{"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\/ro\/blog\/news\/vypusk-samba-4-12-0","title":{"rendered":"Lansarea 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\">Prezentat<\/a><\/noindex> lansare <noindex><a rel=\"nofollow\" href=\"http:\/\/www.samba.org\/\">Samba 4.12.0<\/a><\/noindex>, continu\u00e2nd dezvoltarea ramurii <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=35571\">Samba 4<\/a><\/noindex> cu o implementare complet\u0103 a controlerului de domeniu \u0219i a serviciului Active Directory, compatibil\u0103 cu implementarea Windows 2000 \u0219i capabil\u0103 s\u0103 gestioneze toate versiunile de clien\u021bi Windows suportate de Microsoft, inclusiv Windows 10. Samba 4 este un produs server multifunc\u021bional, oferind, de asemenea, o implementare a serverului de fi\u0219iere, a serviciului de imprimare \u0219i a serverului de identificare (winbind).<\/p>\n<p>Principalele <noindex><a rel=\"nofollow\" href=\"http:\/\/www.samba.org\/samba\/history\/samba-4.12.0.html\">modific\u0103ri<\/a><\/noindex> \u00een Samba 4.12:<\/p>\n<ul>\n<li class=\"l\"> Au fost eliminate din codul surs\u0103 implement\u0103rile \u00eencorporate ale func\u021biilor criptografice \u00een favoarea utiliz\u0103rii bibliotecilor externe. Ca bibliotec\u0103 criptografic\u0103 principal\u0103 s-a decis utilizarea GnuTLS (este necesar\u0103 cel pu\u021bin versiunea 3.4.7). Pe l\u00e2ng\u0103 reducerea posibilelor amenin\u021b\u0103ri legate de identificarea vulnerabilit\u0103\u021bilor din implement\u0103rile criptografice \u00eencorporate, trecerea la GnuTLS a permis de asemenea ob\u021binerea unei \u00eembun\u0103t\u0103\u021biri semnificative a performan\u021bei la utilizarea cript\u0103rii \u00een SMB3. \u00cen timpul testelor cu implementarea clientului CIFS din kernelul Linux 5.3, s-a constatat o cre\u0219tere de 3 ori a vitezei de scriere \u0219i de 2.5 ori a vitezei de citire.\n<li class=\"l\"> A fost ad\u0103ugat un nou backend pentru c\u0103utare pe unit\u0103\u021bile SMB folosind protocolul <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.samba.org\/index.php\/Spotlight\">Spotlight<\/a><\/noindex>, bazat pe motorul de c\u0103utare  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.elastic.co\/elasticsearch\">Elasticsearch<\/a><\/noindex> (anterior se oferea un backend bazat pe <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.gnome.org\/Projects\/Tracker\">GNOME Tracker<\/a><\/noindex>). De asemenea, a fost ad\u0103ugat utilitarul &#171;mdfind&#187; cu realizarea clientului, permi\u021b\u00e2nd trimiterea de interog\u0103ri de c\u0103utare c\u0103tre orice server SMB pe care ruleaz\u0103 serviciul RPC Spotlight. Valoarea set\u0103rii &#171;spotlight backend&#187; a fost schimbat\u0103 implicit \u00een &#171;noindex&#187; (pentru Tracker sau Elasticsearch, trebuie s\u0103 se seteze explicit valorile &#171;tracker&#187; sau &#171;elasticsearch&#187;).\n<li class=\"l\"> Comportamentul opera\u021biunilor &#8216;net ads kerberos pac save&#8217; \u0219i &#8216;net eventlog export&#8217; a fost modificat, acestea nereinstal\u00e2nd fi\u0219ierul, iar \u00een cazul \u00eencerc\u0103rii de a exporta \u00eentr-un fi\u0219ier existent se va afi\u0219a o eroare.\n<li class=\"l\"> \u00cen samba-tool a fost \u00eembun\u0103t\u0103\u021bit\u0103 ad\u0103ugarea de \u00eenregistr\u0103ri de contact pentru membrii grupurilor. Dac\u0103 anterior, cu ajutorul comenzii &#8216;samba-tool group addmemers&#8217; puteai ad\u0103uga doar utilizatori, grupuri \u0219i computere ca membri noi ai grupului, acum s-a ad\u0103ugat suport pentru ad\u0103ugarea contactelor ca membri ai grupurilor.