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working on #672

NOTE: This commit can't be compiled!!
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Yehonal
2017-10-12 20:00:52 +02:00
parent 4df28fd29c
commit f06f32849f
2508 changed files with 0 additions and 1325 deletions
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795
deps/acelite/ace/SSL/SSL_Context.cpp vendored Normal file
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#include "SSL_Context.h"
#include "sslconf.h"
#if !defined(__ACE_INLINE__)
#include "SSL_Context.inl"
#endif /* __ACE_INLINE__ */
#include "ace/Guard_T.h"
#include "ace/Object_Manager.h"
#include "ace/Log_Category.h"
#include "ace/Singleton.h"
#include "ace/Synch_Traits.h"
#include "ace/Truncate.h"
#include "ace/ACE.h"
#include "ace/INET_Addr.h"
#include "ace/OS_NS_errno.h"
#include "ace/OS_NS_string.h"
#include "ace/OS_NS_ctype.h"
#ifdef ACE_HAS_THREADS
# include "ace/Thread_Mutex.h"
# include "ace/OS_NS_Thread.h"
#endif /* ACE_HAS_THREADS */
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/err.h>
#include <openssl/rand.h>
#include <openssl/safestack.h>
namespace
{
/// Reference count of the number of times the ACE_SSL_Context was
/// initialized.
int ssl_library_init_count = 0;
// @@ This should also be done with a singleton, otherwise it is not
// thread safe and/or portable to some weird platforms...
#ifdef ACE_HAS_THREADS
/// Array of mutexes used internally by OpenSSL when the SSL
/// application is multithreaded.
ACE_SSL_Context::lock_type * ssl_locks = 0;
// @@ This should also be managed by a singleton.
#endif
}
#ifdef ACE_HAS_THREADS
# if (defined (ACE_HAS_VERSIONED_NAMESPACE) && ACE_HAS_VERSIONED_NAMESPACE == 1)
# define ACE_SSL_LOCKING_CALLBACK_NAME ACE_PREPROC_CONCATENATE(ACE_VERSIONED_NAMESPACE_NAME, _ACE_SSL_locking_callback)
# define ACE_SSL_THREAD_ID_NAME ACE_PREPROC_CONCATENATE(ACE_VERSIONED_NAMESPACE_NAME, _ACE_SSL_thread_id)
# else
# define ACE_SSL_LOCKING_CALLBACK_NAME ACE_SSL_locking_callback
# define ACE_SSL_THREAD_ID_NAME ACE_SSL_thread_id
# endif /* ACE_HAS_VERSIONED_NAMESPACE == 1 */
extern "C"
{
void
ACE_SSL_LOCKING_CALLBACK_NAME (int mode,
int type,
const char * /* file */,
int /* line */)
{
// #ifdef undef
// fprintf(stderr,"thread=%4d mode=%s lock=%s %s:%d\n",
// CRYPTO_thread_id(),
// (mode&CRYPTO_LOCK)?"l":"u",
// (type&CRYPTO_READ)?"r":"w",file,line);
// #endif
// /*
// if (CRYPTO_LOCK_SSL_CERT == type)
// fprintf(stderr,"(t,m,f,l) %ld %d %s %d\n",
// CRYPTO_thread_id(),
// mode,file,line);
// */
if (mode & CRYPTO_LOCK)
(void) ssl_locks[type].acquire ();
else
(void) ssl_locks[type].release ();
}
// -------------------------------
// Return the current thread ID. OpenSSL uses this on platforms
// that need it.
