+/* +------------------------------------+
+ * | Inspire Internet Relay Chat Daemon |
+ * +------------------------------------+
+ *
+ * InspIRCd: (C) 2002-2007 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
+ *
+ * This program is free but copyrighted software; see
+ * the file COPYING for details.
+ *
+ * ---------------------------------------------------
+ */
+
#include <string>
#include <vector>
#include <openssl/err.h>
#include "inspircd_config.h"
+#include "configreader.h"
#include "users.h"
#include "channels.h"
#include "modules.h"
-#include "helperfuncs.h"
+
#include "socket.h"
#include "hashcomp.h"
+#include "inspircd.h"
+
+#include "transport.h"
/* $ModDesc: Provides SSL support for clients */
-/* $CompileFlags: -I/usr/include -I/usr/local/include */
-/* $LinkerFlags: -L/usr/local/lib -Wl,--rpath -Wl,/usr/local/lib -L/usr/lib -Wl,--rpath -Wl,/usr/lib -lssl */
+/* $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 */
enum issl_status { ISSL_NONE, ISSL_HANDSHAKING, ISSL_OPEN };
enum issl_io_status { ISSL_WRITE, ISSL_READ };
+static bool SelfSigned = false;
+
bool isin(int port, const std::vector<int> &portlist)
{
for(unsigned int i = 0; i < portlist.size(); i++)
if(portlist[i] == port)
return true;
-
+
return false;
}
return ERR_error_string(ERR_get_error(), NULL);
}
-class issl_session
+static int error_callback(const char *str, size_t len, void *u);
+
+/** Represents an SSL user's extra data
+ */
+class issl_session : public classbase
{
public:
SSL* sess;
char* inbuf; // Buffer OpenSSL reads into.
std::string outbuf; // Buffer for outgoing data that OpenSSL will not take.
int fd;
-
+ bool outbound;
+
issl_session()
{
+ outbound = false;
rstat = ISSL_READ;
wstat = ISSL_WRITE;
}
};
+static int OnVerify(int preverify_ok, X509_STORE_CTX *ctx)
+{
+ /* XXX: This will allow self signed certificates.
+ * In the future if we want an option to not allow this,
+ * we can just return preverify_ok here, and openssl
+ * will boot off self-signed and invalid peer certs.
+ */
+ int ve = X509_STORE_CTX_get_error(ctx);
+
+ SelfSigned = (ve == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT);
+
+ return 1;
+}
+
class ModuleSSLOpenSSL : public Module
{
- Server* Srv;
- ServerConfig* SrvConf;
+
ConfigReader* Conf;
-
- CullList culllist;
-
+
std::vector<int> listenports;
-
+
int inbufsize;
issl_session sessions[MAX_DESCRIPTORS];
-
+
SSL_CTX* ctx;
-
+ SSL_CTX* clictx;
+
+ char* dummy;
+
std::string keyfile;
std::string certfile;
std::string cafile;
// std::string crlfile;
std::string dhfile;
-
+
public:
-
- ModuleSSLOpenSSL(Server* Me)
- : Module::Module(Me)
+
+ InspIRCd* PublicInstance;
+
+ ModuleSSLOpenSSL(InspIRCd* Me)
+ : Module::Module(Me), PublicInstance(Me)
{
- Srv = Me;
- SrvConf = Srv->GetConfig();
-
+ ServerInstance->PublishInterface("InspSocketHook", this);
+
// Not rehashable...because I cba to reduce all the sizes of existing buffers.
- inbufsize = SrvConf->NetBufferSize;
-
+ inbufsize = ServerInstance->Config->NetBufferSize;
+
/* Global SSL library initialization*/
SSL_library_init();
SSL_load_error_strings();
-
- /* Build our SSL context*/
+
+ /* Build our SSL contexts:
+ * NOTE: OpenSSL makes us have two contexts, one for servers and one for clients. ICK.
