1 files changed, 90 insertions, 0 deletions
diff --git a/source4/kdc/authn_policy_util.h b/source4/kdc/authn_policy_util.h
new file mode 100644
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+++ b/source4/kdc/authn_policy_util.h
@@ -0,0 +1,90 @@
+/*
+   Unix SMB/CIFS implementation.
+   Samba Active Directory authentication policy utility functions
+
+   Copyright (C) Catalyst.Net Ltd 2023
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef KDC_AUTHN_POLICY_UTIL_H
+#define KDC_AUTHN_POLICY_UTIL_H
+
+#include "lib/replace/replace.h"
+#include "source4/kdc/authn_policy.h"
+#include <talloc.h>
+
+struct ldb_context;
+struct loadparm_context;
+struct ldb_message;
+
+bool authn_policy_silos_and_policies_in_effect(struct ldb_context *samdb);
+
+bool authn_policy_allowed_ntlm_network_auth_in_effect(struct ldb_context *samdb);
+
+/*
+ * Look up the silo assigned to an account. If one exists, returns its details
+ * and whether it is enforced or not. ‘silo_attrs’ comprises the attributes to
+ * include in the search result, the relevant set of which can differ depending
+ * on the account’s objectClass.
+ */
+int authn_policy_get_assigned_silo(struct ldb_context *samdb,
+				   TALLOC_CTX *mem_ctx,
+				   const struct ldb_message *msg,
+				   const char *const *silo_attrs,
+				   const struct ldb_message **silo_msg_out,
+				   bool *is_enforced);
+
+/* Authentication policies for Kerberos clients. */
+
+/*
+ * Get the applicable authentication policy for an account acting as a Kerberos
+ * client.
+ */
+int authn_policy_kerberos_client(struct ldb_context *samdb,
+				 TALLOC_CTX *mem_ctx,
+				 const struct ldb_message *msg,
+				 const struct authn_kerberos_client_policy **policy_out);
+
+/* Return whether an authentication policy enforces device restrictions. */
+bool authn_policy_device_restrictions_present(const struct authn_kerberos_client_policy *policy);
+
+/* Authentication policies for NTLM clients. */
+
+/*
+ * Get the applicable authentication policy for an account acting as an NTLM
+ * client.
+ */
+int authn_policy_ntlm_client(struct ldb_context *samdb,
+			     TALLOC_CTX *mem_ctx,
+			     const struct ldb_message *msg,
+			     const struct authn_ntlm_client_policy **policy_out);
+
+/* Authentication policies for servers. */
+
+struct authn_server_policy;
+
+/*
+ * Get the applicable authentication policy for an account acting as a
+ * server.
+ */
+int authn_policy_server(struct ldb_context *samdb,
+			TALLOC_CTX *mem_ctx,
+			const struct ldb_message *msg,
+			const struct authn_server_policy **policy_out);
+
+/* Return whether an authentication policy enforces restrictions. */
+bool authn_policy_restrictions_present(const struct authn_server_policy *policy);
+
+#endif