{"id":146042,"date":"2025-10-21T23:12:38","date_gmt":"2025-10-21T21:12:38","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-yadro-linux-6-18-prinyata-realizacziya-binder-ipc-dlya-android-napisannaya-na-rust"},"modified":"2025-10-21T23:12:38","modified_gmt":"2025-10-21T21:12:38","slug":"v-yadro-linux-6-18-prinyata-realizacziya-binder-ipc-dlya-android-napisannaya-na-rust","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/v-yadro-linux-6-18-prinyata-realizacziya-binder-ipc-dlya-android-napisannaya-na-rust","title":{"rendered":"Implementace Binder IPC pro Android, napsan\u00e1 v Rust, byla p\u0159ijata do j\u00e1dra Linux 6.18","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Do k\u00f3du j\u00e1dra Linux, na jeho\u017e z\u00e1klad\u011b vznik\u00e1 verze 6.18, byla p\u0159ijata implementace mechanismu meziprocesn\u00ed komunikace Binder napsan\u00e1 v jazyce Rust. Binder se pou\u017e\u00edv\u00e1 v Androidu pro organizaci interakce mezi procesy a vzd\u00e1len\u00e9ho vol\u00e1n\u00ed metod (jeden proces Android m\u016f\u017ee zavolat metodu nebo funkci v jin\u00e9m procesu Android prost\u0159ednictv\u00edm Bindera, kter\u00fd se pou\u017e\u00edv\u00e1 k identifikaci, vol\u00e1n\u00ed a p\u0159ed\u00e1v\u00e1n\u00ed argument\u016f mezi procesy). K\u00f3d Bindera byl p\u0159epracov\u00e1n do Rustu jako sou\u010d\u00e1st projektu zam\u011b\u0159en\u00e9ho na zv\u00fd\u0161en\u00ed bezpe\u010dnosti, propagaci metod bezpe\u010dn\u00e9ho programov\u00e1n\u00ed a zlep\u0161en\u00ed \u00fa\u010dinnosti odhalov\u00e1n\u00ed probl\u00e9m\u016f s pam\u011bt\u00ed v Androidu (p\u0159ibli\u017en\u011b 70 % v\u0161ech nebezpe\u010dn\u00fdch zranitelnost\u00ed odhalen\u00fdch v Androidu je zp\u016fsobeno chybami p\u0159i pr\u00e1ci s pam\u011bt\u00ed).       <\/p>\n<p>Pou\u017eit\u00ed Rustu umo\u017enilo vy\u0159e\u0161it n\u011bkter\u00e9 probl\u00e9my, s nimi\u017e se v\u00fdvoj\u00e1\u0159i Binderu pot\u00fdkali, v\u010detn\u011b chyb souvisej\u00edc\u00edch s po\u010d\u00edt\u00e1n\u00edm referenc\u00ed, z\u00e1mky a kontrolou hranic, a tak\u00e9 v\u00fdrazn\u011b sn\u00ed\u017eit slo\u017eitost zpracov\u00e1n\u00ed chyb. Implementace Binderu v Rustu je funk\u010dn\u011b podobn\u00e1 p\u016fvodn\u00ed verzi v jazyce C, projde v\u0161emi testy AOSP (Android Open-Source Project) a m\u016f\u017ee b\u00fdt pou\u017eita pro vytv\u00e1\u0159en\u00ed funk\u010dn\u00edch verz\u00ed Android firmware. Navzdory pokro\u010dil\u00fdm funkc\u00edm a podpo\u0159e objekt\u016f se slo\u017eitou s\u00e9mantikou vlastnictv\u00ed, se \u0159idi\u010d v Rustu uk\u00e1zal jako men\u0161\u00ed ne\u017e verze v C \u2014 5,5 proti 5,8 tis\u00edc\u016fm \u0159\u00e1dk\u016f k\u00f3du.      <\/p>\n<p>V popisu commitu autor zmi\u0148uje n\u00e1sleduj\u00edc\u00ed d\u016fvody pro p\u0159episov\u00e1n\u00ed Bindera:  <\/p>\n<ul>\n<li class=\"l\"> Binder se vyv\u00edj\u00ed ji\u017e 15 let, a za tuto dobu se jeho funk\u010dnost a slo\u017eitost v\u00fdrazn\u011b zv\u00fd\u0161ily \u2014 projekt se nach\u00e1z\u00ed na pomez\u00ed v\u0161ech komponent\u016f Android a pokr\u00fdv\u00e1 \u0159adu \u00fakol\u016f p\u0159esahuj\u00edc\u00edch r\u00e1mec IPC:\n<ul>\n<li class=\"l\"> spr\u00e1vn\u00e1 anal\u00fdza a transformace obsahu transakc\u00ed, kter\u00e9 mohou obsahovat v\u00edce objekt\u016f r\u016fzn\u00fdch typ\u016f (nap\u0159\u00edklad ukazatele, souborov\u00e9 deskriptory) interaguj\u00edc\u00edch mezi sebou;\n<li class=\"l\"> \u0159\u00edzen\u00ed velikosti pool\u016f vl\u00e1ken v u\u017eivatelsk\u00e9m prostoru a zaji\u0161t\u011bn\u00ed p\u0159id\u011blov\u00e1n\u00ed transakc\u00ed vl\u00e1kn\u016fm tak, aby se p\u0159ede\u0161lo vz\u00e1jemn\u00fdm z\u00e1mk\u016fm p\u0159i vy\u010derp\u00e1n\u00ed vl\u00e1ken v poolu;\n<li class=\"l\"> sledov\u00e1n\u00ed po\u010d\u00edtadel odkaz\u016f objekt\u016f, kter\u00e9 jsou sd\u00edlen\u00e9 mezi n\u011bkolika procesy, a spr\u00e1vn\u00e9 p\u0159en\u00e1\u0161en\u00ed zm\u011bn po\u010d\u00edtadel odkaz\u016f mezi procesy;\n<li class=\"l\"> zpracov\u00e1n\u00ed mnoha sc\u00e9n\u00e1\u0159\u016f vzniku chyb a kombinace 13 r\u016fzn\u00fdch z\u00e1mk\u016f, 7 po\u010d\u00edtadel odkaz\u016f a atomov\u00fdch prom\u011bnn\u00fdch. P\u0159itom by m\u011bl tyto \u00fakoly vykon\u00e1vat co nejrychleji a nejp\u0159esn\u011bji.  <\/ul>\n<li class=\"l\"> Ve star\u00e9m k\u00f3du se nahromadila zna\u010dn\u00e1 technick\u00e1 zadlu\u017eenost, kter\u00e1 zt\u011b\u017eovala jak hled\u00e1n\u00ed chyb, tak i dal\u0161\u00ed v\u00fdvoj. Nap\u0159\u00edklad v j\u00e1dru se vyskytuj\u00ed velk\u00e9 funkce s v\u00edce ne\u017e tis\u00edci \u0159\u00e1dky k\u00f3du, sporn\u00e9 metody zpracov\u00e1n\u00ed chyb a komplikovan\u00e9 struktury.\n<li class=\"l\"> Binder je z hlediska bezpe\u010dnosti kritickou sou\u010d\u00e1st\u00ed Androidu, proto\u017ee prvky platformy pracuj\u00edc\u00ed v izolovan\u00fdch sandboxov\u00fdch prost\u0159ed\u00edch, jako je vykreslovac\u00ed proces v Chromu a SW Codec, maj\u00ed k n\u011bmu p\u0159\u00edm\u00fd p\u0159\u00edstup, a zranitelnost v Binderu by mohla umo\u017enit obch\u00e1zen\u00ed izolace. Vysok\u00e1 slo\u017eitost v kombinaci s technick\u00fdm dluhem zna\u010dn\u011b zt\u011b\u017euj\u00ed udr\u017een\u00ed vysok\u00e9 \u00farovn\u011b bezpe\u010dnosti v Binderu.    <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64092\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043a\u043e\u0434\u043e\u0432\u0443\u044e \u0431\u0430\u0437\u0443 \u044f\u0434\u0440\u0430 Linux, \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0444\u043e\u0440\u043c\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0440\u0435\u043b\u0438\u0437 6.18, \u043f\u0440\u0438\u043d\u044f\u0442\u0430 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 \u043c\u0435\u0436\u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043d\u043e\u0433\u043e \u0432\u0437\u0430\u0438\u043c\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f Binder, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u0430\u044f \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust. Binder \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0432 Android \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0432\u0437\u0430\u0438\u043c\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u043c\u0435\u0436\u0434\u0443 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430\u043c\u0438 \u0438 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u0433\u043e \u0432\u044b\u0437\u043e\u0432\u0430 \u043c\u0435\u0442\u043e\u0434\u043e\u0432 (\u043e\u0434\u0438\u043d \u043f\u0440\u043e\u0446\u0435\u0441\u0441 Android \u043c\u043e\u0436\u0435\u0442 \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043c\u0435\u0442\u043e\u0434 \u0438\u043b\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u044e \u0432 \u0434\u0440\u0443\u0433\u043e\u043c \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435 Android, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f Binder \u0434\u043b\u044f \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438, \u0432\u044b\u0437\u043e\u0432\u0430 \u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0438 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u043e\u0432 \u043c\u0435\u0436\u0434\u0443 [&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":[702],"tags":[],"class_list":["post-146042","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u043a\u043e\u0434\u043e\u0432\u0443\u044e \u0431\u0430\u0437\u0443 \u044f\u0434\u0440\u0430 Linux, \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 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jazyce Rust.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/v-yadro-linux-6-18-prinyata-realizacziya-binder-ipc-dlya-android-napisannaya-na-rust","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\udd47\u0412 \u044f\u0434\u0440\u043e Linux 6.18 \u043f\u0440\u0438\u043d\u044f\u0442\u0430 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f Binder IPC \u0434\u043b\u044f Android, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u0430\u044f \u043d\u0430 Rust | ProHoster","og:description":"\u0412 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