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-rw-r--r--src/resolve/resolvectl.c3163
1 files changed, 3163 insertions, 0 deletions
diff --git a/src/resolve/resolvectl.c b/src/resolve/resolvectl.c
new file mode 100644
index 0000000..4d533f8
--- /dev/null
+++ b/src/resolve/resolvectl.c
@@ -0,0 +1,3163 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#include <getopt.h>
+#include <net/if.h>
+
+#include "sd-bus.h"
+#include "sd-netlink.h"
+
+#include "af-list.h"
+#include "alloc-util.h"
+#include "bus-common-errors.h"
+#include "bus-error.h"
+#include "bus-util.h"
+#include "dns-domain.h"
+#include "escape.h"
+#include "gcrypt-util.h"
+#include "in-addr-util.h"
+#include "main-func.h"
+#include "missing_network.h"
+#include "netlink-util.h"
+#include "pager.h"
+#include "parse-util.h"
+#include "pretty-print.h"
+#include "resolvconf-compat.h"
+#include "resolvectl.h"
+#include "resolved-def.h"
+#include "resolved-dns-packet.h"
+#include "string-table.h"
+#include "strv.h"
+#include "terminal-util.h"
+#include "verbs.h"
+
+static int arg_family = AF_UNSPEC;
+static int arg_ifindex = 0;
+static char *arg_ifname = NULL;
+static uint16_t arg_type = 0;
+static uint16_t arg_class = 0;
+static bool arg_legend = true;
+static uint64_t arg_flags = 0;
+static PagerFlags arg_pager_flags = 0;
+bool arg_ifindex_permissive = false; /* If true, don't generate an error if the specified interface index doesn't exist */
+static const char *arg_service_family = NULL;
+
+typedef enum RawType {
+ RAW_NONE,
+ RAW_PAYLOAD,
+ RAW_PACKET,
+} RawType;
+static RawType arg_raw = RAW_NONE;
+
+ExecutionMode arg_mode = MODE_RESOLVE_HOST;
+
+char **arg_set_dns = NULL;
+char **arg_set_domain = NULL;
+static const char *arg_set_llmnr = NULL;
+static const char *arg_set_mdns = NULL;
+static const char *arg_set_dns_over_tls = NULL;
+static const char *arg_set_dnssec = NULL;
+static char **arg_set_nta = NULL;
+
+STATIC_DESTRUCTOR_REGISTER(arg_ifname, freep);
+STATIC_DESTRUCTOR_REGISTER(arg_set_dns, strv_freep);
+STATIC_DESTRUCTOR_REGISTER(arg_set_domain, strv_freep);
+STATIC_DESTRUCTOR_REGISTER(arg_set_nta, strv_freep);
+
+typedef enum StatusMode {
+ STATUS_ALL,
+ STATUS_DNS,
+ STATUS_DOMAIN,
+ STATUS_DEFAULT_ROUTE,
+ STATUS_LLMNR,
+ STATUS_MDNS,
+ STATUS_PRIVATE,
+ STATUS_DNSSEC,
+ STATUS_NTA,
+} StatusMode;
+
+static int parse_ifindex_and_warn(const char *s) {
+ int ifi;
+
+ assert(s);
+
+ if (parse_ifindex(s, &ifi) < 0) {
+ ifi = if_nametoindex(s);
+ if (ifi <= 0)
+ return log_error_errno(errno, "Unknown interface '%s': %m", s);
+ }
+
+ return ifi;
+}
+
+int ifname_mangle(const char *s) {
+ _cleanup_free_ char *iface = NULL;
+ const char *dot;
+ int ifi;
+
+ assert(s);
+
+ dot = strchr(s, '.');
+ if (dot) {
+ log_debug("Ignoring protocol specifier '%s'.", dot + 1);
+ iface = strndup(s, dot - s);
+
+ } else
+ iface = strdup(s);
+ if (!iface)
+ return log_oom();
+
+ if (parse_ifindex(iface, &ifi) < 0) {
+ ifi = if_nametoindex(iface);
+ if (ifi <= 0) {
+ if (errno == ENODEV && arg_ifindex_permissive) {
+ log_debug("Interface '%s' not found, but -f specified, ignoring.", iface);
+ return 0; /* done */
+ }
+
+ return log_error_errno(errno, "Unknown interface '%s': %m", iface);
+ }
+ }
+
+ if (arg_ifindex > 0 && arg_ifindex != ifi) {
+ log_error("Specified multiple different interfaces. Refusing.");
+ return -EINVAL;
+ }
+
+ arg_ifindex = ifi;
+ free_and_replace(arg_ifname, iface);
+
+ return 1;
+}
+
+static void print_source(uint64_t flags, usec_t rtt) {
+ char rtt_str[FORMAT_TIMESTAMP_MAX];
+
+ if (!arg_legend)
+ return;
+
+ if (flags == 0)
+ return;
+
+ printf("\n%s-- Information acquired via", ansi_grey());
+
+ if (flags != 0)
+ printf(" protocol%s%s%s%s%s",
+ flags & SD_RESOLVED_DNS ? " DNS" :"",
+ flags & SD_RESOLVED_LLMNR_IPV4 ? " LLMNR/IPv4" : "",
+ flags & SD_RESOLVED_LLMNR_IPV6 ? " LLMNR/IPv6" : "",
+ flags & SD_RESOLVED_MDNS_IPV4 ? " mDNS/IPv4" : "",
+ flags & SD_RESOLVED_MDNS_IPV6 ? " mDNS/IPv6" : "");
+
+ assert_se(format_timespan(rtt_str, sizeof(rtt_str), rtt, 100));
+
+ printf(" in %s.%s\n"
+ "%s-- Data is authenticated: %s%s\n",
+ rtt_str, ansi_normal(),
+ ansi_grey(), yes_no(flags & SD_RESOLVED_AUTHENTICATED), ansi_normal());
+}
+
+static void print_ifindex_comment(int printed_so_far, int ifindex) {
+ char ifname[IF_NAMESIZE];
+
+ if (ifindex <= 0)
+ return;
+
+ if (!if_indextoname(ifindex, ifname))
+ log_warning_errno(errno, "Failed to resolve interface name for index %i, ignoring: %m", ifindex);
+ else
+ printf("%*s%s-- link: %s%s",
+ 60 > printed_so_far ? 60 - printed_so_far : 0, " ", /* Align comment to the 60th column */
+ ansi_grey(), ifname, ansi_normal());
+}
+
+static int resolve_host(sd_bus *bus, const char *name) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ const char *canonical = NULL;
+ unsigned c = 0;
+ uint64_t flags;
+ usec_t ts;
+ int r;
+
+ assert(name);
+
+ log_debug("Resolving %s (family %s, interface %s).", name, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
+
+ r = sd_bus_message_new_method_call(
+ bus,
+ &req,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "ResolveHostname");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append(req, "isit", arg_ifindex, name, arg_family, arg_flags);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ ts = now(CLOCK_MONOTONIC);
+
+ r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
+ if (r < 0)
+ return log_error_errno(r, "%s: resolve call failed: %s", name, bus_error_message(&error, r));
+
+ ts = now(CLOCK_MONOTONIC) - ts;
+
+ r = sd_bus_message_enter_container(reply, 'a', "(iiay)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_enter_container(reply, 'r', "iiay")) > 0) {
+ _cleanup_free_ char *pretty = NULL;
+ int ifindex, family, k;
+ const void *a;
+ size_t sz;
+
+ assert_cc(sizeof(int) == sizeof(int32_t));
+
+ r = sd_bus_message_read(reply, "ii", &ifindex, &family);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_read_array(reply, 'y', &a, &sz);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (!IN_SET(family, AF_INET, AF_INET6)) {
+ log_debug("%s: skipping entry with family %d (%s)", name, family, af_to_name(family) ?: "unknown");
+ continue;
+ }
+
+ if (sz != FAMILY_ADDRESS_SIZE(family)) {
+ log_error("%s: systemd-resolved returned address of invalid size %zu for family %s", name, sz, af_to_name(family) ?: "unknown");
+ return -EINVAL;
+ }
+
+ r = in_addr_ifindex_to_string(family, a, ifindex, &pretty);
+ if (r < 0)
+ return log_error_errno(r, "Failed to print address for %s: %m", name);
+
+ k = printf("%*s%s %s%s%s",
+ (int) strlen(name), c == 0 ? name : "", c == 0 ? ":" : " ",
+ ansi_highlight(), pretty, ansi_normal());
+
+ print_ifindex_comment(k, ifindex);
+ fputc('\n', stdout);
+
+ c++;
+ }
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_read(reply, "st", &canonical, &flags);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (!streq(name, canonical))
+ printf("%*s%s (%s)\n",
+ (int) strlen(name), c == 0 ? name : "", c == 0 ? ":" : " ",
+ canonical);
+
+ if (c == 0) {
+ log_error("%s: no addresses found", name);
+ return -ESRCH;
+ }
+
+ print_source(flags, ts);
+
+ return 0;
+}
+
+static int resolve_address(sd_bus *bus, int family, const union in_addr_union *address, int ifindex) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_free_ char *pretty = NULL;
+ uint64_t flags;
+ unsigned c = 0;
+ usec_t ts;
+ int r;
+
+ assert(bus);
+ assert(IN_SET(family, AF_INET, AF_INET6));
+ assert(address);
+
+ if (ifindex <= 0)
+ ifindex = arg_ifindex;
+
+ r = in_addr_ifindex_to_string(family, address, ifindex, &pretty);
+ if (r < 0)
+ return log_oom();
+
+ log_debug("Resolving %s.", pretty);
+
+ r = sd_bus_message_new_method_call(
+ bus,
+ &req,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "ResolveAddress");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append(req, "ii", ifindex, family);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append_array(req, 'y', address, FAMILY_ADDRESS_SIZE(family));
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append(req, "t", arg_flags);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ ts = now(CLOCK_MONOTONIC);
+
+ r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
+ if (r < 0)
+ return log_error_errno(r, "%s: resolve call failed: %s", pretty, bus_error_message(&error, r));
+
+ ts = now(CLOCK_MONOTONIC) - ts;
+
+ r = sd_bus_message_enter_container(reply, 'a', "(is)");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ while ((r = sd_bus_message_enter_container(reply, 'r', "is")) > 0) {
+ const char *n;
+ int k;
+
+ assert_cc(sizeof(int) == sizeof(int32_t));
+
+ r = sd_bus_message_read(reply, "is", &ifindex, &n);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return r;
