]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_callerid.cpp
m_callerid Route ACCEPT to the server of the target user only, do not send METADATA...
[user/henk/code/inspircd.git] / src / modules / m_callerid.cpp
index 9cc9aaf5ecb88d717d14779b4658e097e6ec310c..91d417b10c09555bd656fea3fcc7a390a94b6c4d 100644 (file)
@@ -62,12 +62,20 @@ struct CallerIDExtInfo : public ExtensionItem
 
        std::string serialize(SerializeFormat format, const Extensible* container, void* item) const
        {
-               callerid_data* dat = static_cast<callerid_data*>(item);
-               return dat->ToString(format);
+               std::string ret;
+               if (format != FORMAT_NETWORK)
+               {
+                       callerid_data* dat = static_cast<callerid_data*>(item);
+                       ret = dat->ToString(format);
+               }
+               return ret;
        }
 
        void unserialize(SerializeFormat format, Extensible* container, const std::string& value)
        {
+               if (format == FORMAT_NETWORK)
+                       return;
+
                callerid_data* dat = new callerid_data;
                irc::commasepstream s(value);
                std::string tok;
@@ -76,9 +84,6 @@ struct CallerIDExtInfo : public ExtensionItem
 
                while (s.GetToken(tok))
                {
-                       if (tok.empty())
-                               continue;
-
                        User *u = ServerInstance->FindNick(tok);
                        if ((u) && (u->registered == REG_ALL) && (!u->quitting) && (!IS_SERVER(u)))
                        {
@@ -139,6 +144,23 @@ public:
 
 class CommandAccept : public Command
 {
+       /** Pair: first is the target, second is true to add, false to remove
+        */
+       typedef std::pair<User*, bool> ACCEPTAction;
+
+       ACCEPTAction GetTargetAndAction(std::string& tok)
+       {
+               bool remove = (tok[0] == '-');
+               if ((remove) || (tok[0] == '+'))
+                       tok.erase(tok.begin());
+
+               User* target = ServerInstance->FindNick(tok);
+               if ((!target) || (target->registered != REG_ALL) || (target->quitting) || (IS_SERVER(target)))
+                       target = NULL;
+
+               return std::make_pair(target, !remove);
+       }
+
 public:
        CallerIDExtInfo extInfo;
        unsigned int maxaccepts;
@@ -152,34 +174,16 @@ public:
 
        void EncodeParameter(std::string& parameter, int index)
        {
-               if (index != 0)
+               // Send lists as-is (part of 2.0 compat)
+               if (parameter.find(',') != std::string::npos)
                        return;
-               std::string out;
-               irc::commasepstream nicks(parameter);
-               std::string tok;
-               while (nicks.GetToken(tok))
-               {
-                       if (tok == "*")
-                       {
-                               continue; // Drop list requests, since remote servers ignore them anyway.
-                       }
-                       if (!out.empty())
-                               out.append(",");
-                       bool dash = false;
-                       if (tok[0] == '-')
-                       {
-                               dash = true;
-                               tok.erase(0, 1); // Remove the dash.
-                       }
-                       User* u = ServerInstance->FindNick(tok);
-                       if ((!u) || (u->registered != REG_ALL) || (u->quitting) || (IS_SERVER(u)))
-                               continue;
 
-                       if (dash)
-                               out.append("-");
-                       out.append(u->uuid);
-               }
-               parameter = out;
+               // Convert a [+|-]<nick> into a [-]<uuid>
+               ACCEPTAction action = GetTargetAndAction(parameter);
+               if (!action.first)
+                       return;
+
+               parameter = (action.second ? "" : "-") + action.first->uuid;
        }
 
        /** Will take any number of nicks (up to MaxTargets), which can be seperated by commas.
@@ -189,43 +193,58 @@ public:
         */
        CmdResult Handle(const std::vector<std::string> &parameters, User* user)
        {
-               if (ServerInstance->Parser->LoopCall(user, this, parameters, 0))
+               if (CommandParser::LoopCall(user, this, parameters, 0))
                        return CMD_SUCCESS;
+
                /* Even if callerid mode is not set, we let them manage their ACCEPT list so that if they go +g they can
                 * have a list already setup. */
 
-               std::string tok = parameters[0];
-
-               if (tok == "*")
+               if (parameters[0] == "*")
                {
-                       if (IS_LOCAL(user))
-                               ListAccept(user);
+                       ListAccept(user);
                        return CMD_SUCCESS;
                }
-               else if (tok[0] == '-')
+
+               std::string tok = parameters[0];
+               ACCEPTAction action = GetTargetAndAction(tok);
+               if (!action.first)
                {
-                       User* whotoremove = ServerInstance->FindNick(tok.substr(1));
-                       if (whotoremove)
-                               return (RemoveAccept(user, whotoremove) ? CMD_SUCCESS : CMD_FAILURE);
-                       else
-                               return CMD_FAILURE;
+                       user->WriteNumeric(401, "%s %s :No such nick/channel", user->nick.c_str(), tok.c_str());
+                       return CMD_FAILURE;
                }
+
+               if ((!IS_LOCAL(user)) && (!IS_LOCAL(action.first)))
+                       // Neither source nor target is local, forward the command to the server of target
+                       return CMD_SUCCESS;
+
+               // The second item in the pair is true if the first char is a '+' (or nothing), false if it's a '-'
+               if (action.second)
+                       return (AddAccept(user, action.first) ? CMD_SUCCESS : CMD_FAILURE);
                else
-               {
-                       User* whotoadd = ServerInstance->FindNick(tok[0] == '+' ? tok.substr(1) : tok);
-                       if ((whotoadd) && (whotoadd->registered == REG_ALL) && (!whotoadd->quitting) && (!IS_SERVER(whotoadd)))
-                               return (AddAccept(user, whotoadd) ? CMD_SUCCESS : CMD_FAILURE);
-                       else
-                       {
-                               user->WriteNumeric(401, "%s %s :No such nick/channel", user->nick.c_str(), tok.c_str());
-                               return CMD_FAILURE;
-                       }
-               }
+                       return (RemoveAccept(user, action.first) ? CMD_SUCCESS : CMD_FAILURE);
        }
 
        RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
        {
-               return ROUTE_BROADCAST;
+               // There is a list in parameters[0] in two cases:
+               // Either when the source is remote, this happens because 2.0 servers send comma seperated uuid lists,
+               // we don't split those but broadcast them, as before.
+               //
+               // Or if the source is local then LoopCall() runs OnPostCommand() after each entry in the list,
+               // meaning the linking module has sent an ACCEPT already for each entry in the list to the
+               // appropiate server and the ACCEPT with the list of nicks (this) doesn't need to be sent anywhere.
+               if ((!IS_LOCAL(user)) && (parameters[0].find(',') != std::string::npos))
+                       return ROUTE_BROADCAST;
+
+               // Find the target
+               std::string targetstring = parameters[0];
+               ACCEPTAction action = GetTargetAndAction(targetstring);
+               if (!action.first)
+                       // Target is a "*" or source is local and the target is a list of nicks
+                       return ROUTE_LOCALONLY;
+
+               // Route to the server of the target
+               return ROUTE_UNICAST(action.first->server);
        }
 
        void ListAccept(User* user)