diff options
Diffstat (limited to 'Source/charon/sa/ike_sa_manager.c')
| -rw-r--r-- | Source/charon/sa/ike_sa_manager.c | 812 |
1 files changed, 0 insertions, 812 deletions
diff --git a/Source/charon/sa/ike_sa_manager.c b/Source/charon/sa/ike_sa_manager.c deleted file mode 100644 index 01f3f5ad2..000000000 --- a/Source/charon/sa/ike_sa_manager.c +++ /dev/null @@ -1,812 +0,0 @@ -/** - * @file ike_sa_manager.c - * - * @brief Implementation of ike_sa_mananger_t. - * - */ - -/* - * Copyright (C) 2005 Jan Hutter, 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 <pthread.h> -#include <string.h> - -#include "ike_sa_manager.h" - -#include <daemon.h> -#include <sa/ike_sa_id.h> -#include <utils/logger.h> -#include <utils/logger_manager.h> -#include <utils/linked_list.h> - -typedef struct ike_sa_entry_t ike_sa_entry_t; - -/** - * An entry in the linked list, contains IKE_SA, locking and lookup data. - */ -struct ike_sa_entry_t { - /** - * Destructor, also destroys associated ike_sa_t object. - */ - status_t (*destroy) (ike_sa_entry_t *this); - - /** - * Number of threads waiting for this ike_sa_t object. - */ - int waiting_threads; - - /** - * Condvar where threads can wait until ike_sa_t object is free for use again. - */ - pthread_cond_t condvar; - - /** - * Is this ike_sa currently checked out? - */ - bool checked_out; - - /** - * Does this SA drives out new threads? - */ - bool driveout_new_threads; - - /** - * Does this SA drives out waiting threads? - */ - bool driveout_waiting_threads; - - /** - * Identifiaction of an IKE_SA (SPIs). - */ - ike_sa_id_t *ike_sa_id; - - /** - * The contained ike_sa_t object. - */ - ike_sa_t *ike_sa; -}; - -/** - * Implementation of ike_sa_entry_t.destroy. - */ -static status_t ike_sa_entry_destroy(ike_sa_entry_t *this) -{ - /* also destroy IKE SA */ - this->ike_sa->destroy(this->ike_sa); - this->ike_sa_id->destroy(this->ike_sa_id); - free(this); - return SUCCESS; -} - -/** - * @brief Creates a new entry for the ike_sa_t list. - * - * This constructor additionaly creates a new and empty SA. - * - * @param ike_sa_id The associated ike_sa_id_t, will be cloned - * @return ike_sa_entry_t object - */ -static ike_sa_entry_t *ike_sa_entry_create(ike_sa_id_t *ike_sa_id) -{ - ike_sa_entry_t *this = malloc_thing(ike_sa_entry_t); - - /* destroy function */ - this->destroy = ike_sa_entry_destroy; - - this->waiting_threads = 0; - pthread_cond_init(&(this->condvar), NULL); - - /* we set checkout flag when we really give it out */ - this->checked_out = FALSE; - this->driveout_new_threads = FALSE; - this->driveout_waiting_threads = FALSE; - - /* ike_sa_id is always cloned */ - this->ike_sa_id = ike_sa_id->clone(ike_sa_id); - - /* create new ike_sa */ - this->ike_sa = ike_sa_create(ike_sa_id); - - return this; -} - - -typedef struct private_ike_sa_manager_t private_ike_sa_manager_t; - -/** - * Additional private members of ike_sa_manager_t. - */ -struct private_ike_sa_manager_t { - /** - * Public interface of ike_sa_manager_t. - */ - ike_sa_manager_t public; - - /** - * @brief Get next spi. - * - * We give out SPIs incremental starting at 1. - * - * @param this the ike_sa_manager - * @return the next spi - */ - u_int64_t (*get_next_spi) (private_ike_sa_manager_t *this); - - /** - * @brief Find the ike_sa_entry_t object in the list by SPIs. - * - * This function simply iterates over the linked list. A hash-table - * would be more efficient when storing a lot of IKE_SAs... - * - * @param this calling object - * @param ike_sa_id id of the ike_sa, containing SPIs - * @param[out] entry pointer to set to the found entry - * @return - * - SUCCESS when found, - * - NOT_FOUND when no such ike_sa_id in list - */ - status_t (*get_entry_by_id) (private_ike_sa_manager_t *this, ike_sa_id_t *ike_sa_id, ike_sa_entry_t **entry); - - /** - * @brief Find the ike_sa_entry_t in the list by pointer to SA. - * - * This function simply iterates over the linked list. A hash-table - * would be more efficient when storing a lot of IKE_SAs... - * - * @param this calling object - * @param ike_sa pointer to the ike_sa - * @param[out] entry pointer to set to the found entry - * @return - * - SUCCESS when found, - * - NOT_FOUND when no such ike_sa_id in list - */ - status_t (*get_entry_by_sa) (private_ike_sa_manager_t *this, ike_sa_t *ike_sa, ike_sa_entry_t **entry); - - /** - * @brief Felete an entry from the linked list. - * - * @param this calling object - * @param entry entry to delete - * @return - * - SUCCESS when found, - * - NOT_FOUND when no such ike_sa_id in list - */ - status_t (*delete_entry) (private_ike_sa_manager_t *this, ike_sa_entry_t *entry); - - /** - * Lock for exclusivly accessing the manager. - */ - pthread_mutex_t mutex; - - /** - * Logger used for this IKE SA Manager. - */ - logger_t *logger; - - /** - * Linked list with entries for the ike_sa_t objects. - */ - linked_list_t *ike_sa_list; - - /** - * Next SPI, needed for incremental creation of SPIs. - */ - u_int64_t next_spi; -}; - -/** - * Implementation of private_ike_sa_manager_t.get_entry_by_id. - */ -static status_t get_entry_by_id(private_ike_sa_manager_t *this, ike_sa_id_t *ike_sa_id, ike_sa_entry_t **entry) -{ - linked_list_t *list = this->ike_sa_list; - iterator_t *iterator; - status_t status; - - /* create iterator over list of ike_sa's */ - iterator = list->create_iterator(list, TRUE); - - /* default status */ - status = NOT_FOUND; - - while (iterator->has_next(iterator)) - { - ike_sa_entry_t *current; - - iterator->current(iterator, (void**)¤t); - if (current->ike_sa_id->get_responder_spi(current->ike_sa_id) == 0) - { - /* seems to be a half ready ike_sa */ - if ((current->ike_sa_id->get_initiator_spi(current->ike_sa_id) == ike_sa_id->get_initiator_spi(ike_sa_id)) - && (ike_sa_id->is_initiator(ike_sa_id) == current->ike_sa_id->is_initiator(current->ike_sa_id))) - { - this->logger->log(this->logger,CONTROL | LEVEL2,"Found entry by initiator spi %d",ike_sa_id->get_initiator_spi(ike_sa_id)); - *entry = current; - status = SUCCESS; - break; - } - } - else if (ike_sa_id->get_responder_spi(ike_sa_id) == 0) - { - if ((current->ike_sa_id->get_initiator_spi(current->ike_sa_id) == ike_sa_id->get_initiator_spi(ike_sa_id)) - && (ike_sa_id->is_initiator(ike_sa_id) == current->ike_sa_id->is_initiator(current->ike_sa_id))) - { - this->logger->log(this->logger,CONTROL | LEVEL2,"Found entry by initiator spi %d",ike_sa_id->get_initiator_spi(ike_sa_id)); - *entry = current; - status = SUCCESS; - break; - } - } - if (current->ike_sa_id->equals(current->ike_sa_id, ike_sa_id)) - { - this->logger->log(this->logger,CONTROL | LEVEL2,"Found entry by full ID"); - *entry = current; - status = SUCCESS; - break; - } - } - - iterator->destroy(iterator); - return status; -} - -/** - * Implementation of private_ike_sa_manager_t.get_entry_by_sa. - */ -static status_t get_entry_by_sa(private_ike_sa_manager_t *this, ike_sa_t *ike_sa, ike_sa_entry_t **entry) -{ - linked_list_t *list = this->ike_sa_list; - iterator_t *iterator; - status_t status; - - iterator = list->create_iterator(list, TRUE); - - /* default status */ - status = NOT_FOUND; - - while (iterator->has_next(iterator)) - { - ike_sa_entry_t *current; - iterator->current(iterator, (void**)¤t); - /* only pointers are compared */ - if (current->ike_sa == ike_sa) - { - this->logger->log(this->logger,CONTROL | LEVEL2,"Found entry by pointer"); - *entry = current; - status = SUCCESS; - break; - } - } - iterator->destroy(iterator); - - return status; -} - -/** - * Implementation of private_ike_sa_manager_s.delete_entry. - */ -static status_t delete_entry(private_ike_sa_manager_t *this, ike_sa_entry_t *entry) -{ - linked_list_t *list = this->ike_sa_list; - iterator_t *iterator; - status_t status; - - iterator = list->create_iterator(list, TRUE); - - status = NOT_FOUND; - - while (iterator->has_next(iterator)) - { - ike_sa_entry_t *current; - iterator->current(iterator, (void**)¤t); - if (current == entry) - { - this->logger->log(this->logger,CONTROL | LEVEL2,"Found entry by pointer. Going to delete it."); - iterator->remove(iterator); - entry->destroy(entry); - status = SUCCESS; - break; - } - } - iterator->destroy(iterator); - return status; -} - - -/** - * Implementation of private_ike_sa_manager_t.get_next_spi. - */ -static u_int64_t get_next_spi(private_ike_sa_manager_t *this) -{ - this->next_spi++; - if (this->next_spi == 0) { - /* TODO handle overflow, - * delete all SAs or so - */ - } - return this->next_spi; -} - -/** - * Implementation of of ike_sa_manager.create_and_checkout. - */ -static void create_and_checkout(private_ike_sa_manager_t *this,ike_sa_t **ike_sa) -{ - u_int64_t initiator_spi; - ike_sa_entry_t *new_ike_sa_entry; - ike_sa_id_t *new_ike_sa_id; - - initiator_spi = this->get_next_spi(this); - new_ike_sa_id = ike_sa_id_create(0, 0, TRUE); - new_ike_sa_id->set_initiator_spi(new_ike_sa_id, initiator_spi); - - /* create entry */ - new_ike_sa_entry = ike_sa_entry_create(new_ike_sa_id); - new_ike_sa_id->destroy(new_ike_sa_id); - - /* each access is locked */ - pthread_mutex_lock(&(this->mutex)); - - this->ike_sa_list->insert_last(this->ike_sa_list, new_ike_sa_entry); - - /* check ike_sa out */ - this->logger->log(this->logger,CONTROL | LEVEL1 ,"New IKE_SA created and added to list of known IKE_SA's"); - new_ike_sa_entry->checked_out = TRUE; - *ike_sa = new_ike_sa_entry->ike_sa; - - pthread_mutex_unlock(&(this->mutex)); -} - -/** - * Implementation of of ike_sa_manager.checkout. - */ -static status_t checkout(private_ike_sa_manager_t *this, ike_sa_id_t *ike_sa_id, ike_sa_t **ike_sa) -{ - bool responder_spi_set; - bool initiator_spi_set; - bool original_initiator; - status_t retval; - - /* each access is locked */ - pthread_mutex_lock(&(this->mutex)); - - responder_spi_set = (FALSE != ike_sa_id->get_responder_spi(ike_sa_id)); - initiator_spi_set = (FALSE != ike_sa_id->get_initiator_spi(ike_sa_id)); - original_initiator = ike_sa_id->is_initiator(ike_sa_id); - - if ((initiator_spi_set && responder_spi_set) || - ((initiator_spi_set && !responder_spi_set) && (original_initiator))) - { - /* we SHOULD have an IKE_SA for these SPIs in the list, - * if not, we can't handle the request... - */ - ike_sa_entry_t *entry; - /* look for the entry */ - if (this->get_entry_by_id(this, ike_sa_id, &entry) == SUCCESS) - { - /* can we give this ike_sa out to new requesters?*/ - if (entry->driveout_new_threads) - { - this->logger->log(this->logger,CONTROL|LEVEL1,"Drive out new thread for existing IKE_SA"); - /* no we can't */ - retval = NOT_FOUND; - } - else - { - /* is this IKE_SA already checked out ?? - * are we welcome to get this SA ? */ - while (entry->checked_out && !entry->driveout_waiting_threads) - { - /* so wait until we can get it for us. - * we register us as waiting. - */ - entry->waiting_threads++; - pthread_cond_wait(&(entry->condvar), &(this->mutex)); - entry->waiting_threads--; - } - - /* hm, a deletion request forbids us to get this SA, go home */ - if (entry->driveout_waiting_threads) - { - /* we must signal here, others are interested that we leave */ - pthread_cond_signal(&(entry->condvar)); - this->logger->log(this->logger,CONTROL|LEVEL1,"Drive out waiting thread for existing IKE_SA"); - retval = NOT_FOUND; - } - else - { - this->logger->log(this->logger,CONTROL|LEVEL2,"IKE SA successfully