static int print_inhibitors(sd_bus *bus, sd_bus_error *error) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
const char *what, *who, *why, *mode;
unsigned int uid, pid;
unsigned n = 0;
int r;
r = sd_bus_call_method(
bus,
"org.freedesktop.login1",
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
"ListInhibitors",
error,
&reply,
"");
if (r < 0)
return r;
r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
if (r < 0)
return bus_log_parse_error(r);
while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
_cleanup_free_ char *comm = NULL, *u = NULL;
get_process_comm(pid, &comm);
u = uid_to_name(uid);
printf(" Who: %s (UID "UID_FMT"/%s, PID "PID_FMT"/%s)\n"
" What: %s\n"
" Why: %s\n"
" Mode: %s\n\n",
who, uid, strna(u), pid, strna(comm),
what,
why,
mode);
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);
printf("%u inhibitors listed.\n", n);
return 0;
}
static int list_timezones(int argc, char **argv, void *userdata) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
sd_bus *bus = userdata;
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
int r;
char** zones;
r = sd_bus_call_method(bus,
"org.freedesktop.timedate1",
"/org/freedesktop/timedate1",
"org.freedesktop.timedate1",
"ListTimezones",
&error,
&reply,
NULL);
if (r < 0)
return log_error_errno(r, "Failed to request list of time zones: %s",
bus_error_message(&error, r));
r = sd_bus_message_read_strv(reply, &zones);
if (r < 0)
return bus_log_parse_error(r);
(void) pager_open(arg_pager_flags);
strv_print(zones);
return 0;
}
static int show_one_name(sd_bus *bus, const char* attr) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
const char *s;
int r;
r = sd_bus_get_property(
bus,
"org.freedesktop.hostname1",
"/org/freedesktop/hostname1",
"org.freedesktop.hostname1",
attr,
&error, &reply, "s");
if (r < 0) {
log_error("Could not get property: %s", bus_error_message(&error, -r));
return r;
}
r = sd_bus_message_read(reply, "s", &s);
if (r < 0)
return bus_log_parse_error(r);
printf("%s\n", s);
return 0;
}
static int list_sessions(int argc, char *argv[], void *userdata) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
const char *id, *user, *seat, *object;
sd_bus *bus = userdata;
unsigned k = 0;
uint32_t uid;
int r;
assert(bus);
assert(argv);
pager_open_if_enabled();
r = sd_bus_call_method(
bus,
"org.freedesktop.login1",
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
"ListSessions",
&error, &reply,
"");
if (r < 0) {
log_error("Failed to list sessions: %s", bus_error_message(&error, r));
return r;
}
r = sd_bus_message_enter_container(reply, 'a', "(susso)");
if (r < 0)
return bus_log_parse_error(r);
if (arg_legend)
printf("%10s %10s %-16s %-16s\n", "SESSION", "UID", "USER", "SEAT");
while ((r = sd_bus_message_read(reply, "(susso)", &id, &uid, &user, &seat, &object)) > 0) {
printf("%10s %10u %-16s %-16s\n", id, (unsigned) uid, user, seat);
k++;
}
if (r < 0)
return bus_log_parse_error(r);
if (arg_legend)
printf("\n%u sessions listed.\n", k);
return 0;
}
static int print_changes(sd_bus_message *m) {
int r;
if (arg_quiet)
return 0;
r = sd_bus_message_enter_container(m, 'a', "(sss)");
if (r < 0)
return bus_log_parse_error(r);
for (;;) {
const char *type, *path, *source;
r = sd_bus_message_read(m, "(sss)", &type, &path, &source);
if (r < 0)
return bus_log_parse_error(r);
if (r == 0)
break;
if (streq(type, "symlink"))
log_info("Created symlink %s %s %s.", path, special_glyph(SPECIAL_GLYPH_ARROW), source);
else if (streq(type, "copy")) {
if (isempty(source))
log_info("Copied %s.", path);
else
log_info("Copied %s %s %s.", source, special_glyph(SPECIAL_GLYPH_ARROW), path);
} else if (streq(type, "unlink"))
log_info("Removed %s.", path);
else if (streq(type, "write"))
log_info("Written %s.", path);
else if (streq(type, "mkdir"))
log_info("Created directory %s.", path);
else
log_error("Unexpected change: %s/%s/%s", type, path, source);
}
r = sd_bus_message_exit_container(m);
if (r < 0)
return r;
return 0;
}