+
+ k = printf("%*s%s %s%s%s",
+ (int) strlen(pretty), c == 0 ? pretty : "",
+ c == 0 ? ":" : " ",
+ ansi_highlight(), n, ansi_normal());
+
+ print_ifindex_comment(k, ifindex);
+ fputc('\n', stdout);
+
+ c++;
+ }
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_read(reply, "t", &flags);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (c == 0) {
+ log_error("%s: no names found", pretty);
+ return -ESRCH;
+ }
+
+ print_source(flags, ts);
+
+ return 0;
+}
+
+static int output_rr_packet(const void *d, size_t l, int ifindex) {
+ _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL;
+ _cleanup_(dns_packet_unrefp) DnsPacket *p = NULL;
+ int r;
+
+ r = dns_packet_new(&p, DNS_PROTOCOL_DNS, 0, DNS_PACKET_SIZE_MAX);
+ if (r < 0)
+ return log_oom();
+
+ p->refuse_compression = true;
+
+ r = dns_packet_append_blob(p, d, l, NULL);
+ if (r < 0)
+ return log_oom();
+
+ r = dns_packet_read_rr(p, &rr, NULL, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse RR: %m");
+
+ if (arg_raw == RAW_PAYLOAD) {
+ void *data;
+ ssize_t k;
+
+ k = dns_resource_record_payload(rr, &data);
+ if (k < 0)
+ return log_error_errno(k, "Cannot dump RR: %m");
+ fwrite(data, 1, k, stdout);
+ } else {
+ const char *s;
+ int k;
+
+ s = dns_resource_record_to_string(rr);
+ if (!s)
+ return log_oom();
+
+ k = printf("%s", s);
+ print_ifindex_comment(k, ifindex);
+ fputc('\n', stdout);
+ }
+
+ return 0;
+}
+
+static int resolve_record(sd_bus *bus, const char *name, uint16_t class, uint16_t type, bool warn_missing) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ unsigned n = 0;
+ uint64_t flags;
+ int r;
+ usec_t ts;
+ bool needs_authentication = false;
+
+ assert(name);
+
+ log_debug("Resolving %s %s %s (interface %s).", name, dns_class_to_string(class), dns_type_to_string(type), isempty(arg_ifname) ? "*" : arg_ifname);
+
+ r = sd_bus_message_new_method_call(
+ bus,
+ &req,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "ResolveRecord");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append(req, "isqqt", arg_ifindex, name, class, type, arg_flags);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ ts = now(CLOCK_MONOTONIC);
+
+ r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
+ if (r < 0) {
+ if (warn_missing || r != -ENXIO)
+ log_error("%s: resolve call failed: %s", name, bus_error_message(&error, r));
+ return r;
+ }
+
+ ts = now(CLOCK_MONOTONIC) - ts;
+
+ r = sd_bus_message_enter_container(reply, 'a', "(iqqay)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_enter_container(reply, 'r', "iqqay")) > 0) {
+ uint16_t c, t;
+ int ifindex;
+ const void *d;
+ size_t l;
+
+ assert_cc(sizeof(int) == sizeof(int32_t));
+
+ r = sd_bus_message_read(reply, "iqq", &ifindex, &c, &t);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_read_array(reply, 'y', &d, &l);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (arg_raw == RAW_PACKET) {
+ uint64_t u64 = htole64(l);
+
+ fwrite(&u64, sizeof(u64), 1, stdout);
+ fwrite(d, 1, l, stdout);
+ } else {
+ r = output_rr_packet(d, l, ifindex);
+ if (r < 0)
+ return r;
+ }
+
+ if (dns_type_needs_authentication(t))
+ needs_authentication = true;
+
+ n++;
+ }
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_read(reply, "t", &flags);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (n == 0) {
+ if (warn_missing)
+ log_error("%s: no records found", name);
+ return -ESRCH;
+ }
+
+ print_source(flags, ts);
+
+ if ((flags & SD_RESOLVED_AUTHENTICATED) == 0 && needs_authentication) {
+ fflush(stdout);
+
+ fprintf(stderr, "\n%s"
+ "WARNING: The resources shown contain cryptographic key data which could not be\n"
+ " authenticated. It is not suitable to authenticate any communication.\n"
+ " This is usually indication that DNSSEC authentication was not enabled\n"
+ " or is not available for the selected protocol or DNS servers.%s\n",
+ ansi_highlight_red(),
+ ansi_normal());
+ }
+
+ return 0;
+}
+
+static int resolve_rfc4501(sd_bus *bus, const char *name) {
+ uint16_t type = 0, class = 0;
+ const char *p, *q, *n;
+ int r;
+
+ assert(bus);
+ assert(name);
+ assert(startswith(name, "dns:"));
+
+ /* Parse RFC 4501 dns: URIs */
+
+ p = name + 4;
+
+ if (p[0] == '/') {
+ const char *e;
+
+ if (p[1] != '/')
+ goto invalid;
+
+ e = strchr(p + 2, '/');
+ if (!e)
+ goto invalid;
+
+ if (e != p + 2)
+ log_warning("DNS authority specification not supported; ignoring specified authority.");
+
+ p = e + 1;
+ }
+
+ q = strchr(p, '?');
+ if (q) {
+ n = strndupa(p, q - p);
+ q++;
+
+ for (;;) {
+ const char *f;
+
+ f = startswith_no_case(q, "class=");
+ if (f) {
+ _cleanup_free_ char *t = NULL;
+ const char *e;
+
+ if (class != 0)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "DNS class specified twice.");
+
+ e = strchrnul(f, ';');
+ t = strndup(f, e - f);
+ if (!t)
+ return log_oom();
+
+ r = dns_class_from_string(t);
+ if (r < 0)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unknown DNS class %s.", t);
+
+ class = r;
+
+ if (*e == ';') {
+ q = e + 1;
+ continue;
+ }
+
+ break;
+ }
+
+ f = startswith_no_case(q, "type=");
+ if (f) {
+ _cleanup_free_ char *t = NULL;
+ const char *e;
+
+ if (type != 0)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "DNS type specified twice.");
+
+ e = strchrnul(f, ';');
+ t = strndup(f, e - f);
+ if (!t)
+ return log_oom();
+
+ r = dns_type_from_string(t);
+ if (r < 0)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unknown DNS type %s.", t);
+
+ type = r;
+
+ if (*e == ';') {
+ q = e + 1;
+ continue;
+ }
+
+ break;
+ }
+
+ goto invalid;
+ }
+ } else
+ n = p;
+
+ if (class == 0)
+ class = arg_class ?: DNS_CLASS_IN;
+ if (type == 0)
+ type = arg_type ?: DNS_TYPE_A;
+
+ return resolve_record(bus, n, class, type, true);
+
+invalid:
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Invalid DNS URI: %s", name);
+}
+
+static int verb_query(int argc, char **argv, void *userdata) {
+ sd_bus *bus = userdata;
+ char **p;
+ int q, r = 0;
+
+ if (arg_type != 0)
+ STRV_FOREACH(p, argv + 1) {
+ q = resolve_record(bus, *p, arg_class, arg_type, true);
+ if (q < 0)
+ r = q;
+ }
+
+ else
+ STRV_FOREACH(p, argv + 1) {
+ if (startswith(*p, "dns:"))
+ q = resolve_rfc4501(bus, *p);
+ else {
+ int family, ifindex;
+ union in_addr_union a;
+
+ q = in_addr_ifindex_from_string_auto(*p, &family, &a, &ifindex);
+ if (q >= 0)
+ q = resolve_address(bus, family, &a, ifindex);
+ else
+ q = resolve_host(bus, *p);
+ }
+ if (q < 0)
+ r = q;
+ }
+
+ return r;
+}
+
+static int resolve_service(sd_bus *bus, const char *name, const char *type, const char *domain) {
+ const char *canonical_name, *canonical_type, *canonical_domain;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ size_t indent, sz;
+ uint64_t flags;
+ const char *p;
+ unsigned c;
+ usec_t ts;
+ int r;
+
+ assert(bus);
+ assert(domain);
+
+ name = empty_to_null(name);
+ type = empty_to_null(type);
+
+ if (name)
+ log_debug("Resolving service \"%s\" of type %s in %s (family %s, interface %s).", name, type, domain, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
+ else if (type)
+ log_debug("Resolving service type %s of %s (family %s, interface %s).", type, domain, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
+ else
+ log_debug("Resolving service type %s (family %s, interface %s).", domain, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
+
+ r = sd_bus_message_new_method_call(
+ bus,
+ &req,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "ResolveService");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append(req, "isssit", arg_ifindex, name, type, domain, arg_family, arg_flags);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ ts = now(CLOCK_MONOTONIC);
+
+ r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
+ if (r < 0)
+ return log_error_errno(r, "Resolve call failed: %s", bus_error_message(&error, r));
+
+ ts = now(CLOCK_MONOTONIC) - ts;
+
+ r = sd_bus_message_enter_container(reply, 'a', "(qqqsa(iiay)s)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ indent =
+ (name ? strlen(name) + 1 : 0) +
+ (type ? strlen(type) + 1 : 0) +
+ strlen(domain) + 2;
+
+ c = 0;
+ while ((r = sd_bus_message_enter_container(reply, 'r', "qqqsa(iiay)s")) > 0) {
+ uint16_t priority, weight, port;
+ const char *hostname, *canonical;
+
+ r = sd_bus_message_read(reply, "qqqs", &priority, &weight, &port, &hostname);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (name)
+ printf("%*s%s", (int) strlen(name), c == 0 ? name : "", c == 0 ? "/" : " ");
+ if (type)
+ printf("%*s%s", (int) strlen(type), c == 0 ? type : "", c == 0 ? "/" : " ");
+
+ printf("%*s%s %s:%u [priority=%u, weight=%u]\n",
+ (int) strlen(domain), c == 0 ? domain : "",
+ c == 0 ? ":" : " ",
+ hostname, port,
+ priority, weight);
