{"id":167641,"date":"2023-08-03T01:10:15","date_gmt":"2023-08-02T17:10:15","guid":{"rendered":"http:\/\/www.idc.net\/help\/167641\/"},"modified":"2023-08-03T01:10:15","modified_gmt":"2023-08-02T17:10:15","slug":"%e5%90%8e%e6%b5%aa%e4%ba%91python%e6%95%99%e7%a8%8b%ef%bc%9atelnetlib-telnet-%e5%ae%a2%e6%88%b7%e7%ab%af","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/167641\/","title":{"rendered":"\u540e\u6d6a\u4e91Python\u6559\u7a0b\uff1atelnetlib \u2014 Telnet \u5ba2\u6237\u7aef"},"content":{"rendered":"

telnetlib \u2014 Telnet \u5ba2\u6237\u7aef<\/h1>\n

\u6e90\u4ee3\u7801\uff1a<\/strong> Lib\/telnetlib.py<\/p>\n

\u4ece\u7248\u672c 3.11 \u5f00\u59cb\u6807\u8bb0\u4e3a\u8fc7\u65f6\uff0c\u5c06\u5728\u7248\u672c 3.13 \u4e2d\u79fb\u9664\u3002: telnetlib \u6a21\u5757\u5df2\u88ab\u5f03\u7528\uff08\u8bf7\u53c2\u9605 PEP 594 \u4e86\u89e3\u8be6\u60c5\u53ca\u5176\u66ff\u4ee3\u54c1\uff09\u3002<\/p>\n

\n

telnetlib \u6a21\u5757\u63d0\u4f9b\u4e00\u4e2a\u5b9e\u73b0Telnet\u534f\u8bae\u7684\u7c7b Telnet\u3002\u5173\u4e8e\u6b64\u534f\u8bae\u7684\u7ec6\u8282\u8bf7\u53c2\u89c1 RFC 854 \u3002\u6b64\u5916\uff0c\u5b83\u8fd8\u4e3a\u534f\u8bae\u5b57\u7b26\uff08\u89c1\u4e0b\u6587\uff09\u548c telnet \u9009\u9879\u63d0\u4f9b\u4e86\u5bf9\u5e94\u7684\u7b26\u53f7\u5e38\u91cf\u3002telnet\u9009\u9879\u5bf9\u5e94\u7684\u7b26\u53f7\u540d\u9075\u5faa arpa\/telnet.h<\/code> \u4e2d\u7684\u5b9a\u4e49\uff0c\u4f46\u5220\u9664\u4e86\u524d\u7f00 TELOPT_<\/code>\u3002\u5bf9\u4e8e\u4e0d\u5728 arpa\/telnet.h<\/code> \u7684\u9009\u9879\u7684\u7b26\u53f7\u5e38\u91cf\u540d\uff0c\u8bf7\u53c2\u8003\u672c\u6a21\u5757\u6e90\u7801\u3002<\/p>\n

telnet\u547d\u4ee4\u7684\u7b26\u53f7\u5e38\u91cf\u540d\u6709\uff1a IAC, DONT, DO, WONT, WILL, SE (Subnegotiation End), NOP (No Operation), DM (Data Mark), BRK (Break), IP (Interrupt process), AO (Abort output), AYT (Are You There), EC (Erase Character), EL (Erase Line), GA (Go Ahead), SB (Subnegotiation Begin).<\/p>\n

Availability: not Emscripten, not WASI.<\/p>\n

This module does not work or is not available on WebAssembly platforms wasm32-emscripten<\/code> and wasm32-wasi<\/code>. See WebAssembly platforms for more information.<\/p>\n

class<\/em> telnetlib.Telnet(host=None<\/em>, port=0<\/em>[, timeout<\/em>])<\/p>\n

