IndexError: list index out of range when executing about juniper-vpn-py HOT 19 OPEN

Can you do an import json and then do a json.dumps(msg_decoded, indent=4)?

On Tue, Mar 22, 2016 at 1:19 PM, aszhiak [email protected] wrote:

Hello I'm trying to execute the script to connect to my work vpn and shows
the following error:
------------>8------------------
Traceback (most recent call last):
File "./juniper-vpn.py", line 284, in
jvpn.run()
File "./juniper-vpn.py", line 123, in run
self.action_tncc()
File "./juniper-vpn.py", line 143, in action_tncc
self.cj.set_cookie(t.get_cookie(dspreauth_cookie, dssignin_cookie))
File "/home/aobigdata/Downloads/juniper-vpn-py-master/tncc.py", line 242,
in get_cookie
data = self.get_msg_contents(response['msg'])
File "/home/aobigdata/Downloads/juniper-vpn-py-master/tncc.py", line 187,
in get_msg_contents
compressed = msg_decoded[0x0ce4][0][0x0ce7][0]
IndexError: list index out of range
Terminated
--------------8<------------------------
I'm using Ubuntu 15 with python 2.7.10 any help with this?

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#13

from juniper-vpn-py.

Thank you for your reply, I'm sysadmin and I dont know so much about python programming, when i'm trying to do what you say, I'm not able to because the python shell closes after the execution of the script, I tried with subprocess.Popen and os.system from python shell and also doing a script, but the error just closes python without executing the json.dumps.. what can I do?

from juniper-vpn-py.

Put the import line with the other imports, and put the dumps line on the
line before the error.

On Wed, Mar 23, 2016 at 3:28 AM, aszhiak [email protected] wrote:

Thank you for your reply, I'm sysadmin and I dont know so much about
python programming, when i'm trying to do what you say, I'm not able to
because the python shell closes after the execution of the script, I tried
with subprocess.Popen and os.system from python shell and also doing a
script, but the error just closes python without executing the json.dumps..
what can I do?

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#13 (comment)

from juniper-vpn-py.

Sorry, forget about the popen thing. Try this script:

https://gist.github.com/russdill/2052a68801bb09925c77

But rather than running it directly, let openconnect run it with
--csd-wrapper tncc.py --user-agent "Mozilla/5.0 (X11; U; Linux i686; en-US;
rv:1.9.0.1) Gecko/2008071615 Fedora/3.0.1-1.fc9 Firefox/3.0.1" --juniper

This will make it easy to see the output of the script.

On Wed, Mar 23, 2016 at 3:28 AM, aszhiak [email protected] wrote:

Thank you for your reply, I'm sysadmin and I dont know so much about
python programming, when i'm trying to do what you say, I'm not able to
because the python shell closes after the execution of the script, I tried
with subprocess.Popen and os.system from python shell and also doing a
script, but the error just closes python without executing the json.dumps..
what can I do?

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#13 (comment)

from juniper-vpn-py.

I have tried both script with the import and the json.dump but the output its the same with and without the both lines.. the import is placed at the start of the script with the rest of imports, and json.dump is placed in the line 202 I paste you the error with the openconnect:

Traceback (most recent call last):
File "tncc.py", line 337, in
server.process_cmd()
File "tncc.py", line 317, in process_cmd
cookie = self.tncc.get_cookie(args['Cookie'], args['DSSIGNIN'])
File "tncc.py", line 264, in get_cookie
data = self.get_msg_contents(response['msg'])
File "tncc.py", line 203, in get_msg_contents
compressed = msg_decoded[0x0ce4][0][0x0ce7][0]
IndexError: list index out of range
Received invalid response from TNCC
Failed to obtain WebVPN cookie

The error is exactly the same with both scripts the old and the new one you gave me.. the only change is the line numbers..

from juniper-vpn-py.