unsigned long
ACE_SSL_THREAD_ID_NAME (void)
{
return (unsigned long) ACE_VERSIONED_NAMESPACE_NAME::ACE_OS::thr_self ();
}
}
#endif /* ACE_HAS_THREADS */
// ****************************************************************
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
#ifdef ACE_HAS_THREADS
ACE_SSL_Context::lock_type * ACE_SSL_Context::locks_ = 0;
#endif /* ACE_HAS_THREADS */
ACE_SSL_Context::ACE_SSL_Context (void)
: context_ (0),
mode_ (-1),
default_verify_mode_ (SSL_VERIFY_NONE),
default_verify_callback_ (0),
have_ca_ (0)
{
ACE_SSL_Context::ssl_library_init ();
}
ACE_SSL_Context::~ACE_SSL_Context (void)
{
if (this->context_)
{
::SSL_CTX_free (this->context_);
this->context_ = 0;
}
ACE_SSL_Context::ssl_library_fini ();
}
ACE_SSL_Context *
ACE_SSL_Context::instance (void)
{
return ACE_Unmanaged_Singleton<ACE_SSL_Context, ACE_SYNCH_MUTEX>::instance ();
}
void
ACE_SSL_Context::ssl_library_init (void)
{
ACE_MT (ACE_GUARD (ACE_Recursive_Thread_Mutex,
ace_ssl_mon,
*ACE_Static_Object_Lock::instance ()));
if (ssl_library_init_count == 0)
{
// Initialize the locking callbacks before initializing anything
// else.
#ifdef ACE_HAS_THREADS
int const num_locks = ::CRYPTO_num_locks ();
this->locks_ = new lock_type[num_locks];
ssl_locks = this->locks_;
# if !defined (WIN32)
// This call isn't necessary on some platforms. See the CRYPTO
// library's threads(3) man page for details.
::CRYPTO_set_id_callback (ACE_SSL_THREAD_ID_NAME);
# endif /* !WIN32 */
::CRYPTO_set_locking_callback (ACE_SSL_LOCKING_CALLBACK_NAME);
#endif /* ACE_HAS_THREADS */
::SSLeay_add_ssl_algorithms ();
::SSL_load_error_strings ();
// Seed the random number generator. Note that the random
// number generator can be seeded more than once to "stir" its
// state.
#ifdef WIN32
// Seed the random number generator by sampling the screen.
::RAND_screen ();
#endif /* WIN32 */
#if OPENSSL_VERSION_NUMBER >= 0x00905100L
// OpenSSL < 0.9.5 doesn't have EGD support.
const char *egd_socket_file =
ACE_OS::getenv (ACE_SSL_EGD_FILE_ENV);
if (egd_socket_file != 0)
(void) this->egd_file (egd_socket_file);
#endif /* OPENSSL_VERSION_NUMBER */
const char *rand_file = ACE_OS::getenv (ACE_SSL_RAND_FILE_ENV);
if (rand_file != 0)
{
(void) this->seed_file (rand_file);
}
// Initialize the mutexes that will be used by the SSL and
// crypto library.
}
++ssl_library_init_count;
}
void
ACE_SSL_Context::ssl_library_fini (void)
{
ACE_MT (ACE_GUARD (ACE_Recursive_Thread_Mutex,
ace_ssl_mon,
*ACE_Static_Object_Lock::instance ()));
--ssl_library_init_count;
if (ssl_library_init_count == 0)
{
::ERR_free_strings ();
::EVP_cleanup ();
// Clean up the locking callbacks after everything else has been
// cleaned up.
#ifdef ACE_HAS_THREADS
::CRYPTO_set_locking_callback (0);
ssl_locks = 0;
delete [] this->locks_;
this->locks_ = 0;
#endif /* ACE_HAS_THREADS */
}
}
int
ACE_SSL_Context::set_mode (int mode)
{
ACE_MT (ACE_GUARD_RETURN (ACE_Recursive_Thread_Mutex,
ace_ssl_mon,
*ACE_Static_Object_Lock::instance (),
-1));
if (this->context_ != 0)
return -1;
#if OPENSSL_VERSION_NUMBER >= 0x10000002
const SSL_METHOD *method = 0;
