+#include "auth/session.h"
+#include "auth/system_session_proto.h"
+#include "libcli/security/security.h"
+
+struct ldb_message;
+struct ldb_context;
+struct gensec_security;
+struct cli_credentials;
+
+NTSTATUS auth_get_challenge(struct auth_context *auth_ctx, uint8_t chal[8]);
+NTSTATUS authsam_account_ok(TALLOC_CTX *mem_ctx,
+ struct ldb_context *sam_ctx,
+ uint32_t logon_parameters,
+ struct ldb_dn *domain_dn,
+ struct ldb_message *msg,
+ const char *logon_workstation,
+ const char *name_for_logs,
+ bool allow_domain_trust,
+ bool password_change);
+NTSTATUS authsam_expand_nested_groups(struct ldb_context *sam_ctx,
+ struct ldb_val *dn_val, const bool only_childs, const char *filter,
+ TALLOC_CTX *res_sids_ctx, struct dom_sid ***res_sids,
+ unsigned int *num_res_sids);
+struct auth_session_info *system_session(struct loadparm_context *lp_ctx);
+NTSTATUS authsam_make_user_info_dc(TALLOC_CTX *mem_ctx, struct ldb_context *sam_ctx,
+ const char *netbios_name,
+ const char *domain_name,
+ struct ldb_dn *domain_dn,
+ struct ldb_message *msg,
+ DATA_BLOB user_sess_key, DATA_BLOB lm_sess_key,
+ struct auth_user_info_dc **_user_info_dc);
+NTSTATUS auth_system_session_info(TALLOC_CTX *parent_ctx,
+ struct loadparm_context *lp_ctx,
+ struct auth_session_info **_session_info) ;
+
+NTSTATUS auth_context_create_methods(TALLOC_CTX *mem_ctx, const char **methods,
+ struct tevent_context *ev,
+ struct messaging_context *msg,
+ struct loadparm_context *lp_ctx,
+ struct ldb_context *sam_ctx,
+ struct auth_context **auth_ctx);
+const char **auth_methods_from_lp(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx);
+
+NTSTATUS auth_context_create(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct messaging_context *msg,
+ struct loadparm_context *lp_ctx,
+ struct auth_context **auth_ctx);
+NTSTATUS auth_context_create_from_ldb(TALLOC_CTX *mem_ctx, struct ldb_context *ldb, struct auth_context **auth_ctx);
+
+NTSTATUS auth_check_password(struct auth_context *auth_ctx,
+ TALLOC_CTX *mem_ctx,
+ const struct auth_usersupplied_info *user_info,
+ struct auth_user_info_dc **user_info_dc);
+NTSTATUS auth4_init(void);
+NTSTATUS auth_register(const struct auth_operations *ops);
+NTSTATUS server_service_auth_init(void);
+NTSTATUS authenticate_username_pw(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct messaging_context *msg,
+ struct loadparm_context *lp_ctx,
+ const char *nt4_domain,
+ const char *nt4_username,
+ const char *password,
+ const uint32_t logon_parameters,
+ struct auth_session_info **session_info);
+
+struct tevent_req *auth_check_password_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct auth_context *auth_ctx,
+ const struct auth_usersupplied_info *user_info);
+NTSTATUS auth_check_password_recv(struct tevent_req *req,
+ TALLOC_CTX *mem_ctx,
+ struct auth_user_info_dc **user_info_dc);
+
+bool auth_challenge_may_be_modified(struct auth_context *auth_ctx);
+NTSTATUS auth_context_set_challenge(struct auth_context *auth_ctx, const uint8_t chal[8], const char *set_by);
+
+NTSTATUS auth_get_user_info_dc_principal(TALLOC_CTX *mem_ctx,
+ struct auth_context *auth_ctx,
+ const char *principal,
+ struct ldb_dn *user_dn,
+ struct auth_user_info_dc **user_info_dc);
+
+NTSTATUS samba_server_gensec_start(TALLOC_CTX *mem_ctx,
+ struct tevent_context *event_ctx,
+ struct messaging_context *msg_ctx,
+ struct loadparm_context *lp_ctx,
+ struct cli_credentials *server_credentials,
+ const char *target_service,
+ struct gensec_security **gensec_context);