{"id":83379,"date":"2020-05-30T19:42:20","date_gmt":"2020-05-30T17:42:20","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/usb-over-ip-v-domashnih-usloviyah"},"modified":"2020-05-30T19:42:20","modified_gmt":"2020-05-30T17:42:20","slug":"usb-over-ip-v-domashnih-usloviyah","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/administrirovanie\/usb-over-ip-v-domashnih-usloviyah","title":{"rendered":"USB over IP i hjemmet","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Nogle gange opst\u00e5r der et \u00f8nske om at arbejde med en enhed tilsluttet via USB, uden at holde den p\u00e5 bordet ved siden af laptoppen. Min enhed er en kinesisk lasergraver p\u00e5 500 mW, hvilket er temmelig ubehageligt ved t\u00e6t kontakt. Udover den direkte fare for \u00f8jnene, frigives der toksiske forbr\u00e6ndingsprodukter under laserens drift, s\u00e5 enheden skal v\u00e6re i et godt ventileret rum og helst isoleret fra mennesker. Men hvordan kan man styre s\u00e5dan en enhed? Svaret p\u00e5 dette sp\u00f8rgsm\u00e5l fandt jeg tilf\u00e6ldigvis ved at gennemg\u00e5 OpenWRT-repositoriet i h\u00e5bet om at finde en v\u00e6rdig anvendelse til min gamle D-Link DIR-320 A2-router. Til tilslutning valgte jeg at bruge det, der tidligere blev beskrevet p\u00e5 Habr. USB over IP tunnel<\/b>, men alle installationsvejledningerne er blevet for\u00e6ldede, s\u00e5 jeg skriver min egen.
\n<\/a><\/noindex>
\nOpenWRT er et operativsystem, der ikke beh\u00f8ver nogen introduktion, s\u00e5 jeg vil ikke g\u00e5 i detaljer med installationen. Til min router tog jeg den seneste stabile version OpenWrt 19.07.3 og tilsluttede den til hovedadgangspunktet via Wi-Fi som klient, og valgte tilstanden lan<\/i>, s\u00e5 jeg ikke plager firewallen.<\/p>\n

Serverdelen<\/h2>\n

\nF\u00f8lg den officielle vejledning<\/a><\/noindex>. Efter tilslutning via ssh installerer vi de n\u00f8dvendige pakker.<\/p>\n