Telnet \u8868\u793a\u5230 Telnet \u670d\u52a1\u5668\u7684\u8fde\u63a5. \u5b9e\u4f8b\u521d\u59cb\u5316\u540e\u9ed8\u8ba4\u4e0d\u8fde\u63a5\uff1b\u5fc5\u987b\u4f7f\u7528 open() \u65b9\u6cd5\u6765\u5efa\u7acb\u8fde\u63a5\u3002\u6216\u8005\uff0c \u53ef\u9009\u53c2\u6570 host \u548c port \u4e5f\u53ef\u4ee5\u4f20\u9012\u7ed9\u6784\u9020\u51fd\u6570\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5230\u670d\u52a1\u5668\u7684\u8fde\u63a5\u5c06\u5728\u6784\u9020\u51fd\u6570\u8fd4\u56de\u524d\u5efa\u7acb\u3002\u53ef\u9009\u53c2\u6570 timeout<\/em> \u4e3a\u963b\u585e\u64cd\u4f5c\uff08\u5982\u8fde\u63a5\u5c1d\u8bd5\uff09\u6307\u5b9a\u4e00\u4e2a\u4ee5\u79d2\u4e3a\u5355\u4f4d\u7684\u8d85\u65f6\u65f6\u95f4\uff08\u5982\u679c\u6ca1\u6709\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\u5168\u5c40\u9ed8\u8ba4\u8bbe\u7f6e\uff09 \u3002<\/p>\n

\u4e0d\u8981\u91cd\u65b0\u6253\u5f00\u4e00\u4e2a\u5df2\u7ecf\u8fde\u63a5\u7684\u5b9e\u4f8b\u3002<\/p>\n

\u8fd9\u4e2a\u7c7b\u6709\u5f88\u591a read_*()<\/code> \u65b9\u6cd5\u3002 \u8bf7\u6ce8\u610f\uff0c\u5176\u4e2d\u4e00\u4e9b\u65b9\u6cd5\u5728\u8bfb\u53d6\u7ed3\u675f\u65f6\u4f1a\u89e6\u53d1 EOFError \u5f02\u5e38\uff0c\u8fd9\u662f\u7531\u4e8e\u8fde\u63a5\u5bf9\u8c61\u53ef\u80fd\u51fa\u4e8e\u5176\u5b83\u539f\u56e0\u8fd4\u56de\u4e00\u4e2a\u7a7a\u5b57\u7b26\u4e32\u3002 \u8bf7\u53c2\u9605\u4e0b\u9762\u7684\u4e2a\u522b\u63cf\u8ff0\u3002<\/p>\n

Telnet \u5bf9\u8c61\u4e00\u4e2a\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\uff0c\u53ef\u4ee5\u5728 with \u8bed\u53e5\u4e2d\u4f7f\u7528\u3002\u5f53 with<\/code> \u5757\u7ed3\u675f\uff0cclose() \u65b9\u6cd5\u4f1a\u88ab\u8c03\u7528:<\/p>\n

