# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from ctypes import *
import struct
import os
import datetime
import uuid
from .utils import *
libc = cdll.LoadLibrary('/usr/lib/libc.dylib')
# Constants
FSOPT_NOFOLLOW = 0x00000001
FSOPT_NOINMEMUPDATE = 0x00000002
FSOPT_REPORT_FULLSIZE = 0x00000004
FSOPT_PACK_INVAL_ATTRS = 0x00000008
FSOPT_ATTR_CMN_EXTENDED = 0x00000020
FSOPT_RETURN_REALDEV = 0x00000200
VOL_CAPABILITIES_FORMAT = 0
VOL_CAPABILITIES_INTERFACES = 1
VOL_CAP_FMT_PERSISTENTOBJECTIDS = 0x00000001
VOL_CAP_FMT_SYMBOLICLINKS = 0x00000002
VOL_CAP_FMT_HARDLINKS = 0x00000004
VOL_CAP_FMT_JOURNAL = 0x00000008
VOL_CAP_FMT_JOURNAL_ACTIVE = 0x00000010
VOL_CAP_FMT_NO_ROOT_TIMES = 0x00000020
VOL_CAP_FMT_SPARSE_FILES = 0x00000040
VOL_CAP_FMT_ZERO_RUNS = 0x00000080
VOL_CAP_FMT_CASE_SENSITIVE = 0x00000100
VOL_CAP_FMT_CASE_PRESERVING = 0x00000200
VOL_CAP_FMT_FAST_STATFS = 0x00000400
VOL_CAP_FMT_2TB_FILESIZE = 0x00000800
VOL_CAP_FMT_OPENDENYMODES = 0x00001000
VOL_CAP_FMT_HIDDEN_FILES = 0x00002000
VOL_CAP_FMT_PATH_FROM_ID = 0x00004000
VOL_CAP_FMT_NO_VOLUME_SIZES = 0x00008000
VOL_CAP_FMT_DECMPFS_COMPRESSION = 0x00010000
VOL_CAP_FMT_64BIT_OBJECT_IDS = 0x00020000
VOL_CAP_INT_SEARCHFS = 0x00000001
VOL_CAP_INT_ATTRLIST = 0x00000002
VOL_CAP_INT_NFSEXPORT = 0x00000004
VOL_CAP_INT_READDIRATTR = 0x00000008
VOL_CAP_INT_EXCHANGEDATA = 0x00000010
VOL_CAP_INT_COPYFILE = 0x00000020
VOL_CAP_INT_ALLOCATE = 0x00000040
VOL_CAP_INT_VOL_RENAME = 0x00000080
VOL_CAP_INT_ADVLOCK = 0x00000100
VOL_CAP_INT_FLOCK = 0x00000200
VOL_CAP_INT_EXTENDED_SECURITY = 0x00000400
VOL_CAP_INT_USERACCESS = 0x00000800
VOL_CAP_INT_MANLOCK = 0x00001000
VOL_CAP_INT_NAMEDSTREAMS = 0x00002000
VOL_CAP_INT_EXTENDED_ATTR = 0x00004000
VOL_CAP_INT_CLONE = 0x00010000
VOL_CAP_INT_SNAPSHOT = 0x00020000
VOL_CAP_INT_RENAME_SWAP = 0x00040000
VOL_CAP_INT_RENAME_EXCL = 0x00080000
VOL_CAP_INT_RENAME_OPENFAIL = 0x00100000
ATTR_CMN_NAME = 0x00000001
ATTR_CMN_DEVID = 0x00000002
ATTR_CMN_FSID = 0x00000004
ATTR_CMN_OBJTYPE = 0x00000008
ATTR_CMN_OBJTAG = 0x00000010
ATTR_CMN_OBJID = 0x00000020
ATTR_CMN_OBJPERMANENTID = 0x00000040
ATTR_CMN_PAROBJID = 0x00000080
ATTR_CMN_SCRIPT = 0x00000100
ATTR_CMN_CRTIME = 0x00000200
ATTR_CMN_MODTIME = 0x00000400
ATTR_CMN_CHGTIME = 0x00000800
ATTR_CMN_ACCTIME = 0x00001000
ATTR_CMN_BKUPTIME = 0x00002000
ATTR_CMN_FNDRINFO = 0x00004000
ATTR_CMN_OWNERID = 0x00008000
ATTR_CMN_GRPID = 0x00010000
ATTR_CMN_ACCESSMASK = 0x00020000
ATTR_CMN_FLAGS = 0x00040000
ATTR_CMN_GEN_COUNT = 0x00080000
ATTR_CMN_DOCUMENT_ID = 0x00100000
ATTR_CMN_USERACCESS = 0x00200000
ATTR_CMN_EXTENDED_SECURITY = 0x00400000
ATTR_CMN_UUID = 0x00800000
ATTR_CMN_GRPUUID = 0x01000000
ATTR_CMN_FILEID = 0x02000000
ATTR_CMN_PARENTID = 0x04000000
ATTR_CMN_FULLPATH = 0x08000000
ATTR_CMN_ADDEDTIME = 0x10000000
ATTR_CMN_ERROR = 0x20000000
ATTR_CMN_DATA_PROTECT_FLAGS = 0x40000000
ATTR_CMN_RETURNED_ATTRS = 0x80000000
ATTR_CMN_ALL_ATTRS = 0xffffffff
ATTR_CMN_VALIDMASK = 0xffffffff
ATTR_CMN_SETMASK = 0x51c7ff00
ATTR_CMN_VOLSETMASK = 0x00006700
ATTR_VOL_FSTYPE = 0x00000001
ATTR_VOL_SIGNATURE = 0x00000002
ATTR_VOL_SIZE = 0x00000004
ATTR_VOL_SPACEFREE = 0x00000008
ATTR_VOL_SPACEAVAIL = 0x00000010
ATTR_VOL_MINALLOCATION = 0x00000020
ATTR_VOL_ALLOCATIONCLUMP = 0x00000040
ATTR_VOL_IOBLOCKSIZE = 0x00000080
ATTR_VOL_OBJCOUNT = 0x00000100
ATTR_VOL_FILECOUNT = 0x00000200
ATTR_VOL_DIRCOUNT = 0x00000400
ATTR_VOL_MAXOBJCOUNT = 0x00000800
ATTR_VOL_MOUNTPOINT = 0x00001000
ATTR_VOL_NAME = 0x00002000
