def main():
window = gtk.Window(WINDOW_TOPLEVEL)
window.set_size_request(400, 100)
window.connect("delete_event", gtk.main_quit)
da = gtk.DrawingArea()
window.add(da)
window.show_all()
#self.selectX11FocusChange(self)
def focus_in(_window, event):
print("focus-in-event")
def focus_out(_window, event):
print("focus-out-event")
def has_toplevel_focus(_window, event):
print("has-toplevel-event")
window.connect("focus-in-event", focus_in)
window.connect("focus-out-event", focus_out)
window.connect("notify::has-toplevel-focus", has_toplevel_focus)
#x11 focus events:
gdk_win = window.get_window()
xid = get_xwindow(gdk_win)
init_gdk_display_source()
os.environ["XPRA_X11_DEBUG_EVENTS"] = "FocusIn,FocusOut"
init_x11_filter()
with xlog:
X11WindowBindings().selectFocusChange(xid)
gtk.main()
return 0
def check_support():
ptr = get_display_ptr()
if not ptr:
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source #@UnresolvedImport, @UnusedImport
init_gdk_display_source()
return GLContext().check_support()
def test_display(self):
if os.environ.get("DISPLAY") and POSIX and not OSX and os.environ.get(
"GDK_BACKEND", "x11") == "x11":
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source
init_gdk_display_source()
from xpra.server.mixins.display_manager import DisplayManager
from xpra.server.source.clientdisplay_mixin import ClientDisplayMixin
opts = AdHocStruct()
opts.bell = True
opts.cursors = True
opts.dpi = 144
opts.opengl = "no"
def get_root_window_size():
return 1024, 768
def calculate_workarea(*_args):
pass
def set_desktop_geometry(*_args):
pass
def _DisplayManager():
dm = DisplayManager()
dm.get_root_window_size = get_root_window_size
dm.calculate_workarea = calculate_workarea
dm.set_desktop_geometry = set_desktop_geometry
return dm
self._test_mixin_class(_DisplayManager, opts, {}, ClientDisplayMixin)
def main(argv=()):
from xpra.os_util import POSIX, OSX
from xpra.platform import program_context
from xpra.platform.gui import init, set_default_icon
with program_context("Xpra-Bug-Report", "Xpra Bug Report"):
from xpra.log import enable_color
enable_color()
if POSIX and not OSX:
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source
init_gdk_display_source()
set_default_icon("bugs.png")
init()
from xpra.log import enable_debug_for
#logging init:
if "-v" in argv:
enable_debug_for("util")
from xpra.client.gtk_base.bug_report import BugReport
from xpra.gtk_common.gobject_compat import register_os_signals
app = BugReport()
app.close = app.quit
app.init(True)
register_os_signals(app.quit, "Bug Report")
try:
from xpra.platform.gui import ready as gui_ready
gui_ready()
app.show()
app.run()
except KeyboardInterrupt:
pass
return 0
def main():
try:
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source
init_gdk_display_source()
except ImportError:
pass
from xpra.platform.gui import main as gui_main
gui_main()
def main():
try:
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source
init_gdk_display_source()
except:
pass
from xpra.platform.gui import main
main()
def main(args):
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source
init_gdk_display_source()
for wid in args[1:]:
print("looking for window %s" % wid)
if wid.startswith("0x"):
dump_xshape(int(wid[2:], 16))
else:
dump_xshape(int(wid))
def test_input(self):
if os.environ.get("DISPLAY") and POSIX and not OSX and os.environ.get(
"GDK_BACKEND", "x11") == "x11":
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source
init_gdk_display_source()
from xpra.server.mixins.input_server import InputServer
from xpra.server.source.input_mixin import InputMixin
opts = AdHocStruct()
self._test_mixin_class(InputServer, opts, {}, InputMixin)
def make_window():
window = Gtk.Window(type=Gtk.WindowType.TOPLEVEL)
window.set_title("Window Focus")
window.set_size_request(640, 200)
window.connect("delete_event", Gtk.main_quit)
vbox = Gtk.VBox()
N = 8
labels = []
font = Pango.FontDescription("sans 12")
for _ in range(N):
l = Gtk.Label()
l.modify_font(font)
labels.append(l)
for l in labels:
al = Gtk.Alignment(xalign=0, yalign=0.5, xscale=0.0, yscale=0)
al.add(l)
vbox.add(al)
window.add(vbox)
window.show_all()
text = deque(maxlen=N)
def update(s):
text.append("%s: %s" % (datetime.now(), s))
for i, t in enumerate(text):
labels[i].set_text(t)
#self.selectX11FocusChange(self)
def focus_in(_window, event):
update("focus-in-event")
def focus_out(_window, event):
update("focus-out-event")
def has_toplevel_focus(window, _event):
update("has-toplevel-focus: %s" % window.has_toplevel_focus())
window.connect("focus-in-event", focus_in)
window.connect("focus-out-event", focus_out)
window.connect("notify::has-toplevel-focus", has_toplevel_focus)
if POSIX and not OSX:
from xpra.gtk_common.error import xlog
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source
from xpra.x11.gtk_x11.gdk_bindings import init_x11_filter
from xpra.x11.bindings.window_bindings import X11WindowBindings #pylint: disable=no-name-in-module
from xpra.os_util import is_Wayland
if not is_Wayland():
#x11 focus events:
gdk_win = window.get_window()
xid = gdk_win.get_xid()
init_gdk_display_source()
os.environ["XPRA_X11_DEBUG_EVENTS"] = "FocusIn,FocusOut"
init_x11_filter()
with xlog:
X11WindowBindings().selectFocusChange(xid)
return window
def __enter__(self):
OSEnvContext.__enter__(self)
if POSIX and not OSX:
ProcessTestUtil.setUpClass()
self.stu = ProcessTestUtil()
self.stu.setUp()
self.xvfb_process = self.stu.start_Xvfb()
os.environ["GDK_BACKEND"] = "x11"
os.environ["DISPLAY"] = self.xvfb_process.display
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source
init_gdk_display_source()
def send_net_showing_desktop(v):
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source
from xpra.x11.bindings.window_bindings import constants, X11WindowBindings #@UnresolvedImport
init_gdk_display_source()
X11Window = X11WindowBindings()
root = window.get_window().get_screen().get_root_window()
root_xid = root.get_xid()
SubstructureNotifyMask = constants["SubstructureNotifyMask"]
SubstructureRedirectMask = constants["SubstructureRedirectMask"]
event_mask = SubstructureNotifyMask | SubstructureRedirectMask
X11Window.sendClientMessage(root_xid, root_xid, False, event_mask,
"_NET_SHOWING_DESKTOP", v)
def main():
#use gtk as display source:
from xpra.os_util import POSIX
if POSIX:
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source
init_gdk_display_source()
from xpra.util import print_nested_dict
from xpra.platform import program_context
with program_context("GTK-Keyboard", "GTK Keyboard"):
x = GTKKeyboardHelper(None, True, "")
x.query_xkbmap()
print_nested_dict(x.get_keymap_properties())
def test_clipboard(self):
with DisplayContext():
if POSIX and not OSX:
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source
init_gdk_display_source()
from xpra.server.mixins.clipboard_server import ClipboardServer
from xpra.server.source.clipboard_connection import ClipboardConnection
opts = AdHocStruct()
opts.clipboard = "yes"
opts.clipboard_direction = "both"
opts.clipboard_filter_file = None
self._test_mixin_class(ClipboardServer, opts, {},
ClipboardConnection)
def moveresize_X11(self, *_args): new_x, new_y, new_width, new_height = self.get_new_geometry() from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source init_gdk_display_source() from xpra.x11.bindings.window_bindings import constants, X11WindowBindings #@UnresolvedImport X11Window = X11WindowBindings() root = self.get_window().get_screen().get_root_window() root_xid = root.xid xwin = self.get_window().xid SubstructureNotifyMask = constants["SubstructureNotifyMask"] SubstructureRedirectMask = constants["SubstructureRedirectMask"] event_mask = SubstructureNotifyMask | SubstructureRedirectMask X11Window.sendClientMessage(root_xid, xwin, False, event_mask, "_NET_MOVERESIZE_WINDOW", 1+2**8+2**9+2**10+2**11, new_x, new_y, new_width, new_height)
def initiate(x_root, y_root, direction, button, source_indication):
#print("initiate%s" % str((x_root, y_root, direction, button, source_indication)))
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source
init_gdk_display_source()
from xpra.x11.bindings.core_bindings import X11CoreBindings #@UnresolvedImport
from xpra.x11.bindings.window_bindings import constants, X11WindowBindings #@UnresolvedImport
event_mask = constants["SubstructureNotifyMask"] | constants["SubstructureRedirectMask"]
root_xid = get_root_window().get_xid()
xwin = window.get_window().get_xid()
X11Core = X11CoreBindings()
X11Core.UngrabPointer()
X11Window = X11WindowBindings()
X11Window.sendClientMessage(root_xid, xwin, False, event_mask, "_NET_WM_MOVERESIZE",
x_root, y_root, direction, button, source_indication)
def send_maximized_wm_state(mode):
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source
init_gdk_display_source()
from xpra.x11.bindings.window_bindings import constants, X11WindowBindings #@UnresolvedImport
X11Window = X11WindowBindings()
root = window.get_window().get_screen().get_root_window()
root_xid = root.get_xid()
xwin = window.get_window().get_xid()
SubstructureNotifyMask = constants["SubstructureNotifyMask"]
SubstructureRedirectMask = constants["SubstructureRedirectMask"]
event_mask = SubstructureNotifyMask | SubstructureRedirectMask
X11Window.sendClientMessage(root_xid, xwin, False, event_mask,
"_NET_WM_STATE", mode,
"_NET_WM_STATE_MAXIMIZED_VERT",
"_NET_WM_STATE_MAXIMIZED_HORZ", 0, 0)
def main():
init_gdk_display_source()
win = Gtk.Window()
win.set_size_request(400, 100)
win.set_title("WM_COMMAND test")
win.show()
def change_wmcommand():
with xsync:
prop_set(win.get_window(), "WM_COMMAND", "latin1", "HELLO WORLD")
print("WM_COMMAND changed!")
