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Kernel: Only allow superuser to halt() the system (#342)

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Following the discussion in #334, shutdown must also have root-only
run permissions.
This commit is contained in:
Jesse 2019-07-19 21:08:26 +10:00 • committed by Andreas Kling
parent cd76b691fb
commit a5d80f7e3b
6 changed files with 31 additions and 10 deletions
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6
Libraries/LibC/unistd.cpp
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@ -515,6 +515,12 @@ int fsync(int fd)
return 0;
}
int halt()
{
int rc = syscall(SC_halt);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
int reboot()
{
int rc = syscall(SC_reboot);