X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fsystemctl.c;h=c77f831eaaafdf72b255d810517e64b30ab45e78;hp=de928c56610e513a3b5b1a2e6319119138afbe66;hb=f786e80d7a76fd7446d142f610d62ea8c28ed902;hpb=ea4a240dc2e70adcb39704542b1422b1608e76e6 diff --git a/src/systemctl.c b/src/systemctl.c index de928c566..bb998d37e 100644 --- a/src/systemctl.c +++ b/src/systemctl.c @@ -1,4 +1,4 @@ -/*-*- Mode: C; c-basic-offset: 8 -*-*/ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. @@ -30,7 +30,9 @@ #include #include #include - +#include +#include +#include #include #include "log.h" @@ -45,27 +47,51 @@ #include "cgroup-show.h" #include "cgroup-util.h" #include "list.h" +#include "path-lookup.h" +#include "conf-parser.h" +#include "sd-daemon.h" +#include "shutdownd.h" +#include "exit-status.h" +#include "bus-errors.h" +#include "build.h" +#include "unit-name.h" +#include "pager.h" +#include "spawn-agent.h" +#include "install.h" static const char *arg_type = NULL; static char **arg_property = NULL; static bool arg_all = false; -static bool arg_fail = false; -static bool arg_session = false; -static bool arg_no_block = false; +static const char *arg_job_mode = "replace"; +static UnitFileScope arg_scope = UNIT_FILE_SYSTEM; static bool arg_immediate = false; +static bool arg_no_block = false; +static bool arg_no_pager = false; static bool arg_no_wtmp = false; static bool arg_no_sync = false; static bool arg_no_wall = false; +static bool arg_no_reload = false; static bool arg_dry = false; static bool arg_quiet = false; -static char arg_full = false; +static bool arg_full = false; +static bool arg_force = false; +static bool arg_ask_password = false; +static bool arg_failed = false; +static bool arg_runtime = false; static char **arg_wall = NULL; +static const char *arg_kill_who = NULL; +static const char *arg_kill_mode = 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_RUNLEVEL2, ACTION_RUNLEVEL3, ACTION_RUNLEVEL4, @@ -76,6 +102,7 @@ static enum action { ACTION_RELOAD, ACTION_REEXEC, ACTION_RUNLEVEL, + ACTION_CANCEL_SHUTDOWN, _ACTION_MAX } arg_action = ACTION_SYSTEMCTL; static enum dot { @@ -83,23 +110,71 @@ static enum dot { DOT_ORDER, DOT_REQUIRE } arg_dot = DOT_ALL; +static enum transport { + TRANSPORT_NORMAL, + TRANSPORT_SSH, + TRANSPORT_POLKIT +} arg_transport = TRANSPORT_NORMAL; +static const char *arg_host = NULL; static bool private_bus = false; -static const char *ansi_highlight(bool b) { +static int daemon_reload(DBusConnection *bus, char **args); + +static bool on_tty(void) { static int t = -1; + /* Note that this is invoked relatively early, before we start + * the pager. That means the value we return reflects whether + * we originally were started on a tty, not if we currently + * are. But this is intended, since we want colour and so on + * when run in our own pager. */ + if (_unlikely_(t < 0)) t = isatty(STDOUT_FILENO) > 0; - if (!t) + return t; +} + +static void pager_open_if_enabled(void) { + on_tty(); + + if (arg_no_pager) + return; + + pager_open(); +} + +static void 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; + + agent_open(); +} + +static const char *ansi_highlight(bool b) { + + if (!on_tty()) return ""; return b ? ANSI_HIGHLIGHT_ON : ANSI_HIGHLIGHT_OFF; } -static bool error_is_no_service(DBusError *error) { +static const char *ansi_highlight_green(bool b) { + + if (!on_tty()) + return ""; + + return b ? ANSI_HIGHLIGHT_GREEN_ON : ANSI_HIGHLIGHT_OFF; +} +static bool error_is_no_service(const DBusError *error) { assert(error); if (!dbus_error_is_set(error)) @@ -114,20 +189,32 @@ static bool error_is_no_service(DBusError *error) { return startswith(error->name, "org.freedesktop.DBus.Error.Spawn."); } -static int bus_iter_get_basic_and_next(DBusMessageIter *iter, int type, void *data, bool next) { +static int translate_bus_error_to_exit_status(int r, const DBusError *error) { + assert(error); - assert(iter); - assert(data); + if (!dbus_error_is_set(error)) + return r; - if (dbus_message_iter_get_arg_type(iter) != type) - return -EIO; + if (dbus_error_has_name(error, DBUS_ERROR_ACCESS_DENIED) || + dbus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) || + dbus_error_has_name(error, BUS_ERROR_NO_ISOLATION) || + dbus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE)) + return EXIT_NOPERMISSION; - dbus_message_iter_get_basic(iter, data); + if (dbus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT)) + return EXIT_NOTINSTALLED; - if (!dbus_message_iter_next(iter) != !next) - return -EIO; + if (dbus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) || + dbus_error_has_name(error, BUS_ERROR_NOT_SUPPORTED)) + return EXIT_NOTIMPLEMENTED; - return 0; + if (dbus_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 action) { @@ -135,6 +222,7 @@ static void warn_wall(enum action action) { [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!" }; @@ -151,7 +239,7 @@ static void warn_wall(enum action action) { } if (*p) { - utmp_wall(p); + utmp_wall(p, NULL); free(p); return; } @@ -162,20 +250,177 @@ static void warn_wall(enum action action) { if (!table[action]) return; - utmp_wall(table[action]); + utmp_wall(table[action], 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; +} + +struct unit_info { + const char *id; + const char *description; + const char *load_state; + const char *active_state; + const char *sub_state; + const char *following; + const char *unit_path; + uint32_t job_id; + const char *job_type; + const char *job_path; +}; + +static int compare_unit_info(const void *a, const void *b) { + const char *d1, *d2; + const struct unit_info *u = a, *v = b; + + d1 = strrchr(u->id, '.'); + d2 = strrchr(v->id, '.'); + + if (d1 && d2) { + int r; + + if ((r = strcasecmp(d1, d2)) != 0) + return r; + } + + return strcasecmp(u->id, v->id); +} + +static bool output_show_unit(const struct unit_info *u) { + const char *dot; + + if (arg_failed) + return streq(u->active_state, "failed"); + + return (!arg_type || ((dot = strrchr(u->id, '.')) && + streq(dot+1, arg_type))) && + (arg_all || !(streq(u->active_state, "inactive") || u->following[0]) || u->job_id > 0); +} + +static void output_units_list(const struct unit_info *unit_infos, unsigned c) { + unsigned active_len, sub_len, job_len, n_shown = 0; + const struct unit_info *u; + + active_len = sizeof("ACTIVE")-1; + sub_len = sizeof("SUB")-1; + job_len = sizeof("JOB")-1; + + for (u = unit_infos; u < unit_infos + c; u++) { + if (!output_show_unit(u)) + continue; + + active_len = MAX(active_len, strlen(u->active_state)); + sub_len = MAX(sub_len, strlen(u->sub_state)); + if (u->job_id != 0) + job_len = MAX(job_len, strlen(u->job_type)); + } + + if (on_tty()) { + printf("%-25s %-6s %-*s %-*s %-*s", "UNIT", "LOAD", + active_len, "ACTIVE", sub_len, "SUB", job_len, "JOB"); + if (columns() >= 80+12 || arg_full || !arg_no_pager) + printf(" %s\n", "DESCRIPTION"); + else + printf("\n"); + } + + for (u = unit_infos; u < unit_infos + c; u++) { + char *e; + int a = 0, b = 0; + const char *on_loaded, *off_loaded; + const char *on_active, *off_active; + + if (!output_show_unit(u)) + continue; + + n_shown++; + + if (!streq(u->load_state, "loaded") && + !streq(u->load_state, "banned")) { + on_loaded = ansi_highlight(true); + off_loaded = ansi_highlight(false); + } else + on_loaded = off_loaded = ""; + + if (streq(u->active_state, "failed")) { + on_active = ansi_highlight(true); + off_active = ansi_highlight(false); + } else + on_active = off_active = ""; + + e = arg_full ? NULL : ellipsize(u->id, 25, 33); + + printf("%-25s %s%-6s%s %s%-*s %-*s%s%n", + e ? e : u->id, + on_loaded, u->load_state, off_loaded, + on_active, active_len, u->active_state, + sub_len, u->sub_state, off_active, + &a); + + free(e); + + a -= strlen(on_loaded) + strlen(off_loaded); + a -= strlen(on_active) + strlen(off_active); + + if (u->job_id != 0) + printf(" %-*s", job_len, u->job_type); + else + b = 1 + job_len; + + if (a + b + 1 < columns()) { + if (u->job_id == 0) + printf(" %-*s", job_len, ""); + + if (arg_full || !arg_no_pager) + printf(" %s", u->description); + else + printf(" %.*s", columns() - a - b - 1, u->description); + } + + fputs("\n", stdout); + } + + if (on_tty()) { + printf("\nLOAD = Reflects whether the unit definition was properly loaded.\n" + "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n" + "SUB = The low-level unit activation state, values depend on unit type.\n" + "JOB = Pending job for the unit.\n"); + + if (arg_all) + printf("\n%u units listed.\n", n_shown); + else + printf("\n%u units listed. Pass --all to see inactive units, too.\n", n_shown); + } } -static int list_units(DBusConnection *bus, char **args, unsigned n) { +static int list_units(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; DBusError error; int r; DBusMessageIter iter, sub, sub2; - unsigned k = 0; + unsigned c = 0, n_units = 0; + struct unit_info *unit_infos = NULL; dbus_error_init(&error); assert(bus); + pager_open_if_enabled(); + if (!(m = dbus_message_new_method_call( "org.freedesktop.systemd1", "/org/freedesktop/systemd1", @@ -186,7 +431,7 @@ static int list_units(DBusConnection *bus, char **args, unsigned n) { } if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { - log_error("Failed to issue method call: %s", error.message); + log_error("Failed to issue method call: %s", bus_error_message(&error)); r = -EIO; goto finish; } @@ -201,12 +446,8 @@ static int list_units(DBusConnection *bus, char **args, unsigned n) { dbus_message_iter_recurse(&iter, &sub); - if (isatty(STDOUT_FILENO)) - printf("%-45s %-6s %-12s %-12s %-15s %s\n", "UNIT", "LOAD", "ACTIVE", "SUB", "JOB", "DESCRIPTION"); - while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { - const char *id, *description, *load_state, *active_state, *sub_state, *following, *unit_path, *job_type, *job_path, *dot; - uint32_t job_id; + struct unit_info *u; if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) { log_error("Failed to parse reply."); @@ -214,69 +455,251 @@ static int list_units(DBusConnection *bus, char **args, unsigned n) { goto finish; } + if (c >= n_units) { + struct unit_info *w; + + n_units = MAX(2*c, 16); + w = realloc(unit_infos, sizeof(struct unit_info) * n_units); + + if (!w) { + log_error("Failed to allocate unit array."); + r = -ENOMEM; + goto finish; + } + + unit_infos = w; + } + + u = unit_infos+c; + dbus_message_iter_recurse(&sub, &sub2); - if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &id, true) < 0 || - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &description, true) < 0 || - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &load_state, true) < 0 || - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &active_state, true) < 0 || - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &sub_state, true) < 0 || - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &following, true) < 0 || - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, true) < 0 || - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &job_id, true) < 0 || - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &job_type, true) < 0 || - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &job_path, false) < 0) { + if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->id, true) < 0 || + bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->description, true) < 0 || + bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->load_state, true) < 0 || + bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->active_state, true) < 0 || + bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->sub_state, true) < 0 || + bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->following, true) < 0 || + bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &u->unit_path, true) < 0 || + bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &u->job_id, true) < 0 || + bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->job_type, true) < 0 || + bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &u->job_path, false) < 0) { log_error("Failed to parse reply."); r = -EIO; goto finish; } - if ((!arg_type || ((dot = strrchr(id, '.')) && - streq(dot+1, arg_type))) && - (arg_all || !(streq(active_state, "inactive") || following[0]) || job_id > 0)) { - char *e; - int a = 0, b = 0; + dbus_message_iter_next(&sub); + c++; + } - if (streq(active_state, "maintenance")) - fputs(ansi_highlight(true), stdout); + if (c > 0) { + qsort(unit_infos, c, sizeof(struct unit_info), compare_unit_info); + output_units_list(unit_infos, c); + } - e = arg_full ? NULL : ellipsize(id, 45, 33); - printf("%-45s %-6s %-12s %-12s%n", e ? e : id, load_state, active_state, sub_state, &a); - free(e); + r = 0; - if (job_id != 0) - printf(" => %-12s%n", job_type, &b); - else - b = 1 + 15; +finish: + if (m) + dbus_message_unref(m); - if (a + b + 2 < columns()) { - if (job_id == 0) - printf(" "); + if (reply) + dbus_message_unref(reply); - printf(" %.*s", columns() - a - b - 2, description); - } + free(unit_infos); - if (streq(active_state, "maintenance")) - fputs(ansi_highlight(false), stdout); + dbus_error_free(&error); - fputs("\n", stdout); - k++; - } + return r; +} - dbus_message_iter_next(&sub); +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; } - if (isatty(STDOUT_FILENO)) { + return strcasecmp(file_name_from_path(u->path), file_name_from_path(v->path)); +} + +static bool output_show_unit_file(const UnitFileList *u) { + const char *dot; - printf("\nLOAD = Load State, reflects whether the unit configuration was properly loaded.\n" - "ACTIVE = Active State, the high-level unit activation state, i.e. generalization of the substate.\n" - "SUB = Substate, the low-level unit activation state, possible values depend on unit type.\n" - "JOB = Job, shows pending jobs for the unit.\n"); + return !arg_type || ((dot = strrchr(u->path, '.')) && streq(dot+1, arg_type)); +} - if (arg_all) - printf("\n%u units listed.\n", k); - else - printf("\n%u units listed. Pass --all to see inactive units, too.