bool ntfsMount (const char *name, const DISC_INTERFACE *interface, sec_t startSector, u32 cachePageCount, u32 cachePageSize, u32 flags)
{
ntfs_vd *vd = NULL;
gekko_fd *fd = NULL;
// Sanity check
if (!name || !interface) {
errno = EINVAL;
return -1;
}
// Initialise ntfs-3g
ntfsInit();
// Check that the requested mount name is free
if (ntfsGetDevice(name, false)) {
errno = EADDRINUSE;
return false;
}
// Check that we can at least read from this device
if (!(interface->features & FEATURE_MEDIUM_CANREAD)) {
errno = EPERM;
return false;
}
// Allocate the volume descriptor
vd = (ntfs_vd*)ntfs_alloc(sizeof(ntfs_vd));
if (!vd) {
errno = ENOMEM;
return false;
}
// Setup the volume descriptor
vd->id = interface->ioType;
vd->flags = 0;
vd->uid = 0;
vd->gid = 0;
vd->fmask = 0;
vd->dmask = 0;
vd->atime = ((flags & NTFS_UPDATE_ACCESS_TIMES) ? ATIME_ENABLED : ATIME_DISABLED);
vd->showHiddenFiles = (flags & NTFS_SHOW_HIDDEN_FILES);
vd->showSystemFiles = (flags & NTFS_SHOW_SYSTEM_FILES);
// Allocate the device driver descriptor
fd = (gekko_fd*)ntfs_alloc(sizeof(gekko_fd));
if (!fd) {
ntfs_free(vd);
errno = ENOMEM;
return false;
}
// Setup the device driver descriptor
fd->interface = interface;
fd->startSector = startSector;
fd->sectorSize = 0;
fd->sectorCount = 0;
fd->cachePageCount = cachePageCount;
fd->cachePageSize = cachePageSize;
// Allocate the device driver
vd->dev = ntfs_device_alloc(name, 0, &ntfs_device_gekko_io_ops, fd);
if (!vd->dev) {
ntfs_free(fd);
ntfs_free(vd);
return false;
}
// Build the mount flags
if (flags & NTFS_READ_ONLY)
vd->flags |= MS_RDONLY;
else
{
if (!(interface->features & FEATURE_MEDIUM_CANWRITE))
vd->flags |= MS_RDONLY;
if ((interface->features & FEATURE_MEDIUM_CANREAD) && (interface->features & FEATURE_MEDIUM_CANWRITE))
vd->flags |= MS_EXCLUSIVE;
}
if (flags & NTFS_RECOVER)
vd->flags |= MS_RECOVER;
if (flags & NTFS_IGNORE_HIBERFILE)
vd->flags |= MS_IGNORE_HIBERFILE;
if (vd->flags & MS_RDONLY)
ntfs_log_debug("Mounting \"%s\" as read-only\n", name);
// Mount the device
vd->vol = ntfs_device_mount(vd->dev, vd->flags);
if (!vd->vol) {
switch(ntfs_volume_error(errno)) {
case NTFS_VOLUME_NOT_NTFS:
errno = EINVALPART;
break;
case NTFS_VOLUME_CORRUPT:
errno = EINVALPART;
break;
case NTFS_VOLUME_HIBERNATED:
errno = EHIBERNATED;
break;
case NTFS_VOLUME_UNCLEAN_UNMOUNT:
errno = EDIRTY;
break;
default:
errno = EINVAL;
break;
}
ntfs_device_free(vd->dev);
ntfs_free(vd);
return false;
}
// Initialise the volume descriptor
if (ntfsInitVolume(vd)) {
ntfs_umount(vd->vol, true);
ntfs_free(vd);
return false;
}
// Add the device to the devoptab table
if (ntfsAddDevice(name, vd)) {
ntfsDeinitVolume(vd);
ntfs_umount(vd->vol, true);
ntfs_free(vd);
return false;
}
return true;
}
ntfs_vd *ntfsMount (const char *name, struct _NTFS_VOLUME *interface, sec_t startSector, u32 cachePageCount, u32 cachePageSize, u32 flags)
{
ntfs_vd *vd = NULL;
struct _uefi_fd *fd = NULL;
const devoptab_t *mnt;
//Print(L"ntfsMount %a\n", name);
//CpuBreakpoint();
// Sanity check
if (!name || !interface) {
//Print(L"ntfsMount EINVAL\n");
errno = EINVAL;
return false;
}
// Initialise ntfs-3g
ntfsInit();
mnt = ntfsGetDevice(name, false);
// Check that the requested mount name is free
if (mnt) {
//Print(L"ntfsMount EADDRINUSE\n");
errno = 99; //EADDRINUSE;
return (ntfs_vd*) mnt->deviceData; // previous mnt data!
