from operator import setitem
from os import path
from shlex import quote
-from sys import stderr
+from sys import stderr, platform
from binascii import a2b_base64, b2a_base64
-from urllib.parse import urlparse
+from urllib.parse import urlparse, urlencode
gi.require_version('Gtk', '3.0')
gi.require_version('WebKit2', '4.0')
Gtk.main_quit()
def parse_args(args = None):
+ pf2clientos = dict(linux='Linux', darwin='Mac', win32='Windows', cygwin='Windows')
+ clientos2ocos = dict(Linux='linux-64', Mac='mac-intel', Windows='win')
+ default_clientos = pf2clientos.get(platform, 'Windows')
+
p = argparse.ArgumentParser()
p.add_argument('server', help='GlobalProtect server (portal or gateway)')
p.add_argument('--no-verify', dest='verify', action='store_false', default=True, help='Ignore invalid server certificate')
x.add_argument('-K', '--no-cookies', dest='cookies', action='store_const', const=None,
help="Don't use or store cookies at all")
x = p.add_mutually_exclusive_group()
- x.add_argument('-p','--portal', dest='portal', action='store_true', help='SAML auth to portal')
- x.add_argument('-g','--gateway', dest='portal', action='store_false', help='SAML auth to gateway (default)')
+ x.add_argument('-p','--portal', dest='interface', action='store_const', const='portal', default='gateway',
+ help='SAML auth to portal')
+ x.add_argument('-g','--gateway', dest='interface', action='store_const', const='gateway',
+ help='SAML auth to gateway (default)')
g = p.add_argument_group('Client certificate')
g.add_argument('-c','--cert', help='PEM file containing client certificate (and optionally private key)')
g.add_argument('--key', help='PEM file containing client private key (if not included in same file as certificate)')
g = p.add_argument_group('Debugging and advanced options')
- g.add_argument('-v','--verbose', default=0, action='count')
+ x = p.add_mutually_exclusive_group()
+ x.add_argument('-v','--verbose', default=1, action='count', help='Increase verbosity of explanatory output to stderr')
+ x.add_argument('-q','--quiet', dest='verbose', action='store_const', const=0, help='Reduce verbosity to a minimum')
g.add_argument('-x','--external', action='store_true', help='Launch external browser (for debugging)')
g.add_argument('-u','--uri', action='store_true', help='Treat server as the complete URI of the SAML entry point, rather than GlobalProtect server')
+ g.add_argument('--clientos', choices=set(pf2clientos.values()), default=default_clientos, help="clientos value to send (default is %(default)s)")
p.add_argument('extra', nargs='*', help='Extra form field(s) to pass to include in the login query string (e.g. "magic-cookie-value=deadbeef01234567")')
args = p.parse_args(args = None)
+ args.ocos = clientos2ocos[args.clientos]
args.extra = dict(x.split('=', 1) for x in args.extra)
if args.cookies:
s.headers['User-Agent'] = 'PAN GlobalProtect'
s.cert = args.cert
+ if2prelogin = {'portal':'global-protect/prelogin.esp','gateway':'ssl-vpn/prelogin.esp'}
+ if2auth = {'portal':'global-protect/getconfig.esp','gateway':'ssl-vpn/login.esp'}
+
# query prelogin.esp and parse SAML bits
if args.uri:
sam, uri, html = 'URI', args.server, None
else:
- endpoint = 'https://{}/{}/prelogin.esp'.format(args.server, ('global-protect' if args.portal else 'ssl-vpn'))
+ endpoint = 'https://{}/{}'.format(args.server, if2prelogin[args.interface])
+ data = {'tmp':'tmp', 'kerberos-support':'yes', 'ipv6-support':'yes', 'clientVer':4100, 'clientos':args.clientos, **args.extra}
if args.verbose:
print("Looking for SAML auth tags in response to %s..." % endpoint, file=stderr)