ATTR_VOL_MOUNTFLAGS = 0x00004000
ATTR_VOL_MOUNTEDDEVICE = 0x00008000
ATTR_VOL_ENCODINGSUSED = 0x00010000
ATTR_VOL_CAPABILITIES = 0x00020000
ATTR_VOL_UUID = 0x00040000
ATTR_VOL_QUOTA_SIZE = 0x10000000
ATTR_VOL_RESERVED_SIZE = 0x20000000
ATTR_VOL_ATTRIBUTES = 0x40000000
ATTR_VOL_INFO = 0x80000000
ATTR_VOL_ALL_ATTRS = 0xf007ffff
ATTR_DIR_LINKCOUNT = 0x00000001
ATTR_DIR_ENTRYCOUNT = 0x00000002
ATTR_DIR_MOUNTSTATUS = 0x00000004
DIR_MNTSTATUS_MNTPOINT = 0x00000001
DIR_MNTSTATUS_TRIGGER = 0x00000002
ATTR_DIR_ALLOCSIZE = 0x00000008
ATTR_DIR_IOBLOCKSIZE = 0x00000010
ATTR_DIR_DATALENGTH = 0x00000020
ATTR_DIR_ALL_ATTRS = 0x0000003f
ATTR_DIR_VALIDMASK = 0x0000003f
ATTR_DIR_SETMASK = 0x00000000
ATTR_FILE_LINKCOUNT = 0x00000001
ATTR_FILE_TOTALSIZE = 0x00000002
ATTR_FILE_ALLOCSIZE = 0x00000004
ATTR_FILE_IOBLOCKSIZE = 0x00000008
ATTR_FILE_DEVTYPE = 0x00000020
ATTR_FILE_FORKCOUNT = 0x00000080
ATTR_FILE_FORKLIST = 0x00000100
ATTR_FILE_DATALENGTH = 0x00000200
ATTR_FILE_DATAALLOCSIZE = 0x00000400
ATTR_FILE_RSRCLENGTH = 0x00001000
ATTR_FILE_RSRCALLOCSIZE = 0x00002000
ATTR_FILE_ALL_ATTRS = 0x000037ff
ATTR_FILE_VALIDMASK = 0x000037ff
ATTR_FILE_SETMASK = 0x00000020
# These are deprecated
ATTR_FORK_TOTALSIZE = 0x00000001
ATTR_FORK_ALLOCSIZE = 0x00000002
ATTR_FORK_ALL_ATTRS = 0x00000003
# These go in the fork attribute field
ATTR_CMNEXT_RELPATH = 0x00000004
ATTR_CMNEXT_PRIVATESIZE = 0x00000008
ATTR_CMNEXT_LINKID = 0x0000010
ATTR_CMNEXT_NOFIRMLINKPATH = 0x00000020
ATTR_CMNEXT_REALDEVID = 0x00000040
ATTR_CMNEXT_REALFSID = 0x00000080
ATTR_CMNEXT_CLONEID = 0x00000100
ATTR_CMNEXT_EXT_FLAGS = 0x00000200
ATTR_CMNEXT_RECURSIVE_GENCOUNT = 0x00000400
ATTR_CMNEXT_ALL_ATTRS = 0x000007fc
ATTR_CMNEXT_VALIDMASK = 0x000007fc
ATTR_CMNEXT_SETMASK = 0x00000000
ATTR_FORK_VALIDMASK = 0x00000003
ATTR_FORK_SETMASK = 0x00000000
# These can't be used
ATTR_CMN_NAMEDATTRCOUNT = 0x00080000
ATTR_CMN_NAMEDATTRLIST = 0x00100000
ATTR_FILE_CLUMPSIZE = 0x00000010
ATTR_FILE_FILETYPE = 0x00000040
ATTR_FILE_DATAEXTENTS = 0x00000800
ATTR_FILE_RSRCEXTENTS = 0x00004000
class attrlist(Structure):
_fields_ = [('bitmapcount', c_ushort),
('reserved', c_ushort),
('commonattr', c_uint),
('volattr', c_uint),
('dirattr', c_uint),
('fileattr', c_uint),
('forkattr', c_uint)]
class attribute_set_t(Structure):
_fields_ = [('commonattr', c_uint),
('volattr', c_uint),
('dirattr', c_uint),
('fileattr', c_uint),
('forkattr', c_uint)]
class fsobj_id_t(Structure):
_fields_ = [('fid_objno', c_uint),
('fid_generation', c_uint)]
class timespec(Structure):
_fields_ = [('tv_sec', c_long),
('tv_nsec', c_long)]
class attrreference_t(Structure):
_fields_ = [('attr_dataoffset', c_int),
('attr_length', c_uint)]
class fsid_t(Structure):
_fields_ = [('val', c_uint * 2)]
class guid_t(Structure):
_fields_ = [('g_guid', c_byte*16)]
class kauth_ace(Structure):
_fields_ = [('ace_applicable', guid_t),
('ace_flags', c_uint)]
class kauth_acl(Structure):
_fields_ = [('acl_entrycount', c_uint),
('acl_flags', c_uint),
('acl_ace', kauth_ace * 128)]
class kauth_filesec(Structure):
_fields_ = [('fsec_magic', c_uint),
('fsec_owner', guid_t),
('fsec_group', guid_t),
('fsec_acl', kauth_acl)]
class diskextent(Structure):
_fields_ = [('startblock', c_uint),
('blockcount', c_uint)]
OSType = c_uint
UInt16 = c_ushort
SInt16 = c_short
SInt32 = c_int
class Point(Structure):
_fields_ = [('x', SInt16),
('y', SInt16)]
class Rect(Structure):
_fields_ = [('x', SInt16),
('y', SInt16),
('w', SInt16),
('h', SInt16)]
