-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2010 Lennart Poettering
- Copyright 2013 Marc-Antoine Perennou
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <sys/reboot.h>
-#include <linux/reboot.h>
-#include <stdio.h>
-#include <getopt.h>
-#include <locale.h>
-#include <stdbool.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/socket.h>
-#include <stddef.h>
-
-#include "sd-daemon.h"
-#include "sd-shutdown.h"
-#include "sd-login.h"
-#include "sd-bus.h"
-#include "log.h"
-#include "util.h"
-#include "macro.h"
-#include "set.h"
-#include "utmp-wtmp.h"
-#include "special.h"
-#include "initreq.h"
-#include "path-util.h"
-#include "strv.h"
-#include "cgroup-show.h"
-#include "cgroup-util.h"
-#include "list.h"
-#include "path-lookup.h"
-#include "exit-status.h"
-#include "build.h"
-#include "unit-name.h"
-#include "pager.h"
-#include "spawn-ask-password-agent.h"
-#include "spawn-polkit-agent.h"
-#include "install.h"
-#include "logs-show.h"
-#include "socket-util.h"
-#include "fileio.h"
-#include "copy.h"
-#include "env-util.h"
-#include "bus-util.h"
-#include "bus-message.h"
-#include "bus-error.h"
-#include "bus-common-errors.h"
-#include "mkdir.h"
-#include "dropin.h"
-
-static char **arg_types = NULL;
-static char **arg_states = NULL;
-static char **arg_properties = NULL;
-static bool arg_all = false;
-static enum dependency {
- DEPENDENCY_FORWARD,
- DEPENDENCY_REVERSE,
- DEPENDENCY_AFTER,
- DEPENDENCY_BEFORE,
- _DEPENDENCY_MAX
-} arg_dependency = DEPENDENCY_FORWARD;
-static const char *arg_job_mode = "replace";
-static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
-static bool arg_no_block = false;
-static bool arg_no_legend = false;
-static bool arg_no_pager = false;
-static bool arg_no_wtmp = false;
-static bool arg_no_wall = false;
-static bool arg_no_reload = false;
-static bool arg_show_types = false;
-static bool arg_ignore_inhibitors = false;
-static bool arg_dry = false;
-static bool arg_quiet = false;
-static bool arg_full = false;
-static bool arg_recursive = false;
-static int arg_force = 0;
-static bool arg_ask_password = true;
-static bool arg_runtime = false;
-static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
-static char **arg_wall = NULL;
-static const char *arg_kill_who = NULL;
-static int arg_signal = SIGTERM;
-static const char *arg_root = NULL;
-static usec_t arg_when = 0;
-static enum action {
- _ACTION_INVALID,
- ACTION_SYSTEMCTL,
- ACTION_HALT,
- ACTION_POWEROFF,
- ACTION_REBOOT,
- ACTION_KEXEC,
- ACTION_EXIT,
- ACTION_SUSPEND,
- ACTION_HIBERNATE,
- ACTION_HYBRID_SLEEP,
- ACTION_RUNLEVEL2,
- ACTION_RUNLEVEL3,
- ACTION_RUNLEVEL4,
- ACTION_RUNLEVEL5,
- ACTION_RESCUE,
- ACTION_EMERGENCY,
- ACTION_DEFAULT,
- ACTION_RELOAD,
- ACTION_REEXEC,
- ACTION_RUNLEVEL,
- ACTION_CANCEL_SHUTDOWN,
- _ACTION_MAX
-} arg_action = ACTION_SYSTEMCTL;
-static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
-static char *arg_host = NULL;
-static unsigned arg_lines = 10;
-static OutputMode arg_output = OUTPUT_SHORT;
-static bool arg_plain = false;
-
-static bool original_stdout_is_tty;
-
-static int daemon_reload(sd_bus *bus, char **args);
-static int halt_now(enum action a);
-static int check_one_unit(sd_bus *bus, const char *name, const char *good_states, bool quiet);
-
-static char** strv_skip_first(char **strv) {
- if (strv_length(strv) > 0)
- return strv + 1;
- return NULL;
-}
-
-static void pager_open_if_enabled(void) {
-
- if (arg_no_pager)
- return;
-
- pager_open(false);
-}
-
-static void ask_password_agent_open_if_enabled(void) {
-
- /* Open the password agent as a child process if necessary */
-
- if (!arg_ask_password)
- return;
-
- if (arg_scope != UNIT_FILE_SYSTEM)
- return;
-
- if (arg_transport != BUS_TRANSPORT_LOCAL)
- return;
-
- ask_password_agent_open();
-}
-
-static void polkit_agent_open_if_enabled(void) {
-
- /* Open the polkit agent as a child process if necessary */
-
- if (!arg_ask_password)
- return;
-
- if (arg_scope != UNIT_FILE_SYSTEM)
- return;
-
- if (arg_transport != BUS_TRANSPORT_LOCAL)
- return;
-
- polkit_agent_open();
-}
-
-static OutputFlags get_output_flags(void) {
- return
- arg_all * OUTPUT_SHOW_ALL |
- arg_full * OUTPUT_FULL_WIDTH |
- (!on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
- on_tty() * OUTPUT_COLOR |
- !arg_quiet * OUTPUT_WARN_CUTOFF;
-}
-
-static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
- assert(error);
-
- if (!sd_bus_error_is_set(error))
- return r;
-
- if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
- sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
- sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
- sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
- return EXIT_NOPERMISSION;
-
- if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
- return EXIT_NOTINSTALLED;
-
- if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
- sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
- return EXIT_NOTIMPLEMENTED;
-
- if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
- return EXIT_NOTCONFIGURED;
-
- if (r != 0)
- return r;
-
- return EXIT_FAILURE;
-}
-
-static void warn_wall(enum action a) {
- 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!",
- [ACTION_CANCEL_SHUTDOWN] = "The system shutdown has been cancelled NOW!"
- };
-
- if (arg_no_wall)
- return;
-
- if (arg_wall) {
- _cleanup_free_ char *p;
-
- p = strv_join(arg_wall, " ");
- if (!p) {
- log_oom();
- return;
- }
-
- if (*p) {
- utmp_wall(p, NULL, NULL);
- return;
- }
- }
-
- if (!table[a])
- return;
-
- utmp_wall(table[a], NULL, NULL);
-}
-
-static bool avoid_bus(void) {
-
- if (running_in_chroot() > 0)
- return true;
-
- if (sd_booted() <= 0)
- return true;
-
- if (!isempty(arg_root))
- return true;
-
- if (arg_scope == UNIT_FILE_GLOBAL)
- return true;
-
- return false;
-}
-
-static int compare_unit_info(const void *a, const void *b) {
- const UnitInfo *u = a, *v = b;
- const char *d1, *d2;
- int r;
-
- /* First, order by machine */
- if (!u->machine && v->machine)
- return -1;
- if (u->machine && !v->machine)
- return 1;
- if (u->machine && v->machine) {
- r = strcasecmp(u->machine, v->machine);
- if (r != 0)
- return r;
- }
-
- /* Second, order by unit type */
- d1 = strrchr(u->id, '.');
- d2 = strrchr(v->id, '.');
- if (d1 && d2) {
- r = strcasecmp(d1, d2);
- if (r != 0)
- return r;
- }
-
- /* Third, order by name */
- return strcasecmp(u->id, v->id);
-}
-
-static bool output_show_unit(const UnitInfo *u, char **patterns) {
- if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE))
- return false;
-
- if (arg_types) {
- const char *dot;
-
- dot = strrchr(u->id, '.');
- if (!dot)
- return false;
-
- if (!strv_find(arg_types, dot+1))
- return false;
- }
-
- if (arg_all)
- return true;
-
- if (u->job_id > 0)
- return true;
-
- if (streq(u->active_state, "inactive") || u->following[0])
- return false;
-
- return true;
-}
-
-static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
- unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len;
- const UnitInfo *u;
- unsigned n_shown = 0;
- int job_count = 0;
-
- max_id_len = strlen("UNIT");
- load_len = strlen("LOAD");
- active_len = strlen("ACTIVE");
- sub_len = strlen("SUB");
- job_len = strlen("JOB");
- desc_len = 0;
-
- for (u = unit_infos; u < unit_infos + c; u++) {
- max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0));
- load_len = MAX(load_len, strlen(u->load_state));
- 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));
- job_count++;
- }
-
- if (!arg_no_legend &&
- (streq(u->active_state, "failed") ||
- STR_IN_SET(u->load_state, "error", "not-found", "masked")))
- circle_len = 2;
- }
-
- if (!arg_full && original_stdout_is_tty) {
- unsigned basic_len;
-
- id_len = MIN(max_id_len, 25u);
- basic_len = circle_len + 5 + id_len + 5 + active_len + sub_len;
-
- if (job_count)
- basic_len += job_len + 1;
-
- if (basic_len < (unsigned) columns()) {
- unsigned extra_len, incr;
- extra_len = columns() - basic_len;
-
- /* Either UNIT already got 25, or is fully satisfied.
- * Grant up to 25 to DESC now. */
- incr = MIN(extra_len, 25u);
- desc_len += incr;
- extra_len -= incr;
-
- /* split the remaining space between UNIT and DESC,
- * but do not give UNIT more than it needs. */
- if (extra_len > 0) {
- incr = MIN(extra_len / 2, max_id_len - id_len);
- id_len += incr;
- desc_len += extra_len - incr;
- }
- }
- } else
- id_len = max_id_len;
-
- for (u = unit_infos; u < unit_infos + c; u++) {
- _cleanup_free_ char *e = NULL, *j = NULL;
- const char *on_loaded = "", *off_loaded = "";
- const char *on_active = "", *off_active = "";
- const char *on_circle = "", *off_circle = "";
- const char *id;
- bool circle = false;
-
- if (!n_shown && !arg_no_legend) {
-
- if (circle_len > 0)
- fputs(" ", stdout);
-
- printf("%-*s %-*s %-*s %-*s ",
- id_len, "UNIT",
- load_len, "LOAD",
- active_len, "ACTIVE",
- sub_len, "SUB");
-
- if (job_count)
- printf("%-*s ", job_len, "JOB");
-
- if (!arg_full && arg_no_pager)
- printf("%.*s\n", desc_len, "DESCRIPTION");
- else
- printf("%s\n", "DESCRIPTION");
- }
-
- n_shown++;
-
- if (STR_IN_SET(u->load_state, "error", "not-found", "masked") && !arg_plain) {
- on_loaded = ansi_highlight_red();
- on_circle = ansi_highlight_yellow();
- off_loaded = off_circle = ansi_highlight_off();
- circle = true;
- } else if (streq(u->active_state, "failed") && !arg_plain) {
- on_circle = on_active = ansi_highlight_red();
- off_circle = off_active = ansi_highlight_off();
- circle = true;
- }
-
- if (u->machine) {
- j = strjoin(u->machine, ":", u->id, NULL);
- if (!j)
- return log_oom();
-
- id = j;
- } else
- id = u->id;
-
- if (arg_full) {
- e = ellipsize(id, id_len, 33);
- if (!e)
- return log_oom();
-
- id = e;
- }
-
- if (circle_len > 0)
- printf("%s%s%s ", on_circle, circle ? draw_special_char(DRAW_BLACK_CIRCLE) : " ", off_circle);
-
- printf("%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s",
- on_active, id_len, id, off_active,
- on_loaded, load_len, u->load_state, off_loaded,
- on_active, active_len, u->active_state,
- sub_len, u->sub_state, off_active,
- job_count ? job_len + 1 : 0, u->job_id ? u->job_type : "");
-
- if (desc_len > 0)
- printf("%.*s\n", desc_len, u->description);
- else
- printf("%s\n", u->description);
- }
-
- if (!arg_no_legend) {
- const char *on, *off;
-
- if (n_shown) {
- puts("\n"
- "LOAD = 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.");
- puts(job_count ? "JOB = Pending job for the unit.\n" : "");
- on = ansi_highlight();
- off = ansi_highlight_off();
- } else {
- on = ansi_highlight_red();
- off = ansi_highlight_off();
- }
-
- if (arg_all)
- printf("%s%u loaded units listed.%s\n"
- "To show all installed unit files use 'systemctl list-unit-files'.\n",
- on, n_shown, off);
- else
- printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
- "To show all installed unit files use 'systemctl list-unit-files'.\n",
- on, n_shown, off);
- }
-
- return 0;
-}
-
-static int get_unit_list(
- sd_bus *bus,
- const char *machine,
- char **patterns,
- UnitInfo **unit_infos,
- int c,
- sd_bus_message **_reply) {
-
- _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- size_t size = c;
- int r;
- UnitInfo u;
-
- assert(bus);
- assert(unit_infos);
- assert(_reply);
-
- r = sd_bus_message_new_method_call(
- bus,
- &m,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "ListUnitsFiltered");
-
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_append_strv(m, arg_states);
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_call(bus, m, 0, &error, &reply);
- if (r < 0) {
- log_error("Failed to list units: %s", bus_error_message(&error, r));
- return r;
- }
-
- r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
- if (r < 0)
- return bus_log_parse_error(r);
-
- while ((r = bus_parse_unit_info(reply, &u)) > 0) {
- u.machine = machine;
-
- if (!output_show_unit(&u, patterns))
- continue;
-
- if (!GREEDY_REALLOC(*unit_infos, size, c+1))
- return log_oom();
-
- (*unit_infos)[c++] = u;
- }
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(reply);
- if (r < 0)
- return bus_log_parse_error(r);
-
- *_reply = reply;
- reply = NULL;
-
- return c;
-}
-
-static void message_set_freep(Set **set) {
- sd_bus_message *m;
-
- while ((m = set_steal_first(*set)))
- sd_bus_message_unref(m);
-
- set_free(*set);
-}
-
-static int get_unit_list_recursive(
- sd_bus *bus,
- char **patterns,
- UnitInfo **_unit_infos,
- Set **_replies,
- char ***_machines) {
-
- _cleanup_free_ UnitInfo *unit_infos = NULL;
- _cleanup_(message_set_freep) Set *replies;
- sd_bus_message *reply;
- int c, r;
-
- assert(bus);
- assert(_replies);
- assert(_unit_infos);
- assert(_machines);
-
- replies = set_new(NULL);
- if (!replies)
- return log_oom();
-
- c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply);
- if (c < 0)
- return c;
-
- r = set_put(replies, reply);
- if (r < 0) {
- sd_bus_message_unref(reply);
- return r;
- }
-
- if (arg_recursive) {
- _cleanup_strv_free_ char **machines = NULL;
- char **i;
-
- r = sd_get_machine_names(&machines);
- if (r < 0)
- return r;
-
- STRV_FOREACH(i, machines) {
- _cleanup_bus_close_unref_ sd_bus *container = NULL;
- int k;
-
- r = sd_bus_open_system_machine(&container, *i);
- if (r < 0) {
- log_error_errno(r, "Failed to connect to container %s: %m", *i);
- continue;
- }
-
- k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply);
- if (k < 0)
- return k;
-
- c = k;
-
- r = set_put(replies, reply);
- if (r < 0) {
- sd_bus_message_unref(reply);
- return r;
- }
- }
-
- *_machines = machines;
- machines = NULL;
- } else
- *_machines = NULL;
-
- *_unit_infos = unit_infos;
- unit_infos = NULL;
-
- *_replies = replies;
- replies = NULL;
-
- return c;
-}
-
-static int list_units(sd_bus *bus, char **args) {
- _cleanup_free_ UnitInfo *unit_infos = NULL;
- _cleanup_(message_set_freep) Set *replies = NULL;
- _cleanup_strv_free_ char **machines = NULL;
- int r;
-
- pager_open_if_enabled();
-
- r = get_unit_list_recursive(bus, strv_skip_first(args), &unit_infos, &replies, &machines);
- if (r < 0)
- return r;
-
- qsort_safe(unit_infos, r, sizeof(UnitInfo), compare_unit_info);
- return output_units_list(unit_infos, r);
-}
-
-static int get_triggered_units(
- sd_bus *bus,
- const char* path,
- char*** ret) {
-
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- int r;
-
- r = sd_bus_get_property_strv(
- bus,
- "org.freedesktop.systemd1",
- path,
- "org.freedesktop.systemd1.Unit",
- "Triggers",
- &error,
- ret);
-
- if (r < 0)
- log_error("Failed to determine triggers: %s", bus_error_message(&error, r));
-
- return 0;
-}
-
-static int get_listening(
- sd_bus *bus,
- const char* unit_path,
- char*** listening) {
-
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- const char *type, *path;
- int r, n = 0;
-
- r = sd_bus_get_property(
- bus,
- "org.freedesktop.systemd1",
- unit_path,
- "org.freedesktop.systemd1.Socket",
- "Listen",
- &error,
- &reply,
- "a(ss)");
- if (r < 0) {
- log_error("Failed to get list of listening sockets: %s", bus_error_message(&error, r));
- return r;
- }
-
- r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
- if (r < 0)
- return bus_log_parse_error(r);
-
- while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
-
- r = strv_extend(listening, type);
- if (r < 0)
- return log_oom();
-
- r = strv_extend(listening, path);
- if (r < 0)
- return log_oom();
-
- n++;
- }
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(reply);
- if (r < 0)
- return bus_log_parse_error(r);
-
- return n;
-}
-
-struct socket_info {
- const char *machine;
- const char* id;
-
- char* type;
- char* path;
-
- /* Note: triggered is a list here, although it almost certainly
- * will always be one unit. Nevertheless, dbus API allows for multiple
- * values, so let's follow that. */
- char** triggered;
-
- /* The strv above is shared. free is set only in the first one. */
- bool own_triggered;
-};
-
-static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) {
- int o;
-
- assert(a);
- assert(b);
-
- if (!a->machine && b->machine)
- return -1;
- if (a->machine && !b->machine)
- return 1;
- if (a->machine && b->machine) {
- o = strcasecmp(a->machine, b->machine);
- if (o != 0)
- return o;
- }
-
- o = strcmp(a->path, b->path);
- if (o == 0)
- o = strcmp(a->type, b->type);
-
- return o;
-}
-
-static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
- struct socket_info *s;
- unsigned pathlen = strlen("LISTEN"),
- typelen = strlen("TYPE") * arg_show_types,
- socklen = strlen("UNIT"),
- servlen = strlen("ACTIVATES");
- const char *on, *off;
-
- for (s = socket_infos; s < socket_infos + cs; s++) {
- unsigned tmp = 0;
- char **a;
-
- socklen = MAX(socklen, strlen(s->id));
- if (arg_show_types)
- typelen = MAX(typelen, strlen(s->type));
- pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0));
-
- STRV_FOREACH(a, s->triggered)
- tmp += strlen(*a) + 2*(a != s->triggered);
- servlen = MAX(servlen, tmp);
- }
-
- if (cs) {
- if (!arg_no_legend)
- printf("%-*s %-*.*s%-*s %s\n",
- pathlen, "LISTEN",
- typelen + arg_show_types, typelen + arg_show_types, "TYPE ",
- socklen, "UNIT",
- "ACTIVATES");
-
- for (s = socket_infos; s < socket_infos + cs; s++) {
- _cleanup_free_ char *j = NULL;
- const char *path;
- char **a;
-
- if (s->machine) {
- j = strjoin(s->machine, ":", s->path, NULL);
- if (!j)
- return log_oom();
- path = j;
- } else
- path = s->path;
-
- if (arg_show_types)
- printf("%-*s %-*s %-*s",
- pathlen, path, typelen, s->type, socklen, s->id);
- else
- printf("%-*s %-*s",
- pathlen, path, socklen, s->id);
- STRV_FOREACH(a, s->triggered)
- printf("%s %s",
- a == s->triggered ? "" : ",", *a);
- printf("\n");
- }
-
- on = ansi_highlight();
- off = ansi_highlight_off();
- if (!arg_no_legend)
- printf("\n");
- } else {
- on = ansi_highlight_red();
- off = ansi_highlight_off();
- }
-
- if (!arg_no_legend) {
- printf("%s%u sockets listed.%s\n", on, cs, off);
- if (!arg_all)
- printf("Pass --all to see loaded but inactive sockets, too.\n");
- }
-
- return 0;
-}
-
-static int list_sockets(sd_bus *bus, char **args) {
- _cleanup_(message_set_freep) Set *replies = NULL;
- _cleanup_strv_free_ char **machines = NULL;
- _cleanup_free_ UnitInfo *unit_infos = NULL;
- _cleanup_free_ struct socket_info *socket_infos = NULL;
- const UnitInfo *u;
- struct socket_info *s;
- unsigned cs = 0;
- size_t size = 0;
- int r = 0, n;
-
- pager_open_if_enabled();
-
- n = get_unit_list_recursive(bus, strv_skip_first(args), &unit_infos, &replies, &machines);
- if (n < 0)
- return n;
-
- for (u = unit_infos; u < unit_infos + n; u++) {
- _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
- int i, c;
-
- if (!endswith(u->id, ".socket"))
- continue;
-
- r = get_triggered_units(bus, u->unit_path, &triggered);
- if (r < 0)
- goto cleanup;
-
- c = get_listening(bus, u->unit_path, &listening);
- if (c < 0) {
- r = c;
- goto cleanup;
- }
-
- if (!GREEDY_REALLOC(socket_infos, size, cs + c)) {
- r = log_oom();
- goto cleanup;
- }
-
- for (i = 0; i < c; i++)
- socket_infos[cs + i] = (struct socket_info) {
- .machine = u->machine,
- .id = u->id,
- .type = listening[i*2],
- .path = listening[i*2 + 1],
- .triggered = triggered,
- .own_triggered = i==0,
- };
-
- /* from this point on we will cleanup those socket_infos */
- cs += c;
- free(listening);
- listening = triggered = NULL; /* avoid cleanup */
- }
-
- qsort_safe(socket_infos, cs, sizeof(struct socket_info),
- (__compar_fn_t) socket_info_compare);
-
- output_sockets_list(socket_infos, cs);
-
- cleanup:
- assert(cs == 0 || socket_infos);
- for (s = socket_infos; s < socket_infos + cs; s++) {
- free(s->type);
- free(s->path);
- if (s->own_triggered)
- strv_free(s->triggered);
- }
-
- return r;
-}
-
-static int get_next_elapse(
- sd_bus *bus,
- const char *path,
- dual_timestamp *next) {
-
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- dual_timestamp t;
- int r;
-
- assert(bus);
- assert(path);
- assert(next);
-
- r = sd_bus_get_property_trivial(
- bus,
- "org.freedesktop.systemd1",
- path,
- "org.freedesktop.systemd1.Timer",
- "NextElapseUSecMonotonic",
- &error,
- 't',
- &t.monotonic);
- if (r < 0) {
- log_error("Failed to get next elapsation time: %s", bus_error_message(&error, r));
- return r;
- }
-
- r = sd_bus_get_property_trivial(
- bus,
- "org.freedesktop.systemd1",
- path,
- "org.freedesktop.systemd1.Timer",
- "NextElapseUSecRealtime",
- &error,
- 't',
- &t.realtime);
- if (r < 0) {
- log_error("Failed to get next elapsation time: %s", bus_error_message(&error, r));
