/* $Id: main.c,v 1.4 2006/05/22 20:42:04 hno Exp $ * Copyright (C) 2002 Rodrigo Campos** This program is free software; you can redistribute it and/or modify* it under the terms of the GNU General Public License as published by* the Free Software Foundation; either version 2 of the License, or* (at your option) any later version.* * This program 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 General Public License for more details.* * You should have received a copy of the GNU General Public License* along with this program; if not, write to the Free Software* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.** Author: Rodrigo Campos (rodrigo@geekbunker.org)* */#include "util.h"#include <stdio.h>#include <stdlib.h>#include <unistd.h>#include <string.h>#include "ip_user.h"voidusage (char *program_name){  fprintf (stderr, "Usage:\n%s -f <configuration file>\n",	   program_name);}intmain (int argc, char *argv[]){  FILE *FH;  char *filename = NULL;  char *program_name = argv[0];  char *cp;  char *username, *address;  char line[BUFSIZE];  struct ip_user_dict *current_entry;  int ch;  setvbuf (stdout, NULL, _IOLBF, 0);  while ((ch = getopt (argc, argv, "f:")) != -1) {    switch (ch) {    case 'f':      filename = optarg;      break;    default:      usage (program_name);      exit (1);    }  }  if (filename == NULL) {	    usage (program_name);	exit(1);  }  FH = fopen (filename, "r");  current_entry = load_dict (FH);  while (fgets (line, sizeof (line), stdin)) {    if ((cp = strchr (line, '\n')) == NULL) {	/* too large message received.. skip and deny */	fprintf(stderr, "%s: ERROR: Too large: %s\n", argv[0], line);	while (fgets(line, sizeof(line), stdin)) {	    fprintf(stderr, "%s: ERROR: Too large..: %s\n", argv[0], line);	    if (strchr(line, '\n') != NULL)		break;	}	goto error;    }    *cp = '\0';    address = strtok (line, " \t");    username = strtok (NULL, " \t");    if (!address || !username) {      fprintf (stderr, "%s: unable to read tokens\n", argv[0]);      goto error;    }    rfc1738_unescape(address);    rfc1738_unescape(username);#ifdef DEBUG    printf ("result: %d\n",	    dict_lookup (current_entry, username, address));#endif    if ((dict_lookup (current_entry, username, address)) != 0) {      printf ("OK\n");    } else {error:      printf ("ERR\n");    }  }  fclose (FH);  return 0;}