class FileInfo(Structure):
_fields_ = [('fileType', OSType),
('fileCreator', OSType),
('finderFlags', UInt16),
('location', Point),
('reservedField', UInt16),
('reserved1', SInt16 * 4),
('extendedFinderFlags', UInt16),
('reserved2', SInt16),
('putAwayFolderID', SInt32)]
class FolderInfo(Structure):
_fields_ = [('windowBounds', Rect),
('finderFlags', UInt16),
('location', Point),
('reservedField', UInt16),
('scrollPosition', Point),
('reserved1', SInt32),
('extendedFinderFlags', UInt16),
('reserved2', SInt16),
('putAwayFolderID', SInt32)]
class FinderInfo(Union):
_fields_ = [('fileInfo', FileInfo),
('folderInfo', FolderInfo)]
extentrecord = diskextent * 8
vol_capabilities_set_t = c_uint * 4
class vol_capabilities_attr_t(Structure):
_fields_ = [('capabilities', vol_capabilities_set_t),
('valid', vol_capabilities_set_t)]
class vol_attributes_attr_t(Structure):
_fields_ = [('validattr', attribute_set_t),
('nativeattr', attribute_set_t)]
dev_t = c_uint
fsobj_type_t = c_uint
VNON = 0
VREG = 1
VDIR = 2
VBLK = 3
VCHR = 4
VLNK = 5
VSOCK = 6
VFIFO = 7
VBAD = 8
VSTR = 9
VCPLX = 10
fsobj_tag_t = c_uint
VT_NON = 0
VT_UFS = 1
VT_NFS = 2
VT_MFS = 3
VT_MSDOSFS = 4
VT_LFS = 5
VT_LOFS = 6
VT_FDESC = 7
VT_PORTAL = 8
VT_NULL = 9
VT_UMAP = 10
VT_KERNFS = 11
VT_PROCFS = 12
VT_AFS = 13
VT_ISOFS = 14
VT_UNION = 15
VT_HFS = 16
VT_ZFS = 17
VT_DEVFS = 18
VT_WEBDAV = 19
VT_UDF = 20
VT_AFP = 21
VT_CDDA = 22
VT_CIFS = 23
VT_OTHER = 24
fsfile_type_t = c_uint
fsvolid_t = c_uint
text_encoding_t = c_uint
uid_t = c_uint
gid_t = c_uint
int32_t = c_int
uint32_t = c_uint
int64_t = c_longlong
uint64_t = c_ulonglong
off_t = c_long
size_t = c_ulong
uuid_t = c_byte*16
NAME_MAX = 255
PATH_MAX = 1024
FSTYPE_MAX = 16
class struct_statfs(Structure):
_fields_ = [('f_bsize', uint32_t),
('f_iosize', int32_t),
('f_blocks', uint64_t),
('f_bfree', uint64_t),
('f_bavail', uint64_t),
('f_files', uint64_t),
('f_ffree', uint64_t),
('f_fsid', fsid_t),
('f_owner', uid_t),
('f_type', uint32_t),
('f_flags', uint32_t),
('f_fssubtype', uint32_t),
('f_fstypename', c_char * FSTYPE_MAX),
('f_mntonname', c_char * PATH_MAX),
('f_mntfromname', c_char * PATH_MAX),
('f_flags_ext', uint32_t),
('f_reserved', uint32_t * 7)]
# Calculate the maximum number of bytes required for the attribute buffer
_attr_info = (
# Common attributes
(0, ATTR_CMN_RETURNED_ATTRS, sizeof(attribute_set_t)),
(0, ATTR_CMN_NAME, sizeof(attrreference_t) + NAME_MAX * 3 + 1),
(0, ATTR_CMN_DEVID, sizeof(dev_t)),
(0, ATTR_CMN_FSID, sizeof(fsid_t)),
(0, ATTR_CMN_OBJTYPE, sizeof(fsobj_type_t)),
(0, ATTR_CMN_OBJTAG, sizeof(fsobj_tag_t)),
(0, ATTR_CMN_OBJID, sizeof(fsobj_id_t)),
(0, ATTR_CMN_OBJPERMANENTID, sizeof(fsobj_id_t)),
(0, ATTR_CMN_PAROBJID, sizeof(fsobj_id_t)),
(0, ATTR_CMN_SCRIPT, sizeof(text_encoding_t)),
(0, ATTR_CMN_CRTIME, sizeof(timespec)),
(0, ATTR_CMN_MODTIME, sizeof(timespec)),
(0, ATTR_CMN_CHGTIME, sizeof(timespec)),
(0, ATTR_CMN_ACCTIME, sizeof(timespec)),
(0, ATTR_CMN_BKUPTIME, sizeof(timespec)),
(0, ATTR_CMN_FNDRINFO, sizeof(FinderInfo)),
(0, ATTR_CMN_OWNERID, sizeof(uid_t)),
(0, ATTR_CMN_GRPID, sizeof(gid_t)),
(0, ATTR_CMN_ACCESSMASK, sizeof(uint32_t)),
(0, ATTR_CMN_NAMEDATTRCOUNT, None),
(0, ATTR_CMN_NAMEDATTRLIST, None),
(0, ATTR_CMN_FLAGS, sizeof(uint32_t)),
(0, ATTR_CMN_GEN_COUNT, sizeof(uint32_t)),
(0, ATTR_CMN_DOCUMENT_ID, sizeof(uint32_t)),
(0, ATTR_CMN_USERACCESS, sizeof(uint32_t)),
(0, ATTR_CMN_EXTENDED_SECURITY, sizeof(attrreference_t) + sizeof(kauth_filesec)),
