Some Problem wiht TLS connection using OPENSLL....PLS This is urgent..

[islam]

Hi i have some problems using openssl library. I got this error :
14742:error:1408F10B:SSL routines:SSL3_GET_RECORD:wrong version 
number:s3_pkt.c:293:

and my code is below :

#include <sys/socket.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <netdb.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>

#include <openssl/rand.h>
#include <openssl/ssl.h>
#include <openssl/err.h>

typedef struct {
    int socket;
    SSL *sslHandle;
    SSL_CTX *sslContext;
} connection;


#define SERVER  "10.0.0.61"
#define PORTNUMBER 110

int tcpConnect ()
{
  int error, handle;
  struct hostent *host;
  struct sockaddr_in server;


  host = gethostbyname (SERVER);
  handle = socket (AF_INET, SOCK_STREAM, 0);
  if (handle == -1)
    {
      perror ("Socket");
      handle = 0;
    }
  else
    {
      server.sin_family = AF_INET;
      server.sin_port = htons (PORTNUMBER);
      server.sin_addr = *((struct in_addr *) host->h_addr);
      bzero (&(server.sin_zero), 8);

      error = connect (handle, (struct sockaddr *) &server,
                       sizeof (struct sockaddr));
      if (error == -1)
        {
          perror ("Connect");
          handle = 0;
        }
    }

  return handle;
}

connection *sslConnect (void)
{
  connection *c;

  c = malloc (sizeof (connection));
  c->sslHandle = NULL;
  c->sslContext = NULL;
  char sbuf[1024] = "STLS\r\n";
  c->socket = tcpConnect ();

  if (c->socket)
    {
      SSL_load_error_strings ();
      SSL_library_init ();

      c->sslContext = SSL_CTX_new (TLSv1_client_method());

      if (c->sslContext == NULL)
        ERR_print_errors_fp (stderr);


      c->sslHandle = SSL_new (c->sslContext);
      if (c->sslHandle == NULL)
        ERR_print_errors_fp (stderr);

      if(write(c->socket, sbuf, sizeof(sbuf)) < 0 ){
         fprintf(stderr, "STLS write error : USER");
         return NULL;
      }


     if (!SSL_set_fd (c->sslHandle, c->socket))
           ERR_print_errors_fp (stderr);


      if (SSL_connect (c->sslHandle) != 1){
        fprintf(stderr, "ssl_connect \n");
        ERR_print_errors_fp (stderr);
      }
    }
  else
    {
      perror ("Connect failed");
    }

  return c;
}

void sslDisconnect (connection *c)
{
  if (c->socket)
    close (c->socket);
  if (c->sslHandle)
    {
      SSL_shutdown (c->sslHandle);
      SSL_free (c->sslHandle);
    }
  if (c->sslContext)
    SSL_CTX_free (c->sslContext);

  free (c);
}

char *sslRead (connection *c)
{
  const int readSize = 1024;
  char *rc = NULL;
  int received, count = 0;
  char buffer[1024];

  if (c)
    {
      while (1)
        {
          if (!rc)
            rc = malloc (readSize * sizeof (char) + 1);
          else
            rc = realloc (rc, (count + 1) *
                          readSize * sizeof (char) + 1);

          received = SSL_read (c->sslHandle, buffer, readSize);
          buffer[received] = '\0';

          if (received > 0)
            strcat (rc, buffer);

          if (received < readSize)
            break;
          count++;
        }
    }

  return rc;
}


void sslWrite (connection *c, char *text)
{
  if (c)
    SSL_write (c->sslHandle, text, strlen (text));
}

int main (int argc, char **argv)
{
  connection *c;
  char *response;

  c = sslConnect ();

  sslWrite (c, "USER aydin\r\n");
  response = sslRead (c);

  printf ("%s\n", response);

  sslDisconnect (c);
  free (response);

  return 0;
}


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