-/*-*- Mode: C; c-basic-offset: 8 -*-*/
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
#include <sys/ioctl.h>
#include <termios.h>
#include <unistd.h>
+#include <fcntl.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <stddef.h>
+#include <sys/prctl.h>
#include <dbus/dbus.h>
#include "set.h"
#include "utmp-wtmp.h"
#include "special.h"
+#include "initreq.h"
+#include "strv.h"
+#include "dbus-common.h"
+#include "cgroup-show.h"
+#include "cgroup-util.h"
+#include "list.h"
+#include "path-lookup.h"
+#include "conf-parser.h"
+#include "sd-daemon.h"
+#include "shutdownd.h"
+#include "exit-status.h"
+#include "bus-errors.h"
+#include "build.h"
+#include "unit-name.h"
static const char *arg_type = NULL;
+static char **arg_property = NULL;
static bool arg_all = false;
-static bool arg_replace = false;
-static bool arg_session = false;
-static bool arg_block = false;
+static const char *arg_job_mode = "replace";
+static bool arg_user = false;
+static bool arg_global = false;
static bool arg_immediate = false;
+static bool arg_no_block = false;
+static bool arg_no_pager = false;
static bool arg_no_wtmp = false;
static bool arg_no_sync = false;
static bool arg_no_wall = false;
+static bool arg_no_reload = false;
static bool arg_dry = false;
+static bool arg_quiet = false;
+static bool arg_full = false;
+static bool arg_force = false;
+static bool arg_defaults = false;
+static bool arg_ask_password = false;
+static bool arg_failed = false;
static char **arg_wall = NULL;
-enum action {
+static const char *arg_kill_who = NULL;
+static const char *arg_kill_mode = NULL;
+static int arg_signal = SIGTERM;
+static usec_t arg_when = 0;
+static enum action {
ACTION_INVALID,
ACTION_SYSTEMCTL,
ACTION_HALT,
ACTION_POWEROFF,
ACTION_REBOOT,
+ ACTION_KEXEC,
+ ACTION_EXIT,
ACTION_RUNLEVEL2,
ACTION_RUNLEVEL3,
ACTION_RUNLEVEL4,
ACTION_RELOAD,
ACTION_REEXEC,
ACTION_RUNLEVEL,
+ ACTION_CANCEL_SHUTDOWN,
_ACTION_MAX
} arg_action = ACTION_SYSTEMCTL;
+static enum dot {
+ DOT_ALL,
+ DOT_ORDER,
+ DOT_REQUIRE
+} arg_dot = DOT_ALL;
+static enum transport {
+ TRANSPORT_NORMAL,
+ TRANSPORT_SSH,
+ TRANSPORT_POLKIT
+} arg_transport = TRANSPORT_NORMAL;
+static const char *arg_host = NULL;
+
+static bool private_bus = false;
+
+static pid_t pager_pid = 0;
+static pid_t agent_pid = 0;
+
+static int daemon_reload(DBusConnection *bus, char **args, unsigned n);
+static void pager_open(void);
+
+static bool on_tty(void) {
+ static int t = -1;
+
+ /* Note that this is invoked relatively early, before we start
+ * the pager. That means the value we return reflects whether
+ * we originally were started on a tty, not if we currently
+ * are. But this is intended, since we want colour and so on
+ * when run in our own pager. */
+
+ if (_unlikely_(t < 0))
+ t = isatty(STDOUT_FILENO) > 0;
+
+ return t;
+}
+
+static void spawn_ask_password_agent(void) {
+ pid_t parent;
+
+ if (agent_pid > 0)
+ return;
+
+ /* We check STDIN here, not STDOUT, since this is about input,
+ * not output */
+ if (!isatty(STDIN_FILENO))
+ return;
+
+ if (!arg_ask_password)
+ return;
+
+ if (arg_user)
+ return;
+
+ parent = getpid();
+
+ /* Spawns a temporary TTY agent, making sure it goes away when
+ * we go away */
+
+ if ((agent_pid = fork()) < 0)
+ return;
+
+ if (agent_pid == 0) {
+ /* In the child */
+
+ int fd;
+ bool stdout_is_tty, stderr_is_tty;
+
+ /* Make sure the agent goes away when the parent dies */
+ if (prctl(PR_SET_PDEATHSIG, SIGTERM) < 0)
+ _exit(EXIT_FAILURE);
+
+ /* Check whether our parent died before we were able
+ * to set the death signal */
+ if (getppid() != parent)
+ _exit(EXIT_SUCCESS);
+
+ /* Don't leak fds to the agent */
+ close_all_fds(NULL, 0);
+
+ stdout_is_tty = isatty(STDOUT_FILENO);
+ stderr_is_tty = isatty(STDERR_FILENO);
+
+ if (!stdout_is_tty || !stderr_is_tty) {
+ /* Detach from stdout/stderr. and reopen
+ * /dev/tty for them. This is important to
+ * ensure that when systemctl is started via
+ * popen() or a similar call that expects to
+ * read EOF we actually do generate EOF and
+ * not delay this indefinitely by because we
+ * keep an unused copy of stdin around. */
+ if ((fd = open("/dev/tty", O_WRONLY)) < 0) {
+ log_error("Failed to open /dev/tty: %m");
+ _exit(EXIT_FAILURE);
+ }
-static bool error_is_no_service(DBusError *error) {
+ if (!stdout_is_tty)
+ dup2(fd, STDOUT_FILENO);
+ if (!stderr_is_tty)
+ dup2(fd, STDERR_FILENO);
+
+ if (fd > 2)
+ close(fd);
+ }
+
+ execl(SYSTEMD_TTY_ASK_PASSWORD_AGENT_BINARY_PATH, SYSTEMD_TTY_ASK_PASSWORD_AGENT_BINARY_PATH, "--watch", NULL);
+
+ log_error("Unable to execute agent: %m");
+ _exit(EXIT_FAILURE);
+ }
+}
+
+static const char *ansi_highlight(bool b) {
+
+ if (!on_tty())
+ return "";
+
+ return b ? ANSI_HIGHLIGHT_ON : ANSI_HIGHLIGHT_OFF;
+}
+
+static const char *ansi_highlight_green(bool b) {
+
+ if (!on_tty())
+ return "";
+
+ return b ? ANSI_HIGHLIGHT_GREEN_ON : ANSI_HIGHLIGHT_OFF;
+}
+
+static bool error_is_no_service(const DBusError *error) {
assert(error);
if (!dbus_error_is_set(error))
return startswith(error->name, "org.freedesktop.DBus.Error.Spawn.");
}
+static int translate_bus_error_to_exit_status(int r, const DBusError *error) {
+ assert(error);
+
+ if (!dbus_error_is_set(error))
+ return r;
+
+ if (dbus_error_has_name(error, DBUS_ERROR_ACCESS_DENIED) ||
+ dbus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
+ dbus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
+ dbus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
+ return EXIT_NOPERMISSION;
+
+ if (dbus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
+ return EXIT_NOTINSTALLED;
+
+ if (dbus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
+ dbus_error_has_name(error, BUS_ERROR_NOT_SUPPORTED))
+ return EXIT_NOTIMPLEMENTED;
+
+ if (dbus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
+ return EXIT_NOTCONFIGURED;
+
+ if (r != 0)
+ return r;
+
+ return EXIT_FAILURE;
+}
+
static int bus_iter_get_basic_and_next(DBusMessageIter *iter, int type, void *data, bool next) {
assert(iter);
return 0;
}
-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!",
[ACTION_REBOOT] = "The system is going down for reboot NOW!",
[ACTION_POWEROFF] = "The system is going down for power-off NOW!",
+ [ACTION_KEXEC] = "The system is going down for kexec reboot NOW!",
[ACTION_RESCUE] = "The system is going down to rescue mode NOW!",
[ACTION_EMERGENCY] = "The system is going down to emergency mode NOW!"
};
if (arg_no_wall)
return;
+ if (arg_wall) {
+ char *p;
+
+ if (!(p = strv_join(arg_wall, " "))) {
+ log_error("Failed to join strings.");
+ return;
+ }
+
+ if (*p) {
+ utmp_wall(p, NULL);
+ free(p);
+ return;
+ }
+
+ free(p);
+ }
+
if (!table[action])
return;
- utmp_wall(table[action]);
+ utmp_wall(table[action], NULL);
+}
+
+struct unit_info {
+ const char *id;
+ const char *description;
+ const char *load_state;
+ const char *active_state;
+ const char *sub_state;
+ const char *following;
+ const char *unit_path;
+ uint32_t job_id;
+ const char *job_type;
+ const char *job_path;
+};
+
+static int compare_unit_info(const void *a, const void *b) {
+ const char *d1, *d2;
+ const struct unit_info *u = a, *v = b;
+
+ d1 = strrchr(u->id, '.');
+ d2 = strrchr(v->id, '.');
+
+ if (d1 && d2) {
+ int r;
+
+ if ((r = strcasecmp(d1, d2)) != 0)
+ return r;
+ }
+
+ return strcasecmp(u->id, v->id);
+}
+
+static bool output_show_unit(const struct unit_info *u) {
+ const char *dot;
+
+ if (arg_failed)
+ return streq(u->active_state, "failed");
+
+ return (!arg_type || ((dot = strrchr(u->id, '.')) &&
+ streq(dot+1, arg_type))) &&
+ (arg_all || !(streq(u->active_state, "inactive") || u->following[0]) || u->job_id > 0);
+}
+
+static void output_units_list(const struct unit_info *unit_infos, unsigned c) {
+ unsigned active_len, sub_len, job_len, n_shown = 0;
+ const struct unit_info *u;
+
+ active_len = sizeof("ACTIVE")-1;
+ sub_len = sizeof("SUB")-1;
+ job_len = sizeof("JOB")-1;
+
+ for (u = unit_infos; u < unit_infos + c; u++) {
+ if (!output_show_unit(u))
+ continue;
+
+ active_len = MAX(active_len, strlen(u->active_state));
+ sub_len = MAX(sub_len, strlen(u->sub_state));
+ if (u->job_id != 0)
+ job_len = MAX(job_len, strlen(u->job_type));
+ }
+
+ if (on_tty()) {
+ printf("%-25s %-6s %-*s %-*s %-*s", "UNIT", "LOAD",
+ active_len, "ACTIVE", sub_len, "SUB", job_len, "JOB");
+ if (columns() >= 80+12 || arg_full || !arg_no_pager)
+ printf(" %s\n", "DESCRIPTION");
+ else
+ printf("\n");
+ }
+
+ for (u = unit_infos; u < unit_infos + c; u++) {
+ char *e;
+ int a = 0, b = 0;
+ const char *on_loaded, *off_loaded;
+ const char *on_active, *off_active;
+
+ if (!output_show_unit(u))
+ continue;
+
+ n_shown++;
+
+ if (!streq(u->load_state, "loaded") &&
+ !streq(u->load_state, "banned")) {
+ on_loaded = ansi_highlight(true);
+ off_loaded = ansi_highlight(false);
+ } else
+ on_loaded = off_loaded = "";
+
+ if (streq(u->active_state, "failed")) {
+ on_active = ansi_highlight(true);
+ off_active = ansi_highlight(false);
+ } else
+ on_active = off_active = "";
+
+ e = arg_full ? NULL : ellipsize(u->id, 25, 33);
+
+ printf("%-25s %s%-6s%s %s%-*s %-*s%s%n",
+ e ? e : u->id,
+ on_loaded, u->load_state, off_loaded,
+ on_active, active_len, u->active_state,
+ sub_len, u->sub_state, off_active,
+ &a);
+
+ free(e);
+
+ a -= strlen(on_loaded) + strlen(off_loaded);
+ a -= strlen(on_active) + strlen(off_active);
+
+ if (u->job_id != 0)
+ printf(" %-*s", job_len, u->job_type);
+ else
+ b = 1 + job_len;
+
+ if (a + b + 1 < columns()) {
+ if (u->job_id == 0)
+ printf(" %-*s", job_len, "");
+
+ if (arg_full || !arg_no_pager)
+ printf(" %s", u->description);
+ else
+ printf(" %.*s", columns() - a - b - 1, u->description);
+ }
+
+ fputs("\n", stdout);
+ }
+
+ if (on_tty()) {
+ printf("\nLOAD = Reflects whether the unit definition was properly loaded.\n"
+ "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
+ "SUB = The low-level unit activation state, values depend on unit type.\n"
+ "JOB = Pending job for the unit.\n");
+
+ if (arg_all)
+ printf("\n%u units listed.\n", n_shown);
+ else
+ printf("\n%u units listed. Pass --all to see inactive units, too.\n", n_shown);
+ }
}
static int list_units(DBusConnection *bus, char **args, unsigned n) {
DBusError error;
int r;
DBusMessageIter iter, sub, sub2;
- unsigned k = 0;
+ unsigned c = 0, n_units = 0;
+ struct unit_info *unit_infos = NULL;
dbus_error_init(&error);
assert(bus);
+ pager_open();
+
if (!(m = dbus_message_new_method_call(
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
}
if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
- log_error("Failed to issue method call: %s", error.message);
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
dbus_message_iter_recurse(&iter, &sub);
- 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;
- uint32_t job_id;
+ struct unit_info *u;
if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
log_error("Failed to parse reply.");
goto finish;
}
+ if (c >= n_units) {
+ struct unit_info *w;
+
+ n_units = MAX(2*c, 16);
+ w = realloc(unit_infos, sizeof(struct unit_info) * n_units);
+
+ if (!w) {
+ log_error("Failed to allocate unit array.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ unit_infos = w;
+ }
+
+ u = unit_infos+c;
+
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_state, 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 (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->id, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->description, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->load_state, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->active_state, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->sub_state, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->following, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &u->unit_path, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &u->job_id, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->job_type, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &u->job_path, false) < 0) {
log_error("Failed to parse reply.");
r = -EIO;
goto finish;
}
- if ((!arg_type || ((dot = strrchr(id, '.')) &&
- streq(dot+1, arg_type))) &&
- (arg_all || !streq(active_state, "inactive"))) {
+ dbus_message_iter_next(&sub);
+ c++;
+ }
+
+ if (c > 0) {
+ qsort(unit_infos, c, sizeof(struct unit_info), compare_unit_info);
+ output_units_list(unit_infos, c);
+ }
- int a = 0, b = 0;
+ r = 0;
- printf("%-45s %-6s %-12s %-12s%n", id, load_state, active_state, sub_state, &a);
+finish:
+ if (m)
+ dbus_message_unref(m);
- if (job_id != 0)
- printf(" %-15s%n", job_type, &b);
- else
- b = 1 + 15;
+ if (reply)
+ dbus_message_unref(reply);
- if (a + b + 2 < columns()) {
- if (job_id == 0)
