/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2009 InspIRCd Development Team
* See: http://wiki.inspircd.org/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#include "inspircd.h"
#include <openssl/ssl.h>
#include <openssl/err.h>
#include "transport.h"
#ifdef WINDOWS
#pragma comment(lib, "libeay32MTd")
#pragma comment(lib, "ssleay32MTd")
#undef MAX_DESCRIPTORS
#define MAX_DESCRIPTORS 10000
#endif
/* $ModDesc: Provides SSL support for clients */
/* $LinkerFlags: if("USE_FREEBSD_BASE_SSL") -lssl -lcrypto */
/* $CompileFlags: if(!"USE_FREEBSD_BASE_SSL") pkgconfversion("openssl","0.9.7") pkgconfincludes("openssl","/openssl/ssl.h","") */
/* $LinkerFlags: if(!"USE_FREEBSD_BASE_SSL") rpath("pkg-config --libs openssl") pkgconflibs("openssl","/libssl.so","-lssl -lcrypto -ldl") */
/* $ModDep: transport.h */
/* $NoPedantic */
/* $CopyInstall: conf/key.pem $(CONPATH) */
/* $CopyInstall: conf/cert.pem $(CONPATH) */
enum issl_status { ISSL_NONE, ISSL_HANDSHAKING, ISSL_OPEN };
enum issl_io_status { ISSL_WRITE, ISSL_READ };
static bool SelfSigned = false;
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;
if (host.find('.') != std::string::npos && std::find(portlist.begin(), portlist.end(), "0.0.0.0:" + ConvToStr(port)) != portlist.end())
return true;
if (host.find(':') != std::string::npos && std::find(portlist.begin(), portlist.end(), ":::" + ConvToStr(port)) != portlist.end())
return true;
return std::find(portlist.begin(), portlist.end(), host + ":" + ConvToStr(port)) != portlist.end();
}
char* get_error()
{
return ERR_error_string(ERR_get_error(), NULL);
}
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;
issl_status status;
issl_io_status rstat;
issl_io_status wstat;
unsigned int inbufoffset;
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
{
std::vector<std::string> listenports;
int inbufsize;
issl_session* sessions;
SSL_CTX* ctx;
SSL_CTX* clictx;
char* dummy;
char cipher[MAXBUF];
std::string keyfile;
std::string certfile;
std::string cafile;
// std::string crlfile;
std::string dhfile;
std::string sslports;
int clientactive;
public:
InspIRCd* PublicInstance;
ModuleSSLOpenSSL(InspIRCd* Me)
: Module(Me), PublicInstance(Me)
{
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;
/* Global SSL library initialization*/
SSL_library_init();
SSL_load_error_strings();
/* 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_mode(ctx, SSL_MODE_ENABLE_PARTIAL_WRITE | SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
SSL_CTX_set_mode(clictx, SSL_MODE_ENABLE_PARTIAL_WRITE | SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
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
OnModuleRehash(NULL,"ssl");
Implementation eventlist[] = { I_OnRawSocketConnect, I_OnRawSocketAccept,
I_OnRawSocketClose, I_OnRawSocketRead, I_OnRawSocketWrite, I_OnCleanup, I_On005Numeric,
I_OnBufferFlushed, I_OnRequest, I_OnUnloadModule, I_OnRehash, I_OnModuleRehash,
I_OnPostConnect, I_OnHookUserIO };
ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
}
virtual void OnHookUserIO(User* user, const std::string &targetip)
{
if (!user->GetIOHook() && isin(targetip,user->GetPort(), listenports))
{
/* Hook the user with our module */
user->AddIOHook(this);
}
}
virtual void OnRehash(User* user)
{
ConfigReader Conf(ServerInstance);
listenports.clear();
clientactive = 0;
sslports.clear();
for(int index = 0; index < Conf.Enumerate("bind"); index++)
{
// For each <bind> tag
std::string x = Conf.ReadValue("bind", "type", index);
if(((x.empty()) || (x == "clients")) && (Conf.ReadValue("bind", "ssl", index) == "openssl"))
{
// 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));
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_openssl",DEFAULT, "m_ssl_openssl.so: Enabling SSL for port %ld", portno);
if (addr != "127.0.0.1")
sslports.append((addr.empty() ? "*" : addr)).append(":").append(ConvToStr(portno)).append(";");
}
catch (ModuleException &e)
{
ServerInstance->Logs->Log("m_ssl_openssl",DEFAULT, "m_ssl_openssl.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());
}
}
}
}
if (!sslports.empty())
sslports.erase(sslports.end() - 1);
}
virtual void OnModuleRehash(User* user, const std::string ¶m)
{
if (param != "ssl")
return;
OnRehash(user);
ConfigReader Conf(ServerInstance);
std::string confdir(ServerInstance->ConfigFileName);
// +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);
// Set all the default values needed.
