#ifdef WINDOWS
#pragma comment(lib, "libgnutls-13.lib")
-#undef MAX_DESCRIPTORS
-#define MAX_DESCRIPTORS 10000
#endif
/* $ModDesc: Provides SSL support for clients */
enum issl_status { ISSL_NONE, ISSL_HANDSHAKING_READ, ISSL_HANDSHAKING_WRITE, ISSL_HANDSHAKEN, ISSL_CLOSING, ISSL_CLOSED };
-bool isin(const std::string &hostandport, const std::vector<std::string> &portlist)
+bool isin(const std::string &host, int port, const std::vector<std::string> &portlist)
{
- return std::find(portlist.begin(), portlist.end(), hostandport) != portlist.end();
+ 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
this->source = "m_ssl_gnutls.so";
}
- CmdResult Handle (const char* const* parameters, int pcnt, User *user)
+ CmdResult Handle (const std::vector<std::string> ¶meters, User *user)
{
- if (!user->GetExt("tls"))
- return CMD_FAILURE;
-
- user->io = Caller;
- Caller->OnRawSocketAccept(user->GetFd(), user->GetIPString(), user->GetPort());
+ if (user->registered == REG_ALL)
+ {
+ ServerInstance->Users->QuitUser(user, "STARTTLS not allowed after client registration");
+ }
+ else
+ {
+ if (!user->io)
+ {
+ user->WriteNumeric(670, "%s :STARTTLS successful, go ahead with TLS handshake", user->nick.c_str());
+ user->io = Caller;
+ Caller->OnRawSocketAccept(user->GetFd(), user->GetIPString(), user->GetPort());
+ }
+ else
+ user->WriteNumeric(671, "%s :STARTTLS failure", user->nick.c_str());
+ }
return CMD_FAILURE;
}
std::vector<std::string> listenports;
int inbufsize;
- issl_session sessions[MAX_DESCRIPTORS];
+ issl_session* sessions;
gnutls_certificate_credentials x509_cred;
gnutls_dh_params dh_params;
int dh_bits;
int clientactive;
+ bool cred_alloc;
CommandStartTLS* starttls;
{
ServerInstance->Modules->PublishInterface("BufferedSocketHook", this);
+ sessions = new issl_session[ServerInstance->SE->GetMaxFds()];
+
// Not rehashable...because I cba to reduce all the sizes of existing buffers.
inbufsize = ServerInstance->Config->NetBufferSize;
gnutls_global_init(); // This must be called once in the program
- if(gnutls_certificate_allocate_credentials(&x509_cred) != 0)
- ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Failed to allocate certificate credentials");
-
- // Guessing return meaning
- if(gnutls_dh_params_init(&dh_params) < 0)
- ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Failed to initialise DH parameters");
-
+ cred_alloc = false;
// Needs the flag as it ignores a plain /rehash
OnRehash(NULL,"ssl");
for (size_t i = 0; i < ServerInstance->Config->ports.size(); i++)
if ((ServerInstance->Config->ports[i]->GetPort() == portno) && (ServerInstance->Config->ports[i]->GetIP() == addr))
ServerInstance->Config->ports[i]->SetDescription("ssl");
- ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Enabling SSL for port %d", portno);
+ ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Enabling SSL for port %ld", portno);
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 %d: %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: 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());
}
}
}
dh_bits = 1024;
// Prepend relative paths with the path to the config directory.
- if(cafile[0] != '/')
+ if ((cafile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(cafile)))
cafile = confdir + cafile;
- if(crlfile[0] != '/')
+ if ((crlfile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(crlfile)))
crlfile = confdir + crlfile;
- if(certfile[0] != '/')
+ if ((certfile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(certfile)))
certfile = confdir + certfile;
- if(keyfile[0] != '/')
+ if ((keyfile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(keyfile)))
keyfile = confdir + keyfile;
int ret;
-
+
+ if (cred_alloc)
+ {
+ // Deallocate the old credentials
+ gnutls_dh_params_deinit(dh_params);
+ gnutls_certificate_free_credentials(x509_cred);
+ }
+ else
+ cred_alloc = true;
+
+ if((ret = gnutls_certificate_allocate_credentials(&x509_cred)) < 0)
+ ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Failed to allocate certificate credentials: %s", gnutls_strerror(ret));
+
+ if((ret = gnutls_dh_params_init(&dh_params)) < 0)
+ ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Failed to initialise DH parameters: %s", gnutls_strerror(ret));
+
if((ret =gnutls_certificate_set_x509_trust_file(x509_cred, cafile.c_str(), GNUTLS_X509_FMT_PEM)) < 0)
ServerInstance->Logs->Log("m_ssl_gnutls",DEFAULT, "m_ssl_gnutls.so: Failed to set X.509 trust file '%s': %s", cafile.c_str(), gnutls_strerror(ret));
gnutls_dh_params_deinit(dh_params);
gnutls_certificate_free_credentials(x509_cred);
gnutls_global_deinit();
+ ServerInstance->Modules->UnpublishInterface("BufferedSocketHook", this);
+ delete[] sessions;
}
virtual void OnCleanup(int target_type, void* item)
{
User* user = (User*)item;
- if(user->io)
+ if (user->io == this)
{
// User is using SSL, they're a local user, and they're using one of *our* SSL ports.
// Potentially there could be multiple SSL modules loaded at once on different ports.
