LegacyConsole/jpexs-decompiler
3
0
Fork 0
mirror of https://git.huckle.dev/Huckles-Minecraft-Archive/jpexs-decompiler.git synced 2026-07-15 18:29:51 +00:00
Code Issues Packages Projects Releases Wiki Activity

Issue #36, Multiname with invalid index

Browse Source
This commit is contained in:
Jindra Petk
2013-03-19 21:31:21 +01:00
parent 07ad597484
commit 9cea9b6858
1 changed files with 11 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
trunk/src/com/jpexs/decompiler/flash/abc/avm2/parser/ASM3Parser.java
View File

@@ -64,6 +64,13 @@ public class ASM3Parser {
return parse(is, constants, null, body);
}
private static int checkMultinameIndex(ConstantPool constants, int index, int line) throws ParseException {
if ((index < 0) || (index >= constants.constant_multiname.length)) {
throw new ParseException("Invalid multiname index", line);
}
return index;
}
public static AVM2Code parse(InputStream is, ConstantPool constants, MissingSymbolHandler missingHandler, MethodBody body) throws IOException, ParseException {
AVM2Code code = new AVM2Code();
@@ -130,8 +137,9 @@ public class ASM3Parser {
throw new ParseException("Multiname expected", lexer.yyline());
}
ABCException ex = new ABCException();
ex.name_index = (int) (long) (Long) exName.value;
ex.type_index = (int) (long) (Long) exType.value;
ex.name_index = checkMultinameIndex(constants,(int) (long) (Long) exName.value,lexer.yyline());
ex.type_index = checkMultinameIndex(constants,(int) (long) (Long) exType.value,lexer.yyline());
exceptions.add(ex);
exceptionIndices.add((int) (long) (Long) exIndex.value);
continue;
@@ -147,7 +155,7 @@ public class ASM3Parser {
switch (def.operands[i]) {
case AVM2Code.DAT_MULTINAME_INDEX:
if (parsedOperand.type == ParsedSymbol.TYPE_MULTINAME) {
operandsList.add((int) (long) (Long) parsedOperand.value);
operandsList.add(checkMultinameIndex(constants,(int) (long) (Long) parsedOperand.value,lexer.yyline()));
} else {
throw new ParseException("Multiname expected", lexer.yyline());
}