xref: /onnv-gate/usr/src/common/openssl/crypto/objects/obj_lib.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /* crypto/objects/obj_lib.c */
2*0Sstevel@tonic-gate /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3*0Sstevel@tonic-gate  * All rights reserved.
4*0Sstevel@tonic-gate  *
5*0Sstevel@tonic-gate  * This package is an SSL implementation written
6*0Sstevel@tonic-gate  * by Eric Young (eay@cryptsoft.com).
7*0Sstevel@tonic-gate  * The implementation was written so as to conform with Netscapes SSL.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * This library is free for commercial and non-commercial use as long as
10*0Sstevel@tonic-gate  * the following conditions are aheared to.  The following conditions
11*0Sstevel@tonic-gate  * apply to all code found in this distribution, be it the RC4, RSA,
12*0Sstevel@tonic-gate  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13*0Sstevel@tonic-gate  * included with this distribution is covered by the same copyright terms
14*0Sstevel@tonic-gate  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15*0Sstevel@tonic-gate  *
16*0Sstevel@tonic-gate  * Copyright remains Eric Young's, and as such any Copyright notices in
17*0Sstevel@tonic-gate  * the code are not to be removed.
18*0Sstevel@tonic-gate  * If this package is used in a product, Eric Young should be given attribution
19*0Sstevel@tonic-gate  * as the author of the parts of the library used.
20*0Sstevel@tonic-gate  * This can be in the form of a textual message at program startup or
21*0Sstevel@tonic-gate  * in documentation (online or textual) provided with the package.
22*0Sstevel@tonic-gate  *
23*0Sstevel@tonic-gate  * Redistribution and use in source and binary forms, with or without
24*0Sstevel@tonic-gate  * modification, are permitted provided that the following conditions
25*0Sstevel@tonic-gate  * are met:
26*0Sstevel@tonic-gate  * 1. Redistributions of source code must retain the copyright
27*0Sstevel@tonic-gate  *    notice, this list of conditions and the following disclaimer.
28*0Sstevel@tonic-gate  * 2. Redistributions in binary form must reproduce the above copyright
29*0Sstevel@tonic-gate  *    notice, this list of conditions and the following disclaimer in the
30*0Sstevel@tonic-gate  *    documentation and/or other materials provided with the distribution.
31*0Sstevel@tonic-gate  * 3. All advertising materials mentioning features or use of this software
32*0Sstevel@tonic-gate  *    must display the following acknowledgement:
33*0Sstevel@tonic-gate  *    "This product includes cryptographic software written by
34*0Sstevel@tonic-gate  *     Eric Young (eay@cryptsoft.com)"
35*0Sstevel@tonic-gate  *    The word 'cryptographic' can be left out if the rouines from the library
36*0Sstevel@tonic-gate  *    being used are not cryptographic related :-).
37*0Sstevel@tonic-gate  * 4. If you include any Windows specific code (or a derivative thereof) from
38*0Sstevel@tonic-gate  *    the apps directory (application code) you must include an acknowledgement:
39*0Sstevel@tonic-gate  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40*0Sstevel@tonic-gate  *
41*0Sstevel@tonic-gate  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42*0Sstevel@tonic-gate  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43*0Sstevel@tonic-gate  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44*0Sstevel@tonic-gate  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45*0Sstevel@tonic-gate  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46*0Sstevel@tonic-gate  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47*0Sstevel@tonic-gate  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48*0Sstevel@tonic-gate  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49*0Sstevel@tonic-gate  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50*0Sstevel@tonic-gate  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51*0Sstevel@tonic-gate  * SUCH DAMAGE.
52*0Sstevel@tonic-gate  *
53*0Sstevel@tonic-gate  * The licence and distribution terms for any publically available version or
54*0Sstevel@tonic-gate  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55*0Sstevel@tonic-gate  * copied and put under another distribution licence
56*0Sstevel@tonic-gate  * [including the GNU Public Licence.]
