iptux doesn't respond to IPMSG_GETPUBKEY (0x61) causing message delivery failure

[MichelleFanJue]

windows ipmsg version: 5.7.6
linux version : 0.9.4

[lidaobing]

Currently, we do not support encrypted messages. Do you know if Windows IPMSG supports disabling this feature?

[MichelleFanJue]

No,I did not find the way to disable this feature on windows version 5.7.6

[lidaobing]

I will check how to make IPMSG downgrade to a non-encrypted protocol.

[lidaobing]

@MichelleFanJue I have tested with iptux 0.9.4 and IPMSG 5.7.6(wine+macOS), no problem for chatting (of course not encrypted). Could you help dump the traffic with wireshark?

Thanks.

[MichelleFanJue]

I am running IPMSG on win11 and iptux on ubuntu 22.04，chatting message is always lost.

[lidaobing]

Hi @MichelleFanJue ,

could you try the newest version? You can install it with snap: https://snapcraft.io/iptux

[MichelleFanJue]

As mentioned before,I have already used the latest iptux version 0.9.4

[lidaobing]

Hi @MichelleFanJue

1. please check your firewall status with sudo ufw status
2. please close the current iptux, open a new one with iptux -l DEBUG 2>&1 | tee iptux.log, and upload iptux.log

thanks

[MichelleFanJue]

michelle@mich-ubuntu:~$ sudo ufw status
Status: inactive

iptux.log

send message from iptux,the message did not shown on IPMSG.

[lidaobing]

Hi @MichelleFanJue

from https://github.com/shirouzu/ipmsg/blob/master/src/ipmsg.h , 0x61 is not IPMSG_GETPUBKEY, it's IPMSG_RELEASEFILES.

So are you sending a message with image/attachment/emoji?

Thanks,

[MichelleFanJue]

iptux.pcapng.txt
#No,I just sent message from iptux and got message 0x61 from windows and mesage did not shown on windows,I did not do anything on window's client.
please see the attached file (remove ".txt" to open in wireshark)

[lidaobing]

Hi @MichelleFanJue ,

this screenshot means: iptux send a msg with seq no 10

this screenshot means: the receiver acked that it already received seq no 10

• So, if you don't see the message in ipmsg, I don't think it's a bug in iptux, could you report a bug in https://github.com/FastCopyLab/ipmsg/issues ?

Thanks,