* Copyright (c) 2025 Huawei Device Co., 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 "utils/hmsf_utils.h"
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <cstdio>
namespace OHOS {
namespace AbilityRuntime {
#define HMFS_MONITOR_FL 0x00000002
#define HMF_IOCTL_HW_GET_FLAGS _IOR(0xf5, 70, unsigned int)
#define HMF_IOCTL_HW_SET_FLAGS _IOR(0xf5, 71, unsigned int)
void HmfsUtils::AddDeleteDfx(const std::string &path)
{
FILE *file = fopen(path.c_str(), "r");
int32_t fd = -1;
if (file) {
fd = fileno(file);
}
if (file == nullptr || fd < 0) {
TAG_LOGD(AAFwkTag::ABILITYMGR, "open dfx path %{public}s failed", path.c_str());
if (file) {
fclose(file);
}
return;
}
unsigned int flags = 0;
int32_t ret = ioctl(fd, HMF_IOCTL_HW_GET_FLAGS, &flags);
if (ret < 0) {
TAG_LOGD(AAFwkTag::ABILITYMGR, "check dfx flag path %{public}s failed errno:%{public}d", path.c_str(), errno);
fclose(file);
return;
}
if (flags & HMFS_MONITOR_FL) {
TAG_LOGD(AAFwkTag::ABILITYMGR, "Delete Control flag is already set");
fclose(file);
return;
}
flags |= HMFS_MONITOR_FL;
ret = ioctl(fd, HMF_IOCTL_HW_SET_FLAGS, &flags);
if (ret < 0) {
TAG_LOGW(AAFwkTag::ABILITYMGR, "Add dfx flag failed errno:%{public}d path %{public}s", errno, path.c_str());
fclose(file);
return;
}
TAG_LOGI(AAFwkTag::ABILITYMGR, "Delete Control flag of %{public}s is set succeed", path.c_str());
fclose(file);
return;
}
}
}