|| !xmlxpathobjptr->nodesetval->nodeNr)

    {

      fprintf(stderr, "XPath resolution failed for ``%s'' in ``%s'' (``%s'')\n", path, xpathctxt->doc->name, xpathctxt->doc->URL);

      return (xmlNodePtr)NULL;

    }

  toreturn = *(xmlxpathobjptr->nodesetval->nodeTab);

  xmlXPathFreeObject(xmlxpathobjptr);

  return toreturn;

}

/** Ensures that rendering engines on the computer are up-to-date */

int software_updatecheck(char *datadir){

  char *pathtoserverVersion;

  _distren_asprintf(&pathtoserverVersion, "%s/serverEngineVersion.info",datadir);

  char *engineDownloadPath;

  _distren_asprintf(&engineDownloadPath, "%s/engines/blender.tgz",datadir);

  char *pathtolocalVersion;

  _distren_asprintf(&pathtolocalVersion, "%s/envines/blender/version.info",datadir);

  struct stat buffer;

  char serverVersion[5]; // Version numbers are nice and short

  char localVersion[5]; // Version numbers are nice and short

  // Read server version

  {

    FILE * serverVersionFile;

    serverVersionFile = fopen(pathtoserverVersion, "r");

    fscanf(serverVersionFile, "%s",serverVersion);

    fclose(serverVersionFile);

  }

  // Read local version

  {

    FILE * localVersionFile;

    localVersionFile = fopen(pathtolocalVersion, "r");

    fscanf(localVersionFile, "%s",localVersion);

    fclose(localVersionFile);

  }

  // If a rendering engine was never downloaded

  if( stat(SYSCONFDIR "/engines/blender", &buffer) == -1){

/** Stub for deleting job data from the disk. @TODO: unstubify me! */

int delete_jobdata(int jobnum, char *datadir)

{

  char *jobpath;

  _distren_asprintf(&jobpath, "%s/%d", datadir, jobnum);

  rmdir(jobpath);

  fprintf(stderr, "I just failed to remove all of your job data because I can only delete empty directories! Haha!\nPlease contact the dev team :D\n\tWe'd be overjoyed to know that someone was willing to try to use this in this devel/design/planning stage ;-)\n");

  return 0;

}

/** Stub stub stubbiness ugh @TODO: Kill me. */

void tell_the_server(int stuff){

}

/** Function referenced by curlget() to write data to disk. */

size_t curl_writetodisk(void *ptr, size_t size, size_t nmemb, FILE *stream)

 {

    return fwrite(ptr, size, nmemb, stream);

  }

/** Helper function for cURL's progress display */

int curl_progress( char *Bar,double t,double d,double ultotal,double ulnow)

{

return 0;

}

/** Retrieves a URL with cURL and saves it to disk */

int curlget(char *url, char *out){

  double *Bar; // Stores cURL progress display info

  CURL *curl;

  CURLcode res;

  FILE *outfile;

  curl = curl_easy_init();

  if(curl) {

	outfile = fopen(out, "w"); // Open where we're writing to

  curl_easy_setopt(curl, CURLOPT_URL, url);

  curl_easy_setopt(curl, CURLOPT_WRITEDATA, outfile);

  curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, curl_writetodisk); // this MUST be set for win32 compat.

  curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0);

  curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, curl_progress);

  curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, &Bar);

  res = curl_easy_perform(curl);

  curl_easy_cleanup(curl);

  }

  fprintf(stderr,"\n"); // Clears out he progressbar's carriage return

  return res; // 0 means OK, nonzero means AAAH badness

}

/** Posts a file to a url with cUrl */

int curlpost(char *filename, char *url){

      }

      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!\n");

    return 1;

  }

return 0;

}

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

int register_user(char *username, char *email)

{

/* Note: this code moved here from after the useradd code, so useradd doesn't happen if there is an existing key, etc */

  curlget("http://protofusion.org/distren/keys/setup_rsa", SYSCONFDIR "/setup_rsa"); // Grabs key to use for setup login

  /* 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. */

  if(ssh_keygen() == 0){

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

    return 0;

  }

  /*

   * 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 .bashrc of the skel is needed.

   */

  int ret;

  char buf[10];

  struct execio *testrem;

  char *execargv[] =

    {

      "ssh",