diff options
Diffstat (limited to 'release/src/router/busybox/include/unarchive.h')
| -rw-r--r-- | release/src/router/busybox/include/unarchive.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/release/src/router/busybox/include/unarchive.h b/release/src/router/busybox/include/unarchive.h new file mode 100644 index 00000000..8396f878 --- /dev/null +++ b/release/src/router/busybox/include/unarchive.h @@ -0,0 +1,115 @@ +#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 + +#include <sys/types.h> +#include <stdio.h> +#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 compenent should processed */ + char (*filter)(struct archive_handle_s *); + llist_t *accept; + llist_t *reject; + llist_t *passed; /* List of files that have successfully been worked on */ + + /* 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 componenet, 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 reads data: read or read_bz */ + ssize_t (*read)(int fd, void *buf, size_t count); + + /* Function that skips data: read_by_char or read_by_skip */ + void (*seek)(const struct archive_handle_s *archive_handle, const unsigned int amount); + + /* Temperary storage */ + char *buffer; + + /* 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(int src_fd); +extern void check_trailer_gzip(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_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_char(const archive_handle_t *archive_handle, const unsigned int amount); + +extern unsigned char archive_xread_char(const archive_handle_t *archive_handle); +extern ssize_t archive_xread(const archive_handle_t *archive_handle, unsigned char *buf, const size_t count); +extern void archive_xread_all(const archive_handle_t *archive_handle, void *buf, const size_t count); +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 void archive_copy_file(const archive_handle_t *archive_handle, const int dst_fd); +extern const llist_t *find_list_entry(const llist_t *list, const char *filename); + +extern ssize_t read_bz2(int fd, void *buf, size_t count); +extern void BZ2_bzReadOpen(int fd, void *unused, int nUnused); +extern void BZ2_bzReadClose(void); +extern unsigned char uncompressStream(int src_fd, int dst_fd); + +extern ssize_t read_gz(int fd, void *buf, size_t count); +extern void GZ_gzReadOpen(int fd, void *unused, int nUnused); +extern void GZ_gzReadClose(void); +extern int inflate(int in, int out); + +#endif |