1860 lines
63 KiB
C
1860 lines
63 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2013 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <getopt.h>
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#include "strv.h"
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#include "util.h"
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#include "log.h"
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#include "build.h"
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#include "pager.h"
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#include "xml.h"
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#include "path-util.h"
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#include "sd-bus.h"
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#include "bus-message.h"
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#include "bus-internal.h"
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#include "bus-util.h"
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#include "bus-dump.h"
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#include "bus-signature.h"
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static bool arg_no_pager = false;
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static bool arg_legend = true;
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static char *arg_address = NULL;
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static bool arg_unique = false;
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static bool arg_acquired = false;
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static bool arg_activatable = false;
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static bool arg_show_machine = false;
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static char **arg_matches = NULL;
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static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
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static char *arg_host = NULL;
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static bool arg_user = false;
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static size_t arg_snaplen = 4096;
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static bool arg_list = false;
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static bool arg_quiet = false;
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static void pager_open_if_enabled(void) {
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/* Cache result before we open the pager */
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if (arg_no_pager)
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return;
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pager_open(false);
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}
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static int list_bus_names(sd_bus *bus, char **argv) {
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_cleanup_strv_free_ char **acquired = NULL, **activatable = NULL;
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_cleanup_free_ char **merged = NULL;
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_cleanup_hashmap_free_ Hashmap *names = NULL;
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char **i;
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int r;
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size_t max_i = 0;
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unsigned n = 0;
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void *v;
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char *k;
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Iterator iterator;
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assert(bus);
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if (!arg_unique && !arg_acquired && !arg_activatable)
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arg_unique = arg_acquired = arg_activatable = true;
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r = sd_bus_list_names(bus, (arg_acquired || arg_unique) ? &acquired : NULL, arg_activatable ? &activatable : NULL);
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if (r < 0) {
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log_error("Failed to list names: %s", strerror(-r));
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return r;
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}
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pager_open_if_enabled();
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names = hashmap_new(&string_hash_ops);
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if (!names)
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return log_oom();
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STRV_FOREACH(i, acquired) {
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max_i = MAX(max_i, strlen(*i));
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r = hashmap_put(names, *i, INT_TO_PTR(1));
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if (r < 0) {
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log_error("Failed to add to hashmap: %s", strerror(-r));
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return r;
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}
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}
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STRV_FOREACH(i, activatable) {
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max_i = MAX(max_i, strlen(*i));
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r = hashmap_put(names, *i, INT_TO_PTR(2));
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if (r < 0 && r != -EEXIST) {
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log_error("Failed to add to hashmap: %s", strerror(-r));
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return r;
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}
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}
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merged = new(char*, hashmap_size(names) + 1);
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HASHMAP_FOREACH_KEY(v, k, names, iterator)
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merged[n++] = k;
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merged[n] = NULL;
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strv_sort(merged);
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if (arg_legend) {
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printf("%-*s %*s %-*s %-*s %-*s %-*s %-*s %-*s",
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(int) max_i, "NAME", 10, "PID", 15, "PROCESS", 16, "USER", 13, "CONNECTION", 25, "UNIT", 10, "SESSION", 19, "DESCRIPTION");
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if (arg_show_machine)
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puts(" MACHINE");
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else
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putchar('\n');
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}
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STRV_FOREACH(i, merged) {
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_cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
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sd_id128_t mid;
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if (hashmap_get(names, *i) == INT_TO_PTR(2)) {
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/* Activatable */
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printf("%-*s", (int) max_i, *i);
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printf(" - - - (activatable) - - ");
