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test-*-check: Pass in *FLAGS and compile with them

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These test-*-check scripts should compile "test" binaries in a way that
is as close to what autotools would do, since the goal is to make sure
that if we run the *-check script, they can correctly detect flaws in
binaries which are compiled by our autotools-based system.

Therefore, we should emulate what happens when the binary is linked in
autotools, meaning that for C binaries, we need to supply the CFLAGS,
CPPFLAGS, and LDFLAGS flags in that order.

Note to future developers: perhaps it'd be nice to have these
test-*-check scripts be part of configure.ac to avoid having to manually
replicate autoconf-like behaviour every time we find a discrepancy. Of
course, that would also mean you'd have to write more m4...
This commit is contained in:
Carl Dong 2021-09-30 20:17:53 -04:00 • committed by fanquake
parent 1790a8ddac
commit 610a8a8e39
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GPG key ID: 2EEB9F5CC09526C1
3 changed files with 27 additions and 8 deletions
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12
Makefile.am
View file

@ -367,14 +367,14 @@ clean-local: clean-docs
test-security-check:
if TARGET_DARWIN
$(AM_V_at) CC='$(CC)' $(PYTHON) $(top_srcdir)/contrib/devtools/test-security-check.py TestSecurityChecks.test_MACHO
$(AM_V_at) CC='$(CC)' $(PYTHON) $(top_srcdir)/contrib/devtools/test-symbol-check.py TestSymbolChecks.test_MACHO
$(AM_V_at) CC='$(CC)' CFLAGS='$(CFLAGS)' CPPFLAGS='$(CPPFLAGS)' LDFLAGS='$(LDFLAGS)' $(PYTHON) $(top_srcdir)/contrib/devtools/test-security-check.py TestSecurityChecks.test_MACHO
$(AM_V_at) CC='$(CC)' CFLAGS='$(CFLAGS)' CPPFLAGS='$(CPPFLAGS)' LDFLAGS='$(LDFLAGS)' $(PYTHON) $(top_srcdir)/contrib/devtools/test-symbol-check.py TestSymbolChecks.test_MACHO
endif
if TARGET_WINDOWS
$(AM_V_at) CC='$(CC)' $(PYTHON) $(top_srcdir)/contrib/devtools/test-security-check.py TestSecurityChecks.test_PE
$(AM_V_at) CC='$(CC)' $(PYTHON) $(top_srcdir)/contrib/devtools/test-symbol-check.py TestSymbolChecks.test_PE
$(AM_V_at) CC='$(CC)' CFLAGS='$(CFLAGS)' CPPFLAGS='$(CPPFLAGS)' LDFLAGS='$(LDFLAGS)' $(PYTHON) $(top_srcdir)/contrib/devtools/test-security-check.py TestSecurityChecks.test_PE
$(AM_V_at) CC='$(CC)' CFLAGS='$(CFLAGS)' CPPFLAGS='$(CPPFLAGS)' LDFLAGS='$(LDFLAGS)' $(PYTHON) $(top_srcdir)/contrib/devtools/test-symbol-check.py TestSymbolChecks.test_PE
endif
if TARGET_LINUX
$(AM_V_at) CC='$(CC)' $(PYTHON) $(top_srcdir)/contrib/devtools/test-security-check.py TestSecurityChecks.test_ELF
$(AM_V_at) CC='$(CC)' CPPFILT='$(CPPFILT)' $(PYTHON) $(top_srcdir)/contrib/devtools/test-symbol-check.py TestSymbolChecks.test_ELF
$(AM_V_at) CC='$(CC)' CFLAGS='$(CFLAGS)' CPPFLAGS='$(CPPFLAGS)' LDFLAGS='$(LDFLAGS)' $(PYTHON) $(top_srcdir)/contrib/devtools/test-security-check.py TestSecurityChecks.test_ELF
$(AM_V_at) CC='$(CC)' CFLAGS='$(CFLAGS)' CPPFLAGS='$(CPPFLAGS)' LDFLAGS='$(LDFLAGS)' CPPFILT='$(CPPFILT)' $(PYTHON) $(top_srcdir)/contrib/devtools/test-symbol-check.py TestSymbolChecks.test_ELF
endif

12
contrib/devtools/test-security-check.py
View file

@ -7,6 +7,7 @@ Test script for security-check.py
'''
import os
import subprocess
from typing import List
import unittest
from utils import determine_wellknown_cmd
@ -27,7 +28,16 @@ def clean_files(source, executable):
os.remove(executable)
def call_security_check(cc, source, executable, options):
subprocess.run([*cc,source,'-o',executable] + options, check=True)
# This should behave the same as AC_TRY_LINK, so arrange well-known flags
# in the same order as autoconf would.
#
# See the definitions for ac_link in autoconf's lib/autoconf/c.m4 file for
# reference.
env_flags: List[str] = []
for var in ['CFLAGS', 'CPPFLAGS', 'LDFLAGS']:
env_flags += filter(None, os.environ.get(var, '').split(' '))
subprocess.run([*cc,source,'-o',executable] + env_flags + options, check=True)
p = subprocess.run(['./contrib/devtools/security-check.py',executable], stdout=subprocess.PIPE, universal_newlines=True)
return (p.returncode, p.stdout.rstrip())

11
contrib/devtools/test-symbol-check.py
View file

@ -13,7 +13,16 @@ import unittest
from utils import determine_wellknown_cmd
def call_symbol_check(cc: List[str], source, executable, options):
subprocess.run([*cc,source,'-o',executable] + options, check=True)
# This should behave the same as AC_TRY_LINK, so arrange well-known flags
# in the same order as autoconf would.
#
# See the definitions for ac_link in autoconf's lib/autoconf/c.m4 file for
# reference.
env_flags: List[str] = []
for var in ['CFLAGS', 'CPPFLAGS', 'LDFLAGS']:
env_flags += filter(None, os.environ.get(var, '').split(' '))
subprocess.run([*cc,source,'-o',executable] + env_flags + options, check=True)
p = subprocess.run(['./contrib/devtools/symbol-check.py',executable], stdout=subprocess.PIPE, universal_newlines=True)
os.remove(source)
os.remove(executable)