- added separate implementation for connection_store, credential_store, policy_store

- added folder structure to config
- credentials are fetched solely on IDs now
This commit is contained in:
Martin Willi
2006-04-25 10:06:30 +00:00
parent a8c09d8cc0
commit 13e4a62f5c
36 changed files with 1240 additions and 641 deletions
+5 -10
View File
@@ -15,15 +15,6 @@
CONFIG_DIR= $(CHARON_DIR)config/
CHARON_OBJS+= $(BUILD_DIR)connection.o
$(BUILD_DIR)connection.o : $(CONFIG_DIR)connection.c $(CONFIG_DIR)connection.h
$(CC) $(CFLAGS) -c -o $@ $<
CHARON_OBJS+= $(BUILD_DIR)policy.o
$(BUILD_DIR)policy.o : $(CONFIG_DIR)policy.c $(CONFIG_DIR)policy.h
$(CC) $(CFLAGS) -c -o $@ $<
CHARON_OBJS+= $(BUILD_DIR)traffic_selector.o
$(BUILD_DIR)traffic_selector.o : $(CONFIG_DIR)traffic_selector.c $(CONFIG_DIR)traffic_selector.h
$(CC) $(CFLAGS) -c -o $@ $<
@@ -34,4 +25,8 @@ $(BUILD_DIR)proposal.o : $(CONFIG_DIR)proposal.c $(CONFIG_DIR)proposal.h
CHARON_OBJS+= $(BUILD_DIR)configuration.o
$(BUILD_DIR)configuration.o : $(CONFIG_DIR)configuration.c $(CONFIG_DIR)configuration.h
$(CC) $(CFLAGS) -c -o $@ $<
$(CC) $(CFLAGS) -c -o $@ $<
include $(CONFIG_DIR)connections/Makefile.connections
include $(CONFIG_DIR)credentials/Makefile.credentials
include $(CONFIG_DIR)policies/Makefile.policies
@@ -0,0 +1,24 @@
# Copyright (C) 2006 Martin Willi
# 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.
#
CONNECTIONS_DIR= $(CONFIG_DIR)connections/
CHARON_OBJS+= $(BUILD_DIR)connection.o
$(BUILD_DIR)connection.o : $(CONNECTIONS_DIR)connection.c $(CONNECTIONS_DIR)connection.h
$(CC) $(CFLAGS) -c -o $@ $<
CHARON_OBJS+= $(BUILD_DIR)local_connection_store.o
$(BUILD_DIR)local_connection_store.o : $(CONNECTIONS_DIR)local_connection_store.c $(CONNECTIONS_DIR)local_connection_store.h
$(CC) $(CFLAGS) -c -o $@ $<
@@ -24,7 +24,7 @@
#define CONNECTION_STORE_H_
#include <types.h>
#include <config/connection.h>
#include <config/connections/connection.h>
typedef struct connection_store_t connection_store_t;
@@ -33,17 +33,17 @@ typedef struct connection_store_t connection_store_t;
* @brief The interface for a store of connection_t's.
*
* @b Constructors:
* - stroke_create()
* - stroke_create()
*
* @ingroup config
*/
struct connection_store_t {
struct connection_store_t {
/**
* @brief Returns a connection definition identified by two IDs.
*
* This call is usefull to get a connection identified by addresses.
* It may be used after kernel request for traffic protection.
* This call is useful to get a connection which is identified by IDs
* rather than addresses, e.g. for connection setup on user request.
* The returned connection gets created/cloned and therefore must
* be destroyed after usage.
*
@@ -59,8 +59,8 @@ struct connection_store_t {
/**
* @brief Returns a connection definition identified by two hosts.
*
* This call is useful to get a connection which is identified by IDs
* rather than addresses, e.g. for connection setup on user request.
* This call is usefull to get a connection identified by addresses.
* It may be used after kernel request for traffic protection.
* The returned connection gets created/cloned and therefore must
* be destroyed after usage.
*
@@ -73,6 +73,20 @@ struct connection_store_t {
*/
connection_t *(*get_connection_by_hosts) (connection_store_t *this, host_t *my_host, host_t *other_host);
/**
* @brief Add a connection to the store.
