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# coding: utf-8
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import sys
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reload(sys)
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sys.setdefaultencoding('utf8')
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import os
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import re
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import time
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import datetime
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import textwrap
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import getpass
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import readline
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import django
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import paramiko
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import struct, fcntl, signal, socket, select
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os.environ['DJANGO_SETTINGS_MODULE'] = 'jumpserver.settings'
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if django.get_version() != '1.6':
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django.setup()
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from jumpserver.api import ServerError, User, Asset, AssetGroup, get_object
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from jumpserver.api import logger, mkdir, Log, TtyLog
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from jumpserver.settings import LOG_DIR
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login_user = get_object(User, username=getpass.getuser())
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VIM_FLAG = False
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try:
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import termios
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import tty
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except ImportError:
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print '\033[1;31m仅支持类Unix系统 Only unix like supported.\033[0m'
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time.sleep(3)
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sys.exit()
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def color_print(msg, color='red', exits=False):
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"""
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Print colorful string.
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颜色打印字符或者退出
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"""
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color_msg = {'blue': '\033[1;36m%s\033[0m',
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'green': '\033[1;32m%s\033[0m',
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'red': '\033[1;31m%s\033[0m'}
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print color_msg.get(color, 'blue') % msg
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if exits:
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time.sleep(2)
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sys.exit()
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def check_vim_status(command, ssh):
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global SSH_TTY
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print command
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if command == '':
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return True
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else:
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command_str= 'ps -ef |grep "%s" | grep "%s"|grep -v grep |wc -l' % (command,SSH_TTY)
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print command_str
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stdin, stdout, stderr = ssh.exec_command(command_str)
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ps_num = stdout.read()
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print ps_num
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if int(ps_num) == 0:
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return True
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else:
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return False
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class Tty(object):
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"""
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A virtual tty class
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一个虚拟终端类，实现连接ssh和记录日志，基类
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"""
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def __init__(self, username, asset_name):
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self.username = username
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self.asset_name = asset_name
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self.ip = None
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self.port = 22
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self.channel = None
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#self.asset = get_object(Asset, name=asset_name)
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#self.user = get_object(User, username=username)
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self.role = None
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self.ssh = None
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self.connect_info = None
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self.login_type = 'ssh'
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@staticmethod
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def is_output(strings):
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newline_char = ['\n', '\r', '\r\n']
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for char in newline_char:
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if char in strings:
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return True
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return False
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@staticmethod
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def deal_command(str_r, ssh):
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"""
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处理命令中特殊字符
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"""
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str_r = re.sub('\x07','',str_r) #删除响铃
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patch_char = re.compile('\x08\x1b\[C') #删除方向左右一起的按键
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while patch_char.search(str_r):
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str_r = patch_char.sub('', str_r.rstrip())
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result_command = '' #最后的结果
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backspace_num = 0 #光标移动的个数
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backspace_list = []
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reach_backspace_flag = False #没有检测到光标键则为true
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reach_backspace_second_flag = False
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pattern_list = []
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pattern_str=''
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while str_r:
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tmp = re.match(r'\s*\w+\s*', str_r) #获取字符串，其它特殊字符匹配暂时还不知道。。
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if tmp:
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if reach_backspace_flag :
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if not reach_backspace_second_flag:
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pattern_str +=str(tmp.group(0))
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else:
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pattern_list.append(pattern_str)
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pattern_str=str(tmp.group(0))
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reach_backspace_second_flag=False
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str_r = str_r[len(str(tmp.group(0))):]
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continue
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else:
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result_command += str(tmp.group(0))
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str_r = str_r[len(str(tmp.group(0))):]