static int list_users(sd_bus *bus, char **args, unsigned n) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
const char *user, *object;
unsigned k = 0;
uint32_t uid;
int r;
pager_open_if_enabled();
r = sd_bus_call_method(
bus,
"org.freedesktop.login1",
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
"ListUsers",
&error, &reply,
"");
if (r < 0) {
log_error("Failed to list users: %s", bus_error_message(&error, r));
return r;
}
r = sd_bus_message_enter_container(reply, 'a', "(uso)");
if (r < 0)
return bus_log_parse_error(r);
if (arg_legend)
printf("%10s %-16s\n", "UID", "USER");
while ((r = sd_bus_message_read(reply, "(uso)", &uid, &user, &object)) > 0) {
printf("%10u %-16s\n", (unsigned) uid, user);
k++;
}
if (r < 0)
return bus_log_parse_error(r);
if (arg_legend)
printf("\n%u users listed.\n", k);
return 0;
}
static int list_seats(sd_bus *bus, char **args, unsigned n) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
const char *seat, *object;
unsigned k = 0;
int r;
pager_open_if_enabled();
r = sd_bus_call_method(
bus,
"org.freedesktop.login1",
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
"ListSeats",
&error, &reply,
"");
if (r < 0) {
log_error("Failed to list seats: %s", bus_error_message(&error, r));
return r;
}
r = sd_bus_message_enter_container(reply, 'a', "(so)");
if (r < 0)
return bus_log_parse_error(r);
if (arg_legend)
printf("%-16s\n", "SEAT");
while ((r = sd_bus_message_read(reply, "(so)", &seat, &object)) > 0) {
printf("%-16s\n", seat);
k++;
}
if (r < 0)
return bus_log_parse_error(r);
if (arg_legend)
printf("\n%u seats listed.\n", k);
return 0;
}
int terminate_machine(sd_bus *bus, pid_t pid) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
const char *path;
int r;
assert(bus);
r = sd_bus_call_method(
bus,
"org.freedesktop.machine1",
"/org/freedesktop/machine1",
"org.freedesktop.machine1.Manager",
"GetMachineByPID",
&error,
&reply,
"u",
(uint32_t) pid);
if (r < 0) {
/* Note that the machine might already have been
* cleaned up automatically, hence don't consider it a
* failure if we cannot get the machine object. */
log_debug("Failed to get machine: %s", bus_error_message(&error, r));
return 0;
}
r = sd_bus_message_read(reply, "o", &path);
if (r < 0)
return bus_log_parse_error(r);
r = sd_bus_call_method(
bus,
"org.freedesktop.machine1",
path,
"org.freedesktop.machine1.Machine",
"Terminate",
&error,
NULL,
NULL);
if (r < 0) {
log_debug("Failed to terminate machine: %s", bus_error_message(&error, r));
return 0;
}
return 0;
}
static int show_timesync(int argc, char **argv, void *userdata) {
sd_bus *bus = userdata;
int r;
assert(bus);
r = bus_print_all_properties(bus,
"org.freedesktop.timesync1",
"/org/freedesktop/timesync1",
print_timesync_property,
arg_property,
arg_value,
arg_all,
NULL);
if (r < 0)
return bus_log_parse_error(r);
return 0;
}
static int start_transient_service(
sd_bus *bus,
char **argv,
int *retval) {
_cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
_cleanup_free_ char *service = NULL, *pty_path = NULL;
_cleanup_close_ int master = -1;
int r;
assert(bus);
assert(argv);
assert(retval);
if (arg_pty) {
if (arg_transport == BUS_TRANSPORT_LOCAL) {
master = posix_openpt(O_RDWR|O_NOCTTY|O_CLOEXEC|O_NDELAY);
if (master < 0)
return log_error_errno(errno, "Failed to acquire pseudo tty: %m");
r = ptsname_malloc(master, &pty_path);
if (r < 0)
return log_error_errno(r, "Failed to determine tty name: %m");
if (unlockpt(master) < 0)
return log_error_errno(errno, "Failed to unlock tty: %m");
} else if (arg_transport == BUS_TRANSPORT_MACHINE) {
_cleanup_(sd_bus_unrefp) sd_bus *system_bus = NULL;
_cleanup_(sd_bus_message_unrefp) sd_bus_message *pty_reply = NULL;
const char *s;
r = sd_bus_default_system(&system_bus);
if (r < 0)
return log_error_errno(r, "Failed to connect to system bus: %m");
r = sd_bus_call_method(system_bus,
"org.freedesktop.machine1",
"/org/freedesktop/machine1",
"org.freedesktop.machine1.Manager",
"OpenMachinePTY",
&error,
&pty_reply,
