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-rw-r--r--src/systemctl/systemctl-list-units.c1191
1 files changed, 1191 insertions, 0 deletions
diff --git a/src/systemctl/systemctl-list-units.c b/src/systemctl/systemctl-list-units.c
new file mode 100644
index 0000000..fbc04b7
--- /dev/null
+++ b/src/systemctl/systemctl-list-units.c
@@ -0,0 +1,1191 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "sd-login.h"
+
+#include "bus-error.h"
+#include "bus-locator.h"
+#include "format-table.h"
+#include "locale-util.h"
+#include "path-util.h"
+#include "set.h"
+#include "sort-util.h"
+#include "systemctl-list-units.h"
+#include "systemctl-util.h"
+#include "systemctl.h"
+#include "terminal-util.h"
+
+static int get_unit_list_recursive(
+ sd_bus *bus,
+ char **patterns,
+ UnitInfo **ret_unit_infos,
+ Set **ret_replies) {
+
+ _cleanup_free_ UnitInfo *unit_infos = NULL;
+ _cleanup_set_free_ Set *replies = NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ int c, r;
+
+ assert(bus);
+ assert(ret_replies);
+ assert(ret_unit_infos);
+
+ c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply);
+ if (c < 0)
+ return c;
+
+ r = set_ensure_consume(&replies, &bus_message_hash_ops, TAKE_PTR(reply));
+ if (r < 0)
+ return log_oom();
+
+ if (arg_recursive) {
+ _cleanup_strv_free_ char **machines = NULL;
+
+ r = sd_get_machine_names(&machines);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get machine names: %m");
+
+ STRV_FOREACH(i, machines) {
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
+ int k;
+
+ r = sd_bus_open_system_machine(&container, *i);
+ if (r < 0) {
+ log_warning_errno(r, "Failed to connect to container %s, ignoring: %m", *i);
+ continue;
+ }
+
+ k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply);
+ if (k < 0)
+ return k;
+
+ c = k;
+
+ r = set_consume(replies, TAKE_PTR(reply));
+ if (r < 0)
+ return log_oom();
+ }
+ }
+
+ *ret_unit_infos = TAKE_PTR(unit_infos);
+ *ret_replies = TAKE_PTR(replies);
+
+ return c;
+}
+
+static void output_legend(const char *type, size_t n_items) {
+ const char *on, *off;
+
+ assert(type);
+
+ on = n_items > 0 ? ansi_highlight() : ansi_highlight_red();
+ off = ansi_normal();
+
+ printf("\n%s%zu %ss listed.%s\n", on, n_items, type, off);
+ if (!arg_all)
+ printf("Pass --all to see loaded but inactive %ss, too.\n", type);
+}
+
+static int table_add_triggered(Table *table, char **triggered) {
+ assert(table);
+
+ if (strv_isempty(triggered))
+ return table_add_cell(table, NULL, TABLE_EMPTY, NULL);
+ else if (strv_length(triggered) == 1)
+ return table_add_cell(table, NULL, TABLE_STRING, triggered[0]);
+ else
+ /* This should never happen, currently our socket units can only trigger a
+ * single unit. But let's handle this anyway, who knows what the future
+ * brings? */
+ return table_add_cell(table, NULL, TABLE_STRV, triggered);
+}
+
+static char *format_unit_id(const char *unit, const char *machine) {
+ assert(unit);
+
+ return machine ? strjoin(machine, ":", unit) : strdup(unit);
+}
+
+static int output_units_list(const UnitInfo *unit_infos, size_t c) {
+ _cleanup_(table_unrefp) Table *table = NULL;
+ size_t job_count = 0;
+ int r;
+
+ table = table_new("", "unit", "load", "active", "sub", "job", "description");
+ if (!table)
+ return log_oom();
+
+ table_set_header(table, arg_legend != 0);
+ if (arg_plain) {
+ /* Hide the 'glyph' column when --plain is requested */
+ r = table_hide_column_from_display(table, 0);
+ if (r < 0)
