Make a Copy of a File on Remote SSH Server

Demonstrates how to make a copy of a file on a remote SSH server by running the "cp" command. This works if your server is Linux or Unix-based. For Windows-based servers, use the DOS "copy" command.

Downloads:

MS Windows Visual C/C++ Libraries

Linux/CentOS C/C++ Libraries

MAC OS X C/C++ Libraries

Solaris C/C++ Libraries

C++ Builder Libraries

#include <C_CkSsh.h>

void ChilkatSample(void)
    {
    HCkSsh ssh;
    BOOL success;
    const char * hostname;
    long port;
    long channelNum;
    const char * cmdOutput;

    //  Important: It is helpful to send the contents of the
    //  ssh.LastErrorText property when requesting support.

    ssh = CkSsh_Create();

    //  Any string automatically begins a fully-functional 30-day trial.

    success = CkSsh_UnlockComponent(ssh,"Anything for 30-day trial");
    if (success != TRUE) {
        printf("%s\n",CkSsh_lastErrorText(ssh));
        return;
    }

    //  Connect to an SSH server:

    //  Hostname may be an IP address or hostname:
    hostname = "192.168.1.117";
    port = 22;

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

    //  Wait a max of 5 seconds when reading responses..
    CkSsh_putIdleTimeoutMs(ssh,5000);

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

    //  Open a session channel.  (It is possible to have multiple
    //  session channels open simultaneously.)

    channelNum = CkSsh_OpenSessionChannel(ssh);
    if (channelNum < 0) {
        printf("%s\n",CkSsh_lastErrorText(ssh));
        return;
    }

    //  In this example, we'll copy wine.html to wine2.html
    //  The "cp" command has no output (i.e. nothing is written to
    //  the standard output) so we'll include an "echo FINISHED"
    //  so we can programmatically retrieve the output and close
    //  the channel.  Closing the channel immediately after sending
    //  the command is not good because w/ some SSH servers
    //  it introduces a race condition where the command may not
    //  be executed if the server thinks the client has disconnected.
    success = CkSsh_SendReqExec(ssh,channelNum,"cp wine.html wine2.html && echo FINISHED");
    if (success != TRUE) {
        printf("%s\n",CkSsh_lastErrorText(ssh));
        return;
    }

    //  Read the channel until we receive the FINISHED string.
    success = CkSsh_ChannelReceiveUntilMatch(ssh,channelNum,"FINISHED","ansi",TRUE);
    if (success != TRUE) {
        printf("%s\n",CkSsh_lastErrorText(ssh));
        return;
    }

    //  Close the channel:
    success = CkSsh_ChannelSendClose(ssh,channelNum);
    if (success != TRUE) {
        printf("%s\n",CkSsh_lastErrorText(ssh));
        return;
    }

    //  Let's pickup the accumulated output of the command:
    //  (In this case, it will be the string "FINISHED")

    cmdOutput = CkSsh_getReceivedText(ssh,channelNum,"ansi");
    if (cmdOutput == 0 ) {
        printf("%s\n",CkSsh_lastErrorText(ssh));
        return;
    }

    //  Display the remote shell's command output:
    printf("%s\n",cmdOutput);

    //  Disconnect
    CkSsh_Disconnect(ssh);

    CkSsh_Dispose(ssh);

    }