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/*
* Copyright (C) 2017 The Android Open Source Project
*
* 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 "chre/platform/shared/nanoapp_dso_util.h"
#include <chre/version.h>
#include <cinttypes>
#include <cstring>
#include "chre/platform/log.h"
namespace chre {
bool validateAppInfo(uint64_t expectedAppId, uint32_t expectedAppVersion,
const struct chreNslNanoappInfo *appInfo) {
uint32_t ourApiMajorVersion = CHRE_EXTRACT_MAJOR_VERSION(chreGetApiVersion());
uint32_t targetApiMajorVersion =
CHRE_EXTRACT_MAJOR_VERSION(appInfo->targetApiVersion);
bool success = false;
if (appInfo->magic != CHRE_NSL_NANOAPP_INFO_MAGIC) {
LOGE("Invalid app info magic: got 0x%08" PRIx32 " expected 0x%08" PRIx32,
appInfo->magic, static_cast<uint32_t>(CHRE_NSL_NANOAPP_INFO_MAGIC));
} else if (appInfo->appId == 0) {
LOGE("Rejecting invalid app ID 0");
} else if (expectedAppId != 0 && expectedAppId != appInfo->appId) {
LOGE("Expected app ID (0x%016" PRIx64
") doesn't match internal one (0x%016" PRIx64 ")",
expectedAppId, appInfo->appId);
} else if (expectedAppVersion != appInfo->appVersion) {
LOGE("Expected app version (0x%" PRIx32
") doesn't match internal one (0x%" PRIx32 ")",
expectedAppVersion, appInfo->appVersion);
} else if (targetApiMajorVersion != ourApiMajorVersion) {
LOGE("App targets a different major API version (%" PRIu32
") than what we provide (%" PRIu32 ")",
targetApiMajorVersion, ourApiMajorVersion);
} else if (strlen(appInfo->name) > CHRE_NSL_DSO_NANOAPP_STRING_MAX_LEN) {
LOGE("App name is too long");
} else if (strlen(appInfo->vendor) > CHRE_NSL_DSO_NANOAPP_STRING_MAX_LEN) {
LOGE("App vendor is too long");
} else {
success = true;
}
return success;
}
} // namespace chre
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