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-rw-r--r--src/resolve-host/resolve-host.c1265
1 files changed, 0 insertions, 1265 deletions
diff --git a/src/resolve-host/resolve-host.c b/src/resolve-host/resolve-host.c
deleted file mode 100644
index 54a060ea5a..0000000000
--- a/src/resolve-host/resolve-host.c
+++ /dev/null
@@ -1,1265 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Zbigniew Jędrzejewski-Szmek
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <getopt.h>
-#include <net/if.h>
-
-#include "sd-bus.h"
-
-#include "af-list.h"
-#include "alloc-util.h"
-#include "bus-error.h"
-#include "bus-util.h"
-#include "escape.h"
-#include "in-addr-util.h"
-#include "parse-util.h"
-#include "resolved-def.h"
-#include "resolved-dns-packet.h"
-#include "terminal-util.h"
-
-#define DNS_CALL_TIMEOUT_USEC (45*USEC_PER_SEC)
-
-static int arg_family = AF_UNSPEC;
-static int arg_ifindex = 0;
-static uint16_t arg_type = 0;
-static uint16_t arg_class = 0;
-static bool arg_legend = true;
-static uint64_t arg_flags = 0;
-
-static enum {
- MODE_RESOLVE_HOST,
- MODE_RESOLVE_RECORD,
- MODE_RESOLVE_SERVICE,
- MODE_STATISTICS,
- MODE_RESET_STATISTICS,
-} arg_mode = MODE_RESOLVE_HOST;
-
-static void print_source(uint64_t flags, usec_t rtt) {
- char rtt_str[FORMAT_TIMESTAMP_MAX];
-
- if (!arg_legend)
- return;
-
- if (flags == 0)
- return;
-
- fputs("\n-- Information acquired via", stdout);
-
- if (flags != 0)
- printf(" protocol%s%s%s%s%s",
- flags & SD_RESOLVED_DNS ? " DNS" :"",
- flags & SD_RESOLVED_LLMNR_IPV4 ? " LLMNR/IPv4" : "",
- flags & SD_RESOLVED_LLMNR_IPV6 ? " LLMNR/IPv6" : "",
- flags & SD_RESOLVED_MDNS_IPV4 ? "mDNS/IPv4" : "",
- flags & SD_RESOLVED_MDNS_IPV6 ? "mDNS/IPv6" : "");
-
- assert_se(format_timespan(rtt_str, sizeof(rtt_str), rtt, 100));
-
- printf(" in %s", rtt_str);
-
- fputc('.', stdout);
- fputc('\n', stdout);
-
- printf("-- Data is authenticated: %s\n", yes_no(flags & SD_RESOLVED_AUTHENTICATED));
-}
-
-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;
- char ifname[IF_NAMESIZE] = "";
- unsigned c = 0;
- int r;
- uint64_t flags;
- usec_t ts;
-
- assert(name);
-
- if (arg_ifindex > 0 && !if_indextoname(arg_ifindex, ifname))
- return log_error_errno(errno, "Failed to resolve interface name for index %i: %m", arg_ifindex);
-
- log_debug("Resolving %s (family %s, interface %s).", name, af_to_name(arg_family) ?: "*", isempty(ifname) ? "*" : ifname);
-
- r = sd_bus_message_new_method_call(
- bus,
- &req,
- "org.freedesktop.resolve1",
- "/org/freedesktop/resolve1",
- "org.freedesktop.resolve1.Manager",
- "ResolveHostname");
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_append(req, "isit", arg_ifindex, name, arg_family, arg_flags);
- if (r < 0)
- return bus_log_create_error(r);
-
- ts = now(CLOCK_MONOTONIC);
-
- r = sd_bus_call(bus, req, DNS_CALL_TIMEOUT_USEC, &error, &reply);
- if (r < 0)
- return log_error_errno(r, "%s: resolve call failed: %s", name, bus_error_message(&error, r));
-
- ts = now(CLOCK_MONOTONIC) - ts;
-
- r = sd_bus_message_enter_container(reply, 'a', "(iiay)");
- if (r < 0)
- return bus_log_parse_error(r);
-
- while ((r = sd_bus_message_enter_container(reply, 'r', "iiay")) > 0) {
- _cleanup_free_ char *pretty = NULL;
- int ifindex, family;
- const void *a;
- size_t sz;
-
- assert_cc(sizeof(int) == sizeof(int32_t));
-
- r = sd_bus_message_read(reply, "ii", &ifindex, &family);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_read_array(reply, 'y', &a, &sz);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(reply);
