def _posix_shell(channel: paramiko.channel.Channel) -> None:
""" Start posix shell with SSH server
:param paramiko.channel.Channel channel: channel for communicating with SSH server
:return None:
"""
import termios
import tty
old_tty = termios.tcgetattr(sys.stdin)
try:
tty.setraw(sys.stdin.fileno())
tty.setcbreak(sys.stdin.fileno())
channel.settimeout(0.0)
while True:
r, w, e = select.select([channel, sys.stdin], [], [])
if channel in r:
try:
x = str(channel.recv(1024), "utf-8")
if len(x) == 0:
break
sys.stdout.write(x)
sys.stdout.flush()
except socket.timeout:
pass
if sys.stdin in r:
x = sys.stdin.read(1)
if len(x) == 0:
break
channel.send(x)
finally:
termios.tcsetattr(sys.stdin, termios.TCSADRAIN, old_tty)
return
def _read_ssh_chunks(
self,
channel: paramiko.channel.Channel,
text: bool,
encoding: str,
pipe: bool,
) -> Tuple[Union[bytes, str], Union[bytes, str]]:
stdout_chunk = b'' # type: Union[bytes, str]
stderr_chunk = b'' # type: Union[bytes, str]
if channel.recv_ready():
stdout_chunk = channel.recv(len(channel.in_buffer))
if channel.recv_stderr_ready():
stderr_chunk = channel.recv_stderr(len(channel.in_stderr_buffer))
if text:
stdout_chunk = stdout_chunk.decode(encoding) # type: ignore
stderr_chunk = stderr_chunk.decode(encoding) # type: ignore
if not pipe:
print(stdout_chunk, file=sys.stdout, end='')
print(stderr_chunk, file=sys.stderr, end='')
stdout_chunk = ''
stderr_chunk = ''
return (stdout_chunk, stderr_chunk)
def _posix_shell(self, chan: paramiko.channel.Channel) -> None:
""" Start posix shell with SSH server
:param paramiko.channel.Channel chan: channel for communicating with SSH server
:return None:
"""
import termios
import tty
oldtty = termios.tcgetattr(sys.stdin)
try:
tty.setraw(sys.stdin.fileno())
tty.setcbreak(sys.stdin.fileno())
chan.settimeout(0.0)
while True:
r, w, e = select.select([chan, sys.stdin], [], [])
if chan in r:
try:
x = str(chan.recv(1024), "utf-8")
if len(x) == 0:
break
sys.stdout.write(x)
sys.stdout.flush()
except socket.timeout:
pass
if sys.stdin in r:
x = sys.stdin.read(1)
if len(x) == 0:
break
chan.send(x)
finally:
termios.tcsetattr(sys.stdin, termios.TCSADRAIN, oldtty)
return