#include <sys/ioctl.h>
#include <sys/types.h>
#include <linux/vt.h>
+#if ENABLE_UTMP
+#include <utmpx.h>
+#endif
#include "sd-device.h"
#include "fd-util.h"
#include "logind.h"
#include "parse-util.h"
+#include "path-util.h"
#include "process-util.h"
#include "strv.h"
#include "terminal-util.h"
return 0;
}
-int manager_add_user(Manager *m, uid_t uid, gid_t gid, const char *name, User **_user) {
+int manager_add_user(
+ Manager *m,
+ uid_t uid,
+ gid_t gid,
+ const char *name,
+ const char *home,
+ User **_user) {
+
User *u;
int r;
u = hashmap_get(m->users, UID_TO_PTR(uid));
if (!u) {
- r = user_new(&u, m, uid, gid, name);
+ r = user_new(&u, m, uid, gid, name, home);
if (r < 0)
return r;
}
return 0;
}
-int manager_add_user_by_name(Manager *m, const char *name, User **_user) {
+int manager_add_user_by_name(
+ Manager *m,
+ const char *name,
+ User **_user) {
+
+ const char *home = NULL;
uid_t uid;
gid_t gid;
int r;
assert(m);
assert(name);
- r = get_user_creds(&name, &uid, &gid, NULL, NULL, 0);
+ r = get_user_creds(&name, &uid, &gid, &home, NULL, 0);
if (r < 0)
return r;
- return manager_add_user(m, uid, gid, name, _user);
+ return manager_add_user(m, uid, gid, name, home, _user);
}
int manager_add_user_by_uid(Manager *m, uid_t uid, User **_user) {
if (!p)
return errno > 0 ? -errno : -ENOENT;
- return manager_add_user(m, uid, p->pw_gid, p->pw_name, _user);
+ return manager_add_user(m, uid, p->pw_gid, p->pw_name, p->pw_dir, _user);
}
int manager_add_inhibitor(Manager *m, const char* id, Inhibitor **_inhibitor) {
sn = "seat0";
if (!seat_name_is_valid(sn)) {
- log_warning("Device with invalid seat name %s found, ignoring.", sn);
+ log_device_warning(d, "Device with invalid seat name %s found, ignoring.", sn);
return 0;
}
return 0;
}
-static int vt_is_busy(unsigned int vtnr) {
+static int vt_is_busy(unsigned vtnr) {
struct vt_stat vt_stat;
int r = 0;
_cleanup_close_ int fd;
return r;
}
-int manager_spawn_autovt(Manager *m, unsigned int vtnr) {
+int manager_spawn_autovt(Manager *m, unsigned 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)];
+ char name[sizeof("autovt@tty.service") + DECIMAL_STR_MAX(unsigned)];
int r;
assert(m);
return 0;
}
+bool manager_is_lid_closed(Manager *m) {
+ Iterator i;
+ Button *b;
+
+ HASHMAP_FOREACH(b, m->buttons, i)
+ if (b->lid_closed)
+ return true;
+
+ return false;
+}
+
static bool manager_is_docked(Manager *m) {
Iterator i;
Button *b;
return r;
FOREACH_DEVICE(e, d) {
+ const char *status, *enabled, *dash, *nn, *subsys;
sd_device *p;
- const char *status, *enabled, *dash, *nn, *i, *subsys;
- bool external = false;
if (sd_device_get_parent(d, &p) < 0)
continue;
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)
+ if (!STARTSWITH_SET(dash,
+ "VGA-", "DVI-I-", "DVI-D-", "DVI-A-"
+ "Composite-", "SVIDEO-", "Component-",
+ "DIN-", "DP-", "HDMI-A-", "HDMI-B-", "TV-"))
continue;
/* Ignore ports that are not enabled */
bool manager_is_on_external_power(void) {
int r;
- /* For now we only check for AC power, but 'external power' can apply
- * to anything that isn't an internal battery */
+ /* For now we only check for AC power, but 'external power' can apply to anything that isn't an internal
+ * battery */
r = on_ac_power();
if (r < 0)
log_warning_errno(r, "Failed to read AC power status: %m");
- else if (r > 0)
- return true;
- return false;
+ return r != 0; /* Treat failure as 'on AC' */
}
bool manager_all_buttons_ignored(Manager *m) {
return true;
}
+
+int manager_read_utmp(Manager *m) {
+#if ENABLE_UTMP
+ int r;
+
+ assert(m);
+
+ if (utmpxname(_PATH_UTMPX) < 0)
