Keyword lookup and registration are handled via the new lib->proposal object.
#include <stdio.h>
#include <library.h>
-#include <crypto/proposal/proposal_keywords.h>
int main(int argc, char *argv[])
{
limit = atoi(argv[2]);
}
- token = proposal_get_token(argv[1]);
+ token = lib->proposal->get_token(lib->proposal, argv[1]);
if (!token)
{
fprintf(stderr, "algorithm '%s' unknown!\n", argv[1]);
#include <encoding/payloads/sa_payload.h>
#include <config/proposal.h>
-#include <crypto/proposal/proposal_keywords.h>
typedef struct private_custom_proposal_t private_custom_proposal_t;
alg = strtoul(value, &end, 10);
if (end == value || errno)
{
- token = proposal_get_token(value);
+ token = lib->proposal->get_token(lib->proposal, value);
if (!token)
{
DBG1(DBG_CFG, "unknown algorithm: '%s', skipped", value);
#include <crypto/prfs/prf.h>
#include <crypto/crypters/crypter.h>
#include <crypto/signers/signer.h>
-#include <crypto/proposal/proposal_keywords.h>
ENUM(protocol_id_names, PROTO_NONE, PROTO_IPCOMP,
"PROTO_NONE",
*/
static bool add_string_algo(private_proposal_t *this, const char *alg)
{
- const proposal_token_t *token = proposal_get_token(alg);
+ const proposal_token_t *token;
+ token = lib->proposal->get_token(lib->proposal, alg);
if (token == NULL)
{
DBG1(DBG_CFG, "algorithm '%s' not recognized", alg);
+/*
+ * Copyright (C) 2012 Tobias Brunner
+ * 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.
+ */
+
/*
* Copyright (c) 2012 Nanoteq Pty Ltd
*
#include "proposal_keywords.h"
#include "proposal_keywords_static.h"
+#include <utils/linked_list.h>
+#include <threading/rwlock.h>
+
+typedef struct private_proposal_keywords_t private_proposal_keywords_t;
+
+struct private_proposal_keywords_t {
+
+ /**
+ * public interface
+ */
+ proposal_keywords_t public;
+
+ /**
+ * registered tokens, as proposal_token_t
+ */
+ linked_list_t * tokens;
+
+ /**
+ * rwlock to lock access to modules
+ */
+ rwlock_t *lock;
+};
+
+/**
+ * Find the token object for the algorithm specified.
+ */
+static const proposal_token_t* find_token(private_proposal_keywords_t *this,
+ const char *str)
+{
+ proposal_token_t *token, *found = NULL;
+ enumerator_t *enumerator;
+
+ this->lock->read_lock(this->lock);
+ enumerator = this->tokens->create_enumerator(this->tokens);
+ while (enumerator->enumerate(enumerator, &token))
+ {
+ if (streq(token->name, str))
+ {
+ found = token;
+ break;
+ }
+ }
+ enumerator->destroy(enumerator);
+ this->lock->unlock(this->lock);
+ return found;
+}
+
+METHOD(proposal_keywords_t, get_token, const proposal_token_t*,
+ private_proposal_keywords_t *this, const char *str)
+{
+ const proposal_token_t *token = proposal_get_token_static(str, strlen(str));
+ return token ?: find_token(this, str);
+}
+
+METHOD(proposal_keywords_t, register_token, void,
+ private_proposal_keywords_t *this, const char *name, transform_type_t type,
+ u_int16_t algorithm, u_int16_t keysize)
+{
+ proposal_token_t *token;
+
+ INIT(token,
+ .name = strdup(name),
+ .type = type,
+ .algorithm = algorithm,
+ .keysize = keysize,
+ );
+
+ this->lock->write_lock(this->lock);
+ this->tokens->insert_first(this->tokens, token);
+ this->lock->unlock(this->lock);
+}
+
+METHOD(proposal_keywords_t, destroy, void,
+ private_proposal_keywords_t *this)
+{
+ proposal_token_t *token;
+
+ while (this->tokens->remove_first(this->tokens, (void**)&token) == SUCCESS)
+ {
+ free(token->name);
+ free(token);
+ }
+ this->tokens->destroy(this->tokens);
+ this->lock->destroy(this->lock);
+ free(this);
+}
+
/*
- * see header file
+ * Described in header.
