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partial bitcoin#22381: Test security-check sanity before performing them (with macOS)

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excludes:
- d6ef3543ae16847d5a91fa9271acee9bd2164b32
This commit is contained in:
Kittywhiskers Van Gogh 2023-06-04 23:04:54 +05:30
parent d4a8d49e56
commit 24a6642b6f
10 changed files with 261 additions and 49 deletions
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13
Makefile.am
View File

@ -57,6 +57,7 @@ DIST_SHARE = \
BIN_CHECKS=$(top_srcdir)/contrib/devtools/symbol-check.py \
$(top_srcdir)/contrib/devtools/security-check.py \
$(top_srcdir)/contrib/devtools/utils.py \
$(top_srcdir)/contrib/devtools/pixie.py
WINDOWS_PACKAGING = $(top_srcdir)/share/pixmaps/dash.ico \
@ -342,14 +343,14 @@ clean-local: clean-docs
test-security-check:
if TARGET_DARWIN
$(AM_V_at) $(PYTHON) $(top_srcdir)/contrib/devtools/test-security-check.py TestSecurityChecks.test_MACHO
$(AM_V_at) $(PYTHON) $(top_srcdir)/contrib/devtools/test-symbol-check.py TestSymbolChecks.test_MACHO
$(AM_V_at) CC='$(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
endif
if TARGET_WINDOWS
$(AM_V_at) $(PYTHON) $(top_srcdir)/contrib/devtools/test-security-check.py TestSecurityChecks.test_PE
$(AM_V_at) $(PYTHON) $(top_srcdir)/contrib/devtools/test-symbol-check.py TestSymbolChecks.test_PE
$(AM_V_at) CC='$(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
endif
if TARGET_LINUX
$(AM_V_at) $(PYTHON) $(top_srcdir)/contrib/devtools/test-security-check.py TestSecurityChecks.test_ELF
$(AM_V_at) $(PYTHON) $(top_srcdir)/contrib/devtools/test-symbol-check.py TestSymbolChecks.test_ELF
$(AM_V_at) CC='$(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
endif

1
configure.ac
View File

@ -942,6 +942,7 @@ if test x$use_hardening != xno; then
])
fi
AX_CHECK_LINK_FLAG([[-Wl,--enable-reloc-section]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,--enable-reloc-section"],, [[$LDFLAG_WERROR]])
AX_CHECK_LINK_FLAG([[-Wl,--dynamicbase]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,--dynamicbase"])
AX_CHECK_LINK_FLAG([[-Wl,--nxcompat]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,--nxcompat"])
AX_CHECK_LINK_FLAG([[-Wl,--high-entropy-va]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,--high-entropy-va"])

6
contrib/devtools/symbol-check.py
View File

@ -12,12 +12,13 @@ Example usage:
'''
import subprocess
import sys
import os
from typing import Optional
import lief
import pixie
from utils import determine_wellknown_cmd
# Debian 9 (Stretch) EOL: 2022. https://wiki.debian.org/DebianReleases#Production_Releases
#
# - g++ version 6.3.0 (https://packages.debian.org/search?suite=stretch&arch=any&searchon=names&keywords=g%2B%2B)
@ -64,7 +65,6 @@ IGNORE_EXPORTS = {
# Used in stacktraces.cpp
'__cxa_demangle'
}
CPPFILT_CMD = os.getenv('CPPFILT', '/usr/bin/c++filt')
# Allowed NEEDED libraries
ELF_ALLOWED_LIBRARIES = {
@ -147,7 +147,7 @@ class CPPFilt(object):
Use a pipe to the 'c++filt' command.
'''
def __init__(self):
self.proc = subprocess.Popen(CPPFILT_CMD, stdin=subprocess.PIPE, stdout=subprocess.PIPE, universal_newlines=True)
self.proc = subprocess.Popen(determine_wellknown_cmd('CPPFILT', 'c++filt'), stdin=subprocess.PIPE, stdout=subprocess.PIPE, universal_newlines=True)
def __call__(self, mangled):
self.proc.stdin.write(mangled + '\n')

