X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fsystemctl%2Fsystemctl.c;h=afd4b7171cdc16c2526a86e116340e2c562204f2;hb=6e646d22f6f9215de5ccb5e5edf450558c59fed1;hp=7e9b6eacf188a56bd3bab2d36f1ba82aacd1fcc5;hpb=0d95178e49eaf70fce9882d2a1277a9cd3555f34;p=elogind.git diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c index 7e9b6eacf..afd4b7171 100644 --- a/src/systemctl/systemctl.c +++ b/src/systemctl/systemctl.c @@ -57,7 +57,6 @@ #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 +64,27 @@ #include "spawn-polkit-agent.h" #include "install.h" #include "logs-show.h" -#include "path-util.h" #include "socket-util.h" #include "fileio.h" +#include "copy.h" +#include "env-util.h" #include "bus-util.h" #include "bus-message.h" #include "bus-error.h" +#include "bus-common-errors.h" +#include "mkdir.h" +#include "dropin.h" static char **arg_types = NULL; static char **arg_states = NULL; static char **arg_properties = NULL; static bool arg_all = false; -static 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; @@ -96,9 +99,11 @@ static bool arg_ignore_inhibitors = false; static bool arg_dry = false; static bool arg_quiet = false; static bool arg_full = false; +static bool arg_recursive = false; static int arg_force = 0; static bool arg_ask_password = true; static bool arg_runtime = false; +static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL; static char **arg_wall = NULL; static const char *arg_kill_who = NULL; static int arg_signal = SIGTERM; @@ -134,8 +139,17 @@ static unsigned arg_lines = 10; static OutputMode arg_output = OUTPUT_SHORT; static bool arg_plain = false; +static bool original_stdout_is_tty; + static int daemon_reload(sd_bus *bus, char **args); -static void halt_now(enum action a); +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) { @@ -161,7 +175,6 @@ static void ask_password_agent_open_if_enabled(void) { ask_password_agent_open(); } -#ifdef HAVE_LOGIND static void polkit_agent_open_if_enabled(void) { /* Open the polkit agent as a child process if necessary */ @@ -177,7 +190,15 @@ static void polkit_agent_open_if_enabled(void) { polkit_agent_open(); } -#endif + +static OutputFlags get_output_flags(void) { + return + arg_all * OUTPUT_SHOW_ALL | + arg_full * OUTPUT_FULL_WIDTH | + (!on_tty() || pager_have()) * OUTPUT_FULL_WIDTH | + on_tty() * OUTPUT_COLOR | + !arg_quiet * OUTPUT_WARN_CUTOFF; +} static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) { assert(error); @@ -195,7 +216,7 @@ 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 +252,7 @@ static void warn_wall(enum action a) { } if (*p) { - utmp_wall(p, NULL); + utmp_wall(p, NULL, NULL); return; } } @@ -239,7 +260,7 @@ 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) { @@ -262,54 +283,74 @@ 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) { - const char *dot; +static bool output_show_unit(const UnitInfo *u, char **patterns) { + if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE)) + return false; + + if (arg_types) { + const char *dot; - if (!strv_isempty(arg_states)) - return - strv_contains(arg_states, u->load_state) || - strv_contains(arg_states, u->sub_state) || - strv_contains(arg_states, u->active_state); + dot = strrchr(u->id, '.'); + if (!dot) + 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); + if (!strv_find(arg_types, dot+1)) + return false; + } + + if (arg_all) + return true; + + if (u->job_id > 0) + return true; + + if (streq(u->active_state, "inactive") || u->following[0]) + return false; + + return true; } -static 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 +359,18 @@ 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 +397,18 @@ 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 +426,39 @@ 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") && !arg_plain) { + on_loaded = ansi_highlight_red(); + on_circle = ansi_highlight_yellow(); + off_loaded = off_circle = ansi_highlight_off(); + circle = true; + } else if (streq(u->active_state, "failed") && !arg_plain) { + on_circle = on_active = ansi_highlight_red(); + off_circle = off_active = ansi_highlight_off(); + circle = true; + } + + if (u->machine) { + j = strjoin(u->machine, ":", u->id, NULL); + if (!j) + return log_oom(); - if (streq(u->active_state, "failed")) { - on_active = on = ansi_highlight_red(); - off_active = off = ansi_highlight_off(); + id = j; } else - on_active = off_active = ""; + id = u->id; + + if (arg_full) { + e = ellipsize(id, id_len, 33); + if (!e) + return log_oom(); + + id = e; + } - e = arg_full ? NULL : ellipsize(u->id, id_len, 33); + 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 +474,11 @@ 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 { @@ -430,33 +495,45 @@ 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_message_unref_ sd_bus_message *m = NULL; _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; - _cleanup_free_ UnitInfo *unit_infos = NULL; - size_t size = 0; - int r, c = 0; + size_t size = c; + int r; UnitInfo u; assert(bus); + assert(unit_infos); assert(_reply); - assert(_unit_infos); - r = sd_bus_call_method( + r = sd_bus_message_new_method_call( bus, + &m, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", - "ListUnits", - &error, - &reply, - NULL); + "ListUnitsFiltered"); + + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_strv(m, arg_states); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_call(bus, m, 0, &error, &reply); if (r < 0) { log_error("Failed to list units: %s", bus_error_message(&error, r)); return r; @@ -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 (!output_show_unit(&u, patterns)) + continue; - if (!GREEDY_REALLOC(unit_infos, size, c+1)) + 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); + if (!replies) + return log_oom(); + + c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply); + if (c < 0) + return c; + + r = set_put(replies, reply); + if (r < 0) { + sd_bus_message_unref(reply); + return r; + } + + if (arg_recursive) { + _cleanup_strv_free_ char **machines = NULL; + char **i; + + r = sd_get_machine_names(&machines); + if (r < 0) + return r; + + STRV_FOREACH(i, machines) { + _cleanup_bus_close_unref_ sd_bus *container = NULL; + int k; + + r = sd_bus_open_system_machine(&container, *i); + if (r < 0) { + log_error_errno(r, "Failed to connect to container %s: %m", *i); + continue; + } + + k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply); + if (k < 0) + return k; + + c = k; + + r = set_put(replies, reply); + if (r < 0) { + sd_bus_message_unref(reply); + return r; + } + } + + *_machines = machines; + machines = NULL; + } else + *_machines = NULL; + *_unit_infos = unit_infos; unit_infos = NULL; + *_replies = replies; + replies = NULL; + return c; } static int list_units(sd_bus *bus, char **args) { - _cleanup_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); @@ -577,10 +738,11 @@ static int get_listening( if (r < 0) return bus_log_parse_error(r); - return 0; + return n; } struct socket_info { + const char *machine; const char* id; char* type; @@ -588,16 +750,29 @@ struct socket_info { /* Note: triggered is a list here, although it almost certainly * will always be one unit. Nevertheless, dbus API allows for multiple - * values, so let's follow that.*/ + * values, so let's follow that. */ char** triggered; /* The strv above is shared. free is set only in the first one. */ bool own_triggered; }; -static int socket_info_compare(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); + + if (!a->machine && b->machine) + return -1; + if (a->machine && !b->machine) + return 1; + if (a->machine && b->machine) { + o = strcasecmp(a->machine, b->machine); + if (o != 0) + return o; + } + o = strcmp(a->path, b->path); if (o == 0) o = strcmp(a->type, b->type); @@ -607,10 +782,10 @@ 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++) { @@ -620,7 +795,7 @@ static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) { socklen = MAX(socklen, strlen(s->id)); if (arg_show_types) typelen = MAX(typelen, strlen(s->type)); - pathlen = MAX(pathlen, strlen(s->path)); + pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0)); STRV_FOREACH(a, s->triggered) tmp += strlen(*a) + 2*(a != s->triggered); @@ -636,14 +811,24 @@ static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) { "ACTIVATES"); for (s = socket_infos; s < socket_infos + cs; s++) { + _cleanup_free_ char *j = NULL; + const char *path; char **a; + if (s->machine) { + j = strjoin(s->machine, ":", s->path, NULL); + if (!j) + return log_oom(); + path = j; + } else + path = s->path; + if (arg_show_types) printf("%-*s %-*s %-*s", - pathlen, s->path, typelen, s->type, socklen, s->id); + pathlen, path, typelen, s->type, socklen, s->id); else printf("%-*s %-*s", - pathlen, s->path, socklen, s->id); + pathlen, path, socklen, s->id); STRV_FOREACH(a, s->triggered) printf("%s %s", a == s->triggered ? "" : ",", *a); @@ -669,29 +854,25 @@ 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_(message_set_freep) Set *replies = NULL; + _cleanup_strv_free_ char **machines = 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_recursive(bus, strv_skip_first(args), &unit_infos, &replies, &machines); + 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 +881,11 @@ 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(); @@ -711,6 +894,7 @@ static int list_sockets(sd_bus *bus, char **args) { for (i = 0; i < c; i++) socket_infos[cs + i] = (struct socket_info) { + .machine = u->machine, .id = u->id, .type = listening[i*2], .path = listening[i*2 + 1], @@ -737,144 +921,459 @@ static int list_sockets(sd_bus *bus, char **args) { if (s->own_triggered) strv_free(s->triggered); } - free(socket_infos); return r; } -static int compare_unit_file_list(const void *a, const void *b) { - const char *d1, *d2; - const UnitFileList *u = a, *v = b; +static int get_next_elapse( + sd_bus *bus, + const char *path, + dual_timestamp *next) { - d1 = strrchr(u->path, '.'); - d2 = strrchr(v->path, '.'); + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + dual_timestamp t; + int r; - if (d1 && d2) { - int r; + assert(bus); + assert(path); + assert(next); - r = strcasecmp(d1, d2); - if (r != 0) - return r; + 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; } - return strcasecmp(path_get_file_name(u->path), path_get_file_name(v->path)); + 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 bool output_show_unit_file(const UnitFileList *u) { - const char *dot; +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 !arg_types || ((dot = strrchr(u->path, '.')) && strv_find(arg_types, dot+1)); + return 0; } -static void output_unit_file_list(const UnitFileList *units, unsigned c) { - unsigned max_id_len, id_cols, state_cols, n_shown = 0; - const UnitFileList *u; +struct timer_info { + const char* machine; + const char* id; + usec_t next_elapse; + usec_t last_trigger; + char** triggered; +}; - max_id_len = sizeof("UNIT FILE")-1; - state_cols = sizeof("STATE")-1; +static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) { + int o; - for (u = units; u < units + c; u++) { - if (!output_show_unit_file(u)) - continue; + assert(a); + assert(b); - max_id_len = MAX(max_id_len, strlen(path_get_file_name(u->path))); - state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state))); + if (!a->machine && b->machine) + return -1; + if (a->machine && !b->machine) + return 1; + if (a->machine && b->machine) { + o = strcasecmp(a->machine, b->machine); + if (o != 0) + return o; } - if (!arg_full) { - unsigned basic_cols; + if (a->next_elapse < b->next_elapse) + return -1; + if (a->next_elapse > b->next_elapse) + return 1; - id_cols = MIN(max_id_len, 25u); - basic_cols = 1 + id_cols + state_cols; - if (basic_cols < (unsigned) columns()) - id_cols += MIN(columns() - basic_cols, max_id_len - id_cols); - } else - id_cols = max_id_len; + return strcmp(a->id, b->id); +} - if (!arg_no_legend) - printf("%-*s %-*s\n", - id_cols, "UNIT FILE", - state_cols, "STATE"); +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"); - for (u = units; u < units + c; u++) { - _cleanup_free_ char *e = NULL; - const char *on, *off; - const char *id; + const char *on, *off; - if (!output_show_unit_file(u)) - continue; + assert(timer_infos || n == 0); - n_shown++; + for (t = timer_infos; t < timer_infos + n; t++) { + unsigned ul = 0; + char **a; - if (u->state == UNIT_FILE_MASKED || - u->state == UNIT_FILE_MASKED_RUNTIME || - u->state == UNIT_FILE_DISABLED || - u->state == UNIT_FILE_INVALID) { - on = ansi_highlight_red(); - off = ansi_highlight_off(); - } else if (u->state == UNIT_FILE_ENABLED) { - on = ansi_highlight_green(); - off = ansi_highlight_off(); - } else - on = off = ""; + if (t->next_elapse > 0) { + char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = ""; - id = path_get_file_name(u->path); + format_timestamp(tstamp, sizeof(tstamp), t->next_elapse); + nextlen = MAX(nextlen, strlen(tstamp) + 1); - e = arg_full ? NULL : ellipsize(id, id_cols, 33); + format_timestamp_relative(trel, sizeof(trel), t->next_elapse); + leftlen = MAX(leftlen, strlen(trel)); + } - printf("%-*s %s%-*s%s\n", - id_cols, e ? e : id, - on, state_cols, unit_file_state_to_string(u->state), off); - } + if (t->last_trigger > 0) { + char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = ""; - if (!arg_no_legend) - printf("\n%u unit files listed.