* Original code by Matt Thomas, Digital Equipment Corporation
*
- * complete IS-IS support.
+ * complete IS-IS & CLNP support.
*/
#ifndef lint
static const char rcsid[] _U_ =
- "@(#) $Header: /tcpdump/master/tcpdump/print-isoclns.c,v 1.111 2003-12-15 03:42:48 guy Exp $ (LBL)";
+ "@(#) $Header: /tcpdump/master/tcpdump/print-isoclns.c,v 1.138 2005-04-26 07:14:07 guy Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_H
#include "addrtoname.h"
#include "ethertype.h"
#include "ether.h"
+#include "nlpid.h"
#include "extract.h"
#include "gmpls.h"
#include "oui.h"
-#define NLPID_CLNS 129 /* 0x81 */
-#define NLPID_ESIS 130 /* 0x82 */
-#define NLPID_ISIS 131 /* 0x83 */
-#define NLPID_IP6 0x8e
-#define NLPID_IP 0xcc
-#define NLPID_NULLNS 0
-
#define IPV4 1 /* AFI value */
#define IPV6 2 /* AFI value */
#define LSP_ID_LEN SYSTEM_ID_LEN+2
#define ISIS_VERSION 1
-#define PDU_TYPE_MASK 0x1F
-#define PRIORITY_MASK 0x7F
-
-#define L1_LAN_IIH 15
-#define L2_LAN_IIH 16
-#define PTP_IIH 17
-#define L1_LSP 18
-#define L2_LSP 20
-#define L1_CSNP 24
-#define L2_CSNP 25
-#define L1_PSNP 26
-#define L2_PSNP 27
+#define ESIS_VERSION 1
+#define CLNP_VERSION 1
+
+#define ISIS_PDU_TYPE_MASK 0x1F
+#define ESIS_PDU_TYPE_MASK 0x1F
+#define CLNP_PDU_TYPE_MASK 0x1F
+#define CLNP_FLAG_MASK 0xE0
+#define ISIS_LAN_PRIORITY_MASK 0x7F
+
+#define ISIS_PDU_L1_LAN_IIH 15
+#define ISIS_PDU_L2_LAN_IIH 16
+#define ISIS_PDU_PTP_IIH 17
+#define ISIS_PDU_L1_LSP 18
+#define ISIS_PDU_L2_LSP 20
+#define ISIS_PDU_L1_CSNP 24
+#define ISIS_PDU_L2_CSNP 25
+#define ISIS_PDU_L1_PSNP 26
+#define ISIS_PDU_L2_PSNP 27
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_CSNP, "L2 CSNP"},
- { L1_PSNP, "L1 PSNP"},
- { L2_PSNP, "L2 PSNP"},
+ { ISIS_PDU_L1_LAN_IIH, "L1 Lan IIH"},
+ { ISIS_PDU_L2_LAN_IIH, "L2 Lan IIH"},
+ { ISIS_PDU_PTP_IIH, "p2p IIH"},
+ { ISIS_PDU_L1_LSP, "L1 LSP"},
+ { ISIS_PDU_L2_LSP, "L2 LSP"},
+ { ISIS_PDU_L1_CSNP, "L1 CSNP"},
+ { ISIS_PDU_L2_CSNP, "L2 CSNP"},
+ { ISIS_PDU_L1_PSNP, "L1 PSNP"},
+ { ISIS_PDU_L2_PSNP, "L2 PSNP"},
{ 0, NULL}
};
* list taken from rfc3359 plus some memory from veterans ;-)
*/
-#define TLV_AREA_ADDR 1 /* iso10589 */
-#define TLV_IS_REACH 2 /* iso10589 */
-#define TLV_ESNEIGH 3 /* iso10589 */
-#define TLV_PART_DIS 4 /* iso10589 */
-#define TLV_PREFIX_NEIGH 5 /* iso10589 */
-#define TLV_ISNEIGH 6 /* iso10589 */
-#define TLV_ISNEIGH_VARLEN 7 /* iso10589 */
-#define TLV_PADDING 8 /* iso10589 */
-#define TLV_LSP 9 /* iso10589 */
-#define TLV_AUTH 10 /* iso10589, rfc3567 */
-#define TLV_CHECKSUM 12 /* rfc3358 */
-#define TLV_LSP_BUFFERSIZE 14 /* iso10589 rev2 */
-#define TLV_EXT_IS_REACH 22 /* draft-ietf-isis-traffic-05 */
-#define TLV_IS_ALIAS_ID 24 /* draft-ietf-isis-ext-lsp-frags-02 */
-#define TLV_DECNET_PHASE4 42
-#define TLV_LUCENT_PRIVATE 66
-#define TLV_INT_IP_REACH 128 /* rfc1195, rfc2966 */
-#define TLV_PROTOCOLS 129 /* rfc1195 */
-#define TLV_EXT_IP_REACH 130 /* rfc1195, rfc2966 */
-#define TLV_IDRP_INFO 131 /* rfc1195 */
-#define TLV_IPADDR 132 /* rfc1195 */
-#define TLV_IPAUTH 133 /* rfc1195 */
-#define TLV_TE_ROUTER_ID 134 /* draft-ietf-isis-traffic-05 */
-#define TLV_EXTD_IP_REACH 135 /* draft-ietf-isis-traffic-05 */
-#define TLV_HOSTNAME 137 /* rfc2763 */
-#define TLV_SHARED_RISK_GROUP 138 /* draft-ietf-isis-gmpls-extensions */
-#define TLV_NORTEL_PRIVATE1 176
-#define TLV_NORTEL_PRIVATE2 177
-#define TLV_HOLDTIME 198 /* ES-IS */
-#define TLV_RESTART_SIGNALING 211 /* draft-ietf-isis-restart-01 */
-#define TLV_MT_IS_REACH 222 /* draft-ietf-isis-wg-multi-topology-05 */
-#define TLV_MT_SUPPORTED 229 /* draft-ietf-isis-wg-multi-topology-05 */
-#define TLV_IP6ADDR 232 /* draft-ietf-isis-ipv6-02 */
-#define TLV_MT_IP_REACH 235 /* draft-ietf-isis-wg-multi-topology-05 */
-#define TLV_IP6_REACH 236 /* draft-ietf-isis-ipv6-02 */
-#define TLV_MT_IP6_REACH 237 /* draft-ietf-isis-wg-multi-topology-05 */
-#define TLV_PTP_ADJ 240 /* rfc3373 */
-#define TLV_IIH_SEQNR 241 /* draft-shen-isis-iih-sequence-00 */
-#define TLV_VENDOR_PRIVATE 250 /* draft-ietf-isis-proprietary-tlv-00 */
+#define ISIS_TLV_AREA_ADDR 1 /* iso10589 */
+#define ISIS_TLV_IS_REACH 2 /* iso10589 */
+#define ISIS_TLV_ESNEIGH 3 /* iso10589 */
+#define ISIS_TLV_PART_DIS 4 /* iso10589 */
+#define ISIS_TLV_PREFIX_NEIGH 5 /* iso10589 */
+#define ISIS_TLV_ISNEIGH 6 /* iso10589 */
+#define ISIS_TLV_ISNEIGH_VARLEN 7 /* iso10589 */
+#define ISIS_TLV_PADDING 8 /* iso10589 */
+#define ISIS_TLV_LSP 9 /* iso10589 */
+#define ISIS_TLV_AUTH 10 /* iso10589, rfc3567 */
+#define ISIS_TLV_CHECKSUM 12 /* rfc3358 */
+#define ISIS_TLV_LSP_BUFFERSIZE 14 /* iso10589 rev2 */
+#define ISIS_TLV_EXT_IS_REACH 22 /* draft-ietf-isis-traffic-05 */
+#define ISIS_TLV_IS_ALIAS_ID 24 /* draft-ietf-isis-ext-lsp-frags-02 */
+#define ISIS_TLV_DECNET_PHASE4 42
+#define ISIS_TLV_LUCENT_PRIVATE 66
+#define ISIS_TLV_INT_IP_REACH 128 /* rfc1195, rfc2966 */
+#define ISIS_TLV_PROTOCOLS 129 /* rfc1195 */
+#define ISIS_TLV_EXT_IP_REACH 130 /* rfc1195, rfc2966 */
+#define ISIS_TLV_IDRP_INFO 131 /* rfc1195 */
+#define ISIS_TLV_IPADDR 132 /* rfc1195 */
+#define ISIS_TLV_IPAUTH 133 /* rfc1195 */
+#define ISIS_TLV_TE_ROUTER_ID 134 /* draft-ietf-isis-traffic-05 */
+#define ISIS_TLV_EXTD_IP_REACH 135 /* draft-ietf-isis-traffic-05 */
+#define ISIS_TLV_HOSTNAME 137 /* rfc2763 */
+#define ISIS_TLV_SHARED_RISK_GROUP 138 /* draft-ietf-isis-gmpls-extensions */
+#define ISIS_TLV_NORTEL_PRIVATE1 176
+#define ISIS_TLV_NORTEL_PRIVATE2 177
+#define ISIS_TLV_RESTART_SIGNALING 211 /* draft-ietf-isis-restart-01 */
+#define ISIS_TLV_MT_IS_REACH 222 /* draft-ietf-isis-wg-multi-topology-05 */
+#define ISIS_TLV_MT_SUPPORTED 229 /* draft-ietf-isis-wg-multi-topology-05 */
+#define ISIS_TLV_IP6ADDR 232 /* draft-ietf-isis-ipv6-02 */
+#define ISIS_TLV_MT_IP_REACH 235 /* draft-ietf-isis-wg-multi-topology-05 */
+#define ISIS_TLV_IP6_REACH 236 /* draft-ietf-isis-ipv6-02 */
+#define ISIS_TLV_MT_IP6_REACH 237 /* draft-ietf-isis-wg-multi-topology-05 */
+#define ISIS_TLV_PTP_ADJ 240 /* rfc3373 */
+#define ISIS_TLV_IIH_SEQNR 241 /* draft-shen-isis-iih-sequence-00 */
+#define ISIS_TLV_VENDOR_PRIVATE 250 /* draft-ietf-isis-experimental-tlv-01 */
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_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_IS_ALIAS_ID, "IS Alias ID"},
- { TLV_DECNET_PHASE4, "DECnet Phase IV"},
