mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-22 23:50:19 +00:00
9201a06027
Before we start disabling acquisition of the big process lock for specific syscalls, make sure to document and assert that all the lock is held during all syscalls.
72 lines
1.7 KiB
C++
72 lines
1.7 KiB
C++
/*
|
|
* 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$getresuid(Userspace<uid_t*> ruid, Userspace<uid_t*> euid, Userspace<uid_t*> suid)
|
|
{
|
|
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
|
|
REQUIRE_PROMISE(stdio);
|
|
if (!copy_to_user(ruid, &m_uid) || !copy_to_user(euid, &m_euid) || !copy_to_user(suid, &m_suid))
|
|
return EFAULT;
|
|
return 0;
|
|
}
|
|
|
|
KResultOr<FlatPtr> Process::sys$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_gid) || !copy_to_user(egid, &m_egid) || !copy_to_user(sgid, &m_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;
|
|
}
|
|
|
|
}
|