/* packet-pcep.c * Routines for PCEP packet disassembly * draft-ietf-pce-pcep-09 * draft-ietf-pce-pcep-xro-02 * See also RFC 4655 and RFC 4657 * * (c) Copyright 2007 Silvia Cristina Tejedor * * $Id$ * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #include #include #include "packet-frame.h" /*differents types of objects*/ #define PCEP_OPEN_OBJ 1 #define PCEP_RP_OBJ 2 #define PCEP_NO_PATH_OBJ 3 #define PCEP_END_POINT_OBJ 4 #define PCEP_BANDWIDTH_OBJ 5 #define PCEP_METRIC_OBJ 6 #define PCEP_EXPLICIT_ROUTE_OBJ 7 #define PCEP_RECORD_ROUTE_OBJ 8 #define PCEP_LSPA_OBJ 9 #define PCEP_IRO_OBJ 10 #define PCEP_SVEC_OBJ 11 #define PCEP_NOTIFICATION_OBJ 12 #define PCEP_PCEP_ERROR_OBJ 13 #define PCEP_LOAD_BALANCING_OBJ 14 #define PCEP_CLOSE_OBJ 15 #define NO_DEFINED_OBJ 16 #define PCEP_XRO_OBJ 17 /*Subobjects of EXPLICIT ROUTE Object*/ #define PCEP_SUB_IPv4 1 #define PCEP_SUB_IPv6 2 #define PCEP_SUB_LABEL_CONTROL 3 #define PCEP_SUB_UNNUMB_INTERFACE_ID 4 #define PCEP_SUB_SRLG 5 #define PCEP_SUB_AUTONOMOUS_SYS_NUM 32 #define PCEP_SUB_EXRS 33 #define PCEP_SUB_AUTONOMOUS_SYS_NUM_XRO 4 #define PCEP_SUB_UNNUMB_INTERFACE_ID_XRO 3 /*Possible values of the NI in the NO-PATH object*/ #define NO_SATISFYING 0 #define CHAIN_BROKEN 1 /*Possible values of "Type (T)" in the METRIC object */ #define NO_DEFINED 0 #define IGP_METRIC 1 #define TE_METRIC 2 #define HOP_COUNTS 3 /*Possible values of L in the ERO and IRO objects */ #define STRICT_HOP 0 #define LOOSE_HOP 1 /*Possible values of U in the ERO and RRO objects */ #define DOWNSTREAM_LABEL 0 #define UPSTREAM_LABEL 1 /*Possible values of Notification Type */ #define NOT_REQ_CANCEL 1 #define PCEP_CONGESTION 2 /*Possible values of Notification Value for NT=1*/ #define NOTI_PCC_CANCEL_REQ 1 #define NOTI_PCE_CANCEL_REQ 2 /*Possible values of Notification Value for NT=2*/ #define NOTI_PCE_CONGEST 1 #define NOTI_PCE_NO_CONGEST 2 /*Possible types of errors */ #define ESTABLISH_FAILURE 1 #define CAP_NOT_SUPPORTED 2 #define UNKNOWN_OBJ 3 #define NOT_SUPP_OBJ 4 #define POLICY_VIOLATION 5 #define MANDATORY_OBJ_MIS 6 #define SYNCH_PCREQ_MIS 7 #define UNKNOWN_REQ_REF 8 #define ATTEMPT_2_SESSION 9 #define UNRECO_IRO_SUBOBJ 11 #define UNRECO_EXRS_SUBOBJ 12 /*Different values of errors type=1*/ #define RX_MALFORM_PKT 1 #define NO_OPEN_MSG 2 #define UNACEP_NO_NEGO_SSESION 3 #define UNACEP_NEG_SESSION 4 #define TWO_OPEN_MSG_UNACEP 5 #define RX_PCEPERR_UNACEP_SESSION 6 #define NO_KEEPALIVE_PCEPERR 7 /*Different values of errors type=3*/ #define UNRECON_OBJ_CLASS 1 #define UNRECON_OBJ_TYPE 2 /*Different values of errors type=4*/ #define NO_SUPP_OBJ 1 #define NO_SUPP_TYPE 2 /*Different values of errors type=5*/ #define C_METRIC_SET 1 #define O_OBJ_SET 2 /*Different values of errors type=6*/ #define RP_OBJ_MISS 1 #define RRO_OBJ_MISS 2 #define END_POINT_OBJ_MISS 3 /*Different values of Reason in the CLOSE object */ #define NO_EXP_PROV 1 #define DEADTIME_PROV 2 #define RECEP_MALFORM_MSG 3 /*Different values of Attribute in the XRO object */ #define ATTR_INTERFACE 0 #define ATTR_NODE 1 #define ATTR_SRLG 2 /*Mask for the flags of HEADER of Messages*/ #define PCEP_HDR_MSG_RESERVED 0x1f /*Mask for the type of HEADER of Objects*/ #define MASK_OBJ_TYPE 0xF0 /*Mask for the flags of HEADER of Objects*/ #define PCEP_HDR_OBJ_RESERVED 0x0C #define PCEP_HDR_OBJ_P 0x02 #define PCEP_HDR_OBJ_I 0x01 /*Mask for the flags of OPEN Object*/ #define PCEP_OPEN_RES 0x1F /*Mask for the flags of RP Object*/ #define PCEP_RP_PRI 0x000007 #define PCEP_RP_R 0x000008 #define PCEP_RP_B 0x000010 #define PCEP_RP_O 0x000020 #define PCEP_RP_RESERVED 0xFFFFC0 /*Mask for the flags of NO PATH Object*/ #define PCEP_NO_PATH_C 0x8000 /*Mask for the flags of METRIC Object*/ #define PCEP_METRIC_C 0x01 #define PCEP_METRIC_B 0x02 /*Mask for the flags of LSPA Object*/ #define PCEP_LSPA_L 0x01 /* Mask to differentiate the value of L and Type (Explicit Object)*/ #define Mask_L 0x80 #define Mask_Type 0x7f #define TCP_PORT_PCEP 1010 #define IPv4 1 #define IPv6 2 /*Mask for the flags os SVEC Object*/ #define PCEP_SVEC_L 0x000001 #define PCEP_SVEC_N 0x000002 #define PCEP_SVEC_S 0x000004 /*Mask for the flags of XRO Object*/ #define PCEP_XRO_F 0x0001 /*Mask for the flags of IPv4, IPv6 and UNnumbered InterfaceID Subobjects of RRO Object*/ #define PCEP_SUB_LPA 0x01 #define PCEP_SUB_LPU 0x02 /*Mask for the flags of Label SubObject*/ #define PCEP_SUB_LABEL_GL 0x01 static int proto_pcep = -1; static gint ett_pcep = -1; static gint ett_pcep_hdr = -1; static gint pcep_hdr_msg_flags_reserved= -1; static gint pcep_hdr_obj_flags_reserved= -1; static gint pcep_hdr_obj_flags_p= -1; static gint pcep_hdr_obj_flags_i= -1; static gint ett_pcep_obj_open = -1; static gint pcep_open_flags_res = -1; static gint ett_pcep_obj_request_parameters = -1; static gint pcep_rp_flags_pri = -1; static gint pcep_rp_flags_r = -1; static gint pcep_rp_flags_b = -1; static gint pcep_rp_flags_o = -1; static gint pcep_rp_flags_reserved = -1; static gint ett_pcep_obj_no_path = -1; static gint pcep_no_path_flags_c = -1; static gint ett_pcep_obj_end_point = -1; static gint ett_pcep_obj_bandwidth = -1; static gint ett_pcep_obj_metric = -1; static gint pcep_metric_flags_c = -1; static gint pcep_metric_flags_b = -1; static gint ett_pcep_obj_explicit_route = -1; static gint ett_pcep_obj_record_route = -1; static gint ett_pcep_obj_lspa = -1; static gint pcep_lspa_flags_l= -1; static gint ett_pcep_obj_iro = -1; static gint ett_pcep_obj_svec = -1; static gint pcep_svec_flags_l= -1; static gint pcep_svec_flags_n= -1; static gint pcep_svec_flags_s= -1; static gint ett_pcep_obj_notification = -1; static gint ett_pcep_obj_error = -1; static gint ett_pcep_obj_load_balancing = -1; static gint ett_pcep_obj_close = -1; static gint ett_pcep_obj_xro = -1; static gint pcep_xro_flags_f= -1; static gint pcep_subobj_flags_lpa= -1; static gint pcep_subobj_flags_lpu= -1; static gint pcep_subobj_label_flags_gl= -1; static gint ett_pcep_obj_unknown = -1; /* PCEP message types.*/ typedef enum { PCEP_MSG_NO_VALID, PCEP_MSG_OPEN, PCEP_MSG_KEEPALIVE, PCEP_MSG_PATH_COMPUTATION_REQUEST, PCEP_MSG_PATH_COMPUTATION_REPLY, PCEP_MSG_NOTIFICATION, PCEP_MSG_ERROR, PCEP_MSG_CLOSE } pcep_message_types; static const value_string message_type_vals[] = { {PCEP_MSG_OPEN, "OPEN MESSAGE" }, {PCEP_MSG_KEEPALIVE, "KEEPALIVE MESSAGE" }, {PCEP_MSG_PATH_COMPUTATION_REQUEST, "PATH COMPUTATION REQUEST MESSAGE" }, {PCEP_MSG_PATH_COMPUTATION_REPLY, "PATH COMPUTATION REPLY MESSAGE" }, {PCEP_MSG_NOTIFICATION, "NOTIFICATION MESSAGE" }, {PCEP_MSG_ERROR, "ERROR MESSAGE" }, {PCEP_MSG_CLOSE, "CLOSE MESSAGE" }, {0, NULL } }; static const value_string pcep_class_vals[] = { {PCEP_OPEN_OBJ, "OPEN OBJECT" }, {PCEP_RP_OBJ, "RP OBJECT" }, {PCEP_NO_PATH_OBJ, "NO-PATH OBJECT" }, {PCEP_END_POINT_OBJ, "END-POINT OBJECT" }, {PCEP_BANDWIDTH_OBJ, "BANDWIDTH OBJECT" }, {PCEP_METRIC_OBJ, "METRIC OBJECT" }, {PCEP_EXPLICIT_ROUTE_OBJ, "EXPLICIT ROUTE OBJECT (ERO)" }, {PCEP_RECORD_ROUTE_OBJ, "RECORD ROUTE OBJECT (RRO)" }, {PCEP_LSPA_OBJ, "LSPA OBJECT" }, {PCEP_IRO_OBJ, "IRO OBJECT" }, {PCEP_SVEC_OBJ, "SVEC OBJECT" }, {PCEP_NOTIFICATION_OBJ, "NOTIFICATION OBJECT" }, {PCEP_PCEP_ERROR_OBJ, "PCEP ERROR OBJECT" }, {PCEP_LOAD_BALANCING_OBJ, "LOAD BALANCING OBJECT" }, {PCEP_CLOSE_OBJ, "CLOSE OBJECT" }, {NO_DEFINED_OBJ, "Non Defined OBJECT" }, {PCEP_XRO_OBJ, "EXCLUDE ROUTE OBJECT (XRO)" }, {0, NULL } }; static const value_string pcep_subobj_vals[] = { {PCEP_SUB_IPv4, "SUBOBJECT IPv4" }, {PCEP_SUB_IPv6, "SUBOBJECT IPv6" }, {PCEP_SUB_LABEL_CONTROL, "SUBOBJECT LABEL" }, {PCEP_SUB_UNNUMB_INTERFACE_ID, "SUBOBJECT UNNUMBERED INTERFACE-ID" }, {PCEP_SUB_SRLG, "SUBOBJECT SRLG" }, {PCEP_SUB_AUTONOMOUS_SYS_NUM, "SUBOBJECT AUTONOMOUS SYSTEM NUMBER" }, {0, NULL } }; static const value_string pcep_subobj_xro_vals[] = { {PCEP_SUB_IPv4, "SUBOBJECT IPv4" }, {PCEP_SUB_IPv6, "SUBOBJECT IPv6" }, {PCEP_SUB_UNNUMB_INTERFACE_ID_XRO,"SUBOBJECT UNNUMBERED INTERFACE-ID" }, {PCEP_SUB_AUTONOMOUS_SYS_NUM_XRO,"SUBOBJECT AUTONOMOUS SYSTEM NUMBER" }, {PCEP_SUB_SRLG, "SUBOBJECT SRLG" }, {0, NULL } }; /*In the NO-PATH Object the two different possibilities that NI can have*/ static const value_string pcep_no_path_obj_vals[] = { {NO_SATISFYING, "Nature of Issue: No path satisfying the set of constraints could be found (0x0)" }, {CHAIN_BROKEN, "Nature of Issue: PCEP Chain Broken (0x1)" }, {0, NULL } }; /*Different values of "Type (T)" in the METRIC Obj */ static const value_string pcep_metric_obj_vals[] = { {NO_DEFINED, "Type not defined" }, {IGP_METRIC, "Type: IGP Metric (T=1)" }, {TE_METRIC, "Type: TE Metric (T=2)" }, {HOP_COUNTS, "Type: Hop Counts (T=3)" }, {0, NULL } }; /*Different values for (L) in the ERO and IRO Objs */ static const value_string pcep_route_l_obj_vals[] = { {STRICT_HOP, "L=0 Strict Hop in the Explicit Route" }, {LOOSE_HOP, "L=1 Loose Hop in the Explicit Route" }, {0, NULL } }; /*Different values of the direction of the label (U) in the ERO and RRO Objs */ static const value_string pcep_route_u_obj_vals[] = { {DOWNSTREAM_LABEL, "U=0 S Downstream Label" }, {UPSTREAM_LABEL, "U=1 Upstream Label" }, {0, NULL } }; /*Values of Notification type*/ static const value_string pcep_notification_types_vals[] = { {NOT_REQ_CANCEL, "Pending Request Cancelled" }, {PCEP_CONGESTION, "PCE Congestion" }, {0, NULL } }; /*Values of Notification value for Notification Type=1*/ static const value_string pcep_notification_values1_vals[] = { {NOTI_PCC_CANCEL_REQ, "PCC Cancels a set of Pending Request (s)" }, {NOTI_PCE_CANCEL_REQ, "PCE Cancels a set of Pending Request (s)" }, {0, NULL } }; /*Values of Notification value for Notification Type=2*/ static const value_string pcep_notification_values2_vals[] = { {NOTI_PCE_CONGEST, "PCE in Congested State" }, {NOTI_PCE_NO_CONGEST, "PCE no Longer in Congested state" }, {0, NULL } }; /*Values of different types of errors*/ static const value_string pcep_error_types_obj_vals[] = { {ESTABLISH_FAILURE, "1 PCEP Session Establishment Failure" }, {CAP_NOT_SUPPORTED, "2 Capability non supported" }, {UNKNOWN_OBJ, "3 Unknown Object" }, {NOT_SUPP_OBJ, "4 Not Supported