- return r;
- }
-
- *next = t;
- return 0;
-}
-
-static int get_last_trigger(
- sd_bus *bus,
- const char *path,
- usec_t *last) {
-
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- int r;
-
- assert(bus);
- assert(path);
- assert(last);
-
- r = sd_bus_get_property_trivial(
- bus,
- "org.freedesktop.systemd1",
- path,
- "org.freedesktop.systemd1.Timer",
- "LastTriggerUSec",
- &error,
- 't',
- last);
- if (r < 0) {
- log_error("Failed to get last trigger time: %s", bus_error_message(&error, r));
- return r;
- }
-
- return 0;
-}
-
-struct timer_info {
- const char* machine;
- const char* id;
- usec_t next_elapse;
- usec_t last_trigger;
- char** triggered;
-};
-
-static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
- int o;
-
- assert(a);
- assert(b);
-
- if (!a->machine && b->machine)
- return -1;
- if (a->machine && !b->machine)
- return 1;
- if (a->machine && b->machine) {
- o = strcasecmp(a->machine, b->machine);
- if (o != 0)
- return o;
- }
-
- if (a->next_elapse < b->next_elapse)
- return -1;
- if (a->next_elapse > b->next_elapse)
- return 1;
-
- return strcmp(a->id, b->id);
-}
-
-static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
- struct timer_info *t;
- unsigned
- nextlen = strlen("NEXT"),
- leftlen = strlen("LEFT"),
- lastlen = strlen("LAST"),
- passedlen = strlen("PASSED"),
- unitlen = strlen("UNIT"),
- activatelen = strlen("ACTIVATES");
-
- const char *on, *off;
-
- assert(timer_infos || n == 0);
-
- for (t = timer_infos; t < timer_infos + n; t++) {
- unsigned ul = 0;
- char **a;
-
- if (t->next_elapse > 0) {
- char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
-
- format_timestamp(tstamp, sizeof(tstamp), t->next_elapse);
- nextlen = MAX(nextlen, strlen(tstamp) + 1);
-
- format_timestamp_relative(trel, sizeof(trel), t->next_elapse);
- leftlen = MAX(leftlen, strlen(trel));
- }
-
- if (t->last_trigger > 0) {
- char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
-
- format_timestamp(tstamp, sizeof(tstamp), t->last_trigger);
- lastlen = MAX(lastlen, strlen(tstamp) + 1);
-
- format_timestamp_relative(trel, sizeof(trel), t->last_trigger);
- passedlen = MAX(passedlen, strlen(trel));
- }
-
- unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0));
-
- STRV_FOREACH(a, t->triggered)
- ul += strlen(*a) + 2*(a != t->triggered);
-
- activatelen = MAX(activatelen, ul);
- }
-
- if (n > 0) {
- if (!arg_no_legend)
- printf("%-*s %-*s %-*s %-*s %-*s %s\n",
- nextlen, "NEXT",
- leftlen, "LEFT",
- lastlen, "LAST",
- passedlen, "PASSED",
- unitlen, "UNIT",
- "ACTIVATES");
-
- for (t = timer_infos; t < timer_infos + n; t++) {
- _cleanup_free_ char *j = NULL;
- const char *unit;
- char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
- char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
- char **a;
-
- format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse);
- format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse);
-
- format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger);
- format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger);
-
- if (t->machine) {
- j = strjoin(t->machine, ":", t->id, NULL);
- if (!j)
- return log_oom();
- unit = j;
- } else
- unit = t->id;
-
- printf("%-*s %-*s %-*s %-*s %-*s",
- nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit);
-
- STRV_FOREACH(a, t->triggered)
- printf("%s %s",
- a == t->triggered ? "" : ",", *a);
- printf("\n");
- }
-
- on = ansi_highlight();
- off = ansi_highlight_off();
- if (!arg_no_legend)
- printf("\n");
- } else {
- on = ansi_highlight_red();
- off = ansi_highlight_off();
- }
-
- if (!arg_no_legend) {
- printf("%s%u timers listed.%s\n", on, n, off);
- if (!arg_all)
- printf("Pass --all to see loaded but inactive timers, too.\n");
- }
-
- return 0;
-}
-
-static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
- usec_t next_elapse;
-
- assert(nw);
- assert(next);
-
- if (next->monotonic != USEC_INFINITY && next->monotonic > 0) {
- usec_t converted;
-
- if (next->monotonic > nw->monotonic)
- converted = nw->realtime + (next->monotonic - nw->monotonic);
- else
- converted = nw->realtime - (nw->monotonic - next->monotonic);
-
- if (next->realtime != USEC_INFINITY && next->realtime > 0)
- next_elapse = MIN(converted, next->realtime);
- else
- next_elapse = converted;
-
- } else
- next_elapse = next->realtime;
-
- return next_elapse;
-}
-
-static int list_timers(sd_bus *bus, char **args) {
- _cleanup_(message_set_freep) Set *replies = NULL;
- _cleanup_strv_free_ char **machines = NULL;
- _cleanup_free_ struct timer_info *timer_infos = NULL;
- _cleanup_free_ UnitInfo *unit_infos = NULL;
- struct timer_info *t;
- const UnitInfo *u;
- size_t size = 0;
- int n, c = 0;
- dual_timestamp nw;
- int r = 0;
-
- pager_open_if_enabled();
-
- n = get_unit_list_recursive(bus, strv_skip_first(args), &unit_infos, &replies, &machines);
- if (n < 0)
- return n;
-
- dual_timestamp_get(&nw);
-
- for (u = unit_infos; u < unit_infos + n; u++) {
- _cleanup_strv_free_ char **triggered = NULL;
- dual_timestamp next = {};
- usec_t m, last = 0;
-
- if (!endswith(u->id, ".timer"))
- continue;
-
- r = get_triggered_units(bus, u->unit_path, &triggered);
- if (r < 0)
- goto cleanup;
-
- r = get_next_elapse(bus, u->unit_path, &next);
- if (r < 0)
- goto cleanup;
-
- get_last_trigger(bus, u->unit_path, &last);
-
- if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
- r = log_oom();
- goto cleanup;
- }
-
- m = calc_next_elapse(&nw, &next);
-
- timer_infos[c++] = (struct timer_info) {
- .machine = u->machine,
- .id = u->id,
- .next_elapse = m,
- .last_trigger = last,
- .triggered = triggered,
- };
-
- triggered = NULL; /* avoid cleanup */
- }
-
- qsort_safe(timer_infos, c, sizeof(struct timer_info),
- (__compar_fn_t) timer_info_compare);
-
- output_timers_list(timer_infos, c);
-
- cleanup:
- for (t = timer_infos; t < timer_infos + c; t++)
- strv_free(t->triggered);
-
- return r;
-}
-
-static int compare_unit_file_list(const void *a, const void *b) {
- const char *d1, *d2;
- const UnitFileList *u = a, *v = b;
-
- d1 = strrchr(u->path, '.');
- d2 = strrchr(v->path, '.');
-
- if (d1 && d2) {
- int r;
-
- r = strcasecmp(d1, d2);
- if (r != 0)
- return r;
- }
-
- return strcasecmp(basename(u->path), basename(v->path));
-}
-
-static bool output_show_unit_file(const UnitFileList *u, char **patterns) {
- if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE))
- return false;
-
- if (!strv_isempty(arg_types)) {
- const char *dot;
-
- dot = strrchr(u->path, '.');
- if (!dot)
- return false;
-
- if (!strv_find(arg_types, dot+1))
- return false;
- }
-
- if (!strv_isempty(arg_states) &&
- !strv_find(arg_states, unit_file_state_to_string(u->state)))
- return false;
-
- return true;
-}
-
-static void output_unit_file_list(const UnitFileList *units, unsigned c) {
- unsigned max_id_len, id_cols, state_cols;
- const UnitFileList *u;
-
- max_id_len = strlen("UNIT FILE");
- state_cols = strlen("STATE");
-
- for (u = units; u < units + c; u++) {
- max_id_len = MAX(max_id_len, strlen(basename(u->path)));
- state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
- }
-
- if (!arg_full) {
- unsigned basic_cols;
-
- id_cols = MIN(max_id_len, 25u);
- basic_cols = 1 + id_cols + state_cols;
- if (basic_cols < (unsigned) columns())
- id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
- } else
- id_cols = max_id_len;
-
- if (!arg_no_legend)
- printf("%-*s %-*s\n",
- id_cols, "UNIT FILE",
- state_cols, "STATE");
-
- for (u = units; u < units + c; u++) {
- _cleanup_free_ char *e = NULL;
- const char *on, *off;
- const char *id;
-
- if (u->state == UNIT_FILE_MASKED ||
- u->state == UNIT_FILE_MASKED_RUNTIME ||
- u->state == UNIT_FILE_DISABLED ||
- u->state == UNIT_FILE_INVALID) {
- on = ansi_highlight_red();
- off = ansi_highlight_off();
- } else if (u->state == UNIT_FILE_ENABLED) {
- on = ansi_highlight_green();
- off = ansi_highlight_off();
- } else
- on = off = "";
-
- id = basename(u->path);
-
- e = arg_full ? NULL : ellipsize(id, id_cols, 33);
-
- printf("%-*s %s%-*s%s\n",
- id_cols, e ? e : id,
- on, state_cols, unit_file_state_to_string(u->state), off);
- }
-
- if (!arg_no_legend)
- printf("\n%u unit files listed.\n", c);
-}
-
-static int list_unit_files(sd_bus *bus, char **args) {
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- _cleanup_free_ UnitFileList *units = NULL;
- UnitFileList *unit;
- size_t size = 0;
- unsigned c = 0;
- const char *state;
- char *path;
- int r;
-
- pager_open_if_enabled();
-
- if (avoid_bus()) {
- Hashmap *h;
- UnitFileList *u;
- Iterator i;
- unsigned n_units;
-
- h = hashmap_new(&string_hash_ops);
- if (!h)
- return log_oom();
-
- r = unit_file_get_list(arg_scope, arg_root, h);
- if (r < 0) {
- unit_file_list_free(h);
- log_error_errno(r, "Failed to get unit file list: %m");
- return r;
- }
-
- n_units = hashmap_size(h);
-
- units = new(UnitFileList, n_units);
- if (!units && n_units > 0) {
- unit_file_list_free(h);
- return log_oom();
- }
-
- HASHMAP_FOREACH(u, h, i) {
- if (!output_show_unit_file(u, strv_skip_first(args)))
- continue;
-
- units[c++] = *u;
- free(u);
- }
-
- assert(c <= n_units);
- hashmap_free(h);
- } else {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "ListUnitFiles",
- &error,
- &reply,
- NULL);
- if (r < 0) {
- log_error("Failed to list unit files: %s", bus_error_message(&error, r));
- return r;
- }
-
- r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
- if (r < 0)
- return bus_log_parse_error(r);
-
- while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
-
- if (!GREEDY_REALLOC(units, size, c + 1))
- return log_oom();
-
- units[c] = (struct UnitFileList) {
- path,
- unit_file_state_from_string(state)
- };
-
- if (output_show_unit_file(&units[c], strv_skip_first(args)))
- c ++;
-
- }
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(reply);
- if (r < 0)
- return bus_log_parse_error(r);
- }
-
- qsort_safe(units, c, sizeof(UnitFileList), compare_unit_file_list);
- output_unit_file_list(units, c);
-
- if (avoid_bus()) {
- for (unit = units; unit < units + c; unit++)
- free(unit->path);
- }
-
- return 0;
-}
-
-static int list_dependencies_print(const char *name, int level, unsigned int branches, bool last) {
- _cleanup_free_ char *n = NULL;
- size_t max_len = MAX(columns(),20u);
- size_t len = 0;
- int i;
-
- if (!arg_plain) {
-
- for (i = level - 1; i >= 0; i--) {
- len += 2;
- if (len > max_len - 3 && !arg_full) {
- printf("%s...\n",max_len % 2 ? "" : " ");
- return 0;
- }
- printf("%s", draw_special_char(branches & (1 << i) ? DRAW_TREE_VERTICAL : DRAW_TREE_SPACE));
- }
- len += 2;
-
- if (len > max_len - 3 && !arg_full) {
- printf("%s...\n",max_len % 2 ? "" : " ");
- return 0;
- }
-
- printf("%s", draw_special_char(last ? DRAW_TREE_RIGHT : DRAW_TREE_BRANCH));
- }
-
- if (arg_full){
- printf("%s\n", name);
- return 0;
- }
-
- n = ellipsize(name, max_len-len, 100);
- if (!n)
- return log_oom();
-
- printf("%s\n", n);
- return 0;
-}
-
-static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
-
- static const char *dependencies[_DEPENDENCY_MAX] = {
- [DEPENDENCY_FORWARD] = "Requires\0"
- "RequiresOverridable\0"
- "Requisite\0"
- "RequisiteOverridable\0"
- "Wants\0"
- "BindsTo\0",
- [DEPENDENCY_REVERSE] = "RequiredBy\0"
- "RequiredByOverridable\0"
- "WantedBy\0"
- "PartOf\0"
- "BoundBy\0",
- [DEPENDENCY_AFTER] = "After\0",
- [DEPENDENCY_BEFORE] = "Before\0",
- };
-
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- _cleanup_strv_free_ char **ret = NULL;
- _cleanup_free_ char *path = NULL;
- int r;
-
- assert(bus);
- assert(name);
- assert(deps);
- assert_cc(ELEMENTSOF(dependencies) == _DEPENDENCY_MAX);
-
- path = unit_dbus_path_from_name(name);
- if (!path)
- return log_oom();
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- path,
- "org.freedesktop.DBus.Properties",
- "GetAll",
- &error,
- &reply,
- "s", "org.freedesktop.systemd1.Unit");
- if (r < 0) {
- log_error("Failed to get properties of %s: %s", name, bus_error_message(&error, r));
- return r;
- }
-
- r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "{sv}");
- if (r < 0)
- return bus_log_parse_error(r);
-
- while ((r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) {
- const char *prop;
-
- r = sd_bus_message_read(reply, "s", &prop);
- if (r < 0)
- return bus_log_parse_error(r);
-
- if (!nulstr_contains(dependencies[arg_dependency], prop)) {
- r = sd_bus_message_skip(reply, "v");
- if (r < 0)
- return bus_log_parse_error(r);
- } else {
-
- r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_VARIANT, "as");
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = bus_message_read_strv_extend(reply, &ret);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(reply);
- if (r < 0)
- return bus_log_parse_error(r);
- }
-
- r = sd_bus_message_exit_container(reply);
- if (r < 0)
- return bus_log_parse_error(r);
-
- }
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(reply);
- if (r < 0)
- return bus_log_parse_error(r);
-
- *deps = ret;
- ret = NULL;
-
- return 0;
-}
-
-static int list_dependencies_compare(const void *_a, const void *_b) {
- const char **a = (const char**) _a, **b = (const char**) _b;
-
- if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
- return 1;
- if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
- return -1;
-
- return strcasecmp(*a, *b);
-}
-
-static int list_dependencies_one(
- sd_bus *bus,
- const char *name,
- int level,
- char ***units,
- unsigned int branches) {
-
- _cleanup_strv_free_ char **deps = NULL;
- char **c;
- int r = 0;
-
- assert(bus);
- assert(name);
- assert(units);
-
- r = strv_extend(units, name);
- if (r < 0)
- return log_oom();
-
- r = list_dependencies_get_dependencies(bus, name, &deps);
- if (r < 0)
- return r;
-
- qsort_safe(deps, strv_length(deps), sizeof (char*), list_dependencies_compare);
-
- STRV_FOREACH(c, deps) {
- if (strv_contains(*units, *c)) {
- if (!arg_plain) {
- r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
- if (r < 0)
- return r;
- }
- continue;
- }
-
- if (arg_plain)
- printf(" ");
- else {
- int state;
- const char *on;
-
- state = check_one_unit(bus, *c, "activating\0active\0reloading\0", true);
- on = state > 0 ? ansi_highlight_green() : ansi_highlight_red();
- printf("%s%s%s ", on, draw_special_char(DRAW_BLACK_CIRCLE), ansi_highlight_off());
- }
-
- r = list_dependencies_print(*c, level, branches, c[1] == NULL);
- if (r < 0)
- return r;
-
- if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
- r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
- if (r < 0)
- return r;
- }
- }
-
- if (!arg_plain)
- strv_remove(*units, name);
-
- return 0;
-}
-
-static int list_dependencies(sd_bus *bus, char **args) {
- _cleanup_strv_free_ char **units = NULL;
- _cleanup_free_ char *unit = NULL;
- const char *u;
-
- assert(bus);
-
- if (args[1]) {
- unit = unit_name_mangle(args[1], MANGLE_NOGLOB);
- if (!unit)
- return log_oom();
- u = unit;
- } else
- u = SPECIAL_DEFAULT_TARGET;
-
- pager_open_if_enabled();
-
- puts(u);
-
- return list_dependencies_one(bus, u, 0, &units, 0);
-}
-
-struct machine_info {
- bool is_host;
- char *name;
- char *state;
- char *control_group;
- uint32_t n_failed_units;
- uint32_t n_jobs;
- usec_t timestamp;
-};
-
-static const struct bus_properties_map machine_info_property_map[] = {
- { "SystemState", "s", NULL, offsetof(struct machine_info, state) },
- { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) },
- { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) },
- { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) },
- { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) },
- {}
-};
-
-static void free_machines_list(struct machine_info *machine_infos, int n) {
- int i;
-
- if (!machine_infos)
- return;
-
- for (i = 0; i < n; i++) {
- free(machine_infos[i].name);
- free(machine_infos[i].state);
- free(machine_infos[i].control_group);
- }
-
- free(machine_infos);
-}
-
-static int compare_machine_info(const void *a, const void *b) {
- const struct machine_info *u = a, *v = b;
-
- if (u->is_host != v->is_host)
- return u->is_host > v->is_host ? -1 : 1;
-
- return strcasecmp(u->name, v->name);
-}
-
-static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
- _cleanup_bus_close_unref_ sd_bus *container = NULL;
- int r;
-
- assert(mi);
-
- if (!bus) {
- r = sd_bus_open_system_machine(&container, mi->name);
- if (r < 0)
- return r;
-
- bus = container;
- }
-
- r = bus_map_all_properties(bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", machine_info_property_map, mi);
- if (r < 0)
- return r;
-
- return 0;
-}
-
-static bool output_show_machine(const char *name, char **patterns) {
- return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE);
-}
-
-static int get_machine_list(
- sd_bus *bus,
- struct machine_info **_machine_infos,
- char **patterns) {
-
- struct machine_info *machine_infos = NULL;
- _cleanup_strv_free_ char **m = NULL;
- _cleanup_free_ char *hn = NULL;
- size_t sz = 0;
- char **i;
- int c = 0;
-
- hn = gethostname_malloc();
- if (!hn)
- return log_oom();
-
- if (output_show_machine(hn, patterns)) {
- if (!GREEDY_REALLOC0(machine_infos, sz, c+1))
- return log_oom();
-
- machine_infos[c].is_host = true;
- machine_infos[c].name = hn;
- hn = NULL;
-
- get_machine_properties(bus, &machine_infos[c]);
- c++;
- }
-
- sd_get_machine_names(&m);
- STRV_FOREACH(i, m) {
- _cleanup_free_ char *class = NULL;
-
- if (!output_show_machine(*i, patterns))
- continue;
-
- sd_machine_get_class(*i, &class);
- if (!streq_ptr(class, "container"))
- continue;
-
- if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) {
- free_machines_list(machine_infos, c);
- return log_oom();
- }
-
- machine_infos[c].is_host = false;
- machine_infos[c].name = strdup(*i);
- if (!machine_infos[c].name) {
- free_machines_list(machine_infos, c);
- return log_oom();
- }
-
- get_machine_properties(NULL, &machine_infos[c]);
- c++;
- }
-
- *_machine_infos = machine_infos;
- return c;
-}
-
-static void output_machines_list(struct machine_info *machine_infos, unsigned n) {
- struct machine_info *m;
- unsigned
- circle_len = 0,
- namelen = sizeof("NAME") - 1,
- statelen = sizeof("STATE") - 1,
- failedlen = sizeof("FAILED") - 1,
- jobslen = sizeof("JOBS") - 1;
-
- assert(machine_infos || n == 0);
-
- for (m = machine_infos; m < machine_infos + n; m++) {
- namelen = MAX(namelen, strlen(m->name) + (m->is_host ? sizeof(" (host)") - 1 : 0));
- statelen = MAX(statelen, m->state ? strlen(m->state) : 0);
- failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units));
- jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs));
-
- if (!arg_plain && !streq_ptr(m->state, "running"))
- circle_len = 2;
- }
-
- if (!arg_no_legend) {
- if (circle_len > 0)
- fputs(" ", stdout);
-
- printf("%-*s %-*s %-*s %-*s\n",
- namelen, "NAME",
- statelen, "STATE",
- failedlen, "FAILED",
- jobslen, "JOBS");
- }
-
- for (m = machine_infos; m < machine_infos + n; m++) {
- const char *on_state = "", *off_state = "";
- const char *on_failed = "", *off_failed = "";
- bool circle = false;
-
- if (streq_ptr(m->state, "degraded")) {
- on_state = ansi_highlight_red();
- off_state = ansi_highlight_off();
- circle = true;
- } else if (!streq_ptr(m->state, "running")) {
- on_state = ansi_highlight_yellow();
- off_state = ansi_highlight_off();
- circle = true;
- }
-
- if (m->n_failed_units > 0) {
- on_failed = ansi_highlight_red();
- off_failed = ansi_highlight_off();
- } else
- on_failed = off_failed = "";
-
- if (circle_len > 0)
- printf("%s%s%s ", on_state, circle ? draw_special_char(DRAW_BLACK_CIRCLE) : " ", off_state);
-
- if (m->is_host)
- printf("%-*s (host) %s%-*s%s %s%*u%s %*u\n",
- (int) (namelen - (sizeof(" (host)")-1)), strna(m->name),
- on_state, statelen, strna(m->state), off_state,
- on_failed, failedlen, m->n_failed_units, off_failed,
- jobslen, m->n_jobs);
- else
- printf("%-*s %s%-*s%s %s%*u%s %*u\n",
- namelen, strna(m->name),
- on_state, statelen, strna(m->state), off_state,
- on_failed, failedlen, m->n_failed_units, off_failed,
- jobslen, m->n_jobs);
- }
-
- if (!arg_no_legend)
- printf("\n%u machines listed.\n", n);
-}
-
-static int list_machines(sd_bus *bus, char **args) {
- struct machine_info *machine_infos = NULL;
- int r;
-
- assert(bus);
-
- if (geteuid() != 0) {
- log_error("Must be root.");
- return -EPERM;
- }
-
- pager_open_if_enabled();
-
- r = get_machine_list(bus, &machine_infos, strv_skip_first(args));
- if (r < 0)
