2108 lines
68 KiB
C
2108 lines
68 KiB
C
/* packet-fcdns.c
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* Routines for FC distributed Name Server (dNS)
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* Copyright 2001, Dinesh G Dutt <ddutt@andiamo.com>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/expert.h>
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#include <epan/to_str.h>
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#include "packet-fc.h"
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#include "packet-fcct.h"
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#include "packet-fcswils.h"
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void proto_register_fcdns(void);
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void proto_reg_handoff_fcdns(void);
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/*
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* See FC-GS-2.
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*/
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static dissector_handle_t dns_handle;
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/* protocol and registered fields */
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/* Opcode definitions */
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#define FCDNS_GA_NXT 0x0100
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#define FCDNS_GID_A 0x0101
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#define FCDNS_GPN_ID 0x0112
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#define FCDNS_GNN_ID 0x0113
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#define FCDNS_GCS_ID 0x0114
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#define FCDNS_GFT_ID 0x0117
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#define FCDNS_GSPN_ID 0x0118
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#define FCDNS_GPT_ID 0x011A
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#define FCDNS_GIPP_ID 0x011B
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#define FCDNS_GFPN_ID 0x011C
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#define FCDNS_GHA_ID 0x011D
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#define FCDNS_GFD_ID 0x011E
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#define FCDNS_GFF_ID 0x011F
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#define FCDNS_GID_PN 0x0121
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#define FCDNS_GIPP_PN 0x012B
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#define FCDNS_GID_NN 0x0131
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#define FCDNS_GPN_NN 0x0132
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#define FCDNS_GIP_NN 0x0135
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#define FCDNS_GIPA_NN 0x0136
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#define FCDNS_GSNN_NN 0x0139
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#define FCDNS_GNN_IP 0x0153
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#define FCDNS_GIPA_IP 0x0156
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#define FCDNS_GID_FT 0x0171
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#define FCDNS_GPN_FT 0x0172
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#define FCDNS_GNN_FT 0x0173
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#define FCDNS_GID_PT 0x01A1
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#define FCDNS_GID_IPP 0x01B1
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#define FCDNS_GPN_IPP 0x01B2
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#define FCDNS_GID_FF 0x01F1
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#define FCDNS_RPN_ID 0x0212
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#define FCDNS_RNN_ID 0x0213
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#define FCDNS_RCS_ID 0x0214
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#define FCDNS_RFT_ID 0x0217
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#define FCDNS_RSPN_ID 0x0218
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#define FCDNS_RPT_ID 0x021A
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#define FCDNS_RIPP_ID 0x021B
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#define FCDNS_RHA_ID 0x021D
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#define FCDNS_RFD_ID 0x021E
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#define FCDNS_RFF_ID 0x021F
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#define FCDNS_RIP_NN 0x0235
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#define FCDNS_RSNN_NN 0x0239
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#define FCDNS_DA_ID 0x0300
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/* dNS messages defined by FC-SW2 */
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#define FCDNS_RA 0x0
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#define FCDNS_GE_ID 0x0410
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#define FCDNS_GE_PN 0x0420
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#define FCDNS_GE_NN 0x0430
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#define FCDNS_GE_IP 0x0450
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#define FCDNS_GE_FT 0x0470
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#define FCDNS_GE_PT 0x04A0
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#define FCDNS_GE_ZM 0x04B0
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#define FCDNS_GE_ZN 0x04C0
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#define FCDNS_GE_IPP 0x04D0
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#define FCDNS_GE_FF 0x04E0
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static const value_string fc_dns_opcode_val[] = {
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{FCDNS_GA_NXT, "GA_NXT" },
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{FCDNS_GID_A, "GID_A" },
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{FCDNS_GPN_ID, "GPN_ID" },
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{FCDNS_GNN_ID, "GNN_ID" },
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{FCDNS_GCS_ID, "GCS_ID" },
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{FCDNS_GFT_ID, "GFT_ID" },
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{FCDNS_GSPN_ID, "GSPN_ID" },
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{FCDNS_GPT_ID, "GPT_ID" },
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{FCDNS_GIPP_ID, "GIPP_ID" },
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{FCDNS_GFPN_ID, "GFPN_ID" },
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{FCDNS_GHA_ID, "GHA_ID" },
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{FCDNS_GFD_ID, "GFD_ID" },
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{FCDNS_GFF_ID, "GFF_ID" },
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{FCDNS_GID_PN, "GID_PN" },
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{FCDNS_GIPP_PN, "GIPP_PN" },
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{FCDNS_GID_NN, "GID_NN" },
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{FCDNS_GPN_NN, "GPN_NN" },
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{FCDNS_GIP_NN, "GIP_NN" },
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{FCDNS_GIPA_NN, "GIPA_NN" },
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{FCDNS_GSNN_NN, "GSNN_NN" },
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{FCDNS_GNN_IP, "GNN_IP" },
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{FCDNS_GIPA_IP, "GIPA_IP" },
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{FCDNS_GID_FT, "GID_FT" },
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{FCDNS_GPN_FT, "GPN_FT" },
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{FCDNS_GNN_FT, "GNN_FT" },
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{FCDNS_GID_PT, "GID_PT" },
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{FCDNS_GID_IPP, "GID_IPP" },
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{FCDNS_GPN_IPP, "GPN_IPP" },
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{FCDNS_GID_FF, "GID_FF" },
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{FCDNS_RPN_ID, "RPN_ID" },
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{FCDNS_RNN_ID, "RNN_ID" },
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{FCDNS_RCS_ID, "RCS_ID" },
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{FCDNS_RFT_ID, "RFT_ID" },
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{FCDNS_RSPN_ID, "RSPN_ID" },
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{FCDNS_RPT_ID, "RPT_ID" },
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{FCDNS_RIPP_ID, "RIPP_ID" },
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{FCDNS_RHA_ID, "RHA_ID" },
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{FCDNS_RFD_ID, "RFD_ID" },
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{FCDNS_RFF_ID, "RFF_ID" },
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{FCDNS_RIP_NN, "RIP_NN" },
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{FCDNS_RSNN_NN, "RSNN_NN"},
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{FCDNS_DA_ID, "DA_ID"},
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{FCDNS_GE_ID, "GE_ID"},
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{FCDNS_GE_PN, "GE_PN"},
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{FCDNS_GE_NN, "GE_NN"},
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{FCDNS_GE_IP, "GE_IP"},
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{FCDNS_GE_FT, "GE_FT"},
