X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fpkcs7%2Fpk7_lib.c;h=8942ae8a53b3e964e19468386f4b09f79a6a485d;hp=21738eebe23065b2eb7dec8a4cc06243c16c1fc5;hb=11d8cdc6ad92d070dd91735511ff9616cf879bbb;hpb=e49978dafed3f0d77eb536f20677a1f22cb0b5a7

diff --git a/crypto/pkcs7/pk7_lib.c b/crypto/pkcs7/pk7_lib.c
index 21738eebe2..8942ae8a53 100644
--- a/crypto/pkcs7/pk7_lib.c
+++ b/crypto/pkcs7/pk7_lib.c
@@ -594,3 +594,53 @@ int PKCS7_set_cipher(PKCS7 *p7, const EVP_CIPHER *cipher)
 	return 1;
 	}
 
+int PKCS7_stream(unsigned char ***boundary, PKCS7 *p7)
+	{
+	ASN1_OCTET_STRING *os = NULL;
+
+	switch (OBJ_obj2nid(p7->type))
+		{
+		case NID_pkcs7_data:
+		os = p7->d.data;
+		break;
+
+		case NID_pkcs7_signedAndEnveloped:
+		os = p7->d.signed_and_enveloped->enc_data->enc_data;
+		if (os == NULL)
+			{
+			os=M_ASN1_OCTET_STRING_new();
+			p7->d.signed_and_enveloped->enc_data->enc_data=os;
+			}
+		break;
+
+		case NID_pkcs7_enveloped:
+		os = p7->d.enveloped->enc_data->enc_data;
+		if (os == NULL)
+			{
+			os=M_ASN1_OCTET_STRING_new();
+			p7->d.enveloped->enc_data->enc_data=os;
+			}
+		break;
+
+		case NID_pkcs7_signed:
+		os=p7->d.sign->contents->d.data;
+		break;
+
+		default:
+		os = NULL;
+		break;
+		}
+	
+	if (os == NULL)
+		return 0;
+
+	os->flags |= ASN1_STRING_FLAG_NDEF;
+	*boundary = &os->data;
+
+	return 1;
+	}
+
+
+
+
+