[Bug 259168] Re: Network Manager unable to connect to PPTP VPN (bad NT-Domain escaping)

Alexander Sack asac at jwsdot.com
Wed Nov 19 14:47:54 UTC 2008 

initiating intrepid sru.

** Description changed:

+ To verify:
+  1. check that you cannot connect to pptp and you are using a NT-Domain in the conncetion config
+  2. verify that this is your bug: leave the NT-Domain field empty; instead encode it in username like:
+       NT_DOMAIN\USERNAME (e.g. mydomain\myuser)
+  3. upgrade to fixed package and see that it works without the trick in 2.
+ 
+ 
  Binary package hint: network-manager-pptp
  
  Package version: 0.7~~svn20080818t061112-0ubuntu1~nm1~hardy1
  uname -a: Linux jim-d620 2.6.24-19-generic #1 SMP Fri Jul 11 23:41:49 UTC 2008 i686 GNU/Linux
  
  I am testing the SVN version of network-manager 0.7. I am attempting to
  connect to my employer's Windows PPTP VPN. Each time I try, the
  connection fails, displaying a pop-up message that says: The VPN
  connection 'Connection Name' failed because the VPN service stopped
  unexpectedly.
  
  The relevant section of /var/log/syslog is:
  Aug 18 15:15:13 jim-d620 NetworkManager: <info>  Starting VPN service 'org.freedesktop.NetworkManager.pptp'... 
  Aug 18 15:15:13 jim-d620 NetworkManager: <info>  VPN service 'org.freedesktop.NetworkManager.pptp' started (org.freedesktop.NetworkManager.pptp), PID 16601 
  Aug 18 15:15:13 jim-d620 NetworkManager: <info>  VPN service 'org.freedesktop.NetworkManager.pptp' just appeared, activating connections 
  Aug 18 15:15:13 jim-d620 NetworkManager: <info>  VPN service 'org.freedesktop.NetworkManager.pptp' just appeared, activating connections 
  Aug 18 15:15:13 jim-d620 NetworkManager: nm_vpn_connection_activate: assertion `nm_vpn_connection_get_vpn_state (connection) == NM_VPN_CONNECTION_STATE_PREPARE' failed
  Aug 18 15:15:13 jim-d620 NetworkManager: <info>  VPN plugin state changed: 3 
  Aug 18 15:15:13 jim-d620 pppd[16602]: Plugin /usr/lib/pppd/2.4.4/nm-pptp-pppd-plugin.so loaded.
  Aug 18 15:15:13 jim-d620 pppd[16602]: pppd 2.4.4 started by root, uid 0
  Aug 18 15:15:13 jim-d620 pppd[16602]: Using interface ppp1
  Aug 18 15:15:13 jim-d620 pppd[16602]: Connect: ppp1 <--> /dev/pts/1
  Aug 18 15:15:13 jim-d620 pptp[16603]: nm-pptp-service-16601 log[main:pptp.c:267]: The synchronous pptp option is NOT activated 
  Aug 18 15:15:13 jim-d620 NetworkManager: <info>  VPN connection 'Connection Name' (Connect) reply received. 
  Aug 18 15:15:15 jim-d620 pptp[16607]: nm-pptp-service-16601 log[ctrlp_rep:pptp_ctrl.c:251]: Sent control packet type is 1 'Start-Control-Connection-Request' 
  Aug 18 15:15:16 jim-d620 pptp[16607]: nm-pptp-service-16601 log[ctrlp_disp:pptp_ctrl.c:738]: Received Start Control Connection Reply
  Aug 18 15:15:16 jim-d620 pptp[16607]: nm-pptp-service-16601 log[ctrlp_disp:pptp_ctrl.c:772]: Client connection established.
  Aug 18 15:15:16 jim-d620 pptp[16607]: nm-pptp-service-16601 log[ctrlp_rep:pptp_ctrl.c:251]: Sent control packet type is 7 'Outgoing-Call-Request' 
