Checked in the following released items:

xkeyboard-config-1.4.tar.gz
ttf-bitstream-vera-1.10.tar.gz
font-alias-1.0.1.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sony-misc-1.0.0.tar.gz
font-schumacher-misc-1.0.0.tar.gz
font-mutt-misc-1.0.0.tar.gz
font-misc-misc-1.0.0.tar.gz
font-misc-meltho-1.0.0.tar.gz
font-micro-misc-1.0.0.tar.gz
font-jis-misc-1.0.0.tar.gz
font-isas-misc-1.0.0.tar.gz
font-dec-misc-1.0.0.tar.gz
font-daewoo-misc-1.0.0.tar.gz
font-cursor-misc-1.0.0.tar.gz
font-arabic-misc-1.0.0.tar.gz
font-winitzki-cyrillic-1.0.0.tar.gz
font-misc-cyrillic-1.0.0.tar.gz
font-cronyx-cyrillic-1.0.0.tar.gz
font-screen-cyrillic-1.0.1.tar.gz
font-xfree86-type1-1.0.1.tar.gz
font-adobe-utopia-type1-1.0.1.tar.gz
font-ibm-type1-1.0.0.tar.gz
font-bitstream-type1-1.0.0.tar.gz
font-bitstream-speedo-1.0.0.tar.gz
font-bh-ttf-1.0.0.tar.gz
font-bh-type1-1.0.0.tar.gz
font-bitstream-100dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz
font-bh-100dpi-1.0.0.tar.gz
font-adobe-utopia-100dpi-1.0.1.tar.gz
font-adobe-100dpi-1.0.0.tar.gz
font-util-1.0.1.tar.gz
font-bitstream-75dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz
font-adobe-utopia-75dpi-1.0.1.tar.gz
font-bh-75dpi-1.0.0.tar.gz
bdftopcf-1.0.1.tar.gz
font-adobe-75dpi-1.0.0.tar.gz
mkfontscale-1.0.6.tar.gz
openssl-0.9.8k.tar.gz
bigreqsproto-1.0.2.tar.gz
xtrans-1.2.2.tar.gz
resourceproto-1.0.2.tar.gz
inputproto-1.4.4.tar.gz
compositeproto-0.4.tar.gz
damageproto-1.1.0.tar.gz
zlib-1.2.3.tar.gz
xkbcomp-1.0.5.tar.gz
freetype-2.3.9.tar.gz
pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
kbproto-1.0.3.tar.gz
evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
libXau-1.0.4.tar.gz
libxcb-1.1.tar.gz
xorg-server-1.5.3.tar.gz

1 files changed, 1552 insertions, 0 deletions

diff --git a/openssl/crypto/x509/x509_vfy.c b/openssl/crypto/x509/x509_vfy.c
new file mode 100644
index 000000000..336c40ddd
--- /dev/null
+++ b/openssl/crypto/x509/x509_vfy.c
@@ -0,0 +1,1552 @@
+/* crypto/x509/x509_vfy.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 <time.h>
+#include <errno.h>
+
+#include "cryptlib.h"
+#include <openssl/crypto.h>
+#include <openssl/lhash.h>
+#include <openssl/buffer.h>
+#include <openssl/evp.h>
+#include <openssl/asn1.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+#include <openssl/objects.h>
+
+static int null_callback(int ok,X509_STORE_CTX *e);
+static int check_issued(X509_STORE_CTX *ctx, X509 *x, X509 *issuer);
+static X509 *find_issuer(X509_STORE_CTX *ctx, STACK_OF(X509) *sk, X509 *x);
+static int check_chain_extensions(X509_STORE_CTX *ctx);
+static int check_trust(X509_STORE_CTX *ctx);
+static int check_revocation(X509_STORE_CTX *ctx);
+static int check_cert(X509_STORE_CTX *ctx);
+static int check_policy(X509_STORE_CTX *ctx);
+static int internal_verify(X509_STORE_CTX *ctx);
+const char X509_version[]="X.509" OPENSSL_VERSION_PTEXT;
+
+
+static int null_callback(int ok, X509_STORE_CTX *e)
+	{
+	return ok;
+	}
+
+#if 0
+static int x509_subject_cmp(X509 **a, X509 **b)
+	{
+	return X509_subject_name_cmp(*a,*b);
+	}
+#endif
+
+int X509_verify_cert(X509_STORE_CTX *ctx)
+	{
+	X509 *x,*xtmp,*chain_ss=NULL;
+	X509_NAME *xn;
+	int bad_chain = 0;
+	X509_VERIFY_PARAM *param = ctx->param;
+	int depth,i,ok=0;
+	int num;
+	int (*cb)(int xok,X509_STORE_CTX *xctx);
+	STACK_OF(X509) *sktmp=NULL;
+	if (ctx->cert == NULL)
+		{
+		X509err(X509_F_X509_VERIFY_CERT,X509_R_NO_CERT_SET_FOR_US_TO_VERIFY);
+		return -1;
+		}
+
+	cb=ctx->verify_cb;
+
+	/* first we make sure the chain we are going to build is
+	 * present and that the first entry is in place */
+	if (ctx->chain == NULL)
+		{
+		if (	((ctx->chain=sk_X509_new_null()) == NULL) ||
+			(!sk_X509_push(ctx->chain,ctx->cert)))
+			{
+			X509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE);
+			goto end;
+			}
+		CRYPTO_add(&ctx->cert->references,1,CRYPTO_LOCK_X509);
+		ctx->last_untrusted=1;
+		}
+
+	/* We use a temporary STACK so we can chop and hack at it */
+	if (ctx->untrusted != NULL
+	    && (sktmp=sk_X509_dup(ctx->untrusted)) == NULL)
+		{
+		X509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE);
+		goto end;
+		}
+
+	num=sk_X509_num(ctx->chain);
+	x=sk_X509_value(ctx->chain,num-1);
+	depth=param->depth;
+
+
+	for (;;)
+		{
+		/* If we have enough, we break */
+		if (depth < num) break; /* FIXME: If this happens, we should take
+		                         * note of it and, if appropriate, use the
+		                         * X509_V_ERR_CERT_CHAIN_TOO_LONG error
+		                         * code later.
