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-rw-r--r--gui/initial-setup/pw-utils-pwquality.c117
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diff --git a/gui/initial-setup/pw-utils-pwquality.c b/gui/initial-setup/pw-utils-pwquality.c
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright 2012 Red Hat, Inc,
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Written by: Matthias Clasen <mclasen@redhat.com>
+ */
+
+#include "config.h"
+
+#include "pw-utils.h"
+
+#include <glib.h>
+#include <glib/gi18n.h>
+
+#include <pwquality.h>
+
+
+static pwquality_settings_t *
+get_pwq (void)
+{
+ static pwquality_settings_t *settings;
+
+ if (settings == NULL) {
+ gchar *err = NULL;
+ settings = pwquality_default_settings ();
+ if (pwquality_read_config (settings, NULL, (gpointer)&err) < 0) {
+ g_error ("failed to read pwquality configuration: %s\n", err);
+ }
+ }
+
+ return settings;
+}
+
+gint
+pw_min_length (void)
+{
+ gint value = 0;
+
+ if (pwquality_get_int_value (get_pwq (), PWQ_SETTING_MIN_LENGTH, &value) < 0) {
+ g_error ("Failed to read pwquality setting\n" );
+ }
+
+ return value;
+}
+
+gchar *
+pw_generate (void)
+{
+ gchar *res;
+ gint rv;
+
+ rv = pwquality_generate (get_pwq (), 0, &res);
+
+ if (rv < 0) {
+ g_error ("Password generation failed: %s\n",
+ pwquality_strerror (NULL, 0, rv, NULL));
+ return NULL;
+ }
+
+ return res;
+}
+
+gdouble
+pw_strength (const gchar *password,
+ const gchar *old_password,
+ const gchar *username,
+ const gchar **hint,
+ const gchar **long_hint)
+{
+ gint rv;
+ gdouble strength;
+ void *auxerror;
+
+ rv = pwquality_check (get_pwq (),
+ password, old_password, username,
+ &auxerror);
+
+ if (rv == PWQ_ERROR_MIN_LENGTH) {
+ *hint = C_("Password strength", "Too short");
+ *long_hint = pwquality_strerror (NULL, 0, rv, auxerror);
+ return 0.0;
+ }
+ else if (rv < 0) {
+ *hint = C_("Password strength", "Not good enough");
+ *long_hint = pwquality_strerror (NULL, 0, rv, auxerror);
+ return 0.0;
+ }
+
+ strength = CLAMP (0.01 * rv, 0.0, 1.0);
+
+ if (strength < 0.50)
+ *hint = C_("Password strength", "Weak");
+ else if (strength < 0.75)
+ *hint = C_("Password strength", "Fair");
+ else if (strength < 0.90)
+ *hint = C_("Password strength", "Good");
+ else
+ *hint = C_("Password strength", "Strong");
+
+ *long_hint = NULL;
+
+ return strength;
+}