GLib.timeout_add(1000, change_wmcommand)
Gtk.main()
return 0
def main():
from xpra.x11.xsettings_prop import XSettingsNames
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source
init_gdk_display_source()
s = XSettingsHelper().get_settings()
assert s
seq, data = s
print("XSettings: (sequence %i)" % seq)
for vtype, prop, value, serial in data:
if isinstance(value, bytes):
vstr = value.decode()
else:
vstr = str(value)
if serial>0:
vstr += " (serial=%#x)" % serial
print("%8s: %32s = %-32s" % (XSettingsNames.get(vtype, "?"), prop.decode(), vstr))
def main():
from xpra.log import enable_color
from xpra.platform.gui import init, set_default_icon
with program_context("Keyboard-Test", "Keyboard Test Tool"):
enable_color()
set_default_icon("keyboard.png")
init()
if POSIX and not OSX:
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source
init_gdk_display_source()
w = KeyboardStateInfoWindow()
GLib.idle_add(w.show_with_focus)
Gtk.main()
return 0
def main():
x, y = 0, 0
if len(sys.argv) == 3:
x, y = int(sys.argv[1]), int(sys.argv[2])
window = Gtk.Window(type=Gtk.WindowType.TOPLEVEL)
window.set_size_request(width, height)
window.connect("delete_event", Gtk.main_quit)
window.realize()
window.move(x, y)
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source
init_gdk_display_source()
from xpra.x11.bindings.window_bindings import X11WindowBindings
hints = {"position": (x, y)}
X11WindowBindings().setSizeHints(window.get_window().get_xid(), hints)
window.show_all()
Gtk.main()
def _send_client_message(window, message_type, *values):
try:
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source
init_gdk_display_source()
from xpra.x11.bindings.window_bindings import constants #@UnresolvedImport
X11Window = X11WindowBindings()
root_xid = X11Window.getDefaultRootWindow()
if window:
xid = get_xwindow(window)
else:
xid = root_xid
SubstructureNotifyMask = constants["SubstructureNotifyMask"]
SubstructureRedirectMask = constants["SubstructureRedirectMask"]
event_mask = SubstructureNotifyMask | SubstructureRedirectMask
X11Window.sendClientMessage(root_xid, xid, False, event_mask, message_type, *values)
except Exception as e:
log.warn("failed to send client message '%s' with values=%s: %s", message_type, values, e)
def main():
from xpra.platform import program_context
from xpra.platform.gui import init as gui_init
from xpra.util import print_nested_dict
from xpra.log import enable_color
with program_context("OpenGL-Check"):
gui_init()
enable_color()
verbose = "-v" in sys.argv or "--verbose" in sys.argv
if verbose:
log.enable_debug()
if POSIX and not OSX:
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source
init_gdk_display_source()
force_enable = "-f" in sys.argv or "--force" in sys.argv
from xpra.platform.gl_context import GLContext
log("testing %s", GLContext)
gl_context = GLContext()
log("GLContext=%s", gl_context)
#replace ImportError with a log message:
global gl_check_error, raise_fatal_error
errors = []
def log_error(msg):
log.error("ERROR: %s", msg)
errors.append(msg)
gl_check_error = log_error
raise_fatal_error = log_error
try:
props = gl_context.check_support(force_enable)
except Exception as e:
props = {}
log("check_support", exc_info=True)
errors.append(e)
log.info("")
if len(errors) > 0:
log.info("OpenGL errors:")
for e in errors:
log.info(" %s", e)
if props:
log.info("")
log.info("OpenGL properties:")
print_nested_dict(props)
return len(errors)
def test_add(w, h):
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source
init_gdk_display_source()
from xpra.x11.bindings.randr_bindings import RandRBindings, log #@UnresolvedImport
log.enable_debug()
RandR = RandRBindings()
screen_sizes = RandR.get_xrr_screen_sizes()
print("screen_sizes=%s" % (screen_sizes, ))
if (w, h) in screen_sizes:
print("resolution %s is already present!" % ((w, h), ))
return
from xpra.gtk_common.error import xsync
with xsync:
r = RandR.add_screen_size(w, h)
print("add_screen_size(%i, %i)=%s" % (w, h, r))
import time
time.sleep(2)
screen_sizes = RandR.get_xrr_screen_sizes()
print("updated screen_sizes=%s" % (screen_sizes, ))
def populate_form(self):
btn = link_btn(
"https://github.com/Xpra-org/xpra/blob/master/docs/Features/Keyboard.md",
label="Open Keyboard Documentation",
icon_name=None)
self.vbox.pack_start(btn, expand=True, fill=False, padding=20)
tb = self.table()
if POSIX and not OSX:
try:
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source
init_gdk_display_source()
except Exception:
pass
from xpra.platform.keyboard import Keyboard
kbd = Keyboard() #pylint: disable=not-callable
layouts = {
"": "auto",
}
layouts.update(kbd.get_all_x11_layouts())
self.combo(tb, "Keyboard Layout", "keyboard-layout", layouts)
self.bool_cb(tb, "State Synchronization", "keyboard-sync")
self.bool_cb(tb, "Raw Mode", "keyboard-raw")
self.combo(
tb, "Input Method", "input-method", {
"auto": "auto",
"none": "default",
"keep": "unchanged",
"xim": "xim",
"IBus": "IBus",
"SCIM": "SCIM",
"uim": "uim",
})
self.combo(
tb, "Shortcut Modifiers", "shortcut-modifiers", {
"auto": "auto",
"shift + control": "Shift+Control",
"control + alt": "Control+Alt",
"shift + alt": "Shift+Alt",
})
self.vbox.show_all()
def main():
from xpra.log import enable_color
from xpra.platform.gui import init, set_default_icon
with program_context("Keyboard-Test", "Keyboard Test Tool"):
enable_color()
set_default_icon("keyboard.png")
init()
from xpra.gtk_common.gobject_compat import register_os_signals
def signal_handler(*_args):
Gtk.main_quit()
register_os_signals(signal_handler, "test window")
if POSIX and not OSX:
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source
