udev and cdrom permissions

[Stefan Schweizer <sschweizer@gmail.com>]

Hi,

with udev we have the general problem that it sets the group disk for
every hd* device. With this normal users cant write or read cdroms
without being in the disk group which is a security problem.
We really need to assign the cdrom group to cdrom-devices.

I have 2 solutions to propose:
1) We make udev follow symlinks while setting permissions. So if udev
assigns permissions to /dev/cdroms/cdrom0 it should set the permission
for the source of the symlink.

2) We make hd* the symlink. This way /dev/cdroms/cdrom* and
/dev/discs/disc* would be the real device nodes and therefore have the
right permissions.

Do you have other possible solutions, and what solution doyou think is best?


Thanks
Stefan Schweizer


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