def make_hello_base(self):
capabilities = flatten_dict(get_network_caps())
#add "kerberos", "gss" and "u2f" digests if enabled:
for handler in self.challenge_handlers:
digest = handler.get_digest()
if digest:
capabilities["digest"].append(digest)
capabilities.update(FilePrintMixin.get_caps(self))
capabilities.update({
"version": XPRA_VERSION,
"websocket.multi-packet": True,
"hostname": socket.gethostname(),
"uuid": self.uuid,
"session-id": self.session_id,
"username": self.username,
"name": get_name(),
"client_type": self.client_type(),
"python.version": sys.version_info[:3],
"python.bits": BITS,
"compression_level": self.compression_level,
"argv": sys.argv,
})
capabilities.update(self.get_file_transfer_features())
if self.display:
capabilities["display"] = self.display
def up(prefix, d):
updict(capabilities, prefix, d)
up("build", self.get_version_info())
mid = get_machine_id()
if mid:
capabilities["machine_id"] = mid
encryption = self.get_encryption()
if encryption:
crypto_backend_init()
assert encryption in ENCRYPTION_CIPHERS, "invalid encryption '%s', options: %s" % (
encryption, csv(ENCRYPTION_CIPHERS))
iv = get_iv()
key_salt = get_salt()
iterations = get_iterations()
padding = choose_padding(self.server_padding_options)
up(
"cipher", {
"": encryption,
"iv": iv,
"key_salt": key_salt,
"key_stretch_iterations": iterations,
"padding": padding,
"padding.options": PADDING_OPTIONS,
})
key = self.get_encryption_key()
self._protocol.set_cipher_in(encryption, iv, key, key_salt,
iterations, padding)
netlog(
"encryption capabilities: %s",
dict((k, v) for k, v in capabilities.items()
if k.startswith("cipher")))
capabilities.update(self.hello_extra)
return capabilities
def make_hello_base(self):
capabilities = flatten_dict(get_network_caps())
import struct
bits = struct.calcsize("P") * 8
capabilities.update(
{
"version": local_version,
"encoding.generic": True,
"namespace": True,
"hostname": socket.gethostname(),
"uuid": self.uuid,
"username": self.username,
"name": get_name(),
"client_type": self.client_type(),
"python.version": sys.version_info[:3],
"python.bits": bits,
"compression_level": self.compression_level,
"argv": sys.argv,
}
)
capabilities.update(self.get_file_transfer_features())
if self.display:
capabilities["display"] = self.display
def up(prefix, d):
updict(capabilities, prefix, d)
up("build", self.get_version_info())
mid = get_machine_id()
if mid:
capabilities["machine_id"] = mid
if self.encryption:
assert self.encryption in ENCRYPTION_CIPHERS
iv = get_iv()
key_salt = get_salt()
iterations = get_iterations()
padding = choose_padding(self.server_padding_options)
up(
"cipher",
{
"": self.encryption,
"iv": iv,
"key_salt": key_salt,
"key_stretch_iterations": iterations,
"padding": padding,
"padding.options": PADDING_OPTIONS,
},
)
key = self.get_encryption_key()
if key is None:
self.warn_and_quit(EXIT_ENCRYPTION, "encryption key is missing")
return
self._protocol.set_cipher_in(self.encryption, iv, key, key_salt, iterations, padding)
netlog(
"encryption capabilities: %s", dict((k, v) for k, v in capabilities.items() if k.startswith("cipher"))
)
capabilities.update(self.hello_extra)
return capabilities
def make_hello_base(self):
capabilities = flatten_dict(get_network_caps())
import struct
bits = struct.calcsize("P") * 8
capabilities.update({
"version": XPRA_VERSION,
"encoding.generic": True,
"namespace": True,
"hostname": socket.gethostname(),
"uuid": self.uuid,
"username": self.username,
"name": get_name(),
"client_type": self.client_type(),
"python.version": sys.version_info[:3],
"python.bits": bits,
"compression_level": self.compression_level,
"argv": sys.argv,
})
capabilities.update(self.get_file_transfer_features())
if self.display:
capabilities["display"] = self.display
def up(prefix, d):
updict(capabilities, prefix, d)
up("build", self.get_version_info())
mid = get_machine_id()
if mid:
capabilities["machine_id"] = mid
if self.encryption:
assert self.encryption in ENCRYPTION_CIPHERS
iv = get_iv()
key_salt = get_salt()
iterations = get_iterations()
padding = choose_padding(self.server_padding_options)
up(
"cipher", {
"": self.encryption,
"iv": iv,
"key_salt": key_salt,
"key_stretch_iterations": iterations,
