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-rw-r--r--src/charon/config/backend_manager.c444
1 files changed, 0 insertions, 444 deletions
diff --git a/src/charon/config/backend_manager.c b/src/charon/config/backend_manager.c
deleted file mode 100644
index 90ef58563..000000000
--- a/src/charon/config/backend_manager.c
+++ /dev/null
@@ -1,444 +0,0 @@
-/*
- * Copyright (C) 2007-2009 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 "backend_manager.h"
-
-#include <sys/types.h>
-
-#include <daemon.h>
-#include <utils/linked_list.h>
-#include <threading/rwlock.h>
-
-
-typedef struct private_backend_manager_t private_backend_manager_t;
-
-/**
- * Private data of an backend_manager_t object.
- */
-struct private_backend_manager_t {
-
- /**
- * Public part of backend_manager_t object.
- */
- backend_manager_t public;
-
- /**
- * list of registered backends
- */
- linked_list_t *backends;
-
- /**
- * rwlock for backends
- */
- rwlock_t *lock;
-};
-
-/**
- * match of an ike_cfg
- */
-typedef enum ike_cfg_match_t {
- MATCH_NONE = 0x00,
- MATCH_ANY = 0x01,
- MATCH_ME = 0x04,
- MATCH_OTHER = 0x08,
-} ike_cfg_match_t;
-
-/**
- * data to pass nested IKE enumerator
- */
-typedef struct {
- private_backend_manager_t *this;
- host_t *me;
- host_t *other;
-} ike_data_t;
-
-/**
- * inner enumerator constructor for IKE cfgs
- */
-static enumerator_t *ike_enum_create(backend_t *backend, ike_data_t *data)
-{
- return backend->create_ike_cfg_enumerator(backend, data->me, data->other);
-}
-
-/**
- * get a match of a candidate ike_cfg for two hosts
- */
-static ike_cfg_match_t get_ike_match(ike_cfg_t *cand, host_t *me, host_t *other)
-{
- host_t *me_cand, *other_cand;
- ike_cfg_match_t match = MATCH_NONE;
-
- if (me)
- {
- me_cand = host_create_from_dns(cand->get_my_addr(cand),
- me->get_family(me), 0);
- if (!me_cand)
- {
- return MATCH_NONE;
- }
- if (me_cand->ip_equals(me_cand, me))
- {
- match += MATCH_ME;
- }
- else if (me_cand->is_anyaddr(me_cand))
- {
- match += MATCH_ANY;
- }
- me_cand->destroy(me_cand);
- }
- else
- {
- match += MATCH_ANY;
- }
-
- if (other)
- {
- other_cand = host_create_from_dns(cand->get_other_addr(cand),
- other->get_family(other), 0);
- if (!other_cand)
- {
- return MATCH_NONE;
- }
- if (other_cand->ip_equals(other_cand, other))
- {
- match += MATCH_OTHER;
- }
- else if (other_cand->is_anyaddr(other_cand))
- {
- match += MATCH_ANY;
- }
- other_cand->destroy(other_cand);
- }
- else
- {
- match += MATCH_ANY;
- }
- return match;
-}
-
-/**
- * implements backend_manager_t.get_ike_cfg.