#else
SSL_METHOD *method = 0;
#endif
switch (mode)
{
#if !defined (OPENSSL_NO_SSL2)
case ACE_SSL_Context::SSLv2_client:
method = ::SSLv2_client_method ();
break;
case ACE_SSL_Context::SSLv2_server:
method = ::SSLv2_server_method ();
break;
case ACE_SSL_Context::SSLv2:
method = ::SSLv2_method ();
break;
#endif /* OPENSSL_NO_SSL2 */
case ACE_SSL_Context::SSLv3_client:
method = ::SSLv3_client_method ();
break;
case ACE_SSL_Context::SSLv3_server:
method = ::SSLv3_server_method ();
break;
case ACE_SSL_Context::SSLv3:
method = ::SSLv3_method ();
break;
case ACE_SSL_Context::SSLv23_client:
method = ::SSLv23_client_method ();
break;
case ACE_SSL_Context::SSLv23_server:
method = ::SSLv23_server_method ();
break;
case ACE_SSL_Context::SSLv23:
method = ::SSLv23_method ();
break;
case ACE_SSL_Context::TLSv1_client:
method = ::TLSv1_client_method ();
break;
case ACE_SSL_Context::TLSv1_server:
method = ::TLSv1_server_method ();
break;
case ACE_SSL_Context::TLSv1:
method = ::TLSv1_method ();
break;
#if defined(TLS1_1_VERSION) && (TLS_MAX_VERSION >= TLS1_1_VERSION)
case ACE_SSL_Context::TLSv1_1_client:
method = ::TLSv1_1_client_method ();
break;
case ACE_SSL_Context::TLSv1_1_server:
method = ::TLSv1_1_server_method ();
break;
case ACE_SSL_Context::TLSv1_1:
method = ::TLSv1_1_method ();
break;
#endif
#if defined(TLS1_2_VERSION) && (TLS_MAX_VERSION >= TLS1_2_VERSION)
case ACE_SSL_Context::TLSv1_2_client:
method = ::TLSv1_2_client_method ();
break;
case ACE_SSL_Context::TLSv1_2_server:
method = ::TLSv1_2_server_method ();
break;
case ACE_SSL_Context::TLSv1_2:
method = ::TLSv1_2_method ();
break;
#endif
default:
method = ::SSLv3_method ();
break;
}
this->context_ = ::SSL_CTX_new (method);
if (this->context_ == 0)
return -1;
this->mode_ = mode;
// Load the trusted certificate authority (default) certificate
// locations. But do not return -1 on error, doing so confuses CTX
// allocation (severe error) with the less important loading of CA
// certificate location error. If it is important for your
// application then call ACE_SSL_Context::have_trusted_ca(),
// immediately following this call to set_mode().
(void) this->load_trusted_ca ();
return 0;
}
int
ACE_SSL_Context::filter_versions (const char* versionlist)
{
this->check_context ();
ACE_CString vlist = versionlist;
ACE_CString seplist = " ,;";
ACE_CString::size_type pos = 0;
bool match = false;
for (; pos < vlist.length (); pos++)
{
vlist[pos] = ACE_OS::ace_tolower (vlist[pos]);
}
#if defined (SSL_OP_NO_SSLv2)
pos = vlist.find("sslv2");
match = pos != ACE_CString::npos &&
(pos == vlist.length () - 5 ||
seplist.find (vlist[pos + 5]) != ACE_CString::npos);
if (!match)
{
::SSL_CTX_set_options (this->context_, SSL_OP_NO_SSLv2);
}
#endif /* SSL_OP_NO_SSLv2 */
#if defined (SSL_OP_NO_SSLv3)
pos = vlist.find("sslv3");
match = pos != ACE_CString::npos &&
(pos == vlist.length () - 5 ||
seplist.find (vlist[pos + 5]) != ACE_CString::npos);
if (!match)
{
::SSL_CTX_set_options (this->context_, SSL_OP_NO_SSLv3);
}
#endif /* SSL_OP_NO_SSLv3 */
#if defined (SSL_OP_NO_TLSv1)
pos = vlist.find("tlsv1");
match = pos != ACE_CString::npos &&