+		                         */
+
+		/* If we are self signed, we break */
+		xn=X509_get_issuer_name(x);
+		if (ctx->check_issued(ctx, x,x)) break;
+
+		/* If we were passed a cert chain, use it first */
+		if (ctx->untrusted != NULL)
+			{
+			xtmp=find_issuer(ctx, sktmp,x);
+			if (xtmp != NULL)
+				{
+				if (!sk_X509_push(ctx->chain,xtmp))
+					{
+					X509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE);
+					goto end;
+					}
+				CRYPTO_add(&xtmp->references,1,CRYPTO_LOCK_X509);
+				(void)sk_X509_delete_ptr(sktmp,xtmp);
+				ctx->last_untrusted++;
+				x=xtmp;
+				num++;
+				/* reparse the full chain for
+				 * the next one */
+				continue;
+				}
+			}
+		break;
+		}
+
+	/* at this point, chain should contain a list of untrusted
+	 * certificates.  We now need to add at least one trusted one,
+	 * if possible, otherwise we complain. */
+
+	/* Examine last certificate in chain and see if it
+ 	 * is self signed.
+ 	 */
+
+	i=sk_X509_num(ctx->chain);
+	x=sk_X509_value(ctx->chain,i-1);
+	xn = X509_get_subject_name(x);
+	if (ctx->check_issued(ctx, x, x))
+		{
+		/* we have a self signed certificate */
+		if (sk_X509_num(ctx->chain) == 1)
+			{
+			/* We have a single self signed certificate: see if
+			 * we can find it in the store. We must have an exact
+			 * match to avoid possible impersonation.
+			 */
+			ok = ctx->get_issuer(&xtmp, ctx, x);
+			if ((ok <= 0) || X509_cmp(x, xtmp)) 
+				{
+				ctx->error=X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT;
+				ctx->current_cert=x;
+				ctx->error_depth=i-1;
+				if (ok == 1) X509_free(xtmp);
+				bad_chain = 1;
+				ok=cb(0,ctx);
+				if (!ok) goto end;
+				}
+			else 
+				{
+				/* We have a match: replace certificate with store version
+				 * so we get any trust settings.
+				 */
+				X509_free(x);
+				x = xtmp;
+				(void)sk_X509_set(ctx->chain, i - 1, x);
+				ctx->last_untrusted=0;
+				}
+			}
+		else
+			{
+			/* extract and save self signed certificate for later use */
+			chain_ss=sk_X509_pop(ctx->chain);
+			ctx->last_untrusted--;
+			num--;
+			x=sk_X509_value(ctx->chain,num-1);
+			}
+		}
+
+	/* We now lookup certs from the certificate store */
+	for (;;)
+		{
+		/* If we have enough, we break */
+		if (depth < num) break;
+
+		/* If we are self signed, we break */
+		xn=X509_get_issuer_name(x);
+		if (ctx->check_issued(ctx,x,x)) break;
+
+		ok = ctx->get_issuer(&xtmp, ctx, x);
+
+		if (ok < 0) return ok;
+		if (ok == 0) break;
+
+		x = xtmp;
+		if (!sk_X509_push(ctx->chain,x))
+			{
+			X509_free(xtmp);
+			X509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE);
+			return 0;
+			}
+		num++;
+		}
+
+	/* we now have our chain, lets check it... */
+	xn=X509_get_issuer_name(x);
+
+	/* Is last certificate looked up self signed? */
+	if (!ctx->check_issued(ctx,x,x))
+		{
+		if ((chain_ss == NULL) || !ctx->check_issued(ctx, x, chain_ss))
+			{
+			if (ctx->last_untrusted >= num)
+				ctx->error=X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY;
+			else
+				ctx->error=X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT;
+			ctx->current_cert=x;
+			}
+		else
+			{
+
+			sk_X509_push(ctx->chain,chain_ss);
+			num++;
+			ctx->last_untrusted=num;
+			ctx->current_cert=chain_ss;
+			ctx->error=X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN;
+			chain_ss=NULL;
+			}
+
+		ctx->error_depth=num-1;
+		bad_chain = 1;
+		ok=cb(0,ctx);
+		if (!ok) goto end;
+		}
+
+	/* We have the chain complete: now we need to check its purpose */
+	ok = check_chain_extensions(ctx);
+
+	if (!ok) goto end;
+
+	/* The chain extensions are OK: check trust */
+
+	if (param->trust > 0) ok = check_trust(ctx);
+
+	if (!ok) goto end;
+
+	/* We may as well copy down any DSA parameters that are required */
+	X509_get_pubkey_parameters(NULL,ctx->chain);
+
+	/* Check revocation status: we do this after copying parameters
+	 * because they may be needed for CRL signature verification.
+	 */
+
+	ok = ctx->check_revocation(ctx);
+	if(!ok) goto end;
+
+	/* At this point, we have a chain and need to verify it */
+	if (ctx->verify != NULL)
+		ok=ctx->verify(ctx);
+	else
+		ok=internal_verify(ctx);
+	if(!ok) goto end;
+
+#ifndef OPENSSL_NO_RFC3779
+	/* RFC 3779 path validation, now that CRL check has been done */
+	ok = v3_asid_validate_path(ctx);
+	if (!ok) goto end;
+	ok = v3_addr_validate_path(ctx);
+	if (!ok) goto end;
+#endif
+
+	/* If we get this far evaluate policies */
+	if (!bad_chain && (ctx->param->flags & X509_V_FLAG_POLICY_CHECK))
+		ok = ctx->check_policy(ctx);
+	if(!ok) goto end;
+	if (0)
+		{
+end:
+		X509_get_pubkey_parameters(NULL,ctx->chain);
+		}
+	if (sktmp != NULL) sk_X509_free(sktmp);
+	if (chain_ss != NULL) X509_free(chain_ss);
+	return ok;
+	}
+
+
+/* Given a STACK_OF(X509) find the issuer of cert (if any)
+ */
+
+static X509 *find_issuer(X509_STORE_CTX *ctx, STACK_OF(X509) *sk, X509 *x)
+{
+	int i;
+	X509 *issuer;
+	for (i = 0; i < sk_X509_num(sk); i++)
+		{
+		issuer = sk_X509_value(sk, i);
+		if (ctx->check_issued(ctx, x, issuer))
+			return issuer;
+		}
+	return NULL;
+}
+
+/* Given a possible certificate and issuer check them */
+
+static int check_issued(X509_STORE_CTX *ctx, X509 *x, X509 *issuer)
+{
+	int ret;
+	ret = X509_check_issued(issuer, x);
+	if (ret == X509_V_OK)
+		return 1;
+	/* If we haven't asked for issuer errors don't set ctx */
+	if (!(ctx->param->flags & X509_V_FLAG_CB_ISSUER_CHECK))
+		return 0;
+
+	ctx->error = ret;
+	ctx->current_cert = x;
+	ctx->current_issuer = issuer;
+	return ctx->verify_cb(0, ctx);
+	return 0;
+}
+
+/* Alternative lookup method: look from a STACK stored in other_ctx */
+
+static int get_issuer_sk(X509 **issuer, X509_STORE_CTX *ctx, X509 *x)
+{
+	*issuer = find_issuer(ctx, ctx->other_ctx, x);
+	if (*issuer)
+		{
+		CRYPTO_add(&(*issuer)->references,1,CRYPTO_LOCK_X509);
+		return 1;
+		}
+	else
+		return 0;
+}
+	
+
+/* Check a certificate chains extensions for consistency
+ * with the supplied purpose
+ */
+
+static int check_chain_extensions(X509_STORE_CTX *ctx)
+{
+#ifdef OPENSSL_NO_CHAIN_VERIFY
+	return 1;
+#else
+	int i, ok=0, must_be_ca, plen = 0;
+	X509 *x;
+	int (*cb)(int xok,X509_STORE_CTX *xctx);
+	int proxy_path_length = 0;
+	int allow_proxy_certs =
+		!!(ctx->param->flags & X509_V_FLAG_ALLOW_PROXY_CERTS);
+	cb=ctx->verify_cb;
+
+	/* must_be_ca can have 1 of 3 values:
+	   -1: we accept both CA and non-CA certificates, to allow direct
+	       use of self-signed certificates (which are marked as CA).
