def patch(cls):
if cls.patched:
NSLog("*** SSL *** Already patched.")
return False
try:
#
# The below is very important to allow OpenSSL to do SSL connections on iOS without verifying certs.
# If you take this out, blockchain_headers from http://bitcoincash.com will fail, and the
# "downloading headers" thing will take ages. So I left this in.
# TODO: Figure out how to get bitcoincash.com to not fail with cert verification.
# - Calin May 24, 2018
#
if (getattr(ssl, '_create_unverified_context', None)):
if not cls.origs:
cls.origs = (ssl._create_default_https_context,
ssl.create_default_context)
ssl._create_default_https_context = ssl._create_unverified_context
ssl.create_default_context = ssl._create_unverified_context
NSLog("*** SSL *** Allow Unverfied Context: ENABLED")
else:
raise Exception(
"pyOpenSSL seems to be missing the '_create_unverified_context' function"
)
except:
NSLog("*** SSL *** Allow Unverified Context: FAILED (%s)" %
(str(sys.exc_info()[1])))
return False
cls.patched = True
return True
def thrdfunc(config_options):
# lazy init of SSL
import ssl, sys
from electroncash import version
NSLog("DeLight lib version: %s (using server protocol: %s)", version.PACKAGE_VERSION, version.PROTOCOL_VERSION)
NSLog("Python version: %s", ' '.join(sys.version.split('\n')))
NSLog("OpenSSL version: %s", ssl.OPENSSL_VERSION)
def thrdfunc(config_options):
# lazy init of SSL
import ssl, sys
from electroncash import version, ecc_fast, schnorr
NSLog("Electron Cash lib version: %s (using server protocol: %s)",
version.PACKAGE_VERSION, version.PROTOCOL_VERSION)
NSLog("Python version: %s", ' '.join(sys.version.split('\n')))
NSLog("OpenSSL version: %s", ssl.OPENSSL_VERSION)
NSLog("Fast ECC: %s Fast Schnorr: %s",
str(ecc_fast.is_using_fast_ecc()), str(schnorr.has_fast_sign()))
def unpatch(cls):
if not cls.patched: return False
if cls.origs:
ssl._create_default_https_context, ssl.create_default_context = cls.origs
cls.patched = False
NSLog("*** SSL *** Allow Unverfied Context: Disabled")
return not cls.patched
def unpatch(cls):
if not cls.patched:
print('*** WARNING: MonkeyPatches was not active!')
return
cls._Patch_AES.unpatch()
cls._Patch_SSL.unpatch()
cls.patched = False
NSLog("MonkeyPatches Disabled")
def patch(cls):
if cls.patched:
print('*** WARNING: MonkeyPatches are already applied!')
return
cls._Patch_SSL.patch()
cls._Patch_AES.patch()
cls.patched = True
NSLog("MonkeyPatches Applied")
def unpatch(cls):
ec_bitcoin.aes_decrypt_with_iv = cls._orig_aes_decrypt_with_iv
ec_bitcoin.aes_encrypt_with_iv = cls._orig_aes_encrypt_with_iv
cls.patched = False
NSLog("*** AES *** Use iOS CommonCrypto: Disabled")
return True
def patch(cls):
ec_bitcoin.aes_decrypt_with_iv = cls._aes_decrypt_with_iv
ec_bitcoin.aes_encrypt_with_iv = cls._aes_encrypt_with_iv
cls.patched = True
NSLog("*** AES *** Use iOS CommonCrypto: ENABLED")
return True