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Kernel: Emit ProcFS pledge/veil properties as "N/A" for kernel processes

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Pledges and Veil state don't really make sense for kernel mode
processes, as they can do what ever they want since they are in
kernel mode. Make this clear in the system monitor UI by marking
these entries as null.
This commit is contained in:
Brian Gianforcaro 2020-08-16 00:27:23 -07:00 committed by Andreas Kling
parent 6fa76ed2e3
commit c44d2515b4
Notes: sideshowbarker 2024-07-19 03:30:08 +09:00 
Author: https://github.com/bgianfo
Commit: https://github.com/SerenityOS/serenity/commit/c44d2515b4c
Pull-request: https://github.com/SerenityOS/serenity/pull/3170
1 changed files with 19 additions and 13 deletions
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32
Kernel/FileSystem/ProcFS.cpp
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@ -824,26 +824,32 @@ static Optional<KBuffer> procfs$all(InodeIdentifier)
auto build_process = [&](const Process& process) {
auto process_object = array.add_object();
StringBuilder pledge_builder;
if (process.is_ring3()) {
StringBuilder pledge_builder;
#define __ENUMERATE_PLEDGE_PROMISE(promise) \
if (process.has_promised(Pledge::promise)) { \
pledge_builder.append(#promise " "); \
}
ENUMERATE_PLEDGE_PROMISES
ENUMERATE_PLEDGE_PROMISES
#undef __ENUMERATE_PLEDGE_PROMISE
process_object.add("pledge", pledge_builder.to_string());
process_object.add("pledge", pledge_builder.to_string());
switch (process.veil_state()) {
case VeilState::None:
process_object.add("veil", "None");
break;
case VeilState::Dropped:
process_object.add("veil", "Dropped");
break;
case VeilState::Locked:
process_object.add("veil", "Locked");
break;
switch (process.veil_state()) {
case VeilState::None:
process_object.add("veil", "None");
break;
case VeilState::Dropped:
process_object.add("veil", "Dropped");
break;
case VeilState::Locked:
process_object.add("veil", "Locked");
break;
}
} else {
process_object.add("pledge", String());
process_object.add("veil", String());
}
process_object.add("pid", process.pid().value());