"padding": padding,
"padding.options": PADDING_OPTIONS,
})
key = self.get_encryption_key()
if key is None:
self.warn_and_quit(EXIT_ENCRYPTION,
"encryption key is missing")
return
self._protocol.set_cipher_in(self.encryption, iv, key, key_salt,
iterations, padding)
netlog(
"encryption capabilities: %s",
dict((k, v) for k, v in capabilities.items()
if k.startswith("cipher")))
capabilities.update(self.hello_extra)
return capabilities
def make_hello_base(self):
capabilities = flatten_dict(get_network_caps())
#add "kerberos" and "gss" if enabled:
default_on = "all" in self.challenge_handlers or "auto" in self.challenge_handlers
for auth in ("kerberos", "gss", "u2f"):
if default_on or auth in self.challenge_handlers:
capabilities["digest"].append(auth)
capabilities.update(FilePrintMixin.get_caps(self))
capabilities.update({
"version" : XPRA_VERSION,
"encoding.generic" : True,
"namespace" : True,
"websocket.multi-packet": True,
"hostname" : socket.gethostname(),
"uuid" : self.uuid,
"username" : self.username,
"name" : get_name(),
"client_type" : self.client_type(),
"python.version" : sys.version_info[:3],
"python.bits" : BITS,
"compression_level" : self.compression_level,
"argv" : sys.argv,
})
capabilities.update(self.get_file_transfer_features())
if self.display:
capabilities["display"] = self.display
def up(prefix, d):
updict(capabilities, prefix, d)
up("build", self.get_version_info())
mid = get_machine_id()
if mid:
capabilities["machine_id"] = mid
if self.encryption:
assert self.encryption in ENCRYPTION_CIPHERS
iv = get_iv()
key_salt = get_salt()
iterations = get_iterations()
padding = choose_padding(self.server_padding_options)
up("cipher", {
"" : self.encryption,
"iv" : iv,
"key_salt" : key_salt,
"key_stretch_iterations": iterations,
"padding" : padding,
"padding.options" : PADDING_OPTIONS,
})
key = self.get_encryption_key()
if key is None:
self.warn_and_quit(EXIT_ENCRYPTION, "encryption key is missing")
return None
self._protocol.set_cipher_in(self.encryption, iv, key, key_salt, iterations, padding)
netlog("encryption capabilities: %s", dict((k,v) for k,v in capabilities.items() if k.startswith("cipher")))
capabilities.update(self.hello_extra)
return capabilities
def make_hello_base(self):
capabilities = get_network_caps()
capabilities.update({
"version": local_version,
"encoding.generic": True,
"namespace": True,
"file-transfer": self.file_transfer,
"file-size-limit": self.file_size_limit,
"printing": self.printing,
"hostname": socket.gethostname(),
"uuid": self.uuid,
"username": self.username,
"name": get_name(),
"client_type": self.client_type(),
"python.version": sys.version_info[:3],
"compression_level": self.compression_level,
})
if self.display:
capabilities["display"] = self.display
def up(prefix, d):
updict(capabilities, prefix, d)
up("platform", get_platform_info())
up("build", get_version_info())
mid = get_machine_id()
if mid:
capabilities["machine_id"] = mid
if self.encryption:
assert self.encryption in ENCRYPTION_CIPHERS
iv = get_hex_uuid()[:16]
key_salt = get_hex_uuid() + get_hex_uuid()
iterations = 1000
capabilities.update({
"cipher": self.encryption,
"cipher.iv": iv,
"cipher.key_salt": key_salt,
"cipher.key_stretch_iterations": iterations,
})
key = self.get_encryption_key()
if key is None:
self.warn_and_quit(EXIT_ENCRYPTION,
"encryption key is missing")
return
self._protocol.set_cipher_in(self.encryption, iv, key, key_salt,
iterations)
log("encryption capabilities: %s",
[(k, v)
for k, v in capabilities.items() if k.startswith("cipher")])
return capabilities
def make_hello(self, challenge_response=None):
capabilities = {}
add_version_info(capabilities)
capabilities["python.version"] = sys.version_info[:3]
if challenge_response:
assert self.password
capabilities["challenge_response"] = challenge_response
if self.encryption:
assert self.encryption in ENCRYPTION_CIPHERS
capabilities["cipher"] = self.encryption
iv = get_hex_uuid()[:16]
capabilities["cipher.iv"] = iv
key_salt = get_hex_uuid()
capabilities["cipher.key_salt"] = key_salt
iterations = 1000
capabilities["cipher.key_stretch_iterations"] = iterations
self._protocol.set_cipher_in(self.encryption, iv,
