Update OpenSSL to version 1.0.1s

1 files changed, 429 insertions, 419 deletions

diff --git a/drivers/builtin_openssl2/crypto/ex_data.c b/drivers/builtin_openssl2/crypto/ex_data.c
index e2bc8298d0..f96a51781a 100644
--- a/drivers/builtin_openssl2/crypto/ex_data.c
+++ b/drivers/builtin_openssl2/crypto/ex_data.c
@@ -34,21 +34,21 @@
  * This package is an SSL implementation written
  * by Eric Young (eay@cryptsoft.com).
  * The implementation was written so as to conform with Netscapes SSL.
- * 
+ *
  * This library is free for commercial and non-commercial use as long as
  * the following conditions are aheared to.  The following conditions
  * apply to all code found in this distribution, be it the RC4, RSA,
  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  * included with this distribution is covered by the same copyright terms
  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- * 
+ *
  * Copyright remains Eric Young's, and as such any Copyright notices in
  * the code are not to be removed.
  * If this package is used in a product, Eric Young should be given attribution
  * as the author of the parts of the library used.
  * This can be in the form of a textual message at program startup or
  * in documentation (online or textual) provided with the package.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ -63,10 +63,10 @@
  *     Eric Young (eay@cryptsoft.com)"
  *    The word 'cryptographic' can be left out if the rouines from the library
  *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from 
+ * 4. If you include any Windows specific code (or a derivative thereof) from
  *    the apps directory (application code) you must include an acknowledgement:
  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -78,7 +78,7 @@
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
- * 
+ *
  * The licence and distribution terms for any publically available version or
  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  * copied and put under another distribution licence
@@ -92,7 +92,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
@@ -142,103 +142,108 @@
 #include <openssl/lhash.h>
 
 /* What an "implementation of ex_data functionality" looks like */
-struct st_CRYPTO_EX_DATA_IMPL
-	{
-	/*********************/
-	/* GLOBAL OPERATIONS */
-	/* Return a new class index */
-	int (*cb_new_class)(void);
-	/* Cleanup all state used by the implementation */
-	void (*cb_cleanup)(void);
-	/************************/
-	/* PER-CLASS OPERATIONS */
-	/* Get a new method index within a class */
-	int (*cb_get_new_index)(int class_index, long argl, void *argp,
-			CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
-			CRYPTO_EX_free *free_func);
-	/* Initialise a new CRYPTO_EX_DATA of a given class */
-	int (*cb_new_ex_data)(int class_index, void *obj,
-			CRYPTO_EX_DATA *ad);
-	/* Duplicate a CRYPTO_EX_DATA of a given class onto a copy */
-	int (*cb_dup_ex_data)(int class_index, CRYPTO_EX_DATA *to,
-			CRYPTO_EX_DATA *from);
-	/* Cleanup a CRYPTO_EX_DATA of a given class */
-	void (*cb_free_ex_data)(int class_index, void *obj,
-			CRYPTO_EX_DATA *ad);
-	};
+struct st_CRYPTO_EX_DATA_IMPL {
+        /*********************/
+    /* GLOBAL OPERATIONS */
+    /* Return a new class index */
+    int (*cb_new_class) (void);
+    /* Cleanup all state used by the implementation */
+    void (*cb_cleanup) (void);
+        /************************/
+    /* PER-CLASS OPERATIONS */
+    /* Get a new method index within a class */
+    int (*cb_get_new_index) (int class_index, long argl, void *argp,
+                             CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
+                             CRYPTO_EX_free *free_func);
+    /* Initialise a new CRYPTO_EX_DATA of a given class */
+    int (*cb_new_ex_data) (int class_index, void *obj, CRYPTO_EX_DATA *ad);
+    /* Duplicate a CRYPTO_EX_DATA of a given class onto a copy */
+    int (*cb_dup_ex_data) (int class_index, CRYPTO_EX_DATA *to,
+                           CRYPTO_EX_DATA *from);
+    /* Cleanup a CRYPTO_EX_DATA of a given class */
+    void (*cb_free_ex_data) (int class_index, void *obj, CRYPTO_EX_DATA *ad);
+};
 
 /* The implementation we use at run-time */
 static const CRYPTO_EX_DATA_IMPL *impl = NULL;
 
-/* To call "impl" functions, use this macro rather than referring to 'impl' directly, eg.
- * EX_IMPL(get_new_index)(...); */
+/*
+ * To call "impl" functions, use this macro rather than referring to 'impl'
+ * directly, eg. EX_IMPL(get_new_index)(...);
+ */
 #define EX_IMPL(a) impl->cb_##a
 