31
contrib/devtools/test-security-check.py
View File

@ -9,6 +9,8 @@ import os
import subprocess
import unittest
from utils import determine_wellknown_cmd
def write_testcode(filename):
with open(filename, 'w', encoding="utf8") as f:
f.write('''
@ -25,7 +27,7 @@ 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)
subprocess.run([*cc,source,'-o',executable] + options, check=True)
p = subprocess.run(['./contrib/devtools/security-check.py',executable], stdout=subprocess.PIPE, universal_newlines=True)
return (p.returncode, p.stdout.rstrip())
@ -33,7 +35,7 @@ class TestSecurityChecks(unittest.TestCase):
def test_ELF(self):
source = 'test1.c'
executable = 'test1'
cc = 'gcc'
cc = determine_wellknown_cmd('CC', 'gcc')
write_testcode(source)
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-zexecstack','-fno-stack-protector','-Wl,-znorelro','-no-pie','-fno-PIE', '-Wl,-z,separate-code']),
@ -54,18 +56,20 @@ class TestSecurityChecks(unittest.TestCase):
def test_PE(self):
source = 'test1.c'
executable = 'test1.exe'
cc = 'x86_64-w64-mingw32-gcc'
cc = determine_wellknown_cmd('CC', 'x86_64-w64-mingw32-gcc')
write_testcode(source)
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,--no-nxcompat','-Wl,--no-dynamicbase','-Wl,--no-high-entropy-va','-no-pie','-fno-PIE']),
(1, executable+': failed DYNAMIC_BASE HIGH_ENTROPY_VA NX RELOC_SECTION'))
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,--nxcompat','-Wl,--no-dynamicbase','-Wl,--no-high-entropy-va','-no-pie','-fno-PIE']),
(1, executable+': failed DYNAMIC_BASE HIGH_ENTROPY_VA RELOC_SECTION'))
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,--nxcompat','-Wl,--dynamicbase','-Wl,--no-high-entropy-va','-no-pie','-fno-PIE']),
(1, executable+': failed HIGH_ENTROPY_VA RELOC_SECTION'))
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,--nxcompat','-Wl,--dynamicbase','-Wl,--high-entropy-va','-no-pie','-fno-PIE']),
(1, executable+': failed RELOC_SECTION'))
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,--nxcompat','-Wl,--dynamicbase','-Wl,--high-entropy-va','-pie','-fPIE']),
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,--no-nxcompat','-Wl,--disable-reloc-section','-Wl,--no-dynamicbase','-Wl,--no-high-entropy-va','-no-pie','-fno-PIE']),
(1, executable+': failed PIE DYNAMIC_BASE HIGH_ENTROPY_VA NX RELOC_SECTION'))
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,--nxcompat','-Wl,--disable-reloc-section','-Wl,--no-dynamicbase','-Wl,--no-high-entropy-va','-no-pie','-fno-PIE']),
(1, executable+': failed PIE DYNAMIC_BASE HIGH_ENTROPY_VA RELOC_SECTION'))
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,--nxcompat','-Wl,--enable-reloc-section','-Wl,--no-dynamicbase','-Wl,--no-high-entropy-va','-no-pie','-fno-PIE']),
(1, executable+': failed PIE DYNAMIC_BASE HIGH_ENTROPY_VA'))
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,--nxcompat','-Wl,--enable-reloc-section','-Wl,--no-dynamicbase','-Wl,--no-high-entropy-va','-pie','-fPIE']),
(1, executable+': failed PIE DYNAMIC_BASE HIGH_ENTROPY_VA')) # -pie -fPIE does nothing unless --dynamicbase is also supplied
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,--nxcompat','-Wl,--enable-reloc-section','-Wl,--dynamicbase','-Wl,--no-high-entropy-va','-pie','-fPIE']),
(1, executable+': failed HIGH_ENTROPY_VA'))
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,--nxcompat','-Wl,--enable-reloc-section','-Wl,--dynamicbase','-Wl,--high-entropy-va','-pie','-fPIE']),
(0, ''))
clean_files(source, executable)
@ -73,7 +77,7 @@ class TestSecurityChecks(unittest.TestCase):
def test_MACHO(self):
source = 'test1.c'
executable = 'test1'
cc = 'clang'
cc = determine_wellknown_cmd('CC', 'clang')
write_testcode(source)
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-no_pie','-Wl,-flat_namespace','-Wl,-allow_stack_execute','-fno-stack-protector']),
@ -93,4 +97,3 @@ class TestSecurityChecks(unittest.TestCase):
if __name__ == '__main__':
unittest.main()

