{"id":102857,"date":"2022-01-04T21:36:39","date_gmt":"2022-01-04T19:36:39","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/%d0%bd%d0%be%d0%b2%d1%8b%d0%b5-%d0%b2%d0%b5%d1%80%d1%81%d0%b8%d0%b8-gnu-rush-2-2-pies-1-7-%d0%b8-mailutils-3-14"},"modified":"2022-01-04T21:36:39","modified_gmt":"2022-01-04T19:36:39","slug":"novye-versii-gnu-rush-2-2-pies-1-7-i-mailutils-3-14","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/novye-versii-gnu-rush-2-2-pies-1-7-i-mailutils-3-14","title":{"rendered":"Novas vers\u00f5es do GNU Rush 2.2, Pies 1.7 e mailutils 3.14","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Foi lan\u00e7ado o GNU Rush 2.2 (Restricted User Shell), um shell de comando especializado projetado para ser usado em sistemas com acesso remoto restrito, onde \u00e9 necess\u00e1rio limitar as a\u00e7\u00f5es do usu\u00e1rio. Rush permite definir quais fun\u00e7\u00f5es da linha de comando o usu\u00e1rio pode utilizar e quais recursos lhe s\u00e3o proporcionados (tamanho da mem\u00f3ria, tempo de CPU, etc.). Por exemplo, Rush pode ser usado para executar programas remotamente em um ambiente chroot, o que ajuda a aumentar a seguran\u00e7a ao fornecer acesso atrav\u00e9s de programas como sftp-server ou scp, que por padr\u00e3o t\u00eam acesso a todo o sistema de arquivos. <\/p>\n

Na nova edi\u00e7\u00e3o, foi adicionada a capacidade de realizar verifica\u00e7\u00f5es de estado de arquivos e diret\u00f3rios no sistema de arquivos (por exemplo, agora \u00e9 poss\u00edvel verificar tipos, permiss\u00f5es e propriet\u00e1rios de arquivos nas regras). O formato das op\u00e7\u00f5es para verifica\u00e7\u00e3o se assemelha ao comando \u2018test\u2019. Por exemplo, para verificar se um caminho existe e aponta para um diret\u00f3rio, pode-se usar a estrutura \u2018match -d \/var\/lock\/sd\u2019. <\/p>\n

Al\u00e9m disso, foi lan\u00e7ado o GNU pies 1.7, uma ferramenta destinada \u00e0 coordena\u00e7\u00e3o de inicializa\u00e7\u00e3o e execu\u00e7\u00e3o de aplicativos. Com base em uma configura\u00e7\u00e3o especificada, o programa inicia arquivos execut\u00e1veis em segundo plano, monitora sua execu\u00e7\u00e3o e permite associar manipuladores a v\u00e1rios estados, por exemplo, pode reiniciar o programa em caso de falha, executar outro programa ou enviar notifica\u00e7\u00f5es ao administrador. O GNU pies tamb\u00e9m pode ser utilizado como um processo init, iniciado primeiro durante a inicializa\u00e7\u00e3o do sistema, e suporta o formato \/etc\/inittab. <\/p>\n

Na nova vers\u00e3o do GNU Pies, o m\u00e9todo de trabalho com arquivos de configura\u00e7\u00e3o foi alterado. O pr\u00e9-processador embutido foi removido, e cada arquivo indicado nas express\u00f5es \u2018#include\u2019 e \u2018#include_once\u2019 agora \u00e9 processado separadamente por um pr\u00e9-processador externo (anteriormente, o pr\u00e9-processador embutido primeiro expandia todas as substitui\u00e7\u00f5es \u2018#include\u2019 e, em seguida, o resultado era processado pelo pr\u00e9-processador externo m4 como um todo). Novas express\u00f5es de diagn\u00f3stico \u2018#warning \u2018TEXT\u2019\u2019, \u2018#error \u2018TEXT\u2019\u2019, e \u2018#abend \u2018TEXT\u2019\u2019 foram adicionadas para gerar avisos e relat\u00f3rios de erros. <\/p>\n

Tamb\u00e9m se destaca o lan\u00e7amento do conjunto GNU mailutils 3.14, que oferece bibliotecas e utilit\u00e1rios para realizar diversas tarefas relacionadas a e-mails, como a an\u00e1lise de campos em mensagens, manipula\u00e7\u00e3o de bancos de dados de e-mail (mailbox, maildrop, maildir), filtragem de mensagens, extra\u00e7\u00e3o de endere\u00e7os de e-mail e URLs, processamento de blocos MIME, extra\u00e7\u00e3o de cartas de fontes externas servidores<\/a> usando os protocolos IMAP4 e POP3 e o envio de e-mails por meio do protocolo SMTP, incluindo o uso de TLS, SASL e GSSAPI. <\/p>\n

Na nova vers\u00e3o do GNU mailutils, o suporte a TLS foi totalmente reescrito. Foi adicionada a configura\u00e7\u00e3o tls.handshake-timeout para definir um tempo limite para TLS. A fun\u00e7\u00e3o mu_mailbox_append_message_ext foi adicionada para anexar uma mensagem a um mailbox. O utilit\u00e1rio mail agora inclui o comando unread (U) para remover a marca de leitura da mensagem, e nos comandos de c\u00f3pia para outro mailbox, foi garantida a preserva\u00e7\u00e3o do estado (lido ou n\u00e3o lido). O c\u00f3digo dos analisadores e scanners foi reescrito, e agora s\u00e3o necess\u00e1rios o GNU bison e o flex para a compila\u00e7\u00e3o. Foi adicionada a possibilidade de incluir tipos mime na biblioteca libmailutils. No Maildir e MH, a reflex\u00e3o das informa\u00e7\u00f5es do remetente, transmitidas no comando \u2018MAIL FROM\u2019 durante a sess\u00e3o SMTP, nos cabe\u00e7alhos X-Envelope-Sender e X-Envelope-Date foi interrompida; em vez disso, esses dados s\u00e3o agora armazenados nos cabe\u00e7alhos Return-Path e Received.
\n
Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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