+
+ r = sd_bus_message_enter_container(reply, 'a', "(iiay)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_enter_container(reply, 'r', "iiay")) > 0) {
+ _cleanup_free_ char *pretty = NULL;
+ int ifindex, family, k;
+ const void *a;
+
+ assert_cc(sizeof(int) == sizeof(int32_t));
+
+ r = sd_bus_message_read(reply, "ii", &ifindex, &family);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_read_array(reply, 'y', &a, &sz);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (!IN_SET(family, AF_INET, AF_INET6)) {
+ log_debug("%s: skipping entry with family %d (%s)", name, family, af_to_name(family) ?: "unknown");
+ continue;
+ }
+
+ if (sz != FAMILY_ADDRESS_SIZE(family)) {
+ log_error("%s: systemd-resolved returned address of invalid size %zu for family %s", name, sz, af_to_name(family) ?: "unknown");
+ return -EINVAL;
+ }
+
+ r = in_addr_ifindex_to_string(family, a, ifindex, &pretty);
+ if (r < 0)
+ return log_error_errno(r, "Failed to print address for %s: %m", name);
+
+ k = printf("%*s%s", (int) indent, "", pretty);
+ print_ifindex_comment(k, ifindex);
+ fputc('\n', stdout);
+ }
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_read(reply, "s", &canonical);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (!streq(hostname, canonical))
+ printf("%*s(%s)\n", (int) indent, "", canonical);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ c++;
+ }
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_enter_container(reply, 'a', "ay");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_read_array(reply, 'y', (const void**) &p, &sz)) > 0) {
+ _cleanup_free_ char *escaped = NULL;
+
+ escaped = cescape_length(p, sz);
+ if (!escaped)
+ return log_oom();
+
+ printf("%*s%s\n", (int) indent, "", escaped);
+ }
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_read(reply, "ssst", &canonical_name, &canonical_type, &canonical_domain, &flags);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ canonical_name = empty_to_null(canonical_name);
+ canonical_type = empty_to_null(canonical_type);
+
+ if (!streq_ptr(name, canonical_name) ||
+ !streq_ptr(type, canonical_type) ||
+ !streq_ptr(domain, canonical_domain)) {
+
+ printf("%*s(", (int) indent, "");
+
+ if (canonical_name)
+ printf("%s/", canonical_name);
+ if (canonical_type)
+ printf("%s/", canonical_type);
+
+ printf("%s)\n", canonical_domain);
+ }
+
+ print_source(flags, ts);
+
+ return 0;
+}
+
+static int verb_service(int argc, char **argv, void *userdata) {
+ sd_bus *bus = userdata;
+
+ if (argc == 2)
+ return resolve_service(bus, NULL, NULL, argv[1]);
+ else if (argc == 3)
+ return resolve_service(bus, NULL, argv[1], argv[2]);
+ else
+ return resolve_service(bus, argv[1], argv[2], argv[3]);
+}
+
+static int resolve_openpgp(sd_bus *bus, const char *address) {
+ const char *domain, *full;
+ int r;
+ _cleanup_free_ char *hashed = NULL;
+
+ assert(bus);
+ assert(address);
+
+ domain = strrchr(address, '@');
+ if (!domain)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Address does not contain '@': \"%s\"", address);
+ if (domain == address || domain[1] == '\0')
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Address starts or ends with '@': \"%s\"", address);
+ domain++;
+
+ r = string_hashsum_sha256(address, domain - 1 - address, &hashed);
+ if (r < 0)
+ return log_error_errno(r, "Hashing failed: %m");
+
+ strshorten(hashed, 56);
+
+ full = strjoina(hashed, "._openpgpkey.", domain);
+ log_debug("Looking up \"%s\".", full);
+
+ r = resolve_record(bus, full,
+ arg_class ?: DNS_CLASS_IN,
+ arg_type ?: DNS_TYPE_OPENPGPKEY, false);
+
+ if (IN_SET(r, -ENXIO, -ESRCH)) { /* NXDOMAIN or NODATA? */
+ hashed = mfree(hashed);
+ r = string_hashsum_sha224(address, domain - 1 - address, &hashed);
+ if (r < 0)
+ return log_error_errno(r, "Hashing failed: %m");
+
+ full = strjoina(hashed, "._openpgpkey.", domain);
+ log_debug("Looking up \"%s\".", full);
+
+ return resolve_record(bus, full,
+ arg_class ?: DNS_CLASS_IN,
+ arg_type ?: DNS_TYPE_OPENPGPKEY, true);
+ }
+
+ return r;
+}
+
+static int verb_openpgp(int argc, char **argv, void *userdata) {
+ sd_bus *bus = userdata;
+ char **p;
+ int q, r = 0;
+
+ STRV_FOREACH(p, argv + 1) {
+ q = resolve_openpgp(bus, *p);
+ if (q < 0)
+ r = q;
+ }
+
+ return r;
+}
+
+static int resolve_tlsa(sd_bus *bus, const char *family, const char *address) {
+ const char *port;
+ uint16_t port_num = 443;
+ _cleanup_free_ char *full = NULL;
+ int r;
+
+ assert(bus);
+ assert(address);
+
+ port = strrchr(address, ':');
+ if (port) {
+ r = parse_ip_port(port + 1, &port_num);
+ if (r < 0)
+ return log_error_errno(r, "Invalid port \"%s\".", port + 1);
+
+ address = strndupa(address, port - address);
+ }
+
+ r = asprintf(&full, "_%u._%s.%s",
+ port_num,
+ family,
+ address);
+ if (r < 0)
+ return log_oom();
+
+ log_debug("Looking up \"%s\".", full);
+
+ return resolve_record(bus, full,
+ arg_class ?: DNS_CLASS_IN,
+ arg_type ?: DNS_TYPE_TLSA, true);
+}
+
+static bool service_family_is_valid(const char *s) {
+ return STR_IN_SET(s, "tcp", "udp", "sctp");
+}
+
+static int verb_tlsa(int argc, char **argv, void *userdata) {
+ sd_bus *bus = userdata;
+ char **p, **args = argv + 1;
+ const char *family = "tcp";
+ int q, r = 0;
+
+ if (service_family_is_valid(argv[1])) {
+ family = argv[1];
+ args++;
+ }
+
+ STRV_FOREACH(p, args) {
+ q = resolve_tlsa(bus, family, *p);
+ if (q < 0)
+ r = q;
+ }
+
+ return r;
+}
+
+static int show_statistics(int argc, char **argv, void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ sd_bus *bus = userdata;
+ uint64_t n_current_transactions, n_total_transactions,
+ cache_size, n_cache_hit, n_cache_miss,
+ n_dnssec_secure, n_dnssec_insecure, n_dnssec_bogus, n_dnssec_indeterminate;
+ int r, dnssec_supported;
+
+ assert(bus);
+
+ r = sd_bus_get_property_trivial(bus,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "DNSSECSupported",
+ &error,
+ 'b',
+ &dnssec_supported);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get DNSSEC supported state: %s", bus_error_message(&error, r));
+
+ printf("DNSSEC supported by current servers: %s%s%s\n\n",
+ ansi_highlight(),
+ yes_no(dnssec_supported),
+ ansi_normal());
+
+ r = sd_bus_get_property(bus,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "TransactionStatistics",
+ &error,
+ &reply,
+ "(tt)");
+ if (r < 0)
+ return log_error_errno(r, "Failed to get transaction statistics: %s", bus_error_message(&error, r));
+
+ r = sd_bus_message_read(reply, "(tt)",
+ &n_current_transactions,
+ &n_total_transactions);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ printf("%sTransactions%s\n"
+ "Current Transactions: %" PRIu64 "\n"
+ " Total Transactions: %" PRIu64 "\n",
+ ansi_highlight(),
+ ansi_normal(),
+ n_current_transactions,
+ n_total_transactions);
+
+ reply = sd_bus_message_unref(reply);
+
+ r = sd_bus_get_property(bus,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "CacheStatistics",
+ &error,
+ &reply,
+ "(ttt)");
+ if (r < 0)
+ return log_error_errno(r, "Failed to get cache statistics: %s", bus_error_message(&error, r));
+
+ r = sd_bus_message_read(reply, "(ttt)",
+ &cache_size,
+ &n_cache_hit,
+ &n_cache_miss);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ printf("\n%sCache%s\n"
+ " Current Cache Size: %" PRIu64 "\n"
+ " Cache Hits: %" PRIu64 "\n"
+ " Cache Misses: %" PRIu64 "\n",
+ ansi_highlight(),
+ ansi_normal(),
+ cache_size,
+ n_cache_hit,
+ n_cache_miss);
+
+ reply = sd_bus_message_unref(reply);
+
+ r = sd_bus_get_property(bus,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "DNSSECStatistics",
+ &error,
+ &reply,
+ "(tttt)");
+ if (r < 0)
+ return log_error_errno(r, "Failed to get DNSSEC statistics: %s", bus_error_message(&error, r));
+
+ r = sd_bus_message_read(reply, "(tttt)",
+ &n_dnssec_secure,
+ &n_dnssec_insecure,
+ &n_dnssec_bogus,
+ &n_dnssec_indeterminate);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ printf("\n%sDNSSEC Verdicts%s\n"
+ " Secure: %" PRIu64 "\n"
+ " Insecure: %" PRIu64 "\n"
+ " Bogus: %" PRIu64 "\n"
+ " Indeterminate: %" PRIu64 "\n",
+ ansi_highlight(),
+ ansi_normal(),
+ n_dnssec_secure,
+ n_dnssec_insecure,
+ n_dnssec_bogus,
+ n_dnssec_indeterminate);
+
+ return 0;
+}
+
+static int reset_statistics(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;
+
+ r = sd_bus_call_method(bus,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "ResetStatistics",
+ &error,
+ NULL,
+ NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to reset statistics: %s", bus_error_message(&error, r));
+
+ return 0;
+}
+
+static int flush_caches(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;
+
+ r = sd_bus_call_method(bus,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "FlushCaches",
+ &error,
