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server: Update the registry key and value name length limits to the now documented values.

This commit is contained in:
Alexandre Julliard 2010-04-02 11:48:14 +02:00
parent b3ad91f699
commit 935cc7987d
2 changed files with 9 additions and 7 deletions
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12
dlls/ntdll/reg.c
View File

@ -42,8 +42,10 @@
WINE_DEFAULT_DEBUG_CHANNEL(reg);
/* maximum length of a key/value name in bytes (without terminating null) */
#define MAX_NAME_LENGTH ((MAX_PATH-1) * sizeof(WCHAR))
/* maximum length of a key name in bytes (without terminating null) */
#define MAX_NAME_LENGTH (255 * sizeof(WCHAR))
/* maximum length of a value name in bytes (without terminating null) */
#define MAX_VALUE_LENGTH (16383 * sizeof(WCHAR))
/******************************************************************************
* NtCreateKey [NTDLL.@]
@ -188,7 +190,7 @@ NTSTATUS WINAPI NtDeleteValueKey( HANDLE hkey, const UNICODE_STRING *name )
NTSTATUS ret;
TRACE( "(%p,%s)\n", hkey, debugstr_us(name) );
if (name->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
if (name->Length > MAX_VALUE_LENGTH) return STATUS_BUFFER_OVERFLOW;
SERVER_START_REQ( delete_key_value )
{
@ -481,7 +483,7 @@ NTSTATUS WINAPI NtQueryValueKey( HANDLE handle, const UNICODE_STRING *name,
TRACE( "(%p,%s,%d,%p,%d)\n", handle, debugstr_us(name), info_class, info, length );
if (name->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
if (name->Length > MAX_VALUE_LENGTH) return STATUS_BUFFER_OVERFLOW;
/* compute the length we want to retrieve */
switch(info_class)
@ -769,7 +771,7 @@ NTSTATUS WINAPI NtSetValueKey( HANDLE hkey, const UNICODE_STRING *name, ULONG Ti
TRACE( "(%p,%s,%d,%p,%d)\n", hkey, debugstr_us(name), type, data, count );
if (name->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
if (name->Length > MAX_VALUE_LENGTH) return STATUS_BUFFER_OVERFLOW;
SERVER_START_REQ( set_key_value )
{

4
server/registry.c
View File

@ -100,8 +100,8 @@ struct key_value
#define MIN_SUBKEYS 8 /* min. number of allocated subkeys per key */
#define MIN_VALUES 8 /* min. number of allocated values per key */
#define MAX_NAME_LEN MAX_PATH /* max. length of a key name */
#define MAX_VALUE_LEN MAX_PATH /* max. length of a value name */
#define MAX_NAME_LEN 255 /* max. length of a key name */
#define MAX_VALUE_LEN 16383 /* max. length of a value name */
/* the root of the registry tree */
static struct key *root_key;