Simplify interfaces initialization

Make as much as possible static, and remove use of talloc_reference and
allocation/deallocation of memory when not necessary.
Fix also responder use of rctx->conn, was mistakenly used for both
monitor and dp connections.

24 files changed, 267 insertions, 417 deletions

diff --git a/server/monitor/monitor.c b/server/monitor/monitor.c
index 7a27c4ec7..81012071f 100644
--- a/server/monitor/monitor.c
+++ b/server/monitor/monitor.c
@@ -171,45 +171,33 @@ static int dbus_get_monitor_version(DBusMessage *message,
 }
 
 struct sbus_method monitor_methods[] = {
-    { MONITOR_METHOD_VERSION, dbus_get_monitor_version},
-    {NULL, NULL}
+    { MON_SRV_METHOD_VERSION, dbus_get_monitor_version },
+    { NULL, NULL }
+};
+
+struct sbus_interface monitor_server_interface = {
+    MONITOR_DBUS_INTERFACE,
+    MONITOR_DBUS_PATH,
+    SBUS_DEFAULT_VTABLE,
+    monitor_methods,
+    NULL
 };
 
 /* monitor_dbus_init
  * Set up the monitor service as a D-BUS Server */
 static int monitor_dbus_init(struct mt_ctx *ctx)
 {
-    struct sbus_method_ctx *sd_ctx;
     char *monitor_address;
     int ret;
 
-    sd_ctx = talloc_zero(ctx, struct sbus_method_ctx);
-    if (!sd_ctx) {
-        return ENOMEM;
-    }
-
-    monitor_address = talloc_asprintf(sd_ctx, "unix:path=%s/%s",
+    monitor_address = talloc_asprintf(ctx, "unix:path=%s/%s",
                                       PIPE_PATH, SSSD_SERVICE_PIPE);
     if (!monitor_address) {
-        talloc_free(sd_ctx);
-        return ENOMEM;
-    }
-
-    /* Set up globally-available D-BUS methods */
-    sd_ctx->interface = talloc_strdup(sd_ctx, MONITOR_DBUS_INTERFACE);
-    if (!sd_ctx->interface) {
-        talloc_free(sd_ctx);
-        return ENOMEM;
-    }
-    sd_ctx->path = talloc_strdup(sd_ctx, MONITOR_DBUS_PATH);
-    if (!sd_ctx->path) {
-        talloc_free(sd_ctx);
         return ENOMEM;
     }
-    sd_ctx->methods = monitor_methods;
-    sd_ctx->message_handler = sbus_message_handler;
 
-    ret = sbus_new_server(ctx, ctx->ev, monitor_address, sd_ctx,
+    ret = sbus_new_server(ctx, ctx->ev,
+                          monitor_address, &monitor_server_interface,
                           &ctx->sbus_srv, dbus_service_init, ctx);
 
     talloc_free(monitor_address);
@@ -464,9 +452,9 @@ static int monitor_shutdown_service(struct mt_svc *svc)
 
     /* Construct a shutdown message */
     msg = dbus_message_new_method_call(NULL,
-                                       SERVICE_PATH,
-                                       SERVICE_INTERFACE,
-                                       SERVICE_METHOD_SHUTDOWN);
+                                       MONITOR_PATH,
+                                       MONITOR_INTERFACE,
+                                       MON_CLI_METHOD_SHUTDOWN);
     if (!msg) {
         DEBUG(0,("Out of memory?!\n"));
         monitor_kill_service(svc);
@@ -581,8 +569,8 @@ static int service_signal(struct mt_svc *svc, const char *svc_signal)
 
     dbus_conn = sbus_get_connection(svc->mt_conn->conn);
     msg = dbus_message_new_method_call(NULL,
-                                       SERVICE_PATH,
-                                       SERVICE_INTERFACE,
+                                       MONITOR_PATH,
+                                       MONITOR_INTERFACE,
                                        svc_signal);
     if (!msg) {
         DEBUG(0,("Out of memory?!\n"));
@@ -610,11 +598,11 @@ static int service_signal(struct mt_svc *svc, const char *svc_signal)
 
 static int service_signal_reload(struct mt_svc *svc)
 {
-    return service_signal(svc, SERVICE_METHOD_RELOAD);
+    return service_signal(svc, MON_CLI_METHOD_RELOAD);
 }
 static int service_signal_dns_reload(struct mt_svc *svc)
 {
-    return service_signal(svc, SERVICE_METHOD_RES_INIT);
+    return service_signal(svc, MON_CLI_METHOD_RES_INIT);
 }
 
 static int check_domain_ranges(struct sss_domain_info *domains)
@@ -1823,9 +1811,9 @@ static int dbus_service_init(struct sbus_connection *conn, void *data)
      * for all services
      */
     msg = dbus_message_new_method_call(NULL,
-                                       SERVICE_PATH,
-                                       SERVICE_INTERFACE,
-                                       SERVICE_METHOD_IDENTITY);
+                                       MONITOR_PATH,
+                                       MONITOR_INTERFACE,
+                                       MON_CLI_METHOD_IDENTITY);
     if (msg == NULL) {
         DEBUG(0,("Out of memory?!\n"));
         talloc_free(conn);
@@ -1970,9 +1958,9 @@ static int service_send_ping(struct mt_svc *svc)
      * for all services
      */
     msg = dbus_message_new_method_call(NULL,
-                                       SERVICE_PATH,
-                                       SERVICE_INTERFACE,
-                                       SERVICE_METHOD_PING);
+                                       MONITOR_PATH,
+                                       MONITOR_INTERFACE,
+                                       MON_CLI_METHOD_PING);
     if (!msg) {
         DEBUG(0,("Out of memory?!\n"));
         talloc_free(svc->mt_conn->conn);
diff --git a/server/monitor/monitor_interfaces.h b/server/monitor/monitor_interfaces.h
index 05d1bb416..5c58066d5 100644
--- a/server/monitor/monitor_interfaces.h
+++ b/server/monitor/monitor_interfaces.h
@@ -25,20 +25,19 @@
 #define MONITOR_DBUS_INTERFACE "org.freedesktop.sssd.monitor"
 #define MONITOR_DBUS_PATH "/org/freedesktop/sssd/monitor"
 
-/* Monitor Methods */
-#define MONITOR_METHOD_VERSION "getVersion"
+/* Monitor SRV Methods */
+#define MON_SRV_METHOD_VERSION "getVersion"
 
+/*** Monitor Interface ***/
 
-/*** Services ***/
+#define MONITOR_PATH "/org/freedesktop/sssd/service"
+#define MONITOR_INTERFACE "org.freedesktop.sssd.service"
 
-#define SERVICE_PATH "/org/freedesktop/sssd/service"
-#define SERVICE_INTERFACE "org.freedesktop.sssd.service"
-
-/* Service Methods */
-#define SERVICE_METHOD_IDENTITY "getIdentity"
-#define SERVICE_METHOD_PING "ping"
-#define SERVICE_METHOD_RELOAD "reloadConfig"
-#define SERVICE_METHOD_SHUTDOWN "shutDown"
-#define SERVICE_METHOD_RES_INIT "resInit"
+/* Monitor CLI Methods */
+#define MON_CLI_METHOD_IDENTITY "getIdentity"
+#define MON_CLI_METHOD_PING "ping"
+#define MON_CLI_METHOD_RELOAD "reloadConfig"
+#define MON_CLI_METHOD_SHUTDOWN "shutDown"
+#define MON_CLI_METHOD_RES_INIT "resInit"
 
 #define SSSD_SERVICE_PIPE "private/sbus-monitor"
diff --git a/server/monitor/monitor_sbus.c b/server/monitor/monitor_sbus.c
index 5d49f003d..817b42ae6 100644
--- a/server/monitor/monitor_sbus.c
+++ b/server/monitor/monitor_sbus.c
@@ -54,38 +54,3 @@ done:
     return ret;
 }
 
