/usr/share/hplip/base/password.py is in hplip-data 3.14.3-0ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# (c) Copyright @ 2013 Hewlett-Packard Development Company, L.P.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Author: Amarnath Chitumalla
#
import os
import getpass
import cStringIO
import time
import string
from base import utils, tui, os_utils
from base.g import *
import pexpect
PASSWORD_RETRY_COUNT = 3
AUTH_TYPES ={'mepis':'su',
'debian':'su',
'suse':'su',
'mandriva':'su',
'fedora':'su',
'redhat':'su',
'rhel':'su',
'slackware':'su',
'gentoo':'su',
'redflag':'su',
'ubuntu':'sudo',
'xandros':'su',
'freebsd':'su',
'linspire':'su',
'ark':'su',
'pclinuxos':'su',
'centos':'su',
'igos':'su',
'linuxmint':'sudo',
'linpus':'sudo',
'gos':'sudo',
'boss':'su',
'lfs':'su',
}
# This function promts for the username and password and returns (username,password)
def showPasswordPrompt(prompt):
import getpass
print ""
print ""
print log.bold(prompt)
username = raw_input("Username: ")
password = getpass.getpass("Password: ")
return (username, password)
#TBD this function shoud be removed once distro class implemented
def get_distro_name():
os_name = None;
if utils.which('lsb_release'):
name = os.popen('lsb_release -i | cut -f 2')
os_name = name.read().strip()
name.close()
if not os_name:
name = os.popen("cat /etc/issue | awk '{print $1}' | head -n 1")
os_name = name.read().strip()
name.close()
if "redhatenterprise" in os_name.lower():
os_name = 'rhel'
elif "suse" in os_name.lower():
os_name = 'suse'
return os_name
class Password(object):
def __init__(self, Mode = INTERACTIVE_MODE):
self.__password =""
self.__passwordValidated = False
self.__mode = Mode
self.__readAuthType() #self.__authType
self.__expectList =[]
if not utils.to_bool(sys_conf.get('configure','qt4', '0')) and utils.to_bool(sys_conf.get('configure','qt3', '0')):
self.__ui_toolkit = 'qt3'
else:
self.__ui_toolkit = 'qt4'
for s in utils.EXPECT_WORD_LIST:
try:
p = re.compile(s, re.I)
except TypeError:
self.__expectList.append(s)
else:
self.__expectList.append(p)
##################### Private functions ######################
def __readAuthType(self):
#TBD: Getting distro name should get distro class
distro_name = get_distro_name().lower()
self.__authType = user_conf.get('authentication', 'su_sudo', '')
if self.__authType != "su" and self.__authType != "sudo":
try:
self.__authType = AUTH_TYPES[distro_name]
except KeyError:
log.warn("%s distro is not found in AUTH_TYPES"%distro_name)
self.__authType = 'su'
def __getPasswordDisplayString(self):
if self.__authType == "su":
return "Please enter the root/superuser password: "
else:
return "Please enter the sudoer (%s)'s password: " % os.getenv('USER')
def __changeAuthType(self):
if self.__authType == "sudo":
self.__authType = "su"
else:
self.__authType = "sudo"
user_conf.set('authentication', 'su_sudo', self.__authType)
def __get_password(self,pswd_msg=''):
if pswd_msg == '':
if self.__authType == "su":
pswd_msg = "Please enter the root/superuser password: "
else:
pswd_msg = "Please enter the sudoer (%s)'s password: " % os.getenv('USER')
return getpass.getpass(log.bold(pswd_msg))
def __get_password_ui(self,pswd_msg='', user ="root"):
if pswd_msg == '':
pswd_msg = "Your HP Device requires to install HP proprietary plugin\nPlease enter root/superuser password to continue"
if self.__ui_toolkit == "qt3":
from ui.setupform import showPasswordUI
username, password = showPasswordUI(pswd_msg, user, False)
else: #self.__ui_toolkit == "qt4" --> default qt4
from ui4.setupdialog import showPasswordUI
username, password = showPasswordUI(pswd_msg, user, False)
if username == "" and password == "":
raise Exception("User Cancel")
return password
def __password_check(self, cmd, timeout=1):
