#include "inspircd_util.h"
#include "inspircd_config.h"
#include <unistd.h>
-#include <fcntl.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#include <sys/utsname.h>
#include <map>
#include <sstream>
#include <vector>
-#include <errno.h>
#include <deque>
-#include <errno.h>
-#include <unistd.h>
-#include <sched.h>
#include "connection.h"
#include "users.h"
#include "servers.h"
#include "xline.h"
#include "inspstring.h"
#include "dnsqueue.h"
-#include <stdlib.h>
#include <time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <netinet/in.h>
#include <string.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <errno.h>
-#include <fcntl.h>
#include "dns.h"
-
-#ifdef GCC3
-#define nspace __gnu_cxx
-#else
-#define nspace std
-#endif
+#include "helperfuncs.h"
+#include "hashcomp.h"
extern int MaxWhoResults;
extern std::vector<Module*> modules;
extern std::vector<std::string> module_names;
extern std::vector<ircd_module*> factory;
-extern std::vector<int> fd_reap;
extern int MODCOUNT;
-namespace nspace
-{
-#ifdef GCC34
- template<> struct hash<in_addr>
-#else
- template<> struct nspace::hash<in_addr>
-#endif
- {
- size_t operator()(const struct in_addr &a) const
- {
- size_t q;
- memcpy(&q,&a,sizeof(size_t));
- return q;
- }
- };
-#ifdef GCC34
- template<> struct hash<string>
-#else
- template<> struct nspace::hash<string>
-#endif
- {
- size_t operator()(const string &s) const
- {
- char a[MAXBUF];
- static struct hash<const char *> strhash;
- strlcpy(a,s.c_str(),MAXBUF);
- strlower(a);
- return strhash(a);
- }
- };
-}
-
-
-struct StrHashComp
-{
-
- bool operator()(const string& s1, const string& s2) const
- {
- char a[MAXBUF],b[MAXBUF];
- strlcpy(a,s1.c_str(),MAXBUF);
- strlcpy(b,s2.c_str(),MAXBUF);
- return (strcasecmp(a,b) == 0);
- }
-
-};
-
-struct InAddr_HashComp
-{
-
- bool operator()(const in_addr &s1, const in_addr &s2) const
- {
- size_t q;
- size_t p;
-
- memcpy(&q,&s1,sizeof(size_t));
- memcpy(&p,&s2,sizeof(size_t));
-
- return (q == p);
- }
-
-};
-
-
-typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
-typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
-typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
+typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, irc::StrHashComp> user_hash;
+typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, irc::StrHashComp> chan_hash;
+typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, irc::InAddr_HashComp> address_cache;
+typedef nspace::hash_map<std::string, WhoWasUser*, nspace::hash<string>, irc::StrHashComp> whowas_hash;
typedef std::deque<command_t> command_table;
extern user_hash clientlist;
extern chan_hash chanlist;
-extern user_hash whowas;
+extern whowas_hash whowas;
extern command_table cmdlist;
-extern address_cache IP;
extern ClassVector Classes;
extern char DNSServer[MAXBUF];
+long max_fd_alloc = 0;
+
+extern time_t TIME;
class Lookup {
private:
- DNS* resolver;
+ DNS resolver;
char u[NICKMAX];
public:
Lookup()
{
strcpy(u,"");
- resolver = NULL;
+ }
+
+ void Reset()
+ {
+ strcpy(u,"");
}
~Lookup()
{
- if (resolver)
- delete resolver;
}
- Lookup(std::string nick)
+ bool DoLookup(std::string nick)
{
userrec* usr = Find(nick);
if (usr)
{
log(DEBUG,"New Lookup class for %s with DNSServer set to '%s'",nick.c_str(),DNSServer);
- resolver = new DNS(std::string(DNSServer));
- resolver->ReverseLookup(std::string(usr->host));
+ resolver.SetNS(std::string(DNSServer));
+ if (!resolver.ReverseLookup(std::string(usr->host)))
+ return false;
strlcpy(u,nick.c_str(),NICKMAX);
+ return true;
}
+ return false;
}
bool Done()
{
userrec* usr = NULL;
- if (resolver->HasResult())
+ if (resolver.HasResult())
{
- log(DEBUG,"resolver says result available!");
- if (resolver->GetFD() != 0)
+ if (resolver.GetFD() != 0)
{
- log(DEBUG,"Resolver FD is not 0, getting %s",u);
- std::string hostname = resolver->GetResult();
+ std::string hostname = resolver.GetResult();
+ log(DEBUG,"RESULT! %s",hostname.c_str());
usr = Find(u);
if (usr)
{
- log(DEBUG,"Applying hostname lookup to %s: %s",usr->nick,hostname.c_str());
- if (hostname != "")
+ if (usr->registered > 3)
+ {
+ usr->dns_done = true;
+ return true;
+ }
+ if ((hostname != "") && (usr->registered != 7))
{
strlcpy(usr->host,hostname.c_str(),MAXBUF);
+ strlcpy(usr->dhost,hostname.c_str(),MAXBUF);
WriteServ(usr->fd,"NOTICE Auth :Resolved your hostname: %s",hostname.c_str());
usr->dns_done = true;
return true;
}
- return false;
+ usr->dns_done = true;
+ return true;
}
}
else
{
- usr->dns_done = true;
+ usr = Find(u);
+ if (usr)
+ usr->dns_done = true;
return true;
}
}
int GetFD()
{
userrec* usr = Find(u);
- if (usr)
- {
- return usr->fd;
- }
- else return 0;
+ if (!usr)
+ return 0;
+ if (usr->dns_done)
+ return 0;
+ return usr->fd;
}
};
-typedef std::deque<Lookup> dns_queue;
-
-dns_queue dnsq;
+Lookup dnsq[255];
bool lookup_dns(std::string nick)
{
// place a new user into the queue...
log(DEBUG,"Queueing DNS lookup for %s",u->nick);
WriteServ(u->fd,"NOTICE Auth :Looking up your hostname...");
- Lookup L(nick);
- dnsq.push_back(L);
- return true;
+ Lookup L;
+ if (L.DoLookup(nick))
+ {
+ for (int j = 0; j < 255; j++)
+ {
+ if (!dnsq[j].GetFD())
+ {
+ dnsq[j] = L;
+ return true;
+ }
+ }
+ // calculate the maximum value, this saves cpu time later
+ for (int p = 0; p < 255; p++)
+ if (dnsq[p].GetFD())
+ max_fd_alloc = p;
+ }
+ else
+ {
+ return false;
+ }
}
return false;
}
void dns_poll()
{
// do we have items in the queue?
- if (dnsq.size())
+ for (int j = 0; j <= max_fd_alloc; j++)
{
// are any ready, or stale?
- if (dnsq[0].Done() || (!dnsq[0].GetFD()))
+ if (dnsq[j].GetFD())
{
- log(DEBUG,"****** DNS lookup for fd %d is complete. ******",dnsq[0].GetFD());
- if (dnsq[0].GetFD())
- dnsq.pop_front();
+ if (dnsq[j].Done())
+ {
+ dnsq[j].Reset();
+ }
}
}
-}
+ // looks like someones freed an item, recalculate end of list.
+ if ((!dnsq[max_fd_alloc].GetFD()) && (max_fd_alloc != 0))
+ for (int p = 0; p < 255; p++)
+ if (dnsq[p].GetFD())
+ max_fd_alloc = p;
+}