#include "special.h"
#include "initreq.h"
#include "strv.h"
+#include "dbus-common.h"
+#include "cgroup-show.h"
+#include "cgroup-util.h"
+#include "list.h"
static const char *arg_type = NULL;
+static const char *arg_property = NULL;
static bool arg_all = false;
-static bool arg_replace = false;
+static bool arg_fail = false;
static bool arg_session = false;
static bool arg_no_block = false;
static bool arg_immediate = false;
static bool arg_no_wall = false;
static bool arg_dry = false;
static bool arg_quiet = false;
+static char arg_full = false;
static char **arg_wall = NULL;
-enum action {
+static enum action {
ACTION_INVALID,
ACTION_SYSTEMCTL,
ACTION_HALT,
ACTION_RUNLEVEL,
_ACTION_MAX
} arg_action = ACTION_SYSTEMCTL;
+static enum dot {
+ DOT_ALL,
+ DOT_ORDER,
+ DOT_REQUIRE
+} arg_dot = DOT_ALL;
+
+static bool private_bus = false;
+
+static const char *ansi_highlight(bool b) {
+ static int t = -1;
+
+ if (_unlikely_(t < 0))
+ t = isatty(STDOUT_FILENO) > 0;
+
+ if (!t)
+ return "";
+
+ return b ? ANSI_HIGHLIGHT_ON : ANSI_HIGHLIGHT_OFF;
+}
static bool error_is_no_service(DBusError *error) {
return 0;
}
-static int bus_check_peercred(DBusConnection *c) {
- int fd;
- struct ucred ucred;
- socklen_t l;
-
- assert(c);
-
- assert_se(dbus_connection_get_unix_fd(c, &fd));
-
- l = sizeof(struct ucred);
- if (getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &ucred, &l) < 0) {
- log_error("SO_PEERCRED failed: %m");
- return -errno;
- }
-
- if (l != sizeof(struct ucred)) {
- log_error("SO_PEERCRED returned wrong size.");
- return -E2BIG;
- }
-
- if (ucred.uid != 0)
- return -EPERM;
-
- return 1;
-}
-
-static int columns(void) {
- static int parsed_columns = 0;
- const char *e;
-
- if (parsed_columns > 0)
- return parsed_columns;
-
- if ((e = getenv("COLUMNS")))
- parsed_columns = atoi(e);
-
- if (parsed_columns <= 0) {
- struct winsize ws;
- zero(ws);
-
- if (ioctl(STDIN_FILENO, TIOCGWINSZ, &ws) >= 0)
- parsed_columns = ws.ws_col;
- }
-
- if (parsed_columns <= 0)
- parsed_columns = 80;
-
- return parsed_columns;
-
-}
-
static void warn_wall(enum action action) {
static const char *table[_ACTION_MAX] = {
[ACTION_HALT] = "The system is going down for system halt NOW!",
dbus_message_iter_recurse(&iter, &sub);
- printf("%-45s %-6s %-12s %-12s %-15s %s\n", "UNIT", "LOAD", "ACTIVE", "SUB", "JOB", "DESCRIPTION");
+ if (isatty(STDOUT_FILENO))
+ printf("%-45s %-6s %-12s %-12s %-15s %s\n", "UNIT", "LOAD", "ACTIVE", "SUB", "JOB", "DESCRIPTION");
while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
- const char *id, *description, *load_state, *active_state, *sub_state, *unit_state, *job_type, *job_path, *dot;
+ const char *id, *description, *load_state, *active_state, *sub_state, *following, *unit_path, *job_type, *job_path, *dot;
uint32_t job_id;
if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &load_state, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &active_state, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &sub_state, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_state, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &following, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &job_id, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &job_type, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &job_path, false) < 0) {
if ((!arg_type || ((dot = strrchr(id, '.')) &&
streq(dot+1, arg_type))) &&
- (arg_all || !streq(active_state, "inactive"))) {
-
+ (arg_all || !(streq(active_state, "inactive") || following[0]) || job_id > 0)) {
+ char *e;
int a = 0, b = 0;
- printf("%-45s %-6s %-12s %-12s%n", id, load_state, active_state, sub_state, &a);
+ if (streq(active_state, "maintenance"))
+ fputs(ansi_highlight(true), stdout);
+
+ e = arg_full ? NULL : ellipsize(id, 45, 33);
+ printf("%-45s %-6s %-12s %-12s%n", e ? e : id, load_state, active_state, sub_state, &a);
+ free(e);
if (job_id != 0)
- printf(" %-15s%n", job_type, &b);
+ printf(" => %-12s%n", job_type, &b);
else
b = 1 + 15;
if (job_id == 0)
printf(" ");
- printf("%.*s", columns() - a - b - 2, description);
+ printf(" %.*s", columns() - a - b - 2, description);
}
+ if (streq(active_state, "maintenance"))
+ fputs(ansi_highlight(false), stdout);
+
fputs("\n", stdout);
k++;
}
dbus_message_iter_next(&sub);
}
- if (arg_all)
- printf("\n%u units listed.\n", k);
- else
- printf("\n%u live units listed. Pass --all to see dead units, too.\n", k);
+ if (isatty(STDOUT_FILENO)) {
+
+ printf("\nLOAD = Load State, reflects whether the unit configuration was properly loaded.\n"
+ "ACTIVE = Active State, the high-level unit activation state, i.e. generalization of the substate.\n"
+ "SUB = Substate, the low-level unit activation state, possible values depend on unit type.\n"
+ "JOB = Job, shows pending jobs for the unit.\n");
+
+ if (arg_all)
+ printf("\n%u units listed.\n", k);
+ else
+ printf("\n%u units listed. Pass --all to see inactive units, too.\n", k);
+ }
+
+ r = 0;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return r;
+}
+
+static int dot_one_property(const char *name, const char *prop, DBusMessageIter *iter) {
+ static const char * const colors[] = {
+ "Requires", "[color=\"black\"]",
+ "RequiresOverridable", "[color=\"black\"]",
+ "Requisite", "[color=\"darkblue\"]",
+ "RequisiteOverridable", "[color=\"darkblue\"]",
+ "Wants", "[color=\"darkgrey\"]",
+ "Conflicts", "[color=\"red\"]",
+ "After", "[color=\"green\"]"
+ };
+
+ const char *c = NULL;
+ unsigned i;
+
+ assert(name);
+ assert(prop);
+ assert(iter);
+
+ for (i = 0; i < ELEMENTSOF(colors); i += 2)
+ if (streq(colors[i], prop)) {
+ c = colors[i+1];
+ break;
+ }
+
+ if (!c)
+ return 0;
+
+ if (arg_dot != DOT_ALL)
+ if ((arg_dot == DOT_ORDER) != streq(prop, "After"))
+ return 0;
+
+ switch (dbus_message_iter_get_arg_type(iter)) {
+
+ case DBUS_TYPE_ARRAY:
+
+ if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRING) {
+ DBusMessageIter sub;
+
+ dbus_message_iter_recurse(iter, &sub);
+
+ while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+ const char *s;
+
+ assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING);
+ dbus_message_iter_get_basic(&sub, &s);
+ printf("\t\"%s\"->\"%s\" %s;\n", name, s, c);
