3 * Copyright (C) 1997-8 Dr S N Henson (shenson@bigfoot.com)
5 * Redistribution of this code without the authors permission is expressly
11 #include <openssl/bio.h>
12 #include <openssl/asn1.h>
13 #include <openssl/pem.h>
14 #include <openssl/pkcs7.h>
15 #include <openssl/err.h>
17 int PKCS7_add_attrib_smimecap(PKCS7_SIGNER_INFO *si, STACK_OF(X509_ALGOR) *cap)
20 unsigned char *p, *pp;
22 len=i2d_ASN1_SET_OF_X509_ALGOR(cap,NULL,i2d_X509_ALGOR,
23 V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL,
25 if(!(pp=(unsigned char *)Malloc(len))) {
26 PKCS7err(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP,ERR_R_MALLOC_FAILURE);
30 i2d_ASN1_SET_OF_X509_ALGOR(cap,&p,i2d_X509_ALGOR, V_ASN1_SEQUENCE,
31 V_ASN1_UNIVERSAL, IS_SEQUENCE);
32 if(!(seq = ASN1_STRING_new())) {
33 PKCS7err(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP,ERR_R_MALLOC_FAILURE);
36 if(!ASN1_STRING_set (seq, pp, len)) {
37 PKCS7err(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP,ERR_R_MALLOC_FAILURE);
41 return PKCS7_add_signed_attribute(si, NID_SMIMECapabilities,
42 V_ASN1_SEQUENCE, seq);
45 STACK *PKCS7_get_smimecap(PKCS7_SIGNER_INFO *si)
49 cap = PKCS7_get_signed_attribute(si, NID_SMIMECapabilities);
50 if (!cap) return NULL;
51 p = cap->value.sequence->data;
52 return d2i_ASN1_SET (NULL, &p, cap->value.sequence->length,
53 (char *(*)())d2i_X509_ALGOR, X509_ALGOR_free, V_ASN1_SEQUENCE,
57 /* Basic smime-capabilities OID and optional integer arg */
58 int PKCS7_simple_smimecap(STACK_OF(X509_ALGOR) *sk, int nid, int arg)
62 if(!(alg = X509_ALGOR_new())) {
63 PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE);
66 ASN1_OBJECT_free(alg->algorithm);
67 alg->algorithm = OBJ_nid2obj (nid);
70 if(!(alg->parameter = ASN1_TYPE_new())) {
71 PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE);
74 if(!(nbit = ASN1_INTEGER_new())) {
75 PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE);
78 if(!ASN1_INTEGER_set (nbit, arg)) {
79 PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE);
82 alg->parameter->value.integer = nbit;
83 alg->parameter->type = V_ASN1_INTEGER;
85 sk_X509_ALGOR_push (sk, alg);