{"id":53324,"date":"2019-11-29T00:00:00","date_gmt":"2019-11-28T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/vypusk-bubblewrap-0-4-0-proslojki-dlya-sozdaniya-izolirovannyh-okruzhenij"},"modified":"2020-02-18T14:01:13","modified_gmt":"2020-02-18T11:01:13","slug":"vypusk-bubblewrap-0-4-0-proslojki-dlya-sozdaniya-izolirovannyh-okruzhenij","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/vypusk-bubblewrap-0-4-0-proslojki-dlya-sozdaniya-izolirovannyh-okruzhenij","title":{"rendered":"Megjelent a Bubblewrap 0.4.0, az elszigetelt k\u00f6rnyezetek l\u00e9trehoz\u00e1s\u00e1ra szolg\u00e1l\u00f3 r\u00e9teg","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

El\u00e9rhet\u0151<\/a><\/noindex> \u00faj kiad\u00e1s az eszk\u00f6zk\u00e9szletr\u0151l Bubblewrap 0.4.0<\/a><\/noindex>, amely a Linux izol\u00e1lt k\u00f6rnyezeteinek m\u0171k\u00f6d\u00e9s\u00e9t hivatott megszervezni, \u00e9s norm\u00e1l felhaszn\u00e1l\u00f3i szinten m\u0171k\u00f6dik. A Bubblewrap a Flatpak projekt \u00e1ltal alkalmazott r\u00e9teg az alkalmaz\u00e1scsomagokb\u00f3l futtatott programok izol\u00e1l\u00e1s\u00e1ra. A projekt k\u00f3dja C nyelven \u00edr\u00f3dott \u00e9s terjeszt\u00e9sre ker\u00fcl<\/a><\/noindex> LGPLv2+ licenc alatt \u00e1ll.<\/p>\n

Az elszigetel\u00e9shez a Linuxban megszokott kont\u00e9neres virtualiz\u00e1ci\u00f3s technol\u00f3gi\u00e1kat haszn\u00e1lj\u00e1k, amelyek cgroups, n\u00e9vterek (namespaces), Seccomp \u00e9s SELinux alkalmaz\u00e1s\u00e1n alapulnak. A kont\u00e9ner be\u00e1ll\u00edt\u00e1s\u00e1hoz sz\u00fcks\u00e9ges privilegiz\u00e1lt m\u0171veletek v\u00e9grehajt\u00e1s\u00e1hoz a Bubblewrap root jogokkal (suid flag-gel rendelkez\u0151 futtathat\u00f3 f\u00e1jl) indul, majd a kont\u00e9ner inicializ\u00e1l\u00e1sa ut\u00e1n a privil\u00e9giumokat vissza\u00e1ll\u00edtja. <\/p>\n

A felhaszn\u00e1l\u00f3i azonos\u00edt\u00f3-namespacek (user namespaces) aktiv\u00e1l\u00e1sa nem sz\u00fcks\u00e9ges, mivel alap\u00e9rtelmezettk\u00e9nt sok terjeszt\u00e9sben nem m\u0171k\u00f6dik. A Bubblewrap korl\u00e1tozott, suid-alap\u00fa megval\u00f3s\u00edt\u00e1snak van felt\u00fcntetve a felhaszn\u00e1l\u00f3i namespacek lehet\u0151s\u00e9geinek egy r\u00e9szhalmaz\u00e1val, amely kiz\u00e1rja az \u00f6sszes felhaszn\u00e1l\u00f3i \u00e9s folyamatazonos\u00edt\u00f3t a k\u00f6rnyezetb\u0151l, kiv\u00e9ve a jelenlegit, a CLONE_NEWUSER \u00e9s CLONE_NEWPID m\u00f3dok haszn\u00e1lat\u00e1val. Tov\u00e1bbi v\u00e9delem \u00e9rdek\u00e9ben a rendszer \u00e1ltal kezelt
\n A hasonl\u00f3 projektt\u0151l <\/p>\n

A f\u00e1jlrendszer szint\u0171 izol\u00e1l\u00e1s alap\u00e9rtelmez\u00e9s szerint \u00faj mont\u00e1zs n\u00e9vt\u00e9r (mount namespace) l\u00e9trehoz\u00e1s\u00e1val t\u00f6rt\u00e9nik, amelyben a tmpfs seg\u00edts\u00e9g\u00e9vel \u00fcres gy\u00f6k\u00e9rpart\u00edci\u00f3 j\u00f6n l\u00e9tre. Ezen a part\u00edci\u00f3n sz\u00fcks\u00e9g eset\u00e9n k\u00fcls\u0151 f\u00e1jlrendszerek part\u00edci\u00f3i csatlakoztathat\u00f3k a 'mount \u2014bind' m\u00f3ddal (p\u00e9ld\u00e1ul a 'bwrap \u2014ro-bind \/usr \/usr' opci\u00f3 bekapcsol\u00e1sakor a \/usr part\u00edci\u00f3 az alap\u00e9rtelmezett rendszerb\u0151l csak olvas\u00e1si m\u00f3dba ker\u00fcl). A h\u00e1l\u00f3zati lehet\u0151s\u00e9gek a loopback interf\u00e9sz el\u00e9r\u00e9s\u00e9re korl\u00e1toz\u00f3dnak a h\u00e1l\u00f3zati verem izol\u00e1l\u00e1s\u00e1val a CLONE_NEWNET \u00e9s CLONE_NEWUTS z\u00e1szl\u00f3k seg\u00edts\u00e9g\u00e9vel.<\/p>\n

