From ccef1b59bc6cca89474eaddf7144972926281e29 Mon Sep 17 00:00:00 2001
From: Rob Austein <sra@hactrn.net>
Date: Wed, 10 May 2017 19:56:44 -0400
Subject: Clean up default location of PKCS #11 library.

---
 Makefile                  |  2 +-
 cryptech/py11/__init__.py | 11 ++++++++++-
 scripts/time-signature.py |  7 +------
 unit_tests.py             |  8 +-------
 4 files changed, 13 insertions(+), 15 deletions(-)

diff --git a/Makefile b/Makefile
index 954380e..ccee996 100644
--- a/Makefile
+++ b/Makefile
@@ -193,7 +193,7 @@ TAGS: *.[ch]
 # Basic testing, via the Python unittest library and our cryptech.py11 interface code
 
 test: all
-	python unit_tests.py
+	python unit_tests.py --libpkcs11 ./${SONAME}
 
 # Further testing using hsmbully, if we can find a copy of it.
 
diff --git a/cryptech/py11/__init__.py b/cryptech/py11/__init__.py
index fb9af7e..1618a76 100644
--- a/cryptech/py11/__init__.py
+++ b/cryptech/py11/__init__.py
@@ -12,6 +12,15 @@ from .types      import *
 from .constants  import *
 from .attributes import *
 
+import platform
+
+if platform.system() == "Darwin":
+    default_so_name = "/usr/local/lib/libcryptech-pkcs11.dylib"
+elif platform.system() == "Linux":
+    default_so_name = "/usr/lib/libcryptech-pkcs11.so"
+else:
+    default_so_name = "/usr/local/lib/libcryptech-pkcs11.so"
+
 
 class PKCS11 (object):
   """
@@ -46,7 +55,7 @@ class PKCS11 (object):
   # Whether to use C_GetFunctionList() instead of dynamic link symbols.
   use_C_GetFunctionList = False
 
-  def __init__(self, so_name = "libpkcs11.so"):
+  def __init__(self, so_name = default_so_name):
     self.so_name = so_name
     self.so = CDLL(so_name)
     self.d = type("Dispatch", (object,), {})()
diff --git a/scripts/time-signature.py b/scripts/time-signature.py
index 99ec718..732eaa4 100755
--- a/scripts/time-signature.py
+++ b/scripts/time-signature.py
@@ -7,7 +7,6 @@ Time PKCS #11 signatures.
 import collections
 import argparse
 import datetime
-import platform
 import sys
 
 from Crypto.Hash.SHA256 import SHA256Hash as SHA256
@@ -22,11 +21,7 @@ except ImportError:
     sys.path.append(dirname(dirname(abspath(sys.argv[0]))))
     from cryptech.py11 import *
 
-
-if platform.system() == "Darwin":
-    libpkcs11_default = "./libcryptech-pkcs11.dylib"
-else:
-    libpkcs11_default = "./libcryptech-pkcs11.so"
+from cryptech.py11 import default_so_name as libpkcs11_default
 
 
 class RSAKey(object):
diff --git a/unit_tests.py b/unit_tests.py
index fe96207..e4c4a97 100644
--- a/unit_tests.py
+++ b/unit_tests.py
@@ -6,10 +6,10 @@ PKCS #11 unit tests, using cryptech.py11 and the Python unit_test framework.
 
 import unittest
 import datetime
-import platform
 import sys
 
 from cryptech.py11 import *
+from cryptech.py11 import default_so_name as libpkcs11_default
 from cryptech.py11.mutex import MutexDB
 
 try:
@@ -22,12 +22,6 @@ except ImportError:
     pycrypto_loaded = False
 
 
-if platform.system() == "Darwin":
-    libpkcs11_default = "./libcryptech-pkcs11.dylib"
-else:
-    libpkcs11_default = "./libcryptech-pkcs11.so"
-
-
 def log(msg):
     if not args.quiet:
         sys.stderr.write(msg)
-- 
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