Oops! Commit died on me :-(

crypto/x509/x509_trs.c

+/* 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).
+ *
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include <openssl/x509v3.h>
+
+
+static int tr_cmp(X509_TRUST **a, X509_TRUST **b);
+static void trtable_free(X509_TRUST *p);
+
+static int trust_1bit(X509_TRUST *trust, X509 *x, int flags);
+static int trust_any(X509_TRUST *trust, X509 *x, int flags);
+
+static X509_TRUST trstandard[] = {
+{X509_TRUST_ANY, 0, trust_any, "Any", 0, NULL},
+{X509_TRUST_SSL_CLIENT, 0, trust_1bit, "SSL Client", X509_TRUST_BIT_SSL_CLIENT, NULL},
+{X509_TRUST_SSL_SERVER, 0, trust_1bit, "SSL Client", X509_TRUST_BIT_SSL_SERVER, NULL},
+{X509_TRUST_EMAIL, 0, trust_1bit, "S/MIME email", X509_TRUST_BIT_EMAIL, NULL},
+{X509_TRUST_OBJECT_SIGN, 0, trust_1bit, "Object Signing", X509_TRUST_BIT_OBJECT_SIGN, NULL},
+{0, 0, NULL, NULL, 0, NULL}
+};
+
+IMPLEMENT_STACK_OF(X509_TRUST)
+
+static STACK_OF(X509_TRUST) *trtable = NULL;
+
+static int tr_cmp(X509_TRUST **a, X509_TRUST **b)
+{
+	return (*a)->trust_id - (*b)->trust_id;
+}
+
+int X509_check_trust(X509 *x, int id, int flags)
+{
+	int idx;
+	X509_TRUST *pt;
+	if(id == -1) return 1;
+	idx = X509_TRUST_get_by_id(id);
+	if(idx == -1) return -1;
+	pt = sk_X509_TRUST_value(trtable, idx);
+	return pt->check_trust(pt, x, flags);
+}
+
+int X509_TRUST_get_count(void)
+{
+	return sk_X509_TRUST_num(trtable);
+}
+
+X509_TRUST * X509_TRUST_iget(int idx)
+{
+	return sk_X509_TRUST_value(trtable, idx);
+}
+
+int X509_TRUST_get_by_id(int id)
+{
+	X509_TRUST tmp;
+	tmp.trust_id = id;
+	if(!trtable) return -1;
+	return sk_X509_TRUST_find(trtable, &tmp);
+}
+
+int X509_TRUST_add(X509_TRUST *xp)
+{
+	int idx;
+	if(!trtable)
+		{
+		trtable = sk_X509_TRUST_new(tr_cmp);
+		if (!trtable) 
+			{
+			X509err(X509_F_X509_TRUST_ADD,ERR_R_MALLOC_FAILURE);
+			return 0;
+			}
+		}
+			
+	idx = X509_TRUST_get_by_id(xp->trust_id);
+	if(idx != -1) {
+		trtable_free(sk_X509_TRUST_value(trtable, idx));
+		sk_X509_TRUST_set(trtable, idx, xp);
+	} else {
+		if (!sk_X509_TRUST_push(trtable, xp)) {
+			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->trust_flags & X509_TRUST_DYNAMIC) 
+		{
+		if (p->trust_flags & X509_TRUST_DYNAMIC_NAME)
+			Free(p->trust_name);
+		Free(p);
+		}
+	}
+
+void X509_TRUST_cleanup(void)
+{
+	sk_X509_TRUST_pop_free(trtable, trtable_free);
+	trtable = NULL;
+}
+
+void X509_TRUST_add_standard(void)
+{
+	X509_TRUST *xp;
+	for(xp = trstandard; xp->trust_name; xp++)
+		X509_TRUST_add(xp);
+}
+
+int X509_TRUST_get_id(X509_TRUST *xp)
+{
+	return xp->trust_id;
+}
+
+char *X509_TRUST_iget_name(X509_TRUST *xp)
+{
+	return xp->trust_name;
+}
+
+int X509_TRUST_get_trust(X509_TRUST *xp)
+{
+	return xp->trust_id;
+}
+
+static int trust_1bit(X509_TRUST *trust, X509 *x, int flags)
+{
+	X509_CERT_AUX *ax;
+	ax = x->aux;
+	if(ax) {
+		if(ax->reject
+			&& ( ASN1_BIT_STRING_get_bit(ax->reject, X509_TRUST_BIT_ALL)
+			|| ASN1_BIT_STRING_get_bit(ax->reject, trust->arg1)))
+							return X509_TRUST_REJECTED;
+		if(ax->trust && (ASN1_BIT_STRING_get_bit(ax->trust, X509_TRUST_BIT_ALL)
+			|| ASN1_BIT_STRING_get_bit(ax->trust, trust->arg1)))
+							return X509_TRUST_TRUSTED;
+		return X509_TRUST_UNTRUSTED;
+	}
+	/* we don't have any trust settings: for compatability
+	 * we return trusted if it is self signed
+	 */
+	X509_check_purpose(x, -1, 0);
+	if(x->ex_flags & EXFLAG_SS) return X509_TRUST_TRUSTED;
+	else return X509_TRUST_UNTRUSTED;
+}
+
+static int trust_any(X509_TRUST *trust, X509 *x, int flags)
+{
+	return X509_TRUST_TRUSTED;
+}