{"id":453,"date":"2016-09-01T15:00:24","date_gmt":"2016-09-01T07:00:24","guid":{"rendered":"http:\/\/www.5x44.cn\/?p=453"},"modified":"2016-12-01T15:27:19","modified_gmt":"2016-12-01T07:27:19","slug":"%e7%94%a8%e6%88%b7%e6%a0%87%e7%a4%ba%e7%ac%a6","status":"publish","type":"post","link":"https:\/\/www.5x44.cn\/?p=453","title":{"rendered":"\u7528\u6237\u6807\u793a\u7b26"},"content":{"rendered":"<p>\u4efb\u4f55\u8fdb\u7a0b\u90fd\u80fd\u627e\u5230\u5b83\u7684\u771f\u5b9e\u3001\u6709\u6548ID\u548c\u7ec4ID\u3002\u6709\u65f6\uff0c\u6211\u4eec\u60f3\u627e\u51fa\u7a0b\u5e8f\u662f\u54ea\u4e2a\u7528\u6237\u8fd0\u884c\u7684\u3002\u8fd9\u65f6\u53ef\u4ee5\u8c03\u7528<span style=\"color: #993300;\">getpwuid(getuid())<\/span>\uff0c\u4f46\u662f\u5f53\u4e00\u4e2a\u7528\u6237\u6709\u591a\u4e2a\u767b\u9646\u540d\uff08\u4e00\u4e2a\u7528\u6237\u5728passwd\u6587\u4ef6\u4e2d\u6709\u591a\u6761\u8bb0\u5f55\u90fd\u4f7f\u7528\u540c\u4e00\u4e2aUID\uff0c\u7528\u4e8e\u4f7f\u7528\u4e0d\u540c\u7684shell\u767b\u9646\u6bcf\u4e2a\u7528\u6237\uff09\u65f6\u4f1a\u53d1\u751f\u4ec0\u4e48\uff1f\u90a3\u4e48\u7cfb\u7edf\u4f1a\u8ffd\u8e2a\u767b\u9646\u540d\uff0c\u5e76\u5c1d\u8bd5\u7528getlogin\u51fd\u6570\u627e\u5230\u767b\u9646\u540d\u3002<\/p>\n<table class=\"allBorders\" border=\"1\" rules=\"none\" cellspacing=\"0\" cellpadding=\"5\">\n<tbody>\n<tr>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<pre>#include &lt;unistd.h&gt;\r\n\r\nchar *getlogin(void);\r\n<\/pre>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"docTableCell\" align=\"right\" valign=\"top\">\n<p class=\"docText\">Returns: pointer to string giving login name if OK, <tt>NULL<\/tt> on error<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5982\u679c\u8fdb\u7a0b\u6ca1\u6709\u4f9d\u9644\u5230\u7528\u6237\u767b\u9646\u5230\u7684\u7ec8\u7aef\u4e0a\uff0c\u8fd9\u4e2a\u7a0b\u5e8f\u4f1a\u5931\u6548\u3002\u901a\u5e38\u79f0\u8fd9\u79cd\u8fdb\u7a0b\u4e3a<em>daemon\uff08\u5b88\u62a4\u8fdb\u7a0b\uff09\u3002<\/em><\/p>\n<p>\u5f97\u5230\u4e86\u767b\u9646\u7528\u6237\u540d\uff0c\u8fd9\u65f6\u5c31\u53ef\u4ee5\u5728passwd\u6587\u4ef6\u4e2d\u627e\u5230\u5b83\u7684\u767b\u9646shell\uff0c\u4f8b\u5982\u4f7f\u7528<span style=\"color: #993300;\">getpwnam<\/span>\u3002<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4efb\u4f55\u8fdb\u7a0b\u90fd\u80fd\u627e\u5230\u5b83\u7684\u771f\u5b9e\u3001\u6709\u6548ID\u548c\u7ec4ID\u3002\u6709\u65f6\uff0c\u6211\u4eec\u60f3\u627e\u51fa\u7a0b\u5e8f\u662f\u54ea\u4e2a\u7528\u6237\u8fd0\u884c\u7684\u3002\u8fd9\u65f6\u53ef\u4ee5\u8c03\u7528getpwuid(getuid())\uff0c\u4f46\u662f\u5f53\u4e00\u4e2a\u7528\u6237\u6709\u591a\u4e2a\u767b\u9646\u540d\uff08&#8230;<\/p>\n<p class=\"read-more\"><a class=\"btn btn-default\" href=\"https:\/\/www.5x44.cn\/?p=453\"> Read More<span class=\"screen-reader-text\">  Read More<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-453","post","type-post","status-publish","format-standard","hentry","category-apue"],"_links":{"self":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/453","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=453"}],"version-history":[{"count":1,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/453\/revisions"}],"predecessor-version":[{"id":454,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/453\/revisions\/454"}],"wp:attachment":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}