{"id":107801,"date":"2023-04-11T00:48:22","date_gmt":"2023-04-10T22:48:22","guid":{"rendered":"https:\/\/prohoster.info\/?p=107801"},"modified":"2023-04-12T10:36:33","modified_gmt":"2023-04-12T08:36:33","slug":"vypusk-openbsd-7-3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/vypusk-openbsd-7-3","title":{"rendered":"Vydanie OpenBSD 7.3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Bol predstaven\u00fd nov\u00fd vydanie slobodn\u00e9ho opera\u010dn\u00e9ho syst\u00e9mu podobn\u00e9ho UNIX-u OpenBSD 7.3. Projekt OpenBSD bol zalo\u017een\u00fd Theo de Raadtom v roku 1995 po konflikte s v\u00fdvoj\u00e1rmi NetBSD, n\u00e1sledkom ktor\u00e9ho bol Theoovi uzavret\u00fd pr\u00edstup k CVS repozit\u00e1ru NetBSD. Po tomto incidente Theo de Raadt so skupinou rovnako zm\u00fd\u0161\u013eaj\u00facich jedincov vytvoril na z\u00e1klade zdrojov\u00e9ho k\u00f3du NetBSD nov\u00fa otvoren\u00fa opera\u010dn\u00fa s\u00fastavu, ktorej hlavn\u00fdmi cie\u013emi s\u00fa prenosnos\u0165 (podporovan\u00fdch je 13 hardv\u00e9rov\u00fdch platforiem), \u0161tandardiz\u00e1cia, spr\u00e1vna funk\u010dnos\u0165, proakt\u00edvna bezpe\u010dnos\u0165 a integrovan\u00e9 kryptografick\u00e9 prostriedky. Ve\u013ekos\u0165 pln\u00e9ho in\u0161tala\u010dn\u00e9ho ISO obrazu z\u00e1kladn\u00e9ho syst\u00e9mu OpenBSD 7.3 je 620 MB.       <\/p>\n<p>Okrem samotn\u00e9ho opera\u010dn\u00e9ho syst\u00e9mu je projekt OpenBSD zn\u00e1my svojimi komponentmi, ktor\u00e9 sa roz\u0161\u00edrili do in\u00fdch syst\u00e9mov a osved\u010dili sa ako jedny z najbezpe\u010dnej\u0161\u00edch a najkvalitnej\u0161\u00edch rie\u0161en\u00ed. Medzi nimi s\u00fa: LibreSSL (fork OpenSSL), OpenSSH, paketov\u00fd filter PF, dem\u00f3ny smerovania OpenBGPD a OpenOSPFD, NTP server OpenNTPD, po\u0161tov\u00fd <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sk\/server\/\"   title=\"server\" data-wpil-keyword-link=\"linked\">server<\/a> OpenSMTPD, multiplexor textov\u00e9ho termin\u00e1lu (podobn\u011b jako GNU screen) tmux, d\u00e9mon identd s implementac\u00ed protokolu IDENT, BSDL alternativa k bal\u00ed\u010dku GNU groff \u2013 mandoc, protokol pro organizaci syst\u00e9m\u016f odoln\u00fdch proti chyb\u00e1m CARP (Common Address Redundancy Protocol), lehk\u00fd http server, n\u00e1stroj pro synchronizaci soubor\u016f OpenRSYNC.          <\/p>\n<p>Hlavn\u00e9 vylep\u0161enia:   <\/p>\n<ul>\n<li class=\"l\"> Boli implementovan\u00e9 syst\u00e9mov\u00e9 volania waitid (\u010dakanie na zmenu stavu procesu), pinsyscall (na prenos inform\u00e1ci\u00ed o vstupe execve na ochranu pred ROP exploitmi), getthrname a setthrname (z\u00edskanie a nastavenie n\u00e1zvu vl\u00e1kna).\n<li class=\"l\"> Pre v\u0161etky architekt\u00fary bol pou\u017eit\u00fd clockintr, hardv\u00e9ru nez\u00e1visl\u00fd pl\u00e1nova\u010d preru\u0161enia \u010dasova\u010da.\n<li class=\"l\"> Bol pridan\u00fd sysctl kern.autoconf_serial, ktor\u00fd m\u00f4\u017eete pou\u017ei\u0165 na sledovanie zmien stavu zariadenia vo vn\u00fatri jadra z u\u017e\u00edvate\u013esk\u00e9ho priestoru.