#include <errno.h>
#include <string.h>
+#include <unistd.h>
#include "logind.h"
#include "dbus-common.h"
+#include "strv.h"
#define BUS_MANAGER_INTERFACE \
" <interface name=\"org.freedesktop.login1.Manager\">\n" \
" <method name=\"CreateSession\">\n" \
" <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
" <arg name=\"leader\" type=\"u\" direction=\"in\"/>\n" \
+ " <arg name=\"sevice\" type=\"s\" direction=\"in\"/>\n" \
" <arg name=\"type\" type=\"s\" direction=\"in\"/>\n" \
" <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \
" <arg name=\"tty\" type=\"s\" direction=\"in\"/>\n" \
" <arg name=\"remote_host\" type=\"s\" direction=\"in\"/>\n" \
" <arg name=\"controllers\" type=\"as\" direction=\"in\"/>\n" \
" <arg name=\"reset_controllers\" type=\"as\" direction=\"in\"/>\n" \
- " <arg name=\"kill_processes\" type=\"as\" direction=\"in\"/>\n" \
+ " <arg name=\"kill_processes\" type=\"b\" direction=\"in\"/>\n" \
" <arg name=\"id\" type=\"s\" direction=\"out\"/>\n" \
" <arg name=\"path\" type=\"o\" direction=\"out\"/>\n" \
+ " <arg name=\"runtime_path\" type=\"o\" direction=\"out\"/>\n" \
" <arg name=\"fd\" type=\"h\" direction=\"out\"/>\n" \
" </method>\n" \
" <method name=\"ActivateSession\">\n" \
return 0;
}
+static int bus_manager_create_session(Manager *m, DBusMessage *message, DBusMessage **_reply) {
+ Session *session = NULL;
+ User *user = NULL;
+ const char *type, *seat, *tty, *display, *remote_user, *remote_host, *service;
+ uint32_t uid, leader, audit_id = 0;
+ dbus_bool_t remote, kill_processes;
+ char **controllers = NULL, **reset_controllers = NULL;
+ SessionType t;
+ Seat *s;
+ DBusMessageIter iter;
+ int r;
+ char *id, *p;
+ int vtnr = -1;
+ int pipe_fds[2] = { -1, -1 };
+ DBusMessage *reply = NULL;
+ bool b;
+
+ assert(m);
+ assert(message);
+ assert(_reply);
+
+ if (!dbus_message_iter_init(message, &iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(&iter, &uid);
+
+ if (!dbus_message_iter_next(&iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(&iter, &leader);
+
+ if (leader <= 0 ||
+ !dbus_message_iter_next(&iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(&iter, &service);
+
+ if (!dbus_message_iter_next(&iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(&iter, &type);
+ t = session_type_from_string(type);
+
+ if (t < 0 ||
+ !dbus_message_iter_next(&iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(&iter, &seat);
+
+ if (isempty(seat))
+ s = NULL;
+ else {
+ s = hashmap_get(m->seats, seat);
+ if (!s)
+ return -ENOENT;
+ }
+
+ if (!dbus_message_iter_next(&iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(&iter, &tty);
+
+ if (tty_is_vc(tty)) {
+
+ if (!s)
+ s = m->vtconsole;
+ else if (s != m->vtconsole)
+ return -EINVAL;
+
+ vtnr = vtnr_from_tty(tty);
+
+ if (vtnr <= 0)
+ return vtnr < 0 ? vtnr : -EINVAL;
+
+ } else if (s == m->vtconsole)
+ return -EINVAL;
+
+ if (!dbus_message_iter_next(&iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(&iter, &display);
+
+ if (!dbus_message_iter_next(&iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_BOOLEAN)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(&iter, &remote);
+
+ if (!dbus_message_iter_next(&iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(&iter, &remote_user);
+
+ if (!dbus_message_iter_next(&iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(&iter, &remote_host);
+
+ if (!dbus_message_iter_next(&iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
+ dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRING)
+ return -EINVAL;
+
+ r = bus_parse_strv_iter(&iter, &controllers);
+ if (r < 0)
+ return -EINVAL;
+
+ if (!dbus_message_iter_next(&iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
+ dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRING) {
+ r = -EINVAL;
+ goto fail;
+ }
+
+ r = bus_parse_strv_iter(&iter, &reset_controllers);
+ if (r < 0)
+ goto fail;
+
