Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2503 insertions, 0 deletions

diff --git a/src/systemctl/systemctl-show.c b/src/systemctl/systemctl-show.c
new file mode 100644
index 0000000..e7fabcf
--- /dev/null
+++ b/src/systemctl/systemctl-show.c
@@ -0,0 +1,2503 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <sys/mount.h>
+
+#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 "fd-util.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 "open-file.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;
+
+        uint32_t fd_store_max;
+        uint32_t n_fd_store;
+
+        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_peak;
+        uint64_t memory_swap_current;
+        uint64_t memory_swap_peak;
+        uint64_t memory_zswap_current;
+        uint64_t memory_min;
+        uint64_t memory_low;
+        uint64_t startup_memory_low;
+        uint64_t memory_high;
+        uint64_t startup_memory_high;
+        uint64_t memory_max;
+        uint64_t startup_memory_max;
+        uint64_t memory_swap_max;
+        uint64_t startup_memory_swap_max;
+        uint64_t memory_zswap_max;
+        uint64_t startup_memory_zswap_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;
+        uint64_t default_startup_memory_low;
+
+        LIST_HEAD(ExecStatusInfo, exec_status_info_list);
+} UnitStatusInfo;
+
+static void unit_status_info_done(UnitStatusInfo *info) {
+        strv_free(info->documentation);
+        strv_free(info->dropin_paths);
+        strv_free(info->triggered_by);
+        strv_free(info->triggers);
+        strv_free(info->listen);
+
+        LIST_CLEAR(conditions, info->conditions, unit_condition_free);
+        LIST_CLEAR(exec_status_info_list, info->exec_status_info_list, exec_status_info_free);
+}
+
+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_now(&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 unmet%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) pid_get_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) pid_get_comm(i->control_pid, &c);
+                                if (c)
+                                        printf(" (%s)", c);
+                        }
+                }
+
+                printf("\n");
+        }
+
+        if (i->status_text)
+                printf("     Status: \"%s%s%s\"\n", ansi_highlight_cyan(), i->status_text, ansi_normal());
+        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->n_fd_store > 0 || i->fd_store_max > 0)
+                printf("   FD Store: %u%s (limit: %u)%s\n", i->n_fd_store, ansi_grey(), i->fd_store_max, ansi_normal());
+
+        if (i->memory_current != UINT64_MAX) {
+                printf("     Memory: %s", FORMAT_BYTES(i->memory_current));
+
+                /* Only show current swap if it ever was non-zero or is currently non-zero. In both cases
+                   memory_swap_peak will be non-zero (and not CGROUP_LIMIT_MAX).
+                   Only show the available memory if it was artificially limited. */
+                bool show_memory_swap = !IN_SET(i->memory_swap_peak, 0, CGROUP_LIMIT_MAX),
+                     show_memory_zswap_current = !IN_SET(i->memory_zswap_current, 0, CGROUP_LIMIT_MAX),
+                     show_memory_available = i->memory_high != CGROUP_LIMIT_MAX || i->memory_max != CGROUP_LIMIT_MAX;
+                if (i->memory_peak != CGROUP_LIMIT_MAX ||
+                    show_memory_swap ||
+                    show_memory_zswap_current ||
+                    show_memory_available ||
+                    i->memory_min > 0 ||
+                    i->memory_low > 0 || i->startup_memory_low > 0 ||
+                    i->memory_high != CGROUP_LIMIT_MAX || i->startup_memory_high != CGROUP_LIMIT_MAX ||
+                    i->memory_max != CGROUP_LIMIT_MAX || i->startup_memory_max != CGROUP_LIMIT_MAX ||
+                    i->memory_swap_max != CGROUP_LIMIT_MAX || i->startup_memory_swap_max != CGROUP_LIMIT_MAX ||
+                    i->memory_zswap_max != CGROUP_LIMIT_MAX || i->startup_memory_zswap_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->startup_memory_low > 0) {
+                                printf("%slow (startup): %s", prefix, FORMAT_BYTES_CGROUP_PROTECTION(i->startup_memory_low));
+                                prefix = " ";
+                        }
+                        if (i->memory_high != CGROUP_LIMIT_MAX) {
+                                printf("%shigh: %s", prefix, FORMAT_BYTES(i->memory_high));
+                                prefix = " ";
+                        }
+                        if (i->startup_memory_high != CGROUP_LIMIT_MAX) {
+                                printf("%shigh (startup): %s", prefix, FORMAT_BYTES(i->startup_memory_high));
+                                prefix = " ";
+                        }
+                        if (i->memory_max != CGROUP_LIMIT_MAX) {
+                                printf("%smax: %s", prefix, FORMAT_BYTES(i->memory_max));
+                                prefix = " ";
+                        }
+                        if (i->startup_memory_max != CGROUP_LIMIT_MAX) {
+                                printf("%smax (startup): %s", prefix, FORMAT_BYTES(i->startup_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->startup_memory_swap_max != CGROUP_LIMIT_MAX) {
+                                printf("%sswap max (startup): %s", prefix, FORMAT_BYTES(i->startup_memory_swap_max));
+                                prefix = " ";
+                        }
+                        if (i->memory_zswap_max != CGROUP_LIMIT_MAX) {
+                                printf("%szswap max: %s", prefix, FORMAT_BYTES(i->memory_zswap_max));
+                                prefix = " ";
+                        }
+                        if (i->startup_memory_zswap_max != CGROUP_LIMIT_MAX) {
+                                printf("%szswap max (startup): %s", prefix, FORMAT_BYTES(i->startup_memory_zswap_max));
