BT: cleanup libc loading (#4278)

secdev · Feb 11, 2024 · bb36cec · bb36cec
1 parent 5073110
commit bb36cec
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/scapy/layers/bluetooth.py b/scapy/layers/bluetooth.py
@@ -2533,8 +2533,8 @@ def __init__(self, socket_domain, socket_type, socket_protocol, sock_address):
         # the correct parameters. We must call libc functions directly via
         # ctypes.
         sockaddr_hcip = ctypes.POINTER(sockaddr_hci)
-        ctypes.cdll.LoadLibrary("libc.so.6")
-        libc = ctypes.CDLL("libc.so.6")
+        from ctypes.util import find_library
+        libc = ctypes.cdll.LoadLibrary(find_library("c"))
 
         socket_c = libc.socket
         socket_c.argtypes = (ctypes.c_int, ctypes.c_int, ctypes.c_int)
@@ -2575,8 +2575,8 @@ def close(self):
             return
 
         # Properly close socket so we can free the device
-        ctypes.cdll.LoadLibrary("libc.so.6")
-        libc = ctypes.CDLL("libc.so.6")
+        from ctypes.util import find_library
+        libc = ctypes.cdll.LoadLibrary(find_library("c"))
 
         close = libc.close
         close.restype = ctypes.c_int