collective/nu-vpn-proxy
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assume server from which we received SAML results is the right one for final GP authentication

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Should fix https://gitlab.com/openconnect/openconnect/issues/97

In particular: https://gitlab.com/openconnect/openconnect/issues/97#note_276932462
This commit is contained in:
Daniel Lenski 2020-01-25 17:05:39 -08:00
parent ef2bfa6b56
commit 8ca97e5bdb
1 changed files with 9 additions and 6 deletions
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15
gp-saml-gui.py
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@ -13,6 +13,7 @@ from os import path
from shlex import quote
from sys import stderr
from binascii import a2b_base64, b2a_base64
from urllib.parse import urlparse
gi.require_version('Gtk', '3.0')
gi.require_version('WebKit2', '4.0')
@ -88,10 +89,11 @@ class SAMLLoginView:
return
mr = webview.get_main_resource()
uri = mr.get_uri()
rs = mr.get_response()
h = rs.get_http_headers()
if self.verbose:
print('[PAGE ] Finished loading page %s' % mr.get_uri(), file=stderr)
print('[PAGE ] Finished loading page %s' % uri, file=stderr)
if not h:
return
@ -99,7 +101,7 @@ class SAMLLoginView:
d = {}
h.foreach(lambda k, v: setitem(d, k, v))
# filter to interesting headers
fd = {name:v for name, v in d.items() if name.startswith('saml-') or name in ('location', 'prelogin-cookie', 'portal-userauthcookie')}
fd = {name:v for name, v in d.items() if name.startswith('saml-') or name in ('prelogin-cookie', 'portal-userauthcookie')}
if fd and self.verbose:
print("[SAML ] Got SAML result headers: %r" % fd, file=stderr)
if self.verbose > 1:
@ -108,7 +110,7 @@ class SAMLLoginView:
mr.get_data(None, self.log_resource_text, ct[0], ct.params.get('charset'), d)
# check if we're done
self.saml_result.update(fd)
self.saml_result.update(fd, server=urlparse(uri).netloc)
GLib.timeout_add(1000, self.check_done)
def check_done(self):
@ -223,6 +225,7 @@ if __name__ == "__main__":
# 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'):
cv = slv.saml_result.get(cn)
if cv:
@ -235,14 +238,14 @@ if __name__ == "__main__":
if args.verbose:
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(args.server)), file=stderr)
quote(cv), quote(un), quote(shortpath), 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(args.server), quote(fullpath), quote(cn), quote(cv)), file=stderr)
quote(un), quote(server), quote(fullpath), quote(cn), quote(cv)), file=stderr)
varvals = {
'HOST': quote('https://%s/%s:%s' % (args.server, shortpath, cn)),
'HOST': quote('https://%s/%s:%s' % (server, shortpath, cn)),
'USER': quote(un), 'COOKIE': quote(cv),
}
print('\n'.join('%s=%s' % pair for pair in varvals.items()))