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ae197deb6b
Prior to this change, both uid_t and gid_t were typedef'ed to `u32`. This made it easy to use them interchangeably. Let's not allow that. This patch adds UserID and GroupID using the AK::DistinctNumeric mechanism we've already been employing for pid_t/ProcessID.
73 lines
1.9 KiB
C++
73 lines
1.9 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <Kernel/Process.h>
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namespace Kernel {
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KResultOr<FlatPtr> Process::sys$getuid()
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{
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
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REQUIRE_PROMISE(stdio);
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return uid().value();
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}
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KResultOr<FlatPtr> Process::sys$getgid()
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{
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
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REQUIRE_PROMISE(stdio);
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return gid().value();
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}
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KResultOr<FlatPtr> Process::sys$geteuid()
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{
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
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REQUIRE_PROMISE(stdio);
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return euid().value();
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}
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KResultOr<FlatPtr> Process::sys$getegid()
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{
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
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REQUIRE_PROMISE(stdio);
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return egid().value();
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}
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KResultOr<FlatPtr> Process::sys$getresuid(Userspace<UserID*> ruid, Userspace<UserID*> euid, Userspace<UserID*> suid)
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{
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
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REQUIRE_PROMISE(stdio);
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if (!copy_to_user(ruid, &m_protected_values.uid) || !copy_to_user(euid, &m_protected_values.euid) || !copy_to_user(suid, &m_protected_values.suid))
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return EFAULT;
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return 0;
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}
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KResultOr<FlatPtr> Process::sys$getresgid(Userspace<GroupID*> rgid, Userspace<GroupID*> egid, Userspace<GroupID*> sgid)
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{
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
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REQUIRE_PROMISE(stdio);
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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))
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return EFAULT;
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return 0;
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}
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KResultOr<FlatPtr> Process::sys$getgroups(size_t count, Userspace<gid_t*> user_gids)
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{
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
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REQUIRE_PROMISE(stdio);
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if (!count)
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return extra_gids().size();
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if (count != extra_gids().size())
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return EINVAL;
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if (!copy_to_user(user_gids, extra_gids().data(), sizeof(gid_t) * count))
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return EFAULT;
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return 0;
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}
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}
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