+ return log_error_errno(errno, "Failed to set utmp path to " _PATH_UTMPX ": %m");
+
+ setutxent();
+
+ for (;;) {
+ _cleanup_free_ char *t = NULL;
+ struct utmpx *u;
+ const char *c;
+ Session *s;
+
+ errno = 0;
+ u = getutxent();
+ if (!u) {
+ if (errno != 0)
+ log_warning_errno(errno, "Failed to read " _PATH_UTMPX ", ignoring: %m");
+ r = 0;
+ break;
+ }
+
+ if (u->ut_type != USER_PROCESS)
+ continue;
+
+ if (!pid_is_valid(u->ut_pid))
+ continue;
+
+ t = strndup(u->ut_line, sizeof(u->ut_line));
+ if (!t) {
+ r = log_oom();
+ break;
+ }
+
+ c = path_startswith(t, "/dev/");
+ if (c) {
+ r = free_and_strdup(&t, c);
+ if (r < 0) {
+ log_oom();
+ break;
+ }
+ }
+
+ if (isempty(t))
+ continue;
+
+ s = hashmap_get(m->sessions_by_leader, PID_TO_PTR(u->ut_pid));
+ if (!s)
+ continue;
+
+ if (s->tty_validity == TTY_FROM_UTMP && !streq_ptr(s->tty, t)) {
+ /* This may happen on multiplexed SSH connection (i.e. 'SSH connection sharing'). In
+ * this case PAM and utmp sessions don't match. In such a case let's invalidate the TTY
+ * information and never acquire it again. */
+
+ s->tty = mfree(s->tty);
+ s->tty_validity = TTY_UTMP_INCONSISTENT;
+ log_debug("Session '%s' has inconsistent TTY information, dropping TTY information.", s->id);
+ continue;
+ }
+
+ /* Never override what we figured out once */
+ if (s->tty || s->tty_validity >= 0)
+ continue;
+
+ s->tty = TAKE_PTR(t);
+ s->tty_validity = TTY_FROM_UTMP;
+ log_debug("Acquired TTY information '%s' from utmp for session '%s'.", s->tty, s->id);
+ }
+
+ endutxent();
+ return r;
+#else
+ return 0;
+#endif
+}
+
+#if ENABLE_UTMP
+static int manager_dispatch_utmp(sd_event_source *s, const struct inotify_event *event, void *userdata) {
+ Manager *m = userdata;
+
+ assert(m);
+
+ /* If there's indication the file itself might have been removed or became otherwise unavailable, then let's
+ * reestablish the watch on whatever there's now. */
+ if ((event->mask & (IN_ATTRIB|IN_DELETE_SELF|IN_MOVE_SELF|IN_Q_OVERFLOW|IN_UNMOUNT)) != 0)
+ manager_connect_utmp(m);
+
+ (void) manager_read_utmp(m);
+ return 0;
+}
+#endif
+
+void manager_connect_utmp(Manager *m) {
+#if ENABLE_UTMP
+ sd_event_source *s = NULL;
+ int r;
+
+ assert(m);
+
+ /* Watch utmp for changes via inotify. We do this to deal with tools such as ssh, which will register the PAM
+ * session early, and acquire a TTY only much later for the connection. Thus during PAM the TTY won't be known
+ * yet. ssh will register itself with utmp when it finally acquired the TTY. Hence, let's make use of this, and
+ * watch utmp for the TTY asynchronously. We use the PAM session's leader PID as key, to find the right entry.
+ *
+ * Yes, relying on utmp is pretty ugly, but it's good enough for informational purposes, as well as idle
+ * detection (which, for tty sessions, relies on the TTY used) */
+
+ r = sd_event_add_inotify(m->event, &s, _PATH_UTMPX, IN_MODIFY|IN_MOVE_SELF|IN_DELETE_SELF|IN_ATTRIB, manager_dispatch_utmp, m);
+ if (r < 0)
+ log_full_errno(r == -ENOENT ? LOG_DEBUG: LOG_WARNING, r, "Failed to create inotify watch on " _PATH_UTMPX ", ignoring: %m");
+ else {
+ r = sd_event_source_set_priority(s, SD_EVENT_PRIORITY_IDLE);
+ if (r < 0)
+ log_warning_errno(r, "Failed to adjust utmp event source priority, ignoring: %m");
+
+ (void) sd_event_source_set_description(s, "utmp");
+ }
+
+ sd_event_source_unref(m->utmp_event_source);
+ m->utmp_event_source = s;
+#endif
+}
+
+void manager_reconnect_utmp(Manager *m) {
+#if ENABLE_UTMP
+ assert(m);
+
+ if (m->utmp_event_source)
+ return;
+
+ manager_connect_utmp(m);
+#endif
+}
projects / thirdparty / systemd.git / blobdiff