OpenSSH inki\u015faf etdiricil\u0259ri sshd-ni bir ne\u00e7\u0259 ayr\u0131 icra olunan fayla ay\u0131rma\u011fa davam edibl\u0259r. May ay\u0131nda h\u0259yata ke\u00e7iril\u0259n ay\u0131rman\u0131n birinci m\u0259rh\u0259l\u0259sind\u0259 sshd-d\u0259n sshd-session adl\u0131 ayr\u0131 proses\u0259 sessiya emal\u0131 il\u0259 \u0259laq\u0259li funksiyalar \u00e7\u0131xar\u0131l\u0131b, sshd-d\u0259 is\u0259 yaln\u0131z yeni \u015f\u0259b\u0259k\u0259 ba\u011flant\u0131s\u0131 q\u0259bul etm\u0259k v\u0259 h\u0259r yeni sessiya \u00fc\u00e7\u00fcn sshd-session-u ba\u015flatmaq \u00fc\u00e7\u00fcn z\u0259ruri olan funksionall\u0131q qalm\u0131\u015fd\u0131r. D\u00fcn\u0259n OpenSSH kod bazas\u0131na \u0259lav\u0259 edilmi\u015f d\u0259yi\u015fiklik, sshd-session-dan autentifikasiya kodunu k\u00f6\u00e7\u00fcr\u0259n yeni bir proses - sshd-auth-u \u0259lav\u0259 etdi. <\/p>\n
sshd-auth prosesi sshd-session-dan i\u015f\u0259 sal\u0131n\u0131r v\u0259 autentifikasiya il\u0259 ba\u011fl\u0131 m\u0259lumatlar\u0131 ayr\u0131 bir prosesin yadda\u015f m\u0259kan\u0131nda \u0259lav\u0259 izolyasiyaya imkan tan\u0131y\u0131r. Bu, autentifikasiyadan \u0259vv\u0259l ba\u011flant\u0131 m\u0259rh\u0259l\u0259l\u0259rinin emal\u0131 \u00fc\u00e7\u00fcn istifad\u0259 olunan kodda h\u00fccumlar zaman\u0131 bu m\u0259lumatlara yadda\u015fda giri\u015fin \u0259ld\u0259 edilm\u0259sin\u0259 mane olacaq. \u00dcst\u0259lik, bu d\u0259yi\u015fiklik yadda\u015f istehlak\u0131n\u0131 bir q\u0259d\u0259r azaldacaq, \u00e7\u00fcnki autentifikasiya il\u0259 ba\u011fl\u0131 kod indi yaln\u0131z autentifikasiya prozesind\u0259 yadda\u015fda olacaq, sonra is\u0259 sshd-auth prosesinin tamamlanmas\u0131 il\u0259 y\u00fckl\u0259n\u0259c\u0259k. <\/p>\n
sshd, ssh-session v\u0259 ssh-agent il\u0259 ox\u015far olaraq, sshd-auth prosesi \u00fc\u00e7\u00fcn \u0259m\u0259liyyat sistemi h\u0259r y\u00fckl\u0259n\u0259nd\u0259 icra olunan fayl\u0131n t\u0259sad\u00fcfi yenid\u0259n t\u0259rtibat\u0131 t\u0259tbiq olunmu\u015fdur. T\u0259sad\u00fcfi t\u0259rtibat, icra olunan fayllardak\u0131 v\u0259 kitabxanalardak\u0131 funksiyalar\u0131n m\u00f6vqel\u0259rinin proqnozla\u015fd\u0131r\u0131lmas\u0131n\u0131 \u00e7\u0259tinl\u0259\u015fdirir, bu da geri-y\u00f6nl\u00fc proqramla\u015fd\u0131rma (ROP - Return-Oriented Programming) metodlar\u0131n\u0131 istifad\u0259 ed\u0259n istismarlar\u0131n yarad\u0131lmas\u0131n\u0131 \u00e7\u0259tinl\u0259\u015fdirir. ROP texnikas\u0131ndan istifad\u0259 ed\u0259rk\u0259n, h\u00fccum ed\u0259n \u015f\u0259xs \u00f6z kodunu yadda\u015fda yerl\u0259\u015fdirm\u0259k \u0259v\u0259zin\u0259, art\u0131q m\u00f6vcud olan ma\u015f\u0131n t\u0259limatlar\u0131n\u0131n par\u00e7alar\u0131 il\u0259 i\u015fl\u0259yir, qaytarma \u0259mrin\u0259 (ad\u0259t\u0259n, funksiyalar\u0131n sonlar\u0131na) sonlanan bloklarla. \u0130stismar funksiyas\u0131n\u0131n m\u0259qs\u0259di, t\u0259l\u0259b olunan funksionall\u0131\u011f\u0131 \u0259ld\u0259 etm\u0259k \u00fc\u00e7\u00fcn bu c\u00fcr bloklar\u0131n (\"gadgetl\u0259r\") \u00e7a\u011f\u0131rma z\u0259ncirl\u0259rini qurma\u011fa y\u00f6n\u0259lib. \u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 OpenSSH \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0438\u043b\u0438 \u0440\u0430\u0437\u0434\u0435\u043b\u0435\u043d\u0438\u0435 sshd \u043d\u0430 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u0438\u0441\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u044b\u0445 \u0444\u0430\u0439\u043b\u043e\u0432. \u041d\u0430 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u043e\u043c \u0432 \u043c\u0430\u0435 \u043f\u0435\u0440\u0432\u043e\u043c \u044d\u0442\u0430\u043f\u0435 \u0440\u0430\u0437\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u0438\u0437 sshd \u0432 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0439 \u043f\u0440\u043e\u0446\u0435\u0441\u0441 sshd-session \u0431\u044b\u043b\u0438 \u0432\u044b\u043d\u0435\u0441\u0435\u043d\u044b \u0444\u0443\u043d\u043a\u0446\u0438\u0438, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u0441\u0435\u0430\u043d\u0441\u043e\u0432, \u0430 \u0432 sshd \u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0430 \u043b\u0438\u0448\u044c \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c, \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u0430\u044f \u0434\u043b\u044f \u043f\u0440\u0438\u0451\u043c\u0430 \u043d\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0442\u0435\u0432\u043e\u0433\u043e \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f \u0438 \u0437\u0430\u043f\u0443\u0441\u043a\u0430 sshd-session \u0434\u043b\u044f \u043a\u0430\u0436\u0434\u043e\u0433\u043e \u043d\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0430\u043d\u0441\u0430. \u0412\u0447\u0435\u0440\u0430 \u0432 \u043a\u043e\u0434\u043e\u0432\u0443\u044e \u0431\u0430\u0437\u0443 OpenSSH \u0431\u044b\u043b\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-120192","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"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\udd47OpenSSH-d\u0259 autentifikasiya kodu ayr\u0131 bir sshd-auth prosesi olaraq ayr\u0131l\u0131b | ProHoster","description":"OpenSSH inki\u015faf\u00e7\u0131lar\u0131n\u0131n sshd-ni bir ne\u00e7\u0259 ayr\u0131 icra olunan fayla ay\u0131rma prosesi davam 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M\u0259nb\u0259: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"