52 lines
1.9 KiB
C
52 lines
1.9 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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/* DTLS BIO send */
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int ac_bio_send(struct capwap_dtls* dtls, char* buffer, int length, void* param) {
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struct ac_session_t* session = (struct ac_session_t*)param;
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struct capwap_socket* socket = ((dtls->session == CAPWAP_DTLS_CONTROL_SESSION) ? &session->ctrlsocket : &session->datasocket);
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struct sockaddr_storage* wtpaddress = ((dtls->session == CAPWAP_DTLS_CONTROL_SESSION) ? &session->wtpctrladdress : &session->wtpdataaddress);
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struct sockaddr_storage* acaddress = ((dtls->session == CAPWAP_DTLS_CONTROL_SESSION) ? &session->acctrladdress : &session->acdataaddress);
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return capwap_sendto(socket->socket[socket->type], buffer, length, acaddress, wtpaddress);
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}
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/* */
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int ac_dfa_state_dtlssetup(struct ac_session_t* session, struct capwap_packet* packet) {
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int status = AC_DFA_ACCEPT_PACKET;
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ASSERT(session != NULL);
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ASSERT(packet == NULL);
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/* Create DTLS session */
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if (!capwap_crypt_createsession(&session->ctrldtls, CAPWAP_DTLS_CONTROL_SESSION, &g_ac.dtlscontext, ac_bio_send, session)) {
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ac_dfa_change_state(session, CAPWAP_DTLS_SETUP_TO_IDLE_STATE); /* TODO */
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status = AC_DFA_NO_PACKET;
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} else {
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if (capwap_crypt_open(&session->ctrldtls, &session->wtpctrladdress) == CAPWAP_HANDSHAKE_ERROR) {
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ac_dfa_change_state(session, CAPWAP_DTLS_SETUP_TO_IDLE_STATE); /* TODO */
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status = AC_DFA_NO_PACKET;
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} else {
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ac_dfa_change_state(session, CAPWAP_DTLS_CONNECT_STATE);
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}
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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_dtlsconnect(struct ac_session_t* session, struct capwap_packet* packet) {
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ASSERT(session != NULL);
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ASSERT(packet == NULL);
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ac_dfa_change_state(session, CAPWAP_DTLS_CONNECT_TO_DTLS_TEARDOWN_STATE); /* TODO */
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return AC_DFA_NO_PACKET;
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}
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/* */
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int ac_dfa_state_dtlsconnect_to_dtlsteardown(struct ac_session_t* session, struct capwap_packet* packet) {
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return ac_session_teardown_connection(session);
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}
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