Setting USB port permissions with udev rules ?

Setting USB port permissions with udev rules ?

[linuxguy]

Somewhat off topic.  Sorry.  I don't know where else to turn for advice.

I have several USB devices that I need to set permissions for.  I have
created a file called 55-myusb-rules and put it in /etc/udev/rules.d.

This is the file:

#OLIMEX USB JTAG Debugger
#This one works
SYSFS{idProduct}="0003", SYSFS{idVendor}="15ba", MODE="666",
OWNER="xxx", GROUP="users"

#PL2303 USB SERIAL DEVICES
#This one works
SYSFS{idProduct}="2303", SYSFS{idVendor}="067b", MODE="666",
OWNER="xxx", GROUP="users"

#Custom Device
#This rule does not work !
SYSFS{idProduct}=”0004”, SYSFS{idVendor}=”efff”, MODE=”666”,
OWNER="xxx", GROUP-"users"

As the comments in the rules state, the permissions do not set properly
for the last device.

Here is what is on my computer for USB devices. 

$ lsusb
Bus 002 Device 002: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial
Port
Bus 002 Device 003: ID 15ba:0003
Bus 002 Device 001: ID 0000:0000
Bus 003 Device 006: ID efff:0004
Bus 003 Device 002: ID 046d:c512 Logitech, Inc.
Bus 003 Device 001: ID 0000:0000
Bus 004 Device 001: ID 0000:0000
Bus 001 Device 001: ID 0000:0000

$ ls -l /dev/bus/usb/003/
total 0
crw-rw-r-- 1 root root 189, 256 2007-03-22 01:26 001
crw-rw-r-- 1 root root 189, 257 2007-03-22 11:26 002
crw-rw-r-- 1 root root 189, 261 2007-03-22 11:15 006

Yet for the first two...
ls -l /dev/bus/usb/002/
total 0
crw-rw-r-- 1 root  root  189, 128 2007-03-22 01:26 001
crw-rw-r-- 1 xxx users 189, 129 2007-03-22 07:26 002
crwxrwxrwx 1 xxx users 189, 130 2007-03-22 11:08 003

If I manually set the permissions for the third device, it works fine.  
Why doesn't my rule set the permission for the 3rd device ?

Thanks. 



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Re: Setting USB port permissions with udev rules ?

[Kay Sievers]

On 3/23/07, linuxguy <linuxguy123@gmail.com> wrote:
> I have several USB devices that I need to set permissions for.  I have
> created a file called 55-myusb-rules and put it in /etc/udev/rules.d.

> #Custom Device
> #This rule does not work !
> SYSFS{idProduct}="0004", SYSFS{idVendor}="efff", MODE="666",
> OWNER="xxx", GROUP-"users"
>
> As the comments in the rules state, the permissions do not set properly
> for the last device.
> If I manually set the permissions for the third device, it works fine.
> Why doesn't my rule set the permission for the 3rd device ?

It should be GROUP= instead of GROUP-, does that make a difference?

Kay

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Re: Setting USB port permissions with udev rules ?

[Sergey Vlasov]

On Thu, 22 Mar 2007 17:13:18 -0600 linuxguy wrote:

> #OLIMEX USB JTAG Debugger
> #This one works
> SYSFS{idProduct}="0003", SYSFS{idVendor}="15ba", MODE="666",
> OWNER="xxx", GROUP="users"
> 
> #PL2303 USB SERIAL DEVICES
> #This one works
> SYSFS{idProduct}="2303", SYSFS{idVendor}="067b", MODE="666",
> OWNER="xxx", GROUP="users"
> 
> #Custom Device
> #This rule does not work !
> SYSFS{idProduct}=___0004___, SYSFS{idVendor}=___efff___, MODE=___666___,

This line contained Unicode U+201D "RIGHT DOUBLE QUOTATION MARK"
characters instead of ASCII U+0022 "QUOTATION MARK" characters.
Other (working) lines contain proper ASCII quotes.

> OWNER="xxx", GROUP-"users"

And here is '-' instead of '=' sign.

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