- if (r < 0)
- return bus_log_parse_error(r);
-
- if (!IN_SET(family, AF_INET, AF_INET6)) {
- log_debug("%s: skipping entry with family %d (%s)", name, family, af_to_name(family) ?: "unknown");
- continue;
- }
-
- if (sz != FAMILY_ADDRESS_SIZE(family)) {
- log_error("%s: systemd-resolved returned address of invalid size %zu for family %s", name, sz, af_to_name(family) ?: "unknown");
- return -EINVAL;
- }
-
- ifname[0] = 0;
- if (ifindex > 0 && !if_indextoname(ifindex, ifname))
- log_warning_errno(errno, "Failed to resolve interface name for index %i: %m", ifindex);
-
- r = in_addr_to_string(family, a, &pretty);
- if (r < 0)
- return log_error_errno(r, "Failed to print address for %s: %m", name);
-
- printf("%*s%s %s%s%s\n",
- (int) strlen(name), c == 0 ? name : "", c == 0 ? ":" : " ",
- pretty,
- isempty(ifname) ? "" : "%", ifname);
-
- c++;
- }
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(reply);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_read(reply, "st", &canonical, &flags);
- if (r < 0)
- return bus_log_parse_error(r);
-
- if (!streq(name, canonical))
- printf("%*s%s (%s)\n",
- (int) strlen(name), c == 0 ? name : "", c == 0 ? ":" : " ",
- canonical);
-
- if (c == 0) {
- log_error("%s: no addresses found", name);
- return -ESRCH;
- }
-
- print_source(flags, ts);
-
- return 0;
-}
-
-static int resolve_address(sd_bus *bus, int family, const union in_addr_union *address, int ifindex) {
- _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
- _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_free_ char *pretty = NULL;
- char ifname[IF_NAMESIZE] = "";
- 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_to_string(family, address, &pretty);
- if (r < 0)
- return log_oom();
-
- if (ifindex > 0 && !if_indextoname(ifindex, ifname))
- return log_error_errno(errno, "Failed to resolve interface name for index %i: %m", ifindex);
-
- log_debug("Resolving %s%s%s.", pretty, isempty(ifname) ? "" : "%", ifname);
-
- r = sd_bus_message_new_method_call(
- bus,
- &req,
- "org.freedesktop.resolve1",
- "/org/freedesktop/resolve1",
- "org.freedesktop.resolve1.Manager",
- "ResolveAddress");
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_append(req, "ii", ifindex, family);
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_append_array(req, 'y', address, FAMILY_ADDRESS_SIZE(family));
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_append(req, "t", arg_flags);
- if (r < 0)
- return bus_log_create_error(r);
-
- ts = now(CLOCK_MONOTONIC);
-
- r = sd_bus_call(bus, req, DNS_CALL_TIMEOUT_USEC, &error, &reply);
- if (r < 0) {
- log_error("%s: resolve call failed: %s", pretty, bus_error_message(&error, r));
- return 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;
-
- 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;
-
- ifname[0] = 0;
- if (ifindex > 0 && !if_indextoname(ifindex, ifname))
- log_warning_errno(errno, "Failed to resolve interface name for index %i: %m", ifindex);
-
- printf("%*s%*s%*s%s %s\n",
- (int) strlen(pretty), c == 0 ? pretty : "",
- isempty(ifname) ? 0 : 1, c > 0 || isempty(ifname) ? "" : "%",
- (int) strlen(ifname), c == 0 ? ifname : "",
- c == 0 ? ":" : " ",
- n);
-
- c++;
- }
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(reply);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_read(reply, "t", &flags);
- if (r < 0)
- return bus_log_parse_error(r);
-
- if (c == 0) {
- log_error("%s: no names found", pretty);
- return -ESRCH;
- }
-
- print_source(flags, ts);
-
- return 0;
-}
-
