C

SSH Commands to Cisco Switch

See more SSH Examples

Demonstrates how to establish an SSH session with a Cisco switch (or something similar) and send commands in a device console session. C

#include <C_CkSsh.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkSsh ssh;
    int channelNum;

    success = FALSE;

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    ssh = CkSsh_Create();

    success = CkSsh_Connect(ssh,"172.16.16.100",22);
    if (success != TRUE) {
        printf("%s\n",CkSsh_lastErrorText(ssh));
        CkSsh_Dispose(ssh);
        return;
    }

    // Authenticate using login/password:
    success = CkSsh_AuthenticatePw(ssh,"myLogin","myPassword");
    if (success != TRUE) {
        printf("%s\n",CkSsh_lastErrorText(ssh));
        CkSsh_Dispose(ssh);
        return;
    }

    // Start a shell session.
    channelNum = CkSsh_QuickShell(ssh);
    if (channelNum < 0) {
        printf("%s\n",CkSsh_lastErrorText(ssh));
        CkSsh_Dispose(ssh);
        return;
    }

    // If the CISCO switch returns a prompt with "#", then read until we get the prompt.
    // (It's not actually required that we do this, but it helps to know that all is OK at this point..)
    success = CkSsh_ChannelReceiveUntilMatch(ssh,channelNum,"#","utf-8",TRUE);
    if (success != TRUE) {
        printf("%s\n",CkSsh_lastErrorText(ssh));
        CkSsh_Dispose(ssh);
        return;
    }

    // Show what we received so far:
    printf("%s\n",CkSsh_getReceivedText(ssh,channelNum,"utf-8"));

    // Send a "show clock" command.
    success = CkSsh_ChannelSendString(ssh,channelNum,"show clock\n","utf-8");

    // Read the output to the next interactive prompt.
    success = CkSsh_ChannelReceiveUntilMatch(ssh,channelNum,"#","utf-8",TRUE);
    if (success != TRUE) {
        printf("%s\n",CkSsh_lastErrorText(ssh));
        CkSsh_Dispose(ssh);
        return;
    }

    printf("%s\n",CkSsh_getReceivedText(ssh,channelNum,"utf-8"));

    // Send another command and get the output, and so on...
    success = CkSsh_ChannelSendString(ssh,channelNum,"some other command\n","utf-8");
    success = CkSsh_ChannelReceiveUntilMatch(ssh,channelNum,"#","utf-8",TRUE);
    if (success != TRUE) {
        printf("%s\n",CkSsh_lastErrorText(ssh));
        CkSsh_Dispose(ssh);
        return;
    }

    printf("%s\n",CkSsh_getReceivedText(ssh,channelNum,"utf-8"));

    CkSsh_Disconnect(ssh);


    CkSsh_Dispose(ssh);

    }