-int monitor_init_sbus_methods(TALLOC_CTX *mem_ctx,
-                              struct sbus_method *methods,
-                              struct sbus_method_ctx **sm_ctx)
-{
-    struct sbus_method_ctx *method_ctx;
-    int ret;
-
-    method_ctx = talloc_zero(mem_ctx, struct sbus_method_ctx);
-    if (!method_ctx) {
-        ret = ENOMEM;
-        goto fail;
-    }
-
-    method_ctx->interface = talloc_strdup(method_ctx, SERVICE_INTERFACE);
-    if (method_ctx->interface == NULL) {
-        ret = ENOMEM;
-        goto fail;
-    }
-
-    method_ctx->path = talloc_strdup(method_ctx, SERVICE_PATH);
-    if (method_ctx->path == NULL) {
-        ret = ENOMEM;
-        goto fail;
-    }
-
-    method_ctx->methods = methods;
-    method_ctx->message_handler = sbus_message_handler;
-
-    *sm_ctx = method_ctx;
-    return EOK;
-
-fail:
-    talloc_free(method_ctx);
-    return ret;
-}
diff --git a/server/monitor/monitor_sbus.h b/server/monitor/monitor_sbus.h
index 5e110ab87..bc36e88eb 100644
--- a/server/monitor/monitor_sbus.h
+++ b/server/monitor/monitor_sbus.h
@@ -24,7 +24,5 @@
 
 int monitor_get_sbus_address(TALLOC_CTX *mem_ctx, struct confdb_ctx *confdb,
                              char **address);
-int monitor_init_sbus_methods(TALLOC_CTX *mem_ctx, struct sbus_method *methods,
-                              struct sbus_method_ctx **sm_ctx);
 
 #endif /* MONITOR_SBUS_H_ */
diff --git a/server/providers/data_provider.c b/server/providers/data_provider.c
index c844f644d..b95292546 100644
--- a/server/providers/data_provider.c
+++ b/server/providers/data_provider.c
@@ -89,23 +89,39 @@ static int service_pong(DBusMessage *message, struct sbus_connection *conn);
 static int service_reload(DBusMessage *message, struct sbus_connection *conn);
 static int service_res_init(DBusMessage *message, struct sbus_connection *conn);
 
-struct sbus_method mon_sbus_methods[] = {
-    { SERVICE_METHOD_IDENTITY, service_identity },
-    { SERVICE_METHOD_PING, service_pong },
-    { SERVICE_METHOD_RELOAD, service_reload },
-    { SERVICE_METHOD_RES_INIT, service_res_init },
+struct sbus_method monitor_dp_methods[] = {
+    { MON_CLI_METHOD_IDENTITY, service_identity },
+    { MON_CLI_METHOD_PING, service_pong },
+    { MON_CLI_METHOD_RELOAD, service_reload },
+    { MON_CLI_METHOD_RES_INIT, service_res_init },
     { NULL, NULL }
 };
 
+struct sbus_interface monitor_dp_interface = {
+    MONITOR_INTERFACE,
+    MONITOR_PATH,
+    SBUS_DEFAULT_VTABLE,
+    monitor_dp_methods,
+    NULL
+};
+
 static int dp_get_account_info(DBusMessage *message, struct sbus_connection *conn);
 static int dp_pamhandler(DBusMessage *message, struct sbus_connection *conn);
 
-struct sbus_method dp_sbus_methods[] = {
+struct sbus_method dp_methods[] = {
     { DP_SRV_METHOD_GETACCTINFO, dp_get_account_info },
     { DP_SRV_METHOD_PAMHANDLER, dp_pamhandler },
     { NULL, NULL }
 };
 
+struct sbus_interface dp_interface = {
+    DATA_PROVIDER_INTERFACE,
+    DATA_PROVIDER_PATH,
+    SBUS_DEFAULT_VTABLE,
+    dp_methods,
+    NULL
+};
+
 struct dp_request {
     /* reply message to send when request is done */
     DBusMessage *reply;
@@ -195,7 +211,6 @@ static int service_res_init(DBusMessage *message, struct sbus_connection *conn)
 static int dp_monitor_init(struct dp_ctx *dpctx)
 {
     struct sbus_connection *conn;
-    struct sbus_method_ctx *sm_ctx;
     char *sbus_address;
     int ret;
 
@@ -206,14 +221,8 @@ static int dp_monitor_init(struct dp_ctx *dpctx)
         return ret;
     }
 
-    ret = monitor_init_sbus_methods(dpctx, mon_sbus_methods, &sm_ctx);
-    if (ret != EOK) {
-        DEBUG(0, ("Could not initialize SBUS methods.\n"));
-        return ret;
-    }
-
     ret = sbus_client_init(dpctx, dpctx->ev, sbus_address,
-                           sm_ctx, &conn,
+                           &monitor_dp_interface, &conn,
                            NULL, NULL);
     if (ret != EOK) {
         DEBUG(0, ("Failed to connect to monitor services.\n"));
@@ -990,59 +999,32 @@ static int dp_frontend_destructor(void *ctx)
  * Set up the monitor service as a D-BUS Server */
 static int dp_srv_init(struct dp_ctx *dpctx)
 {
-    TALLOC_CTX *tmp_ctx;
-    struct sbus_method_ctx *sd_ctx;
     char *dpbus_address;
     char *default_dp_address;
     int ret;
 
-    tmp_ctx = talloc_new(dpctx);
-    if (tmp_ctx == NULL) {
-        return ENOMEM;
-    }
-
     DEBUG(3, ("Initializing Data Provider D-BUS Server\n"));
-    default_dp_address = talloc_asprintf(tmp_ctx, "unix:path=%s/%s",
+    default_dp_address = talloc_asprintf(dpctx, "unix:path=%s/%s",
                                          PIPE_PATH, DATA_PROVIDER_PIPE);
     if (default_dp_address == NULL) {
         ret = ENOMEM;
         goto done;
     }
 
-    ret = confdb_get_string(dpctx->cdb, tmp_ctx,
+    ret = confdb_get_string(dpctx->cdb, dpctx,
                             DP_CONF_ENTRY, "dpbusAddress",
                             default_dp_address, &dpbus_address);
     if (ret != EOK) goto done;
 
-    sd_ctx = talloc_zero(tmp_ctx, struct sbus_method_ctx);
-    if (!sd_ctx) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    /* Set up globally-available D-BUS methods */
-    sd_ctx->interface = talloc_strdup(sd_ctx, DATA_PROVIDER_INTERFACE);
-    if (!sd_ctx->interface) {
-        ret = ENOMEM;
-        goto done;
-    }
-    sd_ctx->path = talloc_strdup(sd_ctx, DATA_PROVIDER_PATH);
-    if (!sd_ctx->path) {
-        ret = ENOMEM;
-        goto done;
-    }
-    sd_ctx->methods = dp_sbus_methods;
-    sd_ctx->message_handler = sbus_message_handler;
-
-    ret = sbus_new_server(dpctx, dpctx->ev, dpbus_address, sd_ctx,
-                          &dpctx->sbus_srv, dbus_dp_init, dpctx);
+    ret = sbus_new_server(dpctx, dpctx->ev, dpbus_address,
+                          &dp_interface, &dpctx->sbus_srv,
+                          dbus_dp_init, dpctx);
     if (ret != EOK) {
         goto done;
     }
-    talloc_steal(dpctx, sd_ctx);
 
 done:
-    talloc_free(tmp_ctx);
+    talloc_free(default_dp_address);
     return ret;
 }
 
diff --git a/server/providers/data_provider_be.c b/server/providers/data_provider_be.c
index ecd20ad92..872c9d769 100644
--- a/server/providers/data_provider_be.c
+++ b/server/providers/data_provider_be.c
@@ -58,13 +58,21 @@ static int service_identity(DBusMessage *message, struct sbus_connection *conn);
 static int service_pong(DBusMessage *message, struct sbus_connection *conn);
 static int service_res_init(DBusMessage *message, struct sbus_connection *conn);
 
