]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_sslinfo.cpp
Tidy up source files:
[user/henk/code/inspircd.git] / src / modules / m_sslinfo.cpp
index 185df53757aaedc7a2a28510cecc61184b1ef6ed..b51c30b768ab0df72fdae9b89ebe275361de33f2 100644 (file)
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
  *
- *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
- * See: http://wiki.inspircd.org/Credits
+ *   Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
  *
- * This program is free but copyrighted software; see
- *            the file COPYING for details.
+ * 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 "transport.h"
+#include "modules/ssl.h"
 
 /* $ModDesc: Provides SSL metadata, including /WHOIS information and /SSLINFO command */
 
+class SSLCertExt : public ExtensionItem {
+ public:
+       SSLCertExt(Module* parent) : ExtensionItem("ssl_cert", parent) {}
+       ssl_cert* get(const Extensible* item) const
+       {
+               return static_cast<ssl_cert*>(get_raw(item));
+       }
+       void set(Extensible* item, ssl_cert* value)
+       {
+               value->refcount_inc();
+               ssl_cert* old = static_cast<ssl_cert*>(set_raw(item, value));
+               if (old && old->refcount_dec())
+                       delete old;
+       }
+
+       std::string serialize(SerializeFormat format, const Extensible* container, void* item) const
+       {
+               return static_cast<ssl_cert*>(item)->GetMetaLine();
+       }
+
+       void unserialize(SerializeFormat format, Extensible* container, const std::string& value)
+       {
+               ssl_cert* cert = new ssl_cert;
+               set(container, cert);
+
+               std::stringstream s(value);
+               std::string v;
+               getline(s,v,' ');
+
+               cert->invalid = (v.find('v') != std::string::npos);
+               cert->trusted = (v.find('T') != std::string::npos);
+               cert->revoked = (v.find('R') != std::string::npos);
+               cert->unknownsigner = (v.find('s') != std::string::npos);
+               if (v.find('E') != std::string::npos)
+               {
+                       getline(s,cert->error,'\n');
+               }
+               else
+               {
+                       getline(s,cert->fingerprint,' ');
+                       getline(s,cert->dn,' ');
+                       getline(s,cert->issuer,'\n');
+               }
+       }
+
+       void free(void* item)
+       {
+               ssl_cert* old = static_cast<ssl_cert*>(item);
+               if (old && old->refcount_dec())
+                       delete old;
+       }
+};
+
 /** Handle /SSLINFO
  */
 class CommandSSLInfo : public Command
 {
  public:
-       CommandSSLInfo (InspIRCd* Instance) : Command(Instance,"SSLINFO", 0, 1)
+       SSLCertExt CertExt;
+
+       CommandSSLInfo(Module* Creator) : Command(Creator, "SSLINFO", 1), CertExt(Creator)
        {
-               this->source = "m_sslinfo.so";
                this->syntax = "<nick>";
        }
 
        CmdResult Handle (const std::vector<std::string> &parameters, User *user)
        {
-               User* target = ServerInstance->FindNick(parameters[0]);
-               ssl_cert* cert;
+               User* target = ServerInstance->FindNickOnly(parameters[0]);
 
