[thirdparty/openssl.git] / crypto / objects / obj_xref.c

/* crypto/objects/obj_xref.c */
/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
 * project 2006.
 */
/* ====================================================================
 * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
 *
 * 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 above 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 acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    licensing@OpenSSL.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED 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 OpenSSL PROJECT OR
 * ITS 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.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */

#include <openssl/objects.h>
#include "obj_xref.h"

DECLARE_STACK_OF(nid_triple)
STACK_OF(nid_triple) *sig_app, *sigx_app;

static int cmp_sig(const nid_triple *a, const nid_triple *b)
	{
	return a->sign_id - b->sign_id;
	}

DECLARE_OBJ_BSEARCH_CMP_FN(const nid_triple, const nid_triple, cmp_sig);
IMPLEMENT_OBJ_BSEARCH_CMP_FN(const nid_triple, const nid_triple, cmp_sig)

static int cmp_sig_sk(const nid_triple * const *a, const nid_triple * const *b)
	{
	return (*a)->sign_id - (*b)->sign_id;
	}

DECLARE_OBJ_BSEARCH_CMP_FN(const nid_triple *, const nid_triple *, cmp_sigx);

static int cmp_sigx(const nid_triple * const *a, const nid_triple * const *b)
	{
	int ret;
	ret = (*a)->hash_id - (*b)->hash_id;
	if (ret)
		return ret;
	return (*a)->pkey_id - (*b)->pkey_id;
	}

IMPLEMENT_OBJ_BSEARCH_CMP_FN(const nid_triple *, const nid_triple *, cmp_sigx)

int OBJ_find_sigid_algs(int signid, int *pdig_nid, int *ppkey_nid)
	{
	nid_triple tmp;
	const nid_triple *rv = NULL;
	tmp.sign_id = signid;

	if (sig_app)
		{
		int idx = sk_nid_triple_find(sig_app, &tmp);
		if (idx >= 0)
			rv = sk_nid_triple_value(sig_app, idx);
		}

#ifndef OBJ_XREF_TEST2
	if (rv == NULL)
		{
		rv = OBJ_bsearch(const nid_triple,&tmp,
				 const nid_triple,sigoid_srt,
				 sizeof(sigoid_srt) / sizeof(nid_triple),
				 cmp_sig);
		}
#endif
	if (rv == NULL)
		return 0;
	*pdig_nid = rv->hash_id;
	*ppkey_nid = rv->pkey_id;
	return 1;
	}

int OBJ_find_sigid_by_algs(int *psignid, int dig_nid, int pkey_nid)
	{
	nid_triple tmp;
	const nid_triple const *t=&tmp;
	const nid_triple **rv = NULL;

	tmp.hash_id = dig_nid;
	tmp.pkey_id = pkey_nid;

	if (sigx_app)
		{
		int idx = sk_nid_triple_find(sigx_app, &tmp);
		if (idx >= 0)
			{
			t = sk_nid_triple_value(sigx_app, idx);
			rv = &t;
			}
		}

#ifndef OBJ_XREF_TEST2
	if (rv == NULL)
		{
		rv = OBJ_bsearch(const nid_triple *,&t,
				 const nid_triple *,sigoid_srt_xref,
				 sizeof(sigoid_srt_xref) / sizeof(nid_triple *),
				 cmp_sigx);
		}
#endif
	if (rv == NULL)
		return 0;
	*psignid = (*rv)->sign_id;
	return 1;
	}

int OBJ_add_sigid(int signid, int dig_id, int pkey_id)
	{
	nid_triple *ntr;
	if (!sig_app)
		sig_app = sk_nid_triple_new(cmp_sig_sk);
	if (!sig_app)
		return 0;
	if (!sigx_app)
		sigx_app = sk_nid_triple_new(cmp_sigx);
	if (!sigx_app)
		return 0;
	ntr = OPENSSL_malloc(sizeof(int) * 3);
	if (!ntr)
		return 0;
	ntr->sign_id = signid;
	ntr->hash_id = dig_id;
	ntr->pkey_id = pkey_id;