checked out"); - /* ok, this IKE_SA is finally ours */ - entry->checked_out = TRUE; - *ike_sa = entry->ike_sa; - /* DON'T use return, we must unlock the mutex! */ - retval = SUCCESS; - } - } - } - else - { - this->logger->log(this->logger,ERROR | LEVEL1,"IKE SA not stored in known IKE_SA list"); - /* looks like there is no such IKE_SA, better luck next time... */ - /* DON'T use return, we must unlock the mutex! */ - retval = NOT_FOUND; - } - } - else if ((initiator_spi_set && !responder_spi_set) && (!original_initiator)) - { - /* an IKE_SA_INIT from an another endpoint, - * he is the initiator. - * For simplicity, we do NOT check for retransmitted - * IKE_SA_INIT-Requests here, so EVERY single IKE_SA_INIT- - * Request (even a retransmitted one) will result in a - * IKE_SA. This could be improved... - */ - u_int64_t responder_spi; - ike_sa_entry_t *new_ike_sa_entry; - - - /* set SPIs, we are the responder */ - responder_spi = this->get_next_spi(this); - - /* we also set arguments spi, so its still valid */ - ike_sa_id->set_responder_spi(ike_sa_id, responder_spi); - - /* create entry */ - new_ike_sa_entry = ike_sa_entry_create(ike_sa_id); - - this->ike_sa_list->insert_last(this->ike_sa_list, new_ike_sa_entry); - - /* check ike_sa out */ - this->logger->log(this->logger,CONTROL | LEVEL1 ,"IKE_SA added to list of known IKE_SA's"); - new_ike_sa_entry->checked_out = TRUE; - *ike_sa = new_ike_sa_entry->ike_sa; - - retval = CREATED; - } - else - { - /* responder set, initiator not: here is something seriously wrong! */ - this->logger->log(this->logger,ERROR | LEVEL1, "Invalid IKE_SA SPI's"); - /* DON'T use return, we must unlock the mutex! */ - retval = INVALID_ARG; - } - - pthread_mutex_unlock(&(this->mutex)); - /* OK, unlocked... */ - return retval; -} - -/** - * Implementation of of ike_sa_manager.checkout_by_hosts. - */ -static status_t checkout_by_hosts(private_ike_sa_manager_t *this, host_t *me, host_t *other, ike_sa_t **ike_sa) -{ - iterator_t *iterator; - ike_sa_id_t *ike_sa_id = NULL; - - pthread_mutex_lock(&(this->mutex)); - - iterator = this->ike_sa_list->create_iterator(this->ike_sa_list, TRUE); - while (iterator->has_next(iterator)) - { - ike_sa_entry_t *current; - host_t *sa_me, *sa_other; - - iterator->current(iterator, (void**)¤t); - sa_me = current->ike_sa->get_my_host(current->ike_sa); - sa_other = current->ike_sa->get_other_host(current->ike_sa); - - /* one end may be default/any, but not both */ - if (me->is_default_route(me)) - { - if (other->is_default_route(other)) - { - break; - } - if (other->equals(other, sa_other)) - { - /* other matches */ - ike_sa_id = current->ike_sa_id; - } - } - else if (other->is_default_route(other)) - { - if (me->equals(me, sa_me)) - { - /* ME matches */ - ike_sa_id = current->ike_sa_id; - } - } - else - { - if (me->equals(me, sa_me) && other->equals(other, sa_other)) - { - /* both matches */ - ike_sa_id = current->ike_sa_id; - } - } - } - iterator->destroy(iterator); - pthread_mutex_unlock(&(this->mutex)); - - if (ike_sa_id) - { - /* checkout is done in the checkout function, since its rather complex */ - return checkout(this, ike_sa_id, ike_sa); - } - return NOT_FOUND; -} - -/** - * Implementation of ike_sa_manager_t.get_ike_sa_list. - */ -linked_list_t *get_ike_sa_list(private_ike_sa_manager_t* this) -{ - linked_list_t *list; - iterator_t *iterator; - - pthread_mutex_lock(&(this->mutex)); - - list = linked_list_create(); - iterator = this->ike_sa_list->create_iterator(this->ike_sa_list, TRUE); - while (iterator->has_next(iterator)) - { - ike_sa_entry_t *entry; - iterator->current(iterator, (void**)&entry); - list->insert_last(list, (void*)entry->ike_sa_id->clone(entry->ike_sa_id)); - } - iterator->destroy(iterator); - - pthread_mutex_unlock(&(this->mutex)); - return