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if (arg_show_machine)
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puts(" -");
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else
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putchar('\n');
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continue;
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}
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if (!arg_unique && (*i)[0] == ':')
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continue;
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if (!arg_acquired && (*i)[0] != ':')
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continue;
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printf("%-*s", (int) max_i, *i);
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r = sd_bus_get_name_creds(bus, *i,
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SD_BUS_CREDS_UID|SD_BUS_CREDS_PID|SD_BUS_CREDS_COMM|
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SD_BUS_CREDS_UNIQUE_NAME|SD_BUS_CREDS_UNIT|SD_BUS_CREDS_SESSION|
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SD_BUS_CREDS_DESCRIPTION, &creds);
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if (r >= 0) {
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const char *unique, *session, *unit, *cn;
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pid_t pid;
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uid_t uid;
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r = sd_bus_creds_get_pid(creds, &pid);
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if (r >= 0) {
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const char *comm = NULL;
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sd_bus_creds_get_comm(creds, &comm);
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printf(" %10lu %-15s", (unsigned long) pid, strna(comm));
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} else
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fputs(" - - ", stdout);
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r = sd_bus_creds_get_uid(creds, &uid);
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if (r >= 0) {
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_cleanup_free_ char *u = NULL;
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u = uid_to_name(uid);
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if (!u)
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return log_oom();
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if (strlen(u) > 16)
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u[16] = 0;
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printf(" %-16s", u);
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} else
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fputs(" - ", stdout);
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r = sd_bus_creds_get_unique_name(creds, &unique);
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if (r >= 0)
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printf(" %-13s", unique);
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else
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fputs(" - ", stdout);
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r = sd_bus_creds_get_unit(creds, &unit);
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if (r >= 0) {
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_cleanup_free_ char *e;
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e = ellipsize(unit, 25, 100);
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if (!e)
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return log_oom();
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printf(" %-25s", e);
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} else
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fputs(" - ", stdout);
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r = sd_bus_creds_get_session(creds, &session);
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if (r >= 0)
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printf(" %-10s", session);
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else
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fputs(" - ", stdout);
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r = sd_bus_creds_get_description(creds, &cn);
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if (r >= 0)
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printf(" %-19s", cn);
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else
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fputs(" - ", stdout);
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} else
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printf(" - - - - - - - ");
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if (arg_show_machine) {
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r = sd_bus_get_name_machine_id(bus, *i, &mid);
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if (r >= 0) {
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char m[SD_ID128_STRING_MAX];
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printf(" %s\n", sd_id128_to_string(mid, m));
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} else
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puts(" -");
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} else
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putchar('\n');
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}
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return 0;
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}
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static void print_subtree(const char *prefix, const char *path, char **l) {
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const char *vertical, *space;
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char **n;
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/* We assume the list is sorted. Let's first skip over the
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* entry we are looking at. */
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for (;;) {
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if (!*l)
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return;
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if (!streq(*l, path))
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break;
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l++;
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}
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vertical = strappenda(prefix, draw_special_char(DRAW_TREE_VERTICAL));
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space = strappenda(prefix, draw_special_char(DRAW_TREE_SPACE));
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for (;;) {
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bool has_more = false;
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if (!*l || !path_startswith(*l, path))
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break;
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n = l + 1;
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for (;;) {
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if (!*n || !path_startswith(*n, path))
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break;
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if (!path_startswith(*n, *l)) {
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has_more = true;
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break;
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}
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n++;