if (cafile.empty())
cafile = "ca.pem";
if (certfile.empty())
certfile = "cert.pem";
if (keyfile.empty())
keyfile = "key.pem";
if (dhfile.empty())
dhfile = "dhparams.pem";
// Prepend relative paths with the path to the config directory.
if ((cafile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(cafile)))
cafile = confdir + cafile;
if ((certfile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(certfile)))
certfile = confdir + certfile;
if ((keyfile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(keyfile)))
keyfile = confdir + keyfile;
if ((dhfile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(dhfile)))
dhfile = confdir + dhfile;
/* 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())))
{
ServerInstance->Logs->Log("m_ssl_openssl",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))) || (!SSL_CTX_use_PrivateKey_file(clictx, keyfile.c_str(), SSL_FILETYPE_PEM)))
{
ServerInstance->Logs->Log("m_ssl_openssl",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))) || (!SSL_CTX_load_verify_locations(clictx, cafile.c_str(), 0)))
{
ServerInstance->Logs->Log("m_ssl_openssl",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)
{
ServerInstance->Logs->Log("m_ssl_openssl",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->Logs->Log("m_ssl_openssl",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);
}
virtual void On005Numeric(std::string &output)
{
output.append(" SSL=" + sslports);
}
virtual ~ModuleSSLOpenSSL()
{
SSL_CTX_free(ctx);
SSL_CTX_free(clictx);
ServerInstance->Modules->UnpublishInterface("BufferedSocketHook", this);
delete[] sessions;
}
virtual void OnCleanup(int target_type, void* item)
{
if (target_type == TYPE_USER)
{
User* user = (User*)item;
if (user->GetIOHook() == 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.
ServerInstance->Users->QuitUser(user, "SSL module unloading");
user->DelIOHook();
}
if (user->GetExt("ssl_cert", dummy))
{
ssl_cert* tofree;
user->GetExt("ssl_cert", tofree);
delete tofree;
user->Shrink("ssl_cert");
}
}
}
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);
}
virtual const 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)
{
const char* ret = "OK";
try
{
ret = ISR->Sock->AddIOHook((Module*)this) ? "OK" : NULL;
}
catch (ModuleException &e)
{
return NULL;
}
return ret;
}
else if (strcmp("IS_UNHOOK", request->GetId()) == 0)
{
return ISR->Sock->DelIOHook() ? "OK" : NULL;
}
else if (strcmp("IS_HSDONE", request->GetId()) == 0)
{
if (ISR->Sock->GetFd() < 0)
return "OK";
issl_session* session = &sessions[ISR->Sock->GetFd()];
return (session->status == ISSL_HANDSHAKING) ? NULL : "OK";
}
else if (strcmp("IS_ATTACH", request->GetId()) == 0)
{
issl_session* session = &sessions[ISR->Sock->GetFd()];
if (session->sess)
{
VerifyCertificate(session, (BufferedSocket*)ISR->Sock);
return "OK";
}
}
else if (strcmp("GET_FP", request->GetId()) == 0)
{
if (ISR->Sock->GetFd() > -1)
{
issl_session* session = &sessions[ISR->Sock->GetFd()];
if (session->sess)
{
Extensible* ext = ISR->Sock;
ssl_cert* certinfo;
if (ext->GetExt("ssl_cert",certinfo))
return certinfo->GetFingerprint().c_str();
}
}
}
return NULL;
}
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 > ServerInstance->SE->GetMaxFds() - 1))
return;
issl_session* session = &sessions[fd];
session->fd = fd;
session->inbuf = new char[inbufsize];
session->inbufoffset = 0;
session->sess = SSL_new(ctx);
session->status = ISSL_NONE;
session->outbound = false;
if (session->sess == NULL)
return;
if (SSL_set_fd(session->sess, fd) == 0)
{
ServerInstance->Logs->Log("m_ssl_openssl",DEBUG,"BUG: Can't set fd with SSL_set_fd: %d", fd);
return;
}
Handshake(session);
}
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 > ServerInstance->SE->GetMaxFds() -1))
return;
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)
{
ServerInstance->Logs->Log("m_ssl_openssl",DEBUG,"BUG: Can't set fd with SSL_set_fd: %d", fd);
return;
}
Handshake(session);
}
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 > ServerInstance->SE->GetMaxFds() - 1))
return;
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)
{
/* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */
if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1))
return 0;
issl_session* session = &sessions[fd];
if (!session->sess)
{
readresult = 0;
CloseSession(session);
return 1;
}
if (session->status == ISSL_HANDSHAKING)
{
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))
{
// Couldn't resume handshake.