Object" }, {POLICY_VIOLATION, "5 Policy Violation" }, {MANDATORY_OBJ_MIS, "6 Mandatory Object Missing" }, {SYNCH_PCREQ_MIS, "7 Synchronized Path Computation Request Missing" }, {UNKNOWN_REQ_REF, "8 Unknown Request Reference" }, {ATTEMPT_2_SESSION, "9 Attempt to Establish a Second PCEP Session" }, {UNRECO_IRO_SUBOBJ, "11 Unrecognized IRO Subobject" }, {UNRECO_EXRS_SUBOBJ, "12 Unrecognized EXRS Subobject" }, {0, NULL } }; static const value_string pcep_close_reason_obj_vals[] = { {NO_DEFINED, "Reason = 0 no defined" }, {NO_EXP_PROV, "Reason = 1 No Explanation Provided " }, {DEADTIME_PROV, "Reason = 2 Deadtime Expired" }, {RECEP_MALFORM_MSG, "Reason = 3 Reception of a Malformed PCEP Message" }, {0, NULL } }; static const value_string pcep_xro_attribute_obj_vals[] = { {ATTR_INTERFACE, "Attribute = 0 Interface" }, {ATTR_NODE, "Attribute = 1 Node " }, {ATTR_SRLG, "Attribute = 2 SRLG" }, {0, NULL } }; /* The PCEP filtering keys */ enum pcep_filter_keys{ PCEPF_MSG, PCEPF_OPEN, PCEPF_KEEPALIVE, PCEPF_PATH_COMPUTATION_REQUEST, PCEPF_PATH_COMPUTATION_REPLY, PCEPF_NOTIFICATION, PCEPF_ERROR, PCEPF_CLOSE, PCEPF_OBJECT_CLASS, PCEPF_OBJ_OPEN, PCEPF_OBJ_RP, PCEPF_OBJ_NO_PATH, PCEPF_OBJ_END_POINT, PCEPF_OBJ_BANDWIDTH, PCEPF_OBJ_METRIC, PCEPF_OBJ_EXPLICIT_ROUTE, PCEPF_OBJ_RECORD_ROUTE, PCEPF_OBJ_LSPA, PCEPF_OBJ_IRO, PCEPF_OBJ_SVEC, PCEPF_OBJ_NOTIFICATION, PCEPF_NOTI_TYPE, PCEPF_NOTI_VAL1, PCEPF_NOTI_VAL2, PCEPF_OBJ_PCEP_ERROR, PCEPF_ERROR_TYPE, PCEPF_OBJ_LOAD_BALANCING, PCEPF_OBJ_CLOSE, PCEPF_OBJ_XRO, PCEPF_SUBOBJ, PCEPF_SUBOBJ_IPv4, PCEPF_SUBOBJ_IPv6, PCEPF_SUBOBJ_LABEL_CONTROL, PCEPF_SUBOBJ_UNNUM_INTERFACEID, PCEPF_SUBOBJ_AUTONOMOUS_SYS_NUM, PCEPF_SUBOBJ_SRLG, PCEPF_SUBOBJ_EXRS, PCEPF_SUBOBJ_XRO, PCEPF_SUB_XRO_ATTRIB, PCEPF_MAX }; /*Registering data structures*/ static gint *ett[] = { &ett_pcep, &ett_pcep_hdr, &ett_pcep_obj_open, &ett_pcep_obj_request_parameters, &ett_pcep_obj_no_path, &ett_pcep_obj_end_point, &ett_pcep_obj_bandwidth, &ett_pcep_obj_metric, &ett_pcep_obj_explicit_route, &ett_pcep_obj_record_route, &ett_pcep_obj_lspa, &ett_pcep_obj_iro, &ett_pcep_obj_svec, &ett_pcep_obj_notification, &ett_pcep_obj_error, &ett_pcep_obj_load_balancing, &ett_pcep_obj_close, &ett_pcep_obj_xro, &ett_pcep_obj_unknown }; /*Registering data structures*/ static int pcep_filter[PCEPF_MAX]; static hf_register_info pcepf_info[] = { /* Message type number */ {&pcep_filter[PCEPF_MSG], { "Message Type", "pcep.msg", FT_UINT8, BASE_DEC, VALS(message_type_vals), 0x0, "", HFILL }}, {&pcep_hdr_msg_flags_reserved, { "Reserved Flags", "pcep.hdr.msg.flags.reserved", FT_BOOLEAN, 8, TFS(&tfs_set_notset), PCEP_HDR_MSG_RESERVED, "", HFILL }}, {&pcep_filter[PCEPF_OPEN], { "Open Message", "pcep.msg.open", FT_BOOLEAN, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_filter[PCEPF_KEEPALIVE], { "Keepalive Message", "pcep.msg.keepalive", FT_BOOLEAN, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_filter[PCEPF_PATH_COMPUTATION_REQUEST], { "Path Computation Request Message", "pcep.msg.path.computation.request", FT_BOOLEAN, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_filter[PCEPF_PATH_COMPUTATION_REPLY], { "Path Computation Reply Mesagge", "pcep.msg.path.computation.reply", FT_BOOLEAN, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_filter[PCEPF_NOTIFICATION], { "Notification Message", "pcep.msg.notification", FT_BOOLEAN, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_filter[PCEPF_ERROR], { "Error Message", "pcep.msg.error", FT_BOOLEAN, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_filter[PCEPF_CLOSE], { "Close Message", "pcep.msg.close", FT_BOOLEAN, BASE_NONE, NULL, 0x0, "", HFILL }}, /*Object header*/ {&pcep_hdr_obj_flags_reserved, { "Reserved Flags", "pcep.hdr.obj.flags.reserved", FT_BOOLEAN, 4, TFS(&tfs_set_notset), PCEP_HDR_OBJ_RESERVED, "", HFILL }}, {&pcep_hdr_obj_flags_p, { "Processing-Rule (P)", "pcep.hdr.obj.flags.p", FT_BOOLEAN, 4, TFS(&tfs_set_notset), PCEP_HDR_OBJ_P, "", HFILL }}, {&pcep_hdr_obj_flags_i, { "Ignore (I)", "pcep.hdr.obj.flags.i", FT_BOOLEAN, 4, TFS(&tfs_set_notset), PCEP_HDR_OBJ_I, "", HFILL }}, /* Object class */ {&pcep_filter[PCEPF_OBJECT_CLASS], { "Object Class", "pcep.object", FT_UINT32, BASE_DEC, VALS(pcep_class_vals), 0x0, "", HFILL }}, /* Object types */ {&pcep_filter[PCEPF_OBJ_OPEN], { "OPEN object", "pcep.obj.open", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_open_flags_res, { "Reserved Flags", "pcep.open.flags.res", FT_BOOLEAN, 8, TFS(&tfs_set_notset), PCEP_OPEN_RES, "", HFILL }}, {&pcep_filter[PCEPF_OBJ_RP], { "RP object", "pcep.obj.rp", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_rp_flags_reserved, { "Reserved Flags", "pcep.rp.flags.reserved", FT_BOOLEAN, 24, TFS(&tfs_set_notset), PCEP_RP_RESERVED, "", HFILL }}, {&pcep_rp_flags_pri, { "Priority (PRI)", "pcep.rp.flags.pri", FT_BOOLEAN, 24, TFS(&tfs_on_off), PCEP_RP_PRI, "", HFILL }}, {&pcep_rp_flags_r, { "Reoptimization (R)", "pcep.rp.flags.r", FT_BOOLEAN, 24, TFS(&tfs_set_notset), PCEP_RP_R, "", HFILL }}, {&pcep_rp_flags_b, { "Bi-directional (L)", "pcep.rp.flags.b", FT_BOOLEAN, 24, TFS(&tfs_set_notset), PCEP_RP_B, "", HFILL }}, {&pcep_rp_flags_o, { "Strict/Loose (L)", "pcep.rp.flags.o", FT_BOOLEAN, 24, TFS(&tfs_set_notset), PCEP_RP_O, "", HFILL }}, {&pcep_filter[PCEPF_OBJ_NO_PATH], { "NO-PATH object", "pcep.obj.nopath", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_no_path_flags_c, { "C", "pcep.no.path.flags.c", FT_BOOLEAN, 16, TFS(&tfs_set_notset), PCEP_NO_PATH_C, "", HFILL }}, {&pcep_filter[PCEPF_OBJ_END_POINT], { "END-POINT object", "pcep.obj.endpoint", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_filter[PCEPF_OBJ_BANDWIDTH], { "BANDWIDTH object", "pcep.obj.bandwidth", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_filter[PCEPF_OBJ_METRIC], { "METRIC object", "pcep.obj.metric", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_metric_flags_c, { "Cost (C)", "pcep.metric.flags.c", FT_BOOLEAN, 8, TFS(&tfs_set_notset), PCEP_METRIC_C, "", HFILL }}, {&pcep_metric_flags_b, { "Bound (B)", "pcep.metric.flags.b", FT_BOOLEAN, 8, TFS(&tfs_set_notset), PCEP_METRIC_B, "", HFILL }}, {&pcep_filter[PCEPF_OBJ_EXPLICIT_ROUTE], { "EXPLICIT ROUTE object (ERO)", "pcep.obj.ero", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_filter[PCEPF_OBJ_RECORD_ROUTE], { "RECORD ROUTE object (RRO)", "pcep.obj.rro", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_filter[PCEPF_OBJ_LSPA], { "LSPA object", "pcep.obj.lspa", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_lspa_flags_l, { "Local Protection Desired (L)", "pcep.lspa.flags.l", FT_BOOLEAN, 8, TFS(&tfs_set_notset), PCEP_LSPA_L, "", HFILL }}, {&pcep_filter[PCEPF_OBJ_IRO], { "IRO object", "pcep.obj.iro", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_filter[PCEPF_OBJ_SVEC], { "SVEC object", "pcep.obj.svec", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_svec_flags_l, { "Link diverse (L)", "pcep.svec.flags.l", FT_BOOLEAN, 24, TFS(&tfs_set_notset), PCEP_SVEC_L, "", HFILL }}, {&pcep_svec_flags_n, { "Node diverse (N)", "pcep.svec.flags.n", FT_BOOLEAN, 24, TFS(&tfs_set_notset), PCEP_SVEC_N, "", HFILL }}, {&pcep_svec_flags_s, { "SRLG diverse (S)", "pcep.svec.flags.s", FT_BOOLEAN, 24, TFS(&tfs_set_notset), PCEP_SVEC_S, "", HFILL }}, {&pcep_filter[PCEPF_OBJ_NOTIFICATION], { "NOTIFICATION object", "pcep.obj.notification", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_filter[PCEPF_NOTI_TYPE], { "Notification Value", "pcep.notification.value1", FT_UINT32, BASE_DEC, VALS(pcep_notification_types_vals), 0x0, "", HFILL }}, {&pcep_filter[PCEPF_NOTI_VAL1], { "Notification Type", "pcep.notification.type2", FT_UINT32, BASE_DEC, VALS(pcep_notification_values1_vals), 0x0, "", HFILL }}, {&pcep_filter[PCEPF_NOTI_VAL2], { "Notification Type", "pcep.notification.type", FT_UINT32, BASE_DEC, VALS(pcep_notification_values2_vals), 0x0, "", HFILL }}, {&pcep_filter[PCEPF_OBJ_PCEP_ERROR], { "ERROR object", "pcep.obj.error", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_filter[PCEPF_ERROR_TYPE], { "Error-Type", "pcep.error.type", FT_UINT8, BASE_DEC, VALS(pcep_error_types_obj_vals), 0x0, "", HFILL }}, {&pcep_filter[PCEPF_OBJ_LOAD_BALANCING], { "LOAD BALANCING object", "pcep.obj.loadbalancing", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_filter[PCEPF_OBJ_CLOSE], { "CLOSE object", "pcep.obj.close", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_filter[PCEPF_OBJ_XRO], { "EXCLUDE ROUTE object (XRO)", "pcep.obj.xro", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }}, /*Subobjects*/ {&pcep_filter[PCEPF_SUBOBJ], { "Type", "pcep.subobj", FT_UINT8, BASE_DEC, VALS(pcep_subobj_vals), 0x0, "", HFILL }}, {&pcep_filter[PCEPF_SUBOBJ_IPv4], { "SUBOBJECT: IPv4 Prefix", "pcep.subobj.ipv4", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_filter[PCEPF_SUBOBJ_IPv6], { "SUBOBJECT: IPv6 Prefix", "pcep.subobj.ipv6", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_filter[PCEPF_SUBOBJ_LABEL_CONTROL], { "SUBOBJECT: Label Control", "pcep.subobj.label.control", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_filter[PCEPF_SUBOBJ_UNNUM_INTERFACEID], { "SUBOBJECT: Unnumbered Interface ID", "pcep.subobj.unnum.interfaceid", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_filter[PCEPF_SUBOBJ_AUTONOMOUS_SYS_NUM], { "SUBOBJECT: Autonomous System Number", "pcep.subobj.autonomous.sys.num", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_filter[PCEPF_SUBOBJ_SRLG], { "SUBOBJECT: SRLG", "pcep.subobj.srlg", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_filter[PCEPF_SUBOBJ_EXRS], { "SUBOBJECT: EXRS", "pcep.subobj.exrs", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }}, {&pcep_filter[PCEPF_SUBOBJ_XRO], { "Type", "pcep.subobj.label", FT_UINT32, BASE_DEC, VALS(pcep_subobj_xro_vals), 0x0, "", HFILL }}, {&pcep_xro_flags_f, { "Fail (F)", "pcep.xro.flags.f", FT_BOOLEAN, 16, TFS(&tfs_set_notset), PCEP_XRO_F, "", HFILL }}, {&pcep_filter[PCEPF_SUB_XRO_ATTRIB], { "Attribute", "pcep.xro.sub.attribute", FT_UINT32, BASE_DEC, VALS(pcep_xro_attribute_obj_vals), 0x0, "", HFILL }}, {&pcep_subobj_flags_lpa, { "Local Protection Available", "pcep.subobj.flags.lpa", FT_BOOLEAN, 