def add(self, uid, **properties):
tuples = self.tuples.write_batch(transaction=True)
index = self.index.write_batch(transaction=True)
for key, value in properties.items():
tuples.put(pack(uid, key), pack(value))
index.put(pack(key, value, uid), '')
tuples.write()
index.write()
def delete(self, uid):
tuples = self.tuples.write_batch(transaction=True)
index = self.index.write_batch(transaction=True)
for key, value in self.tuples.iterator(start=pack(uid)):
other, name = unpack(key)
if uid == other:
tuples.delete(key)
value = unpack(value)[0]
index.delete(pack(name, value, uid))
else:
break
tuples.write()
index.write()
def query(self, key, value=''):
with self.index() as cursor:
match = (key, value) if value else (key,)
cursor.set_key(key, pack(value), 0)
code = cursor.search_near()
if code == WT_NOT_FOUND:
return
if code == -1:
if cursor.next() == WT_NOT_FOUND:
return
while True:
key, value, uid = cursor.get_key()
value = unpack(value)[0]
other = (key, value)
ok = reduce(
lambda previous, x: (cmp(*x) == 0) and previous,
zip(match, other),
True
)
if ok:
yield [key, value, uid]
if cursor.next() == WT_NOT_FOUND:
break
else:
break
def __get():
for key, value in self.tuples.iterator(start=pack(uid)):
other, key = unpack(key)
if other == uid:
value = unpack(value)[0]
yield key, value
else:
break
def ref(self, uid, key):
match = [uid, key]
for key, value in self.tuples.iterator(start=pack(uid, key)):
other = unpack(key)
if other == match:
value = unpack(value)[0]
return value
else:
return None
def set_value(self, *args): '''set_value(self) -> None @copydoc WT_CURSOR::set_value''' if len(args) == 1 and type(args[0]) == tuple: args = args[0] # Keep the Python string pinned self._value = pack(self.value_format, *args) self._set_value(self._value)
def set_value(self, *args): '''set_value(self) -> None @copydoc WT_ASYNC_OP::set_value''' if len(args) == 1 and type(args[0]) == tuple: args = args[0] # Keep the Python string pinned self._value = pack(self.value_format, *args) self._set_value(self._value)
def check_common(fmt, verbose, *v):
v = list(v)
packed = pack(fmt, *v)
unpacked = unpack(fmt, packed)
if unpacked == v:
result = 'ok'
else:
result = '** FAIL!'
print '* %s as %s: %s' % (repr(v), fmt, result)
if verbose or unpacked != v:
print '** packed: ', ''.join('%02x' % ord(c) for c in packed)
print '** unpacked: ', unpacked
def set_key(self, *args): '''set_key(self) -> None @copydoc WT_ASYNC_OP::set_key''' if len(args) == 1 and type(args[0]) == tuple: args = args[0] if self.is_column: self._set_recno(long(args[0])) else: # Keep the Python string pinned self._key = pack(self.key_format, *args) self._set_key(self._key)
def check_common(fmt, verbose, *v):
v = list(v)
packed = pack(fmt, *v)
unpacked = unpack(fmt, packed)
if unpacked == v:
result = 'ok'
else:
result = '** FAIL!'
print '* %s as %s: %s' % (repr(v), fmt, result)
if verbose or unpacked != v:
print '** packed: ', ''.join('%02x' % ord(c) for c in packed)
print '** unpacked: ', unpacked
def set_key(self, *args): '''set_key(self) -> None @copydoc WT_CURSOR::set_key''' if len(args) == 1 and type(args[0]) == tuple: args = args[0] if self.is_column: self._set_recno(long(args[0])) else: # Keep the Python string pinned self._key = pack(self.key_format, *args) self._set_key(self._key)
def query(self, key, value=''):
match = (key, value) if value else (key,)
iterator = self.index.iterator(start=pack(key, value))
for key, value in iterator:
other = unpack(key)
ok = reduce(
lambda previous, x: (cmp(*x) == 0) and previous,
zip(match, other),
True
)
if ok:
yield other
else:
break
def sockaddr(host, port, network='ipv4'):
"""sockaddr(host, port, network = 'ipv4') -> (data, length, family)
Creates a sockaddr_in or sockaddr_in6 memory buffer for use in shellcode.
Arguments:
host (str): Either an IP address or a hostname to be looked up.
port (int): TCP/UDP port.
network (str): Either 'ipv4' or 'ipv6'.
Returns:
A tuple containing the sockaddr buffer, length, and the address family.
"""
address_family = {'ipv4': socket.AF_INET, 'ipv6': socket.AF_INET6}[network]
for family, _, _, _, ip in socket.getaddrinfo(host, None, address_family):
ip = ip[0]
if family == address_family:
break
else:
log.error("Could not find %s address for %r" % (network, host))
info = socket.getaddrinfo(host, None, address_family)
host = socket.inet_pton(address_family, ip)
sockaddr = p16(address_family)
sockaddr += pack(
port, word_size=16,
endianness='big') #Port should be big endian = network byte order
length = 0
if network == 'ipv4':
sockaddr += host
length = 16 # Save ten bytes by skipping two 'push 0'
else:
sockaddr += p32(0xffffffff) # Save three bytes 'push -1' vs 'push 0'
sockaddr += host
length = len(sockaddr) + 4 # Save five bytes 'push 0'
return (sockaddr, length, address_family)
def sockaddr(host, port, network = 'ipv4'):
"""sockaddr(host, port, network = 'ipv4') -> (data, length, family)
Creates a sockaddr_in or sockaddr_in6 memory buffer for use in shellcode.
Arguments:
host (str): Either an IP address or a hostname to be looked up.
port (int): TCP/UDP port.
network (str): Either 'ipv4' or 'ipv6'.
Returns:
A tuple containing the sockaddr buffer, length, and the address family.
"""
address_family = {'ipv4':socket.AF_INET,'ipv6':socket.AF_INET6}[network]
for family, _, _, _, ip in socket.getaddrinfo(host, None, address_family):
ip = ip[0]
if family == address_family:
break
else:
log.error("Could not find %s address for %r" % (network, host))
info = socket.getaddrinfo(host, None, address_family)
host = socket.inet_pton(address_family, ip)
sockaddr = p16(address_family)
sockaddr += pack(port, word_size = 16, endianness = 'big') #Port should be big endian = network byte order
length = 0
if network == 'ipv4':
sockaddr += host
length = 16 # Save ten bytes by skipping two 'push 0'
else:
sockaddr += p32(0xffffffff) # Save three bytes 'push -1' vs 'push 0'
sockaddr += host
length = len(sockaddr) + 4 # Save five bytes 'push 0'
return (sockaddr, length, address_family)
def check(fmt, *v):
print fmt, repr(v), ''.join('%02x' % ord(c) for c in pack(fmt, *v))
def check(fmt, *v):
print fmt, repr(v), "".join("%02x" % ord(c) for c in pack(fmt, *v))
def check(fmt, *v):
print fmt, repr(v), ''.join('%02x' % ord(c) for c in pack(fmt, *v))
def add(self, uid, **properties):
with self.tuples() as cursor:
for key, value in properties.items():
cursor.set_key(uid, key)
cursor.set_value(pack(value))
cursor.insert()
