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#!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
import os
import subprocess
import sys
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)
if os.path.isfile("CMakeLists.txt"):
os.remove("CMakeLists.txt")
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)