{"id":37277,"date":"2019-10-31T22:16:45","date_gmt":"2019-10-31T19:16:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/opendrop-otkrytaya-realizatsii-tehnologii-apple-airdrop\/"},"modified":"2019-10-31T22:16:45","modified_gmt":"2019-10-31T19:16:45","slug":"opendrop-otkrytaya-realizatsii-tehnologii-apple-airdrop","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/opendrop-otkrytaya-realizatsii-tehnologii-apple-airdrop","title":{"rendered":"OpenDrop \u2014 otev\u0159en\u00e1 implementace technologie Apple AirDrop","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Projekt Otev\u0159en\u00e9 bezdr\u00e1tov\u00e9 propojen\u00ed<\/a><\/noindex>, analyzuj\u00edc\u00ed propriet\u00e1rn\u00ed bezdr\u00e1tov\u00e9 protokoly spole\u010dnosti Apple, p\u0159edstavil<\/a><\/noindex> na konferenci USENIX 2019 prezentace<\/a><\/noindex> s anal\u00fdzou zranitelnost\u00ed v bezdr\u00e1tov\u00fdch protokolech Apple (byly nalezeny mo\u017enosti prov\u00e1d\u011bn\u00ed \u00fatok\u016f typu MiTM k modifikaci soubor\u016f p\u0159en\u00e1\u0161en\u00fdch mezi za\u0159\u00edzen\u00edmi, \u00fatoky typu DoS k blokov\u00e1n\u00ed interakce za\u0159\u00edzen\u00ed a vyvol\u00e1n\u00ed jejich zablokov\u00e1n\u00ed, stejn\u011b jako pou\u017eit\u00ed AirDrop k identifikaci a sledov\u00e1n\u00ed u\u017eivatel\u016f). V pr\u016fb\u011bhu v\u00fdzkumu byly p\u0159ipraveny otev\u0159en\u00e9 implementace protokolu AWDL (Apple Wireless Direct Link) a technologie AirDrop<\/a><\/noindex>, detaily o kter\u00fdch byly z\u00edsk\u00e1ny v d\u016fsledku reverzn\u00edho in\u017een\u00fdrstv\u00ed.<\/p>\n

Implementace AWDL je naps\u00e1na v jazyce C a byla zve\u0159ejn\u011bna jako Linuxov\u00e1 aplikace owl<\/a><\/noindex> (Otev\u0159en\u00e9 bezdr\u00e1tov\u00e9 propojen\u00ed), kter\u00e1 pou\u017e\u00edv\u00e1 API Netlink k prov\u00e1d\u011bn\u00ed Wi-Fi specifick\u00fdch operac\u00ed, jako je p\u0159ep\u00edn\u00e1n\u00ed kan\u00e1l\u016f. Integrace se s\u00edt\u00ed prob\u00edh\u00e1 prost\u0159ednictv\u00edm virtu\u00e1ln\u00ed s\u00ed\u0165ov\u00e9 rozhran\u00ed, kter\u00e9 umo\u017e\u0148uje aplikac\u00edm s podporou IPv6 pou\u017e\u00edvat protokol AWDL bez jak\u00fdchkoliv zm\u011bn v k\u00f3du. Pr\u00e1ce je mo\u017en\u00e1 na s\u00ed\u0165ov\u00fdch kart\u00e1ch s podporou re\u017eimu aktivn\u00edho monitorov\u00e1n\u00ed, co\u017e umo\u017e\u0148uje substituci r\u00e1mc\u016f (nap\u0159\u00edklad je podporov\u00e1no v Atheros AR9280).<\/p>\n

