/* $Header: /CVSROOT/debris/debris.c,v 1.4 2005/08/15 00:47:45 tino Exp $
 *
 * DebRIS: DEBian Remote Install Scripter
 * Main
 *
 * $Log: debris.c,v $
 * Revision 1.4  2005/08/15 00:47:45  tino
 * updates for DebRIS improvements
 *
 * Revision 1.3  2005/08/13 22:59:12  tino
 * additional functions, see ChangeLog
 *
 * Revision 1.2  2005/07/25 03:04:18  tino
 * snprintf usage and minor other changes
 *
 * Revision 1.1  2005/06/01 02:12:34  tino
 * first version.  As SirbeD is missing, this just does nothing yet.
 */

#define _GNU_SOURCE		1
#define _FILE_OFFSET_BITS	64

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <time.h>
#include <unistd.h>
#include <ctype.h>
#include <errno.h>

#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <fcntl.h>

struct dris_config
  {
    int			debug, verbose;

    const char		*url;
    const char		*pw;
    char		id[100];
    unsigned long	pid, ppid;
    int			fd;	/* monitoring fd	*/

    unsigned long long	cnt;
    int			result;
    struct dris_buf	*out, *in;	/* drisbuf.h	*/
    int			data;		/* into in	*/
  } config;

#include "debris_version.h"

#include "dristool.h"
#include "drismd5.h"
#include "drisbuf.h"
#include "drisexec.h"
#include "driscmds.h"
#include "drisnext.h"

int
main(int argc, char **argv)
{
  static const char	vers[]	= DEBRIS_VERSION;

  config.debug		= 0;
  if (argc>1 && !strcmp(argv[1], "-d"))
    {
      config.debug	= 1;
      argc--;
      argv++;
    }
  config.verbose	= 0;
  if (argc>1 && !strcmp(argv[1], "-v"))
    {
      config.verbose	= 1;
      argc--;
      argv++;
    }

  if (argc!=3)
    {
      fprintf(stderr,
	      "Usage: ./debris [-d] [-v] url password >/dev/null\n"
	      "\t\tversion %s compiled " __DATE__ "\n"
	      "\t-d switches into debug mode\n"
	      "\t-v switches into verbose mode\n"
	      "\tURL points to a web server running SirbeD\n"
	      "\tPASSWORD is the session password (failsafe proof)\n"
	      "\tset env var all_proxy if to use a proxy\n"
	      , vers
	      );
      return 1;
    }

  /* some initialization
   */

  signal(SIGALRM, SIG_IGN);

  /* setup env
   */

  config.url	= argv[1];
  config.pw	= argv[2];
  config.cnt	= 0;
  config.pid	= getpid();
  config.ppid	= getppid();
  snprintf(config.id, sizeof config.id, "%llu.%llu %lu %lu",
	   (unsigned long long)time(NULL),
	   (unsigned long long)clock(),
	   config.pid,
	   config.ppid);

  config.out	= dris_buf_add_s(dris_buf_new(), vers);

  /* a really simple command loop
   */
  while (dris_next())
    config.result	= dris_cmd();
  return 0;
}