+
+ dbus_message_iter_next(&sub);
+ }
+
+ return 0;
+ }
+ }
+
+ return 0;
+}
+
+static int dot_one(DBusConnection *bus, const char *name, const char *path) {
+ DBusMessage *m = NULL, *reply = NULL;
+ const char *interface = "org.freedesktop.systemd1.Unit";
+ int r;
+ DBusError error;
+ DBusMessageIter iter, sub, sub2, sub3;
+
+ assert(bus);
+ assert(path);
+
+ dbus_error_init(&error);
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.DBus.Properties",
+ "GetAll"))) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &interface,
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", error.message);
+ r = -EIO;
+ goto finish;
+ }
+
+ if (!dbus_message_iter_init(reply, &iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
+ dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_recurse(&iter, &sub);
+
+ while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+ const char *prop;
+
+ if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_DICT_ENTRY) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_recurse(&sub, &sub2);
+
+ if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &prop, true) < 0) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_recurse(&sub2, &sub3);
+
+ if (dot_one_property(name, prop, &sub3)) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_next(&sub);
+ }
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return r;
+}
+
+static int dot(DBusConnection *bus, char **args, unsigned n) {
+ DBusMessage *m = NULL, *reply = NULL;
+ DBusError error;
+ int r;
+ DBusMessageIter iter, sub, sub2;
+
+ dbus_error_init(&error);
+
+ assert(bus);
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "ListUnits"))) {
+ log_error("Could not allocate message.");
+ return -ENOMEM;
+ }
+
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", error.message);
+ r = -EIO;
+ goto finish;
+ }
+
+ if (!dbus_message_iter_init(reply, &iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
+ dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ printf("digraph systemd {\n");
+
+ dbus_message_iter_recurse(&iter, &sub);
+ while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+ const char *id, *description, *load_state, *active_state, *sub_state, *unit_path;
+
+ if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_recurse(&sub, &sub2);
+
+ if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &id, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &description, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &load_state, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &active_state, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &sub_state, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, true) < 0) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ if ((r = dot_one(bus, id, unit_path)) < 0)
+ goto finish;
+
+ /* printf("\t\"%s\";\n", id); */
+ dbus_message_iter_next(&sub);
+ }
+
+ printf("}\n");
+
+ log_info(" Color legend: black = Requires\n"
+ " dark blue = Requisite\n"
+ " dark grey = Wants\n"
+ " red = Conflicts\n"
+ " green = After\n");
+
+ if (isatty(fileno(stdout)))
+ log_notice("-- You probably want to process this output with graphviz' dot tool.\n"
+ "-- Try a shell pipeline like 'systemctl dot | dot -Tsvg > systemd.svg'!\n");
r = 0;
while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
const char *name, *type, *state, *job_path, *unit_path;
uint32_t id;
+ char *e;
if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
log_error("Failed to parse reply.");
goto finish;
}
- printf("%4u %-45s %-17s %-7s\n", id, name, type, state);
+ e = arg_full ? NULL : ellipsize(name, 45, 33);
+ printf("%4u %-45s %-17s %-7s\n", id, e ? e : name, type, state);
+ free(e);
+
k++;
dbus_message_iter_next(&sub);
return r;
}
-typedef struct WaitData {
- Set *set;
- bool failed;
-} WaitData;
-
-static DBusHandlerResult wait_filter(DBusConnection *connection, DBusMessage *message, void *data) {
- DBusError error;
- WaitData *d = data;
+static bool unit_need_daemon_reload(DBusConnection *bus, const char *unit) {
+ DBusMessage *m, *reply;
+ dbus_bool_t b = FALSE;
+ DBusMessageIter iter, sub;
+ const char
+ *interface = "org.freedesktop.systemd1.Unit",
+ *property = "NeedDaemonReload",
+ *path;
- assert(connection);
- assert(message);
- assert(d);
+ /* We ignore all errors here, since this is used to show a warning only */
- dbus_error_init(&error);
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetUnit")))
+ goto finish;
- /* log_debug("Got D-Bus request: %s.%s() on %s", */
- /* dbus_message_get_interface(message), */
- /* dbus_message_get_member(message), */
- /* dbus_message_get_path(message)); */
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &unit,
+ DBUS_TYPE_INVALID))
+ goto finish;
- if (dbus_message_is_signal(message, DBUS_INTERFACE_LOCAL, "Disconnected")) {
- log_error("Warning! D-Bus connection terminated.");
- dbus_connection_close(connection);
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, NULL)))
+ goto finish;
- } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) {
- uint32_t id;
- const char *path;
- dbus_bool_t success = true;
+ if (!dbus_message_get_args(reply, NULL,
+ DBUS_TYPE_OBJECT_PATH, &path,
+ DBUS_TYPE_INVALID))
+ goto finish;
+
+ dbus_message_unref(m);
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.DBus.Properties",
+ "Get")))
+ goto finish;
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &interface,
+ DBUS_TYPE_STRING, &property,
+ DBUS_TYPE_INVALID)) {
+ goto finish;
+ }
+
+ dbus_message_unref(reply);
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, NULL)))
+ goto finish;
+
+ if (!dbus_message_iter_init(reply, &iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
+ goto finish;
+
+ dbus_message_iter_recurse(&iter, &sub);
+
+ if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_BOOLEAN)
+ goto finish;
+
+ dbus_message_iter_get_basic(&sub, &b);
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ return b;
+}
+
+typedef struct WaitData {
+ Set *set;
+ bool failed;
+} WaitData;
+
+static DBusHandlerResult wait_filter(DBusConnection *connection, DBusMessage *message, void *data) {
+ DBusError error;
+ WaitData *d = data;
+
+ assert(connection);
+ assert(message);
