1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2012 Shawn Smith <ShawnSmith0828@gmail.com>
* Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2006 Craig Edwards <craigedwards@brainbox.cc>
* Copyright (C) 2006 Oliver Lupton <oliverlupton@gmail.com>
*
* This file is part of InspIRCd. InspIRCd is free software: you can
* redistribute it and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation, version 2.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "inspircd.h"
#include "ssl.h"
/* $ModDesc: Provides support for secure-only channels, queries and notices. */
/** Handle channel mode +z
*/
class SSLMode : public ModeHandler
{
public:
dynamic_reference<UserCertificateProvider> sslinfo;
SSLMode(Module* Creator) : ModeHandler(Creator, "sslonly", 'z', PARAM_NONE, MODETYPE_CHANNEL),
sslinfo("sslinfo") { fixed_letter = false; }
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
{
if (adding)
{
if (!channel->IsModeSet(this))
{
if (IS_LOCAL(source))
{
const UserMembList* userlist = channel->GetUsers();
for(UserMembCIter i = userlist->begin(); i != userlist->end(); i++)
{
if ((!sslinfo || !sslinfo->GetCert(i->first)) && !ServerInstance->ULine(i->first->server))
{
source->WriteNumeric(ERR_ALLMUSTSSL, "%s %s :all members of the channel must be connected via SSL", source->nick.c_str(), channel->name.c_str());
return MODEACTION_DENY;
}
}
}
channel->SetMode(this,true);
return MODEACTION_ALLOW;
}
else
{
return MODEACTION_DENY;
}
}
else
{
if (channel->IsModeSet(this))
{
channel->SetMode(this,false);
return MODEACTION_ALLOW;
}
return MODEACTION_DENY;
}
}
};
/** Handles umode z
*/
class SSLModeUser : public ModeHandler
{
public:
dynamic_reference<UserCertificateProvider> sslinfo;
SSLModeUser(Module* Creator) : ModeHandler(Creator, "secure_queries", 'z', PARAM_NONE, MODETYPE_USER), sslinfo("sslinfo") { fixed_letter = false; }
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
{
if (adding)
{
if (!dest->IsModeSet('z') && sslinfo->GetCert(dest))
{
dest->SetMode('z', true);
return MODEACTION_ALLOW;
}
}
else
{
if (dest->IsModeSet('z'))
{
dest->SetMode('z', false);
return MODEACTION_ALLOW;
}
}
return MODEACTION_DENY;
}
};
class ModuleSSLModes : public Module
{
SSLMode sslm;
SSLModeUser sslpm;
public:
ModuleSSLModes() : sslm(this), sslpm(this) {}
void init()
{
ServerInstance->Modules->AddService(sslm);
ServerInstance->Modules->AddService(sslpm);
Implementation eventlist[] = { I_OnCheckJoin, I_OnCheckBan, I_On005Numeric, I_OnUserPreMessage, I_OnUserPreNotice };
ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
}
void OnCheckJoin(ChannelPermissionData& join)
{
if (!join.chan || join.result != MOD_RES_PASSTHRU || !join.chan->IsModeSet(&sslm))
return;
if (!sslm.sslinfo || !sslm.sslinfo->GetCert(join.user))
{
join.ErrorNumeric(489, "%s :Cannot join channel; SSL users only (+z)", join.chan->name.c_str());
join.result = MOD_RES_DENY;
}
}
ModResult OnCheckBan(User *user, Channel *c, const std::string& mask)
{
if (mask[0] == 'z' && mask[1] == ':' && sslm.sslinfo)
{
if (InspIRCd::Match(sslm.sslinfo->GetFingerprint(user), mask.substr(2)))
return MOD_RES_DENY;
}
return MOD_RES_PASSTHRU;
}
ModResult OnUserPreMessage(User* user, void* dest, int target_type, std::string &text, char status, CUList &exempt_list)
{
if (target_type == TYPE_USER)
{
User* t = (User*)dest;
// If recieving is +z and sending is not ulined
if (t->IsModeSet('z') && !ServerInstance->ULine(user->server))
{
if (!sslpm.sslinfo || !sslpm.sslinfo->GetCert(user))
{
user->WriteNumeric(ERR_CANTSENDTOUSER, "%s %s :You are not permitted to send private messages to this user (+z set)", user->nick.c_str(), t->nick.c_str());
return MOD_RES_DENY;
}
}
else if (user->IsModeSet('z') && !ServerInstance->ULine(t->server))
{
// If sending is +z and recieving is not ulined
if (!sslpm.sslinfo || !sslpm.sslinfo->GetCert(t))
{
user->WriteNumeric(ERR_CANTSENDTOUSER, "%s %s :You must remove usermode 'z' before you are able to send private messages to a non-ssl user.", user->nick.c_str(), t->nick.c_str());
return MOD_RES_DENY;
}
}
}
return MOD_RES_PASSTHRU;
}
ModResult OnUserPreNotice(User* user, void* dest, int target_type, std::string &text, char status, CUList &exempt_list)
{
return OnUserPreMessage(user, dest, target_type, text, status, exempt_list);
}
~ModuleSSLModes()
{
}
void On005Numeric(std::string &output)
{
ServerInstance->AddExtBanChar('z');
}
Version GetVersion()
{
return Version("Provides support for secure-only channels, queries and notices.", VF_VENDOR);
}
};
MODULE_INIT(ModuleSSLModes)
|
