def test_all(self): set_default_name("platform info test", "platform-info-test") init() t = start_thread(threaded_server_init, "server-init") t.join() with program_context() as p: assert repr(p) assert get_application_name()=="platform-info-test" assert get_prgname()=="platform info test" if WIN32: # pragma: no cover #we can check for command_error and command_info #on win32 because those trigger dialogs return calls = [] def ccall(*args): calls.append(args) xpra_main.error = ccall xpra_main.info = ccall command_error("error") command_info("info") assert len(calls)==2, "expected 2 messages but got: %s" % (calls,) assert get_username() set_prgname(None) clean()
def check_returncode(proc_cb): returncode = proc.poll() log("returncode(%s)=%s", command, returncode) if returncode!=0: log.warn("lpadmin failed and returned error code: %s", returncode) from xpra.platform import get_username log.warn(" verify that user '%s' has all the required permissions", get_username()) log.warn(" for running: '%s'", LPADMIN) elif success_cb: success_cb()
def check_returncode(proc_cb): returncode = proc.poll() log("returncode(%s)=%s", command, returncode) if returncode != 0: log.warn("lpadmin failed and returned error code: %s", returncode) from xpra.platform import get_username log.warn(" verify that user '%s' has all the required permissions", get_username()) log.warn(" for running: '%s'", LPADMIN) elif success_cb: success_cb()
def pulseaudio_warning(): soundlog.warn( "Warning: pulseaudio has terminated shortly after startup.") soundlog.warn( " pulseaudio is limited to a single instance per user account," ) soundlog.warn(" and one may be running already for user '%s'.", get_username()) soundlog.warn( " To avoid this warning, either fix the pulseaudio command line" ) soundlog.warn(" or use the 'pulseaudio=no' option.")
def test_all(self): threaded_server_init() with program_context() as f: assert repr(f) #this doesn't actually exercise more code, #as the attributes are initialized once per process... with program_context("prg") as f: assert repr(f) with program_context(None, "app") as f: assert repr(f) with program_context("prg", "app") as f: assert repr(f) assert get_application_name() == "app" assert get_prgname() == "prg" USERNAME = os.environ.get("USERNAME") if USERNAME: assert get_username() == USERNAME
def ssh_paramiko_connect_to(display_desc): #plain socket attributes: dtype = display_desc["type"] host = display_desc["host"] port = display_desc.get("ssh-port", 22) #ssh and command attributes: username = display_desc.get("username") or get_username() if "proxy_host" in display_desc: display_desc.setdefault("proxy_username", get_username()) password = display_desc.get("password") remote_xpra = display_desc["remote_xpra"] proxy_command = display_desc["proxy_command"] #ie: "_proxy_start" socket_dir = display_desc.get("socket_dir") display = display_desc.get("display") display_as_args = display_desc["display_as_args"] #ie: "--start=xterm :10" paramiko_config = display_desc.copy() paramiko_config.update(display_desc.get("paramiko-config", {})) socket_info = { "host" : host, "port" : port, } def get_keyfiles(host_config, config_name="key"): keyfiles = (host_config or {}).get("identityfile") or get_default_keyfiles() keyfile = paramiko_config.get(config_name) if keyfile: keyfiles.insert(0, keyfile) return keyfiles with nogssapi_context(): from paramiko import SSHConfig, ProxyCommand ssh_config = SSHConfig() user_config_file = os.path.expanduser("~/.ssh/config") sock = None host_config = None if os.path.exists(user_config_file): with open(user_config_file) as f: ssh_config.parse(f) log("parsed user config '%s': %i hosts found", user_config_file, len(ssh_config.get_hostnames())) host_config = ssh_config.lookup(host) if host_config: log("got host config for '%s': %s", host, host_config) chost = host_config.get("hostname", host) cusername = host_config.get("user", username) cport = host_config.get("port", port) try: port = int(cport) except (TypeError, ValueError): raise InitExit(EXIT_SSH_FAILURE, "invalid ssh port specified: '%s'" % cport) from None proxycommand = host_config.get("proxycommand") if proxycommand: log("found proxycommand='%s' for host '%s'", proxycommand, chost) sock = ProxyCommand(proxycommand) log("ProxyCommand(%s)=%s", proxycommand, sock) from xpra.child_reaper import getChildReaper cmd = getattr(sock, "cmd", []) def proxycommand_ended(proc): log("proxycommand_ended(%s) exit code=%s", proc, proc.poll()) getChildReaper().add_process(sock.process, "paramiko-ssh-client", cmd, True, True, callback=proxycommand_ended) proxy_keys = get_keyfiles(host_config, "proxy_key") log("proxy keys=%s", proxy_keys) from paramiko.client import SSHClient ssh_client = SSHClient() ssh_client.load_system_host_keys() log("ssh proxy command connect to %s", (chost, cport, sock)) ssh_client.connect(chost, cport, sock=sock) transport = ssh_client.get_transport() do_ssh_paramiko_connect_to(transport, chost, cusername, password, host_config or ssh_config.lookup("*"), proxy_keys, paramiko_config) chan = paramiko_run_remote_xpra(transport, proxy_command, remote_xpra, socket_dir, display_as_args) peername = (chost, cport) conn = SSHProxyCommandConnection(chan, peername, peername, socket_info) conn.target = host_target_string("ssh", cusername, chost, port, display) conn.timeout = SOCKET_TIMEOUT conn.start_stderr_reader() conn.process = (sock.process, "ssh", cmd) from xpra.net import bytestreams from paramiko.ssh_exception import ProxyCommandFailure bytestreams.CLOSED_EXCEPTIONS = tuple(list(bytestreams.CLOSED_EXCEPTIONS)+[ProxyCommandFailure]) return conn keys = get_keyfiles(host_config) from xpra.scripts.main import socket_connect from paramiko.transport import Transport from paramiko import SSHException if "proxy_host" in display_desc: proxy_host = display_desc["proxy_host"] proxy_port = display_desc.get("proxy_port", 22) proxy_username = display_desc.get("proxy_username", username) proxy_password = display_desc.get("proxy_password", password) proxy_keys = get_keyfiles(host_config, "proxy_key") sock = socket_connect(dtype, proxy_host, proxy_port) middle_transport = Transport(sock) middle_transport.use_compression(False) try: middle_transport.start_client() except SSHException as e: log("start_client()", exc_info=True) raise InitExit(EXIT_SSH_FAILURE, "SSH negotiation failed: %s" % e) from None proxy_host_config = ssh_config.lookup(host) do_ssh_paramiko_connect_to(middle_transport, proxy_host, proxy_username, proxy_password, proxy_host_config or ssh_config.lookup("*"), proxy_keys, paramiko_config) log("Opening proxy channel") chan_to_middle = middle_transport.open_channel("direct-tcpip", (host, port), ('localhost', 0)) transport = Transport(chan_to_middle) transport.use_compression(False) try: transport.start_client() except SSHException as e: log("start_client()", exc_info=True) raise InitExit(EXIT_SSH_FAILURE, "SSH negotiation failed: %s" % e) do_ssh_paramiko_connect_to(transport, host, username, password, host_config or ssh_config.lookup("*"), keys, paramiko_config) chan = paramiko_run_remote_xpra(transport, proxy_command, remote_xpra, socket_dir, display_as_args) peername = (host, port) conn = SSHProxyCommandConnection(chan, peername, peername, socket_info) conn.target = "%s via %s" % ( host_target_string("ssh", username, host, port, display), host_target_string("ssh", proxy_username, proxy_host, proxy_port, None), ) conn.timeout = SOCKET_TIMEOUT conn.start_stderr_reader() return conn #plain TCP connection to the server, #we open it then give the socket to paramiko: sock = socket_connect(dtype, host, port) sockname = sock.getsockname() peername = sock.getpeername() log("paramiko socket_connect: sockname=%s, peername=%s", sockname, peername) transport = Transport(sock) transport.use_compression(False) try: transport.start_client() except SSHException as e: log("start_client()", exc_info=True) raise InitExit(EXIT_SSH_FAILURE, "SSH negotiation failed: %s" % e) from None do_ssh_paramiko_connect_to(transport, host, username, password, host_config or ssh_config.lookup("*"), keys, paramiko_config) chan = paramiko_run_remote_xpra(transport, proxy_command, remote_xpra, socket_dir, display_as_args) conn = SSHSocketConnection(chan, sock, sockname, peername, (host, port), socket_info) conn.target = host_target_string("ssh", username, host, port, display) conn.timeout = SOCKET_TIMEOUT conn.start_stderr_reader() return conn
#options not normally found in xpra config file #but which can be present in a launcher config: LAUNCHER_OPTION_TYPES ={ "host" : str, "port" : int, "username" : str, "password" : str, "mode" : str, "autoconnect" : bool, "ssh_port" : int, } LAUNCHER_DEFAULTS = { "host" : "", "port" : -1, "username" : get_username(), "password" : "", "mode" : "tcp", #tcp,ssh,.. "autoconnect" : False, "ssh_port" : 22, } black = color_parse("black") red = color_parse("red") white = color_parse("white") def get_active_item_index(optionmenu): menu = optionmenu.get_menu() for i, x in enumerate(menu.get_children()):
"port": int, "username": str, "password": str, "mode": str, "autoconnect": bool, "ssh_port": int, "proxy_host": str, "proxy_port": int, "proxy_username": str, "proxy_password": str, "proxy_key": str, } LAUNCHER_DEFAULTS = { "host": "", "port": -1, "username": get_username(), "password": "", "mode": "tcp", #tcp,ssh,.. "autoconnect": False, "ssh_port": 22, "proxy_host": "", "proxy_port": 22, "proxy_username": get_username(), "proxy_password": "", "proxy_key": "", } black = color_parse("black") red = color_parse("red") white = color_parse("white")
