m_dnsbl: check returned results are in 127.0.0.0/8

[user/henk/code/inspircd.git] / src / modules / m_timedbans.cpp

diff --git a/src/modules/m_timedbans.cpp b/src/modules/m_timedbans.cpp
index f633bc3e209d6ea5b19ffea5bdd61411814d1018..b473277046c0af470fbd3afea566c89711090711 100644 (file)
--- a/src/modules/m_timedbans.cpp
+++ b/src/modules/m_timedbans.cpp
@@ -42,6 +42,16 @@ timedbans TimedBanList;
  */
 class CommandTban : public Command
 {
+       static bool IsBanSet(Channel* chan, const std::string& mask)
+       {
+               for (BanList::const_iterator i = chan->bans.begin(); i != chan->bans.end(); ++i)
+               {
+                       if (!strcasecmp(i->data.c_str(), mask.c_str()))
+                               return true;
+               }
+               return false;
+       }
+
  public:
        CommandTban(Module* Creator) : Command(Creator,"TBAN", 3)
        {
@@ -86,15 +96,20 @@ class CommandTban : public Command
                        user->WriteServ("NOTICE "+user->nick+" :Invalid ban mask");
                        return CMD_FAILURE;
                }
+
+               if (IsBanSet(channel, mask))
+               {
+                       user->WriteServ("NOTICE %s :Ban already set", user->nick.c_str());
+                       return CMD_FAILURE;
+               }
+
                setban.push_back(mask);
                // use CallHandler to make it so that the user sets the mode
                // themselves
                ServerInstance->Parser->CallHandler("MODE",setban,user);
-               for (BanList::iterator i = channel->bans.begin(); i != channel->bans.end(); i++)
-                       if (!strcasecmp(i->data.c_str(), mask.c_str()))
-                               goto found;
-               return CMD_FAILURE;
-found:
+               if (!IsBanSet(channel, mask))
+                       return CMD_FAILURE;
+
                CUList tmp;
                T.channel = channelname;
                T.mask = mask;
@@ -116,6 +131,22 @@ found:
        }
 };
 
+class ChannelMatcher
+{
+       Channel* const chan;
+
+ public:
+       ChannelMatcher(Channel* ch)
+               : chan(ch)
+       {
+       }
+
+       bool operator()(const TimedBan& tb) const
+       {
+               return (tb.chan == chan);
+       }
+};
+
 class ModuleTimedBans : public Module
 {
        CommandTban cmd;
@@ -128,7 +159,7 @@ class ModuleTimedBans : public Module
        void init()
        {
                ServerInstance->Modules->AddService(cmd);
-               Implementation eventlist[] = { I_OnDelBan, I_OnBackgroundTimer };
+               Implementation eventlist[] = { I_OnDelBan, I_OnBackgroundTimer, I_OnChannelDelete };
                ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
        }
 
@@ -185,6 +216,12 @@ class ModuleTimedBans : public Module
                }
        }
 
+       void OnChannelDelete(Channel* chan)
+       {
+               // Remove all timed bans affecting the channel from internal bookkeeping
+               TimedBanList.erase(std::remove_if(TimedBanList.begin(), TimedBanList.end(), ChannelMatcher(chan)), TimedBanList.end());
+       }
+
        virtual Version GetVersion()
        {
                return Version("Adds timed bans", VF_COMMON | VF_VENDOR);