def parse_handshake_response(packet):
"""Parse the handshake response packet and returns the information.
:param packet: Packet received as received from socket without header.
:return: Dictionary containing the handshake information; empty if
there was an error.
:rtype: dict
"""
try:
(capabilities, max_allowed_packet,
charset) = struct.unpack_from("<IIB23x", buffer(packet[0:32]))
buf = packet[32:]
(buf, username) = utils.read_string(buf, end='\x00')
(buf, auth_data) = utils.read_lc_string(buf)
if auth_data and auth_data[-1] == '\x00':
auth_data = auth_data[:-1]
if capabilities & ClientFlag.CONNECT_WITH_DB and buf:
(buf, database) = utils.read_string(buf, end='\x00')
except Exception as exc:
_LOGGER.debug("Failed parsing handshake: %s", str(exc))
return {}
return {
'capabilities': capabilities,
'max_allowed_packet': max_allowed_packet,
'charset': charset,
'username': str(username),
'auth_data': auth_data,
}
def parse_handshake(self, packet):
"""Parse a MySQL Handshake-packet"""
res = {}
res['protocol'] = struct.unpack('<xxxxB', packet[0:5])[0]
(packet,
res['server_version_original']) = utils.read_string(packet[5:],
end=b'\x00')
(res['server_threadid'], auth_data1, capabilities1, res['charset'],
res['server_status'], capabilities2,
auth_data_length) = struct.unpack('<I8sx2sBH2sBxxxxxxxxxx',
packet[0:31])
packet = packet[31:]
capabilities = utils.intread(capabilities1 + capabilities2)
auth_data2 = b''
if capabilities & ClientFlag.SECURE_CONNECTION:
size = min(13, auth_data_length - 8) if auth_data_length else 13
auth_data2 = packet[0:size]
packet = packet[size:]
if auth_data2[-1] == 0:
auth_data2 = auth_data2[:-1]
if capabilities & ClientFlag.PLUGIN_AUTH:
(packet, res['auth_plugin']) = utils.read_string(packet,
end=b'\x00')
res['auth_plugin'] = res['auth_plugin'].decode('utf-8')
else:
res['auth_plugin'] = 'mysql_native_password'
res['auth_data'] = auth_data1 + auth_data2
res['capabilities'] = capabilities
return res
def parse_handshake_response(packet):
"""Parse the handshake response packet and returns the information.
:param packet: Packet received as received from socket without header.
:return: Dictionary containing the handshake information; empty if
there was an error.
:rtype: dict
"""
try:
(capabilities, max_allowed_packet, charset) = struct.unpack_from(
"<IIB23x", buffer(packet[0:32]))
buf = packet[32:]
(buf, username) = utils.read_string(buf, end='\x00')
(buf, auth_data) = utils.read_lc_string(buf)
if auth_data and auth_data[-1] == '\x00':
auth_data = auth_data[:-1]
if capabilities & ClientFlag.CONNECT_WITH_DB and buf:
(buf, database) = utils.read_string(buf, end='\x00')
except Exception as exc:
_LOGGER.debug("Failed parsing handshake: %s", str(exc))
return {}
return {
'capabilities': capabilities,
'max_allowed_packet': max_allowed_packet,
'charset': charset,
'username': str(username),
'auth_data': auth_data,
}
def test_read_string_1(self):
"""Read a string from a buffer up until a certain character."""
buf = 'abcdef\x00ghijklm'
exp = 'abcdef'
exprest = 'ghijklm'
end = '\x00'
(rest, result) = utils.read_string(buf, end=end)
self.assertEqual(exp, result)
self.assertEqual(exprest, rest)
def test_read_string_1(self):
"""Read a string from a buffer up until a certain character."""
buf = 'abcdef\x00ghijklm'
exp = 'abcdef'
exprest = 'ghijklm'
end = '\x00'
(rest, result) = utils.read_string(buf, end=end)
self.assertEqual(exp, result)
self.assertEqual(exprest, rest)
def test_read_string_1(self):
"""Read a string from a buffer up until a certain character."""
buf = bytearray(b'abcdef\x00ghijklm')
exp = bytearray(b'abcdef')
exprest = bytearray(b'ghijklm')
end = bytearray(b'\x00')
(rest, result) = utils.read_string(buf, end=end)
self.assertEqual(exp, result)
self.assertEqual(exprest, rest)
def test_read_string_1(self):
"""Read a string from a buffer up until a certain character."""
