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modify dns_qp_findname_ancestor() to return found name

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add a 'foundname' parameter to dns_qp_findname_ancestor(),
and use it to set the found name in dns_nametree.

this required adding a dns_qpkey_toname() function; that was
done by moving qp_test_keytoname() from the test library to qp.c.
added some more test cases and fixed bugs with the handling of
relative and empty names.
This commit is contained in:
Evan Hunt
2023-09-06 23:57:42 -07:00
parent 06ac957c4f
commit 29cf7dceb7
12 changed files with 214 additions and 117 deletions
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lib/dns/forward.c
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@@ -168,7 +168,7 @@ dns_fwdtable_find(dns_fwdtable_t *fwdtable, const dns_name_t *name,
REQUIRE(VALID_FWDTABLE(fwdtable));
dns_qpmulti_query(fwdtable->table, &qpr);
result = dns_qp_findname_ancestor(&qpr, name, 0, &pval, NULL);
result = dns_qp_findname_ancestor(&qpr, name, 0, NULL, &pval, NULL);
if (result == ISC_R_SUCCESS || result == DNS_R_PARTIALMATCH) {
dns_forwarders_t *fwdrs = pval;
*forwardersp = fwdrs;