def _encode_linux_xattr(self):
if self.linux_xattr:
result = vint.pack("V", len(self.linux_xattr))
for name, value in self.linux_xattr:
result += vint.pack("ss", name, value)
return result
else:
return None
def _encode_posix1e_acl(self):
# Encode as two strings (w/default ACL string possibly empty).
if self.posix1e_acl:
acls = self.posix1e_acl
if len(acls) == 2:
acls.extend(["", ""])
return vint.pack("ssss", acls[0], acls[1], acls[2], acls[3])
else:
return None
def _encode_posix1e_acl(self):
# Encode as two strings (w/default ACL string possibly empty).
if self.posix1e_acl:
acls = self.posix1e_acl
txt_flags = posix1e.TEXT_ABBREVIATE
num_flags = posix1e.TEXT_ABBREVIATE | posix1e.TEXT_NUMERIC_IDS
acl_reps = [acls[0].to_any_text("", "\n", txt_flags), acls[1].to_any_text("", "\n", num_flags)]
if len(acls) < 3:
acl_reps += ["", ""]
else:
acl_reps.append(acls[2].to_any_text("", "\n", txt_flags))
acl_reps.append(acls[3].to_any_text("", "\n", num_flags))
return vint.pack("ssss", acl_reps[0], acl_reps[1], acl_reps[2], acl_reps[3])
else:
return None
def path_info(conn, junk):
_init_session()
n = vint.read_vuint(conn)
paths = []
for i in range(n):
paths.append(vint.read_bvec(conn))
result = vfs.path_info(paths, vfs.RefList(None))
assert(len(result) == len(paths))
for item in result:
if item:
name, id, type = item
vint.write_bvec(conn, vint.pack('sss', name, id, type))
else:
vint.write_bvec(conn, '')
conn.ok()
def _encode_common(self):
atime = self.atime.to_timespec()
mtime = self.mtime.to_timespec()
ctime = self.ctime.to_timespec()
result = vint.pack('VVsVsVvVvVvV',
self.mode,
self.uid,
self.owner,
self.gid,
self.group,
self.rdev,
atime[0],
atime[1],
mtime[0],
mtime[1],
ctime[0],
ctime[1])
return result
def _encode_common(self):
atime = xstat.nsecs_to_timespec(self.atime)
mtime = xstat.nsecs_to_timespec(self.mtime)
ctime = xstat.nsecs_to_timespec(self.ctime)
result = vint.pack('VVsVsVvVvVvV',
self.mode,
self.uid,
self.user,
self.gid,
self.group,
self.rdev,
atime[0],
atime[1],
mtime[0],
mtime[1],
ctime[0],
ctime[1])
return result
def _encode_common(self):
if not self.mode:
return None
atime = xstat.nsecs_to_timespec(self.atime)
mtime = xstat.nsecs_to_timespec(self.mtime)
ctime = xstat.nsecs_to_timespec(self.ctime)
result = vint.pack('VVsVsVvVvVvV',
self.mode,
self.uid,
self.user,
self.gid,
self.group,
self.rdev,
atime[0],
atime[1],
mtime[0],
mtime[1],
ctime[0],
ctime[1])
return result
def _encode_common(self):
if not self.mode:
return None
atime = xstat.nsecs_to_timespec(self.atime)
mtime = xstat.nsecs_to_timespec(self.mtime)
ctime = xstat.nsecs_to_timespec(self.ctime)
result = vint.pack('vvsvsvvVvVvVv',
self.mode,
self.uid,
self.user,
self.gid,
self.group,
self.rdev,
atime[0],
atime[1],
mtime[0],
mtime[1],
ctime[0],
ctime[1],
self.size if self.size is not None else -1)
return result
def _encode_common(self):
if not self.mode:
return None
atime = xstat.nsecs_to_timespec(self.atime)
mtime = xstat.nsecs_to_timespec(self.mtime)
ctime = xstat.nsecs_to_timespec(self.ctime)
result = vint.pack(
"vvsvsvvVvVvV",
self.mode,
self.uid,
self.user,
self.gid,
self.group,
self.rdev,
atime[0],
atime[1],
mtime[0],
mtime[1],
ctime[0],
ctime[1],
)
return result
def _encode_linux_attr(self):
if self.linux_attr:
return vint.pack("V", self.linux_attr)
else:
return None
def _encode_path(self):
if self.path:
return vint.pack("s", self.path)
else:
return None
import libnacl.sealed
except ImportError:
libnacl = None
from bup import compat, git, vfs
from bup.helpers import mkdirp
from bup.vint import read_vuint, pack
from bup.storage import get_storage, FileNotFound, Kind
from bup.compat import bytes_from_uint, byte_int
from bup.repo import ConfigRepo
from bup import hashsplit
# 1 GiB is the most we're willing to store as a single object
# (this is after compression and encryption)
MAX_ENC_BLOB = 1024 * 1024 * 1024
MAX_ENC_BLOB_VUINT_LEN = len(pack('V', MAX_ENC_BLOB))
NONCE_DATA, NONCE_LEN = 0, 0x80
class EncryptedVuintReader:
def __init__(self, file, vuint_cs, szhint):
self.file = file
self.vuint_cs = [byte_int(x) for x in vuint_cs]
self.offs = 0
self.szhint = szhint
def read(self, sz):
assert sz == 1
v = byte_int(self.file.read(1, szhint=self.szhint)[0])
self.szhint -= 1
def _encode_linux_attr(self):
if self.linux_attr:
return vint.pack('V', self.linux_attr)
else:
return None
def _encode_path(self):
if self.path:
return vint.pack('s', self.path)
else:
return None
def pack_and_unpack(types, *values):
data = vint.pack(types, *values)
return vint.unpack(types, data)
def pack_and_unpack(types, *values):
data = vint.pack(types, *values)
return vint.unpack(types, data)
