| // Copyright 2022 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef MOJO_SERVICE_MANAGER_DAEMON_DAEMON_H_ |
| #define MOJO_SERVICE_MANAGER_DAEMON_DAEMON_H_ |
| |
| #include <memory> |
| #include <string> |
| |
| #include <base/files/file_descriptor_watcher_posix.h> |
| #include <base/files/file_path.h> |
| #include <base/files/scoped_file.h> |
| #include <brillo/daemons/daemon.h> |
| #include <mojo/core/embedder/scoped_ipc_support.h> |
| |
| #include "mojo_service_manager/daemon/configuration.h" |
| #include "mojo_service_manager/daemon/service_manager.h" |
| #include "mojo_service_manager/daemon/service_policy.h" |
| |
| namespace chromeos { |
| namespace mojo_service_manager { |
| |
| // The pipe name used by mojo invitation. |
| inline constexpr int kMojoInvitationPipeName = 0; |
| |
| // Exported for testing. |
| std::string GetSEContextStringFromChar(const char* buf, size_t len); |
| |
| // Sets up threading environment and initializes unix socket server of the |
| // service manager daemon. |
| class Daemon : public brillo::Daemon { |
| public: |
| class Delegate { |
| public: |
| Delegate(); |
| Delegate(const Delegate&) = delete; |
| Delegate& operator=(const Delegate&) = delete; |
| virtual ~Delegate(); |
| |
| // Calls |getsockopt| system call. |
| virtual int GetSockOpt(const base::ScopedFD& socket, |
| int level, |
| int optname, |
| void* optval, |
| socklen_t* optlen) const; |
| }; |
| |
| Daemon(Delegate* delegate, |
| const base::FilePath& socket_path, |
| Configuration configuration, |
| ServicePolicyMap policy_map); |
| Daemon(const Daemon&) = delete; |
| Daemon& operator=(const Daemon&) = delete; |
| ~Daemon() override; |
| |
| private: |
| // ::brillo::Daemon overrides. |
| int OnInit() override; |
| void OnShutdown(int* exit_code) override; |
| |
| // Sends mojo invitation to the peer socket and binds the receiver of |
| // mojom::ServiceManager. |
| void SendMojoInvitationAndBindReceiver(); |
| |
| // Gets the identity of the remote process of the peer socket. |
| mojom::ProcessIdentityPtr GetProcessIdentityFromPeerSocket( |
| const base::ScopedFD& peer) const; |
| |
| // The |ScopedIPCSupport| instance for mojo. |
| mojo::core::ScopedIPCSupport ipc_support_; |
| // Accesses Delegate. |
| Delegate* const delegate_; |
| // The path to the unix socket of the daemon. |
| const base::FilePath socket_path_; |
| // The fd of the unix socket server of the daemon. |
| base::ScopedFD socket_fd_; |
| // The fd watcher to monitor the socket server. |
| std::unique_ptr<base::FileDescriptorWatcher::Controller> socket_watcher_; |
| // Implements mojom::ServiceManager. |
| ServiceManager service_manager_; |
| }; |
| |
| } // namespace mojo_service_manager |
| } // namespace chromeos |
| |
| #endif // MOJO_SERVICE_MANAGER_DAEMON_DAEMON_H_ |