- { TLV_LUCENT_PRIVATE, "Lucent Proprietary"},
- { TLV_INT_IP_REACH, "IPv4 Internal Reachability"},
- { TLV_PROTOCOLS, "Protocols supported"},
- { TLV_EXT_IP_REACH, "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_EXTD_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_HOLDTIME, "Holdtime"},
- { 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_IIH_SEQNR, "Hello PDU Sequence Number"},
- { TLV_VENDOR_PRIVATE, "Vendor Private"},
+ { ISIS_TLV_AREA_ADDR, "Area address(es)"},
+ { ISIS_TLV_IS_REACH, "IS Reachability"},
+ { ISIS_TLV_ESNEIGH, "ES Neighbor(s)"},
+ { ISIS_TLV_PART_DIS, "Partition DIS"},
+ { ISIS_TLV_PREFIX_NEIGH, "Prefix Neighbors"},
+ { ISIS_TLV_ISNEIGH, "IS Neighbor(s)"},
+ { ISIS_TLV_ISNEIGH_VARLEN, "IS Neighbor(s) (variable length)"},
+ { ISIS_TLV_PADDING, "Padding"},
+ { ISIS_TLV_LSP, "LSP entries"},
+ { ISIS_TLV_AUTH, "Authentication"},
+ { ISIS_TLV_CHECKSUM, "Checksum"},
+ { ISIS_TLV_LSP_BUFFERSIZE, "LSP Buffersize"},
+ { ISIS_TLV_EXT_IS_REACH, "Extended IS Reachability"},
+ { ISIS_TLV_IS_ALIAS_ID, "IS Alias ID"},
+ { ISIS_TLV_DECNET_PHASE4, "DECnet Phase IV"},
+ { ISIS_TLV_LUCENT_PRIVATE, "Lucent Proprietary"},
+ { ISIS_TLV_INT_IP_REACH, "IPv4 Internal Reachability"},
+ { ISIS_TLV_PROTOCOLS, "Protocols supported"},
+ { ISIS_TLV_EXT_IP_REACH, "IPv4 External Reachability"},
+ { ISIS_TLV_IDRP_INFO, "Inter-Domain Information Type"},
+ { ISIS_TLV_IPADDR, "IPv4 Interface address(es)"},
+ { ISIS_TLV_IPAUTH, "IPv4 authentication (deprecated)"},
+ { ISIS_TLV_TE_ROUTER_ID, "Traffic Engineering Router ID"},
+ { ISIS_TLV_EXTD_IP_REACH, "Extended IPv4 Reachability"},
+ { ISIS_TLV_SHARED_RISK_GROUP, "Shared Risk Link Group"},
+ { ISIS_TLV_NORTEL_PRIVATE1, "Nortel Proprietary"},
+ { ISIS_TLV_NORTEL_PRIVATE2, "Nortel Proprietary"},
+ { ISIS_TLV_HOSTNAME, "Hostname"},
+ { ISIS_TLV_RESTART_SIGNALING, "Restart Signaling"},
+ { ISIS_TLV_MT_IS_REACH, "Multi Topology IS Reachability"},
+ { ISIS_TLV_MT_SUPPORTED, "Multi Topology"},
+ { ISIS_TLV_IP6ADDR, "IPv6 Interface address(es)"},
+ { ISIS_TLV_MT_IP_REACH, "Multi-Topology IPv4 Reachability"},
+ { ISIS_TLV_IP6_REACH, "IPv6 reachability"},
+ { ISIS_TLV_MT_IP6_REACH, "Multi-Topology IP6 Reachability"},
+ { ISIS_TLV_PTP_ADJ, "Point-to-point Adjacency State"},
+ { ISIS_TLV_IIH_SEQNR, "Hello PDU Sequence Number"},
+ { ISIS_TLV_VENDOR_PRIVATE, "Vendor Private"},
+ { 0, NULL }
+};
+
+#define ESIS_OPTION_PROTOCOLS 129
+#define ESIS_OPTION_QOS_MAINTENANCE 195 /* iso9542 */
+#define ESIS_OPTION_SECURITY 197 /* iso9542 */
+#define ESIS_OPTION_ES_CONF_TIME 198 /* iso9542 */
+#define ESIS_OPTION_PRIORITY 205 /* iso9542 */
+#define ESIS_OPTION_ADDRESS_MASK 225 /* iso9542 */
+#define ESIS_OPTION_SNPA_MASK 226 /* iso9542 */
+
+static struct tok esis_option_values[] = {
+ { ESIS_OPTION_PROTOCOLS, "Protocols supported"},
+ { ESIS_OPTION_QOS_MAINTENANCE, "QoS Maintenance" },
+ { ESIS_OPTION_SECURITY, "Security" },
+ { ESIS_OPTION_ES_CONF_TIME, "ES Configuration Time" },
+ { ESIS_OPTION_PRIORITY, "Priority" },
+ { ESIS_OPTION_ADDRESS_MASK, "Addressk Mask" },
+ { ESIS_OPTION_SNPA_MASK, "SNPA Mask" },
+ { 0, NULL }
+};
+
+#define CLNP_OPTION_DISCARD_REASON 193
+#define CLNP_OPTION_QOS_MAINTENANCE 195 /* iso8473 */
+#define CLNP_OPTION_PRIORITY 205 /* iso8473 */
+
+static struct tok clnp_option_values[] = {
+ { CLNP_OPTION_DISCARD_REASON, "Discard Reason"},
+ { CLNP_OPTION_PRIORITY, "Priority"},
+ { CLNP_OPTION_QOS_MAINTENANCE, "QoS Maintenance"},
{ 0, NULL }
};
-#define SUBTLV_EXT_IS_REACH_ADMIN_GROUP 3 /* draft-ietf-isis-traffic-05 */
-#define SUBTLV_EXT_IS_REACH_LINK_LOCAL_REMOTE_ID 4 /* draft-ietf-isis-gmpls-extensions */
-#define SUBTLV_EXT_IS_REACH_LINK_REMOTE_ID 5 /* draft-ietf-isis-traffic-05 */
-#define SUBTLV_EXT_IS_REACH_IPV4_INTF_ADDR 6 /* draft-ietf-isis-traffic-05 */
-#define SUBTLV_EXT_IS_REACH_IPV4_NEIGHBOR_ADDR 8 /* draft-ietf-isis-traffic-05 */
-#define SUBTLV_EXT_IS_REACH_MAX_LINK_BW 9 /* draft-ietf-isis-traffic-05 */
-#define SUBTLV_EXT_IS_REACH_RESERVABLE_BW 10 /* draft-ietf-isis-traffic-05 */
-#define SUBTLV_EXT_IS_REACH_UNRESERVED_BW 11 /* draft-ietf-isis-traffic-05 */
-#define SUBTLV_EXT_IS_REACH_TE_METRIC 18 /* draft-ietf-isis-traffic-05 */
-#define SUBTLV_EXT_IS_REACH_LINK_PROTECTION_TYPE 20 /* draft-ietf-isis-gmpls-extensions */
-#define SUBTLV_EXT_IS_REACH_INTF_SW_CAP_DESCR 21 /* draft-ietf-isis-gmpls-extensions */
+static struct tok clnp_option_rfd_class_values[] = {
+ { 0x0, "General"},
+ { 0x8, "Address"},
+ { 0x9, "Source Routeing"},
+ { 0xa, "Lifetime"},
+ { 0xb, "PDU Discarded"},
+ { 0xc, "Reassembly"},
+ { 0, NULL }
+};
+
+static struct tok clnp_option_rfd_general_values[] = {
+ { 0x0, "Reason not specified"},
+ { 0x1, "Protocol procedure error"},
+ { 0x2, "Incorrect checksum"},
+ { 0x3, "PDU discarded due to congestion"},
+ { 0x4, "Header syntax error (cannot be parsed)"},
+ { 0x5, "Segmentation needed but not permitted"},
+ { 0x6, "Incomplete PDU received"},
+ { 0x7, "Duplicate option"},
+ { 0, NULL }
+};
+
+static struct tok clnp_option_rfd_address_values[] = {
+ { 0x0, "Destination address unreachable"},
+ { 0x1, "Destination address unknown"},
+ { 0, NULL }
+};
+
+static struct tok clnp_option_rfd_source_routeing_values[] = {
+ { 0x0, "Unspecified source routeing error"},
+ { 0x1, "Syntax error in source routeing field"},
+ { 0x2, "Unknown address in source routeing field"},
+ { 0x3, "Path not acceptable"},
+ { 0, NULL }
+};
+
+static struct tok clnp_option_rfd_lifetime_values[] = {
+ { 0x0, "Lifetime expired while data unit in transit"},
+ { 0x1, "Lifetime expired during reassembly"},
+ { 0, NULL }
+};
+
+static struct tok clnp_option_rfd_pdu_discard_values[] = {
+ { 0x0, "Unsupported option not specified"},
+ { 0x1, "Unsupported protocol version"},
+ { 0x2, "Unsupported security option"},
+ { 0x3, "Unsupported source routeing option"},
+ { 0x4, "Unsupported recording of route option"},
+ { 0, NULL }
+};
+
+static struct tok clnp_option_rfd_reassembly_values[] = {
+ { 0x0, "Reassembly interference"},
+ { 0, NULL }
+};
+
+/* array of 16 error-classes */
+static struct tok *clnp_option_rfd_error_class[] = {
+ clnp_option_rfd_general_values,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ clnp_option_rfd_address_values,
+ clnp_option_rfd_source_routeing_values,
+ clnp_option_rfd_lifetime_values,
+ clnp_option_rfd_pdu_discard_values,
