{"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\/pl\/blog\/news\/vypusk-samba-4-12-0","title":{"rendered":"Wydanie 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\">Przedstawiony<\/a><\/noindex> wydanie <noindex><a rel=\"nofollow\" href=\"http:\/\/www.samba.org\/\">Samba 4.12.0<\/a><\/noindex>, rozwijaj\u0105cego ga\u0142\u0105\u017a <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=35571\">Samba 4<\/a><\/noindex> z pe\u0142n\u0105 implementacj\u0105 kontrolera domeny i us\u0142ugi Active Directory, zgodnej z implementacj\u0105 Windows 2000 i mog\u0105cej obs\u0142ugiwa\u0107 wszystkie obs\u0142ugiwane wersje klient\u00f3w Windows, w tym Windows 10. Samba 4 jest wielofunkcyjnym produktem serwerowym, kt\u00f3ry oferuje r\u00f3wnie\u017c realizacj\u0119 serwera plik\u00f3w, us\u0142ugi druku oraz serwera identyfikacji (winbind).<\/p>\n<p>Kluczowe <noindex><a rel=\"nofollow\" href=\"http:\/\/www.samba.org\/samba\/history\/samba-4.12.0.html\">zmiany<\/a><\/noindex> w Samba 4.12:<\/p>\n<ul>\n<li class=\"l\"> Usuni\u0119to wbudowane implementacje funkcji kryptograficznych na rzecz wykorzystania zewn\u0119trznych bibliotek. Jako g\u0142\u00f3wn\u0105 bibliotek\u0119 kryptograficzn\u0105 zdecydowano si\u0119 na GnuTLS (wymagana wersja to co najmniej 3.4.7). Opr\u00f3cz zmniejszenia potencjalnych zagro\u017ce\u0144 zwi\u0105zanych z ujawnianiem luk w wbudowanych realizacjach algorytm\u00f3w kryptograficznych, przej\u015bcie na GnuTLS pozwoli\u0142o r\u00f3wnie\u017c na uzyskanie znacznego zwi\u0119kszenia wydajno\u015bci przy u\u017cyciu szyfrowania w SMB3. W testach z implementacj\u0105 klienta CIFS z j\u0105dra Linux 5.3 odnotowano wzrost pr\u0119dko\u015bci zapisu o 3 razy, a odczytu o 2,5 raza.\n<li class=\"l\"> Dodano nowy backend do wyszukiwania na udzia\u0142ach SMB z u\u017cyciem protoko\u0142u <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.samba.org\/index.php\/Spotlight\">Spotlight<\/a><\/noindex>, opartego na silniku wyszukiwania  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.elastic.co\/elasticsearch\">Elasticsearch<\/a><\/noindex> (wcze\u015bniej dost\u0119pny backend oparty na <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.gnome.org\/Projects\/Tracker\">GNOME Tracker<\/a><\/noindex>). Do zestawu dodano r\u00f3wnie\u017c narz\u0119dzie &#171;mdfind&#187; z implementacj\u0105 klienta, kt\u00f3re umo\u017cliwia wysy\u0142anie zapyta\u0144 do dowolnego serwera SMB, na kt\u00f3rym dzia\u0142a us\u0142uga RPC Spotlight. Domy\u015blna warto\u015b\u0107 konfiguracji &#171;spotlight backend&#187; zosta\u0142a zmieniona na &#171;noindex&#187; (dla Tracker lub Elasticsearch nale\u017cy jawnie ustawi\u0107 warto\u015bci &#171;tracker&#187; lub &#171;elasticsearch&#187;).\n<li class=\"l\"> Zmieni\u0142o si\u0119 zachowanie operacji &#8216;net ads kerberos pac save&#8217; oraz &#8216;net eventlog export&#8217;, kt\u00f3re teraz nie nadpisuj\u0105 pliku, a w przypadku pr\u00f3by eksportu do istniej\u0105cego pliku wy\u015bwietlaj\u0105 b\u0142\u0105d.\n<li class=\"l\"> W samba-tool usprawniono dodawanie rekord\u00f3w kontaktowych dla cz\u0142onk\u00f3w grup. Je\u015bli wcze\u015bniej, za pomoc\u0105 polecenia &#8216;samba-tool group addmembers&#8217; mo\u017cna by\u0142o doda\u0107 u\u017cytkownik\u00f3w, grupy i komputery jako nowych cz\u0142onk\u00f3w grup, teraz dodano wsparcie dla dodawania kontakt\u00f3w jako cz\u0142onk\u00f3w grup.