<varlistentry>
<term><option>dns [<replaceable>LINK</replaceable> [<replaceable>SERVER</replaceable>…]]</option></term>
<term><option>domain [<replaceable>LINK</replaceable> [<replaceable>DOMAIN</replaceable>…]]</option></term>
+ <term><option>default-route [<replaceable>LINK</replaceable> [<replaceable>BOOL</replaceable>…]]</option></term>
<term><option>llmnr [<replaceable>LINK</replaceable> [<replaceable>MODE</replaceable>]]</option></term>
<term><option>mdns [<replaceable>LINK</replaceable> [<replaceable>MODE</replaceable>]]</option></term>
<term><option>dnssec [<replaceable>LINK</replaceable> [<replaceable>MODE</replaceable>]]</option></term>
<term><option>nta [<replaceable>LINK</replaceable> [<replaceable>DOMAIN</replaceable>…]]</option></term>
<listitem>
- <para>Get/set per-interface DNS configuration. These commands may be used to configure various DNS
- settings for network interfaces that aren't managed by
+ <para>Get/set per-interface DNS configuration. These commands may be used to configure various DNS settings
+ for network interfaces that aren't managed by
<citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>. (These
commands will fail when used on interfaces that are managed by <command>systemd-networkd</command>, please
configure their DNS settings directly inside the <filename>.network</filename> files instead.) These commands
may be used to inform <command>systemd-resolved</command> about per-interface DNS configuration determined
through external means. The <option>dns</option> command expects IPv4 or IPv6 address specifications of DNS
servers to use. The <option>domain</option> command expects valid DNS domains, possibly prefixed with
- <literal>~</literal>, and configures a per-interface search or route-only domain. The <option>llmnr</option>,
- <option>mdns</option>, <option>dnssec</option> and <option>dnsovertls</option> commands may be used to configure
- the per-interface LLMNR, MulticastDNS, DNSSEC and DNSOverTLS settings. Finally, <option>nta</option> command
- may be used to configure additional per-interface DNSSEC NTA domains.</para>
+ <literal>~</literal>, and configures a per-interface search or route-only domain. The
+ <option>default-route</option> command expects a boolean paremeter, and configures whether the link may be
+ used as default route for DNS lookups, i.e. if it is suitable for lookups on domains no other link explicitly
+ is configured for. The <option>llmnr</option>, <option>mdns</option>, <option>dnssec</option> and
+ <option>dnsovertls</option> commands may be used to configure the per-interface LLMNR, MulticastDNS, DNSSEC
+ and DNSOverTLS settings. Finally, <option>nta</option> command may be used to configure additional
+ per-interface DNSSEC NTA domains.</para>
<para>Options <option>dns</option>, <option>domain</option> and <option>nta</option> can take
a single empty string argument to clear their respective value lists.</para>
<listitem><para>Revert the per-interface DNS configuration. If the DNS configuration is reverted all
per-interface DNS setting are reset to their defaults, undoing all effects of <option>dns</option>,
- <option>domain</option>, <option>llmnr</option>, <option>mdns</option>, <option>dnssec</option>,
- <option>dnsovertls</option>, <option>nta</option>. Note that when a network interface disappears all
- configuration is lost automatically, an explicit reverting is not necessary in that case.</para></listitem>
+ <option>domain</option>, <option>default-route</option>, <option>llmnr</option>, <option>mdns</option>,
+ <option>dnssec</option>, <option>dnsovertls</option>, <option>nta</option>. Note that when a network interface
+ disappears all configuration is lost automatically, an explicit reverting is not necessary in that