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{FCDNS_GE_PT, "GE_PT"},
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{FCDNS_GE_ZM, "GE_ZM"},
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{FCDNS_GE_ZN, "GE_ZN"},
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{FCDNS_GE_IPP, "GE_IPP"},
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{FCDNS_GE_FF, "GE_FF"},
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{FCCT_MSG_ACC, "MSG_ACC"},
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{FCCT_MSG_RJT, "MSG_RJT"},
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{0, NULL},
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};
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/* Port type definitions */
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#define FCDNS_PTYPE_UNDEF 0x00
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#define FCDNS_PTYPE_NPORT 0x01
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#define FCDNS_PTYPE_NLPORT 0x02
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#define FCDNS_PTYPE_FNLPORT 0x03
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#define FCDNS_PTYPE_NXPORT 0x7F
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#define FCDNS_PTYPE_FPORT 0x81
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#define FCDNS_PTYPE_FLPORT 0x82
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#define FCDNS_PTYPE_EPORT 0x84
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#define FCDNS_PTYPE_BPORT 0x85
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static const value_string fc_dns_port_type_val [] = {
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{FCDNS_PTYPE_UNDEF , "Undefined Port Type"},
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{FCDNS_PTYPE_NPORT , "N_Port"},
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{FCDNS_PTYPE_NLPORT , "NL_Port"},
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{FCDNS_PTYPE_FNLPORT , "F/NL_Port"},
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{FCDNS_PTYPE_NXPORT , "Nx_Port"},
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{FCDNS_PTYPE_FPORT , "F_Port"},
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{FCDNS_PTYPE_FLPORT , "FL_Port"},
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{FCDNS_PTYPE_EPORT , "E_Port"},
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{FCDNS_PTYPE_BPORT , "B_Port"},
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{0, NULL},
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};
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/* Reject Detailed Reason code definitions for dNS */
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#define FCDNS_RJT_NOREASON 0x00
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#define FCDNS_RJT_PIDNOTREG 0x01
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#define FCDNS_RJT_PNAMENOTREG 0x02
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#define FCDNS_RJT_NNAMENOTREG 0x03
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#define FCDNS_RJT_CLASSNOTREG 0x04
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#define FCDNS_RJT_IPNNOTREG 0x05
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#define FCDNS_RJT_IPANOTREG 0x06
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#define FCDNS_RJT_FC4NOTREG 0x07
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#define FCDNS_RJT_SPNAMENOTREG 0x08
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#define FCDNS_RJT_SNNAMENOTREG 0x09
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#define FCDNS_RJT_PTYPENOTREG 0x0A
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#define FCDNS_RJT_IPPNOTREG 0x0B
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#define FCDNS_RJT_FPNAMENOTREG 0x0C
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#define FCDNS_RJT_HRDADDNOTREG 0x0D
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#define FCDNS_RJT_FC4DESNOTREG 0x0E
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#define FCDNS_RJT_FC4FEANOTREG 0x0F
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#define FCDNS_RJT_ACCRJT 0x10
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#define FCDNS_RJT_PTYPEFMT 0x11
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#define FCDNS_RJT_DBEMPTY 0x12
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#define FCDNS_RJT_NOOBJSCOPE 0x13
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#define FCDNS_RJT_AUTHRZN_EXCEPTION 0xF0
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#define FCDNS_RJT_AUTH_EXCEPTION 0xF1
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#define FCDNS_RJT_DB_FULL 0xF2
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#define FCDNS_RJT_DB_EMPTY 0xF3
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static const value_string fc_dns_rjt_det_code_val [] = {
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{FCDNS_RJT_NOREASON , "No Additional Info"},
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{FCDNS_RJT_PIDNOTREG , "PortID Not Regd."},
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{FCDNS_RJT_PNAMENOTREG , "PortName Not Regd."},
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{FCDNS_RJT_NNAMENOTREG , "NodeName Not Regd."},
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{FCDNS_RJT_CLASSNOTREG , "Class Not Regd."},
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{FCDNS_RJT_IPNNOTREG , "IP Addr (Node) Not Regd."},
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{FCDNS_RJT_IPANOTREG , "IPA Not Regd."},
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{FCDNS_RJT_FC4NOTREG , "FC4 TYPEs Not Regd."},
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{FCDNS_RJT_SPNAMENOTREG, "Symbolic PortName Not Regd."},
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{FCDNS_RJT_SNNAMENOTREG, "Symbolic NodeName Not Regd."},
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{FCDNS_RJT_PTYPENOTREG , "PortType Not Regd."},
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{FCDNS_RJT_IPPNOTREG , "IP Addr (Port) Not Regd."},
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{FCDNS_RJT_FPNAMENOTREG, "Fabric Port Name Not Regd."},
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{FCDNS_RJT_HRDADDNOTREG, "Hard Addr Not Regd."},
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{FCDNS_RJT_FC4DESNOTREG, "FC4 Descriptors Not Regd."},
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{FCDNS_RJT_FC4FEANOTREG, "FC4 Features Not Regd."},
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{FCDNS_RJT_ACCRJT , "Access Denied"},
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{FCDNS_RJT_PTYPEFMT , "Unacceptable PortId"},
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{FCDNS_RJT_DBEMPTY , "Database Empty"},
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{FCDNS_RJT_NOOBJSCOPE , "No Objects Regd. in Scope"},
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{FCDNS_RJT_AUTHRZN_EXCEPTION, "Authorization Exception"},
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{FCDNS_RJT_AUTH_EXCEPTION, "Authentication Exception"},
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{FCDNS_RJT_DB_FULL, "Database Full"},
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{FCDNS_RJT_DB_EMPTY, "Database Empty"},
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{0, NULL},
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};
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/* Actual servers serving the directory service type identified by subtype */
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#define FCDNS_GSSUBTYPE_DNS 0x02
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#define FCDNS_GSSUBTYPE_IP 0x03
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static int proto_fcdns = -1;
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static int hf_fcdns_cos_1 = -1;
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static int hf_fcdns_cos_2 = -1;
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static int hf_fcdns_cos_3 = -1;
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static int hf_fcdns_cos_4 = -1;
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static int hf_fcdns_cos_6 = -1;
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static int hf_fcdns_cos_f = -1;
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static int hf_fcdns_fc4features = -1;
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static int hf_fcdns_fc4features_i = -1;
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static int hf_fcdns_fc4features_t = -1;
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static int hf_fcdns_fc4type = -1;
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static int hf_fcdns_fc4type_fcp = -1;
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static int hf_fcdns_fc4type_gs3 = -1;
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static int hf_fcdns_fc4type_ip = -1;
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static int hf_fcdns_fc4type_llcsnap = -1;
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static int hf_fcdns_fc4type_snmp = -1;
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static int hf_fcdns_fc4type_swils = -1;
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static int hf_fcdns_fc4type_vi = -1;
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static int hf_fcdns_id_length = -1;
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static int hf_fcdns_maxres_size = -1;
