{"id":71650,"date":"2020-02-27T08:51:33","date_gmt":"2020-02-27T05:51:33","guid":{"rendered":"https:\/\/prohoster.info\/blog\/mozilla-nachinaet-vnedrenie-tehnologii-izolyaczii-bibliotek-rlbox"},"modified":"2020-03-03T16:10:40","modified_gmt":"2020-03-03T13:10:40","slug":"mozilla-nachinaet-vnedrenie-tehnologii-izolyaczii-bibliotek-rlbox","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/news\/mozilla-nachinaet-vnedrenie-tehnologii-izolyaczii-bibliotek-rlbox","title":{"rendered":"Mozilla fillon zbatimin e teknologjis\u00eb p\u00ebr izolimin e bibliotekave RLBox","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Ish-hetues nga Universiteti i Stanfordit, Universiteti i Kalifornis\u00eb n\u00eb San Diego dhe Universiteti i Teksasit n\u00eb Austin krijuan<\/a><\/noindex> instrumentin RLBox<\/a><\/noindex>, i cili mund t\u00eb p\u00ebrdoret si nj\u00eb nivel shtes\u00eb izolimi p\u00ebr t'i bllokuar dob\u00ebsit\u00eb n\u00eb bibliotekat funksionale. RLBox synon t\u00eb zgjidh\u00eb problemin e siguris\u00eb me bibliotekat e pal\u00ebve t\u00eb treta q\u00eb nuk jan\u00eb n\u00ebn kontrollin e zhvilluesve, por dob\u00ebsit\u00eb n\u00eb t\u00eb cilat mund t\u00eb komprometojn\u00eb projektin kryesor. <\/p>\n

Kompania Mozilla planifikon<\/a><\/noindex> t\u00eb angazhoj\u00eb RLBox n\u00eb nd\u00ebrtimet Linux t\u00eb Firefox 74 dhe nd\u00ebrtimet macOS t\u00eb Firefox 75 p\u00ebr izolimin e ekzekutimit t\u00eb bibliotek\u00ebs Grafit<\/a><\/noindex>, e cila \u00ebsht\u00eb p\u00ebrgjegj\u00ebse p\u00ebr renditjen e fonteve. N\u00eb k\u00ebt\u00eb kuptim, RLBox nuk \u00ebsht\u00eb specifik p\u00ebr Firefox dhe mund t\u00eb p\u00ebrdoret p\u00ebr izolimin e \u00e7do biblioteke n\u00eb projekte t\u00eb ndryshme. Arritjet<\/a><\/noindex> RLBox distribuohen<\/a><\/noindex> n\u00eb p\u00ebrputhje me licenc\u00ebn MIT. N\u00eb k\u00ebt\u00eb moment, RLBox mb\u00ebshtet pun\u00ebn n\u00eb platformat Linux dhe macOS, mb\u00ebshtetje p\u00ebr Windows pritet m\u00eb von\u00eb.<\/p>\n

Mekanizmi<\/a><\/noindex> i funksionimit t\u00eb RLBox p\u00ebrb\u00ebhet nga kompaktimi i kodit C\/C++ t\u00eb bibliotek\u00ebs s\u00eb izoluar n\u00eb kodin nd\u00ebrmjet\u00ebs t\u00eb nivelit t\u00eb ul\u00ebt WebAssembly, i cili m\u00eb pas formohet n\u00eb nj\u00eb modul WebAssembly, autoritetet e t\u00eb cilit caktohen n\u00eb lidhje vet\u00ebm me k\u00ebt\u00eb modul (p.sh., nj\u00eb bibliotek\u00eb p\u00ebr p\u00ebrpunimin e vargjeve nuk do t\u00eb jet\u00eb n\u00eb gjendje t\u00eb hap\u00eb nj\u00eb soket rrjeti apo nj\u00eb skedar). Transformimi i kodit C\/C++ n\u00eb WebAssembly b\u00ebhet me ndihm\u00ebn e wasi-sdk<\/a><\/noindex>. <\/p>\n

