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# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import absolute_import, division, print_function
import os
import sys
from _cffi_src.utils import build_ffi_for_binding, extra_link_args
def _get_openssl_libraries(platform):
# OpenSSL goes by a different library name on different operating systems.
if platform == "darwin":
return _osx_libraries(
os.environ.get("CRYPTOGRAPHY_OSX_NO_LINK_FLAGS")
)
elif platform == "win32":
return ["libeay32", "ssleay32", "advapi32",
"crypt32", "gdi32", "user32", "ws2_32"]
else:
# In some circumstances, the order in which these libs are
# specified on the linker command-line is significant;
# libssl must come before libcrypto
# (http://marc.info/?l=openssl-users&m=135361825921871)
return ["ssl", "crypto"]
def _osx_libraries(build_static):
# For building statically we don't want to pass the -lssl or -lcrypto flags
if build_static == "1":
return []
else:
return ["ssl", "crypto"]
_OSX_PRE_INCLUDE = """
#ifdef __APPLE__
#include <AvailabilityMacros.h>
#define __ORIG_DEPRECATED_IN_MAC_OS_X_VERSION_10_7_AND_LATER \
DEPRECATED_IN_MAC_OS_X_VERSION_10_7_AND_LATER
#undef DEPRECATED_IN_MAC_OS_X_VERSION_10_7_AND_LATER
#define DEPRECATED_IN_MAC_OS_X_VERSION_10_7_AND_LATER
#endif
"""
_OSX_POST_INCLUDE = """
#ifdef __APPLE__
#undef DEPRECATED_IN_MAC_OS_X_VERSION_10_7_AND_LATER
#define DEPRECATED_IN_MAC_OS_X_VERSION_10_7_AND_LATER \
__ORIG_DEPRECATED_IN_MAC_OS_X_VERSION_10_7_AND_LATER
#endif
"""
ffi = build_ffi_for_binding(
module_name="_openssl",
module_prefix="_cffi_src.openssl.",
modules=[
"aes",
"asn1",
"bignum",
"bio",
"cmac",
"cms",
"conf",
"crypto",
"dh",
"dsa",
"ec",
"ecdh",
"ecdsa",
"engine",
"err",
"evp",
"hmac",
"nid",
"objects",
"opensslv",
"pem",
"pkcs12",
"rand",
"rsa",
"ssl",
"x509",
"x509name",
"x509v3",
"x509_vfy",
"pkcs7",
],
pre_include=_OSX_PRE_INCLUDE,
post_include=_OSX_POST_INCLUDE,
libraries=_get_openssl_libraries(sys.platform),
extra_link_args=extra_link_args(sys.platform),
)
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