testdisk/src/testdisk.c
2009-02-03 09:29:29 +01:00

435 lines
12 KiB
C

/*
File: testdisk.c
Copyright (C) 1998-2008 Christophe GRENIER <grenier@cgsecurity.org>
This software 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 the Free Software Foundation, Inc., 51
Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_LOCALE_H
#include <locale.h> /* setlocale */
#endif
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#include "types.h"
#include "common.h"
#include "intrf.h"
#ifdef HAVE_NCURSES
#include "intrfn.h"
#else
#include <stdio.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "intrface.h"
#include "fnctdsk.h"
#include "dir.h"
#include "ext2_dir.h"
#include "rfs_dir.h"
#include "ntfs_dir.h"
#include "hdcache.h"
#include "ewf.h"
#include "log.h"
#include "hdaccess.h"
#include "sudo.h"
#include "partauto.h"
#include "misc.h"
#include "tdisksel.h"
#include "tlog.h"
extern const arch_fnct_t arch_i386;
extern const arch_fnct_t arch_mac;
extern const arch_fnct_t arch_sun;
#ifdef HAVE_SIGACTION
void sighup_hdlr(int shup)
{
log_critical("SIGHUP detected! TestDisk has been killed.\n");
log_close();
exit(1);
}
#endif
int main( int argc, char **argv )
{
int i;
int use_sudo=0;
int help=0, version=0, verbose=0, dump_ind=0;
int create_log=TD_LOG_NONE;
int do_list=0;
int unit=UNIT_DEFAULT;
int write_used;
int saveheader=0;
int create_backup=0;
int run_setlocale=1;
int done=0;
int safe=0;
int testdisk_mode=TESTDISK_O_RDWR|TESTDISK_O_READAHEAD_8K;
list_disk_t *list_disk=NULL;
list_disk_t *element_disk;
const char *cmd_device=NULL;
char *cmd_run=NULL;
const char *logfile="testdisk.log";
#ifdef TARGET_SOLARIS
const arch_fnct_t *arch=&arch_sun;
#elif defined __APPLE__
const arch_fnct_t *arch=&arch_mac;
#else
const arch_fnct_t *arch=&arch_i386;
#endif
#ifdef HAVE_SIGACTION
struct sigaction action;
#endif
FILE *log_handle=NULL;
/* srand needed for GPT creation (weak is ok) */
srand(time(NULL));
#ifdef HAVE_SIGACTION
/* set up the signal handler for SIGHUP */
action.sa_handler = sighup_hdlr;
action.sa_flags = 0;
if(sigaction(SIGHUP, &action, NULL)==-1)
{
printf("Error on SIGACTION call\n");
return -1;
}
#endif
printf("TestDisk %s, Data Recovery Utility, %s\nChristophe GRENIER <grenier@cgsecurity.org>\nhttp://www.cgsecurity.org\n",VERSION,TESTDISKDATE);
for(i=1;i<argc;i++)
{
if((strcmp(argv[i],"/dump")==0) || (strcmp(argv[i],"-dump")==0))
dump_ind=1;
else if((strcmp(argv[i],"/logname")==0) ||(strcmp(argv[i],"-logname")==0))
{
if(i+2>=argc)
help=1;
else
logfile=argv[++i];
}
else if((strcmp(argv[i],"/log")==0) ||(strcmp(argv[i],"-log")==0))
{
if(create_log==TD_LOG_NONE)
create_log=TD_LOG_APPEND;
}
else if((strcmp(argv[i],"/debug")==0) || (strcmp(argv[i],"-debug")==0))
{
verbose++;
if(create_log==TD_LOG_NONE)
create_log=TD_LOG_APPEND;
}
else if((strcmp(argv[i],"/all")==0) || (strcmp(argv[i],"-all")==0))
testdisk_mode|=TESTDISK_O_ALL;
else if((strcmp(argv[i],"/backup")==0) || (strcmp(argv[i],"-backup")==0))
create_backup=1;
else if((strcmp(argv[i],"/direct")==0) || (strcmp(argv[i],"-direct")==0))
testdisk_mode|=TESTDISK_O_DIRECT;
else if((strcmp(argv[i],"/help")==0) || (strcmp(argv[i],"-help")==0) || (strcmp(argv[i],"--help")==0) ||
(strcmp(argv[i],"/h")==0) || (strcmp(argv[i],"-h")==0))
help=1;
else if((strcmp(argv[i],"/version")==0) || (strcmp(argv[i],"-version")==0) || (strcmp(argv[i],"--version")==0) ||
(strcmp(argv[i],"/v")==0) || (strcmp(argv[i],"-v")==0))
version=1;
else if(strcmp(argv[i],"/list")==0 || strcmp(argv[i],"-list")==0 || strcmp(argv[i],"-l")==0)
{
do_list=1;
}
else if(strcmp(argv[i],"-lu")==0)
{
do_list=1;
unit=UNIT_SECTOR;
}
