Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 274 insertions, 0 deletions

diff --git a/epan/protobuf-helper.h b/epan/protobuf-helper.h
new file mode 100644
index 00000000..623a980d
--- /dev/null
+++ b/epan/protobuf-helper.h
@@ -0,0 +1,274 @@
+/** @file
+ *
+ * C Wrapper Layer of Protocol Buffers Language library.
+ * Copyright 2019, Huang Qiangxiong <qiangxiong.huang@qq.com>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+/* The packet-protobuf dissector needs get information from *.proto files for dissecting
+ * protobuf packet correctly. The information includes:
+ *   - The names of MESSAGE, ENUM, FIELD, ENUM_VALUE;
+ *   - The data type of FIELD which assuring the value of protobuf field of packet can be dissected correctly.
+ *
+ * At present, we use C Protocol Buffers Language Parser which generated by protobuf_lang_parser.lemon and protobuf_lang_scanner.l.
+ * Because wireshark is mainly implemented in plain ANSI C but the offical protobuf library is implemented in C++ language.
+ *
+ * One day, if C++ library is allowd, we can create a protobuf-helper.cpp file, that invoking offical protobuf C++ library directly,
+ * to replace protobuf-helper.c. The packet-protobuf.c can keep unchanged.
+ */
+
+#ifndef __PROTOBUF_HELPER_H__
+#define __PROTOBUF_HELPER_H__
+
+#include <epan/value_string.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/* Protobuf field type. Must be kept in sync with FieldType of protobuf wire_format_lite.h */
+#define protobuf_field_type_VALUE_STRING_LIST(XXX)    \
+    XXX(PROTOBUF_TYPE_NONE, 0, "") \
+    XXX(PROTOBUF_TYPE_DOUBLE, 1, "double")  \
+    XXX(PROTOBUF_TYPE_FLOAT, 2, "float")   \
+    XXX(PROTOBUF_TYPE_INT64, 3, "int64") \
+    XXX(PROTOBUF_TYPE_UINT64, 4, "uint64") \
+    XXX(PROTOBUF_TYPE_INT32, 5, "int32") \
+    XXX(PROTOBUF_TYPE_FIXED64, 6, "fixed64") \
+    XXX(PROTOBUF_TYPE_FIXED32, 7, "fixed32")  \
+    XXX(PROTOBUF_TYPE_BOOL, 8, "bool")  \
+    XXX(PROTOBUF_TYPE_STRING, 9, "string")  \
+    XXX(PROTOBUF_TYPE_GROUP, 10, "group")  \
+    XXX(PROTOBUF_TYPE_MESSAGE, 11, "message")  \
+    XXX(PROTOBUF_TYPE_BYTES, 12, "bytes")  \
+    XXX(PROTOBUF_TYPE_UINT32, 13, "uint32")  \
+    XXX(PROTOBUF_TYPE_ENUM, 14, "enum")  \
+    XXX(PROTOBUF_TYPE_SFIXED32, 15, "sfixed32")  \
+    XXX(PROTOBUF_TYPE_SFIXED64, 16, "sfixed64")  \
+    XXX(PROTOBUF_TYPE_SINT32, 17, "sint32")  \
+    XXX(PROTOBUF_TYPE_SINT64, 18, "sint64")
+
+#define PROTOBUF_MAX_FIELD_TYPE 18
+
+VALUE_STRING_ENUM(protobuf_field_type);
+VALUE_STRING_ARRAY_GLOBAL_DCL(protobuf_field_type);
+
+/* like google::protobuf::DescriptorPool of protobuf cpp library */
+typedef struct PbwDescriptorPool PbwDescriptorPool;
+/* like google::protobuf::MethodDescriptor of protobuf cpp library */
+typedef struct PbwMethodDescriptor PbwMethodDescriptor;
+/* like google::protobuf::Descriptor of protobuf cpp library */
+typedef struct PbwDescriptor PbwDescriptor;
+/* like google::protobuf::FieldDescriptor of protobuf cpp library */
+typedef struct PbwFieldDescriptor PbwFieldDescriptor;
+/* like google::protobuf::EnumDescriptor of protobuf cpp library */
+typedef struct PbwEnumDescriptor PbwEnumDescriptor;
+/* like google::protobuf::EnumValueDescriptor of protobuf cpp library */
+typedef struct PbwEnumValueDescriptor PbwEnumValueDescriptor;
+
+typedef void(*pbw_report_error_cb_t)(const char *msg_format, ...);
+
+/**
+ Reinitialize PbwDescriptorPool according to proto files directories.
