Markus Robert Kessler wrote:
> Am Sat, 11 May 2019 20:29:27 +0000 schrieb Martin Gregorie:
>
>> On Sat, 11 May 2019 20:02:09 +0000, William Unruh wrote:
>>
>>> But PPD files are about as far from closed source as you can find.
>>> So I have no idea what the OP is talking about with hplip being closed
>>> source. It isn't.
>>>
>> I think the OP hasn't yet shed his Windows mental manacles: if something
>> is downloaded from the manufacturer's site, then it *must* be closed
>> source and proprietary.
>
> The "OP" has nothing against Windows, as long as others have to use it :-)
>
> And, if you have a closer look to what is being installed, then you find
> out that not only PPD files are installed to your machine -- which are
> plaintext indeed -- but also several executable shared objects (Windows-
> slang: "DLLs"). They live in
>
> /usr/share/hplip/{fax,prnt,scan}/plugins/*.so
>
> These files are downloaded when invoking "hp-setup" ==> download, and
> they ARE closed source.
>
> B.t.w. I also own a Brother Laser printer and this one is accessed via
> PCL protocol. PS can also be used. But this is a professional machine for
> office use. What we are talking about here is lowcost segment
> "Multifunction Fax Printers". Obviously the manufacturers behave
> differently in differents price sectors.
>


"closed source" when you include the *source* code?

~$ find Downloads/hplip-3.19.3/ -iname *.c* | egrep '(c|cpp)$'
Downloads/hplip-3.19.3/protocol/hp_ipp.c
Downloads/hplip-3.19.3/protocol/discovery/mdns.c
Downloads/hplip-3.19.3/pcard/pcardext/pcardext.c
Downloads/hplip-3.19.3/pcard/fat.c
Downloads/hplip-3.19.3/pcard/ptest.c
Downloads/hplip-3.19.3/ip/xgrayout.c
Downloads/hplip-3.19.3/ip/xgamma.c
Downloads/hplip-3.19.3/ip/xconvolve.c
Downloads/hplip-3.19.3/ip/xscale.c
Downloads/hplip-3.19.3/ip/xjpg_dec.c
Downloads/hplip-3.19.3/ip/xsaturation.c
Downloads/hplip-3.19.3/ip/xmatrix.c
Downloads/hplip-3.19.3/ip/xpad.c
Downloads/hplip-3.19.3/ip/xpnm.c
Downloads/hplip-3.19.3/ip/xthumb.c
Downloads/hplip-3.19.3/ip/xinvert.c
Downloads/hplip-3.19.3/ip/xjpg_fix.c
Downloads/hplip-3.19.3/ip/xchgbpp.c
Downloads/hplip-3.19.3/ip/xbi2gray.c
Downloads/hplip-3.19.3/ip/xtonemap.c
Downloads/hplip-3.19.3/ip/xjpg_huf.c
Downloads/hplip-3.19.3/ip/xskel.c
Downloads/hplip-3.19.3/ip/xfakemono.c
Downloads/hplip-3.19.3/ip/xtiff.c
Downloads/hplip-3.19.3/ip/ipmain.c
Downloads/hplip-3.19.3/ip/xcrop.c
Downloads/hplip-3.19.3/ip/xjpg_dct.c
Downloads/hplip-3.19.3/ip/xyxtract.c
Downloads/hplip-3.19.3/ip/xgray2bi.c
Downloads/hplip-3.19.3/ip/xfax.c
Downloads/hplip-3.19.3/ip/xrotate.c
Downloads/hplip-3.19.3/ip/xtable.c
Downloads/hplip-3.19.3/ip/xjpg_enc.c
Downloads/hplip-3.19.3/ip/xcolrspc.c
