From 57ec6fff885e25b32e749d3e63788ff010b1fdfd Mon Sep 17 00:00:00 2001 From: pedroGitt Date: Thu, 13 Oct 2016 19:21:01 +0200 Subject: Temp commit.. adding group session API in progress --- .../OlmLibSdk/olm-sdk/src/main/jni/Android.mk | 3 +- .../OlmLibSdk/olm-sdk/src/main/jni/olm_account.cpp | 48 ++-- .../OlmLibSdk/olm-sdk/src/main/jni/olm_account.h | 7 +- .../src/main/jni/olm_inbound_group_session.cpp | 262 ++++++++++++++++++ .../src/main/jni/olm_inbound_group_session.h | 43 +++ .../OlmLibSdk/olm-sdk/src/main/jni/olm_jni.h | 8 - .../src/main/jni/olm_outbound_group_session.cpp | 293 +++++++++++++++++++++ .../src/main/jni/olm_outbound_group_session.h | 43 +++ .../OlmLibSdk/olm-sdk/src/main/jni/olm_session.cpp | 10 +- .../OlmLibSdk/olm-sdk/src/main/jni/olm_session.h | 1 + .../OlmLibSdk/olm-sdk/src/main/jni/olm_utility.cpp | 82 +++++- .../OlmLibSdk/olm-sdk/src/main/jni/olm_utility.h | 1 + 12 files changed, 761 insertions(+), 40 deletions(-) create mode 100644 java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_inbound_group_session.cpp create mode 100644 java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_inbound_group_session.h create mode 100644 java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_outbound_group_session.cpp create mode 100644 java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_outbound_group_session.h (limited to 'java/android/OlmLibSdk/olm-sdk/src/main/jni') diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/Android.mk b/java/android/OlmLibSdk/olm-sdk/src/main/jni/Android.mk index 26a6a90..01c0dc9 100644 --- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/Android.mk +++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/Android.mk @@ -45,7 +45,8 @@ $(SRC_ROOT_DIR)/lib/crypto-algorithms/aes.c \ $(SRC_ROOT_DIR)/lib/curve25519-donna/curve25519-donna.c \ olm_account.cpp \ olm_session.cpp \ -olm_utility.cpp +olm_utility.cpp \ +olm_inbound_group_session.cpp LOCAL_LDLIBS := -llog diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.cpp b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.cpp index 2a5ab6f..ba15c13 100644 --- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.cpp +++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.cpp @@ -19,7 +19,7 @@ /** * Init memory allocation for account creation. -* @return valid memory alocation, NULL otherwise +* @return valid memory allocation, NULL otherwise **/ OlmAccount* initializeAccountMemory() { @@ -68,7 +68,7 @@ JNIEXPORT void OLM_ACCOUNT_FUNC_DEF(releaseAccountJni)(JNIEnv *env, jobject thiz /** * Initialize a new account and return it to JAVA side.
* Since a C prt is returned as a jlong, special care will be taken -* to make the cast (OlmAccount* => jlong) platform independant. +* to make the cast (OlmAccount* => jlong) platform independent. * @return the initialized OlmAccount* instance if init succeed, NULL otherwise **/ JNIEXPORT jlong OLM_ACCOUNT_FUNC_DEF(initNewAccountJni)(JNIEnv *env, jobject thiz) @@ -308,7 +308,7 @@ JNIEXPORT jbyteArray OLM_ACCOUNT_FUNC_DEF(oneTimeKeysJni)(JNIEnv *env, jobject t * @param aNativeOlmSessionId session instance * @return ERROR_CODE_OK if operation succeed, ERROR_CODE_NO_MATCHING_ONE_TIME_KEYS if no matching keys, ERROR_CODE_KO otherwise **/ -JNIEXPORT jint OLM_ACCOUNT_FUNC_DEF(removeOneTimeKeysForSession)(JNIEnv *env, jobject thiz, jlong aNativeOlmSessionId) +JNIEXPORT jint OLM_ACCOUNT_FUNC_DEF(removeOneTimeKeysForSessionJni)(JNIEnv *env, jobject thiz, jlong aNativeOlmSessionId) { jint retCode = ERROR_CODE_KO; OlmAccount* accountPtr = NULL; @@ -317,11 +317,11 @@ JNIEXPORT jint OLM_ACCOUNT_FUNC_DEF(removeOneTimeKeysForSession)(JNIEnv *env, jo if(NULL == sessionPtr) { - LOGE("## removeOneTimeKeysForSession(): failure - invalid session ptr"); + LOGE("## removeOneTimeKeysForSessionJni(): failure - invalid session ptr"); } else if(NULL == (accountPtr = (OlmAccount*)getAccountInstanceId(env,thiz))) { - LOGE("## removeOneTimeKeysForSession(): failure - invalid account ptr"); + LOGE("## removeOneTimeKeysForSessionJni(): failure - invalid account ptr"); } else { @@ -329,14 +329,14 @@ JNIEXPORT jint OLM_ACCOUNT_FUNC_DEF(removeOneTimeKeysForSession)(JNIEnv *env, jo if(result == olm_error()) { // the account doesn't have any matching "one time keys".. const char *errorMsgPtr = olm_account_last_error(accountPtr); - LOGW("## removeOneTimeKeysForSession(): failure - removing one time keys Msg=%s",errorMsgPtr); + LOGW("## removeOneTimeKeysForSessionJni(): failure - removing one time keys Msg=%s",errorMsgPtr); retCode = ERROR_CODE_NO_MATCHING_ONE_TIME_KEYS; } else { retCode = ERROR_CODE_OK; - LOGD("## removeOneTimeKeysForSession(): success"); + LOGD("## removeOneTimeKeysForSessionJni(): success"); } } @@ -347,7 +347,7 @@ JNIEXPORT jint OLM_ACCOUNT_FUNC_DEF(removeOneTimeKeysForSession)(JNIEnv *env, jo * Mark the current set of "one time keys" as being published. * @return ERROR_CODE_OK if operation succeed, ERROR_CODE_KO otherwise **/ -JNIEXPORT jint OLM_ACCOUNT_FUNC_DEF(markOneTimeKeysAsPublished)(JNIEnv *env, jobject thiz) +JNIEXPORT jint OLM_ACCOUNT_FUNC_DEF(markOneTimeKeysAsPublishedJni)(JNIEnv *env, jobject thiz) { jint retCode = ERROR_CODE_OK; OlmAccount* accountPtr = NULL; @@ -355,7 +355,7 @@ JNIEXPORT jint OLM_ACCOUNT_FUNC_DEF(markOneTimeKeysAsPublished)(JNIEnv *env, job if(NULL == (accountPtr = (OlmAccount*)getAccountInstanceId(env,thiz))) { - LOGE("## markOneTimeKeysPublished(): failure - invalid account ptr"); + LOGE("## markOneTimeKeysAsPublishedJni(): failure - invalid account ptr"); retCode = ERROR_CODE_KO; } else @@ -364,12 +364,12 @@ JNIEXPORT jint OLM_ACCOUNT_FUNC_DEF(markOneTimeKeysAsPublished)(JNIEnv *env, job if(result == olm_error()) { const char *errorMsgPtr = olm_account_last_error(accountPtr); - LOGW("## markOneTimeKeysPublished(): failure - Msg=%s",errorMsgPtr); + LOGW("## markOneTimeKeysAsPublishedJni(): failure - Msg=%s",errorMsgPtr); retCode = ERROR_CODE_KO; } else { - LOGD("## markOneTimeKeysPublished(): success - retCode=%ld",result); + LOGD("## markOneTimeKeysAsPublishedJni(): success - retCode=%ld",result); } } @@ -382,7 +382,7 @@ JNIEXPORT jint OLM_ACCOUNT_FUNC_DEF(markOneTimeKeysAsPublished)(JNIEnv *env, job * @param aMessage message to sign * @return the signed message, null otherwise **/ -JNIEXPORT jstring OLM_ACCOUNT_FUNC_DEF(signMessage)(JNIEnv *env, jobject thiz, jstring aMessage) +JNIEXPORT jstring OLM_ACCOUNT_FUNC_DEF(signMessageJni)(JNIEnv *env, jobject thiz, jstring aMessage) { OlmAccount* accountPtr = NULL; size_t signatureLength; @@ -392,11 +392,11 @@ JNIEXPORT jstring OLM_ACCOUNT_FUNC_DEF(signMessage)(JNIEnv *env, jobject thiz, j if(NULL == aMessage) { - LOGE("## signMessage(): failure - invalid aMessage param"); + LOGE("## signMessageJni(): failure - invalid aMessage param"); } else if(NULL == (accountPtr = (OlmAccount*)getAccountInstanceId(env,thiz))) { - LOGE("## signMessage(): failure - invalid account ptr"); + LOGE("## signMessageJni(): failure - invalid account ptr"); } else { @@ -404,7 +404,7 @@ JNIEXPORT jstring OLM_ACCOUNT_FUNC_DEF(signMessage)(JNIEnv *env, jobject thiz, j const char* messageToSign = env->GetStringUTFChars(aMessage, 0); if(NULL == messageToSign) { - LOGE("## signMessage(): failure - message JNI allocation OOM"); + LOGE("## signMessageJni(): failure - message JNI allocation OOM"); } else { @@ -414,22 +414,26 @@ JNIEXPORT jstring OLM_ACCOUNT_FUNC_DEF(signMessage)(JNIEnv *env, jobject thiz, j signatureLength = olm_account_signature_length(accountPtr); if(NULL == (signedMsgPtr = (void*)malloc(signatureLength*sizeof(uint8_t)))) { - LOGE("## signMessage(): failure - signature allocation OOM"); + LOGE("## signMessageJni(): failure - signature allocation OOM"); } else { // sign message - resultSign = olm_account_sign(accountPtr, (void*)messageToSign, (size_t)messageLength, signedMsgPtr, signatureLength); + resultSign = olm_account_sign(accountPtr, + (void*)messageToSign, + (size_t)messageLength, + signedMsgPtr, + signatureLength); if(resultSign == olm_error()) { const char *errorMsgPtr = olm_account_last_error(accountPtr); - LOGE("## signMessage(): failure - error signing message Msg=%s",errorMsgPtr); + LOGE("## signMessageJni(): failure - error signing message Msg=%s",errorMsgPtr); } else - { // convert to jstring - // TODO check how UTF conversion can impact the content? - // why not consider return jbyteArray? and convert in JAVA