mirror of
https://gitlab.com/Nanolx/homebrewfilter.git
synced 2024-12-01 05:24:21 +01:00
657 lines
18 KiB
C++
657 lines
18 KiB
C++
/****************************************************************************
|
||
* WiiMC
|
||
* Tantric 2009-2010
|
||
*
|
||
* fileop.cpp
|
||
* File operations
|
||
***************************************************************************/
|
||
|
||
#include <gccore.h>
|
||
#include <errno.h>
|
||
#include <ogcsys.h>
|
||
#include <ogc/lwp_watchdog.h>
|
||
#include <ogc/machine/processor.h>
|
||
#include <ntfs.h>
|
||
#include <fat.h>
|
||
#include <ext2.h>
|
||
#include <sdcard/wiisd_io.h>
|
||
#include <ogc/usbstorage.h>
|
||
#include <dirent.h>
|
||
|
||
#include "fileop.h"
|
||
#include "main.h"
|
||
#include "Tools/app_list.h"
|
||
#include "Tools/copy_app_in_category.h"
|
||
#include "Tools/throbber.h"
|
||
|
||
static const DISC_INTERFACE* sd = &__io_wiisd;
|
||
static const DISC_INTERFACE* usb = &__io_usbstorage;
|
||
|
||
enum
|
||
{
|
||
DEVICE_SD,
|
||
DEVICE_USB
|
||
};
|
||
|
||
static char prefix[2][4] = { "sd", "usb" };
|
||
|
||
/****************************************************************************
|
||
* FindPartitions
|
||
*
|
||
* Finds all partitions on the specified device
|
||
***************************************************************************/
|
||
|
||
#define le32_to_cpu(x) bswap32(x)
|
||
|
||
#define BYTES_PER_SECTOR 4096
|
||
#define NTFS_OEM_ID (0x4e54465320202020ULL)
|
||
|
||
#define PARTITION_TYPE_EMPTY 0x00 /* Empty */
|
||
#define PARTITION_TYPE_DOS33_EXTENDED 0x05 /* DOS 3.3+ extended partition */
|
||
#define PARTITION_TYPE_NTFS 0x07 /* Windows NT NTFS */
|
||
#define PARTITION_TYPE_WIN95_EXTENDED 0x0F /* Windows 95 extended partition */
|
||
|
||
#define PARTITION_TYPE_LINUX 0x83 /* GNU/Linux partition */
|
||
#define PARTITION_TYPE_LINUX_SWAP 0x82 /* GNU/Linux Swap partition */
|
||
#define PARTITION_TYPE_LINUX_LVM 0x8e /* GNU/Linux logical volume manager partition */
|
||
#define PARTITION_TYPE_LINUX_LUKS 0xe8 /* GNU/Linux LUKS partition */
|
||
|
||
#define PARTITION_STATUS_NONBOOTABLE 0x00 /* Non-bootable */
|
||
#define PARTITION_STATUS_BOOTABLE 0x80 /* Bootable (active) */
|
||
|
||
#define MBR_SIGNATURE (0x55AA)
|
||
#define EBR_SIGNATURE (0x55AA)
|
||
|
||
#define BPB_FAT16_fileSysType 0x36
|
||
#define BPB_FAT32_fileSysType 0x52
|
||
|
||
#define T_FAT 1
|
||
#define T_NTFS 2
|
||
#define T_EXT2 3
|
||
|
||
static const char FAT_SIG[3] = {'F', 'A', 'T'};
|
||
|
||
/**
|
||
* PRIMARY_PARTITION - Block device partition record
|
||
*/
|
||
typedef struct _PARTITION_RECORD {
|
||
u8 status; /* Partition status; see above */
|
||
u8 chs_start[3]; /* Cylinder-head-sector address to first block of partition */
|
||
u8 type; /* Partition type; see above */
|
||
u8 chs_end[3]; /* Cylinder-head-sector address to last block of partition */
|
||
u32 lba_start; /* Local block address to first sector of partition */
|
||
u32 block_count; /* Number of blocks in partition */
|
||
} __attribute__((__packed__)) PARTITION_RECORD;
|
||
|
||
/**
|
||
* MASTER_BOOT_RECORD - Block device master boot record
|
||
*/
|
||
typedef struct _MASTER_BOOT_RECORD {
|
||
u8 code_area[446]; /* Code area; normally empty */
|
||
PARTITION_RECORD partitions[4]; /* 4 primary partitions */
|
||
u16 signature; /* MBR signature; 0xAA55 */
|
||
} __attribute__((__packed__)) MASTER_BOOT_RECORD;
|
||
|
||
/**
|
||
* struct BIOS_PARAMETER_BLOCK - BIOS parameter block (bpb) structure.
