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Kernel+Tests: Make sys$rmdir() fail with EINVAL if basename is "."

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Dr. POSIX says that we should reject attempts to rmdir() the file named
"." so this patch does exactly that. We also add a test.

This solves a FIXME from January 2019. :^)
This commit is contained in:
Andreas Kling 2022-12-19 18:47:35 +01:00
parent 42b011b571
commit 8d781d0216
2 changed files with 26 additions and 1 deletions
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7
Kernel/FileSystem/VirtualFileSystem.cpp
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@ -841,7 +841,12 @@ ErrorOr<void> VirtualFileSystem::rmdir(Credentials const& credentials, StringVie
auto custody = TRY(resolve_path(credentials, path, base, &parent_custody));
auto& inode = custody->inode();
// FIXME: We should return EINVAL if the last component of the path is "."
auto last_component = KLexicalPath::basename(path);
// [EINVAL] The path argument contains a last component that is dot.
if (last_component == "."sv)
return EINVAL;
// FIXME: We should return ENOTEMPTY if the last component of the path is ".."
if (!inode.is_directory())