87 lines
3.6 KiB
C
87 lines
3.6 KiB
C
#include "ac.h"
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#include "capwap_dfa.h"
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#include "capwap_array.h"
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#include "ac_session.h"
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/* */
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int ac_dfa_state_configure(struct ac_session_t* session, struct capwap_parsed_packet* packet) {
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unsigned long i;
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unsigned short binding;
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struct capwap_header_data capwapheader;
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struct capwap_packet_txmng* txmngpacket;
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int status = AC_DFA_ACCEPT_PACKET;
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ASSERT(session != NULL);
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if (packet) {
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binding = GET_WBID_HEADER(packet->rxmngpacket->header);
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/* TODO: gestione richiesta */
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/* Create response */
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capwap_header_init(&capwapheader, CAPWAP_RADIOID_NONE, binding);
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txmngpacket = capwap_packet_txmng_create_ctrl_message(&capwapheader, CAPWAP_CONFIGURATION_STATUS_RESPONSE, packet->rxmngpacket->ctrlmsg.seq, session->mtu);
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/* Add message element */
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capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_TIMERS, &session->dfa.timers);
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for (i = 0; i < packet->messageelements.radioadmstate->count; i++) {
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struct capwap_decrypterrorreportperiod_element report;
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struct capwap_radioadmstate_element* radioadm = *(struct capwap_radioadmstate_element**)capwap_array_get_item_pointer(packet->messageelements.radioadmstate, i);
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report.radioid = radioadm->radioid;
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report.interval = session->dfa.decrypterrorreport_interval;
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capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_DECRYPTERRORREPORTPERIOD, &report);
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}
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capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_IDLETIMEOUT, &session->dfa.idletimeout);
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capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_WTPFALLBACK, &session->dfa.wtpfallback);
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if (session->dfa.acipv4list.addresses->count > 0) {
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capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_ACIPV4LIST, &session->dfa.acipv4list);
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}
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if (session->dfa.acipv6list.addresses->count > 0) {
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capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_ACIPV6LIST, &session->dfa.acipv6list);
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}
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/* CAPWAP_CREATE_RADIOOPRSTATE_ELEMENT */ /* TODO */
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/* CAPWAP_CREATE_WTPSTATICIPADDRESS_ELEMENT */ /* TODO */
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/* CAPWAP_CREATE_VENDORSPECIFICPAYLOAD_ELEMENT */ /* TODO */
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/* Configure response complete, get fragment packets */
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ac_free_reference_last_response(session);
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capwap_packet_txmng_get_fragment_packets(txmngpacket, session->responsefragmentpacket, session->fragmentid);
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if (session->responsefragmentpacket->count > 1) {
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session->fragmentid++;
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}
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/* Free packets manager */
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capwap_packet_txmng_free(txmngpacket);
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/* Save remote sequence number */
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session->remoteseqnumber = packet->rxmngpacket->ctrlmsg.seq;
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capwap_get_packet_digest(packet->rxmngpacket, packet->connection, session->lastrecvpackethash);
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/* Send Configure response to WTP */
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if (!capwap_crypt_sendto_fragmentpacket(&session->ctrldtls, session->ctrlsocket.socket[session->ctrlsocket.type], session->responsefragmentpacket, &session->acctrladdress, &session->wtpctrladdress)) {
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/* Response is already created and saved. When receive a re-request, DFA autoresponse */
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capwap_logging_debug("Warning: error to send configuration status response packet");
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}
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/* Change state */
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ac_dfa_change_state(session, CAPWAP_DATA_CHECK_STATE);
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capwap_set_timeout(session->dfa.rfcChangeStatePendingTimer, &session->timeout, CAPWAP_TIMER_CONTROL_CONNECTION);
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} else {
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/* Configure timeout */
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ac_dfa_change_state(session, CAPWAP_CONFIGURE_TO_DTLS_TEARDOWN_STATE);
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status = AC_DFA_NO_PACKET;
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}
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return status;
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}
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/* */
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int ac_dfa_state_configure_to_dtlsteardown(struct ac_session_t* session, struct capwap_parsed_packet* packet) {
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return ac_session_teardown_connection(session);
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}
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