{"id":54610,"date":"2019-12-30T00:00:00","date_gmt":"2019-12-29T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/vypusk-sistemy-izolyatsii-prilozhenij-firejail-0-9-62"},"modified":"2020-02-18T14:02:39","modified_gmt":"2020-02-18T11:02:39","slug":"vypusk-sistemy-izolyatsii-prilozhenij-firejail-0-9-62","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-sistemy-izolyatsii-prilozhenij-firejail-0-9-62","title":{"rendered":"Lan\u00e7amento do sistema de isolamento de aplicativos Firejail 0.9.62","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ap\u00f3s seis meses de desenvolvimento <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/netblue30\/firejail\/releases\/tag\/0.9.62\">dispon\u00edvel<\/a><\/noindex> lan\u00e7amento do projeto <noindex><a rel=\"nofollow\" href=\"https:\/\/firejail.wordpress.com\/\">Firejail 0.9.62<\/a><\/noindex>, no qual se desenvolve um sistema para a execu\u00e7\u00e3o isolada de aplica\u00e7\u00f5es gr\u00e1ficas, de console e servidor. A utiliza\u00e7\u00e3o do Firejail minimiza o risco de comprometimento do sistema principal ao executar programas desconfi\u00e1veis ou potencialmente vulner\u00e1veis. O programa \u00e9 escrito em C, <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/netblue30\/firejail\">\u00e9 distribu\u00eddo<\/a><\/noindex> sob a licen\u00e7a GPLv2 e pode funcionar em qualquer distribui\u00e7\u00e3o Linux com n\u00facleo superior a 3.0. Pacotes prontos com o Firejail <noindex><a rel=\"nofollow\" href=\"https:\/\/sourceforge.net\/projects\/firejail\/files\/firejail\/\">foram preparados<\/a><\/noindex> nos formatos deb (Debian, Ubuntu) e rpm (CentOS, Fedora).<\/p>\n<p>Para isolamento no Firejail <noindex><a rel=\"nofollow\" href=\"https:\/\/firejail.wordpress.com\/features-3\/\">s\u00e3o utilizados<\/a><\/noindex>  namespaces, AppArmor e filtragem de chamadas de sistema (seccomp-bpf) no Linux. Ap\u00f3s a inicializa\u00e7\u00e3o, o programa e todos os seus processos filhos utilizam vis\u00f5es separadas dos recursos do kernel, como a pilha de rede, tabela de processos e pontos de montagem. Aplica\u00e7\u00f5es interdependentes podem ser agrupadas em um sandbox comum. Se desejado, o Firejail tamb\u00e9m pode ser usado para executar cont\u00eaineres Docker, LXC e OpenVZ. <\/p>\n<p>Ao contr\u00e1rio das ferramentas de isolamento de cont\u00eaineres, o firejail \u00e9 extremamente <noindex><a rel=\"nofollow\" href=\"https:\/\/firejail.wordpress.com\/documentation-2\/basic-usage\/\">simples<\/a><\/noindex> na configura\u00e7\u00e3o e n\u00e3o requer a prepara\u00e7\u00e3o de uma imagem do sistema \u2014 a composi\u00e7\u00e3o do cont\u00eainer \u00e9 formada on-the-fly com base no conte\u00fado do sistema de arquivos atual e \u00e9 removida ap\u00f3s a conclus\u00e3o do aplicativo. S\u00e3o fornecidos meios flex\u00edveis para definir regras de acesso ao sistema de arquivos, podendo-se determinar a quais arquivos e diret\u00f3rios o acesso \u00e9 permitido ou negado, conectar sistemas de arquivos tempor\u00e1rios (tmpfs) para dados, restringir o acesso a arquivos ou diret\u00f3rios apenas para leitura, e combinar diret\u00f3rios usando bind-mount e overlayfs.<\/p>\n<p>Para um grande n\u00famero de aplica\u00e7\u00f5es populares, incluindo Firefox, Chromium, VLC e Transmission, perfis prontos foram preparados <noindex><a rel=\"nofollow\" href=\"https:\/\/firejail.wordpress.com\/documentation-2\/building-custom-profiles\/\">de isolamento de chamadas de sistema. Para executar um programa em modo isolado, basta indicar o nome da aplica\u00e7\u00e3o como argumento da ferramenta firejail, por exemplo, \"firejail firefox\" ou \"sudo firejail \/etc\/init.d\/nginx start.\"<\/a><\/noindex> isolamento de chamadas de sistema. Para obter as permiss\u00f5es necess\u00e1rias para configurar o ambiente isolado, o arquivo execut\u00e1vel firejail \u00e9 instalado com a flag SUID root (ap\u00f3s a inicializa\u00e7\u00e3o, as permiss\u00f5es s\u00e3o revertidas). Para executar um programa em modo de isolamento, basta especificar o nome do aplicativo como um argumento da ferramenta firejail, por exemplo, \u00abfirejail firefox\u00bb ou \u00absudo firejail \/etc\/init.d\/nginx start\u00bb. <\/p>\n<p>No novo lan\u00e7amento:<\/p>\n<ul>\n<li class=\"l\"> No arquivo de configura\u00e7\u00e3o \/etc\/firejail\/firejail.config <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/netblue30\/firejail\/blob\/master\/etc\/firejail.config#L38\">foi adicionada<\/a><\/noindex> configura\u00e7\u00e3o file-copy-limit, que permite limitar o tamanho dos arquivos que ser\u00e3o copiados para a mem\u00f3ria ao usar as op\u00e7\u00f5es \u00ab--private-*\u00bb (por padr\u00e3o, o limite \u00e9 de 500MB).