/* $CompileFlags: pkgconfversion("openssl","0.9.7") pkgconfincludes("openssl","/openssl/ssl.h","") */
/* $LinkerFlags: rpath("pkg-config --libs openssl") pkgconflibs("openssl","/libssl.so","-lssl -lcrypto -ldl") */
/* $ModDep: transport.h */
+/* $NoPedantic */
enum issl_status { ISSL_NONE, ISSL_HANDSHAKING, ISSL_OPEN };
enum issl_io_status { ISSL_WRITE, ISSL_READ };
issl_io_status wstat;
unsigned int inbufoffset;
- char* inbuf; // Buffer OpenSSL reads into.
+ char* inbuf; // Buffer OpenSSL reads into.
std::string outbuf; // Buffer for outgoing data that OpenSSL will not take.
int fd;
bool outbound;
class ModuleSSLOpenSSL : public Module
{
-
- ConfigReader* Conf;
-
std::vector<int> listenports;
int inbufsize;
InspIRCd* PublicInstance;
ModuleSSLOpenSSL(InspIRCd* Me)
- : Module(Me), PublicInstance(Me)
+ : Module(Me), PublicInstance(Me)
{
- ServerInstance->PublishInterface("InspSocketHook", this);
+ ServerInstance->Modules->PublishInterface("BufferedSocketHook", this);
// Not rehashable...because I cba to reduce all the sizes of existing buffers.
inbufsize = ServerInstance->Config->NetBufferSize;
OnRehash(NULL,"ssl");
}
- virtual void OnRehash(userrec* user, const std::string ¶m)
+ virtual void OnRehash(User* user, const std::string ¶m)
{
if (param != "ssl")
return;
- Conf = new ConfigReader(ServerInstance);
+ ConfigReader Conf(ServerInstance);
for (unsigned int i = 0; i < listenports.size(); i++)
{
clientactive = 0;
sslports.clear();
- for (int i = 0; i < Conf->Enumerate("bind"); i++)
+ for (int i = 0; i < Conf.Enumerate("bind"); i++)
{
// For each <bind> tag
- std::string x = Conf->ReadValue("bind", "type", i);
- if (((x.empty()) || (x == "clients")) && (Conf->ReadValue("bind", "ssl", i) == "openssl"))
+ std::string x = Conf.ReadValue("bind", "type", i);
+ if (((x.empty()) || (x == "clients")) && (Conf.ReadValue("bind", "ssl", i) == "openssl"))
{
// Get the port we're meant to be listening on with SSL
- std::string port = Conf->ReadValue("bind", "port", i);
+ std::string port = Conf.ReadValue("bind", "port", i);
irc::portparser portrange(port, false);
long portno = -1;
while ((portno = portrange.GetToken()))
// +1 so we the path ends with a /
confdir = confdir.substr(0, confdir.find_last_of('/') + 1);
- cafile = Conf->ReadValue("openssl", "cafile", 0);
- certfile = Conf->ReadValue("openssl", "certfile", 0);
- keyfile = Conf->ReadValue("openssl", "keyfile", 0);
- dhfile = Conf->ReadValue("openssl", "dhfile", 0);
+ cafile = Conf.ReadValue("openssl", "cafile", 0);
+ certfile = Conf.ReadValue("openssl", "certfile", 0);
+ keyfile = Conf.ReadValue("openssl", "keyfile", 0);
+ dhfile = Conf.ReadValue("openssl", "dhfile", 0);
// Set all the default values needed.
if (cafile.empty())
}
fclose(dhpfile);
-
- DELETE(Conf);
}
virtual void On005Numeric(std::string &output)
{
if (target_type == TYPE_USER)
{
- userrec* user = (userrec*)item;
+ User* user = (User*)item;
if (user->GetExt("ssl", dummy) && IS_LOCAL(user) && isin(user->GetPort(), listenports))
{
// 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.
