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-rw-r--r--openssl/crypto/pkcs7/pk7_attr.c141
1 files changed, 141 insertions, 0 deletions
diff --git a/openssl/crypto/pkcs7/pk7_attr.c b/openssl/crypto/pkcs7/pk7_attr.c
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index 000000000..d54971716
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+++ b/openssl/crypto/pkcs7/pk7_attr.c
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+/* 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;
+}