{"id":104514,"date":"2022-06-27T15:36:43","date_gmt":"2022-06-27T13:36:43","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/wifibox-0-10-okruzhenie-dlya-ispolzovaniya-wifi-drajverov-linux-vo-freebsd"},"modified":"2022-06-27T15:36:43","modified_gmt":"2022-06-27T13:36:43","slug":"wifibox-0-10-okruzhenie-dlya-ispolzovaniya-wifi-drajverov-linux-vo-freebsd","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/wifibox-0-10-okruzhenie-dlya-ispolzovaniya-wifi-drajverov-linux-vo-freebsd","title":{"rendered":"Wifibox 0.10 \u2014 prostredie pre pou\u017e\u00edvanie WiFi ovl\u00e1da\u010dov Linuxu vo FreeBSD.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

K dispoz\u00edcii je verzia projektu Wifibox 0.10, zameran\u00e1 na rie\u0161enie probl\u00e9mu pou\u017e\u00edvania bezdr\u00f4tov\u00fdch adapt\u00e9rov v FreeBSD, pre ktor\u00e9 ch\u00fdbaj\u00fa potrebn\u00e9 ovl\u00e1da\u010de. Funk\u010dnos\u0165 problematick\u00fdch adapt\u00e9rov pre FreeBSD je zabezpe\u010den\u00e1 spusten\u00edm hostite\u013esk\u00e9ho syst\u00e9mu s Linuxom, v ktorom s\u00fa na\u010d\u00edtan\u00e9 ovl\u00e1da\u010de bezdr\u00f4tov\u00fdch zariaden\u00ed nat\u00edvne pre Linux. <\/p>\n

In\u0161tal\u00e1cia hostite\u013esk\u00e9ho syst\u00e9mu s ovl\u00e1da\u010dmi je automatizovan\u00e1, a v\u0161etky potrebn\u00e9 komponenty s\u00fa spracovan\u00e9 ako hotov\u00fd bal\u00edk wifibox, ktor\u00fd sa sp\u00fa\u0161\u0165a pri \u0161tarte pomocou dodan\u00e9ho rc-slu\u017eby. Spr\u00e1vne sa spracov\u00e1va aj prechod do re\u017eimu sp\u00e1nku. Prostredie m\u00f4\u017ee by\u0165 potenci\u00e1lne pou\u017eit\u00e9 pre v\u0161etky WiFi karty podporovan\u00e9 v Linuxe, ale testovalo sa predov\u0161etk\u00fdm na \u010dipoch Intel. Tie\u017e sa overila spr\u00e1vna funk\u010dnos\u0165 na syst\u00e9moch s bezdr\u00f4tov\u00fdmi \u010dipmi Qualcomm Atheros a AMD RZ608 (MediaTek MT7921K). <\/p>\n

Hostite\u013esk\u00fd syst\u00e9m je spusten\u00fd pomocou hyperv\u00edzora Bhyve, v ktorom je zriaden\u00fd prenos pr\u00edstupu k bezdr\u00f4tovej karte. Pre funk\u010dnos\u0165 je potrebn\u00fd syst\u00e9m s podporou hardv\u00e9rovej virtualiz\u00e1cie (AMD-Vi alebo Intel VT-d). Obsah hostite\u013esk\u00e9ho syst\u00e9mu je zalo\u017een\u00fd na distrib\u00facii Alpine Linux, postavenej na syst\u00e9movej kni\u017enici Musl a s\u00fabore util\u00edt BusyBox. Ve\u013ekos\u0165 obrazu zaber\u00e1 na disku pribli\u017ene 30MB a spotrebov\u00e1va okolo 90MB opera\u010dnej pam\u00e4te. <\/p>\n

Na pripojenie k bezdr\u00f4tovej sieti sa pou\u017e\u00edva bal\u00edk wpa_supplicant, ktor\u00e9ho konfigura\u010dn\u00e9 s\u00fabory s\u00fa synchronizovan\u00e9 s nastaveniami z hlavn\u00e9ho prostredia FreeBSD. Vytvoren\u00fd riadiaci Unix socket wpa_supplicant sa pren\u00e1\u0161a do hostite\u013esk\u00e9ho prostredia, \u010do umo\u017e\u0148uje pou\u017e\u00edvanie \u0161tandardn\u00fdch util\u00edt FreeBSD na pripojenie a pr\u00e1cu s bezdr\u00f4tovou sie\u0165ou, medzi in\u00fdmi je mo\u017en\u00e9 pou\u017ei\u0165 utility wpa_cli a wpa_gui (net\/wpa_supplicant_gui). <\/p>\n

V novej verzii bol prepracovan\u00fd mechanizmus prenosu WPA do hlavn\u00e9ho prostredia, \u010do umo\u017enilo zabezpe\u010di\u0165 funk\u010dnos\u0165 ako s wpa_supplicant, tak aj s hostapd. Bol zn\u00ed\u017een\u00fd potrebn\u00fd objem pam\u00e4te pre hostite\u013esk\u00fd syst\u00e9m. Podpora FreeBSD 13.0-RELEASE bola zastaven\u00e1. <\/p>\n

