Changeset 108 for trunk/lib

Timestamp:

07/22/16 21:03:45 (8 years ago)

Author:

tim

Message:

added workaround for annoying openssl library resolution limitation on many platforms.

File:

• trunk/lib/bletchley/ssltls.py (modified) (1 diff)

trunk/lib/bletchley/ssltls.py

@@ -161 +161 @@
     ffi = cffi.FFI()
     ffi.cdef('''void* X509_delete_ext(void* x, int loc);''')
-    libssl = ffi.dlopen('libssl.so')
+
+    # Try to load libssl using several recent names because package
+    # maintainers have the blinders on and don't have a universal
+    # symlink to the most recent version.
+    libssl = None
+    for libname in ('libssl.so','libssl.1.0.2', 'libssl.so.1.0.1', 'libssl.so.1.0.0','libssl.so.0.9.8'):
+        try:
+            libssl = ffi.dlopen(libname)
+            break
+        except OSError as e:
+            pass
+    
     ext = libssl.X509_delete_ext(certificate._x509, index)
     #XXX: memory leak.  supposed to free ext here