set AD bit in dns queries, suppress for internal use

[musl] / src / network / getnameinfo.c

diff --git a/src/network/getnameinfo.c b/src/network/getnameinfo.c
index f77e73a..949e181 100644 (file)
--- a/src/network/getnameinfo.c
+++ b/src/network/getnameinfo.c
@@ -158,6 +158,7 @@ int getnameinfo(const struct sockaddr *restrict sa, socklen_t sl,
                        unsigned char query[18+PTR_MAX], reply[512];
                        int qlen = __res_mkquery(0, ptr, 1, RR_PTR,
                                0, 0, 0, query, sizeof query);
+                       query[3] = 0; /* don't need AD flag */
                        int rlen = __res_send(query, qlen, reply, sizeof reply);
                        buf[0] = 0;
                        if (rlen > 0)