DP: Add org.freedesktop.sssd.DataProvider.Backend

Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>

6 files changed, 141 insertions, 0 deletions

diff --git a/src/providers/data_provider/dp_iface.c b/src/providers/data_provider/dp_iface.c
index 6a6ca6769..7bd740ad6 100644
--- a/src/providers/data_provider/dp_iface.c
+++ b/src/providers/data_provider/dp_iface.c
@@ -36,8 +36,14 @@ struct iface_dp iface_dp = {
     .getAccountInfo = dp_get_account_info_handler
 };
 
+struct iface_dp_backend iface_dp_backend = {
+    {&iface_dp_backend_meta, 0},
+    .IsOnline = dp_backend_is_online
+};
+
 static struct sbus_iface_map dp_map[] = {
     { DP_PATH, &iface_dp.vtable },
+    { DP_PATH, &iface_dp_backend.vtable },
     { NULL, NULL }
 };
 
diff --git a/src/providers/data_provider/dp_iface.h b/src/providers/data_provider/dp_iface.h
index eeef220e3..8354b1d3a 100644
--- a/src/providers/data_provider/dp_iface.h
+++ b/src/providers/data_provider/dp_iface.h
@@ -59,4 +59,9 @@ errno_t dp_subdomains_handler(struct sbus_request *sbus_req,
                               void *dp_cli,
                               const char *domain_hint);
 
+/* org.freedesktop.sssd.DataProvider.Backend */
+errno_t dp_backend_is_online(struct sbus_request *sbus_req,
+                             void *dp_cli,
+                             const char *domain);
+
 #endif /* DP_IFACE_H_ */
diff --git a/src/providers/data_provider/dp_iface.xml b/src/providers/data_provider/dp_iface.xml
index f508968c8..da16eb639 100644
--- a/src/providers/data_provider/dp_iface.xml
+++ b/src/providers/data_provider/dp_iface.xml
@@ -8,6 +8,14 @@
         </method>
     </interface>
 
+    <interface name="org.freedesktop.sssd.DataProvider.Backend">
+        <annotation value="iface_dp_backend" name="org.freedesktop.DBus.GLib.CSymbol"/>
+        <method name="IsOnline">
+            <arg name="domain_name" type="s" direction="in" />
+            <arg name="status" type="b" direction="out" />
+        </method>
+    </interface>
+
     <interface name="org.freedesktop.sssd.dataprovider">
         <annotation value="iface_dp" name="org.freedesktop.DBus.GLib.CSymbol"/>
         <method name="pamHandler">
diff --git a/src/providers/data_provider/dp_iface_backend.c b/src/providers/data_provider/dp_iface_backend.c
new file mode 100644
index 000000000..f4af35ed6
--- /dev/null
+++ b/src/providers/data_provider/dp_iface_backend.c
@@ -0,0 +1,65 @@
+/*
+    Authors:
+        Pavel Březina <pbrezina@redhat.com>
+
+    Copyright (C) 2016 Red Hat
+
+    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 <talloc.h>
+#include <tevent.h>
+
+#include "sbus/sssd_dbus.h"
+#include "sbus/sssd_dbus_errors.h"
+#include "providers/data_provider/dp_private.h"
+#include "providers/data_provider/dp_iface.h"
+#include "providers/backend.h"
+#include "util/util.h"
+
+errno_t dp_backend_is_online(struct sbus_request *sbus_req,
+                             void *dp_cli,
+                             const char *domname)
+{
+    struct be_ctx *be_ctx;
+    struct sss_domain_info *domain;
+    DBusError *error;
+    bool online;
+
+    be_ctx = dp_client_be(dp_cli);
+
+    if (SBUS_IS_STRING_EMPTY(domname)) {
+        domain = be_ctx->domain;
+    } else {
+        domain = find_domain_by_name(be_ctx->domain, domname, false);
+        if (domain == NULL) {
+            error = sbus_error_new(sbus_req, SBUS_ERROR_UNKNOWN_DOMAIN,
+                                   "Unknown domain %s", domname);
+            if (error == NULL) {
+                return ENOMEM;
+            }
+
+            return sbus_request_fail_and_finish(sbus_req, error);
+        }
+    }
+
+    if (domain == be_ctx->domain) {
+        online = be_is_offline(be_ctx) == false;
+    } else {
+        online = domain->state == DOM_ACTIVE;
+    }
+
+    iface_dp_backend_IsOnline_finish(sbus_req, online);
+    return EOK;
+}
diff --git a/src/providers/data_provider/dp_iface_generated.c b/src/providers/data_provider/dp_iface_generated.c
index 7fee5326d..388aa39d2 100644
--- a/src/providers/data_provider/dp_iface_generated.c
+++ b/src/providers/data_provider/dp_iface_generated.c
@@ -51,6 +51,47 @@ const struct sbus_interface_meta iface_dp_client_meta = {
     sbus_invoke_get_all, /* GetAll invoker */
 };
 