(0, ATTR_CMN_UUID, sizeof(guid_t)),
(0, ATTR_CMN_GRPUUID, sizeof(guid_t)),
(0, ATTR_CMN_FILEID, sizeof(uint64_t)),
(0, ATTR_CMN_PARENTID, sizeof(uint64_t)),
(0, ATTR_CMN_FULLPATH, sizeof(attrreference_t) + PATH_MAX),
(0, ATTR_CMN_ADDEDTIME, sizeof(timespec)),
(0, ATTR_CMN_DATA_PROTECT_FLAGS, sizeof(uint32_t)),
# Volume attributes
(1, ATTR_VOL_FSTYPE, sizeof(uint32_t)),
(1, ATTR_VOL_SIGNATURE, sizeof(uint32_t)),
(1, ATTR_VOL_SIZE, sizeof(off_t)),
(1, ATTR_VOL_SPACEFREE, sizeof(off_t)),
(1, ATTR_VOL_SPACEAVAIL, sizeof(off_t)),
(1, ATTR_VOL_MINALLOCATION, sizeof(off_t)),
(1, ATTR_VOL_ALLOCATIONCLUMP, sizeof(off_t)),
(1, ATTR_VOL_IOBLOCKSIZE, sizeof(uint32_t)),
(1, ATTR_VOL_OBJCOUNT, sizeof(uint32_t)),
(1, ATTR_VOL_FILECOUNT, sizeof(uint32_t)),
(1, ATTR_VOL_DIRCOUNT, sizeof(uint32_t)),
(1, ATTR_VOL_MAXOBJCOUNT, sizeof(uint32_t)),
(1, ATTR_VOL_MOUNTPOINT, sizeof(attrreference_t) + PATH_MAX),
(1, ATTR_VOL_NAME, sizeof(attrreference_t) + NAME_MAX + 1),
(1, ATTR_VOL_MOUNTFLAGS, sizeof(uint32_t)),
(1, ATTR_VOL_MOUNTEDDEVICE, sizeof(attrreference_t) + PATH_MAX),
(1, ATTR_VOL_ENCODINGSUSED, sizeof(c_ulonglong)),
(1, ATTR_VOL_CAPABILITIES, sizeof(vol_capabilities_attr_t)),
(1, ATTR_VOL_UUID, sizeof(uuid_t)),
(1, ATTR_VOL_QUOTA_SIZE, sizeof(off_t)),
(1, ATTR_VOL_RESERVED_SIZE, sizeof(off_t)),
(1, ATTR_VOL_ATTRIBUTES, sizeof(vol_attributes_attr_t)),
# Directory attributes
(2, ATTR_DIR_LINKCOUNT, sizeof(uint32_t)),
(2, ATTR_DIR_ENTRYCOUNT, sizeof(uint32_t)),
(2, ATTR_DIR_MOUNTSTATUS, sizeof(uint32_t)),
(2, ATTR_DIR_ALLOCSIZE, sizeof(off_t)),
(2, ATTR_DIR_IOBLOCKSIZE, sizeof(uint32_t)),
(2, ATTR_DIR_DATALENGTH, sizeof(off_t)),
# File attributes
(3, ATTR_FILE_LINKCOUNT, sizeof(uint32_t)),
(3, ATTR_FILE_TOTALSIZE, sizeof(off_t)),
(3, ATTR_FILE_ALLOCSIZE, sizeof(off_t)),
(3, ATTR_FILE_IOBLOCKSIZE, sizeof(uint32_t)),
(3, ATTR_FILE_CLUMPSIZE, sizeof(uint32_t)),
(3, ATTR_FILE_DEVTYPE, sizeof(uint32_t)),
(3, ATTR_FILE_FILETYPE, sizeof(uint32_t)),
(3, ATTR_FILE_FORKCOUNT, sizeof(uint32_t)),
(3, ATTR_FILE_FORKLIST, None),
(3, ATTR_FILE_DATALENGTH, sizeof(off_t)),
(3, ATTR_FILE_DATAALLOCSIZE, sizeof(off_t)),
(3, ATTR_FILE_DATAEXTENTS, sizeof(extentrecord)),
(3, ATTR_FILE_RSRCLENGTH, sizeof(off_t)),
(3, ATTR_FILE_RSRCALLOCSIZE, sizeof(off_t)),
(3, ATTR_FILE_RSRCEXTENTS, sizeof(extentrecord)),
# Fork attributes
(4, ATTR_FORK_TOTALSIZE, sizeof(off_t)),
(4, ATTR_FORK_ALLOCSIZE, sizeof(off_t)),
# Extended common attributes
(4, ATTR_CMNEXT_RELPATH, sizeof(attrreference_t) + PATH_MAX),
(4, ATTR_CMNEXT_PRIVATESIZE, sizeof(off_t)),
(4, ATTR_CMNEXT_LINKID, sizeof(uint64_t)),
(4, ATTR_CMNEXT_NOFIRMLINKPATH, sizeof(attrreference_t) + PATH_MAX),
(4, ATTR_CMNEXT_REALDEVID, sizeof(dev_t)),
(4, ATTR_CMNEXT_REALFSID, sizeof(fsid_t)),
(4, ATTR_CMNEXT_CLONEID, sizeof(uint64_t)),
(4, ATTR_CMNEXT_EXT_FLAGS, sizeof(uint64_t)),
)
def _attrbuf_size(attrs):
size = 4
for entry in _attr_info:
if attrs[entry[0]] & entry[1]:
if entry[2] is None:
raise ValueError('Unsupported attribute (%u, %x)'
% (entry[0], entry[1]))
size += entry[2]
return size
_getattrlist = libc.getattrlist
_getattrlist.argtypes = [c_char_p, POINTER(attrlist), c_void_p, c_ulong, c_ulong]
_getattrlist.restype = c_int
_fgetattrlist = libc.fgetattrlist
_fgetattrlist.argtypes = [c_int, POINTER(attrlist), c_void_p, c_ulong, c_ulong]
_fgetattrlist.restype = c_int
try:
_statfs = libc['statfs$INODE64']
except (KeyError, AttributeError):
_statfs = libc['statfs']
_statfs.argtypes = [c_char_p, POINTER(struct_statfs)]