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static int hf_fcdns_num_entries = -1;
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static int hf_fcdns_num_fc4desc = -1;
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static int hf_fcdns_opcode = -1;
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static int hf_fcdns_portip = -1;
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static int hf_fcdns_reason = -1;
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static int hf_fcdns_reply_cos = -1;
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static int hf_fcdns_req_areascope = -1;
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static int hf_fcdns_req_cos = -1;
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static int hf_fcdns_req_domainscope = -1;
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static int hf_fcdns_req_fc4type = -1;
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static int hf_fcdns_req_fc4types = -1;
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static int hf_fcdns_req_fdesc = -1;
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static int hf_fcdns_req_fdesclen = -1;
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static int hf_fcdns_req_ip = -1;
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static int hf_fcdns_req_nname = -1;
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static int hf_fcdns_req_pname = -1;
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static int hf_fcdns_req_portid = -1;
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static int hf_fcdns_req_ptype = -1;
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static int hf_fcdns_req_sname = -1;
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static int hf_fcdns_req_snamelen = -1;
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static int hf_fcdns_req_spname = -1;
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static int hf_fcdns_req_spnamelen = -1;
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static int hf_fcdns_rjtdetail = -1;
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static int hf_fcdns_rply_fc4desc = -1;
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static int hf_fcdns_rply_fc4desclen = -1;
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static int hf_fcdns_rply_fc4type = -1;
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static int hf_fcdns_rply_fpname = -1;
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static int hf_fcdns_rply_gft = -1;
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static int hf_fcdns_rply_hrdaddr = -1;
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static int hf_fcdns_rply_ipa = -1;
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static int hf_fcdns_rply_ipnode = -1;
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static int hf_fcdns_rply_ipport = -1;
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static int hf_fcdns_rply_nname = -1;
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static int hf_fcdns_rply_ownerid = -1;
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static int hf_fcdns_rply_pname = -1;
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static int hf_fcdns_rply_portid = -1;
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static int hf_fcdns_rply_ptype = -1;
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static int hf_fcdns_rply_sname = -1;
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static int hf_fcdns_rply_snamelen = -1;
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static int hf_fcdns_rply_spname = -1;
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static int hf_fcdns_rply_spnamelen = -1;
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static int hf_fcdns_sw2_objfmt = -1;
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static int hf_fcdns_vendor = -1;
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static int hf_fcdns_zone_flags = -1;
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static int hf_fcdns_zone_mbrid = -1;
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static int hf_fcdns_zone_mbrid_fc = -1;
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static int hf_fcdns_zone_mbrid_uint = -1;
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static int hf_fcdns_zone_mbrid_wwn = -1;
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static int hf_fcdns_zone_mbrtype = -1;
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static int hf_fcdns_zonelen = -1;
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static int hf_fcdns_zonenm = -1;
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/* Initialize the subtree pointers */
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static gint ett_fcdns = -1;
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static gint ett_cos_flags = -1;
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static gint ett_fc4flags = -1;
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static gint ett_fc4features = -1;
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static expert_field ei_fcdns_no_record_of_exchange = EI_INIT;
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static expert_field ei_fcdns_zone_mbrid = EI_INIT;
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typedef struct _fcdns_conv_key {
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guint32 conv_idx;
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} fcdns_conv_key_t;
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typedef struct _fcdns_conv_data {
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guint32 opcode;
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} fcdns_conv_data_t;
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static wmem_map_t *fcdns_req_hash = NULL;
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/*
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* Hash Functions
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*/
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static gint
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fcdns_equal(gconstpointer v, gconstpointer w)
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{
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const fcdns_conv_key_t *v1 = (const fcdns_conv_key_t *)v;
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const fcdns_conv_key_t *v2 = (const fcdns_conv_key_t *)w;
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return (v1->conv_idx == v2->conv_idx);
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}
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static guint
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fcdns_hash (gconstpointer v)
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{
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const fcdns_conv_key_t *key = (const fcdns_conv_key_t *)v;
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guint val;
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val = key->conv_idx;
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return val;
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}
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static void
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dissect_cos_flags (proto_tree *parent_tree, tvbuff_t *tvb, int offset, int hfindex)
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{
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static int * const flags[] = {
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&hf_fcdns_cos_f,
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&hf_fcdns_cos_1,
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&hf_fcdns_cos_2,
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&hf_fcdns_cos_3,
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&hf_fcdns_cos_4,
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&hf_fcdns_cos_6,
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NULL
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};
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proto_tree_add_bitmask_with_flags(parent_tree, tvb, offset, hfindex,
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ett_cos_flags, flags, ENC_BIG_ENDIAN, BMT_NO_FALSE|BMT_NO_TFS);
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}
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/* The feature routines just decode FCP's FC-4 features field
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* based on the flahs in offset and the type in offset+1
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*/
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static void
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dissect_fc4features_and_type (proto_tree *parent_tree, tvbuff_t *tvb, int offset)
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{
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guint8 type;
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static int * const flags[] = {
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&hf_fcdns_fc4features_i,
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&hf_fcdns_fc4features_t,
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NULL
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};
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type = tvb_get_guint8(tvb, offset+1);
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if(type==FC_TYPE_SCSI){