-struct sbus_method mon_sbus_methods[] = {
-    { SERVICE_METHOD_IDENTITY, service_identity },
-    { SERVICE_METHOD_PING, service_pong },
-    { SERVICE_METHOD_RES_INIT, service_res_init },
+struct sbus_method monitor_be_methods[] = {
+    { MON_CLI_METHOD_IDENTITY, service_identity },
+    { MON_CLI_METHOD_PING, service_pong },
+    { MON_CLI_METHOD_RES_INIT, service_res_init },
     { NULL, NULL }
 };
 
+struct sbus_interface monitor_be_interface = {
+    MONITOR_INTERFACE,
+    MONITOR_PATH,
+    SBUS_DEFAULT_VTABLE,
+    monitor_be_methods,
+    NULL
+};
+
 static int be_identity(DBusMessage *message, struct sbus_connection *conn);
 static int be_check_online(DBusMessage *message, struct sbus_connection *conn);
 static int be_get_account_info(DBusMessage *message, struct sbus_connection *conn);
@@ -78,6 +86,14 @@ struct sbus_method be_methods[] = {
     { NULL, NULL }
 };
 
+struct sbus_interface be_interface = {
+    DATA_PROVIDER_INTERFACE,
+    DATA_PROVIDER_PATH,
+    SBUS_DEFAULT_VTABLE,
+    be_methods,
+    NULL
+};
+
 static struct bet_data bet_data[] = {
     {BET_NULL, NULL, NULL},
     {BET_ID, "provider", "sssm_%s_init"},
@@ -681,20 +697,8 @@ static int mon_cli_init(struct be_ctx *ctx)
         return ret;
     }
 
-    ret = monitor_init_sbus_methods(ctx, mon_sbus_methods, &ctx->mon_sm_ctx);
-    if (ret != EOK) {
-        DEBUG(0, ("Could not initialize SBUS methods.\n"));
-        return ret;
-    }
-
-    /* FIXME: remove this */
-    if (talloc_reference(ctx, ctx->mon_sm_ctx) == NULL) {
-        DEBUG(0, ("Failed to take memory reference\n"));
-        return ENOMEM;
-    }
-
     ret = sbus_client_init(ctx, ctx->ev, sbus_address,
-                           ctx->mon_sm_ctx, &ctx->mon_conn,
+                           &monitor_be_interface, &ctx->mon_conn,
                            NULL, ctx);
     if (ret != EOK) {
         DEBUG(0, ("Failed to connect to monitor services.\n"));
@@ -720,14 +724,8 @@ static int be_cli_init(struct be_ctx *ctx)
         return ret;
     }
 
-    ret = dp_init_sbus_methods(ctx, be_methods, &ctx->dp_sm_ctx);
-    if (ret != EOK) {
-        DEBUG(0, ("Could not initialize SBUS methods.\n"));
-        return ret;
-    }
-
     ret = sbus_client_init(ctx, ctx->ev, sbus_address,
-                           ctx->dp_sm_ctx, &ctx->dp_conn,
+                           &be_interface, &ctx->dp_conn,
                            NULL, ctx);
     if (ret != EOK) {
         DEBUG(0, ("Failed to connect to monitor services.\n"));
@@ -758,19 +756,6 @@ static void be_cli_reconnect_init(struct sbus_connection *conn, int status, void
 
     /* Did we reconnect successfully? */
     if (status == SBUS_RECONNECT_SUCCESS) {
-        /* Add the methods back to the new connection */
-        ret = sbus_conn_add_method_ctx(be_ctx->dp_conn,
-                                       be_ctx->dp_sm_ctx);
-        if (ret != EOK) {
-            DEBUG(0, ("Could not re-add methods on reconnection.\n"));
-            ret = be_finalize(be_ctx);
-            if (ret != EOK) {
-                DEBUG(0, ("Finalizing back-end failed with error [%d] [%s]", ret, strerror(ret)));
-                be_shutdown(NULL, ret, NULL);
-            }
-            return;
-        }
-
         DEBUG(1, ("Reconnected to the Data Provider.\n"));
         return;
     }
diff --git a/server/providers/dp_backend.h b/server/providers/dp_backend.h
index f05a54204..987e53653 100644
--- a/server/providers/dp_backend.h
+++ b/server/providers/dp_backend.h
@@ -70,10 +70,7 @@ struct be_ctx {
     const char *identity;
     const char *conf_path;
 
-    struct sbus_method_ctx *mon_sm_ctx;
     struct sbus_connection *mon_conn;
-
-    struct sbus_method_ctx *dp_sm_ctx;
     struct sbus_connection *dp_conn;
 
     struct loaded_be loaded_be[BET_MAX];
diff --git a/server/providers/dp_sbus.c b/server/providers/dp_sbus.c
index 22be6c843..f34822d5a 100644
--- a/server/providers/dp_sbus.c
+++ b/server/providers/dp_sbus.c
@@ -57,44 +57,3 @@ done:
     return ret;
 }
 
-int dp_init_sbus_methods(TALLOC_CTX *mem_ctx, struct sbus_method *methods,
-                              struct sbus_method_ctx **sm_ctx)
-{
-    int ret;
-    TALLOC_CTX *tmp_ctx;
-    struct sbus_method_ctx *method_ctx;
-
-    tmp_ctx = talloc_new(mem_ctx);
-    if (tmp_ctx == NULL) {
-        return ENOMEM;
-    }
-
-    method_ctx = talloc_zero(tmp_ctx, struct sbus_method_ctx);
-    if (method_ctx == NULL) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    method_ctx->interface = talloc_strdup(method_ctx, DATA_PROVIDER_INTERFACE);
-    if (method_ctx->interface == NULL) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    method_ctx->path = talloc_strdup(method_ctx, DATA_PROVIDER_PATH);
-    if (method_ctx->path == NULL) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    method_ctx->methods = methods;
-    method_ctx->message_handler = sbus_message_handler;
-
-    *sm_ctx = method_ctx;
-    talloc_steal(mem_ctx, method_ctx);
-    ret = EOK;
-
-done:
-    talloc_free(tmp_ctx);
-    return ret;
-}
diff --git a/server/providers/dp_sbus.h b/server/providers/dp_sbus.h
index f21001f93..f3f542239 100644
--- a/server/providers/dp_sbus.h
+++ b/server/providers/dp_sbus.h
@@ -24,7 +24,5 @@
 
 int dp_get_sbus_address(TALLOC_CTX *mem_ctx, struct confdb_ctx *confdb,
                         char **address);
-int dp_init_sbus_methods(TALLOC_CTX *mem_ctx, struct sbus_method *methods,
-                         struct sbus_method_ctx **sm_ctx);
 
 #endif /* DP_SBUS_H_ */
diff --git a/server/responder/common/responder.h b/server/responder/common/responder.h
index 5bde42acf..0f0908317 100644
--- a/server/responder/common/responder.h
+++ b/server/responder/common/responder.h
@@ -64,16 +64,14 @@ struct resp_ctx {
     const char *sock_name;
     const char *priv_sock_name;
 
-    struct sbus_connection *conn;
-    struct sbus_method_ctx *sm_ctx;
+    struct sbus_connection *mon_conn;
+    struct sbus_connection *dp_conn;
 
     struct sss_domain_info *domains;
 
-    struct sbus_method *sss_sbus_methods;
     struct sss_cmd_table *sss_cmds;
     const char *sss_pipe_name;
     const char *confdb_service_path;
-    struct sbus_method *dp_methods;
 
     struct sss_names_ctx *names;
 