8, TFS(&tfs_set_notset), PCEP_SUB_LPA, "", HFILL }}, {&pcep_subobj_flags_lpu, { "Local protection in Use", "pcep.subobj.flags.lpu", FT_BOOLEAN, 8, TFS(&tfs_set_notset), PCEP_SUB_LPU, "", HFILL }}, {&pcep_subobj_label_flags_gl, { "Global Label", "pcep.subobj.label.flags.gl", FT_BOOLEAN, 8, TFS(&tfs_set_notset), PCEP_SUB_LABEL_GL, "", HFILL }}, }; #define OBJ_HDR_LEN 4 /* length of object header */ static void dissect_pcep_tlvs(proto_tree *pcep_obj, tvbuff_t *tvb, int offset, gint length, gint ett_pcep_obj) { proto_tree *tlv; proto_item *ti; guint16 tlv_length; guint16 tlv_type; int j; int m = 0; int padding = 0; for (j = 0; j < length; j += 4 + tlv_length + padding){ m = m+1; tlv_type = tvb_get_ntohs(tvb, offset+j); tlv_length = tvb_get_ntohs(tvb, offset + j + 2); ti = proto_tree_add_text(pcep_obj, tvb, offset + j, tlv_length+4, "TLV %u", m); tlv = proto_item_add_subtree(ti, ett_pcep_obj); proto_tree_add_text(tlv, tvb, offset + j, 2, "Type: %u", tlv_type); proto_tree_add_text(tlv, tvb, offset + 2 + j, 2, "Length: %u", tlv_length); proto_tree_add_text(tlv, tvb, offset+4+j, tlv_length, "Data: %s", bytestring_to_str(tvb_get_ptr(tvb, (offset) + 4 + j, tlv_length), tlv_length, ' ')); padding = (4 - (tlv_length % 4)) % 4; if (padding != 0){ proto_tree_add_text(tlv, tvb, offset+4+j+tlv_length, padding, "Padding: %s", bytestring_to_str(tvb_get_ptr(tvb, (offset) + 4 + j + tlv_length, padding), padding, ' ')); } } } /*------------------------------------------------------------------------------ *SUBOBJECTS *------------------------------------------------------------------------------*/ static void dissect_subobj_ipv4(proto_tree *pcep_subobj_tree, tvbuff_t *tvb, int offset, int obj_class, gint ett_pcep_obj, guint l_and_or_type, guint length) { proto_tree *pcep_subobj_ipv4; proto_tree *pcep_subobj_ipv4_flags; proto_item *ti; guint8 prefix_length; guint8 resvd; guint l; prefix_length = tvb_get_guint8(tvb, offset+6); resvd = tvb_get_guint8(tvb, offset+7); ti = proto_tree_add_item(pcep_subobj_tree, pcep_filter[PCEPF_SUBOBJ_IPv4], tvb, offset, length, FALSE); pcep_subobj_ipv4 = proto_item_add_subtree(ti, ett_pcep_obj); if (length != 8) { proto_tree_add_text(pcep_subobj_ipv4, tvb, offset, length, "Bad IPv4 subobject: length %u != 8", length); return; } switch(obj_class){ case PCEP_EXPLICIT_ROUTE_OBJ: l = (l_and_or_type& Mask_L)>>7; proto_tree_add_text(pcep_subobj_ipv4, tvb, offset, 1, "%s",val_to_str(l, pcep_route_l_obj_vals, "Unknown Object (%u). ")); proto_tree_add_uint(pcep_subobj_ipv4, pcep_filter[PCEPF_SUBOBJ], tvb, offset, 1, (l_and_or_type & 0x7f)); proto_tree_add_text(pcep_subobj_ipv4, tvb, offset+1, 1, "Length: %u", length); proto_tree_add_text(pcep_subobj_ipv4, tvb, offset+2, 4, "IPv4 Address: (%s)", ip_to_str(tvb_get_ptr(tvb, offset+2, 4))); proto_tree_add_text(pcep_subobj_ipv4, tvb, offset+6, 1, "Prefix Length: %u", prefix_length); proto_tree_add_text(pcep_subobj_ipv4, tvb, offset+7, 1, "Padding: 0x%02x", resvd); break; case PCEP_RECORD_ROUTE_OBJ: proto_tree_add_uint(pcep_subobj_ipv4, pcep_filter[PCEPF_SUBOBJ], tvb, offset, 1, l_and_or_type); proto_tree_add_text(pcep_subobj_ipv4, tvb, offset+1, 1, "Length: %u", length); proto_tree_add_text(pcep_subobj_ipv4, tvb, offset+2, 4, "IPv4 Address: (%s)", ip_to_str(tvb_get_ptr(tvb, offset+2, 4))); proto_tree_add_text(pcep_subobj_ipv4, tvb, offset+6, 1, "Prefix Length: %u", prefix_length); ti = proto_tree_add_text(pcep_subobj_ipv4, tvb, offset+7, 1, "Flags: 0x%02x ", resvd); pcep_subobj_ipv4_flags = proto_item_add_subtree(ti, ett_pcep_obj); proto_tree_add_boolean(pcep_subobj_ipv4_flags, pcep_subobj_flags_lpa, tvb, offset+7, 1, resvd); proto_tree_add_boolean(pcep_subobj_ipv4_flags, pcep_subobj_flags_lpu, tvb, offset+7, 1, resvd); break; case PCEP_IRO_OBJ: proto_tree_add_text(pcep_subobj_ipv4, tvb, offset, 1, "l: %x", (l_and_or_type & 0x80)>>7); proto_tree_add_uint(pcep_subobj_ipv4, pcep_filter[PCEPF_SUBOBJ], tvb, offset, 1, (l_and_or_type & 0x7f)); proto_tree_add_text(pcep_subobj_ipv4, tvb, offset+1, 1, "Length: %u", length); proto_tree_add_text(pcep_subobj_ipv4, tvb, offset+2, 4, "IPv4 Address: (%s)", ip_to_str(tvb_get_ptr(tvb, offset+2, 4))); proto_tree_add_text(pcep_subobj_ipv4, tvb, offset+6, 1, "Prefix Length: %u", prefix_length); proto_tree_add_text(pcep_subobj_ipv4, tvb, offset+7, 1, "Padding: 0x%02x", resvd); break; case PCEP_XRO_OBJ: proto_tree_add_text(pcep_subobj_ipv4, tvb, offset, 1, "X: %x", (l_and_or_type & 0x01)>>7); proto_tree_add_uint(pcep_subobj_ipv4, pcep_filter[PCEPF_SUBOBJ_XRO], tvb, offset, 1, (l_and_or_type & 0x7f)); proto_tree_add_text(pcep_subobj_ipv4, tvb, offset, 1, "Type: %u", (l_and_or_type & 0x7f)); proto_tree_add_text(pcep_subobj_ipv4, tvb, offset+1, 1, "Length: %u", length); proto_tree_add_text(pcep_subobj_ipv4, tvb, offset+2, 4, "IPv4 Address: (%s)", ip_to_str(tvb_get_ptr(tvb, offset+2, 4))); proto_tree_add_text(pcep_subobj_ipv4, tvb, offset+6, 1, "Prefix Length: %u", prefix_length); proto_tree_add_text(pcep_subobj_ipv4, tvb, offset+7, 1, "%s",val_to_str(resvd, pcep_xro_attribute_obj_vals, "Unknown Attribute (%u). ")); break; default: proto_tree_add_text(pcep_subobj_ipv4, tvb, offset, 8, "Non defined subobject for this object"); break; } } static void dissect_subobj_ipv6(proto_tree *pcep_subobj_tree, tvbuff_t *tvb, int offset, int obj_class, gint ett_pcep_obj, guint l_and_or_type, guint length) { proto_tree *pcep_subobj_ipv6; proto_tree *pcep_subobj_ipv6_flags; proto_item *ti; guint8 prefix_length; guint8 resv; int l; prefix_length = tvb_get_guint8(tvb, offset+18); resv = tvb_get_guint8(tvb, offset+19); ti = proto_tree_add_item(pcep_subobj_tree, pcep_filter[PCEPF_SUBOBJ_IPv6], tvb, offset, length, FALSE); pcep_subobj_ipv6 = proto_item_add_subtree(ti, ett_pcep_obj); if (length != 20) { proto_tree_add_text(pcep_subobj_ipv6, tvb, offset, length, "Bad IPv6 subobject: length %u != 20", length); return; } switch(obj_class){ case PCEP_EXPLICIT_ROUTE_OBJ: l = (l_and_or_type& Mask_L)>>7; proto_tree_add_text(pcep_subobj_ipv6, tvb, offset, 1, "%s",val_to_str(l, pcep_route_l_obj_vals, "Unknown Object (%u). ")); proto_tree_add_uint(pcep_subobj_ipv6, pcep_filter[PCEPF_SUBOBJ], tvb, offset, 1, (l_and_or_type & 0x7f)); proto_tree_add_text(pcep_subobj_ipv6, tvb, offset+1, 1, "Length: %u", length); proto_tree_add_text(pcep_subobj_ipv6, tvb, offset+2, 16, "IPv6 Address: %s", ip6_to_str((const struct e_in6_addr *)tvb_get_ptr(tvb, offset+2, 16))); proto_tree_add_text(pcep_subobj_ipv6, tvb, offset+18, 1, "Prefix Length: %u", prefix_length); proto_tree_add_text(pcep_subobj_ipv6, tvb, offset+19, 1, "Padding: 0x%02x", resv); break; case PCEP_RECORD_ROUTE_OBJ: proto_tree_add_uint(pcep_subobj_ipv6, pcep_filter[PCEPF_SUBOBJ], tvb, offset, 1, l_and_or_type); proto_tree_add_text(pcep_subobj_ipv6, tvb, offset+1, 1, "Length: %u", length); proto_tree_add_text(pcep_subobj_ipv6, tvb, offset+2, 16, "IPv6 Address: %s", ip6_to_str((const struct e_in6_addr *)tvb_get_ptr(tvb, offset+2, 16))); proto_tree_add_text(pcep_subobj_ipv6, tvb, offset+18, 1, "Prefix Length: %u", prefix_length); ti = proto_tree_add_text(pcep_subobj_ipv6, tvb, offset+19, 1, "Flags: 0x%02x ", resv); pcep_subobj_ipv6_flags = proto_item_add_subtree(ti, ett_pcep_obj); proto_tree_add_boolean(pcep_subobj_ipv6_flags, pcep_subobj_flags_lpa, tvb, offset+19, 1, resv); proto_tree_add_boolean(pcep_subobj_ipv6_flags, pcep_subobj_flags_lpu, tvb, offset+19, 1, resv); break; case PCEP_IRO_OBJ: proto_tree_add_text(pcep_subobj_ipv6, tvb, offset, 1, "l: %x", (l_and_or_type & 0x80)>>7); proto_tree_add_uint(pcep_subobj_ipv6, pcep_filter[PCEPF_SUBOBJ], tvb, offset, 1, (l_and_or_type & 0x7f)); proto_tree_add_text(pcep_subobj_ipv6, tvb, offset+1, 1, "Length: %u", length); proto_tree_add_text(pcep_subobj_ipv6, tvb, offset+2, 16, "IPv6 Address: %s", ip6_to_str((const struct e_in6_addr *)tvb_get_ptr(tvb, offset+2, 16))); proto_tree_add_text(pcep_subobj_ipv6, tvb, offset+18, 1, "Prefix Length: %u", prefix_length); proto_tree_add_text(pcep_subobj_ipv6, tvb, offset+19, 1, "Padding: 0x%02x", resv); break; case PCEP_XRO_OBJ: proto_tree_add_text(pcep_subobj_ipv6, tvb, offset, 1, "X: %x", (l_and_or_type & 0x01)>>7); proto_tree_add_uint(pcep_subobj_ipv6, pcep_filter[PCEPF_SUBOBJ_XRO], tvb, offset, 1, (l_and_or_type & 0x7f)); proto_tree_add_text(pcep_subobj_ipv6, tvb, offset+1, 1, "Length: %u", length); proto_tree_add_text(pcep_subobj_ipv6, tvb, offset+2, 16, "IPv6 Address: %s", ip6_to_str((const struct e_in6_addr *)tvb_get_ptr(tvb, offset+2, 16))); proto_tree_add_text(pcep_subobj_ipv6, tvb, offset+18, 1, "Prefix Length: %u", prefix_length); proto_tree_add_text(pcep_subobj_ipv6, tvb, offset+19, 1, "%s", val_to_str(resv, pcep_xro_attribute_obj_vals, "Unknown Attribute (%u). ")); break; default: proto_tree_add_text(pcep_subobj_ipv6, tvb, offset, 20, "Non defined subobject for this object"); break; } } static void dissect_subobj_label_control(proto_tree *pcep_subobj_tree, tvbuff_t *tvb, int offset, int obj_class, gint ett_pcep_obj, guint l_and_or_type, guint length) { proto_tree *pcep_subobj_label_control; proto_tree *pcep_subobj_label_flags; proto_item *ti; guint8 u_reserved; guint8 c_type; int l; int u; u_reserved = tvb_get_guint8(tvb, offset+2); c_type = tvb_get_guint8(tvb, offset+3); ti = proto_tree_add_item(pcep_subobj_tree, pcep_filter[PCEPF_SUBOBJ_LABEL_CONTROL], tvb, offset, length, FALSE); pcep_subobj_label_control = proto_item_add_subtree(ti, ett_pcep_obj); if (length < 5) { proto_tree_add_text(pcep_subobj_label_control, tvb, offset, length, "Bad label control subobject: length %u < 5", length); return; } switch(obj_class){ case PCEP_EXPLICIT_ROUTE_OBJ: l = (l_and_or_type& Mask_L)>>7; proto_tree_add_text(pcep_subobj_label_control, tvb, offset, 1, "%s", val_to_str(l, pcep_route_l_obj_vals, "Unknown Object (%u). ")); proto_tree_add_uint(pcep_subobj_label_control, pcep_filter[PCEPF_SUBOBJ], tvb, offset, 1, (l_and_or_type & 0x7f)); proto_tree_add_text(pcep_subobj_label_control, tvb, offset+1, 1, "Length: %u", length); u = (u_reserved & 0x80)>>7; proto_tree_add_text(pcep_subobj_label_control, tvb, offset+2, 