{"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\/sv\/blog\/news\/vypusk-samba-4-12-0","title":{"rendered":"Lansering av 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\">Presenteras<\/a><\/noindex> utgivning <noindex><a rel=\"nofollow\" href=\"http:\/\/www.samba.org\/\">Samba 4.12.0<\/a><\/noindex>, som fortsatte utvecklingen av grenen <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=35571\">Samba 4<\/a><\/noindex> med en fullst\u00e4ndig implementering av dom\u00e4nkontroller och Active Directory-tj\u00e4nsten, kompatibel med Windows 2000-implementeringen och kapabel att st\u00f6dja alla versioner av Windows-klienter som st\u00f6ds av Microsoft, inklusive Windows 10. Samba 4 \u00e4r en multifunktionell serverprodukt, som ocks\u00e5 erbjuder en filserver, utskriftstj\u00e4nst och identitetserver (winbind).<\/p>\n<p>Nyckel <noindex><a rel=\"nofollow\" href=\"http:\/\/www.samba.org\/samba\/history\/samba-4.12.0.html\">f\u00f6r<\/a><\/noindex> i Samba 4.12:<\/p>\n<ul>\n<li class=\"l\"> Inbyggda implementationer av kryptografiska funktioner har tagits bort fr\u00e5n koden f\u00f6r att anv\u00e4nda externa bibliotek. GnuTLS har valts som huvud kryptobibliotek (minst version 3.4.7 kr\u00e4vs). F\u00f6rutom att minska potentiella hot relaterade till s\u00e5rbarheter i inbyggda implementationer av kryptovalutor har \u00f6verg\u00e5ngen till GnuTLS ocks\u00e5 resulterat i en betydande prestandaf\u00f6rb\u00e4ttring vid anv\u00e4ndning av kryptering i SMB3. Testning med CIFS-klienten fr\u00e5n Linux-k\u00e4rnan 5.3 visade en tre g\u00e5nger snabbare skrivhastighet och 2.5 g\u00e5nger snabbare l\u00e4shastighet.\n<li class=\"l\"> En ny backend har lagts till f\u00f6r s\u00f6kningar p\u00e5 SMB-delningar med hj\u00e4lp av protokollet <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.samba.org\/index.php\/Spotlight\">Spotlight<\/a><\/noindex>, baserat p\u00e5 s\u00f6kmotorn  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.elastic.co\/elasticsearch\">Elasticsearch<\/a><\/noindex> (tidigare tillhandah\u00f6lls en backend baserad p\u00e5 <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.gnome.org\/Projects\/Tracker\">GNOME Tracker<\/a><\/noindex>). Dessutom har verktyget &#171;mdfind&#187; lagts till med en klientimplementering som m\u00f6jligg\u00f6r att skicka s\u00f6kfr\u00e5gor till valfri SMB-server d\u00e4r RPC-tj\u00e4nsten Spotlight k\u00f6rs. Standardv\u00e4rdet f\u00f6r inst\u00e4llningen &#171;spotlight backend&#187; har \u00e4ndrats till &#171;noindex&#187; (f\u00f6r Tracker eller Elasticsearch m\u00e5ste v\u00e4rdena &#171;tracker&#187; eller &#171;elasticsearch&#187; anges explicit).\n<li class=\"l\"> Beteendet f\u00f6r operationerna &#8216;net ads kerberos pac save&#8217; och &#8216;net eventlog export&#8217; har \u00e4ndrats, s\u00e5 att de nu inte skriver \u00f6ver filen, utan i st\u00e4llet ger ett felmeddelande om man f\u00f6rs\u00f6ker exportera till en befintlig fil.\n<li class=\"l\"> I samba-tool har till\u00e4gget av kontaktuppgifter f\u00f6r gruppmedlemmar f\u00f6rb\u00e4ttrats. Tidigare kunde man med kommandot &#8216;samba-tool group addmemers&#8217; enkelt l\u00e4gga till anv\u00e4ndare, grupper och datorer som nya medlemmar i grupper, men nu finns st\u00f6d f\u00f6r att l\u00e4gga till kontakter som gruppmedlemmar.