X-Git-Url: https://git.openssl.org/gitweb/?a=blobdiff_plain;f=crypto%2Fbio%2Fbf_nbio.c;h=36deeb82f0f1e8ff82bf839155193942ea997cdd;hb=8f2fe32df26244da7c76ecc691e29c0777648d21;hp=e78bca50597c0ec81f56f71b57f999345a9b71c5;hpb=349807608f31b20af01a342d0072bb92e0b036e2;p=openssl.git diff --git a/crypto/bio/bf_nbio.c b/crypto/bio/bf_nbio.c index e78bca5059..36deeb82f0 100644 --- a/crypto/bio/bf_nbio.c +++ b/crypto/bio/bf_nbio.c @@ -1,65 +1,17 @@ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. - * - * This package is an SSL implementation written - * by Eric Young (eay@cryptsoft.com). - * The implementation was written so as to conform with Netscapes SSL. - * - * This library is free for commercial and non-commercial use as long as - * the following conditions are aheared to. The following conditions - * apply to all code found in this distribution, be it the RC4, RSA, - * lhash, DES, etc., code; not just the SSL code. The SSL documentation - * included with this distribution is covered by the same copyright terms - * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * - * Copyright remains Eric Young's, and as such any Copyright notices in - * the code are not to be removed. - * If this package is used in a product, Eric Young should be given attribution - * as the author of the parts of the library used. - * This can be in the form of a textual message at program startup or - * in documentation (online or textual) provided with the package. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * "This product includes cryptographic software written by - * Eric Young (eay@cryptsoft.com)" - * The word 'cryptographic' can be left out if the rouines from the library - * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from - * the apps directory (application code) you must include an acknowledgement: - * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * - * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. +/* + * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. * - * The licence and distribution terms for any publically available version or - * derivative of this code cannot be changed. i.e. this code cannot simply be - * copied and put under another distribution licence - * [including the GNU Public Licence.] + * Licensed under the Apache License 2.0 (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html */ #include #include +#include "bio_local.h" #include "internal/cryptlib.h" #include -#include /* * BIO_put and BIO_get both add to the digest, BIO_gets returns the digest @@ -72,17 +24,21 @@ static int nbiof_gets(BIO *h, char *str, int size); static long nbiof_ctrl(BIO *h, int cmd, long arg1, void *arg2); static int nbiof_new(BIO *h); static int nbiof_free(BIO *data); -static long nbiof_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp); +static long nbiof_callback_ctrl(BIO *h, int cmd, BIO_info_cb *fp); typedef struct nbio_test_st { /* only set if we sent a 'should retry' error */ int lrn; int lwn; } NBIO_TEST; -static BIO_METHOD methods_nbiof = { +static const BIO_METHOD methods_nbiof = { BIO_TYPE_NBIO_TEST, "non-blocking IO test filter", + /* TODO: Convert to new style write function */ + bwrite_conv, nbiof_write, + /* TODO: Convert to new style read function */ + bread_conv, nbiof_read, nbiof_puts, nbiof_gets, @@ -92,33 +48,35 @@ static BIO_METHOD methods_nbiof = { nbiof_callback_ctrl, }; -BIO_METHOD *BIO_f_nbio_test(void) +const BIO_METHOD *BIO_f_nbio_test(void) { - return (&methods_nbiof); + return &methods_nbiof; } static int nbiof_new(BIO *bi) { NBIO_TEST *nt; - if ((nt = OPENSSL_zalloc(sizeof(*nt))) == NULL) - return (0); + if ((nt = OPENSSL_zalloc(sizeof(*nt))) == NULL) { + BIOerr(BIO_F_NBIOF_NEW, ERR_R_MALLOC_FAILURE); + return 0; + } nt->lrn = -1; nt->lwn = -1; bi->ptr = (char *)nt; bi->init = 1; - return (1); + return 1; } static int nbiof_free(BIO *a) { if (a == NULL) - return (0); + return 0; OPENSSL_free(a->ptr); a->ptr = NULL; a->init = 0; a->flags = 0; - return (1); + return 1; } static int nbiof_read(BIO *b, char *out, int outl) @@ -128,12 +86,12 @@ static int nbiof_read(BIO *b, char *out, int outl) unsigned char n; if (out == NULL) - return (0); + return 0; if (b->next_bio == NULL) - return (0); + return 0; BIO_clear_retry_flags(b); - if (RAND_bytes(&n, 1) <= 0) + if (RAND_priv_bytes(&n, 1) <= 0) return -1; num = (n & 0x07); @@ -148,7 +106,7 @@ static int nbiof_read(BIO *b, char *out, int outl) if (ret < 0) BIO_copy_next_retry(b); } - return (ret); + return ret; } static int nbiof_write(BIO *b, const char *in, int inl) @@ -159,9 +117,9 @@ static int nbiof_write(BIO *b, const char *in, int inl) unsigned char n; if ((in == NULL) || (inl <= 0)) - return (0); + return 0; if (b->next_bio == NULL) - return (0); + return 0; nt = (NBIO_TEST *)b->ptr; BIO_clear_retry_flags(b); @@ -170,7 +128,7 @@ static int nbiof_write(BIO *b, const char *in, int inl) num = nt->lwn; nt->lwn = 0; } else { - if (RAND_bytes(&n, 1) <= 0) + if (RAND_priv_bytes(&n, 1) <= 0) return -1; num = (n & 7); } @@ -188,7 +146,7 @@ static int nbiof_write(BIO *b, const char *in, int inl) nt->lwn = inl; } } - return (ret); + return ret; } static long nbiof_ctrl(BIO *b, int cmd, long num, void *ptr) @@ -196,7 +154,7 @@ static long nbiof_ctrl(BIO *b, int cmd, long num, void *ptr) long ret; if (b->next_bio == NULL) - return (0); + return 0; switch (cmd) { case BIO_C_DO_STATE_MACHINE: BIO_clear_retry_flags(b); @@ -210,33 +168,26 @@ static long nbiof_ctrl(BIO *b, int cmd, long num, void *ptr) ret = BIO_ctrl(b->next_bio, cmd, num, ptr); break; } - return (ret); + return ret; } -static long nbiof_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp) +static long nbiof_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp) { - long ret = 1; - if (b->next_bio == NULL) - return (0); - switch (cmd) { - default: - ret = BIO_callback_ctrl(b->next_bio, cmd, fp); - break; - } - return (ret); + return 0; + return BIO_callback_ctrl(b->next_bio, cmd, fp); } static int nbiof_gets(BIO *bp, char *buf, int size) { if (bp->next_bio == NULL) - return (0); - return (BIO_gets(bp->next_bio, buf, size)); + return 0; + return BIO_gets(bp->next_bio, buf, size); } static int nbiof_puts(BIO *bp, const char *str) { if (bp->next_bio == NULL) - return (0); - return (BIO_puts(bp->next_bio, str)); + return 0; + return BIO_puts(bp->next_bio, str); }