diff options
Diffstat (limited to 'ics-openvpn-stripped/main/openssl/crypto/buffer/buffer.c')
| -rw-r--r-- | ics-openvpn-stripped/main/openssl/crypto/buffer/buffer.c | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/ics-openvpn-stripped/main/openssl/crypto/buffer/buffer.c b/ics-openvpn-stripped/main/openssl/crypto/buffer/buffer.c deleted file mode 100644 index d4a4ce43..00000000 --- a/ics-openvpn-stripped/main/openssl/crypto/buffer/buffer.c +++ /dev/null @@ -1,203 +0,0 @@ -/* crypto/buffer/buffer.c */ -/* 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. - * - * 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.] - */ - -#include <stdio.h> -#include "cryptlib.h" -#include <openssl/buffer.h> - -/* LIMIT_BEFORE_EXPANSION is the maximum n such that (n+3)/3*4 < 2**31. That - * function is applied in several functions in this file and this limit ensures - * that the result fits in an int. */ -#define LIMIT_BEFORE_EXPANSION 0x5ffffffc - -BUF_MEM *BUF_MEM_new(void) - { - BUF_MEM *ret; - - ret=OPENSSL_malloc(sizeof(BUF_MEM)); - if (ret == NULL) - { - BUFerr(BUF_F_BUF_MEM_NEW,ERR_R_MALLOC_FAILURE); - return(NULL); - } - ret->length=0; - ret->max=0; - ret->data=NULL; - return(ret); - } - -void BUF_MEM_free(BUF_MEM *a) - { - if(a == NULL) - return; - - if (a->data != NULL) - { - memset(a->data,0,(unsigned int)a->max); - OPENSSL_free(a->data); - } - OPENSSL_free(a); - } - -int BUF_MEM_grow(BUF_MEM *str, size_t len) - { - char *ret; - size_t n; - - if (str->length >= len) - { - str->length=len; - return(len); - } - if (str->max >= len) - { - memset(&str->data[str->length],0,len-str->length); - str->length=len; - return(len); - } - /* This limit is sufficient to ensure (len+3)/3*4 < 2**31 */ - if (len > LIMIT_BEFORE_EXPANSION) - { - BUFerr(BUF_F_BUF_MEM_GROW,ERR_R_MALLOC_FAILURE); - return 0; - } - n=(len+3)/3*4; - if (str->data == NULL) - ret=OPENSSL_malloc(n); - else - ret=OPENSSL_realloc(str->data,n); - if (ret == NULL) - { - BUFerr(BUF_F_BUF_MEM_GROW,ERR_R_MALLOC_FAILURE); - len=0; - } - else - { - str->data=ret; - str->max=n; - memset(&str->data[str->length],0,len-str->length); - str->length=len; - } - return(len); - } - -int BUF_MEM_grow_clean(BUF_MEM *str, size_t len) - { - char *ret; - size_t n; - - if (str->length >= len) - { - memset(&str->data[len],0,str->length-len); - str->length=len; - return(len); - } - if (str->max >= len) - { - memset(&str->data[str->length],0,len-str->length); - str->length=len; - return(len); - } - /* This limit is sufficient to ensure (len+3)/3*4 < 2**31 */ - if (len > LIMIT_BEFORE_EXPANSION) - { - BUFerr(BUF_F_BUF_MEM_GROW_CLEAN,ERR_R_MALLOC_FAILURE); - return 0; - } - n=(len+3)/3*4; - if (str->data == NULL) - ret=OPENSSL_malloc(n); - else - ret=OPENSSL_realloc_clean(str->data,str->max,n); - if (ret == NULL) - { - BUFerr(BUF_F_BUF_MEM_GROW_CLEAN,ERR_R_MALLOC_FAILURE); - len=0; - } - else - { - str->data=ret; - str->max=n; - memset(&str->data[str->length],0,len-str->length); - str->length=len; - } - return(len); - } - -void BUF_reverse(unsigned char *out, const unsigned char *in, size_t size) - { - size_t i; - if (in) - { - out += size - 1; - for (i = 0; i < size; i++) - *out-- = *in++; - } - else - { - unsigned char *q; - char c; - q = out + size - 1; - for (i = 0; i < size/2; i++) - { - c = *q; - *q-- = *out; - *out++ = c; - } - } - } |