\n", n_shown); -} + format_timestamp(tstamp, sizeof(tstamp), t->last_trigger); + lastlen = MAX(lastlen, strlen(tstamp) + 1); -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; - unsigned c = 0; - const char *state; - char *path; - int r; + format_timestamp_relative(trel, sizeof(trel), t->last_trigger); + passedlen = MAX(passedlen, strlen(trel)); + } - pager_open_if_enabled(); + unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0)); - if (avoid_bus()) { - Hashmap *h; - UnitFileList *u; - Iterator i; - unsigned n_units; + STRV_FOREACH(a, t->triggered) + ul += strlen(*a) + 2*(a != t->triggered); - h = hashmap_new(string_hash_func, string_compare_func); + activatelen = MAX(activatelen, ul); + } + + if (n > 0) { + if (!arg_no_legend) + printf("%-*s %-*s %-*s %-*s %-*s %s\n", + nextlen, "NEXT", + leftlen, "LEFT", + lastlen, "LAST", + passedlen, "PASSED", + unitlen, "UNIT", + "ACTIVATES"); + + for (t = timer_infos; t < timer_infos + n; t++) { + _cleanup_free_ char *j = NULL; + const char *unit; + char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a"; + char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a"; + char **a; + + format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse); + format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse); + + format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger); + format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger); + + if (t->machine) { + j = strjoin(t->machine, ":", t->id, NULL); + if (!j) + return log_oom(); + unit = j; + } else + unit = t->id; + + printf("%-*s %-*s %-*s %-*s %-*s", + nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit); + + STRV_FOREACH(a, t->triggered) + printf("%s %s", + a == t->triggered ? "" : ",", *a); + printf("\n"); + } + + on = ansi_highlight(); + off = ansi_highlight_off(); + if (!arg_no_legend) + printf("\n"); + } else { + on = ansi_highlight_red(); + off = ansi_highlight_off(); + } + + if (!arg_no_legend) { + printf("%s%u timers listed.%s\n", on, n, off); + if (!arg_all) + printf("Pass --all to see loaded but inactive timers, too.\n"); + } + + return 0; +} + +static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) { + usec_t next_elapse; + + assert(nw); + assert(next); + + if (next->monotonic != USEC_INFINITY && next->monotonic > 0) { + usec_t converted; + + if (next->monotonic > nw->monotonic) + converted = nw->realtime + (next->monotonic - nw->monotonic); + else + converted = nw->realtime - (nw->monotonic - next->monotonic); + + if (next->realtime != USEC_INFINITY && next->realtime > 0) + next_elapse = MIN(converted, next->realtime); + else + next_elapse = converted; + + } else + next_elapse = next->realtime; + + return next_elapse; +} + +static int list_timers(sd_bus *bus, char **args) { + _cleanup_(message_set_freep) Set *replies = NULL; + _cleanup_strv_free_ char **machines = NULL; + _cleanup_free_ struct timer_info *timer_infos = NULL; + _cleanup_free_ UnitInfo *unit_infos = NULL; + struct timer_info *t; + const UnitInfo *u; + size_t size = 0; + int n, c = 0; + dual_timestamp nw; + int r = 0; + + pager_open_if_enabled(); + + n = get_unit_list_recursive(bus, strv_skip_first(args), &unit_infos, &replies, &machines); + if (n < 0) + return n; + + dual_timestamp_get(&nw); + + for (u = unit_infos; u < unit_infos + n; u++) { + _cleanup_strv_free_ char **triggered = NULL; + dual_timestamp next = {}; + usec_t m, last = 0; + + if (!endswith(u->id, ".timer")) + continue; + + r = get_triggered_units(bus, u->unit_path, &triggered); + if (r < 0) + goto cleanup; + + r = get_next_elapse(bus, u->unit_path, &next); + if (r < 0) + goto cleanup; + + get_last_trigger(bus, u->unit_path, &last); + + if (!GREEDY_REALLOC(timer_infos, size, c+1)) { + r = log_oom(); + goto cleanup; + } + + m = calc_next_elapse(&nw, &next); + + timer_infos[c++] = (struct timer_info) { + .machine = u->machine, + .id = u->id, + .next_elapse = m, + .last_trigger = last, + .triggered = triggered, + }; + + triggered = NULL; /* avoid cleanup */ + } + + qsort_safe(timer_infos, c, sizeof(struct timer_info), + (__compar_fn_t) timer_info_compare); + + output_timers_list(timer_infos, c); + + cleanup: + for (t = timer_infos; t < timer_infos + c; t++) + strv_free(t->triggered); + + return r; +} + +static int compare_unit_file_list(const void *a, const void *b) { + const char *d1, *d2; + const UnitFileList *u = a, *v = b; + + d1 = strrchr(u->path, '.'); + d2 = strrchr(v->path, '.'); + + if (d1 && d2) { + int r; + + r = strcasecmp(d1, d2); + if (r != 0) + return r; + } + + return strcasecmp(basename(u->path), basename(v->path)); +} + +static bool output_show_unit_file(const UnitFileList *u, char **patterns) { + if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE)) + return false; + + if (!strv_isempty(arg_types)) { + const char *dot; + + dot = strrchr(u->path, '.'); + if (!dot) + return false; + + if (!strv_find(arg_types, dot+1)) + return false; + } + + if (!strv_isempty(arg_states) && + !strv_find(arg_states, unit_file_state_to_string(u->state))) + return false; + + return true; +} + +static void output_unit_file_list(const UnitFileList *units, unsigned c) { + unsigned max_id_len, id_cols, state_cols; + const UnitFileList *u; + + max_id_len = strlen("UNIT FILE"); + state_cols = strlen("STATE"); + + for (u = units; u < units + c; u++) { + max_id_len = MAX(max_id_len, strlen(basename(u->path))); + state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state))); + } + + if (!arg_full) { + unsigned basic_cols; + + id_cols = MIN(max_id_len, 25u); + basic_cols = 1 + id_cols + state_cols; + if (basic_cols < (unsigned) columns()) + id_cols += MIN(columns() - basic_cols, max_id_len - id_cols); + } else + id_cols = max_id_len; + + if (!arg_no_legend) + printf("%-*s %-*s\n", + id_cols, "UNIT FILE", + state_cols, "STATE"); + + for (u = units; u < units + c; u++) { + _cleanup_free_ char *e = NULL; + const char *on, *off; + const char *id; + + if (u->state == UNIT_FILE_MASKED || + u->state == UNIT_FILE_MASKED_RUNTIME || + u->state == UNIT_FILE_DISABLED || + u->state == UNIT_FILE_INVALID) { + on = ansi_highlight_red(); + off = ansi_highlight_off(); + } else if (u->state == UNIT_FILE_ENABLED) { + on = ansi_highlight_green(); + off = ansi_highlight_off(); + } else + on = off = ""; + + id = basename(u->path); + + e = arg_full ? NULL : ellipsize(id, id_cols, 33); + + printf("%-*s %s%-*s%s\n", + id_cols, e ? e : id, + on, state_cols, unit_file_state_to_string(u->state), off); + } + + if (!arg_no_legend) + printf("\n%u unit files listed.\n", c); +} + +static int list_unit_files(sd_bus *bus, char **args) { + _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + _cleanup_free_ UnitFileList *units = NULL; + UnitFileList *unit; + size_t size = 0; + unsigned c = 0; + const char *state; + char *path; + int r; + + pager_open_if_enabled(); + + if (avoid_bus()) { + Hashmap *h; + UnitFileList *u; + Iterator i; + unsigned n_units; + + h = hashmap_new(&string_hash_ops); if (!h) return log_oom(); r = unit_file_get_list(arg_scope, arg_root, h); if (r < 0) { unit_file_list_free(h); - log_error("Failed to get unit file list: %s", strerror(-r)); + log_error_errno(r, "Failed to get unit file list: %m"); return r; } n_units = hashmap_size(h); + units = new(UnitFileList, n_units); - if (!units) { + if (!units && n_units > 0) { unit_file_list_free(h); return log_oom(); } 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; + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; r = sd_bus_call_method( bus, @@ -899,10 +1398,14 @@ 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); @@ -912,9 +1415,12 @@ static int list_unit_files(sd_bus *bus, char **args) { return bus_log_parse_error(r); } - if (c > 0) { - qsort(units, c, sizeof(UnitFileList), compare_unit_file_list); - output_unit_file_list(units, c); + qsort_safe(units, c, sizeof(UnitFileList), compare_unit_file_list); + output_unit_file_list(units, c); + + if (avoid_bus()) { + for (unit = units; unit < units + c; unit++) + free(unit->path); } return 0; @@ -930,15 +1436,15 @@ 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; } - printf("%s", draw_special_char(branches & (1 << i) ? DRAW_TREE_VERT : DRAW_TREE_SPACE)); + printf("%s", draw_special_char(branches & (1 << i) ? DRAW_TREE_VERTICAL : DRAW_TREE_SPACE)); } 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 +1458,7 @@ 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); @@ -961,16 +1467,18 @@ 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" "RequisiteOverridable\0" - "Wants\0", + "Wants\0" + "BindsTo\0", [DEPENDENCY_REVERSE] = "RequiredBy\0" "RequiredByOverridable\0" "WantedBy\0" - "PartOf\0", + "PartOf\0" + "BoundBy\0", [DEPENDENCY_AFTER] = "After\0", [DEPENDENCY_BEFORE] = "Before\0", }; @@ -984,7 +1492,7 @@ 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 +1578,7 @@ 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 +1586,8 @@ 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 +1597,7 @@ 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)) { + 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 +1606,30 @@ static int list_dependencies_one( continue; } + if (arg_plain) + printf(" "); + else { + int state; + const char *on; + + state = check_one_unit(bus, *c, "activating\0active\0reloading\0", true); + on = state > 0 ? ansi_highlight_green() : ansi_highlight_red(); + printf("%s%s%s ", on, draw_special_char(DRAW_BLACK_CIRCLE), ansi_highlight_off()); + } + r = list_dependencies_print(*c, level, branches, c[1] == NULL); if (r < 0) return r; if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) { - r = list_dependencies_one(bus, *c, level + 1, &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 +1642,7 @@ 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; @@ -1137,25 +1653,249 @@ static int list_dependencies(sd_bus *bus, char **args) { puts(u); - return list_dependencies_one(bus, u, 0, &units, 0); + return list_dependencies_one(bus, u, 0, &units, 0); +} + +struct machine_info { + bool is_host; + char *name; + char *state; + char *control_group; + uint32_t n_failed_units; + uint32_t n_jobs; + usec_t timestamp; +}; + +static const struct bus_properties_map machine_info_property_map[] = { + { "SystemState", "s", NULL, offsetof(struct machine_info, state) }, + { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) }, + { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) }, + { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) }, + { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) }, + {} +}; + +static void free_machines_list(struct machine_info *machine_infos, int n) { + int i; + + if (!machine_infos) + return; + + for (i = 0; i < n; i++) { + free(machine_infos[i].name); + free(machine_infos[i].state); + free(machine_infos[i].control_group); + } + + free(machine_infos); +} + +static int compare_machine_info(const void *a, const void *b) { + const struct machine_info *u = a, *v = b; + + if (u->is_host != v->is_host) + return u->is_host > v->is_host ? -1 : 1; + + return strcasecmp(u->name, v->name); +} + +static int get_machine_properties(sd_bus *bus, struct machine_info *mi) { + _cleanup_bus_close_unref_ sd_bus *container = NULL; + int r; + + assert(mi); + + if (!bus) { + r = sd_bus_open_system_machine(&container, mi->name); + if (r < 0) + return r; + + bus = container; + } + + r = bus_map_all_properties(bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", machine_info_property_map, mi); + if (r < 0) + return r; + + return 0; +} + +static bool output_show_machine(const char *name, char **patterns) { + return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE); +} + +static int get_machine_list( + sd_bus *bus, + struct machine_info **_machine_infos, + char **patterns) { + + struct machine_info *machine_infos = NULL; + _cleanup_strv_free_ char **m = NULL; + _cleanup_free_ char *hn = NULL; + size_t sz = 0; + char **i; + int c = 0; + + hn = gethostname_malloc(); + if (!hn) + return log_oom(); + + if (output_show_machine(hn, patterns)) { + if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) + return log_oom(); + + machine_infos[c].is_host = true; + machine_infos[c].name = hn; + hn = NULL; + + get_machine_properties(bus, &machine_infos[c]); + c++; + } + + sd_get_machine_names(&m); + STRV_FOREACH(i, m) { + _cleanup_free_ char *class = NULL; + + if (!output_show_machine(*i, patterns)) + continue; + + sd_machine_get_class(*i, &class); + if (!streq_ptr(class, "container")) + continue; + + if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) { + free_machines_list(machine_infos, c); + return log_oom(); + } + + machine_infos[c].is_host = false; + machine_infos[c].name = strdup(*i); + if (!machine_infos[c].name) { + free_machines_list(machine_infos, c); + return log_oom(); + } + + get_machine_properties(NULL, &machine_infos[c]); + c++; + } + + *_machine_infos = machine_infos; + return c; +} + +static void output_machines_list(struct machine_info *machine_infos, unsigned n) { + struct machine_info *m; + unsigned + circle_len = 0, + namelen = sizeof("NAME") - 1, + statelen = sizeof("STATE") - 1, + failedlen = sizeof("FAILED") - 1, + jobslen = sizeof("JOBS") - 1; + + assert(machine_infos || n == 0); + + for (m = machine_infos; m < machine_infos + n; m++) { + namelen = MAX(namelen, strlen(m->name) + (m->is_host ? sizeof(" (host)") - 1 : 0)); + statelen = MAX(statelen, m->state ? strlen(m->state) : 0); + failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units)); + jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs)); + + if (!arg_plain && !streq_ptr(m->state, "running")) + circle_len = 2; + } + + if (!arg_no_legend) { + if (circle_len > 0) + fputs(" ", stdout); + + printf("%-*s %-*s %-*s %-*s\n", + namelen, "NAME", + statelen, "STATE", + failedlen, "FAILED", + jobslen, "JOBS"); + } + + for (m = machine_infos; m < machine_infos + n; m++) { + const char *on_state = "", *off_state = ""; + const char *on_failed = "", *off_failed = ""; + bool circle = false; + + if (streq_ptr(m->state, "degraded")) { + on_state = ansi_highlight_red(); + off_state = ansi_highlight_off(); + circle = true; + } else if (!streq_ptr(m->state, "running")) { + on_state = ansi_highlight_yellow(); + off_state = ansi_highlight_off(); + circle = true; + } + + if (m->n_failed_units > 0) { + on_failed = ansi_highlight_red(); + off_failed = ansi_highlight_off(); + } else + on_failed = off_failed = ""; + + if (circle_len > 0) + printf("%s%s%s ", on_state, circle ? draw_special_char(DRAW_BLACK_CIRCLE) : " ", off_state); + + if (m->is_host) + printf("%-*s (host) %s%-*s%s %s%*u%s %*u\n", + (int) (namelen - (sizeof(" (host)")-1)), strna(m->name), + on_state, statelen, strna(m->state), off_state, + on_failed, failedlen, m->n_failed_units, off_failed, + jobslen, m->n_jobs); + else + printf("%-*s %s%-*s%s %s%*u%s %*u\n", + namelen, strna(m->name), + on_state, statelen, strna(m->state), off_state, + on_failed, failedlen, m->n_failed_units, off_failed, + jobslen, m->n_jobs); + } + + if (!arg_no_legend) + printf("\n%u machines listed.