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-rw-r--r--examples/ldns-resolver.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/examples/ldns-resolver.c b/examples/ldns-resolver.c
new file mode 100644
index 0000000..04dcc35
--- /dev/null
+++ b/examples/ldns-resolver.c
@@ -0,0 +1,47 @@
+/*
+ * ldns-resolver tries to create a resolver structure from /dev/urandom
+ * this is only useful to test the library for robusteness with input data
+ *
+ * (c) NLnet Labs 2006 - 2008
+ * See the file LICENSE for the license
+ */
+
+#include "config.h"
+#include "errno.h"
+
+#include <ldns/ldns.h>
+
+int
+main(int argc, char **argv) {
+
+ ldns_resolver *r;
+ int line = 1;
+ FILE *rand;
+ ldns_status s;
+
+ if (argc != 2 || strncmp(argv[1], "-h", 3) == 0) {
+ printf("Usage: ldns-resolver <file>\n");
+ printf("Tries to create a stub resolver structure from the given file.\n");
+ exit(EXIT_FAILURE);
+ }
+
+ if (!(rand = fopen(argv[1], "r"))) {
+ printf("Error opening %s: %s\n", argv[1], strerror(errno));
+ exit(EXIT_FAILURE);
+ }
+
+ printf("Trying to read from %s\n", argv[1]);
+ s = ldns_resolver_new_frm_fp_l(&r, rand, &line);
+ if (s != LDNS_STATUS_OK) {
+ printf("Failed: %s at line %d\n", ldns_get_errorstr_by_id(s), line);
+ exit(EXIT_FAILURE);
+ } else {
+ printf("Succes\n");
+ ldns_resolver_print(stdout, r);
+ ldns_resolver_deep_free(r);
+ }
+
+ fclose(rand);
+
+ return EXIT_SUCCESS;
+}