mirror of
https://github.com/pygos/pkg-utils.git
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136 lines
2.4 KiB
C
136 lines
2.4 KiB
C
/* SPDX-License-Identifier: ISC */
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#ifndef PKG2SQFS_H
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#define PKG2SQFS_H
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#include <sys/types.h>
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#include <stdbool.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <getopt.h>
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#include <stdint.h>
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#include <assert.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <errno.h>
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#ifdef HAVE_LIBBSD
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#include <bsd/bsd.h>
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#endif
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#include "util/util.h"
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#include "filelist/image_entry.h"
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#include "pkg/pkgreader.h"
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#include "pkg/pkgio.h"
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#include "squashfs.h"
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#include "config.h"
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typedef struct {
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uint8_t data[SQFS_META_BLOCK_SIZE + 2];
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size_t offset;
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size_t written;
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int outfd;
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} meta_writer_t;
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typedef struct file_info_t {
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struct file_info_t *frag_next;
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uint64_t size;
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uint64_t startblock;
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uint32_t id;
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uint32_t fragment;
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uint32_t fragment_offset;
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uint32_t blocksizes[];
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} file_info_t;
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typedef struct {
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struct node_t *children;
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uint64_t dref;
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size_t size;
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} dir_info_t;
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typedef struct node_t {
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struct node_t *parent;
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struct node_t *next;
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const char *name;
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union {
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dir_info_t *dir;
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const char *symlink;
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dev_t device;
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file_info_t *file;
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} data;
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uint64_t inode_ref;
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uint32_t inode_num;
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uint16_t type;
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uint16_t mode;
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uint16_t uid_idx;
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uint16_t gid_idx;
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uint8_t extra[];
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} node_t;
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typedef struct {
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uint32_t default_uid;
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uint32_t default_gid;
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uint32_t default_mode;
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node_t **node_tbl;
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size_t num_inodes;
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uint32_t *id_tbl;
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size_t num_ids;
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size_t max_ids;
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node_t *root;
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} vfs_t;
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typedef struct {
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int outfd;
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sqfs_super_t super;
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vfs_t fs;
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pkg_reader_t *rd;
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void *block;
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void *scratch;
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void *fragment;
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sqfs_fragment_t *fragments;
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size_t num_fragments;
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size_t max_fragments;
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int file_block_count;
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file_info_t *frag_list;
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size_t frag_offset;
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size_t dev_blk_size;
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} sqfs_info_t;
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int pkg_data_to_sqfs(sqfs_info_t *info);
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int sqfs_super_init(sqfs_super_t *s, int64_t timestamp,
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uint32_t blocksize, E_SQFS_COMPRESSOR comp);
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int sqfs_super_write(sqfs_info_t *info);
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int create_vfs_tree(sqfs_info_t *info);
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void destroy_vfs_tree(vfs_t *fs);
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node_t *vfs_node_from_file_id(vfs_t *fs, uint32_t id);
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int sqfs_write_inodes(sqfs_info_t *info);
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int sqfs_write_ids(sqfs_info_t *info);
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int sqfs_write_fragment_table(sqfs_info_t *info);
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meta_writer_t *meta_writer_create(int fd);
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void meta_writer_destroy(meta_writer_t *m);
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int meta_writer_flush(meta_writer_t *m);
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int meta_writer_append(meta_writer_t *m, const void *data, size_t size);
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#endif /* PKG2SQFS_H */
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