int SearchDirectory(RDWRHandle handle, char* dir, CLUSTER* fatcluster,
struct DirectoryPosition* pos,
int func(RDWRHandle handle,
struct DirectoryPosition* pos,
struct DirectoryEntry* entry))
{
int i, j;
struct PipeStruct pipe, *ppipe = &pipe;
char filename[8], extension[3];
pipe.found = FALSE;
pipe.filename = filename;
pipe.extension = extension;
pipe.error = FALSE;
pipe.func = func;
memset(filename, ' ', 8);
for (i = 0; i < 8; i++)
if ((dir[i] == '.') || (dir[i] == '\0'))
break;
else
filename[i] = dir[i];
memset(extension, ' ', 3);
for (j = 0; j < 3; j++)
if (dir[i+j] == '.')
continue;
else if (dir[i+j] == '\0')
break;
else
extension[j] = dir[i];
if (IsRootDirPosition(handle, pos))
{
if (!TraverseRootDir(handle, DirSearcher,
(void**) &ppipe, TRUE)) return FALSE;
return pipe.found;
}
else
{
if (!TraverseSubdir(handle, *fatcluster, DirSearcher,
(void**) &ppipe, TRUE)) return FALSE;
return pipe.found;
}
}
static BOOL DirSizeGetter(RDWRHandle handle, struct DirectoryPosition* pos,
void** structure)
{
BOOL InRoot;
unsigned long **dirsize = (unsigned long**) structure;
unsigned char sectorspercluster;
CLUSTER label;
pos = pos, handle = handle;
/* Check for loops in the directory structure */
InRoot = IsRootDirPosition(handle, pos);
if (InRoot == -1) return FAIL;
if (!InRoot && (pos->offset == 0))
{
sectorspercluster = GetSectorsPerCluster(handle);
if (!sectorspercluster) return FAIL;
if ((pos->sector % sectorspercluster) == 0)
{
label = DataSectorToCluster(handle, pos->sector);
if (!label) return FAIL;
if (GetBitfieldBit(fatmap, label))
{
return FALSE;
}
SetBitfieldBit(fatmap, label);
}
}
**dirsize += sizeof(struct DirectoryEntry);
return TRUE;
}
BOOL CheckEntryForInvalidChars(RDWRHandle handle,
struct DirectoryPosition* pos,
struct DirectoryEntry* direct,
char* filename,
BOOL fixit)
{
int i;
BOOL invalidname = FALSE;
BOOL InRoot;
struct DirectoryEntry entry;
memcpy(&entry, direct, sizeof(struct DirectoryEntry));
if (((entry.attribute & FA_LABEL) == 0) && /* Not checking volume labels */
!IsDeletedLabel(entry))
{
if (IsPreviousDir(entry) || /* .. */
IsCurrentDir(entry)) /* . */
{
/* See wether the given directory entry is in the root directory */
InRoot = IsRootDirPosition(handle, pos);
if (InRoot == FAIL) return FAIL;
/* All the '.' and '..' entries must be directories */
if (((entry.attribute & FA_DIREC) == 0) || (InRoot))
{
if (IsCurrentDir(entry))
{
if (InRoot)
{
ShowFileNameViolation(handle, "",
"The root directory contains an '.' entry");
}
else
{
ShowParentViolation(handle, filename,
"%s contains an '.' entry that is not a directory");
}
memcpy(entry.filename, "DOT ", 8);
}
else
{
if (InRoot)
{
ShowFileNameViolation(handle, "",
"The root directory contains an '..' entry");
}
else
{
ShowParentViolation(handle, filename,
"%s contains an '..' entry that is not a directory");
}
memcpy(entry.filename, "DOTDOT ", 8);
}
if (fixit)
{
memcpy(entry.extension, " ", 3);
if (!RenameFile(handle, pos, &entry, DirCluster)) /* Write the changes to disk */
return FAIL;
}
return FALSE;
}
/* Check wether you realy have '.' and '..' */
if (IsCurrentDir(entry))
{
if ((memcmp(entry.filename, ". ", 8) != 0) ||
(memcmp(entry.extension, " ", 3) != 0))
{
ShowFileNameViolation(handle, filename,
"%s contains invalid char(s)");
if (fixit)
{
memcpy(entry.filename, ". ", 8);
memcpy(entry.extension, " ", 3);
if (!RenameFile(handle, pos, &entry, DirCluster)) /* Write the changes to disk */
return FAIL;
}
}
}
if (IsPreviousDir(entry))
{
if ((memcmp(entry.filename, ".. ", 8) != 0) ||
(memcmp(entry.extension, " ", 3) != 0))
{
ShowFileNameViolation(handle, filename,
"%s contains invalid char(s)");
if (fixit)
{
memcpy(entry.filename, ".. ", 8);
memcpy(entry.extension, " ", 3);
if (!RenameFile(handle, pos, &entry, DirCluster)) /* Write the changes to disk */
return FAIL;
}
}
}
}
else
{
if (entry.filename[0] == ' ')
{
invalidname = TRUE;
entry.filename[0] = 'A';
}
/* file name */
for (i = 0; i < 8; i++)
{
if ((strchr(INVALIDSFNCHARS, entry.filename[i])) ||
(((unsigned char)(entry.filename[i]) < 0x20) && (entry.filename[i] != 0x05)) ||
(islower(entry.filename[i])))
{
entry.filename[i] = 'A';
invalidname = TRUE;
}
}
/* extension */
for (i = 0; i < 3; i++)
{
if ((strchr(INVALIDSFNCHARS, entry.extension[i])) ||
(((unsigned char)(entry.extension[i]) < 0x20) &&
(entry.extension[i] != 0x05)) ||
(islower(entry.extension[i])))
{
entry.extension[i] = 'A';
invalidname = TRUE;
}
}
if (invalidname)
{
ShowFileNameViolation(handle, filename,
"%s contains invalid char(s)");
if (fixit)
{
if (!RenameFile(handle, pos, &entry, DirCluster)) /* Write the changes to disk */
return FAIL;
}
return FALSE;
}
}
}
return TRUE;
}