(pos == vlist.length () - 5 ||
seplist.find (vlist[pos + 5]) != ACE_CString::npos);
if (!match)
{
::SSL_CTX_set_options (this->context_, SSL_OP_NO_TLSv1);
}
#endif /* SSL_OP_NO_TLSv1 */
#if defined (SSL_OP_NO_TLSv1_1)
pos = vlist.find("tlsv1.1");
match = pos != ACE_CString::npos &&
(pos == vlist.length () - 7 ||
seplist.find (vlist[pos + 7]) != ACE_CString::npos);
if (!match)
{
::SSL_CTX_set_options (this->context_, SSL_OP_NO_TLSv1_1);
}
#endif /* SSL_OP_NO_TLSv1_1 */
#if defined (SSL_OP_NO_TLSv1_2)
pos = vlist.find("tlsv1.2");
match = pos != ACE_CString::npos &&
(pos == vlist.length () - 7 ||
seplist.find (vlist[pos + 7]) != ACE_CString::npos);
if (!match)
{
::SSL_CTX_set_options (this->context_, SSL_OP_NO_TLSv1_2);
}
#endif /* SSL_OP_NO_TLSv1_2 */
return 0;
}
bool
ACE_SSL_Context::check_host (const ACE_INET_Addr &host, SSL *peerssl)
{
#if defined (OPENSSL_VERSION_NUMBER) && (OPENSSL_VERSION_NUMBER >= 0x10002001L)
this->check_context ();
int result = 0;
char name[MAXHOSTNAMELEN+1];
if (peerssl == 0 || host.get_host_name (name, MAXHOSTNAMELEN) == -1)
{
return false;
}
X509* cert = ::SSL_get_peer_certificate (peerssl);
if (cert == 0)
{
return false;
}
char *peer = 0;
char **peerarg = ACE::debug () ? &peer : 0;
int flags = X509_CHECK_FLAG_ALWAYS_CHECK_SUBJECT;
size_t len = ACE_OS::strlen (name);
result = ::X509_check_host (cert, name, len, flags, peerarg);
if (ACE::debug ())
{
ACELIB_DEBUG ((LM_DEBUG,
ACE_TEXT ("ACE (%P|%t) SSL_Context::check_host ")
ACE_TEXT ("name <%s> returns %d, peer <%s>\n"),
name, result, peer));
}
if (peer != 0)
{
::OPENSSL_free (peer);
}
::X509_free (cert);
return result == 1;
#else
ACE_UNUSED_ARG (host);
ACE_UNUSED_ARG (peerssl);
return false;
#endif /* OPENSSL_VERSION_NUMBER */
}
int
ACE_SSL_Context::load_trusted_ca (const char* ca_file,
const char* ca_dir,
bool use_env_defaults)
{
this->check_context ();
if (ca_file == 0 && use_env_defaults)
{
// Use the default environment settings.
ca_file = ACE_OS::getenv (ACE_SSL_CERT_FILE_ENV);
#ifdef ACE_DEFAULT_SSL_CERT_FILE
if (ca_file == 0)
ca_file = ACE_DEFAULT_SSL_CERT_FILE;
#endif
}
if (ca_dir == 0 && use_env_defaults)
{
// Use the default environment settings.
ca_dir = ACE_OS::getenv (ACE_SSL_CERT_DIR_ENV);
#ifdef ACE_DEFAULT_SSL_CERT_DIR
if (ca_dir == 0)
ca_dir = ACE_DEFAULT_SSL_CERT_DIR;
#endif
}
// NOTE: SSL_CTX_load_verify_locations() returns 0 on error.
if (::SSL_CTX_load_verify_locations (this->context_,
ca_file,
ca_dir) <= 0)
{
if (ACE::debug ())
ACE_SSL_Context::report_error ();
return -1;
}
++this->have_ca_;
// For TLS/SSL servers scan all certificates in ca_file and ca_dir and
// list them as acceptable CAs when requesting a client certificate.
if (mode_ == SSLv23
|| mode_ == SSLv23_server
|| mode_ == TLSv1
|| mode_ == TLSv1_server
#if !defined (OPENSSL_NO_SSL2)
|| mode_ == SSLv2
|| mode_ == SSLv2_server
#endif /* !OPENSSL_NO_SSL2 */
|| mode_ == SSLv3
|| mode_ == SSLv3_server)
{
// Note: The STACK_OF(X509_NAME) pointer is a copy of the pointer in
// the CTX; any changes to it by way of these function calls will
// change the CTX directly.