  Aug 18 15:15:17 jim-d620 pptp[16607]: nm-pptp-service-16601 log[ctrlp_disp:pptp_ctrl.c:857]: Received Outgoing Call Reply.
  Aug 18 15:15:17 jim-d620 pptp[16607]: nm-pptp-service-16601 log[ctrlp_disp:pptp_ctrl.c:896]: Outgoing call established (call ID 0, peer's call ID 11881). 
  Aug 18 15:15:18 jim-d620 pptp[16607]: nm-pptp-service-16601 log[ctrlp_disp:pptp_ctrl.c:949]: PPTP_SET_LINK_INFO received from peer_callid 0
  Aug 18 15:15:18 jim-d620 pptp[16607]: nm-pptp-service-16601 log[ctrlp_disp:pptp_ctrl.c:952]:   send_accm is 00000000, recv_accm is FFFFFFFF
  Aug 18 15:15:18 jim-d620 pptp[16607]: nm-pptp-service-16601 warn[ctrlp_disp:pptp_ctrl.c:955]: Non-zero Async Control Character Maps are not supported!
  Aug 18 15:15:19 jim-d620 pptp[16607]: nm-pptp-service-16601 log[ctrlp_disp:pptp_ctrl.c:949]: PPTP_SET_LINK_INFO received from peer_callid 0
  Aug 18 15:15:19 jim-d620 pptp[16607]: nm-pptp-service-16601 log[ctrlp_disp:pptp_ctrl.c:952]:   send_accm is FFFFFFFF, recv_accm is FFFFFFFF
  Aug 18 15:15:19 jim-d620 pptp[16607]: nm-pptp-service-16601 warn[ctrlp_disp:pptp_ctrl.c:955]: Non-zero Async Control Character Maps are not supported!
  Aug 18 15:15:19 jim-d620 pppd[16602]: LCP terminated by peer (wM-(?"^@<M-Mt^@^@^BM-3)
  Aug 18 15:15:19 jim-d620 pptp[16607]: nm-pptp-service-16601 log[ctrlp_disp:pptp_ctrl.c:911]: Received Call Clear Request.
  Aug 18 15:15:22 jim-d620 pppd[16602]: Connection terminated.
  Aug 18 15:15:22 jim-d620 pppd[16602]: Modem hangup
  Aug 18 15:15:22 jim-d620 pptp[16603]: nm-pptp-service-16601 warn[decaps_hdlc:pptp_gre.c:197]: short read (-1): Input/output error
  Aug 18 15:15:22 jim-d620 pptp[16603]: nm-pptp-service-16601 warn[decaps_hdlc:pptp_gre.c:209]: pppd may have shutdown, see pppd log
  Aug 18 15:15:22 jim-d620 pptp[16607]: nm-pptp-service-16601 log[callmgr_main:pptp_callmgr.c:231]: Closing connection (unhandled)
  Aug 18 15:15:22 jim-d620 pptp[16607]: nm-pptp-service-16601 log[ctrlp_rep:pptp_ctrl.c:251]: Sent control packet type is 12 'Call-Clear-Request' 
  Aug 18 15:15:22 jim-d620 pptp[16607]: nm-pptp-service-16601 log[call_callback:pptp_callmgr.c:78]: Closing connection (call state)
  Aug 18 15:15:22 jim-d620 pppd[16602]: Exit.
  Aug 18 15:15:22 jim-d620 NetworkManager: <info>  VPN plugin state changed: 6 
  Aug 18 15:15:22 jim-d620 NetworkManager: <WARN>  connection_state_changed(): Could not process the request because no VPN connection was active. 
  
  My internet connection is via a Sierra AC 595 PCMCIA aircard, which is
  managed by Network Manager and seems to work fine. The VPN connection
  worked using wired and wireless connections and NM 0.6.6. I switched to
  0.7 because I couldn't use the VPN with the aircard under 0.6.6, I think
  because of this bug: https://bugs.launchpad.net/ubuntu/+source/network-
  manager-applet/+bug/145107

** Changed in: network-manager-pptp (Ubuntu Intrepid)
       Status: Triaged => In Progress

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Network Manager unable to connect to PPTP VPN (bad NT-Domain escaping)
https://bugs.launchpad.net/bugs/259168
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