Downloads/hplip-3.19.3/ip/xpcx.c
Downloads/hplip-3.19.3/prnt/backend/hp.c
Downloads/hplip-3.19.3/prnt/hpcups/Hbpl1_Wrapper.cpp
Downloads/hplip-3.19.3/prnt/hpcups/genJPEGStrips.cpp
Downloads/hplip-3.19.3/prnt/hpcups/SystemServices.cpp
Downloads/hplip-3.19.3/prnt/hpcups/ModeDeltaPlus.cpp
Downloads/hplip-3.19.3/prnt/hpcups/dj4100ColorMaps.cpp
Downloads/hplip-3.19.3/prnt/hpcups/LJColor.cpp
Downloads/hplip-3.19.3/prnt/hpcups/ColorMatcher.cpp
Downloads/hplip-3.19.3/prnt/hpcups/genPCLm.cpp
Downloads/hplip-3.19.3/prnt/hpcups/Pcl3Gui2.cpp
Downloads/hplip-3.19.3/prnt/hpcups/LidilCompress.cpp
Downloads/hplip-3.19.3/prnt/hpcups/Mode2.cpp
Downloads/hplip-3.19.3/prnt/hpcups/LJJetReady.cpp
Downloads/hplip-3.19.3/prnt/hpcups/jdatadbf.c
Downloads/hplip-3.19.3/prnt/hpcups/Pcl3Gui.cpp
Downloads/hplip-3.19.3/prnt/hpcups/BreakTables.cpp
Downloads/hplip-3.19.3/prnt/hpcups/HPCupsFilter.cpp
Downloads/hplip-3.19.3/prnt/hpcups/Hbpl1.cpp
Downloads/hplip-3.19.3/prnt/hpcups/Lidil.cpp
Downloads/hplip-3.19.3/prnt/hpcups/Pcl3.cpp
Downloads/hplip-3.19.3/prnt/hpcups/dbuscomm.cpp
Downloads/hplip-3.19.3/prnt/hpcups/EncapsulatorFactory.cpp
Downloads/hplip-3.19.3/prnt/hpcups/Compressor.cpp
Downloads/hplip-3.19.3/prnt/hpcups/LJZjStream.cpp
Downloads/hplip-3.19.3/prnt/hpcups/Scaler.cpp
Downloads/hplip-3.19.3/prnt/hpcups/QuickConnect.cpp
Downloads/hplip-3.19.3/prnt/hpcups/Utils.cpp
Downloads/hplip-3.19.3/prnt/hpcups/RunLenEncoding.cpp
Downloads/hplip-3.19.3/prnt/hpcups/ModeJbig.cpp
Downloads/hplip-3.19.3/prnt/hpcups/jccolor.c
Downloads/hplip-3.19.3/prnt/hpcups/Mode9.cpp
Downloads/hplip-3.19.3/prnt/hpcups/LJFastRaster.cpp
Downloads/hplip-3.19.3/prnt/hpcups/dj8xxColorMaps.cpp
Downloads/hplip-3.19.3/prnt/hpcups/dj600ColorMaps.cpp
Downloads/hplip-3.19.3/prnt/hpcups/RasterSender.cpp
Downloads/hplip-3.19.3/prnt/hpcups/dj3600ColorMaps.cpp
Downloads/hplip-3.19.3/prnt/hpcups/dj3320ColorMaps.cpp
Downloads/hplip-3.19.3/prnt/hpcups/Mode3.cpp
Downloads/hplip-3.19.3/prnt/hpcups/Processor.cpp
Downloads/hplip-3.19.3/prnt/hpcups/Encapsulator.cpp
Downloads/hplip-3.19.3/prnt/hpcups/ErnieFilter.cpp
Downloads/hplip-3.19.3/prnt/hpcups/Halftoner.cpp
Downloads/hplip-3.19.3/prnt/hpcups/LJMono.cpp
Downloads/hplip-3.19.3/prnt/hpcups/dj400ColorMaps.cpp
Downloads/hplip-3.19.3/prnt/hpcups/Mode10.cpp
Downloads/hplip-3.19.3/prnt/hpcups/ModeJpeg.cpp
Downloads/hplip-3.19.3/prnt/hpcups/dj970ColorMaps.cpp
Downloads/hplip-3.19.3/prnt/hpcups/LJZxStream.cpp
Downloads/hplip-3.19.3/prnt/hpcups/Job.cpp
Downloads/hplip-3.19.3/prnt/hpcups/Pipeline.cpp
Downloads/hplip-3.19.3/prnt/hpijs/dj970_maps.cpp
Downloads/hplip-3.19.3/prnt/hpijs/ljjetready.cpp
Downloads/hplip-3.19.3/prnt/hpijs/systemservices.cpp
