1 files changed, 446 insertions, 0 deletions
diff --git a/lib/libcrypto/asn1/ameth_lib.c b/lib/libcrypto/asn1/ameth_lib.c
new file mode 100644
index 00000000000..18957c669e4
--- /dev/null
+++ b/lib/libcrypto/asn1/ameth_lib.c
@@ -0,0 +1,446 @@
+/* Written by Dr Stephen N Henson (steve@openssl.org) 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 <stdio.h>
+#include "cryptlib.h"
+#include <openssl/asn1t.h>
+#include <openssl/x509.h>
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
+#include "asn1_locl.h"
+
+extern const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[];
+extern const EVP_PKEY_ASN1_METHOD dsa_asn1_meths[];
+extern const EVP_PKEY_ASN1_METHOD dh_asn1_meth;
+extern const EVP_PKEY_ASN1_METHOD eckey_asn1_meth;
+extern const EVP_PKEY_ASN1_METHOD hmac_asn1_meth;
+
+/* Keep this sorted in type order !! */
+static const EVP_PKEY_ASN1_METHOD *standard_methods[] = 
+	{
+#ifndef OPENSSL_NO_RSA
+	&rsa_asn1_meths[0],
+	&rsa_asn1_meths[1],
+#endif
+#ifndef OPENSSL_NO_DH
+	&dh_asn1_meth,
+#endif
+#ifndef OPENSSL_NO_DSA
+	&dsa_asn1_meths[0],
+	&dsa_asn1_meths[1],
+	&dsa_asn1_meths[2],
+	&dsa_asn1_meths[3],
+	&dsa_asn1_meths[4],
+#endif
+#ifndef OPENSSL_NO_EC
+	&eckey_asn1_meth,
+#endif
+	&hmac_asn1_meth
+	};
+
+typedef int sk_cmp_fn_type(const char * const *a, const char * const *b);
+DECLARE_STACK_OF(EVP_PKEY_ASN1_METHOD)
+static STACK_OF(EVP_PKEY_ASN1_METHOD) *app_methods = NULL;
+
+
+
+#ifdef TEST
+void main()
+	{
+	int i;
+	for (i = 0;
+		i < sizeof(standard_methods)/sizeof(EVP_PKEY_ASN1_METHOD *);
+		i++)
+		fprintf(stderr, "Number %d id=%d (%s)\n", i,
+			standard_methods[i]->pkey_id,
+			OBJ_nid2sn(standard_methods[i]->pkey_id));
+	}
+#endif
+
+DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_ASN1_METHOD *,
+			   const EVP_PKEY_ASN1_METHOD *, ameth);
+
+static int ameth_cmp(const EVP_PKEY_ASN1_METHOD * const *a,
+		     const EVP_PKEY_ASN1_METHOD * const *b)
+	{
+        return ((*a)->pkey_id - (*b)->pkey_id);
+	}
+
+IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_ASN1_METHOD *,
+			     const EVP_PKEY_ASN1_METHOD *, ameth);
+
+int EVP_PKEY_asn1_get_count(void)
+	{
+	int num = sizeof(standard_methods)/sizeof(EVP_PKEY_ASN1_METHOD *);
+	if (app_methods)
+		num += sk_EVP_PKEY_ASN1_METHOD_num(app_methods);
+	return num;
+	}
+
+const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx)
+	{
+	int num = sizeof(standard_methods)/sizeof(EVP_PKEY_ASN1_METHOD *);
+	if (idx < 0)
+		return NULL; 
+	if (idx < num)
+		return standard_methods[idx];
+	idx -= num;
+	return sk_EVP_PKEY_ASN1_METHOD_value(app_methods, idx);
+	}
+
+static const EVP_PKEY_ASN1_METHOD *pkey_asn1_find(int type)
+	{
+	EVP_PKEY_ASN1_METHOD tmp;
+	const EVP_PKEY_ASN1_METHOD *t = &tmp, **ret;
+	tmp.pkey_id = type;
+	if (app_methods)
+		{
+		int idx;
+		idx = sk_EVP_PKEY_ASN1_METHOD_find(app_methods, &tmp);
+		if (idx >= 0)
+			return sk_EVP_PKEY_ASN1_METHOD_value(app_methods, idx);
+		}
+	ret = OBJ_bsearch_ameth(&t, standard_methods,
+			  sizeof(standard_methods)
+			  /sizeof(EVP_PKEY_ASN1_METHOD *));
+	if (!ret || !*ret)
+		return NULL;
+	return *ret;
+	}
+
+/* Find an implementation of an ASN1 algorithm. If 'pe' is not NULL
+ * also search through engines and set *pe to a functional reference
+ * to the engine implementing 'type' or NULL if no engine implements 
+ * it.
