AUTOFS: Clear enum cache if a request comes in from the sss_cache

In order for sss_cache to work correctly, we must also signal the autofs
responder to invalidate the hash table requests.

3 files changed, 31 insertions, 0 deletions

diff --git a/src/monitor/monitor.c b/src/monitor/monitor.c
index cc6f6d55..1fa1592a 100644
--- a/src/monitor/monitor.c
+++ b/src/monitor/monitor.c
@@ -761,6 +761,10 @@ static int service_signal_clear_memcache(struct mt_svc *svc)
 {
     return service_signal(svc, MON_CLI_METHOD_CLEAR_MEMCACHE);
 }
+static int service_signal_clear_enum_cache(struct mt_svc *svc)
+{
+    return service_signal(svc, MON_CLI_METHOD_CLEAR_ENUM_CACHE);
+}
 
 static int check_domain_ranges(struct sss_domain_info *domains)
 {
@@ -1346,6 +1350,10 @@ static void monitor_hup(struct tevent_context *ev,
         if (!strcmp(NSS_SBUS_SERVICE_NAME, cur_svc->name)) {
             service_signal_clear_memcache(cur_svc);
         }
+
+        if (!strcmp(SSS_AUTOFS_SBUS_SERVICE_NAME, cur_svc->name)) {
+            service_signal_clear_enum_cache(cur_svc);
+        }
     }
 
 }
diff --git a/src/monitor/monitor_interfaces.h b/src/monitor/monitor_interfaces.h
index abe90503..f27c7d00 100644
--- a/src/monitor/monitor_interfaces.h
+++ b/src/monitor/monitor_interfaces.h
@@ -46,6 +46,7 @@
 #define MON_CLI_METHOD_RESET_OFFLINE "resetOffline" /* Applicable only to providers */
 #define MON_CLI_METHOD_ROTATE "rotateLogs"
 #define MON_CLI_METHOD_CLEAR_MEMCACHE "clearMemcache"
+#define MON_CLI_METHOD_CLEAR_ENUM_CACHE "clearEnumCache"
 
 #define SSSD_SERVICE_PIPE "private/sbus-monitor"
 
diff --git a/src/responder/autofs/autofssrv.c b/src/responder/autofs/autofssrv.c
index d7c10d6c..93deffd9 100644
--- a/src/responder/autofs/autofssrv.c
+++ b/src/responder/autofs/autofssrv.c
@@ -29,10 +29,14 @@
 #include "providers/data_provider.h"
 #include "responder/autofs/autofs_private.h"
 
+static int autofs_clean_hash_table(DBusMessage *message,
+                                   struct sbus_connection *conn);
+
 struct sbus_method monitor_autofs_methods[] = {
     { MON_CLI_METHOD_PING, monitor_common_pong },
     { MON_CLI_METHOD_RES_INIT, monitor_common_res_init },
     { MON_CLI_METHOD_ROTATE, responder_logrotate },
+    { MON_CLI_METHOD_CLEAR_ENUM_CACHE, autofs_clean_hash_table },
     { NULL, NULL }
 };
 
@@ -101,6 +105,24 @@ autofs_dp_reconnect_init(struct sbus_connection *conn,
                                  be_conn->domain->name));
 }
 
+static int autofs_clean_hash_table(DBusMessage *message,
+                                   struct sbus_connection *conn)
+{
+    struct resp_ctx *rctx = talloc_get_type(sbus_conn_get_private_data(conn),
+                                            struct resp_ctx);
+    struct autofs_ctx *actx =
+            talloc_get_type(rctx->pvt_ctx, struct autofs_ctx);
+    errno_t ret;
+
+    ret = autofs_orphan_maps(actx);
+    if (ret != EOK) {
+        DEBUG(SSSDBG_OP_FAILURE, ("Could not invalidate maps\n"));
+        return ret;
+    }
+
+    return monitor_common_pong(message, conn);
+}
+
 static int
 autofs_process_init(TALLOC_CTX *mem_ctx,
                     struct tevent_context *ev,