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continue
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tmp = re.match(r'\x1b\[K[\x08]*', str_r) #遇到删除确认符，确定删除数据
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if tmp:
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for x in backspace_list:
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backspace_num += int(x)
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if backspace_num > 0:
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if backspace_num > len(result_command) :
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result_command += ''.join(pattern_list)
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result_command += pattern_str
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result_command = result_command[0:-backspace_num]
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else:
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result_command = result_command[0:-backspace_num]
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result_command += ''.join(pattern_list)
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result_command += pattern_str
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del_len = len(str(tmp.group(0)))-3
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if del_len > 0:
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result_command = result_command[0:-del_len]
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reach_backspace_flag = False
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reach_backspace_second_flag =False
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backspace_num =0
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del pattern_list[:]
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del backspace_list[:]
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pattern_str=''
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str_r = str_r[len(str(tmp.group(0))):]
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continue
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tmp = re.match(r'\x08+', str_r) #将遇到的退格数字存放到队列中
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if tmp:
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if reach_backspace_flag:
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reach_backspace_second_flag = True
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else:
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reach_backspace_flag = True
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str_r = str_r[len(str(tmp.group(0))):]
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if len(str_r) != 0: #如果退格键在最后，则放弃
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backspace_list.append(len(str(tmp.group(0))))
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continue
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if reach_backspace_flag :
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if not reach_backspace_second_flag:
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pattern_str +=str_r[0]
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else:
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pattern_list.append(pattern_str)
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pattern_str=str_r[0]
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reach_backspace_second_flag=False
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else :
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result_command += str_r[0]
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str_r = str_r[1:]
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if pattern_str !='':
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pattern_list.append(pattern_str)
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#退格队列中还有腿哥键，则进行删除操作
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if len(backspace_list) > 0 :
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for backspace in backspace_list:
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if int(backspace) >= len(result_command):
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result_command = pattern_list[0]
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else:
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result_command = result_command[:-int(backspace)]
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result_command += pattern_list[0]
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pattern_list = pattern_list[1:]
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control_char = re.compile(r"""
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\x1b[ #%()*+\-.\/]. |
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\r | #匹配 回车符(CR)
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(?:\x1b\[|\x9b) [ -?]* [@-~] | #匹配 控制顺序描述符(CSI)... Cmd
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(?:\x1b\]|\x9d) .*? (?:\x1b\\|[\a\x9c]) | \x07 | #匹配 操作系统指令(OSC)...终止符或振铃符(ST|BEL)
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(?:\x1b[P^_]|[\x90\x9e\x9f]) .*? (?:\x1b\\|\x9c) | #匹配 设备控制串或私讯或应用程序命令(DCS|PM|APC)...终止符(ST)
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\x1b. #匹配 转义过后的字符
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[\x80-\x9f] | (?:\x1b\]0.*) | \[.*@.*\][\$#] | (.*mysql>.*) #匹配 所有控制字符
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""", re.X)
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result_command = control_char.sub('', result_command.strip())
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global VIM_FLAG
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global VIM_COMMAND
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if not VIM_FLAG:
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if result_command.startswith('vi'):
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VIM_FLAG = True
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VIM_COMMAND = result_command
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return result_command.decode('utf8',"ignore")
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else:
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if check_vim_status(VIM_COMMAND, ssh):
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VIM_FLAG = False
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VIM_COMMAND=''
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if result_command.endswith(':wq') or result_command.endswith(':wq!') or result_command.endswith(':q!'):
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return ''
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return result_command.decode('utf8',"ignore")
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else:
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return ''
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@staticmethod
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def remove_control_char(str_r):
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"""
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处理日志特殊字符
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"""
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control_char = re.compile(r"""
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\x1b[ #%()*+\-.\/]. |
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\r | #匹配 回车符(CR)
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(?:\x1b\[|\x9b) [ -?]* [@-~] | #匹配 控制顺序描述符(CSI)... Cmd
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(?:\x1b\]|\x9d) .*? (?:\x1b\\|[\a\x9c]) | \x07 | #匹配 操作系统指令(OSC)...终止符或振铃符(ST|BEL)
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(?:\x1b[P^_]|[\x90\x9e\x9f]) .*? (?:\x1b\\|\x9c) | #匹配 设备控制串或私讯或应用程序命令(DCS|PM|APC)...终止符(ST)
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\x1b. #匹配 转义过后的字符
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[\x80-\x9f] #匹配 所有控制字符
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""", re.X)
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backspace = re.compile(r"[^\b][\b]")
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line_filtered = control_char.sub('', str_r.rstrip())
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while backspace.search(line_filtered):
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line_filtered = backspace.sub('', line_filtered)
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return line_filtered
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def get_log(self):
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"""
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Logging user command and output.
