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68 lines
3.2 KiB
68 lines
3.2 KiB
1 year ago
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From 327f02ddb69c6f908db86e250d240c1036b5c394 Mon Sep 17 00:00:00 2001
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From: Mike Yuan <me@yhndnzj.com>
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Date: Thu, 11 May 2023 13:17:59 +0800
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Subject: [PATCH] loginctl: list-sessions: minor modernization
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(cherry picked from commit 486f61a8c908d63c47625c352e456d80c88b4687)
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Related: #2209912
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---
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src/login/loginctl.c | 37 +++++++++++++++++++------------------
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1 file changed, 19 insertions(+), 18 deletions(-)
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diff --git a/src/login/loginctl.c b/src/login/loginctl.c
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index 8b72ebae57..9c21b97bb5 100644
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--- a/src/login/loginctl.c
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+++ b/src/login/loginctl.c
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@@ -141,9 +141,9 @@ static int list_sessions(int argc, char *argv[], void *userdata) {
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(void) table_set_align_percent(table, TABLE_HEADER_CELL(1), 100);
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for (;;) {
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- _cleanup_(sd_bus_error_free) sd_bus_error error_tty = SD_BUS_ERROR_NULL;
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- _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply_tty = NULL;
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- const char *id, *user, *seat, *object, *tty = NULL;
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+ _cleanup_(sd_bus_error_free) sd_bus_error error_property = SD_BUS_ERROR_NULL;
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+ _cleanup_free_ char *tty = NULL;
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+ const char *id, *user, *seat, *object;
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uint32_t uid;
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r = sd_bus_message_read(reply, "(susso)", &id, &uid, &user, &seat, &object);
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@@ -152,21 +152,22 @@ static int list_sessions(int argc, char *argv[], void *userdata) {
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if (r == 0)
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break;
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- r = sd_bus_get_property(
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- bus,
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- "org.freedesktop.login1",
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- object,
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- "org.freedesktop.login1.Session",
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- "TTY",
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- &error_tty,
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- &reply_tty,
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- "s");
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- if (r < 0)
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- log_warning_errno(r, "Failed to get TTY for session %s: %s", id, bus_error_message(&error_tty, r));
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- else {
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- r = sd_bus_message_read(reply_tty, "s", &tty);
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- if (r < 0)
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- return bus_log_parse_error(r);
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+ r = sd_bus_get_property_string(bus,
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+ "org.freedesktop.login1",
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+ object,
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+ "org.freedesktop.login1.Session",
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+ "TTY",
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+ &error_property,
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+ &tty);
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+ if (r < 0) {
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+ if (sd_bus_error_has_name(&error_property, SD_BUS_ERROR_UNKNOWN_OBJECT))
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+ /* The session is already closed when we're querying the property */
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+ continue;
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+
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+ log_warning_errno(r, "Failed to get TTY for session %s, ignoring: %s",
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+ id, bus_error_message(&error_property, r));
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+
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+ sd_bus_error_free(&error_property);
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}
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r = table_add_many(table,
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