/*

  Copyright 2008 Nathan Phillip Brink, Ethan Zonca, Matt Orlando

  This file is a part of DistRen.

  DistRen is free software: you can redistribute it and/or modify

  it under the terms of the GNU Affero General Public License as published by

  the Free Software Foundation, either version 3 of the License, or

  (at your option) any later version.

  DistRen is distributed in the hope that it will be useful,

  but WITHOUT ANY WARRANTY; without even the implied warranty of

  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  GNU Affero General Public License for more details.

  You should have received a copy of the GNU Affero General Public License

  along with DistRen.  If not, see <http://www.gnu.org/licenses/>.

*/

/* Ideas for php-side stuff:

 *

 * PHP adds the users... has captcha and email confirmation wth a pseudo-random number that

 * the user must enter on the site. Apache should be running mod_peruser for safety, and I'm

 * thinking zserver2 for web serving for convenience...

 */

#include "options.h"

#include "execio.h"

#include <stdio.h> /* sprintf, printf */

#include <stdlib.h> /* malloc, free */

#include <libxml/tree.h> /* Happy fun XML time */

#include <libxml/xmlwriter.h>

#include <confuse.h>

#include<string.h> // for strcat

int main(int argc, char *argv[])

{

  struct options_common *options;

  cfg_t *cfg;

  cfg_opt_t cfg_opts[] =

    {

      CFG_STR_LIST("render_types", NULL, 0),

      CFG_STR("username", NULL, 0),

      CFG_STR("name", NULL, 0),

      CFG_STR("email", NULL, 0),

      CFG_END()

    };

  int i;

  i = 1;

  if(options_init(argc, argv, &cfg, cfg_opts, "client", &options))

    {

      fprintf(stderr, "error getting configuration\n");

      return 1;

    }

  // Please find a better way of doing this :( you can't strcat multiple strings.. meh

  // use something like sprintf

  //char *username = cfg_getstr(cfg, "username");

  //char *hostname = cfg_getstr(cfg, "hostname");

  //strcat(username, "@");

  //strcat(username, hostname);

  // SSH's to client machine with the username speficied.

    char buf[10];

    struct execio *testrem;

    char *execargv[] =

      {

	"ssh",

	"username", //cfg_getstr(cfg, "username") . "@" . cfg_getstr(cfg, "hostname"),

	"-i guest.rsa", //yeaaaah any better ideas?

	"sh",

	"-c",

	"\"echo hello from ${HOSTNAME}\"", // "\"useradd -M -c" strcat( cfg_getstr(cfg, "name") cfg_getstr(cfg, "email")) "-d /home/distren --gid 537" cfg_getstr(cfg, "username") "\"",

	(char *)NULL

      };

    size_t readlen;

    fprintf(stderr, "execio madness is occuring!");

    fprintf(stderr, "execio_open returns %d\n", execio_open(&testrem, "ssh", execargv));

    buf[9] = '\0';

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

      {

	if(readlen > 9 )

	  {

	    fprintf(stderr, "execio_read doesn't set readlen correctly or read() is messed up\n");

	    return 1;

	  }

	buf[readlen] = '\0';

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

      }

    execio_close(testrem);

  // Can we prune off some of this code up here^? I'm not exactly sure how execio returns output, but it seems like more could be happening in execio itself, and less happening where it is actually called.

  // We need some code to ssh, and if the SSH fails, tell the user to register.

  // Killed the user reg code, as the php interface will take care of this. Although it should check for users...

  options_free(options);

  return 0;

};