--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ssl/libcrypto/src/crypto/x509/x509_trs.c	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,310 @@
+/* x509_trs.c */
+/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+ * project 1999.
+ */
+/* ====================================================================
+ * Copyright (c) 1999 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).
+ *
+ */
+ /*
+ © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include <openssl/x509v3.h>
+#if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))
+#include "libcrypto_wsd_macros.h"
+#include "libcrypto_wsd.h"
+#endif
+
+
+static int tr_cmp(const X509_TRUST * const *a,
+		const X509_TRUST * const *b);
+static void trtable_free(X509_TRUST *p);
+
+static int trust_1oidany(X509_TRUST *trust, X509 *x, int flags);
+static int trust_1oid(X509_TRUST *trust, X509 *x, int flags);
+static int trust_compat(X509_TRUST *trust, X509 *x, int flags);
+
+static int obj_trust(int id, X509 *x, int flags);
+static int (*default_trust)(int id, X509 *x, int flags) = obj_trust;
+
+
+#ifndef EMULATOR
+/* WARNING: the following table should be kept in order of trust
+ * and without any gaps so we can just subtract the minimum trust
+ * value to get an index into the table
+ */
+
+static X509_TRUST trstandard[] = {
+{X509_TRUST_COMPAT, 0, trust_compat, "compatible", 0, NULL},
+{X509_TRUST_SSL_CLIENT, 0, trust_1oidany, "SSL Client", NID_client_auth, NULL},
+{X509_TRUST_SSL_SERVER, 0, trust_1oidany, "SSL Server", NID_server_auth, NULL},
+{X509_TRUST_EMAIL, 0, trust_1oidany, "S/MIME email", NID_email_protect, NULL},
+{X509_TRUST_OBJECT_SIGN, 0, trust_1oidany, "Object Signer", NID_code_sign, NULL},
+{X509_TRUST_OCSP_SIGN, 0, trust_1oid, "OCSP responder", NID_OCSP_sign, NULL},
+{X509_TRUST_OCSP_REQUEST, 0, trust_1oid, "OCSP request", NID_ad_OCSP, NULL}
+};
+#else
+static const X509_TRUST trstandard[] = {
+{X509_TRUST_COMPAT, 0, trust_compat, "compatible", 0, NULL},
+{X509_TRUST_SSL_CLIENT, 0, trust_1oidany, "SSL Client", NID_client_auth, NULL},
+{X509_TRUST_SSL_SERVER, 0, trust_1oidany, "SSL Server", NID_server_auth, NULL},
+{X509_TRUST_EMAIL, 0, trust_1oidany, "S/MIME email", NID_email_protect, NULL},
+{X509_TRUST_OBJECT_SIGN, 0, trust_1oidany, "Object Signer", NID_code_sign, NULL},
+{X509_TRUST_OCSP_SIGN, 0, trust_1oid, "OCSP responder", NID_OCSP_sign, NULL},
+{X509_TRUST_OCSP_REQUEST, 0, trust_1oid, "OCSP request", NID_ad_OCSP, NULL}
+};
+#endif
+#define X509_TRUST_COUNT	(sizeof(trstandard)/sizeof(X509_TRUST))
+
+IMPLEMENT_STACK_OF(X509_TRUST)
+#ifndef EMULATOR
+static STACK_OF(X509_TRUST) *trtable = NULL;
+#else
+GET_STATIC_VAR_FROM_TLS(trtable,x509_trs,STACK_OF(X509_TRUST) *)
+#define trtable (*GET_WSD_VAR_NAME(trtable,x509_trs, s)())
+#endif
+
+static int tr_cmp(const X509_TRUST * const *a,
+		const X509_TRUST * const *b)
+{
+	return (*a)->trust - (*b)->trust;
+}
+
+EXPORT_C int (*X509_TRUST_set_default(int (*trust)(int , X509 *, int)))(int, X509 *, int)
+{
+	int (*oldtrust)(int , X509 *, int);
+	oldtrust = default_trust;
+	default_trust = trust;
+	return oldtrust;
+}
+
+
+EXPORT_C int X509_check_trust(X509 *x, int id, int flags)
+{
+	X509_TRUST *pt;
+	int idx;
+	if(id == -1) return 1;
+	idx = X509_TRUST_get_by_id(id);
+	if(idx == -1) return default_trust(id, x, flags);
+	pt = X509_TRUST_get0(idx);
+	return pt->check_trust(pt, x, flags);
+}
+
+EXPORT_C int X509_TRUST_get_count(void)
+{
+	if(!trtable) return X509_TRUST_COUNT;
+	return sk_X509_TRUST_num(trtable) + X509_TRUST_COUNT;
+}
+
+EXPORT_C X509_TRUST * X509_TRUST_get0(int idx)
+{
+	if(idx < 0) return NULL;
+	if(idx < (int)X509_TRUST_COUNT) return ((X509_TRUST *)trstandard + idx);
+	return sk_X509_TRUST_value(trtable, idx - X509_TRUST_COUNT);
+}
+
+EXPORT_C int X509_TRUST_get_by_id(int id)
+{
+	X509_TRUST tmp;
+	int idx;
