diff options
Diffstat (limited to 'src/login/logind-utmp.c')
| -rw-r--r-- | src/login/logind-utmp.c | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/src/login/logind-utmp.c b/src/login/logind-utmp.c deleted file mode 100644 index 29ab00eb1f..0000000000 --- a/src/login/logind-utmp.c +++ /dev/null @@ -1,183 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2015 Daniel Mack - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <errno.h> -#include <pwd.h> -#include <string.h> -#include <unistd.h> - -#include "sd-messages.h" - -#include "alloc-util.h" -#include "audit-util.h" -#include "bus-common-errors.h" -#include "bus-error.h" -#include "bus-util.h" -#include "formats-util.h" -#include "logind.h" -#include "special.h" -#include "strv.h" -#include "unit-name.h" -#include "user-util.h" -#include "utmp-wtmp.h" - -_const_ static usec_t when_wall(usec_t n, usec_t elapse) { - - usec_t left; - unsigned int i; - static const int wall_timers[] = { - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, - 25, 40, 55, 70, 100, 130, 150, 180, - }; - - /* If the time is already passed, then don't announce */ - if (n >= elapse) - return 0; - - left = elapse - n; - - for (i = 1; i < ELEMENTSOF(wall_timers); i++) - if (wall_timers[i] * USEC_PER_MINUTE >= left) - return left - wall_timers[i-1] * USEC_PER_MINUTE; - - return left % USEC_PER_HOUR; -} - -bool logind_wall_tty_filter(const char *tty, void *userdata) { - - Manager *m = userdata; - - assert(m); - - if (!startswith(tty, "/dev/") || !m->scheduled_shutdown_tty) - return true; - - return !streq(tty + 5, m->scheduled_shutdown_tty); -} - -static int warn_wall(Manager *m, usec_t n) { - char date[FORMAT_TIMESTAMP_MAX] = {}; - _cleanup_free_ char *l = NULL; - usec_t left; - int r; - - assert(m); - - if (!m->enable_wall_messages) - return 0; - - left = m->scheduled_shutdown_timeout > n; - - r = asprintf(&l, "%s%sThe system is going down for %s %s%s!", - strempty(m->wall_message), - isempty(m->wall_message) ? "" : "\n", - m->scheduled_shutdown_type, - left ? "at " : "NOW", - left ? format_timestamp(date, sizeof(date), m->scheduled_shutdown_timeout) : ""); - if (r < 0) { - log_oom(); - return 0; - } - - utmp_wall(l, uid_to_name(m->scheduled_shutdown_uid), - m->scheduled_shutdown_tty, logind_wall_tty_filter, m); - - return 1; -} - -static int wall_message_timeout_handler( - sd_event_source *s, - uint64_t usec, - void *userdata) { - - Manager *m = userdata; - usec_t n, next; - int r; - - assert(m); - assert(s == m->wall_message_timeout_source); - - n = now(CLOCK_REALTIME); - - r = warn_wall(m, n); - if (r == 0) - return 0; - - next = when_wall(n, m->scheduled_shutdown_timeout); - if (next > 0) { - r = sd_event_source_set_time(s, n + next); - if (r < 0) - return log_error_errno(r, "sd_event_source_set_time() failed. %m"); - - r = sd_event_source_set_enabled(s, SD_EVENT_ONESHOT); - if (r < 0) - return log_error_errno(r, "sd_event_source_set_enabled() failed. %m"); - } - - return 0; -} - -int manager_setup_wall_message_timer(Manager *m) { - - usec_t n, elapse; - int r; - - assert(m); - - n = now(CLOCK_REALTIME); - elapse = m->scheduled_shutdown_timeout; - - /* wall message handling */ - - if (isempty(m->scheduled_shutdown_type)) { - warn_wall(m, n); - return 0; - } - - if (elapse < n) - return 0; - - /* Warn immediately if less than 15 minutes are left */ - if (elapse - n < 15 * USEC_PER_MINUTE) { - r = warn_wall(m, n); - if (r == 0) - return 0; - } - - elapse = when_wall(n, elapse); - if (elapse == 0) - return 0; - - if (m->wall_message_timeout_source) { - r = sd_event_source_set_time(m->wall_message_timeout_source, n + elapse); - if (r < 0) - return log_error_errno(r, "sd_event_source_set_time() failed. %m"); - - r = sd_event_source_set_enabled(m->wall_message_timeout_source, SD_EVENT_ONESHOT); - if (r < 0) - return log_error_errno(r, "sd_event_source_set_enabled() failed. %m"); - } else { - r = sd_event_add_time(m->event, &m->wall_message_timeout_source, - CLOCK_REALTIME, n + elapse, 0, wall_message_timeout_handler, m); - if (r < 0) - return log_error_errno(r, "sd_event_add_time() failed. %m"); - } - - return 0; -} |