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77 wiersze
3.5 KiB
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<!-- received="Sun Nov 21 21:02:11 1999 PST" -->
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<!-- sent="Mon, 22 Nov 1999 05:03:36 +0000" -->
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<!-- name="Bob van der Poel" -->
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<!-- subject="Re: GIMP/SANE PERMISSIONS" -->
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<title>sane-devel: Re: GIMP/SANE PERMISSIONS</title>
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<h1>Re: GIMP/SANE PERMISSIONS</h1>
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<b>Bob van der Poel</b> (<a href="mailto:bvdpoel@uniserve.com"><i>bvdpoel@uniserve.com</i></a>)<br>
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<i>Mon, 22 Nov 1999 05:03:36 +0000</i>
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<p>
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<ul>
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<li> <b>Messages sorted by:</b> <a href="date.html#211">[ date ]</a><a href="index.html#211">[ thread ]</a><a href="subject.html#211">[ subject ]</a><a href="author.html#211">[ author ]</a>
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<li> <b>Next message:</b> <a href="0212.html">Manuel Panea: "Re: Canon scanners"</a>
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<li> <b>Previous message:</b> <a href="0210.html">Rob Komar: "Re: GIMP/SANE PERMISSIONS"</a>
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<li> <b>Maybe in reply to:</b> <a href="0131.html">David McCormick: "GIMP/SANE PERMISSIONS"</a>
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<li> <b>Next in thread:</b> <a href="0216.html">Oliver Rauch: "Re: GIMP/SANE PERMISSIONS"</a>
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</ul>
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<i>> </i><br>
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<i>> Redhat 6.0 defaults "600" permissions on sg devices. Therefore</i><br>
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<i>> without read permissions, normal users cannot open sg devices.</i><br>
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<i>> One of the first questions I asked to a Linux newsgroup was</i><br>
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<i>> why a logical read operation such as scanning a document needed</i><br>
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<i>> write permissions. From memory the answer was something like</i><br>
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<i>> that that is just the way things are. Should it be?</i><br>
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<i>> </i><br>
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<p>
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I think that the real problem is in install programs/methods. If we were<br>
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to use Oliver's suggestion (creating a group 'scanner'), setting the<br>
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owner of /dev/sgX to 'scanner', its permissions to 660, and the scanner<br>
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binaries to be owned by 'scanner' we'd solve a whole heap of<br>
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problems.... But even with a great install, problems remain:<br>
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<p>
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- What users should be granted entrance to 'scanner' group?<br>
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- What device to set. Could be that the device changes?<br>
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<p>
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I suppose that the install program could do some checking (to see if<br>
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there is a 'scanner' group already, etc), and then do a dialogue to<br>
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asking for the information from the user (with some reasonable<br>
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defaults).<br>
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<p>
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A well thought out install (even if it calls for later root<br>
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intervention, or even a 'scanner permissions' program) might solve a lot<br>
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of the problems we're seeing on the list with permission problems.<br>
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<br>
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<br>
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<p>
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<pre>
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--
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__
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/ ) / Bob van der Poel
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/--< ____/__ <a href="mailto:bvdpoel@uniserve.com">bvdpoel@uniserve.com</a>
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/___/_(_) /_) <a href="http://users.uniserve.com/~bvdpoel">http://users.uniserve.com/~bvdpoel</a>
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<p>
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<p>
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<pre>
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--
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Source code, list archive, and docs: <a href="http://www.mostang.com/sane/">http://www.mostang.com/sane/</a>
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</pre>
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<!-- body="end" -->
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<p>
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<ul>
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<!-- next="start" -->
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<li> <b>Next message:</b> <a href="0212.html">Manuel Panea: "Re: Canon scanners"</a>
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<li> <b>Previous message:</b> <a href="0210.html">Rob Komar: "Re: GIMP/SANE PERMISSIONS"</a>
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<li> <b>Maybe in reply to:</b> <a href="0131.html">David McCormick: "GIMP/SANE PERMISSIONS"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0216.html">Oliver Rauch: "Re: GIMP/SANE PERMISSIONS"</a>
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<!-- reply="end" -->
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</ul>
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