diff options
Diffstat (limited to 'libraries/classparser')
| -rw-r--r-- | libraries/classparser/CMakeLists.txt | 5 | ||||
| -rw-r--r-- | libraries/classparser/include/classparser.h | 2 | ||||
| -rw-r--r-- | libraries/classparser/include/classparser_config.h | 2 | ||||
| -rw-r--r-- | libraries/classparser/src/annotations.cpp | 132 | ||||
| -rw-r--r-- | libraries/classparser/src/annotations.h | 384 | ||||
| -rw-r--r-- | libraries/classparser/src/classfile.h | 272 | ||||
| -rw-r--r-- | libraries/classparser/src/classparser.cpp | 96 | ||||
| -rw-r--r-- | libraries/classparser/src/constants.h | 399 | ||||
| -rw-r--r-- | libraries/classparser/src/javaendian.h | 44 | ||||
| -rw-r--r-- | libraries/classparser/src/membuffer.h | 94 |
10 files changed, 718 insertions, 712 deletions
diff --git a/libraries/classparser/CMakeLists.txt b/libraries/classparser/CMakeLists.txt index db266f53..3fe7591d 100644 --- a/libraries/classparser/CMakeLists.txt +++ b/libraries/classparser/CMakeLists.txt @@ -6,7 +6,7 @@ set(CMAKE_AUTOMOC ON) include(TestBigEndian) test_big_endian(BIGENDIAN) if(${BIGENDIAN}) - add_definitions(-DMULTIMC_BIG_ENDIAN) + add_definitions(-DMULTIMC_BIG_ENDIAN) endif(${BIGENDIAN}) # Find Qt @@ -38,5 +38,4 @@ add_definitions(-DCLASSPARSER_LIBRARY) add_library(MultiMC_classparser STATIC ${CLASSPARSER_SOURCES} ${CLASSPARSER_HEADERS}) target_include_directories(MultiMC_classparser PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/include") -target_link_libraries(MultiMC_classparser MultiMC_quazip) -qt5_use_modules(MultiMC_classparser Core) +target_link_libraries(MultiMC_classparser MultiMC_quazip Qt5::Core) diff --git a/libraries/classparser/include/classparser.h b/libraries/classparser/include/classparser.h index 23a65589..6c619e47 100644 --- a/libraries/classparser/include/classparser.h +++ b/libraries/classparser/include/classparser.h @@ -1,4 +1,4 @@ -/* Copyright 2013-2018 MultiMC Contributors +/* Copyright 2013-2019 MultiMC Contributors * * Authors: Orochimarufan <orochimarufan.x3@gmail.com> * diff --git a/libraries/classparser/include/classparser_config.h b/libraries/classparser/include/classparser_config.h index db8f40a3..ee053de6 100644 --- a/libraries/classparser/include/classparser_config.h +++ b/libraries/classparser/include/classparser_config.h @@ -1,4 +1,4 @@ -/* Copyright 2013-2018 MultiMC Contributors +/* Copyright 2013-2019 MultiMC Contributors * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. diff --git a/libraries/classparser/src/annotations.cpp b/libraries/classparser/src/annotations.cpp index d1a7c046..18a9e880 100644 --- a/libraries/classparser/src/annotations.cpp +++ b/libraries/classparser/src/annotations.cpp @@ -6,80 +6,80 @@ namespace java { std::string annotation::toString() { - std::ostringstream ss; - ss << "Annotation type : " << type_index << " - " << pool[type_index].str_data << std::endl; - ss << "Contains " << name_val_pairs.size() << " pairs:" << std::endl; - for (unsigned i = 0; i < name_val_pairs.size(); i++) - { - std::pair<uint16_t, element_value *> &val = name_val_pairs[i]; - auto name_idx = val.first; - ss << pool[name_idx].str_data << "(" << name_idx << ")" - << " = " << val.second->toString() << std::endl; - } - return ss.str(); + std::ostringstream ss; + ss << "Annotation type : " << type_index << " - " << pool[type_index].str_data << std::endl; + ss << "Contains " << name_val_pairs.size() << " pairs:" << std::endl; + for (unsigned i = 0; i < name_val_pairs.size(); i++) + { + std::pair<uint16_t, element_value *> &val = name_val_pairs[i]; + auto name_idx = val.first; + ss << pool[name_idx].str_data << "(" << name_idx << ")" + << " = " << val.second->toString() << std::endl; + } + return ss.str(); } annotation *annotation::read(util::membuffer &input, constant_pool &pool) { - uint16_t type_index = 0; - input.read_be(type_index); - annotation *ann = new annotation(type_index, pool); + uint16_t type_index = 0; + input.read_be(type_index); + annotation *ann = new annotation(type_index, pool); - uint16_t num_pairs = 0; - input.read_be(num_pairs); - while (num_pairs) - { - uint16_t name_idx = 0; - // read name index - input.read_be(name_idx); - auto elem = element_value::readElementValue(input, pool); - // read value - ann->add_pair(name_idx, elem); - num_pairs--; - } - return ann; + uint16_t num_pairs = 0; + input.read_be(num_pairs); + while (num_pairs) + { + uint16_t name_idx = 0; + // read name index + input.read_be(name_idx); + auto elem = element_value::readElementValue(input, pool); + // read value + ann->add_pair(name_idx, elem); + num_pairs--; + } + return ann; } element_value *element_value::readElementValue(util::membuffer &input, - java::constant_pool &pool) + java::constant_pool &pool) { - element_value_type type = INVALID; - input.read(type); - uint16_t index = 0; - uint16_t index2 = 0; - std::vector<element_value *> vals; - switch (type) - { - case PRIMITIVE_BYTE: - case PRIMITIVE_CHAR: - case PRIMITIVE_DOUBLE: - case PRIMITIVE_FLOAT: - case PRIMITIVE_INT: - case PRIMITIVE_LONG: - case PRIMITIVE_SHORT: - case PRIMITIVE_BOOLEAN: - case STRING: - input.read_be(index); - return new element_value_simple(type, index, pool); - case ENUM_CONSTANT: - input.read_be(index); - input.read_be(index2); - return new element_value_enum(type, index, index2, pool); - case CLASS: // Class - input.read_be(index); - return new element_value_class(type, index, pool); - case ANNOTATION: // Annotation - // FIXME: runtime visibility info needs to be passed from