"s", arg_host);
if (r < 0) {
log_error("Failed to get machine PTY: %s", bus_error_message(&error, -r));
return r;
}
r = sd_bus_message_read(pty_reply, "hs", &master, &s);
if (r < 0)
return bus_log_parse_error(r);
master = fcntl(master, F_DUPFD_CLOEXEC, 3);
if (master < 0)
return log_error_errno(errno, "Failed to duplicate master fd: %m");
pty_path = strdup(s);
if (!pty_path)
return log_oom();
} else
assert_not_reached("Can't allocate tty via ssh");
}
if (!arg_no_block) {
r = bus_wait_for_jobs_new(bus, &w);
if (r < 0)
return log_error_errno(r, "Could not watch jobs: %m");
}
if (arg_unit) {
r = unit_name_mangle_with_suffix(arg_unit, UNIT_NAME_NOGLOB, ".service", &service);
if (r < 0)
return log_error_errno(r, "Failed to mangle unit name: %m");
} else {
r = make_unit_name(bus, UNIT_SERVICE, &service);
if (r < 0)
return r;
}
r = sd_bus_message_new_method_call(
bus,
&m,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
"StartTransientUnit");
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
if (r < 0)
return bus_log_create_error(r);
/* Name and mode */
r = sd_bus_message_append(m, "ss", service, "fail");
if (r < 0)
return bus_log_create_error(r);
/* Properties */
r = sd_bus_message_open_container(m, 'a', "(sv)");
if (r < 0)
return bus_log_create_error(r);
r = transient_service_set_properties(m, argv, pty_path);
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_close_container(m);
if (r < 0)
return bus_log_create_error(r);
/* Auxiliary units */
r = sd_bus_message_append(m, "a(sa(sv))", 0);
if (r < 0)
return bus_log_create_error(r);
polkit_agent_open_if_enabled();
r = sd_bus_call(bus, m, 0, &error, &reply);
if (r < 0)
return log_error_errno(r, "Failed to start transient service unit: %s", bus_error_message(&error, r));
if (w) {
const char *object;
r = sd_bus_message_read(reply, "o", &object);
if (r < 0)
return bus_log_parse_error(r);
r = bus_wait_for_jobs_one(w, object, arg_quiet);
if (r < 0)
return r;
}
if (!arg_quiet)
log_info("Running as unit: %s", service);
if (arg_wait || master >= 0) {
_cleanup_(run_context_free) RunContext c = {};
c.bus = sd_bus_ref(bus);
r = sd_event_default(&c.event);
if (r < 0)
return log_error_errno(r, "Failed to get event loop: %m");
if (master >= 0) {
assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGWINCH, SIGTERM, SIGINT, -1) >= 0);
(void) sd_event_add_signal(c.event, NULL, SIGINT, NULL, NULL);
(void) sd_event_add_signal(c.event, NULL, SIGTERM, NULL, NULL);
if (!arg_quiet)
log_info("Press ^] three times within 1s to disconnect TTY.");
r = pty_forward_new(c.event, master, PTY_FORWARD_IGNORE_INITIAL_VHANGUP, &c.forward);
if (r < 0)
return log_error_errno(r, "Failed to create PTY forwarder: %m");
pty_forward_set_handler(c.forward, pty_forward_handler, &c);
}
if (arg_wait) {
_cleanup_free_ char *path = NULL;
const char *mt;
path = unit_dbus_path_from_name(service);
if (!path)
return log_oom();
mt = strjoina("type='signal',"
"sender='org.freedesktop.systemd1',"
"path='", path, "',"
"interface='org.freedesktop.DBus.Properties',"
"member='PropertiesChanged'");
r = sd_bus_add_match(bus, &c.match, mt, on_properties_changed, &c);
if (r < 0)
return log_error_errno(r, "Failed to add properties changed signal.");
r = sd_bus_attach_event(bus, c.event, 0);
if (r < 0)
return log_error_errno(r, "Failed to attach bus to event loop.");
}
r = sd_event_loop(c.event);
if (r < 0)
return log_error_errno(r, "Failed to run event loop: %m");
if (c.forward) {
char last_char = 0;
r = pty_forward_get_last_char(c.forward, &last_char);
if (r >= 0 && !arg_quiet && last_char != '\n')
fputc('\n', stdout);
}
if (!arg_quiet) {
if (!isempty(c.result))
log_info("Finished with result: %s", strna(c.result));
if (c.exit_code == CLD_EXITED)
log_info("Main processes terminated with: code=%s/status=%i", sigchld_code_to_string(c.exit_code), c.exit_status);
else if (c.exit_code > 0)
log_info("Main processes terminated with: code=%s/status=%s", sigchld_code_to_string(c.exit_code), signal_to_string(c.exit_status));
