static bool arg_firmware_setup = false;
static bool arg_now = false;
-static bool original_stdout_is_tty;
-
-static int daemon_reload(sd_bus *bus, char **args);
+static int daemon_reload(char **args);
static int halt_now(enum action a);
static int check_one_unit(sd_bus *bus, const char *name, const char *good_states, bool quiet);
+static bool original_stdout_is_tty;
+
+typedef enum BusFocus {
+ BUS_FULL, /* The full bus indicated via --system or --user */
+ BUS_MANAGER, /* The manager itself, possibly directly, possibly via the bus */
+ _BUS_FOCUS_MAX
+} BusFocus;
+
+static sd_bus *busses[_BUS_FOCUS_MAX] = {};
+
+static int acquire_bus(BusFocus focus, sd_bus **ret) {
+ int r;
+
+ assert(focus < _BUS_FOCUS_MAX);
+ assert(ret);
+
+ /* We only go directly to the manager, if we are using a local transport */
+ if (arg_transport != BUS_TRANSPORT_LOCAL)
+ focus = BUS_FULL;
+
+ if (!busses[focus]) {
+ bool user;
+
+ user = arg_scope != UNIT_FILE_SYSTEM;
+
+ if (focus == BUS_MANAGER)
+ r = bus_connect_transport_systemd(arg_transport, arg_host, user, &busses[focus]);
+ else
+ r = bus_connect_transport(arg_transport, arg_host, user, &busses[focus]);
+ if (r < 0)
+ return log_error_errno(r, "Failed to connect to bus: %m");
+
+ (void) sd_bus_set_allow_interactive_authorization(busses[focus], arg_ask_password);
+ }
+
+ *ret = busses[focus];
+ return 0;
+}
+
+static void release_busses(void) {
+ BusFocus w;
+
+ for (w = 0; w < _BUS_FOCUS_MAX; w++)
+ busses[w] = sd_bus_flush_close_unref(busses[w]);
+}
+
static void pager_open_if_enabled(void) {
if (arg_no_pager)
return EXIT_FAILURE;
}
-static bool avoid_bus(void) {
+static bool install_client_side(void) {
- /* /sbin/runlevel doesn't need to communicate via D-Bus, so
- * let's shortcut this */
- if (arg_action == ACTION_RUNLEVEL)
- return true;
+ /* Decides when to execute enable/disable/... operations
+ * client-side rather than server-side. */
if (running_in_chroot() > 0)
return true;
return c;
}
-static int list_units(sd_bus *bus, char **args) {
+static int list_units(char **args) {
_cleanup_free_ UnitInfo *unit_infos = NULL;
_cleanup_(message_set_freep) Set *replies = NULL;
_cleanup_strv_free_ char **machines = NULL;
+ sd_bus *bus;
int r;
pager_open_if_enabled();
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
r = get_unit_list_recursive(bus, strv_skip(args, 1), &unit_infos, &replies, &machines);
if (r < 0)
return r;
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
+ assert(bus);
+ assert(path);
+ assert(ret);
+
r = sd_bus_get_property_strv(
bus,
"org.freedesktop.systemd1",
return 0;
}
-static int list_sockets(sd_bus *bus, char **args) {
+static int list_sockets(char **args) {
_cleanup_(message_set_freep) Set *replies = NULL;
_cleanup_strv_free_ char **machines = NULL;
_cleanup_free_ UnitInfo *unit_infos = NULL;
unsigned cs = 0;
size_t size = 0;
int r = 0, n;
+ sd_bus *bus;
pager_open_if_enabled();
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
n = get_unit_list_recursive(bus, strv_skip(args, 1), &unit_infos, &replies, &machines);
if (n < 0)
return n;
return next_elapse;
}
-static int list_timers(sd_bus *bus, char **args) {
+static int list_timers(char **args) {
_cleanup_(message_set_freep) Set *replies = NULL;
_cleanup_strv_free_ char **machines = NULL;
_cleanup_free_ struct timer_info *timer_infos = NULL;
size_t size = 0;
int n, c = 0;
dual_timestamp nw;
+ sd_bus *bus;
int r = 0;
pager_open_if_enabled();
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
n = get_unit_list_recursive(bus, strv_skip(args, 1), &unit_infos, &replies, &machines);
if (n < 0)
return n;
printf("\n%u unit files listed.\n", c);
}
-static int list_unit_files(sd_bus *bus, char **args) {
+static int list_unit_files(char **args) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
_cleanup_free_ UnitFileList *units = NULL;
UnitFileList *unit;
pager_open_if_enabled();
- if (avoid_bus()) {
+ if (install_client_side()) {
Hashmap *h;
UnitFileList *u;
Iterator i;
hashmap_free(h);
} else {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus;
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
r = sd_bus_call_method(
bus,
qsort_safe(units, c, sizeof(UnitFileList), compare_unit_file_list);
