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the TC bit was only checked in messages that ended

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prematurely; it should be checked always
This commit is contained in:
Andreas Gustafsson 1999-12-10 17:31:08 +00:00
parent efff2a52af
commit 211e0a6fc2
1 changed files with 10 additions and 2 deletions
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12
lib/dns/resolver.c
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@ -2783,9 +2783,17 @@ resquery_response(isc_task_t *task, isc_event_t *event) {
/*
* Deal with truncated responses by retrying using TCP.
*/
if ((message->flags & DNS_MESSAGEFLAG_TC) != 0)
truncated = ISC_TRUE;
if (truncated) {
options |= DNS_FETCHOPT_TCP;
resend = ISC_TRUE;
if ((options & DNS_FETCHOPT_TCP) != 0) {
broken_server = ISC_TRUE;
keep_trying = ISC_TRUE;
} else {
options |= DNS_FETCHOPT_TCP;
resend = ISC_TRUE;
}
goto done;
}