_statfs.restype = c_int
try:
_fstatfs = libc['fstatfs$INODE64']
except (KeyError, AttributeError):
_fstatfs = libc['fstatfs']
_fstatfs.argtypes = [c_int, POINTER(struct_statfs)]
_fstatfs.restype = c_int
def _datetime_from_timespec(ts):
td = datetime.timedelta(seconds=ts.tv_sec + 1.0e-9 * ts.tv_nsec)
return unix_epoch + td
def _decode_utf8_nul(sz):
nul = sz.find(b'\0')
if nul > -1:
sz = sz[:nul]
return sz.decode('utf-8')
def _decode_attrlist_result(buf, attrs, options):
result = []
assert len(buf) >= 4
total_size = uint32_t.from_buffer(buf, 0).value
assert total_size <= len(buf)
offset = 4
# Common attributes
if attrs[0] & ATTR_CMN_RETURNED_ATTRS:
a = attribute_set_t.from_buffer(buf, offset)
result.append(a)
offset += sizeof (attribute_set_t)
if not (options & FSOPT_PACK_INVAL_ATTRS):
attrs = [a.commonattr, a.volattr, a.dirattr, a.fileattr, a.forkattr]
if attrs[0] & ATTR_CMN_NAME:
a = attrreference_t.from_buffer(buf, offset)
ofs = offset + a.attr_dataoffset
name = _decode_utf8_nul(buf[ofs:ofs+a.attr_length])
offset += sizeof (attrreference_t)
result.append(name)
if attrs[0] & ATTR_CMN_DEVID:
a = dev_t.from_buffer(buf, offset)
offset += sizeof(dev_t)
result.append(a.value)
if attrs[0] & ATTR_CMN_FSID:
a = fsid_t.from_buffer(buf, offset)
offset += sizeof(fsid_t)
result.append(a)
if attrs[0] & ATTR_CMN_OBJTYPE:
a = fsobj_type_t.from_buffer(buf, offset)
offset += sizeof(fsobj_type_t)
result.append(a.value)
if attrs[0] & ATTR_CMN_OBJTAG:
a = fsobj_tag_t.from_buffer(buf, offset)
offset += sizeof(fsobj_tag_t)
result.append(a.value)
if attrs[0] & ATTR_CMN_OBJID:
a = fsobj_id_t.from_buffer(buf, offset)
offset += sizeof(fsobj_id_t)
result.append(a)
if attrs[0] & ATTR_CMN_OBJPERMANENTID:
a = fsobj_id_t.from_buffer(buf, offset)
offset += sizeof(fsobj_id_t)
result.append(a)
if attrs[0] & ATTR_CMN_PAROBJID:
a = fsobj_id_t.from_buffer(buf, offset)
offset += sizeof(fsobj_id_t)
result.append(a)
if attrs[0] & ATTR_CMN_SCRIPT:
a = text_encoding_t.from_buffer(buf, offset)
offset += sizeof(text_encoding_t)
result.append(a.value)
if attrs[0] & ATTR_CMN_CRTIME:
a = timespec.from_buffer(buf, offset)
offset += sizeof(timespec)
result.append(_datetime_from_timespec(a))
if attrs[0] & ATTR_CMN_MODTIME:
a = timespec.from_buffer(buf, offset)
offset += sizeof(timespec)
result.append(_datetime_from_timespec(a))
if attrs[0] & ATTR_CMN_CHGTIME:
a = timespec.from_buffer(buf, offset)
offset += sizeof(timespec)
result.append(_datetime_from_timespec(a))
if attrs[0] & ATTR_CMN_ACCTIME:
a = timespec.from_buffer(buf, offset)
offset += sizeof(timespec)
result.append(_datetime_from_timespec(a))
if attrs[0] & ATTR_CMN_BKUPTIME:
a = timespec.from_buffer(buf, offset)
offset += sizeof(timespec)
result.append(_datetime_from_timespec(a))
if attrs[0] & ATTR_CMN_FNDRINFO:
a = FinderInfo.from_buffer(buf, offset)
offset += sizeof(FinderInfo)
result.append(a)
if attrs[0] & ATTR_CMN_OWNERID:
a = uid_t.from_buffer(buf, offset)
offset += sizeof(uid_t)
result.append(a.value)
if attrs[0] & ATTR_CMN_GRPID:
a = gid_t.from_buffer(buf, offset)
offset += sizeof(gid_t)
result.append(a.value)
if attrs[0] & ATTR_CMN_ACCESSMASK:
a = uint32_t.from_buffer(buf, offset)
offset += sizeof(uint32_t)
result.append(a.value)
if attrs[0] & ATTR_CMN_FLAGS:
a = uint32_t.from_buffer(buf, offset)
offset += sizeof(uint32_t)
result.append(a.value)
if attrs[0] & ATTR_CMN_GEN_COUNT:
a = uint32_t.from_buffer(buf, offset)
offset += sizeof(uint32_t)
