From b750101eb236130cf056c675997decbac904cc49 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:35:18 +0200 Subject: Adding upstream version 252.22. Signed-off-by: Daniel Baumann --- src/systemctl/systemctl-show.c | 2292 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 2292 insertions(+) create mode 100644 src/systemctl/systemctl-show.c (limited to 'src/systemctl/systemctl-show.c') diff --git a/src/systemctl/systemctl-show.c b/src/systemctl/systemctl-show.c new file mode 100644 index 0000000..1ce14f5 --- /dev/null +++ b/src/systemctl/systemctl-show.c @@ -0,0 +1,2292 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include + +#include "af-list.h" +#include "bus-error.h" +#include "bus-locator.h" +#include "bus-map-properties.h" +#include "bus-print-properties.h" +#include "bus-unit-procs.h" +#include "cgroup-show.h" +#include "cpu-set-util.h" +#include "errno-util.h" +#include "exec-util.h" +#include "exit-status.h" +#include "format-util.h" +#include "hexdecoct.h" +#include "hostname-util.h" +#include "in-addr-util.h" +#include "ip-protocol-list.h" +#include "journal-file.h" +#include "list.h" +#include "locale-util.h" +#include "memory-util.h" +#include "numa-util.h" +#include "parse-util.h" +#include "path-util.h" +#include "pretty-print.h" +#include "process-util.h" +#include "signal-util.h" +#include "sort-util.h" +#include "special.h" +#include "string-table.h" +#include "systemctl-list-machines.h" +#include "systemctl-list-units.h" +#include "systemctl-show.h" +#include "systemctl-sysv-compat.h" +#include "systemctl-util.h" +#include "systemctl.h" +#include "terminal-util.h" +#include "utf8.h" + +static OutputFlags get_output_flags(void) { + return + FLAGS_SET(arg_print_flags, BUS_PRINT_PROPERTY_SHOW_EMPTY) * OUTPUT_SHOW_ALL | + (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH | + colors_enabled() * OUTPUT_COLOR | + !arg_quiet * OUTPUT_WARN_CUTOFF; +} + +typedef struct ExecStatusInfo { + char *name; + + char *path; + char **argv; + + bool ignore; + + usec_t start_timestamp; + usec_t exit_timestamp; + pid_t pid; + int code; + int status; + + ExecCommandFlags flags; + + LIST_FIELDS(struct ExecStatusInfo, exec_status_info_list); +} ExecStatusInfo; + +static void exec_status_info_free(ExecStatusInfo *i) { + assert(i); + + free(i->name); + free(i->path); + strv_free(i->argv); + free(i); +} + +static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i, bool is_ex_prop) { + _cleanup_strv_free_ char **ex_opts = NULL; + uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic; + const char *path; + uint32_t pid; + int32_t code, status; + int ignore, r; + + assert(m); + assert(i); + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, is_ex_prop ? "sasasttttuii" : "sasbttttuii"); + if (r < 0) + return bus_log_parse_error(r); + if (r == 0) + return 0; + + r = sd_bus_message_read(m, "s", &path); + if (r < 0) + return bus_log_parse_error(r); + + i->path = strdup(path); + if (!i->path) + return log_oom(); + + r = sd_bus_message_read_strv(m, &i->argv); + if (r < 0) + return bus_log_parse_error(r); + + r = is_ex_prop ? sd_bus_message_read_strv(m, &ex_opts) : sd_bus_message_read(m, "b", &ignore); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_read(m, + "ttttuii", + &start_timestamp, &start_timestamp_monotonic, + &exit_timestamp, &exit_timestamp_monotonic, + &pid, + &code, &status); + if (r < 0) + return bus_log_parse_error(r); + + if (is_ex_prop) { + r = exec_command_flags_from_strv(ex_opts, &i->flags); + if (r < 0) + return log_error_errno(r, "Failed to convert strv to ExecCommandFlags: %m"); + + i->ignore = FLAGS_SET(i->flags, EXEC_COMMAND_IGNORE_FAILURE); + } else + i->ignore = ignore; + + i->start_timestamp = (usec_t) start_timestamp; + i->exit_timestamp = (usec_t) exit_timestamp; + i->pid = (pid_t) pid; + i->code = code; + i->status = status; + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + return 1; +} + +typedef struct UnitCondition { + char *name; + char *param; + bool trigger; + bool negate; + int tristate; + + LIST_FIELDS(struct UnitCondition, conditions); +} UnitCondition; + +static UnitCondition* unit_condition_free(UnitCondition *c) { + if (!c) + return NULL; + + free(c->name); + free(c->param); + return mfree(c); +} +DEFINE_TRIVIAL_CLEANUP_FUNC(UnitCondition*, unit_condition_free); + +typedef struct UnitStatusInfo { + const char *id; + const char *load_state; + const char *active_state; + const char *freezer_state; + const char *sub_state; + const char *unit_file_state; + const char *unit_file_preset; + + const char *description; + const char *following; + + char **documentation; + + const char *fragment_path; + const char *source_path; + const char *control_group; + + char **dropin_paths; + + char **triggered_by; + char **triggers; + + const char *load_error; + const char *result; + + usec_t inactive_exit_timestamp; + usec_t inactive_exit_timestamp_monotonic; + usec_t active_enter_timestamp; + usec_t active_exit_timestamp; + usec_t inactive_enter_timestamp; + + uint64_t runtime_max_sec; + + bool need_daemon_reload; + bool transient; + + /* Service */ + pid_t main_pid; + pid_t control_pid; + const char *status_text; + const char *pid_file; + bool running:1; + int status_errno; + + usec_t start_timestamp; + usec_t exit_timestamp; + + int exit_code, exit_status; + + const char *log_namespace; + + usec_t condition_timestamp; + bool condition_result; + LIST_HEAD(UnitCondition, conditions); + + usec_t assert_timestamp; + bool assert_result; + bool failed_assert_trigger; + bool failed_assert_negate; + const char *failed_assert; + const char *failed_assert_parameter; + usec_t next_elapse_real; + usec_t next_elapse_monotonic; + + /* Socket */ + unsigned n_accepted; + unsigned n_connections; + unsigned n_refused; + bool accept; + + /* Pairs of type, path */ + char **listen; + + /* Device */ + const char *sysfs_path; + + /* Mount, Automount */ + const char *where; + + /* Swap */ + const char *what; + + /* CGroup */ + uint64_t memory_current; + uint64_t memory_min; + uint64_t memory_low; + uint64_t memory_high; + uint64_t memory_max; + uint64_t memory_swap_max; + uint64_t memory_limit; + uint64_t memory_available; + uint64_t cpu_usage_nsec; + uint64_t tasks_current; + uint64_t tasks_max; + uint64_t ip_ingress_bytes; + uint64_t ip_egress_bytes; + uint64_t io_read_bytes; + uint64_t io_write_bytes; + + uint64_t default_memory_min; + uint64_t default_memory_low; + + LIST_HEAD(ExecStatusInfo, exec_status_info_list); +} UnitStatusInfo; + +static void unit_status_info_free(UnitStatusInfo *info) { + ExecStatusInfo *p; + UnitCondition *c; + + strv_free(info->documentation); + strv_free(info->dropin_paths); + strv_free(info->triggered_by); + strv_free(info->triggers); + strv_free(info->listen); + + while ((c = info->conditions)) { + LIST_REMOVE(conditions, info->conditions, c); + unit_condition_free(c); + } + + while ((p = info->exec_status_info_list)) { + LIST_REMOVE(exec_status_info_list, info->exec_status_info_list, p); + exec_status_info_free(p); + } +} + +static void format_active_state(const char *active_state, const char **active_on, const char **active_off) { + if (streq_ptr(active_state, "failed")) { + *active_on = ansi_highlight_red(); + *active_off = ansi_normal(); + } else if (STRPTR_IN_SET(active_state, "active", "reloading")) { + *active_on = ansi_highlight_green(); + *active_off = ansi_normal(); + } else + *active_on = *active_off = ""; +} + +static void format_enable_state(const char *enable_state, const char **enable_on, const char **enable_off) { + assert(enable_on); + assert(enable_off); + + if (streq_ptr(enable_state, "disabled")) { + *enable_on = ansi_highlight_yellow(); + *enable_off = ansi_normal(); + } else if (streq_ptr(enable_state, "enabled")) { + *enable_on = ansi_highlight_green(); + *enable_off = ansi_normal(); + } else + *enable_on = *enable_off = ""; +} + +static void print_status_info( + sd_bus *bus, + UnitStatusInfo *i, + bool *ellipsized) { + + const char *active_on, *active_off, *on, *off, *ss, *fs; + const char *enable_on, *enable_off, *preset_on, *preset_off; + _cleanup_free_ char *formatted_path = NULL; + usec_t timestamp; + const char *path; + int r; + + assert(i); + + /* This shows pretty information about a unit. See print_property() for a low-level property + * printer */ + + format_active_state(i->active_state, &active_on, &active_off); + format_enable_state(i->unit_file_state, &enable_on, &enable_off); + format_enable_state(i->unit_file_preset, &preset_on, &preset_off); + + const SpecialGlyph glyph = unit_active_state_to_glyph(unit_active_state_from_string(i->active_state)); + + printf("%s%s%s %s", active_on, special_glyph(glyph), active_off, strna(i->id)); + + if (i->description && !streq_ptr(i->id, i->description)) + printf(" - %s", i->description); + + printf("\n"); + + if (i->following) + printf(" Follows: unit currently follows state of %s\n", i->following); + + if (STRPTR_IN_SET(i->load_state, "error", "not-found", "bad-setting")) { + on = ansi_highlight_red(); + off = ansi_normal(); + } else + on = off = ""; + + path = i->source_path ?: i->fragment_path; + if (path && terminal_urlify_path(path, NULL, &formatted_path) >= 0) + path = formatted_path; + + if (!isempty(i->load_error)) + printf(" Loaded: %s%s%s (Reason: %s)\n", + on, strna(i->load_state), off, i->load_error); + else if (path && !isempty(i->unit_file_state)) { + bool show_preset = !isempty(i->unit_file_preset) && + show_preset_for_state(unit_file_state_from_string(i->unit_file_state)); + + printf(" Loaded: %s%s%s (%s; %s%s%s%s%s%s%s)\n", + on, strna(i->load_state), off, + path, + enable_on, i->unit_file_state, enable_off, + show_preset ? "; preset: " : "", + preset_on, show_preset ? i->unit_file_preset : "", preset_off); + + } else if (path) + printf(" Loaded: %s%s%s (%s)\n", + on, strna(i->load_state), off, path); + else + printf(" Loaded: %s%s%s\n", + on, strna(i->load_state), off); + + if (i->transient) + printf(" Transient: yes\n"); + + if (!strv_isempty(i->dropin_paths)) { + _cleanup_free_ char *dir = NULL; + bool last = false; + + STRV_FOREACH(dropin, i->dropin_paths) { + _cleanup_free_ char *dropin_formatted = NULL; + const char *df; + + if (!dir || last) { + printf(dir ? " " : + " Drop-In: "); + + dir = mfree(dir); + + r = path_extract_directory(*dropin, &dir); + if (r < 0) { + log_error_errno(r, "Failed to extract directory of '%s': %m", *dropin); + break; + } + + printf("%s\n" + " %s", dir, + special_glyph(SPECIAL_GLYPH_TREE_RIGHT)); + } + + last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir)); + + if (terminal_urlify_path(*dropin, basename(*dropin), &dropin_formatted) >= 0) + df = dropin_formatted; + else + df = *dropin; + + printf("%s%s", df, last ? "\n" : ", "); + } + } + + ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state; + if (ss) + printf(" Active: %s%s (%s)%s", + active_on, strna(i->active_state), ss, active_off); + else + printf(" Active: %s%s%s", + active_on, strna(i->active_state), active_off); + + fs = !isempty(i->freezer_state) && !streq(i->freezer_state, "running") ? i->freezer_state : NULL; + if (fs) + printf(" %s(%s)%s", ansi_highlight_yellow(), fs, ansi_normal()); + + if (!isempty(i->result) && !streq(i->result, "success")) + printf(" (Result: %s)", i->result); + + timestamp = STRPTR_IN_SET(i->active_state, "active", "reloading") ? i->active_enter_timestamp : + STRPTR_IN_SET(i->active_state, "inactive", "failed") ? i->inactive_enter_timestamp : + STRPTR_IN_SET(i->active_state, "activating") ? i->inactive_exit_timestamp : + i->active_exit_timestamp; + + if (timestamp_is_set(timestamp)) { + printf(" since %s; %s\n", + FORMAT_TIMESTAMP_STYLE(timestamp, arg_timestamp_style), + FORMAT_TIMESTAMP_RELATIVE(timestamp)); + if (streq_ptr(i->active_state, "active") && i->runtime_max_sec < USEC_INFINITY) { + usec_t until_timestamp; + + until_timestamp = usec_add(timestamp, i->runtime_max_sec); + printf(" Until: %s; %s\n", + FORMAT_TIMESTAMP_STYLE(until_timestamp, arg_timestamp_style), + FORMAT_TIMESTAMP_RELATIVE(until_timestamp)); + } + + if (!endswith(i->id, ".target") && + STRPTR_IN_SET(i->active_state, "inactive", "failed") && + timestamp_is_set(i->active_enter_timestamp) && + timestamp_is_set(i->active_exit_timestamp) && + i->active_exit_timestamp >= i->active_enter_timestamp) { + + usec_t duration; + + duration = i->active_exit_timestamp - i->active_enter_timestamp; + printf(" Duration: %s\n", FORMAT_TIMESPAN(duration, MSEC_PER_SEC)); + } + } else + printf("\n"); + + STRV_FOREACH(t, i->triggered_by) { + UnitActiveState state = _UNIT_ACTIVE_STATE_INVALID; + + (void) get_state_one_unit(bus, *t, &state); + format_active_state(unit_active_state_to_string(state), &on, &off); + + printf("%s %s%s%s %s\n", + t == i->triggered_by ? "TriggeredBy:" : " ", + on, special_glyph(unit_active_state_to_glyph(state)), off, + *t); + } + + if (endswith(i->id, ".timer")) { + dual_timestamp nw, next = {i->next_elapse_real, i->next_elapse_monotonic}; + usec_t next_elapse; + + dual_timestamp_get(&nw); + next_elapse = calc_next_elapse(&nw, &next); + + if (timestamp_is_set(next_elapse)) + printf(" Trigger: %s; %s\n", + FORMAT_TIMESTAMP_STYLE(next_elapse, arg_timestamp_style), + FORMAT_TIMESTAMP_RELATIVE(next_elapse)); + else + printf(" Trigger: n/a\n"); + } + + STRV_FOREACH(t, i->triggers) { + UnitActiveState state = _UNIT_ACTIVE_STATE_INVALID; + + (void) get_state_one_unit(bus, *t, &state); + format_active_state(unit_active_state_to_string(state), &on, &off); + + printf("%s %s%s%s %s\n", + t == i->triggers ? " Triggers:" : " ", + on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off, + *t); + } + + if (!i->condition_result && i->condition_timestamp > 0) { + int n = 0; + + printf(" Condition: start %scondition failed%s at %s; %s\n", + ansi_highlight_yellow(), ansi_normal(), + FORMAT_TIMESTAMP_STYLE(i->condition_timestamp, arg_timestamp_style), + FORMAT_TIMESTAMP_RELATIVE(i->condition_timestamp)); + + LIST_FOREACH(conditions, c, i->conditions) + if (c->tristate < 0) + n++; + + LIST_FOREACH(conditions, c, i->conditions) + if (c->tristate < 0) + printf(" %s %s=%s%s%s was not met\n", + --n ? special_glyph(SPECIAL_GLYPH_TREE_BRANCH) : special_glyph(SPECIAL_GLYPH_TREE_RIGHT), + c->name, + c->trigger ? "|" : "", + c->negate ? "!" : "", + c->param); + } + + if (!i->assert_result && i->assert_timestamp > 0) { + printf(" Assert: start %sassertion failed%s at %s; %s\n", + ansi_highlight_red(), ansi_normal(), + FORMAT_TIMESTAMP_STYLE(i->assert_timestamp, arg_timestamp_style), + FORMAT_TIMESTAMP_RELATIVE(i->assert_timestamp)); + if (i->failed_assert_trigger) + printf(" none of the trigger assertions were met\n"); + else if (i->failed_assert) + printf(" %s=%s%s was not met\n", + i->failed_assert, + i->failed_assert_negate ? "!" : "", + i->failed_assert_parameter); + } + + if (i->sysfs_path) + printf(" Device: %s\n", i->sysfs_path); + if (i->where) + printf(" Where: %s\n", i->where); + if (i->what) + printf(" What: %s\n", i->what); + + STRV_FOREACH(t, i->documentation) { + _cleanup_free_ char *formatted = NULL; + const char *q; + + if (terminal_urlify(*t, NULL, &formatted) >= 0) + q = formatted; + else + q = *t; + + printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", q); + } + + STRV_FOREACH_PAIR(t, t2, i->listen) + printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t); + + if (i->accept) { + printf(" Accepted: %u; Connected: %u;", i->n_accepted, i->n_connections); + if (i->n_refused) + printf(" Refused: %u", i->n_refused); + printf("\n"); + } + + LIST_FOREACH(exec_status_info_list, p, i->exec_status_info_list) { + _cleanup_free_ char *argv = NULL; + bool good; + + /* Only show exited processes here */ + if (p->code == 0) + continue; + + /* Don't print ExecXYZEx= properties here since it will appear as a + * duplicate of the non-Ex= variant. */ + if (endswith(p->name, "Ex")) + continue; + + argv = strv_join(p->argv, " "); + printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv)); + + good = is_clean_exit(p->code, p->status, EXIT_CLEAN_DAEMON, NULL); + if (!good) { + on = p->ignore ? ansi_highlight_yellow() : ansi_highlight_red(); + off = ansi_normal(); + } else + on = off = ""; + + printf("%s(code=%s, ", on, sigchld_code_to_string(p->code)); + + if (p->code == CLD_EXITED) { + const char *c; + + printf("status=%i", p->status); + + c = exit_status_to_string(p->status, EXIT_STATUS_LIBC | EXIT_STATUS_SYSTEMD); + if (c) + printf("/%s", c); + + } else + printf("signal=%s", signal_to_string(p->status)); + + printf(")%s\n", off); + + if (i->main_pid == p->pid && + i->start_timestamp == p->start_timestamp && + i->exit_timestamp == p->start_timestamp) + /* Let's not show this twice */ + i->main_pid = 0; + + if (p->pid == i->control_pid) + i->control_pid = 0; + } + + if (i->main_pid > 0 || i->control_pid > 0) { + if (i->main_pid > 0) { + printf(" Main PID: "PID_FMT, i->main_pid); + + if (i->running) { + + if (arg_transport == BUS_TRANSPORT_LOCAL) { + _cleanup_free_ char *comm = NULL; + + (void) get_process_comm(i->main_pid, &comm); + if (comm) + printf(" (%s)", comm); + } + + } else if (i->exit_code > 0) { + printf(" (code=%s, ", sigchld_code_to_string(i->exit_code)); + + if (i->exit_code == CLD_EXITED) { + const char *c; + + printf("status=%i", i->exit_status); + + c = exit_status_to_string(i->exit_status, + EXIT_STATUS_LIBC | EXIT_STATUS_SYSTEMD); + if (c) + printf("/%s", c); + + } else + printf("signal=%s", signal_to_string(i->exit_status)); + printf(")"); + } + } + + if (i->control_pid > 0) { + _cleanup_free_ char *c = NULL; + + if (i->main_pid > 0) + fputs("; Control PID: ", stdout); + else + fputs(" Cntrl PID: ", stdout); /* if first in column, abbreviated so it fits alignment */ + + printf(PID_FMT, i->control_pid); + + if (arg_transport == BUS_TRANSPORT_LOCAL) { + (void) get_process_comm(i->control_pid, &c); + if (c) + printf(" (%s)", c); + } + } + + printf("\n"); + } + + if (i->status_text) + printf(" Status: \"%s\"\n", i->status_text); + if (i->status_errno > 0) { + errno = i->status_errno; + printf(" Error: %i (%m)\n", i->status_errno); + } + + if (i->ip_ingress_bytes != UINT64_MAX && i->ip_egress_bytes != UINT64_MAX) + printf(" IP: %s in, %s out\n", + FORMAT_BYTES(i->ip_ingress_bytes), + FORMAT_BYTES(i->ip_egress_bytes)); + + if (i->io_read_bytes != UINT64_MAX && i->io_write_bytes != UINT64_MAX) + printf(" IO: %s read, %s written\n", + FORMAT_BYTES(i->io_read_bytes), + FORMAT_BYTES(i->io_write_bytes)); + + if (i->tasks_current != UINT64_MAX) { + printf(" Tasks: %" PRIu64, i->tasks_current); + + if (i->tasks_max != UINT64_MAX) + printf(" (limit: %" PRIu64 ")\n", i->tasks_max); + else + printf("\n"); + } + + if (i->memory_current != UINT64_MAX) { + printf(" Memory: %s", FORMAT_BYTES(i->memory_current)); + + if (i->memory_min > 0 || i->memory_low > 0 || + i->memory_high != CGROUP_LIMIT_MAX || i->memory_max != CGROUP_LIMIT_MAX || + i->memory_swap_max != CGROUP_LIMIT_MAX || + i->memory_available != CGROUP_LIMIT_MAX || + i->memory_limit != CGROUP_LIMIT_MAX) { + const char *prefix = ""; + + printf(" ("); + if (i->memory_min > 0) { + printf("%smin: %s", prefix, FORMAT_BYTES_CGROUP_PROTECTION(i->memory_min)); + prefix = " "; + } + if (i->memory_low > 0) { + printf("%slow: %s", prefix, FORMAT_BYTES_CGROUP_PROTECTION(i->memory_low)); + prefix = " "; + } + if (i->memory_high != CGROUP_LIMIT_MAX) { + printf("%shigh: %s", prefix, FORMAT_BYTES(i->memory_high)); + prefix = " "; + } + if (i->memory_max != CGROUP_LIMIT_MAX) { + printf("%smax: %s", prefix, FORMAT_BYTES(i->memory_max)); + prefix = " "; + } + if (i->memory_swap_max != CGROUP_LIMIT_MAX) { + printf("%sswap max: %s", prefix, FORMAT_BYTES(i->memory_swap_max)); + prefix = " "; + } + if (i->memory_limit != CGROUP_LIMIT_MAX) { + printf("%slimit: %s", prefix, FORMAT_BYTES(i->memory_limit)); + prefix = " "; + } + if (i->memory_available != CGROUP_LIMIT_MAX) { + printf("%savailable: %s", prefix, FORMAT_BYTES(i->memory_available)); + prefix = " "; + } + printf(")"); + } + printf("\n"); + } + + if (i->cpu_usage_nsec != UINT64_MAX) + printf(" CPU: %s\n", FORMAT_TIMESPAN(i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC)); + + if (i->control_group) { + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + static const char prefix[] = " "; + unsigned c; + + printf(" CGroup: %s\n", i->control_group); + + c = LESS_BY(columns(), strlen(prefix)); + + r = unit_show_processes(bus, i->id, i->control_group, prefix, c, get_output_flags(), &error); + if (r == -EBADR && arg_transport == BUS_TRANSPORT_LOCAL) { + unsigned k = 0; + pid_t extra[2]; + + /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */ + + if (i->main_pid > 0) + extra[k++] = i->main_pid; + + if (i->control_pid > 0) + extra[k++] = i->control_pid; + + show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, extra, k, get_output_flags()); + } else if (r < 0) + log_warning_errno(r, "Failed to dump process list for '%s', ignoring: %s", + i->id, bus_error_message(&error, r)); + } + + if (i->id && arg_transport == BUS_TRANSPORT_LOCAL) + show_journal_by_unit( + stdout, + i->id, + i->log_namespace, + arg_output, + 0, + i->inactive_exit_timestamp_monotonic, + arg_lines, + getuid(), + get_output_flags() | OUTPUT_BEGIN_NEWLINE, + SD_JOURNAL_LOCAL_ONLY, + arg_scope == LOOKUP_SCOPE_SYSTEM, + ellipsized); + + if (i->need_daemon_reload) + warn_unit_file_changed(i->id); +} + +static void show_unit_help(UnitStatusInfo *i) { + assert(i); + + if (!i->documentation) { + log_info("Documentation for %s not known.", i->id); + return; + } + + STRV_FOREACH(p, i->documentation) + if (startswith(*p, "man:")) + show_man_page(*p + 4, false); + else + log_info("Can't show: %s", *p); +} + +static int map_main_pid(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) { + UnitStatusInfo *i = userdata; + uint32_t u; + int r; + + r = sd_bus_message_read(m, "u", &u); + if (r < 0) + return r; + + i->main_pid = (pid_t) u; + i->running = u > 0; + + return 0; +} + +static int map_load_error(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) { + const char *message, **p = userdata; + int r; + + r = sd_bus_message_read(m, "(ss)", NULL, &message); + if (r < 0) + return r; + + if (!isempty(message)) + *p = message; + + return 0; +} + +static int map_listen(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) { + const char *type, *path; + char ***p = userdata; + int r; + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)"); + if (r < 0) + return r; + + while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) { + + r = strv_extend(p, type); + if (r < 0) + return r; + + r = strv_extend(p, path); + if (r < 0) + return r; + } + if (r < 0) + return r; + + r = sd_bus_message_exit_container(m); + if (r < 0) + return r; + + return 0; +} + +static int map_conditions(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) { + UnitStatusInfo *i = userdata; + const char *cond, *param; + int trigger, negate; + int32_t state; + int r; + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)"); + if (r < 0) + return r; + + while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, ¶m, &state)) > 0) { + _cleanup_(unit_condition_freep) UnitCondition *c = NULL; + + c = new(UnitCondition, 1); + if (!c) + return -ENOMEM; + + *c = (UnitCondition) { + .name = strdup(cond), + .param = strdup(param), + .trigger = trigger, + .negate = negate, + .tristate = state, + }; + + if (!c->name || !c->param) + return -ENOMEM; + + LIST_PREPEND(conditions, i->conditions, TAKE_PTR(c)); + } + if (r < 0) + return r; + + r = sd_bus_message_exit_container(m); + if (r < 0) + return r; + + return 0; +} + +static int map_asserts(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) { + UnitStatusInfo *i = userdata; + const char *cond, *param; + int trigger, negate; + int32_t state; + int r; + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)"); + if (r < 0) + return r; + + while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, ¶m, &state)) > 0) { + if (state < 0 && (!trigger || !i->failed_assert)) { + i->failed_assert = cond; + i->failed_assert_trigger = trigger; + i->failed_assert_negate = negate; + i->failed_assert_parameter = param; + } + } + if (r < 0) + return r; + + r = sd_bus_message_exit_container(m); + if (r < 0) + return r; + + return 0; +} + +static int map_exec(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) { + _cleanup_free_ ExecStatusInfo *info = NULL; + ExecStatusInfo *last; + UnitStatusInfo *i = userdata; + bool is_ex_prop = endswith(member, "Ex"); + int r; + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, is_ex_prop ? "(sasasttttuii)" : "(sasbttttuii)"); + if (r < 0) + return r; + + info = new0(ExecStatusInfo, 1); + if (!info) + return -ENOMEM; + + LIST_FIND_TAIL(exec_status_info_list, i->exec_status_info_list, last); + + while ((r = exec_status_info_deserialize(m, info, is_ex_prop)) > 0) { + + info->name = strdup(member); + if (!info->name) + return -ENOMEM; + + LIST_INSERT_AFTER(exec_status_info_list, i->exec_status_info_list, last, info); + last = info; + + info = new0(ExecStatusInfo, 1); + if (!info) + return -ENOMEM; + } + if (r < 0) + return r; + + r = sd_bus_message_exit_container(m); + if (r < 0) + return r; + + return 0; +} + +static int print_property(const char *name, const char *expected_value, sd_bus_message *m, BusPrintPropertyFlags flags) { + char bus_type; + const char *contents; + int r; + + assert(name); + assert(m); + + /* This is a low-level property printer, see print_status_info() for the nicer output */ + + r = sd_bus_message_peek_type(m, &bus_type, &contents); + if (r < 0) + return r; + + switch (bus_type) { + + case SD_BUS_TYPE_INT32: + if (endswith(name, "ActionExitStatus")) { + int32_t i; + + r = sd_bus_message_read_basic(m, bus_type, &i); + if (r < 0) + return r; + + if (i >= 0 && i <= 255) + bus_print_property_valuef(name, expected_value, flags, "%"PRIi32, i); + else if (FLAGS_SET(flags, BUS_PRINT_PROPERTY_SHOW_EMPTY)) + bus_print_property_value(name, expected_value, flags, "[not set]"); + + return 1; + } else if (streq(name, "NUMAPolicy")) { + int32_t i; + + r = sd_bus_message_read_basic(m, bus_type, &i); + if (r < 0) + return r; + + bus_print_property_valuef(name, expected_value, flags, "%s", strna(mpol_to_string(i))); + + return 1; + } + break; + + case SD_BUS_TYPE_UINT64: + if (endswith(name, "Timestamp")) { + uint64_t timestamp; + + r = sd_bus_message_read_basic(m, bus_type, ×tamp); + if (r < 0) + return r; + + bus_print_property_value(name, expected_value, flags, FORMAT_TIMESTAMP_STYLE(timestamp, arg_timestamp_style)); + + return 1; + } + break; + + case SD_BUS_TYPE_STRUCT: + + if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) { + uint32_t u; + + r = sd_bus_message_read(m, "(uo)", &u, NULL); + if (r < 0) + return bus_log_parse_error(r); + + if (u > 0) + bus_print_property_valuef(name, expected_value, flags, "%"PRIu32, u); + else + bus_print_property_value(name, expected_value, flags, NULL); + + return 1; + + } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "Unit")) { + const char *s; + + r = sd_bus_message_read(m, "(so)", &s, NULL); + if (r < 0) + return bus_log_parse_error(r); + + bus_print_property_value(name, expected_value, flags, s); + + return 1; + + } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) { + const char *a = NULL, *b = NULL; + + r = sd_bus_message_read(m, "(ss)", &a, &b); + if (r < 0) + return bus_log_parse_error(r); + + if (!isempty(a) || !isempty(b)) + bus_print_property_valuef(name, expected_value, flags, "%s \"%s\"", strempty(a), strempty(b)); + else + bus_print_property_value(name, expected_value, flags, NULL); + + return 1; + + } else if (STR_IN_SET(name, "SystemCallFilter", "SystemCallLog", "RestrictAddressFamilies", "RestrictNetworkInterfaces", "RestrictFileSystems")) { + _cleanup_strv_free_ char **l = NULL; + int allow_list; + + 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", &allow_list); + 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 (FLAGS_SET(flags, BUS_PRINT_PROPERTY_SHOW_EMPTY) || allow_list || !strv_isempty(l)) { + bool first = true; + + if (!FLAGS_SET(flags, BUS_PRINT_PROPERTY_ONLY_VALUE)) { + fputs(name, stdout); + fputc('=', stdout); + } + + if (!allow_list) + fputc('~', stdout); + + STRV_FOREACH(i, l) { + if (first) + first = false; + else + fputc(' ', stdout); + + fputs(*i, stdout); + } + fputc('\n', stdout); + } + + return 1; + + } else if (STR_IN_SET(name, "SELinuxContext", "AppArmorProfile", "SmackProcessLabel")) { + int ignore; + const char *s; + + r = sd_bus_message_read(m, "(bs)", &ignore, &s); + if (r < 0) + return bus_log_parse_error(r); + + if (!isempty(s)) + bus_print_property_valuef(name, expected_value, flags, "%s%s", ignore ? "-" : "", s); + else + bus_print_property_value(name, expected_value, flags, NULL); + + return 1; + + } else if (endswith(name, "ExitStatus") && streq(contents, "aiai")) { + const int32_t *status, *signal; + size_t n_status, n_signal; + + r = sd_bus_message_enter_container(m, 'r', "aiai"); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_read_array(m, 'i', (const void **) &status, &n_status); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_read_array(m, 'i', (const void **) &signal, &n_signal); + 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); + + n_status /= sizeof(int32_t); + n_signal /= sizeof(int32_t); + + if (FLAGS_SET(flags, BUS_PRINT_PROPERTY_SHOW_EMPTY) || n_status > 0 || n_signal > 0) { + bool first = true; + + if (!FLAGS_SET(flags, BUS_PRINT_PROPERTY_ONLY_VALUE)) { + fputs(name, stdout); + fputc('=', stdout); + } + + for (size_t i = 0; i < n_status; i++) { + if (first) + first = false; + else + fputc(' ', stdout); + + printf("%"PRIi32, status[i]); + } + + for (size_t i = 0; i < n_signal; i++) { + const char *str; + + str = signal_to_string((int) signal[i]); + + if (first) + first = false; + else + fputc(' ', stdout); + + if (str) + fputs(str, stdout); + else + printf("%"PRIi32, status[i]); + } + + fputc('\n', stdout); + } + return 1; + } + + break; + + case SD_BUS_TYPE_ARRAY: + + if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) { + const char *path; + int ignore; + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0) + bus_print_property_valuef(name, expected_value, flags, "%s (ignore_errors=%s)", path, yes_no(ignore)); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + return 1; + + } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) { + const char *type, *path; + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) + bus_print_property_valuef(name, expected_value, flags, "%s (%s)", path, type); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + return 1; + + } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) { + const char *type, *path; + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) + bus_print_property_valuef(name, expected_value, flags, "%s (%s)", path, type); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + return 1; + + } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersMonotonic")) { + const char *base; + uint64_t v, next_elapse; + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = sd_bus_message_read(m, "(stt)", &base, &v, &next_elapse)) > 0) + bus_print_property_valuef(name, expected_value, flags, + "{ %s=%s ; next_elapse=%s }", + base, + strna(FORMAT_TIMESPAN(v, 0)), + strna(FORMAT_TIMESPAN(next_elapse, 0))); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + return 1; + + } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersCalendar")) { + const char *base, *spec; + uint64_t next_elapse; + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sst)"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = sd_bus_message_read(m, "(sst)", &base, &spec, &next_elapse)) > 0) + bus_print_property_valuef(name, expected_value, flags, + "{ %s=%s ; next_elapse=%s }", base, spec, + FORMAT_TIMESTAMP_STYLE(next_elapse, arg_timestamp_style)); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + return 1; + + } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) { + ExecStatusInfo info = {}; + bool is_ex_prop = endswith(name, "Ex"); + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, is_ex_prop ? "(sasasttttuii)" : "(sasbttttuii)"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = exec_status_info_deserialize(m, &info, is_ex_prop)) > 0) { + _cleanup_strv_free_ char **optv = NULL; + _cleanup_free_ char *tt = NULL, *o = NULL; + + tt = strv_join(info.argv, " "); + + if (is_ex_prop) { + r = exec_command_flags_to_strv(info.flags, &optv); + if (r < 0) + return log_error_errno(r, "Failed to convert ExecCommandFlags to strv: %m"); + + o = strv_join(optv, " "); + + bus_print_property_valuef(name, expected_value, flags, + "{ path=%s ; argv[]=%s ; flags=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }", + strna(info.path), + strna(tt), + strna(o), + strna(FORMAT_TIMESTAMP_STYLE(info.start_timestamp, arg_timestamp_style)), + strna(FORMAT_TIMESTAMP_STYLE(info.exit_timestamp, arg_timestamp_style)), + info.pid, + sigchld_code_to_string(info.code), + info.status, + info.code == CLD_EXITED ? "" : "/", + strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status))); + } else + bus_print_property_valuef(name, expected_value, flags, + "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }", + strna(info.path), + strna(tt), + yes_no(info.ignore), + strna(FORMAT_TIMESTAMP_STYLE(info.start_timestamp, arg_timestamp_style)), + strna(FORMAT_TIMESTAMP_STYLE(info.exit_timestamp, arg_timestamp_style)), + info.pid, + sigchld_code_to_string(info.code), + info.status, + info.code == CLD_EXITED ? "" : "/", + strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status))); + + free(info.path); + strv_free(info.argv); + zero(info); + } + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + return 1; + + } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) { + const char *path, *rwm; + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0) + bus_print_property_valuef(name, expected_value, flags, "%s %s", strna(path), strna(rwm)); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + return 1; + + } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && + STR_IN_SET(name, "IODeviceWeight", "BlockIODeviceWeight")) { + const char *path; + uint64_t weight; + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0) + bus_print_property_valuef(name, expected_value, flags, "%s %"PRIu64, strna(path), weight); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + return 1; + + } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && + (cgroup_io_limit_type_from_string(name) >= 0 || + STR_IN_SET(name, "BlockIOReadBandwidth", "BlockIOWriteBandwidth"))) { + const char *path; + uint64_t bandwidth; + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0) + bus_print_property_valuef(name, expected_value, flags, "%s %"PRIu64, strna(path), bandwidth); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + return 1; + + } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && + streq(name, "IODeviceLatencyTargetUSec")) { + const char *path; + uint64_t target; + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = sd_bus_message_read(m, "(st)", &path, &target)) > 0) + bus_print_property_valuef(name, expected_value, flags, "%s %s", strna(path), + FORMAT_TIMESPAN(target, 1)); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + return 1; + + } else if (contents[0] == SD_BUS_TYPE_BYTE && STR_IN_SET(name, "StandardInputData", "RootHashSignature")) { + _cleanup_free_ char *h = NULL; + const void *p; + size_t sz; + ssize_t n; + + r = sd_bus_message_read_array(m, 'y', &p, &sz); + if (r < 0) + return bus_log_parse_error(r); + + n = base64mem(p, sz, &h); + if (n < 0) + return log_oom(); + + bus_print_property_value(name, expected_value, flags, h); + + return 1; + + } else if (STR_IN_SET(name, "IPAddressAllow", "IPAddressDeny")) { + _cleanup_free_ char *addresses = NULL; + + r = sd_bus_message_enter_container(m, 'a', "(iayu)"); + if (r < 0) + return bus_log_parse_error(r); + + for (;;) { + uint32_t prefixlen; + int32_t family; + const void *ap; + size_t an; + + r = sd_bus_message_enter_container(m, 'r', "iayu"); + if (r < 0) + return bus_log_parse_error(r); + if (r == 0) + break; + + r = sd_bus_message_read(m, "i", &family); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_read_array(m, 'y', &ap, &an); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_read(m, "u", &prefixlen); + 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 (!IN_SET(family, AF_INET, AF_INET6)) + continue; + + if (an != FAMILY_ADDRESS_SIZE(family)) + continue; + + if (prefixlen > FAMILY_ADDRESS_SIZE(family) * 8) + continue; + + if (!strextend_with_separator(&addresses, " ", + IN_ADDR_PREFIX_TO_STRING(family, ap, prefixlen))) + return log_oom(); + } + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + bus_print_property_value(name, expected_value, flags, addresses); + + return 1; + + } else if (STR_IN_SET(name, "BindPaths", "BindReadOnlyPaths")) { + _cleanup_free_ char *paths = NULL; + const char *source, *dest; + int ignore_enoent; + uint64_t rbind; + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ssbt)"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = sd_bus_message_read(m, "(ssbt)", &source, &dest, &ignore_enoent, &rbind)) > 0) { + _cleanup_free_ char *str = NULL; + + if (isempty(source)) + continue; + + if (asprintf(&str, "%s%s%s%s%s", + ignore_enoent ? "-" : "", + source, + isempty(dest) ? "" : ":", + strempty(dest), + rbind == MS_REC ? ":rbind" : "") < 0) + return log_oom(); + + if (!strextend_with_separator(&paths, " ", str)) + return log_oom(); + } + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + bus_print_property_value(name, expected_value, flags, paths); + + return 1; + + } else if (streq(name, "TemporaryFileSystem")) { + _cleanup_free_ char *paths = NULL; + const char *target, *option; + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = sd_bus_message_read(m, "(ss)", &target, &option)) > 0) { + _cleanup_free_ char *str = NULL; + + if (isempty(target)) + continue; + + if (asprintf(&str, "%s%s%s", target, isempty(option) ? "" : ":", strempty(option)) < 0) + return log_oom(); + + if (!strextend_with_separator(&paths, " ", str)) + return log_oom(); + } + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + bus_print_property_value(name, expected_value, flags, paths); + + return 1; + + } else if (streq(name, "LogExtraFields")) { + _cleanup_free_ char *fields = NULL; + const void *p; + size_t sz; + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "ay"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = sd_bus_message_read_array(m, 'y', &p, &sz)) > 0) { + _cleanup_free_ char *str = NULL; + const char *eq; + + if (memchr(p, 0, sz)) + continue; + + eq = memchr(p, '=', sz); + if (!eq) + continue; + + if (!journal_field_valid(p, eq - (const char*) p, false)) + continue; + + str = malloc(sz + 1); + if (!str) + return log_oom(); + + memcpy(str, p, sz); + str[sz] = '\0'; + + if (!utf8_is_valid(str)) + continue; + + if (!strextend_with_separator(&fields, " ", str)) + return log_oom(); + } + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + bus_print_property_value(name, expected_value, flags, fields); + + return 1; + } else if (contents[0] == SD_BUS_TYPE_BYTE && + STR_IN_SET(name, + "CPUAffinity", "NUMAMask", "AllowedCPUs", "AllowedMemoryNodes", + "EffectiveCPUs", "EffectiveMemoryNodes")) { + + _cleanup_free_ char *affinity = NULL; + _cleanup_(cpu_set_reset) CPUSet set = {}; + const void *a; + size_t n; + + r = sd_bus_message_read_array(m, 'y', &a, &n); + if (r < 0) + return bus_log_parse_error(r); + + r = cpu_set_from_dbus(a, n, &set); + if (r < 0) + return log_error_errno(r, "Failed to deserialize %s: %m", name); + + affinity = cpu_set_to_range_string(&set); + if (!affinity) + return log_oom(); + + bus_print_property_value(name, expected_value, flags, affinity); + + return 1; + } else if (streq(name, "MountImages")) { + _cleanup_free_ char *paths = NULL; + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ssba(ss))"); + if (r < 0) + return bus_log_parse_error(r); + + for (;;) { + _cleanup_free_ char *str = NULL; + const char *source, *destination, *partition, *mount_options; + int ignore_enoent; + + r = sd_bus_message_enter_container(m, 'r', "ssba(ss)"); + if (r < 0) + return bus_log_parse_error(r); + if (r == 0) + break; + + r = sd_bus_message_read(m, "ssb", &source, &destination, &ignore_enoent); + if (r < 0) + return bus_log_parse_error(r); + + str = strjoin(ignore_enoent ? "-" : "", + source, + ":", + destination); + if (!str) + return log_oom(); + + r = sd_bus_message_enter_container(m, 'a', "(ss)"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = sd_bus_message_read(m, "(ss)", &partition, &mount_options)) > 0) + if (!strextend_with_separator(&str, ":", partition, mount_options)) + return log_oom(); + if (r < 0) + return bus_log_parse_error(r); + + if (!strextend_with_separator(&paths, " ", str)) + return log_oom(); + + r = sd_bus_message_exit_container(m); + 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); + } + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + bus_print_property_value(name, expected_value, flags, paths); + + return 1; + + } else if (streq(name, "ExtensionImages")) { + _cleanup_free_ char *paths = NULL; + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sba(ss))"); + if (r < 0) + return bus_log_parse_error(r); + + for (;;) { + _cleanup_free_ char *str = NULL; + const char *source, *partition, *mount_options; + int ignore_enoent; + + r = sd_bus_message_enter_container(m, 'r', "sba(ss)"); + if (r < 0) + return bus_log_parse_error(r); + if (r == 0) + break; + + r = sd_bus_message_read(m, "sb", &source, &ignore_enoent); + if (r < 0) + return bus_log_parse_error(r); + + str = strjoin(ignore_enoent ? "-" : "", source); + if (!str) + return log_oom(); + + r = sd_bus_message_enter_container(m, 'a', "(ss)"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = sd_bus_message_read(m, "(ss)", &partition, &mount_options)) > 0) + if (!strextend_with_separator(&str, ":", partition, mount_options)) + return log_oom(); + if (r < 0) + return bus_log_parse_error(r); + + if (!strextend_with_separator(&paths, " ", str)) + return log_oom(); + + r = sd_bus_message_exit_container(m); + 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); + } + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + bus_print_property_value(name, expected_value, flags, paths); + + return 1; + + } else if (streq(name, "BPFProgram")) { + const char *a, *p; + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = sd_bus_message_read(m, "(ss)", &a, &p)) > 0) + bus_print_property_valuef(name, expected_value, flags, "%s:%s", a, p); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + return 1; + } else if (STR_IN_SET(name, "SocketBindAllow", "SocketBindDeny")) { + uint16_t nr_ports, port_min; + int32_t af, ip_protocol; + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(iiqq)"); + if (r < 0) + return bus_log_parse_error(r); + while ((r = sd_bus_message_read(m, "(iiqq)", &af, &ip_protocol, &nr_ports, &port_min)) > 0) { + const char *family, *colon1, *protocol = "", *colon2 = ""; + + family = strempty(af_to_ipv4_ipv6(af)); + colon1 = isempty(family) ? "" : ":"; + + if (ip_protocol != 0) { + protocol = ip_protocol_to_tcp_udp(ip_protocol); + colon2 = ""; + } + + if (nr_ports == 0) + bus_print_property_valuef(name, expected_value, flags, "%s%s%s%sany", + family, colon1, protocol, colon2); + else if (nr_ports == 1) + bus_print_property_valuef( + name, expected_value, flags, "%s%s%s%s%hu", + family, colon1, protocol, colon2, port_min); + else + bus_print_property_valuef( + name, expected_value, flags, "%s%s%s%s%hu-%hu", + family, colon1, protocol, colon2, port_min, + (uint16_t) (port_min + nr_ports - 1)); + } + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + return 1; + } else if (STR_IN_SET(name, "StateDirectorySymlink", "RuntimeDirectorySymlink", "CacheDirectorySymlink", "LogsDirectorySymlink")) { + const char *a, *p; + uint64_t symlink_flags; + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sst)"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = sd_bus_message_read(m, "(sst)", &a, &p, &symlink_flags)) > 0) + bus_print_property_valuef(name, expected_value, flags, "%s:%s", a, p); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + return 1; + } + + break; + } + + return 0; +} + +typedef enum SystemctlShowMode{ + SYSTEMCTL_SHOW_PROPERTIES, + SYSTEMCTL_SHOW_STATUS, + SYSTEMCTL_SHOW_HELP, + _SYSTEMCTL_SHOW_MODE_MAX, + _SYSTEMCTL_SHOW_MODE_INVALID = -EINVAL, +} SystemctlShowMode; + +static const char* const systemctl_show_mode_table[_SYSTEMCTL_SHOW_MODE_MAX] = { + [SYSTEMCTL_SHOW_PROPERTIES] = "show", + [SYSTEMCTL_SHOW_STATUS] = "status", + [SYSTEMCTL_SHOW_HELP] = "help", +}; + +DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(systemctl_show_mode, SystemctlShowMode); + +static