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(self, source):
capabilities = super().make_hello(source)
for c in SERVER_BASES:
if c != ServerCore:
merge_dicts(capabilities, c.get_caps(self, source))
capabilities["server_type"] = "base"
if source.wants_display:
capabilities.update({
"max_desktop_size": self.get_max_screen_size(),
"display": os.environ.get("DISPLAY", "Main"),
})
if source.wants_features:
capabilities.update({
"client-shutdown": self.client_shutdown,
"sharing": self.sharing is not False,
"sharing-toggle": self.sharing is None,
"lock": self.lock is not False,
"lock-toggle": self.lock is None,
"windows": server_features.windows,
"keyboard": server_features.input_devices,
"pointer": server_features.input_devices,
})
capabilities.update(flatten_dict(self.get_server_features(source)))
capabilities[
"configure.pointer"] = True #v4 clients assume this is enabled
return capabilities
def make_hello(self, source):
capabilities = ServerCore.make_hello(self, source)
for c in SERVER_BASES:
if c != ServerCore:
merge_dicts(capabilities, c.get_caps(self, source))
capabilities["server_type"] = "base"
if source.wants_display:
capabilities.update({
"max_desktop_size": self.get_max_screen_size(),
})
if source.wants_features:
capabilities.update({
"client-shutdown": self.client_shutdown,
"sharing": self.sharing is not False,
"sharing-toggle": self.sharing is None,
"lock": self.lock is not False,
"lock-toggle": self.lock is None,
"windows": server_features.windows,
"keyboard": server_features.input_devices,
"pointer": server_features.input_devices,
})
capabilities.update(flatten_dict(self.get_server_features(source)))
#this is a feature, but we would need the hello request
#to know if it is really needed.. so always include it:
capabilities["exit_server"] = True
return capabilities
def make_hello(self, source):
capabilities = ServerCore.make_hello(self, source)
for c in ServerBase.__bases__:
if c!=ServerCore:
merge_dicts(capabilities, c.get_caps(self))
capabilities["server_type"] = "base"
if source.wants_display:
capabilities.update({
"max_desktop_size" : self.get_max_screen_size(),
})
if source.wants_features:
capabilities.update({
"bell" : self.bell,
"cursors" : self.cursors,
"av-sync.enabled" : self.av_sync,
"client-shutdown" : self.client_shutdown,
"sharing" : self.sharing is not False,
"sharing-toggle" : self.sharing is None,
"lock" : self.lock is not False,
"lock-toggle" : self.lock is None,
})
capabilities.update(flatten_dict(self.get_server_features(source)))
#this is a feature, but we would need the hello request
#to know if it is really needed.. so always include it:
capabilities["exit_server"] = True
return capabilities
def do_command(self):
if self.server_capabilities:
if FLATTEN_INFO<2:
#compatibility mode:
c = flatten_dict(self.server_capabilities)
for k in sorted_nicely(c.keys()):
v = c.get(k)
if PYTHON3:
#FIXME: this is a nasty and horrible python3 workaround (yet again)
#we want to print bytes as strings without the ugly 'b' prefix..
#it assumes that all the strings are raw or in (possibly nested) lists or tuples only
#we assume that all strings we get are utf-8,
#and fallback to the bytestostr hack if that fails
def fixvalue(w):
if type(w)==bytes:
try:
return w.decode("utf-8")
except:
return bytestostr(w)
elif type(w) in (tuple,list):
return type(w)([fixvalue(x) for x in w])
return w
v = fixvalue(v)
k = fixvalue(k)
log.info("%s=%s", k, nonl(v))
else:
print_nested_dict(self.server_capabilities)
self.quit(EXIT_OK)
def do_command(self, caps : typedict):
def print_fn(s):
sys.stdout.write("%s\n" % (s,))
if not caps:
self.quit(EXIT_NO_DATA)
return
exit_code = EXIT_OK
try:
if FLATTEN_INFO<2:
#compatibility mode:
c = flatten_dict(caps)
for k in sorted_nicely(c.keys()):
v = c.get(k)
#FIXME: this is a nasty and horrible python3 workaround (yet again)
#we want to print bytes as strings without the ugly 'b' prefix..
