3 from __future__ import print_function
4 from sys import stderr, version_info, platform
5 if (version_info >= (3, 0)):
6 from urllib.parse import urlparse, urlencode
9 from urlparse import urlparse
10 from urllib import urlencode
15 import xml.etree.ElementTree as ET
17 from binascii import a2b_base64
18 from tempfile import NamedTemporaryFile
19 from shlex import quote
21 clientos_map = dict(linux='Linux', darwin='Mac', win32='Windows', cygwin='Windows')
22 default_clientos = clientos_map.get(platform, 'Windows')
24 p = argparse.ArgumentParser()
25 p.add_argument('-v','--verbose', default=0, action='count')
26 p.add_argument('endpoint', help='GlobalProtect server; can append /ssl-vpn/login.esp (default) or /global-protect/getconfig.esp or /{ssl-vpn,global-protect}/prelogin.esp')
27 p.add_argument('extra', nargs='*', help='Extra field to pass to include in the login query string (e.g. "portal-userauthcookie=deadbeef01234567")')
28 g = p.add_argument_group('Login credentials')
29 g.add_argument('-u','--user', help='Username (will prompt if unspecified)')
30 g.add_argument('-p','--password', help='Password (will prompt if unspecified)')
31 g.add_argument('-c','--cert', help='PEM file containing client certificate (and optionally private key)')
32 g.add_argument('--computer', default=os.uname()[1], help="Computer name (default is `hostname`)")
33 g.add_argument('--clientos', choices=set(clientos_map.values()), default=default_clientos, help="clientos value to send (default is %(default)s)")
34 g.add_argument('--key', help='PEM file containing client private key (if not included in same file as certificate)')
35 p.add_argument('-b','--browse', action='store_true', help='Automatically spawn browser for SAML')
36 p.add_argument('--no-verify', dest='verify', action='store_false', default=True, help='Ignore invalid server certificate')
39 extra = dict(x.split('=', 1) for x in args.extra)
40 endpoint = urlparse(('https://' if '//' not in args.endpoint else '') + args.endpoint, 'https:')
42 print("Endpoint path unspecified: defaulting to /ssl-vpn/login.esp", file=stderr)
43 endpoint = endpoint._replace(path = '/ssl-vpn/login.esp')
44 prelogin = (posixpath.split(endpoint.path)[-1] == 'prelogin.esp')
46 if args.cert and args.key:
47 cert = (args.cert, args.key)
49 cert = (args.cert, None)
51 p.error('--key specified without --cert')
55 s = requests.Session()
56 s.headers['User-Agent'] = 'PAN GlobalProtect'
61 # sent by many clients but not known to have any effect
62 'tmp': 'tmp', 'clientVer': 4100, 'kerberos-support': 'yes', 'ipv6-support': 'yes',
63 # affects some clients' behavior (https://github.com/dlenski/gp-saml-gui/issues/6#issuecomment-599743060)
64 'clientos': args.clientos,
68 # same request params work for /global-protect/getconfig.esp as for /ssl-vpn/login.esp
70 args.user = raw_input('Username: ')
71 if args.password == None:
72 args.password = getpass.getpass('Password: ')
73 data=dict(user=args.user, passwd=args.password,
75 jnlpReady='jnlpReady', ok='Login', direct='yes',
76 # optional but might affect behavior
77 clientVer=4100, server=endpoint.netloc, prot='https:',
78 computer=args.computer,
80 res = s.post(endpoint.geturl(), verify=args.verify, data=data)
83 print("Request body:\n", res.request.body, file=stderr)
85 res.raise_for_status()
87 # build openconnect "cookie" if the result is a <jnlp>
90 xml = ET.fromstring(res.text)
94 if xml is not None and xml.tag == 'jnlp':
95 arguments = [(t.text or '') for t in xml.iter('argument')]
96 arguments += [''] * (16-len(arguments))
97 cookie = urlencode({'authcookie': arguments[1], 'portal': arguments[3], 'user': arguments[4], 'domain': arguments[7],
98 'computer': args.computer, 'preferred-ip': arguments[15]})
100 cert_and_key = ' \\\n ' + ' '.join('%s "%s"' % (opt, quote(fn)) for opt, fn in zip(('-c','-k'), cert) if fn)
106 Extracted connection cookie from <jnlp>. Use this to connect:
108 openconnect --protocol=gp --usergroup=gateway %s \\
110 ''' % (quote(endpoint.netloc), quote(cookie), cert_and_key), file=stderr)
112 # do SAML request if the result is <prelogin-response><saml...>
114 elif xml is not None and xml.tag == 'prelogin-response' and None not in (xml.find('saml-auth-method'), xml.find('saml-request')):
116 sam = xml.find('saml-auth-method').text
117 sr = a2b_base64(xml.find('saml-request').text)
119 with NamedTemporaryFile(delete=False, suffix='.html') as tf:
122 print("Got SAML POST, browsing to %s" % tf.name)
123 webbrowser.open('file://' + tf.name)
125 print("Got SAML POST, saved to:\n\t%s" % tf.name)
126 elif sam == 'REDIRECT':
129 print("Got SAML REDIRECT, browsing to %s" % sr)
132 print("Got SAML REDIRECT to:\n\t%s" % sr)
134 # Just print the result
138 print(res.headers, file=stderr)