	if (!sk_nid_triple_push(sig_app, ntr))
		{
		OPENSSL_free(ntr);
		return 0;
		}

	if (!sk_nid_triple_push(sigx_app, ntr))
		return 0;

	sk_nid_triple_sort(sig_app);
	sk_nid_triple_sort(sigx_app);

	return 1;
	}

static void sid_free(nid_triple *tt)
	{
	OPENSSL_free(tt);
	}

void OBJ_sigid_free(void)
	{
	if (sig_app)
		{
		sk_nid_triple_pop_free(sig_app, sid_free);
		sig_app = NULL;
		}
	if (sigx_app)
		{
		sk_nid_triple_free(sigx_app);
		sigx_app = NULL;
		}
	}
		
#ifdef OBJ_XREF_TEST

main()
	{
	int n1, n2, n3;

	int i, rv;
#ifdef OBJ_XREF_TEST2
	for (i = 0; i <	sizeof(sigoid_srt) / sizeof(nid_triple); i++)
		{
		OBJ_add_sigid(sigoid_srt[i][0], sigoid_srt[i][1],
				sigoid_srt[i][2]);
		}
#endif

	for (i = 0; i <	sizeof(sigoid_srt) / sizeof(nid_triple); i++)
		{
		n1 = sigoid_srt[i][0];
		rv = OBJ_find_sigid_algs(n1, &n2, &n3);
		printf("Forward: %d, %s %s %s\n", rv,
			OBJ_nid2ln(n1), OBJ_nid2ln(n2), OBJ_nid2ln(n3));
		n1=0;
		rv = OBJ_find_sigid_by_algs(&n1, n2, n3);
		printf("Reverse: %d, %s %s %s\n", rv,
			OBJ_nid2ln(n1), OBJ_nid2ln(n2), OBJ_nid2ln(n3));
		}
	}
	
