不能连接我的ssh客户端到远程机器

我已经从libSSH下载并编译libssh 0.6.1，并将ssh.lib，ssh.dll链接到可视化C++项目。下面的代码编译并运行良好，但是当调用ssh_connect（）时，它返回-1：无法连接：没有错误。另外，我用腻子连接到我的远程机器，它工作正常。这里是我的代码：不能连接我的ssh客户端到远程机器

// sshClient.cpp : Defines the entry point for the console application. 
// 

#include "stdafx.h" 
#include <stdlib.h> 
#include <libssh/libssh.h> 


    int _tmain(int argc, _TCHAR* argv[]) 
    { 
     ssh_session my_ssh_session; 

     int verbosity = SSH_LOG_PROTOCOL; 
     int port = 22; 
     char* host="127.0.0.1"; 
     ssh_channel channel; 
     int rc; 

     //I create a session 
     my_ssh_session = ssh_new(); 
     if (my_ssh_session == NULL) 
      exit(-1); 
     ssh_options_set(my_ssh_session, SSH_OPTIONS_HOST, host); 
     ssh_options_set(my_ssh_session, SSH_OPTIONS_LOG_VERBOSITY, &verbosity); 
     ssh_options_set(my_ssh_session, SSH_OPTIONS_PORT, &port); 
     ssh_options_set(my_ssh_session, SSH_OPTIONS_USER,"true"); 
      rc = ssh_connect(my_ssh_session); 
      if (rc != SSH_OK) {  
       fprintf(stderr, "Error connecting to 192.168.78.131 : %s\n",   ssh_get_error(my_ssh_session)); 
       exit(-1); 
      } 
       ssh_disconnect(my_ssh_session); 
       ssh_free(my_ssh_session); 

     //Here I create a channel 
     channel = ssh_channel_new(my_ssh_session); 

     if (channel == NULL) 
      return SSH_ERROR; 
     if (SSH_OK != ssh_channel_open_session(channel)) { 
      printf("ssh_channel_open_session"); 
      ssh_channel_free(channel); 
      return rc; 
     } 


     //My remote command ls -l under true Folder 
     rc = ssh_channel_request_exec(channel, "ls -l"); 
     if (rc != SSH_OK){ ssh_channel_close(channel); 
     ssh_channel_free(channel); 
     return rc; 
     } 
     char buffer[256]; 
     unsigned int nbytes; 
     nbytes = ssh_channel_read(channel, buffer, sizeof(buffer), 0); 
     while (nbytes > 0){ 
      if (fwrite(buffer, 1, nbytes, stdout) != nbytes) 
      { ssh_channel_close(channel); 
      ssh_channel_free(channel);  
      return SSH_ERROR; 
      } 
      nbytes = ssh_channel_read(channel, buffer, sizeof(buffer), 0); 
     } 
     if (nbytes < 0){ 
      ssh_channel_close(channel); 
      ssh_channel_free(channel); 
      return SSH_ERROR; 
     } 

     ssh_channel_send_eof(channel); 
     ssh_channel_close(channel); 
     ssh_channel_free(channel); 

     ssh_free(my_ssh_session); 
     system("pause"); 
     return 0; 
    }

来源

2015-02-11 Smarz

检查您的主机IP地址。我猜你忘了在示例源文件中更改IP地址。

来源

2015-04-27 01:04:55 eecs

不能连接我的ssh客户端到远程机器

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