#options not normally found in xpra config file #but which can be present in a launcher config: LAUNCHER_OPTION_TYPES ={ "host" : str, "port" : int, "username" : str, "password" : str, "mode" : str, "autoconnect" : bool, "ssh_port" : int, } LAUNCHER_DEFAULTS = { "host" : "", "port" : -1, "username" : get_username(), "password" : "", "mode" : "tcp", #tcp,ssh,.. "autoconnect" : False, "ssh_port" : 22, } PYTHON3 = sys.version_info[0]==3 black = color_parse("black") red = color_parse("red") white = color_parse("white") def get_active_item_index(optionmenu):
def ssh_paramiko_connect_to(display_desc): #plain socket attributes: dtype = display_desc["type"] host = display_desc["host"] port = display_desc.get("ssh-port", 22) #ssh and command attributes: username = display_desc.get("username") or get_username() if "proxy_host" in display_desc: display_desc.setdefault("proxy_username", get_username()) password = display_desc.get("password") target = ssh_target_string(display_desc) remote_xpra = display_desc["remote_xpra"] proxy_command = display_desc["proxy_command"] #ie: "_proxy_start" socket_dir = display_desc.get("socket_dir") display_as_args = display_desc["display_as_args"] #ie: "--start=xterm :10" socket_info = { "host": host, "port": port, } with nogssapi_context(): from paramiko import SSHConfig, ProxyCommand ssh_config = SSHConfig() user_config_file = os.path.expanduser("~/.ssh/config") sock = None host_config = None if os.path.exists(user_config_file): with open(user_config_file) as f: ssh_config.parse(f) host_config = ssh_config.lookup(host) if host_config: host = host_config.get("hostname", host) username = host_config.get("username", username) port = host_config.get("port", port) proxycommand = host_config.get("proxycommand") if proxycommand: sock = ProxyCommand(proxycommand) from xpra.child_reaper import getChildReaper cmd = getattr(sock, "cmd", []) getChildReaper().add_process(sock.process, "paramiko-ssh-client", cmd, True, True) log("found proxycommand='%s' for host '%s'", proxycommand, host) from paramiko.client import SSHClient ssh_client = SSHClient() ssh_client.load_system_host_keys() ssh_client.connect(host, port, sock=sock) transport = ssh_client.get_transport() do_ssh_paramiko_connect_to( transport, host, username, password, host_config or ssh_config.lookup("*")) chan = paramiko_run_remote_xpra(transport, proxy_command, remote_xpra, socket_dir, display_as_args) peername = (host, port) conn = SSHProxyCommandConnection(chan, peername, target, socket_info) conn.timeout = SOCKET_TIMEOUT conn.start_stderr_reader() conn.process = (sock.process, "ssh", cmd) from xpra.net import bytestreams from paramiko.ssh_exception import ProxyCommandFailure bytestreams.CLOSED_EXCEPTIONS = tuple( list(bytestreams.CLOSED_EXCEPTIONS) + [ProxyCommandFailure]) return conn from xpra.scripts.main import socket_connect from paramiko.transport import Transport from paramiko import SSHException if "proxy_host" in display_desc: proxy_host = display_desc["proxy_host"] proxy_port = display_desc.get("proxy_port", 22) proxy_username = display_desc.get("proxy_username", username) proxy_password = display_desc.get("proxy_password", password) sock = socket_connect(dtype, proxy_host, proxy_port) middle_transport = Transport(sock) middle_transport.use_compression(False) try: middle_transport.start_client() except SSHException as e: log("start_client()", exc_info=True) raise InitException("SSH negotiation failed: %s" % e) proxy_host_config = ssh_config.lookup(host) do_ssh_paramiko_connect_to( middle_transport, proxy_host, proxy_username, proxy_password, proxy_host_config or ssh_config.lookup("*")) log("Opening proxy channel") chan_to_middle = middle_transport.open_channel( "direct-tcpip", (host, port), ('localhost', 0)) transport = Transport(chan_to_middle) transport.use_compression(False) try: transport.start_client() except SSHException as e: log("start_client()", exc_info=True) raise InitException("SSH negotiation failed: %s" % e) do_ssh_paramiko_connect_to(transport, host, username, password, host_config or ssh_config.lookup("*")) chan = paramiko_run_remote_xpra(transport, proxy_command, remote_xpra, socket_dir, display_as_args) peername = (host, port) conn = SSHProxyCommandConnection(chan, peername, target, socket_info) conn.timeout = SOCKET_TIMEOUT conn.start_stderr_reader() return conn #plain TCP connection to the server, #we open it then give the socket to paramiko: sock = socket_connect(dtype, host, port) sockname = sock.getsockname() peername = sock.getpeername() log("paramiko socket_connect: sockname=%s, peername=%s", sockname, peername) transport = Transport(sock) transport.use_compression(False) try: transport.start_client() except SSHException as e: log("start_client()", exc_info=True) raise InitException("SSH negotiation failed: %s" % e) do_ssh_paramiko_connect_to(transport, host, username, password, host_config or ssh_config.lookup("*")) chan = paramiko_run_remote_xpra(transport, proxy_command, remote_xpra, socket_dir, display_as_args) conn = SSHSocketConnection(chan, sock, sockname, peername, target, socket_info) conn.timeout = SOCKET_TIMEOUT conn.start_stderr_reader() return conn