enum issl_status { ISSL_NONE, ISSL_HANDSHAKING_READ, ISSL_HANDSHAKING_WRITE, ISSL_HANDSHAKEN, ISSL_CLOSING, ISSL_CLOSED };
-bool isin(const std::string &host, int port, const std::vector<std::string> &portlist)
-{
- if (std::find(portlist.begin(), portlist.end(), "*:" + ConvToStr(port)) != portlist.end())
- return true;
-
- if (std::find(portlist.begin(), portlist.end(), ":" + ConvToStr(port)) != portlist.end())
- return true;
-
- return std::find(portlist.begin(), portlist.end(), host + ":" + ConvToStr(port)) != portlist.end();
-}
-
/** Represents an SSL user's extra data
*/
class issl_session : public classbase
class CommandStartTLS : public Command
{
- Module* Caller;
public:
- CommandStartTLS (InspIRCd* Instance, Module* mod) : Command(Instance,"STARTTLS", 0, 0, true), Caller(mod)
+ CommandStartTLS (InspIRCd* Instance, Module* mod) : Command(Instance, mod, "STARTTLS", 0, 0, true)
{
- this->source = "m_ssl_gnutls.so";
}
CmdResult Handle (const std::vector<std::string> ¶meters, User *user)
if (!user->GetIOHook())
{
user->WriteNumeric(670, "%s :STARTTLS successful, go ahead with TLS handshake", user->nick.c_str());
- user->AddIOHook(Caller);
- Caller->OnRawSocketAccept(user->GetFd(), user->GetIPString(), user->GetServerPort());
+ user->AddIOHook(creator);
+ creator->OnRawSocketAccept(user->GetFd(), NULL, NULL);
}
else
user->WriteNumeric(691, "%s :STARTTLS failure", user->nick.c_str());
class ModuleSSLGnuTLS : public Module
{
- std::vector<std::string> listenports;
+ std::set<ListenSocketBase*> listenports;
issl_session* sessions;
std::string sslports;
int dh_bits;
- int clientactive;
bool cred_alloc;
- CommandStartTLS* starttls;
+ CommandStartTLS starttls;
public:
ModuleSSLGnuTLS(InspIRCd* Me)
- : Module(Me)
+ : Module(Me), starttls(Me, this)
{
ServerInstance->Modules->PublishInterface("BufferedSocketHook", this);
gnutls_certificate_set_dh_params(x509_cred, dh_params);
Implementation eventlist[] = { I_On005Numeric, I_OnRawSocketConnect, I_OnRawSocketAccept,
I_OnRawSocketClose, I_OnRawSocketRead, I_OnRawSocketWrite, I_OnCleanup,
- I_OnBufferFlushed, I_OnRequest, I_OnUnloadModule, I_OnRehash, I_OnModuleRehash,
- I_OnPostConnect, I_OnEvent, I_OnHookUserIO };
+ I_OnBufferFlushed, I_OnRequest, I_OnRehash, I_OnModuleRehash, I_OnPostConnect,
+ I_OnEvent, I_OnHookIO };
ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
- starttls = new CommandStartTLS(ServerInstance, this);
- ServerInstance->AddCommand(starttls);
+ ServerInstance->AddCommand(&starttls);
}
virtual void OnRehash(User* user)
ConfigReader Conf(ServerInstance);
listenports.clear();
- clientactive = 0;
sslports.clear();
- for(int index = 0; index < Conf.Enumerate("bind"); index++)
+ for (size_t i = 0; i < ServerInstance->ports.size(); i++)
{
- // For each <bind> tag
- std::string x = Conf.ReadValue("bind", "type", index);
- if(((x.empty()) || (x == "clients")) && (Conf.ReadValue("bind", "ssl", index) == "gnutls"))
- {
- // Get the port we're meant to be listening on with SSL
- std::string port = Conf.ReadValue("bind", "port", index);
- std::string addr = Conf.ReadValue("bind", "address", index);
-
- if (!addr.empty())
- {
- // normalize address, important for IPv6
- int portint = 0;
- irc::sockets::sockaddrs bin;
- if (irc::sockets::aptosa(addr.c_str(), portint, &bin))
- irc::sockets::satoap(&bin, addr, portint);
- }
-
- irc::portparser portrange(port, false);
- long portno = -1;
- while ((portno = portrange.GetToken()))
- {
- clientactive++;
