145 lines
4.5 KiB
C++
145 lines
4.5 KiB
C++
// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef LIBBRILLO_BRILLO_MINIJAIL_MINIJAIL_H_
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#define LIBBRILLO_BRILLO_MINIJAIL_MINIJAIL_H_
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#include <vector>
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extern "C" {
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#include <linux/capability.h>
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#include <sys/types.h>
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}
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#include <base/lazy_instance.h>
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#include <brillo/brillo_export.h>
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#include <libminijail.h>
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#include "base/macros.h"
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namespace brillo {
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// A Minijail abstraction allowing Minijail mocking in tests.
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class BRILLO_EXPORT Minijail {
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public:
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virtual ~Minijail();
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// This is a singleton -- use Minijail::GetInstance()->Foo().
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static Minijail* GetInstance();
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// minijail_new
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virtual struct minijail* New();
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// minijail_destroy
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virtual void Destroy(struct minijail* jail);
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// minijail_change_uid/minijail_change_gid
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virtual void DropRoot(struct minijail* jail, uid_t uid, gid_t gid);
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// minijail_change_user/minijail_change_group
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virtual bool DropRoot(struct minijail* jail,
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const char* user,
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const char* group);
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// minijail_namespace_pids
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virtual void EnterNewPidNamespace(struct minijail* jail);
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// minijail_mount_tmp
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virtual void MountTmp(struct minijail* jail);
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// minijail_use_seccomp_filter/minijail_no_new_privs/
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// minijail_parse_seccomp_filters
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virtual void UseSeccompFilter(struct minijail* jail, const char* path);
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// minijail_use_caps
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virtual void UseCapabilities(struct minijail* jail, uint64_t capmask);
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// minijail_reset_signal_mask
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virtual void ResetSignalMask(struct minijail* jail);
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// minijail_close_open_fds
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virtual void CloseOpenFds(struct minijail* jail);
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// minijail_preserve_fd
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virtual void PreserveFd(struct minijail* jail, int parent_fd, int child_fd);
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// minijail_enter
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virtual void Enter(struct minijail* jail);
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// minijail_run_pid
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virtual bool Run(struct minijail* jail, std::vector<char*> args, pid_t* pid);
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// minijail_run_pid and waitpid
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virtual bool RunSync(struct minijail* jail,
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std::vector<char*> args,
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int* status);
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// minijail_run_pid_pipes, with |pstdout_fd| and |pstderr_fd| set to NULL.
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virtual bool RunPipe(struct minijail* jail,
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std::vector<char*> args,
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pid_t* pid,
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int* stdin);
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// minijail_run_pid_pipes
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virtual bool RunPipes(struct minijail* jail,
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std::vector<char*> args,
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pid_t* pid,
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int* stdin,
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int* stdout,
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int* stderr);
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// minijail_run_env_pid_pipes
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virtual bool RunEnvPipes(struct minijail* jail,
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std::vector<char*> args,
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std::vector<char*> env,
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pid_t* pid,
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int* stdin,
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int* stdout,
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int* stderr);
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// Run() and Destroy()
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virtual bool RunAndDestroy(struct minijail* jail,
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std::vector<char*> args,
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pid_t* pid);
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// RunSync() and Destroy()
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virtual bool RunSyncAndDestroy(struct minijail* jail,
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std::vector<char*> args,
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int* status);
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// RunPipe() and Destroy()
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virtual bool RunPipeAndDestroy(struct minijail* jail,
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std::vector<char*> args,
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pid_t* pid,
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int* stdin);
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// RunPipes() and Destroy()
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virtual bool RunPipesAndDestroy(struct minijail* jail,
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std::vector<char*> args,
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pid_t* pid,
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int* stdin,
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int* stdout,
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int* stderr);
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// RunEnvPipes() and Destroy()
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virtual bool RunEnvPipesAndDestroy(struct minijail* jail,
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std::vector<char*> args,
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std::vector<char*> env,
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pid_t* pid,
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int* stdin,
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int* stdout,
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int* stderr);
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protected:
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Minijail();
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private:
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friend base::LazyInstanceTraitsBase<Minijail>;
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DISALLOW_COPY_AND_ASSIGN(Minijail);
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};
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} // namespace brillo
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#endif // LIBBRILLO_BRILLO_MINIJAIL_MINIJAIL_H_
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