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[master] fix dns_request_createvia assert

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3474.	[bug]		nsupdate could assert when the local and remote
			address families didn't match. [RT #22897]
This commit is contained in:
Evan Hunt 2013-01-23 15:39:05 -08:00
parent 627d4113a0
commit ffff5d6792
3 changed files with 18 additions and 2 deletions
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3
CHANGES
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@ -1,3 +1,6 @@
3474. [bug] nsupdate could assert when the local and remote
address families didn't match. [RT #22897]
3473. [bug] dnssec-signzone/verify could incorrectly report
an error condition due to an empty node above an
opt-out delegation lacking an NSEC3. [RT #32072]

11
bin/tests/system/nsupdate/tests.sh
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@ -222,6 +222,17 @@ $DIG +tcp version.bind txt ch @10.53.0.1 -p 5300 > dig.out.ns1.$n
grep "status: NOERROR" dig.out.ns1.$n > /dev/null || ret=1
[ $ret = 0 ] || { echo I:failed; status=1; }
n=`expr $n + 1`
echo "I:check that address family mismatch is handled ($n)"
$NSUPDATE <<END > /dev/null 2>&1 && ret=1
server ::1
local 127.0.0.1
update add 600 txt.example.nil in txt "test"
send
END
[ $ret = 0 ] || { echo I:failed; status=1; }
n=`expr $n + 1`
echo "I:check that unixtime serial number is correctly generated ($n)"
oldserial=`$DIG +short unixtime.nil. soa @10.53.0.1 -p 5300 | awk '{print $3}'` || ret=1

6
lib/dns/request.c
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@ -894,13 +894,15 @@ dns_request_createvia3(dns_requestmgr_t *requestmgr, dns_message_t *message,
REQUIRE(action != NULL);
REQUIRE(requestp != NULL && *requestp == NULL);
REQUIRE(timeout > 0);
if (srcaddr != NULL)
REQUIRE(isc_sockaddr_pf(srcaddr) == isc_sockaddr_pf(destaddr));
mctx = requestmgr->mctx;
req_log(ISC_LOG_DEBUG(3), "dns_request_createvia");
if (srcaddr != NULL &&
isc_sockaddr_pf(srcaddr) != isc_sockaddr_pf(destaddr))
return (ISC_R_FAMILYMISMATCH);
if (isblackholed(requestmgr->dispatchmgr, destaddr))
return (DNS_R_BLACKHOLED);