{"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\/sv\/blog\/news\/wifibox-0-10-okruzhenie-dlya-ispolzovaniya-wifi-drajverov-linux-vo-freebsd","title":{"rendered":"Wifibox 0.10 \u2014 en milj\u00f6 f\u00f6r anv\u00e4ndning av WiFi-drivrutiner f\u00f6r Linux i FreeBSD","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Wifibox 0.10-projektets version \u00e4r tillg\u00e4nglig och syftar till att l\u00f6sa problemet med anv\u00e4ndning av tr\u00e5dl\u00f6sa adaptrar i FreeBSD, f\u00f6r vilka n\u00f6dv\u00e4ndiga drivrutiner saknas. Problematiska adapters f\u00f6r FreeBSD fungerar genom att k\u00f6ra ett g\u00e4stsystem i Linux, d\u00e4r de inbyggda Linux-drivrutinerna f\u00f6r tr\u00e5dl\u00f6sa enheter laddas. <\/p>\n

Installationen av g\u00e4stsystemet med drivrutiner \u00e4r automatiserad och alla n\u00f6dv\u00e4ndiga komponenter kommer i form av ett f\u00e4rdigt wifibox-paket som startas vid uppstart med hj\u00e4lp av den medf\u00f6ljande rc-tj\u00e4nsten. \u00c4ven s\u00f6mnl\u00e4ge hanteras korrekt. Milj\u00f6n kan potentiellt anv\u00e4ndas f\u00f6r alla WiFi-kort som st\u00f6ds av Linux, men har fr\u00e4mst testats med Intel-chip. Den korrekta funktionen har ocks\u00e5 verifierats p\u00e5 system med Qualcomm Atheros och AMD RZ608 (MediaTek MT7921K) tr\u00e5dl\u00f6sa chip. <\/p>\n

G\u00e4stsystemet startas med hypervisorn Bhyve, d\u00e4r \u00e5tkomst till det tr\u00e5dl\u00f6sa kortet m\u00f6jligg\u00f6rs. F\u00f6r att fungera kr\u00e4vs ett system med st\u00f6d f\u00f6r h\u00e5rdvaruvirtualisering (AMD-Vi eller Intel VT-d). Inneh\u00e5llet i g\u00e4stsystemet \u00e4r baserat p\u00e5 Alpine Linux-distributionen, byggd p\u00e5 Musl systembibliotek och BusyBox-verktyg. Bildens storlek p\u00e5 disk \u00e4r cirka 30 MB och den anv\u00e4nder omkring 90 MB RAM. <\/p>\n

F\u00f6r att ansluta till ett tr\u00e5dl\u00f6st n\u00e4tverk anv\u00e4nds paketet wpa_supplicant, vars konfigurationsfiler synkroniseras med inst\u00e4llningarna fr\u00e5n det huvudmilj\u00f6 i FreeBSD. Den Unix-socket som wpa_supplicant skapar vidarebefordras till v\u00e4rdmilj\u00f6n, vilket g\u00f6r det m\u00f6jligt att anv\u00e4nda de inbyggda FreeBSD-verktygen f\u00f6r att ansluta och arbeta med det tr\u00e5dl\u00f6sa n\u00e4tverket, inklusive anv\u00e4ndning av wpa_cli och wpa_gui (net\/wpa_supplicant_gui). <\/p>\n

I den nya versionen har mekanismen f\u00f6r att vidarebefordra WPA till huvudmilj\u00f6n omarbetats, vilket m\u00f6jliggjorde funktion med b\u00e5de wpa_supplicant och hostapd. Den n\u00f6dv\u00e4ndiga minnesm\u00e4ngden f\u00f6r g\u00e4stsystemet har minskats. St\u00f6det f\u00f6r FreeBSD 13.0-RELEASE har upph\u00f6rt. <\/p>\n