\n<li class=\"l\"> Podpora viacprocesorov\u00fdch syst\u00e9mov (SMP) bola vylep\u0161en\u00e1. Filtre udalost\u00ed pre zariadenia tun a tap boli preveden\u00e9 na mp-safe triedu. Odblokovan\u00e9 boli funkcie select, pselect, poll, ppoll, getsockopt, setsockopt, mmap, munmap, mprotect, sched_yield, minherit a utrace, ako aj ioctl SIOCGIFCONF, SIOCGIFGMEMB, SIOCGIFGATTR a SIOCGIFGLIST. Zlep\u0161ila sa pr\u00e1ca s blok\u00e1dami v paketovom filtri pf. V\u00fdkon syst\u00e9mu a sie\u0165ov\u00e9ho z\u00e1sobn\u00edka na viacjadrov\u00fdch syst\u00e9moch bol v\u00fdrazne zv\u00fd\u0161en\u00fd.\n<li class=\"l\">  Implement\u00e1cia r\u00e1mca drm (Direct Rendering Manager) je synchronizovan\u00e1 s jadrom Linux 6.1.15 (v predch\u00e1dzaj\u00facej verzii \u2014 5.15.69). Do ovl\u00e1da\u010da amdgpu bola pridan\u00e1 podpora GPU Ryzen 7000 \u201eRaphael\u201c, Ryzen 7020 \u201eMendocino\u201c, Ryzen 7045 \u201eDragon Range\u201c, Radeon RX 7900 XT\/XTX \u201eNavi 31\u201c, Radeon RX 7600M (XT), 7700S a 7600S \u201eNavi 33\u201c. V amdgpu bola pridan\u00e1 podpora riadenia podsvietenia a zabezpe\u010den\u00e1 pr\u00e1ca s xbacklight pri pou\u017eit\u00ed ovl\u00e1da\u010da X.Org modesetting. V Mesa je predvolene zapnut\u00e9 vyrovn\u00e1vanie cache shaderov.\n<li class=\"l\"> Boli vykonan\u00e9 vylep\u0161enia v hyperv\u00edzore VMM.\n<li class=\"l\"> Realizovan\u00e9 mo\u017enosti pre dodato\u010dn\u00fa ochranu pam\u00e4te procesov v priestore pou\u017e\u00edvate\u013ea: syst\u00e9mov\u00fd volanie mimmutable a s \u0148ou s\u00favisiaca rovnomenn\u00e1 kni\u017eni\u010dn\u00e1 funkcia, ktor\u00e1 umo\u017e\u0148uje zafixova\u0165 pr\u00edstupov\u00e9 pr\u00e1va pri zobrazen\u00ed v pam\u00e4ti (memory mappings). Po zafixovan\u00ed, nastaven\u00e9 pre oblas\u0165 pam\u00e4te pr\u00e1va, ako napr\u00edklad z\u00e1kaz na z\u00e1pis a vykonanie, nie je mo\u017en\u00e9 nesk\u00f4r zmeni\u0165 prostredn\u00edctvom nasleduj\u00facich volan\u00ed funkci\u00ed mmap(), mprotect() a munmap(), ktor\u00e9 pri pokuse o zmenu vyvolaj\u00fa chybu EPERM.\n<li class=\"l\"> Na architekt\u00fare AMD64 pre syst\u00e9mov\u00e9 volania je zapnut\u00fd mechanizmus ochrany RETGUARD, zameran\u00fd na s\u0165a\u017eenie vykon\u00e1vania exploitov, postaven\u00fdch na z\u00e1klade preberania blokov k\u00f3du a met\u00f3d n\u00e1vratovo-orientovan\u00e9ho programovania.\n<li class=\"l\"> Zah\u0155\u0148a ochranu pred zneu\u017eit\u00edm zranite\u013enost\u00ed, ktor\u00e1 spo\u010d\u00edva v n\u00e1hodnej recompil\u00e1cii spustite\u013en\u00e9ho s\u00faboru sshd pri ka\u017edom spusten\u00ed syst\u00e9mu. Recompil\u00e1cia s\u0165a\u017euje predv\u00eddanie posunov funkci\u00ed v sshd, \u010do znepr\u00edjem\u0148uje vytv\u00e1ranie exploitov, ktor\u00e9 pou\u017e\u00edvaj\u00fa met\u00f3dy n\u00e1vratovo-orientovan\u00e9ho programovania.\n<li class=\"l\"> Zabezpe\u010den\u00e1 agres\u00edvnej\u0161ia randomiz\u00e1cia umiestnenia z\u00e1sobn\u00edka na 64-bitov\u00fdch syst\u00e9moch.\n<li class=\"l\"> Pridan\u00e1 ochrana pred zranite\u013enos\u0165ou Spectre-BHB v mikroarchitektonick\u00fdch \u0161trukt\u00farach procesorov.