diff options
| -rw-r--r-- | sys/src/cmd/ndb/dnresolve.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/sys/src/cmd/ndb/dnresolve.c b/sys/src/cmd/ndb/dnresolve.c index be7b94d91..a93c29151 100644 --- a/sys/src/cmd/ndb/dnresolve.c +++ b/sys/src/cmd/ndb/dnresolve.c @@ -1326,16 +1326,22 @@ tcpquery(Query *qp, DNSmsg *mp, int depth, uchar *ibuf, uchar *obuf, int len, static int queryns(Query *qp, int depth, uchar *ibuf, uchar *obuf, ulong waitms, int inns) { - int ndest, len, replywaits, rv; + int ndest, len, replywaits, rv, flag; ushort req; uvlong endms; char buf[32]; uchar srcip[IPaddrlen]; Dest *p, *np, dest[Maxdest]; - /* pack request into a udp message */ req = rand(); - len = mkreq(qp->dp, qp->type, obuf, Frecurse|Oquery, req); + + /* request recursion only for local dns servers */ + flag = Oquery; + if(strncmp(qp->nsrp->owner->name, "local#", 6) == 0) + flag |= Frecurse; + + /* pack request into a udp message */ + len = mkreq(qp->dp, qp->type, obuf, flag, req); /* no server addresses yet */ memset(dest, 0, sizeof dest); |