*/
-const proposal_token_t* proposal_get_token(const char *str)
+proposal_keywords_t *proposal_keywords_create()
{
- return proposal_get_token_static(str, strlen(str));
+ private_proposal_keywords_t *this;
+
+ INIT(this,
+ .public = {
+ .get_token = _get_token,
+ .register_token = _register_token,
+ .destroy = _destroy,
+ },
+ .tokens = linked_list_create(),
+ .lock = rwlock_create(RWLOCK_TYPE_DEFAULT),
+ );
+
+ return &this->public;
}
+/*
+ * Copyright (C) 2012 Tobias Brunner
+ * 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.
+ */
+
/*
* Copyright (c) 2012 Nanoteq Pty Ltd
*
#ifndef PROPOSAL_KEYWORDS_H_
#define PROPOSAL_KEYWORDS_H_
-#include <crypto/transform.h>
+typedef struct proposal_token_t proposal_token_t;
+typedef struct proposal_keywords_t proposal_keywords_t;
-typedef struct proposal_token proposal_token_t;
+#include <library.h>
+#include <crypto/transform.h>
/**
* Class representing a proposal token..
*/
-struct proposal_token {
+struct proposal_token_t {
/**
* The name of the token.
};
/**
- * Returns a proposal token for the specified string if a token exists.
- *
- * @param str the string containing the name of the token
- * @return proposal_tolen if found otherwise NULL
+ * Class to manage proposal keywords
+ */
+struct proposal_keywords_t {
+
+ /**
+ * Returns the proposal token for the specified string if a token exists.
+ *
+ * @param str the string containing the name of the token
+ * @return proposal_token if found, NULL otherwise
+ */
+ const proposal_token_t *(*get_token)(proposal_keywords_t *this,
+ const char *str);
+
+ /**
+ * Register a new proposal token for an algorithm.
+ *
+ * @param name the string containing the name of the token
+ * @param type the transform_type_t for the token
+ * @param algorithm the IKE id of the algorithm
+ * @param keysize the key size associated with the specific algorithm
+ */
+ void (*register_token)(proposal_keywords_t *this, const char *name,
+ transform_type_t type, u_int16_t algorithm,
+ u_int16_t keysize);
+
+ /**
+ * Destroy a proposal_keywords_t instance.
+ */
+ void (*destroy)(proposal_keywords_t *this);
+};
+
+/**
+ * Create a proposal_keywords_t instance.
*/
-const proposal_token_t* proposal_get_token(const char *str);
+proposal_keywords_t *proposal_keywords_create();
#endif /** PROPOSAL_KEYWORDS_H_ @}*/
typedef enum transform_type_t transform_type_t;
-#include <library.h>
+#include <enum.h>
/**
* Type of a transform, as in IKEv2 RFC 3.3.2.
this->public.creds->destroy(this->public.creds);
this->public.encoding->destroy(this->public.encoding);
this->public.crypto->destroy(this->public.crypto);
+ this->public.proposal->destroy(this->public.proposal);
this->public.fetcher->destroy(this->public.fetcher);
this->public.db->destroy(this->public.db);
this->public.printf_hook->destroy(this->public.printf_hook);
this->objects = hashtable_create((hashtable_hash_t)hash,
(hashtable_equals_t)equals, 4);
this->public.settings = settings_create(settings);
+ this->public.proposal = proposal_keywords_create();
this->public.crypto = crypto_factory_create();
this->public.creds = credential_factory_create();
this->public.credmgr = credential_manager_create();
#include "processing/processor.h"
#include "processing/scheduler.h"
#include "crypto/crypto_factory.h"
+#include "crypto/proposal/proposal_keywords.h"
#include "fetcher/fetcher_manager.h"
#include "database/database_factory.h"
#include "credentials/credential_factory.h"
*/
printf_hook_t *printf_hook;
+ /**
+ * Proposal keywords registry
+ */
+ proposal_keywords_t *proposal;
+
/**
* crypto algorithm registry and factory
*/
if (strcaseeq("enc", type))
{
- token = proposal_get_token(algo);
+ token = lib->proposal->get_token(lib->proposal, algo);
if (token == NULL || token->type != ENCRYPTION_ALGORITHM)
{
usage("invalid algorithm specified");
{
hash_algorithm_t hash;
- token = proposal_get_token(algo);
+ token = lib->proposal->get_token(lib->proposal, algo);
if (token == NULL || token->type != INTEGRITY_ALGORITHM)
{
usage("invalid algorithm specified");