int ssh_keygen(){

	// distren.id_rsa and distren.id_rsa.pub are now generated in SYSCONFDIR (etc)

	// Checks to see if the keys are already present.

	int status;

	struct stat buffer;

	status = stat(SYSCONFDIR "/distren.id_rsa", &buffer);

	if(status != -1){

		fprintf(stderr, "Please delete etc/distren.id_rsa and etc/distren.id_rsa.pub to register.\n");

		return 0;

	}

/* start execio code */

	char *command = "ssh-keygen"; // @TODO: append .exe if win32?

	int ret;

	char *cmd[] = { command, "-q", "-f", SYSCONFDIR "/distren.id_rsa", "-N", "", (char *)NULL }; // TODO: Give me the correct args!

	char buf[10];

	struct execio *testrem;

	size_t readlen;

	ret = execio_open(&testrem, command, cmd); // This path will be absolute for testing, should be relative to install on production

	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);

/* end execio code */

	// Supposedly execio returns 1 if it has bad args.

	if(ret == 1){

		fprintf(stderr, "Generating your key failed. Ensure that ssh-keygen is present!\n"); // Use different executor that searches the path? there is one...

		return 0;

	}

	else{

		fprintf(stderr,"We successfully generated your key! Yay!");

		return 1;

	}

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;

  execio_open(&testrem, "ssh", execargv); // TODO: Grab returns from this someday.

  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. */

  // puts the person's username in the conf

  if(conf_replace(username) == 0){

	  fprintf(stderr, "Failed!\n");

	  return 0;

  }

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