]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/users.cpp
Decide that it wasn't quite appropriate :(
[user/henk/code/inspircd.git] / src / users.cpp
index f6ada52c8a07125d49722a438fc6e436e9a6b484..3acc8f2a0cc2bc1c8009b21f9d3a5b28ee5f5d48 100644 (file)
@@ -64,7 +64,7 @@ template<typename T> inline string ConvToStr(const T &in)
 userrec::userrec()
 {
        // the PROPER way to do it, AVOID bzero at *ALL* costs
-       *nick = *ident = *host = *dhost = *fullname = *modes = *awaymsg = *oper = *ip = 0;
+       *password = *nick = *ident = *host = *dhost = *fullname = *modes = *awaymsg = *oper = 0;
        server = (char*)FindServerNamePtr(Config->ServerName);
        reset_due = TIME;
        lines_in = fd = lastping = signon = idle_lastmsg = nping = registered = 0;
@@ -114,6 +114,18 @@ char* userrec::GetFullHost()
        return result;
 }
 
+char* userrec::MakeWildHost()
+{
+       static char nresult[MAXBUF];
+       char* t = nresult;
+       *t++ = '*';     *t++ = '!';
+       *t++ = '*';     *t++ = '@';
+       for(char* n = dhost; *n; n++)
+               *t++ = *n;
+       *t = 0;
+       return nresult;
+}
+
 int userrec::ReadData(void* buffer, size_t size)
 {
        if (this->fd > -1)
@@ -199,7 +211,7 @@ bool userrec::HasPermission(std::string &command)
                return true;
        
        // are they even an oper at all?
-       if (strchr(this->modes,'o'))
+       if (*this->oper)
        {
                for (int j =0; j < Config->ConfValueEnum("type",&Config->config_f); j++)
                {
@@ -264,7 +276,8 @@ bool userrec::AddBuffer(std::string a)
 
 bool userrec::BufferIsReady()
 {
-        for (unsigned int i = 0; i < recvq.length(); i++)
+       unsigned int t = recvq.length();
+        for (unsigned int i = 0; i < t; i++)
                if (recvq[i] == '\n')
                        return true;
         return false;
@@ -281,7 +294,7 @@ std::string userrec::GetBuffer()
                return "";
         char* line = (char*)recvq.c_str();
         std::string ret = "";
-        while ((*line != '\n') && (strlen(line)))
+        while ((*line != '\n') && (*line))
         {
                 ret = ret + *line;
                 line++;
@@ -384,6 +397,7 @@ void kill_link(userrec *user,const char* r)
         log(DEBUG,"closing fd %lu",(unsigned long)user->fd);
 
         if (user->registered == 7) {
+               purge_empty_chans(user);
                 FOREACH_MOD(I_OnUserQuit,OnUserQuit(user,reason));
                 WriteCommonExcept(user,"QUIT :%s",reason);
         }
@@ -396,7 +410,14 @@ void kill_link(userrec *user,const char* r)
         {
                if (Config->GetIOHook(user->port))
                {
-                       Config->GetIOHook(user->port)->OnRawSocketClose(user->fd);
+                       try
+                       {
+                               Config->GetIOHook(user->port)->OnRawSocketClose(user->fd);
+                       }
+                        catch (ModuleException& modexcept)
+                        {
+                                log(DEBUG,"Module exception cought: %s",modexcept.GetReason()); \
+                        }
                }
                 ServerInstance->SE->DelFd(user->fd);
                 user->CloseSocket();
@@ -405,7 +426,6 @@ void kill_link(userrec *user,const char* r)
         // this must come before the WriteOpers so that it doesnt try to fill their buffer with anything
         // if they were an oper with +s.
         if (user->registered == 7) {
-                purge_empty_chans(user);
                 // fix by brain: only show local quits because we only show local connects (it just makes SENSE)
                 if (user->fd > -1)
                         WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason);
@@ -459,7 +479,14 @@ void kill_link_silent(userrec *user,const char* r)
         {
                if (Config->GetIOHook(user->port))
                {
-                       Config->GetIOHook(user->port)->OnRawSocketClose(user->fd);
+                       try
+                       {
+                               Config->GetIOHook(user->port)->OnRawSocketClose(user->fd);
+                       }
+                        catch (ModuleException& modexcept)
+                        {
+                                log(DEBUG,"Module exception cought: %s",modexcept.GetReason()); \
+                        }
                }
                 ServerInstance->SE->DelFd(user->fd);
                 user->CloseSocket();
@@ -492,7 +519,7 @@ void AddWhoWas(userrec* u)
 {
         whowas_hash::iterator iter = whowas.find(u->nick);
         WhoWasUser *a = new WhoWasUser();
-        strlcpy(a->nick,u->nick,NICKMAX);
+        strlcpy(a->nick,u->nick,NICKMAX-1);
         strlcpy(a->ident,u->ident,IDENTMAX);
         strlcpy(a->dhost,u->dhost,160);
         strlcpy(a->host,u->host,160);
@@ -542,14 +569,14 @@ void AddWhoWas(userrec* u)
 }
 
 /* add a client connection to the sockets list */
-void AddClient(int socket, char* host, int port, bool iscached, char* ip)
+void AddClient(int socket, int port, bool iscached, in_addr ip4)
 {
         string tempnick;
         char tn2[MAXBUF];
         user_hash::iterator iter;
 
         tempnick = ConvToStr(socket) + "-unknown";
-        sprintf(tn2,"%lu-unknown",(unsigned long)socket);
+        sprintf(tn2,"%d-unknown",socket);
 
         iter = clientlist.find(tempnick);
 