45
contrib/devtools/test-symbol-check.py
View File

@ -7,41 +7,51 @@ Test script for symbol-check.py
'''
import os
import subprocess
from typing import List
import unittest
def call_symbol_check(cc, source, executable, options):
subprocess.run([cc,source,'-o',executable] + options, check=True)
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)
p = subprocess.run(['./contrib/devtools/symbol-check.py',executable], stdout=subprocess.PIPE, universal_newlines=True)
os.remove(source)
os.remove(executable)
return (p.returncode, p.stdout.rstrip())
def get_machine(cc: List[str]):
p = subprocess.run([*cc,'-dumpmachine'], stdout=subprocess.PIPE, universal_newlines=True)
return p.stdout.rstrip()
class TestSymbolChecks(unittest.TestCase):
def test_ELF(self):
source = 'test1.c'
executable = 'test1'
cc = 'gcc'
cc = determine_wellknown_cmd('CC', 'gcc')
# renameat2 was introduced in GLIBC 2.28, so is newer than the upper limit
# of glibc for all platforms
# there's no way to do this test for RISC-V at the moment; we build for
# RISC-V in a glibc 2.27 envinonment and we allow all symbols from 2.27.
if 'riscv' in get_machine(cc):
self.skipTest("test not available for RISC-V")
# nextup was introduced in GLIBC 2.24, so is newer than our supported
# glibc (2.17), and available in our release build environment (2.24).
with open(source, 'w', encoding="utf8") as f:
f.write('''
#define _GNU_SOURCE
#include <stdio.h>
#include <linux/fs.h>
#include <math.h>
int renameat2(int olddirfd, const char *oldpath,
int newdirfd, const char *newpath, unsigned int flags);
double nextup(double x);
int main()
{
renameat2(0, "test", 0, "test_", RENAME_EXCHANGE);
nextup(3.14);
return 0;
}
''')
self.assertEqual(call_symbol_check(cc, source, executable, []),
(1, executable + ': symbol renameat2 from unsupported version GLIBC_2.28\n' +
self.assertEqual(call_symbol_check(cc, source, executable, ['-lm']),
(1, executable + ': symbol nextup from unsupported version GLIBC_2.24\n' +
executable + ': failed IMPORTED_SYMBOLS'))
# -lutil is part of the libc6 package so a safe bet that it's installed
@ -83,7 +93,7 @@ class TestSymbolChecks(unittest.TestCase):
def test_MACHO(self):
source = 'test1.c'
executable = 'test1'
cc = 'clang'
cc = determine_wellknown_cmd('CC', 'clang')
with open(source, 'w', encoding="utf8") as f:
f.write('''
@ -97,7 +107,7 @@ class TestSymbolChecks(unittest.TestCase):
''')
self.assertEqual(call_symbol_check(cc, source, executable, ['-lexpat']),
self.assertEqual(call_symbol_check(cc, source, executable, ['-lexpat', '-Wl,-platform_version','-Wl,macos', '-Wl,11.4', '-Wl,11.4']),
(1, 'libexpat.1.dylib is not in ALLOWED_LIBRARIES!\n' +
f'{executable}: failed DYNAMIC_LIBRARIES MIN_OS SDK'))
@ -114,7 +124,7 @@ class TestSymbolChecks(unittest.TestCase):
}
''')
self.assertEqual(call_symbol_check(cc, source, executable, ['-framework', 'CoreGraphics']),
self.assertEqual(call_symbol_check(cc, source, executable, ['-framework', 'CoreGraphics', '-Wl,-platform_version','-Wl,macos', '-Wl,11.4', '-Wl,11.4']),
(1, f'{executable}: failed MIN_OS SDK'))
source = 'test3.c'
@ -127,13 +137,13 @@ class TestSymbolChecks(unittest.TestCase):
}
''')
self.assertEqual(call_symbol_check(cc, source, executable, ['-mmacosx-version-min=10.14']),
self.assertEqual(call_symbol_check(cc, source, executable, ['-Wl,-platform_version','-Wl,macos', '-Wl,10.15', '-Wl,11.4']),
(1, f'{executable}: failed SDK'))
def test_PE(self):
source = 'test1.c'
executable = 'test1.exe'
cc = 'x86_64-w64-mingw32-gcc'
cc = determine_wellknown_cmd('CC', 'x86_64-w64-mingw32-gcc')
with open(source, 'w', encoding="utf8") as f:
f.write('''
@ -183,4 +193,3 @@ class TestSymbolChecks(unittest.TestCase):
if __name__ == '__main__':
unittest.main()