My bad, the line should be print json.dumps(msg.decoded, indent=4)

On Sat, Mar 26, 2016 at 3:08 PM, aszhiak [email protected] wrote:

I have tried both script with the import and the json.dump but the output
its the same with and without the both lines.. the import is placed at the
start of the script with the rest of imports, and json.dump is placed in
the line 202 I paste you the error with the openconnect:

Traceback (most recent call last):
File "tncc.py", line 337, in
server.process_cmd()
File "tncc.py", line 317, in process_cmd
cookie = self.tncc.get_cookie(args['Cookie'], args['DSSIGNIN'])
File "tncc.py", line 264, in get_cookie
data = self.get_msg_contents(response['msg'])
File "tncc.py", line 203, in get_msg_contents
compressed = msg_decoded[0x0ce4][0][0x0ce7][0]
IndexError: list index out of range
Received invalid response from TNCC
Failed to obtain WebVPN cookie

The error is exactly the same with both scripts the old and the new one
you gave me.. the only change is the line numbers..

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#13 (comment)

from juniper-vpn-py.

No problem ;P, this is the output:

Connected to HTTPS on vpn.company.com
{
"3312": [
{
"30": [
"Company_Checker"
]
}
],
"18": [
[
2
]
],
"3315": [
[
1
]
],
"3300": [
{}
]
}
Traceback (most recent call last):
File "tncc.py", line 337, in
server.process_cmd()
File "tncc.py", line 317, in process_cmd
cookie = self.tncc.get_cookie(args['Cookie'], args['DSSIGNIN'])
File "tncc.py", line 264, in get_cookie
data = self.get_msg_contents(response['msg'])
File "tncc.py", line 203, in get_msg_contents
compressed = msg_decoded[0x0ce4][0][0x0ce7][0]
IndexError: list index out of range
Received invalid response from TNCC
Failed to obtain WebVPN cookie

from juniper-vpn-py.

hmmm...after the response = self.parse_response(), can you put a:

print json.dumps(response, indent=4)

On Sat, Mar 26, 2016 at 3:19 PM, aszhiak [email protected] wrote:

No problem.. If I knew python i would notice, this is the output:

Connected to HTTPS on vpn.company.com
{
"3312": [
{
"30": [
"Company_Checker"
]
}
],
"18": [
[
2
]
],
"3315": [
[
1
]
],
"3300": [
{}
]
}
Traceback (most recent call last):
File "tncc.py", line 337, in
server.process_cmd()
File "tncc.py", line 317, in process_cmd
cookie = self.tncc.get_cookie(args['Cookie'], args['DSSIGNIN'])
File "tncc.py", line 264, in get_cookie
data = self.get_msg_contents(response['msg'])
File "tncc.py", line 203, in get_msg_contents
compressed = msg_decoded[0x0ce4][0][0x0ce7][0]
IndexError: list index out of range
Received invalid response from TNCC
Failed to obtain WebVPN cookie

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#13 (comment)

from juniper-vpn-py.

sure, here's the output:

Connected to HTTPS on vpn.company.com
{
"timestamp": "1459078085",
"interval": "10",
"SESSION_POLICIES": "",
"SESSION": "",
"connId": "0",
"msg": "AAAAE8AAAKAAAAWDAAAM5MAAAAwAAAWDAAAM8MAAAGgAAAWDAAAM8cAAAB4AAAWDVGVsZWZvbmljYV9DaGVja2VyAAAAAAzmwAAAOwAABYNObyBydWxlcyBhcmUgY29uZmlndXJlZCBmb3IgdGhlIExpbnV4IHBsYXRmb3JtLgAAAAASwAAAEAAABYMAAAACAAAM84AAABAAAAWDAAAAAQ=="
}
{
"3312": [
{
"30": [
"Company_Checker"
]
}
],
"18": [
[
2
]
],
"3315": [
[
1
]
],
"3300": [
{}
]
}
Traceback (most recent call last):
File "tncc.py", line 337, in
server.process_cmd()
File "tncc.py", line 317, in process_cmd
cookie = self.tncc.get_cookie(args['Cookie'], args['DSSIGNIN'])
File "tncc.py", line 264, in get_cookie
data = self.get_msg_contents(response['msg'])
File "tncc.py", line 203, in get_msg_contents
compressed = msg_decoded[0x0ce4][0][0x0ce7][0]
IndexError: list index out of range
Received invalid response from TNCC
Failed to obtain WebVPN cookie

from juniper-vpn-py.

