/*****************************************************************************
*
* $Id$
* Purpose ...............: Setup Safecracker Data
*
*****************************************************************************
* Copyright (C) 1997-2002
*
* Michiel Broek FIDO: 2:280/2802
* Beekmansbos 10
* 1971 BV IJmuiden
* the Netherlands
*
* This file is part of MBSE safe.
*
* This safe 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.
*
* MB safe 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 MB safe; 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/structs.h"
#include "../lib/users.h"
#include "../lib/records.h"
#include "../lib/common.h"
#include "../lib/clcomm.h"
#include "screen.h"
#include "mutil.h"
#include "ledit.h"
#include "m_global.h"
#include "m_safe.h"
int SafeUpdated = 0;
/*
* Count nr of safecracker records in the database.
* Creates the database if it doesn't exist.
*/
int CountSafe(void)
{
FILE *fil;
char ffile[PATH_MAX];
int count;
sprintf(ffile, "%s/etc/safe.data", getenv("MBSE_ROOT"));
if ((fil = fopen(ffile, "r")) == NULL) {
if ((fil = fopen(ffile, "a+")) != NULL) {
Syslog('+', "created new %s", ffile);
safehdr.hdrsize = sizeof(safehdr);
safehdr.recsize = sizeof(safe);
fwrite(&safehdr, sizeof(safehdr), 1, fil);
fclose(fil);
chmod(ffile, 0660);
return 0;
} else
return -1;
}
count = 0;
fread(&safehdr, sizeof(safehdr), 1, fil);
while (fread(&safe, safehdr.recsize, 1, fil) == 1) {
count++;
}
fclose(fil);
return count;
}
/*
* Open database for editing. The datafile is copied, if the format
* is changed it will be converted on the fly. All editing must be
* done on the copied file.
*/
int OpenSafe(void);
int OpenSafe(void)
{
FILE *fin, *fout;
char fnin[PATH_MAX], fnout[PATH_MAX];
long oldsize;
sprintf(fnin, "%s/etc/safe.data", getenv("MBSE_ROOT"));
sprintf(fnout, "%s/etc/safe.temp", getenv("MBSE_ROOT"));
if ((fin = fopen(fnin, "r")) != NULL) {
if ((fout = fopen(fnout, "w")) != NULL) {
fread(&safehdr, sizeof(safehdr), 1, fin);
/*
* In case we are automaic upgrading the data format
* we save the old format. If it is changed, the
* database must always be updated.
*/
oldsize = safehdr.recsize;
if (oldsize != sizeof(safe)) {
SafeUpdated = 1;
Syslog('+', "Upgraded %s, format changed", fnin);
} else
SafeUpdated = 0;
safehdr.hdrsize = sizeof(safehdr);
safehdr.recsize = sizeof(safe);
fwrite(&safehdr, sizeof(safehdr), 1, fout);
/*
* The datarecord is filled with zero's before each
* read, so if the format changed, the new fields
* will be empty.
*/
memset(&safe, 0, sizeof(safe));
while (fread(&safe, oldsize, 1, fin) == 1) {
fwrite(&safe, sizeof(safe), 1, fout);
memset(&safe, 0, sizeof(safe));
}
fclose(fin);
fclose(fout);
return 0;
} else
return -1;
}
return -1;
}
void CloseSafe(int);
void CloseSafe(int force)
{
char fin[PATH_MAX], fout[PATH_MAX];
sprintf(fin, "%s/etc/safe.data", getenv("MBSE_ROOT"));
sprintf(fout,"%s/etc/safe.temp", getenv("MBSE_ROOT"));
if (SafeUpdated == 1) {
if (force || (yes_no((char *)"Database is changed, save changes") == 1)) {
working(1, 0, 0);
if ((rename(fout, fin)) == 0)
unlink(fout);
chmod(fin, 0660);
Syslog('+', "Updated \"safe.data\"");
return;
}
}
chmod(fin, 0660);
working(1, 0, 0);
unlink(fout);
}
/*
* Edit one record, return -1 if there are errors, 0 if ok.
