#include "modules/account.h"
#include "modules/sasl.h"
#include "modules/ssl.h"
+#include "modules/spanningtree.h"
+
+static std::string sasl_target;
+
+class ServerTracker : public SpanningTreeEventListener
+{
+ bool online;
+
+ void Update(const Server* server, bool linked)
+ {
+ if (sasl_target == "*")
+ return;
+
+ if (InspIRCd::Match(server->GetName(), sasl_target))
+ {
+ ServerInstance->Logs->Log(MODNAME, LOG_VERBOSE, "SASL target server \"%s\" %s", sasl_target.c_str(), (linked ? "came online" : "went offline"));
+ online = linked;
+ }
+ }
+
+ void OnServerLink(const Server* server) CXX11_OVERRIDE
+ {
+ Update(server, true);
+ }
+
+ void OnServerSplit(const Server* server) CXX11_OVERRIDE
+ {
+ Update(server, false);
+ }
+
+ public:
+ ServerTracker(Module* mod)
+ : SpanningTreeEventListener(mod)
+ {
+ Reset();
+ }
+
+ void Reset()
+ {
+ if (sasl_target == "*")
+ {
+ online = true;
+ return;
+ }
+
+ online = false;
+
+ ProtocolInterface::ServerList servers;
+ ServerInstance->PI->GetServerList(servers);
+ for (ProtocolInterface::ServerList::const_iterator i = servers.begin(); i != servers.end(); ++i)
+ {
+ const ProtocolInterface::ServerInfo& server = *i;
+ if (InspIRCd::Match(server.servername, sasl_target))
+ {
+ online = true;
+ break;
+ }
+ }
+ }
+
+ bool IsOnline() const { return online; }
+};
+
+class SASLCap : public Cap::Capability
+{
+ std::string mechlist;
+ const ServerTracker& servertracker;
+
+ bool OnRequest(LocalUser* user, bool adding) CXX11_OVERRIDE
+ {
+ // Requesting this cap is allowed anytime
+ if (adding)
+ return true;
+
+ // But removing it can only be done when unregistered
+ return (user->registered != REG_ALL);
+ }
+
+ bool OnList(LocalUser* user) CXX11_OVERRIDE
+ {
+ return servertracker.IsOnline();
+ }
+
+ const std::string* GetValue(LocalUser* user) const CXX11_OVERRIDE
+ {
+ return &mechlist;
+ }
+
+ public:
+ SASLCap(Module* mod, const ServerTracker& tracker)
+ : Cap::Capability(mod, "sasl")
+ , servertracker(tracker)
+ {
+ }
+
+ void SetMechlist(const std::string& newmechlist)
+ {
+ if (mechlist == newmechlist)
+ return;
+
+ mechlist = newmechlist;
+ NotifyValueChange();
+ }
+};
enum SaslState { SASL_INIT, SASL_COMM, SASL_DONE };
enum SaslResult { SASL_OK, SASL_FAIL, SASL_ABORT };
-static std::string sasl_target = "*";
static Events::ModuleEventProvider* saslevprov;
static void SendSASL(const parameterlist& params)
this->result = this->GetSaslResult(msg[3]);
}
else if (msg[2] == "M")
- this->user->WriteNumeric(908, "%s %s :are available SASL mechanisms", this->user->nick.c_str(), msg[3].c_str());
+ this->user->WriteNumeric(908, msg[3], "are available SASL mechanisms");
else
ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Services sent an unknown SASL message \"%s\" \"%s\"", msg[2].c_str(), msg[3].c_str());
SendSASL(params);
- if (parameters[0][0] == '*')
+ if (parameters[0].c_str()[0] == '*')
{
this->Abort();
return false;
switch (this->result)
{
case SASL_OK:
- this->user->WriteNumeric(903, ":SASL authentication successful");
+ this->user->WriteNumeric(903, "SASL authentication successful");
break;
case SASL_ABORT:
- this->user->WriteNumeric(906, ":SASL authentication aborted");
+ this->user->WriteNumeric(906, "SASL authentication aborted");
break;
case SASL_FAIL:
- this->user->WriteNumeric(904, ":SASL authentication failed");
+ this->user->WriteNumeric(904, "SASL authentication failed");
break;
default:
break;
{
public:
SimpleExtItem<SaslAuthenticator>& authExt;
- GenericCap& cap;
- CommandAuthenticate(Module* Creator, SimpleExtItem<SaslAuthenticator>& ext, GenericCap& Cap)
+ Cap::Capability& cap;
+ CommandAuthenticate(Module* Creator, SimpleExtItem<SaslAuthenticator>& ext, Cap::Capability& Cap)
: Command(Creator, "AUTHENTICATE", 1), authExt(ext), cap(Cap)
{
works_before_reg = true;
CmdResult Handle (const std::vector<std::string>& parameters, User *user)
{
- /* Only allow AUTHENTICATE on unregistered clients */
- if (user->registered != REG_ALL)
{
- if (!cap.ext.get(user))
+ if (!cap.get(user))
return CMD_FAILURE;
SaslAuthenticator *sasl = authExt.get(user);
CmdResult Handle(const std::vector<std::string>& parameters, User *user)
{
- User* target = ServerInstance->FindNick(parameters[1]);
- if ((!target) || (IS_SERVER(target)))
+ User* target = ServerInstance->FindUUID(parameters[1]);
+ if (!target)
{
ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "User not found in sasl ENCAP event: %s", parameters[1].c_str());
return CMD_FAILURE;
class ModuleSASL : public Module
{
SimpleExtItem<SaslAuthenticator> authExt;
- GenericCap cap;
+ ServerTracker servertracker;
+ SASLCap cap;
CommandAuthenticate auth;
CommandSASL sasl;
Events::ModuleEventProvider sasleventprov;
public:
ModuleSASL()
: authExt("sasl_auth", ExtensionItem::EXT_USER, this)
- , cap(this, "sasl")
+ , servertracker(this)
+ , cap(this, servertracker)
, auth(this, authExt, cap)
, sasl(this, authExt)
, sasleventprov(this, "event/sasl")
void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
sasl_target = ServerInstance->Config->ConfValue("sasl")->getString("target", "*");
+ servertracker.Reset();
}
ModResult OnUserRegister(LocalUser *user) CXX11_OVERRIDE
return MOD_RES_PASSTHRU;
}
+ void OnDecodeMetaData(Extensible* target, const std::string& extname, const std::string& extdata) CXX11_OVERRIDE
+ {
+ if ((target == NULL) && (extname == "saslmechlist"))
+ cap.SetMechlist(extdata);
+ }
+
Version GetVersion() CXX11_OVERRIDE
{
return Version("Provides support for IRC Authentication Layer (aka: SASL) via AUTHENTICATE.", VF_VENDOR);