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}
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printf("%s%s%s\n", prefix, draw_special_char(has_more ? DRAW_TREE_BRANCH : DRAW_TREE_RIGHT), *l);
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print_subtree(has_more ? vertical : space, *l, l);
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l = n;
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}
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}
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static void print_tree(const char *prefix, char **l) {
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pager_open_if_enabled();
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prefix = strempty(prefix);
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if (arg_list) {
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char **i;
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STRV_FOREACH(i, l)
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printf("%s%s\n", prefix, *i);
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return;
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}
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if (strv_isempty(l)) {
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printf("No objects discovered.\n");
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return;
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}
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if (streq(l[0], "/") && !l[1]) {
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printf("Only root object discovered.\n");
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return;
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}
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print_subtree(prefix, "/", l);
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}
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static int parse_xml_annotation(
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const char **p,
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void **xml_state) {
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enum {
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STATE_ANNOTATION,
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STATE_NAME,
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STATE_VALUE
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} state = STATE_ANNOTATION;
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for (;;) {
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_cleanup_free_ char *name = NULL;
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int t;
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t = xml_tokenize(p, &name, xml_state, NULL);
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if (t < 0) {
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log_error("XML parse error.");
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return t;
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}
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if (t == XML_END) {
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log_error("Premature end of XML data.");
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return -EBADMSG;
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}
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switch (state) {
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case STATE_ANNOTATION:
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if (t == XML_ATTRIBUTE_NAME) {
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if (streq_ptr(name, "name"))
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state = STATE_NAME;
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else if (streq_ptr(name, "value"))
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state = STATE_VALUE;
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else {
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log_error("Unexpected <annotation> attribute %s.", name);
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return -EBADMSG;
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}
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} else if (t == XML_TAG_CLOSE_EMPTY ||
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(t == XML_TAG_CLOSE && streq_ptr(name, "annotation")))
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return 0;
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else if (t != XML_TEXT || !in_charset(name, WHITESPACE)) {
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log_error("Unexpected token in <annotation>. (1)");
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return -EINVAL;
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}
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break;
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case STATE_NAME:
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if (t == XML_ATTRIBUTE_VALUE)
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state = STATE_ANNOTATION;
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else {
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log_error("Unexpected token in <annotation>. (2)");
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return -EINVAL;
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}
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break;
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case STATE_VALUE:
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if (t == XML_ATTRIBUTE_VALUE)
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state = STATE_ANNOTATION;
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else {
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log_error("Unexpected token in <annotation>. (3)");
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return -EINVAL;
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}
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break;
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default:
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assert_not_reached("Bad state");
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}
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}
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}
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static int parse_xml_node(
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const char *prefix,
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Set *paths,
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const char **p,
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void **xml_state) {
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enum {
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STATE_NODE,
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STATE_NODE_NAME,
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STATE_INTERFACE,
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STATE_INTERFACE_NAME,
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STATE_METHOD,
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STATE_METHOD_NAME,
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STATE_METHOD_ARG,
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STATE_METHOD_ARG_NAME,
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STATE_METHOD_ARG_TYPE,
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STATE_METHOD_ARG_DIRECTION,
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STATE_SIGNAL,
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STATE_SIGNAL_NAME,
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STATE_SIGNAL_ARG,
