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60 lines
2.4 KiB
60 lines
2.4 KiB
/* Copyright 2017 The Android Open Source Project |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY |
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ |
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#include <android/system/wifi/keystore/1.0/IKeystore.h> |
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#include <log/log.h> |
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#include <keystore/keystore_get.h> |
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using namespace android; |
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using android::hardware::hidl_string; |
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using android::hardware::hidl_vec; |
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using android::hardware::Return; |
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using android::sp; |
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using android::system::wifi::keystore::V1_0::IKeystore; |
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ssize_t keystore_get(const char *key, size_t keyLength, uint8_t** value) { |
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if (key == NULL || keyLength == 0 || value == NULL) { |
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ALOGE("Null pointer argument passed"); |
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return -1; |
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} |
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sp<IKeystore> service = IKeystore::tryGetService(); |
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if (service == NULL) { |
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ALOGE("could not contact keystore HAL"); |
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return -1; |
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} |
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ssize_t return_size; |
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bool success = false; |
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auto cb = [&](IKeystore::KeystoreStatusCode status, hidl_vec<uint8_t> returnedValue) { |
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if (status == IKeystore::KeystoreStatusCode::SUCCESS) { |
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return_size = returnedValue.size(); |
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*value = returnedValue.releaseData(); |
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success = true; |
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} |
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}; |
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Return<void> ret = service->getBlob(hidl_string(key, keyLength), cb); |
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return ret.isOk() && success ? return_size : -1; |
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}
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