buf = bytearray(b'abcdef\x00ghijklm')
exp = bytearray(b'abcdef')
exprest = bytearray(b'ghijklm')
end = bytearray(b'\x00')
(rest, result) = utils.read_string(buf, end=end)
self.assertEqual(exp, result)
self.assertEqual(exprest, rest)
def test_read_string_2(self):
"""Read a string from a buffer up until a certain size."""
buf = bytearray(b'abcdefghijklm')
exp = bytearray(b'abcdef')
exprest = bytearray(b'ghijklm')
size = 6
(rest, result) = utils.read_string(buf, size=size)
self.assertEqual(exp, result)
self.assertEqual(exprest, rest)
def test_read_string_2(self):
"""Read a string from a buffer up until a certain size."""
buf = bytearray(b'abcdefghijklm')
exp = bytearray(b'abcdef')
exprest = bytearray(b'ghijklm')
size = 6
(rest, result) = utils.read_string(buf, size=size)
self.assertEqual(exp, result)
self.assertEqual(exprest, rest)
def parse_auth_switch_request(self, packet):
"""Parse a MySQL AuthSwitchRequest-packet"""
if not packet[4] == 254:
raise errors.InterfaceError("Failed parsing AuthSwitchRequest packet")
(packet, plugin_name) = utils.read_string(packet[5:], end=b"\x00")
if packet[-1] == 0:
packet = packet[:-1]
return plugin_name.decode("utf8"), packet
def parse_auth_switch_request(self, packet):
"""Parse a MySQL AuthSwitchRequest-packet"""
if not packet[4] == '\xfe':
raise errors.InterfaceError(
"Failed parsing AuthSwitchRequest packet")
(packet, plugin_name) = utils.read_string(packet[5:], end='\x00')
if packet[-1] == '\x00':
packet = packet[:-1]
return plugin_name, packet
def parse_auth_switch_request(self, packet):
"""Parse a MySQL AuthSwitchRequest-packet"""
if not packet[4] == '\xfe':
raise errors.InterfaceError(
"Failed parsing AuthSwitchRequest packet")
(packet, plugin_name) = utils.read_string(packet[5:], end='\x00')
if packet[-1] == '\x00':
packet = packet[:-1]
return plugin_name, packet
def test_read_string_2(self):
"""Read a string from a buffer up until a certain size."""
buf = 'abcdefghijklm'
exp = 'abcdef'
exprest = 'ghijklm'
size = 6
(rest, result) = utils.read_string(buf, size=size)
if result != exp:
self.fail("Wrong result. Expected '%s', got '%s'" %\
exp, result)
elif rest != exprest:
self.fail("Wrong result. Expected '%s', got '%s'" %\
exp, result)
def test_read_string_1(self):
"""Read a string from a buffer up until a certain character."""
buf = 'abcdef\x00ghijklm'
exp = 'abcdef'
exprest = 'ghijklm'
end = '\x00'
(rest, result) = utils.read_string(buf, end=end)
if result != exp:
self.fail("Wrong result. Expected '%s', got '%s'" %\
exp, result)
elif rest != exprest:
self.fail("Wrong result. Expected '%s', got '%s'" %\
exp, result)
def test_read_string_2(self):
"""Read a string from a buffer up until a certain size."""
buf = b'abcdefghijklm'
exp = b'abcdef'
exprest = b'ghijklm'
size = 6
(rest, result) = utils.read_string(buf, size=size)
if result != exp:
self.fail("Wrong result. Expected '%s', got '%s'" %\
exp, result)
elif rest != exprest:
self.fail("Wrong result. Expected '%s', got '%s'" %\
exp, result)
def test_read_string_1(self):
"""Read a string from a buffer up until a certain character."""
