{"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\/sk\/blog\/news\/v-yadro-linux-6-18-prinyata-realizacziya-binder-ipc-dlya-android-napisannaya-na-rust","title":{"rendered":"Do jadra Linux 6.18 bola prijat\u00e1 implement\u00e1cia Binder IPC pre Android, nap\u00edsan\u00e1 v Rust","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Do k\u00f3dovej z\u00e1kladne jadra Linux, na z\u00e1klade ktorej sa vytv\u00e1ra verzia 6.18, bola prijat\u00e1 implement\u00e1cia mechanizmu medzi-procesn\u00e9ho interakcie Binder, nap\u00edsan\u00e1 v programovacom jazyku Rust. Binder sa pou\u017e\u00edva v Androide na organiz\u00e1ciu interakcie medzi procesmi a vzdialen\u00e9ho volania met\u00f3d (jeden proces Android m\u00f4\u017ee vola\u0165 met\u00f3du alebo funkciu v inom procese Android, pri\u010dom pou\u017e\u00edva Binder na identifik\u00e1ciu, volanie a prenos argumentov medzi procesmi). K\u00f3d Binder bol prepisovan\u00fd v Ruste v r\u00e1mci projektu na zv\u00fd\u0161enie bezpe\u010dnosti, propag\u00e1ciu techn\u00edk bezpe\u010dn\u00e9ho programovania a zv\u00fd\u0161enie \u00fa\u010dinnosti identifikovania probl\u00e9mov pri pr\u00e1ci s pam\u00e4\u0165ou v Androide (asi 70 % zo v\u0161etk\u00fdch nebezpe\u010dn\u00fdch zranite\u013enost\u00ed odhalen\u00fdch v Androide je sp\u00f4soben\u00fdch chybami pri pr\u00e1ci s pam\u00e4\u0165ou).       <\/p>\n<p>Pou\u017eitie Rustu umo\u017enilo vyrie\u0161i\u0165 niektor\u00e9 probl\u00e9my, s ktor\u00fdmi sa stret\u00e1vali v\u00fdvoj\u00e1ri Binderu, vr\u00e1tane ch\u00fdb s\u00favisiacich s po\u010d\u00edtan\u00edm odkazov, zablokovaniu a kontrole hran\u00edc, ako aj zna\u010dne zn\u00ed\u017ei\u0165 zlo\u017eitosti spracovania ch\u00fdb. Implement\u00e1cia Binderu v Rustu je funk\u010dne obdobn\u00e1 s p\u00f4vodnou verziou v jazyku C, prech\u00e1dza v\u0161etk\u00fdmi testami AOSP (Android Open-Source Project) a m\u00f4\u017ee sa pou\u017ei\u0165 na vytvorenie funk\u010dn\u00fdch verzi\u00ed Androidovsk\u00fdch firmv\u00e9rov. Napriek pokro\u010dil\u00fdm mo\u017enostiam a podpore objektov so zlo\u017eitou s\u00e9mantikou vlastn\u00edctva, sa vodi\u010d v Rustu uk\u00e1zal ako men\u0161\u00ed ako varianta v C \u2014 5.5 oproti 5.8 tis\u00edc riadkom k\u00f3du.      <\/p>\n<p>V popise commitu autor spom\u00edna nasleduj\u00face mot\u00edvy pre prepisovanie Binder:  <\/p>\n<ul>\n<li class=\"l\"> Binder sa vyv\u00edja u\u017e 15 rokov a za toto obdobie jeho funk\u010dnos\u0165 a zlo\u017eitosti v\u00fdrazne vzr\u00e1stli \u2014 projekt sa nach\u00e1dza na rozhran\u00ed v\u0161etk\u00fdch komponentov Androidu a pokr\u00fdva mno\u017estvo \u00faloh, ktor\u00e9 presahuj\u00fa r\u00e1mec IPC:\n<ul>\n<li class=\"l\"> spr\u00e1vna anal\u00fdza a konverzia obsahu transakci\u00ed, ktor\u00e9 m\u00f4\u017eu obsahova\u0165 nieko\u013eko objektov r\u00f4znych typov (napr\u00edklad ukazovatele, s\u00faborov\u00e9 popisova\u010de), interaguj\u00facich navz\u00e1jom;\n<li class=\"l\"> kontrola ve\u013ekosti poolov vl\u00e1kien v u\u017e\u00edvate\u013eskom priestore a zabezpe\u010denie priradenia transakci\u00ed vl\u00e1knam tak, aby sa zabr\u00e1nilo vz\u00e1jomn\u00e9mu zablokovaniu pri vy\u010derpan\u00ed vl\u00e1kien v poole;\n<li class=\"l\"> sledovanie po\u010d\u00edtadiel odkazov na objekty, ktor\u00e9 s\u00fa spolo\u010dn\u00e9 viacer\u00fdmi procesmi, spr\u00e1vne preposielaj\u00fac zmeny po\u010d\u00edtadiel odkazov medzi procesmi;\n<li class=\"l\"> spracovanie mnoh\u00fdch scen\u00e1rov vzniku ch\u00fdb a kombinovanie 13 r\u00f4znych z\u00e1mkov, 7 po\u010d\u00edtadiel odkazov a atomick\u00fdch premenn\u00fdch. Vykon\u00e1va\u0165 tak\u00e9to \u00falohy by mal maxim\u00e1lne r\u00fdchlo a presne.  <\/ul>\n<li class=\"l\"> Star\u00fd k\u00f3d nazbieral zna\u010dn\u00fd technick\u00fd dlh, ktor\u00fd s\u0165a\u017eoval h\u013eadanie ch\u00fdb aj \u010fal\u0161\u00ed v\u00fdvoj. Napr\u00edklad sa v jadre nach\u00e1dzaj\u00fa rozsiahle funkcie s viac ako tis\u00edc riadkami k\u00f3du, pochybn\u00fdmi met\u00f3dami spracovania ch\u00fdb a zamotan\u00fdmi \u0161trukt\u00farami.\n<li class=\"l\"> Binder je kritick\u00e1 z h\u013eadiska bezpe\u010dnosti zlo\u017eka Androidu, preto\u017ee prvky platformy, ktor\u00e9 funguj\u00fa v izolovan\u00fdch sandboxov\u00fdch prostrediach, ako je proces vykres\u013eovania v Chrome a SW Codec, maj\u00fa na\u0148 priamy pr\u00edstup, a zranite\u013enos\u0165 v Binderi by mohla ob\u00eds\u0165 izol\u00e1ciu. Vysok\u00e1 zlo\u017eitost v kombin\u00e1cii s technick\u00fdm dlhom v\u00fdrazne s\u0165a\u017euje udr\u017eanie vysokej \u00farovne bezpe\u010dnosti v Binderi.    <\/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 5.0.4 - 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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