-#include <stdio.h> /* for FILE */
-#include <unistd.h> /* for off_t */
-
-enum extract_functions_e {
- extract_verbose_list = 1,
- extract_list = 2,
- extract_one_to_buffer = 4,
- extract_to_stdout = 8,
- extract_all_to_fs = 16,
- extract_preserve_date = 32,
- extract_data_tar_gz = 64,
- extract_control_tar_gz = 128,
- extract_unzip_only = 256,
- extract_unconditional = 512,
- extract_create_leading_dirs = 1024,
- extract_quiet = 2048,
- extract_exclude_list = 4096
-};
+/* 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;
mode_t mode;
time_t mtime;
dev_t device;
- int (*extract_func) (FILE *, FILE *);
} file_header_t;
-file_header_t *get_header_ar(FILE * in_file);
-file_header_t *get_header_cpio(FILE * src_stream);
-file_header_t *get_header_tar(FILE * tar_stream);
-file_header_t *get_header_zip(FILE * zip_stream);
+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);
-void seek_sub_file(FILE * src_stream, const int count);
+typedef struct inflate_unzip_result {
+ off_t bytes_out;
+ uint32_t crc;
+} inflate_unzip_result;
-extern off_t archive_offset;
+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);
-char *unarchive(FILE * src_stream, FILE * out_stream,
- file_header_t * (*get_headers) (FILE *),
- const int extract_function, const char *prefix,
- char **include_name, char **exclude_name);
+extern int open_transformer(int src_fd,
+ USE_DESKTOP(long long) int (*transformer)(int src_fd, int dst_fd));
-char *deb_extract(const char *package_filename, FILE * out_stream,
- const int extract_function, const char *prefix,
- const char *filename);
+#endif
projects / oweals / busybox.git / blobdiff