/* * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that: (1) source code * distributions retain the above copyright notice and this paragraph * in its entirety, and (2) distributions including binary code include * the above copyright notice and this paragraph in its entirety in * the documentation or other materials provided with the distribution. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE. * * Original code by Hannes Gredler (hannes@gredler.at) * Support for LMP service discovery extensions (defined by OIF UNI 1.0) * added by Manu Pathak (mapathak@cisco.com), May 2005 */ /* \summary: Link Management Protocol (LMP) printer */ /* specification: RFC 4204 */ /* OIF UNI 1.0: https://web.archive.org/web/20160401194747/http://www.oiforum.com/public/documents/OIF-UNI-01.0.pdf */ #include #ifndef lint __RCSID("$NetBSD: print-lmp.c,v 1.13 2024/09/02 16:15:32 christos Exp $"); #endif #include #include "netdissect-stdinc.h" #define ND_LONGJMP_FROM_TCHECK #include "netdissect.h" #include "extract.h" #include "addrtoname.h" #include "gmpls.h" /* * LMP common header * * 0 1 2 3 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | Vers | (Reserved) | Flags | Msg Type | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | LMP Length | (Reserved) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ struct lmp_common_header { nd_uint16_t version_res; nd_uint8_t flags; nd_uint8_t msg_type; nd_uint16_t length; nd_byte reserved[2]; }; #define LMP_VERSION 1 #define LMP_EXTRACT_VERSION(x) (((x)&0xf000)>>12) static const struct tok lmp_header_flag_values[] = { { 0x01, "Control Channel Down"}, { 0x02, "LMP restart"}, { 0, NULL} }; static const struct tok lmp_obj_te_link_flag_values[] = { { 0x01, "Fault Management Supported"}, { 0x02, "Link Verification Supported"}, { 0, NULL} }; static const struct tok lmp_obj_data_link_flag_values[] = { { 0x01, "Data Link Port"}, { 0x02, "Allocated for user traffic"}, { 0x04, "Failed link"}, { 0, NULL} }; static const struct tok lmp_obj_channel_status_values[] = { { 1, "Signal Okay"}, { 2, "Signal Degraded"}, { 3, "Signal Fail"}, { 0, NULL} }; static const struct tok lmp_obj_begin_verify_flag_values[] = { { 0x0001, "Verify all links"}, { 0x0002, "Data link type"}, { 0, NULL} }; static const struct tok lmp_obj_begin_verify_error_values[] = { { 0x01, "Link Verification Procedure Not supported"}, { 0x02, "Unwilling to verify"}, { 0x04, "Unsupported verification transport mechanism"}, { 0x08, "Link-Id configuration error"}, { 0x10, "Unknown object c-type"}, { 0, NULL} }; static const struct tok lmp_obj_link_summary_error_values[] = { { 0x01, "Unacceptable non-negotiable LINK-SUMMARY parameters"}, { 0x02, "Renegotiate LINK-SUMMARY parameters"}, { 0x04, "Invalid TE-LINK Object"}, { 0x08, "Invalid DATA-LINK Object"}, { 0x10, "Unknown TE-LINK Object c-type"}, { 0x20, "Unknown DATA-LINK Object c-type"}, { 0, NULL} }; /* Service Config Supported Protocols Flags */ static const struct tok lmp_obj_service_config_sp_flag_values[] = { { 0x01, "RSVP Supported"}, { 0x02, "LDP Supported"}, { 0, NULL} }; /* Service Config Client Port Service Attribute Transparency Flags */ static const struct tok lmp_obj_service_config_cpsa_tp_flag_values[] = { { 0x01, "Path/VC Overhead Transparency Supported"}, { 0x02, "Line/MS Overhead Transparency Supported"}, { 0x04, "Section/RS Overhead Transparency Supported"}, { 0, NULL} }; /* Service Config Client Port Service Attribute Contiguous Concatenation Types Flags */ static const struct tok lmp_obj_service_config_cpsa_cct_flag_values[] = { { 0x01, "Contiguous Concatenation Types Supported"}, { 