mirror of
https://github.com/Fennix-Project/Kernel.git
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106 lines
2.1 KiB
C++
106 lines
2.1 KiB
C++
/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef __FENNIX_KERNEL_FILESYSTEM_USTAR_H__
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#define __FENNIX_KERNEL_FILESYSTEM_USTAR_H__
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#include <types.h>
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#include <filesystem.hpp>
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namespace vfs
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{
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class USTARNode : public Node
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{
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private:
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uintptr_t Address;
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public:
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size_t read(uint8_t *Buffer, size_t Size, off_t Offset) final;
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USTARNode(uintptr_t Address, const char *Name, NodeType Type,
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Virtual *vfs_ctx);
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~USTARNode();
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};
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class USTAR
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{
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enum FileType
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{
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REGULAR_FILE = '0',
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HARDLINK = '1',
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SYMLINK = '2',
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CHARDEV = '3',
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BLOCKDEV = '4',
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DIRECTORY = '5',
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FIFO = '6'
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};
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struct FileHeader
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{
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char name[100];
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char mode[8];
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char uid[8];
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char gid[8];
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char size[12];
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char mtime[12];
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char chksum[8];
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char typeflag[1];
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char link[100];
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char signature[6];
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char version[2];
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char owner[32];
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char group[32];
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char dev_maj[8];
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char dev_min[8];
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char prefix[155];
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char pad[12];
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};
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private:
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inline uint32_t GetSize(const char *String)
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{
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uint32_t ret = 0;
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while (*String)
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{
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ret *= 8;
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ret += *String - '0';
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String++;
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}
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return ret;
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}
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inline int StringToInt(const char *String)
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{
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int ret = 0;
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for (int i = 0; String[i] != '\0'; ++i)
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ret = ret * 10 + String[i] - '0';
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return ret;
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}
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public:
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bool TestArchive(uintptr_t Address);
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void ReadArchive(uintptr_t Address, Virtual *vfs_ctx);
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USTAR();
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~USTAR();
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};
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}
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#endif // !__FENNIX_KERNEL_FILESYSTEM_USTAR_H__
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