|
||
*/
|
||
typedef struct {
|
||
u16 bytes_per_sector; /* Size of a sector in bytes. */
|
||
u8 sectors_per_cluster; /* Size of a cluster in sectors. */
|
||
u16 reserved_sectors; /* zero */
|
||
u8 fats; /* zero */
|
||
u16 root_entries; /* zero */
|
||
u16 sectors; /* zero */
|
||
u8 media_type; /* 0xf8 = hard disk */
|
||
u16 sectors_per_fat; /* zero */
|
||
u16 sectors_per_track; /* Required to boot Windows. */
|
||
u16 heads; /* Required to boot Windows. */
|
||
u32 hidden_sectors; /* Offset to the start of the partition */
|
||
u32 large_sectors; /* zero */
|
||
} __attribute__((__packed__)) BIOS_PARAMETER_BLOCK;
|
||
|
||
/**
|
||
* struct NTFS_BOOT_SECTOR - NTFS boot sector structure.
|
||
*/
|
||
typedef struct {
|
||
u8 jump[3]; /* Irrelevant (jump to boot up code).*/
|
||
u64 oem_id; /* Magic "NTFS ". */
|
||
BIOS_PARAMETER_BLOCK bpb; /* See BIOS_PARAMETER_BLOCK. */
|
||
u8 physical_drive; /* 0x00 floppy, 0x80 hard disk */
|
||
u8 current_head; /* zero */
|
||
u8 extended_boot_signature; /* 0x80 */
|
||
u8 reserved2; /* zero */
|
||
s64 number_of_sectors; /* Number of sectors in volume. */
|
||
s64 mft_lcn; /* Cluster location of mft data. */
|
||
s64 mftmirr_lcn; /* Cluster location of copy of mft. */
|
||
s8 clusters_per_mft_record; /* Mft record size in clusters. */
|
||
u8 reserved0[3]; /* zero */
|
||
s8 clusters_per_index_record; /* Index block size in clusters. */
|
||
u8 reserved1[3]; /* zero */
|
||
u64 volume_serial_number; /* Irrelevant (serial number). */
|
||
u32 checksum; /* Boot sector checksum. */
|
||
u8 bootstrap[426]; /* Irrelevant (boot up code). */
|
||
u16 end_of_sector_marker; /* End of bootsector magic. */
|
||
} __attribute__((__packed__)) NTFS_BOOT_SECTOR;
|
||
|
||
/**
|
||
* EXTENDED_PARTITION - Block device extended boot record
|
||
*/
|
||
typedef struct _EXTENDED_BOOT_RECORD {
|
||
u8 code_area[446]; /* Code area; normally empty */
|
||
PARTITION_RECORD partition; /* Primary partition */
|
||
PARTITION_RECORD next_ebr; /* Next extended boot record in the chain */
|
||
u8 reserved[32]; /* Normally empty */
|
||
u16 signature; /* EBR signature; 0xAA55 */
|
||
} __attribute__((__packed__)) EXTENDED_BOOT_RECORD;
|
||
|
||
//#define DEBUG_MOUNTALL
|
||
|
||
#ifdef DEBUG_MOUNTALL
|
||
#define debug_printf(fmt, args...) \
|
||
fprintf(stderr, "%s:%d:" fmt, __FUNCTION__, __LINE__, ##args)
|
||
#else
|
||
#define debug_printf(fmt, args...)
