libsystemd-logind-core.la \
$(libsystemd_logind_core_la_LIBADD)
-if HAVE_ACL
-systemd_logind_SOURCES += \
- src/login/logind-acl.c
-
-systemd_logind_LDADD += \
- libsystemd-acl.la
-endif
-
libsystemd_logind_core_la_SOURCES = \
+ src/login/logind-core.c \
src/login/logind-dbus.c \
src/login/logind-device.c \
src/login/logind-device.h \
libsystemd-id128-internal.la \
libudev.la
+if HAVE_ACL
+libsystemd_logind_core_la_SOURCES += \
+ src/login/logind-acl.c
+
+libsystemd_logind_core_la_LIBADD += \
+ libsystemd-acl.la
+endif
+
noinst_LTLIBRARIES += \
libsystemd-logind-core.la
--- /dev/null
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ 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 <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <pwd.h>
+#include <unistd.h>
+#include <linux/vt.h>
+
+#include "logind.h"
+#include "dbus-common.h"
+#include "strv.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) {
+ if (_device)
+ *_device = d;
+
+ /* we support adding master-flags, but not removing them */
+ d->master = d->master || master;
+
+ return 0;
+ }
+
+ 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) {
+ if (_seat)
+ *_seat = s;
+
+ return 0;
+ }
+
+ 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) {
+ if (_session)
+ *_session = s;
+
+ return 0;
+ }
+
+ 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;
+
+ assert(m);
+ assert(name);
+
+ u = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
+ if (u) {
+ if (_user)
+ *_user = u;
+
+ return 0;
+ }
+
+ u = user_new(m, uid, gid, name);
+ if (!u)
+ return -ENOMEM;
+
+ 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 ? -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) {
+ if (_button)
+ *_button = b;
+
+ return 0;
+ }
+
+ b = button_new(m, name);
+ if (!b)
+ return -ENOMEM;
+
+ if (_button)
+ *_button = b;
+
+ return 0;
+}
+
+int manager_watch_busname(Manager *m, const char *name) {
+ char *n;
+ int r;
+
+ assert(m);
+ assert(name);
+
+ if (hashmap_get(m->busnames, name))
+ return 0;
+
+ n = strdup(name);
+ if (!n)
+ return -ENOMEM;
+
+ r = hashmap_put(m->busnames, n, n);
+ if (r < 0) {
+ free(n);
+ return r;
+ }
+
+ return 0;
+}
+
+void manager_drop_busname(Manager *m, const char *name) {
+ Session *session;
+ Iterator i;
+ char *key;
+
+ assert(m);
+ assert(name);
+
+ if (!hashmap_get(m->busnames, name))
+ return;
+
+ /* keep it if the name still owns a controller */
+ HASHMAP_FOREACH(session, m->sessions, i)
+ if (session_is_controller(session, name))
+ return;
+
+ key = hashmap_remove(m->busnames, name);
+ if (key)
+ free(key);
+}
+
+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;
+ }
+
+ /* ignore non-master devices for unknown seats */
+ master = udev_device_has_tag(d, "master-of-seat");
+ if (!master && !(seat = hashmap_get(m->seats, sn)))
+ 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);
+ assert(session);
+
+ if (pid < 1)
+ return -EINVAL;
+
+ r = cg_pid_get_unit(pid, &unit);
+ if (r < 0)
+ return r;
+
+ s = hashmap_get(m->session_units, unit);
+ if (!s)
+ return 0;
+
+ *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 r;
+
+ 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 = { 0, 0 };
+ Iterator i;
+
+ assert(m);
+
+ idle_hint = !manager_is_inhibited(m, INHIBIT_IDLE, INHIBIT_BLOCK, t, false, false, 0);
+
+ 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_user_processes)
+ return false;
+
+ if (strv_contains(m->kill_exclude_users, user))
+ return false;
+
+ if (strv_isempty(m->kill_only_users))
+ return true;
+
+ return strv_contains(m->kill_only_users, user);
+}
+
+static int vt_is_busy(int vtnr) {
+ struct vt_stat vt_stat;
+ int r = 0, 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));
+
+ close_nointr_nofail(fd);
+
+ return r;
+}
+
+int manager_spawn_autovt(Manager *m, int vtnr) {
+ int r;
+ char *name = NULL;
+ const char *mode = "fail";
+
+ assert(m);
+ assert(vtnr >= 1);
+
+ if ((unsigned) vtnr > m->n_autovts &&
+ (unsigned) vtnr != m->reserve_vt)
+ return 0;
+
+ if ((unsigned) 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;
+ }
+
+ if (asprintf(&name, "autovt@tty%i.service", vtnr) < 0) {
+ log_error("Could not allocate service name.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ r = bus_method_call_with_reply (
+ m->bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "StartUnit",
+ NULL,
+ NULL,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_STRING, &mode,
+ DBUS_TYPE_INVALID);
+
+finish:
+ free(name);
+