Downloads/hplip-3.19.3/prnt/hpijs/registry.cpp
Downloads/hplip-3.19.3/prnt/hpijs/dj690.cpp
Downloads/hplip-3.19.3/prnt/hpijs/breaks_open.cpp
Downloads/hplip-3.19.3/prnt/hpijs/djgenericvip.cpp
Downloads/hplip-3.19.3/prnt/hpijs/dj850.cpp
Downloads/hplip-3.19.3/prnt/hpijs/printerproxy.cpp
Downloads/hplip-3.19.3/prnt/hpijs/scaler.cpp
Downloads/hplip-3.19.3/prnt/hpijs/printer.cpp
Downloads/hplip-3.19.3/prnt/hpijs/halftoner_open.cpp
Downloads/hplip-3.19.3/prnt/hpijs/apollo2xxx.cpp
Downloads/hplip-3.19.3/prnt/hpijs/create_so.cpp
Downloads/hplip-3.19.3/prnt/hpijs/dj660_maps.cpp
Downloads/hplip-3.19.3/prnt/hpijs/capture.cpp
Downloads/hplip-3.19.3/prnt/hpijs/dj6xx.cpp
Downloads/hplip-3.19.3/prnt/hpijs/dj970_maps3.cpp
Downloads/hplip-3.19.3/prnt/hpijs/jdatadbf.c
Downloads/hplip-3.19.3/prnt/hpijs/dj8xx.cpp
Downloads/hplip-3.19.3/prnt/hpijs/dj630.cpp
Downloads/hplip-3.19.3/prnt/hpijs/ljzjscolor.cpp
Downloads/hplip-3.19.3/prnt/hpijs/dj3600_cmap.cpp
Downloads/hplip-3.19.3/prnt/hpijs/dj540.cpp
Downloads/hplip-3.19.3/prnt/hpijs/dj3600.cpp
Downloads/hplip-3.19.3/prnt/hpijs/dj9xxvip.cpp
Downloads/hplip-3.19.3/prnt/hpijs/context2.cpp
Downloads/hplip-3.19.3/prnt/hpijs/ijs.c
Downloads/hplip-3.19.3/prnt/hpijs/dj3320_cmap.cpp
Downloads/hplip-3.19.3/prnt/hpijs/ljzjsmono.cpp
Downloads/hplip-3.19.3/prnt/hpijs/version.cpp
Downloads/hplip-3.19.3/prnt/hpijs/dj850_maps.cpp
Downloads/hplip-3.19.3/prnt/hpijs/psp100.cpp
Downloads/hplip-3.19.3/prnt/hpijs/dj3320.cpp
Downloads/hplip-3.19.3/prnt/hpijs/hpiom.c
Downloads/hplip-3.19.3/prnt/hpijs/quickconnect.cpp
Downloads/hplip-3.19.3/prnt/hpijs/hpijsfax.cpp
Downloads/hplip-3.19.3/prnt/hpijs/dj660.cpp
Downloads/hplip-3.19.3/prnt/hpijs/script.cpp
Downloads/hplip-3.19.3/prnt/hpijs/phobos_cmaps.cpp
Downloads/hplip-3.19.3/prnt/hpijs/pmselect.cpp
Downloads/hplip-3.19.3/prnt/hpijs/halftoner.cpp
Downloads/hplip-3.19.3/prnt/hpijs/dj9xx.cpp
Downloads/hplip-3.19.3/prnt/hpijs/printerfactory.cpp
Downloads/hplip-3.19.3/prnt/hpijs/services.cpp
Downloads/hplip-3.19.3/prnt/hpijs/dj890.cpp
Downloads/hplip-3.19.3/prnt/hpijs/scaler_open.cpp
Downloads/hplip-3.19.3/prnt/hpijs/dj690_maps.cpp
Downloads/hplip-3.19.3/prnt/hpijs/apollo21xx.cpp
Downloads/hplip-3.19.3/prnt/hpijs/colormatch.cpp
Downloads/hplip-3.19.3/prnt/hpijs/dj600.cpp
Downloads/hplip-3.19.3/prnt/hpijs/dj600_maps.cpp
Downloads/hplip-3.19.3/prnt/hpijs/ljzjs.cpp
Downloads/hplip-3.19.3/prnt/hpijs/compression.cpp
Downloads/hplip-3.19.3/prnt/hpijs/dj8x5.cpp
Downloads/hplip-3.19.3/prnt/hpijs/dj4100_cmap.cpp
Downloads/hplip-3.19.3/prnt/hpijs/ljmono.cpp
Downloads/hplip-3.19.3/prnt/hpijs/colormatcher_open.cpp
Downloads/hplip-3.19.3/prnt/hpijs/versioncode.cpp
Downloads/hplip-3.19.3/prnt/hpijs/hpijs.cpp
