/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Authors: Chris Toshok <toshok@ximian.com>
*
* Copyright (C) 2003 Ximian, Inc. (www.ximian.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 2 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 Street #330, Boston, MA 02111-1307, USA.
*
*/
#include "certificate-viewer.h"
#include "e-asn1-object.h"
#include <gtk/gtk.h>
#include <libgnome/gnome-i18n.h>
#include <glade/glade.h>
#define GLADE_FILE_NAME "smime-ui.glade"
typedef struct {
GladeXML *gui;
GtkWidget *dialog;
GtkTreeStore *hierarchy_store, *fields_store;
GtkWidget *hierarchy_tree, *fields_tree;
GtkWidget *field_text;
GtkTextTag *text_tag;
GList *cert_chain;
} CertificateViewerData;
static void
free_data (gpointer data, GObject *where_the_object_was)
{
CertificateViewerData *cvm = data;
g_list_foreach (cvm->cert_chain, (GFunc)g_object_unref, NULL);
g_list_free (cvm->cert_chain);
g_object_unref (cvm->gui);
g_free (cvm);
}
#define NOT_PART_OF_CERT_MARKUP "<i><Not part of certificate></i>"
static void
fill_in_general (CertificateViewerData *cvm_data, ECert *cert)
{
CERTCertificate *mcert = e_cert_get_internal_cert (cert);
GtkWidget *label;
const char *text;
char *markup;
/* issued to */
if (e_cert_get_cn (cert)) {
label = glade_xml_get_widget (cvm_data->gui, "issued-to-cn");
gtk_label_set_text (GTK_LABEL (label), e_cert_get_cn (cert));
}
else {
gtk_label_set_markup (GTK_LABEL (label), NOT_PART_OF_CERT_MARKUP);
}
if (e_cert_get_org (cert)) {
label = glade_xml_get_widget (cvm_data->gui, "issued-to-o");
gtk_label_set_text (GTK_LABEL (label), e_cert_get_org (cert));
}
else {
gtk_label_set_markup (GTK_LABEL (label), NOT_PART_OF_CERT_MARKUP);
}
if (e_cert_get_org_unit (cert)) {
label = glade_xml_get_widget (cvm_data->gui, "issued-to-ou");
gtk_label_set_text (GTK_LABEL (label), e_cert_get_org_unit (cert));
}
else {
gtk_label_set_markup (GTK_LABEL (label), NOT_PART_OF_CERT_MARKUP);
}
text = e_cert_get_serial_number (cert);
label = glade_xml_get_widget (cvm_data->gui, "issued-to-serial");
gtk_label_set_text (GTK_LABEL (label), text);
/* issued by */
if (e_cert_get_issuer_cn (cert)) {
label = glade_xml_get_widget (cvm_data->gui, "issued-by-cn");
gtk_label_set_text (GTK_LABEL (label), e_cert_get_issuer_cn (cert));
}
else {
gtk_label_set_markup (GTK_LABEL (label), NOT_PART_OF_CERT_MARKUP);
}
if (e_cert_get_issuer_org (cert)) {
label = glade_xml_get_widget (cvm_data->gui, "issued-by-o");
gtk_label_set_text (GTK_LABEL (label), e_cert_get_issuer_org (cert));
}
else {
gtk_label_set_markup (GTK_LABEL (label), NOT_PART_OF_CERT_MARKUP);
}
if (e_cert_get_issuer_org_unit (cert)) {
label = glade_xml_get_widget (cvm_data->gui, "issued-by-ou");
gtk_label_set_text (GTK_LABEL (label), e_cert_get_issuer_org_unit (cert));
}
else {
gtk_label_set_markup (GTK_LABEL (label), NOT_PART_OF_CERT_MARKUP);
}
/* validity */
if (e_cert_get_issued_on (cert)) {
label = glade_xml_get_widget (cvm_data->gui, "validity-issued-on");
gtk_label_set_text (GTK_LABEL (label), e_cert_get_issued_on (cert));
}
else {
