{"id":30423,"date":"2023-02-26T09:55:06","date_gmt":"2022-12-18T15:33:39","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8php%e7%9a%84setuidgid\/"},"modified":"2025-08-12T19:07:07","modified_gmt":"2025-08-12T11:07:07","slug":"%e4%bd%bf%e7%94%a8php%e7%9a%84setuidgid","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8php%e7%9a%84setuidgid\/","title":{"rendered":"\u4f7f\u7528PHP\u7684setuidgid"},"content":{"rendered":"<p>\u4f7f\u7528PHP\u8fd0\u884csetuidgid.php\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span>\r\n<span class=\"cm\">\/*\r\n * example)\r\n *   sudo php setuidgid.php apache test.php\r\n *\r\n *\/<\/span>\r\n\r\n<span class=\"k\">try<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$argc<\/span> <span class=\"o\">&lt;=<\/span> <span class=\"mi\">2<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"nv\">$name<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">basename<\/span><span class=\"p\">(<\/span><span class=\"k\">__FILE__<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">RuntimeException<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"Usage: php <\/span><span class=\"nv\">$name<\/span><span class=\"s2\"> &lt;user&gt; &lt;script.php&gt;\"<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"k\">list<\/span> <span class=\"p\">(,<\/span> <span class=\"nv\">$user<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$script<\/span><span class=\"p\">)<\/span> <span class=\"o\">=<\/span>  <span class=\"nv\">$argv<\/span><span class=\"p\">;<\/span>\r\n\r\n    <span class=\"nb\">call_user_func<\/span><span class=\"p\">(<\/span><span class=\"k\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n\r\n        <span class=\"k\">global<\/span> <span class=\"nv\">$user<\/span><span class=\"p\">;<\/span>\r\n\r\n        <span class=\"nv\">$uid<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">posix_getuid<\/span><span class=\"p\">();<\/span>\r\n\r\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$uid<\/span> <span class=\"o\">!==<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"p\">{<\/span>\r\n            <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">RuntimeException<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"setuidgid is only root\"<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"p\">}<\/span>\r\n\r\n        <span class=\"nv\">$nam<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">posix_getpwnam<\/span><span class=\"p\">(<\/span><span class=\"nv\">$user<\/span><span class=\"p\">);<\/span>\r\n\r\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"nv\">$nam<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"p\">{<\/span>\r\n            <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">RuntimeException<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"unkonwn user <\/span><span class=\"se\">\\\"<\/span><span class=\"nv\">$user<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">\"<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"p\">}<\/span>\r\n\r\n        <span class=\"nv\">$uid<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$nam<\/span><span class=\"p\">[<\/span><span class=\"s1\">'uid'<\/span><span class=\"p\">];<\/span>\r\n        <span class=\"nv\">$gid<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$nam<\/span><span class=\"p\">[<\/span><span class=\"s1\">'gid'<\/span><span class=\"p\">];<\/span>\r\n\r\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"nb\">posix_setgid<\/span><span class=\"p\">(<\/span><span class=\"nv\">$gid<\/span><span class=\"p\">))<\/span>\r\n        <span class=\"p\">{<\/span>\r\n            <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">RuntimeException<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"unable setgid(<\/span><span class=\"nv\">$gid<\/span><span class=\"s2\">)\"<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"p\">}<\/span>\r\n\r\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"nb\">posix_setegid<\/span><span class=\"p\">(<\/span><span class=\"nv\">$gid<\/span><span class=\"p\">))<\/span>\r\n        <span class=\"p\">{<\/span>\r\n            <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">RuntimeException<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"unable setegid(<\/span><span class=\"nv\">$gid<\/span><span class=\"s2\">)\"<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"p\">}<\/span>\r\n\r\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"nb\">posix_setuid<\/span><span class=\"p\">(<\/span><span class=\"nv\">$uid<\/span><span class=\"p\">))<\/span>\r\n        <span class=\"p\">{<\/span>\r\n            <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">RuntimeException<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"unable setuid(<\/span><span class=\"nv\">$uid<\/span><span class=\"s2\">)\"<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"p\">}<\/span>\r\n\r\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"nb\">posix_seteuid<\/span><span class=\"p\">(<\/span><span class=\"nv\">$uid<\/span><span class=\"p\">))<\/span>\r\n        <span class=\"p\">{<\/span>\r\n            <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">RuntimeException<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"unable seteuid(<\/span><span class=\"nv\">$uid<\/span><span class=\"s2\">)\"<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"p\">}<\/span>\r\n    <span class=\"p\">});<\/span>\r\n\r\n    <span class=\"k\">require_once<\/span> <span class=\"nv\">$script<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"k\">catch<\/span> <span class=\"p\">(<\/span><span class=\"nc\">Exception<\/span> <span class=\"nv\">$ex<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"nb\">fputs<\/span><span class=\"p\">(<\/span><span class=\"no\">STDERR<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$ex<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">getMessage<\/span><span class=\"p\">()<\/span> <span class=\"mf\">.<\/span> <span class=\"kc\">PHP_EOL<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">exit<\/span><span class=\"p\">(<\/span><span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528PHP\u8fd0\u884csetuidgid.php\u3002 &lt;?php \/* * example) * sudo php [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30423","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u4f7f\u7528PHP\u7684setuidgid - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" 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