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fix Digitales Amt #14

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merged 2 commits into from
Feb 17, 2024
Merged

fix Digitales Amt #14

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c2f1e6f
fix Digitales Amt
sdrgeek Feb 2, 2024
035cb56
add version check
sdrgeek Feb 13, 2024
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21 changes: 17 additions & 4 deletions app/src/main/java/it/kapfer/digitalesamt/liberator/ModuleMain.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -45,10 +45,10 @@ class ModuleMain : IXposedHookZygoteInit, IXposedHookLoadPackage {

override fun handleLoadPackage(lpparam: XC_LoadPackage.LoadPackageParam) {
when (lpparam.packageName) {
digitalesAmtPackageName -> handleASitPlusIntegrityCheck(lpparam)
digitalesAmtPackageName -> handleDigitalesAmt(lpparam)
bmf2GoPackageName -> handleBmf2Go(lpparam)
eduDigicardPackageName -> handleEduDigicard(lpparam)
serviceportalBundPackageName -> handleASitPlusIntegrityCheck(lpparam)
serviceportalBundPackageName -> handleServicePortalBund(lpparam)
mobywatelPackageName -> handleMobywatel(lpparam)
}
}
Expand All @@ -71,6 +71,21 @@ class ModuleMain : IXposedHookZygoteInit, IXposedHookLoadPackage {
XposedHelpers.findAndHookMethod(DEVICE_INTEGRITY_CHECK_CLASS, lpparam.classLoader, "checkIntegrityForceCheck", XC_MethodReplacement.DO_NOTHING)
}

private fun handleDigitalesAmt(lpparam: XC_LoadPackage.LoadPackageParam) {
XposedBridge.log("Detected Digitales Amt")
if (getPackageVersion(lpparam) >= 2024011841) {
XposedHelpers.findAndHookMethod(DEVICE_INTEGRITY_CHECK_CLASS, lpparam.classLoader, "attestationSupportCheck", XC_MethodReplacement.DO_NOTHING)
}
handleASitPlusIntegrityCheck(lpparam)
}

private fun handleServicePortalBund(lpparam: XC_LoadPackage.LoadPackageParam) {
XposedBridge.log("Detected Serviceportal Bund")
if (getPackageVersion(lpparam) >= 2023122250) {
XposedHelpers.findAndHookMethod(DEVICE_INTEGRITY_CHECK_CLASS, lpparam.classLoader, "attestationSupportCheck", XC_MethodReplacement.DO_NOTHING)
}
handleASitPlusIntegrityCheck(lpparam)
}
private fun handleBmf2Go(lpparam: XC_LoadPackage.LoadPackageParam) {
if (getPackageVersion(lpparam) < 161) {
XposedBridge.log("Detected FON [+] version < 3.0.0")
Expand Down Expand Up @@ -109,7 +124,6 @@ class ModuleMain : IXposedHookZygoteInit, IXposedHookLoadPackage {
// Hook HomeFragment's getHasAttestationCapabilities() method
XposedHelpers.findAndHookMethod(HOMEFRAGMENT_CLASS, lpparam.classLoader, "getHasAttestationCapabilities", XC_MethodReplacement.returnConstant(true))

/*
// TODO: find out how attestation in edu.digicard works
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XposedBridge.log("Hooking KeyGenParameterSpec")
XposedHelpers.findAndHookMethod(KEYGENPARAMETERSPEC_CLASS, lpparam.classLoader, "setAttestationChallenge", ByteArray::class.java, object :
Expand All @@ -118,7 +132,6 @@ class ModuleMain : IXposedHookZygoteInit, IXposedHookLoadPackage {
param?.args?.set(0, null) // set the attestation bytes to null -> silently fails attestation
}
})
*/
}

private fun handleMobywatel(lpparam: XC_LoadPackage.LoadPackageParam) {
Expand Down
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