{"description":"setsuid \u3067\u5b9f\u884c\u30e6\u30fc\u30b6\u304c\u56fa\u5b9a\u3067\u304d\u308b\u3063\u3066\u306e\u306f\u3069\u3053\u307e\u3067\uff1f \u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3063\u3066suid\u3067\u304d\u306a\u304b\u3063\u305f\u3088\u306d\u3002\u3068\u3044\u3046\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u307f\u308b\u3002 suid\u3092\u8a66\u3057\u3066\u307f\u308b\u3002 \u307e\u305a\u306f\u3001suid \u3092\u7d20\u76f4\u306b\u8a66\u3057\u3066\u307f\u308b\u3053\u3068\u306b\u3059\u308b\u3002 \u5b9f\u884c\u53ef\u80fd\u306a\u30d0\u30a4\u30ca\u30ea\u3092\u6e96\u5099\u3059\u308b\u3002 #include <pwd.h> #include <stdint.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <errno.h> int main ( char** args, int argc ){ printf(\"user is %s\\n\", getlog\u2026","title":"setsuid \u3067\u5b9f\u884c\u30e6\u30fc\u30b6\u304c\u56fa\u5b9a\u3067\u304d\u308b\u3063\u3066\u306e\u306f\u3069\u3053\u307e\u3067\uff1f\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u306fsuid\u3067\u304d\u308b\uff1f","blog_url":"https://takuya-1st.hatenablog.jp/","published":"2023-12-13 00:00:00","categories":["linux","\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3"],"image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftakuya-1st.hatenablog.jp%2Fentry%2F2023%2F12%2F13%2F000000\" title=\"setsuid \u3067\u5b9f\u884c\u30e6\u30fc\u30b6\u304c\u56fa\u5b9a\u3067\u304d\u308b\u3063\u3066\u306e\u306f\u3069\u3053\u307e\u3067\uff1f\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u306fsuid\u3067\u304d\u308b\uff1f - \u305d\u308c\u30de\u30b0\u3067\uff01\" 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":"\u305d\u308c\u30de\u30b0\u3067\uff01","provider_name":"Hatena Blog","width":"100%","url":"https://takuya-1st.hatenablog.jp/entry/2023/12/13/000000","author_name":"takuya_1st","provider_url":"https://hatena.blog","type":"rich","height":"190","version":"1.0","author_url":"https://blog.hatena.ne.jp/takuya_1st/"}