forked from enlightenment/efl
570 lines
12 KiB
C
570 lines
12 KiB
C
#include "elput_private.h"
|
|
|
|
#ifdef HAVE_SYSTEMD
|
|
|
|
static void
|
|
_logind_device_pause_complete(Elput_Manager *em, uint32_t major, uint32_t minor)
|
|
{
|
|
Eldbus_Proxy *proxy;
|
|
Eldbus_Message *msg;
|
|
|
|
proxy =
|
|
eldbus_proxy_get(em->dbus.obj, "org.freedesktop.login1.Session");
|
|
if (!proxy)
|
|
{
|
|
ERR("Could not get proxy for session");
|
|
return;
|
|
}
|
|
|
|
msg = eldbus_proxy_method_call_new(proxy, "PauseDeviceComplete");
|
|
if (!msg)
|
|
{
|
|
ERR("Could not create method call for proxy");
|
|
goto end;
|
|
}
|
|
|
|
eldbus_message_arguments_append(msg, "uu", major, minor);
|
|
|
|
eldbus_proxy_send(proxy, msg, NULL, NULL, -1);
|
|
|
|
end:
|
|
eldbus_message_unref(msg);
|
|
eldbus_proxy_unref(proxy);
|
|
}
|
|
|
|
static void
|
|
_cb_session_removed(void *data, const Eldbus_Message *msg)
|
|
{
|
|
Elput_Manager *em;
|
|
const char *errname, *errmsg;
|
|
const char *sid;
|
|
|
|
em = data;
|
|
|
|
if (eldbus_message_error_get(msg, &errname, &errmsg))
|
|
{
|
|
ERR("Eldbus Message Error: %s %s", errname, errmsg);
|
|
return;
|
|
}
|
|
|
|
if (eldbus_message_arguments_get(msg, "s", &sid))
|
|
{
|
|
if (!strcmp(sid, em->sid))
|
|
{
|
|
WRN("Logind session removed");
|
|
/* TODO: call manager restore function */
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
_cb_device_paused(void *data, const Eldbus_Message *msg)
|
|
{
|
|
Elput_Manager *em;
|
|
const char *errname, *errmsg;
|
|
const char *type;
|
|
uint32_t maj, min;
|
|
|
|
em = data;
|
|
|
|
if (eldbus_message_error_get(msg, &errname, &errmsg))
|
|
{
|
|
ERR("Eldbus Message Error: %s %s", errname, errmsg);
|
|
return;
|
|
}
|
|
|
|
if (eldbus_message_arguments_get(msg, "uus", &maj, &min, &type))
|
|
{
|
|
if (!strcmp(type, "pause"))
|
|
_logind_device_pause_complete(em, maj, min);
|
|
|
|
if ((em->sync) && (maj == 226)) // DRM_MAJOR
|
|
{
|
|
/* TODO: _ecore_drm2_launcher_activate_send(em, EINA_FALSE); */
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
_cb_device_resumed(void *data, const Eldbus_Message *msg)
|
|
{
|
|
Elput_Manager *em;
|
|
const char *errname, *errmsg;
|
|
uint32_t maj, min;
|
|
int fd;
|
|
|
|
em = data;
|
|
|
|
if (eldbus_message_error_get(msg, &errname, &errmsg))
|
|
{
|
|
ERR("Eldbus Message Error: %s %s", errname, errmsg);
|
|
return;
|
|
}
|
|
|
|
if (eldbus_message_arguments_get(msg, "uuh", &maj, &min, &fd))
|
|
{
|
|
if ((em->sync) && (maj == 226)) // DRM_MAJOR
|
|
{
|
|
/* TODO: _ecore_drm2_launcher_activate_send(em, EINA_TRUE); */
