jumpserver/connect.py

379 lines
12 KiB
Python
Executable File

# coding: utf-8
import socket
import sys
import os
import select
import time
from datetime import datetime
import paramiko
import struct
import fcntl
import signal
import textwrap
import django
import getpass
import fnmatch
import readline
from multiprocessing import Pool
from ConfigParser import ConfigParser
from django.core.exceptions import ObjectDoesNotExist
os.environ['DJANGO_SETTINGS_MODULE'] = 'jumpserver.settings'
django.setup()
from juser.models import User
from jasset.models import Asset
from jlog.models import Log
from jumpserver.views import PyCrypt, perm_user_asset
try:
import termios
import tty
except ImportError:
print '\033[1;31mOnly postfix supported.\033[0m'
time.sleep(3)
sys.exit()
BASE_DIR = os.path.abspath(os.path.dirname(__file__))
CONF = ConfigParser()
CONF.read(os.path.join(BASE_DIR, 'jumpserver.conf'))
LOG_DIR = os.path.join(BASE_DIR, 'logs')
# Web generate user ssh_key dir.
SSH_KEY_DIR = os.path.join(BASE_DIR, 'keys')
# User upload the server key to this dir.
SERVER_KEY_DIR = os.path.join(SSH_KEY_DIR, 'server')
# The key of decryptor.
KEY = CONF.get('web', 'key')
# Login user.
#LOGIN_NAME = getpass.getuser()
LOGIN_NAME = 'halcyon'
#LOGIN_NAME = os.getlogin()
USER_KEY_FILE = os.path.join(SERVER_KEY_DIR, LOGIN_NAME)
if not os.path.isfile(USER_KEY_FILE):
USER_KEY_FILE = None
def color_print(msg, color='blue'):
"""Print colorful string."""
color_msg = {'blue': '\033[1;36m%s\033[0m',
'green': '\033[1;32m%s\033[0m',
'red': '\033[1;31m%s\033[0m'}
print color_msg.get(color, 'blue') % msg
def color_print_exit(msg, color='red'):
"""Print colorful string and exit."""
color_print(msg, color=color)
time.sleep(2)
sys.exit()
class ServerError(Exception):
pass
def get_win_size():
"""This function use to get the size of the windows!"""
if 'TIOCGWINSZ' in dir(termios):
TIOCGWINSZ = termios.TIOCGWINSZ
else:
TIOCGWINSZ = 1074295912L # Assume
s = struct.pack('HHHH', 0, 0, 0, 0)
x = fcntl.ioctl(sys.stdout.fileno(), TIOCGWINSZ, s)
return struct.unpack('HHHH', x)[0:2]
def set_win_size(sig, data):
"""This function use to set the window size of the terminal!"""
try:
win_size = get_win_size()
channel.resize_pty(height=win_size[0], width=win_size[1])
except:
pass
def get_object(model, **kwargs):
try:
the_object = model.objects.get(**kwargs)
except ObjectDoesNotExist:
raise ServerError('Object get %s failed.' % str(kwargs.values()))
return the_object
def log_record(username, host):
"""Logging user command and output."""
connect_log_dir = os.path.join(LOG_DIR, 'connect')
timestamp_start = int(time.time())
today = time.strftime('%Y%m%d', time.localtime(timestamp_start))
time_now = time.strftime('%H%M%S', time.localtime(timestamp_start))
today_connect_log_dir = os.path.join(connect_log_dir, today)
log_filename = '%s_%s_%s.log' % (username, host, time_now)
log_file_path = os.path.join(today_connect_log_dir, log_filename)
pid = os.getpid()
if not os.path.isdir(today_connect_log_dir):
try:
os.makedirs(today_connect_log_dir)
os.chmod(today_connect_log_dir, 0777)
except OSError:
raise ServerError('Create %s failed, Please modify %s permission.' % (today_connect_log_dir, connect_log_dir))
try:
log_file = open(log_file_path, 'a')
except IOError:
raise ServerError('Create logfile failed, Please modify %s permission.' % today_connect_log_dir)
log = Log(user=username, host=host, log_path=log_file_path, start_time=datetime.now(), pid=pid)
log.save()
return log_file, log
def posix_shell(chan, username, host):
"""
Use paramiko channel connect server interactive.
