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-rw-r--r--src/login/logind-core.c558
1 files changed, 0 insertions, 558 deletions
diff --git a/src/login/logind-core.c b/src/login/logind-core.c
deleted file mode 100644
index cbf8d757fe..0000000000
--- a/src/login/logind-core.c
+++ /dev/null
@@ -1,558 +0,0 @@
-/***
- This file is part of systemd.
-
- Copyright 2011 Lennart Poettering
-
- 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 <fcntl.h>
-#include <pwd.h>
-#include <sys/ioctl.h>
-#include <sys/types.h>
-#include <linux/vt.h>
-
-#include "alloc-util.h"
-#include "bus-error.h"
-#include "bus-util.h"
-#include "cgroup-util.h"
-#include "fd-util.h"
-#include "logind.h"
-#include "strv.h"
-#include "terminal-util.h"
-#include "udev-util.h"
-#include "user-util.h"
-
-int manager_add_device(Manager *m, const char *sysfs, bool master, Device **_device) {
- Device *d;
-
- assert(m);
- assert(sysfs);
-
- d = hashmap_get(m->devices, sysfs);
- if (d)
- /* we support adding master-flags, but not removing them */
- d->master = d->master || master;
- else {
- d = device_new(m, sysfs, master);
- if (!d)
- return -ENOMEM;
- }
-
- if (_device)
- *_device = d;
-
- return 0;
-}
-
-int manager_add_seat(Manager *m, const char *id, Seat **_seat) {
- Seat *s;
-
- assert(m);
- assert(id);
-
- s = hashmap_get(m->seats, id);
- if (!s) {
- s = seat_new(m, id);
- if (!s)
- return -ENOMEM;
- }
-
- if (_seat)
- *_seat = s;
-
- return 0;
-}
-
-int manager_add_session(Manager *m, const char *id, Session **_session) {
- Session *s;
-
- assert(m);
- assert(id);
-
- s = hashmap_get(m->sessions, id);
- if (!s) {
- s = session_new(m, id);
- if (!s)
- return -ENOMEM;
- }
-
- if (_session)
- *_session = s;
-
- return 0;
-}
-
-int manager_add_user(Manager *m, uid_t uid, gid_t gid, const char *name, User **_user) {
- User *u;
- int r;
-
- assert(m);
- assert(name);
-
- u = hashmap_get(m->users, UID_TO_PTR(uid));
- if (!u) {
- r = user_new(&u, m, uid, gid, name);
- if (r < 0)
- return r;
- }
-
- if (_user)
- *_user = u;
-
- return 0;
-}
-
-int manager_add_user_by_name(Manager *m, const char *name, User **_user) {
- uid_t uid;
- gid_t gid;
- int r;
-
- assert(m);
- assert(name);
-
- r = get_user_creds(&name, &uid, &gid, NULL, NULL);
- if (r < 0)
- return r;
-
- return manager_add_user(m, uid, gid, name, _user);
-}
-
-int manager_add_user_by_uid(Manager *m, uid_t uid, User **_user) {
- struct passwd *p;
-
- assert(m);
-
- errno = 0;
- p = getpwuid(uid);
- if (!p)
- return errno > 0 ? -errno : -ENOENT;
-
- return manager_add_user(m, uid, p->pw_gid, p->pw_name, _user);
-}
-
-int manager_add_inhibitor(Manager *m, const char* id, Inhibitor **_inhibitor) {
- Inhibitor *i;
-
- assert(m);
- assert(id);
-
- i = hashmap_get(m->inhibitors, id);
- if (i) {
- if (_inhibitor)
- *_inhibitor = i;
-
- return 0;
- }
-
- i = inhibitor_new(m, id);
- if (!i)
- return -ENOMEM;
-
- if (_inhibitor)
- *_inhibitor = i;
-
- return 0;
-}
-
-int manager_add_button(Manager *m, const char *name, Button **_button) {
- Button *b;
-
- assert(m);
- assert(name);
-
- b = hashmap_get(m->buttons, name);
- if (!b) {
- b = button_new(m, name);
- if (!b)
- return -ENOMEM;
- }
-
- if (_button)
- *_button = b;
-
- return 0;
-}
-
-int manager_process_seat_device(Manager *m, struct udev_device *d) {
- Device *device;
- int r;
-
- assert(m);
-
- if (streq_ptr(udev_device_get_action(d), "remove")) {
-
- device = hashmap_get(m->devices, udev_device_get_syspath(d));
- if (!device)
- return 0;
-
- seat_add_to_gc_queue(device->seat);
- device_free(device);
-
- } else {
- const char *sn;
- Seat *seat = NULL;
- bool master;
-
- sn = udev_device_get_property_value(d, "ID_SEAT");
