]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/helperfuncs.cpp
Decide that it wasn't quite appropriate :(
[user/henk/code/inspircd.git] / src / helperfuncs.cpp
index fd39aa0b13e02cfa35dc35a3daf2a49b39e59dc4..6b7178e225b9f9b9b25f8bcd54e4cf15801531f5 100644 (file)
@@ -2,7 +2,7 @@
  *       | Inspire Internet Relay Chat Daemon |
  *       +------------------------------------+
  *
- *  Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
+ *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
  *                       E-mail:
  *                <brain@chatspike.net>
  *                <Craig@chatspike.net>
@@ -56,8 +56,8 @@ extern InspIRCd* ServerInstance;
 extern time_t TIME;
 extern char lowermap[255];
 static char list[MAXBUF];
-extern userrec* fd_ref_table[65536];
-static char already_sent[65536];
+extern userrec* fd_ref_table[MAX_DESCRIPTORS];
+static char already_sent[MAX_DESCRIPTORS];
 extern std::vector<userrec*> all_opers;
 extern user_hash clientlist;
 extern chan_hash chanlist;
@@ -125,7 +125,7 @@ void readfile(file_cache &F, const char* fname)
 
 void Write_NoFormat(int sock, const char *text)
 {
-       if ((sock < 0) || (!text))
+       if ((sock < 0) || (!text) || (sock > MAX_DESCRIPTORS))
                return;
 
        char tb[MAXBUF];
@@ -135,7 +135,14 @@ void Write_NoFormat(int sock, const char *text)
        {
                if (Config->GetIOHook(fd_ref_table[sock]->port))
                {
-                       Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
+                       try
+                       {
+                               Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
+                       }
+                       catch (ModuleException& modexcept)
+                       {
+                               log(DEBUG,"Module exception cought: %s",modexcept.GetReason()); \
+                       }
                }
                else
                {
@@ -148,7 +155,7 @@ void Write_NoFormat(int sock, const char *text)
 
 void Write(int sock,char *text, ...)
 {
-        if (sock < 0)
+        if ((sock < 0) || (sock > MAX_DESCRIPTORS))
                 return;
         if (!text)
         {
@@ -166,7 +173,14 @@ void Write(int sock,char *text, ...)
         {
                if (Config->GetIOHook(fd_ref_table[sock]->port))
                {
-                       Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
+                       try
+                       {
+                               Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
+                       }
+                       catch (ModuleException& modexcept)
+                       {
+                               log(DEBUG,"Module exception cought: %s",modexcept.GetReason()); \
+                       }                                                               
                }
                else
                {
@@ -179,7 +193,7 @@ void Write(int sock,char *text, ...)
 
 void WriteServ_NoFormat(int sock, const char* text)
 {
-       if ((sock < 0) || (!text))
+       if ((sock < 0) || (!text) || (sock > MAX_DESCRIPTORS))
                return;
        char tb[MAXBUF];
        int bytes = snprintf(tb,MAXBUF,":%s %s\r\n",Config->ServerName,text);
@@ -188,7 +202,14 @@ void WriteServ_NoFormat(int sock, const char* text)
        {
                if (Config->GetIOHook(fd_ref_table[sock]->port))
                {
-                       Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
+                       try
+                       {
+                               Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
+                       }
+                        catch (ModuleException& modexcept)
+                        {
+                                log(DEBUG,"Module exception cought: %s",modexcept.GetReason()); \
+                        }
                }
                else
                {
@@ -203,7 +224,7 @@ void WriteServ_NoFormat(int sock, const char* text)
 
 void WriteServ(int sock, char* text, ...)
 {
-        if (sock < 0)
+        if ((sock < 0) || (sock > MAX_DESCRIPTORS))
                 return;
         if (!text)
         {
@@ -221,7 +242,14 @@ void WriteServ(int sock, char* text, ...)
         {
                if (Config->GetIOHook(fd_ref_table[sock]->port))
                {
-                       Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
+                       try
+                       {
+                               Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
+                       }
+                        catch (ModuleException& modexcept)
+                        {
+                                log(DEBUG,"Module exception cought: %s",modexcept.GetReason()); \
+                        }
                }
                else
                {
@@ -234,16 +262,23 @@ void WriteServ(int sock, char* text, ...)
 