 /* Predeclare the "default" ex_data implementation */
 static int int_new_class(void);
 static void int_cleanup(void);
 static int int_get_new_index(int class_index, long argl, void *argp,
-		CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
-		CRYPTO_EX_free *free_func);
-static int int_new_ex_data(int class_index, void *obj,
-		CRYPTO_EX_DATA *ad);
+                             CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
+                             CRYPTO_EX_free *free_func);
+static int int_new_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
 static int int_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,
-		CRYPTO_EX_DATA *from);
-static void int_free_ex_data(int class_index, void *obj,
-		CRYPTO_EX_DATA *ad);
-static CRYPTO_EX_DATA_IMPL impl_default =
-	{
-	int_new_class,
-	int_cleanup,
-	int_get_new_index,
-	int_new_ex_data,
-	int_dup_ex_data,
-	int_free_ex_data
-	};
-
-/* Internal function that checks whether "impl" is set and if not, sets it to
- * the default. */
+                           CRYPTO_EX_DATA *from);
+static void int_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
+static CRYPTO_EX_DATA_IMPL impl_default = {
+    int_new_class,
+    int_cleanup,
+    int_get_new_index,
+    int_new_ex_data,
+    int_dup_ex_data,
+    int_free_ex_data
+};
+
+/*
+ * Internal function that checks whether "impl" is set and if not, sets it to
+ * the default.
+ */
 static void impl_check(void)
-	{
-	CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
-	if(!impl)
-		impl = &impl_default;
-	CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
-	}
-/* A macro wrapper for impl_check that first uses a non-locked test before
- * invoking the function (which checks again inside a lock). */
+{
+    CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
+    if (!impl)
+        impl = &impl_default;
+    CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
+}
+
+/*
+ * A macro wrapper for impl_check that first uses a non-locked test before
+ * invoking the function (which checks again inside a lock).
+ */
 #define IMPL_CHECK if(!impl) impl_check();
 
 /* API functions to get/set the "ex_data" implementation */
 const CRYPTO_EX_DATA_IMPL *CRYPTO_get_ex_data_implementation(void)
-	{
-	IMPL_CHECK
-	return impl;
-	}
+{
+    IMPL_CHECK return impl;
+}
+
 int CRYPTO_set_ex_data_implementation(const CRYPTO_EX_DATA_IMPL *i)
-	{
-	int toret = 0;
-	CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
-	if(!impl)
-		{
-		impl = i;
-		toret = 1;
-		}
-	CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
-	return toret;
-	}
+{
+    int toret = 0;
+    CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
+    if (!impl) {
+        impl = i;
+        toret = 1;
+    }
+    CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
+    return toret;
+}
 
 /****************************************************************************/
-/* Interal (default) implementation of "ex_data" support. API functions are
- * further down. */
+/*
+ * Interal (default) implementation of "ex_data" support. API functions are
+ * further down.
+ */
 
-/* The type that represents what each "class" used to implement locally. A STACK
- * of CRYPTO_EX_DATA_FUNCS plus a index-counter. The 'class_index' is the global
- * value representing the class that is used to distinguish these items. */
+/*
+ * The type that represents what each "class" used to implement locally. A
+ * STACK of CRYPTO_EX_DATA_FUNCS plus a index-counter. The 'class_index' is
+ * the global value representing the class that is used to distinguish these
+ * items.
+ */
 typedef struct st_ex_class_item {
-	int class_index;
-	STACK_OF(CRYPTO_EX_DATA_FUNCS) *meth;
-	int meth_num;
+    int class_index;
+    STACK_OF(CRYPTO_EX_DATA_FUNCS) *meth;
+    int meth_num;
 } EX_CLASS_ITEM;
 
 /* When assigning new class indexes, this is our counter */
@@ -250,387 +255,392 @@ static LHASH_OF(EX_CLASS_ITEM) *ex_data = NULL;
 
 /* The callbacks required in the "ex_data" hash table */
 static unsigned long ex_class_item_hash(const EX_CLASS_ITEM *a)
-	{
-	return a->class_index;
-	}
+{
+    return a->class_index;
+}
+
 static IMPLEMENT_LHASH_HASH_FN(ex_class_item, EX_CLASS_ITEM)
 
 static int ex_class_item_cmp(const EX_CLASS_ITEM *a, const EX_CLASS_ITEM *b)
-	{
-	return a->class_index - b->class_index;
-	}
-static IMPLEMENT_LHASH_COMP_FN(ex_class_item, EX_CLASS_ITEM)
+{
+    return a->class_index - b->class_index;
+}
 