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记录用户的日志
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"""
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tty_log_dir = os.path.join(LOG_DIR, 'tty')
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date_today = datetime.datetime.now()
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date_start = date_today.strftime('%Y%m%d')
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time_start = date_today.strftime('%H%M%S')
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today_connect_log_dir = os.path.join(tty_log_dir, date_start)
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log_file_path = os.path.join(today_connect_log_dir, '%s_%s_%s' % (self.username, self.asset_name, time_start))
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try:
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mkdir(today_connect_log_dir, mode=0777)
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except OSError:
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logger.debug('创建目录 %s 失败，请修改%s目录权限' % (today_connect_log_dir, tty_log_dir))
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raise ServerError('Create %s failed, Please modify %s permission.' % (today_connect_log_dir, tty_log_dir))
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try:
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log_file_f = open(log_file_path + '.log', 'a')
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log_time_f = open(log_file_path + '.time', 'a')
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except IOError:
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logger.debug('创建tty日志文件失败, 请修改目录%s权限' % today_connect_log_dir)
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raise ServerError('Create logfile failed, Please modify %s permission.' % today_connect_log_dir)
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if self.login_type == 'ssh': # 如果是ssh连接过来，记录connect.py的pid，web terminal记录为日志的id
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pid = os.getpid()
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remote_ip = os.popen("who -m | awk '{ print $5 }'").read().strip('()\n') # 获取远端IP
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log = Log(user=self.username, host=self.asset_name, remote_ip=remote_ip,
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log_path=log_file_path, start_time=date_today, pid=pid)
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else:
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remote_ip = 'Web'
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log = Log(user=self.username, host=self.asset_name, remote_ip=remote_ip,
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log_path=log_file_path, start_time=date_today, pid=0)
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log.save()
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log.pid = log.id
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log.save()
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log_file_f.write('Start at %s\n' % datetime.datetime.now())
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return log_file_f, log_time_f, log
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def get_connect_info(self):
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"""
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获取需要登陆的主机的信息和映射用户的账号密码
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"""
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# 1. get ip, port
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# 2. get 映射用户
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# 3. get 映射用户的账号，密码或者key
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# self.connect_info = {'user': '', 'asset': '', 'ip': '', 'port': 0, 'role_name': '', 'role_pass': '', 'role_key': ''}
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self.connect_info = {'user': 'a', 'asset': 'b', 'ip': '127.0.0.1', 'port': 22, 'role_name': 'root', 'role_pass': '', 'role_key': '/root/.ssh/id_rsa.bak'}
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return self.connect_info
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def get_connection(self):
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"""
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获取连接成功后的ssh
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"""
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connect_info = self.get_connect_info()
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# 发起ssh连接请求 Make a ssh connection
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ssh = paramiko.SSHClient()
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ssh.load_system_host_keys()
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ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
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try:
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if connect_info.get('role_pass'):
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ssh.connect(connect_info.get('ip'),
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port=connect_info.get('port'),
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username=connect_info.get('role_name'),
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password=connect_info.get('role_pass'),
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look_for_keys=False)
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else:
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ssh.connect(connect_info.get('ip'),
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port=connect_info.get('port'),
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username=connect_info.get('role_name'),
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key_filename=connect_info.get('role_key'),
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look_for_keys=False)
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except paramiko.ssh_exception.AuthenticationException, paramiko.ssh_exception.SSHException:
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raise ServerError('认证失败 Authentication Error.')
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except socket.error:
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raise ServerError('端口可能不对 Connect SSH Socket Port Error, Please Correct it.')
