12-09-2011
I am not a samba expert, or even an arch user, so regard the following with suspicion. That being said:
Quote:
Originally Posted by
konos5
1) When using the following settings for guest connections,
map to guest = bad user guest account = nobody
does user 'nobody' have to exist both on Samba AND on the system's accounts?
Not sure what you mean by "on Samba", but I believe account=nobody exists on any linux device by default, and it will probably be in your account database unless you remove it.
Quote:
Originally Posted by
konos5
2) If I change the second option to
guest account = myUnixAccountName
I notice that the system works perfectly well and serves guest connections just fine.
But how is that possible since myUnixAccountName doesn't exist on Samba?
In your example, 'guest account' maps account=guest (in the windows world) to account=myUnixAccountName in the linux world. Since you setup the device, I'm guessing you did so using account=myUnixAccountName, so now every guest access runs with your privileges. This may not be what you want, but at least it's useful for testing.
This User Gave Thanks to TomRoche For This Post:
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LEARN ABOUT NETBSD
xbdback
XBDBACK(4) BSD/xen Kernel Interfaces Manual XBDBACK(4)
NAME
xbdback -- Xen backend paravirtualized block device interface
SYNOPSIS
pseudo-device xbdback
DESCRIPTION
The xbdback interface forms the backend part of the paravirtualized drivers used by Xen domains to offer a block device interface, similar to
a hard disk. xbdback interfaces are backed either by a physical device directly, or an image file mounted through vnd(4).
All xbdback interfaces follow the ``xbdbackXiY'' naming convention, where 'X' represents the guest domain identifier, and 'Y' an arbitrary
identifier. This identifier is usually associated to the device node as seen by the guest using major(3) and minor(3) numbers. For example,
identifier ``769'' (0x301) means major 3 and minor 1, identified as ``hda1'' under Linux convention. For NetBSD, the guest device name spec-
ified in the guest configuration file does not matter, and can be chosen arbitrarily.
A xbdback interface will appear as a xbd(4) block device inside a NetBSD guest domain. In the XenStore, xbd and xbdback are identified by
``vbd'' (virtual block device) entries.
DIAGNOSTICS
xbd backend: attach device %s (size %d) for domain %d Gives the device used as xbdback interface for the given guest domain, and its size,
in bytes.
xbd backend 0x%x for domain %d using event channel %d, protocol %s Gives the backend identifier, guest domain ID, event channel ID, and pro-
tocol used for block level communication.
xbdback %s: can't VOP_OPEN device 0x%x: %d When this message appears in the system message buffer with error 16 (EBUSY), the device is
likely to be already mounted. It must be unmounted first, as the system will refuse to open it a second time.
SEE ALSO
vnd(4), xbd(4), xenbus(4)
HISTORY
The xbdback driver first appeared in NetBSD 4.0.
AUTHORS
The xbdback driver was written by Manuel Bouyer <bouyer@NetBSD.org>.
BSD
June 7, 2011 BSD