winhttp: Use schannel for HTTPS connection by defaul and get rid of OpenSSL dependency.

This commit is contained in:
Jacek Caban 2013-01-23 15:50:35 +01:00 committed by Alexandre Julliard
parent 90124e084f
commit 5b38dac7ac
2 changed files with 0 additions and 486 deletions

View File

@ -38,12 +38,6 @@
#ifdef HAVE_POLL_H
# include <poll.h>
#endif
#ifdef HAVE_OPENSSL_SSL_H
# include <openssl/ssl.h>
# include <openssl/opensslv.h>
#undef FAR
#undef DSA
#endif
#define NONAMELESSUNION
@ -78,90 +72,6 @@ static CRITICAL_SECTION cs_gethostbyname = { &critsect_debug, -1, 0, 0, 0, 0 };
#endif
#ifdef SONAME_LIBSSL
#include <openssl/err.h>
static CRITICAL_SECTION init_ssl_cs;
static CRITICAL_SECTION_DEBUG init_ssl_cs_debug =
{
0, 0, &init_ssl_cs,
{ &init_ssl_cs_debug.ProcessLocksList,
&init_ssl_cs_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": init_ssl_cs") }
};
static CRITICAL_SECTION init_ssl_cs = { &init_ssl_cs_debug, -1, 0, 0, 0, 0 };
static void *libssl_handle;
static void *libcrypto_handle;
#if defined(OPENSSL_VERSION_NUMBER) && (OPENSSL_VERSION_NUMBER > 0x10000000)
static const SSL_METHOD *method;
#else
static SSL_METHOD *method;
#endif
static SSL_CTX *ctx;
static int hostname_idx;
static int error_idx;
static int conn_idx;
#define MAKE_FUNCPTR(f) static typeof(f) * p##f
MAKE_FUNCPTR( SSL_library_init );
MAKE_FUNCPTR( SSL_load_error_strings );
MAKE_FUNCPTR( SSLv23_method );
MAKE_FUNCPTR( SSL_CTX_free );
MAKE_FUNCPTR( SSL_CTX_new );
MAKE_FUNCPTR( SSL_new );
MAKE_FUNCPTR( SSL_free );
MAKE_FUNCPTR( SSL_set_fd );
MAKE_FUNCPTR( SSL_connect );
MAKE_FUNCPTR( SSL_shutdown );
MAKE_FUNCPTR( SSL_write );
MAKE_FUNCPTR( SSL_read );
MAKE_FUNCPTR( SSL_pending );
MAKE_FUNCPTR( SSL_get_error );
MAKE_FUNCPTR( SSL_get_ex_new_index );
MAKE_FUNCPTR( SSL_get_ex_data );
MAKE_FUNCPTR( SSL_set_ex_data );
MAKE_FUNCPTR( SSL_get_ex_data_X509_STORE_CTX_idx );
MAKE_FUNCPTR( SSL_get_peer_certificate );
MAKE_FUNCPTR( SSL_CTX_set_default_verify_paths );
MAKE_FUNCPTR( SSL_CTX_set_verify );
MAKE_FUNCPTR( SSL_get_current_cipher );
MAKE_FUNCPTR( SSL_CIPHER_get_bits );
MAKE_FUNCPTR( CRYPTO_num_locks );
MAKE_FUNCPTR( CRYPTO_set_id_callback );
MAKE_FUNCPTR( CRYPTO_set_locking_callback );
MAKE_FUNCPTR( ERR_free_strings );
MAKE_FUNCPTR( ERR_get_error );
MAKE_FUNCPTR( ERR_error_string );
MAKE_FUNCPTR( X509_STORE_CTX_get_ex_data );
MAKE_FUNCPTR( X509_STORE_CTX_get_chain );
MAKE_FUNCPTR( i2d_X509 );
MAKE_FUNCPTR( sk_value );
MAKE_FUNCPTR( sk_num );
#undef MAKE_FUNCPTR
static CRITICAL_SECTION *ssl_locks;
static unsigned int num_ssl_locks;
static unsigned long ssl_thread_id(void)
{
return GetCurrentThreadId();
}
static void ssl_lock_callback(int mode, int type, const char *file, int line)
{
if (mode & CRYPTO_LOCK)
EnterCriticalSection( &ssl_locks[type] );
else
LeaveCriticalSection( &ssl_locks[type] );
}
#endif
/* translate a unix error code into a winsock error code */
static int sock_get_error( int err )
{
@ -229,43 +139,6 @@ static int sock_get_error( int err )
return err;
}
#ifdef SONAME_LIBSSL
static PCCERT_CONTEXT X509_to_cert_context(X509 *cert)
{
unsigned char *buffer, *p;
int len;
BOOL malloc = FALSE;
PCCERT_CONTEXT ret;
p = NULL;
if ((len = pi2d_X509( cert, &p )) < 0) return NULL;
/*
* SSL 0.9.7 and above malloc the buffer if it is null.