side.. + { + // TODO check if signedMsgPtr needs to be null ended: signedMsgPtr[resultSign]='\0' + // convert to jstring signedMsgRetValue = env->NewStringUTF((const char*)signedMsgPtr); // UTF8 - LOGD("## signMessage(): success - retCode=%ld",resultSign); + LOGD("## signMessageJni(): success - retCode=%ld",resultSign); } free(signedMsgPtr); diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.h b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.h index 23c9687..63ec3ef 100644 --- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.h +++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.h @@ -18,6 +18,7 @@ #define _OMLACCOUNT_H #include "olm_jni.h" +#include "olm/olm.h" #define OLM_ACCOUNT_FUNC_DEF(func_name) FUNC_DEF(OlmAccount,func_name) #define OLM_MANAGER_FUNC_DEF(func_name) FUNC_DEF(OlmManager,func_name) @@ -39,11 +40,11 @@ JNIEXPORT jbyteArray OLM_ACCOUNT_FUNC_DEF(identityKeysJni)(JNIEnv *env, jobject JNIEXPORT jbyteArray OLM_ACCOUNT_FUNC_DEF(oneTimeKeysJni)(JNIEnv *env, jobject thiz); JNIEXPORT jlong OLM_ACCOUNT_FUNC_DEF(maxOneTimeKeys)(JNIEnv *env, jobject thiz); JNIEXPORT jint OLM_ACCOUNT_FUNC_DEF(generateOneTimeKeys)(JNIEnv *env, jobject thiz, jint aNumberOfKeys); -JNIEXPORT jint OLM_ACCOUNT_FUNC_DEF(removeOneTimeKeysForSession)(JNIEnv *env, jobject thiz, jlong aNativeOlmSessionId); -JNIEXPORT jint OLM_ACCOUNT_FUNC_DEF(markOneTimeKeysAsPublished)(JNIEnv *env, jobject thiz); +JNIEXPORT jint OLM_ACCOUNT_FUNC_DEF(removeOneTimeKeysForSessionJni)(JNIEnv *env, jobject thiz, jlong aNativeOlmSessionId); +JNIEXPORT jint OLM_ACCOUNT_FUNC_DEF(markOneTimeKeysAsPublishedJni)(JNIEnv *env, jobject thiz); // signing -JNIEXPORT jstring OLM_ACCOUNT_FUNC_DEF(signMessage)(JNIEnv *env, jobject thiz, jstring aMessage); +JNIEXPORT jstring OLM_ACCOUNT_FUNC_DEF(signMessageJni)(JNIEnv *env, jobject thiz, jstring aMessage); #ifdef __cplusplus } diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_inbound_group_session.cpp b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_inbound_group_session.cpp new file mode 100644 index 0000000..43e9e20 --- /dev/null +++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_inbound_group_session.cpp @@ -0,0 +1,262 @@ +/* + * Copyright 2016 OpenMarket Ltd + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "olm_inbound_group_session.h" +#include "olm_utility.h" + + +/** + * Release the session allocation made by initializeInboundGroupSessionMemory().
+ * This method MUST be called when java counter part account instance is done. + * + */ +JNIEXPORT void OLM_INBOUND_GROUP_SESSION_FUNC_DEF(releaseSessionJni)(JNIEnv *env, jobject thiz) +{ + OlmInboundGroupSession* sessionPtr = NULL; + + LOGD("## releaseSessionJni(): sessionPtr=%p",sessionPtr); + + if(NULL == (sessionPtr = (OlmInboundGroupSession*)getInboundGroupSessionInstanceId(env,thiz))) + { + LOGE("## releaseSessionJni(): failure - invalid inbound group session instance"); + } + else + { + size_t retCode = olm_clear_inbound_group_session(sessionPtr); + LOGD("## releaseSessionJni(): clear_inbound_group_session=%lu",retCode); + + LOGD("## releaseSessionJni(): IN"); + free(sessionPtr); + LOGD("## releaseSessionJni(): OUT"); + } +} + +/** +* Initialize a new inbound group session and return it to JAVA side.
+* Since a C prt is returned as a jlong, special care will be taken +* to make the cast (OlmInboundGroupSession* => jlong) platform independent. +* @return the initialized OlmInboundGroupSession* instance if init succeed, NULL otherwise +**/ +JNIEXPORT jlong OLM_INBOUND_GROUP_SESSION_FUNC_DEF(initNewSessionJni)(JNIEnv *env, jobject thiz) +{ + OlmInboundGroupSession* sessionPtr = NULL; + size_t sessionSize = olm_inbound_group_session_size(); + + if(0 == sessionSize) + { + LOGE("## initNewSessionJni(): failure - inbound group session size = 0"); + } + else if(NULL != (sessionPtr=(OlmInboundGroupSession*)malloc(sessionSize))) + { + sessionPtr = olm_inbound_group_session(sessionPtr); + LOGD("## initNewSessionJni(): success - inbound group session size=%lu",sessionSize); + } + else + { + LOGE("## initNewSessionJni(): failure - inbound group session OOM"); + } + + return (jlong)(intptr_t)sessionPtr; +} + +/** + * Create a new in-bound session.
