Remove leftover FCTX_ATTR_NEEDEDNS0

This is leftover from commit b6309ed962c4988a314d61742c4fbc4935467d68
which removed support for bitstring labels back in 2002.

diff --git a/lib/dns/resolver.c b/lib/dns/resolver.c
index 3d915b95f234500e3a1409bd891b0f62dafca300..85019613fb1800d5c746faaf27b57a0398b5f85a 100644 (file)
--- a/lib/dns/resolver.c
+++ b/lib/dns/resolver.c
@@ -496,7 +496,6 @@ struct fetchctx {
 #define FCTX_ATTR_ADDRWAIT   0x0004
 #define FCTX_ATTR_WANTCACHE  0x0010
 #define FCTX_ATTR_WANTNCACHE 0x0020
-#define FCTX_ATTR_NEEDEDNS0  0x0040
 #define FCTX_ATTR_TRIEDFIND  0x0080
 #define FCTX_ATTR_TRIEDALT   0x0100
 
@@ -511,8 +510,6 @@ struct fetchctx {
        ((atomic_load_acquire(&(f)->attributes) & FCTX_ATTR_WANTCACHE) != 0)
 #define WANTNCACHE(f) \
        ((atomic_load_acquire(&(f)->attributes) & FCTX_ATTR_WANTNCACHE) != 0)
-#define NEEDEDNS0(f) \
-       ((atomic_load_acquire(&(f)->attributes) & FCTX_ATTR_NEEDEDNS0) != 0)
 #define TRIEDFIND(f) \
        ((atomic_load_acquire(&(f)->attributes) & FCTX_ATTR_TRIEDFIND) != 0)
 #define TRIEDALT(f) \
@@ -2643,15 +2640,6 @@ resquery_send(resquery_t *query) {
         */
        query->udpsize = udpsize;
 
-       /*
-        * If we need EDNS0 to do this query and aren't using it, we
-        * lose.
-        */
-       if (NEEDEDNS0(fctx) && (query->options & DNS_FETCHOPT_NOEDNS0) != 0) {
-               result = DNS_R_SERVFAIL;
-               goto cleanup_message;
-       }
-
        add_triededns(fctx, &query->addrinfo->sockaddr);
 
        /*