int CMS_dataFinal(CMS_ContentInfo *cms, BIO *cmsbio)
{
ASN1_OCTET_STRING **pos = CMS_get0_content(cms);
if (!pos)
return 0;
/* If ebmedded content find memory BIO and set content */
if (*pos && ((*pos)->flags & ASN1_STRING_FLAG_CONT))
{
BIO *mbio;
unsigned char *cont;
long contlen;
mbio = BIO_find_type(cmsbio, BIO_TYPE_MEM);
if (!mbio)
{
CMSerr(CMS_F_CMS_DATAFINAL, CMS_R_CONTENT_NOT_FOUND);
return 0;
}
contlen = BIO_get_mem_data(mbio, &cont);
/* Set bio as read only so its content can't be clobbered */
BIO_set_flags(mbio, BIO_FLAGS_MEM_RDONLY);
BIO_set_mem_eof_return(mbio, 0);
ASN1_STRING_set0(*pos, cont, contlen);
(*pos)->flags &= ~ASN1_STRING_FLAG_CONT;
}
switch (OBJ_obj2nid(cms->contentType))
{
case NID_pkcs7_data:
case NID_pkcs7_enveloped:
case NID_pkcs7_encrypted:
case NID_id_smime_ct_compressedData:
/* Nothing to do */
return 1;
case NID_pkcs7_signed:
return cms_SignedData_final(cms, cmsbio);
case NID_pkcs7_digest:
return cms_DigestedData_do_final(cms, cmsbio, 0);
default:
CMSerr(CMS_F_CMS_DATAFINAL, CMS_R_UNSUPPORTED_TYPE);
return 0;
}
}
int CMS_digest_verify(CMS_ContentInfo *cms, BIO *dcont, BIO *out,
unsigned int flags)
{
BIO *cont;
int r;
if (OBJ_obj2nid(CMS_get0_type(cms)) != NID_pkcs7_digest) {
CMSerr(CMS_F_CMS_DIGEST_VERIFY, CMS_R_TYPE_NOT_DIGESTED_DATA);
return 0;
}
if (!dcont && !check_content(cms))
return 0;
cont = CMS_dataInit(cms, dcont);
if (!cont)
return 0;
r = cms_copy_content(out, cont, flags);
if (r)
r = cms_DigestedData_do_final(cms, cont, 1);
do_free_upto(cont, dcont);
return r;
}