22
contrib/devtools/utils.py Executable file
View File

@ -0,0 +1,22 @@
#!/usr/bin/env python3
# Copyright (c) 2021 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
'''
Common utility functions
'''
import shutil
import sys
import os
from typing import List
def determine_wellknown_cmd(envvar, progname) -> List[str]:
maybe_env = os.getenv(envvar)
maybe_which = shutil.which(progname)
if maybe_env:
return maybe_env.split(' ') # Well-known vars are often meant to be word-split
elif maybe_which:
return [ maybe_which ]
else:
sys.exit(f"{progname} not found")

7
contrib/guix/libexec/build.sh
View File

@ -295,10 +295,11 @@ mkdir -p "$DISTSRC"
# Build Dash Core
make --jobs="$JOBS" ${V:+V=1}
# Perform basic ELF security checks on a series of executables.
# Check that symbol/security checks tools are sane.
make test-security-check ${V:+V=1}
# Perform basic security checks on a series of executables.
make -C src --jobs=1 check-security ${V:+V=1}
# Check that executables only contain allowed gcc, glibc and libstdc++
# version symbols for Linux distro back-compatibility.
# Check that executables only contain allowed version symbols.
make -C src --jobs=1 check-symbols ${V:+V=1}
mkdir -p "$OUTDIR"

6
contrib/guix/manifest.scm
View File

@ -85,6 +85,10 @@ http://www.linuxfromscratch.org/hlfs/view/development/chapter05/gcc-pass1.html"
(define (explicit-cross-configure package)
(package-with-extra-configure-variable package "--build" building-on))
(define (make-binutils-with-mingw-w64-disable-flags xbinutils)
(package-with-extra-patches xbinutils
(search-our-patches "binutils-mingw-w64-disable-flags.patch")))
(define (make-cross-toolchain target
base-gcc-for-libc
base-kernel-headers
@ -173,7 +177,7 @@ desirable for building Dash Core release binaries."
(define (make-mingw-pthreads-cross-toolchain target)
"Create a cross-compilation toolchain package for TARGET"
(let* ((xbinutils (cross-binutils target))
(let* ((xbinutils (make-binutils-with-mingw-w64-disable-flags (cross-binutils target)))
(pthreads-xlibc mingw-w64-x86_64-winpthreads)
(pthreads-xgcc (make-gcc-with-pthreads
(cross-gcc target

171
contrib/guix/patches/binutils-mingw-w64-disable-flags.patch Normal file
View File