+ return log_error_errno(r, "Failed to hide column: %m");
+ }
+ if (arg_full)
+ table_set_width(table, 0);
+
+ table_set_ersatz_string(table, TABLE_ERSATZ_DASH);
+
+ FOREACH_ARRAY(u, unit_infos, c) {
+ _cleanup_free_ char *id = NULL;
+ const char *on_underline = "", *on_loaded = "", *on_active = "", *on_circle = "";
+ bool circle = false, underline = false;
+
+ if (u + 1 < unit_infos + c &&
+ !streq(unit_type_suffix(u->id), unit_type_suffix((u + 1)->id))) {
+ on_underline = ansi_underline();
+ underline = true;
+ }
+
+ if (STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked") && !arg_plain) {
+ on_circle = underline ? ansi_highlight_yellow_underline() : ansi_highlight_yellow();
+ circle = true;
+ on_loaded = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
+ } else if (streq(u->active_state, "failed") && !arg_plain) {
+ on_circle = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
+ circle = true;
+ on_active = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
+ } else {
+ on_circle = on_underline;
+ on_active = on_underline;
+ on_loaded = on_underline;
+ }
+
+ id = format_unit_id(u->id, u->machine);
+ if (!id)
+ return log_oom();
+
+ r = table_add_many(table,
+ TABLE_STRING, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ",
+ TABLE_SET_BOTH_COLORS, on_circle,
+ TABLE_STRING, id,
+ TABLE_SET_BOTH_COLORS, on_active,
+ TABLE_STRING, u->load_state,
+ TABLE_SET_BOTH_COLORS, on_loaded,
+ TABLE_STRING, u->active_state,
+ TABLE_SET_BOTH_COLORS, on_active,
+ TABLE_STRING, u->sub_state,
+ TABLE_SET_BOTH_COLORS, on_active,
+ TABLE_STRING, u->job_id ? u->job_type: "",
+ TABLE_SET_BOTH_COLORS, on_underline,
+ TABLE_STRING, u->description,
+ TABLE_SET_BOTH_COLORS, on_underline);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ if (u->job_id != 0)
+ job_count++;
+ }
+
+ if (job_count == 0) {
+ /* There's no data in the JOB column, so let's hide it */
+ r = table_hide_column_from_display(table, 5);
+ if (r < 0)
+ return log_error_errno(r, "Failed to hide column: %m");
+ }
+
+ r = output_table(table);
+ if (r < 0)
+ return r;
+
+ if (arg_legend != 0) {
+ const char *on, *off;
+ size_t records = table_get_rows(table) - 1;
+
+ if (records > 0) {
+ printf("\n"
+ "%1$sLegend: LOAD %2$s Reflects whether the unit definition was properly loaded.%3$s\n"
+ "%1$s ACTIVE %2$s The high-level unit activation state, i.e. generalization of SUB.%3$s\n"
+ "%1$s SUB %2$s The low-level unit activation state, values depend on unit type.%3$s\n",
+ ansi_grey(),
+ special_glyph(SPECIAL_GLYPH_ARROW_RIGHT),
+ ansi_normal());
+ if (job_count > 0)
+ printf("%s JOB %s Pending job for the unit.%s\n",
+ ansi_grey(),
+ special_glyph(SPECIAL_GLYPH_ARROW_RIGHT),
+ ansi_normal());
+ }
+
+ putchar('\n');
+
+ on = records > 0 ? ansi_highlight() : ansi_highlight_red();
+ off = ansi_normal();
+
+ if (arg_all || strv_contains(arg_states, "inactive"))
+ printf("%s%zu loaded units listed.%s\n"
+ "%sTo show all installed unit files use 'systemctl list-unit-files'.%s\n",
+ on, records, off,
+ ansi_grey(), ansi_normal());
+ else if (!arg_states)
+ printf("%s%zu loaded units listed.%s %sPass --all to see loaded but inactive units, too.%s\n"
+ "%sTo show all installed unit files use 'systemctl list-unit-files'.%s\n",
+ on, records, off,
+ ansi_grey(), ansi_normal(), ansi_grey(), ansi_normal());
+ else
+ printf("%zu loaded units listed.\n", records);
+ }
+
+ return 0;
+}
+
+int verb_list_units(int argc, char *argv[], void *userdata) {