P\u00ebr ekzekutimin e menj\u00ebhersh\u00ebm, moduli WebAssembly kompilohet n\u00eb kodin makinerik me ndihm\u00ebn e kompilatorit Lucet<\/a><\/noindex> \u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f \u0432 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u043c «\u043d\u0430\u043d\u043e\u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435», \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u043c \u043e\u0442 \u043e\u0441\u0442\u0430\u043b\u044c\u043d\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f. \u041a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440 Lucet \u043e\u0441\u043d\u043e\u0432\u0430\u043d \u043d\u0430 \u0442\u043e\u043c \u0436\u0435 \u043a\u043e\u0434\u0435, \u0447\u0442\u043e \u0438 JIT-\u0434\u0432\u0438\u0436\u043e\u043a Cranelift<\/a><\/noindex>, i p\u00ebrdorur n\u00eb Firefox p\u00ebr ekzekutimin e WebAssembly. <\/p>\n

Moduli i nd\u00ebrtuar punon n\u00eb nj\u00eb zon\u00eb t\u00eb ve\u00e7ant\u00eb t\u00eb memories dhe nuk ka qasje n\u00eb hap\u00ebsir\u00ebn tjet\u00ebr adresore. N\u00eb rastin e shfryt\u00ebzimit t\u00eb dob\u00ebsis\u00eb n\u00eb bibliotek\u00eb, sulmuesi do t\u00eb jet\u00eb i kufizuar dhe nuk do t\u00eb mund t\u00eb aksesoj\u00eb zonat e memories s\u00eb procesit kryesor ose t\u00eb transferoj\u00eb kontrollin jasht\u00eb mjedisit t\u00eb izoluar. <\/p>\n

\"Mozilla<\/a><\/noindex><\/center><\/p>\n

P\u00ebr zhvilluesit ofrohet nj\u00eb nivel i lart\u00eb API<\/a><\/noindex>, i cili lejon thirrjen e funksioneve t\u00eb bibliotek\u00ebs n\u00eb modin e izoluar. WebAssembly-ndihm\u00ebsit praktikisht nuk k\u00ebrkojn\u00eb burime shtes\u00eb dhe nd\u00ebrlidhja me ta nuk \u00ebsht\u00eb shum\u00eb m\u00eb e ngadalshme se thirrja e funksioneve t\u00eb zakonshme (funksionet e bibliotek\u00ebs ekzekutohen n\u00eb form\u00ebn e kodit natyror, dhe shpenzimet ndodhin vet\u00ebm gjat\u00eb kopjimit dhe kontrollimit t\u00eb t\u00eb dh\u00ebnave gjat\u00eb nd\u00ebrveprimit me mjedisin e izoluar). Funksionet e bibliotek\u00ebs s\u00eb izoluar nuk mund t\u00eb thirren direkt dhe p\u00ebr t\u00eb arritur tek ato \u00ebsht\u00eb e nevojshme t\u00eb aplikohet
\n shtresa invoke_sandbox_function(). <\/p>\n

Nga ana tjet\u00ebr, n\u00ebse nga biblioteka duhet t\u00eb thirren funksione t\u00eb jashtme, k\u00ebto funksione duhet t\u00eb jen\u00eb qart\u00eb t\u00eb p\u00ebrcaktuara duke p\u00ebrdorur metod\u00ebn register_callback (me t\u00eb drejt\u00eb RLBox ofron akses n\u00eb funksionet e bibliotek\u00ebs standarde<\/a><\/noindex>). P\u00ebr t\u00eb siguruar nj\u00eb funksionim t\u00eb sigurt t\u00eb memories (memory safety) e izolimit t\u00eb ekzekutimit t\u00eb kodit nuk \u00ebsht\u00eb e mjaftueshme dhe \u00ebsht\u00eb e nevojshme t\u00eb sigurohet gjithashtu kontrolli i rrjedhave t\u00eb t\u00eb dh\u00ebnave t\u00eb kthyera.<\/p>\n