int show_one( + sd_bus *bus, + const char *path, + const char *unit, + SystemctlShowMode show_mode, + bool *new_line, + bool *ellipsized) { + + static const struct bus_properties_map property_map[] = { + { "Id", "s", NULL, offsetof(UnitStatusInfo, id) }, + { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) }, + { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) }, + { "FreezerState", "s", NULL, offsetof(UnitStatusInfo, freezer_state) }, + { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) }, + {} + }, status_map[] = { + { "Id", "s", NULL, offsetof(UnitStatusInfo, id) }, + { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) }, + { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) }, + { "FreezerState", "s", NULL, offsetof(UnitStatusInfo, freezer_state) }, + { "SubState", "s", NULL, offsetof(UnitStatusInfo, sub_state) }, + { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) }, + { "UnitFilePreset", "s", NULL, offsetof(UnitStatusInfo, unit_file_preset) }, + { "Description", "s", NULL, offsetof(UnitStatusInfo, description) }, + { "Following", "s", NULL, offsetof(UnitStatusInfo, following) }, + { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) }, + { "FragmentPath", "s", NULL, offsetof(UnitStatusInfo, fragment_path) }, + { "SourcePath", "s", NULL, offsetof(UnitStatusInfo, source_path) }, + { "ControlGroup", "s", NULL, offsetof(UnitStatusInfo, control_group) }, + { "DropInPaths", "as", NULL, offsetof(UnitStatusInfo, dropin_paths) }, + { "LoadError", "(ss)", map_load_error, offsetof(UnitStatusInfo, load_error) }, + { "Result", "s", NULL, offsetof(UnitStatusInfo, result) }, + { "TriggeredBy", "as", NULL, offsetof(UnitStatusInfo, triggered_by) }, + { "Triggers", "as", NULL, offsetof(UnitStatusInfo, triggers) }, + { "InactiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp) }, + { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp_monotonic) }, + { "ActiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_enter_timestamp) }, + { "ActiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_exit_timestamp) }, + { "RuntimeMaxUSec", "t", NULL, offsetof(UnitStatusInfo, runtime_max_sec) }, + { "InactiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_enter_timestamp) }, + { "NeedDaemonReload", "b", NULL, offsetof(UnitStatusInfo, need_daemon_reload) }, + { "Transient", "b", NULL, offsetof(UnitStatusInfo, transient) }, + { "ExecMainPID", "u", NULL, offsetof(UnitStatusInfo, main_pid) }, + { "MainPID", "u", map_main_pid, 0 }, + { "ControlPID", "u", NULL, offsetof(UnitStatusInfo, control_pid) }, + { "StatusText", "s", NULL, offsetof(UnitStatusInfo, status_text) }, + { "PIDFile", "s", NULL, offsetof(UnitStatusInfo, pid_file) }, + { "StatusErrno", "i", NULL, offsetof(UnitStatusInfo, status_errno) }, + { "ExecMainStartTimestamp", "t", NULL, offsetof(UnitStatusInfo, start_timestamp) }, + { "ExecMainExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, exit_timestamp) }, + { "ExecMainCode", "i", NULL, offsetof(UnitStatusInfo, exit_code) }, + { "ExecMainStatus", "i", NULL, offsetof(UnitStatusInfo, exit_status) }, + { "LogNamespace", "s", NULL, offsetof(UnitStatusInfo, log_namespace) }, + { "ConditionTimestamp", "t", NULL, offsetof(UnitStatusInfo, condition_timestamp) }, + { "ConditionResult", "b", NULL, offsetof(UnitStatusInfo, condition_result) }, + { "Conditions", "a(sbbsi)", map_conditions, 0 }, + { "AssertTimestamp", "t", NULL, offsetof(UnitStatusInfo, assert_timestamp) }, + { "AssertResult", "b", NULL, offsetof(UnitStatusInfo, assert_result) }, + { "Asserts", "a(sbbsi)", map_asserts, 0 }, + { "NextElapseUSecRealtime", "t", NULL, offsetof(UnitStatusInfo, next_elapse_real) }, + { "NextElapseUSecMonotonic", "t", NULL, offsetof(UnitStatusInfo, next_elapse_monotonic) }, + { "NAccepted", "u", NULL, offsetof(UnitStatusInfo, n_accepted) }, + { "NConnections", "u", NULL, offsetof(UnitStatusInfo, n_connections) }, + { "NRefused", "u", NULL, offsetof(UnitStatusInfo, n_refused) }, + { "Accept", "b", NULL, offsetof(UnitStatusInfo, accept) }, + { "Listen", "a(ss)", map_listen, offsetof(UnitStatusInfo, listen) }, + { "SysFSPath", "s", NULL, offsetof(UnitStatusInfo, sysfs_path) }, + { "Where", "s", NULL, offsetof(UnitStatusInfo, where) }, + { "What", "s", NULL, offsetof(UnitStatusInfo, what) }, + { "MemoryCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_current) }, + { "MemoryAvailable", "t", NULL, offsetof(UnitStatusInfo, memory_available) }, + { "DefaultMemoryMin", "t", NULL, offsetof(UnitStatusInfo, default_memory_min) }, + { "DefaultMemoryLow", "t", NULL, offsetof(UnitStatusInfo, default_memory_low) }, + { "MemoryMin", "t", NULL, offsetof(UnitStatusInfo, memory_min) }, + { "MemoryLow", "t", NULL, offsetof(UnitStatusInfo, memory_low) }, + { "MemoryHigh", "t", NULL, offsetof(UnitStatusInfo, memory_high) }, + { "MemoryMax", "t", NULL, offsetof(UnitStatusInfo, memory_max) }, + { "MemorySwapMax", "t", NULL, offsetof(UnitStatusInfo, memory_swap_max) }, + { "MemoryLimit", "t", NULL, offsetof(UnitStatusInfo, memory_limit) }, + { "CPUUsageNSec", "t", NULL, offsetof(UnitStatusInfo, cpu_usage_nsec) }, + { "TasksCurrent", "t", NULL, offsetof(UnitStatusInfo, tasks_current) }, + { "TasksMax", "t", NULL, offsetof(UnitStatusInfo, tasks_max) }, + { "IPIngressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_ingress_bytes) }, + { "IPEgressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_egress_bytes) }, + { "IOReadBytes", "t", NULL, offsetof(UnitStatusInfo, io_read_bytes) }, + { "IOWriteBytes", "t", NULL, offsetof(UnitStatusInfo, io_write_bytes) }, + { "ExecCondition", "a(sasbttttuii)", map_exec, 0 }, + { "ExecConditionEx", "a(sasasttttuii)", map_exec, 0 }, + { "ExecStartPre", "a(sasbttttuii)", map_exec, 0 }, + { "ExecStartPreEx", "a(sasasttttuii)", map_exec, 0 }, + { "ExecStart", "a(sasbttttuii)", map_exec, 0 }, + { "ExecStartEx", "a(sasasttttuii)", map_exec, 0 }, + { "ExecStartPost", "a(sasbttttuii)", map_exec, 0 }, + { "ExecStartPostEx", "a(sasasttttuii)", map_exec, 0 }, + { "ExecReload", "a(sasbttttuii)", map_exec, 0 }, + { "ExecReloadEx", "a(sasasttttuii)", map_exec, 0 }, + { "ExecStopPre", "a(sasbttttuii)", map_exec, 0 }, + { "ExecStop", "a(sasbttttuii)", map_exec, 0 }, + { "ExecStopEx", "a(sasasttttuii)", map_exec, 0 }, + { "ExecStopPost", "a(sasbttttuii)", map_exec, 0 }, + { "ExecStopPostEx", "a(sasasttttuii)", map_exec, 0 }, + {} + }; + + _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_set_free_ Set *found_properties = NULL; + _cleanup_(unit_status_info_free) UnitStatusInfo info = { + .runtime_max_sec = USEC_INFINITY, + .memory_current = UINT64_MAX, + .memory_high = CGROUP_LIMIT_MAX, + .memory_max = CGROUP_LIMIT_MAX, + .memory_swap_max = CGROUP_LIMIT_MAX, + .memory_limit = UINT64_MAX, + .memory_available = CGROUP_LIMIT_MAX, + .cpu_usage_nsec = UINT64_MAX, + .tasks_current = UINT64_MAX, + .tasks_max = UINT64_MAX, + .ip_ingress_bytes = UINT64_MAX, + .ip_egress_bytes = UINT64_MAX, + .io_read_bytes = UINT64_MAX, + .io_write_bytes = UINT64_MAX, + }; + int r; + + assert(path); + assert(new_line); + + log_debug("Showing one %s", path); + + r = bus_map_all_properties( + bus, + "org.freedesktop.systemd1", + path, + show_mode == SYSTEMCTL_SHOW_STATUS ? status_map : property_map, + BUS_MAP_BOOLEAN_AS_BOOL, + &error, + &reply, + &info); + if (r < 0) + return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r)); + + if (unit && streq_ptr(info.load_state, "not-found") && streq_ptr(info.active_state, "inactive")) { + log_full(show_mode == SYSTEMCTL_SHOW_PROPERTIES ? LOG_DEBUG : LOG_ERR, + "Unit %s could not be found.", unit); + + if (show_mode == SYSTEMCTL_SHOW_STATUS) + return EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN; + if (show_mode == SYSTEMCTL_SHOW_HELP) + return -ENOENT; + } + + if (*new_line) + printf("\n"); + + *new_line = true; + + if (show_mode == SYSTEMCTL_SHOW_STATUS) { + print_status_info(bus, &info, ellipsized); + + if (info.active_state && !STR_IN_SET(info.active_state, "active", "reloading")) + return EXIT_PROGRAM_NOT_RUNNING; + + return EXIT_PROGRAM_RUNNING_OR_SERVICE_OK; + + } else if (show_mode == SYSTEMCTL_SHOW_HELP) { + show_unit_help(&info); + return 0; + } + + r = sd_bus_message_rewind(reply, true); + if (r < 0) + return log_error_errno(r, "Failed to rewind: %s", bus_error_message(&error, r)); + + r = bus_message_print_all_properties(reply, print_property, arg_properties, arg_print_flags, &found_properties); + if (r < 0) + return bus_log_parse_error(r); + + STRV_FOREACH(pp, arg_properties) + if (!set_contains(found_properties, *pp)) + log_debug("Property %s does not exist.", *pp); + + return 0; +} + +static int get_unit_dbus_path_by_pid( + sd_bus *bus, + uint32_t pid, + char **unit) { + + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; + char *u; + int r; + + r = bus_call_method(bus, bus_systemd_mgr, "GetUnitByPID", &error, &reply, "u", pid); + if (r < 0) + return log_error_errno(r, "Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r)); + + r = sd_bus_message_read(reply, "o", &u); + if (r < 0) + return bus_log_parse_error(r); + + u = strdup(u); + if (!u) + return log_oom(); + + *unit = u; + return 0; +} + +static int show_all( + sd_bus *bus, + SystemctlShowMode show_mode, + bool *new_line, + bool *ellipsized) { + + _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; + _cleanup_free_ UnitInfo *unit_infos = NULL; + unsigned c; + int r, ret = 0; + + r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply); + if (r < 0) + return r; + + pager_open(arg_pager_flags); + + c = (unsigned) r; + + typesafe_qsort(unit_infos, c, unit_info_compare); + + for (const UnitInfo *u = unit_infos; u < unit_infos + c; u++) { + _cleanup_free_ char *p = NULL; + + p = unit_dbus_path_from_name(u->id); + if (!p) + return log_oom(); + + r = show_one(bus, p, u->id, show_mode, new_line, ellipsized); + if (r < 0) + return r; + if (r > 0 && ret == 0) + ret = r; + } + + return ret; +} + +static int show_system_status(sd_bus *bus) { + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_(machine_info_clear) struct machine_info mi = {}; + static const char prefix[] = " "; + _cleanup_free_ char *hn = NULL; + const char *on, *off; + unsigned c; + 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, + BUS_MAP_STRDUP, + &error, + NULL, + &mi); + if (r < 0) + return log_error_errno(r, "Failed to read server status: %s", bus_error_message(&error, r)); + + if (streq_ptr(mi.state, "degraded")) { + on = ansi_highlight_red(); + off = ansi_normal(); + } else if (streq_ptr(mi.state, "running")) { + on = ansi_highlight_green(); + off = ansi_normal(); + } else { + on = ansi_highlight_yellow(); + off = ansi_normal(); + } + + printf("%s%s%s %s\n", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off, arg_host ?: hn); + + printf(" State: %s%s%s\n", + on, strna(mi.state), off); + + printf(" Units: %" PRIu32 " loaded (incl. loaded aliases)\n", mi.n_names); + printf(" Jobs: %" PRIu32 " queued\n", mi.n_jobs); + printf(" Failed: %" PRIu32 " units\n", mi.n_failed_units); + + printf(" Since: %s; %s\n", + FORMAT_TIMESTAMP_STYLE(mi.timestamp, arg_timestamp_style), + FORMAT_TIMESTAMP_RELATIVE(mi.timestamp)); + + printf(" systemd: %s\n", mi.version); + + if (!isempty(mi.tainted)) + printf(" Tainted: %s%s%s\n", ansi_highlight_yellow(), mi.tainted, ansi_normal()); + + printf(" CGroup: %s\n", empty_to_root(mi.control_group)); + + c = LESS_BY(columns(), strlen(prefix)); + + r = unit_show_processes(bus, SPECIAL_ROOT_SLICE, mi.control_group, prefix, c, get_output_flags(), &error); + if (r == -EBADR && arg_transport == BUS_TRANSPORT_LOCAL) /* Compatibility for really old systemd versions */ + show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, get_output_flags()); + else if (r < 0) + log_warning_errno(r, "Failed to dump process list for '%s', ignoring: %s", + arg_host ?: hn, bus_error_message(&error, r)); + + return 0; +} + +int verb_show(int argc, char *argv[], void *userdata) { + bool new_line = false, ellipsized = false; + SystemctlShowMode show_mode; + int r, ret = 0; + sd_bus *bus; + + assert(argv); + + show_mode = systemctl_show_mode_from_string(argv[0]); + if (show_mode < 0) + return log_error_errno(show_mode, "Invalid argument '%s'.", argv[0]); + + if (show_mode == SYSTEMCTL_SHOW_HELP && argc <= 1) + return log_error_errno(SYNTHETIC_ERRNO(EINVAL), + "'help' command expects one or more unit names.\n" + "(Alternatively, help for systemctl itself may be shown with --help)"); + + r = acquire_bus(BUS_MANAGER, &bus); + if (r < 0) + return r; + + pager_open(arg_pager_flags); + + if (argc <= 1) { + /* If no argument or filter is specified inspect the manager itself: + * systemctl status → we show status of the manager + * systemctl status --all → status of the manager + status of all units + * systemctl status --state=… → status of units in listed states + * systemctl status --type=… → status of units of listed types + * systemctl status --failed → status of failed units, mirroring systemctl list-units --failed + */ + + if (!arg_states && !arg_types) { + if (show_mode == SYSTEMCTL_SHOW_PROPERTIES) + /* systemctl show --all → show properties of the manager */ + return show_one(bus, "/org/freedesktop/systemd1", NULL, show_mode, &new_line, &ellipsized); + + r = show_system_status(bus); + if (r < 0) + return r; + + new_line = true; + } + + if (arg_all || arg_states || arg_types) + ret = show_all(bus, show_mode, &new_line, &ellipsized); + } else { + _cleanup_free_ char **patterns = NULL; + + STRV_FOREACH(name, strv_skip(argv, 1)) { + _cleanup_free_ char *path = NULL, *unit = NULL; + uint32_t id; + + if (safe_atou32(*name, &id) < 0) { + if (strv_push(&patterns, *name) < 0) + return log_oom(); + + continue; + } else if (show_mode == SYSTEMCTL_SHOW_PROPERTIES) { + /* Interpret as job id */ + if (asprintf(&path, "/org/freedesktop/systemd1/job/%u", id) < 0) + return log_oom(); + + } else { + /* Interpret as PID */ + r = get_unit_dbus_path_by_pid(bus, id, &path); + if (r < 0) { + ret = r; + continue; + } + + r = unit_name_from_dbus_path(path, &unit); + if (r < 0) + return log_oom(); + } + + r = show_one(bus, path, unit, show_mode, &new_line, &ellipsized); + if (r < 0) + return r; + if (r > 0 && ret == 0) + ret = r; + } + + if (!strv_isempty(patterns)) { + _cleanup_strv_free_ char **names = NULL; + + r = expand_unit_names(bus, patterns, NULL, &names, NULL); + if (r < 0) + return log_error_errno(r, "Failed to expand names: %m"); + + r = maybe_extend_with_unit_dependencies(bus, &names); + if (r < 0) + return r; + + STRV_FOREACH(name, names) { + _cleanup_free_ char *path = NULL; + + path = unit_dbus_path_from_name(*name); + if (!path) + return log_oom(); + + r = show_one(bus, path, *name, show_mode, &new_line, &ellipsized); + if (r < 0) + return r; + if (r > 0 && ret == 0) + ret = r; + } + } + } + + if (ellipsized && !arg_quiet) + printf("Hint: Some lines were ellipsized, use -l to show in full.\n"); + + return ret; +} -- cgit v1.2.3