Napriek tomu sa d\u00e1 zd\u00f4razni\u0165 pr\u00e1ca na zlep\u0161en\u00ed pon\u00fakan\u00fdch ovl\u00e1da\u010dov pre bezdr\u00f4tov\u00e9 karty na \u010dipoch Intel a Realtek vo FreeBSD. S podporou organiz\u00e1cie FreeBSD Foundation pokra\u010duje v\u00fdvoj nov\u00e9ho ovl\u00e1da\u010da iwlwifi, ktor\u00fd je zahrnut\u00fd vo FreeBSD 13.1. Ovl\u00e1da\u010d je zalo\u017een\u00fd na Linux ovl\u00e1da\u010di a k\u00f3de z Linux pod syst\u00e9mu net80211, podporuje \u0161tandard 802.11ac a m\u00f4\u017ee by\u0165 pou\u017eit\u00fd s nov\u00fdmi bezdr\u00f4tov\u00fdmi \u010dipmi Intel. Ovl\u00e1da\u010d sa automaticky na\u010d\u00edta po\u010das sp\u00fa\u0161\u0165ania po zisten\u00ed potrebn\u00e9ho bezdr\u00f4tov\u00e9ho karty. Pr\u00e1ca komponentov bezdr\u00f4tov\u00e9ho stacku Linux je zabezpe\u010den\u00e1 pomocou vrstvy LinuxKPI. Podobn\u00fdm sp\u00f4sobom bol predt\u00fdm pre FreeBSD prenosn\u00fd ovl\u00e1da\u010d iwm. <\/p>\n

Paralela sa za\u010dala v\u00fdvoj ovl\u00e1da\u010dov rtw88 a rtw89 pre bezdr\u00f4tov\u00e9 \u010dipy Realtek RTW88 a RTW89, ktor\u00e9 sa vyv\u00edjaj\u00fa prenesen\u00edm pr\u00edslu\u0161n\u00fdch ovl\u00e1da\u010dov z Linuxu a pracuj\u00fa pomocou vrstvy LinuxKPI. Ovl\u00e1da\u010d rtw88 je u\u017e pripraven\u00fd na po\u010diato\u010dn\u00e9 testovanie, zatia\u013e \u010do ovl\u00e1da\u010d rtw89 je st\u00e1le vo v\u00fdvoji. <\/p>\n

Okrem toho sa d\u00e1 spomen\u00fa\u0165 publikovanie podrobnost\u00ed a hotov\u00e9ho exploit, s\u00favisiacich s zranite\u013enos\u0165ou (CVE-2022-23088) v bezdr\u00f4tovom stacku FreeBSD, ktor\u00fd bol odstr\u00e1nen\u00fd v apr\u00edlovom aktualizovan\u00ed. Zranite\u013enos\u0165 umo\u017e\u0148uje vykonanie vlastn\u00e9ho k\u00f3du na \u00farovni jadra prostredn\u00edctvom odoslania \u0161peci\u00e1lne navrhnut\u00e9ho r\u00e1mca v \u010dase, ke\u010f je klient v re\u017eime skenovania siete (v \u0161t\u00e1diu pred pripojen\u00edm SSID). Probl\u00e9m bol sp\u00f4soben\u00fd prete\u010den\u00edm pam\u00e4te v funkcii ieee80211_parse_beacon() pri anal\u00fdze beacon r\u00e1mcov odosielan\u00fdch pr\u00edstupov\u00fdm bodom. Prete\u010denie sa stalo mo\u017en\u00fdm z d\u00f4vodu absencie overenia s\u00faladu skuto\u010dnej ve\u013ekosti d\u00e1t a ve\u013ekosti uvedenej v poli hlavi\u010dky. Probl\u00e9m sa prejavuje vo verzi\u00e1ch FreeBSD vytvoren\u00fdch od roku 2009.

\"Wifibox<\/center> <\/p>\n

Medzi ned\u00e1vnymi zmenami vo FreeBSD, ktor\u00e9 nie s\u00fa spojen\u00e9 s bezdr\u00f4tov\u00fdm stackom: bola optimalizovan\u00e1 doba sp\u00fa\u0161\u0165ania, ktor\u00e1 bola na testovacom syst\u00e9me skr\u00e1ten\u00e1 z 10 na 8 sek\u00fand; bol implementovan\u00fd modul GEOM gunion na presun zmien, ktor\u00e9 sa vykon\u00e1vaj\u00fa nad diskom, na in\u00fd disk, ktor\u00fd je dostupn\u00fd v re\u017eime len na \u010d\u00edtanie; pre crypto API jadra boli pripraven\u00e9 kryptografick\u00e9 primit\u00edva XChaCha20-Poly1305 AEAD a curve25519, potrebn\u00e9 pre ovl\u00e1da\u010d. VPN<\/a> WireGuard.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Wifibox 0.10, \u043d\u0430\u0446\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u043d\u0430 \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0432\u043e FreeBSD \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u044b\u0445 \u0430\u0434\u0430\u043f\u0442\u0435\u0440\u043e\u0432, \u0434\u043b\u044f \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u044e\u0442 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u044b\u0435 \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u044b. \u0420\u0430\u0431\u043e\u0442\u0430 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u043d\u044b\u0445 \u0434\u043b\u044f FreeBSD \u0430\u0434\u0430\u043f\u0442\u0435\u0440\u043e\u0432 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0447\u0435\u0440\u0435\u0437 \u0437\u0430\u043f\u0443\u0441\u043a \u0433\u043e\u0441\u0442\u0435\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0441 Linux, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0437\u0430\u0433\u0440\u0443\u0436\u0430\u044e\u0442\u0441\u044f \u0440\u043e\u0434\u043d\u044b\u0435 \u0434\u043b\u044f Linux \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u044b \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432. \u0423\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430 \u0433\u043e\u0441\u0442\u0435\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0441 \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430\u043c\u0438 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u0430, \u0430 \u0432\u0441\u0435 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u044b\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u044b \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u044b \u0432 \u0432\u0438\u0434\u0435 \u0433\u043e\u0442\u043e\u0432\u043e\u0433\u043e […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":104515,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-104514","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Wifibox 0.10 \u2014 prostredie na pou\u017eitie WiFi ovl\u00e1da\u010dov Linux vo FreeBSD | ProHoster","description":"K dispoz\u00edcii 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