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-rw-r--r--source3/libsmb/dsgetdcname.c29
1 files changed, 28 insertions, 1 deletions
diff --git a/source3/libsmb/dsgetdcname.c b/source3/libsmb/dsgetdcname.c
index 09a6e66..654893c 100644
--- a/source3/libsmb/dsgetdcname.c
+++ b/source3/libsmb/dsgetdcname.c
@@ -196,7 +196,29 @@ static NTSTATUS store_cldap_reply(TALLOC_CTX *mem_ctx,
/* FIXME */
r->sockaddr_size = 0x10; /* the w32 winsock addr size */
r->sockaddr.sockaddr_family = 2; /* AF_INET */
- r->sockaddr.pdc_ip = talloc_strdup(mem_ctx, addr);
+ if (is_ipaddress_v4(addr)) {
+ r->sockaddr.pdc_ip = talloc_strdup(mem_ctx, addr);
+ if (r->sockaddr.pdc_ip == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ } else {
+ /*
+ * ndr_push_NETLOGON_SAM_LOGON_RESPONSE_EX will
+ * fail with an ipv6 address.
+ *
+ * This matches windows behaviour in the CLDAP
+ * response when NETLOGON_NT_VERSION_5EX_WITH_IP
+ * is used.
+ *
+ * Windows returns the ipv4 address of the ipv6
+ * server interface and falls back to 127.0.0.1
+ * if there's no ipv4 address.
+ */
+ r->sockaddr.pdc_ip = talloc_strdup(mem_ctx, "127.0.0.1");
+ if (r->sockaddr.pdc_ip == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
ndr_err = ndr_push_struct_blob(&blob, mem_ctx, r,
(ndr_push_flags_fn_t)ndr_push_NETLOGON_SAM_LOGON_RESPONSE_EX);
@@ -930,6 +952,11 @@ static NTSTATUS process_dc_netbios(TALLOC_CTX *mem_ctx,
name_type = NBT_NAME_PDC;
}
+ /*
+ * It's 2024 we always want an AD style response!
+ */
+ nt_version |= NETLOGON_NT_VERSION_AVOID_NT4EMUL;
+
nt_version |= map_ds_flags_to_nt_version(flags);
snprintf(my_acct_name,