-/* Internal functions used by the "impl_default" implementation to access the
- * state */
+static IMPLEMENT_LHASH_COMP_FN(ex_class_item, EX_CLASS_ITEM)
 
+/*
+ * Internal functions used by the "impl_default" implementation to access the
+ * state
+ */
 static int ex_data_check(void)
-	{
-	int toret = 1;
-	CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
-	if(!ex_data
-	   && (ex_data = lh_EX_CLASS_ITEM_new()) == NULL)
-		toret = 0;
-	CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
-	return toret;
-	}
-/* This macros helps reduce the locking from repeated checks because the
- * ex_data_check() function checks ex_data again inside a lock. */
+{
+    int toret = 1;
+    CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
+    if (!ex_data && (ex_data = lh_EX_CLASS_ITEM_new()) == NULL)
+        toret = 0;
+    CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
+    return toret;
+}
+
+/*
+ * This macros helps reduce the locking from repeated checks because the
+ * ex_data_check() function checks ex_data again inside a lock.
+ */
 #define EX_DATA_CHECK(iffail) if(!ex_data && !ex_data_check()) {iffail}
 
 /* This "inner" callback is used by the callback function that follows it */
 static void def_cleanup_util_cb(CRYPTO_EX_DATA_FUNCS *funcs)
-	{
-	OPENSSL_free(funcs);
-	}
+{
+    OPENSSL_free(funcs);
+}
 
