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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /openssl/crypto/x509/x509_trs.c
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Diffstat (limited to 'openssl/crypto/x509/x509_trs.c')
-rw-r--r--openssl/crypto/x509/x509_trs.c287
1 files changed, 287 insertions, 0 deletions
diff --git a/openssl/crypto/x509/x509_trs.c b/openssl/crypto/x509/x509_trs.c
new file mode 100644
index 000000000..ed1870058
--- /dev/null
+++ b/openssl/crypto/x509/x509_trs.c
@@ -0,0 +1,287 @@
+/* x509_trs.c */
+/* Written by Dr Stephen N Henson (steve@openssl.org) 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(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;
+
+/* 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}
+};
+
+#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(const X509_TRUST * const *a,
+ const X509_TRUST * const *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;
+ 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);
+}
+
+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 < (int)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_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;
+}
+
+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);
+ }
+ }
+
+void X509_TRUST_cleanup(void)
+{
+ unsigned 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 && (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;
+}
+