 void WriteFrom_NoFormat(int sock, userrec *user, const char* text)
 {
-       if ((sock < 0) || (!text) || (!user))
+       if ((sock < 0) || (!text) || (!user) || (sock > MAX_DESCRIPTORS))
                return;
        char tb[MAXBUF];
-       int bytes = snprintf(tb,MAXBUF,":%s!%s@%s %s\r\n",user->nick,user->ident,user->dhost,text);
+       int bytes = snprintf(tb,MAXBUF,":%s %s\r\n",user->GetFullHost(),text);
        chop(tb);
        if (fd_ref_table[sock])
        {
                if (Config->GetIOHook(fd_ref_table[sock]->port))
                {
-                       Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
+                       try
+                       {
+                               Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
+                       }
+                        catch (ModuleException& modexcept)
+                        {
+                                log(DEBUG,"Module exception cought: %s",modexcept.GetReason()); \
+                        }
                }
                else
                {
@@ -258,7 +293,7 @@ void WriteFrom_NoFormat(int sock, userrec *user, const char* text)
 
 void WriteFrom(int sock, userrec *user,char* text, ...)
 {
-        if (sock < 0)
+        if ((sock < 0) || (sock > MAX_DESCRIPTORS))
                 return;
         if ((!text) || (!user))
         {
@@ -270,13 +305,20 @@ void WriteFrom(int sock, userrec *user,char* text, ...)
        char textbuffer[MAXBUF],tb[MAXBUF];
         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
         va_end(argsPtr);
-        int bytes = snprintf(tb,MAXBUF,":%s!%s@%s %s\r\n",user->nick,user->ident,user->dhost,textbuffer);
+        int bytes = snprintf(tb,MAXBUF,":%s %s\r\n",user->GetFullHost(),textbuffer);
         chop(tb);
         if (fd_ref_table[sock])
         {
                if (Config->GetIOHook(fd_ref_table[sock]->port))
                {
-                       Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
+                       try
+                       {
+                               Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
+                       }
+                        catch (ModuleException& modexcept)
+                        {
+                                log(DEBUG,"Module exception cought: %s",modexcept.GetReason()); \
+                        }
                }
                else
                {
@@ -308,7 +350,7 @@ void WriteTo(userrec *source, userrec *dest,char *data, ...)
         // if no source given send it from the server.
         if (!source)
         {
-                WriteServ(dest->fd,":%s %s",Config->ServerName,textbuffer);
+                WriteServ_NoFormat(dest->fd,textbuffer);
         }
         else
         {
@@ -322,7 +364,7 @@ void WriteTo_NoFormat(userrec *source, userrec *dest, const char *data)
                return;
        if (!source)
        {
-               WriteServ(dest->fd,":%s %s",Config->ServerName,data);
+               WriteServ_NoFormat(dest->fd,data);
        }
        else
        {
@@ -346,11 +388,10 @@ void WriteChannel(chanrec* Ptr, userrec* user, char* text, ...)
         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
         va_end(argsPtr);
 
-        std::vector<char*> *ulist = Ptr->GetUsers();
-       unsigned int x = ulist->size();
-        for (unsigned int j = 0; j < x; j++)
+        std::map<char*,char*> *ulist= Ptr->GetUsers();
+       for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
         {
-                char* o = (*ulist)[j];
+                char* o = i->second;
                 userrec* otheruser = (userrec*)o;
                 if (otheruser->fd != FD_MAGIC_NUMBER)
                         WriteTo_NoFormat(user,otheruser,textbuffer);
@@ -364,11 +405,10 @@ void WriteChannel_NoFormat(chanrec* Ptr, userrec* user, const char* text)
                 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
                 return;
         }
-        std::vector<char*> *ulist = Ptr->GetUsers();
-        unsigned int x = ulist->size();
-        for (unsigned int j = 0; j < x; j++)
+        std::map<char*,char*> *ulist= Ptr->GetUsers();
+        for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
         {
-                char* o = (*ulist)[j];
+                char* o = i->second;
                 userrec* otheruser = (userrec*)o;
                 if (otheruser->fd != FD_MAGIC_NUMBER)
                         WriteTo_NoFormat(user,otheruser,text);
@@ -393,11 +433,10 @@ void WriteChannelLocal(chanrec* Ptr, userrec* user, char* text, ...)
         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
         va_end(argsPtr);
 
