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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
commit55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch)
tree33f869f55a1b149e9b7c2b7e201867ca5dd52992 /src/resolve/resolvectl.c
parentInitial commit. (diff)
downloadsystemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz
systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/resolve/resolvectl.c')
-rw-r--r--src/resolve/resolvectl.c4076
1 files changed, 4076 insertions, 0 deletions
diff --git a/src/resolve/resolvectl.c b/src/resolve/resolvectl.c
new file mode 100644
index 0000000..afa537f
--- /dev/null
+++ b/src/resolve/resolvectl.c
@@ -0,0 +1,4076 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <getopt.h>
+#include <locale.h>
+#include <net/if.h>
+
+#include "sd-bus.h"
+#include "sd-netlink.h"
+
+#include "af-list.h"
+#include "alloc-util.h"
+#include "build.h"
+#include "bus-common-errors.h"
+#include "bus-error.h"
+#include "bus-locator.h"
+#include "bus-map-properties.h"
+#include "bus-message-util.h"
+#include "dns-domain.h"
+#include "errno-list.h"
+#include "escape.h"
+#include "format-table.h"
+#include "format-util.h"
+#include "gcrypt-util.h"
+#include "hostname-util.h"
+#include "json.h"
+#include "main-func.h"
+#include "missing_network.h"
+#include "netlink-util.h"
+#include "openssl-util.h"
+#include "pager.h"
+#include "parse-argument.h"
+#include "parse-util.h"
+#include "pretty-print.h"
+#include "process-util.h"
+#include "resolvconf-compat.h"
+#include "resolve-util.h"
+#include "resolvectl.h"
+#include "resolved-def.h"
+#include "resolved-dns-packet.h"
+#include "resolved-util.h"
+#include "socket-netlink.h"
+#include "sort-util.h"
+#include "stdio-util.h"
+#include "string-table.h"
+#include "strv.h"
+#include "terminal-util.h"
+#include "utf8.h"
+#include "varlink.h"
+#include "verb-log-control.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 JsonFormatFlags arg_json_format_flags = JSON_FORMAT_OFF;
+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;
+
+typedef struct InterfaceInfo {
+ int index;
+ const char *name;
+} InterfaceInfo;
+
+static int interface_info_compare(const InterfaceInfo *a, const InterfaceInfo *b) {
+ int r;
+
+ r = CMP(a->index, b->index);
+ if (r != 0)
+ return r;
+
+ return strcmp_ptr(a->name, b->name);
+}
+
+int ifname_mangle_full(const char *s, bool drop_protocol_specifier) {
+ _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
+ _cleanup_strv_free_ char **found = NULL;
+ int r;
+
+ assert(s);
+
+ if (drop_protocol_specifier) {
+ _cleanup_free_ char *buf = NULL;
+ int ifindex_longest_name = -ENODEV;
+
+ /* When invoked as resolvconf, drop the protocol specifier(s) at the end. */
+
+ buf = strdup(s);
+ if (!buf)
+ return log_oom();
+
+ for (;;) {
+ r = rtnl_resolve_interface(&rtnl, buf);
+ if (r > 0) {
+ if (ifindex_longest_name <= 0)
+ ifindex_longest_name = r;
+
+ r = strv_extend(&found, buf);
+ if (r < 0)
+ return log_oom();
+ }
+
+ char *dot = strrchr(buf, '.');
+ if (!dot)
+ break;
+
+ *dot = '\0';
+ }
+
+ unsigned n = strv_length(found);
+ if (n > 1) {
+ _cleanup_free_ char *joined = NULL;
+
+ joined = strv_join(found, ", ");
+ log_warning("Found multiple interfaces (%s) matching with '%s'. Using '%s' (ifindex=%i).",
+ strna(joined), s, found[0], ifindex_longest_name);
+
+ } else if (n == 1) {
+ const char *proto;
+
+ proto = ASSERT_PTR(startswith(s, found[0]));
+ if (!isempty(proto))
+ log_info("Dropped protocol specifier '%s' from '%s'. Using '%s' (ifindex=%i).",
+ proto, s, found[0], ifindex_longest_name);
+ }
+
+ r = ifindex_longest_name;
+ } else
+ r = rtnl_resolve_interface(&rtnl, s);
+ if (r < 0) {
+ if (ERRNO_IS_DEVICE_ABSENT(r) && arg_ifindex_permissive) {
+ log_debug_errno(r, "Interface '%s' not found, but -f specified, ignoring: %m", s);
+ return 0; /* done */
+ }
+ return log_error_errno(r, "Failed to resolve interface \"%s\": %m", s);
+ }
+
+ if (arg_ifindex > 0 && arg_ifindex != r)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Specified multiple different interfaces. Refusing.");
+
+ arg_ifindex = r;
+ return free_and_strdup_warn(&arg_ifname, found ? found[0] : s); /* found */
+}
+
+static void print_source(uint64_t flags, usec_t rtt) {
+ if (!arg_legend)
+ return;
+
+ if (flags == 0)
+ return;
+
+ printf("\n%s-- Information acquired via", ansi_grey());
+
+ 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" : "");
+
+ printf(" in %s.%s\n"
+ "%s-- Data is authenticated: %s; Data was acquired via local or encrypted transport: %s%s\n",
+ FORMAT_TIMESPAN(rtt, 100),
+ ansi_normal(),
+ ansi_grey(),
+ yes_no(flags & SD_RESOLVED_AUTHENTICATED),
+ yes_no(flags & SD_RESOLVED_CONFIDENTIAL),
+ ansi_normal());
+
+ if ((flags & (SD_RESOLVED_FROM_MASK|SD_RESOLVED_SYNTHETIC)) != 0)
+ printf("%s-- Data from:%s%s%s%s%s%s\n",
+ ansi_grey(),
+ FLAGS_SET(flags, SD_RESOLVED_SYNTHETIC) ? " synthetic" : "",
+ FLAGS_SET(flags, SD_RESOLVED_FROM_CACHE) ? " cache" : "",
+ FLAGS_SET(flags, SD_RESOLVED_FROM_ZONE) ? " zone" : "",
+ FLAGS_SET(flags, SD_RESOLVED_FROM_TRUST_ANCHOR) ? " trust-anchor" : "",
+ FLAGS_SET(flags, SD_RESOLVED_FROM_NETWORK) ? " network" : "",
+ ansi_normal());
+}
+
+static void print_ifindex_comment(int printed_so_far, int ifindex) {
+ char ifname[IF_NAMESIZE];
+ int r;
+
+ if (ifindex <= 0)
+ return;
+
+ r = format_ifname(ifindex, ifname);
+ if (r < 0)
+ return (void) log_warning_errno(r, "Failed to resolve interface name for index %i, ignoring: %m", ifindex);
+
+ 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_error(const char *name, int r, const sd_bus_error *error) {
+ if (sd_bus_error_has_name(error, BUS_ERROR_DNS_NXDOMAIN))
+ return log_error_errno(r, "%s: %s", name, bus_error_message(error, r));
+
+ return log_error_errno(r, "%s: resolve call failed: %s", name, bus_error_message(error, r));
+}
+
+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 = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "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 resolve_host_error(name, r, &error);
+
+ 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;
+ union in_addr_union a;
+
+ assert_cc(sizeof(int) == sizeof(int32_t));
+
+ r = sd_bus_message_read(reply, "i", &ifindex);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ sd_bus_error_free(&error);
+ r = bus_message_read_in_addr_auto(reply, &error, &family, &a);
+ if (r < 0 && !sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS))
+ return log_error_errno(r, "%s: systemd-resolved returned invalid result: %s", name, bus_error_message(&error, r));
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS)) {
+ log_debug_errno(r, "%s: systemd-resolved returned invalid result, ignoring: %s", name, bus_error_message(&error, r));
+ continue;
+ }
+
+ 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)
+ return log_error_errno(SYNTHETIC_ERRNO(ESRCH),
+ "%s: no addresses found", name);
+
+ 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 = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "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)
+ return log_error_errno(SYNTHETIC_ERRNO(ESRCH),
+ "%s: no names found", pretty);
+
+ 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;
+ int r;
+
+ r = dns_resource_record_new_from_raw(&rr, d, l);
+ 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 idna_candidate(const char *name, char **ret) {
+ _cleanup_free_ char *idnafied = NULL;
+ int r;
+
+ assert(name);
+ assert(ret);
+
+ r = dns_name_apply_idna(name, &idnafied);
+ if (r < 0)
+ return log_error_errno(r, "Failed to apply IDNA to name '%s': %m", name);
+ if (r > 0 && !streq(name, idnafied)) {
+ *ret = TAKE_PTR(idnafied);
+ return true;
+ }
+
+ *ret = NULL;
+ return false;
+}
+
+static bool single_label_nonsynthetic(const char *name) {
+ _cleanup_free_ char *first_label = NULL;
+ int r;
+
+ if (!dns_name_is_single_label(name))
+ return false;
+
+ if (is_localhost(name) ||
+ is_gateway_hostname(name) ||
+ is_outbound_hostname(name) ||
+ is_dns_stub_hostname(name) ||
+ is_dns_proxy_stub_hostname(name))
+ return false;
+
+ r = resolve_system_hostname(NULL, &first_label);
+ if (r < 0) {
+ log_warning_errno(r, "Failed to determine the hostname: %m");
+ return false;
+ }
+
+ return !streq(name, first_label);
+}
+
+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;
+ _cleanup_free_ char *idnafied = NULL;
+ bool needs_authentication = false;
+ unsigned n = 0;
+ uint64_t flags;
+ usec_t ts;
+ int r;
+
+ 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);
+
+ if (dns_name_dot_suffixed(name) == 0 && single_label_nonsynthetic(name))
+ log_notice("(Note that search domains are not appended when --type= is specified. "
