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From fecc0fd86f598807129ea9fa1e4e7b74cf2aba21 Mon Sep 17 00:00:00 2001
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From: Petr Mensik <pemensik@redhat.com>
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Date: Mon, 11 Nov 2019 17:36:58 +0100
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Subject: [PATCH] Add support for servestale records
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Serve-stale support includes two new database methods. Add wrapper into
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ldap database.
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---
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configure.ac | 5 +++++
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src/ldap_driver.c | 24 ++++++++++++++++++++++++
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2 files changed, 29 insertions(+)
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diff --git a/configure.ac b/configure.ac
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index d05bad9..7997898 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -120,6 +120,11 @@ int main(void) {
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[AC_MSG_ERROR([Cross compiling is not supported.])]
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)
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+dnl dns_db_setservestalettl() can be backported, detect support
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+AC_CHECK_LIB([dns], [dns_db_setservestalettl],
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+ [AC_DEFINE([HAVE_DNS_SERVESTALE], 1, [Define if dns library provides dns_db_setservestalettl])]
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+)
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+
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dnl Older autoconf (2.59, for example) doesn't define docdir
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[[ ! -n "$docdir" ]] && docdir='${datadir}/doc/${PACKAGE_TARNAME}'
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AC_SUBST([docdir])
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diff --git a/src/ldap_driver.c b/src/ldap_driver.c
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index b9161fe..dcf65d0 100644
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--- a/src/ldap_driver.c
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+++ b/src/ldap_driver.c
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@@ -823,6 +823,26 @@ nodefullname(dns_db_t *db, dns_dbnode_t *node, dns_name_t *name)
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return dns_db_nodefullname(ldapdb->rbtdb, node, name);
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}
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+#ifdef HAVE_DNS_SERVESTALE
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+static isc_result_t
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+setservestalettl(dns_db_t *db, dns_ttl_t ttl) {
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+ ldapdb_t *ldapdb = (ldapdb_t *) db;
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+
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+ REQUIRE(VALID_LDAPDB(ldapdb));
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+
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+ return dns_db_setservestalettl(ldapdb->rbtdb, ttl);
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+}
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+
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+static isc_result_t
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+getservestalettl(dns_db_t *db, dns_ttl_t *ttl) {
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+ ldapdb_t *ldapdb = (ldapdb_t *) db;
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+
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+ REQUIRE(VALID_LDAPDB(ldapdb));
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+
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+ return dns_db_getservestalettl(ldapdb->rbtdb, ttl);
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+}
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+#endif
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+
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static dns_dbmethods_t ldapdb_methods = {
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attach,
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detach,
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@@ -869,6 +889,10 @@ static dns_dbmethods_t ldapdb_methods = {
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hashsize,
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nodefullname,
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NULL, // getsize method not implemented (related BZ1353563)
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+#ifdef HAVE_DNS_SERVESTALE
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+ setservestalettl,
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+ getservestalettl,
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+#endif
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};
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isc_result_t ATTR_NONNULLS
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--
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2.20.1
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