+ const char* x = parameters[1].c_str();
+
+ for (; *x; x++)
+ {
+ if (!hostmap[(unsigned char)*x])
+ {
+ user->WriteServ("NOTICE "+std::string(user->nick)+" :*** CHGHOST: Invalid characters in hostname");
+ return CMD_FAILURE;
+ }
+ }
+
+ if ((parameters[1].c_str() - x) > 63)
+ {
+ user->WriteServ("NOTICE %s :*** CHGHOST: Host too long", user->nick.c_str());
+ return CMD_FAILURE;
+ }
+ User* dest = ServerInstance->FindNick(parameters[0]);
+
+ if (!dest)
+ {
+ user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel", user->nick.c_str(), parameters[0].c_str());
+ return CMD_FAILURE;
+ }
+
+ if (IS_LOCAL(dest))
+ {
+ if ((dest->ChangeDisplayedHost(parameters[1].c_str())) && (!ServerInstance->ULine(user->server)))
+ {
+ // fix by brain - ulines set hosts silently
+ ServerInstance->SNO->WriteGlobalSno('a', std::string(user->nick)+" used CHGHOST to make the displayed host of "+dest->nick+" become "+dest->dhost);
+ }
+ }
+
+ return CMD_SUCCESS;