-        std::vector<char*> *ulist = Ptr->GetUsers();
-       unsigned int x = ulist->size();
-        for (unsigned int j = 0; j < x; j++)
+        std::map<char*,char*> *ulist= Ptr->GetUsers();
+       for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
         {
-                char* o = (*ulist)[j];
+                char* o = i->second;
                 userrec* otheruser = (userrec*)o;
                 if ((otheruser->fd != FD_MAGIC_NUMBER) && (otheruser != user))
                 {
@@ -420,11 +459,10 @@ void WriteChannelLocal_NoFormat(chanrec* Ptr, userrec* user, const char* text)
                 log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
                 return;
         }
-        std::vector<char*> *ulist = Ptr->GetUsers();
-        unsigned int x = ulist->size();
-        for (unsigned int j = 0; j < x; j++)
+        std::map<char*,char*> *ulist= Ptr->GetUsers();
+        for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
         {
-                char* o = (*ulist)[j];   
+                char* o = i->second;
                 userrec* otheruser = (userrec*)o;
                 if ((otheruser->fd != FD_MAGIC_NUMBER) && (otheruser != user))
                 {
@@ -456,11 +494,10 @@ void WriteChannelWithServ(char* ServName, chanrec* Ptr, char* text, ...)
         va_end(argsPtr);
 
 
-        std::vector<char*> *ulist = Ptr->GetUsers();
-       unsigned int x = ulist->size();
-        for (unsigned int j = 0; j < x; j++)
+        std::map<char*,char*> *ulist= Ptr->GetUsers();
+       for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
         {
-                char* o = (*ulist)[j];
+                char* o = i->second;
                 userrec* otheruser = (userrec*)o;
                 if (IS_LOCAL(otheruser))
                         WriteServ_NoFormat(otheruser->fd,textbuffer);
@@ -474,11 +511,10 @@ void WriteChannelWithServ_NoFormat(char* ServName, chanrec* Ptr, const char* tex
                 log(DEFAULT,"*** BUG *** WriteChannelWithServ was given an invalid parameter");
                 return;
         }
-        std::vector<char*> *ulist = Ptr->GetUsers();
-        unsigned int x = ulist->size();
-        for (unsigned int j = 0; j < x; j++)
+        std::map<char*,char*> *ulist= Ptr->GetUsers();
+        for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
         {
-                char* o = (*ulist)[j];
+                char* o = i->second;
                 userrec* otheruser = (userrec*)o;
                 if (IS_LOCAL(otheruser))
                         WriteServ_NoFormat(otheruser->fd,text);
@@ -490,7 +526,7 @@ void WriteChannelWithServ_NoFormat(char* ServName, chanrec* Ptr, const char* tex
 /* write formatted text from a source user to all users on a channel except
  * for the sender (for privmsg etc) */
 
-void ChanExceptSender(chanrec* Ptr, userrec* user, char* text, ...)
+void ChanExceptSender(chanrec* Ptr, userrec* user, char status, char* text, ...)
 {
         if ((!Ptr) || (!user) || (!text))
         {
@@ -503,29 +539,58 @@ void ChanExceptSender(chanrec* Ptr, userrec* user, char* text, ...)
         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
         va_end(argsPtr);
 