-static int parse_address(const char *s, int *family, union in_addr_union *address, int *ifindex) {
- const char *percent, *a;
- int ifi = 0;
- int r;
-
- percent = strchr(s, '%');
- if (percent) {
- if (parse_ifindex(percent+1, &ifi) < 0) {
- ifi = if_nametoindex(percent+1);
- if (ifi <= 0)
- return -EINVAL;
- }
-
- a = strndupa(s, percent - s);
- } else
- a = s;
-
- r = in_addr_from_string_auto(a, family, address);
- if (r < 0)
- return r;
-
- *ifindex = ifi;
- return 0;
-}
-
-static int resolve_record(sd_bus *bus, const char *name, uint16_t class, uint16_t type) {
- _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;
- char ifname[IF_NAMESIZE] = "";
- unsigned n = 0;
- uint64_t flags;
- int r;
- usec_t ts;
-
- assert(name);
-
- if (arg_ifindex > 0 && !if_indextoname(arg_ifindex, ifname))
- return log_error_errno(errno, "Failed to resolve interface name for index %i: %m", arg_ifindex);
-
- log_debug("Resolving %s %s %s (interface %s).", name, dns_class_to_string(class), dns_type_to_string(type), isempty(ifname) ? "*" : ifname);
-
- r = sd_bus_message_new_method_call(
- bus,
- &req,
- "org.freedesktop.resolve1",
- "/org/freedesktop/resolve1",
- "org.freedesktop.resolve1.Manager",
- "ResolveRecord");
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_append(req, "isqqt", arg_ifindex, name, class, type, arg_flags);
- if (r < 0)
- return bus_log_create_error(r);
-
- ts = now(CLOCK_MONOTONIC);
-
- r = sd_bus_call(bus, req, DNS_CALL_TIMEOUT_USEC, &error, &reply);
- if (r < 0) {
- 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) {
- _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL;
- _cleanup_(dns_packet_unrefp) DnsPacket *p = NULL;
- const char *s;
- 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);
-
- r = dns_packet_new(&p, DNS_PROTOCOL_DNS, 0);
- if (r < 0)
- return log_oom();
-
- p->refuse_compression = true;
-
- r = dns_packet_append_blob(p, d, l, NULL);
- if (r < 0)
- return log_oom();
-
- r = dns_packet_read_rr(p, &rr, NULL, NULL);
- if (r < 0)
- return log_error_errno(r, "Failed to parse RR: %m");
-
- s = dns_resource_record_to_string(rr);
- if (!s)
- return log_oom();
-
- ifname[0] = 0;
- if (ifindex > 0 && !if_indextoname(ifindex, ifname))
- log_warning_errno(errno, "Failed to resolve interface name for index %i: %m", ifindex);
-
- printf("%s%s%s\n", s, isempty(ifname) ? "" : " # interface ", ifname);
- 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) {
- log_error("%s: no records found", name);
- return -ESRCH;
- }
-
- print_source(flags, ts);
-
- return 0;
-}
-
-static int resolve_rfc4501(sd_bus *bus, const char *name) {
- uint16_t type = 0, class = 0;
- const char *p, *q, *n;
- int r;
-
- assert(bus);
- assert(name);
- assert(startswith(name, "dns:"));
-
- /* Parse RFC 4501 dns: URIs */
-
- p = name + 4;
-
- if (p[0] == '/') {
- const char *e;
-
- if (p[1] != '/')
- goto invalid;
-
- e = strchr(p + 2, '/');
- if (!e)
- goto invalid;
-
- if (e != p + 2)
- log_warning("DNS authority specification not supported; ignoring specified authority.");
-
- p = e + 1;
- }
-
- q = strchr(p, '?');
- if (q) {
- n = strndupa(p, q - p);
- q++;
-
- for (;;) {
- const char *f;
-
- f = startswith_no_case(q, "class=");
- if (f) {
- _cleanup_free_ char *t = NULL;
- const char *e;
-
- if (class != 0) {
- log_error("DNS class specified twice.");
- return -EINVAL;
- }
-
- e = strchrnul(f, ';');
- t = strndup(f, e - f);
- if (!t)
- return log_oom();
-
- r = dns_class_from_string(t);
- if (r < 0) {
- log_error("Unknown DNS class %s.", t);