+ "Please specify fully qualified domain names, or remove --type= switch from invocation in order to request regular hostname resolution.)");
+
+ r = idna_candidate(name, &idnafied);
+ if (r < 0)
+ return r;
+ if (r > 0)
+ log_notice("(Note that IDNA translation is not applied when --type= is specified. "
+ "Please specify translated domain names — i.e. '%s' — when resolving raw records, or remove --type= switch from invocation in order to request regular hostname resolution.",
+ idnafied);
+
+ r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "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_safe(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(r, "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(r, "Unknown DNS type %s: %m", 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;
+ 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 = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "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;
+ union in_addr_union a;
+
+ assert_cc(sizeof(int) == sizeof(int32_t));
+
+ r = sd_bus_message_read(reply, "i", &ifindex);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ sd_bus_error_free(&error);
+ r = bus_message_read_in_addr_auto(reply, &error, &family, &a);
+ if (r < 0 && !sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS))
+ return log_error_errno(r, "%s: systemd-resolved returned invalid result: %s", name, bus_error_message(&error, r));
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS)) {
+ log_debug_errno(r, "%s: systemd-resolved returned invalid result, ignoring: %s", name, bus_error_message(&error, r));
+ continue;
+ }
+
+ 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;
+ 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_safe(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 **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_(table_unrefp) Table *table = NULL;
+ JsonVariant *reply = NULL;
+ _cleanup_(varlink_unrefp) Varlink *vl = NULL;
+ int r;
+
+ r = varlink_connect_address(&vl, "/run/systemd/resolve/io.systemd.Resolve.Monitor");
+ if (r < 0)
+ return log_error_errno(r, "Failed to connect to query monitoring service /run/systemd/resolve/io.systemd.Resolve.Monitor: %m");
+
+ r = varlink_call(vl, "io.systemd.Resolve.Monitor.DumpStatistics", NULL, &reply, NULL, 0);
+ if (r < 0)
+ return log_error_errno(r, "Failed to issue DumpStatistics() varlink call: %m");
+
+ if (!FLAGS_SET(arg_json_format_flags, JSON_FORMAT_OFF))
+ return json_variant_dump(reply, arg_json_format_flags, NULL, NULL);
+
+ struct statistics {
+ JsonVariant *transactions;
+ JsonVariant *cache;
+ JsonVariant *dnssec;
+ } statistics;
+
+ static const JsonDispatch statistics_dispatch_table[] = {
+ { "transactions", JSON_VARIANT_OBJECT, json_dispatch_variant_noref, offsetof(struct statistics, transactions), JSON_MANDATORY },
+ { "cache", JSON_VARIANT_OBJECT, json_dispatch_variant_noref, offsetof(struct statistics, cache), JSON_MANDATORY },
+ { "dnssec", JSON_VARIANT_OBJECT, json_dispatch_variant_noref, offsetof(struct statistics, dnssec), JSON_MANDATORY },
+ {},
+ };
+
+ r = json_dispatch(reply, statistics_dispatch_table, JSON_LOG, &statistics);
+ if (r < 0)
+ return r;
+
+ struct transactions {
+ uint64_t n_current_transactions;
+ uint64_t n_transactions_total;
+ uint64_t n_timeouts_total;
+ uint64_t n_timeouts_served_stale_total;
+ uint64_t n_failure_responses_total;
+ uint64_t n_failure_responses_served_stale_total;
+ } transactions;
+
+ static const JsonDispatch transactions_dispatch_table[] = {
+ { "currentTransactions", _JSON_VARIANT_TYPE_INVALID, json_dispatch_uint64, offsetof(struct transactions, n_current_transactions), JSON_MANDATORY },
+ { "totalTransactions", _JSON_VARIANT_TYPE_INVALID, json_dispatch_uint64, offsetof(struct transactions, n_transactions_total), JSON_MANDATORY },
+ { "totalTimeouts", _JSON_VARIANT_TYPE_INVALID, json_dispatch_uint64, offsetof(struct transactions, n_timeouts_total), JSON_MANDATORY },
+ { "totalTimeoutsServedStale", _JSON_VARIANT_TYPE_INVALID, json_dispatch_uint64, offsetof(struct transactions, n_timeouts_served_stale_total), JSON_MANDATORY },
+ { "totalFailedResponses", _JSON_VARIANT_TYPE_INVALID, json_dispatch_uint64, offsetof(struct transactions, n_failure_responses_total), JSON_MANDATORY },
+ { "totalFailedResponsesServedStale", _JSON_VARIANT_TYPE_INVALID, json_dispatch_uint64, offsetof(struct transactions, n_failure_responses_served_stale_total), JSON_MANDATORY },
+ {},
+ };
+
+ r = json_dispatch(statistics.transactions, transactions_dispatch_table, JSON_LOG, &transactions);
+ if (r < 0)
+ return r;
+
+ struct cache {
+ uint64_t cache_size;
+ uint64_t n_cache_hit;
+ uint64_t n_cache_miss;
+ } cache;
+
+ static const JsonDispatch cache_dispatch_table[] = {
+ { "size", _JSON_VARIANT_TYPE_INVALID, json_dispatch_uint64, offsetof(struct cache, cache_size), JSON_MANDATORY },
+ { "hits", _JSON_VARIANT_TYPE_INVALID, json_dispatch_uint64, offsetof(struct cache, n_cache_hit), JSON_MANDATORY },
+ { "misses", _JSON_VARIANT_TYPE_INVALID, json_dispatch_uint64, offsetof(struct cache, n_cache_miss), JSON_MANDATORY },
+ {},
+ };
+
+ r = json_dispatch(statistics.cache, cache_dispatch_table, JSON_LOG, &cache);
+ if (r < 0)
+ return r;
+
+ struct dnsssec {
+ uint64_t n_dnssec_secure;
+ uint64_t n_dnssec_insecure;
+ uint64_t n_dnssec_bogus;
+ uint64_t n_dnssec_indeterminate;
+ } dnsssec;
+
+ static const JsonDispatch dnssec_dispatch_table[] = {
+ { "secure", _JSON_VARIANT_TYPE_INVALID, json_dispatch_uint64, offsetof(struct dnsssec, n_dnssec_secure), JSON_MANDATORY },
+ { "insecure", _JSON_VARIANT_TYPE_INVALID, json_dispatch_uint64, offsetof(struct dnsssec, n_dnssec_insecure), JSON_MANDATORY },
+ { "bogus", _JSON_VARIANT_TYPE_INVALID, json_dispatch_uint64, offsetof(struct dnsssec, n_dnssec_bogus), JSON_MANDATORY },
+ { "indeterminate", _JSON_VARIANT_TYPE_INVALID, json_dispatch_uint64, offsetof(struct dnsssec, n_dnssec_indeterminate), JSON_MANDATORY },
+ {},
+ };
+
+ r = json_dispatch(statistics.dnssec, dnssec_dispatch_table, JSON_LOG, &dnsssec);
+ if (r < 0)
+ return r;
+
+ table = table_new_vertical();
+ if (!table)
+ return log_oom();
+
+ r = table_add_many(table,
+ TABLE_STRING, "Transactions",
+ TABLE_SET_COLOR, ansi_highlight(),
+ TABLE_SET_ALIGN_PERCENT, 0,
+ TABLE_EMPTY,
+ TABLE_FIELD, "Current Transactions",
+ TABLE_SET_ALIGN_PERCENT, 100,
+ TABLE_UINT64, transactions.n_current_transactions,
+ TABLE_SET_ALIGN_PERCENT, 100,
+ TABLE_FIELD, "Total Transactions",
+ TABLE_UINT64, transactions.n_transactions_total,
+ TABLE_EMPTY, TABLE_EMPTY,
+ TABLE_STRING, "Cache",
+ TABLE_SET_COLOR, ansi_highlight(),
+ TABLE_SET_ALIGN_PERCENT, 0,
+ TABLE_EMPTY,
+ TABLE_FIELD, "Current Cache Size",
+ TABLE_SET_ALIGN_PERCENT, 100,
+ TABLE_UINT64, cache.cache_size,
+ TABLE_FIELD, "Cache Hits",
+ TABLE_UINT64, cache.n_cache_hit,
+ TABLE_FIELD, "Cache Misses",
+ TABLE_UINT64, cache.n_cache_miss,
+ TABLE_EMPTY, TABLE_EMPTY,
+ TABLE_STRING, "Failure Transactions",
+ TABLE_SET_COLOR, ansi_highlight(),
+ TABLE_SET_ALIGN_PERCENT, 0,
+ TABLE_EMPTY,
+ TABLE_FIELD, "Total Timeouts",
+ TABLE_SET_ALIGN_PERCENT, 100,
+ TABLE_UINT64, transactions.n_timeouts_total,
+ TABLE_FIELD, "Total Timeouts (Stale Data Served)",
+ TABLE_UINT64, transactions.n_timeouts_served_stale_total,
+ TABLE_FIELD, "Total Failure Responses",
+ TABLE_UINT64, transactions.n_failure_responses_total,
+ TABLE_FIELD, "Total Failure Responses (Stale Data Served)",
+ TABLE_UINT64, transactions.n_failure_responses_served_stale_total,
+ TABLE_EMPTY, TABLE_EMPTY,
+ TABLE_STRING, "DNSSEC Verdicts",
+ TABLE_SET_COLOR, ansi_highlight(),
+ TABLE_SET_ALIGN_PERCENT, 0,
+ TABLE_EMPTY,
+ TABLE_FIELD, "Secure",
+ TABLE_SET_ALIGN_PERCENT, 100,
+ TABLE_UINT64, dnsssec.n_dnssec_secure,
+ TABLE_FIELD, "Insecure",
+ TABLE_UINT64, dnsssec.n_dnssec_insecure,
+ TABLE_FIELD, "Bogus",
+ TABLE_UINT64, dnsssec.n_dnssec_bogus,
+ TABLE_FIELD, "Indeterminate",
+ TABLE_UINT64, dnsssec.n_dnssec_indeterminate
+ );
+ if (r < 0)
+ return table_log_add_error(r);
+
+ r = table_print(table, NULL);
+ if (r < 0)
+ return table_log_print_error(r);
+
+ return 0;
+}
+
+static int reset_statistics(int argc, char **argv, void *userdata) {
+ JsonVariant *reply = NULL;
+ _cleanup_(varlink_unrefp) Varlink *vl = NULL;
+ int r;
+
+ r = varlink_connect_address(&vl, "/run/systemd/resolve/io.systemd.Resolve.Monitor");
+ if (r < 0)
+ return log_error_errno(r, "Failed to connect to query monitoring service /run/systemd/resolve/io.systemd.Resolve.Monitor: %m");
+
+ r = varlink_call(vl, "io.systemd.Resolve.Monitor.ResetStatistics", NULL, &reply, NULL, 0);
+ if (r < 0)
+ return log_error_errno(r, "Failed to issue ResetStatistics() varlink call: %m");
+
