[Cin] cdrecord as user

[Terje J. Hanssen]

Den 27.12.2022 02:33, skrev Andrew Randrianasulu:
> According to this bug
>
> https://bugs.archlinux.org/task/67265
>
> you can set up file capabilities on cdrecord binary during package 
> creation or later
>
> I set as root
>
> setcap 
> cap_sys_resource,cap_dac_override,cap_sys_admin,cap_sys_nice,cap_net_bind_service,cap_ipc_lock,cap_sys_rawio+ep 
> /usr/bin/cdrecord

I have tried that setcap command, which seemingly solved the reported 
permission issues, but not the burning fail problems.

I have also tried to setup K3b > Programs > Permissions as described on 
the Manjaro forum here
https://forum.manjaro.org/t/k3b-can-t-burn-iso-image/3691

In my case:

ls -la /usr/bin/cdrecord
-rwxr-xr-x 1 root root 442160 nov.  23  2020 /usr/bin/cdrecord

# chmod 4711 /usr/bin/cdrecord
# chmod 4711 /usr/bin/cdrdao
# chmod 0750 /usr/bin/growisofs

# chown root:cdrom /usr/bin/cdrecord
# chown root:cdrom /usr/bin/cdrdao
# chown root:cdrom /usr/bin/growisofs

# ls -la /usr/bin/cdrecord
-rwx--x--x 1 root cdrom 442160 Nov 23  2020 /usr/bin/cdrecord
# ls -la /usr/bin/cdrdao
-rwx--x--x 1 root cdrom 646976 May 31  2018 /usr/bin/cdrdao
l# ls -la /usr/bin/growisofs
-rwxr-x--- 1 root cdrom 117792 Mar 31  2022 /usr/bin/growisofs

At first K3b did not longer get access to the writer, then ran the 
setcap command again and got access.
But unhappily, the BD-R/RE DL disc burning issues still appear.......





>
> and it seems to work
>
> # getcap /usr/bin/cdrecord                                         
> /usr/bin/cdrecord 
> cap_dac_override,cap_net_bind_service,cap_ipc_lock,cap_sys_rawio,cap_sys_admin,cap_sys_nice,cap_sys_resource=ep
>
> ===
>
> guest at slax:~$ cdrecord --scanbus
> Cdrecord-ProDVD-ProBD-Clone 3.02a09 (i686-pc-linux-gnu) Copyright (C) 
> 1995-2016 Joerg Schilling
> Linux sg driver version: 3.5.36
> Using libscg version 'schily-0.9'.
> scsibus0:
>         0,0,0     0) 'ATA     ' 'WDC WD10EZEX-00B' '1A01' Disk
>         0,1,0     1) *
>         0,2,0     2) *
>         0,3,0     3) *
>         0,4,0     4) *
>         0,5,0     5) *
>         0,6,0     6) *
>         0,7,0     7) *
> scsibus4:
>         4,0,0   400) *
>         4,1,0   401) 'PIONEER ' 'DVD-RW DVR-S21 ' 'PA01' Removable CD-ROM
>         4,2,0   402) *
>         4,3,0   403) *
>         4,4,0   404) *
>         4,5,0   405) *
>         4,6,0   406) *
>         4,7,0   407) *
>
> ====