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Kernel: Use Process::credentials() and remove user ID/group ID helpers

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Move away from using the group ID/user ID helpers in the process to
allow for us to take advantage of the immutable credentials instead.
This commit is contained in:
Anthony Iacono 2022-08-20 18:21:01 -04:00 • committed by Andreas Kling
parent 8026d8926c
commit f86b671de2
27 changed files with 109 additions and 94 deletions
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6
Kernel/Syscalls/ptrace.cpp
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@ -40,8 +40,10 @@ static ErrorOr<FlatPtr> handle_ptrace(Kernel::Syscall::SC_ptrace_params const& p
MutexLocker ptrace_locker(peer->process().ptrace_lock());
if ((peer->process().uid() != caller.euid())
|| (peer->process().uid() != peer->process().euid())) // Disallow tracing setuid processes
auto peer_credentials = peer->process().credentials();
auto caller_credentials = caller.credentials();
if ((peer_credentials->uid() != caller_credentials->euid())
|| (peer_credentials->uid() != peer_credentials->euid())) // Disallow tracing setuid processes
return EACCES;
if (!peer->process().is_dumpable())