+ if (!FLAGS_SET(arg_json_format_flags, JSON_FORMAT_OFF))
+ return json_variant_dump(reply, arg_json_format_flags, NULL, NULL);
+
+ 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 = bus_call_method(bus, bus_resolve_mgr, "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 = bus_call_method(bus, bus_resolve_mgr, "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, /* read "ifindex" reply that also carries an interface index */
+ bool extended, /* read "extended" reply, i.e. with port number and server name */
+ bool only_global, /* suppress entries with an (non-loopback) ifindex set (i.e. which are specific to some interface) */
+ char **ret) {
+
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_free_ char *pretty = NULL;
+ union in_addr_union a;
+ const char *name = NULL;
+ int32_t ifindex = 0;
+ int family, r, k;
+ uint16_t port = 0;
+
+ assert(m);
+ assert(ret);
+
+ r = sd_bus_message_enter_container(
+ m,
+ 'r',
+ with_ifindex ? (extended ? "iiayqs" : "iiay") :
+ (extended ? "iayqs" : "iay"));
+ if (r <= 0)
+ return r;
+
+ if (with_ifindex) {
+ r = sd_bus_message_read(m, "i", &ifindex);
+ if (r < 0)
+ return r;
+ }
+
+ k = bus_message_read_in_addr_auto(m, &error, &family, &a);
+ if (k < 0 && !sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS))
+ return k;
+
+ if (extended) {
+ r = sd_bus_message_read(m, "q", &port);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_read(m, "s", &name);
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return r;
+
+ if (k < 0) {
+ log_debug("Invalid DNS server, ignoring: %s", bus_error_message(&error, k));
+ *ret = NULL;
+ return 1;
+ }
+
+ if (only_global && ifindex > 0 && ifindex != LOOPBACK_IFINDEX) {
+ /* This one has an (non-loopback) ifindex set, and we were told to suppress those. Hence do so. */
+ *ret = NULL;
+ return 1;
+ }
+
+ r = in_addr_port_ifindex_name_to_string(family, &a, port, ifindex, name, &pretty);
+ if (r < 0)
+ return r;
+
+ *ret = TAKE_PTR(pretty);
+ return 1;
+}
+
+static int map_link_dns_servers_internal(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata, bool extended) {
+ char ***l = ASSERT_PTR(userdata);
+ int r;
+
+ assert(bus);
+ assert(member);
+ assert(m);
+
+ r = sd_bus_message_enter_container(m, 'a', extended ? "(iayqs)" : "(iay)");
+ if (r < 0)
+ return r;
+
+ for (;;) {
+ _cleanup_free_ char *pretty = NULL;
+
+ r = read_dns_server_one(m, /* with_ifindex= */ false, extended, /* only_global= */ false, &pretty);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ break;
+
+ if (isempty(pretty))
+ continue;
+
+ r = strv_consume(l, TAKE_PTR(pretty));
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+static int map_link_dns_servers(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
+ return map_link_dns_servers_internal(bus, member, m, error, userdata, false);
+}
+
+static int map_link_dns_servers_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
+ return map_link_dns_servers_internal(bus, member, m, error, userdata, true);
+}
+
+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, /* with_ifindex= */ false, /* extended= */ false, /* only_global= */ false, userdata);
+}
+
+static int map_link_current_dns_server_ex(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, /* with_ifindex= */ false, /* extended= */ true, /* only_global= */ 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 = strjoin("~", 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 = ASSERT_PTR(userdata);
+ int r;
+
+ assert(bus);
+ assert(member);
+ assert(m);
+
+ r = sd_bus_message_enter_container(m, 'a', "(sb)");
+ if (r < 0)
+ return r;
+
+ for (;;) {
+ _cleanup_free_ 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, TAKE_PTR(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) {
+ const unsigned indent = strlen("Global: "); /* Use the same indentation everywhere to make things nice */
+ int pos1, pos2;
+
+ if (ifname)
+ printf("%s%nLink %i (%s)%n%s:", ansi_highlight(), &pos1, ifindex, ifname, &pos2, ansi_normal());
+ else
+ printf("%s%nGlobal%n%s:", ansi_highlight(), &pos1, &pos2, ansi_normal());
+
+ size_t cols = columns(), position = pos2 - pos1 + 2;
+
+ STRV_FOREACH(i, p) {
+ size_t our_len = utf8_console_width(*i); /* This returns -1 on invalid utf-8 (which shouldn't happen).
+ * If that happens, we'll just print one item per line. */
+
+ if (position <= indent || size_add(size_add(position, 1), our_len) < cols) {
+ printf(" %s", *i);
+ position = size_add(size_add(position, 1), our_len);
+ } else {
+ printf("\n%*s%s", (int) indent, "", *i);
+ position = size_add(our_len, indent);
+ }
+ }
+
+ printf("\n");
+
+ return 0;
+}
+
+static int status_print_strv_global(char **p) {
+ return status_print_strv_ifindex(0, NULL, p);
+}
+
+typedef struct LinkInfo {
+ uint64_t scopes_mask;
+ const char *llmnr;
+ const char *mdns;
+ const char *dns_over_tls;
+ const char *dnssec;
+ char *current_dns;
+ char *current_dns_ex;
+ char **dns;
+ char **dns_ex;
+ char **domains;
+ char **ntas;
+ bool dnssec_supported;
+ bool default_route;
+} LinkInfo;
+
+typedef struct GlobalInfo {
+ char *current_dns;
+ char *current_dns_ex;
+ char **dns;
+ char **dns_ex;
+ char **fallback_dns;
+ char **fallback_dns_ex;
+ char **domains;
+ char **ntas;
+ const char *llmnr;
+ const char *mdns;
+ const char *dns_over_tls;
+ const char *dnssec;
+ const char *resolv_conf_mode;
+ bool dnssec_supported;
+} GlobalInfo;
+
+static void link_info_clear(LinkInfo *p) {
+ free(p->current_dns);
+ free(p->current_dns_ex);
+ strv_free(p->dns);
+ strv_free(p->dns_ex);
+ strv_free(p->domains);
+ strv_free(p->ntas);
+}
+
+static void global_info_clear(GlobalInfo *p) {
+ free(p->current_dns);
+ free(p->current_dns_ex);
+ strv_free(p->dns);
+ strv_free(p->dns_ex);
+ strv_free(p->fallback_dns);
+ strv_free(p->fallback_dns_ex);
+ strv_free(p->domains);
+ strv_free(p->ntas);
+}
+
+static int dump_list(Table *table, const char *field, char * const *l) {
+ int r;
+
+ if (strv_isempty(l))
+ return 0;
+
+ r = table_add_many(table,
+ TABLE_FIELD, field,
+ TABLE_STRV_WRAPPED, l);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ return 0;
+}
+
+static int strv_extend_extended_bool(char ***strv, const char *name, const char *value) {
+ int r;
+
+ if (value) {
+ r = parse_boolean(value);
+ if (r >= 0)
+ return strv_extendf(strv, "%s%s", plus_minus(r), name);
+ }
+
+ return strv_extendf(strv, "%s=%s", name, value ?: "???");
+}
+
+static char** link_protocol_status(const LinkInfo *info) {
+ _cleanup_strv_free_ char **s = NULL;
+
+ if (strv_extendf(&s, "%sDefaultRoute", plus_minus(info->default_route)) < 0)
+ return NULL;
+
+ if (strv_extend_extended_bool(&s, "LLMNR", info->llmnr) < 0)
+ return NULL;
+
+ if (strv_extend_extended_bool(&s, "mDNS", info->mdns) < 0)
+ return NULL;
+
+ if (strv_extend_extended_bool(&s, "DNSOverTLS", info->dns_over_tls) < 0)
+ return NULL;
+
+ if (strv_extendf(&s, "DNSSEC=%s/%s",
+ info->dnssec ?: "???",
+ info->dnssec_supported ? "supported" : "unsupported") < 0)
+ return NULL;
+
+ return TAKE_PTR(s);
+}
+
+static char** global_protocol_status(const GlobalInfo *info) {
+ _cleanup_strv_free_ char **s = NULL;
+
+ if (strv_extend_extended_bool(&s, "LLMNR", info->llmnr) < 0)
+ return NULL;
+
+ if (strv_extend_extended_bool(&s, "mDNS", info->mdns) < 0)
+ return NULL;
+
+ if (strv_extend_extended_bool(&s, "DNSOverTLS", info->dns_over_tls) < 0)
+ return NULL;
+
+ if (strv_extendf(&s, "DNSSEC=%s/%s",
+ info->dnssec ?: "???",
+ info->dnssec_supported ? "supported" : "unsupported") < 0)
+ return NULL;
+
+ return TAKE_PTR(s);
+}
+
+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(LinkInfo, scopes_mask) },
+ { "DNS", "a(iay)", map_link_dns_servers, offsetof(LinkInfo, dns) },
+ { "DNSEx", "a(iayqs)", map_link_dns_servers_ex, offsetof(LinkInfo, dns_ex) },
+ { "CurrentDNSServer", "(iay)", map_link_current_dns_server, offsetof(LinkInfo, current_dns) },
+ { "CurrentDNSServerEx", "(iayqs)", map_link_current_dns_server_ex, offsetof(LinkInfo, current_dns_ex) },
+ { "Domains", "a(sb)", map_link_domains, offsetof(LinkInfo, domains) },
+ { "DefaultRoute", "b", NULL, offsetof(LinkInfo, default_route) },
+ { "LLMNR", "s", NULL, offsetof(LinkInfo, llmnr) },
+ { "MulticastDNS", "s", NULL, offsetof(LinkInfo, mdns) },
+ { "DNSOverTLS", "s", NULL, offsetof(LinkInfo, dns_over_tls) },
+ { "DNSSEC", "s", NULL, offsetof(LinkInfo, dnssec) },
+ { "DNSSECNegativeTrustAnchors", "as", bus_map_strv_sort, offsetof(LinkInfo, ntas) },
+ { "DNSSECSupported", "b", NULL, offsetof(LinkInfo, 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) LinkInfo link_info = {};
+ _cleanup_(table_unrefp) Table *table = NULL;
+ _cleanup_free_ char *p = NULL;
+ char ifi[DECIMAL_STR_MAX(int)], ifname[IF_NAMESIZE];
+ int r;
+
+ assert(bus);