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
_cb_property_changed(void *data, Eldbus_Proxy *proxy EINA_UNUSED, void *event)
|
|
{
|
|
Elput_Manager *em;
|
|
Eldbus_Proxy_Event_Property_Changed *ev;
|
|
Eina_Bool active = EINA_FALSE;
|
|
|
|
em = data;
|
|
ev = event;
|
|
|
|
DBG("DBus Property Changed: %s", ev->name);
|
|
|
|
if (!strcmp(ev->name, "Active"))
|
|
{
|
|
eina_value_get(ev->value, &active);
|
|
if ((!em->sync) || (!active))
|
|
{
|
|
/* TODO: _ecore_drm2_launcher_activate_send(em, active); */
|
|
}
|
|
}
|
|
}
|
|
|
|
static Eina_Bool
|
|
_logind_session_vt_get(const char *sid, unsigned int *vt)
|
|
{
|
|
# ifdef HAVE_SYSTEMD_LOGIN_209
|
|
return (sd_session_get_vt(sid, vt) >= 0);
|
|
# else
|
|
int ret = 0;
|
|
char *tty;
|
|
|
|
ret = sd_session_get_tty(sid, &tty);
|
|
if (ret < 0) return ret;
|
|
|
|
ret = sscanf(tty, "tty%u", vt);
|
|
free(tty);
|
|
|
|
if (ret != 1) return EINA_FALSE;
|
|
return EINA_TRUE;
|
|
# endif
|
|
}
|
|
|
|
static Eina_Bool
|
|
_logind_dbus_open(Eldbus_Connection **conn)
|
|
{
|
|
if (!eldbus_init()) return EINA_FALSE;
|
|
|
|
*conn = eldbus_connection_get(ELDBUS_CONNECTION_TYPE_SYSTEM);
|
|
if (!*conn) return EINA_FALSE;
|
|
|
|
return EINA_TRUE;
|
|
}
|
|
|
|
static void
|
|
_logind_dbus_close(Eldbus_Connection *conn)
|
|
{
|
|
if (conn) eldbus_connection_unref(conn);
|
|
eldbus_shutdown();
|
|
}
|
|
|
|
static Eina_Bool
|
|
_logind_dbus_setup(Elput_Manager *em)
|
|
{
|
|
Eldbus_Proxy *proxy;
|
|
int ret = 0;
|
|
|
|
ret = asprintf(&em->dbus.path,
|
|
"/org/freedesktop/login1/session/%s", em->sid);
|
|
if (ret < 0) return EINA_FALSE;
|
|
|
|
em->dbus.obj =
|
|
eldbus_object_get(em->dbus.conn, "org.freedesktop.login1",
|
|
em->dbus.path);
|
|
if (!em->dbus.obj)
|
|
{
|
|
ERR("Could not get dbus object");
|
|
goto obj_err;
|
|
}
|
|
|
|
proxy =
|
|
eldbus_proxy_get(em->dbus.obj, "org.freedesktop.login1.Manager");
|
|
if (!proxy)
|
|
{
|
|
ERR("Could not get dbus proxy");
|
|
goto proxy_err;
|
|
}
|
|
|
|
eldbus_proxy_signal_handler_add(proxy, "SessionRemoved",
|
|
_cb_session_removed, em);
|
|
eldbus_proxy_unref(proxy);
|
|
|
|
proxy =
|
|
eldbus_proxy_get(em->dbus.obj, "org.freedesktop.login1.Session");
|
|
if (!proxy)
|
|
{
|
|
ERR("Could not get dbus proxy");
|
|
goto proxy_err;
|
|
}
|
|
|
|
eldbus_proxy_signal_handler_add(proxy, "PauseDevice",
|
|
_cb_device_paused, em);
|
|
eldbus_proxy_signal_handler_add(proxy, "ResumeDevice",
|
|
_cb_device_resumed, em);
|
|
eldbus_proxy_unref(proxy);
|
|
|
|
proxy =
|
|