+ */
ctx = SSL_CTX_new( SSLv23_server_method() );
+ clictx = SSL_CTX_new( SSLv23_client_method() );
+
+ SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, OnVerify);
+ SSL_CTX_set_verify(clictx, SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, OnVerify);
// Needs the flag as it ignores a plain /rehash
- OnRehash("ssl");
+ OnRehash(NULL,"ssl");
}
-
- virtual void OnRehash(std::string param)
+
+ virtual void OnRehash(userrec* user, const std::string ¶m)
{
- if(param != "ssl")
+ if (param != "ssl")
return;
-
- Conf = new ConfigReader;
-
- for(unsigned int i = 0; i < listenports.size(); i++)
+
+ Conf = new ConfigReader(ServerInstance);
+
+ for (unsigned int i = 0; i < listenports.size(); i++)
{
- SrvConf->DelIOHook(listenports[i]);
+ ServerInstance->Config->DelIOHook(listenports[i]);
}
-
+
listenports.clear();
-
- for(int i = 0; i < Conf->Enumerate("bind"); i++)
+
+ for (int i = 0; i < Conf->Enumerate("bind"); i++)
{
// For each <bind> tag
- if(((Conf->ReadValue("bind", "type", i) == "") || (Conf->ReadValue("bind", "type", i) == "clients")) && (Conf->ReadValue("bind", "ssl", i) == "openssl"))
+ if (((Conf->ReadValue("bind", "type", i) == "") || (Conf->ReadValue("bind", "type", i) == "clients")) && (Conf->ReadValue("bind", "ssl", i) == "openssl"))
{
// Get the port we're meant to be listening on with SSL
- unsigned int port = Conf->ReadInteger("bind", "port", i, true);
- if(SrvConf->AddIOHook(port, this))
- {
- // We keep a record of which ports we're listening on with SSL
- listenports.push_back(port);
-
- log(DEFAULT, "m_ssl_openssl.so: Enabling SSL for port %d", port);
- }
- else
+ std::string port = Conf->ReadValue("bind", "port", i);
+ irc::portparser portrange(port, false);
+ long portno = -1;
+ while ((portno = portrange.GetToken()))
{
- log(DEFAULT, "m_ssl_openssl.so: FAILED to enable SSL on port %d, maybe you have another ssl or similar module loaded?", port);
+ try
+ {
+ if (ServerInstance->Config->AddIOHook(portno, this))
+ {
+ listenports.push_back(portno);
+ for (unsigned int i = 0; i < ServerInstance->stats->BoundPortCount; i++)
+ if (ServerInstance->Config->ports[i] == portno)
+ ServerInstance->Config->openSockfd[i]->SetDescription("ssl");
+ ServerInstance->Log(DEFAULT, "m_ssl_openssl.so: Enabling SSL for port %d", portno);
+ }
+ else
+ {
+ ServerInstance->Log(DEFAULT, "m_ssl_openssl.so: FAILED to enable SSL on port %d, maybe you have another ssl or similar module loaded?", portno);
+ }
+ }
+ catch (ModuleException &e)
+ {
+ ServerInstance->Log(DEFAULT, "m_ssl_openssl.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 another SSL or similar module loaded?", portno, e.GetReason());
+ }
}
}
}
-
+
std::string confdir(CONFIG_FILE);
// +1 so we the path ends with a /
confdir = confdir.substr(0, confdir.find_last_of('/') + 1);
-
- cafile = Conf->ReadValue("openssl", "cafile", 0);
- // crlfile = Conf->ReadValue("openssl", "crlfile", 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 == "")
+ if (cafile == "")
cafile = "ca.pem";
-
- //if(crlfile == "")
- // crlfile = "crl.pem";
-
- if(certfile == "")
+
+ if (certfile == "")
certfile = "cert.pem";
-
- if(keyfile == "")
+
+ if (keyfile == "")
keyfile = "key.pem";
-
- if(dhfile == "")
+
+ if (dhfile == "")
dhfile = "dhparams.pem";
-
- // Prepend relative paths with the path to the config directory.
- if(cafile[0] != '/')
+
+ // Prepend relative paths with the path to the config directory.
+ if (cafile[0] != '/')
cafile = confdir + cafile;
-
+
//if(crlfile[0] != '/')
// crlfile = confdir + crlfile;
-
- if(certfile[0] != '/')
+
+ if (certfile[0] != '/')
certfile = confdir + certfile;
-
- if(keyfile[0] != '/')
+
+ if (keyfile[0] != '/')
keyfile = confdir + keyfile;
-
- if(dhfile[0] != '/')
+
+ if (dhfile[0] != '/')
dhfile = confdir + dhfile;
- /* Load our keys and certificates*/
- if(!SSL_CTX_use_certificate_chain_file(ctx, certfile.c_str()))
+ /* Load our keys and certificates
+ * NOTE: OpenSSL's error logging API sucks, don't blame us for this clusterfuck.
