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- /*
- * Copyright Red Hat, Inc. 2007,2009.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Red Hat, Inc., nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
- * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
- * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * Gate a process inside of a ConsoleKit session.
- *
- * We want to do this instead of doing it from inside of xinit because at the
- * point we're doing it, we've already added the user's UID to the list of
- * allowed clients for the X server, so the ConsoleKit daemon, which assumes
- * the user's UID, will be able to connect without needing to be able to read
- * the user's X cookies.
- */
- #include <sys/types.h>
- #include <sys/wait.h>
- #include <paths.h>
- #include <stdlib.h>
- #include <string.h>
- #include <syslog.h>
- #include <unistd.h>
- #include <ck-connector.h>
- #include <dbus/dbus.h>
- static void
- setbusenv(const char *var, const char *val)
- {
- DBusConnection *conn;
- DBusMessage *req, *rep;
- DBusMessageIter iter, sub, subsub;
- DBusError error;
- dbus_error_init (&error);
- conn = dbus_bus_get(DBUS_BUS_SESSION, &error);
- if (conn == NULL) {
- return;
- }
- req = dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_CALL);
- if (req == NULL) {
- return;
- }
- memset(&iter, 0, sizeof(iter));
- memset(&sub, 0, sizeof(sub));
- memset(&subsub, 0, sizeof(subsub));
- dbus_message_iter_init_append(req, &iter);
- if (!dbus_message_set_destination(req, DBUS_SERVICE_DBUS) ||
- !dbus_message_set_path(req, DBUS_PATH_DBUS) ||
- !dbus_message_set_interface(req, DBUS_INTERFACE_DBUS) ||
- !dbus_message_set_member(req, "UpdateActivationEnvironment") ||
- !dbus_message_iter_open_container(&iter,
- DBUS_TYPE_ARRAY,
- DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
- DBUS_TYPE_STRING_AS_STRING
- DBUS_TYPE_STRING_AS_STRING
- DBUS_DICT_ENTRY_END_CHAR_AS_STRING,
- &sub) ||
- !dbus_message_iter_open_container(&sub,
- DBUS_TYPE_DICT_ENTRY,
- NULL,
- &subsub) ||
- !dbus_message_iter_append_basic(&subsub, DBUS_TYPE_STRING, &var) ||
- !dbus_message_iter_append_basic(&subsub, DBUS_TYPE_STRING, &val) ||
- !dbus_message_iter_close_container(&sub, &subsub) ||
- !dbus_message_iter_close_container(&iter, &sub)) {
- dbus_message_unref(req);
- return;
- }
- rep = dbus_connection_send_with_reply_and_block(conn, req,
- 30000, &error);
- dbus_message_unref(req);
- if (rep) {
- dbus_message_unref(rep);
- }
- }
- int
- main(int argc, char **argv)
- {
- CkConnector *ckc = NULL;
- DBusError error;
- const char *shell, *cookie;
- pid_t pid;
- int status;
- ckc = ck_connector_new();
- if (ckc != NULL) {
- dbus_error_init (&error);
- if (ck_connector_open_session(ckc, &error)) {
- pid = fork();
- switch (pid) {
- case -1:
- syslog(LOG_ERR, "error forking child");
- break;
- case 0:
- cookie = ck_connector_get_cookie(ckc);
- setenv("XDG_SESSION_COOKIE", cookie, 1);
- setbusenv("XDG_SESSION_COOKIE", cookie);
- break;
- default:
- waitpid(pid, &status, 0);
- exit(status);
- break;
- }
- } else {
- syslog(LOG_ERR, "error connecting to console-kit");
- }
- } else {
- syslog(LOG_ERR, "error setting up to connect to console-kit");
- }
- if (argc > 1) {
- execvp(argv[1], argv + 1);
- } else {
- shell = getenv("SHELL");
- if (shell == NULL) {
- shell = _PATH_BSHELL;
- }
- execlp(shell, shell, NULL);
- }
- _exit(1);
- }
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