{"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\/ro\/blog\/news\/v-yadro-linux-6-18-prinyata-realizacziya-binder-ipc-dlya-android-napisannaya-na-rust","title":{"rendered":"\u00cen kernel-ul Linux 6.18 a fost adoptat\u0103 implementarea Binder IPC pentru Android, scris\u0103 \u00een Rust","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00cen baza de cod a nucleului Linux, pe care se bazeaz\u0103 versiunea 6.18, a fost implementat mecanismul de comunicare interprocesual\u0103 Binder, scris \u00een limbajul Rust. Binder este utilizat \u00een Android pentru a organiza interac\u021biunea \u00eentre procese \u0219i apelurile la distan\u021b\u0103 ale metodelor (un proces Android poate apela o metod\u0103 sau o func\u021bie \u00eentr-un alt proces Android, folosind Binder pentru a identifica, apela \u0219i transmite argumente \u00eentre procese). Codul Binder a fost ref\u0103cut \u00een Rust \u00een cadrul unui proiect destinat \u00eembun\u0103t\u0103\u021birii securit\u0103\u021bii, promov\u0103rii tehnicilor de programare sigur\u0103 \u0219i cre\u0219terii eficien\u021bei \u00een identificarea problemelor legate de gestionarea memoriei \u00een Android (aproximativ 70% dintre toate vulnerabilit\u0103\u021bile periculoase, identificate \u00een Android, sunt cauzate de erori \u00een gestionarea memoriei).       <\/p>\n<p>Utilizarea Rust a permis rezolvarea unor probleme cu care se confruntau dezvoltatorii Binder, inclusiv erori legate de num\u0103rarea referin\u021belor, bloc\u0103ri \u0219i verificarea limitelor, precum \u0219i reducerea semnificativ\u0103 a complexit\u0103\u021bii gestion\u0103rii erorilor. Implementarea Binder \u00een Rust este similar\u0103 ca func\u021bionalitate cu versiunea ini\u021bial\u0103 \u00een limbajul C, trece toate testele AOSP (Android Open-Source Project) \u0219i poate fi folosit\u0103 pentru crearea de versiuni func\u021bionale ale firmware-ului Android. Cu toate c\u0103 ofer\u0103 func\u021bionalit\u0103\u021bi avansate \u0219i suport pentru obiecte cu o semantica complex\u0103 a propriet\u0103\u021bii, driverul scris \u00een Rust este mai mic dec\u00e2t variant\u0103 \u00een C \u2014 5,5 fa\u021b\u0103 de 5,8 mii linii de cod.      <\/p>\n<p>\u00cen descrierea commit-ului, autorul men\u021bioneaz\u0103 urm\u0103toarele motive pentru a rescrie Binder:  <\/p>\n<ul>\n<li class=\"l\"> Binder s-a dezvoltat timp de 15 ani \u0219i, \u00een acest interval, func\u021bionalitatea \u0219i complexitatea sa au crescut semnificativ \u2014 proiectul se afl\u0103 la intersec\u021bia tuturor componentelor Android \u0219i acoper\u0103 numeroase sarcini care dep\u0103\u0219esc limitele IPC:\n<ul>\n<li class=\"l\"> analiza corect\u0103 \u0219i transformarea con\u021binutului tranzac\u021biilor, care pot con\u021bine mai multe obiecte de tipuri diferite (de exemplu, pointeri, descriitori de fi\u0219iere), interac\u021bion\u00e2nd \u00eentre ele;\n<li class=\"l\"> monitorizarea dimensiunii pool-urilor de fire \u00een spa\u021biul utilizatorului \u0219i asigurarea aloc\u0103rii tranzac\u021biilor c\u0103tre fire \u00eentr-un mod care s\u0103 evite blocajele reciproce atunci c\u00e2nd pool-ul de fire este epuizat;\n<li class=\"l\"> urm\u0103rirea contoarelor de referin\u021b\u0103 ale obiectelor partajate de mai multe procese, transmi\u021b\u00e2nd corect modific\u0103rile contoarelor de referin\u021b\u0103 \u00eentre procese;\n<li class=\"l\"> procesarea mai multor scenarii de erori \u0219i combinarea a 13 bloc\u0103ri diferite, 7 contoare de linkuri \u0219i variabile atomice. \u00cen plus, trebuie s\u0103 rezolve aceste sarcini c\u00e2t mai rapid \u0219i corect.  <\/ul>\n<li class=\"l\"> Vechea baz\u0103 de cod a acumulat o datorie tehnic\u0103 semnificativ\u0103, complic\u00e2nd at\u00e2t identificarea erorilor, c\u00e2t \u0219i dezvoltarea ulterioar\u0103. De exemplu, \u00een nucleu exist\u0103 func\u021bii mari de peste o mie de linii de cod, metode de gestionare a erorilor \u00eendoielnice \u0219i structuri complicate.\n<li class=\"l\"> Binder este un component critic din punct de vedere al securit\u0103\u021bii \u00een Android, deoarece elementele platformei care func\u021bioneaz\u0103 \u00een medii sandbox izolate, cum ar fi procesul de redare \u00een Chrome \u0219i SW Codec, au acces direct la acesta, iar o vulnerabilitate \u00een Binder ar putea ocoli izolarea. Complexitatea ridicat\u0103 \u00eempreun\u0103 cu datoria tehnic\u0103 complic\u0103 foarte mult men\u021binerea unui nivel \u00eenalt de securitate \u00een Binder.    <\/ul>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64092\">opennet.ro<\/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 5.0.2.1 - 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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