@@ -576,19 +603,24 @@ void AddClient(int socket, char* host, int port, bool iscached, char* ip)
          */
         clientlist[tempnick] = new userrec();
 
-        log(DEBUG,"AddClient: %lu %s %d %s",(unsigned long)socket,host,port,ip);
+       char *ipaddr = (char*)inet_ntoa(ip4);
+
+        log(DEBUG,"AddClient: %d %d %s",socket,port,ipaddr);
 
         clientlist[tempnick]->fd = socket;
-        strlcpy(clientlist[tempnick]->nick, tn2,NICKMAX);
-        strlcpy(clientlist[tempnick]->host, host,160);
-        strlcpy(clientlist[tempnick]->dhost, host,160);
+        strlcpy(clientlist[tempnick]->nick, tn2,NICKMAX-1);
+       /* We don't know the host yet, dns lookup could still be going on,
+        * so instead we just put the ip address here, for now.
+        */
+        strlcpy(clientlist[tempnick]->host, ipaddr, 160);
+        strlcpy(clientlist[tempnick]->dhost, ipaddr, 160);
         clientlist[tempnick]->server = (char*)FindServerNamePtr(Config->ServerName);
         strlcpy(clientlist[tempnick]->ident, "unknown",IDENTMAX);
         clientlist[tempnick]->registered = 0;
         clientlist[tempnick]->signon = TIME + Config->dns_timeout;
         clientlist[tempnick]->lastping = 1;
+       clientlist[tempnick]->ip4 = ip4;
         clientlist[tempnick]->port = port;
-        strlcpy(clientlist[tempnick]->ip,ip,16);
 
         // set the registration timeout for this user
         unsigned long class_regtimeout = 90;
@@ -599,7 +631,7 @@ void AddClient(int socket, char* host, int port, bool iscached, char* ip)
 
         for (ClassVector::iterator i = Config->Classes.begin(); i != Config->Classes.end(); i++)
         {
-                if (match(clientlist[tempnick]->host,i->host.c_str()) && (i->type == CC_ALLOW))
+                if (match(ipaddr,i->host.c_str()) && (i->type == CC_ALLOW))
                 {
                         class_regtimeout = (unsigned long)i->registration_timeout;
                         class_flood = i->flood;
@@ -648,10 +680,10 @@ void AddClient(int socket, char* host, int port, bool iscached, char* ip)
                 kill_link(clientlist[tempnick],"Server is full");
                 return;
         }
-        char* e = matches_exception(ip);
+        char* e = matches_exception(ipaddr);
         if (!e)
         {
-                char* r = matches_zline(ip);
+                char* r = matches_zline(ipaddr);
                 if (r)
                 {
                         char reason[MAXBUF];
@@ -667,6 +699,29 @@ void AddClient(int socket, char* host, int port, bool iscached, char* ip)
        WriteServ(clientlist[tempnick]->fd,"NOTICE Auth :*** Looking up your hostname...");
 }
 
+long FindMatchingGlobal(userrec* user)
+{
+       long x = 0;
+       for (user_hash::const_iterator a = clientlist.begin(); a != clientlist.end(); a++)
+       {
+               if (a->second->ip4.s_addr == user->ip4.s_addr)
+                       x++;
+       }
+       return x;
+}
+
+long FindMatchingLocal(userrec* user)
+{
+       long x = 0;
+       for (std::vector<userrec*>::const_iterator a = local_users.begin(); a != local_users.end(); a++)
+       {
+               userrec* comp = (userrec*)(*a);
+               if (comp->ip4.s_addr == user->ip4.s_addr)
+                       x++;
+       }
+       return x;
+}
+
 void FullConnectUser(userrec* user, CullList* Goners)
 {
         ServerInstance->stats->statsConnects++;
@@ -685,6 +740,18 @@ void FullConnectUser(userrec* user, CullList* Goners)
                Goners->AddItem(user,"Invalid password");
                 return;
         }
+       if (FindMatchingLocal(user) > a.maxlocal)
+       {
+               Goners->AddItem(user,"No more connections allowed from your host via this connect class (local)");
+               WriteOpers("*** WARNING: maximum LOCAL connections (%ld) exceeded for IP %s",a.maxlocal,(char*)inet_ntoa(user->ip4));
+               return;
+       }
+       else if (FindMatchingGlobal(user) > a.maxglobal)
+       {
+               Goners->AddItem(user,"No more connections allowed from your host via this connect class (global)");
+               WriteOpers("*** WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s",a.maxglobal,(char*)inet_ntoa(user->ip4));
+               return;
+       }
 
         char match_against[MAXBUF];
         snprintf(match_against,MAXBUF,"%s@%s",user->ident,user->host);
@@ -740,7 +807,7 @@ void FullConnectUser(userrec* user, CullList* Goners)
         FOREACH_MOD(I_OnUserConnect,OnUserConnect(user));
         FOREACH_MOD(I_OnGlobalConnect,OnGlobalConnect(user));
         user->registered = 7;
-        WriteOpers("*** Client connecting on port %lu: %s!%s@%s [%s]",(unsigned long)user->port,user->nick,user->ident,user->host,user->ip);
+        WriteOpers("*** Client connecting on port %lu: %s!%s@%s [%s]",(unsigned long)user->port,user->nick,user->ident,user->host,(char*)inet_ntoa(user->ip4));
 }
 
 /* re-allocates a nick in the user_hash after they change nicknames,