\n", k); +static void output_unit_file_list(const UnitFileList *units, unsigned c) { + unsigned n_shown = 0; + const UnitFileList *u; + + if (on_tty()) + printf("%-25s %-6s\n", "UNIT FILE", "STATE"); + + for (u = units; u < units + c; u++) { + char *e; + const char *on, *off; + const char *id; + + if (!output_show_unit_file(u)) + continue; + + n_shown++; + + if (u->state == UNIT_FILE_MASKED || + u->state == UNIT_FILE_MASKED_RUNTIME || + u->state == UNIT_FILE_DISABLED) { + on = ansi_highlight(true); + off = ansi_highlight(false); + } else if (u->state == UNIT_FILE_ENABLED) { + on = ansi_highlight_green(true); + off = ansi_highlight_green(false); + } else + on = off = ""; + + id = file_name_from_path(u->path); + + e = arg_full ? NULL : ellipsize(id, 25, 33); + + printf("%-25s %s%-6s%s\n", + e ? e : id, + on, unit_file_state_to_string(u->state), off); + + free(e); + } + + if (on_tty()) + printf("\n%u unit files listed.\n", n_shown); +} + +static int list_unit_files(DBusConnection *bus, char **args) { + DBusMessage *m = NULL, *reply = NULL; + DBusError error; + int r; + DBusMessageIter iter, sub, sub2; + unsigned c = 0, n_units = 0; + UnitFileList *units = NULL; + + dbus_error_init(&error); + + assert(bus); + + pager_open_if_enabled(); + + if (avoid_bus()) { + Hashmap *h; + UnitFileList *u; + Iterator i; + + h = hashmap_new(string_hash_func, string_compare_func); + if (!h) { + log_error("Out of memory"); + return -ENOMEM; + } + + r = unit_file_get_list(arg_scope, arg_root, h); + if (r < 0) { + log_error("Failed to get unit file list: %s", strerror(-r)); + return r; + } + + n_units = hashmap_size(h); + units = new(UnitFileList, n_units); + if (!units) { + unit_file_list_free(h); + log_error("Out of memory"); + return -ENOMEM; + } + + HASHMAP_FOREACH(u, h, i) { + memcpy(units + c++, u, sizeof(UnitFileList)); + free(u); + } + + hashmap_free(h); + } else { + m = dbus_message_new_method_call( + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "ListUnitFiles"); + if (!m) { + log_error("Could not allocate message."); + return -ENOMEM; + } + + reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error); + if (!reply) { + log_error("Failed to issue method call: %s", bus_error_message(&error)); + r = -EIO; + goto finish; + } + + if (!dbus_message_iter_init(reply, &iter) || + dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || + dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) { + log_error("Failed to parse reply."); + r = -EIO; + goto finish; + } + + dbus_message_iter_recurse(&iter, &sub); + + while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { + UnitFileList *u; + const char *state; + + if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) { + log_error("Failed to parse reply."); + r = -EIO; + goto finish; + } + + if (c >= n_units) { + UnitFileList *w; + + n_units = MAX(2*c, 16); + w = realloc(units, sizeof(struct UnitFileList) * n_units); + + if (!w) { + log_error("Failed to allocate unit array."); + r = -ENOMEM; + goto finish; + } + + units = w; + } + + u = units+c; + + dbus_message_iter_recurse(&sub, &sub2); + + if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->path, true) < 0 || + bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &state, false) < 0) { + log_error("Failed to parse reply."); + r = -EIO; + goto finish; + } + + u->state = unit_file_state_from_string(state); + + dbus_message_iter_next(&sub); + c++; + } + } + + if (c > 0) { + qsort(units, c, sizeof(UnitFileList), compare_unit_file_list); + output_unit_file_list(units, c); } r = 0; @@ -288,6 +711,8 @@ finish: if (reply) dbus_message_unref(reply); + free(units); + dbus_error_free(&error); return r; @@ -301,6 +726,7 @@ static int dot_one_property(const char *name, const char *prop, DBusMessageIter "RequisiteOverridable", "[color=\"darkblue\"]", "Wants", "[color=\"darkgrey\"]", "Conflicts", "[color=\"red\"]", + "ConflictedBy", "[color=\"red\"]", "After", "[color=\"green\"]" }; @@ -381,7 +807,7 @@ static int dot_one(DBusConnection *bus, const char *name, const char *path) { } if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { - log_error("Failed to issue method call: %s", error.message); + log_error("Failed to issue method call: %s", bus_error_message(&error)); r = -EIO; goto finish; } @@ -430,6 +856,8 @@ static int dot_one(DBusConnection *bus, const char *name, const char *path) { dbus_message_iter_next(&sub); } + r = 0; + finish: if (m) dbus_message_unref(m); @@ -442,7 +870,7 @@ finish: return r; } -static int dot(DBusConnection *bus, char **args, unsigned n) { +static int dot(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; DBusError error; int r; @@ -462,7 +890,7 @@ static int dot(DBusConnection *bus, char **args, unsigned n) { } if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { - log_error("Failed to issue method call: %s", error.message); + log_error("Failed to issue method call: %s", bus_error_message(&error)); r = -EIO; goto finish; } @@ -479,7 +907,7 @@ static int dot(DBusConnection *bus, char **args, unsigned n) { dbus_message_iter_recurse(&iter, &sub); while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { - const char *id, *description, *load_state, *active_state, *sub_state, *unit_path; + const char *id, *description, *load_state, *active_state, *sub_state, *following, *unit_path; if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) { log_error("Failed to parse reply."); @@ -494,6 +922,7 @@ static int dot(DBusConnection *bus, char **args, unsigned n) { bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &load_state, true) < 0 || bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &active_state, true) < 0 || bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &sub_state, true) < 0 || + bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &following, true) < 0 || bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, true) < 0) { log_error("Failed to parse reply."); r = -EIO; @@ -515,7 +944,7 @@ static int dot(DBusConnection *bus, char **args, unsigned n) { " red = Conflicts\n" " green = After\n"); - if (isatty(fileno(stdout))) + if (on_tty()) log_notice("-- You probably want to process this output with graphviz' dot tool.\n" "-- Try a shell pipeline like 'systemctl dot | dot -Tsvg > systemd.svg'!\n"); @@ -533,7 +962,7 @@ finish: return r; } -static int list_jobs(DBusConnection *bus, char **args, unsigned n) { +static int list_jobs(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; DBusError error; int r; @@ -544,6 +973,8 @@ static int list_jobs(DBusConnection *bus, char **args, unsigned n) { assert(bus); + pager_open_if_enabled(); + if (!(m = dbus_message_new_method_call( "org.freedesktop.systemd1", "/org/freedesktop/systemd1", @@ -554,7 +985,7 @@ static int list_jobs(DBusConnection *bus, char **args, unsigned n) { } if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { - log_error("Failed to issue method call: %s", error.message); + log_error("Failed to issue method call: %s", bus_error_message(&error)); r = -EIO; goto finish; } @@ -569,7 +1000,8 @@ static int list_jobs(DBusConnection *bus, char **args, unsigned n) { dbus_message_iter_recurse(&iter, &sub); - printf("%4s %-45s %-17s %-7s\n", "JOB", "UNIT", "TYPE", "STATE"); + if (on_tty()) + printf("%4s %-25s %-15s %-7s\n", "JOB", "UNIT", "TYPE", "STATE"); while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { const char *name, *type, *state, *job_path, *unit_path; @@ -595,8 +1027,8 @@ static int list_jobs(DBusConnection *bus, char **args, unsigned n) { goto finish; } - e = arg_full ? NULL : ellipsize(name, 45, 33); - printf("%4u %-45s %-17s %-7s\n", id, e ? e : name, type, state); + e = arg_full ? NULL : ellipsize(name, 25, 33); + printf("%4u %-25s %-15s %-7s\n", id, e ? e : name, type, state); free(e); k++; @@ -604,7 +1036,9 @@ static int list_jobs(DBusConnection *bus, char **args, unsigned n) { dbus_message_iter_next(&sub); } - printf("\n%u jobs listed.\n", k); + if (on_tty()) + printf("\n%u jobs listed.\n", k); + r = 0; finish: @@ -619,18 +1053,18 @@ finish: return r; } -static int load_unit(DBusConnection *bus, char **args, unsigned n) { +static int load_unit(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; DBusError error; int r; - unsigned i; + char **name; dbus_error_init(&error); assert(bus); assert(args); - for (i = 1; i < n; i++) { + STRV_FOREACH(name, args+1) { if (!(m = dbus_message_new_method_call( "org.freedesktop.systemd1", @@ -643,7 +1077,7 @@ static int load_unit(DBusConnection *bus, char **args, unsigned n) { } if (!dbus_message_append_args(m, - DBUS_TYPE_STRING, &args[i], + DBUS_TYPE_STRING, name, DBUS_TYPE_INVALID)) { log_error("Could not append arguments to message."); r = -ENOMEM; @@ -651,7 +1085,7 @@ static int load_unit(DBusConnection *bus, char **args, unsigned n) { } if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { - log_error("Failed to issue method call: %s", error.message); + log_error("Failed to issue method call: %s", bus_error_message(&error)); r = -EIO; goto finish; } @@ -676,18 +1110,21 @@ finish: return r; } -static int cancel_job(DBusConnection *bus, char **args, unsigned n) { +static int cancel_job(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; DBusError error; int r; - unsigned i; + char **name; dbus_error_init(&error); assert(bus); assert(args); - for (i = 1; i < n; i++) { + if (strv_length(args) <= 1) + return daemon_reload(bus, args); + + STRV_FOREACH(name, args+1) { unsigned id; const char *path; @@ -701,7 +1138,7 @@ static int cancel_job(DBusConnection *bus, char **args, unsigned n) { goto finish; } - if ((r = safe_atou(args[i], &id)) < 0) { + if ((r = safe_atou(*name, &id)) < 0) { log_error("Failed to parse job id: %s", strerror(-r)); goto finish; } @@ -716,7 +1153,7 @@ static int cancel_job(DBusConnection *bus, char **args, unsigned n) { } if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { - log_error("Failed to issue method call: %s", error.message); + log_error("Failed to issue method call: %s", bus_error_message(&error)); r = -EIO; goto finish; } @@ -724,7 +1161,7 @@ static int cancel_job(DBusConnection *bus, char **args, unsigned n) { if (!dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) { - log_error("Failed to parse reply: %s", error.message); + log_error("Failed to parse reply: %s", bus_error_message(&error)); r = -EIO; goto finish; } @@ -742,7 +1179,7 @@ static int cancel_job(DBusConnection *bus, char **args, unsigned n) { dbus_message_unref(reply); if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { - log_error("Failed to issue method call: %s", error.message); + log_error("Failed to issue method call: %s", bus_error_message(&error)); r = -EIO; goto finish; } @@ -766,8 +1203,8 @@ finish: return r; } -static bool unit_need_daemon_reload(DBusConnection *bus, const char *unit) { - DBusMessage *m, *reply; +static bool need_daemon_reload(DBusConnection *bus, const char *unit) { + DBusMessage *m = NULL, *reply = NULL; dbus_bool_t b = FALSE; DBusMessageIter iter, sub; const char @@ -839,7 +1276,7 @@ finish: typedef struct WaitData { Set *set; - bool failed; + char *result; } WaitData; static DBusHandlerResult wait_filter(DBusConnection *connection, DBusMessage *message, void *data) { @@ -863,26 +1300,52 @@ static DBusHandlerResult wait_filter(DBusConnection *connection, DBusMessage *me } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) { uint32_t id; - const char *path; + const char *path, *result; dbus_bool_t success = true; - if (!dbus_message_get_args(message, &error, - DBUS_TYPE_UINT32, &id, - DBUS_TYPE_OBJECT_PATH, &path, - DBUS_TYPE_BOOLEAN, &success, - DBUS_TYPE_INVALID)) - log_error("Failed to parse message: %s", error.message); - else { + if (dbus_message_get_args(message, &error, + DBUS_TYPE_UINT32, &id, + DBUS_TYPE_OBJECT_PATH, &path, + DBUS_TYPE_STRING, &result, + DBUS_TYPE_INVALID)) { + char *p; + + if ((p = set_remove(d->set, (char*) path))) + free(p); + + if (*result) + d->result = strdup(result); + + goto finish; + } +#ifndef LEGACY + dbus_error_free(&error); + + if (dbus_message_get_args(message, &error, + DBUS_TYPE_UINT32, &id, + DBUS_TYPE_OBJECT_PATH, &path, + DBUS_TYPE_BOOLEAN, &success, + DBUS_TYPE_INVALID)) { char *p; + /* Compatibility with older systemd versions < + * 19 during upgrades. This should be dropped + * one day */ + if ((p = set_remove(d->set, (char*) path))) free(p); if (!success) - d->failed = true; + d->result = strdup("failed"); + + goto finish; } +#endif + + log_error("Failed to parse message: %s", bus_error_message(&error)); } +finish: dbus_error_free(&error); return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; } @@ -905,7 +1368,7 @@ static int enable_wait_for_jobs(DBusConnection *bus) { &error); if (dbus_error_is_set(&error)) { - log_error("Failed to add match: %s", error.message); + log_error("Failed to add match: %s", bus_error_message(&error)); dbus_error_free(&error); return -EIO; } @@ -923,7 +1386,6 @@ static int wait_for_jobs(DBusConnection *bus, Set *s) { zero(d); d.set = s; - d.failed = false; if (!dbus_connection_add_filter(bus, wait_filter, &d, NULL)) { log_error("Failed to add filter."); @@ -935,10 +1397,27 @@ static int wait_for_jobs(DBusConnection *bus, Set *s) { dbus_connection_read_write_dispatch(bus, -1)) ; - if (!arg_quiet && d.failed) - log_error("Job failed, see logs for details."); + if (!arg_quiet && d.result) { + if (streq(d.result, "timeout")) + log_error("Job timed out."); + else if (streq(d.result, "canceled")) + log_error("Job canceled."); + else if (streq(d.result, "dependency")) + log_error("A dependency job failed. See system logs for details."); + else if (!streq(d.result, "done") && !streq(d.result, "skipped")) + log_error("Job failed. See system logs and 'systemctl status' for details."); + } + + if (streq_ptr(d.result, "timeout")) + r = -ETIME; + else if (streq_ptr(d.result, "canceled")) + r = -ECANCELED; + else if (!streq_ptr(d.result, "done") && !streq_ptr(d.result, "skipped")) + r = -EIO; + else + r = 0; - r = d.failed ? -EIO : 0; + free(d.result); finish: /* This is slightly dirty, since we don't undo the filter registration. */ @@ -951,10 +1430,10 @@ static int start_unit_one( const char *method, const char *name, const char *mode, + DBusError *error, Set *s) { DBusMessage *m = NULL, *reply = NULL; - DBusError error; const char *path; int r; @@ -962,10 +1441,9 @@ static int start_unit_one( assert(method); assert(name); assert(mode); + assert(error); assert(arg_no_block || s); - dbus_error_init(&error); - if (!