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| author | Jacek Migacz <jmigacz@redhat.com> | 2022-08-22 18:24:29 +0200 |
|---|---|---|
| committer | Yu Watanabe <watanabe.yu+github@gmail.com> | 2022-08-26 04:19:17 +0200 |
| commit | d896260958c78ecf1310ea2483c68efefb7842d6 (patch) | |
| tree | e0f06215ff7715f7a1cb0a9880ee7a0a3fee5af8 /src/resolve | |
| parent | sleep: freeze and thaw user.slice to save resource while suspend (diff) | |
| download | systemd-d896260958c78ecf1310ea2483c68efefb7842d6.tar.xz systemd-d896260958c78ecf1310ea2483c68efefb7842d6.zip | |
resolve: control system hostname synthesis via environment variable
Diffstat (limited to 'src/resolve')
| -rw-r--r-- | src/resolve/resolved-dns-synthesize.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/resolve/resolved-dns-synthesize.c b/src/resolve/resolved-dns-synthesize.c index 9712322a0a..b3442ad906 100644 --- a/src/resolve/resolved-dns-synthesize.c +++ b/src/resolve/resolved-dns-synthesize.c @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: LGPL-2.1-or-later */ #include "alloc-util.h" +#include "env-util.h" #include "hostname-util.h" #include "local-addresses.h" #include "missing_network.h" @@ -410,6 +411,8 @@ int dns_synthesize_answer( } else if (manager_is_own_hostname(m, name)) { + if (getenv_bool("SYSTEMD_RESOLVED_SYNTHESIZE_HOSTNAME") == 0) + continue; r = synthesize_system_hostname_rr(m, key, ifindex, &answer); if (r < 0) return log_error_errno(r, "Failed to synthesize system hostname RRs: %m"); @@ -444,6 +447,9 @@ int dns_synthesize_answer( } else if (dns_name_address(name, &af, &address) > 0) { int v, w; + if (getenv_bool("SYSTEMD_RESOLVED_SYNTHESIZE_HOSTNAME") == 0) + continue; + v = synthesize_system_hostname_ptr(m, af, &address, ifindex, &answer); if (v < 0) return log_error_errno(v, "Failed to synthesize system hostname PTR RR: %m"); |