{"id":35858,"date":"2019-10-31T22:07:13","date_gmt":"2019-10-31T19:07:13","guid":{"rendered":"https:\/\/prohoster.info\/blog\/odin-iz-razrabotchikov-microsoft-schitaet-chto-reactos-ne-mog-obojtis-bez-zaimstvovaniya-koda-windows\/"},"modified":"2019-10-31T22:07:13","modified_gmt":"2019-10-31T19:07:13","slug":"odin-iz-razrabotchikov-microsoft-schitaet-chto-reactos-ne-mog-obojtis-bez-zaimstvovaniya-koda-windows","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/odin-iz-razrabotchikov-microsoft-schitaet-chto-reactos-ne-mog-obojtis-bez-zaimstvovaniya-koda-windows","title":{"rendered":"Um dos desenvolvedores da Microsoft acredita que o ReactOS n\u00e3o poderia ter sido desenvolvido sem plagiar o c\u00f3digo do Windows","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Axel Rietschin, engenheiro da Microsoft que trabalha no desenvolvimento do n\u00facleo Windows, questionou<\/a><\/noindex> a possibilidade de desenvolver um sistema operacional como o ReactOS sem copiar c\u00f3digo do Windows. Segundo ele, os desenvolvedores do ReactOS usaram c\u00f3digo do n\u00facleo do Windows Research, cujos c\u00f3digos fonte foram licenciados para universidades. Vazamentos desse c\u00f3digo foram publicados em v\u00e1rios lugares, incluindo no GitHub.<\/p>\n

Rietschin est\u00e1 convicto de que \u00e9 fisicamente imposs\u00edvel escrever o n\u00facleo do ReactOS do zero, como ele \u00e9 atualmente, usando apenas a documenta\u00e7\u00e3o p\u00fablica dispon\u00edvel. Em particular, os nomes das estruturas internas e fun\u00e7\u00f5es no n\u00facleo do ReactOS coincidem com os nomes correspondentes no n\u00facleo do Windows Research, enquanto esses nomes n\u00e3o s\u00e3o exportados na constru\u00e7\u00e3o e n\u00e3o aparecem em nenhum lugar, exceto no c\u00f3digo original. O mesmo se aplica aos nomes de macros e par\u00e2metros, cujos nomes n\u00e3o podem ser reproduzidos com precis\u00e3o sem consultar o c\u00f3digo original do Windows.<\/p>\n

Lembramos que em 2006, no ReactOS, foi identificado<\/a><\/noindex> o uso de cerca de 100 linhas de c\u00f3digo em assembler, obtidas por meio da descompila\u00e7\u00e3o do Windows. Ap\u00f3s isso, o desenvolvimento foi suspenso por cerca de um m\u00eas para realizar uma auditoria das poss\u00edveis sobreposi\u00e7\u00f5es. Desde ent\u00e3o, os desenvolvedores do ReactOS t\u00eam especialmente cuidado ao verificar os c\u00f3digos fonte propostos para inclus\u00e3o no projeto. <\/p>\n

Ao realizar engenharia reversa para cumprir a legisla\u00e7\u00e3o dos EUA sobre direitos autorais, o projeto ReactOS aplica um esquema duplo, onde um pesquisador analisa o funcionamento e, com base nisso, elabora a documenta\u00e7\u00e3o, enquanto um outro desenvolvedor, baseado nessa documenta\u00e7\u00e3o, cria uma nova implementa\u00e7\u00e3o para o ReactOS. N\u00e3o se pode descartar a possibilidade de que, na fase de an\u00e1lise, foram utilizados c\u00f3digos fonte do Windows obtidos por vazamentos, e que nomes de fun\u00e7\u00f5es e estruturas correspondentes tenham sido refletidos na documenta\u00e7\u00e3o elaborada, mas na metodologia de desenvolvimento aplicada no ReactOS, a implementa\u00e7\u00e3o ser\u00e1 completamente diferente e criada do zero.<\/p>\n

Al\u00e9m disso, j\u00e1 eram<\/a><\/noindex> fatos<\/a><\/noindex> publica\u00e7\u00f5es sobre a neglig\u00eancia na montagem dos n\u00facleos NT e W2K com informa\u00e7\u00f5es de depura\u00e7\u00e3o n\u00e3o limpas, incluindo dados sobre nomes de vari\u00e1veis internas. Muitos nomes de estruturas e fun\u00e7\u00f5es tamb\u00e9m s\u00e3o fornecidos em arquivos de cabe\u00e7alho que fazem parte do SDK\/DDK, e a estrutura das chamadas de sistema pode ser definida atrav\u00e9s da an\u00e1lise de componentes como o tempo de execu\u00e7\u00e3o do COM. Sem a limpeza das tabelas de s\u00edmbolos, nomes frequentemente s\u00e3o publicados em atualiza\u00e7\u00f5es hotfix. Al\u00e9m disso, alguns programas e drivers para Windows utilizam chamadas n\u00e3o documentadas e n\u00e3o p\u00fablicas, e muitas funcionalidades ocultas do Windows surgem durante a adapta\u00e7\u00e3o de inicializa\u00e7\u00f5es em sistemas de virtualiza\u00e7\u00e3o e emuladores.<\/p>\n

Os desenvolvedores do ReactOS puderam usar esses componentes durante o processo de engenharia reversa.<\/p>\n

\r\n \"Por\r\n
<\/div>\r\n <\/div><\/center><\/p>\n

<\/a><\/noindex><\/p>\n

Fonte: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0410\u043a\u0441\u0435\u043b\u044c \u0420\u0438\u0442\u0447\u0435\u043d (Axel Rietschin), \u0438\u043d\u0436\u0435\u043d\u0435\u0440 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Microsoft, \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u044f\u0434\u0440\u0430 Windows, \u043f\u043e\u0441\u0442\u0430\u0432\u0438\u043b \u043f\u043e\u0434 \u0441\u043e\u043c\u043d\u0435\u043d\u0438\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b ReactOS \u0431\u0435\u0437 \u0437\u0430\u0438\u043c\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0438\u044f \u043a\u043e\u0434\u0430 \u0438\u0437 Windows. \u041f\u043e \u0435\u0433\u043e \u043c\u043d\u0435\u043d\u0438\u044e \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 ReactOS \u0432\u043e\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b\u0438\u0441\u044c \u043a\u043e\u0434\u043e\u043c \u0438\u0437 \u044f\u0434\u0440\u0430 Windows Research, \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u0435 \u0442\u0435\u043a\u0441\u0442\u044b \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0440\u043e\u0432\u0430\u043b\u0438\u0441\u044c \u0434\u043b\u044f \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442\u043e\u0432. \u0423\u0442\u0435\u0447\u043a\u0438 \u0434\u0430\u043d\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0438\u0441\u044c \u0432 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u043c\u0435\u0441\u0442\u0430\u0445, \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u043d\u0430 GitHub. \u0420\u0438\u0442\u0447\u0435\u043d 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