{"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\/et\/blog\/news\/wifibox-0-10-okruzhenie-dlya-ispolzovaniya-wifi-drajverov-linux-vo-freebsd","title":{"rendered":"Wifibox 0.10 \u2014 keskkond Linuxi WiFi-draiverite kasutamiseks FreeBSD-s.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Wifibox 0.10 versioon on saadaval, mis on loodud probleemide lahendamiseks FreeBSD-s t\u00e4iustatud juhtmete jaoks, mille jaoks puuduvad vajalikud draiverid. Probleemsete FreeBSD adapterite t\u00f6\u00f6 tagatakse Linuxi k\u00fclgprotsessi k\u00e4ivitamise kaudu, kus laaditakse Linuxi kohalikud juhtmevabade seadmete draiverid. <\/p>\n

K\u00fclgprotsessi paigaldamine koos draiveritega on automatiseeritud ning k\u00f5ik vajalikud komponendid on koondatud valmis wifibox paketiks, mis k\u00e4ivitatakse k\u00e4ivitamisel tarnitud rc-teenuse abil. Samuti k\u00e4sitletakse korralikult unere\u017eiimi \u00fcleminekut. Keskkond v\u00f5ib potentsiaalselt t\u00f6\u00f6tada mis tahes Linuxi toetatud WiFi kaartidega, kuid on peamiselt testitud Intel'i kiipidega. Samuti on testitud \u00f5iget toimimist Qualcomm Atheros ja AMD RZ608 (MediaTek MT7921K) juhtmete s\u00fcsteemides. <\/p>\n

K\u00fclgprotsess k\u00e4ivitatakse Bhyve h\u00fcpervisaatori abil, kus korraldatakse juurdep\u00e4\u00e4su \u00fclekandmine juhtmevabale kaardile. T\u00f6\u00f6ks on vajalik s\u00fcsteem, mis toetab riistvara virtualiseerimist (AMD-Vi v\u00f5i Intel VT-d). K\u00fclgprotsessi p\u00f5hineb Alpine Linuxi jaotusel, mis on \u00fcles ehitatud Musl s\u00fcsteembiblioteegi ja BusyBox utiliitide komplekti p\u00f5hjal. Pildi suurus ketas on umbes 30MB ja see n\u00f5uab umbes 90MB RAM-i. <\/p>\n

Juhtmevaba v\u00f5rku \u00fchendamiseks kasutatakse wpa_supplicant paketti, mille konfiguratsiooni failid s\u00fcnkroniseeritakse FreeBSD p\u00f5hikeskkonna seadistustega. Loodud wpa_supplicant'i juurdep\u00e4\u00e4s Unix'i soketis edastatakse hostkeskkonda, mis v\u00f5imaldab kasutada FreeBSD tavap\u00e4raseid utiliite juhtmev\u00f5rgu \u00fchendamiseks ja t\u00f6\u00f6ks, sealhulgas wpa_cli ja wpa_gui (net\/wpa_supplicant_gui) utiliitide kasutamine. <\/p>\n

Uues v\u00e4ljaandes on \u00fcmber kujundatud WPA edastamise mehhanism p\u00f5hikeskkonda, mis v\u00f5imaldab t\u00f6\u00f6tada nii wpa_supplicant'i kui ka hostapdiga. K\u00fclgprotsessi jaoks vajalik m\u00e4lu maht on v\u00e4iksem. FreeBSD 13.0-RELEASE-i tugi on l\u00f5petatud. <\/p>\n

Lisaks tasub mainida FreeBSD jaoks pakutud juhtmete draiverite parandust Intel'i ja Realtek'i kiipide jaoks. FreeBSD Foundation'i toetusel j\u00e4tkub uue draiveri iwlwifi arendamine, mis on kaasatud FreeBSD 13.1-sse. Draiver p\u00f5hineb Linuxi draiveril ja Linuxi net80211 alams\u00fcsteemi koodil, toetab 802.11ac standardit ja saab kasutada uute Intel'i juhtmevabade kiipidega. Draiver laaditakse automaatselt k\u00e4ivitamisel, kui vajalik juhtmevaba kaart tuvastatakse. Linuxi juhtmevaba stack'i koostisosade t\u00f6\u00f6 tagatakse LinuxKPI vahekihiga. Varem portiti FreeBSD jaoks analoogiliselt draiver iwm. <\/p>\n

Samas on alanud rtw88 ja rtw89 draiverite arendus Realtek RTW88 ja RTW89 juhtmete kiipide jaoks, mis t\u00f6\u00f6tavad samuti vastava Linuxi draiveri \u00fcleviimise kaudu ning t\u00f6\u00f6tavad LinuxKPI vahekihiga. Draiver rtw88 on juba valminud esimeseks testimiseks, samas kui draiver rtw89 on endiselt arendusj\u00e4rgus. <\/p>\n

Samuti tasub mainida FreeBSD juhtmevaba stack'iga seotud haavatavuse (CVE-2022-23088) \u00fcksikasju ja valmisseisundit, mis likvideeriti aprillikuu uuenduses. Haavatavus v\u00f5imaldab k\u00e4ivitada oma koodi kernelitasemel, saates spetsiaalselt koostatud kaadri, kui klient on v\u00f5rgu skaneerimisre\u017eiimis (SSID-i seondumise etapis). Probleem tuleneb puhver\u00fcleviimis funktsioonis ieee80211_parse_beacon() kafka-kaadrite t\u00f5lgendamisel, mida edastab juurdep\u00e4\u00e4supunkt. \u00dcleviimine sai v\u00f5imalikuks, kuna ei kontrollitud vastavust tegeliku andme suuruse ja pealkirja v\u00e4ljale m\u00e4rgitud suuruse vahel. Probleem avaldub FreeBSD versioonides, mis on loodud alates 2009. aastast.

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

V\u00e4rskeid muutusi FreeBSD-s, mis ei ole seotud juhtmevaba stack'iga, optimeeriti k\u00e4ivitusaega, mis testimisseadmes v\u00e4henes 10-lt 8 sekundile; GEOM mooduli gunion rakendamine, mis edastab teised muudatused teisele kettale, mis viidi sisse ainult lugemisre\u017eiimis; kr\u00fcpto API jaoks ette valmistatud kr\u00fcptograafilised primitiivid XChaCha20-Poly1305 AEAD ja curve25519, mis on vajalikud draiveri jaoks. VPN<\/a> WireGuard.
\n
Allikas: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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\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\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 keskkond Linuxi WiFi-draiverite kasutamiseks FreeBSD-s | ProHoster","description":"V\u00e4lja on Wifibox 0.10, mis on 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