aboutsummaryrefslogtreecommitdiff
path: root/openssl/crypto/cms/cms_cd.c
diff options
context:
space:
mode:
Diffstat (limited to 'openssl/crypto/cms/cms_cd.c')
-rw-r--r--openssl/crypto/cms/cms_cd.c134
1 files changed, 134 insertions, 0 deletions
diff --git a/openssl/crypto/cms/cms_cd.c b/openssl/crypto/cms/cms_cd.c
new file mode 100644
index 000000000..a5fc2c4e2
--- /dev/null
+++ b/openssl/crypto/cms/cms_cd.c
@@ -0,0 +1,134 @@
+/* crypto/cms/cms_cd.c */
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+ * project.
+ */
+/* ====================================================================
+ * Copyright (c) 2008 The OpenSSL Project. All rights reserved.
+ *
+ * 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 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 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.
+ * ====================================================================
+ */
+
+#include "cryptlib.h"
+#include <openssl/asn1t.h>
+#include <openssl/pem.h>
+#include <openssl/x509v3.h>
+#include <openssl/err.h>
+#include <openssl/cms.h>
+#include <openssl/bio.h>
+#include <openssl/comp.h>
+#include "cms_lcl.h"
+
+DECLARE_ASN1_ITEM(CMS_CompressedData)
+
+#ifdef ZLIB
+
+/* CMS CompressedData Utilities */
+
+CMS_ContentInfo *cms_CompressedData_create(int comp_nid)
+ {
+ CMS_ContentInfo *cms;
+ CMS_CompressedData *cd;
+ /* Will need something cleverer if there is ever more than one
+ * compression algorithm or parameters have some meaning...
+ */
+ if (comp_nid != NID_zlib_compression)
+ {
+ CMSerr(CMS_F_CMS_COMPRESSEDDATA_CREATE,
+ CMS_R_UNSUPPORTED_COMPRESSION_ALGORITHM);
+ return NULL;
+ }
+ cms = CMS_ContentInfo_new();
+ if (!cms)
+ return NULL;
+
+ cd = M_ASN1_new_of(CMS_CompressedData);
+
+ if (!cd)
+ goto err;
+
+ cms->contentType = OBJ_nid2obj(NID_id_smime_ct_compressedData);
+ cms->d.compressedData = cd;
+
+ cd->version = 0;
+
+ X509_ALGOR_set0(cd->compressionAlgorithm,
+ OBJ_nid2obj(NID_zlib_compression),
+ V_ASN1_UNDEF, NULL);
+
+ cd->encapContentInfo->eContentType = OBJ_nid2obj(NID_pkcs7_data);
+
+ return cms;
+
+ err:
+
+ if (cms)
+ CMS_ContentInfo_free(cms);
+
+ return NULL;
+ }
+
+BIO *cms_CompressedData_init_bio(CMS_ContentInfo *cms)
+ {
+ CMS_CompressedData *cd;
+ ASN1_OBJECT *compoid;
+ if (OBJ_obj2nid(cms->contentType) != NID_id_smime_ct_compressedData)
+ {
+ CMSerr(CMS_F_CMS_COMPRESSEDDATA_INIT_BIO,
+ CMS_R_CONTENT_TYPE_NOT_COMPRESSED_DATA);
+ return NULL;
+ }
+ cd = cms->d.compressedData;
+ X509_ALGOR_get0(&compoid, NULL, NULL, cd->compressionAlgorithm);
+ if (OBJ_obj2nid(compoid) != NID_zlib_compression)
+ {
+ CMSerr(CMS_F_CMS_COMPRESSEDDATA_INIT_BIO,
+ CMS_R_UNSUPPORTED_COMPRESSION_ALGORITHM);
+ return NULL;
+ }
+ return BIO_new(BIO_f_zlib());
+ }
+
+#endif