\n<li class=\"l\"> No diret\u00f3rio \/usr\/share\/doc\/firejail, foram adicionados modelos para a cria\u00e7\u00e3o de novos perfis de restri\u00e7\u00e3o de aplicativos.\n<li class=\"l\"> Nos perfis, \u00e9 permitida a utiliza\u00e7\u00e3o de depuradores.\n<li class=\"l\"> A filtragem de chamadas de sistema foi melhorada atrav\u00e9s do mecanismo seccomp.\n<li class=\"l\"> Implementa\u00e7\u00e3o de autodetec\u00e7\u00e3o das flags do compilador.\n<li class=\"l\"> A chamada chroot agora \u00e9 executada n\u00e3o com base no caminho, mas usando pontos de montagem a partir do descritor de arquivo.\n<li class=\"l\"> O diret\u00f3rio \/usr\/share foi inclu\u00eddo na lista branca de v\u00e1rios perfis.\n<li class=\"l\"> Na se\u00e7\u00e3o contrib, foram adicionados novos scripts auxiliares gdb-firejail.sh e sort.py.\n<li class=\"l\"> Refor\u00e7ada a prote\u00e7\u00e3o na fase de execu\u00e7\u00e3o de c\u00f3digo privilegiado (SUID).\n<li class=\"l\"> Para os perfis, foram implementadas novas caracter\u00edsticas condicionais HAS_X11 e HAS_NET para verificar a presen\u00e7a do X-server e o acesso \u00e0 rede.\n<li class=\"l\"> Perfis adicionados para execu\u00e7\u00e3o isolada de aplicativos (n\u00famero total de perfis elevado para 884):\n<ul>\n<li>i2p,\n<li>tor-browser (AUR),\n<li>Zulip,\n<li>rsync,\n<li>signal-cli,\n<li>tcpdump,\n<li>tshark,\n<li>qgis,\n<li>OpenArena,\n<li>godot,\n<li>klatexformula,\n<li>klatexformula_cmdl,\n<li>links,\n<li>xlinks,\n<li>pandoc,\n<li>teams-for-linux,\n<li>gnome-sound-recorder,\n<li>newsbeuter,\n<li>keepassxc-cli,\n<li>keepassxc-proxy,\n<li>rhythmbox-client,\n<li>jerry,\n<li>zeal,\n<li>mpg123,\n<li>conplay,\n<li>mpg123.bin,\n<li>mpg123-alsa,\n<li>mpg123-id3dump,\n<li>out123,\n<li>mpg123-jack,\n<li>mpg123-nas,\n<li>mpg123-openal,\n<li> mpg123-oss,\n<li>mpg123-portaudio,\n<li>mpg123-pulse,\n<li> mpg123-strip,\n<li>pavucontrol-qt,\n<li>gnome-characters,\n<li>gnome-character-map,\n<li>Whalebird,\n<li>tb-starter-wrapper,\n<li>bzcat,\n<li>kiwix-desktop,\n<li>bzcat,\n<li>zstd,\n<li>pzstd,\n<li>zstdcat,\n<li>zstdgrep,\n<li>zstdless,\n<li>zstdmt,\n<li>unzstd,\n<li>ar,\n<li>gnome-latex,\n<li> pngquant,\n<li>kalgebra,\n<li>kalgebramobile,\n<li>amuled,\n<li>kfind,\n<li>profanity,\n<li>audio-recorder,\n<li>cameramonitor,\n<li>ddgtk,\n<li>drawio,\n<li>unf,\n<li>gmpc,\n<li>electron-mail,\n<li>gist,\n<li>gist-paste.\n<\/ul>\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52115\">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 \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Firejail 0.9.62, \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u0434\u043b\u044f \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0445, \u043a\u043e\u043d\u0441\u043e\u043b\u044c\u043d\u044b\u0445 \u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u043d\u044b\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439. \u041f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 Firejail \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043c\u0438\u043d\u0438\u043c\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0440\u0438\u0441\u043a \u043a\u043e\u043c\u043f\u0440\u043e\u043c\u0435\u0442\u0430\u0446\u0438\u0438 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043f\u0440\u0438 \u0437\u0430\u043f\u0443\u0441\u043a\u0435 \u043d\u0435 \u0437\u0430\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u044e\u0449\u0438\u0445 \u0434\u043e\u0432\u0435\u0440\u0438\u044f \u0438\u043b\u0438 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0443\u044f\u0437\u0432\u0438\u043c\u044b\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c. \u041f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u0430 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438, \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 GPLv2 \u0438 \u043c\u043e\u0436\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0432 \u043b\u044e\u0431\u043e\u043c \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0435 Linux [&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-54610","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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 \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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