- return r;
-
- qsort_safe(machine_infos, r, sizeof(struct machine_info), compare_machine_info);
- output_machines_list(machine_infos, r);
- free_machines_list(machine_infos, r);
-
- return 0;
-}
-
-static int get_default(sd_bus *bus, char **args) {
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- _cleanup_free_ char *_path = NULL;
- const char *path;
- int r;
-
- if (!bus || avoid_bus()) {
- r = unit_file_get_default(arg_scope, arg_root, &_path);
- if (r < 0)
- return log_error_errno(r, "Failed to get default target: %m");
- path = _path;
-
- } else {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "GetDefaultTarget",
- &error,
- &reply,
- NULL);
- if (r < 0) {
- log_error("Failed to get default target: %s", bus_error_message(&error, -r));
- return r;
- }
-
- r = sd_bus_message_read(reply, "s", &path);
- if (r < 0)
- return bus_log_parse_error(r);
- }
-
- if (path)
- printf("%s\n", path);
-
- return 0;
-}
-
-static void dump_unit_file_changes(const UnitFileChange *changes, unsigned n_changes) {
- unsigned i;
-
- assert(changes || n_changes == 0);
-
- for (i = 0; i < n_changes; i++) {
- if (changes[i].type == UNIT_FILE_SYMLINK)
- log_info("Created symlink from %s to %s.", changes[i].path, changes[i].source);
- else
- log_info("Removed symlink %s.", changes[i].path);
- }
-}
-
-static int set_default(sd_bus *bus, char **args) {
- _cleanup_free_ char *unit = NULL;
- UnitFileChange *changes = NULL;
- unsigned n_changes = 0;
- int r;
-
- unit = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".target");
- if (!unit)
- return log_oom();
-
- if (!bus || avoid_bus()) {
- r = unit_file_set_default(arg_scope, arg_root, unit, true, &changes, &n_changes);
- if (r < 0)
- return log_error_errno(r, "Failed to set default target: %m");
-
- if (!arg_quiet)
- dump_unit_file_changes(changes, n_changes);
-
- r = 0;
- } else {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
-
- polkit_agent_open_if_enabled();
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "SetDefaultTarget",
- &error,
- &reply,
- "sb", unit, 1);
- if (r < 0) {
- log_error("Failed to set default target: %s", bus_error_message(&error, -r));
- return r;
- }
-
- r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet);
- if (r < 0)
- return r;
-
- /* Try to reload if enabled */
- if (!arg_no_reload)
- r = daemon_reload(bus, args);
- else
- r = 0;
- }
-
- unit_file_changes_free(changes, n_changes);
-
- return r;
-}
-
-struct job_info {
- uint32_t id;
- const char *name, *type, *state;
-};
-
-static void output_jobs_list(const struct job_info* jobs, unsigned n, bool skipped) {
- unsigned id_len, unit_len, type_len, state_len;
- const struct job_info *j;
- const char *on, *off;
- bool shorten = false;
-
- assert(n == 0 || jobs);
-
- if (n == 0) {
- if (!arg_no_legend) {
- on = ansi_highlight_green();
- off = ansi_highlight_off();
-
- printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
- }
- return;
- }
-
- pager_open_if_enabled();
-
- id_len = strlen("JOB");
- unit_len = strlen("UNIT");
- type_len = strlen("TYPE");
- state_len = strlen("STATE");
-
- for (j = jobs; j < jobs + n; j++) {
- uint32_t id = j->id;
- assert(j->name && j->type && j->state);
-
- id_len = MAX(id_len, DECIMAL_STR_WIDTH(id));
- unit_len = MAX(unit_len, strlen(j->name));
- type_len = MAX(type_len, strlen(j->type));
- state_len = MAX(state_len, strlen(j->state));
- }
-
- if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) {
- unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3);
- shorten = true;
- }
-
- if (!arg_no_legend)
- printf("%*s %-*s %-*s %-*s\n",
- id_len, "JOB",
- unit_len, "UNIT",
- type_len, "TYPE",
- state_len, "STATE");
-
- for (j = jobs; j < jobs + n; j++) {
- _cleanup_free_ char *e = NULL;
-
- if (streq(j->state, "running")) {
- on = ansi_highlight();
- off = ansi_highlight_off();
- } else
- on = off = "";
-
- e = shorten ? ellipsize(j->name, unit_len, 33) : NULL;
- printf("%*u %s%-*s%s %-*s %s%-*s%s\n",
- id_len, j->id,
- on, unit_len, e ? e : j->name, off,
- type_len, j->type,
- on, state_len, j->state, off);
- }
-
- if (!arg_no_legend) {
- on = ansi_highlight();
- off = ansi_highlight_off();
-
- printf("\n%s%u jobs listed%s.\n", on, n, off);
- }
-}
-
-static bool output_show_job(struct job_info *job, char **patterns) {
- return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
-}
-
-static int list_jobs(sd_bus *bus, char **args) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- const char *name, *type, *state, *job_path, *unit_path;
- _cleanup_free_ struct job_info *jobs = NULL;
- size_t size = 0;
- unsigned c = 0;
- uint32_t id;
- int r;
- bool skipped = false;
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "ListJobs",
- &error,
- &reply,
- NULL);
- if (r < 0) {
- log_error("Failed to list jobs: %s", bus_error_message(&error, r));
- return r;
- }
-
- r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
- if (r < 0)
- return bus_log_parse_error(r);
-
- while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, &job_path, &unit_path)) > 0) {
- struct job_info job = { id, name, type, state };
-
- if (!output_show_job(&job, strv_skip_first(args))) {
- skipped = true;
- continue;
- }
-
- if (!GREEDY_REALLOC(jobs, size, c + 1))
- return log_oom();
-
- jobs[c++] = job;
- }
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(reply);
- if (r < 0)
- return bus_log_parse_error(r);
-
- output_jobs_list(jobs, c, skipped);
- return r;
-}
-
-static int cancel_job(sd_bus *bus, char **args) {
- char **name;
- int r = 0;
-
- assert(args);
-
- if (strv_length(args) <= 1)
- return daemon_reload(bus, args);
-
- polkit_agent_open_if_enabled();
-
- STRV_FOREACH(name, args+1) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- uint32_t id;
- int q;
-
- q = safe_atou32(*name, &id);
- if (q < 0)
- return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name);
-
- q = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "CancelJob",
- &error,
- NULL,
- "u", id);
- if (q < 0) {
- log_error("Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q));
- if (r == 0)
- r = q;
- }
- }
-
- return r;
-}
-
-static int need_daemon_reload(sd_bus *bus, const char *unit) {
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- const char *path;
- int b, r;
-
- /* We ignore all errors here, since this is used to show a
- * warning only */
-
- /* We don't use unit_dbus_path_from_name() directly since we
- * don't want to load the unit if it isn't loaded. */
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "GetUnit",
- NULL,
- &reply,
- "s", unit);
- if (r < 0)
- return r;
-
- r = sd_bus_message_read(reply, "o", &path);
- if (r < 0)
- return r;
-
- r = sd_bus_get_property_trivial(
- bus,
- "org.freedesktop.systemd1",
- path,
- "org.freedesktop.systemd1.Unit",
- "NeedDaemonReload",
- NULL,
- 'b', &b);
- if (r < 0)
- return r;
-
- return b;
-}
-
-static void warn_unit_file_changed(const char *name) {
- log_warning("%sWarning:%s %s changed on disk. Run 'systemctl%s daemon-reload' to reload units.",
- ansi_highlight_red(),
- ansi_highlight_off(),
- name,
- arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
-}
-
-static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **unit_path) {
- char **p;
-
- assert(lp);
- assert(unit_name);
- assert(unit_path);
-
- STRV_FOREACH(p, lp->unit_path) {
- _cleanup_free_ char *path;
-
- path = path_join(arg_root, *p, unit_name);
- if (!path)
- return log_oom();
-
- if (access(path, F_OK) == 0) {
- *unit_path = path;
- path = NULL;
- return 1;
- }
- }
-
- return 0;
-}
-
-static int unit_find_paths(
- sd_bus *bus,
- const char *unit_name,
- bool avoid_bus_cache,
- LookupPaths *lp,
- char **fragment_path,
- char ***dropin_paths) {
-
- _cleanup_free_ char *path = NULL;
- _cleanup_strv_free_ char **dropins = NULL;
- int r;
-
- /**
- * Finds where the unit is defined on disk. Returns 0 if the unit
- * is not found. Returns 1 if it is found, and sets
- * - the path to the unit in *path, if it exists on disk,
- * - and a strv of existing drop-ins in *dropins,
- * if the arg is not NULL and any dropins were found.
- */
-
- assert(unit_name);
- assert(fragment_path);
- assert(lp);
-
- if (!avoid_bus_cache && !unit_name_is_template(unit_name)) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_bus_message_unref_ sd_bus_message *unit_load_error = NULL;
- _cleanup_free_ char *unit = NULL;
- char *unit_load_error_name, *unit_load_error_message;
-
- unit = unit_dbus_path_from_name(unit_name);
- if (!unit)
- return log_oom();
-
- if (need_daemon_reload(bus, unit_name) > 0)
- warn_unit_file_changed(unit_name);
-
- r = sd_bus_get_property(
- bus,
- "org.freedesktop.systemd1",
- unit,
- "org.freedesktop.systemd1.Unit",
- "LoadError",
- &error,
- &unit_load_error,
- "(ss)");
- if (r < 0)
- return log_error_errno(r, "Failed to get LoadError: %s", bus_error_message(&error, r));
-
- r = sd_bus_message_read(
- unit_load_error,
- "(ss)",
- &unit_load_error_name,
- &unit_load_error_message);
- if (r < 0)
- return bus_log_parse_error(r);
-
- if (!isempty(unit_load_error_name)) {
- log_error("Unit %s is not loaded: %s", unit_name, unit_load_error_message);
- return 0;
- }
-
- r = sd_bus_get_property_string(
- bus,
- "org.freedesktop.systemd1",
- unit,
- "org.freedesktop.systemd1.Unit",
- "FragmentPath",
- &error,
- &path);
- if (r < 0)
- return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r));
-
- if (dropin_paths) {
- r = sd_bus_get_property_strv(
- bus,
- "org.freedesktop.systemd1",
- unit,
- "org.freedesktop.systemd1.Unit",
- "DropInPaths",
- &error,
- &dropins);
- if (r < 0)
- return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r));
- }
- } else {
- _cleanup_set_free_ Set *names;
-
- names = set_new(NULL);
- if (!names)
- return -ENOMEM;
-
- r = set_put(names, unit_name);
- if (r < 0)
- return r;
-
- r = unit_file_find_path(lp, unit_name, &path);
- if (r < 0)
- return r;
-
- if (r == 0) {
- _cleanup_free_ char *template;
-
- template = unit_name_template(unit_name);
- if (!template)
- return log_oom();
-
- if (!streq(template, unit_name)) {
- r = unit_file_find_path(lp, template, &path);
- if (r < 0)
- return r;
- }
- }
-
- if (dropin_paths) {
- r = unit_file_find_dropin_paths(lp->unit_path, NULL, names, &dropins);
- if (r < 0)
- return r;
- }
- }
-
- r = 0;
-
- if (!isempty(path)) {
- *fragment_path = path;
- path = NULL;
- r = 1;
- }
-
- if (dropin_paths && !strv_isempty(dropins)) {
- *dropin_paths = dropins;
- dropins = NULL;
- r = 1;
- }
-
- if (r == 0)
- log_error("No files found for %s.", unit_name);
-
- return r;
-}
-
-static int check_one_unit(sd_bus *bus, const char *name, const char *good_states, bool quiet) {
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- _cleanup_free_ char *n = NULL, *state = NULL;
- const char *path;
- int r;
-
- assert(name);
-
- n = unit_name_mangle(name, MANGLE_NOGLOB);
- if (!n)
- return log_oom();
-
- /* We don't use unit_dbus_path_from_name() directly since we
- * don't want to load the unit if it isn't loaded. */
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "GetUnit",
- NULL,
- &reply,
- "s", n);
- if (r < 0) {
- if (!quiet)
- puts("unknown");
- return 0;
- }
-
- r = sd_bus_message_read(reply, "o", &path);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_get_property_string(
- bus,
- "org.freedesktop.systemd1",
- path,
- "org.freedesktop.systemd1.Unit",
- "ActiveState",
- NULL,
- &state);
- if (r < 0) {
- if (!quiet)
- puts("unknown");
- return 0;
- }
-
- if (!quiet)
- puts(state);
-
- return nulstr_contains(good_states, state);
-}
-
-static int check_triggering_units(
- sd_bus *bus,
- const char *name) {
-
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_free_ char *path = NULL, *n = NULL, *state = NULL;
- _cleanup_strv_free_ char **triggered_by = NULL;
- bool print_warning_label = true;
- char **i;
- int r;
-
- n = unit_name_mangle(name, MANGLE_NOGLOB);
- if (!n)
- return log_oom();
-
- path = unit_dbus_path_from_name(n);
- if (!path)
- return log_oom();
-
- r = sd_bus_get_property_string(
- bus,
- "org.freedesktop.systemd1",
- path,
- "org.freedesktop.systemd1.Unit",
- "LoadState",
- &error,
- &state);
- if (r < 0) {
- log_error("Failed to get load state of %s: %s", n, bus_error_message(&error, r));
- return r;
- }
-
- if (streq(state, "masked"))
- return 0;
-
- r = sd_bus_get_property_strv(
- bus,
- "org.freedesktop.systemd1",
- path,
- "org.freedesktop.systemd1.Unit",
- "TriggeredBy",
- &error,
- &triggered_by);
- if (r < 0) {
- log_error("Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
- return r;
- }
-
- STRV_FOREACH(i, triggered_by) {
- r = check_one_unit(bus, *i, "active\0reloading\0", true);
- if (r < 0)
- return log_error_errno(r, "Failed to check unit: %m");
-
- if (r == 0)
- continue;
-
- if (print_warning_label) {
- log_warning("Warning: Stopping %s, but it can still be activated by:", n);
- print_warning_label = false;
- }
-
- log_warning(" %s", *i);
- }
-
- return 0;
-}
-
-static const struct {
- const char *verb;
- const char *method;
-} unit_actions[] = {
- { "start", "StartUnit" },
- { "stop", "StopUnit" },
- { "condstop", "StopUnit" },
- { "reload", "ReloadUnit" },
- { "restart", "RestartUnit" },
- { "try-restart", "TryRestartUnit" },
- { "condrestart", "TryRestartUnit" },
- { "reload-or-restart", "ReloadOrRestartUnit" },
- { "reload-or-try-restart", "ReloadOrTryRestartUnit" },
- { "condreload", "ReloadOrTryRestartUnit" },
- { "force-reload", "ReloadOrTryRestartUnit" }
-};
-
-static const char *verb_to_method(const char *verb) {
- uint i;
-
- for (i = 0; i < ELEMENTSOF(unit_actions); i++)
- if (streq_ptr(unit_actions[i].verb, verb))
- return unit_actions[i].method;
-
- return "StartUnit";
-}
-
-static const char *method_to_verb(const char *method) {
- uint i;
-
- for (i = 0; i < ELEMENTSOF(unit_actions); i++)
- if (streq_ptr(unit_actions[i].method, method))
- return unit_actions[i].verb;
-
- return "n/a";
-}
-
-static int start_unit_one(
- sd_bus *bus,
- const char *method,
- const char *name,
- const char *mode,
- sd_bus_error *error,
- BusWaitForJobs *w) {
-
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- const char *path;
- int r;
-
- assert(method);
- assert(name);
- assert(mode);
- assert(error);
-
- log_debug("Calling manager for %s on %s, %s", method, name, mode);
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- method,
- error,
- &reply,
- "ss", name, mode);
- if (r < 0) {
- const char *verb;
-
- if (r == -ENOENT && arg_action != ACTION_SYSTEMCTL)
- /* There's always a fallback possible for
- * legacy actions. */
- return -EADDRNOTAVAIL;
-
- verb = method_to_verb(method);
-
- log_error("Failed to %s %s: %s", verb, name, bus_error_message(error, r));
- return r;
- }
-
- r = sd_bus_message_read(reply, "o", &path);
- if (r < 0)
- return bus_log_parse_error(r);
-
- if (need_daemon_reload(bus, name) > 0)
- warn_unit_file_changed(name);
-
- if (w) {
- log_debug("Adding %s to the set", path);
- r = bus_wait_for_jobs_add(w, path);
- if (r < 0)
- return log_oom();
- }
-
- return 0;
-}
-
-static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) {
-
- _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
- char **name;
- int r = 0, i;
-
- STRV_FOREACH(name, names) {
- char *t;
-
- if (suffix)
- t = unit_name_mangle_with_suffix(*name, MANGLE_GLOB, suffix);
- else
- t = unit_name_mangle(*name, MANGLE_GLOB);
- if (!t)
- return log_oom();
-
- if (string_is_glob(t))
- r = strv_consume(&globs, t);
- else
- r = strv_consume(&mangled, t);
- if (r < 0)
- return log_oom();
- }
-
- /* Query the manager only if any of the names are a glob, since
- * this is fairly expensive */
- if (!strv_isempty(globs)) {
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- _cleanup_free_ UnitInfo *unit_infos = NULL;
-
- if (!bus)
- return log_error_errno(EOPNOTSUPP, "Unit name globbing without bus is not implemented.");
-
- r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
- if (r < 0)
- return r;
-
- for (i = 0; i < r; i++)
- if (strv_extend(&mangled, unit_infos[i].id) < 0)
- return log_oom();
- }
-
- *ret = mangled;
- mangled = NULL; /* do not free */
-
- return 0;
-}
-
-static const struct {
- const char *target;
- const char *verb;
- const char *mode;
-} action_table[_ACTION_MAX] = {
- [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
- [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
- [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
- [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
- [ACTION_RUNLEVEL2] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
- [ACTION_RUNLEVEL3] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
- [ACTION_RUNLEVEL4] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
- [ACTION_RUNLEVEL5] = { SPECIAL_GRAPHICAL_TARGET, NULL, "isolate" },
- [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
- [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
- [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
- [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
- [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
- [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
- [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
-};
-
-static enum action verb_to_action(const char *verb) {
- enum action i;
-
- for (i = _ACTION_INVALID; i < _ACTION_MAX; i++)
- if (streq_ptr(action_table[i].verb, verb))
- return i;
-
- return _ACTION_INVALID;
-}
-
-static int start_unit(sd_bus *bus, char **args) {
- _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
- const char *method, *mode, *one_name, *suffix = NULL;
- _cleanup_strv_free_ char **names = NULL;
- char **name;
- int r = 0;
-
- assert(bus);
-
- ask_password_agent_open_if_enabled();
- polkit_agent_open_if_enabled();
-
- if (arg_action == ACTION_SYSTEMCTL) {
- enum action action;
- method = verb_to_method(args[0]);
- action = verb_to_action(args[0]);
-
- if (streq(args[0], "isolate")) {
- mode = "isolate";
- suffix = ".target";
- } else
- mode = action_table[action].mode ?: arg_job_mode;
-
- one_name = action_table[action].target;
- } else {
- assert(arg_action < ELEMENTSOF(action_table));
- assert(action_table[arg_action].target);
-
- method = "StartUnit";
-
- mode = action_table[arg_action].mode;
- one_name = action_table[arg_action].target;
- }
-
- if (one_name)
- names = strv_new(one_name, NULL);
- else {
- r = expand_names(bus, args + 1, suffix, &names);
- if (r < 0)
- log_error_errno(r, "Failed to expand names: %m");
- }
-
- if (!arg_no_block) {
- r = bus_wait_for_jobs_new(bus, &w);
- if (r < 0)
- return log_error_errno(r, "Could not watch jobs: %m");
- }
-
- STRV_FOREACH(name, names) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- int q;
-
- q = start_unit_one(bus, method, *name, mode, &error, w);
- if (r >= 0 && q < 0)
- r = translate_bus_error_to_exit_status(q, &error);
- }
-
- if (!arg_no_block) {
- int q;
-
- q = bus_wait_for_jobs(w, arg_quiet);
- if (q < 0)
- return q;
-
- /* When stopping units, warn if they can still be triggered by
- * another active unit (socket, path, timer) */
- if (!arg_quiet && streq(method, "StopUnit"))
- STRV_FOREACH(name, names)
- check_triggering_units(bus, *name);
- }
-
- return r;
-}
-
-/* Ask systemd-logind, which might grant access to unprivileged users
- * through PolicyKit */
-static int reboot_with_logind(sd_bus *bus, enum action a) {
-#ifdef HAVE_LOGIND
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- const char *method;
- int r;
-
- if (!bus)
- return -EIO;
-
- polkit_agent_open_if_enabled();
-
- switch (a) {
-
- case ACTION_REBOOT:
- method = "Reboot";
- break;
-
- case ACTION_POWEROFF:
- method = "PowerOff";
- break;
-
- case ACTION_SUSPEND:
- method = "Suspend";
- break;
-
- case ACTION_HIBERNATE:
- method = "Hibernate";
- break;
-
- case ACTION_HYBRID_SLEEP:
- method = "HybridSleep";
- break;
-
- default:
- return -EINVAL;
- }
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.login1",
- "/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- method,
- &error,
- NULL,
- "b", arg_ask_password);
- if (r < 0)
- log_error("Failed to execute operation: %s", bus_error_message(&error, r));
-
- return r;
-#else
- return -ENOSYS;
-#endif
-}
-
-static int check_inhibitors(sd_bus *bus, enum action a) {
-#ifdef HAVE_LOGIND
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- _cleanup_strv_free_ char **sessions = NULL;
- const char *what, *who, *why, *mode;
- uint32_t uid, pid;
- unsigned c = 0;
- char **s;
- int r;
-
- if (!bus)