+	   0:  we only accept non-CA certificates.  This is currently not
+	       used, but the possibility is present for future extensions.
+	   1:  we only accept CA certificates.  This is currently used for
+	       all certificates in the chain except the leaf certificate.
+	*/
+	must_be_ca = -1;
+
+	/* A hack to keep people who don't want to modify their software
+	   happy */
+	if (getenv("OPENSSL_ALLOW_PROXY_CERTS"))
+		allow_proxy_certs = 1;
+
+	/* Check all untrusted certificates */
+	for (i = 0; i < ctx->last_untrusted; i++)
+		{
+		int ret;
+		x = sk_X509_value(ctx->chain, i);
+		if (!(ctx->param->flags & X509_V_FLAG_IGNORE_CRITICAL)
+			&& (x->ex_flags & EXFLAG_CRITICAL))
+			{
+			ctx->error = X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION;
+			ctx->error_depth = i;
+			ctx->current_cert = x;
+			ok=cb(0,ctx);
+			if (!ok) goto end;
+			}
+		if (!allow_proxy_certs && (x->ex_flags & EXFLAG_PROXY))
+			{
+			ctx->error = X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED;
+			ctx->error_depth = i;
+			ctx->current_cert = x;
+			ok=cb(0,ctx);
+			if (!ok) goto end;
+			}
+		ret = X509_check_ca(x);
+		switch(must_be_ca)
+			{
+		case -1:
+			if ((ctx->param->flags & X509_V_FLAG_X509_STRICT)
+				&& (ret != 1) && (ret != 0))
+				{
+				ret = 0;
+				ctx->error = X509_V_ERR_INVALID_CA;
+				}
+			else
+				ret = 1;
+			break;
+		case 0:
+			if (ret != 0)
+				{
+				ret = 0;
+				ctx->error = X509_V_ERR_INVALID_NON_CA;
+				}
+			else
+				ret = 1;
+			break;
+		default:
+			if ((ret == 0)
+				|| ((ctx->param->flags & X509_V_FLAG_X509_STRICT)
+					&& (ret != 1)))
+				{
+				ret = 0;
+				ctx->error = X509_V_ERR_INVALID_CA;
+				}
+			else
+				ret = 1;
+			break;
+			}
+		if (ret == 0)
+			{
+			ctx->error_depth = i;
+			ctx->current_cert = x;
+			ok=cb(0,ctx);
+			if (!ok) goto end;
+			}
+		if (ctx->param->purpose > 0)
+			{
+			ret = X509_check_purpose(x, ctx->param->purpose,
+				must_be_ca > 0);
+			if ((ret == 0)
+				|| ((ctx->param->flags & X509_V_FLAG_X509_STRICT)
+					&& (ret != 1)))
+				{
+				ctx->error = X509_V_ERR_INVALID_PURPOSE;
+				ctx->error_depth = i;
+				ctx->current_cert = x;
+				ok=cb(0,ctx);
+				if (!ok) goto end;
+				}
+			}
+		/* Check pathlen if not self issued */
+		if ((i > 1) && !(x->ex_flags & EXFLAG_SI)
+			   && (x->ex_pathlen != -1)
+			   && (plen > (x->ex_pathlen + proxy_path_length + 1)))
+			{
+			ctx->error = X509_V_ERR_PATH_LENGTH_EXCEEDED;
+			ctx->error_depth = i;
+			ctx->current_cert = x;
+			ok=cb(0,ctx);
+			if (!ok) goto end;
+			}
+		/* Increment path length if not self issued */
+		if (!(x->ex_flags & EXFLAG_SI))
+			plen++;
+		/* If this certificate is a proxy certificate, the next
+		   certificate must be another proxy certificate or a EE
+		   certificate.  If not, the next certificate must be a
+		   CA certificate.  */
+		if (x->ex_flags & EXFLAG_PROXY)
+			{
+			if (x->ex_pcpathlen != -1 && i > x->ex_pcpathlen)
+				{
+				ctx->error =
+					X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED;
+				ctx->error_depth = i;
+				ctx->current_cert = x;
+				ok=cb(0,ctx);
+				if (!ok) goto end;
+				}
+			proxy_path_length++;
+			must_be_ca = 0;
+			}
+		else
+			must_be_ca = 1;
+		}
+	ok = 1;
+ end:
+	return ok;
+#endif
+}
+
+static int check_trust(X509_STORE_CTX *ctx)
+{
+#ifdef OPENSSL_NO_CHAIN_VERIFY
+	return 1;
+#else
+	int i, ok;
+	X509 *x;
+	int (*cb)(int xok,X509_STORE_CTX *xctx);
+	cb=ctx->verify_cb;
+/* For now just check the last certificate in the chain */
+	i = sk_X509_num(ctx->chain) - 1;
+	x = sk_X509_value(ctx->chain, i);
+	ok = X509_check_trust(x, ctx->param->trust, 0);
+	if (ok == X509_TRUST_TRUSTED)
+		return 1;
+	ctx->error_depth = i;
+	ctx->current_cert = x;
+	if (ok == X509_TRUST_REJECTED)
+		ctx->error = X509_V_ERR_CERT_REJECTED;
+	else
+		ctx->error = X509_V_ERR_CERT_UNTRUSTED;
+	ok = cb(0, ctx);
+	return ok;
+#endif
+}
+
+static int check_revocation(X509_STORE_CTX *ctx)
+	{