\n \n \n \n 
    \n  \n  \n  \n  
  1. >>><\/span> <\/span>from<\/span> telnetlib <\/span>import<\/span> <\/span>Telnet<\/span><\/code><\/li>\n  \n  \n  \n  
  2. >>><\/span> <\/span>with<\/span> <\/span>Telnet<\/span>(<\/span>'localhost'<\/span>,<\/span> <\/span>23<\/span>)<\/span> <\/span>as<\/span> tn<\/span>:<\/span><\/code><\/li>\n  \n  \n  \n  
  3. ...<\/span> tn<\/span>.<\/span>interact<\/span>()<\/span><\/code><\/li>\n  \n  \n  \n  
  4. ...<\/span><\/code><\/li>\n \n \n \n <\/ol><\/pre>\n
    \u5728 3.6 \u7248\u66f4\u6539: \u6dfb\u52a0\u4e86\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u7684\u652f\u6301<\/p>\n
    \u53c2\u89c1<\/p>\n
    RFC 854 - Telnet \u534f\u8bae\u89c4\u8303<\/p>\n
    Telnet \u534f\u8bae\u7684\u5b9a\u4e49\u3002<\/p>\n
    Telnet \u5bf9\u8c61<\/h2>\n
    Telnet \u5b9e\u4f8b\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n
    Telnet.read_until(expected<\/em>, timeout=None<\/em>)<\/p>\n
    \u8bfb\u53d6\u76f4\u5230\u9047\u5230\u7ed9\u5b9a\u5b57\u8282\u4e32 expected<\/em> \u6216 timeout<\/em> \u79d2\u5df2\u7ecf\u8fc7\u53bb\u3002<\/p>\n
    \u5f53\u6ca1\u6709\u627e\u5230\u5339\u914d\u65f6\uff0c\u8fd4\u56de\u53ef\u7528\u7684\u5185\u5bb9\uff0c\u4e5f\u53ef\u80fd\u8fd4\u56de\u7a7a\u5b57\u8282\u3002\u5982\u679c\u8fde\u63a5\u5df2\u5173\u95ed\u4e14\u6ca1\u6709\u53ef\u7528\u7684\u719f\u6570\u636e\uff0c\u5c06\u89e6\u53d1 EOFError\u3002<\/p>\n
    Telnet.read_all()<\/p>\n
    \u8bfb\u53d6\u6570\u636e\uff0c\u76f4\u5230\u9047\u5230 EOF\uff1b\u8fde\u63a5\u5173\u95ed\u524d\u90fd\u4f1a\u4fdd\u6301\u963b\u585e\u3002<\/p>\n
    Telnet.read_some()<\/p>\n
    \u5728\u8fbe\u5230 EOF \u524d\uff0c\u8bfb\u53d6\u81f3\u5c11\u4e00\u4e2a\u5b57\u8282\u7684\u719f\u6570\u636e\u3002\u5982\u679c\u547d\u4e2d EOF\uff0c\u8fd4\u56de b''<\/code>\u3002\u5982\u679c\u6ca1\u6709\u7acb\u5373\u53ef\u7528\u7684\u6570\u636e\uff0c\u5219\u963b\u585e\u3002<\/p>\n
    Telnet.read_very_eager()<\/p>\n
    \u5728\u4e0d\u963b\u585e I\/O \u7684\u60c5\u51b5\u4e0b\u8bfb\u53d6\u6240\u6709\u7684\u5185\u5bb9\uff08eager\uff09\u3002<\/p>\n
    \u5982\u679c\u8fde\u63a5\u5df2\u5173\u95ed\u5e76\u4e14\u6ca1\u6709\u53ef\u7528\u7684\u719f\u6570\u636e\uff0c\u5c06\u4f1a\u89e6\u53d1 EOFError \u3002\u5982\u679c\u6ca1\u6709\u719f\u6570\u636e\u53ef\u7528\u8fd4\u56de b''<\/code> \u3002\u9664\u975e\u5728\u4e00\u4e2a IAC \u5e8f\u5217\u7684\u4e2d\u95f4\uff0c\u5426\u5219\u4e0d\u8981\u8fdb\u884c\u963b\u585e\u3002<\/p>\n
    Telnet.read_eager()<\/p>\n
    \u8bfb\u53d6\u73b0\u6210\u7684\u6570\u636e\u3002<\/p>\n
    \u5982\u679c\u8fde\u63a5\u5df2\u5173\u95ed\u5e76\u4e14\u6ca1\u6709\u53ef\u7528\u7684\u719f\u6570\u636e\uff0c\u5c06\u4f1a\u89e6\u53d1 EOFError \u3002\u5982\u679c\u6ca1\u6709\u719f\u6570\u636e\u53ef\u7528\u8fd4\u56de b''<\/code> \u3002\u9664\u975e\u5728\u4e00\u4e2a IAC \u5e8f\u5217\u7684\u4e2d\u95f4\uff0c\u5426\u5219\u4e0d\u8981\u8fdb\u884c\u963b\u585e\u3002<\/p>\n
    Telnet.read_lazy()<\/p>\n
    \u5904\u7406\u5e76\u8fd4\u56de\u5df2\u7ecf\u5728\u961f\u5217\u4e2d\u7684\u6570\u636e\uff08lazy\uff09\u3002<\/p>\n