+ NULL,
+ NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to flush caches: %s", bus_error_message(&error, r));
+
+ return 0;
+}
+
+static int reset_server_features(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;
+
+ r = sd_bus_call_method(bus,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "ResetServerFeatures",
+ &error,
+ NULL,
+ NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to reset server features: %s", bus_error_message(&error, r));
+
+ return 0;
+}
+
+static int read_dns_server_one(sd_bus_message *m, bool with_ifindex, char **ret) {
+ _cleanup_free_ char *pretty = NULL;
+ int ifindex, family, r;
+ const void *a;
+ size_t sz;
+
+ assert(m);
+ assert(ret);
+
+ r = sd_bus_message_enter_container(m, 'r', with_ifindex ? "iiay" : "iay");
+ if (r <= 0)
+ return r;
+
+ if (with_ifindex) {
+ r = sd_bus_message_read(m, "i", &ifindex);
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_bus_message_read(m, "i", &family);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_read_array(m, 'y', &a, &sz);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return r;
+
+ if (with_ifindex && ifindex != 0) {
+ /* only show the global ones here */
+ *ret = NULL;
+ return 1;
+ }
+
+ if (!IN_SET(family, AF_INET, AF_INET6)) {
+ log_debug("Unexpected family, ignoring: %i", family);
+
+ *ret = NULL;
+ return 1;
+ }
+
+ if (sz != FAMILY_ADDRESS_SIZE(family)) {
+ log_debug("Address size mismatch, ignoring.");
+
+ *ret = NULL;
+ return 1;
+ }
+
+ r = in_addr_to_string(family, a, &pretty);
+ if (r < 0)
+ return r;
+
+ *ret = TAKE_PTR(pretty);
+
+ return 1;
+}
+
+static int map_link_dns_servers(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
+ char ***l = userdata;
+ int r;
+
+ assert(bus);
+ assert(member);
+ assert(m);
+ assert(l);
+
+ r = sd_bus_message_enter_container(m, 'a', "(iay)");
+ if (r < 0)
+ return r;
+
+ for (;;) {
+ char *pretty = NULL;
+
+ r = read_dns_server_one(m, false, &pretty);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ break;
+
+ if (isempty(pretty))
+ continue;
+
+ r = strv_consume(l, pretty);
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+static int map_link_current_dns_server(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
+ assert(m);
+ assert(userdata);
+
+ return read_dns_server_one(m, false, userdata);
+}
+
+static int read_domain_one(sd_bus_message *m, bool with_ifindex, char **ret) {
+ _cleanup_free_ char *str = NULL;
+ int ifindex, route_only, r;
+ const char *domain;
+
+ assert(m);
+ assert(ret);
+
+ if (with_ifindex)
+ r = sd_bus_message_read(m, "(isb)", &ifindex, &domain, &route_only);
+ else
+ r = sd_bus_message_read(m, "(sb)", &domain, &route_only);
+ if (r <= 0)
+ return r;
+
+ if (with_ifindex && ifindex != 0) {
+ /* only show the global ones here */
+ *ret = NULL;
+ return 1;
+ }
+
+ if (route_only)
+ str = strappend("~", domain);
+ else
+ str = strdup(domain);
+ if (!str)
+ return -ENOMEM;
+
+ *ret = TAKE_PTR(str);
+
+ return 1;
+}
+
+static int map_link_domains(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
+ char ***l = userdata;
+ int r;
+
+ assert(bus);
+ assert(member);
+ assert(m);
+ assert(l);
+
+ r = sd_bus_message_enter_container(m, 'a', "(sb)");
+ if (r < 0)
+ return r;
+
+ for (;;) {
+ char *pretty = NULL;
+
+ r = read_domain_one(m, false, &pretty);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ break;
+
+ if (isempty(pretty))
+ continue;
+
+ r = strv_consume(l, pretty);
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+static int status_print_strv_ifindex(int ifindex, const char *ifname, char **p) {
+ char **i;
+
+ printf("%sLink %i (%s)%s:",
+ ansi_highlight(), ifindex, ifname, ansi_normal());
+
+ STRV_FOREACH(i, p)
+ printf(" %s", *i);
+
+ printf("\n");
+
+ return 0;
+}
+
+struct link_info {
+ uint64_t scopes_mask;
+ const char *llmnr;
+ const char *mdns;
+ const char *dns_over_tls;
+ const char *dnssec;
+ char *current_dns;
+ char **dns;
+ char **domains;
+ char **ntas;
+ bool dnssec_supported;
+ bool default_route;
+};
+
+static void link_info_clear(struct link_info *p) {
+ free(p->current_dns);
+ strv_free(p->dns);
+ strv_free(p->domains);
+ strv_free(p->ntas);
+}
+
+static int status_ifindex(sd_bus *bus, int ifindex, const char *name, StatusMode mode, bool *empty_line) {
+ static const struct bus_properties_map property_map[] = {
+ { "ScopesMask", "t", NULL, offsetof(struct link_info, scopes_mask) },
+ { "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) },
+ { "DNSSEC", "s", NULL, offsetof(struct link_info, dnssec) },
+ { "DNSSECNegativeTrustAnchors", "as", NULL, offsetof(struct link_info, ntas) },
+ { "DNSSECSupported", "b", NULL, offsetof(struct link_info, dnssec_supported) },
+ {}
+ };
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+ _cleanup_(link_info_clear) struct link_info link_info = {};
+ _cleanup_free_ char *ifi = NULL, *p = NULL;
+ char ifname[IF_NAMESIZE] = "";
+ char **i;
+ int r;
+
+ assert(bus);
+ assert(ifindex > 0);
+
+ if (!name) {
+ if (!if_indextoname(ifindex, ifname))
+ return log_error_errno(errno, "Failed to resolve interface name for %i: %m", ifindex);
+
+ name = ifname;
+ }
+
+ if (asprintf(&ifi, "%i", ifindex) < 0)
+ return log_oom();
+
+ r = sd_bus_path_encode("/org/freedesktop/resolve1/link", ifi, &p);
+ if (r < 0)
+ return log_oom();
+
+ r = bus_map_all_properties(bus,
+ "org.freedesktop.resolve1",
+ p,
+ property_map,
+ BUS_MAP_BOOLEAN_AS_BOOL,
+ &error,
+ &m,
+ &link_info);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get link data for %i: %s", ifindex, bus_error_message(&error, r));
+
+ (void) pager_open(arg_pager_flags);
+
+ if (mode == STATUS_DNS)
+ return status_print_strv_ifindex(ifindex, name, link_info.dns);
+
+ if (mode == STATUS_DOMAIN)
+ return status_print_strv_ifindex(ifindex, name, link_info.domains);
+
+ 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(),
+ strna(link_info.llmnr));
+
+ return 0;
+ }
+
+ if (mode == STATUS_MDNS) {
+ printf("%sLink %i (%s)%s: %s\n",
+ ansi_highlight(), ifindex, name, ansi_normal(),
+ strna(link_info.mdns));
+
+ return 0;
+ }
+
+ if (mode == STATUS_PRIVATE) {
+ printf("%sLink %i (%s)%s: %s\n",
+ ansi_highlight(), ifindex, name, ansi_normal(),
+ strna(link_info.dns_over_tls));
+
+ return 0;
+ }
+
+ if (mode == STATUS_DNSSEC) {
+ printf("%sLink %i (%s)%s: %s\n",
+ ansi_highlight(), ifindex, name, ansi_normal(),
+ strna(link_info.dnssec));
+
+ return 0;
+ }
+
+ if (empty_line && *empty_line)
+ fputc('\n', stdout);
+
+ printf("%sLink %i (%s)%s\n",
+ ansi_highlight(), ifindex, name, ansi_normal());
+
+ if (link_info.scopes_mask == 0)
+ printf(" Current Scopes: none\n");
+ else
+ printf(" Current Scopes:%s%s%s%s%s\n",
+ link_info.scopes_mask & SD_RESOLVED_DNS ? " DNS" : "",
+ link_info.scopes_mask & SD_RESOLVED_LLMNR_IPV4 ? " LLMNR/IPv4" : "",
+ link_info.scopes_mask & SD_RESOLVED_LLMNR_IPV6 ? " LLMNR/IPv6" : "",
+ link_info.scopes_mask & SD_RESOLVED_MDNS_IPV4 ? " mDNS/IPv4" : "",
+ link_info.scopes_mask & SD_RESOLVED_MDNS_IPV6 ? " mDNS/IPv6" : "");
+
+ 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),
+ strna(link_info.dnssec),
+ yes_no(link_info.dnssec_supported));
+
+ if (link_info.current_dns)
+ printf(" Current DNS Server: %s\n", link_info.current_dns);
+
+ STRV_FOREACH(i, link_info.dns) {
+ printf(" %s %s\n",
+ i == link_info.dns ? "DNS Servers:" : " ",
+ *i);
+ }
+
+ STRV_FOREACH(i, link_info.domains) {
+ printf(" %s %s\n",
+ i == link_info.domains ? "DNS Domain:" : " ",
+ *i);
+ }
+
+ STRV_FOREACH(i, link_info.ntas) {
+ printf(" %s %s\n",
+ i == link_info.ntas ? "DNSSEC NTA:" : " ",
+ *i);
+ }
+
+ if (empty_line)
+ *empty_line = true;
+
+ return 0;
+}
+
+static int map_global_dns_servers(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
+ char ***l = userdata;
+ int r;
+
+ assert(bus);
+ assert(member);
+ assert(m);
+ assert(l);
+
+ r = sd_bus_message_enter_container(m, 'a', "(iiay)");
+ if (r < 0)
+ return r;
+
+ for (;;) {
+ char *pretty = NULL;
+
+ r = read_dns_server_one(m, true, &pretty);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ break;
+
+ if (isempty(pretty))
+ continue;
+
+ r = strv_consume(l, pretty);
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+static int map_global_current_dns_server(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
+ assert(m);
+ assert(userdata);
+
+ return read_dns_server_one(m, true, userdata);
+}
+
+static int map_global_domains(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
+ char ***l = userdata;
+ int r;
+
+ assert(bus);
+ assert(member);
+ assert(m);
+ assert(l);
+
+ r = sd_bus_message_enter_container(m, 'a', "(isb)");
+ if (r < 0)
+ return r;
+
+ for (;;) {
+ char *pretty = NULL;
+