+ */
+ if ((!SSL_CTX_use_certificate_chain_file(ctx, certfile.c_str())) || (!SSL_CTX_use_certificate_chain_file(clictx, certfile.c_str())))
{
- log(DEFAULT, "m_ssl_openssl.so: Can't read certificate file %s", certfile.c_str());
+ ServerInstance->Log(DEFAULT, "m_ssl_openssl.so: Can't read certificate file %s. %s", certfile.c_str(), strerror(errno));
+ ERR_print_errors_cb(error_callback, this);
}
- if(!SSL_CTX_use_PrivateKey_file(ctx, keyfile.c_str(), SSL_FILETYPE_PEM))
+ if (((!SSL_CTX_use_PrivateKey_file(ctx, keyfile.c_str(), SSL_FILETYPE_PEM))) || (!SSL_CTX_use_PrivateKey_file(clictx, keyfile.c_str(), SSL_FILETYPE_PEM)))
{
- log(DEFAULT, "m_ssl_openssl.so: Can't read key file %s", keyfile.c_str());
+ ServerInstance->Log(DEFAULT, "m_ssl_openssl.so: Can't read key file %s. %s", keyfile.c_str(), strerror(errno));
+ ERR_print_errors_cb(error_callback, this);
}
/* Load the CAs we trust*/
- if(!SSL_CTX_load_verify_locations(ctx, cafile.c_str(), 0))
+ if (((!SSL_CTX_load_verify_locations(ctx, cafile.c_str(), 0))) || (!SSL_CTX_load_verify_locations(clictx, cafile.c_str(), 0)))
{
- log(DEFAULT, "m_ssl_openssl.so: Can't read CA list from ", cafile.c_str());
+ ServerInstance->Log(DEFAULT, "m_ssl_openssl.so: Can't read CA list from %s. %s", cafile.c_str(), strerror(errno));
+ ERR_print_errors_cb(error_callback, this);
}
-
+
FILE* dhpfile = fopen(dhfile.c_str(), "r");
DH* ret;
- if(dhpfile == NULL)
+ if (dhpfile == NULL)
{
- log(DEFAULT, "m_ssl_openssl.so Couldn't open DH file %s: %s", dhfile.c_str(), strerror(errno));
+ ServerInstance->Log(DEFAULT, "m_ssl_openssl.so Couldn't open DH file %s: %s", dhfile.c_str(), strerror(errno));
+ throw ModuleException("Couldn't open DH file " + dhfile + ": " + strerror(errno));
}
else
{
ret = PEM_read_DHparams(dhpfile, NULL, NULL, NULL);
+ if ((SSL_CTX_set_tmp_dh(ctx, ret) < 0) || (SSL_CTX_set_tmp_dh(clictx, ret) < 0))
+ {
+ ServerInstance->Log(DEFAULT, "m_ssl_openssl.so: Couldn't set DH parameters %s. SSL errors follow:", dhfile.c_str());
+ ERR_print_errors_cb(error_callback, this);
+ }
}
-
+
fclose(dhpfile);
-
- if(SSL_CTX_set_tmp_dh(ctx, ret) < 0)
- {
- log(DEFAULT, "m_ssl_openssl.so: Couldn't set DH parameters");
- }
- delete Conf;
+ DELETE(Conf);
}
virtual ~ModuleSSLOpenSSL()
{
SSL_CTX_free(ctx);
+ SSL_CTX_free(clictx);
}
-
+
virtual void OnCleanup(int target_type, void* item)
{
- if(target_type == TYPE_USER)
+ if (target_type == TYPE_USER)
{
userrec* user = (userrec*)item;
-
- if(user->GetExt("ssl") && IS_LOCAL(user) && isin(user->port, listenports))
+
+ 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.