- User::QuitUser(ServerInstance, user, "SSL module unloading");
+ ServerInstance->Users->QuitUser(user, "SSL module unloading");
+ user->io = NULL;
}
if (user->GetExt("ssl_cert", dummy))
{
delete tofree;
user->Shrink("ssl_cert");
}
-
- user->io = NULL;
}
}
virtual Version GetVersion()
{
- return Version(1, 2, 0, 0, VF_VENDOR, API_VERSION);
+ return Version("$Id$", VF_VENDOR, API_VERSION);
}
virtual void OnHookUserIO(User* user, const std::string &targetip)
{
- if (!user->io && isin(targetip+":"+ConvToStr(user->GetPort()),listenports))
+ if (!user->io && isin(targetip,user->GetPort(),listenports))
{
/* Hook the user with our module */
user->io = this;
virtual void OnRawSocketAccept(int fd, const std::string &ip, int localport)
{
/* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
- if ((fd < 0) || (fd > MAX_DESCRIPTORS))
+ if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
return;
issl_session* session = &sessions[fd];
+ /* For STARTTLS: Don't try and init a session on a socket that already has a session */
+ if (session->sess)
+ return;
+
session->fd = fd;
session->inbuf = new char[inbufsize];
session->inbufoffset = 0;
virtual void OnRawSocketConnect(int fd)
{
/* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
- if ((fd < 0) || (fd > MAX_DESCRIPTORS))
+ if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
return;
issl_session* session = &sessions[fd];
virtual void OnRawSocketClose(int fd)
{
/* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
- if ((fd < 0) || (fd > MAX_DESCRIPTORS))
+ if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds()))
return;
CloseSession(&sessions[fd]);
virtual int OnRawSocketRead(int fd, char* buffer, unsigned int count, int &readresult)
{
/* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
- if ((fd < 0) || (fd > MAX_DESCRIPTORS))
+ if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
return 0;
issl_session* session = &sessions[fd];
{
memcpy(buffer, session->inbuf, count);
// Move the stuff left in inbuf to the beginning of it
- memcpy(session->inbuf, session->inbuf + count, (length - count));
+ memmove(session->inbuf, session->inbuf + count, (length - count));
// Now we need to set session->inbufoffset to the amount of data still waiting to be handed to insp.
session->inbufoffset = length - count;
// Insp uses readresult as the count of how much data there is in buffer, so:
virtual int OnRawSocketWrite(int fd, const char* buffer, int count)
{
/* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
- if ((fd < 0) || (fd > MAX_DESCRIPTORS))
+ if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
return 0;
issl_session* session = &sessions[fd];
// Bugfix, only send this numeric for *our* SSL users
if (dest->GetExt("ssl", dummy) || ((IS_LOCAL(dest) && (dest->io == this))))
{
- ServerInstance->SendWhoisLine(source, dest, 320, "%s %s :is using a secure connection", source->nick, dest->nick);
+ ServerInstance->SendWhoisLine(source, dest, 320, "%s %s :is using a secure connection", source->nick.c_str(), dest->nick.c_str());
}
}
if ((user->GetExt("ssl", dummy)) && (IS_LOCAL(user)))
{
// Tell whatever protocol module we're using that we need to inform other servers of this metadata NOW.
- std::deque<std::string>* metadata = new std::deque<std::string>;
- metadata->push_back(user->nick);
- metadata->push_back("ssl"); // The metadata id
- metadata->push_back("ON"); // The value to send
- Event* event = new Event((char*)metadata,(Module*)this,"send_metadata");
- event->Send(ServerInstance); // Trigger the event. We don't care what module picks it up.
- delete event;
- delete metadata;
+ ServerInstance->PI->SendMetaData(user, TYPE_USER, "SSL", "on");
VerifyCertificate(&sessions[user->GetFd()],user);
if (sessions[user->GetFd()].sess)
std::string cipher = gnutls_kx_get_name(gnutls_kx_get(sessions[user->GetFd()].sess));
cipher.append("-").append(gnutls_cipher_get_name(gnutls_cipher_get(sessions[user->GetFd()].sess))).append("-");
cipher.append(gnutls_mac_get_name(gnutls_mac_get(sessions[user->GetFd()].sess)));
- user->WriteServ("NOTICE %s :*** You are connected using SSL cipher \"%s\"", user->nick, cipher.c_str());
+ user->WriteServ("NOTICE %s :*** You are connected using SSL cipher \"%s\"", user->nick.c_str(), cipher.c_str());
}
}
}
void OnEvent(Event* ev)
{
GenericCapHandler(ev, "tls", "tls");
+ if (ev->GetEventID() == "cap_req")
+ {
+ /* GenericCapHandler() Extends("tls") a user if it does
+ * CAP REQ tls. Check if this was done.
+ */
+ CapData *data = (CapData *) ev->GetData();
+ if (data->user->Shrink("tls"))
+ {
+ /* Not in our spec?!?! */
+ data->user->io = this;
+ OnRawSocketAccept(data->user->GetFd(), data->user->GetIPString(),
+ data->user->GetPort());
+ }
+ }
}
+ void Prioritize()
+ {
+ Module* server = ServerInstance->Modules->Find("m_spanningtree.so");
+ ServerInstance->Modules->SetPriority(this, I_OnPostConnect, PRIO_AFTER, &server);
+ }
};
MODULE_INIT(ModuleSSLGnuTLS)
projects / user / henk / code / inspircd.git / blobdiff