- printf(" ");
+ free(unit_infos);
- printf("%.*s", columns() - a - b - 2, description);
+ 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\"]",
+ "ConflictedBy", "[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);
}
- fputs("\n", stdout);
- k++;
+ return 0;
}
+ }
- dbus_message_iter_next(&sub);
+ 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 (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 (!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", bus_error_message(&error));
+ 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);
+ }
r = 0;
return r;
}
-static int list_jobs(DBusConnection *bus, char **args, unsigned n) {
+static int dot(DBusConnection *bus, char **args, unsigned n) {
DBusMessage *m = NULL, *reply = NULL;
DBusError error;
int r;
DBusMessageIter iter, sub, sub2;
- unsigned k = 0;
dbus_error_init(&error);
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
- "ListJobs"))) {
+ "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);
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
goto finish;
}
- dbus_message_iter_recurse(&iter, &sub);
-
- printf("%4s %-45s %-17s %-7s\n", "JOB", "UNIT", "TYPE", "STATE");
+ printf("digraph systemd {\n");
+ dbus_message_iter_recurse(&iter, &sub);
while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
- const char *name, *type, *state, *job_path, *unit_path;
- uint32_t id;
+ const char *id, *description, *load_state, *active_state, *sub_state, *following, *unit_path;
if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
log_error("Failed to parse reply.");
dbus_message_iter_recurse(&sub, &sub2);
- if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &id, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &state, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &job_path, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, false) < 0) {
+ 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_STRING, &following, 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;
}
- printf("%4u %-45s %-17s %-7s\n", id, name, type, state);
- k++;
+ if ((r = dot_one(bus, id, unit_path)) < 0)
+ goto finish;
+ /* printf("\t\"%s\";\n", id); */
dbus_message_iter_next(&sub);
}
- printf("\n%u jobs listed.\n", k);
+ 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;
finish:
return r;
}
-static int load_unit(DBusConnection *bus, char **args, unsigned n) {
+static int list_jobs(DBusConnection *bus, char **args, unsigned n) {
DBusMessage *m = NULL, *reply = NULL;
DBusError error;
int r;
- unsigned i;
+ DBusMessageIter iter, sub, sub2;
+ unsigned k = 0;
dbus_error_init(&error);
assert(bus);
- assert(args);
+
+ pager_open();
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "ListJobs"))) {
+ 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", bus_error_message(&error));
+ 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;
+ }
+
+ dbus_message_iter_recurse(&iter, &sub);
+
+ if (isatty(STDOUT_FILENO))
+ printf("%4s %-25s %-15s %-7s\n", "JOB", "UNIT", "TYPE", "STATE");
+
+ 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.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_recurse(&sub, &sub2);
+
+ if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &id, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &state, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &job_path, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, false) < 0) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ e = arg_full ? NULL : ellipsize(name, 25, 33);
+ printf("%4u %-25s %-15s %-7s\n", id, e ? e : name, type, state);
+ free(e);
+
+ k++;
+
+ dbus_message_iter_next(&sub);
+ }
+
+ if (isatty(STDOUT_FILENO))
+ printf("\n%u jobs listed.\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 load_unit(DBusConnection *bus, char **args, unsigned n) {
+ DBusMessage *m = NULL, *reply = NULL;
+ DBusError error;
+ int r;
+ unsigned i;
+
+ dbus_error_init(&error);
+
+ assert(bus);
+ assert(args);
for (i = 1; i < n; i++) {
}
if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
- log_error("Failed to issue method call: %s", error.message);
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
assert(bus);
assert(args);
+ if (n <= 1)
+ return daemon_reload(bus, args, n);
+
for (i = 1; i < n; i++) {
unsigned id;
const char *path;
}
if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
- log_error("Failed to issue method call: %s", error.message);
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
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);
+ log_error("Failed to parse reply: %s", bus_error_message(&error));
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);
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
return r;
}
+static bool need_daemon_reload(DBusConnection *bus, const char *unit) {
+ DBusMessage *m = NULL, *reply = NULL;
+ dbus_bool_t b = FALSE;
+ DBusMessageIter iter, sub;
+ const char
+ *interface = "org.freedesktop.systemd1.Unit",
+ *property = "NeedDaemonReload",
+ *path;
+
+ /* We ignore all errors here, since this is used to show a warning only */
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetUnit")))
+ goto finish;
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &unit,
+ DBUS_TYPE_INVALID))
+ goto finish;
+
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, NULL)))
+ goto finish;
+
+ 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;
+ char *result;
+} WaitData;
+
static DBusHandlerResult wait_filter(DBusConnection *connection, DBusMessage *message, void *data) {
DBusError error;
- Set *s = data;
+ WaitData *d = data;
assert(connection);
assert(message);
- assert(s);
+ 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)); */
+ 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.");
} else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) {
uint32_t id;
- const char *path;
+ const char *path, *result;
+ dbus_bool_t success = true;
+
+ if (dbus_message_get_args(message, &error,
+ DBUS_TYPE_UINT32, &id,
+ DBUS_TYPE_OBJECT_PATH, &path,
+ DBUS_TYPE_STRING, &result,
+ DBUS_TYPE_INVALID)) {
+ char *p;
- if (!dbus_message_get_args(message, &error,
- DBUS_TYPE_UINT32, &id,
- DBUS_TYPE_OBJECT_PATH, &path,
- DBUS_TYPE_INVALID))
- log_error("Failed to parse message: %s", error.message);
- else {
+ if ((p = set_remove(d->set, (char*) path)))
+ free(p);
+
+ if (*result)
+ d->result = strdup(result);
+
+ goto finish;
+ }
+#ifndef LEGACY
+ dbus_error_free(&error);
+
+ if (dbus_message_get_args(message, &error,
+ DBUS_TYPE_UINT32, &id,
+ DBUS_TYPE_OBJECT_PATH, &path,
+ DBUS_TYPE_BOOLEAN, &success,
+ DBUS_TYPE_INVALID)) {
char *p;
- if ((p = set_remove(s, (char*) path)))
+ /* Compatibility with older systemd versions <
+ * 19 during upgrades. This should be dropped
+ * one day */
+
+ if ((p = set_remove(d->set, (char*) path)))
free(p);
+
+ if (!success)
+ d->result = strdup("failed");
+
+ goto finish;
}
+#endif
+
+ log_error("Failed to parse message: %s", bus_error_message(&error));
}
+finish:
dbus_error_free(&error);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
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',"
&error);
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;
+ log_error("Failed to add match: %s", bus_error_message(&error));
+ 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) {
int r;
+ WaitData d;
assert(bus);
assert(s);
- if (!dbus_connection_add_filter(bus, wait_filter, s, NULL)) {
+ zero(d);
+ d.set = s;
+
+ if (!dbus_connection_add_filter(bus, wait_filter, &d, NULL)) {
log_error("Failed to add filter.");
r = -ENOMEM;
goto finish;
dbus_connection_read_write_dispatch(bus, -1))
;
- r = 0;
+ if (!arg_quiet && d.result) {
+ if (streq(d.result, "timeout"))
+ log_error("Job timed out.");
+ else if (streq(d.result, "canceled"))
+ log_error("Job canceled.");
+ else if (streq(d.result, "dependency"))
+ log_error("A dependency job failed. See system logs for details.");
+ else if (!streq(d.result, "done") && !streq(d.result, "skipped"))
+ log_error("Job failed. See system logs and 'systemctl status' for details.");
+ }
+
+ if (streq_ptr(d.result, "timeout"))
+ r = -ETIME;
+ else if (streq_ptr(d.result, "canceled"))
+ r = -ECANCELED;
+ else if (!streq_ptr(d.result, "done") && !streq_ptr(d.result, "skipped"))
+ r = -EIO;
+ else
+ r = 0;
+
+ free(d.result);
finish:
/* This is slightly dirty, since we don't undo the filter registration. */
const char *method,
const char *name,
const char *mode,
+ DBusError *error,
Set *s) {
DBusMessage *m = NULL, *reply = NULL;
- DBusError error;
+ const char *path;
int r;
assert(bus);
assert(method);
assert(name);
assert(mode);
- assert(!arg_block || s);
-
- dbus_error_init(&error);
+ assert(error);
+ assert(arg_no_block || s);
if (!(m = dbus_message_new_method_call(
"org.freedesktop.systemd1",
goto finish;
}
- if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, error))) {
- if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(&error)) {
+ if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(error)) {
/* There's always a fallback possible for
* legacy actions. */
- r = 0;
+ r = -EADDRNOTAVAIL;
goto finish;
}
- log_error("Failed to issue method call: %s", error.message);
+ log_error("Failed to issue method call: %s", bus_error_message(error));
r = -EIO;
goto finish;
}
- if (arg_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", bus_error_message(error));
+ 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;
- }
+ if (need_daemon_reload(bus, name))
+ log_warning("Unit file of created job changed on disk, 'systemctl %s daemon-reload' recommended.",
+ arg_user ? "--user" : "--system");
+
+ if (!arg_no_block) {
+ char *p;
if (!(p = strdup(path))) {
log_error("Failed to duplicate path.");
}
}
- r = 1;
+ r = 0;
finish:
if (m)
if (reply)
dbus_message_unref(reply);
- dbus_error_free(&error);
-
return r;
}
return ACTION_POWEROFF;
else if (streq(verb, "reboot"))
return ACTION_REBOOT;
+ else if (streq(verb, "kexec"))
+ return ACTION_KEXEC;
else if (streq(verb, "rescue"))
return ACTION_RESCUE;
else if (streq(verb, "emergency"))
return ACTION_EMERGENCY;
else if (streq(verb, "default"))
return ACTION_DEFAULT;
+ else if (streq(verb, "exit"))
+ return ACTION_EXIT;
else
return ACTION_INVALID;
}
[ACTION_HALT] = SPECIAL_HALT_TARGET,
[ACTION_POWEROFF] = SPECIAL_POWEROFF_TARGET,
[ACTION_REBOOT] = SPECIAL_REBOOT_TARGET,
+ [ACTION_KEXEC] = SPECIAL_KEXEC_TARGET,
[ACTION_RUNLEVEL2] = SPECIAL_RUNLEVEL2_TARGET,
[ACTION_RUNLEVEL3] = SPECIAL_RUNLEVEL3_TARGET,
[ACTION_RUNLEVEL4] = SPECIAL_RUNLEVEL4_TARGET,
[ACTION_RUNLEVEL5] = SPECIAL_RUNLEVEL5_TARGET,
[ACTION_RESCUE] = SPECIAL_RESCUE_TARGET,
- [ACTION_EMERGENCY] = SPECIAL_EMERGENCY_SERVICE,
- [ACTION_DEFAULT] = SPECIAL_DEFAULT_TARGET
+ [ACTION_EMERGENCY] = SPECIAL_EMERGENCY_TARGET,
+ [ACTION_DEFAULT] = SPECIAL_DEFAULT_TARGET,
+ [ACTION_EXIT] = SPECIAL_EXIT_TARGET
};
- int r;
+ int r, ret = 0;
unsigned i;
const char *method, *mode, *one_name;
Set *s = NULL;
+ DBusError error;
+
+ dbus_error_init(&error);
assert(bus);
+ spawn_ask_password_agent();
+
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") ||
+ streq(args[0], "condstop") ? "StopUnit" :
+ streq(args[0], "reload") ? "ReloadUnit" :
+ streq(args[0], "restart") ? "RestartUnit" :
+
+ streq(args[0], "try-restart") ||
+ streq(args[0], "condrestart") ? "TryRestartUnit" :
+
+ streq(args[0], "reload-or-restart") ? "ReloadOrRestartUnit" :
+
+ streq(args[0], "reload-or-try-restart") ||
+ streq(args[0], "condreload") ||
+
+ streq(args[0], "force-reload") ? "ReloadOrTryRestartUnit" :
+ "StartUnit";
mode =
(streq(args[0], "isolate") ||
streq(args[0], "rescue") ||
- streq(args[0], "emergency")) ? "isolate" :
- arg_replace ? "replace" :
- "fail";
+ streq(args[0], "emergency")) ? "isolate" : arg_job_mode;
one_name = table[verb_to_action(args[0])];
method = "StartUnit";
mode = (arg_action == ACTION_EMERGENCY ||
- arg_action == ACTION_RESCUE) ? "isolate" : "replace";
+ arg_action == ACTION_RESCUE ||
+ arg_action == ACTION_RUNLEVEL2 ||
+ arg_action == ACTION_RUNLEVEL3 ||
+ arg_action == ACTION_RUNLEVEL4 ||
+ arg_action == ACTION_RUNLEVEL5) ? "isolate" : "replace";
one_name = table[arg_action];
}
- if (arg_block) {
- if ((r = enable_wait_for_jobs(bus)) < 0) {
- log_error("Could not watch jobs: %s", strerror(-r));
+ if (!arg_no_block) {
+ if ((ret = enable_wait_for_jobs(bus)) < 0) {
+ log_error("Could not watch jobs: %s", strerror(-ret));
goto finish;
}
if (!(s = set_new(string_hash_func, string_compare_func))) {
log_error("Failed to allocate set.");
- r = -ENOMEM;
+ ret = -ENOMEM;
goto finish;
}
}
- r = 0;
-
if (one_name) {
- if ((r = start_unit_one(bus, method, one_name, mode, s)) <= 0)
+ if ((ret = start_unit_one(bus, method, one_name, mode, &error, s)) <= 0)