0, NULL} }; /* Service Config Network Service Attributes Transparency Flags */ static const struct tok lmp_obj_service_config_nsa_transparency_flag_values[] = { { 0x01, "Standard SOH/RSOH Transparency Supported"}, { 0x02, "Standard LOH/MSOH Transparency Supported"}, { 0, NULL} }; /* Service Config Network Service Attributes TCM Monitoring Flags */ static const struct tok lmp_obj_service_config_nsa_tcm_flag_values[] = { { 0x01, "Transparent Tandem Connection Monitoring Supported"}, { 0, NULL} }; /* Network Service Attributes Network Diversity Flags */ static const struct tok lmp_obj_service_config_nsa_network_diversity_flag_values[] = { { 0x01, "Node Diversity Supported"}, { 0x02, "Link Diversity Supported"}, { 0x04, "SRLG Diversity Supported"}, { 0, NULL} }; #define LMP_MSGTYPE_CONFIG 1 #define LMP_MSGTYPE_CONFIG_ACK 2 #define LMP_MSGTYPE_CONFIG_NACK 3 #define LMP_MSGTYPE_HELLO 4 #define LMP_MSGTYPE_VERIFY_BEGIN 5 #define LMP_MSGTYPE_VERIFY_BEGIN_ACK 6 #define LMP_MSGTYPE_VERIFY_BEGIN_NACK 7 #define LMP_MSGTYPE_VERIFY_END 8 #define LMP_MSGTYPE_VERIFY_END_ACK 9 #define LMP_MSGTYPE_TEST 10 #define LMP_MSGTYPE_TEST_STATUS_SUCCESS 11 #define LMP_MSGTYPE_TEST_STATUS_FAILURE 12 #define LMP_MSGTYPE_TEST_STATUS_ACK 13 #define LMP_MSGTYPE_LINK_SUMMARY 14 #define LMP_MSGTYPE_LINK_SUMMARY_ACK 15 #define LMP_MSGTYPE_LINK_SUMMARY_NACK 16 #define LMP_MSGTYPE_CHANNEL_STATUS 17 #define LMP_MSGTYPE_CHANNEL_STATUS_ACK 18 #define LMP_MSGTYPE_CHANNEL_STATUS_REQ 19 #define LMP_MSGTYPE_CHANNEL_STATUS_RESP 20 /* LMP Service Discovery message types defined by UNI 1.0 */ #define LMP_MSGTYPE_SERVICE_CONFIG 50 #define LMP_MSGTYPE_SERVICE_CONFIG_ACK 51 #define LMP_MSGTYPE_SERVICE_CONFIG_NACK 52 static const struct tok lmp_msg_type_values[] = { { LMP_MSGTYPE_CONFIG, "Config"}, { LMP_MSGTYPE_CONFIG_ACK, "Config ACK"}, { LMP_MSGTYPE_CONFIG_NACK, "Config NACK"}, { LMP_MSGTYPE_HELLO, "Hello"}, { LMP_MSGTYPE_VERIFY_BEGIN, "Begin Verify"}, { LMP_MSGTYPE_VERIFY_BEGIN_ACK, "Begin Verify ACK"}, { LMP_MSGTYPE_VERIFY_BEGIN_NACK, "Begin Verify NACK"}, { LMP_MSGTYPE_VERIFY_END, "End Verify"}, { LMP_MSGTYPE_VERIFY_END_ACK, "End Verify ACK"}, { LMP_MSGTYPE_TEST, "Test"}, { LMP_MSGTYPE_TEST_STATUS_SUCCESS, "Test Status Success"}, { LMP_MSGTYPE_TEST_STATUS_FAILURE, "Test Status Failure"}, { LMP_MSGTYPE_TEST_STATUS_ACK, "Test Status ACK"}, { LMP_MSGTYPE_LINK_SUMMARY, "Link Summary"}, { LMP_MSGTYPE_LINK_SUMMARY_ACK, "Link Summary ACK"}, { LMP_MSGTYPE_LINK_SUMMARY_NACK, "Link Summary NACK"}, { LMP_MSGTYPE_CHANNEL_STATUS, "Channel Status"}, { LMP_MSGTYPE_CHANNEL_STATUS_ACK, "Channel Status ACK"}, { LMP_MSGTYPE_CHANNEL_STATUS_REQ, "Channel Status Request"}, { LMP_MSGTYPE_CHANNEL_STATUS_RESP, "Channel Status Response"}, { LMP_MSGTYPE_SERVICE_CONFIG, "Service Config"}, { LMP_MSGTYPE_SERVICE_CONFIG_ACK, "Service Config ACK"}, { LMP_MSGTYPE_SERVICE_CONFIG_NACK, "Service Config NACK"}, { 0, NULL} }; /* * LMP object header * * 0 1 2 3 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * |N| C-Type | Class | Length | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | | * // (object contents) // * | | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ struct lmp_object_header { nd_uint8_t ctype; nd_uint8_t class_num; nd_uint16_t length; }; #define LMP_OBJ_CC_ID 1 #define LMP_OBJ_NODE_ID 2 #define LMP_OBJ_LINK_ID 3 #define LMP_OBJ_INTERFACE_ID 4 #define LMP_OBJ_MESSAGE_ID 5 #define LMP_OBJ_CONFIG 6 #define LMP_OBJ_HELLO 7 #define LMP_OBJ_VERIFY_BEGIN 8 #define LMP_OBJ_VERIFY_BEGIN_ACK 9 #define LMP_OBJ_VERIFY_ID 10 #define LMP_OBJ_TE_LINK 11 #define LMP_OBJ_DATA_LINK 12 #define LMP_OBJ_CHANNEL_STATUS 