@@ -100,12 +98,12 @@ struct sss_cmd_table {
 int sss_process_init(TALLOC_CTX *mem_ctx,
                      struct tevent_context *ev,
                      struct confdb_ctx *cdb,
-                     struct sbus_method sss_sbus_methods[],
                      struct sss_cmd_table sss_cmds[],
                      const char *sss_pipe_name,
                      const char *sss_priv_pipe_name,
                      const char *confdb_service_path,
-                     struct sbus_method dp_methods[],
+                     struct sbus_interface *dp_intf,
+                     struct sbus_interface *monitor_intf,
                      struct resp_ctx **responder_ctx);
 
 int sss_parse_name(TALLOC_CTX *memctx,
@@ -119,7 +117,7 @@ int sss_cmd_get_version(struct cli_ctx *cctx);
 struct cli_protocol_version *register_cli_protocol_version(void);
 
 /* responder_dp.c */
-int sss_dp_init(struct resp_ctx *rctx, struct sbus_method dp_methods[]);
+int sss_dp_init(struct resp_ctx *rctx, struct sbus_interface *intf);
 
 #define NSS_DP_USER 1
 #define NSS_DP_GROUP 2
diff --git a/server/responder/common/responder_common.c b/server/responder/common/responder_common.c
index c8e5d8181..f3df7c65c 100644
--- a/server/responder/common/responder_common.c
+++ b/server/responder/common/responder_common.c
@@ -285,7 +285,8 @@ static void accept_fd_handler(struct tevent_context *ev,
     return;
 }
 
-static int sss_sbus_init(struct resp_ctx *rctx)
+static int sss_monitor_init(struct resp_ctx *rctx,
+                            struct sbus_interface *intf)
 {
     char *sbus_address;
     int ret;
@@ -297,21 +298,8 @@ static int sss_sbus_init(struct resp_ctx *rctx)
         return ret;
     }
 
-    ret = monitor_init_sbus_methods(rctx, rctx->sss_sbus_methods,
-                                    &rctx->sm_ctx);
-    if (ret != EOK) {
-        DEBUG(0, ("Could not initialize SBUS methods.\n"));
-        return ret;
-    }
-
-    /* FIXME: remove this */
-    if (talloc_reference(rctx, rctx->sm_ctx) == NULL) {
-        DEBUG(0, ("Failed to take memory reference\n"));
-        return ENOMEM;
-    }
-
     ret = sbus_client_init(rctx, rctx->ev, sbus_address,
-                           rctx->sm_ctx, &rctx->conn,
+                           intf, &rctx->mon_conn,
                            NULL, NULL);
     if (ret != EOK) {
         DEBUG(0, ("Failed to connect to monitor services.\n"));
@@ -455,12 +443,12 @@ failed:
 int sss_process_init(TALLOC_CTX *mem_ctx,
                      struct tevent_context *ev,
                      struct confdb_ctx *cdb,
-                     struct sbus_method sss_sbus_methods[],
                      struct sss_cmd_table sss_cmds[],
                      const char *sss_pipe_name,
                      const char *sss_priv_pipe_name,
                      const char *confdb_service_path,
-                     struct sbus_method dp_methods[],
+                     struct sbus_interface *dp_intf,
+                     struct sbus_interface *monitor_intf,
                      struct resp_ctx **responder_ctx)
 {
     struct resp_ctx *rctx;
@@ -473,12 +461,10 @@ int sss_process_init(TALLOC_CTX *mem_ctx,
     }
     rctx->ev = ev;
     rctx->cdb = cdb;
-    rctx->sss_sbus_methods = sss_sbus_methods;
     rctx->sss_cmds = sss_cmds;
     rctx->sock_name = sss_pipe_name;
     rctx->priv_sock_name = sss_priv_pipe_name;
     rctx->confdb_service_path = confdb_service_path;
-    rctx->dp_methods = dp_methods;
 
     ret = confdb_get_domains(rctx->cdb, rctx, &rctx->domains);
     if (ret != EOK) {
@@ -486,18 +472,18 @@ int sss_process_init(TALLOC_CTX *mem_ctx,
         return ret;
     }
 
-    ret = sss_sbus_init(rctx);
+    ret = sss_monitor_init(rctx, monitor_intf);
     if (ret != EOK) {
         DEBUG(0, ("fatal error setting up message bus\n"));
         return ret;
     }
 
-    ret = sss_dp_init(rctx, rctx->dp_methods);
+    ret = sss_dp_init(rctx, dp_intf);
     if (ret != EOK) {
         DEBUG(0, ("fatal error setting up backend connector\n"));
         return ret;
     }
-    else if (!rctx->conn) {
+    else if (!rctx->dp_conn) {
         DEBUG(0, ("Data Provider is not yet available. Retrying.\n"));
         return EIO;
     }
diff --git a/server/responder/common/responder_dp.c b/server/responder/common/responder_dp.c
index 547cb2729..dc810fd99 100644
--- a/server/responder/common/responder_dp.c
+++ b/server/responder/common/responder_dp.c
@@ -10,7 +10,7 @@
 
 struct sss_dp_pvt_ctx {
     struct resp_ctx *rctx;
-    struct sbus_method *methods;
+    struct sbus_interface *intf;
     time_t last_retry;
     int retries;
 };
@@ -49,20 +49,8 @@ static void sss_dp_conn_reconnect(struct sss_dp_pvt_ctx *pvt)
         return;
     }
 
-    ret = dp_init_sbus_methods(rctx, pvt->methods, &rctx->sm_ctx);
-    if (ret != EOK) {
-        DEBUG(0, ("Could not initialize SBUS methods.\n"));
-        return;
-    }
-
-    /* FIXME: remove this */
-    if (talloc_reference(rctx, rctx->sm_ctx) == NULL) {
-        DEBUG(0, ("Failed to take memory reference\n"));
-        return;
-    }
-
     ret = sbus_client_init(rctx, rctx->ev, sbus_address,
-                           rctx->sm_ctx, &rctx->conn,
+                           pvt->intf, &rctx->dp_conn,
                            sss_dp_conn_destructor, pvt);
     if (ret != EOK) {
         DEBUG(4, ("Failed to reconnect [%d(%s)]!\n", ret, strerror(ret)));
@@ -109,7 +97,7 @@ int sss_dp_conn_destructor(void *data)
     return 0;
 }
 
-int sss_dp_init(struct resp_ctx *rctx, struct sbus_method *dp_methods)
+int sss_dp_init(struct resp_ctx *rctx, struct sbus_interface *dp_intf)
 {
     struct sss_dp_pvt_ctx *pvt;
 
@@ -117,7 +105,7 @@ int sss_dp_init(struct resp_ctx *rctx, struct sbus_method *dp_methods)
     if (!pvt) return ENOMEM;
 
     pvt->rctx = rctx;
-    pvt->methods = dp_methods;
+    pvt->intf = dp_intf;
 
     sss_dp_conn_reconnect(pvt);
 
@@ -243,12 +231,12 @@ int nss_dp_send_acct_req(struct resp_ctx *rctx, TALLOC_CTX *memctx,
      * in some pathological cases it may happen that nss starts up before
      * dp connection code is actually able to establish a connection.
      */
-    if (!rctx->conn) {
+    if (!rctx->dp_conn) {
         DEBUG(1, ("The Data Provider connection is not available yet!"
                   " This maybe a bug, it shouldn't happen!\n"));
         return EIO;
     }
-    dbus_conn = sbus_get_connection(rctx->conn);
+    dbus_conn = sbus_get_connection(rctx->dp_conn);
 
     /* create the message */
     msg = dbus_message_new_method_call(NULL,
diff --git a/server/responder/nss/nsssrv.c b/server/responder/nss/nsssrv.c
index d104c7c8a..248d53843 100644
--- a/server/responder/nss/nsssrv.c
+++ b/server/responder/nss/nsssrv.c
@@ -57,12 +57,20 @@ static int service_pong(DBusMessage *message, struct sbus_connection *conn);
 static int service_reload(DBusMessage *message, struct sbus_connection *conn);
 static int service_res_init(DBusMessage *message, struct sbus_connection *conn);
 