+/* arguments for org.freedesktop.sssd.DataProvider.Backend.IsOnline */
+const struct sbus_arg_meta iface_dp_backend_IsOnline__in[] = {
+    { "domain_name", "s" },
+    { NULL, }
+};
+
+/* arguments for org.freedesktop.sssd.DataProvider.Backend.IsOnline */
+const struct sbus_arg_meta iface_dp_backend_IsOnline__out[] = {
+    { "status", "b" },
+    { NULL, }
+};
+
+int iface_dp_backend_IsOnline_finish(struct sbus_request *req, bool arg_status)
+{
+    dbus_bool_t cast_status = arg_status;
+   return sbus_request_return_and_finish(req,
+                                         DBUS_TYPE_BOOLEAN, &cast_status,
+                                         DBUS_TYPE_INVALID);
+}
+
+/* methods for org.freedesktop.sssd.DataProvider.Backend */
+const struct sbus_method_meta iface_dp_backend__methods[] = {
+    {
+        "IsOnline", /* name */
+        iface_dp_backend_IsOnline__in,
+        iface_dp_backend_IsOnline__out,
+        offsetof(struct iface_dp_backend, IsOnline),
+        invoke_s_method,
+    },
+    { NULL, }
+};
+
+/* interface info for org.freedesktop.sssd.DataProvider.Backend */
+const struct sbus_interface_meta iface_dp_backend_meta = {
+    "org.freedesktop.sssd.DataProvider.Backend", /* name */
+    iface_dp_backend__methods,
+    NULL, /* no signals */
+    NULL, /* no properties */
+    sbus_invoke_get_all, /* GetAll invoker */
+};
+
 /* arguments for org.freedesktop.sssd.dataprovider.autofsHandler */
 const struct sbus_arg_meta iface_dp_autofsHandler__in[] = {
     { "dp_flags", "u" },
diff --git a/src/providers/data_provider/dp_iface_generated.h b/src/providers/data_provider/dp_iface_generated.h
index f1bcf17d0..28b018354 100644
--- a/src/providers/data_provider/dp_iface_generated.h
+++ b/src/providers/data_provider/dp_iface_generated.h
@@ -15,6 +15,10 @@
 #define IFACE_DP_CLIENT "org.freedesktop.sssd.DataProvider.Client"
 #define IFACE_DP_CLIENT_REGISTER "Register"
 
+/* constants for org.freedesktop.sssd.DataProvider.Backend */
+#define IFACE_DP_BACKEND "org.freedesktop.sssd.DataProvider.Backend"
+#define IFACE_DP_BACKEND_ISONLINE "IsOnline"
+
 /* constants for org.freedesktop.sssd.dataprovider */
 #define IFACE_DP "org.freedesktop.sssd.dataprovider"
 #define IFACE_DP_PAMHANDLER "pamHandler"
@@ -51,6 +55,15 @@ struct iface_dp_client {
 /* finish function for Register */
 int iface_dp_client_Register_finish(struct sbus_request *req);
 
+/* vtable for org.freedesktop.sssd.DataProvider.Backend */
+struct iface_dp_backend {
+    struct sbus_vtable vtable; /* derive from sbus_vtable */
+    int (*IsOnline)(struct sbus_request *req, void *data, const char *arg_domain_name);
+};
+
+/* finish function for IsOnline */
+int iface_dp_backend_IsOnline_finish(struct sbus_request *req, bool arg_status);
+
 /* vtable for org.freedesktop.sssd.dataprovider */
 struct iface_dp {
     struct sbus_vtable vtable; /* derive from sbus_vtable */
@@ -87,6 +100,9 @@ int iface_dp_getAccountInfo_finish(struct sbus_request *req, uint16_t arg_dp_err
 /* interface info for org.freedesktop.sssd.DataProvider.Client */
 extern const struct sbus_interface_meta iface_dp_client_meta;
 
+/* interface info for org.freedesktop.sssd.DataProvider.Backend */
+extern const struct sbus_interface_meta iface_dp_backend_meta;
+
 /* interface info for org.freedesktop.sssd.dataprovider */
 extern const struct sbus_interface_meta iface_dp_meta;