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resolvectl: expose new SD_RESOLVED_RELAX_SINGLE_LABEL flag in resolvectl

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This commit is contained in:
Lennart Poettering 2024-03-04 18:47:45 +01:00
parent d0eae64c1f
commit 36418a4792
2 changed files with 26 additions and 1 deletions
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15
man/resolvectl.xml
View file

@ -480,6 +480,21 @@
<xi:include href="version-info.xml" xpointer="v254"/></listitem>
</varlistentry>
<varlistentry>
<term><option>--relax-single-label=</option><replaceable>BOOL</replaceable></term>
<listitem><para>Takes a boolean parameter; used in conjunction with <command>query</command>. If
true, rules regarding routing of single-label names are relaxed. Defaults to false. By default,
lookups of single label names are assumed to refer to local hosts to be resolved via local resolution
such as LLMNR or via search domain qualification and are not routed to upstream servers as is. If
this option is enabled these rules are disabled and the queries are routed upstream anyway. Also see
the <varname>ResolveUnicastSingleLabel=</varname> option in
<citerefentry><refentrytitle>resolved.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
which provides a system-wide option that controls this behaviour.</para>
<xi:include href="version-info.xml" xpointer="v256"/></listitem>
</varlistentry>
<xi:include href="standard-options.xml" xpointer="json" />
<xi:include href="standard-options.xml" xpointer="j" />
<xi:include href="standard-options.xml" xpointer="no-pager" />

12
src/resolve/resolvectl.c
View file

@ -3342,6 +3342,7 @@ static int native_help(void) {
" --synthesize=BOOL Allow synthetic response (default: yes)\n"
" --cache=BOOL Allow response from cache (default: yes)\n"
" --stale-data=BOOL Allow response from cache with stale data (default: yes)\n"
" --relax-single-label=BOOL Allow single label lookups to go upstream (default: no)\n"
" --zone=BOOL Allow response from locally registered mDNS/LLMNR\n"
" records (default: yes)\n"
" --trust-anchor=BOOL Allow response from local trust anchor (default:\n"
@ -3701,7 +3702,8 @@ static int native_parse_argv(int argc, char *argv[]) {
ARG_SEARCH,
ARG_NO_PAGER,
ARG_JSON,
ARG_STALE_DATA
ARG_STALE_DATA,
ARG_RELAX_SINGLE_LABEL,
};
static const struct option options[] = {
@ -3726,6 +3728,7 @@ static int native_parse_argv(int argc, char *argv[]) {
{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
{ "json", required_argument, NULL, ARG_JSON },
{ "stale-data", required_argument, NULL, ARG_STALE_DATA },
{ "relax-single-label", required_argument, NULL, ARG_RELAX_SINGLE_LABEL },
{}
};
@ -3912,6 +3915,13 @@ static int native_parse_argv(int argc, char *argv[]) {
SET_FLAG(arg_flags, SD_RESOLVED_NO_SEARCH, r == 0);
break;
case ARG_RELAX_SINGLE_LABEL:
r = parse_boolean_argument("--relax-single-label=", optarg, NULL);
if (r < 0)
return r;
SET_FLAG(arg_flags, SD_RESOLVED_RELAX_SINGLE_LABEL, r > 0);
break;
case ARG_NO_PAGER:
arg_pager_flags |= PAGER_DISABLE;
break;