Update, cleanup
This commit is contained in:
parent
f74146bb11
commit
f5a2928f1b
@ -1,78 +0,0 @@
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import asyncio
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import logging
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import os
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import asyncssh
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asyncssh.set_debug_level(2)
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logging.basicConfig(level=logging.DEBUG)
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# Configuration for SFTP server
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SFTP_ROOT = "." # Directory to serve
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USERNAME = "test"
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PASSWORD = "woeii"
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HOST = "localhost"
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PORT = 2225
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class MySFTPServer(asyncssh.SFTPServer):
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def __init__(self, chan):
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super().__init__(chan)
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self.root = os.path.abspath(SFTP_ROOT)
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async def stat(self, path):
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"""Handles 'stat' command from SFTP client"""
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full_path = os.path.join(self.root, path.lstrip("/"))
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return await super().stat(full_path)
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async def open(self, path, flags, attrs):
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"""Handles file open requests"""
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full_path = os.path.join(self.root, path.lstrip("/"))
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return await super().open(full_path, flags, attrs)
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async def listdir(self, path):
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"""Handles directory listing"""
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full_path = os.path.join(self.root, path.lstrip("/"))
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return await super().listdir(full_path)
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class MySSHServer(asyncssh.SSHServer):
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"""Custom SSH server to handle authentication"""
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def connection_made(self, conn):
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print(f"New connection from {conn.get_extra_info('peername')}")
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def connection_lost(self, exc):
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print("Client disconnected")
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def begin_auth(self, username):
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return True # No additional authentication steps
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def password_auth_supported(self):
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return True # Support password authentication
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def validate_password(self, username, password):
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print(username, password)
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return True
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return username == USERNAME and password == PASSWORD
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async def start_sftp_server():
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os.makedirs(SFTP_ROOT, exist_ok=True) # Ensure the root directory exists
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await asyncssh.create_server(
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lambda: MySSHServer(),
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host=HOST,
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port=PORT,
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server_host_keys=["ssh_host_key"],
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process_factory=MySFTPServer,
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)
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print(f"SFTP server running on {HOST}:{PORT}")
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await asyncio.Future() # Keep running forever
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if __name__ == "__main__":
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try:
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asyncio.run(start_sftp_server())
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except (OSError, asyncssh.Error) as e:
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print(f"Error starting SFTP server: {e}")
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@ -1,77 +0,0 @@
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import asyncio
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import os
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import asyncssh
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# SSH Server Configuration
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HOST = "0.0.0.0"
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PORT = 2225
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USERNAME = "user"
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PASSWORD = "password"
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SHELL = "/bin/sh" # Change to another shell if needed
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class CustomSSHServer(asyncssh.SSHServer):
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def connection_made(self, conn):
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print(f"New connection from {conn.get_extra_info('peername')}")
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def connection_lost(self, exc):
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print("Client disconnected")
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def password_auth_supported(self):
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return True
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def validate_password(self, username, password):
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return username == USERNAME and password == PASSWORD
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async def custom_bash_process(process):
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"""Spawns a custom bash shell process"""
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env = os.environ.copy()
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env["TERM"] = "xterm-256color"
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# Start the Bash shell
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bash_proc = await asyncio.create_subprocess_exec(
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SHELL,
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"-i",
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stdin=asyncio.subprocess.PIPE,
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stdout=asyncio.subprocess.PIPE,
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stderr=asyncio.subprocess.PIPE,
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env=env,
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)
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async def read_output():
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while True:
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data = await bash_proc.stdout.read(1)
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if not data:
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break
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process.stdout.write(data)
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async def read_input():
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while True:
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data = await process.stdin.read(1)
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if not data:
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break
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bash_proc.stdin.write(data)
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await asyncio.gather(read_output(), read_input())
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async def start_ssh_server():
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"""Starts the AsyncSSH server with Bash"""
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await asyncssh.create_server(
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lambda: CustomSSHServer(),
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host=HOST,
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port=PORT,
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server_host_keys=["ssh_host_key"],
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process_factory=custom_bash_process,
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)
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print(f"SSH server running on {HOST}:{PORT}")
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await asyncio.Future() # Keep running
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if __name__ == "__main__":
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try:
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asyncio.run(start_ssh_server())
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except (OSError, asyncssh.Error) as e:
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print(f"Error starting SSH server: {e}")
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@ -1,74 +0,0 @@
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#!/usr/bin/env python3.7
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#
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# Copyright (c) 2013-2024 by Ron Frederick <ronf@timeheart.net> and others.
