]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_sslmodes.cpp
Some more text fixes and improvements (#1618).
[user/henk/code/inspircd.git] / src / modules / m_sslmodes.cpp
index 790ed5b0363416faabe4446183daae2bd9504512..67128e6bd59596076437feb3288f0e09034c52ae 100644 (file)
@@ -1,6 +1,7 @@
 /*
  * InspIRCd -- Internet Relay Chat Daemon
  *
+ *   Copyright (C) 2013 Shawn Smith <shawn@inspircd.org>
  *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
  *   Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
  *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
 
 
 #include "inspircd.h"
+#include "modules/ctctags.h"
 #include "modules/ssl.h"
 
+enum
+{
+       // From UnrealIRCd.
+       ERR_SECUREONLYCHAN = 489,
+       ERR_ALLMUSTSSL = 490
+};
+
 /** Handle channel mode +z
  */
 class SSLMode : public ModeHandler
 {
- public:
-       UserCertificateAPI API;
+ private:
+       UserCertificateAPI& API;
 
-       SSLMode(Module* Creator)
+ public:
+       SSLMode(Module* Creator, UserCertificateAPI& api)
                : ModeHandler(Creator, "sslonly", 'z', PARAM_NONE, MODETYPE_CHANNEL)
-               , API(Creator)
+               , API(api)
        {
        }
 
-       ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string &parameter, bool adding)
+       ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string& parameter, bool adding) CXX11_OVERRIDE
        {
                if (adding)
                {
@@ -46,15 +56,18 @@ class SSLMode : public ModeHandler
                                if (IS_LOCAL(source))
                                {
                                        if (!API)
+                                       {
+                                               source->WriteNumeric(ERR_ALLMUSTSSL, channel->name, "Unable to determine whether all members of the channel are connected via SSL");
                                                return MODEACTION_DENY;
+                                       }
 
-                                       const UserMembList* userlist = channel->GetUsers();
-                                       for(UserMembCIter i = userlist->begin(); i != userlist->end(); i++)
+                                       const Channel::MemberMap& userlist = channel->GetUsers();
+                                       for (Channel::MemberMap::const_iterator i = userlist.begin(); i != userlist.end(); ++i)
                                        {
                                                ssl_cert* cert = API->GetCertificate(i->first);
-                                               if (!cert && !ServerInstance->ULine(i->first->server))
+                                               if (!cert && !i->first->server->IsULine())
                                                {
-                                                       source->WriteNumeric(ERR_ALLMUSTSSL, "%s %s :all members of the channel must be connected via SSL", source->nick.c_str(), channel->name.c_str());
+                                                       source->WriteNumeric(ERR_ALLMUSTSSL, channel->name, "all members of the channel must be connected via SSL");
                                                        return MODEACTION_DENY;
                                                }
                                        }
@@ -80,14 +93,63 @@ class SSLMode : public ModeHandler
        }
 };
 
-class ModuleSSLModes : public Module
+/** Handle user mode +z
+*/
+class SSLModeUser : public ModeHandler
 {
+ private:
+       UserCertificateAPI& API;
+
+ public:
+       SSLModeUser(Module* Creator, UserCertificateAPI& api)
+               : ModeHandler(Creator, "sslqueries", 'z', PARAM_NONE, MODETYPE_USER)
+               , API(api)
+       {
+               if (!ServerInstance->Config->ConfValue("sslmodes")->getBool("enableumode"))
+                       DisableAutoRegister();
+       }
+
+       ModeAction OnModeChange(User* user, User* dest, Channel* channel, std::string& parameter, bool adding) CXX11_OVERRIDE
+       {
+               if (adding)
+               {
+                       if (!dest->IsModeSet(this))
+                       {
+                               if (!API || !API->GetCertificate(user))
+                                       return MODEACTION_DENY;
+
+                               dest->SetMode(this, true);
+                               return MODEACTION_ALLOW;
+                       }
+               }
+               else
+               {
+                       if (dest->IsModeSet(this))
+                       {
+                               dest->SetMode(this, false);
+                               return MODEACTION_ALLOW;
+                       }
+               }
+
+               return MODEACTION_DENY;
+       }
+};
 