- log(DEBUG, "m_ssl_openssl.so: Adding user %s to cull list", user->nick);
- culllist.AddItem(user, "SSL module unloading");
+ ServerInstance->GlobalCulls.AddItem(user, "SSL module unloading");
+ }
+ if (user->GetExt("ssl_cert", dummy) && isin(user->GetPort(), listenports))
+ {
+ ssl_cert* tofree;
+ user->GetExt("ssl_cert", tofree);
+ delete tofree;
+ user->Shrink("ssl_cert");
}
}
}
-
- virtual void OnUnloadModule(Module* mod, std::string name)
+
+ virtual void OnUnloadModule(Module* mod, const std::string &name)
{
- if(mod == this)
+ if (mod == this)
{
- // We're being unloaded, kill all the users added to the cull list in OnCleanup
- int numusers = culllist.Apply();
- log(DEBUG, "m_ssl_openssl.so: Killed %d users for unload of OpenSSL SSL module", numusers);
-
for(unsigned int i = 0; i < listenports.size(); i++)
- SrvConf->DelIOHook(listenports[i]);
+ {
+ ServerInstance->Config->DelIOHook(listenports[i]);
+ for (unsigned int j = 0; j < ServerInstance->stats->BoundPortCount; j++)
+ if (ServerInstance->Config->ports[j] == listenports[i])
+ if (ServerInstance->Config->openSockfd[j])
+ ServerInstance->Config->openSockfd[j]->SetDescription("plaintext");
+ }
}
}
-
+
virtual Version GetVersion()
{
- return Version(1, 0, 0, 0, VF_VENDOR);
+ return Version(1, 1, 0, 0, VF_VENDOR, API_VERSION);
}
void Implements(char* List)
{
- List[I_OnRawSocketAccept] = List[I_OnRawSocketClose] = List[I_OnRawSocketRead] = List[I_OnRawSocketWrite] = List[I_OnCleanup] = 1;
- List[I_OnSyncUserMetaData] = List[I_OnDecodeMetaData] = List[I_OnUnloadModule] = List[I_OnRehash] = List[I_OnWhois] = List[I_OnGlobalConnect] = 1;
+ List[I_OnRawSocketConnect] = List[I_OnRawSocketAccept] = List[I_OnRawSocketClose] = List[I_OnRawSocketRead] = List[I_OnRawSocketWrite] = List[I_OnCleanup] = 1;
+ List[I_OnRequest] = List[I_OnSyncUserMetaData] = List[I_OnDecodeMetaData] = List[I_OnUnloadModule] = List[I_OnRehash] = List[I_OnWhois] = List[I_OnPostConnect] = 1;
}
- virtual void OnRawSocketAccept(int fd, std::string ip, int localport)
+ virtual char* OnRequest(Request* request)
+ {
+ ISHRequest* ISR = (ISHRequest*)request;
+ if (strcmp("IS_NAME", request->GetId()) == 0)
+ {
+ return "openssl";
+ }
+ else if (strcmp("IS_HOOK", request->GetId()) == 0)
+ {
+ char* ret = "OK";
+ try
+ {
+ ret = ServerInstance->Config->AddIOHook((Module*)this, (InspSocket*)ISR->Sock) ? (char*)"OK" : NULL;
+ }
+ catch (ModuleException &e)
+ {
+ return NULL;
+ }
+
+ return ret;
+ }
+ else if (strcmp("IS_UNHOOK", request->GetId()) == 0)
+ {
+ return ServerInstance->Config->DelIOHook((InspSocket*)ISR->Sock) ? (char*)"OK" : NULL;
+ }
+ else if (strcmp("IS_HSDONE", request->GetId()) == 0)
+ {
+ issl_session* session = &sessions[ISR->Sock->GetFd()];
+ return (session->status == ISSL_HANDSHAKING) ? NULL : (char*)"OK";
+ }
+ else if (strcmp("IS_ATTACH", request->GetId()) == 0)
+ {
+ issl_session* session = &sessions[ISR->Sock->GetFd()];
+ if (session)
+ {
+ VerifyCertificate(session, (InspSocket*)ISR->Sock);
+ return "OK";
+ }
+ }
+ return NULL;
+ }
+
+
+ virtual void OnRawSocketAccept(int fd, const std::string &ip, int localport)
{
issl_session* session = &sessions[fd];
-
+
session->fd = fd;
session->inbuf = new char[inbufsize];
- session->inbufoffset = 0;
+ session->inbufoffset = 0;
session->sess = SSL_new(ctx);
session->status = ISSL_NONE;
-
- if(session->sess == NULL)
+ session->outbound = false;
+
+ if (session->sess == NULL)
+ return;
+
+ if (SSL_set_fd(session->sess, fd) == 0)
{
- log(DEBUG, "m_ssl.so: Couldn't create SSL object: %s", get_error());
+ ServerInstance->Log(DEBUG,"BUG: Can't set fd with SSL_set_fd: %d", fd);
return;
}
-
- if(SSL_set_fd(session->sess, fd) == 0)
+
+ Handshake(session);
+ }
+
+ virtual void OnRawSocketConnect(int fd)
