{"id":72850,"date":"2020-03-05T02:41:54","date_gmt":"2020-03-04T23:41:54","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-samba-4-12-0"},"modified":"2020-03-05T02:41:54","modified_gmt":"2020-03-04T23:41:54","slug":"vypusk-samba-4-12-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/vypusk-samba-4-12-0","title":{"rendered":"Vydanie Samba 4.12.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/lists.samba.org\/archive\/samba-announce\/2020\/000514.html\">Predstaven\u00e9<\/a><\/noindex> uvo\u013enenie <noindex><a rel=\"nofollow\" href=\"http:\/\/www.samba.org\/\">Samba 4.12.0<\/a><\/noindex>, ktor\u00e1 pokra\u010dovala vo v\u00fdvoji vetvy <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=35571\">Samba 4<\/a><\/noindex> s \u00faplnou implement\u00e1ciou ovl\u00e1da\u010da dom\u00e9ny a slu\u017eby Active Directory, kompatibilnej s implement\u00e1ciou Windows 2000 a schopnej obsluhova\u0165 v\u0161etky podporovan\u00e9 verzie klientov Windows, vr\u00e1tane Windows 10. Samba 4 je multifunk\u010dn\u00fd serverov\u00fd produkt, ktor\u00fd poskytuje aj implement\u00e1ciu s\u00faborov\u00e9ho servera, slu\u017eby tla\u010de a servera identifik\u00e1cie (winbind).<\/p>\n<p>K\u013e\u00fa\u010dov\u00e9 <noindex><a rel=\"nofollow\" href=\"http:\/\/www.samba.org\/samba\/history\/samba-4.12.0.html\">zmeny<\/a><\/noindex> v Samba 4.12:<\/p>\n<ul>\n<li class=\"l\"> Z k\u00f3du boli odstr\u00e1nen\u00e9 zabudovan\u00e9 realiz\u00e1cie kryptografick\u00fdch funkci\u00ed v prospech pou\u017e\u00edvania extern\u00fdch kni\u017en\u00edc. Ako hlavn\u00e1 kryptokni\u017enica bola vybran\u00e1 GnuTLS (vy\u017eaduje sa aspo\u0148 verzia 3.4.7). Okrem zn\u00ed\u017eenia mo\u017en\u00fdch hrozieb spojen\u00fdch s odhalen\u00edm zranite\u013enost\u00ed v zabudovan\u00fdch realiz\u00e1ci\u00e1ch kryptografick\u00fdch algoritmov, prechod na GnuTLS tie\u017e umo\u017enil dosiahnu\u0165 v\u00fdznamn\u00e9 zv\u00fd\u0161enie v\u00fdkonu pri pou\u017e\u00edvan\u00ed \u0161ifrovania v SMB3. Pri testovan\u00ed s implement\u00e1ciou klienta CIFS z jadra Linux 5.3 bola zaznamenan\u00e1 trojn\u00e1sobn\u00e1 r\u00fdchlos\u0165 z\u00e1pisu a 2,5-n\u00e1sobn\u00e1 r\u00fdchlos\u0165 \u010d\u00edtania.\n<li class=\"l\"> Pridan\u00fd nov\u00fd backend na vyh\u013ead\u00e1vanie na SMB oddieloch s vyu\u017eit\u00edm protokolu <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.samba.org\/index.php\/Spotlight\">Spotlight<\/a><\/noindex>, zalo\u017een\u00e9ho na vyh\u013ead\u00e1vacom eng\u00edne  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.elastic.co\/elasticsearch\">Elasticsearch<\/a><\/noindex> (predt\u00fdm bol poskytovan\u00fd backend na b\u00e1ze <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.gnome.org\/Projects\/Tracker\">GNOME Tracker<\/a><\/noindex>). Do zlo\u017eenia bola pridan\u00e1 aj utilita &#171;mdfind&#187; s implement\u00e1ciou klienta, ktor\u00e1 umo\u017e\u0148uje posiela\u0165 vyh\u013ead\u00e1vacie dopyty na ak\u00fdko\u013evek SMB server, na ktorom je spusten\u00e1 RPC slu\u017eba Spotlight. Hodnota nastavenia &#171;spotlight backend&#187; bola predvolene zmenen\u00e1 na &#171;noindex&#187; (pre Tracker alebo Elasticsearch je potrebn\u00e9 v\u00fdslovne nastavi\u0165 hodnoty &#171;tracker&#187; alebo &#171;elasticsearch&#187;).