output_unit_file_list(units, c);
- if (avoid_bus()) {
+ if (install_client_side()) {
for (unit = units; unit < units + c; unit++)
free(unit->path);
}
return 0;
}
-static int list_dependencies(sd_bus *bus, char **args) {
+static int list_dependencies(char **args) {
_cleanup_strv_free_ char **units = NULL;
_cleanup_free_ char *unit = NULL;
const char *u;
+ sd_bus *bus;
int r;
- assert(bus);
-
if (args[1]) {
r = unit_name_mangle(args[1], UNIT_NAME_NOGLOB, &unit);
if (r < 0)
pager_open_if_enabled();
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
puts(u);
return list_dependencies_one(bus, u, 0, &units, 0);
printf("\n%u machines listed.\n", n);
}
-static int list_machines(sd_bus *bus, char **args) {
+static int list_machines(char **args) {
struct machine_info *machine_infos = NULL;
+ sd_bus *bus;
int r;
- assert(bus);
-
if (geteuid() != 0) {
log_error("Must be root.");
return -EPERM;
pager_open_if_enabled();
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
r = get_machine_list(bus, &machine_infos, strv_skip(args, 1));
if (r < 0)
return r;
return 0;
}
-static int get_default(sd_bus *bus, char **args) {
+static int get_default(char **args) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
_cleanup_free_ char *_path = NULL;
const char *path;
int r;
- if (!bus || avoid_bus()) {
+ if (install_client_side()) {
r = unit_file_get_default(arg_scope, arg_root, &_path);
if (r < 0)
return log_error_errno(r, "Failed to get default target: %m");
} else {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus;
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
r = sd_bus_call_method(
bus,
}
}
-static int set_default(sd_bus *bus, char **args) {
+static int set_default(char **args) {
_cleanup_free_ char *unit = NULL;
- UnitFileChange *changes = NULL;
- unsigned n_changes = 0;
int r;
r = unit_name_mangle_with_suffix(args[1], UNIT_NAME_NOGLOB, ".target", &unit);
if (r < 0)
return log_error_errno(r, "Failed to mangle unit name: %m");
- if (!bus || avoid_bus()) {
+ if (install_client_side()) {
+ UnitFileChange *changes = NULL;
+ unsigned n_changes = 0;
+
r = unit_file_set_default(arg_scope, arg_root, unit, true, &changes, &n_changes);
if (r < 0)
return log_error_errno(r, "Failed to set default target: %m");
if (!arg_quiet)
dump_unit_file_changes(changes, n_changes);
+ unit_file_changes_free(changes, n_changes);
r = 0;
} else {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ sd_bus *bus;
polkit_agent_open_if_enabled();
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
r = sd_bus_call_method(
bus,
"org.freedesktop.systemd1",
/* Try to reload if enabled */
if (!arg_no_reload)
- r = daemon_reload(bus, args);
+ r = daemon_reload(args);
else
r = 0;
}
- unit_file_changes_free(changes, n_changes);
-
return r;
}
return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
}
-static int list_jobs(sd_bus *bus, char **args) {
+static int list_jobs(char **args) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
const char *name, *type, *state, *job_path, *unit_path;
_cleanup_free_ struct job_info *jobs = NULL;
size_t size = 0;
unsigned c = 0;
+ sd_bus *bus;
uint32_t id;
int r;
bool skipped = false;
+ pager_open_if_enabled();
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
r = sd_bus_call_method(
bus,
"org.freedesktop.systemd1",
return r;
}
-static int cancel_job(sd_bus *bus, char **args) {
+static int cancel_job(char **args) {
+ sd_bus *bus;
char **name;
int r = 0;
assert(args);
if (strv_length(args) <= 1)
- return daemon_reload(bus, args);
+ return daemon_reload(args);
polkit_agent_open_if_enabled();
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
STRV_FOREACH(name, args+1) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
uint32_t id;
static int unit_find_paths(
sd_bus *bus,
const char *unit_name,
- bool avoid_bus_cache,
LookupPaths *lp,
char **fragment_path,
char ***dropin_paths) {
assert(fragment_path);
assert(lp);
- if (!avoid_bus_cache && !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
+ if (!install_client_side() && !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *unit_load_error = NULL;
_cleanup_free_ char *unit = NULL;
}
static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) {
