[X2Go-Dev] Windows nightly crashes

[Ulrich Sibiller]

Running with --libssh-debug does not provide any further hint:
x2go-DEBUG-../src/sshmasterconnection.cpp:805> Session port after
config file parse: 22
[2020/05/20 13:49:23.492000, 2] ssh_connect:  libssh 0.9.3 (c)
2003-2019 Aris Adamantiadis, Andreas Schneider and libssh
contributors. Distributed under the LGPL, please refer to COPYING file
for information about your rights, using threading threads_pthread
[2020/05/20 13:49:23.502982, 2] ssh_socket_connect:  Nonblocking
connection socket: 2192
[2020/05/20 13:49:23.503982, 2] ssh_connect:  Socket connecting, now
waiting for the callbacks to work
[2020/05/20 13:49:23.508040, 1] socket_callback_connected:  Socket
connection callback: 1 (0)
[2020/05/20 13:49:23.523984, 2] ssh_client_connection_callback:  SSH
server banner: SSH-2.0-OpenSSH_5.8
[2020/05/20 13:49:23.523984, 2] ssh_analyze_banner:  Analyzing banner:
SSH-2.0-OpenSSH_5.8
[2020/05/20 13:49:23.524982, 2] ssh_analyze_banner:  We are talking to
an OpenSSH client version: 5.8 (50800)
[2020/05/20 13:49:24.665982, 1] ssh_known_hosts_read_entries:  Failed
to open the known_hosts file '/etc/ssh/ssh_known_hosts': No such file
or directory
[2020/05/20 13:49:24.666982, 2] ssh_kex_select_methods:  Negotiated
ecdh-sha2-nistp256,ecdsa-sha2-nistp256,aes256-ctr,aes256-ctr,hmac-sha1,hmac-sha1,none,none,,
[2020/05/20 13:49:24.684982, 2] ssh_init_rekey_state:  Set rekey after
4294967296 blocks
[2020/05/20 13:49:24.686022, 2] ssh_init_rekey_state:  Set rekey after
4294967296 blocks
[2020/05/20 13:49:24.687983, 2] ssh_packet_client_ecdh_reply:
SSH_MSG_NEWKEYS sent
[2020/05/20 13:49:24.687983, 2] ssh_packet_newkeys:  Received SSH_MSG_NEWKEYS
-> then it crashes

On Wed, May 20, 2020 at 12:36 PM Ulrich Sibiller
<ulrich.sibiller at gmail.com> wrote:
>
> Here's the output of the centos7 nightly build
> x2goclient-4.1.2.3-0.0x2go1.0.git20200520.1947.heuler.el7.x86_64 which
> is working with the same session setup:
>
> x2go-DEBUG-../src/sshmasterconnection.cpp:795> Session port before
> config file parse: 22
> x2go-DEBUG-../src/sshmasterconnection.cpp:805> Session port after
> config file parse: 22
> x2go-DEBUG-../src/sshmasterconnection.cpp:869> Session port before
> config file parse (part 2): 22
> x2go-DEBUG-../src/sshmasterconnection.cpp:879> Session port after
> config file parse (part 2): 22
> x2go-DEBUG-../src/sshmasterconnection.cpp:903> cserverAuth
> x2go-DEBUG-../src/sshmasterconnection.cpp:942> state: 1
> ---> Windows version stopped here
> x2go-DEBUG-../src/sshmasterconnection.cpp:1206> Challenge
> authentication requested.
>
> x2go-DEBUG-../src/sshmasterconnection.cpp:1084> Have prompts: 1
>
> x2go-DEBUG-../src/sshmasterconnection.cpp:1088> Prompt[0]: |Password: |
>
> x2go-DEBUG-../src/sshmasterconnection.cpp:1092> Password request
>
> x2go-DEBUG-../src/sshmasterconnection.cpp:1084> Have prompts: 0
>
> x2go-DEBUG-../src/sshmasterconnection.cpp:1170> Challenge authentication OK.
>
> On Wed, May 20, 2020 at 12:12 PM Ulrich Sibiller
> <ulrich.sibiller at gmail.com> wrote:
> >
> > Hi,
> >
> > both x2goclient for windows 4.1.2.2-20200213 and
> > https://code.x2go.org/releases/binary-win32/x2goclient/heuler/mingw32-4.8/qt-4.8/x2goclient-4.1.2.3-2020.05.20-a1a2f62-setup.exe
> > are crashing during connection establishment when using a proxy
> > (output from the debug build):
> >
> > x2go-DEBUG-../src/onmainwindow.cpp:2931> Starting new ssh connection
> > to server:"!myremotehost":"22" krbLogin: false
> > x2go-DEBUG-../src/sshmasterconnection.cpp:168> SshMasterConnection,
> > host "!myremotehost"; port 22; user "yyy"; useproxy true; proxyserver
> > "!10.11.12.13"; proxyport 22
> > x2go-DEBUG-../src/sshmasterconnection.cpp:495> proxyserver:
> > "!10.11.12.13"; proxyport: 22; proxylogin: "remoteuser"
> > x2go-DEBUG-../src/sshmasterconnection.cpp:168> SshMasterConnection,
> > host "!10.11.12.13"; port 22; user "remoteuser"; useproxy false;
> > proxyserver ""; proxyport 0
> > x2go-DEBUG-../src/sshmasterconnection.cpp:248> Starting SSH connection
> > without Kerberos authentication.
> > x2go-DEBUG-../src/sshmasterconnection.cpp:250> SshMasterConnection,
> > instance SshMasterConnection(0x3917608) created.
> > x2go-DEBUG-../src/sshmasterconnection.cpp:492> SshMasterConnection,
> > instance SshMasterConnection(0x3917608) entering thread.
> > x2go-DEBUG-../src/sshmasterconnection.cpp:573> Setting SSH directory
> > to C:/Users/LOCALUSER/ssh
> > x2go-DEBUG-../src/sshmasterconnection.cpp:795> Session port before
> > config file parse: 22
> > x2go-DEBUG-../src/sshmasterconnection.cpp:805> Session port after
> > config file parse: 22
> > x2go-DEBUG-../src/sshmasterconnection.cpp:869> Session port before
> > config file parse (part 2): 22
> > x2go-DEBUG-../src/sshmasterconnection.cpp:879> Session port after
> > config file parse (part 2): 22
> > x2go-DEBUG-../src/sshmasterconnection.cpp:903> cserverAuth
> > x2go-DEBUG-../src/sshmasterconnection.cpp:942> state: 1
> > x2go-DEBUG-../src/sshmasterconnection.cpp:674> Setting SSH directory
> > to C:/Users/LOCALUSER/ssh
> >
> > and then x2go completely vanishes.
> >
> > Any ideas how to debug this further?
> >
> > Uli