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STATE_SIGNAL_ARG_NAME,
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STATE_SIGNAL_ARG_TYPE,
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STATE_PROPERTY,
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STATE_PROPERTY_NAME,
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STATE_PROPERTY_TYPE,
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STATE_PROPERTY_ACCESS,
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} state = STATE_NODE;
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_cleanup_free_ char *node_path = NULL;
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const char *np = prefix;
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int r;
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for (;;) {
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_cleanup_free_ char *name = NULL;
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int t;
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t = xml_tokenize(p, &name, xml_state, NULL);
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if (t < 0) {
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log_error("XML parse error.");
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return t;
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}
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if (t == XML_END) {
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log_error("Premature end of XML data.");
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return -EBADMSG;
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}
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switch (state) {
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case STATE_NODE:
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if (t == XML_ATTRIBUTE_NAME) {
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if (streq_ptr(name, "name"))
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state = STATE_NODE_NAME;
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else {
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log_error("Unexpected <node> attribute %s.", name);
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return -EBADMSG;
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}
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} else if (t == XML_TAG_OPEN) {
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if (streq_ptr(name, "interface"))
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state = STATE_INTERFACE;
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else if (streq_ptr(name, "node")) {
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r = parse_xml_node(np, paths, p, xml_state);
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if (r < 0)
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return r;
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} else {
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log_error("Unexpected <node> tag %s.", name);
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return -EBADMSG;
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}
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} else if (t == XML_TAG_CLOSE_EMPTY ||
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(t == XML_TAG_CLOSE && streq_ptr(name, "node"))) {
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if (paths) {
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if (!node_path) {
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node_path = strdup(np);
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if (!node_path)
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return log_oom();
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}
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r = set_put(paths, node_path);
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if (r < 0)
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return log_oom();
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else if (r > 0)
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node_path = NULL;
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}
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return 0;
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} else if (t != XML_TEXT || !in_charset(name, WHITESPACE)) {
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log_error("Unexpected token in <node>. (1)");
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return -EINVAL;
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}
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break;
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case STATE_NODE_NAME:
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if (t == XML_ATTRIBUTE_VALUE) {
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free(node_path);
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if (name[0] == '/') {
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node_path = name;
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name = NULL;
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} else {
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if (endswith(prefix, "/"))
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node_path = strappend(prefix, name);
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else
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node_path = strjoin(prefix, "/", name, NULL);
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if (!node_path)
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return log_oom();
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}
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np = node_path;
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state = STATE_NODE;
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} else {
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log_error("Unexpected token in <node>. (2)");
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return -EINVAL;
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}
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break;
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case STATE_INTERFACE:
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if (t == XML_ATTRIBUTE_NAME) {
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if (streq_ptr(name, "name"))
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state = STATE_INTERFACE_NAME;
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else {
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log_error("Unexpected <interface> attribute %s.", name);
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return -EBADMSG;
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}
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} else if (t == XML_TAG_OPEN) {
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if (streq_ptr(name, "method"))
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state = STATE_METHOD;
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else if (streq_ptr(name, "signal"))
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state = STATE_SIGNAL;
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else if (streq_ptr(name, "property"))
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state = STATE_PROPERTY;
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else if (streq_ptr(name, "annotation")) {
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r = parse_xml_annotation(p, xml_state);
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if (r < 0)
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return r;