gtk_label_set_markup (GTK_LABEL (label), NOT_PART_OF_CERT_MARKUP);
}
if (e_cert_get_expires_on (cert)) {
label = glade_xml_get_widget (cvm_data->gui, "validity-expires-on");
gtk_label_set_text (GTK_LABEL (label), e_cert_get_expires_on (cert));
}
else {
gtk_label_set_markup (GTK_LABEL (label), NOT_PART_OF_CERT_MARKUP);
}
/* fingerprints */
markup = g_strdup_printf ("<tt>%s</tt>", e_cert_get_sha1_fingerprint (cert));
label = glade_xml_get_widget (cvm_data->gui, "fingerprints-sha1");
gtk_label_set_markup (GTK_LABEL (label), markup);
g_free (markup);
markup = g_strdup_printf ("<tt>%s</tt>", e_cert_get_md5_fingerprint (cert));
label = glade_xml_get_widget (cvm_data->gui, "fingerprints-md5");
gtk_label_set_markup (GTK_LABEL (label), markup);
g_free (markup);
}
static void
populate_fields_tree (CertificateViewerData *cvm_data, EASN1Object *asn1, GtkTreeIter *root)
{
GtkTreeIter new_iter;
/* first insert a node for the current asn1 */
gtk_tree_store_insert (cvm_data->fields_store, &new_iter, root, -1);
gtk_tree_store_set (cvm_data->fields_store, &new_iter,
0, e_asn1_object_get_display_name (asn1),
1, asn1,
-1);
if (e_asn1_object_is_valid_container (asn1)) {
GList *children = e_asn1_object_get_children (asn1);
if (children) {
GList *l;
for (l = children; l; l = l->next) {
EASN1Object *subasn1 = l->data;
populate_fields_tree (cvm_data, subasn1, &new_iter);
}
}
g_list_foreach (children, (GFunc)g_object_unref, NULL);
g_list_free (children);
}
}
static void
hierarchy_selection_changed (GtkTreeSelection *selection, CertificateViewerData *cvm_data)
{
GtkTreeIter iter;
GtkTreeModel *model;
if (gtk_tree_selection_get_selected (selection,
&model,
&iter)) {
EASN1Object *asn1_object;
ECert *cert;
gtk_tree_model_get (model,
&iter,
1, &cert,
-1);
if (!cert)
return;
/* display the cert's ASN1 structure */
asn1_object = e_cert_get_asn1_struct (cert);
/* wipe out the old model */
cvm_data->fields_store = gtk_tree_store_new (2, G_TYPE_STRING, G_TYPE_POINTER);
gtk_tree_view_set_model (GTK_TREE_VIEW (cvm_data->fields_tree),
GTK_TREE_MODEL (cvm_data->fields_store));
/* populate the fields from the newly selected cert */
populate_fields_tree (cvm_data, asn1_object, NULL);
gtk_tree_view_expand_all (GTK_TREE_VIEW (cvm_data->fields_tree));
g_object_unref (asn1_object);
/* and blow away the field value */
gtk_text_buffer_set_text (gtk_text_view_get_buffer (GTK_TEXT_VIEW (cvm_data->field_text)),
"", 0);
}
}
static void
fields_selection_changed (GtkTreeSelection *selection, CertificateViewerData *cvm_data)
{
GtkTreeIter iter;
GtkTreeModel *model;
if (gtk_tree_selection_get_selected (selection,
&model,
&iter)) {
EASN1Object *asn1_object;
const char *value;
gtk_tree_model_get (model,
&iter,
1, &asn1_object,
-1);
value = e_asn1_object_get_display_value (asn1_object);
gtk_text_buffer_set_text (gtk_text_view_get_buffer (GTK_TEXT_VIEW (cvm_data->field_text)),
"", 0);
if (value) {
GtkTextIter text_iter;
gtk_text_buffer_get_start_iter (gtk_text_view_get_buffer (GTK_TEXT_VIEW (cvm_data->field_text)),
&text_iter);
gtk_text_buffer_insert_with_tags (gtk_text_view_get_buffer (GTK_TEXT_VIEW (cvm_data->field_text)),
