Comments (20)
CPUS_CHANGE_PASSWORD should be good enough.
from windows-credential-provider-library.
Thanks for the reply, what changes need to be done in getSerialization
while implementing this CPUS_CHANGE_PASSWORD
scenario? What method should I call to pass the old password and new password?
from windows-credential-provider-library.
Hello,
KerbChangePasswordPack
(https://social.msdn.microsoft.com/Forums/windowsdesktop/en-US/929b7283-562c-464f-ad4a-ba6699b52dbf/about-credential-providermodify-the-password-successlybut-the-password-is-null-when-the-password?forum=windowssdk)
Regards,
from windows-credential-provider-library.
The remarks on this:
https://docs.microsoft.com/en-us/windows/win32/api/credentialprovider/nf-credentialprovider-icredentialprovidercredential-getserialization
I am using the link to the source for maintainability. if it will be changed in the docs the answer will remain the same.
from windows-credential-provider-library.
Hello,
KerbChangePasswordPack
(https://social.msdn.microsoft.com/Forums/windowsdesktop/en-US/929b7283-562c-464f-ad4a-ba6699b52dbf/about-credential-providermodify-the-password-successlybut-the-password-is-null-when-the-password?forum=windowssdk)
Regards,
Nice to see you guys here 😃
from windows-credential-provider-library.
Thanks guys those links should help! Also guys how can I make this credential provider compatible for windows 8
and window 2012 R2
server? What steps are needed to be performed to achieve this? I tried to install in windows 2012 R2 server and I can't see the my credential provider in login screen, I checked the registry values and CLSID of my credential provider is added under HKLM/SOFTWARE/Microsoft/Windows/Current Version/Authentication/Credential Providers
and also .Dll is placed in system 32.
from windows-credential-provider-library.
Can you give me more info?
from windows-credential-provider-library.
Do you have VCRedist Visual Studio C++ runtimes installed ?
from windows-credential-provider-library.
Do you have VCRedist Visual Studio C++ runtimes installed ?
Yes I have installed VCRedist 2015 x64 in the Windows R2 2012 server, still I am not able to see my custom CP in sign in options.
from windows-credential-provider-library.
Can you give me more info?
Hi David, can you tell what info you need so that I can mention that specifically?
from windows-credential-provider-library.
Do you have VCRedist Visual Studio C++ runtimes installed ?
Yes I have installed VCRedist 2015 x64 in the Windows R2 2012 server, still I am not able to see my custom CP in sign in options.
Same issue! How did you solved that?
from windows-credential-provider-library.
hi, first of all thanks to DavidWeiss2 bcz of his github details about cp that helped me a lot. i am new to credential provider and i am trying to do a change cache credential password (password change).
In CSampleCredential.cpp file in GetSerialization(...) function
case CPUS_CHANGE_PASSWORD:
if(newPassword.Compare(confirmPassword) == 0)
{
KERB_CHANGEPASSWORD_REQUEST kcpr;
ZeroMemory(&kcpr, sizeof(kcpr));
hr = UnicodeStringInitWithString(m_domain, &kcpr.DomainName);
if (SUCCEEDED(hr))
{
hr = UnicodeStringInitWithString(m_username, &kcpr.AccountName);
if (SUCCEEDED(hr))
{
hr = UnicodeStringInitWithString(_rgFieldStrings[SFI_PASSWORD], &kcpr.OldPassword);
hr = UnicodeStringInitWithString(_rgFieldStrings[SFI_NEWPASSWORD], &kcpr.NewPassword);
if (SUCCEEDED(hr))
{
kcpr.MessageType = KerbChangePasswordMessage;
kcpr.Impersonating = FALSE;
hr = KerbChangePasswordPack( kcpr, &pcpcs->rgbSerialization, &pcpcs->cbSerialization);
if (SUCCEEDED(hr))
{
ULONG ulAuthPackage;
hr = RetrieveNegotiateAuthPackage(&ulAuthPackage);
if (SUCCEEDED(hr))
{
pcpcs->ulAuthenticationPackage = ulAuthPackage;
pcpcs->clsidCredentialProvider = CLSID_CSampleProvider;
*pcpgsr = CPGSR_RETURN_CREDENTIAL_FINISHED;
}
}
}
}
}
}
break;
and In "helpers.cpp" file you have to enter a new function code if this function is not there for password change
//pack the struct of KERB_CHANGEPASSWORD_REQUEST
HRESULT KerbChangePasswordPack(
const KERB_CHANGEPASSWORD_REQUEST& kcpr,
BYTE** prgb,
DWORD* pcb
)
{
HRESULT hr;
DWORD cb = sizeof(kcpr) +
kcpr.DomainName.Length +
kcpr.AccountName.Length +
kcpr.OldPassword.Length +
kcpr.NewPassword.Length;
KERB_CHANGEPASSWORD_REQUEST* pkcpr = (KERB_CHANGEPASSWORD_REQUEST*)CoTaskMemAlloc(cb);
if (pkcpr)
{
pkcpr->MessageType = kcpr.MessageType;