#it assumes that all the strings are raw or in (possibly nested) lists or tuples only
#we assume that all strings we get are utf-8,
#and fallback to the bytestostr hack if that fails
def fixvalue(w):
if isinstance(w, bytes):
if k.endswith(".data"):
return hexstr(w)
return u(w)
elif isinstance(w, (tuple,list)):
return type(w)([fixvalue(x) for x in w])
return w
v = fixvalue(v)
k = fixvalue(k)
print_fn("%s=%s" % (k, nonl(v)))
else:
print_nested_dict(caps, print_fn=print_fn)
except OSError:
exit_code = EXIT_IO_ERROR
self.quit(exit_code)
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(self, source):
capabilities = ServerBase.make_hello(self, source)
if source.wants_display:
display = gtk.gdk.display_get_default()
capabilities.update({
"display" : display.get_name(),
"cursor.default_size" : display.get_default_cursor_size(),
"cursor.max_size" : display.get_maximal_cursor_size()})
if source.wants_versions:
capabilities.update(flatten_dict(get_gtk_version_info()))
return capabilities
def make_hello(self, source):
capabilities = ServerBase.make_hello(self, source)
if source.wants_display:
display = gtk.gdk.display_get_default()
capabilities.update({
"display" : display.get_name(),
"cursor.default_size" : display.get_default_cursor_size(),
"cursor.max_size" : display.get_maximal_cursor_size()})
if source.wants_versions:
capabilities.update(flatten_dict(get_gtk_version_info()))
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 get_caps(self) -> dict:
if not self.wants_sound or not self.sound_properties:
return {}
sound_props = self.sound_properties.copy()
sound_props.update({
"codec-full-names" : True,
"encoders" : self.speaker_codecs,
"decoders" : self.microphone_codecs,
"send" : self.supports_speaker and len(self.speaker_codecs)>0,
"receive" : self.supports_microphone and len(self.microphone_codecs)>0,
})
return flatten_dict({"sound" : sound_props})
def make_hello(self, source):
capabilities = super().make_hello(source)
if source.wants_display:
display = Gdk.Display.get_default()
max_size = tuple(display.get_maximal_cursor_size())
capabilities.update({
"display" : display.get_name(),
"cursor.default_size" : display.get_default_cursor_size(),
"cursor.max_size" : max_size,
})
if source.wants_versions:
capabilities.update(flatten_dict(get_gtk_version_info()))
return capabilities
def make_hello(self, source):
now = time.time()
capabilities = flatten_dict(get_network_caps())
if source.wants_versions:
capabilities.update(flatten_dict(get_server_info()))
capabilities.update({
"version" : xpra.__version__,
"start_time" : int(self.start_time),
"current_time" : int(now),
"elapsed_time" : int(now - self.start_time),
"server_type" : "core",
"server.mode" : self.get_server_mode(),
})
if source.wants_features:
capabilities["info-request"] = True
if source.wants_versions:
capabilities["uuid"] = get_user_uuid()
mid = get_machine_id()
if mid:
capabilities["machine_id"] = mid
if self.session_name:
capabilities["session_name"] = self.session_name
return capabilities
def make_hello(self, source):
now = time.time()
capabilities = flatten_dict(get_network_caps())
if source.wants_versions:
capabilities.update(flatten_dict(get_server_info()))
capabilities.update({
"version": xpra.__version__,
"start_time": int(self.start_time),
"current_time": int(now),
"elapsed_time": int(now - self.start_time),
"server_type": "core",
"server.mode": self.get_server_mode(),
})
if source.wants_features:
capabilities["info-request"] = True
if source.wants_versions:
capabilities["uuid"] = get_user_uuid()
mid = get_machine_id()
if mid:
capabilities["machine_id"] = mid
if self.session_name:
capabilities["session_name"] = self.session_name