+ clnp_option_rfd_reassembly_values,
+ NULL,
+ NULL,
+ NULL
+};
+
+
+#define ISIS_SUBTLV_EXT_IS_REACH_ADMIN_GROUP 3 /* draft-ietf-isis-traffic-05 */
+#define ISIS_SUBTLV_EXT_IS_REACH_LINK_LOCAL_REMOTE_ID 4 /* draft-ietf-isis-gmpls-extensions */
+#define ISIS_SUBTLV_EXT_IS_REACH_LINK_REMOTE_ID 5 /* draft-ietf-isis-traffic-05 */
+#define ISIS_SUBTLV_EXT_IS_REACH_IPV4_INTF_ADDR 6 /* draft-ietf-isis-traffic-05 */
+#define ISIS_SUBTLV_EXT_IS_REACH_IPV4_NEIGHBOR_ADDR 8 /* draft-ietf-isis-traffic-05 */
+#define ISIS_SUBTLV_EXT_IS_REACH_MAX_LINK_BW 9 /* draft-ietf-isis-traffic-05 */
+#define ISIS_SUBTLV_EXT_IS_REACH_RESERVABLE_BW 10 /* draft-ietf-isis-traffic-05 */
+#define ISIS_SUBTLV_EXT_IS_REACH_UNRESERVED_BW 11 /* draft-ietf-isis-traffic-05 */
+#define ISIS_SUBTLV_EXT_IS_REACH_DIFFSERV_TE 12 /* draft-ietf-tewg-diff-te-proto-06 */
+#define ISIS_SUBTLV_EXT_IS_REACH_TE_METRIC 18 /* draft-ietf-isis-traffic-05 */
+#define ISIS_SUBTLV_EXT_IS_REACH_LINK_PROTECTION_TYPE 20 /* draft-ietf-isis-gmpls-extensions */
+#define ISIS_SUBTLV_EXT_IS_REACH_INTF_SW_CAP_DESCR 21 /* draft-ietf-isis-gmpls-extensions */
static struct tok isis_ext_is_reach_subtlv_values[] = {
- { SUBTLV_EXT_IS_REACH_ADMIN_GROUP, "Administrative groups" },
- { SUBTLV_EXT_IS_REACH_LINK_LOCAL_REMOTE_ID, "Link Local/Remote Identifier" },
- { SUBTLV_EXT_IS_REACH_LINK_REMOTE_ID, "Link Remote Identifier" },
- { SUBTLV_EXT_IS_REACH_IPV4_INTF_ADDR, "IPv4 interface address" },
- { SUBTLV_EXT_IS_REACH_IPV4_NEIGHBOR_ADDR, "IPv4 neighbor address" },
- { SUBTLV_EXT_IS_REACH_MAX_LINK_BW, "Maximum link bandwidth" },
- { SUBTLV_EXT_IS_REACH_RESERVABLE_BW, "Reservable link bandwidth" },
- { SUBTLV_EXT_IS_REACH_UNRESERVED_BW, "Unreserved bandwidth" },
- { SUBTLV_EXT_IS_REACH_TE_METRIC, "Traffic Engineering Metric" },
- { SUBTLV_EXT_IS_REACH_LINK_PROTECTION_TYPE, "Link Protection Type" },
- { SUBTLV_EXT_IS_REACH_INTF_SW_CAP_DESCR, "Interface Switching Capability" },
- { 250, "Reserved for cisco specific extensions" },
- { 251, "Reserved for cisco specific extensions" },
- { 252, "Reserved for cisco specific extensions" },
- { 253, "Reserved for cisco specific extensions" },
- { 254, "Reserved for cisco specific extensions" },
- { 255, "Reserved for future expansion" },
+ { ISIS_SUBTLV_EXT_IS_REACH_ADMIN_GROUP, "Administrative groups" },
+ { ISIS_SUBTLV_EXT_IS_REACH_LINK_LOCAL_REMOTE_ID, "Link Local/Remote Identifier" },
+ { ISIS_SUBTLV_EXT_IS_REACH_LINK_REMOTE_ID, "Link Remote Identifier" },
+ { ISIS_SUBTLV_EXT_IS_REACH_IPV4_INTF_ADDR, "IPv4 interface address" },
+ { ISIS_SUBTLV_EXT_IS_REACH_IPV4_NEIGHBOR_ADDR, "IPv4 neighbor address" },
+ { ISIS_SUBTLV_EXT_IS_REACH_MAX_LINK_BW, "Maximum link bandwidth" },
+ { ISIS_SUBTLV_EXT_IS_REACH_RESERVABLE_BW, "Reservable link bandwidth" },
+ { ISIS_SUBTLV_EXT_IS_REACH_UNRESERVED_BW, "Unreserved bandwidth" },
+ { ISIS_SUBTLV_EXT_IS_REACH_DIFFSERV_TE, "Diffserv TE" },
+ { ISIS_SUBTLV_EXT_IS_REACH_TE_METRIC, "Traffic Engineering Metric" },
+ { ISIS_SUBTLV_EXT_IS_REACH_LINK_PROTECTION_TYPE, "Link Protection Type" },
+ { ISIS_SUBTLV_EXT_IS_REACH_INTF_SW_CAP_DESCR, "Interface Switching Capability" },
+ { 250, "Reserved for cisco specific extensions" },
+ { 251, "Reserved for cisco specific extensions" },
+ { 252, "Reserved for cisco specific extensions" },
+ { 253, "Reserved for cisco specific extensions" },
+ { 254, "Reserved for cisco specific extensions" },
+ { 255, "Reserved for future expansion" },
{ 0, NULL }
};
-#define SUBTLV_EXTD_IP_REACH_ADMIN_TAG32 1 /* draft-ietf-isis-admin-tags-01 */
-#define SUBTLV_EXTD_IP_REACH_ADMIN_TAG64 2 /* draft-ietf-isis-admin-tags-01 */
-#define SUBTLV_EXTD_IP_REACH_MGMT_PREFIX_COLOR 117 /* draft-ietf-isis-wg-multi-topology-05 */
+#define ISIS_SUBTLV_EXTD_IP_REACH_ADMIN_TAG32 1 /* draft-ietf-isis-admin-tags-01 */
+#define ISIS_SUBTLV_EXTD_IP_REACH_ADMIN_TAG64 2 /* draft-ietf-isis-admin-tags-01 */
+#define ISIS_SUBTLV_EXTD_IP_REACH_MGMT_PREFIX_COLOR 117 /* draft-ietf-isis-wg-multi-topology-05 */
static struct tok isis_ext_ip_reach_subtlv_values[] = {
- { SUBTLV_EXTD_IP_REACH_ADMIN_TAG32, "32-Bit Administrative tag" },
- { SUBTLV_EXTD_IP_REACH_ADMIN_TAG64, "64-Bit Administrative tag" },
- { SUBTLV_EXTD_IP_REACH_MGMT_PREFIX_COLOR, "Management Prefix Color" },
+ { ISIS_SUBTLV_EXTD_IP_REACH_ADMIN_TAG32, "32-Bit Administrative tag" },
+ { ISIS_SUBTLV_EXTD_IP_REACH_ADMIN_TAG64, "64-Bit Administrative tag" },
+ { ISIS_SUBTLV_EXTD_IP_REACH_MGMT_PREFIX_COLOR, "Management Prefix Color" },
{ 0, NULL }
};
-#define SUBTLV_AUTH_SIMPLE 1
-#define SUBTLV_AUTH_MD5 54
-#define SUBTLV_AUTH_MD5_LEN 16
-#define SUBTLV_AUTH_PRIVATE 255
+#define ISIS_SUBTLV_AUTH_SIMPLE 1
+#define ISIS_SUBTLV_AUTH_MD5 54
+#define ISIS_SUBTLV_AUTH_MD5_LEN 16
+#define ISIS_SUBTLV_AUTH_PRIVATE 255
static struct tok isis_subtlv_auth_values[] = {
- { SUBTLV_AUTH_SIMPLE, "simple text password"},
- { SUBTLV_AUTH_MD5, "HMAC-MD5 password"},
- { SUBTLV_AUTH_PRIVATE, "Routing Domain private password"},
+ { ISIS_SUBTLV_AUTH_SIMPLE, "simple text password"},
+ { ISIS_SUBTLV_AUTH_MD5, "HMAC-MD5 password"},
+ { ISIS_SUBTLV_AUTH_PRIVATE, "Routing Domain private password"},
{ 0, NULL }
};
-#define SUBTLV_IDRP_RES 0
-#define SUBTLV_IDRP_LOCAL 1
-#define SUBTLV_IDRP_ASN 2
+#define ISIS_SUBTLV_IDRP_RES 0
+#define ISIS_SUBTLV_IDRP_LOCAL 1
+#define ISIS_SUBTLV_IDRP_ASN 2
static struct tok isis_subtlv_idrp_values[] = {
- { SUBTLV_IDRP_RES, "Reserved"},
- { SUBTLV_IDRP_LOCAL, "Routing-Domain Specific"},
- { SUBTLV_IDRP_ASN, "AS Number Tag"},
+ { ISIS_SUBTLV_IDRP_RES, "Reserved"},
+ { ISIS_SUBTLV_IDRP_LOCAL, "Routing-Domain Specific"},
+ { ISIS_SUBTLV_IDRP_ASN, "AS Number Tag"},
{ 0, NULL}
};
-#define ISIS_8BIT_MASK(x) ((x)&0xff)
+#define CLNP_SEGMENT_PART 0x80
+#define CLNP_MORE_SEGMENTS 0x40
+#define CLNP_REQUEST_ER 0x20
+
+static struct tok clnp_flag_values[] = {
+ { CLNP_SEGMENT_PART, "Segmentation permitted"},
+ { CLNP_MORE_SEGMENTS, "more Segments"},
+ { CLNP_REQUEST_ER, "request Error Report"},
+ { 0, NULL}
+};
#define ISIS_MASK_LSP_OL_BIT(x) ((x)&0x4)
#define ISIS_MASK_LSP_ISTYPE_BITS(x) ((x)&0x3)
{ 0, NULL }
};
-static struct tok osi_nlpid_values[] = {
- { NLPID_CLNS, "CLNS"},
- { NLPID_IP, "IPv4"},
- { NLPID_IP6, "IPv6"},
- { 0, NULL }
-};
-
/*
* Katz's point to point adjacency TLV uses codes to tell us the state of
* the remote adjacency. Enumerate them.
