tests/tests/security/native/utils.cpp

/*
 * Copyright (C) 2021 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 <string>

#include "utils.h"

 // Returns true iff the device has the specified feature.
bool deviceSupportsFeature(const char *feature) {
  bool device_supports_feature = false;
  FILE *p = popen("/system/bin/pm list features", "re");
  if (p) {
    char *line = NULL;
    size_t len = 0;
    while (getline(&line, &len, p) > 0) {
      if (strstr(line, feature)) {
        device_supports_feature = true;
        break;
      }
    }
    pclose(p);
  }
  return device_supports_feature;
}