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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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14
Kernel/GlobalProcessExposed.cpp
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@ -150,7 +150,8 @@ private:
TRY(obj.add("bytes_in"sv, socket.bytes_in()));
TRY(obj.add("packets_out"sv, socket.packets_out()));
TRY(obj.add("bytes_out"sv, socket.bytes_out()));
if (Process::current().is_superuser() || Process::current().uid() == socket.origin_uid()) {
auto current_process_credentials = Process::current().credentials();
if (current_process_credentials->is_superuser() || current_process_credentials->uid() == socket.origin_uid()) {
TRY(obj.add("origin_pid"sv, socket.origin_pid().value()));
TRY(obj.add("origin_uid"sv, socket.origin_uid().value()));
TRY(obj.add("origin_gid"sv, socket.origin_gid().value()));
@ -206,7 +207,8 @@ private:
auto peer_address = TRY(socket.peer_address().to_string());
TRY(obj.add("peer_address"sv, peer_address->view()));
TRY(obj.add("peer_port"sv, socket.peer_port()));
if (Process::current().is_superuser() || Process::current().uid() == socket.origin_uid()) {
auto current_process_credentials = Process::current().credentials();
if (current_process_credentials->is_superuser() || current_process_credentials->uid() == socket.origin_uid()) {
TRY(obj.add("origin_pid"sv, socket.origin_pid().value()));
TRY(obj.add("origin_uid"sv, socket.origin_uid().value()));
TRY(obj.add("origin_gid"sv, socket.origin_gid().value()));
@ -525,8 +527,9 @@ private:
TRY(process_object.add("pgid"sv, process.tty() ? process.tty()->pgid().value() : 0));
TRY(process_object.add("pgp"sv, process.pgid().value()));
TRY(process_object.add("sid"sv, process.sid().value()));
TRY(process_object.add("uid"sv, process.uid().value()));
TRY(process_object.add("gid"sv, process.gid().value()));
auto credentials = process.credentials();
TRY(process_object.add("uid"sv, credentials->uid().value()));
TRY(process_object.add("gid"sv, credentials->gid().value()));
TRY(process_object.add("ppid"sv, process.ppid().value()));
if (process.tty()) {
auto tty_pseudo_name = TRY(process.tty()->pseudo_name());
@ -822,7 +825,8 @@ private:
virtual ErrorOr<void> try_generate(KBufferBuilder& builder) override
{
if (!Process::current().is_superuser())
auto current_process_credentials = Process::current().credentials();
if (!current_process_credentials->is_superuser())
return EPERM;
return builder.appendff("{}", kernel_load_base);
}