diff options
Diffstat (limited to 'src/charon/config/connections/connection.c')
-rw-r--r-- | src/charon/config/connections/connection.c | 404 |
1 files changed, 0 insertions, 404 deletions
diff --git a/src/charon/config/connections/connection.c b/src/charon/config/connections/connection.c deleted file mode 100644 index ffe508992..000000000 --- a/src/charon/config/connections/connection.c +++ /dev/null @@ -1,404 +0,0 @@ -/** - * @file connection.c - * - * @brief Implementation of connection_t. - * - */ - -/* - * 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 <string.h> - -#include <config/connections/connection.h> -#include <utils/linked_list.h> - -ENUM(cert_policy_names, CERT_ALWAYS_SEND, CERT_NEVER_SEND, - "CERT_ALWAYS_SEND", - "CERT_SEND_IF_ASKED", - "CERT_NEVER_SEND" -); - -typedef struct private_connection_t private_connection_t; - -/** - * Private data of an connection_t object - */ -struct private_connection_t { - - /** - * Public part - */ - connection_t public; - - /** - * Number of references hold by others to this connection - */ - refcount_t refcount; - - /** - * Name of the connection - */ - char *name; - - /** - * Does charon handle this connection? Or can he ignore it? - */ - bool ikev2; - - /** - * should we send a certificate request? - */ - cert_policy_t certreq_policy; - - /** - * should we send a certificates? - */ - cert_policy_t cert_policy; - - /** - * ID of us - */ - identification_t *my_id; - - /** - * Host information of my host. - */ - host_t *my_host; - - /** - * Host information of other host. - */ - host_t *other_host; - - /** - * Interval to send DPD liveness checks on inactivity - */ - u_int32_t dpd_delay; - - /** - * Number of retransmission sequences to send bevore giving up - */ - u_int32_t keyingtries; - - /** - * Supported proposals - */ - linked_list_t *proposals; - - /** - * Time before an SA gets invalid - */ - u_int32_t soft_lifetime; - - /** - * Time before an SA gets rekeyed - */ - u_int32_t hard_lifetime; - - /** - * Use full reauthentication instead of rekeying - */ - bool reauth; - - /** - * Time, which specifies the range of a random value - * substracted from soft_lifetime. - */ - u_int32_t jitter; -}; - -/** - * Implementation of connection_t.get_name. - */ -static char *get_name (private_connection_t *this) -{ - return this->name; -} - -/** - * Implementation of connection_t.is_ikev2. - */ -static bool is_ikev2 (private_connection_t *this) -{ - return this->ikev2; -} - -/** - * Implementation of connection_t.get_certreq_policy. - */ -static cert_policy_t get_certreq_policy (private_connection_t *this) -{ - return this->certreq_policy; -} - -/** - * Implementation of connection_t.get_cert_policy. - */ -static cert_policy_t get_cert_policy (private_connection_t *this) -{ - return this->cert_policy; -} - -/** - * Implementation of connection_t.get_my_host. - */ -static host_t *get_my_host (private_connection_t *this) -{ - return this->my_host; -} - -/** - * Implementation of connection_t.get_other_host. - */ -static host_t *get_other_host (private_connection_t *this) -{ - return this->other_host; -} - -/** - * Implementation of connection_t.get_proposals. - */ -static linked_list_t* get_proposals(private_connection_t *this) -{ - iterator_t *iterator; - proposal_t *current; - linked_list_t *proposals = linked_list_create(); - - iterator = this->proposals->create_iterator(this->proposals, TRUE); - while (iterator->iterate(iterator, (void**)¤t)) - { - current = current->clone(current); - proposals->insert_last(proposals, (void*)current); - } - iterator->destroy(iterator); - - return proposals; -} - -/** - * Implementation of connection_t.select_proposal. - */ -static proposal_t *select_proposal(private_connection_t *this, linked_list_t *proposals) -{ - iterator_t *stored_iter, *supplied_iter; - proposal_t *stored, *supplied, *selected; - - stored_iter = this->proposals->create_iterator(this->proposals, TRUE); - supplied_iter = proposals->create_iterator(proposals, TRUE); - - /* compare all stored proposals with all supplied. Stored ones are preferred. */ - while (stored_iter->iterate(stored_iter, (void**)&stored)) - { - supplied_iter->reset(supplied_iter); - - while (supplied_iter->iterate(supplied_iter, (void**)&supplied)) - { - selected = stored->select(stored, supplied); - if (selected) - { - /* they match, return */ - stored_iter->destroy(stored_iter); - supplied_iter->destroy(supplied_iter); - return selected; - } - } - } - /* no proposal match :-(, will result in a NO_PROPOSAL_CHOSEN... */ - stored_iter->destroy(stored_iter); - supplied_iter->destroy(supplied_iter); - - return NULL; -} - -/** - * Implementation of connection_t.add_proposal. - */ -static void add_proposal(private_connection_t *this, proposal_t *proposal) -{ - this->proposals->insert_last(this->proposals, proposal); -} - -/** - * Implementation of connection_t.get_dpd_delay. - */ -static