{"id":13782,"date":"2020-08-13T06:54:40","date_gmt":"2020-08-12T21:54:40","guid":{"rendered":"https:\/\/its-more.jp\/ja_jp\/?p=13782"},"modified":"2020-08-20T09:36:49","modified_gmt":"2020-08-20T00:36:49","slug":"%e7%b6%9a%e3%80%85%e3%80%85%e3%80%85%e3%80%85%e7%b6%9agshell-%e5%8b%95%e7%9a%84%e3%83%aa%e3%83%b3%e3%82%af","status":"publish","type":"post","link":"https:\/\/its-more.jp\/ja_jp\/?p=13782","title":{"rendered":"\u7d9a\u3005\u3005\u3005\u3005\u7d9aGShell \u2212 \u52d5\u7684\u30ea\u30f3\u30af"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"432\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-14.01.03-1024x432.png\" alt=\"\" class=\"wp-image-13847\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-14.01.03-1024x432.png 1024w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-14.01.03-300x126.png 300w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-14.01.03-768x324.png 768w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-14.01.03-1536x648.png 1536w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-14.01.03.png 2009w\" sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<p>\u958b\u767a\uff1a\u3055\u3066\u4eca\u65e5\u306f\u3001GShell\u306e\u52d5\u7684\u30ea\u30f3\u30af\u6a5f\u80fd\u306b\u30c1\u30e3\u30ec\u30f3\u30b8\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u793e\u9577\uff1a<a href=\"https:\/\/its-more.jp\/ja_jp\/?p=11109\">\u30bf\u30a4\u30e0\u30b9\u30ea\u30c3\u30d1<\/a>\u3067\u3084\u3063\u3066\u305f\u306e\u304c\u3061\u3087\u3046\u3069\u4e00\u30f6\u6708\u524d\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u305d\u308c\u304c\u3082\u3046\u3001\u6050\u308d\u3057\u3044\u304f\u3089\u3044\u306b\u4f55\u3082\u899a\u3048\u3066\u306a\u3044\u306e\u3067\u3059\u304c\u3001\u30d6\u30ed\u30b0\u3068\u3001\u6b8b\u3055\u308c\u305f\u30b3\u30fc\u30c9\u3092\u983c\u308a\u306b\u3057\u3066\u884c\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u57fa\u76e4\uff1a\u4e00\u30f6\u6708\u524d\u3068\u3044\u3046\u3068\u3042\u306e\u8840\u67d3\u3081\u306e\u5e30\u5b85\u306e\u9803\u3067\u3059\u304c\u3001\u3042\u306e\u6642\u8133\u9707\u76ea\u3067\u8a18\u61b6\u304c\u98db\u3093\u3060\u3068\u304b\uff1f<\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u305d\u308c\u3067\u307e\u305a\u3001<a href=\"https:\/\/stackoverflow.com\/questions\/1757090\/shared-library-in-go\">Go\u30d7\u30ed\u30b0\u30e9\u30e0\u81ea\u4f53\u3092\u52d5\u7684\u30ea\u30f3\u30af\u30e2\u30fc\u30c9\u3067\u751f\u6210\u3059\u308b<\/a>\u3068\u3044\u3046\u8a71\u304c\u6c17\u306b\u306a\u3063\u3066\u3044\u305f\u306e\u3067\u3053\u308c\u3092\u2026<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"393\" height=\"37\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-7.31.56.png\" alt=\"\" class=\"wp-image-13785\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-7.31.56.png 393w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-7.31.56-300x28.png 300w\" sizes=\"(max-width: 393px) 100vw, 393px\" \/><\/figure>\n\n\n\n<p>\u958b\u767a\uff1a\u305d\u3046\u3067\u3059\u304b\u3002\u3067\u306fLinux\u3067\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"588\" height=\"427\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-7.40.32.png\" alt=\"\" class=\"wp-image-13787\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-7.40.32.png 588w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-7.40.32-300x218.png 300w\" sizes=\"(max-width: 588px) 100vw, 588px\" \/><\/figure><\/div>\n\n\n\n<p>\u793e\u9577\uff1a\u5c0b\u5e38\u3067\u306f\u7121\u3044\u9045\u3055\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u958b\u767a\uff1agshell\u81ea\u4f53\u306b1\u5ea6\u3060\u3051\u52d5\u7684\u30ea\u30f3\u30af\u3057\u3088\u3046\u3068\u3044\u3046\u8a71\u3068\u65b9\u5411\u9055\u3044\u3067\u3059\u304b\u3089\u306d\u3002\u6bce\u56de\u52d5\u7684\u30ea\u30f3\u30af\u3092\u3084\u3063\u3066\u308b\u308f\u3051\u3067\u3002\u307e\u3042\u3067\u3082\u3001macOS\u3060\u30683\u30df\u30ea\u79d2\u306e\u3068\u3053\u308d\u304c\u3001Linux\u306a\u30891\u30df\u30ea\u79d2\u3067\u8d77\u52d5\u3059\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u3055\u3066\u305d\u308c\u3067\u3001\u767a\u6398\u3057\u307e\u3057\u305f\u30bf\u30a4\u30e0\u30b9\u30ea\u30c3\u30d1\u30027\u670813\u65e505:50\u306e\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u306e\u3042\u308blibgasket.so.1 \u3067\u3059\u3002\u3053\u308c\u3092\u304b\u307e\u305b\u3066\u3084\u308b\u30681970\u5e74\u306b\u30bf\u30a4\u30e0\u30b9\u30ea\u30c3\u30d7\u3059\u308b\u306f\u305a\u2026<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"433\" height=\"191\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-8.08.16.png\" alt=\"\" class=\"wp-image-13792\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-8.08.16.png 433w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-8.08.16-300x132.png 300w\" sizes=\"(max-width: 433px) 100vw, 433px\" \/><\/figure><\/div>\n\n\n\n<p>\u958b\u767a\uff1a\u3042\u308c\uff1f<\/p>\n\n\n\n<p>\u57fa\u76e4\uff1a\u3057\u306a\u3044\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u305d\u3046\u3044\u3048\u3070macOS\u306e\u5834\u5408\u306b\u306f\u3001\u30d3\u30eb\u30c9\u6642\u306b\u306a\u306b\u304b\u3084\u308b\u5fc5\u8981\u304c\u3042\u3063\u305f\u3088\u3046\u306a\u2026<\/p>\n\n\n\n<p>\u793e\u9577\uff1a\u3044\u3084\u3001Jan  1 09:10:44  (1970) \u306b\u30b9\u30ea\u30c3\u30d7\u3057\u3066\u308b\u3093\u3067\u306f\u3002<\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u3042\u305d\u3046\u304b\u2026\u3000\/bin\/date\u306f\u52d5\u7684\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u30b9\u30ea\u30c3\u30d7\u3057\u3066\u304f\u308c\u306a\u3044\u3068\u3044\u3046\u8a71\u3067\u3057\u305f\u306d\u3002\u3068\u3044\u3046\u304b\u3001\u3055\u3063\u304d\u304b\u3089 DYLD_ \u8a2d\u5b9a\u3057\u306a\u304f\u3066\u3082\u52dd\u624b\u306b\u30b9\u30ea\u30c3\u30d7\u3059\u308b\u3093\u3067\u3059\u304c\u2026\u3000\u304b\u3068\u601d\u3046\u3068\u4ed6\u306e\u7aef\u672b\u3067\u306f\u305d\u3046\u3044\u3046\u4e8b\u306f\u306a\u3044\u2026<\/p>\n\n\n\n<p>\u793e\u9577\uff1a\u52d5\u7684\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3063\u307d\u3044\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u78ba\u304b\u306b\u3002\u30bf\u30a4\u30e0\u30b9\u30ea\u30c3\u30d1\u7248 gettimeofday \u304c\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u3066\u3044\u308b\u3068\u601d\u308f\u308c\u308b\u3088\u3046\u306a\u75c7\u72b6\u3067\u3059\u2026\u3000\u305d\u3046\u3044\u3048\u3070 DYLD_\u307b\u306b\u3083\u3089\u3089\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u7121\u52b9\u306b\u3059\u308b\u3068\u3044\u3046\u306e\u304c\u3042\u3063\u305f\u3088\u3046\u306a\u2026\u3000man dyld\u3002\u307e\u305a\u306f\u30c8\u30ec\u30fc\u30b9\u3067\u3059\u306d\u3002DYLD_PRINT_LIBRARIES= DYLD_PRINT_BINDINGS= gsh \u30fb\u30fb\u30fb<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"788\" height=\"281\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-8.42.11.png\" alt=\"\" class=\"wp-image-13798\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-8.42.11.png 788w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-8.42.11-300x107.png 300w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-8.42.11-768x274.png 768w\" sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure><\/div>\n\n\n\n<p>\u57fa\u76e4\uff1a\u3046\u308f\u308f\u308f\u2026<\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u767a\u898b\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"788\" height=\"37\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-8.46.07.png\" alt=\"\" class=\"wp-image-13799\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-8.46.07.png 788w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-8.46.07-300x14.png 300w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-8.46.07-768x36.png 768w\" sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure><\/div>\n\n\n\n<p>\u793e\u9577\uff1a\u306a\u308b\u307b\u3069\u3002macOS\u3067\u306f\u52d5\u7684\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u7d30\u5206\u3055\u308c\u3066\u3044\u308b\u3093\u3067\u3059\u3054\u3044\u6570\u3092\u30ed\u30fc\u30c9\u3059\u308b\u3001\u305d\u308c\u3067\u8d77\u52d5\u306b3\u30df\u30ea\u79d2\u3082\u304b\u304b\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u304b\u306d\u3002<\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u3061\u3087\u3063\u3068\u90aa\u9b54\u306a\u306e\u3067dyld\u306e\u51fa\u529b\u306f\u5225\u30d5\u30a1\u30a4\u30eb\u306b\u51fa\u3057\u307e\u3059\u3002 DYLD_PRINT_TO_FILE=dylog\u3002\u3046\u30fc\u3080\u3001\u8d77\u52d5\u3059\u308b\u307e\u3067\u306b120\u30d5\u30a1\u30a4\u30eb\u306e .dyld \u3092\u30ed\u30fc\u30c9\u3057\u3066\u307e\u3059\u30021\u30d5\u30a1\u30a4\u30eb25\u30de\u30a4\u30af\u30ed\u79d2\u3067\u30ed\u30fc\u30c9\u3067\u304d\u3061\u3083\u3063\u3066\u308b\u3068\u2026\u3000\u307e\u3042\u3001\u30aa\u30f3\u30e1\u30e2\u30ea\u3060\u304b\u3089\u306a\u3093\u3067\u3057\u3087\u3046\u3051\u3069\u3002<\/p>\n\n\n\n<p>\u57fa\u76e4\uff1amacos