inline size_t name_entry::write_der(void* buf) const
{
unsigned char* out = static_cast<unsigned char*>(buf);
unsigned char** pout = out != NULL ? &out : NULL;
int result = i2d_X509_NAME_ENTRY(ptr().get(), pout);
error::throw_error_if(result < 0);
return result;
}
static int i2d_X509_NAME_entries(X509_NAME *a)
{
X509_NAME_ENTRY *ne,*fe=NULL;
STACK_OF(X509_NAME_ENTRY) *sk;
BUF_MEM *buf=NULL;
int set=0,r,ret=0;
int i;
unsigned char *p;
int size=0;
sk=a->entries;
for (i=0; i<sk_X509_NAME_ENTRY_num(sk); i++)
{
ne=sk_X509_NAME_ENTRY_value(sk,i);
if (fe == NULL)
{
fe=ne;
size=0;
}
if (ne->set != set)
{
ret+=ASN1_object_size(1,size,V_ASN1_SET);
fe->size=size;
fe=ne;
size=0;
set=ne->set;
}
size+=i2d_X509_NAME_ENTRY(ne,NULL);
}
if (fe != NULL)
{
/* SET OF needed only if entries is non empty */
ret+=ASN1_object_size(1,size,V_ASN1_SET);
fe->size=size;
}
r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE);
buf=a->bytes;
if (!BUF_MEM_grow(buf,r)) goto err;
p=(unsigned char *)buf->data;
ASN1_put_object(&p,1,ret,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);
set= -1;
for (i=0; i<sk_X509_NAME_ENTRY_num(sk); i++)
{
ne=sk_X509_NAME_ENTRY_value(sk,i);
if (set != ne->set)
{
set=ne->set;
ASN1_put_object(&p,1,ne->size,
V_ASN1_SET,V_ASN1_UNIVERSAL);
}
i2d_X509_NAME_ENTRY(ne,&p);
}
a->modified=0;
return(r);
err:
return(-1);
}