-
_cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
char **name;
int r, i;
+ assert(bus);
+ assert(ret);
+
STRV_FOREACH(name, names) {
char *t;
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
_cleanup_free_ UnitInfo *unit_infos = NULL;
- if (!bus)
- return log_error_errno(EOPNOTSUPP, "Unit name globbing without bus is not implemented.");
-
r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
if (r < 0)
return r;
return _ACTION_INVALID;
}
-static int start_unit(sd_bus *bus, char **args) {
+static int start_unit(char **args) {
_cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
const char *method, *mode, *one_name, *suffix = NULL;
_cleanup_strv_free_ char **names = NULL;
+ sd_bus *bus;
char **name;
int r = 0;
- assert(bus);
-
ask_password_agent_open_if_enabled();
polkit_agent_open_if_enabled();
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
if (arg_action == ACTION_SYSTEMCTL) {
enum action action;
method = verb_to_method(args[0]);
if (one_name)
names = strv_new(one_name, NULL);
else {
- r = expand_names(bus, args + 1, suffix, &names);
+ r = expand_names(bus, strv_skip(args, 1), suffix, &names);
if (r < 0)
log_error_errno(r, "Failed to expand names: %m");
}
return r;
}
-static int logind_set_wall_message(sd_bus *bus) {
+static int logind_set_wall_message(void) {
#ifdef HAVE_LOGIND
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus;
_cleanup_free_ char *m = NULL;
int r;
- assert(bus);
+ r = acquire_bus(BUS_FULL, &bus);
+ if (r < 0)
+ return r;
m = strv_join(arg_wall, " ");
if (!m)
/* Ask systemd-logind, which might grant access to unprivileged users
* through PolicyKit */
-static int logind_reboot(sd_bus *bus, enum action a) {
+static int logind_reboot(enum action a) {
#ifdef HAVE_LOGIND
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
const char *method, *description;
+ sd_bus *bus;
int r;
- if (!bus)
- return -EIO;
-
polkit_agent_open_if_enabled();
+ (void) logind_set_wall_message();
- (void) logind_set_wall_message(bus);
+ r = acquire_bus(BUS_FULL, &bus);
+ if (r < 0)
+ return r;
switch (a) {
#endif
}
-static int logind_check_inhibitors(sd_bus *bus, enum action a) {
+static int logind_check_inhibitors(enum action a) {
#ifdef HAVE_LOGIND
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
_cleanup_strv_free_ char **sessions = NULL;
const char *what, *who, *why, *mode;
uint32_t uid, pid;
+ sd_bus *bus;
unsigned c = 0;
char **s;
int r;
- if (!bus)
- return 0;
-
if (arg_ignore_inhibitors || arg_force > 0)
return 0;
if (!on_tty())
return 0;
+ r = acquire_bus(BUS_FULL, &bus);
+ if (r < 0)
+ return r;
+
r = sd_bus_call_method(
bus,
"org.freedesktop.login1",
#endif
}
-static int prepare_firmware_setup(sd_bus *bus) {
+static int logind_prepare_firmware_setup(void) {
#ifdef HAVE_LOGIND
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-#endif
+ sd_bus *bus;
int r;
- if (!arg_firmware_setup)
- return 0;
-
- if (arg_transport == BUS_TRANSPORT_LOCAL) {
-
- r = efi_set_reboot_to_firmware(true);
- if (r < 0)
- log_debug_errno(r, "Cannot indicate to EFI to boot into setup mode, will retry via logind: %m");
- else
- return r;
- }
+ r = acquire_bus(BUS_FULL, &bus);
+ if (r < 0)
+ return r;
-#ifdef HAVE_LOGIND
r = sd_bus_call_method(
bus,
"org.freedesktop.login1",
&error,
NULL,
"b", true);
- if (r < 0) {
- log_error("Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r));
return 0;
#else
log_error("Cannot remotely indicate to EFI to boot into setup mode.");
- return -EINVAL;
+ return -ENOSYS;
#endif
}
-static int start_special(sd_bus *bus, char **args) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+static int prepare_firmware_setup(void) {
+ int r;
+
+ if (!arg_firmware_setup)
+ return 0;
+
+ if (arg_transport == BUS_TRANSPORT_LOCAL) {
+
+ r = efi_set_reboot_to_firmware(true);
+ if (r < 0)
+ log_debug_errno(r, "Cannot indicate to EFI to boot into setup mode, will retry via logind: %m");
+ else
+ return r;
+ }
+
+ return logind_prepare_firmware_setup();
+}
+
+static int start_special(char **args) {
enum action a;
int r;
a = verb_to_action(args[0]);
- r = logind_check_inhibitors(bus, a);
+ r = logind_check_inhibitors(a);
if (r < 0)
return r;
return -EPERM;
}