dyld cache clear \u3067\u691c\u7d22\u3002\u3069\u3046\u3082\u5b9f\u4f53\u306f \/private\/var\/db\/dyld \u306e\u4e0b\u306b\u3042\u308a\u307e\u3059\u306d\u3002<a href=\"https:\/\/discussions.apple.com\/thread\/250117852\">1.4GB\u3082\u3042\u308b\u3093\u3060\u304c\u3069\u3046\u3057\u305f\u3089\u3044\u3044\u3093\u3060<\/a>\u307f\u305f\u3044\u306a\u8cea\u554f\u304c\u3002\u3046\u3061\u306eMacMini\u306f\u3069\u3046\u304b\u3068\u8a00\u3046\u3068\u2026<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"669\" height=\"66\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-9.14.05.png\" alt=\"\" class=\"wp-image-13801\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-9.14.05.png 669w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-9.14.05-300x30.png 300w\" sizes=\"(max-width: 669px) 100vw, 669px\" \/><\/figure><\/div>\n\n\n\n<p>\u4e00\u540c\uff1a\uff08\u82e6\u7b11\uff09<\/p>\n\n\n\n<p>\u57fa\u76e4\uff1a\u3067\u3082\u3053\u306e\u4e2d\u306bgasket\u306f\u7121\u3044\u3093\u3067\u3059\u3088\u306d\u3002\u3053\u308c\u306f\u30b7\u30b9\u30c6\u30e0\u306edylib\u5c02\u7528\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u306a\u3093\u3067\u3059\u304b\u306d\uff1f\u3053\u3063\u3061\u306f3\u30f6\u6708\u4f7f\u3063\u3066\u304d\u305fMacMini\u3067\u3059\u304c\u3001\u307e\u3060\u3042\u3093\u307e\u308a\u6d3b\u52d5\u3057\u3066\u306a\u3044 iMac\u306f\u3068\u3044\u3046\u3068\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"669\" height=\"66\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-9.18.01.png\" alt=\"\" class=\"wp-image-13802\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-9.18.01.png 669w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-9.18.01-300x30.png 300w\" sizes=\"(max-width: 669px) 100vw, 669px\" \/><\/figure><\/div>\n\n\n\n<p>\u958b\u767a\uff1a\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3082\u5927\u304d\u3055\u3082\u307b\u307c\u540c\u3058\u3067\u3059\u306d\u3002\u8981\u3059\u308b\u306b Catalina 10.15.6 \u306b\u5171\u901a\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u304b\u306d\u3002\u4f55\u304c\u9055\u3046\u3093\u3067\u3057\u3087\u3046\uff1f<\/p>\n\n\n\n<p>\u57fa\u76e4\uff1a.map \u306ediff\u3092\u53d6\u308b\u3068\u3001\u307e\u3042\u30a2\u30c9\u30ec\u30b9\u306f\u9023\u9396\u7684\u306b\u5909\u308f\u308b\u3067\u3057\u3087\u3046\u3051\u3069\u3001\u5927\u304d\u306a\u9055\u3044\u306f2\u3064dylib\u304c\u52a0\u308f\u3063\u305f\u3068\u3044\u3046\u3053\u3068\u306e\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"737\" height=\"191\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-9.31.46.png\" alt=\"\" class=\"wp-image-13804\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-9.31.46.png 737w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-9.31.46-300x78.png 300w\" sizes=\"(max-width: 737px) 100vw, 737px\" \/><\/figure><\/div>\n\n\n\n<p>\u793e\u9577\uff1a\u3067\u3001\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u3069\u3053\u306b\u3042\u308b\u3093\u3067\u3059\u304b\u306d\u3002\u7aef\u672b\u3068\u3044\u3046\u304b\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u3054\u3068\u306b\u3042\u308b\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u304c\u3002<\/p>\n\n\n\n<p>\u57fa\u76e4\uff1a\u3068\u3053\u308d\u3067\u3053\u306edyld\u3063\u3066\u3001\u306a\u3093\u3066\u8aad\u3080\u3093\u3067\u3059\u304b\u306d\u3002\u30c7\u30a3\u30eb\u2026\u3000\u3063\u3066\u8aad\u3080\u3068\u30e4\u30d0\u3044\u3068\u601d\u3046\u3093\u3067\u3059\u304c\uff57<\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u5358\u306b\u30c0\u30a4\u30a8\u30eb\u30c7\u30a3\u30fc\u3063\u3066\u8aad\u3093\u3067\u307e\u3057\u305f\u304c\u3002<\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u3042\u3042\u305d\u308c\u3067\u3001dyldinfo -bind gsh \u3067\u3001\u52d5\u7684\u306b\u30ea\u30f3\u30af\u3055\u308c\u3066\u3044\u308b\u30b7\u30f3\u30dc\u30eb\u3092\u773a\u3081\u305f\u306e\u3067\u3059\u304c\u3001\u3084\u306f\u308a\u5dee\u3057\u66ff\u3048\u305f\u3089\u9762\u767d\u3044\u3068\u601d\u3046\u306e\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u89e3\u91c8\u3059\u308b\u90e8\u5206\u3001\u3064\u307e\u308a