69 lines
2.6 KiB
C++
69 lines
2.6 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "chre/platform/shared/nanoapp_dso_util.h"
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#include <chre/version.h>
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#include <cinttypes>
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#include <cstring>
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#include "chre/platform/log.h"
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namespace chre {
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bool validateAppInfo(uint64_t expectedAppId, uint32_t expectedAppVersion,
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uint32_t expectedTargetApiVersion,
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const struct chreNslNanoappInfo *appInfo) {
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uint32_t ourApiMajorVersion = CHRE_EXTRACT_MAJOR_VERSION(chreGetApiVersion());
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uint32_t targetApiMajorVersion =
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CHRE_EXTRACT_MAJOR_VERSION(appInfo->targetApiVersion);
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bool success = false;
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if (appInfo->magic != CHRE_NSL_NANOAPP_INFO_MAGIC) {
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LOGE("Invalid app info magic: got 0x%08" PRIx32 " expected 0x%08" PRIx32,
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appInfo->magic, static_cast<uint32_t>(CHRE_NSL_NANOAPP_INFO_MAGIC));
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} else if (appInfo->appId == 0) {
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LOGE("Rejecting invalid app ID 0");
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} else if (expectedAppId != 0 && expectedAppId != appInfo->appId) {
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LOGE("Expected app ID (0x%016" PRIx64
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") doesn't match internal one (0x%016" PRIx64 ")",
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expectedAppId, appInfo->appId);
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} else if (expectedAppVersion != appInfo->appVersion) {
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LOGE("Expected app version (0x%" PRIx32
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") doesn't match internal one (0x%" PRIx32 ")",
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expectedAppVersion, appInfo->appVersion);
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} else if (expectedTargetApiVersion != appInfo->targetApiVersion) {
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LOGE("Expected target API version (0x%" PRIx32
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") doesn't match"
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" internal one (0x%" PRIx32 ")",
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expectedTargetApiVersion, appInfo->targetApiVersion);
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} else if (targetApiMajorVersion != ourApiMajorVersion) {
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LOGE("App targets a different major API version (%" PRIu32
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") than what we provide (%" PRIu32 ")",
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targetApiMajorVersion, ourApiMajorVersion);
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} else if (strlen(appInfo->name) > CHRE_NSL_DSO_NANOAPP_STRING_MAX_LEN) {
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LOGE("App name is too long");
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} else if (strlen(appInfo->vendor) > CHRE_NSL_DSO_NANOAPP_STRING_MAX_LEN) {
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LOGE("App vendor is too long");
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} else {
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success = true;
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}
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return success;
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}
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} // namespace chre
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