+ _cleanup_free_ UnitInfo *unit_infos = NULL;
+ _cleanup_set_free_ Set *replies = NULL;
+ sd_bus *bus;
+ int r;
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ pager_open(arg_pager_flags);
+
+ if (arg_with_dependencies) {
+ _cleanup_strv_free_ char **names = NULL;
+
+ r = append_unit_dependencies(bus, strv_skip(argv, 1), &names);
+ if (r < 0)
+ return r;
+
+ r = get_unit_list_recursive(bus, names, &unit_infos, &replies);
+ if (r < 0)
+ return r;
+ } else {
+ r = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies);
+ if (r < 0)
+ return r;
+ }
+
+ typesafe_qsort(unit_infos, r, unit_info_compare);
+ return output_units_list(unit_infos, r);
+}
+
+static int get_triggered_units(
+ sd_bus *bus,
+ const char* path,
+ char*** ret) {
+
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ int r;
+
+ assert(bus);
+ assert(path);
+ assert(ret);
+
+ r = sd_bus_get_property_strv(
+ bus,
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.systemd1.Unit",
+ "Triggers",
+ &error,
+ ret);
+ if (r < 0)
+ return log_error_errno(r, "Failed to determine triggers: %s", bus_error_message(&error, r));
+
+ return 0;
+}
+
+typedef struct SocketInfo {
+ const char *machine;
+ const char* id;
+
+ char* type;
+ char* path; /* absolute path or socket address */
+
+ /* Note: triggered is a list here, although it almost certainly will always be one
+ * unit. Nevertheless, dbus API allows for multiple values, so let's follow that. */
+ char** triggered;
+} SocketInfo;
+
+static void socket_info_array_free(SocketInfo *sockets, size_t n_sockets) {
+ assert(sockets || n_sockets == 0);
+
+ FOREACH_ARRAY(s, sockets, n_sockets) {
+ free(s->type);
+ free(s->path);
+ strv_free(s->triggered);
+ }
+
+ free(sockets);
+}
+
+static int socket_info_compare(const SocketInfo *a, const SocketInfo *b) {
+ int r;
+
+ assert(a);
+ assert(b);
+
+ r = strcasecmp_ptr(a->machine, b->machine);
+ if (r != 0)
+ return r;
+
+ r = CMP(path_is_absolute(a->path), path_is_absolute(b->path));
+ if (r != 0)
+ return r;
+
+ r = path_is_absolute(a->path) ? path_compare(a->path, b->path) : strcmp(a->path, b->path);
+ if (r != 0)
+ return r;
+
+ return strcmp(a->type, b->type);
+}
+
+static int socket_info_add(
+ sd_bus *bus,
+ const UnitInfo *u,
+ SocketInfo **sockets,
+ size_t *n_sockets) {
+
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_strv_free_ char **triggered = NULL;
+ const char *type, *path;
+ int r;
+
+ assert(bus);
+ assert(u);
+ assert(sockets);
+ assert(n_sockets);
+
+ if (!endswith(u->id, ".socket"))
+ return 0;
+
+ r = get_triggered_units(bus, u->unit_path, &triggered);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_get_property(
+ bus,
+ "org.freedesktop.systemd1",
+ u->unit_path,
+ "org.freedesktop.systemd1.Socket",
+ "Listen",
+ &error,
+ &reply,
+ "a(ss)");
+ if (r < 0)
+ return log_error_errno(r, "Failed to get list of listening sockets: %s", bus_error_message(&error, r));
+
+ r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
+ _cleanup_free_ char *type_dup = NULL, *path_dup = NULL;
+ _cleanup_strv_free_ char **triggered_dup = NULL;
+
+ type_dup = strdup(type);
+ if (!type_dup)
+ return log_oom();
+
+ path_dup = strdup(path);
+ if (!path_dup)
+ return log_oom();
+
+ triggered_dup = strv_copy(triggered);
+ if (!triggered_dup)
+ return log_oom();
+
+ if (!GREEDY_REALLOC(*sockets, *n_sockets + 1))
+ return log_oom();
+
+ (*sockets)[(*n_sockets)++] = (SocketInfo) {
+ .machine = u->machine,
+ .id = u->id,
+ .type = TAKE_PTR(type_dup),