Ok, so it's saying policies don't exist for Linux, maybe there is a way to
handle that. But can you try a windows user agent string first?

Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.1

On Sun, Mar 27, 2016 at 4:29 AM, aszhiak [email protected] wrote:

sure, here's the output:

Connected to HTTPS on vpn.company.com
{
"timestamp": "1459078085",
"interval": "10",
"SESSION_POLICIES": "",
"SESSION": "",
"connId": "0",
"msg":
"AAAAE8AAAKAAAAWDAAAM5MAAAAwAAAWDAAAM8MAAAGgAAAWDAAAM8cAAAB4AAAWDVGVsZWZvbmljYV9DaGVja2VyAAAAAAzmwAAAOwAABYNObyBydWxlcyBhcmUgY29uZmlndXJlZCBmb3IgdGhlIExpbnV4IHBsYXRmb3JtLgAAAAASwAAAEAAABYMAAAACAAAM84AAABAAAAWDAAAAAQ=="
}
{
"3312": [
{
"30": [
"Company_Checker"
]
}
],
"18": [
[
2
]
],
"3315": [
[
1
]
],
"3300": [
{}
]
}
Traceback (most recent call last):
File "tncc.py", line 337, in
server.process_cmd()
File "tncc.py", line 317, in process_cmd
cookie = self.tncc.get_cookie(args['Cookie'], args['DSSIGNIN'])
File "tncc.py", line 264, in get_cookie
data = self.get_msg_contents(response['msg'])
File "tncc.py", line 203, in get_msg_contents
compressed = msg_decoded[0x0ce4][0][0x0ce7][0]
IndexError: list index out of range
Received invalid response from TNCC
Failed to obtain WebVPN cookie

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#13 (comment)

from juniper-vpn-py.

I have changed useragent inside tnnc.py because I was having the same issue just changing it in openconnect and now the output is this one:

Connected to HTTPS on vpn.company.com
{
"timestamp": "1459109752",
"interval": "10",
"SESSION_POLICIES": "",
"SESSION": "",
"connId": "3",
"msg": "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"
}
Traceback (most recent call last):
File "tncc.py", line 337, in
server.process_cmd()
File "tncc.py", line 317, in process_cmd
cookie = self.tncc.get_cookie(args['Cookie'], args['DSSIGNIN'])
File "tncc.py", line 264, in get_cookie
data = self.get_msg_contents(response['msg'])
File "tncc.py", line 202, in get_msg_contents
print json.dumps(msg_decoded, indent=4)
File "/usr/lib/python2.7/json/init.py", line 250, in dumps
sort_keys=sort_keys, **kw).encode(obj)
File "/usr/lib/python2.7/json/encoder.py", line 209, in encode
chunks = list(chunks)
File "/usr/lib/python2.7/json/encoder.py", line 434, in _iterencode
for chunk in _iterencode_dict(o, _current_indent_level):
File "/usr/lib/python2.7/json/encoder.py", line 408, in _iterencode_dict
for chunk in chunks:
File "/usr/lib/python2.7/json/encoder.py", line 332, in _iterencode_list
for chunk in chunks:
File "/usr/lib/python2.7/json/encoder.py", line 408, in _iterencode_dict
for chunk in chunks:
File "/usr/lib/python2.7/json/encoder.py", line 313, in _iterencode_list
yield buf + _encoder(value)
UnicodeDecodeError: 'utf8' codec can't decode byte 0x9c in position 16: invalid start byte
Received invalid response from TNCC
Failed to obtain WebVPN cookie

from juniper-vpn-py.

ok, now try removing the print json.dumps and see if it works.