- return 0;
-
- if (arg_ignore_inhibitors || arg_force > 0)
- return 0;
-
- if (arg_when > 0)
- return 0;
-
- if (geteuid() == 0)
- return 0;
-
- if (!on_tty())
- return 0;
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.login1",
- "/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- "ListInhibitors",
- NULL,
- &reply,
- NULL);
- if (r < 0)
- /* If logind is not around, then there are no inhibitors... */
- return 0;
-
- r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
- if (r < 0)
- return bus_log_parse_error(r);
-
- while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
- _cleanup_free_ char *comm = NULL, *user = NULL;
- _cleanup_strv_free_ char **sv = NULL;
-
- if (!streq(mode, "block"))
- continue;
-
- sv = strv_split(what, ":");
- if (!sv)
- return log_oom();
-
- if ((pid_t) pid < 0)
- return log_error_errno(ERANGE, "Bad PID %"PRIu32": %m", pid);
-
- if (!strv_contains(sv,
- a == ACTION_HALT ||
- a == ACTION_POWEROFF ||
- a == ACTION_REBOOT ||
- a == ACTION_KEXEC ? "shutdown" : "sleep"))
- continue;
-
- get_process_comm(pid, &comm);
- user = uid_to_name(uid);
-
- log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
- who, (pid_t) pid, strna(comm), strna(user), why);
-
- c++;
- }
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(reply);
- if (r < 0)
- return bus_log_parse_error(r);
-
- /* Check for current sessions */
- sd_get_sessions(&sessions);
- STRV_FOREACH(s, sessions) {
- _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
-
- if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
- continue;
-
- if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
- continue;
-
- if (sd_session_get_type(*s, &type) < 0 || (!streq(type, "x11") && !streq(type, "tty")))
- continue;
-
- sd_session_get_tty(*s, &tty);
- sd_session_get_seat(*s, &seat);
- sd_session_get_service(*s, &service);
- user = uid_to_name(uid);
-
- log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
- c++;
- }
-
- if (c <= 0)
- return 0;
-
- log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
- action_table[a].verb);
-
- return -EPERM;
-#else
- return 0;
-#endif
-}
-
-static int start_special(sd_bus *bus, char **args) {
- enum action a;
- int r;
-
- assert(args);
-
- a = verb_to_action(args[0]);
-
- r = check_inhibitors(bus, a);
- if (r < 0)
- return r;
-
- if (arg_force >= 2 && geteuid() != 0) {
- log_error("Must be root.");
- return -EPERM;
- }
-
- if (a == ACTION_REBOOT && args[1]) {
- r = update_reboot_param_file(args[1]);
- if (r < 0)
- return r;
- }
-
- if (arg_force >= 2 &&
- (a == ACTION_HALT ||
- a == ACTION_POWEROFF ||
- a == ACTION_REBOOT))
- return halt_now(a);
-
- if (arg_force >= 1 &&
- (a == ACTION_HALT ||
- a == ACTION_POWEROFF ||
- a == ACTION_REBOOT ||
- a == ACTION_KEXEC ||
- a == ACTION_EXIT))
- return daemon_reload(bus, args);
-
- /* first try logind, to allow authentication with polkit */
- if (geteuid() != 0 &&
- (a == ACTION_POWEROFF ||
- a == ACTION_REBOOT ||
- a == ACTION_SUSPEND ||
- a == ACTION_HIBERNATE ||
- a == ACTION_HYBRID_SLEEP)) {
- r = reboot_with_logind(bus, a);
- if (r >= 0 || IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
- return r;
- }
-
- r = start_unit(bus, args);
- if (r == EXIT_SUCCESS)
- warn_wall(a);
-
- return r;
-}
-
-static int check_unit_generic(sd_bus *bus, int code, const char *good_states, char **args) {
- _cleanup_strv_free_ char **names = NULL;
- char **name;
- int r;
-
- assert(bus);
- assert(args);
-
- r = expand_names(bus, args, NULL, &names);
- if (r < 0)
- return log_error_errno(r, "Failed to expand names: %m");
-
- STRV_FOREACH(name, names) {
- int state;
-
- state = check_one_unit(bus, *name, good_states, arg_quiet);
- if (state < 0)
- return state;
- if (state == 0)
- r = code;
- }
-
- return r;
-}
-
-static int check_unit_active(sd_bus *bus, char **args) {
- /* According to LSB: 3, "program is not running" */
- return check_unit_generic(bus, 3, "active\0reloading\0", args + 1);
-}
-
-static int check_unit_failed(sd_bus *bus, char **args) {
- return check_unit_generic(bus, 1, "failed\0", args + 1);
-}
-
-static int kill_unit(sd_bus *bus, char **args) {
- _cleanup_strv_free_ char **names = NULL;
- char **name;
- int r, q;
-
- assert(bus);
- assert(args);
-
- polkit_agent_open_if_enabled();
-
- if (!arg_kill_who)
- arg_kill_who = "all";
-
- r = expand_names(bus, args + 1, NULL, &names);
- if (r < 0)
- log_error_errno(r, "Failed to expand names: %m");
-
- STRV_FOREACH(name, names) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-
- q = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "KillUnit",
- &error,
- NULL,
- "ssi", *names, arg_kill_who, arg_signal);
- if (q < 0) {
- log_error("Failed to kill unit %s: %s", *names, bus_error_message(&error, q));
- if (r == 0)
- r = q;
- }
- }
-
- return r;
-}
-
-typedef struct ExecStatusInfo {
- char *name;
-
- char *path;
- char **argv;
-
- bool ignore;
-
- usec_t start_timestamp;
- usec_t exit_timestamp;
- pid_t pid;
- int code;
- int status;
-
- LIST_FIELDS(struct ExecStatusInfo, exec);
-} ExecStatusInfo;
-
-static void exec_status_info_free(ExecStatusInfo *i) {
- assert(i);
-
- free(i->name);
- free(i->path);
- strv_free(i->argv);
- free(i);
-}
-
-static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i) {
- uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
- const char *path;
- uint32_t pid;
- int32_t code, status;
- int ignore, r;
-
- assert(m);
- assert(i);
-
- r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, "sasbttttuii");
- if (r < 0)
- return bus_log_parse_error(r);
- else if (r == 0)
- return 0;
-
- r = sd_bus_message_read(m, "s", &path);
- if (r < 0)
- return bus_log_parse_error(r);
-
- i->path = strdup(path);
- if (!i->path)
- return log_oom();
-
- r = sd_bus_message_read_strv(m, &i->argv);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_read(m,
- "bttttuii",
- &ignore,
- &start_timestamp, &start_timestamp_monotonic,
- &exit_timestamp, &exit_timestamp_monotonic,
- &pid,
- &code, &status);
- if (r < 0)
- return bus_log_parse_error(r);
-
- 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;
-
- r = sd_bus_message_exit_container(m);
- if (r < 0)
- return bus_log_parse_error(r);
-
- return 1;
-}
-
-typedef struct UnitStatusInfo {
- const char *id;
- const char *load_state;
- const char *active_state;
- const char *sub_state;
- const char *unit_file_state;
- const char *unit_file_preset;
-
- const char *description;
- const char *following;
-
- char **documentation;
-
- const char *fragment_path;
- const char *source_path;
- const char *control_group;
-
- char **dropin_paths;
-
- const char *load_error;
- const char *result;
-
- usec_t inactive_exit_timestamp;
- usec_t inactive_exit_timestamp_monotonic;
- 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;
- const char *pid_file;
- bool running:1;
- int status_errno;
-
- usec_t start_timestamp;
- usec_t exit_timestamp;
-
- int exit_code, exit_status;
-
- usec_t condition_timestamp;
- bool condition_result;
- bool failed_condition_trigger;
- bool failed_condition_negate;
- const char *failed_condition;
- const char *failed_condition_parameter;
-
- usec_t assert_timestamp;
- bool assert_result;
- bool failed_assert_trigger;
- bool failed_assert_negate;
- const char *failed_assert;
- const char *failed_assert_parameter;
-
- /* Socket */
- unsigned n_accepted;
- unsigned n_connections;
- bool accept;
-
- /* Pairs of type, path */
- char **listen;
-
- /* Device */
- const char *sysfs_path;
-
- /* Mount, Automount */
- const char *where;
-
- /* Swap */
- const char *what;
-
- /* CGroup */
- uint64_t memory_current;
- uint64_t memory_limit;
- uint64_t cpu_usage_nsec;
-
- LIST_HEAD(ExecStatusInfo, exec);
-} UnitStatusInfo;
-
-static void print_status_info(
- UnitStatusInfo *i,
- bool *ellipsized) {
-
- ExecStatusInfo *p;
- const char *active_on, *active_off, *on, *off, *ss;
- usec_t timestamp;
- char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], *s1;
- char since2[FORMAT_TIMESTAMP_MAX], *s2;
- const char *path;
- char **t, **t2;
-
- assert(i);
-
- /* This shows pretty information about a unit. See
- * print_property() for a low-level property printer */
-
- if (streq_ptr(i->active_state, "failed")) {
- active_on = ansi_highlight_red();
- active_off = ansi_highlight_off();
- } else if (streq_ptr(i->active_state, "active") || streq_ptr(i->active_state, "reloading")) {
- active_on = ansi_highlight_green();
- active_off = ansi_highlight_off();
- } else
- active_on = active_off = "";
-
- printf("%s%s%s %s", active_on, draw_special_char(DRAW_BLACK_CIRCLE), active_off, strna(i->id));
-
- if (i->description && !streq_ptr(i->id, i->description))
- printf(" - %s", i->description);
-
- printf("\n");
-
- if (i->following)
- printf(" Follow: unit currently follows state of %s\n", i->following);
-
- if (streq_ptr(i->load_state, "error")) {
- on = ansi_highlight_red();
- off = ansi_highlight_off();
- } else
- on = off = "";
-
- path = i->source_path ? i->source_path : i->fragment_path;
-
- if (i->load_error)
- printf(" Loaded: %s%s%s (Reason: %s)\n",
- on, strna(i->load_state), off, i->load_error);
- else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset))
- printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n",
- on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset);
- else if (path && !isempty(i->unit_file_state))
- printf(" Loaded: %s%s%s (%s; %s)\n",
- on, strna(i->load_state), off, path, i->unit_file_state);
- else if (path)
- printf(" Loaded: %s%s%s (%s)\n",
- on, strna(i->load_state), off, path);
- else
- printf(" Loaded: %s%s%s\n",
- on, strna(i->load_state), off);
-
- if (!strv_isempty(i->dropin_paths)) {
- _cleanup_free_ char *dir = NULL;
- bool last = false;
- char ** dropin;
-
- STRV_FOREACH(dropin, i->dropin_paths) {
- if (! dir || last) {
- printf(dir ? " " : " Drop-In: ");
-
- free(dir);
- dir = NULL;
-
- if (path_get_parent(*dropin, &dir) < 0) {
- log_oom();
- return;
- }
-
- printf("%s\n %s", dir,
- draw_special_char(DRAW_TREE_RIGHT));
- }
-
- last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
-
- printf("%s%s", basename(*dropin), last ? "\n" : ", ");
- }
- }
-
- ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
- if (ss)
- printf(" Active: %s%s (%s)%s",
- active_on, strna(i->active_state), ss, active_off);
- else
- printf(" Active: %s%s%s",
- active_on, strna(i->active_state), active_off);
-
- if (!isempty(i->result) && !streq(i->result, "success"))
- printf(" (Result: %s)", i->result);
-
- 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_relative(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_relative(since1, sizeof(since1), i->condition_timestamp);
- s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
-
- printf("Condition: start %scondition failed%s at %s%s%s\n",
- ansi_highlight_yellow(), ansi_highlight_off(),
- s2, s1 ? "; " : "", s1 ? s1 : "");
- if (i->failed_condition_trigger)
- printf(" none of the trigger conditions were met\n");
- else if (i->failed_condition)
- printf(" %s=%s%s was not met\n",
- i->failed_condition,
- i->failed_condition_negate ? "!" : "",
- i->failed_condition_parameter);
- }
-
- if (!i->assert_result && i->assert_timestamp > 0) {
- s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
- s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
-
- printf(" Assert: start %sassertion failed%s at %s%s%s\n",
- ansi_highlight_red(), ansi_highlight_off(),
- s2, s1 ? "; " : "", s1 ? s1 : "");
- if (i->failed_assert_trigger)
- printf(" none of the trigger assertions were met\n");
- else if (i->failed_assert)
- printf(" %s=%s%s was not met\n",
- i->failed_assert,
- i->failed_assert_negate ? "!" : "",
- i->failed_assert_parameter);
- }
-
- if (i->sysfs_path)
- printf(" Device: %s\n", i->sysfs_path);
- if (i->where)
- printf(" Where: %s\n", i->where);
- if (i->what)
- printf(" What: %s\n", i->what);
-
- STRV_FOREACH(t, i->documentation)
- printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", *t);
-
- STRV_FOREACH_PAIR(t, t2, i->listen)
- printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
-
- if (i->accept)
- printf(" Accepted: %u; Connected: %u\n", i->n_accepted, i->n_connections);
-
- LIST_FOREACH(exec, p, i->exec) {
- _cleanup_free_ char *argv = NULL;
- bool good;
-
- /* Only show exited processes here */
- if (p->code == 0)
- continue;
-
- argv = strv_join(p->argv, " ");
- printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
-
- good = is_clean_exit_lsb(p->code, p->status, NULL);
- if (!good) {
- on = ansi_highlight_red();
- off = ansi_highlight_off();
- } 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);
-
- c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD);
- if (c)
- printf("/%s", c);
-
- } else
- printf("signal=%s", signal_to_string(p->status));
-
- printf(")%s\n", off);
-
- 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) {
- if (i->main_pid > 0) {
- printf(" Main PID: "PID_FMT, i->main_pid);
-
- if (i->running) {
- _cleanup_free_ char *comm = NULL;
- get_process_comm(i->main_pid, &comm);
- if (comm)
- printf(" (%s)", comm);
- } 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);
-
- c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD);
- if (c)
- printf("/%s", c);
-
- } else
- printf("signal=%s", signal_to_string(i->exit_status));
- printf(")");
- }
-
- if (i->control_pid > 0)
- printf(";");
- }
-
- if (i->control_pid > 0) {
- _cleanup_free_ char *c = NULL;
-
- printf(" %8s: "PID_FMT, i->main_pid ? "" : " Control", i->control_pid);
-
- get_process_comm(i->control_pid, &c);
- if (c)
- printf(" (%s)", c);
- }
-
- printf("\n");
- }
-
- if (i->status_text)
- printf(" Status: \"%s\"\n", i->status_text);
- if (i->status_errno > 0)
- printf(" Error: %i (%s)\n", i->status_errno, strerror(i->status_errno));
-
- if (i->memory_current != (uint64_t) -1) {
- char buf[FORMAT_BYTES_MAX];
-
- printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current));
-
- if (i->memory_limit != (uint64_t) -1)
- printf(" (limit: %s)\n", format_bytes(buf, sizeof(buf), i->memory_limit));
- else
- printf("\n");
- }
-
- if (i->cpu_usage_nsec != (uint64_t) -1) {
- char buf[FORMAT_TIMESPAN_MAX];
- printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC));
- }
-
- if (i->control_group &&
- (i->main_pid > 0 || i->control_pid > 0 ||
- ((arg_transport != BUS_TRANSPORT_LOCAL && arg_transport != BUS_TRANSPORT_MACHINE) || cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, i->control_group, false) == 0))) {
- unsigned c;
-
- printf(" CGroup: %s\n", i->control_group);
-
- if (arg_transport == BUS_TRANSPORT_LOCAL || arg_transport == BUS_TRANSPORT_MACHINE) {
- unsigned k = 0;
- pid_t extra[2];
- static const char prefix[] = " ";
-
- c = columns();
- if (c > sizeof(prefix) - 1)
- c -= sizeof(prefix) - 1;
- else
- c = 0;
-
- if (i->main_pid > 0)
- extra[k++] = i->main_pid;
-
- if (i->control_pid > 0)
- extra[k++] = i->control_pid;
-
- show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, false, extra, k, get_output_flags());
- }
- }
-
- if (i->id && arg_transport == BUS_TRANSPORT_LOCAL) {
- show_journal_by_unit(
- stdout,
- i->id,
- arg_output,
- 0,
- i->inactive_exit_timestamp_monotonic,
- arg_lines,
- getuid(),
- get_output_flags() | OUTPUT_BEGIN_NEWLINE,
- SD_JOURNAL_LOCAL_ONLY,
- arg_scope == UNIT_FILE_SYSTEM,
- ellipsized);
- }
-
- if (i->need_daemon_reload)
- warn_unit_file_changed(i->id);
-}
-
-static void show_unit_help(UnitStatusInfo *i) {
- char **p;
-
- assert(i);
-
- if (!i->documentation) {
- log_info("Documentation for %s not known.", i->id);
- return;
- }
-
- STRV_FOREACH(p, i->documentation)
- if (startswith(*p, "man:"))
- show_man_page(*p + 4, false);
- else
- log_info("Can't show: %s", *p);
-}
-
-static int status_property(const char *name, sd_bus_message *m, UnitStatusInfo *i, const char *contents) {
- int r;
-
- assert(name);
- assert(m);
- assert(i);
-
- switch (contents[0]) {
-
- case SD_BUS_TYPE_STRING: {
- const char *s;
-
- r = sd_bus_message_read(m, "s", &s);
- if (r < 0)
- return bus_log_parse_error(r);
-
- if (!isempty(s)) {
- if (streq(name, "Id"))
- i->id = s;
- else if (streq(name, "LoadState"))
- i->load_state = s;
- else if (streq(name, "ActiveState"))
- i->active_state = s;
- else if (streq(name, "SubState"))
- i->sub_state = s;
- else if (streq(name, "Description"))
- i->description = s;
- else if (streq(name, "FragmentPath"))
- i->fragment_path = s;
- else if (streq(name, "SourcePath"))
- i->source_path = s;
-#ifndef NOLEGACY
- else if (streq(name, "DefaultControlGroup")) {
- const char *e;
- e = startswith(s, SYSTEMD_CGROUP_CONTROLLER ":");
- if (e)
- i->control_group = e;
- }
-#endif
- else if (streq(name, "ControlGroup"))
- i->control_group = s;
- else if (streq(name, "StatusText"))
- i->status_text = s;
- else if (streq(name, "PIDFile"))
- i->pid_file = 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;
- else if (streq(name, "UnitFileState"))
- i->unit_file_state = s;
- else if (streq(name, "UnitFilePreset"))
- i->unit_file_preset = s;
- else if (streq(name, "Result"))
- i->result = s;
- }
-
- break;
- }
-
- case SD_BUS_TYPE_BOOLEAN: {
- int b;
-
- r = sd_bus_message_read(m, "b", &b);
- if (r < 0)
- return bus_log_parse_error(r);
-
- 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;
- else if (streq(name, "AssertResult"))
- i->assert_result = b;
-
- break;
- }
-
- case SD_BUS_TYPE_UINT32: {
- uint32_t u;
-
- r = sd_bus_message_read(m, "u", &u);
- if (r < 0)
- return bus_log_parse_error(r);
-
- 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 SD_BUS_TYPE_INT32: {
- int32_t j;
-
- r = sd_bus_message_read(m, "i", &j);
- if (r < 0)
- return bus_log_parse_error(r);
-
- if (streq(name, "ExecMainCode"))
- i->exit_code = (int) j;
- else if (streq(name, "ExecMainStatus"))
- i->exit_status = (int) j;
- else if (streq(name, "StatusErrno"))
- i->status_errno = (int) j;
-
- break;
- }
-
- case SD_BUS_TYPE_UINT64: {
- uint64_t u;
-
- r = sd_bus_message_read(m, "t", &u);
- if (r < 0)
- return bus_log_parse_error(r);
-
- 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, "InactiveExitTimestampMonotonic"))
- i->inactive_exit_timestamp_monotonic = (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;
- else if (streq(name, "AssertTimestamp"))
- i->assert_timestamp = (usec_t) u;
- else if (streq(name, "MemoryCurrent"))
- i->memory_current = u;
- else if (streq(name, "MemoryLimit"))
- i->memory_limit = u;
- else if (streq(name, "CPUUsageNSec"))
- i->cpu_usage_nsec = u;
-
- break;
- }
-
- case SD_BUS_TYPE_ARRAY:
-
- if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
- _cleanup_free_ ExecStatusInfo *info = NULL;
-
- r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
- if (r < 0)
- return bus_log_parse_error(r);
-
- info = new0(ExecStatusInfo, 1);
- if (!info)
- return log_oom();
-
- while ((r = exec_status_info_deserialize(m, info)) > 0) {
-
- info->name = strdup(name);
- if (!info->name)
- log_oom();
-
- LIST_PREPEND(exec, i->exec, info);
-
- info = new0(ExecStatusInfo, 1);
- if (!info)
- log_oom();
- }
-
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(m);
- if (r < 0)
- return bus_log_parse_error(r);
-
- return 0;
-
- } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
- const char *type, *path;
-
- r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
- if (r < 0)
- return bus_log_parse_error(r);
-
- while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
-
- r = strv_extend(&i->listen, type);
- if (r < 0)
- return r;
-
- r = strv_extend(&i->listen, path);
- if (r < 0)
- return r;
- }
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(m);
- if (r < 0)
- return bus_log_parse_error(r);
-
- return 0;
-
- } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "DropInPaths")) {
-
- r = sd_bus_message_read_strv(m, &i->dropin_paths);
- if (r < 0)
- return bus_log_parse_error(r);
-
- } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "Documentation")) {
-
- r = sd_bus_message_read_strv(m, &i->documentation);
- if (r < 0)
- return bus_log_parse_error(r);
-
- } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Conditions")) {
- const char *cond, *param;
- int trigger, negate;
- int32_t state;
-
- r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
- if (r < 0)
- return bus_log_parse_error(r);
-
- while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, ¶m, &state)) > 0) {
- log_debug("%s %d %d %s %d", cond, trigger, negate, param, state);
- if (state < 0 && (!trigger || !i->failed_condition)) {