-               if (target)
+               if ((!target) || (target->registered != REG_ALL))
                {
-                       if (target->GetExt("ssl_cert", cert))
-                       {
-                               if (cert->GetError().length())
-                               {
-                                       user->WriteServ("NOTICE %s :*** No SSL certificate information for this user (%s).", user->nick.c_str(), cert->GetError().c_str());
-                               }
-                               else
-                               {
-                                       user->WriteServ("NOTICE %s :*** Distinguised Name: %s", user->nick.c_str(), cert->GetDN().c_str());
-                                       user->WriteServ("NOTICE %s :*** Issuer:            %s", user->nick.c_str(), cert->GetIssuer().c_str());
-                                       user->WriteServ("NOTICE %s :*** Key Fingerprint:   %s", user->nick.c_str(), cert->GetFingerprint().c_str());
-                               }
-                               return CMD_LOCALONLY;
-                       }
-                       else
-                       {
-                               user->WriteServ("NOTICE %s :*** No SSL certificate information for this user.", user->nick.c_str());
-                               return CMD_FAILURE;
-                       }
+                       user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nickname", user->nick.c_str(), parameters[0].c_str());
+                       return CMD_FAILURE;
+               }
+               bool operonlyfp = ServerInstance->Config->ConfValue("sslinfo")->getBool("operonly");
+               if (operonlyfp && !user->IsOper() && target != user)
+               {
+                       user->WriteServ("NOTICE %s :*** You cannot view SSL certificate information for other users", user->nick.c_str());
+                       return CMD_FAILURE;
+               }
+               ssl_cert* cert = CertExt.get(target);
+               if (!cert)
+               {
+                       user->WriteServ("NOTICE %s :*** No SSL certificate for this user", user->nick.c_str());
+               }
+               else if (cert->GetError().length())
+               {
+                       user->WriteServ("NOTICE %s :*** No SSL certificate information for this user (%s).", user->nick.c_str(), cert->GetError().c_str());
                }
                else
-                       user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nickname", user->nick.c_str(), parameters[0].c_str());
-
-               return CMD_FAILURE;
+               {
+                       user->WriteServ("NOTICE %s :*** Distinguished Name: %s", user->nick.c_str(), cert->GetDN().c_str());
+                       user->WriteServ("NOTICE %s :*** Issuer:             %s", user->nick.c_str(), cert->GetIssuer().c_str());
+                       user->WriteServ("NOTICE %s :*** Key Fingerprint:    %s", user->nick.c_str(), cert->GetFingerprint().c_str());
+               }
+               return CMD_SUCCESS;
        }
 };
 
 class ModuleSSLInfo : public Module
 {
        CommandSSLInfo cmd;
+
  public:
-       ModuleSSLInfo(InspIRCd* Me)
-               : Module(Me), cmd(Me)
+       ModuleSSLInfo() : cmd(this)
        {
-               ServerInstance->AddCommand(&cmd);
-
-               Implementation eventlist[] = { I_OnSyncUser, I_OnDecodeMetaData, I_OnWhois, I_OnPreCommand };
-               ServerInstance->Modules->Attach(eventlist, this, 4);
        }
 
-
-       virtual ~ModuleSSLInfo()
+       void init()
        {
-       }
+               ServerInstance->Modules->AddService(cmd);
 
-       virtual Version GetVersion()
-       {
-               return Version("$Id$", VF_VENDOR, API_VERSION);
-       }
+               ServerInstance->Modules->AddService(cmd.CertExt);
 
-       virtual void OnWhois(User* source, User* dest)
-       {
-               if(dest->GetExt("ssl"))
-               {
-                       ServerInstance->SendWhoisLine(source, dest, 320, "%s %s :is using a secure connection", source->nick.c_str(), dest->nick.c_str());
-               }
+               Implementation eventlist[] = { I_OnWhois, I_OnPreCommand, I_OnSetConnectClass, I_OnUserConnect, I_OnPostConnect };
+               ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
        }
 
-       virtual void OnSyncUser(User* user, Module* proto, void* opaque)
+       Version GetVersion()
        {
-               if (user->GetExt("ssl"))
-                       proto->ProtoSendMetaData(opaque, user, "ssl", "ON");
-               
-               ssl_cert* cert;
-               if (user->GetExt("ssl_cert", cert))
-                       proto->ProtoSendMetaData(opaque, user, "ssl_cert", cert->GetMetaLine().c_str());
+               return Version("SSL Certificate Utilities", VF_VENDOR);
        }
 
