static int get_attribute (JCF *jcf, int index, jv_attr_type attr_type ATTRIBUTE_UNUSED) { uint16 attribute_name = (JCF_FILL (jcf, 6), JCF_readu2 (jcf)); uint32 attribute_length = JCF_readu4 (jcf); uint32 start_pos = JCF_TELL(jcf); int name_length; const unsigned char *name_data; JCF_FILL (jcf, (long) attribute_length); if (attribute_name <= 0 || attribute_name >= JPOOL_SIZE(jcf)) return -2; if (JPOOL_TAG (jcf, attribute_name) != CONSTANT_Utf8) return -2; name_length = JPOOL_UTF_LENGTH (jcf, attribute_name); name_data = JPOOL_UTF_DATA (jcf, attribute_name); #define MATCH_ATTRIBUTE(S) \ (name_length == sizeof (S)-1 && memcmp (name_data, S, sizeof (S)-1) == 0) #ifdef IGNORE_ATTRIBUTE if (IGNORE_ATTRIBUTE (jcf, attribute_name, attribute_length)) { JCF_SKIP (jcf, attribute_length); } else #endif #ifdef HANDLE_SOURCEFILE if (MATCH_ATTRIBUTE ("SourceFile")) { uint16 sourcefile_index = JCF_readu2 (jcf); HANDLE_SOURCEFILE(sourcefile_index); } else #endif #ifdef HANDLE_CONSTANTVALUE if (MATCH_ATTRIBUTE ("ConstantValue")) { uint16 constantvalue_index = JCF_readu2 (jcf); if (constantvalue_index <= 0 || constantvalue_index >= JPOOL_SIZE(jcf)) return -2; HANDLE_CONSTANTVALUE(constantvalue_index); } else #endif #ifdef HANDLE_CODE_ATTRIBUTE if (MATCH_ATTRIBUTE ("Code")) { uint16 j; uint16 max_stack ATTRIBUTE_UNUSED = JCF_readu2 (jcf); uint16 max_locals ATTRIBUTE_UNUSED = JCF_readu2 (jcf); uint32 code_length = JCF_readu4 (jcf); uint16 exception_table_length, attributes_count; if (code_length + 12 > attribute_length) return -1; HANDLE_CODE_ATTRIBUTE(max_stack, max_locals, code_length); JCF_SKIP (jcf, code_length); exception_table_length = JCF_readu2 (jcf); if (code_length + 8 * exception_table_length + 12 > attribute_length) return -1; #ifdef HANDLE_EXCEPTION_TABLE HANDLE_EXCEPTION_TABLE (jcf->read_ptr, exception_table_length); #endif JCF_SKIP (jcf, 2 * 4 * exception_table_length); attributes_count = JCF_readu2 (jcf); for (j = 0; j < attributes_count; j++) { int code = get_attribute (jcf, index, JV_METHOD_ATTR); if (code != 0) return code; } } else #endif /* HANDLE_CODE_ATTRIBUTE */ #ifdef HANDLE_EXCEPTIONS_ATTRIBUTE if (MATCH_ATTRIBUTE ("Exceptions")) { uint16 count = JCF_readu2 (jcf); HANDLE_EXCEPTIONS_ATTRIBUTE (count); } else #endif #ifdef HANDLE_LINENUMBERTABLE_ATTRIBUTE if (MATCH_ATTRIBUTE ("LineNumberTable")) { uint16 count = JCF_readu2 (jcf); HANDLE_LINENUMBERTABLE_ATTRIBUTE (count); } else #endif #ifdef HANDLE_LOCALVARIABLETABLE_ATTRIBUTE if (MATCH_ATTRIBUTE ("LocalVariableTable")) { uint16 count = JCF_readu2 (jcf); HANDLE_LOCALVARIABLETABLE_ATTRIBUTE (count); } else #endif #ifdef HANDLE_LOCALVARIABLETYPETABLE_ATTRIBUTE if (MATCH_ATTRIBUTE ("LocalVariableTypeTable")) { uint16 count = JCF_readu2 (jcf); HANDLE_LOCALVARIABLETYPETABLE_ATTRIBUTE (count); } else #endif #ifdef HANDLE_INNERCLASSES_ATTRIBUTE if (MATCH_ATTRIBUTE ("InnerClasses")) { uint16 count = JCF_readu2 (jcf); HANDLE_INNERCLASSES_ATTRIBUTE (count); } else #endif #ifdef HANDLE_SYNTHETIC_ATTRIBUTE if (MATCH_ATTRIBUTE ("Synthetic")) { HANDLE_SYNTHETIC_ATTRIBUTE (); } else #endif #ifdef HANDLE_GCJCOMPILED_ATTRIBUTE if (MATCH_ATTRIBUTE ("gnu.gcj.gcj-compiled")) { HANDLE_GCJCOMPILED_ATTRIBUTE (); } else #endif #ifdef HANDLE_DEPRECATED_ATTRIBUTE if (MATCH_ATTRIBUTE ("Deprecated")) { HANDLE_DEPRECATED_ATTRIBUTE (); } else #endif #ifdef HANDLE_SOURCEDEBUGEXTENSION_ATTRIBUTE if (MATCH_ATTRIBUTE ("SourceDebugExtension")) /* JSR 45 */ { HANDLE_SOURCEDEBUGEXTENSION_ATTRIBUTE (attribute_length); } else #endif #ifdef HANDLE_ENCLOSINGMETHOD_ATTRIBUTE if (MATCH_ATTRIBUTE ("EnclosingMethod")) { HANDLE_ENCLOSINGMETHOD_ATTRIBUTE (); } else #endif #ifdef HANDLE_SIGNATURE_ATTRIBUTE if (MATCH_ATTRIBUTE ("Signature")) { HANDLE_SIGNATURE_ATTRIBUTE (); } else #endif #ifdef HANDLE_RUNTIMEVISIBLEANNOTATIONS_ATTRIBUTE if (MATCH_ATTRIBUTE ("RuntimeVisibleAnnotations")) { HANDLE_RUNTIMEVISIBLEANNOTATIONS_ATTRIBUTE (); } else #endif #ifdef HANDLE_RUNTIMEINVISIBLEANNOTATIONS_ATTRIBUTE if (MATCH_ATTRIBUTE ("RuntimeInvisibleAnnotations")) { HANDLE_RUNTIMEINVISIBLEANNOTATIONS_ATTRIBUTE (); } else #endif #ifdef HANDLE_RUNTIMEVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE if (MATCH_ATTRIBUTE ("RuntimeVisibleParameterAnnotations")) { HANDLE_RUNTIMEVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE (); } else #endif #ifdef HANDLE_RUNTIMEINVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE if (MATCH_ATTRIBUTE ("RuntimeInvisibleParameterAnnotations")) { HANDLE_RUNTIMEINVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE (); } else #endif #ifdef HANDLE_ANNOTATIONDEFAULT_ATTRIBUTE if (MATCH_ATTRIBUTE ("AnnotationDefault")) { HANDLE_ANNOTATIONDEFAULT_ATTRIBUTE (); } else #endif if (MATCH_ATTRIBUTE ("BootstrapMethods")) { #ifdef HANDLE_BOOTSTRAP_METHODS_ATTRIBUTE HANDLE_BOOTSTRAP_METHODS_ATTRIBUTE(); #else JCF_SKIP (jcf, attribute_length); #endif } else { #ifdef PROCESS_OTHER_ATTRIBUTE PROCESS_OTHER_ATTRIBUTE(jcf, attribute_name, attribute_length); #else JCF_SKIP (jcf, attribute_length); #endif } if ((long) (start_pos + attribute_length) != JCF_TELL(jcf)) return -1; return 0; }
static int get_attribute (JCF *jcf) { uint16 attribute_name = (JCF_FILL (jcf, 6), JCF_readu2 (jcf)); uint32 attribute_length = JCF_readu4 (jcf); uint32 start_pos = JCF_TELL(jcf); int name_length; const unsigned char *name_data; JCF_FILL (jcf, (long) attribute_length); if (attribute_name <= 0 || attribute_name >= JPOOL_SIZE(jcf)) return -2; if (JPOOL_TAG (jcf, attribute_name) != CONSTANT_Utf8) return -2; name_length = JPOOL_UTF_LENGTH (jcf, attribute_name); name_data = JPOOL_UTF_DATA (jcf, attribute_name); #define MATCH_ATTRIBUTE(S) \ (name_length == sizeof (S)-1 && memcmp (name_data, S, sizeof (S)-1) == 0) #ifdef IGNORE_ATTRIBUTE if (IGNORE_ATTRIBUTE (jcf, attribute_name, attribute_length)) { JCF_SKIP (jcf, attribute_length); } else #endif #ifdef HANDLE_SOURCEFILE if (MATCH_ATTRIBUTE ("SourceFile")) { uint16 sourcefile_index = JCF_readu2 (jcf); HANDLE_SOURCEFILE(sourcefile_index); } else #endif #ifdef HANDLE_CONSTANTVALUE if (MATCH_ATTRIBUTE ("ConstantValue")) { uint16 constantvalue_index = JCF_readu2 (jcf); if (constantvalue_index <= 0 || constantvalue_index >= JPOOL_SIZE(jcf)) return -2; HANDLE_CONSTANTVALUE(constantvalue_index); } else #endif #ifdef HANDLE_CODE_ATTRIBUTE if (MATCH_ATTRIBUTE ("Code")) { uint16 j; uint16 max_stack ATTRIBUTE_UNUSED = JCF_readu2 (jcf); uint16 max_locals ATTRIBUTE_UNUSED = JCF_readu2 (jcf); uint32 code_length = JCF_readu4 (jcf); uint16 exception_table_length, attributes_count; if (code_length + 12 > attribute_length) return -1; HANDLE_CODE_ATTRIBUTE(max_stack, max_locals, code_length); JCF_SKIP (jcf, code_length); exception_table_length = JCF_readu2 (jcf); if (code_length + 8 * exception_table_length + 12 > attribute_length) return -1; #ifdef HANDLE_EXCEPTION_TABLE HANDLE_EXCEPTION_TABLE (jcf->read_ptr, exception_table_length); #endif JCF_SKIP (jcf, 2 * 4 * exception_table_length); attributes_count = JCF_readu2 (jcf); for (j = 0; j < attributes_count; j++) { int code = get_attribute (jcf); if (code != 0) return code; } } else #endif /* HANDLE_CODE_ATTRIBUTE */ #ifdef HANDLE_EXCEPTIONS_ATTRIBUTE if (MATCH_ATTRIBUTE ("Exceptions")) { uint16 count = JCF_readu2 (jcf); HANDLE_EXCEPTIONS_ATTRIBUTE (count); } else #endif #ifdef HANDLE_LINENUMBERTABLE_ATTRIBUTE if (MATCH_ATTRIBUTE ("LineNumberTable")) { uint16 count = JCF_readu2 (jcf); HANDLE_LINENUMBERTABLE_ATTRIBUTE (count); } else #endif #ifdef HANDLE_LOCALVARIABLETABLE_ATTRIBUTE if (MATCH_ATTRIBUTE ("LocalVariableTable")) { uint16 count = JCF_readu2 (jcf); HANDLE_LOCALVARIABLETABLE_ATTRIBUTE (count); } else #endif #ifdef HANDLE_INNERCLASSES_ATTRIBUTE if (MATCH_ATTRIBUTE ("InnerClasses")) { uint16 count = JCF_readu2 (jcf); HANDLE_INNERCLASSES_ATTRIBUTE (count); } else #endif #ifdef HANDLE_SYNTHETIC_ATTRIBUTE if (MATCH_ATTRIBUTE ("Synthetic")) { HANDLE_SYNTHETIC_ATTRIBUTE (); } else #endif #ifdef HANDLE_GCJCOMPILED_ATTRIBUTE if (MATCH_ATTRIBUTE ("gnu.gcj.gcj-compiled")) { HANDLE_GCJCOMPILED_ATTRIBUTE (); } else #endif #ifdef HANDLE_DEPRECATED_ATTRIBUTE if (MATCH_ATTRIBUTE ("Deprecated")) { HANDLE_DEPRECATED_ATTRIBUTE (); } else #endif { #ifdef PROCESS_OTHER_ATTRIBUTE PROCESS_OTHER_ATTRIBUTE(jcf, attribute_name, attribute_length); #else JCF_SKIP (jcf, attribute_length); #endif } if ((long) (start_pos + attribute_length) != JCF_TELL(jcf)) return -1; return 0; }