Function permission_handler

src/traffic_layout/engine.cc:420–530

check permission for verify

// check permission for verify
static int
permission_handler(const char *path, const struct stat *s, int flag)
{
  std::string cur_directory = permission_entry.name;
  // filter traffic server related files
  if (!filter_ts_files(cur_directory, path)) {
    return 0;
  }
  if (flag == FTW_NS || !s) {
    ink_warning("unable to stat() destination path %s - %s", path, strerror(errno));
    return -1;
  }

  int ret = 0;
  // --------- for directories ---------
  if (flag == FTW_D || flag == FTW_DNR) {
    // always need read permission for directories
    if (!(s->st_mode & permission_entry.r_mode)) {
      if (fix_flag) {
        if (chmod(path, s->st_mode | permission_entry.r_mode) < 0) {
          ink_warning("Unable to change file mode on %s - %s", path, strerror(errno));
        } else {
          std::cout << "Fixed read permission: " << path << std::endl;
        }
      } else {
        std::cout << "Read permission failed for directory: " << path << std::endl;
        ret = -1;
      }
    }
    // need write permission for logdir, runtimedir and cachedir
    if (cur_directory == LAYOUT_LOGDIR || cur_directory == LAYOUT_RUNTIMEDIR || cur_directory == LAYOUT_CACHEDIR) {
      if (!(s->st_mode & permission_entry.w_mode)) {
        if (fix_flag) {
          if (chmod(path, s->st_mode | permission_entry.w_mode) < 0) {
            ink_warning("Unable to change file mode on %s - %s", path, strerror(errno));
          } else {
            std::cout << "Fixed write permission: " << path << std::endl;
          }
        } else {
          std::cout << "Write permission failed for directory: " << path << std::endl;
          ret = -1;
        }
      }
    }
    // always need execute permission for directories
    if (!(s->st_mode & permission_entry.e_mode)) {
      if (fix_flag) {
        if (chmod(path, s->st_mode | permission_entry.e_mode) < 0) {
          ink_warning("Unable to change file mode on %s - %s", path, strerror(errno));
        } else {
          std::cout << "Fixed execute permission: " << path << std::endl;
        }
      } else {
        std::cout << "Execute permission failed for directory: " << path << std::endl;
        ret = -1;
      }
    }
  } else {