list; -} - -/** - * Implementation of ike_sa_manager_t.log_status. - */ -static void log_status(private_ike_sa_manager_t* this, logger_t* logger, char* name) -{ - iterator_t *iterator; - - pthread_mutex_lock(&(this->mutex)); - - iterator = this->ike_sa_list->create_iterator(this->ike_sa_list, TRUE); - while (iterator->has_next(iterator)) - { - ike_sa_entry_t *entry; - iterator->current(iterator, (void**)&entry); - entry->ike_sa->log_status(entry->ike_sa, logger, name); - } - iterator->destroy(iterator); - - pthread_mutex_unlock(&(this->mutex)); -} - -/** - * Implementation of ike_sa_manager_t.checkin. - */ -static status_t checkin(private_ike_sa_manager_t *this, ike_sa_t *ike_sa) -{ - /* to check the SA back in, we look for the pointer of the ike_sa - * in all entries. - * We can't search by SPI's since the MAY have changed (e.g. on reception - * of a IKE_SA_INIT response). Updating of the SPI MAY be necessary... - */ - status_t retval; - ike_sa_entry_t *entry; - - pthread_mutex_lock(&(this->mutex)); - - /* look for the entry */ - if (this->get_entry_by_sa(this, ike_sa, &entry) == SUCCESS) - { - /* ike_sa_id must be updated */ - entry->ike_sa_id->replace_values(entry->ike_sa_id, ike_sa->get_id(ike_sa)); - /* signal waiting threads */ - entry->checked_out = FALSE; - this->logger->log(this->logger,CONTROL | LEVEL1,"Checkin of IKE_SA successful."); - pthread_cond_signal(&(entry->condvar)); - retval = SUCCESS; - } - else - { - this->logger->log(this->logger,ERROR,"Fatal Error: Tried to checkin nonexisting IKE_SA"); - /* this SA is no more, this REALLY should not happen */ - retval = NOT_FOUND; - } - pthread_mutex_unlock(&(this->mutex)); - return retval; -} - - -/** - * Implementation of ike_sa_manager_t.checkin_and_delete. - */ -static status_t checkin_and_delete(private_ike_sa_manager_t *this, ike_sa_t *ike_sa) -{ - /* deletion is a bit complex, we must garant that no thread is waiting for - * this SA. - * We take this SA from the list, and start signaling while threads - * are in the condvar. - */ - ike_sa_entry_t *entry; - status_t retval; - - pthread_mutex_lock(&(this->mutex)); - - if (this->get_entry_by_sa(this, ike_sa, &entry) == SUCCESS) - { - /* mark it, so now new threads can acquire this SA */ - entry->driveout_new_threads = TRUE; - /* additionaly, drive out waiting threads */ - entry->driveout_waiting_threads = TRUE; - - /* wait until all workers have done their work */ - while (entry->waiting_threads > 0) - { - /* let the other threads do some work*/ - pthread_cond_signal(&(entry->condvar)); - /* and the nice thing, they will wake us again when their work is done */ - pthread_cond_wait(&(entry->condvar), &(this->mutex)); - } - /* ok, we are alone now, no threads waiting in the entry's condvar */ - this->delete_entry(this, entry); - this->logger->log(this->logger,CONTROL | LEVEL1,"Checkin and delete of IKE_SA successful"); - retval = SUCCESS; - } - else - { - this->logger->log(this->logger,ERROR,"Fatal Error: Tried to checkin and delete nonexisting IKE_SA"); - retval = NOT_FOUND; - } - - pthread_mutex_unlock(&(this->mutex)); - return retval; -} - -/** - * Implementation of ike_sa_manager_t.delete. - */ -static status_t delete(private_ike_sa_manager_t *this, ike_sa_id_t *ike_sa_id) -{ - /* deletion is a bit complex, we must garant that no thread is waiting for - * this SA. - * We take this SA from the list, and start signaling while threads - * are in the condvar. - */ - ike_sa_entry_t *entry; - status_t retval; - - pthread_mutex_lock(&(this->mutex)); - - if (this->get_entry_by_id(this, ike_sa_id, &entry) == SUCCESS) - { - /* mark it, so now new threads can acquire this SA */ - entry->driveout_new_threads = TRUE; - - /* wait until all workers have done their work */ - while (entry->waiting_threads) - { - /* wake up all */ - pthread_cond_signal(&(entry->condvar)); - /* and the nice thing, they will wake us again when their work is done */ - pthread_cond_wait(&(entry->condvar), &(this->mutex)); - } - /* ok, we are alone now, no threads waiting in the entry's condvar */ - this->delete_entry(this, entry); - this->logger->log(this->logger,CONTROL | LEVEL1,"Delete of IKE_SA successful"); - retval = SUCCESS; - } - else - { - this->logger->log(this->logger,ERROR,"Fatal Error: Tried to delete nonexisting IKE_SA"); - retval = NOT_FOUND; - } - - pthread_mutex_unlock(&(this->mutex)); - return retval; -} - -/** - * Implementation of ike_sa_manager_t.destroy. - */ -static void destroy(private_ike_sa_manager_t *this) -{ - /* destroy all list entries */ - linked_list_t *list = this->ike_sa_list; - iterator_t *iterator; - ike_sa_entry_t *entry; - - pthread_mutex_lock(&(this->mutex)); - - this->logger->log(this->logger,CONTROL | LEVEL1,"Going to destroy IKE_SA manager and all managed IKE_SA's"); - - /* Step 1: drive out all waiting threads */ - iterator = list->create_iterator(list, TRUE); - - this->logger->log(this->logger,CONTROL | LEVEL2,"Set driveout flags for all stored IKE_SA's"); - while (iterator->has_next(iterator)) - { - iterator->current(iterator, (void**)&entry); - /* do not accept new threads, drive out waiting threads */ - entry->driveout_new_threads = TRUE; - entry->driveout_waiting_threads = TRUE; - } - - this->logger->log(this->logger,CONTROL | LEVEL2,"Wait for all threads to leave IKE_SA's"); - /* Step 2: wait until all are gone */ - iterator->reset(iterator); - while (iterator->has_next(iterator)) - { - iterator->current(iterator, (void**)&entry); - while (entry->waiting_threads) - { - /* wake up all */ - pthread_cond_signal(&(entry->condvar)); - /* go sleeping until they are gone */ - pthread_cond_wait(&(entry->condvar), &(this->mutex)); - } - } - this->logger->log(this->logger,CONTROL | LEVEL2,"Delete all IKE_SA's"); - /* Step 3: delete all entries */ - iterator->destroy(iterator); - - while (list->get_count(list) > 0) - { - list->get_first(list, (void**)&entry); - this->delete_entry(this, entry); - } - list->destroy(list); - this->logger->log(this->logger,CONTROL | LEVEL2,"IKE_SA's deleted"); - pthread_mutex_unlock(&(this->mutex)); - - free(this); -} - -/* - * Described in header. - */ -ike_sa_manager_t *ike_sa_manager_create() -{ - private_ike_sa_manager_t *this = malloc_thing(private_ike_sa_manager_t); - - /* assign public functions */ - this->public.destroy = (void(*)(ike_sa_manager_t*))destroy; - this->public.create_and_checkout = (void(*)(ike_sa_manager_t*,ike_sa_t**))create_and_checkout; - this->public.checkout = (status_t(*)(ike_sa_manager_t*, ike_sa_id_t*,ike_sa_t**))checkout; - this->public.checkout_by_hosts = (status_t(*)(ike_sa_manager_t*,host_t*,host_t*,ike_sa_t**))checkout_by_hosts; - this->public.get_ike_sa_list = (linked_list_t*(*)(ike_sa_manager_t*))get_ike_sa_list; - this->public.log_status = (void(*)(ike_sa_manager_t*,logger_t*,char*))log_status; - this->public.checkin = (status_t(*)(ike_sa_manager_t*,ike_sa_t*))checkin; - this->public.delete = (status_t(*)(ike_sa_manager_t*,ike_sa_id_t*))delete; - this->public.checkin_and_delete = (status_t(*)(ike_sa_manager_t*,ike_sa_t*))checkin_and_delete; - - /* initialize private functions */ - this->get_next_spi = get_next_spi; - this->get_entry_by_sa = get_entry_by_sa; - this->get_entry_by_id = get_entry_by_id; - this->delete_entry = delete_entry; - - /* initialize private variables */ - this->logger = logger_manager->get_logger(logger_manager, IKE_SA_MANAGER); - - this->ike_sa_list = linked_list_create(); - - pthread_mutex_init(&(this->mutex), NULL); - - this->next_spi = 0; - - return (ike_sa_manager_t*)this; -} |