diff options
Diffstat (limited to 'resolv/res_query.c')
| -rw-r--r-- | resolv/res_query.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/resolv/res_query.c b/resolv/res_query.c index 6ac33ce64c..9ffb3e3685 100644 --- a/resolv/res_query.c +++ b/resolv/res_query.c @@ -289,6 +289,13 @@ __libc_res_nquery(res_state statp, break; case FORMERR: case NOTIMP: + /* Servers must not reply to AAAA queries with + NOTIMP etc but some of them do. */ + if ((hp->rcode == NOERROR && ntohs (hp->ancount) != 0) + || (hp2->rcode == NOERROR + && ntohs (hp2->ancount) != 0)) + goto success; + /* FALLTHROUGH */ case REFUSED: default: RES_SET_H_ERRNO(statp, NO_RECOVERY); |