+class ModuleSSLModes
+       : public Module
+       , public CTCTags::EventListener
+{
+ private:
+       UserCertificateAPI api;
        SSLMode sslm;
+       SSLModeUser sslquery;
 
  public:
        ModuleSSLModes()
-               : sslm(this)
+               : CTCTags::EventListener(this)
+               , api(this)
+               , sslm(this, api)
+               , sslquery(this, api)
        {
        }
 
@@ -95,19 +157,49 @@ class ModuleSSLModes : public Module
        {
                if(chan && chan->IsModeSet(sslm))
                {
-                       if (!sslm.API)
+                       if (!api)
+                       {
+                               user->WriteNumeric(ERR_SECUREONLYCHAN, cname, "Cannot join channel; unable to determine if you are an SSL user (+z is set)");
                                return MOD_RES_DENY;
+                       }
 
-                       ssl_cert* cert = sslm.API->GetCertificate(user);
-                       if (cert)
+                       if (!api->GetCertificate(user))
                        {
-                               // Let them in
-                               return MOD_RES_PASSTHRU;
+                               user->WriteNumeric(ERR_SECUREONLYCHAN, cname, "Cannot join channel; SSL users only (+z is set)");
+                               return MOD_RES_DENY;
                        }
-                       else
+               }
+
+               return MOD_RES_PASSTHRU;
+       }
+
+       ModResult HandleMessage(User* user, const MessageTarget& msgtarget)
+       {
+               if (msgtarget.type != MessageTarget::TYPE_USER)
+                       return MOD_RES_PASSTHRU;
+
+               User* target = msgtarget.Get<User>();
+
+               /* If one or more of the parties involved is a ulined service, we wont stop it. */
+               if (user->server->IsULine() || target->server->IsULine())
+                       return MOD_RES_PASSTHRU;
+
+               /* If the target is +z */
+               if (target->IsModeSet(sslquery))
+               {
+                       if (!api || !api->GetCertificate(user))
                        {
-                               // Deny
-                               user->WriteServ( "489 %s %s :Cannot join channel; SSL users only (+z)", user->nick.c_str(), cname.c_str());
+                               /* The sending user is not on an SSL connection */
+                               user->WriteNumeric(ERR_CANTSENDTOUSER, target->nick, "You are not permitted to send private messages to this user (+z is set)");
+                               return MOD_RES_DENY;
+                       }
+               }
+               /* If the user is +z */
+               else if (user->IsModeSet(sslquery))
+               {
+                       if (!api || !api->GetCertificate(target))
+                       {
+                               user->WriteNumeric(ERR_CANTSENDTOUSER, target->nick, "You must remove user mode 'z' before you are able to send private messages to a non-SSL user.");
                                return MOD_RES_DENY;
                        }
                }
@@ -115,15 +207,22 @@ class ModuleSSLModes : public Module
                return MOD_RES_PASSTHRU;
        }
 
+       ModResult OnUserPreMessage(User* user, const MessageTarget& target, MessageDetails& details) CXX11_OVERRIDE
+       {
+               return HandleMessage(user, target);
+       }
+
+       ModResult OnUserPreTagMessage(User* user, const MessageTarget& target, CTCTags::TagMessageDetails& details) CXX11_OVERRIDE
+       {
+               return HandleMessage(user, target);
+       }
+
        ModResult OnCheckBan(User *user, Channel *c, const std::string& mask) CXX11_OVERRIDE
        {
                if ((mask.length() > 2) && (mask[0] == 'z') && (mask[1] == ':'))
                {
-                       if (!sslm.API)
-                               return MOD_RES_DENY;
-
-                       ssl_cert* cert = sslm.API->GetCertificate(user);
-                       if (cert && InspIRCd::Match(cert->GetFingerprint(), mask.substr(2)))
+                       const std::string fp = api ? api->GetFingerprint(user) : "";
+                       if (!fp.empty() && InspIRCd::Match(fp, mask.substr(2)))
                                return MOD_RES_DENY;
                }
                return MOD_RES_PASSTHRU;
@@ -136,7 +235,7 @@ class ModuleSSLModes : public Module
 
        Version GetVersion() CXX11_OVERRIDE
        {
-               return Version("Provides channel mode +z to allow for Secure/SSL only channels", VF_VENDOR);
+               return Version("Provides user and channel mode +z to allow for SSL-only channels, queries and notices", VF_VENDOR);
        }
 };