- i->failed_condition = cond;
- i->failed_condition_trigger = trigger;
- i->failed_condition_negate = negate;
- i->failed_condition_parameter = param;
- }
- }
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(m);
- if (r < 0)
- return bus_log_parse_error(r);
-
- } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Asserts")) {
- const char *cond, *param;
- int trigger, negate;
- int32_t state;
-
- r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
- if (r < 0)
- return bus_log_parse_error(r);
-
- while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, ¶m, &state)) > 0) {
- log_debug("%s %d %d %s %d", cond, trigger, negate, param, state);
- if (state < 0 && (!trigger || !i->failed_assert)) {
- i->failed_assert = cond;
- i->failed_assert_trigger = trigger;
- i->failed_assert_negate = negate;
- i->failed_assert_parameter = param;
- }
- }
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(m);
- if (r < 0)
- return bus_log_parse_error(r);
-
- } else
- goto skip;
-
- break;
-
- case SD_BUS_TYPE_STRUCT_BEGIN:
-
- if (streq(name, "LoadError")) {
- const char *n, *message;
-
- r = sd_bus_message_read(m, "(ss)", &n, &message);
- if (r < 0)
- return bus_log_parse_error(r);
-
- if (!isempty(message))
- i->load_error = message;
- } else
- goto skip;
-
- break;
-
- default:
- goto skip;
- }
-
- return 0;
-
-skip:
- r = sd_bus_message_skip(m, contents);
- if (r < 0)
- return bus_log_parse_error(r);
-
- return 0;
-}
-
-static int print_property(const char *name, sd_bus_message *m, const char *contents) {
- int r;
-
- assert(name);
- assert(m);
-
- /* This is a low-level property printer, see
- * print_status_info() for the nicer output */
-
- if (arg_properties && !strv_find(arg_properties, name)) {
- /* skip what we didn't read */
- r = sd_bus_message_skip(m, contents);
- return r;
- }
-
- switch (contents[0]) {
-
- case SD_BUS_TYPE_STRUCT_BEGIN:
-
- if (contents[1] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
- uint32_t u;
-
- r = sd_bus_message_read(m, "(uo)", &u, NULL);
- if (r < 0)
- return bus_log_parse_error(r);
-
- if (u > 0)
- printf("%s=%"PRIu32"\n", name, u);
- else if (arg_all)
- printf("%s=\n", name);
-
- return 0;
-
- } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
- const char *s;
-
- r = sd_bus_message_read(m, "(so)", &s, NULL);
- if (r < 0)
- return bus_log_parse_error(r);
-
- if (arg_all || !isempty(s))
- printf("%s=%s\n", name, s);
-
- return 0;
-
- } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
- const char *a = NULL, *b = NULL;
-
- r = sd_bus_message_read(m, "(ss)", &a, &b);
- if (r < 0)
- return bus_log_parse_error(r);
-
- if (arg_all || !isempty(a) || !isempty(b))
- printf("%s=%s \"%s\"\n", name, strempty(a), strempty(b));
-
- return 0;
- } else if (streq_ptr(name, "SystemCallFilter")) {
- _cleanup_strv_free_ char **l = NULL;
- int whitelist;
-
- r = sd_bus_message_enter_container(m, 'r', "bas");
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_read(m, "b", &whitelist);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_read_strv(m, &l);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(m);
- if (r < 0)
- return bus_log_parse_error(r);
-
- if (arg_all || whitelist || !strv_isempty(l)) {
- bool first = true;
- char **i;
-
- fputs(name, stdout);
- fputc('=', stdout);
-
- if (!whitelist)
- fputc('~', stdout);
-
- STRV_FOREACH(i, l) {
- if (first)
- first = false;
- else
- fputc(' ', stdout);
-
- fputs(*i, stdout);
- }
- fputc('\n', stdout);
- }
-
- return 0;
- }
-
- break;
-
- case SD_BUS_TYPE_ARRAY:
-
- if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
- const char *path;
- int ignore;
-
- r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
- if (r < 0)
- return bus_log_parse_error(r);
-
- while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
- printf("EnvironmentFile=%s (ignore_errors=%s)\n", path, yes_no(ignore));
-
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(m);
- if (r < 0)
- return bus_log_parse_error(r);
-
- return 0;
-
- } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
- const char *type, *path;
-
- r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
- if (r < 0)
- return bus_log_parse_error(r);
-
- while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
- printf("%s=%s\n", type, path);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(m);
- if (r < 0)
- return bus_log_parse_error(r);
-
- return 0;
-
- } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
- const char *type, *path;
-
- r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
- if (r < 0)
- return bus_log_parse_error(r);
-
- while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
- printf("Listen%s=%s\n", type, path);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(m);
- if (r < 0)
- return bus_log_parse_error(r);
-
- return 0;
-
- } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Timers")) {
- const char *base;
- uint64_t value, next_elapse;
-
- r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
- if (r < 0)
- return bus_log_parse_error(r);
-
- while ((r = sd_bus_message_read(m, "(stt)", &base, &value, &next_elapse)) > 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, 0),
- format_timespan(timespan2, sizeof(timespan2), next_elapse, 0));
- }
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(m);
- if (r < 0)
- return bus_log_parse_error(r);
-
- return 0;
-
- } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
- ExecStatusInfo info = {};
-
- r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
- if (r < 0)
- return bus_log_parse_error(r);
-
- while ((r = exec_status_info_deserialize(m, &info)) > 0) {
- char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
- _cleanup_free_ char *tt;
-
- tt = strv_join(info.argv, " ");
-
- printf("%s={ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }\n",
- name,
- strna(info.path),
- strna(tt),
- yes_no(info.ignore),
- strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
- strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
- 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(info.path);
- strv_free(info.argv);
- zero(info);
- }
-
- r = sd_bus_message_exit_container(m);
- if (r < 0)
- return bus_log_parse_error(r);
-
- return 0;
-
- } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
- const char *path, *rwm;
-
- r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
- if (r < 0)
- return bus_log_parse_error(r);
-
- while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
- printf("%s=%s %s\n", name, strna(path), strna(rwm));
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(m);
- if (r < 0)
- return bus_log_parse_error(r);
-
- return 0;
-
- } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "BlockIODeviceWeight")) {
- const char *path;
- uint64_t weight;
-
- r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
- if (r < 0)
- return bus_log_parse_error(r);
-
- while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
- printf("%s=%s %" PRIu64 "\n", name, strna(path), weight);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(m);
- if (r < 0)
- return bus_log_parse_error(r);
-
- return 0;
-
- } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && (streq(name, "BlockIOReadBandwidth") || streq(name, "BlockIOWriteBandwidth"))) {
- const char *path;
- uint64_t bandwidth;
-
- r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
- if (r < 0)
- return bus_log_parse_error(r);
-
- while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
- printf("%s=%s %" PRIu64 "\n", name, strna(path), bandwidth);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(m);
- if (r < 0)
- return bus_log_parse_error(r);
-
- return 0;
- }
-
- break;
- }
-
- r = bus_print_property(name, m, arg_all);
- if (r < 0)
- return bus_log_parse_error(r);
-
- if (r == 0) {
- r = sd_bus_message_skip(m, contents);
- if (r < 0)
- return bus_log_parse_error(r);
-
- if (arg_all)
- printf("%s=[unprintable]\n", name);
- }
-
- return 0;
-}
-
-static int show_one(
- const char *verb,
- sd_bus *bus,
- const char *path,
- bool show_properties,
- bool *new_line,
- bool *ellipsized) {
-
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- UnitStatusInfo info = {
- .memory_current = (uint64_t) -1,
- .memory_limit = (uint64_t) -1,
- .cpu_usage_nsec = (uint64_t) -1,
- };
- ExecStatusInfo *p;
- int r;
-
- assert(path);
- assert(new_line);
-
- log_debug("Showing one %s", path);
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- path,
- "org.freedesktop.DBus.Properties",
- "GetAll",
- &error,
- &reply,
- "s", "");
- if (r < 0) {
- log_error("Failed to get properties: %s", bus_error_message(&error, r));
- return r;
- }
-
- r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "{sv}");
- if (r < 0)
- return bus_log_parse_error(r);
-
- if (*new_line)
- printf("\n");
-
- *new_line = true;
-
- while ((r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) {
- const char *name, *contents;
-
- r = sd_bus_message_read(reply, "s", &name);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_peek_type(reply, NULL, &contents);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_VARIANT, contents);
- if (r < 0)
- return bus_log_parse_error(r);
-
- if (show_properties)
- r = print_property(name, reply, contents);
- else
- r = status_property(name, reply, &info, contents);
- if (r < 0)
- return r;
-
- r = sd_bus_message_exit_container(reply);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(reply);
- if (r < 0)
- return bus_log_parse_error(r);
- }
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(reply);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = 0;
-
- if (!show_properties) {
- if (streq(verb, "help"))
- show_unit_help(&info);
- else
- print_status_info(&info, ellipsized);
- }
-
- strv_free(info.documentation);
- strv_free(info.dropin_paths);
- strv_free(info.listen);
-
- if (!streq_ptr(info.active_state, "active") &&
- !streq_ptr(info.active_state, "reloading") &&
- streq(verb, "status")) {
- /* According to LSB: "program not running" */
- /* 0: program is running or service is OK
- * 1: program is dead and /run PID file exists
- * 2: program is dead and /run/lock lock file exists
- * 3: program is not running
- * 4: program or service status is unknown
- */
- if (info.pid_file && access(info.pid_file, F_OK) == 0)
- r = 1;
- else
- r = 3;
- }
-
- while ((p = info.exec)) {
- LIST_REMOVE(exec, info.exec, p);
- exec_status_info_free(p);
- }
-
- return r;
-}
-
-static int get_unit_dbus_path_by_pid(
- sd_bus *bus,
- uint32_t pid,
- char **unit) {
-
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- char *u;
- int r;
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "GetUnitByPID",
- &error,
- &reply,
- "u", pid);
- if (r < 0) {
- log_error("Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
- return r;
- }
-
- r = sd_bus_message_read(reply, "o", &u);
- if (r < 0)
- return bus_log_parse_error(r);
-
- u = strdup(u);
- if (!u)
- return log_oom();
-
- *unit = u;
- return 0;
-}
-
-static int show_all(
- const char* verb,
- sd_bus *bus,
- bool show_properties,
- bool *new_line,
- bool *ellipsized) {
-
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- _cleanup_free_ UnitInfo *unit_infos = NULL;
- const UnitInfo *u;
- unsigned c;
- int r, ret = 0;
-
- r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
- if (r < 0)
- return r;
-
- pager_open_if_enabled();
-
- c = (unsigned) r;
-
- qsort_safe(unit_infos, c, sizeof(UnitInfo), compare_unit_info);
-
- for (u = unit_infos; u < unit_infos + c; u++) {
- _cleanup_free_ char *p = NULL;
-
- p = unit_dbus_path_from_name(u->id);
- if (!p)
- return log_oom();
-
- r = show_one(verb, bus, p, show_properties, new_line, ellipsized);
- if (r < 0)
- return r;
- else if (r > 0 && ret == 0)
- ret = r;
- }
-
- return ret;
-}
-
-static int show_system_status(sd_bus *bus) {
- char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
- _cleanup_free_ char *hn = NULL;
- struct machine_info mi = {};
- const char *on, *off;
- int r;
-
- hn = gethostname_malloc();
- if (!hn)
- return log_oom();
-
- r = bus_map_all_properties(bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", machine_info_property_map, &mi);
- if (r < 0)
- return log_error_errno(r, "Failed to read server status: %m");
-
- if (streq_ptr(mi.state, "degraded")) {
- on = ansi_highlight_red();
- off = ansi_highlight_off();
- } else if (!streq_ptr(mi.state, "running")) {
- on = ansi_highlight_yellow();
- off = ansi_highlight_off();
- } else
- on = off = "";
-
- printf("%s%s%s %s\n", on, draw_special_char(DRAW_BLACK_CIRCLE), off, arg_host ? arg_host : hn);
-
- printf(" State: %s%s%s\n",
- on, strna(mi.state), off);
-
- printf(" Jobs: %u queued\n", mi.n_jobs);
- printf(" Failed: %u units\n", mi.n_failed_units);
-
- printf(" Since: %s; %s\n",
- format_timestamp(since2, sizeof(since2), mi.timestamp),
- format_timestamp_relative(since1, sizeof(since1), mi.timestamp));
-
- printf(" CGroup: %s\n", mi.control_group ?: "/");
- if (arg_transport == BUS_TRANSPORT_LOCAL || arg_transport == BUS_TRANSPORT_MACHINE) {
- static const char prefix[] = " ";
- unsigned c;
-
- c = columns();
- if (c > sizeof(prefix) - 1)
- c -= sizeof(prefix) - 1;
- else
- c = 0;
-
- show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, false, get_output_flags());
- }
-
- free(mi.state);
- free(mi.control_group);
-
- return 0;
-}
-
-static int show(sd_bus *bus, char **args) {
- bool show_properties, show_status, new_line = false;
- bool ellipsized = false;
- int r, ret = 0;
-
- assert(bus);
- assert(args);
-
- show_properties = streq(args[0], "show");
- show_status = streq(args[0], "status");
-
- if (show_properties)
- pager_open_if_enabled();
-
- /* If no argument is specified inspect the manager itself */
-
- if (show_properties && strv_length(args) <= 1)
- return show_one(args[0], bus, "/org/freedesktop/systemd1", show_properties, &new_line, &ellipsized);
-
- if (show_status && strv_length(args) <= 1) {
-
- pager_open_if_enabled();
- show_system_status(bus);
- new_line = true;
-
- if (arg_all)
- ret = show_all(args[0], bus, false, &new_line, &ellipsized);
- } else {
- _cleanup_free_ char **patterns = NULL;
- char **name;
-
- STRV_FOREACH(name, args + 1) {
- _cleanup_free_ char *unit = NULL;
- uint32_t id;
-
- if (safe_atou32(*name, &id) < 0) {
- if (strv_push(&patterns, *name) < 0)
- return log_oom();
-
- continue;
- } else if (show_properties) {
- /* Interpret as job id */
- if (asprintf(&unit, "/org/freedesktop/systemd1/job/%u", id) < 0)
- return log_oom();
-
- } else {
- /* Interpret as PID */
- r = get_unit_dbus_path_by_pid(bus, id, &unit);
- if (r < 0) {
- ret = r;
- continue;
- }
- }
-
- r = show_one(args[0], bus, unit, show_properties,
- &new_line, &ellipsized);
- if (r < 0)
- return r;
- else if (r > 0 && ret == 0)
- ret = r;
- }
-
- if (!strv_isempty(patterns)) {
- _cleanup_strv_free_ char **names = NULL;
-
- r = expand_names(bus, patterns, NULL, &names);
- if (r < 0)
- log_error_errno(r, "Failed to expand names: %m");
-
- STRV_FOREACH(name, names) {
- _cleanup_free_ char *unit;
-
- unit = unit_dbus_path_from_name(*name);
- if (!unit)
- return log_oom();
-
- r = show_one(args[0], bus, unit, show_properties,
- &new_line, &ellipsized);
- if (r < 0)
- return r;
- else if (r > 0 && ret == 0)
- ret = r;
- }
- }
- }
-
- if (ellipsized && !arg_quiet)
- printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
-
- return ret;
-}
-
-static int init_home_and_lookup_paths(char **user_home, char **user_runtime, LookupPaths *lp) {
- int r;
-
- assert(user_home);
- assert(user_runtime);
- assert(lp);
-
- if (arg_scope == UNIT_FILE_USER) {
- r = user_config_home(user_home);
- if (r < 0)
- return log_error_errno(r, "Failed to query XDG_CONFIG_HOME: %m");
- else if (r == 0)
- return log_error_errno(ENOTDIR, "Cannot find units: $XDG_CONFIG_HOME and $HOME are not set.");
-
- r = user_runtime_dir(user_runtime);
- if (r < 0)
- return log_error_errno(r, "Failed to query XDG_CONFIG_HOME: %m");
- else if (r == 0)
- return log_error_errno(ENOTDIR, "Cannot find units: $XDG_RUNTIME_DIR is not set.");
- }
-
- r = lookup_paths_init_from_scope(lp, arg_scope, arg_root);
- if (r < 0)
- return log_error_errno(r, "Failed to query unit lookup paths: %m");
-
- return 0;
-}
-
-static int cat_file(const char *filename, bool newline) {
- _cleanup_close_ int fd;
-
- fd = open(filename, O_RDONLY|O_CLOEXEC|O_NOCTTY);
- if (fd < 0)
- return -errno;
-
- printf("%s%s# %s%s\n",
- newline ? "\n" : "",
- ansi_highlight_blue(),
- filename,
- ansi_highlight_off());
- fflush(stdout);
-
- return copy_bytes(fd, STDOUT_FILENO, (off_t) -1, false);
-}
-
-static int cat(sd_bus *bus, char **args) {
- _cleanup_free_ char *user_home = NULL;
- _cleanup_free_ char *user_runtime = NULL;
- _cleanup_lookup_paths_free_ LookupPaths lp = {};
- _cleanup_strv_free_ char **names = NULL;
- char **name;
- bool first = true, avoid_bus_cache;
- int r;
-
- assert(args);
-
- if (arg_transport != BUS_TRANSPORT_LOCAL) {
- log_error("Cannot remotely cat units");
- return -EINVAL;
- }
-
- r = init_home_and_lookup_paths(&user_home, &user_runtime, &lp);
- if (r < 0)
- return r;
-
- r = expand_names(bus, args + 1, NULL, &names);
- if (r < 0)
- return log_error_errno(r, "Failed to expand names: %m");
-
- avoid_bus_cache = !bus || avoid_bus();
-
- pager_open_if_enabled();
-
- STRV_FOREACH(name, names) {
- _cleanup_free_ char *fragment_path = NULL;
- _cleanup_strv_free_ char **dropin_paths = NULL;
- char **path;
-
- r = unit_find_paths(bus, *name, avoid_bus_cache, &lp, &fragment_path, &dropin_paths);
- if (r < 0)
- return r;
- else if (r == 0)
- return -ENOENT;
-
- if (first)
- first = false;
- else
- puts("");
-
- if (fragment_path) {
- r = cat_file(fragment_path, false);
- if (r < 0)
- return log_warning_errno(r, "Failed to cat %s: %m", fragment_path);
- }
-
- STRV_FOREACH(path, dropin_paths) {
- r = cat_file(*path, path == dropin_paths);
- if (r < 0)
- return log_warning_errno(r, "Failed to cat %s: %m", *path);
- }
- }
-
- return 0;
-}
-
-static int set_property(sd_bus *bus, char **args) {
- _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_free_ char *n = NULL;
- char **i;
- int r;
-
- polkit_agent_open_if_enabled();
-
- r = sd_bus_message_new_method_call(
- bus,
- &m,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "SetUnitProperties");
- if (r < 0)
- return bus_log_create_error(r);
-
- n = unit_name_mangle(args[1], MANGLE_NOGLOB);
- if (!n)
- return log_oom();
-
- r = sd_bus_message_append(m, "sb", n, arg_runtime);
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
- if (r < 0)
- return bus_log_create_error(r);
-
- STRV_FOREACH(i, args + 2) {
- r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
- if (r < 0)
- return bus_log_create_error(r);
-
- r = bus_append_unit_property_assignment(m, *i);
- if (r < 0)
- return r;
-
- r = sd_bus_message_close_container(m);
- if (r < 0)
- return bus_log_create_error(r);
- }
-
- r = sd_bus_message_close_container(m);
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_call(bus, m, 0, &error, NULL);
- if (r < 0) {
- log_error("Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
- return r;
- }
-
- return 0;
-}
-
-static int snapshot(sd_bus *bus, char **args) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- _cleanup_free_ char *n = NULL, *id = NULL;
- const char *path;
- int r;
-
- polkit_agent_open_if_enabled();
-
- if (strv_length(args) > 1)
- n = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".snapshot");
- else
- n = strdup("");
- if (!n)
- return log_oom();
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "CreateSnapshot",
- &error,
- &reply,
- "sb", n, false);
- if (r < 0) {
- log_error("Failed to create snapshot: %s", bus_error_message(&error, r));
- return r;
- }
-
- r = sd_bus_message_read(reply, "o", &path);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_get_property_string(
- bus,
- "org.freedesktop.systemd1",
- path,
- "org.freedesktop.systemd1.Unit",
- "Id",
- &error,
- &id);
- if (r < 0) {
- log_error("Failed to get ID of snapshot: %s", bus_error_message(&error, r));
- return r;
- }
-
- if (!arg_quiet)
- puts(id);
-
- return 0;
-}
-
-static int delete_snapshot(sd_bus *bus, char **args) {
- _cleanup_strv_free_ char **names = NULL;
- char **name;
- int r;
-
- assert(args);
-
- polkit_agent_open_if_enabled();
-
- r = expand_names(bus, args + 1, ".snapshot", &names);
- if (r < 0)
- log_error_errno(r, "Failed to expand names: %m");
-