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proto_tree_add_bitmask_with_flags(parent_tree, tvb, offset, hf_fcdns_fc4features,
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ett_fc4features, flags, ENC_NA, BMT_NO_FALSE|BMT_NO_TFS);
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} else {
|
|
proto_tree_add_item(parent_tree, hf_fcdns_fc4features, tvb, offset, 1, ENC_NA);
|
|
}
|
|
|
|
proto_tree_add_item (parent_tree, hf_fcdns_req_fc4type, tvb, offset+1, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
/* The feature routines just decode FCP's FC-4 features field
|
|
*/
|
|
static void
|
|
dissect_fc4features (proto_tree *parent_tree, tvbuff_t *tvb, int offset)
|
|
{
|
|
static int * const flags[] = {
|
|
&hf_fcdns_fc4features_i,
|
|
&hf_fcdns_fc4features_t,
|
|
NULL
|
|
};
|
|
|
|
proto_tree_add_bitmask(parent_tree, tvb, offset, hf_fcdns_fc4features,
|
|
ett_fc4features, flags, ENC_NA);
|
|
}
|
|
|
|
|
|
|
|
/* Decodes LLC/SNAP, IP, FCP, VI, GS, SW_ILS types only */
|
|
static void
|
|
dissect_fc4type (proto_tree *parent_tree, tvbuff_t *tvb, int offset, int hfindex)
|
|
{
|
|
proto_item *item;
|
|
proto_tree *tree;
|
|
guint32 flags;
|
|
|
|
item=proto_tree_add_item(parent_tree, hfindex, tvb, offset,
|
|
32, ENC_NA);
|
|
tree=proto_item_add_subtree(item, ett_fc4flags);
|
|
|
|
flags = tvb_get_ntohl (tvb, offset);
|
|
|
|
proto_tree_add_boolean(tree, hf_fcdns_fc4type_fcp, tvb, offset, 4, flags);
|
|
if (flags&0x0100){
|
|
proto_item_append_text(item, " FCP");
|
|
}
|
|
flags&=(~( 0x0100 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_fcdns_fc4type_ip, tvb, offset, 4, flags);
|
|
if (flags&0x0020){
|
|
proto_item_append_text(item, " IP");
|
|
}
|
|
flags&=(~( 0x0020 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_fcdns_fc4type_llcsnap, tvb, offset, 4, flags);
|
|
if (flags&0x0010){
|
|
proto_item_append_text(item, " LLC/SNAP");
|
|
}
|
|
/*flags&=(~( 0x0010 ));*/
|
|
|
|
|
|
flags = tvb_get_ntohl (tvb, offset+4);
|
|
|
|
proto_tree_add_boolean(tree, hf_fcdns_fc4type_swils, tvb, offset+4, 4, flags);
|
|
if (flags&0x0010){
|
|
proto_item_append_text(item, " SW_ILS");
|
|
}
|
|
flags&=(~( 0x0010 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_fcdns_fc4type_snmp, tvb, offset+4, 4, flags);
|
|
if (flags&0x0004){
|
|
proto_item_append_text(item, " SNMP");
|
|
}
|
|
flags&=(~( 0x0004 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_fcdns_fc4type_gs3, tvb, offset+4, 4, flags);
|
|
if (flags&0x0001){
|
|
proto_item_append_text(item, " GS3");
|
|
}
|
|
/*flags&=(~( 0x0001 ));*/
|
|
|
|
|
|
flags = tvb_get_ntohl (tvb, offset+8);
|
|
|
|
proto_tree_add_boolean(tree, hf_fcdns_fc4type_vi, tvb, offset+8, 4, flags);
|
|
if (flags&0x0001){
|
|
proto_item_append_text(item, " VI");
|
|
}
|
|
/*flags&=(~( 0x0001 ));*/
|
|
}
|
|
|
|
/* Code to actually dissect the packets */
|
|
|
|
/* A bunch of get routines have a similar req packet format. The first few
|
|
* routines deal with this decoding. All assume that tree is valid */
|
|
static void
|
|
dissect_fcdns_req_portid (tvbuff_t *tvb, proto_tree *tree, int offset)
|
|
{
|
|
proto_tree_add_item (tree, hf_fcdns_req_portid, tvb, offset, 3, ENC_NA);
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_ganxt (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
guint8 len;
|
|
|
|
if (req_tree) {
|
|
if (isreq) {
|
|
dissect_fcdns_req_portid (tvb, req_tree, offset+1);
|
|
}
|
|
else {
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_ptype, tvb, offset,
|
|
1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_portid, tvb,
|
|
offset+1, 3, ENC_NA);
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_pname, tvb,
|
|
offset+4, 8, ENC_NA);
|
|
len = tvb_get_guint8 (tvb, offset+12);
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_spnamelen, tvb,
|
|
offset+12, 1, ENC_BIG_ENDIAN);
|
|
if (!tvb_offset_exists (tvb, 29+len))
|
|
return;
|
|
|
|
if (len) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_spname, tvb,
|
|
offset+13, len, ENC_ASCII);
|
|
}
|
|
|
|
if (tvb_offset_exists (tvb, 292)) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_nname, tvb,
|
|
offset+268, 8, ENC_NA);
|
|
}
|
|
if (tvb_offset_exists (tvb, 548)) {
|
|
len = tvb_get_guint8 (tvb, offset+276);
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_snamelen, tvb,
|
|
offset+276, 1, ENC_BIG_ENDIAN);
|
|
if (len) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_sname, tvb,
|
|
offset+277, len, ENC_ASCII);
|
|
}
|
|
}
|
|
if (tvb_offset_exists (tvb, 556)) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_ipa, tvb,
|
|
offset+532, 8, ENC_NA);
|
|
}
|
|
if (tvb_offset_exists (tvb, 572)) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_ipnode, tvb,
|
|
offset+540, 16, ENC_NA);
|
|
}
|
|
if (tvb_offset_exists (tvb, 576)) {
|
|
dissect_cos_flags(req_tree, tvb, offset+556, hf_fcdns_reply_cos);
|
|
}
|
|
if (tvb_offset_exists (tvb, 608)) {
|
|
dissect_fc4type(req_tree, tvb, offset+560, hf_fcdns_rply_gft);
|
|
}
|
|
if (tvb_offset_exists (tvb, 624)) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_ipport, tvb,
|
|
offset+592, 16, ENC_NA);
|
|
}
|
|
if (tvb_offset_exists (tvb, 632)) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_fpname, tvb,
|
|
offset+608, 8, ENC_NA);
|
|
}
|
|
if (tvb_offset_exists (tvb, 635)) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_hrdaddr, tvb,
|
|
offset+617, 3, ENC_NA);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gpnid (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (req_tree) {
|
|
if (isreq) {
|
|
dissect_fcdns_req_portid (tvb, req_tree, offset+1);
|
|
}
|
|
else {
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_pname, tvb, offset,
|
|
8, ENC_NA);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gnnid (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (req_tree) {
|
|
if (isreq) {
|
|
dissect_fcdns_req_portid (tvb, req_tree, offset+1);
|
|
}
|
|
else {
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_nname, tvb,
|
|
offset, 8, ENC_NA);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gcsid (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (req_tree) {
|
|
if (isreq) {
|
|
dissect_fcdns_req_portid (tvb, req_tree, offset);
|
|
}
|
|
else {
|
|
dissect_cos_flags(req_tree, tvb, offset, hf_fcdns_reply_cos);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gftid (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (req_tree) {
|
|
if (isreq) {
|
|
dissect_fcdns_req_portid (tvb, req_tree, offset+1);
|
|
}
|
|
else {
|
|
dissect_fc4type(req_tree, tvb, offset, hf_fcdns_rply_gft);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gspnid (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
guint8 len;
|
|
|
|
if (req_tree) {
|
|
if (isreq) {
|
|
dissect_fcdns_req_portid (tvb, req_tree, offset+1);
|
|
}
|
|
else {
|
|
len = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_spnamelen,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_spname, tvb,
|
|
offset+1, len, ENC_ASCII);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gptid (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (req_tree) {
|
|
if (isreq) {
|
|
dissect_fcdns_req_portid (tvb, req_tree, offset+1);
|
|
}
|
|
else {
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_ptype, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gfpnid (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (req_tree) {
|
|
if (isreq) {
|
|
dissect_fcdns_req_portid (tvb, req_tree, offset+1);
|
|
}
|
|
else {
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_fpname, tvb,
|
|
offset, 8, ENC_NA);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gfdid (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
int tot_len, desclen;
|
|
|
|
if (req_tree) {
|
|
if (isreq) {
|
|
dissect_fcdns_req_portid (tvb, req_tree, offset+1);
|
|
dissect_fc4type(req_tree, tvb, offset+4, hf_fcdns_fc4type);
|
|
}
|
|
else {
|
|
tot_len = tvb_reported_length_remaining (tvb, offset); /* excluding CT header */
|
|
while (tot_len > 0) {
|
|
/* The count of the descriptors is not returned and so we have
|
|
* to track the display by the length field */
|
|
desclen = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_fc4desc, tvb,
|
|
offset, desclen, ENC_NA);
|
|
tot_len -= 255; /* descriptors are aligned to 255 bytes */
|
|
offset += 256;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gffid (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (req_tree) {
|
|
if (isreq) {
|
|
dissect_fcdns_req_portid (tvb, req_tree, offset+1);
|
|
}
|
|
else {
|
|
dissect_fc4features(req_tree, tvb, offset);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gidpn (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (req_tree) {
|
|
if (isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_pname, tvb,
|
|
offset, 8, ENC_NA);
|
|
}
|
|
else {
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_portid, tvb,
|
|
offset+1, 3, ENC_NA);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gipppn (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (req_tree) {
|
|
if (isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_pname, tvb,
|
|
offset, 8, ENC_NA);
|
|
}
|
|
else {
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_ipport, tvb, offset,
|
|
16, ENC_NA);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gidnn (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
guint8 islast;
|
|
|
|
if (req_tree) {
|
|
if (isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_nname, tvb,
|
|
offset, 8, ENC_NA);
|
|
}
|
|
else {
|
|
do {
|
|
