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Fix crypto imports on macOS Catalina (#1369)

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This commit is contained in:
Pascal Jürgens 2020-01-17 11:24:59 +00:00 committed by Lonami
parent 76cc076d61
commit 72dc8052b3
1 changed files with 17 additions and 0 deletions
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17
telethon/crypto/libssl.py
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@ -3,6 +3,8 @@ Helper module around the system's libssl library if available for IGE mode.
"""
import ctypes
import ctypes.util
import platform
import sys
try:
import ctypes.macholib.dyld
except ImportError:
@ -15,6 +17,21 @@ __log__ = logging.getLogger(__name__)
def _find_ssl_lib():
lib = ctypes.util.find_library('ssl')
# macOS 10.15 segfaults on unversioned crypto libraries.
# We therefore pin the current stable version here
# Credit for fix goes to Sarah Harvey (@worldwise001)
# https://www.shh.sh/2020/01/04/python-abort-trap-6.html
if sys.platform == 'darwin':
_, major, minor = platform.mac_ver()[0].split('.')
# macOS 10.14 "mojave" is the last known major release
# to support unversioned libssl.dylib. Anything above
# needs specific versions
if int(major) > 14:
lib = (
ctypes.util.find_library('libssl.46') or
ctypes.util.find_library('libssl.44') or
ctypes.util.find_library('libssl.42')
)
if not lib:
raise OSError('no library called "ssl" found')