diff options
Diffstat (limited to 'openssl/crypto/pkcs7/pk7_attr.c')
| -rw-r--r-- | openssl/crypto/pkcs7/pk7_attr.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/openssl/crypto/pkcs7/pk7_attr.c b/openssl/crypto/pkcs7/pk7_attr.c new file mode 100644 index 000000000..d54971716 --- /dev/null +++ b/openssl/crypto/pkcs7/pk7_attr.c @@ -0,0 +1,141 @@ +/* pk7_attr.c */ +/* Written by Dr Stephen N Henson (steve@openssl.org) 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 <stdio.h> +#include <stdlib.h> +#include <openssl/bio.h> +#include <openssl/asn1.h> +#include <openssl/pem.h> +#include <openssl/pkcs7.h> +#include <openssl/x509.h> +#include <openssl/err.h> + +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; + const 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; +} |