+ case.</para></listitem>
</varlistentry>
</variablelist>
STATUS_ALL,
STATUS_DNS,
STATUS_DOMAIN,
+ STATUS_DEFAULT_ROUTE,
STATUS_LLMNR,
STATUS_MDNS,
STATUS_PRIVATE,
char **domains;
char **ntas;
bool dnssec_supported;
+ bool default_route;
};
static void link_info_clear(struct link_info *p) {
{ "DNS", "a(iay)", map_link_dns_servers, offsetof(struct link_info, dns) },
{ "CurrentDNSServer", "(iay)", map_link_current_dns_server, offsetof(struct link_info, current_dns) },
{ "Domains", "a(sb)", map_link_domains, offsetof(struct link_info, domains) },
+ { "DefaultRoute", "b", NULL, offsetof(struct link_info, default_route) },
{ "LLMNR", "s", NULL, offsetof(struct link_info, llmnr) },
{ "MulticastDNS", "s", NULL, offsetof(struct link_info, mdns) },
{ "DNSOverTLS", "s", NULL, offsetof(struct link_info, dns_over_tls) },
if (mode == STATUS_NTA)
return status_print_strv_ifindex(ifindex, name, link_info.ntas);
+ if (mode == STATUS_DEFAULT_ROUTE) {
+ printf("%sLink %i (%s)%s: %s\n",
+ ansi_highlight(), ifindex, name, ansi_normal(),
+ yes_no(link_info.default_route));
+
+ return 0;
+ }
+
if (mode == STATUS_LLMNR) {
printf("%sLink %i (%s)%s: %s\n",
ansi_highlight(), ifindex, name, ansi_normal(),
link_info.scopes_mask & SD_RESOLVED_MDNS_IPV4 ? " mDNS/IPv4" : "",
link_info.scopes_mask & SD_RESOLVED_MDNS_IPV6 ? " mDNS/IPv6" : "");
- printf(" LLMNR setting: %s\n"
+ printf("DefaultRoute setting: %s\n"
+ " LLMNR setting: %s\n"
"MulticastDNS setting: %s\n"
" DNSOverTLS setting: %s\n"
" DNSSEC setting: %s\n"
" DNSSEC supported: %s\n",
+ yes_no(link_info.default_route),
strna(link_info.llmnr),
strna(link_info.mdns),
strna(link_info.dns_over_tls),
return 0;
}
+static int verb_default_route(int argc, char **argv, void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus = userdata;
+ int r, b;
+
+ assert(bus);
+
+ if (argc >= 2) {
+ r = ifname_mangle(argv[1]);
+ if (r < 0)
+ return r;
+ }
+
+ if (arg_ifindex <= 0)
+ return status_all(bus, STATUS_DEFAULT_ROUTE);
+
+ if (argc < 3)
+ return status_ifindex(bus, arg_ifindex, NULL, STATUS_DEFAULT_ROUTE, NULL);
+
+ b = parse_boolean(argv[2]);
+ if (b < 0)
+ return log_error_errno(b, "Failed to parse boolean argument: %s", argv[2]);
+
+ r = sd_bus_call_method(bus,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "SetLinkDefaultRoute",
+ &error,
+ NULL,
+ "ib", arg_ifindex, b);
+ if (r < 0) {
+ if (sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY))
+ return log_interface_is_managed(r, arg_ifindex);
+
+ if (arg_ifindex_permissive &&
+ sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
+ return 0;
+
+ return log_error_errno(r, "Failed to set default route configuration: %s", bus_error_message(&error, r));
+ }
+
+ return 0;
+}
+
static int verb_llmnr(int argc, char **argv, void *userdata) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
sd_bus *bus = userdata;
" reset-server-features Forget learnt DNS server feature levels\n"
" dns [LINK [SERVER...]] Get/set per-interface DNS server address\n"
" domain [LINK [DOMAIN...]] Get/set per-interface search domain\n"
+ " default-route [LINK [BOOL]] Get/set per-interface default route flag\n"
" llmnr [LINK [MODE]] Get/set per-interface LLMNR mode\n"
" mdns [LINK [MODE]] Get/set per-interface MulticastDNS mode\n"
" dnsovertls [LINK [MODE]] Get/set per-interface DNS-over-TLS mode\n"
{ "reset-server-features", VERB_ANY, 1, 0, reset_server_features },
{ "dns", VERB_ANY, VERB_ANY, 0, verb_dns },
{ "domain", VERB_ANY, VERB_ANY, 0, verb_domain },
+ { "default-route", VERB_ANY, 3, 0, verb_default_route },
{ "llmnr", VERB_ANY, 3, 0, verb_llmnr },
{ "mdns", VERB_ANY, 3, 0, verb_mdns },
{ "dnsovertls", VERB_ANY, 3, 0, verb_dns_over_tls },
projects / thirdparty / systemd.git / commitdiff