errno = session->status == ISSL_NONE ? EIO : EAGAIN;
return -1;
}
}
else
{
errno = EAGAIN;
return -1;
}
}
// If we resumed the handshake then session->status will be ISSL_OPEN
if (session->status == ISSL_OPEN)
{
if (session->wstat == ISSL_READ)
{
if(DoWrite(session) == 0)
return 0;
}
if (session->rstat == ISSL_READ)
{
int ret = DoRead(session);
if (ret > 0)
{
if (count <= session->inbufoffset)
{
memcpy(buffer, session->inbuf, count);
// Move the stuff left in inbuf to the beginning of it
memmove(session->inbuf, session->inbuf + count, (session->inbufoffset - count));
// Now we need to set session->inbufoffset to the amount of data still waiting to be handed to insp.
session->inbufoffset -= count;
// Insp uses readresult as the count of how much data there is in buffer, so:
readresult = count;
}
else
{
// 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;
}
return 1;
}
return ret;
}
}
return -1;
}
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 > ServerInstance->SE->GetMaxFds() - 1))
return 0;
errno = EAGAIN;
issl_session* session = &sessions[fd];
if (!session->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)
{
if (!Handshake(session))
{
// Couldn't resume handshake.
errno = session->status == ISSL_NONE ? EIO : EAGAIN;
return -1;
}
}
}
if (session->status == ISSL_OPEN)
{
if (session->rstat == ISSL_WRITE)
{
DoRead(session);
}
if (session->wstat == ISSL_WRITE)
{
return DoWrite(session);
}
}
return 1;
}
int DoWrite(issl_session* session)
{
if (!session->outbuf.size())
return -1;
int ret = SSL_write(session->sess, session->outbuf.data(), session->outbuf.size());
if (ret == 0)
{
CloseSession(session);
return 0;
}
else if (ret < 0)
{
int err = SSL_get_error(session->sess, ret);
if (err == SSL_ERROR_WANT_WRITE)
{
session->wstat = ISSL_WRITE;
return -1;
}
else if (err == SSL_ERROR_WANT_READ)
{
session->wstat = ISSL_READ;
return -1;
}
else
{
CloseSession(session);
return 0;
}
}
else
{
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.
int ret = SSL_read(session->sess, session->inbuf + session->inbufoffset, inbufsize - session->inbufoffset);
if (ret == 0)
{
// Client closed connection.
CloseSession(session);
return 0;
}
else if (ret < 0)
{
int err = SSL_get_error(session->sess, ret);
if (err == SSL_ERROR_WANT_READ)
{
session->rstat = ISSL_READ;
return -1;
}
else if (err == SSL_ERROR_WANT_WRITE)
{
session->rstat = ISSL_WRITE;
MakePollWrite(session);
return -1;
}
else
{
CloseSession(session);
return 0;
}
}
else
{
// Read successfully 'ret' bytes into inbuf + inbufoffset
// There are 'ret' + 'inbufoffset' bytes of data in 'inbuf'
// 'buffer' is 'count' long
session->inbufoffset += ret;
return ret;
}
}
bool Handshake(issl_session* session)
{
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)
{
session->rstat = ISSL_READ;
session->status = ISSL_HANDSHAKING;
return true;
}
else if (err == SSL_ERROR_WANT_WRITE)
{
session->wstat = ISSL_WRITE;
session->status = ISSL_HANDSHAKING;
MakePollWrite(session);
return true;
}
else
{
CloseSession(session);
}
return false;
}
else if (ret > 0)
{
// Handshake complete.
