/* packet-fc-dns.c * Routines for FC distributed Name Server (dNS) * Copyright 2001, Dinesh G Dutt * * $Id$ * * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #define NEW_PROTO_TREE_API #include "config.h" #ifdef HAVE_NETINET_IN_H # include #endif #include #include #include #include #include #include #include "packet-fc.h" #include "packet-fcct.h" #include "packet-fcdns.h" #include "packet-fcswils.h" void proto_register_fcdns(void); void proto_reg_handoff_fcdns(void); /* * See FC-GS-2. */ static dissector_handle_t dns_handle; /* protocol and registered fields */ static header_field_info *hfi_fcdns = NULL; #define FCDNS_HFI_INIT HFI_INIT(proto_fcdns) #if 0 static header_field_info hfi_fcdns_gssubtype FCDNS_HFI_INIT = {"GS_Subtype", "fcdns.gssubtype", FT_UINT8, BASE_HEX, VALS(fc_dns_subtype_val), 0x0, NULL, HFILL}; #endif static header_field_info hfi_fcdns_opcode FCDNS_HFI_INIT = {"Opcode", "fcdns.opcode", FT_UINT16, BASE_HEX, VALS (fc_dns_opcode_val), 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_reason FCDNS_HFI_INIT = {"Reason Code", "fcdns.rply.reason", FT_UINT8, BASE_HEX, VALS (fc_ct_rjt_code_vals), 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_vendor FCDNS_HFI_INIT = {"Vendor Unique Reject Code", "fcdns.rply.vendor", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_req_portid FCDNS_HFI_INIT = {"Port Identifier", "fcdns.req.portid", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_rply_pname FCDNS_HFI_INIT = {"Port Name", "fcdns.rply.pname", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_rply_nname FCDNS_HFI_INIT = {"Node Name", "fcdns.rply.nname", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_rply_gft FCDNS_HFI_INIT = {"FC-4 Types Supported", "fcdns.rply.fc4type", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_rply_snamelen FCDNS_HFI_INIT = {"Symbolic Node Name Length", "fcdns.rply.snamelen", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_rply_sname FCDNS_HFI_INIT = {"Symbolic Node Name", "fcdns.rply.sname", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_rply_ptype FCDNS_HFI_INIT = {"Port Type", "fcdns.rply.porttype", FT_UINT8, BASE_HEX, VALS (fc_dns_port_type_val), 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_rply_fpname FCDNS_HFI_INIT = {"Fabric Port Name", "fcdns.rply.fpname", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_fc4type FCDNS_HFI_INIT = {"FC-4 Types", "fcdns.req.fc4type", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_rply_fc4type FCDNS_HFI_INIT = {"FC-4 Descriptor Type", "fcdns.rply.fc4type", FT_UINT8, BASE_HEX, VALS (fc_fc4_val), 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_rply_fc4desc FCDNS_HFI_INIT = {"FC-4 Descriptor", "fcdns.rply.fc4desc", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_req_pname FCDNS_HFI_INIT = {"Port Name", "fcdns.req.portname", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_rply_portid FCDNS_HFI_INIT = {"Port Identifier", "fcdns.rply.portid", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_req_nname FCDNS_HFI_INIT = {"Node Name", "fcdns.req.nname", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_req_domainscope FCDNS_HFI_INIT = {"Domain ID Scope", "fcdns.req.domainid", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_req_areascope FCDNS_HFI_INIT = {"Area ID Scope", "fcdns.req.areaid", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_req_ptype FCDNS_HFI_INIT = {"Port Type", "fcdns.req.porttype", FT_UINT8, BASE_HEX, VALS (fc_dns_port_type_val), 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_req_cos FCDNS_HFI_INIT = {"Requested Class of Service", "fcdns.req.class", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_req_fc4types FCDNS_HFI_INIT = {"FC-4 Types Supported", "fcdns.req.fc4types", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_req_snamelen FCDNS_HFI_INIT = {"Symbolic Name Length", "fcdns.req.snamelen", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_req_sname FCDNS_HFI_INIT = {"Symbolic Port Name", "fcdns.req.sname", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_rply_spnamelen FCDNS_HFI_INIT = {"Symbolic Port Name Length", "fcdns.rply.spnamelen", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_rply_spname FCDNS_HFI_INIT = {"Symbolic Port Name", "fcdns.rply.spname", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_req_spnamelen