-struct sbus_method nss_sbus_methods[] = {
-    {SERVICE_METHOD_IDENTITY, service_identity},
-    {SERVICE_METHOD_PING, service_pong},
-    {SERVICE_METHOD_RELOAD, service_reload},
-    {SERVICE_METHOD_RES_INIT, service_res_init},
-    {NULL, NULL}
+struct sbus_method monitor_nss_methods[] = {
+    { MON_CLI_METHOD_IDENTITY, service_identity },
+    { MON_CLI_METHOD_PING, service_pong },
+    { MON_CLI_METHOD_RELOAD, service_reload },
+    { MON_CLI_METHOD_RES_INIT, service_res_init },
+    { NULL, NULL }
+};
+
+struct sbus_interface monitor_nss_interface = {
+    MONITOR_INTERFACE,
+    MONITOR_PATH,
+    SBUS_DEFAULT_VTABLE,
+    monitor_nss_methods,
+    NULL
 };
 
 static int service_identity(DBusMessage *message, struct sbus_connection *conn)
@@ -252,19 +260,10 @@ static void nss_shutdown(struct resp_ctx *rctx)
 
 static void nss_dp_reconnect_init(struct sbus_connection *conn, int status, void *pvt)
 {
-    int ret;
     struct resp_ctx *rctx = talloc_get_type(pvt, struct resp_ctx);
 
     /* Did we reconnect successfully? */
     if (status == SBUS_RECONNECT_SUCCESS) {
-        /* Add the methods back to the new connection */
-        ret = sbus_conn_add_method_ctx(rctx->conn,
-                                       rctx->sm_ctx);
-        if (ret != EOK) {
-            DEBUG(0, ("Could not re-add methods on reconnection.\n"));
-            nss_shutdown(rctx);
-        }
-
         DEBUG(1, ("Reconnected to the Data Provider.\n"));
         return;
     }
@@ -280,7 +279,7 @@ int nss_process_init(TALLOC_CTX *mem_ctx,
                      struct tevent_context *ev,
                      struct confdb_ctx *cdb)
 {
-    struct sbus_method *nss_dp_methods;
+    struct sbus_interface *nss_dp_interface;
     struct sss_cmd_table *nss_cmds;
     struct nss_ctx *nctx;
     int ret, max_retries;
@@ -297,15 +296,15 @@ int nss_process_init(TALLOC_CTX *mem_ctx,
         return ret;
     }
 
-    nss_dp_methods = get_nss_dp_methods();
+    nss_dp_interface = get_nss_dp_interface();
     nss_cmds = get_nss_cmds();
 
     ret = sss_process_init(nctx, ev, cdb,
-                           nss_sbus_methods,
                            nss_cmds,
                            SSS_NSS_SOCKET_NAME, NULL,
                            NSS_SRV_CONFIG,
-                           nss_dp_methods,
+                           nss_dp_interface,
+                           &monitor_nss_interface,
                            &nctx->rctx);
     if (ret != EOK) {
         return ret;
@@ -327,7 +326,7 @@ int nss_process_init(TALLOC_CTX *mem_ctx,
         return ret;
     }
 
-    sbus_reconnect_init(nctx->rctx->conn,
+    sbus_reconnect_init(nctx->rctx->dp_conn,
                         max_retries,
                         nss_dp_reconnect_init, nctx->rctx);
 
diff --git a/server/responder/nss/nsssrv.h b/server/responder/nss/nsssrv.h
index cbbb9cc64..f79d056c3 100644
--- a/server/responder/nss/nsssrv.h
+++ b/server/responder/nss/nsssrv.h
@@ -68,7 +68,7 @@ struct nss_packet;
 int nss_cmd_execute(struct cli_ctx *cctx);
 
 /* from nsssrv_dp.c */
-struct sbus_method *get_nss_dp_methods(void);
+struct sbus_interface *get_nss_dp_interface(void);
 struct sss_cmd_table *get_nss_cmds(void);
 
 #endif /* __NSSSRV_H__ */
diff --git a/server/responder/nss/nsssrv_dp.c b/server/responder/nss/nsssrv_dp.c
index 7150a5942..92a2d4415 100644
--- a/server/responder/nss/nsssrv_dp.c
+++ b/server/responder/nss/nsssrv_dp.c
@@ -66,7 +66,15 @@ static struct sbus_method nss_dp_methods[] = {
     { NULL, NULL }
 };
 
-struct sbus_method *get_nss_dp_methods(void)
+struct sbus_interface nss_dp_interface = {
+    DATA_PROVIDER_INTERFACE,
+    DATA_PROVIDER_PATH,
+    SBUS_DEFAULT_VTABLE,
+    nss_dp_methods,
+    NULL
+};
+
+struct sbus_interface *get_nss_dp_interface(void)
 {
-    return nss_dp_methods;
+    return &nss_dp_interface;
 }
diff --git a/server/responder/pam/pamsrv.c b/server/responder/pam/pamsrv.c
index cd423714c..48286ecd2 100644
--- a/server/responder/pam/pamsrv.c
+++ b/server/responder/pam/pamsrv.c
@@ -60,12 +60,20 @@ static int service_pong(DBusMessage *message, struct sbus_connection *conn);
 static int service_reload(DBusMessage *message, struct sbus_connection *conn);
 static int service_res_init(DBusMessage *message, struct sbus_connection *conn);
 
-struct sbus_method sss_sbus_methods[] = {
-    {SERVICE_METHOD_IDENTITY, service_identity},
-    {SERVICE_METHOD_PING, service_pong},
-    {SERVICE_METHOD_RELOAD, service_reload},
-    {SERVICE_METHOD_RES_INIT, service_res_init},
-    {NULL, NULL}
+struct sbus_method monitor_pam_methods[] = {
+    { MON_CLI_METHOD_IDENTITY, service_identity },
+    { MON_CLI_METHOD_PING, service_pong },
+    { MON_CLI_METHOD_RELOAD, service_reload },
+    { MON_CLI_METHOD_RES_INIT, service_res_init },
+    { NULL, NULL }
+};
+
+struct sbus_interface monitor_pam_interface = {
+    MONITOR_INTERFACE,
+    MONITOR_PATH,
+    SBUS_DEFAULT_VTABLE,
+    monitor_pam_methods,
+    NULL
 };
 
 static int service_identity(DBusMessage *message, struct sbus_connection *conn)
@@ -142,19 +150,10 @@ static int service_reload(DBusMessage *message, struct sbus_connection *conn) {
 
 static void pam_dp_reconnect_init(struct sbus_connection *conn, int status, void *pvt)
 {
-    int ret;
     struct resp_ctx *rctx = talloc_get_type(pvt, struct resp_ctx);
 
     /* Did we reconnect successfully? */
     if (status == SBUS_RECONNECT_SUCCESS) {
-        /* Add the methods back to the new connection */
-        ret = sbus_conn_add_method_ctx(rctx->conn,
-                                       rctx->sm_ctx);
-        if (ret != EOK) {
-            DEBUG(0, ("Could not re-add methods on reconnection.\n"));
-            pam_shutdown(rctx);
-        }
-
         DEBUG(1, ("Reconnected to the Data Provider.\n"));
         return;
     }
@@ -190,7 +189,7 @@ static int pam_process_init(struct main_context *main_ctx,
         return ret;
     }
 
-    sbus_reconnect_init(rctx->conn, max_retries,
+    sbus_reconnect_init(rctx->dp_conn, max_retries,
                         pam_dp_reconnect_init, rctx);
 
     return EOK;
@@ -202,7 +201,7 @@ int main(int argc, const char *argv[])
     poptContext pc;
     struct main_context *main_ctx;
     int ret;
-    struct sbus_method *pam_dp_methods;
+    struct sbus_interface *pam_dp_interface;
     struct sss_cmd_table *sss_cmds;
     struct resp_ctx *rctx;
 
@@ -229,17 +228,17 @@ int main(int argc, const char *argv[])
     ret = server_setup("sssd[pam]", 0, PAM_SRV_CONFIG, &main_ctx);
     if (ret != EOK) return 2;
 