+ {
+ issl_session* session = &sessions[fd];
+
+ session->fd = fd;
+ session->inbuf = new char[inbufsize];
+ session->inbufoffset = 0;
+ session->sess = SSL_new(clictx);
+ session->status = ISSL_NONE;
+ session->outbound = true;
+
+ if (session->sess == NULL)
+ return;
+
+ if (SSL_set_fd(session->sess, fd) == 0)
{
- log(DEBUG, "m_ssl.so: Couldn't set fd for SSL object: %s", get_error());
+ ServerInstance->Log(DEBUG,"BUG: Can't set fd with SSL_set_fd: %d", fd);
return;
}
- Handshake(session);
+ Handshake(session);
}
virtual void OnRawSocketClose(int fd)
{
- log(DEBUG, "m_ssl_openssl.so: OnRawSocketClose: %d", fd);
CloseSession(&sessions[fd]);
+
+ EventHandler* user = ServerInstance->SE->GetRef(fd);
+
+ if ((user) && (user->GetExt("ssl_cert", dummy)))
+ {
+ ssl_cert* tofree;
+ user->GetExt("ssl_cert", tofree);
+ delete tofree;
+ user->Shrink("ssl_cert");
+ }
}
-
+
virtual int OnRawSocketRead(int fd, char* buffer, unsigned int count, int &readresult)
{
issl_session* session = &sessions[fd];
-
- if(!session->sess)
+
+ if (!session->sess)
{
- log(DEBUG, "m_ssl_openssl.so: OnRawSocketRead: No session to read from");
readresult = 0;
CloseSession(session);
return 1;
}
-
- log(DEBUG, "m_ssl_openssl.so: OnRawSocketRead(%d, buffer, %u, %d)", fd, count, readresult);
-
- if(session->status == ISSL_HANDSHAKING)
+
+ if (session->status == ISSL_HANDSHAKING)
{
- if(session->rstat == ISSL_READ || session->wstat == ISSL_READ)
+ if (session->rstat == ISSL_READ || session->wstat == ISSL_READ)
{
// The handshake isn't finished and it wants to read, try to finish it.
- if(Handshake(session))
+ if (!Handshake(session))
{
- // Handshake successfully resumed.
- log(DEBUG, "m_ssl_openssl.so: OnRawSocketRead: successfully resumed handshake");
- }
- else
- {
- // Couldn't resume handshake.
- log(DEBUG, "m_ssl_openssl.so: OnRawSocketRead: failed to resume handshake");
+ // Couldn't resume handshake.
return -1;
}
}
else
{
- log(DEBUG, "m_ssl_openssl.so: OnRawSocketRead: handshake wants to write data but we are currently reading");
- return -1;
+ return -1;
}
}
-
+
// If we resumed the handshake then session->status will be ISSL_OPEN
-
- if(session->status == ISSL_OPEN)
+
+ if (session->status == ISSL_OPEN)
{
- if(session->wstat == ISSL_READ)
+ if (session->wstat == ISSL_READ)
{
if(DoWrite(session) == 0)
return 0;
}
-
- if(session->rstat == ISSL_READ)
+
+ if (session->rstat == ISSL_READ)
{
int ret = DoRead(session);
-
- if(ret > 0)
+
+ if (ret > 0)
{
- if(count <= session->inbufoffset)
+ if (count <= session->inbufoffset)
{
memcpy(buffer, session->inbuf, count);
// Move the stuff left in inbuf to the beginning of it
{
// There's not as much in the inbuf as there is space in the buffer, so just copy the whole thing.
memcpy(buffer, session->inbuf, session->inbufoffset);
-
+
readresult = session->inbufoffset;
// Zero the offset, as there's nothing there..
session->inbufoffset = 0;
}
-
- log(DEBUG, "m_ssl_openssl.so: OnRawSocketRead: Passing %d bytes up to insp:");
- Srv->Log(DEBUG, std::string(buffer, readresult));
-
+
return 1;
}
else
}
}
}
-
+
return -1;
}
-
- virtual int OnRawSocketWrite(int fd, char* buffer, int count)
- {
+
+ virtual int OnRawSocketWrite(int fd, const char* buffer, int count)
+ {
issl_session* session = &sessions[fd];
- if(!session->sess)
+ if (!session->sess)
{
- log(DEBUG, "m_ssl_openssl.so: OnRawSocketWrite: No session to write to");
CloseSession(session);
- return 1;
+ return -1;
}
-
- log(DEBUG, "m_ssl_openssl.so: OnRawSocketWrite: Adding %d bytes to the outgoing buffer", count);
+
session->outbuf.append(buffer, count);
-
- if(session->status == ISSL_HANDSHAKING)
+
+ if (session->status == ISSL_HANDSHAKING)
{
// The handshake isn't finished, try to finish it.