+ .path = TAKE_PTR(path_dup),
+ .triggered = TAKE_PTR(triggered_dup),
+ };
+ }
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return 0;
+}
+
+static int output_sockets_list(const SocketInfo *sockets, size_t n_sockets) {
+ _cleanup_(table_unrefp) Table *table = NULL;
+ int r;
+
+ assert(sockets || n_sockets == 0);
+
+ table = table_new("listen", "type", "unit", "activates");
+ if (!table)
+ return log_oom();
+
+ if (!arg_show_types) {
+ /* Hide the second (TYPE) column */
+ r = table_set_display(table, (size_t) 0, (size_t) 2, (size_t) 3);
+ if (r < 0)
+ return log_error_errno(r, "Failed to set columns to display: %m");
+ }
+
+ table_set_header(table, arg_legend != 0);
+ if (arg_full)
+ table_set_width(table, 0);
+
+ table_set_ersatz_string(table, TABLE_ERSATZ_DASH);
+
+ FOREACH_ARRAY(s, sockets, n_sockets) {
+ _cleanup_free_ char *unit = NULL;
+
+ unit = format_unit_id(s->id, s->machine);
+ if (!unit)
+ return log_oom();
+
+ r = table_add_many(table,
+ TABLE_STRING, s->path,
+ TABLE_STRING, s->type,
+ TABLE_STRING, unit);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ r = table_add_triggered(table, s->triggered);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ r = output_table(table);
+ if (r < 0)
+ return r;
+
+ if (arg_legend != 0)
+ output_legend("socket", n_sockets);
+
+ return 0;
+}
+
+int verb_list_sockets(int argc, char *argv[], void *userdata) {
+ _cleanup_set_free_ Set *replies = NULL;
+ _cleanup_strv_free_ char **sockets_with_suffix = NULL;
+ _cleanup_free_ UnitInfo *unit_infos = NULL;
+ SocketInfo *sockets = NULL;
+ size_t n_sockets = 0;
+ sd_bus *bus;
+ int r;
+
+ CLEANUP_ARRAY(sockets, n_sockets, socket_info_array_free);
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ pager_open(arg_pager_flags);
+
+ r = expand_unit_names(bus, strv_skip(argv, 1), ".socket", &sockets_with_suffix, NULL);
+ if (r < 0)
+ return r;
+
+ if (argc == 1 || sockets_with_suffix) {
+ int n;
+
+ n = get_unit_list_recursive(bus, sockets_with_suffix, &unit_infos, &replies);
+ if (n < 0)
+ return n;
+
+ FOREACH_ARRAY(u, unit_infos, n) {
+ r = socket_info_add(bus, u, &sockets, &n_sockets);
+ if (r < 0)
+ return r;
+ }
+ }
+
+ typesafe_qsort(sockets, n_sockets, socket_info_compare);
+ output_sockets_list(sockets, n_sockets);
+
+ return 0;
+}
+
+static int get_next_elapse(
+ sd_bus *bus,
+ const char *path,
+ dual_timestamp *next) {
+
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ dual_timestamp t;
+ int r;
+
+ assert(bus);
+ assert(path);
+ assert(next);
+
+ r = sd_bus_get_property_trivial(
+ bus,
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.systemd1.Timer",
+ "NextElapseUSecMonotonic",
+ &error,
+ 't',
+ &t.monotonic);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
+
+ r = sd_bus_get_property_trivial(
+ bus,
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.systemd1.Timer",
+ "NextElapseUSecRealtime",
+ &error,
+ 't',
+ &t.realtime);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
+
+ *next = t;
+ return 0;
+}
+
+static int get_last_trigger(
+ sd_bus *bus,
+ const char *path,
+ dual_timestamp *last) {
+
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ dual_timestamp t;
+ int r;
+
+ assert(bus);
+ assert(path);
+ assert(last);
+
+ r = sd_bus_get_property_trivial(
+ bus,
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.systemd1.Timer",
+ "LastTriggerUSec",
+ &error,
+ 't',
+ &t.realtime);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r));
+