-/* This callback is used in lh_doall to destroy all EX_CLASS_ITEM values from
- * "ex_data" prior to the ex_data hash table being itself destroyed. Doesn't do
- * any locking. */
+/*
+ * This callback is used in lh_doall to destroy all EX_CLASS_ITEM values from
+ * "ex_data" prior to the ex_data hash table being itself destroyed. Doesn't
+ * do any locking.
+ */
 static void def_cleanup_cb(void *a_void)
-	{
-	EX_CLASS_ITEM *item = (EX_CLASS_ITEM *)a_void;
-	sk_CRYPTO_EX_DATA_FUNCS_pop_free(item->meth, def_cleanup_util_cb);
-	OPENSSL_free(item);
-	}
-
-/* Return the EX_CLASS_ITEM from the "ex_data" hash table that corresponds to a
- * given class. Handles locking. */
+{
+    EX_CLASS_ITEM *item = (EX_CLASS_ITEM *)a_void;
+    sk_CRYPTO_EX_DATA_FUNCS_pop_free(item->meth, def_cleanup_util_cb);
+    OPENSSL_free(item);
+}
+
+/*
+ * Return the EX_CLASS_ITEM from the "ex_data" hash table that corresponds to
+ * a given class. Handles locking.
+ */
 static EX_CLASS_ITEM *def_get_class(int class_index)
-	{
-	EX_CLASS_ITEM d, *p, *gen;
-	EX_DATA_CHECK(return NULL;)
-	d.class_index = class_index;
-	CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
-	p = lh_EX_CLASS_ITEM_retrieve(ex_data, &d);
-	if(!p)
-		{
-		gen = OPENSSL_malloc(sizeof(EX_CLASS_ITEM));
-		if(gen)
-			{
-			gen->class_index = class_index;
-			gen->meth_num = 0;
-			gen->meth = sk_CRYPTO_EX_DATA_FUNCS_new_null();
-			if(!gen->meth)
-				OPENSSL_free(gen);
-			else
-				{
-				/* Because we're inside the ex_data lock, the
-				 * return value from the insert will be NULL */
-				(void)lh_EX_CLASS_ITEM_insert(ex_data, gen);
-				p = gen;
-				}
-			}
-		}
-	CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
-	if(!p)
-		CRYPTOerr(CRYPTO_F_DEF_GET_CLASS,ERR_R_MALLOC_FAILURE);
-	return p;
-	}
-
-/* Add a new method to the given EX_CLASS_ITEM and return the corresponding
- * index (or -1 for error). Handles locking. */
+{
+    EX_CLASS_ITEM d, *p, *gen;
+    EX_DATA_CHECK(return NULL;)
+        d.class_index = class_index;
+    CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
+    p = lh_EX_CLASS_ITEM_retrieve(ex_data, &d);
+    if (!p) {
+        gen = OPENSSL_malloc(sizeof(EX_CLASS_ITEM));
+        if (gen) {
+            gen->class_index = class_index;
+            gen->meth_num = 0;
+            gen->meth = sk_CRYPTO_EX_DATA_FUNCS_new_null();
+            if (!gen->meth)
+                OPENSSL_free(gen);
+            else {
+                /*
+                 * Because we're inside the ex_data lock, the return value
+                 * from the insert will be NULL
+                 */
+                (void)lh_EX_CLASS_ITEM_insert(ex_data, gen);
+                p = gen;
+            }
+        }
+    }
+    CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
+    if (!p)
+        CRYPTOerr(CRYPTO_F_DEF_GET_CLASS, ERR_R_MALLOC_FAILURE);
+    return p;
+}
+
+/*
+ * Add a new method to the given EX_CLASS_ITEM and return the corresponding
+ * index (or -1 for error). Handles locking.
+ */
 static int def_add_index(EX_CLASS_ITEM *item, long argl, void *argp,
-		CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
-		CRYPTO_EX_free *free_func)
-	{
-	int toret = -1;
-	CRYPTO_EX_DATA_FUNCS *a = (CRYPTO_EX_DATA_FUNCS *)OPENSSL_malloc(
-					sizeof(CRYPTO_EX_DATA_FUNCS));
-	if(!a)
-		{
-		CRYPTOerr(CRYPTO_F_DEF_ADD_INDEX,ERR_R_MALLOC_FAILURE);
-		return -1;
-		}
-	a->argl=argl;
-	a->argp=argp;
-	a->new_func=new_func;
-	a->dup_func=dup_func;
-	a->free_func=free_func;
-	CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
-	while (sk_CRYPTO_EX_DATA_FUNCS_num(item->meth) <= item->meth_num)
-		{
-		if (!sk_CRYPTO_EX_DATA_FUNCS_push(item->meth, NULL))
-			{
-			CRYPTOerr(CRYPTO_F_DEF_ADD_INDEX,ERR_R_MALLOC_FAILURE);
-			OPENSSL_free(a);
-			goto err;
-			}
-		}
-	toret = item->meth_num++;
-	(void)sk_CRYPTO_EX_DATA_FUNCS_set(item->meth, toret, a);
-err:
-	CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
-	return toret;
-	}
+                         CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
+                         CRYPTO_EX_free *free_func)
+{
+    int toret = -1;
+    CRYPTO_EX_DATA_FUNCS *a =
+        (CRYPTO_EX_DATA_FUNCS *)OPENSSL_malloc(sizeof(CRYPTO_EX_DATA_FUNCS));
+    if (!a) {
+        CRYPTOerr(CRYPTO_F_DEF_ADD_INDEX, ERR_R_MALLOC_FAILURE);
+        return -1;
+    }
+    a->argl = argl;
+    a->argp = argp;
+    a->new_func = new_func;
+    a->dup_func = dup_func;
+    a->free_func = free_func;
+    CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
+    while (sk_CRYPTO_EX_DATA_FUNCS_num(item->meth) <= item->meth_num) {
+        if (!sk_CRYPTO_EX_DATA_FUNCS_push(item->meth, NULL)) {
+            CRYPTOerr(CRYPTO_F_DEF_ADD_INDEX, ERR_R_MALLOC_FAILURE);
+            OPENSSL_free(a);
+            goto err;
+        }
+    }
+    toret = item->meth_num++;
+    (void)sk_CRYPTO_EX_DATA_FUNCS_set(item->meth, toret, a);
+ err:
+    CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
+    return toret;
+}
 
 /**************************************************************/
 /* The functions in the default CRYPTO_EX_DATA_IMPL structure */
 
 static int int_new_class(void)
-	{
-	int toret;
-	CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
-	toret = ex_class++;
-	CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
-	return toret;
-	}
+{
+    int toret;
+    CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
+    toret = ex_class++;
+    CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
+    return toret;
+}
 
 static void int_cleanup(void)
-	{
-	EX_DATA_CHECK(return;)
-	lh_EX_CLASS_ITEM_doall(ex_data, def_cleanup_cb);
-	lh_EX_CLASS_ITEM_free(ex_data);
-	ex_data = NULL;
-	impl = NULL;
-	}
+{
+    EX_DATA_CHECK(return;)
+        lh_EX_CLASS_ITEM_doall(ex_data, def_cleanup_cb);
+    lh_EX_CLASS_ITEM_free(ex_data);
+    ex_data = NULL;
+    impl = NULL;
+}
 