+ @param pool  The output DescriptorPool will be created. If *pool is not NULL, it will free it first.
+ @param directories  The root directories containing proto files. Must end with NULL element.
+ @param error_cb The error reporter callback function. */
+void
+pbw_reinit_DescriptorPool(PbwDescriptorPool** pool, const char** directories, pbw_report_error_cb_t error_cb);
+
+/* load a proto file, return 0 if successed */
+int
+pbw_load_proto_file(PbwDescriptorPool* pool, const char* filename);
+
+/* like DescriptorPool::FindMethodByName */
+const PbwMethodDescriptor*
+pbw_DescriptorPool_FindMethodByName(const PbwDescriptorPool* pool, const char* name);
+
+/* like MethodDescriptor::name() */
+const char*
+pbw_MethodDescriptor_name(const PbwMethodDescriptor* method);
+
+/* like MethodDescriptor::full_name() */
+const char*
+pbw_MethodDescriptor_full_name(const PbwMethodDescriptor* method);
+
+/* like MethodDescriptor::input_type() */
+const PbwDescriptor*
+pbw_MethodDescriptor_input_type(const PbwMethodDescriptor* method);
+
+/* like MethodDescriptor::output_type() */
+const PbwDescriptor*
+pbw_MethodDescriptor_output_type(const PbwMethodDescriptor* method);
+
+/* like DescriptorPool::FindMessageTypeByName() */
+const PbwDescriptor*
+pbw_DescriptorPool_FindMessageTypeByName(const PbwDescriptorPool* pool, const char* name);
+
+/* like Descriptor::name() */
+const char*
+pbw_Descriptor_name(const PbwDescriptor* message);
+
+/* like Descriptor::full_name() */
+const char*
+pbw_Descriptor_full_name(const PbwDescriptor* message);
+
+/* like Descriptor::field_count() */
+int
+pbw_Descriptor_field_count(const PbwDescriptor* message);
+
+/* like Descriptor::field() */
+const PbwFieldDescriptor*
+pbw_Descriptor_field(const PbwDescriptor* message, int field_index);
+
+/* like Descriptor::FindFieldByNumber() */
+const PbwFieldDescriptor*
+pbw_Descriptor_FindFieldByNumber(const PbwDescriptor* message, int number);
+
+/* like Descriptor::FindFieldByName() */
+const PbwFieldDescriptor*
+pbw_Descriptor_FindFieldByName(const PbwDescriptor* message, const char* name);
+
+/* like FieldDescriptor::full_name() */
+const char*
+pbw_FieldDescriptor_full_name(const PbwFieldDescriptor* field);
+
+/* like FieldDescriptor::name() */
+const char*
+pbw_FieldDescriptor_name(const PbwFieldDescriptor* field);
+
+/* like FieldDescriptor::number() */
+int
+pbw_FieldDescriptor_number(const PbwFieldDescriptor* field);
+
+/* like FieldDescriptor::type() */
+int
+pbw_FieldDescriptor_type(const PbwFieldDescriptor* field);
+
+/* like FieldDescriptor::is_repeated() */
+int
+pbw_FieldDescriptor_is_repeated(const PbwFieldDescriptor* field);
+
+/* like FieldDescriptor::is_packed() */
+int
+pbw_FieldDescriptor_is_packed(const PbwFieldDescriptor* field);
+
+/* like FieldDescriptor::typeName() */
+const char*
+pbw_FieldDescriptor_typeName(int field_type);
+
+/* like FieldDescriptor::message_type() */
+const PbwDescriptor*
+pbw_FieldDescriptor_message_type(const PbwFieldDescriptor* field);
+
+/* like FieldDescriptor::enum_type() */
+const PbwEnumDescriptor*
+pbw_FieldDescriptor_enum_type(const PbwFieldDescriptor* field);
+
+/* like FieldDescriptor::is_required() */
+gboolean
+pbw_FieldDescriptor_is_required(const PbwFieldDescriptor* field);
+
+/* like FieldDescriptor::has_default_value().