if (c.inactive_enter_usec > 0 && c.inactive_enter_usec != USEC_INFINITY &&
c.inactive_exit_usec > 0 && c.inactive_exit_usec != USEC_INFINITY &&
c.inactive_enter_usec > c.inactive_exit_usec) {
char ts[FORMAT_TIMESPAN_MAX];
log_info("Service runtime: %s", format_timespan(ts, sizeof(ts), c.inactive_enter_usec - c.inactive_exit_usec, USEC_PER_MSEC));
}
if (c.cpu_usage_nsec > 0 && c.cpu_usage_nsec != NSEC_INFINITY) {
char ts[FORMAT_TIMESPAN_MAX];
log_info("CPU time consumed: %s", format_timespan(ts, sizeof(ts), (c.cpu_usage_nsec + NSEC_PER_USEC - 1) / NSEC_PER_USEC, USEC_PER_MSEC));
}
}
/* Try to propagate the service's return value */
if (c.result && STR_IN_SET(c.result, "success", "exit-code") && c.exit_code == CLD_EXITED)
*retval = c.exit_status;
else
*retval = EXIT_FAILURE;
}
return 0;
}
int main(int argc, char *argv[]) {
int r = 0, retval = EXIT_FAILURE;
int output_flags;
_cleanup_free_ char *root = NULL;
_cleanup_bus_close_unref_ sd_bus *bus = NULL;
log_parse_environment();
log_open();
r = parse_argv(argc, argv);
if (r < 0)
goto finish;
else if (r == 0) {
retval = EXIT_SUCCESS;
goto finish;
}
if (!arg_no_pager) {
r = pager_open(false);
if (r > 0) {
if (arg_full == -1)
arg_full = true;
}
}
output_flags =
arg_all * OUTPUT_SHOW_ALL |
(arg_full > 0) * OUTPUT_FULL_WIDTH;
r = bus_open_transport(BUS_TRANSPORT_LOCAL, NULL, false, &bus);
if (r < 0) {
log_error_errno(r, "Failed to create bus connection: %m");
goto finish;
}
if (optind < argc) {
int i;
for (i = optind; i < argc; i++) {
int q;
fprintf(stdout, "%s:\n", argv[i]);
fflush(stdout);
if (arg_machine)
root = strjoin("machine/", arg_machine, "/", argv[i], NULL);
else
root = strdup(argv[i]);
if (!root)
return log_oom();
q = show_cgroup_by_path(root, NULL, 0,
arg_kernel_threads, output_flags);
if (q < 0)
r = q;
}
} else {
_cleanup_free_ char *p;
p = get_current_dir_name();
if (!p) {
log_error_errno(errno, "Cannot determine current working directory: %m");
goto finish;
}
if (path_startswith(p, "/sys/fs/cgroup") && !arg_machine) {
printf("Working Directory %s:\n", p);
r = show_cgroup_by_path(p, NULL, 0,
arg_kernel_threads, output_flags);
} else {
if (arg_machine) {
char *m;
const char *cgroup;
_cleanup_free_ char *scope = NULL;
_cleanup_free_ char *path = NULL;
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
m = strjoina("/run/systemd/machines/", arg_machine);
r = parse_env_file(m, NEWLINE, "SCOPE", &scope, NULL);
if (r < 0) {
log_error_errno(r, "Failed to get machine path: %m");
goto finish;
}
path = unit_dbus_path_from_name(scope);
if (!path) {
log_oom();
goto finish;
}
r = sd_bus_get_property(
bus,
"org.freedesktop.systemd1",
path,
"org.freedesktop.systemd1.Scope",
"ControlGroup",
&error,
&reply,
"s");
if (r < 0) {
log_error("Failed to query ControlGroup: %s", bus_error_message(&error, -r));
goto finish;
}
r = sd_bus_message_read(reply, "s", &cgroup);
if (r < 0) {
bus_log_parse_error(r);
goto finish;
}
root = strdup(cgroup);
if (!root) {
log_oom();
goto finish;
}
} else
r = cg_get_root_path(&root);
if (r < 0) {
log_error_errno(r, "Failed to get %s path: %m",
arg_machine ? "machine" : "root");
goto finish;
}
r = show_cgroup(SYSTEMD_CGROUP_CONTROLLER, root, NULL, 0,
arg_kernel_threads, output_flags);
}
}
if (r < 0) {
log_error_errno(r, "Failed to list cgroup tree %s: %m", root);
retval = EXIT_FAILURE;
} else
retval = EXIT_SUCCESS;
finish:
pager_close();
return retval;
}
int allocate_scope(
sd_bus *bus,
const char *machine_name,
pid_t pid,
const char *slice,
CustomMount *mounts,
unsigned n_mounts,
int kill_signal,
char **properties) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
_cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
_cleanup_free_ char *scope = NULL;
const char *description, *object;
int r;
assert(bus);
r = bus_wait_for_jobs_new(bus, &w);
if (r < 0)
return log_error_errno(r, "Could not watch job: %m");
r = unit_name_mangle_with_suffix(machine_name, UNIT_NAME_NOGLOB, ".scope", &scope);