- if (isempty(sn))
- sn = "seat0";
-
- if (!seat_name_is_valid(sn)) {
- log_warning("Device with invalid seat name %s found, ignoring.", sn);
- return 0;
- }
-
- seat = hashmap_get(m->seats, sn);
- master = udev_device_has_tag(d, "master-of-seat");
-
- /* Ignore non-master devices for unknown seats */
- if (!master && !seat)
- return 0;
-
- r = manager_add_device(m, udev_device_get_syspath(d), master, &device);
- if (r < 0)
- return r;
-
- if (!seat) {
- r = manager_add_seat(m, sn, &seat);
- if (r < 0) {
- if (!device->seat)
- device_free(device);
-
- return r;
- }
- }
-
- device_attach(device, seat);
- seat_start(seat);
- }
-
- return 0;
-}
-
-int manager_process_button_device(Manager *m, struct udev_device *d) {
- Button *b;
-
- int r;
-
- assert(m);
-
- if (streq_ptr(udev_device_get_action(d), "remove")) {
-
- b = hashmap_get(m->buttons, udev_device_get_sysname(d));
- if (!b)
- return 0;
-
- button_free(b);
-
- } else {
- const char *sn;
-
- r = manager_add_button(m, udev_device_get_sysname(d), &b);
- if (r < 0)
- return r;
-
- sn = udev_device_get_property_value(d, "ID_SEAT");
- if (isempty(sn))
- sn = "seat0";
-
- button_set_seat(b, sn);
- button_open(b);
- }
-
- return 0;
-}
-
-int manager_get_session_by_pid(Manager *m, pid_t pid, Session **session) {
- _cleanup_free_ char *unit = NULL;
- Session *s;
- int r;
-
- assert(m);
-
- if (pid < 1)
- return -EINVAL;
-
- r = cg_pid_get_unit(pid, &unit);
- if (r < 0)
- return 0;
-
- s = hashmap_get(m->session_units, unit);
- if (!s)
- return 0;
-
- if (session)
- *session = s;
- return 1;
-}
-
-int manager_get_user_by_pid(Manager *m, pid_t pid, User **user) {
- _cleanup_free_ char *unit = NULL;
- User *u;
- int r;
-
- assert(m);
- assert(user);
-
- if (pid < 1)
- return -EINVAL;
-
- r = cg_pid_get_slice(pid, &unit);
- if (r < 0)
- return 0;
-
- u = hashmap_get(m->user_units, unit);
- if (!u)
- return 0;
-
- *user = u;
- return 1;
-}
-
-int manager_get_idle_hint(Manager *m, dual_timestamp *t) {
- Session *s;
- bool idle_hint;
- dual_timestamp ts = DUAL_TIMESTAMP_NULL;
- Iterator i;
-
- assert(m);
-
- idle_hint = !manager_is_inhibited(m, INHIBIT_IDLE, INHIBIT_BLOCK, t, false, false, 0, NULL);
-
- HASHMAP_FOREACH(s, m->sessions, i) {
- dual_timestamp k;
- int ih;
-
- ih = session_get_idle_hint(s, &k);
- if (ih < 0)
- return ih;
-
- if (!ih) {
- if (!idle_hint) {
- if (k.monotonic < ts.monotonic)
- ts = k;
- } else {
- idle_hint = false;
- ts = k;
- }
- } else if (idle_hint) {
-
- if (k.monotonic > ts.monotonic)
- ts = k;
- }
- }
-
- if (t)
- *t = ts;
-
- return idle_hint;
-}
-
-bool manager_shall_kill(Manager *m, const char *user) {
- assert(m);
- assert(user);
-
- if (!m->kill_exclude_users && streq(user, "root"))
- return false;
-
- if (strv_contains(m->kill_exclude_users, user))
- return false;
-
- if (!strv_isempty(m->kill_only_users))
- return strv_contains(m->kill_only_users, user);
-
- return m->kill_user_processes;
-}
-
-static int vt_is_busy(unsigned int vtnr) {
- struct vt_stat vt_stat;
- int r = 0;
- _cleanup_close_ int fd;
-
- assert(vtnr >= 1);
-
- /* We explicitly open /dev/tty1 here instead of /dev/tty0. If
- * we'd open the latter we'd open the foreground tty which
- * hence would be unconditionally busy. By opening /dev/tty1
- * we avoid this. Since tty1 is special and needs to be an
- * explicitly loaded getty or DM this is safe. */
-
- fd = open_terminal("/dev/tty1", O_RDWR|O_NOCTTY|O_CLOEXEC);
- if (fd < 0)
- return -errno;
-
- if (ioctl(fd, VT_GETSTATE, &vt_stat) < 0)
- r = -errno;
- else
- r = !!(vt_stat.v_state & (1 << vtnr));
-
- return r;
-}
-
-int manager_spawn_autovt(Manager *m, unsigned int vtnr) {
