Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/x509/x509_lu.c

Index: openssl/crypto/x509/x509_lu.c
diff --git a/openssl/crypto/x509/x509_lu.c b/openssl/crypto/x509/x509_lu.c
deleted file mode 100644
index 38525a8cddbc267c8e2c7a78c354438bb609c85a..0000000000000000000000000000000000000000
--- a/openssl/crypto/x509/x509_lu.c
+++ /dev/null
@@ -1,716 +0,0 @@
-/* crypto/x509/x509_lu.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 <stdio.h>
-#include "cryptlib.h"
-#include <openssl/lhash.h>
-#include <openssl/x509.h>
-#include <openssl/x509v3.h>
-
-X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method)
-	{
-	X509_LOOKUP *ret;
-
-	ret=(X509_LOOKUP *)OPENSSL_malloc(sizeof(X509_LOOKUP));
-	if (ret == NULL) return NULL;
-
-	ret->init=0;
-	ret->skip=0;
-	ret->method=method;
-	ret->method_data=NULL;
-	ret->store_ctx=NULL;
-	if ((method->new_item != NULL) && !method->new_item(ret))
-		{
-		OPENSSL_free(ret);
-		return NULL;
-		}
-	return ret;
-	}
-
-void X509_LOOKUP_free(X509_LOOKUP *ctx)
-	{
-	if (ctx == NULL) return;
-	if (	(ctx->method != NULL) &&
-		(ctx->method->free != NULL))
-		(*ctx->method->free)(ctx);
-	OPENSSL_free(ctx);
-	}
-
-int X509_LOOKUP_init(X509_LOOKUP *ctx)
-	{
-	if (ctx->method == NULL) return 0;
-	if (ctx->method->init != NULL)
-		return ctx->method->init(ctx);
-	else
-		return 1;
-	}
-
-int X509_LOOKUP_shutdown(X509_LOOKUP *ctx)
-	{
-	if (ctx->method == NULL) return 0;
-	if (ctx->method->shutdown != NULL)
-		return ctx->method->shutdown(ctx);
-	else
-		return 1;
-	}
-
-int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, long argl,
-	     char **ret)
-	{
-	if (ctx->method == NULL) return -1;
-	if (ctx->method->ctrl != NULL)
-		return ctx->method->ctrl(ctx,cmd,argc,argl,ret);
-	else
-		return 1;
-	}
-
-int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, int type, X509_NAME *name,
-	     X509_OBJECT *ret)
-	{
-	if ((ctx->method == NULL) || (ctx->method->get_by_subject == NULL))
-		return X509_LU_FAIL;
-	if (ctx->skip) return 0;
-	return ctx->method->get_by_subject(ctx,type,name,ret);
-	}
-
-int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, int type, X509_NAME *name,
-	     ASN1_INTEGER *serial, X509_OBJECT *ret)
-	{
-	if ((ctx->method == NULL) ||
-		(ctx->method->get_by_issuer_serial == NULL))
-		return X509_LU_FAIL;
-	return ctx->method->get_by_issuer_serial(ctx,type,name,serial,ret);
-	}
-
-int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, int type,
-	     unsigned char *bytes, int len, X509_OBJECT *ret)
-	{
-	if ((ctx->method == NULL) || (ctx->method->get_by_fingerprint == NULL))
-		return X509_LU_FAIL;
-	return ctx->method->get_by_fingerprint(ctx,type,bytes,len,ret);
-	}
-
-int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, int type, char *str, int len,
-	     X509_OBJECT *ret)
-	{
-	if ((ctx->method == NULL) || (ctx->method->get_by_alias == NULL))
-		return X509_LU_FAIL;
-	return ctx->method->get_by_alias(ctx,type,str,len,ret);
-	}
-
-  
-static int x509_object_cmp(const X509_OBJECT * const *a, const X509_OBJECT * const *b)
-  	{
- 	int ret;
-
- 	ret=((*a)->type - (*b)->type);
- 	if (ret) return ret;
- 	switch ((*a)->type)
- 		{
- 	case X509_LU_X509:
- 		ret=X509_subject_name_cmp((*a)->data.x509,(*b)->data.x509);
- 		break;
- 	case X509_LU_CRL:
- 		ret=X509_CRL_cmp((*a)->data.crl,(*b)->data.crl);
- 		break;
-	default:
-		/* abort(); */
-		return 0;