+ */
+
+const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(ENGINE **pe, int type)
+	{
+	const EVP_PKEY_ASN1_METHOD *t;
+	ENGINE *e;
+
+	for (;;)
+		{
+		t = pkey_asn1_find(type);
+		if (!t || !(t->pkey_flags & ASN1_PKEY_ALIAS))
+			break;
+		type = t->pkey_base_id;
+		}
+	if (pe)
+		{
+#ifndef OPENSSL_NO_ENGINE
+		/* type will contain the final unaliased type */
+		e = ENGINE_get_pkey_asn1_meth_engine(type);
+		if (e)
+			{
+			*pe = e;
+			return ENGINE_get_pkey_asn1_meth(e, type);
+			}
+#endif
+		*pe = NULL;
+		}
+	return t;
+	}
+
+const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe,
+					const char *str, int len)
+	{
+	int i;
+	const EVP_PKEY_ASN1_METHOD *ameth;
+	if (len == -1)
+		len = strlen(str);
+	if (pe)
+		{
+#ifndef OPENSSL_NO_ENGINE
+		ENGINE *e;
+		ameth = ENGINE_pkey_asn1_find_str(&e, str, len);
+		if (ameth)
+			{
+			/* Convert structural into
+			 * functional reference
+			 */
+			if (!ENGINE_init(e))
+				ameth = NULL;
+			ENGINE_free(e);
+			*pe = e;
+			return ameth;
+			}
+#endif
+		*pe = NULL;
+		}
+	for (i = 0; i < EVP_PKEY_asn1_get_count(); i++)
+		{
+		ameth = EVP_PKEY_asn1_get0(i);
+		if (ameth->pkey_flags & ASN1_PKEY_ALIAS)
+			continue;
+		if (((int)strlen(ameth->pem_str) == len) && 
+			!strncasecmp(ameth->pem_str, str, len))
+			return ameth;
+		}
+	return NULL;
+	}
+
+int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth)
+	{
+	if (app_methods == NULL)
+		{
+		app_methods = sk_EVP_PKEY_ASN1_METHOD_new(ameth_cmp);
+		if (!app_methods)
+			return 0;
+		}
+	if (!sk_EVP_PKEY_ASN1_METHOD_push(app_methods, ameth))
+		return 0;
+	sk_EVP_PKEY_ASN1_METHOD_sort(app_methods);
+	return 1;
+	}
+
+int EVP_PKEY_asn1_add_alias(int to, int from)
+	{
+	EVP_PKEY_ASN1_METHOD *ameth;
+	ameth = EVP_PKEY_asn1_new(from, ASN1_PKEY_ALIAS, NULL, NULL);
+	if (!ameth)
+		return 0;
+	ameth->pkey_base_id = to;
+	return EVP_PKEY_asn1_add0(ameth);
+	}
+
+int EVP_PKEY_asn1_get0_info(int *ppkey_id, int *ppkey_base_id, int *ppkey_flags,
+				const char **pinfo, const char **ppem_str,
+					const EVP_PKEY_ASN1_METHOD *ameth)
+	{
+	if (!ameth)
+		return 0;
+	if (ppkey_id)
+		*ppkey_id = ameth->pkey_id;
+	if (ppkey_base_id)
+		*ppkey_base_id = ameth->pkey_base_id;
+	if (ppkey_flags)
+		*ppkey_flags = ameth->pkey_flags;
+	if (pinfo)
+		*pinfo = ameth->info;
+	if (ppem_str)
+		*ppem_str = ameth->pem_str;
+	return 1;
+	}
+
+const EVP_PKEY_ASN1_METHOD* EVP_PKEY_get0_asn1(EVP_PKEY *pkey)
+	{
+	return pkey->ameth;
+	}
+
+EVP_PKEY_ASN1_METHOD* EVP_PKEY_asn1_new(int id, int flags,
+					const char *pem_str, const char *info)
+	{
+	EVP_PKEY_ASN1_METHOD *ameth;
+	ameth = OPENSSL_malloc(sizeof(EVP_PKEY_ASN1_METHOD));
+	if (!ameth)
+		return NULL;
+
+	ameth->pkey_id = id;
+	ameth->pkey_base_id = id;
+	ameth->pkey_flags = flags | ASN1_PKEY_DYNAMIC;
+
+	if (info)
+		{
+		ameth->info = BUF_strdup(info);
+		if (!ameth->info)
+			goto err;
+		}
+
+	if (pem_str)
+		{
+		ameth->pem_str = BUF_strdup(pem_str);
+		if (!ameth->pem_str)
+			goto err;
+		}
+
+	ameth->pub_decode = 0;
+	ameth->pub_encode = 0;
+	ameth->pub_cmp = 0;
+	ameth->pub_print = 0;
+
+	ameth->priv_decode = 0;
+	ameth->priv_encode = 0;
+	ameth->priv_print = 0;
+
+	ameth->old_priv_encode = 0;
+	ameth->old_priv_decode = 0;
+
+	ameth->pkey_size = 0;
+	ameth->pkey_bits = 0;
+
+	ameth->param_decode = 0;
+	ameth->param_encode = 0;
+	ameth->param_missing = 0;