- _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
- char name[sizeof("autovt@tty.service") + DECIMAL_STR_MAX(unsigned int)];
- int r;
-
- assert(m);
- assert(vtnr >= 1);
-
- if (vtnr > m->n_autovts &&
- vtnr != m->reserve_vt)
- return 0;
-
- if (vtnr != m->reserve_vt) {
- /* If this is the reserved TTY, we'll start the getty
- * on it in any case, but otherwise only if it is not
- * busy. */
-
- r = vt_is_busy(vtnr);
- if (r < 0)
- return r;
- else if (r > 0)
- return -EBUSY;
- }
-
- snprintf(name, sizeof(name), "autovt@tty%u.service", vtnr);
- r = sd_bus_call_method(
- m->bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "StartUnit",
- &error,
- NULL,
- "ss", name, "fail");
- if (r < 0)
- log_error("Failed to start %s: %s", name, bus_error_message(&error, r));
-
- return r;
-}
-
-static bool manager_is_docked(Manager *m) {
- Iterator i;
- Button *b;
-
- HASHMAP_FOREACH(b, m->buttons, i)
- if (b->docked)
- return true;
-
- return false;
-}
-
-static int manager_count_external_displays(Manager *m) {
- _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
- struct udev_list_entry *item = NULL, *first = NULL;
- int r;
- int n = 0;
-
- e = udev_enumerate_new(m->udev);
- if (!e)
- return -ENOMEM;
-
- r = udev_enumerate_add_match_subsystem(e, "drm");
- if (r < 0)
- return r;
-
- r = udev_enumerate_scan_devices(e);
- if (r < 0)
- return r;
-
- first = udev_enumerate_get_list_entry(e);
- udev_list_entry_foreach(item, first) {
- _cleanup_udev_device_unref_ struct udev_device *d = NULL;
- struct udev_device *p;
- const char *status, *enabled, *dash, *nn, *i;
- bool external = false;
-
- d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item));
- if (!d)
- return -ENOMEM;
-
- p = udev_device_get_parent(d);
- if (!p)
- continue;
-
- /* If the parent shares the same subsystem as the
- * device we are looking at then it is a connector,
- * which is what we are interested in. */
- if (!streq_ptr(udev_device_get_subsystem(p), "drm"))
- continue;
-
- nn = udev_device_get_sysname(d);
- if (!nn)
- continue;
-
- /* Ignore internal displays: the type is encoded in
- * the sysfs name, as the second dash seperated item
- * (the first is the card name, the last the connector
- * number). We implement a whitelist of external
- * displays here, rather than a whitelist, to ensure
- * we don't block suspends too eagerly. */
- dash = strchr(nn, '-');
- if (!dash)
- continue;
-
- dash++;
- FOREACH_STRING(i, "VGA-", "DVI-I-", "DVI-D-", "DVI-A-"
- "Composite-", "SVIDEO-", "Component-",
- "DIN-", "DP-", "HDMI-A-", "HDMI-B-", "TV-") {
-
- if (startswith(dash, i)) {
- external = true;
- break;
- }
- }
- if (!external)
- continue;
-
- /* Ignore ports that are not enabled */
- enabled = udev_device_get_sysattr_value(d, "enabled");
- if (!enabled)
- continue;
- if (!streq_ptr(enabled, "enabled"))
- continue;
-
- /* We count any connector which is not explicitly
- * "disconnected" as connected. */
- status = udev_device_get_sysattr_value(d, "status");
- if (!streq_ptr(status, "disconnected"))
- n++;
- }
-
- return n;
-}
-
-bool manager_is_docked_or_external_displays(Manager *m) {
- int n;
-
- /* If we are docked don't react to lid closing */
- if (manager_is_docked(m)) {
- log_debug("System is docked.");
- return true;
- }
-
- /* If we have more than one display connected,
- * assume that we are docked. */
- n = manager_count_external_displays(m);
- if (n < 0)
- log_warning_errno(n, "Display counting failed: %m");
- else if (n >= 1) {
- log_debug("External (%i) displays connected.", n);
- return true;
- }
-
- return false;
-}
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