open\u3068execve\u304b\u306a\u3068\u601d\u3044\u307e\u3059\u3002\u30db\u30b9\u30c8\u540d\u306b\u3064\u3044\u3066\u306fgetaddrinfo\u3068getpeername\u3002\u3053\u308c\u3067\u540d\u524d\u7a7a\u9593\u3092\u3044\u3058\u3063\u3066\u7c21\u6613\u30de\u30a6\u30f3\u30c8\u3059\u308b\u3002\u305d\u308c\u304b\u3089\u3001\u51fa\u529b\u3092tee\u3057\u3061\u3083\u3046\u3068\u3044\u3046\u610f\u5473\u3067\u306fwrite\u3068send\u3002\u5165\u529b\u3092tee\u3059\u308b\u3068\u3044\u3046\u610f\u5473\u3067\u306f read \u3068 recvfrom\u3002<\/p>\n\n\n\n<p>\u793e\u9577\uff1a\u7aef\u672b\u5165\u51fa\u529b\u306e\u8a18\u9332\u304c\u308f\u304b\u308a\u3084\u3059\u3044\u306e\u3067\u3001read \/ write \u304b\u3089\u884c\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u4e86\u89e3\u3002\u3067\u306f\u307e\u305a\u3001gettimeofday\u306e\u30e9\u30c3\u30d4\u30f3\u30b0\u306f\u5916\u3057\u3066\u2026<\/p>\n\n\n\n<p>\u57fa\u76e4\uff1a\u4eca\u65e5\u306b\u623b\u308a\u307e\u3057\u305f(^-^)<\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u3042\u3042\u3001\u3069\u3046\u3082Go\u3067\u533a\u5207\u308a\u8a18\u53f7\u3092\u7701\u7565\u3059\u308b\u7656\u304c\u3064\u3044\u3066C\u3067\u3082\u3084\u3063\u3061\u3083\u3044\u307e\u3059\u306d\uff57\u3002\u3080\u3080\u3001read  \u3092\u30e9\u30c3\u30d7\u3057\u3066 __read \u3092\u547c\u3076\u3068\u3044\u3046\u6226\u6cd5\u306f Mac\u306e\u30ea\u30f3\u30ab\u30fc\u306b\u306f\u901a\u3058\u306a\u3044\u306e\u304b\u306a\u2026\u3000\u3068\u308a\u3042\u3048\u305a read \u3068\u3057\u3066\u30a8\u30e9\u30fc\u3092\u8fd4\u3059\u3053\u3068\u306b\u3057\u307e\u3059\u3002\u3053\u3093\u306a\u611f\u3058\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"548\" height=\"129\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-10.55.33.png\" alt=\"\" class=\"wp-image-13814\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-10.55.33.png 548w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-10.55.33-300x71.png 300w\" sizes=\"(max-width: 548px) 100vw, 548px\" \/><\/figure><\/div>\n\n\n\n<p>\u958b\u767a\uff1a\u3067\u3001\u3053\u308c\u3092\u52d5\u7684\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u3057\u3066gsh\u306b\u30ea\u30f3\u30af\u3055\u305b\u308b\u3068\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"548\" height=\"158\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-10.52.38.png\" alt=\"\" class=\"wp-image-13813\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-10.52.38.png 548w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-10.52.38-300x86.png 300w\" sizes=\"(max-width: 548px) 100vw, 548px\" \/><\/figure><\/div>\n\n\n\n<p>\u57fa\u76e4\uff1a\u5165\u308c\u66ff\u308f\u3063\u3066\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u3055\u3066\u3067\u306f\u3001\u3069\u3046\u3084\u3063\u3066\u672c\u7269\u306b\u4e2d\u7d99\u3059\u308b\u304b\u3067\u3059\u304c\u3002\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306a\u3089 syscall \u3067\u30a4\u30b1\u3070y\u4f4d\u3068\u306f\u601d\u3044\u307e\u3059\u304c\u3002<\/p>\n\n\n\n<p>\u57fa\u76e4\uff1a<a href=\"https:\/\/its-more.jp\/ja_jp\/?p=11061\">7\/12\u306e\u30bf\u30a4\u30e0\u30b9\u30ea\u30c3\u30d1<\/a>\u3067\u3082\u3001Linux \u306f func \u3092\u5165\u308c\u66ff\u3048\u3066\u672c\u7269\u306f __func\u3092\u547c\u3076\u3067\u30a4\u30b1\u308b\u3001macOS\u306f\u4e0d\u660e\u306a\u306e\u3067\u30da\u30f3\u30c7\u30a3\u30f3\u30b0\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u3063\u3066\u307e\u3059\u306d\u3002 <\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u3046\u30fc\u3093\u3001dyldinfo \u3092\u898b\u3066\u3082\u3001__ \u3092\u524d\u7f6e\u3059\u308b\u3068\u3044\u3046\u6d41\u5100\u306e\u3088\u3046\u306b\u898b\u3048\u308b\u3093\u3067\u3059\u304c\u2026<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"811\" height=\"141\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-11.09.49.png\" alt=\"\" class=\"wp-image-13818\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-11.09.49.png 811w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-11.09.49-300x52.png 300w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-11.09.49-768x134.png 768w\" sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure><\/div>\n\n\n\n<p>\u57fa\u76e4\uff1a\u306a\u3093\u3068\u306a\u304f\u3001macOS\u56fa\u6709\u306e\u62e1\u5f35\u30b7\u30f3\u30dc\u30eb\u306b\u3064\u3051\u3066\u308b\u3088\u3046\u306b\u3082\u898b\u3048\u307e\u3059\u304c\u3002<\/p>\n\n\n\n<p>\u793e\u9577\uff1a\u306a\u3093\u306b\u3057\u3066\u3082\u3001\u52d5\u7684\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u30b7\u30f3\u30dc\u30eb\u3068\u3057\u3066\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u3066\u306a\u3044\u3068\u3069\u3046\u306b\u3082\u306a\u3089\u306a\u3044\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u958b\u767a\uff1aLinux