if (r < 0)
return log_error_errno(r, "Failed to mangle scope name: %m");
r = sd_bus_message_new_method_call(
bus,
&m,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
"StartTransientUnit");
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_append(m, "ss", scope, "fail");
if (r < 0)
return bus_log_create_error(r);
/* Properties */
r = sd_bus_message_open_container(m, 'a', "(sv)");
if (r < 0)
return bus_log_create_error(r);
description = strjoina("Container ", machine_name);
r = sd_bus_message_append(m, "(sv)(sv)(sv)(sv)",
"PIDs", "au", 1, pid,
"Description", "s", description,
"Delegate", "b", 1,
"Slice", "s", isempty(slice) ? "machine.slice" : slice);
if (r < 0)
return bus_log_create_error(r);
r = append_controller_property(bus, m);
if (r < 0)
return r;
r = append_machine_properties(
m,
mounts,
n_mounts,
kill_signal,
properties);
if (r < 0)
return r;
r = bus_append_unit_property_assignment_many(m, UNIT_SCOPE, properties);
if (r < 0)
return r;
r = sd_bus_message_close_container(m);
if (r < 0)
return bus_log_create_error(r);
/* No auxiliary units */
r = sd_bus_message_append(
m,
"a(sa(sv))",
0);
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_call(bus, m, 0, &error, &reply);
if (r < 0) {
log_error("Failed to allocate scope: %s", bus_error_message(&error, r));
return r;
}
r = sd_bus_message_read(reply, "o", &object);
if (r < 0)
return bus_log_parse_error(r);
r = bus_wait_for_jobs_one(w, object, false);
if (r < 0)
return r;
return 0;
}
static int acquire_time_data(sd_bus *bus, struct unit_times **out) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
int r, c = 0;
struct unit_times *unit_times = NULL;
size_t size = 0;
UnitInfo u;
r = sd_bus_call_method(
bus,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
"ListUnits",
&error, &reply,
NULL);
if (r < 0) {
log_error("Failed to list units: %s", bus_error_message(&error, -r));
goto fail;
}
r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
if (r < 0) {
bus_log_parse_error(r);
goto fail;
}
while ((r = bus_parse_unit_info(reply, &u)) > 0) {
struct unit_times *t;
if (!GREEDY_REALLOC(unit_times, size, c+1)) {
r = log_oom();
goto fail;
}
t = unit_times+c;
t->name = NULL;
assert_cc(sizeof(usec_t) == sizeof(uint64_t));
if (bus_get_uint64_property(bus, u.unit_path,
"org.freedesktop.systemd1.Unit",
"InactiveExitTimestampMonotonic",
&t->activating) < 0 ||
bus_get_uint64_property(bus, u.unit_path,
"org.freedesktop.systemd1.Unit",
"ActiveEnterTimestampMonotonic",
&t->activated) < 0 ||
bus_get_uint64_property(bus, u.unit_path,
"org.freedesktop.systemd1.Unit",
"ActiveExitTimestampMonotonic",
&t->deactivating) < 0 ||
bus_get_uint64_property(bus, u.unit_path,
"org.freedesktop.systemd1.Unit",
"InactiveEnterTimestampMonotonic",
&t->deactivated) < 0) {
r = -EIO;
goto fail;
}
if (t->activated >= t->activating)
t->time = t->activated - t->activating;
else if (t->deactivated >= t->activating)
t->time = t->deactivated - t->activating;
else
t->time = 0;
if (t->activating == 0)
continue;
t->name = strdup(u.id);
if (t->name == NULL) {
r = log_oom();
goto fail;
}
c++;
}
if (r < 0) {
bus_log_parse_error(r);
goto fail;
}
*out = unit_times;
return c;
fail:
free_unit_times(unit_times, (unsigned) c);
return r;
}
static int start_transient_timer(
sd_bus *bus,
char **argv) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
_cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
_cleanup_free_ char *timer = NULL, *service = NULL;
const char *object = NULL;
int r;
assert(bus);
assert(argv);
r = bus_wait_for_jobs_new(bus, &w);
if (r < 0)
return log_oom();
if (arg_unit) {
switch (unit_name_to_type(arg_unit)) {
case UNIT_SERVICE:
service = strdup(arg_unit);
if (!service)
return log_oom();
r = unit_name_change_suffix(service, ".timer", &timer);
if (r < 0)
return log_error_errno(r, "Failed to change unit suffix: %m");
break;
case UNIT_TIMER:
timer = strdup(arg_unit);
if (!timer)
return log_oom();
r = unit_name_change_suffix(timer, ".service", &service);