return capabilities
def get_caps(self):
caps = flatten_dict({
"clipboard": {
"notifications": self.client_supports_clipboard,
"selections": CLIPBOARDS,
#buggy osx clipboards:
"want_targets": CLIPBOARD_WANT_TARGETS,
#buggy osx and win32 clipboards:
"greedy": CLIPBOARD_GREEDY,
"set_enabled": True,
},
})
caps["clipboard"] = self.client_supports_clipboard
return caps
def get_caps(self):
caps = {
"randr_notify": True,
"show-desktop": True,
}
wm_name = get_wm_name()
if wm_name:
caps["wm_name"] = wm_name
self._last_screen_settings = self.get_screen_settings()
root_w, root_h, sss, ndesktops, desktop_names, u_root_w, u_root_h, _, _ = self._last_screen_settings
if u_root_w and u_root_h:
caps["desktop_size"] = self.cp(u_root_w, u_root_h)
if ndesktops:
caps["desktops"] = ndesktops
caps["desktop.names"] = desktop_names
ss = self.get_screen_sizes()
self._current_screen_sizes = ss
log.info(" desktop size is %sx%s with %s screen%s:", u_root_w,
u_root_h, len(ss), engs(ss))
log_screen_sizes(u_root_w, u_root_h, ss)
if self.xscale != 1 or self.yscale != 1:
caps["screen_sizes.unscaled"] = ss
caps["desktop_size.unscaled"] = u_root_w, u_root_h
root_w, root_h = self.cp(u_root_w, u_root_h)
if fequ(self.xscale, self.yscale):
sinfo = "%i%%" % iround(self.xscale * 100)
else:
sinfo = "%i%% x %i%%" % (iround(
self.xscale * 100), iround(self.yscale * 100))
log.info(" %sscaled by %s, virtual screen size: %ix%i",
["down",
"up"][int(u_root_w > root_w
or u_root_h > root_h)], sinfo, root_w, root_h)
log_screen_sizes(root_w, root_h, sss)
else:
root_w, root_h = u_root_w, u_root_h
sss = ss
caps["screen_sizes"] = sss
caps.update(self.get_screen_caps())
caps.update(
flatten_dict({
"dpi": self.get_dpi_caps(),
"screen-scaling": self.get_scaling_caps(),
}))
return caps
def get_caps(self) -> dict:
caps = {
"randr_notify": True,
"show-desktop": True,
"vrefresh": self.get_vrefresh(),
}
wm_name = get_wm_name()
if wm_name:
caps["wm_name"] = wm_name
self._last_screen_settings = self.get_screen_settings()
root_w, root_h, sss, ndesktops, desktop_names, u_root_w, u_root_h = self._last_screen_settings[:
7]
if u_root_w and u_root_h:
caps["desktop_size"] = self.cp(u_root_w, u_root_h)
if ndesktops:
caps["desktops"] = ndesktops
caps["desktop.names"] = tuple(desktop_names)
ss = self.get_screen_sizes()
self._current_screen_sizes = ss
log.info(" desktop size is %sx%s:", u_root_w, u_root_h)
log_screen_sizes(u_root_w, u_root_h, ss)
if self.xscale != 1 or self.yscale != 1:
caps["screen_sizes.unscaled"] = ss
caps["desktop_size.unscaled"] = u_root_w, u_root_h
root_w, root_h = self.cp(u_root_w, u_root_h)
if fequ(self.xscale, self.yscale):
sinfo = "%i%%" % iround(self.xscale * 100)
else:
sinfo = "%i%% x %i%%" % (iround(
self.xscale * 100), iround(self.yscale * 100))
scaled_up = u_root_w > root_w or u_root_h > root_h
log.info(" %sscaled to %s, virtual screen size: %ix%i",
"up" if scaled_up else "down", sinfo, root_w, root_h)
log_screen_sizes(root_w, root_h, sss)
else:
root_w, root_h = u_root_w, u_root_h
sss = ss
caps["screen_sizes"] = sss
caps.update(self.get_screen_caps())
caps.update(
flatten_dict({
"dpi": self.get_dpi_caps(),
"screen-scaling": self.get_scaling_caps(),
}))
return caps
def get_caps(self):
if not self.client_supports_clipboard:
return {}
caps = flatten_dict({
"clipboard" : {
"" : True,
"notifications" : True,
"selections" : CLIPBOARDS,
#buggy osx clipboards:
"want_targets" : CLIPBOARD_WANT_TARGETS,
#buggy osx and win32 clipboards:
"greedy" : CLIPBOARD_GREEDY,
"set_enabled" : True,
"contents-slice-fix" : True,
},
})
return caps
def filter_caps(self, caps, prefixes):
#removes caps that the proxy overrides / does not use:
pcaps = {}
removed = []
