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Date: Thu, 16 Sep 2004 15:13:53 +0400
From: "Eugene M. Minkovskii" <emin@mccme.ru>
To: freebsd-questions@freebsd.org
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Subject: cdda2wav: Fatal error: did not drop root privilege
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My cdda2wav did not work under user (but work under root).
I was trying to set suid bit but don't take success. What do yuo
think about?

--- begin paste of my tty ---------

[emin:~]$ cat /etc/fbtab
/dev/ttyv0 0660 /dev/fd0:/dev/acd0

[emin:~]$ ll /dev/{a,}cd0
crw-rw----  1 emin  emin        4,  12 10 ΣΕΞ 19:24 /dev/acd0
crw-r-----  1 root  operator    4,  20 10 ΣΕΞ 19:24 /dev/cd0

[emin:~]$ id
uid=1001(emin) gid=1001(emin) groups=1001(emin), 5(operator)
## So you can see: I am in operator group

[emin:~]$ sudo chmod 4110 /usr/local/bin/cdda2wav
[emin:~]$ ll /usr/local/bin/cdda2wav
---s--x---  1 root  operator  240964  6 ΔΕΛ  2003
/usr/local/bin/cdda2wav*

[12:49:01]0[emin:~]$ /usr/local/bin/cdda2wav -B
Type: ROM, Vendor 'TEAC    ' Model 'CD-552E         ' Revision
'1.00' MMC+CDDA
266240 bytes buffer memory requested, 4 buffers, 27 sectors
...........................................................
percent_done:
  0%Fatal error:  did not drop root privilege.
  0%child reader sem request failed

W Child exited with 2
[emin:~]$ 

--- end paste of my tty ---------