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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri">+Balbi<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in">On 1/9/17, 11:37 AM, "Kenneth Rohde Christiansen" <<a href="mailto:kenneth.christiansen@gmail.com">kenneth.christiansen@gmail.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Adding Sakari and Babu, who might want to add a few people from our side.
<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Cheers<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:.5in">
Kenneth<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">On Mon, Jan 9, 2017 at 10:20 AM Lars Knudsen <<a href="mailto:larsgk@gmail.com">larsgk@gmail.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Hi, <o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">I am currently looking into how we can make using WebUSB devices less painful for users on Linux.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">The main purpose of WebUSB (as far as I can see) is to enable certain CDC (in particular - but not limited to) devices communicate directly with browsers visiting certain trusted sites (listed inside a binary object
store - sent on initial handshake).<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">The spec is here: <a href="https://wicg.github.io/webusb/" target="_blank">https://wicg.github.io/webusb/</a> (already running fine in chrome stable)<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Examples:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><a href="https://www.youtube.com/watch?v=Z1Nk2hH2wFE" target="_blank">https://www.youtube.com/watch?v=Z1Nk2hH2wFE</a><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><a href="https://www.youtube.com/watch?v=o7wGt9RfHVA" target="_blank">https://www.youtube.com/watch?v=o7wGt9RfHVA</a><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><a href="https://twitter.com/denladeside/status/817451203076427783" target="_blank">https://twitter.com/denladeside/status/817451203076427783</a><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">I'm guessing the solution will consist of 2 parts:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">1. make sure no WebUSB device is picked up by modemmanager (modemmanager task)<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">2. make sure that webusb devices will be somehow accessible to be used by a browser running with user permissions (current temp solution listed here: adding user to plugdev, adding 0664 permissions to device:
<a href="https://developers.google.com/web/updates/2016/03/access-usb-devices-on-the-web" target="_blank">
https://developers.google.com/web/updates/2016/03/access-usb-devices-on-the-web</a> ) (udev/systemd task).<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">For 2. we need to either making all webusb devices accessible or find some other way the browsers can - in a generic way - gain access. In all cases, it's important that no USB interfaces has been pre-claimed by
the system (e.g. by cdc_acm) or it should be possible for the browser to throw off the claims.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">thoughts?<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">br<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Lars<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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