/*****************************************************************************
*
* $Id$
* Purpose ...............: Safe Door
*
*****************************************************************************
* Copyright (C) 1997-2002
*
* Michiel Broek FIDO: 2:280/2802
* Beekmansbos 10
* 1971 BV IJmuiden
* the Netherlands
*
* This file is part of MBSE BBS.
*
* This BBS 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, or (at your option) any
* later version.
*
* MBSE BBS 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 MBSE BBS; see the file COPYING. If not, write to the Free
* Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*****************************************************************************/
#include "../config.h"
#include "../lib/libs.h"
#include "../lib/memwatch.h"
#include "../lib/mbse.h"
#include "../lib/structs.h"
#include "../lib/users.h"
#include "../lib/records.h"
#include "../lib/clcomm.h"
#include "../lib/common.h"
#include "whoson.h"
#include "dispfile.h"
#include "input.h"
#include "misc.h"
#include "safe.h"
#include "timeout.h"
#include "language.h"
FILE *pSafe;
int iLoop, iFirst, iSecond, iThird;
char sFirst[4], sSecond[4], sThird[4];
int cracked;
int tries;
int getdigits(void);
int SafeCheckUser(int);
void Safe(void)
{
long isize;
int i;
isize = sizeof(int);
srand(Time_Now);
cracked = FALSE;
tries = 0;
WhosDoingWhat(SAFE);
Syslog('+', "User starts Safe Cracker Door");
Enter(1);
/* Safe Cracker Door */
pout(WHITE, BLACK, (char *) Language(86));
Enter(1);
clear();
DisplayFile(CFG.sSafeWelcome);
if (SafeCheckUser(TRUE) == TRUE)
return;
/* In the safe lies */
pout(WHITE, BLACK, (char *) Language(87));
fflush(stdout);
alarm_on();
Getone();
clear();
Enter(2);
pout(LIGHTGREEN, BLACK, (char *) Language(88));
Enter(2);
colour(LIGHTMAGENTA, BLACK);
printf("%s", CFG.sSafePrize);
Enter(2);
/* Do you want to open the safe ? [Y/n]: */
pout(WHITE, BLACK, (char *) Language(102));
fflush(stdout);
alarm_on();
i = toupper(Getone());
if (i == Keystroke(102, 1)) {
Syslog('+', "User exited Safe Cracker Door");
return;
}
/*
* Loop until the safe is opened, maximum trys
* exceeded or the user is tired of this door.
*/
while (TRUE) {
/* Get digits, TRUE if safe cracked. */
if (getdigits() == TRUE) {
SafeCheckUser(FALSE);
break;
}
Enter(1);
/* Do you want to try again ? [Y/n]: */
pout(LIGHTRED, BLACK, (char *) Language(101));
fflush(stdout);
alarm_on();
i = toupper(Getone());
if (i == Keystroke(101, 1)) {
SafeCheckUser(FALSE);
break;
}
if (SafeCheckUser(FALSE) == TRUE)
break;
}
Syslog('+', "User exited Safe Cracker Door");
}
/*
* Ask use for digits, returns TRUE if the safe is cracked.
*/
int getdigits(void)
{
int i;
char temp[81];
colour(WHITE, BLACK);
/* Please enter three numbers consisting from 1 to */
printf("\n\n%s%d\n", (char *) Language(89), CFG.iSafeMaxNumber);
/* Please enter three combinations. */
printf("%s", (char *) Language(90));
while (TRUE) {
Enter(2);
/* 1st Digit */
pout(LIGHTRED, BLACK, (char *) Language(91));
colour(LIGHTBLUE, BLACK);
fflush(stdout);
Getnum(sFirst, 2);
sprintf(temp, "1st: %s", sFirst);
if((strcmp(sFirst, "")) != 0) {
iFirst=atoi(sFirst);
}
if((iFirst > CFG.iSafeMaxNumber) || (iFirst <= 0) || (strcmp(sFirst, "") == 0)) {
colour(WHITE, BLUE);
