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lib/ssl_compat/ssl_compat.c
57 строк
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Todd C. Miller
Make SSL_read_ex and SSL_write_ex wrappers set number of bytes on failure.
13 ноя 2025, 05:59
13 ноя 2025, 05:59
59afb33
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/* * SPDX-License-Identifier: ISC * * Copyright (c) 2023 Todd C. Miller <Todd.Miller@sudo.ws> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <config.h> #if defined(HAVE_OPENSSL) && !defined(HAVE_SSL_READ_EX) # include <sys/types.h> # if defined(HAVE_WOLFSSL) # include <wolfssl/options.h> # endif # include <openssl/ssl.h> # include <sudo_compat.h> # include <sudo_ssl_compat.h> /* * Emulate SSL_read_ex() using SSL_read(). */ int SSL_read_ex(SSL *ssl, void *buf, size_t num, size_t *readbytes) { int nr = SSL_read(ssl, buf, (int)num); if (nr < 0) nr = 0; *readbytes = (size_t)nr; return nr > 0; } /* * Emulate SSL_write_ex() using SSL_write(). */ int SSL_write_ex(SSL *ssl, const void *buf, size_t num, size_t *written) { int nw = SSL_write(ssl, buf, (int)num); if (nw < 0) nw = 0; *written = (size_t)nw; return nw > 0; } #endif /* HAVE_OPENSSL && !HAVE_SSL_READ_EX */