#endif
Commit	Line	Data
d2027098 DSH	1	/* crypto/objects/obj_xref.c */
	2	/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
	3	* project 2006.
	4	*/
	5	/* ====================================================================
	6	* Copyright (c) 2006 The OpenSSL Project. All rights reserved.
	7	*
	8	* Redistribution and use in source and binary forms, with or without
	9	* modification, are permitted provided that the following conditions
	10	* are met:
	11	*
	12	* 1. Redistributions of source code must retain the above copyright
	13	* notice, this list of conditions and the following disclaimer.
	14	*
	15	* 2. Redistributions in binary form must reproduce the above copyright
	16	* notice, this list of conditions and the following disclaimer in
	17	* the documentation and/or other materials provided with the
	18	* distribution.
	19	*
	20	* 3. All advertising materials mentioning features or use of this
	21	* software must display the following acknowledgment:
	22	* "This product includes software developed by the OpenSSL Project
	23	* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
	24	*
	25	* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
	26	* endorse or promote products derived from this software without
	27	* prior written permission. For written permission, please contact
	28	* licensing@OpenSSL.org.
	29	*
	30	* 5. Products derived from this software may not be called "OpenSSL"
	31	* nor may "OpenSSL" appear in their names without prior written
	32	* permission of the OpenSSL Project.
	33	*
	34	* 6. Redistributions of any form whatsoever must retain the following
	35	* acknowledgment:
	36	* "This product includes software developed by the OpenSSL Project
	37	* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
	38	*
	39	* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
	40	* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	41	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	42	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
	43	* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	44	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	45	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	46	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	47	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	48	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	49	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
	50	* OF THE POSSIBILITY OF SUCH DAMAGE.
	51	* ====================================================================
	52	*
	53	* This product includes cryptographic software written by Eric Young
	54	* (eay@cryptsoft.com). This product includes software written by Tim
	55	* Hudson (tjh@cryptsoft.com).
	56	*
	57	*/
	58
	59	#include <openssl/objects.h>
	60	#include "obj_xref.h"
	61
d4cdbab9	62	DECLARE_STACK_OF(nid_triple)
5ce278a7	63	STACK_OF(nid_triple) sig_app, sigx_app;
0ee2166c	64
d2027098 DSH	65	static int cmp_sig(const nid_triple a, const nid_triple b)
d2027098 DSH	66	{
babb3798	67	return a->sign_id - b->sign_id;
d2027098 DSH	68	}
d2027098 DSH	69
babb3798 BL	70	DECLARE_OBJ_BSEARCH_CMP_FN(const nid_triple, const nid_triple, cmp_sig);
	71	IMPLEMENT_OBJ_BSEARCH_CMP_FN(const nid_triple, const nid_triple, cmp_sig)
	72
5ce278a7	73	static int cmp_sig_sk(const nid_triple * const a, const nid_triple const *b)
0ee2166c	74	{
babb3798	75	return (a)->sign_id - (b)->sign_id;
0ee2166c DSH	76	}
0ee2166c DSH	77
babb3798 BL	78	DECLARE_OBJ_BSEARCH_CMP_FN(const nid_triple , const nid_triple , cmp_sigx);
babb3798 BL	79
5ce278a7	80	static int cmp_sigx(const nid_triple * const a, const nid_triple const *b)
d2027098 DSH	81	{
d2027098 DSH	82	int ret;
babb3798	83	ret = (a)->hash_id - (b)->hash_id;
d2027098 DSH	84	if (ret)
d2027098 DSH	85	return ret;
babb3798	86	return (a)->pkey_id - (b)->pkey_id;
d2027098 DSH	87	}
d2027098 DSH	88