+                                prefix = " ";
+                        }
+                        if (i->memory_limit != CGROUP_LIMIT_MAX) {
+                                printf("%slimit: %s", prefix, FORMAT_BYTES(i->memory_limit));
+                                prefix = " ";
+                        }
+                        if (show_memory_available) {
+                                printf("%savailable: %s", prefix, FORMAT_BYTES(i->memory_available));
+                                prefix = " ";
+                        }
+                        if (i->memory_peak != CGROUP_LIMIT_MAX) {
+                                printf("%speak: %s", prefix, FORMAT_BYTES(i->memory_peak));
+                                prefix = " ";
+                        }
+                        if (show_memory_swap) {
+                                printf("%sswap: %s swap peak: %s", prefix,
+                                       FORMAT_BYTES(i->memory_swap_current), FORMAT_BYTES(i->memory_swap_peak));
+                                prefix = " ";
+                        }
+                        if (show_memory_zswap_current) {
+                                printf("%szswap: %s", prefix, FORMAT_BYTES(i->memory_zswap_current));
+                                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_runtime_scope == RUNTIME_SCOPE_SYSTEM,
+                                ellipsized);
+
+        if (i->need_daemon_reload)
+                warn_unit_file_changed(i->id);
+}
+
+static void show_unit_help(UnitStatusInfo *i) {
+        bool previous_man_page = false;
+
+        assert(i);
+
+        if (!i->documentation) {
+                log_info("Documentation for %s not known.", i->id);
+                return;
+        }
+
+        STRV_FOREACH(doc, i->documentation) {
+                const char *p;
+
+                p = startswith(*doc, "man:");
+
+                if (p ? doc != i->documentation : previous_man_page) {
+                        puts("");
+                        fflush(stdout);
+                }
+
+                previous_man_page = p;
+
+                if (p)
+                        show_man_page(p, /* null_stdio= */ false);
+                else {
+                        _cleanup_free_ char *t = NULL;
+
+                        if ((p = startswith(*doc, "file://")))
+                                (void) terminal_urlify_path(p, NULL, &t);
+
+                        printf("Additional documentation: %s\n", t ?: p ?: *doc);
+                }
+        }
+}
+
+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, &param, &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, &param, &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;
+
+        last = LIST_FIND_TAIL(exec_status_info_list, i->exec_status_info_list);
+
+        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, &timestamp);
+                        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, "LogFilterPatterns")) {
+                        int is_allowlist;
+                        const char *pattern;
+
+                        r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(bs)");
+                        if (r < 0)
+                                return bus_log_parse_error(r);
+
+                        while ((r = sd_bus_message_read(m, "(bs)", &is_allowlist, &pattern)) > 0)
+                                bus_print_property_valuef(name, expected_value, flags, "%s%s", is_allowlist ? "" : "~", pattern);
+                        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 (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;
+                } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "OpenFile")) {
+                        char *path, *fdname;
+                        uint64_t offlags;
+
+                        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)", &path, &fdname, &offlags)) > 0) {
+                                _cleanup_free_ char *ofs = NULL;
+
+                                r = open_file_to_string(
+                                        &(OpenFile){
+                                                .path = path,
+                                                .fdname = fdname,
+                                                .flags = offlags,
+                                        },
+                                        &ofs);
+                                if (r < 0)
+                                        return log_error_errno(
+                                                        r, "Failed to convert OpenFile= value to string: %m");
+
+                                bus_print_property_value(name, expected_value, flags, ofs);
+                        }
+                        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)                      },
+                { "FileDescriptorStoreMax",         "u",               NULL,           offsetof(UnitStatusInfo, fd_store_max)                      },
+                { "NFileDescriptorStore",           "u",               NULL,           offsetof(UnitStatusInfo, n_fd_store)                        },
+                { "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)                    },
+                { "MemoryPeak",                     "t",               NULL,           offsetof(UnitStatusInfo, memory_peak)                       },
+                { "MemorySwapCurrent",              "t",               NULL,           offsetof(UnitStatusInfo, memory_swap_current)               },
+                { "MemorySwapPeak",                 "t",               NULL,           offsetof(UnitStatusInfo, memory_swap_peak)                  },
+                { "MemoryZSwapCurrent",             "t",               NULL,           offsetof(UnitStatusInfo, memory_zswap_current)              },
+                { "MemoryAvailable",                "t",               NULL,           offsetof(UnitStatusInfo, memory_available)                  },