 static int int_get_new_index(int class_index, long argl, void *argp,
-		CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
-		CRYPTO_EX_free *free_func)
-	{
-	EX_CLASS_ITEM *item = def_get_class(class_index);
-	if(!item)
-		return -1;
-	return def_add_index(item, argl, argp, new_func, dup_func, free_func);
-	}
-
-/* Thread-safe by copying a class's array of "CRYPTO_EX_DATA_FUNCS" entries in
- * the lock, then using them outside the lock. NB: Thread-safety only applies to
- * the global "ex_data" state (ie. class definitions), not thread-safe on 'ad'
- * itself. */
-static int int_new_ex_data(int class_index, void *obj,
-		CRYPTO_EX_DATA *ad)
-	{
-	int mx,i;
-	void *ptr;
-	CRYPTO_EX_DATA_FUNCS **storage = NULL;
-	EX_CLASS_ITEM *item = def_get_class(class_index);
-	if(!item)
-		/* error is already set */
-		return 0;
-	ad->sk = NULL;
-	CRYPTO_r_lock(CRYPTO_LOCK_EX_DATA);
-	mx = sk_CRYPTO_EX_DATA_FUNCS_num(item->meth);
-	if(mx > 0)
-		{
-		storage = OPENSSL_malloc(mx * sizeof(CRYPTO_EX_DATA_FUNCS*));
-		if(!storage)
-			goto skip;
-		for(i = 0; i < mx; i++)
-			storage[i] = sk_CRYPTO_EX_DATA_FUNCS_value(item->meth,i);
-		}
-skip:
-	CRYPTO_r_unlock(CRYPTO_LOCK_EX_DATA);
-	if((mx > 0) && !storage)
-		{
-		CRYPTOerr(CRYPTO_F_INT_NEW_EX_DATA,ERR_R_MALLOC_FAILURE);
-		return 0;
-		}
-	for(i = 0; i < mx; i++)
-		{
-		if(storage[i] && storage[i]->new_func)
-			{
-			ptr = CRYPTO_get_ex_data(ad, i);
-			storage[i]->new_func(obj,ptr,ad,i,
-				storage[i]->argl,storage[i]->argp);
-			}
-		}
-	if(storage)
-		OPENSSL_free(storage);
-	return 1;
-	}
+                             CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
+                             CRYPTO_EX_free *free_func)
+{
+    EX_CLASS_ITEM *item = def_get_class(class_index);
+    if (!item)
+        return -1;
+    return def_add_index(item, argl, argp, new_func, dup_func, free_func);
+}
+
+/*
+ * Thread-safe by copying a class's array of "CRYPTO_EX_DATA_FUNCS" entries
+ * in the lock, then using them outside the lock. NB: Thread-safety only
+ * applies to the global "ex_data" state (ie. class definitions), not
+ * thread-safe on 'ad' itself.
+ */
+static int int_new_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad)
+{
+    int mx, i;
+    void *ptr;
+    CRYPTO_EX_DATA_FUNCS **storage = NULL;
+    EX_CLASS_ITEM *item = def_get_class(class_index);
+    if (!item)
+        /* error is already set */
+        return 0;
+    ad->sk = NULL;
+    CRYPTO_r_lock(CRYPTO_LOCK_EX_DATA);
+    mx = sk_CRYPTO_EX_DATA_FUNCS_num(item->meth);
+    if (mx > 0) {
+        storage = OPENSSL_malloc(mx * sizeof(CRYPTO_EX_DATA_FUNCS *));
+        if (!storage)
+            goto skip;
+        for (i = 0; i < mx; i++)
+            storage[i] = sk_CRYPTO_EX_DATA_FUNCS_value(item->meth, i);
+    }
+ skip:
+    CRYPTO_r_unlock(CRYPTO_LOCK_EX_DATA);
+    if ((mx > 0) && !storage) {
+        CRYPTOerr(CRYPTO_F_INT_NEW_EX_DATA, ERR_R_MALLOC_FAILURE);
+        return 0;
+    }
+    for (i = 0; i < mx; i++) {
+        if (storage[i] && storage[i]->new_func) {
+            ptr = CRYPTO_get_ex_data(ad, i);
+            storage[i]->new_func(obj, ptr, ad, i,
+                                 storage[i]->argl, storage[i]->argp);
+        }
+    }
+    if (storage)
+        OPENSSL_free(storage);
+    return 1;
+}
 