- r = prepare_firmware_setup(bus);
+ r = prepare_firmware_setup();
if (r < 0)
return r;
if (r < 0)
return r;
} else if (a == ACTION_EXIT && strv_length(args) > 1) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
/* If the exit code is not given on the command line, don't
* reset it to zero: just keep it as it might have been set
* previously. */
uint8_t code = 0;
+ sd_bus *bus;
r = safe_atou8(args[1], &code);
if (r < 0) {
return -EINVAL;
}
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
r = sd_bus_call_method(
bus,
"org.freedesktop.systemd1",
ACTION_REBOOT,
ACTION_KEXEC,
ACTION_EXIT))
- return daemon_reload(bus, args);
+ return daemon_reload(args);
/* first try logind, to allow authentication with polkit */
if (geteuid() != 0 &&
ACTION_SUSPEND,
ACTION_HIBERNATE,
ACTION_HYBRID_SLEEP)) {
- r = logind_reboot(bus, a);
+ r = logind_reboot(a);
if (r >= 0)
return r;
if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
/* on all other errors, try low-level operation */
}
- return start_unit(bus, args);
+ return start_unit(args);
}
-static int check_unit_generic(sd_bus *bus, int code, const char *good_states, char **args) {
+static int check_unit_generic(int code, const char *good_states, char **args) {
_cleanup_strv_free_ char **names = NULL;
+ sd_bus *bus;
char **name;
int r;
- assert(bus);
assert(args);
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
r = expand_names(bus, args, NULL, &names);
if (r < 0)
return log_error_errno(r, "Failed to expand names: %m");
return r;
}
-static int check_unit_active(sd_bus *bus, char **args) {
+static int check_unit_active(char **args) {
/* According to LSB: 3, "program is not running" */
- return check_unit_generic(bus, 3, "active\0reloading\0", args + 1);
+ return check_unit_generic(3, "active\0reloading\0", strv_skip(args, 1));
}
-static int check_unit_failed(sd_bus *bus, char **args) {
- return check_unit_generic(bus, 1, "failed\0", args + 1);
+static int check_unit_failed(char **args) {
+ return check_unit_generic(1, "failed\0", strv_skip(args, 1));
}
-static int kill_unit(sd_bus *bus, char **args) {
+static int kill_unit(char **args) {
_cleanup_strv_free_ char **names = NULL;
char *kill_who = NULL, **name;
+ sd_bus *bus;
int r, q;
- assert(bus);
assert(args);
polkit_agent_open_if_enabled();
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
if (!arg_kill_who)
arg_kill_who = "all";
return 0;
}
-static int show(sd_bus *bus, char **args) {
+static int show(char **args) {
bool show_properties, show_status, new_line = false;
bool ellipsized = false;
int r, ret = 0;
+ sd_bus *bus;
- assert(bus);
assert(args);
show_properties = streq(args[0], "show");
* be split up into many files. */
setrlimit_closest(RLIMIT_NOFILE, &RLIMIT_MAKE_CONST(16384));
- /* If no argument is specified inspect the manager itself */
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+ /* If no argument is specified inspect the manager itself */
if (show_properties && strv_length(args) <= 1)
return show_one(args[0], bus, "/org/freedesktop/systemd1", show_properties, &new_line, &ellipsized);
return copy_bytes(fd, STDOUT_FILENO, (uint64_t) -1, false);
}
-static int cat(sd_bus *bus, char **args) {
+static int cat(char **args) {
_cleanup_free_ char *user_home = NULL;
_cleanup_free_ char *user_runtime = NULL;
_cleanup_lookup_paths_free_ LookupPaths lp = {};
_cleanup_strv_free_ char **names = NULL;
char **name;
- bool first = true, avoid_bus_cache;
+ sd_bus *bus;
+ bool first = true;
int r;
assert(args);
if (arg_transport != BUS_TRANSPORT_LOCAL) {
- log_error("Cannot remotely cat units");
+ log_error("Cannot remotely cat units.");
return -EINVAL;
}
if (r < 0)
return r;
- r = expand_names(bus, args + 1, NULL, &names);
+ r = acquire_bus(BUS_MANAGER, &bus);
if (r < 0)
- return log_error_errno(r, "Failed to expand names: %m");
+ return r;
- avoid_bus_cache = !bus || avoid_bus();
+ r = expand_names(bus, strv_skip(args, 1), NULL, &names);
+ if (r < 0)
+ return log_error_errno(r, "Failed to expand names: %m");
pager_open_if_enabled();
_cleanup_strv_free_ char **dropin_paths = NULL;
char **path;
- r = unit_find_paths(bus, *name, avoid_bus_cache, &lp, &fragment_path, &dropin_paths);