+ r = read_domain_one(m, true, &pretty);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ break;
+
+ if (isempty(pretty))
+ continue;
+
+ r = strv_consume(l, pretty);
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+static int status_print_strv_global(char **p) {
+ char **i;
+
+ printf("%sGlobal%s:", ansi_highlight(), ansi_normal());
+
+ STRV_FOREACH(i, p)
+ printf(" %s", *i);
+
+ printf("\n");
+
+ return 0;
+}
+
+struct global_info {
+ char *current_dns;
+ char **dns;
+ char **fallback_dns;
+ char **domains;
+ char **ntas;
+ const char *llmnr;
+ const char *mdns;
+ const char *dns_over_tls;
+ const char *dnssec;
+ bool dnssec_supported;
+};
+
+static void global_info_clear(struct global_info *p) {
+ free(p->current_dns);
+ strv_free(p->dns);
+ strv_free(p->fallback_dns);
+ strv_free(p->domains);
+ strv_free(p->ntas);
+}
+
+static int status_global(sd_bus *bus, StatusMode mode, bool *empty_line) {
+ static const struct bus_properties_map property_map[] = {
+ { "DNS", "a(iiay)", map_global_dns_servers, offsetof(struct global_info, dns) },
+ { "FallbackDNS", "a(iiay)", map_global_dns_servers, offsetof(struct global_info, fallback_dns) },
+ { "CurrentDNSServer", "(iiay)", map_global_current_dns_server, offsetof(struct global_info, current_dns) },
+ { "Domains", "a(isb)", map_global_domains, offsetof(struct global_info, domains) },
+ { "DNSSECNegativeTrustAnchors", "as", NULL, offsetof(struct global_info, ntas) },
+ { "LLMNR", "s", NULL, offsetof(struct global_info, llmnr) },
+ { "MulticastDNS", "s", NULL, offsetof(struct global_info, mdns) },
+ { "DNSOverTLS", "s", NULL, offsetof(struct global_info, dns_over_tls) },
+ { "DNSSEC", "s", NULL, offsetof(struct global_info, dnssec) },
+ { "DNSSECSupported", "b", NULL, offsetof(struct global_info, dnssec_supported) },
+ {}
+ };
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+ _cleanup_(global_info_clear) struct global_info global_info = {};
+ char **i;
+ int r;
+
+ assert(bus);
+ assert(empty_line);
+
+ r = bus_map_all_properties(bus,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ property_map,
+ BUS_MAP_BOOLEAN_AS_BOOL,
+ &error,
+ &m,
+ &global_info);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get global data: %s", bus_error_message(&error, r));
+
+ (void) pager_open(arg_pager_flags);
+
+ if (mode == STATUS_DNS)
+ return status_print_strv_global(global_info.dns);
+
+ if (mode == STATUS_DOMAIN)
+ return status_print_strv_global(global_info.domains);
+
+ if (mode == STATUS_NTA)
+ return status_print_strv_global(global_info.ntas);
+
+ if (mode == STATUS_LLMNR) {
+ printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
+ strna(global_info.llmnr));
+
+ return 0;
+ }
+
+ if (mode == STATUS_MDNS) {
+ printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
+ strna(global_info.mdns));
+
+ return 0;
+ }
+
+ if (mode == STATUS_PRIVATE) {
+ printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
+ strna(global_info.dns_over_tls));
+
+ return 0;
+ }
+
+ if (mode == STATUS_DNSSEC) {
+ printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
+ strna(global_info.dnssec));
+
+ return 0;
+ }
+
+ printf("%sGlobal%s\n", ansi_highlight(), ansi_normal());
+
+ printf(" LLMNR setting: %s\n"
+ "MulticastDNS setting: %s\n"
+ " DNSOverTLS setting: %s\n"
+ " DNSSEC setting: %s\n"
+ " DNSSEC supported: %s\n",
+ strna(global_info.llmnr),
+ strna(global_info.mdns),
+ strna(global_info.dns_over_tls),
+ strna(global_info.dnssec),
+ yes_no(global_info.dnssec_supported));
+
+ if (global_info.current_dns)
+ printf(" Current DNS Server: %s\n", global_info.current_dns);
+
+ STRV_FOREACH(i, global_info.dns) {
+ printf(" %s %s\n",
+ i == global_info.dns ? "DNS Servers:" : " ",
+ *i);
+ }
+
+ STRV_FOREACH(i, global_info.fallback_dns) {
+ printf("%s %s\n",
+ i == global_info.fallback_dns ? "Fallback DNS Servers:" : " ",
+ *i);
+ }
+
+ STRV_FOREACH(i, global_info.domains) {
+ printf(" %s %s\n",
+ i == global_info.domains ? "DNS Domain:" : " ",
+ *i);
+ }
+
+ strv_sort(global_info.ntas);
+ STRV_FOREACH(i, global_info.ntas) {
+ printf(" %s %s\n",
+ i == global_info.ntas ? "DNSSEC NTA:" : " ",
+ *i);
+ }
+
+ *empty_line = true;
+
+ return 0;
+}
+
+static int status_all(sd_bus *bus, StatusMode mode) {
+ _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL;
+ _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
+ sd_netlink_message *i;
+ bool empty_line = false;
+ int r;
+
+ assert(bus);
+
+ r = status_global(bus, mode, &empty_line);
+ if (r < 0)
+ return r;
+
+ r = sd_netlink_open(&rtnl);
+ if (r < 0)
+ return log_error_errno(r, "Failed to connect to netlink: %m");
+
+ r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
+ if (r < 0)
+ return rtnl_log_create_error(r);
+
+ r = sd_netlink_message_request_dump(req, true);
+ if (r < 0)
+ return rtnl_log_create_error(r);
+
+ r = sd_netlink_call(rtnl, req, 0, &reply);
+ if (r < 0)
+ return log_error_errno(r, "Failed to enumerate links: %m");
+
+ r = 0;
+ for (i = reply; i; i = sd_netlink_message_next(i)) {
+ const char *name;
+ int ifindex, q;
+ uint16_t type;
+
+ q = sd_netlink_message_get_type(i, &type);
+ if (q < 0)
+ return rtnl_log_parse_error(q);
+
+ if (type != RTM_NEWLINK)
+ continue;
+
+ q = sd_rtnl_message_link_get_ifindex(i, &ifindex);
+ if (q < 0)
+ return rtnl_log_parse_error(q);
+
+ if (ifindex == LOOPBACK_IFINDEX)
+ continue;
+
+ q = sd_netlink_message_read_string(i, IFLA_IFNAME, &name);
+ if (q < 0)
+ return rtnl_log_parse_error(q);
+
+ q = status_ifindex(bus, ifindex, name, mode, &empty_line);
+ if (q < 0 && r >= 0)
+ r = q;
+ }
+
+ return r;
+}
+
+static int verb_status(int argc, char **argv, void *userdata) {
+ sd_bus *bus = userdata;
+ int q, r = 0;
+
+ if (argc > 1) {
+ char **ifname;
+ bool empty_line = false;
+
+ STRV_FOREACH(ifname, argv + 1) {
+ int ifindex;
+
+ ifindex = parse_ifindex_and_warn(*ifname);
+ if (ifindex < 0)
+ continue;
+
+ q = status_ifindex(bus, ifindex, NULL, STATUS_ALL, &empty_line);
+ if (q < 0)
+ r = q;
+ }
+ } else
+ r = status_all(bus, STATUS_ALL);
+
+ return r;
+}
+
+static int log_interface_is_managed(int r, int ifindex) {
+ char ifname[IFNAMSIZ];
+
+ return log_error_errno(r,
+ "The specified interface %s is managed by systemd-networkd. Operation refused.\n"
+ "Please configure DNS settings for systemd-networkd managed interfaces directly in their .network files.",
+ strna(if_indextoname(ifindex, ifname)));
+}
+
+static int verb_dns(int argc, char **argv, void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
+ sd_bus *bus = userdata;
+ char **p;
+ int r;
+
+ assert(bus);
+
+ if (argc >= 2) {
+ r = ifname_mangle(argv[1]);
+ if (r < 0)
+ return r;
+ }
+
+ if (arg_ifindex <= 0)
+ return status_all(bus, STATUS_DNS);
+
+ if (argc < 3)
+ return status_ifindex(bus, arg_ifindex, NULL, STATUS_DNS, NULL);
+
+ r = sd_bus_message_new_method_call(
+ bus,
+ &req,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "SetLinkDNS");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append(req, "i", arg_ifindex);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_open_container(req, 'a', "(iay)");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ /* If only argument is the empty string, then call SetLinkDNS() with an
+ * empty list, which will clear the list of domains for an interface. */
+ if (!strv_equal(argv + 2, STRV_MAKE(""))) {
+ STRV_FOREACH(p, argv + 2) {
+ struct in_addr_data data;
+
+ r = in_addr_from_string_auto(*p, &data.family, &data.address);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse DNS server address: %s", *p);
+
+ r = sd_bus_message_open_container(req, 'r', "iay");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append(req, "i", data.family);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append_array(req, 'y', &data.address, FAMILY_ADDRESS_SIZE(data.family));
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_close_container(req);
+ if (r < 0)
+ return bus_log_create_error(r);
+ }
+ }
+
+ r = sd_bus_message_close_container(req);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_call(bus, req, 0, &error, NULL);
+ 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 DNS configuration: %s", bus_error_message(&error, r));
+ }
+
+ return 0;
+}
+
+static int verb_domain(int argc, char **argv, void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
+ sd_bus *bus = userdata;
+ char **p;
+ int r;
+
+ assert(bus);
+
+ if (argc >= 2) {
+ r = ifname_mangle(argv[1]);
+ if (r < 0)
+ return r;
+ }
+
+ if (arg_ifindex <= 0)
+ return status_all(bus, STATUS_DOMAIN);
+
+ if (argc < 3)
+ return status_ifindex(bus, arg_ifindex, NULL, STATUS_DOMAIN, NULL);
+
+ r = sd_bus_message_new_method_call(
+ bus,
