def __init__(self, fd,
mep_key=None, gpg_pass=None, md5sum=None, cipher=None,
name=None, long_running=False):
self.expected_outer_md5sum = md5sum
self.expected_inner_md5sum = None
self.name = name
self.outer_md5 = hashlib.md5()
self.inner_md5 = hashlib.md5()
self.cipher = self.DEFAULT_CIPHER
self.state = self.STATE_BEGIN
self.buffered = ''
self.mep_key = mep_key
self.gpg_pass = gpg_pass
# Start reading our data...
self.startup_lock = CryptoLock()
self.startup_lock.acquire()
self.data_filter = self._mk_data_filter(fd, self._read_data,
self.startup_lock.release)
self.read_fd = self.data_filter.reader()
try:
# Once the header has been processed (_read_data() will release
# the lock), fork out our coprocess.
self.startup_lock.acquire()
InputCoprocess.__init__(self, self._mk_command(), self.read_fd,
name=name, long_running=long_running)
self.startup_lock = None
except:
try:
self.data_filter.join(aborting=True)
self.data_filter.close()
except (IOError, OSError):
pass
raise
def __init__(self,
fd,
mep_key=None,
gpg_pass=None,
sha256=None,
cipher=None,
name=None,
long_running=False,
gpgi=None,
md_alg=None):
self.expected_outer_sha256 = sha256
self.expected_inner_sha256 = None
self.expected_inner_md5sum = None
self.name = name
self.outer_sha = hashlib.sha256()
self.inner_sha = hashlib.sha256()
self.inner_md5 = hashlib.md5()
self.cipher = self.PREFERRED_CIPHER or PREFERRED_CIPHER
self.md_alg = md_alg or OPENSSL_MD_ALG
self.state = self.STATE_BEGIN
self.buffered = ''
self.mep_version = None
self.mep_mutated = None
self.mep_key = mep_key
self.gpg_pass = gpg_pass
self.gpgi = gpgi
self.decryptor = None
self.decoder = None
self.decoder_data_bytes = 0 # Not counting white-space
# Start reading our data...
self.startup_lock = CryptoLock()
self.startup_lock.acquire()
self.data_filter = self._mk_data_filter(fd, self._read_data,
self.startup_lock.release)
self.read_fd = self.data_filter.reader()
try:
# Once the header has been processed (_read_data() will release
# the lock), fork out our coprocess.
self.startup_lock.acquire()
InputCoprocess.__init__(self,
self._mk_command(),
self.read_fd,
name=name,
long_running=long_running)
except:
try:
self.data_filter.join(aborting=True)
self.data_filter.close()
except (IOError, OSError):
pass
raise
finally:
self.startup_lock.release()
self.startup_lock = None