Dessutom kan arbete med att f\u00f6rb\u00e4ttra de drivrutiner som erbjuds i FreeBSD f\u00f6r tr\u00e5dl\u00f6sa kort baserade p\u00e5 Intel- och Realtek-chips n\u00e4mnas. Med st\u00f6d fr\u00e5n FreeBSD Foundation forts\u00e4tter utvecklingen av den nya drivrutinen iwlwifi, som ing\u00e5r i FreeBSD 13.1. Drivrutinen \u00e4r baserad p\u00e5 Linux-drivrutinen och kod fr\u00e5n Linux-underenheten net80211, st\u00f6djer standarden 802.11ac och kan anv\u00e4ndas med nya tr\u00e5dl\u00f6sa Intel-chips. Drivrutinen laddas automatiskt vid uppstart n\u00e4r en kompatibel tr\u00e5dl\u00f6s kort uppt\u00e4ckts. Funktionen hos komponenterna i Linux tr\u00e5dl\u00f6sa stack s\u00e4kerst\u00e4lls genom LinuxKPI-lagret. Tidigare har en liknande drivrutin, iwm, portats till FreeBSD. <\/p>\n

Parallellt b\u00f6rjade utvecklingen av drivrutinerna rtw88 och rtw89 f\u00f6r de tr\u00e5dl\u00f6sa chipsen Realtek RTW88 och RTW89, som ocks\u00e5 utvecklas genom att \u00f6verf\u00f6ra motsvarande drivrutiner fr\u00e5n Linux och fungerar genom LinuxKPI-lagret. Drivrutinen rtw88 \u00e4r redan f\u00e4rdig f\u00f6r initial testning, medan drivrutinen rtw89 fortfarande \u00e4r under utveckling. <\/p>\n

Dessutom kan publiceringen av detaljer och en f\u00e4rdig exploitering relaterad till s\u00e4kerhetsbristen (CVE-2022-23088) i den tr\u00e5dl\u00f6sa stacken i FreeBSD n\u00e4mnas, som \u00e5tg\u00e4rdades i apriluppdateringen. S\u00e4kerhetsbristen m\u00f6jligg\u00f6r exekvering av egen kod p\u00e5 k\u00e4rnniv\u00e5 genom att skicka ett speciellt format som paket vid n\u00e4tverksskanning (under SSID-bindningsfasen). Problemet orsakas av en buffert\u00f6verskridning i funktionen ieee80211_parse_beacon() n\u00e4r beacons som s\u00e4nds av \u00e5tkomstpunkten analyseras. \u00d6verskridningen m\u00f6jliggjordes av att den faktiska datastorleken inte matchade den storlek som angavs i headerf\u00e4ltet. Problemet f\u00f6rekommer i versioner av FreeBSD som skapades sedan 2009.

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

Bland de senaste f\u00f6r\u00e4ndringarna i FreeBSD som inte \u00e4r relaterade till den tr\u00e5dl\u00f6sa stacken: optimering av uppstartstiden, som p\u00e5 en testmaskin har minskat fr\u00e5n 10 till 8 sekunder; GEOM-modulen gunion har genomf\u00f6rts f\u00f6r att f\u00f6ra f\u00f6r\u00e4ndringar som g\u00f6rs p\u00e5 en disk i skrivskyddat l\u00e4ge till en annan disk; kryptografiska primitiva XChaCha20-Poly1305 AEAD och curve25519 har f\u00f6rberedts f\u00f6r k\u00e4rnans crypto API, n\u00f6dv\u00e4ndiga f\u00f6r drivrutinen. VPN<\/a> WireGuard.
\n
K\u00e4lla: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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Wifibox-projektet \u00e4r tillg\u00e4nglig, som syftar till att l\u00f6sa problemet med anv\u00e4ndning av tr\u00e5dl\u00f6sa adaptrar i FreeBSD f\u00f6r vilka n\u00f6dv\u00e4ndiga drivrutiner saknas.","canonical_url":"https:\/\/prohoster.info\/sv\/blog\/news\/wifibox-0-10-okruzhenie-dlya-ispolzovaniya-wifi-drajverov-linux-vo-freebsd","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sv_SE","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47Wifibox 0.10 \u2014 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0435 \u0434\u043b\u044f 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