 /* Same thread-safety notes as for "int_new_ex_data" */
 static int int_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,
-		CRYPTO_EX_DATA *from)
-	{
-	int mx, j, i;
-	char *ptr;
-	CRYPTO_EX_DATA_FUNCS **storage = NULL;
-	EX_CLASS_ITEM *item;
-	if(!from->sk)
-		/* 'to' should be "blank" which *is* just like 'from' */
-		return 1;
-	if((item = def_get_class(class_index)) == NULL)
-		return 0;
-	CRYPTO_r_lock(CRYPTO_LOCK_EX_DATA);
-	mx = sk_CRYPTO_EX_DATA_FUNCS_num(item->meth);
-	j = sk_void_num(from->sk);
-	if(j < mx)
-		mx = j;
-	if(mx > 0)
-		{
-		storage = OPENSSL_malloc(mx * sizeof(CRYPTO_EX_DATA_FUNCS*));
-		if(!storage)
-			goto skip;
-		for(i = 0; i < mx; i++)
-			storage[i] = sk_CRYPTO_EX_DATA_FUNCS_value(item->meth,i);
-		}
-skip:
-	CRYPTO_r_unlock(CRYPTO_LOCK_EX_DATA);
-	if((mx > 0) && !storage)
-		{
-		CRYPTOerr(CRYPTO_F_INT_DUP_EX_DATA,ERR_R_MALLOC_FAILURE);
-		return 0;
-		}
-	for(i = 0; i < mx; i++)
-		{
-		ptr = CRYPTO_get_ex_data(from, i);
-		if(storage[i] && storage[i]->dup_func)
-			storage[i]->dup_func(to,from,&ptr,i,
-				storage[i]->argl,storage[i]->argp);
-		CRYPTO_set_ex_data(to,i,ptr);
-		}
-	if(storage)
-		OPENSSL_free(storage);
-	return 1;
-	}
+                           CRYPTO_EX_DATA *from)
+{
+    int mx, j, i;
+    char *ptr;
+    CRYPTO_EX_DATA_FUNCS **storage = NULL;
+    EX_CLASS_ITEM *item;
+    if (!from->sk)
+        /* 'to' should be "blank" which *is* just like 'from' */
+        return 1;
+    if ((item = def_get_class(class_index)) == NULL)
+        return 0;
+    CRYPTO_r_lock(CRYPTO_LOCK_EX_DATA);
+    mx = sk_CRYPTO_EX_DATA_FUNCS_num(item->meth);
+    j = sk_void_num(from->sk);
+    if (j < mx)
+        mx = j;
+    if (mx > 0) {
+        storage = OPENSSL_malloc(mx * sizeof(CRYPTO_EX_DATA_FUNCS *));
+        if (!storage)
+            goto skip;
+        for (i = 0; i < mx; i++)
+            storage[i] = sk_CRYPTO_EX_DATA_FUNCS_value(item->meth, i);
+    }
+ skip:
+    CRYPTO_r_unlock(CRYPTO_LOCK_EX_DATA);
+    if ((mx > 0) && !storage) {
+        CRYPTOerr(CRYPTO_F_INT_DUP_EX_DATA, ERR_R_MALLOC_FAILURE);
+        return 0;
+    }
+    for (i = 0; i < mx; i++) {
+        ptr = CRYPTO_get_ex_data(from, i);
+        if (storage[i] && storage[i]->dup_func)
+            storage[i]->dup_func(to, from, &ptr, i,
+                                 storage[i]->argl, storage[i]->argp);
+        CRYPTO_set_ex_data(to, i, ptr);
+    }
+    if (storage)
+        OPENSSL_free(storage);
+    return 1;
+}
 