|
||
#endif
|
||
|
||
DEVICE_STRUCT part[2][MAX_DEVICES];
|
||
|
||
static void AddPartition(sec_t sector, int device, int type, int *devnum)
|
||
{
|
||
if (*devnum >= MAX_DEVICES)
|
||
return;
|
||
|
||
DISC_INTERFACE *disc = (DISC_INTERFACE *)sd;
|
||
|
||
if(device == DEVICE_USB)
|
||
disc = (DISC_INTERFACE *)usb;
|
||
|
||
char mount[10];
|
||
sprintf(mount, "%s%i", prefix[device], *devnum+1);
|
||
|
||
if(type == T_FAT)
|
||
{
|
||
if(!fatMount(mount, disc, sector, 8, 64))
|
||
return;
|
||
fatGetVolumeLabel(mount, part[device][*devnum].name);
|
||
}
|
||
else if (type == T_NTFS)
|
||
{
|
||
if(!ntfsMount(mount, disc, sector, 8, 64, NTFS_DEFAULT | NTFS_RECOVER))
|
||
return;
|
||
|
||
const char *name = ntfsGetVolumeName(mount);
|
||
|
||
if(name)
|
||
strcpy(part[device][*devnum].name, name);
|
||
else
|
||
part[device][*devnum].name[0] = 0;
|
||
}
|
||
else if (type == T_EXT2)
|
||
{
|
||
if(!ext2Mount(mount, disc, sector, 2, 128, EXT2_FLAG_64BITS | EXT2_FLAG_JOURNAL_DEV_OK))
|
||
return;
|
||
|
||
const char *name = ext2GetVolumeName(mount);
|
||
|
||
if(name)
|
||
strcpy(part[device][*devnum].name, name);
|
||
else
|
||
part[device][*devnum].name[0] = 0;
|
||
}
|
||
|
||
strcpy(part[device][*devnum].mount, mount);
|
||
part[device][*devnum].type = type;
|
||
part[device][*devnum].interface = disc;
|
||
part[device][*devnum].sector = sector;
|
||
++*devnum;
|
||
}
|
||
|
||
static int FindPartitions(int device)
|
||
{
|
||
int i;
|
||
int devnum = 0;
|
||
|
||
// clear list
|
||
for(i=0; i < MAX_DEVICES; i++)
|
||
{
|
||
part[device][i].name[0] = 0;
|
||
part[device][i].mount[0] = 0;
|
||
part[device][i].sector = 0;
|
||
part[device][i].interface = NULL;
|
||
part[device][i].type = 0;
|
||
}
|
||
|
||
DISC_INTERFACE *interface;
|
||
|
||
if(device == DEVICE_SD)
|
||
interface = (DISC_INTERFACE *)sd;
|
||
else
|
||
interface = (DISC_INTERFACE *)usb;
|
||
|
||
MASTER_BOOT_RECORD mbr;
|
||
PARTITION_RECORD *partition = NULL;
|
||
devnum = 0;
|
||
sec_t part_lba = 0;
|
||
|
||
union
|
||
{
|
||
u8 buffer[BYTES_PER_SECTOR];
|
||
MASTER_BOOT_RECORD mbr;
|
||
EXTENDED_BOOT_RECORD ebr;
|
||
NTFS_BOOT_SECTOR boot;
|
||
} sector;
|
||
|
||
// Read the first sector on the device
|
||
if (!interface->readSectors(0, 1, §or.buffer))
|
||
{
|
||
errno = EIO;
|
||
return -1;
|
||
}
|
||
|
||
// If this is the devices master boot record
|
||
debug_printf("0x%x\n", sector.mbr.signature);
|
||
if (sector.mbr.signature == MBR_SIGNATURE)
|
||
{
|
||
memcpy(&mbr, §or, sizeof(MASTER_BOOT_RECORD));
|
||
debug_printf("Valid Master Boot Record found\n");
|
||
|
||
// Search the partition table for all partitions (max. 4 primary partitions)
|
||
for (i = 0; i < 4; i++)
|
||
{
|
||
partition = &mbr.partitions[i];
|
||
part_lba = le32_to_cpu(mbr.partitions[i].lba_start);
|
||
|
||
debug_printf(
|
||
"Partition %i: %s, sector %u, type 0x%x\n",
|
||
i + 1,
|
||
partition->status == PARTITION_STATUS_BOOTABLE ? "bootable (active)"
|
||
: "non-bootable", part_lba, partition->type);
|
||
|
||
// Figure out what type of partition this is
|
||
switch (partition->type)
|
||
{
|
||
// NTFS partition
|
||
case PARTITION_TYPE_NTFS:
|
||
{
|
||
debug_printf("Partition %i: Claims to be NTFS\n", i + 1);
|
||
|
||
// Read and validate the NTFS partition