+ r = unit_find_paths(bus, *name, &lp, &fragment_path, &dropin_paths);
if (r < 0)
return r;
else if (r == 0)
return 0;
}
-static int set_property(sd_bus *bus, char **args) {
+static int set_property(char **args) {
_cleanup_bus_message_unref_ sd_bus_message *m = NULL;
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_free_ char *n = NULL;
+ sd_bus *bus;
char **i;
int r;
polkit_agent_open_if_enabled();
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
r = sd_bus_message_new_method_call(
bus,
&m,
return 0;
}
-static int snapshot(sd_bus *bus, char **args) {
+static int snapshot(char **args) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
_cleanup_free_ char *n = NULL, *id = NULL;
const char *path;
+ sd_bus *bus;
int r;
polkit_agent_open_if_enabled();
return log_oom();
}
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
r = sd_bus_call_method(
bus,
"org.freedesktop.systemd1",
return 0;
}
-static int delete_snapshot(sd_bus *bus, char **args) {
+static int delete_snapshot(char **args) {
_cleanup_strv_free_ char **names = NULL;
+ sd_bus *bus;
char **name;
int r;
polkit_agent_open_if_enabled();
- r = expand_names(bus, args + 1, ".snapshot", &names);
+ r = acquire_bus(BUS_MANAGER, &bus);
if (r < 0)
- log_error_errno(r, "Failed to expand names: %m");
+ return r;
+
+ r = expand_names(bus, strv_skip(args, 1), ".snapshot", &names);
+ if (r < 0)
+ return log_error_errno(r, "Failed to expand names: %m");
STRV_FOREACH(name, names) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
return r;
}
-static int daemon_reload(sd_bus *bus, char **args) {
+static int daemon_reload(char **args) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
const char *method;
+ sd_bus *bus;
int r;
polkit_agent_open_if_enabled();
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
if (arg_action == ACTION_RELOAD)
method = "Reload";
else if (arg_action == ACTION_REEXEC)
return r < 0 ? r : 0;
}
-static int reset_failed(sd_bus *bus, char **args) {
+static int reset_failed(char **args) {
_cleanup_strv_free_ char **names = NULL;
+ sd_bus *bus;
char **name;
int r, q;
if (strv_length(args) <= 1)
- return daemon_reload(bus, args);
+ return daemon_reload(args);
polkit_agent_open_if_enabled();
- r = expand_names(bus, args + 1, NULL, &names);
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ r = expand_names(bus, strv_skip(args, 1), NULL, &names);
if (r < 0)
log_error_errno(r, "Failed to expand names: %m");
return r;
}
-static int show_environment(sd_bus *bus, char **args) {
+static int show_environment(char **args) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
const char *text;
+ sd_bus *bus;
int r;
pager_open_if_enabled();
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
r = sd_bus_get_property(
bus,
"org.freedesktop.systemd1",
return 0;
}
-static int switch_root(sd_bus *bus, char **args) {
+static int switch_root(char **args) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_free_ char *cmdline_init = NULL;
const char *root, *init;
+ sd_bus *bus;
unsigned l;
int r;
+ if (arg_transport != BUS_TRANSPORT_LOCAL) {
+ log_error("Cannot switch root remotely.");
+ return -EINVAL;
+ }
+
l = strv_length(args);
if (l < 2 || l > 3) {
log_error("Wrong number of arguments.");
init = NULL;
}
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
log_debug("Switching root - root: %s; init: %s", root, strna(init));
r = sd_bus_call_method(
return 0;
}
-static int set_environment(sd_bus *bus, char **args) {
+static int set_environment(char **args) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *m = NULL;
const char *method;
+ sd_bus *bus;
int r;
- assert(bus);
assert(args);
polkit_agent_open_if_enabled();
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
method = streq(args[0], "set-environment")
? "SetEnvironment"
: "UnsetEnvironment";
return 0;
}
-static int import_environment(sd_bus *bus, char **args) {
+static int import_environment(char **args) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *m = NULL;
+ sd_bus *bus;
int r;
- assert(bus);
assert(args);
polkit_agent_open_if_enabled();
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
r = sd_bus_message_new_method_call(
bus,
&m,
return 0;
}
-static int enable_unit(sd_bus *bus, char **args) {
