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https://issues.apache.org/jira/browse/GUACAMOLE-1929?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17824125#comment-17824125
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horvathcsabalaszlo commented on GUACAMOLE-1929:
-----------------------------------------------
I built guacd from source on a test VM (from current Git). Suspiciously after
starting the gnome-remote-desktop manually for logging purposes, it worked (not
sure why it did not before restarting the service, but maybe a simple service
restart would do the same). Logs below. The guacd on the home server still
cannot connect.
Sadly i don't want to install compile tools on the homeserver (want to keep it
tidy and reduce all possible attack surfaces), can i simply copy the compiled
guacd (and maybe the rdp library?) to there?
Guacd log :
root@debiantest:/home/user/guacamole-server# ps aux|grep guacd
root 13165 0.0 0.0 6296 644 pts/0 S+ 19:22 0:00 grep guacd
root@debiantest:/home/colt/guacamole-server# GUACD_LOG_LEVEL=debug
/usr/local/sbin/guacd -f -b 127.0.0.1 -l 4822 -p /tmp/guacd.pid
guacd[13167]: INFO: Guacamole proxy daemon (guacd) version 1.5.5 started
guacd[13167]: INFO: Listening on host 127.0.0.1, port 4822
guacd[13167]: INFO: Creating new client for protocol "rdp"
guacd[13167]: INFO: Connection ID is "$e2a15bba-42a8-481d-86c2-ab5c515a23bc"
guacd[13169]: INFO: Security mode: NLA
guacd[13169]: INFO: Resize method: none
guacd[13169]: INFO: No clipboard line-ending normalization specified.
Defaulting to preserving the format of all line endings.
guacd[13169]: INFO: User "@56982154-0a31-4b36-abda-d0b8b494611c" joined
connection "$e2a15bba-42a8-481d-86c2-ab5c515a23bc" (1 users now present)
guacd[13169]: INFO: Loading keymap "base"
guacd[13169]: INFO: Loading keymap "en-us-qwerty"
guacd[13169]: INFO: Accepted format: 16-bit PCM with 2 channels at 44100 Hz
guacd[13169]: INFO: RDP server closed/refused connection: Forcibly
disconnected.
guacd[13169]: INFO: Internal RDP client disconnected
guacd[13169]: INFO: User "@56982154-0a31-4b36-abda-d0b8b494611c"
disconnected (0 users remain)
guacd[13169]: INFO: Last user of connection
"$e2a15bba-42a8-481d-86c2-ab5c515a23bc" disconnected
guacd[13167]: INFO: Connection "$e2a15bba-42a8-481d-86c2-ab5c515a23bc"
removed.
Gnome-remote-desktop log :
user@t430:~$ /usr/libexec/gnome-remote-desktop-daemon
Cannot load libcuda.so.1
Cannot load libnvidia-encode.so.1
** Message: 19:24:17.875: RDP server started
[19:24:41:066] [2265418:2265475] [INFO][com.freerdp.core.connection] - Client
Security: NLA:1 TLS:1 RDP:0
[19:24:41:066] [2265418:2265475] [INFO][com.freerdp.core.connection] - Server
Security: NLA:1 TLS:0 RDP:0
[19:24:41:066] [2265418:2265475] [INFO][com.freerdp.core.connection] -
Negotiated Security: NLA:1 TLS:0 RDP:0
[19:24:46:598] [2265418:2265475] [WARN][com.winpr.negotiate] -
AcceptSecurityContext status SEC_I_CONTINUE_NEEDED [0x00090312]
[19:24:46:699] [2265418:2265475] [WARN][com.winpr.negotiate] -
AcceptSecurityContext status SEC_I_COMPLETE_NEEDED [0x00090313]
[19:24:46:800] [2265418:2265475] [INFO][com.freerdp.core.connection] - Accepted
client: Guacamole RDP
[19:24:46:800] [2265418:2265475] [INFO][com.freerdp.core.connection] - Accepted
channels:
[19:24:46:800] [2265418:2265475] [INFO][com.freerdp.core.connection] - cliprdr
[19:24:46:800] [2265418:2265475] [INFO][com.freerdp.core.connection] - rdpdr
[19:24:46:800] [2265418:2265475] [INFO][com.freerdp.core.connection] - rdpsnd
[19:24:46:800] [2265418:2265475] [INFO][com.freerdp.core.connection] - drdynvc
[19:24:46:800] [2265418:2265475] [INFO][com.freerdp.core.gcc] - Active rdp
