80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
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/*
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* Copyright 2005-2023 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include "ssl_local.h"
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int dtls1_write_app_data_bytes(SSL *s, uint8_t type, const void *buf_,
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size_t len, size_t *written)
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{
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int i;
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SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
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if (sc == NULL)
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return -1;
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if (SSL_in_init(s) && !ossl_statem_get_in_handshake(sc)) {
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i = sc->handshake_func(s);
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if (i < 0)
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return i;
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if (i == 0) {
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ERR_raise(ERR_LIB_SSL, SSL_R_SSL_HANDSHAKE_FAILURE);
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return -1;
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}
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}
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if (len > SSL3_RT_MAX_PLAIN_LENGTH) {
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ERR_raise(ERR_LIB_SSL, SSL_R_DTLS_MESSAGE_TOO_BIG);
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return -1;
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}
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return dtls1_write_bytes(sc, type, buf_, len, written);
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}
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int dtls1_dispatch_alert(SSL *ssl)
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{
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int i, j;
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void (*cb) (const SSL *ssl, int type, int val) = NULL;
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unsigned char buf[DTLS1_AL_HEADER_LENGTH];
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unsigned char *ptr = &buf[0];
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size_t written;
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SSL_CONNECTION *s = SSL_CONNECTION_FROM_SSL_ONLY(ssl);
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if (s == NULL)
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return 0;
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s->s3.alert_dispatch = SSL_ALERT_DISPATCH_NONE;
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memset(buf, 0, sizeof(buf));
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*ptr++ = s->s3.send_alert[0];
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*ptr++ = s->s3.send_alert[1];
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i = do_dtls1_write(s, SSL3_RT_ALERT, &buf[0], sizeof(buf), &written);
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if (i <= 0) {
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s->s3.alert_dispatch = 1;
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/* fprintf(stderr, "not done with alert\n"); */
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} else {
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(void)BIO_flush(s->wbio);
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if (s->msg_callback)
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s->msg_callback(1, s->version, SSL3_RT_ALERT, s->s3.send_alert,
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2, ssl, s->msg_callback_arg);
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if (s->info_callback != NULL)
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cb = s->info_callback;
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else if (ssl->ctx->info_callback != NULL)
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cb = ssl->ctx->info_callback;
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if (cb != NULL) {
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j = (s->s3.send_alert[0] << 8) | s->s3.send_alert[1];
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cb(ssl, SSL_CB_WRITE_ALERT, j);
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}
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}
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return i;
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}
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