@ -0,0 +1,171 @@
Description: Add disable opposites to the security-related flags
Author: Stephen Kitt <skitt@debian.org>
This patch adds "no-" variants to disable the various security flags:
"no-dynamicbase", "no-nxcompat", "no-high-entropy-va", "disable-reloc-section".
--- a/ld/emultempl/pe.em
+++ b/ld/emultempl/pe.em
@@ -259,9 +261,11 @@
(OPTION_ENABLE_LONG_SECTION_NAMES + 1)
/* DLLCharacteristics flags. */
#define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1)
-#define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1)
+#define OPTION_NO_DYNAMIC_BASE (OPTION_DYNAMIC_BASE + 1)
+#define OPTION_FORCE_INTEGRITY (OPTION_NO_DYNAMIC_BASE + 1)
#define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1)
-#define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1)
+#define OPTION_NO_NX_COMPAT (OPTION_NX_COMPAT + 1)
+#define OPTION_NO_ISOLATION (OPTION_NO_NX_COMPAT + 1)
#define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1)
#define OPTION_NO_BIND (OPTION_NO_SEH + 1)
#define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1)
@@ -271,6 +275,7 @@
#define OPTION_NO_INSERT_TIMESTAMP (OPTION_INSERT_TIMESTAMP + 1)
#define OPTION_BUILD_ID (OPTION_NO_INSERT_TIMESTAMP + 1)
#define OPTION_ENABLE_RELOC_SECTION (OPTION_BUILD_ID + 1)
+#define OPTION_DISABLE_RELOC_SECTION (OPTION_ENABLE_RELOC_SECTION + 1)
static void
gld${EMULATION_NAME}_add_options
@@ -342,8 +347,10 @@
{"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
{"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
{"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
+ {"no-dynamicbase", no_argument, NULL, OPTION_NO_DYNAMIC_BASE},
{"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
{"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
+ {"no-nxcompat", no_argument, NULL, OPTION_NO_NX_COMPAT},
{"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
{"no-seh", no_argument, NULL, OPTION_NO_SEH},
{"no-bind", no_argument, NULL, OPTION_NO_BIND},
@@ -351,6 +358,7 @@
{"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
{"build-id", optional_argument, NULL, OPTION_BUILD_ID},
{"enable-reloc-section", no_argument, NULL, OPTION_ENABLE_RELOC_SECTION},
+ {"disable-reloc-section", no_argument, NULL, OPTION_DISABLE_RELOC_SECTION},
{NULL, no_argument, NULL, 0}
};
@@ -485,9 +494,12 @@
in object files\n"));
fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
address space layout randomization (ASLR)\n"));
+ fprintf (file, _(" --no-dynamicbase Image base address may not be relocated\n"));
fprintf (file, _(" --enable-reloc-section Create the base relocation table\n"));
+ fprintf (file, _(" --disable-reloc-section Disable the base relocation table\n"));
fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
+ fprintf (file, _(" --no-nxcompat Image is not compatible with data execution prevention\n"));
fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\
be called in this image\n"));
@@ -862,12 +874,21 @@
case OPTION_ENABLE_RELOC_SECTION:
pe_dll_enable_reloc_section = 1;
break;
+ case OPTION_DISABLE_RELOC_SECTION:
+ pe_dll_enable_reloc_section = 0;
+ /* fall through */
+ case OPTION_NO_DYNAMIC_BASE:
+ pe_dll_characteristics &= ~IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
+ break;
case OPTION_FORCE_INTEGRITY:
pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
break;
case OPTION_NX_COMPAT:
pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
break;
+ case OPTION_NO_NX_COMPAT:
+ pe_dll_characteristics &= ~IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
+ break;
case OPTION_NO_ISOLATION:
pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
break;
--- a/ld/emultempl/pep.em
+++ b/ld/emultempl/pep.em
@@ -237,9 +240,12 @@
OPTION_ENABLE_LONG_SECTION_NAMES,
OPTION_DISABLE_LONG_SECTION_NAMES,
OPTION_HIGH_ENTROPY_VA,
+ OPTION_NO_HIGH_ENTROPY_VA,
OPTION_DYNAMIC_BASE,
+ OPTION_NO_DYNAMIC_BASE,
OPTION_FORCE_INTEGRITY,
OPTION_NX_COMPAT,
+ OPTION_NO_NX_COMPAT,
OPTION_NO_ISOLATION,
OPTION_NO_SEH,
OPTION_NO_BIND,
@@ -248,7 +254,8 @@
OPTION_NO_INSERT_TIMESTAMP,
OPTION_TERMINAL_SERVER_AWARE,
OPTION_BUILD_ID,
- OPTION_ENABLE_RELOC_SECTION
+ OPTION_ENABLE_RELOC_SECTION,
+ OPTION_DISABLE_RELOC_SECTION
};
static void
@@ -315,9 +322,12 @@
{"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
{"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
{"high-entropy-va", no_argument, NULL, OPTION_HIGH_ENTROPY_VA},
+ {"no-high-entropy-va", no_argument, NULL, OPTION_NO_HIGH_ENTROPY_VA},
{"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
+ {"no-dynamicbase", no_argument, NULL, OPTION_NO_DYNAMIC_BASE},
{"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
{"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
+ {"no-nxcompat", no_argument, NULL, OPTION_NO_NX_COMPAT},
{"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
{"no-seh", no_argument, NULL, OPTION_NO_SEH},
{"no-bind", no_argument, NULL, OPTION_NO_BIND},
@@ -327,6 +337,7 @@
{"no-insert-timestamp", no_argument, NULL, OPTION_NO_INSERT_TIMESTAMP},
{"build-id", optional_argument, NULL, OPTION_BUILD_ID},
{"enable-reloc-section", no_argument, NULL, OPTION_ENABLE_RELOC_SECTION},
+ {"disable-reloc-section", no_argument, NULL, OPTION_DISABLE_RELOC_SECTION},
{NULL, no_argument, NULL, 0}
};
@@ -448,11 +461,15 @@
in object files\n"));
fprintf (file, _(" --high-entropy-va Image is compatible with 64-bit address space\n\
layout randomization (ASLR)\n"));
+ fprintf (file, _(" --no-high-entropy-va Image is not compatible with 64-bit ASLR\n"));
fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
address space layout randomization (ASLR)\n"));
+ fprintf (file, _(" --no-dynamicbase Image base address may not be relocated\n"));
fprintf (file, _(" --enable-reloc-section Create the base relocation table\n"));
+ fprintf (file, _(" --disable-reloc-section Disable the base relocation table\n"));
fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
+ fprintf (file, _(" --no-nxcompat Image is not compatible with data execution prevention\n"));
fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
fprintf (file, _(" --no-seh Image does not use SEH; no SE handler may\n\
be called in this image\n"));
@@ -809,12 +826,24 @@
case OPTION_ENABLE_RELOC_SECTION:
pep_dll_enable_reloc_section = 1;
break;
+ case OPTION_DISABLE_RELOC_SECTION:
+ pep_dll_enable_reloc_section = 0;
+ /* fall through */
+ case OPTION_NO_DYNAMIC_BASE:
+ pe_dll_characteristics &= ~IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
+ /* fall through */
+ case OPTION_NO_HIGH_ENTROPY_VA:
+ pe_dll_characteristics &= ~IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA;
+ break;
case OPTION_FORCE_INTEGRITY:
pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
break;
case OPTION_NX_COMPAT:
pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
break;
+ case OPTION_NO_NX_COMPAT:
+ pe_dll_characteristics &= ~IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
+ break;
case OPTION_NO_ISOLATION:
pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
break;