#define ISIS_PTP_ADJ_INIT 1
#define ISIS_PTP_ADJ_DOWN 2
-
static struct tok isis_ptp_adjancey_values[] = {
{ ISIS_PTP_ADJ_UP, "Up" },
{ ISIS_PTP_ADJ_INIT, "Initializing" },
};
static int osi_cksum(const u_int8_t *, u_int);
+static int clnp_print(const u_int8_t *, u_int);
static void esis_print(const u_int8_t *, u_int);
static int isis_print(const u_int8_t *, u_int);
u_int8_t checksum[2];
};
-static char *
-print_nsap(register const u_int8_t *pptr, register int nsap_length)
-{
- int nsap_idx;
- static char nsap_ascii_output[sizeof("xx.xxxx.xxxx.xxxx.xxxx.xxxx.xxxx.xxxx.xxxx.xxxx.xx")];
- char *junk_buf = nsap_ascii_output;
-
- if (nsap_length < 1 || nsap_length > 20) {
- snprintf(nsap_ascii_output, sizeof(nsap_ascii_output),
- "illegal length");
- return (nsap_ascii_output);
- }
-
- for (nsap_idx = 0; nsap_idx < nsap_length; nsap_idx++) {
- if (!TTEST2(*pptr, 1))
- return (0);
- snprintf(junk_buf,
- sizeof(nsap_ascii_output) - (junk_buf - nsap_ascii_output),
- "%02x", *pptr++);
- junk_buf += strlen(junk_buf);
- if (((nsap_idx & 1) == 0) &&
- (nsap_idx + 1 < nsap_length)) {
- *junk_buf++ = '.';
- }
- }
- *(junk_buf) = '\0';
- return (nsap_ascii_output);
-}
-
#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))
void isoclns_print(const u_int8_t *p, u_int length, u_int caplen)
{
- u_int8_t pdu_type;
const struct isis_common_header *header;
header = (const struct isis_common_header *)p;
- pdu_type = header->pdu_type & PDU_TYPE_MASK;
-
- printf("%sOSI", caplen < 1 ? "|" : "");
- if (caplen < 1) /* enough bytes on the wire ? */
- return;
+ if (caplen <= 1) { /* enough bytes on the wire ? */
+ printf("|OSI");
+ return;
+ }
+ if (eflag)
+ printf("OSI NLPID %s (0x%02x): ",
+ tok2str(nlpid_values,"Unknown",*p),
+ *p);
+
switch (*p) {
- case NLPID_CLNS:
- (void)printf(", CLNS, length %u", length);
+ case NLPID_CLNP:
+ if (!clnp_print(p, length))
+ print_unknown_data(p,"\n\t",caplen);
break;
case NLPID_ESIS:
break;
case NLPID_NULLNS:
- (void)printf(", ISO NULLNS, length: %u", length);
+ (void)printf("%slength: %u",
+ eflag ? "" : ", ",
+ length);
break;
+ case NLPID_Q933:
+ q933_print(p+1, length-1);
+ break;
+
+ case NLPID_IP:
+ ip_print(gndo, p+1, length-1);
+ break;
+
+#ifdef INET6
+ case NLPID_IP6:
+ ip6_print(p+1, length-1);
+ break;
+#endif
+
+ case NLPID_PPP:
+ ppp_print(p+1, length-1);
+ break;
+
default:
- (void)printf(", Unknown NLPID 0x%02x, length: %u", p[0], length);
+ if (!eflag)
+ printf("OSI NLPID 0x%02x unknown",*p);
+ (void)printf("%slength: %u",
+ eflag ? "" : ", ",
+ length);
if (caplen > 1)
print_unknown_data(p,"\n\t",caplen);
break;
}
}
-#define ESIS_REDIRECT 6
-#define ESIS_ESH 2
-#define ESIS_ISH 4
+#define CLNP_PDU_ER 1
+#define CLNP_PDU_DT 28
+#define CLNP_PDU_MD 29
+#define CLNP_PDU_ERQ 30
+#define CLNP_PDU_ERP 31
+
+static struct tok clnp_pdu_values[] = {
+ { CLNP_PDU_ER, "Error Report"},
+ { CLNP_PDU_MD, "MD"},
+ { CLNP_PDU_DT, "Data"},
+ { CLNP_PDU_ERQ, "Echo Request"},
+ { CLNP_PDU_ERP, "Echo Response"},
+ { 0, NULL }
+};
+
+struct clnp_header_t {
+ u_int8_t nlpid;
+ u_int8_t length_indicator;
+ u_int8_t version;
+ u_int8_t lifetime; /* units of 500ms */
+ u_int8_t type;
+ u_int8_t segment_length[2];
+ u_int8_t cksum[2];
+};
+
+struct clnp_segment_header_t {
+ u_int8_t data_unit_id[2];
+ u_int8_t segment_offset[2];
+ u_int8_t total_length[2];
+};
+
+/*
+ * clnp_print
+ * Decode CLNP packets. Return 0 on error.
+ */
+
+static int clnp_print (const u_int8_t *pptr, u_int length)
+{
+ const u_int8_t *optr,*source_address,*dest_address;
+ u_int li,source_address_length,dest_address_length, clnp_pdu_type, clnp_flags;
+ const struct clnp_header_t *clnp_header;
+ const struct clnp_segment_header_t *clnp_segment_header;
+ u_int8_t rfd_error_major,rfd_error_minor;
+
+ clnp_header = (const struct clnp_header_t *) pptr;
+ TCHECK(*clnp_header);
+
+ li = clnp_header->length_indicator;
+ optr = pptr;
+
+ if (!eflag)
+ printf("CLNP");
+
+ /*
+ * Sanity checking of the header.
+ */
+
+ if (clnp_header->version != CLNP_VERSION) {
+ printf("version %d packet not supported", clnp_header->version);
+ return (0);
+ }
+
+ /* FIXME further header sanity checking */
+
+ clnp_pdu_type = clnp_header->type & CLNP_PDU_TYPE_MASK;
+ clnp_flags = clnp_header->type & CLNP_FLAG_MASK;
+
+ pptr += sizeof(struct clnp_header_t);
+ li -= sizeof(struct clnp_header_t);
+ dest_address_length = *pptr;
+ dest_address = pptr + 1;
+
+ pptr += (1 + dest_address_length);
+ li -= (1 + dest_address_length);
+ source_address_length = *pptr;
+ source_address = pptr +1;
+
+ pptr += (1 + source_address_length);
+ li -= (1 + source_address_length);
+
+ if (vflag < 1) {
+ printf("%s%s > %s, %s, length %u",
+ eflag ? "" : ", ",
+ isonsap_string(source_address, source_address_length),
+ isonsap_string(dest_address, dest_address_length),
+ tok2str(clnp_pdu_values,"unknown (%u)",clnp_pdu_type),
+ length);
+ return (1);
+ }
+ printf("%slength %u",eflag ? "" : ", ",length);
+
+ printf("\n\t%s PDU, hlen: %u, v: %u, lifetime: %u.%us, Segment PDU length: %u, checksum: 0x%04x ",
+ tok2str(clnp_pdu_values, "unknown (%u)",clnp_pdu_type),
+ clnp_header->length_indicator,
+ clnp_header->version,
+ clnp_header->lifetime/2,
+ (clnp_header->lifetime%2)*5,
+ EXTRACT_16BITS(clnp_header->segment_length),
+ EXTRACT_16BITS(clnp_header->cksum));
+
+ /* do not attempt to verify the checksum if it is zero */
+ if (EXTRACT_16BITS(clnp_header->cksum) == 0)
+ printf("(unverified)");
+ else printf("(%s)", osi_cksum(optr, clnp_header->length_indicator) ? "incorrect" : "correct");
+
+ printf("\n\tFlags [%s]",
+ bittok2str(clnp_flag_values,"none",clnp_flags));
+
+ printf("\n\tsource address (length %u): %s\n\tdest address (length %u): %s",
+ source_address_length,
+ isonsap_string(source_address, source_address_length),
+ dest_address_length,
+ isonsap_string(dest_address,dest_address_length));
+
+ if (clnp_flags & CLNP_SEGMENT_PART) {
+ clnp_segment_header = (const struct clnp_segment_header_t *) pptr;
+ printf("\n\tData Unit ID: 0x%04x, Segment Offset: %u, Total PDU Length: %u",
+ EXTRACT_16BITS(clnp_segment_header->data_unit_id),
+ EXTRACT_16BITS(clnp_segment_header->segment_offset),
+ EXTRACT_16BITS(clnp_segment_header->total_length));
+ pptr+=sizeof(const struct clnp_segment_header_t);
+ li-=sizeof(const struct clnp_segment_header_t);
+ }
+
+ /* now walk the options */
+ while (li >= 2) {
+ u_int op, opli;
+ const u_int8_t *tptr;
+
+ TCHECK2(*pptr, 2);
+ if (li < 2) {
+ printf(", bad opts/li");
+ return (0);
+ }
+ op = *pptr++;
+ opli = *pptr++;
+ li -= 2;
+ TCHECK2(*pptr, opli);
+ if (opli > li) {
+ printf(", opt (%d) too long", op);
+ return (0);
+ }
+ li -= opli;
+ tptr = pptr;
+
+ printf("\n\t %s Option #%u, length %u, value: ",
+ tok2str(clnp_option_values,"Unknown",op),
+ op,
+ opli);
+
+ switch (op) {
+
+ case CLNP_OPTION_PRIORITY:
+ printf("%u", *tptr);
+ break;
+
+ case CLNP_OPTION_DISCARD_REASON:
+ rfd_error_major = (*tptr&0xf0) >> 4;
+ rfd_error_minor = *tptr&0x0f;
+ printf("\n\t Class: %s Error (0x%01x), %s (0x%01x)",
+ tok2str(clnp_option_rfd_class_values,"Unknown",rfd_error_major),
+ rfd_error_major,
+ tok2str(clnp_option_rfd_error_class[rfd_error_major],"Unknown",rfd_error_minor),
+ rfd_error_minor);
+ break;
+
+ /*
+ * FIXME those are the defined Options that lack a decoder
+ * you are welcome to contribute code ;-)
+ */
+
+ default:
+ print_unknown_data(tptr,"\n\t ",opli);
+ break;
+ }
+ if (vflag > 1)
+ print_unknown_data(pptr,"\n\t ",opli);
+ pptr += opli;
+ }
-static struct tok esis_values[] = {
- { ESIS_REDIRECT, "redirect"},
- { ESIS_ESH, "ESH"},
- { ESIS_ISH, "ISH"},
+ switch (clnp_pdu_type) {
+
+ case CLNP_PDU_ER: /* fall through */
+ case CLNP_PDU_ERP:
+ TCHECK(*pptr);
+ if (*(pptr) == NLPID_CLNP) {
+ printf("\n\t-----original packet-----\n\t");
+ /* FIXME recursion protection */
+ clnp_print(pptr, length-clnp_header->length_indicator);
+ break;
+ }
+
+ case CLNP_PDU_DT:
+ case CLNP_PDU_MD:
+ case CLNP_PDU_ERQ:
+
+ default:
+ /* dump the PDU specific data */
+ if (length-(pptr-optr) > 0) {
+ printf("\n\t undecoded non-header data, length %u",length-clnp_header->length_indicator);
+ print_unknown_data(pptr,"\n\t ",length-(pptr-optr));
+ }
+ }
+
+ return (1);
+
+ trunc:
+ fputs("[|clnp]", stdout);
+ return (1);
+
+}
+
+
+#define ESIS_PDU_REDIRECT 6
+#define ESIS_PDU_ESH 2
+#define ESIS_PDU_ISH 4
+
+static struct tok esis_pdu_values[] = {
+ { ESIS_PDU_REDIRECT, "redirect"},
+ { ESIS_PDU_ESH, "ESH"},
+ { ESIS_PDU_ISH, "ISH"},
{ 0, NULL }
};
-struct esis_hdr {
+struct esis_header_t {
+ u_int8_t nlpid;
+ u_int8_t length_indicator;
u_int8_t version;
u_int8_t reserved;
u_int8_t type;
- u_int8_t tmo[2];
+ u_int8_t holdtime[2];
u_int8_t cksum[2];
};
static void
-esis_print(const u_int8_t *p, u_int length)
+esis_print(const u_int8_t *pptr, u_int length)
{
- const u_int8_t *ep;
- u_int li;
- const struct esis_hdr *eh;
+ const u_int8_t *optr;
+ u_int li,esis_pdu_type,source_address_length, source_address_number;
+ const struct esis_header_t *esis_header;
+
+ if (!eflag)
+ printf("ES-IS");
if (length <= 2) {
if (qflag)
- printf(" bad pkt!");
+ printf("bad pkt!");
else
- printf(" no header at all!");
+ printf("no header at all!");
return;
}
- li = p[1];
- eh = (const struct esis_hdr *) &p[2];
- ep = p + li;
+
+ esis_header = (const struct esis_header_t *) pptr;
+ TCHECK(*esis_header);
+ li = esis_header->length_indicator;
+ optr = pptr;
+
+ /*
+ * Sanity checking of the header.