self.get_password(), key_salt,
iterations)
log("encryption capabilities: %s",
[(k, v)
for k, v in capabilities.items() if k.startswith("cipher")])
capabilities["platform"] = sys.platform
capabilities["platform.release"] = python_platform.release()
capabilities["platform.machine"] = python_platform.machine()
capabilities["platform.processor"] = python_platform.processor()
capabilities["client_type"] = self.client_type()
capabilities["namespace"] = True
capabilities["raw_packets"] = True
capabilities["chunked_compression"] = True
capabilities["bencode"] = True
capabilities["rencode"] = has_rencode
if has_rencode:
capabilities["rencode.version"] = rencode_version
capabilities["hostname"] = socket.gethostname()
capabilities["uuid"] = self.uuid
try:
from xpra.platform.info import get_username, get_name
capabilities["username"] = get_username()
capabilities["name"] = get_name()
except:
log.error("failed to get username/name", exc_info=True)
capabilities["randr_notify"] = False #only client.py cares about this
capabilities["windows"] = False #only client.py cares about this
if self._reverse_aliases:
capabilities["aliases"] = self._reverse_aliases
return capabilities
def make_hello_base(self):
capabilities = get_network_caps()
capabilities.update({
"version" : local_version,
"encoding.generic" : True,
"namespace" : True,
"file-transfer" : self.file_transfer,
"file-size-limit" : self.file_size_limit,
"printing" : self.printing,
"hostname" : socket.gethostname(),
"uuid" : self.uuid,
"username" : self.username,
"name" : get_name(),
"client_type" : self.client_type(),
"python.version" : sys.version_info[:3],
"compression_level" : self.compression_level,
})
if self.display:
capabilities["display"] = self.display
def up(prefix, d):
updict(capabilities, prefix, d)
up("platform", get_platform_info())
up("build", get_version_info())
mid = get_machine_id()
if mid:
capabilities["machine_id"] = mid
if self.encryption:
assert self.encryption in ENCRYPTION_CIPHERS
iv = get_hex_uuid()[:16]
key_salt = get_hex_uuid()+get_hex_uuid()
iterations = 1000
capabilities.update({
"cipher" : self.encryption,
"cipher.iv" : iv,
"cipher.key_salt" : key_salt,
"cipher.key_stretch_iterations": iterations,
})
key = self.get_encryption_key()
if key is None:
self.warn_and_quit(EXIT_ENCRYPTION, "encryption key is missing")
return
self._protocol.set_cipher_in(self.encryption, iv, key, key_salt, iterations)
log("encryption capabilities: %s", [(k,v) for k,v in capabilities.items() if k.startswith("cipher")])
return capabilities
def make_hello(self, challenge_response=None):
capabilities = {}
add_version_info(capabilities)
capabilities["python.version"] = sys.version_info[:3]
if challenge_response:
assert self.password
capabilities["challenge_response"] = challenge_response
if self.encryption:
assert self.encryption in ENCRYPTION_CIPHERS
capabilities["cipher"] = self.encryption
iv = get_hex_uuid()[:16]
capabilities["cipher.iv"] = iv
key_salt = get_hex_uuid()
capabilities["cipher.key_salt"] = key_salt
iterations = 1000
capabilities["cipher.key_stretch_iterations"] = iterations
self._protocol.set_cipher_in(self.encryption, iv, self.get_password(), key_salt, iterations)
log("encryption capabilities: %s", [(k,v) for k,v in capabilities.items() if k.startswith("cipher")])
capabilities["platform"] = sys.platform
capabilities["platform.release"] = python_platform.release()
capabilities["platform.machine"] = python_platform.machine()
capabilities["platform.processor"] = python_platform.processor()
capabilities["client_type"] = self.client_type()
capabilities["namespace"] = True
capabilities["raw_packets"] = True
capabilities["chunked_compression"] = True
capabilities["bencode"] = True
capabilities["rencode"] = has_rencode
if has_rencode:
capabilities["rencode.version"] = rencode_version
capabilities["hostname"] = socket.gethostname()
capabilities["uuid"] = self.uuid
try:
from xpra.platform.info import get_username, get_name
capabilities["username"] = get_username()
capabilities["name"] = get_name()
except:
log.error("failed to get username/name", exc_info=True)
capabilities["randr_notify"] = False #only client.py cares about this
capabilities["windows"] = False #only client.py cares about this
