forked from MarcoBuster/Magisk
70 lines
1.4 KiB
C++
70 lines
1.4 KiB
C++
#ifndef _CPIO_H_
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#define _CPIO_H_
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#include <stdint.h>
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#include <vector>
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#include <string>
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struct cpio_newc_header {
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char magic[6];
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char ino[8];
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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 nlink[8];
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char mtime[8];
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char filesize[8];
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char devmajor[8];
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char devminor[8];
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char rdevmajor[8];
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char rdevminor[8];
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char namesize[8];
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char check[8];
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} __attribute__((packed));
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struct cpio_entry {
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// uint32_t ino;
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uint32_t mode = 0;
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uint32_t uid = 0;
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uint32_t gid = 0;
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// uint32_t nlink;
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// uint32_t mtime;
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uint32_t filesize = 0;
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// uint32_t devmajor;
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// uint32_t devminor;
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// uint32_t rdevmajor;
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// uint32_t rdevminor;
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// uint32_t namesize;
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// uint32_t check;
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// char *filename = nullptr;
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std::string filename;
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void *data = nullptr;
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cpio_entry() = default;
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explicit cpio_entry(const char *name) : filename(name) {}
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cpio_entry(int fd, cpio_newc_header &header);
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~cpio_entry();
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};
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class cpio {
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public:
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explicit cpio(const char *filename);
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~cpio();
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void dump(const char *file);
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int find(const char *name);
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void insert(cpio_entry *e);
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void rm(const char *name, bool r = false);
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void makedir(mode_t mode, const char *name);
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void ln(const char *target, const char *name);
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void add(mode_t mode, const char *name, const char *file);
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bool mv(const char *from, const char *to);
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void extract();
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bool extract(const char *name, const char *file);
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void sort();
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protected:
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std::vector<cpio_entry *> arr;
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};
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#endif
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