Firejail , amely szint\u00e9n setuid alkalmaz\u00e1si modellt haszn\u00e1l, annyiban k\u00fcl\u00f6nb\u00f6zik, hogy a Bubblewrap kont\u00e9nerek l\u00e9trehoz\u00e1s\u00e1ra szolg\u00e1l\u00f3 r\u00e9teg csak a felt\u00e9tlen\u00fcl sz\u00fcks\u00e9ges lehet\u0151s\u00e9geket tartalmazza, m\u00edg minden tov\u00e1bbi funkci\u00f3, amely grafikus alkalmaz\u00e1sok futtat\u00e1s\u00e1hoz, asztali interakci\u00f3hoz \u00e9s a Pulseaudio szerz\u0151d\u00e9s sz\u0171r\u00e9s\u00e9hez sz\u00fcks\u00e9ges, \u00e1tker\u00fcl a Flatpakhoz \u00e9s m\u00e1r a privilegiumok vissza\u00e1ll\u00edt\u00e1sa ut\u00e1n hajt\u00f3dik v\u00e9gre. A Firejail viszont egyetlen v\u00e9grehajthat\u00f3 f\u00e1jlba gy\u0171jti a kapcsol\u00f3d\u00f3 funkci\u00f3kat, ami megnehez\u00edti biztons\u00e1g\u00e1nak audit\u00e1l\u00e1s\u00e1t \u00e9s fenntart\u00e1s\u00e1t.<\/a><\/noindex>a megfelel\u0151 szinten Az \u00faj kiad\u00e1s figyelemre m\u00e9lt\u00f3 a felhaszn\u00e1l\u00f3i \u00e9s folyamatazonos\u00edt\u00f3k (user namespaces \u00e9s pid namespaces) megl\u00e9v\u0151 neveinek csatlakoztat\u00e1s\u00e1nak t\u00e1mogat\u00e1s\u00e1nak bevezet\u00e9s\u00e9vel. A n\u00e9vterek csatlakoztat\u00e1s\u00e1nak kezel\u00e9s\u00e9hez hozz\u00e1adt\u00e1k a \"--userns\", \"--userns2\" \u00e9s \"--pidns\" z\u00e1szl\u00f3kat.<\/a><\/noindex>.<\/p>\n

Az \u00faj kiad\u00e1s jelent\u0151s azzal, hogy t\u00e1mogatja a megl\u00e9v\u0151 felhaszn\u00e1l\u00f3i azonos\u00edt\u00f3- \u00e9s folyamat-namespacek (pid namespaces) csatlakoztat\u00e1s\u00e1t. A namespacek csatlakoztat\u00e1s\u00e1nak kezel\u00e9s\u00e9hez az «--userns», «--userns2» \u00e9s «--pidns» z\u00e1szl\u00f3k ker\u00fcltek hozz\u00e1ad\u00e1sra.
\nmegmarad\u00f3 lehet\u0151s\u00e9geket.
\nA felhaszn\u00e1l\u00f3i namespacek a rendszerben (alap\u00e9rtelmez\u00e9s szerint le vannak tiltva a Debian \u00e9s RHEL\/CentOS rendszerekben) \u00e9s nem z\u00e1rja ki a lehet\u0151s\u00e9get kihaszn\u00e1l\u00e1s<\/a><\/noindex> potenci\u00e1lisan<\/a><\/noindex> a fennmarad\u00f3<\/a><\/noindex> sebezhet\u0151s\u00e9get<\/a><\/noindex> a «user namespaces» korl\u00e1toz\u00e1saihoz. A Bubblewrap 0.4 \u00faj lehet\u0151s\u00e9gei k\u00f6z\u00f6tt szerepel a musl C k\u00f6nyvt\u00e1rral val\u00f3 ford\u00edt\u00e1s glibc helyett, tov\u00e1bb\u00e1 a namespacekkel kapcsolatos adatok JSON form\u00e1tum\u00fa statisztikai f\u00e1jlba val\u00f3 ment\u00e9s\u00e9nek t\u00e1mogat\u00e1sa.<\/p>\n

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

Forr\u00e1s: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u043d\u043e\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f Bubblewrap 0.4.0, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0433\u043e \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 \u0432 Linux \u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \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 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\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. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 LGPLv2+. \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 […]<\/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-53324","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\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\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47A Bubblewrap 0.4.0 kiad\u00e1sa, r\u00e9teg az elszigetelt k\u00f6rnyezetek l\u00e9trehoz\u00e1s\u00e1ra | ProHoster","description":"\u00daj kiad\u00e1s el\u00e9rhet\u0151 a fejleszt\u0151i eszk\u00f6zb\u0151l","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/vypusk-bubblewrap-0-4-0-proslojki-dlya-sozdaniya-izolirovannyh-okruzhenij","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"hu_HU","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 0.4.0, \u043f\u0440\u043e\u0441\u043b\u043e\u0439\u043a\u0438 \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0439 | ProHoster","og:description":"\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u043d\u043e\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f","og:url":"https:\/\/prohoster.info\/hu\/blog\/news\/vypusk-bubblewrap-0-4-0-proslojki-dlya-sozdaniya-izolirovannyh-okruzhenij","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2019-11-28T21:00:00+00:00","article:modified_time":"2020-02-18T11:01:13+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"53324","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":"2026-01-24 06:56:20","breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-02-28 20:27:38","updated":"2026-01-24 06:56:20","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/53324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/comments?post=53324"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/53324\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/media?parent=53324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/categories?post=53324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/tags?post=53324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}