\n<li class=\"l\"> \u00cen samba-tool a fost permis\u0103 filtrarea pe baza unit\u0103\u021bilor organiza\u021bionale (OU, Organizational Unit) sau a arborilor subiacen\u021bi. Au fost ad\u0103ugate noi flaguri &#171;&#8212;base-dn&#187; \u0219i &#171;&#8212;member-base-dn&#187;, care permit efectuarea opera\u021biunii doar cu o anumit\u0103 parte a arborelui Active Directory, de exemplu, doar \u00een cadrul unei singure unit\u0103\u021bi OU.\n<li class=\"l\"> A fost ad\u0103ugat un nou modul VFS &#8216;io_uring&#8217;, care utilizeaz\u0103 o nou\u0103 interfa\u021b\u0103 a nucleului Linux <noindex><a rel=\"nofollow\" href=\"http:\/\/kernel.dk\/io_uring.pdf\">io_uring<\/a><\/noindex> pentru input\/output asincron. Io_uring suport\u0103 polling-ul input\/output \u0219i poate func\u021biona cu bufferizare (anterior propusul mecanism &#171;aio&#187; nu suporta input\/output bufferizat). C\u00e2nd se lucreaz\u0103 cu polling activat, io_uring dep\u0103\u0219e\u0219te semnificativ aio \u00een ceea ce prive\u0219te performan\u021ba. \u00cen prezent, pe baza io_uring, Samba a implementat suportul pentru SMB_VFS_{PREAD,PWRITE,FSYNC}_SEND\/RECV \u0219i a redus cheltuielile pentru men\u021binerea unui pool de execu\u021bie multiproces (threadpool) \u00een spa\u021biul utilizatorului, aplic\u00e2nd backend-ul VFS propus implicit. Pentru compilarea modulului VFS &#8216;io_uring&#8217; este necesar\u0103 existen\u021ba bibliotecii <noindex><a rel=\"nofollow\" href=\"https:\/\/git.kernel.dk\/cgit\/liburing\/\">liburing<\/a><\/noindex> \u0219i kernelul Linux 5.1+.\n<li class=\"l\"> \u00cen VFS, a fost posibil s\u0103 se specifice o valoare special\u0103 a timpului UTIME_OMIT pentru a marca necesitatea ignor\u0103rii timpului \u00een func\u021bia SMB_VFS_NTIMES().\n<li class=\"l\"> B smb.conf a fost semnalat\u0103 \u00eencetarea suportului pentru parametrul &#171;write cache size&#187;, care a devenit irelevant dup\u0103 ce a fost implementat suportul pentru io_uring.\n<li class=\"l\"> \u00cen Samba-DC \u0219i Kerberos, suportul pentru criptarea cu algoritmul DES a fost eliminat. \u00cen Heimdal-DC, codul weak-crypto a fost \u0219ters.\n<li class=\"l\"> Modulul vfs_netatalk a fost eliminat, acesta fiind f\u0103r\u0103 \u00eentre\u021binere \u0219i devenind dep\u0103\u0219it.\n<li class=\"l\"> Backendul BIND9_FLATFILE a fost declarat obsolet \u0219i va fi eliminat \u00een una dintre versiunile urm\u0103toare.\n<li class=\"l\"> Biblioteca zlib a fost inclus\u0103 \u00een lista de dependen\u021be de construire. Implementarea \u00eencorporat\u0103 a zlib a fost eliminat\u0103 din baza de cod (codul se baza pe o versiune veche de zlib, \u00een care suportul pentru criptare nu func\u021biona corect).\n<li class=\"l\"> A fost implementat testarea fuzzing a bazei de cod, inclusiv \u00een serviciul<br \/>\noss-fuzz. \u00cen cadrul testului de fuzzing, au fost identificate \u0219i corectate numeroase erori.<\/p>\n<li class=\"l\"> Cerin\u021bele pentru versiunea minim\u0103 de Python au fost ridicate de la Python<br \/>\n3.4 la Python 3.5. Posibilitatea compil\u0103rii serverului de fi\u0219iere cu Python 2 r\u0103m\u00e2ne deocamdat\u0103 (\u00eenainte de a rula .\/'configure&#8217; \u0219i &#8216;make&#8217; trebuie setat\u0103 variabila de mediu &#8216;PYTHON=python2&#8217;).<\/p>\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Sursa: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52475\">opennet.ro<\/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 5.0.2.1 - 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\/ro\/blog\/news\/vypusk-samba-4-12-0\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.2.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"ro_RO\" \/>\n\t\t<meta 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