for k in caps.keys():
if any(e for e in prefixes if bytestostr(k).startswith(e)):
removed.append(k)
else:
pcaps[k] = caps[k]
log("filtered out %s matching %s", removed, prefixes)
#replace the network caps with the proxy's own:
pcaps.update(flatten_dict(get_network_caps()))
#then add the proxy info:
updict(pcaps, "proxy", get_server_info(), flatten_dicts=True)
pcaps["proxy"] = True
pcaps["proxy.hostname"] = socket.gethostname()
return pcaps
def get_caps(self) -> dict:
if not self.client_supports_clipboard:
return {}
caps = flatten_dict({
"clipboard" : {
"" : True,
"notifications" : True,
"selections" : CLIPBOARDS,
#buggy osx clipboards:
"want_targets" : CLIPBOARD_WANT_TARGETS,
#buggy osx and win32 clipboards:
"greedy" : CLIPBOARD_GREEDY,
"preferred-targets" : CLIPBOARD_PREFERRED_TARGETS,
"set_enabled" : True, #v4 servers no longer use or show this flag
"contents-slice-fix" : True, #fixed in v2.4, removed check in v4.3
},
})
return caps
def main():
from xpra.util import nonl, pver, flatten_dict, print_nested_dict
def print_version_dict(d, vformat=pver):
for k in sorted(d.keys()):
v = d[k]
print("* %-48s : %s" % (str(k).replace(".version", "").ljust(12), nonl(vformat(v))))
from xpra.platform import program_context
with program_context("GTK-Version-Info", "GTK Version Info"):
from xpra.platform.gui import init as gui_init, ready
gui_init()
ready()
from xpra.gtk_common import gtk_util
if "-v" in sys.argv or "--verbose" in sys.argv:
gtk_util.SHOW_ALL_VISUALS = True
print("GTK Version:")
print_version_dict(flatten_dict(gtk_util.get_gtk_version_info()))
print("Display:")
print_nested_dict(gtk_util.get_display_info(), vformat=str)
def filter_caps(self, caps, prefixes):
#removes caps that the proxy overrides / does not use:
#(not very pythonic!)
pcaps = {}
removed = []
for k in caps.keys():
skip = len([e for e in prefixes if k.startswith(e)])
if skip==0:
pcaps[k] = caps[k]
else:
removed.append(k)
log("filtered out %s matching %s", removed, prefixes)
#replace the network caps with the proxy's own:
pcaps.update(flatten_dict(get_network_caps()))
#then add the proxy info:
updict(pcaps, "proxy", get_server_info(), flatten_dicts=True)
pcaps["proxy"] = True
pcaps["proxy.hostname"] = socket.gethostname()
return pcaps
def make_hello(self):
capabilities = UIXpraClient.make_hello(self)
capabilities["named_cursors"] = len(cursor_types) > 0
capabilities.update(flatten_dict(get_gtk_version_info()))
#tell the server which icons GTK can use
#so it knows when it should supply one as fallback
it = icon_theme_get_default()
#this would add our bundled icon directory
#to the search path, but I don't think we have
#any extra icons that matter in there:
#from xpra.platform.paths import get_icon_dir
#d = get_icon_dir()
#if d not in it.get_search_path():
# it.append_search_path(d)
# it.rescan_if_needed()
log("default icon theme: %s", it)
log("icon search path: %s", it.get_search_path())
log("contexts: %s", it.list_contexts())
icons = []
for context in it.list_contexts():
icons += it.list_icons(context)
log("icons: %s", icons)
capabilities["theme.default.icons"] = list(set(icons))
if METADATA_SUPPORTED:
ms = [x.strip() for x in METADATA_SUPPORTED.split(",")]
else:
#this is currently unused, and slightly redundant because of metadata.supported below:
capabilities["window.states"] = [
"fullscreen", "maximized", "sticky", "above", "below",
"shaded", "iconified", "skip-taskbar", "skip-pager"
]
ms = list(DEFAULT_METADATA_SUPPORTED)
#added in 0.15:
ms += [
"command", "workspace", "above", "below", "sticky",
"set-initial-position"
] #0.17
if os.name == "posix":
#this is only really supported on X11, but posix is easier to check for..