+ assert(ifindex > 0);
+
+ if (!name) {
+ r = format_ifname(ifindex, ifname);
+ if (r < 0)
+ return log_error_errno(r, "Failed to resolve interface name for %i: %m", ifindex);
+
+ name = ifname;
+ }
+
+ xsprintf(ifi, "%i", ifindex);
+ 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));
+
+ pager_open(arg_pager_flags);
+
+ if (mode == STATUS_DNS)
+ return status_print_strv_ifindex(ifindex, name, link_info.dns_ex ?: 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());
+
+ table = table_new_vertical();
+ if (!table)
+ return log_oom();
+
+ r = table_add_many(table,
+ TABLE_FIELD, "Current Scopes",
+ TABLE_SET_MINIMUM_WIDTH, 19);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ if (link_info.scopes_mask == 0)
+ r = table_add_cell(table, NULL, TABLE_STRING, "none");
+ else {
+ _cleanup_free_ char *buf = NULL;
+ size_t len;
+
+ if (asprintf(&buf, "%s%s%s%s%s",
+ 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 " : "") < 0)
+ return log_oom();
+
+ len = strlen(buf);
+ assert(len > 0);
+ buf[len - 1] = '\0';
+
+ r = table_add_cell(table, NULL, TABLE_STRING, buf);
+ }
+ if (r < 0)
+ return table_log_add_error(r);
+
+ _cleanup_strv_free_ char **pstatus = link_protocol_status(&link_info);
+ if (!pstatus)
+ return log_oom();
+
+ r = table_add_many(table,
+ TABLE_FIELD, "Protocols",
+ TABLE_STRV_WRAPPED, pstatus);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ if (link_info.current_dns) {
+ r = table_add_many(table,
+ TABLE_FIELD, "Current DNS Server",
+ TABLE_STRING, link_info.current_dns_ex ?: link_info.current_dns);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ r = dump_list(table, "DNS Servers", link_info.dns_ex ?: link_info.dns);
+ if (r < 0)
+ return r;
+
+ r = dump_list(table, "DNS Domain", link_info.domains);
+ if (r < 0)
+ return r;
+
+ r = table_print(table, NULL);
+ if (r < 0)
+ return table_log_print_error(r);
+
+ if (empty_line)
+ *empty_line = true;
+
+ return 0;
+}
+
+static int map_global_dns_servers_internal(
+ sd_bus *bus,
+ const char *member,
+ sd_bus_message *m,
+ sd_bus_error *error,
+ void *userdata,
+ bool extended) {
+
+ char ***l = ASSERT_PTR(userdata);
+ int r;
+
+ assert(bus);
+ assert(member);
+ assert(m);
+
+ r = sd_bus_message_enter_container(m, 'a', extended ? "(iiayqs)" : "(iiay)");
+ if (r < 0)
+ return r;
+
+ for (;;) {
+ _cleanup_free_ char *pretty = NULL;
+
+ r = read_dns_server_one(m, /* with_ifindex= */ true, extended, /* only_global= */ true, &pretty);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ break;
+
+ if (isempty(pretty))
+ continue;
+
+ r = strv_consume(l, TAKE_PTR(pretty));
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+static int map_global_dns_servers(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
+ return map_global_dns_servers_internal(bus, member, m, error, userdata, /* extended= */ false);
+}
+
+static int map_global_dns_servers_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
+ return map_global_dns_servers_internal(bus, member, m, error, userdata, /* extended= */ true);
+}
+
+static int map_global_current_dns_server(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
+ return read_dns_server_one(m, /* with_ifindex= */ true, /* extended= */ false, /* only_global= */ true, userdata);
+}
+
+static int map_global_current_dns_server_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
+ return read_dns_server_one(m, /* with_ifindex= */ true, /* extended= */ true, /* only_global= */ 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 = ASSERT_PTR(userdata);
+ int r;
+
+ assert(bus);
+ assert(member);
+ assert(m);
+
+ r = sd_bus_message_enter_container(m, 'a', "(isb)");
+ if (r < 0)
+ return r;
+
+ for (;;) {
+ _cleanup_free_ 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, TAKE_PTR(pretty));
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return r;
+
+ strv_sort(*l);
+
+ return 0;
+}
+
+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(GlobalInfo, dns) },
+ { "DNSEx", "a(iiayqs)", map_global_dns_servers_ex, offsetof(GlobalInfo, dns_ex) },
+ { "FallbackDNS", "a(iiay)", map_global_dns_servers, offsetof(GlobalInfo, fallback_dns) },
+ { "FallbackDNSEx", "a(iiayqs)", map_global_dns_servers_ex, offsetof(GlobalInfo, fallback_dns_ex) },
+ { "CurrentDNSServer", "(iiay)", map_global_current_dns_server, offsetof(GlobalInfo, current_dns) },
+ { "CurrentDNSServerEx", "(iiayqs)", map_global_current_dns_server_ex, offsetof(GlobalInfo, current_dns_ex) },
+ { "Domains", "a(isb)", map_global_domains, offsetof(GlobalInfo, domains) },
+ { "DNSSECNegativeTrustAnchors", "as", bus_map_strv_sort, offsetof(GlobalInfo, ntas) },
+ { "LLMNR", "s", NULL, offsetof(GlobalInfo, llmnr) },
+ { "MulticastDNS", "s", NULL, offsetof(GlobalInfo, mdns) },
+ { "DNSOverTLS", "s", NULL, offsetof(GlobalInfo, dns_over_tls) },
+ { "DNSSEC", "s", NULL, offsetof(GlobalInfo, dnssec) },
+ { "DNSSECSupported", "b", NULL, offsetof(GlobalInfo, dnssec_supported) },
+ { "ResolvConfMode", "s", NULL, offsetof(GlobalInfo, resolv_conf_mode) },
+ {}
+ };
+ _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) GlobalInfo global_info = {};
+ _cleanup_(table_unrefp) Table *table = NULL;
+ 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));
+
+ pager_open(arg_pager_flags);
+
+ if (mode == STATUS_DNS)
+ return status_print_strv_global(global_info.dns_ex ?: 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());
+
+ table = table_new_vertical();
+ if (!table)
+ return log_oom();
+
+ _cleanup_strv_free_ char **pstatus = global_protocol_status(&global_info);
+ if (!pstatus)
+ return log_oom();
+
+ r = table_add_many(table,
+ TABLE_FIELD, "Protocols",
+ TABLE_SET_MINIMUM_WIDTH, 19,
+ TABLE_STRV_WRAPPED, pstatus);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ if (global_info.resolv_conf_mode) {
+ r = table_add_many(table,
+ TABLE_FIELD, "resolv.conf mode",
+ TABLE_STRING, global_info.resolv_conf_mode);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (global_info.current_dns) {
+ r = table_add_many(table,
+ TABLE_FIELD, "Current DNS Server",
+ TABLE_STRING, global_info.current_dns_ex ?: global_info.current_dns);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ r = dump_list(table, "DNS Servers", global_info.dns_ex ?: global_info.dns);
+ if (r < 0)
+ return r;
+
+ r = dump_list(table, "Fallback DNS Servers", global_info.fallback_dns_ex ?: global_info.fallback_dns);
+ if (r < 0)
+ return r;
+
+ r = dump_list(table, "DNS Domain", global_info.domains);
+ if (r < 0)
+ return r;
+
+ r = table_print(table, NULL);
+ if (r < 0)
+ return table_log_print_error(r);
+
+ *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;
+ 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_set_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");
+
+ _cleanup_free_ InterfaceInfo *infos = NULL;
+ size_t n_infos = 0;
+
+ for (sd_netlink_message *i = reply; i; i = sd_netlink_message_next(i)) {
+ const char *name;
+ int ifindex;
+ uint16_t type;
+
+ r = sd_netlink_message_get_type(i, &type);
+ if (r < 0)
+ return rtnl_log_parse_error(r);
+
+ if (type != RTM_NEWLINK)
+ continue;
+
+ r = sd_rtnl_message_link_get_ifindex(i, &ifindex);
+ if (r < 0)
+ return rtnl_log_parse_error(r);
+
+ if (ifindex == LOOPBACK_IFINDEX)
+ continue;
+
+ r = sd_netlink_message_read_string(i, IFLA_IFNAME, &name);
+ if (r < 0)
+ return rtnl_log_parse_error(r);
+
+ if (!GREEDY_REALLOC(infos, n_infos + 1))
+ return log_oom();
+
+ infos[n_infos++] = (InterfaceInfo) { ifindex, name };
+ }
+
+ typesafe_qsort(infos, n_infos, interface_info_compare);
+
+ r = 0;
+ for (size_t i = 0; i < n_infos; i++) {
+ int q = status_ifindex(bus, infos[i].index, infos[i].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;
+ _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
+ int r = 0;
+
+ if (argc > 1) {
+ bool empty_line = false;
+
+ STRV_FOREACH(ifname, argv + 1) {
+ int ifindex, q;
+
+ ifindex = rtnl_resolve_interface(&rtnl, *ifname);
+ if (ifindex < 0) {
+ log_warning_errno(ifindex, "Failed to resolve interface \"%s\", ignoring: %m", *ifname);
+ 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 call_dns(sd_bus *bus, char **dns, const BusLocator *locator, sd_bus_error *error, bool extended) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
+ int r;
+
+ r = bus_message_new_method_call(bus, &req, locator, extended ? "SetLinkDNSEx" : "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', extended ? "(iayqs)" : "(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(dns, STRV_MAKE("")))
+ STRV_FOREACH(p, dns) {
+ _cleanup_free_ char *name = NULL;
+ struct in_addr_data data;
+ uint16_t port;
+ int ifindex;
+
