-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2023 The OpenSSL Project Authors. 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.
- *
- * 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 <stdio.h>
#include <errno.h>
+#include "bio_local.h"
#include "internal/cryptlib.h"
-#include <openssl/bio.h>
#include <openssl/evp.h>
static int linebuffer_write(BIO *h, const char *buf, int num);
static long linebuffer_ctrl(BIO *h, int cmd, long arg1, void *arg2);
static int linebuffer_new(BIO *h);
static int linebuffer_free(BIO *data);
-static long linebuffer_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp);
+static long linebuffer_callback_ctrl(BIO *h, int cmd, BIO_info_cb *fp);
/* A 10k maximum should be enough for most purposes */
#define DEFAULT_LINEBUFFER_SIZE 1024*10
/* #define DEBUG */
-static BIO_METHOD methods_linebuffer = {
+static const BIO_METHOD methods_linebuffer = {
BIO_TYPE_LINEBUFFER,
"linebuffer",
+ bwrite_conv,
linebuffer_write,
+ bread_conv,
linebuffer_read,
linebuffer_puts,
linebuffer_gets,
linebuffer_callback_ctrl,
};
-BIO_METHOD *BIO_f_linebuffer(void)
+const BIO_METHOD *BIO_f_linebuffer(void)
{
- return (&methods_linebuffer);
+ return &methods_linebuffer;
}
typedef struct bio_linebuffer_ctx_struct {
{
BIO_LINEBUFFER_CTX *ctx;
- ctx = OPENSSL_malloc(sizeof(*ctx));
- if (ctx == NULL)
- return (0);
+ if ((ctx = OPENSSL_malloc(sizeof(*ctx))) == NULL)
+ return 0;
ctx->obuf = OPENSSL_malloc(DEFAULT_LINEBUFFER_SIZE);
if (ctx->obuf == NULL) {
OPENSSL_free(ctx);
- return (0);
+ return 0;
}
ctx->obuf_size = DEFAULT_LINEBUFFER_SIZE;
ctx->obuf_len = 0;
bi->init = 1;
bi->ptr = (char *)ctx;
bi->flags = 0;
- return (1);
+ return 1;
}
static int linebuffer_free(BIO *a)
BIO_LINEBUFFER_CTX *b;
if (a == NULL)
- return (0);
+ return 0;
b = (BIO_LINEBUFFER_CTX *)a->ptr;
OPENSSL_free(b->obuf);
OPENSSL_free(a->ptr);
a->ptr = NULL;
a->init = 0;
a->flags = 0;
- return (1);
+ return 1;
}
static int linebuffer_read(BIO *b, char *out, int outl)
int ret = 0;
if (out == NULL)
- return (0);
+ return 0;
if (b->next_bio == NULL)
- return (0);
+ return 0;
ret = BIO_read(b->next_bio, out, outl);
BIO_clear_retry_flags(b);
BIO_copy_next_retry(b);
- return (ret);
+ return ret;
}
static int linebuffer_write(BIO *b, const char *in, int inl)
BIO_LINEBUFFER_CTX *ctx;
if ((in == NULL) || (inl <= 0))
- return (0);
+ return 0;
ctx = (BIO_LINEBUFFER_CTX *)b->ptr;
if ((ctx == NULL) || (b->next_bio == NULL))
- return (0);
+ return 0;
BIO_clear_retry_flags(b);
do {
const char *p;
+ char c;
- for (p = in; p < in + inl && *p != '\n'; p++) ;
- if (*p == '\n') {
+ for (p = in, c = '\0'; p < in + inl && (c = *p) != '\n'; p++) ;
+ if (c == '\n') {
p++;
foundnl = 1;
} else
if (i < 0)
return ((num > 0) ? num : i);
if (i == 0)
- return (num);
+ return num;
}
if (i < ctx->obuf_len)
memmove(ctx->obuf, ctx->obuf + i, ctx->obuf_len - i);
if (i < 0)
return ((num > 0) ? num : i);
if (i == 0)
- return (num);
+ return num;
}
num += i;
in += i;
case BIO_CTRL_RESET:
ctx->obuf_len = 0;
if (b->next_bio == NULL)
- return (0);
+ return 0;
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
break;
case BIO_CTRL_INFO:
ret = (long)ctx->obuf_len;
if (ret == 0) {
if (b->next_bio == NULL)
- return (0);
+ return 0;
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
}
break;
case BIO_C_SET_BUFF_SIZE:
+ if (num > INT_MAX)
+ return 0;
obs = (int)num;
p = ctx->obuf;
if ((obs > DEFAULT_LINEBUFFER_SIZE) && (obs != ctx->obuf_size)) {
- p = OPENSSL_malloc((int)num);
+ p = OPENSSL_malloc((size_t)obs);
if (p == NULL)
- goto malloc_error;
+ return 0;
}
if (ctx->obuf != p) {
if (ctx->obuf_len > obs) {
break;
case BIO_C_DO_STATE_MACHINE:
if (b->next_bio == NULL)
- return (0);
+ return 0;
BIO_clear_retry_flags(b);
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
BIO_copy_next_retry(b);
case BIO_CTRL_FLUSH:
if (b->next_bio == NULL)
- return (0);
+ return 0;
if (ctx->obuf_len <= 0) {
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ BIO_copy_next_retry(b);
break;
}
r = BIO_write(b->next_bio, ctx->obuf, ctx->obuf_len);
BIO_copy_next_retry(b);
if (r <= 0)
- return ((long)r);
+ return (long)r;
if (r < ctx->obuf_len)
memmove(ctx->obuf, ctx->obuf + r, ctx->obuf_len - r);
ctx->obuf_len -= r;
} else {
ctx->obuf_len = 0;
- ret = 1;
break;
}
}
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ BIO_copy_next_retry(b);
break;
case BIO_CTRL_DUP:
dbio = (BIO *)ptr;
- if (!BIO_set_write_buffer_size(dbio, ctx->obuf_size))
+ if (BIO_set_write_buffer_size(dbio, ctx->obuf_size) <= 0)
ret = 0;
break;
default:
if (b->next_bio == NULL)
- return (0);
+ return 0;
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
break;
}
- return (ret);
- malloc_error:
- BIOerr(BIO_F_LINEBUFFER_CTRL, ERR_R_MALLOC_FAILURE);
- return (0);
+ return ret;
}
-static long linebuffer_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
+static long linebuffer_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 linebuffer_gets(BIO *b, char *buf, int size)
{
if (b->next_bio == NULL)
- return (0);
- return (BIO_gets(b->next_bio, buf, size));
+ return 0;
+ return BIO_gets(b->next_bio, buf, size);
}
static int linebuffer_puts(BIO *b, const char *str)
{
- return (linebuffer_write(b, str, strlen(str)));
+ return linebuffer_write(b, str, strlen(str));
}
projects / openssl.git / blobdiff