{"id":102842,"date":"2022-01-02T15:36:38","date_gmt":"2022-01-02T13:36:38","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/%d0%b2%d1%8b%d0%bf%d1%83%d1%81%d0%ba-%d1%83%d1%82%d0%b8%d0%bb%d0%b8%d1%82%d1%8b-gnu-cflow-1-7"},"modified":"2022-01-02T15:36:38","modified_gmt":"2022-01-02T13:36:38","slug":"%d0%b2%d1%8b%d0%bf%d1%83%d1%81%d0%ba-%d1%83%d1%82%d0%b8%d0%bb%d0%b8%d1%82%d1%8b-gnu-cflow-1-7","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/%d0%b2%d1%8b%d0%bf%d1%83%d1%81%d0%ba-%d1%83%d1%82%d0%b8%d0%bb%d0%b8%d1%82%d1%8b-gnu-cflow-1-7","title":{"rendered":"Vyd\u00e1n\u00ed utilit GNU cflow 1.7","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Po t\u0159ech letech v\u00fdvoje byl vyd\u00e1n GNU cflow 1.7, n\u00e1stroj ur\u010den\u00fd k vytv\u00e1\u0159en\u00ed p\u0159ehledn\u00e9ho grafu vol\u00e1n\u00ed funkc\u00ed v programech napsan\u00fdch v jazyce C, kter\u00fd m\u016f\u017ee b\u00fdt pou\u017eit k usnadn\u011bn\u00ed studia logiky fungov\u00e1n\u00ed aplikace. Graf je sestavov\u00e1n pouze na z\u00e1klad\u011b anal\u00fdzy zdrojov\u00fdch text\u016f, bez nutnosti spou\u0161t\u011bn\u00ed programu. Podporov\u00e1na je generace jak p\u0159\u00edm\u00fdch, tak zp\u011btn\u00fdch graf\u016f tok\u016f vykon\u00e1v\u00e1n\u00ed, a tak\u00e9 generov\u00e1n\u00ed seznam\u016f k\u0159\u00ed\u017eov\u00fdch odkaz\u016f pro soubory s k\u00f3dem. <\/p>\n

Verze vynik\u00e1 implementac\u00ed podpory v\u00fdstupn\u00edho form\u00e1tu «dot» (‘—format=dot’), kter\u00fd slou\u017e\u00ed k vytv\u00e1\u0159en\u00ed v\u00fdsledku v jazyce DOT pro n\u00e1slednou vizualizaci v bal\u00ed\u010dku Graphviz. P\u0159id\u00e1na byla mo\u017enost zad\u00e1n\u00ed n\u011bkolika po\u010d\u00e1te\u010dn\u00edch funkc\u00ed zdvojen\u00edm voleb ‘—main’, pro ka\u017edou z t\u011bchto funkc\u00ed bude vygenerov\u00e1n samostatn\u00fd graf. Tak\u00e9 byla p\u0159id\u00e1na volba «—target=FUNCTION», kter\u00e1 umo\u017e\u0148uje omezit v\u00fdsledn\u00fd graf pouze na v\u011btev zahrnuj\u00edc\u00ed ur\u010dit\u00e9 funkce (volbu «—target» lze uv\u00e1d\u011bt v\u00edcekr\u00e1t). Do m\u00f3du cflow-mode byly p\u0159id\u00e1ny nov\u00e9 p\u0159\u00edkazy pro navigaci po grafu: «c» — p\u0159echod k volaj\u00edc\u00ed funkci, «n» — p\u0159echod k dal\u0161\u00ed funkci na t\u00e9to \u00farovni zano\u0159en\u00ed a «p» — p\u0159echod k p\u0159edchoz\u00ed funkci se stejnou \u00farovn\u00ed zano\u0159en\u00ed. <\/p>\n

Ve verzi byly tak\u00e9 odstran\u011bny dv\u011b zranitelnosti, kter\u00e9 byly odhaleny ji\u017e v roce 2019 a vedly k po\u0161kozen\u00ed pam\u011bti p\u0159i zpracov\u00e1n\u00ed speci\u00e1ln\u011b form\u00e1tovan\u00fdch zdrojov\u00fdch text\u016f v cflow. Prvn\u00ed zranitelnost (CVE-2019-16165) je zp\u016fsobena p\u0159\u00edstupem k pam\u011bti po jej\u00edm uvoln\u011bn\u00ed (use-after-free) v k\u00f3du parseru (funkce reference v parser.c). Druh\u00e1 zranitelnost (CVE-2019-16166) souvis\u00ed s p\u0159ete\u010den\u00edm bufferu ve funkci nexttoken(). Podle v\u00fdvoj\u00e1\u0159\u016f uveden\u00e9 probl\u00e9my nep\u0159edstavuj\u00ed bezpe\u010dnostn\u00ed hrozbu, proto\u017ee jsou omezeny na havarijn\u00ed ukon\u010den\u00ed n\u00e1stroje.