}
// Allocate the volume descriptor
vd = (ntfs_vd*)ntfs_alloc(sizeof(ntfs_vd));
if (!vd) {
//Print(L"ntfsMount ENOMEM\n");
errno = ENOMEM;
return false;
}
else {
//Print(L"ntfsMount ntfs_vd!\n");
}
// Setup the volume descriptor
//Print(L"vd.id! [%x]\n", vd);
vd->id = 0;//interface->ioType;
//Print(L"vd.flags!\n");
vd->flags = 0;
vd->uid = 0;
vd->gid = 0;
vd->fmask = 0;
vd->dmask = 0;
vd->atime = ((flags & NTFS_UPDATE_ACCESS_TIMES) ? ATIME_ENABLED : ATIME_DISABLED);
vd->showHiddenFiles = (flags & NTFS_SHOW_HIDDEN_FILES);
vd->showSystemFiles = (flags & NTFS_SHOW_SYSTEM_FILES);
//Print(L"invoking ntfs_alloc!\n");
// Allocate the device driver descriptor
fd = (struct _uefi_fd *)ntfs_alloc(sizeof(struct _uefi_fd));
if (!fd) {
//Print(L"ntfsMount ENOMEM(2)\n");
ntfs_free(vd);
errno = ENOMEM;
return false;
}
else
{
//Print(L"ntfs_alloc uefi_fd\n");
}
// Setup the device driver descriptor
fd->interface = interface;
fd->startSector = startSector;
fd->sectorSize = 0x200;
fd->sectorCount = 0x200;
fd->cachePageCount = cachePageCount;
fd->cachePageSize = cachePageSize;
// Allocate the device driver
vd->dev = ntfs_device_alloc(name, 0, &ntfs_device_uefi_io_ops, fd);
if (!vd->dev) {
//Print(L"ntfsMount ntfs_device_alloc failed\n");
ntfs_free(fd);
ntfs_free(vd);
return false;
}
//Print(L"ntfs_device_alloc success\n");
// Build the mount flags
if (flags & NTFS_READ_ONLY)
vd->flags |= NTFS_MNT_RDONLY;
if (flags & NTFS_RECOVER)
vd->flags |= NTFS_MNT_RECOVER;
if (flags & NTFS_IGNORE_HIBERFILE)
vd->flags |= NTFS_MNT_IGNORE_HIBERFILE;
if (vd->flags & NTFS_MNT_RDONLY)
ntfs_log_debug("Mounting \"%s\" as read-only\n", name);
// Mount the device
//Print(L"Invoking ntfs_device_mount\n");
vd->vol = ntfs_device_mount(vd->dev, vd->flags);
if (!vd->vol) {
switch(ntfs_volume_error(errno)) {
case NTFS_VOLUME_NOT_NTFS: errno = EINVALPART; break;
case NTFS_VOLUME_CORRUPT: errno = EINVALPART; break;
case NTFS_VOLUME_HIBERNATED: errno = EHIBERNATED; break;
case NTFS_VOLUME_UNCLEAN_UNMOUNT: errno = EDIRTY; break;
default: errno = EINVAL; break;
}
ntfs_device_free(vd->dev);
ntfs_free(vd);
//Print(L"ntfsMount ntfs_device_mount FAILED (%x)\n", errno);
return NULL;
}
if (flags & NTFS_IGNORE_CASE)
ntfs_set_ignore_case(vd->vol);
// Initialise the volume descriptor
if (ntfsInitVolume(vd)) {
ntfs_umount(vd->vol, true);
ntfs_free(vd);
//Print(L"ntfsMount ntfsInitVolume failed\n");
return NULL;
}
// Add the device to the devoptab table
if (ntfsAddDevice(name, vd)) {
//Print(L"ntfsMount ntfsAddDevice failed\n");
ntfsDeinitVolume(vd);
ntfs_umount(vd->vol, true);
ntfs_free(vd);
return NULL;
}
//Print(L"ntfsMount done.\n");
return vd;
}