+	int i, last, ok;
+	if (!(ctx->param->flags & X509_V_FLAG_CRL_CHECK))
+		return 1;
+	if (ctx->param->flags & X509_V_FLAG_CRL_CHECK_ALL)
+		last = sk_X509_num(ctx->chain) - 1;
+	else
+		last = 0;
+	for(i = 0; i <= last; i++)
+		{
+		ctx->error_depth = i;
+		ok = check_cert(ctx);
+		if (!ok) return ok;
+		}
+	return 1;
+	}
+
+static int check_cert(X509_STORE_CTX *ctx)
+	{
+	X509_CRL *crl = NULL;
+	X509 *x;
+	int ok, cnum;
+	cnum = ctx->error_depth;
+	x = sk_X509_value(ctx->chain, cnum);
+	ctx->current_cert = x;
+	/* Try to retrieve relevant CRL */
+	ok = ctx->get_crl(ctx, &crl, x);
+	/* If error looking up CRL, nothing we can do except
+	 * notify callback
+	 */
+	if(!ok)
+		{
+		ctx->error = X509_V_ERR_UNABLE_TO_GET_CRL;
+		ok = ctx->verify_cb(0, ctx);
+		goto err;
+		}
+	ctx->current_crl = crl;
+	ok = ctx->check_crl(ctx, crl);
+	if (!ok) goto err;
+	ok = ctx->cert_crl(ctx, crl, x);
+	err:
+	ctx->current_crl = NULL;
+	X509_CRL_free(crl);
+	return ok;
+
+	}
+
+/* Check CRL times against values in X509_STORE_CTX */
+
+static int check_crl_time(X509_STORE_CTX *ctx, X509_CRL *crl, int notify)
+	{
+	time_t *ptime;
+	int i;
+	ctx->current_crl = crl;
+	if (ctx->param->flags & X509_V_FLAG_USE_CHECK_TIME)
+		ptime = &ctx->param->check_time;
+	else
+		ptime = NULL;
+
+	i=X509_cmp_time(X509_CRL_get_lastUpdate(crl), ptime);
+	if (i == 0)
+		{
+		ctx->error=X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD;
+		if (!notify || !ctx->verify_cb(0, ctx))
+			return 0;
+		}
+
+	if (i > 0)
+		{
+		ctx->error=X509_V_ERR_CRL_NOT_YET_VALID;
+		if (!notify || !ctx->verify_cb(0, ctx))
+			return 0;
+		}
+
+	if(X509_CRL_get_nextUpdate(crl))
+		{
+		i=X509_cmp_time(X509_CRL_get_nextUpdate(crl), ptime);
+
+		if (i == 0)
+			{
+			ctx->error=X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD;
+			if (!notify || !ctx->verify_cb(0, ctx))
+				return 0;
+			}
+
+		if (i < 0)
+			{
+			ctx->error=X509_V_ERR_CRL_HAS_EXPIRED;
+			if (!notify || !ctx->verify_cb(0, ctx))
+				return 0;
+			}
+		}
+
+	ctx->current_crl = NULL;
+
+	return 1;
+	}
+
+/* Lookup CRLs from the supplied list. Look for matching isser name
+ * and validity. If we can't find a valid CRL return the last one
+ * with matching name. This gives more meaningful error codes. Otherwise
+ * we'd get a CRL not found error if a CRL existed with matching name but
+ * was invalid.
+ */
+
+static int get_crl_sk(X509_STORE_CTX *ctx, X509_CRL **pcrl,
+			X509_NAME *nm, STACK_OF(X509_CRL) *crls)
+	{
+	int i;
+	X509_CRL *crl, *best_crl = NULL;
+	for (i = 0; i < sk_X509_CRL_num(crls); i++)
+		{
+		crl = sk_X509_CRL_value(crls, i);
+		if (X509_NAME_cmp(nm, X509_CRL_get_issuer(crl)))
+			continue;
+		if (check_crl_time(ctx, crl, 0))
+			{
+			*pcrl = crl;
+			CRYPTO_add(&crl->references, 1, CRYPTO_LOCK_X509);
+			return 1;
+			}
+		best_crl = crl;
+		}
+	if (best_crl)
+		{
+		*pcrl = best_crl;
+		CRYPTO_add(&best_crl->references, 1, CRYPTO_LOCK_X509);
+		}
+		
+	return 0;
+	}
+
+/* Retrieve CRL corresponding to certificate: currently just a
+ * subject lookup: maybe use AKID later...
+ */
+static int get_crl(X509_STORE_CTX *ctx, X509_CRL **pcrl, X509 *x)
+	{
+	int ok;
+	X509_CRL *crl = NULL;
+	X509_OBJECT xobj;
+	X509_NAME *nm;
+	nm = X509_get_issuer_name(x);
+	ok = get_crl_sk(ctx, &crl, nm, ctx->crls);
+	if (ok)
+		{
+		*pcrl = crl;
+		return 1;
+		}
+
+	ok = X509_STORE_get_by_subject(ctx, X509_LU_CRL, nm, &xobj);
+
+	if (!ok)
+		{
+		/* If we got a near match from get_crl_sk use that */
+		if (crl)
+			{
+			*pcrl = crl;
+			return 1;
+			}
+		return 0;
+		}
+
+	*pcrl = xobj.data.crl;
+	if (crl)
+		X509_CRL_free(crl);
+	return 1;
+	}
+
+/* Check CRL validity */
+static int check_crl(X509_STORE_CTX *ctx, X509_CRL *crl)
+	{
+	X509 *issuer = NULL;
+	EVP_PKEY *ikey = NULL;
+	int ok = 0, chnum, cnum;
+	cnum = ctx->error_depth;
+	chnum = sk_X509_num(ctx->chain) - 1;
+	/* Find CRL issuer: if not last certificate then issuer
+	 * is next certificate in chain.
