mirror of
https://github.com/RGBCube/serenity
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4abbedb6e4
If we're creating something that should have a different owner than the current process's UID/GID, we need to plumb that all the way through VFS down to the FS functions.
54 lines
1.9 KiB
C++
54 lines
1.9 KiB
C++
#pragma once
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#include <AK/Types.h>
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#include <Kernel/FileSystem/FileSystem.h>
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#include <Kernel/FileSystem/Inode.h>
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class SlavePTY;
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class DevPtsFSInode;
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class DevPtsFS final : public FS {
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public:
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virtual ~DevPtsFS() override;
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static NonnullRefPtr<DevPtsFS> create();
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virtual bool initialize() override;
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virtual const char* class_name() const override { return "DevPtsFS"; }
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virtual InodeIdentifier root_inode() const override;
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virtual RefPtr<Inode> create_inode(InodeIdentifier parentInode, const String& name, mode_t, off_t size, dev_t, uid_t, gid_t, int& error) override;
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virtual RefPtr<Inode> create_directory(InodeIdentifier parentInode, const String& name, mode_t, uid_t, gid_t, int& error) override;
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virtual RefPtr<Inode> get_inode(InodeIdentifier) const override;
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static void register_slave_pty(SlavePTY&);
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static void unregister_slave_pty(SlavePTY&);
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private:
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DevPtsFS();
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RefPtr<DevPtsFSInode> m_root_inode;
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};
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class DevPtsFSInode final : public Inode {
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friend class DevPtsFS;
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public:
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virtual ~DevPtsFSInode() override;
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private:
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DevPtsFSInode(DevPtsFS&, unsigned index);
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// ^Inode
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virtual ssize_t read_bytes(off_t, ssize_t, u8* buffer, FileDescription*) const override;
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virtual InodeMetadata metadata() const override;
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virtual bool traverse_as_directory(Function<bool(const FS::DirectoryEntry&)>) const override;
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virtual InodeIdentifier lookup(StringView name) override;
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virtual void flush_metadata() override;
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virtual ssize_t write_bytes(off_t, ssize_t, const u8* buffer, FileDescription*) override;
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virtual KResult add_child(InodeIdentifier child_id, const StringView& name, mode_t) override;
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virtual KResult remove_child(const StringView& name) override;
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virtual size_t directory_entry_count() const override;
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virtual KResult chmod(mode_t) override;
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virtual KResult chown(uid_t, gid_t) override;
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InodeMetadata m_metadata;
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};
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