init_gdk_display_source()
w = KeyboardStateInfoWindow()
GLib.idle_add(w.show_with_focus)
Gtk.main()
return 0
def main():
init_gdk_display_source()
win = Gtk.Window()
win.realize()
def print_extents():
v = prop_get(win.get_window(),
"_NET_FRAME_EXTENTS", ["u32"],
ignore_errors=False)
print("_NET_FRAME_EXTENTS: %s" % str(v))
with xsync:
event_mask = SubstructureNotifyMask | SubstructureRedirectMask
X11Window.sendClientMessage(root.xid,
win.get_window().xid, False,
event_mask,
"_NET_REQUEST_FRAME_EXTENTS")
print("sending _NET_REQUEST_FRAME_EXTENTS to %#x for %#x" %
(root.xid, win.get_window().xid))
return v is None
print_extents()
GLib.timeout_add(1000, print_extents)
Gtk.main()
return 0
def do_run_server(error_cb,
opts,
mode,
xpra_file,
extra_args,
desktop_display=None):
try:
cwd = os.getcwd()
except OSError:
cwd = os.path.expanduser("~")
warn("current working directory does not exist, using '%s'\n" % cwd)
validate_encryption(opts)
if opts.encoding == "help" or "help" in opts.encodings:
return show_encoding_help(opts)
assert mode in ("start", "start-desktop", "upgrade", "shadow", "proxy")
starting = mode == "start"
starting_desktop = mode == "start-desktop"
upgrading = mode == "upgrade"
shadowing = mode == "shadow"
proxying = mode == "proxy"
clobber = upgrading or opts.use_display
start_vfb = not shadowing and not proxying and not clobber
if shadowing and is_Wayland():
warn("shadow servers do not support Wayland, switch to X11")
if opts.bind_rfb and (proxying or starting):
get_util_logger().warn(
"Warning: bind-rfb sockets cannot be used with '%s' mode" % mode)
opts.bind_rfb = ""
if not shadowing and not starting_desktop:
opts.rfb_upgrade = 0
if upgrading or shadowing:
#there should already be one running
opts.pulseaudio = False
#get the display name:
if shadowing and not extra_args:
if WIN32 or OSX:
#just a virtual name for the only display available:
display_name = ":0"
else:
from xpra.scripts.main import guess_X11_display
dotxpra = DotXpra(opts.socket_dir, opts.socket_dirs)
display_name = guess_X11_display(dotxpra, desktop_display)
elif upgrading and not extra_args:
display_name = guess_xpra_display(opts.socket_dir, opts.socket_dirs)
else:
if len(extra_args) > 1:
error_cb(
"too many extra arguments (%i): only expected a display number"
% len(extra_args))
if len(extra_args) == 1:
display_name = extra_args[0]
if not shadowing and not proxying and not opts.use_display:
display_name_check(display_name)
else:
if proxying:
#find a free display number:
dotxpra = DotXpra(opts.socket_dir, opts.socket_dirs)
all_displays = dotxpra.sockets()
#ie: [("LIVE", ":100"), ("LIVE", ":200"), ...]
displays = [v[1] for v in all_displays]
display_name = None
for x in range(1000, 20000):
v = ":%s" % x
if v not in displays:
display_name = v
break
if not display_name:
error_cb(
"you must specify a free virtual display name to use with the proxy server"
)
elif opts.use_display:
#only use automatic guess for xpra displays and not X11 displays:
display_name = guess_xpra_display(opts.socket_dir,
opts.socket_dirs)
else:
# We will try to find one automaticaly
# Use the temporary magic value 'S' as marker:
display_name = 'S' + str(os.getpid())
if not shadowing and not proxying and not upgrading and opts.exit_with_children and not opts.start_child:
error_cb(
"--exit-with-children specified without any children to spawn; exiting immediately"
)
atexit.register(run_cleanups)
# Generate the script text now, because os.getcwd() will
# change if/when we daemonize:
from xpra.server.server_util import (
xpra_runner_shell_script,
write_runner_shell_scripts,
write_pidfile,
find_log_dir,
create_input_devices,
)
script = xpra_runner_shell_script(xpra_file, cwd, opts.socket_dir)
uid = int(opts.uid)
gid = int(opts.gid)
username = get_username_for_uid(uid)
home = get_home_for_uid(uid)
xauth_data = None
if start_vfb:
xauth_data = get_hex_uuid()
ROOT = POSIX and getuid() == 0
protected_fds = []
protected_env = {}
stdout = sys.stdout
stderr = sys.stderr
# Daemonize:
if POSIX and opts.daemon:
#daemonize will chdir to "/", so try to use an absolute path:
if opts.password_file:
opts.password_file = tuple(
os.path.abspath(x) for x in opts.password_file)
from xpra.server.server_util import daemonize
daemonize()
displayfd = 0
if POSIX and opts.displayfd:
try:
displayfd = int(opts.displayfd)
if displayfd > 0:
protected_fds.append(displayfd)
except ValueError as e:
stderr.write("Error: invalid displayfd '%s':\n" % opts.displayfd)
stderr.write(" %s\n" % e)
del e
# if pam is present, try to create a new session:
pam = None
PAM_OPEN = POSIX and envbool("XPRA_PAM_OPEN", ROOT and uid != 0)
if PAM_OPEN:
try:
from xpra.server.pam import pam_session #@UnresolvedImport
except ImportError as e:
stderr.write("Error: failed to import pam module\n")
stderr.write(" %s" % e)
del e
PAM_OPEN = False
if PAM_OPEN:
fdc = FDChangeCaptureContext()
with fdc:
pam = pam_session(username)
env = {
#"XDG_SEAT" : "seat1",
#"XDG_VTNR" : "0",
"XDG_SESSION_TYPE": "x11",
#"XDG_SESSION_CLASS" : "user",
"XDG_SESSION_DESKTOP": "xpra",
}
#maybe we should just bail out instead?
if pam.start():
pam.set_env(env)
items = {}
if display_name.startswith(":"):
items["XDISPLAY"] = display_name
if xauth_data:
items["XAUTHDATA"] = xauth_data
pam.set_items(items)
if pam.open():
#we can't close it, because we're not going to be root any more,
#but since we're the process leader for the session,
#terminating will also close the session
#add_cleanup(pam.close)
protected_env = pam.get_envlist()
os.environ.update(protected_env)
#closing the pam fd causes the session to be closed,
#and we don't want that!