    \u5982\u679c\u8fde\u63a5\u5df2\u5173\u95ed\u5e76\u4e14\u6ca1\u6709\u53ef\u7528\u7684\u6570\u636e\uff0c\u5c06\u4f1a\u89e6\u53d1 EOFError \u3002\u5982\u679c\u6ca1\u6709\u719f\u6570\u636e\u53ef\u7528\u5219\u8fd4\u56de b''<\/code> \u3002\u9664\u975e\u5728\u4e00\u4e2a IAC \u5e8f\u5217\u7684\u4e2d\u95f4\uff0c\u5426\u5219\u4e0d\u8981\u8fdb\u884c\u963b\u585e\u3002<\/p>\n
    Telnet.read_very_lazy()<\/p>\n
    \u8fd4\u56de\u719f\u6570\u636e\u961f\u5217\u4efb\u4f55\u53ef\u7528\u7684\u6570\u636e\uff08very lazy\uff09\u3002<\/p>\n
    \u5982\u679c\u8fde\u63a5\u5df2\u5173\u95ed\u5e76\u4e14\u6ca1\u6709\u53ef\u7528\u7684\u6570\u636e\uff0c\u5c06\u4f1a\u89e6\u53d1 EOFError \u3002\u5982\u679c\u6ca1\u6709\u719f\u6570\u636e\u53ef\u7528\u5219\u8fd4\u56de b''<\/code> \u3002\u8be5\u65b9\u6cd5\u6c38\u8fdc\u4e0d\u4f1a\u963b\u585e\u3002<\/p>\n
    Telnet.read_sb_data()<\/p>\n
    \u8fd4\u56de\u5728 SB\/SE \u5bf9\u4e4b\u95f4\u6536\u96c6\u7684\u6570\u636e\uff08\u5b50\u9009\u9879 begin\/end\uff09\u3002\u5f53\u4f7f\u7528 SE<\/code> \u547d\u4ee4\u8c03\u7528\u56de\u8c03\u51fd\u6570\u65f6\uff0c\u8be5\u56de\u8c03\u51fd\u6570\u5e94\u8be5\u8bbf\u95ee\u8fd9\u4e9b\u6570\u636e\u3002\u8be5\u65b9\u6cd5\u6c38\u8fdc\u4e0d\u4f1a\u963b\u585e\u3002<\/p>\n
    Telnet.open(host<\/em>, port=0<\/em>[, timeout<\/em>])<\/p>\n
    \u8fde\u63a5\u4e3b\u673a\u3002\u7b2c\u4e8c\u4e2a\u53ef\u9009\u53c2\u6570\u662f\u7aef\u53e3\u53f7\uff0c\u9ed8\u8ba4\u4e3a\u6807\u51c6 Telnet \u7aef\u53e3\uff0823\uff09\u3002\u53ef\u9009\u53c2\u6570 timeout<\/em> \u6307\u5b9a\u4e00\u4e2a\u4ee5\u79d2\u4e3a\u5355\u4f4d\u7684\u8d85\u65f6\u65f6\u95f4\u7528\u4e8e\u50cf\u8fde\u63a5\u5c1d\u8bd5\u8fd9\u6837\u7684\u963b\u585e\u64cd\u4f5c\uff08\u5982\u679c\u6ca1\u6709\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\u5168\u5c40\u9ed8\u8ba4\u8d85\u65f6\u8bbe\u7f6e\uff09\u3002<\/p>\n
    \u4e0d\u8981\u5c1d\u8bd5\u91cd\u65b0\u6253\u5f00\u4e00\u4e2a\u5df2\u7ecf\u8fde\u63a5\u7684\u5b9e\u4f8b\u3002<\/p>\n
    \u89e6\u53d1 auditing event telnetlib.Telnet.open<\/code> \uff0c\u53c2\u6570\u4e3a self<\/code>\uff0chost<\/code>\uff0cport<\/code>\u3002<\/p>\n
    Telnet.msg(msg<\/em>, \\<\/em>args*)<\/p>\n
    \u5f53\u8c03\u8bd5\u7ea7\u522b ><\/code> 0 \u65f6\u6253\u5370\u4e00\u6761\u8c03\u8bd5\u4fe1\u606f\u3002\u5982\u679c\u5b58\u5728\u989d\u5916\u53c2\u6570\uff0c\u5219\u5b83\u4eec\u4f1a\u88ab\u66ff\u6362\u5728\u4f7f\u7528\u6807\u51c6\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u4e2d\u3002<\/p>\n
    Telnet.set_debuglevel(debuglevel<\/em>)<\/p>\n
    \u8bbe\u7f6e\u8c03\u8bd5\u7ea7\u522b\u3002debuglevel<\/em> \u7684\u503c\u8d8a\u9ad8\uff0c\u5f97\u5230\u7684\u8c03\u8bd5\u8f93\u51fa\u8d8a\u591a\uff08\u5728 sys.stdout<\/code> \uff09\u3002<\/p>\n
    Telnet.close()<\/p>\n
    \u5173\u95ed\u8fde\u63a5\u5bf9\u8c61\u3002<\/p>\n
    Telnet.get_socket()<\/p>\n
    \u8fd4\u56de\u5185\u90e8\u4f7f\u7528\u7684\u5957\u63a5\u5b57\u5bf9\u8c61\u3002<\/p>\n
    Telnet.fileno()<\/p>\n
    \u8fd4\u56de\u5185\u90e8\u4f7f\u7528\u7684\u5957\u63a5\u5b57\u5bf9\u8c61\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002<\/p>\n
