extern std::vector<QLine> pqlines;
extern std::vector<ELine> pelines;
+std::vector<std::string> ValidIPs;
+
class UserManager : public classbase
{
uid_hash uids;
}
};
+
/* Each server in the tree is represented by one class of
* type TreeServer. A locally connected TreeServer can
* have a class of type TreeSocket associated with it, for
userrec* a = (userrec*)*n;
log(DEBUG,"Kill %s fd=%d",a->nick,a->fd);
if (!IS_LOCAL(a))
- kill_link(a,reason_s);
+ userrec::QuitUser(a,reason_s);
}
return time_to_die.size();
}
*/
mh = ServerInstance->ModeGrok->FindMode(*x, chan ? MODETYPE_CHANNEL : MODETYPE_USER);
- if ((mh->GetNumParams(adding) > 0) && (!mh->IsListMode()))
+ if ((mh) && (mh->GetNumParams(adding) > 0) && (!mh->IsListMode()))
{
/* We only want to do special things to
* modes with parameters, we are going to rewrite
if (to_keep.length())
{
- n = 0;
+ unsigned int n = 2;
+ unsigned int q = 0;
modelist[0] = params[0].c_str();
modelist[1] = to_keep.c_str();
- for (unsigned int q = 2; (q < params.size()) && (q < 64); q++)
- modelist[q] = params_to_keep[n++].c_str();
+ if (params_to_keep.size() > 2)
+ {
+ for (q = 2; (q < params_to_keep.size()) && (q < 64); q++)
+ {
+ log(DEBUG,"Item %d of %d", q, params_to_keep.size());
+ modelist[n++] = params_to_keep[q].c_str();
+ }
+ }
if (smode)
{
+ log(DEBUG,"Send mode");
Srv->SendMode(modelist, n+2, who);
}
else
{
+ log(DEBUG,"Send mode client");
Srv->CallCommandHandler("MODE", modelist, n+2, who);
}
userrec* user = Srv->FindNick(source);
if (!user)
{
- WriteChannelWithServ(source.c_str(), c, "TOPIC %s :%s", c->name, c->topic);
+ c->WriteChannelWithServ(source.c_str(), "TOPIC %s :%s", c->name, c->topic);
}
else
{
- WriteChannel(c, user, "TOPIC %s :%s", c->name, c->topic);
+ c->WriteChannel(user, "TOPIC %s :%s", c->name, c->topic);
nsource = user->server;
}
/* all done, send it on its way */
memset(&mode_users,0,sizeof(mode_users));
mode_users[0] = first;
mode_users[1] = modestring;
- strcpy(first,"+");
+ strcpy(modestring,"+");
unsigned int modectr = 2;
userrec* who = NULL;
who = Srv->FindNick(usr);
if (who)
{
- Srv->JoinUserToChannel(who,channel,key);
+ chanrec::JoinUser(who, channel.c_str(), true, key);
if (modectr >= (MAXMODES-1))
{
/* theres a mode for this user. push them onto the mode queue, and flush it
Srv->SendMode((const char**)mode_users,modectr,who);
if (ourTS != TS)
{
- log(DEFAULT,"Channel TS for %s changed from %lu to %lu",us,ourTS,TS);
+ log(DEFAULT,"Channel TS for %s changed from %lu to %lu",us->name,ourTS,TS);
us->age = TS;
+ ourTS = TS;
}
}
else
params.push_back(ConvToStr(us->age));
}
params.push_back(mode_users[x]);
+
}
// tell everyone to bounce the modes. bad modes, bad!
DoOneToMany(Srv->GetServerName(),"FMODE",params);
/* there werent enough modes built up to flush it during FJOIN,
* or, there are a number left over. flush them out.
