#include "build.h"
#include "resolved-dns-packet.h"
+#include "resolved-def.h"
#define DNS_CALL_TIMEOUT_USEC (45*USEC_PER_SEC)
static int arg_type = 0;
static uint16_t arg_class = 0;
static bool arg_legend = true;
+static uint64_t arg_flags = 0;
+
+static void print_source(int ifindex, uint64_t flags) {
+
+ if (!arg_legend)
+ return;
+
+ if (ifindex <= 0 && flags == 0)
+ return;
+
+ fputs("\n-- Information acquired via", stdout);
+
+ if (flags != 0)
+ printf(" protocol%s%s%s",
+ flags & SD_RESOLVED_DNS ? " DNS" :"",
+ flags & SD_RESOLVED_LLMNR_IPV4 ? " LLMNR/IPv4" : "",
+ flags & SD_RESOLVED_LLMNR_IPV6 ? " LLMNR/IPv6" : "");
+
+ if (ifindex > 0) {
+ char ifname[IF_NAMESIZE] = "";
+ printf(" interface %s", strna(if_indextoname(ifindex, ifname)));
+ }
+
+ fputc('.', stdout);
+ fputc('\n', stdout);
+}
static int resolve_host(sd_bus *bus, const char *name) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
const char *canonical = NULL;
unsigned c = 0;
- int r;
+ int r, ifindex;
+ uint64_t flags;
assert(name);
if (r < 0)
return bus_log_create_error(r);
- r = sd_bus_message_append(req, "si", name, arg_family);
+ r = sd_bus_message_append(req, "isit", arg_ifindex, name, arg_family, arg_flags);
if (r < 0)
return bus_log_create_error(r);
return r;
}
- r = sd_bus_message_enter_container(reply, 'a', "(iayi)");
+ r = sd_bus_message_read(reply, "i", &ifindex);
if (r < 0)
return bus_log_parse_error(r);
- while ((r = sd_bus_message_enter_container(reply, 'r', "iayi")) > 0) {
+ r = sd_bus_message_enter_container(reply, 'a', "(iay)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_enter_container(reply, 'r', "iay")) > 0) {
const void *a;
- int family, ifindex;
+ int family;
size_t sz;
_cleanup_free_ char *pretty = NULL;
char ifname[IF_NAMESIZE] = "";
if (r < 0)
return bus_log_parse_error(r);
- r = sd_bus_message_read(reply, "i", &ifindex);
- 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);
continue;
}
- if (ifindex < 0) {
- log_error("%s: systemd-resolved returned invalid interface index %i",
- name, ifindex);
- continue;
- }
-
if (ifindex > 0) {
char *t;
}
}
- if (arg_ifindex > 0 && ifindex > 0 && ifindex != arg_ifindex) {
- log_debug("%s: skipping entry with ifindex %i (%s)",
- name, ifindex, ifname);
- continue;
- }
-
r = in_addr_to_string(family, a, &pretty);
if (r < 0) {
log_error("%s: failed to print address: %s", name, strerror(-r));
if (r < 0)
return bus_log_parse_error(r);
- r = sd_bus_message_read(reply, "s", &canonical);
+ r = sd_bus_message_read(reply, "st", &canonical, &flags);
if (r < 0)
return bus_log_parse_error(r);
return -ESRCH;
}
+ print_source(ifindex, flags);
+
return 0;
}
_cleanup_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;
const char *n;
int r;
if (r < 0)
return bus_log_create_error(r);
- r = sd_bus_message_append(req, "i", family);
+ r = sd_bus_message_append(req, "ii", ifindex, family);
if (r < 0)
return bus_log_create_error(r);
if (r < 0)
return bus_log_create_error(r);
- r = sd_bus_message_append(req, "i", ifindex);
+ r = sd_bus_message_append(req, "t", arg_flags);
if (r < 0)
return bus_log_create_error(r);
return r;
}
+ r = sd_bus_message_read(reply, "i", &ifindex);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
r = sd_bus_message_enter_container(reply, 'a', "s");
if (r < 0)
return bus_log_create_error(r);
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(ifindex, flags);
+
return 0;
}
_cleanup_bus_message_unref_ sd_bus_message *req = NULL, *reply = NULL;
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
unsigned n = 0;
- int r;
+ uint64_t flags;
+ int r, ifindex;
assert(name);
return bus_log_create_error(r);
assert((uint16_t) arg_type == arg_type);
- r = sd_bus_message_append(req, "sqq", name, arg_class, arg_type);
+ r = sd_bus_message_append(req, "isqqt", arg_ifindex, name, arg_class, arg_type, arg_flags);
if (r < 0)
return bus_log_create_error(r);
return r;
}
+ r = sd_bus_message_read(reply, "i", &ifindex);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
r = sd_bus_message_enter_container(reply, 'a', "(qqay)");
if (r < 0)
return bus_log_parse_error(r);
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(ifindex, flags);
+
return 0;
}
static void help(void) {
printf("%s [OPTIONS...]\n\n"
"Resolve IPv4 or IPv6 addresses.\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 Filter by interface\n"
- " -t --type=TYPE Query RR with DNS type\n"
- " -c --class=CLASS Query RR with DNS class\n"
- " --no-legend Do not print column headers\n"
+ " -h --help Show this help\n"
+ " --version Show package version\n"
+ " -4 Resolve IPv4 addresses\n"
+ " -6 Resolve IPv6 addresses\n"
+ " -i 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"
+ " --legend[=BOOL] Do [not] print column headers\n"
, program_invocation_short_name);
}
static int parse_argv(int argc, char *argv[]) {
enum {
ARG_VERSION = 0x100,
- ARG_NO_LEGEND,
+ ARG_LEGEND,
};
static const struct option options[] = {
- { "help", no_argument, NULL, 'h' },
- { "version", no_argument, NULL, ARG_VERSION },
- { "type", no_argument, NULL, 't' },
- { "class", no_argument, NULL, 'c' },
- { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, ARG_VERSION },
+ { "type", required_argument, NULL, 't' },
+ { "class", required_argument, NULL, 'c' },
+ { "legend", optional_argument, NULL, ARG_LEGEND },
+ { "protocol", required_argument, NULL, 'p' },
{}
};
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "h46i:t:c:", options, NULL)) >= 0)
+ while ((c = getopt_long(argc, argv, "h46i:t:c:p:", options, NULL)) >= 0)
switch(c) {
case 'h':
break;
- case ARG_NO_LEGEND:
- arg_legend = false;
+ case ARG_LEGEND:
+ if (optarg) {
+ r = parse_boolean(optarg);
+ if (r < 0) {
+ log_error("Failed to parse --legend= argument");
+ return r;
+ }
+
+ arg_legend = !!r;
+ } else
+ arg_legend = false;
+ 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 '?':
~ianmdlvl / elogind.git / blobdiff