- return -EINVAL;
- }
-
- 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) {
- log_error("DNS type specified twice.");
- return -EINVAL;
- }
-
- e = strchrnul(f, ';');
- t = strndup(f, e - f);
- if (!t)
- return log_oom();
-
- r = dns_type_from_string(t);
- if (r < 0) {
- log_error("Unknown DNS type %s.", t);
- return -EINVAL;
- }
-
- type = r;
-
- if (*e == ';') {
- q = e + 1;
- continue;
- }
-
- break;
- }
-
- goto invalid;
- }
- } else
- n = p;
-
- if (type == 0)
- type = arg_type;
- if (type == 0)
- type = DNS_TYPE_A;
-
- if (class == 0)
- class = arg_class;
- if (class == 0)
- class = DNS_CLASS_IN;
-
- return resolve_record(bus, n, class, type);
-
-invalid:
- log_error("Invalid DNS URI: %s", name);
- return -EINVAL;
-}
-
-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;
- char ifname[IF_NAMESIZE] = "";
- size_t indent, sz;
- uint64_t flags;
- const char *p;
- unsigned c;
- usec_t ts;
- int r;
-
- assert(bus);
- assert(domain);
-
- if (isempty(name))
- name = NULL;
- if (isempty(type))
- type = NULL;
-
- if (arg_ifindex > 0 && !if_indextoname(arg_ifindex, ifname))
- return log_error_errno(errno, "Failed to resolve interface name for index %i: %m", arg_ifindex);
-
- 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(ifname) ? "*" : ifname);
- else if (type)
- log_debug("Resolving service type %s of %s (family %s, interface %s).", type, domain, af_to_name(arg_family) ?: "*", isempty(ifname) ? "*" : ifname);
- else
- log_debug("Resolving service type %s (family %s, interface %s).", domain, af_to_name(arg_family) ?: "*", isempty(ifname) ? "*" : ifname);
-
- r = sd_bus_message_new_method_call(
- bus,
- &req,
- "org.freedesktop.resolve1",
- "/org/freedesktop/resolve1",
- "org.freedesktop.resolve1.Manager",
- "ResolveService");
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_append(req, "isssit", arg_ifindex, name, type, domain, arg_family, arg_flags);
- if (r < 0)
- return bus_log_create_error(r);
-
- ts = now(CLOCK_MONOTONIC);
-
- r = sd_bus_call(bus, req, DNS_CALL_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;
- const void *a;
-
- assert_cc(sizeof(int) == sizeof(int32_t));
-
- r = sd_bus_message_read(reply, "ii", &ifindex, &family);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_read_array(reply, 'y', &a, &sz);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(reply);
- if (r < 0)
- return bus_log_parse_error(r);
-
- if (!IN_SET(family, AF_INET, AF_INET6)) {
- log_debug("%s: skipping entry with family %d (%s)", name, family, af_to_name(family) ?: "unknown");
- continue;
- }
-
- if (sz != FAMILY_ADDRESS_SIZE(family)) {
- log_error("%s: systemd-resolved returned address of invalid size %zu for family %s", name, sz, af_to_name(family) ?: "unknown");
- return -EINVAL;
- }
-
- ifname[0] = 0;
- if (ifindex > 0 && !if_indextoname(ifindex, ifname))
- log_warning_errno(errno, "Failed to resolve interface name for index %i: %m", ifindex);
-
- r = in_addr_to_string(family, a, &pretty);
- if (r < 0)
- return log_error_errno(r, "Failed to print address for %s: %m", name);
-
- printf("%*s%s%s%s\n", (int) indent, "", pretty, isempty(ifname) ? "" : "%s", ifname);
- }
- 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);
-
- c = 0;
- 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);
- 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, "ssst", &canonical_name, &canonical_type, &canonical_domain, &flags);
- if (r < 0)
- return bus_log_parse_error(r);
-
- if (isempty(canonical_name))
- canonical_name = NULL;