+ assert(d);
+
+ dbus_error_init(&error);
+
+ log_debug("Got D-Bus request: %s.%s() on %s",
+ dbus_message_get_interface(message),
+ dbus_message_get_member(message),
+ dbus_message_get_path(message));
+
+ if (dbus_message_is_signal(message, DBUS_INTERFACE_LOCAL, "Disconnected")) {
+ log_error("Warning! D-Bus connection terminated.");
+ dbus_connection_close(connection);
+
+ } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) {
+ uint32_t id;
+ const char *path;
+ dbus_bool_t success = true;
if (!dbus_message_get_args(message, &error,
DBUS_TYPE_UINT32, &id,
static int enable_wait_for_jobs(DBusConnection *bus) {
DBusError error;
- DBusMessage *m = NULL, *reply = NULL;
- int r;
assert(bus);
- dbus_error_init(&error);
+ if (private_bus)
+ return 0;
+ dbus_error_init(&error);
dbus_bus_add_match(bus,
"type='signal',"
"sender='org.freedesktop.systemd1',"
if (dbus_error_is_set(&error)) {
log_error("Failed to add match: %s", error.message);
- r = -EIO;
- goto finish;
- }
-
- if (!(m = dbus_message_new_method_call(
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "Subscribe"))) {
- log_error("Could not allocate message.");
- r = -ENOMEM;
- goto finish;
- }
-
- if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
- log_error("Failed to issue method call: %s", error.message);
- r = -EIO;
- goto finish;
+ dbus_error_free(&error);
+ return -EIO;
}
- r = 0;
-
-finish:
/* This is slightly dirty, since we don't undo the match registrations. */
-
- if (m)
- dbus_message_unref(m);
-
- if (reply)
- dbus_message_unref(reply);
-
- dbus_error_free(&error);
-
- return r;
+ return 0;
}
static int wait_for_jobs(DBusConnection *bus, Set *s) {
DBusMessage *m = NULL, *reply = NULL;
DBusError error;
+ const char *path;
int r;
assert(bus);
goto finish;
}
+ if (!dbus_message_get_args(reply, &error,
+ DBUS_TYPE_OBJECT_PATH, &path,
+ DBUS_TYPE_INVALID)) {
+ log_error("Failed to parse reply: %s", error.message);
+ r = -EIO;
+ goto finish;
+ }
+
+ if (unit_need_daemon_reload(bus, name))
+ log_warning("Unit file of created job changed on disk, 'systemctl %s daemon-reload' recommended.",
+ arg_session ? "--session" : "--system");
+
if (!arg_no_block) {
- const char *path;
char *p;
- if (!dbus_message_get_args(reply, &error,
- DBUS_TYPE_OBJECT_PATH, &path,
- DBUS_TYPE_INVALID)) {
- log_error("Failed to parse reply: %s", error.message);
- r = -EIO;
- goto finish;
- }
-
if (!(p = strdup(path))) {
log_error("Failed to duplicate path.");
r = -ENOMEM;
[ACTION_RUNLEVEL4] = SPECIAL_RUNLEVEL4_TARGET,
[ACTION_RUNLEVEL5] = SPECIAL_RUNLEVEL5_TARGET,
[ACTION_RESCUE] = SPECIAL_RESCUE_TARGET,
- [ACTION_EMERGENCY] = SPECIAL_EMERGENCY_SERVICE,
+ [ACTION_EMERGENCY] = SPECIAL_EMERGENCY_TARGET,
[ACTION_DEFAULT] = SPECIAL_DEFAULT_TARGET
};
if (arg_action == ACTION_SYSTEMCTL) {
method =
- streq(args[0], "stop") ? "StopUnit" :
- streq(args[0], "reload") ? "ReloadUnit" :
- streq(args[0], "restart") ? "RestartUnit" :
- "StartUnit";
+ streq(args[0], "stop") ? "StopUnit" :
+ streq(args[0], "reload") ? "ReloadUnit" :
+ streq(args[0], "restart") ? "RestartUnit" :
+ streq(args[0], "try-restart") ? "TryRestartUnit" :
+ streq(args[0], "reload-or-restart") ? "ReloadOrRestartUnit" :
+ streq(args[0], "reload-or-try-restart") ? "ReloadOrTryRestartUnit" :
+ "StartUnit";
mode =
(streq(args[0], "isolate") ||
streq(args[0], "rescue") ||
streq(args[0], "emergency")) ? "isolate" :
- arg_replace ? "replace" :
- "fail";
+ arg_fail ? "fail" :
+ "replace";
one_name = table[verb_to_action(args[0])];
}
static int start_special(DBusConnection *bus, char **args, unsigned n) {
+ int r;
+
assert(bus);
assert(args);
- warn_wall(verb_to_action(args[0]));
+ r = start_unit(bus, args, n);
+
+ if (r >= 0)
+ warn_wall(verb_to_action(args[0]));
- return start_unit(bus, args, n);
+ return r;
}
static int check_unit(DBusConnection *bus, char **args, unsigned n) {
if (!arg_quiet)
puts("unknown");
+ dbus_error_free(&error);
continue;
}
goto finish;
}
- if (!dbus_message_append_args(m,
- DBUS_TYPE_STRING, &interface,
- DBUS_TYPE_STRING, &property,
- DBUS_TYPE_INVALID)) {
- log_error("Could not append arguments to message.");
- r = -ENOMEM;
- goto finish;
- }
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &interface,
+ DBUS_TYPE_STRING, &property,
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ dbus_message_unref(reply);
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", error.message);
+ r = -EIO;
+ goto finish;
+ }
+
+ if (!dbus_message_iter_init(reply, &iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_recurse(&iter, &sub);
+
+ if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_get_basic(&sub, &state);
+
+ if (!arg_quiet)
+ puts(state);
+
+ if (streq(state, "active") || startswith(state, "reloading"))
+ r = 0;
+
+ dbus_message_unref(m);
+ dbus_message_unref(reply);
+ m = reply = NULL;
+ }
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return r;
+}
+
+typedef struct ExecStatusInfo {
+ char *path;
+ char **argv;
+
+ bool ignore;
+
+ usec_t start_timestamp;
+ usec_t exit_timestamp;
+ pid_t pid;
+ int code;
+ int status;
+
+ LIST_FIELDS(struct ExecStatusInfo, exec);
+} ExecStatusInfo;
+
+static void exec_status_info_free(ExecStatusInfo *i) {
+ assert(i);
+
+ free(i->path);
+ strv_free(i->argv);
+ free(i);
+}
+
+static int exec_status_info_deserialize(DBusMessageIter *sub, ExecStatusInfo *i) {
+ uint64_t start_timestamp, exit_timestamp;
+ DBusMessageIter sub2, sub3;
+ const char*path;
+ unsigned n;
+ uint32_t pid;
+ int32_t code, status;
+ dbus_bool_t ignore;
+
+ assert(i);
+ assert(i);
+
+ if (dbus_message_iter_get_arg_type(sub) != DBUS_TYPE_STRUCT)
+ return -EIO;
+
+ dbus_message_iter_recurse(sub, &sub2);
+
+ if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) < 0)
+ return -EIO;
+
+ if (!(i->path = strdup(path)))
+ return -ENOMEM;
+
+ if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_ARRAY ||
+ dbus_message_iter_get_element_type(&sub2) != DBUS_TYPE_STRING)
+ return -EIO;
+
+ n = 0;
+ dbus_message_iter_recurse(&sub2, &sub3);
+ while (dbus_message_iter_get_arg_type(&sub3) != DBUS_TYPE_INVALID) {
+ assert(dbus_message_iter_get_arg_type(&sub3) == DBUS_TYPE_STRING);
+ dbus_message_iter_next(&sub3);