protected_fds += fdc.get_new_fds()
#get XDG_RUNTIME_DIR from env options,
#which may not be have updated os.environ yet when running as root with "--uid="
xrd = os.path.abspath(parse_env(opts.env).get("XDG_RUNTIME_DIR", ""))
if ROOT and (uid > 0 or gid > 0):
#we're going to chown the directory if we create it,
#ensure this cannot be abused, only use "safe" paths:
if not any(x for x in ("/run/user/%i" % uid, "/tmp", "/var/tmp")
if xrd.startswith(x)):
xrd = ""
#these paths could cause problems if we were to create and chown them:
if xrd.startswith("/tmp/.X11-unix") or xrd.startswith(
"/tmp/.XIM-unix"):
xrd = ""
if not xrd:
xrd = os.environ.get("XDG_RUNTIME_DIR")
xrd = create_runtime_dir(xrd, uid, gid)
if xrd:
#this may override the value we get from pam
#with the value supplied by the user:
protected_env["XDG_RUNTIME_DIR"] = xrd
if opts.pidfile:
write_pidfile(opts.pidfile, uid, gid)
if POSIX and not ROOT:
# Write out a shell-script so that we can start our proxy in a clean
# environment:
write_runner_shell_scripts(script)
if start_vfb or opts.daemon:
#we will probably need a log dir
#either for the vfb, or for our own log file
log_dir = opts.log_dir or ""
if not log_dir or log_dir.lower() == "auto":
log_dir = find_log_dir(username, uid=uid, gid=gid)
if not log_dir:
raise InitException(
"cannot find or create a logging directory")
#expose the log-dir as "XPRA_LOG_DIR",
#this is used by Xdummy for the Xorg log file
if "XPRA_LOG_DIR" not in os.environ:
os.environ["XPRA_LOG_DIR"] = log_dir
if opts.daemon:
from xpra.server.server_util import select_log_file, open_log_file, redirect_std_to_log
log_filename0 = osexpand(
select_log_file(log_dir, opts.log_file, display_name),
username, uid, gid)
logfd = open_log_file(log_filename0)
if ROOT and (uid > 0 or gid > 0):
try:
os.fchown(logfd, uid, gid)
except:
pass
stdout, stderr = redirect_std_to_log(logfd, *protected_fds)
try:
stderr.write("Entering daemon mode; " +
"any further errors will be reported to:\n" +
(" %s\n" % log_filename0))
except IOError:
#we tried our best, logging another error won't help
pass
#warn early about this:
if (starting or starting_desktop
) and desktop_display and opts.notifications and not opts.dbus_launch:
print_DE_warnings()
log = get_util_logger()
sockets, mdns_recs, wrap_socket_fn = create_sockets(opts, error_cb)
sanitize_env()
if POSIX:
if xrd:
os.environ["XDG_RUNTIME_DIR"] = xrd
os.environ["XDG_SESSION_TYPE"] = "x11"
if not starting_desktop:
os.environ["XDG_CURRENT_DESKTOP"] = opts.wm_name
configure_imsettings_env(opts.input_method)
if display_name[0] != 'S':
os.environ["DISPLAY"] = display_name
os.environ["CKCON_X11_DISPLAY"] = display_name
else:
try:
del os.environ["DISPLAY"]
except KeyError:
pass
os.environ.update(protected_env)
log("env=%s", os.environ)
UINPUT_UUID_LEN = 12
UINPUT_UUID_MIN_LEN = 12
UINPUT_UUID_MAX_LEN = 32
# Start the Xvfb server first to get the display_name if needed
odisplay_name = display_name
xvfb = None
xvfb_pid = None
uinput_uuid = None
if start_vfb:
assert not proxying and xauth_data
pixel_depth = validate_pixel_depth(opts.pixel_depth, starting_desktop)
from xpra.x11.vfb_util import start_Xvfb, check_xvfb_process
from xpra.server.server_util import has_uinput
uinput_uuid = None
if has_uinput() and opts.input_devices.lower() in (
"uinput", "auto") and not shadowing:
from xpra.os_util import get_rand_chars
uinput_uuid = get_rand_chars(UINPUT_UUID_LEN)
xvfb, display_name, cleanups = start_Xvfb(opts.xvfb, pixel_depth,
display_name, cwd, uid, gid,
username, xauth_data,
uinput_uuid)
for f in cleanups:
add_cleanup(f)
xvfb_pid = xvfb.pid
#always update as we may now have the "real" display name:
os.environ["DISPLAY"] = display_name
os.environ["CKCON_X11_DISPLAY"] = display_name
os.environ.update(protected_env)
if display_name != odisplay_name and pam:
pam.set_items({"XDISPLAY": display_name})
def check_xvfb():
return check_xvfb_process(xvfb)
else:
if POSIX and clobber:
#if we're meant to be using a private XAUTHORITY file,
#make sure to point to it:
from xpra.x11.vfb_util import get_xauthority_path
xauthority = get_xauthority_path(display_name, username, uid, gid)
if os.path.exists(xauthority):
os.environ["XAUTHORITY"] = xauthority
def check_xvfb():
return True
if POSIX and not OSX and displayfd > 0:
from xpra.platform.displayfd import write_displayfd
try:
display = display_name[1:]
log("writing display='%s' to displayfd=%i", display, displayfd)
assert write_displayfd(displayfd, display), "timeout"
except Exception as e:
log.error("write_displayfd failed", exc_info=True)
log.error("Error: failed to write '%s' to fd=%s", display_name,
displayfd)
log.error(" %s", str(e) or type(e))
del e
try:
os.close(displayfd)
except IOError:
pass
kill_display = None
if not proxying:
add_cleanup(close_gtk_display)
if not proxying and not shadowing:
def kill_display():
if xvfb_pid:
kill_xvfb(xvfb_pid)
add_cleanup(kill_display)
if opts.daemon:
def noerr(fn, *args):
try:
fn(*args)
except:
pass
log_filename1 = osexpand(
select_log_file(log_dir, opts.log_file, display_name), username,
uid, gid)
if log_filename0 != log_filename1:
# we now have the correct log filename, so use it:
os.rename(log_filename0, log_filename1)
if odisplay_name != display_name:
#this may be used by scripts, let's try not to change it:
noerr(stderr.write, "Actual display used: %s\n" % display_name)
noerr(stderr.write,
"Actual log file name is now: %s\n" % log_filename1)
noerr(stderr.flush)
noerr(stdout.close)
noerr(stderr.close)
#we should not be using stdout or stderr from this point:
del stdout
del stderr
if not check_xvfb():
#xvfb problem: exit now
return 1
#create devices for vfb if needed:
devices = {}
if not start_vfb and not proxying and not shadowing:
#try to find the existing uinput uuid:
#use a subprocess to avoid polluting our current process
#with X11 connections before we get a chance to change uid
prop = "_XPRA_UINPUT_ID"
cmd = ["xprop", "-display", display_name, "-root", prop]
log("looking for '%s' on display '%s' with XAUTHORITY='%s'", prop,
display_name, os.environ.get("XAUTHORITY"))
try:
code, out, err = get_status_output(cmd)
except Exception as e:
log("failed to get existing uinput id: %s", e)
del e
else:
log("Popen(%s)=%s", cmd, (code, out, err))
if code == 0 and out.find("=") > 0:
uinput_uuid = out.split("=", 1)[1]
log("raw uinput uuid=%s", uinput_uuid)
uinput_uuid = strtobytes(uinput_uuid.strip('\n\r"\\ '))
if uinput_uuid:
if len(uinput_uuid) > UINPUT_UUID_MAX_LEN or len(
uinput_uuid) < UINPUT_UUID_MIN_LEN:
log.warn("Warning: ignoring invalid uinput id:")
log.warn(" '%s'", uinput_uuid)
uinput_uuid = None
else:
log.info("retrieved existing uinput id: %s",
bytestostr(uinput_uuid))
if uinput_uuid:
devices = create_input_devices(uinput_uuid, uid)
if ROOT and (uid != 0 or gid != 0):
log("root: switching to uid=%i, gid=%i", uid, gid)
setuidgid(uid, gid)
os.environ.update({
"HOME": home,
"USER": username,
"LOGNAME": username,
})
shell = get_shell_for_uid(uid)
if shell:
os.environ["SHELL"] = shell
#now we've changed uid, it is safe to honour all the env updates:
configure_env(opts.env)
os.environ.update(protected_env)
if opts.chdir:
os.chdir(opts.chdir)
display = None
if not proxying:
no_gtk()
if POSIX and not OSX and (starting or starting_desktop or shadowing):
#check that we can access the X11 display:
from xpra.x11.vfb_util import verify_display_ready
if not verify_display_ready(xvfb, display_name, shadowing):
return 1
if not PYTHON3:
from xpra.x11.gtk2.gdk_display_util import verify_gdk_display #@UnusedImport
else:
from xpra.x11.gtk3.gdk_display_util import verify_gdk_display #@Reimport
display = verify_gdk_display(display_name)
if not display:
return 1
#on win32, this ensures that we get the correct screen size to shadow:
from xpra.platform.gui import init as gui_init
gui_init()
#setup unix domain socket:
from xpra.server.socket_util import get_network_logger, setup_local_sockets
netlog = get_network_logger()
if not opts.socket_dir and not opts.socket_dirs:
#we always need at least one valid socket dir
from xpra.platform.paths import get_socket_dirs
opts.socket_dirs = get_socket_dirs()
local_sockets = setup_local_sockets(opts.bind, opts.socket_dir,
opts.socket_dirs, display_name,
clobber, opts.mmap_group,
opts.socket_permissions, username, uid,
gid)
netlog("setting up local sockets: %s", local_sockets)
ssh_port = get_ssh_port()
ssh_access = ssh_port > 0 and opts.ssh.lower().strip() not in FALSE_OPTIONS
for rec, cleanup_socket in local_sockets:
socktype, socket, sockpath = rec
#ie: ("unix-domain", sock, sockpath), cleanup_socket
sockets.append(rec)
netlog("%s %s : %s", socktype, sockpath, socket)
add_cleanup(cleanup_socket)
if opts.mdns and ssh_access:
netlog("ssh %s:%s : %s", "", ssh_port, socket)
add_mdns(mdns_recs, "ssh", "", ssh_port)
def b(v):
return str(v).lower() not in FALSE_OPTIONS
#turn off some server mixins:
from xpra.server import server_features
impwarned = []
def impcheck(*modules):
for mod in modules:
try:
__import__("xpra.%s" % mod, {}, {}, [])
except ImportError:
if mod not in impwarned:
impwarned.append(mod)
log = get_util_logger()
log.warn("Warning: missing %s module", mod)
return False
return True
server_features.notifications = opts.notifications and impcheck(
"notifications")
server_features.webcam = b(opts.webcam) and impcheck("codecs")
server_features.clipboard = b(opts.clipboard) and impcheck("clipboard")
server_features.audio = (b(opts.speaker)
or b(opts.microphone)) and impcheck("sound")
server_features.av_sync = server_features.audio and b(opts.av_sync)
server_features.fileprint = b(opts.printing) or b(opts.file_transfer)
server_features.mmap = b(opts.mmap)
server_features.input_devices = not opts.readonly and impcheck("keyboard")
server_features.commands = impcheck("server.control_command")
server_features.dbus = opts.dbus_proxy and impcheck("dbus")
server_features.encoding = impcheck("codecs")
server_features.logging = b(opts.remote_logging)
#server_features.network_state = ??
