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