Merge branch 'fredrik/ssh/fix-idle-tests' into fredrik/ssh/rekeying

* fredrik/ssh/fix-idle-tests: (50 commits)
  Modifications to idle_time testcase
  Teach Win installer to handle redist on w2012/w8
  ssl: Receive port EXIT-message so that it does not get mixed up with the protocol-error message we are expecting
  ssl: Add and enhance tests
  ssl: Consider new server options when resuming a session
  Prepare release
  ssl: Add dependencies to Makefile
  Simplify the code for the generated info/0 function
  Don't try to work around a non-loadable NIF library
  Fix BER encoding when multiple levels of typedefs are used
  Update megaco documentation
  Update documentation for the asn1 application
  Fix other applications
  Fix use of asn1 in megaco
  Remove the unused asn1ct_gen_ber module
  Fix erroneous skipping for jinterface, erl_interface and ic
  kernel: Heart port needs to be unregistered
  Update preloaded modules
  Update primary bootstrap
  Update copyright years
  ...

1 files changed, 165 insertions, 0 deletions

diff --git a/lib/crypto/c_src/crypto_callback.c b/lib/crypto/c_src/crypto_callback.c
new file mode 100644
index 0000000000..81106b4cc2
--- /dev/null
+++ b/lib/crypto/c_src/crypto_callback.c
@@ -0,0 +1,165 @@
+/* 
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2012. All Rights Reserved.
+ *
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ */
+
+#include <string.h>
+#include <openssl/opensslconf.h>
+
+#include "erl_nif.h"
+#include "crypto_callback.h"
+
+#ifdef DEBUG
+    #  define ASSERT(e) \
+    ((void) ((e) ? 1 : (fprintf(stderr,"Assert '%s' failed at %s:%d\n",\
+				#e, __FILE__, __LINE__), abort(), 0)))
+#else
+    #  define ASSERT(e) ((void) 1)
+#endif
+
+#ifdef __GNUC__
+    #  define INLINE __inline__
+#elif defined(__WIN32__)
+    #  define INLINE __forceinline
+#else
+    #  define INLINE
+#endif
+
+#ifdef __WIN32__
+#  define DLLEXPORT __declspec(dllexport)
+#else
+#  define DLLEXPORT
+#endif
+
+/* to be dlsym'ed */
+DLLEXPORT struct crypto_callbacks* get_crypto_callbacks(int nlocks);
+
+
+static ErlNifRWLock** lock_vec = NULL; /* Static locks used by openssl */
+
+static void* crypto_alloc(size_t size)
+{
+    return enif_alloc(size);
+}
+static void* crypto_realloc(void* ptr, size_t size)
+{
+    return enif_realloc(ptr, size);
+}
+static void crypto_free(void* ptr)
+{
+    enif_free(ptr);
+}
+
+
+#ifdef OPENSSL_THREADS /* vvvvvvvvvvvvvvv OPENSSL_THREADS vvvvvvvvvvvvvvvv */
+
+#include <openssl/crypto.h>
+
+static INLINE void locking(int mode, ErlNifRWLock* lock)
+{
+    switch (mode) {
+    case CRYPTO_LOCK|CRYPTO_READ:
+	enif_rwlock_rlock(lock);
+	break;
+    case CRYPTO_LOCK|CRYPTO_WRITE:
+	enif_rwlock_rwlock(lock);
+	break;
+    case CRYPTO_UNLOCK|CRYPTO_READ:
+	enif_rwlock_runlock(lock);
+	break;
+    case CRYPTO_UNLOCK|CRYPTO_WRITE:
+	enif_rwlock_rwunlock(lock);
+	break;
+    default:
+	ASSERT(!"Invalid lock mode");
+    }
+}
+
+static void locking_function(int mode, int n, const char *file, int line)
+{
+    ASSERT(n>=0 && n<CRYPTO_num_locks());
+
+    locking(mode, lock_vec[n]);
+}
+
+static unsigned long id_function(void)
+{
+    return (unsigned long) enif_thread_self();
+}
+
+/* Dynamic locking, not used by current openssl version (0.9.8)
+ */
+static struct CRYPTO_dynlock_value* dyn_create_function(const char *file, int line)
+{
+    return (struct CRYPTO_dynlock_value*) enif_rwlock_create("crypto_dyn");
+}
+static void dyn_lock_function(int mode, struct CRYPTO_dynlock_value* ptr,const char *file, int line)
+{
+    locking(mode, (ErlNifRWLock*)ptr);
+}
+static void dyn_destroy_function(struct CRYPTO_dynlock_value *ptr, const char *file, int line)
+{
+    enif_rwlock_destroy((ErlNifRWLock*)ptr);
+}
+
+#endif /* ^^^^^^^^^^^^^^^^^^^^^^ OPENSSL_THREADS ^^^^^^^^^^^^^^^^^^^^^^ */
+
+DLLEXPORT struct crypto_callbacks* get_crypto_callbacks(int nlocks)
+{
+    static int is_initialized = 0;
+    static struct crypto_callbacks the_struct = {
+	sizeof(struct crypto_callbacks),
+
+	&crypto_alloc,
+	&crypto_realloc,
+	&crypto_free,
+        
+#ifdef OPENSSL_THREADS
+	&locking_function,
+	&id_function,
+	&dyn_create_function,
+	&dyn_lock_function,
+	&dyn_destroy_function
+#endif /* OPENSSL_THREADS */
+    };
+
+    if (!is_initialized) {
+#ifdef OPENSSL_THREADS
+	if (nlocks > 0) {
+	    int i;
+	    lock_vec = enif_alloc(nlocks*sizeof(*lock_vec));
+	    if (lock_vec==NULL) return NULL;
+	    memset(lock_vec, 0, nlocks*sizeof(*lock_vec));
+	    
+	    for (i=nlocks-1; i>=0; --i) {
+		lock_vec[i] = enif_rwlock_create("crypto_stat");
+		if (lock_vec[i]==NULL) return NULL;
+	    }
+	}
+#endif
+	is_initialized = 1;
+    }
+    return &the_struct;
+}
+
+#ifdef HAVE_DYNAMIC_CRYPTO_LIB
+/* This is not really a NIF library, but we use ERL_NIF_INIT in order to
+ * get access to the erl_nif API (on Windows).
+ */
+ERL_NIF_INIT(dummy, (ErlNifFunc*)NULL , NULL, NULL, NULL, NULL)
+#endif
+