+ &req,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "SetLinkDomains");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append(req, "i", arg_ifindex);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_open_container(req, 'a', "(sb)");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ /* If only argument is the empty string, then call SetLinkDomains() with an
+ * empty list, which will clear the list of domains for an interface. */
+ if (!strv_equal(argv + 2, STRV_MAKE(""))) {
+ STRV_FOREACH(p, argv + 2) {
+ const char *n;
+
+ n = **p == '~' ? *p + 1 : *p;
+
+ r = dns_name_is_valid(n);
+ if (r < 0)
+ return log_error_errno(r, "Failed to validate specified domain %s: %m", n);
+ if (r == 0) {
+ log_error("Domain not valid: %s", n);
+ return -EINVAL;
+ }
+
+ r = sd_bus_message_append(req, "(sb)", n, **p == '~');
+ if (r < 0)
+ return bus_log_create_error(r);
+ }
+ }
+
+ r = sd_bus_message_close_container(req);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_call(bus, req, 0, &error, NULL);
+ 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 domain configuration: %s", bus_error_message(&error, r));
+ }
+
+ 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;
+ int r;
+
+ assert(bus);
+
+ if (argc >= 2) {
+ r = ifname_mangle(argv[1]);
+ if (r < 0)
+ return r;
+ }
+
+ if (arg_ifindex <= 0)
+ return status_all(bus, STATUS_LLMNR);
+
+ if (argc < 3)
+ return status_ifindex(bus, arg_ifindex, NULL, STATUS_LLMNR, NULL);
+
+ r = sd_bus_call_method(bus,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "SetLinkLLMNR",
+ &error,
+ NULL,
+ "is", arg_ifindex, argv[2]);
+ 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 LLMNR configuration: %s", bus_error_message(&error, r));
+ }
+
+ return 0;
+}
+
+static int verb_mdns(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;
+
+ assert(bus);
+
+ if (argc >= 2) {
+ r = ifname_mangle(argv[1]);
+ if (r < 0)
+ return r;
+ }
+
+ if (arg_ifindex <= 0)
+ return status_all(bus, STATUS_MDNS);
+
+ if (argc < 3)
+ return status_ifindex(bus, arg_ifindex, NULL, STATUS_MDNS, NULL);
+
+ r = sd_bus_call_method(bus,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "SetLinkMulticastDNS",
+ &error,
+ NULL,
+ "is", arg_ifindex, argv[2]);
+ 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 MulticastDNS configuration: %s", bus_error_message(&error, r));
+ }
+
+ return 0;
+}
+
+static int verb_dns_over_tls(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;
+
+ assert(bus);
+
+ if (argc >= 2) {
+ r = ifname_mangle(argv[1]);
+ if (r < 0)
+ return r;
+ }
+
+ if (arg_ifindex <= 0)
+ return status_all(bus, STATUS_PRIVATE);
+
+ if (argc < 3)
+ return status_ifindex(bus, arg_ifindex, NULL, STATUS_PRIVATE, NULL);
+
+ r = sd_bus_call_method(bus,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "SetLinkDNSOverTLS",
+ &error,
+ NULL,
+ "is", arg_ifindex, argv[2]);
+ 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 DNSOverTLS configuration: %s", bus_error_message(&error, r));
+ }
+
+ return 0;
+}
+
+static int verb_dnssec(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;
+
+ assert(bus);
+
+ if (argc >= 2) {
+ r = ifname_mangle(argv[1]);
+ if (r < 0)
+ return r;
+ }
+
+ if (arg_ifindex <= 0)
+ return status_all(bus, STATUS_DNSSEC);
+
+ if (argc < 3)
+ return status_ifindex(bus, arg_ifindex, NULL, STATUS_DNSSEC, NULL);
+
+ r = sd_bus_call_method(bus,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "SetLinkDNSSEC",
+ &error,
+ NULL,
+ "is", arg_ifindex, argv[2]);
+ 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 DNSSEC configuration: %s", bus_error_message(&error, r));
+ }
+
+ return 0;
+}
+
+static int verb_nta(int argc, char **argv, void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
+ sd_bus *bus = userdata;
+ char **p;
+ int r;
+ bool clear;
+
+ assert(bus);
+
+ if (argc >= 2) {
+ r = ifname_mangle(argv[1]);
+ if (r < 0)
+ return r;
+ }
+
+ if (arg_ifindex <= 0)
+ return status_all(bus, STATUS_NTA);
+
+ if (argc < 3)
+ return status_ifindex(bus, arg_ifindex, NULL, STATUS_NTA, NULL);
+
+ /* If only argument is the empty string, then call SetLinkDNSSECNegativeTrustAnchors()
+ * with an empty list, which will clear the list of domains for an interface. */
+ clear = strv_equal(argv + 2, STRV_MAKE(""));
+
+ if (!clear)
+ STRV_FOREACH(p, argv + 2) {
+ r = dns_name_is_valid(*p);
+ if (r < 0)
+ return log_error_errno(r, "Failed to validate specified domain %s: %m", *p);
+ if (r == 0) {
+ log_error("Domain not valid: %s", *p);
+ return -EINVAL;
+ }
+ }
+
+ r = sd_bus_message_new_method_call(
+ bus,
+ &req,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "SetLinkDNSSECNegativeTrustAnchors");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append(req, "i", arg_ifindex);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append_strv(req, clear ? NULL : argv + 2);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_call(bus, req, 0, &error, NULL);
+ 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 DNSSEC NTA configuration: %s", bus_error_message(&error, r));
+ }
+
+ return 0;
+}
+
+static int verb_revert_link(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;
+
+ assert(bus);
+
+ if (argc >= 2) {
+ r = ifname_mangle(argv[1]);
+ if (r < 0)
+ return r;
+ }
+
+ if (arg_ifindex <= 0)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Interface argument required.");
+
+ r = sd_bus_call_method(bus,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "RevertLink",
+ &error,
+ NULL,
+ "i", arg_ifindex);
+ if (r < 0) {
+ if (arg_ifindex_permissive &&
+ sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
+ return 0;
+
+ return log_error_errno(r, "Failed to revert interface configuration: %s", bus_error_message(&error, r));
+ }
+
+ return 0;
+}
+
+static void help_protocol_types(void) {
+ if (arg_legend)
+ puts("Known protocol types:");
+ puts("dns\nllmnr\nllmnr-ipv4\nllmnr-ipv6\nmdns\nmdns-ipv4\nmdns-ipv6");
+}
+
+static void help_dns_types(void) {
+ if (arg_legend)
+ puts("Known DNS RR types:");
+
+ DUMP_STRING_TABLE(dns_type, int, _DNS_TYPE_MAX);
+}
+
+static void help_dns_classes(void) {
+ if (arg_legend)
+ puts("Known DNS RR classes:");
+
+ DUMP_STRING_TABLE(dns_class, int, _DNS_CLASS_MAX);
+}
+
+static int compat_help(void) {
+ _cleanup_free_ char *link = NULL;
+ int r;
+
+ r = terminal_urlify_man("resolvectl", "1", &link);
+ if (r < 0)
+ return log_oom();
+
+ printf("%1$s [OPTIONS...] HOSTNAME|ADDRESS...\n"
+ "%1$s [OPTIONS...] --service [[NAME] TYPE] DOMAIN\n"
+ "%1$s [OPTIONS...] --openpgp EMAIL@DOMAIN...\n"
+ "%1$s [OPTIONS...] --statistics\n"
+ "%1$s [OPTIONS...] --reset-statistics\n"
+ "\n"
+ "Resolve domain names, IPv4 and IPv6 addresses, DNS records, and services.\n\n"
+ " -h --help Show this help\n"
+ " --version Show package version\n"
+ " --no-pager Do not pipe output into a pager\n"
+ " -4 Resolve IPv4 addresses\n"
+ " -6 Resolve IPv6 addresses\n"
+ " -i --interface=INTERFACE Look on interface\n"
+ " -p --protocol=PROTO|help Look via protocol\n"
+ " -t --type=TYPE|help Query RR with DNS type\n"
+ " -c --class=CLASS|help Query RR with DNS class\n"
+ " --service Resolve service (SRV)\n"
+ " --service-address=BOOL Resolve address for services (default: yes)\n"
+ " --service-txt=BOOL Resolve TXT records for services (default: yes)\n"
+ " --openpgp Query OpenPGP public key\n"
+ " --tlsa Query TLS public key\n"
+ " --cname=BOOL Follow CNAME redirects (default: yes)\n"
+ " --search=BOOL Use search domains for single-label names\n"
+ " (default: yes)\n"
+ " --raw[=payload|packet] Dump the answer as binary data\n"
+ " --legend=BOOL Print headers and additional info (default: yes)\n"
+ " --statistics Show resolver statistics\n"
+ " --reset-statistics Reset resolver statistics\n"
+ " --status Show link and server status\n"
+ " --flush-caches Flush all local DNS caches\n"
+ " --reset-server-features\n"
+ " Forget learnt DNS server feature levels\n"
+ " --set-dns=SERVER Set per-interface DNS server address\n"
+ " --set-domain=DOMAIN Set per-interface search domain\n"
+ " --set-llmnr=MODE Set per-interface LLMNR mode\n"
+ " --set-mdns=MODE Set per-interface MulticastDNS mode\n"
+ " --set-dnsovertls=MODE Set per-interface DNS-over-TLS mode\n"
+ " --set-dnssec=MODE Set per-interface DNSSEC mode\n"
+ " --set-nta=DOMAIN Set per-interface DNSSEC NTA\n"
+ " --revert Revert per-interface configuration\n"
+ "\nSee the %2$s for details.\n"
+ , program_invocation_short_name
+ , link
+ );
+
+ return 0;
+}
+
+static int native_help(void) {
+ _cleanup_free_ char *link = NULL;
+ int r;
+
+ r = terminal_urlify_man("resolvectl", "1", &link);
+ if (r < 0)
+ return log_oom();
+
+ printf("%1$s [OPTIONS...] {COMMAND} ...\n"
+ "\n"
+ "Send control commands to the network name resolution manager, or\n"
+ "resolve domain names, IPv4 and IPv6 addresses, DNS records, and services.\n"