parent - return new element_value_annotation(ANNOTATION, annotation::read(input, pool), pool); - case ARRAY: // Array - input.read_be(index); - for (int i = 0; i < index; i++) - { - vals.push_back(element_value::readElementValue(input, pool)); - } - return new element_value_array(ARRAY, vals, pool); - default: - throw new java::classfile_exception(); - } + element_value_type type = INVALID; + input.read(type); + uint16_t index = 0; + uint16_t index2 = 0; + std::vector<element_value *> vals; + switch (type) + { + case PRIMITIVE_BYTE: + case PRIMITIVE_CHAR: + case PRIMITIVE_DOUBLE: + case PRIMITIVE_FLOAT: + case PRIMITIVE_INT: + case PRIMITIVE_LONG: + case PRIMITIVE_SHORT: + case PRIMITIVE_BOOLEAN: + case STRING: + input.read_be(index); + return new element_value_simple(type, index, pool); + case ENUM_CONSTANT: + input.read_be(index); + input.read_be(index2); + return new element_value_enum(type, index, index2, pool); + case CLASS: // Class + input.read_be(index); + return new element_value_class(type, index, pool); + case ANNOTATION: // Annotation + // FIXME: runtime visibility info needs to be passed from parent + return new element_value_annotation(ANNOTATION, annotation::read(input, pool), pool); + case ARRAY: // Array + input.read_be(index); + for (int i = 0; i < index; i++) + { + vals.push_back(element_value::readElementValue(input, pool)); + } + return new element_value_array(ARRAY, vals, pool); + default: + throw new java::classfile_exception(); + } } }
\ No newline at end of file diff --git a/libraries/classparser/src/annotations.h b/libraries/classparser/src/annotations.h index dd603af3..15bf05a4 100644 --- a/libraries/classparser/src/annotations.h +++ b/libraries/classparser/src/annotations.h @@ -7,21 +7,21 @@ namespace java { enum element_value_type : uint8_t { - INVALID = 0, - STRING = 's', - ENUM_CONSTANT = 'e', - CLASS = 'c', - ANNOTATION = '@', - ARRAY = '[', // one array dimension - PRIMITIVE_INT = 'I', // integer - PRIMITIVE_BYTE = 'B', // signed byte - PRIMITIVE_CHAR = 'C', // Unicode character code point in the Basic Multilingual Plane, - // encoded with UTF-16 - PRIMITIVE_DOUBLE = 'D', // double-precision floating-point value - PRIMITIVE_FLOAT = 'F', // single-precision floating-point value - PRIMITIVE_LONG = 'J', // long integer - PRIMITIVE_SHORT = 'S', // signed short - PRIMITIVE_BOOLEAN = 'Z' // true or false + INVALID = 0, + STRING = 's', + ENUM_CONSTANT = 'e', + CLASS = 'c', + ANNOTATION = '@', + ARRAY = '[', // one array dimension + PRIMITIVE_INT = 'I', // integer + PRIMITIVE_BYTE = 'B', // signed byte + PRIMITIVE_CHAR = 'C', // Unicode character code point in the Basic Multilingual Plane, + // encoded with UTF-16 + PRIMITIVE_DOUBLE = 'D', // double-precision floating-point value + PRIMITIVE_FLOAT = 'F', // single-precision floating-point value + PRIMITIVE_LONG = 'J', // long integer + PRIMITIVE_SHORT = 'S', // signed short + PRIMITIVE_BOOLEAN = 'Z' // true or false }; /** * The element_value structure is a discriminated union representing the value of an @@ -37,21 +37,21 @@ enum element_value_type : uint8_t class element_value { protected: - element_value_type type; - constant_pool &pool; + element_value_type type; + constant_pool &pool; public: - element_value(element_value_type type, constant_pool &pool) : type(type), pool(pool) {}; - virtual ~element_value() {} + element_value(element_value_type type, constant_pool &pool) : type(type), pool(pool) {}; + virtual ~element_value() {} - element_value_type getElementValueType() - { - return type; - } + element_value_type getElementValueType() + { + return type; + } - virtual std::string toString() = 0; + virtual std::string toString() = 0; - static element_value *readElementValue(util::membuffer &input, constant_pool &pool); + static element_value *readElementValue(util::membuffer &input, constant_pool &pool); }; /** @@ -62,58 +62,58 @@ public: class annotation { public: - typedef std::vector<std::pair<uint16_t, element_value *>> value_list; + typedef std::vector<std::pair<uint16_t, element_value *>> value_list; protected: - /** - * The value of the type_index item must be a valid index into the constant_pool table. - * The constant_pool entry at that index must be a CONSTANT_Utf8_info (§4.4.7) structure - * representing a field descriptor representing the annotation type corresponding - * to the annotation represented by this annotation structure. - */ - uint16_t type_index; - /** - * map between element_name_index and value. - * - * The value of the element_name_index item must be a valid index into the constant_pool - *table. - * The constant_pool entry at that index must be a CONSTANT_Utf8_info (§4.4.7) structure - *representing - * a valid field descriptor (§4.3.2) that denotes the name of the annotation type element - *represented - * by this element_value_pairs entry. - */ - value_list name_val_pairs; - /** - * Reference to the parent constant pool - */ - constant_pool &pool; + /** + * The value of the type_index item must be a valid index into the constant_pool table. + * The constant_pool entry at that index must be a CONSTANT_Utf8_info (§4.4.7) structure + * representing a field descriptor representing the annotation type corresponding + * to the annotation represented by this annotation structure. + */ + uint16_t type_index; + /** + * map between element_name_index and value. + * + * The value of the element_name_index item must be a valid index into the constant_pool + *table. + * The constant_pool