1, "%s", val_to_str(u, pcep_route_u_obj_vals, "Unknown Object (%u). ")); proto_tree_add_text(pcep_subobj_label_control, tvb, offset+2, 1, "Reserved: %u", (u_reserved & 0x7f)); proto_tree_add_text(pcep_subobj_label_control, tvb, offset+3, 1, "C-Type: %u", c_type); proto_tree_add_text(pcep_subobj_label_control, tvb, offset+4, length-4, "Label: %s", bytestring_to_str(tvb_get_ptr(tvb, offset+4, length-4), length-4, ' ')); break; case PCEP_RECORD_ROUTE_OBJ: proto_tree_add_uint(pcep_subobj_label_control, pcep_filter[PCEPF_SUBOBJ], tvb, offset, 1, l_and_or_type); proto_tree_add_text(pcep_subobj_label_control, tvb, offset+1, 1, "Length: %u", length); u = (u_reserved & 0x80)>>7; proto_tree_add_text(pcep_subobj_label_control, tvb, offset+2, 1, "%s", val_to_str(u, pcep_route_u_obj_vals, "Unknown Object (%u). ")); ti = proto_tree_add_text(pcep_subobj_label_control, tvb, offset+2, 1, "Flags: 0x%02x ", (u_reserved & 0x7f)); pcep_subobj_label_flags = proto_item_add_subtree(ti, ett_pcep_obj); proto_tree_add_boolean(pcep_subobj_label_flags, pcep_subobj_label_flags_gl, tvb, offset+2, 1, (u_reserved & 0x7f)); proto_tree_add_text(pcep_subobj_label_control, tvb, offset+3, 1, "C-Type: %u", c_type); proto_tree_add_text(pcep_subobj_label_control, tvb, offset+4, length-4, "Label: %s", bytestring_to_str(tvb_get_ptr(tvb, offset+4, length-4), length-4, ' ')); break; default: proto_tree_add_text(pcep_subobj_label_control, tvb, offset, length, "Non defined subobject for this object"); break; } } static void dissect_subobj_unnumb_interfaceID(proto_tree *pcep_subobj_tree, tvbuff_t *tvb, int offset, int obj_class, gint ett_pcep_obj, guint l_and_or_type, guint length) { proto_tree *pcep_subobj_unnumb_interfaceID; proto_tree *pcep_subobj_unnumb_interfaceID_flags; proto_item *ti; guint32 router_ID; guint32 interface_ID; guint16 reserved_flags; int l; reserved_flags = tvb_get_ntohs(tvb, offset+2); router_ID = tvb_get_ntohl(tvb, offset+4); interface_ID = tvb_get_ntohl(tvb, offset+8); ti = proto_tree_add_item(pcep_subobj_tree, pcep_filter[PCEPF_SUBOBJ_UNNUM_INTERFACEID], tvb, offset, length, FALSE); pcep_subobj_unnumb_interfaceID = proto_item_add_subtree(ti, ett_pcep_obj); if (length != 12) { proto_tree_add_text(pcep_subobj_unnumb_interfaceID, tvb, offset, length, "Bad unnumbered interface ID subobject: length %u != 12", length); return; } switch(obj_class){ case PCEP_EXPLICIT_ROUTE_OBJ: l = (l_and_or_type& Mask_L)>>7; proto_tree_add_text(pcep_subobj_unnumb_interfaceID, tvb, offset, 1, "%s", val_to_str(l, pcep_route_l_obj_vals, "Unknown Object (%u). ")); proto_tree_add_uint(pcep_subobj_unnumb_interfaceID, pcep_filter[PCEPF_SUBOBJ], tvb, offset, 1, (l_and_or_type & 0x7f)); proto_tree_add_text(pcep_subobj_unnumb_interfaceID, tvb, offset+1, 1, "Length: %u", length); proto_tree_add_text(pcep_subobj_unnumb_interfaceID, tvb, offset+2, 2, "Reserved: 0x%04x", reserved_flags); break; case PCEP_RECORD_ROUTE_OBJ: proto_tree_add_uint(pcep_subobj_unnumb_interfaceID, pcep_filter[PCEPF_SUBOBJ], tvb, offset, 1, l_and_or_type); proto_tree_add_text(pcep_subobj_unnumb_interfaceID, tvb, offset+1, 1, "Length: %u", length); ti = proto_tree_add_text(pcep_subobj_unnumb_interfaceID, tvb, offset+2, 2, "Flags: 0x%02x ", (reserved_flags & 0xff00)>>8); pcep_subobj_unnumb_interfaceID_flags = proto_item_add_subtree(ti, ett_pcep_obj); proto_tree_add_boolean(pcep_subobj_unnumb_interfaceID_flags, pcep_subobj_flags_lpa, tvb, offset+2, 1, (reserved_flags & 0xff00)>>8); proto_tree_add_boolean(pcep_subobj_unnumb_interfaceID_flags, pcep_subobj_flags_lpu, tvb, offset+2, 1, (reserved_flags & 0xff00)>>8); proto_tree_add_text(pcep_subobj_unnumb_interfaceID, tvb, offset+3, 1, "Reserved: 0x%02x", (reserved_flags & 0x00ff)); break; case PCEP_IRO_OBJ: proto_tree_add_text(pcep_subobj_unnumb_interfaceID, tvb, offset, 1, "l: %x", (l_and_or_type & 0x80)>>7); proto_tree_add_uint(pcep_subobj_unnumb_interfaceID, pcep_filter[PCEPF_SUBOBJ], tvb, offset, 1, (l_and_or_type & 0x7f)); proto_tree_add_text(pcep_subobj_unnumb_interfaceID, tvb, offset+1, 1, "Length: %u", length); proto_tree_add_text(pcep_subobj_unnumb_interfaceID, tvb, offset+2, 2, "Reserved: 0x%04x", reserved_flags); break; case PCEP_XRO_OBJ: proto_tree_add_text(pcep_subobj_unnumb_interfaceID, tvb, offset, 1, "X: %x", (l_and_or_type & 0x01)>>7); proto_tree_add_uint(pcep_subobj_unnumb_interfaceID, pcep_filter[PCEPF_SUBOBJ_XRO], tvb, offset, 1, (l_and_or_type & 0x7f)); proto_tree_add_text(pcep_subobj_unnumb_interfaceID, tvb, offset+2, 1, "Reserved: 0x%02x", (reserved_flags & 0xff00)>>4); proto_tree_add_text(pcep_subobj_unnumb_interfaceID, tvb, offset+3, 1, "%s", val_to_str((reserved_flags & 0x00ff), pcep_xro_attribute_obj_vals, "Unknown Attribute (%u). ")); break; default: proto_tree_add_text(pcep_subobj_unnumb_interfaceID, tvb, offset, 12, "Non defined subobject for this object"); break; } proto_tree_add_text(pcep_subobj_unnumb_interfaceID, tvb, offset+4, 4, "Router ID: 0x%08x", router_ID); proto_tree_add_text(pcep_subobj_unnumb_interfaceID, tvb, offset+8, 4, "Interface ID: 0x%08x", interface_ID); } static void dissect_subobj_autonomous_sys_num(proto_tree *pcep_subobj_tree, tvbuff_t *tvb, int offset, int obj_class, guint ett_pcep_obj, guint l_and_or_type, guint length) { proto_tree *pcep_subobj_autonomous_sys_num; proto_item *ti; guint16 AS_number; guint8 reserved; guint8 attribute; guint16 op_AS_nu_high_oct; int l; l = (l_and_or_type& Mask_L)>>7; if(obj_class == PCEP_XRO_OBJ){ reserved = tvb_get_guint8(tvb, offset+2); attribute = tvb_get_guint8(tvb, offset+3); op_AS_nu_high_oct = tvb_get_ntohs(tvb, offset+4); AS_number = tvb_get_ntohs(tvb, offset+6); ti = proto_tree_add_item(pcep_subobj_tree, pcep_filter[PCEPF_SUBOBJ_AUTONOMOUS_SYS_NUM], tvb, offset, length, FALSE); pcep_subobj_autonomous_sys_num = proto_item_add_subtree(ti, ett_pcep_obj); if (length != 8) { proto_tree_add_text(pcep_subobj_autonomous_sys_num, tvb, offset, length, "Bad autonomous system number subobject: length %u != 8", length); return; } proto_tree_add_text(pcep_subobj_autonomous_sys_num, tvb, offset, 1, "X: %x", (l_and_or_type & 0x01)>>7); proto_tree_add_uint(pcep_subobj_autonomous_sys_num, pcep_filter[PCEPF_SUBOBJ_XRO], tvb, offset, 1, (l_and_or_type & 0x7f)); proto_tree_add_text(pcep_subobj_autonomous_sys_num, tvb, offset+1, 1, "Length: %u", length); proto_tree_add_text(pcep_subobj_autonomous_sys_num, tvb, offset+2, 1, "Reserved: 0x%02x", reserved); proto_tree_add_text(pcep_subobj_autonomous_sys_num, tvb, offset+3, 1, "%s", val_to_str(attribute, pcep_xro_attribute_obj_vals, "Unknown Object (%u).")); proto_tree_add_text(pcep_subobj_autonomous_sys_num, tvb, offset+4, 2, "Optional AS Number High Octets: 0x%04x", AS_number); proto_tree_add_text(pcep_subobj_autonomous_sys_num, tvb, offset+6, 2, "AS Number: 0x%04x", AS_number); } else { AS_number = tvb_get_ntohs(tvb, offset+2); ti = proto_tree_add_item(pcep_subobj_tree, pcep_filter[PCEPF_SUBOBJ_AUTONOMOUS_SYS_NUM], tvb, offset, length, FALSE); pcep_subobj_autonomous_sys_num = proto_item_add_subtree(ti, ett_pcep_obj); if (length != 4) { proto_tree_add_text(pcep_subobj_autonomous_sys_num, tvb, offset, length, "Bad autonomous system number subobject: length %u != 4", length); return; } if(obj_class == PCEP_IRO_OBJ) proto_tree_add_text(pcep_subobj_autonomous_sys_num, tvb, offset, 1, "l: %x", (l_and_or_type & 0x80)>>7); else proto_tree_add_text(pcep_subobj_autonomous_sys_num, tvb, offset, 1, "%s", val_to_str(l, pcep_route_l_obj_vals, "Unknown Object (%u). ")); proto_tree_add_uint(pcep_subobj_autonomous_sys_num, pcep_filter[PCEPF_SUBOBJ], tvb, offset, 1, (l_and_or_type & 0x7f)); proto_tree_add_text(pcep_subobj_autonomous_sys_num, tvb, offset+1, 1, "Length: %u", length); proto_tree_add_text(pcep_subobj_autonomous_sys_num, tvb, offset+2, 2, "AS Number: 0x%04x", AS_number); } } static void dissect_subobj_srlg(proto_tree *pcep_subobj_tree, tvbuff_t *tvb, int offset, guint ett_pcep_obj, guint l_and_or_type, guint length) { proto_tree *pcep_subobj_srlg; proto_item *ti; guint32 srlg_id; guint8 reserved; guint8 attribute; srlg_id = tvb_get_ntohl(tvb, offset+2); reserved = tvb_get_guint8(tvb, offset+6); attribute = tvb_get_guint8(tvb, offset+7); ti = proto_tree_add_item(pcep_subobj_tree, pcep_filter[PCEPF_SUBOBJ_SRLG], tvb, offset, length, FALSE); pcep_subobj_srlg = proto_item_add_subtree(ti, ett_pcep_obj); if (length != 8) { proto_tree_add_text(pcep_subobj_srlg, tvb, offset, length, "Bad SRLG subobject: length %u != 8", length); return; } proto_tree_add_text(pcep_subobj_srlg, tvb, offset, 1, "X: %x", (l_and_or_type & 0x01)>>7); proto_tree_add_uint(pcep_subobj_srlg, pcep_filter[PCEPF_SUBOBJ_XRO], tvb, offset, 1, (l_and_or_type & 0x7f)); proto_tree_add_text(pcep_subobj_srlg, tvb, offset+1, 1, "Length: %u", length); proto_tree_add_text(pcep_subobj_srlg, tvb, offset+2, 4, "SRLG ID: 0x%08x", srlg_id); proto_tree_add_text(pcep_subobj_srlg, tvb, offset+6, 1, "Reserved: 0x%02x", reserved); proto_tree_add_text(pcep_subobj_srlg, tvb, offset+7, 1, "%s", val_to_str(attribute, pcep_xro_attribute_obj_vals, "Unknown Object (%u).")); } static void dissect_subobj_exrs(proto_tree *pcep_subobj_tree, tvbuff_t *tvb, int offset, int obj_class, guint ett_pcep_obj, guint type_iro, guint l_and_or_type, guint length) { proto_tree *pcep_subobj_exrs; proto_item *ti; guint16 reserved; guint8 l_type; guint8 length2; guint type_exrs; guint offset_exrs = 0; guint l; ti = proto_tree_add_item(pcep_subobj_tree, pcep_filter[PCEPF_SUBOBJ_EXRS], tvb, offset, length, FALSE); pcep_subobj_exrs = proto_item_add_subtree(ti, ett_pcep_obj); if (length < 4) { proto_tree_add_text(pcep_subobj_exrs, tvb, offset, length, "Bad EXRS subobject: length %u < 4", length); return; } l = (l_and_or_type& Mask_L)>>7; proto_tree_add_text(pcep_subobj_exrs, tvb, offset, 1, "%s", val_to_str(l, pcep_route_l_obj_vals, "Unknown Object (%u). ")); proto_tree_add_text(pcep_subobj_exrs, tvb, offset, 1, "Type: %u", (l_and_or_type & 0x7f)); proto_tree_add_text(pcep_subobj_exrs, tvb, offset+1, 1, "Length: %u", length); reserved = tvb_get_ntohs(tvb, offset+2); proto_tree_add_text(pcep_subobj_exrs, tvb, offset+2, 