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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:34:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:34:10 +0000
commite4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch)
tree68cb5ef9081156392f1dd62a00c6ccc1451b93df /epan/dissectors/packet-cdt.c
parentInitial commit. (diff)
downloadwireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.tar.xz
wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.zip
Adding upstream version 4.2.2.upstream/4.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'epan/dissectors/packet-cdt.c')
-rw-r--r--epan/dissectors/packet-cdt.c396
1 files changed, 396 insertions, 0 deletions
diff --git a/epan/dissectors/packet-cdt.c b/epan/dissectors/packet-cdt.c
new file mode 100644
index 00000000..863bdd5b
--- /dev/null
+++ b/epan/dissectors/packet-cdt.c
@@ -0,0 +1,396 @@
+/* Do not modify this file. Changes will be overwritten. */
+/* Generated automatically by the ASN.1 to Wireshark dissector compiler */
+/* packet-cdt.c */
+/* asn2wrs.py -b -L -p cdt -c ./cdt.cnf -s ./packet-cdt-template -D . -O ../.. cdt.asn */
+
+/* packet-cdt.c
+ *
+ * Routines for Compressed Data Type packet dissection.
+ *
+ * Copyright 2005, Stig Bjorlykke <stig@bjorlykke.org>, Thales Norway AS
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ *
+ * Ref: STANAG 4406 Annex E
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+#include <epan/oids.h>
+#include <epan/expert.h>
+#include <epan/asn1.h>
+
+#include "packet-ber.h"
+#include "packet-p1.h"
+
+#include "packet-cdt.h"
+
+#define CDT_UNDEFINED 0
+#define CDT_EXTERNAL 1
+#define CDT_P1 2
+#define CDT_P3 3
+#define CDT_P7 4
+
+#define PNAME "Compressed Data Type"
+#define PSNAME "CDT"
+#define PFNAME "cdt"
+
+void proto_register_cdt(void);
+void proto_reg_handoff_cdt(void);
+
+static proto_tree *top_tree = NULL;
+static proto_item *cdt_item = NULL;
+
+static guint32 content_type = 0;
+
+/* Initialize the protocol and registered fields */
+static int proto_cdt = -1;
+static int hf_cdt_CompressedData_PDU = -1; /* CompressedData */
+static int hf_cdt_compressionAlgorithm = -1; /* CompressionAlgorithmIdentifier */
+static int hf_cdt_compressedContentInfo = -1; /* CompressedContentInfo */
+static int hf_cdt_algorithmID_ShortForm = -1; /* AlgorithmID_ShortForm */
+static int hf_cdt_algorithmID_OID = -1; /* OBJECT_IDENTIFIER */
+static int hf_cdt_contentType = -1; /* T_contentType */
+static int hf_cdt_contentType_ShortForm = -1; /* ContentType_ShortForm */
+static int hf_cdt_contentType_OID = -1; /* T_contentType_OID */
+static int hf_cdt_compressedContent = -1; /* CompressedContent */
+
+/* Initialize the subtree pointers */
+static gint ett_cdt_CompressedData = -1;
+static gint ett_cdt_CompressionAlgorithmIdentifier = -1;
+static gint ett_cdt_CompressedContentInfo = -1;
+static gint ett_cdt_T_contentType = -1;
+
+static expert_field ei_cdt_unable_compress_content = EI_INIT;
+static expert_field ei_cdt_unable_uncompress_content = EI_INIT;
+
+
+static const value_string cdt_AlgorithmID_ShortForm_vals[] = {
+ { 0, "zlibCompress" },
+ { 0, NULL }
+};
