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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
commit | b750101eb236130cf056c675997decbac904cc49 (patch) | |
tree | a5df1a06754bdd014cb975c051c83b01c9a97532 /src/systemctl/systemctl-list-units.c | |
parent | Initial commit. (diff) | |
download | systemd-b750101eb236130cf056c675997decbac904cc49.tar.xz systemd-b750101eb236130cf056c675997decbac904cc49.zip |
Adding upstream version 252.22.upstream/252.22upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/systemctl/systemctl-list-units.c | 936 |
1 files changed, 936 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..08335d9 --- /dev/null +++ b/src/systemctl/systemctl-list-units.c @@ -0,0 +1,936 @@ +/* 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 "set.h" +#include "sort-util.h" +#include "systemctl-list-units.h" +#include "systemctl-util.h" +#include "systemctl.h" +#include "terminal-util.h" + +static void message_set_freep(Set **set) { + set_free_with_destructor(*set, sd_bus_message_unref); +} + +static int get_unit_list_recursive( + sd_bus *bus, + char **patterns, + UnitInfo **ret_unit_infos, + Set **ret_replies, + char ***ret_machines) { + + _cleanup_free_ UnitInfo *unit_infos = NULL; + _cleanup_(message_set_freep) Set *replies = NULL; + sd_bus_message *reply; + int c, r; + + assert(bus); + assert(ret_replies); + assert(ret_unit_infos); + assert(ret_machines); + + replies = set_new(NULL); + if (!replies) + return log_oom(); + + c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply); + if (c < 0) + return c; + + r = set_put(replies, reply); + if (r < 0) { + sd_bus_message_unref(reply); + return 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_put(replies, reply); + if (r < 0) { + sd_bus_message_unref(reply); + return log_oom(); + } + } + + *ret_machines = TAKE_PTR(machines); + } else + *ret_machines = NULL; + + *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 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); + + for (const UnitInfo *u = unit_infos; unit_infos && (size_t) (u - unit_infos) < c; u++) { + _cleanup_free_ char *j = NULL; + const char *on_underline = "", *on_loaded = "", *on_active = ""; + const char *on_circle = "", *id; + 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; + } + + if (u->machine) { + j = strjoin(u->machine, ":", u->id); + if (!j) + return log_oom(); + + id = j; + } else + id = u->id; + + 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) { + puts("\n" + "LOAD = Reflects whether the unit definition was properly loaded.\n" + "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n" + "SUB = The low-level unit activation state, values depend on unit type."); + if (job_count > 0) + puts("JOB = Pending job for the unit.\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_(message_set_freep) Set *replies = NULL; + _cleanup_strv_free_ char **machines = 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, &machines); + if (r < 0) + return r; + } else { + r = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines); + 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; +} + +static int get_listening( + sd_bus *bus, + const char* unit_path, + char*** listening) { + + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; + const char *type, *path; + int r, n = 0; + + r = sd_bus_get_property( + bus, + "org.freedesktop.systemd1", + 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) { + + r = strv_extend(listening, type); + if (r < 0) + return log_oom(); + + r = strv_extend(listening, path); + if (r < 0) + return log_oom(); + + n++; + } + 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 n; +} + +struct socket_info { + const char *machine; + const char* id; + + char* type; + char* path; + + /* 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; + + /* The strv above is shared. free is set only in the first one. */ + bool own_triggered; +}; + +static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) { + int r; + + assert(a); + assert(b); + + r = strcasecmp_ptr(a->machine, b->machine); + if (r != 0) + return r; + + r = strcmp(a->path, b->path); + if (r != 0) + return r; + + return strcmp(a->type, b->type); +} + +static int output_sockets_list(struct socket_info *socket_infos, size_t cs) { + _cleanup_(table_unrefp) Table *table = NULL; + int r; + + assert(socket_infos || cs == 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); + + for (struct socket_info *s = socket_infos; s < socket_infos + cs; s++) { + _cleanup_free_ char *j = NULL; + const char *path; + + if (s->machine) { + j = strjoin(s->machine, ":", s->path); + if (!j) + return log_oom(); + path = j; + } else + path = s->path; + + r = table_add_many(table, + TABLE_STRING, path, + TABLE_STRING, s->type, + TABLE_STRING, s->id); + if (r < 0) + return table_log_add_error(r); + + if (strv_isempty(s->triggered)) + r = table_add_cell(table, NULL, TABLE_EMPTY, NULL); + else if (strv_length(s->triggered) == 1) + r = table_add_cell(table, NULL, TABLE_STRING, s->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? */ + r = table_add_cell(table, NULL, TABLE_STRV, 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", cs); + + return 0; +} + +int verb_list_sockets(int argc, char *argv[], void *userdata) { + _cleanup_(message_set_freep) Set *replies = NULL; + _cleanup_strv_free_ char **machines = NULL; + _cleanup_strv_free_ char **sockets_with_suffix = NULL; + _cleanup_free_ UnitInfo *unit_infos = NULL; + _cleanup_free_ struct socket_info *socket_infos = NULL; + size_t cs = 0; + int r, n; + sd_bus *bus; + + 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) { + n = get_unit_list_recursive(bus, sockets_with_suffix, &unit_infos, &replies, &machines); + if (n < 0) + return n; + + for (const UnitInfo *u = unit_infos; u < unit_infos + n; u++) { + _cleanup_strv_free_ char **listening = NULL, **triggered = NULL; + int c; + + if (!endswith(u->id, ".socket")) + continue; + + r = get_triggered_units(bus, u->unit_path, &triggered); + if (r < 0) + goto cleanup; + + c = get_listening(bus, u->unit_path, &listening); + if (c < 0) { + r = c; + goto cleanup; + } + + if (!GREEDY_REALLOC(socket_infos, cs + c)) { + r = log_oom(); + goto cleanup; + } + + for (int i = 0; i < c; i++) + socket_infos[cs + i] = (struct socket_info) { + .machine = u->machine, + .id = u->id, + .type = listening[i*2], + .path = listening[i*2 + 1], + .triggered = triggered, + .own_triggered = i==0, + }; + + /* from this point on we will cleanup those socket_infos */ + cs += c; + free(listening); + listening = triggered = NULL; /* avoid cleanup */ + } + + typesafe_qsort(socket_infos, cs, socket_info_compare); + } + + output_sockets_list(socket_infos, cs); + + cleanup: + assert(cs == 0 || socket_infos); + for (struct socket_info *s = socket_infos; s < socket_infos + cs; s++) { + free(s->type); + free(s->path); + if (s->own_triggered) + strv_free(s->triggered); + } + + return r; +} + +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, + usec_t *last) { + + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + int r; + + assert(bus); + assert(path); + assert(last); + + r = sd_bus_get_property_trivial( + bus, + "org.freedesktop.systemd1", + path, + "org.freedesktop.systemd1.Timer", + "LastTriggerUSec", + &error, + 't', + last); + if (r < 0) + return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r)); + + return 0; +} + +struct timer_info { + const char* machine; + const char* id; + usec_t next_elapse; + usec_t last_trigger; + char** triggered; +}; + +static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) { + 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(struct timer_info *timer_infos, size_t n) { + _cleanup_(table_unrefp) Table *table = NULL; + int r; + + assert(timer_infos || n == 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); + + for (struct timer_info *t = timer_infos; t < timer_infos + n; t++) { + _cleanup_free_ char *j = NULL, *activates = NULL; + const char *unit; + + if (t->machine) { + j = strjoin(t->machine, ":", t->id); + if (!j) + return log_oom(); + unit = j; + } else + unit = t->id; + + activates = strv_join(t->triggered, ", "); + if (!activates) + return log_oom(); + + r = table_add_many(table, + TABLE_TIMESTAMP, t->next_elapse, + TABLE_TIMESTAMP_RELATIVE, t->next_elapse, + TABLE_TIMESTAMP, t->last_trigger, + TABLE_TIMESTAMP_RELATIVE, t->last_trigger, + TABLE_STRING, unit, + TABLE_STRING, activates); + 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); + + return 