|
||
if (interface->readSectors(part_lba, 1, §or))
|
||
{
|
||
debug_printf("sector.boot.oem_id: 0x%x\n", sector.boot.oem_id);
|
||
debug_printf("NTFS_OEM_ID: 0x%x\n", NTFS_OEM_ID);
|
||
if (sector.boot.oem_id == NTFS_OEM_ID)
|
||
{
|
||
debug_printf("Partition %i: Valid NTFS boot sector found\n", i + 1);
|
||
AddPartition(part_lba, device, T_NTFS, &devnum);
|
||
}
|
||
else
|
||
{
|
||
debug_printf("Partition %i: Invalid NTFS boot sector, not actually NTFS\n", i + 1);
|
||
}
|
||
}
|
||
|
||
break;
|
||
}
|
||
// DOS 3.3+ or Windows 95 extended partition
|
||
case PARTITION_TYPE_DOS33_EXTENDED:
|
||
case PARTITION_TYPE_WIN95_EXTENDED:
|
||
{
|
||
debug_printf("Partition %i: Claims to be Extended\n", i + 1);
|
||
|
||
// Walk the extended partition chain, finding all NTFS partitions within it
|
||
sec_t ebr_lba = part_lba;
|
||
sec_t next_erb_lba = 0;
|
||
do
|
||
{
|
||
// Read and validate the extended boot record
|
||
if (interface->readSectors(ebr_lba + next_erb_lba, 1, §or))
|
||
{
|
||
if (sector.ebr.signature == EBR_SIGNATURE)
|
||
{
|
||
debug_printf(
|
||
"Logical Partition @ %d: %s type 0x%x\n",
|
||
ebr_lba + next_erb_lba,
|
||
sector.ebr.partition.status
|
||
== PARTITION_STATUS_BOOTABLE ? "bootable (active)"
|
||
: "non-bootable",
|
||
sector.ebr.partition.type);
|
||
|
||
// Get the start sector of the current partition
|
||
// and the next extended boot record in the chain
|
||
part_lba = ebr_lba + next_erb_lba
|
||
+ le32_to_cpu(
|
||
sector.ebr.partition.lba_start);
|
||
next_erb_lba = le32_to_cpu(
|
||
sector.ebr.next_ebr.lba_start);
|
||
|
||
if(sector.ebr.partition.type==PARTITION_TYPE_LINUX)
|
||
{
|
||
debug_printf("Partition : type EXT2/3/4 found\n");
|
||
AddPartition(part_lba, device, T_EXT2, &devnum);
|
||
}
|
||
// Check if this partition has a valid NTFS boot record
|
||
else if (interface->readSectors(part_lba, 1, §or))
|
||
{
|
||
if (sector.boot.oem_id == NTFS_OEM_ID)
|
||
{
|
||
debug_printf(
|
||
"Logical Partition @ %d: Valid NTFS boot sector found\n",
|
||
part_lba);
|
||
if (sector.ebr.partition.type
|
||
!= PARTITION_TYPE_NTFS)
|
||
{
|
||
debug_printf(
|
||
"Logical Partition @ %d: Is NTFS but type is 0x%x; 0x%x was expected\n",
|
||
part_lba,
|
||
sector.ebr.partition.type,
|
||
PARTITION_TYPE_NTFS);
|
||
}
|
||
AddPartition(part_lba, device, T_NTFS, &devnum);
|
||
}
|
||
else if (!memcmp(sector.buffer
|
||
+ BPB_FAT16_fileSysType, FAT_SIG,
|
||
sizeof(FAT_SIG)) || !memcmp(
|
||
sector.buffer
|
||
+ BPB_FAT32_fileSysType,
|
||
FAT_SIG, sizeof(FAT_SIG)))
|
||
{
|
||
debug_printf("Partition : Valid FAT boot sector found\n");
|
||
AddPartition(part_lba, device, T_FAT, &devnum);
|
||
}
|
||
}
|
||
}
|
||
else
|
||
{
|
||
next_erb_lba = 0;
|
||
}
|
||
}
|
||
} while (next_erb_lba);
|
||
break;
|
||
}
|
||
|
||
case PARTITION_TYPE_LINUX:
|
||
{
|
||
debug_printf("Partition %i: Claims to be LINUX\n", i + 1);
|
||
|
||
// Read and validate the EXT2 partition
|
||
AddPartition(part_lba, device, T_EXT2, &devnum);
|
||
break;
|
||
}
|
||
|
||
// Ignore empty partitions
|
||
case PARTITION_TYPE_EMPTY:
|
||
debug_printf("Partition %i: Claims to be empty\n", i + 1);
|
||
// Unknown or unsupported partition type
|
||
default:
|
||
{
|
||
// Check if this partition has a valid NTFS boot record anyway,