+	ameth->param_copy = 0;
+	ameth->param_cmp = 0;
+	ameth->param_print = 0;
+
+	ameth->pkey_free = 0;
+	ameth->pkey_ctrl = 0;
+
+	return ameth;
+
+	err:
+
+	EVP_PKEY_asn1_free(ameth);
+	return NULL;
+
+	}
+
+void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst, 
+			const EVP_PKEY_ASN1_METHOD *src)
+	{
+
+	dst->pub_decode = src->pub_decode;
+	dst->pub_encode = src->pub_encode;
+	dst->pub_cmp = src->pub_cmp;
+	dst->pub_print = src->pub_print;
+
+	dst->priv_decode = src->priv_decode;
+	dst->priv_encode = src->priv_encode;
+	dst->priv_print = src->priv_print;
+
+	dst->old_priv_encode = src->old_priv_encode;
+	dst->old_priv_decode = src->old_priv_decode;
+
+	dst->pkey_size = src->pkey_size;
+	dst->pkey_bits = src->pkey_bits;
+
+	dst->param_decode = src->param_decode;
+	dst->param_encode = src->param_encode;
+	dst->param_missing = src->param_missing;
+	dst->param_copy = src->param_copy;
+	dst->param_cmp = src->param_cmp;
+	dst->param_print = src->param_print;
+
+	dst->pkey_free = src->pkey_free;
+	dst->pkey_ctrl = src->pkey_ctrl;
+
+	}
+
+void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth)
+	{
+	if (ameth && (ameth->pkey_flags & ASN1_PKEY_DYNAMIC))
+		{
+		if (ameth->pem_str)
+			OPENSSL_free(ameth->pem_str);
+		if (ameth->info)
+			OPENSSL_free(ameth->info);
+		OPENSSL_free(ameth);
+		}
+	}
+
+void EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth,
+		int (*pub_decode)(EVP_PKEY *pk, X509_PUBKEY *pub),
+		int (*pub_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk),
+		int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b),
+		int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent,
+							ASN1_PCTX *pctx),
+		int (*pkey_size)(const EVP_PKEY *pk),
+		int (*pkey_bits)(const EVP_PKEY *pk))
+	{
+	ameth->pub_decode = pub_decode;
+	ameth->pub_encode = pub_encode;
+	ameth->pub_cmp = pub_cmp;
+	ameth->pub_print = pub_print;
+	ameth->pkey_size = pkey_size;
+	ameth->pkey_bits = pkey_bits;
+	}
+
+void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth,
+		int (*priv_decode)(EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf),
+		int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk),
+		int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent,
+							ASN1_PCTX *pctx))
+	{
+	ameth->priv_decode = priv_decode;
+	ameth->priv_encode = priv_encode;
+	ameth->priv_print = priv_print;
+	}
+
+void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth,
+		int (*param_decode)(EVP_PKEY *pkey,
+				const unsigned char **pder, int derlen),
+		int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder),
+		int (*param_missing)(const EVP_PKEY *pk),
+		int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from),
+		int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b),
+		int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent,
+							ASN1_PCTX *pctx))
+	{
+	ameth->param_decode = param_decode;
+	ameth->param_encode = param_encode;
+	ameth->param_missing = param_missing;
+	ameth->param_copy = param_copy;
+	ameth->param_cmp = param_cmp;
+	ameth->param_print = param_print;
+	}
+
+void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth,
+		void (*pkey_free)(EVP_PKEY *pkey))
+	{
+	ameth->pkey_free = pkey_free;
+	}
+
+void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
+		int (*pkey_ctrl)(EVP_PKEY *pkey, int op,
+							long arg1, void *arg2))
+	{
+	ameth->pkey_ctrl = pkey_ctrl;
+	}