\n<li class=\"l\"> Bolo zmenen\u00e9 spr\u00e1vanie oper\u00e1ci\u00ed &#8216;net ads kerberos pac save&#8217; a &#8216;net eventlog export&#8217;, ktor\u00e9 teraz neprep\u00ed\u0161u s\u00fabor, a v pr\u00edpade pokusu o export do existuj\u00faceho s\u00faboru vyp\u00ed\u0161u chybu.\n<li class=\"l\"> V samba-tool bol vylep\u0161en\u00fd proces prid\u00e1vania kontaktn\u00fdch z\u00e1znamov pre \u010dlenov skup\u00edn. Ak sa predt\u00fdm pomocou pr\u00edkazu &#8216;samba-tool group addmemers&#8217; dalo jednoducho prida\u0165 pou\u017e\u00edvate\u013eov, skupiny a po\u010d\u00edta\u010de ako nov\u00fdch \u010dlenov skup\u00edn, teraz pribudlo aj podporu prid\u00e1vania kontaktov ako \u010dlenov skup\u00edn.\n<li class=\"l\"> V samba-tool bola povolen\u00e1 filtr\u00e1cia pod\u013ea organiza\u010dn\u00fdch jednotiek (OU, Organizational Unit) alebo podstromu. Boli pridan\u00e9 nov\u00e9 prep\u00edna\u010de &#171;&#8212;base-dn&#187; a &#171;&#8212;member-base-dn&#187;, ktor\u00e9 umo\u017e\u0148uj\u00fa vykona\u0165 oper\u00e1ciu len s ur\u010ditou \u010das\u0165ou stromu Active Directory, napr\u00edklad len v r\u00e1mci jedn\u00e9ho podniku OU.\n<li class=\"l\"> Bol pridan\u00fd nov\u00fd VFS modul &#8216;io_uring&#8217;, ktor\u00fd vyu\u017e\u00edva nov\u00fd interface jadra Linux <noindex><a rel=\"nofollow\" href=\"http:\/\/kernel.dk\/io_uring.pdf\">io_uring<\/a><\/noindex> pre asynchr\u00f3nny vstup\/v\u00fdstup. Io_uring podporuje polling vstupu\/v\u00fdstupu a m\u00f4\u017ee pracova\u0165 s vyrovn\u00e1vacou pam\u00e4\u0165ou (predt\u00fdm navrhovan\u00fd mechanizmus &#171;aio&#187; nepodporoval vyrovn\u00e1vaciu pam\u00e4\u0165). Pri pr\u00e1ci s povolen\u00fdm pollingom je io_uring v\u00fdkonnej\u0161\u00ed ako aio. V s\u00fa\u010dasnosti Samba implementuje podporu SMB_VFS_{PREAD,PWRITE,FSYNC}_SEND\/RECV na z\u00e1klade io_uring a zn\u00ed\u017eili sa n\u00e1klady na udr\u017eovanie vl\u00e1knov\u00e9ho baz\u00e9na (threadpool) v u\u017e\u00edvate\u013eskom priestore pri pou\u017eit\u00ed navrhovan\u00e9ho predvolen\u00e9ho VFS backendu. Na zostavenie VFS modulu &#8216;io_uring&#8217; je potrebn\u00e9 ma\u0165 kni\u017enicu <noindex><a rel=\"nofollow\" href=\"https:\/\/git.kernel.dk\/cgit\/liburing\/\">liburing<\/a><\/noindex> a jadro Linux 5.1+.\n<li class=\"l\"> Vo VFS je zabezpe\u010den\u00e1 mo\u017enos\u0165 ur\u010denia \u0161peci\u00e1lnej hodnoty \u010dasu UTIME_OMIT na ozna\u010denie potreby ignorovania \u010dasu vo funkcii SMB_VFS_NTIMES().\n<li class=\"l\"> B smb.conf bola zru\u0161en\u00e1 podpora parametru &#171;write cache size&#187;, ktor\u00fd stratil v\u00fdznam po zaveden\u00ed podpory io_uring.\n<li class=\"l\"> V Samba-DC a Kerberos bola zru\u0161en\u00e1 podpora \u0161ifrovania pomocou algoritmu DES. V Heimdal-DC bol odstr\u00e1nen\u00fd k\u00f3d weak-crypto.\n<li class=\"l\"> Bol odstr\u00e1nen\u00fd modul vfs_netatalk, ktor\u00fd ostal bez podpory a stratil relevanciu.