+ */
+
+ if (esis_header->nlpid != NLPID_ESIS) {
+ printf(" nlpid 0x%02x packet not supported", esis_header->nlpid);
+ return;
+ }
+
+ if (esis_header->version != ESIS_VERSION) {
+ printf(" version %d packet not supported", esis_header->version);
+ return;
+ }
+
if (li > length) {
- if (qflag)
- printf(" bad pkt!");
- else
- printf(" LI(%d) > PDU size (%d)!", li, length);
- return;
+ printf(" length indicator(%d) > PDU size (%d)!", li, length);
+ return;
}
- if (li < sizeof(struct esis_hdr) + 2) {
- if (qflag)
- printf(" bad pkt!");
- else {
- printf(" too short for esis header %d:", li);
- while (--length != 0)
- printf("%02X", *p++);
- }
- return;
+
+ if (li < sizeof(struct esis_header_t) + 2) {
+ printf(" length indicator < min PDU size %d:", li);
+ while (--length != 0)
+ printf("%02X", *pptr++);
+ return;
}
- printf(", ES-IS, %s, length %u",
- tok2str(esis_values,"unknown type: %u",eh->type & 0x1f),
- length);
+ esis_pdu_type = esis_header->type & ESIS_PDU_TYPE_MASK;
- if(vflag < 1)
- return;
+ if (vflag < 1) {
+ printf("%s%s, length %u",
+ eflag ? "" : ", ",
+ tok2str(esis_pdu_values,"unknown type (%u)",esis_pdu_type),
+ length);
+ return;
+ } else
+ printf("%slength %u\n\t%s (%u)",
+ eflag ? "" : ", ",
+ length,
+ tok2str(esis_pdu_values,"unknown type: %u", esis_pdu_type),
+ esis_pdu_type);
+
+ printf(", v: %u%s", esis_header->version, esis_header->version == ESIS_VERSION ? "" : "unsupported" );
+ printf(", checksum: 0x%04x ", EXTRACT_16BITS(esis_header->cksum));
+ /* do not attempt to verify the checksum if it is zero */
+ if (EXTRACT_16BITS(esis_header->cksum) == 0)
+ printf("(unverified)");
+ else
+ printf("(%s)", osi_cksum(pptr, li) ? "incorrect" : "correct");
- if (vflag && osi_cksum(p, li)) {
- printf(" bad cksum (got 0x%02x%02x)",
- eh->cksum[1], eh->cksum[0]);
- default_print(p, length);
- return;
- }
- if (eh->version != 1) {
- printf(" unsupported version %d", eh->version);
- return;
- }
- p += sizeof(*eh) + 2;
- li -= sizeof(*eh) + 2; /* protoid * li */
+ printf(", holding time: %us, length indicator: %u",EXTRACT_16BITS(esis_header->holdtime),li);
+
+ if (vflag > 1)
+ print_unknown_data(optr,"\n\t",sizeof(struct esis_header_t));
- switch (eh->type & 0x1f) {
- case ESIS_REDIRECT: {
- const u_int8_t *dst, *snpa, *is;
+ pptr += sizeof(struct esis_header_t);
+ li -= sizeof(struct esis_header_t);
- dst = p; p += *p + 1;
- if (p > snapend)
+ switch (esis_pdu_type) {
+ case ESIS_PDU_REDIRECT: {
+ const u_int8_t *dst, *snpa, *neta;
+ u_int dstl, snpal, netal;
+
+ TCHECK(*pptr);
+ if (li < 1) {
+ printf(", bad redirect/li");
return;
- printf("\n\t\t %s", isonsap_string(dst));
- snpa = p; p += *p + 1;
- is = p; p += *p + 1;
- if (p > snapend)
+ }
+ dstl = *pptr;
+ pptr++;
+ li--;
+ TCHECK2(*pptr, dstl);
+ if (li < dstl) {
+ printf(", bad redirect/li");
return;
- if (p > ep) {
- printf(" [bad li]");
+ }
+ dst = pptr;
+ pptr += dstl;
+ li -= dstl;
+ printf("\n\t %s", isonsap_string(dst,dstl));
+
+ TCHECK(*pptr);
+ if (li < 1) {
+ printf(", bad redirect/li");
+ return;
+ }
+ snpal = *pptr;
+ pptr++;
+ li--;
+ TCHECK2(*pptr, snpal);
+ if (li < snpal) {
+ printf(", bad redirect/li");
return;
}
- if (is[0] == 0)
- printf(" > %s", etheraddr_string(&snpa[1]));
+ snpa = pptr;
+ pptr += snpal;
+ li -= snpal;
+ TCHECK(*pptr);
+ if (li < 1) {
+ printf(", bad redirect/li");
+ return;
+ }
+ netal = *pptr;
+ pptr++;
+ TCHECK2(*pptr, netal);
+ if (li < netal) {
+ printf(", bad redirect/li");
+ return;
+ }
+ neta = pptr;
+ pptr += netal;
+ li -= netal;
+
+ if (netal == 0)
+ printf("\n\t %s", etheraddr_string(snpa));
else
- printf(" > %s", isonsap_string(is));
- li = ep - p;
+ printf("\n\t %s", isonsap_string(neta,netal));
break;
}
- case ESIS_ESH:
- break;
+ case ESIS_PDU_ESH:
+ TCHECK(*pptr);
+ if (li < 1) {
+ printf(", bad esh/li");
+ return;
+ }
+ source_address_number = *pptr;
+ pptr++;
+ li--;
+
+ printf("\n\t Number of Source Addresses: %u", source_address_number);
+
+ while (source_address_number > 0) {
+ TCHECK(*pptr);
+ if (li < 1) {
+ printf(", bad esh/li");
+ return;
+ }
+ source_address_length = *pptr;
+ pptr++;
+ li--;
+
+ TCHECK2(*pptr, source_address_length);
+ if (li < source_address_length) {
+ printf(", bad esh/li");
+ return;
+ }
+ printf("\n\t NET (length: %u): %s",
+ source_address_length,
+ isonsap_string(pptr,source_address_length));
+ pptr += source_address_length;
+ li -= source_address_length;
+ source_address_number--;
+ }
- case ESIS_ISH: {
- const u_int8_t *is;
+ break;
- is = p; p += *p + 1;
- if (p > ep) {
- printf(" [bad li]");
- return;
- }
- if (p > snapend)
- return;
- if (!qflag)
- printf("\n\tNET: %s", print_nsap(is+1,*is));
- li = ep - p;
- break;
+ case ESIS_PDU_ISH: {
+ TCHECK(*pptr);
+ if (li < 1) {
+ printf(", bad ish/li");
+ return;
+ }
+ source_address_length = *pptr;
+ pptr++;
+ li--;
+ TCHECK2(*pptr, source_address_length);
+ if (li < source_address_length) {
+ printf(", bad ish/li");
+ return;
+ }
+ printf("\n\t NET (length: %u): %s", source_address_length, isonsap_string(pptr, source_address_length));
+ pptr += source_address_length;
+ li -= source_address_length;
+ break;
}
default:
if (vflag <= 1) {
- if (p < snapend)
- print_unknown_data(p,"\n\t ",snapend-p);
+ if (pptr < snapend)
+ print_unknown_data(pptr,"\n\t ",snapend-pptr);
}
return;
}
- /* hexdump - FIXME ? */
- if (vflag > 1) {
- if (p < snapend)
- print_unknown_data(p,"\n\t ",snapend-p);
+ /* now walk the options */
+ while (li >= 2) {
+ u_int op, opli;
+ const u_int8_t *tptr;
+
+ TCHECK2(*pptr, 2);
+ if (li < 2) {
+ printf(", bad opts/li");
+ return;
+ }
+ op = *pptr++;
+ opli = *pptr++;
+ li -= 2;
+ if (opli > li) {
+ printf(", opt (%d) too long", op);
+ return;
+ }
+ li -= opli;
+ tptr = pptr;
+
+ printf("\n\t %s Option #%u, length %u, value: ",
+ tok2str(esis_option_values,"Unknown",op),
+ op,
+ opli);
+
+ switch (op) {
+
+ case ESIS_OPTION_ES_CONF_TIME:
+ TCHECK2(*pptr, 2);
+ printf("%us", EXTRACT_16BITS(tptr));
+ break;
+
+ case ESIS_OPTION_PROTOCOLS:
+ while (opli>0) {
+ TCHECK(*pptr);
+ printf("%s (0x%02x)",
+ tok2str(nlpid_values,
+ "unknown",
+ *tptr),
+ *tptr);
+ if (opli>1) /* further NPLIDs ? - put comma */
+ printf(", ");
+ tptr++;
+ opli--;
+ }
+ break;
+
+ /*
+ * FIXME those are the defined Options that lack a decoder
+ * you are welcome to contribute code ;-)
+ */
+
+ case ESIS_OPTION_QOS_MAINTENANCE:
+ case ESIS_OPTION_SECURITY:
+ case ESIS_OPTION_PRIORITY:
+ case ESIS_OPTION_ADDRESS_MASK:
+ case ESIS_OPTION_SNPA_MASK:
+
+ default:
+ print_unknown_data(tptr,"\n\t ",opli);
+ break;
+ }
+ if (vflag > 1)
+ print_unknown_data(pptr,"\n\t ",opli);
+ pptr += opli;
}
- if (vflag)
- while (p < ep && li) {
- u_int op, opli;
- const u_int8_t *q;
-
- if (snapend - p < 2)
- return;
- if (li < 2) {
- printf(", bad opts/li");
- return;
- }
- op = *p++;
- opli = *p++;
- li -= 2;
- if (opli > li) {
- printf(", opt (%d) too long", op);
- return;
- }
- li -= opli;
- q = p;
- p += opli;
-
- if (snapend < p)
- return;
-
- if (op == TLV_HOLDTIME && opli == 2) {
- printf("\n\tholdtime: %us", EXTRACT_16BITS(q));
- continue;
- }
-
- if (op == TLV_PROTOCOLS && opli >= 1) {
- printf("\n\t%s (length: %u): %s",
- tok2str(isis_tlv_values, "unknown", op),
- opli,
- tok2str(osi_nlpid_values,"Unknown 0x%02x",*q));
- continue;
- }
-
- print_unknown_data(q,"\n\t ",opli);
- }
-}
+trunc:
+ return;
+}
/* shared routine for printing system, node and lsp-ids */
static char *
goto trunctlv;
switch(subt) {
- case SUBTLV_EXTD_IP_REACH_MGMT_PREFIX_COLOR: /* fall through */
- case SUBTLV_EXTD_IP_REACH_ADMIN_TAG32:
+ case ISIS_SUBTLV_EXTD_IP_REACH_MGMT_PREFIX_COLOR: /* fall through */
+ case ISIS_SUBTLV_EXTD_IP_REACH_ADMIN_TAG32:
while (subl >= 4) {
printf(", 0x%08x (=%u)",
EXTRACT_32BITS(tptr),
subl-=4;
}
break;
- case SUBTLV_EXTD_IP_REACH_ADMIN_TAG64:
+ case ISIS_SUBTLV_EXTD_IP_REACH_ADMIN_TAG64:
while (subl >= 8) {
printf(", 0x%08x%08x",
EXTRACT_32BITS(tptr),
static int
isis_print_is_reach_subtlv (const u_int8_t *tptr,int subt,int subl,const char *ident) {
- int priority_level;
+ int priority_level,bandwidth_constraint;
union { /* int to float conversion buffer for several subTLVs */
float f;
u_int32_t i;
goto trunctlv;
switch(subt) {
- case SUBTLV_EXT_IS_REACH_ADMIN_GROUP:
- case SUBTLV_EXT_IS_REACH_LINK_LOCAL_REMOTE_ID:
- case SUBTLV_EXT_IS_REACH_LINK_REMOTE_ID:
- printf(", 0x%08x", EXTRACT_32BITS(tptr));
- if (subl == 8) /* draft-ietf-isis-gmpls-extensions */
- printf(", 0x%08x", EXTRACT_32BITS(tptr+4));
+ case ISIS_SUBTLV_EXT_IS_REACH_ADMIN_GROUP:
+ case ISIS_SUBTLV_EXT_IS_REACH_LINK_LOCAL_REMOTE_ID:
+ case ISIS_SUBTLV_EXT_IS_REACH_LINK_REMOTE_ID:
+ if (subl >= 4) {
+ printf(", 0x%08x", EXTRACT_32BITS(tptr));
+ if (subl == 8) /* draft-ietf-isis-gmpls-extensions */
+ printf(", 0x%08x", EXTRACT_32BITS(tptr+4));
+ }
break;
- case SUBTLV_EXT_IS_REACH_IPV4_INTF_ADDR:
- case SUBTLV_EXT_IS_REACH_IPV4_NEIGHBOR_ADDR:
- printf(", %s", ipaddr_string(tptr));
+ case ISIS_SUBTLV_EXT_IS_REACH_IPV4_INTF_ADDR:
+ case ISIS_SUBTLV_EXT_IS_REACH_IPV4_NEIGHBOR_ADDR:
+ if (subl >= 4)
+ printf(", %s", ipaddr_string(tptr));
break;
- case SUBTLV_EXT_IS_REACH_MAX_LINK_BW :
- case SUBTLV_EXT_IS_REACH_RESERVABLE_BW:
- bw.i = EXTRACT_32BITS(tptr);
- printf(", %.3f Mbps", bw.f*8/1000000 );
+ case ISIS_SUBTLV_EXT_IS_REACH_MAX_LINK_BW :
+ case ISIS_SUBTLV_EXT_IS_REACH_RESERVABLE_BW:
+ if (subl >= 4) {
+ bw.i = EXTRACT_32BITS(tptr);
+ printf(", %.3f Mbps", bw.f*8/1000000 );
+ }
break;
- case SUBTLV_EXT_IS_REACH_UNRESERVED_BW :
- for (priority_level = 0; priority_level < 8; priority_level++) {
+ case ISIS_SUBTLV_EXT_IS_REACH_UNRESERVED_BW :
+ if (subl >= 32) {
+ for (priority_level = 0; priority_level < 8; priority_level++) {
bw.i = EXTRACT_32BITS(tptr);
printf("%s priority level %d: %.3f Mbps",
ident,
priority_level,
bw.f*8/1000000 );
tptr+=4;
+ }
}
break;
- case SUBTLV_EXT_IS_REACH_TE_METRIC:
- printf(", %u", EXTRACT_24BITS(tptr));
+ case ISIS_SUBTLV_EXT_IS_REACH_DIFFSERV_TE:
+ printf("%sBandwidth Constraints Model ID: %s (%u)",
+ ident,
+ tok2str(diffserv_te_bc_values, "unknown", *tptr),
+ *tptr);
+ tptr++;
+ /* decode BCs until the subTLV ends */
+ for (bandwidth_constraint = 0; bandwidth_constraint < (subl-1)/4; bandwidth_constraint++) {
+ bw.i = EXTRACT_32BITS(tptr);
+ printf("%s Bandwidth constraint %d: %.3f Mbps",
+ ident,
+ bandwidth_constraint,
+ bw.f*8/1000000 );
+ tptr+=4;
+ }
+ break;
+ case ISIS_SUBTLV_EXT_IS_REACH_TE_METRIC:
+ if (subl >= 3)
+ printf(", %u", EXTRACT_24BITS(tptr));
break;
- case SUBTLV_EXT_IS_REACH_LINK_PROTECTION_TYPE:
- printf(", %s, Priority %u",
+ case ISIS_SUBTLV_EXT_IS_REACH_LINK_PROTECTION_TYPE:
+ if (subl >= 2) {
+ printf(", %s, Priority %u",
bittok2str(gmpls_link_prot_values, "none", *tptr),
*(tptr+1));
+ }
break;
- case SUBTLV_EXT_IS_REACH_INTF_SW_CAP_DESCR:
- printf("%s Interface Switching Capability:%s",
+ case ISIS_SUBTLV_EXT_IS_REACH_INTF_SW_CAP_DESCR:
+ if (subl >= 36) {
+ printf("%s Interface Switching Capability:%s",
ident,
tok2str(gmpls_switch_cap_values, "Unknown", *(tptr)));
- printf(", LSP Encoding: %s",
+ printf(", LSP Encoding: %s",
tok2str(gmpls_encoding_values, "Unknown", *(tptr+1)));
- tptr+=4;
- printf("%s Max LSP Bandwidth:",ident);
- for (priority_level = 0; priority_level < 8; priority_level++) {
+ tptr+=4;
+ printf("%s Max LSP Bandwidth:",ident);
+ for (priority_level = 0; priority_level < 8; priority_level++) {
bw.i = EXTRACT_32BITS(tptr);
printf("%s priority level %d: %.3f Mbps",
ident,
priority_level,
bw.f*8/1000000 );
tptr+=4;
- }
- subl-=36;
- /* there is some optional stuff left to decode but this is as of yet
- not specified so just lets hexdump what is left */
- if(subl>0){
+ }
+ subl-=36;
+ /* there is some optional stuff left to decode but this is as of yet
+ not specified so just lets hexdump what is left */
+ if(subl>0){
if(!print_unknown_data(tptr,"\n\t\t ",
subl-36))
return(0);
+ }
}
break;
default:
printf("%sIS Neighbor: %s", ident, isis_print_id(tptr, NODE_ID_LEN));
tptr+=(NODE_ID_LEN);
- if (tlv_type != TLV_IS_ALIAS_ID) { /* the Alias TLV Metric field is implicit 0 */
+ if (tlv_type != ISIS_TLV_IS_ALIAS_ID) { /* the Alias TLV Metric field is implicit 0 */
if (!TTEST2(*tptr, 3)) /* and is therefore skipped */
return(0);
printf(", Metric: %d",EXTRACT_24BITS(tptr));
static int isis_print (const u_int8_t *p, u_int length)
{
- const struct isis_common_header *header;
+ const struct isis_common_header *isis_header;
const struct isis_iih_lan_header *header_iih_lan;
const struct isis_iih_ptp_header *header_iih_ptp;
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;
- TCHECK(*header);
+ isis_header = (const struct isis_common_header *)p;
+ TCHECK(*isis_header);
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_csnp = (const struct isis_csnp_header *)pptr;
header_psnp = (const struct isis_psnp_header *)pptr;
+ if (!eflag)
+ printf("IS-IS");
+
/*
* Sanity checking of the header.