- STRV_FOREACH(name, names) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- int q;
-
- q = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "RemoveSnapshot",
- &error,
- NULL,
- "s", *name);
- if (q < 0) {
- log_error("Failed to remove snapshot %s: %s", *name, bus_error_message(&error, q));
- if (r == 0)
- r = q;
- }
- }
-
- return r;
-}
-
-static int daemon_reload(sd_bus *bus, char **args) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- const char *method;
- int r;
-
- polkit_agent_open_if_enabled();
-
- 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";
- }
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- method,
- &error,
- NULL,
- NULL);
- if (r == -ENOENT && arg_action != ACTION_SYSTEMCTL)
- /* There's always a fallback possible for
- * legacy actions. */
- r = -EADDRNOTAVAIL;
- else if ((r == -ETIMEDOUT || r == -ECONNRESET) && streq(method, "Reexecute"))
- /* On reexecution, we expect a disconnect, not a
- * reply */
- r = 0;
- else if (r < 0)
- log_error("Failed to execute operation: %s", bus_error_message(&error, r));
-
- return r < 0 ? r : 0;
-}
-
-static int reset_failed(sd_bus *bus, char **args) {
- _cleanup_strv_free_ char **names = NULL;
- char **name;
- int r, q;
-
- if (strv_length(args) <= 1)
- return daemon_reload(bus, args);
-
- polkit_agent_open_if_enabled();
-
- r = expand_names(bus, args + 1, NULL, &names);
- if (r < 0)
- log_error_errno(r, "Failed to expand names: %m");
-
- STRV_FOREACH(name, names) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-
- q = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "ResetFailedUnit",
- &error,
- NULL,
- "s", *name);
- if (q < 0) {
- log_error("Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
- if (r == 0)
- r = q;
- }
- }
-
- return r;
-}
-
-static int show_environment(sd_bus *bus, char **args) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- const char *text;
- int r;
-
- pager_open_if_enabled();
-
- r = sd_bus_get_property(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "Environment",
- &error,
- &reply,
- "as");
- if (r < 0) {
- log_error("Failed to get environment: %s", bus_error_message(&error, r));
- return r;
- }
-
- r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
- if (r < 0)
- return bus_log_parse_error(r);
-
- while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0)
- puts(text);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_message_exit_container(reply);
- if (r < 0)
- return bus_log_parse_error(r);
-
- return 0;
-}
-
-static int switch_root(sd_bus *bus, char **args) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_free_ char *cmdline_init = NULL;
- const char *root, *init;
- unsigned l;
- int r;
-
- l = strv_length(args);
- if (l < 2 || l > 3) {
- log_error("Wrong number of arguments.");
- return -EINVAL;
- }
-
- root = args[1];
-
- if (l >= 3)
- init = args[2];
- else {
- r = parse_env_file("/proc/cmdline", WHITESPACE,
- "init", &cmdline_init,
- NULL);
- if (r < 0)
- log_debug_errno(r, "Failed to parse /proc/cmdline: %m");
-
- init = cmdline_init;
- }
-
- if (isempty(init))
- init = NULL;
-
- if (init) {
- const char *root_systemd_path = NULL, *root_init_path = NULL;
-
- root_systemd_path = strjoina(root, "/" SYSTEMD_BINARY_PATH);
- root_init_path = strjoina(root, "/", init);
-
- /* If the passed init is actually the same as the
- * systemd binary, then let's suppress it. */
- if (files_same(root_init_path, root_systemd_path) > 0)
- init = NULL;
- }
-
- log_debug("Switching root - root: %s; init: %s", root, strna(init));
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "SwitchRoot",
- &error,
- NULL,
- "ss", root, init);
- if (r < 0) {
- log_error("Failed to switch root: %s", bus_error_message(&error, r));
- return r;
- }
-
- return 0;
-}
-
-static int set_environment(sd_bus *bus, char **args) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
- const char *method;
- int r;
-
- assert(bus);
- assert(args);
-
- polkit_agent_open_if_enabled();
-
- method = streq(args[0], "set-environment")
- ? "SetEnvironment"
- : "UnsetEnvironment";
-
- r = sd_bus_message_new_method_call(
- bus,
- &m,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- method);
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_append_strv(m, args + 1);
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_call(bus, m, 0, &error, NULL);
- if (r < 0) {
- log_error("Failed to set environment: %s", bus_error_message(&error, r));
- return r;
- }
-
- return 0;
-}
-
-static int import_environment(sd_bus *bus, char **args) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
- int r;
-
- assert(bus);
- assert(args);
-
- polkit_agent_open_if_enabled();
-
- r = sd_bus_message_new_method_call(
- bus,
- &m,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "SetEnvironment");
- if (r < 0)
- return bus_log_create_error(r);
-
- if (strv_isempty(args + 1))
- r = sd_bus_message_append_strv(m, environ);
- else {
- char **a, **b;
-
- r = sd_bus_message_open_container(m, 'a', "s");
- if (r < 0)
- return bus_log_create_error(r);
-
- STRV_FOREACH(a, args + 1) {
-
- if (!env_name_is_valid(*a)) {
- log_error("Not a valid environment variable name: %s", *a);
- return -EINVAL;
- }
-
- STRV_FOREACH(b, environ) {
- const char *eq;
-
- eq = startswith(*b, *a);
- if (eq && *eq == '=') {
-
- r = sd_bus_message_append(m, "s", *b);
- if (r < 0)
- return bus_log_create_error(r);
-
- break;
- }
- }
- }
-
- r = sd_bus_message_close_container(m);
- }
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_call(bus, m, 0, &error, NULL);
- if (r < 0) {
- log_error("Failed to import environment: %s", bus_error_message(&error, r));
- return r;
- }
-
- return 0;
-}
-
-static int enable_sysv_units(const char *verb, char **args) {
- int r = 0;
-
- return r;
-}
-
-static int mangle_names(char **original_names, char ***mangled_names) {
- char **i, **l, **name;
-
- l = new(char*, strv_length(original_names) + 1);
- if (!l)
- return log_oom();
-
- i = l;
- STRV_FOREACH(name, original_names) {
-
- /* When enabling units qualified path names are OK,
- * too, hence allow them explicitly. */
-
- if (is_path(*name))
- *i = strdup(*name);
- else
- *i = unit_name_mangle(*name, MANGLE_NOGLOB);
-
- if (!*i) {
- strv_free(l);
- return log_oom();
- }
-
- i++;
- }
-
- *i = NULL;
- *mangled_names = l;
-
- return 0;
-}
-
-static int enable_unit(sd_bus *bus, char **args) {
- _cleanup_strv_free_ char **names = NULL;
- const char *verb = args[0];
- UnitFileChange *changes = NULL;
- unsigned n_changes = 0;
- int carries_install_info = -1;
- int r;
-
- if (!args[1])
- return 0;
-
- r = mangle_names(args+1, &names);
- if (r < 0)
- return r;
-
- r = enable_sysv_units(verb, names);
- if (r < 0)
- return r;
-
- /* If the operation was fully executed by the SysV compat,
- * let's finish early */
- if (strv_isempty(names))
- return 0;
-
- if (!bus || avoid_bus()) {
- if (streq(verb, "enable")) {
- r = unit_file_enable(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
- carries_install_info = r;
- } else if (streq(verb, "disable"))
- r = unit_file_disable(arg_scope, arg_runtime, arg_root, names, &changes, &n_changes);
- else if (streq(verb, "reenable")) {
- r = unit_file_reenable(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
- carries_install_info = r;
- } else if (streq(verb, "link"))
- r = unit_file_link(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
- else if (streq(verb, "preset")) {
- r = unit_file_preset(arg_scope, arg_runtime, arg_root, names, arg_preset_mode, arg_force, &changes, &n_changes);
- carries_install_info = r;
- } else if (streq(verb, "mask"))
- r = unit_file_mask(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
- else if (streq(verb, "unmask"))
- r = unit_file_unmask(arg_scope, arg_runtime, arg_root, names, &changes, &n_changes);
- else
- assert_not_reached("Unknown verb");
-
- if (r < 0) {
- log_error_errno(r, "Operation failed: %m");
- goto finish;
- }
-
- if (!arg_quiet)
- dump_unit_file_changes(changes, n_changes);
-
- r = 0;
- } else {
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *m = NULL;
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- int expect_carries_install_info = false;
- bool send_force = true, send_preset_mode = false;
- const char *method;
-
- polkit_agent_open_if_enabled();
-
- if (streq(verb, "enable")) {
- method = "EnableUnitFiles";
- expect_carries_install_info = true;
- } else if (streq(verb, "disable")) {
- method = "DisableUnitFiles";
- send_force = false;
- } else if (streq(verb, "reenable")) {
- method = "ReenableUnitFiles";
- expect_carries_install_info = true;
- } else if (streq(verb, "link"))
- method = "LinkUnitFiles";
- else if (streq(verb, "preset")) {
-
- if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
- method = "PresetUnitFilesWithMode";
- send_preset_mode = true;
- } else
- method = "PresetUnitFiles";
-
- expect_carries_install_info = true;
- } else if (streq(verb, "mask"))
- method = "MaskUnitFiles";
- else if (streq(verb, "unmask")) {
- method = "UnmaskUnitFiles";
- send_force = false;
- } else
- assert_not_reached("Unknown verb");
-
- r = sd_bus_message_new_method_call(
- bus,
- &m,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- method);
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_append_strv(m, names);
- if (r < 0)
- return bus_log_create_error(r);
-
- if (send_preset_mode) {
- r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
- if (r < 0)
- return bus_log_create_error(r);
- }
-
- r = sd_bus_message_append(m, "b", arg_runtime);
- if (r < 0)
- return bus_log_create_error(r);
-
- if (send_force) {
- r = sd_bus_message_append(m, "b", arg_force);
- if (r < 0)
- return bus_log_create_error(r);
- }
-
- r = sd_bus_call(bus, m, 0, &error, &reply);
- if (r < 0) {
- log_error("Failed to execute operation: %s", bus_error_message(&error, r));
- return r;
- }
-
- if (expect_carries_install_info) {
- r = sd_bus_message_read(reply, "b", &carries_install_info);
- if (r < 0)
- return bus_log_parse_error(r);
- }
-
- r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet);
- if (r < 0)
- return r;
-
- /* Try to reload if enabled */
- if (!arg_no_reload)
- r = daemon_reload(bus, args);
- else
- r = 0;
- }
-
- if (carries_install_info == 0)
- log_warning("The unit files have no [Install] section. They are not meant to be enabled\n"
- "using systemctl.\n"
- "Possible reasons for having this kind of units are:\n"
- "1) A unit may be statically enabled by being symlinked from another unit's\n"
- " .wants/ or .requires/ directory.\n"
- "2) A unit's purpose may be to act as a helper for some other unit which has\n"
- " a requirement dependency on it.\n"
- "3) A unit may be started when needed via activation (socket, path, timer,\n"
- " D-Bus, udev, scripted systemctl call, ...).\n");
-
-finish:
- unit_file_changes_free(changes, n_changes);
-
- return r;
-}
-
-static int add_dependency(sd_bus *bus, char **args) {
- _cleanup_strv_free_ char **names = NULL;
- _cleanup_free_ char *target = NULL;
- const char *verb = args[0];
- UnitDependency dep;
- int r = 0;
-
- if (!args[1])
- return 0;
-
- target = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".target");
- if (!target)
- return log_oom();
-
- r = mangle_names(args+2, &names);
- if (r < 0)
- return r;
-
- if (streq(verb, "add-wants"))
- dep = UNIT_WANTS;
- else if (streq(verb, "add-requires"))
- dep = UNIT_REQUIRES;
- else
- assert_not_reached("Unknown verb");
-
- if (!bus || avoid_bus()) {
- UnitFileChange *changes = NULL;
- unsigned n_changes = 0;
-
- r = unit_file_add_dependency(arg_scope, arg_runtime, arg_root, names, target, dep, arg_force, &changes, &n_changes);
-
- if (r < 0)
- return log_error_errno(r, "Can't add dependency: %m");
-
- if (!arg_quiet)
- dump_unit_file_changes(changes, n_changes);
-
- unit_file_changes_free(changes, n_changes);
-
- } else {
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *m = NULL;
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-
- polkit_agent_open_if_enabled();
-
- r = sd_bus_message_new_method_call(
- bus,
- &m,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "AddDependencyUnitFiles");
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_append_strv(m, names);
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_call(bus, m, 0, &error, &reply);
- if (r < 0) {
- log_error("Failed to execute operation: %s", bus_error_message(&error, r));
- return r;
- }
-
- r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet);
- if (r < 0)
- return r;
-
- if (!arg_no_reload)
- r = daemon_reload(bus, args);
- else
- r = 0;
- }
-
- return r;
-}
-
-static int preset_all(sd_bus *bus, char **args) {
- UnitFileChange *changes = NULL;
- unsigned n_changes = 0;
- int r;
-
- if (!bus || avoid_bus()) {
-
- r = unit_file_preset_all(arg_scope, arg_runtime, arg_root, arg_preset_mode, arg_force, &changes, &n_changes);
- if (r < 0) {
- log_error_errno(r, "Operation failed: %m");
- goto finish;
- }
-
- if (!arg_quiet)
- dump_unit_file_changes(changes, n_changes);
-
- r = 0;
-
- } else {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
-
- polkit_agent_open_if_enabled();
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "PresetAllUnitFiles",
- &error,
- &reply,
- "sbb",
- unit_file_preset_mode_to_string(arg_preset_mode),
- arg_runtime,
- arg_force);
- if (r < 0) {
- log_error("Failed to execute operation: %s", bus_error_message(&error, r));
- return r;
- }
-
- r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet);
- if (r < 0)
- return r;
-
- if (!arg_no_reload)
- r = daemon_reload(bus, args);
- else
- r = 0;
- }
-
-finish:
- unit_file_changes_free(changes, n_changes);
-
- return r;
-}
-
-static int unit_is_enabled(sd_bus *bus, char **args) {
-
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_strv_free_ char **names = NULL;
- bool enabled;
- char **name;
- int r;
-
- r = mangle_names(args+1, &names);
- if (r < 0)
- return r;
-
- r = enable_sysv_units(args[0], names);
- if (r < 0)
- return r;
-
- enabled = r > 0;
-
- if (!bus || avoid_bus()) {
-
- STRV_FOREACH(name, names) {
- UnitFileState state;
-
- state = unit_file_get_state(arg_scope, arg_root, *name);
- if (state < 0)
- return log_error_errno(state, "Failed to get unit file state for %s: %m", *name);
-
- if (state == UNIT_FILE_ENABLED ||
- state == UNIT_FILE_ENABLED_RUNTIME ||
- state == UNIT_FILE_STATIC ||
- state == UNIT_FILE_INDIRECT)
- enabled = true;
-
- if (!arg_quiet)
- puts(unit_file_state_to_string(state));
- }
-
- } else {
- STRV_FOREACH(name, names) {
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- const char *s;
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "GetUnitFileState",
- &error,
- &reply,
- "s", *name);
- if (r < 0) {
- log_error("Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
- return r;
- }
-
- r = sd_bus_message_read(reply, "s", &s);
- if (r < 0)
- return bus_log_parse_error(r);
-
- if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect"))
- enabled = true;
-
- if (!arg_quiet)
- puts(s);
- }
- }
-
- return !enabled;
-}
-
-static int is_system_running(sd_bus *bus, char **args) {
- _cleanup_free_ char *state = NULL;
- int r;
-
- r = sd_bus_get_property_string(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "SystemState",
- NULL,
- &state);
- if (r < 0) {
- if (!arg_quiet)
- puts("unknown");
- return 0;
- }
-
- if (!arg_quiet)
- puts(state);
-
- return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
-}
-
-static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
- char *t;
- int r;
-
- assert(new_path);
- assert(original_path);
- assert(ret_tmp_fn);
-
- r = tempfn_random(new_path, &t);
- if (r < 0)
- return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path);
-
- r = mkdir_parents(new_path, 0755);
- if (r < 0) {
- log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path);
- free(t);
- return r;
- }
-
- r = copy_file(original_path, t, 0, 0644, 0);
- if (r == -ENOENT) {
- r = touch(t);
- if (r < 0) {
- log_error_errno(r, "Failed to create temporary file \"%s\": %m", t);
- free(t);
- return r;
- }
- } else if (r < 0) {
- log_error_errno(r, "Failed to copy \"%s\" to \"%s\": %m", original_path, t);
- free(t);
- return r;
- }
-
- *ret_tmp_fn = t;
-
- return 0;
-}
-
-static int get_file_to_edit(const char *name, const char *user_home, const char *user_runtime, char **ret_path) {
- _cleanup_free_ char *path = NULL, *path2 = NULL, *run = NULL;
-
- switch (arg_scope) {
- case UNIT_FILE_SYSTEM:
- path = path_join(arg_root, SYSTEM_CONFIG_UNIT_PATH, name);
- if (arg_runtime)
- run = path_join(arg_root, "/run/systemd/system/", name);
- break;
- case UNIT_FILE_GLOBAL:
- path = path_join(arg_root, USER_CONFIG_UNIT_PATH, name);
- if (arg_runtime)
- run = path_join(arg_root, "/run/systemd/user/", name);
- break;
- case UNIT_FILE_USER:
- assert(user_home);
- assert(user_runtime);
-
- path = path_join(arg_root, user_home, name);
- if (arg_runtime) {
- path2 = path_join(arg_root, USER_CONFIG_UNIT_PATH, name);
- if (!path2)
- return log_oom();
- run = path_join(arg_root, user_runtime, name);
- }
- break;
- default:
- assert_not_reached("Invalid scope");
- }
- if (!path || (arg_runtime && !run))
- return log_oom();
-
- if (arg_runtime) {
- if (access(path, F_OK) >= 0)
- return log_error_errno(EEXIST, "Refusing to create \"%s\" because it would be overriden by \"%s\" anyway.",
- run, path);
- if (path2 && access(path2, F_OK) >= 0)
- return log_error_errno(EEXIST, "Refusing to create \"%s\" because it would be overriden by \"%s\" anyway.",
- run, path2);
- *ret_path = run;
- run = NULL;
- } else {
- *ret_path = path;
- path = NULL;
- }
-
- return 0;
-}
-
-static int unit_file_create_dropin(const char *unit_name, const char *user_home, const char *user_runtime, char **ret_new_path, char **ret_tmp_path) {
- char *tmp_new_path, *ending;
- char *tmp_tmp_path;
- int r;
-
- assert(unit_name);
- assert(ret_new_path);
- assert(ret_tmp_path);
-
- ending = strjoina(unit_name, ".d/override.conf");
- r = get_file_to_edit(ending, user_home, user_runtime, &tmp_new_path);
- if (r < 0)
- return r;
-
- r = create_edit_temp_file(tmp_new_path, tmp_new_path, &tmp_tmp_path);
- if (r < 0) {
- free(tmp_new_path);
- return r;
- }
-
- *ret_new_path = tmp_new_path;
- *ret_tmp_path = tmp_tmp_path;
-
- return 0;
-}
-
-static int unit_file_create_copy(
- const char *unit_name,
- const char *fragment_path,
- const char *user_home,
- const char *user_runtime,
- char **ret_new_path,
- char **ret_tmp_path) {
-
- char *tmp_new_path;
- char *tmp_tmp_path;
- int r;
-
- assert(fragment_path);
- assert(unit_name);
- assert(ret_new_path);
- assert(ret_tmp_path);
-
- r = get_file_to_edit(unit_name, user_home, user_runtime, &tmp_new_path);
- if (r < 0)
- return r;
-
- if (!path_equal(fragment_path, tmp_new_path) && access(tmp_new_path, F_OK) == 0) {
- char response;
-
- r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", tmp_new_path, fragment_path);
- if (r < 0) {
- free(tmp_new_path);
- return r;
- }
- if (response != 'y') {
- log_warning("%s ignored", unit_name);
- free(tmp_new_path);
- return -1;
- }
- }
-
- r = create_edit_temp_file(tmp_new_path, fragment_path, &tmp_tmp_path);
- if (r < 0) {
- log_error_errno(r, "Failed to create temporary file for \"%s\": %m", tmp_new_path);
- free(tmp_new_path);
- return r;
- }
-
- *ret_new_path = tmp_new_path;
- *ret_tmp_path = tmp_tmp_path;
-
- return 0;
-}
-
-static int run_editor(char **paths) {
- pid_t pid;
- int r;
-
- assert(paths);
-
- pid = fork();
- if (pid < 0) {
- log_error_errno(errno, "Failed to fork: %m");
- return -errno;
- }
-
- if (pid == 0) {
- const char **args;
- char *editor;
- char **tmp_path, **original_path, *p;
- unsigned i = 1;
- size_t argc;
-
- argc = strv_length(paths)/2 + 1;
- args = newa(const char*, argc + 1);
-
- args[0] = NULL;
- STRV_FOREACH_PAIR(original_path, tmp_path, paths) {
- args[i] = *tmp_path;
- i++;
- }
- args[argc] = NULL;
-
- /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
- * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
- * we try to execute well known editors
- */
- editor = getenv("SYSTEMD_EDITOR");
- if (!editor)
- editor = getenv("EDITOR");
- if (!editor)
- editor = getenv("VISUAL");
-
- if (!isempty(editor)) {
- args[0] = editor;
- execvp(editor, (char* const*) args);
- }
-
- FOREACH_STRING(p, "nano", "vim", "vi") {
- args[0] = p;
- execvp(p, (char* const*) args);
- /* We do not fail if the editor doesn't exist
- * because we want to try each one of them before
- * failing.