islast = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_portid,
|
|
tvb, offset+1, 3, ENC_NA);
|
|
offset += 4;
|
|
} while (!(islast & 0x80));
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gipnn (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (req_tree) {
|
|
if (isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_nname, tvb,
|
|
offset, 8, ENC_NA);
|
|
}
|
|
else {
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_ipnode, tvb, offset,
|
|
16, ENC_NA);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gpnnn (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
guint8 islast;
|
|
|
|
if (req_tree) {
|
|
if (isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_nname, tvb,
|
|
offset, 8, ENC_NA);
|
|
}
|
|
else {
|
|
do {
|
|
islast = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_portid,
|
|
tvb, offset+1, 3, ENC_NA);
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_pname,
|
|
tvb, offset+8, 8, ENC_NA);
|
|
offset += 16;
|
|
} while (!(islast & 0x80));
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gsnnnn (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
guint8 len;
|
|
|
|
if (req_tree) {
|
|
if (isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_nname, tvb,
|
|
offset, 8, ENC_NA);
|
|
}
|
|
else {
|
|
len = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_snamelen, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_sname, tvb,
|
|
offset+1, len, ENC_ASCII);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gidft (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
guint8 islast;
|
|
|
|
if (req_tree) {
|
|
if (isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_domainscope,
|
|
tvb, offset+1, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_areascope,
|
|
tvb, offset+2, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_fc4type,
|
|
tvb, offset+3, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
else {
|
|
do {
|
|
islast = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_portid,
|
|
tvb, offset+1, 3, ENC_NA);
|
|
offset += 4;
|
|
} while (!(islast & 0x80));
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gpnft (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
guint8 islast;
|
|
|
|
if (req_tree) {
|
|
if (isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_domainscope,
|
|
tvb, offset+1, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_areascope,
|
|
tvb, offset+2, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_fc4type,
|
|
tvb, offset+3, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
else {
|
|
do {
|
|
islast = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_portid,
|
|
tvb, offset+1, 3, ENC_NA);
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_pname,
|
|
tvb, offset+4, 8, ENC_NA);
|
|
offset += 16;
|
|
} while (!(islast & 0x80));
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gnnft (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
guint8 islast;
|
|
|
|
if (req_tree) {
|
|
if (isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_domainscope,
|
|
tvb, offset+1, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_areascope,
|
|
tvb, offset+2, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_fc4type,
|
|
tvb, offset+3, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
else {
|
|
do {
|
|
islast = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_portid,
|
|
tvb, offset+1, 3, ENC_NA);
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_nname,
|
|
tvb, offset+4, 8, ENC_NA);
|
|
offset += 16;
|
|
} while (!(islast & 0x80));
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gidpt (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
guint8 islast = 0;
|
|
|
|
if (req_tree) {
|
|
if (isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_ptype,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_domainscope,
|
|
tvb, offset+1, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_areascope,
|
|
tvb, offset+2, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
else {
|
|
do {
|
|
islast = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_portid,
|
|
tvb, offset+1, 3, ENC_NA);
|
|
offset += 4;
|
|
} while (!(islast & 0x80));
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gidipp (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
guint8 islast;
|
|
|
|
if (req_tree) {
|
|
if (isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_ip, tvb, offset,
|
|
16, ENC_NA);
|
|
}
|
|
else {
|
|
do {
|
|
islast = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_portid,
|
|
tvb, offset+1, 3, ENC_NA);
|
|
offset += 4;
|
|
} while (!(islast & 0x80));
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gidff (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
guint8 islast;
|
|
|
|
if (req_tree) {
|
|
if (isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_domainscope, tvb,
|
|
offset+1, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_areascope, tvb,
|
|
offset+2, 1, ENC_BIG_ENDIAN);
|
|
dissect_fc4features_and_type(req_tree, tvb, offset+6);
|
|
}
|
|
else {
|
|
do {
|
|
islast = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item (req_tree, hf_fcdns_rply_portid,
|
|
tvb, offset+1, 3, ENC_NA);
|
|
offset += 4;
|
|
} while (!(islast & 0x80));
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_rpnid (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (req_tree) {
|
|
if (isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_portid,
|
|
tvb, offset+1, 3, ENC_NA);
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_pname, tvb,
|
|
offset+4, 8, ENC_NA);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_rnnid (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (req_tree) {
|
|
if (isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_portid,
|
|
tvb, offset+1, 3, ENC_NA);
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_nname, tvb,
|
|
offset+4, 8, ENC_NA);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_rcsid (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (req_tree && isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_portid, tvb,
|
|
offset+1, 3, ENC_NA);
|
|
dissect_cos_flags(req_tree, tvb, offset+4, hf_fcdns_req_cos);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_rptid (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_portid, tvb,
|
|
offset+1, 3, ENC_NA);
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_ptype, tvb,
|
|
offset+4, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_rftid (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_portid, tvb,
|
|
offset+1, 3, ENC_NA);
|
|
dissect_fc4type(req_tree, tvb, offset+4, hf_fcdns_req_fc4types);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_rspnid (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
guint8 len;
|
|
|
|
if (req_tree && isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_portid, tvb,
|
|
offset+1, 3, ENC_NA);
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_spnamelen, tvb,
|
|
offset+4, 1, ENC_BIG_ENDIAN);
|
|
len = tvb_get_guint8 (tvb, offset+4);
|
|
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_spname, tvb, offset+5,
|
|
len, ENC_ASCII);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_rippid (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_portid, tvb,
|
|
offset+1, 3, ENC_NA);
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_ip, tvb,
|
|
offset+4, 16, ENC_NA);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_rfdid (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
int len;
|
|
|
|
if (isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_portid, tvb,
|
|
offset+1, 3, ENC_NA);
|
|
dissect_fc4type(req_tree, tvb, offset+4, hf_fcdns_req_fc4types);
|
|
|
|
offset += 36;
|
|
len = tvb_reported_length_remaining (tvb, offset);
|
|
|
|
while (len > 0) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_fdesclen, tvb, offset,
|
|
1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_fdesc, tvb, offset+1,
|
|
len, ENC_ASCII);
|
|
offset += 256;
|
|
len -= 256;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_rffid (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_portid, tvb, offset+1, 3, ENC_NA);
|
|
dissect_fc4features_and_type(req_tree, tvb, offset+6);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_ripnn (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_nname, tvb, offset, 8, ENC_NA);
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_ip, tvb, offset+8, 16, ENC_NA);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_rsnnnn (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
guint8 len;
|
|
|
|
if (isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_nname, tvb, offset, 8, ENC_NA);
|
|
len = tvb_get_guint8 (tvb, offset+8);
|
|
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_snamelen, tvb, offset+8,
|
|
1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_sname, tvb, offset+9,
|
|
len, ENC_ASCII);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_daid (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_portid, tvb, offset+1, 3, ENC_NA);
|
|
}
|
|
}
|
|
|
|
static guint8 *
|
|
zonenm_to_str (tvbuff_t *tvb, gint offset)
|
|
{
|
|
int len = tvb_get_guint8 (tvb, offset);
|
|
return tvb_get_string_enc(wmem_packet_scope(), tvb, offset+4, len, ENC_ASCII);
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_zone_mbr (tvbuff_t *tvb, packet_info* pinfo, proto_tree *zmbr_tree, int offset)
|
|
{
|
|
guint8 mbrtype;
|
|
int idlen;
|
|
proto_item* ti;
|
|
|
|
mbrtype = tvb_get_guint8 (tvb, offset);
|
|
ti = proto_tree_add_uint (zmbr_tree, hf_fcdns_zone_mbrtype, tvb,
