{"width":"100%","image_url":null,"provider_name":"Hatena Blog","categories":["Kernel","Linux","Container"],"author_url":"https://blog.hatena.ne.jp/defiant/","height":"190","url":"https://tenforward.hatenablog.com/entry/2019/09/29/021633","type":"rich","version":"1.0","blog_url":"https://tenforward.hatenablog.com/","title":"ping \u30b3\u30de\u30f3\u30c9\u306e file capability\uff081\uff09","published":"2019-09-29 02:16:33","author_name":"defiant","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftenforward.hatenablog.com%2Fentry%2F2019%2F09%2F29%2F021633\" title=\"ping \u30b3\u30de\u30f3\u30c9\u306e file capability\uff081\uff09 - TenForward\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"TenForward","description":"\uff08\u3044\u307e\u3055\u3089\u306e\u304a\u8a71\u3068\u306f\u601d\u3044\u307e\u3059\u304c\u81ea\u5206\u7528\u306e\u30e1\u30e2\u306b\uff09 Linux \u306e Capability\u3001\u4f55\u5ea6\u3082\u7406\u89e3\u3057\u3088\u3046\u3068\u3057\u3066\u5b8c\u5168\u306b\u7406\u89e3\u3067\u304d\u306a\u3044\u307e\u307e\u306a\u3093\u3067\u3059\u304c\u3001\u3061\u3087\u3063\u3068\u3057\u305f\u7406\u7531\u3067 File capability \u3092\u8abf\u3079\u3066\u307e\u3059\u3002\u6700\u8fd1\u306f ambient capability \u306a\u3093\u3066\u306e\u3082\u3042\u3063\u3066\u7406\u89e3\u304c\u9060\u306e\u3044\u3066\u307e\u3059\u3002:-p file capability \u3068\u3044\u3048\u3070\u3001\u307e\u305a\u767b\u5834\u3059\u308b\u306e\u306f\u3053\u306e\u30b3\u30de\u30f3\u30c9\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b?\uff08\u9055\u3046?\uff09 Ubuntu 18.04.3 \u3067\u306f\u6b21\u306e\u3088\u3046\u306b setuid \u3055\u308c\u3066\u3044\u307e\u3059\u3002file capability \u306f\u7279\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002 $ ls -l /bin/ping -rwsr-xr-x 1 ro\u2026"}