goto finish;
} else {
for (i = 1; i < n; i++)
- if ((r = start_unit_one(bus, method, args[i], mode, s)) < 0)
- goto finish;
+ if ((r = start_unit_one(bus, method, args[i], mode, &error, s)) != 0) {
+ ret = translate_bus_error_to_exit_status(r, &error);
+ dbus_error_free(&error);
+ }
}
- if (arg_block)
- r = wait_for_jobs(bus, s);
+ if (!arg_no_block)
+ if ((r = wait_for_jobs(bus, s)) < 0) {
+ ret = r;
+ goto finish;
+ }
finish:
if (s)
set_free_free(s);
- return r;
+ dbus_error_free(&error);
+
+ return ret;
}
static int start_special(DBusConnection *bus, char **args, unsigned n) {
+ int r;
+
assert(bus);
assert(args);
- warn_wall(verb_to_action(args[0]));
+ if (arg_force &&
+ (streq(args[0], "halt") ||
+ streq(args[0], "poweroff") ||
+ streq(args[0], "reboot") ||
+ streq(args[0], "kexec") ||
+ streq(args[0], "exit")))
+ return daemon_reload(bus, args, n);
+
+ 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 DBusHandlerResult monitor_filter(DBusConnection *connection, DBusMessage *message, void *data) {
- DBusError error;
+static int check_unit(DBusConnection *bus, char **args, unsigned n) {
DBusMessage *m = NULL, *reply = NULL;
+ const char
+ *interface = "org.freedesktop.systemd1.Unit",
+ *property = "ActiveState";
+ int r = 3; /* According to LSB: "program is not running" */
+ DBusError error;
+ unsigned i;
- assert(connection);
- assert(message);
+ assert(bus);
+ assert(args);
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", "UnitNew") ||
- dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "UnitRemoved")) {
- const char *id, *path;
-
- if (!dbus_message_get_args(message, &error,
- DBUS_TYPE_STRING, &id,
- DBUS_TYPE_OBJECT_PATH, &path,
- DBUS_TYPE_INVALID))
- log_error("Failed to parse message: %s", error.message);
- else if (streq(dbus_message_get_member(message), "UnitNew"))
- printf("Unit %s added.\n", id);
- else
- printf("Unit %s removed.\n", id);
+ for (i = 1; i < n; i++) {
+ const char *path = NULL;
+ const char *state;
+ DBusMessageIter iter, sub;
- } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobNew") ||
- dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) {
- uint32_t id;
- const char *path;
+ 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_get_args(message, &error,
- DBUS_TYPE_UINT32, &id,
- DBUS_TYPE_OBJECT_PATH, &path,
- DBUS_TYPE_INVALID))
- log_error("Failed to parse message: %s", error.message);
- else if (streq(dbus_message_get_member(message), "JobNew"))
- printf("Job %u added.\n", id);
- else
- printf("Job %u removed.\n", id);
+ 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))) {
- } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Unit", "Changed") ||
- dbus_message_is_signal(message, "org.freedesktop.systemd1.Job", "Changed")) {
+ /* Hmm, cannot figure out anything about this unit... */
+ if (!arg_quiet)
+ puts("unknown");
- const char *path, *interface, *property = "Id";
- DBusMessageIter iter, sub;
+ dbus_error_free(&error);
+ dbus_message_unref(m);
+ continue;
+ }
- path = dbus_message_get_path(message);
- interface = dbus_message_get_interface(message);
+ if (!dbus_message_get_args(reply, &error,
+ DBUS_TYPE_OBJECT_PATH, &path,
+ DBUS_TYPE_INVALID)) {
+ log_error("Failed to parse reply: %s", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
+ dbus_message_unref(m);
if (!(m = dbus_message_new_method_call(
- "org.freedesktop.systemd1",
- path,
- "org.freedesktop.DBus.Properties",
- "Get"))) {
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.DBus.Properties",
+ "Get"))) {
log_error("Could not allocate message.");
- goto oom;
+ r = -ENOMEM;
+ goto finish;
}
if (!dbus_message_append_args(m,
DBUS_TYPE_STRING, &property,
DBUS_TYPE_INVALID)) {
log_error("Could not append arguments to message.");
+ r = -ENOMEM;
goto finish;
}
- if (!(reply = dbus_connection_send_with_reply_and_block(connection, m, -1, &error))) {
- log_error("Failed to issue method call: %s", error.message);
+ 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", bus_error_message(&error));
+ 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 (streq(interface, "org.freedesktop.systemd1.Unit")) {
- const char *id;
+ if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
- if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
- log_error("Failed to parse reply.");
- goto finish;
- }
+ dbus_message_iter_get_basic(&sub, &state);
- dbus_message_iter_get_basic(&sub, &id);
- printf("Unit %s changed.\n", id);
- } else {
- uint32_t id;
+ if (!arg_quiet)
+ puts(state);
- if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_UINT32) {
- log_error("Failed to parse reply.");
- goto finish;
- }
+ if (streq(state, "active") || streq(state, "reloading"))
+ r = 0;
- dbus_message_iter_get_basic(&sub, &id);
- printf("Job %u changed.\n", id);
- }
+ dbus_message_unref(m);
+ dbus_message_unref(reply);
+ m = reply = NULL;
}
finish:
dbus_message_unref(reply);
dbus_error_free(&error);
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-
-oom:
- if (m)
- dbus_message_unref(m);
-
- if (reply)
- dbus_message_unref(reply);
- dbus_error_free(&error);
- return DBUS_HANDLER_RESULT_NEED_MEMORY;
+ return r;
}
-static int monitor(DBusConnection *bus, char **args, unsigned n) {
+static int kill_unit(DBusConnection *bus, char **args, unsigned n) {
DBusMessage *m = NULL, *reply = NULL;
+ int r = 0;
DBusError error;
- int r;
+ unsigned i;
- dbus_error_init(&error);
+ assert(bus);
+ assert(args);
- dbus_bus_add_match(bus,
- "type='signal',"
- "sender='org.freedesktop.systemd1',"
- "interface='org.freedesktop.systemd1.Manager',"
- "path='/org/freedesktop/systemd1'",
- &error);
+ dbus_error_init(&error);
- if (dbus_error_is_set(&error)) {
- log_error("Failed to add match: %s", error.message);
- r = -EIO;
- goto finish;
- }
+ if (!arg_kill_who)
+ arg_kill_who = "all";
- dbus_bus_add_match(bus,
- "type='signal',"
- "sender='org.freedesktop.systemd1',"
- "interface='org.freedesktop.systemd1.Unit',"
- "member='Changed'",
- &error);
+ if (!arg_kill_mode)
+ arg_kill_mode = streq(arg_kill_who, "all") ? "control-group" : "process";
- if (dbus_error_is_set(&error)) {
- log_error("Failed to add match: %s", error.message);
- r = -EIO;
- goto finish;
- }
+ for (i = 1; i < n; i++) {
- dbus_bus_add_match(bus,
- "type='signal',"
- "sender='org.freedesktop.systemd1',"
- "interface='org.freedesktop.systemd1.Job',"
- "member='Changed'",
- &error);
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "KillUnit"))) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
- if (dbus_error_is_set(&error)) {
- log_error("Failed to add match: %s", error.message);
- r = -EIO;
- goto finish;
- }
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &args[i],
+ DBUS_TYPE_STRING, &arg_kill_who,
+ DBUS_TYPE_STRING, &arg_kill_mode,
+ DBUS_TYPE_INT32, &arg_signal,
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
- if (!dbus_connection_add_filter(bus, monitor_filter, NULL, NULL)) {
- log_error("Failed to add filter.");
- 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", bus_error_message(&error));
+ dbus_error_free(&error);
+ r = -EIO;
+ }
- 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;
- }
+ dbus_message_unref(m);
- 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 (reply)
+ dbus_message_unref(reply);
+ m = reply = NULL;
}
- while (dbus_connection_read_write_dispatch(bus, -1))
- ;
-
- r = 0;
-
finish:
-
- /* This is slightly dirty, since we don't undo the filter or the matches. */
-
if (m)
dbus_message_unref(m);
return r;
}
-static int dump(DBusConnection *bus, char **args, unsigned n) {
- DBusMessage *m = NULL, *reply = NULL;
- DBusError error;
- int r;
- const char *text;
-
- dbus_error_init(&error);
+typedef struct ExecStatusInfo {
+ char *name;
- if (!(m = dbus_message_new_method_call(
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "Dump"))) {
- log_error("Could not allocate message.");
- return -ENOMEM;
- }
+ char *path;
+ char **argv;
- 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;
- }
+ bool ignore;
- if (!dbus_message_get_args(reply, &error,
- DBUS_TYPE_STRING, &text,
- DBUS_TYPE_INVALID)) {
- log_error("Failed to parse reply: %s", error.message);
- r = -EIO;
- goto finish;
- }
+ usec_t start_timestamp;
+ usec_t exit_timestamp;
+ pid_t pid;
+ int code;
+ int status;
- fputs(text, stdout);
+ LIST_FIELDS(struct ExecStatusInfo, exec);
+} ExecStatusInfo;
- r = 0;
+static void exec_status_info_free(ExecStatusInfo *i) {
+ assert(i);
-finish:
- if (m)
- dbus_message_unref(m);
+ free(i->name);
+ free(i->path);
+ strv_free(i->argv);
+ free(i);
+}
- if (reply)
- dbus_message_unref(reply);
+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;
- dbus_error_free(&error);
+ assert(i);
+ assert(i);
- return r;
-}
+ if (dbus_message_iter_get_arg_type(sub) != DBUS_TYPE_STRUCT)
+ return -EIO;
-static int snapshot(DBusConnection *bus, char **args, unsigned n) {
- DBusMessage *m = NULL, *reply = NULL;
- DBusError error;
- int r;
- const char *name = "", *path, *id;
- dbus_bool_t cleanup = FALSE;
- DBusMessageIter iter, sub;
- const char
- *interface = "org.freedesktop.systemd1.Unit",
- *property = "Id";
+ dbus_message_iter_recurse(sub, &sub2);
- dbus_error_init(&error);
+ if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) < 0)
+ return -EIO;
- if (!(m = dbus_message_new_method_call(
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "CreateSnapshot"))) {
- log_error("Could not allocate message.");
+ 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 (n > 1)
- name = args[1];
- if (!dbus_message_append_args(m,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_BOOLEAN, &cleanup,
- DBUS_TYPE_INVALID)) {
- log_error("Could not append arguments to message.");
+ 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 *following;
+
+ const char *path;
+ const char *default_control_group;
+
+ usec_t inactive_exit_timestamp;
+ usec_t active_enter_timestamp;
+ usec_t active_exit_timestamp;
+ usec_t inactive_enter_timestamp;
+
+ bool need_daemon_reload;
+
+ /* Service */
+ pid_t main_pid;
+ pid_t control_pid;
+ const char *status_text;
+ bool running:1;
+#ifdef HAVE_SYSV_COMPAT
+ bool is_sysv:1;
+#endif
+
+ usec_t start_timestamp;
+ usec_t exit_timestamp;
+
+ int exit_code, exit_status;
+
+ usec_t condition_timestamp;
+ bool condition_result;
+
+ /* 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;
+ const char *on, *off, *ss;
+ usec_t timestamp;
+ char since1[FORMAT_TIMESTAMP_PRETTY_MAX], *s1;
+ char since2[FORMAT_TIMESTAMP_MAX], *s2;
+
+ 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->following)
+ printf("\t Follow: unit currently follows state of %s\n", i->following);
+
+ if (streq_ptr(i->load_state, "failed") ||
+ streq_ptr(i->load_state, "banned")) {
+ on = ansi_highlight(true);
+ off = ansi_highlight(false);
+ } else
+ on = off = "";
+
+ if (i->path)
+ printf("\t Loaded: %s%s%s (%s)\n", on, strna(i->load_state), off, i->path);
+ else
+ printf("\t Loaded: %s%s%s\n", on, strna(i->load_state), off);
+
+ ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
+
+ if (streq_ptr(i->active_state, "failed")) {
+ on = ansi_highlight(true);
+ off = ansi_highlight(false);
+ } else if (streq_ptr(i->active_state, "active") || streq_ptr(i->active_state, "reloading")) {
+ on = ansi_highlight_green(true);
+ off = ansi_highlight_green(false);
+ } else
+ on = off = "";
+
+ if (ss)
+ printf("\t Active: %s%s (%s)%s",
+ on,
+ strna(i->active_state),
+ ss,
+ off);
+ else
+ printf("\t Active: %s%s%s",
+ on,
+ strna(i->active_state),
+ off);
+
+ timestamp = (streq_ptr(i->active_state, "active") ||
+ streq_ptr(i->active_state, "reloading")) ? i->active_enter_timestamp :
+ (streq_ptr(i->active_state, "inactive") ||
+ streq_ptr(i->active_state, "failed")) ? i->inactive_enter_timestamp :
+ streq_ptr(i->active_state, "activating") ? i->inactive_exit_timestamp :
+ i->active_exit_timestamp;
+
+ s1 = format_timestamp_pretty(since1, sizeof(since1), timestamp);
+ s2 = format_timestamp(since2, sizeof(since2), timestamp);
+
+ if (s1)
+ printf(" since %s; %s\n", s2, s1);
+ else if (s2)
+ printf(" since %s\n", s2);
+ else
+ printf("\n");
+
+ if (!i->condition_result && i->condition_timestamp > 0) {
+ s1 = format_timestamp_pretty(since1, sizeof(since1), i->condition_timestamp);
+ s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
+
+ if (s1)
+ printf("\t start condition failed at %s; %s\n", s2, s1);
+ else if (s2)
+ printf("\t start condition failed at %s\n", s2);
+ }
+
+ if (i->sysfs_path)
+ printf("\t Device: %s\n", i->sysfs_path);
+ if (i->where)
+ printf("\t Where: %s\n", i->where);
+ 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;
+ bool good;
+
+ /* Only show exited processes here */
+ if (p->code == 0)