|
|
offset, 1, mbrtype);
|
|
proto_tree_add_item(zmbr_tree, hf_fcdns_zone_flags, tvb, offset+2, 1, ENC_NA);
|
|
idlen = tvb_get_guint8 (tvb, offset+3);
|
|
proto_tree_add_item(zmbr_tree, hf_fcdns_id_length, tvb, offset+3, 1, ENC_NA);
|
|
switch (mbrtype) {
|
|
case FC_SWILS_ZONEMBR_WWN:
|
|
proto_tree_add_item (zmbr_tree, hf_fcdns_zone_mbrid_wwn, tvb,
|
|
offset+4, 8, ENC_NA);
|
|
break;
|
|
case FC_SWILS_ZONEMBR_DP:
|
|
proto_tree_add_item (zmbr_tree, hf_fcdns_zone_mbrid_uint, tvb,
|
|
offset+4, 4, ENC_BIG_ENDIAN);
|
|
break;
|
|
case FC_SWILS_ZONEMBR_FCID:
|
|
proto_tree_add_item (zmbr_tree, hf_fcdns_zone_mbrid_fc, tvb,
|
|
offset+4, 3, ENC_NA);
|
|
break;
|
|
case FC_SWILS_ZONEMBR_ALIAS:
|
|
proto_tree_add_string (zmbr_tree, hf_fcdns_zone_mbrid, tvb,
|
|
offset+4, idlen, zonenm_to_str (tvb, offset+4));
|
|
break;
|
|
default:
|
|
expert_add_info(pinfo, ti, &ei_fcdns_zone_mbrid);
|
|
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_swils_entries (tvbuff_t *tvb, proto_tree *tree, int offset)
|
|
{
|
|
int numrec, i, len;
|
|
guint8 objfmt;
|
|
|
|
if (tree) {
|
|
numrec = tvb_get_ntohl (tvb, offset);
|
|
proto_tree_add_uint(tree, hf_fcdns_num_entries, tvb, offset, 4, numrec);
|
|
offset += 4;
|
|
|
|
for (i = 0; i < numrec; i++) {
|
|
objfmt = tvb_get_guint8 (tvb, offset);
|
|
|
|
proto_tree_add_item (tree, hf_fcdns_sw2_objfmt, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item (tree, hf_fcdns_rply_ownerid, tvb, offset+1, 3, ENC_NA);
|
|
proto_tree_add_item (tree, hf_fcdns_rply_ptype, tvb, offset+4,
|
|
1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item (tree, hf_fcdns_rply_portid, tvb, offset+5, 3, ENC_NA);
|
|
proto_tree_add_item (tree, hf_fcdns_rply_pname, tvb, offset+8, 8, ENC_NA);
|
|
offset += 16;
|
|
if (!(objfmt & 0x1)) {
|
|
len = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item (tree, hf_fcdns_rply_spnamelen, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item (tree, hf_fcdns_rply_spname, tvb,
|
|
offset+1, len, ENC_ASCII);
|
|
offset += 256;
|
|
}
|
|
proto_tree_add_item (tree, hf_fcdns_rply_nname, tvb, offset, 8, ENC_NA);
|
|
offset += 8;
|
|
if (!(objfmt & 0x1)) {
|
|
len = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item (tree, hf_fcdns_rply_snamelen, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item (tree, hf_fcdns_rply_sname, tvb,
|
|
offset+1, len, ENC_ASCII);
|
|
offset += 256;
|
|
}
|
|
proto_tree_add_item (tree, hf_fcdns_rply_ipa, tvb, offset, 8, ENC_NA);
|
|
proto_tree_add_item (tree, hf_fcdns_rply_ipnode, tvb, offset+8, 16,
|
|
ENC_NA);
|
|
dissect_cos_flags(tree, tvb, offset+24, hf_fcdns_reply_cos);
|
|
dissect_fc4type(tree, tvb, offset+28, hf_fcdns_rply_gft);
|
|
proto_tree_add_item (tree, hf_fcdns_rply_ipport, tvb, offset+60,
|
|
16, ENC_NA);
|
|
proto_tree_add_item (tree, hf_fcdns_rply_fpname, tvb, offset+76,
|
|
8, ENC_NA);
|
|
proto_tree_add_item (tree, hf_fcdns_rply_hrdaddr, tvb, offset+85,
|
|
3, ENC_NA);
|
|
offset += 88;
|
|
if (objfmt & 0x2) {
|
|
dissect_fc4features(tree, tvb, offset);
|
|
if (tvb_get_guint8 (tvb, offset+129)) {
|
|
proto_tree_add_item (tree, hf_fcdns_rply_fc4type, tvb,
|
|
offset+128, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item (tree, hf_fcdns_num_fc4desc, tvb,
|
|
offset+129, 1, ENC_BIG_ENDIAN);
|
|
len = tvb_get_guint8 (tvb, offset+132);
|
|
proto_tree_add_item (tree, hf_fcdns_rply_fc4desclen, tvb,
|
|
offset+132, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item (tree, hf_fcdns_rply_fc4desc, tvb,
|
|
offset+133, len, ENC_NA);
|
|
}
|
|
else {
|
|
proto_tree_add_item (tree, hf_fcdns_num_fc4desc, tvb,
|
|
offset+129, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
offset += 388; /* FC4 desc is 260 bytes, maybe padded */
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_geid (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_portid, tvb, offset+1, 3, ENC_NA);
|
|
}
|
|
else {
|
|
dissect_fcdns_swils_entries (tvb, req_tree, offset);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gepn (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
if (isreq) {
|
|
proto_tree_add_item(req_tree, hf_fcdns_req_pname, tvb, offset, 8, ENC_NA);
|
|
}
|
|
else {
|
|
dissect_fcdns_swils_entries (tvb, req_tree, offset);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_genn (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (isreq) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_nname, tvb, offset, 8, ENC_NA);
|
|
}
|
|
else {
|
|
dissect_fcdns_swils_entries (tvb, req_tree, offset);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_geip (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (isreq) {
|
|
if (req_tree) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_ip, tvb, offset, 16, ENC_NA);
|
|
}
|
|
}
|
|
else {
|
|
dissect_fcdns_swils_entries (tvb, req_tree, offset);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_geft (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (isreq) {
|
|
if (req_tree) {
|
|
dissect_fc4type(req_tree, tvb, offset, hf_fcdns_fc4type);
|
|
}
|
|
}
|
|
else {
|
|
dissect_fcdns_swils_entries (tvb, req_tree, offset);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gept (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (isreq) {
|
|
if (req_tree) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_req_ptype, tvb, offset+3,
|
|
1, ENC_BIG_ENDIAN);
|
|
}
|
|
}
|
|
else {
|
|
dissect_fcdns_swils_entries (tvb, req_tree, offset);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gezm (tvbuff_t *tvb, packet_info* pinfo, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (isreq) {
|
|
dissect_fcdns_zone_mbr (tvb, pinfo, req_tree, offset);
|
|
}
|
|
else {
|
|
dissect_fcdns_swils_entries (tvb, req_tree, offset);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_gezn (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
int str_len;
|
|
|
|
if (isreq) {
|
|
if (req_tree) {
|
|
str_len = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_uint(req_tree, hf_fcdns_zonelen, tvb, offset, 1, str_len);
|
|
proto_tree_add_item (req_tree, hf_fcdns_zonenm, tvb, offset+3,
|
|
str_len, ENC_ASCII);
|
|
}
|
|
}
|
|
else {
|
|
dissect_fcdns_swils_entries (tvb, req_tree, offset);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_geipp (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (isreq) {
|
|
if (req_tree) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_portip, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
}
|
|
}
|
|
else {
|
|
dissect_fcdns_swils_entries (tvb, req_tree, offset);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_geff (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (isreq) {
|
|
if (req_tree) {
|
|
dissect_fc4features(req_tree, tvb, offset);
|
|
}
|
|
}
|
|
else {
|
|
dissect_fcdns_swils_entries (tvb, req_tree, offset);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcdns_rjt (tvbuff_t *tvb, proto_tree *req_tree)
|
|
{
|
|
int offset = 0;
|
|
|
|
if (req_tree) {
|
|
proto_tree_add_item (req_tree, hf_fcdns_reason, tvb, offset+13, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item (req_tree, hf_fcdns_rjtdetail, tvb, offset+14, 1,
|
|
ENC_BIG_ENDIAN);
|
|
proto_tree_add_item (req_tree, hf_fcdns_vendor, tvb, offset+15, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
}
|
|
|
|
static int
|
|
dissect_fcdns (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
|
|
{
|
|
/* Set up structures needed to add the protocol subtree and manage it */
|
|
proto_item *ti = NULL;
|
|
proto_tree *fcdns_tree = NULL;
|
|
int offset = 0;
|
|
int opcode,
|
|
failed_opcode = 0;
|
|
int isreq = 1;
|
|
fc_ct_preamble cthdr;
|
|
conversation_t *conversation;
|
|
fcdns_conv_data_t *cdata;
|
|
fcdns_conv_key_t ckey, *req_key;
|
|
fc_hdr *fchdr;
|
|
|
|
/* Reject the packet if data is NULL */
|
|
if (data == NULL)
|
|
return 0;
|
|
fchdr = (fc_hdr *)data;
|
|
|
|
tvb_memcpy (tvb, (guint8 *)&cthdr, offset, FCCT_PRMBL_SIZE);
|
|
cthdr.revision = tvb_get_guint8 (tvb, offset);
|
|
cthdr.in_id = tvb_get_ntoh24 (tvb, offset+1);
|
|
cthdr.opcode = g_ntohs (cthdr.opcode);
|
|
opcode = cthdr.opcode;
|
|
cthdr.maxres_size = g_ntohs (cthdr.maxres_size);
|
|
|
|
/* Determine the type of server the request/response is for */
|
|
if (cthdr.gstype == FCCT_GSTYPE_DIRSVC)
|
|
col_set_str (pinfo->cinfo, COL_PROTOCOL, "dNS");
|
|
else
|
|
col_set_str (pinfo->cinfo, COL_PROTOCOL, "Unzoned NS");
|
|
|
|
if (tree) {
|
|
if (cthdr.gstype == FCCT_GSTYPE_DIRSVC) {
|
|
ti = proto_tree_add_protocol_format (tree, proto_fcdns, tvb, 0,
|
|
-1,
|
|
"dNS");
|
|
fcdns_tree = proto_item_add_subtree (ti, ett_fcdns);
|
|
}
|
|
else {
|
|
ti = proto_tree_add_protocol_format (tree, proto_fcdns, tvb, 0,
|
|
-1,
|
|
"Unzoned NS");
|
|
fcdns_tree = proto_item_add_subtree (ti, ett_fcdns);
|
|
}
|
|
}
|
|
|
|
if ((opcode != FCCT_MSG_ACC) && (opcode != FCCT_MSG_RJT)) {
|
|
conversation = find_conversation (pinfo->num, &pinfo->src, &pinfo->dst,
|
|
conversation_pt_to_conversation_type(pinfo->ptype), fchdr->oxid,
|
|
fchdr->rxid, NO_PORT_B);
|
|
if (!conversation) {
|
|
conversation = conversation_new (pinfo->num, &pinfo->src, &pinfo->dst,
|
|
conversation_pt_to_conversation_type(pinfo->ptype), fchdr->oxid,
|
|
fchdr->rxid, NO_PORT2);
|
|
}
|
|
|
|
ckey.conv_idx = conversation->conv_index;
|
|
|
|
cdata = (fcdns_conv_data_t *)wmem_map_lookup (fcdns_req_hash,
|
|
&ckey);
|
|
if (cdata) {
|
|
/* Since we never free the memory used by an exchange, this maybe a
|
|
* case of another request using the same exchange as a previous
|
|
* req.