Vlerat e formuara n\u00eb mjedisin e izoluar sh\u00ebnohen si t\u00eb dyshimta, kufizohen p\u00ebrmes etiketave tainted<\/a><\/noindex> \u0438 \u0434\u043b\u044f «\u043e\u0447\u0438\u0441\u0442\u043a\u0438» \u0442\u0440\u0435\u0431\u0443\u044e\u0442 verifikim<\/a><\/noindex> dhe kopjim n\u00eb memorien e aplikacionit.
\n\u0411\u0435\u0437 \u043e\u0447\u0438\u0441\u0442\u043a\u0438, \u043f\u043e\u043f\u044b\u0442\u043a\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f tainted-\u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0435, \u0442\u0440\u0435\u0431\u0443\u044e\u0449\u0435\u043c \u043e\u0431\u044b\u0447\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 (\u0438 \u043d\u0430\u043e\u0431\u043e\u0440\u043e\u0442) \u043f\u0440\u0438\u0432\u043e\u0434\u0438\u0442 \u043a \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0438 \u043e\u0448\u0438\u0431\u043e\u043a \u043d\u0430 \u044d\u0442\u0430\u043f\u0435 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u0438. \u041d\u0435\u0431\u043e\u043b\u044c\u0448\u0438\u0435 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u044b \u0444\u0443\u043d\u043a\u0446\u0438\u0439, \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u043c\u044b\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0438 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b \u043f\u0435\u0440\u0435\u0434\u0430\u044e\u0442\u0441\u044f \u0447\u0435\u0440\u0435\u0437 \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043c\u0435\u0436\u0434\u0443 \u043f\u0430\u043c\u044f\u0442\u044c\u044e \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 \u0438 \u043f\u0430\u043c\u044f\u0442\u044c\u044e \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f. \u0414\u043b\u044f \u0431\u043e\u043b\u044c\u0448\u0438\u0445 \u043d\u0430\u0431\u043e\u0440\u043e\u0432 \u0434\u0430\u043d\u043d\u044b\u0445 \u043f\u0430\u043c\u044f\u0442\u044c \u0432\u044b\u0434\u0435\u043b\u044f\u0435\u0442\u0441\u044f \u0432 \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u043c \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0438, \u0430 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u043c\u0443 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0443 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442\u0441\u044f \u043f\u0440\u044f\u043c\u043e\u0439 \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044c «sandbox-reference». <\/p>\n

<\/a><\/noindex><\/p>\n

Burimi: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0438\u0437 \u0421\u0442\u0435\u043d\u0434\u0444\u043e\u0440\u0434\u0441\u043a\u043e\u0433\u043e \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442\u0430, \u041a\u0430\u043b\u0438\u0444\u043e\u0440\u043d\u0438\u0439\u0441\u043a\u043e\u0433\u043e \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442\u0430 \u0432 \u0421\u0430\u043d-\u0414\u0438\u0435\u0433\u043e \u0438 \u0422\u0435\u0445\u0430\u0441\u0441\u043a\u043e\u0433\u043e \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442\u0430 \u0432 \u041e\u0441\u0442\u0438\u043d\u0435 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043b\u0438 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 RLBox, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0442\u044c\u0441\u044f \u043a\u0430\u043a \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438 \u0434\u043b\u044f \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430\u0445 \u0444\u0443\u043d\u043a\u0446\u0438\u0439. RLBox \u043d\u0430\u0446\u0435\u043b\u0435\u043d \u043d\u0430 \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0441 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c\u044e \u043d\u0435\u0437\u0430\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u044e\u0449\u0438\u0445 \u0434\u043e\u0432\u0435\u0440\u0438\u044f \u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0438\u0445 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043d\u0435 \u043f\u043e\u0434\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c\u043d\u044b \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430\u043c, \u043d\u043e \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043c\u043e\u0433\u0443\u0442 \u0441\u043a\u043e\u043c\u043f\u0440\u043e\u043c\u0435\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u043f\u0440\u043e\u0435\u043a\u0442. \u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Mozilla \u043f\u043b\u0430\u043d\u0438\u0440\u0443\u0435\u0442 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":71651,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-71650","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\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\udd47Mozilla fillon implementimin e teknologjis\u00eb s\u00eb izolimit t\u00eb bibliotekave RLBox | ProHoster","description":"Ish-hetues nga Universiteti i Stanfordit, Universiteti i Kalifornis\u00eb n\u00eb San 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