-		}
-	return ret;
-	}
-
-X509_STORE *X509_STORE_new(void)
-	{
-	X509_STORE *ret;
-
-	if ((ret=(X509_STORE *)OPENSSL_malloc(sizeof(X509_STORE))) == NULL)
-		return NULL;
-	ret->objs = sk_X509_OBJECT_new(x509_object_cmp);
-	ret->cache=1;
-	ret->get_cert_methods=sk_X509_LOOKUP_new_null();
-	ret->verify=0;
-	ret->verify_cb=0;
-
-	if ((ret->param = X509_VERIFY_PARAM_new()) == NULL)
-		return NULL;
-
-	ret->get_issuer = 0;
-	ret->check_issued = 0;
-	ret->check_revocation = 0;
-	ret->get_crl = 0;
-	ret->check_crl = 0;
-	ret->cert_crl = 0;
-	ret->lookup_certs = 0;
-	ret->lookup_crls = 0;
-	ret->cleanup = 0;
-
-	if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509_STORE, ret, &ret->ex_data))
-		{
-		sk_X509_OBJECT_free(ret->objs);
-		OPENSSL_free(ret);
-		return NULL;
-		}
-
-	ret->references=1;
-	return ret;
-	}
-
-static void cleanup(X509_OBJECT *a)
-	{
-	if (a->type == X509_LU_X509)
-		{
-		X509_free(a->data.x509);
-		}
-	else if (a->type == X509_LU_CRL)
-		{
-		X509_CRL_free(a->data.crl);
-		}
-	else
-		{
-		/* abort(); */
-		}
-
-	OPENSSL_free(a);
-	}
-
-void X509_STORE_free(X509_STORE *vfy)
-	{
-	int i;
-	STACK_OF(X509_LOOKUP) *sk;
-	X509_LOOKUP *lu;
-
-	if (vfy == NULL)
-	    return;
-
-	sk=vfy->get_cert_methods;
-	for (i=0; i<sk_X509_LOOKUP_num(sk); i++)
-		{
-		lu=sk_X509_LOOKUP_value(sk,i);
-		X509_LOOKUP_shutdown(lu);
-		X509_LOOKUP_free(lu);
-		}
-	sk_X509_LOOKUP_free(sk);
-	sk_X509_OBJECT_pop_free(vfy->objs, cleanup);
-
-	CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509_STORE, vfy, &vfy->ex_data);
-	if (vfy->param)
-		X509_VERIFY_PARAM_free(vfy->param);
-	OPENSSL_free(vfy);
-	}
-
-X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m)
-	{
-	int i;
-	STACK_OF(X509_LOOKUP) *sk;
-	X509_LOOKUP *lu;
-
-	sk=v->get_cert_methods;
-	for (i=0; i<sk_X509_LOOKUP_num(sk); i++)
-		{
-		lu=sk_X509_LOOKUP_value(sk,i);
-		if (m == lu->method)
-			{
-			return lu;
-			}
-		}
-	/* a new one */
-	lu=X509_LOOKUP_new(m);
-	if (lu == NULL)
-		return NULL;
-	else
-		{
-		lu->store_ctx=v;
-		if (sk_X509_LOOKUP_push(v->get_cert_methods,lu))
-			return lu;
-		else
-			{
-			X509_LOOKUP_free(lu);
-			return NULL;
-			}
-		}
-	}
-
-int X509_STORE_get_by_subject(X509_STORE_CTX *vs, int type, X509_NAME *name,
-	     X509_OBJECT *ret)
-	{
-	X509_STORE *ctx=vs->ctx;
-	X509_LOOKUP *lu;
-	X509_OBJECT stmp,*tmp;
-	int i,j;
-
-	CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
-	tmp=X509_OBJECT_retrieve_by_subject(ctx->objs,type,name);
-	CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
-
-	if (tmp == NULL || type == X509_LU_CRL)
-		{
-		for (i=vs->current_method; i<sk_X509_LOOKUP_num(ctx->get_cert_methods); i++)
-			{
-			lu=sk_X509_LOOKUP_value(ctx->get_cert_methods,i);
-			j=X509_LOOKUP_by_subject(lu,type,name,&stmp);
-			if (j < 0)
-				{
-				vs->current_method=j;
-				return j;
-				}
-			else if (j)
-				{
-				tmp= &stmp;
-				break;
-				}
-			}
-		vs->current_method=0;
-		if (tmp == NULL)
-			return 0;
-		}
-
-/*	if (ret->data.ptr != NULL)
-		X509_OBJECT_free_contents(ret); */
-
-	ret->type=tmp->type;
-	ret->data.ptr=tmp->data.ptr;
-
-	X509_OBJECT_up_ref_count(ret);
-
-	return 1;
-	}
-
-int X509_STORE_add_cert(X509_STORE *ctx, X509 *x)
-	{
-	X509_OBJECT *obj;
-	int ret=1;
-
-	if (x == NULL) return 0;
-	obj=(X509_OBJECT *)OPENSSL_malloc(sizeof(X509_OBJECT));
-	if (obj == NULL)
-		{
