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Mini Shell
# coding: utf-8
from __future__ import unicode_literals, division, absolute_import, print_function
from .. import ffi
from ._decode import _try_decode
from ..errors import TLSError
from .._types import str_cls
if ffi() == 'cffi':
from ._secur32_cffi import secur32, get_error
else:
from ._secur32_ctypes import secur32, get_error
__all__ = [
'handle_error',
'secur32',
'Secur32Const',
]
def handle_error(result, exception_class=None):
"""
Extracts the last Windows error message into a python unicode string
:param result:
A function result, 0 or None indicates failure
:param exception_class:
The exception class to use for the exception if an error occurred
:return:
A unicode string error message
"""
if result == 0:
return
if result == Secur32Const.SEC_E_OUT_OF_SEQUENCE:
raise TLSError('A packet was received out of order')
if result == Secur32Const.SEC_E_MESSAGE_ALTERED:
raise TLSError('A packet was received altered')
if result == Secur32Const.SEC_E_CONTEXT_EXPIRED:
raise TLSError('The TLS session expired')
_, error_string = get_error()
if not isinstance(error_string, str_cls):
error_string = _try_decode(error_string)
if exception_class is None:
exception_class = OSError
raise exception_class(('SECURITY_STATUS error 0x%0.2X: ' % result) + error_string)
class Secur32Const():
SCHANNEL_CRED_VERSION = 4
SECPKG_CRED_OUTBOUND = 0x00000002
UNISP_NAME = "Microsoft Unified Security Protocol Provider"
SCH_CRED_MANUAL_CRED_VALIDATION = 0x00000008
SCH_CRED_AUTO_CRED_VALIDATION = 0x00000020
SCH_USE_STRONG_CRYPTO = 0x00400000
SCH_CRED_NO_DEFAULT_CREDS = 0x00000010
SECBUFFER_VERSION = 0
SEC_E_OK = 0x00000000
SEC_I_CONTINUE_NEEDED = 0x00090312
SEC_I_CONTEXT_EXPIRED = 0x00090317
SEC_I_RENEGOTIATE = 0x00090321
SEC_E_INCOMPLETE_MESSAGE = 0x80090318
SEC_E_INVALID_TOKEN = 0x80090308
SEC_E_OUT_OF_SEQUENCE = 0x8009031
SEC_E_MESSAGE_ALTERED = 0x8009030F
SEC_E_CONTEXT_EXPIRED = 0x80090317
SEC_E_INVALID_PARAMETER = 0x8009035D
SEC_E_WRONG_PRINCIPAL = 0x80090322 # Domain name mismatch
SEC_E_UNTRUSTED_ROOT = 0x80090325
SEC_E_CERT_EXPIRED = 0x80090328
SEC_E_ILLEGAL_MESSAGE = 0x80090326 # Handshake error
SEC_E_INTERNAL_ERROR = 0x80090304 # Occurs when DH params are too small
SEC_E_BUFFER_TOO_SMALL = 0x80090321
SEC_I_INCOMPLETE_CREDENTIALS = 0x00090320
ISC_REQ_REPLAY_DETECT = 4
ISC_REQ_SEQUENCE_DETECT = 8
ISC_REQ_CONFIDENTIALITY = 16
ISC_REQ_ALLOCATE_MEMORY = 256
ISC_REQ_INTEGRITY = 65536
ISC_REQ_STREAM = 0x00008000
ISC_REQ_USE_SUPPLIED_CREDS = 0x00000080
ISC_RET_REPLAY_DETECT = 4
ISC_RET_SEQUENCE_DETECT = 8
ISC_RET_CONFIDENTIALITY = 16
ISC_RET_ALLOCATED_MEMORY = 256
ISC_RET_INTEGRITY = 65536
ISC_RET_STREAM = 0x00008000
SECBUFFER_ALERT = 17
SECBUFFER_STREAM_HEADER = 7
SECBUFFER_STREAM_TRAILER = 6
SECBUFFER_EXTRA = 5
SECBUFFER_TOKEN = 2
SECBUFFER_DATA = 1
SECBUFFER_EMPTY = 0
SECPKG_ATTR_STREAM_SIZES = 0x04
SECPKG_ATTR_CONNECTION_INFO = 0x5A
SECPKG_ATTR_REMOTE_CERT_CONTEXT = 0x53
SP_PROT_TLS1_2_CLIENT = 0x800
SP_PROT_TLS1_1_CLIENT = 0x200
SP_PROT_TLS1_CLIENT = 0x80
SP_PROT_SSL3_CLIENT = 0x20
SP_PROT_SSL2_CLIENT = 0x8
CALG_AES_256 = 0x00006610
CALG_AES_128 = 0x0000660E
CALG_3DES = 0x00006603
CALG_RC4 = 0x00006801
CALG_RC2 = 0x00006602
CALG_DES = 0x00006601
CALG_MD5 = 0x00008003
CALG_SHA1 = 0x00008004
CALG_SHA256 = 0x0000800C
CALG_SHA384 = 0x0000800D
CALG_SHA512 = 0x0000800E
CALG_DH_SF = 0x0000AA01
CALG_DH_EPHEM = 0x0000AA02
CALG_ECDH = 0x0000AA05
CALG_ECDHE = 0x0000AE06
CALG_RSA_KEYX = 0x0000A400
CALG_RSA_SIGN = 0x00002400
CALG_ECDSA = 0x00002203
CALG_DSS_SIGN = 0x00002200
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