{"id":38891,"date":"2019-10-31T22:26:35","date_gmt":"2019-10-31T19:26:35","guid":{"rendered":"https:\/\/prohoster.info\/blog\/sovmestnoe-setevoe-ispolzovanie-kriptograficheskogo-tokena-polzovatelyami-na-baze-usbip\/"},"modified":"2019-10-31T22:26:35","modified_gmt":"2019-10-31T19:26:35","slug":"sovmestnoe-setevoe-ispolzovanie-kriptograficheskogo-tokena-polzovatelyami-na-baze-usbip","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/sovmestnoe-setevoe-ispolzovanie-kriptograficheskogo-tokena-polzovatelyami-na-baze-usbip","title":{"rendered":"USBIP-p\u00f5histe kasutajate kr\u00fcptograafiliste tokenite jagamine v\u00f5rgus.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Seoses seadusandluse muutmisega seoses usaldusteenustega (\"Elektroonilised usaldusteenused\" Ukraina), on ettev\u00f5ttes tekkinud vajadus, et mitmed osakonnad t\u00f6\u00f6taksid v\u00f5tmetega, mis on paiknenud tokenitel (hetkel on k\u00fcsimus f\u00fc\u00fcsiliste v\u00f5tmete arvu \u00fcle veel avatud).<\/p>\n<p>Kuna odavaim lahendus (tasuta) valiti kohe <noindex><a rel=\"nofollow\" href=\"http:\/\/usbip.sourceforge.net\/\">usbip<\/a><\/noindex>. Server Ubintu 18.04 k\u00e4ivitati t\u00e4nu avaldamisele <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/308860\/\">USB\/IP juhtimine<\/a><\/noindex> ja see toimis edukalt mitmete v\u00e4listallenditega (tokenite puudumise t\u00f5ttu). Erilisi probleeme, v\u00e4lja arvatud monopoolne omamine (kasutajale reserveerimine), sel hetkel ei esinenud. On selge, et mitme kasutaja (v\u00e4hemalt kahe, alguses) juurdep\u00e4\u00e4su korraldamiseks on vajalik nende ajaliselt eraldamine ja j\u00e4rjestikku t\u00f6\u00f6le panemine.<\/p>\n<p>K\u00fcsimus tekkis: Kuidas k\u00f5ige v\u00e4hem vaeva n\u00e4hes saavutada, et k\u00f5igil oleks k\u00f5ik toimiv\u2026<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h1>Esimene variant<\/h1>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"USBIP-p\u00f5histe kasutajate kr\u00fcptograafiliste tokenite jagamine v\u00f5rgus.\" src=\"\/wp-content\/uploads\/2019\/10\/29d7bf73fe35d202406eba06cc63543b.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<b>. Mitmed otseteed bat-failidele, nimelt<\/b>. Mitmed otseteed bat-failidele, nimelt<br \/>\na) Juurdep\u00e4\u00e4su v\u00f5tme \u00fchendamine.<br \/>\nb) Teadlik v\u00e4ljal\u00fclitamine. <\/p>\n<p>\u041f\u0443\u043d\u043a\u0442 &#171;<b>b<\/b>&#187; \u0441\u043f\u043e\u0440\u043d\u044b\u0439, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u0431\u044b\u043b\u043e \u0440\u0435\u0448\u0435\u043d\u043e \u0434\u0430\u0442\u044c \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u043d\u0430 \u0440\u0430\u0431\u043e\u0442\u0443 \u0441 \u043a\u043b\u044e\u0447\u043e\u043c \u0432 3 \u043c\u0438\u043d\u0443\u0442\u044b.<\/p>\n<p>Kliendi usbip erip\u00e4ra seisneb selles, et p\u00e4rast selle k\u00e4ivitamist j\u00e4\u00e4b see konsoolis riputama, konsooli sessiooni katkestamata saab \u00fchenduse \u201ekarmilt\u201d sulgeda nii kliendi kui ka \u0441\u0435\u0440\u0432\u0435\u0440i poolt.