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authorWojciech Kosior <kwojtus@protonmail.com>2020-05-11 14:43:54 +0200
committerWojciech Kosior <kwojtus@protonmail.com>2020-05-11 14:43:54 +0200
commit83a419bf1559fb4742e3155dab4c1fab3a0dc128 (patch)
tree13f6d03bde0c69223cba931861b84b49df75161f /src
parentf91c8395cec54efb8908e4cc9dd261983cca639b (diff)
download0tdns-83a419bf1559fb4742e3155dab4c1fab3a0dc128.tar.gz
0tdns-83a419bf1559fb4742e3155dab4c1fab3a0dc128.zip
make helper program able to ask DNS at address provided on the command line
Diffstat (limited to 'src')
-rw-r--r--src/ask_resolver.c (renamed from src/ask_localhost.c)18
1 files changed, 10 insertions, 8 deletions
diff --git a/src/ask_localhost.c b/src/ask_resolver.c
index 49845c3..dc7c660 100644
--- a/src/ask_localhost.c
+++ b/src/ask_resolver.c
@@ -74,7 +74,8 @@ void examine_result(const char *query, struct ub_result *result)
printf("result has %d data element(s)\n", num);
}
-struct ub_ctx *create_ub_context(int debuglevel) {
+struct ub_ctx *create_ub_context(char *forwarder_addr, int debuglevel)
+{
int rc;
struct ub_ctx* ctx;
char *error_message_format;
@@ -86,7 +87,7 @@ struct ub_ctx *create_ub_context(int debuglevel) {
}
error_message_format = "Couldn't set forwarder: %s\n";
- rc = ub_ctx_set_fwd(ctx, "127.0.0.1");
+ rc = ub_ctx_set_fwd(ctx, forwarder_addr);
if (rc)
goto out;
@@ -103,7 +104,8 @@ out:
return ctx;
}
-void ztdns_try_resolve(struct ub_ctx *ctx, const char *name) {
+void ztdns_try_resolve(struct ub_ctx *ctx, const char *name)
+{
struct ub_result* result;
int rc;
rc = ub_resolve(ctx, name,
@@ -120,17 +122,17 @@ void ztdns_try_resolve(struct ub_ctx *ctx, const char *name) {
int main(int argc, char** argv)
{
struct ub_ctx *ctx;
-
- if (argc < 2) {
- printf("Usage: %s DOMAINNAME\n", argv[0]);
+
+ if (argc != 3) {
+ printf("Usage: %s DNS_SERVER DOMAINNAME\n", argv[0]);
return EXIT_FAILURE;
}
- ctx = create_ub_context(3);
+ ctx = create_ub_context(argv[1], 3);
if (!ctx)
return EXIT_FAILURE;
- ztdns_try_resolve(ctx, argv[1]);
+ ztdns_try_resolve(ctx, argv[2]);
ub_ctx_delete(ctx);