When setting final configuration nodes, set the whole tree as final.

Prevents benign log message of parent nodes of final values being
redefined (which ends up having no affect as the final nodes
are protected from being removed).

src/conf.c

@@ -53,12 +53,13 @@ static ConfNode *root_backup = NULL;
  * nodes is usually part of application initialization.
  *
  * \param name The name of the configuration node to get.
+ * \param final Flag to set created nodes as final or not.
  *
  * \retval The existing configuration node if it exists, or a newly
  *   created node for the provided name.  On error, NULL will be returned.
  */
 static ConfNode *
-ConfGetNodeOrCreate(char *name)
+ConfGetNodeOrCreate(char *name, int final)
 {
     ConfNode *parent = root;
     ConfNode *node = NULL;
@@ -86,6 +87,7 @@ ConfGetNodeOrCreate(char *name)
             }
             node->name = SCStrdup(key);
             node->parent = parent;
+            node->final = final;
             TAILQ_INSERT_TAIL(&parent->head, node, next);
         }
         key = next;
@@ -220,7 +222,7 @@ ConfGetRootNode(void)
 int
 ConfSet(char *name, char *val)
 {
-    ConfNode *node = ConfGetNodeOrCreate(name);
+    ConfNode *node = ConfGetNodeOrCreate(name, 0);
     if (node == NULL || node->final) {
         return 0;
     }
@@ -247,7 +249,7 @@ ConfSet(char *name, char *val)
 int
 ConfSetFinal(char *name, char *val)
 {
-    ConfNode *node = ConfGetNodeOrCreate(name);
+    ConfNode *node = ConfGetNodeOrCreate(name, 1);
     if (node == NULL) {
         return 0;
     }
@@ -1253,7 +1255,7 @@ ConfGetNodeOrCreateTest(void)
 
     /* Get a node that should not exist, give it a value, re-get it
      * and make sure the second time it returns the existing node. */
-    node = ConfGetNodeOrCreate("node0");
+    node = ConfGetNodeOrCreate("node0", 0);
     if (node == NULL) {
         fprintf(stderr, "returned null\n");
         goto end;
@@ -1267,7 +1269,7 @@ ConfGetNodeOrCreateTest(void)
         goto end;
     }
     node->val = SCStrdup("node0");
-    node = ConfGetNodeOrCreate("node0");
+    node = ConfGetNodeOrCreate("node0", 0);
     if (node == NULL) {
         fprintf(stderr, "returned null\n");
         goto end;
@@ -1282,7 +1284,7 @@ ConfGetNodeOrCreateTest(void)
     }
 
     /* Do the same, but for something deeply nested. */
-    node = ConfGetNodeOrCreate("parent.child.grandchild");
+    node = ConfGetNodeOrCreate("parent.child.grandchild", 0);
     if (node == NULL) {
         fprintf(stderr, "returned null\n");
         goto end;
@@ -1296,7 +1298,7 @@ ConfGetNodeOrCreateTest(void)
         goto end;
     }
     node->val = SCStrdup("parent.child.grandchild");
-    node = ConfGetNodeOrCreate("parent.child.grandchild");
+    node = ConfGetNodeOrCreate("parent.child.grandchild", 0);
     if (node == NULL) {
         fprintf(stderr, "returned null\n");
         goto end;
@@ -1311,8 +1313,8 @@ ConfGetNodeOrCreateTest(void)
     }
 
     /* Test that 2 child nodes have the same root. */
-    ConfNode *child1 = ConfGetNodeOrCreate("parent.kids.child1");
+    ConfNode *child1 = ConfGetNodeOrCreate("parent.kids.child1", 0);
-    ConfNode *child2 = ConfGetNodeOrCreate("parent.kids.child2");
+    ConfNode *child2 = ConfGetNodeOrCreate("parent.kids.child2", 0);
     if (child1 == NULL || child2 == NULL) {
         fprintf(stderr, "returned null\n");
         goto end;