RE: cdrecord as user

[Žáček Kryštof <Krystof.Zacek@i.cz>]

This is a working setup. Note that cdrecord.mmap must be suid root too.

-rws--x---  1 root cdrecording 566344 2004-06-24 /usr/bin/cdrdao
-rwxr-xr--  1 root cdrom          133 2005-09-17 /usr/bin/cdrecord
-rws--x---  1 root cdrecording 323540 2005-09-17 /usr/bin/cdrecord.mmap
-rwxr-xr--  1 root cdrom       323540 2005-09-17 /usr/bin/cdrecord.shm

-----Original Message-----
From: Ernst-Magne Vindal [mailto:ernst@vindal.com] 
Sent: Wednesday, January 04, 2006 12:14 PM
To: Lukas Ruf
Cc: Debian User
Subject: Re: cdrecord as user


On Wed, January 4, 2006 11:41, Lukas Ruf said:
>> Ernst-Magne Vindal <ernst@vindal.com> [2006-01-04 10:45]:
>>
>> Hi, I need help get cdrecord running as normal user.
>>
>> I have installed it as suid root but get access denied trying to run it
>> as
>> normal user. The user is in the group "cdrom"
>>
>
> what is the output of 'id -a' as that user?  If it's yourself, have
> logout out completely after having added yourself to cdrom?   You
> could also try 'ssh localhost' and try cdrecord again.
>
> What were the exact error messages?
>
> wbr,
> Lukas
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Got it, I think....

ernst@ns01:~$ cdrecord -scanbus
Cdrecord-Clone 2.01.01a01 (i686-pc-linux-gnu) Copyright (C) 1995-2004 Jörg
Schilling
NOTE: this version of cdrecord is an inofficial (modified) release of
cdrecord
      and thus may have bugs that are not present in the original version.
      Please send bug reports and support requests to
<cdrtools@packages.debian.org>.
      The original author should not be bothered with problems of this
version.

cdrecord: Warning: Running on Linux-2.6.8-2-686
cdrecord: There are unsettled issues with Linux-2.5 and newer.
cdrecord: If you have unexpected problems, please try Linux-2.4 or Solaris.
cdrecord: Warning: Linux-2.6.8 introduced incompatible interface changes.
cdrecord: Warning: SCSI transport does no longer work for suid root programs.
cdrecord: Warning: if cdrecord fails, try to run it from a root account.
Linux sg driver version: 3.5.31
Using libscg version 'schily-0.8'.
scsibus0:
        0,0,0     0) *
        0,1,0     1) *
        0,2,0     2) *
        0,3,0     3) 'TEAC    ' 'CD-W512SB       ' '1.0C' Removable CD-ROM
        0,4,0     4) *
        0,5,0     5) *
        0,6,0     6) *
        0,7,0     7) *
scsibus2:
        2,0,0   200) 'Maxtor  ' 'OneTouch II     ' '023g' Disk
        2,1,0   201) *
        2,2,0   202) *
        2,3,0   203) *
        2,4,0   204) *
        2,5,0   205) *
        2,6,0   206) *
        2,7,0   207) *
ernst@ns01:~$

I did chmod 4755 on /usr/bin/cdrecord, it was 4750.
But as you can see I get warning about running it as user. I have done it
before this change with webmin, that worked ok.
I doing this via ssh so I will burn a test cd as soon as I get home.

At least, Im able to run the command "cdrecord" :)

Thanks all

-- 
/ernst-magne


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