int
nsec3_has_type(struct ub_packed_rrset_key* rrset, int r, uint16_t type)
{
uint8_t* bitmap;
size_t bitlen, skiplen;
struct packed_rrset_data* d = (struct packed_rrset_data*)
rrset->entry.data;
log_assert(d && r < (int)d->count);
skiplen = 2+4;
/* skip salt */
if(d->rr_len[r] < skiplen+1)
return 0; /* malformed, too short */
skiplen += 1+(size_t)d->rr_data[r][skiplen];
/* skip next hashed owner */
if(d->rr_len[r] < skiplen+1)
return 0; /* malformed, too short */
skiplen += 1+(size_t)d->rr_data[r][skiplen];
if(d->rr_len[r] < skiplen)
return 0; /* malformed, too short */
bitlen = d->rr_len[r] - skiplen;
bitmap = d->rr_data[r]+skiplen;
return nsecbitmap_has_type_rdata(bitmap, bitlen, type);
}
/** helper for unittest of NSEC routines */
static int
unitest_nsec_has_type_rdata(char* bitmap, size_t len, uint16_t type)
{
return nsecbitmap_has_type_rdata((uint8_t*)bitmap, len, type);
}