entry at that index must be a CONSTANT_Utf8_info (§4.4.7) structure + *representing + * a valid field descriptor (§4.3.2) that denotes the name of the annotation type element + *represented + * by this element_value_pairs entry. + */ + value_list name_val_pairs; + /** + * Reference to the parent constant pool + */ + constant_pool &pool; public: - annotation(uint16_t type_index, constant_pool &pool) - : type_index(type_index), pool(pool) {}; - ~annotation() - { - for (unsigned i = 0; i < name_val_pairs.size(); i++) - { - delete name_val_pairs[i].second; - } - } - void add_pair(uint16_t key, element_value *value) - { - name_val_pairs.push_back(std::make_pair(key, value)); - } - ; - value_list::const_iterator begin() - { - return name_val_pairs.cbegin(); - } - value_list::const_iterator end() - { - return name_val_pairs.cend(); - } - std::string toString(); - static annotation *read(util::membuffer &input, constant_pool &pool); + annotation(uint16_t type_index, constant_pool &pool) + : type_index(type_index), pool(pool) {}; + ~annotation() + { + for (unsigned i = 0; i < name_val_pairs.size(); i++) + { + delete name_val_pairs[i].second; + } + } + void add_pair(uint16_t key, element_value *value) + { + name_val_pairs.push_back(std::make_pair(key, value)); + } + ; + value_list::const_iterator begin() + { + return name_val_pairs.cbegin(); + } + value_list::const_iterator end() + { + return name_val_pairs.cend(); + } + std::string toString(); + static annotation *read(util::membuffer &input, constant_pool &pool); }; typedef std::vector<annotation *> annotation_table; @@ -121,158 +121,158 @@ typedef std::vector<annotation *> annotation_table; class element_value_simple : public element_value { protected: - /// index of the constant in the constant pool - uint16_t index; + /// index of the constant in the constant pool + uint16_t index; public: - element_value_simple(element_value_type type, uint16_t index, constant_pool &pool) - : element_value(type, pool), index(index) { - // TODO: verify consistency - }; - uint16_t getIndex() - { - return index; - } - virtual std::string toString() - { - return pool[index].toString(); - } - ; + element_value_simple(element_value_type type, uint16_t index, constant_pool &pool) + : element_value(type, pool), index(index) { + // TODO: verify consistency + }; + uint16_t getIndex() + { + return index; + } + virtual std::string toString() + { + return pool[index].toString(); + } + ; }; /// The enum_const_value item is used if the tag item is 'e'. class element_value_enum : public element_value { protected: - /** - * The value of the type_name_index item must be a valid index into the constant_pool table. - * The constant_pool entry at that index must be a CONSTANT_Utf8_info (§4.4.7) structure - * representing a valid field descriptor (§4.3.2) that denotes the internal form of the - * binary - * name (§4.2.1) of the type of the enum constant represented by this element_value - * structure. - */ - uint16_t typeIndex; - /** - * The value of the const_name_index item must be a valid index into the constant_pool - * table. - * The constant_pool entry at that index must be a CONSTANT_Utf8_info (§4.4.7) structure - * representing the simple name of the enum constant represented by this element_value - * structure. - */ - uint16_t valueIndex; + /** + * The value of the type_name_index item must be a valid index into the constant_pool table. + * The constant_pool entry at that index must be a CONSTANT_Utf8_info (§4.4.7) structure + * representing a valid field descriptor (§4.3.2) that denotes the internal form of the + * binary + * name (§4.2.1) of the type of the enum constant represented by this element_value + * structure. + */ + uint16_t typeIndex; + /** + * The value of the const_name_index item must be a valid index into the constant_pool + * table. + * The constant_pool entry at that index must be a CONSTANT_Utf8_info (§4.4.7) structure + * representing the simple name of the enum constant represented by this element_value + * structure. + */ + uint16_t valueIndex; public: - element_value_enum(element_value_type type, uint16_t typeIndex, uint16_t valueIndex, - constant_pool &pool) - : element_value(type, pool), typeIndex(typeIndex), valueIndex(valueIndex) - { - // TODO: verify consistency - } - uint16_t getValueIndex() - { - return valueIndex; - } - uint16_t getTypeIndex() - { - return typeIndex; - } - virtual std::string toString() - { - return "enum value"; - } - ; + element_value_enum(element_value_type type, uint16_t typeIndex, uint16_t valueIndex, + constant_pool &pool) + : element_value(type, pool), typeIndex(typeIndex), valueIndex(valueIndex) + { + // TODO: verify consistency + } + uint16_t getValueIndex() + { + return valueIndex; + } + uint16_t getTypeIndex() + { + return typeIndex; + } + virtual std::string toString() + { + return "enum value"; + } + ; }; class element_value_class : public element_value { protected: - /** - * The class_info_index item must be a valid index into the constant_pool table. - * The constant_pool entry at that index must be a CONSTANT_Utf8_info (§4.4.7) structure - * representing the return descriptor (§4.3.3) of the type that is reified by the class - * represented by this element_value structure. - * - * For example, 'V' for Void.class, 'Ljava/lang/Object;' for Object, etc. - * - * Or in plain english, you can store type information in annotations. Yay. - */ - uint16_t classIndex; + /** + * The class_info_index item must be a valid