_assert(CYRecvAll(client, &size, sizeof(size))):../Console.cpp(142):Run

[nderkach]

When using the deb for the current repository, I have the following error when loading InspectiveC with cycript:

cy# intFunc=new Type("v").functionWith(int);objFunc=new Type("v").functionWith(id);classFunc=new Type("v").functionWith(Class);selFunc=new Type("v").functionWith(SEL);voidFunc=new Type("v").functionWith(new Type("v"));objSelFunc=new Type("v").functionWith(id,SEL);classSelFunc=new Type("v").functionWith(Class,SEL);handle=dlopen("/usr/lib/libinspectivec.dylib",RTLD_NOW);setMaximumRelativeLoggingDepth=intFunc(dlsym(handle,"InspectiveC_setMaximumRelativeLoggingDepth"));watchObject=objFunc(dlsym(handle,"InspectiveC_watchObject"));unwatchObject=objFunc(dlsym(handle,"InspectiveC_unwatchObject"));watchSelectorOnObject=objSelFunc(dlsym(handle,"InspectiveC_watchSelectorOnObject"));unwatchSelectorOnObject=objSelFunc(dlsym(handle,"InspectiveC_unwatchSelectorOnObject"));watchClass=classFunc(dlsym(handle,"InspectiveC_watchInstancesOfClass"));unwatchClass=classFunc(dlsym(handle,"InspectiveC_unwatchInstancesOfClass"));watchSelectorOnClass=classSelFunc(dlsym(handle,"InspectiveC_watchSelectorOnInstancesOfClass"));unwatchSelectorOnClass=classSelFunc(dlsym(handle,"InspectiveC_unwatchSelectorOnInstancesOfClass"));watchSelector=selFunc(dlsym(handle,"InspectiveC_watchSelector"));unwatchSelector=selFunc(dlsym(handle,"InspectiveC_unwatchSelector"));enableLogging=voidFunc(dlsym(handle,"InspectiveC_enableLogging"));disableLogging=voidFunc(dlsym(handle,"InspectiveC_disableLogging"));enableCompleteLogging=voidFunc(dlsym(handle,"InspectiveC_enableCompleteLogging"));disableCompleteLogging=voidFunc(dlsym(handle,"InspectiveC_disableCompleteLogging"))
*** _assert(CYRecvAll(client, &size, sizeof(size))):../Console.cpp(142):Run

[DavidGoldman]

What process are you injecting into?

I also recommend transferring InspectiveC.cy to your device; navigate to the directory that it is in and

$ cycript -p <Process> InspectiveC.cy
<non-zero address printed>
$ cycript -p <Process>
<do the thing>

[nderkach]

@DavidGoldman it seems like the problem persists with all 3rd party apps, i.e. here is an example with Uber app:

Nikolays-iPhone:~ root# cycript -p UberClient InspectiveC.cy
*** _assert(CYRecvAll(client, &size, sizeof(size))):../Console.cpp(142):Run

It seems to work fine with a few of the stock apps I tried.

[DavidGoldman]

Unable to reproduce this - what device + iOS version are you on?

[nderkach]

iOS 8.4 with iPhone 5c
Apparently the dlopen fails for some reason. I've tried both the library from deb and one compiled locally.

[DavidGoldman]

Just tested this on my iPhone 5 and it works fine. Is InspectiveC installed properly? You can modify the cycript file to print dlerror() to help figure this out.

[nderkach]

There is not way to print dlerror() as it crashes right on dlopen without returning.

[DavidGoldman]

If you compile your own tweak with the InspCWrapper, does it work? Is there a crashlog, perhaps (try CrashReporter)?

[ZaneH]

I'm also experiencing this issue when using watchClass inside Apple's Camera application.

cy# watchClass(CUCaptureController)
*** _assert(CYRecvAll(client, &size, sizeof(size))):../Console.cpp(140):Run

iPhone 5s on iOS 9.0.2

[DavidGoldman]

What happens if you run the code inside of a tweak instead? Does the Camera app crash?

[ZaneH]

I tried using the InspCWrapper.m inside my project, and the Camera app didn't crash, but I also didn't see any of the logs in the log directory.

[DavidGoldman]

See #6. Not sure why it would crash in Cycript though.

[ddaddy]

I'll post this here as it might be related.
Since updating to the latest build through Cydia, as soon as I enter the Cycrip script it crashes with a similar *** _assert(CYRecvAll(client, &size, sizeof(size))):../Console.cpp(274):Run

In the device logs it shows

: *** NSForwarding: warning: selector (0x2551fdc) for message 'firstObject' does not match selector known to Objective C runtime (0x2a7f1b6e)-- abort
: -[__NSArrayI firstObject]: unrecognized selector sent to instance 0x16da4880
: *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSArrayI firstObject]: unrecognized selector sent to instance 0x16da4880'

The same happens when linking the inspectivec in a Theos tweak.

The previous version seemed to work fine.

[DavidGoldman]

Hmm, what about this version? This one is compiled with libinspectivec_LDFLAGS += -Wl,-segalign,4000 which might have been the problem.

[ddaddy]

No, still the same problem.

[DavidGoldman]

What was the old version that you were using? What iOS version are you on? And what process are you injecting into?