- if(session->rstat == ISSL_WRITE || session->wstat == ISSL_WRITE)
- {
- if(Handshake(session))
- {
- // Handshake successfully resumed.
- log(DEBUG, "m_ssl_openssl.so: OnRawSocketWrite: successfully resumed handshake");
- }
- else
- {
- // Couldn't resume handshake.
- log(DEBUG, "m_ssl_openssl.so: OnRawSocketWrite: failed to resume handshake");
- }
- }
- else
- {
- log(DEBUG, "m_ssl_openssl.so: OnRawSocketWrite: handshake wants to read data but we are currently writing");
- }
+ if (session->rstat == ISSL_WRITE || session->wstat == ISSL_WRITE)
+ Handshake(session);
}
-
- if(session->status == ISSL_OPEN)
+
+ if (session->status == ISSL_OPEN)
{
- if(session->rstat == ISSL_WRITE)
- {
+ if (session->rstat == ISSL_WRITE)
DoRead(session);
- }
-
- if(session->wstat == ISSL_WRITE)
- {
+
+ if (session->wstat == ISSL_WRITE)
return DoWrite(session);
- }
}
-
+
return 1;
}
-
+
int DoWrite(issl_session* session)
{
- log(DEBUG, "m_ssl_openssl.so: DoWrite: Trying to write %d bytes:", session->outbuf.size());
- Srv->Log(DEBUG, session->outbuf);
-
+ if (!session->outbuf.size())
+ return -1;
+
int ret = SSL_write(session->sess, session->outbuf.data(), session->outbuf.size());
-
- if(ret == 0)
+
+ if (ret == 0)
{
- log(DEBUG, "m_ssl_openssl.so: DoWrite: Client closed the connection");
CloseSession(session);
return 0;
}
- else if(ret < 0)
+ else if (ret < 0)
{
int err = SSL_get_error(session->sess, ret);
-
- if(err == SSL_ERROR_WANT_WRITE)
+
+ if (err == SSL_ERROR_WANT_WRITE)
{
- log(DEBUG, "m_ssl_openssl.so: DoWrite: Not all SSL data written, need to retry: %s", get_error());
session->wstat = ISSL_WRITE;
return -1;
}
- else if(err == SSL_ERROR_WANT_READ)
+ else if (err == SSL_ERROR_WANT_READ)
{
- log(DEBUG, "m_ssl_openssl.so: DoWrite: Not all SSL data written but the damn thing wants to read instead: %s", get_error());
session->wstat = ISSL_READ;
return -1;
}
else
{
- log(DEBUG, "m_ssl_openssl.so: DoWrite: Error writing SSL data: %s", get_error());
CloseSession(session);
return 0;
}
}
else
{
- log(DEBUG, "m_ssl_openssl.so: DoWrite: Successfully wrote %d bytes", ret);
session->outbuf = session->outbuf.substr(ret);
return ret;
}
}
-
+
int DoRead(issl_session* session)
{
// 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.
- log(DEBUG, "m_ssl_openssl.so: DoRead: SSL_read(sess, inbuf+%d, %d-%d)", session->inbufoffset, inbufsize, session->inbufoffset);
-
+
int ret = SSL_read(session->sess, session->inbuf + session->inbufoffset, inbufsize - session->inbufoffset);
- if(ret == 0)
+ if (ret == 0)
{
// Client closed connection.
