diff options
Diffstat (limited to 'release/src/router/busybox/include/unarchive.h')
| -rw-r--r-- | release/src/router/busybox/include/unarchive.h | 190 |
1 files changed, 114 insertions, 76 deletions
diff --git a/release/src/router/busybox/include/unarchive.h b/release/src/router/busybox/include/unarchive.h index 8396f878..beb962c8 100644 --- a/release/src/router/busybox/include/unarchive.h +++ b/release/src/router/busybox/include/unarchive.h @@ -1,18 +1,24 @@ -#ifndef __UNARCHIVE_H__ -#define __UNARCHIVE_H__ +/* vi: set sw=4 ts=4: */ +#ifndef UNARCHIVE_H +#define UNARCHIVE_H 1 -#define ARCHIVE_PRESERVE_DATE 1 -#define ARCHIVE_CREATE_LEADING_DIRS 2 -#define ARCHIVE_EXTRACT_UNCONDITIONAL 4 -#define ARCHIVE_EXTRACT_QUIET 8 +PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN -#include <sys/types.h> -#include <stdio.h> -#include "libbb.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 -typedef struct file_headers_s { +typedef struct file_header_t { char *name; - char *link_name; + char *link_target; +#if ENABLE_FEATURE_TAR_UNAME_GNAME + char *uname; + char *gname; +#endif off_t size; uid_t uid; gid_t gid; @@ -21,27 +27,31 @@ typedef struct file_headers_s { 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 *); +typedef struct archive_handle_t { + /* Define if the header and data component should be processed */ + char FAST_FUNC (*filter)(struct archive_handle_t *); llist_t *accept; + /* List of files that have been rejected */ llist_t *reject; - llist_t *passed; /* List of files that have successfully been worked on */ + /* 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 header component, e.g. tar -t */ + void FAST_FUNC (*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 *); + /* Process the data component, e.g. extract to filesystem */ + void FAST_FUNC (*action_data)(struct archive_handle_t *); +#if ENABLE_DPKG || ENABLE_DPKG_DEB + /* "subarchive" is used only by dpkg[-deb] applets */ + /* How to process any sub archive, e.g. get_header_tar_gz */ + char FAST_FUNC (*action_data_subarchive)(struct archive_handle_t *); /* Contains the handle to a sub archive */ - struct archive_handle_s *sub_archive; + struct archive_handle_t *sub_archive; +#endif /* The raw stream as read from disk or stdin */ int src_fd; @@ -49,67 +59,95 @@ typedef struct archive_handle_s { /* 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); + void FAST_FUNC (*seek)(const struct archive_handle_t *archive_handle, const unsigned amount); - /* Temperary storage */ + /* Temporary 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); + /* Flags and misc. stuff */ + unsigned char ah_flags; -extern void unpack_ar_archive(archive_handle_t *ar_archive); + /* "Private" storage for archivers */ +// unsigned char ah_priv_inited; + void *ah_priv[8]; -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); +} archive_handle_t; -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); +/* Info struct unpackers can fill out to inform users of thing like + * timestamps of unpacked files */ +typedef struct unpack_info_t { + time_t mtime; +} unpack_info_t; + +extern archive_handle_t *init_handle(void) FAST_FUNC; + +extern char filter_accept_all(archive_handle_t *archive_handle) FAST_FUNC; +extern char filter_accept_list(archive_handle_t *archive_handle) FAST_FUNC; +extern char filter_accept_list_reassign(archive_handle_t *archive_handle) FAST_FUNC; +extern char filter_accept_reject_list(archive_handle_t *archive_handle) FAST_FUNC; + +extern void unpack_ar_archive(archive_handle_t *ar_archive) FAST_FUNC; + +extern void data_skip(archive_handle_t *archive_handle) FAST_FUNC; +extern void data_extract_all(archive_handle_t *archive_handle) FAST_FUNC; +extern void data_extract_to_stdout(archive_handle_t *archive_handle) FAST_FUNC; +extern void data_extract_to_buffer(archive_handle_t *archive_handle) FAST_FUNC; + +extern void header_skip(const file_header_t *file_header) FAST_FUNC; +extern void header_list(const file_header_t *file_header) FAST_FUNC; +extern void header_verbose_list(const file_header_t *file_header) FAST_FUNC; + +extern char get_header_ar(archive_handle_t *archive_handle) FAST_FUNC; +extern char get_header_cpio(archive_handle_t *archive_handle) FAST_FUNC; +extern char get_header_tar(archive_handle_t *archive_handle) FAST_FUNC; +extern char get_header_tar_gz(archive_handle_t *archive_handle) FAST_FUNC; +extern char get_header_tar_bz2(archive_handle_t *archive_handle) FAST_FUNC; +extern char get_header_tar_lzma(archive_handle_t *archive_handle) FAST_FUNC; + +extern void seek_by_jump(const archive_handle_t *archive_handle, unsigned amount) FAST_FUNC; +extern void seek_by_read(const archive_handle_t *archive_handle, unsigned amount) FAST_FUNC; + +extern void data_align(archive_handle_t *archive_handle, unsigned boundary) FAST_FUNC; +extern const llist_t *find_list_entry(const llist_t *list, const char *filename) FAST_FUNC; +extern const llist_t *find_list_entry2(const llist_t *list, const char *filename) FAST_FUNC; + +/* 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) FAST_FUNC; +int read_bunzip(bunzip_data *bd, char *outbuf, int len) FAST_FUNC; +void dealloc_bunzip(bunzip_data *bd) FAST_FUNC; + +typedef struct inflate_unzip_result { + off_t bytes_out; + uint32_t crc; +} inflate_unzip_result; + +USE_DESKTOP(long long) int inflate_unzip(inflate_unzip_result *res, off_t compr_size, int src_fd, int dst_fd) FAST_FUNC; +/* lzma unpacker takes .lzma stream from offset 0 */ +USE_DESKTOP(long long) int unpack_lzma_stream(int src_fd, int dst_fd) FAST_FUNC; +/* the rest wants 2 first bytes already skipped by the caller */ +USE_DESKTOP(long long) int unpack_bz2_stream(int src_fd, int dst_fd) FAST_FUNC; +USE_DESKTOP(long long) int unpack_gz_stream(int src_fd, int dst_fd) FAST_FUNC; +USE_DESKTOP(long long) int unpack_gz_stream_with_info(int src_fd, int dst_fd, unpack_info_t *info) FAST_FUNC; +USE_DESKTOP(long long) int unpack_Z_stream(int fd_in, int fd_out) FAST_FUNC; +/* wrapper which checks first two bytes to be "BZ" */ +USE_DESKTOP(long long) int unpack_bz2_stream_prime(int src_fd, int dst_fd) FAST_FUNC; + +int bbunpack(char **argv, + char* (*make_new_name)(char *filename), + USE_DESKTOP(long long) int (*unpacker)(unpack_info_t *info)) FAST_FUNC; + +#if BB_MMU +void open_transformer(int fd, + USE_DESKTOP(long long) int FAST_FUNC (*transformer)(int src_fd, int dst_fd)) FAST_FUNC; +#define open_transformer(fd, transformer, transform_prog) open_transformer(fd, transformer) +#else +void open_transformer(int src_fd, const char *transform_prog) FAST_FUNC; +#define open_transformer(fd, transformer, transform_prog) open_transformer(fd, transform_prog) +#endif -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); +POP_SAVED_FUNCTION_VISIBILITY #endif |