*
* After a successful call, the connection is owned by the store and may
* not be manipulated nor destroyed.
*
* @param this calling object
* @param connection connection to add
* @return
* - SUCCESS, or
* - FAILED
*/
status_t (*add_connection) (connection_store_t *this, connection_t *connection);
/**
* @brief Destroys a connection_store_t object.
*
@@ -81,4 +95,4 @@ struct connection_store_t {
void (*destroy) (connection_store_t *this);
};
#endif /*CONNECTION_STORE_H_*/
#endif /* CONNECTION_STORE_H_ */
@@ -0,0 +1,202 @@
/**
* @file local_connection_store.c
*
* @brief Implementation of local_connection_store_t.
*
*/
/*
* Copyright (C) 2006 Martin Willi
* 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 "local_connection_store.h"
#include <utils/linked_list.h>
#include <utils/logger_manager.h>
typedef struct private_local_connection_store_t private_local_connection_store_t;
/**
* Private data of an local_connection_store_t object
*/
struct private_local_connection_store_t {
/**
* Public part
*/
local_connection_store_t public;
/**
* stored connection
*/
linked_list_t *connections;
/**
* Assigned logger
*/
logger_t *logger;
};
/**
* Implementation of connection_store_t.get_connection_by_hosts.
*/
static connection_t *get_connection_by_hosts(private_local_connection_store_t *this, host_t *my_host, host_t *other_host)
{
iterator_t *iterator;
connection_t *current, *found = NULL;
this->logger->log(this->logger, CONTROL|LEVEL1, "getting config for hosts %s - %s",
my_host->get_address(my_host), other_host->get_address(other_host));
iterator = this->connections->create_iterator(this->connections, TRUE);
while (iterator->has_next(iterator))
{
host_t *config_my_host, *config_other_host;
iterator->current(iterator, (void**)&current);
config_my_host = current->get_my_host(current);
config_other_host = current->get_other_host(current);
/* first check if ip is equal */
if(config_other_host->ip_equals(config_other_host, other_host))
{
this->logger->log(this->logger, CONTROL|LEVEL2, "config entry with remote host %s",
config_other_host->get_address(config_other_host));
/* could be right one, check my_host for default route*/
if (config_my_host->is_default_route(config_my_host))
{
found = current->clone(current);
break;
}
/* check now if host informations are the same */
else if (config_my_host->ip_equals(config_my_host,my_host))
{
found = current->clone(current);
break;
}
}
/* Then check for wildcard hosts!
* TODO
* actually its only checked if other host with default route can be found! */
else if (config_other_host->is_default_route(config_other_host))
{
/* could be right one, check my_host for default route*/
if (config_my_host->is_default_route(config_my_host))
{
found = current->clone(current);
break;
}
/* check now if host informations are the same */
else if (config_my_host->ip_equals(config_my_host,my_host))
{
found = current->clone(current);
break;
}
}
}
iterator->destroy(iterator);
/* apply hosts as they are supplied since my_host may be %defaultroute, and other_host may be %any. */
if (found)
{
found->update_my_host(found, my_host->clone(my_host));
found->update_other_host(found, other_host->clone(other_host));
}
return found;
}
/**
* Implementation of connection_store_t.get_connection_by_ids.
*/
static connection_t *get_connection_by_ids(private_local_connection_store_t *this, identification_t *my_id, identification_t *other_id)
{
iterator_t *iterator;
connection_t *current, *found = NULL;
this->logger->log(this->logger, CONTROL|LEVEL1, "getting config for ids %s - %s",
my_id->get_string(my_id), other_id->get_string(other_id));
iterator = this->connections->create_iterator(this->connections, TRUE);
while (iterator->has_next(iterator))
{
identification_t *config_my_id, *config_other_id;
iterator->current(iterator, (void**)&current);
config_my_id = current->get_my_id(current);
config_other_id = current->get_other_id(current);
/* first check if ids are equal
* TODO: Add wildcard checks */
if (config_other_id->equals(config_other_id, other_id) &&
config_my_id->equals(config_my_id, my_id))
{
this->logger->log(this->logger, CONTROL|LEVEL2, "config entry with remote id %s",
config_other_id->get_string(config_other_id));
found = current->clone(current);
break;
}
}
iterator->destroy(iterator);
return found;
}
/**
* Implementation of connection_store_t.add_connection.