On Sun, Mar 27, 2016 at 1:20 PM, aszhiak [email protected] wrote:

I have changed useragent inside tnnc.py because I was having the same
issue just changing it in openconnect and now the output is this one:

Connected to HTTPS on vpn.company.com
{
"timestamp": "1459109752",
"interval": "10",
"SESSION_POLICIES": "",
"SESSION": "",
"connId": "3",
"msg":
"AAAAE8AAAbAAAAWDAAAM5MAAAZQAAAWDAAAM58AAAYUAAAWDAAWDFkNPTVBSRVNTRUQ6NjExOnicjVBda8JAEOyzv+LIL8j5kVTiCcEGlBorxgpCIVzuNnJtchcuF9uAP74XrcWHFnzb3ZmdndnJOtyEMVqFcUScNdW0BAPaddAuXL7aUcBAm7TkI+JnGVDP9+Exy3CO8Rh7LB8OeH80AN/t86AGfQSdGlECwcPRGLtjz/WdaW9SdbpIWm3iVNcb2EFHWjR2pLJ3YCaVTZmBJjhAlVZHwW2t4SBqo9sA6aYAwTFxL2WnhcnmB07tzpWafkCLyfw52qfLl1m4TONwNl+sohtG3WRnUrJPtlH8tk2ANVqY9oZy0d9CAbmSgtEkvAFNW1kwMVrIw3m8E/DpDc/mSiHtE359aiiBkwBJAF7HVsqobquDbUxVCNaSI3NP7unSpN4Jn/6Mdf4VJmutDBwAFRQtZK50SZlQ8t8n9+948uUyp4beacnmYqqRplOBr0pDXVsPi6faBmVKcmFsSwsb0kHT3sM3ngvVIQAAAAAAAAzzgAAAEAAABYMAAAAB"
}
Traceback (most recent call last):
File "tncc.py", line 337, in
server.process_cmd()
File "tncc.py", line 317, in process_cmd
cookie = self.tncc.get_cookie(args['Cookie'], args['DSSIGNIN'])
File "tncc.py", line 264, in get_cookie
data = self.get_msg_contents(response['msg'])
File "tncc.py", line 202, in get_msg_contents
print json.dumps(msg_decoded, indent=4)
File "/usr/lib/python2.7/json/init.py", line 250, in dumps
sort_keys=sort_keys, **kw).encode(obj)
File "/usr/lib/python2.7/json/encoder.py", line 209, in encode
chunks = list(chunks)
File "/usr/lib/python2.7/json/encoder.py", line 434, in _iterencode
for chunk in _iterencode_dict(o, _current_indent_level):
File "/usr/lib/python2.7/json/encoder.py", line 408, in _iterencode_dict
for chunk in chunks:
File "/usr/lib/python2.7/json/encoder.py", line 332, in _iterencode_list
for chunk in chunks:
File "/usr/lib/python2.7/json/encoder.py", line 408, in _iterencode_dict
for chunk in chunks:
File "/usr/lib/python2.7/json/encoder.py", line 313, in _iterencode_list
yield buf + _encoder(value)
UnicodeDecodeError: 'utf8' codec can't decode byte 0x9c in position 16:
invalid start byte
Received invalid response from TNCC
Failed to obtain WebVPN cookie

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#13 (comment)

from juniper-vpn-py.

Well now I have the following issue.. after request me the login and password I got the following message and ask me again for the password.

Got HTTP response: HTTP/1.1 302 Moved

from juniper-vpn-py.

OK, it's not liking the answer you are giving for the policies. Where it
responds to the policies and says 'OK', change the OK to Fail. If this
doesn't work, the script may need to start getting smart about which
policies to say yes to, and which to say no to.

On Sun, Mar 27, 2016 at 2:49 PM, aszhiak [email protected] wrote:

Well now I have the following issue.. after request me the login and
password I got the following message and ask me again for the password.

Got HTTP response: HTTP/1.1 302 Moved

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#13 (comment)

from juniper-vpn-py.