server_features.display = opts.windows
server_features.windows = opts.windows and impcheck("codecs")
server_features.rfb = b(opts.rfb_upgrade) and impcheck("server.rfb")
kill_dbus = None
if shadowing:
app = make_shadow_server()
elif proxying:
app = make_proxy_server()
else:
if not check_xvfb():
return 1
assert starting or starting_desktop or upgrading
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source, close_gdk_display_source
init_gdk_display_source()
insert_cleanup(close_gdk_display_source)
#(now we can access the X11 server)
#make sure the pid we save is the real one:
if not check_xvfb():
return 1
if xvfb_pid is not None:
#save the new pid (we should have one):
save_xvfb_pid(xvfb_pid)
if POSIX:
save_uinput_id(uinput_uuid)
dbus_pid = -1
dbus_env = {}
if clobber:
#get the saved pids and env
dbus_pid = get_dbus_pid()
dbus_env = get_dbus_env()
log("retrieved existing dbus attributes")
else:
assert starting or starting_desktop
if xvfb_pid is not None:
#save the new pid (we should have one):
save_xvfb_pid(xvfb_pid)
bus_address = protected_env.get("DBUS_SESSION_BUS_ADDRESS")
log("dbus_launch=%s, current DBUS_SESSION_BUS_ADDRESS=%s",
opts.dbus_launch, bus_address)
if opts.dbus_launch and not bus_address:
#start a dbus server:
def kill_dbus():
log("kill_dbus: dbus_pid=%s" % dbus_pid)
if dbus_pid <= 0:
return
try:
os.kill(dbus_pid, signal.SIGINT)
except Exception as e:
log.warn(
"Warning: error trying to stop dbus with pid %i:",
dbus_pid)
log.warn(" %s", e)
add_cleanup(kill_dbus)
#this also updates os.environ with the dbus attributes:
dbus_pid, dbus_env = start_dbus(opts.dbus_launch)
if dbus_pid > 0:
save_dbus_pid(dbus_pid)
if dbus_env:
save_dbus_env(dbus_env)
log("dbus attributes: pid=%s, env=%s", dbus_pid, dbus_env)
if dbus_env:
os.environ.update(dbus_env)
os.environ.update(protected_env)
if POSIX:
#all unix domain sockets:
ud_paths = [
sockpath for (stype, _, sockpath), _ in local_sockets
if stype == "unix-domain"
]
if ud_paths:
#choose one so our xdg-open override script can use to talk back to us:
if opts.forward_xdg_open:
for x in ("/usr/libexec/xpra", "/usr/lib/xpra"):
xdg_override = os.path.join(x, "xdg-open")
if os.path.exists(xdg_override):
os.environ[
"PATH"] = x + os.pathsep + os.environ.get(
"PATH", "")
os.environ[
"XPRA_XDG_OPEN_SERVER_SOCKET"] = ud_paths[0]
break
else:
log.warn("Warning: no local server sockets,")
if opts.forward_xdg_open:
log.warn(" forward-xdg-open cannot be enabled")
log.warn(" ssh connections will not be available")
log("env=%s", os.environ)
try:
# This import is delayed because the module depends on gtk:
from xpra.x11.bindings.window_bindings import X11WindowBindings
X11Window = X11WindowBindings()
if (starting or
starting_desktop) and not clobber and opts.resize_display:
from xpra.x11.vfb_util import set_initial_resolution
set_initial_resolution(starting_desktop)
except ImportError as e:
log.error(
"Failed to load Xpra server components, check your installation: %s"
% e)
return 1
if starting or upgrading:
if not X11Window.displayHasXComposite():
log.error(
"Xpra 'start' subcommand runs as a compositing manager")
log.error(
" it cannot use a display which lacks the XComposite extension!"
)
return 1
if starting:
#check for an existing window manager:
from xpra.x11.gtk_x11.wm_check import wm_check
if not wm_check(display, opts.wm_name, upgrading):
return 1
log("XShape=%s", X11Window.displayHasXShape())
app = make_server(clobber)
else:
assert starting_desktop
app = make_desktop_server()
app.init_virtual_devices(devices)
if proxying or upgrading:
#when proxying or upgrading, don't exec any plain start commands:
opts.start = opts.start_child = []
elif opts.exit_with_children:
assert opts.start_child, "exit-with-children was specified but start-child is missing!"
elif opts.start_child:
log.warn("Warning: the 'start-child' option is used,")
log.warn(" but 'exit-with-children' is not enabled,")
log.warn(" use 'start' instead")
try:
app._ssl_wrap_socket = wrap_socket_fn
app.original_desktop_display = desktop_display
app.exec_cwd = opts.chdir or cwd
app.init(opts)
app.setup()
except InitException as e:
log.error("xpra server initialization error:")
log.error(" %s", e)
return 1
except Exception as e:
log.error("Error: cannot start the %s server",
app.session_type,
exc_info=True)
log.error(str(e))
log.info("")
return 1
#publish mdns records:
if opts.mdns:
from xpra.platform.info import get_username
from xpra.server.socket_util import mdns_publish
mdns_info = {
"display": display_name,
"username": get_username(),
"uuid": app.uuid,
"platform": sys.platform,
"type": app.session_type,
}
MDNS_EXPOSE_NAME = envbool("XPRA_MDNS_EXPOSE_NAME", True)
if MDNS_EXPOSE_NAME and app.session_name:
mdns_info["name"] = app.session_name
for mode, listen_on in mdns_recs.items():
mdns_publish(display_name, mode, listen_on, mdns_info)
del opts
log("%s(%s)", app.init_sockets, sockets)
app.init_sockets(sockets)
log("%s(%s)", app.init_when_ready, _when_ready)
app.init_when_ready(_when_ready)
try:
#from here on, we own the vfb, even if we inherited one:
if (starting or starting_desktop or upgrading) and clobber:
#and it will be killed if exit cleanly:
xvfb_pid = get_xvfb_pid()
log("running %s", app.run)
r = app.run()
log("%s()=%s", app.run, r)
except KeyboardInterrupt:
log.info("stopping on KeyboardInterrupt")
return 0
except Exception:
log.error("server error", exc_info=True)
return -128
else:
if r > 0:
# Upgrading/exiting, so leave X and dbus servers running
if kill_display:
_cleanups.remove(kill_display)
if kill_dbus:
_cleanups.remove(kill_dbus)
from xpra.server import EXITING_CODE
if r == EXITING_CODE:
log.info("exiting: not cleaning up Xvfb")
else:
log.info("upgrading: not cleaning up Xvfb")
