[Soot-list] Modifying initial values fields of method.
Bodden, Eric
eric.bodden at sit.fraunhofer.de
Tue Feb 17 01:25:34 EST 2015
Roman can you post here the entire and unmodified source code of the respective class?
Cheers,
Eric
> On 16.02.2015, at 23:52, Roman Petriev <vvpiroman at gmail.com> wrote:
>
> I tried to use call graph from scene and I found clinit!
> But ... It contains in my test app:
>
> staticinvoke <java.lang.Object: void registerNatives()>()
> return
>
> or
>
> staticinvoke <java.lang.System: void registerNatives()>()
> <java.lang.System: java.io.InputStream in> = null
> <java.lang.System: java.io.PrintStream out> = null
> <java.lang.System: java.io.PrintStream err> = null
> <java.lang.System: java.lang.SecurityManager security> = null
> <java.lang.System: java.io.Console cons> = null
> return
>
> But I want to get/set String constant ...
>
>
> P.s. Thanks for any help!
>
>
> 2015-02-17 0:29 GMT+03:00 Marc Miltenberger <Marc.Miltenberger at cased.de>:
> The method is called <clinit> and has the subsignature
> void <clinit>()
>
> Am 16.02.2015 um 21:56 schrieb Roman Petriev:
> > Well ... How can I get access to clinit with soot? BodyTransformer
> > couldn't find this method.
> >
> > 2015-02-16 21:58 GMT+03:00 Marc-André Laverdière
> > <marc-andre.laverdiere-papineau at polymtl.ca
> > <mailto:marc-andre.laverdiere-papineau at polymtl.ca>>:
> >
> > If the field is static, then it will be in clinit...
> >
> > Marc-André Laverdière-Papineau
> > Doctorant - PhD Candidate
> >
> > On 16/02/15 01:25 PM, Roman Petriev wrote:
> > > Unfortunately, it didn't help :( ....
> > >
> > > Simplest <init> contains 3 items, e.g.:
> > >
> > > r0 := @this: decomp.Decomp
> > > specialinvoke r0.<java.lang.Object: void <init>()>()
> > > return
> > >
> > > Decomp class contains 2 constants.
> > >
> > > Do you have any ideas else?
> > >
> > > P.s. javap:
> > >
> > > private static final java.lang.String FUUU;
> > > Signature: Ljava/lang/String;
> > > flags: ACC_PRIVATE, ACC_STATIC, ACC_FINAL
> > >
> > > ConstantValue: String fdgsfdhsrthd
> > >
> > >
> > > private static final java.lang.String AAAA;
> > > Signature: Ljava/lang/String;
> > > flags: ACC_PRIVATE, ACC_STATIC, ACC_FINAL
> > >
> > > ConstantValue: String olololo
> > >
> > > Probably, constants were initialized somewhere else ...
> > >
> > >
> > > 2015-02-16 14:22 GMT+03:00 Bodden, Eric <eric.bodden at sit.fraunhofer.de <mailto:eric.bodden at sit.fraunhofer.de>
> > > <mailto:eric.bodden at sit.fraunhofer.de
> > <mailto:eric.bodden at sit.fraunhofer.de>>>:
> > >
> > > Hi Roman.
> > >
> > > You will find the appropriate assignment within the body of the
> > > method <init> within SomeClass. You need to modify the assignment there.
> > >
> > > Hope this helps,
> > > Eric
> > >
> > > > On 16.02.2015, at 11:15, Roman Petriev <vvpiroman at gmail.com <mailto:vvpiroman at gmail.com>
> > > <mailto:vvpiroman at gmail.com <mailto:vvpiroman at gmail.com>>> wrote:
> > > >
> > > > I do body transformation (Jimple) for JBCO, and I need to do this
> > > for code obfuscation.
> > > >
> > > > 2015-02-16 13:10 GMT+03:00 Roman Petriev <vvpiroman at gmail.com <mailto:vvpiroman at gmail.com>
> > > <mailto:vvpiroman at gmail.com <mailto:vvpiroman at gmail.com>>>:
> > > > Ok.
> > > >
> > > > E.g.:
> > > >
> > > > public class SomeClass{
> > > >
> > > > //I want to get/set value of this constant.
> > > > private final String SOME_PARAMETER = "value";
> > > >
> > > > public static void main(String[] args) {
> > > >
> > > > //................
> > > >
> > > > }
> > > > }
> > > >
> > > > It's possible?
> > > >
> > > >
> > > > 2015-02-16 9:26 GMT+03:00 Bodden, Eric
> > > <eric.bodden at sit.fraunhofer.de
> > <mailto:eric.bodden at sit.fraunhofer.de>
> > <mailto:eric.bodden at sit.fraunhofer.de
> > <mailto:eric.bodden at sit.fraunhofer.de>>>:
> > > > Hi Roman.
> > > >
> > > > If you describe your problem in more detail then there is a
> > > better chance that people will be able to help you out.
> > > >
> > > > Best wishes,
> > > > Eric Bodden
> > > >
> > > > > On 15.02.2015, at 22:22, Roman Petriev <vvpiroman at gmail.com <mailto:vvpiroman at gmail.com>
> > > <mailto:vvpiroman at gmail.com <mailto:vvpiroman at gmail.com>>> wrote:
> > > > >
> > > > > Hi all!
> > > > >
> > > > > I want to get/set initial value of method field
> > > (java.lang.String). How I can do it?
> > > > >
> > > > > Best regards,
> > > > > Roman.
> > > > >
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> > > >
> > > > --
> > > > Prof. Eric Bodden, Ph.D., http://sse.ec-spride.de/
> > http://bodden.de/
> > > > Head of Secure Software Engineering at Fraunhofer SIT, TU
> > > Darmstadt and EC SPRIDE
> > > > Tel: +49 6151 16-75422 Fax: +49 6151 869-127
> > > > Room B5.11, Fraunhofer SIT, Rheinstraße 75, 64295 Darmstadt
> > > >
> > > >
> > > >
> > >
> > > --
> > > Prof. Eric Bodden, Ph.D., http://sse.ec-spride.de/
> > http://bodden.de/
> > > Head of Secure Software Engineering at Fraunhofer SIT, TU
> > Darmstadt
> > > and EC SPRIDE
> > > Tel: +49 6151 16-75422 Fax: +49 6151 869-127
> > > Room B5.11, Fraunhofer SIT, Rheinstraße 75, 64295 Darmstadt
> > >
> > >
> > >
> > >
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--
Prof. Eric Bodden, Ph.D., http://sse.ec-spride.de/ http://bodden.de/
Head of Secure Software Engineering at Fraunhofer SIT, TU Darmstadt and EC SPRIDE
Tel: +49 6151 16-75422 Fax: +49 6151 869-127
Room B5.11, Fraunhofer SIT, Rheinstraße 75, 64295 Darmstadt
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