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Fixed bug when parsing MX records in DNS. Forging MX records needs to be fixed as well.

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This commit is contained in:
Matias Fontanini
2012-07-03 11:58:51 -03:00
parent 45f4370301
commit ef4594db17
1 changed files with 17 additions and 3 deletions
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20
src/dns.cpp
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@@ -370,8 +370,16 @@ uint32_t Tins::DNS::build_suffix_map(uint32_t index, const list<ResourceRecord*>
index += sizeof(uint16_t);
index += sizeof(ResourceRecord::Info) + sizeof(uint16_t);
uint32_t sz((*it)->data_size());
if(sz > 4)
add_suffix(index, (*it)->data_pointer(), sz);
const uint8_t *ptr = (*it)->data_pointer();
uint32_t data_sz = sz;
if((*it)->info.type == Utils::net_to_host_s(MX)) {
std::cout << "Skippin while building\n";
ptr += 2;
data_sz -= 2;
index += 2;
}
if(data_sz > 4)
add_suffix(index, ptr, data_sz);
index += sz;
}
return index;
@@ -450,8 +458,14 @@ void Tins::DNS::convert_resources(const std::list<ResourceRecord*> &lst, std::li
sz = (*it)->data_size();
if(sz == 4)
addr = Utils::ip_to_string(*(uint32_t*)ptr);
else
else {
if((*it)->info.type == Utils::net_to_host_s(MX)) {
std::cout << "Skippin'\n";
ptr += 2;
sz -= 2;
}
compose_name(ptr, sz, addr);
}
res.push_back(
Resource(dname, addr, Utils::net_to_host_s((*it)->info.type),
Utils::net_to_host_s((*it)->info.qclass), Utils::net_to_host_l((*it)->info.ttl))