release/src/router/openssl/crypto/cms/cms_io.c

   1 /* crypto/cms/cms_io.c */
   2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   3  * project.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 2008 The OpenSSL Project.  All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in
  17  *    the documentation and/or other materials provided with the
  18  *    distribution.
  19  *
  20  * 3. All advertising materials mentioning features or use of this
  21  *    software must display the following acknowledgment:
  22  *    "This product includes software developed by the OpenSSL Project
  23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  24  *
  25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  26  *    endorse or promote products derived from this software without
  27  *    prior written permission. For written permission, please contact
  28  *    licensing@OpenSSL.org.
  29  *
  30  * 5. Products derived from this software may not be called "OpenSSL"
  31  *    nor may "OpenSSL" appear in their names without prior written
  32  *    permission of the OpenSSL Project.
  33  *
  34  * 6. Redistributions of any form whatsoever must retain the following
  35  *    acknowledgment:
  36  *    "This product includes software developed by the OpenSSL Project
  37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  38  *
  39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  50  * OF THE POSSIBILITY OF SUCH DAMAGE.
  51  * ====================================================================
  52  */
  53
  54 #include <openssl/asn1t.h>
  55 #include <openssl/x509.h>
  56 #include <openssl/err.h>
  57 #include <openssl/pem.h>
  58 #include "cms.h"
  59 #include "cms_lcl.h"
  60
  61 int CMS_stream(unsigned char ***boundary, CMS_ContentInfo *cms)
  62         {
  63         ASN1_OCTET_STRING **pos;
  64         pos = CMS_get0_content(cms);
  65         if (!pos)
  66                 return 0;
  67         if (!*pos)
  68                 *pos = ASN1_OCTET_STRING_new();
  69         if (*pos)
  70                 {
  71                 (*pos)->flags |= ASN1_STRING_FLAG_NDEF;
  72                 (*pos)->flags &= ~ASN1_STRING_FLAG_CONT;
  73                 *boundary = &(*pos)->data;
  74                 return 1;
  75                 }
  76         CMSerr(CMS_F_CMS_STREAM, ERR_R_MALLOC_FAILURE);
  77         return 0;
  78         }
  79
  80 CMS_ContentInfo *d2i_CMS_bio(BIO *bp, CMS_ContentInfo **cms)
  81         {
  82         return ASN1_item_d2i_bio(ASN1_ITEM_rptr(CMS_ContentInfo), bp, cms);
  83         }
  84
  85 int i2d_CMS_bio(BIO *bp, CMS_ContentInfo *cms)
  86         {
  87         return ASN1_item_i2d_bio(ASN1_ITEM_rptr(CMS_ContentInfo), bp, cms);
  88         }
  89
  90 IMPLEMENT_PEM_rw_const(CMS, CMS_ContentInfo, PEM_STRING_CMS, CMS_ContentInfo)
  91
  92 BIO *BIO_new_CMS(BIO *out, CMS_ContentInfo *cms)
  93         {
  94         return BIO_new_NDEF(out, (ASN1_VALUE *)cms,
  95                                 ASN1_ITEM_rptr(CMS_ContentInfo));
  96         }
  97
  98 /* CMS wrappers round generalised stream and MIME routines */
  99
 100 int i2d_CMS_bio_stream(BIO *out, CMS_ContentInfo *cms, BIO *in, int flags)
 101         {
 102         return i2d_ASN1_bio_stream(out, (ASN1_VALUE *)cms, in, flags,
 103                                         ASN1_ITEM_rptr(CMS_ContentInfo));
 104         }
 105
 106 int PEM_write_bio_CMS_stream(BIO *out, CMS_ContentInfo *cms, BIO *in, int flags)
 107         {
 108         return PEM_write_bio_ASN1_stream(out, (ASN1_VALUE *) cms, in, flags,
 109                                         "CMS",
 110                                         ASN1_ITEM_rptr(CMS_ContentInfo));
 111         }
 112
 113 int SMIME_write_CMS(BIO *bio, CMS_ContentInfo *cms, BIO *data, int flags)
 114         {
 115         STACK_OF(X509_ALGOR) *mdalgs;
 116         int ctype_nid = OBJ_obj2nid(cms->contentType);
 117         int econt_nid = OBJ_obj2nid(CMS_get0_eContentType(cms));
 118         if (ctype_nid == NID_pkcs7_signed)
 119                 mdalgs = cms->d.signedData->digestAlgorithms;
 120         else
 121                 mdalgs = NULL;
 122
 123         return SMIME_write_ASN1(bio, (ASN1_VALUE *)cms, data, flags,
 124                                         ctype_nid, econt_nid, mdalgs,
 125                                         ASN1_ITEM_rptr(CMS_ContentInfo));
 126         }
 127
 128 CMS_ContentInfo *SMIME_read_CMS(BIO *bio, BIO **bcont)
 129         {
 130         return (CMS_ContentInfo *)SMIME_read_ASN1(bio, bcont,
 131                                         ASN1_ITEM_rptr(CMS_ContentInfo));
 132         }
 133