-		X509err(X509_F_X509_STORE_ADD_CERT,ERR_R_MALLOC_FAILURE);
-		return 0;
-		}
-	obj->type=X509_LU_X509;
-	obj->data.x509=x;
-
-	CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
-
-	X509_OBJECT_up_ref_count(obj);
-
-	if (X509_OBJECT_retrieve_match(ctx->objs, obj))
-		{
-		X509_OBJECT_free_contents(obj);
-		OPENSSL_free(obj);
-		X509err(X509_F_X509_STORE_ADD_CERT,X509_R_CERT_ALREADY_IN_HASH_TABLE);
-		ret=0;
-		} 
-	else sk_X509_OBJECT_push(ctx->objs, obj);
-
-	CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
-
-	return ret;
-	}
-
-int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x)
-	{
-	X509_OBJECT *obj;
-	int ret=1;
-
-	if (x == NULL) return 0;
-	obj=(X509_OBJECT *)OPENSSL_malloc(sizeof(X509_OBJECT));
-	if (obj == NULL)
-		{
-		X509err(X509_F_X509_STORE_ADD_CRL,ERR_R_MALLOC_FAILURE);
-		return 0;
-		}
-	obj->type=X509_LU_CRL;
-	obj->data.crl=x;
-
-	CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
-
-	X509_OBJECT_up_ref_count(obj);
-
-	if (X509_OBJECT_retrieve_match(ctx->objs, obj))
-		{
-		X509_OBJECT_free_contents(obj);
-		OPENSSL_free(obj);
-		X509err(X509_F_X509_STORE_ADD_CRL,X509_R_CERT_ALREADY_IN_HASH_TABLE);
-		ret=0;
-		}
-	else sk_X509_OBJECT_push(ctx->objs, obj);
-
-	CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
-
-	return ret;
-	}
-
-void X509_OBJECT_up_ref_count(X509_OBJECT *a)
-	{
-	switch (a->type)
-		{
-	case X509_LU_X509:
-		CRYPTO_add(&a->data.x509->references,1,CRYPTO_LOCK_X509);
-		break;
-	case X509_LU_CRL:
-		CRYPTO_add(&a->data.crl->references,1,CRYPTO_LOCK_X509_CRL);
-		break;
-		}
-	}
-
-void X509_OBJECT_free_contents(X509_OBJECT *a)
-	{
-	switch (a->type)
-		{
-	case X509_LU_X509:
-		X509_free(a->data.x509);
-		break;
-	case X509_LU_CRL:
-		X509_CRL_free(a->data.crl);
-		break;
-		}
-	}
-
-static int x509_object_idx_cnt(STACK_OF(X509_OBJECT) *h, int type,
-	     X509_NAME *name, int *pnmatch)
-	{
-	X509_OBJECT stmp;
-	X509 x509_s;
-	X509_CINF cinf_s;
-	X509_CRL crl_s;
-	X509_CRL_INFO crl_info_s;
-	int idx;
-
-	stmp.type=type;
-	switch (type)
-		{
-	case X509_LU_X509:
-		stmp.data.x509= &x509_s;
-		x509_s.cert_info= &cinf_s;
-		cinf_s.subject=name;
-		break;
-	case X509_LU_CRL:
-		stmp.data.crl= &crl_s;
-		crl_s.crl= &crl_info_s;
-		crl_info_s.issuer=name;
-		break;
-	default:
-		/* abort(); */
-		return -1;
-		}
-
-	idx = sk_X509_OBJECT_find(h,&stmp);
-	if (idx >= 0 && pnmatch)
-		{
-		int tidx;
-		const X509_OBJECT *tobj, *pstmp;
-		*pnmatch = 1;
-		pstmp = &stmp;
-		for (tidx = idx + 1; tidx < sk_X509_OBJECT_num(h); tidx++)
-			{
-			tobj = sk_X509_OBJECT_value(h, tidx);
-			if (x509_object_cmp(&tobj, &pstmp))
-				break;
-			(*pnmatch)++;
-			}
-		}
-	return idx;
-	}
-
-
-int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type,
-	     X509_NAME *name)
-	{
-	return x509_object_idx_cnt(h, type, name, NULL);
-	}
-
-X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h, int type,
-	     X509_NAME *name)
-	{
-	int idx;
-	idx = X509_OBJECT_idx_by_subject(h, type, name);
-	if (idx==-1) return NULL;
-	return sk_X509_OBJECT_value(h, idx);
-	}
-
-STACK_OF(X509)* X509_STORE_get1_certs(X509_STORE_CTX *ctx, X509_NAME *nm)
-	{
-	int i, idx, cnt;
-	STACK_OF(X509) *sk;
-	X509 *x;
-	X509_OBJECT *obj;
-	sk = sk_X509_new_null();
-	CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
-	idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_X509, nm, &cnt);
-	if (idx < 0)
-		{
