moved builder hooks to a separate file

2009-08-26 11:23:49 +02:00
parent 11aa7e7869
commit a5dc4a9585
5 changed files with 181 additions and 100 deletions
@@ -0,0 +1,136 @@
+/* Pluto certificate/CRL/AC builder hooks.
+ * Copyright (C) 2002-2009 Andreas Steffen
+ * Copyright (C) 2009 Martin Willi
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ */
+
+#include "builder.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <freeswan.h>
+
+#include "library.h"
+
+#include "constants.h"
+#include "defs.h"
+#include "log.h"
+#include "id.h"
+#include "certs.h"
+
+/**
+ * currently building cert_t
+ */
+static cert_t *cert;
+
+/**
+ * builder add function
+ */
+static void add(builder_t *this, builder_part_t part, ...)
+{
+	chunk_t blob;
+	va_list args;
+
+	va_start(args, part);
+	blob = va_arg(args, chunk_t);
+	va_end(args);
+
+	switch (part)
+	{
+		case BUILD_BLOB_PGP:
+		{
+			pgpcert_t *pgpcert = malloc_thing(pgpcert_t);
+			*pgpcert = pgpcert_empty;
+			if (parse_pgp(blob, pgpcert))
+			{
+				cert->type = CERT_PGP;
+				cert->u.pgp = pgpcert;
+			}
+			else
+			{
+				plog("  error in OpenPGP certificate");
+				free_pgpcert(pgpcert);
+			}
+			break;
+		}
+		case BUILD_BLOB_ASN1_DER:
+		{
+			x509cert_t *x509cert = malloc_thing(x509cert_t);
+			*x509cert = empty_x509cert;
+			if (parse_x509cert(blob, 0, x509cert))
+			{
+				cert->type = CERT_X509_SIGNATURE;
+				cert->u.x509 = x509cert;
+			}
+			else
+			{
+				plog("  error in X.509 certificate");
+				free_x509cert(x509cert);
+			}
+			break;
+		}
+		default:
+			builder_cancel(this);
+			break;
+	}
+}
+
+/**
+ * builder build function
+ */
+static void *build(builder_t *this)
+{
+	free(this);
+	if (cert->type == CERT_NONE)
+	{
+		return NULL;
+	}
+	return cert;
+}
+
+/**
+ * certificate builder in cert_t format.
+ */
+static builder_t *cert_builder(credential_type_t type, int subtype)
+{
+	builder_t *this;
+	
+	if (subtype != CRED_TYPE_CERTIFICATE)
+	{
+		return NULL;
+	}
+	this = malloc_thing(builder_t);
+	this->add = add;
+	this->build = build;
+
+	cert->type = CERT_NONE;
+	cert->u.x509 = NULL;
+	cert->u.pgp = NULL;
+
+	return this;
+}
+
+void init_builder(void)
+{
+	lib->creds->add_builder(lib->creds, CRED_PLUTO_CERT, CRED_TYPE_CERTIFICATE,
+							(builder_constructor_t)cert_builder);
+}
+
+void free_builder(void)
+{
+	lib->creds->remove_builder(lib->creds, (builder_constructor_t)cert_builder);
+}
+