else if((strcmp(argv[i],"/nosetlocale")==0) || (strcmp(argv[i],"-nosetlocale")==0))
run_setlocale=0;
else if((strcmp(argv[i],"/safe")==0) || (strcmp(argv[i],"-safe")==0))
safe=1;
else if((strcmp(argv[i],"/saveheader")==0) || (strcmp(argv[i],"-saveheader")==0))
saveheader=1;
else if(strcmp(argv[i],"/cmd")==0)
{
if(i+2>=argc)
help=1;
else
{
disk_t *disk_car;
cmd_device=argv[++i];
cmd_run=argv[++i];
disk_car=file_test_availability(cmd_device,verbose,arch,testdisk_mode);
if(disk_car==NULL)
{
printf("\nUnable to open file or device %s\n",cmd_device);
help=1;
}
else
list_disk=insert_new_disk(list_disk,disk_car);
}
}
else
{
disk_t *disk_car=file_test_availability(argv[i],verbose,arch,testdisk_mode);
if(disk_car==NULL)
{
printf("\nUnable to open file or device %s\n",argv[i]);
help=1;
}
else
list_disk=insert_new_disk(list_disk,disk_car);
}
}
if(version!=0)
{
printf("\n");
printf("Version: %s\n", VERSION);
printf("Compiler: %s\n", get_compiler());
printf("ext2fs lib: %s, ntfs lib: %s, reiserfs lib: %s, ewf lib: %s\n",
td_ext2fs_version(), td_ntfs_version(), td_reiserfs_version(), td_ewf_version());
printf("OS: %s\n" , get_os());
return 0;
}
if(help!=0)
{
printf("\n" \
"Usage: testdisk [/log] [/debug] [file.dd|file.e01|device]\n"\
" testdisk /list [/log] [file.dd|file.e01|device]\n" \
" testdisk /version\n" \
"\n" \
"/log : create a testdisk.log file\n" \
"/debug : add debug information\n" \
"/list : display current partitions\n" \
"\n" \
"TestDisk checks and recovers lost partitions\n" \
"It works with :\n" \
"- BeFS (BeOS) - BSD disklabel (Free/Open/Net BSD)\n" \
"- CramFS, Compressed File System - DOS/Windows FAT12, FAT16 and FAT32\n" \
"- HFS, HFS+, Hierarchical File System - JFS, IBM's Journaled File System\n" \
"- Linux Ext2 and Ext3 - Linux Raid\n" \
"- Linux Swap - LVM, LVM2, Logical Volume Manager\n" \
"- Netware NSS - NTFS (Windows NT/2K/XP/2003)\n" \
"- ReiserFS 3.5, 3.6 and 4 - Sun Solaris i386 disklabel\n" \
"- UFS and UFS2 (Sun/BSD/...) - XFS, SGI's Journaled File System\n" \
"\n" \
"If you have problems with TestDisk or bug reports, please contact me.\n");
return 0;
}
screen_buffer_reset();
if(do_list!=0)
{
printf("Please wait...\n");
/* Scan for available device only if no device or image has been supplied in parameter */
if(list_disk==NULL)
list_disk=hd_parse(list_disk,verbose,arch,testdisk_mode);
/* Activate the cache */
for(element_disk=list_disk;element_disk!=NULL;element_disk=element_disk->next)
element_disk->disk=new_diskcache(element_disk->disk,testdisk_mode);
#ifdef DJGPP
for(element_disk=list_disk;element_disk!=NULL;element_disk=element_disk->next)
{
printf("%s\n",element_disk->disk->description(element_disk->disk));
}
#endif
if(safe==0)
hd_update_all_geometry(list_disk,0,verbose);
for(element_disk=list_disk;element_disk!=NULL;element_disk=element_disk->next)
{
printf("%s, sector size=%u\n",element_disk->disk->description(element_disk->disk),element_disk->disk->sector_size);
}
printf("\n");
for(element_disk=list_disk;element_disk!=NULL;element_disk=element_disk->next)
{
autodetect_arch(element_disk->disk);
if(unit==UNIT_DEFAULT)
autoset_unit(element_disk->disk);
else
element_disk->disk->unit=unit;
interface_list(element_disk->disk, verbose, saveheader, create_backup);
}
delete_list_disk(list_disk);
return 0;
}
if(create_log!=TD_LOG_NONE)
log_handle=log_open(logfile, create_log);
#ifdef HAVE_SETLOCALE
if(run_setlocale>0)
{
const char *locale;
locale = setlocale (LC_ALL, "");
if (locale==NULL) {
locale = setlocale (LC_ALL, NULL);
log_error("Failed to set locale, using default '%s'.\n", locale);
} else {
log_info("Using locale '%s'.\n", locale);
}
}
#endif
