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libcli/auth: add netlogon_creds_{de,en}crypt_samr_Password()

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These will simplify adding the logic for netr_ServerAuthenticateKerberos...

BUG: https://bugzilla.samba.org/show_bug.cgi?id=15425

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
This commit is contained in:
Stefan Metzmacher 2024-10-28 13:03:37 +01:00 committed by Douglas Bagnall
parent 3d4ea276bd
commit 851a9b18ec
2 changed files with 55 additions and 0 deletions
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47
libcli/auth/credentials.c
View File

@ -1149,6 +1149,53 @@ NTSTATUS netlogon_creds_encrypt_samlogon_logon(struct netlogon_creds_CredentialS
true);
}
static NTSTATUS netlogon_creds_crypt_samr_Password(
struct netlogon_creds_CredentialState *creds,
struct samr_Password *pass,
enum dcerpc_AuthType auth_type,
enum dcerpc_AuthLevel auth_level,
bool do_encrypt)
{
if (all_zero(pass->hash, ARRAY_SIZE(pass->hash))) {
return NT_STATUS_OK;
}
/*
* Even with NETLOGON_NEG_SUPPORTS_AES or
* NETLOGON_NEG_ARCFOUR this uses DES
*/
if (do_encrypt) {
return netlogon_creds_des_encrypt(creds, pass);
}
return netlogon_creds_des_decrypt(creds, pass);
}
NTSTATUS netlogon_creds_decrypt_samr_Password(struct netlogon_creds_CredentialState *creds,
struct samr_Password *pass,
enum dcerpc_AuthType auth_type,
enum dcerpc_AuthLevel auth_level)
{
return netlogon_creds_crypt_samr_Password(creds,
pass,
auth_type,
auth_level,
false);
}
NTSTATUS netlogon_creds_encrypt_samr_Password(struct netlogon_creds_CredentialState *creds,
struct samr_Password *pass,
enum dcerpc_AuthType auth_type,
enum dcerpc_AuthLevel auth_level)
{
return netlogon_creds_crypt_samr_Password(creds,
pass,
auth_type,
auth_level,
true);
}
union netr_LogonLevel *netlogon_creds_shallow_copy_logon(TALLOC_CTX *mem_ctx,
enum netr_LogonInfoClass level,
const union netr_LogonLevel *in)

8
libcli/auth/proto.h
View File

@ -96,6 +96,14 @@ NTSTATUS netlogon_creds_encrypt_samlogon_logon(struct netlogon_creds_CredentialS
union netr_LogonLevel *logon,
enum dcerpc_AuthType auth_type,
enum dcerpc_AuthLevel auth_level);
NTSTATUS netlogon_creds_decrypt_samr_Password(struct netlogon_creds_CredentialState *creds,
struct samr_Password *pass,
enum dcerpc_AuthType auth_type,
enum dcerpc_AuthLevel auth_level);
NTSTATUS netlogon_creds_encrypt_samr_Password(struct netlogon_creds_CredentialState *creds,
struct samr_Password *pass,
enum dcerpc_AuthType auth_type,
enum dcerpc_AuthLevel auth_level);
union netr_LogonLevel *netlogon_creds_shallow_copy_logon(TALLOC_CTX *mem_ctx,
enum netr_LogonInfoClass level,
const union netr_LogonLevel *in);