+ continue;
+
+ t = strv_join(p->argv, " ");
+ printf("\t Process: %u %s=%s ", p->pid, p->name, strna(t));
+ free(t);
+
+#ifdef HAVE_SYSV_COMPAT
+ if (i->is_sysv)
+ good = is_clean_exit_lsb(p->code, p->status);
+ else
+#endif
+ good = is_clean_exit(p->code, p->status);
+
+ if (!good) {
+ on = ansi_highlight(true);
+ off = ansi_highlight(false);
+ } else
+ on = off = "";
+
+ printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
+
+ if (p->code == CLD_EXITED) {
+ const char *c;
+
+ printf("status=%i", p->status);
+
+#ifdef HAVE_SYSV_COMPAT
+ if ((c = exit_status_to_string(p->status, i->is_sysv ? EXIT_STATUS_LSB : EXIT_STATUS_SYSTEMD)))
+#else
+ if ((c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD)))
+#endif
+ printf("/%s", c);
+
+ } else
+ printf("signal=%s", signal_to_string(p->status));
+
+ printf(")%s\n", off);
+
+ on = off = NULL;
+
+ 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 PID: %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 if (i->exit_code > 0) {
+ printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
+
+ if (i->exit_code == CLD_EXITED) {
+ const char *c;
+
+ printf("status=%i", i->exit_status);
+
+#ifdef HAVE_SYSV_COMPAT
+ if ((c = exit_status_to_string(i->exit_status, i->is_sysv ? EXIT_STATUS_LSB : EXIT_STATUS_SYSTEMD)))
+#else
+ if ((c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD)))
+#endif
+ printf("/%s", c);
+
+ } 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 (arg_transport != TRANSPORT_SSH) {
+ 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_user ? "--user" : "--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->path = s;
+#ifdef HAVE_SYSV_COMPAT
+ else if (streq(name, "SysVPath")) {
+ i->is_sysv = true;
+ i->path = s;
+ }
+#endif
+ 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;
+ else if (streq(name, "Following"))
+ i->following = 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;
+ else if (streq(name, "ConditionResult"))
+ i->condition_result = 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;
+ else if (streq(name, "ActiveEnterTimestamp"))
+ i->active_enter_timestamp = (usec_t) u;
+ else if (streq(name, "InactiveEnterTimestamp"))
+ i->inactive_enter_timestamp = (usec_t) u;
+ else if (streq(name, "InactiveExitTimestamp"))
+ i->inactive_exit_timestamp = (usec_t) u;
+ else if (streq(name, "ActiveExitTimestamp"))
+ i->active_exit_timestamp = (usec_t) u;
+ else if (streq(name, "ConditionTimestamp"))
+ i->condition_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 (!(info->name = strdup(name))) {
+ free(info);
+ 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 && !strv_find(arg_property, name))
+ 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_DOUBLE: {
+ double d;
+ dbus_message_iter_get_basic(iter, &d);
+
+ printf("%s=%g\n", name, d);
+ 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, "EnvironmentFiles")) {
+ DBusMessageIter sub, sub2;
+
+ dbus_message_iter_recurse(iter, &sub);
+ while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
+ const char *path;
+ dbus_bool_t ignore;
+
+ dbus_message_iter_recurse(&sub, &sub2);
+
+ if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) >= 0 &&
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_BOOLEAN, &ignore, false) >= 0)
+ printf("EnvironmentFile=%s (ignore=%s)\n", path, yes_no(ignore));
+
+ dbus_message_iter_next(&sub);
+ }
+
+ 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(const char *verb, 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", bus_error_message(&error));
+ 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);
+ }
+
+ r = 0;
+
+ if (!show_properties)
+ print_status_info(&info);
+
+ if (!streq_ptr(info.active_state, "active") &&
+ !streq_ptr(info.active_state, "reloading") &&
+ streq(verb, "status"))
+ /* According to LSB: "program not running" */
+ r = 3;
+
+ while ((p = info.exec)) {
+ LIST_REMOVE(ExecStatusInfo, exec, info.exec, p);
+ exec_status_info_free(p);
+ }
+
+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, ret = 0;
+ 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)
+ pager_open();
+
+ if (show_properties && n <= 1) {
+ /* If not argument is specified inspect the manager
+ * itself */
+
+ ret = show_one(args[0], bus, "/org/freedesktop/systemd1", show_properties, &new_line);
+ goto finish;
+ }
+
+ for (i = 1; i < n; i++) {
+ const char *path = NULL;
+ uint32_t id;
+
+ if (safe_atou32(args[i], &id) < 0) {
+
+ /* Interpret as unit name */
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "LoadUnit"))) {
+ log_error("Could not allocate message.");
+ ret = -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.");
+ ret = -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", bus_error_message(&error));
+ ret = -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.");
+ ret = -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.");
+ ret = -ENOMEM;
+ goto finish;
+ }
+
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
+
+ if (dbus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT))
+ ret = 4; /* According to LSB: "program or service status is unknown" */
+ else
+ ret = -EIO;
+ goto finish;
+ }
+ }
+
+ } else if (show_properties) {
+
+ /* Interpret as job id */
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetJob"))) {
+ log_error("Could not allocate message.");
+ ret = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_UINT32, &id,
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ ret = -ENOMEM;
+ goto finish;
+ }
+
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
+ ret = -EIO;
+ goto finish;
+ }
+ } else {
+
+ /* Interpret as PID */
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetUnitByPID"))) {
+ log_error("Could not allocate message.");
+ ret = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_UINT32, &id,
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ ret = -ENOMEM;
+ goto finish;
+ }
+
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
+ ret = -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", bus_error_message(&error));
+ ret = -EIO;
+ goto finish;
+ }
+
+ if ((r = show_one(args[0], bus, path, show_properties, &new_line)) != 0)
+ ret = r;
+
+ 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 ret;
+}
+
+static DBusHandlerResult monitor_filter(DBusConnection *connection, DBusMessage *message, void *data) {
+ DBusError error;
+ DBusMessage *m = NULL, *reply = NULL;
+
+ assert(connection);
+ assert(message);
+
+ 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", "UnitNew") ||
+ dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "UnitRemoved")) {
+ const char *id, *path;
+
+ if (!dbus_message_get_args(message, &error,
+ DBUS_TYPE_STRING, &id,
+ DBUS_TYPE_OBJECT_PATH, &path,
+ DBUS_TYPE_INVALID))
+ log_error("Failed to parse message: %s", bus_error_message(&error));
+ else if (streq(dbus_message_get_member(message), "UnitNew"))
+ printf("Unit %s added.\n", id);
+ else
+ printf("Unit %s removed.\n", id);
+
+ } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobNew") ||
+ dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) {
+ uint32_t id;
+ const char *path, *result;
+
+ if (!dbus_message_get_args(message, &error,
+ DBUS_TYPE_UINT32, &id,
+ DBUS_TYPE_OBJECT_PATH, &path,
+ DBUS_TYPE_STRING, &result,
+ DBUS_TYPE_INVALID))
+ log_error("Failed to parse message: %s", bus_error_message(&error));
+ else if (streq(dbus_message_get_member(message), "JobNew"))
+ printf("Job %u added.\n", id);
+ else
+ printf("Job %u removed.\n", id);
+
+
+ } else if (dbus_message_is_signal(message, "org.freedesktop.DBus.Properties", "PropertiesChanged")) {
+
+ const char *path, *interface, *property = "Id";
+ DBusMessageIter iter, sub;
+
+ path = dbus_message_get_path(message);
+
+ if (!dbus_message_get_args(message, &error,
+ DBUS_TYPE_STRING, &interface,
+ DBUS_TYPE_INVALID)) {
+ log_error("Failed to parse message: %s", bus_error_message(&error));
+ goto finish;
+ }
+
+ if (!streq(interface, "org.freedesktop.systemd1.Job") &&
+ !streq(interface, "org.freedesktop.systemd1.Unit"))
+ goto finish;
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.DBus.Properties",
+ "Get"))) {
+ log_error("Could not allocate message.");
+ goto oom;
+ }
+
+ 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.");
+ goto finish;
+ }
+
+ if (!(reply = dbus_connection_send_with_reply_and_block(connection, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
+ 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.");
+ goto finish;
+ }
+
+ dbus_message_iter_recurse(&iter, &sub);
+
+ if (streq(interface, "org.freedesktop.systemd1.Unit")) {
+ const char *id;
+
+ if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
+ log_error("Failed to parse reply.");
+ goto finish;
+ }
+
+ dbus_message_iter_get_basic(&sub, &id);
+ printf("Unit %s changed.\n", id);
+ } else {
+ uint32_t id;
+
+ if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_UINT32) {
+ log_error("Failed to parse reply.");
+ goto finish;
+ }
+
+ dbus_message_iter_get_basic(&sub, &id);
+ printf("Job %u changed.\n", id);
+ }
+ }
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+
+oom:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+ return DBUS_HANDLER_RESULT_NEED_MEMORY;
+}
+
+static int monitor(DBusConnection *bus, char **args, unsigned n) {
+ DBusMessage *m = NULL, *reply = NULL;
+ DBusError error;
+ int r;
+
+ dbus_error_init(&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", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_bus_add_match(bus,
+ "type='signal',"
+ "sender='org.freedesktop.systemd1',"
+ "interface='org.freedesktop.DBus.Properties',"
+ "member='PropertiesChanged'",
+ &error);
+
+ if (dbus_error_is_set(&error)) {
+ log_error("Failed to add match: %s", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
+ }
+
+ if (!dbus_connection_add_filter(bus, monitor_filter, NULL, NULL)) {
+ log_error("Failed to add filter.");
+ r = -ENOMEM;
+ 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", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
+
+ while (dbus_connection_read_write_dispatch(bus, -1))
+ ;
+
+ r = 0;
+
+finish:
+
+ /* This is slightly dirty, since we don't undo the filter or the matches. */
+
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return r;
+}
+
+static int dump(DBusConnection *bus, char **args, unsigned n) {
+ DBusMessage *m = NULL, *reply = NULL;
+ DBusError error;
+ int r;
+ const char *text;
+
+ dbus_error_init(&error);
+
+ pager_open();
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "Dump"))) {
+ 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", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
+
+ if (!dbus_message_get_args(reply, &error,
+ DBUS_TYPE_STRING, &text,
+ DBUS_TYPE_INVALID)) {
+ log_error("Failed to parse reply: %s", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
+
+ fputs(text, stdout);
+
+ r = 0;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return r;
+}
+
+static int snapshot(DBusConnection *bus, char **args, unsigned n) {
+ DBusMessage *m = NULL, *reply = NULL;
+ DBusError error;
+ int r;
+ const char *name = "", *path, *id;
+ dbus_bool_t cleanup = FALSE;
+ DBusMessageIter iter, sub;
+ const char
+ *interface = "org.freedesktop.systemd1.Unit",
+ *property = "Id";
+
+ dbus_error_init(&error);
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "CreateSnapshot"))) {
+ log_error("Could not allocate message.");
+ return -ENOMEM;
+ }
+
+ if (n > 1)
+ name = args[1];
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_BOOLEAN, &cleanup,
+ 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", bus_error_message(&error));
+ 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", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_unref(m);
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.DBus.Properties",
+ "Get"))) {
+ log_error("Could not allocate message.");
+ return -ENOMEM;
+ }
+
+ 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", bus_error_message(&error));
+ 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, &id);
+
+ if (!arg_quiet)
+ puts(id);
+ r = 0;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ 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", bus_error_message(&error));
+ 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", bus_error_message(&error));
+ 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", bus_error_message(&error));
+ 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 daemon_reload(DBusConnection *bus, char **args, unsigned n) {
+ DBusMessage *m = NULL, *reply = NULL;
+ DBusError error;
+ int r;
+ const char *method;
+
+ dbus_error_init(&error);
+
+ if (arg_action == ACTION_RELOAD)
+ method = "Reload";
+ else if (arg_action == ACTION_REEXEC)
