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-rw-r--r--src/modules/m_dnsbl.cpp53
1 files changed, 42 insertions, 11 deletions
diff --git a/src/modules/m_dnsbl.cpp b/src/modules/m_dnsbl.cpp
index aaf4de05c..5de6f2063 100644
--- a/src/modules/m_dnsbl.cpp
+++ b/src/modules/m_dnsbl.cpp
@@ -32,12 +32,15 @@ class DNSBLConfEntry
{
public:
enum EnumBanaction { I_UNKNOWN, I_KILL, I_ZLINE, I_KLINE, I_GLINE };
+ enum EnumType { A_RECORD, A_BITMASK };
std::string name, domain, reason;
EnumBanaction banaction;
+ EnumType type;
long duration;
int bitmask;
+ unsigned char records[256];
unsigned long stats_hits, stats_misses;
- DNSBLConfEntry(): duration(86400),bitmask(0),stats_hits(0), stats_misses(0) {}
+ DNSBLConfEntry(): type(A_BITMASK),duration(86400),bitmask(0),stats_hits(0), stats_misses(0) {}
~DNSBLConfEntry() { }
};
@@ -60,28 +63,39 @@ class DNSBLResolver : public Resolver
ConfEntry = conf;
}
+ /* Note: This may be called multiple times for multiple A record results */
virtual void OnLookupComplete(const std::string &result, unsigned int ttl, bool cached, int resultnum = 0)
{
+ /* for bitmask reply types, we arent interested in any but the first result (number 0) */
+ if ((ConfEntry->type == DNSBLConfEntry::A_BITMASK) && (resultnum))
+ return;
+
/* Check the user still exists */
if ((them) && (them == ServerInstance->SE->GetRef(theirfd)))
{
// Now we calculate the bitmask: 256*(256*(256*a+b)+c)+d
if(result.length())
{
- unsigned int bitmask = 0;
- bool show = false;
+ unsigned int bitmask = 0, record = 0;
+ bool show = false, match = false;
in_addr resultip;
- /* Convert the result to an in_addr (we can gaurantee we got ipv4)
- * Whoever did the loop that was here before, I AM CONFISCATING
- * YOUR CRACKPIPE. you know who you are. -- Brain
- */
inet_aton(result.c_str(), &resultip);
- bitmask = resultip.s_addr >> 24; /* Last octet (network byte order */
- bitmask &= ConfEntry->bitmask;
+ switch (ConfEntry->type)
+ {
+ case DNSBLConfEntry::A_BITMASK:
+ bitmask = resultip.s_addr >> 24; /* Last octet (network byte order) */
+ bitmask &= ConfEntry->bitmask;
+ match = (bitmask != 0);
+ break;
+ case DNSBLConfEntry::A_RECORD:
+ record = resultip.s_addr >> 24; /* Last octet */
+ match = (ConfEntry->records[record] == 1);
+ break;
+ }
- if (bitmask != 0)
+ if (match)
{
std::string reason = ConfEntry->reason;
std::string::size_type x = reason.find("%ip%");
@@ -222,9 +236,26 @@ class ModuleDNSBL : public Module
e->name = MyConf->ReadValue("dnsbl", "name", i);
e->reason = MyConf->ReadValue("dnsbl", "reason", i);
e->domain = MyConf->ReadValue("dnsbl", "domain", i);
+
+ if (MyConf->ReadValue("dnsbl", "type", i) == "bitmask")
+ {
+ e->type = DNSBLConfEntry::A_BITMASK;
+ e->bitmask = MyConf->ReadInteger("dnsbl", "bitmask", i, false);
+ }
+ else
+ {
+ memset(e->records, 0, 256);
+ e->type = DNSBLConfEntry::A_RECORD;
+ irc::portparser portrange(MyConf->ReadValue("dnsbl", "records", i), false);
+ long item = -1;
+ while ((item = portrange.GetToken()))
+ e->records[item] = 1;
+ }
+
e->banaction = str2banaction(MyConf->ReadValue("dnsbl", "action", i));
e->duration = ServerInstance->Duration(MyConf->ReadValue("dnsbl", "duration", i));
- e->bitmask = MyConf->ReadInteger("dnsbl", "bitmask", i, false);
+
+ /* Use portparser for record replies */
/* yeah, logic here is a little messy */
if (e->bitmask <= 0)