*/
status_t add_connection(private_local_connection_store_t *this, connection_t *connection)
{
this->connections->insert_last(this->connections, connection);
return SUCCESS;
}
/**
* Implementation of connection_store_t.destroy.
*/
static void destroy (private_local_connection_store_t *this)
{
connection_t *connection;
while (this->connections->remove_last(this->connections, (void**)&connection) == SUCCESS)
{
connection->destroy(connection);
}
this->connections->destroy(this->connections);
free(this);
}
/**
* Described in header.
*/
local_connection_store_t * local_connection_store_create()
{
private_local_connection_store_t *this = malloc_thing(private_local_connection_store_t);
this->public.connection_store.get_connection_by_hosts = (connection_t*(*)(connection_store_t*,host_t*,host_t*))get_connection_by_hosts;
this->public.connection_store.get_connection_by_ids = (connection_t*(*)(connection_store_t*,identification_t*,identification_t*))get_connection_by_ids;
this->public.connection_store.add_connection = (status_t(*)(connection_store_t*,connection_t*))add_connection;
this->public.connection_store.destroy = (void(*)(connection_store_t*))destroy;
/* private variables */
this->connections = linked_list_create();
this->logger = logger_manager->get_logger(logger_manager, CONFIG);
return (&this->public);
}
@@ -0,0 +1,63 @@
/**
* @file local_connection_store.h
*
* @brief Interface of local_connection_store_t.
*
*/
/*
* Copyright (C) 2006 Martin Willi
* 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.
*/
#ifndef LOCAL_CONNECTION_H_
#define LOCAL_CONNECTION_H_
#include <types.h>
#include <config/connections/connection_store.h>
typedef struct local_connection_store_t local_connection_store_t;
/**
* @brief A connection_store_t implementation using a simple connection list.
*
* The local_connection_store_t class implements the connection_store_t interface
* as simple as possible. connection_t's are stored in an in-memory list.
*
* @b Constructors:
* - local_connection_store_create()
*
* @todo Make thread-save first
* @todo Add remove_connection method
*
* @ingroup config
*/
struct local_connection_store_t {
/**
* Implements connection_store_t interface
*/
connection_store_t connection_store;
};
/**
* @brief Creates a local_connection_store_t instance.
*
* @return connection store instance.
*
* @ingroup config
*/
local_connection_store_t * local_connection_store_create();
#endif /* LOCAL_CONNECTION_H_ */
@@ -0,0 +1,20 @@
# Copyright (C) 2006 Martin Willi
# 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.
#
CREDENTIALS_DIR= $(CONFIG_DIR)credentials/
CHARON_OBJS+= $(BUILD_DIR)local_credential_store.o
$(BUILD_DIR)local_credential_store.o : $(CREDENTIALS_DIR)local_credential_store.c $(CREDENTIALS_DIR)local_credential_store.h
$(CC) $(CFLAGS) -c -o $@ $<
@@ -26,6 +26,7 @@
#include <types.h>
#include <crypto/rsa/rsa_private_key.h>
#include <crypto/rsa/rsa_public_key.h>
#include <utils/identification.h>
typedef struct credential_store_t credential_store_t;
@@ -48,10 +49,12 @@ struct credential_store_t {
* @param this calling object
* @param identification identification_t object identifiying the secret.
* @param[out] preshared_secret the preshared secret will be written there.
*
* @return
* @return
* - NOT_FOUND if no preshared secrets for specific ID could be found
* - SUCCESS
*
* @todo We should use two IDs to query shared secrets, since we want to use different
* keys for different peers...
*/
status_t (*get_shared_secret) (credential_store_t *this, identification_t *identification, chunk_t *preshared_secret);
@@ -62,13 +65,9 @@ struct credential_store_t {
*
* @param this calling object
* @param identification identification_t object identifiying the key.