"""
log_file, log = log_record(username, host)
old_tty = termios.tcgetattr(sys.stdin)
try:
tty.setraw(sys.stdin.fileno())
tty.setcbreak(sys.stdin.fileno())
chan.settimeout(0.0)
while True:
try:
r, w, e = select.select([chan, sys.stdin], [], [])
except:
pass
if chan in r:
try:
x = chan.recv(1024)
if len(x) == 0:
break
sys.stdout.write(x)
sys.stdout.flush()
log_file.write(x)
log_file.flush()
except socket.timeout:
pass
if sys.stdin in r:
x = os.read(sys.stdin.fileno(), 1)
if len(x) == 0:
break
chan.send(x)
finally:
timestamp_end = time.time()
termios.tcsetattr(sys.stdin, termios.TCSADRAIN, old_tty)
log_file.close()
log.is_finished = True
log.log_finished = False
log.end_time = datetime.now()
log.save()
def get_user_host(username):
"""Get the hosts of under the user control."""
hosts_attr = {}
asset_all = perm_user_asset(username=username)
for asset in asset_all:
hosts_attr[asset.ip] = [asset.id, asset.comment]
return hosts_attr
def get_connect_item(username, ip):
cryptor = PyCrypt(KEY)
asset = get_object(Asset, ip=ip)
port = asset.port
if not asset.is_active:
raise ServerError('Host %s is not active.' % ip)
user = get_object(User, username=username)
if not user.is_active:
raise ServerError('User %s is not active.' % username)
login_type_dict = {
'L': user.ldap_pwd,
'P': user.ssh_pwd,
}
if asset.login_type in login_type_dict:
password = cryptor.decrypt(login_type_dict[asset.login_type])
return username, password, ip, port
elif asset.login_type == 'M':
username = asset.username
password = cryptor.decrypt(asset.password)
return username, password, ip, port
else:
raise ServerError('Login type is not in ["L", "S", "P", "M"]')
def verify_connect(username, part_ip):
hosts_attr = get_user_host(username)
hosts = hosts_attr.keys()
ip_matched = [ip for ip in hosts if part_ip in ip]
if len(ip_matched) > 1:
for ip in ip_matched:
print '[%s] %s -- %s' % (hosts_attr[ip][0], ip, hosts_attr[ip][1])
elif len(ip_matched) < 1:
color_print('No Permission or No host.', 'red')
else:
username, password, host, port = get_connect_item(username, ip_matched[0])
print username, password, host, port
connect(username, password, host, port, LOGIN_NAME)
def print_prompt():
msg = """\033[1;32m### Welcome Use JumpServer To Login. ### \033[0m
1) Type \033[32mIP ADDRESS\033[0m To Login.
2) Type \033[32mP/p\033[0m To Print The Servers You Available.
3) Type \033[32mE/e\033[0m To Execute Command On Several Servers.
4) Type \033[32mQ/q\033[0m To Quit.
"""
print textwrap.dedent(msg)
def print_user_host(username):
hosts_attr = get_user_host(username)
hosts = hosts_attr.keys()
hosts.sort()
for ip in hosts:
print '[%s] %s -- %s' % (hosts_attr[ip][0], ip, hosts_attr[ip][1])
def connect(username, password, host, port, login_name):
"""
Connect server.