\n", n); +} + +static int list_machines(sd_bus *bus, char **args) { + struct machine_info *machine_infos = NULL; + int r; + + assert(bus); + + if (geteuid() != 0) { + log_error("Must be root."); + return -EPERM; + } + + pager_open_if_enabled(); + + r = get_machine_list(bus, &machine_infos, strv_skip_first(args)); + if (r < 0) + return r; + + qsort_safe(machine_infos, r, sizeof(struct machine_info), compare_machine_info); + output_machines_list(machine_infos, r); + free_machines_list(machine_infos, r); + + return 0; } static int get_default(sd_bus *bus, char **args) { _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; - _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_free_ char *_path = NULL; const char *path; int r; if (!bus || avoid_bus()) { r = unit_file_get_default(arg_scope, arg_root, &_path); - if (r < 0) { - log_error("Failed to get default target: %s", strerror(-r)); - return r; - } + if (r < 0) + return log_error_errno(r, "Failed to get default target: %m"); path = _path; } else { + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + r = sd_bus_call_method( bus, "org.freedesktop.systemd1", @@ -1181,12 +1921,80 @@ static int get_default(sd_bus *bus, char **args) { return 0; } +static void dump_unit_file_changes(const UnitFileChange *changes, unsigned n_changes) { + unsigned i; + + assert(changes || n_changes == 0); + + for (i = 0; i < n_changes; i++) { + if (changes[i].type == UNIT_FILE_SYMLINK) + log_info("Created symlink from %s to %s.", changes[i].path, changes[i].source); + else + log_info("Removed symlink %s.", changes[i].path); + } +} + +static int set_default(sd_bus *bus, char **args) { + _cleanup_free_ char *unit = NULL; + UnitFileChange *changes = NULL; + unsigned n_changes = 0; + int r; + + unit = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".target"); + if (!unit) + return log_oom(); + + if (!bus || avoid_bus()) { + r = unit_file_set_default(arg_scope, arg_root, unit, true, &changes, &n_changes); + if (r < 0) + return log_error_errno(r, "Failed to set default target: %m"); + + if (!arg_quiet) + dump_unit_file_changes(changes, n_changes); + + r = 0; + } else { + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + + polkit_agent_open_if_enabled(); + + r = sd_bus_call_method( + bus, + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "SetDefaultTarget", + &error, + &reply, + "sb", unit, 1); + if (r < 0) { + log_error("Failed to set default target: %s", bus_error_message(&error, -r)); + return r; + } + + r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet); + if (r < 0) + return r; + + /* Try to reload if enabled */ + if (!arg_no_reload) + r = daemon_reload(bus, args); + else + r = 0; + } + + unit_file_changes_free(changes, n_changes); + + return r; +} + struct job_info { uint32_t id; const char *name, *type, *state; }; -static void output_jobs_list(const struct job_info* jobs, unsigned n) { +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; @@ -1195,16 +2003,22 @@ static void output_jobs_list(const struct job_info* jobs, unsigned n) { assert(n == 0 || jobs); if (n == 0) { - on = ansi_highlight_green(); - off = ansi_highlight_off(); + if (!arg_no_legend) { + 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 = unit_len = type_len = state_len = 0; + id_len = strlen("JOB"); + unit_len = strlen("UNIT"); + type_len = strlen("TYPE"); + state_len = strlen("STATE"); + for (j = jobs; j < jobs + n; j++) { uint32_t id = j->id; assert(j->name && j->type && j->state); @@ -1220,11 +2034,12 @@ 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; @@ -1243,10 +2058,16 @@ 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); + } +} - printf("\n%s%u jobs listed%s.\n", on, n, off); +static bool output_show_job(struct job_info *job, char **patterns) { + return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE); } static int list_jobs(sd_bus *bus, char **args) { @@ -1258,6 +2079,7 @@ 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, @@ -1278,16 +2100,17 @@ 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); @@ -1296,30 +2119,31 @@ 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; } static int cancel_job(sd_bus *bus, char **args) { - _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; char **name; + int r = 0; assert(args); if (strv_length(args) <= 1) return daemon_reload(bus, args); + polkit_agent_open_if_enabled(); + STRV_FOREACH(name, args+1) { + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; uint32_t id; - int r; + int q; - r = safe_atou32(*name, &id); - if (r < 0) { - log_error("Failed to parse job id \"%s\": %s", *name, strerror(-r)); - return r; - } + q = safe_atou32(*name, &id); + if (q < 0) + return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name); - r = sd_bus_call_method( + q = sd_bus_call_method( bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", @@ -1328,28 +2152,24 @@ static int cancel_job(sd_bus *bus, char **args) { &error, NULL, "u", id); - if (r < 0) { - log_error("Failed to cancel job %u: %s", (unsigned) id, bus_error_message(&error, r)); - return r; + if (q < 0) { + log_error("Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q)); + if (r == 0) + r = q; } } - return 0; + return r; } 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. */ @@ -1361,7 +2181,7 @@ static int need_daemon_reload(sd_bus *bus, const char *unit) { "GetUnit", NULL, &reply, - "s", n); + "s", unit); if (r < 0) return r; @@ -1383,147 +2203,177 @@ static int need_daemon_reload(sd_bus *bus, const char *unit) { return b; } -typedef struct WaitData { - Set *set; +static void warn_unit_file_changed(const char *name) { + log_warning("%sWarning:%s %s changed on disk. Run 'systemctl%s daemon-reload' to reload units.", + ansi_highlight_red(), + ansi_highlight_off(), + name, + arg_scope == UNIT_FILE_SYSTEM ? "" : " --user"); +} - char *name; - char *result; -} WaitData; +static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **unit_path) { + char **p; -static int wait_filter(sd_bus *bus, sd_bus_message *m, void *data) { - WaitData *d = data; + assert(lp); + assert(unit_name); + assert(unit_path); - assert(bus); - assert(m); - assert(d); + STRV_FOREACH(p, lp->unit_path) { + _cleanup_free_ char *path; - log_debug("Got D-Bus request: %s.%s() on %s", - sd_bus_message_get_interface(m), - sd_bus_message_get_member(m), - sd_bus_message_get_path(m)); + path = path_join(arg_root, *p, unit_name); + if (!path) + return log_oom(); - if (sd_bus_message_is_signal(m, "org.freedesktop.DBus.Local", "Disconnected")) { - log_error("Warning! D-Bus connection terminated."); - sd_bus_close(bus); - } else if (sd_bus_message_is_signal(m, "org.freedesktop.systemd1.Manager", "JobRemoved")) { - uint32_t id; - const char *path, *result, *unit; - char *ret; - int r; + if (access(path, F_OK) == 0) { + *unit_path = path; + path = NULL; + return 1; + } + } - r = sd_bus_message_read(m, "uoss", &id, &path, &unit, &result); - if (r >= 0) { - ret = set_remove(d->set, (char*) path); - if (!ret) - return 0; + return 0; +} - free(ret); +static int unit_find_paths( + sd_bus *bus, + const char *unit_name, + bool avoid_bus_cache, + LookupPaths *lp, + char **fragment_path, + char ***dropin_paths) { - if (!isempty(result)) - d->result = strdup(result); + _cleanup_free_ char *path = NULL; + _cleanup_strv_free_ char **dropins = NULL; + int r; - if (!isempty(unit)) - d->name = strdup(unit); + /** + * Finds where the unit is defined on disk. Returns 0 if the unit + * is not found. Returns 1 if it is found, and sets + * - the path to the unit in *path, if it exists on disk, + * - and a strv of existing drop-ins in *dropins, + * if the arg is not NULL and any dropins were found. + */ + + assert(unit_name); + assert(fragment_path); + assert(lp); + + if (!avoid_bus_cache && !unit_name_is_template(unit_name)) { + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_bus_message_unref_ sd_bus_message *unit_load_error = NULL; + _cleanup_free_ char *unit = NULL; + char *unit_load_error_name, *unit_load_error_message; + + unit = unit_dbus_path_from_name(unit_name); + if (!unit) + return log_oom(); - return 0; - } -#ifndef NOLEGACY - r = sd_bus_message_read(m, "uos", &id, &path, &result); - if (r >= 0) { - ret = set_remove(d->set, (char*) path); - if (!ret) - return 0; + if (need_daemon_reload(bus, unit_name) > 0) + warn_unit_file_changed(unit_name); - free(ret); + r = sd_bus_get_property( + bus, + "org.freedesktop.systemd1", + unit, + "org.freedesktop.systemd1.Unit", + "LoadError", + &error, + &unit_load_error, + "(ss)"); + if (r < 0) + return log_error_errno(r, "Failed to get LoadError: %s", bus_error_message(&error, r)); - if (*result) - d->result = strdup(result); + r = sd_bus_message_read( + unit_load_error, + "(ss)", + &unit_load_error_name, + &unit_load_error_message); + if (r < 0) + return bus_log_parse_error(r); + if (!isempty(unit_load_error_name)) { + log_error("Unit %s is not loaded: %s", unit_name, unit_load_error_message); return 0; } -#endif - - log_error("Failed to parse message."); - } - return 0; -} + r = sd_bus_get_property_string( + bus, + "org.freedesktop.systemd1", + unit, + "org.freedesktop.systemd1.Unit", + "FragmentPath", + &error, + &path); + if (r < 0) + return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r)); -static int enable_wait_for_jobs(sd_bus *bus) { - int r; + if (dropin_paths) { + r = sd_bus_get_property_strv( + bus, + "org.freedesktop.systemd1", + unit, + "org.freedesktop.systemd1.Unit", + "DropInPaths", + &error, + &dropins); + if (r < 0) + return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r)); + } + } else { + _cleanup_set_free_ Set *names; - assert(bus); + names = set_new(NULL); + if (!names) + return -ENOMEM; - r = sd_bus_add_match( - bus, - "type='signal'," - "sender='org.freedesktop.systemd1'," - "interface='org.freedesktop.systemd1.Manager'," - "member='JobRemoved'," - "path='/org/freedesktop/systemd1'", - NULL, NULL); - if (r < 0) { - log_error("Failed to add match"); - return -EIO; - } + r = set_put(names, unit_name); + if (r < 0) + return r; - /* This is slightly dirty, since we don't undo the match registrations. */ - return 0; -} + r = unit_file_find_path(lp, unit_name, &path); + if (r < 0) + return r; -static int wait_for_jobs(sd_bus *bus, Set *s) { - WaitData d = { .set = s }; - int r; + if (r == 0) { + _cleanup_free_ char *template; - assert(bus); - assert(s); + template = unit_name_template(unit_name); + if (!template) + return log_oom(); - r = sd_bus_add_filter(bus, wait_filter, &d); - if (r < 0) - return log_oom(); + if (!streq(template, unit_name)) { + r = unit_file_find_path(lp, template, &path); + if (r < 0) + return r; + } + } - while (!set_isempty(s)) { - for(;;) { - r = sd_bus_process(bus, NULL); + if (dropin_paths) { + r = unit_file_find_dropin_paths(lp->unit_path, NULL, names, &dropins); if (r < 0) return r; - if (r > 0) - break; - r = sd_bus_wait(bus, (uint64_t) -1); - if (r < 0) - return r; - } - - 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 (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; + r = 0; - free(d.result); - d.result = NULL; + if (!isempty(path)) { + *fragment_path = path; + path = NULL; + r = 1; + } - free_name: - free(d.name); - d.name = NULL; + if (dropin_paths && !strv_isempty(dropins)) { + *dropin_paths = dropins; + dropins = NULL; + r = 1; } - return sd_bus_remove_filter(bus, wait_filter, &d); + if (r == 0) + log_error("No files found for %s.", unit_name); + + return r; } static int check_one_unit(sd_bus *bus, const char *name, const char *good_states, bool quiet) { @@ -1534,7 +2384,7 @@ 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(); @@ -1591,7 +2441,7 @@ 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(); @@ -1630,10 +2480,8 @@ static int check_triggering_units( STRV_FOREACH(i, triggered_by) { r = check_one_unit(bus, *i, "active\0reloading\0", true); - if (r < 0) { - log_error("Failed to check unit: %s", strerror(-r)); - return r; - } + if (r < 0) + return log_error_errno(r, "Failed to check unit: %m"); if (r == 0) continue; @@ -1649,16 +2497,52 @@ static int check_triggering_units( return 0; } +static const struct { + const char *verb; + const char *method; +} unit_actions[] = { + { "start", "StartUnit" }, + { "stop", "StopUnit" }, + { "condstop", "StopUnit" }, + { "reload", "ReloadUnit" }, + { "restart", "RestartUnit" }, + { "try-restart", "TryRestartUnit" }, + { "condrestart", "TryRestartUnit" }, + { "reload-or-restart", "ReloadOrRestartUnit" }, + { "reload-or-try-restart", "ReloadOrTryRestartUnit" }, + { "condreload", "ReloadOrTryRestartUnit" }, + { "force-reload", "ReloadOrTryRestartUnit" } +}; + +static const char *verb_to_method(const char *verb) { + uint i; + + for (i = 0; i < ELEMENTSOF(unit_actions); i++) + if (streq_ptr(unit_actions[i].verb, verb)) + return unit_actions[i].method; + + return "StartUnit"; +} + +static const char *method_to_verb(const char *method) { + uint i; + + for (i = 0; i < ELEMENTSOF(unit_actions); i++) + if (streq_ptr(unit_actions[i].method, method)) + return unit_actions[i].verb; + + return "n/a"; +} + static int start_unit_one( sd_bus *bus, const char *method, const char *name, const char *mode, sd_bus_error *error, - Set *s) { + BusWaitForJobs *w) { _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; - _cleanup_free_ char *n; const char *path; int r; @@ -1667,9 +2551,7 @@ 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, @@ -1679,14 +2561,18 @@ 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; } @@ -1694,22 +2580,64 @@ static int start_unit_one( if (r < 0) return bus_log_parse_error(r); - if (need_daemon_reload(bus, n) > 0) - log_warning("Warning: Unit file of %s changed on disk, 'systemctl%s daemon-reload' recommended.", - n, arg_scope == UNIT_FILE_SYSTEM ? "" : " --user"); + if (need_daemon_reload(bus, name) > 0) + warn_unit_file_changed(name); + + if (w) { + log_debug("Adding %s to the set", path); + r = bus_wait_for_jobs_add(w, path); + if (r < 0) + return log_oom(); + } + + return 0; +} - if (s) { - char *p; +static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) { - p = strdup(path); - if (!p) + _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(); - r = set_consume(s, p); + if (string_is_glob(t)) + r = strv_consume(&globs, t); + else + r = strv_consume(&mangled, t); if (r < 0) return log_oom(); } + /* Query the manager only if any of the names are a glob, since + * this is fairly expensive */ + if (!strv_isempty(globs)) { + _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + _cleanup_free_ UnitInfo *unit_infos = NULL; + + if (!bus) + return log_error_errno(ENOTSUP, "Unit name globbing without bus is not implemented."); + + r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply); + if (r < 0) + return r; + + for (i = 0; i < r; i++) + if (strv_extend(&mangled, unit_infos[i].id) < 0) + return log_oom(); + } + + *ret = mangled; + mangled = NULL; /* do not free */ + return 0; } @@ -1746,37 +2674,27 @@ 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; - const char *method, *mode, *one_name; + _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL; + const char *method, *mode, *one_name, *suffix = NULL; + _cleanup_strv_free_ char **names = NULL; char **name; - int r; + int r = 0; assert(bus); ask_password_agent_open_if_enabled(); + polkit_agent_open_if_enabled(); if (arg_action == ACTION_SYSTEMCTL) { enum action action; - method = - 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" : - action_table[action].mode ?: arg_job_mode; + if (streq(args[0], "isolate")) { + mode = "isolate"; + suffix = ".target"; + } else + mode = action_table[action].mode ?: arg_job_mode; one_name = action_table[action].target; } else { @@ -1789,52 +2707,41 @@ static int start_unit(sd_bus *bus, char **args) { one_name = action_table[arg_action].target; } - if (!arg_no_block) { - r = enable_wait_for_jobs(bus); - if (r < 0) { - log_error("Could not watch jobs: %s", strerror(-r)); - return r; - } - - s = set_new(string_hash_func, string_compare_func); - if (!s) - return log_oom(); + if (one_name) + names = strv_new(one_name, NULL); + else { + r = expand_names(bus, args + 1, suffix, &names); + if (r < 0) + log_error_errno(r, "Failed to expand names: %m"); } - if (one_name) { - r = start_unit_one(bus, method, one_name, mode, &error, s); + if (!arg_no_block) { + r = bus_wait_for_jobs_new(bus, &w); if (r < 0) - r = translate_bus_error_to_exit_status(r, &error); - } else { - r = 0; + return log_error_errno(r, "Could not watch jobs: %m"); + } - 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, w); + if (r >= 0 && q < 0) + r = translate_bus_error_to_exit_status(q, &error); } if (!arg_no_block) { int q; - q = wait_for_jobs(bus, s); + q = bus_wait_for_jobs(w, arg_quiet); if (q < 0) return q; /* When stopping units, warn if they can still be triggered by * another active unit (socket, path, timer) */ - if (!arg_quiet && streq(method, "StopUnit")) { - 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; @@ -1887,7 +2794,7 @@ static int reboot_with_logind(sd_bus *bus, enum action a) { method, &error, NULL, - "b", true); + "b", arg_ask_password); if (r < 0) log_error("Failed to execute operation: %s", bus_error_message(&error, r)); @@ -1899,7 +2806,6 @@ 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; @@ -1961,8 +2867,8 @@ static int check_inhibitors(sd_bus *bus, enum action a) { get_process_comm(pid, &comm); user = uid_to_name(uid); - log_warning("Operation inhibited by \"%s\" (PID %lu \"%s\", user %s), reason is \"%s\".", - who, (unsigned long) pid, strna(comm), strna(user), why); + log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".", + who, pid, strna(comm), strna(user), why); c++; } @@ -2025,11 +2931,17 @@ static int start_special(sd_bus *bus, char **args) { return -EPERM; } + if (a == ACTION_REBOOT && args[1]) { + r = update_reboot_param_file(args[1]); + if (r < 0) + return r; + } + if (arg_force >= 2 && (a == ACTION_HALT || a == ACTION_POWEROFF || a == ACTION_REBOOT)) - halt_now(a); + return halt_now(a); if (arg_force >= 1 && (a == ACTION_HALT || @@ -2047,7 +2959,7 @@ static int start_special(sd_bus *bus, char **args) { a == ACTION_HIBERNATE || a == ACTION_HYBRID_SLEEP)) { r = reboot_with_logind(bus, a); - if (r >= 0) + if (r >= 0 || IN_SET(r, -ENOTSUP, -EINPROGRESS)) return r; } @@ -2058,65 +2970,61 @@ 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) + return log_error_errno(r, "Failed to expand names: %m"); + + 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; - } - - return r; +static int check_unit_active(sd_bus *bus, char **args) { + /* According to LSB: 3, "program is not running" */ + return check_unit_generic(bus, 3, "active\0reloading\0", args + 1); +} + +static int check_unit_failed(sd_bus *bus, char **args) { + return check_unit_generic(bus, 1, "failed\0", args + 1); } static int kill_unit(sd_bus *bus, char **args) { - _cleanup_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); + polkit_agent_open_if_enabled(); + if (!arg_kill_who) arg_kill_who = "all"; - STRV_FOREACH(name, args+1) { - _cleanup_free_ char *n = NULL; + r = expand_names(bus, args + 1, NULL, &names); + if (r < 0) + log_error_errno(r, "Failed to expand names: %m"); - n = unit_name_mangle(*name); - if (!n) - return log_oom(); + STRV_FOREACH(name, names) { + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - r = sd_bus_call_method( + q = sd_bus_call_method( bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", @@ -2124,14 +3032,15 @@ 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, q)); + if (r == 0) + r = q; } } - return 0; + return r; } typedef struct ExecStatusInfo { @@ -2218,6 +3127,7 @@ typedef struct UnitStatusInfo { const char *active_state; const char *sub_state; const char *unit_file_state; + const char *unit_file_preset; const char *description; const char *following; @@ -2247,6 +3157,7 @@ typedef struct UnitStatusInfo { const char *status_text; const char *pid_file; bool running:1; + int status_errno; usec_t start_timestamp; usec_t exit_timestamp; @@ -2258,7 +3169,14 @@ typedef struct UnitStatusInfo { bool failed_condition_trigger; bool failed_condition_negate; const char *failed_condition; - const char *failed_condition_param; + const char *failed_condition_parameter; + + usec_t assert_timestamp; + bool assert_result; + bool failed_assert_trigger; + bool failed_assert_negate; + const char *failed_assert; + const char *failed_assert_parameter; /* Socket */ unsigned n_accepted; @@ -2277,6 +3195,10 @@ typedef struct UnitStatusInfo { /* Swap */ const char *what; + /* CGroup */ + uint64_t memory_current; + uint64_t memory_limit; + LIST_HEAD(ExecStatusInfo, exec); } UnitStatusInfo; @@ -2285,17 +3207,11 @@ 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; const char *path; - 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; char **t, **t2; assert(i); @@ -2303,7 +3219,16 @@ 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); @@ -2324,7 +3249,10 @@ static void print_status_info( if (i->load_error) printf(" Loaded: %s%s%s (Reason: %s)\n", on, strna(i->load_state), off, i->load_error); - else if (path && i->unit_file_state) + else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset)) + printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n", + on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset); + else if (path && !isempty(i->unit_file_state)) printf(" Loaded: %s%s%s (%s; %s)\n", on, strna(i->load_state), off, path, i->unit_file_state); else if (path) @@ -2357,27 +3285,17 @@ 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); @@ -2403,7 +3321,8 @@ static void print_status_info( s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp); s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp); - printf(" start condition failed at %s%s%s\n", + printf("Condition: start %scondition failed%s at %s%s%s\n", + ansi_highlight_yellow(), ansi_highlight_off(), s2, s1 ? "; " : "", s1 ? s1 : ""); if (i->failed_condition_trigger) printf(" none of the trigger conditions were met\n"); @@ -2411,7 +3330,23 @@ static void print_status_info( printf(" %s=%s%s was not met\n", i->failed_condition, i->failed_condition_negate ? "!" : "", - i->failed_condition_param); + i->failed_condition_parameter); + } + + if (!i->assert_result && i->assert_timestamp > 0) { + s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp); + s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp); + + printf(" Assert: start %sassertion failed%s at %s%s%s\n", + ansi_highlight_red(), ansi_highlight_off(), + s2, s1 ? "; " : "", s1 ? s1 : ""); + if (i->failed_assert_trigger) + printf(" none of the trigger assertions were met\n"); + else if (i->failed_assert) + printf(" %s=%s%s was not met\n", + i->failed_assert, + i->failed_assert_negate ? "!" : "", + i->failed_assert_parameter); } if (i->sysfs_path) @@ -2439,7 +3374,7 @@ static void print_status_info( continue; argv = strv_join(p->argv, " "); - printf(" Process: %u %s=%s ", p->pid, p->name, strna(argv)); + printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv)); good = is_clean_exit_lsb(p->code, p->status, NULL); if (!good) { @@ -2476,7 +3411,7 @@ static void print_status_info( if (i->main_pid > 0 || i->control_pid > 0) { if (i->main_pid > 0) { - printf(" Main PID: %u", (unsigned) i->main_pid); + printf(" Main PID: "PID_FMT, i->main_pid); if (i->running) { _cleanup_free_ char *comm = NULL; @@ -2507,7 +3442,7 @@ static void print_status_info( if (i->control_pid > 0) { _cleanup_free_ char *c = NULL; - printf(" %8s: %u", i->main_pid ? "" : " Control", (unsigned) i->control_pid); + printf(" %8s: "PID_FMT, i->main_pid ? "" : " Control", i->control_pid); get_process_comm(i->control_pid, &c); if (c) @@ -2519,17 +3454,31 @@ static void print_status_info( if (i->status_text) printf(" Status: \"%s\"\n", i->status_text); + if (i->status_errno > 0) + printf(" Error: %i (%s)\n", i->status_errno, strerror(i->status_errno)); + + if (i->memory_current != (uint64_t) -1) { + char buf[FORMAT_BYTES_MAX]; + + printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current)); + + if (i->memory_limit != (uint64_t) -1) + printf(" (limit: %s)\n", format_bytes(buf, sizeof(buf), i->memory_limit)); + else + printf("\n"); + } if (i->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_MACHINE) || cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, i->control_group, false) == 0))) { unsigned c; printf(" CGroup: %s\n", i->control_group); - if (arg_transport == BUS_TRANSPORT_LOCAL || arg_transport == BUS_TRANSPORT_CONTAINER) { + if (arg_transport == BUS_TRANSPORT_LOCAL || arg_transport == BUS_TRANSPORT_MACHINE) { unsigned k = 0; pid_t extra[2]; - char prefix[] = " "; + static const char prefix[] = " "; c = columns(); if (c > sizeof(prefix) - 1) @@ -2543,30 +3492,27 @@ 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, get_output_flags()); } } if (i->id && arg_transport == BUS_TRANSPORT_LOCAL) { - printf("\n"); - show_journal_by_unit(stdout, - i->id, - arg_output, - 0, - i->inactive_exit_timestamp_monotonic, - arg_lines, - getuid(), - flags, - arg_scope == UNIT_FILE_SYSTEM, - ellipsized); + show_journal_by_unit( + stdout, + i->id, + arg_output, + 0, + i->inactive_exit_timestamp_monotonic, + arg_lines, + getuid(), + get_output_flags() | OUTPUT_BEGIN_NEWLINE, + SD_JOURNAL_LOCAL_ONLY, + arg_scope == UNIT_FILE_SYSTEM, + ellipsized); } if (i->need_daemon_reload) - printf("\n%sWarning:%s Unit file changed on disk, 'systemctl %sdaemon-reload' recommended.