{"id":140018,"date":"2025-08-04T11:12:07","date_gmt":"2025-08-04T09:12:07","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-clang-namereny-dobavit-rezhim-usilennoj-bezopasnosti"},"modified":"2025-08-04T11:12:07","modified_gmt":"2025-08-04T09:12:07","slug":"v-clang-namereny-dobavit-rezhim-usilennoj-bezopasnosti","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/v-clang-namereny-dobavit-rezhim-usilennoj-bezopasnosti","title":{"rendered":"Clang planea agregar un modo de seguridad mejorado","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Aaron Ballman, el principal mantenedor del compilador Clang y miembro de los equipos de desarrollo de los est\u00e1ndares WG21 (C++) y WG14 (C), ha comenzado a discutir la adici\u00f3n de un modo de refuerzo de seguridad al compilador Clang. Este nuevo modo permitir\u00e1 activar un conjunto de opciones para mejorar la protecci\u00f3n, similar a la bandera '-fhardened' a\u00f1adida en GCC 14, que incluye las opciones '-D_FORTIFY_SOURCE=3 -D_GLIBCXX_ASSERTIONS -ftrivial-auto-var-init=zero -fPIE -pie -Wl,-z,relro,-z,now -fstack-protector-strong -fstack-clash-protection -fcf-protection=full'.     <\/p>\n<p>Se se\u00f1ala que actualmente se est\u00e1 trabajando en la adici\u00f3n de capacidades para mejorar la seguridad en los est\u00e1ndares C y C++, pero este proceso no es r\u00e1pido, dado que en Clang ya est\u00e1n disponibles opciones individuales con la implementaci\u00f3n de mecanismos de protecci\u00f3n adicionales. Los m\u00e9todos de protecci\u00f3n implementados a menudo conducen a incompatibilidades espec\u00edficas con el c\u00f3digo existente o a violaciones de ABI, lo que impide activarlos por defecto. Adem\u00e1s, tales opciones est\u00e1n dispersas (banderas para controlar la compilaci\u00f3n, banderas para la generaci\u00f3n de instrucciones de m\u00e1quina vinculadas a arquitecturas de hardware, advertencias, modos de diagn\u00f3stico, macros), est\u00e1n mal documentadas y a menudo pasan desapercibidas para muchos desarrolladores.       <\/p>\n<p>Una configuraci\u00f3n unificada simplifica la activaci\u00f3n de las opciones relacionadas con la seguridad y facilita su aplicaci\u00f3n. Se est\u00e1n considerando varias formas de activar el modo de seguridad reforzada, por ejemplo, se est\u00e1 discutiendo la activaci\u00f3n a trav\u00e9s de la bandera '-fhardened', un conjunto de configuraciones '--config=hardened', un controlador separado (clang --driver-mode) o opciones individuales '-fhardened, -mhardened y -Whardened' vinculadas a la compilaci\u00f3n, generaci\u00f3n de c\u00f3digo y salida de advertencias. El modo puede abarcar:  <\/p>\n<ul>\n<li class=\"l\"> Capacidades del compilador: -ftrivial-auto-var-init, -fPIE, -fcf-protection, etc.\n<li class=\"l\"> Capacidades vinculadas a la generaci\u00f3n de c\u00f3digo para plataformas objetivo: -mspeculative-load-hardening, -mlvi-hardening, etc.\n<li class=\"l\"> Advertencias: -Wall, -Wextra, -Werror=return-type, etc.\n<li class=\"l\"> Modos de refuerzo de seguridad en la biblioteca est\u00e1ndar de funciones.\n<li class=\"l\"> Macros: _FORTIFY_SOURCE, _GLIBCXX_ASSERTIONS, etc.\n<li class=\"l\"> Requisito de selecci\u00f3n expl\u00edcita del est\u00e1ndar del lenguaje utilizado.\n<li class=\"l\"> Rechazo de la compilaci\u00f3n de c\u00f3digo utilizando est\u00e1ndares obsoletos C89 y C++98.\n<li class=\"l\"> Transmisi\u00f3n de banderas adicionales al enlazador, por ejemplo, para habilitar la aleatorizaci\u00f3n de direcciones.  <\/ul>\n<p>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=63675\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0410\u0430\u0440\u043e\u043d \u0411\u0430\u043b\u043b\u043c\u0430\u043d (Aaron Ballman), \u0433\u043b\u0430\u0432\u043d\u044b\u0439 \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0430\u044e\u0449\u0438\u0439 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440 Clang \u0438 \u0443\u0447\u0430\u0441\u0442\u043d\u0438\u043a \u043a\u043e\u043c\u0430\u043d\u0434 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043e\u0432 WG21 (C++) \u0438 WG14 (C), \u043d\u0430\u0447\u0430\u043b \u043e\u0431\u0441\u0443\u0436\u0434\u0435\u043d\u0438\u0435 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0432 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440 Clang \u0440\u0435\u0436\u0438\u043c\u0430 \u0443\u0441\u0438\u043b\u0435\u043d\u0438\u044f \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438. \u041d\u043e\u0432\u044b\u0439 \u0440\u0435\u0436\u0438\u043c \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442 \u0440\u0430\u0437\u043e\u043c \u0430\u043a\u0442\u0438\u0432\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043d\u0430\u0431\u043e\u0440 \u043e\u043f\u0446\u0438\u0439 \u0434\u043b\u044f \u0443\u0441\u0438\u043b\u0435\u043d\u0438\u044f \u0437\u0430\u0449\u0438\u0442\u044b \u043f\u043e \u0430\u043d\u0430\u043b\u043e\u0433\u0438\u0438 \u0441 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u043c \u0432 GCC 14 \u0444\u043b\u0430\u0433\u043e\u043c &#171;-fhardened&#187;, \u043f\u0440\u0438 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0442\u0441\u044f \u043e\u043f\u0446\u0438\u0438 &#171;-D_FORTIFY_SOURCE=3 -D_GLIBCXX_ASSERTIONS -ftrivial-auto-var-init=zero -fPIE -pie [&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-140018","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=\"\u0410\u0430\u0440\u043e\u043d \u0411\u0430\u043b\u043b\u043c\u0430\u043d (Aaron Ballman), \u0433\u043b\u0430\u0432\u043d\u044b\u0439 \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0430\u044e\u0449\u0438\u0439 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440 Clang \u0438 \u0443\u0447\u0430\u0441\u0442\u043d\u0438\u043a \u043a\u043e\u043c\u0430\u043d\u0434 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 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