encryption level: NONE
[19:24:46:800] [2265418:2265475] [INFO][com.freerdp.core.gcc] - Selected rdp
encryption method: NONE
** Message: 19:24:47.419: [RDP.CLIPRDR] Relieving CLIPRDR filename restriction
** Message: 19:24:47.685: [RDP.CLIPRDR] Client capabilities: long format names
** Message: 19:24:47.685: [RDP.AUDIO_PLAYBACK] Failed to open
AUDIO_PLAYBACK_DVC channel (CreationStatus -1073741823). Trying SVC fallback
** Message: 19:24:47.685: [RDP.RDPGFX] CapsAdvertise: Accepting capability set
with version RDPGFX_CAPVERSION_106, Client cap flags: H264 (AVC444): false,
H264 (AVC420): false
** Message: 19:24:47.686: [RDP.AUDIO_PLAYBACK] Client protocol version (6) too
old. Terminating protocol
** (gnome-remote-desktop-daemon:2265418): WARNING **: 19:24:48.054:
[RDP.CLIPRDR] Converting clipboard content failed: Failed to get converted data
(here i aborted the rdp server)
> Guacd cannot connect to Debian+Gnome-remote-desktop
> ---------------------------------------------------
>
> Key: GUACAMOLE-1929
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-1929
> Project: Guacamole
> Issue Type: Bug
> Components: guacd
> Affects Versions: 1.5.4
> Environment: Guacd on Debian Bookworm, connections to Windows and
> Debian Bookworm via RDP is working, but not to Debian Trixie.
> Reporter: horvathcsabalaszlo
> Priority: Minor
> Labels: gnome-remote-desktop, guacd,
>
> Hi,
>
> I have been using Apache Guacamole until now to connect to my home compuers.
> Most of them are running Debian (Bookorm and Trixie), some Windows. The
> Guacamole server is Debian Bookworm.
> So after upgrading my main computer to Trixie, the RDP connection did not
> work. Before VNC was used, which worked well.
> The symptom is that when the Guacamole tries to connect, it cannot
> (disconnects immediately). But only to those, where the OS version is Debian
> Trixie. Connection to Bookworm or Windows is working via RDP.
> The difference between Debian Bookworm and Trixie is the version of
> gnome-remote-desktop , which is 43 on Bookworm, 44 on Trixie, ad the
> libfreerdp2 , which is 2.10 on Bookworm, 2.11 on Trixie.
> I described the issue here, with logs :
> [https://gitlab.gnome.org/GNOME/gnome-remote-desktop/-/issues/183]
> The main problem is that the remote machine log says
> ** (gnome-remote-desktop-daemon:3041831): WARNING **: 23:12:32.514: [RDP]
> Client did not advertise support for the Graphics Pipeline, closing connection
> [23:12:32:248]
> [[{{3041831}}|https://github.com/FreeRDP/FreeRDP/commit/30418312521d0391ba30906859012bb2dd9570d2]:3041930]
> [ERROR][com.freerdp.core.transport] - transport_check_fds:
> transport->ReceiveCallback() - -1
> ** Message: 23:12:32.514: Unable to check file descriptor, closing connection
> Don't need to say, i can connect to my main computer with any RDP client,
> from Windows and Linux.
> I have set up a test Guacamole install on a test VM, but it also could not
> connect to my main computer. (1.3.x and 1.5.4 were tested)
> Checked also with xrdp on my main computer, connection also works from
> Remmina/KRDC/Windows RDP, but not from Guacamole.
>
> I have opened cases for Gnome-remote-desktop, and libfreerdp2 developers, and
> they pointed out that graphics pipeline is not a new feature, but guacd is
> not hooking up to it. I suspect that in libfreerdp2 there may be recent
> changes, which are preventing the fallback. Asked libfreerdp2 devs.
>
> Can you please check what can cause such a problem? If any more information
> is needed, let me know :)
> Thanks in advance :)
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