index into the constant_pool table. + * The constant_pool entry at that index must be a CONSTANT_Utf8_info (§4.4.7) structure + * representing the return descriptor (§4.3.3) of the type that is reified by the class + * represented by this element_value structure. + * + * For example, 'V' for Void.class, 'Ljava/lang/Object;' for Object, etc. + * + * Or in plain english, you can store type information in annotations. Yay. + */ + uint16_t classIndex; public: - element_value_class(element_value_type type, uint16_t classIndex, constant_pool &pool) - : element_value(type, pool), classIndex(classIndex) - { - // TODO: verify consistency - } - uint16_t getIndex() - { - return classIndex; - } - virtual std::string toString() - { - return "class"; - } - ; + element_value_class(element_value_type type, uint16_t classIndex, constant_pool &pool) + : element_value(type, pool), classIndex(classIndex) + { + // TODO: verify consistency + } + uint16_t getIndex() + { + return classIndex; + } + virtual std::string toString() + { + return "class"; + } + ; }; /// nested annotations... yay class element_value_annotation : public element_value { private: - annotation *nestedAnnotation; + annotation *nestedAnnotation; public: - element_value_annotation(element_value_type type, annotation *nestedAnnotation, - constant_pool &pool) - : element_value(type, pool), nestedAnnotation(nestedAnnotation) {}; - ~element_value_annotation() - { - if (nestedAnnotation) - { - delete nestedAnnotation; - nestedAnnotation = nullptr; - } - } - virtual std::string toString() - { - return "nested annotation"; - } - ; + element_value_annotation(element_value_type type, annotation *nestedAnnotation, + constant_pool &pool) + : element_value(type, pool), nestedAnnotation(nestedAnnotation) {}; + ~element_value_annotation() + { + if (nestedAnnotation) + { + delete nestedAnnotation; + nestedAnnotation = nullptr; + } + } + virtual std::string toString() + { + return "nested annotation"; + } + ; }; /// and arrays! class element_value_array : public element_value { public: - typedef std::vector<element_value *> elem_vec; + typedef std::vector<element_value *> elem_vec; protected: - elem_vec values; + elem_vec values; public: - element_value_array(element_value_type type, std::vector<element_value *> &values, - constant_pool &pool) - : element_value(type, pool), values(values) {}; - ~element_value_array() - { - for (unsigned i = 0; i < values.size(); i++) - { - delete values[i]; - } - } - ; - elem_vec::const_iterator begin() - { - return values.cbegin(); - } - elem_vec::const_iterator end() - { - return values.cend(); - } - virtual std::string toString() - { - return "array"; - } - ; + element_value_array(element_value_type type, std::vector<element_value *> &values, + constant_pool &pool) + : element_value(type, pool), values(values) {}; + ~element_value_array() + { + for (unsigned i = 0; i < values.size(); i++) + { + delete values[i]; + } + } + ; + elem_vec::const_iterator begin() + { + return values.cbegin(); + } + elem_vec::const_iterator end() + { + return values.cend(); + } + virtual std::string toString() + { + return "array"; + } + ; }; }
\ No newline at end of file diff --git a/libraries/classparser/src/classfile.h b/libraries/classparser/src/classfile.h index a5e7ee50..1616a828 100644 --- a/libraries/classparser/src/classfile.h +++ b/libraries/classparser/src/classfile.h @@ -11,146 +11,146 @@ namespace java class classfile : public util::membuffer { public: - classfile(char *data, std::size_t size) : membuffer(data, size) - { - valid = false; - is_synthetic = false; - read_be(magic); - if (magic != 0xCAFEBABE) - throw new classfile_exception(); - read_be(minor_version); - read_be(major_version); - constants.load(*this); - read_be(access_flags); - read_be(this_class); - read_be(super_class); + classfile(char *data, std::size_t size) : membuffer(data, size) + { + valid = false; + is_synthetic = false; + read_be(magic); + if (magic != 0xCAFEBABE) + throw new classfile_exception(); + read_be(minor_version); + read_be(major_version); + constants.load(*this); + read_be(access_flags); + read_be(this_class); + read_be(super_class); - // Interfaces - uint16_t iface_count = 0; - read_be(iface_count); - while (iface_count) - { - uint16_t iface; - read_be(iface); - interfaces.push_back(iface); - iface_count--; - } + // Interfaces + uint16_t iface_count = 0; + read_be(iface_count); + while (iface_count) + { + uint16_t iface; + read_be(iface); + interfaces.push_back(iface); + iface_count--; + } - // Fields - // read fields (and attributes from inside fields) (and possible inner classes. yay for - // recursion!) - // for now though, we will ignore all attributes - /* - * field_info - * { - * u2 access_flags; - * u2 name_index; - * u2 descriptor_index; - * u2 attributes_count; - * attribute_info attributes[attributes_count]; - * } - */ - uint16_t field_count = 0; - read_be(field_count); - while (field_count) - { - // skip field stuff - skip(6); - // and skip field attributes - uint16_t attr_count = 0; - read_be(attr_count); - while (attr_count) - { - skip(2); - uint32_t attr_length = 0; - read_be(attr_length); - skip(attr_length); - attr_count--; - } - field_count--; - } + // Fields + // read fields (and attributes from inside fields) (and possible inner classes. yay for + // recursion!) + // for now though, we will ignore all attributes + /* + * field_info + * { + * u2 access_flags; + * u2 name_index; + * u2 descriptor_index; + * u2 