[SailfishDevel] Avahi error opening socket

[Michael Fuchs]

Thanks, Lukas, but it didn't help

getcap /usr/sbin/avahi-daemon  
/usr/sbin/avahi-daemon = cap_net_raw+ep

Log entries of avahi-daemon:

avahi-daemon[10662]: Found user 'avahi' (UID 993) and group 'avahi' (GID 988).
avahi-daemon[10662]: Successfully dropped root privileges.
avahi-daemon[10662]: avahi-daemon 0.7 starting up.
systemd[1]: Started Avahi mDNS/DNS-SD Stack.
avahi-daemon[10662]: Loading service file /etc/avahi/services/sftp-ssh.service.
avahi-daemon[10662]: Loading service file /etc/avahi/services/ssh.service.
avahi-daemon[10662]: socket() failed: Permission denied
systemd[1]: avahi-daemon.service: Main process exited, code=exited, 
status=255/n/a
systemd[1]: avahi-daemon.service: Unit entered failed state.
systemd[1]: avahi-daemon.service: Failed with result 'exit-code'.


On Donnerstag, 18. Jänner 2018 18:50:10 CET Lukáš Karas wrote:
> Just guessing, don't need Avahi open raw socket?
> Try to add capability CAP_NET_RAW to your avahi binary.
> 
> sudo setcap cap_net_raw+p /path/to/avahi
> 
> Lukas
> 
> Dne čtvrtek 18. ledna 2018 16:53:03 CET Michael Fuchs napsal(a):
> > Hi,
> > 
> > I'm trying to use avahi on Sailfish.
> > 
> > I built it here:
> > 
> > https://build.merproject.org/package/show/home:fooxl:sailfish/avahi-simple
> > 
> > In the emulator it runs fine by starting it via systemctl
> > 
> > # systemctl start avahi-daemon
> > 
> > The daemon forks and drops its privileges to avahi:avahi.
> > 
> > But on the device (JollaC) it complains about
> > 
> >     socket() failed: Permission denied
> > 
> > If I start it with
> > 
> > # avahi-daemon --no-drop-root
> > 
> > as root, it runs also fine on the device.
> > 
> > Could somebody please give me a hint, how to investigate this issue?
> > 
> > greetz, Michael.
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