Initial support for pluggable public key ASN1 support. Process most public
[openssl.git] / crypto / asn1 / x_algor.c
index 0ed2c87b6494576b0a37527464a38c0762f3f4fc..63d40cee67122a593f2712ed7d9455f4a74e733e 100644 (file)
-/* crypto/asn1/x_algor.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/* x_algor.c */
+/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+ * project 2000.
+ */
+/* ====================================================================
+ * Copyright (c) 2000 The OpenSSL Project.  All rights reserved.
  *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- * 
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to.  The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- * 
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- * 
  * 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 copyright
- *    notice, this list of conditions and the following disclaimer.
+ *
+ * 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 acknowledgement:
- *    "This product includes cryptographic software written by
- *     Eric Young (eay@cryptsoft.com)"
- *    The word 'cryptographic' can be left out if the rouines from the library
- *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from 
- *    the apps directory (application code) you must include an acknowledgement:
- *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- * 
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS 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 AUTHOR OR 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.
- * 
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed.  i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
-
-#include <stdio.h>
-#include "cryptlib.h"
-#include "asn1_mac.h"
-
-/*
- * ASN1err(ASN1_F_D2I_X509_ALGOR,ASN1_R_LENGTH_MISMATCH);
- * ASN1err(ASN1_F_X509_ALGOR_NEW,ASN1_R_EXPECTING_A_SEQUENCE);
- * ASN1err(ASN1_F_D2I_X509_ALGOR,ASN1_R_LENGTH_MISMATCH);
+ *    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).
+ *
  */
 
-int i2d_X509_ALGOR(a,pp)
-X509_ALGOR *a;
-unsigned char **pp;
-       {
-       M_ASN1_I2D_vars(a);
+#include <stddef.h>
+#include <openssl/x509.h>
+#include <openssl/asn1.h>
+#include <openssl/asn1t.h>
 
-       M_ASN1_I2D_len(a->algorithm,i2d_ASN1_OBJECT);
-       if (a->parameter != NULL)
-               { M_ASN1_I2D_len(a->parameter,i2d_ASN1_TYPE); }
+ASN1_SEQUENCE(X509_ALGOR) = {
+       ASN1_SIMPLE(X509_ALGOR, algorithm, ASN1_OBJECT),
+       ASN1_OPT(X509_ALGOR, parameter, ASN1_ANY)
+} ASN1_SEQUENCE_END(X509_ALGOR)
 
-       M_ASN1_I2D_seq_total();
-       M_ASN1_I2D_put(a->algorithm,i2d_ASN1_OBJECT);
-       if (a->parameter != NULL)
-               { M_ASN1_I2D_put(a->parameter,i2d_ASN1_TYPE); }
+IMPLEMENT_ASN1_FUNCTIONS(X509_ALGOR)
+IMPLEMENT_ASN1_DUP_FUNCTION(X509_ALGOR)
 
-       M_ASN1_I2D_finish();
-       }
+IMPLEMENT_STACK_OF(X509_ALGOR)
+IMPLEMENT_ASN1_SET_OF(X509_ALGOR)
 
-X509_ALGOR *d2i_X509_ALGOR(a,pp,length)
-X509_ALGOR **a;
-unsigned char **pp;
-long length;
+int X509_ALGOR_set0(X509_ALGOR *alg, ASN1_OBJECT *aobj, int ptype, void *pval)
        {
-       M_ASN1_D2I_vars(a,X509_ALGOR *,X509_ALGOR_new);
-
-       M_ASN1_D2I_Init();
-       M_ASN1_D2I_start_sequence();
-       M_ASN1_D2I_get(ret->algorithm,d2i_ASN1_OBJECT);
-       if (!M_ASN1_D2I_end_sequence())
-               { M_ASN1_D2I_get(ret->parameter,d2i_ASN1_TYPE); }
-       else
+       if (!alg)
+               return 0;
+       if (ptype != V_ASN1_UNDEF)
                {
-               ASN1_TYPE_free(ret->parameter);
-               ret->parameter=NULL;
+               if (alg->parameter == NULL)
+                       alg->parameter = ASN1_TYPE_new();
+               if (alg->parameter == NULL)
+                       return 0;
                }
-       M_ASN1_D2I_Finish(a,X509_ALGOR_free,ASN1_F_D2I_X509_ALGOR);
-       }
-
-X509_ALGOR *X509_ALGOR_new()
-       {
-       X509_ALGOR *ret=NULL;
-
-       M_ASN1_New_Malloc(ret,X509_ALGOR);
-       M_ASN1_New(ret->algorithm,ASN1_OBJECT_new);
-       ret->parameter=NULL;
-       return(ret);
-       M_ASN1_New_Error(ASN1_F_X509_ALGOR_NEW);
+       if (alg)
+               {
+               if (alg->algorithm)
+                       ASN1_OBJECT_free(alg->algorithm);
+               alg->algorithm = aobj;
+               }
+       if (ptype == 0)
+               return 1;       
+       if (ptype == V_ASN1_UNDEF)
+               {
+               if (alg->parameter)
+                       {
+                       ASN1_TYPE_free(alg->parameter);
+                       alg->parameter = NULL;
+                       }
+               }
+       else
+               ASN1_TYPE_set(alg->parameter, ptype, pval);
+       return 1;
        }
 
-void X509_ALGOR_free(a)
-X509_ALGOR *a;
+void X509_ALGOR_get0(ASN1_OBJECT **paobj, int *pptype, void **ppval,
+                                               X509_ALGOR *algor)
        {
-       if (a == NULL) return;
-       ASN1_OBJECT_free(a->algorithm);
-       ASN1_TYPE_free(a->parameter);
-       Free((char *)a);
+       if (paobj)
+               *paobj = algor->algorithm;
+       if (*pptype)
+               {
+               if (algor->parameter == NULL)
+                       {
+                       *pptype = V_ASN1_UNDEF;
+                       return;
+                       }
+               else
+                       *pptype = algor->parameter->type;
+               if (ppval)
+                       *ppval = algor->parameter->value.ptr;
+               }
        }