mirror of
https://github.com/sheumann/hush.git
synced 2024-12-23 05:29:58 +00:00
124 lines
4.3 KiB
C
124 lines
4.3 KiB
C
/* vi: set sw=4 ts=4: */
|
|
#ifndef __UNARCHIVE_H__
|
|
#define __UNARCHIVE_H__
|
|
|
|
#define ARCHIVE_PRESERVE_DATE 1
|
|
#define ARCHIVE_CREATE_LEADING_DIRS 2
|
|
#define ARCHIVE_EXTRACT_UNCONDITIONAL 4
|
|
#define ARCHIVE_EXTRACT_QUIET 8
|
|
#define ARCHIVE_EXTRACT_NEWER 16
|
|
#define ARCHIVE_NOPRESERVE_OWN 32
|
|
#define ARCHIVE_NOPRESERVE_PERM 64
|
|
|
|
#include "libbb.h"
|
|
|
|
typedef struct file_headers_s {
|
|
char *name;
|
|
char *link_name;
|
|
off_t size;
|
|
uid_t uid;
|
|
gid_t gid;
|
|
mode_t mode;
|
|
time_t mtime;
|
|
dev_t device;
|
|
} file_header_t;
|
|
|
|
typedef struct archive_handle_s {
|
|
/* define if the header and data component should be processed */
|
|
char (*filter)(struct archive_handle_s *);
|
|
llist_t *accept;
|
|
/* List of files that have been rejected */
|
|
llist_t *reject;
|
|
/* List of files that have successfully been worked on */
|
|
llist_t *passed;
|
|
|
|
/* Contains the processed header entry */
|
|
file_header_t *file_header;
|
|
|
|
/* process the header component, e.g. tar -t */
|
|
void (*action_header)(const file_header_t *);
|
|
|
|
/* process the data component, e.g. extract to filesystem */
|
|
void (*action_data)(struct archive_handle_s *);
|
|
|
|
/* How to process any sub archive, e.g. get_header_tar_gz */
|
|
char (*action_data_subarchive)(struct archive_handle_s *);
|
|
|
|
/* Contains the handle to a sub archive */
|
|
struct archive_handle_s *sub_archive;
|
|
|
|
/* The raw stream as read from disk or stdin */
|
|
int src_fd;
|
|
|
|
/* Count the number of bytes processed */
|
|
off_t offset;
|
|
|
|
/* Function that skips data: read_by_char or read_by_skip */
|
|
void (*seek)(const struct archive_handle_s *archive_handle, const unsigned int amount);
|
|
|
|
/* Temporary storage */
|
|
char *buffer;
|
|
|
|
/* Flags and misc. stuff */
|
|
unsigned char flags;
|
|
|
|
} archive_handle_t;
|
|
|
|
|
|
extern archive_handle_t *init_handle(void);
|
|
|
|
extern char filter_accept_all(archive_handle_t *archive_handle);
|
|
extern char filter_accept_list(archive_handle_t *archive_handle);
|
|
extern char filter_accept_list_reassign(archive_handle_t *archive_handle);
|
|
extern char filter_accept_reject_list(archive_handle_t *archive_handle);
|
|
|
|
extern void unpack_ar_archive(archive_handle_t *ar_archive);
|
|
|
|
extern void data_skip(archive_handle_t *archive_handle);
|
|
extern void data_extract_all(archive_handle_t *archive_handle);
|
|
extern void data_extract_to_stdout(archive_handle_t *archive_handle);
|
|
extern void data_extract_to_buffer(archive_handle_t *archive_handle);
|
|
|
|
extern void header_skip(const file_header_t *file_header);
|
|
extern void header_list(const file_header_t *file_header);
|
|
extern void header_verbose_list(const file_header_t *file_header);
|
|
|
|
extern void check_header_gzip_or_die(int src_fd);
|
|
|
|
extern char get_header_ar(archive_handle_t *archive_handle);
|
|
extern char get_header_cpio(archive_handle_t *archive_handle);
|
|
extern char get_header_tar(archive_handle_t *archive_handle);
|
|
extern char get_header_tar_bz2(archive_handle_t *archive_handle);
|
|
extern char get_header_tar_lzma(archive_handle_t *archive_handle);
|
|
extern char get_header_tar_gz(archive_handle_t *archive_handle);
|
|
|
|
extern void seek_by_jump(const archive_handle_t *archive_handle, const unsigned int amount);
|
|
extern void seek_by_read(const archive_handle_t *archive_handle, const unsigned int amount);
|
|
|
|
extern ssize_t archive_xread_all_eof(archive_handle_t *archive_handle, unsigned char *buf, size_t count);
|
|
|
|
extern void data_align(archive_handle_t *archive_handle, const unsigned short boundary);
|
|
extern const llist_t *find_list_entry(const llist_t *list, const char *filename);
|
|
extern const llist_t *find_list_entry2(const llist_t *list, const char *filename);
|
|
|
|
extern USE_DESKTOP(long long) int uncompressStream(int src_fd, int dst_fd);
|
|
/* A bit of bunzip2 internals are exposed for compressed help support: */
|
|
typedef struct bunzip_data bunzip_data;
|
|
int start_bunzip(bunzip_data **bdp, int in_fd, const unsigned char *inbuf, int len);
|
|
int read_bunzip(bunzip_data *bd, char *outbuf, int len);
|
|
void dealloc_bunzip(bunzip_data *bd);
|
|
|
|
typedef struct inflate_unzip_result {
|
|
off_t bytes_out;
|
|
uint32_t crc;
|
|
} inflate_unzip_result;
|
|
|
|
extern USE_DESKTOP(long long) int inflate_unzip(inflate_unzip_result *res, unsigned bufsize, int in, int out);
|
|
extern USE_DESKTOP(long long) int inflate_gunzip(int in, int out);
|
|
extern USE_DESKTOP(long long) int unlzma(int src_fd, int dst_fd);
|
|
|
|
extern int open_transformer(int src_fd,
|
|
USE_DESKTOP(long long) int (*transformer)(int src_fd, int dst_fd));
|
|
|
|
#endif
|