+	 */
+	if(cnum < chnum)
+		issuer = sk_X509_value(ctx->chain, cnum + 1);
+	else
+		{
+		issuer = sk_X509_value(ctx->chain, chnum);
+		/* If not self signed, can't check signature */
+		if(!ctx->check_issued(ctx, issuer, issuer))
+			{
+			ctx->error = X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER;
+			ok = ctx->verify_cb(0, ctx);
+			if(!ok) goto err;
+			}
+		}
+
+	if(issuer)
+		{
+		/* Check for cRLSign bit if keyUsage present */
+		if ((issuer->ex_flags & EXFLAG_KUSAGE) &&
+			!(issuer->ex_kusage & KU_CRL_SIGN))
+			{
+			ctx->error = X509_V_ERR_KEYUSAGE_NO_CRL_SIGN;
+			ok = ctx->verify_cb(0, ctx);
+			if(!ok) goto err;
+			}
+
+		/* Attempt to get issuer certificate public key */
+		ikey = X509_get_pubkey(issuer);
+
+		if(!ikey)
+			{
+			ctx->error=X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY;
+			ok = ctx->verify_cb(0, ctx);
+			if (!ok) goto err;
+			}
+		else
+			{
+			/* Verify CRL signature */
+			if(X509_CRL_verify(crl, ikey) <= 0)
+				{
+				ctx->error=X509_V_ERR_CRL_SIGNATURE_FAILURE;
+				ok = ctx->verify_cb(0, ctx);
+				if (!ok) goto err;
+				}
+			}
+		}
+
+	ok = check_crl_time(ctx, crl, 1);
+	if (!ok)
+		goto err;
+
+	ok = 1;
+
+	err:
+	EVP_PKEY_free(ikey);
+	return ok;
+	}
+
+/* Check certificate against CRL */
+static int cert_crl(X509_STORE_CTX *ctx, X509_CRL *crl, X509 *x)
+	{
+	int idx, ok;
+	X509_REVOKED rtmp;
+	STACK_OF(X509_EXTENSION) *exts;
+	X509_EXTENSION *ext;
+	/* Look for serial number of certificate in CRL */
+	rtmp.serialNumber = X509_get_serialNumber(x);
+	/* Sort revoked into serial number order if not already sorted.
+	 * Do this under a lock to avoid race condition.
+ 	 */
+	if (!sk_X509_REVOKED_is_sorted(crl->crl->revoked))
+		{
+		CRYPTO_w_lock(CRYPTO_LOCK_X509_CRL);
+		sk_X509_REVOKED_sort(crl->crl->revoked);
+		CRYPTO_w_unlock(CRYPTO_LOCK_X509_CRL);
+		}
+	idx = sk_X509_REVOKED_find(crl->crl->revoked, &rtmp);
+	/* If found assume revoked: want something cleverer than
+	 * this to handle entry extensions in V2 CRLs.
+	 */
+	if(idx >= 0)
+		{
+		ctx->error = X509_V_ERR_CERT_REVOKED;
+		ok = ctx->verify_cb(0, ctx);
+		if (!ok) return 0;
+		}
+
+	if (ctx->param->flags & X509_V_FLAG_IGNORE_CRITICAL)
+		return 1;
+
+	/* See if we have any critical CRL extensions: since we
+	 * currently don't handle any CRL extensions the CRL must be
+	 * rejected. 
+	 * This code accesses the X509_CRL structure directly: applications
+	 * shouldn't do this.
+	 */
+
+	exts = crl->crl->extensions;
+
+	for (idx = 0; idx < sk_X509_EXTENSION_num(exts); idx++)
+		{
+		ext = sk_X509_EXTENSION_value(exts, idx);
+		if (ext->critical > 0)
+			{
+			ctx->error =
+				X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION;
+			ok = ctx->verify_cb(0, ctx);
+			if(!ok) return 0;
+			break;
+			}
+		}
+	return 1;
+	}
+
+static int check_policy(X509_STORE_CTX *ctx)
+	{
+	int ret;
+	ret = X509_policy_check(&ctx->tree, &ctx->explicit_policy, ctx->chain,
+				ctx->param->policies, ctx->param->flags);
+	if (ret == 0)
+		{
+		X509err(X509_F_CHECK_POLICY,ERR_R_MALLOC_FAILURE);
+		return 0;
+		}
+	/* Invalid or inconsistent extensions */
+	if (ret == -1)
+		{
+		/* Locate certificates with bad extensions and notify
+		 * callback.
+		 */
+		X509 *x;
+		int i;
+		for (i = 1; i < sk_X509_num(ctx->chain); i++)
+			{
+			x = sk_X509_value(ctx->chain, i);
+			if (!(x->ex_flags & EXFLAG_INVALID_POLICY))
+				continue;
+			ctx->current_cert = x;
+			ctx->error = X509_V_ERR_INVALID_POLICY_EXTENSION;
+			ret = ctx->verify_cb(0, ctx);
+			}
+		return 1;
+		}
+	if (ret == -2)
+		{
+		ctx->current_cert = NULL;
+		ctx->error = X509_V_ERR_NO_EXPLICIT_POLICY;
+		return ctx->verify_cb(0, ctx);
+		}
+
+	if (ctx->param->flags & X509_V_FLAG_NOTIFY_POLICY)
+		{
+		ctx->current_cert = NULL;
+		ctx->error = X509_V_OK;
+		if (!ctx->verify_cb(2, ctx))
+			return 0;
+		}
+
+	return 1;
+	}
+
+static int check_cert_time(X509_STORE_CTX *ctx, X509 *x)
+	{
+	time_t *ptime;
+	int i;
+
+	if (ctx->param->flags & X509_V_FLAG_USE_CHECK_TIME)
+		ptime = &ctx->param->check_time;
+	else
+		ptime = NULL;
+
+	i=X509_cmp_time(X509_get_notBefore(x), ptime);
+	if (i == 0)
+		{
+		ctx->error=X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD;
+		ctx->current_cert=x;
+		if (!ctx->verify_cb(0, ctx))
+			return 0;
+		}
+
+	if (i > 0)
+		{
+		ctx->error=X509_V_ERR_CERT_NOT_YET_VALID;
+		ctx->current_cert=x;
+		if (!ctx->verify_cb(0, ctx))
+			return 0;
+		}
+
+	i=X509_cmp_time(X509_get_notAfter(x), ptime);
+	if (i == 0)
+		{
+		ctx->error=X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD;
+		ctx->current_cert=x;
+		if (!ctx->verify_cb(0, ctx))
+			return 0;
+		}
+
+	if (i < 0)
+		{
+		ctx->error=X509_V_ERR_CERT_HAS_EXPIRED;
+		ctx->current_cert=x;
+		if (!ctx->verify_cb(0, ctx))
+			return 0;
+		}
+
+	return 1;
+	}
+
+static int internal_verify(X509_STORE_CTX *ctx)