+ r = sd_bus_get_property_trivial(
+ bus,
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.systemd1.Timer",
+ "LastTriggerUSecMonotonic",
+ &error,
+ 't',
+ &t.monotonic);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r));
+
+ *last = t;
+ return 0;
+}
+
+typedef struct TimerInfo {
+ const char* machine;
+ const char* id;
+ usec_t next_elapse;
+ dual_timestamp last_trigger;
+ char **triggered;
+} TimerInfo;
+
+static void timer_info_array_free(TimerInfo *timers, size_t n_timers) {
+ assert(timers || n_timers == 0);
+
+ FOREACH_ARRAY(t, timers, n_timers)
+ strv_free(t->triggered);
+
+ free(timers);
+}
+
+static int timer_info_compare(const TimerInfo *a, const TimerInfo *b) {
+ int r;
+
+ assert(a);
+ assert(b);
+
+ r = strcasecmp_ptr(a->machine, b->machine);
+ if (r != 0)
+ return r;
+
+ r = CMP(a->next_elapse, b->next_elapse);
+ if (r != 0)
+ return r;
+
+ return strcmp(a->id, b->id);
+}
+
+static int output_timers_list(const TimerInfo *timers, size_t n_timers) {
+ _cleanup_(table_unrefp) Table *table = NULL;
+ int r;
+
+ assert(timers || n_timers == 0);
+
+ table = table_new("next", "left", "last", "passed", "unit", "activates");
+ if (!table)
+ return log_oom();
+
+ table_set_header(table, arg_legend != 0);
+ if (arg_full)
+ table_set_width(table, 0);
+
+ table_set_ersatz_string(table, TABLE_ERSATZ_DASH);
+
+ (void) table_set_align_percent(table, table_get_cell(table, 0, 1), 100);
+ (void) table_set_align_percent(table, table_get_cell(table, 0, 3), 100);
+
+ FOREACH_ARRAY(t, timers, n_timers) {
+ _cleanup_free_ char *unit = NULL;
+
+ unit = format_unit_id(t->id, t->machine);
+ if (!unit)
+ return log_oom();
+
+ r = table_add_many(table,
+ TABLE_TIMESTAMP, t->next_elapse,
+ TABLE_TIMESTAMP_LEFT, t->next_elapse,
+ TABLE_TIMESTAMP, t->last_trigger.realtime,
+ TABLE_TIMESTAMP_RELATIVE_MONOTONIC, t->last_trigger.monotonic,
+ TABLE_STRING, unit);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ r = table_add_triggered(table, t->triggered);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ r = output_table(table);
+ if (r < 0)
+ return r;
+
+ if (arg_legend != 0)
+ output_legend("timer", n_timers);
+
+ return 0;
+}
+
+usec_t calc_next_elapse(const dual_timestamp *nw, const dual_timestamp *next) {
+ usec_t next_elapse;
+
+ assert(nw);
+ assert(next);
+
+ if (timestamp_is_set(next->monotonic)) {
+ usec_t converted;
+
+ if (next->monotonic > nw->monotonic)
+ converted = nw->realtime + (next->monotonic - nw->monotonic);
+ else
+ converted = nw->realtime - (nw->monotonic - next->monotonic);
+
+ if (timestamp_is_set(next->realtime))
+ next_elapse = MIN(converted, next->realtime);
+ else
+ next_elapse = converted;
+
+ } else
+ next_elapse = next->realtime;
+
+ return next_elapse;
+}
+
+static int add_timer_info(
+ sd_bus *bus,
+ const UnitInfo *u,
+ const dual_timestamp *nw,
+ TimerInfo **timers,
+ size_t *n_timers) {
+
+ _cleanup_strv_free_ char **triggered = NULL;
+ dual_timestamp next, last;
+ usec_t m;
+ int r;
+
+ assert(bus);
+ assert(u);
+ assert(nw);
+ assert(timers);
+ assert(n_timers);
+
+ if (!endswith(u->id, ".timer"))
+ return 0;
+
+ r = get_triggered_units(bus, u->unit_path, &triggered);
+ if (r < 0)
+ return r;
+
+ r = get_next_elapse(bus, u->unit_path, &next);
+ if (r < 0)
+ return r;
+
+ r = get_last_trigger(bus, u->unit_path, &last);
+ if (r < 0)
+ return r;
+
+ m = calc_next_elapse(nw, &next);
+
+ if (!GREEDY_REALLOC(*timers, *n_timers + 1))
+ return log_oom();
+
+ (*timers)[(*n_timers)++] = (TimerInfo) {
