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Linux: SecurityError: Access denied. #16

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wraybowling opened this issue Jul 12, 2020 · 2 comments
Open

Linux: SecurityError: Access denied. #16

wraybowling opened this issue Jul 12, 2020 · 2 comments

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@wraybowling
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wraybowling commented Jul 12, 2020 •
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Using the programmer on linux, I get Access Denied error. According to a stackoverflow answer for using WebUSB on Linux, permissions must be given so that chrome can access the specific daisy seed connected on a specific USB port. The subthread suggests that the workarounds do not reliably work... So here I'll walk through the steps and paste the output.

Step 1: Identify the device via lsusb

$ lsusb
Bus 002 Device 004: ID 046d:c05a Logitech, Inc. M90/M100 Optical Mouse
Bus 002 Device 003: ID 413c:2003 Dell Computer Corp. Keyboard
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 005: ID 0483:df11 STMicroelectronics STM Device in DFU Mode
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Step 2: Create a new file in /etc/udev/rules.d/

sudo vim /etc/udev/rules.d/99-daisy.rules

# Daisy Seed in DFU Mode

SUBSYSTEM=="usb", ATTRS{idVendor}=="0483", ATTR{idProduct}=="df11", MODE="0660", GROUP="plugdev"

Step 3: Reconnect...
SecurityError: Access denied.

The same error occurs with a boiled down version that attempts to simply connect. So this isn't exclusive to the electrosmith programmer; it's across the board for Linux users and WebUSB.

<!DOCTYPE html>
<html>
<head allow="usb"></head>
    <body>
   <input type="submit" onclick="connect()" value="connect"/>

    <script>
    var device;
    function setup(device) {
        alert(device.productName+" open");
        return device.open()

        .then(() => device.selectConfiguration(1))
        .then(() => device.claimInterface(0))
    }

    function connect() {
        if (device == null) {
            //navigator.usb.requestDevice({ filters: [{ vendorId : 0483 }] })
	    navigator.usb.requestDevice({filters: []})
            .then(selectedDevice => {
                device = selectedDevice;
                console.log(device);
                return setup(device);
            })

            .catch(error => { console.log(error); })
        }


    }
    navigator.usb.getDevices()
    .then(devices => {
        if (devices.length > 0) {
            device = devices[0];
            return setup(device);
        }
    })
    .catch(error => { console.log(error); });
    </script>
    </body>
</html>

Javascript Console

USBDevice {
configurations: Array(1),
deviceClass: 0,
deviceProtocol: 0,
deviceSubclass: 0,
deviceVersionMajor: 2,
…
}
configuration: USBConfiguration {
configurationName: null,
configurationValue: 1,
interfaces: Array(1)
}
configurations: [USBConfiguration]
deviceClass: 0
deviceProtocol: 0
deviceSubclass: 0
deviceVersionMajor: 2
deviceVersionMinor: 0
deviceVersionSubminor: 0
manufacturerName: "STMicroelectronics"
opened: false
productId: 57105
productName: "DFU in FS Mode"
serialNumber: "200364500000"
usbVersionMajor: 2
usbVersionMinor: 0
usbVersionSubminor: 0
vendorId: 1155
__proto__: USBDevice

DOMException: Access denied.
@wraybowling
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This is a problem that happens with Teensy boards as well. Here's their udev file https://www.pjrc.com/teensy/49-teensy.rules

@ri0t ri0t mentioned this issue Sep 9, 2021
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@ri0t
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ri0t commented Sep 9, 2021

So... yeah that helped program... but i think, it lead to another problem - #31
Shouldn't be relevant here, though?

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@wraybowling @ri0t