    Telnet.write(buffer<\/em>)<\/p>\n
    \u5411\u5957\u63a5\u5b57\u5199\u5165\u4e00\u4e2a\u5b57\u8282\u5b57\u7b26\u4e32\uff0c\u5c06\u6240\u6709 IAC \u5b57\u7b26\u52a0\u500d\u3002\u5982\u679c\u8fde\u63a5\u88ab\u963b\u585e\uff0c\u8fd9\u53ef\u80fd\u4e5f\u4f1a\u963b\u585e\u3002\u5982\u679c\u8fde\u63a5\u5173\u95ed\u53ef\u80fd\u89e6\u53d1 OSError\u3002<\/p>\n
    \u89e6\u53d1 auditing event telnetlib.Telnet.write<\/code> \uff0c\u53c2\u6570\u4e3a self<\/code>\uff0cbuffer<\/code>\u3002<\/p>\n
    \u5728 3.3 \u7248\u66f4\u6539: \u66fe\u7ecf\u8be5\u51fd\u6570\u629b\u51fa socket.error\uff0c\u73b0\u5728\u8fd9\u662f OSError \u7684\u522b\u540d\u3002<\/p>\n
    Telnet.interact()<\/p>\n
    \u4ea4\u4e92\u51fd\u6570\uff0c\u6a21\u62df\u4e00\u4e2a\u975e\u5e38\u7b28\u62d9\u7684 Telnet \u5ba2\u6237\u7aef\u3002<\/p>\n
    Telnet.mt_interact()<\/p>\n
    \u591a\u7ebf\u7a0b\u7248\u7684 interact().<\/p>\n
    Telnet.expect(list<\/em>, timeout=None<\/em>)<\/p>\n
    \u4e00\u76f4\u8bfb\u53d6\uff0c\u76f4\u5230\u5339\u914d\u5217\u8868\u4e2d\u7684\u67d0\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f\u3002<\/p>\n
    \u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u4e00\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f\u5217\u8868\uff0c\u53ef\u4ee5\u662f\u5df2\u7f16\u8bd1\u7684 (\u6b63\u5219\u8868\u8fbe\u5f0f\u5bf9\u8c61)\uff0c\u4e5f\u53ef\u4ee5\u662f\u672a\u7f16\u8bd1\u7684 (\u5b57\u8282\u4e32)\u3002 \u7b2c\u4e8c\u4e2a\u53ef\u9009\u53c2\u6570\u662f\u8d85\u65f6\uff0c\u5355\u4f4d\u662f\u79d2\uff1b\u9ed8\u8ba4\u4e00\u76f4\u963b\u585e\u3002<\/p>\n
    \u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u4e09\u4e2a\u5143\u7d20\u7684\u5143\u7ec4\uff1a\u5217\u8868\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5339\u914d\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u7d22\u5f15\uff1b\u8fd4\u56de\u7684\u5339\u914d\u5bf9\u8c61\uff1b\u5305\u62ec\u5339\u914d\u5728\u5185\u7684\u8bfb\u53d6\u8fc7\u7684\u5b57\u8282\u3002<\/p>\n
    \u5982\u679c\u627e\u5230\u4e86\u6587\u4ef6\u7684\u7ed3\u5c3e\u4e14\u6ca1\u6709\u5b57\u8282\u88ab\u8bfb\u53d6\uff0c\u89e6\u53d1 EOFError\u3002\u5426\u5219\uff0c\u5f53\u6ca1\u6709\u5339\u914d\u65f6,\u8fd4\u56de (-1, None, data)<\/code>\uff0c\u5176\u4e2d data<\/em> \u662f\u5230\u76ee\u524d\u4e3a\u6b62\u63a5\u53d7\u5230\u7684\u5b57\u8282\uff08\u5982\u679c\u53d1\u751f\u8d85\u65f6\uff0c\u5219\u53ef\u80fd\u662f\u7a7a\u5b57\u8282\uff09\u3002<\/p>\n
    \u5982\u679c\u4e00\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f\u4ee5\u8d2a\u5a6a\u5339\u914d\u7ed3\u675f\uff08\u4f8b\u5982 .*<\/code>\uff09\uff0c\u6216\u8005\u591a\u4e2a\u8868\u8fbe\u5f0f\u53ef\u4ee5\u5339\u914d\u540c\u4e00\u4e2a\u8f93\u51fa\uff0c\u5219\u7ed3\u679c\u662f\u4e0d\u786e\u5b9a\u7684\uff0c\u53ef\u80fd\u53d6\u51b3\u4e8e I\/O \u8ba1\u65f6\u3002<\/p>\n
    Telnet.set_option_negotiation_callback(callback<\/em>)<\/p>\n
    \u6bcf\u6b21\u5728\u8f93\u5165\u6d41\u4e0a\u8bfb\u53d6 telnet \u9009\u9879\u65f6\uff0c\u8fd9\u4e2a\u5e26\u6709\u5982\u4e0b\u53c2\u6570\u7684 callback<\/em> \uff08\u5982\u679c\u8bbe\u7f6e\u4e86\uff09\u4f1a\u88ab\u8c03\u7528\uff1a callback(telnet socket, command (DO\/DONT\/WILL\/WONT), option)\u3002telnetlib \u4e4b\u540e\u4e0d\u4f1a\u518d\u6267\u884c\u5176\u5b83\u64cd\u4f5c\u3002<\/p>\n