*/
- if (header->version != ISIS_VERSION) {
- printf(", version %d packet not supported", header->version);
+ if (isis_header->version != ISIS_VERSION) {
+ printf("version %d packet not supported", isis_header->version);
return (0);
}
- if ((header->id_length != SYSTEM_ID_LEN) && (header->id_length != 0)) {
- printf(", system ID length of %d is not supported",
- header->id_length);
+ if ((isis_header->id_length != SYSTEM_ID_LEN) && (isis_header->id_length != 0)) {
+ printf("system ID length of %d is not supported",
+ isis_header->id_length);
return (0);
}
- if (header->pdu_version != ISIS_VERSION) {
- printf(", version %d packet not supported", header->pdu_version);
+ if (isis_header->pdu_version != ISIS_VERSION) {
+ printf("version %d packet not supported", isis_header->pdu_version);
return (0);
}
- max_area = header->max_area;
+ max_area = isis_header->max_area;
switch(max_area) {
case 0:
max_area = 3; /* silly shit */
break;
case 255:
- printf(", bad packet -- 255 areas");
+ printf("bad packet -- 255 areas");
return (0);
default:
break;
}
- id_length = header->id_length;
+ id_length = isis_header->id_length;
switch(id_length) {
case 0:
id_length = 6; /* silly shit again */
/* toss any non 6-byte sys-ID len PDUs */
if (id_length != 6 ) {
- printf(", bad packet -- illegal sys-ID length (%u)", id_length);
+ printf("bad packet -- illegal sys-ID length (%u)", id_length);
return (0);
}
- pdu_type=header->pdu_type;
+ pdu_type=isis_header->pdu_type;
/* in non-verbose mode print the basic PDU Type plus PDU specific brief information*/
if (vflag < 1) {
- printf(", IS-IS, %s",
+ printf("%s%s",
+ eflag ? "" : ", ",
tok2str(isis_pdu_values,"unknown PDU-Type %u",pdu_type));
switch (pdu_type) {
- case L1_LAN_IIH:
- case L2_LAN_IIH:
+ case ISIS_PDU_L1_LAN_IIH:
+ case ISIS_PDU_L2_LAN_IIH:
printf(", src-id %s",
isis_print_id(header_iih_lan->source_id,SYSTEM_ID_LEN));
printf(", lan-id %s, prio %u",
isis_print_id(header_iih_lan->lan_id,NODE_ID_LEN),
header_iih_lan->priority);
break;
- case PTP_IIH:
+ case ISIS_PDU_PTP_IIH:
printf(", src-id %s", isis_print_id(header_iih_ptp->source_id,SYSTEM_ID_LEN));
break;
- case L1_LSP:
- case L2_LSP:
+ case ISIS_PDU_L1_LSP:
+ case ISIS_PDU_L2_LSP:
printf(", lsp-id %s, seq 0x%08x, lifetime %5us",
isis_print_id(header_lsp->lsp_id, LSP_ID_LEN),
EXTRACT_32BITS(header_lsp->sequence_number),
EXTRACT_16BITS(header_lsp->remaining_lifetime));
break;
- case L1_CSNP:
- case L2_CSNP:
- printf(", src-id %s", isis_print_id(header_csnp->source_id,SYSTEM_ID_LEN));
+ case ISIS_PDU_L1_CSNP:
+ case ISIS_PDU_L2_CSNP:
+ printf(", src-id %s", isis_print_id(header_csnp->source_id,NODE_ID_LEN));
break;
- case L1_PSNP:
- case L2_PSNP:
- printf(", src-id %s", isis_print_id(header_psnp->source_id,SYSTEM_ID_LEN));
+ case ISIS_PDU_L1_PSNP:
+ case ISIS_PDU_L2_PSNP:
+ printf(", src-id %s", isis_print_id(header_psnp->source_id,NODE_ID_LEN));
break;
}
}
/* ok they seem to want to know everything - lets fully decode it */
- printf(", IS-IS, length: %u",length);
+ printf("%slength %u", eflag ? "" : ", ",length);
printf("\n\t%s, hlen: %u, v: %u, pdu-v: %u, sys-id-len: %u (%u), max-area: %u (%u)",
tok2str(isis_pdu_values,
"unknown, type %u",
pdu_type),
- header->fixed_len,
- header->version,
- header->pdu_version,
+ isis_header->fixed_len,
+ isis_header->version,
+ isis_header->pdu_version,
id_length,
- header->id_length,
+ isis_header->id_length,
max_area,
- header->max_area);
+ isis_header->max_area);
if (vflag > 1) {
if(!print_unknown_data(optr,"\n\t",8)) /* provide the _o_riginal pointer */
switch (pdu_type) {
- case L1_LAN_IIH:
- case L2_LAN_IIH:
- if (header->fixed_len != (ISIS_COMMON_HEADER_SIZE+ISIS_IIH_LAN_HEADER_SIZE)) {
+ case ISIS_PDU_L1_LAN_IIH:
+ case ISIS_PDU_L2_LAN_IIH:
+ if (isis_header->fixed_len != (ISIS_COMMON_HEADER_SIZE+ISIS_IIH_LAN_HEADER_SIZE)) {
printf(", bogus fixed header length %u should be %lu",
- header->fixed_len, (unsigned long)ISIS_IIH_LAN_HEADER_SIZE);
+ isis_header->fixed_len, (unsigned long)ISIS_IIH_LAN_HEADER_SIZE);
return (0);
}
printf("\n\t lan-id: %s, Priority: %u, PDU length: %u",
isis_print_id(header_iih_lan->lan_id, NODE_ID_LEN),
- (header_iih_lan->priority) & PRIORITY_MASK,
+ (header_iih_lan->priority) & ISIS_LAN_PRIORITY_MASK,
pdu_len);
if (vflag > 1) {
pptr = p + (ISIS_COMMON_HEADER_SIZE+ISIS_IIH_LAN_HEADER_SIZE);
break;
- case PTP_IIH:
- if (header->fixed_len != (ISIS_COMMON_HEADER_SIZE+ISIS_IIH_PTP_HEADER_SIZE)) {
+ case ISIS_PDU_PTP_IIH:
+ if (isis_header->fixed_len != (ISIS_COMMON_HEADER_SIZE+ISIS_IIH_PTP_HEADER_SIZE)) {
printf(", bogus fixed header length %u should be %lu",
- header->fixed_len, (unsigned long)ISIS_IIH_PTP_HEADER_SIZE);
+ isis_header->fixed_len, (unsigned long)ISIS_IIH_PTP_HEADER_SIZE);
return (0);
}
pptr = p + (ISIS_COMMON_HEADER_SIZE+ISIS_IIH_PTP_HEADER_SIZE);
break;
- case L1_LSP:
- case L2_LSP:
- if (header->fixed_len != (ISIS_COMMON_HEADER_SIZE+ISIS_LSP_HEADER_SIZE)) {
+ case ISIS_PDU_L1_LSP:
+ case ISIS_PDU_L2_LSP:
+ if (isis_header->fixed_len != (ISIS_COMMON_HEADER_SIZE+ISIS_LSP_HEADER_SIZE)) {
printf(", bogus fixed header length %u should be %lu",
- header->fixed_len, (unsigned long)ISIS_LSP_HEADER_SIZE);
+ isis_header->fixed_len, (unsigned long)ISIS_LSP_HEADER_SIZE);
return (0);
}
pptr = p + (ISIS_COMMON_HEADER_SIZE+ISIS_LSP_HEADER_SIZE);
break;
- case L1_CSNP:
- case L2_CSNP:
- if (header->fixed_len != (ISIS_COMMON_HEADER_SIZE+ISIS_CSNP_HEADER_SIZE)) {
+ case ISIS_PDU_L1_CSNP:
+ case ISIS_PDU_L2_CSNP:
+ if (isis_header->fixed_len != (ISIS_COMMON_HEADER_SIZE+ISIS_CSNP_HEADER_SIZE)) {
printf(", bogus fixed header length %u should be %lu",
- header->fixed_len, (unsigned long)ISIS_CSNP_HEADER_SIZE);
+ isis_header->fixed_len, (unsigned long)ISIS_CSNP_HEADER_SIZE);
return (0);
}
pptr = p + (ISIS_COMMON_HEADER_SIZE+ISIS_CSNP_HEADER_SIZE);
break;
- case L1_PSNP:
- case L2_PSNP:
- if (header->fixed_len != (ISIS_COMMON_HEADER_SIZE+ISIS_PSNP_HEADER_SIZE)) {
+ case ISIS_PDU_L1_PSNP:
+ case ISIS_PDU_L2_PSNP:
+ if (isis_header->fixed_len != (ISIS_COMMON_HEADER_SIZE+ISIS_PSNP_HEADER_SIZE)) {
printf("- bogus fixed header length %u should be %lu",
- header->fixed_len, (unsigned long)ISIS_PSNP_HEADER_SIZE);
+ isis_header->fixed_len, (unsigned long)ISIS_PSNP_HEADER_SIZE);
return (0);
}
tlv_type,
tlv_len);
+ if (tlv_len == 0) /* something is malformed */
+ break;
+
/* now check if we have a decoder otherwise do a hexdump at the end*/
switch (tlv_type) {
- case TLV_AREA_ADDR:
+ case ISIS_TLV_AREA_ADDR:
if (!TTEST2(*tptr, 1))
goto trunctlv;
alen = *tptr++;
while (tmp && alen < tmp) {
printf("\n\t Area address (length: %u): %s",
alen,
- print_nsap(tptr, alen));
+ isonsap_string(tptr,alen));
tptr += alen;
tmp -= alen + 1;
if (tmp==0) /* if this is the last area address do not attemt a boundary check */
alen = *tptr++;
}
break;
- case TLV_ISNEIGH:
+ case ISIS_TLV_ISNEIGH:
while (tmp >= ETHER_ADDR_LEN) {
if (!TTEST2(*tptr, ETHER_ADDR_LEN))
goto trunctlv;
}
break;
- case TLV_ISNEIGH_VARLEN:
- if (!TTEST2(*tptr, 1))
+ case ISIS_TLV_ISNEIGH_VARLEN:
+ if (!TTEST2(*tptr, 1) || tmp < 3) /* min. TLV length */
goto trunctlv;
