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| author | Ulrich Drepper <drepper@redhat.com> | 2008-05-24 17:51:45 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2008-05-24 17:51:45 +0000 |
| commit | e20038838008fdc87dc36d256e72190a39f17a1a (patch) | |
| tree | cc4a2596964bcaf28f5d16ac9987e0b66733daa3 /resolv | |
| parent | acbb987309f328b1679f5aef2804c603113c6426 (diff) | |
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* resolv/res_send.c (send_dg): If we already have one of two
answers and the server reports SERVFAI, NOTIMP, or REFUSED, then
use the one answer insted of failing.
Diffstat (limited to 'resolv')
| -rw-r--r-- | resolv/res_send.c | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/resolv/res_send.c b/resolv/res_send.c index e67ef1c676..e78ff967aa 100644 --- a/resolv/res_send.c +++ b/resolv/res_send.c @@ -1001,12 +1001,12 @@ send_dg(res_state statp, need_recompute = 1; } if (n == 0) { - Dprint(statp->options & RES_DEBUG, (stdout, - ";; timeout sending\n")); - if (recvresp1) - return resplen; - if (buf2 != NULL && recvresp2) - return 1; + Dprint(statp->options & RES_DEBUG, (stdout, ";; timeout\n")); + if (recvresp1 || (buf2 != NULL && recvresp2)) + { + *resplen2 = 1; + return resplen; + } *gotsomewhere = 1; return (0); @@ -1184,6 +1184,24 @@ send_dg(res_state statp, thisansp, (*thisresplen > *thisanssiz) ? *thisanssiz : *thisresplen); + + if (recvresp1 || (buf2 != NULL && recvresp2)) + { + *resplen2 = 1; + return resplen; + } + if (buf2 != NULL) + { + /* We are waiting for a possible second reply. */ + resplen = 1; + if (hp->id == anhp->id) + recvresp1 = 1; + else + recvresp2 = 1; + + goto wait; + } + next_ns: __res_iclose(statp, false); /* don't retry if called from dig */ |