审计系统
[root@python demos]# cat demo.py #!/usr/bin/env python # Copyright (C) 2003-2007 Robey Pointer <robeypointer@gmail.com> # # This file is part of paramiko. # # Paramiko is free software; you can redistribute it and/or modify it under the # terms of the GNU Lesser General Public License as published by the Free # Software Foundation; either version 2.1 of the License, or (at your option) # any later version. # # Paramiko is distributed in the hope that it will be useful, but WITHOUT ANY # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR # A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more # details. # # You should have received a copy of the GNU Lesser General Public License # along with Paramiko; if not, write to the Free Software Foundation, Inc., # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. import base64 from binascii import hexlify import getpass import os import select import socket import sys import time import traceback from paramiko.py3compat import input import paramiko try: import interactive except ImportError: from . import interactive def agent_auth(transport, username): """ Attempt to authenticate to the given transport using any of the private keys available from an SSH agent. """ agent = paramiko.Agent() agent_keys = agent.get_keys() if len(agent_keys) == 0: return for key in agent_keys: print('Trying ssh-agent key %s' % hexlify(key.get_fingerprint())) try: transport.auth_publickey(username, key) print('... success!') return except paramiko.SSHException: print('... nope.') def manual_auth(username, hostname): default_auth = 'p' auth = input('Auth by (p)assword, (r)sa key, or (d)ss key? [%s] ' % default_auth) if len(auth) == 0: auth = default_auth if auth == 'r': default_path = os.path.join(os.environ['HOME'], '.ssh', 'id_rsa') path = input('RSA key [%s]: ' % default_path) if len(path) == 0: path = default_path try: key = paramiko.RSAKey.from_private_key_file(path) except paramiko.PasswordRequiredException: password = getpass.getpass('RSA key password: ') key = paramiko.RSAKey.from_private_key_file(path, password) t.auth_publickey(username, key) elif auth == 'd': default_path = os.path.join(os.environ['HOME'], '.ssh', 'id_dsa') path = input('DSS key [%s]: ' % default_path) if len(path) == 0: path = default_path try: key = paramiko.DSSKey.from_private_key_file(path) except paramiko.PasswordRequiredException: password = getpass.getpass('DSS key password: ') key = paramiko.DSSKey.from_private_key_file(path, password) t.auth_publickey(username, key) else: pw = getpass.getpass('Password for %s@%s: ' % (username, hostname)) t.auth_password(username, pw) # setup logging paramiko.util.log_to_file('demo.log') username = '' if len(sys.argv) > 1: hostname = sys.argv[1] if hostname.find('@') >= 0: username, hostname = hostname.split('@') else: hostname = input('Hostname: ') if len(hostname) == 0: print('*** Hostname required.') sys.exit(1) port = 22 if hostname.find(':') >= 0: hostname, portstr = hostname.split(':') port = int(portstr) # now connect try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.connect((hostname, port)) except Exception as e: print('*** Connect failed: ' + str(e)) traceback.print_exc() sys.exit(1) try: t = paramiko.Transport(sock) try: t.start_client() except paramiko.SSHException: print('*** SSH negotiation failed.') sys.exit(1) try: keys = paramiko.util.load_host_keys(os.path.expanduser('~/.ssh/known_hosts')) except IOError: try: keys = paramiko.util.load_host_keys(os.path.expanduser('~/ssh/known_hosts')) except IOError: print('*** Unable to open host keys file') keys = {} # check server's host key -- this is important. key = t.get_remote_server_key() if hostname not in keys: print('*** WARNING: Unknown host key!') elif key.get_name() not in keys[hostname]: print('*** WARNING: Unknown host key!') elif keys[hostname][key.get_name()] != key: print('*** WARNING: Host key has changed!!!') sys.exit(1) else: print('*** Host key OK.') # get username if username == '': default_username = getpass.getuser() username = input('Username [%s]: ' % default_username) if len(username) == 0: username = default_username agent_auth(t, username) if not t.is_authenticated(): manual_auth(username, hostname) if not t.is_authenticated(): print('*** Authentication failed. :(') t.close() sys.exit(1) chan = t.open_session() chan.get_pty() chan.invoke_shell() print('*** Here we go!