\n<li class=\"l\"> I samba-tool har filtrering efter organisatoriska enheter (OU, Organizational Unit) eller undertr\u00e4d m\u00f6jliggjorts. Nya flaggor &#171;&#8212;base-dn&#187; och &#171;&#8212;member-base-dn&#187; har lagts till, vilket m\u00f6jligg\u00f6r att utf\u00f6ra operationen med endast en viss del av Active Directory-tr\u00e4det, till exempel endast inom en specifik organisatorisk enhet OU.\n<li class=\"l\"> En ny VFS-modul &#8216;io_uring&#8217; har lagts till, som anv\u00e4nder det nya k\u00e4rnans gr\u00e4nssnittet i Linux <noindex><a rel=\"nofollow\" href=\"http:\/\/kernel.dk\/io_uring.pdf\">io_uring<\/a><\/noindex> f\u00f6r asynkron in- och utdata. Io_uring st\u00f6der polling av in- och utdata och kan arbetar med buffring (den tidigare f\u00f6reslagna mekanismen &#171;aio&#187; st\u00f6dde inte buffrat in- och utdata). N\u00e4r polling \u00e4r aktiverat \u00f6vertr\u00e4ffar io_uring avsev\u00e4rt aio i prestanda. F\u00f6r n\u00e4rvarande implementerar Samba st\u00f6d f\u00f6r SMB_VFS_{PREAD,PWRITE,FSYNC}_SEND\/RECV baserat p\u00e5 io_uring, och overheaden f\u00f6r att uppr\u00e4tth\u00e5lla en pool av flertr\u00e5dad exekvering (threadpool) i anv\u00e4ndarrymden minskas n\u00e4r standard VFS-backend anv\u00e4nds. F\u00f6r att kompilera VFS-modulen &#8216;io_uring&#8217; kr\u00e4vs biblioteket <noindex><a rel=\"nofollow\" href=\"https:\/\/git.kernel.dk\/cgit\/liburing\/\">liburing<\/a><\/noindex> och Linux-k\u00e4rna 5.1+.\n<li class=\"l\"> I VFS finns m\u00f6jlighet att ange ett speciellt tidsv\u00e4rde UTIME_OMIT f\u00f6r att markera behovet av att ignorera tid i funktionen SMB_VFS_NTIMES().\n<li class=\"l\"> I smb.conf har st\u00f6det f\u00f6r parametern &#171;write cache size&#187; tagits bort, eftersom den har blivit meningsl\u00f6s efter inf\u00f6randet av st\u00f6d f\u00f6r io_uring.\n<li class=\"l\"> I Samba-DC och Kerberos har st\u00f6det f\u00f6r kryptering med algoritmen DES upph\u00f6rt. Koden f\u00f6r weak-crypto har tagits bort fr\u00e5n Heimdal-DC.\n<li class=\"l\"> Modulen vfs_netatalk har tagits bort d\u00e5 den var obevakad och har f\u00f6rlorat sin relevans.\n<li class=\"l\"> Backend BIND9_FLATFILE har f\u00f6rklarats f\u00f6r\u00e5ldrad och kommer att tas bort i en av de kommande utg\u00e5vorna.\n<li class=\"l\"> biblioteket zlib ing\u00e5r nu i byggberoendena. Den inbyggda implementationen av zlib har tagits bort fr\u00e5n kodbasen (koden baserades p\u00e5 en gammal version av zlib d\u00e4r krypteringsst\u00f6det inte fungerade korrekt).\n<li class=\"l\"> Fuzzing-testning av kodbasen har etablerats, inklusive i tj\u00e4nsten<br \/>\noss-fuzz. Under fuzzing-testningen har m\u00e5nga fel uppt\u00e4ckts och \u00e5tg\u00e4rdats.<\/p>\n<li class=\"l\"> Kravet p\u00e5 minimal version av Python har h\u00f6jts fr\u00e5n Python<br \/>\n3.4 till Python 3.5. M\u00f6jligheten att bygga en filserver med Python 2 kvarst\u00e5r fortfarande (innan du k\u00f6r .\\\/configure&#8217; och &#8216;make&#8217; ska milj\u00f6variabeln &#8216;PYTHON=python2&#8217; s\u00e4ttas).<\/p>\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>K\u00e4lla: <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\/sv\/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=\"sv_SE\" \/>\n\t\t<meta 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