attributes_count; + * attribute_info attributes[attributes_count]; + * } + */ + uint16_t field_count = 0; + read_be(field_count); + while (field_count) + { + // skip field stuff + skip(6); + // and skip field attributes + uint16_t attr_count = 0; + read_be(attr_count); + while (attr_count) + { + skip(2); + uint32_t attr_length = 0; + read_be(attr_length); + skip(attr_length); + attr_count--; + } + field_count--; + } - // class methods - /* - * method_info - * { - * u2 access_flags; - * u2 name_index; - * u2 descriptor_index; - * u2 attributes_count; - * attribute_info attributes[attributes_count]; - * } - */ - uint16_t method_count = 0; - read_be(method_count); - while (method_count) - { - skip(6); - // and skip method attributes - uint16_t attr_count = 0; - read_be(attr_count); - while (attr_count) - { - skip(2); - uint32_t attr_length = 0; - read_be(attr_length); - skip(attr_length); - attr_count--; - } - method_count--; - } + // class methods + /* + * method_info + * { + * u2 access_flags; + * u2 name_index; + * u2 descriptor_index; + * u2 attributes_count; + * attribute_info attributes[attributes_count]; + * } + */ + uint16_t method_count = 0; + read_be(method_count); + while (method_count) + { + skip(6); + // and skip method attributes + uint16_t attr_count = 0; + read_be(attr_count); + while (attr_count) + { + skip(2); + uint32_t attr_length = 0; + read_be(attr_length); + skip(attr_length); + attr_count--; + } + method_count--; + } - // class attributes - // there are many kinds of attributes. this is just the generic wrapper structure. - // type is decided by attribute name. extensions to the standard are *possible* - // class annotations are one kind of a attribute (one per class) - /* - * attribute_info - * { - * u2 attribute_name_index; - * u4 attribute_length; - * u1 info[attribute_length]; - * } - */ - uint16_t class_attr_count = 0; - read_be(class_attr_count); - while (class_attr_count) - { - uint16_t name_idx = 0; - read_be(name_idx); - uint32_t attr_length = 0; - read_be(attr_length); + // class attributes + // there are many kinds of attributes. this is just the generic wrapper structure. + // type is decided by attribute name. extensions to the standard are *possible* + // class annotations are one kind of a attribute (one per class) + /* + * attribute_info + * { + * u2 attribute_name_index; + * u4 attribute_length; + * u1 info[attribute_length]; + * } + */ + uint16_t class_attr_count = 0; + read_be(class_attr_count); + while (class_attr_count) + { + uint16_t name_idx = 0; + read_be(name_idx); + uint32_t attr_length = 0; + read_be(attr_length); - auto name = constants[name_idx]; - if (name.str_data == "RuntimeVisibleAnnotations") - { - uint16_t num_annotations = 0; - read_be(num_annotations); - while (num_annotations) - { - visible_class_annotations.push_back(annotation::read(*this, constants)); - num_annotations--; - } - } - else - skip(attr_length); - class_attr_count--; - } - valid = true; - } - ; - bool valid; - bool is_synthetic; - uint32_t magic; - uint16_t minor_version; - uint16_t major_version; - constant_pool constants; - uint16_t access_flags; - uint16_t this_class; - uint16_t super_class; - // interfaces this class implements ? must be. investigate. - std::vector<uint16_t> interfaces; - // FIXME: doesn't free up memory on delete - java::annotation_table visible_class_annotations; + auto name = constants[name_idx]; + if (name.str_data == "RuntimeVisibleAnnotations") + { + uint16_t num_annotations = 0; + read_be(num_annotations); + while (num_annotations) + { + visible_class_annotations.push_back(annotation::read(*this, constants)); + num_annotations--; + } + } + else + skip(attr_length); + class_attr_count--; + } + valid = true; + } + ; + bool valid; + bool is_synthetic; + uint32_t magic; + uint16_t minor_version; + uint16_t major_version; + constant_pool constants; + uint16_t access_flags; + uint16_t this_class; + uint16_t super_class; + // interfaces this class implements ? must be. investigate. + std::vector<uint16_t> interfaces; + // FIXME: doesn't free up memory on delete + java::annotation_table visible_class_annotations; }; }
\ No newline at end of file diff --git a/libraries/classparser/src/classparser.cpp b/libraries/classparser/src/classparser.cpp index 8837781f..e0b6728d 100644 --- a/libraries/classparser/src/classparser.cpp +++ b/libraries/classparser/src/classparser.cpp @@ -1,4 +1,4 @@ -/* Copyright 2013-2018 MultiMC Contributors +/* Copyright 2013-2019 MultiMC Contributors * * Authors: Orochimarufan <orochimarufan.x3@gmail.com> * @@ -26,60 +26,58 @@ namespace classparser QString GetMinecraftJarVersion(QString jarName) { - QString version; + QString version; - // check if minecraft.jar exists - QFile jar(jarName); - if (!jar.exists()) - return version; + // check if minecraft.jar exists + QFile jar(jarName); + if (!jar.exists()) + return version; - // open minecraft.jar - QuaZip zip(&jar); - if (!zip.open(QuaZip::mdUnzip)) - return version; + // open minecraft.jar + QuaZip zip(&jar); + if (!zip.open(QuaZip::mdUnzip)) + return version; - // open Minecraft.class - zip.setCurrentFile("net/minecraft/client/Minecraft.class", QuaZip::csSensitive); - QuaZipFile Minecraft(&zip); - if (!Minecraft.open(QuaZipFile::ReadOnly)) - return version; + // open Minecraft.class + zip.setCurrentFile("net/minecraft/client/Minecraft.class", QuaZip::csSensitive); + QuaZipFile Minecraft(&zip); + if (!Minecraft.open(QuaZipFile::ReadOnly)) + return version; - // read Minecraft.class - qint64 