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- /*
- FIPS - the First nondestructive Interactive Partition Splitting program
-
- Module main.cpp
-
- RCS - Header:
- $Header: c:/daten/fips/source/main/RCS/main.cpp 1.1 1994/05/25 22:20:03 schaefer Exp schaefer $
-
- Copyright (C) 1993 Arno Schaefer
-
- 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.
-
-
- Report problems and direct all questions to:
-
- schaefer@rbg.informatik.th-darmstadt.de
- */
-
- #include <stdlib.h>
- #include "logdr_st.h"
- #include "global.h"
- #include "input.h"
- #include "fat.h"
- #include "fipsspec.h"
- #include "host_os.h"
-
-
- void main (int argc,char *argv[])
- {
- evaluate_argument_vector (argc,argv);
-
- atexit (exit_function);
-
- if (global.debug_mode) global.open_debugfile(argc,argv);
-
- notice();
-
- int drive_number;
- if (global.drive_number_cmdline) drive_number = global.drive_number_cmdline;
- else drive_number = ask_for_drive_number ();
-
- host_os os;
- char infostring[256];
-
- if (os.ok () != OK)
- {
- printx ("\nWARNING: FIPS has detected that it is running under %s\n"
- "FIPS should not be used under a multitasking OS. If possible, boot from a DOS\n"
- "disk and then run FIPS. Read FIPS.DOC for more information.\n\n",
- os.information (infostring));
- ask_if_proceed ();
- }
-
- fips_harddrive harddrive (drive_number);
-
- if (harddrive.errorcode)
- error ("Error reading Drive Geometry: Errorcode %u",harddrive.errorcode);
-
- harddrive.reset();
-
- if (harddrive.errorcode)
- error ("Drive Initialization Failure: Errorcode %u",harddrive.errorcode);
-
- if (harddrive.rootsector->read ())
- error ("Error reading Root Sector");
-
- if (global.debug_mode)
- {
- fprintf (global.debugfile,"\nRoot Sector Drive %02Xh:\n\n",drive_number);
- hexwrite (harddrive.rootsector->data,512,global.debugfile);
- }
-
- fips_partition *partition;
-
- while (true)
- {
- fips_harddrive hd = harddrive;
-
- hd.partition_table().get (hd.rootsector);
-
- printx ("\nPartition Table:\n\n");
- hd.print_partition_table ();
-
- hd.check();
-
- int partition_number;
- if (global.partition_number_cmdline) partition_number = global.partition_number_cmdline - 1;
- else partition_number = ask_for_partition_number (hd.partition_table().partition_info);
-
- partition = new fips_partition (&hd,partition_number);
-
- int system = partition->partition_info->system;
- if (system == 5)
- error ("Can't split extended Partitions");
- if (system == 0)
- error ("Invalid Partition selected: %u",partition_number + 1);
- if ((system != 1) && (system != 4) && (system != 6))
- error ("Unknown Filesystem: %02Xh",system);
-
- if (partition->bootsector->read ())
- error ("Error reading Boot Sector");
-
- if (global.debug_mode)
- {
- fprintf (global.debugfile,"\nBoot Sector Drive %02Xh, Partition %u:\n\n",hd.number,partition->number + 1);
- hexwrite (partition->bootsector->data,512,global.debugfile);
- }
-
- partition->bpb().get (partition->bootsector);
-
- printx ("\nBootsector:\n\n");
- partition->print_bpb ();
-
- partition->info().get (partition->bpb());
- if (global.debug_mode) partition->write_info_debugfile ();
-
- partition->check();
-
- fat16 fat1 (partition,1);
- fat16 fat2 (partition,2);
-
- fat1.check_against (&fat2);
-
- dword new_part_min_sector = partition->info().start_data + (dword) 4085 * partition->bpb().sectors_per_cluster;
- dword new_part_min_cylinder = (new_part_min_sector + partition->partition_info->start_sector_abs - 1) / (hd.geometry.heads * hd.geometry.sectors) + 1;
-
- if (new_part_min_cylinder > partition->partition_info->end_cylinder)
- error ("Partition too small - can't split");
-
- dword min_free_cluster = fat1.min_cluster ();
- dword min_free_sector = partition->info().start_data + (min_free_cluster - 2) * (dword) partition->bpb().sectors_per_cluster;
- dword min_free_cylinder = (min_free_sector + partition->partition_info->start_sector_abs - 1) / (hd.geometry.heads * hd.geometry.sectors) + 1;
-
- if (min_free_cylinder > partition->partition_info->end_cylinder)
- error ("Last Cylinder is not free");
-
- if (new_part_min_cylinder < min_free_cylinder) new_part_min_cylinder = min_free_cylinder;
-
- if (ask_if_save()) save_root_and_boot(&hd,partition);
-
- dword new_start_cylinder;
- if (global.new_start_cylinder_cmdline)
- {
- new_start_cylinder = global.new_start_cylinder_cmdline;
- if ((new_start_cylinder < new_part_min_cylinder) || (new_start_cylinder > partition->partition_info->end_cylinder))
- error ("Invalid new start cylinder: %lu",new_start_cylinder);
- }
- else new_start_cylinder = ask_for_new_start_cylinder (partition->partition_info->start_cylinder, new_part_min_cylinder,partition->partition_info->end_cylinder, hd.geometry.heads * hd.geometry.sectors);
-
- fat2.check_empty (new_start_cylinder * hd.geometry.heads * hd.geometry.sectors - partition->partition_info->start_sector_abs);
-
- hd.calculate_new_root (new_start_cylinder,partition);
-
- hd.partition_table().put (hd.rootsector);
-
- hd.partition_table().get (hd.rootsector);
-
- printx ("\nNew Partition Table:\n\n");
- hd.print_partition_table ();
-
- hd.check();
-
- if (ask_if_continue ())
- {
- harddrive = hd;
- break;
- }
- }
-
- partition->calculate_new_boot ();
-
- partition->bpb().put (partition->bootsector);
-
- partition->bpb().get (partition->bootsector);
-
- printx ("\nNew Bootsector:\n\n");
- partition->print_bpb ();
-
- partition->info().get (partition->bpb());
- if (global.debug_mode) partition->write_info_debugfile ();
-
- partition->check();
-
- if (!global.test_mode)
- {
- ask_for_write_permission();
-
- if (harddrive.rootsector->write())
- error ("Error writing Root Sector");
-
- if (partition->bootsector->write ())
- error ("Error writing Boot Sector");
-
- printx ("Repartitioning complete\n");
- }
- }
-