- if (isempty(canonical_type))
- canonical_type = NULL;
-
- 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 show_statistics(sd_bus *bus) {
- _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
- uint64_t n_current_transactions, n_total_transactions,
- cache_size, n_cache_hit, n_cache_miss,
- n_dnssec_secure, n_dnssec_insecure, n_dnssec_bogus, n_dnssec_indeterminate;
- int r, dnssec_supported;
-
- assert(bus);
-
- r = sd_bus_get_property_trivial(bus,
- "org.freedesktop.resolve1",
- "/org/freedesktop/resolve1",
- "org.freedesktop.resolve1.Manager",
- "DNSSECSupported",
- &error,
- 'b',
- &dnssec_supported);
- if (r < 0)
- return log_error_errno(r, "Failed to get DNSSEC supported state: %s", bus_error_message(&error, r));
-
- printf("DNSSEC supported by current servers: %s%s%s\n\n",
- ansi_highlight(),
- yes_no(dnssec_supported),
- ansi_normal());
-
- r = sd_bus_get_property(bus,
- "org.freedesktop.resolve1",
- "/org/freedesktop/resolve1",
- "org.freedesktop.resolve1.Manager",
- "TransactionStatistics",
- &error,
- &reply,
- "(tt)");
- if (r < 0)
- return log_error_errno(r, "Failed to get transaction statistics: %s", bus_error_message(&error, r));
-
- r = sd_bus_message_read(reply, "(tt)",
- &n_current_transactions,
- &n_total_transactions);
- if (r < 0)
- return bus_log_parse_error(r);
-
- printf("%sTransactions%s\n"
- "Current Transactions: %" PRIu64 "\n"
- " Total Transactions: %" PRIu64 "\n",
- ansi_highlight(),
- ansi_normal(),
- n_current_transactions,
- n_total_transactions);
-
- reply = sd_bus_message_unref(reply);
-
- r = sd_bus_get_property(bus,
- "org.freedesktop.resolve1",
- "/org/freedesktop/resolve1",
- "org.freedesktop.resolve1.Manager",
- "CacheStatistics",
- &error,
- &reply,
- "(ttt)");
- if (r < 0)
- return log_error_errno(r, "Failed to get cache statistics: %s", bus_error_message(&error, r));
-
- r = sd_bus_message_read(reply, "(ttt)",
- &cache_size,
- &n_cache_hit,
- &n_cache_miss);
- if (r < 0)
- return bus_log_parse_error(r);
-
- printf("\n%sCache%s\n"
- " Current Cache Size: %" PRIu64 "\n"
- " Cache Hits: %" PRIu64 "\n"
- " Cache Misses: %" PRIu64 "\n",
- ansi_highlight(),
- ansi_normal(),
- cache_size,
- n_cache_hit,
- n_cache_miss);
-
- reply = sd_bus_message_unref(reply);
-
- r = sd_bus_get_property(bus,
- "org.freedesktop.resolve1",
- "/org/freedesktop/resolve1",
- "org.freedesktop.resolve1.Manager",
- "DNSSECStatistics",
- &error,
- &reply,
- "(tttt)");
- if (r < 0)
- return log_error_errno(r, "Failed to get DNSSEC statistics: %s", bus_error_message(&error, r));
-
- r = sd_bus_message_read(reply, "(tttt)",
- &n_dnssec_secure,
- &n_dnssec_insecure,
- &n_dnssec_bogus,
- &n_dnssec_indeterminate);
- if (r < 0)
- return bus_log_parse_error(r);
-
- printf("\n%sDNSSEC%s\n"
- " Secure RRsets: %" PRIu64 "\n"
- " Insecure RRsets: %" PRIu64 "\n"
- " Bogus RRsets: %" PRIu64 "\n"
- "Indeterminate RRsets: %" PRIu64 "\n",
- ansi_highlight(),
- ansi_normal(),
- n_dnssec_secure,
- n_dnssec_insecure,
- n_dnssec_bogus,
- n_dnssec_indeterminate);
-
- return 0;
-}
-
-static int reset_statistics(sd_bus *bus) {
- _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
- int r;
-
- r = sd_bus_call_method(bus,
- "org.freedesktop.resolve1",
- "/org/freedesktop/resolve1",
- "org.freedesktop.resolve1.Manager",
- "ResetStatistics",
- &error,
- NULL,
- NULL);
- if (r < 0)
- return log_error_errno(r, "Failed to reset statistics: %s", bus_error_message(&error, r));
-
- return 0;
-}
-
-static void help_dns_types(void) {
- int i;
- const char *t;
-
