Annotation of embedaddon/strongswan/src/libimcv/imv/imv_msg.h, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (C) 2012-2014 Andreas Steffen
! 3: * HSR Hochschule fuer Technik Rapperswil
! 4: *
! 5: * This program is free software; you can redistribute it and/or modify it
! 6: * under the terms of the GNU General Public License as published by the
! 7: * Free Software Foundation; either version 2 of the License, or (at your
! 8: * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
! 9: *
! 10: * This program is distributed in the hope that it will be useful, but
! 11: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
! 12: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
! 13: * for more details.
! 14: */
! 15:
! 16: /**
! 17: * @defgroup imv_msg_t imv_msg
! 18: * @{ @ingroup libimcv_imv
! 19: */
! 20:
! 21: #ifndef IMV_MSG_H_
! 22: #define IMV_MSG_H_
! 23:
! 24: #include <imv/imv_agent.h>
! 25:
! 26: typedef struct imv_msg_t imv_msg_t;
! 27:
! 28: #include <library.h>
! 29:
! 30: /**
! 31: * Interface for a PA-TNC message handled by an IMV.
! 32: *
! 33: */
! 34: struct imv_msg_t {
! 35:
! 36: /**
! 37: * Get source ID of PA-TNC message
! 38: *
! 39: * @return src ID
! 40: */
! 41: TNC_UInt32 (*get_src_id)(imv_msg_t *this);
! 42:
! 43: /**
! 44: * Get destination ID of PA-TNC message
! 45: *
! 46: * @return destination ID
! 47: */
! 48: TNC_UInt32 (*get_dst_id)(imv_msg_t *this);
! 49:
! 50: /**
! 51: * Set the type of a PA-TNC message
! 52: *
! 53: * @param msg_type message type
! 54: */
! 55: void (*set_msg_type)(imv_msg_t *this, pen_type_t msg_type);
! 56:
! 57: /**
! 58: * Get the type of a PA-TNC message.
! 59: *
! 60: * @return message type
! 61: */
! 62: pen_type_t (*get_msg_type)(imv_msg_t *this);
! 63:
! 64: /**
! 65: * Sends one or multiple PA-TNC messages
! 66: *
! 67: * @param excl set the excl message flag if supported
! 68: * @return TNC result code
! 69: */
! 70: TNC_Result (*send)(imv_msg_t *this, bool excl);
! 71:
! 72: /**
! 73: * Send a PA-TNC message containing an IETF Assessment Result attribute
! 74: *
! 75: * @return TNC result code
! 76: */
! 77: TNC_Result (*send_assessment)(imv_msg_t *this);
! 78:
! 79: /**
! 80: * Processes a received PA-TNC message
! 81: *
! 82: * @param out_msg outgoing PA-TN message
! 83: * @param fatal_error TRUE if IMC sent a fatal error message
! 84: * @return TNC result code
! 85: */
! 86: TNC_Result (*receive)(imv_msg_t *this, imv_msg_t *out_msg,
! 87: bool *fatal_error);
! 88:
! 89: /**
! 90: * Add a PA-TNC attribute to the send queue
! 91: *
! 92: * @param attr PA-TNC attribute to be added
! 93: */
! 94: void (*add_attribute)(imv_msg_t *this, pa_tnc_attr_t *attr);
! 95:
! 96: /**
! 97: * Get the number of PA-TNC attributes in the send queue
! 98: *
! 99: * @return number of PA-TNC attribute in send queue
! 100: */
! 101: int (*get_attribute_count)(imv_msg_t *this);
! 102:
! 103: /**
! 104: * Enumerator over PA-TNC attributes contained in the PA-TNC message
! 105: *
! 106: * @return PA-TNC attribute enumerator
! 107: */
! 108: enumerator_t* (*create_attribute_enumerator)(imv_msg_t *this);
! 109:
! 110: /**
! 111: * Get the full encoding of an IMV message.
! 112: *
! 113: * @return message encoding, internal data
! 114: */
! 115: chunk_t (*get_encoding)(imv_msg_t *this);
! 116:
! 117: /**
! 118: * Destroys a imv_msg_t object.
! 119: */
! 120: void (*destroy)(imv_msg_t *this);
! 121: };
! 122:
! 123: /**
! 124: * Create a wrapper for an outbound message
! 125: *
! 126: * @param agent IMV agent responsible for the message
! 127: * @param state IMV state for the given connection ID
! 128: * @param connection_id connection ID
! 129: * @param src_id source IMV ID
! 130: * @param dst_id destination IMC ID
! 131: * @param msg_type PA-TNC message type
! 132: */
! 133: imv_msg_t* imv_msg_create(imv_agent_t *agent, imv_state_t *state,
! 134: TNC_ConnectionID connection_id,
! 135: TNC_UInt32 src_id, TNC_UInt32 dst_id,
! 136: pen_type_t msg_type);
! 137:
! 138: /**
! 139: * Create a wrapper for an outbound message based on a received message
! 140: *
! 141: * @param msg received message the reply is based on
! 142: */
! 143: imv_msg_t* imv_msg_create_as_reply(imv_msg_t *msg);
! 144:
! 145: /**
! 146: * Create a wrapper around message data received via the legacy IF-IMV interface
! 147: *
! 148: * @param agent IMV agent responsible for the message
! 149: * @param state IMV state for the given connection ID
! 150: * @param connection_id connection ID
! 151: * @param msg_type PA-TNC message type
! 152: * @param msg received PA-TNC message blob
! 153: */
! 154: imv_msg_t* imv_msg_create_from_data(imv_agent_t *agent, imv_state_t *state,
! 155: TNC_ConnectionID connection_id,
! 156: TNC_MessageType msg_type,
! 157: chunk_t msg);
! 158:
! 159: /**
! 160: * Create a wrapper around message data received via the long IF-IMV interface
! 161: *
! 162: * @param agent IMV agent responsible for the message
! 163: * @param state IMV state for the given connection ID
! 164: * @param connection_id connection ID
! 165: * @param src_id source IMC ID
! 166: * @param dst_id destination IMV ID
! 167: * @param msg_vid PA-TNC message vendor ID
! 168: * @param msg_subtype PA-TNC subtype
! 169: * @param msg received PA-TNC message blob
! 170: */
! 171: imv_msg_t* imv_msg_create_from_long_data(imv_agent_t *agent, imv_state_t *state,
! 172: TNC_ConnectionID connection_id,
! 173: TNC_UInt32 src_id, TNC_UInt32 dst_id,
! 174: TNC_VendorID msg_vid,
! 175: TNC_MessageSubtype msg_subtype,
! 176: chunk_t msg);
! 177:
! 178: #endif /** IMV_MSG_H_ @}*/
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