+ .machine = u->machine,
+ .id = u->id,
+ .next_elapse = m,
+ .last_trigger = last,
+ .triggered = TAKE_PTR(triggered),
+ };
+
+ return 0;
+}
+
+int verb_list_timers(int argc, char *argv[], void *userdata) {
+ _cleanup_set_free_ Set *replies = NULL;
+ _cleanup_strv_free_ char **timers_with_suffix = NULL;
+ _cleanup_free_ UnitInfo *unit_infos = NULL;
+ TimerInfo *timers = NULL;
+ size_t n_timers = 0;
+ sd_bus *bus;
+ int r;
+
+ CLEANUP_ARRAY(timers, n_timers, timer_info_array_free);
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ pager_open(arg_pager_flags);
+
+ r = expand_unit_names(bus, strv_skip(argv, 1), ".timer", &timers_with_suffix, NULL);
+ if (r < 0)
+ return r;
+
+ if (argc == 1 || timers_with_suffix) {
+ dual_timestamp nw;
+ int n;
+
+ n = get_unit_list_recursive(bus, timers_with_suffix, &unit_infos, &replies);
+ if (n < 0)
+ return n;
+
+ dual_timestamp_now(&nw);
+
+ FOREACH_ARRAY(u, unit_infos, n) {
+ r = add_timer_info(bus, u, &nw, &timers, &n_timers);
+ if (r < 0)
+ return r;
+ }
+ }
+
+ typesafe_qsort(timers, n_timers, timer_info_compare);
+ output_timers_list(timers, n_timers);
+
+ return 0;
+}
+
+typedef struct AutomountInfo {
+ const char *machine;
+ const char *id;
+ char *what;
+ char *where;
+ usec_t timeout_idle_usec;
+ bool mounted;
+} AutomountInfo;
+
+static void automount_info_array_free(AutomountInfo *automounts, size_t n_automounts) {
+ assert(automounts || n_automounts == 0);
+
+ FOREACH_ARRAY(i, automounts, n_automounts) {
+ free(i->what);
+ free(i->where);
+ }
+
+ free(automounts);
+}
+
+static int automount_info_compare(const AutomountInfo *a, const AutomountInfo *b) {
+ int r;
+
+ assert(a);
+ assert(b);
+
+ r = strcasecmp_ptr(a->machine, b->machine);
+ if (r != 0)
+ return r;
+
+ return path_compare(a->where, b->where);
+}
+
+static int automount_info_add(
+ sd_bus* bus,
+ const UnitInfo *info,
+ AutomountInfo **automounts,
+ size_t *n_automounts) {
+
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_free_ char *mount = NULL, *mount_path = NULL, *where = NULL, *what = NULL, *state = NULL;
+ uint64_t timeout_idle_usec;
+ BusLocator locator;
+ int r;
+
+ assert(bus);
+ assert(info);
+ assert(automounts);
+ assert(n_automounts);
+
+ if (!endswith(info->id, ".automount"))
+ return 0;
+
+ locator = (BusLocator) {
+ .destination = "org.freedesktop.systemd1",
+ .path = info->unit_path,
+ .interface = "org.freedesktop.systemd1.Automount",
+ };
+
+ r = bus_get_property_string(bus, &locator, "Where", &error, &where);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get automount target: %s", bus_error_message(&error, r));
+
+ r = bus_get_property_trivial(bus, &locator, "TimeoutIdleUSec", &error, 't', &timeout_idle_usec);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get idle timeout: %s", bus_error_message(&error, r));
+
+ r = unit_name_from_path(where, ".mount", &mount);
+ if (r < 0)
+ return log_error_errno(r, "Failed to generate unit name from path: %m");
+
+ mount_path = unit_dbus_path_from_name(mount);
+ if (!mount_path)
+ return log_oom();
+
+ locator.path = mount_path;
+ locator.interface = "org.freedesktop.systemd1.Mount";
+
+ r = bus_get_property_string(bus, &locator, "What", &error, &what);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get mount source: %s", bus_error_message(&error, r));
+
+ locator.interface = "org.freedesktop.systemd1.Unit";
+