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} else {
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log_error("Unexpected <interface> tag %s.", name);
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return -EINVAL;
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}
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} else if (t == XML_TAG_CLOSE_EMPTY ||
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(t == XML_TAG_CLOSE && streq_ptr(name, "interface")))
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state = STATE_NODE;
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else if (t != XML_TEXT || !in_charset(name, WHITESPACE)) {
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log_error("Unexpected token in <interface>. (1)");
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return -EINVAL;
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}
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break;
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case STATE_INTERFACE_NAME:
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if (t == XML_ATTRIBUTE_VALUE)
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state = STATE_INTERFACE;
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else {
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log_error("Unexpected token in <interface>. (2)");
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return -EINVAL;
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}
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|
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break;
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case STATE_METHOD:
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if (t == XML_ATTRIBUTE_NAME) {
|
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if (streq_ptr(name, "name"))
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state = STATE_METHOD_NAME;
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|
else {
|
|
log_error("Unexpected <method> attribute %s", name);
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|
return -EBADMSG;
|
|
}
|
|
} else if (t == XML_TAG_OPEN) {
|
|
if (streq_ptr(name, "arg"))
|
|
state = STATE_METHOD_ARG;
|
|
else if (streq_ptr(name, "annotation")) {
|
|
r = parse_xml_annotation(p, xml_state);
|
|
if (r < 0)
|
|
return r;
|
|
} else {
|
|
log_error("Unexpected <method> tag %s.", name);
|
|
return -EINVAL;
|
|
}
|
|
} else if (t == XML_TAG_CLOSE_EMPTY ||
|
|
(t == XML_TAG_CLOSE && streq_ptr(name, "method")))
|
|
|
|
state = STATE_INTERFACE;
|
|
|
|
else if (t != XML_TEXT || !in_charset(name, WHITESPACE)) {
|
|
log_error("Unexpected token in <method> (1).");
|
|
return -EINVAL;
|
|
}
|
|
|
|
break;
|
|
|
|
case STATE_METHOD_NAME:
|
|
|
|
if (t == XML_ATTRIBUTE_VALUE)
|
|
state = STATE_METHOD;
|
|
else {
|
|
log_error("Unexpected token in <method> (2).");
|
|
return -EINVAL;
|
|
}
|
|
|
|
break;
|
|
|
|
case STATE_METHOD_ARG:
|
|
|
|
if (t == XML_ATTRIBUTE_NAME) {
|
|
if (streq_ptr(name, "name"))
|
|
state = STATE_METHOD_ARG_NAME;
|
|
else if (streq_ptr(name, "type"))
|
|
state = STATE_METHOD_ARG_TYPE;
|
|
else if (streq_ptr(name, "direction"))
|
|
state = STATE_METHOD_ARG_DIRECTION;
|
|
else {
|
|
log_error("Unexpected method <arg> attribute %s.", name);
|
|
return -EBADMSG;
|
|
}
|
|
} else if (t == XML_TAG_OPEN) {
|
|
if (streq_ptr(name, "annotation")) {
|
|
r = parse_xml_annotation(p, xml_state);
|
|
if (r < 0)
|
|
return r;
|
|
} else {
|
|
log_error("Unexpected method <arg> tag %s.", name);
|
|
return -EINVAL;
|
|
}
|
|
} else if (t == XML_TAG_CLOSE_EMPTY ||
|
|
(t == XML_TAG_CLOSE && streq_ptr(name, "arg")))
|
|
|
|
state = STATE_METHOD;
|
|
|
|
else if (t != XML_TEXT || !in_charset(name, WHITESPACE)) {
|
|
log_error("Unexpected token in method <arg>. (1)");
|
|
return -EINVAL;
|
|
}
|
|
|
|
break;
|
|
|
|
case STATE_METHOD_ARG_NAME:
|
|
|
|
if (t == XML_ATTRIBUTE_VALUE)
|
|
state = STATE_METHOD_ARG;
|
|
else {
|
|
log_error("Unexpected token in method <arg>. (2)");
|
|
return -EINVAL;
|
|
}
|
|
|
|
break;
|
|
|
|
case STATE_METHOD_ARG_TYPE:
|
|
|
|
if (t == XML_ATTRIBUTE_VALUE)
|
|
state = STATE_METHOD_ARG;
|
|
else {
|
|
log_error("Unexpected token in method <arg>. (3)");
|
|
return -EINVAL;
|
|
}
|
|
|
|
break;
|
|
|
|
case STATE_METHOD_ARG_DIRECTION:
|
|
|
|
if (t == XML_ATTRIBUTE_VALUE)
|
|
state = STATE_METHOD_ARG;
|
|
else {
|
|
log_error("Unexpected token in method <arg>. (4)");
|
|
return -EINVAL;
|
|
}
|
|
|
|
break;
|
|
|
|
case STATE_SIGNAL:
|
|
|
|
if (t == XML_ATTRIBUTE_NAME) {
|
|
if (streq_ptr(name, "name"))
|
|
state = STATE_SIGNAL_NAME;
|
|
else {
|
|
log_error("Unexpected <signal> attribute %s.", name);
|
|
return -EBADMSG;
|
|
}
|
|
} else if (t == XML_TAG_OPEN) {
|
|
if (streq_ptr(name, "arg"))
|
|
state = STATE_SIGNAL_ARG;
|
|
else if (streq_ptr(name, "annotation")) {
|
|
r = parse_xml_annotation(p, xml_state);
|
|
if (r < 0)
|
|
return r;
|
|
} else {
|
|
log_error("Unexpected <signal> tag %s.", name);
|
|
return -EINVAL;
|
|
}
|
|
} else if (t == XML_TAG_CLOSE_EMPTY ||
|
|
(t == XML_TAG_CLOSE && streq_ptr(name, "signal")))
|
|
|
|
state = STATE_INTERFACE;
|
|
|
|
else if (t != XML_TEXT || !in_charset(name, WHITESPACE)) {
|
|
log_error("Unexpected token in <signal>. (1)");
|
|
return -EINVAL;
|
|
}
|
|
|
|
break;
|
|
|
|
case STATE_SIGNAL_NAME:
|
|
|
|
if (t == XML_ATTRIBUTE_VALUE)
|
|
state = STATE_SIGNAL;
|
|
else {
|
|
log_error("Unexpected token in <signal>. (2)");
|
|
return -EINVAL;
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
case STATE_SIGNAL_ARG:
|
|
|
|
if (t == XML_ATTRIBUTE_NAME) {
|
|
if (streq_ptr(name, "name"))
|
|
state = STATE_SIGNAL_ARG_NAME;
|
|
else if (streq_ptr(name, "type"))
|
|
state = STATE_SIGNAL_ARG_TYPE;
|
|
else {
|
|
log_error("Unexpected signal <arg> attribute %s.", name);
|
|
return -EBADMSG;
|
|
}
|
|
} else if (t == XML_TAG_OPEN) {
|
|
if (streq_ptr(name, "annotation")) {
|
|
r = parse_xml_annotation(p, xml_state);
|
|
if (r < 0)
|
|
return r;
|
|
} else {
|
|
log_error("Unexpected signal <arg> tag %s.", name);
|
|
return -EINVAL;
|
|
}
|
|
} else if (t == XML_TAG_CLOSE_EMPTY ||
|
|
(t == XML_TAG_CLOSE && streq_ptr(name, "arg")))
|
|
|
|
state = STATE_SIGNAL;
|
|
|
|
else if (t != XML_TEXT || !in_charset(name, WHITESPACE)) {
|
|
log_error("Unexpected token in signal <arg> (1).");
|
|
return -EINVAL;
|
|
}
|
|
|
|
break;
|
|
|
|
case STATE_SIGNAL_ARG_NAME:
|
|
|
|
if (t == XML_ATTRIBUTE_VALUE)
|
|
state = STATE_SIGNAL_ARG;
|
|
else {
|
|
log_error("Unexpected token in signal <arg> (2).");
|
|
return -EINVAL;
|
|
}
|
|
|
|
break;
|
|
|
|
case STATE_SIGNAL_ARG_TYPE:
|
|
|
|
if (t == XML_ATTRIBUTE_VALUE)
|
|
state = STATE_SIGNAL_ARG;
|
|
else {
|
|
log_error("Unexpected token in signal <arg> (3).");
|
|
return -EINVAL;
|
|
}
|
|
|
|
break;
|
|
|
|
case STATE_PROPERTY:
|
|
|
|
if (t == XML_ATTRIBUTE_NAME) {
|
|
if (streq_ptr(name, "name"))
|
|
state = STATE_PROPERTY_NAME;
|
|
else if (streq_ptr(name, "type"))
|
|
state = STATE_PROPERTY_TYPE;
|
|
else if (streq_ptr(name, "access"))
|
|
state = STATE_PROPERTY_ACCESS;
|
|
else {
|
|
log_error("Unexpected <property> attribute %s.", name);
|
|
return -EBADMSG;
|
|
}
|
|
} else if (t == XML_TAG_OPEN) {
|
|
|
|
if (streq_ptr(name, "annotation")) {
|
|
r = parse_xml_annotation(p, xml_state);
|
|
if (r < 0)
|
|
return r;
|
|
} else {
|
|
log_error("Unexpected <property> tag %s.", name);
|
|
return -EINVAL;
|
|
}
|
|
|
|
} else if (t == XML_TAG_CLOSE_EMPTY ||
|
|
(t == XML_TAG_CLOSE && streq_ptr(name, "property")))
|
|
|
|
state = STATE_INTERFACE;
|
|
|
|
else if (t != XML_TEXT || !in_charset(name, WHITESPACE)) {
|
|
log_error("Unexpected token in <property>. (1)");