-        std::vector<char*> *ulist = Ptr->GetUsers();
-       unsigned int x = ulist->size();
-        for (unsigned int j = 0; j < x; j++)
+        std::map<char*,char*> *ulist;
+       switch (status)
+       {
+               case '@':
+                       ulist = Ptr->GetOppedUsers();
+               break;
+               case '%':
+                       ulist = Ptr->GetHalfoppedUsers();
+               break;
+               case '+':
+                       ulist = Ptr->GetVoicedUsers();
+               break;
+               default:
+                       ulist = Ptr->GetUsers();
+               break;
+       }
+       log(DEBUG,"%d users to write to",ulist->size());
+       for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
         {
-                char* o = (*ulist)[j];
+                char* o = i->second;
                 userrec* otheruser = (userrec*)o;
                 if ((IS_LOCAL(otheruser)) && (user != otheruser))
                         WriteFrom_NoFormat(otheruser->fd,user,textbuffer);
         }
 }
 
-void ChanExceptSender_NoFormat(chanrec* Ptr, userrec* user, const char* text)
+void ChanExceptSender_NoFormat(chanrec* Ptr, userrec* user, char status, const char* text)
 {
         if ((!Ptr) || (!user) || (!text))
         {
                 log(DEFAULT,"*** BUG *** ChanExceptSender was given an invalid parameter");
                 return;
         }
-        std::vector<char*> *ulist = Ptr->GetUsers();
-        unsigned int x = ulist->size();
-        for (unsigned int j = 0; j < x; j++)
-        {
-                char* o = (*ulist)[j];
+        std::map<char*,char*> *ulist;
+        switch (status)
+        {
+                case '@':
+                        ulist = Ptr->GetOppedUsers();
+                break;  
+                case '%':
+                        ulist = Ptr->GetHalfoppedUsers();
+                break;
+                case '+':
+                        ulist = Ptr->GetVoicedUsers();
+                break;
+                default:
+                       ulist = Ptr->GetUsers();
+               break;
+        }
+        for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
+        {
+                char* o = i->second;
                 userrec* otheruser = (userrec*)o;
                 if ((IS_LOCAL(otheruser)) && (user != otheruser))
                         WriteFrom_NoFormat(otheruser->fd,user,text);
@@ -578,11 +643,10 @@ void WriteCommon(userrec *u, char* text, ...)
         {
                 if (u->chans[i].channel)
                 {
-                        std::vector<char*> *ulist = u->chans[i].channel->GetUsers();
-                       unsigned int x = ulist->size();
-                        for (unsigned int j = 0; j < x; j++)
+                        std::map<char*,char*> *ulist= u->chans[i].channel->GetUsers();
+                       for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
                         {
-                                char* o = (*ulist)[j];
+                                char* o = i->second;
                                 userrec* otheruser = (userrec*)o;
                                 if ((otheruser->fd > -1) && (!already_sent[otheruser->fd]))
                                 {
@@ -623,11 +687,10 @@ void WriteCommon_NoFormat(userrec *u, const char* text)
         {
                 if (u->chans[i].channel)
                 {
-                        std::vector<char*> *ulist = u->chans[i].channel->GetUsers();
-                        unsigned int x = ulist->size();
-                        for (unsigned int j = 0; j < x; j++)
+                        std::map<char*,char*> *ulist= u->chans[i].channel->GetUsers();
+                        for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
                         {
-                                char* o = (*ulist)[j];
+                                char* o = i->second;
                                 userrec* otheruser = (userrec*)o;
                                 if ((otheruser->fd > -1) && (!already_sent[otheruser->fd]))
                                 {
@@ -647,7 +710,6 @@ void WriteCommon_NoFormat(userrec *u, const char* text)
 }
 
 
-
 /* write a formatted string to all users who share at least one common
  * channel, NOT including the source user e.g. for use in QUIT */
 
