100 lines
2.7 KiB
C++
100 lines
2.7 KiB
C++
/*
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* Copyright (c) 2013, 2014, 2021 Jonas 'Sortie' Termansen.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* identity.cpp
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* System calls for managing user and group identities.
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*/
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#include <sys/types.h>
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#include <sortix/kernel/kernel.h>
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#include <sortix/kernel/kthread.h>
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#include <sortix/kernel/process.h>
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#include <sortix/kernel/syscall.h>
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namespace Sortix {
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uid_t sys_getuid()
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{
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Process* process = CurrentProcess();
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ScopedLock lock(&process->idlock);
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return process->uid;
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}
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int sys_setuid(uid_t uid)
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{
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Process* process = CurrentProcess();
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ScopedLock lock(&process->idlock);
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// TODO: Implement security checks in many place across the operating system
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// and until then allow anyone to do this to not pretend to be secure.
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process->uid = uid;
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process->euid = uid;
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return 0;
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}
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gid_t sys_getgid()
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{
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Process* process = CurrentProcess();
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ScopedLock lock(&process->idlock);
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return process->gid;
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}
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int sys_setgid(gid_t gid)
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{
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Process* process = CurrentProcess();
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ScopedLock lock(&process->idlock);
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// TODO: Implement security checks in many place across the operating system
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// and until then allow anyone to do this to not pretend to be secure.
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process->gid = gid;
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process->egid = gid;
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return 0;
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}
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uid_t sys_geteuid()
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{
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Process* process = CurrentProcess();
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ScopedLock lock(&process->idlock);
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return process->euid;
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}
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int sys_seteuid(uid_t euid)
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{
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Process* process = CurrentProcess();
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ScopedLock lock(&process->idlock);
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// TODO: Implement security checks in many place across the operating system
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// and until then allow anyone to do this to not pretend to be secure.
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process->euid = euid;
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return 0;
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}
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gid_t sys_getegid()
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{
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Process* process = CurrentProcess();
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ScopedLock lock(&process->idlock);
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return process->egid;
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}
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int sys_setegid(gid_t egid)
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{
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Process* process = CurrentProcess();
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ScopedLock lock(&process->idlock);
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// TODO: Implement security checks in many place across the operating system
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// and until then allow anyone to do this to not pretend to be secure.
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process->egid = egid;
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return 0;
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}
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} // namespace Sortix
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