- if (arg_legend)
- puts("Known DNS RR types:");
- for (i = 0; i < _DNS_TYPE_MAX; i++) {
- t = dns_type_to_string(i);
- if (t)
- puts(t);
- }
-}
-
-static void help_dns_classes(void) {
- int i;
- const char *t;
-
- if (arg_legend)
- puts("Known DNS RR classes:");
- for (i = 0; i < _DNS_CLASS_MAX; i++) {
- t = dns_class_to_string(i);
- if (t)
- puts(t);
- }
-}
-
-static void help(void) {
- printf("%s [OPTIONS...] NAME...\n"
- "%s [OPTIONS...] --service [[NAME] TYPE] DOMAIN\n\n"
- "Resolve domain names, IPv4 or IPv6 addresses, resource records, and services.\n\n"
- " -h --help Show this help\n"
- " --version Show package version\n"
- " -4 Resolve IPv4 addresses\n"
- " -6 Resolve IPv6 addresses\n"
- " -i --interface=INTERFACE Look on interface\n"
- " -p --protocol=PROTOCOL Look via protocol\n"
- " -t --type=TYPE Query RR with DNS type\n"
- " -c --class=CLASS Query RR with DNS class\n"
- " --service Resolve service (SRV)\n"
- " --service-address=BOOL Do [not] resolve address for services\n"
- " --service-txt=BOOL Do [not] resolve TXT records for services\n"
- " --cname=BOOL Do [not] follow CNAME redirects\n"
- " --search=BOOL Do [not] use search domains\n"
- " --legend=BOOL Do [not] print column headers\n"
- " --statistics Show resolver statistics\n"
- " --reset-statistics Reset resolver statistics\n"
- , program_invocation_short_name, program_invocation_short_name);
-}
-
-static int parse_argv(int argc, char *argv[]) {
- enum {
- ARG_VERSION = 0x100,
- ARG_LEGEND,
- ARG_SERVICE,
- ARG_CNAME,
- ARG_SERVICE_ADDRESS,
- ARG_SERVICE_TXT,
- ARG_SEARCH,
- ARG_STATISTICS,
- ARG_RESET_STATISTICS,
- };
-
- 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 },
- { "search", required_argument, NULL, ARG_SEARCH },
- { "statistics", no_argument, NULL, ARG_STATISTICS, },
- { "reset-statistics", no_argument, NULL, ARG_RESET_STATISTICS },
- {}
- };
-
- 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':
- help();
- return 0; /* done */;
-
- case ARG_VERSION:
- return version();
-
- case '4':
- arg_family = AF_INET;
- break;
-
- case '6':
- arg_family = AF_INET6;
- break;
-
- case 'i': {
- int ifi;
-
- if (parse_ifindex(optarg, &ifi) >= 0)
- arg_ifindex = ifi;
- else {
- ifi = if_nametoindex(optarg);
- if (ifi <= 0)
- return log_error_errno(errno, "Unknown interface %s: %m", optarg);
-
- arg_ifindex = ifi;
- }
-
- break;
- }
-
- case 't':
- if (streq(optarg, "help")) {
- help_dns_types();
- return 0;
- }
-
- r = dns_type_from_string(optarg);
- if (r < 0) {
- log_error("Failed to parse RR record type %s", optarg);
- return r;
- }
- arg_type = (uint16_t) r;
- assert((int) arg_type == r);
-
- arg_mode = MODE_RESOLVE_RECORD;
- break;
-
- case 'c':
- if (streq(optarg, "help")) {
- help_dns_classes();
- return 0;
- }
-
- r = dns_class_from_string(optarg);
- if (r < 0) {
- log_error("Failed to parse RR record class %s", optarg);
- return r;
- }
- arg_class = (uint16_t) r;
- assert((int) arg_class == r);
-
- break;
-
- case ARG_LEGEND:
- r = parse_boolean(optarg);
- if (r < 0)
- return log_error_errno(r, "Failed to parse --legend= argument");
-
- arg_legend = r;
- break;
-
- case 'p':
- if (streq(optarg, "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 {
- log_error("Unknown protocol specifier: %s", optarg);
- return -EINVAL;
- }
-
- break;
-
- case ARG_SERVICE:
- arg_mode = MODE_RESOLVE_SERVICE;
- break;
-
- case ARG_CNAME:
- r = parse_boolean(optarg);
- if (r < 0)
- return log_error_errno(r, "Failed to parse --cname= argument.");
- if (r == 0)