@@ -665,11 +727,34 @@ void WriteCommonExcept(userrec *u, char* text, ...)
         }
 
         char textbuffer[MAXBUF];
+       char oper_quit[MAXBUF];
+       bool quit_munge = false;
+
         va_list argsPtr;
         va_start (argsPtr, text);
-        vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+        int total = vsnprintf(textbuffer, MAXBUF, text, argsPtr);
         va_end(argsPtr);
 
+       if ((Config->HideSplits) && (total > 6))
+       {
+               /* Yeah yeah, this is ugly. But its fast, live with it. */
+               char* check = textbuffer;
+               if ((*check++ == 'Q') && (*check++ == 'U') && (*check++ == 'I') && (*check++ == 'T') && (*check++ == ' ') && (*check++ == ':'))
+               {
+                       std::stringstream split(check);
+                       std::string server_one;
+                       std::string server_two;
+                       split >> server_one;
+                       split >> server_two;
+                       if ((FindServerName(server_one)) && (FindServerName(server_two)))
+                       {
+                               strlcpy(oper_quit,textbuffer,MAXBUF);
+                               strlcpy(check,"*.net *.split",MAXQUIT);
+                               quit_munge = true;
+                       }
+               }
+       }
+
         memset(&already_sent,0,MAX_DESCRIPTORS);
 
        unsigned int y = u->chans.size();
@@ -677,18 +762,28 @@ void WriteCommonExcept(userrec *u, char* text, ...)
         {
                 if (u->chans[i].channel)
                 {
-                        std::vector<char*> *ulist = u->chans[i].channel->GetUsers();
-                       unsigned int x = ulist->size();
-                        for (unsigned int j = 0; j < x; j++)
+                        std::map<char*,char*> *ulist= u->chans[i].channel->GetUsers();
+                       for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
                         {
-                                char* o = (*ulist)[j];
+                                char* o = i->second;
                                 userrec* otheruser = (userrec*)o;
                                 if (u != otheruser)
                                 {
                                         if ((otheruser->fd > -1) && (!already_sent[otheruser->fd]))
                                         {
                                                 already_sent[otheruser->fd] = 1;
-                                                WriteFrom_NoFormat(otheruser->fd,u,textbuffer);
+                                               if (quit_munge)
+                                               {
+                                                       if (*otheruser->oper)
+                                                       {
+                                                               WriteFrom_NoFormat(otheruser->fd,u,oper_quit);
+                                                       }
+                                                       else
+                                                       {
+                                                               WriteFrom_NoFormat(otheruser->fd,u,textbuffer);
+                                                       }
+                                               }
+                                               else WriteFrom_NoFormat(otheruser->fd,u,textbuffer);
                                         }
                                 }
                         }
@@ -716,11 +811,10 @@ void WriteCommonExcept_NoFormat(userrec *u, const char* text)
         {
                 if (u->chans[i].channel)
                 {
-                        std::vector<char*> *ulist = u->chans[i].channel->GetUsers();
-                        unsigned int x = ulist->size();
-                        for (unsigned int j = 0; j < x; j++)
+                        std::map<char*,char*> *ulist= u->chans[i].channel->GetUsers();
+                        for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
                         {
-                                char* o = (*ulist)[j];
+                                char* o = i->second;
                                 userrec* otheruser = (userrec*)o;
                                 if (u != otheruser)
                                 {
@@ -930,6 +1024,18 @@ userrec* Find(std::string nick)
         return iter->second;
 }
 
+userrec* Find(const char* nick)
+{
+       if (!nick)
+               return NULL;
+       user_hash::iterator iter = clientlist.find(nick);
+       
+       if (iter == clientlist.end())
+               return NULL;
+
+       return iter->second;
+}
+
 /* find a channel record by channel name and return a pointer to it */
 
 chanrec* FindChan(const char* chan)
@@ -991,7 +1097,10 @@ void purge_empty_chans(userrec* u)
                                 {
                                         log(DEBUG,"del_channel: destroyed: %s",i2->second->name);
                                         if (i2->second)
+                                       {
+                                               FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(i2->second));
                                                 delete i2->second;
+                                       }
                                         chanlist.erase(i2);
                                         purge++;
                                         u->chans[i].channel = NULL;
@@ -1009,7 +1118,7 @@ void purge_empty_chans(userrec* u)
 }
 