-    pam_dp_methods = register_pam_dp_methods();
+    pam_dp_interface = get_pam_dp_interface();
     sss_cmds = register_sss_cmds();
     ret = sss_process_init(main_ctx,
                            main_ctx->event_ctx,
                            main_ctx->confdb_ctx,
-                           sss_sbus_methods,
                            sss_cmds,
                            SSS_PAM_SOCKET_NAME,
                            SSS_PAM_PRIV_SOCKET_NAME,
                            PAM_SRV_CONFIG,
-                           pam_dp_methods,
+                           pam_dp_interface,
+                           &monitor_pam_interface,
                            &rctx);
     if (ret != EOK) return 3;
 
diff --git a/server/responder/pam/pamsrv.h b/server/responder/pam/pamsrv.h
index fa688fe16..1de1cee8d 100644
--- a/server/responder/pam/pamsrv.h
+++ b/server/responder/pam/pamsrv.h
@@ -22,7 +22,7 @@ struct pam_auth_req {
     void *data;
 };
 
-struct sbus_method *register_pam_dp_methods(void);
+struct sbus_interface *get_pam_dp_interface(void);
 struct sss_cmd_table *register_sss_cmds(void);
 
 int pam_dp_send_req(struct pam_auth_req *preq, int timeout);
diff --git a/server/responder/pam/pamsrv_dp.c b/server/responder/pam/pamsrv_dp.c
index c7a536e80..c0a286b22 100644
--- a/server/responder/pam/pamsrv_dp.c
+++ b/server/responder/pam/pamsrv_dp.c
@@ -92,12 +92,12 @@ int pam_dp_send_req(struct pam_auth_req *preq, int timeout)
      * in some pathological cases it may happen that nss starts up before
      * dp connection code is actually able to establish a connection.
      */
-    if (!preq->cctx->rctx->conn) {
+    if (!preq->cctx->rctx->dp_conn) {
         DEBUG(1, ("The Data Provider connection is not available yet!"
                   " This maybe a bug, it shouldn't happen!\n"));
         return EIO;
     }
-    dbus_conn = sbus_get_connection(preq->cctx->rctx->conn);
+    dbus_conn = sbus_get_connection(preq->cctx->rctx->dp_conn);
 
     msg = dbus_message_new_method_call(NULL,
                                        DP_CLI_PATH,
@@ -169,12 +169,20 @@ static int pam_dp_identity(DBusMessage *message, struct sbus_connection *conn)
     return EOK;
 }
 
-struct sbus_method *register_pam_dp_methods(void)
-{
-    static struct sbus_method pam_dp_methods[] = {
-            { DP_CLI_METHOD_IDENTITY, pam_dp_identity },
-            { NULL, NULL }
-    };
+static struct sbus_method pam_dp_methods[] = {
+        { DP_CLI_METHOD_IDENTITY, pam_dp_identity },
+        { NULL, NULL }
+};
+
+struct sbus_interface pam_dp_interface = {
+    DATA_PROVIDER_INTERFACE,
+    DATA_PROVIDER_PATH,
+    SBUS_DEFAULT_VTABLE,
+    pam_dp_methods,
+    NULL
+};
 
-    return pam_dp_methods;
+struct sbus_interface *get_pam_dp_interface(void)
+{
+    return &pam_dp_interface;
 }
diff --git a/server/sbus/sbus_client.c b/server/sbus/sbus_client.c
index 82021d6e2..df5c07120 100644
--- a/server/sbus/sbus_client.c
+++ b/server/sbus/sbus_client.c
@@ -26,7 +26,7 @@
 int sbus_client_init(TALLOC_CTX *mem_ctx,
                      struct tevent_context *ev,
                      const char *server_address,
-                     struct sbus_method_ctx *sm_ctx,
+                     struct sbus_interface *intf,
                      struct sbus_connection **_conn,
                      sbus_conn_destructor_fn destructor,
                      void *conn_pvt_data)
@@ -39,12 +39,7 @@ int sbus_client_init(TALLOC_CTX *mem_ctx,
         return EINVAL;
     }
 
-    ret = sbus_new_connection(mem_ctx, ev, server_address, &conn);
-    if (ret != EOK) {
-        goto fail;
-    }
-
-    ret = sbus_conn_add_method_ctx(conn, sm_ctx);
+    ret = sbus_new_connection(mem_ctx, ev, server_address, intf, &conn);
     if (ret != EOK) {
         goto fail;
     }
diff --git a/server/sbus/sbus_client.h b/server/sbus/sbus_client.h
index bce8f8218..742f8a10c 100644
--- a/server/sbus/sbus_client.h
+++ b/server/sbus/sbus_client.h
@@ -28,7 +28,7 @@
 int sbus_client_init(TALLOC_CTX *mem_ctx,
                      struct tevent_context *ev,
                      const char *server_address,
-                     struct sbus_method_ctx *sm_ctx,
+                     struct sbus_interface *intf,
                      struct sbus_connection **_conn,
                      sbus_conn_destructor_fn destructor,
                      void *conn_pvt_data);
diff --git a/server/sbus/sssd_dbus.h b/server/sbus/sssd_dbus.h
index 6487ced63..ac02c4440 100644
--- a/server/sbus/sssd_dbus.h
+++ b/server/sbus/sssd_dbus.h
@@ -59,15 +59,17 @@ enum {
 #define DBUS_INTROSPECT_INTERFACE "org.freedesktop.DBus.Introspectable"
 #define DBUS_INTROSPECT_METHOD "Introspect"
 
+#define SBUS_DEFAULT_VTABLE { NULL, sbus_message_handler, NULL, NULL, NULL, NULL }
+
 struct sbus_method {
     const char *method;
     sbus_msg_handler_fn fn;
 };
 
-struct sbus_method_ctx {
-    char *interface;
-    char *path;
-    DBusObjectPathMessageFunction message_handler;
+struct sbus_interface {
+    const char *interface;
+    const char *path;
+    DBusObjectPathVTable vtable;
     struct sbus_method *methods;
     sbus_msg_handler_fn introspect_fn;
 };
@@ -76,7 +78,7 @@ struct sbus_method_ctx {
 int sbus_new_server(TALLOC_CTX *mem_ctx,
                     struct tevent_context *ev,
                     const char *address,
-                    struct sbus_method_ctx *ctx,
+                    struct sbus_interface *intf,
                     struct sbus_connection **server,
                     sbus_server_conn_init_fn init_fn, void *init_pvt_data);
 
@@ -92,6 +94,7 @@ int sbus_new_server(TALLOC_CTX *mem_ctx,
 int sbus_new_connection(TALLOC_CTX *ctx,
                         struct tevent_context *ev,
                         const char *address,
+                        struct sbus_interface *intf,
                         struct sbus_connection **conn);
 
 /* sbus_add_connection
@@ -106,11 +109,12 @@ int sbus_new_connection(TALLOC_CTX *ctx,
  *     connections, including those retrieved from
  *     dbus_bus_get
  */
-int sbus_add_connection(TALLOC_CTX *ctx,
-                             struct tevent_context *ev,
-                             DBusConnection *dbus_conn,
-                             struct sbus_connection **conn,
-                             int connection_type);
+int sbus_init_connection(TALLOC_CTX *ctx,
+                         struct tevent_context *ev,
+                         DBusConnection *dbus_conn,
+                         struct sbus_interface *intf,
+                         int connection_type,
+                         struct sbus_connection **_conn);
 
 void sbus_conn_set_destructor(struct sbus_connection *conn,
                               sbus_conn_destructor_fn destructor);
@@ -121,8 +125,8 @@ DBusConnection *sbus_get_connection(struct sbus_connection *conn);
 void sbus_disconnect(struct sbus_connection *conn);
 void sbus_conn_set_private_data(struct sbus_connection *conn, void *pvt_data);
 void *sbus_conn_get_private_data(struct sbus_connection *conn);
-int sbus_conn_add_method_ctx(struct sbus_connection *conn,
-                             struct sbus_method_ctx *method_ctx);
+int sbus_conn_add_interface(struct sbus_connection *conn,
+                            struct sbus_interface *intf);
 bool sbus_conn_disconnecting(struct sbus_connection *conn);
 