BYTE* pbBuffer = (BYTE*)pkcpr + sizeof(KERB_CHANGEPASSWORD_REQUEST);
_UnicodeStringPackedUnicodeStringCopy(kcpr.DomainName, (PWSTR)pbBuffer, &pkcpr->DomainName);
pkcpr->DomainName.Buffer = (PWSTR)(pbBuffer - (BYTE*)pkcpr);
pbBuffer += pkcpr->DomainName.Length;
_UnicodeStringPackedUnicodeStringCopy(kcpr.AccountName, (PWSTR)pbBuffer, &pkcpr->AccountName);
pkcpr->AccountName.Buffer = (PWSTR)(pbBuffer - (BYTE*)pkcpr);
pbBuffer += pkcpr->AccountName.Length;
_UnicodeStringPackedUnicodeStringCopy(kcpr.OldPassword, (PWSTR)pbBuffer, &pkcpr->OldPassword);
pkcpr->OldPassword.Buffer = (PWSTR)(pbBuffer - (BYTE*)pkcpr);
pbBuffer += pkcpr->OldPassword.Length;
_UnicodeStringPackedUnicodeStringCopy(kcpr.NewPassword, (PWSTR)pbBuffer, &pkcpr->NewPassword);
pkcpr->NewPassword.Buffer = (PWSTR)(pbBuffer - (BYTE*)pkcpr);
*prgb = (BYTE*)pkcpr;
*pcb = cb;
hr = S_OK;
}
else
{
hr = E_OUTOFMEMORY;
}
return hr;
}
now the problem for me is, what are the changing i want to do except from these. like how to change usage scenario to cpus_change_password and how to pass control to get serialization so that to run these code.
like what are the other things i need to do except from these
from windows-credential-provider-library.
I think you can replicate the password change scenario by changing password expiry policies in active directory for the test user. @gokulraj381
from windows-credential-provider-library.
NO , my problem is when the user is offline (like he is not near domain controller). i want to change his password (as he is not under domain controller) in cache credential of his laptop. to do that is there any API or i need to implement CPUS_CHANGE_PASSWORD
from windows-credential-provider-library.
can i get ur instagram id or gmail id so that i can contact you and ask about my doubt
from windows-credential-provider-library.
When you are not able to reach domain controller and you want to change the cached password of domain user that use case is not supported up to my knowledge, [email protected].
from windows-credential-provider-library.
but brother the domain password are stored in our laptop as cache credential (to authenticate when the dc is not available). now i just need to change that cache credential password. do u know anybody who knows about co better??
from windows-credential-provider-library.
Like I said you can't change the password when your domain is offline even though the password is cached locally. Please follow this article https://social.technet.microsoft.com/Forums/windows/en-US/b723142a-33f5-4b02-95b1-5a5daac606b1/how-to-reset-password-of-user-while-not-connected-to-domain-using-local-admin-account?forum=w7itprosecurity#:~:text=Short%20answer%20is%20that%20you,controller%2C%20not%20the%20local%20machine.
from windows-credential-provider-library.
brother that is what i am saying ,the cached copy which he told , that is the thing I want to change !!! for that he told that we need old password and i also have it. the method how to do it is the question
for referal his answer
Locally you just has a cached copy of it, but that's not the master copy of it (which is why you don't see the user listed as a local user on the machine).
In order for them to reset their password they'll need to enter their existing password in any case, so even if you could initiate it locally it wouldn't help without the existing password.
the existing password i have it, i just want the method
from windows-credential-provider-library.
Hello, I am a developer from China. I would like to ask a question about how to make remote login users have the same credentials as those who log in locally.
from windows-credential-provider-library.
Related Issues (13)
- add pGINA fork HOT 2
- When system is Locked, CPUS_UNLOCK_WORKSTATION in a Custom Credential Provider, DomainPassword Expiry Scenario is not working and not displaying Password change UI.
- endless Loop when click on "switch user"
- Signature based user authentication PDF [Link Expired] HOT 1
- Disabling the Windows Welcome screen after sign-in HOT 2
- [Help | General ] CP is not available for all users HOT 4
- pGina service is not shutting down HOT 2
- Focus problem HOT 2
- SampleV2CredentialProvider.dll is not being triggered on authentication of user (Win2016) HOT 4
- Loop on other user tail HOT 1
- Addition to list HOT 1
- Display message box after authentication .
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from windows-credential-provider-library.