{"id":100138,"date":"2021-05-11T16:22:58","date_gmt":"2021-05-11T14:22:59","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/microsoft-podgotovil-realizacziyu-ebpf-dlya-windows"},"modified":"2021-05-11T16:22:58","modified_gmt":"2021-05-11T14:22:59","slug":"microsoft-podgotovil-realizacziyu-ebpf-dlya-windows","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/microsoft-podgotovil-realizacziyu-ebpf-dlya-windows","title":{"rendered":"Microsoft p\u0159ipravil implementaci eBPF pro Windows.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Spole\u010dnost Microsoft zve\u0159ejnila implementaci pod\u0159\u00edzen\u00e9ho syst\u00e9mu eBPF pro Windows, kter\u00fd umo\u017e\u0148uje spou\u0161t\u011bt libovoln\u00e9 zpracovatele pracuj\u00edc\u00ed na \u00farovni j\u00e1dra opera\u010dn\u00edho syst\u00e9mu. eBPF poskytuje vestav\u011bn\u00fd interpret bytecode v j\u00e1d\u0159e, co\u017e umo\u017e\u0148uje vytv\u00e1\u0159et zpracovatele s\u00ed\u0165ov\u00fdch operac\u00ed, kter\u00e9 jsou na\u010ditateln\u00e9 z u\u017eivatelsk\u00e9ho prostoru, kontrolovat p\u0159\u00edstup a sledovat \u010dinnost syst\u00e9m\u016f. eBPF je sou\u010d\u00e1st\u00ed j\u00e1dra Linux od verze 3.18 a umo\u017e\u0148uje zpracov\u00e1vat p\u0159\u00edchoz\u00ed\/odchoz\u00ed s\u00ed\u0165ov\u00e9 pakety, p\u0159esm\u011brov\u00e1vat pakety, \u0159\u00eddit \u0161\u00ed\u0159ku p\u00e1sma, zachyt\u00e1vat syst\u00e9mov\u00e9 vol\u00e1n\u00ed, kontrolovat p\u0159\u00edstup a prov\u00e1d\u011bt trasov\u00e1n\u00ed. D\u00edky pou\u017eit\u00ed JIT kompilace je bytecode za b\u011bhu p\u0159ev\u00e1d\u011bn na strojov\u00e9 instrukce a vykon\u00e1v\u00e1n s v\u00fdkonnost\u00ed zkompilovan\u00e9ho k\u00f3du. Zdrojov\u00e9 k\u00f3dy eBPF pro Windows jsou otev\u0159eny pod licenc\u00ed MIT. <\/p>\n

eBPF pro Windows m\u016f\u017ee b\u00fdt pou\u017e\u00edv\u00e1n s ji\u017e existuj\u00edc\u00edmi n\u00e1stroji pro pr\u00e1ci s eBPF a poskytuje standardn\u00ed API pou\u017e\u00edvan\u00e9 pro eBPF aplikace v Linuxu. Projekt umo\u017e\u0148uje kompilovat napsan\u00fd k\u00f3d v jazyce C do bytecode eBPF pomoc\u00ed standardn\u00edho kompil\u00e1toru eBPF zalo\u017een\u00e9ho na Clang a spou\u0161t\u011bt ji\u017e vytvo\u0159en\u00e9 zpracovatele eBPF pro Linux na j\u00e1d\u0159e Windows, p\u0159i\u010dem\u017e poskytuje speci\u00e1ln\u00ed vrstvu kompatibility a podporuje standardn\u00ed API Libbpf pro kompatibilitu s aplikacemi, kter\u00e9 interaguj\u00ed s programe eBPF. D\u00e1le nab\u00edz\u00ed vrstvy, kter\u00e9 poskytuj\u00ed linuxov\u011b podobn\u00e9 hooky pro XDP (eXpress Data Path) a socket bind, abstraktn\u00ed p\u0159\u00edstup k s\u00ed\u0165ov\u00e9mu z\u00e1sobn\u00edku a s\u00ed\u0165ov\u00fdm ovlada\u010d\u016fm Windows. Pl\u00e1ny zahrnuj\u00ed poskytnut\u00ed pln\u00e9 kompatibility na \u00farovni zdrojov\u00fdch k\u00f3d\u016f s typick\u00fdmi zpracovateli eBPF Linuxu.

\"Microsoft<\/center> <\/p>\n

Kl\u00ed\u010dov\u00fdm rozd\u00edlem implementace eBPF pro Windows je pou\u017eit\u00ed alternativn\u00edho verifik\u00e1toru bytecode, kter\u00fd byl p\u016fvodn\u011b navr\u017een zam\u011bstnanci spole\u010dnosti VMware a v\u00fdzkumn\u00edky z kanadsk\u00fdch a izraelsk\u00fdch univerzit. Verifik\u00e1tor b\u011b\u017e\u00ed v samostatn\u00e9m izolovan\u00e9m procesu v u\u017eivatelsk\u00e9m prostoru a pou\u017e\u00edv\u00e1 se p\u0159ed vykon\u00e1n\u00edm BPF program\u016f za \u00fa\u010delem odhalen\u00ed chyb a zablokov\u00e1n\u00ed mo\u017en\u00e9 \u0161kodliv\u00e9 \u010dinnosti. <\/p>\n