- */
-static ike_cfg_t *get_ike_cfg(private_backend_manager_t *this,
- host_t *me, host_t *other)
-{
- ike_cfg_t *current, *found = NULL;
- enumerator_t *enumerator;
- ike_cfg_match_t match, best = MATCH_ANY;
- ike_data_t *data;
-
- data = malloc_thing(ike_data_t);
- data->this = this;
- data->me = me;
- data->other = other;
-
- DBG2(DBG_CFG, "looking for an ike config for %H...%H", me, other);
-
- this->lock->read_lock(this->lock);
- enumerator = enumerator_create_nested(
- this->backends->create_enumerator(this->backends),
- (void*)ike_enum_create, data, (void*)free);
- while (enumerator->enumerate(enumerator, (void**)&current))
- {
- match = get_ike_match(current, me, other);
-
- if (match)
- {
- DBG2(DBG_CFG, " candidate: %s...%s, prio %d",
- current->get_my_addr(current),
- current->get_other_addr(current), match);
- if (match > best)
- {
- DESTROY_IF(found);
- found = current;
- found->get_ref(found);
- best = match;
- }
- }
- }
- enumerator->destroy(enumerator);
- this->lock->unlock(this->lock);
- if (found)
- {
- DBG2(DBG_CFG, "found matching ike config: %s...%s with prio %d",
- found->get_my_addr(found), found->get_other_addr(found), best);
- }
- return found;
-}
-
-/**
- * Get the best ID match in one of the configs auth_cfg
- */
-static id_match_t get_peer_match(identification_t *id,
- peer_cfg_t *cfg, bool local)
-{
- enumerator_t *enumerator;
- auth_cfg_t *auth;
- identification_t *candidate;
- id_match_t match = ID_MATCH_NONE;
-
- if (!id)
- {
- return ID_MATCH_ANY;
- }
-
- /* compare first auth config only */
- enumerator = cfg->create_auth_cfg_enumerator(cfg, local);
- if (enumerator->enumerate(enumerator, &auth))
- {
- candidate = auth->get(auth, AUTH_RULE_IDENTITY);
- if (candidate)
- {
- match = id->matches(id, candidate);
- /* match vice-versa, as the proposed IDr might be ANY */
- if (!match)
- {
- match = candidate->matches(candidate, id);
- }
- }
- else
- {
- match = ID_MATCH_ANY;
- }
- }
- enumerator->destroy(enumerator);
- return match;
-}
-
-/**
- * data to pass nested peer enumerator
- */
-typedef struct {
- rwlock_t *lock;
- identification_t *me;
- identification_t *other;
-} peer_data_t;
-
-/**
- * list element to help sorting
- */
-typedef struct {
- id_match_t match_peer;
- ike_cfg_match_t match_ike;
- peer_cfg_t *cfg;
-} match_entry_t;
-
-/**
- * inner enumerator constructor for peer cfgs
- */
-static enumerator_t *peer_enum_create(backend_t *backend, peer_data_t *data)
-{
- return backend->create_peer_cfg_enumerator(backend, data->me, data->other);
-}
-
-/**
- * unlock/cleanup peer enumerator
- */
-static void peer_enum_destroy(peer_data_t *data)
-{
- data->lock->unlock(data->lock);
- free(data);
-}
-
-/**
- * convert enumerator value from match_entry to config
- */
-static bool peer_enum_filter(linked_list_t *configs,
- match_entry_t **in, peer_cfg_t **out)
-{
- *out = (*in)->cfg;
- return TRUE;
-}
-
-/**
- * Clean up temporary config list
- */
-static void peer_enum_filter_destroy(linked_list_t *configs)
-{
- match_entry_t *entry;
-
- while (configs->remove_last(configs, (void**)&entry) == SUCCESS)
- {
- entry->cfg->destroy(entry->cfg);
- free(entry);
- }
- configs->destroy(configs);
-}
-
-/**
- * Insert entry into match-sorted list, using helper
- */
-static void insert_sorted(match_entry_t *entry, linked_list_t *list,
- linked_list_t *helper)
-{
- match_entry_t *current;
-
- while (list->remove_first(list, (void**)&current) == SUCCESS)
- {
- helper->insert_last(helper, current);
- }
- while (helper->remove_first(helper, (void**)&current) == SUCCESS)
- {
- if (entry && (
- (entry->match_ike > current->match_ike &&
- entry->match_peer >= current->match_peer) ||
- (entry->match_ike >= current->match_ike &&
- entry->match_peer > current->match_peer)))
- {
- list->insert_last(list, entry);
- entry = NULL;
- }
- list->insert_last(list, current);
- }
- if (entry)
- {
- list->insert_last(list, entry);
- }
-}
-
-/**
- * Implements backend_manager_t.create_peer_cfg_enumerator.
