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https://github.com/RGBCube/serenity
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d84299c7be
In order to ensure a specific owner and mode when the local socket filesystem endpoint is instantiated, we need to be able to call fchmod() and fchown() on a socket fd between socket() and bind(). This is because until we call bind(), there is no filesystem inode for the socket yet.
40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
#pragma once
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#include <Kernel/FileSystem/File.h>
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class Inode;
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class InodeFile final : public File {
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public:
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static NonnullRefPtr<InodeFile> create(NonnullRefPtr<Inode>&& inode)
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{
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return adopt(*new InodeFile(move(inode)));
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}
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virtual ~InodeFile() override;
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const Inode& inode() const { return *m_inode; }
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Inode& inode() { return *m_inode; }
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virtual bool can_read(const FileDescription&) const override { return true; }
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virtual bool can_write(const FileDescription&) const override { return true; }
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virtual ssize_t read(FileDescription&, u8*, ssize_t) override;
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virtual ssize_t write(FileDescription&, const u8*, ssize_t) override;
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virtual KResultOr<Region*> mmap(Process&, FileDescription&, VirtualAddress preferred_vaddr, size_t offset, size_t size, int prot) override;
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virtual String absolute_path(const FileDescription&) const override;
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virtual KResult truncate(off_t) override;
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virtual KResult chown(uid_t, gid_t) override;
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virtual KResult chmod(mode_t) override;
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virtual const char* class_name() const override { return "InodeFile"; }
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virtual bool is_seekable() const override { return true; }
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virtual bool is_inode() const override { return true; }
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private:
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explicit InodeFile(NonnullRefPtr<Inode>&&);
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NonnullRefPtr<Inode> m_inode;
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};
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