2, "Reserved: 0x%04x", reserved); offset += 4; while(offset_exrs= %u", obj_length, OBJ_HDR_LEN+OPEN_OBJ_MIN_LEN); return; } version_flags = tvb_get_guint8(tvb, offset2); proto_tree_add_text(pcep_object_tree, tvb, offset2, 1, "PCEP Version: %u", (version_flags & 0xe0)>>5); ti = proto_tree_add_text(pcep_object_tree, tvb, offset2, 1, "Flags: 0x%02x", version_flags & 0x1f); pcep_open_obj_flags = proto_item_add_subtree(ti, ett_pcep_obj_open); proto_tree_add_boolean(pcep_open_obj_flags, pcep_open_flags_res, tvb, offset2, 1, version_flags & 0x1f); keepalive = tvb_get_guint8(tvb, offset2+1); proto_tree_add_text(pcep_object_tree, tvb, offset2+1, 1, "Keepalive: %u", keepalive); deadtimer = tvb_get_guint8(tvb, offset2+2); proto_tree_add_text(pcep_object_tree, tvb, offset2+2, 1, "Deadtime: %u", deadtimer); SID = tvb_get_guint8(tvb, offset2+3); proto_tree_add_text(pcep_object_tree, tvb, offset2+3, 1, "SID: %u", SID); /*it's suppose that obj_length is a a valid date. The object can have optional TLV(s)*/ offset2 += OPEN_OBJ_MIN_LEN; obj_length -= OBJ_HDR_LEN+OPEN_OBJ_MIN_LEN; dissect_pcep_tlvs(pcep_object_tree, tvb, offset2, obj_length, ett_pcep_obj_open); } /*------------------------------------------------------------------------------ * RP OBJECT *------------------------------------------------------------------------------*/ #define RP_OBJ_MIN_LEN 8 static void dissect_pcep_rp_obj(proto_tree *pcep_object_tree, tvbuff_t *tvb, int offset2, int obj_length) { proto_tree *pcep_rp_obj_flags; proto_item *ti; guint8 reserved; guint32 flags; guint32 requested_id_number; if (obj_length < OBJ_HDR_LEN+RP_OBJ_MIN_LEN) { proto_tree_add_text(pcep_object_tree, tvb, offset2, obj_length, "Bad RP object length %u, should be >= %u", obj_length, OBJ_HDR_LEN+RP_OBJ_MIN_LEN); return; } reserved = tvb_get_guint8(tvb, offset2); proto_tree_add_text(pcep_object_tree, tvb, offset2, 1, "Reserved: 0x%02x", reserved); flags = tvb_get_ntoh24(tvb, offset2+1); ti = proto_tree_add_text(pcep_object_tree, tvb, offset2+1, 3, "Flags: 0x%06x ", flags); pcep_rp_obj_flags = proto_item_add_subtree(ti, ett_pcep_obj_request_parameters); proto_tree_add_boolean(pcep_rp_obj_flags, pcep_rp_flags_reserved, tvb, offset2+1, 3, flags); proto_tree_add_boolean(pcep_rp_obj_flags, pcep_rp_flags_o, tvb, offset2+1, 3, flags); proto_tree_add_boolean(pcep_rp_obj_flags, pcep_rp_flags_b, tvb, offset2+1, 3, flags); proto_tree_add_boolean(pcep_rp_obj_flags, pcep_rp_flags_r, tvb, offset2+1, 3, flags); proto_tree_add_boolean(pcep_rp_obj_flags, pcep_rp_flags_pri, tvb, offset2+1, 3, flags); requested_id_number = tvb_get_ntohl(tvb, offset2+4); proto_tree_add_text(pcep_object_tree, tvb, offset2+4, 4, "Requested ID Number: 0x%08x", requested_id_number); /*it's suppose that obj_length is a a valid date. The object can have optional TLV(s)*/ offset2 += RP_OBJ_MIN_LEN; obj_length -= OBJ_HDR_LEN+RP_OBJ_MIN_LEN; dissect_pcep_tlvs(pcep_object_tree, tvb, offset2, obj_length, ett_pcep_obj_request_parameters); } /*------------------------------------------------------------------------------ * NO PATH OBJECT *------------------------------------------------------------------------------*/ #define NO_PATH_OBJ_MIN_LEN 4 static void dissect_pcep_no_path_obj(proto_tree *pcep_object_tree, tvbuff_t *tvb, int offset2, int obj_length) { proto_tree *pcep_no_path_obj_flags; proto_item *ti; guint8 ni; guint16 flags; guint8 reserved; if (obj_length < OBJ_HDR_LEN+NO_PATH_OBJ_MIN_LEN) { proto_tree_add_text(pcep_object_tree, tvb, offset2, obj_length, "Bad NO-PATH object length %u, should be >= %u", obj_length, OBJ_HDR_LEN+NO_PATH_OBJ_MIN_LEN); return; } ni = tvb_get_guint8(tvb, offset2); proto_tree_add_text(pcep_object_tree, tvb, offset2, 1, "%s", val_to_str(ni, pcep_no_path_obj_vals, "Unknown Object (%u). ")); flags = tvb_get_ntohs(tvb, offset2+1); ti = proto_tree_add_text(pcep_object_tree, tvb, offset2+1, 2, "Flags: 0x%04x", flags); pcep_no_path_obj_flags = proto_item_add_subtree(ti, ett_pcep_obj_no_path); proto_tree_add_boolean(pcep_no_path_obj_flags, pcep_no_path_flags_c, tvb, offset2+1, 2, flags); reserved = tvb_get_guint8(tvb, offset2+3); proto_tree_add_text(pcep_object_tree, tvb, offset2+3, 1, "Reserved: 0x%02x", reserved); /*it's suppose that obj_length is a a valid date. The object can have optional TLV(s)*/ offset2 += NO_PATH_OBJ_MIN_LEN; obj_length -= OBJ_HDR_LEN+NO_PATH_OBJ_MIN_LEN; dissect_pcep_tlvs(pcep_object_tree, tvb, offset2, obj_length, ett_pcep_obj_no_path); } /*------------------------------------------------------------------------------ * END POINT OBJECT *------------------------------------------------------------------------------*/ #define END_POINT_IPV4_OBJ_LEN 8 #define END_POINT_IPV6_OBJ_LEN 32 static void dissect_pcep_end_point_obj(proto_tree *pcep_object_tree, tvbuff_t *tvb, int offset2, int obj_length, int type) { switch(type) { case IPv4: if (obj_length != OBJ_HDR_LEN+END_POINT_IPV4_OBJ_LEN) { proto_tree_add_text(pcep_object_tree, tvb, offset2, obj_length, "Bad IPv4 END-POINTS object length %u, should be %u", obj_length, OBJ_HDR_LEN+END_POINT_IPV4_OBJ_LEN); return; } proto_tree_add_text(pcep_object_tree, tvb, offset2, 4, "Source IPv4 Address: (%s)", ip_to_str(tvb_get_ptr(tvb, offset2, 4))); proto_tree_add_text(pcep_object_tree, tvb, offset2+4, 4, "Destination IPv4 Address: (%s)", ip_to_str(tvb_get_ptr(tvb, offset2+4, 4))); break; case IPv6: if (obj_length != OBJ_HDR_LEN+END_POINT_IPV6_OBJ_LEN) { proto_tree_add_text(pcep_object_tree, tvb, offset2, obj_length, "Bad IPv6 END-POINTS object length %u, should be %u", obj_length, OBJ_HDR_LEN+END_POINT_IPV6_OBJ_LEN); return; } proto_tree_add_text(pcep_object_tree, tvb, offset2, 16, "Source IPv6 Address: %s", ip6_to_str((const struct e_in6_addr *)tvb_get_ptr(tvb, offset2, 16))); proto_tree_add_text(pcep_object_tree, tvb, offset2+16, 16, "Destination IPv6 Address: %s", ip6_to_str((const struct e_in6_addr *)tvb_get_ptr(tvb, offset2+16, 16))); break; default: proto_tree_add_text(pcep_object_tree, tvb, offset2, obj_length-OBJ_HDR_LEN, "UNKNOWN Type Object (%u)", type); break; } } /*------------------------------------------------------------------------------ * BANDWIDTH OBJECT *------------------------------------------------------------------------------*/ #define BANDWIDTH_OBJ_LEN 4 static void dissect_pcep_bandwidth_obj(proto_tree *pcep_object_tree, tvbuff_t *tvb, int offset2, int obj_length) { guint32 bandwidth; if (obj_length != OBJ_HDR_LEN+BANDWIDTH_OBJ_LEN) { proto_tree_add_text(pcep_object_tree, tvb, offset2, obj_length, "Bad BANDWIDTH object length %u, should be %u", obj_length, OBJ_HDR_LEN+BANDWIDTH_OBJ_LEN); return; } bandwidth = tvb_get_ntohl(tvb, offset2); proto_tree_add_text(pcep_object_tree, tvb, offset2, 4, "Bandwidth: 0x%x", bandwidth); } /*------------------------------------------------------------------------------ * METRIC OBJECT *------------------------------------------------------------------------------*/ #define METRIC_OBJ_LEN 8 static void dissect_pcep_metric_obj(proto_tree *pcep_object_tree, tvbuff_t *tvb, int offset2, int obj_length) { proto_tree *pcep_metric_obj_flags; proto_item *ti; guint16 reserved; guint8 flags; guint8 metric_type; guint32 metric_value; if (obj_length != OBJ_HDR_LEN+METRIC_OBJ_LEN) { proto_tree_add_text(pcep_object_tree, tvb, offset2, obj_length, "Bad METRIC object length %u, should be %u", obj_length, OBJ_HDR_LEN+METRIC_OBJ_LEN); return; } reserved = tvb_get_ntohs(tvb, offset2); proto_tree_add_text(pcep_object_tree, tvb, offset2, 2, "Reserved: %u", reserved); flags = tvb_get_guint8(tvb, offset2+2); ti = proto_tree_add_text(pcep_object_tree, tvb, offset2+2, 1, "Flags: 0x%02x", flags); pcep_metric_obj_flags = proto_item_add_subtree(ti, ett_pcep_obj_metric); proto_tree_add_boolean(pcep_metric_obj_flags, pcep_metric_flags_c, tvb, offset2+2, 1, flags); proto_tree_add_boolean(pcep_metric_obj_flags, pcep_metric_flags_b, tvb, offset2+2, 1, flags); metric_type = tvb_get_guint8(tvb, offset2+3); proto_tree_add_text(pcep_object_tree, tvb, offset2+3, 1, "%s", val_to_str(metric_type, pcep_metric_obj_vals, "Unknown Object (%u). ")); metric_value = tvb_get_ntohl(tvb, offset2+4); proto_tree_add_text(pcep_object_tree, tvb, offset2+4, 4, "Metric Value: 0x%x", metric_value); } /*------------------------------------------------------------------------------ * EXPLICIT ROUTE OBJECT (ERO) *------------------------------------------------------------------------------*/ static void dissect_pcep_explicit_route_obj(proto_tree *pcep_object_tree, tvbuff_t *tvb, int offset2, int obj_length, int obj_class) { guint8 l_type; guint8 length; guint type_exp_route; guint body_obj_len; body_obj_len = obj_length - OBJ_HDR_LEN; while(body_obj_len){ if (body_obj_len < 2) { proto_tree_add_text(pcep_object_tree, tvb, offset2, 0, "Bad ERO object: subobject goes past end of object"); break; } l_type = tvb_get_guint8(tvb, offset2); length = tvb_get_guint8(tvb, offset2+1); if (length < 2) { proto_tree_add_text(pcep_object_tree, tvb, offset2, 0, "Bad ERO object: subobject length %u < 2", length); break; } type_exp_route = (l_type & Mask_Type); if (body_obj_len remaining length %u", length, body_obj_len); break; } switch(type_exp_route) { case PCEP_SUB_IPv4: dissect_subobj_ipv4(pcep_object_tree, tvb, offset2, obj_class, ett_pcep_obj_explicit_route, l_type, length); break; case PCEP_SUB_IPv6: dissect_subobj_ipv6(pcep_object_tree, tvb, offset2, obj_class, ett_pcep_obj_explicit_route, l_type, length); break; case PCEP_SUB_LABEL_CONTROL: dissect_subobj_label_control(pcep_object_tree, tvb, offset2, obj_class, ett_pcep_obj_explicit_route, l_type, length); break; case PCEP_SUB_UNNUMB_INTERFACE_ID: dissect_subobj_unnumb_interfaceID(pcep_object_tree, tvb, offset2, obj_class, ett_pcep_obj_explicit_route, l_type, length); break; case PCEP_SUB_AUTONOMOUS_SYS_NUM: dissect_subobj_autonomous_sys_num(pcep_object_tree, tvb, offset2, obj_class, ett_pcep_obj_explicit_route, l_type, length); break; default: proto_tree_add_text(pcep_object_tree, tvb, offset2, length, "Non defined subobject (%d)", type_exp_route); break; } offset2 += length; body_obj_len -= length; } } /*------------------------------------------------------------------------------ * RECORD ROUTE OBJECT (RRO) *------------------------------------------------------------------------------*/ static void dissect_pcep_record_route_obj(proto_tree *pcep_object_tree, tvbuff_t *tvb, int offset2, int obj_length, int obj_class) { guint8 type; guint8 length; guint body_obj_len; body_obj_len = obj_length - OBJ_HDR_LEN; while(body_obj_len){ if (body_obj_len < 2) { proto_tree_add_text(pcep_object_tree, tvb, offset2, 0, "Bad RRO object: subobject goes past end of object"); break; } type = tvb_get_guint8(tvb, offset2); length = tvb_get_guint8(tvb, offset2+1); if (length < 2) { proto_tree_add_text(pcep_object_tree, tvb, offset2, 0, "Bad RRO object: subobject length %u < 2", length); break; } if (body_obj_len remaining length %u", length, body_obj_len); break; } switch(type) { case PCEP_SUB_IPv4: dissect_subobj_ipv4(pcep_object_tree, tvb, offset2, obj_class, ett_pcep_obj_record_route, type, length); break; case PCEP_SUB_IPv6: dissect_subobj_ipv6(pcep_object_tree, tvb, offset2, obj_class, ett_pcep_obj_record_route, type, length); break; case PCEP_SUB_LABEL_CONTROL: dissect_subobj_label_control(pcep_object_tree, tvb, offset2, obj_class, ett_pcep_obj_record_route, type, length); break; case PCEP_SUB_UNNUMB_INTERFACE_ID: dissect_subobj_unnumb_interfaceID(pcep_object_tree, tvb, offset2, obj_class, ett_pcep_obj_record_route, type, length); break; default: proto_tree_add_text(pcep_object_tree, tvb, offset2, length, "Non defined subobject (%d)", type); break; } offset2 += length; body_obj_len -= length; } } /*------------------------------------------------------------------------------ * LSPA OBJECT *------------------------------------------------------------------------------*/ #define LSPA_OBJ_MIN_LEN 16 static void dissect_pcep_lspa_obj(proto_tree *pcep_object_tree, tvbuff_t *tvb, int offset2, int obj_length) { proto_tree *pcep_lspa_obj_flags; proto_item *ti; guint32 exclude_any; guint32 include_any; guint32 include_all; guint8 setup_prio; guint8 holding_prio; guint8 flags; guint8 reserved; if (obj_length < OBJ_HDR_LEN+LSPA_OBJ_MIN_LEN) { proto_tree_add_text(pcep_object_tree, tvb, offset2, obj_length, "Bad LSPA object length %u, should be >= %u", obj_length, OBJ_HDR_LEN+LSPA_OBJ_MIN_LEN); return; } exclude_any = tvb_get_ntohl(tvb, offset2); proto_tree_add_text(pcep_object_tree, tvb, offset2, 4, "Exclude-Any: 0x%08x", exclude_any); include_any = tvb_get_ntohl(tvb, offset2+4); proto_tree_add_text(pcep_object_tree, tvb, offset2+4, 4, "Include-Any: 0x%08x", include_any); include_all = tvb_get_ntohl(tvb, offset2+8); proto_tree_add_text(pcep_object_tree, tvb, offset2+8, 4, "Include-All: 0x%08x", include_all); setup_prio = tvb_get_guint8(tvb, offset2+12); proto_tree_add_text(pcep_object_tree, tvb, offset2+12, 1, "Setup Priority: %u", setup_prio); holding_prio = tvb_get_guint8(tvb, offset2+13); proto_tree_add_text(pcep_object_tree, tvb, offset2+13, 1, "Holding Priority: %u", holding_prio); flags = tvb_get_guint8(tvb, offset2+14); ti = proto_tree_add_text(pcep_object_tree, tvb, offset2+14, 1, "Flags: 0x%02x", flags); pcep_lspa_obj_flags = proto_item_add_subtree(ti, ett_pcep_obj_metric); proto_tree_add_boolean(pcep_lspa_obj_flags, pcep_lspa_flags_l, tvb, offset2+14, 1, flags); reserved = tvb_get_guint8(tvb, offset2+15); proto_tree_add_text(pcep_object_tree, tvb, offset2+15, 1, "Reserved: 0x%02x", reserved); /*it's suppose that obj_length is a a valid date. The object can have optional TLV(s)*/ offset2 += LSPA_OBJ_MIN_LEN; obj_length -= OBJ_HDR_LEN+LSPA_OBJ_MIN_LEN; dissect_pcep_tlvs(pcep_object_tree, tvb, offset2, obj_length, ett_pcep_obj_lspa); } /*------------------------------------------------------------------------------ * INCLUDE ROUTE OBJECT (IRO) *------------------------------------------------------------------------------*/ static void dissect_pcep_iro_obj(proto_tree *pcep_object_tree, tvbuff_t *tvb, int offset2, int obj_length, int obj_class) { guint8 l_type; guint8 length; int type_iro; guint body_obj_len; body_obj_len = obj_length - OBJ_HDR_LEN; while(body_obj_len){ if (body_obj_len < 2) { proto_tree_add_text(pcep_object_tree, tvb, offset2, 0, "Bad IRO object: subobject goes past end of object"); break; } l_type = tvb_get_guint8(tvb, offset2); length = tvb_get_guint8(tvb, offset2+1); if (length < 2) { proto_tree_add_text(pcep_object_tree, tvb, offset2, 0, "Bad IRO object: subobject length %u < 2", length); break; } type_iro = (l_type & Mask_Type); if (body_obj_len remaining length %u", length, body_obj_len); break; } switch(type_iro) { case PCEP_SUB_IPv4: dissect_subobj_ipv4(pcep_object_tree, tvb, offset2, obj_class, ett_pcep_obj_iro, l_type, length); break; case PCEP_SUB_IPv6: dissect_subobj_ipv6(pcep_object_tree, tvb, offset2, obj_class, ett_pcep_obj_iro, l_type, length); break; case PCEP_SUB_UNNUMB_INTERFACE_ID: dissect_subobj_unnumb_interfaceID(pcep_object_tree, tvb, offset2, obj_class, ett_pcep_obj_iro, l_type, length); break; case PCEP_SUB_AUTONOMOUS_SYS_NUM: dissect_subobj_autonomous_sys_num(pcep_object_tree, tvb, offset2, obj_class, ett_pcep_obj_iro, l_type, length); break; case PCEP_SUB_EXRS: dissect_subobj_exrs(pcep_object_tree, tvb, offset2, obj_class, ett_pcep_obj_iro, type_iro, l_type, length); break; default: proto_tree_add_text(pcep_object_tree, tvb, offset2, length, "Non defined subobject (%d)", type_iro); break; } offset2 += length; body_obj_len -= length; } } /*------------------------------------------------------------------------------ * SVEC OBJECT *------------------------------------------------------------------------------*/ #define SVEC_OBJ_MIN_LEN 4 static void dissect_pcep_svec_obj(proto_tree *pcep_object_tree, tvbuff_t *tvb, int offset2, int obj_length) { proto_item *ti; proto_tree *pcep_svec_flags_obj; guint8 reserved; guint32 flags; int m = 1; int i = 0; if (obj_length < OBJ_HDR_LEN+SVEC_OBJ_MIN_LEN) { proto_tree_add_text(pcep_object_tree, tvb, offset2, obj_length, "Bad SVEC object length %u, should be >= %u", obj_length, OBJ_HDR_LEN+SVEC_OBJ_MIN_LEN); return; } reserved = tvb_get_guint8(tvb, offset2); proto_tree_add_text(pcep_object_tree, tvb, offset2, 1, "Reserved: 0x%02x", reserved); flags = tvb_get_ntoh24(tvb, offset2+1); ti = proto_tree_add_text(pcep_object_tree, tvb, offset2+1, 3, "Flags: 0x%06x", flags); pcep_svec_flags_obj = proto_item_add_subtree(ti, ett_pcep_obj_svec); proto_tree_add_boolean(pcep_svec_flags_obj, pcep_svec_flags_l, tvb, offset2 + 1, 3, flags); proto_tree_add_boolean(pcep_svec_flags_obj, pcep_svec_flags_n, tvb, offset2 + 1, 3, flags); proto_tree_add_boolean(pcep_svec_flags_obj, pcep_svec_flags_s, tvb, offset2 + 1, 3, flags); for ( i=4 ; i<(obj_length-OBJ_HDR_LEN) ; ){ proto_tree_add_text(pcep_object_tree, tvb, offset2+i, 4, "Request-ID-Number %u: 0x%s", m, bytestring_to_str(tvb_get_ptr(tvb, offset2+i, 4), 4, ' ')); i += 4; } } /*------------------------------------------------------------------------------ * NOTIFICATION OBJECT *------------------------------------------------------------------------------*/ #define NOTIFICATION_OBJ_MIN_LEN 4 static void dissect_pcep_notification_obj(proto_tree *pcep_object_tree, tvbuff_t *tvb, int offset2, int obj_length) { guint8 reserved; guint8 flags; guint8 nt; guint8 nv; if (obj_length < OBJ_HDR_LEN+NOTIFICATION_OBJ_MIN_LEN) { proto_tree_add_text(pcep_object_tree, tvb, offset2, obj_length, "Bad NOTIFICATION object length %u, should be >= %u", obj_length, OBJ_HDR_LEN+NOTIFICATION_OBJ_MIN_LEN); return; } reserved = tvb_get_guint8(tvb, offset2); proto_tree_add_text(pcep_object_tree, tvb, offset2, 1, "Reserved: 0x%02x", reserved); flags = tvb_get_guint8(tvb, offset2+1); proto_tree_add_text(pcep_object_tree, tvb, offset2+1, 1, "Flags: 0x%02x", flags); nt = tvb_get_guint8(tvb, offset2+2); proto_tree_add_uint(pcep_object_tree, pcep_filter[PCEPF_NOTI_TYPE], tvb, offset2+2, 1, nt); switch(nt){ case 1: proto_tree_add_uint(pcep_object_tree, pcep_filter[PCEPF_NOTI_VAL1], tvb, offset2+2, 1, nt); break; case 2: proto_tree_add_uint(pcep_object_tree, pcep_filter[PCEPF_NOTI_VAL2], tvb, offset2+2, 1, nt); break; default: proto_tree_add_text(pcep_object_tree, tvb, offset2+2, 1, "Notification Type: %u", nt); break; } nv = tvb_get_guint8(tvb, offset2+3); proto_tree_add_text(pcep_object_tree, tvb, offset2+3, 1, "Notification Value: 0x%02x", nv); /*it's suppose that obj_length is a a valid date. The object can have optional TLV(s)*/ offset2 += NOTIFICATION_OBJ_MIN_LEN; obj_length -= OBJ_HDR_LEN+NOTIFICATION_OBJ_MIN_LEN; dissect_pcep_tlvs(pcep_object_tree, tvb, offset2, obj_length, ett_pcep_obj_notification); } /*------------------------------------------------------------------------------ * ERROR OBJECT *------------------------------------------------------------------------------*/ #define ERROR_OBJ_MIN_LEN 4 static void dissect_pcep_error_obj(proto_tree *pcep_object_tree, tvbuff_t *tvb, int offset2, int obj_length) { proto_tree *pcep_error_types_obj; proto_item *ti; guint8 reserved; guint8 flags; guint8 error_type; guint8 error_value; if (obj_length < OBJ_HDR_LEN+ERROR_OBJ_MIN_LEN) { proto_tree_add_text(pcep_object_tree, tvb, offset2, obj_length, "Bad ERROR object length %u, should be >= %u", obj_length, OBJ_HDR_LEN+ERROR_OBJ_MIN_LEN); return; } reserved = tvb_get_guint8(tvb, offset2); proto_tree_add_text(pcep_object_tree, tvb, offset2, 1, "Reserved: 0x%02x", reserved); flags = tvb_get_guint8(tvb, offset2+1); proto_tree_add_text(pcep_object_tree, tvb, offset2+1, 1, "Flags: 0x%02x", flags); error_type = tvb_get_guint8(tvb, offset2+2); ti = proto_tree_add_uint(pcep_object_tree, pcep_filter[PCEPF_ERROR_TYPE], tvb, offset2+2, 1, error_type); pcep_error_types_obj = proto_item_add_subtree(ti, ett_pcep_obj_error); error_value = tvb_get_guint8(tvb, offset2+3); switch(error_type){ case ESTABLISH_FAILURE: switch(error_value){ case RX_MALFORM_PKT: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-value: %u Reception of a Malformed Message ", error_value); break; case