/*
* InspIRCd -- Internet Relay Chat Daemon
*
- * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
- * Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2020 Matt Schatz <genius3000@g3k.solutions>
+ * Copyright (C) 2013, 2017-2020 Sadie Powell <sadie@witchery.services>
+ * Copyright (C) 2013 Shawn Smith <ShawnSmith0828@gmail.com>
+ * Copyright (C) 2012-2014 Attila Molnar <attilamolnar@hush.com>
+ * Copyright (C) 2012 Robby <robby@chatbelgie.be>
+ * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
+ * Copyright (C) 2008 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>
+ * Copyright (C) 2006-2007, 2010 Craig Edwards <brain@inspircd.org>
*
* 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
#include "inspircd.h"
+#include "modules/ctctags.h"
#include "modules/ssl.h"
+enum
+{
+ // From UnrealIRCd.
+ ERR_SECUREONLYCHAN = 489,
+
+ // InspIRCd-specific.
+ 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 ¶meter, bool adding)
+ ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string& parameter, bool adding) CXX11_OVERRIDE
{
if (adding)
{
if (IS_LOCAL(source))
{
if (!API)
+ {
+ source->WriteNumeric(ERR_ALLMUSTSSL, channel->name, "Unable to determine whether all members of the channel are connected via TLS (SSL)");
return MODEACTION_DENY;
+ }
+ unsigned long nonssl = 0;
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 && !i->first->server->IsULine())
- {
- source->WriteNumeric(ERR_ALLMUSTSSL, "%s :all members of the channel must be connected via SSL", channel->name.c_str());
- return MODEACTION_DENY;
- }
+ nonssl++;
+ }
+
+ if (nonssl)
+ {
+ source->WriteNumeric(ERR_ALLMUSTSSL, channel->name, InspIRCd::Format("All members of the channel must be connected via TLS (SSL) (%lu/%lu are non-TLS (SSL))",
+ nonssl, static_cast<unsigned long>(userlist.size())));
+ return MODEACTION_DENY;
}
}
channel->SetMode(this, true);
}
};
-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 == dest->IsModeSet(this))
+ return MODEACTION_DENY;
+
+ if (adding && IS_LOCAL(user) && (!API || !API->GetCertificate(user)))
+ return MODEACTION_DENY;
+
+ dest->SetMode(this, adding);
+ return MODEACTION_ALLOW;
+ }
+};
+
+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)
{
}
{
if(chan && chan->IsModeSet(sslm))
{
- if (!sslm.API)
+ if (!api)
+ {
+ user->WriteNumeric(ERR_SECUREONLYCHAN, cname, "Cannot join channel; unable to determine if you are a TLS (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; TLS (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 won't 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->WriteNumeric(489, "%s :Cannot join channel; SSL users only (+z)", cname.c_str());
+ /* The sending user is not on an SSL connection */
+ user->WriteNumeric(Numerics::CannotSendTo(target, "messages", &sslquery));
+ return MOD_RES_DENY;
+ }
+ }
+ /* If the user is +z */
+ else if (user->IsModeSet(sslquery))
+ {
+ if (!api || !api->GetCertificate(target))
+ {
+ user->WriteNumeric(Numerics::CannotSendTo(target, "messages", &sslquery, true));
return MOD_RES_DENY;
}
}
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;
Version GetVersion() CXX11_OVERRIDE
{
- return Version("Provides channel mode +z to allow for Secure/SSL only channels", VF_VENDOR);
+ return Version("Adds channel mode z (sslonly) which prevents users who are not connecting using TLS (SSL) from joining the channel and user mode z (sslqueries) to prevent messages from non-TLS (SSL) users.", VF_VENDOR);
}
};
projects / user / henk / code / inspircd.git / blobdiff