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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, compiler_type, 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"]
_PRE_INCLUDE = """
#include <openssl/e_os2.h>
#if defined(OPENSSL_SYS_WINDOWS)
#include <windows.h>
#endif
"""
ffi = build_ffi_for_binding(
module_name="_openssl",
module_prefix="_cffi_src.openssl.",
modules=[
"aes",
"asn1",
"bignum",
"bio",
"cmac",
"cms",
"crypto",
"dh",
"dsa",
"ec",
"ecdh",
"ecdsa",
"engine",
"err",
"evp",
"hmac",
"nid",
"objects",
"ocsp",
"opensslv",
"pem",
"pkcs12",
"rand",
"rsa",
"ssl",
"x509",
"x509name",
"x509v3",
"x509_vfy",
"pkcs7",
"callbacks",
],
pre_include=_PRE_INCLUDE,
libraries=_get_openssl_libraries(sys.platform),
extra_link_args=extra_link_args(compiler_type()),
)
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