1 files changed, 36 insertions, 43 deletions

diff --git a/openssl/crypto/cms/cms_io.c b/openssl/crypto/cms/cms_io.c
index 30f5ddfe6..1cb0264cc 100644
--- a/openssl/crypto/cms/cms_io.c
+++ b/openssl/crypto/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));
 	}
+