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resolve: Add support for mDNS to systemd-resolve utility

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Signed-off-by: Dmitry Rozhkov <dmitry.rozhkov@linux.intel.com>
This commit is contained in:
Dmitry Rozhkov
2017-01-19 11:47:51 +02:00
parent 7bef8e8e54
commit 062aabb924
2 changed files with 10 additions and 2 deletions
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4
man/systemd-resolve.xml
View File

@@ -182,7 +182,9 @@
(i.e. classic unicast DNS), <literal>llmnr</literal> (<ulink
url="https://tools.ietf.org/html/rfc4795">Link-Local Multicast Name Resolution</ulink>),
<literal>llmnr-ipv4</literal>, <literal>llmnr-ipv6</literal> (LLMNR via the indicated underlying IP
protocols). By default the lookup is done via all protocols suitable for the lookup. If used, limits the set of
protocols), <literal>mdns</literal> (<ulink url="https://www.ietf.org/rfc/rfc6762.txt">Multicast DNS</ulink>),
<literal>mdns-ipv4</literal>, <literal>mdns-ipv6</literal> (MDNS via the indicated underlying IP protocols).
By default the lookup is done via all protocols suitable for the lookup. If used, limits the set of
protocols that may be used. Use this option multiple times to enable resolving via multiple protocols at the
same time. The setting <literal>llmnr</literal> is identical to specifying this switch once with
<literal>llmnr-ipv4</literal> and once via <literal>llmnr-ipv6</literal>. Note that this option does not force

8
src/resolve/resolve-tool.c
View File

@@ -1524,7 +1524,7 @@ static int status_all(sd_bus *bus) {
static void help_protocol_types(void) {
if (arg_legend)
puts("Known protocol types:");
puts("dns\nllmnr\nllmnr-ipv4\nllmnr-ipv6");
puts("dns\nllmnr\nllmnr-ipv4\nllmnr-ipv6\nmdns\nmnds-ipv4\nmdns-ipv6");
}
static void help_dns_types(void) {
@@ -1722,6 +1722,12 @@ static int parse_argv(int argc, char *argv[]) {
arg_flags |= SD_RESOLVED_LLMNR_IPV4;
else if (streq(optarg, "llmnr-ipv6"))
arg_flags |= SD_RESOLVED_LLMNR_IPV6;
else if (streq(optarg, "mdns"))
arg_flags |= SD_RESOLVED_MDNS;
else if (streq(optarg, "mdns-ipv4"))
arg_flags |= SD_RESOLVED_MDNS_IPV4;
else if (streq(optarg, "mdns-ipv6"))
arg_flags |= SD_RESOLVED_MDNS_IPV6;
else {
log_error("Unknown protocol specifier: %s", optarg);
return -EINVAL;