+static int enable_unit(char **args) {
_cleanup_strv_free_ char **names = NULL;
const char *verb = args[0];
UnitFileChange *changes = NULL;
if (strv_isempty(names))
return 0;
- if (!bus || avoid_bus()) {
+ if (install_client_side()) {
if (streq(verb, "enable")) {
r = unit_file_enable(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
carries_install_info = r;
int expect_carries_install_info = false;
bool send_force = true, send_preset_mode = false;
const char *method;
+ sd_bus *bus;
polkit_agent_open_if_enabled();
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
if (streq(verb, "enable")) {
method = "EnableUnitFiles";
expect_carries_install_info = true;
/* Try to reload if enabled */
if (!arg_no_reload)
- r = daemon_reload(bus, args);
+ r = daemon_reload(args);
else
r = 0;
}
if (arg_now && n_changes > 0 && STR_IN_SET(args[0], "enable", "disable", "mask")) {
char *new_args[n_changes + 2];
+ sd_bus *bus;
unsigned i;
- new_args[0] = streq(args[0], "enable") ? (char *)"start" : (char *)"stop";
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ new_args[0] = (char*) (streq(args[0], "enable") ? "start" : "stop");
for (i = 0; i < n_changes; i++)
new_args[i + 1] = basename(changes[i].path);
new_args[i + 1] = NULL;
- r = start_unit(bus, new_args);
+ r = start_unit(new_args);
}
finish:
return r;
}
-static int add_dependency(sd_bus *bus, char **args) {
+static int add_dependency(char **args) {
_cleanup_strv_free_ char **names = NULL;
_cleanup_free_ char *target = NULL;
const char *verb = args[0];
else
assert_not_reached("Unknown verb");
- if (!bus || avoid_bus()) {
+ if (install_client_side()) {
UnitFileChange *changes = NULL;
unsigned n_changes = 0;
} else {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *m = NULL;
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus;
polkit_agent_open_if_enabled();
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
r = sd_bus_message_new_method_call(
bus,
&m,
return r;
if (!arg_no_reload)
- r = daemon_reload(bus, args);
+ r = daemon_reload(args);
else
r = 0;
}
return r;
}
-static int preset_all(sd_bus *bus, char **args) {
+static int preset_all(char **args) {
UnitFileChange *changes = NULL;
unsigned n_changes = 0;
int r;
- if (!bus || avoid_bus()) {
+ if (install_client_side()) {
r = unit_file_preset_all(arg_scope, arg_runtime, arg_root, arg_preset_mode, arg_force, &changes, &n_changes);
if (r < 0) {
} else {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ sd_bus *bus;
polkit_agent_open_if_enabled();
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
r = sd_bus_call_method(
bus,
"org.freedesktop.systemd1",
return r;
if (!arg_no_reload)
- r = daemon_reload(bus, args);
+ r = daemon_reload(args);
else
r = 0;
}
return r;
}
-static int unit_is_enabled(sd_bus *bus, char **args) {
+static int unit_is_enabled(char **args) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_strv_free_ char **names = NULL;
bool enabled;
char **name;
enabled = r > 0;
- if (!bus || avoid_bus()) {
+ if (install_client_side()) {
STRV_FOREACH(name, names) {
UnitFileState state;
}
} else {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus;
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
STRV_FOREACH(name, names) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
const char *s;
return !enabled;
}
-static int is_system_running(sd_bus *bus, char **args) {
+static int is_system_running(char **args) {
_cleanup_free_ char *state = NULL;
+ sd_bus *bus;
int r;
if (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted()) {
return EXIT_FAILURE;
}
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
r = sd_bus_get_property_string(
bus,
"org.freedesktop.systemd1",
_cleanup_free_ char *user_home = NULL;
_cleanup_free_ char *user_runtime = NULL;
_cleanup_lookup_paths_free_ LookupPaths lp = {};
- bool avoid_bus_cache;
char **name;
int r;
if (r < 0)
return r;
- avoid_bus_cache = !bus || avoid_bus();
-
STRV_FOREACH(name, names) {
_cleanup_free_ char *path = NULL;
char *new_path, *tmp_path;
- r = unit_find_paths(bus, *name, avoid_bus_cache, &lp, &path, NULL);
+ r = unit_find_paths(bus, *name, &lp, &path, NULL);
if (r < 0)
return r;
else if (r == 0)
return 0;
}