-		/* Nothing found in cache: do lookup to possibly add new
-		 * objects to cache
-		 */
-		X509_OBJECT xobj;
-		CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
-		if (!X509_STORE_get_by_subject(ctx, X509_LU_X509, nm, &xobj))
-			{
-			sk_X509_free(sk);
-			return NULL;
-			}
-		X509_OBJECT_free_contents(&xobj);
-		CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
-		idx = x509_object_idx_cnt(ctx->ctx->objs,X509_LU_X509,nm, &cnt);
-		if (idx < 0)
-			{
-			CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
-			sk_X509_free(sk);
-			return NULL;
-			}
-		}
-	for (i = 0; i < cnt; i++, idx++)
-		{
-		obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx);
-		x = obj->data.x509;
-		CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
-		if (!sk_X509_push(sk, x))
-			{
-			CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
-			X509_free(x);
-			sk_X509_pop_free(sk, X509_free);
-			return NULL;
-			}
-		}
-	CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
-	return sk;
-
-	}
-
-STACK_OF(X509_CRL)* X509_STORE_get1_crls(X509_STORE_CTX *ctx, X509_NAME *nm)
-	{
-	int i, idx, cnt;
-	STACK_OF(X509_CRL) *sk;
-	X509_CRL *x;
-	X509_OBJECT *obj, xobj;
-	sk = sk_X509_CRL_new_null();
-	CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
-	/* Check cache first */
-	idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_CRL, nm, &cnt);
-
-	/* Always do lookup to possibly add new CRLs to cache
-	 */
-	CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
-	if (!X509_STORE_get_by_subject(ctx, X509_LU_CRL, nm, &xobj))
-		{
-		sk_X509_CRL_free(sk);
-		return NULL;
-		}
-	X509_OBJECT_free_contents(&xobj);
-	CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
-	idx = x509_object_idx_cnt(ctx->ctx->objs,X509_LU_CRL, nm, &cnt);
-	if (idx < 0)
-		{
-		CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
-		sk_X509_CRL_free(sk);
-		return NULL;
-		}
-
-	for (i = 0; i < cnt; i++, idx++)
-		{
-		obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx);
-		x = obj->data.crl;
-		CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509_CRL);
-		if (!sk_X509_CRL_push(sk, x))
-			{
-			CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
-			X509_CRL_free(x);
-			sk_X509_CRL_pop_free(sk, X509_CRL_free);
-			return NULL;
-			}
-		}
-	CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
-	return sk;
-	}
-
-X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h, X509_OBJECT *x)
-	{
-	int idx, i;
-	X509_OBJECT *obj;
-	idx = sk_X509_OBJECT_find(h, x);
-	if (idx == -1) return NULL;
-	if ((x->type != X509_LU_X509) && (x->type != X509_LU_CRL))
-		return sk_X509_OBJECT_value(h, idx);
-	for (i = idx; i < sk_X509_OBJECT_num(h); i++)
-		{
-		obj = sk_X509_OBJECT_value(h, i);
-		if (x509_object_cmp((const X509_OBJECT **)&obj, (const X509_OBJECT **)&x))
-			return NULL;
-		if (x->type == X509_LU_X509)
-			{
-			if (!X509_cmp(obj->data.x509, x->data.x509))
-				return obj;
-			}
-		else if (x->type == X509_LU_CRL)
-			{
-			if (!X509_CRL_match(obj->data.crl, x->data.crl))
-				return obj;
-			}
-		else
-			return obj;
-		}
-	return NULL;
-	}
-
-
-/* Try to get issuer certificate from store. Due to limitations
- * of the API this can only retrieve a single certificate matching
- * a given subject name. However it will fill the cache with all
- * matching certificates, so we can examine the cache for all
- * matches.
