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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <Kernel/Process.h>
namespace Kernel {
KResultOr<uid_t> Process::sys$getuid()
{
REQUIRE_PROMISE(stdio);
return uid();
}
KResultOr<gid_t> Process::sys$getgid()
{
REQUIRE_PROMISE(stdio);
return gid();
}
KResultOr<uid_t> Process::sys$geteuid()
{
REQUIRE_PROMISE(stdio);
return euid();
}
KResultOr<gid_t> Process::sys$getegid()
{
REQUIRE_PROMISE(stdio);
return egid();
}
KResultOr<int> Process::sys$getresuid(Userspace<uid_t*> ruid, Userspace<uid_t*> euid, Userspace<uid_t*> suid)
{
REQUIRE_PROMISE(stdio);
if (!copy_to_user(ruid, &m_uid) || !copy_to_user(euid, &m_euid) || !copy_to_user(suid, &m_suid))
return EFAULT;
return 0;
}
KResultOr<int> Process::sys$getresgid(Userspace<gid_t*> rgid, Userspace<gid_t*> egid, Userspace<gid_t*> sgid)
{
REQUIRE_PROMISE(stdio);
if (!copy_to_user(rgid, &m_gid) || !copy_to_user(egid, &m_egid) || !copy_to_user(sgid, &m_sgid))
return EFAULT;
return 0;
}
KResultOr<int> Process::sys$getgroups(ssize_t count, Userspace<gid_t*> user_gids)
{
REQUIRE_PROMISE(stdio);
if (count < 0)
return EINVAL;
if (!count)
return extra_gids().size();
if (count != (int)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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