* @param[out] public_key the public key will be written there
*
* @return
* - NOT_FOUND if no key is configured for specific id
* - SUCCESS
*/
status_t (*get_rsa_public_key) (credential_store_t *this, identification_t *identification, rsa_public_key_t **public_key);
* @return public key, or NULL if not found
*/
rsa_public_key_t * (*get_rsa_public_key) (credential_store_t *this, identification_t *identification);
/**
* @brief Returns the RSA private key of a specific ID.
@@ -77,13 +76,9 @@ struct credential_store_t {
*
* @param this calling object
* @param identification identification_t object identifiying the key
* @param[out] private_key the private key will be written there
*
* @return
* - NOT_FOUND if no key is configured for specific id
* - SUCCESS
* @return private key, or NULL if not found
*/
status_t (*get_rsa_private_key) (credential_store_t *this, identification_t *identification, rsa_private_key_t **private_key);
rsa_private_key_t *(*get_rsa_private_key) (credential_store_t *this, identification_t *identification);
/**
* @brief Destroys a credential_store_t object.
@@ -0,0 +1,315 @@
/**
* @file local_credential_store.c
*
* @brief Implementation of local_credential_store_t.
*
*/
/*
* Copyright (C) 2006 Martin Willi
* 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 <sys/stat.h>
#include <dirent.h>
#include "local_credential_store.h"
#include <utils/linked_list.h>
#include <utils/logger_manager.h>
#include <crypto/x509.h>
typedef struct key_entry_t key_entry_t;
/**
* Private key with an associated ID to find it
*/
struct key_entry_t {
/**
* ID, as added
*/
identification_t *id;
/**
* Associated rsa private key
*/
rsa_private_key_t *key;
};
typedef struct private_local_credential_store_t private_local_credential_store_t;
/**
* Private data of an local_credential_store_t object
*/
struct private_local_credential_store_t {
/**
* Public part
*/
local_credential_store_t public;
/**
* list of key_entry_t's with private keys
*/
linked_list_t *private_keys;
/**
* list of x509 certificates with public keys
*/
linked_list_t *certificates;
/**
* Assigned logger
*/
logger_t *logger;
};
/**
* Implementation of credential_store_t.get_shared_secret.
*/
static status_t get_shared_secret(private_local_credential_store_t *this, identification_t *identification, chunk_t *preshared_secret)
{
return FAILED;
}
/**
* Implementation of credential_store_t.get_rsa_public_key.
*/
static rsa_public_key_t * get_rsa_public_key(private_local_credential_store_t *this, identification_t *identification)
{
x509_t *current;
rsa_public_key_t *found = NULL;
iterator_t *iterator;
this->logger->log(this->logger, CONTROL|LEVEL2, "Looking for public key for %s",
identification->get_string(identification));
iterator = this->certificates->create_iterator(this->certificates, TRUE);
while (iterator->has_next(iterator))
{
iterator->current(iterator, (void**)&current);
identification_t *stored = current->get_subject(current);
this->logger->log(this->logger, CONTROL|LEVEL2, "there is one for %s",
stored->get_string(stored));
if (identification->equals(identification, stored))
{
found = current->get_public_key(current);
break;
}
}
iterator->destroy(iterator);
return found;
}
/**
* Implementation of credential_store_t.get_rsa_private_key.