+
+
+static int
+dissect_cdt_AlgorithmID_ShortForm(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
+ guint32 value;
+
+ offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
+ &value);
+
+ proto_item_append_text (cdt_item, ", %s",
+ val_to_str (value, cdt_AlgorithmID_ShortForm_vals,
+ "unknown"));
+
+ col_append_fstr (actx->pinfo->cinfo, COL_INFO, "%s ",
+ val_to_str (value, cdt_AlgorithmID_ShortForm_vals,
+ "unknown"));
+
+
+ return offset;
+}
+
+
+
+static int
+dissect_cdt_OBJECT_IDENTIFIER(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
+ offset = dissect_ber_object_identifier(implicit_tag, actx, tree, tvb, offset, hf_index, NULL);
+
+ return offset;
+}
+
+
+static const value_string cdt_CompressionAlgorithmIdentifier_vals[] = {
+ { 0, "algorithmID-ShortForm" },
+ { 1, "algorithmID-OID" },
+ { 0, NULL }
+};
+
+static const ber_choice_t CompressionAlgorithmIdentifier_choice[] = {
+ { 0, &hf_cdt_algorithmID_ShortForm, BER_CLASS_CON, 0, BER_FLAGS_IMPLTAG, dissect_cdt_AlgorithmID_ShortForm },
+ { 1, &hf_cdt_algorithmID_OID , BER_CLASS_CON, 1, BER_FLAGS_IMPLTAG, dissect_cdt_OBJECT_IDENTIFIER },
+ { 0, NULL, 0, 0, 0, NULL }
+};
+
+static int
+dissect_cdt_CompressionAlgorithmIdentifier(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
+ offset = dissect_ber_choice(actx, tree, tvb, offset,
+ CompressionAlgorithmIdentifier_choice, hf_index, ett_cdt_CompressionAlgorithmIdentifier,
+ NULL);
+
+ return offset;
+}
+
+
+static const value_string cdt_ContentType_ShortForm_vals[] = {
+ { 0, "unidentified" },
+ { 1, "external" },
+ { 2, "p1" },
+ { 3, "p3" },
+ { 4, "p7" },
+ { 0, NULL }
+};
+
+
+static int
+dissect_cdt_ContentType_ShortForm(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
+
+ offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
+ &content_type);
+
+ proto_item_append_text (cdt_item, ", %s",
+ val_to_str (content_type, cdt_ContentType_ShortForm_vals,
+ "unknown"));
+
+ col_append_fstr (actx->pinfo->cinfo, COL_INFO, "%s ",
+ val_to_str (content_type, cdt_ContentType_ShortForm_vals,
+ "unknown"));
+
+
+ return offset;
+}
+
+
+
+static int
+dissect_cdt_T_contentType_OID(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
+ const char *obj_id = NULL;
+
+ offset = dissect_ber_object_identifier_str(implicit_tag, actx, tree, tvb, offset, hf_index, &obj_id);
+
+ if (obj_id) {
+ const char *name = oid_resolved_from_string (actx->pinfo->pool, obj_id);
+
+ if (!name) {
+ name = obj_id;
+ }
+
+ proto_item_append_text (cdt_item, ", %s", name);
+
+ col_append_fstr (actx->pinfo->cinfo, COL_INFO, "%s ", name);
+ }
+
+
+ return offset;
+}
+
+
+static const value_string cdt_T_contentType_vals[] = {
+ { 0, "contentType-ShortForm" },
+ { 1, "contentType-OID" },
+ { 0, NULL }
+};
+
+static const ber_choice_t T_contentType_choice[] = {
+ { 0, &hf_cdt_contentType_ShortForm, BER_CLASS_CON, 0, BER_FLAGS_IMPLTAG, dissect_cdt_ContentType_ShortForm },
+ { 1, &hf_cdt_contentType_OID , BER_CLASS_CON, 1, BER_FLAGS_IMPLTAG, dissect_cdt_T_contentType_OID },
+ { 0, NULL, 0, 0, 0, NULL }
+};
+
+static int
+dissect_cdt_T_contentType(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