GCC\u3067\u306f\u3069\u3046\u306a\u3063\u3066\u3044\u308b\u304b\u3068\u8a00\u3046\u3068\u2026<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"603\" height=\"254\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-11.24.19.png\" alt=\"\" class=\"wp-image-13821\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-11.24.19.png 603w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-11.24.19-300x126.png 300w\" sizes=\"(max-width: 603px) 100vw, 603px\" \/><\/figure><\/div>\n\n\n\n<p>\u958b\u767a\uff1a\u3053\u306e i \u3068\u3044\u3046\u306e\u306f GNU \u306e\u62e1\u5f35\u3067 indirection \u3068\u304b\u306e\u610f\u5473\u3060\u305d\u3046\u3067\u3059\u3002\u3042\u308b\u3044\u306f\u3001read \u95a2\u4fc2\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"603\" height=\"239\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-11.28.05.png\" alt=\"\" class=\"wp-image-13822\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-11.28.05.png 603w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-11.28.05-300x119.png 300w\" sizes=\"(max-width: 603px) 100vw, 603px\" \/><\/figure><\/div>\n\n\n\n<p>\u793e\u9577\uff1a\u3082\u3068\u3082\u3068 Weak \u306b\u306a\u3063\u3066\u305f\u308a\u3059\u308b\u3093\u3067\u3059\u306d\u3002\u3068\u3044\u3046\u304b\u3001fread \u306f\u5dee\u3057\u66ff\u3048\u305f\u3089\u81ea\u4f5c\u3057\u306a\u3055\u3044\u3063\u3066\u3053\u3068\u3067\u3059\u304b\u306d\uff1f\uff1f<\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u30dd\u30ea\u30b7\u30fc\u304c\u5168\u304f\u308f\u304b\u3089\u306a\u3044\u3067\u3059\u306d\u3002\u305d\u3082\u305d\u3082\u3069\u3046\u3044\u3046\u610f\u56f3\u3067\u3053\u3046\u3044\u30462\u7a2e\u985e\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u306e\u304b\u3082\u3002<\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u3069\u3046\u3082 macOS\u3067\u3082\u540c\u3058\u3088\u3046\u306a\u611f\u3058\u3067\u3059\u306d\u3002\u30bf\u30a4\u30e0\u30b9\u30ea\u30c3\u30d1\u306egettimeofday\u304c\u3046\u307e\u304f\u884c\u3063\u305f\u306e\u306f\u3053\u3046\u306a\u3063\u3066\u3044\u305f\u304b\u3089\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"603\" height=\"205\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-11.48.35.png\" alt=\"\" class=\"wp-image-13823\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-11.48.35.png 603w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-11.48.35-300x102.png 300w\" sizes=\"(max-width: 603px) 100vw, 603px\" \/><\/figure><\/div>\n\n\n\n<p>\u958b\u767a\uff1a\u4e00\u65b9\u3067 read \u306f\u3053\u3093\u306a\u611f\u3058\u306a\u306e\u3067\u30c0\u30e1\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"603\" height=\"326\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-11.47.21.png\" alt=\"\" class=\"wp-image-13824\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-11.47.21.png 603w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-11.47.21-300x162.png 300w\" sizes=\"(max-width: 603px) 100vw, 603px\" \/><\/figure><\/div>\n\n\n\n<p>\u958b\u767a\uff1a\u3042\u308c\uff1f\u3067\u3082 libsystem_c.dylib \u306b\u306f\u3084\u3063\u3071\u308a\u3001___symbol \u30b7\u30ea\u30fc\u30ba\u304c\u3042\u308a\u307e\u3059\u306d\u3002\u307b\u3068\u3093\u3069\u306e\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306b\u2026\u3000\u306a\u305c read \u306b\u306f\u7121\u3044\u306e\u304b\uff1f\u3042\u3001\u3053\u308c\u3067\u3059\u304b\u306d\uff1f<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"322\" height=\"104\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-11.54.02.png\" alt=\"\" class=\"wp-image-13825\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-11.54.02.png 322w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-11.54.02-300x97.png 300w\" sizes=\"(max-width: 322px) 100vw, 322px\" \/><\/figure><\/div>\n\n\n\n<p>\u793e\u9577\uff1a\u305d\u306e noncancel \u7248\u306e\u4ed5\u69d8\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u304b\u3067\u3059\u304c\u2026\u3000\u3068\u3044\u3046\u304b\u3001readv \u3092\u547c\u3076\u306e\u304c\u4e00\u756a\u7c21\u5358\u3067\u306f\u3002<\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u305d\u3046\u3067\u3059\u306d\u3002\u3053\u308c\u3067\u3069\u3046\u304b\u306a\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"545\" height=\"176\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-12.09.14-1.png\" alt=\"\" class=\"wp-image-13831\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-12.09.14-1.png 