{"id":36727,"date":"2019-10-31T22:13:25","date_gmt":"2019-10-31T19:13:25","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-sistemnoj-biblioteki-glibc-2-30\/"},"modified":"2019-10-31T22:13:25","modified_gmt":"2019-10-31T19:13:25","slug":"vypusk-sistemnoj-biblioteki-glibc-2-30","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/vypusk-sistemnoj-biblioteki-glibc-2-30","title":{"rendered":"Publication de la biblioth\u00e8que syst\u00e8me Glibc 2.30","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Apr\u00e8s six mois de d\u00e9veloppement <noindex><a rel=\"nofollow\" href=\"https:\/\/sourceware.org\/ml\/libc-alpha\/2019-08\/msg00029.html\">publi\u00e9e<\/a><\/noindex> publication de la biblioth\u00e8que syst\u00e8me <noindex><a rel=\"nofollow\" href=\"http:\/\/ftp.gnu.org\/gnu\/glibc\/\">GNU C Library<\/a><\/noindex> (glibc) <noindex><a rel=\"nofollow\" href=\"http:\/\/sourceware.org\/glibc\/wiki\/Release\/2.30\">2.30<\/a><\/noindex>, qui respecte enti\u00e8rement les exigences des normes ISO C11 et POSIX.1-2008. La nouvelle version comprend des correctifs de 48 d\u00e9veloppeurs. <\/p>\n<p>Parmi les fonctionnalit\u00e9s mises en \u0153uvre dans Glibc 2.30 <noindex><a rel=\"nofollow\" href=\"http:\/\/sourceware.org\/git\/?p=glibc.git;a=blob_plain;f=NEWS;hb=HEAD\">am\u00e9liorations<\/a><\/noindex> on peut noter : <\/p>\n<ul>\n<li class=\"l\"> Le gestionnaire dynamique prend en charge l'option \u00ab\u00a0--preload\u00a0\u00bb pour pr\u00e9charger des objets partag\u00e9s (similaire \u00e0 la variable d'environnement LD_PRELOAD) ;\n<li class=\"l\"> Ajout\u00e9e la fonction twalk_r, similaire \u00e0 la fonction d\u00e9j\u00e0 existante twalk, mais permettant de passer un argument suppl\u00e9mentaire \u00e0 la fonction de rappel sp\u00e9cifi\u00e9e;\n<li class=\"l\"> Pour Linux, de nouvelles fonctions getdents64, gettid et tgkill ont \u00e9t\u00e9 ajout\u00e9es;\n<li class=\"l\"> La terminaison des fonctions de gestion de la m\u00e9moire malloc, calloc, realloc, reallocarray, valloc, pvalloc, memalign et posix_memalign renvoie maintenant un code d'erreur lorsque la taille totale de l'objet d\u00e9passe PTRDIFF_MAX. Ce changement permet d'\u00e9viter un comportement ind\u00e9fini lorsque le r\u00e9sultat des manipulations de pointeurs entra\u00eene un d\u00e9passement de type ptrdiff_t;\n<li class=\"l\"> Ajout\u00e9es les fonctions POSIX sugg\u00e9r\u00e9es pthread_cond_clockwait, pthread_mutex_clocklock,<br \/>\n  pthread_rwlock_clockrdlock, pthread_rwlock_clockwrlock et sem_clockwait, similaires aux \u00e9quivalents \u00ab\u00a0timed\u00a0\u00bb, mais acceptant en plus le param\u00e8tre clockid_t pour s\u00e9lectionner le minuteur ;<\/p>\n<li class=\"l\"> Les donn\u00e9es d'encodage, les informations sur les types de caract\u00e8res et les tables de translitt\u00e9ration ont \u00e9t\u00e9 mises \u00e0 jour pour prendre en charge la sp\u00e9cification Unicode 12.1.0;\n<li class=\"l\"> Dans la biblioth\u00e8que librt, les fonctions clock_gettime, clock_getres, clock_settime, clock_getcpuclockid et clock_nanosleep ne sont plus fournies pour les nouvelles applications, et les d\u00e9finitions de libc sont utilis\u00e9es automatiquement \u00e0 la place;\n<li class=\"l\"> Dans \/etc\/resolv.conf, le support de l'option \u00ab\u00a0inet6\u00a0\u00bb a \u00e9t\u00e9 supprim\u00e9. Les drapeaux obsol\u00e8tes RES_USE_INET6, RES_INSECURE1 et