X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/80e2389990082500d76eb566d4946be3e786c3ef..d8f41ccd20de16f8ebe2ccc84d47bf1cb2b26bbb:/Security/libsecurity_apple_csp/open_ssl/ex_data.c diff --git a/Security/libsecurity_apple_csp/open_ssl/ex_data.c b/Security/libsecurity_apple_csp/open_ssl/ex_data.c new file mode 100644 index 00000000..6b1aa4e5 --- /dev/null +++ b/Security/libsecurity_apple_csp/open_ssl/ex_data.c @@ -0,0 +1,241 @@ +/* + * 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 +#include +#include +#include +#include +#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; idup_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; ifree_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; inew_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)