-static int edit(sd_bus *bus, char **args) {
+static int edit(char **args) {
_cleanup_strv_free_ char **names = NULL;
_cleanup_strv_free_ char **paths = NULL;
char **original, **tmp;
+ sd_bus *bus;
int r;
assert(args);
if (!on_tty()) {
- log_error("Cannot edit units if not on a tty");
+ log_error("Cannot edit units if not on a tty.");
return -EINVAL;
}
if (arg_transport != BUS_TRANSPORT_LOCAL) {
- log_error("Cannot remotely edit units");
+ log_error("Cannot edit units remotely.");
return -EINVAL;
}
- r = expand_names(bus, args + 1, NULL, &names);
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ r = expand_names(bus, strv_skip(args, 1), NULL, &names);
if (r < 0)
return log_error_errno(r, "Failed to expand names: %m");
}
}
- if (!arg_no_reload && bus && !avoid_bus())
- r = daemon_reload(bus, args);
+ if (!arg_no_reload && bus && !install_client_side())
+ r = daemon_reload(args);
end:
STRV_FOREACH_PAIR(original, tmp, paths)
#endif
}
-static int systemctl_main(sd_bus *bus, int argc, char *argv[], int bus_error) {
+static int systemctl_main(int argc, char *argv[], int bus_error) {
static const struct {
const char* verb;
EQUAL
} argc_cmp;
const int argc;
- int (* const dispatch)(sd_bus *bus, char **args);
- const enum {
- NOBUS = 1,
- FORCE,
- } bus;
+ int (* const dispatch)(char **args);
} verbs[] = {
{ "list-units", MORE, 0, list_units },
- { "list-unit-files", MORE, 1, list_unit_files, NOBUS },
+ { "list-unit-files", MORE, 1, list_unit_files },
{ "list-sockets", MORE, 1, list_sockets },
{ "list-timers", MORE, 1, list_timers },
{ "list-jobs", MORE, 1, list_jobs },
{ "check", MORE, 2, check_unit_active },
{ "is-failed", MORE, 2, check_unit_failed },
{ "show", MORE, 1, show },
- { "cat", MORE, 2, cat, NOBUS },
+ { "cat", MORE, 2, cat, },
{ "status", MORE, 1, show },
{ "help", MORE, 2, show },
{ "snapshot", LESS, 2, snapshot },
{ "set-environment", MORE, 2, set_environment },
{ "unset-environment", MORE, 2, set_environment },
{ "import-environment", MORE, 1, import_environment},
- { "halt", EQUAL, 1, start_special, FORCE },
- { "poweroff", EQUAL, 1, start_special, FORCE },
- { "reboot", MORE, 1, start_special, FORCE },
+ { "halt", EQUAL, 1, start_special, },
+ { "poweroff", EQUAL, 1, start_special, },
+ { "reboot", MORE, 1, start_special, },
{ "kexec", EQUAL, 1, start_special },
{ "suspend", EQUAL, 1, start_special },
{ "hibernate", EQUAL, 1, start_special },
{ "emergency", EQUAL, 1, start_special },
{ "exit", LESS, 2, start_special },
{ "reset-failed", MORE, 1, reset_failed },
- { "enable", MORE, 2, enable_unit, NOBUS },
- { "disable", MORE, 2, enable_unit, NOBUS },
- { "is-enabled", MORE, 2, unit_is_enabled, NOBUS },
- { "reenable", MORE, 2, enable_unit, NOBUS },
- { "preset", MORE, 2, enable_unit, NOBUS },
- { "preset-all", EQUAL, 1, preset_all, NOBUS },
- { "mask", MORE, 2, enable_unit, NOBUS },
- { "unmask", MORE, 2, enable_unit, NOBUS },
- { "link", MORE, 2, enable_unit, NOBUS },
+ { "enable", MORE, 2, enable_unit, },
+ { "disable", MORE, 2, enable_unit, },
+ { "is-enabled", MORE, 2, unit_is_enabled, },
+ { "reenable", MORE, 2, enable_unit, },
+ { "preset", MORE, 2, enable_unit, },
+ { "preset-all", EQUAL, 1, preset_all, },
+ { "mask", MORE, 2, enable_unit, },
+ { "unmask", MORE, 2, enable_unit, },
+ { "link", MORE, 2, enable_unit, },
{ "switch-root", MORE, 2, switch_root },
{ "list-dependencies", LESS, 2, list_dependencies },
- { "set-default", EQUAL, 2, set_default, NOBUS },
- { "get-default", EQUAL, 1, get_default, NOBUS },
+ { "set-default", EQUAL, 2, set_default, },
+ { "get-default", EQUAL, 1, get_default, },
{ "set-property", MORE, 3, set_property },
{ "is-system-running", EQUAL, 1, is_system_running },
- { "add-wants", MORE, 3, add_dependency, NOBUS },
- { "add-requires", MORE, 3, add_dependency, NOBUS },
- { "edit", MORE, 2, edit, NOBUS },
+ { "add-wants", MORE, 3, add_dependency, },
+ { "add-requires", MORE, 3, add_dependency, },
+ { "edit", MORE, 2, edit, },
{}
}, *verb = verbs;
assert_not_reached("Unknown comparison operator.");
}
- /* Require a bus connection for all operations but
- * enable/disable */
- if (verb->bus == NOBUS) {
- if (!bus && !avoid_bus()) {
