60 lines
2.0 KiB
Plaintext
60 lines
2.0 KiB
Plaintext
--- bin/named/config.c.orig 2019-07-22 02:18:48 UTC
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+++ bin/named/config.c
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@@ -177,6 +177,7 @@ options {\n\
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notify-source *;\n\
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notify-source-v6 *;\n\
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nsec3-test-zone no;\n\
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+ override-cache-ttl 0; /* do not override */\n\
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provide-ixfr true;\n\
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qname-minimization relaxed;\n\
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query-source address *;\n\
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--- bin/named/server.c.orig 2019-07-22 02:18:48 UTC
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+++ bin/named/server.c
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@@ -4226,6 +4226,11 @@ configure_view(dns_view_t *view, dns_viewlist_t *viewl
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}
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obj = NULL;
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+ result = named_config_get(maps, "override-cache-ttl", &obj);
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+ INSIST(result == ISC_R_SUCCESS);
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+ view->overridecachettl = cfg_obj_asuint32(obj);
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+
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+ obj = NULL;
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result = named_config_get(maps, "max-cache-ttl", &obj);
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INSIST(result == ISC_R_SUCCESS);
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view->maxcachettl = cfg_obj_asuint32(obj);
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--- lib/dns/include/dns/view.h.orig 2019-07-22 02:18:48 UTC
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+++ lib/dns/include/dns/view.h
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@@ -152,6 +152,7 @@ struct dns_view {
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bool requestnsid;
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bool sendcookie;
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dns_ttl_t maxcachettl;
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+ dns_ttl_t overridecachettl;
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dns_ttl_t maxncachettl;
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dns_ttl_t mincachettl;
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dns_ttl_t minncachettl;
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--- lib/dns/resolver.c.orig 2019-07-22 02:18:48 UTC
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+++ lib/dns/resolver.c
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@@ -6048,6 +6048,12 @@ cache_name(fetchctx_t *fctx, dns_name_t *name, dns_adb
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}
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/*
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+ * Enforce the configure cache TTL override.
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+ */
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+ if (res->view->overridecachettl)
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+ rdataset->ttl = res->view->overridecachettl;
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+
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+ /*
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* Enforce the configure maximum cache TTL.
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*/
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if (rdataset->ttl > res->view->maxcachettl) {
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--- lib/isccfg/namedconf.c.orig 2019-07-22 02:18:48 UTC
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+++ lib/isccfg/namedconf.c
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@@ -1911,6 +1911,7 @@ view_clauses[] = {
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#endif
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{ "max-acache-size", &cfg_type_sizenodefault, CFG_CLAUSEFLAG_OBSOLETE },
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{ "max-cache-size", &cfg_type_sizeorpercent, 0 },
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+ { "override-cache-ttl", &cfg_type_ttlval, 0 },
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{ "max-cache-ttl", &cfg_type_ttlval, 0 },
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{ "max-clients-per-query", &cfg_type_uint32, 0 },
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{ "max-ncache-ttl", &cfg_type_ttlval, 0 },
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