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Kernel: Move process pledge promises into protected data

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This commit is contained in:
Andreas Kling 2021-03-10 22:50:00 +01:00
parent 37ad880660
commit de6c5128fd
4 changed files with 31 additions and 31 deletions
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15
Kernel/Syscalls/pledge.cpp
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@ -67,24 +67,27 @@ KResultOr<int> Process::sys$pledge(Userspace<const Syscall::SC_pledge_params*> u
return true;
};
MutableProtectedData mutable_protected_data { *this };
if (!promises.is_null()) {
u32 new_promises = 0;
if (!parse_pledge(promises, new_promises))
return EINVAL;
if (m_promises && (!new_promises || new_promises & ~m_promises))
if (protected_data().promises && (!new_promises || new_promises & ~protected_data().promises))
return EPERM;
m_has_promises = true;
m_promises = new_promises;
mutable_protected_data->has_promises = true;
mutable_protected_data->promises = new_promises;
}
if (!execpromises.is_null()) {
u32 new_execpromises = 0;
if (!parse_pledge(execpromises, new_execpromises))
return EINVAL;
if (m_execpromises && (!new_execpromises || new_execpromises & ~m_execpromises))
if (protected_data().execpromises && (!new_execpromises || new_execpromises & ~protected_data().execpromises))
return EPERM;
m_has_execpromises = true;
m_execpromises = new_execpromises;
mutable_protected_data->has_execpromises = true;
mutable_protected_data->execpromises = new_execpromises;
}
return 0;