+ return r;
+}
***/
#include <errno.h>
-#include <pwd.h>
#include <libudev.h>
#include <fcntl.h>
#include <string.h>
#include <unistd.h>
#include <sys/epoll.h>
-#include <sys/ioctl.h>
#include <linux/vt.h>
#include <sys/timerfd.h>
free(m);
}
-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) {
- if (_device)
- *_device = d;
-
- /* we support adding master-flags, but not removing them */
- d->master = d->master || master;
-
- return 0;
- }
-
- 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) {
- if (_seat)
- *_seat = s;
-
- return 0;
- }
-
- 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) {
- if (_session)
- *_session = s;
-
- return 0;
- }
-
- 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;
-
- assert(m);
- assert(name);
-
- u = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
- if (u) {
- if (_user)
- *_user = u;
-
- return 0;
- }
-
- u = user_new(m, uid, gid, name);
- if (!u)
- return -ENOMEM;
-
- 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 ? -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) {
- if (_button)
- *_button = b;
-
- return 0;
- }
-
- b = button_new(m, name);
- if (!b)
- return -ENOMEM;
-
- if (_button)
- *_button = b;
-
- return 0;
-}
-
-int manager_watch_busname(Manager *m, const char *name) {
- char *n;
- int r;
-
- assert(m);
- assert(name);
-
- if (hashmap_get(m->busnames, name))
- return 0;
-
- n = strdup(name);
- if (!n)
- return -ENOMEM;
-
- r = hashmap_put(m->busnames, n, n);
- if (r < 0) {
- free(n);
- return r;
- }
-
- return 0;
-}
-
-void manager_drop_busname(Manager *m, const char *name) {
- Session *session;
- Iterator i;
- char *key;
-
- assert(m);
- assert(name);
-
- if (!hashmap_get(m->busnames, name))
- return;
-
- /* keep it if the name still owns a controller */
- HASHMAP_FOREACH(session, m->sessions, i)
- if (session_is_controller(session, name))
- return;
-
- key = hashmap_remove(m->busnames, name);
- if (key)
- free(key);
-}
-
-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;
- }
-
- /* ignore non-master devices for unknown seats */
- master = udev_device_has_tag(d, "master-of-seat");
- if (!master && !(seat = hashmap_get(m->seats, sn)))
- 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_enumerate_devices(Manager *m) {
struct udev_list_entry *item = NULL, *first = NULL;
struct udev_enumerate *e;
return 0;
}
-static int vt_is_busy(int vtnr) {
- struct vt_stat vt_stat;
- int r = 0, 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));
-
- close_nointr_nofail(fd);
-
- return r;
-}
-
-int manager_spawn_autovt(Manager *m, int vtnr) {
- int r;
- char *name = NULL;
- const char *mode = "fail";
-
- assert(m);
- assert(vtnr >= 1);
-
- if ((unsigned) vtnr > m->n_autovts &&
- (unsigned) vtnr != m->reserve_vt)
- return 0;
-
- if ((unsigned) 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;
- }
-
- if (asprintf(&name, "autovt@tty%i.service", vtnr) < 0) {
- log_error("Could not allocate service name.");
- r = -ENOMEM;
- goto finish;
- }
-
- r = bus_method_call_with_reply (
- m->bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "StartUnit",
- NULL,
- NULL,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_STRING, &mode,
- DBUS_TYPE_INVALID);
-
-finish:
- free(name);
-
- return r;
-}
-
static int manager_reserve_vt(Manager *m) {
_cleanup_free_ char *p = NULL;
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);
- assert(session);
-
- if (pid < 1)
- return -EINVAL;
-
- r = cg_pid_get_unit(pid, &unit);
- if (r < 0)
- return r;
-
- s = hashmap_get(m->session_units, unit);
- if (!s)
- return 0;
-
- *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 r;
-
- u = hashmap_get(m->user_units, unit);
- if (!u)
- return 0;
-
- *user = u;
- return 1;
-}
-
static void manager_dispatch_other(Manager *m, int fd) {
Session *s;
Inhibitor *i;
}
}
-int manager_get_idle_hint(Manager *m, dual_timestamp *t) {
- Session *s;
- bool idle_hint;
- dual_timestamp ts = { 0, 0 };
- Iterator i;
-
- assert(m);
-
- idle_hint = !manager_is_inhibited(m, INHIBIT_IDLE, INHIBIT_BLOCK, t, false, false, 0);
-
- 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_user_processes)
- return false;
-
- if (strv_contains(m->kill_exclude_users, user))
- return false;
-
- if (strv_isempty(m->kill_only_users))
- return true;
-
- return strv_contains(m->kill_only_users, user);
-}
-
int manager_dispatch_idle_action(Manager *m) {
struct dual_timestamp since;
struct itimerspec its = {};
~ianmdlvl / elogind.git / commitdiff