+ n++;
+ }
+
+
+ if (!(i->argv = new0(char*, n+1)))
+ return -ENOMEM;
+
+ n = 0;
+ dbus_message_iter_recurse(&sub2, &sub3);
+ while (dbus_message_iter_get_arg_type(&sub3) != DBUS_TYPE_INVALID) {
+ const char *s;
+
+ assert(dbus_message_iter_get_arg_type(&sub3) == DBUS_TYPE_STRING);
+ dbus_message_iter_get_basic(&sub3, &s);
+ dbus_message_iter_next(&sub3);
+
+ if (!(i->argv[n++] = strdup(s)))
+ return -ENOMEM;
+ }
+
+ if (!dbus_message_iter_next(&sub2) ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_BOOLEAN, &ignore, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &start_timestamp, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &exit_timestamp, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &pid, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &code, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &status, false) < 0)
+ return -EIO;
+
+ i->ignore = ignore;
+ i->start_timestamp = (usec_t) start_timestamp;
+ i->exit_timestamp = (usec_t) exit_timestamp;
+ i->pid = (pid_t) pid;
+ i->code = code;
+ i->status = status;
+
+ return 0;
+}
+
+typedef struct UnitStatusInfo {
+ const char *id;
+ const char *load_state;
+ const char *active_state;
+ const char *sub_state;
+
+ const char *description;
+
+ const char *fragment_path;
+ const char *default_control_group;
+
+ bool need_daemon_reload;
+
+ /* Service */
+ pid_t main_pid;
+ pid_t control_pid;
+ const char *status_text;
+ bool running;
+
+ usec_t start_timestamp;
+ usec_t exit_timestamp;
+
+ int exit_code, exit_status;
+
+ /* Socket */
+ unsigned n_accepted;
+ unsigned n_connections;
+ bool accept;
+
+ /* Device */
+ const char *sysfs_path;
+
+ /* Mount, Automount */
+ const char *where;
+
+ /* Swap */
+ const char *what;
+
+ LIST_HEAD(ExecStatusInfo, exec);
+} UnitStatusInfo;
+
+static void print_status_info(UnitStatusInfo *i) {
+ ExecStatusInfo *p;
+
+ assert(i);
+
+ /* This shows pretty information about a unit. See
+ * print_property() for a low-level property printer */
+
+ printf("%s", strna(i->id));
+
+ if (i->description && !streq_ptr(i->id, i->description))
+ printf(" - %s", i->description);
+
+ printf("\n");
+
+ if (i->fragment_path)
+ printf("\t Loaded: %s (%s)\n", strna(i->load_state), i->fragment_path);
+ else if (streq_ptr(i->load_state, "failed"))
+ printf("\t Loaded: %s%s%s\n",
+ ansi_highlight(true),
+ strna(i->load_state),
+ ansi_highlight(false));
+ else
+ printf("\t Loaded: %s\n", strna(i->load_state));
+
+ if (streq_ptr(i->active_state, "maintenance")) {
+ if (streq_ptr(i->active_state, i->sub_state))
+ printf("\t Active: %s%s%s\n",
+ ansi_highlight(true),
+ strna(i->active_state),
+ ansi_highlight(false));
+ else
+ printf("\t Active: %s%s (%s)%s\n",
+ ansi_highlight(true),
+ strna(i->active_state),
+ strna(i->sub_state),
+ ansi_highlight(false));
+ } else {
+ if (streq_ptr(i->active_state, i->sub_state))
+ printf("\t Active: %s\n",
+ strna(i->active_state));
+ else
+ printf("\t Active: %s (%s)\n",
+ strna(i->active_state),
+ strna(i->sub_state));
+ }
+
+ if (i->sysfs_path)
+ printf("\t Device: %s\n", i->sysfs_path);
+ else if (i->where)
+ printf("\t Where: %s\n", i->where);
+ else if (i->what)
+ printf("\t What: %s\n", i->what);
+
+ if (i->accept)
+ printf("\tAccepted: %u; Connected: %u\n", i->n_accepted, i->n_connections);
+
+ LIST_FOREACH(exec, p, i->exec) {
+ char *t;
+
+ /* Only show exited processes here */
+ if (p->code == 0)
+ continue;
+
+ t = strv_join(p->argv, " ");
+ printf("\t Exited: %u (%s, code=%s, ", p->pid, strna(t), sigchld_code_to_string(p->code));
+ free(t);
+
+ if (p->code == CLD_EXITED)
+ printf("status=%i", p->status);
+ else
+ printf("signal=%s", signal_to_string(p->status));
+ printf(")\n");
+
+ if (i->main_pid == p->pid &&
+ i->start_timestamp == p->start_timestamp &&
+ i->exit_timestamp == p->start_timestamp)
+ /* Let's not show this twice */
+ i->main_pid = 0;
+
+ if (p->pid == i->control_pid)
+ i->control_pid = 0;
+ }
+
+ if (i->main_pid > 0 || i->control_pid > 0) {
+ printf("\t");
+
+ if (i->main_pid > 0) {
+ printf(" Main: %u", (unsigned) i->main_pid);
+
+ if (i->running) {
+ char *t = NULL;
+ get_process_name(i->main_pid, &t);
+ if (t) {
+ printf(" (%s)", t);
+ free(t);
+ }
+ } else {
+ printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
+
+ if (i->exit_code == CLD_EXITED)
+ printf("status=%i", i->exit_status);
+ else
+ printf("signal=%s", signal_to_string(i->exit_status));
+ printf(")"); }
+ }
+
+ if (i->main_pid > 0 && i->control_pid > 0)
+ printf(";");
+
+ if (i->control_pid > 0) {
+ char *t = NULL;
+
+ printf(" Control: %u", (unsigned) i->control_pid);
+
+ get_process_name(i->control_pid, &t);
+ if (t) {
+ printf(" (%s)", t);
+ free(t);
+ }
+ }
+
+ printf("\n");
+ }
+
+ if (i->status_text)
+ printf("\t Status: \"%s\"\n", i->status_text);
+
+ if (i->default_control_group) {
+ unsigned c;
+
+ printf("\t CGroup: %s\n", i->default_control_group);
+
+ if ((c = columns()) > 18)
+ c -= 18;
+ else
+ c = 0;
+
+ show_cgroup_by_path(i->default_control_group, "\t\t ", c);
+ }
+
+ if (i->need_daemon_reload)
+ printf("\n%sWarning:%s Unit file changed on disk, 'systemctl %s daemon-reload' recommended.\n",
+ ansi_highlight(true),
+ ansi_highlight(false),
+ arg_session ? "--session" : "--system");
+}
+
+static int status_property(const char *name, DBusMessageIter *iter, UnitStatusInfo *i) {
+
+ switch (dbus_message_iter_get_arg_type(iter)) {
+
+ case DBUS_TYPE_STRING: {
+ const char *s;
+
+ dbus_message_iter_get_basic(iter, &s);
+
+ if (s[0]) {
+ if (streq(name, "Id"))
+ i->id = s;
+ else if (streq(name, "LoadState"))
+ i->load_state = s;
+ else if (streq(name, "ActiveState"))
+ i->active_state = s;
+ else if (streq(name, "SubState"))
+ i->sub_state = s;
+ else if (streq(name, "Description"))
+ i->description = s;
+ else if (streq(name, "FragmentPath"))
+ i->fragment_path = s;
+ else if (streq(name, "DefaultControlGroup"))
+ i->default_control_group = s;
+ else if (streq(name, "StatusText"))
+ i->status_text = s;
+ else if (streq(name, "SysFSPath"))
+ i->sysfs_path = s;
+ else if (streq(name, "Where"))
+ i->where = s;
+ else if (streq(name, "What"))
+ i->what = s;
+ }
+
+ break;
+ }
+
+ case DBUS_TYPE_BOOLEAN: {
+ dbus_bool_t b;
+