// This will do for setting the ssl flag...it could be done earlier if it's needed. But this seems neater.
EventHandler *u = ServerInstance->SE->GetRef(session->fd);
if (u)
{
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 OnPostConnect(User* user)
{
// This occurs AFTER OnUserConnect so we can be sure the
// protocol module has propagated the NICK message.
if ((user->GetIOHook() == this) && (IS_LOCAL(user)))
{
ssl_cert* certdata = VerifyCertificate(&sessions[user->GetFd()], user);
if (sessions[user->GetFd()].sess)
user->WriteServ("NOTICE %s :*** You are connected using SSL cipher \"%s\"", user->nick.c_str(), SSL_get_cipher(sessions[user->GetFd()].sess));
ServerInstance->PI->SendMetaData(user, TYPE_USER, "ssl", "ON");
if (certdata)
ServerInstance->PI->SendMetaData(user, TYPE_USER, "ssl_cert", certdata->GetMetaLine().c_str());
}
}
void MakePollWrite(issl_session* session)
{
//OnRawSocketWrite(session->fd, NULL, 0);
EventHandler* eh = ServerInstance->SE->GetRef(session->fd);
if (eh)
{
ServerInstance->SE->WantWrite(eh);
}
}
virtual void OnBufferFlushed(User* user)
{
if (user->GetIOHook() == this)
{
issl_session* session = &sessions[user->GetFd()];
if (session && session->outbuf.size())
OnRawSocketWrite(user->GetFd(), NULL, 0);
}
}
void CloseSession(issl_session* session)
{
if (session->sess)
{
SSL_shutdown(session->sess);
SSL_free(session->sess);
}
if (session->inbuf)
{
delete[] session->inbuf;
}
session->outbuf.clear();
session->inbuf = NULL;
session->sess = NULL;
session->status = ISSL_NONE;
errno = EIO;
}
ssl_cert* VerifyCertificate(issl_session* session, Extensible* user)
{
if (!session->sess || !user)
return NULL;
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->error = "Could not get peer certificate: "+std::string(get_error());
return certinfo;
}
certinfo->invalid = (SSL_get_verify_result(session->sess) != X509_V_OK);
if (SelfSigned)
{
certinfo->unknownsigner = false;
certinfo->trusted = true;
}
else
{
certinfo->unknownsigner = true;
certinfo->trusted = false;
}
certinfo->dn = X509_NAME_oneline(X509_get_subject_name(cert),0,0);
certinfo->issuer = X509_NAME_oneline(X509_get_issuer_name(cert),0,0);
if (!X509_digest(cert, digest, md, &n))
{
certinfo->error = "Out of memory generating fingerprint";
}
else
{
certinfo->fingerprint = irc::hex(md, n);
}
if ((ASN1_UTCTIME_cmp_time_t(X509_get_notAfter(cert), ServerInstance->Time()) == -1) || (ASN1_UTCTIME_cmp_time_t(X509_get_notBefore(cert), ServerInstance->Time()) == 0))
{
certinfo->error = "Not activated, or expired certificate";
}
X509_free(cert);
return certinfo;
}
void Prioritize()
{
Module* server = ServerInstance->Modules->Find("m_spanningtree.so");
ServerInstance->Modules->SetPriority(this, I_OnPostConnect, PRIORITY_AFTER, &server);
}
};
static int error_callback(const char *str, size_t len, void *u)
{
ModuleSSLOpenSSL* mssl = (ModuleSSLOpenSSL*)u;
mssl->PublicInstance->Logs->Log("m_ssl_openssl",DEFAULT, "SSL error: " + std::string(str, len - 1));
//
// XXX: Remove this line, it causes valgrind warnings...
//
// MD_update(&m, buf, j);
//
//
// ... ONLY JOKING! :-)
//
return 0;
}
MODULE_INIT(ModuleSSLOpenSSL)