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else:
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self.ssh = ssh
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return ssh
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class SshTty(Tty):
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"""
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A virtual tty class
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一个虚拟终端类，实现连接ssh和记录日志
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"""
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@staticmethod
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def get_win_size():
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"""
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This function use to get the size of the windows!
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获得terminal窗口大小
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"""
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if 'TIOCGWINSZ' in dir(termios):
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TIOCGWINSZ = termios.TIOCGWINSZ
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else:
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TIOCGWINSZ = 1074295912L
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s = struct.pack('HHHH', 0, 0, 0, 0)
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x = fcntl.ioctl(sys.stdout.fileno(), TIOCGWINSZ, s)
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return struct.unpack('HHHH', x)[0:2]
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def set_win_size(self, sig, data):
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"""
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This function use to set the window size of the terminal!
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设置terminal窗口大小
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"""
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try:
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win_size = self.get_win_size()
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self.channel.resize_pty(height=win_size[0], width=win_size[1])
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except Exception:
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pass
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def posix_shell(self):
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"""
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Use paramiko channel connect server interactive.
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使用paramiko模块的channel，连接后端，进入交互式
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"""
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log_file_f, log_time_f, log = self.get_log()
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old_tty = termios.tcgetattr(sys.stdin)
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pre_timestamp = time.time()
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data = ''
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input_mode = False
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try:
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tty.setraw(sys.stdin.fileno())
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tty.setcbreak(sys.stdin.fileno())
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self.channel.settimeout(0.0)
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while True:
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try:
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r, w, e = select.select([self.channel, sys.stdin], [], [])
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except Exception:
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pass
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if self.channel in r:
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try:
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x = self.channel.recv(1024)
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if len(x) == 0:
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break
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sys.stdout.write(x)
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sys.stdout.flush()
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now_timestamp = time.time()
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log_time_f.write('%s %s\n' % (round(now_timestamp-pre_timestamp, 4), len(x)))
|
|
|
log_file_f.write(x)
|
|
|
pre_timestamp = now_timestamp
|
|
|
log_file_f.flush()
|
|
|
log_time_f.flush()
|
|
|
|
|
|
if input_mode and not self.is_output(x):
|
|
|
data += x
|
|
|
|
|
|
except socket.timeout:
|
|
|
pass
|
|
|
|
|
|
if sys.stdin in r:
|
|
|
x = os.read(sys.stdin.fileno(), 1)
|
|
|
input_mode = True
|
|
|
|
|
|
if str(x) in ['\r', '\n', '\r\n']:
|
|
|
data = self.deal_command(data, self.ssh)
|
|
|
|
|
|
TtyLog(log=log, datetime=datetime.datetime.now(), cmd=data).save()
|
|
|
data = ''
|
|
|
input_mode = False
|
|
|
|
|
|
if len(x) == 0:
|
|
|
break
|
|
|
self.channel.send(x)
|
|
|
|
|
|
finally:
|
|
|
termios.tcsetattr(sys.stdin, termios.TCSADRAIN, old_tty)
|
|
|
log_file_f.write('End time is %s' % datetime.datetime.now())
|
|
|
log_file_f.close()
|
|
|
log.is_finished = True
|
|
|
log.end_time = datetime.datetime.now()
|
|
|
log.save()
|
|
|
|
|
|
def connect(self):
|
|
|
"""
|
|
|
Connect server.