Downloads/hplip-3.19.3/prnt/hpijs/jccolor.c
Downloads/hplip-3.19.3/prnt/hpijs/dj895_maps.cpp
Downloads/hplip-3.19.3/prnt/hpijs/filterhpa.cpp
Downloads/hplip-3.19.3/prnt/hpijs/dj350.cpp
Downloads/hplip-3.19.3/prnt/hpijs/ljcolor.cpp
Downloads/hplip-3.19.3/prnt/hpijs/hpcupsfax.cpp
Downloads/hplip-3.19.3/prnt/hpijs/translator.cpp
Downloads/hplip-3.19.3/prnt/hpijs/models.cpp
Downloads/hplip-3.19.3/prnt/hpijs/apollo2560.cpp
Downloads/hplip-3.19.3/prnt/hpijs/htmtxhi.cpp
Downloads/hplip-3.19.3/prnt/hpijs/ljfastraster.cpp
Downloads/hplip-3.19.3/prnt/hpijs/ljm1005.cpp
Downloads/hplip-3.19.3/prnt/hpijs/ijs_server.c
Downloads/hplip-3.19.3/prnt/hpijs/globals.cpp
Downloads/hplip-3.19.3/prnt/hpijs/dj970_maps2.cpp
Downloads/hplip-3.19.3/prnt/hpijs/header2.cpp
Downloads/hplip-3.19.3/prnt/hpijs/PrinterProperties.cpp
Downloads/hplip-3.19.3/prnt/hpijs/creator.cpp
Downloads/hplip-3.19.3/prnt/hpijs/dj895_maps2.cpp
Downloads/hplip-3.19.3/prnt/hpijs/job.cpp
Downloads/hplip-3.19.3/prnt/hpps/hppsfilter.c
Downloads/hplip-3.19.3/prnt/hpps/psbooklet.c
Downloads/hplip-3.19.3/prnt/hpps/psspec.c
Downloads/hplip-3.19.3/prnt/hpps/pserror.c
Downloads/hplip-3.19.3/prnt/hpps/psutil.c
Downloads/hplip-3.19.3/prnt/cupsext/cupsext.c
Downloads/hplip-3.19.3/FindPPD.cpp
Downloads/hplip-3.19.3/Dat2drv.cpp
Downloads/hplip-3.19.3/Normalize.cpp
Downloads/hplip-3.19.3/common/utils.c
Downloads/hplip-3.19.3/io/hpmud/pp.c
Downloads/hplip-3.19.3/io/hpmud/dot4.c
Downloads/hplip-3.19.3/io/hpmud/pml.c
Downloads/hplip-3.19.3/io/hpmud/musb.c
Downloads/hplip-3.19.3/io/hpmud/mlc.c
Downloads/hplip-3.19.3/io/hpmud/musb_libusb01.c
Downloads/hplip-3.19.3/io/hpmud/model.c
Downloads/hplip-3.19.3/io/hpmud/jd.c
Downloads/hplip-3.19.3/io/hpmud/hpmud.c
Downloads/hplip-3.19.3/io/mudext/hpmudext.c
Downloads/hplip-3.19.3/scan/sane/soapht.c
Downloads/hplip-3.19.3/scan/sane/http.c
Downloads/hplip-3.19.3/scan/sane/soap.c
Downloads/hplip-3.19.3/scan/sane/ledm.c
Downloads/hplip-3.19.3/scan/sane/xml.c
Downloads/hplip-3.19.3/scan/sane/scl.c
Downloads/hplip-3.19.3/scan/sane/sanei_init_debug.c
Downloads/hplip-3.19.3/scan/sane/mfpdtf.c
Downloads/hplip-3.19.3/scan/sane/orblite.c
Downloads/hplip-3.19.3/scan/sane/pml.c
Downloads/hplip-3.19.3/scan/sane/marvell.c
Downloads/hplip-3.19.3/scan/sane/common.c
Downloads/hplip-3.19.3/scan/sane/io.c
Downloads/hplip-3.19.3/scan/sane/sclpml.c
Downloads/hplip-3.19.3/scan/sane/bb_ledm.c
Downloads/hplip-3.19.3/scan/sane/hpaio.c
Downloads/hplip-3.19.3/scan/sane/escl.c
Downloads/hplip-3.19.3/scan/scanext/scanext.c

--
Take care,

Jonathan
-------------------
LITTLE WORKS STUDIO
http://www.LittleWorksStudio.com

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