2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
6 * This file is part of InspIRCd. InspIRCd is free software: you can
7 * redistribute it and/or modify it under the terms of the GNU General Public
8 * License as published by the Free Software Foundation, version 2.
10 * This program is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 #include "modules/ssl.h"
23 class SSLCertExt : public ExtensionItem {
25 SSLCertExt(Module* parent) : ExtensionItem("ssl_cert", parent) {}
26 ssl_cert* get(const Extensible* item) const
28 return static_cast<ssl_cert*>(get_raw(item));
30 void set(Extensible* item, ssl_cert* value)
32 value->refcount_inc();
33 ssl_cert* old = static_cast<ssl_cert*>(set_raw(item, value));
34 if (old && old->refcount_dec())
38 std::string serialize(SerializeFormat format, const Extensible* container, void* item) const
40 return static_cast<ssl_cert*>(item)->GetMetaLine();
43 void unserialize(SerializeFormat format, Extensible* container, const std::string& value)
45 ssl_cert* cert = new ssl_cert;
48 std::stringstream s(value);
52 cert->invalid = (v.find('v') != std::string::npos);
53 cert->trusted = (v.find('T') != std::string::npos);
54 cert->revoked = (v.find('R') != std::string::npos);
55 cert->unknownsigner = (v.find('s') != std::string::npos);
56 if (v.find('E') != std::string::npos)
58 getline(s,cert->error,'\n');
62 getline(s,cert->fingerprint,' ');
63 getline(s,cert->dn,' ');
64 getline(s,cert->issuer,'\n');
70 ssl_cert* old = static_cast<ssl_cert*>(item);
71 if (old && old->refcount_dec())
78 class CommandSSLInfo : public Command
83 CommandSSLInfo(Module* Creator) : Command(Creator, "SSLINFO", 1), CertExt(Creator)
85 this->syntax = "<nick>";
88 CmdResult Handle (const std::vector<std::string> ¶meters, User *user)
90 User* target = ServerInstance->FindNickOnly(parameters[0]);
92 if ((!target) || (target->registered != REG_ALL))
94 user->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nickname", parameters[0].c_str());
97 bool operonlyfp = ServerInstance->Config->ConfValue("sslinfo")->getBool("operonly");
98 if (operonlyfp && !user->IsOper() && target != user)
100 user->WriteNotice("*** You cannot view SSL certificate information for other users");
103 ssl_cert* cert = CertExt.get(target);
106 user->WriteNotice("*** No SSL certificate for this user");
108 else if (cert->GetError().length())
110 user->WriteNotice("*** No SSL certificate information for this user (" + cert->GetError() + ").");
114 user->WriteNotice("*** Distinguished Name: " + cert->GetDN());
115 user->WriteNotice("*** Issuer: " + cert->GetIssuer());
116 user->WriteNotice("*** Key Fingerprint: " + cert->GetFingerprint());
122 class UserCertificateAPIImpl : public UserCertificateAPIBase
127 UserCertificateAPIImpl(Module* mod, SSLCertExt& certext)
128 : UserCertificateAPIBase(mod), ext(certext)
132 ssl_cert* GetCertificate(User* user) CXX11_OVERRIDE
134 return ext.get(user);
138 class ModuleSSLInfo : public Module
141 UserCertificateAPIImpl APIImpl;
145 : cmd(this), APIImpl(this, cmd.CertExt)
149 Version GetVersion() CXX11_OVERRIDE
151 return Version("SSL Certificate Utilities", VF_VENDOR);
154 void OnWhois(User* source, User* dest) CXX11_OVERRIDE
156 ssl_cert* cert = cmd.CertExt.get(dest);
159 ServerInstance->SendWhoisLine(source, dest, 671, "%s :is using a secure connection", dest->nick.c_str());
160 bool operonlyfp = ServerInstance->Config->ConfValue("sslinfo")->getBool("operonly");
161 if ((!operonlyfp || source == dest || source->IsOper()) && !cert->fingerprint.empty())
162 ServerInstance->SendWhoisLine(source, dest, 276, "%s :has client certificate fingerprint %s",
163 dest->nick.c_str(), cert->fingerprint.c_str());
167 ModResult OnPreCommand(std::string &command, std::vector<std::string> ¶meters, LocalUser *user, bool validated, const std::string &original_line) CXX11_OVERRIDE
169 if ((command == "OPER") && (validated))
171 OperIndex::iterator i = ServerInstance->Config->oper_blocks.find(parameters[0]);
172 if (i != ServerInstance->Config->oper_blocks.end())
174 OperInfo* ifo = i->second;
175 ssl_cert* cert = cmd.CertExt.get(user);
177 if (ifo->oper_block->getBool("sslonly") && !cert)
179 user->WriteNumeric(491, ":This oper login requires an SSL connection.");
180 user->CommandFloodPenalty += 10000;
184 std::string fingerprint;
185 if (ifo->oper_block->readString("fingerprint", fingerprint) && (!cert || cert->GetFingerprint() != fingerprint))
187 user->WriteNumeric(491, ":This oper login requires a matching SSL fingerprint.");
188 user->CommandFloodPenalty += 10000;
194 // Let core handle it for extra stuff
195 return MOD_RES_PASSTHRU;
198 void OnUserConnect(LocalUser* user) CXX11_OVERRIDE
200 ssl_cert* cert = SSLClientCert::GetCertificate(&user->eh);
202 cmd.CertExt.set(user, cert);
205 void OnPostConnect(User* user) CXX11_OVERRIDE
207 ssl_cert *cert = cmd.CertExt.get(user);
208 if (!cert || cert->fingerprint.empty())
210 // find an auto-oper block for this user
211 for(OperIndex::iterator i = ServerInstance->Config->oper_blocks.begin(); i != ServerInstance->Config->oper_blocks.end(); i++)
213 OperInfo* ifo = i->second;
214 std::string fp = ifo->oper_block->getString("fingerprint");
215 if (fp == cert->fingerprint && ifo->oper_block->getBool("autologin"))
220 ModResult OnSetConnectClass(LocalUser* user, ConnectClass* myclass) CXX11_OVERRIDE
222 ssl_cert* cert = SSLClientCert::GetCertificate(&user->eh);
224 if (myclass->config->getString("requiressl") == "trusted")
226 ok = (cert && cert->IsCAVerified());
228 else if (myclass->config->getBool("requiressl"))
235 return MOD_RES_PASSTHRU;
239 MODULE_INIT(ModuleSSLInfo)