- log(DEBUG, "m_ssl_openssl.so: DoRead: Client closed the connection");
CloseSession(session);
return 0;
}
- else if(ret < 0)
+ else if (ret < 0)
{
int err = SSL_get_error(session->sess, ret);
-
- if(err == SSL_ERROR_WANT_READ)
+
+ if (err == SSL_ERROR_WANT_READ)
{
- log(DEBUG, "m_ssl_openssl.so: DoRead: Not all SSL data read, need to retry: %s", get_error());
session->rstat = ISSL_READ;
return -1;
}
- else if(err == SSL_ERROR_WANT_WRITE)
+ else if (err == SSL_ERROR_WANT_WRITE)
{
- log(DEBUG, "m_ssl_openssl.so: DoRead: Not all SSL data read but the damn thing wants to write instead: %s", get_error());
session->rstat = ISSL_WRITE;
return -1;
}
else
{
- log(DEBUG, "m_ssl_openssl.so: DoRead: Error reading SSL data: %s", get_error());
CloseSession(session);
return 0;
}
// Read successfully 'ret' bytes into inbuf + inbufoffset
// There are 'ret' + 'inbufoffset' bytes of data in 'inbuf'
// 'buffer' is 'count' long
-
- log(DEBUG, "m_ssl_openssl.so: DoRead: Read %d bytes, now have %d waiting to be passed up", ret, ret + session->inbufoffset);
session->inbufoffset += ret;
return ret;
}
}
-
+
// :kenny.chatspike.net 320 Om Epy|AFK :is a Secure Connection
virtual void OnWhois(userrec* source, userrec* dest)
{
// Bugfix, only send this numeric for *our* SSL users
- if(dest->GetExt("ssl") && isin(dest->port, listenports))
+ if (dest->GetExt("ssl", dummy) || (IS_LOCAL(dest) && isin(dest->GetPort(), listenports)))
{
- WriteServ(source->fd, "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, dest->nick);
}
}
-
- virtual void OnSyncUserMetaData(userrec* user, Module* proto, void* opaque, std::string extname)
+
+ virtual void OnSyncUserMetaData(userrec* user, Module* proto, void* opaque, const std::string &extname)
{
// check if the linking module wants to know about OUR metadata
- if(extname == "ssl")
+ if (extname == "ssl")
{
// check if this user has an swhois field to send
- if(user->GetExt(extname))
+ if(user->GetExt(extname, dummy))
{
// call this function in the linking module, let it format the data how it
// sees fit, and send it on its way. We dont need or want to know how.
}
}
}
-
- virtual void OnDecodeMetaData(int target_type, void* target, std::string extname, std::string extdata)
+
+ virtual void OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata)
{
// check if its our metadata key, and its associated with a user
if ((target_type == TYPE_USER) && (extname == "ssl"))
{
userrec* dest = (userrec*)target;
// if they dont already have an ssl flag, accept the remote server's
- if (!dest->GetExt(extname))
+ if (!dest->GetExt(extname, dummy))
{
dest->Extend(extname, "ON");
}
}
}
-
+
bool Handshake(issl_session* session)
- {
- int ret = SSL_accept(session->sess);
-
- if(ret < 0)
+ {
+ int ret;
+
+ if (session->outbound)
+ ret = SSL_connect(session->sess);
+ else
+ ret = SSL_accept(session->sess);
+
+ if (ret < 0)
{
int err = SSL_get_error(session->sess, ret);
-
- if(err == SSL_ERROR_WANT_READ)
+
+ if (err == SSL_ERROR_WANT_READ)
{
- log(DEBUG, "m_ssl_openssl.so: Handshake: Not completed, need to read again: %s", get_error());
session->rstat = ISSL_READ;
session->status = ISSL_HANDSHAKING;
}
- else if(err == SSL_ERROR_WANT_WRITE)
+ else if (err == SSL_ERROR_WANT_WRITE)
{
- log(DEBUG, "m_ssl_openssl.so: Handshake: Not completed, need to write more data: %s", get_error());
session->wstat = ISSL_WRITE;
session->status = ISSL_HANDSHAKING;
MakePollWrite(session);
}
else
{
- log(DEBUG, "m_ssl_openssl.so: Handshake: Failed, bailing: %s", get_error());
CloseSession(session);
}
return false;
}
- else
+ else if (ret > 0)
{
// Handshake complete.
- log(DEBUG, "m_ssl_openssl.so: Handshake completed");
-
// This will do for setting the ssl flag...it could be done earlier if it's needed. But this seems neater.
- userrec* u = Srv->FindDescriptor(session->fd);
+ userrec* u = ServerInstance->FindDescriptor(session->fd);
if (u)
{
- if (!u->GetExt("ssl"))
+ if (!u->GetExt("ssl", dummy))
u->Extend("ssl", "ON");
}
-
+
session->status = ISSL_OPEN;
-
+
MakePollWrite(session);
-
+
return true;
}
+ else if (ret == 0)
+ {
+ CloseSession(session);
+ return true;
+ }
+
+ return true;
}
-
- virtual void OnGlobalConnect(userrec* user)
+
+ virtual void OnPostConnect(userrec* user)
{
// This occurs AFTER OnUserConnect so we can be sure the
// protocol module has propogated the NICK message.
