1 files changed, 36 insertions, 43 deletions

diff --git a/src/lib/libcrypto/cms/cms_io.c b/src/lib/libcrypto/cms/cms_io.c
index 30f5ddfe6d..1cb0264cc5 100644
--- a/src/lib/libcrypto/cms/cms_io.c
+++ b/src/lib/libcrypto/cms/cms_io.c
@@ -58,6 +58,25 @@
 #include "cms.h"
 #include "cms_lcl.h"
 
+int CMS_stream(unsigned char ***boundary, CMS_ContentInfo *cms)
+        {
+        ASN1_OCTET_STRING **pos;
+        pos = CMS_get0_content(cms);
+        if (!pos)
+                return 0;
+        if (!*pos)
+                *pos = ASN1_OCTET_STRING_new();
+        if (*pos)
+                {
+                (*pos)->flags |= ASN1_STRING_FLAG_NDEF;
+                (*pos)->flags &= ~ASN1_STRING_FLAG_CONT;
+                *boundary = &(*pos)->data;
+                return 1;
+                }
+        CMSerr(CMS_F_CMS_STREAM, ERR_R_MALLOC_FAILURE);
+        return 0;
+        }
+
 CMS_ContentInfo *d2i_CMS_bio(BIO *bp, CMS_ContentInfo **cms)
         {
         return ASN1_item_d2i_bio(ASN1_ITEM_rptr(CMS_ContentInfo), bp, cms);
@@ -70,52 +89,26 @@ int i2d_CMS_bio(BIO *bp, CMS_ContentInfo *cms)
 
 IMPLEMENT_PEM_rw_const(CMS, CMS_ContentInfo, PEM_STRING_CMS, CMS_ContentInfo)
 
-/* Callback for int_smime_write_ASN1 */
-
-static int cms_output_data(BIO *out, BIO *data, ASN1_VALUE *val, int flags,
-                                        const ASN1_ITEM *it)
+BIO *BIO_new_CMS(BIO *out, CMS_ContentInfo *cms) 
         {
-        CMS_ContentInfo *cms = (CMS_ContentInfo *)val;
-        BIO *tmpbio, *cmsbio;
-        int r = 0;
-
-        if (!(flags & SMIME_DETACHED))
-                {
-                SMIME_crlf_copy(data, out, flags);
-                return 1;
-                }
-
-        /* Let CMS code prepend any needed BIOs */
-
-        cmsbio = CMS_dataInit(cms, out);
-
-        if (!cmsbio)
-                return 0;
-
-        /* Copy data across, passing through filter BIOs for processing */
-        SMIME_crlf_copy(data, cmsbio, flags);
-
-        /* Finalize structure */
-        if (CMS_dataFinal(cms, cmsbio) <= 0)
-                goto err;
-
-        r = 1;
-
-        err:
-
-        /* Now remove any digests prepended to the BIO */
-
-        while (cmsbio != out)
-                {
-                tmpbio = BIO_pop(cmsbio);
-                BIO_free(cmsbio);
-                cmsbio = tmpbio;
-                }
+        return BIO_new_NDEF(out, (ASN1_VALUE *)cms,
+                                ASN1_ITEM_rptr(CMS_ContentInfo));
+        }
 
-        return 1;
+/* CMS wrappers round generalised stream and MIME routines */
 
+int i2d_CMS_bio_stream(BIO *out, CMS_ContentInfo *cms, BIO *in, int flags)
+        {
+        return i2d_ASN1_bio_stream(out, (ASN1_VALUE *)cms, in, flags,
+                                        ASN1_ITEM_rptr(CMS_ContentInfo));
         }
 
+int PEM_write_bio_CMS_stream(BIO *out, CMS_ContentInfo *cms, BIO *in, int flags)
+        {
+        return PEM_write_bio_ASN1_stream(out, (ASN1_VALUE *) cms, in, flags,
+                                        "CMS",
+                                        ASN1_ITEM_rptr(CMS_ContentInfo));
+        }
 
 int SMIME_write_CMS(BIO *bio, CMS_ContentInfo *cms, BIO *data, int flags)
         {
@@ -127,9 +120,8 @@ int SMIME_write_CMS(BIO *bio, CMS_ContentInfo *cms, BIO *data, int flags)
         else
                 mdalgs = NULL;
 
-        return int_smime_write_ASN1(bio, (ASN1_VALUE *)cms, data, flags,
+        return SMIME_write_ASN1(bio, (ASN1_VALUE *)cms, data, flags,
                                         ctype_nid, econt_nid, mdalgs,
-                                        cms_output_data,
                                         ASN1_ITEM_rptr(CMS_ContentInfo));       
         }
 
@@ -138,3 +130,4 @@ CMS_ContentInfo *SMIME_read_CMS(BIO *bio, BIO **bcont)
         return (CMS_ContentInfo *)SMIME_read_ASN1(bio, bcont,
                                         ASN1_ITEM_rptr(CMS_ContentInfo));
         }
+