129 lines
2.5 KiB
C
129 lines
2.5 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 Functions for OpenSSL BIO
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*/
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#include <errno.h>
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#include <arpa/inet.h>
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#include "dtls_openssl.h"
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#include "dtls_common.h"
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#include <openssl/bio.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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BIO_METHOD *dtls_openssl_bio_method()
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{
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static BIO_METHOD bio_methods;
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bio_methods.type = BIO_TYPE_DGRAM;
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bio_methods.name = "CW packet";
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bio_methods.bwrite = dtls_openssl_bio_write;
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bio_methods.bread = dtls_openssl_bio_read;
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bio_methods.bputs = dtls_openssl_bio_puts;
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bio_methods.bgets = 0;
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bio_methods.ctrl = dtls_openssl_bio_ctrl;
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bio_methods.create = dtls_openssl_bio_new;
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bio_methods.destroy = dtls_openssl_bio_free;
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bio_methods.callback_ctrl = 0;
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return &bio_methods;
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}
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int dtls_openssl_bio_write(BIO * b, const char *data, int len)
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{
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struct conn *conn = b->ptr;
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return dtls_bio_write(conn, data, len);
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}
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int dtls_openssl_bio_read(BIO * b, char *out, int maxlen)
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{
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struct conn *conn = b->ptr;
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return dtls_bio_read(conn, out, maxlen);
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}
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int dtls_openssl_bio_new(BIO * bi)
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{
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bi->init = 1;
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bi->num = 0;
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bi->flags = 0;
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bi->ptr = NULL;
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cw_dbg(DBG_DTLS_BIO, "Creating new OpenSSL BIO");
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return 1;
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}
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int dtls_openssl_bio_puts(BIO * b, const char *str)
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{
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cw_dbg(DBG_DTLS_BIO, "SSL BIO puts: '%s'", str);
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return dtls_openssl_bio_write(b, str, strlen(str));
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}
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int dtls_openssl_bio_free(BIO * bio)
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{
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if (bio == NULL)
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return 0;
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return 1;
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}
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long dtls_openssl_bio_ctrl(BIO * b, int cmd, long num, void *ptr)
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{
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struct conn *conn = b->ptr;
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long ret = 1;
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switch (cmd) {
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case BIO_CTRL_DUP:
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ret = 1;
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break;
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case BIO_CTRL_FLUSH:
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ret = 1;
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break;
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case BIO_CTRL_DGRAM_QUERY_MTU:
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case BIO_CTRL_DGRAM_GET_MTU:
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ret = conn->dtls_mtu;
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break;
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case BIO_CTRL_DGRAM_SET_MTU:
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ret = 1;
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break;
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default:
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ret = 0;
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break;
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}
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return ret;
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}
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