- ServerInstance->GlobalCulls.AddItem(user, "SSL module unloading");
+ User::QuitUser(ServerInstance, user, "SSL module unloading");
}
if (user->GetExt("ssl_cert", dummy) && isin(user->GetPort(), listenports))
{
void Implements(char* List)
{
List[I_OnRawSocketConnect] = List[I_OnRawSocketAccept] = List[I_OnRawSocketClose] = List[I_OnRawSocketRead] = List[I_OnRawSocketWrite] = List[I_OnCleanup] = List[I_On005Numeric] = 1;
- List[I_OnRequest] = List[I_OnSyncUserMetaData] = List[I_OnDecodeMetaData] = List[I_OnUnloadModule] = List[I_OnRehash] = List[I_OnWhois] = List[I_OnPostConnect] = 1;
+ List[I_OnBufferFlushed] = List[I_OnRequest] = List[I_OnSyncUserMetaData] = List[I_OnDecodeMetaData] = List[I_OnUnloadModule] = List[I_OnRehash] = List[I_OnWhois] = List[I_OnPostConnect] = 1;
}
virtual char* OnRequest(Request* request)
char* ret = "OK";
try
{
- ret = ServerInstance->Config->AddIOHook((Module*)this, (InspSocket*)ISR->Sock) ? (char*)"OK" : NULL;
+ ret = ServerInstance->Config->AddIOHook((Module*)this, (BufferedSocket*)ISR->Sock) ? (char*)"OK" : NULL;
}
catch (ModuleException &e)
{
}
else if (strcmp("IS_UNHOOK", request->GetId()) == 0)
{
- return ServerInstance->Config->DelIOHook((InspSocket*)ISR->Sock) ? (char*)"OK" : NULL;
+ return ServerInstance->Config->DelIOHook((BufferedSocket*)ISR->Sock) ? (char*)"OK" : NULL;
}
else if (strcmp("IS_HSDONE", request->GetId()) == 0)
{
- ServerInstance->Log(DEBUG,"Module checking if handshake is done");
if (ISR->Sock->GetFd() < 0)
return (char*)"OK";
issl_session* session = &sessions[ISR->Sock->GetFd()];
if (session->sess)
{
- VerifyCertificate(session, (InspSocket*)ISR->Sock);
+ VerifyCertificate(session, (BufferedSocket*)ISR->Sock);
return "OK";
}
}
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))
+ return;
+
issl_session* session = &sessions[fd];
session->fd = fd;
virtual void OnRawSocketConnect(int fd)
{
- ServerInstance->Log(DEBUG,"OnRawSocketConnect connecting");
+ /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
+ if ((fd < 0) || (fd > MAX_DESCRIPTORS))
+ return;
+
issl_session* session = &sessions[fd];
session->fd = fd;
}
Handshake(session);
- ServerInstance->Log(DEBUG,"Exiting OnRawSocketConnect");
}
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))
+ return;
+
CloseSession(&sessions[fd]);
EventHandler* user = ServerInstance->SE->GetRef(fd);
virtual int OnRawSocketRead(int fd, char* buffer, unsigned int count, int &readresult)
{
- issl_session* session = &sessions[fd];
+ /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
+ if ((fd < 0) || (fd > MAX_DESCRIPTORS))
+ return 0;
- ServerInstance->Log(DEBUG,"OnRawSocketRead");
+ issl_session* session = &sessions[fd];
if (!session->sess)
{
- ServerInstance->Log(DEBUG,"OnRawSocketRead has no session");
readresult = 0;
CloseSession(session);
return 1;
{
if (session->rstat == ISSL_READ || session->wstat == ISSL_READ)
{
- ServerInstance->Log(DEBUG,"Resume handshake in read");
// The handshake isn't finished and it wants to read, try to finish it.
if (!Handshake(session))
{
- ServerInstance->Log(DEBUG,"Cant resume handshake in read");
// Couldn't resume handshake.
return -1;
}
// Zero the offset, as there's nothing there..
session->inbufoffset = 0;
}
-
return 1;
}
- else
- {
- return ret;
- }
+ return ret;
}
}
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))
+ return 0;
+
issl_session* session = &sessions[fd];
if (!session->sess)
{
- ServerInstance->Log(DEBUG,"Close session missing sess");
CloseSession(session);
return -1;
}
session->outbuf.append(buffer, count);
+ MakePollWrite(session);
if (session->status == ISSL_HANDSHAKING)
{
// The handshake isn't finished, try to finish it.
if (session->rstat == ISSL_WRITE || session->wstat == ISSL_WRITE)
{
- ServerInstance->Log(DEBUG,"Handshake resume");
Handshake(session);
}
}
{
if (session->rstat == ISSL_WRITE)
{
- ServerInstance->Log(DEBUG,"DoRead");
DoRead(session);
}
if (session->wstat == ISSL_WRITE)
{
- ServerInstance->Log(DEBUG,"DoWrite");
return DoWrite(session);
}
}
if (ret == 0)
{
- ServerInstance->Log(DEBUG,"Oops, got 0 from SSL_write");
CloseSession(session);
return 0;
}
}
else
{
- ServerInstance->Log(DEBUG,"Close due to returned -1 in SSL_Write");
CloseSession(session);
return 0;
}
// Is this right? Not sure if the unencrypted data is garaunteed to be the same length.
// Read into the inbuffer, offset from the beginning by the amount of data we have that insp hasn't taken yet.