 /* max_retries < 0: retry forever
diff --git a/server/sbus/sssd_dbus_connection.c b/server/sbus/sssd_dbus_connection.c
index f2435bfb9..ab414da05 100644
--- a/server/sbus/sssd_dbus_connection.c
+++ b/server/sbus/sssd_dbus_connection.c
@@ -7,14 +7,14 @@
 /* Types */
 struct dbus_ctx_list;
 
-struct method_holder {
-    struct method_holder *prev, *next;
+struct sbus_interface_p {
+    struct sbus_interface_p *prev, *next;
     struct sbus_connection *conn;
-    struct sbus_method_ctx *method_ctx;
-    DBusObjectPathVTable *dbus_vtable;
+    struct sbus_interface *intf;
 };
 
-static bool path_in_method_list(struct method_holder *list, const char *path);
+static bool path_in_interface_list(struct sbus_interface_p *list,
+                                   const char *path);
 static void sbus_unreg_object_paths(struct sbus_connection *conn);
 
 static int sbus_auto_reconnect(struct sbus_connection *conn);
@@ -56,8 +56,8 @@ static void sbus_dispatch(struct tevent_context *ev,
 
         DEBUG(0, ("Cannot start auto-reconnection.\n"));
         conn->reconnect_callback(conn,
-                                     SBUS_RECONNECT_ERROR,
-                                     conn->reconnect_pvt);
+                                 SBUS_RECONNECT_ERROR,
+                                 conn->reconnect_pvt);
         return;
     }
 
@@ -129,11 +129,12 @@ static int sbus_conn_set_fns(struct sbus_connection *conn);
  * Set up a D-BUS connection to use the libevents mainloop
  * for handling file descriptor and timed events
  */
-int sbus_add_connection(TALLOC_CTX *ctx,
-                        struct tevent_context *ev,
-                        DBusConnection *dbus_conn,
-                        struct sbus_connection **_conn,
-                        int connection_type)
+int sbus_init_connection(TALLOC_CTX *ctx,
+                         struct tevent_context *ev,
+                         DBusConnection *dbus_conn,
+                         struct sbus_interface *intf,
+                         int connection_type,
+                         struct sbus_connection **_conn)
 {
     struct sbus_connection *conn;
     int ret;
@@ -149,10 +150,16 @@ int sbus_add_connection(TALLOC_CTX *ctx,
     ret = sbus_conn_set_fns(conn);
     if (ret != EOK) {
         talloc_free(conn);
+        return ret;
     }
 
-    *_conn = conn;
+    ret = sbus_conn_add_interface(conn, intf);
+    if (ret != EOK) {
+        talloc_free(conn);
+        return ret;
+    }
 
+    *_conn = conn;
     return ret;
 }
 
@@ -208,9 +215,10 @@ static int sbus_conn_set_fns(struct sbus_connection *conn)
 }
 
 int sbus_new_connection(TALLOC_CTX *ctx, struct tevent_context *ev,
-                        const char *address,
-                        struct sbus_connection **conn)
+                        const char *address, struct sbus_interface *intf,
+                        struct sbus_connection **_conn)
 {
+    struct sbus_connection *conn;
     DBusConnection *dbus_conn;
     DBusError dbus_error;
     int ret;
@@ -226,17 +234,18 @@ int sbus_new_connection(TALLOC_CTX *ctx, struct tevent_context *ev,
         return EIO;
     }
 
-    ret = sbus_add_connection(ctx, ev, dbus_conn,
-                              conn, SBUS_CONN_TYPE_SHARED);
+    ret = sbus_init_connection(ctx, ev, dbus_conn, intf,
+                               SBUS_CONN_TYPE_SHARED, &conn);
     if (ret != EOK) {
         /* FIXME: release resources */
     }
 
     /* Store the address for later reconnection */
-    (*conn)->address = talloc_strdup((*conn), address);
+    conn->address = talloc_strdup(conn, address);
 
-    dbus_connection_set_exit_on_disconnect((*conn)->dbus.conn, FALSE);
+    dbus_connection_set_exit_on_disconnect(conn->dbus.conn, FALSE);
 
+    *_conn = conn;
     return ret;
 }
 
@@ -364,7 +373,7 @@ DBusHandlerResult sbus_message_handler(DBusConnection *dbus_conn,
                                          DBusMessage *message,
                                          void *user_data)
 {
-    struct method_holder *ctx;
+    struct sbus_interface_p *intf_p;
     const char *method;
     const char *path;
     const char *msg_interface;
@@ -375,7 +384,7 @@ DBusHandlerResult sbus_message_handler(DBusConnection *dbus_conn,
     if (!user_data) {
         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
     }
-    ctx = talloc_get_type(user_data, struct method_holder);
+    intf_p = talloc_get_type(user_data, struct sbus_interface_p);
 
     method = dbus_message_get_member(message);
     DEBUG(9, ("Received SBUS method [%s]\n", method));
@@ -386,18 +395,18 @@ DBusHandlerResult sbus_message_handler(DBusConnection *dbus_conn,
         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 
     /* Validate the D-BUS path */
-    if (strcmp(path, ctx->method_ctx->path) != 0)
+    if (strcmp(path, intf_p->intf->path) != 0)
         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 
     /* Validate the method interface */
-    if (strcmp(msg_interface, ctx->method_ctx->interface) == 0) {
+    if (strcmp(msg_interface, intf_p->intf->interface) == 0) {
         found = 0;
-        for (i = 0; ctx->method_ctx->methods[i].method != NULL; i++) {
-            if (strcmp(method, ctx->method_ctx->methods[i].method) == 0) {
+        for (i = 0; intf_p->intf->methods[i].method != NULL; i++) {
+            if (strcmp(method, intf_p->intf->methods[i].method) == 0) {
                 found = 1;
-                ret = ctx->method_ctx->methods[i].fn(message, ctx->conn);
+                ret = intf_p->intf->methods[i].fn(message, intf_p->conn);
                 if (ret != EOK) {
-                    return sbus_reply_internal_error(message, ctx->conn);
+                    return sbus_reply_internal_error(message, intf_p->conn);
                 }
                 break;
             }
@@ -407,7 +416,7 @@ DBusHandlerResult sbus_message_handler(DBusConnection *dbus_conn,
             /* Reply DBUS_ERROR_UNKNOWN_METHOD */
             DEBUG(1, ("No matching method found for %s.\n", method));
             reply = dbus_message_new_error(message, DBUS_ERROR_UNKNOWN_METHOD, NULL);
-            sbus_conn_send_reply(ctx->conn, reply);
+            sbus_conn_send_reply(intf_p->conn, reply);
             dbus_message_unref(reply);
         }
     }
@@ -418,13 +427,13 @@ DBusHandlerResult sbus_message_handler(DBusConnection *dbus_conn,
         if (strcmp(msg_interface, DBUS_INTROSPECT_INTERFACE) == 0 &&
             strcmp(method, DBUS_INTROSPECT_METHOD) == 0)
         {
-            if (ctx->method_ctx->introspect_fn) {
+            if (intf_p->intf->introspect_fn) {
                 /* If we have been asked for introspection data and we have
                  * an introspection function registered, user that.
                  */
-                ret = ctx->method_ctx->introspect_fn(message, ctx->conn);
+                ret = intf_p->intf->introspect_fn(message, intf_p->conn);
                 if (ret != EOK) {
-                    return sbus_reply_internal_error(message, ctx->conn);
+                    return sbus_reply_internal_error(message, intf_p->conn);
                 }
             }
         }
@@ -438,49 +447,35 @@ DBusHandlerResult sbus_message_handler(DBusConnection *dbus_conn,
 /* Adds a new D-BUS path message handler to the connection
  * Note: this must be a unique path.
  */
-int sbus_conn_add_method_ctx(struct sbus_connection *conn,
-                             struct sbus_method_ctx *method_ctx)
+int sbus_conn_add_interface(struct sbus_connection *conn,
+                             struct sbus_interface *intf)
 {
-    struct method_holder *mh;
+    struct sbus_interface_p *intf_p;
     dbus_bool_t dbret;
     const char *path;
 