+ r = in_addr_port_ifindex_name_from_string_auto(*p, &data.family, &data.address, &port, &ifindex, &name);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse DNS server address: %s", *p);
+
+ if (ifindex != 0 && ifindex != arg_ifindex)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid ifindex: %i", ifindex);
+
+ r = sd_bus_message_open_container(req, 'r', extended ? "iayqs" : "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);
+
+ if (extended) {
+ r = sd_bus_message_append(req, "q", port);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append(req, "s", name);
+ 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 && extended && sd_bus_error_has_name(error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
+ sd_bus_error_free(error);
+ return call_dns(bus, dns, locator, error, false);
+ }
+ return r;
+}
+
+static int verb_dns(int argc, char **argv, void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus = ASSERT_PTR(userdata);
+ int r;
+
+ 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 = call_dns(bus, argv + 2, bus_resolve_mgr, &error, true);
+ if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
+ sd_bus_error_free(&error);
+
+ r = call_dns(bus, argv + 2, bus_network_mgr, &error, true);
+ }
+ 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 set DNS configuration: %s", bus_error_message(&error, r));
+ }
+
+ return 0;
+}
+
+static int call_domain(sd_bus *bus, char **domain, const BusLocator *locator, sd_bus_error *error) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
+ int r;
+
+ r = bus_message_new_method_call(bus, &req, locator, "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(domain, STRV_MAKE("")))
+ STRV_FOREACH(p, domain) {
+ 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)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Domain not valid: %s",
+ n);
+
+ 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);
+
+ return sd_bus_call(bus, req, 0, error, NULL);
+}
+
+static int verb_domain(int argc, char **argv, void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus = ASSERT_PTR(userdata);
+ int r;
+
+ 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 = call_domain(bus, argv + 2, bus_resolve_mgr, &error);
+ if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
+ sd_bus_error_free(&error);
+
+ r = call_domain(bus, argv + 2, bus_network_mgr, &error);
+ }
+ 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 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 = ASSERT_PTR(userdata);
+ int r, b;
+
+ 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 = bus_call_method(bus, bus_resolve_mgr, "SetLinkDefaultRoute", &error, NULL, "ib", arg_ifindex, b);
+ if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
+ sd_bus_error_free(&error);
+
+ r = bus_call_method(bus, bus_network_mgr, "SetLinkDefaultRoute", &error, NULL, "ib", arg_ifindex, b);
+ }
+ 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 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;
+ _cleanup_free_ char *global_llmnr_support_str = NULL;
+ ResolveSupport global_llmnr_support, llmnr_support;
+ sd_bus *bus = ASSERT_PTR(userdata);
+ int r;
+
+ 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);
+
+ llmnr_support = resolve_support_from_string(argv[2]);
+ if (llmnr_support < 0)
+ return log_error_errno(llmnr_support, "Invalid LLMNR setting: %s", argv[2]);
+
+ r = bus_get_property_string(bus, bus_resolve_mgr, "LLMNR", &error, &global_llmnr_support_str);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get the global LLMNR support state: %s", bus_error_message(&error, r));
+
+ global_llmnr_support = resolve_support_from_string(global_llmnr_support_str);
+ if (global_llmnr_support < 0)
+ return log_error_errno(global_llmnr_support, "Received invalid global LLMNR setting: %s", global_llmnr_support_str);
+
+ if (global_llmnr_support < llmnr_support)
+ log_warning("Setting LLMNR support level \"%s\" for \"%s\", but the global support level is \"%s\".",
+ argv[2], arg_ifname, global_llmnr_support_str);
+
+ r = bus_call_method(bus, bus_resolve_mgr, "SetLinkLLMNR", &error, NULL, "is", arg_ifindex, argv[2]);
+ if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
+ sd_bus_error_free(&error);
+
+ r = bus_call_method(bus, bus_network_mgr, "SetLinkLLMNR", &error, NULL, "is", arg_ifindex, argv[2]);
+ }
+ 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 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;
+ _cleanup_free_ char *global_mdns_support_str = NULL;
+ ResolveSupport global_mdns_support, mdns_support;
+ sd_bus *bus = ASSERT_PTR(userdata);
+ int r;
+
+ 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);
+
+ mdns_support = resolve_support_from_string(argv[2]);
+ if (mdns_support < 0)
+ return log_error_errno(mdns_support, "Invalid mDNS setting: %s", argv[2]);
+
+ r = bus_get_property_string(bus, bus_resolve_mgr, "MulticastDNS", &error, &global_mdns_support_str);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get the global mDNS support state: %s", bus_error_message(&error, r));
+
+ global_mdns_support = resolve_support_from_string(global_mdns_support_str);
+ if (global_mdns_support < 0)
+ return log_error_errno(global_mdns_support, "Received invalid global mDNS setting: %s", global_mdns_support_str);
+
+ if (global_mdns_support < mdns_support)
+ log_warning("Setting mDNS support level \"%s\" for \"%s\", but the global support level is \"%s\".",
+ argv[2], arg_ifname, global_mdns_support_str);
+
+ r = bus_call_method(bus, bus_resolve_mgr, "SetLinkMulticastDNS", &error, NULL, "is", arg_ifindex, argv[2]);
+ if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
+ sd_bus_error_free(&error);
+
+ r = bus_call_method(
+ bus,
+ bus_network_mgr,
+ "SetLinkMulticastDNS",
+ &error,
+ NULL,
+ "is", arg_ifindex, argv[2]);
+ }
+ 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 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 = ASSERT_PTR(userdata);
+ int r;
+
+ 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 = bus_call_method(bus, bus_resolve_mgr, "SetLinkDNSOverTLS", &error, NULL, "is", arg_ifindex, argv[2]);
+ if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
+ sd_bus_error_free(&error);
+
+ r = bus_call_method(
+ bus,
+ bus_network_mgr,
+ "SetLinkDNSOverTLS",
+ &error,
+ NULL,
+ "is", arg_ifindex, argv[2]);
+ }
+ 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 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 = ASSERT_PTR(userdata);
+ int r;
+
+ 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 = bus_call_method(bus, bus_resolve_mgr, "SetLinkDNSSEC", &error, NULL, "is", arg_ifindex, argv[2]);
+ if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
+ sd_bus_error_free(&error);
+
+ r = bus_call_method(bus, bus_network_mgr, "SetLinkDNSSEC", &error, NULL, "is", arg_ifindex, argv[2]);
+ }
+ 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 set DNSSEC configuration: %s", bus_error_message(&error, r));
+ }
+
+ return 0;
+}
+
+static int call_nta(sd_bus *bus, char **nta, const BusLocator *locator, sd_bus_error *error) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
+ int r;
+
+ r = bus_message_new_method_call(bus, &req, locator, "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, nta);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ return sd_bus_call(bus, req, 0, error, NULL);
+}
+
+static int verb_nta(int argc, char **argv, void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus = ASSERT_PTR(userdata);
+ int r;
+ bool clear;
+
+ 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)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Domain not valid: %s",
+ *p);
+ }
+
+ r = call_nta(bus, clear ? NULL : argv + 2, bus_resolve_mgr, &error);
+ if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
+ sd_bus_error_free(&error);
+
+ r = call_nta(bus, clear ? NULL : argv + 2, bus_network_mgr, &error);
+ }
+ 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 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 = ASSERT_PTR(userdata);
+ int r;
+
+ 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 = bus_call_method(bus, bus_resolve_mgr, "RevertLink", &error, NULL, "i", arg_ifindex);
+ if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
+ sd_bus_error_free(&error);
+
+ r = bus_call_method(bus, bus_network_mgr, "RevertLinkDNS", &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 int verb_log_level(int argc, char *argv[], void *userdata) {
+ sd_bus *bus = ASSERT_PTR(userdata);
+
+ assert(IN_SET(argc, 1, 2));
+
+ return verb_log_control_common(bus, "org.freedesktop.resolve1", argv[0], argc == 2 ? argv[1] : NULL);
+}
+
+static int print_question(char prefix, const char *color, JsonVariant *question) {
+ JsonVariant *q = NULL;
+ int r;
+
+ assert(color);
+
+ JSON_VARIANT_ARRAY_FOREACH(q, question) {