* however earlier version do not and so we would need to alloc the buffer.
*
* see the i2d_X509 man page for more details.
*/
if (!p)
{
if (!(buffer = heap_alloc( len ))) return NULL;
p = buffer;
len = pi2d_X509( cert, &p );
}
else
{
buffer = p;
malloc = TRUE;
}
ret = CertCreateCertificateContext( X509_ASN_ENCODING, buffer, len );
if (malloc) free( buffer );
else heap_free( buffer );
return ret;
}
#endif
static DWORD netconn_verify_cert( PCCERT_CONTEXT cert, HCERTSTORE store,
WCHAR *server, DWORD security_flags )
{
@ -359,63 +232,6 @@ static DWORD netconn_verify_cert( PCCERT_CONTEXT cert, HCERTSTORE store,
return err;
}
#ifdef SONAME_LIBSSL
static int netconn_secure_verify( int preverify_ok, X509_STORE_CTX *ctx )
{
SSL *ssl;
WCHAR *server;
BOOL ret = FALSE;
netconn_t *conn;
HCERTSTORE store = CertOpenStore( CERT_STORE_PROV_MEMORY, 0, 0,
CERT_STORE_CREATE_NEW_FLAG, NULL );
ssl = pX509_STORE_CTX_get_ex_data( ctx, pSSL_get_ex_data_X509_STORE_CTX_idx() );
server = pSSL_get_ex_data( ssl, hostname_idx );
conn = pSSL_get_ex_data( ssl, conn_idx );
if (store)
{
X509 *cert;
int i;
PCCERT_CONTEXT endCert = NULL;
struct stack_st *chain = (struct stack_st *)pX509_STORE_CTX_get_chain( ctx );
ret = TRUE;
for (i = 0; ret && i < psk_num(chain); i++)
{
PCCERT_CONTEXT context;
cert = (X509 *)psk_value(chain, i);
if ((context = X509_to_cert_context( cert )))
{
if (i == 0)
ret = CertAddCertificateContextToStore( store, context,
CERT_STORE_ADD_ALWAYS, &endCert );
else
ret = CertAddCertificateContextToStore( store, context,
CERT_STORE_ADD_ALWAYS, NULL );
CertFreeCertificateContext( context );
}
}
if (!endCert) ret = FALSE;
if (ret)
{
DWORD_PTR err = netconn_verify_cert( endCert, store, server,
conn->security_flags );
if (err)
{
pSSL_set_ex_data( ssl, error_idx, (void *)err );
ret = FALSE;
}
}
CertFreeCertificateContext( endCert );
CertCloseStore( store, 0 );
}
return ret;
}
#else
static SecHandle cred_handle;
static BOOL cred_handle_initialized;
@ -451,183 +267,18 @@ static BOOL ensure_cred_handle(void)
return ret;
}
#endif
BOOL netconn_init( netconn_t *conn, BOOL secure )
{
#if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
int i;
#else
memset(conn, 0, sizeof(*conn));
#endif
conn->socket = -1;
if (!secure) return TRUE;
#if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
EnterCriticalSection( &init_ssl_cs );
if (libssl_handle)
{
LeaveCriticalSection( &init_ssl_cs );
return TRUE;
}
if (!(libssl_handle = wine_dlopen( SONAME_LIBSSL, RTLD_NOW, NULL, 0 )))
{
ERR("Trying to use SSL but couldn't load %s. Expect trouble.\n", SONAME_LIBSSL);
set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
LeaveCriticalSection( &init_ssl_cs );
return FALSE;
}
if (!(libcrypto_handle = wine_dlopen( SONAME_LIBCRYPTO, RTLD_NOW, NULL, 0 )))
{