r = 0
return r
# This file is part of Xpra.
# Copyright (C) 2011-2018 Antoine Martin <*****@*****.**>
# Xpra is released under the terms of the GNU GPL v2, or, at your option, any
# later version. See the file COPYING for details.
import os
import re
#ensure that we use gtk as display source:
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source
init_gdk_display_source()
from xpra.util import std, csv
from xpra.os_util import bytestostr
from xpra.gtk_common.error import xsync
from xpra.x11.bindings.keyboard_bindings import X11KeyboardBindings #@UnresolvedImport
X11Keyboard = X11KeyboardBindings()
from xpra.log import Logger
log = Logger("x11", "keyboard")
DEBUG_KEYSYMS = [
x for x in os.environ.get("XPRA_DEBUG_KEYSYMS", "").split(",")
if len(x) > 0
]
#keys we choose not to map if the free space in the keymap is too limited
#this list was generated using:
#$ DISPLAY=:1 xmodmap -pke | awk -F= '{print $2}' | xargs -n 1 echo | sort -u | grep XF | xargs
OPTIONAL_KEYS = [
"XF86AudioForward", "XF86AudioLowerVolume", "XF86AudioMedia",
def do_main(argv):
from xpra.os_util import SIGNAMES
from xpra.scripts.main import InitExit, InitInfo
from xpra.platform.gui import init as gui_init, ready as gui_ready
if POSIX and not OSX:
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source
init_gdk_display_source()
gui_init()
try:
from xpra.scripts.parsing import parse_cmdline, fixup_debug_option
options, args = parse_cmdline(argv)
debug = fixup_debug_option(options.debug)
if debug:
for x in debug.split(","):
enable_debug_for(x)
except InitInfo as e:
print(str(e))
return 0
except InitExit as e:
return e.status
except Exception:
exception_dialog("Error parsing command line")
return 1
#allow config to be debugged:
from xpra.scripts import config
config.debug = log.debug
try:
app = ApplicationWindow()
def handle_signal(signum):
app.show()
client = app.client
if client:
client.cleanup()
else:
Gtk.main_quit()
GLib.timeout_add(1000, app.set_info_text,
"got signal %s" % SIGNAMES.get(signum, signum))
GLib.timeout_add(1000, app.set_info_color, True)
register_os_signals(handle_signal, "Client Launcher")
has_file = len(args) == 1
if has_file:
app.update_options_from_file(args[0])
#the compressors and packet encoders cannot be changed from the UI
#so apply them now:
configure_network(app.config)
debug = fixup_debug_option(app.config.debug)
if debug:
for x in debug.split(","):
enable_debug_for(x)
app.create_window_with_config()
except Exception:
exception_dialog("Error creating launcher form")
return 1
try:
if app.config.autoconnect:
#file says we should connect,
#do that only (not showing UI unless something goes wrong):
GLib.idle_add(app.do_connect)
if not has_file:
app.reset_errors()
if not app.config.autoconnect or app.config.debug:
if OSX:
from xpra.platform.darwin.gui import wait_for_open_handlers, force_focus
if has_file:
force_focus()
app.show()
else:
def open_file(filename):
log("open_file(%s)", filename)
app.update_options_from_file(filename)
#the compressors and packet encoders cannot be changed from the UI
#so apply them now:
configure_network(app.config)
app.update_gui_from_config()
if app.config.autoconnect:
app.__osx_open_signal = True
GLib.idle_add(app.do_connect)
else:
force_focus()
app.show()
def open_URL(url):
log("open_URL(%s)", url)
app.__osx_open_signal = True
app.update_options_from_URL(url)
#the compressors and packet encoders cannot be changed from the UI
#so apply them now:
configure_network(app.config)
app.update_gui_from_config()
GLib.idle_add(app.do_connect)
wait_for_open_handlers(app.show, open_file, open_URL)
else:
app.show()
gui_ready()
app.run()
except KeyboardInterrupt:
pass
return 0
def do_run_server(error_cb,
opts,
mode,
xpra_file,
extra_args,
desktop_display=None,
progress_cb=None):
assert mode in (
"start",
"start-desktop",
"upgrade",
"upgrade-desktop",
"shadow",
"proxy",
)
def _progress(i, msg):
if progress_cb:
progress_cb(i, msg)
progress = _progress
progress(10, "initializing environment")
try:
cwd = os.getcwd()
except OSError:
cwd = os.path.expanduser("~")
warn("current working directory does not exist, using '%s'\n" % cwd)
validate_encryption(opts)
if opts.encoding == "help" or "help" in opts.encodings:
return show_encoding_help(opts)
#remove anything pointing to dbus from the current env
#(so we only detect a dbus instance started by pam,
# and override everything else)
for k in tuple(os.environ.keys()):
if k.startswith("DBUS_"):
del os.environ[k]
use_display = parse_bool("use-display", opts.use_display)
starting = mode == "start"
starting_desktop = mode == "start-desktop"
upgrading = mode == "upgrade"
upgrading_desktop = mode == "upgrade-desktop"
shadowing = mode == "shadow"
proxying = mode == "proxy"
if not proxying and POSIX and not OSX:
#we don't support wayland servers,
#so make sure GDK will use the X11 backend:
from xpra.os_util import saved_env
saved_env["GDK_BACKEND"] = "x11"
os.environ["GDK_BACKEND"] = "x11"
has_child_arg = (opts.start_child or opts.start_child_on_connect
or opts.start_child_after_connect
or opts.start_child_on_last_client_exit)
if proxying or upgrading or upgrading_desktop:
#when proxying or upgrading, don't exec any plain start commands:
opts.start = opts.start_child = []
elif opts.exit_with_children:
assert has_child_arg, "exit-with-children was specified but start-child* is missing!"
elif opts.start_child:
warn("Warning: the 'start-child' option is used,")
warn(" but 'exit-with-children' is not enabled,")
warn(" use 'start' instead")
if opts.bind_rfb and (proxying or starting):
get_util_logger().warn(
"Warning: bind-rfb sockets cannot be used with '%s' mode" % mode)
opts.bind_rfb = []
if not shadowing and not starting_desktop:
opts.rfb_upgrade = 0
if upgrading or upgrading_desktop or shadowing:
#there should already be one running
#so change None ('auto') to False
if opts.pulseaudio is None:
opts.pulseaudio = False
#get the display name:
if shadowing and not extra_args:
if WIN32 or OSX:
#just a virtual name for the only display available:
display_name = "Main"
else:
from xpra.scripts.main import guess_X11_display
dotxpra = DotXpra(opts.socket_dir, opts.socket_dirs)
display_name = guess_X11_display(dotxpra, desktop_display)
elif (upgrading or upgrading_desktop) and not extra_args:
display_name = guess_xpra_display(opts.socket_dir, opts.socket_dirs)
else:
if len(extra_args) > 1:
error_cb(
"too many extra arguments (%i): only expected a display number"
% len(extra_args))
if len(extra_args) == 1:
display_name = extra_args[0]
if not shadowing and not upgrading and not use_display:
display_name_check(display_name)
else:
if proxying:
#find a free display number:
dotxpra = DotXpra(opts.socket_dir, opts.socket_dirs)
all_displays = dotxpra.sockets()
#ie: [("LIVE", ":100"), ("LIVE", ":200"), ...]
displays = [v[1] for v in all_displays]
display_name = None
for x in range(1000, 20000):
v = ":%s" % x
if v not in displays:
display_name = v
break
if not display_name:
error_cb(
"you must specify a free virtual display name to use with the proxy server"
)
elif use_display:
#only use automatic guess for xpra displays and not X11 displays:
display_name = guess_xpra_display(opts.socket_dir,
opts.socket_dirs)
else:
# We will try to find one automaticaly
# Use the temporary magic value 'S' as marker:
display_name = 'S' + str(os.getpid())
if not (shadowing or proxying or upgrading or upgrading_desktop) and \
opts.exit_with_children and not has_child_arg:
error_cb(
"--exit-with-children specified without any children to spawn; exiting immediately"
)
atexit.register(run_cleanups)
# Generate the script text now, because os.getcwd() will
# change if/when we daemonize:
from xpra.server.server_util import (
xpra_runner_shell_script,
write_runner_shell_scripts,
find_log_dir,
create_input_devices,
source_env,
)
script = None
if POSIX and getuid() != 0:
script = xpra_runner_shell_script(xpra_file, cwd, opts.socket_dir)
uid = int(opts.uid)
gid = int(opts.gid)
username = get_username_for_uid(uid)
home = get_home_for_uid(uid)
ROOT = POSIX and getuid() == 0
protected_fds = []
protected_env = {}
stdout = sys.stdout
stderr = sys.stderr
# Daemonize:
if POSIX and opts.daemon:
#daemonize will chdir to "/", so try to use an absolute path:
if opts.password_file:
opts.password_file = tuple(
os.path.abspath(x) for x in opts.password_file)
from xpra.server.server_util import daemonize
daemonize()
displayfd = 0
if POSIX and opts.displayfd:
try:
displayfd = int(opts.displayfd)
if displayfd > 0:
protected_fds.append(displayfd)
except ValueError as e:
stderr.write("Error: invalid displayfd '%s':\n" % opts.displayfd)
stderr.write(" %s\n" % e)
del e
clobber = int(upgrading or upgrading_desktop) * CLOBBER_UPGRADE | int(
use_display or 0) * CLOBBER_USE_DISPLAY
start_vfb = not (shadowing or proxying or clobber)
xauth_data = None
if start_vfb:
xauth_data = get_hex_uuid()
# if pam is present, try to create a new session:
pam = None
PAM_OPEN = POSIX and envbool("XPRA_PAM_OPEN", ROOT and uid != 0)
if PAM_OPEN:
try:
from xpra.server.pam import pam_session #@UnresolvedImport
except ImportError as e:
stderr.write("Error: failed to import pam module\n")
stderr.write(" %s" % e)
del e
PAM_OPEN = False
if PAM_OPEN:
fdc = FDChangeCaptureContext()
with fdc:
pam = pam_session(username)
env = {
#"XDG_SEAT" : "seat1",
#"XDG_VTNR" : "0",
"XDG_SESSION_TYPE": "x11",
#"XDG_SESSION_CLASS" : "user",
"XDG_SESSION_DESKTOP": "xpra",
}
#maybe we should just bail out instead?