\n<li class=\"l\"> Na procesoroch ARM64 pre priestor pou\u017e\u00edvate\u013ea a jadro je pou\u017eit\u00e1 vlajka DIT (Data Independent Timing) na blokovanie \u00fatokov cez bo\u010dn\u00e9 kan\u00e1ly, manipuluj\u00facich s z\u00e1vislos\u0165ou \u010dasu vykon\u00e1vania in\u0161trukci\u00ed od \u00fadajov spracovan\u00fdch v t\u00fdchto in\u0161trukci\u00e1ch.\n<li class=\"l\"> Poskytovanie mo\u017enosti pou\u017e\u00edva\u0165 lladdr pri ur\u010dovan\u00ed sie\u0165ov\u00fdch konfigur\u00e1ci\u00ed. Napr\u00edklad, okrem viazania na meno rozhrania (hostname.fxp0) je mo\u017en\u00e9 pou\u017ei\u0165 viazanie na MAC-adresu (hostname.00:00:6e:00:34:8f).\n<li class=\"l\"> Zlep\u0161en\u00e1 podpora pre prechod do sp\u00e1nkov\u00e9ho re\u017eimu pre syst\u00e9my postaven\u00e9 na architekt\u00fare ARM64.\n<li class=\"l\"> V\u00fdrazne roz\u0161\u00edren\u00e1 podpora ARM \u010dipov Apple.\n<li class=\"l\"> Bola pridan\u00e1 podpora pre nov\u00e9 zariadenia a boli pridan\u00e9 nov\u00e9 ovl\u00e1da\u010de.\n<li class=\"l\"> V ovl\u00e1da\u010di bwfm pre bezdr\u00f4tov\u00e9 karty zalo\u017een\u00e9 na \u010dipoch Broadcom a Cypress bola implementovan\u00e1 podpora \u0161ifrovania pre WEP.\n<li class=\"l\"> V in\u0161tal\u00e1tore bola zlep\u0161en\u00e1 pr\u00e1ca so softv\u00e9rov\u00fdmi RAID a implementovan\u00e1 z\u00e1kladn\u00e1 podpora \u0161ifrovania diskov (Guided Disk Encryption).\n<li class=\"l\"> V tmux (\u201eterminal multiplexer\u201c) boli pridan\u00e9 nov\u00e9 pr\u00edkazy scroll-top a scroll-bottom pre pos\u00favanie kurzora na za\u010diatok a koniec. Aktualizovan\u00e9 s\u00fa bal\u00edky LibreSSL a OpenSSH. Podrobn\u00fd preh\u013ead vylep\u0161en\u00ed si m\u00f4\u017eete pozrie\u0165 v preh\u013eadoch LibreSSL 3.7.0, OpenSSH 9.2 a OpenSSH 9.3.\n<li class=\"l\"> Po\u010det portov pre architekt\u00faru AMD64 vzr\u00e1stol na 11764 (bolo 11451), pre aarch64 \u2014 11561 (bolo 11261), pre i386 \u2014 10572 (bolo 10225). Medzi verziami aplik\u00e1ci\u00ed v porto:\n<ul>\n<li>Asterisk 16.30.0, 18.17.0 a 20.2.0      <\/li>\n<li>Audacity 3.2.5      <\/li>\n<li>CMake 3.25.2      <\/li>\n<li>Chromium 111.0.5563.110      <\/li>\n<li>Emacs 28.2      <\/li>\n<li>FFmpeg 4.4.3      <\/li>\n<li>GCC 8.4.0 a 11.2.0      <\/li>\n<li>GHC 9.2.7      <\/li>\n<li>GNOME 43.3      <\/li>\n<li>Go 1.20.1      <\/li>\n<li>JDK 8u362, 11.0.18 a 17.0.6      <\/li>\n<li>KDE Gears 22.12.3      <\/li>\n<li>KDE Frameworks 5.103.0      <\/li>\n<li>Krita 5.1.5      <\/li>\n<li>LLVM\/Clang 13.0.0      <\/li>\n<li>LibreOffice 7.5.1.2      <\/li>\n<li>Lua 5.1.5, 5.2.4, 5.3.6 a 5.4.4      <\/li>\n<li>MariaDB 10.9.4      <\/li>\n<li>Mono 6.12.0.182      <\/li>\n<li>Mozilla Firefox 111.0 a ESR 102.9.0      <\/li>\n<li>Mozilla Thunderbird 102.9.0      <\/li>\n<li>Mutt 2.2.9 a NeoMutt 20220429      <\/li>\n<li>Node.js 18.15.0      <\/li>\n<li>OCaml 4.12.1      <\/li>\n<li>OpenLDAP 2.6.4      <\/li>\n<li>PHP 7.4.33, 8.0.28, 8.1.16 a 8.2.3      <\/li>\n<li>Postfix 3.5.17 a 3.7.3      <\/li>\n<li>PostgreSQL 15.2      <\/li>\n<li>Python 2.7.18, 3.9.16, 3.10.10 