+ r = bus_get_property_string(bus, &locator, "ActiveState", &error, &state);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get mount state: %s", bus_error_message(&error, r));
+
+ if (!GREEDY_REALLOC(*automounts, *n_automounts + 1))
+ return log_oom();
+
+ (*automounts)[(*n_automounts)++] = (AutomountInfo) {
+ .machine = info->machine,
+ .id = info->id,
+ .what = TAKE_PTR(what),
+ .where = TAKE_PTR(where),
+ .timeout_idle_usec = timeout_idle_usec,
+ .mounted = streq_ptr(state, "active"),
+ };
+
+ return 0;
+}
+
+static int output_automounts_list(const AutomountInfo *infos, size_t n_infos) {
+ _cleanup_(table_unrefp) Table *table = NULL;
+ int r;
+
+ assert(infos || n_infos == 0);
+
+ table = table_new("what", "where", "mounted", "idle timeout", "unit");
+ if (!table)
+ return log_oom();
+
+ table_set_header(table, arg_legend != 0);
+ if (arg_full)
+ table_set_width(table, 0);
+
+ table_set_ersatz_string(table, TABLE_ERSATZ_DASH);
+
+ FOREACH_ARRAY(info, infos, n_infos) {
+ _cleanup_free_ char *unit = NULL;
+
+ unit = format_unit_id(info->id, info->machine);
+ if (!unit)
+ return log_oom();
+
+ r = table_add_many(table,
+ TABLE_STRING, info->what,
+ TABLE_STRING, info->where,
+ TABLE_BOOLEAN, info->mounted);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ if (timestamp_is_set(info->timeout_idle_usec))
+ r = table_add_cell(table, NULL, TABLE_TIMESPAN_MSEC, &info->timeout_idle_usec);
+ else
+ r = table_add_cell(table, NULL, TABLE_EMPTY, NULL);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ r = table_add_cell(table, NULL, TABLE_STRING, unit);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ r = output_table(table);
+ if (r < 0)
+ return r;
+
+ if (arg_legend != 0)
+ output_legend("automount", n_infos);
+
+ return 0;
+}
+
+int verb_list_automounts(int argc, char *argv[], void *userdata) {
+ _cleanup_set_free_ Set *replies = NULL;
+ _cleanup_strv_free_ char **names = NULL;
+ _cleanup_free_ UnitInfo *unit_infos = NULL;
+ AutomountInfo *automounts = NULL;
+ size_t n_automounts = 0;
+ sd_bus *bus;
+ int r;
+
+ CLEANUP_ARRAY(automounts, n_automounts, automount_info_array_free);
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ pager_open(arg_pager_flags);
+
+ r = expand_unit_names(bus, strv_skip(argv, 1), ".automount", &names, NULL);
+ if (r < 0)
+ return r;
+
+ if (argc == 1 || automounts) {
+ int n;
+
+ n = get_unit_list_recursive(bus, names, &unit_infos, &replies);
+ if (n < 0)
+ return n;
+
+ FOREACH_ARRAY(u, unit_infos, n) {
+ r = automount_info_add(bus, u, &automounts, &n_automounts);
+ if (r < 0)
+ return r;
+ }
+
+ }
+
+ typesafe_qsort(automounts, n_automounts, automount_info_compare);
+ output_automounts_list(automounts, n_automounts);
+
+ return 0;
+}
+
+typedef struct PathInfo {
+ const char *machine;
+ const char *id;
+
+ char *path;
+ char *condition;
+
+ /* Note: triggered is a list here, although it almost certainly will always be one
+ * unit. Nevertheless, dbus API allows for multiple values, so let's follow that. */
+ char** triggered;
+} PathInfo;
+
+static int path_info_compare(const PathInfo *a, const PathInfo *b) {
+ int r;
+
+ assert(a);
+ assert(b);
+
+ r = strcasecmp_ptr(a->machine, b->machine);
+ if (r != 0)
+ return r;
+
+ r = path_compare(a->path, b->path);
+ if (r != 0)
+ return r;
+
+ r = strcmp(a->condition, b->condition);
+ if (r != 0)
+ return r;
+
+ return strcasecmp_ptr(a->id, b->id);
+}
+
+static void path_info_array_free(PathInfo *paths, size_t n_paths) {
+ assert(paths || n_paths == 0);
+
+ FOREACH_ARRAY(p, paths, n_paths) {
