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/*
* AUTHOR
* Stef Walter
*
* LICENSE
* This software is in the public domain.
*
* The software is provided "as is", without warranty of any kind,
* express or implied, including but not limited to the warranties
* of merchantability, fitness for a particular purpose, and
* noninfringement. In no event shall the author(s) be liable for any
* claim, damages, or other liability, whether in an action of
* contract, tort, or otherwise, arising from, out of, or in connection
* with the software or the use or other dealings in the software.
*
* SUPPORT
* Send bug reports to: <stef@memberwebs.com>
*/
#include "usuals.h"
#include "drive.h"
#include "ntfs.h"
const char kPrintData[] = "\
Start Sector End Sector Cluster Size MFT Offset \n\
==================================================================\n\
";
const char kPrintDrive[] = "\nDrive: %u\n";
const char kPrintDrivePath[] = "\nDrive: %s\n";
int printNTFSInfo(int dd, uint64 tblSector)
{
byte sector[kSectorSize];
int64 pos;
size_t sz;
ntfs_bootsector* boot;
/* TODO: Check the range and don't print if out of range */
pos = SECTOR_TO_BYTES(tblSector);
if(lseek64(dd, pos, SEEK_SET) == -1)
err(1, "couldn't seek drive");
sz = read(dd, §or, kSectorSize);
if(sz == -1)
err(1, "couldn't read drive");
if(sz != kSectorSize)
errx(1, "unexpected end of drive");
boot = (ntfs_bootsector*)sector;
if(!memcmp(boot->sysId, kNTFS_SysId, sizeof(boot->sysId)))
{
#ifdef _WIN32
printf("%-15u %-15I64u", (unsigned int)boot->secPerClus,
boot->offMFT * (uint64)boot->secPerClus);
#else
printf("%-15u %-15llu", (unsigned int)boot->secPerClus,
(unsigned long long)(boot->offMFT * (uint64)boot->secPerClus));
#endif
}
printf("\n");
return 0;
}
int printPartitionInfo(int dd, uint64 tblSector)
{
drive_mbr mbr;
int64 pos;
size_t sz;
int i;
ASSERT(sizeof(drive_mbr) == kSectorSize);
pos = SECTOR_TO_BYTES(tblSector);
if(lseek64(dd, pos, SEEK_SET) == -1)
err(1, "couldn't seek drive");
sz = read(dd, &mbr, sizeof(drive_mbr));
if(sz == -1)
err(1, "couldn't read drive");
if(sz != sizeof(drive_mbr))
errx(1, "unexpected end of drive");
if(mbr.sig == kMBR_Sig)
{
for(i = 0; i < 4; i++)
{
if(mbr.partitions[i].system == kPartition_Extended ||
mbr.partitions[i].system == kPartition_ExtendedLBA)
{
printPartitionInfo(dd, tblSector + mbr.partitions[i].startsec);
}
else if(tblSector + mbr.partitions[i].startsec == 1UL &&
tblSector + mbr.partitions[i].endsec == 0xFFFFFFFFUL)
{
printf(" large partition, perhaps using gpt\n");
}
else if(!mbr.partitions[i].system == kPartition_Invalid)
{
#ifdef _WIN32
printf(" %-15I64u %-15I64u ",
tblSector + mbr.partitions[i].startsec,
tblSector + mbr.partitions[i].endsec);
#else
printf(" %-15llu %-15llu ",
(unsigned long long)(tblSector + mbr.partitions[i].startsec),
(unsigned long long)(tblSector + mbr.partitions[i].endsec));
#endif
printNTFSInfo(dd, tblSector + (uint64)mbr.partitions[i].startsec);
}
}
}
return 0;
}
#ifdef _WIN32
void scroungeList()
{
char driveName[MAX_PATH];
int dd = -1;
int i;
printf(kPrintData);
/* LIMIT: 256 Drives */
for(i = 0; i < 0x100; i++)
{
makeDriveName(driveName, i);
dd = open(driveName, O_BINARY | O_RDONLY | OPEN_LARGE_OPTS);
if(dd != -1)
{
printf(kPrintDrive, i);
printPartitionInfo(dd, 0);
close(dd);
}
}
}
#endif
void scroungeListDrive(char* drive)
{
int dd = open(drive, O_BINARY | O_RDONLY | OPEN_LARGE_OPTS);
if(dd == -1)
err(1, "couldn't open drive: %s", drive);
printf(kPrintData);
printf(kPrintDrivePath, drive);
printPartitionInfo(dd, 0);
close(dd);
}
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