Hmmm... Does it change anything if you add "--no-cert-check" to openconnect options (just temporarily for testing). Kris On 14/12/15 12:14, Pavel Kogan wrote: > I'm not hard-coding the DSID anywhere, so I assume the wrapper script > gets a new one each time. > > It kicks me off after a few seconds. Actually, I can't really be > certain it connects properly in the first place since I haven't been > able to access anything behind the VPN in the interim. > > Yes, the host I'm connecting to does require host checking. I was > using `juniper-vpn.py` because I wanted to avoid having to download > and use a jar. > > Anyway, with the tncc-wrapper.py from the openconnect repo: > ``` > $ sudo openconnect --juniper --useragent 'Mozilla/5.0 (Linux) Firefox' > --csd-wrapper=tncc-wrapper.py pulse.example.com > [sudo] password for pavel: > WARNING: Juniper Network Connect support is experimental. > It will probably be superseded by Junos Pulse support. > GET https://pulse.example.com/ > Attempting to connect to server 19X.XXX.XXX.XXX:443 > SSL negotiation with pulse.example.com > Connected to HTTPS on pulse.example.com > Got HTTP response: HTTP/1.1 302 Found > GET https://pulse.example.com/dana-na/auth/url_5/welcome.cgi > SSL negotiation with pulse.example.com > Connected to HTTPS on pulse.example.com > frmLogin > username:pavel.kogan > password: > POST https://pulse.example.com/dana-na/auth/url_5/login.cgi > SSL negotiation with pulse.example.com > Connected to HTTPS on pulse.example.com > Got HTTP response: HTTP/1.1 302 Moved > GET https://pulse.example.com/dana-na/auth/url_5/welcome.cgi?p=preauth&id=state_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx&signinRealmId=3 > SSL negotiation with pulse.example.com > Connected to HTTPS on pulse.example.com > socket opened > GET https://pulse.example.com/dana-na/auth/url_5/welcome.cgi?p=preauth&id=state_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx&signinRealmId=3 > SSL negotiation with pulse.example.com > Connected to HTTPS on pulse.example.com > Got HTTP response: HTTP/1.1 302 Moved > GET https://pulse.example.com/dana-na/auth/url_5/login.cgi?loginmode=mode_postAuth&postauth=state_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx > SSL negotiation with pulse.example.com > Connected to HTTPS on pulse.example.com > Got HTTP response: HTTP/1.1 302 Moved > GET https://pulse.example.com/dana-na/auth/remediate.cgi?step=rolecheck&stateId=state_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx&realmId=3&rolesremaining=0&realmsremaining=1 > SSL negotiation with pulse.example.com > Connected to HTTPS on pulse.example.com > Unknown form ID 'frm' > Dumping unknown HTML form: > <form id="frm_142" name="frm" action="remediate.cgi"> > > <input id="action_31" type="hidden" name="action" value=""> > > <input id="signinId_2" type="hidden" name="signinId" value=""> > <input id="realmId_10" type="hidden" name="realmId" value="3"> > <input id="executedStep_2" type="hidden" name="executedStep" > value="rolecheck"> > <input id="stateId_8" type="hidden" name="stateId" > value="state_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"> > <input id="p_16" type="hidden" name="p" value=""> > > <input id="showContinue_2" type="hidden" name="showContinue" value="0"> > <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=""> > </form>Failed to obtain WebVPN cookie > java.lang.NullPointerException > at net.juniper.tnc.HttpNAR.HttpNAR.processCommands(HttpNAR.java:381) > at net.juniper.tnc.HttpNAR.HttpNAR.run(HttpNAR.java:261) > at net.juniper.tnc.NARPlatform.linux.LinuxHttpNAR.main(LinuxHttpNAR.java:52) > ``` > > Handling this unrecognised form was actually the change I had to make > to `juniper-vpn.py`. It seems purely informational so I just had the > script ignore it and carry on to tncc. All the fields are read-only > (according to the dump I did from the python script) but maybe > something does need to be done with it? > > On 14 December 2015 at 10:01, David Woodhouse <dwmw2 at infradead.org> wrote: >> On Fri, 2015-12-11 at 16:53 +0000, Pavel Kogan wrote: >>> >>> ``` >>> $ sudo ./juniper-vpn.py --host pulse.example.com --user pavel.kogan >>> --stdin DSID=%DSID% openconnect --juniper %HOST% --cookie-on-stdin >>> --interface=tun0 >>> Password: >>> WARNING: Juniper Network Connect support is experimental. >>> It will probably be superseded by Junos Pulse support. >>> Attempting to connect to server 19X.XXX.XXX.XXX:443 >>> SSL negotiation with pulse.example.com >>> Connected to HTTPS on pulse.example.com >>> SSL negotiation with pulse.example.com >>> Connected to HTTPS on pulse.example.com >>> Connected tun0 as 10.XXX.XXX.XXX, using SSL >>> ESP session established with server >>> Server terminated connection (session expired) >>> Unknown error; exiting. >>> WARNING: Juniper Network Connect support is experimental. >>> It will probably be superseded by Junos Pulse support. >>> Attempting to connect to server 19X.XXX.XXX.XXX:443 >>> SSL negotiation with pulse.example.com >>> Connected to HTTPS on pulse.example.com >>> Got HTTP response: HTTP/1.1 302 Found >>> Unexpected 302 result from server >>> Creating SSL connection failed >>> Waiting 10... >>> ``` >>> The error then repeats until I Ctrl-C. >> >> That's odd. I assume you're using a fresh DSID cookie each time you >> connect? And it then kicks you off almost immediately, telling you >> 'session expired'? How long does it remain connected for? >> >> I wonder if this is a problem with tncc.py from the scripts you're >> using to authenticate. In some modes the host checker script is >> expected to keep running all the time you're connected to the VPN, but >> ISTR that isn't implemented in Russ's tncc.py. >> >> Can you try running the *real* one? OpenConnect has support for >> spawning it... do you actually need external scripts at all for >> authentication, in fact? Anything we can do in an external python >> script parsing the forms, we *should* be able to add to OpenConnect's >> own parsing hacks. >> >> -- >> dwmw2 >> >
