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|
require "ffi"
module Archive
module C
def self.attach_function_maybe(*args)
attach_function(*args)
rescue FFI::NotFoundError # rubocop:disable Lint/HandleExceptions
end
extend FFI::Library
ffi_lib %w{libarchive.so.13 libarchive.13 libarchive-13 libarchive.so libarchive archive}
attach_function :archive_version_number, [], :int
attach_function :archive_version_string, [], :string
attach_function :archive_error_string, [:pointer], :string
attach_function :archive_errno, [:pointer], :int
attach_function :archive_read_new, [], :pointer
attach_function :archive_read_open_filename, %i{pointer string size_t}, :int
attach_function :archive_read_open_memory, %i{pointer pointer size_t}, :int
attach_function :archive_read_open1, [:pointer], :int
attach_function :archive_read_support_compression_program, %i{pointer string}, :int
attach_function :archive_read_support_compression_all, [:pointer], :int
callback :archive_read_callback, %i{pointer pointer pointer}, :int
callback :archive_skip_callback, %i{pointer pointer int64}, :int
callback :archive_seek_callback, %i{pointer pointer int64 int}, :int
attach_function :archive_read_set_read_callback, %i{pointer archive_read_callback}, :int
attach_function :archive_read_set_callback_data, %i{pointer pointer}, :int
attach_function :archive_read_set_skip_callback, %i{pointer archive_skip_callback}, :int
attach_function :archive_read_set_seek_callback, %i{pointer archive_seek_callback}, :int
attach_function_maybe :archive_read_set_format, %i{pointer int}, :int
attach_function_maybe :archive_read_append_filter, %i{pointer int}, :int
attach_function_maybe :archive_read_append_filter_program, %i{pointer pointer}, :int
attach_function_maybe :archive_read_append_filter_program_signature, %i{pointer string pointer size_t}, :int
attach_function_maybe :archive_read_support_filter_all, [:pointer], :int
attach_function_maybe :archive_read_support_filter_bzip2, [:pointer], :int
attach_function_maybe :archive_read_support_filter_compress, [:pointer], :int
attach_function_maybe :archive_read_support_filter_gzip, [:pointer], :int
attach_function_maybe :archive_read_support_filter_grzip, [:pointer], :int
attach_function_maybe :archive_read_support_filter_lrzip, [:pointer], :int
attach_function_maybe :archive_read_support_filter_lz4, [:pointer], :int
attach_function_maybe :archive_read_support_filter_lzip, [:pointer], :int
attach_function_maybe :archive_read_support_filter_lzma, [:pointer], :int
attach_function_maybe :archive_read_support_filter_lzop, [:pointer], :int
attach_function_maybe :archive_read_support_filter_none, [:pointer], :int
attach_function_maybe :archive_read_support_filter_program, [:pointer], :int
attach_function_maybe :archive_read_support_filter_program_signature, [:pointer], :int
attach_function_maybe :archive_read_support_filter_rpm, [:pointer], :int
attach_function_maybe :archive_read_support_filter_uu, [:pointer], :int
attach_function_maybe :archive_read_support_filter_xz, [:pointer], :int
attach_function_maybe :archive_read_support_format_all, [:pointer], :int
attach_function_maybe :archive_read_support_format_7zip, [:pointer], :int
attach_function_maybe :archive_read_support_format_ar, [:pointer], :int
attach_function_maybe :archive_read_support_format_by_code, [:pointer], :int
attach_function_maybe :archive_read_support_format_cab, [:pointer], :int
attach_function_maybe :archive_read_support_format_cpio, [:pointer], :int
attach_function_maybe :archive_read_support_format_empty, [:pointer], :int
attach_function_maybe :archive_read_support_format_gnutar, [:pointer], :int
attach_function_maybe :archive_read_support_format_iso9660, [:pointer], :int
attach_function_maybe :archive_read_support_format_lha, [:pointer], :int
attach_function_maybe :archive_read_support_format_mtree, [:pointer], :int
attach_function_maybe :archive_read_support_format_rar, [:pointer], :int