#"strut" and maybe even "fullscreen-monitors" could also be supported on other platforms I guess
ms += [
"shaded", "bypass-compositor", "strut", "fullscreen-monitors"
]
if HAS_X11_BINDINGS:
ms += ["shape"]
if self._set_window_menu:
ms += ["menu"]
#figure out if we can handle the "global menu" stuff:
if os.name == "posix" and not sys.platform.startswith("darwin"):
try:
from xpra.dbus.helper import DBusHelper
assert DBusHelper
except:
pass
log("metadata.supported: %s", ms)
capabilities["metadata.supported"] = ms
#we need the bindings to support initiate-moveresize (posix only for now):
updict(
capabilities, "window", {
"initiate-moveresize": HAS_X11_BINDINGS,
"configure.pointer": True,
"frame_sizes": self.get_window_frame_sizes()
})
from xpra.client.window_backing_base import DELTA_BUCKETS
updict(
capabilities,
"encoding",
{
"icons.greedy":
True, #we don't set a default window icon any more
"icons.size": (64, 64), #size we want
"icons.max_size": (128, 128), #limit
"delta_buckets": DELTA_BUCKETS,
})
return capabilities
def do_send_info(self, proto, info, flatten):
if flatten:
info = flatten_dict(info)
else:
info = notypedict(info)
proto.send_now(("hello", info))
def send_info_response(self, info):
if self.info_namespace:
v = notypedict(info)
else:
v = flatten_dict(info)
self.send_async("info-response", v)
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
def make_hello(self):
capabilities = UIXpraClient.make_hello(self)
capabilities["named_cursors"] = len(cursor_types)>0
capabilities.update(flatten_dict(get_gtk_version_info()))
#tell the server which icons GTK can use
#so it knows when it should supply one as fallback
it = icon_theme_get_default()
#this would add our bundled icon directory
#to the search path, but I don't think we have
#any extra icons that matter in there:
#from xpra.platform.paths import get_icon_dir
#d = get_icon_dir()
#if d not in it.get_search_path():
# it.append_search_path(d)
# it.rescan_if_needed()
log("default icon theme: %s", it)
log("icon search path: %s", it.get_search_path())
log("contexts: %s", it.list_contexts())
icons = []
for context in it.list_contexts():
icons += it.list_icons(context)
log("icons: %s", icons)
capabilities["theme.default.icons"] = list(set(icons))
if METADATA_SUPPORTED:
ms = [x.strip() for x in METADATA_SUPPORTED.split(",")]
else:
#this is currently unused, and slightly redundant because of metadata.supported below:
capabilities["window.states"] = ["fullscreen", "maximized", "sticky", "above", "below", "shaded", "iconified", "skip-taskbar", "skip-pager"]
ms = list(DEFAULT_METADATA_SUPPORTED)
#added in 0.15:
ms += ["command", "workspace", "above", "below", "sticky",
"set-initial-position"] #0.17
if os.name=="posix":
#this is only really supported on X11, but posix is easier to check for..
#"strut" and maybe even "fullscreen-monitors" could also be supported on other platforms I guess
ms += ["shaded", "bypass-compositor", "strut", "fullscreen-monitors"]
if HAS_X11_BINDINGS:
ms += ["shape"]
if self._set_window_menu:
ms += ["menu"]
#figure out if we can handle the "global menu" stuff:
if os.name=="posix" and not sys.platform.startswith("darwin"):
try:
from xpra.dbus.helper import DBusHelper
assert DBusHelper
except:
pass
log("metadata.supported: %s", ms)
capabilities["metadata.supported"] = ms
#we need the bindings to support initiate-moveresize (posix only for now):
updict(capabilities, "window", {
"initiate-moveresize" : HAS_X11_BINDINGS,
"configure.pointer" : True,
"frame_sizes" : self.get_window_frame_sizes()
})
from xpra.client.window_backing_base import DELTA_BUCKETS
updict(capabilities, "encoding", {
"icons.greedy" : True, #we don't set a default window icon any more
"icons.size" : (64, 64), #size we want
"icons.max_size" : (128, 128), #limit
"delta_buckets" : DELTA_BUCKETS,
})
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 do_send_info(self, proto, info, flatten):
if flatten:
info = flatten_dict(info)
else:
info = notypedict(info)
proto.send_now(("hello", info))