*/
static rsa_private_key_t *get_rsa_private_key(private_local_credential_store_t *this, identification_t *identification)
{
rsa_private_key_t *found = NULL;
key_entry_t *current;
iterator_t *iterator;
iterator = this->private_keys->create_iterator(this->private_keys, TRUE);
while (iterator->has_next(iterator))
{
iterator->current(iterator, (void**)&current);
if (identification->equals(identification, current->id))
{
found = current->key->clone(current->key);
break;
}
}
iterator->destroy(iterator);
return found;
}
/**
* Implements local_credential_store_t.load_private_keys
*/
static void load_certificates(private_local_credential_store_t *this, char *path)
{
struct dirent* entry;
struct stat stb;
DIR* dir;
x509_t *cert;
dir = opendir(path);
if (dir == NULL) {
this->logger->log(this->logger, ERROR, "error opening certificate directory \"%s\"", path);
return;
}
while ((entry = readdir(dir)) != NULL)
{
char file[256];
snprintf(file, sizeof(file), "%s/%s", path, entry->d_name);
if (stat(file, &stb) == -1)
{
continue;
}
/* try to parse all regular files */
if (stb.st_mode & S_IFREG)
{
cert = x509_create_from_file(file);
if (cert)
{
this->certificates->insert_last(this->certificates, (void*)cert);
this->logger->log(this->logger, CONTROL|LEVEL1, "loaded certificate \"%s\"", file);
}
else
{
this->logger->log(this->logger, ERROR, "certificate \"%s\" invalid, skipped", file);
}
}
}
closedir(dir);
}
/**
* Query the ID for a private key, by doing a lookup in the certificates
*/
static identification_t *get_id_for_private_key(private_local_credential_store_t *this, rsa_private_key_t *private_key)
{
iterator_t *iterator;
x509_t *cert;
identification_t *found = NULL;
rsa_public_key_t *public_key;
this->logger->log(this->logger, CONTROL|LEVEL2, "Getting ID for a private key...");
iterator = this->certificates->create_iterator(this->certificates, TRUE);
while (!found && iterator->has_next(iterator))
{
iterator->current(iterator, (void**)&cert);
public_key = cert->get_public_key(cert);
if (public_key)
{
if (private_key->belongs_to(private_key, public_key))
{
this->logger->log(this->logger, CONTROL|LEVEL2, "found a match");
found = cert->get_subject(cert);
found = found->clone(found);
}
else
{
this->logger->log(this->logger, CONTROL|LEVEL3, "this one did not match");
}
public_key->destroy(public_key);
}
}
iterator->destroy(iterator);
return found;
}
/**
* Implements local_credential_store_t.load_private_keys
*/
static void load_private_keys(private_local_credential_store_t *this, char *path)
{
struct dirent* entry;
struct stat stb;
DIR* dir;
rsa_private_key_t *key;
dir = opendir(path);
if (dir == NULL) {
this->logger->log(this->logger, ERROR, "error opening private key directory \"%s\"", path);
return;
}
while ((entry = readdir(dir)) != NULL)
{
char file[256];
snprintf(file, sizeof(file), "%s/%s", path, entry->d_name);
if (stat(file, &stb) == -1)
{
continue;
}
/* try to parse all regular files */
if (stb.st_mode & S_IFREG)
{
key = rsa_private_key_create_from_file(file, NULL);
if (key)
{
key_entry_t *entry;
identification_t *id = get_id_for_private_key(this, key);
if (!id)
{
this->logger->log(this->logger, ERROR,
"no certificate found for private key \"%s\", skipped", file);
key->destroy(key);
continue;
}
entry = malloc_thing(key_entry_t);
entry->key = key;
entry->id = id;
this->private_keys->insert_last(this->private_keys, (void*)entry);
this->logger->log(this->logger, CONTROL|LEVEL1, "loaded private key \"%s\"", file);
}
else
{
this->logger->log(this->logger, ERROR, "private key \"%s\" invalid, skipped", file);
}
}
}
closedir(dir);
}
/**
* Implementation of credential_store_t.destroy.
*/
static void destroy(private_local_credential_store_t *this)
{
x509_t *certificate;
key_entry_t *key_entry;
while (this->certificates->remove_last(this->certificates, (void**)&certificate) == SUCCESS)
{
certificate->destroy(certificate);
}
this->certificates->destroy(this->certificates);
while (this->private_keys->remove_last(this->private_keys, (void**)&key_entry) == SUCCESS)
{
key_entry->id->destroy(key_entry->id);
key_entry->key->destroy(key_entry->key);
free(key_entry);
}
this->private_keys->destroy(this->private_keys);
free(this);
}
/**
* Described in header.