if pam.start():
pam.set_env(env)
items = {}
if display_name.startswith(":"):
items["XDISPLAY"] = display_name
if xauth_data:
items["XAUTHDATA"] = xauth_data
pam.set_items(items)
if pam.open():
#we can't close it, because we're not going to be root any more,
#but since we're the process leader for the session,
#terminating will also close the session
#add_cleanup(pam.close)
protected_env = pam.get_envlist()
os.environ.update(protected_env)
#closing the pam fd causes the session to be closed,
#and we don't want that!
protected_fds += fdc.get_new_fds()
#get XDG_RUNTIME_DIR from env options,
#which may not be have updated os.environ yet when running as root with "--uid="
xrd = os.path.abspath(parse_env(opts.env).get("XDG_RUNTIME_DIR", ""))
if ROOT and (uid > 0 or gid > 0):
#we're going to chown the directory if we create it,
#ensure this cannot be abused, only use "safe" paths:
if not any(x for x in ("/run/user/%i" % uid, "/tmp", "/var/tmp")
if xrd.startswith(x)):
xrd = ""
#these paths could cause problems if we were to create and chown them:
if xrd.startswith("/tmp/.X11-unix") or xrd.startswith(
"/tmp/.XIM-unix"):
xrd = ""
if not xrd:
xrd = os.environ.get("XDG_RUNTIME_DIR")
xrd = create_runtime_dir(xrd, uid, gid)
if xrd:
#this may override the value we get from pam
#with the value supplied by the user:
protected_env["XDG_RUNTIME_DIR"] = xrd
if script:
# Write out a shell-script so that we can start our proxy in a clean
# environment:
write_runner_shell_scripts(script)
import datetime
extra_expand = {
"TIMESTAMP": datetime.datetime.now().strftime("%Y%m%d-%H%M%S")
}
log_to_file = opts.daemon or os.environ.get("XPRA_LOG_TO_FILE", "") == "1"
if start_vfb or log_to_file:
#we will probably need a log dir
#either for the vfb, or for our own log file
log_dir = opts.log_dir or ""
if not log_dir or log_dir.lower() == "auto":
log_dir = find_log_dir(username, uid=uid, gid=gid)
if not log_dir:
raise InitException(
"cannot find or create a logging directory")
#expose the log-dir as "XPRA_LOG_DIR",
#this is used by Xdummy for the Xorg log file
if "XPRA_LOG_DIR" not in os.environ:
os.environ["XPRA_LOG_DIR"] = log_dir
if log_to_file:
from xpra.server.server_util import select_log_file, open_log_file, redirect_std_to_log
log_filename0 = osexpand(
select_log_file(log_dir, opts.log_file, display_name), username,
uid, gid, extra_expand)
if os.path.exists(log_filename0) and not display_name.startswith("S"):
#don't overwrite the log file just yet,
#as we may still fail to start
log_filename0 += ".new"
logfd = open_log_file(log_filename0)
if POSIX and ROOT and (uid > 0 or gid > 0):
try:
os.fchown(logfd, uid, gid)
except OSError as e:
noerr(stderr.write,
"failed to chown the log file '%s'\n" % log_filename0)
noerr(stderr.flush)
stdout, stderr = redirect_std_to_log(logfd, *protected_fds)
noerr(
stderr.write, "Entering daemon mode; " +
"any further errors will be reported to:\n" +
(" %s\n" % log_filename0))
noerr(stderr.flush)
os.environ["XPRA_SERVER_LOG"] = log_filename0
else:
#server log does not exist:
os.environ.pop("XPRA_SERVER_LOG", None)
#warn early about this:
if (starting or starting_desktop
) and desktop_display and opts.notifications and not opts.dbus_launch:
print_DE_warnings()
if start_vfb and opts.xvfb.find("Xephyr") >= 0 and opts.sync_xvfb <= 0:
warn("Warning: using Xephyr as vfb")
warn(" you should also enable the sync-xvfb option")
warn(" to keep the Xephyr window updated")
progress(10, "creating sockets")
from xpra.net.socket_util import get_network_logger, setup_local_sockets, create_sockets
sockets = create_sockets(opts, error_cb)
sanitize_env()
os.environ.update(source_env(opts.source))
if POSIX:
if xrd:
os.environ["XDG_RUNTIME_DIR"] = xrd
if not OSX:
os.environ["XDG_SESSION_TYPE"] = "x11"
if not starting_desktop:
os.environ["XDG_CURRENT_DESKTOP"] = opts.wm_name
configure_imsettings_env(opts.input_method)
if display_name[0] != 'S':
os.environ["DISPLAY"] = display_name
if POSIX:
os.environ["CKCON_X11_DISPLAY"] = display_name
elif not start_vfb or opts.xvfb.find("Xephyr") < 0:
os.environ.pop("DISPLAY", None)
os.environ.update(protected_env)
from xpra.log import Logger
log = Logger("server")
log("env=%s", os.environ)
UINPUT_UUID_LEN = 12
UINPUT_UUID_MIN_LEN = 12
UINPUT_UUID_MAX_LEN = 32
# Start the Xvfb server first to get the display_name if needed
odisplay_name = display_name
xvfb = None
xvfb_pid = None
uinput_uuid = None
if start_vfb and use_display is None:
#use-display='auto' so we have to figure out
#if we have to start the vfb or not:
if not display_name:
use_display = False
else:
progress(20, "connecting to the display")
start_vfb = verify_display(
None, display_name, log_errors=False, timeout=1) != 0
if start_vfb:
progress(20, "starting a virtual display")
assert not proxying and xauth_data
pixel_depth = validate_pixel_depth(opts.pixel_depth, starting_desktop)
from xpra.x11.vfb_util import start_Xvfb, check_xvfb_process, parse_resolution
from xpra.server.server_util import has_uinput
uinput_uuid = None
if has_uinput() and opts.input_devices.lower() in (
"uinput", "auto") and not shadowing:
from xpra.os_util import get_rand_chars
uinput_uuid = get_rand_chars(UINPUT_UUID_LEN)
vfb_geom = ""
try:
vfb_geom = parse_resolution(opts.resize_display)
except Exception:
pass
xvfb, display_name, cleanups = start_Xvfb(opts.xvfb, vfb_geom,
pixel_depth, display_name,
cwd, uid, gid, username,
xauth_data, uinput_uuid)
for f in cleanups:
add_cleanup(f)
xvfb_pid = xvfb.pid
#always update as we may now have the "real" display name:
os.environ["DISPLAY"] = display_name
os.environ["CKCON_X11_DISPLAY"] = display_name
os.environ.update(protected_env)
if display_name != odisplay_name and pam:
pam.set_items({"XDISPLAY": display_name})
def check_xvfb(timeout=0):
return check_xvfb_process(xvfb, timeout=timeout, command=opts.xvfb)
else:
if POSIX and clobber:
#if we're meant to be using a private XAUTHORITY file,
#make sure to point to it:
from xpra.x11.vfb_util import get_xauthority_path
xauthority = get_xauthority_path(display_name, username, uid, gid)
if os.path.exists(xauthority):
log("found XAUTHORITY=%s", xauthority)
os.environ["XAUTHORITY"] = xauthority
def check_xvfb(timeout=0): #pylint: disable=unused-argument
return True
if POSIX and not OSX and displayfd > 0:
from xpra.platform.displayfd import write_displayfd
try:
display_no = display_name[1:]
#ensure it is a string containing the number:
display_no = str(int(display_no))
log("writing display_no='%s' to displayfd=%i", display_no,
