/* simple exec example */

#include <stdio.h>

#include <libssh/libssh.h>

#include "examples_common.h"

int main(void) {

    ssh_session session;

    ssh_channel channel;

    char buffer[256];

    int nbytes;

    int rc;

    session = connect_ssh("localhost", NULL, 0);

    if (session == NULL) {

        ssh_finalize();

        return 1;

    }

    channel = ssh_channel_new(session);;

    if (channel == NULL) {

        ssh_disconnect(session);

        ssh_free(session);

        ssh_finalize();

        return 1;

    }

    rc = ssh_channel_open_session(channel);

    if (rc < 0) {

        goto failed;

    }

    rc = ssh_channel_request_exec(channel, "lsof");

    if (rc < 0) {

        goto failed;

    }

    nbytes = ssh_channel_read(channel, buffer, sizeof(buffer), 0);

    while (nbytes > 0) {

        if (fwrite(buffer, 1, nbytes, stdout) != (unsigned int) nbytes) {

            goto failed;

        }

        nbytes = ssh_channel_read(channel, buffer, sizeof(buffer), 0);

    }

    if (nbytes < 0) {

        goto failed;

    }

    ssh_channel_send_eof(channel);

    ssh_channel_close(channel);

    ssh_channel_free(channel);

    ssh_disconnect(session);

    ssh_free(session);

    ssh_finalize();

    return 0;

failed:

    ssh_channel_close(channel);

    ssh_channel_free(channel);

    ssh_disconnect(session);

    ssh_free(session);

    ssh_finalize();

    return 1;

}