2 * Copyright 2005-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
13 int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf_, size_t len,
18 #ifndef OPENSSL_NO_SCTP
20 * Check if we have to continue an interrupted handshake for reading
21 * belated app data with SCTP.
23 if ((SSL_in_init(s) && !ossl_statem_get_in_handshake(s)) ||
24 (BIO_dgram_is_sctp(SSL_get_wbio(s)) &&
25 ossl_statem_in_sctp_read_sock(s)))
27 if (SSL_in_init(s) && !ossl_statem_get_in_handshake(s))
30 i = s->handshake_func(s);
34 SSLerr(SSL_F_DTLS1_WRITE_APP_DATA_BYTES,
35 SSL_R_SSL_HANDSHAKE_FAILURE);
40 if (len > SSL3_RT_MAX_PLAIN_LENGTH) {
41 SSLerr(SSL_F_DTLS1_WRITE_APP_DATA_BYTES, SSL_R_DTLS_MESSAGE_TOO_BIG);
45 return dtls1_write_bytes(s, type, buf_, len, written);
48 int dtls1_dispatch_alert(SSL *s)
51 void (*cb) (const SSL *ssl, int type, int val) = NULL;
52 unsigned char buf[DTLS1_AL_HEADER_LENGTH];
53 unsigned char *ptr = &buf[0];
56 s->s3->alert_dispatch = 0;
58 memset(buf, 0, sizeof(buf));
59 *ptr++ = s->s3->send_alert[0];
60 *ptr++ = s->s3->send_alert[1];
62 i = do_dtls1_write(s, SSL3_RT_ALERT, &buf[0], sizeof(buf), 0, &written);
64 s->s3->alert_dispatch = 1;
65 /* fprintf( stderr, "not done with alert\n" ); */
67 if (s->s3->send_alert[0] == SSL3_AL_FATAL)
68 (void)BIO_flush(s->wbio);
71 s->msg_callback(1, s->version, SSL3_RT_ALERT, s->s3->send_alert,
72 2, s, s->msg_callback_arg);
74 if (s->info_callback != NULL)
75 cb = s->info_callback;
76 else if (s->ctx->info_callback != NULL)
77 cb = s->ctx->info_callback;
80 j = (s->s3->send_alert[0] << 8) | s->s3->send_alert[1];
81 cb(s, SSL_CB_WRITE_ALERT, j);