1 files changed, 263 insertions, 0 deletions

diff --git a/src/lib/libcrypto/x509/x509_trs.c b/src/lib/libcrypto/x509/x509_trs.c
new file mode 100644
index 0000000000..9f7d67952d
--- /dev/null
+++ b/src/lib/libcrypto/x509/x509_trs.c
@@ -0,0 +1,263 @@
+/* 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_1oidany(X509_TRUST *trust, X509 *x, int flags);
+static int trust_any(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;
+
+/* 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_ANY, 0, trust_any, "Any", 0, NULL},
+{X509_TRUST_SSL_CLIENT, 0, trust_1oidany, "SSL Client", NID_client_auth, NULL},
+{X509_TRUST_SSL_SERVER, 0, trust_1oidany, "SSL Client", NID_server_auth, NULL},
+{X509_TRUST_EMAIL, 0, trust_1oidany, "S/MIME email", NID_email_protect, NULL},
+};
+
+#define X509_TRUST_COUNT        (sizeof(trstandard)/sizeof(X509_TRUST))
+
+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 - (*b)->trust;
+}
+
+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;
+}
+
+
+int X509_check_trust(X509 *x, int id, int flags)
+{
+        X509_TRUST *pt;
+        int idx;
+        if(id == -1) return 1;
+        if(!(idx = X509_TRUST_get_by_id(id)))
+                        return default_trust(id, x, flags);
+        pt = X509_TRUST_get0(idx);
+        return pt->check_trust(pt, x, flags);
+}
+
+int X509_TRUST_get_count(void)
+{
+        if(!trtable) return X509_TRUST_COUNT;
+        return sk_X509_TRUST_num(trtable) + X509_TRUST_COUNT;
+}
+
+X509_TRUST * X509_TRUST_get0(int idx)
+{
+        if(idx < 0) return NULL;
+        if(idx < X509_TRUST_COUNT) return trstandard + idx;
+        return sk_X509_TRUST_value(trtable, idx - X509_TRUST_COUNT);
+}
+
+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;
+}
+
+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 = 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);
+
+        /* Free existing name if dynamic */
+        if(trtmp->flags & X509_TRUST_DYNAMIC_NAME) 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)
+                        Free(p->name);
+                Free(p);
+                }
+        }
+
+void X509_TRUST_cleanup(void)
+{
+        int i;
+        for(i = 0; i < X509_TRUST_COUNT; i++) trtable_free(trstandard + i);
+        sk_X509_TRUST_pop_free(trtable, trtable_free);
+        trtable = NULL;
+}
+
+int X509_TRUST_get_flags(X509_TRUST *xp)
+{
+        return xp->flags;
+}
+
+char *X509_TRUST_get0_name(X509_TRUST *xp)
+{
+        return xp->name;
+}
+
+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) return obj_trust(trust->arg1, x, flags);
+        /* we don't have any trust settings: for compatibility
+         * 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 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;
+}
+
+static int trust_any(X509_TRUST *trust, X509 *x, int flags)
+{
+        return X509_TRUST_TRUSTED;
+}