+	if((id >= X509_TRUST_MIN) && (id <= X509_TRUST_MAX))
+				 return id - X509_TRUST_MIN;
+	tmp.trust = id;
+	if(!trtable) return -1;
+	idx = sk_X509_TRUST_find(trtable, &tmp);
+	if(idx == -1) return -1;
+	return idx + X509_TRUST_COUNT;
+}
+
+EXPORT_C int X509_TRUST_set(int *t, int trust)
+{
+	if(X509_TRUST_get_by_id(trust) == -1) {
+		X509err(X509_F_X509_TRUST_SET, X509_R_INVALID_TRUST);
+		return 0;
+	}
+	*t = trust;
+	return 1;
+}
+
+EXPORT_C int X509_TRUST_add(int id, int flags, int (*ck)(X509_TRUST *, X509 *, int),
+					char *name, int arg1, void *arg2)
+{
+	int idx;
+	X509_TRUST *trtmp;
+	/* This is set according to what we change: application can't set it */
+	flags &= ~X509_TRUST_DYNAMIC;
+	/* This will always be set for application modified trust entries */
+	flags |= X509_TRUST_DYNAMIC_NAME;
+	/* Get existing entry if any */
+	idx = X509_TRUST_get_by_id(id);
+	/* Need a new entry */
+	if(idx == -1) {
+		if(!(trtmp = OPENSSL_malloc(sizeof(X509_TRUST)))) {
+			X509err(X509_F_X509_TRUST_ADD,ERR_R_MALLOC_FAILURE);
+			return 0;
+		}
+		trtmp->flags = X509_TRUST_DYNAMIC;
+	} else trtmp = X509_TRUST_get0(idx);
+
+	/* OPENSSL_free existing name if dynamic */
+	if(trtmp->flags & X509_TRUST_DYNAMIC_NAME) OPENSSL_free(trtmp->name);
+	/* dup supplied name */
+	if(!(trtmp->name = BUF_strdup(name))) {
+		X509err(X509_F_X509_TRUST_ADD,ERR_R_MALLOC_FAILURE);
+		return 0;
+	}
+	/* Keep the dynamic flag of existing entry */
+	trtmp->flags &= X509_TRUST_DYNAMIC;
+	/* Set all other flags */
+	trtmp->flags |= flags;
+
+	trtmp->trust = id;
+	trtmp->check_trust = ck;
+	trtmp->arg1 = arg1;
+	trtmp->arg2 = arg2;
+
+	/* If its a new entry manage the dynamic table */
+	if(idx == -1) {
+		if(!trtable && !(trtable = sk_X509_TRUST_new(tr_cmp))) {
+			X509err(X509_F_X509_TRUST_ADD,ERR_R_MALLOC_FAILURE);
+			return 0;
+		}
+		if (!sk_X509_TRUST_push(trtable, trtmp)) {
+			X509err(X509_F_X509_TRUST_ADD,ERR_R_MALLOC_FAILURE);
+			return 0;
+		}
+	}
+	return 1;
+}
+
+static void trtable_free(X509_TRUST *p)
+	{
+	if(!p) return;
+	if (p->flags & X509_TRUST_DYNAMIC) 
+		{
+		if (p->flags & X509_TRUST_DYNAMIC_NAME)
+			OPENSSL_free(p->name);
+		OPENSSL_free(p);
+		}
+	}
+
+EXPORT_C void X509_TRUST_cleanup(void)
+{
+	unsigned int i;
+	for(i = 0; i < X509_TRUST_COUNT; i++) trtable_free((X509_TRUST *)trstandard + i);
+	sk_X509_TRUST_pop_free(trtable, trtable_free);
+	trtable = NULL;
+}
+
+EXPORT_C int X509_TRUST_get_flags(X509_TRUST *xp)
+{
+	return xp->flags;
+}
+
+EXPORT_C char *X509_TRUST_get0_name(X509_TRUST *xp)
+{
+	return xp->name;
+}
+
+EXPORT_C int X509_TRUST_get_trust(X509_TRUST *xp)
+{
+	return xp->trust;
+}
+
+static int trust_1oidany(X509_TRUST *trust, X509 *x, int flags)
+{
+	if(x->aux && (x->aux->trust || x->aux->reject))
+		return obj_trust(trust->arg1, x, flags);
+	/* we don't have any trust settings: for compatibility
+	 * we return trusted if it is self signed
+	 */
+	return trust_compat(trust, x, flags);
+}
+
+static int trust_1oid(X509_TRUST *trust, X509 *x, int flags)
+{
+	if(x->aux) return obj_trust(trust->arg1, x, flags);
+	return X509_TRUST_UNTRUSTED;
+}
+
+static int trust_compat(X509_TRUST *trust, X509 *x, int flags)
+{
+	X509_check_purpose(x, -1, 0);
+	if(x->ex_flags & EXFLAG_SS) return X509_TRUST_TRUSTED;
+	else return X509_TRUST_UNTRUSTED;
+}
+
+static int obj_trust(int id, X509 *x, int flags)
+{
+	ASN1_OBJECT *obj;
+	int i;
+	X509_CERT_AUX *ax;
+	ax = x->aux;
+	if(!ax) return X509_TRUST_UNTRUSTED;
+	if(ax->reject) {
+		for(i = 0; i < sk_ASN1_OBJECT_num(ax->reject); i++) {
+			obj = sk_ASN1_OBJECT_value(ax->reject, i);
+			if(OBJ_obj2nid(obj) == id) return X509_TRUST_REJECTED;
+		}
+	}	
+	if(ax->trust) {
+		for(i = 0; i < sk_ASN1_OBJECT_num(ax->trust); i++) {
+			obj = sk_ASN1_OBJECT_value(ax->trust, i);
+			if(OBJ_obj2nid(obj) == id) return X509_TRUST_TRUSTED;
+		}
+	}
+	return X509_TRUST_UNTRUSTED;
+}
+