if self._reverse_aliases:
capabilities["aliases"] = self._reverse_aliases
return capabilities
def make_hello_base(self):
capabilities = flatten_dict(get_network_caps())
#add "kerberos", "gss" and "u2f" digests if enabled:
for handler in self.challenge_handlers:
digest = handler.get_digest()
if digest:
capabilities["digest"].append(digest)
capabilities.update(FilePrintMixin.get_caps(self))
capabilities.update({
"version" : XPRA_VERSION,
"websocket.multi-packet": True,
"hostname" : socket.gethostname(),
"uuid" : self.uuid,
"session-id" : self.session_id,
"username" : self.username,
"name" : get_name(),
"client_type" : self.client_type(),
"python.version" : sys.version_info[:3],
"python.bits" : BITS,
"compression_level" : self.compression_level,
"argv" : sys.argv,
})
capabilities.update(self.get_file_transfer_features())
if self.display:
capabilities["display"] = self.display
def up(prefix, d):
updict(capabilities, prefix, d)
up("build", self.get_version_info())
mid = get_machine_id()
if mid:
capabilities["machine_id"] = mid
encryption = self.get_encryption()
cryptolog("encryption=%s", encryption)
if encryption:
crypto_backend_init()
enc, mode = (encryption+"-").split("-")[:2]
if not mode:
mode = DEFAULT_MODE
assert enc in ENCRYPTION_CIPHERS, "invalid encryption '%s', options: %s" % (enc, csv(ENCRYPTION_CIPHERS))
assert mode in MODES, "invalid encryption mode '%s', options: %s" % (mode, csv(MODES))
iv = get_iv()
key_salt = get_salt()
iterations = get_iterations()
padding = choose_padding(self.server_padding_options)
cipher_caps = {
"" : enc,
"mode" : mode,
"iv" : iv,
"key_salt" : key_salt,
"key_size" : DEFAULT_KEYSIZE,
"key_hash" : DEFAULT_KEY_HASH,
"key_stretch" : "PBKDF2",
"key_stretch_iterations": iterations,
"padding" : padding,
"padding.options" : PADDING_OPTIONS,
}
cryptolog("cipher_caps=%s", cipher_caps)
up("cipher", cipher_caps)
key = self.get_encryption_key()
self._protocol.set_cipher_in(encryption, iv, key,
key_salt, DEFAULT_KEY_HASH, DEFAULT_KEYSIZE, iterations, padding)
capabilities.update(self.hello_extra)
return capabilities
def make_hello_base(self):
capabilities = flatten_dict(get_network_caps())
import struct
bits = struct.calcsize("P") * 8
capabilities.update({
"version" : XPRA_VERSION,
"encoding.generic" : True,
"namespace" : True,
"hostname" : socket.gethostname(),
"uuid" : self.uuid,
"username" : self.username,
"name" : get_name(),
"client_type" : self.client_type(),
"python.version" : sys.version_info[:3],
"python.bits" : bits,
"compression_level" : self.compression_level,
"argv" : sys.argv,
})
capabilities.update(self.get_file_transfer_features())
if self.display:
capabilities["display"] = self.display
def up(prefix, d):
updict(capabilities, prefix, d)
up("build", self.get_version_info())
mid = get_machine_id()
if mid:
capabilities["machine_id"] = mid
#get socket speed if we have it:
pinfo = self._protocol.get_info()
netlog("protocol info=%s", pinfo)
socket_speed = pinfo.get("socket", {}).get("speed")
if socket_speed:
capabilities["connection-data"] = {"speed" : socket_speed}
bandwidth_limit = self.bandwidth_limit
log("bandwidth-limit=%s, socket-speed=%s", self.bandwidth_limit, socket_speed)
if bandwidth_limit is None:
if socket_speed:
#auto: use 80% of socket speed if we have it:
bandwidth_limit = socket_speed*AUTO_BANDWIDTH_PCT//100 or 0
else:
bandwidth_limit = 0
if bandwidth_limit>0:
capabilities["bandwidth-limit"] = bandwidth_limit
if self.encryption:
assert self.encryption in ENCRYPTION_CIPHERS
iv = get_iv()
key_salt = get_salt()
iterations = get_iterations()
padding = choose_padding(self.server_padding_options)
up("cipher", {
"" : self.encryption,
"iv" : iv,
"key_salt" : key_salt,
"key_stretch_iterations": iterations,
"padding" : padding,
"padding.options" : PADDING_OPTIONS,
})
key = self.get_encryption_key()
if key is None:
self.warn_and_quit(EXIT_ENCRYPTION, "encryption key is missing")
return
self._protocol.set_cipher_in(self.encryption, iv, key, key_salt, iterations, padding)
netlog("encryption capabilities: %s", dict((k,v) for k,v in capabilities.items() if k.startswith("cipher")))
capabilities.update(self.hello_extra)
return capabilities
