DP: Add internal DP interface to set domain state

Adds functions to the interface Data Provider publishes towards back
ends that allows the back ends to notify responders that a domain has
been enabled or disabled.

Reviewed-by: Pavel Březina <pbrezina@redhat.com>

3 files changed, 99 insertions, 0 deletions

diff --git a/Makefile.am b/Makefile.am
index aa28a27f9..5cf496002 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1464,6 +1464,7 @@ sssd_be_SOURCES = \
     src/providers/data_provider/dp_iface_backend.c \
     src/providers/data_provider/dp_iface_failover.c \
     src/providers/data_provider/dp_client.c \
+    src/providers/data_provider/dp_resp_client.c \
     src/providers/data_provider/dp_iface_generated.c \
     src/providers/data_provider/dp_request.c \
     src/providers/data_provider/dp_request_reply.c \
diff --git a/src/providers/data_provider/dp.h b/src/providers/data_provider/dp.h
index 5b36baf34..68db75521 100644
--- a/src/providers/data_provider/dp.h
+++ b/src/providers/data_provider/dp.h
@@ -161,4 +161,9 @@ bool dp_method_enabled(struct data_provider *provider,
 void dp_terminate_domain_requests(struct data_provider *provider,
                                   const char *domain);
 
+void dp_sbus_domain_active(struct data_provider *provider,
+                           struct sss_domain_info *dom);
+void dp_sbus_domain_inconsistent(struct data_provider *provider,
+                                 struct sss_domain_info *dom);
+
 #endif /* _DP_H_ */
diff --git a/src/providers/data_provider/dp_resp_client.c b/src/providers/data_provider/dp_resp_client.c
new file mode 100644
index 000000000..3d386eac1
--- /dev/null
+++ b/src/providers/data_provider/dp_resp_client.c
@@ -0,0 +1,93 @@
+/*
+   SSSD
+
+   Data Provider Responder client - DP calls responder interface
+
+   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/>.
+*/
+
+#include "config.h"
+#include <talloc.h>
+#include <tevent.h>
+
+#include "confdb/confdb.h"
+#include "sbus/sssd_dbus.h"
+#include "providers/data_provider.h"
+#include "providers/data_provider/dp_private.h"
+#include "responder/common/iface/responder_iface.h"
+#include "src/responder/nss/nss_iface.h"
+
+static void send_msg_to_all_clients(struct data_provider *provider,
+                                    struct DBusMessage *msg)
+{
+    struct dp_client *cli;
+    int i;
+
+    for (i = 0; provider->clients[i] != NULL; i++) {
+        cli = provider->clients[i];
+        if (cli != NULL) {
+           sbus_conn_send_reply(dp_client_conn(cli), msg);
+        }
+    }
+}
+
+static void dp_sbus_set_domain_state(struct data_provider *provider,
+                                     struct sss_domain_info *dom,
+                                     enum sss_domain_state state)
+{
+    DBusMessage *msg;
+    const char *method = NULL;
+
+    switch (state) {
+    case DOM_ACTIVE:
+        DEBUG(SSSDBG_TRACE_FUNC, "Ordering responders to enable domain %s\n",
+              dom->name);
+        method = IFACE_RESPONDER_DOMAIN_SETACTIVE;
+        break;
+    case DOM_INCONSISTENT:
+        DEBUG(SSSDBG_TRACE_FUNC, "Ordering responders to disable domain %s\n",
+              dom->name);
+        method = IFACE_RESPONDER_DOMAIN_SETINCONSISTENT;
+        break;
+    default:
+        /* No other methods provided at the moment */
+        return;
+    }
+
+    sss_domain_set_state(dom, state);
+
+    msg = sbus_create_message(NULL, NULL, RESPONDER_PATH,
+                              IFACE_RESPONDER_DOMAIN, method,
+                              DBUS_TYPE_STRING, &dom->name);
+    if (msg == NULL) {
+        DEBUG(SSSDBG_CRIT_FAILURE, "Out of memory?!\n");
+        return;
+    }
+
+    send_msg_to_all_clients(provider, msg);
+    dbus_message_unref(msg);
+    return;
+}
+
+void dp_sbus_domain_active(struct data_provider *provider,
+                           struct sss_domain_info *dom)
+{
+    return dp_sbus_set_domain_state(provider, dom, DOM_ACTIVE);
+}
+
+void dp_sbus_domain_inconsistent(struct data_provider *provider,
+                                 struct sss_domain_info *dom)
+{
+    return dp_sbus_set_domain_state(provider, dom, DOM_INCONSISTENT);
+}