forked from retoor/snek
drive.
This commit is contained in:
@@ -0,0 +1,71 @@
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import asyncio
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import asyncssh
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import os
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import logging
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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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@@ -0,0 +1,68 @@
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import asyncio
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import asyncssh
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import os
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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, "-i", stdin=asyncio.subprocess.PIPE, stdout=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.PIPE, 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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@@ -0,0 +1,71 @@
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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, asyncssh, sys
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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(f'Terminal type: {process.term_type}, '
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f'size: {width}x{height}')
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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}'
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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('', 2230, 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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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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@@ -0,0 +1,77 @@
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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, asyncssh, bcrypt, sys
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from typing import Optional
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passwords = {'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(MySSHServer, '', 2231,
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server_host_keys=['ssh_host_key'],
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process_factory=handle_client)
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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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@@ -0,0 +1,106 @@
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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, asyncssh, sys
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from typing import List, cast
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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('', 2235, server_host_keys=['ssh_host_key'],
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process_factory=ChatClient.handle_client)
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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