+ dbus_message_iter_get_basic(iter, &b);
+
+ if (streq(name, "Accept"))
+ i->accept = b;
+ else if (streq(name, "NeedDaemonReload"))
+ i->need_daemon_reload = b;
+
+ break;
+ }
+
+ case DBUS_TYPE_UINT32: {
+ uint32_t u;
+
+ dbus_message_iter_get_basic(iter, &u);
+
+ if (streq(name, "MainPID")) {
+ if (u > 0) {
+ i->main_pid = (pid_t) u;
+ i->running = true;
+ }
+ } else if (streq(name, "ControlPID"))
+ i->control_pid = (pid_t) u;
+ else if (streq(name, "ExecMainPID")) {
+ if (u > 0)
+ i->main_pid = (pid_t) u;
+ } else if (streq(name, "NAccepted"))
+ i->n_accepted = u;
+ else if (streq(name, "NConnections"))
+ i->n_connections = u;
+
+ break;
+ }
+
+ case DBUS_TYPE_INT32: {
+ int32_t j;
+
+ dbus_message_iter_get_basic(iter, &j);
+
+ if (streq(name, "ExecMainCode"))
+ i->exit_code = (int) j;
+ else if (streq(name, "ExecMainStatus"))
+ i->exit_status = (int) j;
+
+ break;
+ }
+
+ case DBUS_TYPE_UINT64: {
+ uint64_t u;
+
+ dbus_message_iter_get_basic(iter, &u);
+
+ if (streq(name, "ExecMainStartTimestamp"))
+ i->start_timestamp = (usec_t) u;
+ else if (streq(name, "ExecMainExitTimestamp"))
+ i->exit_timestamp = (usec_t) u;
+
+ break;
+ }
+
+ case DBUS_TYPE_ARRAY: {
+
+ if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT &&
+ startswith(name, "Exec")) {
+ DBusMessageIter sub;
+
+ dbus_message_iter_recurse(iter, &sub);
+ while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
+ ExecStatusInfo *info;
+ int r;
+
+ if (!(info = new0(ExecStatusInfo, 1)))
+ return -ENOMEM;
+
+ if ((r = exec_status_info_deserialize(&sub, info)) < 0) {
+ free(info);
+ return r;
+ }
+
+ LIST_PREPEND(ExecStatusInfo, exec, i->exec, info);
+
+ dbus_message_iter_next(&sub);
+ }
+ }
+
+ break;
+ }
+ }
+
+ return 0;
+}
+
+static int print_property(const char *name, DBusMessageIter *iter) {
+ assert(name);
+ assert(iter);
+
+ /* This is a low-level property printer, see
+ * print_status_info() for the nicer output */
+
+ if (arg_property && !streq(name, arg_property))
+ return 0;
+
+ switch (dbus_message_iter_get_arg_type(iter)) {
+
+ case DBUS_TYPE_STRING: {
+ const char *s;
+ dbus_message_iter_get_basic(iter, &s);
+
+ if (arg_all || s[0])
+ printf("%s=%s\n", name, s);
+
+ return 0;
+ }
+
+ case DBUS_TYPE_BOOLEAN: {
+ dbus_bool_t b;
+ dbus_message_iter_get_basic(iter, &b);
+ printf("%s=%s\n", name, yes_no(b));
+
+ return 0;
+ }
+
+ case DBUS_TYPE_UINT64: {
+ uint64_t u;
+ dbus_message_iter_get_basic(iter, &u);
+
+ /* Yes, heuristics! But we can change this check
+ * should it turn out to not be sufficient */
+
+ if (strstr(name, "Timestamp")) {
+ char timestamp[FORMAT_TIMESTAMP_MAX], *t;
+
+ if ((t = format_timestamp(timestamp, sizeof(timestamp), u)) || arg_all)
+ printf("%s=%s\n", name, strempty(t));
+ } else if (strstr(name, "USec")) {
+ char timespan[FORMAT_TIMESPAN_MAX];
+
+ printf("%s=%s\n", name, format_timespan(timespan, sizeof(timespan), u));
+ } else
+ printf("%s=%llu\n", name, (unsigned long long) u);
+
+ return 0;
+ }
+
+ case DBUS_TYPE_UINT32: {
+ uint32_t u;
+ dbus_message_iter_get_basic(iter, &u);
+
+ if (strstr(name, "UMask") || strstr(name, "Mode"))
+ printf("%s=%04o\n", name, u);
+ else
+ printf("%s=%u\n", name, (unsigned) u);
+
+ return 0;
+ }
+
+ case DBUS_TYPE_INT32: {
+ int32_t i;
+ dbus_message_iter_get_basic(iter, &i);
+
+ printf("%s=%i\n", name, (int) i);
+ return 0;
+ }
+
+ case DBUS_TYPE_STRUCT: {
+ DBusMessageIter sub;
+ dbus_message_iter_recurse(iter, &sub);
+
+ if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_UINT32 && streq(name, "Job")) {
+ uint32_t u;
+
+ dbus_message_iter_get_basic(&sub, &u);
+
+ if (u)
+ printf("%s=%u\n", name, (unsigned) u);
+ else if (arg_all)
+ printf("%s=\n", name);
+
+ return 0;
+ } else if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING && streq(name, "Unit")) {
+ const char *s;
+
+ dbus_message_iter_get_basic(&sub, &s);
+
+ if (arg_all || s[0])
+ printf("%s=%s\n", name, s);
+
+ return 0;
+ }
+
+ break;
+ }
+
+ case DBUS_TYPE_ARRAY:
+
+ if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRING) {
+ DBusMessageIter sub;
+ bool space = false;
+
+ dbus_message_iter_recurse(iter, &sub);
+ if (arg_all ||
+ dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+ printf("%s=", name);
+
+ while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+ const char *s;
+
+ assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING);
+ dbus_message_iter_get_basic(&sub, &s);
+ printf("%s%s", space ? " " : "", s);
+
+ space = true;
+ dbus_message_iter_next(&sub);
+ }
+
+ puts("");
+ }
+
+ return 0;
+
+ } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_BYTE) {
+ DBusMessageIter sub;
+
+ dbus_message_iter_recurse(iter, &sub);
+ if (arg_all ||
+ dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+ printf("%s=", name);
+
+ while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+ uint8_t u;
+
+ assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_BYTE);
+ dbus_message_iter_get_basic(&sub, &u);
+ printf("%02x", u);
+
+ dbus_message_iter_next(&sub);
+ }
+
+ puts("");
+ }
+
+ return 0;
+
+ } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Paths")) {
+ DBusMessageIter sub, sub2;
+
+ dbus_message_iter_recurse(iter, &sub);
+ while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
+ const char *type, *path;
+
+ dbus_message_iter_recurse(&sub, &sub2);
+
+ if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) >= 0 &&
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, false) >= 0)
+ printf("%s=%s\n", type, path);
+
+ dbus_message_iter_next(&sub);
+ }
+
+ return 0;
+
+ } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Timers")) {
+ DBusMessageIter sub, sub2;
+
+ dbus_message_iter_recurse(iter, &sub);
+ while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
+ const char *base;
+ uint64_t value, next_elapse;
+
+ dbus_message_iter_recurse(&sub, &sub2);
+
+ if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &base, true) >= 0 &&
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &value, true) >= 0 &&
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &next_elapse, false) >= 0) {
+ char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX];
+
+ printf("%s={ value=%s ; next_elapse=%s }\n",
+ base,