|
||
// it might be misrepresented due to a lazy partition editor
|
||
if (interface->readSectors(part_lba, 1, §or))
|
||
{
|
||
if (sector.boot.oem_id == NTFS_OEM_ID)
|
||
{
|
||
debug_printf("Partition %i: Valid NTFS boot sector found\n",i + 1);
|
||
if (partition->type != PARTITION_TYPE_NTFS)
|
||
{
|
||
debug_printf(
|
||
"Partition %i: Is NTFS but type is 0x%x; 0x%x was expected\n",
|
||
i + 1, partition->type,
|
||
PARTITION_TYPE_NTFS);
|
||
}
|
||
AddPartition(part_lba, device, T_NTFS, &devnum);
|
||
}
|
||
else if (!memcmp(sector.buffer + BPB_FAT16_fileSysType,
|
||
FAT_SIG, sizeof(FAT_SIG)) || !memcmp(
|
||
sector.buffer + BPB_FAT32_fileSysType, FAT_SIG,
|
||
sizeof(FAT_SIG)))
|
||
{
|
||
debug_printf("Partition : Valid FAT boot sector found\n");
|
||
AddPartition(part_lba, device, T_FAT, &devnum);
|
||
}
|
||
else
|
||
{
|
||
debug_printf("Trying : EXT partition\n");
|
||
AddPartition(part_lba, device, T_EXT2, &devnum);
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
if(devnum==0) // it is assumed this device has no master boot record or no partitions found
|
||
{
|
||
debug_printf("No Master Boot Record was found or no partitions found!\n");
|
||
|
||
// As a last-ditched effort, search the first 64 sectors of the device for stray NTFS/FAT partitions
|
||
for (i = 0; i < 64; i++)
|
||
{
|
||
if (interface->readSectors(i, 1, §or))
|
||
{
|
||
if (sector.boot.oem_id == NTFS_OEM_ID)
|
||
{
|
||
debug_printf("Valid NTFS boot sector found at sector %d!\n", i);
|
||
AddPartition(i, device, T_NTFS, &devnum);
|
||
break;
|
||
}
|
||
else if (!memcmp(sector.buffer + BPB_FAT16_fileSysType, FAT_SIG,
|
||
sizeof(FAT_SIG)) || !memcmp(sector.buffer
|
||
+ BPB_FAT32_fileSysType, FAT_SIG, sizeof(FAT_SIG)))
|
||
{
|
||
debug_printf("Partition : Valid FAT boot sector found\n");
|
||
AddPartition(i, device, T_FAT, &devnum);
|
||
break;
|
||
}
|
||
else
|
||
{
|
||
debug_printf("Trying : EXT partition\n");
|
||
AddPartition(part_lba, device, T_EXT2, &devnum);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
return devnum;
|
||
}
|
||
|
||
static void UnmountPartitions(int device)
|
||
{
|
||
char mount[11];
|
||
int i;
|
||
|
||
for(i=0; i < MAX_DEVICES; i++)
|
||
{
|
||
if(part[device][i].type == T_FAT)
|
||
{
|
||
sprintf(mount, "VFAT: %s:", part[device][i].mount);
|
||
fatUnmount(mount);
|
||
break;
|
||
}
|
||
else if(part[device][i].type == T_NTFS)
|
||
{
|
||
sprintf(mount, "NTFS: %s:", part[device][i].mount);
|
||
ntfsUnmount(part[device][i].mount, false);
|
||
break;
|
||
}
|
||
else if(part[device][i].type == T_EXT2)
|
||
{
|
||
sprintf(mount, "EXT2: %s:", part[device][i].mount);
|
||
ext2Unmount(part[device][i].mount);
|
||
break;
|
||
}
|
||
|
||
part[device][i].name[0] = 0;
|
||
part[device][i].mount[0] = 0;
|
||
part[device][i].sector = 0;
|
||
part[device][i].interface = NULL;
|
||
part[device][i].type = 0;
|
||
}
|
||
|
||
if(device == DEVICE_SD)
|
||
sd->shutdown();
|
||
else
|
||
{
|
||
usb->shutdown();
|
||
USB_Deinitialize();
|
||
}
|
||
}
|
||
|
||
/****************************************************************************
|
||
* MountPartitions
|
||
*
|
||
* Shuts down the device
|
||
* Attempts to startup the device specified and mounts all partitions
|
||