Pro kontrolu eBPF pro Windows se pou\u017e\u00edv\u00e1 metoda statick\u00e9 anal\u00fdzy zalo\u017een\u00e1 na abstraktn\u00ed interpretaci, kter\u00e1 ve srovn\u00e1n\u00ed s ov\u011b\u0159ovatelem eBPF pro Linux vykazuje ni\u017e\u0161\u00ed \u00farove\u0148 fale\u0161n\u00fdch pozitivn\u00edch v\u00fdsledk\u016f, podporuje anal\u00fdzu cykl\u016f a zaji\u0161\u0165uje dobrou \u0161k\u00e1lovatelnost. Metoda zohled\u0148uje mnoho typov\u00fdch vzorc\u016f prov\u00e1d\u011bn\u00ed, z\u00edskan\u00fdch anal\u00fdzou existuj\u00edc\u00edch eBPF program\u016f. <\/p>\n

Po ov\u011b\u0159en\u00ed je bajtk\u00f3d p\u0159ed\u00e1n do interpretu b\u011b\u017e\u00edc\u00edho na \u00farovni j\u00e1dra, nebo proch\u00e1z\u00ed JIT kompil\u00e1torem, po n\u011bm\u017e n\u00e1sleduje proveden\u00ed v\u00fdsledn\u00e9ho strojov\u00e9ho k\u00f3du s pr\u00e1vy j\u00e1dra. Pro izolaci zpracovatel\u016f eBPF na \u00farovni j\u00e1dra se pou\u017e\u00edv\u00e1 mechanismus HVCI (HyperVisor-enforced Code Integrity), kter\u00fd vyu\u017e\u00edv\u00e1 virtualiza\u010dn\u00ed prost\u0159edky k ochran\u011b proces\u016f v j\u00e1d\u0159e a zaji\u0161\u0165uje ov\u011b\u0159en\u00ed integrity vykon\u00e1van\u00e9ho k\u00f3du pomoc\u00ed digit\u00e1ln\u00edho podpisu. Omezen\u00edm HVCI je mo\u017enost ov\u011b\u0159ov\u00e1n\u00ed pouze interpretovan\u00fdch eBPF program\u016f a nemo\u017enost pou\u017eit\u00ed s JIT (je poskytov\u00e1na volba \u2014 bu\u010f v\u00fdkon, nebo dodate\u010dn\u00e1 ochrana).
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Microsoft \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u044b eBPF \u0434\u043b\u044f Windows, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0443\u044e \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0435 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0435 \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u044f\u0434\u0440\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b. eBPF \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0432\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u044b\u0439 \u0432 \u044f\u0434\u0440\u043e \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0442\u043e\u0440 \u0431\u0430\u0439\u0442\u043a\u043e\u0434\u0430, \u0434\u0430\u044e\u0449\u0438\u0439 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c \u0437\u0430\u0433\u0440\u0443\u0436\u0430\u0435\u043c\u044b\u0435 \u0438\u0437 \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u0430 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439, \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0434\u043e\u0441\u0442\u0443\u043f \u0438 \u043e\u0442\u0441\u043b\u0435\u0436\u0438\u0432\u0430\u0442\u044c \u0440\u0430\u0431\u043e\u0442\u0443 \u0441\u0438\u0441\u0442\u0435\u043c. eBPF \u0432\u043a\u043b\u044e\u0447\u0451\u043d \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u044f\u0434\u0440\u0430 Linux \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u0432\u044b\u043f\u0443\u0441\u043a\u0430 3.18 \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043e\u0431\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0442\u044c \u0432\u0445\u043e\u0434\u044f\u0449\u0438\u0435\/\u0438\u0441\u0445\u043e\u0434\u044f\u0449\u0438\u0435 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":100139,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-100138","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Microsoft p\u0159ipravil implementaci eBPF pro Windows | ProHoster","description":"Spole\u010dnost Microsoft zve\u0159ejnila implementaci subsyst\u00e9mu eBPF pro Windows, kter\u00e1 umo\u017e\u0148uje spou\u0161t\u011bt libovoln\u00e9 handlery b\u011b\u017e\u00edc\u00ed na \u00farovni j\u00e1dra opera\u010dn\u00edho syst\u00e9mu.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/microsoft-podgotovil-realizacziyu-ebpf-dlya-windows","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47Microsoft \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u0438\u043b \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e eBPF \u0434\u043b\u044f Windows | ProHoster","og:description":"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Microsoft \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u044b eBPF \u0434\u043b\u044f Windows, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0443\u044e \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0435 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0435 \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u044f\u0434\u0440\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b.","og:url":"https:\/\/prohoster.info\/cs\/blog\/news\/microsoft-podgotovil-realizacziyu-ebpf-dlya-windows","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2021-05-11T14:22:59+00:00","article:modified_time":"2021-05-11T14:22:59+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"100138","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-05-11 22:29:58","updated":"2022-09-29 09:29:59","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/100138","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/comments?post=100138"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/100138\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/media\/100139"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/media?parent=100138"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/categories?post=100138"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/tags?post=100138"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}