- try
- {
- listenports.push_back(addr + ":" + ConvToStr(portno));
+ ListenSocketBase* port = ServerInstance->ports[i];
+ std::string desc = port->GetDescription();
+ if (desc != "gnutls")
+ continue;
- for (size_t i = 0; i < ServerInstance->ports.size(); i++)
- if ((ServerInstance->ports[i]->GetPort() == portno) && (ServerInstance->ports[i]->GetIP() == addr))
- ServerInstance->ports[i]->SetDescription("ssl");
- ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Enabling SSL for port %ld", portno);
+ listenports.insert(port);
+ std::string portid = port->GetBindDesc();
- if (addr != "127.0.0.1")
- sslports.append((addr.empty() ? "*" : addr)).append(":").append(ConvToStr(portno)).append(";");
- }
- catch (ModuleException &e)
- {
- ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: FAILED to enable SSL on port %ld: %s. Maybe it's already hooked by the same port on a different IP, or you have an other SSL or similar module loaded?", portno, e.GetReason());
- }
- }
- }
+ ServerInstance->Logs->Log("m_ssl_gnutls", DEFAULT, "m_ssl_gnutls.so: Enabling SSL for port %s", portid.c_str());
+ if (port->GetIP() != "127.0.0.1")
+ sslports.append(portid).append(";");
}
if (!sslports.empty())
{
if(target_type == TYPE_USER)
{
- User* user = (User*)item;
+ User* user = static_cast<User*>(item);
if (user->GetIOHook() == this)
{
}
}
- virtual void OnUnloadModule(Module* mod, const std::string &name)
- {
- if(mod == this)
- {
- for(unsigned int i = 0; i < listenports.size(); i++)
- {
- for (size_t j = 0; j < ServerInstance->ports.size(); j++)
- if (listenports[i] == (ServerInstance->ports[j]->GetIP()+":"+ConvToStr(ServerInstance->ports[j]->GetPort())))
- ServerInstance->ports[j]->SetDescription("plaintext");
- }
- }
- }
-
virtual Version GetVersion()
{
return Version("$Id$", VF_VENDOR, API_VERSION);
output.append(" STARTTLS");
}
- virtual void OnHookUserIO(User* user, const std::string &targetip)
+ virtual void OnHookIO(EventHandler* user, ListenSocketBase* lsb)
{
- if (!user->GetIOHook() && isin(targetip,user->GetServerPort(),listenports))
+ if (!user->GetIOHook() && listenports.find(lsb) != listenports.end())
{
/* Hook the user with our module */
user->AddIOHook(this);
virtual const char* OnRequest(Request* request)
{
- ISHRequest* ISR = (ISHRequest*)request;
+ ISHRequest* ISR = static_cast<ISHRequest*>(request);
if (strcmp("IS_NAME", request->GetId()) == 0)
{
return "gnutls";
const char* ret = "OK";
try
{
- ret = ISR->Sock->AddIOHook((Module*)this) ? "OK" : NULL;
+ ret = ISR->Sock->AddIOHook(this) ? "OK" : NULL;
}
catch (ModuleException &e)
{
issl_session* session = &sessions[ISR->Sock->GetFd()];
if (session->sess)
{
- if ((Extensible*)ServerInstance->SE->GetRef(ISR->Sock->GetFd()) == (Extensible*)(ISR->Sock))
+ if (static_cast<Extensible*>(ServerInstance->SE->GetRef(ISR->Sock->GetFd())) == static_cast<Extensible*>(ISR->Sock))
{
- VerifyCertificate(session, (BufferedSocket*)ISR->Sock);
+ VerifyCertificate(session, ISR->Sock);
return "OK";
}
}
}
- virtual void OnRawSocketAccept(int fd, const std::string &ip, int localport)
+ virtual void OnRawSocketAccept(int fd, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server)
{
/* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
gnutls_credentials_set(session->sess, GNUTLS_CRD_CERTIFICATE, x509_cred);
gnutls_dh_set_prime_bits(session->sess, dh_bits);
- gnutls_transport_set_ptr(session->sess, (gnutls_transport_ptr_t) fd); // Give gnutls the fd for the socket.