13 #define LMP_OBJ_CHANNEL_STATUS_REQ 14 #define LMP_OBJ_ERROR_CODE 20 #define LMP_OBJ_SERVICE_CONFIG 51 /* defined in UNI 1.0 */ static const struct tok lmp_obj_values[] = { { LMP_OBJ_CC_ID, "Control Channel ID" }, { LMP_OBJ_NODE_ID, "Node ID" }, { LMP_OBJ_LINK_ID, "Link ID" }, { LMP_OBJ_INTERFACE_ID, "Interface ID" }, { LMP_OBJ_MESSAGE_ID, "Message ID" }, { LMP_OBJ_CONFIG, "Configuration" }, { LMP_OBJ_HELLO, "Hello" }, { LMP_OBJ_VERIFY_BEGIN, "Verify Begin" }, { LMP_OBJ_VERIFY_BEGIN_ACK, "Verify Begin ACK" }, { LMP_OBJ_VERIFY_ID, "Verify ID" }, { LMP_OBJ_TE_LINK, "TE Link" }, { LMP_OBJ_DATA_LINK, "Data Link" }, { LMP_OBJ_CHANNEL_STATUS, "Channel Status" }, { LMP_OBJ_CHANNEL_STATUS_REQ, "Channel Status Request" }, { LMP_OBJ_ERROR_CODE, "Error Code" }, { LMP_OBJ_SERVICE_CONFIG, "Service Config" }, { 0, NULL} }; #define INT_SWITCHING_TYPE_SUBOBJ 1 #define WAVELENGTH_SUBOBJ 2 static const struct tok lmp_data_link_subobj[] = { { INT_SWITCHING_TYPE_SUBOBJ, "Interface Switching Type" }, { WAVELENGTH_SUBOBJ , "Wavelength" }, { 0, NULL} }; #define LMP_CTYPE_IPV4 1 #define LMP_CTYPE_IPV6 2 #define LMP_CTYPE_LOC 1 #define LMP_CTYPE_RMT 2 #define LMP_CTYPE_UNMD 3 #define LMP_CTYPE_IPV4_LOC 1 #define LMP_CTYPE_IPV4_RMT 2 #define LMP_CTYPE_IPV6_LOC 3 #define LMP_CTYPE_IPV6_RMT 4 #define LMP_CTYPE_UNMD_LOC 5 #define LMP_CTYPE_UNMD_RMT 6 #define LMP_CTYPE_1 1 #define LMP_CTYPE_2 2 #define LMP_CTYPE_HELLO_CONFIG 1 #define LMP_CTYPE_HELLO 1 #define LMP_CTYPE_BEGIN_VERIFY_ERROR 1 #define LMP_CTYPE_LINK_SUMMARY_ERROR 2 /* C-Types for Service Config Object */ #define LMP_CTYPE_SERVICE_CONFIG_SP 1 #define LMP_CTYPE_SERVICE_CONFIG_CPSA 2 #define LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM 3 #define LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY 4 /* * Different link types allowed in the Client Port Service Attributes * subobject defined for LMP Service Discovery in the UNI 1.0 spec */ #define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH 5 /* UNI 1.0 Sec 9.4.2 */ #define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET 6 /* UNI 1.0 Sec 9.4.2 */ /* * the ctypes are not globally unique so for * translating it to strings we build a table based * on objects offsetted by the ctype */ static const struct tok lmp_ctype_values[] = { { 256*LMP_OBJ_CC_ID+LMP_CTYPE_LOC, "Local" }, { 256*LMP_OBJ_CC_ID+LMP_CTYPE_RMT, "Remote" }, { 256*LMP_OBJ_NODE_ID+LMP_CTYPE_LOC, "Local" }, { 256*LMP_OBJ_NODE_ID+LMP_CTYPE_RMT, "Remote" }, { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" }, { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" }, { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" }, { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" }, { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" }, { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" }, { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" }, { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" }, { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" }, { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" }, { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" }, { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" }, { 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_1, "1" }, { 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_2, "2" }, { 256*LMP_OBJ_CONFIG+LMP_CTYPE_1, "1" }, { 256*LMP_OBJ_HELLO+LMP_CTYPE_1, "1" }, { 256*LMP_OBJ_VERIFY_BEGIN+LMP_CTYPE_1, "1" }, { 256*LMP_OBJ_VERIFY_BEGIN_ACK+LMP_CTYPE_1, "1" }, { 