{"id":3271,"date":"2019-10-09T09:26:58","date_gmt":"2019-10-09T01:26:58","guid":{"rendered":"https:\/\/www.webteach.tw\/?p=3271"},"modified":"2019-10-09T09:26:58","modified_gmt":"2019-10-09T01:26:58","slug":"shell_exec","status":"publish","type":"post","link":"https:\/\/www.webteach.tw\/?p=3271","title":{"rendered":"[ PHP ] &#8211; shell_exec() show error message and how to fix error message:sudo no tty present and no askpass program specified"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u6700\u8fd1\u5e38\u9700\u8981\u7528php\u53bb\u547c\u53ebshell script, \u5728command line \u57f7\u884c\u662f\u6c92\u554f\u984c\u7684\uff0c\u4f46\u7528shell_exec()\u53bb\u547c\u53eb\u4e00\u76f4\u5931\u6557\uff0c\u76f4\u63a5\u7528var_dump\u56de\u7684\u4e5f\u53ea\u662fnull\uff0c\u5f8c\u4f86\u67e5\u4e00\u4e0b\u624d\u77e5\u56denull\u662f\u6b63\u5e38\u7684\u56e0\u70ba\u6211\u6c92\u6709\u62cb\u51fashell script\u7684\u932f\u8aa4\u8a0a\u606f\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u8209\u4f8b\uff1a\u6211\u8981\u547c\u53eb\u67d0\u96bb abc.sh <br \/>\necho shell_exec(&#8216;sudo abc.sh&#8217;);<br \/>\n\u986f\u793a\u7d50\u679c NULL<\/p>\n\n\n<p class=\"wp-block-paragraph\">echo shell_exec(&#8216;sudo abc.sh 2&gt;&amp;1&#8217;);<br \/>\n\u986f\u793a\u7d50\u679c sudo no tty present and no askpass program specified<br \/>\n\u5594\u5594\uff01\u57f7\u884c\u7a0b\u5f0f\u9700\u8981\u8f38\u5165\u5bc6\u78bc<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u89e3\u6cd5\u900f\u904e\u514d\u8f38\u5165\u5bc6\u78bc\u4f86\u89e3\u6c7a\uff1a<br \/>\n\u6307\u4ee4\uff1asudo visudo<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u52a0\u5165\u4ee5\u4e0b\u5167\u5bb9<br \/>\napache ALL=(ALL) NOPASSWD: \/bin\/sh, \/home\/jeff\/w.sh<br \/>\nwww-data ALL=(ALL) NOPASSWD: \/bin\/sh, \/home\/jeff\/w.sh<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u8a3b\uff1a\u6bcf\u500b\u53c3\u6578\u4e2d\u9593 \u4ee5\u4e00\u500b\u7a7a\u767d \u9694\u958b\u5373\u53ef<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\t\t\t\t\u6700\u8fd1\u5e38\u9700\u8981\u7528php\u53bb\u547c\u53ebshell script, \u5728command line \u57f7\u884c\u662f\u6c92\u554f\u984c\u7684\uff0c\u4f46\u7528shell_exec()\u53bb\u547c\u53eb\u4e00\u76f4\u5931\u6557\uff0c\u76f4\u63a5\u7528var_dump\u56de\u7684\u4e5f\u53ea\u662fnull\uff0c\u5f8c\u4f86\u67e5\u4e00\u4e0b\u624d\u77e5\u56denull\u662f\u6b63\u5e38\u7684\u56e0\u70ba\u6211\u6c92\u6709\u62cb\u51fashell script\u7684\u932f\u8aa4\u8a0a\u606f\u3002\t\t<\/p>\n","protected":false},"author":1,"featured_media":2201,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32,36],"tags":[370,448,512],"class_list":["post-3271","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux","category-php","tag-linux","tag-php","tag-shell_exec","hvn-theme-has-thumbnail"],"_links":{"self":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts\/3271","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3271"}],"version-history":[{"count":0,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts\/3271\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/media\/2201"}],"wp:attachment":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3271"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3271"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3271"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}