- ServerInstance->Log(DEBUG,"DoRead");
-
int ret = SSL_read(session->sess, session->inbuf + session->inbufoffset, inbufsize - session->inbufoffset);
if (ret == 0)
{
// Client closed connection.
- ServerInstance->Log(DEBUG,"Oops, got 0 from SSL_read");
CloseSession(session);
return 0;
}
if (err == SSL_ERROR_WANT_READ)
{
session->rstat = ISSL_READ;
- ServerInstance->Log(DEBUG,"Setting want_read");
return -1;
}
else if (err == SSL_ERROR_WANT_WRITE)
{
session->rstat = ISSL_WRITE;
- ServerInstance->Log(DEBUG,"Setting want_write");
+ MakePollWrite(session);
return -1;
}
else
{
- ServerInstance->Log(DEBUG,"Closed due to returned -1 in SSL_Read");
CloseSession(session);
return 0;
}
}
// :kenny.chatspike.net 320 Om Epy|AFK :is a Secure Connection
- virtual void OnWhois(userrec* source, userrec* dest)
+ virtual void OnWhois(User* source, User* dest)
{
if (!clientactive)
return;
}
}
- virtual void OnSyncUserMetaData(userrec* user, Module* proto, void* opaque, const std::string &extname, bool displayable)
+ virtual void OnSyncUserMetaData(User* user, Module* proto, void* opaque, const std::string &extname, bool displayable)
{
// check if the linking module wants to know about OUR metadata
if (extname == "ssl")
// check if its our metadata key, and its associated with a user
if ((target_type == TYPE_USER) && (extname == "ssl"))
{
- userrec* dest = (userrec*)target;
+ User* dest = (User*)target;
// if they dont already have an ssl flag, accept the remote server's
if (!dest->GetExt(extname, dummy))
{
bool Handshake(issl_session* session)
{
- ServerInstance->Log(DEBUG,"Handshake");
int ret;
if (session->outbound)
- {
- ServerInstance->Log(DEBUG,"SSL_connect");
ret = SSL_connect(session->sess);
- }
else
ret = SSL_accept(session->sess);
if (err == SSL_ERROR_WANT_READ)
{
- ServerInstance->Log(DEBUG,"Want read, handshaking");
session->rstat = ISSL_READ;
session->status = ISSL_HANDSHAKING;
return true;
}
else if (err == SSL_ERROR_WANT_WRITE)
{
- ServerInstance->Log(DEBUG,"Want write, handshaking");
session->wstat = ISSL_WRITE;
session->status = ISSL_HANDSHAKING;
MakePollWrite(session);
}
else
{
- ServerInstance->Log(DEBUG,"Handshake failed");
CloseSession(session);
}
{
// Handshake complete.
// This will do for setting the ssl flag...it could be done earlier if it's needed. But this seems neater.
- userrec* u = ServerInstance->FindDescriptor(session->fd);
+ User* u = ServerInstance->FindDescriptor(session->fd);
if (u)
{
if (!u->GetExt("ssl", dummy))
}
else if (ret == 0)
{
- int ssl_err = SSL_get_error(session->sess, ret);
- char buf[1024];
- ERR_print_errors_fp(stderr);
- ServerInstance->Log(DEBUG,"Handshake fail 2: %d: %s", ssl_err, ERR_error_string(ssl_err,buf));
CloseSession(session);
return true;
}
return true;
}
- virtual void OnPostConnect(userrec* user)
+ virtual void OnPostConnect(User* user)
{
// This occurs AFTER OnUserConnect so we can be sure the
- // protocol module has propogated the NICK message.
+ // protocol module has propagated the NICK message.
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.
void MakePollWrite(issl_session* session)
{
- OnRawSocketWrite(session->fd, NULL, 0);
- //EventHandler* eh = ServerInstance->FindDescriptor(session->fd);
- //if (eh)
- // ServerInstance->SE->WantWrite(eh);
+ //OnRawSocketWrite(session->fd, NULL, 0);
+ EventHandler* eh = ServerInstance->FindDescriptor(session->fd);
+ if (eh)
+ {
+ ServerInstance->SE->WantWrite(eh);
+ }
+ }
+
+ virtual void OnBufferFlushed(User* user)
+ {
+ if (user->GetExt("ssl"))
+ {
+ issl_session* session = &sessions[user->GetFd()];
+ if (session && session->outbuf.size())
+ OnRawSocketWrite(user->GetFd(), NULL, 0);
+ }
}
void CloseSession(issl_session* session)
return 0;
}
-MODULE_INIT(ModuleSSLOpenSSL);
-
+MODULE_INIT(ModuleSSLOpenSSL)