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Improved Netapi32.dll API compatibility

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This commit is contained in:
Tal Aloni 2017-02-21 12:29:16 +02:00
parent e554fffff6
commit 2141e649fa
1 changed files with 24 additions and 25 deletions
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49
SMBLibrary/Win32/Security/NetworkAPI.cs
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@ -13,14 +13,14 @@ namespace SMBLibrary.Win32.Security
{
public class NetworkAPI
{
public const int NERR_Success = 0;
public const uint NERR_Success = 0;
public const uint NERR_UserNotFound = 2221;
public const int MAX_PREFERRED_LENGTH = -1;
public const uint MAX_PREFERRED_LENGTH = 0xFFFFFFFF;
public const int FILTER_NORMAL_ACCOUNT = 2;
public const uint FILTER_NORMAL_ACCOUNT = 2;
public const int UF_ACCOUNTDISABLE = 2;
public const uint UF_ACCOUNTDISABLE = 2;
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct USER_INFO_0
@ -55,28 +55,28 @@ namespace SMBLibrary.Win32.Security
// NetAPIBufferFree - Used to free buffer allocation after NetUserEnum / NetUserGetInfo / NetUserGetLocalGroups
[DllImport("Netapi32.dll")]
public extern static int NetApiBufferFree(IntPtr buffer);
public extern static uint NetApiBufferFree(IntPtr buffer);
// NetUserEnum - Obtains a list of all users on local machine or network
[DllImport("Netapi32.dll")]
public extern static int NetUserEnum([MarshalAs(UnmanagedType.LPWStr)]string servername, int level, int filter, out IntPtr bufPtr, int prefmaxlen, out int entriesread, out int totalentries, out int resume_handle);
public extern static uint NetUserEnum([MarshalAs(UnmanagedType.LPWStr)]string servername, uint level, uint filter, out IntPtr bufPtr, uint prefmaxlen, out uint entriesread, out uint totalentries, out uint resume_handle);
// NetUserGetInfo - Retrieves information about a particular user account on a server
[DllImport("Netapi32.dll")]
public extern static int NetUserGetInfo([MarshalAs(UnmanagedType.LPWStr)]string servername, [MarshalAs(UnmanagedType.LPWStr)]string userName, int level, out IntPtr bufPtr);
public extern static uint NetUserGetInfo([MarshalAs(UnmanagedType.LPWStr)]string servername, [MarshalAs(UnmanagedType.LPWStr)]string userName, uint level, out IntPtr bufPtr);
[DllImport("Netapi32.dll")]
public extern static int NetUserGetLocalGroups([MarshalAs(UnmanagedType.LPWStr)]string servername,[MarshalAs(UnmanagedType.LPWStr)] string username, int level, int flags, out IntPtr bufPtr, int prefmaxlen, out int entriesread, out int totalentries);
public extern static uint NetUserGetLocalGroups([MarshalAs(UnmanagedType.LPWStr)]string servername,[MarshalAs(UnmanagedType.LPWStr)] string username, uint level, uint flags, out IntPtr bufPtr, uint prefmaxlen, out uint entriesread, out uint totalentries);
public static List<string> EnumerateGroups(string userName)
{
List<string> result = new List<string>();
int entriesRead;
int totalEntries;
uint entriesRead;
uint totalEntries;
IntPtr bufPtr;
const int Level = 0;
int status = NetUserGetLocalGroups(null, userName, Level, 0, out bufPtr, MAX_PREFERRED_LENGTH, out entriesRead, out totalEntries);
uint level = 0;
uint status = NetUserGetLocalGroups(null, userName, level, 0, out bufPtr, MAX_PREFERRED_LENGTH, out entriesRead, out totalEntries);
if (status != NERR_Success)
{
throw new Exception("NetUserGetLocalGroups failed, Error code: " + status.ToString());
@ -101,14 +101,13 @@ namespace SMBLibrary.Win32.Security
public static List<string> EnumerateAllUsers()
{
List<string> result = new List<string>();
int entriesRead;
int totalEntries;
int resume;
uint entriesRead;
uint totalEntries;
uint resume;
IntPtr bufPtr;
const int Level = 0;
const int FILTER_NORMAL_ACCOUNT = 2;
int status = NetUserEnum(null, Level, FILTER_NORMAL_ACCOUNT, out bufPtr, MAX_PREFERRED_LENGTH, out entriesRead, out totalEntries, out resume);
uint level = 0;
uint status = NetUserEnum(null, level, FILTER_NORMAL_ACCOUNT, out bufPtr, MAX_PREFERRED_LENGTH, out entriesRead, out totalEntries, out resume);
if (status != NERR_Success)
{
throw new Exception("NetUserEnum failed, Error code: " + status.ToString());
@ -132,13 +131,13 @@ namespace SMBLibrary.Win32.Security
public static List<string> EnumerateEnabledUsers()
{
List<string> result = new List<string>();
int entriesRead;
int totalEntries;
int resume;
uint entriesRead;
uint totalEntries;
uint resume;
IntPtr bufPtr;
int level = 1;
int status = NetUserEnum(null, level, FILTER_NORMAL_ACCOUNT, out bufPtr, MAX_PREFERRED_LENGTH, out entriesRead, out totalEntries, out resume);
uint level = 1;
uint status = NetUserEnum(null, level, FILTER_NORMAL_ACCOUNT, out bufPtr, MAX_PREFERRED_LENGTH, out entriesRead, out totalEntries, out resume);
if (status != NERR_Success)
{
throw new Exception("NetUserEnum failed, Error code: " + status.ToString());
@ -164,9 +163,9 @@ namespace SMBLibrary.Win32.Security
public static bool IsUserExists(string userName)
{
int level = 0;
uint level = 0;
IntPtr bufPtr;
int result = NetUserGetInfo(null, userName, level, out bufPtr);
uint result = NetUserGetInfo(null, userName, level, out bufPtr);
if (result == NERR_Success)
{
NetApiBufferFree(bufPtr);