Protokol AWDL je z\u00e1kladem bezdr\u00e1tov\u00fdch technologi\u00ed Apple, kter\u00e9 se pou\u017e\u00edvaj\u00ed k p\u0159\u00edm\u00e9 interakci za\u0159\u00edzen\u00ed bez p\u0159edchoz\u00edho nastaven\u00ed a p\u00e1rov\u00e1n\u00ed. Na z\u00e1klad\u011b AWDL tak\u00e9 funguje slu\u017eba AirDrop, kter\u00e1 umo\u017e\u0148uje v\u00fdm\u011bnu soubor\u016f prost\u0159ednictv\u00edm Wi-Fi a Bluetooth. P\u0159ipraven\u00e9 komponenty AirDrop, kter\u00e9 vytvo\u0159ili v\u00fdzkumn\u00edci, jsou naps\u00e1ny v jazyce Python a jsou dostupn\u00e9 v r\u00e1mci projektu OpenDrop<\/a><\/noindex>. K\u00f3d owl a OpenDrop je zve\u0159ejn\u011bn pod licenc\u00ed GPLv3.<\/p>\n

OpenDrop poskytuje rozhran\u00ed p\u0159\u00edkazov\u00e9ho \u0159\u00e1dku, kter\u00e9 umo\u017e\u0148uje v\u00fdm\u011bnu soubor\u016f mezi za\u0159\u00edzen\u00edmi p\u0159es Wi-Fi. Na \u00farovni protokolu je implementace pln\u011b kompatibiln\u00ed se za\u0159\u00edzen\u00edmi Apple, co\u017e umo\u017e\u0148uje zprost\u0159edkovat interakce syst\u00e9m\u016f zalo\u017een\u00fdch na Linuxu s za\u0159\u00edzen\u00edmi na iOS a macOS. Odes\u00edl\u00e1n\u00ed soubor\u016f je povoleno pouze na za\u0159\u00edzen\u00ed Apple, kter\u00e1 jsou nastavena na neomezen\u00e9 ur\u010dov\u00e1n\u00ed ostatn\u00edmi u\u017eivateli, proto\u017ee selektivn\u00ed ur\u010den\u00ed za\u0159\u00edzen\u00ed a odes\u00edl\u00e1n\u00ed prost\u0159ednictv\u00edm adres\u00e1\u0159e vy\u017eaduje certifikaci digit\u00e1ln\u00edm podpisem Apple. <\/p>\n

<\/a><\/noindex><\/p>\n

Zdroj: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041f\u0440\u043e\u0435\u043a\u0442 Open Wireless Link, \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u0440\u0430\u0437\u0431\u043e\u0440\u043e\u043c \u043f\u0440\u043e\u043f\u0440\u0438\u0435\u0442\u0430\u0440\u043d\u044b\u0445 \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u044b\u0445 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Apple, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b \u043d\u0430 \u043a\u043e\u043d\u0444\u0435\u0440\u0435\u043d\u0446\u0438\u0438 USENIX 2019 \u0434\u043e\u043a\u043b\u0430\u0434 \u0441 \u0430\u043d\u0430\u043b\u0438\u0437\u043e\u043c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0432 \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u044b\u0445 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430\u0445 Apple (\u043d\u0430\u0439\u0434\u0435\u043d\u044b \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u044f MiTM-\u0430\u0442\u0430\u043a\u0438 \u0434\u043b\u044f \u043c\u043e\u0434\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u0435\u043c\u044b\u0445 \u043c\u0435\u0436\u0434\u0443 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430\u043c\u0438 \u0444\u0430\u0439\u043b\u043e\u0432, DoS-\u0430\u0442\u0430\u043a\u0438 \u0434\u043b\u044f \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u0437\u0430\u0438\u043c\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 \u0438 \u0432\u044b\u0437\u043e\u0432\u0430 \u0437\u0430\u0432\u0438\u0441\u0430\u043d\u0438\u044f \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f AirDrop \u0434\u043b\u044f \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0438 \u043e\u0442\u0441\u043b\u0435\u0436\u0438\u0432\u0430\u043d\u0438\u044f \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439). \u0412 \u0445\u043e\u0434\u0435 \u043f\u0440\u043e\u0432\u0435\u0434\u0451\u043d\u043d\u043e\u0433\u043e […]<\/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-37277","post","type-post","status-publish","format-standard","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\udd47OpenDrop \u2014 otev\u0159en\u00e1 realizace technologie Apple 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