+ offset = dissect_ber_choice(actx, tree, tvb, offset,
+ T_contentType_choice, hf_index, ett_cdt_T_contentType,
+ NULL);
+
+ return offset;
+}
+
+
+
+static int
+dissect_cdt_CompressedContent(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
+ tvbuff_t *next_tvb = NULL, *compr_tvb = NULL;
+ int save_offset = offset;
+
+ offset = dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index,
+ &compr_tvb);
+
+ if (compr_tvb == NULL) {
+ proto_tree_add_expert(top_tree, actx->pinfo, &ei_cdt_unable_compress_content,
+ tvb, save_offset, -1);
+ col_append_str (actx->pinfo->cinfo, COL_INFO,
+ "[Error: Unable to get compressed content]");
+ return offset;
+ }
+
+ next_tvb = tvb_child_uncompress (tvb, compr_tvb, 0, tvb_reported_length (compr_tvb));
+
+ if (next_tvb == NULL) {
+ proto_tree_add_expert(top_tree, actx->pinfo, &ei_cdt_unable_uncompress_content,
+ tvb, save_offset, -1);
+ col_append_str (actx->pinfo->cinfo, COL_INFO,
+ "[Error: Unable to uncompress content]");
+ return offset;
+ }
+
+ add_new_data_source (actx->pinfo, next_tvb, "Uncompressed Content");
+
+ switch (content_type) {
+ case CDT_UNDEFINED:
+ call_data_dissector(next_tvb, actx->pinfo, top_tree);
+ break;
+ case CDT_EXTERNAL:
+ dissect_unknown_ber (actx->pinfo, next_tvb, 0, top_tree);
+ break;
+ case CDT_P1:
+ dissect_p1_mts_apdu (next_tvb, actx->pinfo, top_tree, NULL);
+ break;
+ default:
+ call_data_dissector(next_tvb, actx->pinfo, top_tree);
+ break;
+ }
+
+
+ return offset;
+}
+
+
+static const ber_sequence_t CompressedContentInfo_sequence[] = {
+ { &hf_cdt_contentType , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_cdt_T_contentType },
+ { &hf_cdt_compressedContent, BER_CLASS_CON, 0, 0, dissect_cdt_CompressedContent },
+ { NULL, 0, 0, 0, NULL }
+};
+
+static int
+dissect_cdt_CompressedContentInfo(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
+ offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
+ CompressedContentInfo_sequence, hf_index, ett_cdt_CompressedContentInfo);
+
+ return offset;
+}
+
+
+static const ber_sequence_t CompressedData_sequence[] = {
+ { &hf_cdt_compressionAlgorithm, BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_cdt_CompressionAlgorithmIdentifier },
+ { &hf_cdt_compressedContentInfo, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_cdt_CompressedContentInfo },
+ { NULL, 0, 0, 0, NULL }
+};
+
+int
+dissect_cdt_CompressedData(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
+ content_type = 0;
+
+ offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
+ CompressedData_sequence, hf_index, ett_cdt_CompressedData);
+
+
+
+ return offset;
+}
+
+/*--- PDUs ---*/
+
+static int dissect_CompressedData_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_) {
+ int offset = 0;
+ asn1_ctx_t asn1_ctx;
+ asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
+ offset = dissect_cdt_CompressedData(FALSE, tvb, offset, &asn1_ctx, tree, hf_cdt_CompressedData_PDU);
+ return offset;
+}
+
+
+
+/*--- proto_register_cdt -------------------------------------------*/
+
+/*
+** Dissect Compressed Data Type
+*/
+void dissect_cdt (tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