+	{
+	int ok=0,n;
+	X509 *xs,*xi;
+	EVP_PKEY *pkey=NULL;
+	int (*cb)(int xok,X509_STORE_CTX *xctx);
+
+	cb=ctx->verify_cb;
+
+	n=sk_X509_num(ctx->chain);
+	ctx->error_depth=n-1;
+	n--;
+	xi=sk_X509_value(ctx->chain,n);
+
+	if (ctx->check_issued(ctx, xi, xi))
+		xs=xi;
+	else
+		{
+		if (n <= 0)
+			{
+			ctx->error=X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE;
+			ctx->current_cert=xi;
+			ok=cb(0,ctx);
+			goto end;
+			}
+		else
+			{
+			n--;
+			ctx->error_depth=n;
+			xs=sk_X509_value(ctx->chain,n);
+			}
+		}
+
+/*	ctx->error=0;  not needed */
+	while (n >= 0)
+		{
+		ctx->error_depth=n;
+		if (!xs->valid)
+			{
+			if ((pkey=X509_get_pubkey(xi)) == NULL)
+				{
+				ctx->error=X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY;
+				ctx->current_cert=xi;
+				ok=(*cb)(0,ctx);
+				if (!ok) goto end;
+				}
+			else if (X509_verify(xs,pkey) <= 0)
+				/* XXX  For the final trusted self-signed cert,
+				 * this is a waste of time.  That check should
+				 * optional so that e.g. 'openssl x509' can be
+				 * used to detect invalid self-signatures, but
+				 * we don't verify again and again in SSL
+				 * handshakes and the like once the cert has
+				 * been declared trusted. */
+				{
+				ctx->error=X509_V_ERR_CERT_SIGNATURE_FAILURE;
+				ctx->current_cert=xs;
+				ok=(*cb)(0,ctx);
+				if (!ok)
+					{
+					EVP_PKEY_free(pkey);
+					goto end;
+					}
+				}
+			EVP_PKEY_free(pkey);
+			pkey=NULL;
+			}
+
+		xs->valid = 1;
+
+		ok = check_cert_time(ctx, xs);
+		if (!ok)
+			goto end;
+
+		/* The last error (if any) is still in the error value */
+		ctx->current_issuer=xi;
+		ctx->current_cert=xs;
+		ok=(*cb)(1,ctx);
+		if (!ok) goto end;
+
+		n--;
+		if (n >= 0)
+			{
+			xi=xs;
+			xs=sk_X509_value(ctx->chain,n);
+			}
+		}
+	ok=1;
+end:
+	return ok;
+	}
+
+int X509_cmp_current_time(ASN1_TIME *ctm)
+{
+	return X509_cmp_time(ctm, NULL);
+}
+
+int X509_cmp_time(ASN1_TIME *ctm, time_t *cmp_time)
+	{
+	char *str;
+	ASN1_TIME atm;
+	long offset;
+	char buff1[24],buff2[24],*p;
+	int i,j;
+
+	p=buff1;
+	i=ctm->length;
+	str=(char *)ctm->data;
+	if (ctm->type == V_ASN1_UTCTIME)
+		{
+		if ((i < 11) || (i > 17)) return 0;
+		memcpy(p,str,10);
+		p+=10;
+		str+=10;
+		}
+	else
+		{
+		if (i < 13) return 0;
+		memcpy(p,str,12);
+		p+=12;
+		str+=12;
+		}
+
+	if ((*str == 'Z') || (*str == '-') || (*str == '+'))
+		{ *(p++)='0'; *(p++)='0'; }
+	else
+		{ 
+		*(p++)= *(str++);
+		*(p++)= *(str++);
+		/* Skip any fractional seconds... */
+		if (*str == '.')
+			{
+			str++;
+			while ((*str >= '0') && (*str <= '9')) str++;
+			}
+		
+		}
+	*(p++)='Z';
+	*(p++)='\0';
+
+	if (*str == 'Z')
+		offset=0;
+	else
+		{
+		if ((*str != '+') && (*str != '-'))
+			return 0;
+		offset=((str[1]-'0')*10+(str[2]-'0'))*60;
+		offset+=(str[3]-'0')*10+(str[4]-'0');
+		if (*str == '-')
+			offset= -offset;
+		}
+	atm.type=ctm->type;
+	atm.length=sizeof(buff2);
+	atm.data=(unsigned char *)buff2;
+
+	if (X509_time_adj(&atm,-offset*60, cmp_time) == NULL)
+		return 0;
+
+	if (ctm->type == V_ASN1_UTCTIME)
+		{
+		i=(buff1[0]-'0')*10+(buff1[1]-'0');
+		if (i < 50) i+=100; /* cf. RFC 2459 */
+		j=(buff2[0]-'0')*10+(buff2[1]-'0');
+		if (j < 50) j+=100;
+
+		if (i < j) return -1;
+		if (i > j) return 1;
+		}
+	i=strcmp(buff1,buff2);
+	if (i == 0) /* wait a second then return younger :-) */
+		return -1;
+	else
+		return i;
+	}
+
+ASN1_TIME *X509_gmtime_adj(ASN1_TIME *s, long adj)
+{
+	return X509_time_adj(s, adj, NULL);
+}
+
+ASN1_TIME *X509_time_adj(ASN1_TIME *s, long adj, time_t *in_tm)
+	{
+	time_t t;
+	int type = -1;
+
+	if (in_tm) t = *in_tm;
+	else time(&t);
+
+	t+=adj;
+	if (s) type = s->type;
+	if (type == V_ASN1_UTCTIME) return ASN1_UTCTIME_set(s,t);
+	if (type == V_ASN1_GENERALIZEDTIME) return ASN1_GENERALIZEDTIME_set(s, t);
+	return ASN1_TIME_set(s, t);
+	}
+
+int X509_get_pubkey_parameters(EVP_PKEY *pkey, STACK_OF(X509) *chain)
+	{
+	EVP_PKEY *ktmp=NULL,*ktmp2;
+	int i,j;
+
+	if ((pkey != NULL) && !EVP_PKEY_missing_parameters(pkey)) return 1;
+
+	for (i=0; i<sk_X509_num(chain); i++)
+		{
+		ktmp=X509_get_pubkey(sk_X509_value(chain,i));
+		if (ktmp == NULL)
+			{
+			X509err(X509_F_X509_GET_PUBKEY_PARAMETERS,X509_R_UNABLE_TO_GET_CERTS_PUBLIC_KEY);
+			return 0;
+			}
+		if (!EVP_PKEY_missing_parameters(ktmp))
+			break;
+		else
+			{
+			EVP_PKEY_free(ktmp);
+			ktmp=NULL;
+			}
+		}
+	if (ktmp == NULL)
+		{
+		X509err(X509_F_X509_GET_PUBKEY_PARAMETERS,X509_R_UNABLE_TO_FIND_PARAMETERS_IN_CHAIN);
+		return 0;
+		}
+
+	/* first, populate the other certs */
+	for (j=i-1; j >= 0; j--)
+		{
+		ktmp2=X509_get_pubkey(sk_X509_value(chain,j));
+		EVP_PKEY_copy_parameters(ktmp2,ktmp);
+		EVP_PKEY_free(ktmp2);
+		}
+	
+	if (pkey != NULL) EVP_PKEY_copy_parameters(pkey,ktmp);
+	EVP_PKEY_free(ktmp);
+	return 1;
+	}
+