57*0Sstevel@tonic-gate  */
58*0Sstevel@tonic-gate 
59*0Sstevel@tonic-gate #include <stdio.h>
60*0Sstevel@tonic-gate #include "cryptlib.h"
61*0Sstevel@tonic-gate #include <openssl/lhash.h>
62*0Sstevel@tonic-gate #include <openssl/objects.h>
63*0Sstevel@tonic-gate #include <openssl/buffer.h>
64*0Sstevel@tonic-gate 
OBJ_dup(const ASN1_OBJECT * o)65*0Sstevel@tonic-gate ASN1_OBJECT *OBJ_dup(const ASN1_OBJECT *o)
66*0Sstevel@tonic-gate 	{
67*0Sstevel@tonic-gate 	ASN1_OBJECT *r;
68*0Sstevel@tonic-gate 	int i;
69*0Sstevel@tonic-gate 	char *ln=NULL;
70*0Sstevel@tonic-gate 
71*0Sstevel@tonic-gate 	if (o == NULL) return(NULL);
72*0Sstevel@tonic-gate 	if (!(o->flags & ASN1_OBJECT_FLAG_DYNAMIC))
73*0Sstevel@tonic-gate 		return((ASN1_OBJECT *)o); /* XXX: ugh! Why? What kind of
74*0Sstevel@tonic-gate 					     duplication is this??? */
75*0Sstevel@tonic-gate 
76*0Sstevel@tonic-gate 	r=ASN1_OBJECT_new();
77*0Sstevel@tonic-gate 	if (r == NULL)
78*0Sstevel@tonic-gate 		{
79*0Sstevel@tonic-gate 		OBJerr(OBJ_F_OBJ_DUP,ERR_R_ASN1_LIB);
80*0Sstevel@tonic-gate 		return(NULL);
81*0Sstevel@tonic-gate 		}
82*0Sstevel@tonic-gate 	r->data=OPENSSL_malloc(o->length);
83*0Sstevel@tonic-gate 	if (r->data == NULL)
84*0Sstevel@tonic-gate 		goto err;
85*0Sstevel@tonic-gate 	memcpy(r->data,o->data,o->length);
86*0Sstevel@tonic-gate 	r->length=o->length;
87*0Sstevel@tonic-gate 	r->nid=o->nid;
88*0Sstevel@tonic-gate 	r->ln=r->sn=NULL;
89*0Sstevel@tonic-gate 	if (o->ln != NULL)
90*0Sstevel@tonic-gate 		{
91*0Sstevel@tonic-gate 		i=strlen(o->ln)+1;
92*0Sstevel@tonic-gate 		r->ln=ln=OPENSSL_malloc(i);
93*0Sstevel@tonic-gate 		if (r->ln == NULL) goto err;
94*0Sstevel@tonic-gate 		memcpy(ln,o->ln,i);
95*0Sstevel@tonic-gate 		}
96*0Sstevel@tonic-gate 
97*0Sstevel@tonic-gate 	if (o->sn != NULL)
98*0Sstevel@tonic-gate 		{
99*0Sstevel@tonic-gate 		char *s;
100*0Sstevel@tonic-gate 
101*0Sstevel@tonic-gate 		i=strlen(o->sn)+1;
102*0Sstevel@tonic-gate 		r->sn=s=OPENSSL_malloc(i);
103*0Sstevel@tonic-gate 		if (r->sn == NULL) goto err;
104*0Sstevel@tonic-gate 		memcpy(s,o->sn,i);
105*0Sstevel@tonic-gate 		}
106*0Sstevel@tonic-gate 	r->flags=o->flags|(ASN1_OBJECT_FLAG_DYNAMIC|
107*0Sstevel@tonic-gate 		ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|ASN1_OBJECT_FLAG_DYNAMIC_DATA);
108*0Sstevel@tonic-gate 	return(r);
109*0Sstevel@tonic-gate err:
110*0Sstevel@tonic-gate 	OBJerr(OBJ_F_OBJ_DUP,ERR_R_MALLOC_FAILURE);
111*0Sstevel@tonic-gate 	if (r != NULL)
112*0Sstevel@tonic-gate 		{
113*0Sstevel@tonic-gate 		if (ln != NULL) OPENSSL_free(ln);
114*0Sstevel@tonic-gate 		if (r->data != NULL) OPENSSL_free(r->data);
115*0Sstevel@tonic-gate 		OPENSSL_free(r);
116*0Sstevel@tonic-gate 		}
117*0Sstevel@tonic-gate 	return(NULL);
118*0Sstevel@tonic-gate 	}
119*0Sstevel@tonic-gate 
OBJ_cmp(const ASN1_OBJECT * a,const ASN1_OBJECT * b)120*0Sstevel@tonic-gate int OBJ_cmp(const ASN1_OBJECT *a, const ASN1_OBJECT *b)
121*0Sstevel@tonic-gate 	{
122*0Sstevel@tonic-gate 	int ret;
123*0Sstevel@tonic-gate 
124*0Sstevel@tonic-gate 	ret=(a->length-b->length);
125*0Sstevel@tonic-gate 	if (ret) return(ret);
126*0Sstevel@tonic-gate 	return(memcmp(a->data,b->data,a->length));
127*0Sstevel@tonic-gate 	}
128