- if ((user->GetExt("ssl")) && (IS_LOCAL(user)))
+ 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("ssl"); // The metadata id
metadata->push_back("ON"); // The value to send
Event* event = new Event((char*)metadata,(Module*)this,"send_metadata");
- event->Send(); // Trigger the event. We don't care what module picks it up.
- delete event;
- delete metadata;
+ event->Send(ServerInstance); // Trigger the event. We don't care what module picks it up.
+ DELETE(event);
+ DELETE(metadata);
+
+ VerifyCertificate(&sessions[user->GetFd()], user);
}
}
-
+
void MakePollWrite(issl_session* session)
{
OnRawSocketWrite(session->fd, NULL, 0);
}
-
+
void CloseSession(issl_session* session)
{
- if(session->sess)
+ if (session->sess)
{
SSL_shutdown(session->sess);
SSL_free(session->sess);
}
-
- if(session->inbuf)
+
+ if (session->inbuf)
{
delete[] session->inbuf;
}
-
+
session->outbuf.clear();
session->inbuf = NULL;
session->sess = NULL;
session->status = ISSL_NONE;
}
+
+ void VerifyCertificate(issl_session* session, Extensible* user)
+ {
+ X509* cert;
+ ssl_cert* certinfo = new ssl_cert;
+ unsigned int n;
+ unsigned char md[EVP_MAX_MD_SIZE];
+ const EVP_MD *digest = EVP_md5();
+
+ user->Extend("ssl_cert",certinfo);
+
+ cert = SSL_get_peer_certificate((SSL*)session->sess);
+
+ if (!cert)
+ {
+ certinfo->data.insert(std::make_pair("error","Could not get peer certificate: "+std::string(get_error())));
+ return;
+ }
+
+ certinfo->data.insert(std::make_pair("invalid", SSL_get_verify_result(session->sess) != X509_V_OK ? ConvToStr(1) : ConvToStr(0)));
+
+ if (SelfSigned)
+ {
+ certinfo->data.insert(std::make_pair("unknownsigner",ConvToStr(0)));
+ certinfo->data.insert(std::make_pair("trusted",ConvToStr(1)));
+ }
+ else
+ {
+ certinfo->data.insert(std::make_pair("unknownsigner",ConvToStr(1)));
+ certinfo->data.insert(std::make_pair("trusted",ConvToStr(0)));
+ }
+
+ certinfo->data.insert(std::make_pair("dn",std::string(X509_NAME_oneline(X509_get_subject_name(cert),0,0))));
+ certinfo->data.insert(std::make_pair("issuer",std::string(X509_NAME_oneline(X509_get_issuer_name(cert),0,0))));
+
+ if (!X509_digest(cert, digest, md, &n))
+ {
+ certinfo->data.insert(std::make_pair("error","Out of memory generating fingerprint"));
+ }
+ else
+ {
+ certinfo->data.insert(std::make_pair("fingerprint",irc::hex(md, n)));
+ }
+
+ if ((ASN1_UTCTIME_cmp_time_t(X509_get_notAfter(cert), time(NULL)) == -1) || (ASN1_UTCTIME_cmp_time_t(X509_get_notBefore(cert), time(NULL)) == 0))
+ {
+ certinfo->data.insert(std::make_pair("error","Not activated, or expired certificate"));
+ }
+
+ X509_free(cert);
+ }
};
+static int error_callback(const char *str, size_t len, void *u)
+{
+ ModuleSSLOpenSSL* mssl = (ModuleSSLOpenSSL*)u;
+ mssl->PublicInstance->Log(DEFAULT, "SSL error: " + std::string(str, len - 1));
+ return 0;
+}
+
class ModuleSSLOpenSSLFactory : public ModuleFactory
{
public:
ModuleSSLOpenSSLFactory()
{
}
-
+
~ModuleSSLOpenSSLFactory()
{
}
-
- virtual Module * CreateModule(Server* Me)
+
+ virtual Module * CreateModule(InspIRCd* Me)
{
return new ModuleSSLOpenSSL(Me);
}
{
return new ModuleSSLOpenSSLFactory;
}
-
projects / user / henk / code / inspircd.git / blobdiff