diff options
Diffstat (limited to 'usr.sbin/named/ns_req.c')
| -rw-r--r-- | usr.sbin/named/ns_req.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/usr.sbin/named/ns_req.c b/usr.sbin/named/ns_req.c index 94d765b..aca6187 100644 --- a/usr.sbin/named/ns_req.c +++ b/usr.sbin/named/ns_req.c @@ -1,6 +1,6 @@ #if !defined(lint) && !defined(SABER) static char sccsid[] = "@(#)ns_req.c 4.47 (Berkeley) 7/1/91"; -static char rcsid[] = "$Id: ns_req.c,v 1.2 1995/05/30 03:48:55 rgrimes Exp $"; +static char rcsid[] = "$Id: ns_req.c,v 1.3 1995/08/20 21:18:54 peter Exp $"; #endif /* not lint */ /* @@ -922,10 +922,32 @@ fetchns: */ delete_all(np, class, T_NS); #endif + for (dp = np->n_data; dp ; dp = dp->d_next) + if (dp->d_zone && match(dp, class, T_NS)) + break; + if (dp) { + /* + * we know the child zone exists but are + * missing glue. + * + * nslookup has called sysquery() to get the + * missing glue. + * + * for UDP, drop the response and let the + * client retry. for TCP, we should probably + * (XXX) hold open the TCP connection for a + * while in case the sysquery() comes back + * soon. meanwhile we SERVFAIL. + */ + if (qsp) + goto do_servfail; + break; + } np = np->n_parent; } goto fetchns; /* Try again. */ case FW_SERVFAIL: + do_servfail: hp->rcode = SERVFAIL; #ifdef DATUMREFCNT free_nsp(nsp); |
