diff options
Diffstat (limited to 'src/charon/plugins/uci/uci_config.c')
| -rw-r--r-- | src/charon/plugins/uci/uci_config.c | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/src/charon/plugins/uci/uci_config.c b/src/charon/plugins/uci/uci_config.c new file mode 100644 index 000000000..8f35ccc19 --- /dev/null +++ b/src/charon/plugins/uci/uci_config.c @@ -0,0 +1,247 @@ +/* + * Copyright (C) 2008 Thomas Kallenberg + * Copyright (C) 2008 Tobias Brunner + * Copyright (C) 2008 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. + * + * $Id$ + */ + +#include "uci_config.h" +#include "uci_parser.h" + +#include <daemon.h> + +typedef struct private_uci_config_t private_uci_config_t; + +/** + * Private data of an uci_config_t object + */ +struct private_uci_config_t { + + /** + * Public part + */ + uci_config_t public; + + /** + * UCI parser context + */ + uci_parser_t *parser; +}; + +/** + * enumerator implementation for create_peer_cfg_enumerator + */ +typedef struct { + /** implements enumerator */ + enumerator_t public; + /** currently enumerated peer config */ + peer_cfg_t *peer_cfg; + /** inner uci_parser section enumerator */ + enumerator_t *inner; +} peer_enumerator_t; + +/** + * Implementation of peer_enumerator_t.public.enumerate + */ +static bool peer_enumerator_enumerate(peer_enumerator_t *this, peer_cfg_t **cfg) +{ + char *name, *local_id, *remote_ip; + child_cfg_t *child_cfg; + ike_cfg_t *ike_cfg; + + /* defaults */ + name = "unnamed"; + local_id = "%any"; + remote_ip = "0.0.0.0"; + + if (this->inner->enumerate(this->inner, &name, &local_id, &remote_ip)) + { + DESTROY_IF(this->peer_cfg); + ike_cfg = ike_cfg_create(FALSE, FALSE, "0.0.0.0", remote_ip); + ike_cfg->add_proposal(ike_cfg, proposal_create_default(PROTO_IKE)); + this->peer_cfg = peer_cfg_create( + name, 2, ike_cfg, + identification_create_from_string(local_id), + identification_create_from_encoding(ID_ANY, chunk_empty), + CERT_SEND_IF_ASKED, UNIQUE_NO, CONF_AUTH_PSK, + 0, 0, /* EAP method, vendor */ + 1, 3600*12, 0, /* keytries, rekey, reauth */ + 3600, 1800, /* jitter, overtime */ + TRUE, 60, /* mobike, dpddelay */ + NULL, NULL, /* vip, pool */ + FALSE, NULL, NULL); /* mediation, med by, peer id */ + child_cfg = child_cfg_create( + name, 3600*4, 3600*3, 360, NULL, TRUE, + MODE_TUNNEL, ACTION_NONE, ACTION_NONE, FALSE); + child_cfg->add_proposal(child_cfg, proposal_create_default(PROTO_ESP)); + child_cfg->add_traffic_selector(child_cfg, TRUE, + traffic_selector_create_dynamic(0, 0, 65535)); + child_cfg->add_traffic_selector(child_cfg, FALSE, + traffic_selector_create_dynamic(0, 0, 65535)); + this->peer_cfg->add_child_cfg(this->peer_cfg, child_cfg); + *cfg = this->peer_cfg; + return TRUE; + } + return FALSE; +} + +/** + * Implementation of peer_enumerator_t.public.destroy + */ +static void peer_enumerator_destroy(peer_enumerator_t *this) +{ + DESTROY_IF(this->peer_cfg); + this->inner->destroy(this->inner); + free(this); +} + +/** + * Implementation of backend_t.create_peer_cfg_enumerator. + */ +static enumerator_t* create_peer_cfg_enumerator(private_uci_config_t *this, + identification_t *me, + identification_t *other) +{ + peer_enumerator_t *e = malloc_thing(peer_enumerator_t); + + e->public.enumerate = (void*)peer_enumerator_enumerate; + e->public.destroy = (void*)peer_enumerator_destroy; + e->peer_cfg = NULL; + e->inner = this->parser->create_section_enumerator(this->parser, + "local_id", "remote_ip", NULL); + if (!e->inner) + { + free(e); + return NULL; + } + return &e->public; +} + +/** + * enumerator implementation for create_ike_cfg_enumerator + */ +typedef struct { + /** implements enumerator */ + enumerator_t public; + /** currently enumerated ike config */ + ike_cfg_t *ike_cfg; + /** inner uci_parser section enumerator */ + enumerator_t *inner; +} ike_enumerator_t; + +/** + * Implementation of peer_enumerator_t.public.enumerate + */ +static bool ike_enumerator_enumerate(ike_enumerator_t *this, ike_cfg_t **cfg) +{ + char *name, *remote_ip; + + /* defaults */ + name = "unnamed"; + remote_ip = "0.0.0.0"; + + if (this->inner->enumerate(this->inner, &name, &remote_ip)) + { + DESTROY_IF(this->ike_cfg); + this->ike_cfg = ike_cfg_create(FALSE, FALSE, "0.0.0.0", remote_ip); + this->ike_cfg->add_proposal(this->ike_cfg, + proposal_create_default(PROTO_IKE)); + + *cfg = this->ike_cfg; + return TRUE; + } + return FALSE; +} + +/** + * Implementation of ike_enumerator_t.public.destroy + */ +static void ike_enumerator_destroy(ike_enumerator_t *this) +{ + DESTROY_IF(this->ike_cfg); + this->inner->destroy(this->inner); + free(this); +} + +/** + * Implementation of backend_t.create_ike_cfg_enumerator. + */ +static enumerator_t* create_ike_cfg_enumerator(private_uci_config_t *this, + host_t *me, host_t *other) +{ + ike_enumerator_t *e = malloc_thing(ike_enumerator_t); + + e->public.enumerate = (void*)ike_enumerator_enumerate; + e->public.destroy = (void*)ike_enumerator_destroy; + e->ike_cfg = NULL; + e->inner = this->parser->create_section_enumerator(this->parser, + "remote_ip", NULL); + if (!e->inner) + { + free(e); + return NULL; + } + return &e->public; +} + +/** + * implements backend_t.get_peer_cfg_by_name. + */ +static peer_cfg_t *get_peer_cfg_by_name(private_uci_config_t *this, char *name) +{ + enumerator_t *enumerator; + peer_cfg_t *current, *found = NULL; + + enumerator = create_peer_cfg_enumerator(this, NULL, NULL); + if (enumerator) + { + while (enumerator->enumerate(enumerator, ¤t)) + { + if (streq(name, current->get_name(current))) + { + found = current->get_ref(current); + break; + } + } + enumerator->destroy(enumerator); + } + return found; +} + +/** + * Implementation of uci_config_t.destroy. + */ +static void destroy(private_uci_config_t *this) +{ + free(this); +} + +/** + * Described in header. + */ +uci_config_t *uci_config_create(uci_parser_t *parser) +{ + private_uci_config_t *this = malloc_thing(private_uci_config_t); + + this->public.backend.create_peer_cfg_enumerator = (enumerator_t*(*)(backend_t*, identification_t *me, identification_t *other))create_peer_cfg_enumerator; + this->public.backend.create_ike_cfg_enumerator = (enumerator_t*(*)(backend_t*, host_t *me, host_t *other))create_ike_cfg_enumerator; + this->public.backend.get_peer_cfg_by_name = (peer_cfg_t* (*)(backend_t*,char*))get_peer_cfg_by_name; + this->public.destroy = (void(*)(uci_config_t*))destroy; + + this->parser = parser; + + return &this->public; +} + |