1 files changed, 121 insertions, 0 deletions
diff --git a/comm/third_party/botan/botan_configure.py b/comm/third_party/botan/botan_configure.py
new file mode 100755
index 0000000000..858c1e63d3
--- /dev/null
+++ b/comm/third_party/botan/botan_configure.py
@@ -0,0 +1,121 @@
+#!python3
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+from __future__ import print_function, absolute_import, unicode_literals
+import os
+import sys
+import subprocess
+from mozbuild.util import system_encoding
+
+# This script is a wrapper for Botan's configure.py to adapt it for moz.build.
+# Its main purpose is to return some output on stdout for mozbuild to handle,
+# but secondary to that is to set --enable-modules. Mozbuild/Make mangle
+# the list otherwise due to the embedded commas.
+
+botan_modules = ",".join(
+    (
+        "aead",
+        "aes",
+        "auto_rng",
+        "bigint",
+        "blowfish",
+        "camellia",
+        "cast128",
+        "cbc",
+        "cfb",
+        "crc24",
+        "curve25519",
+        "des",
+        "dl_group",
+        "dsa",
+        "eax",
+        "ec_group",
+        "ecdh",
+        "ecdsa",
+        "ed25519",
+        "elgamal",
+        "eme_pkcs1",
+        "emsa_pkcs1",
+        "emsa_raw",
+        "ffi",
+        "hash",
+        "hmac",
+        "hmac_drbg",
+        "idea",
+        "kdf",
+        "md5",
+        "ocb",
+        "pgp_s2k",
+        "pubkey",
+        "rfc3394",
+        "rmd160",
+        "rsa",
+        "sha1",
+        "sha2_32",
+        "sha2_64",
+        "sha3",
+        "sm2",
+        "sm3",
+        "sm4",
+        "sp800_56a",
+        "system_rng",
+        "twofish",
+    )
+)
+
+##
+here = os.path.abspath(os.path.dirname(__file__))
+configure = os.path.join(here, "configure.py")
+
+
+# A wrapper to obtain a process' output and return code.
+# Returns a tuple (retcode, stdout, stderr).
+# from build/moz.configure/util.configure
+def get_cmd_output(*args, **kwargs):
+    proc = subprocess.Popen(
+        args,
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+        close_fds=os.name != "nt",
+        encoding=system_encoding,
+        errors="replace",
+    )
+    stdout, stderr = proc.communicate()
+    return proc.wait(), stdout, stderr
+
+
+def _run_configure(argv):
+    """Call Botan's configure.py. Arguments are passed "shell-style"."""
+    args = [sys.executable] + [configure] + list(argv)  # passed as a tuple
+    botan_modules_arg = "--enable-modules={}".format(botan_modules)
+    args.append(botan_modules_arg)
+
+    try:
+        rv = get_cmd_output(*args)
+    except Exception:
+        raise
+
+    return rv
+
+
+def main(output, *args):
+    rv = _run_configure(args)
+    if rv[0] == 0:
+        # GENERATED_FILES expects this script to write something back to output
+        if os.path.isfile(output.name):
+            with open(output.name, "r") as fp:
+                data = fp.read()
+                output.write(data)
+        else:
+            # Probably an error
+            raise Exception("Unable to locate real output at {}".format(output.name))
+    else:
+        return rv
+
+    return rv[0]
+
+
+if __name__ == "__main__":
+    main(*sys.argv)