{"id":183160,"date":"2026-08-27T22:53:24","date_gmt":"2026-08-27T20:53:24","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/vypusk-bubblewrap-0-12-proslojki-dlya-sozdaniya-izolirovannyh-okruzhenij"},"modified":"2026-08-27T22:53:29","modified_gmt":"2026-08-27T20:53:29","slug":"bubblewrap-0-12-release-a-layer-for-creating-isolated-environments","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/bubblewrap-0-12-release-a-layer-for-creating-isolated-environments","title":{"rendered":"Izdanje Bubblewrap 0.12, slojevi za kreiranje izoliranih okru\u017eenja","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Objavljena je nova verzija alata za organizaciju rada izoliranih okru\u017eenja Bubblewrap 0.12, koji se koristi za ograni\u010davanje pojedina\u010dnih aplikacija nedovoljno privilegiranih korisnika. U praksi se Bubblewrap koristi u projektu Flatpak kao sloj za izolaciju aplikacija pokretanih iz paketa. Za izolaciju se koriste tradicionalne tehnologije virtualizacije kontejnera specifi\u010dne za Linux, temeljene na kori\u0161tenju cgroups, prostora imena (namespaces), Seccomp i SELinux. Kod projekta napisan je u C jeziku i distribuira se pod LGPLv2.1+ licencom.    <\/p>\n<p>Izolacija na razini datote\u010dnog sustava ostvaruje se stvaranjem po defaultu novog prostora imena to\u010daka montiranja (mount namespace), u kojem se putem tmpfs stvara prazan korijenski odjeljak. U taj odjeljak se po potrebi pri\u010dvr\u0161\u0107uju dijelovi vanjskog FS-a u re\u017eimu \u201emount \u2014bind\u201c (na primjer, prilikom pokretanja s opcijom \u201ebwrap \u2014ro-bind \/usr \/usr\u201c dijelovi \/usr se proslje\u0111uju iz glavnog sustava u re\u017eimu samo za \u010ditanje). Mre\u017ene mogu\u0107nosti se ograni\u010davaju pristupom loopback su\u010delju uz izolaciju mre\u017enog steka putem oznaka CLONE_NEWNET i CLONE_NEWUTS.     <\/p>\n<p>Za isklju\u010divanje svih vi\u0161ka identifikatora korisnika i procesa iz kreiranog izoliranog okru\u017eenja mogu se koristiti na\u010dini CLONE_NEWUSER (user namespace) i CLONE_NEWPID (PID namespace), a za zabranu sticanja novih privilegija primenjuje se re\u017eim PR_SET_NO_NEW_PRIVS. Za sticanje potrebnih privilegija koristi se &#171;user namespace&#187;.    <\/p>\n<p>U novom izdanju:  <\/p>\n<ul>\n<li class=\"l\"> Licenca za kod promijenjena je s LGPL 2.0+ na LGPL 2.1+.\n<li class=\"l\"> Prekida se podr\u0161ka za izgradnju u obliku izvr\u0161nog fajla koji dobija dodatne privilegije pomo\u0107u suid root zastavice. Prisutnost podr\u0161ke za &#171;user namespace&#187; sada je obavezna u sistemu. Kao razlog navedena je slo\u017eenost odr\u017eavanja verzije sa suid zastavicom naspram sveprisutne podr\u0161ke za &#171;user namespace&#187; u distribucijama.\n<li class=\"l\"> Dodana je opcija &#171;&#8212;not-a-security-boundary&#187;, prilikom postavljanje koje neki problemi pri konfiguraciji izolovanog sandbox okru\u017eenja, poput ponovnog montiranja pododeljka, ne dovode do vanrednog zavr\u0161etka rada.\n<li class=\"l\"> Dodana je opcija za izgradnju &#171;assume_kernel&#187;, koja isklju\u010duje obezbe\u0111ivanje unazadne kompatibilnosti sa starijim Linux jezgrama od navedenog broja verzije. Na primer, odre\u0111ivanje verzija 5.6.0+ dovodi do isklju\u010divanja alternativne implementacije funkcionalnosti &#171;openat2(RESOLVE_IN_ROOT)&#187;.      <\/ul>\n<p>Izvor: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=66151\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430 \u043d\u043e\u0432\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0439 Bubblewrap 0.12, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u043d\u0435\u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439. \u041d\u0430 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0435 Bubblewrap \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c Flatpak \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u0440\u043e\u0441\u043b\u043e\u0439\u043a\u0438 \u0434\u043b\u044f \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438 \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u043c\u044b\u0445 \u0438\u0437 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439. \u0414\u043b\u044f \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u0442\u0440\u0430\u0434\u0438\u0446\u0438\u043e\u043d\u043d\u044b\u0435 \u0434\u043b\u044f Linux \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043d\u043e\u0439 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438, \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u043d\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 cgroups, \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432 \u0438\u043c\u0451\u043d (namespaces), Seccomp \u0438 SELinux. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-183160","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.5 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430 \u043d\u043e\u0432\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0439 Bubblewrap 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