/// $CompilerFlags: find_compiler_flags("openssl")
/// $LinkerFlags: find_linker_flags("openssl" "-lssl -lcrypto")
+/// $PackageInfo: require_system("centos") openssl-devel pkgconfig
/// $PackageInfo: require_system("darwin") openssl pkg-config
-/// $PackageInfo: require_system("ubuntu" "16.04") libssl-dev openssl pkg-config
+/// $PackageInfo: require_system("debian") libssl-dev openssl pkg-config
+/// $PackageInfo: require_system("ubuntu") libssl-dev openssl pkg-config
#include "inspircd.h"
#include <openssl/ssl.h>
#include <openssl/err.h>
+#include <openssl/dh.h>
#ifdef _WIN32
# pragma comment(lib, "ssleay32.lib")
# pragma comment(lib, "libeay32.lib")
#endif
-#if ((OPENSSL_VERSION_NUMBER >= 0x10000000L) && (!(defined(OPENSSL_NO_ECDH))))
-// OpenSSL 0.9.8 includes some ECC support, but it's unfinished. Enable only for 1.0.0 and later.
-#define INSPIRCD_OPENSSL_ENABLE_ECDH
+// Compatibility layer to allow OpenSSL 1.0 to use the 1.1 API.
+#if ((defined LIBRESSL_VERSION_NUMBER) || (OPENSSL_VERSION_NUMBER < 0x10100000L))
+
+// BIO is opaque in OpenSSL 1.1 but the access API does not exist in 1.0.
+# define BIO_get_data(BIO) BIO->ptr
+# define BIO_set_data(BIO, VALUE) BIO->ptr = VALUE;
+# define BIO_set_init(BIO, VALUE) BIO->init = VALUE;
+
+// These functions have been renamed in OpenSSL 1.1.
+# define OpenSSL_version SSLeay_version
+# define X509_getm_notAfter X509_get_notAfter
+# define X509_getm_notBefore X509_get_notBefore
+# define OPENSSL_init_ssl(OPTIONS, SETTINGS) \
+ SSL_library_init(); \
+ SSL_load_error_strings();
+
+// These macros have been renamed in OpenSSL 1.1.
+# define OPENSSL_VERSION SSLEAY_VERSION
+
+#else
+# define INSPIRCD_OPENSSL_OPAQUE_BIO
#endif
enum issl_status { ISSL_NONE, ISSL_HANDSHAKING, ISSL_OPEN };
{
// Sane default options for OpenSSL see https://www.openssl.org/docs/ssl/SSL_CTX_set_options.html
// and when choosing a cipher, use the server's preferences instead of the client preferences.
- long opts = SSL_OP_NO_SSLv2 | SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION | SSL_OP_CIPHER_SERVER_PREFERENCE | SSL_OP_SINGLE_DH_USE;
+ long opts = SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 | SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION | SSL_OP_CIPHER_SERVER_PREFERENCE | SSL_OP_SINGLE_DH_USE;
// Only turn options on if they exist
#ifdef SSL_OP_SINGLE_ECDH_USE
opts |= SSL_OP_SINGLE_ECDH_USE;
return (SSL_CTX_set_tmp_dh(ctx, dh.get()) >= 0);
}
-#ifdef INSPIRCD_OPENSSL_ENABLE_ECDH
+#ifndef OPENSSL_NO_ECDH
void SetECDH(const std::string& curvename)
{
int nid = OBJ_sn2nid(curvename.c_str());
return SSL_CTX_load_verify_locations(ctx, filename.c_str(), 0);
}
+ void SetCRL(const std::string& crlfile, const std::string& crlpath, const std::string& crlmode)
+ {
+ if (crlfile.empty() && crlpath.empty())
+ return;
+
+ /* Set CRL mode */
+ unsigned long crlflags = X509_V_FLAG_CRL_CHECK;
+ if (stdalgo::string::equalsci(crlmode, "chain"))
+ {
+ crlflags |= X509_V_FLAG_CRL_CHECK_ALL;
+ }
+ else if (!stdalgo::string::equalsci(crlmode, "leaf"))
+ {
+ throw ModuleException("Unknown mode '" + crlmode + "'; expected either 'chain' (default) or 'leaf'");
+ }
+
+ /* Load CRL files */
+ X509_STORE* store = SSL_CTX_get_cert_store(ctx);
+ if (!store)
+ {
+ throw ModuleException("Unable to get X509_STORE from SSL context; this should never happen");
+ }
+ ERR_clear_error();
+ if (!X509_STORE_load_locations(store,
+ crlfile.empty() ? NULL : crlfile.c_str(),
+ crlpath.empty() ? NULL : crlpath.c_str()))
+ {
+ int err = ERR_get_error();
+ throw ModuleException("Unable to load CRL file '" + crlfile + "' or CRL path '" + crlpath + "': '" + (err ? ERR_error_string(err, NULL) : "unknown") + "'");
+ }
+
+ /* Set CRL mode */
+ if (X509_STORE_set_flags(store, crlflags) != 1)
+ {
+ throw ModuleException("Unable to set X509 CRL flags");
+ }
+ }
+
+
long GetDefaultContextOptions() const
{
return ctx_options;
}
};
- class Profile : public refcountbase
+ class Profile
{
/** Name of this profile
*/
*/
void SetContextOptions(const std::string& ctxname, ConfigTag* tag, Context& context)
{
- long setoptions = tag->getInt(ctxname + "setoptions");
- long clearoptions = tag->getInt(ctxname + "clearoptions");
+ long setoptions = tag->getInt(ctxname + "setoptions", 0);
+ long clearoptions = tag->getInt(ctxname + "clearoptions", 0);
#ifdef SSL_OP_NO_COMPRESSION
if (!tag->getBool("compression", false)) // Disable compression by default
setoptions |= SSL_OP_NO_COMPRESSION;
#endif
- if (!tag->getBool("sslv3", false)) // Disable SSLv3 by default
- setoptions |= SSL_OP_NO_SSLv3;
- if (!tag->getBool("tlsv1", true))
+ // Disable TLSv1.0 by default.
+ if (!tag->getBool("tlsv1", false))
setoptions |= SSL_OP_NO_TLSv1;
if (!setoptions && !clearoptions)
public:
Profile(const std::string& profilename, ConfigTag* tag)
: name(profilename)
- , dh(ServerInstance->Config->Paths.PrependConfig(tag->getString("dhfile", "dh.pem")))
+ , dh(ServerInstance->Config->Paths.PrependConfig(tag->getString("dhfile", "dhparams.pem")))
, ctx(SSL_CTX_new(SSLv23_server_method()))
, clictx(SSL_CTX_new(SSLv23_client_method()))
, allowrenego(tag->getBool("renegotiation")) // Disallow by default
- , outrecsize(tag->getInt("outrecsize", 2048, 512, 16384))
+ , outrecsize(tag->getUInt("outrecsize", 2048, 512, 16384))
{
if ((!ctx.SetDH(dh)) || (!clictx.SetDH(dh)))
throw Exception("Couldn't set DH parameters");
}
}
-#ifdef INSPIRCD_OPENSSL_ENABLE_ECDH
+#ifndef OPENSSL_NO_ECDH
std::string curvename = tag->getString("ecdhcurve", "prime256v1");
if (!curvename.empty())
ctx.SetECDH(curvename);
ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Can't read CA list from %s. This is only a problem if you want to verify client certificates, otherwise it's safe to ignore this message. Error: %s", filename.c_str(), lasterr.c_str());
}
+ // Load the CRLs.
+ std::string crlfile = tag->getString("crlfile");
+ std::string crlpath = tag->getString("crlpath");
+ std::string crlmode = tag->getString("crlmode", "chain");
+ ctx.SetCRL(crlfile, crlpath, crlmode);
+
clictx.SetVerifyCert();
if (tag->getBool("requestclientcert", true))
ctx.SetVerifyCert();
{
static int create(BIO* bio)
{
- bio->init = 1;
+ BIO_set_init(bio, 1);
return 1;
}
static int read(BIO* bio, char* buf, int len);
static int write(BIO* bio, const char* buf, int len);
+
+#ifdef INSPIRCD_OPENSSL_OPAQUE_BIO
+ static BIO_METHOD* alloc()
+ {
+ BIO_METHOD* meth = BIO_meth_new(100 | BIO_TYPE_SOURCE_SINK, "inspircd");
+ BIO_meth_set_write(meth, OpenSSL::BIOMethod::write);
+ BIO_meth_set_read(meth, OpenSSL::BIOMethod::read);
+ BIO_meth_set_ctrl(meth, OpenSSL::BIOMethod::ctrl);
+ BIO_meth_set_create(meth, OpenSSL::BIOMethod::create);
+ BIO_meth_set_destroy(meth, OpenSSL::BIOMethod::destroy);
+ return meth;
+ }
+#endif
}
}
+// BIO_METHOD is opaque in OpenSSL 1.1 so we can't do this.
+// See OpenSSL::BIOMethod::alloc for the new method.
+#ifndef INSPIRCD_OPENSSL_OPAQUE_BIO
static BIO_METHOD biomethods =
{
(100 | BIO_TYPE_SOURCE_SINK),
OpenSSL::BIOMethod::destroy, // destroy, does nothing, see function body for more info
NULL // callback_ctrl
};
+#else
+static BIO_METHOD* biomethods;
+#endif
static int OnVerify(int preverify_ok, X509_STORE_CTX *ctx)
{
SSL* sess;
issl_status status;
bool data_to_write;
- reference<OpenSSL::Profile> profile;
// Returns 1 if handshake succeeded, 0 if it is still in progress, -1 if it failed
int Handshake(StreamSocket* user)
if (certinfo->issuer.find_first_of("\r\n") != std::string::npos)
certinfo->issuer.clear();
- if (!X509_digest(cert, profile->GetDigest(), md, &n))
+ if (!X509_digest(cert, GetProfile().GetDigest(), md, &n))
{
certinfo->error = "Out of memory generating fingerprint";
}
certinfo->fingerprint = BinToHex(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))
+ if ((ASN1_UTCTIME_cmp_time_t(X509_getm_notAfter(cert), ServerInstance->Time()) == -1) || (ASN1_UTCTIME_cmp_time_t(X509_getm_notBefore(cert), ServerInstance->Time()) == 0))
{
certinfo->error = "Not activated, or expired certificate";
}
{
if ((where & SSL_CB_HANDSHAKE_START) && (status == ISSL_OPEN))
{
- if (profile->AllowRenegotiation())
+ if (GetProfile().AllowRenegotiation())
return;
// The other side is trying to renegotiate, kill the connection and change status
// to ISSL_NONE so CheckRenego() closes the session
status = ISSL_NONE;
BIO* bio = SSL_get_rbio(sess);
- EventHandler* eh = static_cast<StreamSocket*>(bio->ptr);
+ EventHandler* eh = static_cast<StreamSocket*>(BIO_get_data(bio));
SocketEngine::Shutdown(eh, 2);
}
}
friend void StaticSSLInfoCallback(const SSL* ssl, int where, int rc);
public:
- OpenSSLIOHook(IOHookProvider* hookprov, StreamSocket* sock, SSL* session, const reference<OpenSSL::Profile>& sslprofile)
+ OpenSSLIOHook(IOHookProvider* hookprov, StreamSocket* sock, SSL* session)
: SSLIOHook(hookprov)
, sess(session)
, status(ISSL_NONE)
, data_to_write(false)
- , profile(sslprofile)
{
// Create BIO instance and store a pointer to the socket in it which will be used by the read and write functions
+#ifdef INSPIRCD_OPENSSL_OPAQUE_BIO
+ BIO* bio = BIO_new(biomethods);
+#else
BIO* bio = BIO_new(&biomethods);
- bio->ptr = sock;
+#endif
+ BIO_set_data(bio, sock);
SSL_set_bio(sess, bio, bio);
SSL_set_ex_data(sess, exdataindex, this);
while (!sendq.empty())
{
ERR_clear_error();
- FlattenSendQueue(sendq, profile->GetOutgoingRecordSize());
+ FlattenSendQueue(sendq, GetProfile().GetOutgoingRecordSize());
const StreamSocket::SendQueue::Element& buffer = sendq.front();
int ret = SSL_write(sess, buffer.data(), buffer.size());
out.append(SSL_get_cipher(sess));
}
+ bool GetServerName(std::string& out) const CXX11_OVERRIDE
+ {
+ const char* name = SSL_get_servername(sess, TLSEXT_NAMETYPE_host_name);
+ if (!name)
+ return false;
+
+ out.append(name);
+ return true;
+ }
+
bool IsHandshakeDone() const { return (status == ISSL_OPEN); }
+ OpenSSL::Profile& GetProfile();
};
static void StaticSSLInfoCallback(const SSL* ssl, int where, int rc)
{
BIO_clear_retry_flags(bio);
- StreamSocket* sock = static_cast<StreamSocket*>(bio->ptr);
+ StreamSocket* sock = static_cast<StreamSocket*>(BIO_get_data(bio));
if (sock->GetEventMask() & FD_WRITE_WILL_BLOCK)
{
// Writes blocked earlier, don't retry syscall
{
BIO_clear_retry_flags(bio);
- StreamSocket* sock = static_cast<StreamSocket*>(bio->ptr);
+ StreamSocket* sock = static_cast<StreamSocket*>(BIO_get_data(bio));
if (sock->GetEventMask() & FD_READ_WILL_BLOCK)
{
// Reads blocked earlier, don't retry syscall
return ret;
}
-class OpenSSLIOHookProvider : public refcountbase, public IOHookProvider
+class OpenSSLIOHookProvider : public IOHookProvider
{
- reference<OpenSSL::Profile> profile;
+ OpenSSL::Profile profile;
public:
- OpenSSLIOHookProvider(Module* mod, reference<OpenSSL::Profile>& prof)
- : IOHookProvider(mod, "ssl/" + prof->GetName(), IOHookProvider::IOH_SSL)
- , profile(prof)
+ OpenSSLIOHookProvider(Module* mod, const std::string& profilename, ConfigTag* tag)
+ : IOHookProvider(mod, "ssl/" + profilename, IOHookProvider::IOH_SSL)
+ , profile(profilename, tag)
{
ServerInstance->Modules->AddService(*this);
}
void OnAccept(StreamSocket* sock, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server) CXX11_OVERRIDE
{
- new OpenSSLIOHook(this, sock, profile->CreateServerSession(), profile);
+ new OpenSSLIOHook(this, sock, profile.CreateServerSession());
}
void OnConnect(StreamSocket* sock) CXX11_OVERRIDE
{
- new OpenSSLIOHook(this, sock, profile->CreateClientSession(), profile);
+ new OpenSSLIOHook(this, sock, profile.CreateClientSession());
}
+
+ OpenSSL::Profile& GetProfile() { return profile; }
};
+OpenSSL::Profile& OpenSSLIOHook::GetProfile()
+{
+ IOHookProvider* hookprov = prov;
+ return static_cast<OpenSSLIOHookProvider*>(hookprov)->GetProfile();
+}
+
class ModuleSSLOpenSSL : public Module
{
typedef std::vector<reference<OpenSSLIOHookProvider> > ProfileList;
try
{
- reference<OpenSSL::Profile> profile(new OpenSSL::Profile(defname, tag));
- newprofiles.push_back(new OpenSSLIOHookProvider(this, profile));
+ newprofiles.push_back(new OpenSSLIOHookProvider(this, defname, tag));
}
catch (OpenSSL::Exception& ex)
{
for (ConfigIter i = tags.first; i != tags.second; ++i)
{
ConfigTag* tag = i->second;
- if (tag->getString("provider") != "openssl")
+ if (!stdalgo::string::equalsci(tag->getString("provider"), "openssl"))
continue;
std::string name = tag->getString("name");
continue;
}
- reference<OpenSSL::Profile> profile;
+ reference<OpenSSLIOHookProvider> prov;
try
{
- profile = new OpenSSL::Profile(name, tag);
+ prov = new OpenSSLIOHookProvider(this, name, tag);
}
catch (CoreException& ex)
{
throw ModuleException("Error while initializing SSL profile \"" + name + "\" at " + tag->getTagLocation() + " - " + ex.GetReason());
}
- newprofiles.push_back(new OpenSSLIOHookProvider(this, profile));
+ newprofiles.push_back(prov);
+ }
+
+ for (ProfileList::iterator i = profiles.begin(); i != profiles.end(); ++i)
+ {
+ OpenSSLIOHookProvider& prov = **i;
+ ServerInstance->Modules.DelService(prov);
}
profiles.swap(newprofiles);
ModuleSSLOpenSSL()
{
// Initialize OpenSSL
- SSL_library_init();
- SSL_load_error_strings();
+ OPENSSL_init_ssl(0, NULL);
+#ifdef INSPIRCD_OPENSSL_OPAQUE_BIO
+ biomethods = OpenSSL::BIOMethod::alloc();
+ }
+
+ ~ModuleSSLOpenSSL()
+ {
+ BIO_meth_free(biomethods);
+#endif
}
void init() CXX11_OVERRIDE
{
- ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "OpenSSL lib version \"%s\" module was compiled for \"" OPENSSL_VERSION_TEXT "\"", SSLeay_version(SSLEAY_VERSION));
+ ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "OpenSSL lib version \"%s\" module was compiled for \"" OPENSSL_VERSION_TEXT "\"", OpenSSL_version(OPENSSL_VERSION));
// Register application specific data
char exdatastr[] = "inspircd";
}
}
- void OnCleanup(int target_type, void* item) CXX11_OVERRIDE
+ void OnCleanup(ExtensionItem::ExtensibleType type, Extensible* item) CXX11_OVERRIDE
{
- if (target_type == TYPE_USER)
+ if (type == ExtensionItem::EXT_USER)
{
LocalUser* user = IS_LOCAL((User*)item);
Version GetVersion() CXX11_OVERRIDE
{
- return Version("Provides SSL support for clients", VF_VENDOR);
+ return Version("Provides SSL support via OpenSSL", VF_VENDOR);
}
};
projects / user / henk / code / inspircd.git / blobdiff