\n<li class=\"l\"> W samba-tool umo\u017cliwiono filtrowanie wed\u0142ug jednostek organizacyjnych (OU, Organizational Unit) lub poddrzew. Dodano nowe flagi &#171;&#8212;base-dn&#187; i &#171;&#8212;member-base-dn&#187;, kt\u00f3re pozwalaj\u0105 na przeprowadzenie operacji tylko w okre\u015blonej cz\u0119\u015bci drzewa Active Directory, na przyk\u0142ad tylko w ramach jednej jednostki OU.\n<li class=\"l\"> Dodano nowy modu\u0142 VFS &#8216;io_uring&#8217;, wykorzystuj\u0105cy nowy interfejs j\u0105dra Linux <noindex><a rel=\"nofollow\" href=\"http:\/\/kernel.dk\/io_uring.pdf\">io_uring<\/a><\/noindex> do asynchronicznego wej\u015bcia\/wyj\u015bcia. Io_uring obs\u0142uguje polling wej\u015bcia\/wyj\u015bcia i mo\u017ce dzia\u0142a\u0107 z buforowaniem (wcze\u015bniej proponowany mechanizm &#171;aio&#187; nie obs\u0142ugiwa\u0142 buforowanego wej\u015bcia\/wyj\u015bcia). Przy w\u0142\u0105czonym pollingiem, io_uring znacz\u0105co przewy\u017csza wydajno\u015bci\u0105 aio. W tej chwili w oparciu o io_uring w Samba wdro\u017cono obs\u0142ug\u0119 SMB_VFS_{PREAD,PWRITE,FSYNC}_SEND\/RECV i zredukowano koszty utrzymania puli wielow\u0105tkowej (threadpool) w przestrzeni u\u017cytkownika przy u\u017cyciu proponowanego jako domy\u015blny backendu VFS. Do kompilacji modu\u0142u VFS &#8216;io_uring&#8217; wymagana jest biblioteka <noindex><a rel=\"nofollow\" href=\"https:\/\/git.kernel.dk\/cgit\/liburing\/\">liburing<\/a><\/noindex> i j\u0105dro Linux 5.1+.\n<li class=\"l\"> W VFS dodano mo\u017cliwo\u015b\u0107 wskazania specjalnej warto\u015bci czasu UTIME_OMIT w celu oznaczenia potrzeby ignorowania czasu w funkcji SMB_VFS_NTIMES().\n<li class=\"l\"> W smb.conf zaprzestano wsparcia dla parametru &#171;write cache size&#187;, kt\u00f3ry straci\u0142 sens po wprowadzeniu wsparcia dla io_uring.\n<li class=\"l\"> W Samba-DC i Kerberos zako\u0144czono wsparcie dla szyfrowania z u\u017cyciem algorytmu DES. W Heimdal-DC usuni\u0119to kod weak-crypto.\n<li class=\"l\"> Usuni\u0119to modu\u0142 vfs_netatalk, kt\u00f3ry pozosta\u0142 bez wsparcia i straci\u0142 aktualno\u015b\u0107.\n<li class=\"l\"> Og\u0142oszono przestarza\u0142ym backend BIND9_FLATFILE, kt\u00f3ry zostanie usuni\u0119ty w jednej z kolejnych wersji.\n<li class=\"l\"> Biblioteka zlib zosta\u0142a dodana do zale\u017cno\u015bci budowlanych. Wbudowana implementacja zlib zosta\u0142a usuni\u0119ta z bazy kodu (kod oparty by\u0142 na starej wersji zlib, w kt\u00f3rej poprawna obs\u0142uga szyfrowania nie dzia\u0142a\u0142a).\n<li class=\"l\"> Ugruntowano testowanie fuzzingowe bazy kodu, w tym w us\u0142udze<br \/>\noss-fuzz. W trakcie test\u00f3w fuzzingowych zidentyfikowano i naprawiono wiele b\u0142\u0119d\u00f3w.<\/p>\n<li class=\"l\"> Wymagania dotycz\u0105ce minimalnej wersji Pythona zwi\u0119kszone z Pythona<br \/>\n3.4 do Python 3.5. Mo\u017cliwo\u015b\u0107 budowy serwera plik\u00f3w z Python 2 wci\u0105\u017c jest zachowana (przed uruchomieniem .&#047;configure&#8217; i &#8216;make&#8217; nale\u017cy ustawi\u0107 zmienn\u0105 \u015brodowiskow\u0105 &#8216;PYTHON=python2&#8217;).<\/p>\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <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 5.0.1.1 - 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\/pl\/blog\/news\/vypusk-samba-4-12-0\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"pl_PL\" \/>\n\t\t<meta 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