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-rw-r--r--camel/camel-cms-context.c324
1 files changed, 324 insertions, 0 deletions
diff --git a/camel/camel-cms-context.c b/camel/camel-cms-context.c
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Authors: Jeffrey Stedfast <fejj@ximian.com>
+ *
+ * Copyright 2001 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.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "camel-cms-context.h"
+
+#include <glib.h>
+
+#ifdef ENABLE_THREADS
+#include <pthread.h>
+#define CMS_LOCK(ctx) g_mutex_lock (((CamelCMSContext *) ctx)->priv->lock)
+#define CMS_UNLOCK(ctx) g_mutex_unlock (((CamelCMSContext *) ctx)->priv->lock);
+#else
+#define CMS_LOCK(ctx)
+#define CMS_UNLOCK(ctx)
+#endif
+
+#define d(x)
+
+#define CCC_CLASS(o) CAMEL_CMS_CONTEXT_CLASS(CAMEL_OBJECT_GET_CLASS(o))
+
+struct _CamelCMSContextPrivate {
+#ifdef ENABLE_THREADS
+ GMutex *lock;
+#endif
+};
+
+static CamelMimeMessage *cms_sign (CamelCMSContext *ctx, CamelMimeMessage *message,
+ const char *userid, gboolean signing_time,
+ gboolean detached, CamelException *ex);
+
+static CamelMimeMessage *cms_certsonly (CamelCMSContext *ctx, CamelMimeMessage *message,
+ const char *userid, GPtrArray *recipients,
+ CamelException *ex);
+
+static CamelMimeMessage *cms_encrypt (CamelCMSContext *ctx, CamelMimeMessage *message,
+ const char *userid, GPtrArray *recipients,
+ CamelException *ex);
+
+static CamelMimeMessage *cms_envelope (CamelCMSContext *ctx, CamelMimeMessage *message,
+ const char *userid, GPtrArray *recipients,
+ CamelException *ex);
+
+static CamelMimeMessage *cms_decode (CamelCMSContext *ctx, CamelMimeMessage *message,
+ CamelCMSValidityInfo **info, CamelException *ex);
+
+static CamelObjectClass *parent_class;
+
+static void
+camel_cms_context_init (CamelCMSContext *context)
+{
+ context->priv = g_new0 (struct _CamelCMSContextPrivate, 1);
+#ifdef ENABLE_THREADS
+ context->priv->lock = g_mutex_new ();
+#endif
+}
+
+static void
+camel_cms_context_finalise (CamelObject *o)
+{
+ CamelCMSContext *context = (CamelCMSContext *)o;
+
+ camel_object_unref (CAMEL_OBJECT (context->session));
+
+#ifdef ENABLE_THREADS
+ g_mutex_free (context->priv->lock);
+#endif
+
+ g_free (context->priv);
+}
+
+static void
+camel_cms_context_class_init (CamelCMSContextClass *camel_cms_context_class)
+{
+ parent_class = camel_type_get_global_classfuncs (camel_object_get_type ());
+
+ camel_cms_context_class->sign = cms_sign;
+ camel_cms_context_class->certsonly = cms_certsonly;
+ camel_cms_context_class->encrypt = cms_encrypt;
+ camel_cms_context_class->envelope = cms_envelope;
+ camel_cms_context_class->decode = cms_decode;
+}
+
+CamelType
+camel_cms_context_get_type (void)
+{
+ static CamelType type = CAMEL_INVALID_TYPE;
+
+ if (type == CAMEL_INVALID_TYPE) {
+ type = camel_type_register (camel_object_get_type (),
+ "CamelCMSContext",
+ sizeof (CamelCMSContext),
+ sizeof (CamelCMSContextClass),
+ (CamelObjectClassInitFunc) camel_cms_context_class_init,
+ NULL,
+ (CamelObjectInitFunc) camel_cms_context_init,
+ (CamelObjectFinalizeFunc) camel_cms_context_finalise);
+ }
+
+ return type;
+}
+
+
+/**
+ * camel_cms_context_new:
+ * @session: CamelSession
+ * @encryption_key: preferred encryption key nickname
+ *
+ * This creates a new CamelCMSContext object which is used to sign,
+ * encrypt, envelope and decode CMS messages.
+ *
+ * Return value: the new CamelCMSContext
+ **/
+CamelCMSContext *
+camel_cms_context_new (CamelSession *session)
+{
+ CamelCMSContext *context;
+
+ g_return_val_if_fail (session != NULL, NULL);
+ g_return_val_if_fail (CAMEL_IS_SESSION (session), NULL);
+
+ context = CAMEL_CMS_CONTEXT (camel_object_new (CAMEL_CMS_CONTEXT_TYPE));
+
+ camel_object_ref (CAMEL_OBJECT (session));
+ context->session = session;
+
+ return context;
+}
+
+
+/**
+ * camel_cms_context_construct:
+ * @context: CMS Context
+ * @session: CamelSession
+ *
+ * Construct the CMS Context.