<\/p>\n<p>\n Siin on see, mis meil normaalselt t\u00f6\u00f6tas:<\/p>\n<p>esimene: \u00fchendamine <b><i>on.bat<\/i><\/b> <\/p>\n<pre><code class=\"dos\">usbip -a 172.16.12.26 4-1\nmsg * \"Allkiri\/token ei ole saadaval v\u00f5i on h\u00f5ivatud\"<\/code><\/pre>\n<p>teine: katkestamine <b><i>off.bat<\/i><\/b><\/p>\n<pre><code class=\"dos\">ping 127.0.0.1 -n 180\ntaskkill \/IM usbip.exe \/F<\/code><\/pre>\n<p>\nuskudes, et kasutaja ei k\u00e4itu teadlikult, on skriptid \u00fchendatud <b><i>token.bat<\/i><\/b><\/p>\n<pre><code class=\"dos\">on.bat | off.bat<\/code><\/pre>\n<p>\n\u0427\u0442\u043e \u043f\u043e\u043b\u0443\u0447\u0430\u0435\u0442\u0441\u044f: \u0432\u0441\u0435 \u0444\u0430\u0439\u043b\u044b \u043d\u0430\u0445\u043e\u0434\u044f\u0442\u0441\u044f \u0432 \u043e\u0434\u043d\u043e\u0439 \u043f\u0430\u043f\u043a\u0435, \u0437\u0430\u043f\u0443\u0441\u043a \u0444\u0430\u0439\u043b\u043e\u043c token.bat, \u0435\u0441\u043b\u0438 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 \u0437\u0430\u043a\u0440\u044b\u0442\u043e \u0443 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u0441\u0440\u0430\u0437\u0443 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0435 \u043e \u043d\u0435\u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e\u0441\u0442\u0438 \u043a\u043b\u044e\u0447\u0430, \u0432 \u0434\u0440\u0443\u0433\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435, \u0442\u043e\u043b\u044c\u043a\u043e \u0447\u0435\u0440\u0435\u0437 180 \u043f\u0438\u043d\u0433\u043e\u0432. \u041f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u043d\u044b\u0435 \u0441\u0442\u0440\u043e\u043a\u0438 \u043a\u043e\u0434\u0430 \u043c\u043e\u0436\u043d\u043e \u043e\u0441\u043d\u0430\u0441\u0442\u0438\u0442\u044c &#171;@ECHO OFF&#187; \u0438 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u043a\u043e\u043d\u0441\u043e\u043b\u0438 \u0432 &#171;&gt; nul&#187; \u0434\u0430\u0431\u044b \u043d\u0435 \u0441\u0438\u043b\u044c\u043d\u043e \u0448\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f, \u043d\u043e \u0434\u043b\u044f \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u0432 \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043d\u0435 \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u043e. \u041f\u0435\u0440\u0432\u0438\u0447\u043d\u044b\u0439 \u00ab\u043f\u0440\u043e\u0433\u043e\u043d\u00bb \u043d\u0430 USB \u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u0435 \u043f\u043e\u043a\u0430\u0437\u0430\u043b, \u0447\u0442\u043e \u0432\u0441\u0435 \u043f\u0440\u0435\u0434\u0441\u043a\u0430\u0437\u0443\u0435\u043c\u043e-\u043d\u0430\u0434\u0435\u0436\u043d\u043e-\u0447\u0435\u0442\u043a\u043e. \u041f\u0440\u0438\u0447\u0435\u043c \u0441\u043e \u0441\u0442\u043e\u0440\u043e\u043d\u044b \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u043d\u0435 \u043d\u0443\u0436\u043d\u043e \u043d\u0438\u043a\u0430\u043a\u0438\u0445 \u043c\u0430\u043d\u0438\u043f\u0443\u043b\u044f\u0446\u0438\u0439.<\/p>\n<p><img decoding=\"async\" alt=\"USBIP-p\u00f5histe kasutajate kr\u00fcptograafiliste tokenite jagamine v\u00f5rgus.\" src=\"\/wp-content\/uploads\/2019\/10\/f8b4f8a88d466a597fb191aff0d82728.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nMuidugi, t\u00f6\u00f6tades otse tokeniga, ei l\u00e4inud k\u00f5ik nii nagu oodatud: seadmehalduris registreeritakse token kahel seadmel (WUDF ja nutikaart), kuid v\u00f5rgus ainult WUDF-na (kuigi PIN-koodi p\u00e4rimiseks on sellest piisavalt).<\/p>\n<p><img decoding=\"async\" alt=\"USBIP-p\u00f5histe kasutajate kr\u00fcptograafiliste tokenite jagamine v\u00f5rgus.\" src=\"\/wp-content\/uploads\/2019\/10\/3d8e38458727ad67717853dbb721e295.