+int X509_STORE_CTX_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
+	     CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
+	{
+	/* This function is (usually) called only once, by
+	 * SSL_get_ex_data_X509_STORE_CTX_idx (ssl/ssl_cert.c). */
+	return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_X509_STORE_CTX, argl, argp,
+			new_func, dup_func, free_func);
+	}
+
+int X509_STORE_CTX_set_ex_data(X509_STORE_CTX *ctx, int idx, void *data)
+	{
+	return CRYPTO_set_ex_data(&ctx->ex_data,idx,data);
+	}
+
+void *X509_STORE_CTX_get_ex_data(X509_STORE_CTX *ctx, int idx)
+	{
+	return CRYPTO_get_ex_data(&ctx->ex_data,idx);
+	}
+
+int X509_STORE_CTX_get_error(X509_STORE_CTX *ctx)
+	{
+	return ctx->error;
+	}
+
+void X509_STORE_CTX_set_error(X509_STORE_CTX *ctx, int err)
+	{
+	ctx->error=err;
+	}
+
+int X509_STORE_CTX_get_error_depth(X509_STORE_CTX *ctx)
+	{
+	return ctx->error_depth;
+	}
+
+X509 *X509_STORE_CTX_get_current_cert(X509_STORE_CTX *ctx)
+	{
+	return ctx->current_cert;
+	}
+
+STACK_OF(X509) *X509_STORE_CTX_get_chain(X509_STORE_CTX *ctx)
+	{
+	return ctx->chain;
+	}
+
+STACK_OF(X509) *X509_STORE_CTX_get1_chain(X509_STORE_CTX *ctx)
+	{
+	int i;
+	X509 *x;
+	STACK_OF(X509) *chain;
+	if (!ctx->chain || !(chain = sk_X509_dup(ctx->chain))) return NULL;
+	for (i = 0; i < sk_X509_num(chain); i++)
+		{
+		x = sk_X509_value(chain, i);
+		CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
+		}
+	return chain;
+	}
+
+void X509_STORE_CTX_set_cert(X509_STORE_CTX *ctx, X509 *x)
+	{
+	ctx->cert=x;
+	}
+
+void X509_STORE_CTX_set_chain(X509_STORE_CTX *ctx, STACK_OF(X509) *sk)
+	{
+	ctx->untrusted=sk;
+	}
+
+void X509_STORE_CTX_set0_crls(X509_STORE_CTX *ctx, STACK_OF(X509_CRL) *sk)
+	{
+	ctx->crls=sk;
+	}
+
+int X509_STORE_CTX_set_purpose(X509_STORE_CTX *ctx, int purpose)
+	{
+	return X509_STORE_CTX_purpose_inherit(ctx, 0, purpose, 0);
+	}
+
+int X509_STORE_CTX_set_trust(X509_STORE_CTX *ctx, int trust)
+	{
+	return X509_STORE_CTX_purpose_inherit(ctx, 0, 0, trust);
+	}
+
+/* This function is used to set the X509_STORE_CTX purpose and trust
+ * values. This is intended to be used when another structure has its
+ * own trust and purpose values which (if set) will be inherited by
+ * the ctx. If they aren't set then we will usually have a default
+ * purpose in mind which should then be used to set the trust value.
+ * An example of this is SSL use: an SSL structure will have its own
+ * purpose and trust settings which the application can set: if they
+ * aren't set then we use the default of SSL client/server.
+ */
+
+int X509_STORE_CTX_purpose_inherit(X509_STORE_CTX *ctx, int def_purpose,
+				int purpose, int trust)
+{
+	int idx;
+	/* If purpose not set use default */
+	if (!purpose) purpose = def_purpose;
+	/* If we have a purpose then check it is valid */
+	if (purpose)
+		{
+		X509_PURPOSE *ptmp;
+		idx = X509_PURPOSE_get_by_id(purpose);
+		if (idx == -1)
+			{
+			X509err(X509_F_X509_STORE_CTX_PURPOSE_INHERIT,
+						X509_R_UNKNOWN_PURPOSE_ID);
+			return 0;
+			}
+		ptmp = X509_PURPOSE_get0(idx);
+		if (ptmp->trust == X509_TRUST_DEFAULT)
+			{
+			idx = X509_PURPOSE_get_by_id(def_purpose);
+			if (idx == -1)
+				{
+				X509err(X509_F_X509_STORE_CTX_PURPOSE_INHERIT,
+						X509_R_UNKNOWN_PURPOSE_ID);
+				return 0;
+				}
+			ptmp = X509_PURPOSE_get0(idx);
+			}
+		/* If trust not set then get from purpose default */
+		if (!trust) trust = ptmp->trust;
+		}
+	if (trust)
+		{
+		idx = X509_TRUST_get_by_id(trust);
+		if (idx == -1)
+			{
+			X509err(X509_F_X509_STORE_CTX_PURPOSE_INHERIT,
+						X509_R_UNKNOWN_TRUST_ID);
+			return 0;
+			}
+		}
+
+	if (purpose && !ctx->param->purpose) ctx->param->purpose = purpose;
+	if (trust && !ctx->param->trust) ctx->param->trust = trust;
+	return 1;
+}
+
+X509_STORE_CTX *X509_STORE_CTX_new(void)
+{
+	X509_STORE_CTX *ctx;
+	ctx = (X509_STORE_CTX *)OPENSSL_malloc(sizeof(X509_STORE_CTX));
+	if (!ctx)
+		{
+		X509err(X509_F_X509_STORE_CTX_NEW,ERR_R_MALLOC_FAILURE);
+		return NULL;
+		}
+	memset(ctx, 0, sizeof(X509_STORE_CTX));
+	return ctx;
+}
+
+void X509_STORE_CTX_free(X509_STORE_CTX *ctx)
+{
+	X509_STORE_CTX_cleanup(ctx);
+	OPENSSL_free(ctx);
+}
+
+int X509_STORE_CTX_init(X509_STORE_CTX *ctx, X509_STORE *store, X509 *x509,
+	     STACK_OF(X509) *chain)
+	{
+	int ret = 1;
+	ctx->ctx=store;
+	ctx->current_method=0;
+	ctx->cert=x509;
+	ctx->untrusted=chain;
+	ctx->crls = NULL;
+	ctx->last_untrusted=0;
+	ctx->other_ctx=NULL;
+	ctx->valid=0;
+	ctx->chain=NULL;
+	ctx->error=0;
+	ctx->explicit_policy=0;
+	ctx->error_depth=0;
+	ctx->current_cert=NULL;
+	ctx->current_issuer=NULL;
+	ctx->tree = NULL;
+
+	ctx->param = X509_VERIFY_PARAM_new();
+
+	if (!ctx->param)
+		{
+		X509err(X509_F_X509_STORE_CTX_INIT,ERR_R_MALLOC_FAILURE);
+		return 0;
+		}
+
+	/* Inherit callbacks and flags from X509_STORE if not set
+	 * use defaults.