u_int32_t get_dpd_delay(private_connection_t *this) -{ - return this->dpd_delay; -} - -/** - * Implementation of connection_t.get_keyingtries. - */ -static u_int32_t get_keyingtries(private_connection_t *this) -{ - return this->keyingtries; -} - -/** - * Implementation of connection_t.get_dh_group. - */ -static diffie_hellman_group_t get_dh_group(private_connection_t *this) -{ - iterator_t *iterator; - proposal_t *proposal; - algorithm_t *algo; - diffie_hellman_group_t dh_group = MODP_NONE; - - iterator = this->proposals->create_iterator(this->proposals, TRUE); - while (iterator->iterate(iterator, (void**)&proposal)) - { - if (proposal->get_algorithm(proposal, DIFFIE_HELLMAN_GROUP, &algo)) - { - dh_group = algo->algorithm; - break; - } - } - iterator->destroy(iterator); - return dh_group; -} - -/** - * Implementation of connection_t.check_dh_group. - */ -static bool check_dh_group(private_connection_t *this, diffie_hellman_group_t dh_group) -{ - iterator_t *prop_iter, *alg_iter; - proposal_t *proposal; - algorithm_t *algo; - - prop_iter = this->proposals->create_iterator(this->proposals, TRUE); - while (prop_iter->iterate(prop_iter, (void**)&proposal)) - { - alg_iter = proposal->create_algorithm_iterator(proposal, DIFFIE_HELLMAN_GROUP); - while (alg_iter->iterate(alg_iter, (void**)&algo)) - { - if (algo->algorithm == dh_group) - { - prop_iter->destroy(prop_iter); - alg_iter->destroy(alg_iter); - return TRUE; - } - } - alg_iter->destroy(alg_iter); - } - prop_iter->destroy(prop_iter); - return FALSE; -} -/** - * Implementation of connection_t.get_soft_lifetime - */ -static u_int32_t get_soft_lifetime(private_connection_t *this) -{ - if (this->jitter == 0) - { - return this->soft_lifetime ; - } - return this->soft_lifetime - (random() % this->jitter); -} - -/** - * Implementation of connection_t.get_hard_lifetime. - */ -static u_int32_t get_hard_lifetime(private_connection_t *this) -{ - return this->hard_lifetime; -} - -/** - * Implementation of connection_t.get_reauth. - */ -static bool get_reauth(private_connection_t *this) -{ - return this->reauth; -} - -/** - * Implementation of connection_t.get_ref. - */ -static void get_ref(private_connection_t *this) -{ - ref_get(&this->refcount); -} - -/** - * Implementation of connection_t.destroy. - */ -static void destroy(private_connection_t *this) -{ - if (ref_put(&this->refcount)) - { - this->proposals->destroy_offset(this->proposals, offsetof(proposal_t, destroy)); - this->my_host->destroy(this->my_host); - this->other_host->destroy(this->other_host); - free(this->name); - free(this); - } -} - -/** - * Described in header. - */ -connection_t * connection_create(char *name, bool ikev2, - cert_policy_t cert_policy, - cert_policy_t certreq_policy, - host_t *my_host, host_t *other_host, - u_int32_t dpd_delay, bool reauth, - u_int32_t keyingtries, - u_int32_t hard_lifetime, - u_int32_t soft_lifetime, u_int32_t jitter) -{ - private_connection_t *this = malloc_thing(private_connection_t); - - /* public functions */ - this->public.get_name = (char*(*)(connection_t*))get_name; - this->public.is_ikev2 = (bool(*)(connection_t*))is_ikev2; - this->public.get_cert_policy = (cert_policy_t(*)(connection_t*))get_cert_policy; - this->public.get_certreq_policy = (cert_policy_t(*)(connection_t*))get_certreq_policy; - this->public.get_my_host = (host_t*(*)(connection_t*))get_my_host; - this->public.get_other_host = (host_t*(*)(connection_t*))get_other_host; - this->public.get_proposals = (linked_list_t*(*)(connection_t*))get_proposals; - this->public.select_proposal = (proposal_t*(*)(connection_t*,linked_list_t*))select_proposal; - this->public.add_proposal = (void(*)(connection_t*, proposal_t*)) add_proposal; - this->public.get_dpd_delay = (u_int32_t(*)(connection_t*)) get_dpd_delay; - this->public.get_reauth = (bool(*)(connection_t*)) get_reauth; - this->public.get_keyingtries = (u_int32_t(*)(connection_t*)) get_keyingtries; - this->public.get_dh_group = (diffie_hellman_group_t(*)(connection_t*)) get_dh_group; - this->public.check_dh_group = (bool(*)(connection_t*,diffie_hellman_group_t)) check_dh_group; - this->public.get_soft_lifetime = (u_int32_t (*) (connection_t *))get_soft_lifetime; - this->public.get_hard_lifetime = (u_int32_t (*) (connection_t *))get_hard_lifetime; - this->public.get_ref = (void(*)(connection_t*))get_ref; - this->public.destroy = (void(*)(connection_t*))destroy; - - /* private variables */ - this->refcount = 1; - this->name = strdup(name); - this->ikev2 = ikev2; - this->cert_policy = cert_policy; - this->certreq_policy = certreq_policy; - this->my_host = my_host; - this->other_host = other_host; - this->dpd_delay = dpd_delay; - this->reauth = reauth; - this->keyingtries = keyingtries; - this->hard_lifetime = hard_lifetime; - this->soft_lifetime = soft_lifetime; - this->jitter = jitter; - - this->proposals = linked_list_create(); - - return &this->public; -} |