Well I changed that and now openconnect just crashed:

Connected to HTTPS on vpn.company.com
Unknown form ID 'frm'
Dumping unknown HTML form:

<input id="action_31" type="hidden" name="action" value="">

<input id="signinId_2" type="hidden" name="signinId" value="url_default">
<input id="realmId_10" type="hidden" name="realmId" value="">
<input id="executedStep_2" type="hidden" name="executedStep" value="preauth">
<input id="stateId_8" type="hidden" name="stateId" value="">
<input id="p_16" type="hidden" name="p" value="">

<input id="showContinue_2" type="hidden" name="showContinue" value="1">
<input id="showRemedOption_2" type="hidden" name="showRemedOption" value="0">

<input id="hostcheckTS_2" type="hidden" name="hostcheckTS" value="">
<input id="totalseconds_2" type="hidden" name="totalseconds" value="">

<input id="executedAction_2" type="hidden" name="executedAction" value="">

I don't know if this is relevant but the vpn doesn't have policies for linux, to connect from linux I have a tweaked firefox with some .so of windows media player, activex etc.. and with this I bypass the hostchecker and then just copy the DSID and paste it as parameter to a script which contains a openconnect sentence.

from juniper-vpn-py.

I'm guessing the juniper-vpn.py script gives you a "Unknown form type:
frm". It looks like it could be a confirmation form though. The forms that
openconnect and juniper-vpn.py know about are frmLogin, frmDefender,
frmNextToken, and frmConfirmation, so having a form just named 'frm' seems
odd. It might be helpful to print out the entire page so it can be seen
what it's asking, but the easiest thing is to just try and assume it's a
confirmation form. In juniper-vpn.py, in the next_action function where
it's testing for what kind of form it is, just change the line:

elif form.name == 'frmConfirmation':

to:

elif form.name == 'frmConfirmation' or form.name == 'frm':

On Sun, Mar 27, 2016 at 3:04 PM, aszhiak [email protected] wrote:

Well I changed that and now openconnect just crashed:

Connected to HTTPS on vpn.company.com
Unknown form ID 'frm'
Dumping unknown HTML form:

Failed to obtain WebVPN cookie

I don't know if this is relevant but the vpn doesn't have policies for
linux, to connect from linux I have a tweaked firefox with some .so of
windows media player, activex etc.. and with this I bypass the hostchecker
and then just copy the DSID and paste it as parameter to a script.

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#13 (comment)

from juniper-vpn-py.

After that change, the script just stuck or freeze at this point:
python ./juniper-vpn.py --host vpn.company.com --username username --stdin DSID=%DSID% openconnect --juniper -b --no-cert-check --useragent 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.1' %HOST% --cookie-on-stdin
policy vc0|0|policy_6|1|Registry_1
ruleremed
needsMonitoring 0
minver1 0
registry_name1 CompanyLtd
rulename1 Registry_1
registry_value1 Protege la Informacion
regView641 0
object_number 1
registry_type1 String
registry_subkey1 SYSTEM\TSecurity
ruleid1 0
provider registry
registry_key1 HKEY_LOCAL_MACHINE
policy vc0|0|policy_6|1|Registry_1
conditional 0
object_number 1
expressionIDs
rulecount 1
provider policydata

And after some time do:

Traceback (most recent call last):
File "./juniper-vpn.py", line 284, in
jvpn.run()
File "./juniper-vpn.py", line 129, in run
self.action_continue()
File "./juniper-vpn.py", line 205, in action_continue
self.r = self.br.submit()
File "/usr/local/lib/python2.7/dist-packages/mechanize/_mechanize.py", line 541, in submit
return self.open(self.click(_args, *_kwds))
File "/usr/local/lib/python2.7/dist-packages/mechanize/_mechanize.py", line 203, in open
return self._mech_open(url, data, timeout=timeout)
File "/usr/local/lib/python2.7/dist-packages/mechanize/_mechanize.py", line 230, in _mech_open
response = UserAgentBase.open(self, request, data)
File "/usr/local/lib/python2.7/dist-packages/mechanize/_opener.py", line 193, in open
response = urlopen(self, req, data)
File "/usr/local/lib/python2.7/dist-packages/mechanize/_urllib2_fork.py", line 344, in _open
'_open', req)
File "/usr/local/lib/python2.7/dist-packages/mechanize/_urllib2_fork.py", line 332, in _call_chain
result = func(*args)
File "/usr/local/lib/python2.7/dist-packages/mechanize/_urllib2_fork.py", line 1170, in https_open
return self.do_open(conn_factory, req)
File "/usr/local/lib/python2.7/dist-packages/mechanize/_urllib2_fork.py", line 1118, in do_open
raise URLError(err)
urllib2.URLError: <urlopen error [Errno -3] Temporary failure in name resolution>