+ * @param aSessionKey session key from an outbound session + * @return ERROR_CODE_OK if operation succeed, ERROR_CODE_KO otherwise + */ +JNIEXPORT jint OLM_INBOUND_GROUP_SESSION_FUNC_DEF(initInboundGroupSessionWithSessionKeyJni)(JNIEnv *env, jobject thiz, jstring aSessionKey) +{ + jint retCode = ERROR_CODE_KO; + OlmInboundGroupSession *sessionPtr = NULL; + const uint8_t *sessionKeyPtr = NULL; + size_t sessionResult; + + if(NULL == (sessionPtr = (OlmInboundGroupSession*)getInboundGroupSessionInstanceId(env,thiz))) + { + LOGE("## initInboundGroupSessionWithSessionKeyJni(): failure - invalid inbound group session instance"); + } + else if(0 == aSessionKey) + { + LOGE("## initInboundGroupSessionWithSessionKeyJni(): failure - invalid aSessionKey"); + } + else if(NULL == (sessionKeyPtr = (const uint8_t *)env->GetStringUTFChars(aSessionKey, 0))) + { + LOGE("## initInboundSessionFromIdKeyJni(): failure - session key JNI allocation OOM"); + } + else + { + size_t sessionKeyLength = (size_t)env->GetStringUTFLength(aSessionKey); + LOGD("## initInboundSessionFromIdKeyJni(): sessionKeyLength=%lu",sessionKeyLength); + + sessionResult = olm_init_inbound_group_session(sessionPtr, sessionKeyPtr, sessionKeyLength); + if(sessionResult == olm_error()) { + const char *errorMsgPtr = olm_inbound_group_session_last_error(sessionPtr); + LOGE("## initInboundSessionFromIdKeyJni(): failure - init inbound session creation Msg=%s",errorMsgPtr); + } + else + { + retCode = ERROR_CODE_OK; + LOGD("## initInboundSessionFromIdKeyJni(): success - result=%lu", sessionResult); + } + } + + // free local alloc + if(NULL!= sessionKeyPtr) + { + env->ReleaseStringUTFChars(aSessionKey, (const char*)sessionKeyPtr); + } + + return retCode; +} + + +JNIEXPORT jstring OLM_INBOUND_GROUP_SESSION_FUNC_DEF(sessionIdentifierJni)(JNIEnv *env, jobject thiz) +{ + OlmInboundGroupSession *sessionPtr = NULL; + uint8_t *sessionIdPtr = NULL; + jstring returnValueStr=0; + + // get the size to alloc to contain the id + size_t lengthSessionId = olm_inbound_group_session_id_length(sessionPtr); + + if(NULL == (sessionPtr = (OlmInboundGroupSession*)getInboundGroupSessionInstanceId(env,thiz))) + { + LOGE("## sessionIdentifierJni(): failure - invalid inbound group session instance"); + } + else if(NULL == (sessionIdPtr = (uint8_t*)malloc(lengthSessionId*sizeof(uint8_t)))) + { + LOGE("## sessionIdentifierJni(): failure - identifier allocation OOM"); + } + else + { + size_t result = olm_inbound_group_session_id(sessionPtr, sessionIdPtr, lengthSessionId); + if (result == olm_error()) + { + const char *errorMsgPtr = olm_inbound_group_session_last_error(sessionPtr); + LOGE("## sessionIdentifierJni(): failure - get session identifier failure Msg=%s",errorMsgPtr); + } + else + { + // update length + sessionIdPtr[result] = static_cast('\0'); + + LOGD("## sessionIdentifierJni(): success - result=%lu sessionId=%s",result, (char*)sessionIdPtr); + returnValueStr = env->NewStringUTF((const char*)sessionIdPtr); + } + free(sessionIdPtr); + } + + return returnValueStr; +} + +JNIEXPORT jstring OLM_INBOUND_GROUP_SESSION_FUNC_DEF(decryptMessageJni)(JNIEnv *env, jobject thiz, jstring aEncryptedMsg) +{ + jstring decryptedMsgRetValue = 0; + OlmInboundGroupSession *sessionPtr = NULL; + const char *encryptedMsgPtr = NULL; + uint8_t *plainTextMsgPtr = NULL; + uint8_t *tempEncryptedPtr = NULL; + + LOGD("## decryptMessageJni(): IN"); + + if(NULL == (sessionPtr = (OlmInboundGroupSession*)getInboundGroupSessionInstanceId(env,thiz))) + { + LOGE("## decryptMessageJni(): failure - invalid inbound group session ptr=NULL"); + } + else if(0 == aEncryptedMsg) + { + LOGE("## decryptMessageJni(): failure - invalid clear message"); + } + else if(0 == (encryptedMsgPtr = env->GetStringUTFChars(aEncryptedMsg, 0))) + { + LOGE("## decryptMessageJni(): failure - encrypted message JNI allocation OOM"); + } + else + { + // get encrypted message length + size_t encryptedMsgLength = (size_t)env->GetStringUTFLength(aEncryptedMsg); + + // create a dedicated temp buffer to be used in next Olm API calls + if(NULL == (tempEncryptedPtr = static_cast(malloc(encryptedMsgLength*sizeof(uint8_t))))) + { + LOGE("## decryptMessageJni(): failure - tempEncryptedPtr allocation OOM"); + } + else + { + memcpy(tempEncryptedPtr, encryptedMsgPtr, encryptedMsgLength); + LOGD("## decryptMessageJni(): encryptedMsgLength=%lu encryptedMsg=%s",encryptedMsgLength,encryptedMsgPtr); + + // get max plaintext length + size_t maxPlainTextLength = olm_group_decrypt_max_plaintext_length(sessionPtr, + tempEncryptedPtr, + encryptedMsgLength); + if(maxPlainTextLength == olm_error()) + { + const char *errorMsgPtr = olm_inbound_group_session_last_error(sessionPtr); + LOGE("## decryptMessageJni(): failure - olm_group_decrypt_max_plaintext_length Msg=%s",errorMsgPtr); + } + else + { + LOGD("## decryptMessageJni(): maxPlaintextLength=%lu",maxPlainTextLength); + + // allocate output decrypted message + plainTextMsgPtr = static_cast(malloc(maxPlainTextLength*sizeof(uint8_t))); + + // decrypt, but before reload encrypted buffer (previous one was destroyed) + memcpy(tempEncryptedPtr, encryptedMsgPtr, encryptedMsgLength); + size_t plaintextLength = olm_group_decrypt(sessionPtr, + tempEncryptedPtr, + encryptedMsgLength, + plainTextMsgPtr, + maxPlainTextLength); + if(plaintextLength == olm_error()) + { + const char *errorMsgPtr = olm_inbound_group_session_last_error(sessionPtr); + LOGE("## decryptMessageJni(): failure - olm_group_decrypt Msg=%s",errorMsgPtr); + } + else + { + // update decrypted buffer size + plainTextMsgPtr[plaintextLength] = static_cast('\0'); + + LOGD("## decryptMessageJni(): decrypted returnedLg=%lu plainTextMsgPtr=%s",plaintextLength, (char*)plainTextMsgPtr); + decryptedMsgRetValue = env->NewStringUTF((const char*)plainTextMsgPtr); + } + } + } + } + + // free alloc + if(NULL != encryptedMsgPtr) + { + env->ReleaseStringUTFChars(aEncryptedMsg, encryptedMsgPtr); + } + + if(NULL != tempEncryptedPtr) + { + free(tempEncryptedPtr); + } + + if(NULL != plainTextMsgPtr) + { + free(plainTextMsgPtr); + } + + return decryptedMsgRetValue; +} + + + diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_inbound_group_session.h b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_inbound_group_session.h new file mode 100644 index 0000000..1eb8238 --- /dev/null +++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_inbound_group_session.h @@ -0,0 +1,43 @@ +/* + * Copyright 2016 OpenMarket Ltd + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef _OMLINBOUND_GROUP_SESSION_H +#define _OMLINBOUND_GROUP_SESSION_H + +#include "olm_jni.h" +#include "olm/olm.h" +#include "olm/inbound_group_session.h" + +#define OLM_INBOUND_GROUP_SESSION_FUNC_DEF(func_name) FUNC_DEF(OlmInboundGroupSession,func_name) + +#ifdef __cplusplus +extern "C" { +#endif + +// session creation/destruction +JNIEXPORT void OLM_INBOUND_GROUP_SESSION_FUNC_DEF(releaseSessionJni)(JNIEnv *env, jobject thiz); +JNIEXPORT jlong OLM_INBOUND_GROUP_SESSION_FUNC_DEF(initNewSessionJni)(JNIEnv *env, jobject thiz); + +JNIEXPORT jint OLM_INBOUND_GROUP_SESSION_FUNC_DEF(initInboundGroupSessionWithSessionKeyJni)(JNIEnv *env, jobject thiz, jstring aSessionKey); +JNIEXPORT jstring OLM_INBOUND_GROUP_SESSION_FUNC_DEF(sessionIdentifierJni)(JNIEnv *env, jobject thiz); +JNIEXPORT jstring OLM_INBOUND_GROUP_SESSION_FUNC_DEF(decryptMessageJni)(JNIEnv *env, jobject thiz, jstring aEncryptedMsg); + + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_jni.h b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_jni.h index 38269f9..8f1555d 100644 --- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_jni.h +++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_jni.h @@ -25,7 +25,6 @@ #include #include -#include "olm/olm.h" #define TAG "OlmJniNative" @@ -54,11 +53,4 @@ static const int ERROR_CODE_KO = -1; // constants static const int ACCOUNT_CREATION_RANDOM_MODULO = 256; - -typedef struct _AccountContext -{ - OlmAccount* mAccountPtr; - _AccountContext(): mAccountPtr(NULL){} -} AccountContext; - #endif diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_outbound_group_session.cpp b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_outbound_group_session.cpp new file mode 100644 index 0000000..40af39d --- /dev/null +++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_outbound_group_session.cpp @@ -0,0 +1,293 @@ +/* + * Copyright 2016 OpenMarket Ltd + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "olm_outbound_group_session.h" +#include "olm_utility.h" + + +/** + * Release the session allocation made by initializeOutboundGroupSessionMemory().
+ * This method MUST be called when java counter part account instance is done. + * + */ +JNIEXPORT void OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(releaseSessionJni)(JNIEnv *env, jobject thiz) +{ + OlmOutboundGroupSession* sessionPtr = NULL; + + LOGD("## releaseSessionJni(): sessionPtr=%p",sessionPtr); + + if(NULL == (sessionPtr = (OlmOutboundGroupSession*)getOutboundGroupSessionInstanceId(env,thiz))) + { + LOGE("## releaseSessionJni(): failure - invalid inbound group session instance"); + } + else + { + size_t retCode = olm_clear_outbound_group_session(sessionPtr); + LOGD("## releaseSessionJni(): clear_inbound_group_session=%lu",retCode); + + LOGD("## releaseSessionJni(): IN"); + free(sessionPtr); + LOGD("## releaseSessionJni(): OUT"); + } +} + +/** +* Initialize a new outbound group session and return it to JAVA side.
+* Since a C prt is returned as a jlong, special care will be taken +* to make the cast (OlmOutboundGroupSession* => jlong) platform independent. +* @return the initialized OlmOutboundGroupSession* instance if init succeed, NULL otherwise +**/ +JNIEXPORT jlong OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(initNewSessionJni)(JNIEnv *env, jobject thiz) +{ + OlmOutboundGroupSession* sessionPtr = NULL; + size_t sessionSize = olm_outbound_group_session_size(); + + if(0 == sessionSize) + { + LOGE("## initNewSessionJni(): failure - outbound group session size = 0"); + } + else if(NULL != (sessionPtr=(OlmOutboundGroupSession*)malloc(sessionSize))) + { + sessionPtr = olm_outbound_group_session(sessionPtr); + LOGD("## initNewSessionJni(): success - outbound group session size=%lu",sessionSize); + } + else + { + LOGE("## initNewSessionJni(): failure - outbound group session OOM"); + } + + return (jlong)(intptr_t)sessionPtr; +} + +/** + * Create a new outbound session.