\n", - ansi_highlight_red(), - ansi_highlight_off(), - arg_scope == UNIT_FILE_SYSTEM ? "" : "--user "); + warn_unit_file_changed(i->id); } static void show_unit_help(UnitStatusInfo *i) { @@ -2579,50 +3525,11 @@ static void show_unit_help(UnitStatusInfo *i) { return; } - STRV_FOREACH(p, i->documentation) { - - if (startswith(*p, "man:")) { - const char *args[4] = { "man", NULL, NULL, NULL }; - _cleanup_free_ char *page = NULL, *section = NULL; - char *e = NULL; - pid_t pid; - size_t k; - - k = strlen(*p); - - if ((*p)[k-1] == ')') - e = strrchr(*p, '('); - - if (e) { - page = strndup((*p) + 4, e - *p - 4); - section = strndup(e + 1, *p + k - e - 2); - if (!page || !section) { - log_oom(); - return; - } - - args[1] = section; - args[2] = page; - } else - args[1] = *p + 4; - - pid = fork(); - if (pid < 0) { - log_error("Failed to fork: %m"); - continue; - } - - if (pid == 0) { - /* Child */ - execvp(args[0], (char**) args); - log_error("Failed to execute man: %m"); - _exit(EXIT_FAILURE); - } - - wait_for_terminate(pid, NULL); - } else + STRV_FOREACH(p, i->documentation) + if (startswith(*p, "man:")) + show_man_page(*p + 4, false); + else log_info("Can't show: %s", *p); - } } static int status_property(const char *name, sd_bus_message *m, UnitStatusInfo *i, const char *contents) { @@ -2680,6 +3587,8 @@ static int status_property(const char *name, sd_bus_message *m, UnitStatusInfo * i->following = s; else if (streq(name, "UnitFileState")) i->unit_file_state = s; + else if (streq(name, "UnitFilePreset")) + i->unit_file_preset = s; else if (streq(name, "Result")) i->result = s; } @@ -2700,6 +3609,8 @@ static int status_property(const char *name, sd_bus_message *m, UnitStatusInfo * i->need_daemon_reload = b; else if (streq(name, "ConditionResult")) i->condition_result = b; + else if (streq(name, "AssertResult")) + i->assert_result = b; break; } @@ -2740,6 +3651,8 @@ static int status_property(const char *name, sd_bus_message *m, UnitStatusInfo * i->exit_code = (int) j; else if (streq(name, "ExecMainStatus")) i->exit_status = (int) j; + else if (streq(name, "StatusErrno")) + i->status_errno = (int) j; break; } @@ -2767,6 +3680,12 @@ static int status_property(const char *name, sd_bus_message *m, UnitStatusInfo * i->active_exit_timestamp = (usec_t) u; else if (streq(name, "ConditionTimestamp")) i->condition_timestamp = (usec_t) u; + else if (streq(name, "AssertTimestamp")) + i->assert_timestamp = (usec_t) u; + else if (streq(name, "MemoryCurrent")) + i->memory_current = u; + else if (streq(name, "MemoryLimit")) + i->memory_limit = u; break; } @@ -2859,7 +3778,32 @@ static int status_property(const char *name, sd_bus_message *m, UnitStatusInfo * i->failed_condition = cond; i->failed_condition_trigger = trigger; i->failed_condition_negate = negate; - i->failed_condition_param = param; + i->failed_condition_parameter = param; + } + } + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Asserts")) { + const char *cond, *param; + int trigger, negate; + int32_t state; + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, ¶m, &state)) > 0) { + log_debug("%s %d %d %s %d", cond, trigger, negate, param, state); + if (state < 0 && (!trigger || !i->failed_assert)) { + i->failed_assert = cond; + i->failed_assert_trigger = trigger; + i->failed_assert_negate = negate; + i->failed_assert_parameter = param; } } if (r < 0) @@ -2913,8 +3857,11 @@ 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]) { @@ -2928,7 +3875,7 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte return bus_log_parse_error(r); if (u > 0) - printf("%s=%u\n", name, (unsigned) u); + printf("%s=%"PRIu32"\n", name, u); else if (arg_all) printf("%s=\n", name); @@ -2956,6 +3903,48 @@ 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; } @@ -3057,14 +4046,14 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte tt = strv_join(info.argv, " "); - printf("%s={ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid=%u ; code=%s ; status=%i%s%s }\n", + printf("%s={ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }\n", name, strna(info.path), strna(tt), yes_no(info.ignore), strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)), strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)), - (unsigned) info. pid, + info.pid, sigchld_code_to_string(info.code), info.status, info.code == CLD_EXITED ? "" : "/", @@ -3167,13 +4156,18 @@ static int show_one( _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - UnitStatusInfo info = {}; + UnitStatusInfo info = { + .memory_current = (uint64_t) -1, + .memory_limit = (uint64_t) -1, + }; ExecStatusInfo *p; int r; assert(path); assert(new_line); + log_debug("Showing one %s", path); + r = sd_bus_call_method( bus, "org.freedesktop.systemd1", @@ -3252,8 +4246,8 @@ 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 */ @@ -3271,16 +4265,14 @@ 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( @@ -3293,15 +4285,20 @@ static int show_one_by_pid( &reply, "u", pid); if (r < 0) { - log_error("Failed to get unit for PID %lu: %s", (unsigned long) pid, bus_error_message(&error, r)); + log_error("Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r)); return r; } - r = sd_bus_message_read(reply, "o", &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( @@ -3311,17 +4308,18 @@ 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; + int r, ret = 0; - r = get_unit_list(bus, &reply, &unit_infos); + 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); @@ -3329,28 +4327,80 @@ static int show_all( for (u = unit_infos; u < unit_infos + c; u++) { _cleanup_free_ char *p = NULL; - if (!output_show_unit(u)) - continue; - p = unit_dbus_path_from_name(u->id); if (!p) return log_oom(); - printf("%s -> '%s'\n", u->id, p); - r = show_one(verb, bus, p, show_properties, new_line, ellipsized); - if (r != 0) + if (r < 0) return r; + else if (r > 0 && ret == 0) + ret = r; + } + + return ret; +} + +static int show_system_status(sd_bus *bus) { + char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX]; + _cleanup_free_ char *hn = NULL; + struct machine_info mi = {}; + const char *on, *off; + int r; + + hn = gethostname_malloc(); + if (!hn) + return log_oom(); + + r = bus_map_all_properties(bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", machine_info_property_map, &mi); + if (r < 0) + return log_error_errno(r, "Failed to read server status: %m"); + + if (streq_ptr(mi.state, "degraded")) { + on = ansi_highlight_red(); + off = ansi_highlight_off(); + } else if (!streq_ptr(mi.state, "running")) { + on = ansi_highlight_yellow(); + off = ansi_highlight_off(); + } else + on = off = ""; + + printf("%s%s%s %s\n", on, draw_special_char(DRAW_BLACK_CIRCLE), off, arg_host ? arg_host : hn); + + printf(" State: %s%s%s\n", + on, strna(mi.state), off); + + printf(" Jobs: %u queued\n", mi.n_jobs); + printf(" Failed: %u units\n", mi.n_failed_units); + + printf(" Since: %s; %s\n", + format_timestamp(since2, sizeof(since2), mi.timestamp), + format_timestamp_relative(since1, sizeof(since1), mi.timestamp)); + + printf(" CGroup: %s\n", mi.control_group ?: "/"); + if (arg_transport == BUS_TRANSPORT_LOCAL || arg_transport == BUS_TRANSPORT_MACHINE) { + static const char prefix[] = " "; + unsigned c; + + c = columns(); + if (c > sizeof(prefix) - 1) + c -= sizeof(prefix) - 1; + else + c = 0; + + show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, false, get_output_flags()); } + free(mi.state); + free(mi.control_group); + return 0; } static int show(sd_bus *bus, char **args) { - 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); @@ -3366,46 +4416,72 @@ 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) { + if (show_status && strv_length(args) <= 1) { + + pager_open_if_enabled(); + show_system_status(bus); + new_line = true; + + if (arg_all) + ret = show_all(args[0], bus, false, &new_line, &ellipsized); + } else { + _cleanup_free_ char **patterns = NULL; + char **name; + + STRV_FOREACH(name, args + 1) { + _cleanup_free_ char *unit = NULL; uint32_t id; if (safe_atou32(*name, &id) < 0) { - _cleanup_free_ char *p = NULL, *n = NULL; - /* Interpret as unit name */ - - n = unit_name_mangle(*name); - if (!n) + if (strv_push(&patterns, *name) < 0) return log_oom(); - p = unit_dbus_path_from_name(n); - if (!p) + continue; + } else if (show_properties) { + /* Interpret as job id */ + 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) + } else { + /* Interpret as PID */ + r = get_unit_dbus_path_by_pid(bus, id, &unit); + if (r < 0) { ret = r; + continue; + } + } - } else if (show_properties) { - _cleanup_free_ char *p = NULL; + r = show_one(args[0], bus, unit, show_properties, + &new_line, &ellipsized); + if (r < 0) + return r; + else if (r > 0 && ret == 0) + ret = r; + } - /* Interpret as job id */ - if (asprintf(&p, "/org/freedesktop/systemd1/job/%u", id) < 0) - return log_oom(); + if (!strv_isempty(patterns)) { + _cleanup_strv_free_ char **names = NULL; - r = show_one(args[0], bus, p, show_properties, &new_line, &ellipsized); - if (r != 0) - ret = r; + r = expand_names(bus, patterns, NULL, &names); + if (r < 0) + log_error_errno(r, "Failed to expand names: %m"); - } else { - /* Interpret as PID */ - r = show_one_by_pid(args[0], bus, id, &new_line, &ellipsized); - if (r != 0) + STRV_FOREACH(name, names) { + _cleanup_free_ char *unit; + + unit = unit_dbus_path_from_name(*name); + if (!unit) + return log_oom(); + + r = show_one(args[0], bus, unit, show_properties, + &new_line, &ellipsized); + if (r < 0) + return r; + else if (r > 0 && ret == 0) ret = r; } } + } if (ellipsized && !arg_quiet) printf("Hint: Some lines were ellipsized, use -l to show in full.\n"); @@ -3413,161 +4489,109 @@ static int show(sd_bus *bus, char **args) { return ret; } -static int append_assignment(sd_bus_message *m, const char *assignment) { - const char *eq; - char *field; +static int init_home_and_lookup_paths(char **user_home, char **user_runtime, LookupPaths *lp) { int r; - assert(m); - assert(assignment); + assert(user_home); + assert(user_runtime); + assert(lp); - eq = strchr(assignment, '='); - if (!eq) { - log_error("Not an assignment: %s", assignment); - return -EINVAL; - } + if (arg_scope == UNIT_FILE_USER) { + r = user_config_home(user_home); + if (r < 0) + return log_error_errno(r, "Failed to query XDG_CONFIG_HOME: %m"); + else if (r == 0) + return log_error_errno(ENOTDIR, "Cannot find units: $XDG_CONFIG_HOME and $HOME are not set."); - field = strndupa(assignment, eq - assignment); - eq ++; + r = user_runtime_dir(user_runtime); + if (r < 0) + return log_error_errno(r, "Failed to query XDG_CONFIG_HOME: %m"); + else if (r == 0) + return log_error_errno(ENOTDIR, "Cannot find units: $XDG_RUNTIME_DIR is not set."); + } - r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field); + r = lookup_paths_init_from_scope(lp, arg_scope, arg_root); if (r < 0) - return bus_log_create_error(r); - - if (streq(field, "CPUAccounting") || - streq(field, "MemoryAccounting") || - streq(field, "BlockIOAccounting")) { - - r = parse_boolean(eq); - if (r < 0) { - log_error("Failed to parse boolean assignment %s.", assignment); - return -EINVAL; - } - - r = sd_bus_message_append(m, "v", "b", r); - - } else if (streq(field, "MemoryLimit")) { - off_t bytes; - - r = parse_bytes(eq, &bytes); - if (r < 0) { - log_error("Failed to parse bytes specification %s", assignment); - return -EINVAL; - } - - r = sd_bus_message_append(m, "v", "t", (uint64_t) bytes); - - } else if (streq(field, "CPUShares") || streq(field, "BlockIOWeight")) { - uint64_t u; - - r = safe_atou64(eq, &u); - if (r < 0) { - log_error("Failed to parse %s value %s.", field, eq); - return -EINVAL; - } - - r = sd_bus_message_append(m, "v", "t", u); - - } else if (streq(field, "DevicePolicy")) - r = sd_bus_message_append(m, "v", "s", eq); + return log_error_errno(r, "Failed to query unit lookup paths: %m"); - 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; + return 0; +} - e = strchr(eq, ' '); - if (e) { - path = strndupa(eq, e - eq); - rwm = e+1; - } else { - path = eq; - rwm = ""; - } +static int cat(sd_bus *bus, char **args) { + _cleanup_free_ char *user_home = NULL; + _cleanup_free_ char *user_runtime = NULL; + _cleanup_lookup_paths_free_ LookupPaths lp = {}; + _cleanup_strv_free_ char **names = NULL; + char **name; + bool first = true, avoid_bus_cache; + int r = 0; - if (!path_startswith(path, "/dev")) { - log_error("%s is not a device file in /dev.", path); - return -EINVAL; - } + assert(args); - r = sd_bus_message_append(m, "v", "a(ss)", 1, path, rwm); - } + if (arg_transport != BUS_TRANSPORT_LOCAL) { + log_error("Cannot remotely cat units"); + return -EINVAL; + } - } else if (streq(field, "BlockIOReadBandwidth") || streq(field, "BlockIOWriteBandwidth")) { + r = init_home_and_lookup_paths(&user_home, &user_runtime, &lp); + if (r < 0) + return r; - 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; - } + r = expand_names(bus, args + 1, NULL, &names); + if (r < 0) + return log_error_errno(r, "Failed to expand names: %m"); - if (!path_startswith(path, "/dev")) { - log_error("%s is not a device file in /dev.", path); - return -EINVAL; - } + avoid_bus_cache = !bus || avoid_bus(); - r = parse_bytes(bandwidth, &bytes); - if (r < 0) { - log_error("Failed to parse byte value %s.", bandwidth); - return -EINVAL; - } + pager_open_if_enabled(); - r = sd_bus_message_append(m, "v", "a(st)", 1, path, (uint64_t) bytes); - } + STRV_FOREACH(name, names) { + _cleanup_free_ char *fragment_path = NULL; + _cleanup_strv_free_ char **dropin_paths = NULL; + char **path; - } else if (streq(field, "BlockIODeviceWeight")) { + r = unit_find_paths(bus, *name, avoid_bus_cache, &lp, &fragment_path, &dropin_paths); + if (r < 0) + return r; + else if (r == 0) + return -ENOENT; - if (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 (first) + first = false; + else + puts(""); - if (!path_startswith(path, "/dev")) { - log_error("%s is not a device file in /dev.", path); - return -EINVAL; - } + if (fragment_path) { + printf("%s# %s%s\n", + ansi_highlight_blue(), + fragment_path, + ansi_highlight_off()); + fflush(stdout); - r = safe_atou64(weight, &u); + r = copy_file_fd(fragment_path, STDOUT_FILENO, false); if (r < 0) { - log_error("Failed to parse %s value %s.", field, weight); - return -EINVAL; + log_warning_errno(r, "Failed to cat %s: %m", fragment_path); + continue; } - r = sd_bus_message_append(m, "v", "a(st)", path, u); } - } else { - log_error("Unknown assignment %s.", assignment); - 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); - if (r < 0) - return bus_log_create_error(r); + r = copy_file_fd(*path, STDOUT_FILENO, false); + if (r < 0) { + log_warning_errno(r, "Failed to cat %s: %m", *path); + continue; + } + } + } - return 0; + return r < 0 ? r : 0; } static int set_property(sd_bus *bus, char **args) { @@ -3577,17 +4601,19 @@ static int set_property(sd_bus *bus, char **args) { char **i; int r; + polkit_agent_open_if_enabled(); + r = sd_bus_message_new_method_call( bus, + &m, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", - "SetUnitProperties", - &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(); @@ -3604,7 +4630,7 @@ 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; @@ -3617,7 +4643,7 @@ 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; @@ -3633,8 +4659,10 @@ static int snapshot(sd_bus *bus, char **args) { const char *path; int r; + polkit_agent_open_if_enabled(); + 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) @@ -3678,20 +4706,23 @@ 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; assert(args); - STRV_FOREACH(name, args+1) { - _cleanup_free_ char *n = NULL; + polkit_agent_open_if_enabled(); - 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_errno(r, "Failed to expand names: %m"); - r = sd_bus_call_method( + STRV_FOREACH(name, names) { + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + int q; + + q = sd_bus_call_method( bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", @@ -3699,14 +4730,15 @@ 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, q)); + if (r == 0) + r = q; } } - return 0; + return r; } static int daemon_reload(sd_bus *bus, char **args) { @@ -3714,6 +4746,8 @@ static int daemon_reload(sd_bus *bus, char **args) { const char *method; int r; + polkit_agent_open_if_enabled(); + if (arg_action == ACTION_RELOAD) method = "Reload"; else if (arg_action == ACTION_REEXEC) @@ -3743,7 +4777,6 @@ static int daemon_reload(sd_bus *bus, char **args) { &error, NULL, NULL); - if (r == -ENOENT && arg_action != ACTION_SYSTEMCTL) /* There's always a fallback possible for * legacy actions. */ @@ -3755,25 +4788,27 @@ 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; + polkit_agent_open_if_enabled(); - n = unit_name_mangle(*name); - if (!n) - return log_oom(); + r = expand_names(bus, args + 1, NULL, &names); + if (r < 0) + log_error_errno(r, "Failed to expand names: %m"); - r = sd_bus_call_method( + STRV_FOREACH(name, names) { + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + + q = sd_bus_call_method( bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", @@ -3781,14 +4816,15 @@ 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, q)); + if (r == 0) + r = q; } } - return 0; + return r; } static int show_environment(sd_bus *bus, char **args) { @@ -3831,8 +4867,8 @@ 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; @@ -3845,20 +4881,33 @@ 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_errno(r, "Failed to parse /proc/cmdline: %m"); - 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 = strjoina(root, "/" SYSTEMD_BINARY_PATH); + root_init_path = strjoina(root, "/", init); - log_debug("switching root - root: %s; init: %s", root, init); + /* If the passed init is actually the same as the + * systemd binary, then let's suppress it. */ + if (files_same(root_init_path, root_systemd_path) > 0) + init = NULL; + } + + log_debug("Switching root - root: %s; init: %s", root, strna(init)); r = sd_bus_call_method( bus, @@ -3886,17 +4935,19 @@ static int set_environment(sd_bus *bus, char **args) { assert(bus); assert(args); + polkit_agent_open_if_enabled(); + method = streq(args[0], "set-environment") ? "SetEnvironment" : "UnsetEnvironment"; r = sd_bus_message_new_method_call( bus, + &m, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", - method, - &m); + method); if (r < 0) return bus_log_create_error(r); @@ -3904,7 +4955,7 @@ 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; @@ -3913,11 +4964,76 @@ 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); + + polkit_agent_open_if_enabled(); + + r = sd_bus_message_new_method_call( + bus, + &m, + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "SetEnvironment"); + if (r < 0) + return bus_log_create_error(r); + + if (strv_isempty(args + 1)) + r = sd_bus_message_append_strv(m, environ); + else { + char **a, **b; + + r = sd_bus_message_open_container(m, 'a', "s"); + if (r < 0) + return bus_log_create_error(r); + + STRV_FOREACH(a, args + 1) { + + if (!env_name_is_valid(*a)) { + log_error("Not a valid environment variable name: %s", *a); + return -EINVAL; + } + + STRV_FOREACH(b, environ) { + const char *eq; + + eq = startswith(*b, *a); + if (eq && *eq == '=') { + + r = sd_bus_message_append(m, "s", *b); + if (r < 0) + return bus_log_create_error(r); + + break; + } + } + } + + r = sd_bus_message_close_container(m); + } + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_call(bus, m, 0, &error, NULL); + if (r < 0) { + log_error("Failed to import environment: %s", bus_error_message(&error, r)); + return r; + } + + return 0; +} + static int enable_sysv_units(const char *verb, char **args) { int r = 0; #if defined(HAVE_SYSV_COMPAT) && defined(HAVE_CHKCONFIG) - unsigned f = 1, t = 1; + unsigned f = 0; _cleanup_lookup_paths_free_ LookupPaths paths = {}; if (arg_scope != UNIT_FILE_SYSTEM) @@ -3931,23 +5047,23 @@ static int enable_sysv_units(const char *verb, char **args) { /* Processes all SysV units, and reshuffles the array so that * afterwards only the native units remain */ - r = lookup_paths_init(&paths, SYSTEMD_SYSTEM, false, NULL, NULL, NULL); + r = lookup_paths_init(&paths, SYSTEMD_SYSTEM, false, arg_root, NULL, NULL, NULL); if (r < 0) return r; r = 0; - for (f = 0; args[f]; f++) { + while (args[f]) { const char *name; - _cleanup_free_ char *p = NULL, *q = NULL; + _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL; bool found_native = false, found_sysv; unsigned c = 1; const char *argv[6] = { "/sbin/chkconfig", NULL, NULL, NULL, NULL }; - char **k, *l; + char **k; int j; pid_t pid; siginfo_t status; - name = args[f]; + name = args[f++]; if (!endswith(name, ".service")) continue; @@ -3956,20 +5072,13 @@ static int enable_sysv_units(const char *verb, char **args) { continue; STRV_FOREACH(k, paths.unit_path) { - if (!isempty(arg_root)) - asprintf(&p, "%s/%s/%s", arg_root, *k, name); - else - asprintf(&p, "%s/%s", *k, name); - - if (!p) { - r = log_oom(); - goto finish; - } + _cleanup_free_ char *path = NULL; - found_native = access(p, F_OK) >= 0; - free(p); - p = NULL; + path = path_join(arg_root, *k, name); + if (!path) + return log_oom(); + found_native = access(path, F_OK) >= 0; if (found_native) break; } @@ -3977,50 +5086,36 @@ static int enable_sysv_units(const char *verb, char **args) { if (found_native) continue; - if (!isempty(arg_root)) - asprintf(&p, "%s/" SYSTEM_SYSVINIT_PATH "/%s", arg_root, name); - else - asprintf(&p, SYSTEM_SYSVINIT_PATH "/%s", name); - if (!p) { - r = log_oom(); - goto finish; - } + p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name); + if (!p) + return log_oom(); - p[strlen(p) - sizeof(".service") + 1] = 0; + p[strlen(p) - strlen(".service")] = 0; found_sysv = access(p, F_OK) >= 0; - if (!found_sysv) continue; - /* Mark this entry, so that we don't try enabling it as native unit */ - args[f] = (char*) ""; - log_info("%s is not a native service, redirecting to /sbin/chkconfig.", name); if (!isempty(arg_root)) argv[c++] = q = strappend("--root=", arg_root); - argv[c++] = path_get_file_name(p); + argv[c++] = basename(p); argv[c++] = streq(verb, "enable") ? "on" : streq(verb, "disable") ? "off" : "--level=5"; argv[c] = NULL; l = strv_join((char**)argv, " "); - if (!l) { - r = log_oom(); - goto finish; - } + if (!l) + return log_oom(); log_info("Executing %s", l); - free(l); pid = fork(); - if (pid < 0) { - log_error("Failed to fork: %m"); - r = -errno; - goto finish; - } else if (pid == 0) { + if (pid < 0) + return log_error_errno(errno, "Failed to fork: %m"); + else if (pid == 0) { /* Child */ execv(argv[0], (char**) argv); @@ -4029,9 +5124,8 @@ static int enable_sysv_units(const char *verb, char **args) { j = wait_for_terminate(pid, &status); if (j < 0) { - log_error("Failed to wait for child: %s", strerror(-r)); - r = j; - goto finish; + log_error_errno(r, "Failed to wait for child: %m"); + return j; } if (status.si_code == CLD_EXITED) { @@ -4045,28 +5139,18 @@ static int enable_sysv_units(const char *verb, char **args) { puts("disabled"); } - } else if (status.si_status != 0) { - r = -EINVAL; - goto finish; - } - } else { - r = -EPROTO; - goto finish; - } - } - -finish: - /* Drop all SysV units */ - for (f = 0, t = 0; args[f]; f++) { - - if (isempty(args[f])) - continue; + } else if (status.si_status != 0) + return -EINVAL; + } else + return -EPROTO; - args[t++] = args[f]; + /* Remove this entry, so that we don't try enabling it as native unit */ + assert(f > 0); + f--; + assert(args[f] == name); + strv_remove(args, name); } - args[t] = NULL; - #endif return r; } @@ -4087,7 +5171,7 @@ 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); @@ -4104,68 +5188,67 @@ 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_preset_mode, arg_force, &changes, &n_changes); carries_install_info = r; } else if (streq(verb, "mask")) - r = unit_file_mask(arg_scope, arg_runtime, arg_root, 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"); if (r < 0) { - log_error("Operation failed: %s", strerror(-r)); + log_error_errno(r, "Operation failed: %m"); 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; + bool send_force = true, send_preset_mode = false; + const char *method; + + polkit_agent_open_if_enabled(); if (streq(verb, "enable")) { method = "EnableUnitFiles"; @@ -4179,32 +5262,42 @@ static int enable_unit(sd_bus *bus, char **args) { } else if (streq(verb, "link")) method = "LinkUnitFiles"; else if (streq(verb, "preset")) { - method = "PresetUnitFiles"; + + if (arg_preset_mode != UNIT_FILE_PRESET_FULL) { + method = "PresetUnitFilesWithMode"; + send_preset_mode = true; + } else + method = "PresetUnitFiles"; + expect_carries_install_info = true; } else if (streq(verb, "mask")) method = "MaskUnitFiles"; else if (streq(verb, "unmask")) { method = "UnmaskUnitFiles"; send_force = false; - } else 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); + if (send_preset_mode) { + r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode)); + if (r < 0) + return bus_log_create_error(r); + } + r = sd_bus_message_append(m, "b", arg_runtime); if (r < 0) return bus_log_create_error(r); @@ -4215,7 +5308,7 @@ 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; @@ -4227,26 +5320,11 @@ 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 = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet); 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 @@ -4270,19 +5348,158 @@ finish: return r; } +static int add_dependency(sd_bus *bus, char **args) { + _cleanup_strv_free_ char **names = NULL; + _cleanup_free_ char *target = NULL; + const char *verb = args[0]; + UnitDependency dep; + int r = 0; + + if (!args[1]) + return 0; + + target = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".target"); + if (!target) + return log_oom(); + + r = mangle_names(args+2, &names); + if (r < 0) + return r; + + if (streq(verb, "add-wants")) + dep = UNIT_WANTS; + else if (streq(verb, "add-requires")) + dep = UNIT_REQUIRES; + else + assert_not_reached("Unknown verb"); + + if (!bus || avoid_bus()) { + UnitFileChange *changes = NULL; + unsigned n_changes = 0; + + r = unit_file_add_dependency(arg_scope, arg_runtime, arg_root, names, target, dep, arg_force, &changes, &n_changes); + + if (r < 0) + return log_error_errno(r, "Can't add dependency: %m"); + + if (!arg_quiet) + dump_unit_file_changes(changes, n_changes); + + unit_file_changes_free(changes, n_changes); + + } else { + _cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *m = NULL; + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + + polkit_agent_open_if_enabled(); + + r = sd_bus_message_new_method_call( + bus, + &m, + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "AddDependencyUnitFiles"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_strv(m, names); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_call(bus, m, 0, &error, &reply); + if (r < 0) { + log_error("Failed to execute operation: %s", bus_error_message(&error, r)); + return r; + } + + r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet); + if (r < 0) + return r; + + if (!arg_no_reload) + r = daemon_reload(bus, args); + else + r = 0; + } + + return r; +} + +static int preset_all(sd_bus *bus, char **args) { + UnitFileChange *changes = NULL; + unsigned n_changes = 0; + int r; + + if (!bus || avoid_bus()) { + + r = unit_file_preset_all(arg_scope, arg_runtime, arg_root, arg_preset_mode, arg_force, &changes, &n_changes); + if (r < 0) { + log_error_errno(r, "Operation failed: %m"); + goto finish; + } + + if (!arg_quiet) + dump_unit_file_changes(changes, n_changes); + + r = 0; + + } else { + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + + polkit_agent_open_if_enabled(); + + r = sd_bus_call_method( + bus, + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "PresetAllUnitFiles", + &error, + &reply, + "sbb", + unit_file_preset_mode_to_string(arg_preset_mode), + arg_runtime, + arg_force); + if (r < 0) { + log_error("Failed to execute operation: %s", bus_error_message(&error, r)); + return r; + } + + r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet); + if (r < 0) + return r; + + if (!arg_no_reload) + r = daemon_reload(bus, args); + else + r = 0; + } + +finish: + unit_file_changes_free(changes, n_changes); + + return r; +} + static int unit_is_enabled(sd_bus *bus, char **args) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - _cleanup_strv_free_ char **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; @@ -4290,18 +5507,17 @@ 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); - if (state < 0) { - log_error("Failed to get unit file state for %s: %s", *name, strerror(-state)); - return state; - } + if (state < 0) + return log_error_errno(state, "Failed to get unit file state for %s: %m", *name); if (state == UNIT_FILE_ENABLED || state == UNIT_FILE_ENABLED_RUNTIME || - state == UNIT_FILE_STATIC) + state == UNIT_FILE_STATIC || + state == UNIT_FILE_INDIRECT) enabled = true; if (!arg_quiet) @@ -4309,7 +5525,7 @@ 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; @@ -4321,7 +5537,7 @@ 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; @@ -4331,9 +5547,7 @@ static int unit_is_enabled(sd_bus *bus, char **args) { if (r < 0) return bus_log_parse_error(r); - if (streq(s, "enabled") || - streq(s, "enabled-runtime") || - streq(s, "static")) + if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect")) enabled = true; if (!arg_quiet) @@ -4344,7 +5558,366 @@ static int unit_is_enabled(sd_bus *bus, char **args) { return !enabled; } -static int systemctl_help(void) { +static int is_system_running(sd_bus *bus, char **args) { + _cleanup_free_ char *state = NULL; + int r; + + r = sd_bus_get_property_string( + bus, + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "SystemState", + NULL, + &state); + if (r < 0) { + if (!arg_quiet) + puts("unknown"); + return 0; + } + + if (!arg_quiet) + puts(state); + + return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE; +} + +static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) { + char *t; + int r; + + assert(new_path); + assert(original_path); + assert(ret_tmp_fn); + + r = tempfn_random(new_path, &t); + if (r < 0) + return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path); + + r = mkdir_parents(new_path, 0755); + if (r < 0) { + log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path); + free(t); + return r; + } + + r = copy_file(original_path, t, 0, 0644, 0); + if (r == -ENOENT) { + r = touch(t); + if (r < 0) { + log_error_errno(r, "Failed to create temporary file \"%s\": %m", t); + free(t); + return r; + } + } else if (r < 0) { + log_error_errno(r, "Failed to copy \"%s\" to \"%s\": %m", original_path, t); + free(t); + return r; + } + + *ret_tmp_fn = t; + + return 0; +} + +static int get_file_to_edit(const char *name, const char *user_home, const char *user_runtime, char **ret_path) { + _cleanup_free_ char *path = NULL, *path2 = NULL, *run = NULL; + + switch (arg_scope) { + case UNIT_FILE_SYSTEM: + path = path_join(arg_root, SYSTEM_CONFIG_UNIT_PATH, name); + if (arg_runtime) + run = path_join(arg_root, "/run/systemd/system/", name); + break; + case UNIT_FILE_GLOBAL: + path = path_join(arg_root, USER_CONFIG_UNIT_PATH, name); + if (arg_runtime) + run = path_join(arg_root, "/run/systemd/user/", name); + break; + case UNIT_FILE_USER: + assert(user_home); + assert(user_runtime); + + path = path_join(arg_root, user_home, name); + if (arg_runtime) { + path2 = path_join(arg_root, USER_CONFIG_UNIT_PATH, name); + if (!path2) + return log_oom(); + run = path_join(arg_root, user_runtime, name); + } + break; + default: + assert_not_reached("Invalid scope"); + } + if (!path || (arg_runtime && !run)) + return log_oom(); + + if (arg_runtime) { + if (access(path, F_OK) >= 0) + return log_error_errno(EEXIST, "Refusing to create \"%s\" because it would be overriden by \"%s\" anyway.", + run, path); + if (path2 && access(path2, F_OK) >= 0) + return log_error_errno(EEXIST, "Refusing to create \"%s\" because it would be overriden by \"%s\" anyway.", + run, path2); + *ret_path = run; + run = NULL; + } else { + *ret_path = path; + path = NULL; + } + + return 0; +} + +static int unit_file_create_dropin(const char *unit_name, const char *user_home, const char *user_runtime, char **ret_new_path, char **ret_tmp_path) { + char *tmp_new_path, *ending; + char *tmp_tmp_path; + int r; + + assert(unit_name); + assert(ret_new_path); + assert(ret_tmp_path); + + ending = strjoina(unit_name, ".d/override.conf"); + r = get_file_to_edit(ending, user_home, user_runtime, &tmp_new_path); + if (r < 0) + return r; + + r = create_edit_temp_file(tmp_new_path, tmp_new_path, &tmp_tmp_path); + if (r < 0) { + free(tmp_new_path); + return r; + } + + *ret_new_path = tmp_new_path; + *ret_tmp_path = tmp_tmp_path; + + return 0; +} + +static int unit_file_create_copy( + const char *unit_name, + const char *fragment_path, + const char *user_home, + const char *user_runtime, + char **ret_new_path, + char **ret_tmp_path) { + + char *tmp_new_path; + char *tmp_tmp_path; + int r; + + assert(fragment_path); + assert(unit_name); + assert(ret_new_path); + assert(ret_tmp_path); + + r = get_file_to_edit(unit_name, user_home, user_runtime, &tmp_new_path); + if (r < 0) + return r; + + if (!path_equal(fragment_path, tmp_new_path) && access(tmp_new_path, F_OK) == 0) { + char response; + + r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", tmp_new_path, fragment_path); + if (r < 0) { + free(tmp_new_path); + return r; + } + if (response != 'y') { + log_warning("%s ignored", unit_name); + free(tmp_new_path); + return -1; + } + } + + r = create_edit_temp_file(tmp_new_path, fragment_path, &tmp_tmp_path); + if (r < 0) { + log_error_errno(r, "Failed to create temporary file for \"%s\": %m", tmp_new_path); + free(tmp_new_path); + return r; + } + + *ret_new_path = tmp_new_path; + *ret_tmp_path = tmp_tmp_path; + + return 0; +} + +static int run_editor(char **paths) { + pid_t pid; + int r; + + assert(paths); + + pid = fork(); + if (pid < 0) { + log_error_errno(errno, "Failed to fork: %m"); + return -errno; + } + + if (pid == 0) { + const char **args; + char *editor; + char **tmp_path, **original_path, *p; + unsigned i = 1; + size_t argc; + + argc = strv_length(paths)/2 + 1; + args = newa(const char*, argc + 1); + + args[0] = NULL; + STRV_FOREACH_PAIR(original_path, tmp_path, paths) { + args[i] = *tmp_path; + i++; + } + args[argc] = NULL; + + /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL + * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present, + * we try to execute well known editors + */ + editor = getenv("SYSTEMD_EDITOR"); + if (!editor) + editor = getenv("EDITOR"); + if (!editor) + editor = getenv("VISUAL"); + + if (!isempty(editor)) { + args[0] = editor; + execvp(editor, (char* const*) args); + } + + FOREACH_STRING(p, "nano", "vim", "vi") { + args[0] = p; + execvp(p, (char* const*) args); + /* We do not fail if the editor doesn't exist + * because we want to try each one of them before + * failing. + */ + if (errno != ENOENT) { + log_error("Failed to execute %s: %m", editor); + _exit(EXIT_FAILURE); + } + } + + log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL."); + _exit(EXIT_FAILURE); + } + + r = wait_for_terminate_and_warn("editor", pid, true); + if (r < 0) + return log_error_errno(r, "Failed to wait for child: %m"); + + return r; +} + +static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) { + _cleanup_free_ char *user_home = NULL; + _cleanup_free_ char *user_runtime = NULL; + _cleanup_lookup_paths_free_ LookupPaths lp = {}; + bool avoid_bus_cache; + char **name; + int r; + + assert(names); + assert(paths); + + r = init_home_and_lookup_paths(&user_home, &user_runtime, &lp); + if (r < 0) + return r; + + avoid_bus_cache = !bus || avoid_bus(); + + STRV_FOREACH(name, names) { + _cleanup_free_ char *path = NULL; + char *new_path, *tmp_path; + + r = unit_find_paths(bus, *name, avoid_bus_cache, &lp, &path, NULL); + if (r < 0) + return r; + else if (r == 0) + return -ENOENT; + else if (!path) { + // FIXME: support units with path==NULL (no FragmentPath) + log_error("No fragment exists for %s.", *name); + return -ENOENT; + } + + if (arg_full) + r = unit_file_create_copy(*name, path, user_home, user_runtime, &new_path, &tmp_path); + else + r = unit_file_create_dropin(*name, user_home, user_runtime, &new_path, &tmp_path); + if (r < 0) + return r; + + r = strv_push_pair(paths, new_path, tmp_path); + if (r < 0) + return log_oom(); + } + + return 0; +} + +static int edit(sd_bus *bus, char **args) { + _cleanup_strv_free_ char **names = NULL; + _cleanup_strv_free_ char **paths = NULL; + char **original, **tmp; + int r; + + assert(args); + + if (!on_tty()) { + log_error("Cannot edit units if not on a tty"); + return -EINVAL; + } + + if (arg_transport != BUS_TRANSPORT_LOCAL) { + log_error("Cannot remotely edit units"); + return -EINVAL; + } + + r = expand_names(bus, args + 1, NULL, &names); + if (r < 0) + return log_error_errno(r, "Failed to expand names: %m"); + + r = find_paths_to_edit(bus, names, &paths); + if (r < 0) + return r; + + if (strv_isempty(paths)) + return -ENOENT; + + r = run_editor(paths); + if (r < 0) + goto end; + + STRV_FOREACH_PAIR(original, tmp, paths) { + /* If the temporary file is empty we ignore it. + * It's useful if the user wants to cancel its modification + */ + if (null_or_empty_path(*tmp)) { + log_warning("Editing \"%s\" canceled: temporary file is empty", *original); + continue; + } + r = rename(*tmp, *original); + if (r < 0) { + r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original); + goto end; + } + } + + if (!arg_no_reload && bus && !avoid_bus()) + r = daemon_reload(bus, args); + +end: + STRV_FOREACH_PAIR(original, tmp, paths) + unlink_noerrno(*tmp); + + return r; +} + +static void systemctl_help(void) { pager_open_if_enabled(); @@ -4358,20 +5931,17 @@ static int systemctl_help(void) { " Operate on remote host\n" " -M --machine=CONTAINER\n" " Operate on local container\n" - " -t --type=TYPE List only units of a particular type\n" - " --state=STATE List only units with particular LOAD or SUB or ACTIVE state\n" + " -t --type=TYPE List units of a particular type\n" + " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n" " -p --property=NAME Show only properties by this name\n" " -a --all Show all loaded units/properties, including dead/empty\n" " ones. To list all units installed on the system, use\n" " the 'list-unit-files' command instead.\n" - " --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" @@ -4380,8 +5950,7 @@ static int systemctl_help(void) { " -q --quiet Suppress output\n" " --no-block Do not wait until operation finished\n" " --no-wall Don't send wall message before halt/power-off/reboot\n" - " --no-reload When enabling/disabling unit files, don't reload daemon\n" - " configuration\n" + " --no-reload Don't reload daemon after en-/dis-abling unit files\n" " --no-legend Do not print a legend (column headers and hints)\n" " --no-pager Do not pipe output into a pager\n" " --no-ask-password\n" @@ -4390,65 +5959,80 @@ static int systemctl_help(void) { " --runtime Enable unit files only temporarily until next reboot\n" " -f --force When enabling unit files, override existing symlinks\n" " When shutting down, execute action immediately\n" + " --preset-mode= Apply only enable, only disable, or all presets\n" " --root=PATH Enable unit files in the specified root directory\n" " -n --lines=INTEGER Number of journal entries to show\n" - " -o --output=STRING Change journal output mode (short, short-monotonic,\n" - " verbose, export, json, json-pretty, json-sse, cat)\n\n" + " -o --output=STRING Change journal output mode (short, short-iso,\n" + " short-precise, short-monotonic, verbose,\n" + " export, json, json-pretty, json-sse, cat)\n" + " --plain Print unit dependencies as a list instead of a tree\n\n" "Unit Commands:\n" - " list-units 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" + " preset-all Enable/disable all unit files based on\n" + " preset configuration\n" + " is-enabled NAME... Check whether unit files are enabled\n" + " mask NAME... Mask one or more units\n" + " unmask NAME... Unmask one or more units\n" + " link PATH... Link one or more units files into\n" " the search path\n" + " add-wants TARGET NAME... Add 'Wants' dependency for the target\n" + " on specified one or more units\n" + " add-requires TARGET NAME... Add 'Requires' dependency for the target\n" + " on specified one or more units\n" + " edit NAME... Edit one or more unit files\n" " get-default Get the name of the default target\n" " set-default NAME Set the default target\n\n" + "Machine Commands:\n" + " list-machines [PATTERN...] List local containers and host\n\n" "Job Commands:\n" - " list-jobs 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 or some environment variables\n\n" "Manager Lifecycle Commands:\n" " daemon-reload Reload systemd manager configuration\n" " daemon-reexec Reexecute systemd manager\n\n" "System Commands:\n" + " is-system-running Check whether system is fully running\n" " default Enter system default mode\n" " rescue Enter system rescue mode\n" " emergency Enter system emergency mode\n" @@ -4457,17 +6041,14 @@ 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", program_invocation_short_name); - - return 0; } -static int halt_help(void) { - +static void halt_help(void) { printf("%s [OPTIONS...]