+ format_timespan(timespan1, sizeof(timespan1), value),
+ format_timespan(timespan2, sizeof(timespan2), next_elapse));
+ }
+
+ dbus_message_iter_next(&sub);
+ }
+
+ return 0;
+
+ } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && startswith(name, "Exec")) {
+ DBusMessageIter sub;
+
+ dbus_message_iter_recurse(iter, &sub);
+ while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
+ ExecStatusInfo info;
+
+ zero(info);
+ if (exec_status_info_deserialize(&sub, &info) >= 0) {
+ char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
+ char *t;
+
+ t = strv_join(info.argv, " ");
+
+ printf("%s={ path=%s ; argv[]=%s ; ignore=%s ; start_time=[%s] ; stop_time=[%s] ; pid=%u ; code=%s ; status=%i%s%s }\n",
+ name,
+ strna(info.path),
+ strna(t),
+ yes_no(info.ignore),
+ strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
+ strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
+ (unsigned) info. pid,
+ sigchld_code_to_string(info.code),
+ info.status,
+ info.code == CLD_EXITED ? "" : "/",
+ strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
+
+ free(t);
+ }
+
+ free(info.path);
+ strv_free(info.argv);
+
+ dbus_message_iter_next(&sub);
+ }
+
+ return 0;
+ }
+
+ break;
+ }
+
+ if (arg_all)
+ printf("%s=[unprintable]\n", name);
+
+ return 0;
+}
+
+static int show_one(DBusConnection *bus, const char *path, bool show_properties, bool *new_line) {
+ DBusMessage *m = NULL, *reply = NULL;
+ const char *interface = "";
+ int r;
+ DBusError error;
+ DBusMessageIter iter, sub, sub2, sub3;
+ UnitStatusInfo info;
+ ExecStatusInfo *p;
+
+ assert(bus);
+ assert(path);
+ assert(new_line);
+
+ zero(info);
+ dbus_error_init(&error);
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.DBus.Properties",
+ "GetAll"))) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &interface,
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", error.message);
+ r = -EIO;
+ goto finish;
+ }
+
+ if (!dbus_message_iter_init(reply, &iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
+ dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_recurse(&iter, &sub);
+
+ if (*new_line)
+ printf("\n");
+
+ *new_line = true;
+
+ while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+ const char *name;
+
+ if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_DICT_ENTRY) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_recurse(&sub, &sub2);
+
+ if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_recurse(&sub2, &sub3);
+
+ if (show_properties)
+ r = print_property(name, &sub3);
+ else
+ r = status_property(name, &sub3, &info);
+
+ if (r < 0) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_next(&sub);
+ }
+
+ if (!show_properties)
+ print_status_info(&info);
+
+ while ((p = info.exec)) {
+ LIST_REMOVE(ExecStatusInfo, exec, info.exec, p);
+ exec_status_info_free(p);
+ }
+
+ r = 0;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return r;
+}
+
+static int show(DBusConnection *bus, char **args, unsigned n) {
+ DBusMessage *m = NULL, *reply = NULL;
+ int r;
+ DBusError error;
+ unsigned i;
+ bool show_properties, new_line = false;
+
+ assert(bus);
+ assert(args);
+
+ dbus_error_init(&error);
+
+ show_properties = !streq(args[0], "status");
+
+ if (show_properties && n <= 1) {
+ /* If not argument is specified inspect the manager
+ * itself */
+
+ r = show_one(bus, "/org/freedesktop/systemd1", show_properties, &new_line);
+ goto finish;
+ }
+
+ for (i = 1; i < n; i++) {
+ const char *path = NULL;
+ uint32_t id;
+
+ if (!show_properties || safe_atou32(args[i], &id) < 0) {
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "LoadUnit"))) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &args[i],
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+
+ if (!dbus_error_has_name(&error, DBUS_ERROR_ACCESS_DENIED)) {
+ log_error("Failed to issue method call: %s", error.message);
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_error_free(&error);
+
+ dbus_message_unref(m);
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetUnit"))) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &args[i],
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", error.message);
+ r = -EIO;
+ goto finish;
+ }
+ }
- dbus_message_unref(reply);
- if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
- log_error("Failed to issue method call: %s", error.message);
- r = -EIO;
- goto finish;
- }
+ } else {
- if (!dbus_message_iter_init(reply, &iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
- log_error("Failed to parse reply.");
- r = -EIO;
- goto finish;
- }
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetJob"))) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
- dbus_message_iter_recurse(&iter, &sub);
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_UINT32, &id,
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
- if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
- log_error("Failed to parse reply.");
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", error.message);
+ r = -EIO;
+ goto finish;
+ }
+ }
+
+ if (!dbus_message_get_args(reply, &error,
+ DBUS_TYPE_OBJECT_PATH, &path,
+ DBUS_TYPE_INVALID)) {
+ log_error("Failed to parse reply: %s", error.message);
r = -EIO;
goto finish;
}
- dbus_message_iter_get_basic(&sub, &state);
-
- if (!arg_quiet)
- puts(state);
-
- if (streq(state, "active") || startswith(state, "active-"))
- r = 0;
+ if ((r = show_one(bus, path, show_properties, &new_line)) < 0)
+ goto finish;
dbus_message_unref(m);
dbus_message_unref(reply);
m = reply = NULL;
}
+ r = 0;
+
finish:
if (m)
dbus_message_unref(m);
dbus_error_free(&error);
return r;
-
}
static DBusHandlerResult monitor_filter(DBusConnection *connection, DBusMessage *message, void *data) {
dbus_error_init(&error);
- /* log_debug("Got D-Bus request: %s.%s() on %s", */
- /* dbus_message_get_interface(message), */
- /* dbus_message_get_member(message), */
- /* dbus_message_get_path(message)); */
+ log_debug("Got D-Bus request: %s.%s() on %s",
+ dbus_message_get_interface(message),
+ dbus_message_get_member(message),
+ dbus_message_get_path(message));
if (dbus_message_is_signal(message, DBUS_INTERFACE_LOCAL, "Disconnected")) {
log_error("Warning! D-Bus connection terminated.");
