Commit 9700cccd authored by Marc Vef's avatar Marc Vef Committed by Alberto Miranda
Browse files

daemon: checking access permissions for chunk directory during startup

parent 11f4107c

src/daemon/backend/data/chunk_storage.cpp

+6 −5
Original line number Diff line number Diff line
@@ -79,11 +79,12 @@ ChunkStorage::ChunkStorage(string& path, const size_t chunksize) : 
    log_ = spdlog::get(LOGGER_NAME);

    assert(log_);

    assert(gkfs::path::is_absolute(root_path_));

    // Verify that we have sufficient write access

    // This will throw on error, canceling daemon initialization

    auto test_file_path = "/.__chunk_dir_test"s;

    init_chunk_space(test_file_path);

    destroy_chunk_space(test_file_path);

    // Verify that we have sufficient access for chunk directories

    if (access(root_path_.c_str(), W_OK | R_OK) != 0) {

        auto err_str = fmt::format("{}() Insufficient permissions to create chunk directories in path '{}'", __func__,

                                   root_path_);

        throw ChunkStorageException(EPERM, err_str);

    }

    log_->debug("{}() Chunk storage initialized with path: '{}'", __func__, root_path_);

}