"""
ps1 = "PS1='[\u@%s \W]\$ '\n" % host
login_msg = "clear;echo -e '\\033[32mLogin %s done. Enjoy it.\\033[0m'\n" % host
# Make a ssh connection
ssh = paramiko.SSHClient()
ssh.load_system_host_keys()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
try:
ssh.connect(host, port=port, username=username, password=password, key_filename=USER_KEY_FILE, compress=True)
except paramiko.ssh_exception.AuthenticationException, paramiko.ssh_exception.SSHException:
raise ServerError('Authentication Error.')
except socket.error:
raise ServerError('Connect SSH Socket Port Error, Please Correct it.')
# Make a channel and set windows size
global channel
win_size = get_win_size()
channel = ssh.invoke_shell(height=win_size[0], width=win_size[1])
#channel.resize_pty(height=win_size[0], width=win_size[1])
try:
signal.signal(signal.SIGWINCH, set_win_size)
except:
pass
# Set PS1 and msg it
channel.send(ps1)
channel.send(login_msg)
# Make ssh interactive tunnel
posix_shell(channel, login_name, host)
# Shutdown channel socket
channel.close()
ssh.close()
def remote_exec_cmd(ip, port, username, password, cmd):
try:
time.sleep(5)
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(ip, port, username, password, key_filename=USER_KEY_FILE, timeout=5)
stdin, stdout, stderr = ssh.exec_command("bash -l -c '%s'" % cmd)
out = stdout.readlines()
err = stderr.readlines()
color_print('%s:' %ip, 'blue')
for i in out:
color_print(" " * 4 + i.strip(), 'green')
for j in err:
color_print(" " * 4 + j.strip(), 'red')
ssh.close()
except Exception as e:
color_print(ip + ':', 'blue')
color_print(str(e), 'red')
def multi_remote_exec_cmd(hosts, username, cmd):
pool = Pool(processes=5)
for host in hosts:
username, password, ip, port = get_connect_item(username, host)
pool.apply_async(remote_exec_cmd, (ip, port, username, password, cmd))
pool.close()
pool.join()
def exec_cmd_servers(username):
hosts = []
color_print("Input the Host IP(s),Separated by Commas, q/Q to Quit.\n \
You can choose in the following IP(s), Use Linux / Unix glob.", 'green')
print_user_host(LOGIN_NAME)
while True:
inputs = raw_input('\033[1;32mip(s)>: \033[0m')
if inputs in ['q', 'Q']:
break
get_hosts = get_user_host(username).keys()
for host in get_hosts:
if fnmatch.fnmatch(host, inputs):
hosts.append(host.strip())
if len(hosts) == 0:
color_print("Check again, Not matched any ip!", 'red')
continue
else:
print "You matched ip: %s" % hosts
color_print("Input the Command , The command will be Execute on servers, q/Q to quit.", 'green')
while True:
cmd = raw_input('\033[1;32mCmd(s): \033[0m')
if cmd in ['q', 'Q']:
break
exec_log_dir = os.path.join(LOG_DIR, 'exec_cmds')
if not os.path.isdir(exec_log_dir):
os.mkdir(exec_log_dir)
os.chmod(exec_log_dir, 0777)
filename = "%s/%s.log" % (exec_log_dir, time.strftime('%Y%m%d'))
f = open(filename, 'a')
f.write("DateTime: %s User: %s Host: %s Cmds: %s\n" %
(time.strftime('%Y/%m/%d %H:%M:%S'), username, hosts, cmd))
multi_remote_exec_cmd(hosts, username, cmd)
if __name__ == '__main__':
print_prompt()
try:
while True:
try:
option = raw_input("\033[1;32mOpt or IP>:\033[0m ")
except EOFError:
print
continue
if option in ['P', 'p']:
print_user_host(LOGIN_NAME)
continue
elif option in ['E', 'e']:
exec_cmd_servers(LOGIN_NAME)
elif option in ['Q', 'q']:
sys.exit()
else:
try:
verify_connect(LOGIN_NAME, option)
except ServerError, e:
color_print(e, 'red')
except IndexError:
pass