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resolve: persist DNSOverTLS configuration in state file

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Currently, NetworkManager will set DNSOverTLS according to its
`connection.dnsovertls` configuration only once during connection,
instead of every single restart of systemd-resolved, causing resolved to
lose the configuration on restart.

Fix this by persisting DNSOverTLS in the runtime state file, which will
also make it more consistent with other interface-specific settings.
This commit is contained in:
msizanoen1 2022-09-27 21:48:48 +07:00 committed by Yu Watanabe
parent f58ab54a2b
commit b49e029a99
1 changed files with 9 additions and 0 deletions
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9
src/resolve/resolved-link.c
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@ -1204,6 +1204,10 @@ int link_save_user(Link *l) {
if (v)
fprintf(f, "DNSSEC=%s\n", v);
v = dns_over_tls_mode_to_string(l->dns_over_tls_mode);
if (v)
fprintf(f, "DNSOVERTLS=%s\n", v);
if (l->default_route >= 0)
fprintf(f, "DEFAULT_ROUTE=%s\n", yes_no(l->default_route));
@ -1281,6 +1285,7 @@ int link_load_user(Link *l) {
*llmnr = NULL,
*mdns = NULL,
*dnssec = NULL,
*dns_over_tls = NULL,
*servers = NULL,
*domains = NULL,
*ntas = NULL,
@ -1305,6 +1310,7 @@ int link_load_user(Link *l) {
"LLMNR", &llmnr,
"MDNS", &mdns,
"DNSSEC", &dnssec,
"DNSOVERTLS", &dns_over_tls,
"SERVERS", &servers,
"DOMAINS", &domains,
"NTAS", &ntas,
@ -1332,6 +1338,9 @@ int link_load_user(Link *l) {
/* If we can't recognize the DNSSEC setting, then set it to invalid, so that the daemon default is used. */
l->dnssec_mode = dnssec_mode_from_string(dnssec);
/* Same for DNSOverTLS */
l->dns_over_tls_mode = dns_over_tls_mode_from_string(dns_over_tls);
for (p = servers;;) {
_cleanup_free_ char *word = NULL;