545w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-12.09.14-1-300x97.png 300w\" sizes=\"(max-width: 545px) 100vw, 545px\" \/><\/figure><\/div>\n\n\n\n<p>\u958b\u767a\uff1a\u3067\u3082\u3063\u3066gsh\u3092\u8d77\u52d5\u2026<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"545\" height=\"290\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-12.10.27-2.png\" alt=\"\" class=\"wp-image-13832\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-12.10.27-2.png 545w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-12.10.27-2-300x160.png 300w\" sizes=\"(max-width: 545px) 100vw, 545px\" \/><\/figure><\/div>\n\n\n\n<p>\u57fa\u76e4\uff1a\u5927\u6210\u529f\uff01<\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u660e\u308b\u3044\u672a\u6765\u304c\u898b\u3048\u305f\u6c17\u304c\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u793e\u9577\uff1a\u3044\u3051\u305d\u3046\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u3069\u3046\u3082macOS\u306e\u52d5\u7684\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6319\u52d5\u304c\u308f\u304b\u3089\u306a\u3044\u3067\u3059\u304c\u3001\u539f\u7406\u7684\u306b\u306f\u554f\u984c\u306a\u3044\u3088\u3046\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p class=\"has-text-align-center\">\uff0a\u3000\uff0a\u3000\uff0a<\/p>\n\n\n\n<p>\u793e\u9577\uff1a\u5e30\u308a\u307e\u3057\u305f\u3002\u5916\u306f\u4eca\u65e5\u306f\u666e\u901a\u306b\u590f\u65e5\u3088\u308a\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-13.33.13-1024x629.png\" alt=\"\" class=\"wp-image-13836\" width=\"512\" height=\"315\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-13.33.13-1024x629.png 1024w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-13.33.13-300x184.png 300w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-13.33.13-768x472.png 768w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-13.33.13-1536x944.png 1536w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-13.33.13.png 1775w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure>\n\n\n\n<p>\u793e\u9577\uff1a\u304d\u3087\u3046\u306f\u3072\u3084\u9ea6\u3067\u3057\u305f\u3002\u3042\u308c\u306f\u3001\u30ab\u30c3\u30d7\u9eba\u3067\u306f\u5b9f\u73fe\u3067\u304d\u306a\u3044\u4e16\u754c\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u57fa\u76e4\uff1a\u5ba4\u5185\u308234.4\u5ea6\u306b\u3068\u3069\u307e\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u793e\u9577\uff1a\u3068\u3053\u308d\u3066\u3093\u3092\u8cb7\u3063\u3066\u304d\u307e\u3057\u305f\u3002\u51b7\u8535\u5eab\u3067\u51b7\u3084\u3057\u3066\u98df\u3079\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u7d4c\u7406\uff1a\u305d\u306e\u51b7\u8535\u5eab\u306a\u3093\u3067\u3059\u304c\u3001\u5c11\u3057\u6df1\u523b\u306a\u4e8b\u614b\u306b\u3002\u3053\u308c\u3092\u898b\u3066\u4e0b\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-3 is-cropped\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" width=\"762\" height=\"585\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-13.41.04-1.png\" alt=\"\" data-id=\"13840\" data-link=\"https:\/\/its-more.jp\/ja_jp\/?attachment_id=13840\" class=\"wp-image-13840\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-13.41.04-1.png 762w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-13.41.04-1-300x230.png 300w\" sizes=\"(max-width: 706px) 89vw, (max-width: 767px) 82vw, 740px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" width=\"762\" height=\"585\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-13.40.44-1.png\" alt=\"\" data-id=\"13841\" data-link=\"https:\/\/its-more.jp\/ja_jp\/?attachment_id=13841\" class=\"wp-image-13841\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-13.40.44-1.png 762w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-13.40.44-1-300x230.png 300w\" sizes=\"(max-width: 706px) 89vw, (max-width: 767px) 82vw, 740px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" width=\"762\" height=\"585\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-13.40.54.png\" alt=\"\" data-id=\"13842\" data-full-url=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-13.40.54.png\" data-link=\"https:\/\/its-more.jp\/ja_jp\/?attachment_id=13842\" class=\"wp-image-13842\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-13.40.54.png 