Factor out hostname parsing for reuse

[trust_router.git] / trp / trp_req.c

diff --git a/trp/trp_req.c b/trp/trp_req.c
index d740266..be84310 100644 (file)
--- a/trp/trp_req.c
+++ b/trp/trp_req.c
@@ -1,7 +1,41 @@
+/*
+ * Copyright (c) 2016, JANET(UK)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of JANET(UK) nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
 #include <jansson.h>
 #include <talloc.h>
 
-#include <trust_router/tr_name.h>
+#include <tr_name_internal.h>
 #include <trp_internal.h>
 #include <tr_debug.h>
 
@@ -10,16 +44,15 @@ static int trp_req_destructor(void *object)
   TRP_REQ *req=talloc_get_type_abort(object, TRP_REQ);
   
   /* clean up TR_NAME data, which are not managed by talloc */
-  if (req->comm != NULL) {
+  if (req->comm != NULL)
     tr_free_name(req->comm);
-    req->comm=NULL;
-    tr_debug("trp_req_destructor: freed community");
-  }
-  if (req->realm != NULL) {
+
+  if (req->realm != NULL)
     tr_free_name(req->realm);
-    req->realm=NULL;
-    tr_debug("trp_req_destructor: freed realm");
-  }
+
+  if (req->peer != NULL)
+    tr_free_name(req->peer);
+
   return 0;
 }
 
@@ -30,6 +63,7 @@ TRP_REQ *trp_req_new(TALLOC_CTX *mem_ctx)
   if (new_req != NULL) {
     new_req->comm=NULL;
     new_req->realm=NULL;
+    new_req->peer=NULL;
   }
 
   talloc_set_destructor((void *)new_req, trp_req_destructor);
@@ -70,3 +104,50 @@ void trp_req_set_realm(TRP_REQ *req, TR_NAME *realm)
   if (req)
     req->realm=realm;
 }
+
+TR_NAME *trp_req_get_peer(TRP_REQ *req)
+{
+  if (req!=NULL)
+    return req->peer;
+  else
+    return NULL;
+}
+
+
+void trp_req_set_peer(TRP_REQ *req, TR_NAME *peer)
+{
+  if (req)
+    req->peer=peer;
+}
+
+/* Defines what we use as a wildcard for realm or community name.
+ * Must not be a valid name for either of those. Currently, we
+ * use the empty string. */
+static int trp_req_name_is_wildcard(TR_NAME *name)
+{
+  return (name!=NULL) && (name->len==0);
+}
+
+int trp_req_is_wildcard(TRP_REQ *req)
+{
+  return (req!=NULL) && trp_req_name_is_wildcard(req->comm) && trp_req_name_is_wildcard(req->realm);
+}
+
+TRP_RC trp_req_make_wildcard(TRP_REQ *req)
+{
+  if (req==NULL)
+    return TRP_BADARG;
+
+  req->comm=tr_new_name("");
+  if (req->comm==NULL)
+    return TRP_NOMEM;
+
+  req->realm=tr_new_name("");
+  if (req->realm==NULL) {
+    tr_free_name(req->comm);
+    req->comm=NULL;
+    return TRP_NOMEM;
+  }
+
+  return TRP_SUCCESS;
+}