diff options
Diffstat (limited to 'epan/dissectors/asn1/ftam/packet-ftam-template.c')
| -rw-r--r-- | epan/dissectors/asn1/ftam/packet-ftam-template.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/epan/dissectors/asn1/ftam/packet-ftam-template.c b/epan/dissectors/asn1/ftam/packet-ftam-template.c new file mode 100644 index 0000000000..7f4ed6a06c --- /dev/null +++ b/epan/dissectors/asn1/ftam/packet-ftam-template.c @@ -0,0 +1,180 @@ +/* packet-ftam_asn1.c + * Routine to dissect OSI ISO 8571 FTAM Protocol packets + * based on the ASN.1 specification from http://www.itu.int/ITU-T/asn1/database/iso/8571-4/1988/ + * + * also based on original handwritten dissector by + * Yuriy Sidelnikov <YSidelnikov@hotmail.com> + * + * Anders Broman and Ronnie Sahlberg 2005 - 2006 + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * 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. + */ + +#include "config.h" + +#include <epan/packet.h> +#include <epan/expert.h> +#include <epan/oids.h> +#include <epan/asn1.h> + +#include "packet-ber.h" +#include "packet-acse.h" +#include "packet-ftam.h" + +#define PNAME "ISO 8571 FTAM" +#define PSNAME "FTAM" +#define PFNAME "ftam" + +void proto_register_ftam(void); +void proto_reg_handoff_ftam(void); + +/* Initialize the protocol and registered fields */ +static int proto_ftam = -1; + +/* Declare the function to avoid a compiler warning */ +static int dissect_ftam_OR_Set(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index _U_); + +static int hf_ftam_unstructured_text = -1; /* ISO FTAM unstructured text */ +static int hf_ftam_unstructured_binary = -1; /* ISO FTAM unstructured binary */ +#include "packet-ftam-hf.c" + +/* Initialize the subtree pointers */ +static gint ett_ftam = -1; +#include "packet-ftam-ett.c" + +static expert_field ei_ftam_zero_pdu = EI_INIT; + +#include "packet-ftam-fn.c" + +/* +* Dissect FTAM unstructured text +*/ +static int +dissect_ftam_unstructured_text(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, void* data _U_) +{ + proto_tree_add_item (parent_tree, hf_ftam_unstructured_text, tvb, 0, tvb_reported_length_remaining(tvb, 0), ENC_ASCII|ENC_NA); + return tvb_captured_length(tvb); +} + +/* +* Dissect FTAM unstructured binary +*/ +static int +dissect_ftam_unstructured_binary(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, void* data _U_) +{ + proto_tree_add_item (parent_tree, hf_ftam_unstructured_binary, tvb, 0, tvb_reported_length_remaining(tvb, 0), ENC_NA); + return tvb_captured_length(tvb); +} + +/* +* Dissect FTAM PDUs inside a PPDU. +*/ +static int +dissect_ftam(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void* data _U_) +{ + int offset = 0; + int old_offset; + proto_item *item=NULL; + proto_tree *tree=NULL; + asn1_ctx_t asn1_ctx; + + asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo); + + if(parent_tree){ + item = proto_tree_add_item(parent_tree, proto_ftam, tvb, 0, -1, ENC_NA); + tree = proto_item_add_subtree(item, ett_ftam); + } + col_set_str(pinfo->cinfo, COL_PROTOCOL, "FTAM"); + col_clear(pinfo->cinfo, COL_INFO); + + while (tvb_reported_length_remaining(tvb, offset) > 0){ + old_offset=offset; + offset=dissect_ftam_PDU(FALSE, tvb, offset, &asn1_ctx, tree, -1); + if(offset == old_offset){ + proto_tree_add_expert(tree, pinfo, &ei_ftam_zero_pdu, tvb, offset, -1); + break; + } + } + return tvb_captured_length(tvb); +} + + +/*--- proto_register_ftam -------------------------------------------*/ +void proto_register_ftam(void) { + + /* List of fields */ + static hf_register_info hf[] = + { + { &hf_ftam_unstructured_text, + { "ISO FTAM unstructured text", "ftam.unstructured_text", FT_STRING, + BASE_NONE, NULL, 0x0, NULL, HFILL } }, + { &hf_ftam_unstructured_binary, + { "ISO FTAM unstructured binary", "ftam.unstructured_binary", FT_BYTES, + BASE_NONE, NULL, 0x0, NULL, HFILL } }, +#include "packet-ftam-hfarr.c" + }; + + /* List of subtrees */ + static gint *ett[] = { + &ett_ftam, +#include "packet-ftam-ettarr.c" + }; + static ei_register_info ei[] = { + { &ei_ftam_zero_pdu, { "ftam.zero_pdu", PI_PROTOCOL, PI_ERROR, "Internal error, zero-byte FTAM PDU", EXPFILL }}, + }; + + expert_module_t* expert_ftam; + + /* Register protocol */ + proto_ftam = proto_register_protocol(PNAME, PSNAME, PFNAME); + register_dissector("ftam", dissect_ftam, proto_ftam); + /* Register fields and subtrees */ + proto_register_field_array(proto_ftam, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + expert_ftam = expert_register_protocol(proto_ftam); + expert_register_field_array(expert_ftam, ei, array_length(ei)); + +} + + +/*--- proto_reg_handoff_ftam --- */ +void proto_reg_handoff_ftam(void) { + register_ber_oid_dissector("1.0.8571.1.1", dissect_ftam, proto_ftam,"iso-ftam(1)"); + register_ber_oid_dissector("1.0.8571.2.1", dissect_ftam, proto_ftam,"ftam-pci(1)"); + register_ber_oid_dissector("1.3.14.5.2.2", dissect_ftam, proto_ftam,"NIST file directory entry abstract syntax"); + + /* Unstructured text file document type FTAM-1 */ + register_ber_oid_dissector("1.0.8571.5.1", dissect_ftam_unstructured_text, proto_ftam,"ISO FTAM unstructured text"); + oid_add_from_string("ISO FTAM sequential text","1.0.8571.5.2"); + oid_add_from_string("FTAM unstructured text abstract syntax","1.0.8571.2.3"); + oid_add_from_string("FTAM simple-hierarchy","1.0.8571.2.5"); + oid_add_from_string("FTAM hierarchical file model","1.0.8571.3.1"); + oid_add_from_string("FTAM unstructured constraint set","1.0.8571.4.1"); + + /* Unstructured binary file document type FTAM-3 */ + register_ber_oid_dissector("1.0.8571.5.3", dissect_ftam_unstructured_binary, proto_ftam,"ISO FTAM unstructured binary"); + oid_add_from_string("FTAM unstructured binary abstract syntax","1.0.8571.2.4"); + + /* Filedirectory file document type NBS-9 */ + oid_add_from_string("NBS-9 FTAM file directory file","1.3.14.5.5.9"); + + /* Filedirectory file document type NBS-9 (WITH OLD NIST OIDs)*/ + oid_add_from_string("NBS-9-OLD FTAM file directory file","1.3.9999.1.5.9"); + oid_add_from_string("NIST file directory entry abstract syntax","1.3.9999.1.2.2"); +} |