-    if (!conn || !method_ctx || !method_ctx->message_handler) {
+    if (!conn || !intf || !intf->vtable.message_function) {
         return EINVAL;
     }
 
-    path = method_ctx->path;
+    path = intf->path;
 
-    if (path_in_method_list(conn->method_list, path)) {
+    if (path_in_interface_list(conn->intf_list, path)) {
         DEBUG(0, ("Cannot add method context with identical path.\n"));
         return EINVAL;
     }
 
-    mh = talloc_zero(conn, struct method_holder);
-    if (!mh) {
-        return ENOMEM;
-    }
-    mh->conn = conn;
-
-    /* Set up the vtable for the object path */
-    mh->dbus_vtable = talloc_zero(conn, DBusObjectPathVTable);
-    if (!mh->dbus_vtable) {
-        talloc_free(mh);
-        return ENOMEM;
-    }
-    mh->dbus_vtable->message_function = method_ctx->message_handler;
-
-    mh->method_ctx = talloc_reference(mh, method_ctx);
-    if (!mh->method_ctx) {
-        /* talloc_reference only fails on insufficient memory */
-        talloc_free(mh);
+    intf_p = talloc_zero(conn, struct sbus_interface_p);
+    if (!intf_p) {
         return ENOMEM;
     }
+    intf_p->conn = conn;
+    intf_p->intf = intf;
 
-    DLIST_ADD(conn->method_list, mh);
+    DLIST_ADD(conn->intf_list, intf_p);
 
     dbret = dbus_connection_register_object_path(conn->dbus.conn,
-                                                 path, mh->dbus_vtable, mh);
+                                                 path, &intf->vtable, intf_p);
     if (!dbret) {
         DEBUG(0, ("Could not register object path to the connection.\n"));
         return ENOMEM;
@@ -489,9 +484,10 @@ int sbus_conn_add_method_ctx(struct sbus_connection *conn,
     return EOK;
 }
 
-static bool path_in_method_list(struct method_holder *list, const char *path)
+static bool path_in_interface_list(struct sbus_interface_p *list,
+                                   const char *path)
 {
-    struct method_holder *iter;
+    struct sbus_interface_p *iter;
 
     if (!list || !path) {
         return false;
@@ -499,7 +495,7 @@ static bool path_in_method_list(struct method_holder *list, const char *path)
 
     iter = list;
     while (iter != NULL) {
-        if (strcmp(iter->method_ctx->path, path) == 0) {
+        if (strcmp(iter->intf->path, path) == 0) {
             return true;
         }
         iter = iter->next;
@@ -510,16 +506,12 @@ static bool path_in_method_list(struct method_holder *list, const char *path)
 
 static void sbus_unreg_object_paths(struct sbus_connection *conn)
 {
-    struct method_holder *iter = conn->method_list;
-    struct method_holder *purge;
+    struct sbus_interface_p *iter = conn->intf_list;
 
     while (iter != NULL) {
         dbus_connection_unregister_object_path(conn->dbus.conn,
-                                               iter->method_ctx->path);
-        DLIST_REMOVE(conn->method_list, iter);
-        purge = iter;
+                                               iter->intf->path);
         iter = iter->next;
-        talloc_free(purge);
     }
 }
 
@@ -538,7 +530,7 @@ static void sbus_reconnect(struct tevent_context *ev,
                            struct timeval tv, void *data)
 {
     struct sbus_connection *conn;
-    struct method_holder *mh;
+    struct sbus_interface_p *iter;
     DBusError dbus_error;
     dbus_bool_t dbret;
     int ret;
@@ -559,17 +551,18 @@ static void sbus_reconnect(struct tevent_context *ev,
         }
 
         /* Re-register object paths */
-        mh = conn->method_list;
-        while (mh) {
+        iter = conn->intf_list;
+        while (iter) {
             dbret = dbus_connection_register_object_path(conn->dbus.conn,
-                                                         mh->method_ctx->path,
-                                                         mh->dbus_vtable, mh);
+                                                         iter->intf->path,
+                                                         &iter->intf->vtable,
+                                                         iter);
             if (!dbret) {
                 DEBUG(0, ("Could not register object path.\n"));
                 dbus_connection_unref(conn->dbus.conn);
                 goto failed;
             }
-            mh = mh->next;
+            iter = iter->next;
         }
 
         /* Reset retries to 0 to resume dispatch processing */
diff --git a/server/sbus/sssd_dbus_private.h b/server/sbus/sssd_dbus_private.h
index 01eaf00d3..79cae2307 100644
--- a/server/sbus/sssd_dbus_private.h
+++ b/server/sbus/sssd_dbus_private.h
@@ -10,6 +10,8 @@ enum dbus_conn_type {
     SBUS_CONNECTION
 };
 
+struct sbus_interface_p;
+
 struct sbus_connection {
     struct tevent_context *ev;
 
@@ -24,7 +26,7 @@ struct sbus_connection {
     void *pvt_data; /* Private data for this connection */
 
     /* dbus tables and handlers */
-    struct method_holder *method_list;
+    struct sbus_interface_p *intf_list;
 
     /* reconnect settings */
     int retries;
@@ -34,7 +36,7 @@ struct sbus_connection {
     void *reconnect_pvt;
 
     /* server related stuff */
-    struct sbus_method_ctx *server_method;
+    struct sbus_interface *server_intf;
     sbus_server_conn_init_fn srv_init_fn;
     void *srv_init_data;
 };
diff --git a/server/sbus/sssd_dbus_server.c b/server/sbus/sssd_dbus_server.c
index 8a123d6dd..ef2de106d 100644
--- a/server/sbus/sssd_dbus_server.c
+++ b/server/sbus/sssd_dbus_server.c
@@ -49,8 +49,9 @@ static void sbus_server_init_new_connection(DBusServer *dbus_server,
     }
 
     DEBUG(5,("Adding connection %lX.\n", conn));
-    ret = sbus_add_connection(server, server->ev, dbus_conn,
-                              &conn, SBUS_CONN_TYPE_PRIVATE);
+    ret = sbus_init_connection(server, server->ev,
+                               dbus_conn, server->server_intf,
+                               SBUS_CONN_TYPE_PRIVATE, &conn);
     if (ret != 0) {
         dbus_connection_close(dbus_conn);
         DEBUG(5,("Closing connection (failed setup)"));
@@ -61,8 +62,6 @@ static void sbus_server_init_new_connection(DBusServer *dbus_server,
 
     DEBUG(5,("Got a connection\n"));
 
-    sbus_conn_add_method_ctx(conn, server->server_method);
-
     /*
      * Initialize connection-specific features
      * This may set a more detailed destructor, but
@@ -87,7 +86,7 @@ static void sbus_server_init_new_connection(DBusServer *dbus_server,
 int sbus_new_server(TALLOC_CTX *mem_ctx,
                     struct tevent_context *ev,
                     const char *address,
-                    struct sbus_method_ctx *method,
+                    struct sbus_interface *intf,
                     struct sbus_connection **_server,
                     sbus_server_conn_init_fn init_fn, void *init_pvt_data)
 {
@@ -121,7 +120,7 @@ int sbus_new_server(TALLOC_CTX *mem_ctx,
     server->ev = ev;
     server->type = SBUS_SERVER;
     server->dbus.server = dbus_server;
-    server->server_method = method;
+    server->server_intf = intf;
     server->srv_init_fn = init_fn;
     server->srv_init_data = init_pvt_data;