Add dissector for ITU-t X.696 Octet Encoding Rules (OER).

Bug: 13766
Change-Id: Id1770d8b0bab73ef26af679cba4d88c65cbc21cc
Reviewed-on: https://code.wireshark.org/review/30242
Petri-Dish: Anders Broman <a.broman58@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>

1 files changed, 119 insertions, 0 deletions

diff --git a/epan/dissectors/packet-oer.h b/epan/dissectors/packet-oer.h
new file mode 100644
index 0000000000..293e805105
--- /dev/null
+++ b/epan/dissectors/packet-oer.h
@@ -0,0 +1,119 @@
+/* packet-per.h
+ * Routines for dissection of ASN.1  OER
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef __PACKET_OER_H__
+#define __PACKET_OER_H__
+
+#include "ws_symbol_export.h"
+
+typedef int (*oer_type_fn)(tvbuff_t*, int, asn1_ctx_t*, proto_tree*, int);
+
+
+/* value for value and size constraints */
+#define NO_BOUND -1
+
+
+/* values for extensions */
+#define ASN1_NO_EXTENSIONS	0
+#define ASN1_EXTENSION_ROOT	    ASN1_EXT_ROOT
+#define ASN1_NOT_EXTENSION_ROOT	ASN1_EXT_EXT
+
+/* value for optional */
+#define ASN1_NOT_OPTIONAL	0
+#define ASN1_OPTIONAL		ASN1_OPT
+
+typedef struct _oer_choice_t {
+	gint value;
+	const int *p_id;
+	int extension;
+	oer_type_fn func;
+} oer_choice_t;
+
+typedef struct _oer_sequence_t {
+	const int *p_id;
+	int extension;
+	int optional;
+	oer_type_fn func;
+} oer_sequence_t;
+
+//WS_DLL_PUBLIC void dissect_oer_not_decoded_yet(proto_tree* tree, packet_info* pinfo, tvbuff_t *tvb, const char* reason);
+
+WS_DLL_PUBLIC guint32 dissect_oer_null(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index);
+
+//WS_DLL_PUBLIC guint32 dissect_oer_GeneralString(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index);
+
+WS_DLL_PUBLIC guint32 dissect_oer_sequence_of(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *parent_tree, int hf_index, gint ett_index, const oer_sequence_t *seq);
+
+//WS_DLL_PUBLIC guint32 dissect_oer_IA5String(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, int min_len, int max_len, gboolean has_extension);
+
+//WS_DLL_PUBLIC guint32 dissect_oer_NumericString(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, int min_len, int max_len, gboolean has_extension);
+
+//WS_DLL_PUBLIC guint32 dissect_oer_PrintableString(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, int min_len, int max_len, gboolean has_extension);
+
+//WS_DLL_PUBLIC guint32 dissect_oer_VisibleString(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, int min_len, int max_len, gboolean has_extension);
+
+//WS_DLL_PUBLIC guint32 dissect_oer_BMPString(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, int min_len, int max_len, gboolean has_extension);
+
+extern guint32 dissect_oer_UTF8String(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, int min_len, int max_len, gboolean has_extension);
+
+//extern guint32 dissect_oer_object_descriptor(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, tvbuff_t **value_tvb);
+
+WS_DLL_PUBLIC guint32 dissect_oer_constrained_sequence_of(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *parent_tree, int hf_index, gint ett_index, const oer_sequence_t *seq, int min_len, int max_len, gboolean has_extension);
+
+//WS_DLL_PUBLIC guint32 dissect_oer_constrained_set_of(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *parent_tree, int hf_index, gint ett_index, const oer_sequence_t *seq, int min_len, int max_len, gboolean has_extension);
+
+//WS_DLL_PUBLIC guint32 dissect_oer_set_of(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *parent_tree, int hf_index, gint ett_index, const oer_sequence_t *seq);
+
+//WS_DLL_PUBLIC guint32 dissect_oer_object_identifier(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, tvbuff_t **value_tvb);
+//WS_DLL_PUBLIC guint32 dissect_oer_object_identifier_str(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, const char **value_stringx);
+
+//WS_DLL_PUBLIC guint32 dissect_oer_relative_oid(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, tvbuff_t **value_tvb);