+ method = "Reexecute";
+ else {
+ assert(arg_action == ACTION_SYSTEMCTL);
+
+ method =
+ streq(args[0], "clear-jobs") ||
+ streq(args[0], "cancel") ? "ClearJobs" :
+ streq(args[0], "daemon-reexec") ? "Reexecute" :
+ streq(args[0], "reset-failed") ? "ResetFailed" :
+ streq(args[0], "halt") ? "Halt" :
+ streq(args[0], "poweroff") ? "PowerOff" :
+ streq(args[0], "reboot") ? "Reboot" :
+ streq(args[0], "kexec") ? "KExec" :
+ streq(args[0], "exit") ? "Exit" :
+ /* "daemon-reload" */ "Reload";
+ }
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ method))) {
+ log_error("Could not allocate message.");
+ return -ENOMEM;
+ }
+
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+
+ if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(&error)) {
+ /* There's always a fallback possible for
+ * legacy actions. */
+ r = -EADDRNOTAVAIL;
+ goto finish;
+ }
+
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
+
+ r = 0;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return r;
+}
+
+static int reset_failed(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 daemon_reload(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",
+ "ResetFailedUnit"))) {
+ 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", bus_error_message(&error));
+ 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;
+ DBusMessageIter iter, sub, sub2;
+ int r;
+ const char
+ *interface = "org.freedesktop.systemd1.Manager",
+ *property = "Environment";
+
+ dbus_error_init(&error);
+
+ pager_open();
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.DBus.Properties",
+ "Get"))) {
+ log_error("Could not allocate message.");
+ return -ENOMEM;
+ }
+
+ 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 (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
+ 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_ARRAY ||
+ dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_STRING) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_recurse(&sub, &sub2);
+
+ while (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_INVALID) {
+ const char *text;
+
+ if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_STRING) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_get_basic(&sub2, &text);
+ printf("%s\n", text);
+
+ dbus_message_iter_next(&sub2);
+ }
+
+ r = 0;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return r;
+}
+
+static int set_environment(DBusConnection *bus, char **args, unsigned n) {
+ DBusMessage *m = NULL, *reply = NULL;
+ DBusError error;
+ int r;
+ const char *method;
+ DBusMessageIter iter, sub;
+ unsigned i;
+
+ dbus_error_init(&error);
+
+ method = streq(args[0], "set-environment")
+ ? "SetEnvironment"
+ : "UnsetEnvironment";
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ method))) {
+
+ log_error("Could not allocate message.");
+ return -ENOMEM;
+ }
+
+ dbus_message_iter_init_append(m, &iter);
+
+ if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub)) {
+ 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;
+ for (i = 1; i < n; i++)
+ if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &args[i])) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_iter_close_container(&iter, &sub)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
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);
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
- dbus_message_unref(m);
- if (!(m = dbus_message_new_method_call(
- "org.freedesktop.systemd1",
- path,
- "org.freedesktop.DBus.Properties",
- "Get"))) {
- log_error("Could not allocate message.");
- return -ENOMEM;
+ r = 0;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return r;
+}
+
+typedef struct {
+ char *name;
+ char *path;
+
+ char **aliases;
+ char **wanted_by;
+} InstallInfo;
+
+static Hashmap *will_install = NULL, *have_installed = NULL;
+static Set *remove_symlinks_to = NULL;
+static unsigned n_symlinks = 0;
+
+static void install_info_free(InstallInfo *i) {
+ assert(i);
+
+ free(i->name);
+ free(i->path);
+ strv_free(i->aliases);
+ strv_free(i->wanted_by);
+ free(i);
+}
+
+static void install_info_hashmap_free(Hashmap *m) {
+ InstallInfo *i;
+
+ while ((i = hashmap_steal_first(m)))
+ install_info_free(i);
+
+ hashmap_free(m);
+}
+
+static int install_info_add(const char *name) {
+ InstallInfo *i;
+ int r;
+
+ assert(will_install);
+
+ if (!unit_name_is_valid_no_type(name, true)) {
+ log_warning("Unit name %s is not a valid unit name.", name);
+ return -EINVAL;
}
- 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.");
+ if (hashmap_get(have_installed, name) ||
+ hashmap_get(will_install, name))
+ return 0;
+
+ if (!(i = new0(InstallInfo, 1))) {
r = -ENOMEM;
- goto finish;
+ goto fail;
}
- 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 (!(i->name = strdup(name))) {
+ r = -ENOMEM;
+ goto fail;
}
- 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 ((r = hashmap_put(will_install, i->name, i)) < 0)
+ goto fail;
+
+ return 0;
+
+fail:
+ if (i)
+ install_info_free(i);
+
+ return r;
+}
+
+static int config_parse_also(
+ const char *filename,
+ unsigned line,
+ const char *section,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ char *w;
+ size_t l;
+ char *state;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ FOREACH_WORD_QUOTED(w, l, rvalue, state) {
+ char *n;
+ int r;
+
+ if (!(n = strndup(w, l)))
+ return -ENOMEM;
+
+ if ((r = install_info_add(n)) < 0) {
+ log_warning("Cannot install unit %s: %s", n, strerror(-r));
+ free(n);
+ return r;
+ }
+
+ free(n);
}
- dbus_message_iter_recurse(&iter, &sub);
+ return 0;
+}
+
+static int mark_symlink_for_removal(const char *p) {
+ char *n;
+ int r;
+
+ assert(p);
+ assert(path_is_absolute(p));
+
+ if (!remove_symlinks_to)
+ return 0;
+
+ if (!(n = strdup(p)))
+ return -ENOMEM;
+
+ path_kill_slashes(n);
+
+ if ((r = set_put(remove_symlinks_to, n)) < 0) {
+ free(n);
+ return r == -EEXIST ? 0 : r;
+ }
+
+ return 0;
+}
+
+static int remove_marked_symlinks_fd(int fd, const char *config_path, const char *root, bool *deleted) {
+ int r = 0;
+ DIR *d;
+ struct dirent *de;
+
+ assert(fd >= 0);
+ assert(root);
+ assert(deleted);
+
+ if (!(d = fdopendir(fd))) {
+ close_nointr_nofail(fd);
+ return -errno;
+ }
+
+ rewinddir(d);
+
+ while ((de = readdir(d))) {
+ bool is_dir = false, is_link = false;
+
+ if (ignore_file(de->d_name))
+ continue;
+
+ if (de->d_type == DT_LNK)
+ is_link = true;
+ else if (de->d_type == DT_DIR)
+ is_dir = true;
+ else if (de->d_type == DT_UNKNOWN) {
+ struct stat st;
+
+ if (fstatat(fd, de->d_name, &st, AT_SYMLINK_NOFOLLOW) < 0) {
+ log_error("Failed to stat %s/%s: %m", root, de->d_name);
+
+ if (r == 0)
+ r = -errno;
+ continue;
+ }
+
+ is_link = S_ISLNK(st.st_mode);
+ is_dir = S_ISDIR(st.st_mode);
+ } else
+ continue;
+
+ if (is_dir) {
+ int nfd, q;
+ char *p;
+
+ if ((nfd = openat(fd, de->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW)) < 0) {
+ log_error("Failed to open %s/%s: %m", root, de->d_name);
+
+ if (r == 0)
+ r = -errno;
+ continue;
+ }
+
+ if (asprintf(&p, "%s/%s", root, de->d_name) < 0) {
+ log_error("Failed to allocate directory string.");
+ close_nointr_nofail(nfd);
+ r = -ENOMEM;
+ break;
+ }
+
+ /* This will close nfd, regardless whether it succeeds or not */
+ q = remove_marked_symlinks_fd(nfd, config_path, p, deleted);
+ free(p);
+
+ if (r == 0)
+ r = q;
+
+ } else if (is_link) {
+ char *p, *dest, *c;
+ int q;
+
+ if (asprintf(&p, "%s/%s", root, de->d_name) < 0) {
+ log_error("Failed to allocate symlink string.");
+ r = -ENOMEM;
+ break;
+ }
+
+ if ((q = readlink_and_make_absolute(p, &dest)) < 0) {
+ log_error("Cannot read symlink %s: %s", p, strerror(-q));
+ free(p);
+
+ if (r == 0)
+ r = q;
+ continue;
+ }
+
+ if ((c = canonicalize_file_name(dest))) {
+ /* This might fail if the destination
+ * is already removed */
+
+ free(dest);
+ dest = c;
+ }
+
+ path_kill_slashes(dest);
+ if (set_get(remove_symlinks_to, dest)) {
+
+ if (!arg_quiet)
+ log_info("rm '%s'", p);
+
+ if (unlink(p) < 0) {
+ log_error("Cannot unlink symlink %s: %m", p);
+
+ if (r == 0)
+ r = -errno;
+ } else {
+ rmdir_parents(p, config_path);
+ path_kill_slashes(p);
+
+ if (!set_get(remove_symlinks_to, p)) {
+
+ if ((r = mark_symlink_for_removal(p)) < 0) {
+ if (r == 0)
+ r = q;
+ } else
+ *deleted = true;
+ }
+ }
+ }
+
+ free(p);
+ free(dest);
+ }
+ }
+
+ closedir(d);
+
+ return r;
+}
+
+static int remove_marked_symlinks(const char *config_path) {
+ int fd, r = 0;
+ bool deleted;
+
+ assert(config_path);
+
+ if (set_size(remove_symlinks_to) <= 0)
+ return 0;
+
+ if ((fd = open(config_path, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW)) < 0)
+ return -errno;
+
+ do {
+ int q, cfd;
+ deleted = false;
+
+ if ((cfd = dup(fd)) < 0) {
+ r = -errno;
+ break;
+ }
+
+ /* This takes possession of cfd and closes it */
+ if ((q = remove_marked_symlinks_fd(cfd, config_path, config_path, &deleted)) < 0) {
+ if (r == 0)
+ r = q;
+ }
+ } while (deleted);
+
+ close_nointr_nofail(fd);
+
+ return r;
+}
+
+static int create_symlink(const char *verb, const char *old_path, const char *new_path) {
+ int r;
+
+ assert(old_path);
+ assert(new_path);
+ assert(verb);
+
+ if (streq(verb, "enable")) {
+ char *dest;
+
+ mkdir_parents(new_path, 0755);
+
+ if (symlink(old_path, new_path) >= 0) {
+
+ if (!arg_quiet)
+ log_info("ln -s '%s' '%s'", old_path, new_path);
+
+ return 0;
+ }
+
+ if (errno != EEXIST) {
+ log_error("Cannot link %s to %s: %m", old_path, new_path);
+ return -errno;
+ }
+
+ if ((r = readlink_and_make_absolute(new_path, &dest)) < 0) {
+
+ if (errno == EINVAL) {
+ log_error("Cannot link %s to %s, file exists already and is not a symlink.", old_path, new_path);
+ return -EEXIST;
+ }
+
+ log_error("readlink() failed: %s", strerror(-r));
+ return r;
+ }
+
+ if (streq(dest, old_path)) {
+ free(dest);
+ return 0;
+ }
+
+ if (!arg_force) {
+ log_error("Cannot link %s to %s, symlink exists already and points to %s.", old_path, new_path, dest);
+ free(dest);
+ return -EEXIST;
+ }
+
+ free(dest);
+ unlink(new_path);
+
+ if (!arg_quiet)
+ log_info("ln -s '%s' '%s'", old_path, new_path);
+
+ if (symlink(old_path, new_path) >= 0)
+ return 0;
+
+ log_error("Cannot link %s to %s: %m", old_path, new_path);
+ return -errno;
+
+ } else if (streq(verb, "disable")) {
+ char *dest;
+
+ if ((r = mark_symlink_for_removal(old_path)) < 0)
+ return r;
+
+ if ((r = readlink_and_make_absolute(new_path, &dest)) < 0) {
+ if (errno == ENOENT)
+ return 0;
+
+ if (errno == EINVAL) {
+ log_warning("File %s not a symlink, ignoring.", old_path);
+ return 0;
+ }
+
+ log_error("readlink() failed: %s", strerror(-r));
+ return r;
+ }
+
+ if (!streq(dest, old_path)) {
+ log_warning("File %s not a symlink to %s but points to %s, ignoring.", new_path, old_path, dest);
+ free(dest);
+ return 0;
+ }
+
+ free(dest);
+
+ if ((r = mark_symlink_for_removal(new_path)) < 0)
+ return r;
+
+ if (!arg_quiet)
+ log_info("rm '%s'", new_path);
+
+ if (unlink(new_path) >= 0)
+ return 0;
+
+ log_error("Cannot unlink %s: %m", new_path);
+ return -errno;
+
+ } else if (streq(verb, "is-enabled")) {
+ char *dest;
+
+ if ((r = readlink_and_make_absolute(new_path, &dest)) < 0) {
+
+ if (errno == ENOENT || errno == EINVAL)
+ return 0;
+
+ log_error("readlink() failed: %s", strerror(-r));
+ return r;
+ }
+
+ if (streq(dest, old_path)) {
+ free(dest);
+ return 1;
+ }
+
+ return 0;
+ }
+
+ assert_not_reached("Unknown action.");
+}
+
+static int install_info_symlink_alias(const char *verb, InstallInfo *i, const char *config_path) {
+ char **s;
+ char *alias_path = NULL;
+ int r;
+
+ assert(verb);
+ assert(i);
+ assert(config_path);
+
+ STRV_FOREACH(s, i->aliases) {
+
+ free(alias_path);
+ if (!(alias_path = path_make_absolute(*s, config_path))) {
+ log_error("Out of memory");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if ((r = create_symlink(verb, i->path, alias_path)) != 0)
+ goto finish;
+
+ if (streq(verb, "disable"))
+ rmdir_parents(alias_path, config_path);
+ }
+ r = 0;
+
+finish:
+ free(alias_path);
+
+ return r;
+}
+
+static int install_info_symlink_wants(const char *verb, InstallInfo *i, const char *config_path) {
+ char **s;
+ char *alias_path = NULL;
+ int r;
+
+ assert(verb);
+ assert(i);
+ assert(config_path);
+
+ STRV_FOREACH(s, i->wanted_by) {
+ if (!unit_name_is_valid_no_type(*s, true)) {
+ log_error("Invalid name %s.", *s);
+ r = -EINVAL;
+ goto finish;
+ }
+
+ free(alias_path);
+ alias_path = NULL;
+
+ if (asprintf(&alias_path, "%s/%s.wants/%s", config_path, *s, i->name) < 0) {
+ log_error("Out of memory");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if ((r = create_symlink(verb, i->path, alias_path)) != 0)
+ goto finish;
- if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