 /* Same thread-safety notes as for "int_new_ex_data" */
-static void int_free_ex_data(int class_index, void *obj,
-		CRYPTO_EX_DATA *ad)
-	{
-	int mx,i;
-	EX_CLASS_ITEM *item;
-	void *ptr;
-	CRYPTO_EX_DATA_FUNCS **storage = NULL;
-	if((item = def_get_class(class_index)) == NULL)
-		return;
-	CRYPTO_r_lock(CRYPTO_LOCK_EX_DATA);
-	mx = sk_CRYPTO_EX_DATA_FUNCS_num(item->meth);
-	if(mx > 0)
-		{
-		storage = OPENSSL_malloc(mx * sizeof(CRYPTO_EX_DATA_FUNCS*));
-		if(!storage)
-			goto skip;
-		for(i = 0; i < mx; i++)
-			storage[i] = sk_CRYPTO_EX_DATA_FUNCS_value(item->meth,i);
-		}
-skip:
-	CRYPTO_r_unlock(CRYPTO_LOCK_EX_DATA);
-	if((mx > 0) && !storage)
-		{
-		CRYPTOerr(CRYPTO_F_INT_FREE_EX_DATA,ERR_R_MALLOC_FAILURE);
-		return;
-		}
-	for(i = 0; i < mx; i++)
-		{
-		if(storage[i] && storage[i]->free_func)
-			{
-			ptr = CRYPTO_get_ex_data(ad,i);
-			storage[i]->free_func(obj,ptr,ad,i,
-				storage[i]->argl,storage[i]->argp);
-			}
-		}
-	if(storage)
-		OPENSSL_free(storage);
-	if(ad->sk)
-		{
-		sk_void_free(ad->sk);
-		ad->sk=NULL;
-		}
-	}
+static void int_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad)
+{
+    int mx, i;
+    EX_CLASS_ITEM *item;
+    void *ptr;
+    CRYPTO_EX_DATA_FUNCS **storage = NULL;
+    if (ex_data == NULL)
+        return;
+    if ((item = def_get_class(class_index)) == NULL)
+        return;
+    CRYPTO_r_lock(CRYPTO_LOCK_EX_DATA);
+    mx = sk_CRYPTO_EX_DATA_FUNCS_num(item->meth);
+    if (mx > 0) {
+        storage = OPENSSL_malloc(mx * sizeof(CRYPTO_EX_DATA_FUNCS *));
+        if (!storage)
+            goto skip;
+        for (i = 0; i < mx; i++)
+            storage[i] = sk_CRYPTO_EX_DATA_FUNCS_value(item->meth, i);
+    }
+ skip:
+    CRYPTO_r_unlock(CRYPTO_LOCK_EX_DATA);
+    if ((mx > 0) && !storage) {
+        CRYPTOerr(CRYPTO_F_INT_FREE_EX_DATA, ERR_R_MALLOC_FAILURE);
+        return;
+    }
+    for (i = 0; i < mx; i++) {
+        if (storage[i] && storage[i]->free_func) {
+            ptr = CRYPTO_get_ex_data(ad, i);
+            storage[i]->free_func(obj, ptr, ad, i,
+                                  storage[i]->argl, storage[i]->argp);
+        }
+    }
+    if (storage)
+        OPENSSL_free(storage);
+    if (ad->sk) {
+        sk_void_free(ad->sk);
+        ad->sk = NULL;
+    }
+}
 
 /********************************************************************/
-/* API functions that defer all "state" operations to the "ex_data"
- * implementation we have set. */
+/*
+ * API functions that defer all "state" operations to the "ex_data"
+ * implementation we have set.
+ */
 
-/* Obtain an index for a new class (not the same as getting a new index within
- * an existing class - this is actually getting a new *class*) */
+/*
+ * Obtain an index for a new class (not the same as getting a new index
+ * within an existing class - this is actually getting a new *class*)
+ */
 int CRYPTO_ex_data_new_class(void)
-	{
-	IMPL_CHECK
-	return EX_IMPL(new_class)();
-	}
+{
+    IMPL_CHECK return EX_IMPL(new_class) ();
+}
 
-/* Release all "ex_data" state to prevent memory leaks. This can't be made
+/*
+ * Release all "ex_data" state to prevent memory leaks. This can't be made
  * thread-safe without overhauling a lot of stuff, and shouldn't really be
  * called under potential race-conditions anyway (it's for program shutdown
- * after all). */
+ * after all).
+ */
 void CRYPTO_cleanup_all_ex_data(void)
-	{
-	IMPL_CHECK
-	EX_IMPL(cleanup)();
-	}
+{
+    IMPL_CHECK EX_IMPL(cleanup) ();
+}
 