if(create_log!=TD_LOG_NONE && log_handle==NULL)
log_handle=log_open_default(logfile, create_log);
#ifdef HAVE_NCURSES
/* ncurses need locale for correct unicode support */
if(start_ncurses("TestDisk",argv[0]))
return 1;
if(argc==1 && create_log==TD_LOG_NONE)
{
verbose=1;
create_log=ask_testdisk_log_creation();
if(create_log==TD_LOG_CREATE || create_log==TD_LOG_APPEND)
log_handle=log_open(logfile, create_log);
}
{
const char*filename=logfile;
while(create_log!=TD_LOG_NONE && log_handle==NULL)
{
filename=ask_log_location(filename);
if(filename!=NULL)
log_handle=log_open(filename, create_log);
else
create_log=TD_LOG_NONE;
}
}
#endif
if(log_handle!=NULL)
{
time_t my_time;
#ifdef HAVE_DUP2
dup2(fileno(log_handle),2);
#endif
my_time=time(NULL);
log_info("\n\n%s",ctime(&my_time));
log_info("Command line: TestDisk");
for(i=1;i<argc;i++)
log_info(" %s", argv[i]);
log_info("\n\n");
log_flush();
}
log_info("TestDisk %s, Data Recovery Utility, %s\nChristophe GRENIER <grenier@cgsecurity.org>\nhttp://www.cgsecurity.org\n", VERSION, TESTDISKDATE);
log_info("OS: %s\n" , get_os());
log_info("Compiler: %s\n", get_compiler());
log_info("ext2fs lib: %s, ntfs lib: %s, reiserfs lib: %s, ewf lib: %s\n",
td_ext2fs_version(), td_ntfs_version(), td_reiserfs_version(), td_ewf_version());
#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(DJGPP)
#else
#ifdef HAVE_GETEUID
if(geteuid()!=0)
{
log_warning("User is not root!\n");
}
#endif
#endif
#ifdef HAVE_NCURSES
aff_copy(stdscr);
wmove(stdscr,5,0);
wprintw(stdscr, "Please wait...\n");
wrefresh(stdscr);
#endif
/* Scan for available device only if no device or image has been supplied in parameter */
if(list_disk==NULL)
list_disk=hd_parse(list_disk,verbose,arch,testdisk_mode);
/* Activate the cache */
for(element_disk=list_disk;element_disk!=NULL;element_disk=element_disk->next)
element_disk->disk=new_diskcache(element_disk->disk,testdisk_mode);
#ifdef HAVE_NCURSES
wmove(stdscr,6,0);
for(element_disk=list_disk;element_disk!=NULL;element_disk=element_disk->next)
{
wprintw(stdscr,"%s\n",element_disk->disk->description(element_disk->disk));
}
wrefresh(stdscr);
#endif
if(safe==0)
hd_update_all_geometry(list_disk,0,verbose);
/* save disk parameters to rapport */
log_info("Hard disk list\n");
for(element_disk=list_disk;element_disk!=NULL;element_disk=element_disk->next)
{
disk_t *disk=element_disk->disk;
if(disk->model==NULL)
log_info("%s, sector size=%u\n",
disk->description(disk), disk->sector_size);
else
log_info("%s, sector size=%u - %s\n",
disk->description(disk), disk->sector_size, disk->model);
}
log_info("\n");
use_sudo=do_curses_testdisk(verbose,dump_ind,list_disk,saveheader,cmd_device,&cmd_run);
#ifdef HAVE_NCURSES
end_ncurses();
#endif
log_info("\n");
while(done==0)
{
int command='Q';
if(cmd_run!=NULL)
{
while(cmd_run[0]==',')
(cmd_run)++;
if(strncmp(cmd_run,"list",4)==0)
{
(cmd_run)+=4;
command='L';
}
else if(cmd_run[0]!='\0')
{
log_critical("error in command line: %s\n",cmd_run);
printf("error in command line: %s\n",cmd_run);
}
}
switch(command)
{
case 'L':
for(element_disk=list_disk;element_disk!=NULL;element_disk=element_disk->next)
interface_list(element_disk->disk, verbose, saveheader, create_backup);
break;
case 'q':
case 'Q':
done = 1;
break;
}
}
cmd_device=NULL;
cmd_run=NULL;
write_used=delete_list_disk(list_disk);
log_info("TestDisk exited normally.\n");
if(log_close()!=0)
{
printf("TestDisk: Log file corrupted!\n");
}
else
{
printf("TestDisk exited normally.\n");
}
if(write_used!=0)
{
printf("You have to reboot for the change to take effect.\n");
}
#ifdef SUDO_BIN
if(use_sudo>0)
run_sudo(argc, argv);
#endif
return 0;
}