FCDNS_HFI_INIT = {"Symbolic Port Name Length", "fcdns.req.spnamelen", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_req_spname FCDNS_HFI_INIT = {"Symbolic Port Name", "fcdns.req.spname", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_rply_ipa FCDNS_HFI_INIT = {"Initial Process Associator", "fcdns.rply.ipa", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_rply_ipnode FCDNS_HFI_INIT = {"Node IP Address", "fcdns.rply.ipnode", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_rply_ipport FCDNS_HFI_INIT = {"Port IP Address", "fcdns.rply.ipport", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_rply_fc4desclen FCDNS_HFI_INIT = {"FC-4 Descriptor Length", "fcdns.rply.fc4desclen", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_rply_hrdaddr FCDNS_HFI_INIT = {"Hard Address", "fcdns.rply.hrdaddr", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_req_fdesclen FCDNS_HFI_INIT = {"FC-4 Descriptor Length", "fcdns.req.fc4desclen", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_req_fdesc FCDNS_HFI_INIT = {"FC-4 Descriptor", "fcdns.req.fc4desc", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_req_ip FCDNS_HFI_INIT = {"IP Address", "fcdns.req.ip", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_rjtdetail FCDNS_HFI_INIT = {"Reason Code Explanantion", "fcdns.rply.reasondet", FT_UINT8, BASE_HEX, VALS (fc_dns_rjt_det_code_val), 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_zone_mbrtype FCDNS_HFI_INIT = {"Zone Member Type", "fcdns.zone.mbrtype", FT_UINT8, BASE_HEX, VALS (fc_swils_zonembr_type_val), 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_zone_mbrid FCDNS_HFI_INIT = {"Member Identifier", "fcdns.zone.mbrid", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_zonenm FCDNS_HFI_INIT = {"Zone Name", "fcdns.zonename", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_portip FCDNS_HFI_INIT = {"Port IP Address", "fcdns.portip", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_sw2_objfmt FCDNS_HFI_INIT = {"Name Entry Object Format", "fcdns.entry.objfmt", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_num_fc4desc FCDNS_HFI_INIT = {"Number of FC4 Descriptors Registered", "fcdns.entry.numfc4desc", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_rply_ownerid FCDNS_HFI_INIT = {"Owner Id", "fcdns.rply.ownerid", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_maxres_size FCDNS_HFI_INIT = {"Maximum/Residual Size", "fcdns.maxres_size", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_reply_cos FCDNS_HFI_INIT = {"Class of Service Supported", "fcdns.reply.cos", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_cos_f FCDNS_HFI_INIT = {"F", "fcdns.cos.f", FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x01, NULL, HFILL}; static header_field_info hfi_fcdns_cos_1 FCDNS_HFI_INIT = {"1", "fcdns.cos.1", FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x02, NULL, HFILL}; static header_field_info hfi_fcdns_cos_2 FCDNS_HFI_INIT = {"2", "fcdns.cos.2", FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x04, NULL, HFILL}; static header_field_info hfi_fcdns_cos_3 FCDNS_HFI_INIT = {"3", "fcdns.cos.3", FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x08, NULL, HFILL}; static header_field_info hfi_fcdns_cos_4 FCDNS_HFI_INIT = {"4", "fcdns.cos.4", FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x10, NULL, HFILL}; static header_field_info hfi_fcdns_cos_6 FCDNS_HFI_INIT = {"6", "fcdns.cos.6", FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x40, NULL, HFILL}; static header_field_info hfi_fcdns_fc4type_llcsnap FCDNS_HFI_INIT = {"LLC/SNAP", "fcdns.fc4types.llc_snap", FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x0010, NULL, HFILL}; static header_field_info hfi_fcdns_fc4type_ip FCDNS_HFI_INIT = {"IP", "fcdns.fc4types.ip", FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x0020, NULL, HFILL}; static header_field_info hfi_fcdns_fc4type_fcp FCDNS_HFI_INIT = {"FCP", "fcdns.fc4types.fcp", FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x0100, NULL, HFILL}; static header_field_info hfi_fcdns_fc4type_swils FCDNS_HFI_INIT = {"SW_ILS", "fcdns.fc4types.swils", FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x0010, NULL, HFILL}; static header_field_info hfi_fcdns_fc4type_snmp FCDNS_HFI_INIT = {"SNMP", "fcdns.fc4types.snmp", FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x0004, NULL, HFILL}; static header_field_info hfi_fcdns_fc4type_gs3 FCDNS_HFI_INIT = {"GS3", "fcdns.fc4types.gs3", FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x0001, NULL, HFILL}; static header_field_info hfi_fcdns_fc4type_vi FCDNS_HFI_INIT = {"VI", "fcdns.fc4types.vi", FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x0001, NULL, HFILL}; static header_field_info hfi_fcdns_fc4features FCDNS_HFI_INIT = {"FC-4 Feature Bits", "fcdns.fc4features", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}; static header_field_info hfi_fcdns_fc4features_i FCDNS_HFI_INIT = {"I", "fcdns.fc4features.i", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, NULL, HFILL}; static header_field_info hfi_fcdns_fc4features_t FCDNS_HFI_INIT = {"T", "fcdns.fc4features.t", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, NULL, HFILL}; static header_field_info hfi_fcdns_req_fc4type FCDNS_HFI_INIT = {"FC-4 Type", "fcdns.req.fc4type", FT_UINT8, BASE_HEX, VALS (fc_fc4_val), 0x0, NULL, HFILL}; /* Initialize the subtree pointers */ static gint ett_fcdns = -1; static gint ett_cos_flags = -1; static gint ett_fc4flags = -1; static gint ett_fc4features = -1; typedef struct _fcdns_conv_key { guint32 conv_idx; } fcdns_conv_key_t; typedef struct _fcdns_conv_data { guint32 opcode; } fcdns_conv_data_t; static GHashTable *fcdns_req_hash = NULL; /* * Hash Functions */ static gint fcdns_equal(gconstpointer v, gconstpointer w) { const fcdns_conv_key_t *v1 = (const fcdns_conv_key_t *)v; const fcdns_conv_key_t *v2 = (const fcdns_conv_key_t *)w; return (v1->conv_idx == v2->conv_idx); } static guint fcdns_hash (gconstpointer v) { const fcdns_conv_key_t *key = (const fcdns_conv_key_t *)v; guint val; val = key->conv_idx; return val; } /* * Protocol initialization */ static void fcdns_init_protocol(void) { if (fcdns_req_hash) g_hash_table_destroy(fcdns_req_hash); fcdns_req_hash = g_hash_table_new(fcdns_hash, fcdns_equal); } static void dissect_cos_flags (proto_tree *parent_tree, tvbuff_t *tvb, int offset, const header_field_info *hfinfo) { proto_item *item=NULL; proto_tree *tree=NULL; guint32 flags; flags = tvb_get_ntohl (tvb, offset); if(parent_tree){ item=proto_tree_add_uint(parent_tree, hfinfo, tvb, offset, 1, flags); tree=proto_item_add_subtree(item, ett_cos_flags); } proto_tree_add_boolean(tree, &hfi_fcdns_cos_f, tvb, offset, 4, flags); if (flags&0x01){ proto_item_append_text(item, " F"); } flags&=(~( 0x01 )); proto_tree_add_boolean(tree, &hfi_fcdns_cos_1, tvb, offset, 4, flags); if (flags&0x02){ proto_item_append_text(item, " 1"); } flags&=(~( 0x02 )); proto_tree_add_boolean(tree, &hfi_fcdns_cos_2, tvb, offset, 4, flags); if (flags&0x04){ proto_item_append_text(item, " 2"); } flags&=(~( 0x04 )); proto_tree_add_boolean(tree, &hfi_fcdns_cos_3, tvb, offset, 4, flags); if (flags&0x08){ proto_item_append_text(item, " 3"); } flags&=(~( 0x08 )); proto_tree_add_boolean(tree, &hfi_fcdns_cos_4, tvb, offset, 4, flags); if (flags&0x10){ proto_item_append_text(item, " 4"); } flags&=(~( 0x10 )); proto_tree_add_boolean(tree, &hfi_fcdns_cos_6, tvb, offset, 4, flags); if (flags&0x40){ proto_item_append_text(item, " 6"); } /*flags&=(~( 0x40 ));*/ } /* The feature routines just decode FCP's FC-4 features field * based on the flahs in offset and the type in offset+1 */ static void dissect_fc4features_and_type (proto_tree *parent_tree, tvbuff_t *tvb, int offset) { proto_item *item=NULL; proto_tree *tree=NULL; guint8 flags, type; flags = tvb_get_guint8(tvb, offset); type = tvb_get_guint8(tvb, offset+1); if(parent_tree){ item=proto_tree_add_uint(parent_tree, &hfi_fcdns_fc4features, tvb, offset, 1, flags); tree=proto_item_add_subtree(item, ett_fc4features); } if(type==FC_TYPE_SCSI){ proto_tree_add_boolean(tree, &hfi_fcdns_fc4features_i, tvb, offset, 1, flags); if (flags&0x02){ proto_item_append_text(item, " I"); } flags&=(~( 0x02 )); proto_tree_add_boolean(tree, &hfi_fcdns_fc4features_t, tvb, offset, 1, flags); if (flags&0x01){ proto_item_append_text(item, " T"); } /*flags&=(~( 0x01 ));*/ } proto_tree_add_item (tree, &hfi_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) { proto_item *item=NULL; proto_tree *tree=NULL; guint8 flags; flags = tvb_get_guint8(tvb, offset); if(parent_tree){ item=proto_tree_add_uint(parent_tree, &hfi_fcdns_fc4features, tvb, offset, 1, flags); tree=proto_item_add_subtree(item, ett_fc4features); } proto_tree_add_boolean(tree, &hfi_fcdns_fc4features_i, tvb, offset, 1, flags); if (flags&0x02){ proto_item_append_text(item, " I"); } flags&=(~( 0x02 )); proto_tree_add_boolean(tree, &hfi_fcdns_fc4features_t, tvb, offset, 1, flags); if (flags&0x01){ proto_item_append_text(item, " T"); } /*flags&=(~( 0x01 ));*/ } /* Decodes LLC/SNAP, IP, FCP, VI, GS, SW_ILS types only */ static void dissect_fc4type (proto_tree *parent_tree, tvbuff_t *tvb, int offset, header_field_info *hfinfo) { proto_item *item=NULL; proto_tree *tree=NULL; guint32 flags; if(parent_tree){ item=proto_tree_add_item(parent_tree, hfinfo, tvb, offset, 32, ENC_NA); tree=proto_item_add_subtree(item, ett_fc4flags); } flags = tvb_get_ntohl (tvb, offset); proto_tree_add_boolean(tree, &hfi_fcdns_fc4type_fcp, tvb, offset, 4, flags); if (flags&0x0100){ proto_item_append_text(item, " FCP"); } flags&=(~( 0x0100 )); proto_tree_add_boolean(tree, &hfi_fcdns_fc4type_ip, tvb, offset, 4, flags); if (flags&0x0020){ proto_item_append_text(item, " IP"); } flags&=(~( 0x0020 )); proto_tree_add_boolean(tree, &hfi_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, &hfi_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, &hfi_fcdns_fc4type_snmp, tvb, offset+4, 4, flags); if (flags&0x0004){ proto_item_append_text(item, " SNMP"); } flags&=(~( 0x0004 )); proto_tree_add_boolean(tree, &hfi_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, &hfi_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) { if (tree) { proto_tree_add_string (tree, &hfi_fcdns_req_portid, tvb, offset, 3, tvb_fc_to_str (tvb, offset)); } } 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, &hfi_fcdns_rply_ptype, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_string (req_tree, &hfi_fcdns_rply_portid, tvb, offset+1, 3, tvb_fc_to_str (tvb, offset+1)); proto_tree_add_string (req_tree, &hfi_fcdns_rply_pname, tvb, offset+4, 8, tvb_fcwwn_to_str (tvb, offset+4)); len = tvb_get_guint8 (tvb, offset+12); proto_tree_add_item (req_tree, &hfi_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, &hfi_fcdns_rply_spname, tvb, offset+13, len, ENC_ASCII|ENC_NA); } if (tvb_offset_exists (tvb, 292)) { proto_tree_add_string (req_tree, &hfi_fcdns_rply_nname, tvb, offset+268, 8, tvb_fcwwn_to_str (tvb, offset+268)); } if (tvb_offset_exists (tvb, 548)) { len = tvb_get_guint8 (tvb, offset+276); proto_tree_add_item (req_tree, &hfi_fcdns_rply_snamelen, tvb, offset+276, 1, ENC_BIG_ENDIAN); if (len) { proto_tree_add_item (req_tree, &hfi_fcdns_rply_sname, tvb, offset+277, len, ENC_ASCII|ENC_NA); } } if (tvb_offset_exists (tvb, 556)) { proto_tree_add_item (req_tree, &hfi_fcdns_rply_ipa, tvb, offset+532, 8, ENC_NA); } if (tvb_offset_exists (tvb, 572)) { proto_tree_add_item (req_tree, &hfi_fcdns_rply_ipnode, tvb, offset+540, 16, ENC_NA); } if (tvb_offset_exists (tvb, 576)) { dissect_cos_flags(req_tree, tvb, offset+556, &hfi_fcdns_reply_cos); } if (tvb_offset_exists (tvb, 608)) { dissect_fc4type(req_tree, tvb, offset+560, &hfi_fcdns_rply_gft); } if (tvb_offset_exists (tvb, 624)) { proto_tree_add_item (req_tree, &hfi_fcdns_rply_ipport, tvb, offset+592, 16, ENC_NA); } if (tvb_offset_exists (tvb, 632)) { proto_tree_add_string (req_tree, &hfi_fcdns_rply_fpname, tvb, offset+608, 8, tvb_fcwwn_to_str (tvb, offset+608)); } if (tvb_offset_exists (tvb, 635)) { proto_tree_add_string (req_tree, &hfi_fcdns_rply_hrdaddr, tvb, offset+617, 3, tvb_fc_to_str (tvb, offset+617)); } } } } 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_string (req_tree, &hfi_fcdns_rply_pname, tvb, offset, 8, tvb_fcwwn_to_str (tvb, offset)); } } } 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_string (req_tree, &hfi_fcdns_rply_nname, tvb, offset, 8, tvb_fcwwn_to_str (tvb, offset)); } } } 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, &hfi_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, &hfi_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, &hfi_fcdns_rply_spnamelen, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item (req_tree, &hfi_fcdns_rply_spname, tvb, offset+1, len, ENC_ASCII|ENC_NA); } } } 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, &hfi_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_string (req_tree, &hfi_fcdns_rply_fpname, tvb, offset, 8, tvb_fcwwn_to_str (tvb, offset)); } } } 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, &hfi_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, &hfi_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_string (req_tree, &hfi_fcdns_req_pname, tvb, offset, 8, tvb_fcwwn_to_str (tvb, offset)); } else { proto_tree_add_string (req_tree, &hfi_fcdns_rply_portid, tvb, offset+1, 3, tvb_fc_to_str (tvb, offset+1)); } } } 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_string (req_tree, &hfi_fcdns_req_pname, tvb, offset, 8, tvb_fcwwn_to_str (tvb, offset)); } else { proto_tree_add_item (req_tree, &hfi_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_string (req_tree, &hfi_fcdns_req_nname, tvb, offset, 8, tvb_fcwwn_to_str (tvb, offset)); } else { do { islast = tvb_get_guint8 (tvb, offset); proto_tree_add_string (req_tree, &hfi_fcdns_rply_portid, tvb, offset+1, 3, tvb_fc_to_str (tvb, offset+1)); 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_string (req_tree, &hfi_fcdns_req_nname, tvb, offset, 8, tvb_fcwwn_to_str (tvb, offset)); } else { proto_tree_add_item (req_tree, &hfi_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_string (req_tree, &hfi_fcdns_req_nname, tvb, offset, 8, tvb_fcwwn_to_str (tvb, offset)); } else { do { islast = tvb_get_guint8 (tvb, offset); proto_tree_add_string (req_tree, &hfi_fcdns_rply_portid, tvb, offset+1, 3, tvb_fc_to_str (tvb, offset+1)); proto_tree_add_string (req_tree, &hfi_fcdns_rply_pname, tvb, offset+8, 8, tvb_fcwwn_to_str (tvb, offset+8)); 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_string (req_tree, &hfi_fcdns_req_nname, tvb, offset, 8, tvb_fcwwn_to_str (tvb, offset)); } else { len = tvb_get_guint8 (tvb, offset); proto_tree_add_item (req_tree, &hfi_fcdns_rply_snamelen, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item (req_tree, &hfi_fcdns_rply_sname, tvb, offset+1, len, ENC_ASCII|ENC_NA); } } } 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, &hfi_fcdns_req_domainscope, tvb, offset+1, 1, ENC_BIG_ENDIAN); proto_tree_add_item (req_tree, &hfi_fcdns_req_areascope, tvb, offset+2, 1, ENC_BIG_ENDIAN); proto_tree_add_item (req_tree, &hfi_fcdns_req_fc4type, tvb, offset+3, 1, ENC_BIG_ENDIAN); } else { do { islast = tvb_get_guint8 (tvb, offset); proto_tree_add_string (req_tree, &hfi_fcdns_rply_portid, tvb, offset+1, 3, tvb_fc_to_str (tvb, offset+1)); 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, &hfi_fcdns_req_domainscope, tvb, offset+1, 1, ENC_BIG_ENDIAN); proto_tree_add_item (req_tree, &hfi_fcdns_req_areascope, tvb, offset+2, 1, ENC_BIG_ENDIAN); proto_tree_add_item (req_tree, &hfi_fcdns_req_fc4type, tvb, offset+3, 1, ENC_BIG_ENDIAN); } else { do { islast = tvb_get_guint8 (tvb, offset); proto_tree_add_string (req_tree, &hfi_fcdns_rply_portid, tvb, offset+1, 3, tvb_fc_to_str (tvb, offset+1)); proto_tree_add_string (req_tree, &hfi_fcdns_rply_pname, tvb, offset+4, 8, tvb_fcwwn_to_str (tvb, offset+8)); 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, &hfi_fcdns_req_domainscope, tvb, offset+1, 1, ENC_BIG_ENDIAN); proto_tree_add_item (req_tree, &hfi_fcdns_req_areascope, tvb, offset+2, 1, ENC_BIG_ENDIAN); proto_tree_add_item (req_tree, &hfi_fcdns_req_fc4type, tvb, offset+3, 1, ENC_BIG_ENDIAN); } else { do { islast = tvb_get_guint8 (tvb, offset); proto_tree_add_string (req_tree, &hfi_fcdns_rply_portid, tvb, offset+1, 3, tvb_fc_to_str (tvb, offset+1)); proto_tree_add_string (req_tree, &hfi_fcdns_rply_nname, tvb, offset+4, 8, tvb_fcwwn_to_str (tvb, offset+8)); 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, &hfi_fcdns_req_ptype, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item (req_tree, &hfi_fcdns_req_domainscope, tvb, offset+1, 1, ENC_BIG_ENDIAN); proto_tree_add_item (req_tree, &hfi_fcdns_req_areascope, tvb, offset+2, 1, ENC_BIG_ENDIAN); } else { do { islast = tvb_get_guint8 (tvb, offset); proto_tree_add_string (req_tree, &hfi_fcdns_rply_portid, tvb, offset+1, 3, tvb_fc_to_str (tvb, offset+1)); 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, &hfi_fcdns_req_ip, tvb, offset, 16, ENC_NA); } else { do { islast = tvb_get_guint8 (tvb, offset); proto_tree_add_string (req_tree, &hfi_fcdns_rply_portid, tvb, offset+1, 