0; +} + +usec_t calc_next_elapse(dual_timestamp *nw, 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; +} + +int verb_list_timers(int argc, char *argv[], void *userdata) { + _cleanup_(message_set_freep) Set *replies = NULL; + _cleanup_strv_free_ char **machines = NULL; + _cleanup_strv_free_ char **timers_with_suffix = NULL; + _cleanup_free_ struct timer_info *timer_infos = NULL; + _cleanup_free_ UnitInfo *unit_infos = NULL; + dual_timestamp nw; + size_t c = 0; + sd_bus *bus; + int n, r; + + 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) { + n = get_unit_list_recursive(bus, timers_with_suffix, &unit_infos, &replies, &machines); + if (n < 0) + return n; + + dual_timestamp_get(&nw); + + for (const UnitInfo *u = unit_infos; u < unit_infos + n; u++) { + _cleanup_strv_free_ char **triggered = NULL; + dual_timestamp next = DUAL_TIMESTAMP_NULL; + usec_t m, last = 0; + + if (!endswith(u->id, ".timer")) + continue; + + r = get_triggered_units(bus, u->unit_path, &triggered); + if (r < 0) + goto cleanup; + + r = get_next_elapse(bus, u->unit_path, &next); + if (r < 0) + goto cleanup; + + get_last_trigger(bus, u->unit_path, &last); + + if (!GREEDY_REALLOC(timer_infos, c+1)) { + r = log_oom(); + goto cleanup; + } + + m = calc_next_elapse(&nw, &next); + + timer_infos[c++] = (struct timer_info) { + .machine = u->machine, + .id = u->id, + .next_elapse = m, + .last_trigger = last, + .triggered = TAKE_PTR(triggered), + }; + } + + typesafe_qsort(timer_infos, c, timer_info_compare); + } + + output_timers_list(timer_infos, c); + + cleanup: + for (struct timer_info *t = timer_infos; t < timer_infos + c; t++) + strv_free(t->triggered); + + return r; +} + +struct automount_info { + const char *machine; + const char *id; + char *what; + char *where; + usec_t timeout_idle_usec; + bool mounted; +}; + +static int automount_info_compare(const struct automount_info *a, const struct automount_info *b) { + int r; + + assert(a); + assert(b); + + r = strcasecmp_ptr(a->machine, b->machine); + if (r != 0) + return r; + + return strcmp(a->where, b->where); +} + +static int collect_automount_info(sd_bus* bus, const UnitInfo* info, struct automount_info *ret_info) { + _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; + usec_t timeout_idle_usec; + BusLocator locator; + int r; + + assert(bus); + assert(info); + assert(ret_info); + + 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)); + + *ret_info = (struct automount_info) { + .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(struct automount_info *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); + + for (struct automount_info *info = infos; info < infos + n_infos; info++) { + _cleanup_free_ char *j = NULL; + const char *unit; + + if (info->machine) { + j = strjoin(info->machine, ":", info->id); + if (!j) + return log_oom(); + unit = j; + } else + unit = info->id; + + r = table_add_many(table, + TABLE_STRING, info->what, + TABLE_STRING, info->where, + TABLE_BOOLEAN, info->mounted, + TABLE_TIMESPAN_MSEC, info->timeout_idle_usec, + 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_(message_set_freep) Set *replies = NULL; + _cleanup_strv_free_ char **machines = NULL, **automounts = NULL; + _cleanup_free_ UnitInfo *unit_infos = NULL; + _cleanup_free_ struct automount_info *automount_infos = NULL; + size_t c = 0; + int r, n; + sd_bus *bus; + + 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", &automounts, NULL); + if (r < 0) + return r; + + if (argc == 1 || automounts) { + n = get_unit_list_recursive(bus, automounts, &unit_infos, &replies, &machines); + if (n < 0) + return n; + + for (const UnitInfo *u = unit_infos; u < unit_infos + n; u++) { + if (!endswith(u->id, ".automount")) + continue; + + if (!GREEDY_REALLOC(automount_infos, c + 1)) { + r = log_oom(); + goto cleanup; + } + + r = collect_automount_info(bus, u, &automount_infos[c]); + if (r < 0) + goto cleanup; + + c++; + } + + typesafe_qsort(automount_infos, c, automount_info_compare); + } + + output_automounts_list(automount_infos, c); + + cleanup: + assert(c == 0 || automount_infos); + for (struct automount_info *info = automount_infos; info < automount_infos + c; info++) { + free(info->what); + free(info->where); + } + + return r; +} |