+ _cleanup_(dns_resource_key_unrefp) DnsResourceKey *key = NULL;
+ char buf[DNS_RESOURCE_KEY_STRING_MAX];
+
+ r = dns_resource_key_from_json(q, &key);
+ if (r < 0) {
+ log_warning_errno(r, "Received monitor message with invalid question key, ignoring: %m");
+ continue;
+ }
+
+ printf("%s%s %c%s: %s\n",
+ color,
+ special_glyph(SPECIAL_GLYPH_ARROW_RIGHT),
+ prefix,
+ ansi_normal(),
+ dns_resource_key_to_string(key, buf, sizeof(buf)));
+ }
+
+ return 0;
+}
+
+static int print_answer(JsonVariant *answer) {
+ JsonVariant *a;
+ int r;
+
+ JSON_VARIANT_ARRAY_FOREACH(a, answer) {
+ _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL;
+ _cleanup_free_ void *d = NULL;
+ JsonVariant *jraw;
+ const char *s;
+ size_t l;
+
+ jraw = json_variant_by_key(a, "raw");
+ if (!jraw) {
+ log_warning("Received monitor answer lacking valid raw data, ignoring.");
+ continue;
+ }
+
+ r = json_variant_unbase64(jraw, &d, &l);
+ if (r < 0) {
+ log_warning_errno(r, "Failed to undo base64 encoding of monitor answer raw data, ignoring.");
+ continue;
+ }
+
+ r = dns_resource_record_new_from_raw(&rr, d, l);
+ if (r < 0) {
+ log_warning_errno(r, "Failed to parse monitor answer RR, ignoring: %m");
+ continue;
+ }
+
+ s = dns_resource_record_to_string(rr);
+ if (!s)
+ return log_oom();
+
+ printf("%s%s A%s: %s\n",
+ ansi_highlight_yellow(),
+ special_glyph(SPECIAL_GLYPH_ARROW_LEFT),
+ ansi_normal(),
+ s);
+ }
+
+ return 0;
+}
+
+static void monitor_query_dump(JsonVariant *v) {
+ _cleanup_(json_variant_unrefp) JsonVariant *question = NULL, *answer = NULL, *collected_questions = NULL;
+ int rcode = -1, error = 0, r;
+ const char *state = NULL;
+
+ assert(v);
+
+ JsonDispatch dispatch_table[] = {
+ { "question", JSON_VARIANT_ARRAY, json_dispatch_variant, PTR_TO_SIZE(&question), JSON_MANDATORY },
+ { "answer", JSON_VARIANT_ARRAY, json_dispatch_variant, PTR_TO_SIZE(&answer), 0 },
+ { "collectedQuestions", JSON_VARIANT_ARRAY, json_dispatch_variant, PTR_TO_SIZE(&collected_questions), 0 },
+ { "state", JSON_VARIANT_STRING, json_dispatch_const_string, PTR_TO_SIZE(&state), JSON_MANDATORY },
+ { "rcode", _JSON_VARIANT_TYPE_INVALID, json_dispatch_int, PTR_TO_SIZE(&rcode), 0 },
+ { "errno", _JSON_VARIANT_TYPE_INVALID, json_dispatch_int, PTR_TO_SIZE(&error), 0 },
+ {}
+ };
+
+ r = json_dispatch(v, dispatch_table, 0, NULL);
+ if (r < 0)
+ return (void) log_warning("Received malformed monitor message, ignoring.");
+
+ /* First show the current question */
+ print_question('Q', ansi_highlight_cyan(), question);
+
+ /* And then show the questions that led to this one in case this was a CNAME chain */
+ print_question('C', ansi_highlight_grey(), collected_questions);
+
+ printf("%s%s S%s: %s\n",
+ streq_ptr(state, "success") ? ansi_highlight_green() : ansi_highlight_red(),
+ special_glyph(SPECIAL_GLYPH_ARROW_LEFT),
+ ansi_normal(),
+ strna(streq_ptr(state, "errno") ? errno_to_name(error) :
+ streq_ptr(state, "rcode-failure") ? dns_rcode_to_string(rcode) :
+ state));
+
+ print_answer(answer);
+}
+
+static int monitor_reply(
+ Varlink *link,
+ JsonVariant *parameters,
+ const char *error_id,
+ VarlinkReplyFlags flags,
+ void *userdata) {
+
+ assert(link);
+
+ if (error_id) {
+ bool disconnect;
+
+ disconnect = streq(error_id, VARLINK_ERROR_DISCONNECTED);
+ if (disconnect)
+ log_info("Disconnected.");
+ else
+ log_error("Varlink error: %s", error_id);
+
+ (void) sd_event_exit(ASSERT_PTR(varlink_get_event(link)), disconnect ? EXIT_SUCCESS : EXIT_FAILURE);
+ return 0;
+ }
+
+ if (json_variant_by_key(parameters, "ready")) {
+ /* The first message coming in will just indicate that we are now subscribed. We let our
+ * caller know if they asked for it. Once the caller sees this they should know that we are
+ * not going to miss any queries anymore. */
+ (void) sd_notify(/* unset_environment=false */ false, "READY=1");
+ return 0;
+ }
+
+ if (arg_json_format_flags & JSON_FORMAT_OFF) {
+ monitor_query_dump(parameters);
+ printf("\n");
+ } else
+ json_variant_dump(parameters, arg_json_format_flags, NULL, NULL);
+
+ fflush(stdout);
+
+ return 0;
+}
+
+static int verb_monitor(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_event_unrefp) sd_event *event = NULL;
+ _cleanup_(varlink_unrefp) Varlink *vl = NULL;
+ int r, c;
+
+ r = sd_event_default(&event);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get event loop: %m");
+
+ r = sd_event_set_signal_exit(event, true);
+ if (r < 0)
+ return log_error_errno(r, "Failed to enable exit on SIGINT/SIGTERM: %m");
+
+ r = varlink_connect_address(&vl, "/run/systemd/resolve/io.systemd.Resolve.Monitor");
+ if (r < 0)
+ return log_error_errno(r, "Failed to connect to query monitoring service /run/systemd/resolve/io.systemd.Resolve.Monitor: %m");
+
+ r = varlink_set_relative_timeout(vl, USEC_INFINITY); /* We want the monitor to run basically forever */
+ if (r < 0)
+ return log_error_errno(r, "Failed to set varlink time-out: %m");
+
+ r = varlink_attach_event(vl, event, SD_EVENT_PRIORITY_NORMAL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to attach varlink connection to event loop: %m");
+
+ r = varlink_bind_reply(vl, monitor_reply);
+ if (r < 0)
+ return log_error_errno(r, "Failed to bind reply callback to varlink connection: %m");
+
+ r = varlink_observe(vl, "io.systemd.Resolve.Monitor.SubscribeQueryResults", NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to issue SubscribeQueryResults() varlink call: %m");
+
+ r = sd_event_loop(event);
+ if (r < 0)
+ return log_error_errno(r, "Failed to run event loop: %m");
+
+ r = sd_event_get_exit_code(event, &c);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get exit code: %m");
+
+ return c;
+}
+
+static int dump_cache_item(JsonVariant *item) {
+
+ struct item_info {
+ JsonVariant *key;
+ JsonVariant *rrs;
+ const char *type;
+ uint64_t until;
+ } item_info = {};
+
+ static const JsonDispatch dispatch_table[] = {
+ { "key", JSON_VARIANT_OBJECT, json_dispatch_variant_noref, offsetof(struct item_info, key), JSON_MANDATORY },
+ { "rrs", JSON_VARIANT_ARRAY, json_dispatch_variant_noref, offsetof(struct item_info, rrs), 0 },
+ { "type", JSON_VARIANT_STRING, json_dispatch_const_string, offsetof(struct item_info, type), 0 },
+ { "until", _JSON_VARIANT_TYPE_INVALID, json_dispatch_uint64, offsetof(struct item_info, until), 0 },
+ {},
+ };
+
+ _cleanup_(dns_resource_key_unrefp) DnsResourceKey *k = NULL;
+ int r, c = 0;
+
+ r = json_dispatch(item, dispatch_table, JSON_LOG, &item_info);
+ if (r < 0)
+ return r;
+
+ r = dns_resource_key_from_json(item_info.key, &k);
+ if (r < 0)
+ return log_error_errno(r, "Failed to turn JSON data to resource key: %m");
+
+ if (item_info.type)
+ printf("%s %s%s%s\n", DNS_RESOURCE_KEY_TO_STRING(k), ansi_highlight_red(), item_info.type, ansi_normal());
+ else {
+ JsonVariant *i;
+
+ JSON_VARIANT_ARRAY_FOREACH(i, item_info.rrs) {
+ _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL;
+ _cleanup_free_ void *data = NULL;
+ JsonVariant *raw;
+ size_t size;
+
+ raw = json_variant_by_key(i, "raw");
+ if (!raw)
+ return log_error_errno(SYNTHETIC_ERRNO(ENOTRECOVERABLE), "raw field missing from RR JSON data.");
+
+ r = json_variant_unbase64(raw, &data, &size);
+ if (r < 0)
+ return log_error_errno(r, "Unable to decode raw RR JSON data: %m");
+
+ r = dns_resource_record_new_from_raw(&rr, data, size);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse DNS data: %m");
+
+ printf("%s\n", dns_resource_record_to_string(rr));
+ c++;
+ }
+ }
+
+ return c;
+}
+
+static int dump_cache_scope(JsonVariant *scope) {
+
+ struct scope_info {
+ const char *protocol;
+ int family;
+ int ifindex;
+ const char *ifname;
+ JsonVariant *cache;
+ } scope_info = {
+ .family = AF_UNSPEC,
+ };
+ JsonVariant *i;
+ int r, c = 0;
+
+ static const JsonDispatch dispatch_table[] = {
+ { "protocol", JSON_VARIANT_STRING, json_dispatch_const_string, offsetof(struct scope_info, protocol), JSON_MANDATORY },
+ { "family", _JSON_VARIANT_TYPE_INVALID, json_dispatch_int, offsetof(struct scope_info, family), 0 },
+ { "ifindex", _JSON_VARIANT_TYPE_INVALID, json_dispatch_int, offsetof(struct scope_info, ifindex), 0 },
+ { "ifname", JSON_VARIANT_STRING, json_dispatch_const_string, offsetof(struct scope_info, ifname), 0 },
+ { "cache", JSON_VARIANT_ARRAY, json_dispatch_variant_noref, offsetof(struct scope_info, cache), JSON_MANDATORY },
+ {},
+ };
+
+ r = json_dispatch(scope, dispatch_table, JSON_LOG, &scope_info);
+ if (r < 0)
+ return r;
+
+ printf("%sScope protocol=%s", ansi_underline(), scope_info.protocol);
+
+ if (scope_info.family != AF_UNSPEC)
+ printf(" family=%s", af_to_name(scope_info.family));
+
+ if (scope_info.ifindex > 0)
+ printf(" ifindex=%i", scope_info.ifindex);
+ if (scope_info.ifname)