output = cStringIO.StringIO()
ok, ret = False, ''
try:
child = pexpect.spawn(cmd, timeout=timeout)
except pexpect.ExceptionPexpect:
return 1, ''
try:
try:
start = time.time()
while True:
update_spinner()
i = child.expect_list(self.__expectList)
cb = child.before
if cb:
# output
start = time.time()
log.log_to_file(cb)
log.debug(cb)
output.write(cb)
if i == 0: # EOF
ok, ret = True, output.getvalue()
break
elif i == 1: # TIMEOUT
continue
else: # password
child.sendline(self.__password)
except (Exception, pexpect.ExceptionPexpect):
log.exception()
finally:
cleanup_spinner()
try:
child.close()
except OSError:
pass
if ok:
return child.exitstatus, ret
else:
return 1, ''
def __validatePassword(self ,pswd_msg):
x = 1
while True:
if self.__mode == INTERACTIVE_MODE:
self.__password = self.__get_password(pswd_msg)
else:
if self.getAuthType() == 'su':
self.__password = self.__get_password_ui(pswd_msg, "root")
else:
self.__password = self.__get_password_ui(pswd_msg, os.getenv("USER"))
cmd = self.getAuthCmd() % "true"
log.debug(cmd)
status, output = self.__password_check(cmd)
log.debug("status = %s output=%s "%(status,output))
if self.__mode == GUI_MODE:
if self.__ui_toolkit == "qt4":
from ui4.setupdialog import FailureMessageUI
if self.__ui_toolkit == "qt3":
from ui.setupform import FailureMessageUI
if status == 0:
self.__passwordValidated = True
break
elif "not in the sudoers file" in output:
#TBD.. IF user doesn't have sudo permissions, needs to change to "su" type and query for password
self.__changeAuthType()
msg = "User doesn't have sudo permissions.\nChanging Authentication Type. Try again."
if self.__mode == GUI_MODE:
FailureMessageUI(msg)
else:
log.error(msg)
raise Exception("User is not in the sudoers file.")
else:
self.__password = ""
x += 1
if self.__mode == GUI_MODE:
if x > PASSWORD_RETRY_COUNT:
FailureMessageUI("Password incorrect. ")
return
else:
FailureMessageUI("Password incorrect. %d attempt(s) left." % (PASSWORD_RETRY_COUNT +1 -x ))
else:
if x > PASSWORD_RETRY_COUNT:
log.error("Password incorrect. ")
return
else:
log.error("Password incorrect. %d attempt(s) left." % (PASSWORD_RETRY_COUNT +1 -x ))
def __get_password_utils(self):
if self.__authType == "su":
AuthType, AuthCmd = 'su', 'su -c "%s"'
else:
AuthType, AuthCmd = 'sudo', 'sudo %s'
return AuthType, AuthCmd
def __get_password_utils_ui(self):
distro_name = get_distro_name().lower()
if self.__authType == "sudo":
AuthType, AuthCmd = 'sudo', 'sudo %s'
elif distro_name == 'rhel':
AuthType, AuthCmd = 'su', 'su -c "%s"'
else:
AuthType, AuthCmd = 'su', 'su - -c "%s"'
'''
if utils.which('kdesu'):
AuthType, AuthCmd = 'kdesu', 'kdesu -- %s'
elif utils.which('kdesudo'):
AuthType, AuthCmd = 'kdesudo', 'kdesudo -- %s'
elif utils.which('gnomesu'):
AuthType, AuthCmd = 'gnomesu', 'gnomesu -c "%s"'
elif utils.which('gksu'):
AuthType, AuthCmd = 'gksu' , 'gksu "%s"'
'''
return AuthType, AuthCmd
##################### Public functions ######################
def clearPassword(self):
log.debug("Clearing password...")
self.__password =""
self.__passwordValidated = False
if self.__authType == 'sudo':
os_utils.execute("sudo -K")
def getAuthType(self):
if self.__mode == INTERACTIVE_MODE:
retValue = self.__authType
else:
retValue, AuthCmd = self.__get_password_utils_ui()
return retValue
def getAuthCmd(self):
if self.__mode == INTERACTIVE_MODE:
AuthType, AuthCmd = self.__get_password_utils()
else:
AuthType, AuthCmd = self.__get_password_utils_ui()
return AuthCmd
def getPassword(self, pswd_msg='', psswd_queried_cnt = 0):
if self.__passwordValidated:
return self.__password
if psswd_queried_cnt:
return self.__password
self.__validatePassword( pswd_msg)
return self.__password
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