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  • 大小: 2.83MB
    文件類型: .rar
    金幣: 2
    下載: 0 次
    發布日期: 2023-09-15
  • 語言: C/C++
  • 標簽: telnet??

資源簡介

MFC實現的Telnet客戶端程序,需要通過telnet連接設備的開發者可以參考下

資源截圖

代碼片段和文件信息

/*-------------------------------------------
???TelnetClient.cpp?--?WinSock?telnet?client
???????????????(c)?Ma?Jihong?2012-12-31
??-------------------------------------------*/
#include
#include
#include
#include
#pragma?comment(lib?“ws2_32.lib“)

#define?BUF_SIZE?1024

const?unsigned?char?IAC???=?255;
const?unsigned?char?DONT??=?254;
const?unsigned?char?DO ??=?253;
const?unsigned?char?WONT??=?252;
const?unsigned?char?WILL??=?251;
const?unsigned?char?SB ??=?250;
const?unsigned?char?SE????=?240;

enum?STATE{STATE_DATA?STATE_IAC?STATE_OPTION?STATE_SUBOPT};//解析服務器的信息時的各種狀態
enum?VERB{VERB_WILL?VERB_WONT?VERB_DO?VERB_DONT};//記錄服務器選項協商的常量
enum?OPTION{ECHO?=?1?SGA?=?3?TERMTYPE?=?24};?//要處理的選項協商的常量
enum?ANSI_STATE{S_DATA?S_ESC?S_ESC0};??//解析ANSI控制碼的?各種狀態
enum?{IS?=?0?SEND?=?1};??//終端子選項的常量
char?escbuf[BUF_SIZE];???//儲存ANSI控制碼的緩沖區

void?ParseMessage(unsigned?char);?//解析服務器接受的信息
void?EchoOpt(unsigned?char?verb);?//對回顯選項協商的應答
void?SGAOpt(unsigned?char?verb);??//對抑制繼續進行選項協商的應答
void?TermOpt(unsigned?char?verb);?//對終端類型選項協商的應答
void?RecvData(unsigned?char?ch);??//對接收的數據信息的處理
void?ParseESC(char*char);????????//解析ANSI控制碼
void?SendReply(unsigned?char?unsigned?char);??//選項協商的應答
void?SendNoReply(unsigned?char??unsigned?char);??//對不感興趣的選項協商的否定應答
void?SendTermType();?????????//發送本地終端類型這里是ANSI
void?ansi_set_screen_attribute(int*?int);??//設置顯示文本的前景色和背景色
void?ansi_set_cursor_position(int*?int);???//設置光標的位置
void?ansi_clear_screen(int*?int);???????//清屏
void?ansi_erase_line();??????//清除從光標開始到行末
void?ansi_cursor_up(int);????//光標上移
void?ansi_cursor_down(int);??//光標下移
void?ansi_cursor_backward(int);?//光標左移
void?ansi_cursor_forward(int);??//光標右移
int?SendData(SOCKET?sock?char*?sendbuf?int?sendlen);??//向服務器發送信息
char*?ltrim(char*);???//用戶輸入時,去掉輸入串左邊的空白符
char*?rtrim(char*);???//用戶輸入時,去掉輸入串右邊的空白符
void?getip(char*?int);?//得到用戶輸入的ip或域名
DWORD?WINAPI?SendProc(LPVOID?lpParemeter);??//發送信息線程函數
DWORD?WINAPI?RecvProc(LPVOID?lpParemeter);??//接受信息線程函數

HANDLE?hstdin;
HANDLE?hstdout;
SOCKET?sock;
int?main()
{
WSADATA?wsaData;
SOCKADDR_IN?srvaddr;
HANDLE?hThread[2];
int?ret;
hostent?remotehost*phostent;
char?strIP[80];

phostent?=?&remotehost;

hstdin?=?GetStdHandle(STD_INPUT_HANDLE);
hstdout?=?GetStdHandle(STD_OUTPUT_HANDLE);
FlushConsoleInputBuffer(hstdin);//注意,初始化刷新輸入緩沖區
COORD?bufsize?=?{100?40};
SetConsoleScreenBufferSize(hstdout?bufsize);

ret?=?WSAStartup(MAKEWORD(2?2)?&wsaData);

if(ret?!=?0)
{
printf(“加載套接字庫失敗\n“);
return?-1;
}

if(LOBYTE(wsaData.wVersion)?!=?2?||
HIBYTE(wsaData.wVersion)?!=?2)
{
printf(“套接字庫版本不一致\n“);
WSACleanup();
return?-1;
}

sock?=?socket(AF_INET?SOCK_STREAM?IPPROTO_TCP);
if(sock?==?INVALID_SOCKET)
{
printf(“創建套接字失敗\n“);
WSACleanup();
????????return?-1;
}
getip(strIP?80);
if(strIP[0]?>=?‘0‘?&&?strIP[0]?<=?‘9‘)
{
srvaddr.sin_addr.S_un.S_addr?=?inet_addr(st

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????40960??2013-01-01?15:46??TelnetTest\Debug\TelnetTest.exe

?????文件?????458648??2013-01-01?15:46??TelnetTest\Debug\TelnetTest.ilk

?????文件?????535552??2013-01-01?15:46??TelnetTest\Debug\TelnetTest.pdb

?????文件??????10498??2013-01-01?15:46??TelnetTest\TelnetTest\Debug\BuildLog.htm

?????文件??????68267??2013-01-01?15:46??TelnetTest\TelnetTest\Debug\main.obj

?????文件?????????65??2013-01-01?15:46??TelnetTest\TelnetTest\Debug\mt.dep

?????文件????????663??2012-12-10?14:03??TelnetTest\TelnetTest\Debug\TelnetTest.exe.embed.manifest

?????文件????????728??2012-12-10?14:03??TelnetTest\TelnetTest\Debug\TelnetTest.exe.embed.manifest.res

?????文件????????621??2013-01-01?15:46??TelnetTest\TelnetTest\Debug\TelnetTest.exe.intermediate.manifest

?????文件?????363520??2013-01-01?15:46??TelnetTest\TelnetTest\Debug\vc90.idb

?????文件?????126976??2013-01-01?15:46??TelnetTest\TelnetTest\Debug\vc90.pdb

?????文件??????16259??2013-01-01?14:26??TelnetTest\TelnetTest\main.cpp

?????文件???????3922??2012-12-18?16:52??TelnetTest\TelnetTest\TelnetTest.vcproj

?????文件???????1415??2013-01-01?16:14??TelnetTest\TelnetTest\TelnetTest.vcproj.xiaoma-PC.Administrator.user

?????文件???14085120??2013-01-01?16:14??TelnetTest\TelnetTest.ncb

?????文件????????896??2012-12-10?13:41??TelnetTest\TelnetTest.sln

????..A..H.??????9728??2013-01-01?16:14??TelnetTest\TelnetTest.suo

?????目錄??????????0??2013-01-01?15:46??TelnetTest\TelnetTest\Debug

?????目錄??????????0??2012-12-30?16:05??TelnetTest\Debug

?????目錄??????????0??2013-01-01?14:26??TelnetTest\TelnetTest

?????目錄??????????0??2012-12-31?15:46??TelnetTest

-----------?---------??----------?-----??----

?????????????15723838????????????????????21


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