void jdns_packet_resource_add_name(jdns_packet_resource_t *a, const jdns_string_t *name)
{
jdns_packet_write_t *write = jdns_packet_write_new();
write->type = JDNS_PACKET_WRITE_NAME;
write->value = jdns_string_copy(name);
jdns_list_insert_value(a->writelog, write, -1);
jdns_packet_write_delete(write);
}
void jdns_packet_resource_add_bytes(jdns_packet_resource_t *a, const unsigned char *data, int size)
{
jdns_packet_write_t *write = jdns_packet_write_new();
write->type = JDNS_PACKET_WRITE_RAW;
write->value = jdns_string_new();
jdns_string_set(write->value, data, size);
jdns_list_insert_value(a->writelog, write, -1);
jdns_packet_write_delete(write);
}
static int process_rrsection(jdns_list_t *dest, int count, const unsigned char *data, int size, const unsigned char **bufp)
{
int n;
int offset, at;
jdns_string_t *name = 0;
const unsigned char *buf;
buf = *bufp;
for(n = 0; n < count; ++n)
{
jdns_packet_resource_t *r;
offset = buf - data;
at = 0;
if(!readlabel(data + offset, size - offset, data, size, &at, &name))
goto error;
offset += at;
// need 10 more bytes
if(offset + 10 > size)
goto error;
buf = data + offset;
r = jdns_packet_resource_new();
r->qname = name;
name = 0;
r->qtype = net2short(&buf);
r->qclass = net2short(&buf);
r->ttl = net2long(&buf);
r->rdlength = net2short(&buf);
offset = buf - data;
// make sure we have enough for the rdata
if(size - offset < r->rdlength)
{
jdns_packet_resource_delete(r);
goto error;
}
r->rdata = jdns_copy_array(buf, r->rdlength);
buf += r->rdlength;
jdns_list_insert_value(dest, r, -1);
jdns_packet_resource_delete(r);
}
*bufp = buf;
return 1;
error:
jdns_string_delete(name);
return 0;
}
static int process_qsection(jdns_list_t *dest, int count, const unsigned char *data, int size, const unsigned char **bufp)
{
int n;
int offset, at;
jdns_string_t *name = 0;
const unsigned char *buf;
buf = *bufp;
for(n = 0; n < count; ++n)
{
jdns_packet_question_t *q;
offset = buf - data;
at = 0;
if(!readlabel(data + offset, size - offset, data, size, &at, &name))
goto error;
offset += at;
// need 4 more bytes
if(size - offset < 4)
goto error;
buf = data + offset;
q = jdns_packet_question_new();
q->qname = name;
name = 0;
q->qtype = net2short(&buf);
q->qclass = net2short(&buf);
jdns_list_insert_value(dest, q, -1);
jdns_packet_question_delete(q);
}
*bufp = buf;
return 1;
error:
jdns_string_delete(name);
return 0;
}