***************************************************************************/
|
||
|
||
static bool MountPartitions(int device)
|
||
{
|
||
const DISC_INTERFACE* disc = NULL;
|
||
|
||
switch(device)
|
||
{
|
||
case DEVICE_SD:
|
||
disc = sd;
|
||
break;
|
||
case DEVICE_USB:
|
||
disc = usb;
|
||
break;
|
||
default:
|
||
return false; // unknown device
|
||
}
|
||
|
||
if(FindPartitions(device) > 0)
|
||
return true;
|
||
|
||
return false;
|
||
}
|
||
|
||
void MountAllDevices()
|
||
{
|
||
if(sd->startup() && sd->isInserted())
|
||
MountPartitions(DEVICE_SD);
|
||
|
||
usleep(250000); // 1/4 sec
|
||
|
||
if(usb->startup() && usb->isInserted())
|
||
MountPartitions(DEVICE_USB);
|
||
}
|
||
|
||
void UnmountAllDevices()
|
||
{
|
||
UnmountPartitions(DEVICE_SD);
|
||
UnmountPartitions(DEVICE_USB);
|
||
}
|
||
|
||
bool SDCard_Inserted()
|
||
{
|
||
return sd->isInserted();
|
||
}
|
||
|
||
void check_sd()
|
||
{
|
||
if(Settings.sd_insert <= 0)
|
||
{
|
||
|
||
if(sd->startup() && sd->isInserted()) // wenn sd karte gefunden, neu einlesen
|
||
{
|
||
MountPartitions(DEVICE_SD);
|
||
Settings.sd_insert = 2;
|
||
}
|
||
}
|
||
else if(Settings.sd_insert == 1)
|
||
{
|
||
if(!SDCard_Inserted()) // wenn sd karte nicht gefunden, beenden
|
||
{
|
||
UnmountPartitions(DEVICE_SD);
|
||
Settings.sd_insert = -1;
|
||
}
|
||
}
|
||
}
|
||
|
||
bool USBDevice_Inserted()
|
||
{
|
||
return usb->isInserted();
|
||
}
|
||
|
||
void check_usb()
|
||
{
|
||
if(Settings.usb_insert <= 0)
|
||
{
|
||
if(usb->startup() && usb->isInserted()) // wenn usb ger<65>t gefunden, neu einlesen
|
||
{
|
||
MountPartitions(DEVICE_USB);
|
||
Settings.usb_insert = 2;
|
||
}
|
||
}
|
||
else if(Settings.usb_insert == 1)
|
||
{
|
||
if(!USBDevice_Inserted()) // wenn usb ger<65>t nicht mehr gefunden, beenden
|
||
{
|
||
UnmountPartitions(DEVICE_USB);
|
||
Settings.usb_insert = -1;
|
||
}
|
||
}
|
||
}
|
||
|
||
void check_device()
|
||
{
|
||
ResumeThrobberThread();
|
||
|
||
app_list();
|
||
|
||
if(Settings.current_category != 0)
|
||
copy_app_in_category();
|
||
else
|
||
copy_app_in_unassigned();
|
||
|
||
if(Settings.sd_insert == 2)
|
||
Settings.sd_insert = 1;
|
||
else if(Settings.sd_insert == -1)
|
||
Settings.sd_insert = 0;
|
||
|
||
if(Settings.usb_insert == 2)
|
||
Settings.usb_insert = 1;
|
||
else if(Settings.usb_insert == -1)
|
||
Settings.usb_insert = 0;
|
||
|
||
HaltThrobberThread();
|
||
}
|
||
|
||
string check_path(string old_path)
|
||
{
|
||
DIR *dirHandle;
|
||
struct dirent * dirEntry;
|
||
|
||
if(old_path.length() > 0 && old_path.substr(old_path.length() -1) != "/")
|
||
old_path += "/";
|
||
|
||
string new_path = old_path.substr(0, old_path.find(":/") +2);
|
||
old_path.erase(0, old_path.find("/") +1);
|
||
string search;
|
||
|
||
while((signed)old_path.find("/") != -1)
|
||
{
|
||
search = old_path.substr(0, old_path.find("/"));
|
||
dirHandle = opendir(new_path.c_str());
|
||
if (dirHandle)
|
||
{
|
||
while (0 != (dirEntry = readdir(dirHandle)))
|
||
{
|
||
if(strcasecmp(dirEntry->d_name, search.c_str()) == 0)
|
||
{
|
||
search = dirEntry->d_name;
|
||
break;
|
||
}
|
||
}
|
||
new_path += search;
|
||
new_path += "/";
|
||
closedir(dirHandle);
|
||
}
|
||
|
||
old_path.erase(0, old_path.find("/") +1);
|
||
}
|
||
|
||
return new_path;
|
||
}
|