{"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\/lv\/blog\/dostupen-usb-raw-gadget-linux-modul-dlya-emulyaczii-usb-ustrojstv","title":{"rendered":"Pieejams USB Raw Gadget, Linux modulis USB ier\u012b\u010du emul\u0101cijai","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Andrej Konovalovs no Google izstr\u0101d\u0101 jaunu moduli <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\">\u013caujot<\/a><\/noindex> emul\u0113t USB ier\u012bces lietot\u0101ja telp\u0101. Ir izskat\u012b\u0161anas proces\u0101 <noindex><a rel=\"nofollow\" href=\"https:\/\/patchwork.kernel.org\/cover\/11332295\/\">pieteikums<\/a><\/noindex> par \u0161\u0101 modu\u013ca iek\u013cau\u0161anu Linux kodola galvenaj\u0101 sast\u0101v\u0101. USB Raw Gadget jau <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/google\/syzkaller\/blob\/master\/docs\/linux\/external_fuzzing_usb.md\">tiek izmantota<\/a><\/noindex> Google uz\u0146\u0113mum\u0101 tiek izmantots, lai vienk\u0101r\u0161otu USB kodola staka fuzzing test\u0113\u0161anu ar r\u012bkiem <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/google\/syzkaller\">syzkaller<\/a><\/noindex>.<\/p>\n<p>Modulis pievieno jaunu programm\u0113\u0161anas saskarni kodola  <noindex><a rel=\"nofollow\" href=\"http:\/\/www.linux-usb.org\/gadget\/\">USB Gadget<\/a><\/noindex> un att\u012bst\u0101s k\u0101 alternat\u012bva GadgetFS. Jaunas API izveide ir nepiecie\u0161ama, lai ieg\u016btu zema l\u012bme\u0146a un tie\u0161u piek\u013cuvi USB Gadget subsist\u0113mai no lietot\u0101ja telpas, \u013caujot apstr\u0101d\u0101t visus iesp\u0113jamos USB piepras\u012bjumus (GadgetFS apstr\u0101d\u0101 da\u017eus piepras\u012bjumus pa\u0161a sp\u0113kiem, netiekot p\u0101rs\u016bt\u012bti uz lietot\u0101ja telpu). USB Raw Gadget vad\u012bba tiek veikta caur ier\u012bci \/dev\/raw-gadget, l\u012bdz\u012bgi k\u0101 \/dev\/gadget GadgetFS, bet mijiedarb\u012bbai tiek izmantota saskarne, kas balst\u012bta uz ioctl(), nevis pseidoF\/S.<\/p>\n<p>Papildus tie\u0161ai visu USB piepras\u012bjumu apstr\u0101dei lietot\u0101ja telp\u0101 jaun\u0101 saskarne izce\u013cas ar iesp\u0113ju atgriezt jebk\u0101dus datus atbild\u0113 uz USB piepras\u012bjumu (GadgetFS veic USB descriptoru pareiz\u012bbas p\u0101rbaudi un filtr\u0113 noteiktas atbildes, kas trauc\u0113 k\u013c\u016bdu noteik\u0161anu USB staka fuzzing test\u0113\u0161anas laik\u0101). Raw Gadget nodro\u0161ina iesp\u0113ju izv\u0113l\u0113ties konkr\u0113tu UDC (USB ier\u012bces kontrolieris) un vad\u012bt\u0101ju pievieno\u0161anai, kam\u0113r GadgetFS piesl\u0113dzas pirmajai pieejamajai UDC ier\u012bcei. At\u0161\u0137ir\u012bgiem UDC tiek pie\u0161\u0137irti prognoz\u0113jami nosaukumi <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/USB#Endpoint\">beig\u0101m<\/a><\/noindex> lai atdal\u012btu da\u017e\u0101da veida datu apmai\u0146as kan\u0101lus vien\u0101 ier\u012bc\u0113.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Avots: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52324\">opennet.lv<\/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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