{"id":103806,"date":"2022-04-17T09:37:22","date_gmt":"2022-04-17T07:37:22","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-utility-dlya-sinhronizaczii-fajlov-rsync-3-2-4"},"modified":"2022-04-17T09:37:22","modified_gmt":"2022-04-17T07:37:22","slug":"vypusk-utility-dlya-sinhronizaczii-fajlov-rsync-3-2-4","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/vypusk-utility-dlya-sinhronizaczii-fajlov-rsync-3-2-4","title":{"rendered":"Rilascio dell'utilit\u00e0 per la sincronizzazione dei file Rsync 3.2.4","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Dopo un anno e mezzo di sviluppo, \u00e8 disponibile la versione Rsync 3.2.4, uno strumento per la sincronizzazione dei file e il backup, che permette di ridurre il traffico grazie alla copia incrementale delle modifiche. Possono essere utilizzati come trasporto ssh, rsh o il protocollo rsync stesso. \u00c8 supportata l'organizzazione del lavoro di server rsync anonimi, ideali per garantire la sincronizzazione dei mirror. Il codice del progetto \u00e8 distribuito sotto licenza GPLv3.    <\/p>\n<p>Tra le modifiche aggiunte:  <\/p>\n<ul>\n<li class=\"l\"> \u00c8 stato proposto un nuovo metodo per proteggere gli argomenti della riga di comando, simile all'opzione precedentemente disponibile &#171;&#8212;protect-args&#187; (&#171;-s&#187;), ma che non interrompe il funzionamento dello script rrsync (rsync ristretto). La protezione consiste nell'escapare i caratteri speciali, inclusi gli spazi, durante la trasmissione delle richieste a un interprete di comandi esterno. Il nuovo metodo non esegue l'escape dei caratteri speciali all'interno di un blocco racchiuso tra virgolette, il che consente di utilizzare una semplice delimitazione del nome del file con le virgolette senza ulteriore escapamento; ad esempio, ora \u00e8 consentito il comando &#171;rsync -aiv host:&#8217;a simple file.pdf&#8217; .&#187;. Per ripristinare il comportamento precedente, \u00e8 stata proposta l'opzione &#171;&#8212;old-args&#187; e la variabile d'ambiente &#171;RSYNC_OLD_ARGS=1&#187;.\n<li class=\"l\"> \u00c8 stato risolto un problema storico con il trattamento dei caratteri della virgola decimale in base alla locale corrente (&#171;,&#187; invece di &#171;.&#187;). Per gli script progettati per gestire solo il carattere &#171;.&#187; nei numeri, in caso di incompatibilit\u00e0 \u00e8 possibile impostare la locale su &#171;C&#187;.\n<li class=\"l\"> \u00c8 stata corretta una vulnerabilit\u00e0 (CVE-2018-25032) nel codice incluso della libreria zlib, che porta a un buffer overflow durante il tentativo di compressione di una sequenza di caratteri appositamente preparata.\n<li class=\"l\"> \u00c8 stata implementata l'opzione &#171;&#8212;fsync&#187; che chiama la funzione fsync() ad ogni operazione su un file per svuotare la cache del disco.\n<li class=\"l\"> Nello script rsync-ssl \u00e8 stata attivata l'opzione &#171;-verify_hostname&#187; durante la chiamata a openssl.\n<li class=\"l\"> \u00c8 stata aggiunta l'opzione &#171;&#8212;copy-devices&#187; per copiare i file dei dispositivi come file normali.\n<li class=\"l\"> \u00c8 stato ridotto il consumo di memoria durante la trasmissione incrementale di un gran numero di piccoli cataloghi.\n<li class=\"l\"> Sulla piattaforma macOS \u00e8 stata garantita la funzionalit\u00e0 dell'opzione &#171;&#8212;atimes&#187;.\n<li class=\"l\"> \u00c8 stata realizzata la possibilit\u00e0 di aggiornare gli attributi xattrs per i file in modalit\u00e0 sola lettura, se l'utente ha i permessi per cambiare i diritti di accesso (ad esempio, quando esegue con privilegi di root).\n<li class=\"l\"> \u00c8 stato aggiunto e abilitato per default il parametro &#171;&#8212;info=NONREG&#187; per la visualizzazione di avvertenze sulle trasmissioni di file speciali.\n<li class=\"l\"> Lo script rrsync (rsync ristretto) \u00e8 stato riscritto in Python. Sono state aggiunte nuove opzioni &#171;-munge&#187;, &#171;-no-lock&#187; e &#171;-no-del&#187;. Per impostazione predefinita, \u00e8 stata abilitata la blocco delle opzioni &#171;&#8212;copy-links&#187; (-L), &#171;&#8212;copy-dirlinks&#187; (-k) e &#171;&#8212;keep-dirlinks&#187; (-K) per complicare l'esecuzione di attacchi che manipolano i collegamenti simbolici alle directory.\n<li class=\"l\"> Lo script atomic-rsync \u00e8 stato riscritto in Python ed \u00e8 stato ampliato con la possibilit\u00e0 di ignorare i codici di uscita non nulli. Di default, viene ignorato il codice 24, emesso quando i file scompaiono durante l'esecuzione di rsync (ad esempio, il codice 24 viene restituito per i file temporanei che erano presenti durante l'indicizzazione iniziale, ma sono stati eliminati al momento del trasferimento).\n<li class=\"l\"> Lo script munge-symlinks \u00e8 stato riscritto in Python.    <\/ul>\n<\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57033\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u043f\u043e\u043b\u0443\u0442\u043e\u0440\u0430 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0440\u0435\u043b\u0438\u0437 Rsync 3.2.4, \u0443\u0442\u0438\u043b\u0438\u0442\u044b \u0434\u043b\u044f \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0444\u0430\u0439\u043b\u043e\u0432 \u0438 \u0440\u0435\u0437\u0435\u0440\u0432\u043d\u043e\u0433\u043e \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0439 \u043c\u0438\u043d\u0438\u043c\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0442\u0440\u0430\u0444\u0438\u043a \u0437\u0430 \u0441\u0447\u0451\u0442 \u0438\u043d\u043a\u0440\u0435\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439. \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0442\u0440\u0430\u043d\u0441\u043f\u043e\u0440\u0442\u0430 \u043c\u043e\u0433\u0443\u0442 \u0431\u044b\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u044b ssh, rsh \u0438\u043b\u0438 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0439 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b rsync. \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0430\u043d\u043e\u043d\u0438\u043c\u043d\u044b\u0445 rsync-\u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432, \u043e\u043f\u0442\u0438\u043c\u0430\u043b\u044c\u043d\u043e \u043f\u043e\u0434\u0445\u043e\u0434\u044f\u0449\u0438\u0445 \u0434\u043b\u044f \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0437\u0435\u0440\u043a\u0430\u043b. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \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 GPLv3. \u0421\u0440\u0435\u0434\u0438 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439: [&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-103806","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u043f\u043e\u043b\u0443\u0442\u043e\u0440\u0430 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0440\u0435\u043b\u0438\u0437 Rsync 3.2.4, \u0443\u0442\u0438\u043b\u0438\u0442\u044b \u0434\u043b\u044f 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