busctl.c revision de1c301ed165eb4d04a0c9d4babe97912b5233bb
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2013 Lennart Poettering
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 "sd-bus.h"
int main(int argc, char *argv[]) {
_cleanup_bus_unref_ sd_bus *bus = NULL;
_cleanup_strv_free_ char **l = NULL;
char **i;
int r;
r = bus_open_system(&bus);
if (r < 0) {
log_error("Failed to connect to bus: %s", strerror(-r));
goto fail;
}
r = sd_bus_list_names(bus, &l);
if (r < 0) {
log_error("Failed to list names: %s", strerror(-r));
goto fail;
}
STRV_FOREACH(i, l) {
_cleanup_free_ char *owner = NULL;
pid_t pid = 0;
uid_t uid;
bool uid_valid;
r = sd_bus_get_owner(bus, *i, &owner);
if (r == -ENXIO)
continue;
r = sd_get_owner_pid(bus, *i, &pid);
if (r == -ENXIO)
continue;
r = sd_get_owner_uid(bus, *i, &pid);
if (r == -ENXIO)
continue;
uid_valid = r >= 0;
printf("%s (%s) %llu %llu\n", *i, owner, (unsigned long long) pid, (unsigned long long) uid);
}
r = 0;
fail:
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}