diff options
Diffstat (limited to 'src/libcharon/sa/ike_sa_id.c')
| -rw-r--r-- | src/libcharon/sa/ike_sa_id.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/src/libcharon/sa/ike_sa_id.c b/src/libcharon/sa/ike_sa_id.c new file mode 100644 index 000000000..94c5405f2 --- /dev/null +++ b/src/libcharon/sa/ike_sa_id.c @@ -0,0 +1,179 @@ +/* + * Copyright (C) 2005-2006 Martin Willi + * Copyright (C) 2005 Jan Hutter + * 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 "ike_sa_id.h" + +#include <stdio.h> + + +typedef struct private_ike_sa_id_t private_ike_sa_id_t; + +/** + * Private data of an ike_sa_id_t object. + */ +struct private_ike_sa_id_t { + /** + * Public interface of ike_sa_id_t. + */ + ike_sa_id_t public; + + /** + * SPI of Initiator. + */ + u_int64_t initiator_spi; + + /** + * SPI of Responder. + */ + u_int64_t responder_spi; + + /** + * Role for specific IKE_SA. + */ + bool is_initiator_flag; +}; + +/** + * Implementation of ike_sa_id_t.set_responder_spi. + */ +static void set_responder_spi (private_ike_sa_id_t *this, u_int64_t responder_spi) +{ + this->responder_spi = responder_spi; +} + +/** + * Implementation of ike_sa_id_t.set_initiator_spi. + */ +static void set_initiator_spi(private_ike_sa_id_t *this, u_int64_t initiator_spi) +{ + this->initiator_spi = initiator_spi; +} + +/** + * Implementation of ike_sa_id_t.get_initiator_spi. + */ +static u_int64_t get_initiator_spi (private_ike_sa_id_t *this) +{ + return this->initiator_spi; +} + +/** + * Implementation of ike_sa_id_t.get_responder_spi. + */ +static u_int64_t get_responder_spi (private_ike_sa_id_t *this) +{ + return this->responder_spi; +} + +/** + * Implementation of ike_sa_id_t.equals. + */ +static bool equals (private_ike_sa_id_t *this, private_ike_sa_id_t *other) +{ + if (other == NULL) + { + return FALSE; + } + if ((this->is_initiator_flag == other->is_initiator_flag) && + (this->initiator_spi == other->initiator_spi) && + (this->responder_spi == other->responder_spi)) + { + /* private_ike_sa_id's are equal */ + return TRUE; + } + else + { + /* private_ike_sa_id's are not equal */ + return FALSE; + } +} + +/** + * Implementation of ike_sa_id_t.replace_values. + */ +static void replace_values(private_ike_sa_id_t *this, private_ike_sa_id_t *other) +{ + this->initiator_spi = other->initiator_spi; + this->responder_spi = other->responder_spi; + this->is_initiator_flag = other->is_initiator_flag; +} + +/** + * Implementation of ike_sa_id_t.is_initiator. + */ +static bool is_initiator(private_ike_sa_id_t *this) +{ + return this->is_initiator_flag; +} + +/** + * Implementation of ike_sa_id_t.switch_initiator. + */ +static bool switch_initiator(private_ike_sa_id_t *this) +{ + if (this->is_initiator_flag) + { + this->is_initiator_flag = FALSE; + } + else + { + this->is_initiator_flag = TRUE; + } + return this->is_initiator_flag; +} + +/** + * Implementation of ike_sa_id_t.clone. + */ +static ike_sa_id_t* clone_(private_ike_sa_id_t *this) +{ + return ike_sa_id_create(this->initiator_spi, this->responder_spi, this->is_initiator_flag); +} + +/** + * Implementation of ike_sa_id_t.destroy. + */ +static void destroy(private_ike_sa_id_t *this) +{ + free(this); +} + +/* + * Described in header. + */ +ike_sa_id_t * ike_sa_id_create(u_int64_t initiator_spi, u_int64_t responder_spi, bool is_initiator_flag) +{ + private_ike_sa_id_t *this = malloc_thing(private_ike_sa_id_t); + + /* public functions */ + this->public.set_responder_spi = (void(*)(ike_sa_id_t*,u_int64_t)) set_responder_spi; + this->public.set_initiator_spi = (void(*)(ike_sa_id_t*,u_int64_t)) set_initiator_spi; + this->public.get_responder_spi = (u_int64_t(*)(ike_sa_id_t*)) get_responder_spi; + this->public.get_initiator_spi = (u_int64_t(*)(ike_sa_id_t*)) get_initiator_spi; + this->public.equals = (bool(*)(ike_sa_id_t*,ike_sa_id_t*)) equals; + this->public.replace_values = (void(*)(ike_sa_id_t*,ike_sa_id_t*)) replace_values; + this->public.is_initiator = (bool(*)(ike_sa_id_t*)) is_initiator; + this->public.switch_initiator = (bool(*)(ike_sa_id_t*)) switch_initiator; + this->public.clone = (ike_sa_id_t*(*)(ike_sa_id_t*)) clone_; + this->public.destroy = (void(*)(ike_sa_id_t*))destroy; + + /* private data */ + this->initiator_spi = initiator_spi; + this->responder_spi = responder_spi; + this->is_initiator_flag = is_initiator_flag; + + return &this->public; +} |