From 8106050f24d1552f9fe9f0f1521eb3068de08ea4 Mon Sep 17 00:00:00 2001
From: Linus Nordberg <linus@nordu.net>
Date: Tue, 29 Mar 2016 20:35:35 +0200
Subject: Read root hints from file "root.txt".

Facilitating querying a local nameserver.
---
 tools/dnssec/net2wire.c | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/tools/dnssec/net2wire.c b/tools/dnssec/net2wire.c
index fb4620b..f97483f 100644
--- a/tools/dnssec/net2wire.c
+++ b/tools/dnssec/net2wire.c
@@ -247,6 +247,21 @@ send_query(getdns_context *context,
 	return r;
 }
 
+#define OWN_ROOT
+
+#ifdef OWN_ROOT
+getdns_list *
+read_own_rootfile()
+{
+  FILE *fp = fopen("root.txt", "r");
+  getdns_list *list = NULL;
+
+  if (fp && !getdns_fp2rr_list(fp, &list, ".", 0))
+    return list;
+  return NULL;
+}
+#endif
+
 int main(int argc, char *argv[])
 {
 	getdns_return_t      r;  /* Holder for all function returns */
@@ -256,6 +271,7 @@ int main(int argc, char *argv[])
 	uint16_t            query_type = 0;
 	getdns_transaction_t transaction_id;
 	getdns_list *trust_anchors;
+        getdns_list *root_servers = NULL;
 
 
 	if (argc > 1)
@@ -263,9 +279,18 @@ int main(int argc, char *argv[])
 	if (argc > 2)
 		query_type = (uint16_t) atoi(argv[2]);
 
-	if ((r = getdns_context_create(&context, 1)))
+	if ((r = getdns_context_create(&context, 0)))
 		fprintf(stderr, "Trying to create the context failed");
 
+#ifdef OWN_ROOT
+        else if (!(root_servers = read_own_rootfile()))
+                fprintf(stderr, "Reading root hints file failed.\n");
+#endif
+
+        else if ((r = getdns_context_set_dns_root_servers(context,
+                                                          root_servers)))
+                fprintf(stderr, "Setting root name servers failed.\n");
+
 	else if ((r = getdns_context_get_dnssec_trust_anchors(
 			  context, &trust_anchors)) ||
 		 trust_anchors == NULL)
-- 
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