+ "\n"
+ " -h --help Show this help\n"
+ " --version Show package version\n"
+ " --no-pager Do not pipe output into a pager\n"
+ " -4 Resolve IPv4 addresses\n"
+ " -6 Resolve IPv6 addresses\n"
+ " -i --interface=INTERFACE Look on interface\n"
+ " -p --protocol=PROTO|help Look via protocol\n"
+ " -t --type=TYPE|help Query RR with DNS type\n"
+ " -c --class=CLASS|help Query RR with DNS class\n"
+ " --service-address=BOOL Resolve address for services (default: yes)\n"
+ " --service-txt=BOOL Resolve TXT records for services (default: yes)\n"
+ " --cname=BOOL Follow CNAME redirects (default: yes)\n"
+ " --search=BOOL Use search domains for single-label names\n"
+ " (default: yes)\n"
+ " --raw[=payload|packet] Dump the answer as binary data\n"
+ " --legend=BOOL Print headers and additional info (default: yes)\n"
+ "\n"
+ "Commands:\n"
+ " query HOSTNAME|ADDRESS... Resolve domain names, IPv4 and IPv6 addresses\n"
+ " service [[NAME] TYPE] DOMAIN Resolve service (SRV)\n"
+ " openpgp EMAIL@DOMAIN... Query OpenPGP public key\n"
+ " tlsa DOMAIN[:PORT]... Query TLS public key\n"
+ " status [LINK...] Show link and server status\n"
+ " statistics Show resolver statistics\n"
+ " reset-statistics Reset resolver statistics\n"
+ " flush-caches Flush all local DNS caches\n"
+ " 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"
+ " dnssec [LINK [MODE]] Get/set per-interface DNSSEC mode\n"
+ " nta [LINK [DOMAIN...]] Get/set per-interface DNSSEC NTA\n"
+ " revert LINK Revert per-interface configuration\n"
+ "\nSee the %2$s for details.\n"
+ , program_invocation_short_name
+ , link
+ );
+
+ return 0;
+}
+
+static int verb_help(int argc, char **argv, void *userdata) {
+ return native_help();
+}
+
+static int compat_parse_argv(int argc, char *argv[]) {
+ enum {
+ ARG_VERSION = 0x100,
+ ARG_LEGEND,
+ ARG_SERVICE,
+ ARG_CNAME,
+ ARG_SERVICE_ADDRESS,
+ ARG_SERVICE_TXT,
+ ARG_OPENPGP,
+ ARG_TLSA,
+ ARG_RAW,
+ ARG_SEARCH,
+ ARG_STATISTICS,
+ ARG_RESET_STATISTICS,
+ ARG_STATUS,
+ ARG_FLUSH_CACHES,
+ ARG_RESET_SERVER_FEATURES,
+ ARG_NO_PAGER,
+ ARG_SET_DNS,
+ ARG_SET_DOMAIN,
+ ARG_SET_LLMNR,
+ ARG_SET_MDNS,
+ ARG_SET_PRIVATE,
+ ARG_SET_DNSSEC,
+ ARG_SET_NTA,
+ ARG_REVERT_LINK,
+ };
+
+ static const struct option options[] = {
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, ARG_VERSION },
+ { "type", required_argument, NULL, 't' },
+ { "class", required_argument, NULL, 'c' },
+ { "legend", required_argument, NULL, ARG_LEGEND },
+ { "interface", required_argument, NULL, 'i' },
+ { "protocol", required_argument, NULL, 'p' },
+ { "cname", required_argument, NULL, ARG_CNAME },
+ { "service", no_argument, NULL, ARG_SERVICE },
+ { "service-address", required_argument, NULL, ARG_SERVICE_ADDRESS },
+ { "service-txt", required_argument, NULL, ARG_SERVICE_TXT },
+ { "openpgp", no_argument, NULL, ARG_OPENPGP },
+ { "tlsa", optional_argument, NULL, ARG_TLSA },
+ { "raw", optional_argument, NULL, ARG_RAW },
+ { "search", required_argument, NULL, ARG_SEARCH },
+ { "statistics", no_argument, NULL, ARG_STATISTICS, },
+ { "reset-statistics", no_argument, NULL, ARG_RESET_STATISTICS },
+ { "status", no_argument, NULL, ARG_STATUS },
+ { "flush-caches", no_argument, NULL, ARG_FLUSH_CACHES },
+ { "reset-server-features", no_argument, NULL, ARG_RESET_SERVER_FEATURES },
+ { "no-pager", no_argument, NULL, ARG_NO_PAGER },
+ { "set-dns", required_argument, NULL, ARG_SET_DNS },
+ { "set-domain", required_argument, NULL, ARG_SET_DOMAIN },
+ { "set-llmnr", required_argument, NULL, ARG_SET_LLMNR },
+ { "set-mdns", required_argument, NULL, ARG_SET_MDNS },
+ { "set-dnsovertls", required_argument, NULL, ARG_SET_PRIVATE },
+ { "set-dnssec", required_argument, NULL, ARG_SET_DNSSEC },
+ { "set-nta", required_argument, NULL, ARG_SET_NTA },
+ { "revert", no_argument, NULL, ARG_REVERT_LINK },
+ {}
+ };
+
+ int c, r;
+
+ assert(argc >= 0);
+ assert(argv);
+
+ while ((c = getopt_long(argc, argv, "h46i:t:c:p:", options, NULL)) >= 0)
+ switch(c) {
+
+ case 'h':
+ return compat_help();
+
+ case ARG_VERSION:
+ return version();
+
+ case '4':
+ arg_family = AF_INET;
+ break;
+
+ case '6':
+ arg_family = AF_INET6;
+ break;
+
+ case 'i':
+ r = ifname_mangle(optarg);
+ if (r < 0)
+ return r;
+ break;
+
+ case 't':
+ if (streq(optarg, "help")) {
+ help_dns_types();
+ return 0;
+ }
+
+ r = dns_type_from_string(optarg);
+ if (r < 0) {
+ log_error("Failed to parse RR record type %s", optarg);
+ return r;
+ }
+ arg_type = (uint16_t) r;
+ assert((int) arg_type == r);
+
+ arg_mode = MODE_RESOLVE_RECORD;
+ break;
+
+ case 'c':
+ if (streq(optarg, "help")) {
+ help_dns_classes();
+ return 0;
+ }
+
+ r = dns_class_from_string(optarg);
+ if (r < 0) {
+ log_error("Failed to parse RR record class %s", optarg);
+ return r;
+ }
+ arg_class = (uint16_t) r;
+ assert((int) arg_class == r);
+
+ break;
+
+ case ARG_LEGEND:
+ r = parse_boolean(optarg);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse --legend= argument");
+
+ arg_legend = r;
+ break;
+
+ case 'p':
+ if (streq(optarg, "help")) {
+ help_protocol_types();
+ return 0;
+ } else if (streq(optarg, "dns"))
+ arg_flags |= SD_RESOLVED_DNS;
+ else if (streq(optarg, "llmnr"))
+ arg_flags |= SD_RESOLVED_LLMNR;
+ else if (streq(optarg, "llmnr-ipv4"))
+ 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
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unknown protocol specifier: %s", optarg);
+
+ break;
+
+ case ARG_SERVICE:
+ arg_mode = MODE_RESOLVE_SERVICE;
+ break;
+
+ case ARG_OPENPGP:
+ arg_mode = MODE_RESOLVE_OPENPGP;
+ break;
+
+ case ARG_TLSA:
+ arg_mode = MODE_RESOLVE_TLSA;
+ if (!optarg || service_family_is_valid(optarg))
+ arg_service_family = optarg;
+ else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unknown service family \"%s\".", optarg);
+ break;
+
+ case ARG_RAW:
+ if (on_tty())
+ return log_error_errno(SYNTHETIC_ERRNO(ENOTTY),
+ "Refusing to write binary data to tty.");
+
+ if (optarg == NULL || streq(optarg, "payload"))
+ arg_raw = RAW_PAYLOAD;
+ else if (streq(optarg, "packet"))
+ arg_raw = RAW_PACKET;
+ else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unknown --raw specifier \"%s\".",
+ optarg);
+
+ arg_legend = false;
+ break;
+
+ case ARG_CNAME:
+ r = parse_boolean(optarg);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse --cname= argument.");
+ SET_FLAG(arg_flags, SD_RESOLVED_NO_CNAME, r == 0);
+ break;
+
+ case ARG_SERVICE_ADDRESS:
+ r = parse_boolean(optarg);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse --service-address= argument.");
+ SET_FLAG(arg_flags, SD_RESOLVED_NO_ADDRESS, r == 0);
+ break;
+
+ case ARG_SERVICE_TXT:
+ r = parse_boolean(optarg);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse --service-txt= argument.");
+ SET_FLAG(arg_flags, SD_RESOLVED_NO_TXT, r == 0);
+ break;
+
+ case ARG_SEARCH:
+ r = parse_boolean(optarg);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse --search argument.");
+ SET_FLAG(arg_flags, SD_RESOLVED_NO_SEARCH, r == 0);
+ break;
+
+ case ARG_STATISTICS:
+ arg_mode = MODE_STATISTICS;
+ break;
+
+ case ARG_RESET_STATISTICS:
+ arg_mode = MODE_RESET_STATISTICS;
+ break;
+
+ case ARG_FLUSH_CACHES:
+ arg_mode = MODE_FLUSH_CACHES;
+ break;
+
+ case ARG_RESET_SERVER_FEATURES:
+ arg_mode = MODE_RESET_SERVER_FEATURES;
+ break;
+
+ case ARG_STATUS:
+ arg_mode = MODE_STATUS;
+ break;
+
+ case ARG_NO_PAGER:
+ arg_pager_flags |= PAGER_DISABLE;
+ break;
+
+ case ARG_SET_DNS:
+ r = strv_extend(&arg_set_dns, optarg);
+ if (r < 0)
+ return log_oom();
+
+ arg_mode = MODE_SET_LINK;
+ break;
+
+ case ARG_SET_DOMAIN:
+ r = strv_extend(&arg_set_domain, optarg);
+ if (r < 0)
+ return log_oom();
+
+ arg_mode = MODE_SET_LINK;
+ break;
+
+ case ARG_SET_LLMNR:
+ arg_set_llmnr = optarg;
+ arg_mode = MODE_SET_LINK;
+ break;
+
+ case ARG_SET_MDNS:
+ arg_set_mdns = optarg;
+ arg_mode = MODE_SET_LINK;
+ break;
+
+ case ARG_SET_PRIVATE:
+ arg_set_dns_over_tls = optarg;
+ arg_mode = MODE_SET_LINK;
+ break;
+
+ case ARG_SET_DNSSEC:
+ arg_set_dnssec = optarg;
+ arg_mode = MODE_SET_LINK;
+ break;
+
+ case ARG_SET_NTA:
+ r = strv_extend(&arg_set_nta, optarg);
+ if (r < 0)
+ return log_oom();
+
+ arg_mode = MODE_SET_LINK;
+ break;
+
+ case ARG_REVERT_LINK:
+ arg_mode = MODE_REVERT_LINK;
+ break;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached("Unhandled option");
+ }
+
+ if (arg_type == 0 && arg_class != 0)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "--class= may only be used in conjunction with --type=.");
+
+ if (arg_type != 0 && arg_mode == MODE_RESOLVE_SERVICE)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "--service and --type= may not be combined.");
+
+ if (arg_type != 0 && arg_class == 0)
+ arg_class = DNS_CLASS_IN;