STACK_OF (X509_NAME) * cert_names = 0;
cert_names = ::SSL_CTX_get_client_CA_list (this->context_);
bool error = false;
// Add CAs from both the file and dir, if specified. There should
// already be a STACK_OF(X509_NAME) in the CTX, but if not, we create
// one.
if (ca_file)
{
if (cert_names == 0)
{
if ((cert_names = ::SSL_load_client_CA_file (ca_file)) != 0)
::SSL_CTX_set_client_CA_list (this->context_, cert_names);
else
error = true;
}
else
{
// Add new certificate names to the list.
error = (0 == ::SSL_add_file_cert_subjects_to_stack (cert_names,
ca_file));
}
if (error)
{
if (ACE::debug ())
ACE_SSL_Context::report_error ();
return -1;
}
}
// SSL_add_dir_cert_subjects_to_stack is defined at 0.9.8a (but not
// on OpenVMS or Mac Classic); it may be available earlier. Change
// this comparison if so. It's still (1.0.1g) broken on windows too.
#if defined (OPENSSL_VERSION_NUMBER) && (OPENSSL_VERSION_NUMBER >= 0x0090801fL)
# if !defined (OPENSSL_SYS_VMS) && !defined (OPENSSL_SYS_MACINTOSH_CLASSIC)
# if !defined (OPENSSL_SYS_WIN32)
if (ca_dir != 0)
{
if (cert_names == 0)
{
if ((cert_names = sk_X509_NAME_new_null ()) == 0)
{
if (ACE::debug ())
ACE_SSL_Context::report_error ();
return -1;
}
::SSL_CTX_set_client_CA_list (this->context_, cert_names);
}
if (0 == ::SSL_add_dir_cert_subjects_to_stack (cert_names, ca_dir))
{
if (ACE::debug ())
ACE_SSL_Context::report_error ();
return -1;
}
}
# endif /* !OPENSSL_SYS_WIN32 */
# endif /* !OPENSSL_SYS_VMS && !OPENSSL_SYS_MACINTOSH_CLASSIC */
#endif /* OPENSSL_VERSION_NUMBER >= 0.9.8a release */
}
return 0;
}
int
ACE_SSL_Context::private_key (const char *file_name,
int type)
{
if (this->private_key_.type () != -1)
return 0;
this->check_context ();
this->private_key_ = ACE_SSL_Data_File (file_name, type);
if (::SSL_CTX_use_PrivateKey_file (this->context_,
this->private_key_.file_name (),
this->private_key_.type ()) <= 0)
{
this->private_key_ = ACE_SSL_Data_File ();
return -1;
}
else
return this->verify_private_key ();
}
int
ACE_SSL_Context::verify_private_key (void)
{
this->check_context ();
return (::SSL_CTX_check_private_key (this->context_) <= 0 ? -1 : 0);
}
int
ACE_SSL_Context::certificate (const char *file_name,
int type)
{
if (this->certificate_.type () != -1)
return 0;
this->certificate_ = ACE_SSL_Data_File (file_name, type);
this->check_context ();
if (::SSL_CTX_use_certificate_file (this->context_,
this->certificate_.file_name (),
this->certificate_.type ()) <= 0)
{
this->certificate_ = ACE_SSL_Data_File ();
return -1;
}
else
return 0;
}
int
ACE_SSL_Context::certificate (X509* cert)
{
// Is it really a good idea to return 0 if we're not setting the
// certificate?
if (this->certificate_.type () != -1)
return 0;
this->check_context();
if (::SSL_CTX_use_certificate (this->context_, cert) <= 0)
{
return -1;
}
else
{
// No file is associated with the certificate, set this to a fictional
// value so we don't reset it later.
this->certificate_ = ACE_SSL_Data_File ("MEMORY CERTIFICATE");
return 0;
}
}
void
ACE_SSL_Context::set_verify_peer (int strict, int once, int depth)
{
this->check_context ();
// Setup the peer verififcation mode.
int verify_mode = SSL_VERIFY_PEER;
if (once)
verify_mode |= SSL_VERIFY_CLIENT_ONCE;
if (strict)
verify_mode |= SSL_VERIFY_FAIL_IF_NO_PEER_CERT;
// set the default verify mode
this->default_verify_mode (verify_mode);
// Set the max certificate depth but later let the verify_callback
// catch the depth error by adding one to the required depth.
if (depth > 0)
::SSL_CTX_set_verify_depth (this->context_, depth + 1);
}
int
ACE_SSL_Context::random_seed (const char * seed)
{
int len = ACE_Utils::truncate_cast<int> (ACE_OS::strlen (seed));
::RAND_seed (seed, len);
#if OPENSSL_VERSION_NUMBER >= 0x00905100L
// RAND_status() returns 1 if the PRNG has enough entropy.
return (::RAND_status () == 1 ? 0 : -1);
#else
return 0; // Ugly, but OpenSSL <= 0.9.4 doesn't have RAND_status().
