/* pk7_attr.c */ /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL * project 2001. */ /* ==================================================================== * Copyright (c) 2001-2004 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. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com). This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * */ #include #include #include #include #include #include #include #include int PKCS7_add_attrib_smimecap(PKCS7_SIGNER_INFO *si, STACK_OF(X509_ALGOR) *cap) { ASN1_STRING *seq; unsigned char *p, *pp; int len; len=i2d_ASN1_SET_OF_X509_ALGOR(cap,NULL,i2d_X509_ALGOR, V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL, IS_SEQUENCE); if(!(pp=(unsigned char *)OPENSSL_malloc(len))) { PKCS7err(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP,ERR_R_MALLOC_FAILURE); return 0; } p=pp; i2d_ASN1_SET_OF_X509_ALGOR(cap,&p,i2d_X509_ALGOR, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, IS_SEQUENCE); if(!(seq = ASN1_STRING_new())) { PKCS7err(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP,ERR_R_MALLOC_FAILURE); return 0; } if(!ASN1_STRING_set (seq, pp, len)) { PKCS7err(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP,ERR_R_MALLOC_FAILURE); return 0; } OPENSSL_free (pp); return PKCS7_add_signed_attribute(si, NID_SMIMECapabilities, V_ASN1_SEQUENCE, seq); } STACK_OF(X509_ALGOR) *PKCS7_get_smimecap(PKCS7_SIGNER_INFO *si) { ASN1_TYPE *cap; unsigned char *p; cap = PKCS7_get_signed_attribute(si, NID_SMIMECapabilities); if (!cap || (cap->type != V_ASN1_SEQUENCE)) return NULL; p = cap->value.sequence->data; return d2i_ASN1_SET_OF_X509_ALGOR(NULL, &p, cap->value.sequence->length, d2i_X509_ALGOR, X509_ALGOR_free, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL); } /* Basic smime-capabilities OID and optional integer arg */ int PKCS7_simple_smimecap(STACK_OF(X509_ALGOR) *sk, int nid, int arg) { X509_ALGOR *alg; if(!(alg = X509_ALGOR_new())) { PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE); return 0; } ASN1_OBJECT_free(alg->algorithm); alg->algorithm = OBJ_nid2obj (nid); if (arg > 0) { ASN1_INTEGER *nbit; if(!(alg->parameter = ASN1_TYPE_new())) { PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE); return 0; } if(!(nbit = ASN1_INTEGER_new())) { PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE); return 0; } if(!ASN1_INTEGER_set (nbit, arg)) { PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE); return 0; } alg->parameter->value.integer = nbit; alg->parameter->type = V_ASN1_INTEGER; } sk_X509_ALGOR_push (sk, alg); return 1; }