ERR("Trying to use SSL but couldn't load %s. Expect trouble.\n", SONAME_LIBCRYPTO);
set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
LeaveCriticalSection( &init_ssl_cs );
return FALSE;
}
#define LOAD_FUNCPTR(x) \
if (!(p##x = wine_dlsym( libssl_handle, #x, NULL, 0 ))) \
{ \
ERR("Failed to load symbol %s\n", #x); \
set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR ); \
LeaveCriticalSection( &init_ssl_cs ); \
return FALSE; \
}
LOAD_FUNCPTR( SSL_library_init );
LOAD_FUNCPTR( SSL_load_error_strings );
LOAD_FUNCPTR( SSLv23_method );
LOAD_FUNCPTR( SSL_CTX_free );
LOAD_FUNCPTR( SSL_CTX_new );
LOAD_FUNCPTR( SSL_new );
LOAD_FUNCPTR( SSL_free );
LOAD_FUNCPTR( SSL_set_fd );
LOAD_FUNCPTR( SSL_connect );
LOAD_FUNCPTR( SSL_shutdown );
LOAD_FUNCPTR( SSL_write );
LOAD_FUNCPTR( SSL_read );
LOAD_FUNCPTR( SSL_pending );
LOAD_FUNCPTR( SSL_get_error );
LOAD_FUNCPTR( SSL_get_ex_new_index );
LOAD_FUNCPTR( SSL_get_ex_data );
LOAD_FUNCPTR( SSL_set_ex_data );
LOAD_FUNCPTR( SSL_get_ex_data_X509_STORE_CTX_idx );
LOAD_FUNCPTR( SSL_get_peer_certificate );
LOAD_FUNCPTR( SSL_CTX_set_default_verify_paths );
LOAD_FUNCPTR( SSL_CTX_set_verify );
LOAD_FUNCPTR( SSL_get_current_cipher );
LOAD_FUNCPTR( SSL_CIPHER_get_bits );
#undef LOAD_FUNCPTR
#define LOAD_FUNCPTR(x) \
if (!(p##x = wine_dlsym( libcrypto_handle, #x, NULL, 0 ))) \
{ \
ERR("Failed to load symbol %s\n", #x); \
set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR ); \
LeaveCriticalSection( &init_ssl_cs ); \
return FALSE; \
}
LOAD_FUNCPTR( CRYPTO_num_locks );
LOAD_FUNCPTR( CRYPTO_set_id_callback );
LOAD_FUNCPTR( CRYPTO_set_locking_callback );
LOAD_FUNCPTR( ERR_free_strings );
LOAD_FUNCPTR( ERR_get_error );
LOAD_FUNCPTR( ERR_error_string );
LOAD_FUNCPTR( X509_STORE_CTX_get_ex_data );
LOAD_FUNCPTR( X509_STORE_CTX_get_chain );
LOAD_FUNCPTR( i2d_X509 );
LOAD_FUNCPTR( sk_value );
LOAD_FUNCPTR( sk_num );
#undef LOAD_FUNCPTR
pSSL_library_init();
pSSL_load_error_strings();
method = pSSLv23_method();
ctx = pSSL_CTX_new( method );
if (!pSSL_CTX_set_default_verify_paths( ctx ))
{
ERR("SSL_CTX_set_default_verify_paths failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
set_last_error( ERROR_OUTOFMEMORY );
LeaveCriticalSection( &init_ssl_cs );
return FALSE;
}
hostname_idx = pSSL_get_ex_new_index( 0, (void *)"hostname index", NULL, NULL, NULL );
if (hostname_idx == -1)
{
ERR("SSL_get_ex_new_index failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
set_last_error( ERROR_OUTOFMEMORY );
LeaveCriticalSection( &init_ssl_cs );
return FALSE;
}
error_idx = pSSL_get_ex_new_index( 0, (void *)"error index", NULL, NULL, NULL );
if (error_idx == -1)
{
ERR("SSL_get_ex_new_index failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
set_last_error( ERROR_OUTOFMEMORY );
LeaveCriticalSection( &init_ssl_cs );
return FALSE;
}