- log_error("Failed to parse reply.");
- r = -EIO;
- goto finish;
+ if (streq(verb, "disable"))
+ rmdir_parents(alias_path, config_path);
}
- dbus_message_iter_get_basic(&sub, &id);
- puts(id);
r = 0;
finish:
- if (m)
- dbus_message_unref(m);
-
- if (reply)
- dbus_message_unref(reply);
-
- dbus_error_free(&error);
+ free(alias_path);
return r;
}
-static int clear_jobs(DBusConnection *bus, char **args, unsigned n) {
- DBusMessage *m = NULL, *reply = NULL;
- DBusError error;
+static int install_info_apply(const char *verb, LookupPaths *paths, InstallInfo *i, const char *config_path) {
+
+ const ConfigItem items[] = {
+ { "Alias", config_parse_strv, 0, &i->aliases, "Install" },
+ { "WantedBy", config_parse_strv, 0, &i->wanted_by, "Install" },
+ { "Also", config_parse_also, 0, NULL, "Install" },
+
+ { NULL, NULL, 0, NULL, NULL }
+ };
+
+ char **p;
+ char *filename = NULL;
+ FILE *f = NULL;
int r;
- const char *method;
- dbus_error_init(&error);
+ assert(paths);
+ assert(i);
- if (arg_action == ACTION_RELOAD)
- method = "Reload";
- else if (arg_action == ACTION_REEXEC)
- method = "Reexecute";
- else {
- assert(arg_action == ACTION_SYSTEMCTL);
+ STRV_FOREACH(p, paths->unit_path) {
+ int fd;
- method =
- streq(args[0], "clear-jobs") ? "ClearJobs" :
- streq(args[0], "daemon-reload") ? "Reload" :
- streq(args[0], "daemon-reexec") ? "Reexecute" :
- "Exit";
- }
+ if (!(filename = path_make_absolute(i->name, *p))) {
+ log_error("Out of memory");
+ return -ENOMEM;
+ }
- if (!(m = dbus_message_new_method_call(
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- method))) {
- log_error("Could not allocate message.");
- return -ENOMEM;
- }
+ /* Ensure that we don't follow symlinks */
+ if ((fd = open(filename, O_RDONLY|O_CLOEXEC|O_NOFOLLOW|O_NOCTTY)) >= 0)
+ if ((f = fdopen(fd, "re")))
+ break;
- if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ if (errno == ELOOP) {
+ log_error("Refusing to operate on symlinks, please pass unit names or absolute paths to unit files.");
+ free(filename);
+ return -errno;
+ }
- if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(&error)) {
- /* There's always a fallback possible for
- * legacy actions. */
- r = 0;
- goto finish;
+ if (errno != ENOENT) {
+ log_error("Failed to open %s: %m", filename);
+ free(filename);
+ return -errno;
}
- log_error("Failed to issue method call: %s", error.message);
- r = -EIO;
- goto finish;
+ free(filename);
+ filename = NULL;
}
- r = 1;
+ if (!f) {
+#if (defined(TARGET_FEDORA) || defined(TARGET_MANDRIVA)) && defined (HAVE_SYSV_COMPAT)
-finish:
- if (m)
- dbus_message_unref(m);
+ if (endswith(i->name, ".service")) {
+ char *sysv;
+ bool exists;
- if (reply)
- dbus_message_unref(reply);
+ if (asprintf(&sysv, SYSTEM_SYSVINIT_PATH "/%s", i->name) < 0) {
+ log_error("Out of memory");
+ return -ENOMEM;
+ }
- dbus_error_free(&error);
+ sysv[strlen(sysv) - sizeof(".service") + 1] = 0;
+ exists = access(sysv, F_OK) >= 0;
- return r;
-}
+ if (exists) {
+ pid_t pid;
+ siginfo_t status;
-static int show_enviroment(DBusConnection *bus, char **args, unsigned n) {
- DBusMessage *m = NULL, *reply = NULL;
- DBusError error;
- DBusMessageIter iter, sub, sub2;
- int r;
- const char
- *interface = "org.freedesktop.systemd1.Manager",
- *property = "Environment";
+ const char *argv[] = {
+ "/sbin/chkconfig",
+ NULL,
+ NULL,
+ NULL
+ };
- dbus_error_init(&error);
+ log_info("%s is not a native service, redirecting to /sbin/chkconfig.", i->name);
- if (!(m = dbus_message_new_method_call(
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.DBus.Properties",
- "Get"))) {
- log_error("Could not allocate message.");
- return -ENOMEM;
- }
+ argv[1] = file_name_from_path(sysv);
+ argv[2] =
+ streq(verb, "enable") ? "on" :
+ streq(verb, "disable") ? "off" : "--level=5";
- 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;
- }
+ log_info("Executing %s %s %s", argv[0], argv[1], strempty(argv[2]));
- 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 ((pid = fork()) < 0) {
+ log_error("Failed to fork: %m");
+ free(sysv);
+ return -errno;
+ } else if (pid == 0) {
+ execv(argv[0], (char**) argv);
+ _exit(EXIT_FAILURE);
+ }
- 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;
- }
+ free(sysv);
- dbus_message_iter_recurse(&iter, &sub);
+ if ((r = wait_for_terminate(pid, &status)) < 0)
+ return r;
- if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_ARRAY ||
- dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_STRING) {
- log_error("Failed to parse reply.");
- r = -EIO;
- goto finish;
- }
+ if (status.si_code == CLD_EXITED) {
- dbus_message_iter_recurse(&sub, &sub2);
+ if (streq(verb, "is-enabled"))
+ return status.si_status == 0 ? 1 : 0;
- while (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_INVALID) {
- const char *text;
+ if (status.si_status == 0)
+ n_symlinks ++;
- if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_STRING) {
- log_error("Failed to parse reply.");
- r = -EIO;
- goto finish;
+ return status.si_status == 0 ? 0 : -EINVAL;
+
+ } else
+ return -EPROTO;
+ }
+
+ free(sysv);
}
- dbus_message_iter_get_basic(&sub2, &text);
- printf("%s\n", text);
+#endif
- dbus_message_iter_next(&sub2);
+ log_error("Couldn't find %s.", i->name);
+ return -ENOENT;
}
- r = 0;
+ i->path = filename;
-finish:
- if (m)
- dbus_message_unref(m);
+ if ((r = config_parse(filename, f, NULL, items, true, i)) < 0) {
+ fclose(f);
+ return r;
+ }
- if (reply)
- dbus_message_unref(reply);
+ n_symlinks += strv_length(i->aliases);
+ n_symlinks += strv_length(i->wanted_by);
- dbus_error_free(&error);
+ fclose(f);
- return r;
+ if ((r = install_info_symlink_alias(verb, i, config_path)) != 0)
+ return r;
+
+ if ((r = install_info_symlink_wants(verb, i, config_path)) != 0)
+ return r;
+
+ if ((r = mark_symlink_for_removal(filename)) < 0)
+ return r;
+
+ if ((r = remove_marked_symlinks(config_path)) < 0)
+ return r;
+
+ return 0;
}
-static int set_environment(DBusConnection *bus, char **args, unsigned n) {
- DBusMessage *m = NULL, *reply = NULL;
+static char *get_config_path(void) {
+
+ if (arg_user && arg_global)
+ return strdup(USER_CONFIG_UNIT_PATH);
+
+ if (arg_user) {
+ char *p;
+
+ if (user_config_home(&p) < 0)
+ return NULL;
+
+ return p;
+ }
+
+ return strdup(SYSTEM_CONFIG_UNIT_PATH);
+}
+
+static int enable_unit(DBusConnection *bus, char **args, unsigned n) {
DBusError error;
int r;
- const char *method;
- DBusMessageIter iter, sub;
- unsigned i;
+ LookupPaths paths;
+ char *config_path = NULL;
+ unsigned j;
+ InstallInfo *i;
+ const char *verb = args[0];
dbus_error_init(&error);
- method = streq(args[0], "set-environment")
- ? "SetEnvironment"
- : "UnsetEnvironment";
-
- if (!(m = dbus_message_new_method_call(
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- method))) {
+ zero(paths);
+ if ((r = lookup_paths_init(&paths, arg_user ? MANAGER_USER : MANAGER_SYSTEM)) < 0) {
+ log_error("Failed to determine lookup paths: %s", strerror(-r));
+ goto finish;
+ }
- log_error("Could not allocate message.");
- return -ENOMEM;
+ if (!(config_path = get_config_path())) {
+ log_error("Failed to determine config path");
+ r = -ENOMEM;
+ goto finish;
}
- dbus_message_iter_init_append(m, &iter);
+ will_install = hashmap_new(string_hash_func, string_compare_func);
+ have_installed = hashmap_new(string_hash_func, string_compare_func);
- if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub)) {
- log_error("Could not append arguments to message.");
+ if (!will_install || !have_installed) {
+ log_error("Failed to allocate unit sets.");
r = -ENOMEM;
goto finish;
}
- for (i = 1; i < n; i++)
- if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &args[i])) {
- log_error("Could not append arguments to message.");
+ if (!arg_defaults && streq(verb, "disable"))
+ if (!(remove_symlinks_to = set_new(string_hash_func, string_compare_func))) {
+ log_error("Failed to allocate symlink sets.");
r = -ENOMEM;
goto finish;
}
- if (!dbus_message_iter_close_container(&iter, &sub)) {
- log_error("Could not append arguments to message.");
- r = -ENOMEM;
- goto finish;
- }
+ for (j = 1; j < n; j++)
+ if ((r = install_info_add(args[j])) < 0) {
+ log_warning("Cannot install unit %s: %s", args[j], strerror(-r));
+ 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;
+ r = 0;
+
+ while ((i = hashmap_first(will_install))) {
+ int q;
+
+ assert_se(hashmap_move_one(have_installed, will_install, i->name) == 0);
+
+ if ((q = install_info_apply(verb, &paths, i, config_path)) != 0) {
+
+ if (q < 0) {
+ if (r == 0)
+ r = q;
+ goto finish;
+ }
+
+ /* In test mode and found something */
+ r = 1;
+ break;
+ }
}
- r = 0;
+ if (streq(verb, "is-enabled"))
+ r = r > 0 ? 0 : -ENOENT;
+ else {
+ if (n_symlinks <= 0)
+ log_warning("Unit files contain no applicable installation information. Ignoring.");
+
+ if (bus &&
+ /* Don't try to reload anything if the user asked us to not do this */
+ !arg_no_reload &&
+ /* Don't try to reload anything when updating a unit globally */
+ !arg_global &&
+ /* Don't try to reload anything if we are called for system changes but the system wasn't booted with systemd */
+ (arg_user || sd_booted() > 0) &&
+ /* Don't try to reload anything if we are running in a chroot environment */
+ (arg_user || running_in_chroot() <= 0) ) {
+ int q;
+
+ if ((q = daemon_reload(bus, args, n)) < 0)
+ r = q;
+ }
+ }
finish:
- if (m)
- dbus_message_unref(m);
+ install_info_hashmap_free(will_install);
+ install_info_hashmap_free(have_installed);
- if (reply)
- dbus_message_unref(reply);
+ set_free_free(remove_symlinks_to);
- dbus_error_free(&error);
+ lookup_paths_free(&paths);
+
+ free(config_path);
return r;
}
static int systemctl_help(void) {
- printf("%s [options]\n\n"
- "Send control commands to the init daemon.\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"
- " --block Wait until operation finished\n"
- " --no-wall Don't send wall message before reboot/halt/power-off\n\n"
+ printf("%s [OPTIONS...] {COMMAND} ...\n\n"
+ "Send control commands to or query the systemd manager.\n\n"
+ " -h --help Show this help\n"
+ " --version Show package version\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"
+ " --failed Show only failed units\n"
+ " --full Don't ellipsize unit names on output\n"
+ " --fail When queueing a new job, fail if conflicting jobs are\n"
+ " pending\n"
+ " --ignore-dependencies\n"
+ " When queueing a new job, ignore all its dependencies\n"
+ " --kill-mode=MODE How to send signal\n"
+ " --kill-who=WHO Who to send signal to\n"
+ " -s --signal=SIGNAL Which signal to send\n"
+ " -H --host=[user@]host\n"
+ " Show information for remote host\n"
+ " -P --privileged Acquire privileges before execution\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"
+ " --no-reload When enabling/disabling unit files, don't reload daemon\n"
+ " configuration\n"
+ " --no-pager Do not pipe output into a pager.\n"
+ " --no-ask-password\n"
+ " Do not ask for system passwords\n"
+ " --order When generating graph for dot, show only order\n"
+ " --require When generating graph for dot, show only requirement\n"
+ " --system Connect to system manager\n"
+ " --user Connect to user service manager\n"
+ " --global Enable/disable unit files globally\n"
+ " -f --force When enabling unit files, override existing symlinks\n"
+ " When shutting down, execute action immediately\n"
+ " --defaults When disabling unit files, remove default symlinks only\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"
+ " start [NAME...] Start (activate) one or more units\n"
+ " stop [NAME...] Stop (deactivate) 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"
+ " kill [NAME...] Send signal to processes of a unit\n"
+ " is-active [NAME...] Check whether units are active\n"
+ " status [NAME...|PID...] Show runtime status of one or more units\n"
+ " show [NAME...|JOB...] Show properties of one or more\n"
+ " units/jobs or the manager\n"
+ " reset-failed [NAME...] Reset failed state for all, one, or more\n"
+ " units\n"
+ " enable [NAME...] Enable one or more unit files\n"
+ " disable [NAME...] Disable one or more unit files\n"
+ " is-enabled [NAME...] Check whether unit files are enabled\n"
+ " load [NAME...] Load one or more units\n"
+ " list-jobs List jobs\n"
+ " cancel [JOB...] Cancel all, one, or more 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"
- " daemon-reload Reload init daemon configuration\n"
- " daemon-reexecute Reexecute init daemon\n"
- " daemon-exit Ask the init daemon to quit\n"
+ " delete [NAME...] Remove one or more snapshots\n"
+ " daemon-reload Reload systemd manager configuration\n"
+ " daemon-reexec Reexecute systemd manager\n"
" show-environment Dump environment\n"