NO_OPEN_MSG: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-value: %u No Open Message received before the expiration of the OpenWait Timer ", error_value); break; case UNACEP_NO_NEGO_SSESION: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-value: %u Unacceptable and non Negotiable session characteristics", error_value); break; case UNACEP_NEG_SESSION: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-value: %u Unacceptable but Negotiable session characteristics", error_value); break; case TWO_OPEN_MSG_UNACEP: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-value: %u Reception of a second Open Message with still Unacceptable Session characteristics", error_value); break; case RX_PCEPERR_UNACEP_SESSION: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-value: %u Reception of a PCEPrr message proposing unacceptable session characteristics", error_value); break; case NO_KEEPALIVE_PCEPERR: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-value: %u NO Keepalive or PCEPrr message received before the expiration of the Keepwait timer supported", error_value); break; default: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-value: %u Non defined Error-Value", error_value); } break; case CAP_NOT_SUPPORTED: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-Value: %u ", error_value); break; case UNKNOWN_OBJ: switch(error_value){ case UNRECON_OBJ_CLASS: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-value: %u Unrecognized object class", error_value); break; case UNRECON_OBJ_TYPE: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-value: %u Unrecognized object type", error_value); break; default: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-value: %u Non defined Error-Value", error_value); } break; case NOT_SUPP_OBJ: switch(error_value){ case NO_SUPP_OBJ: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-value: %u Not Supported Object Class", error_value); break; case NO_SUPP_TYPE: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-value: %u Not Supported Object Type", error_value); break; default: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-value: %u Non defined Error-Value", error_value); } break; case POLICY_VIOLATION: switch(error_value){ case C_METRIC_SET: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-value: %u C bit of the METRIC object set (Request Rejected)", error_value); break; case O_OBJ_SET: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-value: %u O bit of the RP object set (Request Rejected)", error_value); break; default: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-value: %u Non defined Error-Value", error_value); } break; case MANDATORY_OBJ_MIS: switch(error_value){ case RP_OBJ_MISS: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-value: %u RP Object missing", error_value); break; case RRO_OBJ_MISS: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-value: %u RRO Object missing for a reoptimization request (R bit of the RP Object set) when bandwidth is not equal to 0", error_value); break; case END_POINT_OBJ_MISS: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-value: %u END-POINTS Objects missing", error_value); break; default: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-value: %u Non defined Error-Value", error_value); } break; case SYNCH_PCREQ_MIS: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-Value: %u ", error_value); break; case UNKNOWN_REQ_REF: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-Value: %u ", error_value); break; case ATTEMPT_2_SESSION: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-Value: %u ", error_value); break; case UNRECO_IRO_SUBOBJ: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-Value: %u ", error_value); break; case UNRECO_EXRS_SUBOBJ: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+3, 1, "Error-Value: %u ", error_value); break; default: proto_tree_add_text(pcep_error_types_obj, tvb, offset2+2, 1, "Error-Type: %u Non defined Error-Value", error_type); } /*it's suppose that obj_length is a a valid date. The object can have optional TLV(s)*/ offset2 += ERROR_OBJ_MIN_LEN; obj_length -= OBJ_HDR_LEN+ERROR_OBJ_MIN_LEN; dissect_pcep_tlvs(pcep_object_tree, tvb, offset2, obj_length, ett_pcep_obj_error); } /*------------------------------------------------------------------------------ * LOAD-BALANCING OBJECT *------------------------------------------------------------------------------*/ #define LOAD_BALANCING_OBJ_LEN 8 static void dissect_pcep_balancing_obj(proto_tree *pcep_object_tree, tvbuff_t *tvb, int offset2, int obj_length) { guint16 reserved; guint8 flags; guint8 max_LSP; guint32 min_bandwidth; if (obj_length != OBJ_HDR_LEN+LOAD_BALANCING_OBJ_LEN) { proto_tree_add_text(pcep_object_tree, tvb, offset2, obj_length, "Bad LOAD-BALANCING object length %u, should be %u", obj_length, OBJ_HDR_LEN+LOAD_BALANCING_OBJ_LEN); return; } reserved = tvb_get_ntohs(tvb, offset2); proto_tree_add_text(pcep_object_tree, tvb, offset2, 2, "Reserved: 0x%04x", reserved); flags = tvb_get_guint8(tvb, offset2+2); proto_tree_add_text(pcep_object_tree, tvb, offset2+2, 1, "Flags: 0x%02x", flags); max_LSP = tvb_get_guint8(tvb, offset2+3); proto_tree_add_text(pcep_object_tree, tvb, offset2+3, 1, "Maximum Number of TE LSPs: 0x%02x", max_LSP); min_bandwidth = tvb_get_ntohl(tvb, offset2+4); proto_tree_add_text(pcep_object_tree, tvb, offset2+4, 4, "Minimum Bandwidth: 0x%08x", min_bandwidth); } /*------------------------------------------------------------------------------ * CLOSE OBJECT *------------------------------------------------------------------------------*/ #define CLOSE_OBJ_MIN_LEN 4 static void dissect_pcep_close_obj(proto_tree *pcep_object_tree, tvbuff_t *tvb, int offset2, int obj_length) { guint16 reserved; guint8 flags; guint8 reason; if (obj_length < OBJ_HDR_LEN+CLOSE_OBJ_MIN_LEN) { proto_tree_add_text(pcep_object_tree, tvb, offset2, obj_length, "Bad CLOSE object length %u, should be >= %u", obj_length, OBJ_HDR_LEN+CLOSE_OBJ_MIN_LEN); return; } reserved = tvb_get_ntohs(tvb, offset2); proto_tree_add_text(pcep_object_tree, tvb, offset2, 2, "Reserved: 0x%04x", reserved); flags = tvb_get_guint8(tvb, offset2+2); proto_tree_add_text(pcep_object_tree, tvb, offset2+2, 1, "Flags: 0x%02x", flags); reason = tvb_get_guint8(tvb, offset2+3); proto_tree_add_text(pcep_object_tree, tvb, offset2+3, 1, "%s", val_to_str(reason, pcep_close_reason_obj_vals, "Unknown Object (%u). ")); /*it's suppose that obj_length is a a valid date. The object can have optional TLV(s)*/ offset2 += CLOSE_OBJ_MIN_LEN; obj_length -= OBJ_HDR_LEN+CLOSE_OBJ_MIN_LEN; dissect_pcep_tlvs(pcep_object_tree, tvb, offset2, obj_length, ett_pcep_obj_load_balancing); } /*------------------------------------------------------------------------------ * XRO OBJECT *------------------------------------------------------------------------------*/ #define XRO_OBJ_MIN_LEN 4 static void dissect_pcep_xro_obj(proto_tree *pcep_object_tree, tvbuff_t *tvb, int offset2, int obj_length, int obj_class) { proto_tree *pcep_xro_flags_obj; proto_item *ti; guint16 reserved; guint16 flags; guint8 x_type; guint8 length; guint type_xro; guint body_obj_len; body_obj_len = obj_length - OBJ_HDR_LEN; if (obj_length < OBJ_HDR_LEN+XRO_OBJ_MIN_LEN) { proto_tree_add_text(pcep_object_tree, tvb, offset2, obj_length, "Bad XRO object length %u, should be >= %u", obj_length, OBJ_HDR_LEN+XRO_OBJ_MIN_LEN); return; } reserved = tvb_get_ntohs(tvb, offset2); proto_tree_add_text(pcep_object_tree, tvb, offset2, 2, "Reserved: 0x%04x", reserved); flags = tvb_get_ntohs(tvb, offset2+2); ti = proto_tree_add_text(pcep_object_tree, tvb, offset2+2, 2, "Flags: 0x%04x ", flags); pcep_xro_flags_obj = proto_item_add_subtree(ti, ett_pcep_obj_xro); proto_tree_add_boolean(pcep_xro_flags_obj, pcep_xro_flags_f, tvb, offset2 + 2, 2, flags); offset2 += XRO_OBJ_MIN_LEN; body_obj_len -= XRO_OBJ_MIN_LEN; while(body_obj_len >= 2){ if (body_obj_len < 2) { proto_tree_add_text(pcep_object_tree, tvb, offset2, 0, "Bad XRO object: subobject goes past end of object"); break; } x_type = tvb_get_guint8(tvb, offset2); length = tvb_get_guint8(tvb, offset2+1); if (length < 2) { proto_tree_add_text(pcep_object_tree, tvb, offset2, 0, "Bad XRO object: object length %u < 2", length); break; } type_xro = (x_type & Mask_Type); if (body_obj_len remaining length %u", length, body_obj_len); break; } switch(type_xro) { case PCEP_SUB_IPv4: dissect_subobj_ipv4(pcep_object_tree, tvb, offset2, obj_class, ett_pcep_obj_xro, x_type, length); break; case PCEP_SUB_IPv6: dissect_subobj_ipv6(pcep_object_tree, tvb, offset2, obj_class, ett_pcep_obj_xro, x_type, length); break; case PCEP_SUB_UNNUMB_INTERFACE_ID_XRO: dissect_subobj_unnumb_interfaceID(pcep_object_tree, tvb, offset2, obj_class, ett_pcep_obj_xro, x_type, length); break; case PCEP_SUB_AUTONOMOUS_SYS_NUM_XRO: dissect_subobj_autonomous_sys_num(pcep_object_tree, tvb, offset2, obj_class, ett_pcep_obj_xro, x_type, length); break; case PCEP_SUB_SRLG: dissect_subobj_srlg(pcep_object_tree, tvb, offset2, ett_pcep_obj_xro, x_type, length); break; default: proto_tree_add_text(pcep_object_tree, tvb, offset2-4, length, "Non defined subobject (%d)", type_xro); break; } offset2 += length; body_obj_len -= length; } } /*------------------------------------------------------------------------------*/ /* Dissect in Objects */ /*------------------------------------------------------------------------------*/ static void dissect_pcep_obj_tree(proto_tree *pcep_tree, tvbuff_t *tvb, int len, int offset, int msg_length) { guint8 obj_class; guint8 ot_res_p_i; guint16 obj_length; int type; proto_tree *pcep_object_tree; proto_item *pcep_object_item; proto_tree *pcep_header_obj_flags; proto_item *ti; while (len < msg_length) { obj_class = tvb_get_guint8(tvb, offset); switch (obj_class) { case PCEP_OPEN_OBJ: pcep_object_item = proto_tree_add_item(pcep_tree, pcep_filter[PCEPF_OBJ_OPEN], tvb, offset, -1, FALSE); pcep_object_tree = proto_item_add_subtree(pcep_object_item, ett_pcep_obj_open); break; case PCEP_RP_OBJ: pcep_object_item = proto_tree_add_item(pcep_tree, pcep_filter[PCEPF_OBJ_RP], tvb, offset, -1, FALSE); pcep_object_tree = proto_item_add_subtree(pcep_object_item, ett_pcep_obj_request_parameters); break; case PCEP_NO_PATH_OBJ: pcep_object_item = proto_tree_add_item(pcep_tree, pcep_filter[PCEPF_OBJ_NO_PATH], tvb, offset, -1, FALSE); pcep_object_tree = proto_item_add_subtree(pcep_object_item, ett_pcep_obj_no_path); break; case PCEP_END_POINT_OBJ: pcep_object_item = proto_tree_add_item(pcep_tree, pcep_filter[PCEPF_OBJ_END_POINT], tvb, offset, -1, FALSE); pcep_object_tree = proto_item_add_subtree(pcep_object_item, ett_pcep_obj_end_point); break; case PCEP_BANDWIDTH_OBJ: pcep_object_item = proto_tree_add_item(pcep_tree, pcep_filter[PCEPF_OBJ_BANDWIDTH], tvb, offset, -1, FALSE); pcep_object_tree = proto_item_add_subtree(pcep_object_item, ett_pcep_obj_bandwidth); break; case PCEP_METRIC_OBJ: pcep_object_item = proto_tree_add_item(pcep_tree, pcep_filter[PCEPF_OBJ_METRIC], tvb, offset, -1, FALSE); pcep_object_tree = proto_item_add_subtree(pcep_object_item, ett_pcep_obj_metric); break; case PCEP_EXPLICIT_ROUTE_OBJ: pcep_object_item = proto_tree_add_item(pcep_tree, pcep_filter[PCEPF_OBJ_EXPLICIT_ROUTE], tvb, offset, -1, FALSE); pcep_object_tree = proto_item_add_subtree(pcep_object_item, ett_pcep_obj_explicit_route); break; case PCEP_RECORD_ROUTE_OBJ: pcep_object_item = proto_tree_add_item(pcep_tree, pcep_filter[PCEPF_OBJ_RECORD_ROUTE], tvb, offset, -1, FALSE); pcep_object_tree = proto_item_add_subtree(pcep_object_item, ett_pcep_obj_record_route); break; case PCEP_LSPA_OBJ: pcep_object_item = proto_tree_add_item(pcep_tree, pcep_filter[PCEPF_OBJ_LSPA], tvb, offset, -1, FALSE); pcep_object_tree = proto_item_add_subtree(pcep_object_item, ett_pcep_obj_lspa); break; case PCEP_IRO_OBJ: pcep_object_item = proto_tree_add_item(pcep_tree, pcep_filter[PCEPF_OBJ_IRO], tvb, offset, -1, FALSE); pcep_object_tree = proto_item_add_subtree(pcep_object_item, ett_pcep_obj_iro); break; case PCEP_SVEC_OBJ: pcep_object_item = proto_tree_add_item(pcep_tree, pcep_filter[PCEPF_OBJ_SVEC], tvb, offset, -1, FALSE); pcep_object_tree = proto_item_add_subtree(pcep_object_item, ett_pcep_obj_svec); break; case PCEP_NOTIFICATION_OBJ: pcep_object_item = proto_tree_add_item(pcep_tree, pcep_filter[PCEPF_OBJ_NOTIFICATION], tvb, offset, -1, FALSE); pcep_object_tree = proto_item_add_subtree(pcep_object_item, ett_pcep_obj_notification); break; case PCEP_PCEP_ERROR_OBJ: pcep_object_item = proto_tree_add_item(pcep_tree, pcep_filter[PCEPF_OBJ_PCEP_ERROR], tvb, offset, -1, FALSE); pcep_object_tree = proto_item_add_subtree(pcep_object_item, ett_pcep_obj_error); break; case PCEP_LOAD_BALANCING_OBJ: pcep_object_item = proto_tree_add_item(pcep_tree, pcep_filter[PCEPF_OBJ_LOAD_BALANCING], tvb, offset, -1, FALSE); pcep_object_tree = proto_item_add_subtree(pcep_object_item, ett_pcep_obj_load_balancing); break; case PCEP_CLOSE_OBJ: pcep_object_item = proto_tree_add_item(pcep_tree, pcep_filter[PCEPF_OBJ_CLOSE], tvb, offset, -1, FALSE); pcep_object_tree = proto_item_add_subtree(pcep_object_item, ett_pcep_obj_close); break; case PCEP_XRO_OBJ: pcep_object_item = proto_tree_add_item(pcep_tree, pcep_filter[PCEPF_OBJ_XRO], tvb, offset, -1, FALSE); pcep_object_tree = proto_item_add_subtree(pcep_object_item, ett_pcep_obj_xro); break; default: pcep_object_item = proto_tree_add_text(pcep_tree, tvb, offset, -1, "Unknown object (%u)", obj_class); pcep_object_tree = proto_item_add_subtree(pcep_object_item, ett_pcep_obj_unknown); break; } proto_tree_add_uint(pcep_object_tree, pcep_filter[PCEPF_OBJECT_CLASS], tvb, offset, 1, obj_class); ot_res_p_i = tvb_get_guint8(tvb, offset+1); type = (ot_res_p_i & MASK_OBJ_TYPE)>>4; proto_tree_add_text(pcep_object_tree, tvb, offset+1, 1, "Object Type: %u", type); ti = proto_tree_add_text(pcep_object_tree, tvb, offset+1, 1, "Flags"); pcep_header_obj_flags = proto_item_add_subtree(ti, ett_pcep_hdr); proto_tree_add_boolean(pcep_header_obj_flags, pcep_hdr_obj_flags_reserved, tvb, offset+1, 1, ot_res_p_i); proto_tree_add_boolean(pcep_header_obj_flags, pcep_hdr_obj_flags_p, tvb, offset+1, 1, ot_res_p_i); proto_tree_add_boolean(pcep_header_obj_flags, pcep_hdr_obj_flags_i, tvb, offset+1, 1, ot_res_p_i); obj_length = tvb_get_ntohs(tvb, offset+2); proto_item_set_len(pcep_object_item, obj_length); if (obj_length < 4) { proto_tree_add_text(pcep_object_tree, tvb, offset+2, 2, "Object Length: %u (bogus, must be >= 4)", obj_length); break; } proto_tree_add_text(pcep_object_tree, tvb, offset+2, 2, "Object Length: %u", obj_length); switch(obj_class) { case PCEP_OPEN_OBJ: dissect_pcep_open_obj(pcep_object_tree, tvb, offset+4, obj_length); break; case PCEP_RP_OBJ: dissect_pcep_rp_obj(pcep_object_tree, tvb, offset+4, obj_length); break; case PCEP_NO_PATH_OBJ: dissect_pcep_no_path_obj(pcep_object_tree, tvb, offset+4, obj_length); break; case PCEP_END_POINT_OBJ: dissect_pcep_end_point_obj(pcep_object_tree, tvb, offset+4, obj_length, type); break; case PCEP_BANDWIDTH_OBJ: dissect_pcep_bandwidth_obj(pcep_object_tree, tvb, offset+4, obj_length); break; case PCEP_METRIC_OBJ: dissect_pcep_metric_obj(pcep_object_tree, tvb, offset+4, obj_length); break; case PCEP_EXPLICIT_ROUTE_OBJ: dissect_pcep_explicit_route_obj(pcep_object_tree, tvb, offset+4, obj_length, obj_class); break; case PCEP_RECORD_ROUTE_OBJ: dissect_pcep_record_route_obj(pcep_object_tree, tvb, offset+4, obj_length, obj_class); break; case PCEP_LSPA_OBJ: dissect_pcep_lspa_obj(pcep_object_tree, tvb, offset+4, obj_length); break; case PCEP_IRO_OBJ: dissect_pcep_iro_obj(pcep_object_tree, tvb, offset+4, obj_length, obj_class); break; case PCEP_SVEC_OBJ: dissect_pcep_svec_obj(pcep_object_tree, tvb, offset+4, obj_length); break; case PCEP_NOTIFICATION_OBJ: dissect_pcep_notification_obj(pcep_object_tree, tvb, offset+4, obj_length); break; case PCEP_PCEP_ERROR_OBJ: dissect_pcep_error_obj(pcep_object_tree, tvb, offset+4, obj_length); break; case PCEP_LOAD_BALANCING_OBJ: dissect_pcep_balancing_obj(pcep_object_tree, tvb, offset+4, obj_length); break; case PCEP_CLOSE_OBJ: dissect_pcep_close_obj(pcep_object_tree, tvb, offset+4, obj_length); break; case PCEP_XRO_OBJ: dissect_pcep_xro_obj(pcep_object_tree, tvb, offset+4, obj_length, obj_class); break; default: proto_tree_add_text(pcep_object_tree, tvb, offset+4, obj_length-OBJ_HDR_LEN, "PCEP Object BODY non defined (%u)", type); break; } offset += obj_length; len += obj_length; } } /*------------------------------------------------------------------------------ * Dissect a single PCEP message in a tree *------------------------------------------------------------------------------*/ static void dissect_pcep_msg_tree(tvbuff_t *tvb, proto_tree *tree, guint tree_mode, packet_info *pinfo) { proto_tree *pcep_tree = NULL; proto_tree *pcep_header_tree; proto_tree *ti; proto_tree *pcep_header_msg_flags; proto_item *hidden_item; int offset = 0; int len=0; guint8 ver_flags; guint8 message_type; guint16 msg_length; ver_flags = tvb_get_guint8(tvb, 0); message_type = tvb_get_guint8(tvb, 1); msg_length = tvb_get_ntohs(tvb, 2); if (check_col(pinfo->cinfo, COL_INFO)) { col_append_fstr(pinfo->cinfo, COL_INFO, "%s", val_to_str(message_type, message_type_vals, "Unknown Message (%u). ")); } ti = proto_tree_add_item(tree, proto_pcep, tvb, offset, msg_length, FALSE); pcep_tree = proto_item_add_subtree(ti, tree_mode); ti = proto_tree_add_text(pcep_tree, tvb, offset, 4, "%s Header", val_to_str(message_type, message_type_vals, "Unknown Message (%u). ")); pcep_header_tree = proto_item_add_subtree(ti, ett_pcep_hdr); proto_tree_add_text(pcep_header_tree, tvb, offset, 1, "PCEP Version: %x", (ver_flags & 0x20)>>5); ti = proto_tree_add_text(pcep_header_tree, tvb, offset, 1, "Flags: 0x%02x", ver_flags & 0x1f); pcep_header_msg_flags = proto_item_add_subtree(ti, ett_pcep_hdr); proto_tree_add_boolean(pcep_header_msg_flags, pcep_hdr_msg_flags_reserved, tvb, offset, 1, (ver_flags & 0x1f)); proto_tree_add_uint(pcep_header_tree, pcep_filter[PCEPF_MSG], tvb, offset+1, 1, message_type); proto_tree_add_text(pcep_header_tree, tvb, offset+2, 2, "Message length: %u", msg_length); switch (PCEPF_MSG + message_type) { case PCEPF_OPEN: case PCEPF_KEEPALIVE: case PCEPF_PATH_COMPUTATION_REQUEST: case PCEPF_PATH_COMPUTATION_REPLY: case PCEPF_NOTIFICATION: case PCEPF_ERROR: case PCEPF_CLOSE: hidden_item = proto_tree_add_boolean(pcep_header_tree, pcep_filter[PCEPF_MSG + message_type], tvb, offset+1, 1, 1); PROTO_ITEM_SET_HIDDEN(hidden_item); break; default: proto_tree_add_protocol_format(pcep_header_tree, proto_malformed, tvb, offset+1, 1, "Invalid message type: %u", message_type); return; } offset = 4; len = 4; dissect_pcep_obj_tree(pcep_tree, tvb, len, offset, msg_length); } static guint get_pcep_message_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset) { guint16 plen; /* Get the length of the PCEP packet.*/ plen = tvb_get_ntohs(tvb, offset+2); return plen; } static void dissect_pcep_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { /* Set up structures needed to add the protocol subtree and manage it */ if (check_col(pinfo->cinfo, COL_PROTOCOL)) col_set_str(pinfo->cinfo, COL_PROTOCOL, "PCEP"); /* Clear out stuff in the info column */ if (check_col(pinfo->cinfo,COL_INFO)) col_clear(pinfo->cinfo,COL_INFO); dissect_pcep_msg_tree(tvb, tree, ett_pcep, pinfo); } static void dissect_pcep(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { tcp_dissect_pdus(tvb, pinfo, tree, TRUE, 4, get_pcep_message_len, dissect_pcep_pdu); } /*Register the protocol with wireshark*/ void proto_register_pcep(void){ /*Register the protocol name and description*/ proto_pcep = proto_register_protocol ( "Path Computation Element communication Protocol", /* name*/ "PCEP", /* short name */ "pcep" /* abbrev*/); /* Required function calls to register the header fields and subtrees used */ proto_register_field_array(proto_pcep, pcepf_info, array_length(pcepf_info)); proto_register_subtree_array(ett, array_length(ett)); } /*Dissector Handoff*/ void proto_reg_handoff_pcep(void) { dissector_handle_t pcep_handle; pcep_handle = create_dissector_handle(dissect_pcep, proto_pcep); dissector_add("tcp.port", TCP_PORT_PCEP, pcep_handle); }