/* Please try again! You must input a number greater than Zero and less than */
printf("\n%s%d.", (char *) Language(92), CFG.iSafeMaxNumber);
} else
break;
}
while (TRUE) {
Enter(1);
/* 2nd digit: */
pout(LIGHTRED, BLACK, (char *) Language(93));
colour(LIGHTBLUE, BLACK);
fflush(stdout);
Getnum(sSecond, 2);
sprintf(temp, "2nd: %s", sSecond);
if((strcmp(sSecond, "")) != 0) {
iSecond=atoi(sSecond);
}
if((iSecond > CFG.iSafeMaxNumber) || (iSecond <= 0) || (strcmp(sSecond, "") == 0)) {
colour(WHITE, BLUE);
/* Please try again! You must input a number greater than Zero and less than */
printf("\n%s%d.\n", (char *) Language(92), CFG.iSafeMaxNumber);
} else
break;
}
while (TRUE) {
Enter(1);
pout(LIGHTRED, BLACK, (char *) Language(94));
colour(LIGHTBLUE, BLACK);
fflush(stdout);
Getnum(sThird, 2);
sprintf(temp, "3rd: %s", sThird);
if((strcmp(sThird, "")) != 0) {
iThird=atoi(sThird);
}
if((iThird > CFG.iSafeMaxNumber) || (iThird <= 0) || (strcmp(sThird, "") == 0)) {
colour(WHITE, BLUE);
/* Please try again! You must input a number greater than Zero and less than */
printf("\n%s%d.\n", (char *) Language(92), CFG.iSafeMaxNumber);
} else
break;
}
/* Left: */
Enter(1);
pout(LIGHTRED, BLACK, (char *) Language(95));
poutCR(LIGHTBLUE, BLACK, sFirst);
/* Right: */
pout(LIGHTRED, BLACK, (char *) Language(96));
poutCR(LIGHTBLUE, BLACK, sSecond);
/* Left: */
pout(LIGHTRED, BLACK, (char *) Language(95));
poutCR(LIGHTBLUE, BLACK, sThird);
Enter(1);
/* Attempt to open safe with this combination [Y/n]: */
pout(LIGHTRED, BLACK, (char *) Language(97));
fflush(stdout);
alarm_on();
i = toupper(Getone());
sprintf(temp, "%c", i);
if ((i == Keystroke(97, 0)) || (i == 13)) {
printf("\n\n");
tries++;
Syslog('+', "Attempt %d with combination %d %d %d", tries, iFirst, iSecond, iThird);
/* Left: */
pout(LIGHTRED, BLACK, (char *) Language(95));
for (iLoop = 0; iLoop < iFirst; iLoop++) {
pout(YELLOW, BLACK, (char *)".");
fflush(stdout);
usleep(100000);
}
poutCR(LIGHTBLUE, BLACK, sFirst);
/* Right: */
pout(LIGHTRED, BLACK, (char *) Language(96));
for (iLoop = 0; iLoop < iSecond; iLoop++) {
pout(YELLOW, BLACK, (char *)".");
fflush(stdout);
usleep(100000);
}
poutCR(LIGHTBLUE, BLACK, sSecond);
/* Left: */
pout(LIGHTRED, BLACK, (char *) Language(95));
for (iLoop = 0; iLoop < iThird; iLoop++) {
pout(YELLOW, BLACK, (char *)".");
fflush(stdout);
usleep(100000);
}
poutCR(LIGHTBLUE, BLACK, sThird);
if(CFG.iSafeNumGen) {
CFG.iSafeFirstDigit = (rand() % CFG.iSafeMaxNumber) + 1;
CFG.iSafeSecondDigit = (rand() % CFG.iSafeMaxNumber) + 1;
CFG.iSafeThirdDigit = (rand() % CFG.iSafeMaxNumber) + 1;
}
if ((CFG.iSafeFirstDigit == iFirst) && (CFG.iSafeSecondDigit == iSecond) && (CFG.iSafeThirdDigit == iThird)) {
DisplayFile(CFG.sSafeOpened);
cracked = TRUE;
Enter(1);
/* You have won the following... */
pout(LIGHTRED, BLACK, (char *) Language(98));
Enter(2);
poutCR(LIGHTMAGENTA, BLACK, CFG.sSafePrize);
Enter(1);
Syslog('!', "User opened Safe Cracker Door");
Pause();
return TRUE;
}
Enter(1);
pout(LIGHTGREEN, BLACK, (char *) Language(99));
Enter(1);
if(CFG.iSafeNumGen) {
Enter(1);
/* The safe code was: */
pout(LIGHTRED, BLACK, (char *) Language(100));
Enter(2);
colour(LIGHTRED, BLACK);
/* Left: */
printf("%s%d\n", (char *) Language(95), CFG.iSafeFirstDigit);
