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Kernel: Don't allow open() with (O_CREAT | O_DIRECTORY)

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This commit is contained in:
Andreas Kling 2020-01-03 02:23:50 +01:00
parent 15f3abc849
commit 064e46e581
1 changed files with 3 additions and 0 deletions
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3
Kernel/FileSystem/VirtualFileSystem.cpp
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@ -185,6 +185,9 @@ KResultOr<InodeMetadata> VFS::lookup_metadata(StringView path, Custody& base, in
KResultOr<NonnullRefPtr<FileDescription>> VFS::open(StringView path, int options, mode_t mode, Custody& base) KResultOr<NonnullRefPtr<FileDescription>> VFS::open(StringView path, int options, mode_t mode, Custody& base)
{ {
if ((options & O_CREAT) && (options & O_DIRECTORY))
return KResult(-EINVAL);
RefPtr<Custody> parent_custody; RefPtr<Custody> parent_custody;
auto custody_or_error = resolve_path(path, base, &parent_custody, options); auto custody_or_error = resolve_path(path, base, &parent_custody, options);
if (options & O_CREAT) { if (options & O_CREAT) {