(m = dbus_message_new_method_call( "org.freedesktop.systemd1", "/org/freedesktop/systemd1", @@ -985,31 +1463,31 @@ static int start_unit_one( goto finish; } - if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { + if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, error))) { - if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(&error)) { + if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(error)) { /* There's always a fallback possible for * legacy actions. */ - r = 0; + r = -EADDRNOTAVAIL; goto finish; } - log_error("Failed to issue method call: %s", error.message); + log_error("Failed to issue method call: %s", bus_error_message(error)); r = -EIO; goto finish; } - if (!dbus_message_get_args(reply, &error, + if (!dbus_message_get_args(reply, error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) { - log_error("Failed to parse reply: %s", error.message); + log_error("Failed to parse reply: %s", bus_error_message(error)); r = -EIO; goto finish; } - if (unit_need_daemon_reload(bus, name)) - log_warning("Unit file of created job changed on disk, 'systemctl %s daemon-reload' recommended.", - arg_session ? "--session" : "--system"); + if (need_daemon_reload(bus, name)) + log_warning("Warning: Unit file of created job changed on disk, 'systemctl %s daemon-reload' recommended.", + arg_scope == UNIT_FILE_SYSTEM ? "--system" : "--user"); if (!arg_no_block) { char *p; @@ -1027,7 +1505,7 @@ static int start_unit_one( } } - r = 1; + r = 0; finish: if (m) @@ -1036,8 +1514,6 @@ finish: if (reply) dbus_message_unref(reply); - dbus_error_free(&error); - return r; } @@ -1048,54 +1524,71 @@ static enum action verb_to_action(const char *verb) { return ACTION_POWEROFF; else if (streq(verb, "reboot")) return ACTION_REBOOT; + else if (streq(verb, "kexec")) + return ACTION_KEXEC; else if (streq(verb, "rescue")) return ACTION_RESCUE; else if (streq(verb, "emergency")) return ACTION_EMERGENCY; else if (streq(verb, "default")) return ACTION_DEFAULT; + else if (streq(verb, "exit")) + return ACTION_EXIT; else return ACTION_INVALID; } -static int start_unit(DBusConnection *bus, char **args, unsigned n) { +static int start_unit(DBusConnection *bus, char **args) { static const char * const table[_ACTION_MAX] = { [ACTION_HALT] = SPECIAL_HALT_TARGET, [ACTION_POWEROFF] = SPECIAL_POWEROFF_TARGET, [ACTION_REBOOT] = SPECIAL_REBOOT_TARGET, + [ACTION_KEXEC] = SPECIAL_KEXEC_TARGET, [ACTION_RUNLEVEL2] = SPECIAL_RUNLEVEL2_TARGET, [ACTION_RUNLEVEL3] = SPECIAL_RUNLEVEL3_TARGET, [ACTION_RUNLEVEL4] = SPECIAL_RUNLEVEL4_TARGET, [ACTION_RUNLEVEL5] = SPECIAL_RUNLEVEL5_TARGET, [ACTION_RESCUE] = SPECIAL_RESCUE_TARGET, [ACTION_EMERGENCY] = SPECIAL_EMERGENCY_TARGET, - [ACTION_DEFAULT] = SPECIAL_DEFAULT_TARGET + [ACTION_DEFAULT] = SPECIAL_DEFAULT_TARGET, + [ACTION_EXIT] = SPECIAL_EXIT_TARGET }; - int r; - unsigned i; + int r, ret = 0; const char *method, *mode, *one_name; Set *s = NULL; + DBusError error; + char **name; + + dbus_error_init(&error); assert(bus); + agent_open_if_enabled(); + if (arg_action == ACTION_SYSTEMCTL) { method = - streq(args[0], "stop") ? "StopUnit" : + streq(args[0], "stop") || + streq(args[0], "condstop") ? "StopUnit" : streq(args[0], "reload") ? "ReloadUnit" : streq(args[0], "restart") ? "RestartUnit" : - streq(args[0], "try-restart") ? "TryRestartUnit" : + + streq(args[0], "try-restart") || + streq(args[0], "condrestart") ? "TryRestartUnit" : + streq(args[0], "reload-or-restart") ? "ReloadOrRestartUnit" : - streq(args[0], "reload-or-try-restart") ? "ReloadOrTryRestartUnit" : + + streq(args[0], "reload-or-try-restart") || + streq(args[0], "condreload") || + + streq(args[0], "force-reload") ? "ReloadOrTryRestartUnit" : "StartUnit"; mode = (streq(args[0], "isolate") || streq(args[0], "rescue") || - streq(args[0], "emergency")) ? "isolate" : - arg_fail ? "fail" : - "replace"; + streq(args[0], "emergency")) ? "isolate" : arg_job_mode; one_name = table[verb_to_action(args[0])]; @@ -1106,52 +1599,69 @@ static int start_unit(DBusConnection *bus, char **args, unsigned n) { method = "StartUnit"; mode = (arg_action == ACTION_EMERGENCY || - arg_action == ACTION_RESCUE) ? "isolate" : "replace"; + arg_action == ACTION_RESCUE || + arg_action == ACTION_RUNLEVEL2 || + arg_action == ACTION_RUNLEVEL3 || + arg_action == ACTION_RUNLEVEL4 || + arg_action == ACTION_RUNLEVEL5) ? "isolate" : "replace"; one_name = table[arg_action]; } if (!arg_no_block) { - if ((r = enable_wait_for_jobs(bus)) < 0) { - log_error("Could not watch jobs: %s", strerror(-r)); + if ((ret = enable_wait_for_jobs(bus)) < 0) { + log_error("Could not watch jobs: %s", strerror(-ret)); goto finish; } if (!(s = set_new(string_hash_func, string_compare_func))) { log_error("Failed to allocate set."); - r = -ENOMEM; + ret = -ENOMEM; goto finish; } } - r = 0; - if (one_name) { - if ((r = start_unit_one(bus, method, one_name, mode, s)) <= 0) + if ((ret = start_unit_one(bus, method, one_name, mode, &error, s)) <= 0) goto finish; } else { - for (i = 1; i < n; i++) - if ((r = start_unit_one(bus, method, args[i], mode, s)) < 0) - goto finish; + STRV_FOREACH(name, args+1) + if ((r = start_unit_one(bus, method, *name, mode, &error, s)) != 0) { + ret = translate_bus_error_to_exit_status(r, &error); + dbus_error_free(&error); + } } if (!arg_no_block) - r = wait_for_jobs(bus, s); + if ((r = wait_for_jobs(bus, s)) < 0) { + ret = r; + goto finish; + } finish: if (s) set_free_free(s); - return r; + dbus_error_free(&error); + + return ret; } -static int start_special(DBusConnection *bus, char **args, unsigned n) { +static int start_special(DBusConnection *bus, char **args) { int r; assert(bus); assert(args); - r = start_unit(bus, args, n); + if (arg_force && + (streq(args[0], "halt") || + streq(args[0], "poweroff") || + streq(args[0], "reboot") || + streq(args[0], "kexec") || + streq(args[0], "exit"))) + return daemon_reload(bus, args); + + r = start_unit(bus, args); if (r >= 0) warn_wall(verb_to_action(args[0])); @@ -1159,21 +1669,21 @@ static int start_special(DBusConnection *bus, char **args, unsigned n) { return r; } -static int check_unit(DBusConnection *bus, char **args, unsigned n) { +static int check_unit(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; const char *interface = "org.freedesktop.systemd1.Unit", *property = "ActiveState"; - int r = -EADDRNOTAVAIL; + int r = 3; /* According to LSB: "program is not running" */ DBusError error; - unsigned i; + char **name; assert(bus); assert(args); dbus_error_init(&error); - for (i = 1; i < n; i++) { + STRV_FOREACH(name, args+1) { const char *path = NULL; const char *state; DBusMessageIter iter, sub; @@ -1189,7 +1699,7 @@ static int check_unit(DBusConnection *bus, char **args, unsigned n) { } if (!dbus_message_append_args(m, - DBUS_TYPE_STRING, &args[i], + DBUS_TYPE_STRING, name, DBUS_TYPE_INVALID)) { log_error("Could not append arguments to message."); r = -ENOMEM; @@ -1203,13 +1713,15 @@ static int check_unit(DBusConnection *bus, char **args, unsigned n) { puts("unknown"); dbus_error_free(&error); + dbus_message_unref(m); + m = NULL; continue; } if (!dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) { - log_error("Failed to parse reply: %s", error.message); + log_error("Failed to parse reply: %s", bus_error_message(&error)); r = -EIO; goto finish; } @@ -1236,7 +1748,7 @@ static int check_unit(DBusConnection *bus, char **args, unsigned n) { dbus_message_unref(reply); if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { - log_error("Failed to issue method call: %s", error.message); + log_error("Failed to issue method call: %s", bus_error_message(&error)); r = -EIO; goto finish; } @@ -1261,7 +1773,7 @@ static int check_unit(DBusConnection *bus, char **args, unsigned n) { if (!arg_quiet) puts(state); - if (streq(state, "active") || startswith(state, "reloading")) + if (streq(state, "active") || streq(state, "reloading")) r = 0; dbus_message_unref(m); @@ -1281,7 +1793,74 @@ finish: return r; } +static int kill_unit(DBusConnection *bus, char **args) { + DBusMessage *m = NULL, *reply = NULL; + int r = 0; + DBusError error; + char **name; + + assert(bus); + assert(args); + + dbus_error_init(&error); + + if (!arg_kill_who) + arg_kill_who = "all"; + + if (!arg_kill_mode) + arg_kill_mode = streq(arg_kill_who, "all") ? "control-group" : "process"; + + STRV_FOREACH(name, args+1) { + + if (!(m = dbus_message_new_method_call( + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "KillUnit"))) { + log_error("Could not allocate message."); + r = -ENOMEM; + goto finish; + } + + if (!dbus_message_append_args(m, + DBUS_TYPE_STRING, name, + DBUS_TYPE_STRING, &arg_kill_who, + DBUS_TYPE_STRING, &arg_kill_mode, + DBUS_TYPE_INT32, &arg_signal, + DBUS_TYPE_INVALID)) { + log_error("Could not append arguments to message."); + r = -ENOMEM; + goto finish; + } + + if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { + log_error("Failed to issue method call: %s", bus_error_message(&error)); + dbus_error_free(&error); + r = -EIO; + } + + dbus_message_unref(m); + + if (reply) + dbus_message_unref(reply); + m = reply = NULL; + } + +finish: + if (m) + dbus_message_unref(m); + + if (reply) + dbus_message_unref(reply); + + dbus_error_free(&error); + + return r; +} + typedef struct ExecStatusInfo { + char *name; + char *path; char **argv; @@ -1299,13 +1878,14 @@ typedef struct 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(DBusMessageIter *sub, ExecStatusInfo *i) { - uint64_t start_timestamp, exit_timestamp; + uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic; DBusMessageIter sub2, sub3; const char*path; unsigned n; @@ -1359,7 +1939,9 @@ static int exec_status_info_deserialize(DBusMessageIter *sub, ExecStatusInfo *i) if (!dbus_message_iter_next(&sub2) || bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_BOOLEAN, &ignore, true) < 0 || bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &start_timestamp, true) < 0 || + bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &start_timestamp_monotonic, true) < 0 || bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &exit_timestamp, true) < 0 || + bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &exit_timestamp_monotonic, true) < 0 || bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &pid, true) < 0 || bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &code, true) < 0 || bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &status, false) < 0) @@ -1380,25 +1962,40 @@ typedef struct UnitStatusInfo { const char *load_state; const char *active_state; const char *sub_state; + const char *unit_file_state; const char *description; + const char *following; - const char *fragment_path; + const char *path; const char *default_control_group; + const char *load_error; + + usec_t inactive_exit_timestamp; + usec_t active_enter_timestamp; + usec_t active_exit_timestamp; + usec_t inactive_enter_timestamp; + bool need_daemon_reload; /* Service */ pid_t main_pid; pid_t control_pid; const char *status_text; - bool running; + bool running:1; +#ifdef HAVE_SYSV_COMPAT + bool is_sysv:1; +#endif usec_t start_timestamp; usec_t exit_timestamp; int exit_code, exit_status; + usec_t condition_timestamp; + bool condition_result; + /* Socket */ unsigned n_accepted; unsigned n_connections; @@ -1418,6 +2015,10 @@ typedef struct UnitStatusInfo { static void print_status_info(UnitStatusInfo *i) { ExecStatusInfo *p; + const char *on, *off, *ss; + usec_t timestamp; + char since1[FORMAT_TIMESTAMP_PRETTY_MAX], *s1; + char since2[FORMAT_TIMESTAMP_MAX], *s2; assert(i); @@ -1431,43 +2032,80 @@ static void print_status_info(UnitStatusInfo *i) { printf("\n"); - if (i->fragment_path) - printf("\t Loaded: %s (%s)\n", strna(i->load_state), i->fragment_path); - else if (streq_ptr(i->load_state, "failed")) - printf("\t Loaded: %s%s%s\n", - ansi_highlight(true), - strna(i->load_state), - ansi_highlight(false)); + if (i->following) + printf("\t Follow: unit currently follows state of %s\n", i->following); + + if (streq_ptr(i->load_state, "failed") || + streq_ptr(i->load_state, "banned")) { + on = ansi_highlight(true); + off = ansi_highlight(false); + } else + on = off = ""; + + if (i->load_error) + printf("\t Loaded: %s%s%s (Reason: %s)\n", on, strna(i->load_state), off, i->load_error); + else if (i->path && i->unit_file_state) + printf("\t Loaded: %s%s%s (%s; %s)\n", on, strna(i->load_state), off, i->path, i->unit_file_state); + else if (i->path) + printf("\t Loaded: %s%s%s (%s)\n", on, strna(i->load_state), off, i->path); else - printf("\t Loaded: %s\n", strna(i->load_state)); - - if (streq_ptr(i->active_state, "maintenance")) { - if (streq_ptr(i->active_state, i->sub_state)) - printf("\t Active: %s%s%s\n", - ansi_highlight(true), - strna(i->active_state), - ansi_highlight(false)); - else - printf("\t Active: %s%s (%s)%s\n", - ansi_highlight(true), - strna(i->active_state), - strna(i->sub_state), - ansi_highlight(false)); - } else { - if (streq_ptr(i->active_state, i->sub_state)) - printf("\t Active: %s\n", - strna(i->active_state)); - else - printf("\t Active: %s (%s)\n", - strna(i->active_state), - strna(i->sub_state)); + printf("\t Loaded: %s%s%s\n", on, strna(i->load_state), off); + + ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state; + + if (streq_ptr(i->active_state, "failed")) { + on = ansi_highlight(true); + off = ansi_highlight(false); + } else if (streq_ptr(i->active_state, "active") || streq_ptr(i->active_state, "reloading")) { + on = ansi_highlight_green(true); + off = ansi_highlight_green(false); + } else + on = off = ""; + + if (ss) + printf("\t Active: %s%s (%s)%s", + on, + strna(i->active_state), + ss, + off); + else + printf("\t Active: %s%s%s", + on, + strna(i->active_state), + off); + + timestamp = (streq_ptr(i->active_state, "active") || + streq_ptr(i->active_state, "reloading")) ? i->active_enter_timestamp : + (streq_ptr(i->active_state, "inactive") || + streq_ptr(i->active_state, "failed")) ? i->inactive_enter_timestamp : + streq_ptr(i->active_state, "activating") ? i->inactive_exit_timestamp : + i->active_exit_timestamp; + + s1 = format_timestamp_pretty(since1, sizeof(since1), timestamp); + s2 = format_timestamp(since2, sizeof(since2), timestamp); + + if (s1) + printf(" since %s; %s\n", s2, s1); + else if (s2) + printf(" since %s\n", s2); + else + printf("\n"); + + if (!i->condition_result && i->condition_timestamp > 0) { + s1 = format_timestamp_pretty(since1, sizeof(since1), i->condition_timestamp); + s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp); + + if (s1) + printf("\t start condition failed at %s; %s\n", s2, s1); + else if (s2) + printf("\t start condition failed at %s\n", s2); } if (i->sysfs_path) printf("\t Device: %s\n", i->sysfs_path); - else if (i->where) + if (i->where) printf("\t Where: %s\n", i->where); - else if (i->what) + if (i->what) printf("\t What: %s\n", i->what); if (i->accept) @@ -1475,20 +2113,49 @@ static void print_status_info(UnitStatusInfo *i) { LIST_FOREACH(exec, p, i->exec) { char *t; + bool good; /* Only show exited processes here */ if (p->code == 0) continue; t = strv_join(p->argv, " "); - printf("\t Exited: %u (%s, code=%s, ", p->pid, strna(t), sigchld_code_to_string(p->code)); + printf("\t Process: %u %s=%s ", p->pid, p->name, strna(t)); free(t); - if (p->code == CLD_EXITED) - printf("status=%i", p->status); +#ifdef HAVE_SYSV_COMPAT + if (i->is_sysv) + good = is_clean_exit_lsb(p->code, p->status); else +#endif + good = is_clean_exit(p->code, p->status); + + if (!good) { + on = ansi_highlight(true); + off = ansi_highlight(false); + } else + on = off = ""; + + printf("%s(code=%s, ", on, sigchld_code_to_string(p->code)); + + if (p->code == CLD_EXITED) { + const char *c; + + printf("status=%i", p->status); + +#ifdef HAVE_SYSV_COMPAT + if ((c = exit_status_to_string(p->status, i->is_sysv ? EXIT_STATUS_LSB : EXIT_STATUS_SYSTEMD))) +#else + if ((c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD))) +#endif + printf("/%s", c); + + } else printf("signal=%s", signal_to_string(p->status)); - printf(")\n"); + + printf(")%s\n", off); + + on = off = NULL; if (i->main_pid == p->pid && i->start_timestamp == p->start_timestamp && @@ -1504,7 +2171,7 @@ static void print_status_info(UnitStatusInfo *i) { printf("\t"); if (i->main_pid > 0) { - printf(" Main: %u", (unsigned) i->main_pid); + printf("Main PID: %u", (unsigned) i->main_pid); if (i->running) { char *t = NULL; @@ -1513,14 +2180,25 @@ static void print_status_info(UnitStatusInfo *i) { printf(" (%s)", t); free(t); } - } else { + } else if (i->exit_code > 0) { printf(" (code=%s, ", sigchld_code_to_string(i->exit_code)); - if (i->exit_code == CLD_EXITED) + if (i->exit_code == CLD_EXITED) { + const char *c; + printf("status=%i", i->exit_status); - else + +#ifdef HAVE_SYSV_COMPAT + if ((c = exit_status_to_string(i->exit_status, i->is_sysv ? EXIT_STATUS_LSB : EXIT_STATUS_SYSTEMD))) +#else + if ((c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD))) +#endif + printf("/%s", c); + + } else printf("signal=%s", signal_to_string(i->exit_status)); - printf(")"); } + printf(")"); + } } if (i->main_pid > 0 && i->control_pid > 0) @@ -1549,23 +2227,29 @@ static void print_status_info(UnitStatusInfo *i) { printf("\t CGroup: %s\n", i->default_control_group); - if ((c = columns()) > 18) - c -= 18; - else - c = 0; + if (arg_transport != TRANSPORT_SSH) { + if ((c = columns()) > 18) + c -= 18; + else + c = 0; - show_cgroup_by_path(i->default_control_group, "\t\t ", c); + show_cgroup_by_path(i->default_control_group, "\t\t ", c); + } } if (i->need_daemon_reload) printf("\n%sWarning:%s Unit file changed on disk, 'systemctl %s daemon-reload' recommended.\n", ansi_highlight(true), ansi_highlight(false), - arg_session ? "--session" : "--system"); + arg_scope == UNIT_FILE_SYSTEM ? "--system" : "--user"); } static int status_property(const char *name, DBusMessageIter *iter, UnitStatusInfo *i) { + assert(name); + assert(iter); + assert(i); + switch (dbus_message_iter_get_arg_type(iter)) { case DBUS_TYPE_STRING: { @@ -1573,7 +2257,7 @@ static int status_property(const char *name, DBusMessageIter *iter, UnitStatusIn dbus_message_iter_get_basic(iter, &s); - if (s[0]) { + if (!isempty(s)) { if (streq(name, "Id")) i->id = s; else if (streq(name, "LoadState")) @@ -1585,7 +2269,13 @@ static int status_property(const char *name, DBusMessageIter *iter, UnitStatusIn else if (streq(name, "Description")) i->description = s; else if (streq(name, "FragmentPath")) - i->fragment_path = s; + i->path = s; +#ifdef HAVE_SYSV_COMPAT + else if (streq(name, "SysVPath")) { + i->is_sysv = true; + i->path = s; + } +#endif else if (streq(name, "DefaultControlGroup")) i->default_control_group = s; else if (streq(name, "StatusText")) @@ -1596,6 +2286,10 @@ static int status_property(const char *name, DBusMessageIter *iter, UnitStatusIn 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; } break; @@ -1610,6 +2304,8 @@ static int status_property(const char *name, DBusMessageIter *iter, UnitStatusIn i->accept = b; else if (streq(name, "NeedDaemonReload")) i->need_daemon_reload = b; + else if (streq(name, "ConditionResult")) + i->condition_result = b; break; } @@ -1659,6 +2355,16 @@ static int status_property(const char *name, DBusMessageIter *iter, UnitStatusIn i->start_timestamp = (usec_t) u; else if (streq(name, "ExecMainExitTimestamp")) i->exit_timestamp = (usec_t) u; + else if (streq(name, "ActiveEnterTimestamp")) + i->active_enter_timestamp = (usec_t) u; + else if (streq(name, "InactiveEnterTimestamp")) + i->inactive_enter_timestamp = (usec_t) u; + else if (streq(name, "InactiveExitTimestamp")) + i->inactive_exit_timestamp = (usec_t) u; + else if (streq(name, "ActiveExitTimestamp")) + i->active_exit_timestamp = (usec_t) u; + else if (streq(name, "ConditionTimestamp")) + i->condition_timestamp = (usec_t) u; break; } @@ -1677,6 +2383,11 @@ static int status_property(const char *name, DBusMessageIter *iter, UnitStatusIn if (!(info = new0(ExecStatusInfo, 1))) return -ENOMEM; + if (!(info->name = strdup(name))) { + free(info); + return -ENOMEM; + } + if ((r = exec_status_info_deserialize(&sub, info)) < 0) { free(info); return r; @@ -1690,6 +2401,30 @@ static int status_property(const char *name, DBusMessageIter *iter, UnitStatusIn break; } + + case DBUS_TYPE_STRUCT: { + + if (streq(name, "LoadError")) { + DBusMessageIter sub; + const char *n, *message; + int r; + + dbus_message_iter_recurse(iter, &sub); + + r = bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &n, true); + if (r < 0) + return r; + + r = bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &message, false); + if (r < 0) + return r; + + if (!isempty(message)) + i->load_error = message; + } + + break; + } } return 0; @@ -1707,66 +2442,6 @@ static int print_property(const char *name, DBusMessageIter *iter) { switch (dbus_message_iter_get_arg_type(iter)) { - case DBUS_TYPE_STRING: { - const char *s; - dbus_message_iter_get_basic(iter, &s); - - if (arg_all || s[0]) - printf("%s=%s\n", name, s); - - return 0; - } - - case DBUS_TYPE_BOOLEAN: { - dbus_bool_t b; - dbus_message_iter_get_basic(iter, &b); - printf("%s=%s\n", name, yes_no(b)); - - return 0; - } - - case DBUS_TYPE_UINT64: { - uint64_t u; - dbus_message_iter_get_basic(iter, &u); - - /* Yes, heuristics! But we can change this check - * should it turn out to not be sufficient */ - - if (strstr(name, "Timestamp")) { - char timestamp[FORMAT_TIMESTAMP_MAX], *t; - - if ((t = format_timestamp(timestamp, sizeof(timestamp), u)) || arg_all) - printf("%s=%s\n", name, strempty(t)); - } else if (strstr(name, "USec")) { - char timespan[FORMAT_TIMESPAN_MAX]; - - printf("%s=%s\n", name, format_timespan(timespan, sizeof(timespan), u)); - } else - printf("%s=%llu\n", name, (unsigned long long) u); - - return 0; - } - - case DBUS_TYPE_UINT32: { - uint32_t u; - dbus_message_iter_get_basic(iter, &u); - - if (strstr(name, "UMask") || strstr(name, "Mode")) - printf("%s=%04o\n", name, u); - else - printf("%s=%u\n", name, (unsigned) u); - - return 0; - } - - case DBUS_TYPE_INT32: { - int32_t i; - dbus_message_iter_get_basic(iter, &i); - - printf("%s=%i\n", name, (int) i); - return 0; - } - case DBUS_TYPE_STRUCT: { DBusMessageIter sub; dbus_message_iter_recurse(iter, &sub); @@ -1790,6 +2465,16 @@ static int print_property(const char *name, DBusMessageIter *iter) { if (arg_all || s[0]) printf("%s=%s\n", name, s); + return 0; + } else if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING && streq(name, "LoadError")) { + const char *a = NULL, *b = NULL; + + if (bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &a, true) >= 0) + bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &b, false); + + if (arg_all || !isempty(a) || !isempty(b)) + printf("%s=%s \"%s\"\n", name, strempty(a), strempty(b)); + return 0; } @@ -1798,50 +2483,21 @@ static int print_property(const char *name, DBusMessageIter *iter) { case DBUS_TYPE_ARRAY: - if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRING) { - DBusMessageIter sub; - bool space = false; - - dbus_message_iter_recurse(iter, &sub); - if (arg_all || - dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { - printf("%s=", name); - - while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { - const char *s; - - assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING); - dbus_message_iter_get_basic(&sub, &s); - printf("%s%s", space ? " " : "", s); - - space = true; - dbus_message_iter_next(&sub); - } - - puts(""); - } - - return 0; - - } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_BYTE) { - DBusMessageIter sub; + if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "EnvironmentFiles")) { + DBusMessageIter sub, sub2; dbus_message_iter_recurse(iter, &sub); - if (arg_all || - dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { - printf("%s=", name); - - while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { - uint8_t u; + while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) { + const char *path; + dbus_bool_t ignore; - assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_BYTE); - dbus_message_iter_get_basic(&sub, &u); - printf("%02x", u); + dbus_message_iter_recurse(&sub, &sub2); - dbus_message_iter_next(&sub); - } + if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) >= 0 && + bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_BOOLEAN, &ignore, false) >= 0) + printf("EnvironmentFile=%s (ignore_errors=%s)\n", path, yes_no(ignore)); - puts(""); + dbus_message_iter_next(&sub); } return 0; @@ -1904,7 +2560,7 @@ static int print_property(const char *name, DBusMessageIter *iter) { t = strv_join(info.argv, " "); - printf("%s={ path=%s ; argv[]=%s ; ignore=%s ; start_time=[%s] ; stop_time=[%s] ; pid=%u ; code=%s ; status=%i%s%s }\n", + printf("%s={ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid=%u ; code=%s ; status=%i%s%s }\n", name, strna(info.path), strna(t), @@ -1932,13 +2588,16 @@ static int print_property(const char *name, DBusMessageIter *iter) { break; } + if (generic_print_property(name, iter, arg_all) > 0) + return 0; + if (arg_all) printf("%s=[unprintable]\n", name); return 0; } -static int show_one(DBusConnection *bus, const char *path, bool show_properties, bool *new_line) { +static int show_one(const char *verb, DBusConnection *bus, const char *path, bool show_properties, bool *new_line) { DBusMessage *m = NULL, *reply = NULL; const char *interface = ""; int r; @@ -1973,7 +2632,7 @@ static int show_one(DBusConnection *bus, const char *path, bool show_properties, } if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { - log_error("Failed to issue method call: %s", error.message); + log_error("Failed to issue method call: %s", bus_error_message(&error)); r = -EIO; goto finish; } @@ -2032,16 +2691,22 @@ static int show_one(DBusConnection *bus, const char *path, bool show_properties, dbus_message_iter_next(&sub); } + r = 0; + if (!show_properties) print_status_info(&info); + if (!streq_ptr(info.active_state, "active") && + !streq_ptr(info.active_state, "reloading") && + streq(verb, "status")) + /* According to LSB: "program not running" */ + r = 3; + while ((p = info.exec)) { LIST_REMOVE(ExecStatusInfo, exec, info.exec, p); exec_status_info_free(p); } - r = 0; - finish: if (m) dbus_message_unref(m); @@ -2054,12 +2719,12 @@ finish: return r; } -static int show(DBusConnection *bus, char **args, unsigned n) { +static int show(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; - int r; + int r, ret = 0; DBusError error; - unsigned i; bool show_properties, new_line = false; + char **name; assert(bus); assert(args); @@ -2068,19 +2733,24 @@ static int show(DBusConnection *bus, char **args, unsigned n) { show_properties = !streq(args[0], "status"); - if (show_properties && n <= 1) { + if (show_properties) + pager_open_if_enabled(); + + if (show_properties && strv_length(args) <= 1) { /* If not argument is specified inspect the manager * itself */ - r = show_one(bus, "/org/freedesktop/systemd1", show_properties, &new_line); + ret = show_one(args[0], bus, "/org/freedesktop/systemd1", show_properties, &new_line); goto finish; } - for (i = 1; i < n; i++) { + STRV_FOREACH(name, args+1) { const char *path = NULL; uint32_t id; - if (!show_properties || safe_atou32(args[i], &id) < 0) { + if (safe_atou32(*name, &id) < 0) { + + /* Interpret as unit name */ if (!