\n<li class=\"l\"> Bolo vyhl\u00e1sen\u00e9 za zastaran\u00e9 backend BIND9_FLATFILE, ktor\u00fd bude odstr\u00e1nen\u00fd v niektorom z nasleduj\u00facich vydan\u00ed.\n<li class=\"l\"> Kni\u017enica zlib bola zahrnut\u00e1 medzi z\u00e1vislosti pri zostavovan\u00ed. Vstavan\u00e1 implement\u00e1cia zlib bola odstr\u00e1nen\u00e1 z k\u00f3du (k\u00f3d bol zalo\u017een\u00fd na starej verzii zlib, v ktorej spr\u00e1vne nefungovala podpora \u0161ifrovania).\n<li class=\"l\"> Bola nastaven\u00e1 fuzzingov\u00e1 testovacia kni\u017enica, vr\u00e1tane slu\u017eby<br \/>\noss-fuzz. Po\u010das fuzzingov\u00e9ho testovania bolo identifikovan\u00fdch a opraven\u00fdch mno\u017estvo ch\u00fdb.<\/p>\n<li class=\"l\"> Po\u017eiadavky na minim\u00e1lnu verziu Pythonu boli zv\u00fd\u0161en\u00e9 z Python<br \/>\n3.4 do Python 3.5. Mo\u017enos\u0165 zostavenia s\u00faborov\u00e9ho servera s Python 2 zatia\u013e zost\u00e1va (pred spusten\u00edm .\\\/configure&#8217; a &#8216;make&#8217; je potrebn\u00e9 nastavi\u0165 premenn\u00fa prostredia &#8216;PYTHON=python2&#8217;).<\/p>\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52475\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 Samba 4.12.0, \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0438\u0432\u0448\u0438\u0439 \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u0432\u0435\u0442\u043a\u0438 Samba 4 \u0441 \u043f\u043e\u043b\u043d\u043e\u0446\u0435\u043d\u043d\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u0430 \u0434\u043e\u043c\u0435\u043d\u0430 \u0438 \u0441\u0435\u0440\u0432\u0438\u0441\u0430 Active Directory, \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0433\u043e \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 Windows 2000 \u0438 \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0433\u043e \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u0442\u044c \u0432\u0441\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u044b\u0435 Microsoft \u0432\u0435\u0440\u0441\u0438\u0438 Windows-\u043a\u043b\u0438\u0435\u043d\u0442\u043e\u0432, \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 Windows 10. Samba 4 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043c\u043d\u043e\u0433\u043e\u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u043c \u0441\u0435\u0440\u0432\u0435\u0440\u043d\u044b\u043c \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u043c, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u043c \u0442\u0430\u043a\u0436\u0435 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430, \u0441\u0435\u0440\u0432\u0438\u0441\u0430 \u043f\u0435\u0447\u0430\u0442\u0438 \u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 (winbind). \u041a\u043b\u044e\u0447\u0435\u0432\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f [&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-72850","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=\"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 Samba 4.12.0.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/sk\/blog\/news\/vypusk-samba-4-12-0\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.4\" \/>\n\t\t<meta property=\"og:locale\" content=\"sk_SK\" \/>\n\t\t<meta 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