eldbus_proxy_get(em->dbus.obj, "org.freedesktop.DBus.Properties");
|
|
if (!proxy)
|
|
{
|
|
ERR("Could not get dbus proxy");
|
|
goto proxy_err;
|
|
}
|
|
|
|
eldbus_proxy_properties_monitor(proxy, EINA_TRUE);
|
|
eldbus_proxy_event_callback_add(proxy, ELDBUS_PROXY_EVENT_PROPERTY_CHANGED,
|
|
_cb_property_changed, em);
|
|
eldbus_proxy_unref(proxy);
|
|
|
|
return EINA_TRUE;
|
|
|
|
proxy_err:
|
|
eldbus_object_unref(em->dbus.obj);
|
|
obj_err:
|
|
free(em->dbus.path);
|
|
return EINA_FALSE;
|
|
}
|
|
|
|
static Eina_Bool
|
|
_logind_control_take(Elput_Manager *em)
|
|
{
|
|
Eldbus_Proxy *proxy;
|
|
Eldbus_Message *msg, *reply;
|
|
const char *errname, *errmsg;
|
|
|
|
proxy =
|
|
eldbus_proxy_get(em->dbus.obj, "org.freedesktop.login1.Session");
|
|
if (!proxy)
|
|
{
|
|
ERR("Could not get proxy for session");
|
|
return EINA_FALSE;
|
|
}
|
|
|
|
msg = eldbus_proxy_method_call_new(proxy, "TakeControl");
|
|
if (!msg)
|
|
{
|
|
ERR("Could not create method call for proxy");
|
|
goto msg_err;
|
|
}
|
|
|
|
eldbus_message_arguments_append(msg, "b", EINA_FALSE);
|
|
|
|
reply = eldbus_proxy_send_and_block(proxy, msg, -1);
|
|
if (eldbus_message_error_get(reply, &errname, &errmsg))
|
|
{
|
|
ERR("Eldbus Message Error: %s %s", errname, errmsg);
|
|
goto msg_err;
|
|
}
|
|
|
|
eldbus_message_unref(reply);
|
|
eldbus_proxy_unref(proxy);
|
|
|
|
return EINA_TRUE;
|
|
|
|
msg_err:
|
|
eldbus_proxy_unref(proxy);
|
|
return EINA_FALSE;
|
|
}
|
|
|
|
static void
|
|
_logind_control_release(Elput_Manager *em)
|
|
{
|
|
Eldbus_Proxy *proxy;
|
|
Eldbus_Message *msg;
|
|
|
|
proxy =
|
|
eldbus_proxy_get(em->dbus.obj, "org.freedesktop.login1.Session");
|
|
if (!proxy)
|
|
{
|
|
ERR("Could not get proxy for session");
|
|
return;
|
|
}
|
|
|
|
msg = eldbus_proxy_method_call_new(proxy, "ReleaseControl");
|
|
if (!msg)
|
|
{
|
|
ERR("Could not create method call for proxy");
|
|
goto end;
|
|
}
|
|
|
|
eldbus_proxy_send(proxy, msg, NULL, NULL, -1);
|
|
|
|
end:
|
|
eldbus_proxy_unref(proxy);
|
|
}
|
|
|
|
static int
|
|
_logind_device_take(Elput_Manager *em, uint32_t major, uint32_t minor)
|
|
{
|
|
Eldbus_Proxy *proxy;
|
|
Eldbus_Message *msg, *reply;
|
|
Eina_Bool p = EINA_FALSE;
|
|
const char *errname, *errmsg;
|
|
int fd = -1;
|
|
|
|
proxy =
|
|
eldbus_proxy_get(em->dbus.obj, "org.freedesktop.login1.Session");
|
|
if (!proxy)
|
|
{
|
|
ERR("Could not get dbus proxy");
|
|
return -1;
|
|
}
|
|
|
|
msg = eldbus_proxy_method_call_new(proxy, "TakeDevice");
|
|
if (!msg)
|
|
{
|
|
ERR("Could not create method call for proxy");