+
+ if (arg_class != 0 && arg_type == 0)
+ arg_type = DNS_TYPE_A;
+
+ if (IN_SET(arg_mode, MODE_SET_LINK, MODE_REVERT_LINK)) {
+
+ if (arg_ifindex <= 0)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "--set-dns=, --set-domain=, --set-llmnr=, --set-mdns=, --set-dnsovertls=, --set-dnssec=, --set-nta= and --revert require --interface=.");
+ }
+
+ return 1 /* work to do */;
+}
+
+static int native_parse_argv(int argc, char *argv[]) {
+ enum {
+ ARG_VERSION = 0x100,
+ ARG_LEGEND,
+ ARG_CNAME,
+ ARG_SERVICE_ADDRESS,
+ ARG_SERVICE_TXT,
+ ARG_RAW,
+ ARG_SEARCH,
+ ARG_NO_PAGER,
+ };
+
+ static const struct option options[] = {
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, ARG_VERSION },
+ { "type", required_argument, NULL, 't' },
+ { "class", required_argument, NULL, 'c' },
+ { "legend", required_argument, NULL, ARG_LEGEND },
+ { "interface", required_argument, NULL, 'i' },
+ { "protocol", required_argument, NULL, 'p' },
+ { "cname", required_argument, NULL, ARG_CNAME },
+ { "service-address", required_argument, NULL, ARG_SERVICE_ADDRESS },
+ { "service-txt", required_argument, NULL, ARG_SERVICE_TXT },
+ { "raw", optional_argument, NULL, ARG_RAW },
+ { "search", required_argument, NULL, ARG_SEARCH },
+ { "no-pager", no_argument, NULL, ARG_NO_PAGER },
+ {}
+ };
+
+ int c, r;
+
+ assert(argc >= 0);
+ assert(argv);
+
+ while ((c = getopt_long(argc, argv, "h46i:t:c:p:", options, NULL)) >= 0)
+ switch(c) {
+
+ case 'h':
+ return native_help();
+
+ case ARG_VERSION:
+ return version();
+
+ case '4':
+ arg_family = AF_INET;
+ break;
+
+ case '6':
+ arg_family = AF_INET6;
+ break;
+
+ case 'i':
+ r = ifname_mangle(optarg);
+ if (r < 0)
+ return r;
+ break;
+
+ case 't':
+ if (streq(optarg, "help")) {
+ help_dns_types();
+ return 0;
+ }
+
+ r = dns_type_from_string(optarg);
+ if (r < 0) {
+ log_error("Failed to parse RR record type %s", optarg);
+ return r;
+ }
+ arg_type = (uint16_t) r;
+ assert((int) arg_type == r);
+
+ break;
+
+ case 'c':
+ if (streq(optarg, "help")) {
+ help_dns_classes();
+ return 0;
+ }
+
+ r = dns_class_from_string(optarg);
+ if (r < 0) {
+ log_error("Failed to parse RR record class %s", optarg);
+ return r;
+ }
+ arg_class = (uint16_t) r;
+ assert((int) arg_class == r);
+
+ break;
+
+ case ARG_LEGEND:
+ r = parse_boolean(optarg);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse --legend= argument");
+
+ arg_legend = r;
+ break;
+
+ case 'p':
+ if (streq(optarg, "help")) {
+ help_protocol_types();
+ return 0;
+ } else if (streq(optarg, "dns"))
+ arg_flags |= SD_RESOLVED_DNS;
+ else if (streq(optarg, "llmnr"))
+ arg_flags |= SD_RESOLVED_LLMNR;
+ else if (streq(optarg, "llmnr-ipv4"))
+ 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
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unknown protocol specifier: %s",
+ optarg);
+
+ break;
+
+ case ARG_RAW:
+ if (on_tty())
+ return log_error_errno(SYNTHETIC_ERRNO(ENOTTY),
+ "Refusing to write binary data to tty.");
+
+ if (optarg == NULL || streq(optarg, "payload"))
+ arg_raw = RAW_PAYLOAD;
+ else if (streq(optarg, "packet"))
+ arg_raw = RAW_PACKET;
+ else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unknown --raw specifier \"%s\".",
+ optarg);
+
+ arg_legend = false;
+ break;
+
+ case ARG_CNAME:
+ r = parse_boolean(optarg);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse --cname= argument.");
+ SET_FLAG(arg_flags, SD_RESOLVED_NO_CNAME, r == 0);
+ break;
+
+ case ARG_SERVICE_ADDRESS:
+ r = parse_boolean(optarg);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse --service-address= argument.");
+ SET_FLAG(arg_flags, SD_RESOLVED_NO_ADDRESS, r == 0);
+ break;
+
+ case ARG_SERVICE_TXT:
+ r = parse_boolean(optarg);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse --service-txt= argument.");
+ SET_FLAG(arg_flags, SD_RESOLVED_NO_TXT, r == 0);
+ break;
+
+ case ARG_SEARCH:
+ r = parse_boolean(optarg);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse --search argument.");
+ SET_FLAG(arg_flags, SD_RESOLVED_NO_SEARCH, r == 0);
+ break;
+
+ case ARG_NO_PAGER:
+ arg_pager_flags |= PAGER_DISABLE;
+ break;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached("Unhandled option");
+ }
+
+ if (arg_type == 0 && arg_class != 0)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "--class= may only be used in conjunction with --type=.");
+
+ if (arg_type != 0 && arg_class == 0)
+ arg_class = DNS_CLASS_IN;
+
+ if (arg_class != 0 && arg_type == 0)
+ arg_type = DNS_TYPE_A;
+
+ return 1 /* work to do */;
+}
+
+static int native_main(int argc, char *argv[], sd_bus *bus) {
+
+ static const Verb verbs[] = {
+ { "help", VERB_ANY, VERB_ANY, 0, verb_help },
+ { "status", VERB_ANY, VERB_ANY, VERB_DEFAULT, verb_status },
+ { "query", 2, VERB_ANY, 0, verb_query },
+ { "service", 2, 4, 0, verb_service },
+ { "openpgp", 2, VERB_ANY, 0, verb_openpgp },
+ { "tlsa", 2, VERB_ANY, 0, verb_tlsa },
+ { "statistics", VERB_ANY, 1, 0, show_statistics },
+ { "reset-statistics", VERB_ANY, 1, 0, reset_statistics },
+ { "flush-caches", VERB_ANY, 1, 0, flush_caches },
+ { "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 },
+ { "dnssec", VERB_ANY, 3, 0, verb_dnssec },
+ { "nta", VERB_ANY, VERB_ANY, 0, verb_nta },
+ { "revert", VERB_ANY, 2, 0, verb_revert_link },
+ {}
+ };
+
+ return dispatch_verb(argc, argv, verbs, bus);
+}
+
+static int translate(const char *verb, const char *single_arg, size_t num_args, char **args, sd_bus *bus) {
+ char **fake, **p;
+ size_t num, i;
+
+ assert(verb);
+ assert(num_args == 0 || args);
+
+ num = !!single_arg + num_args + 1;
+
+ p = fake = newa0(char *, num + 1);
+ *p++ = (char *) verb;
+ if (single_arg)
+ *p++ = (char *) single_arg;
+ for (i = 0; i < num_args; i++)
+ *p++ = args[i];
+
+ optind = 0;
+ return native_main((int) num, fake, bus);
+}
+
+static int compat_main(int argc, char *argv[], sd_bus *bus) {
+ int r = 0;
+
+ switch (arg_mode) {
+ case MODE_RESOLVE_HOST:
+ case MODE_RESOLVE_RECORD:
+ return translate("query", NULL, argc - optind, argv + optind, bus);
+
+ case MODE_RESOLVE_SERVICE:
+ return translate("service", NULL, argc - optind, argv + optind, bus);
+
+ case MODE_RESOLVE_OPENPGP:
+ return translate("openpgp", NULL, argc - optind, argv + optind, bus);
+
+ case MODE_RESOLVE_TLSA:
+ return translate("tlsa", arg_service_family, argc - optind, argv + optind, bus);
+
+ case MODE_STATISTICS:
+ return translate("statistics", NULL, 0, NULL, bus);
+
+ case MODE_RESET_STATISTICS:
+ return translate("reset-statistics", NULL, 0, NULL, bus);
+
+ case MODE_FLUSH_CACHES:
+ return translate("flush-caches", NULL, 0, NULL, bus);
+
+ case MODE_RESET_SERVER_FEATURES:
+ return translate("reset-server-features", NULL, 0, NULL, bus);
+
+ case MODE_STATUS:
+ return translate("status", NULL, argc - optind, argv + optind, bus);
+
+ case MODE_SET_LINK:
+ assert(arg_ifname);
+
+ if (arg_set_dns) {
+ r = translate("dns", arg_ifname, strv_length(arg_set_dns), arg_set_dns, bus);
+ if (r < 0)
+ return r;
+ }
+
+ if (arg_set_domain) {
+ r = translate("domain", arg_ifname, strv_length(arg_set_domain), arg_set_domain, bus);
+ if (r < 0)
+ return r;
+ }
+
+ if (arg_set_nta) {
+ r = translate("nta", arg_ifname, strv_length(arg_set_nta), arg_set_nta, bus);
+ if (r < 0)
+ return r;
+ }
+
+ if (arg_set_llmnr) {
+ r = translate("llmnr", arg_ifname, 1, (char **) &arg_set_llmnr, bus);
+ if (r < 0)
+ return r;
+ }
+
+ if (arg_set_mdns) {
+ r = translate("mdns", arg_ifname, 1, (char **) &arg_set_mdns, bus);
+ if (r < 0)
+ return r;
+ }
+
+ if (arg_set_dns_over_tls) {
+ r = translate("dnsovertls", arg_ifname, 1, (char **) &arg_set_dns_over_tls, bus);
+ if (r < 0)
+ return r;
+ }
+
+ if (arg_set_dnssec) {
+ r = translate("dnssec", arg_ifname, 1, (char **) &arg_set_dnssec, bus);
+ if (r < 0)
+ return r;
+ }
+
+ return r;
+
+ case MODE_REVERT_LINK:
+ assert(arg_ifname);
+
+ return translate("revert", arg_ifname, 0, NULL, bus);
+
+ case _MODE_INVALID:
+ assert_not_reached("invalid mode");
+ }
+
+ return 0;
+}
+
+static int run(int argc, char **argv) {
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+ int r;
+
+ setlocale(LC_ALL, "");
+ log_parse_environment();
+ log_open();
+
+ if (streq(program_invocation_short_name, "resolvconf"))
+ r = resolvconf_parse_argv(argc, argv);
+ else if (streq(program_invocation_short_name, "systemd-resolve"))
+ r = compat_parse_argv(argc, argv);
+ else
+ r = native_parse_argv(argc, argv);
+ if (r <= 0)
+ return r;
+
+ r = sd_bus_open_system(&bus);
+ if (r < 0)
+ return log_error_errno(r, "sd_bus_open_system: %m");
+
+ if (STR_IN_SET(program_invocation_short_name, "systemd-resolve", "resolvconf"))
+ return compat_main(argc, argv, bus);
+
+ return native_main(argc, argv, bus);
+}
+
+DEFINE_MAIN_FUNCTION(run);