Annotation of embedaddon/strongswan/src/libcharon/sa/ike_sa_id.c, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (C) 2012 Tobias Brunner
! 3: * Copyright (C) 2005-2006 Martin Willi
! 4: * Copyright (C) 2005 Jan Hutter
! 5: * HSR Hochschule fuer Technik Rapperswil
! 6: *
! 7: * This program is free software; you can redistribute it and/or modify it
! 8: * under the terms of the GNU General Public License as published by the
! 9: * Free Software Foundation; either version 2 of the License, or (at your
! 10: * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
! 11: *
! 12: * This program is distributed in the hope that it will be useful, but
! 13: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
! 14: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
! 15: * for more details.
! 16: */
! 17:
! 18: #include "ike_sa_id.h"
! 19:
! 20: #include <stdio.h>
! 21: #include <encoding/payloads/ike_header.h>
! 22:
! 23: typedef struct private_ike_sa_id_t private_ike_sa_id_t;
! 24:
! 25: /**
! 26: * Private data of an ike_sa_id_t object.
! 27: */
! 28: struct private_ike_sa_id_t {
! 29: /**
! 30: * Public interface of ike_sa_id_t.
! 31: */
! 32: ike_sa_id_t public;
! 33:
! 34: /**
! 35: * Major IKE version of IKE_SA.
! 36: */
! 37: uint8_t ike_version;
! 38:
! 39: /**
! 40: * SPI of initiator.
! 41: */
! 42: uint64_t initiator_spi;
! 43:
! 44: /**
! 45: * SPI of responder.
! 46: */
! 47: uint64_t responder_spi;
! 48:
! 49: /**
! 50: * Role for specific IKE_SA.
! 51: */
! 52: bool is_initiator_flag;
! 53: };
! 54:
! 55: METHOD(ike_sa_id_t, get_ike_version, uint8_t,
! 56: private_ike_sa_id_t *this)
! 57: {
! 58: return this->ike_version;
! 59: }
! 60:
! 61: METHOD(ike_sa_id_t, set_responder_spi, void,
! 62: private_ike_sa_id_t *this, uint64_t responder_spi)
! 63: {
! 64: this->responder_spi = responder_spi;
! 65: }
! 66:
! 67: METHOD(ike_sa_id_t, set_initiator_spi, void,
! 68: private_ike_sa_id_t *this, uint64_t initiator_spi)
! 69: {
! 70: this->initiator_spi = initiator_spi;
! 71: }
! 72:
! 73: METHOD(ike_sa_id_t, get_initiator_spi, uint64_t,
! 74: private_ike_sa_id_t *this)
! 75: {
! 76: return this->initiator_spi;
! 77: }
! 78:
! 79: METHOD(ike_sa_id_t, get_responder_spi, uint64_t,
! 80: private_ike_sa_id_t *this)
! 81: {
! 82: return this->responder_spi;
! 83: }
! 84:
! 85: METHOD(ike_sa_id_t, equals, bool,
! 86: private_ike_sa_id_t *this, private_ike_sa_id_t *other)
! 87: {
! 88: if (other == NULL)
! 89: {
! 90: return FALSE;
! 91: }
! 92: return this->ike_version == other->ike_version &&
! 93: (this->ike_version == IKEV1_MAJOR_VERSION ||
! 94: this->is_initiator_flag == other->is_initiator_flag) &&
! 95: this->initiator_spi == other->initiator_spi &&
! 96: this->responder_spi == other->responder_spi;
! 97: }
! 98:
! 99: METHOD(ike_sa_id_t, replace_values, void,
! 100: private_ike_sa_id_t *this, private_ike_sa_id_t *other)
! 101: {
! 102: this->ike_version = other->ike_version;
! 103: this->initiator_spi = other->initiator_spi;
! 104: this->responder_spi = other->responder_spi;
! 105: this->is_initiator_flag = other->is_initiator_flag;
! 106: }
! 107:
! 108: METHOD(ike_sa_id_t, is_initiator, bool,
! 109: private_ike_sa_id_t *this)
! 110: {
! 111: return this->is_initiator_flag;
! 112: }
! 113:
! 114: METHOD(ike_sa_id_t, switch_initiator, bool,
! 115: private_ike_sa_id_t *this)
! 116: {
! 117: this->is_initiator_flag = !this->is_initiator_flag;
! 118: return this->is_initiator_flag;
! 119: }
! 120:
! 121: METHOD(ike_sa_id_t, clone_, ike_sa_id_t*,
! 122: private_ike_sa_id_t *this)
! 123: {
! 124: return ike_sa_id_create(this->ike_version, this->initiator_spi,
! 125: this->responder_spi, this->is_initiator_flag);
! 126: }
! 127:
! 128: METHOD(ike_sa_id_t, destroy, void,
! 129: private_ike_sa_id_t *this)
! 130: {
! 131: free(this);
! 132: }
! 133:
! 134: /*
! 135: * Described in header.
! 136: */
! 137: ike_sa_id_t * ike_sa_id_create(uint8_t ike_version, uint64_t initiator_spi,
! 138: uint64_t responder_spi, bool is_initiator_flag)
! 139: {
! 140: private_ike_sa_id_t *this;
! 141:
! 142: INIT(this,
! 143: .public = {
! 144: .get_ike_version = _get_ike_version,
! 145: .set_responder_spi = _set_responder_spi,
! 146: .set_initiator_spi = _set_initiator_spi,
! 147: .get_responder_spi = _get_responder_spi,
! 148: .get_initiator_spi = _get_initiator_spi,
! 149: .equals = (void*)_equals,
! 150: .replace_values = (void*)_replace_values,
! 151: .is_initiator = _is_initiator,
! 152: .switch_initiator = _switch_initiator,
! 153: .clone = _clone_,
! 154: .destroy = _destroy,
! 155: },
! 156: .ike_version = ike_version,
! 157: .initiator_spi = initiator_spi,
! 158: .responder_spi = responder_spi,
! 159: .is_initiator_flag = is_initiator_flag,
! 160: );
! 161:
! 162: return &this->public;
! 163: }
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