- arg_flags |= SD_RESOLVED_NO_CNAME;
- else
- arg_flags &= ~SD_RESOLVED_NO_CNAME;
- break;
-
- case ARG_SERVICE_ADDRESS:
- r = parse_boolean(optarg);
- if (r < 0)
- return log_error_errno(r, "Failed to parse --service-address= argument.");
- if (r == 0)
- arg_flags |= SD_RESOLVED_NO_ADDRESS;
- else
- arg_flags &= ~SD_RESOLVED_NO_ADDRESS;
- break;
-
- case ARG_SERVICE_TXT:
- r = parse_boolean(optarg);
- if (r < 0)
- return log_error_errno(r, "Failed to parse --service-txt= argument.");
- if (r == 0)
- arg_flags |= SD_RESOLVED_NO_TXT;
- else
- arg_flags &= ~SD_RESOLVED_NO_TXT;
- break;
-
- case ARG_SEARCH:
- r = parse_boolean(optarg);
- if (r < 0)
- return log_error_errno(r, "Failed to parse --search argument.");
- if (r == 0)
- arg_flags |= SD_RESOLVED_NO_SEARCH;
- else
- arg_flags &= ~SD_RESOLVED_NO_SEARCH;
- break;
-
- case ARG_STATISTICS:
- arg_mode = MODE_STATISTICS;
- break;
-
- case ARG_RESET_STATISTICS:
- arg_mode = MODE_RESET_STATISTICS;
- break;
-
- case '?':
- return -EINVAL;
-
- default:
- assert_not_reached("Unhandled option");
- }
-
- if (arg_type == 0 && arg_class != 0) {
- log_error("--class= may only be used in conjunction with --type=.");
- return -EINVAL;
- }
-
- if (arg_type != 0 && arg_mode != MODE_RESOLVE_RECORD) {
- log_error("--service and --type= may not be combined.");
- return -EINVAL;
- }
-
- 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 */;
-}
-
-int main(int argc, char **argv) {
- _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
- int r;
-
- log_parse_environment();
- log_open();
-
- r = parse_argv(argc, argv);
- if (r <= 0)
- goto finish;
-
- r = sd_bus_open_system(&bus);
- if (r < 0) {
- log_error_errno(r, "sd_bus_open_system: %m");
- goto finish;
- }
-
- switch (arg_mode) {
-
- case MODE_RESOLVE_HOST:
- if (optind >= argc) {
- log_error("No arguments passed");
- r = -EINVAL;
- goto finish;
- }
-
- while (argv[optind]) {
- int family, ifindex, k;
- union in_addr_union a;
-
- if (startswith(argv[optind], "dns:"))
- k = resolve_rfc4501(bus, argv[optind]);
- else {
- k = parse_address(argv[optind], &family, &a, &ifindex);
- if (k >= 0)
- k = resolve_address(bus, family, &a, ifindex);
- else
- k = resolve_host(bus, argv[optind]);
- }
-
- if (r == 0)
- r = k;
-
- optind++;
- }
- break;
-
- case MODE_RESOLVE_RECORD:
- if (optind >= argc) {
- log_error("No arguments passed");
- r = -EINVAL;
- goto finish;
- }
-
- while (argv[optind]) {
- int k;
-
- k = resolve_record(bus, argv[optind], arg_class, arg_type);
- if (r == 0)
- r = k;
-
- optind++;
- }
- break;
-
- case MODE_RESOLVE_SERVICE:
- if (argc < optind + 1) {
- log_error("Domain specification required.");
- r = -EINVAL;
- goto finish;
-
- } else if (argc == optind + 1)
- r = resolve_service(bus, NULL, NULL, argv[optind]);
- else if (argc == optind + 2)
- r = resolve_service(bus, NULL, argv[optind], argv[optind+1]);
- else if (argc == optind + 3)
- r = resolve_service(bus, argv[optind], argv[optind+1], argv[optind+2]);
- else {
- log_error("Too many arguments");
- r = -EINVAL;
- goto finish;
- }
-
- break;
-
- case MODE_STATISTICS:
- if (argc > optind) {
- log_error("Too many arguments.");
- r = -EINVAL;
- goto finish;
- }
-
- r = show_statistics(bus);
- break;
-
- case MODE_RESET_STATISTICS:
- if (argc > optind) {
- log_error("Too many arguments.");
- r = -EINVAL;
- goto finish;
- }
-
- r = reset_statistics(bus);
- break;
- }
-
-finish:
- return r == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
-}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-27 19:47:21 +0000