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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Kernel/Process.h>
namespace Kernel {
ErrorOr<FlatPtr> Process::sys$getuid()
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
TRY(require_promise(Pledge::stdio));
return uid().value();
}
ErrorOr<FlatPtr> Process::sys$getgid()
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
TRY(require_promise(Pledge::stdio));
return gid().value();
}
ErrorOr<FlatPtr> Process::sys$geteuid()
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
TRY(require_promise(Pledge::stdio));
return euid().value();
}
ErrorOr<FlatPtr> Process::sys$getegid()
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
TRY(require_promise(Pledge::stdio));
return egid().value();
}
ErrorOr<FlatPtr> Process::sys$getresuid(Userspace<UserID*> ruid, Userspace<UserID*> euid, Userspace<UserID*> suid)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
TRY(require_promise(Pledge::stdio));
TRY(copy_to_user(ruid, &m_protected_values.uid));
TRY(copy_to_user(euid, &m_protected_values.euid));
TRY(copy_to_user(suid, &m_protected_values.suid));
return 0;
}
ErrorOr<FlatPtr> Process::sys$getresgid(Userspace<GroupID*> rgid, Userspace<GroupID*> egid, Userspace<GroupID*> sgid)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
TRY(require_promise(Pledge::stdio));
TRY(copy_to_user(rgid, &m_protected_values.gid));
TRY(copy_to_user(egid, &m_protected_values.egid));
TRY(copy_to_user(sgid, &m_protected_values.sgid));
return 0;
}
ErrorOr<FlatPtr> Process::sys$getgroups(size_t count, Userspace<gid_t*> user_gids)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
TRY(require_promise(Pledge::stdio));
if (!count)
return extra_gids().size();
if (count != extra_gids().size())
return EINVAL;
TRY(copy_to_user(user_gids, extra_gids().data(), sizeof(gid_t) * count));
return 0;
}
}
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