/* Right */
printf("%s%d\n", (char *) Language(96), CFG.iSafeSecondDigit);
/* Left */
printf("%s%d\n", (char *) Language(95), CFG.iSafeThirdDigit);
}
Enter(1);
/* Please press key to continue */
pout(LIGHTGREEN, BLACK, (char *) Language(87));
alarm_on();
getchar();
}
return FALSE;
}
/*
* Returns true when safe already cracked or maximum trys exceeded
*/
int SafeCheckUser(int init)
{
char *File, *Name, *Date;
File = calloc(PATH_MAX, sizeof(char));
Name = calloc(50, sizeof(char));
Date = calloc(50, sizeof(char));
sprintf(Name, "%s", exitinfo.sUserName);
sprintf(Date, "%s", (char *) GetDateDMY());
sprintf(File, "%s/etc/safe.data", getenv("MBSE_ROOT"));
if ((pSafe = fopen(File, "r+")) == NULL) {
if ((pSafe = fopen(File, "w")) != NULL) {
safehdr.hdrsize = sizeof(safehdr);
safehdr.recsize = sizeof(safe);
fwrite(&safehdr, sizeof(safehdr), 1, pSafe);
sprintf(safe.Date, "%s", (char *) GetDateDMY());
sprintf(safe.Name, "%s", Name);
safe.Trys = 0;
safe.Opened = FALSE;
fwrite(&safe, sizeof(safe), 1, pSafe);
fclose(pSafe);
chmod(File, 0660);
}
} else {
fread(&safehdr, sizeof(safehdr), 1, pSafe);
/*
* Check if safe already cracked
*/
while (fread(&safe, safehdr.recsize, 1, pSafe) == 1) {
if (safe.Opened) {
fclose(pSafe);
Syslog('+', "Safe is currently LOCKED - exiting door.");
/* THE SAFE IS CURRENTLY LOCKED */
poutCR(WHITE, RED, (char *) Language(103));
Enter(1);
colour(LIGHTRED, BLACK);
/* has cracked the safe. */
printf("%s, %s\n", safe.Name, (char *) Language(104));
/* The safe will remain locked until the sysop rewards the user. */
pout(LIGHTGREEN, BLACK, (char *) Language(105));
Enter(2);
Pause();
free(File);
free(Name);
free(Date);
return TRUE;
}
}
fseek(pSafe, safehdr.hdrsize, SEEK_SET);
/*
* Check if this user is already in the database
*/
while (fread(&safe, safehdr.recsize, 1, pSafe) == 1) {
if ((strcmp(Name, safe.Name)) == 0) {
if ((strcmp(Date, safe.Date)) != 0) {
/*
* User found, but last time used is not today.
* Reset this user.
*/
fseek(pSafe, - safehdr.recsize, SEEK_CUR);
sprintf(safe.Date, "%s", (char *) GetDateDMY());
safe.Trys = 0;
tries = 0;
safe.Opened = FALSE;
fwrite(&safe, safehdr.recsize, 1, pSafe);
fclose(pSafe);
free(File);
free(Name);
free(Date);
return FALSE;
} else {
/*
* User found, last time is today, check attempts
*/
fseek(pSafe, - safehdr.recsize, SEEK_CUR);
if (init)
tries = safe.Trys;
else {
safe.Trys = tries;
}
safe.Opened = cracked;
fwrite(&safe, safehdr.recsize, 1, pSafe);
fclose(pSafe);
free(File);
free(Name);
free(Date);
if (safe.Trys >= CFG.iSafeMaxTrys) {
Syslog('+', "Maximum trys per day exceeded");
Enter(2);
/* Maximum trys per day exceeded */
pout(WHITE, BLACK, (char *) Language(106));
Enter(1);
sleep(3);
return TRUE;
}
return FALSE;
}
}
}
/*
* User not found, append new record
*/
fclose(pSafe);
if ((pSafe = fopen(File, "a")) == NULL) {
WriteError("Can't append to %s", File);
free(File);
free(Name);
free(Date);
return TRUE;
}
fseek(pSafe, 0, SEEK_END);
memset(&safe, 0, sizeof(safe));
sprintf(safe.Date, "%s", (char *) GetDateDMY());
sprintf(safe.Name, "%s", Name);
safe.Trys = 0;
safe.Opened = FALSE;
tries = 0;
fwrite(&safe, sizeof(safe), 1, pSafe);
fclose(pSafe);
Syslog('+', "Append new safe.data record");
}
free(File);
free(Name);
free(Date);
return FALSE;
}