- */
- if (errno != ENOENT) {
- log_error("Failed to execute %s: %m", editor);
- _exit(EXIT_FAILURE);
- }
- }
-
- log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL.");
- _exit(EXIT_FAILURE);
- }
-
- r = wait_for_terminate_and_warn("editor", pid, true);
- if (r < 0)
- return log_error_errno(r, "Failed to wait for child: %m");
-
- return r;
-}
-
-static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
- _cleanup_free_ char *user_home = NULL;
- _cleanup_free_ char *user_runtime = NULL;
- _cleanup_lookup_paths_free_ LookupPaths lp = {};
- bool avoid_bus_cache;
- char **name;
- int r;
-
- assert(names);
- assert(paths);
-
- r = init_home_and_lookup_paths(&user_home, &user_runtime, &lp);
- if (r < 0)
- return r;
-
- avoid_bus_cache = !bus || avoid_bus();
-
- STRV_FOREACH(name, names) {
- _cleanup_free_ char *path = NULL;
- char *new_path, *tmp_path;
-
- r = unit_find_paths(bus, *name, avoid_bus_cache, &lp, &path, NULL);
- if (r < 0)
- return r;
- else if (r == 0)
- return -ENOENT;
- else if (!path) {
- // FIXME: support units with path==NULL (no FragmentPath)
- log_error("No fragment exists for %s.", *name);
- return -ENOENT;
- }
-
- if (arg_full)
- r = unit_file_create_copy(*name, path, user_home, user_runtime, &new_path, &tmp_path);
- else
- r = unit_file_create_dropin(*name, user_home, user_runtime, &new_path, &tmp_path);
- if (r < 0)
- return r;
-
- r = strv_push_pair(paths, new_path, tmp_path);
- if (r < 0)
- return log_oom();
- }
-
- return 0;
-}
-
-static int edit(sd_bus *bus, char **args) {
- _cleanup_strv_free_ char **names = NULL;
- _cleanup_strv_free_ char **paths = NULL;
- char **original, **tmp;
- int r;
-
- assert(args);
-
- if (!on_tty()) {
- log_error("Cannot edit units if not on a tty");
- return -EINVAL;
- }
-
- if (arg_transport != BUS_TRANSPORT_LOCAL) {
- log_error("Cannot remotely edit units");
- return -EINVAL;
- }
-
- r = expand_names(bus, args + 1, NULL, &names);
- if (r < 0)
- return log_error_errno(r, "Failed to expand names: %m");
-
- r = find_paths_to_edit(bus, names, &paths);
- if (r < 0)
- return r;
-
- if (strv_isempty(paths))
- return -ENOENT;
-
- r = run_editor(paths);
- if (r < 0)
- goto end;
-
- STRV_FOREACH_PAIR(original, tmp, paths) {
- /* If the temporary file is empty we ignore it.
- * It's useful if the user wants to cancel its modification
- */
- if (null_or_empty_path(*tmp)) {
- log_warning("Editing \"%s\" canceled: temporary file is empty", *original);
- continue;
- }
- r = rename(*tmp, *original);
- if (r < 0) {
- r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original);
- goto end;
- }
- }
-
- if (!arg_no_reload && bus && !avoid_bus())
- r = daemon_reload(bus, args);
-
-end:
- STRV_FOREACH_PAIR(original, tmp, paths)
- unlink_noerrno(*tmp);
-
- return r;
-}
-
-static void systemctl_help(void) {
-
- pager_open_if_enabled();
-
- printf("%s [OPTIONS...] {COMMAND} ...\n\n"
- "Query or send control commands to the systemd manager.\n\n"
- " -h --help Show this help\n"
- " --version Show package version\n"
- " --system Connect to system manager\n"
- " --user Connect to user service manager\n"
- " -H --host=[USER@]HOST\n"
- " Operate on remote host\n"
- " -M --machine=CONTAINER\n"
- " Operate on local container\n"
- " -t --type=TYPE List units of a particular type\n"
- " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
- " -p --property=NAME Show only properties by this name\n"
- " -a --all Show all loaded units/properties, including dead/empty\n"
- " ones. To list all units installed on the system, use\n"
- " the 'list-unit-files' command instead.\n"
- " -l --full Don't ellipsize unit names on output\n"
- " -r --recursive Show unit list of host and local containers\n"
- " --reverse Show reverse dependencies with 'list-dependencies'\n"
- " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
- " queueing a new job\n"
- " --show-types When showing sockets, explicitly show their type\n"
- " -i --ignore-inhibitors\n"
- " When shutting down or sleeping, ignore inhibitors\n"
- " --kill-who=WHO Who to send signal to\n"
- " -s --signal=SIGNAL Which signal to send\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 Don't reload daemon after en-/dis-abling unit files\n"
- " --no-legend Do not print a legend (column headers and hints)\n"
- " --no-pager Do not pipe output into a pager\n"
- " --no-ask-password\n"
- " Do not ask for system passwords\n"
- " --global Enable/disable unit files globally\n"
- " --runtime Enable unit files only temporarily until next reboot\n"
- " -f --force When enabling unit files, override existing symlinks\n"
- " When shutting down, execute action immediately\n"
- " --preset-mode= Apply only enable, only disable, or all presets\n"
- " --root=PATH Enable unit files in the specified root directory\n"
- " -n --lines=INTEGER Number of journal entries to show\n"
- " -o --output=STRING Change journal output mode (short, short-iso,\n"
- " short-precise, short-monotonic, verbose,\n"
- " export, json, json-pretty, json-sse, cat)\n"
- " --plain Print unit dependencies as a list instead of a tree\n\n"
- "Unit Commands:\n"
- " list-units [PATTERN...] List loaded units\n"
- " list-sockets [PATTERN...] List loaded sockets ordered by address\n"
- " list-timers [PATTERN...] List loaded timers ordered by next elapse\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 if possible,\n"
- " otherwise start or restart\n"
- " reload-or-try-restart NAME... Reload one or more units if 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 PATTERN... Check whether units are active\n"
- " is-failed PATTERN... Check whether units are failed\n"
- " status [PATTERN...|PID...] Show runtime status of one or more units\n"
- " show [PATTERN...|JOB...] Show properties of one or more\n"
- " units/jobs or the manager\n"
- " cat PATTERN... Show files and drop-ins of one or more units\n"
- " set-property NAME ASSIGNMENT... Sets one or more properties of a unit\n"
- " help PATTERN...|PID... Show manual for one or more units\n"
- " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
- " units\n"
- " list-dependencies [NAME] Recursively show units which are required\n"
- " or wanted by this unit or by which this\n"
- " unit is required or wanted\n\n"
- "Unit File Commands:\n"
- " list-unit-files [PATTERN...] List installed unit files\n"
- " enable NAME... Enable one or more unit files\n"
- " disable NAME... Disable one or more unit files\n"
- " reenable NAME... Reenable one or more unit files\n"
- " preset NAME... Enable/disable one or more unit files\n"
- " based on preset configuration\n"
- " preset-all Enable/disable all unit files based on\n"
- " preset configuration\n"
- " is-enabled NAME... Check whether unit files are enabled\n"
- " mask NAME... Mask one or more units\n"
- " unmask NAME... Unmask one or more units\n"
- " link PATH... Link one or more units files into\n"
- " the search path\n"
- " add-wants TARGET NAME... Add 'Wants' dependency for the target\n"
- " on specified one or more units\n"
- " add-requires TARGET NAME... Add 'Requires' dependency for the target\n"
- " on specified one or more units\n"
- " edit NAME... Edit one or more unit files\n"
- " get-default Get the name of the default target\n"
- " set-default NAME Set the default target\n\n"
- "Machine Commands:\n"
- " list-machines [PATTERN...] List local containers and host\n\n"
- "Job Commands:\n"
- " list-jobs [PATTERN...] List jobs\n"
- " cancel [JOB...] Cancel all, one, or more jobs\n\n"
- "Snapshot Commands:\n"
- " snapshot [NAME] Create a snapshot\n"
- " delete NAME... Remove one or more snapshots\n\n"
- "Environment Commands:\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"
- " import-environment [NAME...] Import all or some environment variables\n\n"
- "Manager Lifecycle Commands:\n"
- " daemon-reload Reload systemd manager configuration\n"
- " daemon-reexec Reexecute systemd manager\n\n"
- "System Commands:\n"
- " is-system-running Check whether system is fully running\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 [ARG] Shut down and reboot the system\n"
- " kexec Shut down and reboot the system with kexec\n"
- " exit Request user instance exit\n"
- " switch-root ROOT [INIT] Change to a different root file system\n"
- " suspend Suspend the system\n"
- " hibernate Hibernate the system\n"
- " hybrid-sleep Hibernate and suspend the system\n",
- program_invocation_short_name);
-}
-
-static void halt_help(void) {
- printf("%s [OPTIONS...]%s\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 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"
- " --no-wall Don't send wall message before halt/power-off/reboot\n",
- program_invocation_short_name,
- arg_action == ACTION_REBOOT ? " [ARG]" : "",
- arg_action == ACTION_REBOOT ? "Reboot" :
- arg_action == ACTION_POWEROFF ? "Power off" :
- "Halt");
-}
-
-static void shutdown_help(void) {
- 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, overridden by --halt\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);
-}
-
-static void telinit_help(void) {
- 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 halt/power-off/reboot\n\n"
- "Commands:\n"
- " 0 Power-off the machine\n"
- " 6 Reboot the machine\n"
- " 2, 3, 4, 5 Start runlevelX.target unit\n"
- " 1, s, S Enter rescue mode\n"
- " q, Q Reload init daemon configuration\n"
- " u, U Reexecute init daemon\n",
- program_invocation_short_name);
-}
-
-static void runlevel_help(void) {
- 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 void help_types(void) {
- int i;
- const char *t;
-
- if (!arg_no_legend)
- puts("Available unit types:");
- for (i = 0; i < _UNIT_TYPE_MAX; i++) {
- t = unit_type_to_string(i);
- if (t)
- puts(t);
- }
-}
-
-static int systemctl_parse_argv(int argc, char *argv[]) {
-
- enum {
- ARG_FAIL = 0x100,
- ARG_REVERSE,
- ARG_AFTER,
- ARG_BEFORE,
- ARG_SHOW_TYPES,
- ARG_IRREVERSIBLE,
- ARG_IGNORE_DEPENDENCIES,
- ARG_VERSION,
- ARG_USER,
- ARG_SYSTEM,
- ARG_GLOBAL,
- ARG_NO_BLOCK,
- ARG_NO_LEGEND,
- ARG_NO_PAGER,
- ARG_NO_WALL,
- ARG_ROOT,
- ARG_NO_RELOAD,
- ARG_KILL_WHO,
- ARG_NO_ASK_PASSWORD,
- ARG_FAILED,
- ARG_RUNTIME,
- ARG_FORCE,
- ARG_PLAIN,
- ARG_STATE,
- ARG_JOB_MODE,
- ARG_PRESET_MODE,
- };
-
- 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' },
- { "reverse", no_argument, NULL, ARG_REVERSE },
- { "after", no_argument, NULL, ARG_AFTER },
- { "before", no_argument, NULL, ARG_BEFORE },
- { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
- { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
- { "full", no_argument, NULL, 'l' },
- { "job-mode", required_argument, NULL, ARG_JOB_MODE },
- { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
- { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
- { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
- { "ignore-inhibitors", no_argument, NULL, 'i' },
- { "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-legend", no_argument, NULL, ARG_NO_LEGEND },
- { "no-pager", no_argument, NULL, ARG_NO_PAGER },
- { "no-wall", no_argument, NULL, ARG_NO_WALL },
- { "quiet", no_argument, NULL, 'q' },
- { "root", required_argument, NULL, ARG_ROOT },
- { "force", no_argument, NULL, ARG_FORCE },
- { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
- { "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' },
- { "machine", required_argument, NULL, 'M' },
- { "runtime", no_argument, NULL, ARG_RUNTIME },
- { "lines", required_argument, NULL, 'n' },
- { "output", required_argument, NULL, 'o' },
- { "plain", no_argument, NULL, ARG_PLAIN },
- { "state", required_argument, NULL, ARG_STATE },
- { "recursive", no_argument, NULL, 'r' },
- { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
- {}
- };
-
- int c;
-
- assert(argc >= 0);
- assert(argv);
-
- while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:ir", options, NULL)) >= 0)
-
- switch (c) {
-
- case 'h':
- systemctl_help();
- return 0;
-
- case ARG_VERSION:
- puts(PACKAGE_STRING);
- puts(SYSTEMD_FEATURES);
- return 0;
-
- case 't': {
- const char *word, *state;
- size_t size;
-
- FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) {
- _cleanup_free_ char *type;
-
- type = strndup(word, size);
- if (!type)
- return -ENOMEM;
-
- if (streq(type, "help")) {
- help_types();
- return 0;
- }
-
- if (unit_type_from_string(type) >= 0) {
- if (strv_push(&arg_types, type))
- return log_oom();
- type = NULL;
- continue;
- }
-
- /* It's much nicer to use --state= for
- * load states, but let's support this
- * in --types= too for compatibility
- * with old versions */
- if (unit_load_state_from_string(optarg) >= 0) {
- if (strv_push(&arg_states, type) < 0)
- return log_oom();
- type = NULL;
- continue;
- }
-
- log_error("Unknown unit type or load state '%s'.", type);
- log_info("Use -t help to see a list of allowed values.");
- return -EINVAL;
- }
-
- break;
- }
-
- case 'p': {
- /* Make sure that if the empty property list
- was specified, we won't show any properties. */
- if (isempty(optarg) && !arg_properties) {
- arg_properties = new0(char*, 1);
- if (!arg_properties)
- return log_oom();
- } else {
- const char *word, *state;
- size_t size;
-
- FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) {
- char *prop;
-
- prop = strndup(word, size);
- if (!prop)
- return log_oom();
-
- if (strv_consume(&arg_properties, prop) < 0)
- return log_oom();
- }
- }
-
- /* 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_REVERSE:
- arg_dependency = DEPENDENCY_REVERSE;
- break;
-
- case ARG_AFTER:
- arg_dependency = DEPENDENCY_AFTER;
- break;
-
- case ARG_BEFORE:
- arg_dependency = DEPENDENCY_BEFORE;
- break;
-
- case ARG_SHOW_TYPES:
- arg_show_types = true;
- break;
-
- case ARG_JOB_MODE:
- arg_job_mode = optarg;
- break;
-
- case ARG_FAIL:
- arg_job_mode = "fail";
- break;
-
- case ARG_IRREVERSIBLE:
- arg_job_mode = "replace-irreversibly";
- break;
-
- case ARG_IGNORE_DEPENDENCIES:
- arg_job_mode = "ignore-dependencies";
- break;
-
- case ARG_USER:
- arg_scope = UNIT_FILE_USER;
- break;
-
- case ARG_SYSTEM:
- arg_scope = UNIT_FILE_SYSTEM;
- break;
-
- case ARG_GLOBAL:
- arg_scope = UNIT_FILE_GLOBAL;
- break;
-
- case ARG_NO_BLOCK:
- arg_no_block = true;
- break;
-
- case ARG_NO_LEGEND:
- arg_no_legend = true;
- break;
-
- case ARG_NO_PAGER:
- arg_no_pager = true;
- break;
-
- case ARG_NO_WALL:
- arg_no_wall = true;
- break;
-
- case ARG_ROOT:
- arg_root = optarg;
- break;
-
- case 'l':
- arg_full = true;
- break;
-
- case ARG_FAILED:
- if (strv_extend(&arg_states, "failed") < 0)
- return log_oom();
-
- break;
-
- case 'q':
- arg_quiet = true;
- break;
-
- case ARG_FORCE:
- arg_force ++;
- break;
-
- case 'f':
- arg_force ++;
- break;
-
- case ARG_NO_RELOAD:
- arg_no_reload = true;
- break;
-
- case ARG_KILL_WHO:
- arg_kill_who = optarg;
- break;
-
- 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_NO_ASK_PASSWORD:
- arg_ask_password = false;
- break;
-
- case 'H':
- arg_transport = BUS_TRANSPORT_REMOTE;
- arg_host = optarg;
- break;
-
- case 'M':
- arg_transport = BUS_TRANSPORT_MACHINE;
- arg_host = optarg;
- break;
-
- case ARG_RUNTIME:
- arg_runtime = true;
- break;
-
- case 'n':
- if (safe_atou(optarg, &arg_lines) < 0) {
- log_error("Failed to parse lines '%s'", optarg);
- return -EINVAL;
- }
- break;
-
- case 'o':
- arg_output = output_mode_from_string(optarg);
- if (arg_output < 0) {
- log_error("Unknown output '%s'.", optarg);
- return -EINVAL;
- }
- break;
-
- case 'i':
- arg_ignore_inhibitors = true;
- break;
-
- case ARG_PLAIN:
- arg_plain = true;
- break;
-
- case ARG_STATE: {
- const char *word, *state;
- size_t size;
-
- FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) {
- char *s;
-
- s = strndup(word, size);
- if (!s)
- return log_oom();
-
- if (strv_consume(&arg_states, s) < 0)
- return log_oom();
- }
- break;
- }
-
- case 'r':
- if (geteuid() != 0) {
- log_error("--recursive requires root privileges.");
- return -EPERM;
- }
-
- arg_recursive = true;
- break;
-
- case ARG_PRESET_MODE:
-
- arg_preset_mode = unit_file_preset_mode_from_string(optarg);
- if (arg_preset_mode < 0) {
- log_error("Failed to parse preset mode: %s.", optarg);
- return -EINVAL;
- }
-
- break;
-
- case '?':
- return -EINVAL;
-
- default:
- assert_not_reached("Unhandled option");
- }
-
- if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM) {
- log_error("Cannot access user instance remotely.");
- return -EINVAL;
- }
-
- return 1;
-}
-
-static int halt_parse_argv(int argc, char *argv[]) {
-
- enum {
- ARG_HELP = 0x100,
- ARG_HALT,
- ARG_REBOOT,
- ARG_NO_WALL
- };
-
- static const struct option options[] = {
- { "help", no_argument, NULL, ARG_HELP },
- { "halt", no_argument, NULL, ARG_HALT },
- { "poweroff", no_argument, NULL, 'p' },
- { "reboot", no_argument, NULL, ARG_REBOOT },
- { "force", no_argument, NULL, 'f' },
- { "wtmp-only", no_argument, NULL, 'w' },
- { "no-wtmp", no_argument, NULL, 'd' },
- { "no-wall", no_argument, NULL, ARG_NO_WALL },
- {}
- };
-
- int c, r, runlevel;
-
- assert(argc >= 0);
- assert(argv);
-
- if (utmp_get_runlevel(&runlevel, NULL) >= 0)
- if (runlevel == '0' || runlevel == '6')
- arg_force = 2;
-
- while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
- switch (c) {
-
- case ARG_HELP:
- halt_help();
- return 0;
-
- case ARG_HALT:
- arg_action = ACTION_HALT;
- break;
-
- case 'p':
- if (arg_action != ACTION_REBOOT)
- arg_action = ACTION_POWEROFF;
- break;
-
- case ARG_REBOOT:
- arg_action = ACTION_REBOOT;
- break;
-
- case 'f':
- arg_force = 2;
- break;
-
- case 'w':
- arg_dry = true;
- break;
-
- case 'd':
- arg_no_wtmp = true;
- break;
-
- case ARG_NO_WALL:
- arg_no_wall = true;
- break;
-
- case 'i':
- case 'h':
- case 'n':
- /* Compatibility nops */
- break;
-
- case '?':
- return -EINVAL;
-
- default:
- assert_not_reached("Unhandled option");
- }
-
- if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
- r = update_reboot_param_file(argc == optind + 1 ? argv[optind] : NULL);
- if (r < 0)
- return r;
- } else if (optind < argc) {
- log_error("Too many arguments.");
- return -EINVAL;
- }
-
- 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 (!strchr(t, ':')) {
- uint64_t u;
-
- if (safe_atou64(t, &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);
-
- 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 int shutdown_parse_argv(int argc, char *argv[]) {
-
- enum {
- ARG_HELP = 0x100,
- ARG_NO_WALL
- };
-
- static const struct option options[] = {
- { "help", no_argument, NULL, ARG_HELP },
- { "halt", no_argument, NULL, 'H' },
- { "poweroff", no_argument, NULL, 'P' },
- { "reboot", no_argument, NULL, 'r' },
- { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
- { "no-wall", no_argument, NULL, ARG_NO_WALL },
- {}
- };
-
- int c, r;
-
- assert(argc >= 0);
- assert(argv);
-
- while ((c = getopt_long(argc, argv, "HPrhkKt:afFc", options, NULL)) >= 0)
- switch (c) {
-
- case ARG_HELP:
- shutdown_help();
- return 0;
-
- case 'H':
- arg_action = ACTION_HALT;
- break;
-
- case 'P':
- arg_action = ACTION_POWEROFF;
- break;
-
- case 'r':
- if (kexec_loaded())
- arg_action = ACTION_KEXEC;
- else
- arg_action = ACTION_REBOOT;
- break;
-
- case 'K':
- arg_action = ACTION_KEXEC;
- break;
-
- case 'h':
- if (arg_action != ACTION_HALT)
- arg_action = ACTION_POWEROFF;
- break;
-
- case 'k':
- arg_dry = true;
- break;
-
- case ARG_NO_WALL:
- arg_no_wall = true;
- break;
-
- case 't':
- case 'a':
- case 'f':
- case 'F':
- /* Compatibility nops */
- break;
-
- case 'c':
- arg_action = ACTION_CANCEL_SHUTDOWN;
- break;
-
- case '?':
- return -EINVAL;
-
- default:
- assert_not_reached("Unhandled option");
- }
-
- if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
- r = parse_time_spec(argv[optind], &arg_when);
- if (r < 0) {
- log_error("Failed to parse time specification: %s", argv[optind]);
- return r;
- }
- } else
- arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
-
- if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
- /* No time argument for shutdown cancel */
- arg_wall = argv + optind;
- else if (argc > optind + 1)
- /* We skip the time argument */
- arg_wall = argv + optind + 1;
-
- optind = argc;
-
- return 1;
-}
-
-static int telinit_parse_argv(int argc, char *argv[]) {
-
- enum {
- ARG_HELP = 0x100,
- ARG_NO_WALL
- };
-
- static const struct option options[] = {
- { "help", no_argument, NULL, ARG_HELP },
- { "no-wall", no_argument, NULL, ARG_NO_WALL },
- {}
- };
-
- static const struct {
- char from;
- enum action to;
- } table[] = {
- { '0', ACTION_POWEROFF },
- { '6', ACTION_REBOOT },
- { '1', ACTION_RESCUE },
- { '2', ACTION_RUNLEVEL2 },
- { '3', ACTION_RUNLEVEL3 },
- { '4', ACTION_RUNLEVEL4 },
- { '5', ACTION_RUNLEVEL5 },
- { 's', ACTION_RESCUE },
- { 'S', ACTION_RESCUE },
- { 'q', ACTION_RELOAD },
- { 'Q', ACTION_RELOAD },
- { 'u', ACTION_REEXEC },
- { 'U', ACTION_REEXEC }
- };
-
- unsigned i;
- int c;
-
- assert(argc >= 0);
- assert(argv);
-
- while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
- switch (c) {
-
- case ARG_HELP:
- telinit_help();
- return 0;
-
- case ARG_NO_WALL:
- arg_no_wall = true;
- break;
-
- case '?':
- return -EINVAL;
-
- default:
- assert_not_reached("Unhandled option");
- }
-
- if (optind >= argc) {
- log_error("%s: required argument missing.",
- program_invocation_short_name);
- return -EINVAL;
- }
-
- if (optind + 1 < argc) {
- log_error("Too many arguments.");
- return -EINVAL;
- }
-
- if (strlen(argv[optind]) != 1) {
- log_error("Expected single character argument.");
- return -EINVAL;
- }
-
- for (i = 0; i < ELEMENTSOF(table); i++)
- if (table[i].from == argv[optind][0])
- break;
-
- if (i >= ELEMENTSOF(table)) {
- log_error("Unknown command '%s'.", argv[optind]);
- return -EINVAL;
- }
-
- arg_action = table[i].to;
-
- optind ++;
-
- return 1;
-}
-
-static int runlevel_parse_argv(int argc, char *argv[]) {
-
- enum {
- ARG_HELP = 0x100,
- };
-
- static const struct option options[] = {
- { "help", no_argument, NULL, ARG_HELP },
- {}
- };
-
- int c;
-
- assert(argc >= 0);
- assert(argv);
-
- while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
- switch (c) {
-
- case ARG_HELP:
- runlevel_help();
- return 0;
-
- case '?':
- return -EINVAL;
-
- default:
- assert_not_reached("Unhandled option");
- }
-
- if (optind < argc) {
- log_error("Too many arguments.");
- return -EINVAL;
- }
-
- return 1;
-}
-
-static int parse_argv(int argc, char *argv[]) {
- assert(argc >= 0);
- assert(argv);
-
- if (program_invocation_short_name) {
-
- if (strstr(program_invocation_short_name, "halt")) {
- arg_action = ACTION_HALT;
- return halt_parse_argv(argc, argv);
- } else if (strstr(program_invocation_short_name, "poweroff")) {
- arg_action = ACTION_POWEROFF;
- return halt_parse_argv(argc, argv);
- } else if (strstr(program_invocation_short_name, "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")) {
-
- 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(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);
- }
- }
-
- arg_action = ACTION_SYSTEMCTL;
- return systemctl_parse_argv(argc, argv);
-}
-
-_pure_ 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_initctl(void) {
-
- struct init_request request = {
- .magic = INIT_MAGIC,
- .sleeptime = 0,
- .cmd = INIT_CMD_RUNLVL
- };
-
- _cleanup_close_ int fd = -1;
- char rl;
- int r;
-
- rl = action_to_runlevel();
- if (!rl)
- return 0;
-
- request.runlevel = rl;
-
- fd = open(INIT_FIFO, O_WRONLY|O_NDELAY|O_CLOEXEC|O_NOCTTY);
- if (fd < 0) {
- if (errno == ENOENT)
- return 0;
-
- log_error_errno(errno, "Failed to open "INIT_FIFO": %m");
- return -errno;
- }
-
- r = loop_write(fd, &request, sizeof(request), false);
- if (r < 0)
- return log_error_errno(r, "Failed to write to "INIT_FIFO": %m");
-
- return 1;
-}
-
-static int systemctl_main(sd_bus *bus, int argc, char *argv[], int bus_error) {
-
- static const struct {
- const char* verb;
- const enum {
- MORE,
- LESS,
- EQUAL
- } argc_cmp;
- const int argc;
- int (* const dispatch)(sd_bus *bus, char **args);
- const enum {
- NOBUS = 1,
- FORCE,
- } bus;
- } verbs[] = {
- { "list-units", MORE, 0, list_units },
- { "list-unit-files", MORE, 1, list_unit_files, NOBUS },
- { "list-sockets", MORE, 1, list_sockets },
- { "list-timers", MORE, 1, list_timers },
- { "list-jobs", MORE, 1, list_jobs },
- { "list-machines", MORE, 1, list_machines },
- { "clear-jobs", EQUAL, 1, daemon_reload },
- { "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_active },
- { "check", MORE, 2, check_unit_active },
- { "is-failed", MORE, 2, check_unit_failed },
- { "show", MORE, 1, show },
- { "cat", MORE, 2, cat, NOBUS },
- { "status", MORE, 1, show },
- { "help", MORE, 2, show },
- { "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_environment },
- { "set-environment", MORE, 2, set_environment },
- { "unset-environment", MORE, 2, set_environment },
- { "import-environment", MORE, 1, import_environment},
- { "halt", EQUAL, 1, start_special, FORCE },
- { "poweroff", EQUAL, 1, start_special, FORCE },
- { "reboot", MORE, 1, start_special, FORCE },
- { "kexec", EQUAL, 1, start_special },
- { "suspend", EQUAL, 1, start_special },
- { "hibernate", EQUAL, 1, start_special },
- { "hybrid-sleep", 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, NOBUS },
- { "disable", MORE, 2, enable_unit, NOBUS },
- { "is-enabled", MORE, 2, unit_is_enabled, NOBUS },
- { "reenable", MORE, 2, enable_unit, NOBUS },
- { "preset", MORE, 2, enable_unit, NOBUS },
- { "preset-all", EQUAL, 1, preset_all, NOBUS },
- { "mask", MORE, 2, enable_unit, NOBUS },
- { "unmask", MORE, 2, enable_unit, NOBUS },
- { "link", MORE, 2, enable_unit, NOBUS },
- { "switch-root", MORE, 2, switch_root },
- { "list-dependencies", LESS, 2, list_dependencies },
- { "set-default", EQUAL, 2, set_default, NOBUS },
- { "get-default", EQUAL, 1, get_default, NOBUS },
- { "set-property", MORE, 3, set_property },
- { "is-system-running", EQUAL, 1, is_system_running },
- { "add-wants", MORE, 3, add_dependency, NOBUS },
- { "add-requires", MORE, 3, add_dependency, NOBUS },
- { "edit", MORE, 2, edit, NOBUS },
- {}
- }, *verb = verbs;
-
- int left;
-
- assert(argc >= 0);
- assert(argv);
-
- left = argc - optind;
-
- /* Special rule: no arguments (left == 0) means "list-units" */
- if (left > 0) {
- if (streq(argv[optind], "help") && !argv[optind+1]) {
- log_error("This command expects one or more "
- "unit names. Did you mean --help?");
- return -EINVAL;
- }
-
- for (; verb->verb; verb++)
- if (streq(argv[optind], verb->verb))
- goto found;
-
- log_error("Unknown operation '%s'.", argv[optind]);
- return -EINVAL;
- }
-found:
-
- switch (verb->argc_cmp) {
-
- case EQUAL:
- if (left != verb->argc) {
- log_error("Invalid number of arguments.");
- return -EINVAL;
- }
-
- break;
-
- case MORE:
- if (left < verb->argc) {
- log_error("Too few arguments.");
- return -EINVAL;
- }
-
- break;
-
- case LESS:
- if (left > verb->argc) {
- log_error("Too many arguments.");
- return -EINVAL;
- }
-
- break;
-
- default:
- assert_not_reached("Unknown comparison operator.");
- }
-
- /* Require a bus connection for all operations but
- * enable/disable */
- if (verb->bus == NOBUS) {
- if (!bus && !avoid_bus()) {
- log_error_errno(bus_error, "Failed to get D-Bus connection: %m");
- return -EIO;
- }
-
- } else {
- if (running_in_chroot() > 0) {
- log_info("Running in chroot, ignoring request.");
- return 0;
- }
-
- if ((verb->bus != FORCE || arg_force <= 0) && !bus) {
- log_error_errno(bus_error, "Failed to get D-Bus connection: %m");
- return -EIO;
- }
- }
-
- /* Increase max number of open files to 16K if we can, we
- * might needs this when browsing journal files, which might
- * be split up into many files. */
- setrlimit_closest(RLIMIT_NOFILE, &RLIMIT_MAKE_CONST(16384));
-
- return verb->dispatch(bus, argv + optind);
-}
-
-static int send_shutdownd(usec_t t, char mode, bool dry_run, bool warn, const char *message) {
-
- struct sd_shutdown_command c = {
- .usec = t,
- .mode = mode,
- .dry_run = dry_run,
- .warn_wall = warn,
- };
-
- union sockaddr_union sockaddr = {
- .un.sun_family = AF_UNIX,
- .un.sun_path = "/run/systemd/shutdownd",
- };
-
- struct iovec iovec[2] = {{
- .iov_base = (char*) &c,
- .iov_len = offsetof(struct sd_shutdown_command, wall_message),
- }};
-
- struct msghdr msghdr = {
- .msg_name = &sockaddr,
- .msg_namelen = offsetof(struct sockaddr_un, sun_path)
- + strlen("/run/systemd/shutdownd"),
- .msg_iov = iovec,
- .msg_iovlen = 1,
- };
-
- _cleanup_close_ int fd;
-
- fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0);
- if (fd < 0)
- return -errno;
-
- if (!isempty(message)) {
- iovec[1].iov_base = (char*) message;
- iovec[1].iov_len = strlen(message);
- msghdr.msg_iovlen++;
- }
-
- if (sendmsg(fd, &msghdr, MSG_NOSIGNAL) < 0)
- return -errno;
-
- return 0;
-}
-
-static int reload_with_fallback(sd_bus *bus) {
-
- if (bus) {
- /* First, try systemd via D-Bus. */
- if (daemon_reload(bus, NULL) >= 0)
- return 0;
- }
-
- /* Nothing else worked, so let's try signals */
- assert(arg_action == ACTION_RELOAD || arg_action == ACTION_REEXEC);
-
- if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
- return log_error_errno(errno, "kill() failed: %m");
-
- return 0;
-}
-
-static int start_with_fallback(sd_bus *bus) {
-
- if (bus) {
- /* First, try systemd via D-Bus. */
- if (start_unit(bus, NULL) >= 0)
- goto done;
- }
-
- /* Nothing else worked, so let's try
- * /dev/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_now(enum action a) {
-
- /* The kernel will automaticall flush ATA disks and suchlike
- * on reboot(), but the file systems need to be synce'd
- * explicitly in advance. */
- sync();
-
- /* Make sure C-A-D is handled by the kernel from this point
- * on... */
- reboot(RB_ENABLE_CAD);
-
- switch (a) {
-
- case ACTION_HALT:
- log_info("Halting.");
- reboot(RB_HALT_SYSTEM);
- return -errno;
-
- case ACTION_POWEROFF:
- log_info("Powering off.");
- reboot(RB_POWER_OFF);
- return -errno;
-
- case ACTION_REBOOT: {
- _cleanup_free_ char *param = NULL;
-
- if (read_one_line_file(REBOOT_PARAM_FILE, ¶m) >= 0) {
- log_info("Rebooting with argument '%s'.", param);
- syscall(SYS_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2,
- LINUX_REBOOT_CMD_RESTART2, param);
- }
-
- log_info("Rebooting.");
- reboot(RB_AUTOBOOT);
- return -errno;
- }
-
- default:
- assert_not_reached("Unknown action.");
- }
-}
-
-static int halt_main(sd_bus *bus) {
- int r;
-
- r = check_inhibitors(bus, arg_action);
- if (r < 0)
- return r;
-
- if (geteuid() != 0) {
- /* Try logind if we are a normal user and no special
- * mode applies. Maybe PolicyKit allows us to shutdown
- * the machine. */
-
- if (arg_when <= 0 &&
- !arg_dry &&
- arg_force <= 0 &&
- (arg_action == ACTION_POWEROFF ||
- arg_action == ACTION_REBOOT)) {
- r = reboot_with_logind(bus, arg_action);
- if (r >= 0)
- return r;
- }
-
- log_error("Must be root.");
- return -EPERM;
- }
-
- if (arg_when > 0) {
- _cleanup_free_ char *m;
-
- m = strv_join(arg_wall, " ");
- if (!m)
- return log_oom();
-
- r = send_shutdownd(arg_when,
- arg_action == ACTION_HALT ? 'H' :
- arg_action == ACTION_POWEROFF ? 'P' :
- arg_action == ACTION_KEXEC ? 'K' :
- 'r',
- arg_dry,
- !arg_no_wall,
- m);
-
- if (r < 0)
- log_warning_errno(r, "Failed to talk to shutdownd, proceeding with immediate shutdown: %m");
- else {
- char date[FORMAT_TIMESTAMP_MAX];
-
- log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.",
- format_timestamp(date, sizeof(date), arg_when));
- return 0;
- }
- }
-
- if (!arg_dry && !arg_force)
- return start_with_fallback(bus);
-
- if (!arg_no_wtmp) {
- if (sd_booted() > 0)
- log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
- else {
- r = utmp_put_shutdown();
- if (r < 0)
- log_warning_errno(r, "Failed to write utmp record: %m");
- }
- }
-
- if (arg_dry)
- return 0;
-
- r = halt_now(arg_action);
- log_error_errno(r, "Failed to reboot: %m");
-
- return r;
-}
-
-static int runlevel_main(void) {
- int r, runlevel, previous;
-
- r = utmp_get_runlevel(&runlevel, &previous);
- if (r < 0) {
- puts("unknown");
- return r;
- }
-
- printf("%c %c\n",
- previous <= 0 ? 'N' : previous,
- runlevel <= 0 ? 'N' : runlevel);
-
- return 0;
-}
-
-int main(int argc, char*argv[]) {
- _cleanup_bus_close_unref_ sd_bus *bus = NULL;
- int r;
-
- setlocale(LC_ALL, "");
- log_parse_environment();
- log_open();
-
- /* Explicitly not on_tty() to avoid setting cached value.
- * This becomes relevant for piping output which might be
- * ellipsized. */
- original_stdout_is_tty = isatty(STDOUT_FILENO);
-
- r = parse_argv(argc, argv);
- if (r <= 0)
- goto finish;
-
- /* /sbin/runlevel doesn't need to communicate via D-Bus, so
- * let's shortcut this */
- if (arg_action == ACTION_RUNLEVEL) {
- r = runlevel_main();
- goto finish;
- }
-
- if (running_in_chroot() > 0 && arg_action != ACTION_SYSTEMCTL) {
- log_info("Running in chroot, ignoring request.");
- r = 0;
- goto finish;
- }
-
- if (!avoid_bus())
- r = bus_open_transport_systemd(arg_transport, arg_host, arg_scope != UNIT_FILE_SYSTEM, &bus);
-
- if (bus)
- sd_bus_set_allow_interactive_authorization(bus, arg_ask_password);
-
- /* systemctl_main() will print an error message for the bus
- * connection, but only if it needs to */
-
- switch (arg_action) {
-
- case ACTION_SYSTEMCTL:
- r = systemctl_main(bus, argc, argv, r);
- break;
-
- case ACTION_HALT:
- case ACTION_POWEROFF:
- case ACTION_REBOOT:
- case ACTION_KEXEC:
- r = halt_main(bus);
- break;
-
- case ACTION_RUNLEVEL2:
- case ACTION_RUNLEVEL3:
- case ACTION_RUNLEVEL4:
- case ACTION_RUNLEVEL5:
- case ACTION_RESCUE:
- case ACTION_EMERGENCY:
- case ACTION_DEFAULT:
- r = start_with_fallback(bus);
- break;
-
- case ACTION_RELOAD:
- case ACTION_REEXEC:
- r = reload_with_fallback(bus);
- break;
-
- case ACTION_CANCEL_SHUTDOWN: {
- _cleanup_free_ char *m = NULL;
-
- if (arg_wall) {
- m = strv_join(arg_wall, " ");
- if (!m) {
- r = log_oom();
- goto finish;
- }
- }
-
- r = send_shutdownd(arg_when, SD_SHUTDOWN_NONE, false, !arg_no_wall, m);
- if (r < 0)
- log_warning_errno(r, "Failed to talk to shutdownd, shutdown hasn't been cancelled: %m");
- break;
- }
-
- case ACTION_RUNLEVEL:
- case _ACTION_INVALID:
- default:
- assert_not_reached("Unknown action");
- }
-
-finish:
- pager_close();
- ask_password_agent_close();
- polkit_agent_close();
-
- strv_free(arg_types);
- strv_free(arg_states);
- strv_free(arg_properties);
-
- return r < 0 ? EXIT_FAILURE : r;
-}
~ianmdlvl / elogind.git / commitdiff