|
|
*/
|
|
cdata->opcode = opcode;
|
|
}
|
|
else {
|
|
req_key = wmem_new(wmem_file_scope(), fcdns_conv_key_t);
|
|
req_key->conv_idx = conversation->conv_index;
|
|
|
|
cdata = wmem_new(wmem_file_scope(), fcdns_conv_data_t);
|
|
cdata->opcode = opcode;
|
|
|
|
wmem_map_insert (fcdns_req_hash, req_key, cdata);
|
|
}
|
|
col_add_str (pinfo->cinfo, COL_INFO, val_to_str (opcode, fc_dns_opcode_val,
|
|
"0x%x"));
|
|
}
|
|
else {
|
|
/* Opcode is ACC or RJT */
|
|
conversation = find_conversation (pinfo->num, &pinfo->src, &pinfo->dst,
|
|
conversation_pt_to_conversation_type(pinfo->ptype), fchdr->oxid,
|
|
fchdr->rxid, NO_PORT_B);
|
|
isreq = 0;
|
|
if (!conversation) {
|
|
if (opcode == FCCT_MSG_ACC) {
|
|
col_add_str (pinfo->cinfo, COL_INFO,
|
|
val_to_str (opcode, fc_dns_opcode_val,
|
|
"0x%x"));
|
|
/* No record of what this accept is for. Can't decode */
|
|
proto_tree_add_expert(fcdns_tree, pinfo, &ei_fcdns_no_record_of_exchange, tvb, 0, -1);
|
|
return 0;
|
|
}
|
|
}
|
|
else {
|
|
ckey.conv_idx = conversation->conv_index;
|
|
|
|
cdata = (fcdns_conv_data_t *)wmem_map_lookup (fcdns_req_hash, &ckey);
|
|
|
|
if (cdata != NULL) {
|
|
if (opcode == FCCT_MSG_ACC) {
|
|
opcode = cdata->opcode;
|
|
}
|
|
else
|
|
failed_opcode = cdata->opcode;
|
|
}
|
|
|
|
if (opcode != FCCT_MSG_RJT) {
|
|
col_add_fstr (pinfo->cinfo, COL_INFO, "ACC (%s)",
|
|
val_to_str (opcode, fc_dns_opcode_val,
|
|
"0x%x"));
|
|
}
|
|
else {
|
|
col_add_fstr (pinfo->cinfo, COL_INFO, "RJT (%s)",
|
|
val_to_str (failed_opcode,
|
|
fc_dns_opcode_val,
|
|
"0x%x"));
|
|
}
|
|
|
|
if (tree) {
|
|
if ((cdata == NULL) && (opcode != FCCT_MSG_RJT)) {
|
|
/* No record of what this accept is for. Can't decode */
|
|
proto_tree_add_expert(fcdns_tree, pinfo, &ei_fcdns_no_record_of_exchange, tvb, 0, -1);
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (tree) {
|
|
proto_tree_add_item (fcdns_tree, hf_fcdns_opcode, tvb, offset+8, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item (fcdns_tree, hf_fcdns_maxres_size, tvb, offset+10,
|
|
2, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
switch (opcode) {
|
|
case FCCT_MSG_RJT:
|
|
dissect_fcdns_rjt (tvb, fcdns_tree);
|
|
break;
|
|
case FCDNS_GA_NXT:
|
|
dissect_fcdns_ganxt (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GPN_ID:
|
|
dissect_fcdns_gpnid (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GNN_ID:
|
|
dissect_fcdns_gnnid (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GCS_ID:
|
|
dissect_fcdns_gcsid (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GFT_ID:
|
|
dissect_fcdns_gftid (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GSPN_ID:
|
|
dissect_fcdns_gspnid (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GPT_ID:
|
|
dissect_fcdns_gptid (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GFPN_ID:
|
|
dissect_fcdns_gfpnid (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GFD_ID:
|
|
dissect_fcdns_gfdid (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GFF_ID:
|
|
dissect_fcdns_gffid (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GID_PN:
|
|
dissect_fcdns_gidpn (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GIPP_PN:
|
|
dissect_fcdns_gipppn (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GID_NN:
|
|
dissect_fcdns_gidnn (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GPN_NN:
|
|
dissect_fcdns_gpnnn (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GIP_NN:
|
|
dissect_fcdns_gipnn (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GSNN_NN:
|
|
dissect_fcdns_gsnnnn (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GID_FT:
|
|
dissect_fcdns_gidft (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GPN_FT:
|
|
dissect_fcdns_gpnft (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GNN_FT:
|
|
dissect_fcdns_gnnft (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GID_PT:
|
|
dissect_fcdns_gidpt (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GID_IPP:
|
|
dissect_fcdns_gidipp (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GID_FF:
|
|
dissect_fcdns_gidff (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_RPN_ID:
|
|
dissect_fcdns_rpnid (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_RNN_ID:
|
|
dissect_fcdns_rnnid (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_RCS_ID:
|
|
dissect_fcdns_rcsid (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_RPT_ID:
|
|
dissect_fcdns_rptid (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_RFT_ID:
|
|
dissect_fcdns_rftid (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_RSPN_ID:
|
|
dissect_fcdns_rspnid (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_RIPP_ID:
|
|
dissect_fcdns_rippid (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_RFD_ID:
|
|
dissect_fcdns_rfdid (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_RFF_ID:
|
|
dissect_fcdns_rffid (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_RIP_NN:
|
|
dissect_fcdns_ripnn (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_RSNN_NN:
|
|
dissect_fcdns_rsnnnn (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_DA_ID:
|
|
dissect_fcdns_daid (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GE_ID:
|
|
dissect_fcdns_geid (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GE_PN:
|
|
dissect_fcdns_gepn (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GE_NN:
|
|
dissect_fcdns_genn (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GE_IP:
|
|
dissect_fcdns_geip (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GE_FT:
|
|
dissect_fcdns_geft (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GE_PT:
|
|
dissect_fcdns_gept (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GE_ZM:
|
|
dissect_fcdns_gezm (tvb, pinfo, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GE_ZN:
|
|
dissect_fcdns_gezn (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GE_IPP:
|
|
dissect_fcdns_geipp (tvb, fcdns_tree, isreq);
|
|
break;
|
|
case FCDNS_GE_FF:
|
|
dissect_fcdns_geff (tvb, fcdns_tree, isreq);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
/* Register the protocol with Wireshark */
|
|
|
|
void
|
|
proto_register_fcdns (void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_fcdns_opcode,
|
|
{ "Opcode", "fcdns.opcode",
|
|
FT_UINT16, BASE_HEX, VALS (fc_dns_opcode_val), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_reason,
|
|
{ "Reason Code", "fcdns.rply.reason",
|
|
FT_UINT8, BASE_HEX, VALS (fc_ct_rjt_code_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_vendor,
|
|
{ "Vendor Unique Reject Code", "fcdns.rply.vendor",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_req_portid,
|
|
{ "Port Identifier", "fcdns.req.portid",
|
|
FT_BYTES, SEP_DOT, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_rply_pname,
|
|
{ "Port Name", "fcdns.rply.pname",
|
|
FT_FCWWN, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_rply_nname,
|
|
{ "Node Name", "fcdns.rply.nname",
|
|
FT_FCWWN, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_rply_gft,
|
|
{ "FC-4 Types Supported", "fcdns.rply.gft",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_rply_snamelen,
|
|
{ "Symbolic Node Name Length", "fcdns.rply.snamelen",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_rply_sname,
|
|
{ "Symbolic Node Name", "fcdns.rply.sname",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_rply_ptype,
|
|
{ "Port Type", "fcdns.rply.porttype",
|
|
FT_UINT8, BASE_HEX, VALS (fc_dns_port_type_val), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_rply_fpname,
|
|
{ "Fabric Port Name", "fcdns.rply.fpname",
|
|
FT_FCWWN, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_fc4type,
|
|
{ "FC-4 Types", "fcdns.req.fc4types",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_rply_fc4type,
|
|
{ "FC-4 Descriptor Type", "fcdns.rply.fc4type",
|
|
FT_UINT8, BASE_HEX, VALS (fc_fc4_val), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_rply_fc4desc,
|
|
{ "FC-4 Descriptor", "fcdns.rply.fc4desc",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_req_pname,
|
|
{ "Port Name", "fcdns.req.portname",
|
|
FT_FCWWN, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_rply_portid,
|
|
{ "Port Identifier", "fcdns.rply.portid",
|
|
FT_BYTES, SEP_DOT, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_req_nname,
|
|
{ "Node Name", "fcdns.req.nname",
|
|
FT_FCWWN, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_req_domainscope,