*/
- if ((modectr > 2) && (who))
+ if ((modectr > 2) && (who) && (us))
{
if (ourTS >= TS)
{
Srv->SendMode((const char**)mode_users,modectr,who);
if (ourTS != TS)
{
- log(DEFAULT,"Channel TS for %s changed from %lu to %lu",us,ourTS,TS);
+ log(DEFAULT,"Channel TS for %s changed from %lu to %lu",us->name,ourTS,TS);
us->age = TS;
+ ourTS = TS;
}
}
else
return true;
}
// NICK age nick host dhost ident +modes ip :gecos
- // 0 123 4 56 7
+ // 0 1 2 3 4 5 6 7
time_t age = atoi(params[0].c_str());
/* This used to have a pretty craq'y loop doing the same thing,
{
clientlist[tempnick]->modes[(*v)-65] = 1;
}
- inet_aton(params[6].c_str(),&clientlist[tempnick]->ip4);
- WriteOpers("*** Client connecting at %s: %s!%s@%s [%s]",clientlist[tempnick]->server,clientlist[tempnick]->nick,clientlist[tempnick]->ident,clientlist[tempnick]->host, inet_ntoa(clientlist[tempnick]->ip4));
+ if (params[6].find_first_of(":") != std::string::npos)
+ clientlist[tempnick]->SetSockAddr(AF_INET6, params[6].c_str(), 0);
+ else
+ clientlist[tempnick]->SetSockAddr(AF_INET, params[6].c_str(), 0);
+
+ WriteOpers("*** Client connecting at %s: %s!%s@%s [%s]",clientlist[tempnick]->server,clientlist[tempnick]->nick,clientlist[tempnick]->ident,clientlist[tempnick]->host, clientlist[tempnick]->GetIPString());
params[7] = ":" + params[7];
DoOneToAllButSender(source,"NICK",params,source);
{
if (u->second->registered == REG_ALL)
{
- snprintf(data,MAXBUF,":%s NICK %lu %s %s %s %s +%s %s :%s",u->second->server,(unsigned long)u->second->age,u->second->nick,u->second->host,u->second->dhost,u->second->ident,u->second->FormatModes(),inet_ntoa(u->second->ip4),u->second->fullname);
+ snprintf(data,MAXBUF,":%s NICK %lu %s %s %s %s +%s %s :%s",u->second->server,(unsigned long)u->second->age,u->second->nick,u->second->host,u->second->dhost,u->second->ident,u->second->FormatModes(),u->second->GetIPString(),u->second->fullname);
this->WriteLine(data);
if (*u->second->oper)
{
/* This is not required as one is sent in OnUserPostNick below
*/
//DoOneToMany(u->nick,"NICK",par);
- Srv->ChangeUserNick(u,params[1]);
+ if (!u->ForceNickChange(params[1].c_str()))
+ {
+ userrec::QuitUser(u, "Nickname collision");
+ return true;
+ }
u->age = atoi(params[2].c_str());
}
}
if (u)
{
- Srv->JoinUserToChannel(u,params[1],"");
+ chanrec::JoinUser(u, params[1].c_str(), false);
DoOneToAllButSender(prefix,"SVSJOIN",params,prefix);
}
return true;
params[1] = ":" + params[1];
DoOneToAllButSender(prefix,"KILL",params,sourceserv);
::Write(who->fd, ":%s KILL %s :%s (%s)", sourceserv.c_str(), who->nick, sourceserv.c_str(), reason.c_str());
- Srv->QuitUser(who,reason);
+ userrec::QuitUser(who,reason);
}
return true;
}
chanrec* chan = Srv->FindChannel(params[0]);
if (user && chan)
{
- server_kick_channel(user,chan,(char*)params[2].c_str(),false);
+ if (!chan->ServerKickUser(user, params[2].c_str(), false))
+ /* Yikes, the channels gone! */
+ delete chan;
}
}
if (this->InboundServerName != "")
p.push_back(prefix);
p.push_back("Nickname collision");
DoOneToMany(Srv->GetServerName(),"KILL",p);
- Srv->QuitUser(x,"Nickname collision ("+prefix+" -> "+params[0]+")");
+ userrec::QuitUser(x,"Nickname collision ("+prefix+" -> "+params[0]+")");
userrec* y = Srv->FindNick(prefix);
if (y)
{
- Srv->QuitUser(y,"Nickname collision");
+ userrec::QuitUser(y,"Nickname collision");
}
return DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params);
}
* IPs for which we don't have a link block.
*/
bool found = false;
- char resolved_host[MAXBUF];
- vector<Link>::iterator i;
- for (i = LinkBlocks.begin(); i != LinkBlocks.end(); i++)
+
+ found = (std::find(ValidIPs.begin(), ValidIPs.end(), ip) != ValidIPs.end());
+ if (!found)
{
- if (i->IPAddr == ip)
- {
- found = true;
- break;
- }
- /* XXX: Fixme: blocks for a very short amount of time,
- * we should cache these on rehash/startup
- */
- if (CleanAndResolve(resolved_host,i->IPAddr.c_str(),true,1))
- {
- if (std::string(resolved_host) == ip)
- {
+ for (vector<std::string>::iterator i = ValidIPs.begin(); i != ValidIPs.end(); i++)
+ if (MatchCIDR(ip, (*i).c_str()))
found = true;
- break;
- }
+
+ if (!found)
+ {
+ WriteOpers("Server connection from %s denied (no link blocks with that IP address)", ip);
+ close(newsock);
+ return false;
}
}
- if (!found)
- {
- WriteOpers("Server connection from %s denied (no link blocks with that IP address)", ip);
- close(newsock);
- return false;
- }
TreeSocket* s = new TreeSocket(newsock, ip);
Srv->AddSocket(s);
return true;
}
};
+/** This class is used to resolve server hostnames during /connect and autoconnect.
