Kernel modules
Andrea Mastellone
andrea.mastellone at fastwebnet.it
Mon Sep 15 15:22:00 UTC 2008
Mikkel L. Ellertson wrote:
> Andrea Mastellone wrote:
>> Hi to all,
>>
>> I am collabortaing to develop a kernel driver for m5602-based webcams.
>> When I insert as root the kernel module, it creates the /dev/video0
>> which has the following permissions
>>
>> crw-rw---- root,root
>>
>> so that an user cannot access to the webcam :(
>>
>> How to give instead the
>>
>> crw-rw-rw-
>>
>> permissions ? If not a driver issue, I think it is an udev issue, isn't
>> it ?
>>
>> Thank you,
>>
>> Andrea
>>
> Do you want to limit access to the user logged into the console, or
> do you want it accessible to all users? To limit it the console
> user, take a look at console.perms. You will need to create a rule
> for it in /etc/security/console.perms.d. To change the permissions
> when it is created, you will have to add a udev rule to set permissions.
>
Hi Mikkel,
thank you for reply. Since the cam is used by who has a graphical
session in that moment, perhaps the most suitable option is to make the
video device accessible to the console users. You say
> To change the permissions
> when it is created, you will have to add a udev rule to set
> permissions.
I will try to read some man page on that now...
Andrea
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