 
-char* chanmodes(chanrec *chan)
+char* chanmodes(chanrec *chan, bool showkey)
 {
        static char scratch[MAXBUF];
        static char sparam[MAXBUF];
@@ -1041,7 +1150,9 @@ char* chanmodes(chanrec *chan)
         if (chan->binarymodes & CM_PRIVATE)
                 *offset++ = 'p';
         if (*chan->key)
-               snprintf(sparam,MAXBUF," %s",chan->key);
+       {
+               snprintf(sparam,MAXBUF," %s",showkey ? chan->key : "<key>");
+       }
         if (chan->limit)
         {
                 char foo[24];
@@ -1082,10 +1193,10 @@ void userlist(userrec *user,chanrec *c)
 
         snprintf(list,MAXBUF,"353 %s = %s :", user->nick, c->name);
 
-        std::vector<char*> *ulist = c->GetUsers();
-        for (unsigned int i = 0; i < ulist->size(); i++)
+        std::map<char*,char*> *ulist= c->GetUsers();
+        for (std::map<char*,char*>::iterator i = ulist->begin(); i != ulist->end(); i++)
         {
-                char* o = (*ulist)[i];
+                char* o = i->second;
                 userrec* otheruser = (userrec*)o;
                 if ((!has_channel(user,c)) && (strchr(otheruser->modes,'i')))
                 {
@@ -1229,7 +1340,10 @@ int usercount_invisible(void)
 
 int usercount_opers(void)
 {
-        return all_opers.size();
+       int c = 0;
+       for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
+               if (*i->second->oper) c++;
+        return c;
 }
 
 int usercount_unknown(void)
@@ -1280,7 +1394,15 @@ void ShowMOTD(userrec *user)
         // only one write operation
        if (Config->GetIOHook(user->port))
        {
-               Config->GetIOHook(user->port)->OnRawSocketWrite(user->fd,(char*)WholeMOTD.c_str(),WholeMOTD.length());
+               try
+               {
+                       Config->GetIOHook(user->port)->OnRawSocketWrite(user->fd,(char*)WholeMOTD.c_str(),WholeMOTD.length());
+               }
+                catch (ModuleException& modexcept)
+                {
+                        log(DEBUG,"Module exception cought: %s",modexcept.GetReason()); \
+                }
+
        }
        else
        {
@@ -1382,3 +1504,59 @@ std::string GetFullProgDir(char** argv, int argc)
         return otherdir;
 }
 
+int InsertMode(std::string &output, const char* mode, unsigned short section)
+{
+       unsigned short currsection = 1;
+       unsigned int pos = output.find("CHANMODES=", 0) + 10; // +10 for the length of "CHANMODES="
+       
+       if(section > 4 || section == 0)
+       {
+               log(DEBUG, "InsertMode: CHANMODES doesn't have a section %dh :/", section);
+               return 0;
+       }
+       
+       for(; pos < output.size(); pos++)
+       {
+               if(section == currsection)
+                       break;
+                       
+               if(output[pos] == ',')
+                       currsection++;
+       }
+       
+       output.insert(pos, mode);
+       return 1;
+}
+
+bool IsValidChannelName(const char *chname)
+{
+               char *c;
+
+               /* check for no name - don't check for !*chname, as if it is empty, it won't be '#'! */
+               if (!chname || *chname != '#')
+               {
+                               return false;
+               }
+
+               c = (char *)chname + 1;
+               while (*c)
+               {
+                               switch (*c)
+                               {
+                                               case ' ':
+                                               case ',':
+                                               case 7:
+                                                               return false;
+                               }
+
+                               c++;
+               }
+               
+               /* too long a name - note funky pointer arithmetic here. */
+               if ((c - chname) > CHANMAX)
+               {
+                               return false;
+               }
+
+               return true;
+}