+	 */
+
+
+	if (store)
+		ret = X509_VERIFY_PARAM_inherit(ctx->param, store->param);
+	else
+		ctx->param->flags |= X509_VP_FLAG_DEFAULT|X509_VP_FLAG_ONCE;
+
+	if (store)
+		{
+		ctx->verify_cb = store->verify_cb;
+		ctx->cleanup = store->cleanup;
+		}
+	else
+		ctx->cleanup = 0;
+
+	if (ret)
+		ret = X509_VERIFY_PARAM_inherit(ctx->param,
+					X509_VERIFY_PARAM_lookup("default"));
+
+	if (ret == 0)
+		{
+		X509err(X509_F_X509_STORE_CTX_INIT,ERR_R_MALLOC_FAILURE);
+		return 0;
+		}
+
+	if (store && store->check_issued)
+		ctx->check_issued = store->check_issued;
+	else
+		ctx->check_issued = check_issued;
+
+	if (store && store->get_issuer)
+		ctx->get_issuer = store->get_issuer;
+	else
+		ctx->get_issuer = X509_STORE_CTX_get1_issuer;
+
+	if (store && store->verify_cb)
+		ctx->verify_cb = store->verify_cb;
+	else
+		ctx->verify_cb = null_callback;
+
+	if (store && store->verify)
+		ctx->verify = store->verify;
+	else
+		ctx->verify = internal_verify;
+
+	if (store && store->check_revocation)
+		ctx->check_revocation = store->check_revocation;
+	else
+		ctx->check_revocation = check_revocation;
+
+	if (store && store->get_crl)
+		ctx->get_crl = store->get_crl;
+	else
+		ctx->get_crl = get_crl;
+
+	if (store && store->check_crl)
+		ctx->check_crl = store->check_crl;
+	else
+		ctx->check_crl = check_crl;
+
+	if (store && store->cert_crl)
+		ctx->cert_crl = store->cert_crl;
+	else
+		ctx->cert_crl = cert_crl;
+
+	ctx->check_policy = check_policy;
+
+
+	/* This memset() can't make any sense anyway, so it's removed. As
+	 * X509_STORE_CTX_cleanup does a proper "free" on the ex_data, we put a
+	 * corresponding "new" here and remove this bogus initialisation. */
+	/* memset(&(ctx->ex_data),0,sizeof(CRYPTO_EX_DATA)); */
+	if(!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509_STORE_CTX, ctx,
+				&(ctx->ex_data)))
+		{
+		OPENSSL_free(ctx);
+		X509err(X509_F_X509_STORE_CTX_INIT,ERR_R_MALLOC_FAILURE);
+		return 0;
+		}
+	return 1;
+	}
+
+/* Set alternative lookup method: just a STACK of trusted certificates.
+ * This avoids X509_STORE nastiness where it isn't needed.
+ */
+
+void X509_STORE_CTX_trusted_stack(X509_STORE_CTX *ctx, STACK_OF(X509) *sk)
+{
+	ctx->other_ctx = sk;
+	ctx->get_issuer = get_issuer_sk;
+}
+
+void X509_STORE_CTX_cleanup(X509_STORE_CTX *ctx)
+	{
+	if (ctx->cleanup) ctx->cleanup(ctx);
+	if (ctx->param != NULL)
+		{
+		X509_VERIFY_PARAM_free(ctx->param);
+		ctx->param=NULL;
+		}
+	if (ctx->tree != NULL)
+		{
+		X509_policy_tree_free(ctx->tree);
+		ctx->tree=NULL;
+		}
+	if (ctx->chain != NULL)
+		{
+		sk_X509_pop_free(ctx->chain,X509_free);
+		ctx->chain=NULL;
+		}
+	CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509_STORE_CTX, ctx, &(ctx->ex_data));
+	memset(&ctx->ex_data,0,sizeof(CRYPTO_EX_DATA));
+	}
+
+void X509_STORE_CTX_set_depth(X509_STORE_CTX *ctx, int depth)
+	{
+	X509_VERIFY_PARAM_set_depth(ctx->param, depth);
+	}
+
+void X509_STORE_CTX_set_flags(X509_STORE_CTX *ctx, unsigned long flags)
+	{
+	X509_VERIFY_PARAM_set_flags(ctx->param, flags);
+	}
+
+void X509_STORE_CTX_set_time(X509_STORE_CTX *ctx, unsigned long flags, time_t t)
+	{
+	X509_VERIFY_PARAM_set_time(ctx->param, t);
+	}
+
+void X509_STORE_CTX_set_verify_cb(X509_STORE_CTX *ctx,
+				  int (*verify_cb)(int, X509_STORE_CTX *))
+	{
+	ctx->verify_cb=verify_cb;
+	}
+
+X509_POLICY_TREE *X509_STORE_CTX_get0_policy_tree(X509_STORE_CTX *ctx)
+	{
+	return ctx->tree;
+	}
+
+int X509_STORE_CTX_get_explicit_policy(X509_STORE_CTX *ctx)
+	{
+	return ctx->explicit_policy;
+	}
+
+int X509_STORE_CTX_set_default(X509_STORE_CTX *ctx, const char *name)
+	{
+	const X509_VERIFY_PARAM *param;
+	param = X509_VERIFY_PARAM_lookup(name);
+	if (!param)
+		return 0;
+	return X509_VERIFY_PARAM_inherit(ctx->param, param);
+	}
+
+X509_VERIFY_PARAM *X509_STORE_CTX_get0_param(X509_STORE_CTX *ctx)
+	{
+	return ctx->param;
+	}
+
+void X509_STORE_CTX_set0_param(X509_STORE_CTX *ctx, X509_VERIFY_PARAM *param)
+	{
+	if (ctx->param)
+		X509_VERIFY_PARAM_free(ctx->param);
+	ctx->param = param;
+	}
+
+IMPLEMENT_STACK_OF(X509)
+IMPLEMENT_ASN1_SET_OF(X509)
+
+IMPLEMENT_STACK_OF(X509_NAME)
+
+IMPLEMENT_STACK_OF(X509_ATTRIBUTE)
+IMPLEMENT_ASN1_SET_OF(X509_ATTRIBUTE)