skylab/MasterPassword
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Fix handling of nullable parameters in native code.

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This commit is contained in:
Maarten Billemont 2018-06-19 01:28:04 -04:00
parent 11e32abb90
commit a8263b276c
1 changed files with 22 additions and 5 deletions
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27
platform-independent/c/core/src/mpw-jni.c
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@ -18,6 +18,9 @@ JNIEXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
JNIEXPORT jbyteArray JNICALL Java_com_lyndir_masterpassword_impl_MPAlgorithmV0__1masterKey(JNIEnv *env, jobject obj, JNIEXPORT jbyteArray JNICALL Java_com_lyndir_masterpassword_impl_MPAlgorithmV0__1masterKey(JNIEnv *env, jobject obj,
jstring fullName, jbyteArray masterPassword, jint algorithmVersion) { jstring fullName, jbyteArray masterPassword, jint algorithmVersion) {
if (!fullName || !masterPassword)
return NULL;
const char *fullNameString = (*env)->GetStringUTFChars( env, fullName, NULL ); const char *fullNameString = (*env)->GetStringUTFChars( env, fullName, NULL );
jbyte *masterPasswordString = (*env)->GetByteArrayElements( env, masterPassword, NULL ); jbyte *masterPasswordString = (*env)->GetByteArrayElements( env, masterPassword, NULL );
@ -40,6 +43,9 @@ JNIEXPORT jbyteArray JNICALL Java_com_lyndir_masterpassword_impl_MPAlgorithmV0__
JNIEXPORT jbyteArray JNICALL Java_com_lyndir_masterpassword_impl_MPAlgorithmV0__1siteKey(JNIEnv *env, jobject obj, JNIEXPORT jbyteArray JNICALL Java_com_lyndir_masterpassword_impl_MPAlgorithmV0__1siteKey(JNIEnv *env, jobject obj,
jbyteArray masterKey, jstring siteName, jlong siteCounter, jint keyPurpose, jstring keyContext, jint algorithmVersion) { jbyteArray masterKey, jstring siteName, jlong siteCounter, jint keyPurpose, jstring keyContext, jint algorithmVersion) {
if (!masterKey || !siteName)
return NULL;
jbyte *masterKeyBytes = (*env)->GetByteArrayElements( env, masterKey, NULL ); jbyte *masterKeyBytes = (*env)->GetByteArrayElements( env, masterKey, NULL );
const char *siteNameString = (*env)->GetStringUTFChars( env, siteName, NULL ); const char *siteNameString = (*env)->GetStringUTFChars( env, siteName, NULL );
const char *keyContextString = keyContext? (*env)->GetStringUTFChars( env, keyContext, NULL ): NULL; const char *keyContextString = keyContext? (*env)->GetStringUTFChars( env, keyContext, NULL ): NULL;
@ -48,7 +54,8 @@ JNIEXPORT jbyteArray JNICALL Java_com_lyndir_masterpassword_impl_MPAlgorithmV0__
(MPKeyPurpose)keyPurpose, keyContextString, (MPAlgorithmVersion)algorithmVersion ); (MPKeyPurpose)keyPurpose, keyContextString, (MPAlgorithmVersion)algorithmVersion );
(*env)->ReleaseByteArrayElements( env, masterKey, masterKeyBytes, JNI_ABORT ); (*env)->ReleaseByteArrayElements( env, masterKey, masterKeyBytes, JNI_ABORT );
(*env)->ReleaseStringUTFChars( env, siteName, siteNameString ); (*env)->ReleaseStringUTFChars( env, siteName, siteNameString );
(*env)->ReleaseStringUTFChars( env, keyContext, keyContextString ); if (keyContext)
(*env)->ReleaseStringUTFChars( env, keyContext, keyContextString );
if (!siteKeyBytes) if (!siteKeyBytes)
return NULL; return NULL;
@ -67,6 +74,9 @@ JNIEXPORT jstring JNICALL Java_com_lyndir_masterpassword_impl_MPAlgorithmV0__1si
jbyteArray masterKey, jbyteArray siteKey, jstring siteName, jlong siteCounter, jint keyPurpose, jstring keyContext, jbyteArray masterKey, jbyteArray siteKey, jstring siteName, jlong siteCounter, jint keyPurpose, jstring keyContext,
