/* * This file is part of GNUnet * Copyright (C) 2009-2013 GNUnet e.V. * * GNUnet 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, or (at your * option) any later version. * * GNUnet 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 GNUnet; see the file COPYING. If not, write to the * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301, USA. */ /** * @file namestore/plugin_gtk_namestore_soa.c * @brief namestore plugin for editing SOA records * @author Christian Grothoff */ #include "gnunet_gtk.h" #include "gnunet_gtk_namestore_plugin.h" /** * The user has edited the SOA record value. Enable/disable 'save' * button depending on the validity of the value. * * @param entry editing widget * @param user_data the plugin environment */ static void GNS_edit_dialog_soa_contact_email_entry_changed_cb (GtkEditable *entry, gpointer user_data) { struct GNUNET_GTK_NAMESTORE_PluginEnvironment *edc = user_data; edc->check_validity (edc); } /** * The user has edited the SOA record value. Enable/disable 'save' * button depending on the validity of the value. * * @param entry editing widget * @param user_data the plugin environment */ static void GNS_edit_dialog_soa_source_host_entry_changed_cb (GtkEditable *entry, gpointer user_data) { struct GNUNET_GTK_NAMESTORE_PluginEnvironment *edc = user_data; edc->check_validity (edc); } /** * Function that will be called to initialize the builder's * widgets from the existing record (if there is one). * The `n_value` is the existing value of the record as a string. * * @param cls the `struct GNUNET_GTK_NAMESTORE_PluginEnvironment *` * @param n_value the record as a string * @param builder the edit dialog's builder */ static void soa_load (void *cls, gchar *n_value, GtkBuilder *builder) { char soa_rname[253 + 1]; char soa_mname[253 + 1]; unsigned int soa_serial; unsigned int soa_refresh; unsigned int soa_retry; unsigned int soa_expire; unsigned int soa_min; if (7 != sscanf (n_value, "rname=%253s mname=%253s %u,%u,%u,%u,%u", soa_rname, soa_mname, &soa_serial, &soa_refresh, &soa_retry, &soa_expire, &soa_min)) { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _ ("Unable to parse SOA record `%s'\n"), n_value); return; } /* set SOA record */ gtk_entry_set_text ( GTK_ENTRY ( gtk_builder_get_object (builder, "edit_dialog_soa_source_host_entry")), soa_rname); gtk_entry_set_text ( GTK_ENTRY ( gtk_builder_get_object (builder, "edit_dialog_soa_contact_email_entry")), soa_mname); gtk_spin_button_set_value (GTK_SPIN_BUTTON (gtk_builder_get_object ( builder, "edit_dialog_soa_serial_number_spinbutton")), soa_serial); gtk_spin_button_set_value (GTK_SPIN_BUTTON (gtk_builder_get_object ( builder, "edit_dialog_soa_refresh_time_spinbutton")), soa_refresh); gtk_spin_button_set_value (GTK_SPIN_BUTTON (gtk_builder_get_object ( builder, "edit_dialog_soa_retry_time_spinbutton")), soa_retry); gtk_spin_button_set_value (GTK_SPIN_BUTTON (gtk_builder_get_object ( builder, "edit_dialog_soa_expire_time_spinbutton")), soa_expire); gtk_spin_button_set_value (GTK_SPIN_BUTTON (gtk_builder_get_object ( builder, "edit_dialog_soa_minimum_ttl_spinbutton")), soa_min); } /** * Function that will be called to retrieve the final value of the * record (in string format) once the dialog is being closed. * * @param cls the `struct GNUNET_GTK_NAMESTORE_PluginEnvironment *` * @param builder the edit dialog's builder * @return record value as a string, as specified in the dialog */ static gchar * soa_store (void *cls, GtkBuilder *builder) { GtkEntry *entry; const gchar *source_host; const gchar *contact_email; unsigned int soa_serial; unsigned int soa_refresh; unsigned int soa_retry; unsigned int soa_expire; unsigned int soa_min; char *result; entry = GTK_ENTRY ( gtk_builder_get_object (builder, "edit_dialog_soa_source_host_entry")); source_host = gtk_entry_get_text (entry); entry = GTK_ENTRY ( gtk_builder_get_object (builder, "edit_dialog_soa_contact_email_entry")); contact_email = gtk_entry_get_text (entry); soa_serial = gtk_spin_button_get_value (GTK_SPIN_BUTTON ( gtk_builder_get_object (builder, "edit_dialog_soa_serial_number_spinbutton"))); soa_refresh = gtk_spin_button_get_value (GTK_SPIN_BUTTON ( gtk_builder_get_object (builder, "edit_dialog_soa_refresh_time_spinbutton"))); soa_retry = gtk_spin_button_get_value (GTK_SPIN_BUTTON ( gtk_builder_get_object (builder, "edit_dialog_soa_retry_time_spinbutton"))); soa_expire = gtk_spin_button_get_value (GTK_SPIN_BUTTON ( gtk_builder_get_object (builder, "edit_dialog_soa_expire_time_spinbutton"))); soa_min = gtk_spin_button_get_value (GTK_SPIN_BUTTON ( gtk_builder_get_object (builder, "edit_dialog_soa_minimum_ttl_spinbutton"))); GNUNET_asprintf (&result, "rname=%s mname=%s %u,%u,%u,%u,%u", source_host, contact_email, soa_serial, soa_refresh, soa_retry, soa_expire, soa_min); return result; } /** * Function to call to validate the state of the dialog. Should * return #GNUNET_OK if the information in the dialog is valid, and * #GNUNET_SYSERR if some fields contain invalid values. The * function should highlight fields with invalid inputs for the * user. * * @param cls the `struct GNUNET_GTK_NAMESTORE_PluginEnvironment *` * @param builder the edit dialog's builder * @return #GNUNET_OK if there is a valid record value in the dialog */ static int soa_validate (void *cls, GtkBuilder *builder) { GtkEditable *entry; const gchar *preedit; entry = GTK_EDITABLE ( gtk_builder_get_object (builder, "edit_dialog_soa_source_host_entry")), preedit = gtk_editable_get_chars (entry, 0, -1); if ((NULL == preedit) || (GNUNET_OK != GNUNET_DNSPARSER_check_name (preedit))) return GNUNET_SYSERR; /* check for '@' in the e-mail --- required format uses "." instead! */ entry = GTK_EDITABLE ( gtk_builder_get_object (builder, "edit_dialog_soa_contact_email_entry")), preedit = gtk_editable_get_chars (entry, 0, -1); /* E-mail is specified in the RFC also as a 'domain-name', hence we check above that it follows those conventions as well; the '@' is a common mistake, and while it should be illegal despite IDN, it feels better to check explicitly. */ if ((NULL == preedit) || (NULL != strstr (preedit, "@")) || (GNUNET_OK != GNUNET_DNSPARSER_check_name (preedit))) return GNUNET_SYSERR; return GNUNET_OK; } /** * Entry point for the plugin. * * @param cls the `struct GNUNET_GTK_NAMESTORE_PluginEnvironment` * @return NULL on error, otherwise the plugin context */ void * libgnunet_plugin_gtk_namestore_soa_init (void *cls) { struct GNUNET_GTK_NAMESTORE_PluginEnvironment *env = cls; struct GNUNET_GTK_NAMESTORE_PluginFunctions *plugin; static struct GNUNET_GTK_NAMESTORE_Symbol symbols[] = {{"GNS_edit_dialog_soa_contact_email_entry_changed_cb", G_CALLBACK (GNS_edit_dialog_soa_contact_email_entry_changed_cb)}, {"GNS_edit_dialog_soa_source_host_entry_changed_cb", G_CALLBACK (GNS_edit_dialog_soa_source_host_entry_changed_cb)}, {NULL, NULL}}; plugin = GNUNET_new (struct GNUNET_GTK_NAMESTORE_PluginFunctions); plugin->cls = env; plugin->dialog_glade_filename = "gnunet_namestore_edit_soa.glade"; plugin->dialog_widget_name = "edit_soa_dialog"; plugin->symbols = symbols; plugin->load = &soa_load; plugin->store = &soa_store; plugin->validate = &soa_validate; return plugin; } /** * Exit point from the plugin. * * @param cls the plugin context (as returned by "init") * @return always NULL */ void * libgnunet_plugin_gtk_namestore_soa_done (void *cls) { struct GNUNET_GTK_NAMESTORE_PluginFunctions *plugin = cls; GNUNET_free (plugin); return NULL; } /* end of plugin_gtk_namestore_soa.c */