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Fix RtlIsNameLegalDOS8Dot3 regression

svn path=/trunk/; revision=58324
This commit is contained in:
Timo Kreuzer 2013-02-16 18:46:36 +00:00
parent e506c7ce61
commit ebaac9c9e5
1 changed files with 23 additions and 18 deletions
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41
reactos/lib/rtl/dos8dot3.c
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@ -225,12 +225,18 @@ RtlGenerate8dot3Name(IN PUNICODE_STRING Name,
/*
* @implemented
* Note: the function does not conform to the annotations.
* SpacesFound is not always set!
*/
_IRQL_requires_max_(PASSIVE_LEVEL)
_Must_inspect_result_
NTSYSAPI
BOOLEAN
NTAPI
RtlIsNameLegalDOS8Dot3(IN PCUNICODE_STRING UnicodeName,
IN OUT POEM_STRING AnsiName OPTIONAL,
IN OUT PBOOLEAN SpacesFound OPTIONAL)
RtlIsNameLegalDOS8Dot3 (
_In_ PCUNICODE_STRING Name,
_Inout_opt_ POEM_STRING OemName,
_Out_opt_ PBOOLEAN NameContainsSpaces)
{
static const char Illegal[] = "*?<>|\"+=,;[]:/\\\345";
int Dot = -1;
@ -240,36 +246,35 @@ RtlIsNameLegalDOS8Dot3(IN PCUNICODE_STRING UnicodeName,
BOOLEAN GotSpace = FALSE;
NTSTATUS Status;
if (SpacesFound) *SpacesFound = FALSE;
if (!AnsiName)
if (!OemName)
{
OemString.Length = sizeof(Buffer);
OemString.MaximumLength = sizeof(Buffer);
OemString.Buffer = Buffer;
AnsiName = &OemString;
OemName = &OemString;
}
Status = RtlUpcaseUnicodeStringToCountedOemString(AnsiName, UnicodeName, FALSE);
Status = RtlUpcaseUnicodeStringToCountedOemString(OemName, Name, FALSE);
if (!NT_SUCCESS(Status))
return FALSE;
if ((AnsiName->Length > 12) || (AnsiName->Buffer == NULL)) return FALSE;
if ((OemName->Length > 12) || (OemName->Buffer == NULL)) return FALSE;
/* a starting . is invalid, except for . and .. */
if (AnsiName->Buffer[0] == '.')
if (OemName->Buffer[0] == '.')
{
if (AnsiName->Length != 1 && (AnsiName->Length != 2 || AnsiName->Buffer[1] != '.')) return FALSE;
if (OemName->Length != 1 && (OemName->Length != 2 || OemName->Buffer[1] != '.')) return FALSE;
if (NameContainsSpaces) *NameContainsSpaces = FALSE;
return TRUE;
}
for (i = 0; i < AnsiName->Length; i++)
for (i = 0; i < OemName->Length; i++)
{
switch (AnsiName->Buffer[i])
switch (OemName->Buffer[i])
{
case ' ':
/* leading/trailing spaces not allowed */
if (!i || i == AnsiName->Length-1 || AnsiName->Buffer[i+1] == '.') return FALSE;
if (!i || i == OemName->Length-1 || OemName->Buffer[i+1] == '.') return FALSE;
GotSpace = TRUE;
break;
case '.':
@ -277,7 +282,7 @@ RtlIsNameLegalDOS8Dot3(IN PCUNICODE_STRING UnicodeName,
Dot = i;
break;
default:
if (strchr(Illegal, AnsiName->Buffer[i])) return FALSE;
if (strchr(Illegal, OemName->Buffer[i])) return FALSE;
break;
}
}
@ -286,13 +291,13 @@ RtlIsNameLegalDOS8Dot3(IN PCUNICODE_STRING UnicodeName,
*/
if (Dot == -1)
{
if (AnsiName->Length > 8) return FALSE;
if (OemName->Length > 8) return FALSE;
}
else
{
if (Dot > 8 || (AnsiName->Length - Dot > 4) || Dot == AnsiName->Length - 1) return FALSE;
if (Dot > 8 || (OemName->Length - Dot > 4) || Dot == OemName->Length - 1) return FALSE;
}
if (SpacesFound) *SpacesFound = GotSpace;
if (NameContainsSpaces) *NameContainsSpaces = GotSpace;
return TRUE;
}