result.append(a.value)
if attrs[0] & ATTR_CMN_DOCUMENT_ID:
a = uint32_t.from_buffer(buf, offset)
offset += sizeof(uint32_t)
result.append(a.value)
if attrs[0] & ATTR_CMN_USERACCESS:
a = uint32_t.from_buffer(buf, offset)
offset += sizeof(uint32_t)
result.append(a.value)
if attrs[0] & ATTR_CMN_EXTENDED_SECURITY:
a = attrreference_t.from_buffer(buf, offset)
ofs = offset + a.attr_dataoffset
offset += sizeof(attrreference_t)
ec = uint32_t.from_buffer(buf, ofs + 36).value
class kauth_acl(Structure):
_fields_ = [('acl_entrycount', c_uint),
('acl_flags', c_uint),
('acl_ace', kauth_ace * ec)]
class kauth_filesec(Structure):
_fields_ = [('fsec_magic', c_uint),
('fsec_owner', guid_t),
('fsec_group', guid_t),
('fsec_acl', kauth_acl)]
a = kauth_filesec.from_buffer(buf, ofs)
result.append(a)
if attrs[0] & ATTR_CMN_UUID:
result.append(uuid.UUID(bytes=buf[offset:offset+16]))
offset += sizeof(guid_t)
if attrs[0] & ATTR_CMN_GRPUUID:
result.append(uuid.UUID(bytes=buf[offset:offset+16]))
offset += sizeof(guid_t)
if attrs[0] & ATTR_CMN_FILEID:
a = uint64_t.from_buffer(buf, offset)
offset += sizeof(uint64_t)
result.append(a.value)
if attrs[0] & ATTR_CMN_PARENTID:
a = uint64_t.from_buffer(buf, offset)
offset += sizeof(uint64_t)
result.append(a.value)
if attrs[0] & ATTR_CMN_FULLPATH:
a = attrreference_t.from_buffer(buf, offset)
ofs = offset + a.attr_dataoffset
path = _decode_utf8_nul(buf[ofs:ofs+a.attr_length])
offset += sizeof (attrreference_t)
result.append(path)
if attrs[0] & ATTR_CMN_ADDEDTIME:
a = timespec.from_buffer(buf, offset)
offset += sizeof(timespec)
result.append(_datetime_from_timespec(a))
if attrs[0] & ATTR_CMN_DATA_PROTECT_FLAGS:
a = uint32_t.from_buffer(buf, offset)
offset += sizeof(uint32_t)
result.append(a.value)
# Volume attributes
if attrs[1] & ATTR_VOL_FSTYPE:
a = uint32_t.from_buffer(buf, offset)
offset += sizeof(uint32_t)
result.append(a.value)
if attrs[1] & ATTR_VOL_SIGNATURE:
a = uint32_t.from_buffer(buf, offset)
offset += sizeof(uint32_t)
result.append(a.value)
if attrs[1] & ATTR_VOL_SIZE:
a = off_t.from_buffer(buf, offset)
offset += sizeof(off_t)
result.append(a.value)
if attrs[1] & ATTR_VOL_SPACEFREE:
a = off_t.from_buffer(buf, offset)
offset += sizeof(off_t)
result.append(a.value)
if attrs[1] & ATTR_VOL_SPACEAVAIL:
a = off_t.from_buffer(buf, offset)
offset += sizeof(off_t)
result.append(a.value)
if attrs[1] & ATTR_VOL_MINALLOCATION:
a = off_t.from_buffer(buf, offset)
offset += sizeof(off_t)
result.append(a.value)
if attrs[1] & ATTR_VOL_ALLOCATIONCLUMP:
a = off_t.from_buffer(buf, offset)
offset += sizeof(off_t)
result.append(a.value)
if attrs[1] & ATTR_VOL_IOBLOCKSIZE:
a = uint32_t.from_buffer(buf, offset)
offset += sizeof(uint32_t)
result.append(a.value)
if attrs[1] & ATTR_VOL_OBJCOUNT:
a = uint32_t.from_buffer(buf, offset)
offset += sizeof(uint32_t)
result.append(a.value)
if attrs[1] & ATTR_VOL_FILECOUNT:
a = uint32_t.from_buffer(buf, offset)
offset += sizeof(uint32_t)
result.append(a.value)
if attrs[1] & ATTR_VOL_DIRCOUNT:
a = uint32_t.from_buffer(buf, offset)
offset += sizeof(uint32_t)
result.append(a.value)
if attrs[1] & ATTR_VOL_MAXOBJCOUNT:
a = uint32_t.from_buffer(buf, offset)
offset += sizeof(uint32_t)
result.append(a.value)
if attrs[1] & ATTR_VOL_MOUNTPOINT:
a = attrreference_t.from_buffer(buf, offset)
ofs = offset + a.attr_dataoffset
path = _decode_utf8_nul(buf[ofs:ofs+a.attr_length])
offset += sizeof (attrreference_t)
result.append(path)
if attrs[1] & ATTR_VOL_NAME:
a = attrreference_t.from_buffer(buf, offset)
ofs = offset + a.attr_dataoffset
name = _decode_utf8_nul(buf[ofs:ofs+a.attr_length])
offset += sizeof (attrreference_t)
result.append(name)
if attrs[1] & ATTR_VOL_MOUNTFLAGS:
a = uint32_t.from_buffer(buf, offset)
offset += sizeof(uint32_t)
result.append(a.value)
if attrs[1] & ATTR_VOL_MOUNTEDDEVICE:
a = attrreference_t.from_buffer(buf, offset)
ofs = offset + a.attr_dataoffset
path = _decode_utf8_nul(buf[ofs:ofs+a.attr_length])
offset += sizeof (attrreference_t)
result.append(path)
if attrs[1] & ATTR_VOL_ENCODINGSUSED:
a = c_ulonglong.from_buffer(buf, offset)
offset += sizeof(c_ulonglong)
result.append(a.value)
if attrs[1] & ATTR_VOL_CAPABILITIES:
a = vol_capabilities_attr_t.from_buffer(buf, offset)
offset += sizeof(vol_capabilities_attr_t)
result.append(a)
if attrs[1] & ATTR_VOL_UUID:
result.append(uuid.UUID(bytes=buf[offset:offset+16]))
offset += sizeof(uuid_t)
if attrs[1] & ATTR_VOL_QUOTA_SIZE:
a = off_t.from_buffer(buf, offset)
offset += sizeof(off_t)
result.append(a.value)
if attrs[1] & ATTR_VOL_RESERVED_SIZE:
a = off_t.from_buffer(buf, offset)
offset += sizeof(off_t)
result.append(a.value)
if attrs[1] & ATTR_VOL_ATTRIBUTES:
a = vol_attributes_attr_t.from_buffer(buf, offset)
offset += sizeof(vol_attributes_attr_t)
result.append(a)
# Directory attributes
if attrs[2] & ATTR_DIR_LINKCOUNT:
a = uint32_t.from_buffer(buf, offset)
offset += sizeof(uint32_t)
result.append(a.value)
if attrs[2] & ATTR_DIR_ENTRYCOUNT:
a = uint32_t.from_buffer(buf, offset)
offset += sizeof(uint32_t)
result.append(a.value)
if attrs[2] & ATTR_DIR_MOUNTSTATUS:
a = uint32_t.from_buffer(buf, offset)
offset += sizeof(uint32_t)
result.append(a.value)
if attrs[2] & ATTR_DIR_ALLOCSIZE:
a = off_t.from_buffer(buf, offset)
offset += sizeof(off_t)
result.append(a.value)
if attrs[2] & ATTR_DIR_IOBLOCKSIZE:
a = uint32_t.from_buffer(buf, offset)
offset += sizeof(uint32_t)
result.append(a.value)
if attrs[2] & ATTR_DIR_DATALENGTH:
a = off_t.from_buffer(buf, offset)
offset += sizeof(off_t)
result.append(a.value)
# File attributes
if attrs[3] & ATTR_FILE_LINKCOUNT:
a = uint32_t.from_buffer(buf, offset)
offset += sizeof(uint32_t)
result.append(a.value)
if attrs[3] & ATTR_FILE_TOTALSIZE:
a = off_t.from_buffer(buf, offset)
offset += sizeof(off_t)
result.append(a.value)
if attrs[3] & ATTR_FILE_ALLOCSIZE:
a = off_t.from_buffer(buf, offset)
offset += sizeof(off_t)
result.append(a.value)
if attrs[3] & ATTR_FILE_IOBLOCKSIZE:
a = uint32_t.from_buffer(buf, offset)
offset += sizeof(uint32_t)
result.append(a.value)
if attrs[3] & ATTR_FILE_CLUMPSIZE:
a = uint32_t.from_buffer(buf, offset)
offset += sizeof(uint32_t)
result.append(a.value)
if attrs[3] & ATTR_FILE_DEVTYPE:
a = uint32_t.from_buffer(buf, offset)
offset += sizeof(uint32_t)
result.append(a.value)
if attrs[3] & ATTR_FILE_FILETYPE:
a = uint32_t.from_buffer(buf, offset)
offset += sizeof(uint32_t)
result.append(a.value)
if attrs[3] & ATTR_FILE_FORKCOUNT:
a = uint32_t.from_buffer(buf, offset)
offset += sizeof(uint32_t)
result.append(a.value)
if attrs[3] & ATTR_FILE_DATALENGTH:
a = off_t.from_buffer(buf, offset)
offset += sizeof(off_t)
result.append(a.value)
if attrs[3] & ATTR_FILE_DATAALLOCSIZE:
a = off_t.from_buffer(buf, offset)
offset += sizeof(off_t)
result.append(a.value)
if attrs[3] & ATTR_FILE_DATAEXTENTS:
a = extentrecord.from_buffer(buf, offset)
offset += sizeof(extentrecord)
result.append(a.value)
if attrs[3] & ATTR_FILE_RSRCLENGTH:
a = off_t.from_buffer(buf, offset)
