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-rwxr-xr-xcontrib/devtools/security-check.py20
1 files changed, 19 insertions, 1 deletions
diff --git a/contrib/devtools/security-check.py b/contrib/devtools/security-check.py
index c05c38d513..b924698e56 100755
--- a/contrib/devtools/security-check.py
+++ b/contrib/devtools/security-check.py
@@ -206,6 +206,23 @@ def check_MACHO_NX(executable) -> bool:
return False
return True
+def check_MACHO_LAZY_BINDINGS(executable) -> bool:
+ '''
+ Check for no lazy bindings.
+ We don't use or check for MH_BINDATLOAD. See #18295.
+ '''
+ p = subprocess.Popen([OTOOL_CMD, '-l', executable], stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE, universal_newlines=True)
+ (stdout, stderr) = p.communicate()
+ if p.returncode:
+ raise IOError('Error opening file')
+
+ for line in stdout.splitlines():
+ tokens = line.split()
+ if 'lazy_bind_off' in tokens or 'lazy_bind_size' in tokens:
+ if tokens[1] != '0':
+ return False
+ return True
+
CHECKS = {
'ELF': [
('PIE', check_ELF_PIE),
@@ -221,7 +238,8 @@ CHECKS = {
'MACHO': [
('PIE', check_MACHO_PIE),
('NOUNDEFS', check_MACHO_NOUNDEFS),
- ('NX', check_MACHO_NX)
+ ('NX', check_MACHO_NX),
+ ('LAZY_BINDINGS', check_MACHO_LAZY_BINDINGS)
]
}