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https://salsa.debian.org/freeipa-team/freeipa.git
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102 lines
3.2 KiB
Python
102 lines
3.2 KiB
Python
# Authors:
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# Pavel Zuna <pzuna@redhat.com>
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#
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# Copyright (C) 2009 Red Hat
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# see file 'COPYING' for use and warranty information
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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Password migration script
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"""
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import cgi
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import errno
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import glob
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import ldap
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import wsgiref
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BASE_DN = ''
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LDAP_URI = 'ldaps://localhost:636'
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def wsgi_redirect(start_response, loc):
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start_response('302 Found', [('Location', loc)])
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return []
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def get_ui_url(environ):
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full_url = wsgiref.util.request_uri(environ)
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index = full_url.rfind(environ.get('SCRIPT_NAME',''))
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if index == -1:
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raise ValueError('Cannot strip the script URL from full URL "%s"' % full_url)
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return full_url[:index] + "/ipa/ui"
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def get_base_dn():
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"""
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Retrieve LDAP server base DN.
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"""
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if BASE_DN:
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return BASE_DN
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try:
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conn = ldap.initialize(LDAP_URI)
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conn.simple_bind_s('', '')
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entries = conn.search_ext_s(
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'', scope=ldap.SCOPE_BASE, attrlist=['namingcontexts']
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)
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except ldap.LDAPError:
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return ''
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conn.unbind_s()
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try:
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return entries[0][1]['namingcontexts'][0]
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except (IndexError, KeyError):
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return ''
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def bind(username, password):
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base_dn = get_base_dn()
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if not base_dn:
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raise IOError(errno.EIO, 'Cannot get Base DN')
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bind_dn = 'uid=%s,cn=users,cn=accounts,%s' % (username, base_dn)
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try:
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conn = ldap.initialize(LDAP_URI)
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conn.simple_bind_s(bind_dn, password)
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except (ldap.INVALID_CREDENTIALS, ldap.UNWILLING_TO_PERFORM,
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ldap.NO_SUCH_OBJECT):
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raise IOError(errno.EPERM, 'Invalid LDAP credentials for user %s' % username)
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except ldap.LDAPError:
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raise IOError(errno.EIO, 'Bind error')
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conn.unbind_s()
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def application(environ, start_response):
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if environ.get('REQUEST_METHOD', None) != 'POST':
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return wsgi_redirect(start_response, 'index.html')
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form_data = cgi.FieldStorage(fp=environ['wsgi.input'], environ=environ)
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if not form_data.has_key('username') or not form_data.has_key('password'):
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return wsgi_redirect(start_response, 'invalid.html')
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slapd_sockets = glob.glob('/var/run/slapd-*.socket')
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if slapd_sockets:
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LDAP_URI = 'ldapi://%s' % slapd_sockets[0].replace('/', '%2f')
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try:
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bind(form_data['username'].value, form_data['password'].value)
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except IOError as err:
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if err.errno == errno.EPERM:
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return wsgi_redirect(start_response, 'invalid.html')
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if err.errno == errno.EIO:
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return wsgi_redirect(start_response, 'error.html')
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ui_url = get_ui_url(environ)
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return wsgi_redirect(start_response, ui_url)
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