\n') interactive.interactive_shell(chan,'similarface','localhost') chan.close() t.close() except Exception as e: print('*** Caught exception: ' + str(e.__class__) + ': ' + str(e)) traceback.print_exc() try: t.close() except: pass sys.exit(1)
import socket import sys import time from paramiko.py3compat import u # windows does not have termios... try: import termios import tty has_termios = True except ImportError: has_termios = False def interactive_shell(chan,user,hostname): if has_termios: posix_shell(chan,user,hostname) else: windows_shell(chan) def posix_shell(chan,user,hostname): import select f=open('/tmp/log.log','a+') oldtty = termios.tcgetattr(sys.stdin) try: tty.setraw(sys.stdin.fileno()) tty.setcbreak(sys.stdin.fileno()) chan.settimeout(0.0) record=[] record_dic={} day_time=time.strftime('%Y_%m_%d') f=open('/tmp/audit/logs/audit_%s_%s.log'%(day_time,user),'a') while True: r, w, e = select.select([chan, sys.stdin], [], []) if chan in r: try: x = chan.recv(1024) if len(x) == 0: sys.stdout.write('\r\n*** EOF\r\n') break sys.stdout.write(x) sys.stdout.flush() except socket.timeout: pass if sys.stdin in r: x = sys.stdin.read(1) #f.write(x) #f.flush() if len(x) == 0: break record.append(x) chan.send(x) if x=='\r': cmd=''.join(record).split('\r')[-2] log="%s|%s|%s|%s\n"%(hostname,day_time,user,cmd) f.write(log) f.flush() finally: termios.tcsetattr(sys.stdin, termios.TCSADRAIN, oldtty) f.close() # thanks to Mike Looijmans for this code def windows_shell(chan): import threading sys.stdout.write("Line-buffered terminal emulation. Press F6 or ^Z to send EOF.\r\n\r\n") def writeall(sock): while True: data = sock.recv(256) if not data: sys.stdout.write('\r\n*** EOF ***\r\n\r\n') sys.stdout.flush() break sys.stdout.write(data) sys.stdout.flush() writer = threading.Thread(target=writeall, args=(chan,)) writer.start() try: while True: d = sys.stdin.read(1) if not d: break chan.send(d) except EOFError: # user hit ^Z or F6 pass
[root@python demos]# cat /home/similarface/.bashrc # .bashrc # Source global definitions if [ -f /etc/bashrc ]; then . /etc/bashrc fi /bin/bash sh.sh # User specific aliases and functions [root@python demos]# cat /home/similarface/sh.sh #!/usr/bin/env python python /opt/paramiko-master/demos/menu.py
import os,sys msg=""" \033[42;1mWelcome using similarface's auditing system!\033[0m """ print msg host_dic={ 'similarface':'10.0.0.9', 'hadoop':'10.0.0.9', } while True: for hostname,ip in host_dic.items(): print hostname,ip try: host=raw_input('select:').strip() if host=='quit' or host=='exit' or host=='q': print "See bye" break except Exception,e: print e if len(host)==0:continue if not host_dic.has_key(host):continue print(host) print(host_dic[host]) #os.system('python demo.py %s'%host_dic[host]) #os.system('python demo.py %s'%host_dic[host])
[root@python demos]# cat /tmp/audit/logs/audit_2016_04_21_similarface.log localhost|2016_04_21|similarface|ls localhost|2016_04_21|similarface|pwd localhost|2016_04_21|similarfacetop localhost|2016_04_21|similarface|q localhost|2016_04_21|similarface|ls localhost|2016_04_21|similarface|cat /pr me localhost|2016_04_21|similarface| localhost|2016_04_21|similarface| localhost|2016_04_21|similarface| localhost|2016_04_21|similarface| localhost|2016_04_21|similarface| localhost|2016_04_21|similarface| localhost|2016_04_21|similarface|quit localhost|2016_04_21|similarface|logout