babb3798	89	IMPLEMENT_OBJ_BSEARCH_CMP_FN(const nid_triple , const nid_triple , cmp_sigx)
d2027098 DSH	90
	91	int OBJ_find_sigid_algs(int signid, int pdig_nid, int ppkey_nid)
	92	{
babb3798 BL	93	nid_triple tmp;
	94	const nid_triple *rv = NULL;
	95	tmp.sign_id = signid;
d2027098	96
0ee2166c DSH	97	if (sig_app)
0ee2166c DSH	98	{
5ce278a7	99	int idx = sk_nid_triple_find(sig_app, &tmp);
0ee2166c	100	if (idx >= 0)
5ce278a7	101	rv = sk_nid_triple_value(sig_app, idx);
0ee2166c DSH	102	}
	103
	104	#ifndef OBJ_XREF_TEST2
	105	if (rv == NULL)
	106	{
babb3798 BL	107	rv = OBJ_bsearch(const nid_triple,&tmp,
	108	const nid_triple,sigoid_srt,
	109	sizeof(sigoid_srt) / sizeof(nid_triple),
	110	cmp_sig);
0ee2166c DSH	111	}
0ee2166c DSH	112	#endif
d2027098 DSH	113	if (rv == NULL)
d2027098 DSH	114	return 0;
babb3798 BL	115	*pdig_nid = rv->hash_id;
babb3798 BL	116	*ppkey_nid = rv->pkey_id;
d2027098 DSH	117	return 1;
	118	}
	119
	120	int OBJ_find_sigid_by_algs(int *psignid, int dig_nid, int pkey_nid)
	121	{
babb3798 BL	122	nid_triple tmp;
	123	const nid_triple const *t=&tmp;
	124	const nid_triple **rv = NULL;
	125
	126	tmp.hash_id = dig_nid;
	127	tmp.pkey_id = pkey_nid;
d2027098	128
0ee2166c DSH	129	if (sigx_app)
0ee2166c DSH	130	{
5ce278a7	131	int idx = sk_nid_triple_find(sigx_app, &tmp);
0ee2166c DSH	132	if (idx >= 0)
0ee2166c DSH	133	{
5ce278a7	134	t = sk_nid_triple_value(sigx_app, idx);
0ee2166c DSH	135	rv = &t;
	136	}
	137	}
	138
	139	#ifndef OBJ_XREF_TEST2
31780d0e DSH	140	if (rv == NULL)
31780d0e DSH	141	{
babb3798 BL	142	rv = OBJ_bsearch(const nid_triple *,&t,
	143	const nid_triple *,sigoid_srt_xref,
	144	sizeof(sigoid_srt_xref) / sizeof(nid_triple *),
	145	cmp_sigx);
31780d0e	146	}
0ee2166c	147	#endif
d2027098 DSH	148	if (rv == NULL)
d2027098 DSH	149	return 0;
babb3798	150	psignid = (rv)->sign_id;
d2027098 DSH	151	return 1;
	152	}
	153
0ee2166c DSH	154	int OBJ_add_sigid(int signid, int dig_id, int pkey_id)
	155	{
	156	nid_triple *ntr;
	157	if (!sig_app)
5ce278a7	158	sig_app = sk_nid_triple_new(cmp_sig_sk);
0ee2166c DSH	159	if (!sig_app)
	160	return 0;
	161	if (!sigx_app)
5ce278a7	162	sigx_app = sk_nid_triple_new(cmp_sigx);
0ee2166c DSH	163	if (!sigx_app)
	164	return 0;
	165	ntr = OPENSSL_malloc(sizeof(int) * 3);
	166	if (!ntr)
	167	return 0;
babb3798 BL	168	ntr->sign_id = signid;
	169	ntr->hash_id = dig_id;
	170	ntr->pkey_id = pkey_id;
0ee2166c	171
5ce278a7	172	if (!sk_nid_triple_push(sig_app, ntr))
0ee2166c DSH	173	{
	174	OPENSSL_free(ntr);
	175	return 0;
	176	}
	177
5ce278a7	178	if (!sk_nid_triple_push(sigx_app, ntr))
0ee2166c DSH	179	return 0;
0ee2166c DSH	180
5ce278a7 BL	181	sk_nid_triple_sort(sig_app);
5ce278a7 BL	182	sk_nid_triple_sort(sigx_app);
0ee2166c DSH	183
	184	return 1;
	185	}
	186
5ce278a7	187	static void sid_free(nid_triple *tt)
0ee2166c	188	{
0ee2166c DSH	189	OPENSSL_free(tt);
	190	}
	191
	192	void OBJ_sigid_free(void)
	193	{
	194	if (sig_app)
	195	{
5ce278a7	196	sk_nid_triple_pop_free(sig_app, sid_free);
0ee2166c DSH	197	sig_app = NULL;
	198	}
	199	if (sigx_app)
	200	{
5ce278a7	201	sk_nid_triple_free(sigx_app);
0ee2166c DSH	202	sigx_app = NULL;
	203	}
	204	}
	205
d2027098 DSH	206	#ifdef OBJ_XREF_TEST
	207
	208	main()
	209	{
	210	int n1, n2, n3;
	211
	212	int i, rv;
0ee2166c DSH	213	#ifdef OBJ_XREF_TEST2
	214	for (i = 0; i < sizeof(sigoid_srt) / sizeof(nid_triple); i++)
	215	{
	216	OBJ_add_sigid(sigoid_srt[i][0], sigoid_srt[i][1],
	217	sigoid_srt[i][2]);
	218	}
	219	#endif
d2027098 DSH	220
	221	for (i = 0; i < sizeof(sigoid_srt) / sizeof(nid_triple); i++)
	222	{
	223	n1 = sigoid_srt[i][0];
	224	rv = OBJ_find_sigid_algs(n1, &n2, &n3);
	225	printf("Forward: %d, %s %s %s\n", rv,
	226	OBJ_nid2ln(n1), OBJ_nid2ln(n2), OBJ_nid2ln(n3));
	227	n1=0;
	228	rv = OBJ_find_sigid_by_algs(&n1, n2, n3);
	229	printf("Reverse: %d, %s %s %s\n", rv,
	230	OBJ_nid2ln(n1), OBJ_nid2ln(n2), OBJ_nid2ln(n3));
	231	}
	232	}
	233
	234	#endif