8
src/Makefile.am
View File

@ -935,23 +935,23 @@ clean-local:
check-symbols: $(bin_PROGRAMS)
if TARGET_DARWIN
@echo "Checking macOS dynamic libraries..."
$(AM_V_at) OTOOL=$(OTOOL) $(PYTHON) $(top_srcdir)/contrib/devtools/symbol-check.py $(bin_PROGRAMS)
$(AM_V_at) $(PYTHON) $(top_srcdir)/contrib/devtools/symbol-check.py $(bin_PROGRAMS)
endif
if TARGET_WINDOWS
@echo "Checking Windows dynamic libraries..."
$(AM_V_at) OBJDUMP=$(OBJDUMP) $(PYTHON) $(top_srcdir)/contrib/devtools/symbol-check.py $(bin_PROGRAMS)
$(AM_V_at) $(PYTHON) $(top_srcdir)/contrib/devtools/symbol-check.py $(bin_PROGRAMS)
endif
if GLIBC_BACK_COMPAT
@echo "Checking glibc back compat..."
$(AM_V_at) CPPFILT=$(CPPFILT) $(PYTHON) $(top_srcdir)/contrib/devtools/symbol-check.py $(bin_PROGRAMS)
$(AM_V_at) CPPFILT='$(CPPFILT)' $(PYTHON) $(top_srcdir)/contrib/devtools/symbol-check.py $(bin_PROGRAMS)
endif
check-security: $(bin_PROGRAMS)
if HARDEN
@echo "Checking binary security..."
$(AM_V_at) OBJDUMP=$(OBJDUMP) OTOOL=$(OTOOL) $(PYTHON) $(top_srcdir)/contrib/devtools/security-check.py $(bin_PROGRAMS)
$(AM_V_at) $(PYTHON) $(top_srcdir)/contrib/devtools/security-check.py $(bin_PROGRAMS)
endif