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041f\u043e\u0441\u043b\u0435 \u0442\u0440\u0451\u0445 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0443\u0442\u0438\u043b\u0438\u0442\u044b GNU cflow 1.7, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0439 \u0434\u043b\u044f \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u043d\u0430\u0433\u043b\u044f\u0434\u043d\u043e\u0433\u043e \u0433\u0440\u0430\u0444\u0430 \u0432\u044b\u0437\u043e\u0432\u043e\u0432 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 \u0432 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430\u0445 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u0443\u043f\u0440\u043e\u0449\u0435\u043d\u0438\u044f \u0438\u0437\u0443\u0447\u0435\u043d\u0438\u044f \u043b\u043e\u0433\u0438\u043a\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f. \u0413\u0440\u0430\u0444 \u0441\u0442\u0440\u043e\u0438\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u0445 \u0442\u0435\u043a\u0441\u0442\u043e\u0432, \u0431\u0435\u0437 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b. \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u044f \u043a\u0430\u043a \u043f\u0440\u044f\u043c\u044b\u0445, \u0442\u0430\u043a \u0438 \u043e\u0431\u0440\u0430\u0442\u043d\u044b\u0445 \u0433\u0440\u0430\u0444\u043e\u0432 \u043f\u043e\u0442\u043e\u043a\u043e\u0432 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f, \u0430 \u0442\u0430\u043a\u0436\u0435 […]<\/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-102842","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\udd47Vyd\u00e1n\u00ed GNU cflow 1.7 | ProHoster","description":"Po t\u0159ech letech v\u00fdvoje byl vyd\u00e1n GNU cflow 1.7, n\u00e1stroj ur\u010den\u00fd k vytv\u00e1\u0159en\u00ed p\u0159ehledn\u00e9ho grafu vol\u00e1n\u00ed funkc\u00ed v programech napsan\u00fdch v jazyce C, kter\u00fd m\u016f\u017ee b\u00fdt pou\u017eit k usnadn\u011bn\u00ed studia logiky.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/%d0%b2%d1%8b%d0%bf%d1%83%d1%81%d0%ba-%d1%83%d1%82%d0%b8%d0%bb%d0%b8%d1%82%d1%8b-gnu-cflow-1-7","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","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\udd47\u0412\u044b\u043f\u0443\u0441\u043a \u0443\u0442\u0438\u043b\u0438\u0442\u044b GNU cflow 1.7 | ProHoster","og:description":"\u041f\u043e\u0441\u043b\u0435 \u0442\u0440\u0451\u0445 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0443\u0442\u0438\u043b\u0438\u0442\u044b GNU cflow 1.7, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0439 \u0434\u043b\u044f \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u043d\u0430\u0433\u043b\u044f\u0434\u043d\u043e\u0433\u043e \u0433\u0440\u0430\u0444\u0430 \u0432\u044b\u0437\u043e\u0432\u043e\u0432 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 \u0432 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430\u0445 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u0443\u043f\u0440\u043e\u0449\u0435\u043d\u0438\u044f \u0438\u0437\u0443\u0447\u0435\u043d\u0438\u044f \u043b\u043e\u0433\u0438\u043a\u0438.","og:url":"https:\/\/prohoster.info\/cs\/blog\/news\/%d0%b2%d1%8b%d0%bf%d1%83%d1%81%d0%ba-%d1%83%d1%82%d0%b8%d0%bb%d0%b8%d1%82%d1%8b-gnu-cflow-1-7","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2022-01-02T13:36:38+00:00","article:modified_time":"2022-01-02T13:36:38+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"102842","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2022-01-02 13:37:47","updated":"2022-09-28 16:30:48","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/102842","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/comments?post=102842"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/102842\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/media?parent=102842"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/categories?post=102842"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/tags?post=102842"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}