if (r < 0)
return log_error_errno(r, "Failed to change unit suffix: %m");
break;
default:
r = unit_name_mangle_with_suffix(arg_unit, UNIT_NAME_NOGLOB, ".service", &service);
if (r < 0)
return log_error_errno(r, "Failed to mangle unit name: %m");
r = unit_name_mangle_with_suffix(arg_unit, UNIT_NAME_NOGLOB, ".timer", &timer);
if (r < 0)
return log_error_errno(r, "Failed to mangle unit name: %m");
break;
}
} else {
r = make_unit_name(bus, UNIT_SERVICE, &service);
if (r < 0)
return r;
r = unit_name_change_suffix(service, ".timer", &timer);
if (r < 0)
return log_error_errno(r, "Failed to change unit suffix: %m");
}
r = sd_bus_message_new_method_call(
bus,
&m,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
"StartTransientUnit");
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
if (r < 0)
return bus_log_create_error(r);
/* Name and Mode */
r = sd_bus_message_append(m, "ss", timer, "fail");
if (r < 0)
return bus_log_create_error(r);
/* Properties */
r = sd_bus_message_open_container(m, 'a', "(sv)");
if (r < 0)
return bus_log_create_error(r);
r = transient_timer_set_properties(m);
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_close_container(m);
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_open_container(m, 'a', "(sa(sv))");
if (r < 0)
return bus_log_create_error(r);
if (!strv_isempty(argv)) {
r = sd_bus_message_open_container(m, 'r', "sa(sv)");
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_append(m, "s", service);
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_open_container(m, 'a', "(sv)");
if (r < 0)
return bus_log_create_error(r);
r = transient_service_set_properties(m, argv, NULL);
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_close_container(m);
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_close_container(m);
if (r < 0)
return bus_log_create_error(r);
}
r = sd_bus_message_close_container(m);
if (r < 0)
return bus_log_create_error(r);
polkit_agent_open_if_enabled();
r = sd_bus_call(bus, m, 0, &error, &reply);
if (r < 0) {
log_error("Failed to start transient timer unit: %s", bus_error_message(&error, -r));
return r;
}
r = sd_bus_message_read(reply, "o", &object);
if (r < 0)
return bus_log_parse_error(r);
r = bus_wait_for_jobs_one(w, object, arg_quiet);
if (r < 0)
return r;
if (!arg_quiet) {
log_info("Running timer as unit: %s", timer);
if (argv[0])
log_info("Will run service as unit: %s", service);
}
return 0;
}
static int inspect_image(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
_cleanup_strv_free_ char **matches = NULL;
_cleanup_free_ char *image = NULL;
bool nl = false, header = false;
const void *data;
const char *path;
size_t sz;
int r;
r = determine_image(argv[1], false, &image);
if (r < 0)
return r;
r = determine_matches(argv[1], argv + 2, true, &matches);
if (r < 0)
return r;
r = acquire_bus(&bus);
if (r < 0)
return r;
r = sd_bus_message_new_method_call(
bus,
&m,
"org.freedesktop.portable1",
"/org/freedesktop/portable1",
"org.freedesktop.portable1.Manager",
"GetImageMetadata");
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_append(m, "s", image);
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_append_strv(m, matches);
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_call(bus, m, 0, &error, &reply);
if (r < 0)
return log_error_errno(r, "Failed to inspect image metadata: %s", bus_error_message(&error, r));
r = sd_bus_message_read(reply, "s", &path);
if (r < 0)
return bus_log_parse_error(r);
r = sd_bus_message_read_array(reply, 'y', &data, &sz);
if (r < 0)
return bus_log_parse_error(r);
(void) pager_open(arg_pager_flags);
if (arg_cat) {
printf("%s-- OS Release: --%s\n", ansi_highlight(), ansi_normal());
fwrite(data, sz, 1, stdout);
fflush(stdout);
nl = true;
} else {
_cleanup_free_ char *pretty_portable = NULL, *pretty_os = NULL;
_cleanup_fclose_ FILE *f;
f = fmemopen_unlocked((void*) data, sz, "re");
if (!f)
return log_error_errno(errno, "Failed to open /etc/os-release buffer: %m");