+                { "DefaultMemoryMin",               "t",               NULL,           offsetof(UnitStatusInfo, default_memory_min)                },
+                { "DefaultMemoryLow",               "t",               NULL,           offsetof(UnitStatusInfo, default_memory_low)                },
+                { "DefaultStartupMemoryLow",        "t",               NULL,           offsetof(UnitStatusInfo, default_startup_memory_low)        },
+                { "MemoryMin",                      "t",               NULL,           offsetof(UnitStatusInfo, memory_min)                        },
+                { "MemoryLow",                      "t",               NULL,           offsetof(UnitStatusInfo, memory_low)                        },
+                { "StartupMemoryLow",               "t",               NULL,           offsetof(UnitStatusInfo, startup_memory_low)                },
+                { "MemoryHigh",                     "t",               NULL,           offsetof(UnitStatusInfo, memory_high)                       },
+                { "StartupMemoryHigh",              "t",               NULL,           offsetof(UnitStatusInfo, startup_memory_high)               },
+                { "MemoryMax",                      "t",               NULL,           offsetof(UnitStatusInfo, memory_max)                        },
+                { "StartupMemoryMax",               "t",               NULL,           offsetof(UnitStatusInfo, startup_memory_max)                },
+                { "MemorySwapMax",                  "t",               NULL,           offsetof(UnitStatusInfo, memory_swap_max)                   },
+                { "StartupMemorySwapMax",           "t",               NULL,           offsetof(UnitStatusInfo, startup_memory_swap_max)           },
+                { "MemoryZSwapMax",                 "t",               NULL,           offsetof(UnitStatusInfo, memory_zswap_max)                  },
+                { "StartupMemoryZSwapMax",          "t",               NULL,           offsetof(UnitStatusInfo, startup_memory_zswap_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_done) UnitStatusInfo info = {
+                .runtime_max_sec = USEC_INFINITY,
+                .memory_current = UINT64_MAX,
+                .memory_high = CGROUP_LIMIT_MAX,
+                .startup_memory_high = CGROUP_LIMIT_MAX,
+                .memory_max = CGROUP_LIMIT_MAX,
+                .startup_memory_max = CGROUP_LIMIT_MAX,
+                .memory_swap_max = CGROUP_LIMIT_MAX,
+                .startup_memory_swap_max = CGROUP_LIMIT_MAX,
+                .memory_zswap_max = CGROUP_LIMIT_MAX,
+                .startup_memory_zswap_max = CGROUP_LIMIT_MAX,
+                .memory_limit = CGROUP_LIMIT_MAX,
+                .memory_peak = CGROUP_LIMIT_MAX,
+                .memory_swap_current = CGROUP_LIMIT_MAX,
+                .memory_swap_peak = CGROUP_LIMIT_MAX,
+                .memory_zswap_current = CGROUP_LIMIT_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_fallback(
+                sd_bus *bus,
+                uint32_t pid,
+                char **ret_path,
+                char **ret_unit) {
+
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        _cleanup_free_ char *path = NULL, *unit = NULL;
+        char *p;
+        int r;
+
+        assert(bus);
+        assert(ret_path);
+        assert(ret_unit);
+
+        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", &p);
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        path = strdup(p);
+        if (!path)
+                return log_oom();
+
+        r = unit_name_from_dbus_path(path, &unit);
+        if (r < 0)
+                return log_oom();
+
+        *ret_unit = TAKE_PTR(unit);
+        *ret_path = TAKE_PTR(path);
+
+        return 0;
+}
+
+static int get_unit_dbus_path_by_pid(
+                sd_bus *bus,
+                uint32_t pid,
+                char **ret_path,
+                char **ret_unit) {
+
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        _cleanup_free_ char *path = NULL, *unit = NULL;
+        _cleanup_close_ int pidfd = -EBADF;
+        char *p, *u;
+        int r;
+
+        assert(bus);
+        assert(ret_path);
+        assert(ret_unit);
+
+        /* First, try to send a PIDFD across the wire, so that we can pin the process and there's no race
+         * condition possible while we wait for the D-Bus reply. If we either don't have PIDFD support in
+         * the kernel or the new D-Bus method is not available, then fallback to the older method that
+         * sends the numeric PID. */
+
+        pidfd = pidfd_open(pid, 0);
+        if (pidfd < 0 && ERRNO_IS_NOT_SUPPORTED(errno) && !ERRNO_IS_PRIVILEGE(errno))
+                return get_unit_dbus_path_by_pid_fallback(bus, pid, ret_path, ret_unit);
+        if (pidfd < 0)
+                return log_error_errno(errno, "Failed to open PID %"PRIu32": %m", pid);
+
+        r = bus_call_method(bus, bus_systemd_mgr, "GetUnitByPIDFD", &error, &reply, "h", pidfd);
+        if (r < 0 && sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD))
+                return get_unit_dbus_path_by_pid_fallback(bus, pid, ret_path, ret_unit);
+        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, "os", &p, &u);
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        path = strdup(p);
+        if (!path)
+                return log_oom();
+
+        unit = strdup(u);
+        if (!unit)
+                return log_oom();
+
+        *ret_unit = TAKE_PTR(unit);
+        *ret_path = TAKE_PTR(path);
+
+        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, &unit);
+                                if (r < 0) {
+                                        ret = r;
+                                        continue;
+                                }
+                        }
+
+                        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;
+}