Created
June 4, 2023 14:56
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Nested SSH using Python Paramiko and pysftp
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import pysftp | |
import paramiko | |
# SSH jump server details | |
jump_server_host = '<host>' | |
jump_server_username = '<user>' | |
jump_server_password = '<password>' | |
# SFTP server details | |
sftp_server_host = '<host>' | |
sftp_server_username = '<user>' | |
sftp_server_password = '<password>' | |
cnopts = pysftp.CnOpts() | |
cnopts.hostkeys = None | |
jump_server = pysftp.Connection(cnopts=cnopts, | |
host=jump_server_host, | |
username=jump_server_username, | |
password=jump_server_password, | |
port=22) | |
jump_sftp_client = jump_server.sftp_client | |
transport = jump_sftp_client.get_channel().get_transport() | |
dest_addr = (sftp_server_host, 22) | |
local_addr = ('localhost', 0) | |
channel = transport.open_channel("direct-tcpip", dest_addr, local_addr) | |
sftp = paramiko.SSHClient() | |
sftp.set_missing_host_key_policy(paramiko.AutoAddPolicy()) | |
sftp.connect(sftp_server_host, username=sftp_server_username, password=sftp_server_password, sock=channel) | |
sftp_client = sftp.open_sftp() | |
files = sftp_client.listdir('.') | |
for file in files: | |
print(file) | |
sftp.close() | |
jump_server.close() |
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