*/
local_credential_store_t * local_credential_store_create()
{
private_local_credential_store_t *this = malloc_thing(private_local_credential_store_t);
this->public.credential_store.get_shared_secret = (status_t(*)(credential_store_t*,identification_t*,chunk_t*))get_shared_secret;
this->public.credential_store.get_rsa_private_key = (rsa_private_key_t*(*)(credential_store_t*,identification_t*))get_rsa_private_key;
this->public.credential_store.get_rsa_public_key = (rsa_public_key_t*(*)(credential_store_t*,identification_t*))get_rsa_public_key;
this->public.load_certificates = (void(*)(local_credential_store_t*,char*))load_certificates;
this->public.load_private_keys = (void(*)(local_credential_store_t*,char*))load_private_keys;
this->public.credential_store.destroy = (void(*)(credential_store_t*))destroy;
/* private variables */
this->private_keys = linked_list_create();
this->certificates = linked_list_create();
this->logger = logger_manager->get_logger(logger_manager, CONFIG);
return (&this->public);
}
@@ -0,0 +1,84 @@
/**
* @file local_credential_store.h
*
* @brief Interface of local_credential_store_t.
*
*/
/*
* Copyright (C) 2006 Martin Willi
* 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.
*/
#ifndef LOCAL_CREDENTIAL_H_
#define LOCAL_CREDENTIAL_H_
#include <types.h>
#include <config/credentials/credential_store.h>
typedef struct local_credential_store_t local_credential_store_t;
/**
* @brief A credential_store_t implementation using simple credentail lists.
*
* The local_credential_store_t class implements the credential_store_t interface
* as simple as possible. The credentials are stored in lists, and can be loaded
* from folders.
* Shared secret are not handled yet, so get_shared_secret always returns NOT_FOUND.
*
* @b Constructors:
* - local_credential_store_create()
*
* @ingroup config
*/
struct local_credential_store_t {
/**
* Implements credential_store_t interface
*/
credential_store_t credential_store;
/**
* @brief Loads trusted certificates from a folder.
*
* Currently, all keys must be in binary DER format.
*
* @param this calling object
* @param path directory to load certificates from
*/
void (*load_certificates) (local_credential_store_t *this, char *path);
/**
* @brief Loads RSA private keys from a folder.
*
* Currently, all keys must be unencrypted in binary DER format. Anything
* other gets ignored. Further, a certificate for the specific private
* key must already be loaded to get the ID from.
*
* @param this calling object
* @param path directory to load keys from
*/
void (*load_private_keys) (local_credential_store_t *this, char *path);
};
/**
* @brief Creates a local_credential_store_t instance.
*
* @return credential store instance.
*
* @ingroup config
*/
local_credential_store_t *local_credential_store_create();
#endif /* LOCAL_CREDENTIAL_H_ */
@@ -0,0 +1,24 @@
# Copyright (C) 2006 Martin Willi
# 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.
#
POLICIES_DIR= $(CONFIG_DIR)policies/
CHARON_OBJS+= $(BUILD_DIR)policy.o
$(BUILD_DIR)policy.o : $(POLICIES_DIR)policy.c $(POLICIES_DIR)policy.h
$(CC) $(CFLAGS) -c -o $@ $<
CHARON_OBJS+= $(BUILD_DIR)local_policy_store.o
$(BUILD_DIR)local_policy_store.o : $(POLICIES_DIR)local_policy_store.c $(POLICIES_DIR)local_policy_store.h
$(CC) $(CFLAGS) -c -o $@ $<
@@ -0,0 +1,137 @@
/**
* @file local_policy_store.c
*
* @brief Implementation of local_policy_store_t.
*
*/
/*
* Copyright (C) 2006 Martin Willi
* 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 "local_policy_store.h"
#include <utils/linked_list.h>
#include <utils/logger_manager.h>
typedef struct private_local_policy_store_t private_local_policy_store_t;
/**
* Private data of an local_policy_store_t object
*/
struct private_local_policy_store_t {
/**
* Public part
*/
local_policy_store_t public;
/**
* list of policy_t's
*/
linked_list_t *policies;
/**
* Assigned logger
*/
logger_t *logger;
};
/**
* Implementation of policy_store_t.add_policy.
