{"id":120438,"date":"2024-10-31T19:09:22","date_gmt":"2024-10-31T17:09:22","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-bubblewrap-0-11-proslojki-dlya-sozdaniya-izolirovannyh-okruzhenij"},"modified":"2024-10-31T19:09:22","modified_gmt":"2024-10-31T17:09:22","slug":"vypusk-bubblewrap-0-11-proslojki-dlya-sozdaniya-izolirovannyh-okruzhenij","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/vypusk-bubblewrap-0-11-proslojki-dlya-sozdaniya-izolirovannyh-okruzhenij","title":{"rendered":"Vydanie Bubblewrap 0.11, vrstvy na vytv\u00e1ranie izolovan\u00fdch prostred\u00ed","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Vydan\u00e1 nov\u00e1 verzia n\u00e1stroja na organiz\u00e1ciu pr\u00e1ce izolovan\u00fdch prostred\u00ed Bubblewrap 0.11, ktor\u00fd sl\u00fa\u017ei na obmedzenie jednotliv\u00fdch aplik\u00e1ci\u00ed neprivilegovan\u00fdch pou\u017e\u00edvate\u013eov. V praxi sa Bubblewrap pou\u017e\u00edva projektom Flatpak ako vrstva na izol\u00e1ciu sp\u00fa\u0161\u0165an\u00fdch aplik\u00e1ci\u00ed z bal\u00edkov. Na izol\u00e1ciu sa pou\u017e\u00edvaj\u00fa tradi\u010dn\u00e9 technol\u00f3gie kontajnerovej virtualiz\u00e1cie v Linuxe, zalo\u017een\u00e9 na pou\u017eit\u00ed cgroups, priestorov mien (namespaces), Seccomp a SELinux. K\u00f3d projektu je nap\u00edsan\u00fd v jazyku C a je distribuovan\u00fd pod licenciou LGPLv2+.    <\/p>\n<p>Izol\u00e1cia na \u00farovni s\u00faborov\u00e9ho syst\u00e9mu sa vykon\u00e1va vytvoren\u00edm nov\u00e9ho priestoru n\u00e1zvov bodov pripojenia (mount namespace) predvolene, v ktorom sa pomocou tmpfs vytvor\u00ed pr\u00e1zdny kore\u0148ov\u00fd oddiel. Do tohto oddielu sa v pr\u00edpade potreby pripojuj\u00fa oddiely vonkaj\u0161ej FS v re\u017eime \u201emount \u2014bind\u201c (napr\u00edklad pri sp\u00fa\u0161\u0165an\u00ed s mo\u017enos\u0165ou \u201ebwrap \u2014ro-bind \/usr \/usr\u201c je oddiel \/usr prepojen\u00fd z hlavn\u00e9ho syst\u00e9mu v re\u017eime iba na \u010d\u00edtanie). Sie\u0165ov\u00e9 mo\u017enosti s\u00fa obmedzen\u00e9 pr\u00edstupom k loopback rozhraniu s izol\u00e1ciou sie\u0165ov\u00e9ho z\u00e1sobn\u00edka cez vlajky CLONE_NEWNET a CLONE_NEWUTS.     <\/p>\n<p>Na vyl\u00fa\u010denie v\u0161etk\u00fdch nepotrebn\u00fdch identifik\u00e1torov pou\u017e\u00edvate\u013eov a procesov z vytv\u00e1ran\u00e9ho izolovan\u00e9ho prostredia je mo\u017en\u00e9 pou\u017ei\u0165 m\u00f3dy CLONE_NEWUSER (menov\u00fd priestor pou\u017e\u00edvate\u013eov) a CLONE_NEWPID (PID menov\u00fd priestor), a pre z\u00e1kaz z\u00edskavania nov\u00fdch privil\u00e9gi\u00ed sa uplat\u0148uje re\u017eim PR_SET_NO_NEW_PRIVS. Na syst\u00e9moch s \u201emenov\u00fdm priestorom pou\u017e\u00edvate\u013eov\u201c m\u00f4\u017ee Bubblewrap be\u017ea\u0165 ako be\u017en\u00fd pou\u017e\u00edvate\u013e, a na syst\u00e9moch bez \u201emenov\u00e9ho priestoru pou\u017e\u00edvate\u013eov\u201c m\u00f4\u017ee by\u0165 pou\u017eit\u00fd s praporkom suid root na vykonanie potrebnej inicializ\u00e1cie izolovan\u00e9ho prostredia.      <\/p>\n<p>V novom vydan\u00ed:  <\/p>\n<ul>\n<li class=\"l\"> Bola poskytnut\u00e1 mo\u017enos\u0165 vytv\u00e1rania bodov pripojenia, v ktor\u00fdch sa pou\u017e\u00edva monolitick\u00fd s\u00faborov\u00fd syst\u00e9m OverlayFS, sp\u00e1jaj\u00faci viacero \u010dast\u00ed in\u00fdch s\u00faborov\u00fdch syst\u00e9mov. Na spr\u00e1vu vyu\u017e\u00edvania OverlayFS s\u00fa navrhnut\u00e9 nov\u00e9 mo\u017enosti pr\u00edkazov\u00e9ho riadku \u201e\u2014overlay\u201c, \u201e\u2014tmp-overlay\u201c, \u201e\u2014ro-overlay\u201c a \u201e\u2014overlay-src\u201c.\n<li class=\"l\"> Bola pridan\u00e1 mo\u017enos\u0165 \u201e\u2014level-prefix\u201c na vlo\u017eenie \u00farovne prior\u00edt v diagnostickom v\u00fdstupe v \u0161t\u00fdle syslog, \u010do umo\u017e\u0148uje pre spracovanie v\u00fdstupu pou\u017e\u00edva\u0165 tak\u00e9 n\u00e1stroje ako \u201elogger\u201c a \u201esystemd-cat\u201c.\n<li class=\"l\"> Podpora pre syst\u00e9m zostavovania Autotools bola ukon\u010den\u00e1. Na zostavenie je teraz potrebn\u00fd n\u00e1stroj Meson.    <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62149\">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 0.11, \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":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-120438","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=\"\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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Bubblewrap 0.11, ktor\u00fd sl\u00fa\u017ei na obmedzenie jednotliv\u00fdch aplik\u00e1ci\u00ed neprivilegovan\u00fdch pou\u017e\u00edvate\u013eov.","canonical_url":"https:\/\/prohoster.info\/sk\/blog\/news\/vypusk-bubblewrap-0-11-proslojki-dlya-sozdaniya-izolirovannyh-okruzhenij","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sk_SK","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\u044b\u043f\u0443\u0441\u043a Bubblewrap 0.11, \u043f\u0440\u043e\u0441\u043b\u043e\u0439\u043a\u0438 \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f 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