|
|
goto err;
|
|
}
|
|
|
|
eldbus_message_arguments_append(msg, "uu", major, minor);
|
|
|
|
reply = eldbus_proxy_send_and_block(proxy, msg, -1);
|
|
if (eldbus_message_error_get(reply, &errname, &errmsg))
|
|
{
|
|
ERR("Eldbus Message Error: %s %s", errname, errmsg);
|
|
goto err;
|
|
}
|
|
|
|
if (!eldbus_message_arguments_get(reply, "hb", &fd, &p))
|
|
ERR("Could not get UNIX_FD from dbus message");
|
|
|
|
eldbus_message_unref(reply);
|
|
|
|
err:
|
|
eldbus_proxy_unref(proxy);
|
|
return fd;
|
|
}
|
|
|
|
static void
|
|
_logind_device_release(Elput_Manager *em, uint32_t major, uint32_t minor)
|
|
{
|
|
Eldbus_Proxy *proxy;
|
|
Eldbus_Message *msg;
|
|
|
|
proxy =
|
|
eldbus_proxy_get(em->dbus.obj, "org.freedesktop.login1.Session");
|
|
if (!proxy)
|
|
{
|
|
ERR("Could not get proxy for session");
|
|
return;
|
|
}
|
|
|
|
msg = eldbus_proxy_method_call_new(proxy, "ReleaseDevice");
|
|
if (!msg)
|
|
{
|
|
ERR("Could not create method call for proxy");
|
|
goto end;
|
|
}
|
|
|
|
eldbus_message_arguments_append(msg, "uu", major, minor);
|
|
|
|
eldbus_proxy_send(proxy, msg, NULL, NULL, -1);
|
|
|
|
end:
|
|
eldbus_proxy_unref(proxy);
|
|
}
|
|
|
|
static Eina_Bool
|
|
_logind_activate(Elput_Manager *em)
|
|
{
|
|
Eldbus_Proxy *proxy;
|
|
Eldbus_Message *msg;
|
|
|
|
proxy =
|
|
eldbus_proxy_get(em->dbus.obj, "org.freedesktop.login1.Session");
|
|
if (!proxy)
|
|
{
|
|
ERR("Could not get proxy for session");
|
|
return EINA_FALSE;
|
|
}
|
|
|
|
msg = eldbus_proxy_method_call_new(proxy, "Activate");
|
|
if (!msg)
|
|
{
|
|
ERR("Could not create method call for proxy");
|
|
goto msg_err;
|
|
}
|
|
|
|
eldbus_proxy_send(proxy, msg, NULL, NULL, -1);
|
|
|
|
eldbus_proxy_unref(proxy);
|
|
|
|
return EINA_TRUE;
|
|
|
|
msg_err:
|
|
eldbus_proxy_unref(proxy);
|
|
return EINA_FALSE;
|
|
}
|
|
|
|
static Eina_Bool
|
|
_logind_connect(Elput_Manager **manager, const char *seat, unsigned int tty, Eina_Bool sync)
|
|
{
|
|
Elput_Manager *em;
|
|
int ret = 0;
|
|
char *s;
|
|
|
|
em = calloc(1, sizeof(Elput_Manager));
|
|
if (!em) return EINA_FALSE;
|
|
|
|
em->interface = &_logind_interface;
|
|
em->sync = sync;
|
|
em->seat = eina_stringshare_add(seat);
|
|
|
|
ret = sd_pid_get_session(getpid(), &em->sid);
|
|
if (ret < 0)
|
|
{
|
|
ERR("Could not get systemd session");
|
|
goto session_err;
|
|
}
|
|
|
|
ret = sd_session_get_seat(em->sid, &s);
|
|
if (ret < 0)
|
|
{
|
|
ERR("Failed to get session seat");
|
|
free(s);
|
|
goto seat_err;
|
|
}
|
|
else if ((seat) && (strcmp(seat, s)))
|
|
{
|
|