|
|
return -EINVAL;
|
|
}
|
|
|
|
break;
|
|
|
|
case STATE_PROPERTY_NAME:
|
|
|
|
if (t == XML_ATTRIBUTE_VALUE)
|
|
state = STATE_PROPERTY;
|
|
else {
|
|
log_error("Unexpected token in <property>. (2)");
|
|
return -EINVAL;
|
|
}
|
|
|
|
break;
|
|
|
|
case STATE_PROPERTY_TYPE:
|
|
|
|
if (t == XML_ATTRIBUTE_VALUE)
|
|
state = STATE_PROPERTY;
|
|
else {
|
|
log_error("Unexpected token in <property>. (3)");
|
|
return -EINVAL;
|
|
}
|
|
|
|
break;
|
|
|
|
case STATE_PROPERTY_ACCESS:
|
|
|
|
if (t == XML_ATTRIBUTE_VALUE)
|
|
state = STATE_PROPERTY;
|
|
else {
|
|
log_error("Unexpected token in <property>. (4)");
|
|
return -EINVAL;
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int find_nodes(sd_bus *bus, const char *service, const char *path, Set *paths) {
|
|
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
|
|
_cleanup_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
const char *xml, *p;
|
|
void *xml_state = NULL;
|
|
int r;
|
|
|
|
r = sd_bus_call_method(bus, service, path, "org.freedesktop.DBus.Introspectable", "Introspect", &error, &reply, "");
|
|
if (r < 0) {
|
|
log_error("Failed to introspect object %s of service %s: %s", path, service, bus_error_message(&error, r));
|
|
return r;
|
|
}
|
|
|
|
r = sd_bus_message_read(reply, "s", &xml);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
/* fputs(xml, stdout); */
|
|
|
|
p = xml;
|
|
for (;;) {
|
|
_cleanup_free_ char *name = NULL;
|
|
|
|
r = xml_tokenize(&p, &name, &xml_state, NULL);
|
|
if (r < 0) {
|
|
log_error("XML parse error");
|
|
return r;
|
|
}
|
|
|
|
if (r == XML_END)
|
|
break;
|
|
|
|
if (r == XML_TAG_OPEN) {
|
|
|
|
if (streq(name, "node")) {
|
|
r = parse_xml_node(path, paths, &p, &xml_state);
|
|
if (r < 0)
|
|
return r;
|
|
} else {
|
|
log_error("Unexpected tag '%s' in introspection data.", name);
|
|
return -EBADMSG;
|
|
}
|
|
} else if (r != XML_TEXT || !in_charset(name, WHITESPACE)) {
|
|
log_error("Unexpected token.");
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tree_one(sd_bus *bus, const char *service, const char *prefix) {
|
|
_cleanup_set_free_free_ Set *paths = NULL, *done = NULL, *failed = NULL;
|
|
_cleanup_free_ char **l = NULL;
|
|
char *m;
|
|
int r;
|
|
|
|
paths = set_new(&string_hash_ops);
|
|
if (!paths)
|
|
return log_oom();
|
|
|
|
done = set_new(&string_hash_ops);
|
|
if (!done)
|
|
return log_oom();
|
|
|
|
failed = set_new(&string_hash_ops);
|
|
if (!failed)
|
|
return log_oom();
|
|
|
|
m = strdup("/");
|
|
if (!m)
|
|
return log_oom();
|
|
|
|
r = set_put(paths, m);
|
|
if (r < 0) {
|
|
free(m);
|
|
return log_oom();
|
|
}
|
|
|
|
for (;;) {
|
|
_cleanup_free_ char *p = NULL;
|
|
int q;
|
|
|
|
p = set_steal_first(paths);
|
|
if (!p)
|
|
break;
|
|
|
|
if (set_contains(done, p) ||
|
|
set_contains(failed, p))
|
|
continue;
|
|
|
|
q = find_nodes(bus, service, p, paths);
|
|
if (q < 0) {
|
|
if (r >= 0)
|
|
r = q;
|
|
|
|
q = set_put(failed, p);
|
|
} else
|
|
q = set_put(done, p);
|
|
|
|
if (q < 0)
|
|
return log_oom();
|
|
|
|
assert(q != 0);
|
|
p = NULL;
|
|
}
|
|
|
|
l = set_get_strv(done);
|
|
if (!l)
|
|
return log_oom();
|
|
|
|
strv_sort(l);
|
|
print_tree(prefix, l);
|
|
|
|
fflush(stdout);
|
|
|
|
return r;
|
|
}
|
|
|
|
static int tree(sd_bus *bus, char **argv) {
|
|
char **i;
|
|
int r = 0;
|
|
|
|
if (!arg_unique && !arg_acquired)
|
|
arg_acquired = true;
|
|
|
|
if (strv_length(argv) <= 1) {
|
|
_cleanup_strv_free_ char **names = NULL;
|
|
bool not_first = false;
|
|
|
|
r = sd_bus_list_names(bus, &names, NULL);
|
|
if (r < 0) {
|
|
log_error("Failed to get name list: %s", strerror(-r));
|
|
return r;
|
|
}
|
|
|
|
pager_open_if_enabled();
|
|
|
|
STRV_FOREACH(i, names) {
|
|
int q;
|
|
|
|
if (!arg_unique && (*i)[0] == ':')
|
|
continue;
|
|
|
|
if (!arg_acquired && (*i)[0] == ':')
|
|
continue;
|
|
|
|
if (not_first)
|
|
printf("\n");
|
|
|
|
printf("Service %s%s%s:\n", ansi_highlight(), *i, ansi_highlight_off());
|
|
|
|
q = tree_one(bus, *i, NULL);
|
|
if (q < 0 && r >= 0)
|
|
r = q;
|
|
|
|
not_first = true;
|
|
}
|
|
} else {
|
|
pager_open_if_enabled();
|
|
|
|
STRV_FOREACH(i, argv+1) {
|
|
int q;
|
|
|
|
if (i > argv+1)
|
|
printf("\n");
|
|
|
|
if (argv[2])
|
|
printf("Service %s%s%s:\n", ansi_highlight(), *i, ansi_highlight_off());
|
|
|
|
q = tree_one(bus, *i, NULL);
|
|
if (q < 0 && r >= 0)
|
|
r = q;
|
|
}
|
|
}
|
|
|
|
return r;
|
|
}
|
|
|
|
static int message_dump(sd_bus_message *m, FILE *f) {
|
|
return bus_message_dump(m, f, BUS_MESSAGE_DUMP_WITH_HEADER);
|
|
}
|
|
|
|
static int message_pcap(sd_bus_message *m, FILE *f) {
|
|
return bus_message_pcap_frame(m, arg_snaplen, f);
|
|
}
|
|
|
|
static int monitor(sd_bus *bus, char *argv[], int (*dump)(sd_bus_message *m, FILE *f)) {
|
|
bool added_something = false;
|
|
char **i;
|
|
int r;
|
|
|
|
STRV_FOREACH(i, argv+1) {
|
|
_cleanup_free_ char *m = NULL;
|
|
|
|
if (!service_name_is_valid(*i)) {
|
|
log_error("Invalid service name '%s'", *i);
|
|
return -EINVAL;
|
|
}
|
|
|
|
m = strjoin("sender='", *i, "'", NULL);
|
|
if (!m)
|
|
return log_oom();
|
|
|
|
r = sd_bus_add_match(bus, NULL, m, NULL, NULL);
|
|
if (r < 0) {
|
|
log_error("Failed to add match: %s", strerror(-r));
|
|
return r;
|
|
}
|
|
|
|
added_something = true;
|
|
}
|
|
|
|
STRV_FOREACH(i, arg_matches) {
|
|
r = sd_bus_add_match(bus, NULL, *i, NULL, NULL);
|
|
if (r < 0) {
|
|
log_error("Failed to add match: %s", strerror(-r));
|
|
return r;
|
|
}
|
|
|
|
added_something = true;
|
|
}
|
|
|
|
if (!added_something) {
|
|
r = sd_bus_add_match(bus, NULL, "", NULL, NULL);
|
|
if (r < 0) {
|
|
log_error("Failed to add match: %s", strerror(-r));
|
|
return r;
|
|
}
|
|
}
|
|
|
|
for (;;) {
|
|
_cleanup_bus_message_unref_ sd_bus_message *m = NULL;
|
|
|
|
r = sd_bus_process(bus, &m);
|
|
if (r < 0) {
|
|
log_error("Failed to process bus: %s", strerror(-r));
|
|
return r;
|
|
}
|
|
|
|
if (m) {
|
|
dump(m, stdout);
|
|
continue;
|
|
}
|
|
|
|
if (r > 0)
|
|
continue;
|
|
|
|
r = sd_bus_wait(bus, (uint64_t) -1);
|
|
if (r < 0) {
|
|
log_error("Failed to wait for bus: %s", strerror(-r));
|
|
return r;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int capture(sd_bus *bus, char *argv[]) {
|
|
int r;
|
|
|
|
if (isatty(fileno(stdout)) > 0) {
|
|
log_error("Refusing to write message data to console, please redirect output to a file.");
|
|
return -EINVAL;
|
|
}
|
|
|
|
bus_pcap_header(arg_snaplen, stdout);
|
|
|
|
r = monitor(bus, argv, message_pcap);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
if (ferror(stdout)) {
|
|
log_error("Couldn't write capture file.");
|
|
return -EIO;
|
|
}
|
|
|
|
return r;
|
|
}
|
|
|
|
static int status(sd_bus *bus, char *argv[]) {
|
|
_cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
|
|
pid_t pid;
|
|
int r;
|
|
|
|
assert(bus);
|
|
|
|
if (strv_length(argv) != 2) {
|
|
log_error("Expects one argument.");
|
|
return -EINVAL;
|
|
}
|
|
|
|
r = parse_pid(argv[1], &pid);
|
|
if (r < 0)
|
|
r = sd_bus_get_name_creds(bus, argv[1], _SD_BUS_CREDS_ALL, &creds);
|
|
else
|
|
r = sd_bus_creds_new_from_pid(&creds, pid, _SD_BUS_CREDS_ALL);
|
|
|
|
if (r < 0) {
|
|
log_error("Failed to get credentials: %s", strerror(-r));
|
|
return r;
|
|
}
|
|
|
|
bus_creds_dump(creds, NULL);
|
|
return 0;
|
|
}
|
|
|
|
static int message_append_cmdline(sd_bus_message *m, const char *signature, char ***x) {
|
|
char **p;
|
|
int r;
|
|
|
|
assert(m);
|
|
assert(signature);
|
|
assert(x);
|
|
|
|
p = *x;
|
|
|
|
for (;;) {
|
|
const char *v;
|
|
char t;
|
|
|
|
t = *signature;
|
|
v = *p;
|
|
|
|
if (t == 0)
|
|
break;
|
|
if (!v) {
|
|
log_error("Too few parameters for signature.");
|
|
return -EINVAL;