(m = dbus_message_new_method_call( "org.freedesktop.systemd1", @@ -2088,23 +2758,23 @@ static int show(DBusConnection *bus, char **args, unsigned n) { "org.freedesktop.systemd1.Manager", "LoadUnit"))) { log_error("Could not allocate message."); - r = -ENOMEM; + ret = -ENOMEM; goto finish; } if (!dbus_message_append_args(m, - DBUS_TYPE_STRING, &args[i], + DBUS_TYPE_STRING, name, DBUS_TYPE_INVALID)) { log_error("Could not append arguments to message."); - r = -ENOMEM; + ret = -ENOMEM; goto finish; } if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { if (!dbus_error_has_name(&error, DBUS_ERROR_ACCESS_DENIED)) { - log_error("Failed to issue method call: %s", error.message); - r = -EIO; + log_error("Failed to issue method call: %s", bus_error_message(&error)); + ret = -EIO; goto finish; } @@ -2117,26 +2787,32 @@ static int show(DBusConnection *bus, char **args, unsigned n) { "org.freedesktop.systemd1.Manager", "GetUnit"))) { log_error("Could not allocate message."); - r = -ENOMEM; + ret = -ENOMEM; goto finish; } if (!dbus_message_append_args(m, - DBUS_TYPE_STRING, &args[i], + DBUS_TYPE_STRING, name, DBUS_TYPE_INVALID)) { log_error("Could not append arguments to message."); - r = -ENOMEM; + ret = -ENOMEM; goto finish; } if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { - log_error("Failed to issue method call: %s", error.message); - r = -EIO; + log_error("Failed to issue method call: %s", bus_error_message(&error)); + + if (dbus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT)) + ret = 4; /* According to LSB: "program or service status is unknown" */ + else + ret = -EIO; goto finish; } } - } else { + } else if (show_properties) { + + /* Interpret as job id */ if (!(m = dbus_message_new_method_call( "org.freedesktop.systemd1", @@ -2144,7 +2820,7 @@ static int show(DBusConnection *bus, char **args, unsigned n) { "org.freedesktop.systemd1.Manager", "GetJob"))) { log_error("Could not allocate message."); - r = -ENOMEM; + ret = -ENOMEM; goto finish; } @@ -2152,13 +2828,40 @@ static int show(DBusConnection *bus, char **args, unsigned n) { DBUS_TYPE_UINT32, &id, DBUS_TYPE_INVALID)) { log_error("Could not append arguments to message."); - r = -ENOMEM; + ret = -ENOMEM; goto finish; } if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { - log_error("Failed to issue method call: %s", error.message); - r = -EIO; + log_error("Failed to issue method call: %s", bus_error_message(&error)); + ret = -EIO; + goto finish; + } + } else { + + /* Interpret as PID */ + + if (!(m = dbus_message_new_method_call( + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "GetUnitByPID"))) { + log_error("Could not allocate message."); + ret = -ENOMEM; + goto finish; + } + + if (!dbus_message_append_args(m, + DBUS_TYPE_UINT32, &id, + DBUS_TYPE_INVALID)) { + log_error("Could not append arguments to message."); + ret = -ENOMEM; + goto finish; + } + + if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { + log_error("Failed to issue method call: %s", bus_error_message(&error)); + ret = -EIO; goto finish; } } @@ -2166,21 +2869,19 @@ static int show(DBusConnection *bus, char **args, unsigned n) { if (!dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) { - log_error("Failed to parse reply: %s", error.message); - r = -EIO; + log_error("Failed to parse reply: %s", bus_error_message(&error)); + ret = -EIO; goto finish; } - if ((r = show_one(bus, path, show_properties, &new_line)) < 0) - goto finish; + if ((r = show_one(args[0], bus, path, show_properties, &new_line)) != 0) + ret = r; dbus_message_unref(m); dbus_message_unref(reply); m = reply = NULL; } - r = 0; - finish: if (m) dbus_message_unref(m); @@ -2190,237 +2891,18 @@ finish: dbus_error_free(&error); - return r; + return ret; } -static DBusHandlerResult monitor_filter(DBusConnection *connection, DBusMessage *message, void *data) { - DBusError error; +static int dump(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; - - assert(connection); - assert(message); - - dbus_error_init(&error); - - log_debug("Got D-Bus request: %s.%s() on %s", - dbus_message_get_interface(message), - dbus_message_get_member(message), - dbus_message_get_path(message)); - - if (dbus_message_is_signal(message, DBUS_INTERFACE_LOCAL, "Disconnected")) { - log_error("Warning! D-Bus connection terminated."); - dbus_connection_close(connection); - - } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "UnitNew") || - dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "UnitRemoved")) { - const char *id, *path; - - if (!dbus_message_get_args(message, &error, - DBUS_TYPE_STRING, &id, - DBUS_TYPE_OBJECT_PATH, &path, - DBUS_TYPE_INVALID)) - log_error("Failed to parse message: %s", error.message); - else if (streq(dbus_message_get_member(message), "UnitNew")) - printf("Unit %s added.\n", id); - else - printf("Unit %s removed.\n", id); - - } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobNew") || - dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) { - uint32_t id; - const char *path; - - if (!dbus_message_get_args(message, &error, - DBUS_TYPE_UINT32, &id, - DBUS_TYPE_OBJECT_PATH, &path, - DBUS_TYPE_INVALID)) - log_error("Failed to parse message: %s", error.message); - else if (streq(dbus_message_get_member(message), "JobNew")) - printf("Job %u added.\n", id); - else - printf("Job %u removed.\n", id); - - - } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Unit", "Changed") || - dbus_message_is_signal(message, "org.freedesktop.systemd1.Job", "Changed")) { - - const char *path, *interface, *property = "Id"; - DBusMessageIter iter, sub; - - path = dbus_message_get_path(message); - interface = dbus_message_get_interface(message); - - if (!(m = dbus_message_new_method_call( - "org.freedesktop.systemd1", - path, - "org.freedesktop.DBus.Properties", - "Get"))) { - log_error("Could not allocate message."); - goto oom; - } - - if (!dbus_message_append_args(m, - DBUS_TYPE_STRING, &interface, - DBUS_TYPE_STRING, &property, - DBUS_TYPE_INVALID)) { - log_error("Could not append arguments to message."); - goto finish; - } - - if (!(reply = dbus_connection_send_with_reply_and_block(connection, m, -1, &error))) { - log_error("Failed to issue method call: %s", error.message); - goto finish; - } - - if (!dbus_message_iter_init(reply, &iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) { - log_error("Failed to parse reply."); - goto finish; - } - - dbus_message_iter_recurse(&iter, &sub); - - if (streq(interface, "org.freedesktop.systemd1.Unit")) { - const char *id; - - if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) { - log_error("Failed to parse reply."); - goto finish; - } - - dbus_message_iter_get_basic(&sub, &id); - printf("Unit %s changed.\n", id); - } else { - uint32_t id; - - if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_UINT32) { - log_error("Failed to parse reply."); - goto finish; - } - - dbus_message_iter_get_basic(&sub, &id); - printf("Job %u changed.\n", id); - } - } - -finish: - if (m) - dbus_message_unref(m); - - if (reply) - dbus_message_unref(reply); - - dbus_error_free(&error); - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; - -oom: - if (m) - dbus_message_unref(m); - - if (reply) - dbus_message_unref(reply); - - dbus_error_free(&error); - return DBUS_HANDLER_RESULT_NEED_MEMORY; -} - -static int monitor(DBusConnection *bus, char **args, unsigned n) { - DBusMessage *m = NULL, *reply = NULL; - DBusError error; - int r; + DBusError error; + int r; + const char *text; dbus_error_init(&error); - if (!private_bus) { - dbus_bus_add_match(bus, - "type='signal'," - "sender='org.freedesktop.systemd1'," - "interface='org.freedesktop.systemd1.Manager'," - "path='/org/freedesktop/systemd1'", - &error); - - if (dbus_error_is_set(&error)) { - log_error("Failed to add match: %s", error.message); - r = -EIO; - goto finish; - } - - dbus_bus_add_match(bus, - "type='signal'," - "sender='org.freedesktop.systemd1'," - "interface='org.freedesktop.systemd1.Unit'," - "member='Changed'", - &error); - - if (dbus_error_is_set(&error)) { - log_error("Failed to add match: %s", error.message); - r = -EIO; - goto finish; - } - - dbus_bus_add_match(bus, - "type='signal'," - "sender='org.freedesktop.systemd1'," - "interface='org.freedesktop.systemd1.Job'," - "member='Changed'", - &error); - - if (dbus_error_is_set(&error)) { - log_error("Failed to add match: %s", error.message); - r = -EIO; - goto finish; - } - } - - if (!dbus_connection_add_filter(bus, monitor_filter, NULL, NULL)) { - log_error("Failed to add filter."); - r = -ENOMEM; - goto finish; - } - - if (!(m = dbus_message_new_method_call( - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "Subscribe"))) { - log_error("Could not allocate message."); - r = -ENOMEM; - goto finish; - } - - if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { - log_error("Failed to issue method call: %s", error.message); - r = -EIO; - goto finish; - } - - while (dbus_connection_read_write_dispatch(bus, -1)) - ; - - r = 0; - -finish: - - /* This is slightly dirty, since we don't undo the filter or the matches. */ - - if (m) - dbus_message_unref(m); - - if (reply) - dbus_message_unref(reply); - - dbus_error_free(&error); - - return r; -} - -static int dump(DBusConnection *bus, char **args, unsigned n) { - DBusMessage *m = NULL, *reply = NULL; - DBusError error; - int r; - const char *text; - - dbus_error_init(&error); + pager_open_if_enabled(); if (!(m = dbus_message_new_method_call( "org.freedesktop.systemd1", @@ -2432,7 +2914,7 @@ static int dump(DBusConnection *bus, char **args, unsigned n) { } if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { - log_error("Failed to issue method call: %s", error.message); + log_error("Failed to issue method call: %s", bus_error_message(&error)); r = -EIO; goto finish; } @@ -2440,7 +2922,7 @@ static int dump(DBusConnection *bus, char **args, unsigned n) { if (!dbus_message_get_args(reply, &error, DBUS_TYPE_STRING, &text, DBUS_TYPE_INVALID)) { - log_error("Failed to parse reply: %s", error.message); + log_error("Failed to parse reply: %s", bus_error_message(&error)); r = -EIO; goto finish; } @@ -2461,7 +2943,7 @@ finish: return r; } -static int snapshot(DBusConnection *bus, char **args, unsigned n) { +static int snapshot(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; DBusError error; int r; @@ -2483,7 +2965,7 @@ static int snapshot(DBusConnection *bus, char **args, unsigned n) { return -ENOMEM; } - if (n > 1) + if (strv_length(args) > 1) name = args[1]; if (!dbus_message_append_args(m, @@ -2496,7 +2978,7 @@ static int snapshot(DBusConnection *bus, char **args, unsigned n) { } if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { - log_error("Failed to issue method call: %s", error.message); + log_error("Failed to issue method call: %s", bus_error_message(&error)); r = -EIO; goto finish; } @@ -2504,7 +2986,7 @@ static int snapshot(DBusConnection *bus, char **args, unsigned n) { if (!dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) { - log_error("Failed to parse reply: %s", error.message); + log_error("Failed to parse reply: %s", bus_error_message(&error)); r = -EIO; goto finish; } @@ -2530,7 +3012,7 @@ static int snapshot(DBusConnection *bus, char **args, unsigned n) { dbus_message_unref(reply); if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { - log_error("Failed to issue method call: %s", error.message); + log_error("Failed to issue method call: %s", bus_error_message(&error)); r = -EIO; goto finish; } @@ -2568,18 +3050,18 @@ finish: return r; } -static int delete_snapshot(DBusConnection *bus, char **args, unsigned n) { +static int delete_snapshot(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; int r; DBusError error; - unsigned i; + char **name; assert(bus); assert(args); dbus_error_init(&error); - for (i = 1; i < n; i++) { + STRV_FOREACH(name, args+1) { const char *path = NULL; if (!(m = dbus_message_new_method_call( @@ -2593,7 +3075,7 @@ static int delete_snapshot(DBusConnection *bus, char **args, unsigned n) { } if (!dbus_message_append_args(m, - DBUS_TYPE_STRING, &args[i], + DBUS_TYPE_STRING, name, DBUS_TYPE_INVALID)) { log_error("Could not append arguments to message."); r = -ENOMEM; @@ -2601,7 +3083,7 @@ static int delete_snapshot(DBusConnection *bus, char **args, unsigned n) { } if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { - log_error("Failed to issue method call: %s", error.message); + log_error("Failed to issue method call: %s", bus_error_message(&error)); r = -EIO; goto finish; } @@ -2609,7 +3091,7 @@ static int delete_snapshot(DBusConnection *bus, char **args, unsigned n) { if (!dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) { - log_error("Failed to parse reply: %s", error.message); + log_error("Failed to parse reply: %s", bus_error_message(&error)); r = -EIO; goto finish; } @@ -2627,7 +3109,7 @@ static int delete_snapshot(DBusConnection *bus, char **args, unsigned n) { dbus_message_unref(reply); if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { - log_error("Failed to issue method call: %s", error.message); + log_error("Failed to issue method call: %s", bus_error_message(&error)); r = -EIO; goto finish; } @@ -2651,7 +3133,7 @@ finish: return r; } -static int clear_jobs(DBusConnection *bus, char **args, unsigned n) { +static int daemon_reload(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; DBusError error; int r; @@ -2667,11 +3149,16 @@ static int clear_jobs(DBusConnection *bus, char **args, unsigned n) { assert(arg_action == ACTION_SYSTEMCTL); method = - streq(args[0], "clear-jobs") ? "ClearJobs" : - streq(args[0], "daemon-reload") ? "Reload" : - streq(args[0], "daemon-reexec") ? "Reexecute" : - streq(args[0], "reset-maintenance") ? "ResetMaintenance" : - "Exit"; + streq(args[0], "clear-jobs") || + streq(args[0], "cancel") ? "ClearJobs" : + streq(args[0], "daemon-reexec") ? "Reexecute" : + streq(args[0], "reset-failed") ? "ResetFailed" : + streq(args[0], "halt") ? "Halt" : + streq(args[0], "poweroff") ? "PowerOff" : + streq(args[0], "reboot") ? "Reboot" : + streq(args[0], "kexec") ? "KExec" : + streq(args[0], "exit") ? "Exit" : + /* "daemon-reload" */ "Reload"; } if (!(m = dbus_message_new_method_call( @@ -2688,16 +3175,23 @@ static int clear_jobs(DBusConnection *bus, char **args, unsigned n) { if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(&error)) { /* There's always a fallback possible for * legacy actions. */ + r = -EADDRNOTAVAIL; + goto finish; + } + + if (streq(method, "Reexecute") && dbus_error_has_name(&error, DBUS_ERROR_NO_REPLY)) { + /* On reexecution, we expect a disconnect, not + * a reply */ r = 0; goto finish; } - log_error("Failed to issue method call: %s", error.message); + log_error("Failed to issue method call: %s", bus_error_message(&error)); r = -EIO; goto finish; } - r = 1; + r = 0; finish: if (m) @@ -2711,32 +3205,32 @@ finish: return r; } -static int reset_maintenance(DBusConnection *bus, char **args, unsigned n) { +static int reset_failed(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; - unsigned i; int r; DBusError error; + char **name; assert(bus); dbus_error_init(&error); - if (n <= 1) - return clear_jobs(bus, args, n); + if (strv_length(args) <= 1) + return daemon_reload(bus, args); - for (i = 1; i < n; i++) { + STRV_FOREACH(name, args+1) { if (!(m = dbus_message_new_method_call( "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", - "ResetMaintenanceUnit"))) { + "ResetFailedUnit"))) { log_error("Could not allocate message."); r = -ENOMEM; goto finish; } if (!dbus_message_append_args(m, - DBUS_TYPE_STRING, args + i, + DBUS_TYPE_STRING, name, DBUS_TYPE_INVALID)) { log_error("Could not append arguments to message."); r = -ENOMEM; @@ -2744,7 +3238,7 @@ static int reset_maintenance(DBusConnection *bus, char **args, unsigned n) { } if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { - log_error("Failed to issue method call: %s", error.message); + log_error("Failed to issue method call: %s", bus_error_message(&error)); r = -EIO; goto finish; } @@ -2768,7 +3262,7 @@ finish: return r; } -static int show_enviroment(DBusConnection *bus, char **args, unsigned n) { +static int show_enviroment(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; DBusError error; DBusMessageIter iter, sub, sub2; @@ -2779,6 +3273,8 @@ static int show_enviroment(DBusConnection *bus, char **args, unsigned n) { dbus_error_init(&error); + pager_open_if_enabled(); + if (!(m = dbus_message_new_method_call( "org.freedesktop.systemd1", "/org/freedesktop/systemd1", @@ -2798,7 +3294,7 @@ static int show_enviroment(DBusConnection *bus, char **args, unsigned n) { } if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { - log_error("Failed to issue method call: %s", error.message); + log_error("Failed to issue method call: %s", bus_error_message(&error)); r = -EIO; goto finish; } @@ -2810,33 +3306,464 @@ static int show_enviroment(DBusConnection *bus, char **args, unsigned n) { goto finish; } - dbus_message_iter_recurse(&iter, &sub); + dbus_message_iter_recurse(&iter, &sub); + + if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_ARRAY || + dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_STRING) { + log_error("Failed to parse reply."); + r = -EIO; + goto finish; + } + + dbus_message_iter_recurse(&sub, &sub2); + + while (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_INVALID) { + const char *text; + + if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_STRING) { + log_error("Failed to parse reply."); + r = -EIO; + goto finish; + } + + dbus_message_iter_get_basic(&sub2, &text); + printf("%s\n", text); + + dbus_message_iter_next(&sub2); + } + + r = 0; + +finish: + if (m) + dbus_message_unref(m); + + if (reply) + dbus_message_unref(reply); + + dbus_error_free(&error); + + return r; +} + +static int set_environment(DBusConnection *bus, char **args) { + DBusMessage *m = NULL, *reply = NULL; + DBusError error; + int r; + const char *method; + DBusMessageIter iter, sub; + char **name; + + dbus_error_init(&error); + + method = streq(args[0], "set-environment") + ? "SetEnvironment" + : "UnsetEnvironment"; + + if (!(m = dbus_message_new_method_call( + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + method))) { + + log_error("Could not allocate message."); + return -ENOMEM; + } + + dbus_message_iter_init_append(m, &iter); + + if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub)) { + log_error("Could not append arguments to message."); + r = -ENOMEM; + goto finish; + } + + STRV_FOREACH(name, args+1) + if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, name)) { + log_error("Could not append arguments to message."); + r = -ENOMEM; + goto finish; + } + + if (!dbus_message_iter_close_container(&iter, &sub)) { + log_error("Could not append arguments to message."); + r = -ENOMEM; + goto finish; + } + + if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { + log_error("Failed to issue method call: %s", bus_error_message(&error)); + r = -EIO; + goto finish; + } + + r = 0; + +finish: + if (m) + dbus_message_unref(m); + + if (reply) + dbus_message_unref(reply); + + dbus_error_free(&error); + + return r; +} + +static int enable_sysv_units(char **args) { + int r = 0; + +#if defined (HAVE_SYSV_COMPAT) && (defined(TARGET_FEDORA) || defined(TARGET_MANDRIVA) || defined(TARGET_SUSE) || defined(TARGET_MEEGO) || defined(TARGET_ALTLINUX)) + const char *verb = args[0]; + unsigned f = 1, t = 1; + LookupPaths paths; + + if (arg_scope != UNIT_FILE_SYSTEM) + return 0; + + if (!streq(verb, "enable") && + !streq(verb, "disable") && + !streq(verb, "is-enabled")) + return 0; + + /* Processes all SysV units, and reshuffles the array so that + * afterwards only the native units remain */ + + zero(paths); + r = lookup_paths_init(&paths, MANAGER_SYSTEM, false); + if (r < 0) + return r; + + r = 0; + + for (f = 1; args[f]; f++) { + const char *name; + char *p; + bool found_native = false, found_sysv; + unsigned c = 1; + const char *argv[6] = { "/sbin/chkconfig", NULL, NULL, NULL, NULL }; + char **k, *l, *q = NULL; + int j; + pid_t pid; + siginfo_t status; + + name = args[f]; + + if (!endswith(name, ".service")) + continue; + + if (path_is_absolute(name)) + continue; + + STRV_FOREACH(k, paths.unit_path) { + p = NULL; + + if (!isempty(arg_root)) + asprintf(&p, "%s/%s/%s", arg_root, *k, name); + else + asprintf(&p, "%s/%s", *k, name); + + if (!p) { + log_error("No memory"); + r = -ENOMEM; + goto finish; + } + + found_native = access(p, F_OK) >= 0; + free(p); + + if (found_native) + break; + } + + if (found_native) + continue; + + p = NULL; + if (!isempty(arg_root)) + asprintf(&p, "%s/" SYSTEM_SYSVINIT_PATH "/%s", arg_root, name); + else + asprintf(&p, SYSTEM_SYSVINIT_PATH "/%s", name); + if (!p) { + log_error("No memory"); + r = -ENOMEM; + goto finish; + } + + p[strlen(p) - sizeof(".service") + 1] = 0; + found_sysv = access(p, F_OK) >= 0; + + if (!found_sysv) { + free(p); + continue; + } + + /* Mark this entry, so that we don't try enabling it as native unit */ + args[f] = (char*) ""; + + log_info("%s is not a native service, redirecting to /sbin/chkconfig.", name); + + if (!isempty(arg_root)) + argv[c++] = q = strappend("--root=", arg_root); + + argv[c++] = file_name_from_path(p); + argv[c++] = + streq(verb, "enable") ? "on" : + streq(verb, "disable") ? "off" : "--level=5"; + argv[c] = NULL; + + l = strv_join((char**)argv, " "); + if (!l) { + log_error("No memory."); + free(q); + free(p); + r = -ENOMEM; + goto finish; + } + + log_info("Executing %s", l); + free(l); + + pid = fork(); + if (pid < 0) { + log_error("Failed to fork: %m"); + free(p); + free(q); + r = -errno; + goto finish; + } else if (pid == 0) { + /* Child */ + + execv(argv[0], (char**) argv); + _exit(EXIT_FAILURE); + } + + free(p); + free(q); + + j = wait_for_terminate(pid, &status); + if (j < 0) { + log_error("Failed to wait for child: %s", strerror(-r)); + r = j; + goto finish; + } + + if (status.si_code == CLD_EXITED) { + if (streq(verb, "is-enabled")) { + if (status.si_status == 0) { + if (!arg_quiet) + puts("enabled"); + r = 1; + } else { + if (!arg_quiet) + puts("disabled"); + } + + } else if (status.si_status != 0) { + r = -EINVAL; + goto finish; + } + } else { + r = -EPROTO; + goto finish; + } + } + +finish: + lookup_paths_free(&paths); + + /* Drop all SysV units */ + for (f = 1, t = 1; args[f]; f++) { + + if (isempty(args[f])) + continue; + + args[t++] = args[f]; + } + + args[t] = NULL; + +#endif + return r; +} + +static int enable_unit(DBusConnection *bus, char **args) { + const char *verb = args[0]; + UnitFileChange *changes = NULL; + unsigned n_changes = 0, i; + int carries_install_info = -1; + DBusMessage *m = NULL, *reply = NULL; + int r; + DBusError error; + + dbus_error_init(&error); + + r = enable_sysv_units(args); + if (r < 0) + return r; + + if (!bus || avoid_bus()) { + if (streq(verb, "enable")) { + r = unit_file_enable(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes); + carries_install_info = r; + } else if (streq(verb, "disable")) + r = unit_file_disable(arg_scope, arg_runtime, arg_root, args+1, &changes, &n_changes); + else if (streq(verb, "reenable")) { + r = unit_file_reenable(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes); + carries_install_info = r; + } else if (streq(verb, "link")) + r = unit_file_link(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes); + else if (streq(verb, "preset")) { + r = unit_file_preset(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes); + carries_install_info = r; + } else if (streq(verb, "mask")) + r = unit_file_mask(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes); + else if (streq(verb, "unmask")) + r = unit_file_unmask(arg_scope, arg_runtime, arg_root, args+1, &changes, &n_changes); + else + assert_not_reached("Unknown verb"); + + if (r < 0) { + log_error("Operation failed: %s", strerror(-r)); + goto finish; + } + + for (i = 0; i < n_changes; i++) { + if (changes[i].type == UNIT_FILE_SYMLINK) + log_info("ln -s '%s' '%s'", changes[i].source, changes[i].path); + else + log_info("rm '%s'", changes[i].path); + } + + } else { + const char *method; + bool send_force = true, expect_carries_install_info = false; + dbus_bool_t a, b; + DBusMessageIter iter, sub, sub2; + + 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")) { + 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"); + + m = dbus_message_new_method_call( + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + method); + if (!m) { + log_error("Out of memory"); + r = -ENOMEM; + goto finish; + } + + dbus_message_iter_init_append(m, &iter); + + r = bus_append_strv_iter(&iter, args+1); + if (r < 0) { + log_error("Failed to append unit files."); + goto finish; + } + + a = arg_runtime; + if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &a)) { + log_error("Failed to append runtime boolean."); + r = -ENOMEM; + goto finish; + } + + if (send_force) { + b = arg_force; + + if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &b)) { + log_error("Failed to append force boolean."); + r = -ENOMEM; + goto finish; + } + } + + reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error); + if (!reply) { + log_error("Failed to issue method call: %s", bus_error_message(&error)); + r = -EIO; + goto finish; + } - if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_ARRAY || - dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_STRING) { - log_error("Failed to parse reply."); - r = -EIO; - goto finish; - } + if (!dbus_message_iter_init(reply, &iter)) { + log_error("Failed to initialize iterator."); + goto finish; + } - dbus_message_iter_recurse(&sub, &sub2); + if (expect_carries_install_info) { + r = bus_iter_get_basic_and_next(&iter, DBUS_TYPE_BOOLEAN, &b, true); + if (r < 0) { + log_error("Failed to parse reply."); + goto finish; + } - while (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_INVALID) { - const char *text; + carries_install_info = b; + } - if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_STRING) { + if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || + dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) { log_error("Failed to parse reply."); r = -EIO; goto finish; } - dbus_message_iter_get_basic(&sub2, &text); - printf("%s\n", text); + dbus_message_iter_recurse(&iter, &sub); + while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { + const char *type, *path, *source; - dbus_message_iter_next(&sub2); + if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) { + log_error("Failed to parse reply."); + r = -EIO; + goto finish; + } + + dbus_message_iter_recurse(&sub, &sub2); + + if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) < 0 || + bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) < 0 || + bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &source, false) < 0) { + log_error("Failed to parse reply."); + r = -EIO; + goto finish; + } + + if (streq(type, "symlink")) + log_info("ln -s '%s' '%s'", source, path); + else + log_info("rm '%s'", path); + + dbus_message_iter_next(&sub); + } + + /* Try to reload if enabeld */ + if (!arg_no_reload) + r = daemon_reload(bus, args); } - r = 0; + if (carries_install_info == 0) + log_warning("Warning: unit files do not carry install information. No operation executed."); finish: if (m) @@ -2845,63 +3772,100 @@ finish: if (reply) dbus_message_unref(reply); - dbus_error_free(&error); + unit_file_changes_free(changes, n_changes); + dbus_error_free(&error); return r; } -static int set_environment(DBusConnection *bus, char **args, unsigned n) { - DBusMessage *m = NULL, *reply = NULL; +static int unit_is_enabled(DBusConnection *bus, char **args) { DBusError error; int r; - const char *method; - DBusMessageIter iter, sub; - unsigned i; + DBusMessage *m = NULL, *reply = NULL; + bool enabled; + char **name; dbus_error_init(&error); - method = streq(args[0], "set-environment") - ? "SetEnvironment" - : "UnsetEnvironment"; + r = enable_sysv_units(args); + if (r < 0) + return r; - if (!(m = dbus_message_new_method_call( - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - method))) { + enabled = r > 0; - log_error("Could not allocate message."); - return -ENOMEM; - } + if (!bus || avoid_bus()) { - dbus_message_iter_init_append(m, &iter); + STRV_FOREACH(name, args+1) { + UnitFileState state; - if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub)) { - log_error("Could not append arguments to message."); - r = -ENOMEM; - goto finish; - } + state = unit_file_get_state(arg_scope, arg_root, *name); + if (state < 0) { + r = state; + goto finish; + } - for (i = 1; i < n; i++) - if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &args[i])) { - log_error("Could not append arguments to message."); - r = -ENOMEM; - goto finish; + if (state == UNIT_FILE_ENABLED || + state == UNIT_FILE_ENABLED_RUNTIME || + state == UNIT_FILE_STATIC) + enabled = true; + + if (!arg_quiet) + puts(unit_file_state_to_string(state)); } - if (!dbus_message_iter_close_container(&iter, &sub)) { - log_error("Could not append arguments to message."); - r = -ENOMEM; - goto finish; - } + } else { + STRV_FOREACH(name, args+1) { + const char *s; - if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { - log_error("Failed to issue method call: %s", error.message); - r = -EIO; - goto finish; + m = dbus_message_new_method_call( + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "GetUnitFileState"); + if (!m) { + log_error("Out of memory"); + r = -ENOMEM; + goto finish; + } + + if (!dbus_message_append_args(m, + DBUS_TYPE_STRING, name, + DBUS_TYPE_INVALID)) { + log_error("Could not append arguments to message."); + r = -ENOMEM; + goto finish; + } + + reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error); + if (!reply) { + log_error("Failed to issue method call: %s", bus_error_message(&error)); + r = -EIO; + goto finish; + } + + if (!dbus_message_get_args(reply, &error, + DBUS_TYPE_STRING, &s, + DBUS_TYPE_INVALID)) { + log_error("Failed to parse reply: %s", bus_error_message(&error)); + r = -EIO; + goto finish; + } + + dbus_message_unref(m); + dbus_message_unref(reply); + m = reply = NULL; + + if (streq(s, "enabled") || + streq(s, "enabled-runtime") || + streq(s, "static")) + enabled = true; + + if (!arg_quiet) + puts(s); + } } - r = 0; + r = enabled ? 0 : 1; finish: if (m) @@ -2911,32 +3875,52 @@ finish: dbus_message_unref(reply); dbus_error_free(&error); - return r; } static int systemctl_help(void) { + pager_open_if_enabled(); + printf("%s [OPTIONS...] {COMMAND} ...\n\n" - "Send control commands to or query the systemd manager.\n\n" - " -h --help Show this help\n" - " -t --type=TYPE List only units of a particular type\n" - " -p --property=NAME Show only properties by this name\n" - " -a --all Show all units/properties, including dead/empty ones\n" - " --full Don't ellipsize unit names.\n" - " --fail When installing a new job, fail if conflicting jobs are\n" - " pending\n" - " --system Connect to system bus\n" - " --session Connect to session bus\n" - " --order When generating graph for dot, show only order\n" + "Query or send control commands to the systemd manager.\n\n" + " -h --help Show this help\n" + " --version Show package version\n" + " -t --type=TYPE List only units of a particular type\n" + " -p --property=NAME Show only properties by this name\n" + " -a --all Show all units/properties, including dead/empty ones\n" + " --failed Show only failed units\n" + " --full Don't ellipsize unit names on output\n" + " --fail When queueing a new job, fail if conflicting jobs are\n" + " pending\n" + " --ignore-dependencies\n" + " When queueing a new job, ignore all its dependencies\n" + " --kill-who=WHO Who to send signal to\n" + " -s --signal=SIGNAL Which signal to send\n" + " -H --host=[USER@]HOST\n" + " Show information for remote host\n" + " -P --privileged Acquire privileges before execution\n" + " -q --quiet Suppress output\n" + " --no-block Do not wait until operation finished\n" + " --no-wall Don't send wall message before halt/power-off/reboot\n" + " --no-reload When enabling/disabling unit files, don't reload daemon\n" + " configuration\n" + " --no-pager Do not pipe output into a pager\n" + " --no-ask-password\n" + " Do not ask for system passwords\n" + " --order When generating graph for dot, show only order\n" " --require When generating graph for dot, show only requirement\n" - " -q --quiet Suppress output\n" - " --no-block Do not wait until operation finished\n" - " --no-wall Don't send wall message before halt/power-off/reboot\n\n" - "Commands:\n" - " list-units List units\n" - " start [NAME...] Start one or more units\n" - " stop [NAME...] Stop one or more units\n" + " --system Connect to system manager\n" + " --user Connect to user service manager\n" + " --global Enable/disable unit files globally\n" + " -f --force When enabling unit files, override existing symlinks\n" + " When shutting down, execute action immediately\n" + " --root=PATH Enable unit files in the specified root directory\n" + " --runtime Enable unit files only temporarily until next reboot\n\n" + "Unit Commands:\n" + " list-units List loaded units\n" + " start [NAME...] Start (activate) one or more units\n" + " stop [NAME...] Stop (deactivate) one or more units\n" " reload [NAME...] Reload one or more units\n" " restart [NAME...] Start or restart one or more units\n" " try-restart [NAME...] Restart one or more units if active\n" @@ -2945,33 +3929,51 @@ static int systemctl_help(void) { " reload-or-try-restart [NAME...] Reload one or more units is possible,\n" " otherwise restart if active\n" " isolate [NAME] Start one unit and stop all others\n" - " check [NAME...] Check whether units are active\n" - " status [NAME...] Show status of one or more units\n" + " kill [NAME...] Send signal to processes of a unit\n" + " is-active [NAME...] Check whether units are active\n" + " status [NAME...|PID...] Show runtime status of one or more units\n" " show [NAME...|JOB...] Show properties of one or more\n" - " units/jobs/manager\n" - " reset-maintenance [NAME...] Reset maintenance state for all, one\n" - " or more units\n" - " load [NAME...] Load one or more units\n" + " units/jobs or the manager\n" + " reset-failed [NAME...] Reset failed state for all, one, or more\n" + " units\n" + " load [NAME...] Load one or more units\n\n" + "Unit File Commands:\n" + " list-unit-files 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" + " 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" + " is-enabled [NAME...] Check whether unit files are enabled\n\n" + "Job Commands:\n" " list-jobs List jobs\n" - " cancel [JOB...] Cancel one or more jobs\n" - " clear-jobs Cancel all jobs\n" - " monitor Monitor unit/job changes\n" + " cancel [JOB...] Cancel all, one, or more jobs\n\n" + "Status Commands:\n" " dump Dump server status\n" - " dot Dump dependency graph for dot(1)\n" + " dot Dump dependency graph for dot(1)\n\n" + "Snapshot Commands:\n" " snapshot [NAME] Create a snapshot\n" - " delete [NAME...] Remove one or more snapshots\n" - " daemon-reload Reload systemd manager configuration\n" - " daemon-reexec Reexecute systemd manager\n" - " daemon-exit Ask the systemd manager to quit\n" + " 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" + " unset-environment [NAME...] Unset one or more 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" + " default Enter system default mode\n" + " rescue Enter system rescue mode\n" + " emergency Enter system emergency mode\n" " halt Shut down and halt the system\n" " poweroff Shut down and power-off the system\n" " reboot Shut down and reboot the system\n" - " rescue Enter system rescue mode\n" - " emergency Enter system emergency mode\n" - " default Enter system default mode\n", + " kexec Shut down and reboot the system with kexec\n" + " exit Ask for user instance termination\n", program_invocation_short_name); return 0; @@ -3000,7 +4002,7 @@ static int halt_help(void) { static int shutdown_help(void) { - printf("%s [OPTIONS...] [now] [WALL...]\n\n" + printf("%s [OPTIONS...] [TIME] [WALL...]\n\n" "Shut down the system.\n\n" " --help Show this help\n" " -H --halt Halt the machine\n" @@ -3008,7 +4010,8 @@ static int shutdown_help(void) { " -r --reboot Reboot the machine\n" " -h Equivalent to --poweroff, overriden 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", + " --no-wall Don't send wall message before halt/power-off/reboot\n" + " -c Cancel a pending shutdown\n", program_invocation_short_name); return 0; @@ -3046,30 +4049,56 @@ static int systemctl_parse_argv(int argc, char *argv[]) { enum { ARG_FAIL = 0x100, - ARG_SESSION, + ARG_IGNORE_DEPENDENCIES, + ARG_VERSION, + ARG_USER, ARG_SYSTEM, + ARG_GLOBAL, ARG_NO_BLOCK, + ARG_NO_PAGER, ARG_NO_WALL, ARG_ORDER, ARG_REQUIRE, - ARG_FULL + ARG_ROOT, + ARG_FULL, + ARG_NO_RELOAD, + ARG_KILL_MODE, + ARG_KILL_WHO, + ARG_NO_ASK_PASSWORD, + ARG_FAILED, + ARG_RUNTIME }; static const struct option options[] = { - { "help", no_argument, NULL, 'h' }, - { "type", required_argument, NULL, 't' }, - { "property", required_argument, NULL, 'p' }, - { "all", no_argument, NULL, 'a' }, - { "full", no_argument, NULL, ARG_FULL }, - { "fail", no_argument, NULL, ARG_FAIL }, - { "session", no_argument, NULL, ARG_SESSION }, - { "system", no_argument, NULL, ARG_SYSTEM }, - { "no-block", no_argument, NULL, ARG_NO_BLOCK }, - { "no-wall", no_argument, NULL, ARG_NO_WALL }, - { "quiet", no_argument, NULL, 'q' }, - { "order", no_argument, NULL, ARG_ORDER }, - { "require", no_argument, NULL, ARG_REQUIRE }, - { NULL, 0, NULL, 0 } + { "help", no_argument, NULL, 'h' }, + { "version", no_argument, NULL, ARG_VERSION }, + { "type", required_argument, NULL, 't' }, + { "property", required_argument, NULL, 'p' }, + { "all", no_argument, NULL, 'a' }, + { "failed", no_argument, NULL, ARG_FAILED }, + { "full", no_argument, NULL, ARG_FULL }, + { "fail", no_argument, NULL, ARG_FAIL }, + { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, + { "user", no_argument, NULL, ARG_USER }, + { "system", no_argument, NULL, ARG_SYSTEM }, + { "global", no_argument, NULL, ARG_GLOBAL }, + { "no-block", no_argument, NULL, ARG_NO_BLOCK }, + { "no-pager", no_argument, NULL, ARG_NO_PAGER }, + { "no-wall", no_argument, NULL, ARG_NO_WALL }, + { "quiet", no_argument, NULL, 'q' }, + { "order", no_argument, NULL, ARG_ORDER }, + { "require", no_argument, NULL, ARG_REQUIRE }, + { "root", required_argument, NULL, ARG_ROOT }, + { "force", no_argument, NULL, 'f' }, + { "no-reload", no_argument, NULL, ARG_NO_RELOAD }, + { "kill-mode", required_argument, NULL, ARG_KILL_MODE }, /* undocumented on purpose */ + { "kill-who", required_argument, NULL, ARG_KILL_WHO }, + { "signal", required_argument, NULL, 's' }, + { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD }, + { "host", required_argument, NULL, 'H' }, + { "privileged",no_argument, NULL, 'P' }, + { "runtime", no_argument, NULL, ARG_RUNTIME }, + { NULL, 0, NULL, 0 } }; int c; @@ -3077,7 +4106,10 @@ static int systemctl_parse_argv(int argc, char *argv[]) { assert(argc >= 0); assert(argv); - while ((c = getopt_long(argc, argv, "ht:p:aq", options, NULL)) >= 0) { + /* Only when running as systemctl we ask for passwords */ + arg_ask_password = true; + + while ((c = getopt_long(argc, argv, "ht:p:aqfs:H:P", options, NULL)) >= 0) { switch (c) { @@ -3085,6 +4117,12 @@ static int systemctl_parse_argv(int argc, char *argv[]) { systemctl_help(); return 0; + case ARG_VERSION: + puts(PACKAGE_STRING); + puts(DISTRIBUTION); + puts(SYSTEMD_FEATURES); + return 0; + case 't': arg_type = optarg; break; @@ -3110,21 +4148,33 @@ static int systemctl_parse_argv(int argc, char *argv[]) { break; case ARG_FAIL: - arg_fail = true; + arg_job_mode = "fail"; + break; + + case ARG_IGNORE_DEPENDENCIES: + arg_job_mode = "ignore-dependencies"; break; - case ARG_SESSION: - arg_session = true; + case ARG_USER: + arg_scope = UNIT_FILE_USER; break; case ARG_SYSTEM: - arg_session = false; + 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_PAGER: + arg_no_pager = true; + break; + case ARG_NO_WALL: arg_no_wall = true; break; @@ -3137,14 +4187,62 @@ static int systemctl_parse_argv(int argc, char *argv[]) { arg_dot = DOT_REQUIRE; break; + case ARG_ROOT: + arg_root = optarg; + break; + case ARG_FULL: arg_full = true; break; + case ARG_FAILED: + arg_failed = true; + break; + case 'q': arg_quiet = true; break; + case 'f': + arg_force = true; + break; + + case ARG_NO_RELOAD: + arg_no_reload = true; + break; + + case ARG_KILL_WHO: + arg_kill_who = optarg; + break; + + case ARG_KILL_MODE: + arg_kill_mode = 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 'P': + arg_transport = TRANSPORT_POLKIT; + break; + + case 'H': + arg_transport = TRANSPORT_SSH; + arg_host = optarg; + break; + + case ARG_RUNTIME: + arg_runtime = true; + break; + case '?': return -EINVAL; @@ -3154,6 +4252,11 @@ static int systemctl_parse_argv(int argc, char *argv[]) { } } + if (arg_transport != TRANSPORT_NORMAL && arg_scope != UNIT_FILE_SYSTEM) { + log_error("Cannot access user instance remotely."); + return -EINVAL; + } + return 1; } @@ -3200,7 +4303,8 @@ static int halt_parse_argv(int argc, char *argv[]) { break; case 'p': - arg_action = ACTION_POWEROFF; + if (arg_action != ACTION_REBOOT) + arg_action = ACTION_POWEROFF; break; case ARG_REBOOT: @@ -3249,6 +4353,68 @@ static int halt_parse_argv(int argc, char *argv[]) { 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); + + zero(tm); + assert_se(localtime_r(&s, &tm)); + + tm.tm_hour = (int) hour; + tm.tm_min = (int) minute; + tm.tm_sec = 0; + + assert_se(s = mktime(&tm)); + + *_u = (usec_t) s * USEC_PER_SEC; + + while (*_u <= n) + *_u += USEC_PER_DAY; + } + + return 0; +} + +static bool kexec_loaded(void) { + bool loaded = false; + char *s; + + if (read_one_line_file("/sys/kernel/kexec_loaded", &s) >= 0) { + if (s[0] == '1') + loaded = true; + free(s); + } + return loaded; +} + static int shutdown_parse_argv(int argc, char *argv[]) { enum { @@ -3265,12 +4431,12 @@ static int shutdown_parse_argv(int argc, char *argv[]) { { NULL, 0, NULL, 0 } }; - int c; + int c, r; assert(argc >= 0); assert(argv); - while ((c = getopt_long(argc, argv, "HPrhkt:a", options, NULL)) >= 0) { + while ((c = getopt_long(argc, argv, "HPrhkt:afFc", options, NULL)) >= 0) { switch (c) { case ARG_HELP: @@ -3286,7 +4452,10 @@ static int shutdown_parse_argv(int argc, char *argv[]) { break; case 'r': - arg_action = ACTION_REBOOT; + if (kexec_loaded()) + arg_action = ACTION_KEXEC; + else + arg_action = ACTION_REBOOT; break; case 'h': @@ -3307,6 +4476,10 @@ static int shutdown_parse_argv(int argc, char *argv[]) { /* Compatibility nops */ break; + case 'c': + arg_action = ACTION_CANCEL_SHUTDOWN; + break; + case '?': return -EINVAL; @@ -3316,10 +4489,15 @@ static int shutdown_parse_argv(int argc, char *argv[]) { } } - if (argc > optind && !streq(argv[optind], "now")) - log_warning("First argument '%s' isn't 'now'. Ignoring.", argv[optind]); + if (argc > optind) { + if ((r = parse_time_spec(argv[optind], &arg_when)) < 0) { + log_error("Failed to parse time specification: %s", argv[optind]); + return r; + } + } else + arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE; - /* We ignore the time argument */ + /* We skip the time argument */ if (argc > optind + 1) arg_wall = argv + optind + 1; @@ -3470,14 +4648,31 @@ static int parse_argv(int argc, char *argv[]) { arg_action = ACTION_POWEROFF; return halt_parse_argv(argc, argv); } else if (strstr(program_invocation_short_name, "reboot")) { - arg_action = ACTION_REBOOT; + if (kexec_loaded()) + arg_action = ACTION_KEXEC; + else + arg_action = ACTION_REBOOT; return halt_parse_argv(argc, argv); } else if (strstr(program_invocation_short_name, "shutdown")) { arg_action = ACTION_POWEROFF; return shutdown_parse_argv(argc, argv); } else if (strstr(program_invocation_short_name, "init")) { - arg_action = ACTION_INVALID; - return telinit_parse_argv(argc, argv); + + if (sd_booted() > 0) { + arg_action = ACTION_INVALID; + return telinit_parse_argv(argc, argv); + } else { + /* Hmm, so some other init system is + * running, we need to forward this + * request to it. For now we simply + * guess that it is Upstart. */ + + execv("/lib/upstart/telinit", argv); + + log_error("Couldn't find an alternative telinit implementation to spawn."); + return -EIO; + } + } else if (strstr(program_invocation_short_name, "runlevel")) { arg_action = ACTION_RUNLEVEL; return runlevel_parse_argv(argc, argv); @@ -3533,7 +4728,7 @@ static int talk_upstart(void) { goto finish; } - log_error("Failed to connect to Upstart bus: %s", error.message); + log_error("Failed to connect to Upstart bus: %s", bus_error_message(&error)); r = -EIO; goto finish; } @@ -3573,11 +4768,11 @@ static int talk_upstart(void) { if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { if (error_is_no_service(&error)) { - r = 0; + r = -EADDRNOTAVAIL; goto finish; } - log_error("Failed to issue method call: %s", error.message); + log_error("Failed to issue method call: %s", bus_error_message(&error)); r = -EIO; goto finish; } @@ -3592,6 +4787,7 @@ finish: dbus_message_unref(reply); if (bus) { + dbus_connection_flush(bus); dbus_connection_close(bus); dbus_connection_unref(bus); } @@ -3636,7 +4832,7 @@ static int talk_initctl(void) { return 1; } -static int systemctl_main(DBusConnection *bus, int argc, char *argv[]) { +static int systemctl_main(DBusConnection *bus, int argc, char *argv[], DBusError *error) { static const struct { const char* verb; @@ -3646,50 +4842,65 @@ static int systemctl_main(DBusConnection *bus, int argc, char *argv[]) { EQUAL } argc_cmp; const int argc; - int (* const dispatch)(DBusConnection *bus, char **args, unsigned n); + int (* const dispatch)(DBusConnection *bus, char **args); } verbs[] = { - { "list-units", LESS, 1, list_units }, - { "list-jobs", EQUAL, 1, list_jobs }, - { "clear-jobs", EQUAL, 1, clear_jobs }, - { "load", MORE, 2, load_unit }, - { "cancel", MORE, 2, cancel_job }, - { "start", MORE, 2, start_unit }, - { "stop", MORE, 2, start_unit }, - { "reload", MORE, 2, start_unit }, - { "restart", MORE, 2, start_unit }, - { "try-restart", MORE, 2, start_unit }, - { "reload-or-restart", MORE, 2, start_unit }, - { "reload-or-try-restart", MORE, 2, start_unit }, - { "isolate", EQUAL, 2, start_unit }, - { "check", MORE, 2, check_unit }, - { "show", MORE, 1, show }, - { "status", MORE, 2, show }, - { "monitor", EQUAL, 1, monitor }, - { "dump", EQUAL, 1, dump }, - { "dot", EQUAL, 1, dot }, - { "snapshot", LESS, 2, snapshot }, - { "delete", MORE, 2, delete_snapshot }, - { "daemon-reload", EQUAL, 1, clear_jobs }, - { "daemon-reexec", EQUAL, 1, clear_jobs }, - { "daemon-exit", EQUAL, 1, clear_jobs }, - { "show-environment", EQUAL, 1, show_enviroment }, - { "set-environment", MORE, 2, set_environment }, - { "unset-environment", MORE, 2, set_environment }, - { "halt", EQUAL, 1, start_special }, - { "poweroff", EQUAL, 1, start_special }, - { "reboot", EQUAL, 1, start_special }, - { "default", EQUAL, 1, start_special }, - { "rescue", EQUAL, 1, start_special }, - { "emergency", EQUAL, 1, start_special }, - { "reset-maintenance", MORE, 1, reset_maintenance }, + { "list-units", LESS, 1, list_units }, + { "list-unit-files", EQUAL, 1, list_unit_files }, + { "list-jobs", EQUAL, 1, list_jobs }, + { "clear-jobs", EQUAL, 1, daemon_reload }, + { "load", MORE, 2, load_unit }, + { "cancel", MORE, 2, cancel_job }, + { "start", MORE, 2, start_unit }, + { "stop", MORE, 2, start_unit }, + { "condstop", MORE, 2, start_unit }, /* For compatibility with ALTLinux */ + { "reload", MORE, 2, start_unit }, + { "restart", MORE, 2, start_unit }, + { "try-restart", MORE, 2, start_unit }, + { "reload-or-restart", MORE, 2, start_unit }, + { "reload-or-try-restart", MORE, 2, start_unit }, + { "force-reload", MORE, 2, start_unit }, /* For compatibility with SysV */ + { "condreload", MORE, 2, start_unit }, /* For compatibility with ALTLinux */ + { "condrestart", MORE, 2, start_unit }, /* For compatibility with RH */ + { "isolate", EQUAL, 2, start_unit }, + { "kill", MORE, 2, kill_unit }, + { "is-active", MORE, 2, check_unit }, + { "check", MORE, 2, check_unit }, + { "show", MORE, 1, show }, + { "status", MORE, 2, show }, + { "dump", EQUAL, 1, dump }, + { "dot", EQUAL, 1, dot }, + { "snapshot", LESS, 2, snapshot }, + { "delete", MORE, 2, delete_snapshot }, + { "daemon-reload", EQUAL, 1, daemon_reload }, + { "daemon-reexec", EQUAL, 1, daemon_reload }, + { "show-environment", EQUAL, 1, show_enviroment }, + { "set-environment", MORE, 2, set_environment }, + { "unset-environment", MORE, 2, set_environment }, + { "halt", EQUAL, 1, start_special }, + { "poweroff", EQUAL, 1, start_special }, + { "reboot", EQUAL, 1, start_special }, + { "kexec", EQUAL, 1, start_special }, + { "default", EQUAL, 1, start_special }, + { "rescue", EQUAL, 1, start_special }, + { "emergency", EQUAL, 1, start_special }, + { "exit", EQUAL, 1, start_special }, + { "reset-failed", MORE, 1, reset_failed }, + { "enable", MORE, 2, enable_unit }, + { "disable", MORE, 2, enable_unit }, + { "is-enabled", MORE, 2, unit_is_enabled }, + { "reenable", MORE, 2, enable_unit }, + { "preset", MORE, 2, enable_unit }, + { "mask", MORE, 2, enable_unit }, + { "unmask", MORE, 2, enable_unit }, + { "link", MORE, 2, enable_unit } }; int left; unsigned i; - assert(bus); assert(argc >= 0); assert(argv); + assert(error); left = argc - optind; @@ -3742,15 +4953,80 @@ static int systemctl_main(DBusConnection *bus, int argc, char *argv[]) { assert_not_reached("Unknown comparison operator."); } - return verbs[i].dispatch(bus, argv + optind, left); + /* Require a bus connection for all operations but + * enable/disable */ + if (!streq(verbs[i].verb, "enable") && + !streq(verbs[i].verb, "disable") && + !streq(verbs[i].verb, "is-enable") && + !streq(verbs[i].verb, "reenable") && + !streq(verbs[i].verb, "preset") && + !streq(verbs[i].verb, "mask") && + !streq(verbs[i].verb, "unmask") && + !streq(verbs[i].verb, "link")) { + + if (running_in_chroot() > 0) { + log_info("Running in chroot, ignoring request."); + return 0; + } + + if (!bus && !avoid_bus()) { + log_error("Failed to get D-Bus connection: %s", error->message); + return -EIO; + } + } + + return verbs[i].dispatch(bus, argv + optind); +} + +static int send_shutdownd(usec_t t, char mode, bool dry_run, bool warn, const char *message) { + int fd = -1; + struct msghdr msghdr; + struct iovec iovec; + union sockaddr_union sockaddr; + struct shutdownd_command c; + + zero(c); + c.elapse = t; + c.mode = mode; + c.dry_run = dry_run; + c.warn_wall = warn; + + if (message) + strncpy(c.wall_message, message, sizeof(c.wall_message)); + + if ((fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0)) < 0) + return -errno; + + zero(sockaddr); + sockaddr.sa.sa_family = AF_UNIX; + sockaddr.un.sun_path[0] = 0; + strncpy(sockaddr.un.sun_path, "/run/systemd/shutdownd", sizeof(sockaddr.un.sun_path)); + + zero(iovec); + iovec.iov_base = (char*) &c; + iovec.iov_len = sizeof(c); + + zero(msghdr); + msghdr.msg_name = &sockaddr; + msghdr.msg_namelen = offsetof(struct sockaddr_un, sun_path) + sizeof("/run/systemd/shutdownd") - 1; + + msghdr.msg_iov = &iovec; + msghdr.msg_iovlen = 1; + + if (sendmsg(fd, &msghdr, MSG_NOSIGNAL) < 0) { + close_nointr_nofail(fd); + return -errno; + } + + close_nointr_nofail(fd); + return 0; } static int reload_with_fallback(DBusConnection *bus) { - int r; if (bus) { /* First, try systemd via D-Bus. */ - if ((r = clear_jobs(bus, NULL, 0)) > 0) + if (daemon_reload(bus, NULL) > 0) return 0; } @@ -3766,23 +5042,21 @@ static int reload_with_fallback(DBusConnection *bus) { } static int start_with_fallback(DBusConnection *bus) { - int r; - if (bus) { /* First, try systemd via D-Bus. */ - if ((r = start_unit(bus, NULL, 0)) > 0) - goto done; - - /* Hmm, talking to systemd via D-Bus didn't work. Then - * let's try to talk to Upstart via D-Bus. */ - if ((r = talk_upstart()) > 0) + if (start_unit(bus, NULL) >= 0) goto done; } + /* Hmm, talking to systemd via D-Bus didn't work. Then + * let's try to talk to Upstart via D-Bus. */ + if (talk_upstart() > 0) + goto done; + /* Nothing else worked, so let's try * /dev/initctl */ - if ((r = talk_initctl()) != 0) + if (talk_initctl() > 0) goto done; log_error("Failed to talk to init daemon."); @@ -3797,16 +5071,42 @@ static int halt_main(DBusConnection *bus) { int r; if (geteuid() != 0) { - log_error("Must to be root."); + log_error("Must be root."); return -EPERM; } + if (arg_when > 0) { + char *m; + char date[FORMAT_TIMESTAMP_MAX]; + + m = strv_join(arg_wall, " "); + r = send_shutdownd(arg_when, + arg_action == ACTION_HALT ? 'H' : + arg_action == ACTION_POWEROFF ? 'P' : + 'r', + arg_dry, + !arg_no_wall, + m); + free(m); + + if (r < 0) + log_warning("Failed to talk to shutdownd, proceeding with immediate shutdown: %s", strerror(-r)); + else { + log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.", + format_timestamp(date, sizeof(date), arg_when)); + return 0; + } + } + if (!arg_dry && !arg_immediate) return start_with_fallback(bus); - if (!arg_no_wtmp) - if ((r = utmp_put_shutdown(0)) < 0) + if (!arg_no_wtmp) { + if (sd_booted() > 0) + log_debug("Not writing utmp record, assuming that systemd-update-utmp is used."); + else if ((r = utmp_put_shutdown(0)) < 0) log_warning("Failed to write utmp record: %s", strerror(-r)); + } if (!arg_no_sync) sync(); @@ -3821,17 +5121,17 @@ static int halt_main(DBusConnection *bus) { switch (arg_action) { case ACTION_HALT: - log_info("Halting"); + log_info("Halting."); reboot(RB_HALT_SYSTEM); break; case ACTION_POWEROFF: - log_info("Powering off"); + log_info("Powering off."); reboot(RB_POWER_OFF); break; case ACTION_REBOOT: - log_info("Rebooting"); + log_info("Rebooting."); reboot(RB_AUTOBOOT); break; @@ -3846,8 +5146,9 @@ static int halt_main(DBusConnection *bus) { static int runlevel_main(void) { int r, runlevel, previous; - if ((r = utmp_get_runlevel(&runlevel, &previous)) < 0) { - printf("unknown"); + r = utmp_get_runlevel(&runlevel, &previous); + if (r < 0) { + puts("unknown"); return r; } @@ -3859,47 +5160,60 @@ static int runlevel_main(void) { } int main(int argc, char*argv[]) { - int r, retval = 1; + int r, retval = EXIT_FAILURE; DBusConnection *bus = NULL; DBusError error; dbus_error_init(&error); log_parse_environment(); + log_open(); if ((r = parse_argv(argc, argv)) < 0) goto finish; else if (r == 0) { - retval = 0; + retval = EXIT_SUCCESS; goto finish; } /* /sbin/runlevel doesn't need to communicate via D-Bus, so * let's shortcut this */ if (arg_action == ACTION_RUNLEVEL) { - retval = runlevel_main() < 0; + r = runlevel_main(); + retval = r < 0 ? EXIT_FAILURE : r; goto finish; } - bus_connect(arg_session ? DBUS_BUS_SESSION : DBUS_BUS_SYSTEM, &bus, &private_bus, &error); - - switch (arg_action) { + if (running_in_chroot() > 0 && arg_action != ACTION_SYSTEMCTL) { + log_info("Running in chroot, ignoring request."); + retval = 0; + goto finish; + } - case ACTION_SYSTEMCTL: { + if (!avoid_bus()) { + if (arg_transport == TRANSPORT_NORMAL) + bus_connect(arg_scope == UNIT_FILE_SYSTEM ? DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, &bus, &private_bus, &error); + else if (arg_transport == TRANSPORT_POLKIT) { + bus_connect_system_polkit(&bus, &error); + private_bus = false; + } else if (arg_transport == TRANSPORT_SSH) { + bus_connect_system_ssh(NULL, arg_host, &bus, &error); + private_bus = false; + } else + assert_not_reached("Uh, invalid transport..."); + } - if (!bus) { - log_error("Failed to get D-Bus connection: %s", error.message); - goto finish; - } + switch (arg_action) { - retval = systemctl_main(bus, argc, argv) < 0; + case ACTION_SYSTEMCTL: + r = systemctl_main(bus, argc, argv, &error); break; - } case ACTION_HALT: case ACTION_POWEROFF: case ACTION_REBOOT: - retval = halt_main(bus) < 0; + case ACTION_KEXEC: + r = halt_main(bus); break; case ACTION_RUNLEVEL2: @@ -3909,12 +5223,16 @@ int main(int argc, char*argv[]) { case ACTION_RESCUE: case ACTION_EMERGENCY: case ACTION_DEFAULT: - retval = start_with_fallback(bus) < 0; + r = start_with_fallback(bus); break; case ACTION_RELOAD: case ACTION_REEXEC: - retval = reload_with_fallback(bus) < 0; + r = reload_with_fallback(bus); + break; + + case ACTION_CANCEL_SHUTDOWN: + r = send_shutdownd(0, 0, false, false, NULL); break; case ACTION_INVALID: @@ -3923,9 +5241,11 @@ int main(int argc, char*argv[]) { assert_not_reached("Unknown action"); } -finish: + retval = r < 0 ? EXIT_FAILURE : r; +finish: if (bus) { + dbus_connection_flush(bus); dbus_connection_close(bus); dbus_connection_unref(bus); } @@ -3936,5 +5256,8 @@ finish: strv_free(arg_property); + pager_close(); + agent_close(); + return retval; }