- */
-static enumerator_t *create_peer_cfg_enumerator(private_backend_manager_t *this,
- host_t *me, host_t *other, identification_t *my_id,
- identification_t *other_id)
-{
- enumerator_t *enumerator;
- peer_data_t *data;
- peer_cfg_t *cfg;
- linked_list_t *configs, *helper;
-
- data = malloc_thing(peer_data_t);
- data->lock = this->lock;
- data->me = my_id;
- data->other = other_id;
-
- /* create a sorted list with all matches */
- this->lock->read_lock(this->lock);
- enumerator = enumerator_create_nested(
- this->backends->create_enumerator(this->backends),
- (void*)peer_enum_create, data, (void*)peer_enum_destroy);
-
- if (!me && !other && !my_id && !other_id)
- { /* shortcut if we are doing a "listall" */
- return enumerator;
- }
-
- DBG1(DBG_CFG, "looking for peer configs matching %H[%Y]...%H[%Y]",
- me, my_id, other, other_id);
-
- configs = linked_list_create();
- /* only once allocated helper list for sorting */
- helper = linked_list_create();
- while (enumerator->enumerate(enumerator, &cfg))
- {
- id_match_t match_peer_me, match_peer_other;
- ike_cfg_match_t match_ike;
- match_entry_t *entry;
-
- match_peer_me = get_peer_match(my_id, cfg, TRUE);
- match_peer_other = get_peer_match(other_id, cfg, FALSE);
- match_ike = get_ike_match(cfg->get_ike_cfg(cfg), me, other);
-
- if (match_peer_me && match_peer_other && match_ike)
- {
- DBG2(DBG_CFG, " candidate \"%s\", match: %d/%d/%d (me/other/ike)",
- cfg->get_name(cfg), match_peer_me, match_peer_other, match_ike);
-
- entry = malloc_thing(match_entry_t);
- entry->match_peer = match_peer_me + match_peer_other;
- entry->match_ike = match_ike;
- entry->cfg = cfg->get_ref(cfg);
- insert_sorted(entry, configs, helper);
- }
- }
- enumerator->destroy(enumerator);
- helper->destroy(helper);
-
- return enumerator_create_filter(configs->create_enumerator(configs),
- (void*)peer_enum_filter, configs,
- (void*)peer_enum_filter_destroy);
-}
-
-/**
- * implements backend_manager_t.get_peer_cfg_by_name.
- */
-static peer_cfg_t *get_peer_cfg_by_name(private_backend_manager_t *this, char *name)
-{
- backend_t *backend;
- peer_cfg_t *config = NULL;
- enumerator_t *enumerator;
-
- this->lock->read_lock(this->lock);
- enumerator = this->backends->create_enumerator(this->backends);
- while (config == NULL && enumerator->enumerate(enumerator, (void**)&backend))
- {
- config = backend->get_peer_cfg_by_name(backend, name);
- }
- enumerator->destroy(enumerator);
- this->lock->unlock(this->lock);
- return config;
-}
-
-/**
- * Implementation of backend_manager_t.remove_backend.
- */
-static void remove_backend(private_backend_manager_t *this, backend_t *backend)
-{
- this->lock->write_lock(this->lock);
- this->backends->remove(this->backends, backend, NULL);
- this->lock->unlock(this->lock);
-}
-
-/**
- * Implementation of backend_manager_t.add_backend.
- */
-static void add_backend(private_backend_manager_t *this, backend_t *backend)
-{
- this->lock->write_lock(this->lock);
- this->backends->insert_last(this->backends, backend);
- this->lock->unlock(this->lock);
-}
-
-/**
- * Implementation of backend_manager_t.destroy.
- */
-static void destroy(private_backend_manager_t *this)
-{
- this->backends->destroy(this->backends);
- this->lock->destroy(this->lock);
- free(this);
-}
-
-/*
- * Described in header-file
- */
-backend_manager_t *backend_manager_create()
-{
- private_backend_manager_t *this = malloc_thing(private_backend_manager_t);
-
- this->public.get_ike_cfg = (ike_cfg_t* (*)(backend_manager_t*, host_t*, host_t*))get_ike_cfg;
- this->public.get_peer_cfg_by_name = (peer_cfg_t* (*)(backend_manager_t*,char*))get_peer_cfg_by_name;
- this->public.create_peer_cfg_enumerator = (enumerator_t* (*)(backend_manager_t*,host_t*,host_t*,identification_t*,identification_t*))create_peer_cfg_enumerator;
- this->public.add_backend = (void(*)(backend_manager_t*, backend_t *backend))add_backend;
- this->public.remove_backend = (void(*)(backend_manager_t*, backend_t *backend))remove_backend;
- this->public.destroy = (void (*)(backend_manager_t*))destroy;
-
- this->backends = linked_list_create();
- this->lock = rwlock_create(RWLOCK_TYPE_DEFAULT);
-
- return &this->public;
-}
-