conn_idx = pSSL_get_ex_new_index( 0, (void *)"netconn index", NULL, NULL, NULL );
if (conn_idx == -1)
{
ERR("SSL_get_ex_new_index failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
set_last_error( ERROR_OUTOFMEMORY );
LeaveCriticalSection( &init_ssl_cs );
return FALSE;
}
pSSL_CTX_set_verify( ctx, SSL_VERIFY_PEER, netconn_secure_verify );
pCRYPTO_set_id_callback(ssl_thread_id);
num_ssl_locks = pCRYPTO_num_locks();
ssl_locks = heap_alloc(num_ssl_locks * sizeof(CRITICAL_SECTION));
if (!ssl_locks)
{
set_last_error( ERROR_OUTOFMEMORY );
LeaveCriticalSection( &init_ssl_cs );
return FALSE;
}
for (i = 0; i < num_ssl_locks; i++)
{
InitializeCriticalSection( &ssl_locks[i] );
ssl_locks[i].DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": ssl_locks");
}
pCRYPTO_set_locking_callback(ssl_lock_callback);
LeaveCriticalSection( &init_ssl_cs );
#endif
return TRUE;
}
void netconn_unload( void )
{
#if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
if (libcrypto_handle)
{
pERR_free_strings();
wine_dlclose( libcrypto_handle, NULL, 0 );
}
if (libssl_handle)
{
if (ctx)
pSSL_CTX_free( ctx );
wine_dlclose( libssl_handle, NULL, 0 );
}
if (ssl_locks)
{
int i;
for (i = 0; i < num_ssl_locks; i++)
{
ssl_locks[i].DebugInfo->Spare[0] = 0;
DeleteCriticalSection( &ssl_locks[i] );
}
heap_free( ssl_locks );
}
DeleteCriticalSection(&init_ssl_cs);
#else
if(cred_handle_initialized)
FreeCredentialsHandle(&cred_handle);
DeleteCriticalSection(&init_sechandle_cs);
#endif
#ifndef HAVE_GETADDRINFO
DeleteCriticalSection(&cs_gethostbyname);
#endif
@ -659,20 +310,12 @@ BOOL netconn_close( netconn_t *conn )
conn->peek_msg_mem = NULL;
conn->peek_msg = NULL;
conn->peek_len = 0;
#ifdef SONAME_LIBSSL
pSSL_shutdown( conn->ssl_conn );
pSSL_free( conn->ssl_conn );
conn->ssl_conn = NULL;
#else
heap_free(conn->ssl_buf);
conn->ssl_buf = NULL;
heap_free(conn->extra_buf);
conn->extra_buf = NULL;
conn->extra_len = 0;
DeleteSecurityContext(&conn->ssl_ctx);
#endif
conn->secure = FALSE;
}
res = closesocket( conn->socket );
@ -727,53 +370,6 @@ BOOL netconn_connect( netconn_t *conn, const struct sockaddr *sockaddr, unsigned
BOOL netconn_secure_connect( netconn_t *conn, WCHAR *hostname )
{
#ifdef SONAME_LIBSSL
if (!(conn->ssl_conn = pSSL_new( ctx )))
{
ERR("SSL_new failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
set_last_error( ERROR_OUTOFMEMORY );
goto fail;
}
if (!pSSL_set_ex_data( conn->ssl_conn, hostname_idx, hostname ))
{
ERR("SSL_set_ex_data failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
goto fail;
}
if (!pSSL_set_ex_data( conn->ssl_conn, conn_idx, conn ))
{
ERR("SSL_set_ex_data failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
return FALSE;
}
if (!pSSL_set_fd( conn->ssl_conn, conn->socket ))
{
ERR("SSL_set_fd failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
