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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 {
KResultOr<FlatPtr> Process::sys$getuid()
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
REQUIRE_PROMISE(stdio);
return uid();
}
KResultOr<FlatPtr> Process::sys$getgid()
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
REQUIRE_PROMISE(stdio);
return gid();
}
KResultOr<FlatPtr> Process::sys$geteuid()
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
REQUIRE_PROMISE(stdio);
return euid();
}
KResultOr<FlatPtr> Process::sys$getegid()
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
REQUIRE_PROMISE(stdio);
return egid();
}
KResultOr<FlatPtr> Process::sys$getresuid(Userspace<uid_t*> ruid, Userspace<uid_t*> euid, Userspace<uid_t*> suid)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
REQUIRE_PROMISE(stdio);
if (!copy_to_user(ruid, &m_protected_values.uid) || !copy_to_user(euid, &m_protected_values.euid) || !copy_to_user(suid, &m_protected_values.suid))
return EFAULT;
return 0;
}
KResultOr<FlatPtr> Process::sys$getresgid(Userspace<gid_t*> rgid, Userspace<gid_t*> egid, Userspace<gid_t*> sgid)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
REQUIRE_PROMISE(stdio);
if (!copy_to_user(rgid, &m_protected_values.gid) || !copy_to_user(egid, &m_protected_values.egid) || !copy_to_user(sgid, &m_protected_values.sgid))
return EFAULT;
return 0;
}
KResultOr<FlatPtr> Process::sys$getgroups(size_t count, Userspace<gid_t*> user_gids)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
REQUIRE_PROMISE(stdio);
if (!count)
return extra_gids().size();
if (count != extra_gids().size())
return EINVAL;
if (!copy_to_user(user_gids, extra_gids().data(), sizeof(gid_t) * count))
return EFAULT;
return 0;
}
}
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