%s\n\n" "%s the system.\n\n" " --help Show this help\n" @@ -4483,12 +6064,9 @@ static int halt_help(void) { arg_action == ACTION_REBOOT ? "Reboot" : arg_action == ACTION_POWEROFF ? "Power off" : "Halt"); - - return 0; } -static int shutdown_help(void) { - +static void shutdown_help(void) { printf("%s [OPTIONS...] [TIME] [WALL...]\n\n" "Shut down the system.\n\n" " --help Show this help\n" @@ -4500,12 +6078,9 @@ static int shutdown_help(void) { " --no-wall Don't send wall message before halt/power-off/reboot\n" " -c Cancel a pending shutdown\n", program_invocation_short_name); - - return 0; } -static int telinit_help(void) { - +static void telinit_help(void) { printf("%s [OPTIONS...] {COMMAND}\n\n" "Send control commands to the init daemon.\n\n" " --help Show this help\n" @@ -4518,32 +6093,26 @@ static int telinit_help(void) { " q, Q Reload init daemon configuration\n" " u, U Reexecute init daemon\n", program_invocation_short_name); - - return 0; } -static int runlevel_help(void) { - +static void runlevel_help(void) { printf("%s [OPTIONS...]\n\n" "Prints the previous and current runlevel of the init system.\n\n" " --help Show this help\n", program_invocation_short_name); - - return 0; } -static int help_types(void) { +static void help_types(void) { int i; const char *t; - puts("Available unit types:"); - for(i = 0; i < _UNIT_TYPE_MAX; i++) { + if (!arg_no_legend) + puts("Available unit types:"); + for (i = 0; i < _UNIT_TYPE_MAX; i++) { t = unit_type_to_string(i); if (t) puts(t); } - - return 0; } static int systemctl_parse_argv(int argc, char *argv[]) { @@ -4572,7 +6141,9 @@ static int systemctl_parse_argv(int argc, char *argv[]) { ARG_RUNTIME, ARG_FORCE, ARG_PLAIN, - ARG_STATE + ARG_STATE, + ARG_JOB_MODE, + ARG_PRESET_MODE, }; static const struct option options[] = { @@ -4587,9 +6158,10 @@ 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 }, @@ -4612,6 +6184,8 @@ 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' }, + { "preset-mode", required_argument, NULL, ARG_PRESET_MODE }, {} }; @@ -4620,12 +6194,13 @@ 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) { case 'h': - return systemctl_help(); + systemctl_help(); + return 0; case ARG_VERSION: puts(PACKAGE_STRING); @@ -4633,7 +6208,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) { return 0; case 't': { - char *word, *state; + const char *word, *state; size_t size; FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) { @@ -4682,7 +6257,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) { if (!arg_properties) return log_oom(); } else { - char *word, *state; + const char *word, *state; size_t size; FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) { @@ -4692,10 +6267,8 @@ 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(); - } } } @@ -4727,6 +6300,10 @@ 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; @@ -4818,7 +6395,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) { break; case 'M': - arg_transport = BUS_TRANSPORT_CONTAINER; + arg_transport = BUS_TRANSPORT_MACHINE; arg_host = optarg; break; @@ -4850,7 +6427,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) { break; case ARG_STATE: { - char *word, *state; + const char *word, *state; size_t size; FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) { @@ -4860,21 +6437,37 @@ 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 privileges."); + return -EPERM; + } + + arg_recursive = true; + break; + + case ARG_PRESET_MODE: + + arg_preset_mode = unit_file_preset_mode_from_string(optarg); + if (arg_preset_mode < 0) { + log_error("Failed to parse preset mode: %s.", optarg); + return -EINVAL; + } + + break; + case '?': return -EINVAL; default: assert_not_reached("Unhandled option"); } - } if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM) { log_error("Cannot access user instance remotely."); @@ -4914,11 +6507,12 @@ static int halt_parse_argv(int argc, char *argv[]) { if (runlevel == '0' || runlevel == '6') arg_force = 2; - while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0) { + while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0) switch (c) { case ARG_HELP: - return halt_help(); + halt_help(); + return 0; case ARG_HALT: arg_action = ACTION_HALT; @@ -4961,15 +6555,11 @@ static int halt_parse_argv(int argc, char *argv[]) { default: assert_not_reached("Unhandled option"); } - } - if (arg_action == ACTION_REBOOT && argc == optind + 1) { - r = write_string_file(REBOOT_PARAM_FILE, argv[optind]); - if (r < 0) { - log_error("Failed to write reboot param to " - REBOOT_PARAM_FILE": %s", strerror(-r)); + if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) { + r = update_reboot_param_file(argc == optind + 1 ? argv[optind] : NULL); + if (r < 0) return r; - } } else if (optind < argc) { log_error("Too many arguments."); return -EINVAL; @@ -5049,11 +6639,12 @@ static int shutdown_parse_argv(int argc, char *argv[]) { assert(argc >= 0); assert(argv); - while ((c = getopt_long(argc, argv, "HPrhkt:afFc", options, NULL)) >= 0) { + while ((c = getopt_long(argc, argv, "HPrhkKt:afFc", options, NULL)) >= 0) switch (c) { case ARG_HELP: - return shutdown_help(); + shutdown_help(); + return 0; case 'H': arg_action = ACTION_HALT; @@ -5089,6 +6680,8 @@ static int shutdown_parse_argv(int argc, char *argv[]) { case 't': case 'a': + case 'f': + case 'F': /* Compatibility nops */ break; @@ -5102,7 +6695,6 @@ static int shutdown_parse_argv(int argc, char *argv[]) { default: assert_not_reached("Unhandled option"); } - } if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) { r = parse_time_spec(argv[optind], &arg_when); @@ -5163,11 +6755,12 @@ static int telinit_parse_argv(int argc, char *argv[]) { assert(argc >= 0); assert(argv); - while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) { + while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) switch (c) { case ARG_HELP: - return telinit_help(); + telinit_help(); + return 0; case ARG_NO_WALL: arg_no_wall = true; @@ -5179,10 +6772,10 @@ static int telinit_parse_argv(int argc, char *argv[]) { default: assert_not_reached("Unhandled option"); } - } if (optind >= argc) { - telinit_help(); + log_error("%s: required argument missing.", + program_invocation_short_name); return -EINVAL; } @@ -5228,11 +6821,11 @@ static int runlevel_parse_argv(int argc, char *argv[]) { assert(argc >= 0); assert(argv); - while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) { + while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) switch (c) { case ARG_HELP: - return runlevel_help(); + runlevel_help(); return 0; case '?': @@ -5241,7 +6834,6 @@ static int runlevel_parse_argv(int argc, char *argv[]) { default: assert_not_reached("Unhandled option"); } - } if (optind < argc) { log_error("Too many arguments."); @@ -5340,16 +6932,13 @@ static int talk_initctl(void) { if (errno == ENOENT) return 0; - log_error("Failed to open "INIT_FIFO": %m"); + log_error_errno(errno, "Failed to open "INIT_FIFO": %m"); return -errno; } - errno = 0; - r = loop_write(fd, &request, sizeof(request), false) != sizeof(request); - if (r) { - log_error("Failed to write to "INIT_FIFO": %m"); - return errno > 0 ? -errno : -EIO; - } + r = loop_write(fd, &request, sizeof(request), false); + if (r < 0) + return log_error_errno(r, "Failed to write to "INIT_FIFO": %m"); return 1; } @@ -5365,11 +6954,17 @@ 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 }, @@ -5389,6 +6984,7 @@ 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, NOBUS }, { "status", MORE, 1, show }, { "help", MORE, 2, show }, { "snapshot", LESS, 2, snapshot }, @@ -5398,9 +6994,10 @@ 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", MORE, 1, start_special, FORCE }, { "kexec", EQUAL, 1, start_special }, { "suspend", EQUAL, 1, start_special }, { "hibernate", EQUAL, 1, start_special }, @@ -5410,53 +7007,55 @@ 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 }, + { "preset-all", EQUAL, 1, preset_all, NOBUS }, + { "mask", MORE, 2, enable_unit, NOBUS }, + { "unmask", MORE, 2, enable_unit, NOBUS }, + { "link", MORE, 2, enable_unit, NOBUS }, { "switch-root", MORE, 2, switch_root }, { "list-dependencies", LESS, 2, list_dependencies }, - { "set-default", EQUAL, 2, 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 }, - }; + { "is-system-running", EQUAL, 1, is_system_running }, + { "add-wants", MORE, 3, add_dependency, NOBUS }, + { "add-requires", MORE, 3, add_dependency, NOBUS }, + { "edit", MORE, 2, edit, NOBUS }, + {} + }, *verb = verbs; int left; - 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; } @@ -5464,7 +7063,7 @@ 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; } @@ -5472,7 +7071,7 @@ 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; } @@ -5485,39 +7084,25 @@ 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_errno(bus_error, "Failed to get D-Bus connection: %m"); + return -EIO; + } + } else { if (running_in_chroot() > 0) { log_info("Running in chroot, ignoring request."); return 0; } - if (((!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_errno(bus_error, "Failed to get D-Bus connection: %m"); 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) { @@ -5542,7 +7127,7 @@ 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, }; @@ -5576,10 +7161,8 @@ static int reload_with_fallback(sd_bus *bus) { /* Nothing else worked, so let's try signals */ assert(arg_action == ACTION_RELOAD || arg_action == ACTION_REEXEC); - if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0) { - log_error("kill() failed: %m"); - return -errno; - } + if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0) + return log_error_errno(errno, "kill() failed: %m"); return 0; } @@ -5605,12 +7188,15 @@ done: return 0; } -static _noreturn_ void halt_now(enum action a) { +static int halt_now(enum action a) { - _cleanup_free_ char *param = NULL; + /* The kernel will automaticall flush ATA disks and suchlike + * on reboot(), but the file systems need to be synce'd + * explicitly in advance. */ + sync(); - /* Make sure C-A-D is handled by the kernel from this - * point on... */ + /* Make sure C-A-D is handled by the kernel from this point + * on... */ reboot(RB_ENABLE_CAD); switch (a) { @@ -5618,30 +7204,30 @@ static _noreturn_ void halt_now(enum action a) { case ACTION_HALT: log_info("Halting."); reboot(RB_HALT_SYSTEM); - break; + return -errno; case ACTION_POWEROFF: log_info("Powering off."); reboot(RB_POWER_OFF); - break; + return -errno; - case ACTION_REBOOT: + case ACTION_REBOOT: { + _cleanup_free_ char *param = NULL; - if (read_one_line_file(REBOOT_PARAM_FILE, ¶m) == 0) { - log_info("Rebooting with arg '%s'.", param); + if (read_one_line_file(REBOOT_PARAM_FILE, ¶m) >= 0) { + log_info("Rebooting with argument '%s'.", param); syscall(SYS_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, LINUX_REBOOT_CMD_RESTART2, param); - } else { - log_info("Rebooting."); - reboot(RB_AUTOBOOT); } - break; - default: - assert_not_reached("Unknown halt action."); + log_info("Rebooting."); + reboot(RB_AUTOBOOT); + return -errno; } - assert_not_reached("Uh? This shouldn't happen."); + default: + assert_not_reached("Unknown action."); + } } static int halt_main(sd_bus *bus) { @@ -5687,7 +7273,7 @@ static int halt_main(sd_bus *bus) { m); if (r < 0) - log_warning("Failed to talk to shutdownd, proceeding with immediate shutdown: %s", strerror(-r)); + log_warning_errno(r, "Failed to talk to shutdownd, proceeding with immediate shutdown: %m"); else { char date[FORMAT_TIMESTAMP_MAX]; @@ -5706,16 +7292,17 @@ static int halt_main(sd_bus *bus) { else { r = utmp_put_shutdown(); if (r < 0) - log_warning("Failed to write utmp record: %s", strerror(-r)); + log_warning_errno(r, "Failed to write utmp record: %m"); } } if (arg_dry) return 0; - halt_now(arg_action); - /* We should never reach this. */ - return -ENOSYS; + r = halt_now(arg_action); + log_error_errno(r, "Failed to reboot: %m"); + + return r; } static int runlevel_main(void) { @@ -5735,7 +7322,7 @@ static int runlevel_main(void) { } int main(int argc, char*argv[]) { - _cleanup_bus_unref_ sd_bus *bus = NULL; + _cleanup_bus_close_unref_ sd_bus *bus = NULL; int r; setlocale(LC_ALL, ""); @@ -5764,9 +7351,17 @@ int main(int argc, char*argv[]) { goto finish; } + /* Increase max number of open files to 16K if we can, we + * might needs this when browsing journal files, which might + * be split up into many files. */ + setrlimit_closest(RLIMIT_NOFILE, &RLIMIT_MAKE_CONST(16384)); + if (!avoid_bus()) r = bus_open_transport_systemd(arg_transport, arg_host, arg_scope != UNIT_FILE_SYSTEM, &bus); + if (bus) + sd_bus_set_allow_interactive_authorization(bus, arg_ask_password); + /* systemctl_main() will print an error message for the bus * connection, but only if it needs to */ @@ -5811,7 +7406,7 @@ int main(int argc, char*argv[]) { r = send_shutdownd(arg_when, SD_SHUTDOWN_NONE, false, !arg_no_wall, m); if (r < 0) - log_warning("Failed to talk to shutdownd, shutdown hasn't been cancelled: %s", strerror(-r)); + log_warning_errno(r, "Failed to talk to shutdownd, shutdown hasn't been cancelled: %m"); break; }