r = parse_env_file(f, "/etc/os-release",
"PORTABLE_PRETTY_NAME", &pretty_portable,
"PRETTY_NAME", &pretty_os);
if (r < 0)
return log_error_errno(r, "Failed to parse /etc/os-release: %m");
printf("Image:\n\t%s\n"
"Portable Service:\n\t%s\n"
"Operating System:\n\t%s\n",
path,
strna(pretty_portable),
strna(pretty_os));
}
r = sd_bus_message_enter_container(reply, 'a', "{say}");
if (r < 0)
return bus_log_parse_error(r);
for (;;) {
const char *name;
r = sd_bus_message_enter_container(reply, 'e', "say");
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);
r = sd_bus_message_read_array(reply, 'y', &data, &sz);
if (r < 0)
return bus_log_parse_error(r);
if (arg_cat) {
if (nl)
fputc('\n', stdout);
printf("%s-- Unit file: %s --%s\n", ansi_highlight(), name, ansi_normal());
fwrite(data, sz, 1, stdout);
fflush(stdout);
nl = true;
} else {
if (!header) {
fputs("Unit files:\n", stdout);
header = true;
}
fputc('\t', stdout);
fputs(name, stdout);
fputc('\n', stdout);
}
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);
return 0;
}
static int resolve_host(sd_bus *bus, const char *name) {
_cleanup_bus_message_unref_ sd_bus_message *req = NULL, *reply = NULL;
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
const char *canonical = NULL;
unsigned c = 0;
int r, ifindex;
uint64_t flags;
assert(name);
log_debug("Resolving %s (family %s, ifindex %i).", name, af_to_name(arg_family) ?: "*", arg_ifindex);
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_set_auto_start(req, false);
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);
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;
}
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', "(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;
size_t sz;
_cleanup_free_ char *pretty = NULL;
char ifname[IF_NAMESIZE] = "";
r = sd_bus_message_read(reply, "i", &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");
continue;
}
static int list_images(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
_cleanup_(table_unrefp) Table *table = NULL;
int r;
r = acquire_bus(&bus);
if (r < 0)
return r;
r = sd_bus_call_method(
bus,
"org.freedesktop.portable1",
"/org/freedesktop/portable1",
"org.freedesktop.portable1.Manager",
"ListImages",
&error,
&reply,
NULL);
if (r < 0)
return log_error_errno(r, "Failed to list images: %s", bus_error_message(&error, r));
table = table_new("name", "type", "ro", "crtime", "mtime", "usage", "state");
if (!table)
return log_oom();
r = sd_bus_message_enter_container(reply, 'a', "(ssbtttso)");
if (r < 0)
return bus_log_parse_error(r);
for (;;) {
const char *name, *type, *state;
uint64_t crtime, mtime, usage;
TableCell *cell;
bool ro_bool;
int ro_int;
r = sd_bus_message_read(reply, "(ssbtttso)", &name, &type, &ro_int, &crtime, &mtime, &usage, &state, NULL);
if (r < 0)
return bus_log_parse_error(r);
if (r == 0)
break;
r = table_add_many(table,
TABLE_STRING, name,
TABLE_STRING, type);
if (r < 0)
return log_error_errno(r, "Failed to add row to table: %m");
ro_bool = ro_int;
r = table_add_cell(table, &cell, TABLE_BOOLEAN, &ro_bool);
if (r < 0)
return log_error_errno(r, "Failed to add row to table: %m");
if (ro_bool) {
r = table_set_color(table, cell, ansi_highlight_red());
if (r < 0)
return log_error_errno(r, "Failed to set table cell color: %m");
}
r = table_add_many(table,
TABLE_TIMESTAMP, crtime,
TABLE_TIMESTAMP, mtime,
TABLE_SIZE, usage);
if (r < 0)
return log_error_errno(r, "Failed to add row to table: %m");
r = table_add_cell(table, &cell, TABLE_STRING, state);
if (r < 0)
return log_error_errno(r, "Failed to add row to table: %m");
if (!streq(state, "detached")) {
r = table_set_color(table, cell, ansi_highlight_green());
if (r < 0)
return log_error_errno(r, "Failed to set table cell color: %m");
}
}
r = sd_bus_message_exit_container(reply);
if (r < 0)
return bus_log_parse_error(r);
if (table_get_rows(table) > 1) {
r = table_set_sort(table, (size_t) 0, (size_t) -1);
if (r < 0)
return log_error_errno(r, "Failed to sort table: %m");