&text_iter,
value, strlen (value),
cvm_data->text_tag, NULL);
}
}
}
static void
fill_in_details (CertificateViewerData *cvm_data, ECert *cert)
{
GList *l;
GtkTreeIter *root = NULL;
GtkTreeSelection *selection;
/* hook up all the hierarchy tree foo */
cvm_data->hierarchy_store = gtk_tree_store_new (2, G_TYPE_STRING, G_TYPE_OBJECT);
cvm_data->hierarchy_tree = glade_xml_get_widget (cvm_data->gui, "cert-hierarchy-treeview");
gtk_tree_view_set_model (GTK_TREE_VIEW (cvm_data->hierarchy_tree),
GTK_TREE_MODEL (cvm_data->hierarchy_store));
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (cvm_data->hierarchy_tree),
-1, "Cert", gtk_cell_renderer_text_new(),
"text", 0, NULL);
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (cvm_data->hierarchy_tree));
g_signal_connect (selection, "changed", G_CALLBACK (hierarchy_selection_changed), cvm_data);
/* hook up all the fields tree foo */
cvm_data->fields_tree = glade_xml_get_widget (cvm_data->gui, "cert-fields-treeview");
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (cvm_data->fields_tree),
-1, "Field", gtk_cell_renderer_text_new(),
"text", 0, NULL);
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (cvm_data->fields_tree));
g_signal_connect (selection, "changed", G_CALLBACK (fields_selection_changed), cvm_data);
/* hook up all the field display foo */
cvm_data->field_text = glade_xml_get_widget (cvm_data->gui, "cert-field-value-textview");
/* set the font of the field value viewer to be some fixed
width font to the hex display doesn't look like ass. */
cvm_data->text_tag = gtk_text_buffer_create_tag (gtk_text_view_get_buffer (GTK_TEXT_VIEW (cvm_data->field_text)),
"mono",
"font", "Mono",
NULL);
/* initially populate the hierarchy from the cert's chain */
cvm_data->cert_chain = e_cert_get_chain (cert);
cvm_data->cert_chain = g_list_reverse (cvm_data->cert_chain);
for (l = cvm_data->cert_chain; l; l = l->next) {
ECert *c = l->data;
const char *str;
GtkTreeIter new_iter;
str = e_cert_get_cn (c);
if (!str)
str = e_cert_get_subject_name (c);
gtk_tree_store_insert (cvm_data->hierarchy_store, &new_iter, root, -1);
gtk_tree_store_set (cvm_data->hierarchy_store, &new_iter,
0, str,
1, c,
-1);
root = &new_iter;
}
gtk_tree_view_expand_all (GTK_TREE_VIEW (cvm_data->hierarchy_tree));
}
GtkWidget*
certificate_viewer_show (ECert *cert)
{
CertificateViewerData *cvm_data;
char *title;
cvm_data = g_new0 (CertificateViewerData, 1);
cvm_data->gui = glade_xml_new (EVOLUTION_GLADEDIR "/" GLADE_FILE_NAME, NULL, NULL);
cvm_data->dialog = glade_xml_get_widget (cvm_data->gui, "certificate-viewer-dialog");
title = g_strdup_printf (_("Certificate Viewer: %s"), e_cert_get_window_title (cert));
gtk_window_set_title (GTK_WINDOW (cvm_data->dialog),
title);
g_free (title);
fill_in_general (cvm_data, cert);
fill_in_details (cvm_data, cert);
g_object_weak_ref (G_OBJECT (cvm_data->dialog), free_data, cvm_data);
g_signal_connect (cvm_data->dialog, "response",
G_CALLBACK (gtk_widget_destroy), NULL);
gtk_widget_show (cvm_data->dialog);
return cvm_data->dialog;
}