buf = b'abcdef\x00ghijklm'
exp = b'abcdef'
exprest = b'ghijklm'
end = b'\x00'
(rest, result) = utils.read_string(buf, end=end)
if result != exp:
self.fail("Wrong result. Expected '%s', got '%s'" %\
exp, result)
elif rest != exprest:
self.fail("Wrong result. Expected '%s', got '%s'" %\
exp, result)
def parse_handshake(self, packet):
"""Parse a MySQL Handshake-packet"""
res = {}
res['protocol'] = struct.unpack('<xxxxB', packet[0:5])[0]
(packet, res['server_version_original']) = utils.read_string(
packet[5:], end=b'\x00')
(res['server_threadid'],
auth_data1,
capabilities1,
res['charset'],
res['server_status'],
capabilities2,
auth_data_length
) = struct.unpack('<I8sx2sBH2sBxxxxxxxxxx', packet[0:31])
packet = packet[31:]
capabilities = utils.intread(capabilities1 + capabilities2)
auth_data2 = b''
if capabilities & ClientFlag.SECURE_CONNECTION:
size = min(13, auth_data_length - 8) if auth_data_length else 13
auth_data2 = packet[0:size]
packet = packet[size:]
if auth_data2[-1] == 0:
auth_data2 = auth_data2[:-1]
if capabilities & ClientFlag.PLUGIN_AUTH:
(packet, res['auth_plugin']) = utils.read_string(
packet, end=b'\x00')
res['auth_plugin'] = res['auth_plugin'].decode('utf-8')
else:
res['auth_plugin'] = 'mysql_native_password'
res['auth_data'] = auth_data1 + auth_data2
res['capabilities'] = capabilities
return res
def parse_handshake(self, packet):
"""Parse a MySQL Handshake-packet"""
res = {}
(packet, res["protocol"]) = utils.read_int(packet[4:], 1)
(packet, res["server_version_original"]) = utils.read_string(packet, end=b"\x00")
(packet, res["server_threadid"]) = utils.read_int(packet, 4)
(packet, res["scramble"]) = utils.read_bytes(packet, 8)
packet = packet[1:] # Filler 1 * \x00
(packet, res["capabilities"]) = utils.read_int(packet, 2)
(packet, res["charset"]) = utils.read_int(packet, 1)
(packet, res["server_status"]) = utils.read_int(packet, 2)
packet = packet[13:] # Filler 13 * \x00
(packet, scramble_next) = utils.read_bytes(packet, 12)
res["scramble"] += scramble_next
return res
def parse_handshake(self, packet):
"""Parse a MySQL Handshake-packet"""
res = {}
res["protocol"] = struct.unpack("<xxxxB", packet[0:5])[0]
(packet, res["server_version_original"]) = utils.read_string(packet[5:], end=b"\x00")
(
res["server_threadid"],
auth_data1,
capabilities1,
res["charset"],
res["server_status"],
capabilities2,
auth_data_length,
) = struct.unpack("<I8sx2sBH2sBxxxxxxxxxx", packet[0:31])
packet = packet[31:]
capabilities = utils.intread(capabilities1 + capabilities2)
auth_data2 = b""
if capabilities & ClientFlag.SECURE_CONNECTION:
size = min(13, auth_data_length - 8) if auth_data_length else 13
auth_data2 = packet[0:size]
packet = packet[size:]
if auth_data2[-1] == 0:
auth_data2 = auth_data2[:-1]
if capabilities & ClientFlag.PLUGIN_AUTH:
(packet, res["auth_plugin"]) = utils.read_string(packet, end=b"\x00")
res["auth_plugin"] = res["auth_plugin"].decode("utf-8")
else:
res["auth_plugin"] = "mysql_native_password"
res["auth_data"] = auth_data1 + auth_data2
res["capabilities"] = capabilities
return res
def parse_handshake(self, packet):
"""Parse a MySQL Handshake-packet"""
res = {}
(packet, res['protocol']) = utils.read_int(packet[4:], 1)
(packet, res['server_version_original']) = utils.read_string(
packet, end='\x00')
(packet, res['server_threadid']) = utils.read_int(packet, 4)
(packet, res['scramble']) = utils.read_bytes(packet, 8)
packet = packet[1:] # Filler 1 * \x00
(packet, res['capabilities']) = utils.read_int(packet, 2)
(packet, res['charset']) = utils.read_int(packet, 1)
(packet, res['server_status']) = utils.read_int(packet, 2)
packet = packet[13:] # Filler 13 * \x00
(packet, scramble_next) = utils.read_bytes(packet, 12)
res['scramble'] += scramble_next
return res
def parse_handshake(self, packet):
"""Parse a MySQL Handshake-packet"""
res = {}
(packet, res['protocol']) = utils.read_int(packet[4:], 1)
(packet, res['server_version_original']) = utils.read_string(
packet, end='\x00')
(packet, res['server_threadid']) = utils.read_int(packet, 4)
(packet, res['scramble']) = utils.read_bytes(packet, 8)
packet = packet[1:] # Filler 1 * \x00
(packet, res['capabilities']) = utils.read_int(packet, 2)
(packet, res['charset']) = utils.read_int(packet, 1)
(packet, res['server_status']) = utils.read_int(packet, 2)
packet = packet[13:] # Filler 13 * \x00
(packet, scramble_next) = utils.read_bytes(packet, 12)
res['scramble'] += scramble_next
return res
