From 1a746c6d01eff4863c116e279756a1035fd5feb0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mat=C4=9Bj=20Cepl?= <mcepl@cepl.eu>
Date: Mon, 22 Nov 2021 23:05:41 +0100
Subject: [PATCH] Use OpenSSL_version_num() instead of unrealiable parsing of
.h file.
Fixes #302
---
setup.py | 39 ++++++++++++++++++++++++---------------
1 file changed, 24 insertions(+), 15 deletions(-)
diff --git a/setup.py b/setup.py
index a1d58f25..04ac8c77 100644
--- a/setup.py
+++ b/setup.py
@@ -75,21 +75,30 @@ def openssl_version(ossldir, req_ver, required=False):
:return: Boolean indicating whether the satisfying version of
OpenSSL has been installed.
"""
- ver = None
- file = os.path.join(ossldir, 'include', 'openssl', 'opensslv.h')
-
- with open(file) as origin_file:
- for line in origin_file:
- m = re.match(
- r'^# *define *OPENSSL_VERSION_NUMBER *(0x[0-9a-fA-F]*)',
- line)
- if m:
- log.debug('found version number: %s\n', m.group(1))
- ver = int(m.group(1), base=16)
- break
-
- if ver is None:
- raise OSError('Unknown format of file %s\n' % file)
+ try:
+ import ctypes
+ libssl = ctypes.cdll.LoadLibrary("libssl.so")
+ ver = libssl.OpenSSL_version_num()
+ log.debug("ctypes: ver = %s", hex(ver))
+ # for OpenSSL < 1.1.0
+ except AttributeError:
+ ver = None
+ file = os.path.join(ossldir, 'include', 'openssl', 'opensslv.h')
+
+ with open(file) as origin_file:
+ for line in origin_file:
+ m = re.match(
+ r'^# *define *OPENSSL_VERSION_NUMBER *(0x[0-9a-fA-F]*)',
+ line)
+ if m:
+ log.debug('found version number: %s\n', m.group(1))
+ ver = int(m.group(1), base=16)
+ break
+
+ log.debug("parsing header file: ver = %s", hex(ver))
+
+ if ver is None:
+ raise OSError('Unknown format of file %s\n' % file)
if required:
return ver >= req_ver
--
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