/usr/share/rhn/up2date_client/rhncli.py is in rhn-client-tools 1.8.26-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Common cli related functions for RHN Client Tools
# Copyright (c) 1999--2012 Red Hat, Inc.
#
# This software is licensed to you under the GNU General Public License,
# version 2 (GPLv2). There is NO WARRANTY for this software, express or
# implied, including the implied warranties of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2
# along with this software; if not, see
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
#
# Red Hat trademarks are not licensed under GPLv2. No permission is
# granted to use or replicate Red Hat trademarks that are incorporated
# in this software or its documentation.
#
# Authors:
# Adrian Likins <alikins@redhat.com>
# Preston Brown <pbrown@redhat.com>
# James Bowes <jbowes@redhat.com>
#
# In addition, as a special exception, the copyright holders give
# permission to link the code of portions of this program with the
# OpenSSL library under certain conditions as described in each
# individual source file, and distribute linked combinations
# including the two.
# You must obey the GNU General Public License in all respects
# for all of the code used other than OpenSSL. If you modify
# file(s) with this exception, you may extend this exception to your
# version of the file(s), but you are not obligated to do so. If you
# do not wish to do so, delete this exception statement from your
# version. If you delete this exception statement from all source
# files in the program, then also delete it here.
import sys
import os
import xmlrpclib
import socket
from optparse import Option
from optparse import OptionParser
from OpenSSL import SSL
from OpenSSL import crypto
from rhn import rpclib
import gettext
t = gettext.translation('rhn-client-tools', fallback=True)
_ = t.ugettext
sys.path.append("/usr/share/rhn/")
from up2date_client import config
from up2date_client import up2dateAuth
from up2date_client import up2dateErrors
from up2date_client import up2dateLog
from up2date_client import up2dateUtils
from up2date_client import pkgUtils
def utf8_encode(msg):
""" python 2.6- (i.e. RHEL6 and older) could not write unicode to stderr,
encode it to utf-8.
"""
if isinstance(msg, unicode):
msg = msg.encode('utf-8')
return(msg)
_optionsTable = [
Option("-v", "--verbose", action="count", default=0,
help=_("Show additional output")),
Option("--proxy", action="store",
help=_("Specify an http proxy to use")),
Option("--proxyUser", action="store",
help=_("Specify a username to use with an authenticated http proxy")),
Option("--proxyPassword", action="store",
help=_("Specify a password to use with an authenticated http proxy")),
]
class RhnCli(object):
def __init__(self):
self.optparser = OptionParser(option_list = _optionsTable,
version = RhnCli.__versionString())
self.options = None
self.args = None
self.hasGui = False
def run(self):
# catch any uncaught exceptions and handle them nicely
sys.excepthook = exceptionHandler
# main loop call
try:
self.initialize()
sys.exit(self.main() or 0)
except KeyboardInterrupt:
sys.stderr.write(utf8_encode(_("\nAborted.\n")))
sys.exit(1)
except OSError, e:
sys.stderr.write(utf8_encode(_("An unexpected OS error occurred: %s\n") % e))
sys.exit(1)
except rpclib.MalformedURIError, e: # Subclass of IOError so must come 1st?
if e is None or len(str(e)) == 0:
sys.stderr.write(utf8_encode(_("A connection was attempted with a malformed URI.\n")))
else:
sys.stderr.write(utf8_encode(_("A connection was attempted with a malformed URI: %s.\n") % e))
except IOError, e:
sys.stderr.write(utf8_encode(_("There was some sort of I/O error: %s\n") % e))
sys.exit(1)
except SSL.Error, e:
sys.stderr.write(utf8_encode(_("There was an SSL error: %s\n") % e))
sys.stderr.write(utf8_encode(_("A common cause of this error is the system time being incorrect. " \
"Verify that the time on this system is correct.\n")))
sys.exit(1)
except (SSL.SysCallError, socket.error), e:
sys.stderr.write(utf8_encode("OpenSSL.SSL.SysCallError: %s\n" % str(e)))
sys.exit(2)
except crypto.Error, e:
sys.stderr.write(utf8_encode(_("There was a SSL crypto error: %s\n") % e))
except SystemExit, e:
raise
except up2dateErrors.AuthenticationError, e:
sys.stderr.write(utf8_encode(_("There was an authentication error: %s\n") % e))
sys.exit(1)
except up2dateErrors.RpmError, e:
sys.stderr.write(utf8_encode("%s\n" % e))
sys.exit(1)
except xmlrpclib.ProtocolError, e:
sys.stderr.write(utf8_encode("XMLRPC ProtocolError: %s\n" % str(e)))
sys.exit(3)
def initialize(self):
(self.options, self.args) = self.optparser.parse_args()
RhnCli.__setDebugLevel(self.options.verbose)
# see if were running as root
if os.geteuid() != 0:
rootWarningMsg = _("You must be root to run %s") % sys.argv[0]
self._warning_dialog(rootWarningMsg)
sys.exit(1)
self.__updateProxyConfig()
def main(self):
raise NotImplementedError
def _testRhnLogin(self):
try:
up2dateAuth.updateLoginInfo()
return True
except up2dateErrors.ServerCapabilityError, e:
print e
return False
except up2dateErrors.AuthenticationError, e:
return False
except up2dateErrors.RhnServerException, e:
log = up2dateLog.initLog()
log.log_me('There was a RhnServerException while testing login:\n')
log.log_exception(*sys.exc_info())
return False
def _warning_dialog(self, message):
if self.hasGui:
try:
from up2date_client import gui
gui.errorWindow(message)
except:
print _("Unable to open gui. Try `up2date --nox`")
print message
else:
print message
def __updateProxyConfig(self):
"""Update potential proxy configuration.
Note: this will _not_ save the info to up2date's configuration file
A separate call to config.initUp2dateConfig.save() is needed.
"""
cfg = config.initUp2dateConfig()
if self.options.proxy:
cfg.set("httpProxy", self.options.proxy)
cfg.set("enableProxy", 1)
if self.options.proxyUser:
cfg.set("proxyUser", self.options.proxyUser)
cfg.set("enableProxyAuth", 1)
if self.options.proxyPassword:
cfg.set("proxyPassword", self.options.proxyPassword)
cfg.set("enableProxyAuth", 1)
def saveConfig(self):
"""
Saves the current up2date configuration being used to disk.
"""
cfg = config.initUp2dateConfig()
cfg.save()
def __faultError(self, errMsg):
if self.hasGui:
try:
from up2date_client import gui
gui.errorWindow(errMsg)
except:
print _("Unable to open gui. Try `up2date --nox`")
print errMsg
else:
print errMsg
@staticmethod
def __versionString():
versionString = _("%%prog (Red Hat Network Client Tools) %s\n"
"Copyright (C) 1999--2012 Red Hat, Inc.\n"
"Licensed under the terms of the GPLv2.") % up2dateUtils.version()
return versionString
@staticmethod
def __setDebugLevel(level):
cfg = config.initUp2dateConfig()
# figure out the debug level
cfg["debug"] = cfg["debug"] + level
if cfg["debug"] > 2:
pkgUtils.setDebugVerbosity()
def exceptionHandler(type, value, tb):
log = up2dateLog.initLog()
sys.stderr.write(utf8_encode(_("An error has occurred:") + "\n"))
if hasattr(value, "errmsg"):
sys.stderr.write(utf8_encode(value.errmsg) + "\n")
log.log_exception(type, value, tb)
else:
sys.stderr.write(utf8_encode(str(type) + "\n"))
log.log_exception(type, value, tb)
sys.stderr.write(utf8_encode(_("See /var/log/up2date for more information") + "\n"))
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