]> git.netwichtig.de Git - user/henk/code/inspircd.git/blob - src/modules/m_banexception.cpp
d90cbff2959eb90782d90784c9f05f3494409514
[user/henk/code/inspircd.git] / src / modules / m_banexception.cpp
1 /*       +------------------------------------+
2  *       | Inspire Internet Relay Chat Daemon |
3  *       +------------------------------------+
4  *
5  *  InspIRCd: (C) 2002-2008 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 "u_listmode.h"
16 #include "wildcard.h"
17
18 /* $ModDesc: Provides support for the +e channel mode */
19 /* $ModDep: ../../include/u_listmode.h */
20
21 /* Written by Om<om@inspircd.org>, April 2005. */
22 /* Rewritten to use the listmode utility by Om, December 2005 */
23 /* Adapted from m_exception, which was originally based on m_chanprotect and m_silence */
24
25 // The +e channel mode takes a nick!ident@host, glob patterns allowed,
26 // and if a user matches an entry on the +e list then they can join the channel, overriding any (+b) bans set on them
27 // Now supports CIDR and IP addresses -- Brain
28
29
30 /** Handles +e channel mode
31  */
32 class BanException : public ListModeBase
33 {
34  public:
35         BanException(InspIRCd* Instance) : ListModeBase(Instance, 'e', "End of Channel Exception List", 348, 349, true) { }
36 };
37
38
39 class ModuleBanException : public Module
40 {
41         BanException* be;
42         
43
44 public:
45         ModuleBanException(InspIRCd* Me) : Module(Me)
46         {
47                 be = new BanException(ServerInstance);
48                 if (!ServerInstance->Modes->AddMode(be))
49                         throw ModuleException("Could not add new modes!");
50                 ServerInstance->Modules->PublishInterface("ChannelBanList", this);
51
52                 be->DoImplements(this);
53                 Implementation list[] = { I_OnRehash, I_OnRequest, I_On005Numeric, I_OnCheckBan };
54                 Me->Modules->Attach(list, this, 4);
55
56         }
57         
58         virtual void On005Numeric(std::string &output)
59         {
60                 output.append(" EXCEPTS=e");
61         }
62
63         virtual int OnCheckBan(User* user, Channel* chan)
64         {
65                 if (chan != NULL)
66                 {
67                         modelist* list;
68                         chan->GetExt(be->GetInfoKey(), list);
69                         
70                         if (!list)
71                         {
72                                 // No list, proceed normally
73                                 return 0;
74                         }
75
76                         std::string mask = std::string(user->nick) + "!" + user->ident + "@" + user->GetIPString();
77                         for (modelist::iterator it = list->begin(); it != list->end(); it++)
78                         {
79                                 if (match(user->GetFullRealHost(), it->mask) || match(user->GetFullHost(), it->mask) || (match(mask, it->mask, true)))
80                                 {
81                                         // They match an entry on the list, so let them in.
82                                         return 1;
83                                 }
84                         }
85                 }
86                 return 0;       
87         }
88
89         virtual void OnCleanup(int target_type, void* item)
90         {
91                 be->DoCleanup(target_type, item);
92         }
93
94         virtual void OnSyncChannel(Channel* chan, Module* proto, void* opaque)
95         {
96                 be->DoSyncChannel(chan, proto, opaque);
97         }
98
99         virtual void OnChannelDelete(Channel* chan)
100         {
101                 be->DoChannelDelete(chan);
102         }
103
104         virtual void OnRehash(User* user, const std::string &param)
105         {
106                 be->DoRehash();
107         }
108
109         virtual const char* OnRequest(Request* request)
110         {
111                 ListModeRequest* LM = (ListModeRequest*)request;
112                 if (strcmp("LM_CHECKLIST", request->GetId()) == 0)
113                 {
114                         modelist* list;
115                         LM->chan->GetExt(be->GetInfoKey(), list);
116                         if (list)
117                         {
118                                 std::string mask = std::string(LM->user->nick) + "!" + LM->user->ident + "@" + LM->user->GetIPString();
119                                 for (modelist::iterator it = list->begin(); it != list->end(); it++)
120                                 {
121                                         if (match(LM->user->GetFullRealHost(), it->mask) || match(LM->user->GetFullHost(), it->mask) || (match(mask, it->mask, true)))
122                                         {
123                                                 // They match an entry
124                                                 return (char*)it->mask.c_str();
125                                         }
126                                 }
127                                 return NULL;
128                         }
129                 }
130                 return NULL;
131         }
132
133         virtual Version GetVersion()
134         {
135                 return Version(1, 2, 0, 3, VF_COMMON | VF_VENDOR, API_VERSION);
136         }
137         
138         virtual ~ModuleBanException()
139         {
140                 ServerInstance->Modes->DelMode(be);
141                 delete be;
142                 ServerInstance->Modules->UnpublishInterface("ChannelBanList", this);
143         }
144 };
145
146 MODULE_INIT(ModuleBanException)