[ekohl] 59432: [SAMLIB] - Implement SamChangePasswordUser. - Remove useless casts.

Author: ekohl
Date: Sat Jul  6 10:28:18 2013
New Revision: 59432

URL: http://svn.reactos.org/svn/reactos?rev=59432&view=rev
Log:
[SAMLIB]
- Implement SamChangePasswordUser.
- Remove useless casts.

Modified:
    trunk/reactos/dll/win32/samlib/samlib.c

Modified: trunk/reactos/dll/win32/samlib/samlib.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/samlib/samlib.c?…
==============================================================================
--- trunk/reactos/dll/win32/samlib/samlib.c	[iso-8859-1] (original)
+++ trunk/reactos/dll/win32/samlib/samlib.c	[iso-8859-1] Sat Jul  6 10:28:18 2013
@@ -203,8 +203,95 @@
                       IN PUNICODE_STRING OldPassword,
                       IN PUNICODE_STRING NewPassword)
 {
-    UNIMPLEMENTED;
-    return STATUS_NOT_IMPLEMENTED;
+    ENCRYPTED_NT_OWF_PASSWORD OldNtPassword;
+    ENCRYPTED_NT_OWF_PASSWORD NewNtPassword;
+    ENCRYPTED_LM_OWF_PASSWORD OldLmPassword;
+    ENCRYPTED_LM_OWF_PASSWORD NewLmPassword;
+    OEM_STRING LmPwdString;
+    CHAR LmPwdBuffer[15];
+    BOOLEAN OldLmPasswordPresent = FALSE;
+    BOOLEAN NewLmPasswordPresent = FALSE;
+    NTSTATUS Status;
+
+    /* Calculate the NT hash for the old password */
+    Status = SystemFunction007(OldPassword,
+                               (LPBYTE)&OldNtPassword);
+    if (!NT_SUCCESS(Status))
+    {
+        TRACE("SystemFunction007 failed (Status 0x%08lx)\n", Status);
+        return Status;
+    }
+
+    /* Calculate the NT hash for the new password */
+    Status = SystemFunction007(NewPassword,
+                               (LPBYTE)&NewNtPassword);
+    if (!NT_SUCCESS(Status))
+    {
+        TRACE("SystemFunction007 failed (Status 0x%08lx)\n", Status);
+        return Status;
+    }
+
+    /* Calculate the LM password and hash for the old password */
+    LmPwdString.Length = 15;
+    LmPwdString.MaximumLength = 15;
+    LmPwdString.Buffer = LmPwdBuffer;
+    ZeroMemory(LmPwdString.Buffer, LmPwdString.MaximumLength);
+
+    Status = RtlUpcaseUnicodeStringToOemString(&LmPwdString,
+                                               OldPassword,
+                                               FALSE);
+    if (NT_SUCCESS(Status))
+    {
+        /* Calculate the LM hash value of the password */
+        Status = SystemFunction006(LmPwdString.Buffer,
+                                   (LPSTR)&OldLmPassword);
+        if (NT_SUCCESS(Status))
+        {
+            OldLmPasswordPresent = TRUE;
+        }
+    }
+
+    /* Calculate the LM password and hash for the new password */
+    LmPwdString.Length = 15;
+    LmPwdString.MaximumLength = 15;
+    LmPwdString.Buffer = LmPwdBuffer;
+    ZeroMemory(LmPwdString.Buffer, LmPwdString.MaximumLength);
+
+    Status = RtlUpcaseUnicodeStringToOemString(&LmPwdString,
+                                               NewPassword,
+                                               FALSE);
+    if (NT_SUCCESS(Status))
+    {
+        /* Calculate the LM hash value of the password */
+        Status = SystemFunction006(LmPwdString.Buffer,
+                                   (LPSTR)&NewLmPassword);
+        if (NT_SUCCESS(Status))
+        {
+            NewLmPasswordPresent = TRUE;
+        }
+    }
+
+    RpcTryExcept
+    {
+        Status = SamrChangePasswordUser((SAMPR_HANDLE)UserHandle,
+                                        OldLmPasswordPresent &&
NewLmPasswordPresent,
+                                        &OldLmPassword,
+                                        &NewLmPassword,
+                                        TRUE,
+                                        &OldNtPassword,
+                                        &NewNtPassword,
+                                        FALSE,
+                                        NULL,
+                                        FALSE,
+                                        NULL);
+    }
+    RpcExcept(EXCEPTION_EXECUTE_HANDLER)
+    {
+        Status = I_RpcMapWin32Status(RpcExceptionCode());
+    }
+    RpcEndExcept;
+
+    return Status;
 }
 
 
@@ -536,7 +623,7 @@
     {
         Status = SamrEnumerateAliasesInDomain((SAMPR_HANDLE)DomainHandle,
                                               EnumerationContext,
-                                              (PSAMPR_ENUMERATION_BUFFER
*)&EnumBuffer,
+                                              &EnumBuffer,
                                               PreferedMaximumLength,
                                               CountReturned);
 
@@ -586,7 +673,7 @@
     {
         Status = SamrEnumerateDomainsInSamServer((SAMPR_HANDLE)ServerHandle,
                                                  EnumerationContext,
-                                                 (PSAMPR_ENUMERATION_BUFFER
*)&EnumBuffer,
+                                                 &EnumBuffer,
                                                  PreferedMaximumLength,
                                                  CountReturned);
 
@@ -634,7 +721,7 @@
     {
         Status = SamrEnumerateGroupsInDomain((SAMPR_HANDLE)DomainHandle,
                                              EnumerationContext,
-                                             (PSAMPR_ENUMERATION_BUFFER
*)&EnumBuffer,
+                                             &EnumBuffer,
                                              PreferedMaximumLength,
                                              CountReturned);
         if (EnumBuffer != NULL)
@@ -681,7 +768,7 @@
         Status = SamrEnumerateUsersInDomain((SAMPR_HANDLE)DomainHandle,
                                             EnumerationContext,
                                             UserAccountControl,
-                                            (PSAMPR_ENUMERATION_BUFFER
*)&EnumBuffer,
+                                            &EnumBuffer,
                                             PreferedMaximumLength,
                                             CountReturned);
         if (EnumBuffer != NULL)