attach_function_maybe :archive_read_support_format_raw, [:pointer], :int
attach_function_maybe :archive_read_support_format_tar, [:pointer], :int
attach_function_maybe :archive_read_support_format_warc, [:pointer], :int
attach_function_maybe :archive_read_support_format_xar, [:pointer], :int
attach_function_maybe :archive_read_support_format_zip, [:pointer], :int
attach_function_maybe :archive_read_support_format_zip_streamable, [:pointer], :int
attach_function_maybe :archive_read_support_format_zip_seekable, [:pointer], :int
attach_function :archive_read_finish, [:pointer], :int
attach_function :archive_read_extract, %i{pointer pointer int}, :int
attach_function :archive_read_header_position, [:pointer], :int
attach_function :archive_read_next_header, %i{pointer pointer}, :int
attach_function :archive_read_data, %i{pointer pointer size_t}, :size_t
attach_function :archive_read_data_into_fd, %i{pointer int}, :int
attach_function :archive_write_new, [], :pointer
attach_function :archive_write_open_filename, %i{pointer string}, :int
callback :archive_open_callback, %i{pointer pointer}, :int
callback :archive_write_callback, %i{pointer pointer pointer size_t}, :int
callback :archive_close_callback, %i{pointer pointer}, :int
attach_function :archive_write_open, %i{pointer pointer pointer archive_write_callback pointer}, :int
attach_function :archive_write_set_compression_none, [:pointer], :int
attach_function_maybe :archive_write_set_compression_gzip, [:pointer], :int
attach_function_maybe :archive_write_set_compression_bzip2, [:pointer], :int
attach_function_maybe :archive_write_set_compression_deflate, [:pointer], :int
attach_function_maybe :archive_write_set_compression_compress, [:pointer], :int
attach_function_maybe :archive_write_set_compression_lzma, [:pointer], :int
attach_function_maybe :archive_write_set_compression_xz, [:pointer], :int
attach_function :archive_write_set_compression_program, %i{pointer string}, :int
def self.archive_write_set_compression(archive, compression)
case compression
when String
archive_write_set_compression_program archive, compression
when COMPRESSION_BZIP2
archive_write_set_compression_bzip2 archive
when COMPRESSION_GZIP
archive_write_set_compression_gzip archive
when COMPRESSION_LZMA
archive_write_set_compression_lzma archive
when COMPRESSION_XZ
archive_write_set_compression_xz archive
when COMPRESSION_COMPRESS
archive_write_set_compression_compress archive
when COMPRESSION_NONE
archive_write_set_compression_none archive
else
raise "Unknown compression type: #{compression}"
end
end
attach_function :archive_write_set_format, %i{pointer int}, :int
attach_function :archive_write_data, %i{pointer pointer size_t}, :ssize_t
attach_function :archive_write_header, %i{pointer pointer}, :int
attach_function :archive_write_finish, [:pointer], :void
attach_function :archive_write_get_bytes_in_last_block, [:pointer], :int
attach_function :archive_write_set_bytes_in_last_block, %i{pointer int}, :int
attach_function :archive_entry_new, [], :pointer
attach_function :archive_entry_clone, [:pointer], :pointer
attach_function :archive_entry_free, [:pointer], :void
attach_function :archive_entry_atime, [:pointer], :time_t
attach_function :archive_entry_atime_nsec, %i{pointer time_t long}, :void
attach_function_maybe :archive_entry_atime_is_set, [:pointer], :int
attach_function :archive_entry_set_atime, %i{pointer time_t long}, :int
attach_function_maybe :archive_entry_unset_atime, [:pointer], :int
attach_function_maybe :archive_entry_birthtime, [:pointer], :time_t
attach_function_maybe :archive_entry_birthtime_nsec, %i{pointer time_t long}, :void
attach_function_maybe :archive_entry_birthtime_is_set, [:pointer], :int
attach_function_maybe :archive_entry_set_birthtime, %i{pointer time_t long}, :int
attach_function_maybe :archive_entry_unset_birthtime, [:pointer], :int
attach_function :archive_entry_ctime, [:pointer], :time_t
attach_function :archive_entry_ctime_nsec, %i{pointer time_t long}, :void
