{"id":41690,"date":"2020-02-14T08:42:48","date_gmt":"2020-02-14T05:42:48","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/dostupen-usb-raw-gadget-linux-modul-dlya-emulyaczii-usb-ustrojstv"},"modified":"2020-02-14T08:42:48","modified_gmt":"2020-02-14T05:42:48","slug":"dostupen-usb-raw-gadget-linux-modul-dlya-emulyaczii-usb-ustrojstv","status":"publish","type":"post","link":"https:\/\/prohoster.info\/no\/blog\/dostupen-usb-raw-gadget-linux-modul-dlya-emulyaczii-usb-ustrojstv","title":{"rendered":"USB Raw Gadget er tilgjengelig, en Linux-modul for emulering av USB-enheter.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Andrei Konovalov fra Google utvikler en ny modul <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/xairy\/raw-gadget\">USB Raw Gadget<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/google\/kasan\/blob\/usb-fuzzer\/Documentation\/usb\/raw-gadget.rst\">som gj\u00f8r det mulig<\/a><\/noindex> emulere USB-enheter i brukerrummet. Varer for \u00f8yeblikket til vurdering <noindex><a rel=\"nofollow\" href=\"https:\/\/patchwork.kernel.org\/cover\/11332295\/\">s\u00f8knad<\/a><\/noindex> om \u00e5 inkludere denne modulen i hovedkjernen av Linux. USB Raw Gadget er allerede <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/google\/syzkaller\/blob\/master\/docs\/linux\/external_fuzzing_usb.md\">kompilatoren<\/a><\/noindex> i Google for \u00e5 forenkle fuzzing-testing av USB-stakken i kjernen ved hjelp av verkt\u00f8yet <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/google\/syzkaller\">syzkaller<\/a><\/noindex>.<\/p>\n<p>Modulen legger til et nytt programmeringsgrensesnitt i USB Gadget  <noindex><a rel=\"nofollow\" href=\"http:\/\/www.linux-usb.org\/gadget\/\">kjernesystemet og utvikles som et alternativ til GadgetFS. Opprettelsen av nytt API skyldes n\u00f8dvendigheten av \u00e5 f\u00e5 lavniv\u00e5 og direkte tilgang til USB Gadget-undersystemet fra brukerrummet, som gj\u00f8r det mulig \u00e5 h\u00e5ndtere alle mulige USB-foresp\u00f8rselene (GadgetFS h\u00e5ndterer enkelte foresp\u00f8rselene selv, uten \u00e5 sende dem til brukerrummet). Kontrollen av USB Raw Gadget skjer gjennom enheten \/dev\/raw-gadget, i likhet med \/dev\/gadget i GadgetFS, men for interaksjon brukes et grensesnitt basert p\u00e5 ioctl(), ikke pseudo-filsystem.<\/a><\/noindex> I tillegg til direkte behandling av alle USB-foresp\u00f8rslene av prosessen i brukerrummet, skiller det nye grensesnittet seg ogs\u00e5 med muligheten til \u00e5 returnere enhver data som svar p\u00e5 USB-foresp\u00f8rsel (GadgetFS utf\u00f8rer validering av USB-deskriptorene og filtrerer visse svar, noe som hindrer avdekking av feil under fuzzing-testing av USB-stakken). Raw Gadget gir ogs\u00e5 mulighet til \u00e5 velge en spesifikk enhet UDC (USB Device Controller) og driver for tilknytning, mens GadgetFS tilknyttes til den f\u00f8rste tilgjengelige enheten UDC. For forskjellige UDC-er tildeles forutsigbare navn<\/p>\n<p>for \u00e5 skille mellom forskjellige typer datakanaler innen \u00e9n enhet. <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/USB#Endpoint\">endpoint<\/a><\/noindex> Andrei Konovalov fra Google utvikler en ny USB Raw Gadget-modul,<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Kilde: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52324\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0410\u043d\u0434\u0440\u0435\u0439 \u041a\u043e\u043d\u043e\u0432\u0430\u043b\u043e\u0432 \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Google \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442 \u043d\u043e\u0432\u044b\u0439 \u043c\u043e\u0434\u0443\u043b\u044c USB Raw Gadget, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u044d\u043c\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u0442\u044c USB-\u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430 \u0432 \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u0435 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f. \u041d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430 \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0435\u043d\u0438\u0438 \u0437\u0430\u044f\u0432\u043a\u0430 \u043d\u0430 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u0434\u0430\u043d\u043d\u043e\u0433\u043e \u043c\u043e\u0434\u0443\u043b\u044f \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0441\u043e\u0441\u0442\u0430\u0432 \u044f\u0434\u0440\u0430 Linux. USB Raw Gadget \u0443\u0436\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u0432 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Google \u0434\u043b\u044f \u0443\u043f\u0440\u043e\u0449\u0435\u043d\u0438\u044f fuzzing-\u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f USB-\u0441\u0442\u0435\u043a\u0430 \u044f\u0434\u0440\u0430 \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f syzkaller. \u041c\u043e\u0434\u0443\u043b\u044c \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u0442 \u043d\u043e\u0432\u044b\u0439 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0439 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 \u0432 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u0443 \u044f\u0434\u0440\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-41690","post","type-post","status-publish","format-standard","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.5 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0410\u043d\u0434\u0440\u0435\u0439 \u041a\u043e\u043d\u043e\u0432\u0430\u043b\u043e\u0432 \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Google \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442 \u043d\u043e\u0432\u044b\u0439 \u043c\u043e\u0434\u0443\u043b\u044c USB Raw Gadget,\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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