*/
static void add_policy(private_local_policy_store_t *this, policy_t *policy)
{
this->policies->insert_last(this->policies, (void*)policy);
}
/**
* Implementation of policy_store_t.get_policy.
*/
static policy_t *get_policy(private_local_policy_store_t *this, identification_t *my_id, identification_t *other_id)
{
iterator_t *iterator;
policy_t *current, *found = NULL;
iterator = this->policies->create_iterator(this->policies, TRUE);
while (iterator->has_next(iterator))
{
iterator->current(iterator, (void **)&current);
identification_t *config_my_id = current->get_my_id(current);
identification_t *config_other_id = current->get_other_id(current);
/* check other host first */
if (config_other_id->belongs_to(config_other_id, other_id))
{
/* get it if my_id not specified */
if (my_id == NULL)
{
found = current->clone(current);
break;
}
if (config_my_id->belongs_to(config_my_id, my_id))
{
found = current->clone(current);
break;
}
}
}
iterator->destroy(iterator);
/* apply IDs as they are requsted, since they may be configured as %any or such */
if (found)
{
if (my_id)
{
found->update_my_id(found, my_id->clone(my_id));
}
found->update_other_id(found, other_id->clone(other_id));
}
return found;
}
/**
* Implementation of policy_store_t.destroy.
*/
static void destroy(private_local_policy_store_t *this)
{
policy_t *policy;
while (this->policies->remove_last(this->policies, (void**)&policy) == SUCCESS)
{
policy->destroy(policy);
}
this->policies->destroy(this->policies);
free(this);
}
/**
* Described in header.
*/
local_policy_store_t *local_policy_store_create()
{
private_local_policy_store_t *this = malloc_thing(private_local_policy_store_t);
this->public.policy_store.add_policy = (void(*)(policy_store_t*,policy_t*))add_policy;
this->public.policy_store.get_policy = (policy_t*(*)(policy_store_t*,identification_t*,identification_t*))get_policy;
this->public.policy_store.destroy = (void(*)(policy_store_t*))destroy;
/* private variables */
this->policies = linked_list_create();
this->logger = logger_manager->get_logger(logger_manager, CONFIG);
return (&this->public);
}
@@ -0,0 +1,60 @@
/**
* @file local_policy_store.h
*
* @brief Interface of local_policy_store_t.
*
*/
/*
* Copyright (C) 2006 Martin Willi
* 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.
*/
#ifndef LOCAL_POLICY_STORE_H_
#define LOCAL_POLICY_STORE_H_
#include <types.h>
#include <config/policies/policy_store.h>
typedef struct local_policy_store_t local_policy_store_t;
/**
* @brief A policy_store_t implementation using a simple policy lists.
*
* The local_policy_store_t class implements the policy_store_t interface
* as simple as possible. The policies are stored in a in-memory list.
*
* @b Constructors:
* - local_policy_store_create()
*
* @ingroup config
*/
struct local_policy_store_t {
/**
* Implements policy_store_t interface
*/
policy_store_t policy_store;
};
/**
* @brief Creates a local_policy_store_t instance.
*
* @return policy store instance.
*
* @ingroup config
*/
local_policy_store_t *local_policy_store_create();
#endif /* LOCAL_POLICY_STORE_H_ */
@@ -24,7 +24,7 @@
#define POLICY_STORE_H_
#include <types.h>
#include <config/policy.h>
#include <config/policies/policy.h>
typedef struct policy_store_t policy_store_t;
@@ -53,6 +53,17 @@ struct policy_store_t {
* - NULL otherwise
*/
policy_t *(*get_policy) (policy_store_t *this, identification_t *my_id, identification_t *other_id);
/**
* @brief Add a policy to the list.
*
* The policy is owned by the store after the call. Do
* not modify nor free.
*
* @param this calling object
* @param policy policy to add
*/
void (*add_policy) (policy_store_t *this, policy_t *policy);
/**
* @brief Destroys a policy_store_t object.