+++ /dev/null
-/*
- * Copyright (c) 2000-2001,2011,2014 Apple Inc. All Rights Reserved.
- *
- * The contents of this file constitute Original Code as defined in and are
- * subject to the Apple Public Source License Version 1.2 (the 'License').
- * You may not use this file except in compliance with the License. Please obtain
- * a copy of the License at http://www.apple.com/publicsource and read it before
- * using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
- * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
- * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
- * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
- * specific language governing rights and limitations under the License.
- */
-
-
-/* crypto/ex_data.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 <stdlib.h>
-#include <openssl/buffer.h>
-#include <openssl/bio.h>
-#include <openssl/lhash.h>
-#include "cryptlib.h"
-
-int CRYPTO_get_ex_new_index(int idx, STACK_OF(CRYPTO_EX_DATA_FUNCS) **skp, long argl, void *argp,
- CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
- {
- int ret= -1;
- CRYPTO_EX_DATA_FUNCS *a;
-
- MemCheck_off();
- if (*skp == NULL)
- *skp=sk_CRYPTO_EX_DATA_FUNCS_new_null();
- if (*skp == NULL)
- {
- CRYPTOerr(CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- a=(CRYPTO_EX_DATA_FUNCS *)Malloc(sizeof(CRYPTO_EX_DATA_FUNCS));
- if (a == NULL)
- {
- CRYPTOerr(CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- a->argl=argl;
- a->argp=argp;
- a->new_func=new_func;
- a->dup_func=dup_func;
- a->free_func=free_func;
- while (sk_CRYPTO_EX_DATA_FUNCS_num(*skp) <= idx)
- {
- if (!sk_CRYPTO_EX_DATA_FUNCS_push(*skp,NULL))
- {
- CRYPTOerr(CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX,ERR_R_MALLOC_FAILURE);
- Free(a);
- goto err;
- }
- }
- sk_CRYPTO_EX_DATA_FUNCS_set(*skp,idx, a);
- ret=idx;
-err:
- MemCheck_on();
- return(idx);
- }
-
-int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, void *val)
- {
- int i;
-
- if (ad->sk == NULL)
- {
- if ((ad->sk=sk_new_null()) == NULL)
- {
- CRYPTOerr(CRYPTO_F_CRYPTO_SET_EX_DATA,ERR_R_MALLOC_FAILURE);
- return(0);
- }
- }
- i=sk_num(ad->sk);
-
- while (i <= idx)
- {
- if (!sk_push(ad->sk,NULL))
- {
- CRYPTOerr(CRYPTO_F_CRYPTO_SET_EX_DATA,ERR_R_MALLOC_FAILURE);
- return(0);
- }
- i++;
- }
- sk_set(ad->sk,idx,val);
- return(1);
- }
-
-void *CRYPTO_get_ex_data(CRYPTO_EX_DATA *ad, int idx)
- {
- if (ad->sk == NULL)
- return(0);
- else if (idx >= sk_num(ad->sk))
- return(0);
- else
- return(sk_value(ad->sk,idx));
- }
-
-/* The callback is called with the 'object', which is the original data object
- * being duplicated, a pointer to the
- * 'new' object to be inserted, the index, and the argi/argp
- */
-int CRYPTO_dup_ex_data(STACK_OF(CRYPTO_EX_DATA_FUNCS) *meth, CRYPTO_EX_DATA *to,
- CRYPTO_EX_DATA *from)
- {
- int i,j,m,r;
- CRYPTO_EX_DATA_FUNCS *mm;
- char *from_d;
-
- if (meth == NULL) return(1);
- if (from->sk == NULL) return(1);
- m=sk_CRYPTO_EX_DATA_FUNCS_num(meth);
- j=sk_num(from->sk);
- for (i=0; i<j; i++)
- {
- from_d=CRYPTO_get_ex_data(from,i);
- if (i < m)
- {
- mm=sk_CRYPTO_EX_DATA_FUNCS_value(meth,i);
- if (mm->dup_func != NULL)
- r=mm->dup_func(to,from,(char **)&from_d,i,
- mm->argl,mm->argp);
- }
- CRYPTO_set_ex_data(to,i,from_d);
- }
- return(1);
- }
-
-/* Call each free callback */
-void CRYPTO_free_ex_data(STACK_OF(CRYPTO_EX_DATA_FUNCS) *meth, void *obj, CRYPTO_EX_DATA *ad)
- {
- CRYPTO_EX_DATA_FUNCS *m;
- void *ptr;
- int i,max;
-
- if (meth != NULL)
- {
- max=sk_CRYPTO_EX_DATA_FUNCS_num(meth);
- for (i=0; i<max; i++)
- {
- m=sk_CRYPTO_EX_DATA_FUNCS_value(meth,i);
- if ((m != NULL) && (m->free_func != NULL))
- {
- ptr=CRYPTO_get_ex_data(ad,i);
- m->free_func(obj,ptr,ad,i,m->argl,m->argp);
- }
- }
- }
- if (ad->sk != NULL)
- {
- sk_free(ad->sk);
- ad->sk=NULL;
- }
- }
-
-void CRYPTO_new_ex_data(STACK_OF(CRYPTO_EX_DATA_FUNCS) *meth, void *obj, CRYPTO_EX_DATA *ad)
- {
- CRYPTO_EX_DATA_FUNCS *m;
- void *ptr;
- int i,max;
-
- ad->sk=NULL;
- if (meth != NULL)
- {
- max=sk_CRYPTO_EX_DATA_FUNCS_num(meth);
- for (i=0; i<max; i++)
- {
- m=sk_CRYPTO_EX_DATA_FUNCS_value(meth,i);
- if ((m != NULL) && (m->new_func != NULL))
- {
- ptr=CRYPTO_get_ex_data(ad,i);
- m->new_func(obj,ptr,ad,i,m->argl,m->argp);
- }
- }
- }
- }
-
-IMPLEMENT_STACK_OF(CRYPTO_EX_DATA_FUNCS)
projects / apple / security.git / blobdiff