+ gnutls_transport_set_ptr(session->sess, reinterpret_cast<gnutls_transport_ptr_t>(fd)); // Give gnutls the fd for the socket.
gnutls_certificate_server_set_request(session->sess, GNUTLS_CERT_REQUEST); // Request client certificate if any.
gnutls_set_default_priority(session->sess); // Avoid calling all the priority functions, defaults are adequate.
gnutls_credentials_set(session->sess, GNUTLS_CRD_CERTIFICATE, x509_cred);
gnutls_dh_set_prime_bits(session->sess, dh_bits);
- gnutls_transport_set_ptr(session->sess, (gnutls_transport_ptr_t) fd); // Give gnutls the fd for the socket.
+ gnutls_transport_set_ptr(session->sess, reinterpret_cast<gnutls_transport_ptr_t>(fd)); // Give gnutls the fd for the socket.
Handshake(session, fd);
}
if (session->status == ISSL_HANDSHAKEN)
{
- int ret = gnutls_record_recv(session->sess, buffer, count);
-
- if (ret > 0)
+ unsigned int len = 0;
+ while (len < count)
{
- readresult = ret;
+ int ret = gnutls_record_recv(session->sess, buffer + len, count - len);
+ if (ret > 0)
+ {
+ len += ret;
+ }
+ else if (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED)
+ {
+ break;
+ }
+ else
+ {
+ if (ret != 0)
+ ServerInstance->Logs->Log("m_ssl_gnutls", DEFAULT,
+ "m_ssl_gnutls.so: Error while reading on fd %d: %s",
+ fd, gnutls_strerror(ret));
+
+ // if ret == 0, client closed connection.
+ readresult = 0;
+ CloseSession(session);
+ return 1;
+ }
}
- else if (ret == 0)
+ readresult = len;
+ if (len)
{
- // Client closed connection.
- readresult = 0;
- CloseSession(session);
return 1;
}
- else if (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED)
+ else
{
errno = EAGAIN;
return -1;
}
- else
- {
- ServerInstance->Logs->Log("m_ssl_gnutls", DEFAULT,
- "m_ssl_gnutls.so: Error while reading on fd %d: %s",
- fd, gnutls_strerror(ret));
- readresult = 0;
- CloseSession(session);
- }
}
- else if(session->status == ISSL_CLOSING)
+ else if (session->status == ISSL_CLOSING)
readresult = 0;
return 1;
}
}
- MakePollWrite(fd);
+ if (!session->outbuf.empty())
+ MakePollWrite(fd);
/* Who's smart idea was it to return 1 when we havent written anything?
* This fucks the buffer up in BufferedSocket :p
EventHandler *extendme = ServerInstance->SE->GetRef(fd);
if (extendme)
{
- if (!extendme->GetExt("ssl"))
- extendme->Extend("ssl", "ON");
+ extendme->Extend("ssl");
}
// Change the seesion state
user->WriteServ("NOTICE %s :*** You are connected using SSL cipher \"%s\"", user->nick.c_str(), cipher.c_str());
}
- ServerInstance->PI->SendMetaData(user, TYPE_USER, "ssl", "ON");
+ ServerInstance->PI->SendMetaData(user, "ssl", "ON");
if (certdata)
- ServerInstance->PI->SendMetaData(user, TYPE_USER, "ssl_cert", certdata->GetMetaLine().c_str());
+ ServerInstance->PI->SendMetaData(user, "ssl_cert", certdata->GetMetaLine().c_str());
}
}