    Telnet \u793a\u4f8b<\/h2>\n
    \u4e00\u4e2a\u7b80\u5355\u7684\u8bf4\u660e\u6027\u5178\u578b\u7528\u6cd5\u4f8b\u5b50:<\/p>\n
    \n \n \n \n 
      \n  \n  \n  \n  
    1. import<\/span> getpass<\/span><\/code><\/li>\n  \n  \n  \n  
    2. import<\/span> telnetlib<\/span><\/code><\/li>\n  \n  \n  \n  
    3. <\/code><\/li>\n  \n  \n  \n  
    4. HOST <\/span>=<\/span> <\/span>\"localhost\"<\/span><\/code><\/li>\n  \n  \n  \n  
    5. user <\/span>=<\/span> input<\/span>(<\/span>\"Enter your remote account: \"<\/span>)<\/span><\/code><\/li>\n  \n  \n  \n  
    6. password <\/span>=<\/span> getpass<\/span>.<\/span>getpass<\/span>()<\/span><\/code><\/li>\n  \n  \n  \n  
    7. <\/code><\/li>\n  \n  \n  \n  
    8. tn <\/span>=<\/span> telnetlib<\/span>.<\/span>Telnet<\/span>(<\/span>HOST<\/span>)<\/span><\/code><\/li>\n  \n  \n  \n  
    9. <\/code><\/li>\n  \n  \n  \n  
    10. tn<\/span>.<\/span>read_until<\/span>(<\/span>b<\/span>\"login: \"<\/span>)<\/span><\/code><\/li>\n  \n  \n  \n  
    11. tn<\/span>.<\/span>write<\/span>(<\/span>user<\/span>.<\/span>encode<\/span>(<\/span>'ascii'<\/span>)<\/span> <\/span>+<\/span> b<\/span>\"\\n\"<\/span>)<\/span><\/code><\/li>\n  \n  \n  \n  
    12. if<\/span> password<\/span>:<\/span><\/code><\/li>\n  \n  \n  \n  
    13.  tn<\/span>.<\/span>read_until<\/span>(<\/span>b<\/span>\"Password: \"<\/span>)<\/span><\/code><\/li>\n  \n  \n  \n  
    14.  tn<\/span>.<\/span>write<\/span>(<\/span>password<\/span>.<\/span>encode<\/span>(<\/span>'ascii'<\/span>)<\/span> <\/span>+<\/span> b<\/span>\"\\n\"<\/span>)<\/span><\/code><\/li>\n  \n  \n  \n  
    15. <\/code><\/li>\n  \n  \n  \n  
    16. tn<\/span>.<\/span>write<\/span>(<\/span>b<\/span>\"ls\\n\"<\/span>)<\/span><\/code><\/li>\n  \n  \n  \n  
    17. tn<\/span>.<\/span>write<\/span>(<\/span>b<\/span>\"exit\\n\"<\/span>)<\/span><\/code><\/li>\n  \n  \n  \n  
    18. <\/code><\/li>\n  \n  \n  \n  
    19. print<\/span>(<\/span>tn<\/span>.<\/span>read_all<\/span>().<\/span>decode<\/span>(<\/span>'ascii'<\/span>))<\/span><\/code><\/li>\n \n \n \n <\/ol><\/pre>\n","protected":false},"excerpt":{"rendered":"
      telnetlib \u2014 Telnet \u5ba2\u6237\u7aef \u6e90\u4ee3\u7801\uff1a Lib\/telnetlib.py \u4ece\u7248\u672c 3.11 \u5f00 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[182397],"tags":[],"class_list":["post-167641","post","type-post","status-publish","format-standard","hentry","category-python"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/167641","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=167641"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/167641\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=167641"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=167641"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=167641"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}