- *
- * Return values are:
- *  1 lookup successful.
- *  0 certificate not found.
- * -1 some other error.
- */
-int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x)
-	{
-	X509_NAME *xn;
-	X509_OBJECT obj, *pobj;
-	int i, ok, idx, ret;
-	xn=X509_get_issuer_name(x);
-	ok=X509_STORE_get_by_subject(ctx,X509_LU_X509,xn,&obj);
-	if (ok != X509_LU_X509)
-		{
-		if (ok == X509_LU_RETRY)
-			{
-			X509_OBJECT_free_contents(&obj);
-			X509err(X509_F_X509_STORE_CTX_GET1_ISSUER,X509_R_SHOULD_RETRY);
-			return -1;
-			}
-		else if (ok != X509_LU_FAIL)
-			{
-			X509_OBJECT_free_contents(&obj);
-			/* not good :-(, break anyway */
-			return -1;
-			}
-		return 0;
-		}
-	/* If certificate matches all OK */
-	if (ctx->check_issued(ctx, x, obj.data.x509))
-		{
-		*issuer = obj.data.x509;
-		return 1;
-		}
-	X509_OBJECT_free_contents(&obj);
-
-	/* Else find index of first cert accepted by 'check_issued' */
-	ret = 0;
-	CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
-	idx = X509_OBJECT_idx_by_subject(ctx->ctx->objs, X509_LU_X509, xn);
-	if (idx != -1) /* should be true as we've had at least one match */
-		{
-		/* Look through all matching certs for suitable issuer */
-		for (i = idx; i < sk_X509_OBJECT_num(ctx->ctx->objs); i++)
-			{
-			pobj = sk_X509_OBJECT_value(ctx->ctx->objs, i);
-			/* See if we've run past the matches */
-			if (pobj->type != X509_LU_X509)
-				break;
-			if (X509_NAME_cmp(xn, X509_get_subject_name(pobj->data.x509)))
-				break;
-			if (ctx->check_issued(ctx, x, pobj->data.x509))
-				{
-				*issuer = pobj->data.x509;
-				X509_OBJECT_up_ref_count(pobj);
-				ret = 1;
-				break;
-				}
-			}
-		}
-	CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
-	return ret;
-	}
-
-int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags)
-	{
-	return X509_VERIFY_PARAM_set_flags(ctx->param, flags);
-	}
-
-int X509_STORE_set_depth(X509_STORE *ctx, int depth)
-	{
-	X509_VERIFY_PARAM_set_depth(ctx->param, depth);
-	return 1;
-	}
-
-int X509_STORE_set_purpose(X509_STORE *ctx, int purpose)
-	{
-	return X509_VERIFY_PARAM_set_purpose(ctx->param, purpose);
-	}
-
-int X509_STORE_set_trust(X509_STORE *ctx, int trust)
-	{
-	return X509_VERIFY_PARAM_set_trust(ctx->param, trust);
-	}
-
-int X509_STORE_set1_param(X509_STORE *ctx, X509_VERIFY_PARAM *param)
-	{
-	return X509_VERIFY_PARAM_set1(ctx->param, param);
-	}
-
-void X509_STORE_set_verify_cb(X509_STORE *ctx,
-				  int (*verify_cb)(int, X509_STORE_CTX *))
-	{
-	ctx->verify_cb = verify_cb;
-	}
-
-IMPLEMENT_STACK_OF(X509_LOOKUP)
-IMPLEMENT_STACK_OF(X509_OBJECT)