attach_function_maybe :archive_entry_ctime_is_set, [:pointer], :int
attach_function :archive_entry_set_ctime, %i{pointer time_t long}, :int
attach_function_maybe :archive_entry_unset_ctime, [:pointer], :int
attach_function :archive_entry_mtime, [:pointer], :time_t
attach_function :archive_entry_mtime_nsec, %i{pointer time_t long}, :void
attach_function_maybe :archive_entry_mtime_is_set, [:pointer], :int
attach_function :archive_entry_set_mtime, %i{pointer time_t long}, :int
attach_function_maybe :archive_entry_unset_mtime, [:pointer], :int
attach_function :archive_entry_dev, [:pointer], :dev_t
attach_function :archive_entry_set_dev, %i{pointer dev_t}, :void
attach_function :archive_entry_devmajor, [:pointer], :dev_t
attach_function :archive_entry_set_devmajor, %i{pointer dev_t}, :void
attach_function :archive_entry_devminor, [:pointer], :dev_t
attach_function :archive_entry_set_devminor, %i{pointer dev_t}, :void
attach_function :archive_entry_filetype, [:pointer], :mode_t
attach_function :archive_entry_set_filetype, %i{pointer mode_t}, :void
attach_function :archive_entry_fflags, %i{pointer pointer pointer}, :void
attach_function :archive_entry_set_fflags, %i{pointer ulong ulong}, :void
attach_function :archive_entry_fflags_text, [:pointer], :string
attach_function :archive_entry_gid, [:pointer], :gid_t
attach_function :archive_entry_set_gid, %i{pointer gid_t}, :void
attach_function :archive_entry_gname, [:pointer], :string
attach_function :archive_entry_set_gname, %i{pointer string}, :void
attach_function :archive_entry_hardlink, [:pointer], :string
attach_function :archive_entry_set_hardlink, %i{pointer string}, :void
attach_function :archive_entry_set_link, %i{pointer string}, :void
attach_function :archive_entry_ino, [:pointer], :ino_t
attach_function :archive_entry_set_ino, %i{pointer ino_t}, :void
attach_function :archive_entry_mode, [:pointer], :mode_t
attach_function :archive_entry_set_mode, %i{pointer mode_t}, :void
attach_function :archive_entry_set_perm, %i{pointer mode_t}, :void
attach_function :archive_entry_nlink, [:pointer], :uint
attach_function :archive_entry_set_nlink, %i{pointer uint}, :void
attach_function :archive_entry_pathname, [:pointer], :string
attach_function :archive_entry_set_pathname, %i{pointer string}, :void
attach_function :archive_entry_rdev, [:pointer], :dev_t
attach_function :archive_entry_set_rdev, %i{pointer dev_t}, :void
attach_function :archive_entry_rdevmajor, [:pointer], :dev_t
attach_function :archive_entry_set_rdevmajor, %i{pointer dev_t}, :void
attach_function :archive_entry_rdevminor, [:pointer], :dev_t
attach_function :archive_entry_set_rdevminor, %i{pointer dev_t}, :void
attach_function :archive_entry_size, [:pointer], :int64_t
attach_function :archive_entry_set_size, %i{pointer int64_t}, :void
attach_function_maybe :archive_entry_unset_size, [:pointer], :void
attach_function_maybe :archive_entry_size_is_set, [:pointer], :int
attach_function :archive_entry_sourcepath, [:pointer], :string
attach_function :archive_entry_strmode, [:pointer], :string
attach_function :archive_entry_symlink, [:pointer], :string
attach_function :archive_entry_set_symlink, %i{pointer string}, :void
attach_function :archive_entry_uid, [:pointer], :uid_t
attach_function :archive_entry_set_uid, %i{pointer uid_t}, :void
attach_function :archive_entry_uname, [:pointer], :string
attach_function :archive_entry_set_uname, %i{pointer string}, :void
attach_function :archive_entry_copy_stat, %i{pointer pointer}, :void
attach_function :archive_entry_copy_fflags_text, %i{pointer string}, :string
attach_function :archive_entry_copy_gname, %i{pointer string}, :string
attach_function :archive_entry_copy_uname, %i{pointer string}, :string
attach_function :archive_entry_copy_hardlink, %i{pointer string}, :string
attach_function :archive_entry_copy_link, %i{pointer string}, :string
attach_function :archive_entry_copy_symlink, %i{pointer string}, :string
