From: Daniel Lenski <dlenski@gmail.com>
Date: Wed, 13 May 2020 20:09:10 +0000 (-0700)
Subject: have test-globalprotect-login.py suggest a new invocation of itself (gateway login... 
X-Git-Url: https://code.communitydata.science/nu-vpn-proxy.git/commitdiff_plain/47b2c41af77f699b745dbfc2c4a870b10a08b39e?hp=-c

have test-globalprotect-login.py suggest a new invocation of itself (gateway login) after a successful portal getconfig

Based on cookies suggested by @yuezk at https://gitlab.com/openconnect/openconnect/-/merge_requests/109
---

47b2c41af77f699b745dbfc2c4a870b10a08b39e
diff --git a/test-globalprotect-login.py b/test-globalprotect-login.py
index f964a83..74a8605 100755
--- a/test-globalprotect-login.py
+++ b/test-globalprotect-login.py
@@ -17,6 +17,7 @@ import posixpath
 from binascii import a2b_base64
 from tempfile import NamedTemporaryFile
 from shlex import quote
+from itertools import chain
 
 clientos_map = dict(linux='Linux', darwin='Mac', win32='Windows', cygwin='Windows')
 default_clientos = clientos_map.get(platform, 'Windows')
@@ -31,7 +32,7 @@ g.add_argument('-p','--password', help='Password (will prompt if unspecified)')
 g.add_argument('-c','--cert', help='PEM file containing client certificate (and optionally private key)')
 g.add_argument('--computer', default=os.uname()[1], help="Computer name (default is `hostname`)")
 g.add_argument('--clientos', choices=set(clientos_map.values()), default=default_clientos, help="clientos value to send (default is %(default)s)")
-g.add_argument('--key', help='PEM file containing client private key (if not included in same file as certificate)')
+g.add_argument('-k','--key', help='PEM file containing client private key (if not included in same file as certificate)')
 p.add_argument('-b','--browse', action='store_true', help='Automatically spawn browser for SAML')
 p.add_argument('--no-verify', dest='verify', action='store_false', default=True, help='Ignore invalid server certificate')
 args = p.parse_args()
@@ -91,15 +92,16 @@ try:
 except Exception:
     xml = None
 
+if cert:
+    cert_and_key = '\\\n        ' + ' '.join('%s "%s"' % (opt, quote(fn)) for opt, fn in zip(('-c','-k'), cert) if fn) + ' \\\n'
+else:
+    cert_and_key = ''
+
 if xml is not None and xml.tag == 'jnlp':
     arguments = [(t.text or '') for t in xml.iter('argument')]
     arguments += [''] * (16-len(arguments))
     cookie = urlencode({'authcookie': arguments[1], 'portal': arguments[3], 'user': arguments[4], 'domain': arguments[7],
                         'computer': args.computer, 'preferred-ip': arguments[15]})
-    if cert:
-        cert_and_key = ' \\\n        ' + ' '.join('%s "%s"' % (opt, quote(fn)) for opt, fn in zip(('-c','-k'), cert) if fn)
-    else:
-        cert_and_key = ''
 
     print('''
 
@@ -131,6 +133,29 @@ elif xml is not None and xml.tag == 'prelogin-response' and None not in (xml.fin
         else:
             print("Got SAML REDIRECT to:\n\t%s" % sr)
 
+# if it's a portal config response, pass along to gateway
+
+elif xml is not None and xml.tag == 'policy':
+
+    uemail = xml.find('user-email')
+    if uemail: uemail = uemail.text
+    cookies = [(cn, xml.find(cn).text) for cn in ('portal-prelogonuserauthcookie', 'portal-userauthcookie')]
+    gateways = [(e.find('description').text, e.get('name')) for e in set(chain(xml.findall('gateways/external/list/entry'), xml.findall('gateways6/external/list/entry')))]
+
+    print('''\nPortal config response response converted to new test-globalprotect-login.py invocation for gateway login:\n'''
+          '''    test-globalprotect-login.py --user={} --clientos={} -p {} {}\\\n'''
+          '''        https://{}/ssl-vpn/login.esp \\\n'''
+          '''        {}\n'''.format(
+              quote(args.user), quote(args.clientos), quote(args.password), cert_and_key, quote(gateways[0][1]),
+              ' '.join(cn+'='+quote(cv) for cn, cv in cookies),
+              file=stderr))
+
+    if uemail and uemail != args.user:
+        print('''IMPORTANT: Portal config contained different username. You might need to try\n'''
+              '''{} instead.\n'''.format(uemail))
+    if len(gateways)>1:
+        print('''Received multiple gateways. Options include:\n    {}\n'''.format('\n    '.join('%s => %s' % (desc, host) for desc, host in gateways)))
+
 # Just print the result
 
 else: