X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fsystemctl%2Fsystemctl.c;h=653a3247b414634480659e5c92a9ac6898b5025b;hp=c042da5508c6dd4ec39f0d6acbfef6b8c797868a;hb=b3ae710c251d0ce5cf2cef63208e325497b5e323;hpb=477def8097245a124f8ff51d17415cf78cde691b diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c index c042da550..653a3247b 100644 --- a/src/systemctl/systemctl.c +++ b/src/systemctl/systemctl.c @@ -37,6 +37,7 @@ #include #include #include +#include #include "sd-daemon.h" #include "sd-shutdown.h" @@ -57,7 +58,6 @@ #include "path-lookup.h" #include "conf-parser.h" #include "exit-status.h" -#include "bus-errors.h" #include "build.h" #include "unit-name.h" #include "pager.h" @@ -65,23 +65,24 @@ #include "spawn-polkit-agent.h" #include "install.h" #include "logs-show.h" -#include "path-util.h" #include "socket-util.h" #include "fileio.h" +#include "env-util.h" #include "bus-util.h" #include "bus-message.h" #include "bus-error.h" +#include "bus-errors.h" static char **arg_types = NULL; static char **arg_states = NULL; static char **arg_properties = NULL; static bool arg_all = false; -static bool original_stdout_is_tty; static enum dependency { DEPENDENCY_FORWARD, DEPENDENCY_REVERSE, DEPENDENCY_AFTER, DEPENDENCY_BEFORE, + _DEPENDENCY_MAX } arg_dependency = DEPENDENCY_FORWARD; static const char *arg_job_mode = "replace"; static UnitFileScope arg_scope = UNIT_FILE_SYSTEM; @@ -96,6 +97,7 @@ static bool arg_ignore_inhibitors = false; static bool arg_dry = false; static bool arg_quiet = false; static bool arg_full = false; +static bool arg_recursive = false; static int arg_force = 0; static bool arg_ask_password = true; static bool arg_runtime = false; @@ -134,8 +136,34 @@ static unsigned arg_lines = 10; static OutputMode arg_output = OUTPUT_SHORT; static bool arg_plain = false; +static const struct { + const char *verb; + const char *method; +} unit_actions[] = { + { "start", "StartUnit" }, + { "stop", "StopUnit" }, + { "condstop", "StopUnit" }, + { "reload", "ReloadUnit" }, + { "restart", "RestartUnit" }, + { "try-restart", "TryRestartUnit" }, + { "condrestart", "TryRestartUnit" }, + { "reload-or-restart", "ReloadOrRestartUnit" }, + { "reload-or-try-restart", "ReloadOrTryRestartUnit" }, + { "condreload", "ReloadOrTryRestartUnit" }, + { "force-reload", "ReloadOrTryRestartUnit" } +}; + +static bool original_stdout_is_tty; + static int daemon_reload(sd_bus *bus, char **args); static int halt_now(enum action a); +static int check_one_unit(sd_bus *bus, const char *name, const char *good_states, bool quiet); + +static char** strv_skip_first(char **strv) { + if (strv_length(strv) > 0) + return strv + 1; + return NULL; +} static void pager_open_if_enabled(void) { @@ -195,7 +223,7 @@ static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) return EXIT_NOTINSTALLED; if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) || - sd_bus_error_has_name(error, BUS_ERROR_NOT_SUPPORTED)) + sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED)) return EXIT_NOTIMPLEMENTED; if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) @@ -231,7 +259,7 @@ static void warn_wall(enum action a) { } if (*p) { - utmp_wall(p, NULL); + utmp_wall(p, NULL, NULL); return; } } @@ -239,7 +267,7 @@ static void warn_wall(enum action a) { if (!table[a]) return; - utmp_wall(table[a], NULL); + utmp_wall(table[a], NULL, NULL); } static bool avoid_bus(void) { @@ -262,22 +290,33 @@ static bool avoid_bus(void) { static int compare_unit_info(const void *a, const void *b) { const UnitInfo *u = a, *v = b; const char *d1, *d2; + int r; + /* First, order by machine */ + if (!u->machine && v->machine) + return -1; + if (u->machine && !v->machine) + return 1; + if (u->machine && v->machine) { + r = strcasecmp(u->machine, v->machine); + if (r != 0) + return r; + } + + /* Second, order by unit type */ d1 = strrchr(u->id, '.'); d2 = strrchr(v->id, '.'); - if (d1 && d2) { - int r; - r = strcasecmp(d1, d2); if (r != 0) return r; } + /* Third, order by name */ return strcasecmp(u->id, v->id); } -static bool output_show_unit(const UnitInfo *u) { +static bool output_show_unit(const UnitInfo *u, char **patterns) { const char *dot; if (!strv_isempty(arg_states)) @@ -286,30 +325,36 @@ static bool output_show_unit(const UnitInfo *u) { strv_contains(arg_states, u->sub_state) || strv_contains(arg_states, u->active_state); + if (!strv_isempty(patterns)) { + char **pattern; + + STRV_FOREACH(pattern, patterns) + if (fnmatch(*pattern, u->id, FNM_NOESCAPE) == 0) + return true; + return false; + } + return (!arg_types || ((dot = strrchr(u->id, '.')) && strv_find(arg_types, dot+1))) && (arg_all || !(streq(u->active_state, "inactive") || u->following[0]) || u->job_id > 0); } -static void output_units_list(const UnitInfo *unit_infos, unsigned c) { - unsigned id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len; +static int output_units_list(const UnitInfo *unit_infos, unsigned c) { + unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len; const UnitInfo *u; unsigned n_shown = 0; int job_count = 0; - max_id_len = sizeof("UNIT")-1; - load_len = sizeof("LOAD")-1; - active_len = sizeof("ACTIVE")-1; - sub_len = sizeof("SUB")-1; - job_len = sizeof("JOB")-1; + max_id_len = strlen("UNIT"); + load_len = strlen("LOAD"); + active_len = strlen("ACTIVE"); + sub_len = strlen("SUB"); + job_len = strlen("JOB"); desc_len = 0; for (u = unit_infos; u < unit_infos + c; u++) { - if (!output_show_unit(u)) - continue; - - max_id_len = MAX(max_id_len, strlen(u->id)); + max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0)); load_len = MAX(load_len, strlen(u->load_state)); active_len = MAX(active_len, strlen(u->active_state)); sub_len = MAX(sub_len, strlen(u->sub_state)); @@ -318,13 +363,18 @@ static void output_units_list(const UnitInfo *unit_infos, unsigned c) { job_len = MAX(job_len, strlen(u->job_type)); job_count++; } + + if (!arg_no_legend && + (streq(u->active_state, "failed") || + STR_IN_SET(u->load_state, "error", "not-found", "masked"))) + circle_len = 2; } if (!arg_full && original_stdout_is_tty) { unsigned basic_len; id_len = MIN(max_id_len, 25u); - basic_len = 5 + id_len + 5 + active_len + sub_len; + basic_len = circle_len + 5 + id_len + 5 + active_len + sub_len; if (job_count) basic_len += job_len + 1; @@ -351,14 +401,18 @@ static void output_units_list(const UnitInfo *unit_infos, unsigned c) { id_len = max_id_len; for (u = unit_infos; u < unit_infos + c; u++) { - _cleanup_free_ char *e = NULL; - const char *on_loaded, *off_loaded, *on = ""; - const char *on_active, *off_active, *off = ""; - - if (!output_show_unit(u)) - continue; + _cleanup_free_ char *e = NULL, *j = NULL; + const char *on_loaded = "", *off_loaded = ""; + const char *on_active = "", *off_active = ""; + const char *on_circle = "", *off_circle = ""; + const char *id; + bool circle = false; if (!n_shown && !arg_no_legend) { + + if (circle_len > 0) + fputs(" ", stdout); + printf("%-*s %-*s %-*s %-*s ", id_len, "UNIT", load_len, "LOAD", @@ -376,23 +430,41 @@ static void output_units_list(const UnitInfo *unit_infos, unsigned c) { n_shown++; - if (streq(u->load_state, "error") || - streq(u->load_state, "not-found")) { - on_loaded = on = ansi_highlight_red(); - off_loaded = off = ansi_highlight_off(); - } else - on_loaded = off_loaded = ""; + if (STR_IN_SET(u->load_state, "error", "not-found", "masked")) { + on_loaded = ansi_highlight_red(); + on_circle = ansi_highlight_yellow(); + off_loaded = off_circle = ansi_highlight_off(); + circle = true; + } if (streq(u->active_state, "failed")) { - on_active = on = ansi_highlight_red(); - off_active = off = ansi_highlight_off(); + on_circle = on_active = ansi_highlight_red(); + off_circle = off_active = ansi_highlight_off(); + circle = true; + } + + if (u->machine) { + j = strjoin(u->machine, ":", u->id, NULL); + if (!j) + return log_oom(); + + id = j; } else - on_active = off_active = ""; + id = u->id; - e = arg_full ? NULL : ellipsize(u->id, id_len, 33); + if (arg_full) { + e = ellipsize(id, id_len, 33); + if (!e) + return log_oom(); + + id = e; + } + + if (circle_len > 0) + printf("%s%s%s", on_circle, circle ? draw_special_char(DRAW_BLACK_CIRCLE) : " ", off_circle); printf("%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s", - on, id_len, e ? e : u->id, off, + on_active, id_len, id, off_active, on_loaded, load_len, u->load_state, off_loaded, on_active, active_len, u->active_state, sub_len, u->sub_state, off_active, @@ -408,12 +480,11 @@ static void output_units_list(const UnitInfo *unit_infos, unsigned c) { const char *on, *off; if (n_shown) { - 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"); - if (job_count) - printf("JOB = Pending job for the unit.\n"); - puts(""); + puts("\n" + "LOAD = Reflects whether the unit definition was properly loaded.\n" + "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n" + "SUB = The low-level unit activation state, values depend on unit type."); + puts(job_count ? "JOB = Pending job for the unit.\n" : ""); on = ansi_highlight(); off = ansi_highlight_off(); } else { @@ -430,23 +501,29 @@ static void output_units_list(const UnitInfo *unit_infos, unsigned c) { "To show all installed unit files use 'systemctl list-unit-files'.\n", on, n_shown, off); } + + return 0; } static int get_unit_list( sd_bus *bus, - sd_bus_message **_reply, - UnitInfo **_unit_infos) { + const char *machine, + char **patterns, + UnitInfo **unit_infos, + int c, + sd_bus_message **_reply) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; - _cleanup_free_ UnitInfo *unit_infos = NULL; - size_t size = 0; - int r, c = 0; + size_t size; + int r; UnitInfo u; assert(bus); + assert(unit_infos); assert(_reply); - assert(_unit_infos); + + size = sizeof(UnitInfo) * c; r = sd_bus_call_method( bus, @@ -467,11 +544,15 @@ static int get_unit_list( return bus_log_parse_error(r); while ((r = bus_parse_unit_info(reply, &u)) > 0) { + u.machine = machine; - if (!GREEDY_REALLOC(unit_infos, size, c+1)) + if (!output_show_unit(&u, patterns)) + continue; + + if (!GREEDY_REALLOC(*unit_infos, size, c+1)) return log_oom(); - unit_infos[c++] = u; + (*unit_infos)[c++] = u; } if (r < 0) return bus_log_parse_error(r); @@ -483,27 +564,108 @@ static int get_unit_list( *_reply = reply; reply = NULL; + return c; +} + +static void message_set_freep(Set **set) { + sd_bus_message *m; + + while ((m = set_steal_first(*set))) + sd_bus_message_unref(m); + + set_free(*set); +} + +static int get_unit_list_recursive( + sd_bus *bus, + char **patterns, + UnitInfo **_unit_infos, + Set **_replies, + char ***_machines) { + + _cleanup_free_ UnitInfo *unit_infos = NULL; + _cleanup_(message_set_freep) Set *replies; + sd_bus_message *reply; + int c, r; + + assert(bus); + assert(_replies); + assert(_unit_infos); + assert(_machines); + + replies = set_new(NULL, NULL); + if (!replies) + return log_oom(); + + c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply); + if (c < 0) + return c; + + r = set_put(replies, reply); + if (r < 0) { + sd_bus_message_unref(reply); + return r; + } + + if (arg_recursive) { + _cleanup_strv_free_ char **machines = NULL; + char **i; + + r = sd_get_machine_names(&machines); + if (r < 0) + return r; + + STRV_FOREACH(i, machines) { + _cleanup_bus_unref_ sd_bus *container = NULL; + int k; + + r = sd_bus_open_system_container(&container, *i); + if (r < 0) { + log_error("Failed to connect to container %s: %s", *i, strerror(-r)); + continue; + } + + k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply); + if (k < 0) + return k; + + c = k; + + r = set_put(replies, reply); + if (r < 0) { + sd_bus_message_unref(reply); + return r; + } + } + + *_machines = machines; + machines = NULL; + } else + *_machines = NULL; + *_unit_infos = unit_infos; unit_infos = NULL; + *_replies = replies; + replies = NULL; + return c; } static int list_units(sd_bus *bus, char **args) { - _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; _cleanup_free_ UnitInfo *unit_infos = NULL; + _cleanup_(message_set_freep) Set *replies = NULL; + _cleanup_strv_free_ char **machines = NULL; int r; pager_open_if_enabled(); - r = get_unit_list(bus, &reply, &unit_infos); + r = get_unit_list_recursive(bus, strv_skip_first(args), &unit_infos, &replies, &machines); if (r < 0) return r; qsort_safe(unit_infos, r, sizeof(UnitInfo), compare_unit_info); - output_units_list(unit_infos, r); - - return 0; + return output_units_list(unit_infos, r); } static int get_triggered_units( @@ -532,13 +694,12 @@ static int get_triggered_units( static int get_listening( sd_bus *bus, const char* unit_path, - char*** listening, - unsigned *c) { + char*** listening) { - _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; const char *type, *path; - int r; + int r, n = 0; r = sd_bus_get_property( bus, @@ -568,7 +729,7 @@ static int get_listening( if (r < 0) return log_oom(); - (*c)++; + n++; } if (r < 0) return bus_log_parse_error(r); @@ -577,7 +738,7 @@ static int get_listening( if (r < 0) return bus_log_parse_error(r); - return 0; + return n; } struct socket_info { @@ -595,9 +756,12 @@ struct socket_info { bool own_triggered; }; -static int socket_info_compare(struct socket_info *a, struct socket_info *b) { +static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) { int o; + assert(a); + assert(b); + o = strcmp(a->path, b->path); if (o == 0) o = strcmp(a->type, b->type); @@ -607,10 +771,10 @@ static int socket_info_compare(struct socket_info *a, struct socket_info *b) { static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) { struct socket_info *s; - unsigned pathlen = sizeof("LISTEN") - 1, - typelen = (sizeof("TYPE") - 1) * arg_show_types, - socklen = sizeof("UNIT") - 1, - servlen = sizeof("ACTIVATES") - 1; + unsigned pathlen = strlen("LISTEN"), + typelen = strlen("TYPE") * arg_show_types, + socklen = strlen("UNIT"), + servlen = strlen("ACTIVATES"); const char *on, *off; for (s = socket_infos; s < socket_infos + cs; s++) { @@ -671,27 +835,22 @@ static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) { static int list_sockets(sd_bus *bus, char **args) { _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; _cleanup_free_ UnitInfo *unit_infos = NULL; - struct socket_info *socket_infos = NULL; + _cleanup_free_ struct socket_info *socket_infos = NULL; const UnitInfo *u; struct socket_info *s; - unsigned cu = 0, cs = 0; + unsigned cs = 0; size_t size = 0; - int r; + int r = 0, n; pager_open_if_enabled(); - r = get_unit_list(bus, &reply, &unit_infos); - if (r < 0) - return r; - - cu = (unsigned) r; + n = get_unit_list(bus, NULL, strv_skip_first(args), &unit_infos, 0, &reply); + if (n < 0) + return n; - for (u = unit_infos; u < unit_infos + cu; u++) { + for (u = unit_infos; u < unit_infos + n; u++) { _cleanup_strv_free_ char **listening = NULL, **triggered = NULL; - unsigned c = 0, i; - - if (!output_show_unit(u)) - continue; + int i, c; if (!endswith(u->id, ".socket")) continue; @@ -700,9 +859,11 @@ static int list_sockets(sd_bus *bus, char **args) { if (r < 0) goto cleanup; - r = get_listening(bus, u->unit_path, &listening, &c); - if (r < 0) + c = get_listening(bus, u->unit_path, &listening); + if (c < 0) { + r = c; goto cleanup; + } if (!GREEDY_REALLOC(socket_infos, size, cs + c)) { r = log_oom(); @@ -737,7 +898,285 @@ static int list_sockets(sd_bus *bus, char **args) { if (s->own_triggered) strv_free(s->triggered); } - free(socket_infos); + + return r; +} + +static int get_next_elapse( + sd_bus *bus, + const char *path, + dual_timestamp *next) { + + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + dual_timestamp t; + int r; + + assert(bus); + assert(path); + assert(next); + + r = sd_bus_get_property_trivial( + bus, + "org.freedesktop.systemd1", + path, + "org.freedesktop.systemd1.Timer", + "NextElapseUSecMonotonic", + &error, + 't', + &t.monotonic); + if (r < 0) { + log_error("Failed to get next elapsation time: %s", bus_error_message(&error, r)); + return r; + } + + r = sd_bus_get_property_trivial( + bus, + "org.freedesktop.systemd1", + path, + "org.freedesktop.systemd1.Timer", + "NextElapseUSecRealtime", + &error, + 't', + &t.realtime); + if (r < 0) { + log_error("Failed to get next elapsation time: %s", bus_error_message(&error, r)); + return r; + } + + *next = t; + return 0; +} + +static int get_last_trigger( + sd_bus *bus, + const char *path, + usec_t *last) { + + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + int r; + + assert(bus); + assert(path); + assert(last); + + r = sd_bus_get_property_trivial( + bus, + "org.freedesktop.systemd1", + path, + "org.freedesktop.systemd1.Timer", + "LastTriggerUSec", + &error, + 't', + last); + if (r < 0) { + log_error("Failed to get last trigger time: %s", bus_error_message(&error, r)); + return r; + } + + return 0; +} + +struct timer_info { + const char* id; + usec_t next_elapse; + usec_t last_trigger; + char** triggered; +}; + +static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) { + assert(a); + assert(b); + + if (a->next_elapse < b->next_elapse) + return -1; + if (a->next_elapse > b->next_elapse) + return 1; + + return strcmp(a->id, b->id); +} + +static int output_timers_list(struct timer_info *timer_infos, unsigned n) { + struct timer_info *t; + unsigned + nextlen = strlen("NEXT"), + leftlen = strlen("LEFT"), + lastlen = strlen("LAST"), + passedlen = strlen("PASSED"), + unitlen = strlen("UNIT"), + activatelen = strlen("ACTIVATES"); + + const char *on, *off; + + assert(timer_infos || n == 0); + + for (t = timer_infos; t < timer_infos + n; t++) { + unsigned ul = 0; + char **a; + + if (t->next_elapse > 0) { + char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = ""; + + format_timestamp(tstamp, sizeof(tstamp), t->next_elapse); + nextlen = MAX(nextlen, strlen(tstamp) + 1); + + format_timestamp_relative(trel, sizeof(trel), t->next_elapse); + leftlen = MAX(leftlen, strlen(trel)); + } + + if (t->last_trigger > 0) { + char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = ""; + + format_timestamp(tstamp, sizeof(tstamp), t->last_trigger); + lastlen = MAX(lastlen, strlen(tstamp) + 1); + + format_timestamp_relative(trel, sizeof(trel), t->last_trigger); + passedlen = MAX(passedlen, strlen(trel)); + } + + unitlen = MAX(unitlen, strlen(t->id)); + + STRV_FOREACH(a, t->triggered) + ul += strlen(*a) + 2*(a != t->triggered); + + activatelen = MAX(activatelen, ul); + } + + if (n > 0) { + if (!arg_no_legend) + printf("%-*s %-*s %-*s %-*s %-*s %s\n", + nextlen, "NEXT", + leftlen, "LEFT", + lastlen, "LAST", + passedlen, "PASSED", + unitlen, "UNIT", + "ACTIVATES"); + + for (t = timer_infos; t < timer_infos + n; t++) { + char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a"; + char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a"; + char **a; + + format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse); + format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse); + + format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger); + format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger); + + printf("%-*s %-*s %-*s %-*s %-*s", + nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, t->id); + + STRV_FOREACH(a, t->triggered) + printf("%s %s", + a == t->triggered ? "" : ",", *a); + printf("\n"); + } + + on = ansi_highlight(); + off = ansi_highlight_off(); + if (!arg_no_legend) + printf("\n"); + } else { + on = ansi_highlight_red(); + off = ansi_highlight_off(); + } + + if (!arg_no_legend) { + printf("%s%u timers listed.%s\n", on, n, off); + if (!arg_all) + printf("Pass --all to see loaded but inactive timers, too.\n"); + } + + return 0; +} + +static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) { + usec_t next_elapse; + + assert(nw); + assert(next); + + if (next->monotonic != (usec_t) -1 && next->monotonic > 0) { + usec_t converted; + + if (next->monotonic > nw->monotonic) + converted = nw->realtime + (next->monotonic - nw->monotonic); + else + converted = nw->realtime - (nw->monotonic - next->monotonic); + + if (next->realtime != (usec_t) -1 && next->realtime > 0) + next_elapse = MIN(converted, next->realtime); + else + next_elapse = converted; + + } else + next_elapse = next->realtime; + + return next_elapse; +} + +static int list_timers(sd_bus *bus, char **args) { + + _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + _cleanup_free_ struct timer_info *timer_infos = NULL; + _cleanup_free_ UnitInfo *unit_infos = NULL; + struct timer_info *t; + const UnitInfo *u; + size_t size = 0; + int n, c = 0; + dual_timestamp nw; + int r = 0; + + pager_open_if_enabled(); + + n = get_unit_list(bus, NULL, strv_skip_first(args), &unit_infos, 0, &reply); + if (n < 0) + return n; + + dual_timestamp_get(&nw); + + for (u = unit_infos; u < unit_infos + n; u++) { + _cleanup_strv_free_ char **triggered = NULL; + dual_timestamp next = {}; + usec_t m, last = 0; + + if (!endswith(u->id, ".timer")) + continue; + + r = get_triggered_units(bus, u->unit_path, &triggered); + if (r < 0) + goto cleanup; + + r = get_next_elapse(bus, u->unit_path, &next); + if (r < 0) + goto cleanup; + + get_last_trigger(bus, u->unit_path, &last); + + if (!GREEDY_REALLOC(timer_infos, size, c+1)) { + r = log_oom(); + goto cleanup; + } + + m = calc_next_elapse(&nw, &next); + + timer_infos[c++] = (struct timer_info) { + .id = u->id, + .next_elapse = m, + .last_trigger = last, + .triggered = triggered, + }; + + triggered = NULL; /* avoid cleanup */ + } + + qsort_safe(timer_infos, c, sizeof(struct timer_info), + (__compar_fn_t) timer_info_compare); + + output_timers_list(timer_infos, c); + + cleanup: + for (t = timer_infos; t < timer_infos + c; t++) + strv_free(t->triggered); return r; } @@ -757,27 +1196,33 @@ static int compare_unit_file_list(const void *a, const void *b) { return r; } - return strcasecmp(path_get_file_name(u->path), path_get_file_name(v->path)); + return strcasecmp(basename(u->path), basename(v->path)); } -static bool output_show_unit_file(const UnitFileList *u) { +static bool output_show_unit_file(const UnitFileList *u, char **patterns) { const char *dot; + if (!strv_isempty(patterns)) { + char **pattern; + + STRV_FOREACH(pattern, patterns) + if (fnmatch(*pattern, basename(u->path), FNM_NOESCAPE) == 0) + return true; + return false; + } + return !arg_types || ((dot = strrchr(u->path, '.')) && strv_find(arg_types, dot+1)); } static void output_unit_file_list(const UnitFileList *units, unsigned c) { - unsigned max_id_len, id_cols, state_cols, n_shown = 0; + unsigned max_id_len, id_cols, state_cols; const UnitFileList *u; - max_id_len = sizeof("UNIT FILE")-1; - state_cols = sizeof("STATE")-1; + max_id_len = strlen("UNIT FILE"); + state_cols = strlen("STATE"); for (u = units; u < units + c; u++) { - if (!output_show_unit_file(u)) - continue; - - max_id_len = MAX(max_id_len, strlen(path_get_file_name(u->path))); + max_id_len = MAX(max_id_len, strlen(basename(u->path))); state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state))); } @@ -801,11 +1246,6 @@ static void output_unit_file_list(const UnitFileList *units, unsigned c) { 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 || @@ -818,7 +1258,7 @@ static void output_unit_file_list(const UnitFileList *units, unsigned c) { } else on = off = ""; - id = path_get_file_name(u->path); + id = basename(u->path); e = arg_full ? NULL : ellipsize(id, id_cols, 33); @@ -828,13 +1268,15 @@ static void output_unit_file_list(const UnitFileList *units, unsigned c) { } if (!arg_no_legend) - printf("\n%u unit files listed.\n", n_shown); + printf("\n%u unit files listed.\n", c); } static int list_unit_files(sd_bus *bus, char **args) { _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_free_ UnitFileList *units = NULL; + UnitFileList *unit; + size_t size = 0; unsigned c = 0; const char *state; char *path; @@ -867,15 +1309,16 @@ static int list_unit_files(sd_bus *bus, char **args) { } HASHMAP_FOREACH(u, h, i) { - memcpy(units + c++, u, sizeof(UnitFileList)); + if (!output_show_unit_file(u, strv_skip_first(args))) + continue; + + units[c++] = *u; free(u); } - assert(c == n_units); + assert(c <= n_units); hashmap_free(h); } else { - size_t size = 0; - r = sd_bus_call_method( bus, "org.freedesktop.systemd1", @@ -899,10 +1342,14 @@ static int list_unit_files(sd_bus *bus, char **args) { if (!GREEDY_REALLOC(units, size, c + 1)) return log_oom(); - units[c++] = (struct UnitFileList) { + units[c] = (struct UnitFileList) { path, unit_file_state_from_string(state) }; + + if (output_show_unit_file(&units[c], strv_skip_first(args))) + c ++; + } if (r < 0) return bus_log_parse_error(r); @@ -917,6 +1364,10 @@ static int list_unit_files(sd_bus *bus, char **args) { output_unit_file_list(units, c); } + if (avoid_bus()) + for (unit = units; unit < units + c; unit++) + free(unit->path); + return 0; } @@ -930,7 +1381,7 @@ static int list_dependencies_print(const char *name, int level, unsigned int bra for (i = level - 1; i >= 0; i--) { len += 2; - if(len > max_len - 3 && !arg_full) { + if (len > max_len - 3 && !arg_full) { printf("%s...\n",max_len % 2 ? "" : " "); return 0; } @@ -938,7 +1389,7 @@ static int list_dependencies_print(const char *name, int level, unsigned int bra } len += 2; - if(len > max_len - 3 && !arg_full) { + if (len > max_len - 3 && !arg_full) { printf("%s...\n",max_len % 2 ? "" : " "); return 0; } @@ -952,7 +1403,7 @@ static int list_dependencies_print(const char *name, int level, unsigned int bra } n = ellipsize(name, max_len-len, 100); - if(!n) + if (!n) return log_oom(); printf("%s\n", n); @@ -961,7 +1412,7 @@ static int list_dependencies_print(const char *name, int level, unsigned int bra static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) { - static const char *dependencies[] = { + static const char *dependencies[_DEPENDENCY_MAX] = { [DEPENDENCY_FORWARD] = "Requires\0" "RequiresOverridable\0" "Requisite\0" @@ -984,7 +1435,7 @@ static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, cha assert(bus); assert(name); assert(deps); - assert(arg_dependency < ELEMENTSOF(dependencies)); + assert_cc(ELEMENTSOF(dependencies) == _DEPENDENCY_MAX); path = unit_dbus_path_from_name(name); if (!path) @@ -1070,7 +1521,7 @@ static int list_dependencies_one( char ***units, unsigned int branches) { - _cleanup_strv_free_ char **deps = NULL, **u; + _cleanup_strv_free_ char **deps = NULL; char **c; int r = 0; @@ -1078,8 +1529,8 @@ static int list_dependencies_one( assert(name); assert(units); - u = strv_append(*units, name); - if (!u) + r = strv_extend(units, name); + if (r < 0) return log_oom(); r = list_dependencies_get_dependencies(bus, name, &deps); @@ -1089,7 +1540,9 @@ static int list_dependencies_one( qsort_safe(deps, strv_length(deps), sizeof (char*), list_dependencies_compare); STRV_FOREACH(c, deps) { - if (strv_contains(u, *c)) { + int state; + + if (strv_contains(*units, *c)) { if (!arg_plain) { r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1); if (r < 0) @@ -1098,22 +1551,25 @@ static int list_dependencies_one( continue; } + state = check_one_unit(bus, *c, "activating\0active\0reloading\0", true); + if (state > 0) + printf("%s%s%s", ansi_highlight_green(), draw_special_char(DRAW_BLACK_CIRCLE), ansi_highlight_off()); + else + printf("%s%s%s", ansi_highlight_red(), draw_special_char(DRAW_BLACK_CIRCLE), ansi_highlight_off()); + r = list_dependencies_print(*c, level, branches, c[1] == NULL); if (r < 0) return r; if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) { - r = list_dependencies_one(bus, *c, level + 1, &u, (branches << 1) | (c[1] == NULL ? 0 : 1)); - if(r < 0) + r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1)); + if (r < 0) return r; } } - if (arg_plain) { - strv_free(*units); - *units = u; - u = NULL; - } + if (!arg_plain) + strv_remove(*units, name); return 0; } @@ -1126,7 +1582,7 @@ static int list_dependencies(sd_bus *bus, char **args) { assert(bus); if (args[1]) { - unit = unit_name_mangle(args[1]); + unit = unit_name_mangle(args[1], MANGLE_NOGLOB); if (!unit) return log_oom(); u = unit; @@ -1140,6 +1596,242 @@ static int list_dependencies(sd_bus *bus, char **args) { return list_dependencies_one(bus, u, 0, &units, 0); } +struct machine_info { + bool is_host; + char *name; + char *state; + char *control_group; + uint32_t n_failed_units; + uint32_t n_jobs; + usec_t timestamp; +}; + +static const struct bus_properties_map machine_info_property_map[] = { + { "SystemState", "s", NULL, offsetof(struct machine_info, state) }, + { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) }, + { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) }, + { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) }, + { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) }, + {} +}; + +static void free_machines_list(struct machine_info *machine_infos, int n) { + int i; + + if (!machine_infos) + return; + + for (i = 0; i < n; i++) { + free(machine_infos[i].name); + free(machine_infos[i].state); + free(machine_infos[i].control_group); + } + + free(machine_infos); +} + +static int compare_machine_info(const void *a, const void *b) { + const struct machine_info *u = a, *v = b; + + if (u->is_host != v->is_host) + return u->is_host > v->is_host ? -1 : 1; + + return strcasecmp(u->name, v->name); +} + +static int get_machine_properties(sd_bus *bus, struct machine_info *mi) { + _cleanup_bus_unref_ sd_bus *container = NULL; + int r; + + assert(mi); + + if (!bus) { + r = sd_bus_open_system_container(&container, mi->name); + if (r < 0) + return r; + + bus = container; + } + + r = bus_map_all_properties(bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", machine_info_property_map, mi); + if (r < 0) + return r; + + return 0; +} + +static bool output_show_machine(const char *name, char **patterns) { + char **i; + + assert(name); + + if (strv_isempty(patterns)) + return true; + + STRV_FOREACH(i, patterns) + if (fnmatch(*i, name, FNM_NOESCAPE) == 0) + return true; + + return false; +} + +static int get_machine_list( + sd_bus *bus, + struct machine_info **_machine_infos, + char **patterns) { + + struct machine_info *machine_infos = NULL; + _cleanup_strv_free_ char **m = NULL; + _cleanup_free_ char *hn = NULL; + size_t sz = 0; + char **i; + int c = 0; + + hn = gethostname_malloc(); + if (!hn) + return log_oom(); + + if (output_show_machine(hn, patterns)) { + if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) + return log_oom(); + + machine_infos[c].is_host = true; + machine_infos[c].name = hn; + hn = NULL; + + get_machine_properties(bus, &machine_infos[c]); + c++; + } + + sd_get_machine_names(&m); + STRV_FOREACH(i, m) { + _cleanup_free_ char *class = NULL; + + if (!output_show_machine(*i, patterns)) + continue; + + sd_machine_get_class(*i, &class); + if (!streq_ptr(class, "container")) + continue; + + if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) { + free_machines_list(machine_infos, c); + return log_oom(); + } + + machine_infos[c].is_host = false; + machine_infos[c].name = strdup(*i); + if (!machine_infos[c].name) { + free_machines_list(machine_infos, c); + return log_oom(); + } + + get_machine_properties(NULL, &machine_infos[c]); + c++; + } + + *_machine_infos = machine_infos; + return c; +} + +static void output_machines_list(struct machine_info *machine_infos, unsigned n) { + struct machine_info *m; + unsigned + circle_len = 0, + namelen = sizeof("NAME") - 1, + statelen = sizeof("STATE") - 1, + failedlen = sizeof("FAILED") - 1, + jobslen = sizeof("JOBS") - 1; + + assert(machine_infos || n == 0); + + for (m = machine_infos; m < machine_infos + n; m++) { + namelen = MAX(namelen, strlen(m->name) + (m->is_host ? sizeof(" (host)") - 1 : 0)); + statelen = MAX(statelen, m->state ? strlen(m->state) : 0); + failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units)); + jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs)); + + if (!arg_no_legend && !streq_ptr(m->state, "running")) + circle_len = 2; + } + + if (!arg_no_legend) { + if (circle_len > 0) + fputs(" ", stdout); + + printf("%-*s %-*s %-*s %-*s\n", + namelen, "NAME", + statelen, "STATE", + failedlen, "FAILED", + jobslen, "JOBS"); + } + + for (m = machine_infos; m < machine_infos + n; m++) { + const char *on_state = "", *off_state = ""; + const char *on_failed = "", *off_failed = ""; + bool circle = false; + + if (streq_ptr(m->state, "degraded")) { + on_state = ansi_highlight_red(); + off_state = ansi_highlight_off(); + circle = true; + } else if (!streq_ptr(m->state, "running")) { + on_state = ansi_highlight_yellow(); + off_state = ansi_highlight_off(); + circle = true; + } + + if (m->n_failed_units > 0) { + on_failed = ansi_highlight_red(); + off_failed = ansi_highlight_off(); + } else + on_failed = off_failed = ""; + + if (circle_len > 0) + printf("%s%s%s", on_state, circle ? draw_special_char(DRAW_BLACK_CIRCLE) : " ", off_state); + + if (m->is_host) + printf("%-*s (host) %s%-*s%s %s%*u%s %*u\n", + (int) (namelen - (sizeof(" (host)")-1)), strna(m->name), + on_state, statelen, strna(m->state), off_state, + on_failed, failedlen, m->n_failed_units, off_failed, + jobslen, m->n_jobs); + else + printf("%-*s %s%-*s%s %s%*u%s %*u\n", + namelen, strna(m->name), + on_state, statelen, strna(m->state), off_state, + on_failed, failedlen, m->n_failed_units, off_failed, + jobslen, m->n_jobs); + } + + if (!arg_no_legend) + printf("\n%u machines listed.\n", n); +} + +static int list_machines(sd_bus *bus, char **args) { + struct machine_info *machine_infos = NULL; + int r; + + assert(bus); + + if (geteuid() != 0) { + log_error("Must be root."); + return -EPERM; + } + + pager_open_if_enabled(); + + r = get_machine_list(bus, &machine_infos, strv_skip_first(args)); + if (r < 0) + return r; + + qsort_safe(machine_infos, r, sizeof(struct machine_info), compare_machine_info); + output_machines_list(machine_infos, r); + free_machines_list(machine_infos, r); + + return 0; +} + static int get_default(sd_bus *bus, char **args) { _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; @@ -1148,37 +1840,131 @@ static int get_default(sd_bus *bus, char **args) { int r; if (!bus || avoid_bus()) { - r = unit_file_get_default(arg_scope, arg_root, &_path); + r = unit_file_get_default(arg_scope, arg_root, &_path); + if (r < 0) { + log_error("Failed to get default target: %s", strerror(-r)); + return r; + } + path = _path; + + } else { + r = sd_bus_call_method( + bus, + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "GetDefaultTarget", + &error, + &reply, + NULL); + if (r < 0) { + log_error("Failed to get default target: %s", bus_error_message(&error, -r)); + return r; + } + + r = sd_bus_message_read(reply, "s", &path); + if (r < 0) + return bus_log_parse_error(r); + } + + if (path) + printf("%s\n", path); + + return 0; +} + +static void dump_unit_file_changes(const UnitFileChange *changes, unsigned n_changes) { + unsigned i; + + assert(changes || n_changes == 0); + + for (i = 0; i < n_changes; i++) { + if (changes[i].type == UNIT_FILE_SYMLINK) + log_info("ln -s '%s' '%s'", changes[i].source, changes[i].path); + else + log_info("rm '%s'", changes[i].path); + } +} + +static int deserialize_and_dump_unit_file_changes(sd_bus_message *m) { + const char *type, *path, *source; + int r; + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sss)"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = sd_bus_message_read(m, "(sss)", &type, &path, &source)) > 0) { + if (!arg_quiet) { + if (streq(type, "symlink")) + log_info("ln -s '%s' '%s'", source, path); + else + log_info("rm '%s'", path); + } + } + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + return 0; +} + +static int set_default(sd_bus *bus, char **args) { + _cleanup_free_ char *unit = NULL; + UnitFileChange *changes = NULL; + unsigned n_changes = 0; + int r; + + unit = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".target"); + if (!unit) + return log_oom(); + + if (!bus || avoid_bus()) { + r = unit_file_set_default(arg_scope, arg_root, unit, arg_force, &changes, &n_changes); if (r < 0) { - log_error("Failed to get default target: %s", strerror(-r)); + log_error("Failed to set default target: %s", strerror(-r)); return r; } - path = _path; + if (!arg_quiet) + dump_unit_file_changes(changes, n_changes); + + r = 0; } else { + _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + r = sd_bus_call_method( bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", - "GetDefaultTarget", + "SetDefaultTarget", &error, &reply, - NULL); + "sb", unit, arg_force); if (r < 0) { - log_error("Failed to get default target: %s", bus_error_message(&error, -r)); + log_error("Failed to set default target: %s", bus_error_message(&error, -r)); return r; } - r = sd_bus_message_read(reply, "s", &path); + r = deserialize_and_dump_unit_file_changes(reply); if (r < 0) - return bus_log_parse_error(r); + return r; + + /* Try to reload if enabled */ + if (!arg_no_reload) + r = daemon_reload(bus, args); + else + r = 0; } - if (path) - printf("%s\n", path); + unit_file_changes_free(changes, n_changes); - return 0; + return r; } struct job_info { @@ -1186,7 +1972,7 @@ struct job_info { const char *name, *type, *state; }; -static void output_jobs_list(const struct job_info* jobs, unsigned n) { +static void output_jobs_list(const struct job_info* jobs, unsigned n, bool skipped) { unsigned id_len, unit_len, type_len, state_len; const struct job_info *j; const char *on, *off; @@ -1198,16 +1984,16 @@ static void output_jobs_list(const struct job_info* jobs, unsigned n) { on = ansi_highlight_green(); off = ansi_highlight_off(); - printf("%sNo jobs running.%s\n", on, off); + printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off); return; } pager_open_if_enabled(); - id_len = sizeof("JOB")-1; - unit_len = sizeof("UNIT")-1; - type_len = sizeof("TYPE")-1; - state_len = sizeof("STATE")-1; + id_len = strlen("JOB"); + unit_len = strlen("UNIT"); + type_len = strlen("TYPE"); + state_len = strlen("STATE"); for (j = jobs; j < jobs + n; j++) { uint32_t id = j->id; @@ -1224,11 +2010,12 @@ static void output_jobs_list(const struct job_info* jobs, unsigned n) { shorten = true; } - printf("%*s %-*s %-*s %-*s\n", - id_len, "JOB", - unit_len, "UNIT", - type_len, "TYPE", - state_len, "STATE"); + if (!arg_no_legend) + printf("%*s %-*s %-*s %-*s\n", + id_len, "JOB", + unit_len, "UNIT", + type_len, "TYPE", + state_len, "STATE"); for (j = jobs; j < jobs + n; j++) { _cleanup_free_ char *e = NULL; @@ -1247,10 +2034,26 @@ static void output_jobs_list(const struct job_info* jobs, unsigned n) { on, state_len, j->state, off); } - on = ansi_highlight(); - off = ansi_highlight_off(); + if (!arg_no_legend) { + on = ansi_highlight(); + off = ansi_highlight_off(); + + printf("\n%s%u jobs listed%s.\n", on, n, off); + } +} + +static bool output_show_job(struct job_info *job, char **patterns) { + char **pattern; + + assert(job); + + if (strv_isempty(patterns)) + return true; - printf("\n%s%u jobs listed%s.\n", on, n, off); + STRV_FOREACH(pattern, patterns) + if (fnmatch(*pattern, job->name, FNM_NOESCAPE) == 0) + return true; + return false; } static int list_jobs(sd_bus *bus, char **args) { @@ -1262,6 +2065,7 @@ static int list_jobs(sd_bus *bus, char **args) { unsigned c = 0; uint32_t id; int r; + bool skipped = false; r = sd_bus_call_method( bus, @@ -1282,16 +2086,17 @@ static int list_jobs(sd_bus *bus, char **args) { return bus_log_parse_error(r); while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, &job_path, &unit_path)) > 0) { + struct job_info job = { id, name, type, state }; + + if (!output_show_job(&job, strv_skip_first(args))) { + skipped = true; + continue; + } if (!GREEDY_REALLOC(jobs, size, c + 1)) return log_oom(); - jobs[c++] = (struct job_info) { - id, - name, - type, - state - }; + jobs[c++] = job; } if (r < 0) return bus_log_parse_error(r); @@ -1300,7 +2105,7 @@ static int list_jobs(sd_bus *bus, char **args) { if (r < 0) return bus_log_parse_error(r); - output_jobs_list(jobs, c); + output_jobs_list(jobs, c, skipped); return r; } @@ -1343,17 +2148,12 @@ static int cancel_job(sd_bus *bus, char **args) { static int need_daemon_reload(sd_bus *bus, const char *unit) { _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; - _cleanup_free_ char *n = NULL; const char *path; int b, r; /* We ignore all errors here, since this is used to show a * warning only */ - n = unit_name_mangle(unit); - if (!n) - return -ENOMEM; - /* We don't use unit_dbus_path_from_name() directly since we * don't want to load the unit if it isn't loaded. */ @@ -1365,7 +2165,7 @@ static int need_daemon_reload(sd_bus *bus, const char *unit) { "GetUnit", NULL, &reply, - "s", n); + "s", unit); if (r < 0) return r; @@ -1394,7 +2194,7 @@ typedef struct WaitData { char *result; } WaitData; -static int wait_filter(sd_bus *bus, sd_bus_message *m, void *data) { +static int wait_filter(sd_bus *bus, sd_bus_message *m, void *data, sd_bus_error *error) { WaitData *d = data; assert(bus); @@ -1447,7 +2247,7 @@ static int wait_filter(sd_bus *bus, sd_bus_message *m, void *data) { } #endif - log_error("Failed to parse message."); + bus_log_parse_error(r); } return 0; @@ -1475,59 +2275,89 @@ static int enable_wait_for_jobs(sd_bus *bus) { return 0; } +static int bus_process_wait(sd_bus *bus) { + int r; + + for (;;) { + r = sd_bus_process(bus, NULL); + if (r < 0) + return r; + if (r > 0) + return 0; + r = sd_bus_wait(bus, (uint64_t) -1); + if (r < 0) + return r; + } +} + +static int check_wait_response(WaitData *d) { + int r = 0; + + assert(d->result); + + if (!arg_quiet) { + if (streq(d->result, "timeout")) + log_error("Job for %s timed out.", strna(d->name)); + else if (streq(d->result, "canceled")) + log_error("Job for %s canceled.", strna(d->name)); + else if (streq(d->result, "dependency")) + log_error("A dependency job for %s failed. See 'journalctl -xn' for details.", strna(d->name)); + else if (!streq(d->result, "done") && !streq(d->result, "skipped")) + log_error("Job for %s failed. See 'systemctl status %s' and 'journalctl -xn' for details.", strna(d->name), strna(d->name)); + } + + if (streq(d->result, "timeout")) + r = -ETIME; + else if (streq(d->result, "canceled")) + r = -ECANCELED; + else if (streq(d->result, "dependency")) + r = -EIO; + else if (!streq(d->result, "done") && !streq(d->result, "skipped")) + r = -EIO; + + return r; +} + static int wait_for_jobs(sd_bus *bus, Set *s) { WaitData d = { .set = s }; - int r; + int r = 0, q; assert(bus); assert(s); - r = sd_bus_add_filter(bus, wait_filter, &d); - if (r < 0) + q = sd_bus_add_filter(bus, wait_filter, &d); + if (q < 0) return log_oom(); while (!set_isempty(s)) { - for(;;) { - r = sd_bus_process(bus, NULL); - if (r < 0) - return r; - if (r > 0) - break; - r = sd_bus_wait(bus, (uint64_t) -1); - if (r < 0) - return r; + q = bus_process_wait(bus); + if (q < 0) { + log_error("Failed to wait for response: %s", strerror(-r)); + return q; } - if (!d.result) - goto free_name; - - if (!arg_quiet) { - if (streq(d.result, "timeout")) - log_error("Job for %s timed out.", strna(d.name)); - else if (streq(d.result, "canceled")) - log_error("Job for %s canceled.", strna(d.name)); - else if (streq(d.result, "dependency")) - log_error("A dependency job for %s failed. See 'journalctl -xn' for details.", strna(d.name)); - else if (!streq(d.result, "done") && !streq(d.result, "skipped")) - log_error("Job for %s failed. See 'systemctl status %s' and 'journalctl -xn' for details.", strna(d.name), strna(d.name)); + if (d.result) { + q = check_wait_response(&d); + /* Return the first error as it is most likely to be + * meaningful. */ + if (q < 0 && r == 0) + r = q; + log_debug("Got result %s/%s for job %s", + strna(d.result), strerror(-q), strna(d.name)); } - 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; + free(d.name); + d.name = NULL; free(d.result); d.result = NULL; - - free_name: - free(d.name); - d.name = NULL; } - return sd_bus_remove_filter(bus, wait_filter, &d); + q = sd_bus_remove_filter(bus, wait_filter, &d); + if (q < 0 && r == 0) + r = q; + + return r; } static int check_one_unit(sd_bus *bus, const char *name, const char *good_states, bool quiet) { @@ -1538,7 +2368,7 @@ static int check_one_unit(sd_bus *bus, const char *name, const char *good_states assert(name); - n = unit_name_mangle(name); + n = unit_name_mangle(name, MANGLE_NOGLOB); if (!n) return log_oom(); @@ -1595,7 +2425,7 @@ static int check_triggering_units( char **i; int r; - n = unit_name_mangle(name); + n = unit_name_mangle(name, MANGLE_NOGLOB); if (!n) return log_oom(); @@ -1653,6 +2483,26 @@ static int check_triggering_units( return 0; } +static const char *verb_to_method(const char *verb) { + uint i; + + for (i = 0; i < ELEMENTSOF(unit_actions); i++) + if (streq_ptr(unit_actions[i].verb, verb)) + return unit_actions[i].method; + + return "StartUnit"; +} + +static const char *method_to_verb(const char *method) { + uint i; + + for (i = 0; i < ELEMENTSOF(unit_actions); i++) + if (streq_ptr(unit_actions[i].method, method)) + return unit_actions[i].verb; + + return "n/a"; +} + static int start_unit_one( sd_bus *bus, const char *method, @@ -1662,7 +2512,6 @@ static int start_unit_one( Set *s) { _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; - _cleanup_free_ char *n; const char *path; int r; @@ -1671,10 +2520,7 @@ static int start_unit_one( assert(mode); assert(error); - n = unit_name_mangle(name); - if (!n) - return log_oom(); - + log_debug("Calling manager for %s on %s, %s", method, name, mode); r = sd_bus_call_method( bus, "org.freedesktop.systemd1", @@ -1683,14 +2529,18 @@ static int start_unit_one( method, error, &reply, - "ss", n, mode); + "ss", name, mode); if (r < 0) { + const char *verb; + if (r == -ENOENT && arg_action != ACTION_SYSTEMCTL) /* There's always a fallback possible for * legacy actions. */ return -EADDRNOTAVAIL; - log_error("Failed to start %s: %s", name, bus_error_message(error, r)); + verb = method_to_verb(method); + + log_error("Failed to %s %s: %s", verb, name, bus_error_message(error, r)); return r; } @@ -1698,9 +2548,9 @@ static int start_unit_one( if (r < 0) return bus_log_parse_error(r); - if (need_daemon_reload(bus, n) > 0) + if (need_daemon_reload(bus, name) > 0) log_warning("Warning: Unit file of %s changed on disk, 'systemctl%s daemon-reload' recommended.", - n, arg_scope == UNIT_FILE_SYSTEM ? "" : " --user"); + name, arg_scope == UNIT_FILE_SYSTEM ? "" : " --user"); if (s) { char *p; @@ -1709,6 +2559,7 @@ static int start_unit_one( if (!p) return log_oom(); + log_debug("Adding %s to the set", p); r = set_consume(s, p); if (r < 0) return log_oom(); @@ -1717,6 +2568,51 @@ static int start_unit_one( return 0; } +static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) { + + _cleanup_strv_free_ char **mangled = NULL, **globs = NULL; + char **name; + int r = 0, i; + + STRV_FOREACH(name, names) { + char *t; + + if (suffix) + t = unit_name_mangle_with_suffix(*name, MANGLE_GLOB, suffix); + else + t = unit_name_mangle(*name, MANGLE_GLOB); + if (!t) + return log_oom(); + + if (string_is_glob(t)) + r = strv_consume(&globs, t); + else + r = strv_consume(&mangled, t); + if (r < 0) + return log_oom(); + } + + /* Query the manager only if any of the names are a glob, since + * this is fairly expensive */ + if (!strv_isempty(globs)) { + _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + _cleanup_free_ UnitInfo *unit_infos = NULL; + + r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply); + if (r < 0) + return r; + + for (i = 0; i < r; i++) + if (strv_extend(&mangled, unit_infos[i].id) < 0) + return log_oom(); + } + + *ret = mangled; + mangled = NULL; /* do not free */ + + return 0; +} + static const struct { const char *target; const char *verb; @@ -1750,11 +2646,11 @@ static enum action verb_to_action(const char *verb) { } static int start_unit(sd_bus *bus, char **args) { - _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_set_free_free_ Set *s = NULL; + _cleanup_strv_free_ char **names = NULL; const char *method, *mode, *one_name; char **name; - int r; + int r = 0; assert(bus); @@ -1762,21 +2658,7 @@ static int start_unit(sd_bus *bus, char **args) { if (arg_action == ACTION_SYSTEMCTL) { enum action action; - method = - streq(args[0], "stop") || - streq(args[0], "condstop") ? "StopUnit" : - streq(args[0], "reload") ? "ReloadUnit" : - streq(args[0], "restart") ? "RestartUnit" : - - streq(args[0], "try-restart") || - streq(args[0], "condrestart") ? "TryRestartUnit" : - - streq(args[0], "reload-or-restart") ? "ReloadOrRestartUnit" : - - streq(args[0], "reload-or-try-restart") || - streq(args[0], "condreload") || - streq(args[0], "force-reload") ? "ReloadOrTryRestartUnit" : - "StartUnit"; + method = verb_to_method(args[0]); action = verb_to_action(args[0]); mode = streq(args[0], "isolate") ? "isolate" : @@ -1793,6 +2675,14 @@ static int start_unit(sd_bus *bus, char **args) { one_name = action_table[arg_action].target; } + if (one_name) + names = strv_new(one_name, NULL); + else { + r = expand_names(bus, args + 1, NULL, &names); + if (r < 0) + log_error("Failed to expand names: %s", strerror(-r)); + } + if (!arg_no_block) { r = enable_wait_for_jobs(bus); if (r < 0) { @@ -1805,22 +2695,13 @@ static int start_unit(sd_bus *bus, char **args) { return log_oom(); } - if (one_name) { - r = start_unit_one(bus, method, one_name, mode, &error, s); - if (r < 0) - r = translate_bus_error_to_exit_status(r, &error); - } else { - r = 0; - - STRV_FOREACH(name, args+1) { - int q; + STRV_FOREACH(name, names) { + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + int q; - q = start_unit_one(bus, method, *name, mode, &error, s); - if (q < 0) { - r = translate_bus_error_to_exit_status(r, &error); - sd_bus_error_free(&error); - } - } + q = start_unit_one(bus, method, *name, mode, &error, s); + if (r >= 0 && q < 0) + r = translate_bus_error_to_exit_status(q, &error); } if (!arg_no_block) { @@ -1832,13 +2713,9 @@ static int start_unit(sd_bus *bus, char **args) { /* When stopping units, warn if they can still be triggered by * another active unit (socket, path, timer) */ - if (!arg_quiet && streq(method, "StopUnit")) { - if (one_name) - check_triggering_units(bus, one_name); - else - STRV_FOREACH(name, args+1) - check_triggering_units(bus, *name); - } + if (!arg_quiet && streq(method, "StopUnit")) + STRV_FOREACH(name, names) + check_triggering_units(bus, *name); } return r; @@ -1903,7 +2780,6 @@ static int reboot_with_logind(sd_bus *bus, enum action a) { static int check_inhibitors(sd_bus *bus, enum action a) { #ifdef HAVE_LOGIND - _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; _cleanup_strv_free_ char **sessions = NULL; const char *what, *who, *why, *mode; @@ -2062,50 +2938,47 @@ static int start_special(sd_bus *bus, char **args) { return r; } -static int check_unit_active(sd_bus *bus, char **args) { +static int check_unit_generic(sd_bus *bus, int code, const char *good_states, char **args) { + _cleanup_strv_free_ char **names = NULL; char **name; - int r = 3; /* According to LSB: "program is not running" */ + int r; assert(bus); assert(args); - STRV_FOREACH(name, args+1) { + r = expand_names(bus, args, NULL, &names); + if (r < 0) { + log_error("Failed to expand names: %s", strerror(-r)); + return r; + } + + STRV_FOREACH(name, names) { int state; - state = check_one_unit(bus, *name, "active\0reloading\0", arg_quiet); + state = check_one_unit(bus, *name, good_states, arg_quiet); if (state < 0) return state; - if (state > 0) - r = 0; + if (state == 0) + r = code; } return r; } -static int check_unit_failed(sd_bus *bus, char **args) { - char **name; - int r = 1; - - assert(bus); - assert(args); - - STRV_FOREACH(name, args+1) { - int state; - - state = check_one_unit(bus, *name, "failed\0", arg_quiet); - if (state < 0) - return state; - if (state > 0) - r = 0; - } +static int check_unit_active(sd_bus *bus, char **args) { + /* According to LSB: 3, "program is not running" */ + return check_unit_generic(bus, 3, "active\0reloading\0", args + 1); +} - return r; +static int check_unit_failed(sd_bus *bus, char **args) { + return check_unit_generic(bus, 1, "failed\0", args + 1); } static int kill_unit(sd_bus *bus, char **args) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_strv_free_ char **names = NULL; char **name; - int r = 0; + int r, q; assert(bus); assert(args); @@ -2113,14 +2986,12 @@ static int kill_unit(sd_bus *bus, char **args) { if (!arg_kill_who) arg_kill_who = "all"; - STRV_FOREACH(name, args+1) { - _cleanup_free_ char *n = NULL; - - n = unit_name_mangle(*name); - if (!n) - return log_oom(); + r = expand_names(bus, args + 1, NULL, &names); + if (r < 0) + log_error("Failed to expand names: %s", strerror(-r)); - r = sd_bus_call_method( + STRV_FOREACH(name, names) { + q = sd_bus_call_method( bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", @@ -2128,14 +2999,16 @@ static int kill_unit(sd_bus *bus, char **args) { "KillUnit", &error, NULL, - "ssi", n, arg_kill_who, arg_signal); - if (r < 0) { - log_error("Failed to kill unit %s: %s", n, bus_error_message(&error, r)); - return r; + "ssi", *names, arg_kill_who, arg_signal); + if (q < 0) { + log_error("Failed to kill unit %s: %s", + *names, bus_error_message(&error, r)); + if (r == 0) + r = q; } } - return 0; + return r; } typedef struct ExecStatusInfo { @@ -2289,7 +3162,7 @@ static void print_status_info( bool *ellipsized) { ExecStatusInfo *p; - const char *on, *off, *ss; + const char *active_on, *active_off, *on, *off, *ss; usec_t timestamp; char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], *s1; char since2[FORMAT_TIMESTAMP_MAX], *s2; @@ -2307,7 +3180,16 @@ static void print_status_info( /* This shows pretty information about a unit. See * print_property() for a low-level property printer */ - printf("%s", strna(i->id)); + if (streq_ptr(i->active_state, "failed")) { + active_on = ansi_highlight_red(); + active_off = ansi_highlight_off(); + } else if (streq_ptr(i->active_state, "active") || streq_ptr(i->active_state, "reloading")) { + active_on = ansi_highlight_green(); + active_off = ansi_highlight_off(); + } else + active_on = active_off = ""; + + printf("%s%s%s%s", active_on, draw_special_char(DRAW_BLACK_CIRCLE), active_off, strna(i->id)); if (i->description && !streq_ptr(i->id, i->description)) printf(" - %s", i->description); @@ -2361,27 +3243,17 @@ static void print_status_info( last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir)); - printf("%s%s", path_get_file_name(*dropin), last ? "\n" : ", "); + printf("%s%s", basename(*dropin), last ? "\n" : ", "); } } ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state; - - if (streq_ptr(i->active_state, "failed")) { - on = ansi_highlight_red(); - off = ansi_highlight_off(); - } else if (streq_ptr(i->active_state, "active") || streq_ptr(i->active_state, "reloading")) { - on = ansi_highlight_green(); - off = ansi_highlight_off(); - } else - on = off = ""; - if (ss) printf(" Active: %s%s (%s)%s", - on, strna(i->active_state), ss, off); + active_on, strna(i->active_state), ss, active_off); else printf(" Active: %s%s%s", - on, strna(i->active_state), off); + active_on, strna(i->active_state), active_off); if (!isempty(i->result) && !streq(i->result, "success")) printf(" (Result: %s)", i->result); @@ -2525,7 +3397,8 @@ static void print_status_info( printf(" Status: \"%s\"\n", i->status_text); if (i->control_group && - (i->main_pid > 0 || i->control_pid > 0 || cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, i->control_group, false) == 0)) { + (i->main_pid > 0 || i->control_pid > 0 || + ((arg_transport != BUS_TRANSPORT_LOCAL && arg_transport != BUS_TRANSPORT_CONTAINER) || cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, i->control_group, false) == 0))) { unsigned c; printf(" CGroup: %s\n", i->control_group); @@ -2533,7 +3406,7 @@ static void print_status_info( if (arg_transport == BUS_TRANSPORT_LOCAL || arg_transport == BUS_TRANSPORT_CONTAINER) { unsigned k = 0; pid_t extra[2]; - char prefix[] = " "; + static const char prefix[] = " "; c = columns(); if (c > sizeof(prefix) - 1) @@ -2547,13 +3420,11 @@ static void print_status_info( if (i->control_pid > 0) extra[k++] = i->control_pid; - show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, - c, false, extra, k, flags); + show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, false, extra, k, flags); } } if (i->id && arg_transport == BUS_TRANSPORT_LOCAL) { - printf("\n"); show_journal_by_unit(stdout, i->id, arg_output, @@ -2561,7 +3432,7 @@ static void print_status_info( i->inactive_exit_timestamp_monotonic, arg_lines, getuid(), - flags, + flags | OUTPUT_BEGIN_NEWLINE, arg_scope == UNIT_FILE_SYSTEM, ellipsized); } @@ -2917,8 +3788,11 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte /* This is a low-level property printer, see * print_status_info() for the nicer output */ - if (arg_properties && !strv_find(arg_properties, name)) - return 0; + if (arg_properties && !strv_find(arg_properties, name)) { + /* skip what we didn't read */ + r = sd_bus_message_skip(m, contents); + return r; + } switch (contents[0]) { @@ -2960,6 +3834,48 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte if (arg_all || !isempty(a) || !isempty(b)) printf("%s=%s \"%s\"\n", name, strempty(a), strempty(b)); + return 0; + } else if (streq_ptr(name, "SystemCallFilter")) { + _cleanup_strv_free_ char **l = NULL; + int whitelist; + + r = sd_bus_message_enter_container(m, 'r', "bas"); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_read(m, "b", &whitelist); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_read_strv(m, &l); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + if (arg_all || whitelist || !strv_isempty(l)) { + bool first = true; + char **i; + + fputs(name, stdout); + fputc('=', stdout); + + if (!whitelist) + fputc('~', stdout); + + STRV_FOREACH(i, l) { + if (first) + first = false; + else + fputc(' ', stdout); + + fputs(*i, stdout); + } + fputc('\n', stdout); + } + return 0; } @@ -3178,6 +4094,8 @@ static int show_one( assert(path); assert(new_line); + log_debug("Showing one %s", path); + r = sd_bus_call_method( bus, "org.freedesktop.systemd1", @@ -3256,8 +4174,8 @@ static int show_one( streq(verb, "status")) { /* According to LSB: "program not running" */ /* 0: program is running or service is OK - * 1: program is dead and /var/run pid file exists - * 2: program is dead and /var/lock lock file exists + * 1: program is dead and /run PID file exists + * 2: program is dead and /run/lock lock file exists * 3: program is not running * 4: program or service status is unknown */ @@ -3275,16 +4193,14 @@ static int show_one( return r; } -static int show_one_by_pid( - const char *verb, +static int get_unit_dbus_path_by_pid( sd_bus *bus, uint32_t pid, - bool *new_line, - bool *ellipsized) { + char **unit) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; - const char *path = NULL; + char *u; int r; r = sd_bus_call_method( @@ -3301,11 +4217,16 @@ static int show_one_by_pid( return r; } - r = sd_bus_message_read(reply, "o", &path); + r = sd_bus_message_read(reply, "o", &u); if (r < 0) return bus_log_parse_error(r); - return show_one(verb, bus, path, false, new_line, ellipsized); + u = strdup(u); + if (!u) + return log_oom(); + + *unit = u; + return 0; } static int show_all( @@ -3315,46 +4236,106 @@ static int show_all( bool *new_line, bool *ellipsized) { - _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; _cleanup_free_ UnitInfo *unit_infos = NULL; const UnitInfo *u; unsigned c; int r; - r = get_unit_list(bus, &reply, &unit_infos); - if (r < 0) + r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply); + if (r < 0) + return r; + + pager_open_if_enabled(); + + c = (unsigned) r; + + qsort_safe(unit_infos, c, sizeof(UnitInfo), compare_unit_info); + + for (u = unit_infos; u < unit_infos + c; u++) { + _cleanup_free_ char *p = NULL; + + p = unit_dbus_path_from_name(u->id); + if (!p) + return log_oom(); + + r = show_one(verb, bus, p, show_properties, new_line, ellipsized); + if (r < 0) + return r; + } + + return 0; +} + +static int show_system_status(sd_bus *bus) { + char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX]; + _cleanup_free_ char *hn = NULL; + struct machine_info mi = {}; + const char *on, *off; + int r; + + hn = gethostname_malloc(); + if (!hn) + return log_oom(); + + r = bus_map_all_properties(bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", machine_info_property_map, &mi); + if (r < 0) { + log_error("Failed to read server status: %s", strerror(-r)); return r; + } - c = (unsigned) r; + if (streq_ptr(mi.state, "degraded")) { + on = ansi_highlight_red(); + off = ansi_highlight_off(); + } else if (!streq_ptr(mi.state, "running")) { + on = ansi_highlight_yellow(); + off = ansi_highlight_off(); + } else + on = off = ""; - qsort_safe(unit_infos, c, sizeof(UnitInfo), compare_unit_info); + printf("%s%s%s%s\n", on, draw_special_char(DRAW_BLACK_CIRCLE), off, arg_host ? arg_host : hn); - for (u = unit_infos; u < unit_infos + c; u++) { - _cleanup_free_ char *p = NULL; + printf(" State: %s%s%s\n", + on, strna(mi.state), off); - if (!output_show_unit(u)) - continue; + printf(" Jobs: %u queued\n", mi.n_jobs); + printf(" Failed: %u units\n", mi.n_failed_units); - p = unit_dbus_path_from_name(u->id); - if (!p) - return log_oom(); + printf(" Since: %s; %s\n", + format_timestamp(since2, sizeof(since2), mi.timestamp), + format_timestamp_relative(since1, sizeof(since1), mi.timestamp)); - printf("%s -> '%s'\n", u->id, p); + printf(" CGroup: %s\n", mi.control_group ?: "/"); + if (arg_transport == BUS_TRANSPORT_LOCAL || arg_transport == BUS_TRANSPORT_CONTAINER) { + int flags = + arg_all * OUTPUT_SHOW_ALL | + (!on_tty() || pager_have()) * OUTPUT_FULL_WIDTH | + on_tty() * OUTPUT_COLOR | + !arg_quiet * OUTPUT_WARN_CUTOFF | + arg_full * OUTPUT_FULL_WIDTH; - r = show_one(verb, bus, p, show_properties, new_line, ellipsized); - if (r != 0) - return r; + static const char prefix[] = " "; + unsigned c; + + c = columns(); + if (c > sizeof(prefix) - 1) + c -= sizeof(prefix) - 1; + else + c = 0; + + show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, false, flags); } + free(mi.state); + free(mi.control_group); + return 0; } static int show(sd_bus *bus, char **args) { - int r, ret = 0; bool show_properties, show_status, new_line = false; - char **name; bool ellipsized = false; + int r, ret = 0; assert(bus); assert(args); @@ -3370,208 +4351,161 @@ static int show(sd_bus *bus, char **args) { if (show_properties && strv_length(args) <= 1) return show_one(args[0], bus, "/org/freedesktop/systemd1", show_properties, &new_line, &ellipsized); - if (show_status && strv_length(args) <= 1) - ret = show_all(args[0], bus, false, &new_line, &ellipsized); - else - STRV_FOREACH(name, args+1) { - uint32_t id; + if (show_status && strv_length(args) <= 1) { - if (safe_atou32(*name, &id) < 0) { - _cleanup_free_ char *p = NULL, *n = NULL; - /* Interpret as unit name */ + pager_open_if_enabled(); + show_system_status(bus); + new_line = true; - n = unit_name_mangle(*name); - if (!n) - return log_oom(); + if (arg_all) + ret = show_all(args[0], bus, false, &new_line, &ellipsized); + } else { + _cleanup_free_ char **patterns = NULL; + char **name; - p = unit_dbus_path_from_name(n); - if (!p) - return log_oom(); + STRV_FOREACH(name, args + 1) { + _cleanup_free_ char *unit = NULL; + uint32_t id; - r = show_one(args[0], bus, p, show_properties, &new_line, &ellipsized); - if (r != 0) - ret = r; + if (safe_atou32(*name, &id) < 0) { + if (strv_push(&patterns, *name) < 0) + return log_oom(); + continue; } else if (show_properties) { - _cleanup_free_ char *p = NULL; - /* Interpret as job id */ - if (asprintf(&p, "/org/freedesktop/systemd1/job/%u", id) < 0) + if (asprintf(&unit, "/org/freedesktop/systemd1/job/%u", id) < 0) return log_oom(); - r = show_one(args[0], bus, p, show_properties, &new_line, &ellipsized); - if (r != 0) - ret = r; - } else { /* Interpret as PID */ - r = show_one_by_pid(args[0], bus, id, &new_line, &ellipsized); - if (r != 0) + r = get_unit_dbus_path_by_pid(bus, id, &unit); + if (r < 0) { ret = r; + continue; + } } + + show_one(args[0], bus, unit, show_properties, &new_line, &ellipsized); } - if (ellipsized && !arg_quiet) - printf("Hint: Some lines were ellipsized, use -l to show in full.\n"); + if (!strv_isempty(patterns)) { + _cleanup_strv_free_ char **names = NULL; - return ret; -} + r = expand_names(bus, patterns, NULL, &names); + if (r < 0) + log_error("Failed to expand names: %s", strerror(-r)); -static int append_assignment(sd_bus_message *m, const char *assignment) { - const char *eq; - char *field; - int r; + STRV_FOREACH(name, names) { + _cleanup_free_ char *unit; - assert(m); - assert(assignment); + unit = unit_dbus_path_from_name(*name); + if (!unit) + return log_oom(); - eq = strchr(assignment, '='); - if (!eq) { - log_error("Not an assignment: %s", assignment); - return -EINVAL; + show_one(args[0], bus, unit, show_properties, &new_line, &ellipsized); + } + } } - field = strndupa(assignment, eq - assignment); - eq ++; + if (ellipsized && !arg_quiet) + printf("Hint: Some lines were ellipsized, use -l to show in full.\n"); - r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field); - if (r < 0) - return bus_log_create_error(r); + return ret; +} - if (streq(field, "CPUAccounting") || - streq(field, "MemoryAccounting") || - streq(field, "BlockIOAccounting")) { +static int cat(sd_bus *bus, char **args) { + _cleanup_free_ char *unit = NULL; + _cleanup_strv_free_ char **names = NULL; + char **name; + bool first = true; + int r = 0; - r = parse_boolean(eq); - if (r < 0) { - log_error("Failed to parse boolean assignment %s.", assignment); - return -EINVAL; - } + assert(bus); + assert(args); - r = sd_bus_message_append(m, "v", "b", r); + r = expand_names(bus, args + 1, NULL, &names); + if (r < 0) + log_error("Failed to expand names: %s", strerror(-r)); - } else if (streq(field, "MemoryLimit")) { - off_t bytes; + pager_open_if_enabled(); - r = parse_bytes(eq, &bytes); - if (r < 0) { - log_error("Failed to parse bytes specification %s", assignment); - return -EINVAL; - } + STRV_FOREACH(name, names) { + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_strv_free_ char **dropin_paths = NULL; + _cleanup_free_ char *fragment_path = NULL; + char **path; - r = sd_bus_message_append(m, "v", "t", (uint64_t) bytes); + unit = unit_dbus_path_from_name(*name); + if (!unit) + return log_oom(); - } else if (streq(field, "CPUShares") || streq(field, "BlockIOWeight")) { - uint64_t u; + if (need_daemon_reload(bus, *name) > 0) + log_warning("Unit file of %s changed on disk. Run 'systemctl%s daemon-reload'.", + *name, arg_scope == UNIT_FILE_SYSTEM ? "" : " --user"); - r = safe_atou64(eq, &u); + r = sd_bus_get_property_string( + bus, + "org.freedesktop.systemd1", + unit, + "org.freedesktop.systemd1.Unit", + "FragmentPath", + &error, + &fragment_path); if (r < 0) { - log_error("Failed to parse %s value %s.", field, eq); - return -EINVAL; + log_warning("Failed to get FragmentPath: %s", bus_error_message(&error, r)); + continue; } - r = sd_bus_message_append(m, "v", "t", u); - - } else if (streq(field, "DevicePolicy")) - r = sd_bus_message_append(m, "v", "s", eq); - - else if (streq(field, "DeviceAllow")) { - - if (isempty(eq)) - r = sd_bus_message_append(m, "v", "a(ss)", 0); - else { - const char *path, *rwm; - char *e; - - e = strchr(eq, ' '); - if (e) { - path = strndupa(eq, e - eq); - rwm = e+1; - } else { - path = eq; - rwm = ""; - } - - if (!path_startswith(path, "/dev")) { - log_error("%s is not a device file in /dev.", path); - return -EINVAL; - } - - r = sd_bus_message_append(m, "v", "a(ss)", 1, path, rwm); + r = sd_bus_get_property_strv( + bus, + "org.freedesktop.systemd1", + unit, + "org.freedesktop.systemd1.Unit", + "DropInPaths", + &error, + &dropin_paths); + if (r < 0) { + log_warning("Failed to get DropInPaths: %s", bus_error_message(&error, r)); + continue; } - } else if (streq(field, "BlockIOReadBandwidth") || streq(field, "BlockIOWriteBandwidth")) { - - if (isempty(eq)) - r = sd_bus_message_append(m, "v", "a(st)", 0); - else { - const char *path, *bandwidth; - off_t bytes; - char *e; - - e = strchr(eq, ' '); - if (e) { - path = strndupa(eq, e - eq); - bandwidth = e+1; - } else { - log_error("Failed to parse %s value %s.", field, eq); - return -EINVAL; - } + if (first) + first = false; + else + puts(""); - if (!path_startswith(path, "/dev")) { - log_error("%s is not a device file in /dev.", path); - return -EINVAL; - } + if (!isempty(fragment_path)) { + printf("%s# %s%s\n", + ansi_highlight_blue(), + fragment_path, + ansi_highlight_off()); + fflush(stdout); - r = parse_bytes(bandwidth, &bytes); + r = sendfile_full(STDOUT_FILENO, fragment_path); if (r < 0) { - log_error("Failed to parse byte value %s.", bandwidth); - return -EINVAL; + log_warning("Failed to cat %s: %s", fragment_path, strerror(-r)); + continue; } - - r = sd_bus_message_append(m, "v", "a(st)", 1, path, (uint64_t) bytes); } - } else if (streq(field, "BlockIODeviceWeight")) { - - if (isempty(eq)) - r = sd_bus_message_append(m, "v", "a(st)", 0); - else { - const char *path, *weight; - uint64_t u; - char *e; - - e = strchr(eq, ' '); - if (e) { - path = strndupa(eq, e - eq); - weight = e+1; - } else { - log_error("Failed to parse %s value %s.", field, eq); - return -EINVAL; - } - - if (!path_startswith(path, "/dev")) { - log_error("%s is not a device file in /dev.", path); - return -EINVAL; - } + STRV_FOREACH(path, dropin_paths) { + printf("%s%s# %s%s\n", + isempty(fragment_path) && path == dropin_paths ? "" : "\n", + ansi_highlight_blue(), + *path, + ansi_highlight_off()); + fflush(stdout); - r = safe_atou64(weight, &u); + r = sendfile_full(STDOUT_FILENO, *path); if (r < 0) { - log_error("Failed to parse %s value %s.", field, weight); - return -EINVAL; + log_warning("Failed to cat %s: %s", *path, strerror(-r)); + continue; } - r = sd_bus_message_append(m, "v", "a(st)", path, u); } - - } else { - log_error("Unknown assignment %s.", assignment); - return -EINVAL; } - if (r < 0) - return bus_log_create_error(r); - - return 0; + return r < 0 ? r : 0; } static int set_property(sd_bus *bus, char **args) { @@ -3583,15 +4517,15 @@ static int set_property(sd_bus *bus, char **args) { r = sd_bus_message_new_method_call( bus, + &m, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", - "SetUnitProperties", - &m); + "SetUnitProperties"); if (r < 0) return bus_log_create_error(r); - n = unit_name_mangle(args[1]); + n = unit_name_mangle(args[1], MANGLE_NOGLOB); if (!n) return log_oom(); @@ -3608,7 +4542,7 @@ static int set_property(sd_bus *bus, char **args) { if (r < 0) return bus_log_create_error(r); - r = append_assignment(m, *i); + r = bus_append_unit_property_assignment(m, *i); if (r < 0) return r; @@ -3621,7 +4555,7 @@ static int set_property(sd_bus *bus, char **args) { if (r < 0) return bus_log_create_error(r); - r = sd_bus_send_with_reply_and_block(bus, m, -1, &error, NULL); + r = sd_bus_call(bus, m, 0, &error, NULL); if (r < 0) { log_error("Failed to set unit properties on %s: %s", n, bus_error_message(&error, r)); return r; @@ -3638,7 +4572,7 @@ static int snapshot(sd_bus *bus, char **args) { int r; if (strv_length(args) > 1) - n = unit_name_mangle_with_suffix(args[1], ".snapshot"); + n = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".snapshot"); else n = strdup(""); if (!n) @@ -3683,19 +4617,18 @@ static int snapshot(sd_bus *bus, char **args) { static int delete_snapshot(sd_bus *bus, char **args) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_strv_free_ char **names = NULL; char **name; - int r; + int r, q; assert(args); - STRV_FOREACH(name, args+1) { - _cleanup_free_ char *n = NULL; - - n = unit_name_mangle_with_suffix(*name, ".snapshot"); - if (!n) - return log_oom(); + r = expand_names(bus, args + 1, ".snapshot", &names); + if (r < 0) + log_error("Failed to expand names: %s", strerror(-r)); - r = sd_bus_call_method( + STRV_FOREACH(name, names) { + q = sd_bus_call_method( bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", @@ -3703,14 +4636,16 @@ static int delete_snapshot(sd_bus *bus, char **args) { "RemoveSnapshot", &error, NULL, - "s", n); - if (r < 0) { - log_error("Failed to remove snapshot %s: %s", n, bus_error_message(&error, r)); - return r; + "s", *name); + if (q < 0) { + log_error("Failed to remove snapshot %s: %s", + *name, bus_error_message(&error, r)); + if (r == 0) + r = q; } } - return 0; + return r; } static int daemon_reload(sd_bus *bus, char **args) { @@ -3759,25 +4694,24 @@ static int daemon_reload(sd_bus *bus, char **args) { else if (r < 0) log_error("Failed to execute operation: %s", bus_error_message(&error, r)); - return r; + return r < 0 ? r : 0; } static int reset_failed(sd_bus *bus, char **args) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_strv_free_ char **names = NULL; char **name; - int r; + int r, q; if (strv_length(args) <= 1) return daemon_reload(bus, args); - STRV_FOREACH(name, args+1) { - _cleanup_free_ char *n; - - n = unit_name_mangle(*name); - if (!n) - return log_oom(); + r = expand_names(bus, args + 1, NULL, &names); + if (r < 0) + log_error("Failed to expand names: %s", strerror(-r)); - r = sd_bus_call_method( + STRV_FOREACH(name, names) { + q = sd_bus_call_method( bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", @@ -3785,14 +4719,16 @@ static int reset_failed(sd_bus *bus, char **args) { "ResetFailedUnit", &error, NULL, - "s", n); - if (r < 0) { - log_error("Failed to reset failed state of unit %s: %s", n, bus_error_message(&error, r)); - return r; + "s", *name); + if (q < 0) { + log_error("Failed to reset failed state of unit %s: %s", + *name, bus_error_message(&error, r)); + if (r == 0) + r = q; } } - return 0; + return r; } static int show_environment(sd_bus *bus, char **args) { @@ -3835,8 +4771,8 @@ static int show_environment(sd_bus *bus, char **args) { static int switch_root(sd_bus *bus, char **args) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - _cleanup_free_ char *init = NULL; - const char *root; + _cleanup_free_ char *cmdline_init = NULL; + const char *root, *init; unsigned l; int r; @@ -3849,20 +4785,33 @@ static int switch_root(sd_bus *bus, char **args) { root = args[1]; if (l >= 3) - init = strdup(args[2]); + init = args[2]; else { - parse_env_file("/proc/cmdline", WHITESPACE, - "init", &init, - NULL); + r = parse_env_file("/proc/cmdline", WHITESPACE, + "init", &cmdline_init, + NULL); + if (r < 0) + log_debug("Failed to parse /proc/cmdline: %s", strerror(-r)); - if (!init) - init = strdup(""); + init = cmdline_init; } - if (!init) - return log_oom(); + if (isempty(init)) + init = NULL; + + if (init) { + const char *root_systemd_path = NULL, *root_init_path = NULL; + + root_systemd_path = strappenda(root, "/" SYSTEMD_BINARY_PATH); + root_init_path = strappenda3(root, "/", init); + + /* If the passed init is actually the same as the + * systemd binary, then let's suppress it. */ + if (files_same(root_init_path, root_systemd_path) > 0) + init = NULL; + } - log_debug("switching root - root: %s; init: %s", root, init); + log_debug("Switching root - root: %s; init: %s", root, strna(init)); r = sd_bus_call_method( bus, @@ -3896,11 +4845,11 @@ static int set_environment(sd_bus *bus, char **args) { r = sd_bus_message_new_method_call( bus, + &m, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", - method, - &m); + method); if (r < 0) return bus_log_create_error(r); @@ -3908,7 +4857,7 @@ static int set_environment(sd_bus *bus, char **args) { if (r < 0) return bus_log_create_error(r); - r = sd_bus_send_with_reply_and_block(bus, m, -1, &error, NULL); + r = sd_bus_call(bus, m, 0, &error, NULL); if (r < 0) { log_error("Failed to set environment: %s", bus_error_message(&error, r)); return r; @@ -3917,6 +4866,69 @@ static int set_environment(sd_bus *bus, char **args) { return 0; } +static int import_environment(sd_bus *bus, char **args) { + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_bus_message_unref_ sd_bus_message *m = NULL; + int r; + + assert(bus); + assert(args); + + r = sd_bus_message_new_method_call( + bus, + &m, + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "SetEnvironment"); + if (r < 0) + return bus_log_create_error(r); + + if (strv_isempty(args + 1)) + r = sd_bus_message_append_strv(m, environ); + else { + char **a, **b; + + r = sd_bus_message_open_container(m, 'a', "s"); + if (r < 0) + return bus_log_create_error(r); + + STRV_FOREACH(a, args + 1) { + + if (!env_name_is_valid(*a)) { + log_error("Not a valid environment variable name: %s", *a); + return -EINVAL; + } + + STRV_FOREACH(b, environ) { + const char *eq; + + eq = startswith(*b, *a); + if (eq && *eq == '=') { + + r = sd_bus_message_append(m, "s", *b); + if (r < 0) + return bus_log_create_error(r); + + break; + } + } + } + + r = sd_bus_message_close_container(m); + } + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_call(bus, m, 0, &error, NULL); + if (r < 0) { + log_error("Failed to import environment: %s", bus_error_message(&error, r)); + return r; + } + + return 0; +} + static int enable_sysv_units(const char *verb, char **args) { int r = 0; @@ -4004,7 +5016,7 @@ static int enable_sysv_units(const char *verb, char **args) { if (!isempty(arg_root)) argv[c++] = q = strappend("--root=", arg_root); - argv[c++] = path_get_file_name(p); + argv[c++] = basename(p); argv[c++] = streq(verb, "enable") ? "on" : streq(verb, "disable") ? "off" : "--level=5"; @@ -4091,7 +5103,7 @@ static int mangle_names(char **original_names, char ***mangled_names) { if (is_path(*name)) *i = strdup(*name); else - *i = unit_name_mangle(*name); + *i = unit_name_mangle(*name, MANGLE_NOGLOB); if (!*i) { strv_free(l); @@ -4108,46 +5120,47 @@ static int mangle_names(char **original_names, char ***mangled_names) { } static int enable_unit(sd_bus *bus, char **args) { - _cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *m = NULL; - _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - _cleanup_strv_free_ char **mangled_names = NULL; + _cleanup_strv_free_ char **names = NULL; const char *verb = args[0]; UnitFileChange *changes = NULL; - unsigned n_changes = 0, i; + unsigned n_changes = 0; int carries_install_info = -1; int r; if (!args[1]) return 0; - r = mangle_names(args+1, &mangled_names); + r = mangle_names(args+1, &names); if (r < 0) return r; - r = enable_sysv_units(verb, mangled_names); + r = enable_sysv_units(verb, names); if (r < 0) return r; + /* If the operation was fully executed by the SysV compat, + * let's finish early */ + if (strv_isempty(names)) + return 0; + if (!bus || avoid_bus()) { if (streq(verb, "enable")) { - r = unit_file_enable(arg_scope, arg_runtime, arg_root, mangled_names, arg_force, &changes, &n_changes); + r = unit_file_enable(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes); carries_install_info = r; } else if (streq(verb, "disable")) - r = unit_file_disable(arg_scope, arg_runtime, arg_root, mangled_names, &changes, &n_changes); + r = unit_file_disable(arg_scope, arg_runtime, arg_root, names, &changes, &n_changes); else if (streq(verb, "reenable")) { - r = unit_file_reenable(arg_scope, arg_runtime, arg_root, mangled_names, arg_force, &changes, &n_changes); + r = unit_file_reenable(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes); carries_install_info = r; } else if (streq(verb, "link")) - r = unit_file_link(arg_scope, arg_runtime, arg_root, mangled_names, arg_force, &changes, &n_changes); + r = unit_file_link(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes); else if (streq(verb, "preset")) { - r = unit_file_preset(arg_scope, arg_runtime, arg_root, mangled_names, arg_force, &changes, &n_changes); + r = unit_file_preset(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes); carries_install_info = r; } else if (streq(verb, "mask")) - r = unit_file_mask(arg_scope, arg_runtime, arg_root, mangled_names, arg_force, &changes, &n_changes); + r = unit_file_mask(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes); else if (streq(verb, "unmask")) - r = unit_file_unmask(arg_scope, arg_runtime, arg_root, mangled_names, &changes, &n_changes); - else if (streq(verb, "set-default")) - r = unit_file_set_default(arg_scope, arg_root, args[1], &changes, &n_changes); + r = unit_file_unmask(arg_scope, arg_runtime, arg_root, names, &changes, &n_changes); else assert_not_reached("Unknown verb"); @@ -4156,20 +5169,16 @@ static int enable_unit(sd_bus *bus, char **args) { goto finish; } - if (!arg_quiet) { - 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); - } - } + if (!arg_quiet) + dump_unit_file_changes(changes, n_changes); r = 0; } else { - const char *method, *type, *path, *source; + _cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *m = NULL; + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; int expect_carries_install_info = false; bool send_force = true; + const char *method; if (streq(verb, "enable")) { method = "EnableUnitFiles"; @@ -4190,22 +5199,20 @@ static int enable_unit(sd_bus *bus, char **args) { else if (streq(verb, "unmask")) { method = "UnmaskUnitFiles"; send_force = false; - } else if (streq(verb, "set-default")) { - method = "SetDefaultTarget"; } else assert_not_reached("Unknown verb"); r = sd_bus_message_new_method_call( bus, + &m, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", - method, - &m); + method); if (r < 0) return bus_log_create_error(r); - r = sd_bus_message_append_strv(m, mangled_names); + r = sd_bus_message_append_strv(m, names); if (r < 0) return bus_log_create_error(r); @@ -4219,7 +5226,7 @@ static int enable_unit(sd_bus *bus, char **args) { return bus_log_create_error(r); } - r = sd_bus_send_with_reply_and_block(bus, m, -0, &error, &reply); + r = sd_bus_call(bus, m, 0, &error, &reply); if (r < 0) { log_error("Failed to execute operation: %s", bus_error_message(&error, r)); return r; @@ -4231,26 +5238,11 @@ static int enable_unit(sd_bus *bus, char **args) { return bus_log_parse_error(r); } - r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(sss)"); - if (r < 0) - return bus_log_parse_error(r); - - while ((r = sd_bus_message_read(reply, "(sss)", &type, &path, &source)) > 0) { - if (!arg_quiet) { - if (streq(type, "symlink")) - log_info("ln -s '%s' '%s'", source, path); - else - log_info("rm '%s'", path); - } - } - if (r < 0) - return bus_log_parse_error(r); - - r = sd_bus_message_exit_container(reply); + r = deserialize_and_dump_unit_file_changes(reply); if (r < 0) - return bus_log_parse_error(r); + return r; - /* Try to reload if enabeld */ + /* Try to reload if enabled */ if (!arg_no_reload) r = daemon_reload(bus, args); else @@ -4277,16 +5269,16 @@ finish: static int unit_is_enabled(sd_bus *bus, char **args) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - _cleanup_strv_free_ char **mangled_names = NULL; + _cleanup_strv_free_ char **names = NULL; bool enabled; char **name; int r; - r = mangle_names(args+1, &mangled_names); + r = mangle_names(args+1, &names); if (r < 0) return r; - r = enable_sysv_units(args[0], mangled_names); + r = enable_sysv_units(args[0], names); if (r < 0) return r; @@ -4294,7 +5286,7 @@ static int unit_is_enabled(sd_bus *bus, char **args) { if (!bus || avoid_bus()) { - STRV_FOREACH(name, mangled_names) { + STRV_FOREACH(name, names) { UnitFileState state; state = unit_file_get_state(arg_scope, arg_root, *name); @@ -4313,7 +5305,7 @@ static int unit_is_enabled(sd_bus *bus, char **args) { } } else { - STRV_FOREACH(name, mangled_names) { + STRV_FOREACH(name, names) { _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; const char *s; @@ -4325,7 +5317,7 @@ static int unit_is_enabled(sd_bus *bus, char **args) { "GetUnitFileState", &error, &reply, - "s", name); + "s", *name); if (r < 0) { log_error("Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r)); return r; @@ -4368,14 +5360,11 @@ static int systemctl_help(void) { " -a --all Show all loaded units/properties, including dead/empty\n" " ones. To list all units installed on the system, use\n" " the 'list-unit-files' command instead.\n" - " --reverse Show reverse dependencies with 'list-dependencies'\n" " -l --full Don't ellipsize unit names on output\n" - " --fail When queueing a new job, fail if conflicting jobs are\n" - " pending\n" - " --irreversible When queueing a new job, make sure it cannot be implicitly\n" - " cancelled\n" - " --ignore-dependencies\n" - " When queueing a new job, ignore all its dependencies\n" + " -r --recursive Show unit list of host and local containers\n" + " --reverse Show reverse dependencies with 'list-dependencies'\n" + " --job-mode=MODE Specify how to deal with already queued jobs, when\n" + " queueing a new job\n" " --show-types When showing sockets, explicitly show their type\n" " -i --ignore-inhibitors\n" " When shutting down or sleeping, ignore inhibitors\n" @@ -4397,58 +5386,63 @@ static int systemctl_help(void) { " --root=PATH Enable unit files in the specified root directory\n" " -n --lines=INTEGER Number of journal entries to show\n" " -o --output=STRING Change journal output mode (short, short-monotonic,\n" - " verbose, export, json, json-pretty, json-sse, cat)\n\n" + " verbose, export, json, json-pretty, json-sse, cat)\n" + " --plain Print unit dependencies as a list instead of a tree\n\n" "Unit Commands:\n" - " list-units List loaded units\n" - " list-sockets List loaded sockets ordered by address\n" - " start [NAME...] Start (activate) one or more units\n" - " stop [NAME...] Stop (deactivate) one or more units\n" - " reload [NAME...] Reload one or more units\n" - " restart [NAME...] Start or restart one or more units\n" - " try-restart [NAME...] Restart one or more units if active\n" - " reload-or-restart [NAME...] Reload one or more units if possible,\n" + " list-units [PATTERN...] List loaded units\n" + " list-sockets [PATTERN...] List loaded sockets ordered by address\n" + " list-timers [PATTERN...] List loaded timers ordered by next elapse\n" + " start NAME... Start (activate) one or more units\n" + " stop NAME... Stop (deactivate) one or more units\n" + " reload NAME... Reload one or more units\n" + " restart NAME... Start or restart one or more units\n" + " try-restart NAME... Restart one or more units if active\n" + " reload-or-restart NAME... Reload one or more units if possible,\n" " otherwise start or restart\n" - " reload-or-try-restart [NAME...] Reload one or more units if possible,\n" + " reload-or-try-restart NAME... Reload one or more units if possible,\n" " otherwise restart if active\n" - " isolate [NAME] Start one unit and stop all others\n" - " kill [NAME...] Send signal to processes of a unit\n" - " is-active [NAME...] Check whether units are active\n" - " is-failed [NAME...] Check whether units are failed\n" - " status [NAME...|PID...] Show runtime status of one or more units\n" - " show [NAME...|JOB...] Show properties of one or more\n" + " isolate NAME Start one unit and stop all others\n" + " kill NAME... Send signal to processes of a unit\n" + " is-active PATTERN... Check whether units are active\n" + " is-failed PATTERN... Check whether units are failed\n" + " status [PATTERN...|PID...] Show runtime status of one or more units\n" + " show [PATTERN...|JOB...] Show properties of one or more\n" " units/jobs or the manager\n" - " set-property [NAME] [ASSIGNMENT...]\n" - " Sets one or more properties of a unit\n" - " help [NAME...|PID...] Show manual for one or more units\n" - " reset-failed [NAME...] Reset failed state for all, one, or more\n" + " cat PATTERN... Show files and drop-ins of one or more units\n" + " set-property NAME ASSIGNMENT... Sets one or more properties of a unit\n" + " help PATTERN...|PID... Show manual for one or more units\n" + " reset-failed [PATTERN...] Reset failed state for all, one, or more\n" " units\n" " list-dependencies [NAME] Recursively show units which are required\n" " or wanted by this unit or by which this\n" " unit is required or wanted\n\n" "Unit File Commands:\n" - " list-unit-files 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" + " list-unit-files [PATTERN...] List installed unit files\n" + " enable NAME... Enable one or more unit files\n" + " disable NAME... Disable one or more unit files\n" + " reenable NAME... Reenable one or more unit files\n" + " preset NAME... Enable/disable one or more unit files\n" " based on preset configuration\n" - " is-enabled [NAME...] Check whether unit files are enabled\n\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" + " is-enabled NAME... Check whether unit files are enabled\n\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" " get-default Get the name of the default target\n" " set-default NAME Set the default target\n\n" + "Machine Commands:\n" + " list-machines [PATTERN...] List local containers and host\n\n" "Job Commands:\n" - " list-jobs List jobs\n" + " list-jobs [PATTERN...] List jobs\n" " cancel [JOB...] Cancel all, one, or more jobs\n\n" "Snapshot Commands:\n" " snapshot [NAME] Create a snapshot\n" - " delete [NAME...] Remove one or more snapshots\n\n" + " 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\n" + " set-environment NAME=VALUE... Set one or more environment variables\n" + " unset-environment NAME... Unset one or more environment variables\n" + " import-environment NAME... Import all, 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" @@ -4461,7 +5455,7 @@ static int systemctl_help(void) { " reboot [ARG] Shut down and reboot the system\n" " kexec Shut down and reboot the system with kexec\n" " exit Request user instance exit\n" - " switch-root [ROOT] [INIT] Change to a different root file system\n" + " switch-root ROOT [INIT] Change to a different root file system\n" " suspend Suspend the system\n" " hibernate Hibernate the system\n" " hybrid-sleep Hibernate and suspend the system\n", @@ -4541,7 +5535,7 @@ static int help_types(void) { const char *t; puts("Available unit types:"); - for(i = 0; i < _UNIT_TYPE_MAX; i++) { + for (i = 0; i < _UNIT_TYPE_MAX; i++) { t = unit_type_to_string(i); if (t) puts(t); @@ -4576,7 +5570,8 @@ static int systemctl_parse_argv(int argc, char *argv[]) { ARG_RUNTIME, ARG_FORCE, ARG_PLAIN, - ARG_STATE + ARG_STATE, + ARG_JOB_MODE }; static const struct option options[] = { @@ -4591,9 +5586,10 @@ static int systemctl_parse_argv(int argc, char *argv[]) { { "show-types", no_argument, NULL, ARG_SHOW_TYPES }, { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */ { "full", no_argument, NULL, 'l' }, - { "fail", no_argument, NULL, ARG_FAIL }, - { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, - { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, + { "job-mode", required_argument, NULL, ARG_JOB_MODE }, + { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */ + { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */ + { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */ { "ignore-inhibitors", no_argument, NULL, 'i' }, { "user", no_argument, NULL, ARG_USER }, { "system", no_argument, NULL, ARG_SYSTEM }, @@ -4616,6 +5612,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) { { "output", required_argument, NULL, 'o' }, { "plain", no_argument, NULL, ARG_PLAIN }, { "state", required_argument, NULL, ARG_STATE }, + { "recursive", no_argument, NULL, 'r' }, {} }; @@ -4624,7 +5621,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) { assert(argc >= 0); assert(argv); - while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:i", options, NULL)) >= 0) { + while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:ir", options, NULL)) >= 0) { switch (c) { @@ -4696,10 +5693,8 @@ static int systemctl_parse_argv(int argc, char *argv[]) { if (!prop) return log_oom(); - if (strv_push(&arg_properties, prop) < 0) { - free(prop); + if (strv_consume(&arg_properties, prop) < 0) return log_oom(); - } } } @@ -4731,6 +5726,10 @@ static int systemctl_parse_argv(int argc, char *argv[]) { arg_show_types = true; break; + case ARG_JOB_MODE: + arg_job_mode = optarg; + break; + case ARG_FAIL: arg_job_mode = "fail"; break; @@ -4864,14 +5863,21 @@ static int systemctl_parse_argv(int argc, char *argv[]) { if (!s) return log_oom(); - if (strv_push(&arg_states, s) < 0) { - free(s); + if (strv_consume(&arg_states, s) < 0) return log_oom(); - } } break; } + case 'r': + if (geteuid() != 0) { + log_error("--recursive requires root priviliges."); + return -EPERM; + } + + arg_recursive = true; + break; + case '?': return -EINVAL; @@ -5237,7 +6243,6 @@ static int runlevel_parse_argv(int argc, char *argv[]) { case ARG_HELP: return runlevel_help(); - return 0; case '?': return -EINVAL; @@ -5369,11 +6374,17 @@ static int systemctl_main(sd_bus *bus, int argc, char *argv[], int bus_error) { } argc_cmp; const int argc; int (* const dispatch)(sd_bus *bus, char **args); + const enum { + NOBUS = 1, + FORCE, + } bus; } verbs[] = { - { "list-units", LESS, 1, list_units }, - { "list-unit-files", EQUAL, 1, list_unit_files }, - { "list-sockets", LESS, 1, list_sockets }, - { "list-jobs", EQUAL, 1, list_jobs }, + { "list-units", MORE, 0, list_units }, + { "list-unit-files", MORE, 1, list_unit_files, NOBUS }, + { "list-sockets", MORE, 1, list_sockets }, + { "list-timers", MORE, 1, list_timers }, + { "list-jobs", MORE, 1, list_jobs }, + { "list-machines", MORE, 1, list_machines }, { "clear-jobs", EQUAL, 1, daemon_reload }, { "cancel", MORE, 2, cancel_job }, { "start", MORE, 2, start_unit }, @@ -5393,6 +6404,7 @@ static int systemctl_main(sd_bus *bus, int argc, char *argv[], int bus_error) { { "check", MORE, 2, check_unit_active }, { "is-failed", MORE, 2, check_unit_failed }, { "show", MORE, 1, show }, + { "cat", MORE, 2, cat }, { "status", MORE, 1, show }, { "help", MORE, 2, show }, { "snapshot", LESS, 2, snapshot }, @@ -5402,9 +6414,10 @@ static int systemctl_main(sd_bus *bus, int argc, char *argv[], int bus_error) { { "show-environment", EQUAL, 1, show_environment }, { "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 }, + { "import-environment", MORE, 1, import_environment}, + { "halt", EQUAL, 1, start_special, FORCE }, + { "poweroff", EQUAL, 1, start_special, FORCE }, + { "reboot", EQUAL, 1, start_special, FORCE }, { "kexec", EQUAL, 1, start_special }, { "suspend", EQUAL, 1, start_special }, { "hibernate", EQUAL, 1, start_special }, @@ -5414,53 +6427,50 @@ static int systemctl_main(sd_bus *bus, int argc, char *argv[], int bus_error) { { "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 }, + { "enable", MORE, 2, enable_unit, NOBUS }, + { "disable", MORE, 2, enable_unit, NOBUS }, + { "is-enabled", MORE, 2, unit_is_enabled, NOBUS }, + { "reenable", MORE, 2, enable_unit, NOBUS }, + { "preset", MORE, 2, enable_unit, NOBUS }, + { "mask", MORE, 2, enable_unit, NOBUS }, + { "unmask", MORE, 2, enable_unit, NOBUS }, + { "link", MORE, 2, enable_unit, NOBUS }, { "switch-root", MORE, 2, switch_root }, { "list-dependencies", LESS, 2, list_dependencies }, - { "set-default", EQUAL, 2, enable_unit }, - { "get-default", LESS, 1, get_default }, + { "set-default", EQUAL, 2, set_default, NOBUS }, + { "get-default", EQUAL, 1, get_default, NOBUS }, { "set-property", MORE, 3, set_property }, - }; + {} + }, *verb = verbs; int left; - unsigned i; assert(argc >= 0); assert(argv); left = argc - optind; - if (left <= 0) - /* Special rule: no arguments means "list-units" */ - i = 0; - else { + /* Special rule: no arguments (left == 0) means "list-units" */ + if (left > 0) { if (streq(argv[optind], "help") && !argv[optind+1]) { log_error("This command expects one or more " "unit names. Did you mean --help?"); return -EINVAL; } - for (i = 0; i < ELEMENTSOF(verbs); i++) - if (streq(argv[optind], verbs[i].verb)) - break; + for (; verb->verb; verb++) + if (streq(argv[optind], verb->verb)) + goto found; - if (i >= ELEMENTSOF(verbs)) { - log_error("Unknown operation '%s'.", argv[optind]); - return -EINVAL; - } + log_error("Unknown operation '%s'.", argv[optind]); + return -EINVAL; } +found: - switch (verbs[i].argc_cmp) { + switch (verb->argc_cmp) { case EQUAL: - if (left != verbs[i].argc) { + if (left != verb->argc) { log_error("Invalid number of arguments."); return -EINVAL; } @@ -5468,7 +6478,7 @@ static int systemctl_main(sd_bus *bus, int argc, char *argv[], int bus_error) { break; case MORE: - if (left < verbs[i].argc) { + if (left < verb->argc) { log_error("Too few arguments."); return -EINVAL; } @@ -5476,7 +6486,7 @@ static int systemctl_main(sd_bus *bus, int argc, char *argv[], int bus_error) { break; case LESS: - if (left > verbs[i].argc) { + if (left > verb->argc) { log_error("Too many arguments."); return -EINVAL; } @@ -5489,39 +6499,25 @@ static int systemctl_main(sd_bus *bus, int argc, char *argv[], int bus_error) { /* 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-enabled") && - !streq(verbs[i].verb, "list-unit-files") && - !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") && - !streq(verbs[i].verb, "set-default") && - !streq(verbs[i].verb, "get-default")) { + if (verb->bus == NOBUS) { + if (!bus && !avoid_bus()) { + log_error("Failed to get D-Bus connection: %s", strerror(-bus_error)); + return -EIO; + } + } else { if (running_in_chroot() > 0) { log_info("Running in chroot, ignoring request."); return 0; } - if (((!streq(verbs[i].verb, "reboot") && - !streq(verbs[i].verb, "halt") && - !streq(verbs[i].verb, "poweroff")) || arg_force <= 0) && !bus) { - log_error("Failed to get D-Bus connection: %s", strerror (-bus_error)); - return -EIO; - } - - } else { - - if (!bus && !avoid_bus()) { - log_error("Failed to get D-Bus connection: %s", strerror (-bus_error)); + if ((verb->bus != FORCE || arg_force <= 0) && !bus) { + log_error("Failed to get D-Bus connection: %s", strerror(-bus_error)); return -EIO; } } - return verbs[i].dispatch(bus, argv + optind); + return verb->dispatch(bus, argv + optind); } static int send_shutdownd(usec_t t, char mode, bool dry_run, bool warn, const char *message) { @@ -5546,7 +6542,7 @@ static int send_shutdownd(usec_t t, char mode, bool dry_run, bool warn, const ch struct msghdr msghdr = { .msg_name = &sockaddr, .msg_namelen = offsetof(struct sockaddr_un, sun_path) - + sizeof("/run/systemd/shutdownd") - 1, + + strlen("/run/systemd/shutdownd"), .msg_iov = iovec, .msg_iovlen = 1, };