+ * @return ERROR_CODE_OK if operation succeed, ERROR_CODE_KO otherwise + */ +JNIEXPORT jint OLM_INBOUND_GROUP_SESSION_FUNC_DEF(initOutboundGroupSessionJni)(JNIEnv *env, jobject thiz) +{ + jint retCode = ERROR_CODE_KO; + OlmOutboundGroupSession *sessionPtr = NULL; + uint8_t *randomBuffPtr = NULL; + size_t sessionResult; + + if(NULL == (sessionPtr = (OlmOutboundGroupSession*)getOutboundGroupSessionInstanceId(env,thiz))) + { + LOGE("## initOutboundGroupSessionJni(): failure - invalid inbound group session instance"); + } + else + { + // compute random buffer + size_t randomLength = olm_init_outbound_group_session_random_length(sessionPtr); + + if((0!=randomLength) && !setRandomInBuffer(&randomBuffPtr, randomLength)) + { + LOGE("## initOutboundGroupSessionJni(): failure - random buffer init"); + } + else + { + if(0==randomLength) + { + LOGW("## initOutboundGroupSessionJni(): random buffer is not required"); + } + + size_t sessionResult = olm_init_outbound_group_session(sessionPtr, sessionKeyPtr, sessionKeyLength); + if(sessionResult == olm_error()) { + const char *errorMsgPtr = olm_inbound_group_session_last_error(sessionPtr); + LOGE("## initInboundSessionFromIdKeyJni(): failure - init inbound session creation Msg=%s",errorMsgPtr); + } + else + { + retCode = ERROR_CODE_OK; + LOGD("## initInboundSessionFromIdKeyJni(): success - result=%lu", sessionResult); + } + + + } + } + + + else if(0 == aSessionKey) + { + LOGE("## initInboundGroupSessionWithSessionKeyJni(): failure - invalid aSessionKey"); + } + else if(NULL == (sessionKeyPtr = (const uint8_t *)env->GetStringUTFChars(aSessionKey, 0))) + { + LOGE("## initInboundSessionFromIdKeyJni(): failure - session key JNI allocation OOM"); + } + else + { + size_t sessionKeyLength = (size_t)env->GetStringUTFLength(aSessionKey); + LOGD("## initInboundSessionFromIdKeyJni(): sessionKeyLength=%lu",sessionKeyLength); + + sessionResult = olm_init_inbound_group_session(sessionPtr, sessionKeyPtr, sessionKeyLength); + if(sessionResult == olm_error()) { + const char *errorMsgPtr = olm_inbound_group_session_last_error(sessionPtr); + LOGE("## initInboundSessionFromIdKeyJni(): failure - init inbound session creation Msg=%s",errorMsgPtr); + } + else + { + retCode = ERROR_CODE_OK; + LOGD("## initInboundSessionFromIdKeyJni(): success - result=%lu", sessionResult); + } + } + + // free local alloc + if(NULL!= sessionKeyPtr) + { + env->ReleaseStringUTFChars(aSessionKey, (const char*)sessionKeyPtr); + } + + return retCode; +} + + +JNIEXPORT jstring OLM_INBOUND_GROUP_SESSION_FUNC_DEF(sessionIdentifierJni)(JNIEnv *env, jobject thiz) +{ + OlmInboundGroupSession *sessionPtr = NULL; + uint8_t *sessionIdPtr = NULL; + jstring returnValueStr=0; + + // get the size to alloc to contain the id + size_t lengthSessionId = olm_inbound_group_session_id_length(sessionPtr); + + if(NULL == (sessionPtr = (OlmInboundGroupSession*)getInboundGroupSessionInstanceId(env,thiz))) + { + LOGE("## sessionIdentifierJni(): failure - invalid inbound group session instance"); + } + else if(NULL == (sessionIdPtr = (uint8_t*)malloc(lengthSessionId*sizeof(uint8_t)))) + { + LOGE("## sessionIdentifierJni(): failure - identifier allocation OOM"); + } + else + { + size_t result = olm_inbound_group_session_id(sessionPtr, sessionIdPtr, lengthSessionId); + if (result == olm_error()) + { + const char *errorMsgPtr = olm_inbound_group_session_last_error(sessionPtr); + LOGE("## sessionIdentifierJni(): failure - get session identifier failure Msg=%s",errorMsgPtr); + } + else + { + // update length + sessionIdPtr[result] = static_cast('\0'); + + LOGD("## sessionIdentifierJni(): success - result=%lu sessionId=%s",result, (char*)sessionIdPtr); + returnValueStr = env->NewStringUTF((const char*)sessionIdPtr); + } + free(sessionIdPtr); + } + + return returnValueStr; +} + +JNIEXPORT jstring OLM_INBOUND_GROUP_SESSION_FUNC_DEF(decryptMessageJni)(JNIEnv *env, jobject thiz, jstring aEncryptedMsg) +{ + jstring decryptedMsgRetValue = 0; + OlmInboundGroupSession *sessionPtr = NULL; + const char *encryptedMsgPtr = NULL; + uint8_t *plainTextMsgPtr = NULL; + uint8_t *tempEncryptedPtr = NULL; + + LOGD("## decryptMessageJni(): IN"); + + if(NULL == (sessionPtr = (OlmInboundGroupSession*)getInboundGroupSessionInstanceId(env,thiz))) + { + LOGE("## decryptMessageJni(): failure - invalid inbound group session ptr=NULL"); + } + else if(0 == aEncryptedMsg) + { + LOGE("## decryptMessageJni(): failure - invalid clear message"); + } + else if(0 == (encryptedMsgPtr = env->GetStringUTFChars(aEncryptedMsg, 0))) + { + LOGE("## decryptMessageJni(): failure - encrypted message JNI allocation OOM"); + } + else + { + // get encrypted message length + size_t encryptedMsgLength = (size_t)env->GetStringUTFLength(aEncryptedMsg); + + // create a dedicated temp buffer to be used in next Olm API calls + if(NULL == (tempEncryptedPtr = static_cast(malloc(encryptedMsgLength*sizeof(uint8_t))))) + { + LOGE("## decryptMessageJni(): failure - tempEncryptedPtr allocation OOM"); + } + else + { + memcpy(tempEncryptedPtr, encryptedMsgPtr, encryptedMsgLength); + LOGD("## decryptMessageJni(): encryptedMsgLength=%lu encryptedMsg=%s",encryptedMsgLength,encryptedMsgPtr); + + // get max plaintext length + size_t maxPlainTextLength = olm_group_decrypt_max_plaintext_length(sessionPtr, + tempEncryptedPtr, + encryptedMsgLength); + if(maxPlainTextLength == olm_error()) + { + const char *errorMsgPtr = olm_inbound_group_session_last_error(sessionPtr); + LOGE("## decryptMessageJni(): failure - olm_group_decrypt_max_plaintext_length Msg=%s",errorMsgPtr); + } + else + { + LOGD("## decryptMessageJni(): maxPlaintextLength=%lu",maxPlainTextLength); + + // allocate output decrypted message + plainTextMsgPtr = static_cast(malloc(maxPlainTextLength*sizeof(uint8_t))); + + // decrypt, but before reload encrypted buffer (previous one was destroyed) + memcpy(tempEncryptedPtr, encryptedMsgPtr, encryptedMsgLength); + size_t plaintextLength = olm_group_decrypt(sessionPtr, + tempEncryptedPtr, + encryptedMsgLength, + plainTextMsgPtr, + maxPlainTextLength); + if(plaintextLength == olm_error()) + { + const char *errorMsgPtr = olm_inbound_group_session_last_error(sessionPtr); + LOGE("## decryptMessageJni(): failure - olm_group_decrypt Msg=%s",errorMsgPtr); + } + else + { + // update decrypted buffer size + plainTextMsgPtr[plaintextLength] = static_cast('\0'); + + LOGD("## decryptMessageJni(): decrypted returnedLg=%lu plainTextMsgPtr=%s",plaintextLength, (char*)plainTextMsgPtr); + decryptedMsgRetValue = env->NewStringUTF((const char*)plainTextMsgPtr); + } + } + } + } + + // free alloc + if(NULL != encryptedMsgPtr) + { + env->ReleaseStringUTFChars(aEncryptedMsg, encryptedMsgPtr); + } + + if(NULL != tempEncryptedPtr) + { + free(tempEncryptedPtr); + } + + if(NULL != plainTextMsgPtr) + { + free(plainTextMsgPtr); + } + + return decryptedMsgRetValue; +} + + + diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_outbound_group_session.h b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_outbound_group_session.h new file mode 100644 index 0000000..1270dc2 --- /dev/null +++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_outbound_group_session.h @@ -0,0 +1,43 @@ +/* + * Copyright 2016 OpenMarket Ltd + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef _OMLOUTBOUND_GROUP_SESSION_H +#define _OMLOUTBOUND_GROUP_SESSION_H + +#include "olm_jni.h" +#include "olm/olm.h" +#include "olm/outbound_group_session.h" + +#define OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(func_name) FUNC_DEF(OlmOutboundGroupSession,func_name) + +#ifdef __cplusplus +extern "C" { +#endif + +// session creation/destruction +JNIEXPORT void OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(releaseSessionJni)(JNIEnv *env, jobject thiz); +JNIEXPORT jlong OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(initNewSessionJni)(JNIEnv *env, jobject thiz); + +JNIEXPORT jint OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(initOutboundGroupSessionJni)(JNIEnv *env, jobject thiz, jstring aSessionKey); +JNIEXPORT jstring OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(sessionIdentifierJni)(JNIEnv *env, jobject thiz); +JNIEXPORT jstring OLM_OUTBOUND_GROUP_SESSION_FUNC_DEF(decryptMessageJni)(JNIEnv *env, jobject thiz, jstring aEncryptedMsg); + + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.cpp b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.cpp index d33ab72..435540c 100644 --- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.cpp +++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.cpp @@ -458,7 +458,7 @@ JNIEXPORT jint OLM_SESSION_FUNC_DEF(encryptMessageJni)(JNIEnv *env, jobject thiz } else if(0 == aEncryptedMsg) { - LOGE("## encryptMessageJni(): failure - invalid clear message"); + LOGE("## encryptMessageJni(): failure - invalid encrypted message"); } else if(NULL == (clearMsgPtr = env->GetStringUTFChars(aClearMsg, 0))) { @@ -587,11 +587,11 @@ JNIEXPORT jstring OLM_SESSION_FUNC_DEF(decryptMessageJni)(JNIEnv *env, jobject t } else if(0 == aEncryptedMsg) { - LOGE("## decryptMessageJni(): failure - invalid clear message"); + LOGE("## decryptMessageJni(): failure - invalid encrypted message"); } else if(0 == (encryptedMsgJclass = env->GetObjectClass(aEncryptedMsg))) { - LOGE("## decryptMessageJni(): failure - unable to get crypted message class"); + LOGE("## decryptMessageJni(): failure - unable to get encrypted message class"); } else