size = Minecraft.size(); - char *classfile = new char[size]; - Minecraft.read(classfile, size); + // read Minecraft.class + qint64 size = Minecraft.size(); + char *classfile = new char[size]; + Minecraft.read(classfile, size); - // parse Minecraft.class - try - { - char *temp = classfile; - java::classfile MinecraftClass(temp, size); - java::constant_pool constants = MinecraftClass.constants; - for (java::constant_pool::container_type::const_iterator iter = constants.begin(); - iter != constants.end(); iter++) - { - const java::constant &constant = *iter; - if (constant.type != java::constant::j_string_data) - continue; - const std::string &str = constant.str_data; - qDebug() << QString::fromStdString(str); - if (str.compare(0, 20, "Minecraft Minecraft ") == 0) - { - version = str.substr(20).data(); - break; - } - } - } - catch (java::classfile_exception &) - { - } + // parse Minecraft.class + try + { + char *temp = classfile; + java::classfile MinecraftClass(temp, size); + java::constant_pool constants = MinecraftClass.constants; + for (java::constant_pool::container_type::const_iterator iter = constants.begin(); + iter != constants.end(); iter++) + { + const java::constant &constant = *iter; + if (constant.type != java::constant_type_t::j_string_data) + continue; + const std::string &str = constant.str_data; + qDebug() << QString::fromStdString(str); + if (str.compare(0, 20, "Minecraft Minecraft ") == 0) + { + version = str.substr(20).data(); + break; + } + } + } + catch (const java::classfile_exception &) { } - // clean up - delete[] classfile; - Minecraft.close(); - zip.close(); - jar.close(); + // clean up + delete[] classfile; + Minecraft.close(); + zip.close(); + jar.close(); - return version; + return version; } } diff --git a/libraries/classparser/src/constants.h b/libraries/classparser/src/constants.h index 9c74ab20..3b6c3b7a 100644 --- a/libraries/classparser/src/constants.h +++ b/libraries/classparser/src/constants.h @@ -4,152 +4,161 @@ namespace java { +enum class constant_type_t : uint8_t +{ + j_hole = 0, // HACK: this is a hole in the array, because java is crazy + j_string_data = 1, + j_int = 3, + j_float = 4, + j_long = 5, + j_double = 6, + j_class = 7, + j_string = 8, + j_fieldref = 9, + j_methodref = 10, + j_interface_methodref = 11, + j_nameandtype = 12 + // FIXME: missing some constant types, see https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-4.html#jvms-4.4 +}; + +struct ref_type_t +{ + /** + * Class reference: + * an index within the constant pool to a UTF-8 string containing + * the fully qualified class name (in internal format) + * Used for j_class, j_fieldref, j_methodref and j_interface_methodref + */ + uint16_t class_idx; + // used for j_fieldref, j_methodref and j_interface_methodref + uint16_t name_and_type_idx; +}; + +struct name_and_type_t +{ + uint16_t name_index; + uint16_t descriptor_index; +}; + class constant { public: - enum type_t : uint8_t - { - j_hole = 0, // HACK: this is a hole in the array, because java is crazy - j_string_data = 1, - j_int = 3, - j_float = 4, - j_long = 5, - j_double = 6, - j_class = 7, - j_string = 8, - j_fieldref = 9, - j_methodref = 10, - j_interface_methodref = 11, - j_nameandtype = 12 - // FIXME: missing some constant types, see https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-4.html#jvms-4.4 - } type; + constant_type_t type = constant_type_t::j_hole; - constant(util::membuffer &buf) - { - buf.read(type); + constant(util::membuffer &buf) + { + buf.read(type); - // load data depending on type - switch (type) - { - case j_float: - case j_int: - buf.read_be(int_data); // same as float data really - break; - case j_double: - case j_long: - buf.read_be(long_data); // same as double - break; - case j_class: - buf.read_be(ref_type.class_idx); - break; - case j_fieldref: - case j_methodref: - case j_interface_methodref: - buf.read_be(ref_type.class_idx); - buf.read_be(ref_type.name_and_type_idx); - break; - case j_string: - buf.read_be(index); - break; - case j_string_data: - // HACK HACK: for now, we call these UTF-8 and do no further processing. - // Later, we should do some decoding. It's really modified UTF-8 - // * U+0000 is represented as 0xC0,0x80 invalid character - // * any single zero byte ends the string - // * characters above U+10000 are encoded like in CESU-8 - buf.read_jstr(str_data); - break; - case j_nameandtype: - buf.read_be(name_and_type.name_index); - buf.read_be(name_and_type.descriptor_index); - break; - default: - // invalid constant type! - throw new classfile_exception(); - } - } + // load data depending on type + switch (type) + { + case constant_type_t::j_float: + buf.read_be(data.int_data); + break; + case constant_type_t::j_int: + buf.read_be(data.int_data); // same as float data really + break; + case constant_type_t::j_double: + buf.read_be(data.long_data); + break; + case constant_type_t::j_long: + buf.read_be(data.long_data); // same as double + break; + case constant_type_t::j_class: + buf.read_be(data.ref_type.class_idx); + break; + case constant_type_t::j_fieldref: + case constant_type_t::j_methodref: + case constant_type_t::j_interface_methodref: + buf.read_be(data.ref_type.class_idx); + buf.read_be(data.ref_type.name_and_type_idx); + break; + case constant_type_t::j_string: + buf.read_be(data.index); + break; + case constant_type_t::j_string_data: + // HACK HACK: for now, we call these UTF-8 and do no further processing. + // Later, we should do some decoding. It's