dbus_error_init(&error);
- dbus_bus_add_match(bus,
- "type='signal',"
- "sender='org.freedesktop.systemd1',"
- "interface='org.freedesktop.systemd1.Manager',"
- "path='/org/freedesktop/systemd1'",
- &error);
+ if (!private_bus) {
+ dbus_bus_add_match(bus,
+ "type='signal',"
+ "sender='org.freedesktop.systemd1',"
+ "interface='org.freedesktop.systemd1.Manager',"
+ "path='/org/freedesktop/systemd1'",
+ &error);
- if (dbus_error_is_set(&error)) {
- log_error("Failed to add match: %s", error.message);
- r = -EIO;
- goto finish;
- }
+ if (dbus_error_is_set(&error)) {
+ log_error("Failed to add match: %s", error.message);
+ r = -EIO;
+ goto finish;
+ }
- dbus_bus_add_match(bus,
- "type='signal',"
- "sender='org.freedesktop.systemd1',"
- "interface='org.freedesktop.systemd1.Unit',"
- "member='Changed'",
- &error);
+ dbus_bus_add_match(bus,
+ "type='signal',"
+ "sender='org.freedesktop.systemd1',"
+ "interface='org.freedesktop.systemd1.Unit',"
+ "member='Changed'",
+ &error);
- if (dbus_error_is_set(&error)) {
- log_error("Failed to add match: %s", error.message);
- r = -EIO;
- goto finish;
- }
+ if (dbus_error_is_set(&error)) {
+ log_error("Failed to add match: %s", error.message);
+ r = -EIO;
+ goto finish;
+ }
- dbus_bus_add_match(bus,
- "type='signal',"
- "sender='org.freedesktop.systemd1',"
- "interface='org.freedesktop.systemd1.Job',"
- "member='Changed'",
- &error);
+ dbus_bus_add_match(bus,
+ "type='signal',"
+ "sender='org.freedesktop.systemd1',"
+ "interface='org.freedesktop.systemd1.Job',"
+ "member='Changed'",
+ &error);
- if (dbus_error_is_set(&error)) {
- log_error("Failed to add match: %s", error.message);
- r = -EIO;
- goto finish;
+ if (dbus_error_is_set(&error)) {
+ log_error("Failed to add match: %s", error.message);
+ r = -EIO;
+ goto finish;
+ }
}
if (!dbus_connection_add_filter(bus, monitor_filter, NULL, NULL)) {
return r;
}
+static int delete_snapshot(DBusConnection *bus, char **args, unsigned n) {
+ DBusMessage *m = NULL, *reply = NULL;
+ int r;
+ DBusError error;
+ unsigned i;
+
+ assert(bus);
+ assert(args);
+
+ dbus_error_init(&error);
+
+ for (i = 1; i < n; i++) {
+ const char *path = NULL;
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetUnit"))) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &args[i],
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", error.message);
+ r = -EIO;
+ goto finish;
+ }
+
+ if (!dbus_message_get_args(reply, &error,
+ DBUS_TYPE_OBJECT_PATH, &path,
+ DBUS_TYPE_INVALID)) {
+ log_error("Failed to parse reply: %s", error.message);
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_unref(m);
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.systemd1.Snapshot",
+ "Remove"))) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ dbus_message_unref(reply);
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", error.message);
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_unref(m);
+ dbus_message_unref(reply);
+ m = reply = NULL;
+ }
+
+ r = 0;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return r;
+}
+
static int clear_jobs(DBusConnection *bus, char **args, unsigned n) {
DBusMessage *m = NULL, *reply = NULL;
DBusError error;
assert(arg_action == ACTION_SYSTEMCTL);
method =
- streq(args[0], "clear-jobs") ? "ClearJobs" :
- streq(args[0], "daemon-reload") ? "Reload" :
- streq(args[0], "daemon-reexec") ? "Reexecute" :
- "Exit";
+ streq(args[0], "clear-jobs") ? "ClearJobs" :
+ streq(args[0], "daemon-reload") ? "Reload" :
+ streq(args[0], "daemon-reexec") ? "Reexecute" :
+ streq(args[0], "reset-maintenance") ? "ResetMaintenance" :
+ "Exit";
}
if (!(m = dbus_message_new_method_call(
return r;
}
+static int reset_maintenance(DBusConnection *bus, char **args, unsigned n) {
+ DBusMessage *m = NULL, *reply = NULL;
+ unsigned i;
+ int r;
+ DBusError error;
+
+ assert(bus);
+ dbus_error_init(&error);
+
+ if (n <= 1)
+ return clear_jobs(bus, args, n);
+
+ for (i = 1; i < n; i++) {
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "ResetMaintenanceUnit"))) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, args + i,
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", error.message);
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_unref(m);
+ dbus_message_unref(reply);
+ m = reply = NULL;
+ }
+
+ r = 0;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return r;
+}
+
static int show_enviroment(DBusConnection *bus, char **args, unsigned n) {
DBusMessage *m = NULL, *reply = NULL;
DBusError error;
static int systemctl_help(void) {
printf("%s [OPTIONS...] {COMMAND} ...\n\n"
- "Send control commands to the systemd manager.\n\n"
- " -h --help Show this help\n"
- " -t --type=TYPE List only units of a particular type\n"
- " -a --all Show all units, including dead ones\n"
- " --replace When installing a new job, replace existing conflicting ones\n"
- " --system Connect to system bus\n"
- " --session Connect to session bus\n"
- " -q --quiet Suppress output\n"
- " --no-block Do not wait until operation finished\n"
- " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
+ "Send control commands to or query the systemd manager.\n\n"
+ " -h --help Show this help\n"
+ " -t --type=TYPE List only units of a particular type\n"
+ " -p --property=NAME Show only properties by this name\n"
+ " -a --all Show all units/properties, including dead/empty ones\n"
+ " --full Don't ellipsize unit names.\n"
+ " --fail When installing a new job, fail if conflicting jobs are\n"
+ " pending\n"
+ " --system Connect to system bus\n"
+ " --session Connect to session bus\n"
+ " --order When generating graph for dot, show only order\n"
+ " --require When generating graph for dot, show only requirement\n"
+ " -q --quiet Suppress output\n"
+ " --no-block Do not wait until operation finished\n"
+ " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
"Commands:\n"
" list-units List units\n"
- " list-jobs List jobs\n"
- " clear-jobs Cancel all jobs\n"
- " load [NAME...] Load one or more units\n"
- " cancel [JOB...] Cancel one or more jobs\n"
" start [NAME...] Start one or more units\n"
" stop [NAME...] Stop one or more units\n"
- " restart [NAME...] Restart one or more units\n"
" reload [NAME...] Reload one or more units\n"
