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enable ASLR and NX on windows builds (affects 2.x only)

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This commit is contained in:
Paul Kehrer 2015-06-16 20:29:40 -06:00
parent 325453c941
commit dccbc9b00a
4 changed files with 20 additions and 8 deletions
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6
src/_cffi_src/build_constant_time.py
View file

@ -5,8 +5,9 @@
from __future__ import absolute_import, division, print_function
import os
import sys
from _cffi_src.utils import build_ffi
from _cffi_src.utils import build_ffi, extra_link_args
with open(os.path.join(
@ -22,5 +23,6 @@ with open(os.path.join(
ffi = build_ffi(
module_name="_constant_time",
cdef_source=types,
verify_source=functions
verify_source=functions,
extra_link_args=extra_link_args(sys.platform),
)

7
src/_cffi_src/build_openssl.py
View file

@ -7,9 +7,7 @@ from __future__ import absolute_import, division, print_function
import os
import sys
from _cffi_src.utils import (
build_ffi_for_binding
)
from _cffi_src.utils import build_ffi_for_binding, extra_link_args
def _get_openssl_libraries(platform):
@ -94,5 +92,6 @@ ffi = build_ffi_for_binding(
],
pre_include=_OSX_PRE_INCLUDE,
post_include=_OSX_POST_INCLUDE,
libraries=_get_openssl_libraries(sys.platform)
libraries=_get_openssl_libraries(sys.platform),
extra_link_args=extra_link_args(sys.platform),
)

6
src/_cffi_src/build_padding.py
View file

@ -5,8 +5,9 @@
from __future__ import absolute_import, division, print_function
import os
import sys
from _cffi_src.utils import build_ffi
from _cffi_src.utils import build_ffi, extra_link_args
with open(os.path.join(
@ -22,5 +23,6 @@ with open(os.path.join(
ffi = build_ffi(
module_name="_padding",
cdef_source=types,
verify_source=functions
verify_source=functions,
extra_link_args=extra_link_args(sys.platform),
)

9
src/_cffi_src/utils.py
View file

@ -80,3 +80,12 @@ def build_ffi(module_name, cdef_source, verify_source, libraries=[],
extra_link_args=extra_link_args,
)
return ffi
def extra_link_args(platform):
if platform != "win32":
return []
else:
# Enable NX and ASLR for Windows builds. These are enabled by default
# on Python 3.3+ but not on 2.x.
return ["/NXCOMPAT", "/DYNAMICBASE"]