256*LMP_OBJ_VERIFY_ID+LMP_CTYPE_1, "1" }, { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV4, "IPv4" }, { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV6, "IPv6" }, { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_UNMD, "Unnumbered" }, { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV4, "IPv4" }, { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV6, "IPv6" }, { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_UNMD, "Unnumbered" }, { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV4, "IPv4" }, { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV6, "IPv6" }, { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_UNMD, "Unnumbered" }, { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV4, "IPv4" }, { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV6, "IPv6" }, { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_UNMD, "Unnumbered" }, { 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_1, "1" }, { 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_2, "2" }, { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_SP, "1" }, { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_CPSA, "2" }, { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM, "3" }, { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY, "4" }, { 0, NULL} }; static int lmp_print_data_link_subobjs(netdissect_options *ndo, const u_char *obj_tptr, int total_subobj_len, int offset) { int hexdump = FALSE; int subobj_type, subobj_len; union { /* int to float conversion buffer */ float f; uint32_t i; } bw; while (total_subobj_len > 0 && hexdump == FALSE ) { subobj_type = GET_U_1(obj_tptr + offset); subobj_len = GET_U_1(obj_tptr + offset + 1); ND_PRINT("\n\t Subobject, Type: %s (%u), Length: %u", tok2str(lmp_data_link_subobj, "Unknown", subobj_type), subobj_type, subobj_len); if (subobj_len < 4) { ND_PRINT(" (too short)"); break; } if ((subobj_len % 4) != 0) { ND_PRINT(" (not a multiple of 4)"); break; } if (total_subobj_len < subobj_len) { ND_PRINT(" (goes past the end of the object)"); break; } switch(subobj_type) { case INT_SWITCHING_TYPE_SUBOBJ: ND_PRINT("\n\t Switching Type: %s (%u)", tok2str(gmpls_switch_cap_values, "Unknown", GET_U_1(obj_tptr + offset + 2)), GET_U_1(obj_tptr + offset + 2)); ND_PRINT("\n\t Encoding Type: %s (%u)", tok2str(gmpls_encoding_values, "Unknown", GET_U_1(obj_tptr + offset + 3)), GET_U_1(obj_tptr + offset + 3)); bw.i = GET_BE_U_4(obj_tptr + offset + 4); ND_PRINT("\n\t Min Reservable Bandwidth: %.3f Mbps", bw.f*8/1000000); bw.i = GET_BE_U_4(obj_tptr + offset + 8); ND_PRINT("\n\t Max Reservable Bandwidth: %.3f Mbps", bw.f*8/1000000); break; case WAVELENGTH_SUBOBJ: ND_PRINT("\n\t Wavelength: %u", GET_BE_U_4(obj_tptr + offset + 4)); break; default: /* Any Unknown Subobject ==> Exit loop */ hexdump=TRUE; break; } total_subobj_len-=subobj_len; offset+=subobj_len; } return (hexdump); } void lmp_print(netdissect_options *ndo, const u_char *pptr, u_int length) { const struct lmp_common_header *lmp_com_header; const u_char *tptr,*obj_tptr; u_int version_res, tlen, lmp_obj_len, lmp_obj_ctype, obj_tlen; int hexdump; u_int offset; u_int link_type; union { /* int to float conversion buffer */ float f; uint32_t i; } bw; ndo->ndo_protocol = "lmp"; tptr=pptr; lmp_com_header = (const struct lmp_common_header *)pptr; ND_TCHECK_SIZE(lmp_com_header); version_res = GET_BE_U_2(lmp_com_header->version_res); /* * Sanity checking of the header. */ if (LMP_EXTRACT_VERSION(version_res) != LMP_VERSION) { ND_PRINT("LMP version %u packet not supported", LMP_EXTRACT_VERSION(version_res)); return; } /* in non-verbose mode just lets print the basic Message Type*/ if (ndo->ndo_vflag < 1) { ND_PRINT("LMPv%u %s Message, length: %u", LMP_EXTRACT_VERSION(version_res), tok2str(lmp_msg_type_values, "unknown (%u)",GET_U_1(lmp_com_header->msg_type)), length); return; } /* ok they seem to want to know everything - lets fully decode it */ tlen=GET_BE_U_2(lmp_com_header->length); ND_PRINT("\n\tLMPv%u, msg-type: %s, Flags: [%s], length: %u", LMP_EXTRACT_VERSION(version_res), tok2str(lmp_msg_type_values, "unknown, type: %u",GET_U_1(lmp_com_header->msg_type)), bittok2str(lmp_header_flag_values,"none",GET_U_1(lmp_com_header->flags)), tlen); if (tlen < sizeof(struct lmp_common_header)) { ND_PRINT(" (too short)"); return; } if (tlen > length) { ND_PRINT(" (too long)"); tlen = length; } tptr+=sizeof(struct lmp_common_header); tlen-=sizeof(struct lmp_common_header); while(tlen>0) { const struct lmp_object_header *lmp_obj_header = (const struct lmp_object_header *)tptr; lmp_obj_len=GET_BE_U_2(lmp_obj_header->length); lmp_obj_ctype=GET_U_1(lmp_obj_header->ctype)&0x7f; ND_PRINT("\n\t %s Object (%u), Class-Type: %s (%u) Flags: [%snegotiable], length: %u", tok2str(lmp_obj_values, "Unknown", GET_U_1(lmp_obj_header->class_num)), GET_U_1(lmp_obj_header->class_num), tok2str(lmp_ctype_values, "Unknown", (GET_U_1(lmp_obj_header->class_num)<<8)+lmp_obj_ctype), lmp_obj_ctype, GET_U_1(lmp_obj_header->ctype)&0x80 ? "" : "non-", lmp_obj_len); if (lmp_obj_len < 4) { ND_PRINT(" (too short)"); return; } if ((lmp_obj_len % 4) != 0) { ND_PRINT(" (not a multiple of 4)"); return; } obj_tptr=tptr+sizeof(struct lmp_object_header); obj_tlen=lmp_obj_len-sizeof(struct lmp_object_header); /* did we capture enough for fully decoding the object ? */ ND_TCHECK_LEN(tptr, lmp_obj_len); hexdump=FALSE; switch(GET_U_1(lmp_obj_header->class_num)) { case LMP_OBJ_CC_ID: switch(lmp_obj_ctype) { case LMP_CTYPE_LOC: case LMP_CTYPE_RMT: if (obj_tlen != 4) { ND_PRINT(" (not correct for object)"); break; } ND_PRINT("\n\t Control Channel ID: %u (0x%08x)", GET_BE_U_4(obj_tptr), GET_BE_U_4(obj_tptr)); break; default: hexdump=TRUE; } break; case LMP_OBJ_LINK_ID: case LMP_OBJ_INTERFACE_ID: switch(lmp_obj_ctype) { case LMP_CTYPE_IPV4_LOC: case LMP_CTYPE_IPV4_RMT: if (obj_tlen != 4) { ND_PRINT(" (not correct for object)"); break; } ND_PRINT("\n\t IPv4 Link ID: %s (0x%08x)", GET_IPADDR_STRING(obj_tptr), GET_BE_U_4(obj_tptr)); break; case LMP_CTYPE_IPV6_LOC: case LMP_CTYPE_IPV6_RMT: if (obj_tlen != 16) { ND_PRINT(" (not correct for object)"); break; } ND_PRINT("\n\t IPv6 Link ID: %s (0x%08x)", GET_IP6ADDR_STRING(obj_tptr), GET_BE_U_4(obj_tptr)); break; case LMP_CTYPE_UNMD_LOC: case LMP_CTYPE_UNMD_RMT: if (obj_tlen != 4) { ND_PRINT(" (not correct for object)"); break; } ND_PRINT("\n\t Link ID: %u (0x%08x)", GET_BE_U_4(obj_tptr), GET_BE_U_4(obj_tptr)); break; default: hexdump=TRUE; } break; case LMP_OBJ_MESSAGE_ID: switch(lmp_obj_ctype) { case LMP_CTYPE_1: if (obj_tlen != 4) { ND_PRINT(" (not correct for object)"); break; } ND_PRINT("\n\t Message ID: %u (0x%08x)", GET_BE_U_4(obj_tptr), GET_BE_U_4(obj_tptr)); break; case LMP_CTYPE_2: if (obj_tlen != 4) { ND_PRINT(" (not correct for object)"); break; } ND_PRINT("\n\t Message ID Ack: %u (0x%08x)", GET_BE_U_4(obj_tptr), GET_BE_U_4(obj_tptr)); break; default: hexdump=TRUE; } break; case LMP_OBJ_NODE_ID: switch(lmp_obj_ctype) { case LMP_CTYPE_LOC: case LMP_CTYPE_RMT: if (obj_tlen != 4) { ND_PRINT(" (not correct for object)"); break; } ND_PRINT("\n\t Node ID: %s (0x%08x)", GET_IPADDR_STRING(obj_tptr), GET_BE_U_4(obj_tptr)); break; default: hexdump=TRUE; } break; case LMP_OBJ_CONFIG: switch(lmp_obj_ctype) { case LMP_CTYPE_HELLO_CONFIG: if (obj_tlen != 4) { ND_PRINT(" (not correct for object)"); break; } ND_PRINT("\n\t