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nSamuti selgus, et karm \"taskkill\" ei ole nii karm ja kliendi \u00fchenduse katkestamine on probleemne ning isegi kui see \u00f5nnestub, ei garanteeri see, et serveris \u00fchendus suletakse.<\/p>\n<p>Loovutades k\u00f5ik konsoolid kliendil, muutus teine skript j\u00e4rgmisekuiseks:<\/p>\n<pre><code class=\"dos\">ping 127.0.0.1 -n 180 &gt; nul\ntaskkill \/IM usbip.exe \/F \/T &gt; nul\nping 127.0.0.1 -n 10 &gt; nul\ntaskkill \/IM conhost.exe \/F \/T &gt; nul<\/code><\/pre>\n<p>\nkuigi selle efektiivsus on alla 50%, kuna server j\u00e4tkas j\u00e4rjekindlalt \u00fchenduse arvamist avatud olevaks.<\/p>\n<p>\u00dchendusprobleemid viisid m\u00f5teteni serveripoolse uuendamise \u00fcle.<\/p>\n<h1>Serveripoolne<\/h1>\n<p>\nMida on vaja:<\/p>\n<ol>\n<li>Keerata mitteaktiivsed kasutajad teenusest v\u00e4lja.<\/li>\n<li>N\u00e4ha, kes praegu kasutab (v\u00f5i veel kasutab) tokenit.<\/li>\n<li>N\u00e4ha, kas token on arvutisse \u00fchendatud.<\/li>\n<\/ol>\n<p>\nNeed to address these tasks using crontab and apache services. The discrete rewriting of the monitoring state results for points 2 and 3 indicates that the file system can be located on a ramdrive. The line has been added to \/etc\/fstab <\/p>\n<pre><code class=\"bash\">tmpfs   \/ram_drive      tmpfs   defaults,nodev,size=64K         0       0\n<\/code><\/pre>\n<p>\nA folder named script has been created in the root with scripts for unmounting and mounting the token usb_restart.sh <\/p>\n<pre><code class=\"bash\">usbip unbind -b 1-2\nsleep 2\nusbip bind -b 1-2\nsleep 2\nusbip attach --remote=localhost --busid=1-2\nsleep 2\nusbip detach --port=00<\/code><\/pre>\n<p>\nGetting the list of active devices usblist_id.sh<\/p>\n<pre><code class=\"bash\">usbip list -r 127.0.0.1 | grep ':' |awk -F \":\" '{print $1}'| sed s\/' '\/\/g | grep -v \"^$\" &gt; \/ram_drive\/usb_id.txt<\/code><\/pre>\n<p>\nGetting the list of active IPs (with further development to show user identifiers) usbip_client_ip.sh<\/p>\n<pre><code class=\"bash\">netstat -an | grep :3240 | grep ESTABLISHED|awk '{print $5}'|cut -f1 -d\":\" &gt; \/ram_drive\/usb_ip_cli.txt<\/code><\/pre>\n<p>\nThe crontab looks like this:<\/p>\n<pre><code class=\"bash\">*\/5 * * * * \/!script\/usb_restart.sh &gt; \/dev\/null 2&gt;&amp;1\n* * * * * ( sleep 30 ; \/!script\/usblist_id.sh &gt; \/dev\/null)\n* * * * * (sleep 10 ; \/!script\/usbip_client_ip.sh &gt; \/dev\/null)<\/code><\/pre>\n<p>\nThus, we have: every 5 minutes a new user may connect, regardless of who was working with the token. The folder \/ramdrive has been linked to the HTTP server via a symlink, containing 2 text files that show the server status of usbip.<\/p>\n<h1>J\u00e4rgmine osa: \u00abKole \u00fcmbrikus\u00bb<\/h1>\n<p>\n<b>II variant.<\/b> Kasutajat on pisut r\u00f5\u00f5mustada v\u00e4hem hirmutava liidesega. Olles mures, et kasutajatel on erinevad Windowsi versioonid koos erinevate raamistikega, erinevate \u00f5igustega, ei leidnud ma v\u00e4hem probleemset l\u00e4henemist kui <noindex><a rel=\"nofollow\" href=\"https:\/\/www.lazarus-ide.org\/\">Lazarus<\/a><\/noindex> ma ei leidnud (ma olen loomulikult C#-i poolt, aga mitte sel juhul). Bat-failide k\u00e4ivitamine liideste kaudu on v\u00f5imalik ka taustal, minimiseerituna, kuid ilma n\u00f5uetekohase testimiseta, arvan isiklikult, et on vajalik kasutajate rahulolematuse kogumiseks visualiseerida.