RES_INSECURE2 ont \u00e9t\u00e9 retir\u00e9s de resolv.h ;\n<li class=\"l\"> En sp\u00e9cifiant l'option \u00ab\u00a0--enable-bind-now\u00a0\u00bb, les programmes fournis sont maintenant li\u00e9s en utilisant le drapeau BIND_NOW ;\n<li class=\"l\"> Le fichier d'en-t\u00eate sp\u00e9cifique \u00e0 Linux sys\/sysctl.h et la fonction sysctl ont \u00e9t\u00e9 d\u00e9clar\u00e9s obsol\u00e8tes, et les applications doivent d\u00e9sormais utiliser le pseudo-syst\u00e8me de fichiers \/proc;\n<li class=\"l\"> Pour la compilation de Glibc, GCC 6.2 ou une version plus r\u00e9cente est d\u00e9sormais requise (tous les compilateurs peuvent \u00eatre utilis\u00e9s pour la compilation des applications);\n<li class=\"l\"> Vuln\u00e9rabilit\u00e9 corrig\u00e9e <noindex><a rel=\"nofollow\" href=\"https:\/\/security-tracker.debian.org\/tracker\/CVE-2019-7309\">CVE-2019-7309<\/a><\/noindex> dans l'impl\u00e9mentation de la fonction memcmp pour <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=49772\">obsol\u00e8te<\/a><\/noindex> la sous-architecture x32 (\u00e0 ne pas confondre avec x86 IA-32), ce qui a entra\u00een\u00e9 un retour incorrect de la valeur 0 pour des cha\u00eenes non correspondantes;\n<li class=\"l\"> Vuln\u00e9rabilit\u00e9 corrig\u00e9e <noindex><a rel=\"nofollow\" href=\"https:\/\/security-tracker.debian.org\/tracker\/CVE-2019-9169\">CVE-2019-9169<\/a><\/noindex>, ce qui peut entra\u00eener la lecture de donn\u00e9es en dehors des limites du tampon lors du traitement de certaines expressions r\u00e9guli\u00e8res.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Source : <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51205\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0448\u0435\u0441\u0442\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 GNU C Library (glibc) 2.30, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f\u043c \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043e\u0432 ISO C11 \u0438 POSIX.1-2008. \u0412 \u0441\u043e\u0441\u0442\u0430\u0432 \u043d\u043e\u0432\u043e\u0433\u043e \u0432\u044b\u043f\u0443\u0441\u043a\u0430 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u044b \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043e\u0442 48 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432. \u0418\u0437 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0432 Glibc 2.30 \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u0438\u0439 \u043c\u043e\u0436\u043d\u043e \u043e\u0442\u043c\u0435\u0442\u0438\u0442\u044c: \u0412 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u043c \u043a\u043e\u043c\u043f\u043e\u043d\u043e\u0432\u0449\u0438\u043a\u0435 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043e\u043f\u0446\u0438\u0438 &#171;&#8212;preload&#187; \u0434\u043b\u044f \u043f\u0440\u0435\u0434\u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u0440\u0430\u0437\u0434\u0435\u043b\u044f\u0435\u043c\u044b\u0445 \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432 (\u0430\u043d\u0430\u043b\u043e\u0433 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f LD_PRELOAD); \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 [&hellip;]<\/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-36727","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0448\u0435\u0441\u0442\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u043e\u0439 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