|
|
{ "Domain ID Scope", "fcdns.req.domainid",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_req_areascope,
|
|
{ "Area ID Scope", "fcdns.req.areaid",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_req_ptype,
|
|
{ "Port Type", "fcdns.req.porttype",
|
|
FT_UINT8, BASE_HEX, VALS (fc_dns_port_type_val), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_req_cos,
|
|
{ "Requested Class of Service", "fcdns.req.class",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_req_fc4types,
|
|
{ "FC-4 Types Supported", "fcdns.req.fc4types",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_req_snamelen,
|
|
{ "Symbolic Name Length", "fcdns.req.snamelen",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_req_sname,
|
|
{ "Symbolic Port Name", "fcdns.req.sname",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_rply_spnamelen,
|
|
{ "Symbolic Port Name Length", "fcdns.rply.spnamelen",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_rply_spname,
|
|
{ "Symbolic Port Name", "fcdns.rply.spname",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_req_spnamelen,
|
|
{ "Symbolic Port Name Length", "fcdns.req.spnamelen",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_req_spname,
|
|
{ "Symbolic Port Name", "fcdns.req.spname",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_rply_ipa,
|
|
{ "Initial Process Associator", "fcdns.rply.ipa",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_rply_ipnode,
|
|
{ "Node IP Address", "fcdns.rply.ipnode",
|
|
FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_rply_ipport,
|
|
{ "Port IP Address", "fcdns.rply.ipport",
|
|
FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_rply_fc4desclen,
|
|
{ "FC-4 Descriptor Length", "fcdns.rply.fc4desclen",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_rply_hrdaddr,
|
|
{ "Hard Address", "fcdns.rply.hrdaddr",
|
|
FT_BYTES, SEP_DOT, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_req_fdesclen,
|
|
{ "FC-4 Descriptor Length", "fcdns.req.fc4desclen",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_req_fdesc,
|
|
{ "FC-4 Descriptor", "fcdns.req.fc4desc",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_req_ip,
|
|
{ "IP Address", "fcdns.req.ip",
|
|
FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_rjtdetail,
|
|
{ "Reason Code Explanation", "fcdns.rply.reasondet",
|
|
FT_UINT8, BASE_HEX, VALS (fc_dns_rjt_det_code_val), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_zone_mbrtype,
|
|
{ "Zone Member Type", "fcdns.zone.mbrtype",
|
|
FT_UINT8, BASE_HEX, VALS (fc_swils_zonembr_type_val), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_zone_mbrid,
|
|
{ "Member Identifier", "fcdns.zone.mbrid",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_zone_mbrid_wwn,
|
|
{ "Member Identifier", "fcdns.zone.mbrid.wwn",
|
|
FT_FCWWN, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_zone_mbrid_uint,
|
|
{ "Member Identifier", "fcdns.zone.mbrid.uint",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_zone_mbrid_fc,
|
|
{ "Member Identifier", "fcdns.zone.mbrid.fc",
|
|
FT_BYTES, SEP_DOT, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_id_length,
|
|
{ "Identifier Length", "fcdns.id_length",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_zone_flags,
|
|
{ "Flags", "fcdns.zone_flags",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_zonelen,
|
|
{ "Name Length", "fcdns.zone_len",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_zonenm,
|
|
{ "Zone Name", "fcdns.zonename",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_portip,
|
|
{ "Port IP Address", "fcdns.portip",
|
|
FT_IPv4, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_num_entries,
|
|
{ "Number of Entries", "fcdns.num_entries",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_sw2_objfmt,
|
|
{ "Name Entry Object Format", "fcdns.entry.objfmt",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_num_fc4desc,
|
|
{ "Number of FC4 Descriptors Registered", "fcdns.entry.numfc4desc",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_rply_ownerid,
|
|
{ "Owner Id", "fcdns.rply.ownerid",
|
|
FT_BYTES, SEP_DOT, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_maxres_size,
|
|
{ "Maximum/Residual Size", "fcdns.maxres_size",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_reply_cos,
|
|
{ "Class of Service Supported", "fcdns.reply.cos",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_cos_f,
|
|
{ "F", "fcdns.cos.f",
|
|
FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x01,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_cos_1,
|
|
{ "1", "fcdns.cos.1",
|
|
FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x02,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_cos_2,
|
|
{ "2", "fcdns.cos.2",
|
|
FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x04,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_cos_3,
|
|
{ "3", "fcdns.cos.3",
|
|
FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x08,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_cos_4,
|
|
{ "4", "fcdns.cos.4",
|
|
FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x10,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_cos_6,
|
|
{ "6", "fcdns.cos.6",
|
|
FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x40,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_fc4type_llcsnap,
|
|
{ "LLC/SNAP", "fcdns.fc4types.llc_snap",
|
|
FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x0010,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_fc4type_ip,
|
|
{ "IP", "fcdns.fc4types.ip",
|
|
FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x0020,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_fc4type_fcp,
|
|
{ "FCP", "fcdns.fc4types.fcp",
|
|
FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x0100,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_fc4type_swils,
|
|
{ "SW_ILS", "fcdns.fc4types.swils",
|
|
FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x0010,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_fc4type_snmp,
|
|
{ "SNMP", "fcdns.fc4types.snmp",
|
|
FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x0004,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_fc4type_gs3,
|
|
{ "GS3", "fcdns.fc4types.gs3",
|
|
FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x0001,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_fc4type_vi,
|
|
{ "VI", "fcdns.fc4types.vi",
|
|
FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x0001,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_fc4features,
|
|
{ "FC-4 Feature Bits", "fcdns.fc4features",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_fc4features_i,
|
|
{ "I", "fcdns.fc4features.i",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_fc4features_t,
|
|
{ "T", "fcdns.fc4features.t",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_fcdns_req_fc4type,
|
|
{ "FC-4 Type", "fcdns.req.fc4type",
|
|
FT_UINT8, BASE_HEX, VALS (fc_fc4_val), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_fcdns,
|
|
&ett_cos_flags,
|
|
&ett_fc4flags,
|
|
&ett_fc4features,
|
|
};
|
|
|
|
static ei_register_info ei[] = {
|
|
{ &ei_fcdns_no_record_of_exchange, { "fcdns.no_record_of_exchange", PI_UNDECODED, PI_WARN, "No record of Exchg. Unable to decode MSG_ACC/RJT", EXPFILL }},
|
|
{ &ei_fcdns_zone_mbrid, { "fcdns.zone.mbrid.unknown_type", PI_PROTOCOL, PI_WARN, "Unknown member type format", EXPFILL }},
|
|
};
|
|
|
|
expert_module_t* expert_fcdns;
|
|
|
|
proto_fcdns = proto_register_protocol("Fibre Channel Name Server", "FC-dNS", "fcdns");
|
|
proto_register_field_array(proto_fcdns, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
expert_fcdns = expert_register_protocol(proto_fcdns);
|
|
expert_register_field_array(expert_fcdns, ei, array_length(ei));
|
|
|
|
fcdns_req_hash = wmem_map_new_autoreset(wmem_epan_scope(), wmem_file_scope(), fcdns_hash, fcdns_equal);
|
|
|
|
dns_handle = create_dissector_handle (dissect_fcdns, proto_fcdns);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_fcdns (void)
|
|
{
|
|
dissector_add_uint("fcct.server", FCCT_GSRVR_DNS, dns_handle);
|
|
dissector_add_uint("fcct.server", FCCT_GSRVR_UNS, dns_handle);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - https://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 4
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=4 tabstop=8 expandtab:
|
|
* :indentSize=4:tabSize=8:noTabs=true:
|
|
*/
|