Hello Interval: %u\n\t Hello Dead Interval: %u", GET_BE_U_2(obj_tptr), GET_BE_U_2(obj_tptr + 2)); break; default: hexdump=TRUE; } break; case LMP_OBJ_HELLO: switch(lmp_obj_ctype) { case LMP_CTYPE_HELLO: if (obj_tlen != 8) { ND_PRINT(" (not correct for object)"); break; } ND_PRINT("\n\t Tx Seq: %u, Rx Seq: %u", GET_BE_U_4(obj_tptr), GET_BE_U_4(obj_tptr + 4)); break; default: hexdump=TRUE; } break; case LMP_OBJ_TE_LINK: switch(lmp_obj_ctype) { case LMP_CTYPE_IPV4: if (obj_tlen != 12) { ND_PRINT(" (not correct for object)"); break; } ND_PRINT("\n\t Flags: [%s]", bittok2str(lmp_obj_te_link_flag_values, "none", GET_U_1(obj_tptr))); ND_PRINT("\n\t Local Link-ID: %s (0x%08x)" "\n\t Remote Link-ID: %s (0x%08x)", GET_IPADDR_STRING(obj_tptr+4), GET_BE_U_4(obj_tptr + 4), GET_IPADDR_STRING(obj_tptr+8), GET_BE_U_4(obj_tptr + 8)); break; case LMP_CTYPE_IPV6: if (obj_tlen != 36) { ND_PRINT(" (not correct for object)"); break; } ND_PRINT("\n\t Flags: [%s]", bittok2str(lmp_obj_te_link_flag_values, "none", GET_U_1(obj_tptr))); ND_PRINT("\n\t Local Link-ID: %s (0x%08x)" "\n\t Remote Link-ID: %s (0x%08x)", GET_IP6ADDR_STRING(obj_tptr+4), GET_BE_U_4(obj_tptr + 4), GET_IP6ADDR_STRING(obj_tptr+20), GET_BE_U_4(obj_tptr + 20)); break; case LMP_CTYPE_UNMD: if (obj_tlen != 12) { ND_PRINT(" (not correct for object)"); break; } ND_PRINT("\n\t Flags: [%s]", bittok2str(lmp_obj_te_link_flag_values, "none", GET_U_1(obj_tptr))); ND_PRINT("\n\t Local Link-ID: %u (0x%08x)" "\n\t Remote Link-ID: %u (0x%08x)", GET_BE_U_4(obj_tptr + 4), GET_BE_U_4(obj_tptr + 4), GET_BE_U_4(obj_tptr + 8), GET_BE_U_4(obj_tptr + 8)); break; default: hexdump=TRUE; } break; case LMP_OBJ_DATA_LINK: switch(lmp_obj_ctype) { case LMP_CTYPE_IPV4: if (obj_tlen < 12) { ND_PRINT(" (not correct for object)"); break; } ND_PRINT("\n\t Flags: [%s]", bittok2str(lmp_obj_data_link_flag_values, "none", GET_U_1(obj_tptr))); ND_PRINT("\n\t Local Interface ID: %s (0x%08x)" "\n\t Remote Interface ID: %s (0x%08x)", GET_IPADDR_STRING(obj_tptr+4), GET_BE_U_4(obj_tptr + 4), GET_IPADDR_STRING(obj_tptr+8), GET_BE_U_4(obj_tptr + 8)); if (lmp_print_data_link_subobjs(ndo, obj_tptr, obj_tlen - 12, 12)) hexdump=TRUE; break; case LMP_CTYPE_IPV6: if (obj_tlen < 36) { ND_PRINT(" (not correct for object)"); break; } ND_PRINT("\n\t Flags: [%s]", bittok2str(lmp_obj_data_link_flag_values, "none", GET_U_1(obj_tptr))); ND_PRINT("\n\t Local Interface ID: %s (0x%08x)" "\n\t Remote Interface ID: %s (0x%08x)", GET_IP6ADDR_STRING(obj_tptr+4), GET_BE_U_4(obj_tptr + 4), GET_IP6ADDR_STRING(obj_tptr+20), GET_BE_U_4(obj_tptr + 20)); if (lmp_print_data_link_subobjs(ndo, obj_tptr, obj_tlen - 36, 36)) hexdump=TRUE; break; case LMP_CTYPE_UNMD: if (obj_tlen < 12) { ND_PRINT(" (not correct for object)"); break; } ND_PRINT("\n\t Flags: [%s]", bittok2str(lmp_obj_data_link_flag_values, "none", GET_U_1(obj_tptr))); ND_PRINT("\n\t Local Interface ID: %u (0x%08x)" "\n\t Remote Interface ID: %u (0x%08x)", GET_BE_U_4(obj_tptr + 4), GET_BE_U_4(obj_tptr + 4), GET_BE_U_4(obj_tptr + 8), GET_BE_U_4(obj_tptr + 8)); if (lmp_print_data_link_subobjs(ndo, obj_tptr, obj_tlen - 12, 12)) hexdump=TRUE; break; default: hexdump=TRUE; } break; case LMP_OBJ_VERIFY_BEGIN: switch(lmp_obj_ctype) { case LMP_CTYPE_1: if (obj_tlen != 20) { ND_PRINT(" (not correct for object)"); break; } ND_PRINT("\n\t Flags: %s", bittok2str(lmp_obj_begin_verify_flag_values, "none", GET_BE_U_2(obj_tptr))); ND_PRINT("\n\t Verify Interval: %u", GET_BE_U_2(obj_tptr + 2)); ND_PRINT("\n\t Data links: %u", GET_BE_U_4(obj_tptr + 4)); ND_PRINT("\n\t Encoding type: %s", tok2str(gmpls_encoding_values, "Unknown", GET_U_1((obj_tptr + 8)))); ND_PRINT("\n\t Verify Transport Mechanism: %u (0x%x)%s", GET_BE_U_2(obj_tptr + 10), GET_BE_U_2(obj_tptr + 10), GET_BE_U_2(obj_tptr + 10)&8000 ? " (Payload test messages capable)" : ""); bw.i = GET_BE_U_4(obj_tptr + 12); ND_PRINT("\n\t Transmission Rate: %.3f Mbps",bw.f*8/1000000); ND_PRINT("\n\t Wavelength: %u", GET_BE_U_4(obj_tptr + 16)); break; default: hexdump=TRUE; } break; case LMP_OBJ_VERIFY_BEGIN_ACK: switch(lmp_obj_ctype) { case LMP_CTYPE_1: if (obj_tlen != 4) { ND_PRINT(" (not correct for object)"); break; } ND_PRINT("\n\t Verify Dead Interval: %u" "\n\t Verify Transport Response: %u", GET_BE_U_2(obj_tptr), GET_BE_U_2(obj_tptr + 2)); break; default: hexdump=TRUE; } break; case LMP_OBJ_VERIFY_ID: switch(lmp_obj_ctype) { case LMP_CTYPE_1: if (obj_tlen != 4) { ND_PRINT(" (not correct for object)"); break; } ND_PRINT("\n\t Verify ID: %u", GET_BE_U_4(obj_tptr)); break; default: hexdump=TRUE; } break; case LMP_OBJ_CHANNEL_STATUS: switch(lmp_obj_ctype) { case LMP_CTYPE_IPV4: offset = 0; /* Decode pairs: */ while (offset+8 <= obj_tlen) { ND_PRINT("\n\t Interface ID: %s (0x%08x)", GET_IPADDR_STRING(obj_tptr+offset), GET_BE_U_4(obj_tptr + offset)); ND_PRINT("\n\t\t Active: %s (%u)", (GET_BE_U_4(obj_tptr + offset + 4)>>31) ? "Allocated" : "Non-allocated", (GET_BE_U_4(obj_tptr + offset + 4)>>31)); ND_PRINT("\n\t\t Direction: %s (%u)", (GET_BE_U_4(obj_tptr + offset + 4)>>30)&0x1 ? "Transmit" : "Receive", (GET_BE_U_4(obj_tptr + offset + 4)>>30)&0x1); ND_PRINT("\n\t\t Channel Status: %s (%u)", tok2str(lmp_obj_channel_status_values, "Unknown", GET_BE_U_4(obj_tptr + offset + 4)&0x3FFFFFF), GET_BE_U_4(obj_tptr + offset + 4)&0x3FFFFFF); offset+=8; } break; case LMP_CTYPE_IPV6: offset = 0; /* Decode pairs: */ while (offset+20 <= obj_tlen) { ND_PRINT("\n\t Interface ID: %s (0x%08x)", GET_IP6ADDR_STRING(obj_tptr+offset), GET_BE_U_4(obj_tptr + offset)); ND_PRINT("\n\t\t Active: %s (%u)", (GET_BE_U_4(obj_tptr + offset + 16)>>31) ? "Allocated" : "Non-allocated", (GET_BE_U_4(obj_tptr + offset + 16)>>31)); ND_PRINT("\n\t\t Direction: %s (%u)", (GET_BE_U_4(obj_tptr + offset + 16)>>30)&0x1 ? "Transmit" : "Receive", (GET_BE_U_4(obj_tptr + offset + 16)>>30)&0x1); ND_PRINT("\n\t\t Channel Status: %s (%u)", tok2str(lmp_obj_channel_status_values, "Unknown", GET_BE_U_4(obj_tptr + offset + 16)&0x3FFFFFF), GET_BE_U_4(obj_tptr + offset + 16)&0x3FFFFFF); offset+=20; } break; case LMP_CTYPE_UNMD: offset = 0; /* Decode pairs: */ while (offset+8 <= obj_tlen) { ND_PRINT("\n\t Interface ID: %u (0x%08x)", GET_BE_U_4(obj_tptr + offset), GET_BE_U_4(obj_tptr + offset)); ND_PRINT("\n\t\t Active: %s (%u)", (GET_BE_U_4(obj_tptr + offset + 4)>>31) ? "Allocated" : "Non-allocated", (GET_BE_U_4(obj_tptr + offset + 4)>>31)); ND_PRINT("\n\t\t Direction: %s (%u)", (GET_BE_U_4(obj_tptr + offset + 4)>>30)&0x1 ? "Transmit" : "Receive", (GET_BE_U_4(obj_tptr + offset + 4)>>30)&0x1); ND_PRINT("\n\t\t Channel Status: %s (%u)", tok2str(lmp_obj_channel_status_values, "Unknown", GET_BE_U_4(obj_tptr + offset + 4)&0x3FFFFFF), GET_BE_U_4(obj_tptr + offset + 4)&0x3FFFFFF); offset+=8; } break; default: hexdump=TRUE; } break; case LMP_OBJ_CHANNEL_STATUS_REQ: switch(lmp_obj_ctype) { case LMP_CTYPE_IPV4: offset = 0; while (offset+4 <= obj_tlen) { ND_PRINT("\n\t Interface ID: %s (0x%08x)", GET_IPADDR_STRING(obj_tptr+offset), GET_BE_U_4(obj_tptr + offset)); offset+=4; } break; case LMP_CTYPE_IPV6: offset = 0; while (offset+16 <= obj_tlen) { ND_PRINT("\n\t Interface ID: %s (0x%08x)", GET_IP6ADDR_STRING(obj_tptr+offset), GET_BE_U_4(obj_tptr + offset)); offset+=16; } break; case