晋太元中,武陵人捕鱼为业。缘溪行,忘路之远近。忽逢桃花林,夹岸数百步,中无杂树,芳草鲜美,落英缤纷。渔人甚异之,复前行,欲穷其林。 林尽水源,便得一山,山有小口,仿佛若有光。便舍船,从口入。初极狭,才通人。复行数十步,豁然开朗。土地平旷,屋舍俨然,有良田、美池、桑竹之属。阡陌交通,鸡犬相闻。其中往来种作,男女衣着,悉如外人。黄发垂髫,并怡然自乐。 见渔人,乃大惊,问所从来。具答之。便要还家,设酒杀鸡作食。村中闻有此人,咸来问讯。自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。问今是何世,乃不知有汉,无论魏晋。此人一一为具言所闻,皆叹惋。余人各复延至其家,皆出酒食。停数日,辞去。此中人语云:“不足为外人道也。”(间隔 一作:隔绝) 既出,得其船,便扶向路,处处志之。及郡下,诣太守,说如此。太守即遣人随其往,寻向所志,遂迷,不复得路。 南阳刘子骥,高尚士也,闻之,欣然规往。未果,寻病终。后遂无问津者。
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#!/usr/libexec/platform-python
'''Change passwords on the named machines. passmass host1 host2 host3 . . .
Note that login shell prompt on remote machine must end in # or $.
PEXPECT LICENSE
This license is approved by the OSI and FSF as GPL-compatible.
http://opensource.org/licenses/isc-license.txt
Copyright (c) 2012, Noah Spurrier <noah@noah.org>
PERMISSION TO USE, COPY, MODIFY, AND/OR DISTRIBUTE THIS SOFTWARE FOR ANY
PURPOSE WITH OR WITHOUT FEE IS HEREBY GRANTED, PROVIDED THAT THE ABOVE
COPYRIGHT NOTICE AND THIS PERMISSION NOTICE APPEAR IN ALL COPIES.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
'''
from __future__ import print_function
from __future__ import absolute_import
import pexpect
import sys, getpass
try:
raw_input
except NameError:
raw_input = input
USAGE = '''passmass host1 host2 host3 . . .'''
COMMAND_PROMPT = '[$#] '
TERMINAL_PROMPT = r'Terminal type\?'
TERMINAL_TYPE = 'vt100'
SSH_NEWKEY = r'Are you sure you want to continue connecting \(yes/no\)\?'
def login(host, user, password):
child = pexpect.spawn('ssh -l %s %s'%(user, host))
fout = file ("LOG.TXT","wb")
child.logfile_read = fout #use child.logfile to also log writes (passwords!)
i = child.expect([pexpect.TIMEOUT, SSH_NEWKEY, '[Pp]assword: '])
if i == 0: # Timeout
print('ERROR!')
print('SSH could not login. Here is what SSH said:')
print(child.before, child.after)
sys.exit (1)
if i == 1: # SSH does not have the public key. Just accept it.
child.sendline ('yes')
child.expect ('[Pp]assword: ')
child.sendline(password)
# Now we are either at the command prompt or
# the login process is asking for our terminal type.
i = child.expect (['Permission denied', TERMINAL_PROMPT, COMMAND_PROMPT])
if i == 0:
print('Permission denied on host:', host)
sys.exit (1)
if i == 1:
child.sendline (TERMINAL_TYPE)
child.expect (COMMAND_PROMPT)
return child
# (current) UNIX password:
def change_password(child, user, oldpassword, newpassword):
child.sendline('passwd')
i = child.expect(['[Oo]ld [Pp]assword', '.current.*password', '[Nn]ew [Pp]assword'])
# Root does not require old password, so it gets to bypass the next step.
if i == 0 or i == 1:
child.sendline(oldpassword)
child.expect('[Nn]ew [Pp]assword')
child.sendline(newpassword)
i = child.expect(['[Nn]ew [Pp]assword', '[Rr]etype', '[Rr]e-enter'])
if i == 0:
print('Host did not like new password. Here is what it said...')
print(child.before)
child.send (chr(3)) # Ctrl-C
child.sendline('') # This should tell remote passwd command to quit.
return
child.sendline(newpassword)
def main():
if len(sys.argv) <= 1:
print(USAGE)
return 1
user = raw_input('Username: ')
password = getpass.getpass('Current Password: ')
newpassword = getpass.getpass('New Password: ')
newpasswordconfirm = getpass.getpass('Confirm New Password: ')
if newpassword != newpasswordconfirm:
print('New Passwords do not match.')
return 1
for host in sys.argv[1:]:
child = login(host, user, password)
if child == None:
print('Could not login to host:', host)
continue
print('Changing password on host:', host)
change_password(child, user, password, newpassword)
child.expect(COMMAND_PROMPT)
child.sendline('exit')
if __name__ == '__main__':
main()