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#
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# This program and the accompanying materials are made available under
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# the terms of the Eclipse Public License v2.0 which accompanies this
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# distribution and is available at:
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#
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# http://www.eclipse.org/legal/epl-2.0/
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#
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# This program may also be made available under the following secondary
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# licenses when the conditions for such availability set forth in the
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# Eclipse Public License v2.0 are satisfied:
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#
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# GNU General Public License, Version 2.0, or any later versions of
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# that license
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#
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# SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
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#
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# Contributors:
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# Ron Frederick - initial implementation, API, and documentation
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# To run this program, the file ``ssh_host_key`` must exist with an SSH
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# private key in it to use as a server host key. An SSH host certificate
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# can optionally be provided in the file ``ssh_host_key-cert.pub``.
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#
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# The file ``ssh_user_ca`` must exist with a cert-authority entry of
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# the certificate authority which can sign valid client certificates.
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import asyncio
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import sys
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import asyncssh
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async def handle_client(process: asyncssh.SSHServerProcess) -> None:
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width, height, pixwidth, pixheight = process.term_size
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process.stdout.write(
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f"Terminal type: {process.term_type}, " f"size: {width}x{height}"
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)
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if pixwidth and pixheight:
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process.stdout.write(f" ({pixwidth}x{pixheight} pixels)")
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process.stdout.write("\nTry resizing your window!\n")
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while not process.stdin.at_eof():
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try:
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await process.stdin.read()
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except asyncssh.TerminalSizeChanged as exc:
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process.stdout.write(f"New window size: {exc.width}x{exc.height}")
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if exc.pixwidth and exc.pixheight:
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process.stdout.write(f" ({exc.pixwidth}" f"x{exc.pixheight} pixels)")
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process.stdout.write("\n")
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async def start_server() -> None:
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await asyncssh.listen(
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"",
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2230,
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server_host_keys=["ssh_host_key"],
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# authorized_client_keys='ssh_user_ca',
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process_factory=handle_client,
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)
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loop = asyncio.new_event_loop()
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try:
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loop.run_until_complete(start_server())
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except (OSError, asyncssh.Error) as exc:
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sys.exit("Error starting server: " + str(exc))
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loop.run_forever()
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@ -1,90 +0,0 @@
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#!/usr/bin/env python3.7
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#
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# Copyright (c) 2013-2024 by Ron Frederick <ronf@timeheart.net> and others.
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#
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# This program and the accompanying materials are made available under
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# the terms of the Eclipse Public License v2.0 which accompanies this
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# distribution and is available at:
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#
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# http://www.eclipse.org/legal/epl-2.0/
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#
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# This program may also be made available under the following secondary
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# licenses when the conditions for such availability set forth in the
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# Eclipse Public License v2.0 are satisfied:
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#
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# GNU General Public License, Version 2.0, or any later versions of
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# that license
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#
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# SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
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#
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# Contributors:
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# Ron Frederick - initial implementation, API, and documentation
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# To run this program, the file ``ssh_host_key`` must exist with an SSH
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# private key in it to use as a server host key. An SSH host certificate
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# can optionally be provided in the file ``ssh_host_key-cert.pub``.
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import asyncio
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import sys
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from typing import Optional
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import asyncssh
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import bcrypt
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passwords = {
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"guest": b"", # guest account with no password
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"user": bcrypt.hashpw(b"user", bcrypt.gensalt()),
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}
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def handle_client(process: asyncssh.SSHServerProcess) -> None:
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username = process.get_extra_info("username")
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process.stdout.write(f"Welcome to my SSH server, {username}!\n")
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# process.exit(0)
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class MySSHServer(asyncssh.SSHServer):
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def connection_made(self, conn: asyncssh.SSHServerConnection) -> None:
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peername = conn.get_extra_info("peername")[0]
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print(f"SSH connection received from {peername}.")