if(0 == (encryptedMsgFieldId = env->GetFieldID(encryptedMsgJclass,"mCipherText","Ljava/lang/String;"))) { @@ -644,7 +644,7 @@ JNIEXPORT jstring OLM_SESSION_FUNC_DEF(decryptMessageJni)(JNIEnv *env, jobject t memcpy(tempEncryptedPtr, encryptedMsgPtr, encryptedMsgLength); size_t plaintextLength = olm_decrypt(sessionPtr, encryptedMsgType, - (void*)encryptedMsgPtr, + (void*)tempEncryptedPtr, encryptedMsgLength, plainTextMsgPtr, maxPlainTextLength); @@ -717,7 +717,7 @@ JNIEXPORT jstring OLM_SESSION_FUNC_DEF(getSessionIdentifierJni)(JNIEnv *env, job } else { - // update decrypted buffer size + // update length (static_cast(sessionIdPtr))[result] = static_cast('\0'); LOGD("## getSessionIdentifierJni(): success - result=%lu sessionId=%s",result, (char*)sessionIdPtr); diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.h b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.h index babb3bd..f79dcaa 100644 --- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.h +++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.h @@ -18,6 +18,7 @@ #define _OMLSESSION_H #include "olm_jni.h" +#include "olm/olm.h" #define OLM_SESSION_FUNC_DEF(func_name) FUNC_DEF(OlmSession,func_name) diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.cpp b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.cpp index c27fe7c..bd920fe 100644 --- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.cpp +++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.cpp @@ -101,7 +101,7 @@ jlong getAccountInstanceId(JNIEnv* aJniEnv, jobject aJavaObject) } /** -* Read the account instance ID of the calling object (aJavaObject).
+* Read the session instance ID of the calling object (aJavaObject).
* @param aJniEnv pointer pointing on the JNI function table * @param aJavaObject reference to the object on which the method is invoked * @return the instance ID if read succeed, -1 otherwise. @@ -139,3 +139,83 @@ jlong getSessionInstanceId(JNIEnv* aJniEnv, jobject aJavaObject) //LOGD("## getSessionInstanceId() success - instanceId=%lld",instanceId); return instanceId; } + + +/** +* Read the inbound group session instance ID of the calling object (aJavaObject).
+* @param aJniEnv pointer pointing on the JNI function table +* @param aJavaObject reference to the object on which the method is invoked +* @return the instance ID if read succeed, -1 otherwise. +**/ +jlong getInboundGroupSessionInstanceId(JNIEnv* aJniEnv, jobject aJavaObject) +{ + jlong instanceId=-1; + jfieldID instanceIdField; + jclass loaderClass; + + if(NULL!=aJniEnv) + { + if(0 != (loaderClass=aJniEnv->GetObjectClass(aJavaObject))) + { + if(0 != (instanceIdField=aJniEnv->GetFieldID(loaderClass, "mNativeOlmInboundGroupSessionId", "J"))) + { + instanceId = aJniEnv->GetLongField(aJavaObject, instanceIdField); + aJniEnv->DeleteLocalRef(loaderClass); + } + else + { + LOGD("## getSessionInstanceId() ERROR! GetFieldID=null"); + } + } + else + { + LOGD("## getSessionInstanceId() ERROR! GetObjectClass=null"); + } + } + else + { + LOGD("## getSessionInstanceId() ERROR! aJniEnv=NULL"); + } + + return instanceId; +} + + +/** +* Read the outbound group session instance ID of the calling object (aJavaObject).
+* @param aJniEnv pointer pointing on the JNI function table +* @param aJavaObject reference to the object on which the method is invoked +* @return the instance ID if read succeed, -1 otherwise. +**/ +jlong getOutboundGroupSessionInstanceId(JNIEnv* aJniEnv, jobject aJavaObject) +{ + jlong instanceId=-1; + jfieldID instanceIdField; + jclass loaderClass; + + if(NULL!=aJniEnv) + { + if(0 != (loaderClass=aJniEnv->GetObjectClass(aJavaObject))) + { + if(0 != (instanceIdField=aJniEnv->GetFieldID(loaderClass, "mNativeOlmOutboundGroupSessionId", "J"))) + { + instanceId = aJniEnv->GetLongField(aJavaObject, instanceIdField); + aJniEnv->DeleteLocalRef(loaderClass); + } + else + { + LOGD("## getSessionInstanceId() ERROR! GetFieldID=null"); + } + } + else + { + LOGD("## getSessionInstanceId() ERROR! GetObjectClass=null"); + } + } + else + { + LOGD("## getSessionInstanceId() ERROR! aJniEnv=NULL"); + } + + return instanceId; +} diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.h b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.h index bf35955..b16e915 100644 --- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.h +++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.h @@ -25,6 +25,7 @@ extern "C" { bool setRandomInBuffer(uint8_t **aBuffer2Ptr, size_t aRandomSize); jlong getSessionInstanceId(JNIEnv* aJniEnv, jobject aJavaObject); jlong getAccountInstanceId(JNIEnv* aJniEnv, jobject aJavaObject); +jlong getInboundGroupSessionInstanceId(JNIEnv* aJniEnv, jobject aJavaObject); #ifdef __cplusplus } -- cgit v1.2.3