mirror of https://github.com/openssl/openssl.git
				
				
				
			
		
			
				
	
	
		
			74 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			74 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * Copyright 2005-2016 The OpenSSL Project Authors. All Rights Reserved.
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 *
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 * Licensed under the OpenSSL license (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_locl.h"
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int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf_, size_t len,
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                               size_t *written)
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{
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    int i;
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    if (SSL_in_init(s) && !ossl_statem_get_in_handshake(s)) {
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        i = s->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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            SSLerr(SSL_F_DTLS1_WRITE_APP_DATA_BYTES,
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                   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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        SSLerr(SSL_F_DTLS1_WRITE_APP_DATA_BYTES, SSL_R_DTLS_MESSAGE_TOO_BIG);
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        return -1;
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    }
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    return dtls1_write_bytes(s, type, buf_, len, written);
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}
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int dtls1_dispatch_alert(SSL *s)
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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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    s->s3->alert_dispatch = 0;
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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), 0, &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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        if (s->s3->send_alert[0] == SSL3_AL_FATAL)
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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, s, 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 (s->ctx->info_callback != NULL)
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            cb = s->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(s, 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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