|
|
}
|
|
|
|
signature++;
|
|
p++;
|
|
|
|
switch (t) {
|
|
|
|
case SD_BUS_TYPE_BOOLEAN:
|
|
|
|
r = parse_boolean(v);
|
|
if (r < 0) {
|
|
log_error("Failed to parse as boolean: %s", v);
|
|
return r;
|
|
}
|
|
|
|
r = sd_bus_message_append_basic(m, t, &r);
|
|
break;
|
|
|
|
case SD_BUS_TYPE_BYTE: {
|
|
uint8_t z;
|
|
|
|
r = safe_atou8(v, &z);
|
|
if (r < 0) {
|
|
log_error("Failed to parse as byte (unsigned 8bit integer): %s", v);
|
|
return r;
|
|
}
|
|
|
|
r = sd_bus_message_append_basic(m, t, &z);
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_INT16: {
|
|
int16_t z;
|
|
|
|
r = safe_atoi16(v, &z);
|
|
if (r < 0) {
|
|
log_error("Failed to parse as signed 16bit integer: %s", v);
|
|
return r;
|
|
}
|
|
|
|
r = sd_bus_message_append_basic(m, t, &z);
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_UINT16: {
|
|
uint16_t z;
|
|
|
|
r = safe_atou16(v, &z);
|
|
if (r < 0) {
|
|
log_error("Failed to parse as unsigned 16bit integer: %s", v);
|
|
return r;
|
|
}
|
|
|
|
r = sd_bus_message_append_basic(m, t, &z);
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_INT32: {
|
|
int32_t z;
|
|
|
|
r = safe_atoi32(v, &z);
|
|
if (r < 0) {
|
|
log_error("Failed to parse as signed 32bit integer: %s", v);
|
|
return r;
|
|
}
|
|
|
|
r = sd_bus_message_append_basic(m, t, &z);
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_UINT32: {
|
|
uint32_t z;
|
|
|
|
r = safe_atou32(v, &z);
|
|
if (r < 0) {
|
|
log_error("Failed to parse as unsigned 32bit integer: %s", v);
|
|
return r;
|
|
}
|
|
|
|
r = sd_bus_message_append_basic(m, t, &z);
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_INT64: {
|
|
int64_t z;
|
|
|
|
r = safe_atoi64(v, &z);
|
|
if (r < 0) {
|
|
log_error("Failed to parse as signed 64bit integer: %s", v);
|
|
return r;
|
|
}
|
|
|
|
r = sd_bus_message_append_basic(m, t, &z);
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_UINT64: {
|
|
uint64_t z;
|
|
|
|
r = safe_atou64(v, &z);
|
|
if (r < 0) {
|
|
log_error("Failed to parse as unsigned 64bit integer: %s", v);
|
|
return r;
|
|
}
|
|
|
|
r = sd_bus_message_append_basic(m, t, &z);
|
|
break;
|
|
}
|
|
|
|
|
|
case SD_BUS_TYPE_DOUBLE: {
|
|
double z;
|
|
|
|
r = safe_atod(v, &z);
|
|
if (r < 0) {
|
|
log_error("Failed to parse as double precision floating point: %s", v);
|
|
return r;
|
|
}
|
|
|
|
r = sd_bus_message_append_basic(m, t, &z);
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_STRING:
|
|
case SD_BUS_TYPE_OBJECT_PATH:
|
|
case SD_BUS_TYPE_SIGNATURE:
|
|
|
|
r = sd_bus_message_append_basic(m, t, v);
|
|
break;
|
|
|
|
case SD_BUS_TYPE_ARRAY: {
|
|
uint32_t n;
|
|
size_t k;
|
|
|
|
r = safe_atou32(v, &n);
|
|
if (r < 0) {
|
|
log_error("Failed to parse number of array entries: %s", v);
|
|
return r;
|
|
}
|
|
|
|
r = signature_element_length(signature, &k);
|
|
if (r < 0) {
|
|
log_error("Invalid array signature.");
|
|
return r;
|
|
}
|
|
|
|
{
|
|
unsigned i;
|
|
char s[k + 1];
|
|
memcpy(s, signature, k);
|
|
s[k] = 0;
|
|
|
|
r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, s);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
for (i = 0; i < n; i++) {
|
|
r = message_append_cmdline(m, s, &p);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
}
|
|
|
|
signature += k;
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_VARIANT:
|
|
r = sd_bus_message_open_container(m, SD_BUS_TYPE_VARIANT, v);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = message_append_cmdline(m, v, &p);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
break;
|
|
|
|
case SD_BUS_TYPE_STRUCT_BEGIN:
|
|
case SD_BUS_TYPE_DICT_ENTRY_BEGIN: {
|
|
size_t k;
|
|
|
|
signature--;
|
|
p--;
|
|
|
|
r = signature_element_length(signature, &k);
|
|
if (r < 0) {
|
|
log_error("Invalid struct/dict entry signature.");
|
|
return r;
|
|
}
|
|
|
|
{
|
|
char s[k-1];
|
|
memcpy(s, signature + 1, k - 2);
|
|
s[k - 2] = 0;
|
|
|
|
r = sd_bus_message_open_container(m, t == SD_BUS_TYPE_STRUCT_BEGIN ? SD_BUS_TYPE_STRUCT : SD_BUS_TYPE_DICT_ENTRY, s);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = message_append_cmdline(m, s, &p);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
|
|
signature += k;
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_UNIX_FD:
|
|
log_error("UNIX file descriptor not supported as type.");
|
|
return -EINVAL;
|
|
|
|
default:
|
|
log_error("Unknown signature type %c.", t);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
}
|
|
|
|
*x = p;
|
|
return 0;
|
|
}
|
|
|
|
static int call(sd_bus *bus, char *argv[]) {
|
|
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
_cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
|
|
int r;
|
|
|
|
assert(bus);
|
|
|
|
if (strv_length(argv) < 5) {
|
|
log_error("Expects at least four arguments.");
|
|
return -EINVAL;
|
|
}
|
|
|
|
r = sd_bus_message_new_method_call(bus, &m, argv[1], argv[2], argv[3], argv[4]);
|
|
if (r < 0) {
|
|
log_error("Failed to prepare bus message: %s", strerror(-r));
|
|
return r;
|
|
}
|
|
|
|
if (!isempty(argv[5])) {
|
|
char **p;
|
|
|
|
p = argv+6;
|
|
|
|
r = message_append_cmdline(m, argv[5], &p);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
if (*p) {
|
|
log_error("Too many parameters for signature.");
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
r = sd_bus_call(bus, m, 0, &error, &reply);
|
|
if (r < 0) {
|
|
log_error("%s", bus_error_message(&error, r));
|
|
return r;
|
|
}
|
|
|
|
r = sd_bus_message_is_empty(reply);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
if (r == 0 && !arg_quiet) {
|
|
pager_open_if_enabled();
|
|
bus_message_dump(reply, stdout, 0);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int get_property(sd_bus *bus, char *argv[]) {
|
|
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
unsigned n;
|
|
int r;
|
|
|
|
assert(bus);
|
|
|
|
n = strv_length(argv);
|
|
if (n < 3) {
|
|
log_error("Expects at least three arguments.");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (n < 5) {
|
|
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
|
|
bool not_first = false;
|
|
|
|
r = sd_bus_call_method(bus, argv[1], argv[2], "org.freedesktop.DBus.Properties", "GetAll", &error, &reply, "s", strempty(argv[3]));
|
|
if (r < 0) {
|
|
log_error("%s", bus_error_message(&error, r));
|
|
return r;
|
|
}
|
|
|
|
r = sd_bus_message_enter_container(reply, 'a', "{sv}");
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
for (;;) {
|
|
const char *name;
|
|
|
|
r = sd_bus_message_enter_container(reply, 'e', "sv");
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
if (r == 0)
|
|
break;
|
|
|
|
r = sd_bus_message_read(reply, "s", &name);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
if (not_first)
|
|
printf("\n");
|
|
|
|
printf("Property %s:\n", name);
|
|
|
|
r = sd_bus_message_enter_container(reply, 'v', NULL);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
pager_open_if_enabled();
|
|
bus_message_dump(reply, stdout, BUS_MESSAGE_DUMP_SUBTREE_ONLY);
|
|
|
|
r = sd_bus_message_exit_container(reply);
|
|
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);
|
|
|
|
not_first = true;
|
|
}
|
|
|
|
r = sd_bus_message_exit_container(reply);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
} else {
|
|
char **i;
|
|
|
|
STRV_FOREACH(i, argv + 4) {
|
|
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
|
|
|
|
r = sd_bus_call_method(bus, argv[1], argv[2], "org.freedesktop.DBus.Properties", "Get", &error, &reply, "ss", argv[3], *i);
|
|
if (r < 0) {
|
|
log_error("%s", bus_error_message(&error, r));
|
|
return r;
|
|
}
|
|
|
|
r = sd_bus_message_enter_container(reply, 'v', NULL);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
if (i > argv + 4)
|
|
