diff options
Diffstat (limited to 'Source/charon/encoding/payloads/cp_payload.c')
-rw-r--r-- | Source/charon/encoding/payloads/cp_payload.c | 305 |
1 files changed, 0 insertions, 305 deletions
diff --git a/Source/charon/encoding/payloads/cp_payload.c b/Source/charon/encoding/payloads/cp_payload.c deleted file mode 100644 index 583488382..000000000 --- a/Source/charon/encoding/payloads/cp_payload.c +++ /dev/null @@ -1,305 +0,0 @@ -/** - * @file cp_payload.c - * - * @brief Implementation of cp_payload_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 <stddef.h> - -#include "cp_payload.h" - -#include <encoding/payloads/encodings.h> -#include <utils/linked_list.h> - - -/** - * String mappings for config_type_t. - */ -mapping_t config_type_m[] = { - {CFG_REQUEST, "CFG_REQUEST"}, - {CFG_REPLY, "CFG_REPLY"}, - {CFG_SET, "CFG_SET"}, - {CFG_ACK, "CFG_ACK"}, - {MAPPING_END, NULL} -}; - - -typedef struct private_cp_payload_t private_cp_payload_t; - -/** - * Private data of an cp_payload_t object. - * - */ -struct private_cp_payload_t { - /** - * Public cp_payload_t interface. - */ - cp_payload_t public; - - /** - * Next payload type. - */ - u_int8_t next_payload; - - /** - * Critical flag. - */ - bool critical; - - /** - * Length of this payload. - */ - u_int16_t payload_length; - - /** - * Configuration Attributes in this payload are stored in a linked_list_t. - */ - linked_list_t * attributes; - - /** - * Config Type. - */ - u_int8_t config_type; - - /** - * @brief Computes the length of this payload. - * - * @param this calling private_cp_payload_t object - */ - void (*compute_length) (private_cp_payload_t *this); -}; - -/** - * Encoding rules to parse or generate a IKEv2-CP Payload - * - * The defined offsets are the positions in a object of type - * private_cp_payload_t. - * - */ -encoding_rule_t cp_payload_encodings[] = { - /* 1 Byte next payload type, stored in the field next_payload */ - { U_INT_8, offsetof(private_cp_payload_t, next_payload) }, - /* the critical bit */ - { FLAG, offsetof(private_cp_payload_t, critical) }, - /* 7 Bit reserved bits, nowhere stored */ - { RESERVED_BIT, 0 }, - { RESERVED_BIT, 0 }, - { RESERVED_BIT, 0 }, - { RESERVED_BIT, 0 }, - { RESERVED_BIT, 0 }, - { RESERVED_BIT, 0 }, - { RESERVED_BIT, 0 }, - /* Length of the whole CP payload*/ - { PAYLOAD_LENGTH, offsetof(private_cp_payload_t, payload_length) }, - /* Proposals are stored in a proposal substructure, - offset points to a linked_list_t pointer */ - { U_INT_8, offsetof(private_cp_payload_t, config_type) }, - { RESERVED_BYTE,0 }, - { RESERVED_BYTE,0 }, - { RESERVED_BYTE,0 }, - { CONFIGURATION_ATTRIBUTES, offsetof(private_cp_payload_t, attributes) } -}; - -/* - 1 2 3 - 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - ! Next Payload !C! RESERVED ! Payload Length ! - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - ! CFG Type ! RESERVED ! - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - ! ! - ~ Configuration Attributes ~ - ! ! - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ -*/ - -/** - * Implementation of payload_t.verify. - */ -static status_t verify(private_cp_payload_t *this) -{ - status_t status = SUCCESS; - iterator_t *iterator; - - iterator = this->attributes->create_iterator(this->attributes,TRUE); - - while(iterator->has_next(iterator)) - { - configuration_attribute_t *attribute; - iterator->current(iterator,(void **)&attribute); - status = attribute->payload_interface.verify(&(attribute->payload_interface)); - if (status != SUCCESS) - { - break; - } - } - - iterator->destroy(iterator); - return status; -} - -/** - * Implementation of payload_t.get_encoding_rules. - */ -static void get_encoding_rules(private_cp_payload_t *this, encoding_rule_t **rules, size_t *rule_count) -{ - *rules = cp_payload_encodings; - *rule_count = sizeof(cp_payload_encodings) / sizeof(encoding_rule_t); -} - -/** - * Implementation of payload_t.get_type. - */ -static payload_type_t get_type(private_cp_payload_t *this) -{ - return CONFIGURATION; -} - -/** - * Implementation of payload_t.get_next_type. - */ -static payload_type_t get_next_type(private_cp_payload_t *this) -{ - return (this->next_payload); -} - -/** - * Implementation of payload_t.set_next_type. - */ -static void set_next_type(private_cp_payload_t *this,payload_type_t type) -{ - this->next_payload = type; -} - -/** - * Implementation of payload_t.get_length. - */ -static size_t get_length(private_cp_payload_t *this) -{ - this->compute_length(this); - return this->payload_length; -} - -/** - * Implementation of cp_payload_t.create_configuration_attribute_iterator. - */ -static iterator_t *create_configuration_attribute_iterator (private_cp_payload_t *this,bool forward) -{ - return this->attributes->create_iterator(this->attributes,forward); -} - -/** - * Implementation of cp_payload_t.add_proposal_substructure. - */ -static void add_configuration_attribute (private_cp_payload_t *this,configuration_attribute_t *attribute) -{ - this->attributes->insert_last(this->attributes,(void *) attribute); - this->compute_length(this); -} - -/** - * Implementation of cp_payload_t.set_config_type. - */ -static void set_config_type (private_cp_payload_t *this,config_type_t config_type) -{ - this->config_type = config_type; -} - -/** - * Implementation of cp_payload_t.get_config_type. - */ -static config_type_t get_config_type (private_cp_payload_t *this) -{ - return this->config_type; -} - -/** - * Implementation of private_cp_payload_t.compute_length. - */ -static void compute_length (private_cp_payload_t *this) -{ - iterator_t *iterator; - size_t length = CP_PAYLOAD_HEADER_LENGTH; - iterator = this->attributes->create_iterator(this->attributes,TRUE); - while (iterator->has_next(iterator)) - { - payload_t *current_attribute; - iterator->current(iterator,(void **) ¤t_attribute); - length += current_attribute->get_length(current_attribute); - } - iterator->destroy(iterator); - - this->payload_length = length; -} - -/** - * Implementation of payload_t.destroy and cp_payload_t.destroy. - */ -static status_t destroy(private_cp_payload_t *this) -{ - /* all attributes are getting destroyed */ - while (this->attributes->get_count(this->attributes) > 0) - { - configuration_attribute_t *current_attribute; - this->attributes->remove_last(this->attributes,(void **)¤t_attribute); - current_attribute->destroy(current_attribute); - } - this->attributes->destroy(this->attributes); - - free(this); - - return SUCCESS; -} - -/* - * Described in header. - */ -cp_payload_t *cp_payload_create() -{ - private_cp_payload_t *this = malloc_thing(private_cp_payload_t); - - /* public interface */ - this->public.payload_interface.verify = (status_t (*) (payload_t *))verify; - this->public.payload_interface.get_encoding_rules = (void (*) (payload_t *, encoding_rule_t **, size_t *) ) get_encoding_rules; - this->public.payload_interface.get_length = (size_t (*) (payload_t *)) get_length; - this->public.payload_interface.get_next_type = (payload_type_t (*) (payload_t *)) get_next_type; - this->public.payload_interface.set_next_type = (void (*) (payload_t *,payload_type_t)) set_next_type; - this->public.payload_interface.get_type = (payload_type_t (*) (payload_t *)) get_type; - this->public.payload_interface.destroy = (void (*) (payload_t *))destroy; - - /* public functions */ - this->public.create_configuration_attribute_iterator = (iterator_t* (*) (cp_payload_t *,bool)) create_configuration_attribute_iterator; - this->public.add_configuration_attribute = (void (*) (cp_payload_t *,configuration_attribute_t *)) add_configuration_attribute; - this->public.set_config_type = (void (*) (cp_payload_t *, config_type_t)) set_config_type; - this->public.get_config_type = (config_type_t (*) (cp_payload_t *)) get_config_type; - this->public.destroy = (void (*) (cp_payload_t *)) destroy; - - - /* private functions */ - this->compute_length = compute_length; - - /* set default values of the fields */ - this->critical = FALSE; - this->next_payload = NO_PAYLOAD; - this->payload_length = CP_PAYLOAD_HEADER_LENGTH; - - this->attributes = linked_list_create(); - return (&(this->public)); -} |