1 files changed, 20 insertions, 0 deletions
diff --git a/src/providers/ipa/ipa_dyndns.c b/src/providers/ipa/ipa_dyndns.c
index 7217c6145..dc910770c 100644
--- a/src/providers/ipa/ipa_dyndns.c
+++ b/src/providers/ipa/ipa_dyndns.c
@@ -162,6 +162,26 @@ ipa_dyndns_update_send(struct ipa_options *ctx)
     }
     state->ipa_ctx = ctx;
 
+    /* The following three checks are here to prevent SEGFAULT
+     * from ticket #3076. */
+    if (ctx->service == NULL) {
+        DEBUG(SSSDBG_CRIT_FAILURE, "service structure not initialized\n");
+        ret = EINVAL;
+        goto done;
+    }
+
+    if (ctx->service->sdap == NULL) {
+        DEBUG(SSSDBG_CRIT_FAILURE, "sdap structure not initialized\n");
+        ret = EINVAL;
+        goto done;
+    }
+
+    if (ctx->service->sdap->uri == NULL) {
+        DEBUG(SSSDBG_CRIT_FAILURE, "LDAP uri not set\n");
+        ret = EINVAL;
+        goto done;
+    }
+
     if (ctx->dyndns_ctx->last_refresh + 60 > time(NULL) ||
         ctx->dyndns_ctx->timer_in_progress) {
         DEBUG(SSSDBG_FUNC_DATA, "Last periodic update ran recently or timer "