+ * As of 1.1, the resolver system is seperated out from InspSocket, so we must do this
+ * resolver step first ourselves if we need it. This is totally nonblocking, and will
+ * callback to OnLookupComplete or OnError when completed. Once it has completed we
+ * will have an IP address which we can then use to continue our connection.
+ */
+class ServernameResolver : public Resolver
+{
+ private:
+ /** A copy of the Link tag info for what we're connecting to.
+ * We take a copy, rather than using a pointer, just in case the
+ * admin takes the tag away and rehashes while the domain is resolving.
+ */
+ Link MyLink;
+ public:
+ ServernameResolver(const std::string &hostname, Link x) : Resolver(hostname, DNS_QUERY_FORWARD), MyLink(x)
+ {
+ /* Nothing in here, folks */
+ }
+
+ void OnLookupComplete(const std::string &result)
+ {
+ /* Initiate the connection, now that we have an IP to use.
+ * Passing a hostname directly to InspSocket causes it to
+ * just bail and set its FD to -1.
+ */
+ TreeServer* CheckDupe = FindServer(MyLink.Name.c_str());
+ if (!CheckDupe) /* Check that nobody tried to connect it successfully while we were resolving */
+ {
+ TreeSocket* newsocket = new TreeSocket(result,MyLink.Port,false,10,MyLink.Name.c_str());
+ if (newsocket->GetFd() > -1)
+ {
+ /* We're all OK */
+ Srv->AddSocket(newsocket);
+ }
+ else
+ {
+ /* Something barfed, show the opers */
+ WriteOpers("*** CONNECT: Error connecting \002%s\002: %s.",MyLink.Name.c_str(),strerror(errno));
+ delete newsocket;
+ }
+ }
+ }
+
+ void OnError(ResolverError e, const std::string &errormessage)
+ {
+ /* Ooops! */
+ WriteOpers("*** CONNECT: Error connecting \002%s\002: Unable to resolve hostname - %s",MyLink.Name.c_str(),errormessage.c_str());
+ }
+};
+
+class SecurityIPResolver : public Resolver
+{
+ private:
+ Link MyLink;
+ public:
+ SecurityIPResolver(const std::string &hostname, Link x) : Resolver(hostname, DNS_QUERY_FORWARD), MyLink(x)
+ {
+ }
+
+ void OnLookupComplete(const std::string &result)
+ {
+ log(DEBUG,"Security IP cache: Adding IP address '%s' for Link '%s'",result.c_str(),MyLink.Name.c_str());
+ ValidIPs.push_back(result);
+ }
+
+ void OnError(ResolverError e, const std::string &errormessage)
+ {
+ log(DEBUG,"Could not resolve IP associated with Link '%s': %s",MyLink.Name.c_str(),errormessage.c_str());
+ }
+};
+
void AddThisServer(TreeServer* server, std::deque<TreeServer*> &list)
{
for (unsigned int c = 0; c < list.size(); c++)
FlatLinks = Conf->ReadFlag("options","flatlinks",0);
HideULines = Conf->ReadFlag("options","hideulines",0);
LinkBlocks.clear();
+ ValidIPs.clear();
for (int j =0; j < Conf->Enumerate("link"); j++)
{
Link L;
+ std::string Allow = Conf->ReadValue("link","allowmask",j);
L.Name = (Conf->ReadValue("link","name",j)).c_str();
L.IPAddr = Conf->ReadValue("link","ipaddr",j);
L.Port = Conf->ReadInteger("link","port",j,true);
/* Bugfix by brain, do not allow people to enter bad configurations */
if ((L.IPAddr != "") && (L.RecvPass != "") && (L.SendPass != "") && (L.Name != "") && (L.Port))
{
+ ValidIPs.push_back(L.IPAddr);
+
+ if (Allow.length())
+ ValidIPs.push_back(Allow);
+
+ /* Needs resolving */