+ printf(" ifname=%s", scope_info.ifname);
+
+ printf("%s\n", ansi_normal());
+
+ JSON_VARIANT_ARRAY_FOREACH(i, scope_info.cache) {
+ r = dump_cache_item(i);
+ if (r < 0)
+ return r;
+
+ c += r;
+ }
+
+ if (c == 0)
+ printf("%sNo entries.%s\n\n", ansi_grey(), ansi_normal());
+ else
+ printf("\n");
+
+ return 0;
+}
+
+static int verb_show_cache(int argc, char *argv[], void *userdata) {
+ JsonVariant *reply = NULL, *d = NULL;
+ _cleanup_(varlink_unrefp) Varlink *vl = NULL;
+ int r;
+
+ r = varlink_connect_address(&vl, "/run/systemd/resolve/io.systemd.Resolve.Monitor");
+ if (r < 0)
+ return log_error_errno(r, "Failed to connect to query monitoring service /run/systemd/resolve/io.systemd.Resolve.Monitor: %m");
+
+ r = varlink_call(vl, "io.systemd.Resolve.Monitor.DumpCache", NULL, &reply, NULL, 0);
+ if (r < 0)
+ return log_error_errno(r, "Failed to issue DumpCache() varlink call: %m");
+
+ d = json_variant_by_key(reply, "dump");
+ if (!d)
+ return log_error_errno(SYNTHETIC_ERRNO(ENOTRECOVERABLE),
+ "DumpCache() response is missing 'dump' key.");
+
+ if (!json_variant_is_array(d))
+ return log_error_errno(SYNTHETIC_ERRNO(ENOTRECOVERABLE),
+ "DumpCache() response 'dump' field not an array");
+
+ if (FLAGS_SET(arg_json_format_flags, JSON_FORMAT_OFF)) {
+ JsonVariant *i;
+
+ JSON_VARIANT_ARRAY_FOREACH(i, d) {
+ r = dump_cache_scope(i);
+ if (r < 0)
+ return r;
+ }
+
+ return 0;
+ }
+
+ return json_variant_dump(d, arg_json_format_flags, NULL, NULL);
+}
+
+static int dump_server_state(JsonVariant *server) {
+ _cleanup_(table_unrefp) Table *table = NULL;
+ TableCell *cell;
+
+ struct server_state {
+ const char *server_name;
+ const char *type;
+ const char *ifname;
+ int ifindex;
+ const char *verified_feature_level;
+ const char *possible_feature_level;
+ const char *dnssec_mode;
+ bool dnssec_supported;
+ size_t received_udp_fragment_max;
+ uint64_t n_failed_udp;
+ uint64_t n_failed_tcp;
+ bool packet_truncated;
+ bool packet_bad_opt;
+ bool packet_rrsig_missing;
+ bool packet_invalid;
+ bool packet_do_off;
+ } server_state = {
+ .ifindex = -1,
+ };
+
+ int r;
+
+ static const JsonDispatch dispatch_table[] = {
+ { "Server", JSON_VARIANT_STRING, json_dispatch_const_string, offsetof(struct server_state, server_name), JSON_MANDATORY },
+ { "Type", JSON_VARIANT_STRING, json_dispatch_const_string, offsetof(struct server_state, type), JSON_MANDATORY },
+ { "Interface", JSON_VARIANT_STRING, json_dispatch_const_string, offsetof(struct server_state, ifname), 0 },
+ { "InterfaceIndex", _JSON_VARIANT_TYPE_INVALID, json_dispatch_int, offsetof(struct server_state, ifindex), 0 },
+ { "VerifiedFeatureLevel", JSON_VARIANT_STRING, json_dispatch_const_string, offsetof(struct server_state, verified_feature_level), 0 },
+ { "PossibleFeatureLevel", JSON_VARIANT_STRING, json_dispatch_const_string, offsetof(struct server_state, possible_feature_level), 0 },
+ { "DNSSECMode", JSON_VARIANT_STRING, json_dispatch_const_string, offsetof(struct server_state, dnssec_mode), JSON_MANDATORY },
+ { "DNSSECSupported", JSON_VARIANT_BOOLEAN, json_dispatch_boolean, offsetof(struct server_state, dnssec_supported), JSON_MANDATORY },
+ { "ReceivedUDPFragmentMax", _JSON_VARIANT_TYPE_INVALID, json_dispatch_uint64, offsetof(struct server_state, received_udp_fragment_max), JSON_MANDATORY },
+ { "FailedUDPAttempts", _JSON_VARIANT_TYPE_INVALID, json_dispatch_uint64, offsetof(struct server_state, n_failed_udp), JSON_MANDATORY },
+ { "FailedTCPAttempts", _JSON_VARIANT_TYPE_INVALID, json_dispatch_uint64, offsetof(struct server_state, n_failed_tcp), JSON_MANDATORY },
+ { "PacketTruncated", JSON_VARIANT_BOOLEAN, json_dispatch_boolean, offsetof(struct server_state, packet_truncated), JSON_MANDATORY },
+ { "PacketBadOpt", JSON_VARIANT_BOOLEAN, json_dispatch_boolean, offsetof(struct server_state, packet_bad_opt), JSON_MANDATORY },
+ { "PacketRRSIGMissing", JSON_VARIANT_BOOLEAN, json_dispatch_boolean, offsetof(struct server_state, packet_rrsig_missing), JSON_MANDATORY },
+ { "PacketInvalid", JSON_VARIANT_BOOLEAN, json_dispatch_boolean, offsetof(struct server_state, packet_invalid), JSON_MANDATORY },
+ { "PacketDoOff", JSON_VARIANT_BOOLEAN, json_dispatch_boolean, offsetof(struct server_state, packet_do_off), JSON_MANDATORY },
+ {},
+ };
+
+ r = json_dispatch(server, dispatch_table, JSON_LOG|JSON_PERMISSIVE, &server_state);
+ if (r < 0)
+ return r;
+
+ table = table_new_vertical();
+ if (!table)
+ return log_oom();
+
+ assert_se(cell = table_get_cell(table, 0, 0));
+ (void) table_set_ellipsize_percent(table, cell, 100);
+ (void) table_set_align_percent(table, cell, 0);
+
+ r = table_add_cell_stringf(table, NULL, "Server: %s", server_state.server_name);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ r = table_add_many(table,
+ TABLE_EMPTY,
+ TABLE_FIELD, "Type",
+ TABLE_SET_ALIGN_PERCENT, 100,
+ TABLE_STRING, server_state.type);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ if (server_state.ifname) {
+ r = table_add_many(table,
+ TABLE_FIELD, "Interface",
+ TABLE_STRING, server_state.ifname);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (server_state.ifindex >= 0) {
+ r = table_add_many(table,
+ TABLE_FIELD, "Interface Index",
+ TABLE_INT, server_state.ifindex);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (server_state.verified_feature_level) {
+ r = table_add_many(table,
+ TABLE_FIELD, "Verified feature level",
+ TABLE_STRING, server_state.verified_feature_level);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (server_state.possible_feature_level) {
+ r = table_add_many(table,
+ TABLE_FIELD, "Possible feature level",
+ TABLE_STRING, server_state.possible_feature_level);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ r = table_add_many(table,
+ TABLE_FIELD, "DNSSEC Mode",
+ TABLE_STRING, server_state.dnssec_mode,
+ TABLE_FIELD, "DNSSEC Supported",
+ TABLE_STRING, yes_no(server_state.dnssec_supported),
+ TABLE_FIELD, "Maximum UDP fragment size received",
+ TABLE_UINT64, server_state.received_udp_fragment_max,
+ TABLE_FIELD, "Failed UDP attempts",
+ TABLE_UINT64, server_state.n_failed_udp,
+ TABLE_FIELD, "Failed TCP attempts",
+ TABLE_UINT64, server_state.n_failed_tcp,
+ TABLE_FIELD, "Seen truncated packet",
+ TABLE_STRING, yes_no(server_state.packet_truncated),
+ TABLE_FIELD, "Seen OPT RR getting lost",
+ TABLE_STRING, yes_no(server_state.packet_bad_opt),
+ TABLE_FIELD, "Seen RRSIG RR missing",
+ TABLE_STRING, yes_no(server_state.packet_rrsig_missing),
+ TABLE_FIELD, "Seen invalid packet",
+ TABLE_STRING, yes_no(server_state.packet_invalid),
+ TABLE_FIELD, "Server dropped DO flag",
+ TABLE_STRING, yes_no(server_state.packet_do_off),
+ TABLE_SET_ALIGN_PERCENT, 0,
+ TABLE_EMPTY, TABLE_EMPTY);
+
+ if (r < 0)
+ return table_log_add_error(r);
+
+ r = table_print(table, NULL);
+ if (r < 0)
+ return table_log_print_error(r);
+
+ return 0;
+}
+
+static int verb_show_server_state(int argc, char *argv[], void *userdata) {
+ JsonVariant *reply = NULL, *d = NULL;
+ _cleanup_(varlink_unrefp) Varlink *vl = NULL;
+ int r;
+
+ r = varlink_connect_address(&vl, "/run/systemd/resolve/io.systemd.Resolve.Monitor");
+ if (r < 0)
+ return log_error_errno(r, "Failed to connect to query monitoring service /run/systemd/resolve/io.systemd.Resolve.Monitor: %m");
+
+ r = varlink_call(vl, "io.systemd.Resolve.Monitor.DumpServerState", NULL, &reply, NULL, 0);
+ if (r < 0)
+ return log_error_errno(r, "Failed to issue DumpServerState() varlink call: %m");
+
+ d = json_variant_by_key(reply, "dump");
+ if (!d)
+ return log_error_errno(SYNTHETIC_ERRNO(ENOTRECOVERABLE),
+ "DumpCache() response is missing 'dump' key.");
+
+ if (!json_variant_is_array(d))
+ return log_error_errno(SYNTHETIC_ERRNO(ENOTRECOVERABLE),
+ "DumpCache() response 'dump' field not an array");
+
+ if (FLAGS_SET(arg_json_format_flags, JSON_FORMAT_OFF)) {
+ JsonVariant *i;
+
+ JSON_VARIANT_ARRAY_FOREACH(i, d) {
+ r = dump_server_state(i);
+ if (r < 0)
+ return r;
+ }
+
+ return 0;
+ }
+
+ return json_variant_dump(d, arg_json_format_flags, NULL, NULL);
+}
+
+static void help_protocol_types(void) {
+ if (arg_legend)
+ puts("Known protocol types:");
+ puts("dns\n"
+ "llmnr\n"
+ "llmnr-ipv4\n"
+ "llmnr-ipv6\n"
+ "mdns\n"
+ "mdns-ipv4\n"
+ "mdns-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$s [OPTIONS...] --reset-statistics\n"
+ "\n"
+ "%2$sResolve domain names, IPv4 and IPv6 addresses, DNS records, and services.%3$s\n\n"
+ " -h --help Show this help\n"
+ " --version Show package version\n"
+ " --no-pager Do not pipe output into a pager\n"
+ " -4 Resolve IPv4 addresses\n"
+ " -6 Resolve IPv6 addresses\n"
+ " -i --interface=INTERFACE Look on interface\n"
+ " -p --protocol=PROTO|help Look via protocol\n"
