forked from auxolotl/core
47 lines
1.7 KiB
Diff
47 lines
1.7 KiB
Diff
From 7a27556920fe1feefd17096841c8f3ca1294a1b3 Mon Sep 17 00:00:00 2001
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From: Yuri Nesterov <yuriy.nesterov@unikie.com>
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Date: Wed, 21 Jun 2023 17:17:38 +0300
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Subject: [PATCH] timesyncd: disable NSCD when DNSSEC validation is disabled
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Systemd-timesyncd sets SYSTEMD_NSS_RESOLVE_VALIDATE=0 in the unit file
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to disable DNSSEC validation but it doesn't work when NSCD is used in
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the system. This patch disabes NSCD in systemd-timesyncd when
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SYSTEMD_NSS_RESOLVE_VALIDATE is set to 0 so that it uses NSS libraries
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directly.
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---
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src/timesync/timesyncd.c | 11 +++++++++++
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1 file changed, 11 insertions(+)
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diff --git a/src/timesync/timesyncd.c b/src/timesync/timesyncd.c
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index 1d8ebecc91..2b0ae361ff 100644
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--- a/src/timesync/timesyncd.c
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+++ b/src/timesync/timesyncd.c
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@@ -21,6 +21,11 @@
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#include "timesyncd-conf.h"
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#include "timesyncd-manager.h"
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#include "user-util.h"
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+#include "env-util.h"
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+
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+struct traced_file;
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+extern void __nss_disable_nscd(void (*)(size_t, struct traced_file *));
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+static void register_traced_file(size_t dbidx, struct traced_file *finfo) {}
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static int advance_tstamp(int fd, const struct stat *st) {
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assert_se(fd >= 0);
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@@ -198,6 +203,12 @@ static int run(int argc, char *argv[]) {
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if (r < 0)
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return log_error_errno(r, "Failed to parse fallback server strings: %m");
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+ r = getenv_bool_secure("SYSTEMD_NSS_RESOLVE_VALIDATE");
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+ if (r == 0) {
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+ log_info("Disabling NSCD because DNSSEC validation is turned off");
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+ __nss_disable_nscd(register_traced_file);
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+ }
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+
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log_debug("systemd-timesyncd running as pid " PID_FMT, getpid_cached());
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notify_message = notify_start("READY=1\n"
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--
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2.34.1
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