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def connection_lost(self, exc: Optional[Exception]) -> None:
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if exc:
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print("SSH connection error: " + str(exc), file=sys.stderr)
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else:
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print("SSH connection closed.")
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def begin_auth(self, username: str) -> bool:
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# If the user's password is the empty string, no auth is required
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return passwords.get(username) != b""
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def password_auth_supported(self) -> bool:
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return True
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def validate_password(self, username: str, password: str) -> bool:
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if username not in passwords:
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return False
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pw = passwords[username]
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if not password and not pw:
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return True
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return bcrypt.checkpw(password.encode("utf-8"), pw)
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async def start_server() -> None:
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await asyncssh.create_server(
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MySSHServer,
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"",
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2231,
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server_host_keys=["ssh_host_key"],
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process_factory=handle_client,
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)
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loop = asyncio.new_event_loop()
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try:
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loop.run_until_complete(start_server())
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except (OSError, asyncssh.Error) as exc:
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sys.exit("Error starting server: " + str(exc))
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loop.run_forever()
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@ -1,112 +0,0 @@
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#!/usr/bin/env python3.7
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#
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# Copyright (c) 2016-2024 by Ron Frederick <ronf@timeheart.net> and others.
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#
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# This program and the accompanying materials are made available under
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# the terms of the Eclipse Public License v2.0 which accompanies this
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# distribution and is available at:
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#
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# http://www.eclipse.org/legal/epl-2.0/
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#
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# This program may also be made available under the following secondary
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# licenses when the conditions for such availability set forth in the
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# Eclipse Public License v2.0 are satisfied:
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#
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# GNU General Public License, Version 2.0, or any later versions of
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# that license
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#
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# SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
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#
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# Contributors:
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# Ron Frederick - initial implementation, API, and documentation
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# To run this program, the file ``ssh_host_key`` must exist with an SSH
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# private key in it to use as a server host key. An SSH host certificate
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# can optionally be provided in the file ``ssh_host_key-cert.pub``.
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#
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# The file ``ssh_user_ca`` must exist with a cert-authority entry of
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# the certificate authority which can sign valid client certificates.
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import asyncio
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import sys
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from typing import List, cast
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import asyncssh
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class ChatClient:
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_clients: List["ChatClient"] = []
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def __init__(self, process: asyncssh.SSHServerProcess):
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self._process = process
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@classmethod
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async def handle_client(cls, process: asyncssh.SSHServerProcess):
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await cls(process).run()
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async def readline(self) -> str:
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return cast(str, self._process.stdin.readline())
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def write(self, msg: str) -> None:
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self._process.stdout.write(msg)
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def broadcast(self, msg: str) -> None:
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for client in self._clients:
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if client != self:
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client.write(msg)
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def begin_auth(self, username: str) -> bool:
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# If the user's password is the empty string, no auth is required
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# return False
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return True # passwords.get(username) != b''
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def password_auth_supported(self) -> bool:
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return True
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def validate_password(self, username: str, password: str) -> bool:
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# if username not in passwords:
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# return False
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# pw = passwords[username]
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# if not password and not pw:
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# return True
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return True
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# return bcrypt.checkpw(password.encode('utf-8'), pw)
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async def run(self) -> None:
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self.write("Welcome to chat!\n\n")
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self.write("Enter your name: ")
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name = (await self.readline()).rstrip("\n")
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self.write(f"\n{len(self._clients)} other users are connected.\n\n")
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self._clients.append(self)
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self.broadcast(f"*** {name} has entered chat ***\n")
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try:
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async for line in self._process.stdin:
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self.broadcast(f"{name}: {line}")
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except asyncssh.BreakReceived:
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pass
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self.broadcast(f"*** {name} has left chat ***\n")
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self._clients.remove(self)
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async def start_server() -> None:
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await asyncssh.listen(
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"",
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2235,
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server_host_keys=["ssh_host_key"],
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process_factory=ChatClient.handle_client,
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)
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loop = asyncio.new_event_loop()
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try:
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loop.run_until_complete(start_server())
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except (OSError, asyncssh.Error) as exc:
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sys.exit("Error starting server: " + str(exc))
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loop.run_forever()
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Block a user