+ " restart [NAME...] Start or restart one or more units\n"
+ " try-restart [NAME...] Restart one or more units if active\n"
+ " reload-or-restart [NAME...] Reload one or more units is possible,\n"
+ " otherwise start or restart\n"
+ " reload-or-try-restart [NAME...] Reload one or more units is possible,\n"
+ " otherwise restart if active\n"
" isolate [NAME] Start one unit and stop all others\n"
- " check [NAME...] Check whether any of the passed units are active\n"
+ " check [NAME...] Check whether units are active\n"
+ " status [NAME...] Show status of one or more units\n"
+ " show [NAME...|JOB...] Show properties of one or more\n"
+ " units/jobs/manager\n"
+ " reset-maintenance [NAME...] Reset maintenance state for all, one\n"
+ " or more units\n"
+ " load [NAME...] Load one or more units\n"
+ " list-jobs List jobs\n"
+ " cancel [JOB...] Cancel one or more jobs\n"
+ " clear-jobs Cancel all jobs\n"
" monitor Monitor unit/job changes\n"
" dump Dump server status\n"
+ " dot Dump dependency graph for dot(1)\n"
" snapshot [NAME] Create a snapshot\n"
+ " delete [NAME...] Remove one or more snapshots\n"
" daemon-reload Reload systemd manager configuration\n"
" daemon-reexec Reexecute systemd manager\n"
" daemon-exit Ask the systemd manager to quit\n"
" halt Shut down and halt the system\n"
" poweroff Shut down and power-off the system\n"
" reboot Shut down and reboot the system\n"
- " default Enter default mode\n"
- " rescue Enter rescue mode\n"
- " emergency Enter emergency mode\n",
+ " rescue Enter system rescue mode\n"
+ " emergency Enter system emergency mode\n"
+ " default Enter system default mode\n",
program_invocation_short_name);
return 0;
static int systemctl_parse_argv(int argc, char *argv[]) {
enum {
- ARG_REPLACE = 0x100,
+ ARG_FAIL = 0x100,
ARG_SESSION,
ARG_SYSTEM,
ARG_NO_BLOCK,
- ARG_NO_WALL
+ ARG_NO_WALL,
+ ARG_ORDER,
+ ARG_REQUIRE,
+ ARG_FULL
};
static const struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "type", required_argument, NULL, 't' },
+ { "property", required_argument, NULL, 'p' },
{ "all", no_argument, NULL, 'a' },
- { "replace", no_argument, NULL, ARG_REPLACE },
+ { "full", no_argument, NULL, ARG_FULL },
+ { "fail", no_argument, NULL, ARG_FAIL },
{ "session", no_argument, NULL, ARG_SESSION },
{ "system", no_argument, NULL, ARG_SYSTEM },
{ "no-block", no_argument, NULL, ARG_NO_BLOCK },
{ "no-wall", no_argument, NULL, ARG_NO_WALL },
{ "quiet", no_argument, NULL, 'q' },
+ { "order", no_argument, NULL, ARG_ORDER },
+ { "require", no_argument, NULL, ARG_REQUIRE },
{ NULL, 0, NULL, 0 }
};
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "htaq", options, NULL)) >= 0) {
+ while ((c = getopt_long(argc, argv, "ht:p:aq", options, NULL)) >= 0) {
switch (c) {
arg_type = optarg;
break;
+ case 'p':
+ arg_property = optarg;
+
+ /* If the user asked for a particular
+ * property, show it to him, even if it is
+ * empty. */
+ arg_all = true;
+ break;
+
case 'a':
arg_all = true;
break;
- case ARG_REPLACE:
- arg_replace = true;
+ case ARG_FAIL:
+ arg_fail = true;
break;
case ARG_SESSION:
arg_no_wall = true;
break;
+ case ARG_ORDER:
+ arg_dot = DOT_ORDER;
+ break;
+
+ case ARG_REQUIRE:
+ arg_dot = DOT_REQUIRE;
+ break;
+
+ case ARG_FULL:
+ arg_full = true;
+ break;
+
case 'q':
arg_quiet = true;
break;
if (utmp_get_runlevel(&previous, NULL) < 0)
previous = 'N';
- if (!(bus = dbus_connection_open("unix:abstract=/com/ubuntu/upstart", &error))) {
+ if (!(bus = dbus_connection_open_private("unix:abstract=/com/ubuntu/upstart", &error))) {
if (dbus_error_has_name(&error, DBUS_ERROR_NO_SERVER)) {
r = 0;
goto finish;
if (reply)
dbus_message_unref(reply);
- if (bus)
+ if (bus) {
+ dbus_connection_close(bus);
dbus_connection_unref(bus);
+ }
dbus_error_free(&error);
{ "stop", MORE, 2, start_unit },
{ "reload", MORE, 2, start_unit },
{ "restart", MORE, 2, start_unit },
+ { "try-restart", MORE, 2, start_unit },
+ { "reload-or-restart", MORE, 2, start_unit },
+ { "reload-or-try-restart", MORE, 2, start_unit },
{ "isolate", EQUAL, 2, start_unit },
{ "check", MORE, 2, check_unit },
+ { "show", MORE, 1, show },
+ { "status", MORE, 2, show },
{ "monitor", EQUAL, 1, monitor },
{ "dump", EQUAL, 1, dump },
+ { "dot", EQUAL, 1, dot },
{ "snapshot", LESS, 2, snapshot },
+ { "delete", MORE, 2, delete_snapshot },
{ "daemon-reload", EQUAL, 1, clear_jobs },
{ "daemon-reexec", EQUAL, 1, clear_jobs },
{ "daemon-exit", EQUAL, 1, clear_jobs },
{ "default", EQUAL, 1, start_special },
{ "rescue", EQUAL, 1, start_special },
{ "emergency", EQUAL, 1, start_special },
+ { "reset-maintenance", MORE, 1, reset_maintenance },
};
int left;
static int start_with_fallback(DBusConnection *bus) {
int r;
- warn_wall(arg_action);
if (bus) {
/* First, try systemd via D-Bus. */
if ((r = start_unit(bus, NULL, 0)) > 0)
- return 0;
+ goto done;
/* Hmm, talking to systemd via D-Bus didn't work. Then
* let's try to talk to Upstart via D-Bus. */
if ((r = talk_upstart()) > 0)
- return 0;
+ goto done;
}
/* Nothing else worked, so let's try
* /dev/initctl */
if ((r = talk_initctl()) != 0)
- return 0;
+ goto done;
log_error("Failed to talk to init daemon.");
return -EIO;
+
+done:
+ warn_wall(arg_action);
+ return 0;
}
static int halt_main(DBusConnection *bus) {
int r;
- if (!arg_immediate)
+ if (geteuid() != 0) {
+ log_error("Must to be root.");
+ return -EPERM;
+ }
+
+ if (!arg_dry && !arg_immediate)
return start_with_fallback(bus);
if (!arg_no_wtmp)
goto finish;
}
- /* If we are root, then let's not go via the bus */
- if (geteuid() == 0 && !arg_session) {
- bus = dbus_connection_open("unix:abstract=/org/freedesktop/systemd1/private", &error);
-
- if (bus && bus_check_peercred(bus) < 0) {
- log_error("Failed to verify owner of bus.");
- goto finish;
- }
- } else
- bus = dbus_bus_get(arg_session ? DBUS_BUS_SESSION : DBUS_BUS_SYSTEM, &error);
-
- if (bus)
- dbus_connection_set_exit_on_disconnect(bus, FALSE);
+ bus_connect(arg_session ? DBUS_BUS_SESSION : DBUS_BUS_SYSTEM, &bus, &private_bus, &error);
switch (arg_action) {
finish:
- if (bus)
+ if (bus) {
+ dbus_connection_close(bus);
dbus_connection_unref(bus);
+ }
dbus_error_free(&error);
~ianmdlvl / elogind.git / blobdiff