-       virtual void OnDecodeMetaData(Extensible* target, const std::string &extname, const std::string &extdata)
+       void OnWhois(User* source, User* dest)
        {
-               User* dest = dynamic_cast<User*>(target);
-               // check if its our metadata key, and its associated with a user
-               if (dest && (extname == "ssl"))
-               {
-                       // if they dont already have an ssl flag, accept the remote server's
-                       if (!dest->GetExt(extname))
-                       {
-                               dest->Extend(extname);
-                       }
-               }
-               else if (dest && (extname == "ssl_cert"))
+               ssl_cert* cert = cmd.CertExt.get(dest);
+               if (cert)
                {
-                       if (dest->GetExt(extname))
-                               return;
-
-                       ssl_cert* cert = new ssl_cert;
-                       dest->Extend(extname, cert);
-
-                       std::stringstream s(extdata);
-                       std::string v;
-                       getline(s,v,' ');
-
-                       cert->invalid = (v.find('v') != std::string::npos);
-                       cert->trusted = (v.find('T') != std::string::npos);
-                       cert->revoked = (v.find('R') != std::string::npos);
-                       cert->unknownsigner = (v.find('s') != std::string::npos);
-                       if (v.find('E') != std::string::npos)
-                       {
-                               getline(s,cert->error,'\n');
-                       }
-                       else
-                       {
-                               getline(s,cert->fingerprint,' ');
-                               getline(s,cert->dn,' ');
-                               getline(s,cert->issuer,'\n');
-                       }
+                       ServerInstance->SendWhoisLine(source, dest, 671, "%s %s :is using a secure connection", source->nick.c_str(), dest->nick.c_str());
+                       bool operonlyfp = ServerInstance->Config->ConfValue("sslinfo")->getBool("operonly");
+                       if ((!operonlyfp || source == dest || source->IsOper()) && !cert->fingerprint.empty())
+                               ServerInstance->SendWhoisLine(source, dest, 276, "%s %s :has client certificate fingerprint %s",
+                                       source->nick.c_str(), dest->nick.c_str(), cert->fingerprint.c_str());
                }
        }
 
@@ -157,76 +172,86 @@ class ModuleSSLInfo : public Module
                return false;
        }
 
-       virtual int OnPreCommand(std::string &command, std::vector<std::string> &parameters, User *user, bool validated, const std::string &original_line)
+       ModResult OnPreCommand(std::string &command, std::vector<std::string> &parameters, LocalUser *user, bool validated, const std::string &original_line)
        {
-               irc::string pcmd = command.c_str();
-
-               if ((pcmd == "OPER") && (validated))
+               if ((command == "OPER") && (validated))
                {
-                       ConfigReader cf(ServerInstance);
-                       char TheHost[MAXBUF];
-                       char TheIP[MAXBUF];
-                       std::string LoginName;
-                       std::string Password;
-                       std::string OperType;
-                       std::string HostName;
-                       std::string HashType;
-                       std::string FingerPrint;
-                       bool SSLOnly;
-                       ssl_cert* cert = NULL;
-
-                       snprintf(TheHost,MAXBUF,"%s@%s",user->ident.c_str(),user->host.c_str());
-                       snprintf(TheIP, MAXBUF,"%s@%s",user->ident.c_str(),user->GetIPString());
-
-                       user->GetExt("ssl_cert",cert);
-
-                       for (int i = 0; i < cf.Enumerate("oper"); i++)
+                       OperIndex::iterator i = ServerInstance->Config->oper_blocks.find(parameters[0]);
+                       if (i != ServerInstance->Config->oper_blocks.end())
                        {
-                               LoginName = cf.ReadValue("oper", "name", i);
-                               Password = cf.ReadValue("oper", "password", i);
-                               OperType = cf.ReadValue("oper", "type", i);
-                               HostName = cf.ReadValue("oper", "host", i);
-                               HashType = cf.ReadValue("oper", "hash", i);
-                               FingerPrint = cf.ReadValue("oper", "fingerprint", i);
-                               SSLOnly = cf.ReadFlag("oper", "sslonly", i);
-
-                               if (FingerPrint.empty() && !SSLOnly)
-                                       continue;
-
-                               if (LoginName != parameters[0])
-                                       continue;
+                               OperInfo* ifo = i->second;
+                               ssl_cert* cert = cmd.CertExt.get(user);
 
