You have to write a wrapper application, that is then run as suid root,which in turn calls (a non-suid root) xscanimage.
The other option is to use the net backend. There are probably a number of instructions in the email archives. Karl Heinz On Thursday, September 18, 2003, at 08:17 PM, Phil Wirtz wrote: > Hi , I am setting up an epson es-600c parrallel scanner with > sane-backends-1.0.12, sane-frontends-1.0.11 on RH 7.3 os compiled with > gcc3. I have it working as root and now need to get it working as > user, per FAQ I need to suid something but it does not say what part > of sane needs to be suided . Looking through mailing list I found a > possible solution : > chown root xscanimage xsane scanimage > chmod 4755 xscanimage xsane scanimage > > ... of course you have to provide the correct paths for the > three programs. > > I tried this (without xsane) with the following results > scanimage- now works in normal user account > xscanimage- will not work in normal user account with the following > msgs > > [none@localhost none]$ xscanimage > > Gtk-WARNING **: This process is currently running setuid or setgid. > This is not a supported use of GTK+. You must create a helper > program instead. For further details, see: > > http://www.gtk.org/setuid.html > > Refusing to initialize GTK+. > > I restored original permisions ( chmod 755 /usr/local/bin/xscanimage) > and ran with the following results > > [none@localhost none]$ xscanimage > [epson] Cannot open 0x278 as a parallel-port device: Invalid argument > [xscanimage] No scanners were identified. If you were expecting > something > different, check that the scanner is plugged in, turned on and > detected by sane-find-scanner (if appropriate). Please read > the documentation which came with this software (README, FAQ, > manpages). > My scanner is at 0x278 which I set in /usr/local/etc/sane.d/epson.conf > as follows > # epson.conf > # > # here are some examples for how to configure the EPSON backend > # > # SCSI scanner: > #scsi EPSON > # > # Parallel port scanner: > pio 0x278 > #pio 0x378 > #pio 0x3BC > # > # USB scanner - only enable this if you have an EPSON scanner. It could > # otherwise block your non-EPSON scanner from being > # recognized. > # Depending on your distribution, you may need either the > # first or the second entry. > #usb /dev/usbscanner0 > #usb /dev/usb/scanner0 > > scanimage has no problen as shown below > [none@localhost none]$ scanimage -L -d epson > device `epson:0x278' is a Epson flatbed scanner > > which works fine > What do I have to do to get this working now and xsane working in the > future > > > > > _______________________________________________ > sane-devel mailing list > sane-devel@lists.alioth.debian.org > http://lists.alioth.debian.org/mailman/listinfo/sane-devel