+{
+ proto_tree *tree = NULL;
+
+ /* save parent_tree so subdissectors can create new top nodes */
+ top_tree = parent_tree;
+
+ if (parent_tree) {
+ cdt_item = proto_tree_add_item (parent_tree, proto_cdt, tvb, 0, -1, ENC_NA);
+ tree = proto_item_add_subtree (cdt_item, ett_cdt_CompressedData);
+ } else {
+ cdt_item = NULL;
+ }
+
+ col_set_str (pinfo->cinfo, COL_PROTOCOL, "CDT");
+ col_clear (pinfo->cinfo, COL_INFO);
+
+ dissect_CompressedData_PDU (tvb, pinfo, tree, NULL);
+}
+
+void proto_register_cdt (void) {
+
+ /* List of fields */
+ static hf_register_info hf[] = {
+ { &hf_cdt_CompressedData_PDU,
+ { "CompressedData", "cdt.CompressedData_element",
+ FT_NONE, BASE_NONE, NULL, 0,
+ NULL, HFILL }},
+ { &hf_cdt_compressionAlgorithm,
+ { "compressionAlgorithm", "cdt.compressionAlgorithm",
+ FT_UINT32, BASE_DEC, VALS(cdt_CompressionAlgorithmIdentifier_vals), 0,
+ "CompressionAlgorithmIdentifier", HFILL }},
+ { &hf_cdt_compressedContentInfo,
+ { "compressedContentInfo", "cdt.compressedContentInfo_element",
+ FT_NONE, BASE_NONE, NULL, 0,
+ NULL, HFILL }},
+ { &hf_cdt_algorithmID_ShortForm,
+ { "algorithmID-ShortForm", "cdt.algorithmID_ShortForm",
+ FT_INT32, BASE_DEC, VALS(cdt_AlgorithmID_ShortForm_vals), 0,
+ NULL, HFILL }},
+ { &hf_cdt_algorithmID_OID,
+ { "algorithmID-OID", "cdt.algorithmID_OID",
+ FT_OID, BASE_NONE, NULL, 0,
+ "OBJECT_IDENTIFIER", HFILL }},
+ { &hf_cdt_contentType,
+ { "contentType", "cdt.contentType",
+ FT_UINT32, BASE_DEC, VALS(cdt_T_contentType_vals), 0,
+ NULL, HFILL }},
+ { &hf_cdt_contentType_ShortForm,
+ { "contentType-ShortForm", "cdt.contentType_ShortForm",
+ FT_INT32, BASE_DEC, VALS(cdt_ContentType_ShortForm_vals), 0,
+ NULL, HFILL }},
+ { &hf_cdt_contentType_OID,
+ { "contentType-OID", "cdt.contentType_OID",
+ FT_OID, BASE_NONE, NULL, 0,
+ NULL, HFILL }},
+ { &hf_cdt_compressedContent,
+ { "compressedContent", "cdt.compressedContent",
+ FT_BYTES, BASE_NONE, NULL, 0,
+ NULL, HFILL }},
+ };
+
+ /* List of subtrees */
+ static gint *ett[] = {
+ &ett_cdt_CompressedData,
+ &ett_cdt_CompressionAlgorithmIdentifier,
+ &ett_cdt_CompressedContentInfo,
+ &ett_cdt_T_contentType,
+ };
+
+ static ei_register_info ei[] = {
+ { &ei_cdt_unable_compress_content, { "cdt.unable_compress_content", PI_UNDECODED, PI_ERROR, "Unable to get compressed content", EXPFILL }},
+ { &ei_cdt_unable_uncompress_content, { "cdt.unable_uncompress_content", PI_UNDECODED, PI_ERROR, "Unable to get uncompressed content", EXPFILL }},
+ };
+
+ expert_module_t* expert_cdt;
+
+ /* Register protocol */
+ proto_cdt = proto_register_protocol (PNAME, PSNAME, PFNAME);
+
+ /* Register fields and subtrees */
+ proto_register_field_array (proto_cdt, hf, array_length(hf));
+ proto_register_subtree_array (ett, array_length(ett));
+ expert_cdt = expert_register_protocol(proto_cdt);
+ expert_register_field_array(expert_cdt, ei, array_length(ei));
+}
+
+
+/*--- proto_reg_handoff_cdt ---------------------------------------*/
+void proto_reg_handoff_cdt (void) {
+ register_ber_oid_dissector("1.3.26.0.4406.0.4.2", dissect_CompressedData_PDU, proto_cdt, "cdt");
+
+}