really modified UTF-8 + // * U+0000 is represented as 0xC0,0x80 invalid character + // * any single zero byte ends the string + // * characters above U+10000 are encoded like in CESU-8 + buf.read_jstr(str_data); + break; + case constant_type_t::j_nameandtype: + buf.read_be(data.name_and_type.name_index); + buf.read_be(data.name_and_type.descriptor_index); + break; + default: + // invalid constant type! + throw new classfile_exception(); + } + } + constant(int) + { + } - constant(int) - { - type = j_hole; - } + std::string toString() + { + std::ostringstream ss; + switch (type) + { + case constant_type_t::j_hole: + ss << "Fake legacy entry"; + break; + case constant_type_t::j_float: + ss << "Float: " << data.float_data; + break; + case constant_type_t::j_double: + ss << "Double: " << data.double_data; + break; + case constant_type_t::j_int: + ss << "Int: " << data.int_data; + break; + case constant_type_t::j_long: + ss << "Long: " << data.long_data; + break; + case constant_type_t::j_string_data: + ss << "StrData: " << str_data; + break; + case constant_type_t::j_string: + ss << "Str: " << data.index; + break; + case constant_type_t::j_fieldref: + ss << "FieldRef: " << data.ref_type.class_idx << " " << data.ref_type.name_and_type_idx; + break; + case constant_type_t::j_methodref: + ss << "MethodRef: " << data.ref_type.class_idx << " " << data.ref_type.name_and_type_idx; + break; + case constant_type_t::j_interface_methodref: + ss << "IfMethodRef: " << data.ref_type.class_idx << " " << data.ref_type.name_and_type_idx; + break; + case constant_type_t::j_class: + ss << "Class: " << data.ref_type.class_idx; + break; + case constant_type_t::j_nameandtype: + ss << "NameAndType: " << data.name_and_type.name_index << " " + << data.name_and_type.descriptor_index; + break; + default: + ss << "Invalid entry (" << int(type) << ")"; + break; + } + return ss.str(); + } - std::string toString() - { - std::ostringstream ss; - switch (type) - { - case j_hole: - ss << "Fake legacy entry"; - break; - case j_float: - ss << "Float: " << float_data; - break; - case j_double: - ss << "Double: " << double_data; - break; - case j_int: - ss << "Int: " << int_data; - break; - case j_long: - ss << "Long: " << long_data; - break; - case j_string_data: - ss << "StrData: " << str_data; - break; - case j_string: - ss << "Str: " << index; - break; - case j_fieldref: - ss << "FieldRef: " << ref_type.class_idx << " " << ref_type.name_and_type_idx; - break; - case j_methodref: - ss << "MethodRef: " << ref_type.class_idx << " " << ref_type.name_and_type_idx; - break; - case j_interface_methodref: - ss << "IfMethodRef: " << ref_type.class_idx << " " << ref_type.name_and_type_idx; - break; - case j_class: - ss << "Class: " << ref_type.class_idx; - break; - case j_nameandtype: - ss << "NameAndType: " << name_and_type.name_index << " " - << name_and_type.descriptor_index; - break; - default: - ss << "Invalid entry (" << int(type) << ")"; - break; - } - return ss.str(); - } + std::string str_data; /** String data in 'modified utf-8'.*/ - std::string str_data; /** String data in 'modified utf-8'.*/ - // store everything here. - union - { - int32_t int_data; - int64_t long_data; - float float_data; - double double_data; - uint16_t index; - struct - { - /** - * Class reference: - * an index within the constant pool to a UTF-8 string containing - * the fully qualified class name (in internal format) - * Used for j_class, j_fieldref, j_methodref and j_interface_methodref - */ - uint16_t class_idx; - // used for j_fieldref, j_methodref and j_interface_methodref - uint16_t name_and_type_idx; - } ref_type; - struct - { - uint16_t name_index; - uint16_t descriptor_index; - } name_and_type; - }; + // store everything here. + union + { + int32_t int_data; + int64_t long_data; + float float_data; + double double_data; + uint16_t index; + ref_type_t ref_type; + name_and_type_t name_and_type; + } data = {0}; }; /** @@ -159,64 +168,64 @@ public: class constant_pool { public: - /** - * Create a pool of constants - */ - constant_pool() - { - } - /** - * Load a java constant pool - */ - void load(util::membuffer &buf) - { - // FIXME: @SANITY this should check for the end of buffer. - uint16_t length = 0; - buf.read_be(length); - length--; - const constant *last_constant = nullptr; - while (length) - { - const constant &cnst = constant(buf); - constants.push_back(cnst); - last_constant = &constants[constants.size() - 1]; - if (last_constant->type == constant::j_double || - last_constant->type == constant::j_long) - { - // push in a fake constant to preserve indexing - constants.push_back(constant(0)); - length -= 2; - } - else - { - length--; - } - } - } - typedef std::vector<java::constant> container_type; - /** - * Access constants based on jar file index numbers (index of the first element is 1) - */ - java::constant &operator[](std::size_t constant_index) - { - if (constant_index == 0 || constant_index > constants.size()) - { - throw new classfile_exception(); - } - return constants[constant_index - 1]; - } - ; - container_type::const_iterator begin() const - { - return constants.begin(); - } - ; - container_type::const_iterator end() const - { - return constants.end(); - } + /** + * Create a pool of constants + */ + constant_pool() + { + } + /** + * Load a java constant pool + */ + void load(util::membuffer &buf) + { + // FIXME: @SANITY this should check for the end of buffer. + uint16_t length = 0; + buf.read_be(length); + length--; + const