LMP_CTYPE_UNMD: offset = 0; while (offset+4 <= obj_tlen) { ND_PRINT("\n\t Interface ID: %u (0x%08x)", GET_BE_U_4(obj_tptr + offset), GET_BE_U_4(obj_tptr + offset)); offset+=4; } break; default: hexdump=TRUE; } break; case LMP_OBJ_ERROR_CODE: switch(lmp_obj_ctype) { case LMP_CTYPE_BEGIN_VERIFY_ERROR: if (obj_tlen != 4) { ND_PRINT(" (not correct for object)"); break; } ND_PRINT("\n\t Error Code: %s", bittok2str(lmp_obj_begin_verify_error_values, "none", GET_BE_U_4(obj_tptr))); break; case LMP_CTYPE_LINK_SUMMARY_ERROR: if (obj_tlen != 4) { ND_PRINT(" (not correct for object)"); break; } ND_PRINT("\n\t Error Code: %s", bittok2str(lmp_obj_link_summary_error_values, "none", GET_BE_U_4(obj_tptr))); break; default: hexdump=TRUE; } break; case LMP_OBJ_SERVICE_CONFIG: switch (lmp_obj_ctype) { case LMP_CTYPE_SERVICE_CONFIG_SP: if (obj_tlen != 4) { ND_PRINT(" (not correct for object)"); break; } ND_PRINT("\n\t Flags: %s", bittok2str(lmp_obj_service_config_sp_flag_values, "none", GET_U_1(obj_tptr))); ND_PRINT("\n\t UNI Version: %u", GET_U_1(obj_tptr + 1)); break; case LMP_CTYPE_SERVICE_CONFIG_CPSA: if (obj_tlen != 16) { ND_PRINT(" (not correct for object)"); break; } link_type = GET_U_1(obj_tptr); ND_PRINT("\n\t Link Type: %s (%u)", tok2str(lmp_sd_service_config_cpsa_link_type_values, "Unknown", link_type), link_type); switch (link_type) { case LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH: ND_PRINT("\n\t Signal Type: %s (%u)", tok2str(lmp_sd_service_config_cpsa_signal_type_sdh_values, "Unknown", GET_U_1(obj_tptr + 1)), GET_U_1(obj_tptr + 1)); break; case LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET: ND_PRINT("\n\t Signal Type: %s (%u)", tok2str(lmp_sd_service_config_cpsa_signal_type_sonet_values, "Unknown", GET_U_1(obj_tptr + 1)), GET_U_1(obj_tptr + 1)); break; } ND_PRINT("\n\t Transparency: %s", bittok2str(lmp_obj_service_config_cpsa_tp_flag_values, "none", GET_U_1(obj_tptr + 2))); ND_PRINT("\n\t Contiguous Concatenation Types: %s", bittok2str(lmp_obj_service_config_cpsa_cct_flag_values, "none", GET_U_1(obj_tptr + 3))); ND_PRINT("\n\t Minimum NCC: %u", GET_BE_U_2(obj_tptr + 4)); ND_PRINT("\n\t Maximum NCC: %u", GET_BE_U_2(obj_tptr + 6)); ND_PRINT("\n\t Minimum NVC:%u", GET_BE_U_2(obj_tptr + 8)); ND_PRINT("\n\t Maximum NVC:%u", GET_BE_U_2(obj_tptr + 10)); ND_PRINT("\n\t Local Interface ID: %s (0x%08x)", GET_IPADDR_STRING(obj_tptr+12), GET_BE_U_4(obj_tptr + 12)); break; case LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM: if (obj_tlen != 8) { ND_PRINT(" (not correct for object)"); break; } ND_PRINT("\n\t Transparency Flags: %s", bittok2str( lmp_obj_service_config_nsa_transparency_flag_values, "none", GET_BE_U_4(obj_tptr))); ND_PRINT("\n\t TCM Monitoring Flags: %s", bittok2str( lmp_obj_service_config_nsa_tcm_flag_values, "none", GET_U_1(obj_tptr + 7))); break; case LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY: if (obj_tlen != 4) { ND_PRINT(" (not correct for object)"); break; } ND_PRINT("\n\t Diversity: Flags: %s", bittok2str( lmp_obj_service_config_nsa_network_diversity_flag_values, "none", GET_U_1(obj_tptr + 3))); break; default: hexdump = TRUE; } break; default: if (ndo->ndo_vflag <= 1) print_unknown_data(ndo,obj_tptr,"\n\t ",obj_tlen); break; } /* do we want to see an additionally hexdump ? */ if (ndo->ndo_vflag > 1 || hexdump==TRUE) print_unknown_data(ndo,tptr+sizeof(struct lmp_object_header),"\n\t ", lmp_obj_len-sizeof(struct lmp_object_header)); if (tlen < lmp_obj_len) { ND_PRINT(" [remaining objects length %u < %u]", tlen, lmp_obj_len); nd_print_invalid(ndo); break; } tptr+=lmp_obj_len; tlen-=lmp_obj_len; } }