*/
int EditSafeRec(int Area)
{
FILE *fil;
char mfile[PATH_MAX];
long offset;
int j, Open;
unsigned long crc, crc1;
clr_index();
working(1, 0, 0);
IsDoing("Edit Safe");
sprintf(mfile, "%s/etc/safe.temp", getenv("MBSE_ROOT"));
if ((fil = fopen(mfile, "r")) == NULL) {
working(2, 0, 0);
return -1;
}
offset = sizeof(safehdr) + ((Area -1) * sizeof(safe));
if (fseek(fil, offset, 0) != 0) {
working(2, 0, 0);
return -1;
}
fread(&safe, sizeof(safe), 1, fil);
fclose(fil);
crc = 0xffffffff;
crc = upd_crc32((char *)&safe, crc, sizeof(safe));
working(0, 0, 0);
set_color(WHITE, BLACK);
mvprintw( 5, 5, "8.8 EDIT safe");
set_color(CYAN, BLACK);
mvprintw( 7, 5, "1. Name");
mvprintw( 8, 5, "2. Date");
mvprintw( 9, 5, "3. Tries");
mvprintw(10, 5, "4. Opended");
for (;;) {
set_color(WHITE, BLACK);
show_str( 7,17,35, safe.Name);
show_str( 8,17,10, safe.Date);
show_int( 9,17, safe.Trys);
show_bool(10,17, safe.Opened);
j = select_menu(4);
switch(j) {
case 0: crc1 = 0xffffffff;
crc1 = upd_crc32((char *)&safe, crc1, sizeof(safe));
if (crc != crc1) {
if (yes_no((char *)"Record is changed, save") == 1) {
working(1, 0, 0);
if ((fil = fopen(mfile, "r+")) == NULL) {
working(2, 0, 0);
return -1;
}
fseek(fil, offset, 0);
fwrite(&safe, sizeof(safe), 1, fil);
fclose(fil);
SafeUpdated = 1;
working(1, 0, 0);
working(0, 0, 0);
}
}
IsDoing("Browsing Menu");
return 0;
case 1: E_STR( 7,17,35, safe.Name, "The Safecrackers ^Username^")
case 2: E_STR( 8,17,10, safe.Date, "The ^last date^ attempt to open the safe (DD-MM-YYYY)")
case 3: E_INT( 9,17, safe.Trys, "The ^number of tries^ for today to open the safe")
case 4: Open = edit_bool(10,17, safe.Opened, (char *)"Set or reset the safe ^cracked^ status");
if (safe.Opened && !Open) {
safe.Opened = FALSE;
safe.Trys = 0;
}
break;
}
}
return 0;
}
void EditSafe(void)
{
int records, i, x, y, o;
char pick[12];
FILE *fil;
char temp[PATH_MAX];
long offset;
clr_index();
working(1, 0, 0);
IsDoing("Browsing Menu");
if (config_read() == -1) {
working(2, 0, 0);
return;
}
records = CountSafe();
if (records == -1) {
working(2, 0, 0);
return;
}
if (OpenSafe() == -1) {
working(2, 0, 0);
return;
}
working(0, 0, 0);
o = 0;
for (;;) {
clr_index();
set_color(WHITE, BLACK);
mvprintw( 5, 5, "8.8 SAFE CRACKER SETUP");
set_color(CYAN, BLACK);
if (records != 0) {
sprintf(temp, "%s/etc/safe.temp", getenv("MBSE_ROOT"));
working(1, 0, 0);
if ((fil = fopen(temp, "r")) != NULL) {
fread(&safehdr, sizeof(safehdr), 1, fil);
x = 2;
y = 7;
set_color(CYAN, BLACK);
for (i = 1; i <= 20; i++) {
if (i == 11) {
x = 42;
y = 7;
}
if ((o + i) <= records) {
offset = sizeof(safehdr) + (((o + i) - 1) * safehdr.recsize);
fseek(fil, offset, 0);
fread(&safe, safehdr.recsize, 1, fil);
if (safe.Opened)
set_color(LIGHTRED, BLACK);
else
set_color(CYAN, BLACK);
sprintf(temp, "%3d. %-32s", o + i, safe.Name);
temp[38] = '\0';
mvprintw(y, x, temp);
y++;
}
}
fclose(fil);
}
}
working(0, 0, 0);
strcpy(pick, select_pick(records,20));
if (strncmp(pick, "-", 1) == 0) {
CloseSafe(FALSE);
return;
}
if (strncmp(pick, "N", 1) == 0)
if ((o + 20) < records)
o = o + 20;
if (strncmp(pick, "P", 1) == 0)
if ((o - 20) >= 0)
o = o - 20;
if ((atoi(pick) >= 1) && (atoi(pick) <= records)) {
EditSafeRec(atoi(pick));
o = ((atoi(pick) - 1) / 20) * 20;
}
}
}
void InitSafe(void)
{
CountSafe();
OpenSafe();
CloseSafe(TRUE);
}