/* $OpenBSD: obj_lib.c,v 1.17 2022/11/26 16:08:53 tb Exp $ */ /* 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 #include "asn1_local.h" ASN1_OBJECT * OBJ_dup(const ASN1_OBJECT *o) { ASN1_OBJECT *r; char *ln = NULL, *sn = NULL; unsigned char *data = NULL; if (o == NULL) return (NULL); if (!(o->flags & ASN1_OBJECT_FLAG_DYNAMIC)) return((ASN1_OBJECT *)o); /* XXX: ugh! Why? What kind of duplication is this??? */ r = ASN1_OBJECT_new(); if (r == NULL) { OBJerror(ERR_R_ASN1_LIB); return (NULL); } data = malloc(o->length); if (data == NULL) goto err; if (o->data != NULL) memcpy(data, o->data, o->length); /* once data attached to object it remains const */ r->data = data; r->length = o->length; r->nid = o->nid; r->ln = r->sn = NULL; if (o->ln != NULL) { ln = strdup(o->ln); if (ln == NULL) goto err; r->ln = ln; } if (o->sn != NULL) { sn = strdup(o->sn); if (sn == NULL) goto err; r->sn = sn; } r->flags = o->flags | (ASN1_OBJECT_FLAG_DYNAMIC | ASN1_OBJECT_FLAG_DYNAMIC_STRINGS | ASN1_OBJECT_FLAG_DYNAMIC_DATA); return (r); err: OBJerror(ERR_R_MALLOC_FAILURE); free(ln); free(sn); free(data); free(r); return (NULL); } int OBJ_cmp(const ASN1_OBJECT *a, const ASN1_OBJECT *b) { int ret; ret = (a->length - b->length); if (ret) return (ret); return (memcmp(a->data, b->data, a->length)); }