s4/rpc_server: return NULL dns_name for NT4 trusts
That's what Windows returns for an NT4 trust:
array: struct netr_DomainTrust
netbios_name : *
netbios_name : 'NT4TRUST'
dns_name : NULL
trust_flags : 0x00000020 (32)
0: NETR_TRUST_FLAG_IN_FOREST
0: NETR_TRUST_FLAG_OUTBOUND
0: NETR_TRUST_FLAG_TREEROOT
0: NETR_TRUST_FLAG_PRIMARY
0: NETR_TRUST_FLAG_NATIVE
1: NETR_TRUST_FLAG_INBOUND
0: NETR_TRUST_FLAG_MIT_KRB5
0: NETR_TRUST_FLAG_AES
parent_index : 0x00000000 (0)
trust_type : LSA_TRUST_TYPE_DOWNLEVEL (1)
trust_attributes : 0x00000000 (0)
0: LSA_TRUST_ATTRIBUTE_NON_TRANSITIVE
0: LSA_TRUST_ATTRIBUTE_UPLEVEL_ONLY
0: LSA_TRUST_ATTRIBUTE_QUARANTINED_DOMAIN
0: LSA_TRUST_ATTRIBUTE_FOREST_TRANSITIVE
0: LSA_TRUST_ATTRIBUTE_CROSS_ORGANIZATION
0: LSA_TRUST_ATTRIBUTE_WITHIN_FOREST
0: LSA_TRUST_ATTRIBUTE_TREAT_AS_EXTERNAL
0: LSA_TRUST_ATTRIBUTE_USES_RC4_ENCRYPTION
0: LSA_TRUST_ATTRIBUTE_CROSS_ORGANIZATION_NO_TGT_DELEGATION
0: LSA_TRUST_ATTRIBUTE_PIM_TRUST
0: LSA_TRUST_ATTRIBUTE_CROSS_ORGANIZATION_ENABLE_TGT_DELEGATION
sid : *
sid : S-1-5-21-
4267984555-
3675415144-
1682400025
guid :
00000000-0000-0000-0000-
000000000000
Even though when creating the trust the DNS name must not be NULL and the
trustPartner and name attributes are set to the flatName in the trustedDomain
object:
dn: CN=NT4TRUST,CN=System,DC=wdom2,DC=site
objectClass: top
objectClass: leaf
objectClass: trustedDomain
cn: NT4TRUST
distinguishedName: CN=NT4TRUST,CN=System,DC=wdom2,DC=site
instanceType: 4
whenCreated:
20240118175040.0Z
whenChanged:
20240118175040.0Z
uSNCreated:
4939915
uSNChanged:
4939916
showInAdvancedViewOnly: TRUE
name: NT4TRUST
objectGUID:
c2273b74-19ff-4f5a-b528-
9e5ae21960dd
securityIdentifier: S-1-5-21-
4267984555-
3675415144-
1682400025
trustDirection: 1
trustPartner: NT4TRUST
trustPosixOffset: 0
trustType: 1
trustAttributes: 0
flatName: NT4TRUST
objectCategory: CN=Trusted-Domain,CN=Schema,CN=Configuration,DC=wdom2,DC=site
isCriticalSystemObject: TRUE
dSCorePropagationData:
16010101000000.0Z
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15533
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>