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-rw-r--r--src/login/loginctl.c222
1 files changed, 153 insertions, 69 deletions
diff --git a/src/login/loginctl.c b/src/login/loginctl.c
index 7fc6efc..cf3bff4 100644
--- a/src/login/loginctl.c
+++ b/src/login/loginctl.c
@@ -44,6 +44,7 @@ static BusPrintPropertyFlags arg_print_flags = 0;
static bool arg_full = false;
static PagerFlags arg_pager_flags = 0;
static bool arg_legend = true;
+static JsonFormatFlags arg_json_format_flags = JSON_FORMAT_OFF;
static const char *arg_kill_whom = NULL;
static int arg_signal = SIGTERM;
static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
@@ -113,80 +114,115 @@ static OutputFlags get_output_flags(void) {
colors_enabled() * OUTPUT_COLOR;
}
-static int show_table(Table *table, const char *word) {
+static int list_table_print(Table *table, const char *type) {
int r;
assert(table);
- assert(word);
+ assert(type);
- if (table_get_rows(table) > 1 || OUTPUT_MODE_IS_JSON(arg_output)) {
- r = table_set_sort(table, (size_t) 0);
- if (r < 0)
- return table_log_sort_error(r);
+ r = table_set_sort(table, (size_t) 0);
+ if (r < 0)
+ return table_log_sort_error(r);
- table_set_header(table, arg_legend);
+ r = table_print_with_pager(table, arg_json_format_flags, arg_pager_flags, arg_legend);
+ if (r < 0)
+ return r;
- if (OUTPUT_MODE_IS_JSON(arg_output))
- r = table_print_json(table, NULL, output_mode_to_json_format_flags(arg_output) | JSON_FORMAT_COLOR_AUTO);
+ if (arg_legend) {
+ if (table_isempty(table))
+ printf("No %s.\n", type);
else
- r = table_print(table, NULL);
- if (r < 0)
- return table_log_print_error(r);
+ printf("\n%zu %s listed.\n", table_get_rows(table) - 1, type);
}
- if (arg_legend) {
- if (table_get_rows(table) > 1)
- printf("\n%zu %s listed.\n", table_get_rows(table) - 1, word);
+ return 0;
+}
+
+static int list_sessions_table_add(Table *table, sd_bus_message *reply) {
+ int r;
+
+ assert(table);
+ assert(reply);
+
+ r = sd_bus_message_enter_container(reply, 'a', "(sussussbto)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ for (;;) {
+ const char *session_id, *user, *seat, *class, *tty;
+ uint32_t uid, leader_pid;
+ int idle;
+ uint64_t idle_timestamp_monotonic;
+
+ r = sd_bus_message_read(reply, "(sussussbto)",
+ &session_id,
+ &uid,
+ &user,
+ &seat,
+ &leader_pid,
+ &class,
+ &tty,
+ &idle,
+ &idle_timestamp_monotonic,
+ /* object = */ NULL);
+ if (r < 0)
+ return bus_log_parse_error(r);
+ if (r == 0)
+ break;
+
+ r = table_add_many(table,
+ TABLE_STRING, session_id,
+ TABLE_UID, (uid_t) uid,
+ TABLE_STRING, user,
+ TABLE_STRING, empty_to_null(seat),
+ TABLE_PID, (pid_t) leader_pid,
+ TABLE_STRING, class,
+ TABLE_STRING, empty_to_null(tty),
+ TABLE_BOOLEAN, idle);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ if (idle)
+ r = table_add_cell(table, NULL, TABLE_TIMESTAMP_RELATIVE_MONOTONIC, &idle_timestamp_monotonic);
else
- printf("No %s.\n", word);
+ r = table_add_cell(table, NULL, TABLE_EMPTY, NULL);
+ if (r < 0)
+ return table_log_add_error(r);
}
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
return 0;
}
-static int list_sessions(int argc, char *argv[], void *userdata) {
+static int list_sessions_table_add_fallback(Table *table, sd_bus_message *reply, sd_bus *bus) {
static const struct bus_properties_map map[] = {
+ { "Leader", "u", NULL, offsetof(SessionStatusInfo, leader) },
+ { "Class", "s", NULL, offsetof(SessionStatusInfo, class) },
+ { "TTY", "s", NULL, offsetof(SessionStatusInfo, tty) },
{ "IdleHint", "b", NULL, offsetof(SessionStatusInfo, idle_hint) },
{ "IdleSinceHintMonotonic", "t", NULL, offsetof(SessionStatusInfo, idle_hint_timestamp.monotonic) },
- { "State", "s", NULL, offsetof(SessionStatusInfo, state) },
- { "TTY", "s", NULL, offsetof(SessionStatusInfo, tty) },