+//WS_DLL_PUBLIC guint32 dissect_oer_relative_oid_str(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, const char **value_stringx);
+
+//WS_DLL_PUBLIC guint32 dissect_oer_boolean(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, gboolean *bool_val);
+
+WS_DLL_PUBLIC guint32 dissect_oer_integer(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, gint32 *value);
+
+WS_DLL_PUBLIC guint32 dissect_oer_constrained_integer(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, guint32 min, guint32 max, guint32 *value, gboolean has_extension);
+
+WS_DLL_PUBLIC guint32 dissect_oer_constrained_integer_64b(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, guint64 min, guint64 max, guint64 *value, gboolean has_extension);
+WS_DLL_PUBLIC guint32 dissect_oer_constrained_integer_64b_no_ub(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, guint64 min, guint64 max, guint64 *value, gboolean has_extension);
+
+//WS_DLL_PUBLIC guint32 dissect_oer_real(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, double *value);
+
+WS_DLL_PUBLIC guint32 dissect_oer_choice(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, gint ett_index, const oer_choice_t *choice, gint *value);
+
+WS_DLL_PUBLIC guint32 dissect_oer_sequence(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *parent_tree, int hf_index, gint ett_index, const oer_sequence_t *sequence);
+//WS_DLL_PUBLIC guint32 dissect_oer_sequence_eag(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, const oer_sequence_t *sequence);
+
+WS_DLL_PUBLIC guint32 dissect_oer_octet_string(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, int min_len, int max_len, gboolean has_extension, tvbuff_t **value_tvb);
+//WS_DLL_PUBLIC guint32 dissect_oer_octet_string_containing_pdu_new(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, int min_len, int max_len, gboolean has_extension, dissector_t type_cb);
+
+WS_DLL_PUBLIC guint32 dissect_oer_bit_string(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, int min_len, int max_len, gboolean has_extension, tvbuff_t **value_tvb, int *len);
+//WS_DLL_PUBLIC guint32 dissect_oer_bit_string_containing_pdu_new(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, int min_len, int max_len, gboolean has_extension, dissector_t type_cb);
+
+//WS_DLL_PUBLIC guint32 dissect_oer_restricted_character_string(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, int min_len, int max_len,  gboolean has_extension, const char *alphabet, int alphabet_length, tvbuff_t **value_tvb);
+
+WS_DLL_PUBLIC guint32 dissect_oer_enumerated(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, guint32 root_num, guint32 *value, gboolean has_extension, guint32 ext_num, guint32 *value_map);
+
+//WS_DLL_PUBLIC guint32 dissect_oer_open_type(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, oer_type_fn type_cb);
+//WS_DLL_PUBLIC guint32 dissect_oer_open_type_pdu_new(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, dissector_t type_cb);
+
+//WS_DLL_PUBLIC guint32 dissect_oer_external_type(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, oer_type_fn type_cb);
+
+//extern guint32 dissect_oer_size_constrained_type(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index, oer_type_fn type_cb, const gchar *name, int min_len, int max_len, gboolean has_extension);
+///extern gboolean get_size_constraint_from_stack(asn1_ctx_t *actx, const gchar *name, int *pmin_len, int *pmax_len, gboolean *phas_extension);
+
+//extern guint32 dissect_oer_length_determinant(tvbuff_t *tvb, guint32 offset, asn1_ctx_t *actx _U_, proto_tree *tree, int hf_index, guint32 *length, gboolean *is_fragmented);
+
+//WS_DLL_PUBLIC int call_oer_oid_callback(const char *oid, tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, asn1_ctx_t *actx, int hf_index);
+//WS_DLL_PUBLIC void register_oer_oid_dissector(const char *oid, dissector_t dissector, int proto, const char *name);
+
+#endif  /* __PACKET_OER_H__ */