|
|
|
连接服务器
|
|
|
"""
|
|
|
ps1 = "PS1='[\u@%s \W]\$ '\n" % self.ip
|
|
|
login_msg = "clear;echo -e '\\033[32mLogin %s done. Enjoy it.\\033[0m'\n" % self.ip
|
|
|
|
|
|
# 发起ssh连接请求 Make a ssh connection
|
|
|
ssh = self.get_connection()
|
|
|
|
|
|
# 获取连接的隧道并设置窗口大小 Make a channel and set windows size
|
|
|
global channel
|
|
|
win_size = self.get_win_size()
|
|
|
self.channel = channel = ssh.invoke_shell(height=win_size[0], width=win_size[1], term='xterm')
|
|
|
try:
|
|
|
signal.signal(signal.SIGWINCH, self.set_win_size)
|
|
|
except:
|
|
|
pass
|
|
|
|
|
|
# 设置PS1并提示 Set PS1 and msg it
|
|
|
#channel.send(ps1)
|
|
|
#channel.send(login_msg)
|
|
|
# channel.send('echo ${SSH_TTY}\n')
|
|
|
# global SSH_TTY
|
|
|
# while not channel.recv_ready():
|
|
|
# time.sleep(1)
|
|
|
# tmp = channel.recv(1024)
|
|
|
#print 'ok'+tmp+'ok'
|
|
|
# SSH_TTY = re.search(r'(?<=/dev/).*', tmp).group().strip()
|
|
|
# SSH_TTY = ''
|
|
|
channel.send('clear\n')
|
|
|
# Make ssh interactive tunnel
|
|
|
self.posix_shell()
|
|
|
|
|
|
# Shutdown channel socket
|
|
|
channel.close()
|
|
|
ssh.close()
|
|
|
|
|
|
def execute(self, cmd):
|
|
|
"""
|
|
|
execute cmd on the asset
|
|
|
执行命令
|
|
|
"""
|
|
|
pass
|
|
|
|
|
|
|
|
|
def print_prompt():
|
|
|
"""
|
|
|
Print prompt
|
|
|
打印提示导航
|
|
|
"""
|
|
|
msg = """\033[1;32m### Welcome Use JumpServer To Login. ### \033[0m
|
|
|
1) Type \033[32mIP or Part IP, Host Alias or Comments \033[0m To Login.
|
|
|
2) Type \033[32mP/p\033[0m To Print The Servers You Available.
|
|
|
3) Type \033[32mG/g\033[0m To Print The Server Groups You Available.
|
|
|
4) Type \033[32mG/g(1-N)\033[0m To Print The Server Group Hosts You Available.
|
|
|
5) Type \033[32mE/e\033[0m To Execute Command On Several Servers.
|
|
|
6) Type \033[32mQ/q\033[0m To Quit.
|
|
|
"""
|
|
|
print textwrap.dedent(msg)
|
|
|
|
|
|
|
|
|
def main():
|
|
|
"""
|
|
|
he he
|
|
|
主程序
|
|
|
"""
|
|
|
if not login_user: # 判断用户是否存在
|
|
|
color_print(u'没有该用户，或许你是以root运行的 No that user.', exits=True)
|
|
|
|
|
|
print_prompt()
|
|
|
gid_pattern = re.compile(r'^g\d+$')
|
|
|
|
|
|
try:
|
|
|
while True:
|
|
|
try:
|
|
|
option = raw_input("\033[1;32mOpt or IP>:\033[0m ")
|
|
|
except EOFError:
|
|
|
print_prompt()
|
|
|
continue
|
|
|
except KeyboardInterrupt:
|
|
|
sys.exit(0)
|
|
|
if option in ['P', 'p']:
|
|
|
login_user.get_asset_info(printable=True)
|
|
|
continue
|
|
|
elif option in ['G', 'g']:
|
|
|
login_user.get_asset_group_info(printable=True)
|
|
|
continue
|
|
|
elif gid_pattern.match(option):
|
|
|
gid = option[1:].strip()
|
|
|
asset_group = get_object(AssetGroup, id=gid)
|
|
|
if asset_group and asset_group.is_permed(user=login_user):
|
|
|
asset_group.get_asset_info(printable=True)
|
|
|
continue
|
|
|
elif option in ['E', 'e']:
|
|
|
# exec_cmd_servers(login_name)
|
|
|
pass
|
|
|
elif option in ['Q', 'q', 'exit']:
|
|
|
sys.exit()
|
|
|
else:
|
|
|
try:
|
|
|
verify_connect(login_user, option)
|
|
|
except ServerError, e:
|
|
|
color_print(e, 'red')
|
|
|
except IndexError:
|
|
|
pass
|
|
|
|
|
|
if __name__ == '__main__':
|
|
|
main()
|
|
|
|
|
|
|