3, tvb_fc_to_str (tvb, offset+1)); 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, &hfi_fcdns_req_domainscope, tvb, offset+1, 1, ENC_BIG_ENDIAN); proto_tree_add_item (req_tree, &hfi_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_string (req_tree, &hfi_fcdns_rply_portid, tvb, offset+1, 3, tvb_fc_to_str (tvb, offset+1)); 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_string (req_tree, &hfi_fcdns_req_portid, tvb, offset+1, 3, tvb_fc_to_str (tvb, offset+1)); proto_tree_add_string (req_tree, &hfi_fcdns_req_pname, tvb, offset+4, 8, tvb_fcwwn_to_str (tvb, offset+4)); } } } 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_string (req_tree, &hfi_fcdns_req_portid, tvb, offset+1, 3, tvb_fc_to_str (tvb, offset+1)); proto_tree_add_string (req_tree, &hfi_fcdns_req_nname, tvb, offset+4, 8, tvb_fcwwn_to_str (tvb, offset+4)); } } } 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_string (req_tree, &hfi_fcdns_req_portid, tvb, offset+1, 3, tvb_fc_to_str (tvb, offset+1)); dissect_cos_flags(req_tree, tvb, offset+4, &hfi_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 (req_tree && isreq) { proto_tree_add_string (req_tree, &hfi_fcdns_req_portid, tvb, offset+1, 3, tvb_fc_to_str (tvb, offset+1)); proto_tree_add_item (req_tree, &hfi_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 (req_tree && isreq) { proto_tree_add_string (req_tree, &hfi_fcdns_req_portid, tvb, offset+1, 3, tvb_fc_to_str (tvb, offset+1)); dissect_fc4type(req_tree, tvb, offset+4, &hfi_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_string (req_tree, &hfi_fcdns_req_portid, tvb, offset+1, 3, tvb_fc_to_str (tvb, offset+1)); proto_tree_add_item (req_tree, &hfi_fcdns_req_spnamelen, tvb, offset+4, 1, ENC_BIG_ENDIAN); len = tvb_get_guint8 (tvb, offset+4); proto_tree_add_item (req_tree, &hfi_fcdns_req_spname, tvb, offset+5, len, ENC_ASCII|ENC_NA); } } static void dissect_fcdns_rippid (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq) { int offset = 16; /* past the fc_ct header */ if (req_tree && isreq) { proto_tree_add_string (req_tree, &hfi_fcdns_req_portid, tvb, offset+1, 3, tvb_fc_to_str (tvb, offset+1)); proto_tree_add_item (req_tree, &hfi_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 (req_tree && isreq) { proto_tree_add_string (req_tree, &hfi_fcdns_req_portid, tvb, offset+1, 3, tvb_fc_to_str (tvb, offset+1)); dissect_fc4type(req_tree, tvb, offset+4, &hfi_fcdns_req_fc4types); offset += 36; len = tvb_reported_length_remaining (tvb, offset); while (len > 0) { proto_tree_add_item (req_tree, &hfi_fcdns_req_fdesclen, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item (req_tree, &hfi_fcdns_req_fdesc, tvb, offset+1, len, ENC_ASCII|ENC_NA); 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 (req_tree && isreq) { proto_tree_add_string (req_tree, &hfi_fcdns_req_portid, tvb, offset+1, 3, tvb_fc_to_str (tvb, offset+1)); 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 (req_tree && isreq) { proto_tree_add_string (req_tree, &hfi_fcdns_req_nname, tvb, offset, 8, tvb_fcwwn_to_str (tvb, offset)); proto_tree_add_item (req_tree, &hfi_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 (req_tree && isreq) { proto_tree_add_string (req_tree, &hfi_fcdns_req_nname, tvb, offset, 8, tvb_fcwwn_to_str (tvb, offset)); len = tvb_get_guint8 (tvb, offset+8); proto_tree_add_item (req_tree, &hfi_fcdns_req_snamelen, tvb, offset+8, 1, ENC_BIG_ENDIAN); proto_tree_add_item (req_tree, &hfi_fcdns_req_sname, tvb, offset+9, len, ENC_ASCII|ENC_NA); } } static void dissect_fcdns_daid (tvbuff_t *tvb, proto_tree *req_tree, gboolean isreq) { int offset = 16; /* past the fc_ct header */ if (req_tree && isreq) { proto_tree_add_string (req_tree, &hfi_fcdns_req_portid, tvb, offset+1, 3, tvb_fc_to_str (tvb, offset+1)); } } static guint8 * zonenm_to_str (tvbuff_t *tvb, gint offset) { int len = tvb_get_guint8 (tvb, offset); return tvb_get_string (wmem_packet_scope(), tvb, offset+4, len); } static void dissect_fcdns_zone_mbr (tvbuff_t *tvb, proto_tree *zmbr_tree, int offset) { guint8 mbrtype; int idlen; char dpbuf[2+8+1]; char *str; mbrtype = tvb_get_guint8 (tvb, offset); proto_tree_add_uint (zmbr_tree, &hfi_fcdns_zone_mbrtype, tvb, offset, 1, mbrtype); proto_tree_add_text (zmbr_tree, tvb, offset+2, 1, "Flags: 0x%x", tvb_get_guint8 (tvb, offset+2)); idlen = tvb_get_guint8 (tvb, offset+3); proto_tree_add_text (zmbr_tree, tvb, offset+3, 1, "Identifier Length: %d", idlen); switch (mbrtype) { case FC_SWILS_ZONEMBR_WWN: proto_tree_add_string (zmbr_tree, &hfi_fcdns_zone_mbrid, tvb, offset+4, 8, tvb_fcwwn_to_str (tvb, offset+4)); break; case FC_SWILS_ZONEMBR_DP: g_snprintf(dpbuf, sizeof(dpbuf), "0x%08x", tvb_get_ntohl (tvb, offset+4)); proto_tree_add_string (zmbr_tree, &hfi_fcdns_zone_mbrid, tvb, offset+4, 4, dpbuf); break; case FC_SWILS_ZONEMBR_FCID: proto_tree_add_string (zmbr_tree, &hfi_fcdns_zone_mbrid, tvb, offset+4, 4, tvb_fc_to_str (tvb, offset+5)); break; case FC_SWILS_ZONEMBR_ALIAS: str = zonenm_to_str (tvb, offset+4); proto_tree_add_string (zmbr_tree, &hfi_fcdns_zone_mbrid, tvb, offset+4, idlen, str); break; default: proto_tree_add_string (zmbr_tree, &hfi_fcdns_zone_mbrid, tvb, offset+4, idlen, "Unknown member type format"); } } static void dissect_fcdns_swils_entries (tvbuff_t *tvb, proto_tree *tree, int offset) { int numrec, i, len; guint8 objfmt; numrec = tvb_get_ntohl (tvb, offset); if (tree) { proto_tree_add_text (tree, tvb, offset, 4, "Number of Entries: %d", numrec); offset += 4; for (i = 0; i < numrec; i++) { objfmt = tvb_get_guint8 (tvb, offset); proto_tree_add_item (tree, &hfi_fcdns_sw2_objfmt, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_string (tree, &hfi_fcdns_rply_ownerid, tvb, offset+1, 3, fc_to_str (tvb_get_string (wmem_packet_scope(), tvb, offset+1, 3))); proto_tree_add_item (tree, &hfi_fcdns_rply_ptype, tvb, offset+4, 1, ENC_BIG_ENDIAN); proto_tree_add_string (tree, &hfi_fcdns_rply_portid, tvb, offset+5, 3, tvb_fc_to_str (tvb, offset+5)); proto_tree_add_string (tree, &hfi_fcdns_rply_pname, tvb, offset+8, 8, tvb_fcwwn_to_str (tvb, offset+8)); offset += 16; if (!(objfmt & 0x1)) { len = tvb_get_guint8 (tvb, offset); proto_tree_add_item (tree, &hfi_fcdns_rply_spnamelen, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item (tree, &hfi_fcdns_rply_spname, tvb, offset+1, len, ENC_ASCII|ENC_NA); offset += 256; } proto_tree_add_string (tree, &hfi_fcdns_rply_nname, tvb, offset, 8, tvb_fcwwn_to_str (tvb, offset)); offset += 8; if (!(objfmt & 0x1)) { len = tvb_get_guint8 (tvb, offset); proto_tree_add_item (tree, &hfi_fcdns_rply_snamelen, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item (tree, &hfi_fcdns_rply_sname, tvb, offset+1, len, ENC_ASCII|ENC_NA); offset += 256; } proto_tree_add_item (tree, &hfi_fcdns_rply_ipa, tvb, offset, 8, ENC_NA); proto_tree_add_item (tree, &hfi_fcdns_rply_ipnode, tvb, offset+8, 16, ENC_NA); dissect_cos_flags(tree, tvb, offset+24, &hfi_fcdns_reply_cos); dissect_fc4type(tree, tvb, offset+28, &hfi_fcdns_rply_gft); proto_tree_add_item (tree, &hfi_fcdns_rply_ipport, tvb, offset+60, 16, ENC_NA); proto_tree_add_string (tree, &hfi_fcdns_rply_fpname, tvb, offset+76, 8, tvb_fcwwn_to_str (tvb, offset+76)); proto_tree_add_string (tree, &hfi_fcdns_rply_hrdaddr, tvb, offset+85, 3, tvb_fc_to_str (tvb, offset+85)); offset += 88; if (objfmt & 0x2) { dissect_fc4features(tree, tvb, offset); if (tvb_get_guint8 (tvb, offset+129)) { proto_tree_add_item (tree, &hfi_fcdns_rply_fc4type, tvb, offset+128, 1, ENC_BIG_ENDIAN); proto_tree_add_item (tree, &hfi_fcdns_num_fc4desc, tvb, offset+129, 1, ENC_BIG_ENDIAN); len = tvb_get_guint8 (tvb, offset+132); proto_tree_add_item (tree, &hfi_fcdns_rply_fc4desclen, tvb, offset+132, 1, ENC_BIG_ENDIAN); proto_tree_add_item (tree, &hfi_fcdns_rply_fc4desc, tvb, offset+133, len, ENC_NA); } else { proto_tree_add_item (tree, &hfi_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) { if (req_tree) { proto_tree_add_string (req_tree, &hfi_fcdns_req_portid, tvb, offset+1, 3, tvb_fc_to_str (tvb, offset+1)); } } 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) { if (req_tree) { proto_tree_add_string (req_tree, &hfi_fcdns_req_pname, tvb, offset, 8, tvb_fcwwn_to_str (tvb, offset)); } } 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) { if (req_tree) { proto_tree_add_string (req_tree, &hfi_fcdns_req_nname, tvb, offset, 8, tvb_fcwwn_to_str (tvb, offset)); } } 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, &hfi_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, &hfi_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, &hfi_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, proto_tree *req_tree, gboolean isreq) { int offset = 16; /* past the fc_ct header */ if (isreq) { if (req_tree) { dissect_fcdns_zone_mbr (tvb, 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_text (req_tree, tvb, offset, 1, "Name Length: %d", str_len); proto_tree_add_item (req_tree, &hfi_fcdns_zonenm, tvb, offset+3, str_len, ENC_ASCII|ENC_NA); } } 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, &hfi_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, &hfi_fcdns_reason, tvb, offset+13, 1, ENC_BIG_ENDIAN); proto_tree_add_item (req_tree, &hfi_fcdns_rjtdetail, tvb, offset+14, 1, ENC_BIG_ENDIAN); proto_tree_add_item (req_tree, &hfi_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, hfi_fcdns->id, tvb, 0, -1, "dNS"); fcdns_tree = proto_item_add_subtree (ti, ett_fcdns); } else { ti = proto_tree_add_protocol_format (tree, hfi_fcdns->id, 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->fd->num, &pinfo->src, &pinfo->dst, pinfo->ptype, fchdr->oxid, fchdr->rxid, NO_PORT2); if (!conversation) { conversation = conversation_new (pinfo->fd->num, &pinfo->src, &pinfo->dst, pinfo->ptype, fchdr->oxid, fchdr->rxid, NO_PORT2); } ckey.conv_idx = conversation->index; cdata = (fcdns_conv_data_t *)g_hash_table_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->index; cdata = wmem_new(wmem_file_scope(), fcdns_conv_data_t); cdata->opcode = opcode; g_hash_table_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->fd->num, &pinfo->src, &pinfo->dst, pinfo->ptype, fchdr->oxid, fchdr->rxid, NO_PORT2); 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_text (fcdns_tree, tvb, 0, -1, "No record of Exchg. Unable to decode MSG_ACC/RJT"); return 0; } } else { ckey.conv_idx = conversation->index; cdata = (fcdns_conv_data_t *)g_hash_table_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_text (fcdns_tree, tvb, 0, -1, "No record of Exchg. Unable to decode MSG_ACC/RJT"); return 0; } } } } if (tree) { proto_tree_add_item (fcdns_tree, &hfi_fcdns_opcode, tvb, offset+8, 2, ENC_BIG_ENDIAN); proto_tree_add_item (fcdns_tree, &hfi_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, 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_length(tvb); } /* Register the protocol with Wireshark */ void proto_register_fcdns (void) { #ifndef HAVE_HFI_SECTION_INIT static header_field_info *hfi[] = { /* &hfi_fcdns_gssubtype */ &hfi_fcdns_opcode, &hfi_fcdns_req_portid, &hfi_fcdns_rply_pname, &hfi_fcdns_rply_nname, &hfi_fcdns_rply_snamelen, &hfi_fcdns_rply_sname, &hfi_fcdns_rply_ptype, &hfi_fcdns_rply_fpname, &hfi_fcdns_req_pname, &hfi_fcdns_rply_portid, &hfi_fcdns_req_nname, &hfi_fcdns_req_domainscope, &hfi_fcdns_req_areascope, &hfi_fcdns_req_fc4type, &hfi_fcdns_req_ptype, &hfi_fcdns_req_ip, &hfi_fcdns_rply_fc4type, &hfi_fcdns_req_snamelen, &hfi_fcdns_req_sname, &hfi_fcdns_rply_spnamelen, &hfi_fcdns_rply_spname, &hfi_fcdns_rply_ipa, &hfi_fcdns_rply_ipnode, &hfi_fcdns_rply_ipport, &hfi_fcdns_rply_fc4desclen, &hfi_fcdns_rply_fc4desc, &hfi_fcdns_rply_hrdaddr, &hfi_fcdns_req_fdesclen, &hfi_fcdns_req_fdesc, &hfi_fcdns_req_spnamelen, &hfi_fcdns_req_spname, &hfi_fcdns_reason, &hfi_fcdns_rjtdetail, &hfi_fcdns_vendor, &hfi_fcdns_zone_mbrtype, &hfi_fcdns_zone_mbrid, &hfi_fcdns_zonenm, &hfi_fcdns_portip, &hfi_fcdns_sw2_objfmt, &hfi_fcdns_num_fc4desc, &hfi_fcdns_rply_ownerid, &hfi_fcdns_maxres_size, &hfi_fcdns_reply_cos, &hfi_fcdns_req_cos, &hfi_fcdns_cos_f, &hfi_fcdns_cos_1, &hfi_fcdns_cos_2, &hfi_fcdns_cos_3, &hfi_fcdns_cos_4, &hfi_fcdns_cos_6, &hfi_fcdns_fc4type_llcsnap, &hfi_fcdns_fc4type_ip, &hfi_fcdns_fc4type_fcp, &hfi_fcdns_fc4type_swils, &hfi_fcdns_fc4type_snmp, &hfi_fcdns_fc4type_gs3, &hfi_fcdns_fc4type_vi, &hfi_fcdns_rply_gft, &hfi_fcdns_req_fc4types, &hfi_fcdns_fc4type, &hfi_fcdns_fc4features, &hfi_fcdns_fc4features_i, &hfi_fcdns_fc4features_t, }; #endif static gint *ett[] = { &ett_fcdns, &ett_cos_flags, &ett_fc4flags, &ett_fc4features, }; int proto_fcdns; proto_fcdns = proto_register_protocol("Fibre Channel Name Server", "FC-dNS", "fcdns"); hfi_fcdns = proto_registrar_get_nth(proto_fcdns); proto_register_fields(proto_fcdns, hfi, array_length(hfi)); proto_register_subtree_array(ett, array_length(ett)); register_init_routine (&fcdns_init_protocol); dns_handle = new_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); }