offset += sizeof(off_t)
result.append(a.value)
if attrs[3] & ATTR_FILE_RSRCALLOCSIZE:
a = off_t.from_buffer(buf, offset)
offset += sizeof(off_t)
result.append(a.value)
if attrs[3] & ATTR_FILE_RSRCEXTENTS:
a = extentrecord.from_buffer(buf, offset)
offset += sizeof(extentrecord)
result.append(a.value)
# Fork attributes
if attrs[4] & ATTR_FORK_TOTALSIZE:
a = off_t.from_buffer(buf, offset)
offset += sizeof(off_t)
result.append(a.value)
if attrs[4] & ATTR_FORK_ALLOCSIZE:
a = off_t.from_buffer(buf, offset)
offset += sizeof(off_t)
result.append(a.value)
# Extended common attributes
if attrs[4] & ATTR_CMNEXT_RELPATH:
a = attrreference_t.from_buffer(buf, offset)
ofs = offset + a.attr_dataoffset
path = _decode_utf8_nul(buf[ofs:ofs+a.attr_length])
offset += sizeof (attrreference_t)
result.append(path)
if attrs[4] & ATTR_CMNEXT_PRIVATESIZE:
a = off_t.from_buffer(buf, offset)
offset += sizeof(off_t)
result.append(a.value)
if attrs[4] & ATTR_CMNEXT_LINKID:
a = uint64_t.from_buffer(buf, offset)
offset += sizeof(uint64_t)
result.append(a.value)
if attrs[4] & ATTR_CMNEXT_NOFIRMLINKPATH:
a = attrreference_t.from_buffer(buf, offset)
ofs = offset + a.attr_dataoffset
path = _decode_utf8_nul(buf[ofs:ofs+a.attr_length])
offset += sizeof (attrreference_t)
result.append(path)
if attrs[4] & ATTR_CMNEXT_REALDEVID:
a = dev_t.from_buffer(buf, offset)
offset += sizeof(dev_t)
result.append(a.value)
if attrs[4] & ATTR_CMNEXT_REALFSID:
a = fsid_t.from_buffer(buf, offset)
offset += sizeof(fsid_t)
result.append(a.value)
if attrs[4] & ATTR_CMNEXT_CLONEID:
a = uint64_t.from_buffer(buf, offset)
offset += sizeof(uint64_t)
result.append(a.value)
if attrs[4] & ATTR_CMNEXT_EXT_FLAGS:
a = uint64_t.from_buffer(buf, offset)
offset += sizeof(uint64_t)
result.append(a.value)
return result
# Sadly, ctypes.get_errno() seems not to work
__error = libc.__error
__error.restype = POINTER(c_int)
def _get_errno():
return __error().contents.value
def getattrlist(path, attrs, options):
if not isinstance(path, bytes):
path = path.encode('utf-8')
attrs = list(attrs)
if attrs[1]:
attrs[1] |= ATTR_VOL_INFO
alist = attrlist(bitmapcount=5,
commonattr=attrs[0],
volattr=attrs[1],
dirattr=attrs[2],
fileattr=attrs[3],
forkattr=attrs[4])
bufsize = _attrbuf_size(attrs)
buf = create_string_buffer(bufsize)
ret = _getattrlist(path, byref(alist), buf, bufsize,
options | FSOPT_REPORT_FULLSIZE)
if ret < 0:
err = _get_errno()
raise OSError(err, os.strerror(err), path)
return _decode_attrlist_result(buf, attrs, options)
def fgetattrlist(fd, attrs, options):
if hasattr(fd, 'fileno'):
fd = fd.fileno()
attrs = list(attrs)
if attrs[1]:
attrs[1] |= ATTR_VOL_INFO
alist = attrlist(bitmapcount=5,
commonattr=attrs[0],
volattr=attrs[1],
dirattr=attrs[2],
fileattr=attrs[3],
forkattr=attrs[4])
bufsize = _attrbuf_size(attrs)
buf = create_string_buffer(bufsize)
ret = _fgetattrlist(fd, byref(alist), buf, bufsize,
options | FSOPT_REPORT_FULLSIZE)
if ret < 0:
err = _get_errno()
raise OSError(err, os.strerror(err))
return _decode_attrlist_result(buf, attrs, options)
def statfs(path):
if not isinstance(path, bytes):
path = path.encode('utf-8')
result = struct_statfs()
ret = _statfs(path, byref(result))
if ret < 0:
err = _get_errno()
raise OSError(err, os.strerror(err), path)
return result
def fstatfs(fd):
if hasattr(fd, 'fileno'):
fd = fd.fileno()
result = struct_statfs()
ret = _fstatfs(fd, byref(result))
if ret < 0:
err = _get_errno()
raise OSError(err, os.strerror(err))
return result