goto fail;
}
if (pSSL_connect( conn->ssl_conn ) <= 0)
{
DWORD err;
err = (DWORD_PTR)pSSL_get_ex_data( conn->ssl_conn, error_idx );
if (!err) err = ERROR_WINHTTP_SECURE_CHANNEL_ERROR;
ERR("couldn't verify server certificate (%d)\n", err);
set_last_error( err );
goto fail;
}
TRACE("established SSL connection\n");
conn->secure = TRUE;
return TRUE;
fail:
if (conn->ssl_conn)
{
pSSL_shutdown( conn->ssl_conn );
pSSL_free( conn->ssl_conn );
conn->ssl_conn = NULL;
}
#else
SecBuffer out_buf = {0, SECBUFFER_TOKEN, NULL}, in_bufs[2] = {{0, SECBUFFER_TOKEN}, {0, SECBUFFER_EMPTY}};
SecBufferDesc out_desc = {SECBUFFER_VERSION, 1, &out_buf}, in_desc = {SECBUFFER_VERSION, 2, in_bufs};
BYTE *read_buf;
@ -905,11 +501,9 @@ fail:
TRACE("established SSL connection\n");
conn->secure = TRUE;
conn->ssl_ctx = ctx;
#endif
return TRUE;
}
#ifndef SONAME_LIBSSL
static BOOL send_ssl_chunk(netconn_t *conn, const void *msg, size_t size)
{
SecBuffer bufs[4] = {
@ -935,19 +529,12 @@ static BOOL send_ssl_chunk(netconn_t *conn, const void *msg, size_t size)
return TRUE;
}
#endif
BOOL netconn_send( netconn_t *conn, const void *msg, size_t len, int flags, int *sent )
{
if (!netconn_connected( conn )) return FALSE;
if (conn->secure)
{
#ifdef SONAME_LIBSSL
if (flags) FIXME("flags %08x not supported in SSL\n", flags);
*sent = pSSL_write( conn->ssl_conn, msg, len );
if (*sent < 1 && len) return FALSE;
return TRUE;
#else
const BYTE *ptr = msg;
size_t chunk_size;
@ -966,7 +553,6 @@ BOOL netconn_send( netconn_t *conn, const void *msg, size_t len, int flags, int
}
return TRUE;
#endif
}
if ((*sent = send( conn->socket, msg, len, flags )) == -1)
{
@ -976,8 +562,6 @@ BOOL netconn_send( netconn_t *conn, const void *msg, size_t len, int flags, int
return TRUE;
}
#ifndef SONAME_LIBSSL
static BOOL read_ssl_chunk(netconn_t *conn, void *buf, SIZE_T buf_size, SIZE_T *ret_size, BOOL *eof)
{
const SIZE_T ssl_buf_size = conn->ssl_sizes.cbHeader+conn->ssl_sizes.cbMaximumMessage+conn->ssl_sizes.cbTrailer;
@ -1071,8 +655,6 @@ static BOOL read_ssl_chunk(netconn_t *conn, void *buf, SIZE_T buf_size, SIZE_T *
return TRUE;
}
#endif
BOOL netconn_recv( netconn_t *conn, void *buf, size_t len, int flags, int *recvd )
{
*recvd = 0;
@ -1081,24 +663,12 @@ BOOL netconn_recv( netconn_t *conn, void *buf, size_t len, int flags, int *recvd
if (conn->secure)
{
#ifdef SONAME_LIBSSL
int ret;
#else
SIZE_T size, cread;
BOOL res, eof;
#endif
if (flags & ~(MSG_PEEK | MSG_WAITALL))
FIXME("SSL_read does not support the following flags: %08x\n", flags);
#ifdef SONAME_LIBSSL
/* this ugly hack is all for MSG_PEEK */
if (flags & MSG_PEEK && !conn->peek_msg)
{
if (!(conn->peek_msg = conn->peek_msg_mem = heap_alloc( len + 1 ))) return FALSE;
}
else
#endif
if (flags & MSG_PEEK && conn->peek_msg)
{