" set-environment [NAME=VALUE...] Set one or more environment variables\n"
" unset-environment [NAME...] Unset one or more environment variables\n"
+ " default Enter system default mode\n"
+ " rescue Enter system rescue mode\n"
+ " emergency Enter system emergency mode\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"
- " poweroff Shut down and power off the system\n"
- " default Enter default mode\n"
- " rescue Enter rescue mode\n"
- " emergency Enter emergency mode\n",
+ " kexec Shut down and reboot the system with kexec\n"
+ " exit Ask for user instance termination\n",
program_invocation_short_name);
return 0;
static int halt_help(void) {
- printf("%s [options]\n\n"
+ printf("%s [OPTIONS...]\n\n"
"%s the system.\n\n"
" --help Show this help\n"
" --halt Halt the machine\n"
" -p --poweroff Switch off the machine\n"
" --reboot Reboot the machine\n"
- " -f --force Force immediate reboot/halt/power-off\n"
- " -w --wtmp-only Don't reboot/halt/power-off, just write wtmp record\n"
+ " -f --force Force immediate halt/power-off/reboot\n"
+ " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
" -d --no-wtmp Don't write wtmp record\n"
- " -n --no-sync Don't sync before reboot/halt/power-off\n"
- " --no-wall Don't send wall message before reboot/halt/power-off\n",
+ " -n --no-sync Don't sync before halt/power-off/reboot\n"
+ " --no-wall Don't send wall message before halt/power-off/reboot\n",
program_invocation_short_name,
arg_action == ACTION_REBOOT ? "Reboot" :
arg_action == ACTION_POWEROFF ? "Power off" :
static int shutdown_help(void) {
- printf("%s [options] [IGNORED] [WALL...]\n\n"
+ printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
"Shut down the system.\n\n"
" --help Show this help\n"
" -H --halt Halt the machine\n"
" -P --poweroff Power-off the machine\n"
" -r --reboot Reboot the machine\n"
" -h Equivalent to --poweroff, overriden by --halt\n"
- " -k Don't reboot/halt/power-off, just send warnings\n"
- " --no-wall Don't send wall message before reboot/halt/power-off\n",
+ " -k Don't halt/power-off/reboot, just send warnings\n"
+ " --no-wall Don't send wall message before halt/power-off/reboot\n"
+ " -c Cancel a pending shutdown\n",
program_invocation_short_name);
return 0;
static int telinit_help(void) {
- printf("%s [options]\n\n"
+ printf("%s [OPTIONS...] {COMMAND}\n\n"
"Send control commands to the init daemon.\n\n"
" --help Show this help\n"
- " --no-wall Don't send wall message before reboot/halt/power-off\n\n"
+ " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
"Commands:\n"
" 0 Power-off the machine\n"
" 6 Reboot the machine\n"
static int runlevel_help(void) {
- printf("%s [options]\n\n"
+ printf("%s [OPTIONS...]\n\n"
"Prints the previous and current runlevel of the init system.\n\n"
" --help Show this help\n",
program_invocation_short_name);
static int systemctl_parse_argv(int argc, char *argv[]) {
enum {
- ARG_REPLACE = 0x100,
- ARG_SESSION,
+ ARG_FAIL = 0x100,
+ ARG_IGNORE_DEPENDENCIES,
+ ARG_VERSION,
+ ARG_USER,
ARG_SYSTEM,
- ARG_BLOCK,
- ARG_NO_WALL
+ ARG_GLOBAL,
+ ARG_NO_BLOCK,
+ ARG_NO_PAGER,
+ ARG_NO_WALL,
+ ARG_ORDER,
+ ARG_REQUIRE,
+ ARG_FULL,
+ ARG_NO_RELOAD,
+ ARG_DEFAULTS,
+ ARG_KILL_MODE,
+ ARG_KILL_WHO,
+ ARG_NO_ASK_PASSWORD,
+ ARG_FAILED
+ };
+
+ static const struct option options[] = {
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, ARG_VERSION },
+ { "type", required_argument, NULL, 't' },
+ { "property", required_argument, NULL, 'p' },
+ { "all", no_argument, NULL, 'a' },
+ { "failed", no_argument, NULL, ARG_FAILED },
+ { "full", no_argument, NULL, ARG_FULL },
+ { "fail", no_argument, NULL, ARG_FAIL },
+ { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES },
+ { "user", no_argument, NULL, ARG_USER },
+ { "system", no_argument, NULL, ARG_SYSTEM },
+ { "global", no_argument, NULL, ARG_GLOBAL },
+ { "no-block", no_argument, NULL, ARG_NO_BLOCK },
+ { "no-pager", no_argument, NULL, ARG_NO_PAGER },
+ { "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 },
+ { "force", no_argument, NULL, 'f' },
+ { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
+ { "defaults", no_argument, NULL, ARG_DEFAULTS },
+ { "kill-mode", required_argument, NULL, ARG_KILL_MODE },
+ { "kill-who", required_argument, NULL, ARG_KILL_WHO },
+ { "signal", required_argument, NULL, 's' },
+ { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
+ { "host", required_argument, NULL, 'H' },
+ { "privileged",no_argument, NULL, 'P' },
+ { NULL, 0, NULL, 0 }
};
- static const struct option options[] = {
- { "help", no_argument, NULL, 'h' },
- { "type", required_argument, NULL, 't' },
- { "all", no_argument, NULL, 'a' },
- { "replace", no_argument, NULL, ARG_REPLACE },
- { "session", no_argument, NULL, ARG_SESSION },
- { "system", no_argument, NULL, ARG_SYSTEM },
- { "block", no_argument, NULL, ARG_BLOCK },
- { "no-wall", no_argument, NULL, ARG_NO_WALL },
- { NULL, 0, NULL, 0 }
- };
+ int c;
+
+ assert(argc >= 0);
+ assert(argv);
+
+ /* Only when running as systemctl we ask for passwords */
+ arg_ask_password = true;
+
+ while ((c = getopt_long(argc, argv, "ht:p:aqfs:H:P", options, NULL)) >= 0) {
+
+ switch (c) {
+
+ case 'h':
+ systemctl_help();
+ return 0;
+
+ case ARG_VERSION:
+ puts(PACKAGE_STRING);
+ puts(DISTRIBUTION);
+ puts(SYSTEMD_FEATURES);
+ return 0;
+
+ case 't':
+ arg_type = optarg;
+ break;
+
+ case 'p': {
+ char **l;
+
+ if (!(l = strv_append(arg_property, optarg)))
+ return -ENOMEM;
+
+ strv_free(arg_property);
+ arg_property = l;
+
+ /* 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_FAIL:
+ arg_job_mode = "fail";
+ break;
+
+ case ARG_IGNORE_DEPENDENCIES:
+ arg_job_mode = "ignore-dependencies";
+ break;
+
+ case ARG_USER:
+ arg_user = true;
+ break;
+
+ case ARG_SYSTEM:
+ arg_user = false;
+ break;
+
+ case ARG_NO_BLOCK:
+ arg_no_block = true;
+ break;
+
+ case ARG_NO_PAGER:
+ arg_no_pager = true;
+ break;
+
+ case ARG_NO_WALL:
+ 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;
- int c;
+ case ARG_FAILED:
+ arg_failed = true;
+ break;
- assert(argc >= 0);
- assert(argv);
+ case 'q':
+ arg_quiet = true;
+ break;
- while ((c = getopt_long(argc, argv, "hta", options, NULL)) >= 0) {
+ case 'f':
+ arg_force = true;
+ break;
- switch (c) {
+ case ARG_NO_RELOAD:
+ arg_no_reload = true;
+ break;
- case 'h':
- systemctl_help();
- return 0;
+ case ARG_GLOBAL:
+ arg_global = true;
+ arg_user = true;
+ break;
- case 't':
- arg_type = optarg;
+ case ARG_DEFAULTS:
+ arg_defaults = true;
break;
- case 'a':
- arg_all = true;
+ case ARG_KILL_WHO:
+ arg_kill_who = optarg;
break;
- case ARG_REPLACE:
- arg_replace = true;
+ case ARG_KILL_MODE:
+ arg_kill_mode = optarg;
break;
- case ARG_SESSION:
- arg_session = true;
+ case 's':
+ if ((arg_signal = signal_from_string_try_harder(optarg)) < 0) {
+ log_error("Failed to parse signal string %s.", optarg);
+ return -EINVAL;
+ }
break;
- case ARG_SYSTEM:
- arg_session = false;
+ case ARG_NO_ASK_PASSWORD:
+ arg_ask_password = false;
break;
- case ARG_BLOCK:
- arg_block = true;
+ case 'P':
+ arg_transport = TRANSPORT_POLKIT;
break;
- case ARG_NO_WALL:
- arg_no_wall = true;
+ case 'H':
+ arg_transport = TRANSPORT_SSH;
+ arg_host = optarg;
break;
case '?':
}
}
+ if (arg_transport != TRANSPORT_NORMAL && arg_user) {
+ log_error("Cannot access user instance remotely.");
+ return -EINVAL;
+ }
+
return 1;
}
break;
case 'p':
- arg_action = ACTION_POWEROFF;
+ if (arg_action != ACTION_REBOOT)
+ arg_action = ACTION_POWEROFF;
break;
case ARG_REBOOT:
return 1;
}
+static int parse_time_spec(const char *t, usec_t *_u) {
+ assert(t);
+ assert(_u);
+
+ if (streq(t, "now"))
+ *_u = 0;
+ else if (t[0] == '+') {
+ uint64_t u;
+
+ if (safe_atou64(t + 1, &u) < 0)
+ return -EINVAL;
+
+ *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u;
+ } else {
+ char *e = NULL;
+ long hour, minute;
+ struct tm tm;
+ time_t s;
+ usec_t n;
+
+ errno = 0;
+ hour = strtol(t, &e, 10);
+ if (errno != 0 || *e != ':' || hour < 0 || hour > 23)
+ return -EINVAL;
+
+ minute = strtol(e+1, &e, 10);
+ if (errno != 0 || *e != 0 || minute < 0 || minute > 59)
+ return -EINVAL;
+
+ n = now(CLOCK_REALTIME);
+ s = (time_t) (n / USEC_PER_SEC);
+
+ zero(tm);
+ assert_se(localtime_r(&s, &tm));
+
+ tm.tm_hour = (int) hour;
+ tm.tm_min = (int) minute;
+ tm.tm_sec = 0;
+
+ assert_se(s = mktime(&tm));
+
+ *_u = (usec_t) s * USEC_PER_SEC;
+
+ while (*_u <= n)
+ *_u += USEC_PER_DAY;
+ }
+
+ return 0;
+}
+
+static bool kexec_loaded(void) {
+ bool loaded = false;
+ char *s;
+
+ if (read_one_line_file("/sys/kernel/kexec_loaded", &s) >= 0) {
+ if (s[0] == '1')
+ loaded = true;
+ free(s);
+ }
+ return loaded;
+}
+
static int shutdown_parse_argv(int argc, char *argv[]) {
enum {
{ NULL, 0, NULL, 0 }
};
- int c;
+ int c, r;
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "HPrhkt:a", options, NULL)) >= 0) {
+ while ((c = getopt_long(argc, argv, "HPrhkt:afFc", options, NULL)) >= 0) {
switch (c) {
case ARG_HELP:
break;
case 'r':
- arg_action = ACTION_REBOOT;
+ if (kexec_loaded())
+ arg_action = ACTION_KEXEC;
+ else
+ arg_action = ACTION_REBOOT;
break;
case 'h':
/* Compatibility nops */
break;
+ case 'c':
+ arg_action = ACTION_CANCEL_SHUTDOWN;
+ break;
+
case '?':
return -EINVAL;
}
}
- /* We ignore the time argument */
+ if (argc > optind) {
+ if ((r = parse_time_spec(argv[optind], &arg_when)) < 0) {
+ log_error("Failed to parse time specification: %s", argv[optind]);
+ return r;
+ }
+ } else
+ arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
+
+ /* We skip the time argument */
if (argc > optind + 1)
arg_wall = argv + optind + 1;
optind = argc;
return 1;
-
}
static int telinit_parse_argv(int argc, char *argv[]) {
}
if (optind >= argc) {
- log_error("Argument missing.");
+ telinit_help();
return -EINVAL;
}
arg_action = ACTION_POWEROFF;
return halt_parse_argv(argc, argv);
} else if (strstr(program_invocation_short_name, "reboot")) {
- arg_action = ACTION_REBOOT;
+ if (kexec_loaded())
+ arg_action = ACTION_KEXEC;
+ else
+ arg_action = ACTION_REBOOT;
return halt_parse_argv(argc, argv);
} else if (strstr(program_invocation_short_name, "shutdown")) {
arg_action = ACTION_POWEROFF;
return shutdown_parse_argv(argc, argv);
} else if (strstr(program_invocation_short_name, "init")) {
- arg_action = ACTION_INVALID;
- return telinit_parse_argv(argc, argv);
+
+ if (sd_booted() > 0) {
+ arg_action = ACTION_INVALID;
+ return telinit_parse_argv(argc, argv);
+ } else {
+ /* Hmm, so some other init system is
+ * running, we need to forward this
+ * request to it. For now we simply
+ * guess that it is Upstart. */
+
+ execv("/lib/upstart/telinit", argv);
+
+ log_error("Couldn't find an alternative telinit implementation to spawn.");
+ return -EIO;
+ }
+
} else if (strstr(program_invocation_short_name, "runlevel")) {
arg_action = ACTION_RUNLEVEL;
return runlevel_parse_argv(argc, argv);
return systemctl_parse_argv(argc, argv);
}
-static int talk_upstart(DBusConnection *bus) {
- log_error("Talking upstart");
- return 0;
+static int action_to_runlevel(void) {
+
+ static const char table[_ACTION_MAX] = {
+ [ACTION_HALT] = '0',
+ [ACTION_POWEROFF] = '0',
+ [ACTION_REBOOT] = '6',
+ [ACTION_RUNLEVEL2] = '2',
+ [ACTION_RUNLEVEL3] = '3',
+ [ACTION_RUNLEVEL4] = '4',
+ [ACTION_RUNLEVEL5] = '5',
+ [ACTION_RESCUE] = '1'
+ };
+
+ assert(arg_action < _ACTION_MAX);
+
+ return table[arg_action];
+}
+
+static int talk_upstart(void) {
+ DBusMessage *m = NULL, *reply = NULL;
+ DBusError error;
+ int previous, rl, r;
+ char
+ env1_buf[] = "RUNLEVEL=X",
+ env2_buf[] = "PREVLEVEL=X";
+ char *env1 = env1_buf, *env2 = env2_buf;
+ const char *emit = "runlevel";
+ dbus_bool_t b_false = FALSE;
+ DBusMessageIter iter, sub;
+ DBusConnection *bus;
+
+ dbus_error_init(&error);
+
+ if (!(rl = action_to_runlevel()))
+ return 0;
+
+ if (utmp_get_runlevel(&previous, NULL) < 0)
+ previous = 'N';
+
+ 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;
+ }
+
+ log_error("Failed to connect to Upstart bus: %s", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
+
+ if ((r = bus_check_peercred(bus)) < 0) {
+ log_error("Failed to verify owner of bus.");
+ goto finish;
+ }
+
+ if (!(m = dbus_message_new_method_call(
+ "com.ubuntu.Upstart",
+ "/com/ubuntu/Upstart",
+ "com.ubuntu.Upstart0_6",
+ "EmitEvent"))) {
+
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ dbus_message_iter_init_append(m, &iter);
+
+ env1_buf[sizeof(env1_buf)-2] = rl;
+ env2_buf[sizeof(env2_buf)-2] = previous;
+
+ if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &emit) ||
+ !dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub) ||
+ !dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &env1) ||
+ !dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &env2) ||
+ !dbus_message_iter_close_container(&iter, &sub) ||
