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/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* GIO - GLib Input, Output and Streaming Library
*
* Copyright 2010 Collabora, Ltd
* Copyright 2018 Igalia S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see
* <http://www.gnu.org/licenses/>.
*
* In addition, when the library is used with OpenSSL, a special
* exception applies. Refer to the LICENSE_EXCEPTION file for details.
*
* Author: Stef Walter <stefw@collabora.co.uk>
*/
#include "config.h"
#include "gtlsfiledatabase-gnutls.h"
#include <gio/gio.h>
#include <glib/gi18n-lib.h>
#include "gtlscertificate-gnutls.h"
enum
{
PROP_0,
PROP_ANCHORS,
};
struct _GTlsFileDatabaseGnutls
{
GTlsDatabaseGnutls parent_instance;
/* read-only after construct */
gchar *anchor_filename;
};
static void g_tls_file_database_gnutls_file_database_interface_init (GTlsFileDatabaseInterface *iface);
G_DEFINE_FINAL_TYPE_WITH_CODE (GTlsFileDatabaseGnutls, g_tls_file_database_gnutls, G_TYPE_TLS_DATABASE_GNUTLS,
G_IMPLEMENT_INTERFACE (G_TYPE_TLS_FILE_DATABASE,
g_tls_file_database_gnutls_file_database_interface_init);
);
static void
g_tls_file_database_gnutls_finalize (GObject *object)
{
GTlsFileDatabaseGnutls *self = G_TLS_FILE_DATABASE_GNUTLS (object);
g_clear_pointer (&self->anchor_filename, g_free);
G_OBJECT_CLASS (g_tls_file_database_gnutls_parent_class)->finalize (object);
}
static void
g_tls_file_database_gnutls_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GTlsFileDatabaseGnutls *self = G_TLS_FILE_DATABASE_GNUTLS (object);
switch (prop_id)
{
case PROP_ANCHORS:
g_value_set_string (value, self->anchor_filename);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
g_tls_file_database_gnutls_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GTlsFileDatabaseGnutls *self = G_TLS_FILE_DATABASE_GNUTLS (object);
const char *anchor_path;
switch (prop_id)
{
case PROP_ANCHORS:
anchor_path = g_value_get_string (value);
if (anchor_path && !g_path_is_absolute (anchor_path))
{
g_warning ("The anchor file name used with a GTlsFileDatabase "
"must be an absolute path, and not relative: %s", anchor_path);
return;
}
g_free (self->anchor_filename);
self->anchor_filename = g_strdup (anchor_path);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static gchar *
g_tls_file_database_gnutls_create_handle_for_certificate (GTlsDatabaseGnutls *self,
GBytes *der)
{
gchar *bookmark;
gchar *uri_part;
gchar *uri;
/*
* Here we create a URI that looks like
* file:///etc/ssl/certs/ca-certificates.crt#11b2641821252596420e468c275771f5e51022c121a17bd7a89a2f37b6336c8f
*/
uri_part = g_filename_to_uri (G_TLS_FILE_DATABASE_GNUTLS (self)->anchor_filename,
NULL, NULL);
if (!uri_part)
return NULL;
bookmark = g_compute_checksum_for_bytes (G_CHECKSUM_SHA256, der);
uri = g_strconcat (uri_part, "#", bookmark, NULL);
g_free (bookmark);
g_free (uri_part);
return uri;
}
static gboolean
g_tls_file_database_gnutls_populate_trust_list (GTlsDatabaseGnutls *self,
gnutls_x509_trust_list_t trust_list,
GError **error)
{
int ret = gnutls_x509_trust_list_add_trust_file (trust_list,
G_TLS_FILE_DATABASE_GNUTLS (self)->anchor_filename,
NULL, GNUTLS_X509_FMT_PEM, 0, 0);
if (ret < 0)
{
g_set_error (error, G_TLS_ERROR, G_TLS_ERROR_MISC,
_("Failed to populate trust list from %s: %s"),
G_TLS_FILE_DATABASE_GNUTLS (self)->anchor_filename, gnutls_strerror (ret));
return FALSE;
}
return TRUE;
}
static void
g_tls_file_database_gnutls_init (GTlsFileDatabaseGnutls *self)
{
}
static void
g_tls_file_database_gnutls_class_init (GTlsFileDatabaseGnutlsClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GTlsDatabaseGnutlsClass *gnutls_database_class = G_TLS_DATABASE_GNUTLS_CLASS (klass);
gobject_class->get_property = g_tls_file_database_gnutls_get_property;
gobject_class->set_property = g_tls_file_database_gnutls_set_property;
gobject_class->finalize = g_tls_file_database_gnutls_finalize;
gnutls_database_class->create_handle_for_certificate = g_tls_file_database_gnutls_create_handle_for_certificate;
gnutls_database_class->populate_trust_list = g_tls_file_database_gnutls_populate_trust_list;
g_object_class_override_property (gobject_class, PROP_ANCHORS, "anchors");
}
static void
g_tls_file_database_gnutls_file_database_interface_init (GTlsFileDatabaseInterface *iface)
{
}
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