attach_function :archive_entry_copy_sourcepath, %i{pointer string}, :string
attach_function :archive_entry_copy_pathname, %i{pointer string}, :string
attach_function :archive_entry_xattr_clear, [:pointer], :void
attach_function :archive_entry_xattr_add_entry, %i{pointer string pointer size_t}, :void
attach_function :archive_entry_xattr_count, [:pointer], :int
attach_function :archive_entry_xattr_reset, [:pointer], :int
attach_function :archive_entry_xattr_next, %i{pointer pointer pointer pointer}, :int
EOF = 1
OK = 0
RETRY = -10
WARN = -20
FAILED = -25
FATAL = -30
DATA_BUFFER_SIZE = 2**16
end
COMPRESSION_NONE = 0
COMPRESSION_GZIP = 1
COMPRESSION_BZIP2 = 2
COMPRESSION_COMPRESS = 3
COMPRESSION_PROGRAM = 4
COMPRESSION_LZMA = 5
COMPRESSION_XZ = 6
COMPRESSION_UU = 7
COMPRESSION_RPM = 8
COMPRESSION_LZIP = 9
COMPRESSION_LRZIP = 10
COMPRESSION_LZOP = 11
COMPRESSION_GRZIP = 12
COMPRESSION_LZ4 = 13
FORMAT_BASE_MASK = 0xff0000
FORMAT_CPIO = 0x10000
FORMAT_CPIO_POSIX = (FORMAT_CPIO | 1)
FORMAT_CPIO_BIN_LE = (FORMAT_CPIO | 2)
FORMAT_CPIO_BIN_BE = (FORMAT_CPIO | 3)
FORMAT_CPIO_SVR4_NOCRC = (FORMAT_CPIO | 4)
FORMAT_CPIO_SVR4_CRC = (FORMAT_CPIO | 5)
FORMAT_SHAR = 0x20000
FORMAT_SHAR_BASE = (FORMAT_SHAR | 1)
FORMAT_SHAR_DUMP = (FORMAT_SHAR | 2)
FORMAT_TAR = 0x30000
FORMAT_TAR_USTAR = (FORMAT_TAR | 1)
FORMAT_TAR_PAX_INTERCHANGE = (FORMAT_TAR | 2)
FORMAT_TAR_PAX_RESTRICTED = (FORMAT_TAR | 3)
FORMAT_TAR_GNUTAR = (FORMAT_TAR | 4)
FORMAT_ISO9660 = 0x40000
FORMAT_ISO9660_ROCKRIDGE = (FORMAT_ISO9660 | 1)
FORMAT_ZIP = 0x50000
FORMAT_EMPTY = 0x60000
FORMAT_AR = 0x70000
FORMAT_AR_GNU = (FORMAT_AR | 1)
FORMAT_AR_BSD = (FORMAT_AR | 2)
FORMAT_MTREE = 0x80000
FORMAT_RAW = 0x90000
FORMAT_XAR = 0xA0000
FORMAT_LHA = 0xB0000
FORMAT_CAB = 0xC0000
FORMAT_RAR = 0xD0000
FORMAT_7ZIP = 0xE0000
FORMAT_WARC = 0xF0000
EXTRACT_OWNER = 0x0001
EXTRACT_PERM = 0x0002
EXTRACT_TIME = 0x0004
EXTRACT_NO_OVERWRITE = 0x0008
EXTRACT_UNLINK = 0x0010
EXTRACT_ACL = 0x0020
EXTRACT_FFLAGS = 0x0040
EXTRACT_XATTR = 0x0080
EXTRACT_SECURE_SYMLINKS = 0x0100
EXTRACT_SECURE_NODOTDOT = 0x0200
EXTRACT_NO_AUTODIR = 0x0400
EXTRACT_NO_OVERWRITE_NEWER = 0x0800
EXTRACT_SPARSE = 0x1000
EXTRACT_MAC_METADATA = 0x2000
EXTRACT_NO_HFS_COMPRESSION = 0x4000
EXTRACT_HFS_COMPRESSION_FORCED = 0x8000
EXTRACT_SECURE_NOABSOLUTEPATHS = 0x10000
EXTRACT_CLEAR_NOCHANGE_FFLAGS = 0x20000
def self.read_open_filename(file_name, command = nil, &block)
Reader.open_filename file_name, command, &block
end
def self.read_open_memory(string, command = nil, &block)
Reader.open_memory string, command, &block
end
def self.read_open_stream(reader, &block)
Reader.open_stream reader, &block
end
def self.write_open_filename(file_name, compression, format, &block)
Writer.open_filename file_name, compression, format, &block
end
def self.write_open_memory(string, compression, format, &block)
Writer.open_memory string, compression, format, &block
end
def self.version_number
C.archive_version_number
end
def self.version_string
C.archive_version_string
end
class Error < StandardError
def initialize(archive)
if archive.is_a? String
super archive
else
super C.archive_error_string(archive).to_s
end
end
end
class BaseArchive
def initialize(alloc, free)
@archive = nil
@archive_free = nil
@archive = alloc.call
@archive_free = [nil]
raise Error, @archive unless @archive
@archive_free[0] = free
ObjectSpace.define_finalizer(self, BaseArchive.finalizer(@archive, @archive_free))
end
def self.finalizer(archive, archive_free)
proc do |*_args|
archive_free[0].call(archive) if archive_free[0]
end
end
def close
# TODO: do we need synchronization here?
if @archive
# TODO: Error check?
@archive_free[0].call(@archive)
end
ensure
@archive = nil
@archive_free[0] = nil
@data = nil
end
def archive
raise Error, "No archive open" unless @archive
@archive
end
protected :archive
def error_string
C.archive_error_string(@archive)
end
def errno
C.archive_errno(@archive)
end
end
end
|