printf("\n");
|
|
|
|
if (argv[5])
|
|
printf("Property %s:\n", *i);
|
|
|
|
pager_open_if_enabled();
|
|
bus_message_dump(reply, stdout, BUS_MESSAGE_DUMP_SUBTREE_ONLY);
|
|
|
|
r = sd_bus_message_exit_container(reply);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int help(void) {
|
|
printf("%s [OPTIONS...] {COMMAND} ...\n\n"
|
|
"Introspect the bus.\n\n"
|
|
" -h --help Show this help\n"
|
|
" --version Show package version\n"
|
|
" --no-pager Do not pipe output into a pager\n"
|
|
" --no-legend Do not show the headers and footers\n"
|
|
" --system Connect to system bus\n"
|
|
" --user Connect to user bus\n"
|
|
" -H --host=[USER@]HOST Operate on remote host\n"
|
|
" -M --machine=CONTAINER Operate on local container\n"
|
|
" --address=ADDRESS Connect to bus specified by address\n"
|
|
" --show-machine Show machine ID column in list\n"
|
|
" --unique Only show unique names\n"
|
|
" --acquired Only show acquired names\n"
|
|
" --activatable Only show activatable names\n"
|
|
" --match=MATCH Only show matching messages\n"
|
|
" --list Don't show tree, but simple object path list\n"
|
|
" --quiet Don't show method call reply\n\n"
|
|
"Commands:\n"
|
|
" list List bus names\n"
|
|
" tree [SERVICE...] Show object tree of service\n"
|
|
" monitor [SERVICE...] Show bus traffic\n"
|
|
" capture [SERVICE...] Capture bus traffic as pcap\n"
|
|
" status SERVICE Show service name status\n"
|
|
" call SERVICE PATH INTERFACE METHOD [SIGNATURE [ARGUMENTS...]]\n"
|
|
" Call a method\n"
|
|
" get-property SERVICE PATH [INTERFACE [PROPERTY...]]\n"
|
|
" Get property value\n"
|
|
" help Show this help\n"
|
|
, program_invocation_short_name);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int parse_argv(int argc, char *argv[]) {
|
|
|
|
enum {
|
|
ARG_VERSION = 0x100,
|
|
ARG_NO_PAGER,
|
|
ARG_NO_LEGEND,
|
|
ARG_SYSTEM,
|
|
ARG_USER,
|
|
ARG_ADDRESS,
|
|
ARG_MATCH,
|
|
ARG_SHOW_MACHINE,
|
|
ARG_UNIQUE,
|
|
ARG_ACQUIRED,
|
|
ARG_ACTIVATABLE,
|
|
ARG_SIZE,
|
|
ARG_LIST,
|
|
};
|
|
|
|
static const struct option options[] = {
|
|
{ "help", no_argument, NULL, 'h' },
|
|
{ "version", no_argument, NULL, ARG_VERSION },
|
|
{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
|
|
{ "no-legend", no_argument, NULL, ARG_NO_LEGEND },
|
|
{ "system", no_argument, NULL, ARG_SYSTEM },
|
|
{ "user", no_argument, NULL, ARG_USER },
|
|
{ "address", required_argument, NULL, ARG_ADDRESS },
|
|
{ "show-machine", no_argument, NULL, ARG_SHOW_MACHINE },
|
|
{ "unique", no_argument, NULL, ARG_UNIQUE },
|
|
{ "acquired", no_argument, NULL, ARG_ACQUIRED },
|
|
{ "activatable", no_argument, NULL, ARG_ACTIVATABLE },
|
|
{ "match", required_argument, NULL, ARG_MATCH },
|
|
{ "host", required_argument, NULL, 'H' },
|
|
{ "machine", required_argument, NULL, 'M' },
|
|
{ "size", required_argument, NULL, ARG_SIZE },
|
|
{ "list", no_argument, NULL, ARG_LIST },
|
|
{ "quiet", no_argument, NULL, 'q' },
|
|
{},
|
|
};
|
|
|
|
int c, r;
|
|
|
|
assert(argc >= 0);
|
|
assert(argv);
|
|
|
|
while ((c = getopt_long(argc, argv, "hH:M:q", options, NULL)) >= 0)
|
|
|
|
switch (c) {
|
|
|
|
case 'h':
|
|
return help();
|
|
|
|
case ARG_VERSION:
|
|
puts(PACKAGE_STRING);
|
|
puts(SYSTEMD_FEATURES);
|
|
return 0;
|
|
|
|
case ARG_NO_PAGER:
|
|
arg_no_pager = true;
|
|
break;
|
|
|
|
case ARG_NO_LEGEND:
|
|
arg_legend = false;
|
|
break;
|
|
|
|
case ARG_USER:
|
|
arg_user = true;
|
|
break;
|
|
|
|
case ARG_SYSTEM:
|
|
arg_user = false;
|
|
break;
|
|
|
|
case ARG_ADDRESS:
|
|
arg_address = optarg;
|
|
break;
|
|
|
|
case ARG_SHOW_MACHINE:
|
|
arg_show_machine = true;
|
|
break;
|
|
|
|
case ARG_UNIQUE:
|
|
arg_unique = true;
|
|
break;
|
|
|
|
case ARG_ACQUIRED:
|
|
arg_acquired = true;
|
|
break;
|
|
|
|
case ARG_ACTIVATABLE:
|
|
arg_activatable = true;
|
|
break;
|
|
|
|
case ARG_MATCH:
|
|
if (strv_extend(&arg_matches, optarg) < 0)
|
|
return log_oom();
|
|
break;
|
|
|
|
case ARG_SIZE: {
|
|
off_t o;
|
|
|
|
r = parse_size(optarg, 0, &o);
|
|
if (r < 0) {
|
|
log_error("Failed to parse size: %s", optarg);
|
|
return r;
|
|
}
|
|
|
|
if ((off_t) (size_t) o != o) {
|
|
log_error("Size out of range.");
|
|
return -E2BIG;
|
|
}
|
|
|
|
arg_snaplen = (size_t) o;
|
|
break;
|
|
}
|
|
|
|
case ARG_LIST:
|
|
arg_list = true;
|
|
break;
|
|
|
|
case 'H':
|
|
arg_transport = BUS_TRANSPORT_REMOTE;
|
|
arg_host = optarg;
|
|
break;
|
|
|
|
case 'M':
|
|
arg_transport = BUS_TRANSPORT_CONTAINER;
|
|
arg_host = optarg;
|
|
break;
|
|
|
|
case 'q':
|
|
arg_quiet = true;
|
|
break;
|
|
|
|
case '?':
|
|
return -EINVAL;
|
|
|
|
default:
|
|
assert_not_reached("Unhandled option");
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int busctl_main(sd_bus *bus, int argc, char *argv[]) {
|
|
assert(bus);
|
|
|
|
if (optind >= argc ||
|
|
streq(argv[optind], "list"))
|
|
return list_bus_names(bus, argv + optind);
|
|
|
|
if (streq(argv[optind], "monitor"))
|
|
return monitor(bus, argv + optind, message_dump);
|
|
|
|
if (streq(argv[optind], "capture"))
|
|
return capture(bus, argv + optind);
|
|
|
|
if (streq(argv[optind], "status"))
|
|
return status(bus, argv + optind);
|
|
|
|
if (streq(argv[optind], "tree"))
|
|
return tree(bus, argv + optind);
|
|
|
|
if (streq(argv[optind], "call"))
|
|
return call(bus, argv + optind);
|
|
|
|
if (streq(argv[optind], "get-property"))
|
|
return get_property(bus, argv + optind);
|
|
|
|
if (streq(argv[optind], "help"))
|
|
return help();
|
|
|
|
log_error("Unknown command '%s'", argv[optind]);
|
|
return -EINVAL;
|
|
}
|
|
|
|
int main(int argc, char *argv[]) {
|
|
_cleanup_bus_close_unref_ sd_bus *bus = NULL;
|
|
int r;
|
|
|
|
log_parse_environment();
|
|
log_open();
|
|
|
|
r = parse_argv(argc, argv);
|
|
if (r <= 0)
|
|
goto finish;
|
|
|
|
r = sd_bus_new(&bus);
|
|
if (r < 0) {
|
|
log_error("Failed to allocate bus: %s", strerror(-r));
|
|
goto finish;
|
|
}
|
|
|
|
if (streq_ptr(argv[optind], "monitor") ||
|
|
streq_ptr(argv[optind], "capture")) {
|
|
|
|
r = sd_bus_set_monitor(bus, true);
|
|
if (r < 0) {
|
|
log_error("Failed to set monitor mode: %s", strerror(-r));
|
|
goto finish;
|
|
}
|
|
|
|
r = sd_bus_negotiate_creds(bus, _SD_BUS_CREDS_ALL);
|
|
if (r < 0) {
|
|
log_error("Failed to enable credentials: %s", strerror(-r));
|
|
goto finish;
|
|
}
|
|
|
|
r = sd_bus_negotiate_timestamp(bus, true);
|
|
if (r < 0) {
|
|
log_error("Failed to enable timestamps: %s", strerror(-r));
|
|
goto finish;
|
|
}
|
|
|
|
r = sd_bus_negotiate_fds(bus, true);
|
|
if (r < 0) {
|
|
log_error("Failed to enable fds: %s", strerror(-r));
|
|
goto finish;
|
|
}
|
|
}
|
|
|
|
if (arg_address)
|
|
r = sd_bus_set_address(bus, arg_address);
|
|
else {
|
|
switch (arg_transport) {
|
|
|
|
case BUS_TRANSPORT_LOCAL:
|
|
if (arg_user)
|
|
r = bus_set_address_user(bus);
|
|
else
|
|
r = bus_set_address_system(bus);
|
|
break;
|
|
|
|
case BUS_TRANSPORT_REMOTE:
|
|
r = bus_set_address_system_remote(bus, arg_host);
|
|
break;
|
|
|
|
case BUS_TRANSPORT_CONTAINER:
|
|
r = bus_set_address_system_container(bus, arg_host);
|
|
break;
|
|
|
|
default:
|
|
assert_not_reached("Hmm, unknown transport type.");
|
|
}
|
|
}
|
|
if (r < 0) {
|
|
log_error("Failed to set address: %s", strerror(-r));
|
|
goto finish;
|
|
}
|
|
|
|
r = sd_bus_set_bus_client(bus, true);
|
|
if (r < 0) {
|
|
log_error("Failed to set bus client: %s", strerror(-r));
|
|
goto finish;
|
|
}
|
|
|
|
r = sd_bus_start(bus);
|
|
if (r < 0) {
|
|
log_error("Failed to connect to bus: %s", strerror(-r));
|
|
goto finish;
|
|
}
|
|
|
|
r = busctl_main(bus, argc, argv);
|
|
|
|
finish:
|
|
pager_close();
|
|
|
|
strv_free(arg_matches);
|
|
|
|
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
|
|
}
|