{},
};
- _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
- _cleanup_(table_unrefp) Table *table = NULL;
- sd_bus *bus = ASSERT_PTR(userdata);
int r;
- assert(argv);
-
- pager_open(arg_pager_flags);
-
- r = bus_call_method(bus, bus_login_mgr, "ListSessions", &error, &reply, NULL);
- if (r < 0)
- return log_error_errno(r, "Failed to list sessions: %s", bus_error_message(&error, r));
+ assert(table);
+ assert(reply);
+ assert(bus);
r = sd_bus_message_enter_container(reply, 'a', "(susso)");
if (r < 0)
return bus_log_parse_error(r);
- table = table_new("session", "uid", "user", "seat", "tty", "state", "idle", "since");
- if (!table)
- return log_oom();
-
- /* Right-align the first two fields (since they are numeric) */
- (void) table_set_align_percent(table, TABLE_HEADER_CELL(0), 100);
- (void) table_set_align_percent(table, TABLE_HEADER_CELL(1), 100);
-
- (void) table_set_ersatz_string(table, TABLE_ERSATZ_DASH);
-
for (;;) {
_cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
const char *id, *user, *seat, *object;
uint32_t uid;
- _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
SessionStatusInfo i = {};
r = sd_bus_message_read(reply, "(susso)", &id, &uid, &user, &seat, &object);
@@ -209,8 +245,9 @@ static int list_sessions(int argc, char *argv[], void *userdata) {
TABLE_UID, (uid_t) uid,
TABLE_STRING, user,
TABLE_STRING, empty_to_null(seat),
+ TABLE_PID, i.leader,
+ TABLE_STRING, i.class,
TABLE_STRING, empty_to_null(i.tty),
- TABLE_STRING, i.state,
TABLE_BOOLEAN, i.idle_hint);
if (r < 0)
return table_log_add_error(r);
@@ -227,7 +264,49 @@ static int list_sessions(int argc, char *argv[], void *userdata) {
if (r < 0)
return bus_log_parse_error(r);
- return show_table(table, "sessions");
+ return 0;
+}
+
+static int list_sessions(int argc, char *argv[], void *userdata) {
+ sd_bus *bus = ASSERT_PTR(userdata);
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_(table_unrefp) Table *table = NULL;
+ bool use_ex = true;
+ int r;
+
+ assert(argv);
+
+ r = bus_call_method(bus, bus_login_mgr, "ListSessionsEx", &error, &reply, NULL);
+ if (r < 0) {
+ if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
+ sd_bus_error_free(&error);
+
+ use_ex = false;
+ r = bus_call_method(bus, bus_login_mgr, "ListSessions", &error, &reply, NULL);
+ }
+ if (r < 0)
+ return log_error_errno(r, "Failed to list sessions: %s", bus_error_message(&error, r));
+ }
+
+ table = table_new("session", "uid", "user", "seat", "leader", "class", "tty", "idle", "since");
+ if (!table)
+ return log_oom();
+
+ /* Right-align the first two fields (since they are numeric) */
+ (void) table_set_align_percent(table, TABLE_HEADER_CELL(0), 100);
+ (void) table_set_align_percent(table, TABLE_HEADER_CELL(1), 100);
+
+ (void) table_set_ersatz_string(table, TABLE_ERSATZ_DASH);
+
+ if (use_ex)
+ r = list_sessions_table_add(table, reply);
+ else
+ r = list_sessions_table_add_fallback(table, reply, bus);
+ if (r < 0)
+ return r;
+
+ return list_table_print(table, "sessions");
}
static int list_users(int argc, char *argv[], void *userdata) {
@@ -246,8 +325,6 @@ static int list_users(int argc, char *argv[], void *userdata) {
assert(argv);
- pager_open(arg_pager_flags);
-
r = bus_call_method(bus, bus_login_mgr, "ListUsers", &error, &reply, NULL);
if (r < 0)
return log_error_errno(r, "Failed to list users: %s", bus_error_message(&error, r));
@@ -305,7 +382,7 @@ static int list_users(int argc, char *argv[], void *userdata) {
if (r < 0)
return bus_log_parse_error(r);
- return show_table(table, "users");
+ return list_table_print(table, "users");
}
static int list_seats(int argc, char *argv[], void *userdata) {
@@ -317,8 +394,6 @@ static int list_seats(int argc, char *argv[], void *userdata) {
assert(argv);
