2);
tmp-=(subl+2);
}
- }
+ }
tmp-=(SYSTEM_ID_LEN+5);
}
break;
return (1);
memcpy(prefix,tptr,byte_length);
tptr+=byte_length;
- printf("\n\t\t\tIPv4 prefix: %s/%d",
+ printf("\n\t\t\tIPv4 prefix: %s/%d",
ipaddr_string(prefix),
bit_length);
return (1);
tslen=*(tptr++);
tmp--;
- printf(" (%u)",tslen); /* print out subTLV length */
+ printf(" (%u)",tslen); /* print out subTLV length */
while (tslen>0) {
if (!TTEST2(*tptr,2))
goto trunctlv;
- subt=*(tptr++);
- subl=*(tptr++);
+ subt=*(tptr++);
+ subl=*(tptr++);
if(!isis_print_ip_reach_subtlv(tptr,subt,subl,"\n\t\t\t "))
return(0);
tptr+=subl;
return (1);
memcpy(prefix,tptr,byte_length);
tptr+=byte_length;
- printf("\n\t\t\tIPv4 prefix: %s/%d",
+ printf("\n\t\t\tIPv4 prefix: %s/%d",
ipaddr_string(prefix),
bit_length);
return (1);
tslen=*(tptr++);
tmp--;
- printf(" (%u)",tslen); /* print out subTLV length */
+ printf(" (%u)",tslen); /* print out subTLV length */
while (tslen>0) {
if (!TTEST2(*tptr,2))
goto trunctlv;
- subt=*(tptr++);
- subl=*(tptr++);
+ subt=*(tptr++);
+ subl=*(tptr++);
if(!isis_print_ip_reach_subtlv(tptr,subt,subl,"\n\t\t\t "))
return(0);
tptr+=subl;
the aggregate bytecount of the subTLVs for this prefix
*/
if (!TTEST2(*tptr, 1))
- return (1);
+ return (1);
tslen=*(tptr++);
tmp--;
- printf(" (%u)",tslen); /* print out subTLV length */
+ printf(" (%u)",tslen); /* print out subTLV length */
while (tslen>0) {
if (!TTEST2(*tptr,2))
goto trunctlv;
- subt=*(tptr++);
- subl=*(tptr++);
+ subt=*(tptr++);
+ subl=*(tptr++);
if(!isis_print_ip_reach_subtlv(tptr,subt,subl,"\n\t\t\t "))
return(0);
tptr+=subl;
case SUBTLV_AUTH_PRIVATE:
default:
if(!isis_print_unknown_data(tptr+1,"\n\t\t\t ",len-1))
- return(0);
+ return(0);
break;
}
break;
goto trunctlv;
printf("\n\t\t\tIPv4 neighbor address: %s", ipaddr_string(tptr));
tptr+=4;
- len-=4;
+ len-=4;
while (tmp>0) {
if (!TTEST2(*tptr, 4))
- goto trunctlv;
+ goto trunctlv;
printf("\n\t\t\tLink-ID: 0x%08x", EXTRACT_32BITS(tptr));
tptr+=4;
- len-=4;
+ len-=4;
}
break;
- case TLV_LSP:
- tlv_lsp = (const struct isis_tlv_lsp *)tptr;
+ case TLV_LSP:
+ tlv_lsp = (const struct isis_tlv_lsp *)tptr;
while(tmp>0) {
printf("\n\t\t\tlsp-id: %s",
isis_print_nodeid(tlv_lsp->lsp_id));
case TLV_CHECKSUM:
if (!TTEST2(*tptr, 2))
goto trunctlv;
- printf("\n\t\t\tchecksum: 0x%04x (%s)",
+ printf("\n\t\t\tchecksum: 0x%04x (%s)",
EXTRACT_16BITS(tptr),
(osi_cksum(optr, length)) ? "incorrect" : "correct");
break;
case TLV_MT_SUPPORTED:
while (tmp>1) {
- /* length can only be a multiple of 2, otherwise there is
+ /* length can only be a multiple of 2, otherwise there is
something broken -> so decode down until length is 1 */
if (tmp!=1) {
if (!TTEST2(*tptr, 2))
case TLV_RESTART_SIGNALING:
if (!TTEST2(*tptr, 3))
- goto trunctlv;
+ goto trunctlv;
rr = ISIS_MASK_TLV_RESTART_RR(*tptr);
ra = ISIS_MASK_TLV_RESTART_RA(*tptr);
tptr++;
printf("\n\t\t\tInter-Domain Information Type: %s",
tok2str(isis_subtlv_idrp_values,
"Unknown (0x%02x)",
- *tptr));
+ *tptr));
switch (*tptr++) {
case SUBTLV_IDRP_ASN:
if (!TTEST2(*tptr, 2)) /* fetch AS number */
case TLV_LSP_BUFFERSIZE:
if (!TTEST2(*tptr, 2))
- goto trunctlv;
+ goto trunctlv;
printf("LSP Buffersize: %u",EXTRACT_16BITS(tptr));
break;
isis_print_metric_block((const struct isis_metric_block *)tptr);
tptr+=sizeof(struct isis_metric_block);
tmp-=sizeof(struct isis_metric_block);
-
+
while(tmp>0) {
if (!TTEST2(*tptr, 1))
goto trunctlv;
prefix_len=*tptr++; /* read out prefix length in semioctets*/
tmp--;
if (!TTEST2(*tptr, prefix_len/2))
- goto trunctlv;
+ goto trunctlv;
printf("\n\t\t\tAddress: %s/%u",
print_nsap(tptr,prefix_len/2),
prefix_len*4);
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