ERR("Seat '%s' differs from session seat '%s'", seat, s);
|
|
free(s);
|
|
goto seat_err;
|
|
}
|
|
|
|
if (!_logind_session_vt_get(em->sid, &em->vt_num))
|
|
{
|
|
ERR("Could not get session vt");
|
|
goto vt_err;
|
|
}
|
|
else if ((tty > 0) && (em->vt_num != tty))
|
|
{
|
|
ERR("Requested VT %u differs from session VT %u", tty, em->vt_num);
|
|
goto vt_err;
|
|
}
|
|
|
|
free(s);
|
|
|
|
if (!_logind_dbus_open(&em->dbus.conn))
|
|
{
|
|
ERR("Could not connect to dbus");
|
|
goto vt_err;
|
|
}
|
|
|
|
if (!_logind_dbus_setup(em))
|
|
{
|
|
ERR("Could not setup dbus");
|
|
goto dbus_err;
|
|
}
|
|
|
|
if (!_logind_control_take(em))
|
|
{
|
|
ERR("Could not take control of session");
|
|
goto ctrl_err;
|
|
}
|
|
|
|
if (!_logind_activate(em))
|
|
{
|
|
ERR("Could not activate session");
|
|
goto actv_err;
|
|
}
|
|
|
|
*(Elput_Manager **)manager = em;
|
|
|
|
return EINA_TRUE;
|
|
|
|
actv_err:
|
|
_logind_control_release(em);
|
|
ctrl_err:
|
|
eldbus_object_unref(em->dbus.obj);
|
|
free(em->dbus.path);
|
|
dbus_err:
|
|
_logind_dbus_close(em->dbus.conn);
|
|
vt_err:
|
|
seat_err:
|
|
free(em->sid);
|
|
session_err:
|
|
free(em);
|
|
return EINA_FALSE;
|
|
}
|
|
|
|
static void
|
|
_logind_disconnect(Elput_Manager *em)
|
|
{
|
|
_logind_control_release(em);
|
|
eldbus_object_unref(em->dbus.obj);
|
|
free(em->dbus.path);
|
|
_logind_dbus_close(em->dbus.conn);
|
|
eina_stringshare_del(em->seat);
|
|
free(em->sid);
|
|
free(em);
|
|
}
|
|
|
|
static int
|
|
_logind_open(Elput_Manager *em, const char *path, int flags)
|
|
{
|
|
struct stat st;
|
|
int ret, fd = -1;
|
|
int fl;
|
|
|
|
ret = stat(path, &st);
|
|
if (ret < 0) return -1;
|
|
|
|
if (!S_ISCHR(st.st_mode)) return -1;
|
|
|
|
fd = _logind_device_take(em, major(st.st_rdev), minor(st.st_rdev));
|
|
if (fd < 0) return fd;
|
|
|
|
fl = fcntl(fd, F_GETFL);
|
|
if (fl < 0) goto err;
|
|
|
|
if (flags & O_NONBLOCK)
|
|
fl |= O_NONBLOCK;
|
|
|
|
ret = fcntl(fd, F_SETFL, fl);
|
|
if (ret < 0) goto err;
|
|
|
|
return fd;
|
|
|
|
err:
|
|
close(fd);
|
|
_logind_device_release(em, major(st.st_rdev), minor(st.st_rdev));
|
|
return -1;
|
|
}
|
|
|
|
static void
|
|
_logind_close(Elput_Manager *em, int fd)
|
|
{
|
|
struct stat st;
|
|
int ret;
|
|
|
|
ret = fstat(fd, &st);
|
|
if (ret < 0) return;
|
|
|
|
if (!S_ISCHR(st.st_mode)) return;
|
|
|
|
_logind_device_release(em, major(st.st_rdev), minor(st.st_rdev));
|
|
}
|
|
|
|
Elput_Interface _logind_interface =
|
|
{
|
|
_logind_connect,
|
|
_logind_disconnect,
|
|
_logind_open,
|
|
_logind_close,
|
|
};
|
|
|
|
#endif
|