+ insp_inaddr binip;
+ if (insp_aton(L.IPAddr.c_str(), &binip) < 1)
+ {
+ try
+ {
+ SecurityIPResolver* sr = new SecurityIPResolver(L.IPAddr, L);
+ Srv->AddResolver(sr);
+ }
+ catch (ModuleException& e)
+ {
+ log(DEBUG,"Error in resolver: %s",e.GetReason());
+ }
+ }
+
LinkBlocks.push_back(L);
log(DEBUG,"m_spanningtree: Read server %s with host %s:%d",L.Name.c_str(),L.IPAddr.c_str(),L.Port);
}
params[1] = s->GetName();
DoOneToOne(user->nick, "STATS", params, s->GetName());
}
+ else
+ {
+ WriteServ(user->fd, "402 %s %s :No such server", user->nick, parameters[0]);
+ }
return 1;
}
return 0;
{
// an autoconnected server is not connected. Check if its time to connect it
WriteOpers("*** AUTOCONNECT: Auto-connecting server \002%s\002 (%lu seconds until next attempt)",x->Name.c_str(),x->AutoConnect);
- TreeSocket* newsocket = new TreeSocket(x->IPAddr,x->Port,false,10,x->Name.c_str());
- if (newsocket->GetFd() > -1)
+
+ insp_inaddr binip;
+
+ /* Do we already have an IP? If so, no need to resolve it. */
+ if (insp_aton(x->IPAddr.c_str(), &binip) > 0)
{
- Srv->AddSocket(newsocket);
+ TreeSocket* newsocket = new TreeSocket(x->IPAddr,x->Port,false,10,x->Name.c_str());
+ if (newsocket->GetFd() > -1)
+ {
+ Srv->AddSocket(newsocket);
+ }
+ else
+ {
+ WriteOpers("*** AUTOCONNECT: Error autoconnecting \002%s\002: %s.",x->Name.c_str(),strerror(errno));
+ delete newsocket;
+ }
}
else
{
- WriteOpers("*** AUTOCONNECT: Error autoconnecting \002%s\002: %s.",x->Name.c_str(),strerror(errno));
- DELETE(newsocket);
+ try
+ {
+ ServernameResolver* snr = new ServernameResolver(x->IPAddr, *x);
+ Srv->AddResolver(snr);
+ }
+ catch (ModuleException& e)
+ {
+ log(DEBUG,"Error in resolver: %s",e.GetReason());
+ }
}
+
}
}
}
if (!CheckDupe)
{
WriteServ(user->fd,"NOTICE %s :*** CONNECT: Connecting to server: \002%s\002 (%s:%d)",user->nick,x->Name.c_str(),(x->HiddenFromStats ? "<hidden>" : x->IPAddr.c_str()),x->Port);
- TreeSocket* newsocket = new TreeSocket(x->IPAddr,x->Port,false,10,x->Name.c_str());
- if (newsocket->GetFd() > -1)
+ insp_inaddr binip;
+
+ /* Do we already have an IP? If so, no need to resolve it. */
+ if (insp_aton(x->IPAddr.c_str(), &binip) > 0)
{
- Srv->AddSocket(newsocket);
+ TreeSocket* newsocket = new TreeSocket(x->IPAddr,x->Port,false,10,x->Name.c_str());
+ if (newsocket->GetFd() > -1)
+ {
+ Srv->AddSocket(newsocket);
+ }
+ else
+ {
+ WriteOpers("*** CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(),strerror(errno));
+ delete newsocket;
+ }
}
else
{
- WriteServ(user->fd,"NOTICE %s :*** CONNECT: Error connecting \002%s\002: %s.",user->nick,x->Name.c_str(),strerror(errno));
- DELETE(newsocket);
+ try
+ {
+ ServernameResolver* snr = new ServernameResolver(x->IPAddr, *x);
+ Srv->AddResolver(snr);
+ }
+ catch (ModuleException& e)
+ {
+ log(DEBUG,"Error in resolver: %s",e.GetReason());
+ }
}
return 1;
}
params.push_back(user->dhost);
params.push_back(user->ident);
params.push_back("+"+std::string(user->FormatModes()));
- params.push_back((char*)inet_ntoa(user->ip4));
+ params.push_back(user->GetIPString());
params.push_back(":"+std::string(user->fullname));
DoOneToMany(Srv->GetServerName(),"NICK",params);