mirror of https://github.com/sudo-project/sudo.git
65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/*
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* SPDX-License-Identifier: ISC
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*
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* Copyright (c) 2023 Todd C. Miller <Todd.Miller@sudo.ws>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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* This is an open source non-commercial project. Dear PVS-Studio, please check it.
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* PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
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*/
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#include <config.h>
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#if defined(HAVE_OPENSSL) && !defined(HAVE_SSL_READ_EX)
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# include <sys/types.h>
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# if defined(HAVE_WOLFSSL)
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# include <wolfssl/options.h>
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# endif
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# include <openssl/ssl.h>
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# include <sudo_compat.h>
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# include <sudo_ssl_compat.h>
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/*
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* Emulate SSL_read_ex() using SSL_read().
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* Unlike the real SSL_read_ex(), this can return -1 on error.
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*/
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int
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SSL_read_ex(SSL *ssl, void *buf, size_t num, size_t *readbytes)
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{
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int nr = SSL_read(ssl, buf, (int)num);
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if (nr <= 0)
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return nr;
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*readbytes = (size_t)nr;
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return 1;
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}
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/*
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* Emulate SSL_write_ex() using SSL_write().
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* Unlike the real SSL_write_ex(), this can return -1 on error.
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*/
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int
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SSL_write_ex(SSL *ssl, const void *buf, size_t num, size_t *written)
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{
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int nw = SSL_write(ssl, buf, (int)num);
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if (nw <= 0)
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return nw;
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*written = (size_t)nw;
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return 1;
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}
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#endif /* HAVE_OPENSSL && !HAVE_SSL_READ_EX */
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