+ * Does this field have an explicitly-declared default value? */
+gboolean
+pbw_FieldDescriptor_has_default_value(const PbwFieldDescriptor* field);
+
+/* like FieldDescriptor::default_value_int32() */
+gint32
+pbw_FieldDescriptor_default_value_int32(const PbwFieldDescriptor* field);
+
+/* like FieldDescriptor::default_value_int64() */
+gint64
+pbw_FieldDescriptor_default_value_int64(const PbwFieldDescriptor* field);
+
+/* like FieldDescriptor::default_value_uint32() */
+guint32
+pbw_FieldDescriptor_default_value_uint32(const PbwFieldDescriptor* field);
+
+/* like FieldDescriptor::default_value_uint64() */
+guint64
+pbw_FieldDescriptor_default_value_uint64(const PbwFieldDescriptor* field);
+
+/* like FieldDescriptor::default_value_float() */
+gfloat
+pbw_FieldDescriptor_default_value_float(const PbwFieldDescriptor* field);
+
+/* like FieldDescriptor::default_value_double() */
+gdouble
+pbw_FieldDescriptor_default_value_double(const PbwFieldDescriptor* field);
+
+/* like FieldDescriptor::default_value_bool() */
+gboolean
+pbw_FieldDescriptor_default_value_bool(const PbwFieldDescriptor* field);
+
+/* like FieldDescriptor::default_value_string() */
+const gchar*
+pbw_FieldDescriptor_default_value_string(const PbwFieldDescriptor* field, int* size);
+
+/* like FieldDescriptor::default_value_enum() */
+const PbwEnumValueDescriptor*
+pbw_FieldDescriptor_default_value_enum(const PbwFieldDescriptor* field);
+
+/* like EnumDescriptor::name() */
+const char*
+pbw_EnumDescriptor_name(const PbwEnumDescriptor* anEnum);
+
+/* like EnumDescriptor::full_name() */
+const char*
+pbw_EnumDescriptor_full_name(const PbwEnumDescriptor* anEnum);
+
+/* like EnumDescriptor::value_count() */
+int
+pbw_EnumDescriptor_value_count(const PbwEnumDescriptor* anEnum);
+
+/* like EnumDescriptor::value() */
+const PbwEnumValueDescriptor*
+pbw_EnumDescriptor_value(const PbwEnumDescriptor* anEnum, int value_index);
+
+/* like EnumDescriptor::FindValueByNumber() */
+const PbwEnumValueDescriptor*
+pbw_EnumDescriptor_FindValueByNumber(const PbwEnumDescriptor* anEnum, int number);
+
+/* like EnumDescriptor::FindValueByName() */
+const PbwEnumValueDescriptor*
+pbw_EnumDescriptor_FindValueByName(const PbwEnumDescriptor* anEnum, const gchar* name);
+
+/* like EnumValueDescriptor::name() */
+const char*
+pbw_EnumValueDescriptor_name(const PbwEnumValueDescriptor* enumValue);
+
+/* like EnumValueDescriptor::full_name() */
+const char*
+pbw_EnumValueDescriptor_full_name(const PbwEnumValueDescriptor* enumValue);
+
+/* like EnumValueDescriptor::number() */
+int
+pbw_EnumValueDescriptor_number(const PbwEnumValueDescriptor* enumValue);
+
+/* visit all messages of this pool */
+void
+pbw_foreach_message(const PbwDescriptorPool* pool, void (*cb)(const PbwDescriptor* message, void* userdata), void* userdata);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* __PROTOBUF_HELPER_H__ */
+
+/*
+ * 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:
+ */