+ !dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &b_false)) {
+ 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 (error_is_no_service(&error)) {
+ r = -EADDRNOTAVAIL;
+ goto finish;
+ }
+
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
+
+ r = 0;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ if (bus) {
+ dbus_connection_flush(bus);
+ dbus_connection_close(bus);
+ dbus_connection_unref(bus);
+ }
+
+ dbus_error_free(&error);
+
+ return r;
}
static int talk_initctl(void) {
- log_error("Talking initctl");
- return 0;
+ struct init_request request;
+ int r, fd;
+ char rl;
+
+ if (!(rl = action_to_runlevel()))
+ return 0;
+
+ zero(request);
+ request.magic = INIT_MAGIC;
+ request.sleeptime = 0;
+ request.cmd = INIT_CMD_RUNLVL;
+ request.runlevel = rl;
+
+ if ((fd = open(INIT_FIFO, O_WRONLY|O_NDELAY|O_CLOEXEC|O_NOCTTY)) < 0) {
+
+ if (errno == ENOENT)
+ return 0;
+
+ log_error("Failed to open "INIT_FIFO": %m");
+ return -errno;
+ }
+
+ errno = 0;
+ r = loop_write(fd, &request, sizeof(request), false) != sizeof(request);
+ close_nointr_nofail(fd);
+
+ if (r < 0) {
+ log_error("Failed to write to "INIT_FIFO": %m");
+ return errno ? -errno : -EIO;
+ }
+
+ return 1;
}
-static int systemctl_main(DBusConnection *bus, int argc, char *argv[]) {
+static int systemctl_main(DBusConnection *bus, int argc, char *argv[], DBusError *error) {
static const struct {
const char* verb;
const int argc;
int (* const dispatch)(DBusConnection *bus, char **args, unsigned n);
} verbs[] = {
- { "list-units", LESS, 1, list_units },
- { "list-jobs", EQUAL, 1, list_jobs },
- { "clear-jobs", EQUAL, 1, clear_jobs },
- { "load", MORE, 2, load_unit },
- { "cancel", MORE, 2, cancel_job },
- { "start", MORE, 2, start_unit },
- { "stop", MORE, 2, start_unit },
- { "reload", MORE, 2, start_unit },
- { "restart", MORE, 2, start_unit },
- { "isolate", EQUAL, 2, start_unit },
- { "monitor", EQUAL, 1, monitor },
- { "dump", EQUAL, 1, dump },
- { "snapshot", LESS, 2, snapshot },
- { "daemon-reload", EQUAL, 1, clear_jobs },
- { "daemon-reexec", EQUAL, 1, clear_jobs },
- { "daemon-exit", EQUAL, 1, clear_jobs },
- { "show-environment", EQUAL, 1, show_enviroment },
- { "set-environment", MORE, 2, set_environment },
- { "unset-environment", MORE, 2, set_environment },
- { "halt", EQUAL, 1, start_special },
- { "poweroff", EQUAL, 1, start_special },
- { "reboot", EQUAL, 1, start_special },
- { "default", EQUAL, 1, start_special },
- { "rescue", EQUAL, 1, start_special },
- { "emergency", EQUAL, 1, start_special },
+ { "list-units", LESS, 1, list_units },
+ { "list-jobs", EQUAL, 1, list_jobs },
+ { "clear-jobs", EQUAL, 1, daemon_reload },
+ { "load", MORE, 2, load_unit },
+ { "cancel", MORE, 2, cancel_job },
+ { "start", MORE, 2, start_unit },
+ { "stop", MORE, 2, start_unit },
+ { "condstop", MORE, 2, start_unit }, /* For compatibility with ALTLinux */
+ { "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 },
+ { "force-reload", MORE, 2, start_unit }, /* For compatibility with SysV */
+ { "condreload", MORE, 2, start_unit }, /* For compatibility with ALTLinux */
+ { "condrestart", MORE, 2, start_unit }, /* For compatibility with RH */
+ { "isolate", EQUAL, 2, start_unit },
+ { "kill", MORE, 2, kill_unit },
+ { "is-active", MORE, 2, check_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, daemon_reload },
+ { "daemon-reexec", EQUAL, 1, daemon_reload },
+ { "show-environment", EQUAL, 1, show_enviroment },
+ { "set-environment", MORE, 2, set_environment },
+ { "unset-environment", MORE, 2, set_environment },
+ { "halt", EQUAL, 1, start_special },
+ { "poweroff", EQUAL, 1, start_special },
+ { "reboot", EQUAL, 1, start_special },
+ { "kexec", EQUAL, 1, start_special },
+ { "default", EQUAL, 1, start_special },
+ { "rescue", EQUAL, 1, start_special },
+ { "emergency", EQUAL, 1, start_special },
+ { "exit", EQUAL, 1, start_special },
+ { "reset-failed", MORE, 1, reset_failed },
+ { "enable", MORE, 2, enable_unit },
+ { "disable", MORE, 2, enable_unit },
+ { "is-enabled", MORE, 2, enable_unit }
};
int left;
unsigned i;
- assert(bus);
assert(argc >= 0);
assert(argv);
+ assert(error);
left = argc - optind;
/* Special rule: no arguments means "list-units" */
i = 0;
else {
+ if (streq(argv[optind], "help")) {
+ systemctl_help();
+ return 0;
+ }
+
for (i = 0; i < ELEMENTSOF(verbs); i++)
if (streq(argv[optind], verbs[i].verb))
break;
assert_not_reached("Unknown comparison operator.");
}
+ /* Require a bus connection for all operations but
+ * enable/disable */
+ if (!streq(verbs[i].verb, "enable") && !streq(verbs[i].verb, "disable")) {
+
+ if (running_in_chroot() > 0) {
+ log_info("Running in chroot, ignoring request.");
+ return 0;
+ }
+
+ if (!bus) {
+ log_error("Failed to get D-Bus connection: %s", error->message);
+ return -EIO;
+ }
+ }
+
return verbs[i].dispatch(bus, argv + optind, left);
}
+static int send_shutdownd(usec_t t, char mode, bool warn, const char *message) {
+ int fd = -1;
+ struct msghdr msghdr;
+ struct iovec iovec;
+ union sockaddr_union sockaddr;
+ struct shutdownd_command c;
+
+ zero(c);
+ c.elapse = t;
+ c.mode = mode;
+ c.warn_wall = warn;
+
+ if (message)
+ strncpy(c.wall_message, message, sizeof(c.wall_message));
+
+ if ((fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0)) < 0)
+ return -errno;
+
+ zero(sockaddr);
+ sockaddr.sa.sa_family = AF_UNIX;
+ sockaddr.un.sun_path[0] = 0;
+ strncpy(sockaddr.un.sun_path, "/run/systemd/shutdownd", sizeof(sockaddr.un.sun_path));
+
+ zero(iovec);
+ iovec.iov_base = (char*) &c;
+ iovec.iov_len = sizeof(c);
+
+ zero(msghdr);
+ msghdr.msg_name = &sockaddr;
+ msghdr.msg_namelen = offsetof(struct sockaddr_un, sun_path) + sizeof("/run/systemd/shutdownd") - 1;
+
+ msghdr.msg_iov = &iovec;
+ msghdr.msg_iovlen = 1;
+
+ if (sendmsg(fd, &msghdr, MSG_NOSIGNAL) < 0) {
+ close_nointr_nofail(fd);
+ return -errno;
+ }
+
+ close_nointr_nofail(fd);
+ return 0;
+}
+
static int reload_with_fallback(DBusConnection *bus) {
- int r;
if (bus) {
/* First, try systemd via D-Bus. */
- if ((r = clear_jobs(bus, NULL, 0)) > 0)
+ if (daemon_reload(bus, NULL, 0) > 0)
return 0;
}
}
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;
-
- /* 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(bus)) > 0)
- return 0;
+ if (start_unit(bus, NULL, 0) >= 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 (talk_upstart() > 0)
+ goto done;
+
/* Nothing else worked, so let's try
* /dev/initctl */
- return talk_initctl();
+ if (talk_initctl() > 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 be root.");
+ return -EPERM;
+ }
+
+ if (arg_when > 0) {
+ char *m;
+ char date[FORMAT_TIMESTAMP_MAX];
+
+ m = strv_join(arg_wall, " ");
+ r = send_shutdownd(arg_when,
+ arg_action == ACTION_HALT ? 'H' :
+ arg_action == ACTION_POWEROFF ? 'P' :
+ 'r',
+ !arg_no_wall,
+ m);
+ free(m);
+
+ if (r < 0)
+ log_warning("Failed to talk to shutdownd, proceeding with immediate shutdown: %s", strerror(-r));
+ else {
+ log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.",
+ format_timestamp(date, sizeof(date), arg_when));
+ return 0;
+ }
+ }
+
+ if (!arg_dry && !arg_immediate)
return start_with_fallback(bus);
- if (!arg_no_wtmp)
- if ((r = utmp_put_shutdown(0)) < 0)
+ if (!arg_no_wtmp) {
+ if (sd_booted() > 0)
+ log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
+ else if ((r = utmp_put_shutdown(0)) < 0)
log_warning("Failed to write utmp record: %s", strerror(-r));
+ }
if (!arg_no_sync)
sync();
switch (arg_action) {
case ACTION_HALT:
- log_info("Halting");
+ log_info("Halting.");
reboot(RB_HALT_SYSTEM);
break;
case ACTION_POWEROFF:
- log_info("Powering off");
+ log_info("Powering off.");
reboot(RB_POWER_OFF);
break;
case ACTION_REBOOT:
- log_info("Rebooting");
+ log_info("Rebooting.");
reboot(RB_AUTOBOOT);
break;
int r, runlevel, previous;
if ((r = utmp_get_runlevel(&runlevel, &previous)) < 0) {
- printf("unknown");
+ printf("unknown\n");
return r;
}
return 0;
}
+static void pager_open(void) {
+ int fd[2];
+ const char *pager;
+ pid_t parent_pid;
+
+ if (pager_pid > 0)
+ return;
+
+ if (!on_tty() || arg_no_pager)
+ return;
+
+ if ((pager = getenv("PAGER")))
+ if (!*pager || streq(pager, "cat"))
+ return;
+
+ /* Determine and cache number of columns before we spawn the
+ * pager so that we get the value from the actual tty */
+ columns();
+
+ if (pipe(fd) < 0) {
+ log_error("Failed to create pager pipe: %m");
+ return;
+ }
+
+ parent_pid = getpid();
+
+ pager_pid = fork();
+ if (pager_pid < 0) {
+ log_error("Failed to fork pager: %m");
+ close_pipe(fd);
+ return;
+ }
+
+ /* In the child start the pager */
+ if (pager_pid == 0) {
+
+ dup2(fd[0], STDIN_FILENO);
+ close_pipe(fd);
+
+ setenv("LESS", "FRSX", 0);
+
+ /* Make sure the pager goes away when the parent dies */
+ if (prctl(PR_SET_PDEATHSIG, SIGTERM) < 0)
+ _exit(EXIT_FAILURE);
+
+ /* Check whether our parent died before we were able
+ * to set the death signal */
+ if (getppid() != parent_pid)
+ _exit(EXIT_SUCCESS);
+
+ if (pager) {
+ execlp(pager, pager, NULL);
+ execl("/bin/sh", "sh", "-c", pager, NULL);
+ } else {
+ /* Debian's alternatives command for pagers is
+ * called 'pager'. Note that we do not call
+ * sensible-pagers here, since that is just a
+ * shell script that implements a logic that
+ * is similar to this one anyway, but is
+ * Debian-specific. */
+ execlp("pager", "pager", NULL);
+
+ execlp("less", "less", NULL);
+ execlp("more", "more", NULL);
+ }
+
+ log_error("Unable to execute pager: %m");
+ _exit(EXIT_FAILURE);
+ }
+
+ /* Return in the parent */
+ if (dup2(fd[1], STDOUT_FILENO) < 0)
+ log_error("Failed to duplicate pager pipe: %m");
+
+ close_pipe(fd);
+}
+
+static void pager_close(void) {
+ siginfo_t dummy;
+
+ if (pager_pid <= 0)
+ return;
+
+ /* Inform pager that we are done */
+ fclose(stdout);
+ kill(pager_pid, SIGCONT);
+ wait_for_terminate(pager_pid, &dummy);
+ pager_pid = 0;
+}
+
+static void agent_close(void) {
+ siginfo_t dummy;
+
+ if (agent_pid <= 0)
+ return;
+
+ /* Inform agent that we are done */
+ kill(agent_pid, SIGTERM);
+ kill(agent_pid, SIGCONT);
+ wait_for_terminate(agent_pid, &dummy);
+ agent_pid = 0;
+}
+
int main(int argc, char*argv[]) {
- int r, retval = 1;
+ int r, retval = EXIT_FAILURE;
DBusConnection *bus = NULL;
DBusError error;
dbus_error_init(&error);
log_parse_environment();
+ log_open();
if ((r = parse_argv(argc, argv)) < 0)
goto finish;
else if (r == 0) {
- retval = 0;
+ retval = EXIT_SUCCESS;
goto finish;
}
/* /sbin/runlevel doesn't need to communicate via D-Bus, so
* let's shortcut this */
if (arg_action == ACTION_RUNLEVEL) {
- retval = runlevel_main() < 0;
+ r = runlevel_main();
+ retval = r < 0 ? EXIT_FAILURE : r;
goto finish;
}
- if ((bus = dbus_bus_get(arg_session ? DBUS_BUS_SESSION : DBUS_BUS_SYSTEM, &error)))
- dbus_connection_set_exit_on_disconnect(bus, FALSE);
-
- switch (arg_action) {
+ if (running_in_chroot() > 0 && arg_action != ACTION_SYSTEMCTL) {
+ log_info("Running in chroot, ignoring request.");
+ retval = 0;
+ goto finish;
+ }
- case ACTION_SYSTEMCTL: {
+ if (arg_transport == TRANSPORT_NORMAL)
+ bus_connect(arg_user ? DBUS_BUS_SESSION : DBUS_BUS_SYSTEM, &bus, &private_bus, &error);
+ else if (arg_transport == TRANSPORT_POLKIT) {
+ bus_connect_system_polkit(&bus, &error);
+ private_bus = false;
+ } else if (arg_transport == TRANSPORT_SSH) {
+ bus_connect_system_ssh(NULL, arg_host, &bus, &error);
+ private_bus = false;
+ } else
+ assert_not_reached("Uh, invalid transport...");
- if (!bus) {
- log_error("Failed to get D-Bus connection: %s", error.message);
- goto finish;
- }
+ switch (arg_action) {
- retval = systemctl_main(bus, argc, argv) < 0;
+ case ACTION_SYSTEMCTL:
+ r = systemctl_main(bus, argc, argv, &error);
break;
- }
case ACTION_HALT:
case ACTION_POWEROFF:
case ACTION_REBOOT:
- retval = halt_main(bus) < 0;
+ case ACTION_KEXEC:
+ r = halt_main(bus);
break;
case ACTION_RUNLEVEL2:
case ACTION_RUNLEVEL5:
case ACTION_RESCUE:
case ACTION_EMERGENCY:
- retval = start_with_fallback(bus) < 0;
+ case ACTION_DEFAULT:
+ r = start_with_fallback(bus);
break;
case ACTION_RELOAD:
case ACTION_REEXEC:
- retval = reload_with_fallback(bus) < 0;
+ r = reload_with_fallback(bus);
+ break;
+
+ case ACTION_CANCEL_SHUTDOWN:
+ r = send_shutdownd(0, 0, false, NULL);
break;
+ case ACTION_INVALID:
+ case ACTION_RUNLEVEL:
default:
assert_not_reached("Unknown action");
}
+ retval = r < 0 ? EXIT_FAILURE : r;
+
finish:
- if (bus)
+ if (bus) {
+ dbus_connection_flush(bus);
+ dbus_connection_close(bus);
dbus_connection_unref(bus);
+ }
dbus_error_free(&error);
dbus_shutdown();
+ strv_free(arg_property);
+
+ pager_close();
+ agent_close();
+
return retval;
}
~ianmdlvl / elogind.git / blobdiff