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/x509.h>
16 #include <openssl/err.h>
18 int PKCS7_add_attrib_smimecap(PKCS7_SIGNER_INFO *si, STACK_OF(X509_ALGOR) *cap)
21 unsigned char *p, *pp;
23 len=i2d_ASN1_SET_OF_X509_ALGOR(cap,NULL,i2d_X509_ALGOR,
24 V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL,
26 if(!(pp=(unsigned char *)OPENSSL_malloc(len))) {
27 PKCS7err(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP,ERR_R_MALLOC_FAILURE);
31 i2d_ASN1_SET_OF_X509_ALGOR(cap,&p,i2d_X509_ALGOR, V_ASN1_SEQUENCE,
32 V_ASN1_UNIVERSAL, IS_SEQUENCE);
33 if(!(seq = ASN1_STRING_new())) {
34 PKCS7err(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP,ERR_R_MALLOC_FAILURE);
37 if(!ASN1_STRING_set (seq, pp, len)) {
38 PKCS7err(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP,ERR_R_MALLOC_FAILURE);
42 return PKCS7_add_signed_attribute(si, NID_SMIMECapabilities,
43 V_ASN1_SEQUENCE, seq);
46 STACK_OF(X509_ALGOR) *PKCS7_get_smimecap(PKCS7_SIGNER_INFO *si)
50 cap = PKCS7_get_signed_attribute(si, NID_SMIMECapabilities);
51 if (!cap) return NULL;
52 p = cap->value.sequence->data;
53 return d2i_ASN1_SET_OF_X509_ALGOR(NULL, &p,
54 cap->value.sequence->length,
55 d2i_X509_ALGOR, X509_ALGOR_free,
56 V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL);
59 /* Basic smime-capabilities OID and optional integer arg */
60 int PKCS7_simple_smimecap(STACK_OF(X509_ALGOR) *sk, int nid, int arg)
64 if(!(alg = X509_ALGOR_new())) {
65 PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE);
68 ASN1_OBJECT_free(alg->algorithm);
69 alg->algorithm = OBJ_nid2obj (nid);
72 if(!(alg->parameter = ASN1_TYPE_new())) {
73 PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE);
76 if(!(nbit = ASN1_INTEGER_new())) {
77 PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE);
80 if(!ASN1_INTEGER_set (nbit, arg)) {
81 PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE);
84 alg->parameter->value.integer = nbit;
85 alg->parameter->type = V_ASN1_INTEGER;
87 sk_X509_ALGOR_push (sk, alg);