Index: openssl/crypto/engine/tb_pkmeth.c |
=================================================================== |
--- openssl/crypto/engine/tb_pkmeth.c (revision 0) |
+++ openssl/crypto/engine/tb_pkmeth.c (revision 0) |
@@ -0,0 +1,167 @@ |
+/* ==================================================================== |
+ * Copyright (c) 2006 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 "eng_int.h" |
+#include <openssl/evp.h> |
+ |
+/* If this symbol is defined then ENGINE_get_pkey_meth_engine(), the function |
+ * that is used by EVP to hook in pkey_meth code and cache defaults (etc), will |
+ * display brief debugging summaries to stderr with the 'nid'. */ |
+/* #define ENGINE_PKEY_METH_DEBUG */ |
+ |
+static ENGINE_TABLE *pkey_meth_table = NULL; |
+ |
+void ENGINE_unregister_pkey_meths(ENGINE *e) |
+ { |
+ engine_table_unregister(&pkey_meth_table, e); |
+ } |
+ |
+static void engine_unregister_all_pkey_meths(void) |
+ { |
+ engine_table_cleanup(&pkey_meth_table); |
+ } |
+ |
+int ENGINE_register_pkey_meths(ENGINE *e) |
+ { |
+ if(e->pkey_meths) |
+ { |
+ const int *nids; |
+ int num_nids = e->pkey_meths(e, NULL, &nids, 0); |
+ if(num_nids > 0) |
+ return engine_table_register(&pkey_meth_table, |
+ engine_unregister_all_pkey_meths, e, nids, |
+ num_nids, 0); |
+ } |
+ return 1; |
+ } |
+ |
+void ENGINE_register_all_pkey_meths() |
+ { |
+ ENGINE *e; |
+ |
+ for(e=ENGINE_get_first() ; e ; e=ENGINE_get_next(e)) |
+ ENGINE_register_pkey_meths(e); |
+ } |
+ |
+int ENGINE_set_default_pkey_meths(ENGINE *e) |
+ { |
+ if(e->pkey_meths) |
+ { |
+ const int *nids; |
+ int num_nids = e->pkey_meths(e, NULL, &nids, 0); |
+ if(num_nids > 0) |
+ return engine_table_register(&pkey_meth_table, |
+ engine_unregister_all_pkey_meths, e, nids, |
+ num_nids, 1); |
+ } |
+ return 1; |
+ } |
+ |
+/* Exposed API function to get a functional reference from the implementation |
+ * table (ie. try to get a functional reference from the tabled structural |
+ * references) for a given pkey_meth 'nid' */ |
+ENGINE *ENGINE_get_pkey_meth_engine(int nid) |
+ { |
+ return engine_table_select(&pkey_meth_table, nid); |
+ } |
+ |
+/* Obtains a pkey_meth implementation from an ENGINE functional reference */ |
+const EVP_PKEY_METHOD *ENGINE_get_pkey_meth(ENGINE *e, int nid) |
+ { |
+ EVP_PKEY_METHOD *ret; |
+ ENGINE_PKEY_METHS_PTR fn = ENGINE_get_pkey_meths(e); |
+ if(!fn || !fn(e, &ret, NULL, nid)) |
+ { |
+ ENGINEerr(ENGINE_F_ENGINE_GET_PKEY_METH, |
+ ENGINE_R_UNIMPLEMENTED_PUBLIC_KEY_METHOD); |
+ return NULL; |
+ } |
+ return ret; |
+ } |
+ |
+/* Gets the pkey_meth callback from an ENGINE structure */ |
+ENGINE_PKEY_METHS_PTR ENGINE_get_pkey_meths(const ENGINE *e) |
+ { |
+ return e->pkey_meths; |
+ } |
+ |
+/* Sets the pkey_meth callback in an ENGINE structure */ |
+int ENGINE_set_pkey_meths(ENGINE *e, ENGINE_PKEY_METHS_PTR f) |
+ { |
+ e->pkey_meths = f; |
+ return 1; |
+ } |
+ |
+/* Internal function to free up EVP_PKEY_METHOD structures before an |
+ * ENGINE is destroyed |
+ */ |
+ |
+void engine_pkey_meths_free(ENGINE *e) |
+ { |
+ int i; |
+ EVP_PKEY_METHOD *pkm; |
+ if (e->pkey_meths) |
+ { |
+ const int *pknids; |
+ int npknids; |
+ npknids = e->pkey_meths(e, NULL, &pknids, 0); |
+ for (i = 0; i < npknids; i++) |
+ { |
+ if (e->pkey_meths(e, &pkm, NULL, pknids[i])) |
+ { |
+ EVP_PKEY_meth_free(pkm); |
+ } |
+ } |
+ } |
+ } |