root@OpenWrt:~# opkg update\nroot@OpenWrt:~# opkg install kmod-usb-ohci usbip-server usbip-client<\/code><\/pre>\n
\nDerefter tilslutter vi vores enhed til routerens USB-port (i mit tilf\u00e6lde enheder: USB-hub, et USB-drev, som har routerens filsystem monteret (p\u00e5 grund af mangel p\u00e5 plads p\u00e5 den interne lagringsenhed), og selve graverens enhed).<\/p>\n
Lad os pr\u00f8ve at vise listen over tilsluttede enheder:<\/p>\n
root@OpenWrt:~# usbip list -l<\/code><\/pre>\n
\nTom.<\/p>\n
Ved at google fandt jeg synderen, som viste sig at v\u00e6re biblioteket libudev-fbsd<\/b>.
\nVi henter manuelt den seneste fungerende version fra repositoriet libudev_3.2-1<\/b> fra OpenWRT 17.01.7 til vores arkitektur, i mit tilf\u00e6lde libudev_3.2-1_mipsel_mips32.ipk. Vi bruger wget\/scp til at uploade den til routerens hukommelse og geninstallerer<\/p>\n
root@OpenWrt:~# opkg remove --force-depends libudev-fbsd\nroot@OpenWrt:~# opkg install libudev_3.2-1_mipsel_mips32.ipk\n<\/code><\/pre>\n
\nVi tjekker:<\/p>\n
root@OpenWrt:~# usbip list -l\n - busid 1-1.1 (090c:1000)\n   Silicon Motion, Inc. - Taiwan (tidligere Feiya Technology Corp.) : Flashdrev (090c:1000)\n\n - busid 1-1.4 (1a86:7523)\n   QinHeng Electronics : HL-340 USB-seriel adapter (1a86:7523)<\/code><\/pre>\n
\nKineseren, der er tilsluttet USB-hubben, fik bsuid 1-1.4<\/b>. Husk det.<\/p>\n
Nu starter vi d\u00e6monen:<\/p>\n
root@OpenWrt:~# usbipd -D<\/code><\/pre>\n
\nog binder kineseren<\/p>\n
root@OpenWrt:~# usbip bind -b 1-1.4\nusbip: info: bind device on busid 1-1.4: complete<\/code><\/pre>\n
\nLad os tjekke, om alt fungerer:<\/p>\n
root@OpenWrt:\u200d\/home# netstat -alpt\nActive Internet connections (servers and established)\nProto Recv-Q Send-Q Local Address           Foreign Address         State       PID\/Program name\ntcp        0      0 0.0.0.0:3240            0.0.0.0:*               LISTEN      1884\/usbipd<\/code><\/pre>\n
\nFor automatically binding the device further, we will edit \/etc\/rc.local<\/i>, adding before exit 0<\/i> f\u00f8lgende:<\/p>\n
usbipd -D &\nsleep 1\nusbip bind -b 1-1.4<\/code><\/pre>\n
<\/p>\n
Klientdelen<\/h2>\n
\nLet's try to connect the device to Windows 10 using the aforementioned instructions from openwrt.org. I must say right away: the endeavor is doomed to failure. Firstly, it only considers Windows 7 x64. Secondly, there is a link to a thread on sourceforge.net, suggesting to download a patched driver from Dropbox from 2014. When attempting to run it on Windows 10 and connect to our device, we get the error:<\/p>\n
c:Utilsusbip>usbip -a 192.168.31.203 1-1.4\nusbip for windows ($Id$)\n\n*** ERROR: cannot find device<\/code><\/pre>\n
\nThis is related to the fact that the client does not work with a server built on kernels older than version 3.14.
\nThe usbip server on OpenWRT 19.07.3 is built on kernel 4.14.180.<\/p>\n
Continuing my search, I come across an up-to-date development of a Windows client on github<\/a><\/noindex>. Okay, Windows 10 x64 support is claimed, but the client is purely experimental, so there are a number of limitations.<\/p>\n
So, first they ask to install the certificate, and surprisingly, twice. Okay, we place it in Trusted Root Certification Authority and Trusted Publishers.<\/p>\n
Next, it is necessary to switch the operating system to test mode. This is done with the command<\/p>\n
bcdedit.exe \/set TESTSIGNING ON<\/code><\/pre>\n
\nI didn't succeed the first time, it was interfered by secure boot<\/b>. To disable it, it is necessary to reboot into UEFI and set secure boot \u2014 disable. On some models of laptops, setting a supervisor password may be required.<\/p>\n
After that, we boot into Windows and do bcdedit.exe \/set TESTSIGNING ON<\/i>
\nWindows says everything is okay. We reboot again and see in the bottom right corner the inscription Test Mode, version, and OS build number. <\/p>\n
What are all these manipulations for? To install an unsigned driver USB\/IP VHCI<\/b>. It is suggested to do this by downloading the files usbip.exe, usbip_vhci.sys, usbip_vhci.inf, usbip_vhci.cer, usbip_vhci.cat, and executing with administrator rights<\/p>\n
usbip.exe install<\/code><\/pre>\n
\nor the second method, installing Legacy Hardware manually. I chose the second option and received a warning about installing an unsigned driver and agreed to it.<\/p>\n
Next, we check that we have the opportunity to connect to the remote USB device by executing the command:<\/p>\n
usbip.exe list -r<\/code><\/pre>\n
\nwe get the list of devices:<\/p>\n
c:Utilsusbip>usbip.exe list -r 192.168.31.203\nusbip: error: failed to open usb id database\nExportable USB devices\n======================\n - 192.168.31.203\n      1-1.4: unknown vendor : unknown product (1a86:7523)\n           : \/sys\/devices\/ssb0:1\/ehci-platform.0\/usb1\/1-1\/1-1.4\n           : unknown class \/ unknown subclass \/ unknown protocol (ff\/00\/00)<\/code><\/pre>\n
\nom fejlen usbip: error: failed to open usb id database<\/i> vi ignorerer det, det p\u00e5virker ikke arbejdet.<\/p>\n
Nu binder vi enheden:<\/p>\n
c:Utilsusbip>usbip.exe attach -r 192.168.31.203 -b 1-1.4<\/code><\/pre>\n
\nF\u00e6rdig, Windows har opdaget en ny enhed, nu kan den bruges som om den var fysisk tilsluttet til b\u00e6rbaren.<\/p>\n
Jeg har haft lidt problemer med den kinesiske grav\u00f8r, da installationen af dens driver CH341SER gennem den vedlagte installer (ja, grav\u00f8ren er p\u00e5 Arduino) fik USB\/IP VHCI til at crashe Windows med BSOD. Men installationen af driveren CH341SER op til<\/b> tilslutning af enheden via usbip.exe l\u00f8ste problemet.<\/p>\n
Resultatet: grav\u00f8ren brummer og ryger i k\u00f8kkenet med vinduet \u00e5bent og d\u00f8ren lukket, jeg overv\u00e5ger br\u00e6ndingsprocessen fra et andet rum gennem den oprindelige software, der ikke mist\u00e6nker noget.<\/p>\n
Brugte kilder:<\/p>\n
https:\/\/openwrt.org\/docs\/guide-user\/services\/usb.iptunnel<\/a><\/noindex>
\nhttps:\/\/github.com\/cezanne\/usbip-win<\/a><\/noindex>
\n
Kilde: habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"
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