+ **/
+void
+camel_cms_context_construct (CamelCMSContext *context, CamelSession *session)
+{
+ g_return_if_fail (CAMEL_IS_CMS_CONTEXT (context));
+ g_return_if_fail (CAMEL_IS_SESSION (session));
+
+ camel_object_ref (CAMEL_OBJECT (session));
+ context->session = session;
+}
+
+
+static CamelMimeMessage *
+cms_sign (CamelCMSContext *ctx, CamelMimeMessage *message,
+ const char *userid, gboolean signing_time,
+ gboolean detached, CamelException *ex)
+{
+ g_warning ("Using default CamelCMSContext::sign() method.");
+
+ return NULL;
+}
+
+
+CamelMimeMessage *
+camel_cms_sign (CamelCMSContext *ctx, CamelMimeMessage *message,
+ const char *userid, gboolean signing_time,
+ gboolean detached, CamelException *ex)
+{
+ g_return_val_if_fail (CAMEL_IS_CMS_CONTEXT (ctx), NULL);
+ g_return_val_if_fail (CAMEL_IS_MIME_MESSAGE (message), NULL);
+ g_return_val_if_fail (userid != NULL, NULL);
+
+ return CCC_CLASS (ctx)->sign (ctx, message, userid, signing_time, detached, ex);
+}
+
+
+static CamelMimeMessage *
+cms_certsonly (CamelCMSContext *ctx, CamelMimeMessage *message,
+ const char *userid, GPtrArray *recipients,
+ CamelException *ex)
+{
+ g_warning ("Using default CamelCMSContext::certsonly() method.");
+
+ return NULL;
+}
+
+
+CamelMimeMessage *
+camel_cms_certsonly (CamelCMSContext *ctx, CamelMimeMessage *message,
+ const char *userid, GPtrArray *recipients,
+ CamelException *ex)
+{
+ g_return_val_if_fail (CAMEL_IS_CMS_CONTEXT (ctx), NULL);
+ g_return_val_if_fail (CAMEL_IS_MIME_MESSAGE (message), NULL);
+ g_return_val_if_fail (userid != NULL, NULL);
+ g_return_val_if_fail (recipients != NULL, NULL);
+
+ return CCC_CLASS (ctx)->certsonly (ctx, message, userid, recipients, ex);
+}
+
+
+static CamelMimeMessage *
+cms_envelope (CamelCMSContext *ctx, CamelMimeMessage *message,
+ const char *userid, GPtrArray *recipients,
+ CamelException *ex)
+{
+ g_warning ("Using default CamelCMSContext::envelope() method.");
+
+ return NULL;
+}
+
+
+CamelMimeMessage *
+camel_cms_envelope (CamelCMSContext *ctx, CamelMimeMessage *message,
+ const char *userid, GPtrArray *recipients,
+ CamelException *ex)
+{
+ g_return_val_if_fail (CAMEL_IS_CMS_CONTEXT (ctx), NULL);
+ g_return_val_if_fail (CAMEL_IS_MIME_MESSAGE (message), NULL);
+ g_return_val_if_fail (userid != NULL, NULL);
+ g_return_val_if_fail (recipients != NULL, NULL);
+
+ return CCC_CLASS (ctx)->envelope (ctx, message, userid, recipients, ex);
+}
+
+
+static CamelMimeMessage *
+cms_encrypt (CamelCMSContext *ctx, CamelMimeMessage *message,
+ const char *userid, GPtrArray *recipients,
+ CamelException *ex)
+{
+ g_warning ("Using default CamelCMSContext::encrypt() method.");
+
+ return NULL;
+}
+
+
+CamelMimeMessage *
+camel_cms_encrypt (CamelCMSContext *ctx, CamelMimeMessage *message,
+ const char *userid, GPtrArray *recipients,
+ CamelException *ex)
+{
+ g_return_val_if_fail (CAMEL_IS_CMS_CONTEXT (ctx), NULL);
+ g_return_val_if_fail (CAMEL_IS_MIME_MESSAGE (message), NULL);
+ g_return_val_if_fail (userid != NULL, NULL);
+ g_return_val_if_fail (recipients != NULL, NULL);
+
+ return CCC_CLASS (ctx)->encrypt (ctx, message, userid, recipients, ex);
+}
+
+
+static CamelMimeMessage *
+cms_decode (CamelCMSContext *ctx, CamelMimeMessage *message,
+ CamelCMSValidityInfo **info, CamelException *ex)
+{
+ g_warning ("Using default CamelCMSContext::decode() method.");
+
+ return NULL;
+}
+
+
+CamelMimeMessage *
+camel_cms_decode (CamelCMSContext *ctx, CamelMimeMessage *message,
+ CamelCMSValidityInfo **info, CamelException *ex)
+{
+ g_return_val_if_fail (CAMEL_IS_CMS_CONTEXT (ctx), NULL);
+ g_return_val_if_fail (CAMEL_IS_MIME_MESSAGE (message), NULL);
+
+ return CCC_CLASS (ctx)->decode (ctx, message, info, ex);
+}
+
+
+void
+camel_cms_signer_free (CamelCMSSigner *signer)
+{
+ CamelCMSSigner *next;
+
+ if (!signer)
+ return;
+
+ while (signer) {
+ next = signer->next;
+ g_free (signer->signercn);
+ g_free (signer->status);
+ g_free (signer);
+ signer = next;
+ }
+}
+
+
+void
+camel_cms_validity_info_free (CamelCMSValidityInfo *info)
+{
+ CamelCMSValidityInfo *next;
+
+ if (!info)
+ return;
+
+ while (info) {
+ next = info->next;
+ if (info->type == CAMEL_CMS_TYPE_SIGNED)
+ camel_cms_signer_free (info->signers);
+ g_free (info);
+ info = next;
+ }
+}