-                               if (!OneOfMatches(TheHost, TheIP, HostName.c_str()))
-                                       continue;
-
-                               if (Password.length() && ServerInstance->PassCompare(user, Password.c_str(),parameters[1].c_str(), HashType.c_str()))
-                                       continue;
-
-                               if (SSLOnly && !user->GetExt("ssl"))
+                               if (ifo->oper_block->getBool("sslonly") && !cert)
                                {
-                                       user->WriteNumeric(491, "%s :This oper login name requires an SSL connection.", user->nick.c_str());
-                                       return 1;
+                                       user->WriteNumeric(491, "%s :This oper login requires an SSL connection.", user->nick.c_str());
+                                       user->CommandFloodPenalty += 10000;
+                                       return MOD_RES_DENY;
                                }
 
-                               /*
-                                * No cert found or the fingerprint doesn't match
-                                */
-                               if ((!cert) || (cert->GetFingerprint() != FingerPrint))
+                               std::string fingerprint;
+                               if (ifo->oper_block->readString("fingerprint", fingerprint) && (!cert || cert->GetFingerprint() != fingerprint))
                                {
-                                       user->WriteNumeric(491, "%s :This oper login name requires a matching key fingerprint.",user->nick.c_str());
-                                       ServerInstance->SNO->WriteToSnoMask('o',"'%s' cannot oper, does not match fingerprint", user->nick.c_str());
-                                       ServerInstance->Logs->Log("m_ssl_oper_cert",DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: credentials valid, but wrong fingerprint.", user->nick.c_str(), user->ident.c_str(), user->host.c_str());
-                                       return 1;
+                                       user->WriteNumeric(491, "%s :This oper login requires a matching SSL fingerprint.",user->nick.c_str());
+                                       user->CommandFloodPenalty += 10000;
+                                       return MOD_RES_DENY;
                                }
                        }
                }
 
                // Let core handle it for extra stuff
-               return 0;
+               return MOD_RES_PASSTHRU;
+       }
+
+       void OnUserConnect(LocalUser* user)
+       {
+               SocketCertificateRequest req(&user->eh, this);
+               if (!req.cert)
+                       return;
+               cmd.CertExt.set(user, req.cert);
        }
 
+       void OnPostConnect(User* user)
+       {
+               ssl_cert *cert = cmd.CertExt.get(user);
+               if (!cert || cert->fingerprint.empty())
+                       return;
+               // find an auto-oper block for this user
+               for(OperIndex::iterator i = ServerInstance->Config->oper_blocks.begin(); i != ServerInstance->Config->oper_blocks.end(); i++)
+               {
+                       OperInfo* ifo = i->second;
+                       std::string fp = ifo->oper_block->getString("fingerprint");
+                       if (fp == cert->fingerprint && ifo->oper_block->getBool("autologin"))
+                               user->Oper(ifo);
+               }
+       }
+
+       ModResult OnSetConnectClass(LocalUser* user, ConnectClass* myclass)
+       {
+               SocketCertificateRequest req(&user->eh, this);
+               bool ok = true;
+               if (myclass->config->getString("requiressl") == "trusted")
+               {
+                       ok = (req.cert && req.cert->IsCAVerified());
+               }
+               else if (myclass->config->getBool("requiressl"))
+               {
+                       ok = (req.cert != NULL);
+               }
+
+               if (!ok)
+                       return MOD_RES_DENY;
+               return MOD_RES_PASSTHRU;
+       }
 
+       void OnRequest(Request& request)
+       {
+               if (strcmp("GET_USER_CERT", request.id) == 0)
+               {
+                       UserCertificateRequest& req = static_cast<UserCertificateRequest&>(request);
+                       req.cert = cmd.CertExt.get(req.user);
+               }
+       }
 };
 
 MODULE_INIT(ModuleSSLInfo)
-