table_set_header(table, arg_legend);
r = table_print(table, NULL);
if (r < 0)
return log_error_errno(r, "Failed to show table: %m");
}
if (arg_legend) {
if (table_get_rows(table) > 1)
printf("\n%zu images listed.\n", table_get_rows(table) - 1);
else
printf("No images.\n");
}
return 0;
}
static int resolve_host(sd_bus *bus, const char *name) {
_cleanup_bus_message_unref_ sd_bus_message *req = NULL, *reply = NULL;
_cleanup_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) {
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', "(iiay)");
if (r < 0)
return bus_log_parse_error(r);
while ((r = sd_bus_message_enter_container(reply, 'r', "iiay")) > 0) {
const void *a;
size_t sz;
_cleanup_free_ char *pretty = NULL;
int ifindex, family;
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");
continue;
}
static int start_transient_scope(
sd_bus *bus,
char **argv) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
_cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
_cleanup_strv_free_ char **env = NULL, **user_env = NULL;
_cleanup_free_ char *scope = NULL;
const char *object = NULL;
int r;
assert(bus);
assert(argv);
r = bus_wait_for_jobs_new(bus, &w);
if (r < 0)
return log_oom();
if (arg_unit) {
r = unit_name_mangle_with_suffix(arg_unit, UNIT_NAME_NOGLOB, ".scope", &scope);
if (r < 0)
return log_error_errno(r, "Failed to mangle scope name: %m");
} else {
r = make_unit_name(bus, UNIT_SCOPE, &scope);
if (r < 0)
return r;
}
r = sd_bus_message_new_method_call(
bus,
&m,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
"StartTransientUnit");
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
if (r < 0)
return bus_log_create_error(r);
/* Name and Mode */
r = sd_bus_message_append(m, "ss", scope, "fail");
if (r < 0)
return bus_log_create_error(r);
/* Properties */
r = sd_bus_message_open_container(m, 'a', "(sv)");
if (r < 0)
return bus_log_create_error(r);
r = transient_scope_set_properties(m);
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_close_container(m);
if (r < 0)
return bus_log_create_error(r);
/* Auxiliary units */
r = sd_bus_message_append(m, "a(sa(sv))", 0);
if (r < 0)
return bus_log_create_error(r);
polkit_agent_open_if_enabled();
r = sd_bus_call(bus, m, 0, &error, &reply);
if (r < 0) {
log_error("Failed to start transient scope unit: %s", bus_error_message(&error, -r));
return r;
}
if (arg_nice_set) {
if (setpriority(PRIO_PROCESS, 0, arg_nice) < 0)
return log_error_errno(errno, "Failed to set nice level: %m");
}
if (arg_exec_group) {
gid_t gid;
r = get_group_creds(&arg_exec_group, &gid);
if (r < 0)
return log_error_errno(r, "Failed to resolve group %s: %m", arg_exec_group);
if (setresgid(gid, gid, gid) < 0)
return log_error_errno(errno, "Failed to change GID to " GID_FMT ": %m", gid);
}
if (arg_exec_user) {
const char *home, *shell;
uid_t uid;
gid_t gid;
r = get_user_creds(&arg_exec_user, &uid, &gid, &home, &shell);
if (r < 0)
return log_error_errno(r, "Failed to resolve user %s: %m", arg_exec_user);
r = strv_extendf(&user_env, "HOME=%s", home);
if (r < 0)
return log_oom();
r = strv_extendf(&user_env, "SHELL=%s", shell);
if (r < 0)
return log_oom();
r = strv_extendf(&user_env, "USER=%s", arg_exec_user);
if (r < 0)
return log_oom();
r = strv_extendf(&user_env, "LOGNAME=%s", arg_exec_user);
if (r < 0)
return log_oom();
if (!arg_exec_group) {
if (setresgid(gid, gid, gid) < 0)
return log_error_errno(errno, "Failed to change GID to " GID_FMT ": %m", gid);
}
if (setresuid(uid, uid, uid) < 0)
return log_error_errno(errno, "Failed to change UID to " UID_FMT ": %m", uid);
}
env = strv_env_merge(3, environ, user_env, arg_environment);
if (!env)
return log_oom();
r = sd_bus_message_read(reply, "o", &object);
if (r < 0)
return bus_log_parse_error(r);
r = bus_wait_for_jobs_one(w, object, arg_quiet);
if (r < 0)
return r;
if (!arg_quiet)
log_info("Running scope as unit: %s", scope);
execvpe(argv[0], argv, env);
return log_error_errno(errno, "Failed to execute: %m");
}