 /* Inside an existing class, get/register a new index. */
 int CRYPTO_get_ex_new_index(int class_index, long argl, void *argp,
-		CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
-		CRYPTO_EX_free *free_func)
-	{
-	int ret = -1;
-
-	IMPL_CHECK
-	ret = EX_IMPL(get_new_index)(class_index,
-			argl, argp, new_func, dup_func, free_func);
-	return ret;
-	}
-
-/* Initialise a new CRYPTO_EX_DATA for use in a particular class - including
- * calling new() callbacks for each index in the class used by this variable */
+                            CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
+                            CRYPTO_EX_free *free_func)
+{
+    int ret = -1;
+
+    IMPL_CHECK
+        ret = EX_IMPL(get_new_index) (class_index,
+                                      argl, argp, new_func, dup_func,
+                                      free_func);
+    return ret;
+}
+
+/*
+ * Initialise a new CRYPTO_EX_DATA for use in a particular class - including
+ * calling new() callbacks for each index in the class used by this variable
+ */
 int CRYPTO_new_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad)
-	{
-	IMPL_CHECK
-	return EX_IMPL(new_ex_data)(class_index, obj, ad);
-	}
+{
+    IMPL_CHECK return EX_IMPL(new_ex_data) (class_index, obj, ad);
+}
 
-/* Duplicate a CRYPTO_EX_DATA variable - including calling dup() callbacks for
- * each index in the class used by this variable */
+/*
+ * Duplicate a CRYPTO_EX_DATA variable - including calling dup() callbacks
+ * for each index in the class used by this variable
+ */
 int CRYPTO_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,
-	     CRYPTO_EX_DATA *from)
-	{
-	IMPL_CHECK
-	return EX_IMPL(dup_ex_data)(class_index, to, from);
-	}
-
-/* Cleanup a CRYPTO_EX_DATA variable - including calling free() callbacks for
- * each index in the class used by this variable */
+                       CRYPTO_EX_DATA *from)
+{
+    IMPL_CHECK return EX_IMPL(dup_ex_data) (class_index, to, from);
+}
+
+/*
+ * Cleanup a CRYPTO_EX_DATA variable - including calling free() callbacks for
+ * each index in the class used by this variable
+ */
 void CRYPTO_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad)
-	{
-	IMPL_CHECK
-	EX_IMPL(free_ex_data)(class_index, obj, ad);
-	}
+{
+    IMPL_CHECK EX_IMPL(free_ex_data) (class_index, obj, ad);
+}
 
-/* For a given CRYPTO_EX_DATA variable, set the value corresponding to a
- * particular index in the class used by this variable */
+/*
+ * For a given CRYPTO_EX_DATA variable, set the value corresponding to a
+ * particular index in the class used by this variable
+ */
 int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, void *val)
-	{
-	int i;
-
-	if (ad->sk == NULL)
-		{
-		if ((ad->sk=sk_void_new_null()) == NULL)
-			{
-			CRYPTOerr(CRYPTO_F_CRYPTO_SET_EX_DATA,ERR_R_MALLOC_FAILURE);
-			return(0);
-			}
-		}
-	i=sk_void_num(ad->sk);
-
-	while (i <= idx)
-		{
-		if (!sk_void_push(ad->sk,NULL))
-			{
-			CRYPTOerr(CRYPTO_F_CRYPTO_SET_EX_DATA,ERR_R_MALLOC_FAILURE);
-			return(0);
-			}
-		i++;
-		}
-	sk_void_set(ad->sk,idx,val);
-	return(1);
-	}
-
-/* For a given CRYPTO_EX_DATA_ variable, get the value corresponding to a
- * particular index in the class used by this variable */
+{
+    int i;
+
+    if (ad->sk == NULL) {
+        if ((ad->sk = sk_void_new_null()) == NULL) {
+            CRYPTOerr(CRYPTO_F_CRYPTO_SET_EX_DATA, ERR_R_MALLOC_FAILURE);
+            return (0);
+        }
+    }
+    i = sk_void_num(ad->sk);
+
+    while (i <= idx) {
+        if (!sk_void_push(ad->sk, NULL)) {
+            CRYPTOerr(CRYPTO_F_CRYPTO_SET_EX_DATA, ERR_R_MALLOC_FAILURE);
+            return (0);
+        }
+        i++;
+    }
+    sk_void_set(ad->sk, idx, val);
+    return (1);
+}
+
+/*
+ * For a given CRYPTO_EX_DATA_ variable, get the value corresponding to a
+ * particular index in the class used by this variable
+ */
 void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx)
-	{
-	if (ad->sk == NULL)
-		return(0);
-	else if (idx >= sk_void_num(ad->sk))
-		return(0);
-	else
-		return(sk_void_value(ad->sk,idx));
-	}
+{
+    if (ad->sk == NULL)
+        return (0);
+    else if (idx >= sk_void_num(ad->sk))
+        return (0);
+    else
+        return (sk_void_value(ad->sk, idx));
+}
 
 IMPLEMENT_STACK_OF(CRYPTO_EX_DATA_FUNCS)