+ " -t --type=TYPE|help Query RR with DNS type\n"
+ " -c --class=CLASS|help Query RR with DNS class\n"
+ " --service Resolve service (SRV)\n"
+ " --service-address=BOOL Resolve address for services (default: yes)\n"
+ " --service-txt=BOOL Resolve TXT records for services (default: yes)\n"
+ " --openpgp Query OpenPGP public key\n"
+ " --tlsa Query TLS public key\n"
+ " --cname=BOOL Follow CNAME redirects (default: yes)\n"
+ " --search=BOOL Use search domains for single-label names\n"
+ " (default: yes)\n"
+ " --raw[=payload|packet] Dump the answer as binary data\n"
+ " --legend=BOOL Print headers and additional info (default: yes)\n"
+ " --statistics Show resolver statistics\n"
+ " --reset-statistics Reset resolver statistics\n"
+ " --status Show link and server status\n"
+ " --flush-caches Flush all local DNS caches\n"
+ " --reset-server-features\n"
+ " Forget learnt DNS server feature levels\n"
+ " --set-dns=SERVER Set per-interface DNS server address\n"
+ " --set-domain=DOMAIN Set per-interface search domain\n"
+ " --set-llmnr=MODE Set per-interface LLMNR mode\n"
+ " --set-mdns=MODE Set per-interface MulticastDNS mode\n"
+ " --set-dnsovertls=MODE Set per-interface DNS-over-TLS mode\n"
+ " --set-dnssec=MODE Set per-interface DNSSEC mode\n"
+ " --set-nta=DOMAIN Set per-interface DNSSEC NTA\n"
+ " --revert Revert per-interface configuration\n"
+ "\nSee the %4$s for details.\n",
+ program_invocation_short_name,
+ ansi_highlight(),
+ ansi_normal(),
+ 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("%s [OPTIONS...] COMMAND ...\n"
+ "\n"
+ "%sSend control commands to the network name resolution manager, or%s\n"
+ "%sresolve domain names, IPv4 and IPv6 addresses, DNS records, and services.%s\n"
+ "\nCommands:\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"
+ " monitor Monitor DNS queries\n"
+ " show-cache Show cache contents\n"
+ " show-server-state Show servers state\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"
+ " log-level [LEVEL] Get/set logging threshold for systemd-resolved\n"
+ "\nOptions:\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"
+ " --validate=BOOL Allow DNSSEC validation (default: yes)\n"
+ " --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"
+ " --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"
+ " yes)\n"
+ " --network=BOOL Allow response from network (default: yes)\n"
+ " --search=BOOL Use search domains for single-label names (default:\n"
+ " yes)\n"
+ " --raw[=payload|packet] Dump the answer as binary data\n"
+ " --legend=BOOL Print headers and additional info (default: yes)\n"
+ " --json=MODE Output as JSON\n"
+ " -j Same as --json=pretty on tty, --json=short\n"
+ " otherwise\n"
+ "\nSee the %s for details.\n",
+ program_invocation_short_name,
+ ansi_highlight(),
+ ansi_normal(),
+ ansi_highlight(),
+ ansi_normal(),
+ 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)
+ return log_error_errno(r, "Failed to parse RR record type %s: %m", optarg);
+
+ 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)
+ return log_error_errno(r, "Failed to parse RR record class %s: %m", optarg);
+
+ arg_class = (uint16_t) r;
+ assert((int) arg_class == r);
+
+ break;
+
+ case ARG_LEGEND:
+ r = parse_boolean_argument("--legend=", optarg, &arg_legend);
+ if (r < 0)
+ return 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_argument("--cname=", optarg, NULL);
+ if (r < 0)
+ return r;
+ SET_FLAG(arg_flags, SD_RESOLVED_NO_CNAME, r == 0);
+ break;
+
+ case ARG_SERVICE_ADDRESS:
+ r = parse_boolean_argument("--service-address=", optarg, NULL);
+ if (r < 0)
+ return r;
+ SET_FLAG(arg_flags, SD_RESOLVED_NO_ADDRESS, r == 0);
+ break;
+
+ case ARG_SERVICE_TXT:
+ r = parse_boolean_argument("--service-txt=", optarg, NULL);
+ if (r < 0)
+ return r;
+ SET_FLAG(arg_flags, SD_RESOLVED_NO_TXT, r == 0);
+ break;
+
+ case ARG_SEARCH:
+ r = parse_boolean_argument("--search=", optarg, NULL);
+ if (r < 0)
+ return r;
+ 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();
+ }
+
+ 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_VALIDATE,
+ ARG_SYNTHESIZE,
+ ARG_CACHE,
+ ARG_ZONE,
+ ARG_TRUST_ANCHOR,
+ ARG_NETWORK,
+ ARG_SERVICE_ADDRESS,
+ ARG_SERVICE_TXT,
+ ARG_RAW,
+ ARG_SEARCH,
+ ARG_NO_PAGER,
+ ARG_JSON,
+ ARG_STALE_DATA
+ };
+
+ 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 },
+ { "validate", required_argument, NULL, ARG_VALIDATE },
+ { "synthesize", required_argument, NULL, ARG_SYNTHESIZE },
+ { "cache", required_argument, NULL, ARG_CACHE },
+ { "zone", required_argument, NULL, ARG_ZONE },
+ { "trust-anchor", required_argument, NULL, ARG_TRUST_ANCHOR },
+ { "network", required_argument, NULL, ARG_NETWORK },
+ { "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 },
+ { "json", required_argument, NULL, ARG_JSON },
+ { "stale-data", required_argument, NULL, ARG_STALE_DATA },
+ {}
+ };
+
+ int c, r;
+
+ assert(argc >= 0);
+ assert(argv);
+
+ while ((c = getopt_long(argc, argv, "h46i:t:c:p:j", 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)
+ return log_error_errno(r, "Failed to parse RR record type %s: %m", optarg);
+
+ 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)
+ return log_error_errno(r, "Failed to parse RR record class %s: %m", optarg);
+
+ arg_class = (uint16_t) r;
+ assert((int) arg_class == r);
+
+ break;
+
+ case ARG_LEGEND:
+ r = parse_boolean_argument("--legend=", optarg, &arg_legend);
+ if (r < 0)
+ return 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_argument("--cname=", optarg, NULL);
+ if (r < 0)
+ return r;
+ SET_FLAG(arg_flags, SD_RESOLVED_NO_CNAME, r == 0);
+ break;
+
+ case ARG_VALIDATE:
+ r = parse_boolean_argument("--validate=", optarg, NULL);
+ if (r < 0)
+ return r;
+ SET_FLAG(arg_flags, SD_RESOLVED_NO_VALIDATE, r == 0);
+ break;
+
+ case ARG_SYNTHESIZE:
+ r = parse_boolean_argument("--synthesize=", optarg, NULL);
+ if (r < 0)
+ return r;
+ SET_FLAG(arg_flags, SD_RESOLVED_NO_SYNTHESIZE, r == 0);
+ break;
+
+ case ARG_CACHE:
+ r = parse_boolean_argument("--cache=", optarg, NULL);
+ if (r < 0)
+ return r;
+ SET_FLAG(arg_flags, SD_RESOLVED_NO_CACHE, r == 0);
+ break;
+
+ case ARG_STALE_DATA:
+ r = parse_boolean_argument("--stale-data=", optarg, NULL);
+ if (r < 0)
+ return r;
+ SET_FLAG(arg_flags, SD_RESOLVED_NO_STALE, r == 0);
+ break;
+
+ case ARG_ZONE:
+ r = parse_boolean_argument("--zone=", optarg, NULL);
+ if (r < 0)
+ return r;
+ SET_FLAG(arg_flags, SD_RESOLVED_NO_ZONE, r == 0);
+ break;
+
+ case ARG_TRUST_ANCHOR:
+ r = parse_boolean_argument("--trust-anchor=", optarg, NULL);
+ if (r < 0)
+ return r;
+ SET_FLAG(arg_flags, SD_RESOLVED_NO_TRUST_ANCHOR, r == 0);
+ break;
+
+ case ARG_NETWORK:
+ r = parse_boolean_argument("--network=", optarg, NULL);
+ if (r < 0)
+ return r;
+ SET_FLAG(arg_flags, SD_RESOLVED_NO_NETWORK, r == 0);
+ break;
+
+ case ARG_SERVICE_ADDRESS:
+ r = parse_boolean_argument("--service-address=", optarg, NULL);
+ if (r < 0)
+ return r;
+ SET_FLAG(arg_flags, SD_RESOLVED_NO_ADDRESS, r == 0);
+ break;
+
+ case ARG_SERVICE_TXT:
+ r = parse_boolean_argument("--service-txt=", optarg, NULL);
+ if (r < 0)
+ return r;
+ SET_FLAG(arg_flags, SD_RESOLVED_NO_TXT, r == 0);
+ break;
+
+ case ARG_SEARCH:
+ r = parse_boolean_argument("--search=", optarg, NULL);
+ if (r < 0)
+ return r;
+ SET_FLAG(arg_flags, SD_RESOLVED_NO_SEARCH, r == 0);
+ break;
+
+ case ARG_NO_PAGER:
+ arg_pager_flags |= PAGER_DISABLE;
+ break;
+
+ case ARG_JSON:
+ r = parse_json_argument(optarg, &arg_json_format_flags);
+ if (r <= 0)
+ return r;
+
+ break;
+
+ case 'j':
+ arg_json_format_flags = JSON_FORMAT_PRETTY_AUTO|JSON_FORMAT_COLOR_AUTO;
+ break;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached();
+ }
+
+ 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 },
+ { "log-level", VERB_ANY, 2, 0, verb_log_level },
+ { "monitor", VERB_ANY, 1, 0, verb_monitor },
+ { "show-cache", VERB_ANY, 1, 0, verb_show_cache },
+ { "show-server-state", VERB_ANY, 1, 0, verb_show_server_state},
+ {}
+ };
+
+ 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;
+
+ 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 (size_t 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();
+ }
+
+ return 0;
+}
+
+static int run(int argc, char **argv) {
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+ bool compat = false;
+ int r;
+
+ setlocale(LC_ALL, "");
+ log_setup();
+
+ if (invoked_as(argv, "resolvconf")) {
+ compat = true;
+ r = resolvconf_parse_argv(argc, argv);
+ } else if (invoked_as(argv, "systemd-resolve")) {
+ compat = true;
+ 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 (compat)
+ return compat_main(argc, argv, bus);
+
+ return native_main(argc, argv, bus);
+}
+
+DEFINE_MAIN_FUNCTION(run);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 05:38:39 +0000