- lan_alen = *tptr++; /* LAN adress length */
+ lan_alen = *tptr++; /* LAN address length */
+ if (lan_alen == 0) {
+ printf("\n\t LAN address length 0 bytes (invalid)");
+ break;
+ }
tmp --;
printf("\n\t LAN address length %u bytes ",lan_alen);
while (tmp >= lan_alen) {
}
break;
- case TLV_PADDING:
+ case ISIS_TLV_PADDING:
break;
- case TLV_MT_IS_REACH:
+ case ISIS_TLV_MT_IS_REACH:
while (tmp >= 2+NODE_ID_LEN+3+1) {
mt_len = isis_print_mtid(tptr, "\n\t ");
if (mt_len == 0) /* did something go wrong ? */
}
break;
- case TLV_IS_ALIAS_ID:
+ case ISIS_TLV_IS_ALIAS_ID:
while (tmp >= NODE_ID_LEN+1) { /* is it worth attempting a decode ? */
ext_is_len = isis_print_ext_is_reach(tptr,"\n\t ",tlv_type);
if (ext_is_len == 0) /* did something go wrong ? */
}
break;
- case TLV_EXT_IS_REACH:
+ case ISIS_TLV_EXT_IS_REACH:
while (tmp >= NODE_ID_LEN+3+1) { /* is it worth attempting a decode ? */
ext_is_len = isis_print_ext_is_reach(tptr,"\n\t ",tlv_type);
if (ext_is_len == 0) /* did something go wrong ? */
tptr+=ext_is_len;
}
break;
- case TLV_IS_REACH:
+ case ISIS_TLV_IS_REACH:
if (!TTEST2(*tptr,1)) /* check if there is one byte left to read out the virtual flag */
goto trunctlv;
printf("\n\t %s",
}
break;
- case TLV_ESNEIGH:
+ case ISIS_TLV_ESNEIGH:
tlv_es_reach = (const struct isis_tlv_es_reach *)tptr;
while (tmp >= sizeof(struct isis_tlv_es_reach)) {
if (!TTEST(*tlv_es_reach))
break;
/* those two TLVs share the same format */
- case TLV_INT_IP_REACH:
- case TLV_EXT_IP_REACH:
+ case ISIS_TLV_INT_IP_REACH:
+ case ISIS_TLV_EXT_IP_REACH:
if (!isis_print_tlv_ip_reach(pptr, "\n\t ", tlv_len))
return (1);
break;
- case TLV_EXTD_IP_REACH:
+ case ISIS_TLV_EXTD_IP_REACH:
while (tmp>0) {
ext_ip_len = isis_print_extd_ip_reach(tptr, "\n\t ", IPV4);
if (ext_ip_len == 0) /* did something go wrong ? */
}
break;
- case TLV_MT_IP_REACH:
+ case ISIS_TLV_MT_IP_REACH:
while (tmp>0) {
mt_len = isis_print_mtid(tptr, "\n\t ");
if (mt_len == 0) /* did something go wrong ? */
break;
#ifdef INET6
- case TLV_IP6_REACH:
+ case ISIS_TLV_IP6_REACH:
while (tmp>0) {
ext_ip_len = isis_print_extd_ip_reach(tptr, "\n\t ", IPV6);
if (ext_ip_len == 0) /* did something go wrong ? */
}
break;
- case TLV_MT_IP6_REACH:
+ case ISIS_TLV_MT_IP6_REACH:
while (tmp>0) {
mt_len = isis_print_mtid(tptr, "\n\t ");
if (mt_len == 0) /* did something go wrong ? */
}
break;
- case TLV_IP6ADDR:
+ case ISIS_TLV_IP6ADDR:
while (tmp>0) {
if (!TTEST2(*tptr, 16))
goto trunctlv;
}
break;
#endif
- case TLV_AUTH:
+ case ISIS_TLV_AUTH:
if (!TTEST2(*tptr, 1))
goto trunctlv;
*tptr));
switch (*tptr) {
- case SUBTLV_AUTH_SIMPLE:
+ case ISIS_SUBTLV_AUTH_SIMPLE:
for(i=1;i<tlv_len;i++) {
if (!TTEST2(*(tptr+i), 1))
goto trunctlv;
printf("%c",*(tptr+i));
}
break;
- case SUBTLV_AUTH_MD5:
+ case ISIS_SUBTLV_AUTH_MD5:
for(i=1;i<tlv_len;i++) {
if (!TTEST2(*(tptr+i), 1))
goto trunctlv;
printf("%02x",*(tptr+i));
}
- if (tlv_len != SUBTLV_AUTH_MD5_LEN+1)
+ if (tlv_len != ISIS_SUBTLV_AUTH_MD5_LEN+1)
printf(", (malformed subTLV) ");
break;
- case SUBTLV_AUTH_PRIVATE:
+ case ISIS_SUBTLV_AUTH_PRIVATE:
default:
if(!print_unknown_data(tptr+1,"\n\t\t ",tlv_len-1))
return(0);
}
break;
- case TLV_PTP_ADJ:
+ case ISIS_TLV_PTP_ADJ:
tlv_ptp_adj = (const struct isis_tlv_ptp_adj *)tptr;
if(tmp>=1) {
if (!TTEST2(*tptr, 1))
}
break;
- case TLV_PROTOCOLS:
+ case ISIS_TLV_PROTOCOLS:
printf("\n\t NLPID(s): ");
while (tmp>0) {
if (!TTEST2(*(tptr), 1))
goto trunctlv;
printf("%s (0x%02x)",
- tok2str(osi_nlpid_values,
+ tok2str(nlpid_values,
"unknown",
*tptr),
*tptr);
}
break;
- case TLV_TE_ROUTER_ID:
+ case ISIS_TLV_TE_ROUTER_ID:
if (!TTEST2(*pptr, 4))
goto trunctlv;
printf("\n\t Traffic Engineering Router ID: %s", ipaddr_string(pptr));
break;
- case TLV_IPADDR:
+ case ISIS_TLV_IPADDR:
while (tmp>0) {
if (!TTEST2(*tptr, 4))
goto trunctlv;
}
break;
- case TLV_HOSTNAME:
+ case ISIS_TLV_HOSTNAME:
printf("\n\t Hostname: ");
while (tmp>0) {
if (!TTEST2(*tptr, 1))
}
break;
- case TLV_SHARED_RISK_GROUP:
+ case ISIS_TLV_SHARED_RISK_GROUP:
if (!TTEST2(*tptr, NODE_ID_LEN))
goto trunctlv;
printf("\n\t IS Neighbor: %s", isis_print_id(tptr, NODE_ID_LEN));
}
break;
- case TLV_LSP:
+ case ISIS_TLV_LSP:
tlv_lsp = (const struct isis_tlv_lsp *)tptr;
while(tmp>0) {
if (!TTEST((tlv_lsp->lsp_id)[LSP_ID_LEN-1]))
}
break;
- case TLV_CHECKSUM:
+ case ISIS_TLV_CHECKSUM:
if (!TTEST2(*tptr, 2))
goto trunctlv;
printf("\n\t checksum: 0x%04x ", EXTRACT_16BITS(tptr));
else printf("(%s)", osi_cksum(optr, length) ? "incorrect" : "correct");
break;
- case TLV_MT_SUPPORTED:
+ case ISIS_TLV_MT_SUPPORTED:
while (tmp>1) {
/* length can only be a multiple of 2, otherwise there is
something broken -> so decode down until length is 1 */
}
break;
- case TLV_RESTART_SIGNALING:
+ case ISIS_TLV_RESTART_SIGNALING:
if (!TTEST2(*tptr, 3))
goto trunctlv;
printf("\n\t Flags [%s], Remaining holding time %us",
tptr+=3;
break;
- case TLV_IDRP_INFO:
+ case ISIS_TLV_IDRP_INFO:
if (!TTEST2(*tptr, 1))
goto trunctlv;
printf("\n\t Inter-Domain Information Type: %s",
"Unknown (0x%02x)",
*tptr));
switch (*tptr++) {
- case SUBTLV_IDRP_ASN:
+ case ISIS_SUBTLV_IDRP_ASN:
if (!TTEST2(*tptr, 2)) /* fetch AS number */
goto trunctlv;
printf("AS Number: %u",EXTRACT_16BITS(tptr));
break;
- case SUBTLV_IDRP_LOCAL:
- case SUBTLV_IDRP_RES:
+ case ISIS_SUBTLV_IDRP_LOCAL:
+ case ISIS_SUBTLV_IDRP_RES:
default:
if(!print_unknown_data(tptr,"\n\t ",tlv_len-1))
return(0);
}
break;
- case TLV_LSP_BUFFERSIZE:
+ case ISIS_TLV_LSP_BUFFERSIZE:
if (!TTEST2(*tptr, 2))
goto trunctlv;
printf("\n\t LSP Buffersize: %u",EXTRACT_16BITS(tptr));
break;
- case TLV_PART_DIS:
+ case ISIS_TLV_PART_DIS:
while (tmp >= SYSTEM_ID_LEN) {
if (!TTEST2(*tptr, SYSTEM_ID_LEN))
goto trunctlv;
}
break;
- case TLV_PREFIX_NEIGH:
+ case ISIS_TLV_PREFIX_NEIGH:
if (!TTEST2(*tptr, sizeof(struct isis_metric_block)))
goto trunctlv;
printf("\n\t Metric Block");
if (!TTEST2(*tptr, 1))
goto trunctlv;
prefix_len=*tptr++; /* read out prefix length in semioctets*/
+ if (prefix_len < 2) {
+ printf("\n\t\tAddress: prefix length %u < 2", prefix_len);
+ break;
+ }
tmp--;
if (!TTEST2(*tptr, prefix_len/2))
goto trunctlv;
printf("\n\t\tAddress: %s/%u",
- print_nsap(tptr,prefix_len/2),
+ isonsap_string(tptr,prefix_len/2),
prefix_len*4);
tptr+=prefix_len/2;
tmp-=prefix_len/2;
}
break;
- case TLV_IIH_SEQNR:
+ case ISIS_TLV_IIH_SEQNR:
if (!TTEST2(*tptr, 4)) /* check if four bytes are on the wire */
goto trunctlv;
printf("\n\t Sequence number: %u", EXTRACT_32BITS(tptr) );
break;
- case TLV_VENDOR_PRIVATE:
+ case ISIS_TLV_VENDOR_PRIVATE:
if (!TTEST2(*tptr, 3)) /* check if enough byte for a full oui */
goto trunctlv;
vendor_id = EXTRACT_24BITS(tptr);
* you are welcome to contribute code ;-)
*/
- case TLV_DECNET_PHASE4:
- case TLV_LUCENT_PRIVATE:
- case TLV_IPAUTH:
- case TLV_NORTEL_PRIVATE1:
- case TLV_NORTEL_PRIVATE2:
+ case ISIS_TLV_DECNET_PHASE4:
+ case ISIS_TLV_LUCENT_PRIVATE:
+ case ISIS_TLV_IPAUTH:
+ case ISIS_TLV_NORTEL_PRIVATE1:
+ case ISIS_TLV_NORTEL_PRIVATE2:
default:
if (vflag <= 1) {
}
return (c0 | c1);
}
+
+
+/*
+ * Local Variables:
+ * c-style: whitesmith
+ * c-basic-offset: 8
+ * End:
+ */
projects / tcpdump / blobdiff