762w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-13.40.54-300x230.png 300w\" sizes=\"(max-width: 706px) 89vw, (max-width: 767px) 82vw, 740px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>\u7d4c\u7406\uff1a\u6628\u65e5\u307e\u3067\u306e3\u65e5\u9593\u3067\u3059\u304c\u3001\u4e00\u6628\u65e5\u306b\u51b7\u8535\u5eab\u306e\u96fb\u6e90\u3092\u5165\u308c\u308b\u524d\u306f200W\uff0b\u3001\u4e00\u6628\u65e5\u306f\u6d17\u6fef\u6a5f\u306e\u7a3c\u50cd\u3082\u3042\u308a\u307e\u3057\u305f\u304c\u3001\u6628\u65e5\u306e\u69d8\u76f8\u3092\u898b\u308b\u3068300W\u306b\u306f\u9054\u3057\u3066\u3044\u308b\u3068\u898b\u3089\u308c\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u51b7\u8535\u5eab\u304c100W\u6d88\u8cbb\u3057\u3066\u3044\u308b\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u3002<\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u307e\u3042100W\u3067\u751f\u6d3b\u304c\u8c4a\u304b\u306b\u306a\u308b\u306a\u3089\u305d\u308c\u306f\u305d\u308c\u3067\u826f\u3044\u304b\u306a\u3068\u3082\u601d\u3044\u307e\u3059\u3051\u3069\u306d\u3002<\/p>\n\n\n\n<p>\u57fa\u76e4\uff1a\u3068\u3053\u308d\u3067\u3055\u304d\u307b\u3069\u30d9\u30e9\u30f3\u30c0\u306b\u6253\u3061\u6c34\u3068\u3044\u3046\u304b\u3001\u30d0\u30b1\u30c4\u4e00\u676f\u306e\u6c34\u3092\u3076\u3061\u307e\u3051\u305f\u306e\u3067\u3059\u304c\u30010.1\u5ea6\u3070\u304b\u308a\u5ba4\u6e29\u304c\u4e0b\u304c\u3063\u305f\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"has-text-align-center\">\uff0a\u3000\uff0a\u3000\uff0a<\/p>\n\n\n\n<p>\u793e\u9577\uff1a\u3055\u3066\u305d\u308c\u3067\u306f\u3001\u52d5\u7684\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30ea\u30f3\u30af\u3057\u3066\u547c\u3073\u51fa\u3059\u306e\u3092\u3084\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u304b\u306d\u3002<\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u305d\u308c\u304c\u3001syscall \u306b dlopen \u304c\u7121\u3044\u3088\u3046\u306a\u306e\u3067\u3059\u2026<\/p>\n\n\n\n<p>\u793e\u9577\uff1a\u305d\u3046\u3044\u3048\u3070\u3001\u305f\u3057\u304b\u306b\u95a2\u6570\u540d\u3084\u5909\u6570\u540d\u304c\u52d5\u7684\u306b\u30ea\u30f3\u30af\u3067\u304d\u305f\u3068\u3057\u3066\u3082\u3001\u76f8\u624b\u3068\u30b9\u30bf\u30c3\u30af\u306e\u69cb\u9020\u304c\u9055\u3046\u3068\u3069\u3046\u306a\u308b\u3093\u3060\u3068\u3044\u3046\u4e8b\u306f\u3042\u308b\u304b\u3082\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u3067\u3059\u304c\u3001\u3053\u308c\u307e\u3067\u3084\u3063\u305f\u3088\u3046\u306b\u3001gettimeofday\u3084\u3089read\u3084\u3089\u306eC\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u666e\u901a\u306b\u52d5\u7684\u30ea\u30f3\u30af\u3067\u304d\u3066\u547c\u3073\u51fa\u305b\u3061\u3083\u3046\u308f\u3051\u306a\u3093\u3067\u3059\u304c\u2026<\/p>\n\n\n\n<p>\u793e\u9577\uff1a\u3064\u307e\u308a\u308f\u308c\u308f\u308c\u3068\u3057\u3066\u306f\u3001\u4f55\u304b\u306eC\u306e\u6a19\u6e96\u95a2\u6570\u306e\u3075\u308a\u3092\u3057\u3066\u7e4b\u304c\u308b\u4f5c\u6226\u3067\u3059\u304b\u3002<\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u6a19\u6e96\u7684\u306b\u306f <a href=\"https:\/\/golang.org\/pkg\/plugin\/\">plugin\u3068\u3044\u3046\u30d1\u30c3\u30b1\u30fc\u30b8<\/a>\u304c\u3042\u308b\u3088\u3046\u3067\u306f\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3060\u3068\u3001\u901a\u5e38\u306ego\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u53d6\u308a\u8fbc\u3081\u308b\u3002\u3067\u3001<a href=\"https:\/\/golang.org\/src\/plugin\/plugin.go\">\u30bd\u30fc\u30b9\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u3044\u3066\u3042\u308b\u4f8b\u306e\u3068\u304a\u308a<\/a>\u306b\u3084\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u306a\u305c\u304b\u95a2\u6570\u540d\u3092\u30ea\u30be\u30eb\u30d6\u3057\u3066\u304f\u308c\u306a\u3044\u3093\u3067\u3059\u3002go build -buildmode=plugin hello.go \u3068\u3059\u308b\u3068 hello.so \u3068\u3044\u3046\u52d5\u7684\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u51fa\u6765\u308b\u306e\u3067\u3001nm