If I execute openconnect instead of juniper-vpn.py I have the frm error.

from juniper-vpn-py.

In juniper-vpn.py, uncomment the lines before # Want debugging
messages? Also, in the function run (def run(self):), add the lines:

print self.r.info()
print self.r.read()

before self.last_action = action

Note in python that indentation is part of the syntax, so be sure they
are intended the same number of spaces as the next line. This will
likely print a great deal of information and much of it may be
personal, so you may need to interpret it and compare what you see
with the manual login process on windows.

On Sun, Mar 27, 2016 at 4:14 PM, aszhiak [email protected] wrote:

After that change, the script just stuck or freeze at this point:
python ./juniper-vpn.py --host vpn.company.com --username username --stdin
DSID=%DSID% openconnect --juniper -b --no-cert-check --useragent
'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.1'
%HOST% --cookie-on-stdin
policy vc0|0|policy_6|1|Registry_1
ruleremed
needsMonitoring 0
minver1 0
registry_name1 CompanyLtd
rulename1 Registry_1
registry_value1 Protege la Informacion
regView641 0
object_number 1
registry_type1 String
registry_subkey1 SYSTEM\TSecurity
ruleid1 0
provider registry
registry_key1 HKEY_LOCAL_MACHINE
policy vc0|0|policy_6|1|Registry_1
conditional 0
object_number 1
expressionIDs
rulecount 1
provider policydata

And after some time do:

Traceback (most recent call last):
File "./juniper-vpn.py", line 284, in
jvpn.run()
File "./juniper-vpn.py", line 129, in run
self.action_continue()
File "./juniper-vpn.py", line 205, in action_continue
self.r = self.br.submit()
File "/usr/local/lib/python2.7/dist-packages/mechanize/_mechanize.py", line
541, in submit
return self.open(self.click(args, _kwds))
File "/usr/local/lib/python2.7/dist-packages/mechanize/_mechanize.py", line
203, in open
return self._mech_open(url, data, timeout=timeout)
File "/usr/local/lib/python2.7/dist-packages/mechanize/_mechanize.py", line
230, in _mech_open
response = UserAgentBase.open(self, request, data)
File "/usr/local/lib/python2.7/dist-packages/mechanize/_opener.py", line
193, in open
response = urlopen(self, req, data)
File "/usr/local/lib/python2.7/dist-packages/mechanize/_urllib2_fork.py",
line 344, in _open
'_open', req)
File "/usr/local/lib/python2.7/dist-packages/mechanize/_urllib2_fork.py",
line 332, in _call_chain
result = func(_args)
File "/usr/local/lib/python2.7/dist-packages/mechanize/_urllib2_fork.py",
line 1170, in https_open
return self.do_open(conn_factory, req)
File "/usr/local/lib/python2.7/dist-packages/mechanize/_urllib2_fork.py",
line 1118, in do_open
raise URLError(err)
urllib2.URLError:

If I execute openconnect instead of juniper-vpn.py I have the frm error.

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from juniper-vpn-py.

I am getting this error when I just run

$ python2 tncc.py 
Traceback (most recent call last):
  File "tncc.py", line 596, in <module>
    vpn_host = sys.argv[1]
IndexError: list index out of range

Perhaps it should check that it's invoked with arguments?

from juniper-vpn-py.