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// Test changing a SAM password
///////////////////////////////////////////////////////////////////////////////
// //
// Includes //
// //
///////////////////////////////////////////////////////////////////////////////
#include <stdio.h>
#include <nt.h>
#include <ntsam.h>
#include <ntsamp.h>
#include <ntlsa.h>
#include <ntrpcp.h> // prototypes for MIDL user functions
#include <seopaque.h>
#include <string.h>
VOID
main (argc, argv)
int argc;
char **argv;
{
NTSTATUS Status;
OBJECT_ATTRIBUTES ObjectAttributes;
SECURITY_QUALITY_OF_SERVICE SecurityQos;
PSID DomainSid = NULL;
PULONG UserId = NULL;
PSID_NAME_USE NameUse = NULL;
SAM_HANDLE SamHandle = NULL;
SAM_HANDLE DomainHandle = NULL;
SAM_HANDLE UserHandle = NULL;
WCHAR UserNameBuffer[80];
WCHAR OldPasswordBuffer[80];
WCHAR NewPasswordBuffer[80];
UNICODE_STRING UserName;
UNICODE_STRING Domain;
UNICODE_STRING OldPassword;
UNICODE_STRING NewPassword;
ANSI_STRING AnsiString;
UserName.Buffer = UserNameBuffer;
UserName.MaximumLength = sizeof(UserNameBuffer);
OldPassword.Buffer = OldPasswordBuffer;
OldPassword.MaximumLength = sizeof(OldPasswordBuffer);
NewPassword.Buffer = NewPasswordBuffer;
NewPassword.MaximumLength = sizeof(NewPasswordBuffer);
RtlInitUnicodeString(&Domain, L"Account");
RtlInitAnsiString(&AnsiString, argv[1]);
RtlAnsiStringToUnicodeString(&UserName, &AnsiString, FALSE);
if (*(argv[2]) == '-') {
*(argv[2]) = 0;
}
RtlInitAnsiString(&AnsiString, argv[2]);
RtlAnsiStringToUnicodeString(&OldPassword, &AnsiString, FALSE);
if (*(argv[3]) == '-') {
*(argv[3]) = 0;
}
RtlInitAnsiString(&AnsiString, argv[3]);
RtlAnsiStringToUnicodeString(&NewPassword, &AnsiString, FALSE);
//
// Setup ObjectAttributes for SamConnect call.
//
InitializeObjectAttributes(&ObjectAttributes, NULL, 0, 0, NULL);
ObjectAttributes.SecurityQualityOfService = &SecurityQos;
SecurityQos.Length = sizeof(SecurityQos);
SecurityQos.ImpersonationLevel = SecurityIdentification;
SecurityQos.ContextTrackingMode = SECURITY_STATIC_TRACKING;
SecurityQos.EffectiveOnly = FALSE;
Status = SamConnect(
NULL,
&SamHandle,
GENERIC_EXECUTE,
&ObjectAttributes
);
if ( !NT_SUCCESS(Status) ) {
DbgPrint("MspChangePasswordSam: SamConnect failed, status %8.8x\n", Status);
goto Cleanup;
}
Status = SamLookupDomainInSamServer(
SamHandle,
&Domain,
&DomainSid
);
if ( !NT_SUCCESS(Status) ) {
DbgPrint("MspChangePasswordSam: Cannot find account domain, status %8.8x\n", Status);
Status = STATUS_CANT_ACCESS_DOMAIN_INFO;
goto Cleanup;
}
Status = SamOpenDomain(
SamHandle,
GENERIC_EXECUTE,
DomainSid,
&DomainHandle
);
if ( !NT_SUCCESS(Status) ) {
DbgPrint("MspChangePasswordSam: Cannot open account domain, status %8.8x\n", Status);
Status = STATUS_CANT_ACCESS_DOMAIN_INFO;
goto Cleanup;
}
Status = SamLookupNamesInDomain(
DomainHandle,
1,
&UserName,
&UserId,
&NameUse
);
if ( !NT_SUCCESS(Status) ) {
DbgPrint("MspChangePasswordSam: Cannot lookup user %wZ, status %8.8x\n", &UserName, Status);
goto Cleanup;
}
Status = SamOpenUser(
DomainHandle,
USER_CHANGE_PASSWORD,
*UserId,
&UserHandle
);
if ( !NT_SUCCESS(Status) ) {
DbgPrint("MspChangePasswordSam: Cannot open user %wZ, status %8.8x\n",
&UserName, Status);
goto Cleanup;
}
Status = SamChangePasswordUser(
UserHandle,
&OldPassword,
&NewPassword
);
if ( !NT_SUCCESS(Status) ) {
DbgPrint("MspChangePasswordSam: Failed to change user password, status %8.8x\n", Status);
}
Cleanup:
//
// Free DomainSid if used.
//
if (DomainSid) {
SamFreeMemory(DomainSid);
}
//
// Free UserId if used.
//
if (UserId) {
SamFreeMemory(UserId);
}
//
// Free NameUse if used.
//
if (NameUse) {
SamFreeMemory(NameUse);
}
//
// Close UserHandle if open.
//
if (UserHandle) {
SamCloseHandle(UserHandle);
}
//
// Close DomainHandle if open.
//
if (DomainHandle) {
SamCloseHandle(DomainHandle);
}
//
// Close SamHandle if open.
//
if (SamHandle) {
SamCloseHandle(SamHandle);
}
}
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