+ free(p->condition);
+ free(p->path);
+ strv_free(p->triggered);
+ }
+
+ free(paths);
+}
+
+static int path_info_add(
+ sd_bus *bus,
+ const struct UnitInfo *u,
+ PathInfo **paths,
+ size_t *n_paths) {
+
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_strv_free_ char **triggered = NULL;
+ const char *condition, *path;
+ int r;
+
+ assert(bus);
+ assert(u);
+ assert(paths);
+ assert(n_paths);
+
+ if (!endswith(u->id, ".path"))
+ return 0;
+
+ r = get_triggered_units(bus, u->unit_path, &triggered);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_get_property(bus,
+ "org.freedesktop.systemd1",
+ u->unit_path,
+ "org.freedesktop.systemd1.Path",
+ "Paths",
+ &error,
+ &reply,
+ "a(ss)");
+ if (r < 0)
+ return log_error_errno(r, "Failed to get paths: %s", bus_error_message(&error, r));
+
+ r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_read(reply, "(ss)", &condition, &path)) > 0) {
+ _cleanup_free_ char *condition_dup = NULL, *path_dup = NULL;
+ _cleanup_strv_free_ char **triggered_dup = NULL;
+
+ condition_dup = strdup(condition);
+ if (!condition_dup)
+ return log_oom();
+
+ path_dup = strdup(path);
+ if (!path_dup)
+ return log_oom();
+
+ triggered_dup = strv_copy(triggered);
+ if (!triggered_dup)
+ return log_oom();
+
+ if (!GREEDY_REALLOC(*paths, *n_paths + 1))
+ return log_oom();
+
+ (*paths)[(*n_paths)++] = (PathInfo) {
+ .machine = u->machine,
+ .id = u->id,
+ .condition = TAKE_PTR(condition_dup),
+ .path = TAKE_PTR(path_dup),
+ .triggered = TAKE_PTR(triggered_dup),
+ };
+ }
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return 0;
+}
+
+static int output_paths_list(const PathInfo *paths, size_t n_paths) {
+ _cleanup_(table_unrefp) Table *table = NULL;
+ int r;
+
+ assert(paths || n_paths == 0);
+
+ table = table_new("path", "condition", "unit", "activates");
+ if (!table)
+ return log_oom();
+
+ table_set_header(table, arg_legend != 0);
+ if (arg_full)
+ table_set_width(table, 0);
+
+ table_set_ersatz_string(table, TABLE_ERSATZ_DASH);
+
+ FOREACH_ARRAY(p, paths, n_paths) {
+ _cleanup_free_ char *unit = NULL;
+
+ unit = format_unit_id(p->id, p->machine);
+ if (!unit)
+ return log_oom();
+
+ r = table_add_many(table,
+ TABLE_STRING, p->path,
+ TABLE_STRING, p->condition,
+ TABLE_STRING, unit);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ r = table_add_triggered(table, p->triggered);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ r = output_table(table);
+ if (r < 0)
+ return r;
+
+ if (arg_legend != 0)
+ output_legend("path", n_paths);
+
+ return 0;
+}
+
+int verb_list_paths(int argc, char *argv[], void *userdata) {
+ _cleanup_set_free_ Set *replies = NULL;
+ _cleanup_strv_free_ char **units = NULL;
+ _cleanup_free_ UnitInfo *unit_infos = NULL;
+ PathInfo *paths = NULL;
+ size_t n_paths = 0;
+ sd_bus *bus;
+ int r;
+
+ CLEANUP_ARRAY(paths, n_paths, path_info_array_free);
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ pager_open(arg_pager_flags);
+
+ r = expand_unit_names(bus, strv_skip(argv, 1), ".path", &units, NULL);
+ if (r < 0)
+ return r;
+
+ if (argc == 1 || units) {
+ int n;
+
+ n = get_unit_list_recursive(bus, units, &unit_infos, &replies);
+ if (n < 0)
+ return n;
+
+ FOREACH_ARRAY(u, unit_infos, n) {
+ r = path_info_add(bus, u, &paths, &n_paths);
+ if (r < 0)
+ return r;
+ }
+ }
+
+ typesafe_qsort(paths, n_paths, path_info_compare);
+ output_paths_list(paths, n_paths);
+
+ return 0;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-23 13:44:03 +0000