}

return 0;

}

/** Registers the user on the DistRen server */

int register_user(char *username, char *email)

{

  /*

   * Logs into sandboxed user on zserver2 and registers a user. Should eventually generate a key on the server and return it to the user.

   * All created user accounts should be sandboxed accordingly, requiring a different skel, and the default shell to be rbash. Also,

   * a custom path defined in the .bash_profile of the skel is needed.

   */

  char buf[10];

  struct execio *testrem;

  char *execargv[] =

    {

      "ssh",

      "distren_setup@protofusion.org",

      "-i",

      SYSCONFDIR "/setup_rsa", // default distributed key, account can only create users.

      "-p",

      "23",

      "newuser",

      "-M",

      "-c",

      email,

      "-d",

      "/home/distren",

      "--gid",

      "541",

      username,

      (char *)NULL

    };

  size_t readlen;

  fprintf(stderr, "Opening stream:\n", execio_open(&testrem, "ssh", execargv));

  buf[9] = '\0'; // null-terminating the array...

  while(!execio_read(testrem, buf, 9, &readlen))

    {

      if(readlen > 9) {

	fprintf(stderr, "!!!! Something is terribly wrong!\n");

      }

      buf[readlen] = '\0';

      fprintf(stderr, "read \"%s\"\n", buf);

    }

  execio_close(testrem);

  /* @TODO: Parse the output buffer or something to check when user creation fails due to duplicate users. This is pretty important. */

  ssh_keygen(); // generates keys for login, @TODO: pub key must somehow be sent to the server.

  return 1;

}

/** Logs the user into the server with a nice ssh session */

int login_user(char *username)

{

  char *userhost;

  char *userkey;

  char buf[10];

  struct execio *testrem;

  char *execargv[] =

    {

      "ssh",

      "-i",

      (char *)NULL, // Key created from registeruser()

      "-p",

      "23",

      (char *)NULL,// username and hostname

      "echo",

      "hello", // This should eventually open a non-terminating connection to the server for communication,

      (char *)NULL

    };

  size_t readlen;

  /*< @TODO remove being tied to protofusion.org for no reason  */

  userhost = malloc(strlen(username) + strlen("@protofusion.org") + 1);

  if(!userhost)

    return 43;

  strcpy(userhost, username);

  strcat(userhost, "@protofusion.org"); // Throws @protofusion.org after the username

  userkey = malloc(strlen(username) + strlen(".rsa") + 1);

  if(!userkey)

    {

      free(userhost);

      return 44;

    }

  strcpy(userkey, username);

  strcat(userkey,".rsa");

  fprintf(stderr, "Logging you in to %s using key %s\n", userhost, userkey);

  if(fopen(userkey, "r") == NULL){

	  fprintf(stderr,"Your key, %s, has not been found! Re-register or somehow regenerate your key! We need a way to regenerate keys coded in, but we don't have the facilities yet!",userkey);