#endif /* OPENSSL_VERSION_NUMBER >= 0x00905100L */
}
int
ACE_SSL_Context::egd_file (const char * socket_file)
{
#if OPENSSL_VERSION_NUMBER < 0x00905100L
// OpenSSL < 0.9.5 doesn't have EGD support.
ACE_UNUSED_ARG (socket_file);
ACE_NOTSUP_RETURN (-1);
#else
// RAND_egd() returns the amount of entropy used to seed the random
// number generator. The actual value should be greater than 16,
// i.e. 128 bits.
if (::RAND_egd (socket_file) > 0)
return 0;
else
return -1;
#endif /* OPENSSL_VERSION_NUMBER >= 0x00905100L */
}
int
ACE_SSL_Context::seed_file (const char * seed_file, long bytes)
{
// RAND_load_file() returns the number of bytes used to seed the
// random number generator. If the file reads ok, check RAND_status to
// see if it got enough entropy.
if (::RAND_load_file (seed_file, bytes) > 0)
#if OPENSSL_VERSION_NUMBER >= 0x00905100L
// RAND_status() returns 1 if the PRNG has enough entropy.
return (::RAND_status () == 1 ? 0 : -1);
#else
return 0; // Ugly, but OpenSSL <= 0.9.4 doesn't have RAND_status().
#endif /* OPENSSL_VERSION_NUMBER >= 0x00905100L */
else
return -1;
}
void
ACE_SSL_Context::report_error (unsigned long error_code)
{
if (error_code == 0)
return;
char error_string[256];
// OpenSSL < 0.9.6a doesn't have ERR_error_string_n() function.
#if OPENSSL_VERSION_NUMBER >= 0x0090601fL
(void) ::ERR_error_string_n (error_code, error_string, sizeof error_string);
#else /* OPENSSL_VERSION_NUMBER >= 0x0090601fL */
(void) ::ERR_error_string (error_code, error_string);
#endif /* OPENSSL_VERSION_NUMBER >= 0x0090601fL */
ACELIB_ERROR ((LM_ERROR,
ACE_TEXT ("ACE_SSL (%P|%t) error code: %u - %C\n"),
error_code,
error_string));
}
void
ACE_SSL_Context::report_error (void)
{
unsigned long err = ::ERR_get_error ();
ACE_SSL_Context::report_error (err);
ACE_OS::last_error (err);
}
int
ACE_SSL_Context::dh_params (const char *file_name,
int type)
{
if (this->dh_params_.type () != -1)
return 0;
// For now we only support PEM encodings
if (type != SSL_FILETYPE_PEM)
return -1;
this->dh_params_ = ACE_SSL_Data_File (file_name, type);
this->check_context ();
{
// Swiped from Rescorla's examples and the OpenSSL s_server.c app
DH * ret=0;
BIO * bio = 0;
if ((bio = ::BIO_new_file (this->dh_params_.file_name (), "r")) == 0)
{
this->dh_params_ = ACE_SSL_Data_File ();
return -1;
}
ret = PEM_read_bio_DHparams (bio, 0, 0, 0);
BIO_free (bio);
if (ret == 0)
{
this->dh_params_ = ACE_SSL_Data_File ();
return -1;
}
if (::SSL_CTX_set_tmp_dh (this->context_, ret) < 0)
{
this->dh_params_ = ACE_SSL_Data_File ();
return -1;
}
DH_free (ret);
}
return 0;
}
// ****************************************************************
ACE_SINGLETON_TEMPLATE_INSTANTIATE(ACE_Unmanaged_Singleton, ACE_SSL_Context, ACE_SYNCH_MUTEX)
ACE_END_VERSIONED_NAMESPACE_DECL