1 files changed, 47 insertions, 0 deletions
diff --git a/src/build_bcrypt.py b/src/build_bcrypt.py
new file mode 100644
index 0000000..b468c08
--- /dev/null
+++ b/src/build_bcrypt.py
@@ -0,0 +1,47 @@
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import os.path
+
+from cffi import FFI
+
+
+BLOWFISH_DIR = os.path.join(os.path.dirname(__file__), "crypt_blowfish-1.3")
+
+
+ffi = FFI()
+
+ffi.cdef(
+    """
+    char *crypt_gensalt_rn(const char *prefix, unsigned long count,
+                const char *input, int size, char *output, int output_size);
+
+    char *crypt_rn(const char *key, const char *setting, void *data, int size);
+    """
+)
+
+ffi.set_source(
+    "_bcrypt",
+    """
+    #include "ow-crypt.h"
+    """,
+    sources=[
+        os.path.join(BLOWFISH_DIR, "crypt_blowfish.c"),
+        os.path.join(BLOWFISH_DIR, "crypt_gensalt.c"),
+        os.path.join(BLOWFISH_DIR, "wrapper.c"),
+        # How can we get distutils to work with a .S file?
+        #   Set bcrypt/crypt_blowfish-1.3/crypt_blowfish.c#57 back to 1 if we
+        #   get ASM loaded.
+        # os.path.join(BLOWFISH_DIR, "x86.S"),
+    ],
+    include_dirs=[BLOWFISH_DIR],
+)