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Diffstat (limited to 'utils/dm-tool.c')
| -rw-r--r-- | utils/dm-tool.c | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/utils/dm-tool.c b/utils/dm-tool.c new file mode 100644 index 00000000..081e5023 --- /dev/null +++ b/utils/dm-tool.c @@ -0,0 +1,257 @@ +/* + * Copyright (C) 2010-2011 Robert Ancell. + * Author: Robert Ancell <robert.ancell@canonical.com> + * + * This program is free software: you can redistribute it and/or modify it under + * the terms of the GNU General Public License as published by the Free Software + * Foundation, either version 3 of the License, or (at your option) any later + * version. See http://www.gnu.org/copyleft/gpl.html the full text of the + * license. + */ + +#include <config.h> + +#include <stdlib.h> +#include <glib.h> +#include <glib/gi18n.h> +#include <gio/gio.h> + +static void +usage () +{ + g_printerr (/* Text printed out when an unknown command-line argument provided */ + _("Run 'dm-tool --help' to see a full list of available command line options.")); + g_printerr ("\n"); +} + +int +main (int argc, char **argv) +{ + gchar *command; + gint n_options; + gchar **options; + GDBusProxy *dm_proxy, *seat_proxy; + GError *error = NULL; + gint arg_index; + + g_type_init (); + + for (arg_index = 1; arg_index < argc; arg_index++) + { + gchar *arg = argv[arg_index]; + + if (!g_str_has_prefix (arg, "-")) + break; + + if (strcmp (arg, "-h") == 0 || strcmp (arg, "--help") == 0) + { + g_printerr ("Usage:\n" + " dm-tool [OPTION...] COMMAND [ARGS...] - Display Manager tool\n" + "\n" + "Options:\n" + " -h, --help Show help options\n" + " -v, --version Show release version\n" + "\n" + "Commands:\n" + " switch-to-greeter Switch to the greeter\n" + " switch-to-user USERNAME [SESSION] Switch to a user session\n" + " switch-to-guest [SESSION] Switch to a guest session\n" + " add-seat TYPE [NAME=VALUE...] Add a dynamic seat\n"); + return EXIT_SUCCESS; + } + else if (strcmp (arg, "-v") == 0 || strcmp (arg, "--version") == 0) + { + /* NOTE: Is not translated so can be easily parsed */ + g_printerr ("lightdm %s\n", VERSION); + return EXIT_SUCCESS; + } + else + { + g_printerr ("Unknown option %s\n", arg); + usage (); + return EXIT_FAILURE; + } + } + + if (arg_index >= argc) + { + g_printerr ("Missing command\n"); + usage (); + return EXIT_FAILURE; + } + + dm_proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM, + G_DBUS_PROXY_FLAGS_NONE, + NULL, + "org.freedesktop.DisplayManager", + "/org/freedesktop/DisplayManager", + "org.freedesktop.DisplayManager", + NULL, + &error); + if (!dm_proxy) + { + g_printerr ("Unable to contact display manager: %s\n", error->message); + return EXIT_FAILURE; + } + g_clear_error (&error); + + seat_proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM, + G_DBUS_PROXY_FLAGS_NONE, + NULL, + "org.freedesktop.DisplayManager", + g_getenv ("XDG_SEAT_PATH"), + "org.freedesktop.DisplayManager.Seat", + NULL, + &error); + if (!seat_proxy) + { + g_printerr ("Unable to contact display manager: %s\n", error->message); + return EXIT_FAILURE; + } + g_clear_error (&error); + + command = argv[arg_index]; + arg_index++; + n_options = argc - arg_index; + options = argv + arg_index; + if (strcmp (command, "switch-to-greeter") == 0) + { + if (n_options != 0) + { + g_printerr ("Usage switch-to-greeter\n"); + usage (); + return EXIT_FAILURE; + } + + if (!g_dbus_proxy_call_sync (seat_proxy, + "SwitchToGreeter", + g_variant_new ("()"), + G_DBUS_CALL_FLAGS_NONE, + -1, + NULL, + &error)) + { + g_printerr ("Unable to switch to greeter: %s\n", error->message); + return EXIT_FAILURE; + } + return EXIT_SUCCESS; + } + else if (strcmp (command, "switch-to-user") == 0) + { + gchar *username, *session = ""; + + if (n_options > 1) + { + g_printerr ("Usage switch-to-user USERNAME [SESSION]\n"); + usage (); + return EXIT_FAILURE; + } + + username = options[0]; + if (n_options == 2) + session = options[1]; + + if (!g_dbus_proxy_call_sync (seat_proxy, + "SwitchToUser", + g_variant_new ("(ss)", username, session), + G_DBUS_CALL_FLAGS_NONE, + -1, + NULL, + &error)) + { + g_printerr ("Unable to switch to user %s: %s\n", username, error->message); + return EXIT_FAILURE; + } + return EXIT_SUCCESS; + } + else if (strcmp (command, "switch-to-guest") == 0) + { + gchar *session = ""; + + if (n_options > 1) + { + g_printerr ("Usage switch-to-guest [SESSION]\n"); + usage (); + return EXIT_FAILURE; + } + + if (n_options == 1) + session = options[0]; + + if (!g_dbus_proxy_call_sync (seat_proxy, + "SwitchToGuest", + g_variant_new ("(s)", session), + G_DBUS_CALL_FLAGS_NONE, + -1, + NULL, + &error)) + { + g_printerr ("Unable to switch to guest: %s\n", error->message); + return EXIT_FAILURE; + } + return EXIT_SUCCESS; + } + else if (strcmp (command, "add-seat") == 0) + { + GVariant *result; + gchar *type, *path; + GVariantBuilder *properties; + gint i; + + if (n_options < 1) + { + g_printerr ("Usage add-seat TYPE [NAME=VALUE...]\n"); + usage (); + return EXIT_FAILURE; + } + + type = options[0]; + properties = g_variant_builder_new (G_VARIANT_TYPE ("a(ss)")); + + for (i = 0; i < n_options; i++) + { + gchar *property, *name, *value; + + property = g_strdup (options[i]); + name = property; + value = strchr (property, '='); + if (value) + { + *value = '\0'; + value++; + } + else + value = ""; + + g_variant_builder_add_value (properties, g_variant_new ("(ss)", "name", "value")); + g_free (property); + } + + result = g_dbus_proxy_call_sync (dm_proxy, + "AddSeat", + g_variant_new ("(sa(ss))", type, properties), + G_DBUS_CALL_FLAGS_NONE, + -1, + NULL, + &error); + { + g_printerr ("Unable to add seat: %s\n", error->message); + return EXIT_FAILURE; + } + + if (!g_variant_is_of_type (result, G_VARIANT_TYPE ("(o)"))) + { + g_printerr ("Unexpected response to AddSeat: %s\n", g_variant_get_type_string (result)); + return EXIT_FAILURE; + } + + g_variant_get (result, "(&o)", path); + g_print ("%s\n", path); + + return EXIT_SUCCESS; + } + + g_printerr ("Unknown command %s\n", command); + usage (); + return EXIT_FAILURE; +} |