constant *last_constant = nullptr; + while (length) + { + const constant &cnst = constant(buf); + constants.push_back(cnst); + last_constant = &constants[constants.size() - 1]; + if (last_constant->type == constant_type_t::j_double || + last_constant->type == constant_type_t::j_long) + { + // push in a fake constant to preserve indexing + constants.push_back(constant(0)); + length -= 2; + } + else + { + length--; + } + } + } + typedef std::vector<java::constant> container_type; + /** + * Access constants based on jar file index numbers (index of the first element is 1) + */ + java::constant &operator[](std::size_t constant_index) + { + if (constant_index == 0 || constant_index > constants.size()) + { + throw new classfile_exception(); + } + return constants[constant_index - 1]; + } + ; + container_type::const_iterator begin() const + { + return constants.begin(); + } + ; + container_type::const_iterator end() const + { + return constants.end(); + } private: - container_type constants; + container_type constants; }; } diff --git a/libraries/classparser/src/javaendian.h b/libraries/classparser/src/javaendian.h index d488b382..076bff5e 100644 --- a/libraries/classparser/src/javaendian.h +++ b/libraries/classparser/src/javaendian.h @@ -9,68 +9,68 @@ namespace util #ifdef MULTIMC_BIG_ENDIAN inline uint64_t bigswap(uint64_t x) { - return x; + return x; } ; inline uint32_t bigswap(uint32_t x) { - return x; + return x; } ; inline uint16_t bigswap(uint16_t x) { - return x; + return x; } ; inline int64_t bigswap(int64_t x) { - return x; + return x; } ; inline int32_t bigswap(int32_t x) { - return x; + return x; } ; inline int16_t bigswap(int16_t x) { - return x; + return x; } ; #else inline uint64_t bigswap(uint64_t x) { - return (x >> 56) | ((x << 40) & 0x00FF000000000000) | ((x << 24) & 0x0000FF0000000000) | - ((x << 8) & 0x000000FF00000000) | ((x >> 8) & 0x00000000FF000000) | - ((x >> 24) & 0x0000000000FF0000) | ((x >> 40) & 0x000000000000FF00) | (x << 56); + return (x >> 56) | ((x << 40) & 0x00FF000000000000) | ((x << 24) & 0x0000FF0000000000) | + ((x << 8) & 0x000000FF00000000) | ((x >> 8) & 0x00000000FF000000) | + ((x >> 24) & 0x0000000000FF0000) | ((x >> 40) & 0x000000000000FF00) | (x << 56); } -; + inline uint32_t bigswap(uint32_t x) { - return (x >> 24) | ((x << 8) & 0x00FF0000) | ((x >> 8) & 0x0000FF00) | (x << 24); + return (x >> 24) | ((x << 8) & 0x00FF0000) | ((x >> 8) & 0x0000FF00) | (x << 24); } -; + inline uint16_t bigswap(uint16_t x) { - return (x >> 8) | (x << 8); + return (x >> 8) | (x << 8); } -; + inline int64_t bigswap(int64_t x) { - return (x >> 56) | ((x << 40) & 0x00FF000000000000) | ((x << 24) & 0x0000FF0000000000) | - ((x << 8) & 0x000000FF00000000) | ((x >> 8) & 0x00000000FF000000) | - ((x >> 24) & 0x0000000000FF0000) | ((x >> 40) & 0x000000000000FF00) | (x << 56); + return (x >> 56) | ((x << 40) & 0x00FF000000000000) | ((x << 24) & 0x0000FF0000000000) | + ((x << 8) & 0x000000FF00000000) | ((x >> 8) & 0x00000000FF000000) | + ((x >> 24) & 0x0000000000FF0000) | ((x >> 40) & 0x000000000000FF00) | (x << 56); } -; + inline int32_t bigswap(int32_t x) { - return (x >> 24) | ((x << 8) & 0x00FF0000) | ((x >> 8) & 0x0000FF00) | (x << 24); + return (x >> 24) | ((x << 8) & 0x00FF0000) | ((x >> 8) & 0x0000FF00) | (x << 24); } -; + inline int16_t bigswap(int16_t x) { - return (x >> 8) | (x << 8); + return (x >> 8) | (x << 8); } -; + #endif } diff --git a/libraries/classparser/src/membuffer.h b/libraries/classparser/src/membuffer.h index ab83412a..f81c9705 100644 --- a/libraries/classparser/src/membuffer.h +++ b/libraries/classparser/src/membuffer.h @@ -10,54 +10,54 @@ namespace util class membuffer { public: - membuffer(char *buffer, std::size_t size) - { - current = start = buffer; - end = start + size; - } - ~membuffer() - { - // maybe? possibly? left out to avoid confusion. for now. - // delete start; - } - /** - * Read some value. That's all ;) - */ - template <class T> void read(T &val) - { - val = *(T *)current; - current += sizeof(T); - } - /** - * Read a big-endian number - * valid for 2-byte, 4-byte and 8-byte variables - */ - template <class T> void read_be(T &val) - { - val = util::bigswap(*(T *)current); - current += sizeof(T); - } - /** - * Read a string in the format: - * 2B length (big endian, unsigned) - * length bytes data - */ - void read_jstr(std::string &str) - { - uint16_t length = 0; - read_be(length); - str.append(current, length); - current += length; - } - /** - * Skip N bytes - */ - void skip(std::size_t N) - { - current += N; - } + membuffer(char *buffer, std::size_t size) + { + current = start = buffer; + end = start + size; + } + ~membuffer() + { + // maybe? possibly? left out to avoid confusion. for now. + // delete start; + } + /** + * Read some value. That's all ;) + */ + template <class T> void read(T &val) + { + val = *(T *)current; + current += sizeof(T); + } + /** + * Read a big-endian number + * valid for 2-byte, 4-byte and 8-byte variables + */ + template <class T> void read_be(T &val) + { + val = util::bigswap(*(T *)current); + current += sizeof(T); + } + /** + * Read a string in the format: + * 2B length (big endian, unsigned) + * length bytes data + */ + void read_jstr(std::string &str) + { + uint16_t length = 0; + read_be(length); + str.append(current, length); + current += length; + } + /** + * Skip N bytes + */ + void skip(std::size_t N) + { + current += N; + } private: - char *start, *end, *current; + char *start, *end, *current; }; } |