{"id":853,"date":"2013-02-26T20:53:48","date_gmt":"2013-02-26T18:53:48","guid":{"rendered":"http:\/\/blog.nebule.org\/?p=853"},"modified":"2016-03-29T19:03:45","modified_gmt":"2016-03-29T17:03:45","slug":"openbsd-echo-off","status":"publish","type":"post","link":"https:\/\/blog.nebule.org\/?p=853","title":{"rendered":"OpenBSD echo off"},"content":{"rendered":"<p style=\"text-align: justify;\">Sous OpenBSD, c&rsquo;est <em>ksh<\/em> par d\u00e9faut et non <em>bash<\/em>.<\/p>\n<p style=\"text-align: justify;\">Or la fonction <em>read<\/em> de <em>ksh<\/em> n&rsquo;a pas d&rsquo;option pour demander une saisie au clavier sans afficher ce que l&rsquo;on tape, le retour clavier. C&rsquo;est g\u00eanant pour la saisie d&rsquo;un mot de passe par exemple. De son c\u00f4t\u00e9, la fonction <em>read<\/em> de <em>bash<\/em> l&rsquo;accepte sous cette forme :<\/p>\n<p style=\"text-align: justify;\"><code>read -s -p \"password\" variable<\/code><\/p>\n<p style=\"text-align: justify;\">Sous <em>ksh<\/em>, nous pouvons cependant pr\u00e9alablement d\u00e9sactiver le retour clavier, demander le mot de passe, et enfin r\u00e9activer le retour clavier. Comme ceci :<\/p>\n<p style=\"text-align: justify;\"><code>stty -echo<br \/>\nread variable<br \/>\nstty echo<\/code><\/p>\n<p style=\"text-align: justify;\">Ca \u00e9vite d&rsquo;installer <em>bash<\/em> pour si peu&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sous OpenBSD, c&rsquo;est ksh par d\u00e9faut et non bash. Or la fonction read de ksh n&rsquo;a pas d&rsquo;option pour demander une saisie au clavier sans afficher ce que l&rsquo;on tape, le retour clavier. C&rsquo;est g\u00eanant pour la saisie d&rsquo;un mot de passe par exemple. De son c\u00f4t\u00e9, la fonction read de bash l&rsquo;accepte sous cette &hellip; <a href=\"https:\/\/blog.nebule.org\/?p=853\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">OpenBSD echo off<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.nebule.org\/index.php?rest_route=\/wp\/v2\/posts\/853"}],"collection":[{"href":"https:\/\/blog.nebule.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.nebule.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.nebule.org\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.nebule.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=853"}],"version-history":[{"count":1,"href":"https:\/\/blog.nebule.org\/index.php?rest_route=\/wp\/v2\/posts\/853\/revisions"}],"predecessor-version":[{"id":2292,"href":"https:\/\/blog.nebule.org\/index.php?rest_route=\/wp\/v2\/posts\/853\/revisions\/2292"}],"wp:attachment":[{"href":"https:\/\/blog.nebule.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.nebule.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.nebule.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}