diff options
Diffstat (limited to 'crypto/cms/cms_ess.c')
| -rw-r--r-- | crypto/cms/cms_ess.c | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/crypto/cms/cms_ess.c b/crypto/cms/cms_ess.c new file mode 100644 index 0000000000..00cd9dcb43 --- /dev/null +++ b/crypto/cms/cms_ess.c @@ -0,0 +1,184 @@ +/* crypto/cms/cms_ess.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/rand.h> +#include <openssl/x509v3.h> +#include <openssl/err.h> +#include <openssl/cms.h> +#include "cms_lcl.h" +#include "asn1_locl.h" + +DECLARE_ASN1_ITEM(CMS_ReceiptRequest) + +IMPLEMENT_ASN1_FUNCTIONS(CMS_ReceiptRequest) + +/* ESS services: for now just Signed Receipt related */ + +int CMS_get1_ReceiptRequest(CMS_SignerInfo *si, CMS_ReceiptRequest **prr) + { + ASN1_STRING *str; + CMS_ReceiptRequest *rr = NULL; + if (prr) + *prr = NULL; + str = CMS_signed_get0_data_by_OBJ(si, + OBJ_nid2obj(NID_id_smime_aa_receiptRequest), + -3, V_ASN1_SEQUENCE); + if (!str) + return 0; + + rr = ASN1_item_unpack(str, ASN1_ITEM_rptr(CMS_ReceiptRequest)); + if (!rr) + return -1; + if (prr) + *prr = rr; + else + CMS_ReceiptRequest_free(rr); + return 1; + } + +int CMS_add1_ReceiptRequest(CMS_SignerInfo *si, + unsigned char *id, int idlen, + int allorfirst, + STACK_OF(GENERAL_NAMES) *receiptList, + STACK_OF(GENERAL_NAMES) *receiptsTo) + { + CMS_ReceiptRequest *rr = NULL; + STACK_OF(GENERAL_NAMES) *tmpto = NULL; + unsigned char *rrder = NULL; + int rrderlen; + int r = 0; + + rr = CMS_ReceiptRequest_new(); + if (!rr) + goto merr; + if (id) + { + if (!ASN1_STRING_set(rr->signedContentIdentifier, id, idlen)) + goto merr; + } + else + { + if (!ASN1_STRING_set(rr->signedContentIdentifier, NULL, 32)) + goto merr; + if (RAND_pseudo_bytes(rr->signedContentIdentifier->data, 32) + <= 0) + goto err; + } + + tmpto = rr->receiptsTo; + rr->receiptsTo = receiptsTo; + + if (receiptList) + { + rr->receiptsFrom->type = 1; + rr->receiptsFrom->d.receiptList = receiptList; + } + else + { + rr->receiptsFrom->type = 0; + rr->receiptsFrom->d.allOrFirstTier = allorfirst; + } + + rrderlen = i2d_CMS_ReceiptRequest(rr, &rrder); + + r = CMS_signed_add1_attr_by_NID(si, NID_id_smime_aa_receiptRequest, + V_ASN1_SEQUENCE, rrder, rrderlen); + + merr: + CMSerr(CMS_F_CMS_ADD1_RECEIPTREQUEST, ERR_R_MALLOC_FAILURE); + + err: + if (rr) + { + rr->receiptsTo = tmpto; + rr->receiptsFrom->type = 0; + CMS_ReceiptRequest_free(rr); + } + if (rrder) + OPENSSL_free(rrder); + + return r; + + } + +void CMS_ReceiptRequest_get0_values(CMS_ReceiptRequest *rr, + ASN1_STRING **pcid, + int *pallorfirst, + STACK_OF(GENERAL_NAMES) **plist, + STACK_OF(GENERAL_NAMES) **prto) + { + if (pcid) + *pcid = rr->signedContentIdentifier; + if (rr->receiptsFrom->type == 0) + { + if (pallorfirst) + *pallorfirst = (int)rr->receiptsFrom->d.allOrFirstTier; + if (plist) + *plist = NULL; + } + else + { + if (pallorfirst) + *pallorfirst = -1; + if (plist) + *plist = rr->receiptsFrom->d.receiptList; + } + if (prto) + *prto = rr->receiptsTo; + } + + + |