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Kernel: Make VirtualFileSystem functions take credentials as input

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Instead of getting credentials from Process::current(), we now require
that they be provided as input to the various VFS functions.

This ensures that an atomic set of credentials is used throughout an
entire VFS operation.
This commit is contained in:
Andreas Kling
2022-08-21 16:02:24 +02:00
parent 9744dedb50
commit c3351d4b9f
33 changed files with 159 additions and 165 deletions
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3
Kernel/Process.cpp
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@@ -583,8 +583,9 @@ ErrorOr<void> Process::dump_perfcore()
auto base_filename = TRY(KString::formatted("{}_{}", name(), pid().value()));
auto perfcore_filename = TRY(KString::formatted("{}.profile", base_filename));
LockRefPtr<OpenFileDescription> description;
auto credentials = this->credentials();
for (size_t attempt = 1; attempt <= 10; ++attempt) {
auto description_or_error = VirtualFileSystem::the().open(perfcore_filename->view(), O_CREAT | O_EXCL, 0400, current_directory(), UidAndGid { 0, 0 });
auto description_or_error = VirtualFileSystem::the().open(credentials, perfcore_filename->view(), O_CREAT | O_EXCL, 0400, current_directory(), UidAndGid { 0, 0 });
if (!description_or_error.is_error()) {
description = description_or_error.release_value();
break;