hello.so\u3067\u898b\u3066\u307f\u308b\u308f\u3051\u3067\u3059\u304c\u3001\u305d\u306e\u95a2\u6570\u540d\u304c\u51fa\u3066\u3053\u306a\u3044\u3002<\/p>\n\n\n\n<p>\u95a2\u6570\uff1a\u305d\u308c\u3067\u3082\u3046\u3044\u3061\u3069\u4f8b\u3092\u3058\u3063\u3068\u773a\u3081\u305f\u306e\u3067\u3059\u304c\u3001\u4f8b\u3067\u306f\u95a2\u6570\u540d\u304c\u5927\u6587\u5b57\u306a\u3093\u3067\u3059\u306d\u3002\u307e\u3055\u304b\u3068\u601d\u3063\u3066\u5927\u6587\u5b57\u306b\u3057\u305f\u3089\u3001\u901a\u308a\u307e\u3057\u305f\uff57\u3002\u3064\u307e\u308a\u3001Go\u3067\u306f\u5927\u6587\u5b57\u3067\u59cb\u307e\u308b\u540d\u524d\u3060\u3051\u304c\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3055\u308c\u308b\u3063\u3066\u3044\u3046\u6d41\u5100\u306a\u3093\u3060\u3068\u601d\u3044\u307e\u3059\u3002\u3067\u3001\u3053\u3093\u306a\u3075\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"657\" height=\"244\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-18.15.10.png\" alt=\"\" class=\"wp-image-13856\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-18.15.10.png 657w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-18.15.10-300x111.png 300w\" sizes=\"(max-width: 657px) 100vw, 657px\" \/><\/figure><\/div>\n\n\n\n<p>\u958b\u767a\uff1a\u4e00\u5ea6\u76ee\u306e\u547c\u3073\u51fa\u3057\u306f\u3044\u3064\u3082\u306e\u3088\u3046\u306b3\u30df\u30ea\u79d2\u304b\u304b\u3063\u3066\u3044\u307e\u3059\u304c\u30012\u5ea6\u76ee\u4ee5\u964d\u306f100\u30de\u30a4\u30af\u30ed\u79d2\u4ee5\u4e0b\u3067\u7d42\u308f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u57fa\u76e4\uff1a\u3084\u3063\u305f\uff01<strong><span class=\"has-inline-color has-vivid-cyan-blue-color\">30\u500d\u901f<\/span><\/strong>\uff01<\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u307e\u3042\u30012\u56de\u76ee\u4ee5\u964d\u306f\u3044\u304d\u306a\u308a\u30d7\u30ed\u30bb\u30b9\u5185\u90e8\u3067\u306e\u547c\u3073\u51fa\u3057\u3067\u3059\u304b\u3089\u306d\u3002<\/p>\n\n\n\n<p>\u958b\u767a\uff1a\u3061\u306a\u307f\u306b\u4e2d\u8eab\u306f\u3053\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"598\" height=\"207\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-18.23.15-1.png\" alt=\"\" class=\"wp-image-13868\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-18.23.15-1.png 598w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-18.23.15-1-300x104.png 300w\" sizes=\"(max-width: 598px) 100vw, 598px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignleft size-large\"><img loading=\"lazy\" width=\"717\" height=\"105\" src=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-18.22.39.png\" alt=\"\" class=\"wp-image-13857\" srcset=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-18.22.39.png 717w, https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/Screen-Shot-2020-08-13-at-18.22.39-300x44.png 300w\" sizes=\"(max-width: 717px) 100vw, 717px\" 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2020-0813 SatoxITS<\/p>\n\n\n\n<div class=\"wp-block-file\"><a href=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/GShell-0.0.8-by-SatoxITS-1.pdf\">GShell-0.0.8-by-SatoxITS-1<\/a><a href=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/GShell-0.0.8-by-SatoxITS-1.pdf\" class=\"wp-block-file__button\" download>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n<div class=\"wp-block-file\"><a href=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/\u7d9a\u3005\u3005\u3005\u3005\u7d9aGShell-\u2014-\u52d5\u7684\u30ea\u30f3\u30af-\u2013-\u682a\u5f0f\u4f1a\u793e-ITS-more.pdf\">\u7d9a\u3005\u3005\u3005\u3005\u7d9aGShell-\u2014-\u52d5\u7684\u30ea\u30f3\u30af-\u2013-\u682a\u5f0f\u4f1a\u793e-ITS-more<\/a><a href=\"https:\/\/its-more.jp\/ja_jp\/wp-content\/uploads\/2020\/08\/\u7d9a\u3005\u3005\u3005\u3005\u7d9aGShell-\u2014-\u52d5\u7684\u30ea\u30f3\u30af-\u2013-\u682a\u5f0f\u4f1a\u793e-ITS-more.pdf\" class=\"wp-block-file__button\" download>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u958b\u767a\uff1a\u3055\u3066\u4eca\u65e5\u306f\u3001GShell\u306e\u52d5\u7684\u30ea\u30f3\u30af\u6a5f\u80fd\u306b\u30c1\u30e3\u30ec\u30f3\u30b8\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 \u793e\u9577\uff1a\u30bf\u30a4\u30e0\u30b9\u30ea\u30c3\u30d1\u3067\u3084\u3063\u3066\u305f\u306e\u304c\u3061\u3087\u3046\u3069\u4e00\u30f6\u6708\u524d\u3067\u3059\u306d\u3002 \u958b\u767a\uff1a\u305d\u308c\u304c\u3082\u3046\u3001\u6050\u308d\u3057\u3044\u304f\u3089\u3044\u306b\u4f55\u3082\u899a\u3048\u3066\u306a\u3044\u306e\u3067\u3059\u304c\u3001\u30d6\u30ed\u30b0\u3068\u3001\u6b8b\u3055\u308c\u305f\u30b3\u30fc\u30c9 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/its-more.jp\/ja_jp\/?p=13782\" class=\"more-link\"><span class=\"screen-reader-text\">\"\u7d9a\u3005\u3005\u3005\u3005\u7d9aGShell \u2212 \u52d5\u7684\u30ea\u30f3\u30af\" 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