82 lines
1.9 KiB
C
82 lines
1.9 KiB
C
/*
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This file is part of actube.
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actube is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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libcapwap is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Foobar. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file
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* @brief Implements dtls_gnutls_connect
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*/
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#include "gnutls/dtls.h"
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#include "dtls.h"
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#include "dtls_gnutls.h"
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#include "conn.h"
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#include "log.h"
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#include "dbg.h"
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#include "sock.h"
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/**
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* Establish a DTLS connection using gnutls library
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* @see #dtls_connect
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*/
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int dtls_gnutls_connect(struct conn *conn)
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{
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int rc;
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char sock_buf[SOCK_ADDR_BUFSIZE];
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struct dtls_gnutls_data *d;
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d = dtls_gnutls_data_create(conn,
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GNUTLS_CLIENT | GNUTLS_DATAGRAM | GNUTLS_NONBLOCK);
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if (!d)
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return 0;
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/*// gnutls_dh_set_prime_bits(d->session, 512);*/
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/*#if GNUTLS_VERSION_NUMBER >= 0x030100
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gnutls_handshake_set_timeout(d->session, GNUTLS_DEFAULT_HANDSHAKE_TIMEOUT);
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gnutls_dtls_set_data_mtu(d->session, 1500);
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#endif
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gnutls_dtls_set_mtu(d->session, 1500);
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*/
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cw_dbg(DBG_DTLS,"Starting handshake");
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do {
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rc = gnutls_handshake(d->session);
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} while (rc == GNUTLS_E_AGAIN);
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if (rc < 0) {
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cw_log(LOG_ERR, "DTLS (gnutls) Can't connect to %s: %s",
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sock_addr2str(&conn->addr,sock_buf), gnutls_strerror(rc));
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return 0;
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}
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cw_dbg(DBG_DTLS, "Handshake with %s successful", sock_addr2str(&conn->addr,sock_buf));
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conn->dtls_data = d;
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conn->read = dtls_gnutls_read;
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conn->write = dtls_gnutls_write;
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return 1;
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}
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