- log_error_errno(bus_error, "Failed to get D-Bus connection: %m");
- return -EIO;
- }
-
- } else {
- if (running_in_chroot() > 0) {
- log_info("Running in chroot, ignoring request.");
- return 0;
- }
-
- if ((verb->bus != FORCE || arg_force <= 0) && !bus) {
- log_error_errno(bus_error, "Failed to get D-Bus connection: %m");
- return -EIO;
- }
- }
-
- return verb->dispatch(bus, argv + optind);
+ return verb->dispatch(argv + optind);
}
-static int reload_with_fallback(sd_bus *bus) {
+static int reload_with_fallback(void) {
- if (bus) {
- /* First, try systemd via D-Bus. */
- if (daemon_reload(bus, NULL) >= 0)
- return 0;
- }
+ /* First, try systemd via D-Bus. */
+ if (daemon_reload(NULL) >= 0)
+ return 0;
/* Nothing else worked, so let's try signals */
assert(arg_action == ACTION_RELOAD || arg_action == ACTION_REEXEC);
return 0;
}
-static int start_with_fallback(sd_bus *bus) {
+static int start_with_fallback(void) {
- if (bus) {
- /* First, try systemd via D-Bus. */
- if (start_unit(bus, NULL) >= 0)
- return 0;
- }
+ /* First, try systemd via D-Bus. */
+ if (start_unit(NULL) >= 0)
+ return 0;
/* Nothing else worked, so let's try
* /dev/initctl */
#ifdef HAVE_LOGIND
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_bus_flush_close_unref_ sd_bus *b = NULL;
char date[FORMAT_TIMESTAMP_MAX];
const char *action;
+ sd_bus *bus;
int r;
- assert(geteuid() == 0);
-
- if (avoid_bus()) {
- log_error("Unable to perform operation without bus connection.");
- return -ENOSYS;
- }
+ (void) logind_set_wall_message();
- r = sd_bus_open_system(&b);
+ r = acquire_bus(BUS_FULL, &bus);
if (r < 0)
- return log_error_errno(r, "Unable to open system bus: %m");
-
- (void) logind_set_wall_message(b);
+ return r;
switch (arg_action) {
case ACTION_HALT:
action = strjoina("dry-", action);
r = sd_bus_call_method(
- b,
+ bus,
"org.freedesktop.login1",
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
#endif
}
-static int halt_main(sd_bus *bus) {
+static int halt_main(void) {
int r;
- r = logind_check_inhibitors(bus, arg_action);
+ r = logind_check_inhibitors(arg_action);
if (r < 0)
return r;
if (IN_SET(arg_action,
ACTION_POWEROFF,
ACTION_REBOOT)) {
- r = logind_reboot(bus, arg_action);
+ r = logind_reboot(arg_action);
if (r >= 0)
return r;
if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
}
if (!arg_dry && !arg_force)
- return start_with_fallback(bus);
+ return start_with_fallback();
assert(geteuid() == 0);
static int logind_cancel_shutdown(void) {
#ifdef HAVE_LOGIND
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_bus_flush_close_unref_ sd_bus *b = NULL;
+ sd_bus *bus;
int r;
- if (avoid_bus()) {
- log_error("Unable to perform operation without bus connection.");
- return -ENOSYS;
- }
-
- r = sd_bus_open_system(&b);
+ r = acquire_bus(BUS_FULL, &bus);
if (r < 0)
- return log_error_errno(r, "Unable to open system bus: %m");
+ return r;
- (void) logind_set_wall_message(b);
+ (void) logind_set_wall_message();
r = sd_bus_call_method(
- b,
+ bus,
"org.freedesktop.login1",
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
}
int main(int argc, char*argv[]) {
- _cleanup_bus_flush_close_unref_ sd_bus *bus = NULL;
int r;
setlocale(LC_ALL, "");
goto finish;
}
- if (!avoid_bus())
- r = bus_connect_transport_systemd(arg_transport, arg_host, arg_scope != UNIT_FILE_SYSTEM, &bus);
-
- if (bus)
- sd_bus_set_allow_interactive_authorization(bus, arg_ask_password);
-
/* systemctl_main() will print an error message for the bus
* connection, but only if it needs to */
switch (arg_action) {
case ACTION_SYSTEMCTL:
- r = systemctl_main(bus, argc, argv, r);
+ r = systemctl_main(argc, argv, r);
break;
case ACTION_HALT:
case ACTION_POWEROFF:
case ACTION_REBOOT:
case ACTION_KEXEC:
- r = halt_main(bus);
+ r = halt_main();
break;
case ACTION_RUNLEVEL2:
case ACTION_RESCUE:
case ACTION_EMERGENCY:
case ACTION_DEFAULT:
- r = start_with_fallback(bus);
+ r = start_with_fallback();
break;
case ACTION_RELOAD:
case ACTION_REEXEC:
- r = reload_with_fallback(bus);
+ r = reload_with_fallback();
break;
case ACTION_CANCEL_SHUTDOWN:
strv_free(arg_wall);
- sd_bus_default_flush_close();
+ release_busses();
return r < 0 ? EXIT_FAILURE : r;
}
projects / thirdparty / systemd.git / commitdiff
