Blame SOURCES/0001-Modify-empty-zone-conflicts-under-exclusive-mode_rhbz#2133036.patch
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From 7b4c1e28b3e64f7cd075599472e349510f8d33da Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Petr=20Men=C5=A1=C3=ADk?= <pemensik@redhat.com>
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Date: Wed, 14 Sep 2022 17:10:11 +0200
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Subject: [PATCH] Modify empty zone conflicts under exclusive mode
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Does not accept new request when exclusive mode is active. Zone table
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can be modified even after main fwd entries have been added. Ensure
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empty zones handling keeps exclusive mode active.
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Exclusive mode were mentioned as the only protection it had by bind
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maintainer:
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https://gitlab.isc.org/isc-projects/bind9/-/merge_requests/6637#note_308928
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---
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src/fwd.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/src/fwd.c b/src/fwd.c
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index 24f6e53..0a3c673 100644
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--- a/src/fwd.c
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+++ b/src/fwd.c
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@@ -595,10 +595,12 @@ fwd_configure_zone(const settings_set_t *set, ldap_instance_t *inst,
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dns_result_totext(result));
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/* Handle collisions with automatic empty zones. */
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- if (isconfigured == true)
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+ if (isconfigured == true) {
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+ run_exclusive_enter(inst, &lock_state);
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CHECK(empty_zone_handle_conflicts(name,
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view->zonetable,
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(fwdpolicy == dns_fwdpolicy_first)));
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+ }
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cleanup:
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run_exclusive_exit(inst, lock_state);
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--
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2.37.3
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