src/cmd_topic.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
   6  *                        E-mail:
   7  *                <brain@chatspike.net>
   8  *                <Craig@chatspike.net>
   9  *
  10  * Written by Craig Edwards, Craig McLure, and others.
  11  * This program is free but copyrighted software; see
  12  *            the file COPYING for details.
  13  *
  14  * ---------------------------------------------------
  15  */
  16
  17 #include "configreader.h"
  18 #include "users.h"
  19 #include "modules.h"
  20 #include "commands/cmd_topic.h"
  21
  22
  23
  24 extern "C" command_t* init_command(InspIRCd* Instance)
  25 {
  26         return new cmd_topic(Instance);
  27 }
  28
  29 CmdResult cmd_topic::Handle (const char** parameters, int pcnt, userrec *user)
  30 {
  31         chanrec* Ptr;
  32
  33         if (pcnt == 1)
  34         {
  35                 Ptr = ServerInstance->FindChan(parameters[0]);
  36                 if (Ptr)
  37                 {
  38                         if ((Ptr->modes[CM_SECRET]) && (!Ptr->HasUser(user)))
  39                         {
  40                                 user->WriteServ("401 %s %s :No such nick/channel",user->nick, Ptr->name);
  41                                 return CMD_FAILURE;
  42                         }
  43                         if (Ptr->topicset)
  44                         {
  45                                 user->WriteServ("332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
  46                                 user->WriteServ("333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
  47                         }
  48                         else
  49                         {
  50                                 user->WriteServ("331 %s %s :No topic is set.", user->nick, Ptr->name);
  51                         }
  52                 }
  53                 else
  54                 {
  55                         user->WriteServ("401 %s %s :No such nick/channel",user->nick, parameters[0]);
  56                         return CMD_FAILURE;
  57                 }
  58                 return CMD_SUCCESS;
  59         }
  60         else if (pcnt>1)
  61         {
  62                 Ptr = ServerInstance->FindChan(parameters[0]);
  63                 if (Ptr)
  64                 {
  65                         if (IS_LOCAL(user))
  66                         {
  67                                 if (!Ptr->HasUser(user))
  68                                 {
  69                                         user->WriteServ("442 %s %s :You're not on that channel!",user->nick, Ptr->name);
  70                                         return CMD_FAILURE;
  71                                 }
  72                                 if ((Ptr->modes[CM_TOPICLOCK]) && (Ptr->GetStatus(user) < STATUS_HOP))
  73                                 {
  74                                         user->WriteServ("482 %s %s :You must be at least a half-operator to change modes on this channel", user->nick, Ptr->name);
  75                                         return CMD_FAILURE;
  76                                 }
  77                         }
  78
  79                         char topic[MAXTOPIC];
  80
  81                         if (IS_LOCAL(user))
  82                         {
  83                                 /* XXX: we need two string copies for a local topic, because we cant
  84                                  * let a module see the topic as longer than it actually is
  85                                  */
  86                                 int MOD_RESULT = 0;
  87
  88                                 strlcpy(topic,parameters[1],MAXTOPIC-1);
  89                                 FOREACH_RESULT(I_OnLocalTopicChange,OnLocalTopicChange(user,Ptr,topic));
  90                                 if (MOD_RESULT)
  91                                         return CMD_FAILURE;
  92
  93                                 strlcpy(Ptr->topic,topic,MAXTOPIC-1);
  94                         }
  95                         else
  96                         {
  97                                 /* Sneaky shortcut, one string copy for a remote topic */
  98                                 strlcpy(Ptr->topic, parameters[1], MAXTOPIC-1);
  99                         }
 100
 101                         strlcpy(Ptr->setby,user->nick,NICKMAX-1);
 102                         Ptr->topicset = ServerInstance->Time();
 103                         Ptr->WriteChannel(user, "TOPIC %s :%s", Ptr->name, Ptr->topic);
 104
 105                         if (IS_LOCAL(user))
 106                                 /* We know 'topic' will contain valid data here */
 107                                 FOREACH_MOD(I_OnPostLocalTopicChange,OnPostLocalTopicChange(user, Ptr, topic));
 108                 }
 109                 else
 110                 {
 111                         user->WriteServ("401 %s %s :No such nick/channel",user->nick, parameters[0]);
 112                         return CMD_FAILURE;
 113                 }
 114         }
 115         return CMD_SUCCESS;
 116 }
 117