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/*
* 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 <string.h>
#include <ctype.h>
#include "guest-account.h"
#include "configuration.h"
static gchar *
get_setup_script (void)
{
gchar *script;
static gchar *setup_script = NULL;
if (setup_script)
return setup_script;
script = config_get_string (config_get_instance (), "LightDM", "guest-account-script");
if (!script)
return NULL;
setup_script = g_find_program_in_path (script);
g_free (script);
return setup_script;
}
gboolean
guest_account_is_installed (void)
{
return get_setup_script () != NULL;
}
static gboolean
run_script (const gchar *script, gchar **stdout_text, gint *exit_status, GError **error)
{
gint argc;
gchar **argv;
gboolean result;
if (!g_shell_parse_argv (script, &argc, &argv, error))
return FALSE;
result = g_spawn_sync (NULL, argv, NULL,
G_SPAWN_SEARCH_PATH,
NULL, NULL,
stdout_text, NULL, exit_status, error);
g_strfreev (argv);
return result;
}
gchar *
guest_account_setup (void)
{
gchar *command, *stdout_text, *username, **lines;
gint exit_status;
gboolean result;
GError *error = NULL;
command = g_strdup_printf ("%s add", get_setup_script ());
g_debug ("Opening guest account with command '%s'", command);
result = run_script (command, &stdout_text, &exit_status, &error);
g_free (command);
if (error)
g_warning ("Error running guest account setup script '%s': %s", get_setup_script (), error->message);
g_clear_error (&error);
if (!result)
return NULL;
if (exit_status != 0)
{
g_debug ("Guest account setup script returns %d: %s", exit_status, stdout_text);
g_free (stdout_text);
return NULL;
}
/* Use the last line and trim whitespace */
lines = g_strsplit (g_strstrip (stdout_text), "\n", -1);
if (lines)
username = g_strdup (g_strstrip (lines[g_strv_length (lines) - 1]));
else
username = g_strdup ("");
g_free (stdout_text);
if (strcmp (username, "") == 0)
{
g_free (username);
g_debug ("Guest account setup script didn't return a username");
return NULL;
}
g_debug ("Guest account %s setup", username);
return username;
}
void
guest_account_cleanup (const gchar *username)
{
gchar *command;
gboolean result;
gint exit_status;
GError *error = NULL;
command = g_strdup_printf ("%s remove %s", get_setup_script (), username);
g_debug ("Closing guest account %s with command '%s'", username, command);
result = run_script (command, NULL, &exit_status, &error);
g_free (command);
if (error)
g_warning ("Error running guest account cleanup script '%s': %s", get_setup_script (), error->message);
g_clear_error (&error);
if (result && exit_status != 0)
g_debug ("Guest account cleanup script returns %d", exit_status);
}
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