displayfd)
assert write_displayfd(displayfd, display_no), "timeout"
except Exception as e:
log.error("write_displayfd failed", exc_info=True)
log.error("Error: failed to write '%s' to fd=%s", display_name,
displayfd)
log.error(" %s", str(e) or type(e))
del e
if not check_xvfb(1):
noerr(stderr.write, "vfb failed to start, exiting\n")
return EXIT_VFB_ERROR
if WIN32 and os.environ.get("XPRA_LOG_FILENAME"):
os.environ["XPRA_SERVER_LOG"] = os.environ["XPRA_LOG_FILENAME"]
if opts.daemon:
log_filename1 = osexpand(
select_log_file(log_dir, opts.log_file, display_name), username,
uid, gid, extra_expand)
if log_filename0 != log_filename1:
# we now have the correct log filename, so use it:
try:
os.rename(log_filename0, log_filename1)
except (OSError, IOError):
pass
else:
os.environ["XPRA_SERVER_LOG"] = log_filename1
if odisplay_name != display_name:
#this may be used by scripts, let's try not to change it:
noerr(stderr.write, "Actual display used: %s\n" % display_name)
noerr(stderr.write,
"Actual log file name is now: %s\n" % log_filename1)
noerr(stderr.flush)
noerr(stdout.close)
noerr(stderr.close)
#we should not be using stdout or stderr from this point:
del stdout
del stderr
if not check_xvfb():
noerr(stderr.write, "vfb failed to start, exiting\n")
return EXIT_VFB_ERROR
#create devices for vfb if needed:
devices = {}
if not start_vfb and not proxying and not shadowing and envbool(
"XPRA_UINPUT", True):
#try to find the existing uinput uuid:
#use a subprocess to avoid polluting our current process
#with X11 connections before we get a chance to change uid
prop = "_XPRA_UINPUT_ID"
cmd = ["xprop", "-display", display_name, "-root", prop]
log("looking for '%s' on display '%s' with XAUTHORITY='%s'", prop,
display_name, os.environ.get("XAUTHORITY"))
try:
code, out, err = get_status_output(cmd)
except Exception as e:
log("failed to get existing uinput id: %s", e)
del e
else:
log("Popen(%s)=%s", cmd, (code, out, err))
if code == 0 and out.find("=") > 0:
uinput_uuid = out.split("=", 1)[1]
log("raw uinput uuid=%s", uinput_uuid)
uinput_uuid = strtobytes(uinput_uuid.strip('\n\r"\\ '))
if uinput_uuid:
if len(uinput_uuid) > UINPUT_UUID_MAX_LEN or len(
uinput_uuid) < UINPUT_UUID_MIN_LEN:
log.warn("Warning: ignoring invalid uinput id:")
log.warn(" '%s'", uinput_uuid)
uinput_uuid = None
else:
log.info("retrieved existing uinput id: %s",
bytestostr(uinput_uuid))
if uinput_uuid:
devices = create_input_devices(uinput_uuid, uid)
if ROOT and (uid != 0 or gid != 0):
log("root: switching to uid=%i, gid=%i", uid, gid)
setuidgid(uid, gid)
os.environ.update({
"HOME": home,
"USER": username,
"LOGNAME": username,
})
shell = get_shell_for_uid(uid)
if shell:
os.environ["SHELL"] = shell
#now we've changed uid, it is safe to honour all the env updates:
configure_env(opts.env)
os.environ.update(protected_env)
if opts.chdir:
log("chdir(%s)", opts.chdir)
os.chdir(opts.chdir)
dbus_pid, dbus_env = 0, {}
if not shadowing and POSIX and not OSX and not clobber:
no_gtk()
assert starting or starting_desktop or proxying
try:
from xpra.server.dbus.dbus_start import start_dbus
except ImportError as e:
log("dbus components are not installed: %s", e)
else:
dbus_pid, dbus_env = start_dbus(opts.dbus_launch)
if dbus_env:
os.environ.update(dbus_env)
if not proxying:
if POSIX and not OSX:
no_gtk()
if starting or starting_desktop or shadowing:
r = verify_display(xvfb, display_name, shadowing)
if r:
return r
#on win32, this ensures that we get the correct screen size to shadow:
from xpra.platform.gui import init as gui_init
log("gui_init()")
gui_init()
progress(50, "creating local sockets")
#setup unix domain socket:
netlog = get_network_logger()
local_sockets = setup_local_sockets(opts.bind, opts.socket_dir,
opts.socket_dirs, display_name,
clobber, opts.mmap_group,
opts.socket_permissions, username, uid,
gid)
netlog("setting up local sockets: %s", local_sockets)
sockets.update(local_sockets)
if POSIX and (starting or upgrading or starting_desktop
or upgrading_desktop):
#all unix domain sockets:
ud_paths = [
sockpath for stype, _, sockpath, _ in local_sockets
if stype == "unix-domain"
]
if ud_paths:
#choose one so our xdg-open override script can use to talk back to us:
if opts.forward_xdg_open:
for x in ("/usr/libexec/xpra", "/usr/lib/xpra"):
xdg_override = os.path.join(x, "xdg-open")
if os.path.exists(xdg_override):
os.environ["PATH"] = x + os.pathsep + os.environ.get(
"PATH", "")
os.environ["XPRA_SERVER_SOCKET"] = ud_paths[0]
break
else:
log.warn("Warning: no local server sockets,")
if opts.forward_xdg_open:
log.warn(" forward-xdg-open cannot be enabled")
log.warn(" non-embedded ssh connections will not be available")
set_server_features(opts)
if not proxying and POSIX and not OSX:
if not check_xvfb():
return 1
from xpra.x11.gtk_x11.gdk_display_source import init_gdk_display_source
if os.environ.get("NO_AT_BRIDGE") is None:
os.environ["NO_AT_BRIDGE"] = "1"
init_gdk_display_source()
#(now we can access the X11 server)
if uinput_uuid:
save_uinput_id(uinput_uuid)
progress(60, "initializing server")
if shadowing:
app = make_shadow_server()
elif proxying:
app = make_proxy_server()
else:
if starting or upgrading:
app = make_server(clobber)
else:
assert starting_desktop or upgrading_desktop
app = make_desktop_server(clobber)
app.init_virtual_devices(devices)
try:
app.exec_cwd = opts.chdir or cwd
app.display_name = display_name
app.init(opts)
progress(70, "initializing sockets")
app.init_sockets(sockets)
app.init_dbus(dbus_pid, dbus_env)
if not shadowing and not proxying:
app.init_display_pid(xvfb_pid)
app.original_desktop_display = desktop_display
del opts
if not app.server_ready():
return 1
progress(80, "finalizing")
app.server_init()
app.setup()
app.init_when_ready(_when_ready)
except InitException as e:
log.error("xpra server initialization error:")
log.error(" %s", e)
app.cleanup()
return 1
except Exception as e:
log.error("Error: cannot start the %s server",
app.session_type,
exc_info=True)
log.error(str(e))
log.info("")
if upgrading or upgrading_desktop:
#something abnormal occurred,
#don't kill the vfb on exit:
from xpra.server import EXITING_CODE
app._upgrading = EXITING_CODE
app.cleanup()
return 1
try:
progress(100, "running")
log("running %s", app.run)
r = app.run()
log("%s()=%s", app.run, r)
except KeyboardInterrupt:
log.info("stopping on KeyboardInterrupt")
app.cleanup()
return EXIT_OK
except Exception:
log.error("server error", exc_info=True)
app.cleanup()
return -128
else:
if r > 0:
r = 0
return r