- pager_open(arg_pager_flags);
-
r = bus_call_method(bus, bus_login_mgr, "ListSeats", &error, &reply, NULL);
if (r < 0)
return log_error_errno(r, "Failed to list seats: %s", bus_error_message(&error, r));
@@ -351,7 +426,7 @@ static int list_seats(int argc, char *argv[], void *userdata) {
if (r < 0)
return bus_log_parse_error(r);
- return show_table(table, "seats");
+ return list_table_print(table, "seats");
}
static int show_unit_cgroup(
@@ -658,16 +733,15 @@ static int print_session_status_info(sd_bus *bus, const char *path) {
show_journal_by_unit(
stdout,
i.scope,
- NULL,
+ /* namespace = */ NULL,
arg_output,
- 0,
+ /* n_columns = */ 0,
i.timestamp.monotonic,
arg_lines,
- 0,
get_output_flags() | OUTPUT_BEGIN_NEWLINE,
SD_JOURNAL_LOCAL_ONLY,
- true,
- NULL);
+ /* system_unit = */ true,
+ /* ellipsized = */ NULL);
}
return 0;
@@ -764,16 +838,15 @@ static int print_user_status_info(sd_bus *bus, const char *path) {
show_journal_by_unit(
stdout,
i.slice,
- NULL,
+ /* namespace = */ NULL,
arg_output,
- 0,
+ /* n_columns = */ 0,
i.timestamp.monotonic,
arg_lines,
- 0,
get_output_flags() | OUTPUT_BEGIN_NEWLINE,
SD_JOURNAL_LOCAL_ONLY,
- true,
- NULL);
+ /* system_unit = */ true,
+ /* ellipsized = */ NULL);
}
return 0;
@@ -953,7 +1026,6 @@ static int get_bus_path_by_id(
_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 *p = NULL;
const char *path;
int r;
@@ -972,12 +1044,7 @@ static int get_bus_path_by_id(
if (r < 0)
return bus_log_parse_error(r);
- p = strdup(path);
- if (!p)
- return log_oom();
-
- *ret = TAKE_PTR(p);
- return 0;
+ return strdup_to(ret, path);
}
static int show_session(int argc, char *argv[], void *userdata) {
@@ -1442,7 +1509,10 @@ static int help(int argc, char *argv[], void *userdata) {
" --kill-whom=WHOM Whom to send signal to\n"
" -s --signal=SIGNAL Which signal to send\n"
" -n --lines=INTEGER Number of journal entries to show\n"
- " -o --output=STRING Change journal output mode (short, short-precise,\n"
+ " --json=MODE Generate JSON output for list-sessions/users/seats\n"
+ " (takes one of pretty, short, or off)\n"
+ " -j Same as --json=pretty on tty, --json=short otherwise\n"
+ " -o --output=MODE Change journal output mode (short, short-precise,\n"
" short-iso, short-iso-precise, short-full,\n"
" short-monotonic, short-unix, short-delta,\n"
" json, json-pretty, json-sse, json-seq, cat,\n"
@@ -1464,6 +1534,7 @@ static int parse_argv(int argc, char *argv[]) {
ARG_VALUE,
ARG_NO_PAGER,
ARG_NO_LEGEND,
+ ARG_JSON,
ARG_KILL_WHOM,
ARG_NO_ASK_PASSWORD,
};
@@ -1477,6 +1548,7 @@ static int parse_argv(int argc, char *argv[]) {
{ "full", no_argument, NULL, 'l' },
{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
{ "no-legend", no_argument, NULL, ARG_NO_LEGEND },
+ { "json", required_argument, NULL, ARG_JSON },
{ "kill-whom", required_argument, NULL, ARG_KILL_WHOM },
{ "signal", required_argument, NULL, 's' },
{ "host", required_argument, NULL, 'H' },
@@ -1492,7 +1564,7 @@ static int parse_argv(int argc, char *argv[]) {
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "hp:P:als:H:M:n:o:", options, NULL)) >= 0)
+ while ((c = getopt_long(argc, argv, "hp:P:als:H:M:n:o:j", options, NULL)) >= 0)
switch (c) {
@@ -1546,7 +1618,19 @@ static int parse_argv(int argc, char *argv[]) {
if (arg_output < 0)
return log_error_errno(arg_output, "Unknown output '%s'.", optarg);
- if (OUTPUT_MODE_IS_JSON(arg_output))
+ break;
+
+ case 'j':
+ arg_json_format_flags = JSON_FORMAT_PRETTY_AUTO|JSON_FORMAT_COLOR_AUTO;
+ arg_legend = false;
+ break;
+
+ case ARG_JSON:
+ r = parse_json_argument(optarg, &arg_json_format_flags);
+ if (r <= 0)
+ return r;
+
+ if (!FLAGS_SET(arg_json_format_flags, JSON_FORMAT_OFF))
arg_legend = false;
break;
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-04 17:17:47 +0000