src/cmd_topic.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *            the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 #include "inspircd.h"
  15 #include "configreader.h"
  16 #include "users.h"
  17 #include "modules.h"
  18 #include "commands/cmd_topic.h"
  19
  20
  21 extern "C" DllExport command_t* init_command(InspIRCd* Instance)
  22 {
  23         return new cmd_topic(Instance);
  24 }
  25
  26 CmdResult cmd_topic::Handle (const char** parameters, int pcnt, userrec *user)
  27 {
  28         chanrec* Ptr;
  29
  30         if (pcnt == 1)
  31         {
  32                 Ptr = ServerInstance->FindChan(parameters[0]);
  33                 if (Ptr)
  34                 {
  35                         if ((Ptr->modes[CM_SECRET]) && (!Ptr->HasUser(user)))
  36                         {
  37                                 user->WriteServ("401 %s %s :No such nick/channel",user->nick, Ptr->name);
  38                                 return CMD_FAILURE;
  39                         }
  40                         if (Ptr->topicset)
  41                         {
  42                                 user->WriteServ("332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
  43                                 user->WriteServ("333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
  44                         }
  45                         else
  46                         {
  47                                 user->WriteServ("331 %s %s :No topic is set.", user->nick, Ptr->name);
  48                         }
  49                 }
  50                 else
  51                 {
  52                         user->WriteServ("401 %s %s :No such nick/channel",user->nick, parameters[0]);
  53                         return CMD_FAILURE;
  54                 }
  55                 return CMD_SUCCESS;
  56         }
  57         else if (pcnt>1)
  58         {
  59                 Ptr = ServerInstance->FindChan(parameters[0]);
  60                 if (Ptr)
  61                 {
  62                         if (IS_LOCAL(user))
  63                         {
  64                                 if (!Ptr->HasUser(user))
  65                                 {
  66                                         user->WriteServ("442 %s %s :You're not on that channel!",user->nick, Ptr->name);
  67                                         return CMD_FAILURE;
  68                                 }
  69                                 if ((Ptr->modes[CM_TOPICLOCK]) && (Ptr->GetStatus(user) < STATUS_HOP))
  70                                 {
  71                                         user->WriteServ("482 %s %s :You must be at least a half-operator to change the topic on this channel", user->nick, Ptr->name);
  72                                         return CMD_FAILURE;
  73                                 }
  74                         }
  75
  76                         char topic[MAXTOPIC];
  77
  78                         if (IS_LOCAL(user))
  79                         {
  80                                 /* XXX: we need two string copies for a local topic, because we cant
  81                                  * let a module see the topic as longer than it actually is
  82                                  */
  83                                 int MOD_RESULT = 0;
  84
  85                                 strlcpy(topic,parameters[1],MAXTOPIC-1);
  86                                 FOREACH_RESULT(I_OnLocalTopicChange,OnLocalTopicChange(user,Ptr,topic));
  87                                 if (MOD_RESULT)
  88                                         return CMD_FAILURE;
  89
  90                                 strlcpy(Ptr->topic,topic,MAXTOPIC-1);
  91                         }
  92                         else
  93                         {
  94                                 /* Sneaky shortcut, one string copy for a remote topic */
  95                                 strlcpy(Ptr->topic, parameters[1], MAXTOPIC-1);
  96                         }
  97
  98                         if (ServerInstance->Config->FullHostInTopic)
  99                                 strlcpy(Ptr->setby,user->GetFullHost(),127);
 100                         else
 101                                 strlcpy(Ptr->setby,user->nick,127);
 102
 103                         Ptr->topicset = ServerInstance->Time();
 104                         Ptr->WriteChannel(user, "TOPIC %s :%s", Ptr->name, Ptr->topic);
 105
 106                         if (IS_LOCAL(user))
 107                                 /* We know 'topic' will contain valid data here */
 108                                 FOREACH_MOD(I_OnPostLocalTopicChange,OnPostLocalTopicChange(user, Ptr, topic));
 109                 }
 110                 else
 111                 {
 112                         user->WriteServ("401 %s %s :No such nick/channel",user->nick, parameters[0]);
 113                         return CMD_FAILURE;
 114                 }
 115         }
 116         return CMD_SUCCESS;
 117 }
 118