a 3.11.2      <\/li>\n<li>Qt 5.15.8 a 6.4.2      <\/li>\n<li>R 4.2.1      <\/li>\n<li>Ruby 3.0.5, 3.1.3 a 3.2.1      <\/li>\n<li>Rust 1.68.0      <\/li>\n<li>SQLite 2.8.17 a 3.41.0      <\/li>\n<li>Shotcut 22.12.21      <\/li>\n<li>Sudo 1.9.13.3      <\/li>\n<li>Suricata 6.0.10      <\/li>\n<li>Tcl\/Tk 8.5.19 a 8.6.13      <\/li>\n<li>TeX Live 2022      <\/li>\n<li>Vim 9.0.1388 a Neovim 0.8.3      <\/li>\n<li>Xfce 4.18  <\/ul>\n<li class=\"l\"> Aktualizovan\u00e9 komponenty od tret\u00edch str\u00e1n, ktor\u00e9 s\u00fa s\u00fa\u010das\u0165ou OpenBSD 7.3:\n<ul>\n<li class=\"l\"> Grafick\u00fd stack Xenocara zalo\u017een\u00fd na X.Org 7.7 s xserver 1.21.6 + opravy, freetype 2.12.1, fontconfig 2.14, Mesa 22.3.4, xterm 378, xkeyboard-config 2.20, fonttosfnt 1.2.2.  <\/li>\n<li class=\"l\">    LLVM\/Clang 13.0.0 (+ opravy)  <\/li>\n<li class=\"l\">    GCC 4.2.1 (+ opravy) a 3.3.6 (+ opravy)  <\/li>\n<li class=\"l\">    Perl 5.36.1 (+ patche)  <\/li>\n<li class=\"l\">    NSD 4.6.1  <\/li>\n<li class=\"l\">    Unbound 1.17  <\/li>\n<li class=\"l\">    Ncurses 5.7  <\/li>\n<li class=\"l\">    Binutils 2.17 (+ z\u00e1platy)  <\/li>\n<li class=\"l\">  Gdb 6.3 (+ oprava)  <\/li>\n<li class=\"l\">  Awk 12.9.2022  <\/li>\n<li class=\"l\">  Expat 2.5.0.  <\/li>\n<\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=58944\">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 \u0432\u044b\u043f\u0443\u0441\u043a \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0439 UNIX-\u043f\u043e\u0434\u043e\u0431\u043d\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b OpenBSD 7.3. \u041f\u0440\u043e\u0435\u043a\u0442 OpenBSD \u0431\u044b\u043b \u043e\u0441\u043d\u043e\u0432\u0430\u043d \u0422\u044d\u043e \u0434\u0435 \u0420\u0430\u0430\u0434\u0442\u043e\u043c (Theo de Raadt) \u0432 1995 \u0433\u043e\u0434\u0443 \u043f\u043e\u0441\u043b\u0435 \u043a\u043e\u043d\u0444\u043b\u0438\u043a\u0442\u0430 \u0441 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430\u043c\u0438 NetBSD, \u0432 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0435 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0434\u043b\u044f \u0422\u044d\u043e \u0431\u044b\u043b \u0437\u0430\u043a\u0440\u044b\u0442 \u0434\u043e\u0441\u0442\u0443\u043f \u043a CVS \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u044e NetBSD. \u041f\u043e\u0441\u043b\u0435 \u044d\u0442\u043e\u0433\u043e \u0422\u044d\u043e \u0434\u0435 \u0420\u0430\u0430\u0434\u0442 \u0441 \u0433\u0440\u0443\u043f\u043f\u043e\u0439 \u0435\u0434\u0438\u043d\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u043e\u0432 \u0441\u043e\u0437\u0434\u0430\u043b \u043d\u0430 \u0431\u0430\u0437\u0435 \u0434\u0435\u0440\u0435\u0432\u0430 \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u0445 \u0442\u0435\u043a\u0441\u0442\u043e\u0432 NetBSD \u043d\u043e\u0432\u0443\u044e \u043e\u0442\u043a\u0440\u044b\u0442\u0443\u044e [&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-107801","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 \u0432\u044b\u043f\u0443\u0441\u043a 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