diff options
Diffstat (limited to 'src/libcharon/processing/jobs/process_message_job.c')
-rw-r--r-- | src/libcharon/processing/jobs/process_message_job.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/libcharon/processing/jobs/process_message_job.c b/src/libcharon/processing/jobs/process_message_job.c new file mode 100644 index 000000000..a47d48e38 --- /dev/null +++ b/src/libcharon/processing/jobs/process_message_job.c @@ -0,0 +1,106 @@ +/* + * Copyright (C) 2005-2007 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 "process_message_job.h" + +#include <daemon.h> + +typedef struct private_process_message_job_t private_process_message_job_t; + +/** + * Private data of an process_message_job_t Object + */ +struct private_process_message_job_t { + /** + * public process_message_job_t interface + */ + process_message_job_t public; + + /** + * Message associated with this job + */ + message_t *message; +}; + +/** + * Implements job_t.destroy. + */ +static void destroy(private_process_message_job_t *this) +{ + this->message->destroy(this->message); + free(this); +} + +/** + * Implementation of job_t.execute. + */ +static void execute(private_process_message_job_t *this) +{ + ike_sa_t *ike_sa; + +#ifdef ME + /* if this is an unencrypted INFORMATIONAL exchange it is likely a + * connectivity check. */ + if (this->message->get_exchange_type(this->message) == INFORMATIONAL && + this->message->get_first_payload_type(this->message) != ENCRYPTED) + { + /* theoretically this could also be an error message + * see RFC 4306, section 1.5. */ + DBG1(DBG_NET, "received unencrypted informational: from %#H to %#H", + this->message->get_source(this->message), + this->message->get_destination(this->message)); + charon->connect_manager->process_check(charon->connect_manager, this->message); + destroy(this); + return; + } +#endif /* ME */ + + ike_sa = charon->ike_sa_manager->checkout_by_message(charon->ike_sa_manager, + this->message); + if (ike_sa) + { + DBG1(DBG_NET, "received packet: from %#H to %#H", + this->message->get_source(this->message), + this->message->get_destination(this->message)); + if (ike_sa->process_message(ike_sa, this->message) == DESTROY_ME) + { + charon->ike_sa_manager->checkin_and_destroy(charon->ike_sa_manager, + ike_sa); + } + else + { + charon->ike_sa_manager->checkin(charon->ike_sa_manager, ike_sa); + } + } + destroy(this); +} + +/* + * Described in header + */ +process_message_job_t *process_message_job_create(message_t *message) +{ + private_process_message_job_t *this = malloc_thing(private_process_message_job_t); + + /* interface functions */ + this->public.job_interface.execute = (void (*) (job_t *)) execute; + this->public.job_interface.destroy = (void(*)(job_t*))destroy; + + /* private variables */ + this->message = message; + + return &(this->public); +} |