<\/p>\n<p><img decoding=\"async\" alt=\"USBIP-p\u00f5histe kasutajate kr\u00fcptograafiliste tokenite jagamine v\u00f5rgus.\" src=\"\/wp-content\/uploads\/2019\/10\/a7821aa3194bbcc5b35a7e8675b43b25.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nLiidese ja tarkvarak\u00fcljega on lahendatud j\u00e4rgmised \u00fclesanded:<\/p>\n<ol>\n<li>Kuvamine, kas token on hetkel h\u00f5ivatud.<\/li>\n<li>Esmasel k\u00e4ivitamisel algne seadistamine \u00ab\u00f5igete\u00bb bat-failide genereerimisega, mis teostavad sessiooni k\u00e4ivitamist ja katkestamist serveriga. J\u00e4rgmistes k\u00e4ivitustes \u00abteenusere\u017eiimi\u00bb rakendamine parooli kaudu.<\/li>\n<li>Serveriga \u00fchenduse olemasolu kontrollimine, mille tulemuseks k\u00fcsitakse sellelt teavet h\u00f5ivamise kohta v\u00f5i kuvatakse s\u00f5num probleemi kohta. \u00dchenduse taastumisel hakkab programm automaatselt t\u00f6\u00f6tama tavare\u017eiimis.<\/li>\n<\/ol>\n<p>\nVeebiserveriga t\u00f6\u00f6tamine on rakendatud t\u00e4iendava t\u00f6\u00f6riista fphttpclient abil.<\/p>\n<p><center><div class=\"youtube-placeholder\" data-id=\"Zq_TrYI6tCk\" onclick=\"loadVideo(this)\">\r\n        <img decoding=\"async\" src=\"https:\/\/img.youtube.com\/vi\/Zq_TrYI6tCk\/hqdefault.jpg\" alt=\"Vaata videot\" loading=\"lazy\" width=\"480\" height=\"360\" style=\"width:100%;height:auto;\">\r\n        <div class=\"play-button\"><\/div>\r\n    <\/div><\/center><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/avk013\/montok\">siin on link praegusele kliendi versioonile<\/a><\/noindex><\/p>\n<p>on ka j\u00e4tkuvaid m\u00f5tteid artikli teemal, samuti algne osaline vaimustus VirtualHere toote omaduste \u00fcle...<br \/>\n<br \/>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/471230\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u0441\u0432\u044f\u0437\u0438 \u0441 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435\u043c \u0437\u0430\u043a\u043e\u043d\u043e\u0434\u0430\u0442\u0435\u043b\u044c\u0441\u0442\u0432\u0430 \u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0434\u043e\u0432\u0435\u0440\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u0443\u0441\u043b\u0443\u0433 ( \u00ab\u041f\u0440\u043e \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u043d\u043d\u044b\u0435 \u0434\u043e\u0432\u0435\u0440\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0443\u0441\u043b\u0443\u0433\u0438\u00bb \u0423\u043a\u0440\u0430\u0438\u043d\u0430), \u043d\u0430 \u043f\u0440\u0435\u0434\u043f\u0440\u0438\u044f\u0442\u0438\u0438 \u043f\u043e\u044f\u0432\u0438\u043b\u0430\u0441\u044c \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u044c \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u043c \u043e\u0442\u0434\u0435\u043b\u0430\u043c \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0441 \u043a\u043b\u044e\u0447\u0430\u043c\u0438, \u0440\u0430\u0441\u043f\u043e\u043b\u043e\u0436\u0435\u043d\u043d\u044b\u043c\u0438 \u043d\u0430 \u0442\u043e\u043a\u0435\u043d\u0430\u0445 (\u043d\u0430 \u0434\u0430\u043d\u043d\u044b\u0439 \u043c\u043e\u043c\u0435\u043d\u0442, \u0432\u043e\u043f\u0440\u043e\u0441 \u043e \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u0435 \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u044b\u0445 \u043a\u043b\u044e\u0447\u0435\u0439 \u0435\u0449\u0435 \u043e\u0442\u043a\u0440\u044b\u0442). \u041a\u0430\u043a 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