+ if (!dbus_message_iter_next(&iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_BOOLEAN) {
+ r = -EINVAL;
+ goto fail;
+ }
+
+ dbus_message_iter_get_basic(&iter, &kill_processes);
+
+ r = manager_add_user_by_uid(m, uid, &user);
+ if (r < 0)
+ goto fail;
+
+ audit_session_from_pid(leader, &audit_id);
+
+ if (audit_id > 0)
+ asprintf(&id, "%lu", (unsigned long) audit_id);
+ else
+ asprintf(&id, "c%lu", ++m->session_counter);
+
+ if (!id) {
+ r = -ENOMEM;
+ goto fail;
+ }
+
+ if (hashmap_get(m->sessions, id)) {
+ r = -EEXIST;
+ goto fail;
+ }
+
+ r = manager_add_session(m, user, id, &session);
+ free(id);
+ if (r < 0)
+ goto fail;
+
+ session->leader = leader;
+ session->audit_id = audit_id;
+ session->type = t;
+ session->remote = remote;
+ session->controllers = controllers;
+ session->reset_controllers = reset_controllers;
+ session->kill_processes = kill_processes;
+ session->vtnr = vtnr;
+
+ controllers = reset_controllers = NULL;
+
+ if (!isempty(tty)) {
+ session->tty = strdup(tty);
+ if (!session->tty) {
+ r = -ENOMEM;
+ goto fail;
+ }
+ }
+
+ if (!isempty(display)) {
+ session->display = strdup(display);
+ if (!session->display) {
+ r = -ENOMEM;
+ goto fail;
+ }
+ }
+
+ if (!isempty(remote_user)) {
+ session->remote_user = strdup(remote_user);
+ if (!session->remote_user) {
+ r = -ENOMEM;
+ goto fail;
+ }
+ }
+
+ if (!isempty(remote_host)) {
+ session->remote_host = strdup(remote_host);
+ if (!session->remote_host) {
+ r = -ENOMEM;
+ goto fail;
+ }
+ }
+
+ if (!isempty(service)) {
+ session->service = strdup(service);
+ if (!session->service) {
+ r = -ENOMEM;
+ goto fail;
+ }
+ }
+
+ if (pipe(pipe_fds) < 0) {
+ r = -errno;
+ goto fail;
+ }
+
+ session->pipe_fd = pipe_fds[1];
+ pipe_fds[1] = -1;
+
+ if (s) {
+ r = seat_attach_session(s, session);
+ if (r < 0)
+ goto fail;
+ }
+
+ r = session_start(session);
+ if (r < 0)
+ goto fail;
+
+ reply = dbus_message_new_method_return(message);
+ if (!reply) {
+ r = -ENOMEM;
+ goto fail;
+ }
+
+ p = session_bus_path(session);
+ if (!p) {
+ r = -ENOMEM;
+ goto fail;
+ }
+
+ b = dbus_message_append_args(
+ reply,
+ DBUS_TYPE_STRING, &session->id,
+ DBUS_TYPE_OBJECT_PATH, &p,
+ DBUS_TYPE_STRING, &session->user->runtime_path,
+ DBUS_TYPE_UNIX_FD, &pipe_fds[0],
+ DBUS_TYPE_INVALID);
+ free(p);
+
+ if (!b) {
+ r = -ENOMEM;
+ goto fail;
+ }
+
+ close_nointr_nofail(pipe_fds[0]);
+ *_reply = reply;
+
+ return 0;
+
+fail:
+ strv_free(controllers);
+ strv_free(reset_controllers);
+
+ if (session)
+ session_add_to_gc_queue(session);
+
+ if (user)
+ user_add_to_gc_queue(user);
+
+ close_pipe(pipe_fds);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ return r;
+}
+
static DBusHandlerResult manager_message_handler(
DBusConnection *connection,
DBusMessage *message,
const BusProperty properties[] = {
{ "org.freedesktop.login1.Manager", "ControlGroupHierarchy", bus_property_append_string, "s", m->cgroup_path },
{ "org.freedesktop.login1.Manager", "Controllers", bus_property_append_strv, "as", m->controllers },
- { "org.freedesktop.login1.Manager", "ResetControllers", bus_property_append_strv, "as", m->reset_controllers },
{ "org.freedesktop.login1.Manager", "NAutoVTs", bus_property_append_unsigned, "u", &m->n_autovts },
{ "org.freedesktop.login1.Manager", "KillOnlyUsers", bus_property_append_strv, "as", m->kill_only_users },
{ "org.freedesktop.login1.Manager", "KillExcludeUsers", bus_property_append_strv, "as", m->kill_exclude_users },
if (!dbus_message_iter_close_container(&iter, &sub))
goto oom;
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CreateSession")) {
+
+ r = bus_manager_create_session(m, message, &reply);
+ if (r == -ENOMEM)
+ goto oom;
+
+ if (r < 0)
+ return bus_send_error_reply(connection, message, &error, r);
+
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ActivateSession")) {
const char *name;
Session *session;
~ianmdlvl / elogind.git / blobdiff