try:
- res = s.post(endpoint, verify=args.verify, data=args.extra)
+ res = s.post(endpoint, verify=args.verify, data=data)
except Exception as ex:
rootex = ex
while True:
else:
raise
xml = ET.fromstring(res.content)
+ if xml.tag != 'prelogin-response':
+ p.error("This does not appear to be a GlobalProtect prelogin response\nCheck in browser: {}?{}".format(endpoint, urlencode(data)))
sam = xml.find('saml-auth-method')
sr = xml.find('saml-request')
if sam is None or sr is None:
- p.error("This does not appear to be a SAML prelogin response (<saml-auth-method> or <saml-request> tags missing)")
+ p.error("{} prelogin response does not contain SAML tags (<saml-auth-method> or <saml-request> missing)\n\n"
+ "Things to try:\n"
+ "1) Spoof an officially supported OS (e.g. --clientos=Windows or --clientos=Mac)\n"
+ "2) Check in browser: {}?{}".format(args.interface.title(), endpoint, urlencode(data)))
sam = sam.text
sr = a2b_base64(sr.text).decode()
if sam == 'POST':
# extract response and convert to OpenConnect command-line
un = slv.saml_result.get('saml-username')
server = slv.saml_result.get('server', args.server)
- for cn in ('prelogin-cookie', 'portal-userauthcookie'):
+
+ for cn, ifh in (('prelogin-cookie','gateway'), ('portal-userauthcookie','portal')):
cv = slv.saml_result.get(cn)
if cv:
break
else:
- cn = None
+ cn = ifh = None
+ p.error("Didn't get an expected cookie. Something went wrong.")
- fullpath = ('/global-protect/getconfig.esp' if args.portal else '/ssl-vpn/login.esp')
- shortpath = ('portal' if args.portal else 'gateway')
if args.verbose:
+ # Warn about ambiguities
+ if server != args.server and not args.uri:
+ print('''IMPORTANT: During the SAML auth, you were redirected from {} to {1}. This probably '''
+ '''means you should specify {1} as the server for final connection, but we're not 100% '''
+ '''sure about this. You should probably try both.\n'''.format(args.server, server), file=stderr)
+ if ifh != args.interface and not args.uri:
+ print('''IMPORTANT: We started with SAML auth to the {} interface, but received a cookie '''
+ '''that's associated with the {} interface. You should probably try both.\n'''.format(args.interface, ifh),
+ file=stderr)
print('''\nSAML response converted to OpenConnect command line invocation:\n''', file=stderr)
- print(''' echo {} |\n openconnect --protocol=gp --user={} --usergroup={}:{} --passwd-on-stdin {}'''.format(
- quote(cv), quote(un), quote(shortpath), quote(cn), quote(server)), file=stderr)
+ print(''' echo {} |\n openconnect --protocol=gp --user={} --os={} --usergroup={}:{} --passwd-on-stdin {}'''.format(
+ quote(cv), quote(un), quote(args.ocos), quote(ifh), quote(cn), quote(server)), file=stderr)
print('''\nSAML response converted to test-globalprotect-login.py invocation:\n''', file=stderr)
- print(''' test-globalprotect-login.py --user={} -p '' \\\n https://{}{} {}={}\n'''.format(
- quote(un), quote(server), quote(fullpath), quote(cn), quote(cv)), file=stderr)
-
+ print(''' test-globalprotect-login.py --user={} --clientos={} -p '' \\\n https://{}/{} {}={}\n'''.format(
+ quote(un), quote(args.clientos), quote(server), quote(if2auth[ifh]), quote(cn), quote(cv)), file=stderr)
varvals = {
- 'HOST': quote('https://%s/%s:%s' % (server, shortpath, cn)),
- 'USER': quote(un), 'COOKIE': quote(cv),
+ 'HOST': quote('https://%s/%s:%s' % (server, if2auth[args.interface], cn)),
+ 'USER': quote(un), 'COOKIE': quote(cv), 'OS': quote(args.ocos),
}
print('\n'.join('%s=%s' % pair for pair in varvals.items()))
projects / nu-vpn-proxy.git / blobdiff