if (len < conn->peek_len) FIXME("buffer isn't big enough, should we wrap?\n");
@ -1122,32 +692,6 @@ BOOL netconn_recv( netconn_t *conn, void *buf, size_t len, int flags, int *recvd
/* check if we have enough data from the peek buffer */
if (!(flags & MSG_WAITALL) || (*recvd == len)) return TRUE;
}
#ifdef SONAME_LIBSSL
ret = pSSL_read( conn->ssl_conn, (char *)buf + *recvd, len - *recvd );
if (ret < 0)
return FALSE;
/* check if EOF was received */
if (!ret && (pSSL_get_error( conn->ssl_conn, ret ) == SSL_ERROR_ZERO_RETURN ||
pSSL_get_error( conn->ssl_conn, ret ) == SSL_ERROR_SYSCALL ))
{
netconn_close( conn );
return TRUE;
}
if (flags & MSG_PEEK) /* must copy into buffer */
{
conn->peek_len = ret;
if (!ret)
{
heap_free( conn->peek_msg_mem );
conn->peek_msg_mem = NULL;
conn->peek_msg = NULL;
}
else memcpy( conn->peek_msg, buf, ret );
}
*recvd += ret;
return TRUE;
#else
size = *recvd;
do {
@ -1178,7 +722,6 @@ BOOL netconn_recv( netconn_t *conn, void *buf, size_t len, int flags, int *recvd
TRACE("received %ld bytes\n", size);
*recvd = size;
return TRUE;
#endif
}
if ((*recvd = recv( conn->socket, buf, len, flags )) == -1)
{
@ -1199,9 +742,6 @@ BOOL netconn_query_data_available( netconn_t *conn, DWORD *available )
if (conn->secure)
{
*available = conn->peek_len;
#ifdef SONAME_LIBSSL
*available += pSSL_pending( conn->ssl_conn );
#endif
return TRUE;
}
#ifdef FIONREAD
@ -1433,40 +973,16 @@ BOOL netconn_resolve( WCHAR *hostname, INTERNET_PORT port, struct sockaddr *sa,
const void *netconn_get_certificate( netconn_t *conn )
{
#ifdef SONAME_LIBSSL
X509 *cert;
const CERT_CONTEXT *ret;
if (!conn->secure) return NULL;
if (!(cert = pSSL_get_peer_certificate( conn->ssl_conn ))) return NULL;
ret = X509_to_cert_context( cert );
return ret;
#else
const CERT_CONTEXT *ret;
SECURITY_STATUS res;
if (!conn->secure) return NULL;
res = QueryContextAttributesW(&conn->ssl_ctx, SECPKG_ATTR_REMOTE_CERT_CONTEXT, (void*)&ret);
return res == SEC_E_OK ? ret : NULL;
#endif
}
int netconn_get_cipher_strength( netconn_t *conn )
{
#ifdef SONAME_LIBSSL
#if defined(OPENSSL_VERSION_NUMBER) && (OPENSSL_VERSION_NUMBER >= 0x0090707f)
const SSL_CIPHER *cipher;
#else
SSL_CIPHER *cipher;
#endif
int bits = 0;
if (!conn->secure) return 0;
if (!(cipher = pSSL_get_current_cipher( conn->ssl_conn ))) return 0;
pSSL_CIPHER_get_bits( cipher, &bits );
return bits;
#else
SecPkgContext_ConnectionInfo conn_info;
SECURITY_STATUS res;
@ -1475,5 +991,4 @@ int netconn_get_cipher_strength( netconn_t *conn )
if(res != SEC_E_OK)
WARN("QueryContextAttributesW failed: %08x\n", res);
return res == SEC_E_OK ? conn_info.dwCipherStrength : 0;
#endif
}

View File

@ -129,7 +129,6 @@ typedef struct
{
int socket;
BOOL secure; /* SSL active on connection? */
void *ssl_conn;
CtxtHandle ssl_ctx;
SecPkgContext_StreamSizes ssl_sizes;
char *ssl_buf;