jint resultType, jstring resultParam, jint algorithmVersion) { jint resultType, jstring resultParam, jint algorithmVersion) {
if (!masterKey || !siteKey || !siteName)
return NULL;
jbyte *masterKeyBytes = (*env)->GetByteArrayElements( env, masterKey, NULL ); jbyte *masterKeyBytes = (*env)->GetByteArrayElements( env, masterKey, NULL );
jbyte *siteKeyBytes = (*env)->GetByteArrayElements( env, siteKey, NULL ); jbyte *siteKeyBytes = (*env)->GetByteArrayElements( env, siteKey, NULL );
const char *siteNameString = (*env)->GetStringUTFChars( env, siteName, NULL ); const char *siteNameString = (*env)->GetStringUTFChars( env, siteName, NULL );
@ -78,8 +88,10 @@ JNIEXPORT jstring JNICALL Java_com_lyndir_masterpassword_impl_MPAlgorithmV0__1si
(*env)->ReleaseByteArrayElements( env, masterKey, masterKeyBytes, JNI_ABORT ); (*env)->ReleaseByteArrayElements( env, masterKey, masterKeyBytes, JNI_ABORT );
(*env)->ReleaseByteArrayElements( env, siteKey, siteKeyBytes, JNI_ABORT ); (*env)->ReleaseByteArrayElements( env, siteKey, siteKeyBytes, JNI_ABORT );
(*env)->ReleaseStringUTFChars( env, siteName, siteNameString ); (*env)->ReleaseStringUTFChars( env, siteName, siteNameString );
(*env)->ReleaseStringUTFChars( env, keyContext, keyContextString ); if (keyContext)
(*env)->ReleaseStringUTFChars( env, resultParam, resultParamString ); (*env)->ReleaseStringUTFChars( env, keyContext, keyContextString );
if (resultParam)
(*env)->ReleaseStringUTFChars( env, resultParam, resultParamString );
if (!siteResultString) if (!siteResultString)
return NULL; return NULL;
@ -97,6 +109,9 @@ JNIEXPORT jstring JNICALL Java_com_lyndir_masterpassword_impl_MPAlgorithmV0__1si
jbyteArray masterKey, jbyteArray siteKey, jstring siteName, jlong siteCounter, jint keyPurpose, jstring keyContext, jbyteArray masterKey, jbyteArray siteKey, jstring siteName, jlong siteCounter, jint keyPurpose, jstring keyContext,
jint resultType, jstring resultParam, jint algorithmVersion) { jint resultType, jstring resultParam, jint algorithmVersion) {
if (!masterKey || !siteKey || !siteName || !resultParam)
return NULL;
jbyte *masterKeyBytes = (*env)->GetByteArrayElements( env, masterKey, NULL ); jbyte *masterKeyBytes = (*env)->GetByteArrayElements( env, masterKey, NULL );
jbyte *siteKeyBytes = (*env)->GetByteArrayElements( env, siteKey, NULL ); jbyte *siteKeyBytes = (*env)->GetByteArrayElements( env, siteKey, NULL );
const char *siteNameString = (*env)->GetStringUTFChars( env, siteName, NULL ); const char *siteNameString = (*env)->GetStringUTFChars( env, siteName, NULL );
@ -108,8 +123,10 @@ JNIEXPORT jstring JNICALL Java_com_lyndir_masterpassword_impl_MPAlgorithmV0__1si
(*env)->ReleaseByteArrayElements( env, masterKey, masterKeyBytes, JNI_ABORT ); (*env)->ReleaseByteArrayElements( env, masterKey, masterKeyBytes, JNI_ABORT );
(*env)->ReleaseByteArrayElements( env, siteKey, siteKeyBytes, JNI_ABORT ); (*env)->ReleaseByteArrayElements( env, siteKey, siteKeyBytes, JNI_ABORT );
(*env)->ReleaseStringUTFChars( env, siteName, siteNameString ); (*env)->ReleaseStringUTFChars( env, siteName, siteNameString );
(*env)->ReleaseStringUTFChars( env, keyContext, keyContextString ); if (keyContextString)
(*env)->ReleaseStringUTFChars( env, resultParam, resultParamString ); (*env)->ReleaseStringUTFChars( env, keyContext, keyContextString );
if (resultParam)
(*env)->ReleaseStringUTFChars( env, resultParam, resultParamString );
if (!siteStateString) if (!siteStateString)
return NULL; return NULL;